CN212573266U - Locking device and shell - Google Patents

Abstract

The application relates to the technical field of shell fixing, in particular to a locking device and a shell. A locking device for connecting a housing, the housing including a first housing and a second housing, the locking device comprising: the first lock frame is used for mounting the first shell; the second lock frame is used for mounting the second shell; the first lock frame can be matched with the second lock frame under the driving of the first shell along the first direction so as to enable the first shell and the second shell to be in a locked state, and the first lock frame can be disengaged from the second lock frame so as to enable the first shell and the second shell to be in an unlocked state.

Description

Locking device and shell

Technical Field

The application relates to the technical field of shell fixing, in particular to a locking device and a shell.

Background

The shell comprises a shell of the component equipment, a shell for packaging and fixing and the like. Usually, the shell is connected through fasteners such as screws and screws or in a viscose mode, and one end of each fastener is exposed out of the outer side of the packaging box, so that the packaging box is not attractive. And for the concatenation position of two fixed casings, still need to set up a plurality of fasteners and fasten or many places bond, the position distributes excessively, and the installation is loaded down with trivial details.

SUMMERY OF THE UTILITY MODEL

The application provides a locking device and a shell, aiming at simplifying the installation operation of the shell and facilitating the disassembly and assembly.

The embodiment of the application provides a locking device for connecting the casing, the casing includes first casing and second casing, locking device includes:

a first lock bracket for mounting the first housing;

a second locking bracket for mounting the second housing;

the first lock frame can be matched with the second lock frame under the driving of the first shell along a first direction so as to enable the first shell and the second shell to be in a locked state, and the first lock frame can be disengaged from the second lock frame so as to enable the first shell and the second shell to be in an unlocked state.

In one possible design, the first lock bracket can drive the second lock bracket to move in a second direction relative to the second housing, so that the first lock bracket and the second lock bracket are in a locked state or an unlocked state.

In one possible design, the first cage includes a first guide;

when the first lock frame moves towards a first direction, the first guide part can be driven to push the second lock frame to move towards the positive direction of a second direction, so that the first lock frame moves to a position matched with the second lock frame;

the second lock frame is provided with an avoiding part matched with the first guide part, and when the first guide part moves to the avoiding part, the second lock frame moves in the reverse direction of the second direction to be matched with the first lock frame.

In one possible design, the first guide part is provided with a first guide surface;

the first lock frame pushes the second lock frame to move in the second direction along the first guide surface.

In a possible design, the locking device includes a first limiting member, the second lock frame is provided with a first limiting hole, the first limiting hole extends along a second direction, and one end of the first limiting member passes through the first limiting hole and is fixed to the second housing, so as to mount the second lock frame to the second housing;

when the first lock frame is matched with the second lock frame, the first limiting piece can move relative to the first limiting hole.

In one possible design, the first lock bracket further comprises a pushing member connected to the second lock bracket and capable of moving relative to the second lock bracket;

the locking device also comprises a first elastic piece, and two ends of the first elastic piece are respectively abutted with the pushing piece and the second lock frame;

when the first lock frame is matched with the second lock frame, the second lock frame can overcome the elastic force of the first elastic piece to move towards the positive direction of the second direction;

under the action of the resilience of the first elastic piece, the second lock frame can move towards the reverse direction of the second direction.

In one possible design, the pushing member includes a threaded section through which the pushing member and the second lock bracket are connected;

the locking device further comprises a nut, and the nut is connected with the second lock frame;

rotating the pushing piece, wherein the pushing piece can be matched with the nut to connect the first lock frame and the second lock frame;

when the pushing piece is pushed in the forward direction of the second direction, the pushing piece can drive the second lock frame to move in the forward direction of the second direction through the nut, so that the first lock frame and the second lock frame are in a locked state, and when the first shell is pulled in the first direction, the second lock frame and the first lock frame are unlocked.

