CN211422120U

CN211422120U - Door lock

Info

Publication number: CN211422120U
Application number: CN201922125314.5U
Authority: CN
Inventors: 胡利恒
Original assignee: Zhongshan Olang Metal Products Co ltd
Current assignee: Guangdong Oulang Security Technology Co.,Ltd.
Priority date: 2019-12-02
Filing date: 2019-12-02
Publication date: 2020-09-04
Anticipated expiration: 2029-12-02

Abstract

The application provides a door lock, including lock shell, guide part, lock core and lock core mounting, the lock shell is equipped with accommodating space, and the guide part sets firmly in the lock shell, and the lock core sets up in the lock shell, and the lock core is equipped with the fixed orifices, and the lock core mounting includes main part and fixed part, and the fixed part sets up in the main part, and the main part cooperates with the guide part, and the relative guide part of main part is movable to be set up in accommodating space, and the fixed part card is located in the fixed orifices. The application provides a lock core mounting of lock sets up in accommodating space movably for the fixed part can be fixed fast to the lock core, and makes things convenient for the dismouting lock core.

Description

Door lock

Technical Field

The application relates to a tool to lock technical field particularly, relates to lock.

Background

At present lock is more and more popular in the life, and the lock core of most lock sets up in the lock shell via the lock core mounting hole, in order to realize the fixed to the lock core, generally need fix the lock core through the fastener, for example: realize the fixed to the lock core through bolted connection lock core and lock shell, at fixed in-process, need wear to locate whole lock core with the bolt and need break away from the lock core with the bolt fastening through the mounting with the bolt for very loaded down with trivial details in whole installation, be unfavorable for carrying out the dismouting fast to the lock core.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a door lock to solve the problems.

The embodiment of the application realizes the aim through the following technical scheme.

The embodiment of the application provides a door lock, including lock shell, guide part, lock core and lock core mounting, the lock shell is equipped with accommodating space, and the guide part sets firmly in the lock shell, and the lock core sets up in the lock shell, and the lock core is equipped with the fixed orifices, and the lock core mounting includes main part and fixed part, and the fixed part is provided with the main part, and the main part cooperates with the guide part, and the relative guide part of main part is movable to be set up in accommodating space, and the fixed part card is established with the fixed orifices.

In some embodiments, the body is provided with a strip-shaped hole, and the guide part is embedded in the strip-shaped hole.

In some embodiments, the guide portion includes a first peripheral wall and a second peripheral wall, the first peripheral wall is connected to an end face of the second peripheral wall, and an inner diameter of the first peripheral wall is smaller than an inner diameter of the second peripheral wall, so that the end face of the second peripheral wall becomes a torus, and the main body is attached to the torus.

In some embodiments, the length of the strip-shaped hole is greater than the length of the fixing portion extending into the fixing hole.

In some embodiments, the cylinder fixture further includes a connecting portion provided to the body and configured to be connected to the lock case.

In some embodiments, the connecting portion is provided with a threaded hole, and the lock housing is provided with a mounting hole that mates with the threaded hole. In some embodiments, the lock cylinder fixing member further includes a plate body connected to a side of the main body facing the lock cylinder and bent with respect to the main body, and the fixing portion is disposed on the plate body.

In some embodiments, the door lock further includes a limiting member, the limiting member is fixedly disposed on the lock case, and the limiting member is disposed between the main body and the lock case and is used for limiting the installation position of the main body.

In some embodiments, the fixation portion comprises a sidewall, the edge of the sidewall being chamfered.

In some embodiments, the fixation hole is a blind hole.

Compared with the prior art, the lock core fixing piece of the door lock is movably arranged in the accommodating space, so that the fixing part can quickly fix the lock core and is convenient to disassemble and assemble the lock core.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is an assembly structure diagram of a door lock provided in an embodiment of the present application in a first state.

Fig. 2 is a schematic structural diagram of a door lock provided in an embodiment of the present application in a disassembled state.

Fig. 3 is a schematic structural diagram of a lock cylinder of a door lock provided in an embodiment of the present application.

Fig. 4 is a partially enlarged view of a portion a in fig. 1.

Fig. 5 is an assembly structure diagram of a door lock provided by the embodiment of the present application in a second state.

Fig. 6 is a schematic structural diagram of a lock cylinder fixing piece of a door lock provided in an embodiment of the present application.

Fig. 7 is a partially enlarged view at B in fig. 6.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Referring to fig. 1, an embodiment of the present invention provides a door lock 100, which includes a lock case 110, a guide portion 120, a lock cylinder 130, and a lock cylinder fixing member 140.

