CN220849179U - Door lock cover structure - Google Patents

Abstract

The scheme relates to a door lock locking closure structure, including the same and symmetrical first locking closure and the second locking closure that sets up of shape size, be equipped with first through-hole in the middle of the first locking closure, be equipped with the second through-hole in the middle of the second locking closure, still be equipped with first countersunk head through-hole on the first locking closure, be equipped with the second countersunk head through-hole on the second locking closure, install connecting bolt in the first countersunk head through-hole, be equipped with the circumference limit structure that prevents connecting bolt pivoted between connecting bolt and the first countersunk head through-hole, penetrating the second countersunk head through-hole after connecting bolt passes first countersunk head through-hole, thereby install in the second countersunk head through-hole and be connected the screw fixed with connecting bolt with first locking closure and second locking closure. After the connecting bolt is inserted into the first countersunk through hole when the door lock cover is installed by a user, the rotation of the connecting bolt is limited through the circumferential limiting structure, at the moment, the door lock cover can be easily installed by being connected with the other end of the connecting bolt through a screw, and the door lock cover is easy and convenient to detach and install.

Description

Door lock cover structure

Technical Field

The utility model relates to the field of locks, in particular to a door lock cover structure.

Background

Door lock covers in the prior art are generally made of metal materials and comprise an outer cover and an inner cover which are identical in shape, through holes are formed in the outer cover and the inner cover, rivets are arranged at the through holes of the outer cover, and threaded holes are formed in one ends, close to the inner cover, of the rivets. The rivet at the through hole of the outer cover is connected with an external screw through threads, so that the installation of the door lock cover is completed, and the rivet is generally riveted on the outer cover directly.

When the door lock locking closure of this kind of structure installs, the relative pivoted condition appears simultaneously to the rivet easily, leads to the unable fine fastening of screw, is difficult for screwing up rivet and screw, needs to fix the rivet head end with the instrument earlier, uses the tail end and the screwed connection of instrument with the rivet again, otherwise the rivet will beat in enclosing cover through-hole department, and the dismantlement of this kind of door lock locking closure is very inconvenient, generally needs many people to cooperate just can dismantle the installation to door lock locking closure.

Therefore, how to overcome the above-mentioned drawbacks has become an important issue to be solved by the person skilled in the art.

Disclosure of utility model

The utility model overcomes the defects of the technology and provides a door lock cover structure.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

The utility model provides a lock locking closure structure, includes the same and symmetry first locking closure of shape size and setting and second locking closure, be equipped with first through-hole in the middle of the first locking closure, be equipped with the second through-hole in the middle of the second locking closure, still be equipped with first countersunk head through-hole on the first locking closure, be equipped with the second countersunk head through-hole on the second locking closure, install connecting bolt in the first countersunk head through-hole, be equipped with the circumference limit structure that prevents connecting bolt pivoted between connecting bolt and the first countersunk head through-hole, penetrating the second countersunk head through-hole after connecting bolt passes first countersunk head through-hole, thereby install in the second countersunk head through-hole and be connected fixed screw with connecting bolt with first locking closure and second locking closure.

Further, the first countersunk through holes are respectively and symmetrically arranged on two sides of the first through holes, the second countersunk through holes are respectively and symmetrically arranged on two sides of the second through holes, and the connecting bolts and the screws are respectively and correspondingly arranged in two.

Further, the first lock cover is covered with the first shell, and the second lock cover is covered with the second shell.

Further, the first countersunk head through-hole includes along its axial distribution's first spiral shell head hole, is located the spacing hole of first spiral shell head hole lower extreme and is located the first connecting hole of spacing hole lower extreme, connecting bolt includes the bolt head, is located the spacing portion of bolt head lower extreme, is located the screw rod of spacing lower extreme, circumference limit structure includes spacing hole and spacing portion, thereby spacing portion penetrates and the chucking prevents that connecting bolt from rotating in first countersunk head through-hole in spacing hole.

Further, an internal thread channel is formed in the screw rod, the screw comprises a screw head and a threaded rod, the second countersunk through hole comprises a second screw head hole and a second connecting hole, the screw rod penetrates into the second connecting hole, and the threaded rod penetrates into the second connecting hole after penetrating through the second screw head hole to be in threaded connection with the internal thread channel.