In a possible design, the locking device further includes a second elastic member, and both ends of the second elastic member respectively abut against the top wall of the second housing and the second lock frame;

when the first lock frame is matched with the second lock frame, the second lock frame can overcome the elastic force of the second elastic piece to move towards the positive direction of the second direction;

the second lock frame can move towards the reverse direction of the second direction under the resilience action of the second elastic piece;

the first elastic piece and the second elastic piece are distributed at two ends of the second lock frame along a second direction.

In one possible design, the first lock frame includes a plurality of first latch teeth and the second lock frame includes a plurality of second latch teeth;

when the first lock frame is connected with the second lock frame, the first lock teeth are meshed with the second lock teeth.

In a possible design, the first lock frame further includes a second guide portion, the second guide portion is located between adjacent first locking teeth, and a gap is provided between the second guide portion and the adjacent first locking teeth;

the second locking tooth can move along the second guide part to be unlocked with the first locking tooth.

In a possible design, the second lock frame further includes a third guide portion, the third guide portion is located between adjacent second lock teeth, and a gap is formed between the third guide portion and the adjacent second lock teeth;

the first locking tooth is movable along the third guide portion to cooperate with the second locking tooth.

In a possible design, the locking device is provided with a second limiting member, one end of the second limiting member is fixed to the second housing, and the other end of the second limiting member passes through the second lock frame;

the first lock frame is provided with a second limiting hole matched with the second limiting part, and when the first lock frame moves towards the second lock frame, the second limiting part can move along the second limiting hole to limit the movement track of the first lock frame.

An embodiment of the present application further provides a housing, the housing includes:

a first housing;

a second housing;

a locking device, the locking device being the locking device described above;

wherein the locking device is used for connecting the first shell and the second shell.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

FIG. 1 is a schematic structural view of a locking device provided herein in one embodiment;

FIG. 2 is a schematic view of the locking device of FIG. 1 mounted to a housing;

fig. 3 is a schematic view of a connection structure of a first housing and a first lock frame provided in the present application;

fig. 4 is a schematic view of a connection structure between a second housing and a second lock frame provided in the present application;

FIG. 5 is an enlarged view of portion A of FIG. 2;

FIG. 6 is a schematic structural view of a locking device provided herein;

FIG. 7 is an enlarged view of portion B of FIG. 6;

FIG. 8 is an enlarged view of the portion C of FIG. 6;

fig. 9 is a schematic structural view of a first lock frame provided in the present application;

fig. 10 is a schematic structural diagram of a second lock frame provided in the present application.

Reference numerals:

1-a shell;

11-a first housing;

111-a mounting frame;

12-a second housing;

121-a first stopper;

122-a second stop;

13-a locking device;

131-a first lock frame;

131 a-a first guide;

131a 1-first guide surface;

131 b-a pusher;

131c — first latch tooth;

131c 1-first abutment surface;

131c 2-first arc;

131 d-a second guide;

131d 1-second guide surface;

131 e-a second limiting hole;

132-a second lock frame;

132 a-an avoidance portion;

132 b-first limiting aperture;

132 c-second latch tooth;

132c1 — a second abutment face;

132c2 — second arc;

132 d-third guide;

132d1 — third guide surface;

14-a first elastic member;

15-a nut;

16-a second elastic member;

17-guide bar.

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.

Detailed Description

For better understanding of the technical solutions of the present application, the following detailed descriptions of the embodiments of the present application are provided with reference to the accompanying drawings.

It should 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.

The terminology used in the embodiments of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the examples of this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

It should be noted that the terms "upper", "lower", "left", "right", and the like used in the embodiments of the present application are described in terms of the angles shown in the drawings, and should not be construed as limiting the embodiments of the present application. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element via an intermediate element.

As shown in fig. 1, the embodiment of the present application provides a housing 1, where the housing 1 may be a housing of a component device, such as a medical device, an electronic device, and the like, and the housing 1 may be provided with a display screen and an operation component, for controlling the component device in the housing to work. The housing 1 may also be a housing 1 for packaging, carrying, or securing objects. Wherein the housing 1 comprises a first housing 11, a second housing 12 and a locking device 13, the locking device 13 being used to connect the first housing 11 and the second housing 12.

