CN217954809U - Quick assembly disassembly formula terminal box - Google Patents

Abstract

The utility model discloses a quick assembly disassembly formula terminal box, at least including box body and lid, the at least one end of lid is provided with the activity buckle that is used for with the box body lock, the activity buckle includes that the body of fixed joint on the lid sets up this internal spring bolt with sliding, the slip direction along the spring bolt is provided with the elastic component between spring bolt and body, the upper portion of body is provided with the opening, the upper portion of spring bolt is provided with the hand push recess, the relative body slidable in the trough rim of free end one side that the spring bolt was kept away from to surpassing the opening edge of free end one side that the spring bolt was kept away from to the opening in the hand push recess. In the communication equipment field, the problem that fingers slip easily and cause the dismouting inconvenient when having solved current terminal box dismouting lid, still solved current terminal box locking torsional spring both ends card and taken off the card easily or warp between push-and-pull piece and lid and arouse that the lid is unexpected to drop or can't open and cause the problem of damage, can be fast and easily dismouting lid conveniently, also can guarantee that the lid can not be unexpected to drop after the lid has been adorned.

Description

Quick assembly disassembly formula terminal box

Technical Field

The utility model belongs to the technical field of communication equipment and specifically relates to a quick assembly disassembly formula terminal box.

Background

Optical fiber has become an important support for modern communications as an information transmission medium. The optical cable terminal box is an auxiliary device for terminal wiring in an optical fiber transmission communication network, mainly plays a role in direct and branch connection of an optical cable and plays a role in protecting an optical fiber joint. The method is widely applied to the fields of local telephone, rural telephone network systems, data and image transmission systems, CATV cable televisions and the like.

The terminal box generally includes a box body and a box cover, the box body is used for accommodating and installing various components, and the box cover plays a role in protection. The box body and the box cover are usually connected by screws, so that the disassembly and the assembly are very inconvenient.

The utility model patent of grant publication No. CN208156266U discloses a quick assembly disassembly formula optical cable termination box. The quick-dismounting type optical cable terminal box comprises a mounting seat and a box cover, wherein two ends of the box cover are respectively provided with a buckle, a limiting part corresponding to the buckle is arranged on the mounting seat, and the box cover is connected with the mounting seat through the buckle and the limiting part; the buckle at least at one end of the box cover is a movable buckle, and the movable buckle comprises a push-pull block and a locking spring arranged between the push-pull block and the box cover; the box cover is provided with a clamping part, and the push-pull block is connected with the clamping part in a sliding manner. Above-mentioned utility model patent has solved the inconvenient problem of screw fixed connection between mount pad and the lid, but has come along to have produced following problem again:

1. because only rely on the frictional force of finger and the inside lateral surface of push-and-pull piece to lift up whole lid behind the activity buckle unblock, the slippage causes the lid to drop very easily, and it is more difficult more inconvenient and also unsafe than the screw connection in fact like this.

2. Because the torsional spring is adopted to provide locking force, and the torsional spring is only clamped in the accommodating cavity between the push-pull block and the box cover by the clamping heads at two ends, the frequent sliding of the push-pull block easily causes the two ends of the torsional spring to be disengaged or deformed, thereby causing the accidental disengagement of the box cover and the falling or the unlocking and the opening of the box cover.

Therefore, a terminal box with a quick assembly and disassembly mode is urgently needed, namely, a box cover can be easily lifted during unlocking, and the problem that two ends of a locking spring are easy to get out of a clamping state or deform is solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a quick assembly disassembly formula terminal box can find light application of force point promptly when its unblock and make to unpack apart the lid and become very light, can solve the problem that the torsional spring both ends are taken off the card easily or are out of shape again.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a quick assembly disassembly formula terminal box, includes box body and lid at least, the at least one end of lid is provided with the activity buckle that is used for with the box body lock, the activity buckle includes the body of fixed joint on the lid and slides and set up this internal spring bolt be provided with the elastic component along the slip direction of spring bolt between spring bolt and the body, the upper portion of body is provided with the opening, the upper portion of spring bolt is provided with the hand push recess, the hand push recess is kept away from the relative body in the groove limit of free end one side of spring bolt can slide to surmounting the opening is kept away from the opening edge of free end one side of spring bolt.