Further, the cross section of the limiting part is regular hexagon, and the cross section of the limiting hole is regular hexagon matched with the limiting part.

Further, the bolt head is buried in the first screw head hole and the top end thereof is lower than the cover surface of the first locking cover, and the bolt head is buried in the second screw head hole and the top end thereof is lower than the cover surface of the second locking cover.

Further, a first operation matching part for matching with an operation tool to screw the connecting bolt is arranged on the bolt head, and a second operation matching part for matching with the operation tool to screw the screw is arranged on the bolt head.

Further, the first operation matching part is a hexagonal groove, a straight groove or a cross groove, and the second operation matching part is a hexagonal groove, a straight groove or a cross groove.

Further, the first lock cover and the second lock cover are made of plastic materials, the first shell and the second shell are made of stainless steel materials, and the first lock cover and the second lock cover are square or round with the same shape and size.

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

The scheme is that the connecting bolt is prevented from rotating through the circumferential limiting structure arranged between the connecting bolt and the first countersunk through hole, when the door lock cover is installed, after the connecting bolt is inserted into the first countersunk through hole, the rotation of the connecting bolt is limited through the circumferential limiting structure, at the moment, the door lock cover can be easily installed only by being connected with the other end of the connecting bolt through the screw, and the door lock cover can be easily and conveniently detached and installed. The lock cover has the same shape and size and a circumferential limiting structure, so that the lock cover can be suitable for being matched with different door locks, can be produced in batches and has good practicability.

Drawings

Fig. 1 is a schematic diagram of the explosive structure of the present case.

Fig. 2 is a schematic diagram of the structure of the connecting bolt.

Fig. 3 is a schematic view of the first locking cap structure.

Fig. 4 is a schematic view of a second lock cover structure of the present case.

Fig. 5 is a schematic view of the structure of the screw.

FIG. 6 is one of the application assembly diagrams.

FIG. 7 is a second embodiment of the present application.

Detailed Description

The following examples are provided to illustrate the features of the present utility model and other related features in further detail to facilitate understanding by those skilled in the art:

As shown in fig. 1 to 7, a door lock cover structure is disclosed, which includes a first lock cover 1 and a second lock cover 2 that are symmetrically arranged. The lock cover has the same shape and size, when the lock is installed, the first lock cover 1 and the second lock cover 2 can be freely selected to correspond to the outer lock cover and the inner lock cover of the door lock, so that the lock cover is flexible in mode, the trouble of distinguishing the inner lock cover from the outer lock cover is omitted, the installation and the disassembly time of the door lock is saved, and meanwhile, the lock cover structure can be suitable for being matched with different door locks to be installed, and the lock cover can be produced in batches and has good practicability. The first through hole 11 is arranged in the middle of the first lock cover 1, and the second through hole 21 is arranged in the middle of the second lock cover 2. The arrangement of the first through hole 11 and the second through hole 21 facilitates the installation of other lock parts of the handle and the door lock. The first lock cover 1 is also provided with a first countersunk through hole 12, the second lock cover 2 is provided with a second countersunk through hole 22, the first countersunk through hole 12 is internally provided with a connecting bolt 3, and a limiting structure for preventing the connecting bolt 3 from rotating is arranged between the connecting bolt 3 and the first countersunk through hole 12. Through set up the circumference limit structure that prevents connecting bolt pivoted between connecting bolt and first countersunk through-hole, when installing the lock lid of lock, after inserting first countersunk through-hole with connecting bolt, limited connecting bolt's rotation through circumference limit structure's setting, at this moment, only need to be connected to the connecting bolt other end with the screw, can easily accomplish the installation, the dismantlement of lock lid of lock easy operation is convenient, alone can easily accomplish the dismantlement of lock lid of lock. The connecting bolt 3 passes through the first countersunk through hole 12 and then penetrates into the second countersunk through hole 22. That is, when the door lock cover is installed, the connecting bolt 3 penetrates the first countersunk through hole 12 from the cover surface of the first lock cover 1 and then penetrates the second countersunk through hole 22 from the bottom of the cover of the second lock cover 2. A screw 5 connected with the connecting bolt 3 to connect and fix the first locking cover 1 and the second locking cover 2 is arranged in the second countersunk through hole 22.