It should be noted that the first direction Y, the second direction Z and the third direction X in the present embodiment are all based on the orientation when the housing 1 is in the assembled state. As shown in fig. 1, the first direction Y is a mounting direction of the first housing 11 and the second housing 12, that is, the first direction Y is a longitudinal direction or a width direction of the housing 1, the second direction Z is a height direction of the housing 1, and the third direction X is a width direction or a length direction of the housing 1.

As shown in fig. 2 to 4, the locking device 13 includes a first lock bracket 131 and a second lock bracket 132, the first lock bracket 131 is mounted to the first housing 11, and the second lock bracket 132 is mounted to the second housing 12; along the first direction Y, under the driving of the first housing 11, the first lock frame 131 can be clamped to the second lock frame 132, so that the first housing 11 and the second housing 12 are in a locked state, and the first lock frame 131 can be disengaged from the second lock frame 132, so that the first housing 11 and the second housing 12 are in an unlocked state.

In this embodiment, when the housing 1 is assembled, the first housing 11 is pushed in the first direction Y to move toward the second housing 12, so that the first locking frame 131 on the first housing 11 is matched with the second locking frame 132 on the second housing 12, and the first housing 11 is locked with the second housing 12, which is simple in installation operation. When the first lock frame 131 is disengaged from the second lock frame 132, the first housing 11 and the second housing 12 are unlocked, so that the first housing 11 and the second housing 12 are detached, and the components in the housing 1 are maintained and detected. The first lock bracket 131 is disposed inside the first housing 11, the second lock bracket 132 is also disposed inside the second housing 12, and after the first housing 11 and the second housing 12 are connected, the first lock bracket 131 and the second lock bracket 132 can be hidden inside the housing 1.

Further, the housing 1 may further include a third housing, the third housing and the first housing 11 are oppositely disposed at two ends of the second housing 12 along the first direction Y, and the structure of the third housing may be the same as that of the first housing 11, that is, the third housing is mounted with the first locking frame 131, and correspondingly, the two ends of the second housing 12 are mounted with the second locking frames 132, so as to be connected to the first housing 11 and the third housing. In this embodiment, the housing 1 may be divided into a plurality of parts, and the parts are connected by the locking device 13 so as to assemble and disassemble the housing 1.

As shown in fig. 2 to 4, the second lock bracket 132 is movable in the second direction Z relative to the second housing 12 to achieve locking with the first lock bracket 131 or unlocking from the first lock bracket 131. Specifically, when the first housing 11 is pushed to be mounted on the second housing 12, the first lock frame 131 can drive the second lock frame 132 to move in the forward direction of the second direction Z relative to the second housing 12, so that the first lock frame 131 moves to a position where the second lock frame 132 is engaged, and the second lock frame 132 moves in the reverse direction of the second direction Z relative to the second housing 12, so that the second lock frame 132 is engaged with the first lock frame 131, so that the first lock frame 131 and the second lock frame 132 are in a locked state, thereby fixedly mounting the first housing 11 and the second housing 12. When the first housing 11 and the second housing 12 are disassembled, the first locking frame 131 drives the second locking frame 132 to move forward along the second direction Z, so that the second locking frame 132 is separated from the first locking frame 131, that is, the first locking frame 131 and the second locking frame 132 are unlocked, the first housing 11 is pulled along the first direction Y, so that the first housing 11 is separated from the second housing 12, that is, the first housing 11 and the second housing 12 are disassembled.

Further, as shown in fig. 2 and 5, the first lock bracket 131 includes a first guide portion 131 a; when the first lock frame 131 is pushed to move towards the first direction Y, the first guide portion 131a can be driven to push the second lock frame 132 to move towards the forward direction of the second direction Z, so that the first lock frame 131 moves to a position matched with the second lock frame 132; second lock frame 132 is equipped with the portion 132a of dodging with first guide part 131a complex, and when first guide part 131a moved to dodging portion 132a, first guide part 131a had no impetus to second lock frame 132, and second lock frame 132 can be towards the reverse motion of second direction Z, and at this moment, first lock frame 131 moved in place, and second lock frame 132 is towards the reverse motion of second direction Z and first lock frame 131 joint, realizes the locking of first casing 11 and second casing 12.