When the unlocking is completed and the box cover is ready to be lifted, the groove edge of one side, far away from the free end of the lock tongue, of the hand-push groove exceeds the opening edge of one side, far away from the free end of the lock tongue, of the opening, so that the finger of a user can buckle the opening edge, the force can be directly applied upwards to lift the box cover, and the action is very easy. In addition, the elastic part is arranged between the movable buckle body and the lock tongue, and the lock tongue slides in the body stably and the relative space of the sliding cavity is reduced, so that the risk of the two ends of the elastic part being disengaged or deformed is greatly reduced, and the situation that the box cover is mistakenly opened or cannot be unlocked and opened due to the failure of the elastic part after the installation is ensured.

Preferably, the body is internally provided with a sliding cavity for accommodating the spring bolt, the elastic element is a pressure spring arranged between the spring bolt and the cavity bottom of the sliding cavity, the cavity bottom of the sliding cavity is provided with an annular groove for installing the pressure spring, and the end part of the spring bolt facing the cavity bottom is provided with an installation column for installing the pressure spring. The elastic component is the pressure spring and both ends cup joint respectively on ring channel and erection column and make the elastic component both ends more stable, has further reduced the risk that the card was taken off at both ends or warp, therefore the spring bolt just can be very smooth and easy slide at the slip intracavity.

Preferably, the pressure spring is a conical pressure spring, the small end of the conical pressure spring is installed in the annular groove, and the large end of the conical pressure spring is installed on the installation column. The circular cone pressure spring is more stable than a common cylindrical pressure spring, so that the spring bolt slides more smoothly along the axial direction of the pressure spring.

Preferably, the lower cavity wall of the sliding cavity is provided with a limiting hole, the lower end face of the lock tongue is provided with a limiting block, and the limiting block extends into the limiting hole. The limit block slides in the limit hole to limit the travel of the lock tongue.

Preferably, the upper end of body is provided with the surrounding edge, the one end of body in the below of surrounding edge is provided with fixed slot, the other end of body is provided with the elasticity card, and the elasticity card is from keeping away from one side of lid extends to the slope of lid direction, the free end of elasticity card with form the joint clearance between the lower surface of surrounding edge.

Preferably, the box cover is provided with a mounting hole, the mounting frame is fixed at the mounting hole, the mounting frame is provided with a through hole for mounting the body, and the groove width of the fixing clamping groove and the clamping gap are matched with the thickness of the mounting frame. The body joint is on the mounting bracket, and the mounting bracket can improve the intensity of activity buckle department lid.

Preferably, the free end of the lock tongue is provided with an engaging step, an inclined plane is arranged below the engaging step, and the box body is provided with an engaging part engaged with the engaging step. The engaging step is used for being engaged and locked with the engaging part, and the inclined plane is used for guiding the movable buckle part when the box cover is installed.

Preferably, a fixed buckle used for being buckled with the box body is arranged on one side, far away from the movable buckle, of the box cover, and a folded edge buckled with the fixed buckle is arranged on the box body.

Preferably, the lid is in keeping away from one side of activity buckle is provided with the hinge post, be provided with on the box body with the hinge ring of hinge post looks adaptation. The box cover is hinged on one side of the box body and can rotate.

Preferably, box body one end is provided with a plurality of jacks, the box body other end is provided with a plurality of through-holes, the joint has the sheath on the through-hole, fixedly be provided with the dust lid through a plurality of tie points on the passageway inner wall of sheath. The jack is used for installing various fiber connector, and the sheath is protected the cable through the through-hole, and the dust lid is disposable material, is used for preventing that dust and mice etc. toy from causing the destruction in getting into the box from the through-hole at ordinary times, when needs connecting cable, presses the dust lid gently with the hand and makes several tie points fracture, just can cross-under cable.

