CN210579556U

CN210579556U - Locking mechanism, case and electronic equipment

Info

Publication number: CN210579556U
Application number: CN201920745856.XU
Authority: CN
Inventors: 许传松; 魏翔; 孙昌玉; 黄海元
Original assignee: Hefei Lianbao Information Technology Co Ltd
Current assignee: Hefei Lianbao Information Technology Co Ltd
Priority date: 2019-05-22
Filing date: 2019-05-22
Publication date: 2020-05-19
Anticipated expiration: 2029-05-22

Abstract

The embodiment of the utility model provides a locking mechanical system, quick-witted case and electronic equipment, wherein, this locking mechanical system includes: a body; the locking device comprises a body, a first locking piece, a second locking piece and a locking mechanism, wherein the body is provided with a first locking position extending towards a first direction and a first unlocking position retreating towards a second direction opposite to the first direction; a second locking member connected to the first locking member through a link assembly and having a second locking position protruding in a second direction and a second unlocking position retracted in the first direction; the handle, it rotationally connects on the body to be connected with first locking piece through the linkage part, the handle rotates the in-process and can drive first locking piece through the linkage part and carry out the position and switch, and can drive the second locking piece through first locking piece and carry out the position and switch in step. The locking mechanism can lock the object to be locked from two opposite directions, is firm in locking, simple to operate and convenient to use, and can achieve the purpose of quickly locking and unlocking the object to be locked.

Description

Locking mechanism, case and electronic equipment

Technical Field

The embodiment of the utility model provides a relate to electronic equipment technical field, especially relate to a locking mechanical system, use this locking mechanical system's quick-witted case and use the electronic equipment of this quick-witted case.

Background

Along with the development of economic society, the types of electronic equipment are more and more, and the use is more and more extensive. In the prior art, electronic devices such as a computer host, a video card expansion box, etc. generally include a chassis and electronic components mounted in the chassis, and in order to facilitate installation and maintenance, the chassis generally includes one or more detachable box boards, and the detachable box boards are generally connected with other parts of the chassis through screws. During assembly or maintenance, need unscrew the screw, dismantle this can dismantle boxboard, then can install, overhaul and change the electronic components of inside, later still need to dismantle boxboard dress and screw up the screw, the dismouting process is loaded down with trivial details to need just can accomplish with the help of instruments such as screwdriver, the operation is inconvenient.

SUMMERY OF THE UTILITY MODEL

In view of the above problems in the prior art, embodiments of the present invention provide a locking mechanism, a case and an electronic device capable of realizing fast locking and unlocking.

In order to solve the above problem, the embodiment of the present invention provides a technical solution:

a locking mechanism, comprising:

a body;

the locking device comprises a body, a first locking piece, a second locking piece and a locking mechanism, wherein the body is provided with a first locking position extending towards a first direction and a first unlocking position retreating towards a second direction opposite to the first direction;

a second locking member connected to the first locking member via a link assembly and having a second locking position protruding in the second direction and a second unlocking position retracted in the first direction;

the handle is rotationally connected to the body and connected with the first locking piece through the linkage part, and the handle can drive the first locking piece to switch positions in the rotating process through the linkage part and can drive the second locking piece to synchronously switch positions through the first locking piece.

In some embodiments, the handle has a receiving position attached to the body and a pulling position forming a pulling space for a hand to extend into, and when the handle is switched between the receiving position and the pulling position, the handle can drive the first locking member to be synchronously switched between the first locking position and the first unlocking position.

In some embodiments, the locking mechanism further comprises a reset member for providing a reset resilient force to the first locking member or the pull handle to reset the first locking member from the first unlocked position to the first locked position and to reset the pull handle from the pulled position to the stowed position.

In some embodiments, the body is provided with a receiving cavity, the top of the receiving cavity is provided with a lock hole, the first locking member is disposed in the receiving cavity in a manner of extending out of and retracting back from the lock hole, and the handle and the second locking member are disposed on two opposite sides of the body respectively.

In some embodiments, the first locking member includes a base plate, a lock tongue disposed on the base plate, and a first guide post and a second guide post disposed on the base plate and respectively close to two ends of the lock tongue, a first guide hole and a second guide hole are respectively disposed at a top of the accommodating chamber close to two ends of the lock hole, and the first guide post and the second guide post are respectively connected in the first guide hole and the second guide hole.

