CN217812854U

CN217812854U - Civil air defense door locking device

Info

Publication number: CN217812854U
Application number: CN202221287335.2U
Authority: CN
Inventors: 王征兰; 张晓展
Original assignee: Zhejiang Gewei Civil Air Defense Equipment Co ltd
Current assignee: Zhejiang Gewei Civil Air Defense Equipment Co ltd
Priority date: 2022-05-23
Filing date: 2022-05-23
Publication date: 2022-11-15
Anticipated expiration: 2032-05-23

Abstract

The utility model relates to a technical field of people's air defense door discloses a people's air defense door locking device, and it is including setting up in the fixed cover of door handle pivot and setting up in the locking mechanical system of door leaf, fixed cover AND gate is the synchronous linkage of pivot, locking mechanical system sets up the locking axle in the mounting ring including fixed collar and the slip of setting in the door leaf, set up the locking groove that supplies the locking axle to slide to stretch into on the lateral wall of fixed cover, it is provided with the carriage release lever that is used for driving locking axle immigration or shifts out the locking groove to slide in the door leaf. This application has the effect that the door leaf is difficult by the mistake and opens.

Description

Civil air defense door locking device

Technical Field

The application relates to the technical field of civil air defense doors, in particular to a locking device of a civil air defense door.

Background

The underground protection project is an underground protection building which is independently built for guaranteeing the concealment of war personnel and materials, civil air defense command and medical aid, and a civil air defense door is often arranged at an entrance and an exit of the underground protection building so as to separate and block the underground protection project through the civil air defense door. The civil air defense door generally comprises a door frame and a door leaf, wherein a handle is arranged on the door leaf and used for an operator to control the opening and closing of the door leaf.

In the related art, as shown in fig. 1, a civil air defense door handle is disclosed, which comprises a door handle rotating shaft 2 and handle bodies 3 fixed at two ends of the door handle rotating shaft 2, wherein the civil air defense door handle is assembled on a door leaf when in use, and the handle bodies 3 are respectively arranged at two sides of the door leaf.

For stability when improving the door leaf and closing, generally can connect the lock in the door knob pivot, this lock sets up in the spring bolt of door leaf including sliding, offers on the door frame and supplies the lockhole that the spring bolt was inserted. When the handle body rotates, the lock tongue can move into or out of the lock hole under the driving of the handle body, so that the door leaf is locked or unlocked.

However, since the handle body in the related art is generally exposed from the door leaf and is not positioned, the door leaf is mistakenly opened due to the easy rotation of the handle body when a child plays, and thus needs to be improved.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the door leaf is easily opened by mistake, the application provides a civil air defense door locking device.

The application provides a people's air defense door locking device adopts following technical scheme:

the utility model provides a people's air defense door locking device, is including setting up in the fixed cover of door handle pivot and setting up in the locking mechanical system of door leaf, fixed cover AND gate is the synchronous linkage of pivot, locking mechanical system is including fixed collar that sets up in the door leaf and the locking axle of sliding the setting in the collar, set up the locking groove that supplies the locking axle to slide to stretch into on the lateral wall of fixed cover, it is provided with the carriage release lever that is used for driving locking axle immigration or shifts out the locking groove to slide in the door leaf.

Through adopting above-mentioned technical scheme, when the carriage release lever drive locking axle immigration locking groove, fixed cover receives the spacing unable rotation of locking axle, because fixed cover AND gate is the pivot linkage, then door is also unable rotation, the spring bolt is difficult to the activity of pivot and handle body. When assembling locking device, operating personnel can set up the position that locking axle and locking groove align to the state when closing with the door leaf and correspond for the locking axle can be fixed a position at the position that the door leaf closed with fixed cover, thereby improves the stability when the door leaf is closed, so that the door leaf is difficult to be opened by the mistake. When the door leaf is opened, an operator needs to drive the locking shaft to move out of the locking groove by utilizing the moving rod firstly to relieve the limitation of the locking shaft on the fixed sleeve, and then synchronously rotates the handle body, so that the lock tongue can be controlled by the handle body to move out of the locking hole, and the door leaf is opened.

Optionally, the locking mechanism further includes a positioning column detachably connected in the mounting ring, and the locking shaft is slidably disposed on the positioning column.

