CN212295951U

CN212295951U - Door lock protection device

Info

Publication number: CN212295951U
Application number: CN202020615487.5U
Authority: CN
Inventors: 杨松才
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-22
Filing date: 2020-04-22
Publication date: 2021-01-05
Anticipated expiration: 2030-04-22

Abstract

A door lock guard comprising a fixed plate assembly: the assembly comprises a connecting plate, a large through hole arranged in the middle area of the connecting plate and connecting screw holes arranged around the large through hole, wherein the upper end of the connecting plate is fixedly connected with a first vertical plate, the lower end of the connecting plate is rotatably connected with a second vertical plate through a hinge, slide ways are symmetrically arranged at the left end and the right end of the connecting plate, and first limiting holes at certain intervals are symmetrically arranged on the surfaces of the first vertical plate and the second vertical plate; and a sliding plate assembly: the assembly comprises a guard plate and a third vertical plate, wherein the guard plate is connected above the connecting plate in a sliding mode, the third vertical plate is fixedly connected to the upper end portion of the guard plate, the fourth vertical plate is fixedly connected to the lower end portion of the guard plate, and second limiting holes corresponding to the first limiting holes are formed in the surfaces of the third vertical plate and the fourth vertical plate. The device has better protection performance, simple structure, lower cost, convenient installation and disassembly, more door lock types, wide production and use and ideal technical effect.

Description

Door lock protection device

Technical Field

The utility model relates to a lock protection field especially relates to a lock protector.

Background

With the continuous development of economy and the continuous progress of society in China, the security consciousness of people is enhanced increasingly, especially the anti-theft consciousness at home, therefore, various anti-theft doors are generated, and the existing anti-theft door has a relatively complex lock catch structure, so that the anti-theft performance is effectively improved, but although the existing anti-theft door can improve the anti-theft performance to a certain extent, most of a key hole of the existing anti-theft door is exposed, so that some people can be free, even if the anti-theft door is not opened finally, the lock hole can be damaged to a certain extent, and in recent years, the events that the lock hole is blocked or glue is dripped are rare, so that the maintenance or replacement is the result, and higher cost is generated. Some burglary-resisting doors equipped with coded locks are more and more popular in recent years, but the production cost and the later maintenance cost are higher, and the burglary-resisting doors are generally assembled in high-grade cells more and are not suitable for large-scale use. Therefore, the prior art has certain defects and shortcomings, and has great space for improvement and perfection.

Disclosure of Invention

An object of the utility model is to provide a door lock protector of the higher scheduling problem of protection nature difference, fragile and maintenance cost is solved through the mode of installing protection protective screen one outside the lock.

The utility model adopts the technical scheme as follows:

the utility model provides a lock protector, the device includes the fixed plate subassembly: the assembly comprises a connecting plate, a large through hole arranged in the middle area of the connecting plate and connecting screw holes arranged around the large through hole, wherein the upper end of the connecting plate is fixedly connected with a first vertical plate, the lower end of the connecting plate is rotatably connected with a second vertical plate through a hinge, slide ways are symmetrically arranged at the left end and the right end of the connecting plate, and first limiting holes are symmetrically arranged on the surfaces of the first vertical plate and the second vertical plate; and a sliding plate assembly: the assembly comprises a guard plate and a third vertical plate, wherein the guard plate is connected above the connecting plate in a sliding mode, the third vertical plate is fixedly connected to the upper end portion of the guard plate, the fourth vertical plate is fixedly connected to the lower end portion of the guard plate, and second limiting holes corresponding to the first limiting holes are formed in the surfaces of the third vertical plate and the fourth vertical plate.

Furthermore, limiting grooves corresponding to the slide ways are symmetrically arranged at the connecting parts of the third vertical plate and the two sides of the guard plate.

Furthermore, a small through hole is arranged below the large through hole.

Furthermore, the number of the first limiting holes and the second limiting holes is set to be 2-4.

Compared with the prior art, the utility model following beneficial effect has:

the utility model provides a lock protector can form protection protective screen one in the current burglary-resisting door lock part outside, avoid the lock part directly to expose outside, can prevent effectively that some are intentionally or destroy the circumstances such as lock by accident, this device simple structure, the cost is lower moreover, simple to operate, the gliding mode of accessible shelters from the lock part, it is all very convenient to open and the locking, it is more to be suitable for the lock kind simultaneously, be fit for large-scale production and use, can produce very ideal technological effect in daily protection process.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of a door lock protection device according to the present invention;

FIG. 2 is a schematic view of the configuration of FIG. 1 showing the slide plate assembly stretched and unfolded;

FIG. 3 is a schematic structural view of the fixed plate assembly of FIG. 2;

FIG. 4 is a schematic structural view of the connection plate of FIG. 3;

fig. 5 is a schematic structural view of the sliding plate assembly of fig. 2.