In some embodiments, the connecting rod assembly comprises:

the first locking piece is provided with a first pin column penetrating through the first strip-shaped hole, and the body is provided with a second pin column penetrating through the second strip-shaped hole;

and one end of the second connecting rod is hinged with the other end of the first connecting rod, and the other end of the second connecting rod is hinged with the second locking piece.

In some embodiments, one end of the linkage component is rotatably connected with the handle, and the other end of the linkage component is rotatably connected with the first locking piece, and the handle can drive one end of the linkage component to move around the rotation center line of the handle during rotation, and drive the first locking piece to perform position switching through the other end of the linkage component.

In some embodiments, the handle includes a U-shaped handle body, and both ends of the U-shaped handle body are rotatably connected to the body, respectively.

In some embodiments, two ends of the U-shaped handle body are bent towards the same side along a direction perpendicular to the rotation center line, and form a first bent portion and a second bent portion respectively, a connection rod is disposed between free ends of the first bent portion and the second bent portion, and one end of the linkage component is connected with the connection rod.

A chassis, comprising: the box body, the bearing frame and the locking mechanism are arranged;

one end of the box body is provided with an opening, and the two opposite sides of the opening are respectively provided with a first locking part corresponding to the first locking part and a second locking part corresponding to the second locking part;

the bearing frame extends into the box body from the opening and is in sliding connection with the box body, and a box plate for blocking the opening is arranged at the other end, opposite to the extending end, of the bearing frame;

the locking mechanism is arranged on the box board and used for locking the box body and the bearing frame.

An electronic device comprising a chassis as described above and electrical components mounted on the carrier.

Compared with the prior art, the utility model discloses beneficial effect lies in:

the utility model discloses locking mechanical system, handle can drive first locking piece and second locking piece in step and move in opposite directions and treat the locking thing with the unblock rotating the in-process, or drive first locking piece and second locking piece in step and treat the locking thing with the locking moving back to the back, can follow two relative directions and treat the locking thing and lock, and the closure is firm, and easy operation, convenient to use can realize the purpose of treating the locking thing with the unblock of locking fast.

Drawings

Fig. 1 is a schematic structural view of a locking mechanism in a locked state according to an embodiment of the present invention;

fig. 2 is a schematic structural view of the locking mechanism in an unlocked state according to the embodiment of the present invention;

fig. 3 is an exploded schematic view of a locking mechanism according to an embodiment of the present invention;

fig. 4 is a rear view comparison diagram of the locking mechanism in the locking state and the unlocking state according to the embodiment of the present invention;

fig. 5 is a side view comparing the locking mechanism of the embodiment of the present invention in a locked state and a resulting state;

fig. 6 is a schematic structural diagram of the case in a locked state according to the embodiment of the present invention;

fig. 7 is a schematic structural diagram of the case in an unlocked state according to the embodiment of the present invention;

fig. 8 is a schematic view of a partial structure of a chassis according to an embodiment of the present invention.

Reference numerals:

10-a body; 11-a housing chamber; 12-a lock hole; 13-a first pilot hole; 14-a second pilot hole; 15-a second pin; 16-a third strip aperture; 17-a receiving groove;

20-a first locking member; 21-a substrate; 22-a bolt; 23-a first guide post; 24-a second guide post; 25-a first pin;

30-a second locking element; 31-a third guide post;

40-handle; 41-a U-shaped handle body; 42-a first bend; 43-a second bend; 44-a connecting rod; 45-hooking; 46-a first pivot; 47-a second pivot;

50-a linkage assembly; 51-a first link; 52-a second link; 53-a first strip aperture; 54-a second strip-shaped hole;

60-a linkage member; 61-hanging ring; 62-a sleeve; 63-a bar;

70-a locking mechanism;

80-a box body; 81-opening;

90-a carrier; 91-case board; 92-third guide hole.

Detailed Description

For better understanding of the technical solutions of the embodiments of the present invention, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.