Through adopting above-mentioned technical scheme, can with the reference column rather than collar direct contact when the locking axle activity, cause the wearing and tearing back at the locking axle to the reference column, the reference column can be torn open alone and trade, replacement cost is low, locking mechanical system's long service life.

Optionally, a movable groove is formed in the side face, close to the fixed sleeve, of the positioning column, the locking shaft is arranged in the movable groove in a sliding mode, a positioning spring is arranged between the groove wall of the movable groove and the locking shaft, and the positioning spring is used for driving the locking shaft to extend out of the positioning column.

Through adopting above-mentioned technical scheme, positioning spring can produce the effort that the drive locking axle stretches out the reference column, helps improving the grafting stability of locking axle and locking groove to improve the spacing effect of locking axle to fixed cover.

Optionally, a sliding block is arranged on the side wall of the locking shaft, a sliding groove in sliding fit with the sliding block is formed in the groove wall of the movable groove, and the extending direction of the sliding groove is parallel to the extending direction of the movable groove.

Through adopting above-mentioned technical scheme, slider and spout cooperation play the spacing effect of direction when the locking axle removes, help improving the mobility stability of locking axle.

Optionally, an elastic clamping block is arranged on the side surface of the sliding block, which is far away from the locking shaft, and a first clamping groove in clamping fit with the clamping block is formed in one end, close to the fixed sleeve, of the groove wall of the sliding groove; when the clamping block is embedded into the first clamping groove, the locking shaft extends out of the positioning column.

Through adopting above-mentioned technical scheme, when fixture block and first draw-in groove joint, the locking axle can be further fixed a position in the state of stretching into the locking groove to further improve the stability and the spacing effect of locking axle.

Optionally, a second clamping groove in clamping fit with the clamping block is formed in one end, away from the fixed sleeve, of the groove wall of the sliding groove, and when the clamping block is embedded into the second clamping groove, the locking shaft does not exceed the positioning column.

Through adopting above-mentioned technical scheme, when fixture block and second draw-in groove joint, the locking axle is in the state that shifts out the locking groove, and the joint power between fixture block and the second draw-in groove can offset the elasticity that part location spring produced because of compression deformation this moment for it is more laborsaving when the subsequent handle body that rotates of operating personnel.

Optionally, a yielding hole for the moving rod to penetrate through in a sliding manner is formed in the side wall of the door leaf, the extending direction of the yielding hole is parallel to the moving direction of the locking shaft, notches for communicating the yielding hole with the movable groove are formed in the side walls of the mounting ring and the positioning column, the moving groove is formed in the side wall of the locking shaft, and the moving rod penetrates through the notches and is in interference fit with the moving groove.

Through adopting above-mentioned technical scheme, when opening and close the door leaf, operating personnel accessible carriage release lever moves convenient operation at door leaf external control locking shaft. The movable rod is detachably arranged on the locking shaft, so that an operator can firstly detach the movable rod before replacing the positioning column, and the movable rod is prevented from influencing the movement of the positioning column out of the mounting ring. In addition, the moving rod is detachably connected with the locking shaft in an inserting mode, and the moving rod is convenient to disassemble and assemble.

Optionally, the positioning column includes a connecting portion and a positioning portion, which are integrally formed, the connecting portion is located on one side of the positioning portion away from the fixing sleeve, and the diameter of the connecting portion is greater than that of the positioning portion; the door leaf positioning device is characterized in that a connecting groove for the connecting portion to extend into and a positioning groove for the positioning portion to extend into are formed in the mounting ring, the connecting groove is communicated with one side end face of the door leaf, external threads are arranged on the circumferential side wall of the connecting portion, and internal threads matched with the external threads are arranged on the groove wall of the connecting groove.

Through adopting above-mentioned technical scheme, the reference column passes through screw-thread fit's mode to be connected on the collar, and joint strength between them is high, stability is good.

Optionally, the side surface of the connecting part, which is far away from the positioning part, is provided with an inner hexagonal groove.