Referring to fig. 1 and 2, the lock case 110 has an accommodating space 111; the guiding part 120 is fixedly arranged on the lock shell 110; the lock cylinder 130 is arranged on the lock shell 110, and the lock cylinder 130 is provided with a fixing hole 131 (shown in fig. 3); the key cylinder fixing member 140 includes a main body 141 and a fixing portion 142, the fixing portion 142 is disposed on the main body 141, the main body 141 is engaged with the guiding portion 120, the main body 141 is movably disposed in the accommodating space 111 relative to the guiding portion 120, and the fixing portion 142 is clamped in the fixing hole 131.

The lock cylinder fixing member 140 of the door lock 100 provided in the embodiment of the present application is movably disposed in the accommodating space 111, so that the fixing portion 142 can quickly fix the lock cylinder 130, and the lock cylinder 130 is convenient to disassemble and assemble.

Referring to fig. 2, in the present embodiment, the lock case 110 includes a side plate 112 and a bottom plate 113, the side plate 112 surrounds an edge of the bottom plate 113 and forms an accommodating space 111, wherein the lock case 110 is a structure after a cover plate (not shown) is removed, and the cover plate is used for covering the accommodating space 111. The side plate 112 is provided with a bolt hole 115 for the bolt to stretch, the bolt hole 115 penetrates through the side plate 112 and is communicated with the accommodating space 111, and the structural size of the bolt hole 115 is matched with the structure of the bolt. The number of the bolt holes 115 can be 1, 2 or more, wherein, a plurality means more than 2, and different bolt holes 115 can be used for different types of bolts to extend and retract. The shape of the latch hole 115 may be configured as a circle, an ellipse, a waist circle, a polygon, or any other shape.

In this embodiment, the lock case 110 is provided with a key cylinder mounting hole 116, and the key cylinder mounting hole 116 is used for mounting the key cylinder 130. The key cylinder mounting hole 116 penetrates the base plate 113 and communicates with the receiving space 111.

As shown in fig. 1 and 2, the key cylinder 130 may be disposed on the lock case 110 through the key cylinder mounting hole 116, the key cylinder 130 is accommodated in the accommodating space 111, and the key hole of the key cylinder 130 is exposed to the outer surface 1311 of the lock case 110 and is flush with the outer surface 1311. As shown in fig. 3, the lock cylinder 130 includes a toggle wheel 132, the toggle wheel 132 being in driving engagement with the deadbolt. When the key is inserted into the key hole of the key cylinder 130 and rotated, the key can drive the toggle wheel 132 to rotate during the rotation process, and the toggle wheel 132 can drive the bolt to extend out or retract into the bolt hole 115 during the rotation process, so that the unlocking and locking functions of the door lock 100 are realized.

Referring to fig. 3, in the present embodiment, the key cylinder 130 includes an unlocking portion 133 and an extending portion 134, wherein the unlocking portion 133 is a cylinder structure, the extending portion 134 is a plate structure, the extending portion 134 is connected to an outer wall of the unlocking portion 133 and protrudes toward a radial direction of the unlocking portion 133, a key hole of the key cylinder 130 is disposed in the unlocking portion 133, and an axial direction of the key hole is substantially parallel to an axial direction of the unlocking portion 133. The fixing hole 131 is provided in the extending portion 134, and the axial direction of the fixing hole 131 is substantially perpendicular to the axial direction of the unlocking portion 133. The shape of the fixing hole 131 may be a circle, an ellipse, a semi-ellipse, or other shapes. The fixing hole 131 may be provided at a middle position of the extension part 134, or a distance between the center of the fixing hole 130 and the end surface of the unlocking part 133 may be greater than or equal to 1/2 of the length of the unlocking part 133.

In the present embodiment, the fixing hole 131 is a blind hole, i.e. the fixing hole 131 does not penetrate through the extending portion 134. In some embodiments, the fixing hole 131 may also be provided in the form of a through hole.

In the present embodiment, the axial direction of the fixing hole 131 is substantially parallel to the axial direction of the latch hole.

Referring to fig. 2 and 4, in the present embodiment, the guiding portion 120 is fixed to the bottom plate 113 of the lock case 110 by welding, clamping, screwing or embedding. The guide part 120 is a coaxial cylinder nesting structure, the guide part 120 comprises a first peripheral wall 121 and a second peripheral wall 123, the first peripheral wall 121 is connected with the end surface of the second peripheral wall 123, the inner diameter of the first peripheral wall 121 is smaller than that of the second peripheral wall 123, so that the end surface of the second peripheral wall 123 is a ring surface 122, and a height difference exists between the ring surface 122 and the bottom plate 113. The annulus 122 is planar.