Detailed Description

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

It should be noted that in the description of the present invention, it should be noted that the terms "upper", "lower", "top", "bottom", "one side", "the other side", "left", "right", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for convenience of describing the present invention and simplifying the description, and does not mean that the device or the element must have a specific orientation, be constructed in a specific orientation, and be operated.

Referring to fig. 1 to 5, a specific structure of an embodiment of a door lock protector according to the present invention is shown. The device comprises a fixed plate assembly 1 and a sliding plate assembly 2.

In this embodiment, the fixed plate assembly 1 includes a rectangular connecting plate 11, a circular large through hole 12 is formed in the middle area of the connecting plate 11, connecting screw holes 13 are formed in four end portions of the outer side of the circumference of the large through hole 12, circular small through holes 14 are formed below the large through hole 12 at certain intervals, and the large through hole 12 and the small through holes 14 are used for adapting to lock holes in different positions and different sizes to expose the lock holes of the door lock; the upper end of the connecting plate 11 is fixedly connected with a transverse first vertical plate 15, the lower end of the connecting plate 11 is rotatably connected with a transverse second vertical plate 17 through a hinge 16, the left end and the right end of the connecting plate 11 are respectively symmetrically provided with a slideway 18, and the surfaces of the first vertical plate 15 and the second vertical plate 17 are respectively provided with three transverse first limiting holes 19 which are mutually symmetrical.

The sliding plate component 2 comprises a rectangular structure guard plate 21 corresponding to the connecting plate 11, the guard plate 21 is slidably connected with the slide ways 18 at the left end and the right end of the connecting plate 11, the upper end of the guard plate 21 is fixedly connected with a transverse third vertical plate 22, the lower end of the guard plate 21 is fixedly connected with a transverse fourth vertical plate 23, the surfaces of the third vertical plate 22 and the fourth vertical plate 23 are respectively provided with a second limit hole 24 corresponding to the first limit hole 19, the number of the first limit hole 19 and the number of the second limit hole 24 are generally set to be 2-4, in the embodiment, the number of the first limit hole 19 and the number of the second limit hole 24 are 3; and the joints of the third vertical plate 22 and the two sides of the guard plate 21 are provided with mutually symmetrical limiting grooves 25, and the limiting grooves 25 are correspondingly connected with the slide ways 18 in a sliding manner.

This device is when using, at first fix fixed plate subassembly 1 outside the lock through four connecting screw holes 13, big through-hole 12 or little through-hole 14 aim at the lockhole, then rotate second riser 17 downwards, and correspond sliding connection with slide plate subassembly 2 through the spacing groove 25 of the third riser 22 left and right sides and the slide 18 at both ends about connecting plate 11, then slide plate subassembly 2 wholly upwards slides, make backplate 21 cover connecting plate 11 completely, block the lockhole position, last second riser 17 of upwards rotating, make second riser 17 and the laminating of fourth riser 23, additionally prepare several ordinary tapered ends, it can to lock in first spacing hole 19 and the spacing hole 24 of second that correspond to insert second riser 17 and fourth riser 23 surface, reverse operation can when opening the lock. The utility model discloses can form one protective layer in security door lock's outside, both can promote the theftproof performance, can avoid the lock to suffer destruction again simultaneously, can play important guard action in the in-process of daily use.

The above-mentioned embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.

Claims

1. A door lock protection device characterized in that: the device comprises

A fixed plate assembly: the assembly comprises a connecting plate, a large through hole arranged in the middle area of the connecting plate and connecting screw holes arranged around the large through hole, wherein the upper end of the connecting plate is fixedly connected with a first vertical plate, the lower end of the connecting plate is rotatably connected with a second vertical plate through a hinge, slide ways are symmetrically arranged at the left end and the right end of the connecting plate, and first limiting holes are symmetrically arranged on the surfaces of the first vertical plate and the second vertical plate; and

a sliding plate assembly: the assembly comprises a guard plate and a third vertical plate, wherein the guard plate is connected above the connecting plate in a sliding mode, the third vertical plate is fixedly connected to the upper end portion of the guard plate, the fourth vertical plate is fixedly connected to the lower end portion of the guard plate, and second limiting holes corresponding to the first limiting holes are formed in the surfaces of the third vertical plate and the fourth vertical plate.

2. A door lock guard according to claim 1, wherein: and limiting grooves corresponding to the slide ways are symmetrically arranged at the connecting parts of the third vertical plate and the two sides of the guard plate.

3. A door lock guard according to claim 1, wherein: and a small through hole is arranged below the large through hole.

4. A door lock guard according to claim 1, 2 or 3, wherein: the number of the first limiting holes and the number of the second limiting holes are 2-4.