CN211422172U

CN211422172U - Door lock

Info

Publication number: CN211422172U
Application number: CN201922126297.7U
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 the lock shell, guide and spring bolt fixed part, the guide includes guide part and anticreep portion, the guide includes the outer wall, anticreep portion is connected with the guide part, and set up around the outer wall, the spring bolt fixed part is provided with the bar hole and puts the hole, the internal diameter of putting the hole is greater than the width in bar hole, the guide part card is located the bar hole and is slided and set up in the bar hole, anticreep portion stretches into and slides from putting the hole and set up in the bar hole, the size in the width direction in the edge bar hole of anticreep portion is greater than the width in bar hole and is less than the internal diameter of putting the hole, in order to prevent that. The application provides a spring bolt fixed part of lock is equipped with the bar hole and puts into the hole, and the guide can stretch into and slide by putting into the hole and set up in the bar downthehole to guide the spring bolt fixed part, simultaneously, because the width in the width direction in the edgewise shape hole of anticreep portion is greater than the width in bar hole, can prevent that anticreep portion from breaking away from the bar hole, be convenient for realize quick assembly disassembly between the two.

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, the spring bolt fixed part of most lock slides and sets up in the lock shell and is connected with the spring bolt, the spring bolt fixed part drives the spring bolt at the slip in-process and makes a round trip to stretch out and draw back, generally need lead to the spring bolt fixed part through the guide, in order to guarantee that the spring bolt can stretch out and draw back along the axial in spring bolt hole at the slip in-process, because the structural constraint of current spring bolt fixed part, when realizing leading to the spring bolt fixed part, need adopt the mounting alone to fix the spring bolt fixed part, and simultaneously, be not convenient for carry out dismouting fast to the spring bolt fixed part.

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, which comprises a lock shell, a guide piece and a bolt fixing part, wherein the guide piece is arranged on the lock shell and comprises a guide part and an anti-falling part; the spring bolt fixed part is provided with the bar hole and puts into the hole, and the bar hole link up with putting into the hole, and the internal diameter of putting into the hole is greater than the width in bar hole, and the bar hole is located to the guide part card and slides and set up in the bar hole, and anticreep portion stretches into and slides from putting into the hole and set up in the bar hole, and the size in the width direction in the edge bar hole of anticreep portion is greater than the width in bar hole to prevent that the guide from breaking away from the bar hole.

In some embodiments, the center of the insertion hole is located on a symmetrical line of the width direction of the bar-shaped hole.

In some embodiments, the outer portion is provided with a circumferential groove, and the bolt securing portion extends partially into the circumferential groove.

In some embodiments, the bolt fixing portion includes a first surface and a second surface that deviate from each other, and the bar-shaped hole runs through first surface and second surface, and first surface offsets with the fixed portion.

In some embodiments, the maximum sliding displacement of the tongue securing portion is less than or equal to the length of the slotted aperture.

In some embodiments, the lock case is provided with a sliding guide portion, and the bolt securing portion is provided with an engaging portion engaged with the sliding guide portion.

In some embodiments, the sliding guide portion is a guide slot, and the mating portion is a guide post slidably disposed in the guide slot.

In some embodiments, the door lock includes a stop plate disposed in the lock housing and located in a sliding direction of the bolt securing portion, and the bolt securing portion selectively abuts against the stop plate during sliding.

In some embodiments, the door lock further includes an elastic member having both ends respectively connected to the lock case and the bolt securing portion to restore the bolt securing portion.

In some embodiments, the door lock further includes a driving mechanism disposed in the lock housing and in driving engagement with the bolt securing portion to drive the bolt securing portion to extend and retract.

Compared with the prior art, the spring bolt fixed part that this application embodiment provided is through setting up the bar hole and putting into the hole, during the installation, the guide can stretch into and slide by putting into the hole and set up in the bar downthehole to guide the spring bolt fixed part, simultaneously, because the width in the width direction in the edge bar hole of anticreep portion is greater than the width in bar hole, break away from the bar hole in order to prevent anticreep portion, during the dismantlement, the guide can be put into the hole and break away from putting into the hole by the bar hole slip-in can, alright dismantle fast in order to realize.

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 a schematic structural diagram of a door lock provided in an embodiment of the present application in an assembled 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 cross-sectional view of a guide of a door lock according to an embodiment of the present application.

Fig. 4 is a cross-sectional view of another guide of the door lock according to the embodiment of the present application.