Referring to fig. 4, in the present embodiment, the main body 141 is a plate-shaped structure, the edge of the main body 141 is an irregular structure, the main body 141 is bent toward the side of the lock cylinder 130 for multiple times, different positions of the side of the main body 141 toward the lock cylinder 130 are different from the side plate 112, a portion of the side may be attached to the lock cylinder 130, the fixing portion 142 is a cylindrical structure, and the fixing portion 142 is connected to the side of the main body 141 toward the lock cylinder 130 in a welding, clamping or threaded connection manner, or both may be integrally formed. The fixing portion 142 is configured to fit the shape of the fixing hole 131. The inner diameter of the fixing hole 131 may be slightly smaller than the outer diameter of the fixing hole 142, and when the fixing portion 142 is inserted into the fixing hole 131, the fixing portion 142 and the fixing hole may be fastened in an interference fit manner to fix the lock cylinder 130.

In some embodiments, the fixing portion 142 and the key cylinder 130 can be fixed by clamping; the radial dimension of the fixing portion 142 in the axial direction of the fixing hole 131 may be equal everywhere. In some embodiments, the radial dimension of the fixing portion 142 in the axial direction of the fixing hole 131 may gradually increase, for example, the radial dimension of the fixing portion 142 gradually increases toward a direction away from the fixing hole 131, so that the fixing portion 142 is easily inserted into the fixing hole 131.

Referring to fig. 2 and fig. 4, in the present embodiment, the main body 141 is provided with a strip-shaped hole 1411, the strip-shaped hole 1411 is disposed in the middle of the main body 141, the guiding portion 120 is embedded in the strip-shaped hole 1411, the main body 141 is disposed on the ring surface 122, and the fixing portion 142 faces the fixing hole 131 of the key cylinder 130. The main body 141 is attached to the ring surface 122 near the strip-shaped hole 1411, and the main body 141 can slide relative to the ring surface 122. The body 141 can be supported on the guide portion 120 by the ring surface 122, so that a space is formed between the body 141 and the bottom plate 113, and the space area formed between the body 141 and the bottom plate can be used for accommodating other components of the door lock 100, thereby effectively avoiding interference between the body 141 and the other components.

When the key cylinder holder 140 is in an unfixed state, the key cylinder holder 140 is movable relative to the guide portion 120, and the guide portion 120 is fitted in the strip-shaped hole 1411 to guide the key cylinder holder 140. In order to allow the fixing portion 142 of the key cylinder fixing member 140 to be well fitted into the fixing hole 131, the distances between the fixing portion 142 and the fixing hole 131 are substantially the same with respect to the bottom plate 113.

Referring to fig. 1 and 5, the key cylinder holder 140 is movable along the axis of the fixing hole 131 (in the direction indicated by X in fig. 5), and when the key cylinder holder 140 moves toward the key cylinder 130, the fixing portion 142 of the key cylinder holder 140 can be directly inserted into the fixing hole 131. When the key cylinder fixing member 140 moves toward the key cylinder 130, the fixing portion 142 can be directly inserted into the fixing hole 131 to quickly fix the key cylinder 130; when the key cylinder fixing member 140 moves away from the key cylinder 130, the fixing portion 142 can be separated from the fixing hole 131, so that the key cylinder fixing member 140 and the key cylinder 130 can be detached.

In some embodiments, the length of the strip-shaped hole 1411 may be greater than the length of the fixing portion 142 extending into the fixing hole 131, since the maximum displacement of the movement of the key cylinder fixing member 140 is substantially equal to the length of the strip-shaped hole 1411, when the fixing portion 142 needs to be separated from the fixing hole 131, it needs to be ensured that the distance of the movement of the key cylinder fixing member 140 toward the direction away from the fixing hole 131 is greater than or equal to the length of the fixing portion 142 extending into the fixing hole 131, and by setting the length of the strip-shaped hole 1411 to be greater than the length of the fixing portion 142 extending into the fixing hole 131, when the movement of the key cylinder fixing member 140 toward the direction away from the key cylinder 130 can be ensured. In some embodiments, the length of the strip-shaped hole 1411 may be substantially equal to the length of the fixing portion 142 extending into the fixing hole 131.

In some embodiments, as shown in fig. 6, the key cylinder fixing member 140 may further include a plate body 145, and the plate body 145 may be connected to a side of the main body 141 facing the key cylinder 130 and bent with respect to the main body 141, and the bending angle may be less than or equal to 90 °, for example: the angle of the bend is substantially 90. The fixing portion 142 may be provided on a surface of the plate body 145 facing the key cylinder 130. By providing the fixing portion 142 at a position of the plate body 145 having a different height from the bottom plate 113, the distance between the fixing portion 142 and the bottom plate 113 can be adjusted to be substantially equal to the distance between the center of the fixing hole 131 and the bottom plate 113.

