CN211524424U

CN211524424U - Meshing transmission civil air defense door lock

Info

Publication number: CN211524424U
Application number: CN201922251824.7U
Authority: CN
Inventors: 高建
Original assignee: Qingdao Mucheng Building Materials Co ltd
Current assignee: Qingdao Mucheng Building Materials Co ltd
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-09-18
Anticipated expiration: 2029-12-16

Abstract

The utility model belongs to the technical field of civil air defense equipment, in particular to a meshing transmission civil air defense door lock, which comprises a shell and a supporting plate, wherein the inner wall of the shell is fixedly connected with a first bearing; the utility model discloses, through setting up the motor, under the circumstances that the circuit is not damaged, but the starter motor drives the second pivot and rotates, the second pivot is rotated and is driven electronic bevel gear rotation, electronic bevel gear drives driven gear rotation, make first pivot rotate and drive the screw thread post and rotate, make the screw thread section of thick bamboo stretch out, the screw thread section of thick bamboo promotes the bolt, make the spring bolt stretch out, it is simple to use convenience more, use manpower sparingly, through setting up the carousel, third pivot and manual bevel gear, make people when the motor does not switch on, the accessible rotates the carousel, make manual bevel gear drive driven bevel gear rotation, control the door bolt, effectively avoided still can controlling the lock under special circumstances, and is more practical, and more convenient.

Description

Meshing transmission civil air defense door lock

Technical Field

The utility model belongs to the technical field of the civil air defense equipment, concretely relates to meshing transmission civil air defense door lock.

Background

In many civil air defense projects, a civil air defense door is needed to prevent mismeasurement, for example, in the subway projects which are operated under hot fire all over the country at present, the civil air defense door is very thick and heavy, and bears huge pressure when being impacted, especially, the hinge and the bolt bear larger pressure, the general situation adopts devices such as electric hydraulic pressure to drive, however, the civil air defense project needs to consider the situation of losing power in war, so that the civil air defense project needs to use manpower to open and close in addition to mechanical hydraulic drive, but the traditional rotating shaft drives the transmission gear to enable the latch to generate linear motion action, the handle is required to rotate for many times to open and close when the latch is opened and closed in a mode of driving the rotating shaft by the handle, the operation can be carried out by using very large force, and the latch is easily blocked and the normal use is influenced by underground humid environment or dust.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a meshing transmission people's air defense door lock has convenient to use, simple structure's characteristics.

In order to achieve the above object, the utility model provides a following technical scheme: a meshing transmission civil air defense door lock comprises a shell and a support plate, wherein a first bearing is fixedly connected to the inner wall of the shell, a first rotating shaft penetrates through the first bearing, a driven bevel gear is sleeved on the surface of the first rotating shaft, a threaded column is fixedly connected to the other end of the first rotating shaft, a threaded cylinder is in threaded connection with the surface of the threaded column, a fixing frame is fixedly connected to the inner wall of the shell, a motor is fixedly connected to the fixing frame, a second rotating shaft is fixedly connected to an output shaft of the motor, an electric bevel gear is fixedly connected to one end of the second rotating shaft, the driven bevel gear is meshed with the electric bevel gear, a round hole is formed in the surface of the shell, a second bearing is fixedly connected to the inside of the round hole, a third rotating shaft penetrates through the second bearing, and a manual bevel gear is fixedly connected to one end of the third rotating shaft, the driven bevel gear meshes with manual bevel gear mutually, the other end fixedly connected with carousel of third pivot, the fixed surface of backup pad is connected with the fixed plate, the quantity of fixed plate is two, two the spout has all been seted up to the opposite face of fixed plate, two equal swing joint has the slide in the spout, the same latch of opposite face fixedly connected with of two slides, the other end fixed connection of a screw thread section of thick bamboo is on the latch, the through-hole has been seted up on the casing, the latch passes through-hole fixedly connected with spring bolt.

Preferably, threaded holes are formed in the inner wall of the shell and the surface of the supporting plate, and bolts are connected to the threaded holes in an internal thread mode.

Preferably, the surfaces of the electric bevel gear and the manual bevel gear are both provided with half-face teeth.

