CN218996993U - Assembly and opening mechanism - Google Patents

Abstract

The utility model discloses an assembly and opening mechanism, which comprises a base body, a piece to be installed and a lock catch assembly arranged on the base body and used for disassembling the piece to be installed from the base body, wherein a first lock hole is formed in the base body, a second lock hole which is arranged corresponding to the first lock hole is formed in the piece to be installed, the lock catch assembly comprises a spanner, a lock pin and a stop block, and the spanner can move back and forth at a locking position and an unlocking position so as to realize locking and unlocking between the base body and the piece to be installed through matching with the lock pin; the spanner is provided with a clamping groove, the stop block is provided with a clamping part matched with the clamping groove, and the stop block is connected with the base body through a first elastic piece. This assembly and opening mechanism has improved and has dialled the needs one hand to dial, and the other hand gets the shortcoming that the battery is easy to get the hand, has liberated both hands, can not lead to the fact the finger injury because of the beater when getting the battery, has promoted user experience and felt, and the structure easily realizes, and convenient to use is reliable, has guaranteed complex stability.

Description

Assembly and opening mechanism

Technical Field

The utility model relates to the field of electronic communication equipment, in particular to an assembling and opening mechanism.

Background

In the existing backpack communication system products, the battery is usually disassembled through a toggle key, one hand is pulled out, and the other hand is required to pull out the battery with little effort, so that fingers pulling out the toggle key are easy to be bumped/cut by the battery if the operation is careless.

Disclosure of Invention

In order to solve the technical problems, the utility model provides an assembling and opening mechanism.

The technical scheme adopted for solving the technical problems is as follows: a construction of an assembly and opening mechanism comprising: the base body, wait to install the piece, set up in said base body in order to make wait to install the piece and dismantle the lock catch assembly from said base body;

the base body is provided with a first lock hole, the piece to be installed is provided with a second lock hole which is arranged corresponding to the first lock hole, and the lock catch assembly comprises a spanner, a lock pin and a stop block;

the spanner buckle can move back and forth at a locking position and an unlocking position so as to realize locking and unlocking between the base body and the piece to be installed through matching with the lock pin;

the spanner is provided with a clamping groove, the stop block is provided with a clamping part matched with the clamping groove, and the stop block is connected with the base body through a first elastic piece;

when the spanner is in the locking position, the lock pin penetrates through the first lock hole and the second lock hole so as to lock the base body and the to-be-installed piece, and the clamping part is separated from the clamping groove;

when the spanner buckle is positioned at the unlocking position, the lock pin is separated from the first lock hole and the second lock hole, so that the base body and the to-be-installed piece are unlocked, and the clamping part is clamped with the clamping groove so as to enable the spanner buckle to be kept at the unlocking position.

In some embodiments, the trigger comprises a driving part, a driven part and a positioning part, wherein the driven part and the positioning part are arranged on the driving part in a separated mode, and a linkage groove matched with the driven part in shape is formed in one end of the lock pin, which faces the trigger;

when the spanner is at the locking position, the driven part is arranged in the linkage groove, and the driven part can drive the lock pin to move out of the first lock hole and the second lock hole under the action of external force.

In some embodiments, the positioning portion is provided with the locking groove, the stop block includes a locking head, and the locking head is provided with the locking portion matched with the locking groove.

In some embodiments, the substrate is provided with a plurality of strip holes arranged along the transverse direction, and the strip holes are provided with clamping parts;

the piece to be installed is provided with a plurality of protruding parts which are arranged opposite to the strip holes;

when the piece to be installed needs to be locked, the protruding portion penetrates through the strip hole and is movably arranged on the clamping portion, so that the protruding portion abuts against the clamping portion, and the base body and the piece to be installed are fixed in the vertical direction.

In some embodiments, one end of the base body is provided with a positioning groove in which the locking component is arranged;

the positioning groove comprises a transition wall, a positioning wall and a limiting wall which are sequentially arranged from outside to inside from the opening side of the base body;

the positioning wall is perpendicular to the limiting wall, and the positioning groove is also provided with a containing part for containing the stop block;

when the trigger is at the locking position, the driving part and the transition wall are arranged in parallel.