As shown in fig. 1 to 5, the first countersunk through holes 12 are respectively and symmetrically arranged at two sides of the first through hole 11, the second countersunk through holes 22 are respectively and symmetrically arranged at two sides of the second through hole 21, and the connecting bolt 3 and the screw 5 are respectively and correspondingly arranged at two sides. During specific implementation, through the quantity of add relevant part and structure, set up two first through-holes 11, two second countersunk head through-holes 22, two bolts 3 and two screws 5 for the connection between first locking closure 1 and the second locking closure 2 is more stable fastening, has further promoted the stability after the tool to lock is installed.

As shown in fig. 1, the first cover 1 is covered with a first housing 6, and the second cover 2 is covered with a second housing 7. The first shell 6 and the second shell 7 are arranged to cover the first lock cover 1 and the second lock cover 2 respectively, the first countersunk head through hole 12, the second countersunk head through hole 22, the bolt 3 and the bolt 5 can be hidden after the door lock is installed, on one hand, the lock is attractive, on the other hand, the tool used by lawless persons can be effectively prevented from damaging the lock, and the anti-theft performance is improved.

As shown in fig. 1 to 3, the first countersunk through hole 12 includes a first screw hole 121 distributed along an axial direction thereof, a limiting hole 122 at a lower end of the first screw hole 121, and a first connection hole 123 at a lower end of the limiting hole 122. That is, the first countersunk through hole 12 is a hole extending from the cover surface to the cover bottom of the first lock cover 1, and the inside of the hole of the first countersunk through hole 12 has different structures and lengths from top to bottom. Specifically, the first screw hole 121 in which the bolt 3 is buried is disposed at the lower end of the first screw hole 121, the limiting hole 122 is disposed at the lower end of the first screw hole 121 and is used for circumferentially limiting the connecting bolt 3, and the first connecting hole 123 is disposed at the lower end of the limiting hole 122 and is used for inserting the connecting bolt and then penetrating out and connecting with the second locking cover 2. Wherein, the cross section area of the first screw hole 121 is larger than the cross section area of the limiting hole 122, and the cross section area of the limiting hole 122 is larger than the cross section area of a connecting hole 123. The connecting bolt 3 comprises a bolt head 31, a limiting part 32 positioned at the lower end of the bolt head 31, and a screw 33 positioned at the lower end of the limiting part 32. That is, in the embodiment, the connecting bolt 3 is divided into three parts from top to bottom, specifically, the bolt head 31 which is convenient for screwing by using a tool to install the bolt, the limit part 32 which is connected to the lower end of the bolt head 31 and is convenient for clamping fit with the limit hole 122, and the screw 33 which is connected to the lower end of the limit part 32. In particular, the connecting bolt 3 is integrally formed, wherein the cross-sectional area of the bolt head 31 is larger than the cross-sectional area of the limiting part 32, and the cross-sectional area of the limiting part 32 is larger than the cross-sectional area of the screw 33. The screw 33 is conveniently threaded with the screw 5 in the second countersunk through hole 22 on the second locking cap 2 after penetrating out of the first connecting hole 123, so that the first locking cap 1 and the second locking cap 2 are tightly installed. The circumferential limiting structure comprises a limiting hole 122 and a limiting part 32, wherein the limiting part 32 penetrates into the limiting hole 122 and is clamped in the limiting hole 122, namely, the limiting part 32 is clamped and limited in structural fit with the limiting hole 122, so that the connecting bolt 3 is prevented from rotating in the first countersunk through hole 12. The connecting bolt 3 and the first countersunk through hole 12 are novel in structure and good in practicality.

As shown in fig. 1 to 5, the screw 33 is provided with an internal thread channel 34, the screw 5 comprises a screw head 51 and a threaded rod 52, the second countersunk through hole 22 comprises a second screw head hole 221 and a second connecting hole 222, the screw 33 penetrates into the second connecting hole 222, and the threaded rod 52 penetrates into the second connecting hole 222 after penetrating through the second screw head hole 221 to be in threaded connection with the internal thread channel 34. In this way, the connecting screw 3 and the screw 5 are fastened by threaded connection, that is, the installation of the first locking cover 1 and the second locking cover 2 is completed. The threaded connection is convenient to install and detach, and the connection is more stable and tight.

