AUTOMATICALLY LOCKED RETRACTABLE PROTECTIVE DOOR SILL

Abstract

The present discloses an automatically locked retractable protective door sill, including a retractable curtain assembly, a scroll assembly, an upper fixing base and a lower fixing base, a dial mechanism and a locking mechanism are arranged in the upper fixing base, the locking mechanism includes a hydraulic rod capable of retracting at a fixed time, and the hydraulic rod is connected to the dial mechanism; the sliding base is connected to the hydraulic rod, and the hydraulic rod drives the sliding base and drives the linkage base to reset automatically, so the automatic locking of the locking mechanism is achieved, and then the scroll assembly is locked. The whole device has a simpler structure and more convenient operation, the dial button may be manually pushed to return for locking after not reaching the set time, so as to prevent children opening the door sill during an automatic locking process.

Claims

1. An automatically locked retractable protective door sill comprises a retractable curtain assembly (15), a scroll assembly (14), an upper fixing base (1) and a lower fixing base (13), the upper fixing base (1) and the lower fixing base (13) are respectively assembled at the upper and lower ends of the scroll assembly (14), and the retractable curtain assembly (15) is connected to the scroll assembly (14) and wound by the scroll assembly (14); a dial mechanism (17) and a locking mechanism (18) are arranged in the upper fixing base (1), and the scroll assembly (14) is connected to the locking mechanism (18); the locking mechanism (18) comprises a hydraulic rod (6) capable of retracting at a fixed time, the hydraulic rod (6) is connected to the dial mechanism (17), wherein the dial mechanism (17) comprises a dial button (2), a sliding base (4) and a linkage base (7), the dial button (2) is exposed outside a shell (11) of the upper fixing base (1), the sliding base (4) and the linkage base (7) are mounted in the shell (11), the linkage base (7) is docked with the locking mechanism (18), the dial button (2) penetrates through the sliding base (4) and is connected to the linkage base (7), and the dial button (2) pushes the linkage base (7) to move so that the locking mechanism (18) locks or unlocks the scroll assembly (14); and the sliding base (4) is connected to the hydraulic rod (6), and the hydraulic rod (6) drives the sliding base (4) and drives the linkage base (7) to reset automatically, so the automatic locking of the locking mechanism (18) is achieved.

2. The automatically locked retractable protective door sill according to claim 1, wherein a gear bearing assembly (9) is arranged in the upper fixing base (1), and the gear bearing assembly (9) is assembled with the scroll assembly (14) to rotate along the scroll assembly (14); and the locking mechanism (18) comprises a locking member (8), which is docked with the gear bearing assembly (9), and a gear (91) of the gear bearing assembly (9) is locked by the locking member (8) so as to achieve locking the scroll assembly (14).

3. The automatically locked retractable protective door sill according to claim 2, wherein the linkage base (7) is provided with a linkage arm (71), which is docked with the locking member (8), when the linkage base (7) moves, the locking member (8) is pushed through the linkage arm (71) to break away from the gear bearing assembly (9).

4. The automatically locked retractable protective door sill according to claim 3, wherein a mounting base (5) is mounted in the shell (11) of the upper fixing base (1), a first mounting groove (51) and a threading hole (53) are formed in the mounting base (5), and the hydraulic rod (6) is mounted in the first mounting groove (51); the sliding base (4) is located on the mounting base (5), a sliding hole (41) is formed in the sliding base (4), and the sliding hole (41) is opposite to the threading hole (53) up and down; and a dial groove (16) is arranged on the shell (11), the dial button (2) is arranged in the dial groove (16), and a dial rod (21) of the dial button (2) is downwards, successively penetrates through the sliding hole (41) and the threading hole (53), and is fixedly connected to the linkage base (7).

5. The automatically locked retractable protective door sill according to claim 4, wherein a dial button base (3) is arranged on the sliding base (4), the dial button (2) is mounted on the dial button base (3) by a reset spring (19).

6. The automatically locked retractable protective door sill according to claim 4, wherein a second mounting groove (52) is also arranged on the mounting base (5), and a tension spring (10) is arranged in the second mounting groove (52); and one end of the tension spring (10) is fixed on the mounting base (5), and the other end is fixedly connected to the sliding base (4), so as to assist the reset of the sliding base (4).

7. The automatically locked retractable protective door sill according to claim 6, wherein the first mounting groove (51) and the second mounting groove (52) are arranged at the two sides of the threading hole (53) in parallel, two fixing columns (42) are arranged at the bottom of the sliding base (4), the two fixing columns (42) are respectively inserted into the first mounting groove (51) and the second mounting groove (52), and the hydraulic rod (6) and the tension spring (10) are fixedly connected to one fixing column (42) in respective.

8. The automatically locked retractable protective door sill according to claim 3, wherein the locking member (8) is mounted in the shell (11) of the upper fixing base (1) through a torsional spring (12), and the locking member (8) is pushed to reset by the twisting force of the torsional spring (12).

Description

BRIEF DESCRIPTION OF THE DRAWINGS

[0014] FIG. 1 is an overall structure diagram of the present disclosure.

[0015] FIG. 2 is a using state diagram of a retractable curtain assembly after being pulled out in the present disclosure.

[0016] FIG. 3 is an internal structure diagram of an upper fixing base.

[0017] FIG. 4 is a second internal structure diagram of an upper fixing base.

[0018] FIG. 5 is a third internal structure diagram of an upper fixing base.

[0019] FIG. 6 is a fourth internal structure diagram of an upper fixing base.