Through adopting above-mentioned technical scheme, hexagonal socket recess can supply to stretch into with the screwdriver of its adaptation to operating personnel utilizes screwdriver rotating reference column, thereby realizes the dismouting of reference column.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the door leaf is closed, the movable rod can be used for driving the locking shaft to move into the locking groove so as to position the fixing sleeve in a state that the door leaf is closed, at the moment, the rotating shaft of the door handle and the handle body cannot rotate, the door leaf is not easy to be opened by mistake, and the stability is high;

2. the positioning spring is used for driving the locking shaft to extend out of the positioning column, so that the insertion stability of the locking shaft and the locking groove is improved; the clamping block is matched with the first clamping groove, so that the effect of further improving the stability of the locking shaft is achieved;

3. the positioning column is detachably arranged in the mounting ring in a threaded matching mode, and has the effects of high connection strength and convenience in disassembly and assembly.

Drawings

Fig. 1 is a schematic structural view of a civil air defense door handle in the related art.

Fig. 2 is a schematic structural view of the door leaf in the embodiment of the present application.

Fig. 3 is a schematic structural diagram of the embodiment of the application and a civil air defense door handle.

Fig. 4 is a schematic cross-sectional view of an embodiment of the present application.

Fig. 5 is an exploded schematic view of an embodiment of the present application.

Description of reference numerals:

1. a door leaf; 11. a hole of abdication; 2. a door handle spindle; 3. a handle body; 4. fixing a sleeve; 41. a locking groove; 5. a locking mechanism; 51. a mounting ring; 511. connecting grooves; 512. positioning a groove; 513. an internal thread; 52. a positioning column; 521. a connecting portion; 522. a positioning part; 523. an external thread; 524. a movable groove; 525. a positioning spring; 526. a chute; 527. a first card slot; 528. a second card slot; 53. a locking shaft; 531. a slider; 532. a clamping block; 533. a moving groove; 6. a notch; 7. a travel bar; 8. and an inner hexagonal groove.

Detailed Description

The present application is described in further detail below with reference to figures 2-5.

The embodiment of the application discloses people's air defense door locking device is applied to in the door leaf 1 of people's air defense door. Referring to fig. 2 and 3, a civil air defense door handle is installed in a door leaf 1, the handle comprises a door handle rotating shaft 2 and handle bodies 3 fixed at two ends of the door handle rotating shaft 2, and the two handle bodies 3 are respectively arranged at two sides of the door leaf 1 and used for driving a bolt installed on the door leaf 1 to move so as to control the opening and closing of the civil air defense door. The civil air defense door locking device comprises a fixed sleeve 4 fixedly arranged on the outer side of the door handle rotating shaft 2 and a locking mechanism 5 arranged in the door leaf 1, wherein the locking mechanism 5 is used for locking or unlocking the fixed sleeve 4, and then the door handle rotating shaft 2 synchronously linked with the fixed sleeve 4 is locked or unlocked.

Referring to fig. 3 and 4, the locking mechanism 5 includes a mounting ring 51 fixedly disposed in the door leaf 1, a positioning post 52 detachably disposed in the mounting ring 51, and a locking shaft 53 slidably disposed in the mounting ring 51, and a locking groove 41 for the locking shaft 53 to slidably extend into is opened on a circumferential side wall of the fixing sleeve 4. When the locking mechanism 5 is installed on the door leaf 1, the side surface of the installation ring 51 far away from the fixed sleeve 4 is communicated with one side end surface of the door leaf 1. When the door leaf 1 is in the closed state, the locking shaft 53 is aligned with the locking groove 41, and at this time, the locking shaft 53 can be inserted into the locking groove 41 to limit the rotation of the fixing sleeve 4, so that the door handle rotating shaft 2 and the handle body 3 are difficult to rotate, and the door leaf 1 is not easy to be opened by mistake.

Referring to fig. 4 and 5, the positioning post 52 includes a connecting portion 521 and a positioning portion 522 that are integrally formed, wherein the connecting portion 521 is located on a side of the positioning portion 522 away from the fixing sleeve 4. The coupling portion 521 and the positioning portion 522 each have a cylindrical shape, and the diameter of the coupling portion 521 is larger than that of the positioning portion 522. The side of the mounting ring 51 away from the fixing sleeve 4 is provided with a connecting groove 511, the connecting groove 511 is provided with a through positioning groove 512 on the groove wall close to the fixing sleeve 4, the inner diameter of the connecting groove 511 is slightly larger than the diameter of the connecting part 521 and can be used for the connecting part 521 to extend into, and the inner diameter of the positioning groove 512 is slightly larger than the diameter of the positioning part 522 and can be used for the positioning part 522 to extend into.