Compared with the prior art, the beneficial effects of the utility model are that:

1. when the quick assembly disassembly type terminal box is unlocked and ready to lift the box cover, the groove edge of one side of the free end of the lock tongue, away from the opening edge of one side of the free end of the lock tongue, can be buckled by fingers when a user operates, can directly apply force upwards to lift the box cover, and is very easy to move.

2. The elastic component sets up between activity buckle body and spring bolt, because the spring bolt slides very stably and the relative space in slip chamber has reduced at the body slip intracavity, just greatly reduced the risk that the card was taken off or warp at elastic component both ends, guaranteed that the installation is accomplished the back lid and can not be opened or can't the unblock is opened because of locking spring inefficacy mistake.

3. The movable buckle is clamped in a mounting mode, so that the movable buckle is very convenient, and can be changed very conveniently if the movable buckle is damaged.

4. The elastic piece is preferably a conical pressure spring, the two ends of the elastic piece are also provided with a sleeved mounting device, the two ends of the pressure spring are more stable, and the spring bolt slides very smoothly and reliably.

5. The limit block slides in the limit hole to limit the travel of the lock tongue.

6. When the cable is not used, dust and small animals are effectively prevented from entering the box to be damaged, and the cable is well protected from being cut by sharp edges after being connected in a penetrating mode.

Drawings

Fig. 1 is a schematic perspective view of a quick-release terminal closure according to a first embodiment of the present invention;

fig. 2 is a schematic perspective view of a quick-release terminal box body according to a first embodiment of the present invention;

fig. 3 is a top view of the quick-disconnect terminal closure of the first embodiment when locked;

FIG. 4 isbase:Sub>A sectional view taken along line A-A of FIG. 3;

FIG. 5 is an enlarged view of FIG. 4;

FIG. 6 is a top view of the quick-disconnect terminal enclosure of the first embodiment after unlocking is completed

FIG. 7 is a sectional view taken along line B-B of FIG. 6;

FIG. 8 is an enlarged view of II of FIG. 7;

fig. 9 is a schematic perspective view of a cover of a terminal enclosure according to an embodiment of the present invention;

fig. 10 is a schematic perspective view of a movable buckle of the terminal box according to the first embodiment of the present disclosure;

fig. 11 is a schematic perspective view of another view of the movable buckle of the terminal box according to the first embodiment of the present invention;

fig. 12 is a schematic perspective view of the quick-release terminal closure according to the second embodiment;

fig. 13 is a schematic perspective view of the quick-release terminal box according to the second embodiment;

fig. 14 is a schematic perspective view of the quick-release terminal box cover according to the second embodiment;

fig. 15 is a schematic perspective view of the quick-release terminal closure according to the third embodiment;

fig. 16 is a schematic perspective view of the box body of the quick-release terminal box according to the third embodiment;

FIG. 17 is an enlarged view of III shown in FIG. 16;

fig. 18 is a schematic perspective view of the quick-release terminal closure lid according to the third embodiment;

FIG. 19 is an enlarged view of IV shown in FIG. 18.

In the figure: the box body 1, a folded edge 11, a jack 12, a through hole 13, a sheath 14, a dust cover 141, a box cover 2, a fixed buckle 21, a mounting hole 22, a mounting frame 23, a through hole 231, a sunk groove 4, a movable buckle 5, a body 51, an opening 511, a limiting hole 512, an annular groove 513, a fixed clamping groove 514, an elastic clamping piece 515, a sliding cavity 516, a surrounding edge 517, a locking tongue 52, a hand-push groove 521, a limiting block 522, a mounting column 523, an inclined plane 524, an engagement step 525, an identification 527, an elastic piece 53, a pressure spring 54, a clamping gap 6, a hinge ring 11A, a hinge column 21A and a locking hole 4A.

Detailed Description

The following description is given for illustrative embodiments of the present invention, and other advantages and effects of the present invention will be apparent to those skilled in the art from the disclosure of the present invention.