[0020] FIG. 7 is a fifth internal structure diagram of an upper fixing base.

[0021] In the figure: 1-upper fixing base, 2-dial button, 21-dial rod, 3-dial button base, 4-sliding base, 41-sliding hole, 42-fixing column, 5-mounting base, 51-first mounting groove, 52-second mounting groove, 53-threading hole, 6-hydraulic rod, 7-linkage base, 71-linkage arm, 8-locking member, 9-gear bearing assembly, 91-gear, 10-tension spring, 11-shell, 12-torsional spring, 13-lower fixing base, 14-scroll assembly, 15-retractable curtain assembly, 16-dial groove, 17-dial mechanism, 18-locking mechanism, 19-reset spring.

DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] In this embodiment, referring to FIG. 1-FIG. 7, the automatically locked retractable protective door sill includes a retractable curtain assembly 15, a scroll assembly 14, an upper fixing base 1 and a lower fixing base 13, the upper fixing base 1 and the lower fixing base 13 are respectively assembled at the upper and lower ends of the scroll assembly 14, and the retractable curtain assembly 15 is connected to the scroll assembly 14 and wound by the scroll assembly 14. A dial mechanism 17 and a locking mechanism 18 are arranged in the upper fixing base 1, and the scroll assembly 14 is connected to the locking mechanism 18; the locking mechanism 18 includes a hydraulic rod 6 capable of retracting at a fixed time, and the hydraulic rod 6 is connected to the dial mechanism 17; the dial mechanism 17 includes a dial button 2, a sliding base 4 and a linkage base 7, the dial button 2 is exposed outside a shell 11 of the upper fixing base 1, the sliding base 4 and the linkage base 7 are mounted in the shell 11, the linkage base 7 is docked with the locking mechanism 18, the dial button 2 penetrates through the sliding base 4 and is connected to the linkage base 7, and the dial button 2 pushes the linkage base 7 to move so that the locking mechanism 18 locks or unlocks the scroll assembly 14; and the sliding base 4 is connected to the hydraulic rod 6, and the hydraulic rod 6 drives the sliding base 4 and drives the linkage base 7 to reset automatically, so the automatic locking of the locking mechanism 18 is achieved.

[0023] A gear bearing assembly 9 is arranged in the upper fixing base 1, and the gear bearing assembly 9 is assembled with the scroll assembly 14 to rotate along the scroll assembly 14; and the locking mechanism 18 includes a locking member 8, which is docked with the gear bearing assembly 9, and a gear 91 of the gear bearing assembly 9 is locked by the locking member 8 so as to achieve locking the scroll assembly 14. Certainly, this is the prior art.

[0024] The linkage base 7 is provided with a linkage arm 71, which is docked with the locking member 8. When the linkage base 7 moves, the locking member 8 is pushed through the linkage arm 71 to break away from the gear bearing assembly 9. At this time, the gear bearing assembly 9 may rotate, and the retractable curtain may be pulled out and retracted.

[0025] A mounting base 5 is mounted in the shell 11 of the upper fixing base 1, a first mounting groove 51 and a threading hole 53 are formed in the mounting base 5, and the hydraulic rod 6 is mounted in the first mounting groove 51; the sliding base 4 is located on the mounting base 5, a sliding hole 41 is formed in the sliding base 4, and the sliding hole 41 is opposite to the threading hole 53 up and down; and a dial groove 16 is arranged on the shell 11, the dial button 2 is arranged in the dial groove 16 and capable of being dialed in the dial groove 16, and a dial rod 21 of the dial button 2 is downwards, successively penetrates through the sliding hole 41 and the threading hole 53, and is fixedly connected to the linkage base 7.

[0026] A dial button base 3 is arranged on the sliding base 4, the dial button 2 is mounted on the dial button base 3 by a reset spring 19, and the dial button 2 pops up by the reset spring 19.

[0027] A second mounting groove 52 is also arranged on the mounting base 5, and a tension spring 10 is arranged in the second mounting groove 52; and one end of the tension spring 10 is fixed on the mounting base 5, and the other end is fixedly connected to the sliding base 4, so as to assist, the reset of the sliding base 4. By selecting the tension spring 10 with different elastic force to cooperate with the hydraulic rod 6, the different reset time of the dial button 2 may be set, such as 10s, 15s, etc. The dial button 2 returns to an original position at a fixed time after loosening the retractable curtain, such as 15s, the dial rod 21 pushes the linkage base 7 to reset, the linkage base 7 is buckled with the gear 91 when the linkage arm 72 pushes the tooth of the locking member 8, at this time the gear bearing assembly 9 and the scroll assembly 14 are locked, and the retractable curtain may not be pulled out or retracted.

[0028] The first mounting groove 51 and the second mounting groove 52 are arranged at the two sides of the threading hole 53 in parallel, two fixing columns 42 are arranged at the bottom of the sliding base 4, the two fixing columns 42 are respectively inserted into the first mounting groove 51 and the second mounting groove 52, and the hydraulic rod 6 and the tension spring 10 are fixedly connected to one fixing column 42 in respective.

[0029] The locking member 8 is mounted in the shell 11 of the upper fixing base 1 through the torsional spring 12, and the locking member 8 is pushed to reset by the twisting force of the torsional spring 12, so as to lock the gear 91. This is also the prior art.

[0030] The present disclosure has been described in detail above. The above mentioned is merely a preferred embodiment of the present disclosure. When the scope of the present disclosure cannot be limited, namely, equal change and modification made within the scope of this application shall fall in the scope of the present disclosure.