Referring to fig. 1-3, embodiments of the present invention provide a locking mechanism, which can be applied to any push-pull type or pull type case waiting for a locked object, such as a case of an electronic device, so that the case can be locked and unlocked quickly, and the locking is firm, and the maintenance and repair are convenient. The locking mechanism includes: the locking device comprises a body 10, a first locking part 20, a second locking part 30, a handle 40, a connecting rod assembly 50 and a linkage part 60, wherein the first locking part 20 is movably arranged on the body 10 and has a first locking position and a first unlocking position, the first locking part 20 extends towards a first direction and can be switched to the first locking position, and the first locking part 20 retracts towards a second direction opposite to the first direction and can be switched to the first unlocking position; the second locking piece 30 is connected with the first locking piece 20 through the connecting rod assembly 50 and has a second locking position and a second unlocking position, the second locking piece 30 extends towards the second direction and can be switched to the second locking position, and the second locking piece 30 retracts towards the first direction and can be switched to the second unlocking position; the handle 40 is rotatably connected to the body 10 and connected to the first locking member 20 through the linkage member 60, and the handle 40 can drive the first locking member 20 to perform position switching through the linkage member 60 during rotation, and at the same time, the first locking member 20 can drive the second locking member 30 to perform position switching synchronously through the connecting rod assembly 50.

By adopting the locking mechanism with the structure, the handle 40 can synchronously drive the first locking piece 20 and the second locking piece 30 to move oppositely to unlock the object to be locked in the rotating process, as shown in fig. 2, or synchronously drive the first locking piece 20 and the second locking piece 30 to move oppositely to lock the object to be locked, as shown in fig. 1, the object to be locked can be locked from two opposite directions, the locking is firm, the operation is simple, the use is convenient, and the purpose of quickly locking and unlocking the object to be locked can be realized.

In some embodiments, as shown in fig. 1 and 2, the body 10 may have a receiving cavity 11 therein, the top of the receiving cavity 11 may be provided with a lock hole 12, the first locking member 20 may be disposed in the receiving cavity 11 and configured to be capable of extending from or retracting to the lock hole 12 to switch positions, the handle 40 and the second locking member 30 may be disposed on opposite sides of the body 10, so that when the handle 40 is mounted on an object to be locked, the handle 40 can be exposed to the outside of the object to be locked, and the second locking member 30 can be hidden inside the object to be locked. One end of the linkage member 60 may extend into the receiving cavity 11 from the bottom and be connected with the first locking member 20, and the other end may extend out of the receiving cavity 11 and be connected with the handle 40. The linkage assembly 50 may pass through the wall of the receiving cavity 11 to connect the first locking member 20 and the second locking member 30. Referring to fig. 3, as a preferred embodiment, the first locking member 20 includes a base plate 21, a locking tongue 22 disposed on the base plate 21, and a first guiding post 23 and a second guiding post 24 disposed on the base plate 21 and respectively close to two ends of the locking tongue 22, the top of the accommodating cavity 11 is respectively provided with a first guiding hole 13 and a second guiding hole 14 close to two ends of the locking hole 12, and the first guiding post 23 and the second guiding post 24 are respectively connected in the first guiding hole 13 and the second guiding hole 14. In this way, the first guide post 23 and the second guide post 24 can guide the extension and retraction direction of the first locking member 20, so as to avoid the bias during the extension and retraction of the first locking member 20, which is beneficial to improving the stability of the locking mechanism.

In some embodiments, the handle 40 may have a storage position and a pulling position, when rotated to the storage position, the handle 40 is attached to the body 10, the occupied space is small, when rotated to the pulling position, a pulling space for a hand to extend into is formed between the handle 40 and the body 10 so as to conveniently pull the handle 40, when the handle 40 is at an angle with the body 10, for example, the handle 40 is at a position 90 ° with the body 10, and when the handle 40 is switched between the storage position and the pulling position, the first locking member 20 can be driven to synchronously switch between the first locking position and the first unlocking position. Thus, when the handle 40 is rotated to the storage position, the handle 40 can occupy a small space while achieving the object of locking the object to be locked, which is advantageous for achieving a compact design and a small size of the object to be locked. Meanwhile, the unlocking of the object to be locked caused by mistaken handle 40 touching can be avoided. When the box body 80 needs to be opened, the handle 40 is rotated to a pulling position which is convenient to pull, the locking mechanism is unlocked, the box body 80 can be opened by pulling the handle 40, the unlocking and the opening of the box body 80 are consistent, and the operation is simple. As a preferred embodiment, a receiving groove 17 for receiving the handle 40 may be provided on the outer side of the body 10, so that the handle 40 can be received in the receiving groove 17 when rotated to the receiving position, and the locking mechanism has a more compact structure and a more compact appearance.