In some embodiments, the latch assembly further comprises a fixing seat disposed on the positioning wall and connected to the base;

a pair of fixed arms and a limiting arm which is perpendicular to the fixed arms are extended on one side of the fixed seat facing the to-be-installed piece;

the pair of fixing arms, the limiting arm and the limiting wall form a guide groove for accommodating and guiding the lock pin.

In some embodiments, the latch assembly further includes second elastic members respectively disposed between the latch and the fixing base to provide elastic force to the latch while maintaining a locked state.

In some embodiments, a mounting part is further arranged on one side of the fixing seat facing the lock pin;

the positioning part is connected with the mounting part through a rotating shaft;

the periphery of the rotating shaft is sleeved with a torsion spring, one end of the torsion spring is abutted against the end face of the limiting arm, which is opposite to the limiting wall, and the other end of the torsion spring is abutted against the end face of the positioning part, which is opposite to the limiting wall, so as to provide an elastic force for the pulling buckle when the pulling buckle is kept at a locking position.

In some embodiments, one end of the rotating shaft is clamped to the clamping head, the other end of the rotating shaft is abutted to the positioning groove, and the rotating shaft penetrates through the positioning portion and the mounting portion.

In some embodiments, the stop block further comprises a limit portion connected with the clamping head;

the base body is also provided with a stop hole which is arranged opposite to the limit part;

the part to be installed is also provided with a stop groove, and the stop groove is arranged along the transverse direction;

the limiting part is arranged in the stop hole in a penetrating way and is attached to the groove surface of the stop groove in a sliding way.

In some embodiments, the base body includes a main body and a motherboard detachably connected to the main body, and the motherboard is provided with the first lock hole and the strip hole;

the to-be-installed piece comprises a to-be-installed body and a to-be-installed plate detachably connected with the to-be-installed body, and the to-be-installed plate is provided with a second lock hole and a protruding portion.

The implementation of the utility model has the following beneficial effects: the assembling and unlocking mechanism comprises a base body, a to-be-installed piece and a lock catch assembly arranged on the base body and used for disassembling the to-be-installed piece from the base body, wherein a first lock hole is formed in the base body, a second lock hole which is arranged corresponding to the first lock hole is formed in the to-be-installed piece, the lock catch assembly comprises a spanner, a lock pin and a stop block, the spanner can move back and forth at a locking position and an unlocking position, and locking and unlocking between the base body and the to-be-installed piece are achieved through matching with the lock pin; the spanner is provided with a clamping groove, the stop block is provided with a clamping part matched with the clamping groove, and the stop block is connected with the base body through a first elastic piece. This assembly and opening mechanism has improved and has dialled the needs one hand to dial, and the other hand gets the shortcoming that the battery is easy to get the hand, has liberated both hands, can not lead to the fact the finger injury because of the beater when getting the battery, has promoted user experience and felt, and the structure easily realizes, and convenient to use is reliable, has guaranteed complex stability.

Drawings

In order to more clearly illustrate the technical solution of the present utility model, the following description will be given with reference to the accompanying drawings and examples, it being understood that the following drawings only illustrate some examples of the present utility model and should not be construed as limiting the scope, and that other related drawings can be obtained from these drawings by those skilled in the art without the inventive effort. In the accompanying drawings:

FIG. 1 is a schematic view of the overall structure of an assembly and opening mechanism in some embodiments of the utility model;

FIG. 2 is a schematic illustration of the exploded components of the assembly and opening mechanism of some embodiments of the present utility model;

FIG. 3 is a schematic diagram of a positioning slot according to some embodiments of the present utility model;

FIG. 4 is a schematic illustration of a latch assembly according to some embodiments of the utility model;

FIG. 5 is a schematic view of another directional structure of a latch assembly according to some embodiments of the present utility model;

FIG. 6 is a schematic view of a fixing base according to some embodiments of the present utility model;

FIG. 7 is a schematic illustration of the structure of a toggle in some embodiments of the utility model;

FIG. 8 is a schematic view of a stop block in some embodiments of the utility model;

FIG. 9 is a cross-sectional view of the assembly and unlocking mechanism of some embodiments of the present utility model;

FIG. 10 is a cross-sectional view of an assembly and unlocking mechanism according to some embodiments of the present utility model;

FIG. 11 is another directional cross-sectional view of an assembly and unlocking mechanism lock in accordance with some embodiments of the present utility model;

FIG. 12 is a schematic diagram of a motherboard according to some embodiments of the present utility model;

fig. 13 is a schematic view of the structure of a board to be mounted in some embodiments of the utility model.