Preferably, the through hole is provided at a position corresponding to the position of the door latch.

Preferably, the fixing plate, the sliding plate, the bolt and the bolt are made of stainless steel with high hardness.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses, through setting up the motor, under the circumstances that the circuit is not damaged, but the starter motor drives the second pivot and rotates, the second pivot is rotated and is driven electronic bevel gear rotation, electronic bevel gear drives driven gear rotation, make first pivot rotate and drive the screw thread post and rotate, make the screw thread section of thick bamboo stretch out, the screw thread section of thick bamboo promotes the bolt, make the spring bolt stretch out, it is simple to use convenience more, use manpower sparingly, through setting up the carousel, third pivot and manual bevel gear, make people when the motor does not switch on, the accessible rotates the carousel, make manual bevel gear drive driven bevel gear rotation, control the door bolt, effectively avoided still can controlling the lock under special circumstances, and is more practical, and more convenient.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of a front view section of the present invention;

FIG. 2 is a schematic structural view of the support plate of the present invention;

in the figure: 1. a housing; 2. a first bearing; 3. a first rotating shaft; 4. a driven bevel gear; 5. a threaded post; 6. a threaded barrel; 7. a fixed mount; 8. a motor; 9. a second rotating shaft; 10. an electric bevel gear; 11. a second bearing; 12. a third rotating shaft; 13. a turntable; 14. a manual bevel gear; 15. a support plate; 16. a fixing plate; 17. a chute; 18. a slide plate; 19. a latch; 20. a through hole; 21. a latch bolt; 22. a bolt; 23. a threaded bore.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-2, the present invention provides the following technical solutions: a meshing transmission civil air defense door lock comprises a shell 1 and a supporting plate 15, wherein a first bearing 2 is fixedly connected to the inner wall of the shell 1, a first rotating shaft 3 penetrates through the first bearing 2, a driven bevel gear 4 is sleeved on the surface of the first rotating shaft 3, a threaded column 5 is fixedly connected to the other end of the first rotating shaft 3, a threaded cylinder 6 is connected to the surface of the threaded column 5 in a threaded manner, a fixing frame 7 is fixedly connected to the inner wall of the shell 1, a motor 8 is fixedly connected to the fixing frame 7, a second rotating shaft 9 is fixedly connected to the output shaft of the motor 8, an electric bevel gear 10 is fixedly connected to one end of the second rotating shaft 9, the driven bevel gear 4 is meshed with the electric bevel gear 10, a round hole is formed in the surface of the shell 1, a second bearing 11 is fixedly connected to the inside of the round hole, a third rotating shaft 12 penetrates through the second bearing 11, one end of the third rotating shaft 12 is fixedly connected with a manual bevel gear 14, the driven bevel gear 4 is meshed with the manual bevel gear 14, the other end of the third rotating shaft 12 is fixedly connected with a rotating disc 13, the surface of the supporting plate 15 is fixedly connected with a fixing plate 16, the number of the fixing plates 16 is two, two opposite surfaces of the two fixing plates 16 are respectively provided with a sliding groove 17, sliding plates 18 are movably connected in the two sliding grooves 17, the opposite surfaces of the two sliding plates 18 are fixedly connected with a same latch 19, the other end of the threaded cylinder 6 is fixedly connected to the latch 19, the shell 1 is provided with a through hole 20, the latch 19 penetrates through the through hole 20 and is fixedly connected with a latch bolt 21, through the arrangement of the motor 8, the motor 8 can be started to drive the second rotating shaft 9 to rotate under the condition that a circuit is not damaged, the second rotating shaft 9, electronic bevel gear 10 drives driven gear and rotates, make first pivot 3 rotate and drive threaded post 5 and rotate, make a screw thread section of thick bamboo 6 stretch out, a screw thread section of thick bamboo 6 promotes bolt 19, make spring bolt 21 stretch out, it is simple to use more convenient, use manpower sparingly, through setting up carousel 13, third pivot 12 and manual bevel gear 14, make people when motor 8 does not switch on, the accessible rotates carousel 13, make manual bevel gear 14 drive driven bevel gear 4 and rotate, control bolt 19, effectively avoided still can controlling the lock under special circumstances, and is more practical, and more convenient.