Specifically, the first guide portion 131a is provided with a first guide surface 131a 1; when the first lock holder 131 moves in the first direction Y, the first guide surface 131a1 abuts against a part of the end surface of the second lock holder 132 to push the second lock holder 132 to move in the forward direction of the second direction Z. The first guide surface 131a1 may be a slope or a curved surface.

As shown in fig. 6 and 10, the locking device 13 includes a first limiting member 121, the second lock frame 132 has a first limiting hole 132b, the first limiting hole 132b extends along the second direction Z, and one end of the first limiting member 121 passes through the first limiting hole 132b and is fixed to the second housing 12, so as to mount the second lock frame 132 to the second housing 12. Along the second direction Z, the size of the first limiting hole 132b is larger than the size of the first limiting member 121, and when the first lock bracket 131 is matched with the second lock bracket 132, the first limiting member 121 can move relative to the first limiting hole 132b, so that the second lock bracket 132 can move relative to the second housing 12. The first limiting hole 132b extends along the second direction Z, so that the second lock frame 132 moves along the second direction Z, and the first limiting member 121 abuts against the sidewall of the first limiting hole 132b to limit the moving stroke of the second lock frame 132.

Further, as shown in fig. 6 and 8, the locking device 13 is further provided with a second limiting member 122, one end of the second limiting member 122 is fixed to the second housing 12, and the other end of the second limiting member 122 passes through the second lock frame 132; the first lock bracket 131 is provided with a second limiting hole 131e matched with the second limiting member 122, and when the first housing 11 moves towards the second housing 12, the second limiting member 122 can move along the second limiting hole 131e to limit the moving direction of the first lock bracket 131, so as to limit the moving track of the first housing 11, and improve the installation accuracy of the first housing 11 and the second housing 12. The second limiting member 122 is further provided with a limiting protrusion along the circumferential direction thereof, and the outer circumferential portion of the second limiting hole 131e abuts against the limiting protrusion to further limit the movement direction of the first lock frame 131, reduce the risk that the first lock frame 131 moves along the second direction Z when being matched with the second lock frame 132, and ensure accurate positioning when the first lock frame 131 is matched with the second lock frame 132. The second lock frame 132 further has a through hole, and extends along the second direction Z, one end of the second limiting member 122 is fixed to the second housing 12, the other end of the second limiting member passes through the through hole, and the second limiting member 122 can move along the through hole to limit the moving direction of the second lock frame 132, thereby reducing the risk that the second lock frame 132 rocks around along the movement of the second direction Z, and improving the reliability of the cooperation between the first lock frame 131 and the second lock frame 132.

As shown in fig. 6 and 9, the locking device 13 further includes a first elastic member 14, the first lock bracket 131 further includes a pushing member 131b and a mounting bracket 111, at least a portion of the pushing member 131b is hung on the second lock bracket 132 through the mounting bracket 111, the pushing member 131b can move relative to the second lock bracket 132, two ends of the first elastic member 14 respectively abut against the pushing member 131b and the mounting bracket 111, or two ends of the first elastic member 14 respectively abut against the pushing member 131b and the second lock bracket 132. When the first locking frame 131 is matched with the second locking frame 132, the second locking frame 132 can move in the forward direction of the second direction Z against the elastic force of the first elastic element 14; the second lock bracket 132 can move in the reverse direction of the second direction Z by the resilient action of the first elastic member 14. In this embodiment, when the first lock frame 131 pushes the second lock frame 132 to move in the forward direction of the second direction Z, the second lock frame 132 drives the pushing element 131b to move, and during this movement, the pushing element 131b presses the first elastic element 14; when the first lock frame 131 does not push the second lock frame 132, the first elastic element 14 drives the pushing element 131b to move in the opposite direction of the second direction Z under the action of the resilience force thereof, and the pushing element 131b drives the second lock frame 132 to move in the opposite direction of the second direction Z.