In some embodiments, the locking mechanism may further include a reset member (not shown) for providing a reset elastic force to the handle 40 or the first locking member 20 to enable the handle 40 to be reset from the pulling position to the receiving position and bring the first locking member 20 from the first unlocking position to the first locking position, or to enable the first locking member 20 to be reset from the first unlocking position to the first locking position and bring the handle 40 from the pulling position to the receiving position. For example, the return member may be one or more return springs, and the return springs may be disposed between the bottom end of the first locking member 20 and the bottom wall of the accommodating chamber 11, so that the return springs are in a compressed state, thereby having a tendency to eject the first locking member 20 from the locking hole 12. The handle 40 is rotated to drive the first locking member 20 to retract into the accommodating cavity 11 against the elastic force of the spring, and the connecting rod assembly 50 drives the second locking member 30 to switch to the second unlocking position. When the handle 40 is loosened, the first locking part 20 can extend out of the lock hole 12 again under the action of the reset elastic force, the second locking part 30 can be driven to be switched to the second locking position through the connecting rod assembly 50, the handle 40 can be driven to be switched to the storage position through the linkage part 60, and the purpose of self-locking and automatic storage of the handle 40 can be achieved. In the concrete implementation process, the elastic force that resets that this piece that resets can provide can set up to 4 kilograms to when avoiding touching the unblock because of the mistake, required dynamics of controlling when making the unblock is moderate, guarantees the travelling comfort of controlling.

As shown in FIG. 4, in some embodiments, the connecting rod assembly 50 may include: the connecting rod comprises a first connecting rod 51 and a second connecting rod 52, wherein one end of the first connecting rod 51 is provided with a first strip-shaped hole 53, the first connecting rod 51 is further provided with a second strip-shaped hole 54, the second strip-shaped hole 54 is located between two ends of the first connecting rod 51, for example, located in the middle of the first connecting rod 51, and the first strip-shaped hole 53 and the second strip-shaped hole 54 are both arranged along the length direction of the first connecting rod 51. The first locking member 20 is provided with a first pin 25, and the first pin 25 penetrates through the first strip-shaped hole 53 and can slide along the first strip-shaped hole 53. The body 10 is provided with a second pin 15, and the second pin 15 penetrates through the second strip-shaped hole 54 and can slide along the second strip-shaped hole 54; the second link 52 has one end hinged to the other end of the first link 51 and the other end hinged to the second locking member 30.

For example, when the first locking member 20 is disposed in the accommodating cavity 11, and the handle 40 and the second locking member 30 are disposed on two opposite sides of the body 10, the first connecting rod 51 and the second connecting rod 52 can be disposed on the outer side of the body 10, and a third strip-shaped hole 16 disposed along the extension direction of the first locking member 20 is formed on the side of the accommodating cavity 11, so that the first pin 25 extends out from the third strip-shaped hole 16 and penetrates through the first strip-shaped hole 53, and the second pin 15 is disposed on the outer side of the body 10, so that the second main pin penetrates through the second strip-shaped hole 54. Therefore, when the lock is locked, the first locking part 20 extends towards the first direction and drives one end of the first connecting rod 51 to move towards the first direction, the other end of the first connecting rod 51 moves towards the second direction and drives the second locking part 30 to extend towards the second direction through the second connecting rod 52, and the movement directions are just opposite when the lock is unlocked. The connecting rod assembly 50 is simple in structure, compact in layout, less prone to failure in the using process and good in stability. In addition, to avoid the space occupied by the connecting rod assembly 50, in an implementation process, the first connecting rod 51 and the second connecting rod 52 may be both configured as a plate-shaped structure.

