CN213869335U

CN213869335U - Multifunctional door lock with violence damage prevention function

Info

Publication number: CN213869335U
Application number: CN202022802168.8U
Authority: CN
Inventors: 王通; 朱先广; 贾喜成; 朱雨希; 冯振文; 张草丛
Original assignee: Zhengzhou University of Science and Technology
Current assignee: Zhengzhou University of Science and Technology
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-08-03
Anticipated expiration: 2030-11-27

Abstract

The utility model relates to a multi-functional lock technical field specifically is for having multi-functional lock of anti-riot power destruction, including the device main part, the device main part is including a body, the inside movable mounting of the door body has the lead screw, the equal fixed mounting of one end of lead screw has first bevel gear, one side of first bevel gear all meshes and is connected with second bevel gear, the opposite side of first bevel gear all meshes and is connected with third bevel gear, one side fixed mounting of third bevel gear has the knob, one side of the door body is provided with protection machanism, the articulated protective cover of installing in one side of the door body. The utility model discloses a be provided with protection machanism, the staff uses specific key to make circular gear drive first telescopic link and removes to lock the protective cover, make the handle by complete hiding, play good protection effect to the handle, increased the fastness of device, also improved staff's use simultaneously and experienced.

Description

Multifunctional door lock with violence damage prevention function

Technical Field

The utility model relates to a multi-functional lock technical field specifically is a multi-functional lock with prevent violence destruction.

Background

Door locks are devices used, as the name implies, to lock a door to prevent others from opening the door. The door locks are classified in a large number, the requirements on the door locks are different in various occasions, the safety of the ordinary household anti-theft door locks is high, the price of the ordinary household anti-theft door locks is low, the door locks with higher safety need to be installed in some special places, and the existing multifunctional door locks with the function of preventing violent damage can achieve the function of improving the safety.

However, most of the existing multifunctional door locks with the function of preventing the violent damage do not have a protection mechanism, so that the door locks are protected relatively low, and the safety of protected places is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multi-functional lock with prevent violence destruction to the current multi-functional lock with prevent violence destruction that proposes in solving above-mentioned background art does not possess protection machanism mostly, thereby has played lower protection to the lock, has reduced the problem by the security in protection place.

In order to achieve the above object, the utility model provides a following technical scheme: the multifunctional door lock with the function of preventing violent damage comprises a device main body, wherein the device main body comprises a door body, a screw rod is movably arranged in the door body, a first bevel gear is fixedly arranged at one end of the screw rod, a second bevel gear is connected to one side of the first bevel gear in a meshing manner, a third bevel gear is connected to the other side of the first bevel gear in a meshing manner, a knob is fixedly arranged at one side of the third bevel gear, a protection mechanism is arranged at one side of the door body, a protection cover is hinged to one side of the door body, a first telescopic rod is movably arranged in the protection cover in a meshing manner, the number of the first telescopic rods is two, tooth blocks are fixedly arranged at the ends, close to each other, of the two first telescopic rods, a circular gear is connected to the ends, close to each other, of the two tooth blocks, a limiting column is fixedly arranged at one side of the door body, and the quantity of spacing post is two, the inside of spacing post all is seted up flutedly.

Preferably, a handle is fixedly mounted on one side of the door body, a non-slip mat is fixedly mounted on the outer portion of the handle, and the non-slip mat is made of nitrile rubber.

Preferably, the inside of the door body is provided with a latch mechanism, the latch mechanism comprises two latches, the latches are movably mounted inside the door body, and the screws are mounted inside the latches in a threaded manner.

Preferably, the two sides of the interior of the door body are both provided with sliding grooves, and sliding blocks are slidably mounted in the sliding grooves.

Preferably, two the slide block one side of keeping away from each other all has seted up the draw-in groove, the inside of draw-in groove all movable mounting have the card ball.

Preferably, the inboard of protective cover is provided with protection mechanism, protection mechanism includes the second telescopic link, the inboard fixed mounting of protective cover has three second telescopic link, the outside fixed mounting spring that all of second telescopic link, one side fixed mounting of three second telescopic link has the connecting plate, one side fixed mounting of connecting plate has the foam block.

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

1. through being provided with protection machanism, the staff uses specific key to make circular gear drive first telescopic link and remove to locking the protective cover, making the handle by complete hiding, playing good protection effect to the handle, increased the fastness of device, also improved staff's use simultaneously and experienced.