Wherein, the pushing member 131b can be a release screw.

Further, the locking device 13 further includes a second elastic member 16, and both ends of the second elastic member 16 are respectively abutted against the top wall of the second housing 12 and the second lock frame 132; when the first locking frame 131 is matched with the second locking frame 132, the second locking frame 132 can move in the forward direction of the second direction Z against the elastic force of the second elastic element 16; the second lock bracket 132 can move in the reverse direction of the second direction Z under the resilient action of the second elastic member 16; the first elastic element 14 and the second elastic element 16 are distributed at two ends of the second lock frame 132 along the second direction Z. In this embodiment, when the first locking frame 131 pushes the second locking frame 132 to move in the forward direction of the second direction Z, the second locking frame 132 presses the second elastic member 16, when the first locking frame 131 does not push the second locking frame 132, the second locking frame 132 does not press the second elastic member 16, and the second elastic member 16 drives the pushing member 131b to move in the reverse direction of the second direction Z under the action of the resilient force of the second elastic member 16. Wherein, casing 1 still includes guide bar 17, and the one end of guide bar 17 is fixed in second casing 12, and the other end passes second lock frame 132, and guide bar 17 is located to second elastic component 16 cover, plays the guide effect through this guide bar 17 to the flexible of second elastic component 16, reduces the crooked risk when second elastic component 16 is compressed.

In this embodiment, the first elastic element 14 and the second elastic element 16 are arranged to drive the second locking frame 132 to move in the reverse direction of the second direction Z to return to the initial position, and the second locking frame 132 does not need to be pushed or other driving structures are not arranged, so that the structure of the housing 1 is simplified. Here, each of the first elastic member 14 and the second elastic member 16 may be provided in plurality.

Specifically, the first elastic member 14 and the second elastic member 16 may employ a spring.

In one possible design, the pushing member 131b includes a threaded section, and the pushing member 131b is connected with the second lock bracket 132 through the threaded section; the shell 1 further comprises a nut 15, and the nut 15 is connected with the second lock frame 132; rotating the pushing member 131b, the pushing member 131b being capable of cooperating with the nut 15 to connect the first lock holder 131 with the second lock holder 132; the pushing element 131b is pushed in the forward direction of the second direction Z, and the pushing element 131b can drive the second lock holder 132 to move in the forward direction of the second direction Z through the nut 15, so as to pull the first housing 11 in the first direction Y, and the second lock holder 132 and the first lock holder 131 are unlocked. In this embodiment, by rotating the pushing element 131b, the pushing element 131b is engaged with the nut 15, and the second locking frame 132 is limited to move along the second direction Z, so as to further lock the first locking frame 131 and the second locking frame 132, thereby reducing the risk of the first housing 11 and the second housing 12 being separated from each other when the first housing 11 and the second housing 12 are shaken by an external force.

In this embodiment, the first housing 11 or the second housing 12 is provided with an operation hole, and the operation hole is provided corresponding to the pushing member 131 b. So that the operator can reach into the inner control push 131b of the casing 1 through the operation hole.

As shown in fig. 6 to 10, the first lock bracket 131 includes a plurality of first latch teeth 131c, and the second lock bracket 132 includes a plurality of second latch teeth 132 c; when the first locking frame 131 is connected to the second locking frame 132, the first locking teeth 131c are engaged with the second locking teeth 132 c. In this embodiment, along the third direction X, the plurality of first locking teeth 131c are distributed at both ends of the first locking frame 131, and the plurality of second locking teeth 132c are distributed at both ends of the second locking frame 132, so that when the first locking frame 131 is pushed to move towards the first direction Y, the first locking teeth 131c can engage with the second locking teeth 132c, so as to lock the first housing 11 and the second housing 12.

Further, the first locking tooth 131c is provided with a first abutting surface 131c1, the second locking tooth 132c is provided with a second abutting surface 132c1, and when the first locking tooth 131c is matched with the second locking tooth 132c, the first abutting surface 131c1 abuts against the second abutting surface 132c1 to limit the first locking tooth 131c from being separated from the second locking tooth 132 c. Wherein, the first abutting surface 131c1 and the second abutting surface 132c1 are provided as slopes so as to facilitate the engagement of the first locking tooth 131c and the second locking tooth 132 c.