Detailed Description

For a clearer understanding of technical features, objects and effects of the present utility model, a detailed description of embodiments of the present utility model will be made with reference to the accompanying drawings. In the following description, it should be understood that the directions or positional relationships indicated by "front", "rear", "upper", "lower", "left", "right", "longitudinal", "transverse", "vertical", "horizontal", "top", "bottom", "inner", "outer", "head", "tail", etc. are configured and operated in specific directions based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model, and do not indicate that the apparatus or element to be referred to must have specific directions, and thus should not be construed as limiting the present utility model.

It should also be noted that unless explicitly stated or limited otherwise, terms such as "mounted," "connected," "secured," "disposed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. When an element is referred to as being "on" or "under" another element, it can be "directly" or "indirectly" on the other element or one or more intervening elements may also be present. The terms "first," "second," "third," and the like are used merely for convenience in describing the present utility model and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby features defining "first," "second," "third," etc. may explicitly or implicitly include one or more such features. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Referring to fig. 1 to 13, an assembling and opening mechanism according to some embodiments of the present utility model is applicable to a quick assembly and disassembly device, an electric device in the field of backpack communication equipment, and the like. The power utilization device can be, but is not limited to, an electric drill, an electric saw, a cutting machine, a flat plate, an electronic reader, a computer and the like, the assembling and opening mechanism comprises a base body 1, a part 2 to be installed and a locking component 3 arranged on the base body 1 and used for disassembling the part 2 to be installed from the base body 1, the part 2 to be installed can be a battery, the power utilization device can be used after being disassembled, and the requirement on the use quantity of the battery of the electric tool in a household is greatly reduced.

The base body 1 is provided with a first lock hole 11, the to-be-installed piece 2 is provided with a second lock hole 21 which is arranged corresponding to the first lock hole 11, the lock catch assembly 3 comprises a spanner 31, a lock pin 32 and a stop block 37, the spanner 31 can move back and forth between a locking position A and an unlocking position B so as to realize locking and unlocking between the base body 1 and the to-be-installed piece 2 through matching with the lock pin 32; the trigger 31 is provided with an engaging groove 3131, the stopper 37 is provided with an engaging portion 3711 engaged with the engaging groove 3131, and the stopper 37 is connected to the base 1 via a first elastic member 38. When the trigger 31 is at the locking position a, the lock pin 32 penetrates through the first lock hole 11 and the second lock hole 21, so that the base 1 and the member 2 to be mounted are locked, and the engaging portion 3711 is separated from the engaging groove 3131; when the trigger 31 is at the unlocking position B, the lock pin 32 is disengaged from the first lock hole 11 and the second lock hole 21, so that the base 1 and the member to be mounted 2 are unlocked, and the engaging portion 3711 engages with the engaging groove 3131 to hold the trigger 31 at the unlocking position B.

Further, the stopper 37 includes an engagement head 371, and the engagement head 371 is provided with an engagement portion 3711 engaged with the engagement groove 3131. As can be appreciated, when the pulling buckle 31 is pulled from the locking position a to the unlocking position B, the engaging portion 3711 enters the engaging groove 3131 by virtue of the elastic force provided by the first elastic member 38, and the side wall surface of the engaging portion 3711 abuts against the side wall surface of the engaging groove 3131, so that the pulling buckle 31 is fixed in the unlocking position B, and the battery is taken out after being fixed, thereby improving the disadvantage that one hand is required for pulling, and the other hand is easy to pull the to-be-mounted member 2, and freeing both hands. When the locking is needed again, the pulling buckle 31 is pulled, and the engaging portion 3711 is disengaged from the engaging groove 3131.

Preferably, the cross-sectional shape of the engaging groove 3131 is a cambered surface shape that smoothly transitions from the inner side to the outer side of the wrench 31, and in other embodiments, the cross-sectional shape of the engaging groove 3131 may be a triangle, a U-shape, or other shapes, which are not limited herein.