In some modes, as shown in fig. 7, a chamfer 1421 may be provided at an edge of a side wall of the fixing portion 142, and a burr at the edge of the fixing portion 142 may be removed by providing the chamfer 1421, so that when the fixing portion 142 is inserted into the fixing hole 131, an interference phenomenon between the fixing portion 142 and the key cylinder due to the burr may be avoided, and meanwhile, the chamfer 1421 may be provided to perform a guiding and positioning function when the fixing portion and the key cylinder are assembled.

Referring to fig. 2 and 5, in the present embodiment, the key cylinder fixing member 140 further includes a connecting portion 143, the connecting portion 143 is disposed on the main body 141 and is used for connecting with the lock case 110, the connecting portion 143 is a cylindrical structure, and the connecting portion 143 and the fixing portion 142 are disposed at intervals and are both disposed on a side of the main body 141 facing the key cylinder 130. In this embodiment, the connecting portion 143 has a threaded hole 1431, and the lock case 110 has a mounting hole engaged with the threaded hole 1431. After the fixing portion 142 of the key cylinder fixing member 140 is inserted into the fixing hole 131 of the key cylinder 130, for example, screws or bolts are sequentially inserted into the mounting hole and the threaded hole 1431 to fix the key cylinder fixing member 140 and the lock case 110, and the key cylinder fixing member 140 is fixed to the lock case 110, so that the phenomenon that the fixing portion 142 is separated from the fixing hole 131 of the key cylinder 130 during the use process can be avoided, and the key cylinder 130 is more stably fixed to the lock case 110.

In some embodiments, as shown in fig. 1 and 2, the door lock 100 may further include a limiting member 150, the limiting member 150 is fixedly disposed on the lock case 110, and the limiting member 150 is located between the main body 141 and the lock case 110 and may be used to limit an installation position of the main body 141, and the limited installation position may be a height between the limiting member 150 and the bottom plate 113. As an example, the limiting member 150 includes a first limiting portion 151 and a second limiting portion 152, the first limiting portion 151 is disposed on the bottom plate 113, the second limiting portion 152 may be disposed on a cover plate of the lock case 110, and the first limiting portion 151 and the second limiting portion 152 together enclose a limiting hole for the connecting portion 143 to pass through. During installation, the connecting portion 143 can penetrate through the limiting hole to be connected with the lock case 110, the first limiting portion 151 is located between the lock case 110 and the connecting portion 143, the limiting member 150 can support and limit the lock cylinder fixing member 140 to a certain extent, the limiting member 150 can limit the height of the lock cylinder fixing member 140 from the bottom plate 113, and meanwhile, the limiting member 150 and the ring surface 122 of the guide portion 120 can be supported on different portions of the main body 141 respectively to form a stable supporting effect on the lock cylinder fixing member 140.

In summary, the key cylinder fixing member 140 of the door lock 100 provided in the embodiment of the present application is movably disposed in the accommodating space 111, so that the fixing portion 142 can quickly fix the key cylinder 130 or conveniently disassemble and assemble the key cylinder 130.

The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.

Claims

1. A door lock, comprising:

the lock shell is provided with an accommodating space;

the guide part is fixedly arranged on the lock shell;

the lock cylinder is arranged on the lock shell and provided with a fixing hole; and

the lock cylinder fixing piece comprises a main body and a fixing portion, the fixing portion is arranged on the main body, the main body is matched with the guide portion, the main body is movably arranged in the accommodating space relative to the guide portion, and the fixing portion is clamped in the fixing hole.

2. The door lock according to claim 1, wherein the body is provided with a bar-shaped hole, and the guide portion is embedded in the bar-shaped hole.

3. The door lock of claim 2, wherein the guide portion includes a first peripheral wall and a second peripheral wall, the first peripheral wall is connected to an end surface of the second peripheral wall, an inner diameter of the first peripheral wall is smaller than an inner diameter of the second peripheral wall, so that the end surface of the second peripheral wall becomes a torus, and the body is attached to the torus.

4. The door lock of claim 2, wherein the length of the strip-shaped hole is greater than the length of the fixing portion extending into the fixing hole.

5. The door lock of claim 1, wherein the cylinder holder further comprises a connecting portion provided to the body and adapted to be connected to the lock case.

6. A door lock according to claim 5, wherein the connecting portion is provided with a threaded bore and the lock housing is provided with a mounting hole for engagement with the threaded bore.

7. The door lock of claim 1, wherein the lock cylinder fixing member further comprises a plate body connected to a side of the body facing the lock cylinder and bent with respect to the body, and the fixing portion is disposed on the plate body.

8. The door lock of claim 1, further comprising a stop member fixed to the lock housing, the stop member being located between the main body and the lock housing and defining an installation position of the main body.

9. The door lock of claim 1, wherein the retainer portion comprises a sidewall having a chamfer disposed at an edge of the sidewall.

10. The door lock of claim 1, wherein the fixing hole is a blind hole.