As shown in fig. 1-5, the cross section of the limiting portion 32 is a regular hexagon, and the cross section of the limiting hole 122 is a regular hexagon matched with the limiting portion 32. That is, the limiting hole 122 is a hexagonal hole, and the limiting portion 32 is an outer hexagon, so that the connecting bolt 3 is effectively prevented from rotating in the first countersunk through hole 12 when the door lock cover is mounted through the cooperation of the two hexagon structures. Of course, the cross sections of the limiting hole 122 and the limiting portion 32 may be other shapes, as long as the effect of limiting and locking the connecting bolt 3 in the first countersunk through hole 12 can be achieved, for example, regular triangle and regular pentagon.

As shown in fig. 1 to 7, the bolt head 31 is buried in the first screw hole 121 with its tip lower than the cover surface of the first locking cap 1, and the screw head 51 is buried in the second screw hole 221 with its tip lower than the cover surface of the second locking cap 2. That is, after the door lock cover is mounted, the bolt head 31 is sunk into the first screw hole 121 and is completely embedded into the first screw hole 121, so that the bolt head 31 can be better hidden, and the door lock cover is more attractive, and meanwhile, the first housing 6 is convenient to mount. Similarly, after the door lock cover is installed, the screw head 51 is completely embedded into the second screw head hole 221, so that the screw head 51 can be better hidden, the door lock cover is more attractive, and meanwhile, the installation of the second housing 7 is facilitated.

As shown in fig. 1, 2 and 5, the bolt head 31 is provided with a first operation engagement portion 311 for engaging an operation tool to screw the connecting bolt 3, and the screw head 51 is provided with a second operation engagement portion 511 for engaging an operation tool to screw the screw 5. By providing the first operation engagement portion 311 and the second operation engagement portion 511, when the user installs or removes the door lock cover, it is easier and more convenient to tighten or loosen the connecting bolt 3 and the screw 5, and the tightness of the bolt 3 and the screw 5 after tightening by using the tool is also better.

As shown in fig. 1, 2 and 5, the first operation engagement portion 311 is a hexagonal groove, a linear groove or a cross groove, and the second operation engagement portion 511 is a hexagonal groove, a linear groove or a cross groove. Preferably, the first operation matching portion 311 and the second operation matching portion 511 are hexagonal grooves, and when in implementation, a user can select different connecting bolts 3 and screws 5 according to different requirements, or design different first operation matching portions 31 and second operation matching portions 511, so long as corresponding functions are conveniently realized.

As shown in fig. 1, 6 and 7, the first locking cover 1 and the second locking cover 2 are made of plastic materials, and compared with common metal locking covers in the market, the locking covers made of plastic materials are low in cost, easy to open and produce in batch, and light in weight, so that the locking covers are convenient to produce in batch. The first shell 6 and the second shell 7 are made of stainless steel, and the stainless steel shell cover is combined on the lock cover, so that the lock is attractive in appearance, waterproof and rust-proof on the other hand, good in durability and capable of protecting the inner structure of the door lock better. The first lock cover 1 and the second lock cover 2 are square or round with the same shape and size. During implementation, the first lock cover 1 and the second lock cover 2 can be set to be in the same shape according to different door lock models, such as square, round, oval and the like which are common in the market, so as to adapt to different door locks, and the door lock has wide application range and good practicability.

The preferred installation mode of the scheme is that the connecting bolt 3 is inserted into the first countersunk through hole 12 from the cover surface of the first lock cover 1, then penetrates out of the first countersunk through hole 12, is inserted into the second countersunk through hole 22 from the cover bottom of the second lock cover 2 until the bolt head 31 is completely embedded into the first countersunk through hole 12, at the moment, the limiting part 32 and the limiting hole 122 are clamped and limited to prevent the connecting bolt 3 from rotating in the first countersunk through hole 12, then the screw 5 is inserted from the cover surface of the second lock cover 2, the threaded rod 52 of the screw 5 penetrates into the second countersunk through hole 22 and then is in threaded connection with the internal threaded channel 34 of the connecting bolt 3, finally, the first shell 6 is covered on the first lock cover 1, and the second shell 7 is covered on the second lock cover 2, so as to finish the installation. If the door lock cover is required to be detached, the door lock cover is correspondingly detached according to the mounting steps. Of course, the installation mode is a preferable installation mode, and a user can select an installation mode suitable for the user when the corresponding function of the door lock can be realized.