Specifically, as shown in fig. 7, the trigger 31 includes a driving portion 311, a driven portion 312 disposed on the driving portion 311 and separated from each other, and a positioning portion 313, one end of the lock pin 32 facing the trigger 31 is provided with a linkage groove 321 matching the shape of the driven portion 312, when the trigger 31 is at a locking position B, the driven portion 312 is disposed in the linkage groove 321, the driven portion 312 can drive the lock pin 32 to move out of the first lock hole 11 and the second lock hole 21 under the action of an external force, the positioning portion 313 is provided with a locking groove 3131, and it is understood that the driving portion 311 is disposed on the base 1 in a locking position a and an unlocking position B in a back and forth manner, and the driven portion 312 can extend into the base 1 to be matched with the lock pin 32, so as to lock and unlock the base 1 and the to-be-mounted member 2.

Further, one end of the lock pin 32 is provided with a locking portion 322, and the locking portion 322 is substantially cylindrical, and it is understood that the shape of the first lock hole 11 and the second lock hole 21 matches the shape of the locking portion 322, and may be circular. In other embodiments, the cross section of the locking portion 322, the first locking hole 11 and the second locking hole 21 may be rectangular, elliptical, U-shaped or other shapes, which are not limited herein. Further, when the operator pulls the trigger 31 to unlock, the locking portion 322 is disengaged from the first locking hole 11 and the second locking hole 21, thereby completing the assembly and the unlocking of the opening mechanism in the lateral direction.

In some embodiments, as shown in fig. 12 and 13, the base 1 is provided with a plurality of strip holes 12 arranged along a transverse direction, the plurality of strip holes 12 are all provided with clamping portions 13, the piece 2 to be mounted is provided with a plurality of protruding portions 22 arranged opposite to the strip holes 12, when the piece 2 to be mounted needs to be locked, the protruding portions 22 penetrate through the strip holes 12 and are movably arranged on the clamping portions 13, so that the protruding portions 22 are abutted to the clamping portions 13, and the fixing of the base 1 and the piece 2 to be mounted in a vertical direction is realized. It will be appreciated that the number of the holes 12 is preferably 4, which are all arranged in the transverse direction, and the number of the protrusions 22 is identical to the number of the holes 12, and in other embodiments, the number of the holes 12 may be adjusted according to the actual situation. The protruding portion 22 is substantially L-shaped, so that a bottom surface of an upper end portion of the protruding portion 22 can abut against an upper end surface of the positioning portion 13 after being fastened. Further, when the to-be-mounted part 2 and the base 1 need to be locked, the protruding part 22 is clamped into the strip hole 12, then the protruding part 22 moves towards the direction provided with the clamping part 13, the protruding part 22 is placed on the clamping part 13, and the to-be-mounted part 2 and the base 1 are locked in the vertical direction. Preferably, the length of the clamping portion 13 can be set according to the length of the protruding portion 22, so that the matching surface of the clamping portion 13 and the protruding portion 22 can be ensured to be large enough, and the locking of the base body 1 and the to-be-mounted piece 2 is more stable and is not easy to fall off.

In some embodiments, as shown in fig. 3, a positioning groove 111 is formed at one end of the base 1 for the latch assembly 3 to be disposed therein, the positioning groove 111 includes a transition wall 1111, a positioning wall 1112, and a limiting wall 1113 sequentially disposed from outside to inside from the opening side of the base 1, the positioning wall 1112 is disposed perpendicular to the limiting wall 1113, a receiving portion 1114 is further disposed in the positioning groove 111, and when the latch 31 is in the locking position a, the driving portion 311 is disposed parallel to the transition wall 1111. It can be understood that the base 1 has a first side wall 116 and a second side wall 117, the first side wall 116 is a side wall of the base 1 provided with an opening side of the positioning slot 111, the second side wall 117 is a side wall perpendicular to the first side wall 116, the accommodating portion 1114 is substantially rectangular and is disposed on a side of the positioning slot 111 provided with the second side wall 117, and in other embodiments, the accommodating portion can be disposed on another side of the positioning slot 111 provided with the second side wall 117, which can be adjusted according to practical situations.