Specifically, threaded holes 23 are formed in the inner wall of the shell 1 and the surface of the supporting plate 15, and bolts 22 are connected to the threaded holes 23 in an internal thread mode, so that the supporting plate 15 is convenient to fix and detach.

Specifically, the surfaces of the electric bevel gear 10 and the manual bevel gear 14 are provided with half-face teeth, so that when the manual bevel gear rotates, the driven bevel gear is separated from the electric bevel gear, labor is saved, and the motor is prevented from being damaged.

Specifically, the through hole 20 is opened at a position corresponding to the position of the latch 19.

Specifically, the fixing plate 16, the sliding plate 18, the bolt 19 and the lock tongue 21 are made of stainless steel with high hardness, so that the safety of the civil air defense door is higher.

The utility model discloses a theory of operation and use flow: the utility model discloses, when using, motor 8 is under the circumstances of circular telegram, but starting motor 8 drives second pivot 9 and rotates, second pivot 9 rotates and drives electronic bevel gear 10 and rotate, electronic bevel gear 10 drives driven gear and rotates, make first pivot 3 rotate and drive screw thread post 5 and rotate, make screw thread section of thick bamboo 6 stretch out, screw thread section of thick bamboo 6 promotes bolt 19, make spring bolt 21 stretch out, lock the people's air defense door, when motor 8 does not switch on, also accessible rotate carousel 13, make manual bevel gear 14 drive passive bevel gear 4 and rotate, control door bolt 19, the realization is to opening and closing of people's air defense door.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an engagement transmission people's air defense door lock, includes casing (1) and backup pad (15), its characterized in that: a first bearing (2) is fixedly connected to the inner wall of the shell (1), a first rotating shaft (3) penetrates through the first bearing (2), a driven bevel gear (4) is sleeved on the surface of the first rotating shaft (3), a threaded column (5) is fixedly connected to the other end of the first rotating shaft (3), a threaded cylinder (6) is connected to the surface of the threaded column (5) in a threaded manner, a fixing frame (7) is fixedly connected to the inner wall of the shell (1), a motor (8) is fixedly connected to the fixing frame (7), a second rotating shaft (9) is fixedly connected to an output shaft of the motor (8), an electric bevel gear (10) is fixedly connected to one end of the second rotating shaft (9), the driven bevel gear (4) is meshed with the electric bevel gear (10), a round hole is formed in the surface of the shell (1), and a second bearing (11) is fixedly connected to the inside of the round hole, a third rotating shaft (12) penetrates through the second bearing (11), one end of the third rotating shaft (12) is fixedly connected with a manual bevel gear (14), the driven conical gear (4) is meshed with a manual conical gear (14), the other end of the third rotating shaft (12) is fixedly connected with a rotating disc (13), the surface of the supporting plate (15) is fixedly connected with two fixing plates (16), the number of the fixing plates (16) is two, the opposite surfaces of the two fixing plates (16) are respectively provided with a sliding chute (17), the two sliding chutes (17) are respectively and movably connected with a sliding plate (18), the opposite surfaces of the two sliding plates (18) are fixedly connected with a same bolt (19), the other end of the threaded cylinder (6) is fixedly connected to a bolt (19), a through hole (20) is formed in the shell (1), the bolt (19) penetrates through the through hole (20) and is fixedly connected with a bolt (21).

2. The engagement transmission civil air defense door lock according to claim 1, characterized in that: threaded holes (23) are formed in the inner wall of the shell (1) and the surface of the supporting plate (15), and bolts (22) are connected to the threaded holes (23) in an internal thread mode.

3. The engagement transmission civil air defense door lock according to claim 1, characterized in that: the surfaces of the electric bevel gear (10) and the manual bevel gear (14) are provided with half-surface teeth.

4. The engagement transmission civil air defense door lock according to claim 1, characterized in that: the position of the through hole (20) corresponds to the position of a bolt (19).

5. The engagement transmission civil air defense door lock according to claim 1, characterized in that: the fixing plate (16), the sliding plate (18), the bolt (19) and the bolt (21) are made of stainless steel with high hardness.