2. Through being provided with protection mechanism, utilize the foam block to the protection of handle, prevent that the person of exerting oneself violently produces the extrusion to the handle because of the protective cover deformation when exerting oneself violently to the protective cover, second telescopic link and spring also can carry out the shock attenuation to the outside power of exerting oneself simultaneously, play the effect of buffering to the foam block, have increased the security of device.

Drawings

FIG. 1 is a schematic front view of the structure of the present invention;

fig. 2 is a schematic front sectional view of a first partial structure of the present invention;

fig. 3 is a schematic front sectional view of a second partial structure of the present invention;

fig. 4 is a schematic side view of a first partial structure of the present invention;

fig. 5 is a schematic side view of a second partial structure of the present invention;

fig. 6 is an enlarged schematic view of a portion of the structure in fig. 2.

In the figure: 1. a device main body; 110. a door body; 111. a handle; 112. a non-slip mat; 2. a latch mechanism; 210. a latch; 211. a screw rod; 212. a slider; 213. a chute; 214. a first bevel gear; 215. a second bevel gear; 216. turning a knob; 217. a third bevel gear; 218. a card slot; 219. blocking the ball; 3. a protection mechanism; 310. a protective cover; 311. a first telescopic rod; 312. a tooth block; 313. a circular gear; 314. a limiting column; 315. a groove; 4. a protection mechanism; 410. a second telescopic rod; 411. a spring; 412. a connecting plate; 413. a foam block.

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.

Referring to fig. 1-6, the present invention provides an embodiment:

the multifunctional door lock with the function of preventing violent damage comprises a device main body 1, wherein the device main body 1 comprises a door body 110, a screw rod 211 is movably arranged inside the door body 110, one end of the screw rod 211 is fixedly provided with a first bevel gear 214, one side of the first bevel gear 214 is connected with a second bevel gear 215 in a meshing manner, the other side of the first bevel gear 214 is connected with a third bevel gear 217 in a meshing manner, one side of the third bevel gear 217 is fixedly provided with a knob 216, one side of the door body 110 is provided with a protection mechanism 3, one side of the door body 110 is hinged with a protection cover 310, the inside of the protection cover 310 is movably provided with a first telescopic rod 311, the number of the first telescopic rods 311 is two, one ends, close to each other, of the two first telescopic rods 311 are fixedly provided with tooth blocks 312, one ends, close to each other, of the two tooth blocks 312 are connected with a circular gear 313 in a meshing manner, one side of the door body 110 is fixedly provided with a limiting column 314, and the quantity of spacing post 314 is two, and recess 315 has all been seted up to spacing post 314's inside, and the staff uses specific key to make circular gear 313 drive first telescopic link 311 and remove to lock protective cover 310, make handle 111 by complete hiding, play good protection effect to handle 111, increased the fastness of device, also improved staff's use simultaneously and experienced.

Furthermore, a handle 111 is fixedly mounted on one side of the door body 110, a non-slip mat 112 is fixedly mounted on the exterior of the handle 111, and the non-slip mat 112 is made of nitrile rubber, so that the worker is prevented from falling off due to hand slip.

Further, the inside of the door body 110 is provided with the latch mechanism 2, the latch mechanism 2 includes the bolt 210, the inside movable mounting of the door body 110 has the bolt 210, and the quantity of the bolt 210 is two, the inside of the bolt 210 is all threaded mounting has the lead screw 211, through the lead screw 211 in the bolt 210 inside rotation make the bolt 210 to both sides flexible, stretch out and draw back to the door frame in, play the fixed action to the door, increased the firm degree of the door body 110.

Furthermore, the sliding grooves 213 are formed in two sides of the interior of the door body 110, the sliding blocks 212 are arranged in the sliding grooves 213 in a sliding mode, the sliding blocks 212 slide in the sliding grooves 213 again, gravity of the bolt 210 is reduced, physical strength of workers is saved, and operation of the workers is facilitated.

Furthermore, the clamping grooves 218 are formed in the sides, away from each other, of the two sliders 212, the clamping balls 219 are movably mounted inside the clamping grooves 218, the clamping balls 219 roll inside the clamping grooves 218, friction generated when the sliders 212 slide in the sliding grooves 213 is reduced, and therefore the rotary knob 216 can be rotated by a worker with small force, and the practicability of the device is improved.