In some embodiments, the base 1 includes a main body 14 and a motherboard 15 detachably connected to the main body 14, and the motherboard 15 is provided with a first lock hole 11 and a strip hole 12, and the main body 14 can be connected to the motherboard 15 by a fastener or by glue.

The to-be-mounted member 2 includes a to-be-mounted body 24 and a to-be-mounted plate 25 detachably connected with the to-be-mounted body 24, and the to-be-mounted plate 25 is provided with a second lock hole 21 and a protruding portion 22. The body 24 to be mounted can be connected with the mounting plate 25 to be mounted through a fastener, and can also be fixedly connected through glue, and the body 24 to be mounted can also be integrally formed with the mounting plate 25 to be mounted.

As shown in fig. 6, the latch assembly 3 further includes a fixing base 33 disposed on the positioning wall 1112 and connected to the base 1, a pair of fixing arms 331 and a limiting arm 332 disposed perpendicular to the pair of fixing arms 331 extend on a side of the fixing base 33 facing the latch 32, and the pair of fixing arms 331, the limiting arm 332 and the limiting wall 1113 form a guiding slot 333 for guiding the latch 32. It can be appreciated that the fixing base 33 may be connected to the base 1 by a fastener, or may be fixedly connected by glue, the guide slot 333 is configured to accommodate the lock pin 32 and provide positioning guiding for the lock pin 32, the limiting wall 1113 and the limiting arm 332 are disposed parallel to each other, the width of the lock pin 32 may be consistent with the distance from the limiting wall 1113 to the limiting arm 332, and the length of the lock pin 32 may be consistent with the distance between the pair of fixing arms 331, so that the lock pin 32 may move more smoothly, and shaking during the movement of the lock pin 32 may be avoided, and a certain active buffer space exists between the pair of fixing arms 331 and the limiting arm 332, so as to avoid deformation problems occurring during long-term use. When the trigger 31 is in the locked position a, a predetermined gap is provided between the driven portion 312 and the restricting arm 332, so that the lock pin 32 has a space to move upward. In other embodiments, the pair of fixed arms 331 and the defining arm 332 may be integrally formed.

Preferably, the latch assembly 3 further includes second elastic members 34 respectively disposed between the latch 32 and the fixing base 33 to provide elastic force to the latch 32 while maintaining the latched state. It can be appreciated that the second elastic member 34 is preferably a spring, and the spring has a long elastic stroke and uniform elastic force, so that the situation of thrust variation caused by the increase of the clearance between the locking pin 32 and the fixing seat 33 due to micro deformation, accumulated tolerance, abrasion after long-term operation, material fatigue and the like during assembly can be avoided, and the stability of the opening and closing force of the locking pin 32 can be maintained. In other embodiments, the second elastic member 34 may be a silicone elastic member, a rubber elastic member, or other metal elastic members, which are not specifically limited herein.

Further, as shown in fig. 4 and 5, a mounting portion 334 is further disposed on a side of the fixing base 33 facing the lock pin 32, the positioning portion 313 is connected to the mounting portion 334 through a rotating shaft 35, a torsion spring 36 is sleeved on the periphery of the rotating shaft 35, one end of the torsion spring 36 abuts against an end surface of the limiting arm 332 facing away from the limiting wall 1113, and the other end abuts against an end surface of the positioning portion 313 facing the limiting wall 1113, so as to provide an elastic force for the pulling buckle 31 when the pulling buckle is kept at the locking position a. It will be appreciated that when the trigger 31 is rotated about the axis of rotation 35, an operator applies a torque to trigger the trigger 31 to unlock the lock pin 32 and releases the lock pin, the torque or rotational force generated by the torsion spring 36 provides a force to pull the trigger 31 back to the initial position, which is the position of the trigger 31 when in the locked position a. The torsion spring 36 can store and release angular energy or statically secure the trigger 31 by rotating the arm about the central axis of the torsion spring 36 while simultaneously resetting the trigger 31.

As shown in fig. 11, one end of the rotation shaft 35 is engaged with the engagement head 371, the other end thereof is abutted against the positioning groove 111, and the rotation shaft 35 is inserted into the positioning portion 313 and the mounting portion 334. The locking head 371 is provided with a rotation groove 3712 for accommodating the rotation shaft 35, and the rotation shaft 35 is disposed at the end of the rotation groove 3712 and at the bottom of the rotation groove 3712 to provide a space for the locking head 371 to move, and the depth of the rotation groove 3712 can ensure that the rotation shaft 35 is not separated from the rotation groove 3712.