In some embodiments, as shown in fig. 5, one end of the linkage member 60 is rotatably connected to the handle 40, and the other end is rotatably connected to the first locking member 20, so that when the handle 40 rotates, one end of the linkage member 60 can move around the rotation center line of the handle 40, and the other end of the linkage member 60 can drive the first locking member 20 to perform position switching. Specifically, the handle 40 may include a U-shaped handle body 41, two ends of the U-shaped handle body 41 are respectively rotatably connected to the body 10, two ends of the U-shaped handle body 41 are bent toward the same side along a direction perpendicular to the rotation center line, and respectively form a first bent portion 42 and a second bent portion 43, a connection rod 44 is disposed between free ends of the first bent portion 42 and the second bent portion 43, and one end of the linkage member 60 is connected to the connection rod 44. For example, a first pivot 46 and a second pivot 47 may be coaxially disposed at two ends of the U-shaped handle body 41, respectively, and the first pivot 46 and the second pivot 47 are pivotally connected to the body 10, so that the U-shaped handle body 41 can rotate relative to the body 10. The first bending portion 42 and the second bending portion 43 can be bent to form an angle of 90 ° with the two arms of the U-shaped handle body 41. Thus, when the U-shaped handle body 41 is located at the storage position and the U-shaped handle body 41 is attached to the bottom surface of the storage groove 17, the first bent portion 42 and the second bent portion 43 are perpendicular to the bottom surface of the storage groove 17, when the U-shaped handle body 41 is switched to the pulling position, that is, when the U-shaped handle body 41 is perpendicular to the bottom surface of the storage groove, the first bent portion 42 and the second bent portion 43 are exactly parallel to the bottom surface of the storage groove 17, and can drive the connecting rod 44 to rotate synchronously around the rotation center line, one end of the linkage member 60 rotatably connected to the connecting rod 44 also rotates in an arc shape around the rotation center line, and the other end of the linkage member 60 can drive the first locking member 20 to move in the first direction or the second direction.

In practice, the rotational connection between the linkage member 60 and the handle 40 and between the linkage member 60 and the first locking member 20 may take various forms. As shown in fig. 3, in some embodiments, one end of the linkage member 60 may be provided with a hanging ring 61, and the connecting rod 44 may be provided with a hook 45, and the hook 45 is hung on the hanging ring 61. During the rotation process of the connecting rod 44 around the rotation center line, the linkage part 60 can be pulled through the hook 45, and the hook 45 and the hooking ring 61 can rotate relatively to adjust the angle between the connecting rod 44 and the linkage part 60. Conversely, when the first locking member 20 expands and contracts, the hook 45 can be pulled by the hooking ring 61 of the linking member 60 to rotate the connecting rod 44. The linkage part 60 and the connecting rod 44 are connected through the hanging ring 61 and the hook 45, the structure is simple, the installation and the disassembly are convenient, the production difficulty is reduced, and the production efficiency is improved.

In some embodiments, the linkage member 60 may be an isosceles triangular linkage member 60 and the hitch ring 61 may be a bar-shaped hitch ring 61 disposed along a base of the isosceles triangular linkage member 60. For example, a strip-shaped hole may be formed near the bottom edge of the isosceles triangular linkage component 60, a strip-shaped hooking ring 61 with a straight edge may be formed at the bottom edge of the isosceles triangular linkage component 60, the width of the corresponding hook 45 may be similar to the length of the strip-shaped hole, the hook 45 may be a U-shaped groove hook 45 formed by integrally bending a plate-shaped structure, the hook 45 is hooked on the strip-shaped hooking ring 61 during installation, at this time, the straight edge of the strip-shaped hooking ring 61 is clamped in the groove of the U-shaped groove hook 45 and can rotate in the groove, a structure similar to a rotating shaft is formed, it is beneficial to maintain stress balance during rotation, and deviation is not easy to occur. In order to make the linking member 60 and the connecting rod 44 rotate smoothly, a sleeve 62 may be sleeved on the straight edge, or the straight edge may be cylindrical, so as to prevent the linking member 60 and the connecting rod 44 from being jammed during the relative rotation process. Continuing with FIG. 3, the other end of the linkage member 60 may be hingedly connected to the first locking member 20. For example, a bar may be provided at the top end of the isosceles triangular link member 60 (i.e., the other end of the link member) in a direction parallel to the bottom side thereof, and hinged to the first locking member 20 by the bar.

Referring to fig. 6 and 7, an embodiment of the present invention further provides a chassis, which includes: the box 80, the carrier 90 and the locking mechanism 70 as described above, wherein one end of the box 80 is open 81, two opposite sides of the opening 81 are respectively provided with a first locking portion corresponding to the first locking member 20 and a second locking portion corresponding to the second locking member 30, the carrier 90 extends into the box 80 from the opening 81 and is slidably connected with the box 80, the other end of the carrier 90 opposite to the extending end thereof is provided with a box plate 91 for blocking the opening 81, and the locking mechanism 70 is provided on the box plate 91 for locking the box 80 and the carrier 90.

In an implementation, the first locking portion may be a first locking groove (not shown) disposed at the top of the opening 81, the second locking portion may be a second locking groove (not shown) disposed at the bottom of the opening 81, a through hole may be formed in the box board 91, the locking mechanism 70 is installed inside the box board 91 and faces the through hole, and the handle 40 is exposed out of the box board 91 through the through hole, so that a user can pull the handle 40 from the outside.