Referring to fig. 4 and 5, the circumferential side wall of the connecting portion 521 is provided with an external thread 523, and the groove wall of the connecting groove 511 is provided with an internal thread 513 engaged with the external thread 523. The positioning column 52 is connected to the mounting ring 51 in a threaded fit manner, and the stability is high. In order to facilitate the operator to rotate the positioning post 52, a hexagonal socket 8 is formed on a side of the connecting portion 521 away from the positioning portion 522, the hexagonal socket 8 is connected to the exterior of the door 1, and a screwdriver can be inserted into the hexagonal socket 8, so that the operator can rotate the positioning post 52 by using the screwdriver.

Referring to fig. 4 and 5, a side surface of the positioning portion 522 close to the fixed sleeve 4 is opened with a horizontally extending movable groove 524, and the locking shaft 53 is slidably disposed in the movable groove 524. A positioning spring 525 is fixedly arranged between the groove wall of the movable groove 524 away from the fixed sleeve 4 and the locking shaft 53, and the telescopic direction of the positioning spring 525 is parallel to the movable direction of the locking shaft 53. When the positioning spring 525 is in its natural state of being unstretched or compressed, one end of the locking shaft 53 extends out of the positioning post 52. With this arrangement, when the locking shaft 53 is aligned with the locking groove 41, the positioning spring 525 can drive the locking shaft 53 to automatically extend into the locking groove 41, thereby improving the insertion stability of the locking shaft 53 and the fixing sleeve 4.

Referring to fig. 4 and 5, in order to improve the stability of the locking shaft 53 when moving along the movable groove 524, two sliding blocks 531 are integrally formed on the circumferential side wall of the locking shaft 53, and the two sliding blocks 531 are circumferentially and uniformly distributed along the central axis of the locking shaft 53. Two sliding grooves 526 are uniformly distributed on the wall of the movable groove 524 in the circumferential direction, the extending direction of the sliding grooves 526 is parallel to the extending direction of the movable groove 524, and each sliding block 531 is respectively arranged in the adjacent sliding grooves 526 in a sliding manner so as to play a role in guiding and limiting when the locking shaft 53 moves.

Referring to fig. 4 and 5, a latch 532 is fixed to a side of each slider 531 away from the locking shaft 53, and the latch 532 is made of a material capable of generating elastic deformation, such as rubber. The wall of the chute 526 has a first engaging groove 527 at one end close to the fixing sleeve 4, the wall of the chute 526 has a second engaging groove 528 at one end far from the fixing sleeve 4, and both the first engaging groove 527 and the second engaging groove 528 can engage with the engaging block 532. When the latch 532 extends into the first latch 527, the locking shaft 53 is in a state of extending out of the positioning column 52, which is helpful for further improving the stability when the locking shaft 53 is inserted into the locking groove 41; when the latch 532 is inserted into the second latch 528, the locking shaft 53 is not beyond the positioning post 52, which helps to reduce the influence of the locking shaft 53 on the anti-rotation of the door handle.

Referring to fig. 2 and 5, two opposite side end surfaces of the door leaf 1 are respectively provided with a horizontally extending abdicating hole 11, the extending direction of the abdicating hole 11 is parallel to the moving direction of the locking shaft 53, and the abdicating hole 11 is communicated with the side surface of the mounting ring 51. Two notches 6 communicated with the movable groove 524 are formed in the circumferential side walls of the mounting ring 51 and the positioning column 52, and the notches 6 are located between the adjacent abdicating holes 11 and the movable groove 524 to play a role in communicating the abdicating holes 11 and the movable groove 524. Two moving grooves 533 communicated with the notch 6 are formed in the circumferential side wall of the locking shaft 53, a moving rod 7 is inserted into each moving groove 533, the moving rod 7 is in interference fit with the moving grooves 533, and one end of the moving rod 7 extends out of the door leaf 1. When opening and closing the door 1, the operator may move the locking shaft 53 by moving the moving rod 7, so that the locking shaft 53 moves into or out of the locking groove 41. Before removing the positioning post 52, the moving rod 7 can be pulled out of the moving slot 533 to prevent the moving rod 7 from affecting the rotation of the positioning post 52.