Further, the stop block 37 further includes a stop portion 372 connected to the engagement head 371, the base 1 further includes a stop hole 16 opposite to the stop portion 372, the member 2 further includes a stop groove 23, the stop groove 23 is disposed along a transverse direction, and the stop portion 372 is disposed through the stop hole 16 and slidably engages with a groove surface of the stop groove 23. It can be appreciated that the stopper 37 has a substantially L-shape, the engagement head 371 is disposed perpendicular to the stopper 372, the stopper hole 16 is matched with the stopper 372, and the stopper groove 23 is used to prevent excessive movement when the to-be-mounted member 2 is required to be locked and moved in a direction in which the stopper 13 is provided.

It can be understood that when the assembly and opening mechanism is used for installing the to-be-installed piece 2, the to-be-installed piece 2 is pushed in from the side face of the base body 1, and when the assembly and opening mechanism is installed in place, the lock pin 32 penetrates through the first lock hole 11 and the second lock hole 21 under the action of the second elastic piece 34 to fall into lock, so that the to-be-installed piece 2 is locked. When the assembly and disassembly are needed, the spanner 31 is pulled, after the spanner 31 rotates for a certain angle, the lock pin 32 is separated from the first lock hole 11 and the second lock hole 21 to unlock, and the spanner 31 is locked under the action of the stop block 37 to pull out the part 2 to be assembled. The spanner 31 of the assembly and opening mechanism plays a role of unlocking the lock pin 32, and simultaneously the spanner 31 can be locked in place, so that the defect that one hand is required for poking, the other hand is used for taking the part 2 to be installed and is easy to be hit by a hand is overcome, the two hands are liberated, the part 2 to be installed is taken, finger injury caused by the hit hand is avoided, the user experience is improved, the structure is easy to realize, and the use is convenient and reliable.

It is to be understood that the above examples only represent preferred embodiments of the present utility model, which are described in more detail and are not to be construed as limiting the scope of the utility model; it should be noted that, for a person skilled in the art, the above technical features can be freely combined, and several variations and modifications can be made without departing from the scope of the utility model; therefore, all changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims (11)

1. An assembly and opening mechanism, comprising: a base body (1), a piece to be mounted (2) and a lock catch assembly (3) arranged on the base body (1) and used for dismounting the piece to be mounted (2) from the base body (1);

the base body (1) is provided with a first lock hole (11), the part to be installed (2) is provided with a second lock hole (21) which is arranged corresponding to the first lock hole (11), and the lock catch assembly (3) comprises a spanner buckle (31), a lock pin (32) and a stop block (37);

the spanner buckle (31) can move back and forth at a locking position (A) and an unlocking position (B) so as to realize locking and unlocking between the base body (1) and the piece (2) to be installed through matching with the lock pin (32);

the spanner buckle (31) is provided with a clamping groove (3131), the stop block (37) is provided with a clamping part (3711) matched with the clamping groove (3131), and the stop block (37) is connected with the base body (1) through a first elastic piece (38);

when the spanner buckle (31) is positioned at the locking position (A), the lock pin (32) penetrates through the first lock hole (11) and the second lock hole (21) so as to lock the base body (1) and the to-be-mounted piece (2), and the clamping part (3711) is separated from the clamping groove (3131);

when the pulling buckle (31) is in the unlocking position (B), the lock pin (32) is separated from the first lock hole (11) and the second lock hole (21), so that the base body (1) and the to-be-mounted piece (2) are unlocked, and the clamping part (3711) is clamped with the clamping groove (3131) to enable the pulling buckle (31) to be kept in the unlocking position (B).

2. The assembly and opening mechanism according to claim 1, wherein the trigger (31) comprises a driving part (311), a driven part (312) arranged on the driving part (311) and separated from the driven part, and a positioning part (313), and a linkage groove (321) matched with the driven part (312) in shape is arranged at one end of the lock pin (32) facing the trigger (31);

when the trigger button (31) is positioned at the locking position (B), the driven part (312) is arranged in the linkage groove (321), and the driven part (312) can drive the lock pin (32) to move out of the first lock hole (11) and the second lock hole (21) under the action of external force.