In the case with the above structure, the supporting frame 90 can be used for supporting electrical components, and of course, can also be used for supporting other articles, for example, the supporting frame 90 can be made into a drawer shape to support articles. When the carrier 90 is pushed into the box 80, the locking structure can lock the box 80 and the carrier 90 from two opposite directions, so that the carrier 90 is prevented from sliding out of the box 80 by itself, and the locking is firm. When the electrical components on the bearing frame 90 need to be overhauled or replaced, the handle 40 is rotated and pulled, so that the bearing frame 90 can be quickly unlocked and pulled out of the box 80, the operation is simple and convenient, and better user experience is realized.

As shown in fig. 8, in some embodiments, one or more third guiding columns 31 are disposed on the second locking member 30, and the carrier 90 may be disposed with a strip-shaped third guiding hole 92 disposed along the extension and contraction direction of the second locking member 30, wherein the third guiding column 31 is slidably connected in the third guiding hole 92. Thus, the second locking member 30 can be prevented from being displaced during the expansion and contraction process. Of course, the third guiding hole 92 may be disposed on the body 10, for example, a wing plate may be disposed on the body 10, and the third guiding hole 92 may be opened on the wing plate.

An embodiment of the present invention further provides an electronic device, which includes the case and the electrical component mounted on the bearing frame 90. The electronic device may be, for example, a computer host, a display card expansion box, or a server, and is not described herein again. When the electronic device is a computer host, the electrical components may include a motherboard, a power supply, a hard disk, and the like. When the electronic device is a display card expansion box, the electrical assembly can comprise components such as a display card, a power supply, a fan and the like. Because above-mentioned quick-witted case has easy dismounting's advantage, so, the electronic equipment who uses this quick-witted case also has easy dismounting, the maintenance of being convenient for, user experience better advantage.

The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the protection scope of the present invention is defined by the claims. Various modifications and equivalents of the invention can be made by those skilled in the art within the spirit and scope of the invention, and such modifications and equivalents should also be considered as falling within the scope of the invention.

Claims

1. A locking mechanism, comprising:

a body;

2. The locking mechanism of claim 1, wherein the handle has a receiving position attached to the body and a pulling position forming a pulling space for a hand to extend into, and the handle is capable of moving the first locking element between the first locking position and the first unlocking position when switched between the receiving position and the pulling position.

3. The locking mechanism of claim 2, further comprising a reset member for providing a reset spring force to the first locking member or the pull handle to reset the first locking member from the first unlocked position to the first locked position and to reset the pull handle from the pulled position to the stowed position.

4. The locking mechanism of claim 1, wherein the body defines a receiving cavity, a top of the receiving cavity defines a locking hole, the first locking member is disposed in the receiving cavity in a manner capable of extending out of and retracting into the locking hole, and the handle and the second locking member are disposed on opposite sides of the body.

5. The locking mechanism of claim 4, wherein the first locking member comprises a base plate, a latch disposed on the base plate, and a first guide post and a second guide post disposed on the base plate and respectively adjacent to two ends of the latch, wherein a first guide hole and a second guide hole are respectively disposed at a top of the accommodating chamber adjacent to two ends of the lock hole, and the first guide post and the second guide post are respectively connected to the first guide hole and the second guide hole.

6. The locking mechanism of claim 1, wherein the linkage assembly comprises:

7. The locking mechanism of claim 1, wherein one end of the linkage member is rotatably connected to the handle, and the other end of the linkage member is rotatably connected to the first locking member, and the handle can move the one end of the linkage member around the rotation center line of the handle during rotation and drive the first locking member to perform position switching through the other end of the linkage member.

8. The locking mechanism of claim 7, wherein the pull handle comprises a U-shaped handle body, both ends of the U-shaped handle body being rotatably connected to the body, respectively.

9. The locking mechanism according to claim 8, wherein two ends of the U-shaped handle body are bent toward the same side along a direction perpendicular to the rotation center line to form a first bent portion and a second bent portion, respectively, a connecting rod is disposed between free ends of the first bent portion and the second bent portion, and one end of the linkage member is connected to the connecting rod.

10. A chassis, comprising: a container, a carrier and a locking mechanism according to any one of claims 1-9;

11. An electronic device comprising the chassis of claim 10 and electrical components mounted on the carrier.