Fig. 5 is a schematic structural view of the door lock according to the embodiment of the present application, at a first viewing angle, after the bolt fixing portion and the bolt are assembled.

Fig. 6 is a schematic structural view of the door lock at a second viewing angle after the bolt fixing portion and the bolt are assembled.

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 and 2, a door lock 100 according to an embodiment of the present invention includes a lock housing 110, a guide 120, and a bolt fastening portion 130.

The guide 120 is disposed on the lock case 110, the guide 120 includes a guide portion 121 and a retaining portion 122, the guide portion 121 includes an outer wall 1211 (as shown in fig. 3), and the retaining portion 122 is connected to the guide portion 121 and disposed around the outer wall 1211.

Bolt fixed part 130 slides and sets up in lock shell 110, bolt fixed part 130 is provided with bar hole 131 and puts into hole 132, bar hole 131 link up with putting into hole 132, the internal diameter of putting into hole 132 is greater than the width of bar hole 131, guiding part 121 card is located bar hole 131 and is slided and set up in bar hole 131, anticreep portion 122 stretches into and slides from putting into hole 132 and sets up in bar hole 131, the size of the width direction in the edge bar hole 131 of anticreep portion 122 is greater than the width of bar hole 131 to prevent that guide 120 from breaking away from bar hole 131. The latch bolt fixing part 130 is used to fix the latch bolt 140, and the latch bolt 140 may be a latch bolt, a safety bolt, or another type of latch bolt.

The spring bolt fixed part 130 of the door lock 100 provided by the embodiment is provided with the strip-shaped hole 131 and the insertion hole 132, during installation, the guide piece 120 is stretched into and slides in the strip-shaped hole 131 through the insertion hole 132 to guide the spring bolt fixed part 130, and simultaneously, because the dimension of the anti-falling part 122 along the width direction of the strip-shaped hole 131 is greater than the width of the strip-shaped hole 131, so as to prevent the anti-falling part 122 from being separated from the strip-shaped hole 131, during disassembly, the guide piece 120 is slid into the insertion hole 132 through the strip-shaped hole 131 and separated from the insertion hole 132, so that quick disassembly can be realized.

Referring to fig. 2, in the present embodiment, the lock case 110 includes a side plate 111 and a bottom plate 112, the side plate 111 surrounds the edge of the bottom plate 112 and forms an accommodating cavity 113, and the accommodating cavity 113 is located in an area surrounded by the side plate 111 and the bottom plate 112. The lock case 111 is provided with a bolt hole 111 for the bolt 140 to extend and retract, the bolt hole 111 penetrates through the side plate 111 and penetrates through the accommodating cavity 113, and the structural size of the bolt hole 111 is matched with the structure of the bolt. The number of the bolt holes 111 can be 1, 2 or more, wherein, a plurality means more than 2, and different bolt holes 111 can be used for different types of bolts to extend and retract. The shape of the latch hole 111 may be set to be circular, oval, polygonal, or any other shape.

Referring to fig. 2 and 3, in the present embodiment, the longitudinal section of the guiding element 120 is "T" shaped, wherein the guiding portion 121 is substantially a cylinder. The retaining portion 122 surrounds the outer wall 1211 for a circle and forms an annular structure, and the retaining portion 122 is coaxial with the guide portion 121. In some embodiments, the retaining portion 122 may be disposed coaxially with the guide portion 121, for example, the axis of the retaining portion 122 is spaced from the axis of the guide portion 121, or the retaining portion 122 has different outer diameter dimensions around the axis of the guide portion 121.

The guide portion 121 is disposed on an axis (a Z axis shown in fig. 2) of the latch hole 111, and the guide portion 121 is connected to the bottom plate 112 in a manner of screw connection, snap connection, embedding, or welding. When the guide portion 121 is clamped in the strip-shaped hole 131 and slidably disposed in the strip-shaped hole 131, the guide portion 121 can guide the bolt fixing portion 130, so that the bolt fixing portion 130 can extend and retract along the axial direction of the bolt hole 111 all the time.

The dimension of the retaining portion 122 in the width direction of the strip-shaped hole 131 (i.e., in the direction perpendicular to the axis of the latch hole 111) is larger than the width of the strip-shaped hole 131, so that the retaining portion 122 cannot be released from the strip-shaped hole 131.