3. The assembly and opening mechanism according to claim 2, wherein the positioning portion (313) is provided with the engagement groove (3131), the stopper (37) includes an engagement head (371), and the engagement head (371) is provided with the engagement portion (3711) engaged with the engagement groove (3131).

4. The assembly and opening mechanism according to claim 1, characterized in that the base body (1) is provided with a plurality of strip holes (12) arranged along the transverse direction, and a plurality of the strip holes (12) are provided with clamping parts (13);

a plurality of protruding parts (22) which are arranged opposite to the strip holes (12) are arranged on the piece to be installed (2);

when the piece (2) to be mounted needs to be locked, the protruding portion (22) is arranged on the strip hole (12) in a penetrating mode and is arranged on the clamping portion (13) in a moving mode, the protruding portion (22) abuts against the clamping portion (13) to achieve fixing of the base body (1) and the piece (2) to be mounted in the vertical direction.

5. A mechanism according to claim 3, wherein one end of the base body (1) is provided with a positioning groove (111) in which the latch assembly (3) is arranged;

the positioning groove (111) comprises a transition wall (1111), a positioning wall (1112) and a limiting wall (1113) which are sequentially arranged from outside to inside from the opening side of the base body (1);

the positioning wall (1112) is perpendicular to the limiting wall (1113), and the positioning groove (111) is also provided with a containing part (1114) for containing the stop block (37);

when the trigger (31) is in the locking position (A), the drive (311) is arranged parallel to the transition wall (1111).

6. The assembly and unlocking mechanism according to claim 5, characterized in that the locking assembly (3) further comprises a fixed seat (33) provided on the positioning wall (1112) and connected to the base body (1);

a pair of fixed arms (331) and a limiting arm (332) which is perpendicular to the pair of fixed arms (331) extend on one side of the fixed seat (33) facing the lock pin (32);

the pair of fixed arms (331), the limiting arm (332), and the limiting wall (1113) form a guide groove (333) for accommodating and guiding the lock pin (32).

7. The assembly and unlocking mechanism according to claim 6, wherein the latch assembly (3) further comprises second elastic members (34) respectively provided between the latch (32) and the fixing base (33) to provide elastic force to the latch (32) while maintaining the locked state.

8. The assembly and opening mechanism according to claim 6, characterized in that the side of the fixed seat (33) facing the locking pin (32) is further provided with a mounting portion (334);

the positioning part (313) is connected with the mounting part (334) through a rotating shaft (35);

the outer periphery of the rotating shaft (35) is sleeved with a torsion spring (36), one end of the torsion spring (36) is abutted against the end face of the limiting arm (332) opposite to the limiting wall (1113), and the other end of the torsion spring is abutted against the end face of the positioning part (313) opposite to the limiting wall (1113) so as to provide an elastic force for the spanner buckle (31) when the spanner buckle is kept at the locking position (A).

9. The assembly and opening mechanism according to claim 8, wherein one end of the rotation shaft (35) is clamped to the clamping head (371), the other end is abutted to the positioning groove (111), and the rotation shaft (35) is penetrated through the positioning portion (313) and the mounting portion (334).

10. The assembly and opening mechanism according to claim 9, characterized in that said stop block (37) further comprises a stop portion (372) connected to said engagement head (371);

a stop hole (16) which is arranged opposite to the limit part (372) is also arranged on the base body (1);

a stop groove (23) is further formed in the piece to be mounted (2), and the stop groove (23) is arranged in the transverse direction;

the limiting part (372) penetrates through the stop hole (16) and is slidably attached to the groove surface of the stop groove (23).

11. The assembly and opening mechanism according to claim 4, wherein the base body (1) comprises a main body (14) and a motherboard (15) detachably connected to the main body (14), and the motherboard (15) is provided with the first lock hole (11) and the strip hole (12);

the to-be-mounted piece (2) comprises a to-be-mounted body (24) and a to-be-mounted plate (25) detachably connected with the to-be-mounted body (24), and the to-be-mounted plate (25) is provided with a second lock hole (21) and a protruding portion (22).

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