Further, the inboard of protective cover 310 is provided with protection mechanism 4, protection mechanism 4 includes second telescopic link 410, the inboard fixed mounting of protective cover 310 has three second telescopic link 410, the outside fixed mounting spring 411 all of second telescopic link 410, one side fixed mounting of three second telescopic link 410 has connecting plate 412, one side fixed mounting of connecting plate 412 has foam block 413, utilize foam block 413 to the protection of handle 111, prevent that the person of executing an emergency from producing the extrusion to handle 111 because of protective cover 310 warp when executing an emergency to protective cover 310, second telescopic link 410 and spring 411 also can be to the shock attenuation of the force of exerting an emergency outside simultaneously, play the effect of buffering to foam block 413, the security of device has been increased.

The working principle is as follows: the staff makes circular gear 313 rotate through inserting specific key, circular gear 313 rotates in tooth piece 312, drive two first telescopic link 311 and remove to opposite direction, make tooth piece 312 shift out from the recess 315 inside, can open protective cover 310, the person of violently executing can't open protective cover 310, when executing violence to door body 110, because the elasticity of handle 111, support second telescopic link 410, reduce the vibrations of outside production, foam piece 413 connected with connecting plate 412 can play the parcel nature protection to handle 111, can not cause the injury to handle 111 because of the deformation of protective cover 310, open the back with protective cover 310, insert the key to the one end of second bevel gear 215, carry out the secondary and unblank, it can open door body 110 to rotate handle 111, non-slip mat 112 plays the effect of antiskid.

A worker enters the other side of the door body 110, the rotating knob 216 can be rotated, the rotating knob 216 drives the third bevel gear 217 to rotate, the third bevel gear 217 drives the first bevel gear 214 to rotate, the first bevel gear 214 drives the screw rod 211 to rotate inside the bolt 210, so that the two bolts 210 move in the direction away from each other and are inserted into a door frame, the sliding blocks 212 on the two sides of the bolt 210 slide inside the sliding grooves 213 again, the gravity of the bolt 210 is reduced, the clamping grooves 218 roll in the clamping balls 219 again, and the friction generated in the lifting process of the sliding blocks 212 is reduced.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Multi-functional lock with prevent violence destruction, including device main part (1), its characterized in that: the device main body (1) comprises a door body (110), a screw rod (211) is movably mounted inside the door body (110), a slider (212) is movably mounted inside the door body (110), a first bevel gear (214) is fixedly mounted at one end of the screw rod (211), a second bevel gear (215) is connected to one side of the first bevel gear (214) in a meshed manner, a third bevel gear (217) is connected to the other side of the first bevel gear (214) in a meshed manner, a rotating knob (216) is fixedly mounted at one side of the third bevel gear (217), a protection mechanism (3) is arranged at one side of the door body (110), a protection cover (310) is hinged to one side of the door body (110), a first telescopic rod (311) is movably mounted inside the protection cover (310), two first telescopic rods (311) are arranged in number, two tooth blocks (312) are fixedly mounted at one ends of the first telescopic rods (311) close to each other, one end, close to each other, of each of the two gear blocks (312) is connected with a circular gear (313) in a meshed mode, one side of the door body (110) is fixedly provided with two limiting columns (314), and grooves (315) are formed in the limiting columns (314).

2. The multifunctional door lock with violence prevention according to claim 1, wherein: one side fixed mounting of door body (110) has handle (111), the outside fixed mounting of handle (111) has slipmat (112), just the material of slipmat (112) is nitrile rubber.

3. The multifunctional door lock with violence prevention according to claim 1, wherein: the door body (110) is internally provided with a latch mechanism (2), the latch mechanism (2) comprises two latches (210), the latches (210) are movably arranged in the door body (110), and the two latches (210) are all internally provided with screw rods (211) in a threaded manner.

4. The multifunctional door lock with violence prevention according to claim 1, wherein: the door body (110) is internally provided with sliding grooves (213) on two sides, and the sliding blocks (212) are arranged inside the sliding grooves (213) in a sliding mode.

5. The multifunctional door lock with violence prevention according to claim 1, wherein: one side of each of the two sliding blocks (212) far away from each other is provided with a clamping groove (218), and a clamping ball (219) is movably arranged in each clamping groove (218).

6. The multifunctional door lock with violence prevention according to claim 1, wherein: the inboard of protective cover (310) is provided with protection mechanism (4), protection mechanism (4) include second telescopic link (410), the inboard fixed mounting of protective cover (310) has three second telescopic link (410), the outside all fixed mounting spring (411) of second telescopic link (410), one side fixed mounting of three second telescopic link (410) has connecting plate (412), one side fixed mounting of connecting plate (412) has foam block (413).