As shown in fig. 7, 9 and 10, the first lock frame 131 further includes a second guide portion 131d, the second guide portion 131d is located between adjacent first locking teeth 131c, and a gap is provided between the second guide portion 131d and the adjacent first locking teeth 131 c; the second locking teeth 132c can move along the second guide portions 131d to be unlocked from the first locking teeth 131 c. In this embodiment, when the first lock frame 131 and the second lock frame 132 are unlocked, the second lock frame 132 is pushed to move in the forward direction of the second direction Z, the second lock frame 132 drives the second locking tooth 132c to move and abut against the second guide portion 131d, the second locking tooth 132c moves along the second direction Z and pushes the second guide portion 131d to move along the first direction Y, so that the first locking tooth 131c is separated from the second locking tooth 132c, and the first lock frame 131 and the second lock frame 132 are unlocked.

Further, the second guide portion 131d is provided with a second guide surface 131d1, the second latch tooth 132c has a second arc surface 132c2, and the second guide portion 131d moves along the second guide surface 131d1 through the second arc surface 132c2 to push the second guide portion 131d to move along the first direction Y.

As shown in fig. 7, 9 and 10, the second lock frame 132 further includes a third guiding portion 132d, the third guiding portion 132d is located between adjacent second locking teeth 132c, and a gap is provided between the third guiding portion 132d and the adjacent second locking teeth 132 c; the first locking teeth 131c can move along the third guide portions 132d to be engaged with the second locking teeth 132 c. In this embodiment, when the first lock frame 131 and the second lock frame 132 are locked and the first lock frame 131 is pushed to move along the first direction Y, the first locking tooth 131c can move along the third guide portion 132d to a position where the first locking tooth 132c is engaged with the second locking tooth 132c, and the third guide portion 132d guides the second locking tooth 132 c.

Further, the third guide portion 132d is provided with a third guide surface 132d1, the first latch 131c has a first arc surface 131c2, and the third guide portion 132d moves along the third guide surface 132d1 through the first arc surface 131c 2.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (13)

1. A locking device for connecting a housing (1), the housing (1) comprising a first housing (11) and a second housing (12), characterized in that the locking device (13) comprises:

a first locking bracket (131), the first locking bracket (131) being used for mounting the first housing (11);

a second latch bracket (132), the second latch bracket (132) being for mounting the second housing (12); wherein, along a first direction (Y), under the driving of the first shell (11), the first lock frame (131) can be matched with the second lock frame (132) to enable the first shell (11) and the second shell (12) to be in a locked state, and the first lock frame (131) can be disengaged from the second lock frame (132) to enable the first shell (11) and the second shell (12) to be in an unlocked state.

2. The locking device according to claim 1, characterized in that the first lock bracket (131) is capable of driving the second lock bracket (132) to move in a second direction (Z) relative to the second housing (12) to bring the first lock bracket (131) and the second lock bracket (132) into or out of a locked state.

3. The locking device according to claim 2, characterized in that the first lock frame (131) comprises a first guide (131 a);

when the first lock frame (131) moves towards the first direction (Y), the first guide part (131a) can be driven to push the second lock frame (132) to move towards the positive direction of the second direction (Z), so that the first lock frame (131) moves to a position matched with the second lock frame (132);

the second lock frame (132) is provided with an avoiding part (132a) matched with the first guide part (131a), and when the first guide part (131a) moves to the avoiding part (132a), the second lock frame (132) moves in the reverse direction of the second direction (Z) to be matched with the first lock frame (131).

4. A locking arrangement as claimed in claim 3, characterised in that the first guide portion (131a) is provided with a first guide surface (131a 1);

the first lock frame (131) urges the second lock frame (132) to move in the forward direction of the second direction (Z) along the first guide surface (131a 1).