As described above, the present disclosure protects a door lock cover structure, and all technical schemes which are the same as or similar to the present disclosure should be shown as falling within the protection scope of the present disclosure.

Claims (10)

1. A door lock locking closure structure which characterized in that: including the same and symmetry first locking closure (1) and second locking closure (2) that set up of shape size, be equipped with first through-hole (11) in the middle of first locking closure (1), be equipped with second through-hole (21) in the middle of second locking closure (2), still be equipped with first countersunk head through-hole (12) on first locking closure (1), be equipped with second countersunk head through-hole (22) on second locking closure (2), install connecting bolt (3) in first countersunk head through-hole (12), be equipped with between connecting bolt (3) and first countersunk head through-hole (12) and prevent connecting bolt (3) pivoted circumference limit structure, penetrating second countersunk head through-hole (22) behind connecting bolt (3) pass first countersunk head through-hole (12), thereby install screw (5) fixedly connected first locking closure (1) and second locking closure (2) with connecting bolt (3) in second countersunk head through-hole (22).

2. The door lock cover structure according to claim 1, wherein: the first countersunk through holes (12) are respectively and symmetrically arranged on two sides of the first through hole (11), the second countersunk through holes (22) are respectively and symmetrically arranged on two sides of the second through hole (21), and the connecting bolts (3) and the screws (5) are respectively and correspondingly arranged.

3. The door lock cover structure according to claim 1, wherein: the first lock cover (1) is covered with a first shell (6), and the second lock cover (2) is covered with a second shell (7).

4. A door lock cover structure according to any one of claims 1 to 3, wherein: the first countersunk through hole (12) comprises a first screw hole (121) distributed along the axial direction of the first screw hole, a limiting hole (122) located at the lower end of the first screw hole (121) and a first connecting hole (123) located at the lower end of the limiting hole (122), the connecting bolt (3) comprises a bolt head (31), a limiting part (32) located at the lower end of the bolt head (31) and a screw rod (33) located at the lower end of the limiting part (32), the circumferential limiting structure comprises the limiting hole (122) and the limiting part (32), and the limiting part (32) penetrates into the limiting hole (122) and is clamped to prevent the connecting bolt (3) from rotating in the first countersunk through hole (12).

5. The door lock cover structure according to claim 4, wherein: the screw rod (33) is provided with an internal thread channel (34), the screw (5) comprises a screw head (51) and a threaded rod (52), the second countersunk through hole (22) comprises a second screw head hole (221) and a second connecting hole (222), the screw rod (33) penetrates into the second connecting hole (222), and the threaded rod (52) penetrates into the second connecting hole (222) after penetrating into the second screw head hole (221) to be connected into the internal thread channel (34) in a threaded mode.

6. The door lock cover structure according to claim 5, wherein: the cross section of the limiting part (32) is regular hexagon, and the cross section of the limiting hole (122) is regular hexagon matched with the limiting part (32).

7. The door lock cover structure according to claim 6, wherein: the bolt head (31) is buried in the first screw head hole (121) and the top end of the bolt head is lower than the cover surface of the first locking cover (1), and the bolt head (51) is buried in the second screw head hole (221) and the top end of the bolt head is lower than the cover surface of the second locking cover (2).

8. The door lock cover structure according to claim 7, wherein: the bolt head (31) is provided with a first operation matching part (311) for matching with an operation tool to screw the connecting bolt (3), and the screw head (51) is provided with a second operation matching part (511) for matching with the operation tool to screw the screw (5).

9. The door lock cover structure according to claim 8, wherein: the first operation matching part (311) is a hexagonal groove, a straight groove or a cross groove, and the second operation matching part (511) is a hexagonal groove, a straight groove or a cross groove.

10. A door lock cover structure according to claim 3, wherein: the first lock cover (1) and the second lock cover (2) are made of plastic materials, the first shell (6) and the second shell (7) are made of stainless steel materials, and the first lock cover (1) and the second lock cover (2) are square or round with the same shape and size.