In some embodiments, as shown in fig. 4 and 5, the outer wall 1211 of the guide 120 may be provided with an annular groove 123, and the tongue fixing portion 130 may partially protrude into the annular fixing groove 123, and may also maintain a state of partially protruding into the annular fixing groove 123 during the sliding process, so as to further prevent the guide 120 from being separated from the strip hole 131.

Referring to fig. 5 and 6, in the present embodiment, the tongue fixing portion 130 is substantially a rectangular plate-shaped structure, and the middle portion of the tongue fixing portion 130 is hollow, one end of the tongue fixing portion 130 is connected to the tongue 140, and the other end of the tongue fixing portion is disposed on the guide 120, the tongue fixing portion 130 includes a first surface 133 and a second surface 134 facing away from each other, the strip-shaped hole 131 penetrates through the first surface 133 and the second surface 134, wherein the first surface 133 is attached to the bottom plate 112 of the lock case 110, the second surface 134 is located on a side of the tongue fixing portion 130 away from the bottom plate 112, the strip-shaped hole 131 is disposed at the middle portion of the tongue fixing portion 130, a length direction of the strip-shaped hole 131 is substantially parallel to an axial direction of the tongue hole 111, and a width direction of the strip-shaped hole 131 is substantially perpendicular to.

In this embodiment, the insertion hole 132 is a semicircular hole, located at one end of the strip-shaped hole 131 close to the tongue, and penetrates through the tongue fixing portion 130, and the insertion hole 132 and the strip-shaped hole 131 jointly form a hollow structure in the middle. The insertion hole 132 may also be a hole of a waist circle, ellipse, polygon, or any other shape. In this embodiment, the inner diameter of the insertion hole 132 is larger than the outer diameter of the retaining portion 122, so that the retaining portion 122 can be inserted into the strip-shaped hole 131 from the insertion hole 132 and slidably disposed therein.

In this embodiment, the center of the insertion hole 132 is located on a symmetrical line of the width direction of the bar-shaped hole 131, so that the guide 120 extends from the insertion hole 132 and slides into the bar-shaped hole 131 along a substantially straight line. In some embodiments, the center of the insertion hole 132 may not be located on the symmetric line of the width direction of the bar-shaped hole 131, for example, the insertion hole 132 may be disposed on one side of the width direction of the bar-shaped hole 131.

In some embodiments, as shown in fig. 1, the maximum sliding displacement of the dead bolt securing part 130 may be less than or equal to the length of the strip hole 131, so that the guide 120 may always slide within the length range of the strip hole 131 to prevent the guide 120 from directly sliding into the insertion hole 132 and prevent the guide 120 from being disengaged from the insertion hole 132. In order to limit the maximum sliding displacement of the bolt fastening part 130, in some embodiments, the door lock 100 may include a blocking plate 150, the blocking plate 150 is disposed in the lock case 110 and located in the sliding direction of the bolt fastening part 130, the bolt fastening part 130 selectively abuts against the blocking plate 150 during the sliding process, and the maximum sliding displacement of the bolt fastening part 130 can be changed by adjusting the position of the blocking plate 150 in the sliding direction of the bolt fastening part 130. The specific position where the damper plate 150 is disposed is not particularly limited herein.

In some embodiments, as shown in fig. 5, the tongue fixing portion 130 is provided with a side blocking portion 135, wherein the side blocking portion 135 is disposed at a long side of the tongue fixing portion 130 and located outside the tongue fixing portion 130, the side blocking portion 135 can be used to abut against the lock case 111 to limit the tongue fixing portion 130, and in addition, the side blocking portion 135 can also abut against a travel switch disposed on a sliding path of the side blocking portion 135 to detect a telescopic position of the tongue fixing portion 130.

In some embodiments, the second surface 134 may abut against the anti-slip portion 122, where the abutting means that the second surface 134 contacts with a surface of the anti-slip portion 122, but does not obstruct sliding of the bolt fixing portion 130, and by abutting the second surface 134 against the anti-slip portion 122, a gap is prevented from being formed between the second surface 134 and the anti-slip portion 122, so that shaking of the bolt fixing portion 130 during sliding is reduced, and the bolt fixing portion 130 is more stable during the whole sliding process.