5. The locking device according to claim 2, wherein the locking device (13) comprises a first limiting member (121), the second lock frame (132) is provided with a first limiting hole (132b), the first limiting hole (132b) extends along a second direction (Z), and one end of the first limiting member (121) passes through the first limiting hole (132b) and is fixed to the second housing (12) so as to mount the second lock frame (132) to the second housing (12);

when the first lock frame (131) is matched with the second lock frame (132), the first limiting piece (121) can move relative to the first limiting hole (132 b).

6. A locking device according to claim 2, wherein the first lock frame (131) further comprises a pusher (131b), the pusher (131b) being connected to the second lock frame (132) and being movable with respect to the second lock frame (132);

the locking device (13) further comprises a first elastic piece (14), and two ends of the first elastic piece (14) are respectively abutted with the pushing piece (131b) and the second lock frame (132);

when the first lock frame (131) is matched with the second lock frame (132), the second lock frame (132) can move in a forward direction of a second direction (Z) against the elastic force of the first elastic piece (14);

the second lock bracket (132) is movable in the direction opposite to the second direction (Z) by the resilient action of the first elastic member (14).

7. The locking device according to claim 6, characterized in that the pusher (131b) comprises a threaded section through which the pusher (131b) is connected with the second cage (132);

the locking device (13) further comprises a nut (15), and the nut (15) is connected with the second lock frame (132);

-turning said pusher (131b), said pusher (131b) being able to cooperate with said nut (15) to connect said first lock bracket (131) with said second lock bracket (132);

when the pushing piece (131b) is pushed in the forward direction of the second direction (Z), the pushing piece (131b) can drive the second lock frame (132) to move in the forward direction of the second direction (Z) through the nut (15), so that the first lock frame (131) and the second lock frame (132) are in a locked state, and when the first shell (11) is pulled in the first direction (Y), the second lock frame (132) and the first lock frame (131) are unlocked.

8. The locking device according to claim 6, characterized in that said locking device (13) further comprises a second elastic member (16), both ends of said second elastic member (16) abutting against the top wall of said second housing (12) and said second lock frame (132), respectively;

the first elastic member (14) and the second elastic member (16) are distributed at two ends of the second lock frame (132) along a second direction (Z).

9. A locking arrangement as claimed in any one of claims 1 to 8, characterised in that the first lock frame (131) comprises a plurality of first locking teeth (131c) and the second lock frame (132) comprises a plurality of second locking teeth (132 c);

when the first lock frame (131) is connected with the second lock frame (132), the first locking teeth (131c) are meshed with the second locking teeth (132 c).

10. The locking device according to claim 9, wherein the first lock frame (131) further comprises a second guide portion (131d), the second guide portion (131d) is located between adjacent first locking teeth (131c), and a gap is provided between the second guide portion (131d) and adjacent first locking teeth (131 c);

the second locking tooth (132c) is movable along the second guide portion (131d) to be unlocked from the first locking tooth (131 c).

11. The locking device of claim 9, wherein the second lock frame (132) further comprises a third guide portion (132d), the third guide portion (132d) is located between adjacent second locking teeth (132c), and a gap is provided between the third guide portion (132d) and the adjacent second locking teeth (132 c);

the first locking tooth (131c) is movable along the third guide portion (132d) to be engaged with the second locking tooth (132 c).

12. The locking device according to any one of claims 1 to 8, wherein the locking device (13) is provided with a second limiting member (122), one end of the second limiting member (122) is fixed to the second housing (12), and the other end of the second limiting member (122) passes through the second lock frame (132);

the first lock frame (131) is provided with a second limiting hole (131e) matched with the second limiting piece (122), and when the first lock frame (131) moves towards the second lock frame (132), the second limiting piece (122) can move along the second limiting hole (131e) to limit the movement track of the first lock frame (131).

13. A housing, characterized in that the housing (1) comprises:

a first housing (11);

a second housing (12);

a locking device (13), the locking device (13) being a locking device (13) according to any one of claims 1 to 12;

wherein the locking device (13) is used for connecting the first housing (11) and the second housing (12).

Images