The implementation principle of the civil air defense door locking device in the embodiment of the application is as follows: when door leaf 1 was in the closed condition, locking shaft 53 aligns with locking groove 41, and operating personnel can move movable rod 7 to the one side that is close to fixed cover 4 for locking shaft 53 immigration locking groove 41, locking shaft 53 can be fixed a position fixed cover 4 at the position that door leaf 1 closed this moment, thereby improves the stability when door leaf 1 closes, so that door leaf 1 is difficult for being opened by the mistake.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A people's air defense door locking device which characterized in that: including setting up in fixed cover (4) of door handle pivot (2) and setting up in locking mechanical system (5) of door leaf (1), fixed cover (4) and door handle pivot (2) synchronous linkage, locking mechanical system (5) including fixed collar (51) that set up in door leaf (1) and the locking axle (53) of sliding setting in collar (51), set up locking groove (41) that supply locking axle (53) to slide to stretch into on the lateral wall of fixed cover (4), it is provided with removal pole (7) that are used for driving locking axle (53) immigration or shift out locking groove (41) to slide in door leaf (1).

2. The people's air defense door locking device of claim 1, characterized in that: the locking mechanism (5) further comprises a positioning column (52) detachably connected in the mounting ring (51), and the locking shaft (53) is arranged on the positioning column (52) in a sliding mode.

3. The people's air defense door locking device of claim 2, characterized in that: the side of the positioning column (52) close to the fixed sleeve (4) is provided with a movable groove (524), the locking shaft (53) is slidably arranged in the movable groove (524), a positioning spring (525) is arranged between the groove wall of the movable groove (524) and the locking shaft (53), and the positioning spring (525) is used for driving the locking shaft (53) to extend out of the positioning column (52).

4. The people's air defense door locking device of claim 3, characterized in that: the side wall of the locking shaft (53) is provided with a sliding block (531), the wall of the movable groove (524) is provided with a sliding groove (526) which is in sliding fit with the sliding block (531), and the extending direction of the sliding groove (526) is parallel to the extending direction of the movable groove (524).

5. The people's air defense door locking device of claim 4, characterized in that: an elastic clamping block (532) is arranged on the side face, far away from the locking shaft (53), of the sliding block (531), and a first clamping groove (527) in clamping fit with the clamping block (532) is formed in one end, close to the fixed sleeve (4), of the groove wall of the sliding groove (526); when the clamping block (532) is embedded into the first clamping groove (527), the locking shaft (53) extends out of the positioning column (52).

6. The civil air defense door locking device of claim 5, wherein: and a second clamping groove (528) in clamping fit with a clamping block (532) is formed in one end, far away from the fixed sleeve (4), of the groove wall of the sliding groove (526), and when the clamping block (532) is embedded into the second clamping groove (528), the locking shaft (53) does not exceed the positioning column (52).

7. The people's air defense door locking device of claim 3, characterized in that: offer on the lateral wall of door leaf (1) and supply distancing rod (7) to slide hole (11) of stepping down of wearing to establish, the extending direction of hole (11) of stepping down is on a parallel with the moving direction of locking axle (53), offer on the lateral wall of collar (51) and reference column (52) and be used for the intercommunication notch (6) of hole (11) and activity groove (524) of stepping down, shifting groove (533) have been seted up on the lateral wall of locking axle (53), distancing rod (7) are worn to establish in notch (6) and with shifting groove (533) interference fit.

8. The people's air defense door locking device of claim 2, characterized in that: the positioning column (52) comprises a connecting part (521) and a positioning part (522) which are integrally formed, the connecting part (521) is positioned on one side of the positioning part (522) far away from the fixed sleeve (4), and the diameter of the connecting part (521) is larger than that of the positioning part (522); offer on collar (51) and be used for supplying connecting portion (521) to stretch into spread groove (511) and be used for supplying constant head tank (512) that location portion (522) stretched into, one of them side end face intercommunication of spread groove (511) and door leaf (1), the circumference lateral wall of connecting portion (521) is equipped with external screw thread (523), the cell wall of spread groove (511) is equipped with internal thread (513) of mutually supporting with external screw thread (523).

9. The people's air defense door locking device of claim 8, wherein: the side surface of the connecting part (521), which is far away from the positioning part (522), is provided with an inner hexagonal groove (8).