In some embodiments, as shown in fig. 1, the door lock 100 further includes an elastic member 152, the elastic member 152 may be made of a material having elasticity, such as rubber or a spring, and both ends of the elastic member 152 are respectively connected to the lock case 110 and the bolt securing part 130 to reset the bolt securing part 130. When the latch tongue 140 is fully extended out of the latch tongue hole 111, the elastic member 152 is in a free state; when the bolt 140 is retracted into the lock case 110 by an external force, the elastic member 152 is in a compressed state; when the external force applied to the latch bolt 140 is removed, the latch bolt fixing portion 130 slides toward the latch bolt hole 111 under the restoring force of the elastic member 152 to drive the latch bolt 140 to extend out of the latch bolt hole 111.

In some embodiments, the door lock 100 further includes a driving mechanism (not shown) disposed in the lock housing 110 and engaged with the bolt fastening portion 130 to drive the bolt to extend and retract. The drive mechanism may be a motor, a mechanism driven by a handle, or a mechanism driven by a mechanical key. For example, when the driving mechanism is a mechanism driven by a mechanical key, the tumbler of the key cylinder of the door lock 100 is in driving engagement with the bolt fixing portion 130, and when a user inserts the key to unlock the door lock, the tumbler of the key cylinder is driven to rotate, and the tumbler drives the bolt to retract into the lock case 110 during the rotation process, so as to unlock the door lock.

In some embodiments, the lock case 110 may further include a sliding guide portion (not shown) for guiding the bolt fixing portion 130, and the bolt fixing portion 130 is provided with a matching portion matched with the sliding guide portion, for example, the sliding guide portion may be a guide groove, the guide groove is disposed along an axial direction of the bolt hole 111, and the matching portion is a guide post, and the guide post is slidably disposed in the guide groove. Further, the fitting portion may be provided in the structure of a guide groove, and accordingly, the sliding guide portion 121 is provided in the structure of a guide post.

To sum up, the bolt fixing portion 130 of the door lock 100 provided in the embodiment of the present application is provided with the strip-shaped hole 131 and the insertion hole 132, and when the door lock is installed, the guide 120 may be inserted into the strip-shaped hole 131 through the insertion hole 132 and slidably disposed in the strip-shaped hole 132 to guide the bolt fixing portion 130; because the size of anticreep portion 122 along the width direction of bar-shaped hole 131 is greater than the width of bar-shaped hole 131 to prevent anticreep portion 122 from breaking away from bar-shaped hole 131, during the dismantlement, guide 120 can be by bar-shaped hole 131 slip-in put into hole 132 and break away from put into hole 132 can, alright in order to realize quick dismantlement.

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:

a lock case;

the guide piece is arranged on the lock shell and comprises a guide part and an anti-falling part, the guide part comprises an outer wall, and the anti-falling part is connected with the guide part and arranged around the outer wall; and

the spring bolt fixed part, the spring bolt fixed part is provided with the bar hole and puts into the hole, the bar hole with it link up to put into the hole, the internal diameter of putting into the hole is greater than the width in bar hole, the guide part card is located the bar hole slides set up in the bar hole, anticreep portion certainly put into the hole stretch into and slide set up in the bar hole, the edge of anticreep portion the width direction's in bar hole size is greater than the width in bar hole to prevent the guide is certainly the bar hole breaks away from.

2. The door lock according to claim 1, wherein the center of the insertion hole is located on a line of symmetry in the width direction of the bar-shaped hole.

3. The door lock of claim 1, wherein the outer wall is provided with an annular groove, the bolt securing portion partially extending into the annular groove.

4. The door lock of claim 1, wherein the bolt fixing portion includes a first surface and a second surface that are away from each other, the strip-shaped hole penetrates through the first surface and the second surface, and the second surface abuts against the anti-falling portion.

5. The door lock of claim 1, wherein the maximum sliding displacement of the bolt securing portion is less than or equal to the length of the strip-shaped aperture.

6. The door lock according to claim 1, wherein the lock case is provided with a sliding guide portion for guiding the bolt securing portion provided with an engaging portion engaged with the sliding guide portion.

7. The door lock of claim 6, wherein the sliding guide is a guide slot and the mating portion is a guide post, the guide post being slidably disposed in the guide slot.

8. The door lock of claim 1, wherein the door lock includes a stop plate disposed within the housing in a sliding direction of the bolt securing portion, the bolt securing portion selectively abutting the stop plate during sliding.

9. The door lock of claim 1, further comprising an elastic member having both ends respectively connected to the lock case and the bolt securing portion to restore the bolt securing portion.

10. The door lock of any one of claims 1-9, further comprising a driving mechanism disposed in the housing and drivingly engaged with the bolt securing portion to extend and retract the bolt securing portion.