It should be understood that the structure, proportion, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions of the present invention, so that the present invention has no technical essential meaning, and any modification of the structure, change of the proportion relation or adjustment of the size should still fall within the scope covered by the technical content disclosed in the present invention without affecting the function and the achievable purpose of the present invention. In addition, the terms such as "upper", "lower", "left", "right", "middle", etc. used in the present specification are used for clarity of description only, and are not used to limit the scope of the present invention, and the relative relationship between the terms can be changed or adjusted without substantial technical changes.

Example one

As shown in fig. 1, fig. 2 and fig. 9, the terminal box of this embodiment of quick assembly and disassembly, including box body 1 and box cover 2, the one end of box cover 2 is provided with two fixed buckles 21 for buckling with box body 1, the other end is provided with a movable buckle 5 for buckling with box body 1, movable buckle 5 includes body 51 of fixed joint on box cover 2 and lock tongue 52 of sliding setup in body 51, box body 1 both sides symmetry is provided with hem 11 for buckling with fixed buckle and the meshing portion that meshes with movable buckle 5, this embodiment meshing portion is preferred to be sink 4, because hem 11 and sink 4 are the symmetry setting, the two directions of box cover can both be installed.

The box cover 2 is provided with a mounting hole 22, a mounting frame 23 is fixed at the mounting hole 22, a through hole 231 is formed in the mounting frame 23, and the body 51 of the movable buckle 5 is clamped at the through hole 231 of the mounting frame 23.

As shown in fig. 3, 4, 5, 7, 10 and 11, a surrounding edge 517 is disposed at an upper end of the body 51, a fixed clamping groove 514 is disposed below the surrounding edge 517 at one end of the body 51, an elastic clamping sheet 515 is disposed at the other end of the body 51, the elastic clamping sheet 515 extends obliquely from a side away from the box cover 2 to the box cover 2, a clamping gap 6 is formed between a free end of the elastic clamping sheet 515 and a lower surface of the surrounding edge 517, because the shape and size of the through hole 231 are adapted to the shape and size of an outer contour of the clamping gap 6 of the body 51, and the groove width of the fixed clamping groove 514 and the clamping gap 6 are adapted to the thickness of the mounting frame 23, the fixed clamping groove 514 and the elastic clamping sheet 515 together clamp the body 51 of the movable buckle 5 at the through hole 231 of the mounting frame 23 on the box cover 2.

An elastic part 53 is arranged between the bolt 52 and the body 51 along the sliding direction of the bolt 52, the risk of disengaging or deforming two ends of the elastic part 53 is greatly reduced, an opening 511 is formed in the upper portion of the body 51, a hand-push groove 521 is formed in the bolt 52, the groove edge on one side, far away from the free end of the bolt 52, of the hand-push groove 521 can slide relative to the body 51 to exceed the opening edge on one side, far away from the free end of the bolt 52, of the opening 511, an identification 527 is arranged at the position, close to the hand-push groove 521, of the bolt 52, and the identification 527 marks the unlocking direction. Since a part of the hand-push groove 521 is hidden inside the body 51 when the unlocking is completed and the lid 2 is to be lifted, the fingers of the worker can buckle the upper cavity wall of the sliding cavity 516 of the body 51 fixed to the lid 2, so that the lid 2 can be lifted by directly applying upward force, and the operation is very easy.

The body 51 is internally provided with a sliding cavity 516 for accommodating the locking bolt 52, the elastic element 53 is preferably a compression spring 54 arranged between the locking bolt 52 and the bottom of the sliding cavity 516, the bottom of the sliding cavity 516 is provided with an annular groove 513 for mounting the compression spring 54, and the end of the locking bolt 52 facing the bottom of the sliding cavity is provided with a mounting column 523 for mounting the compression spring 54. The compression spring 54 is further preferably a conical compression spring with a small end mounted in the annular groove 513 and a large end mounted on the mounting post 523. So that both ends of the elastic member 53 are more stabilized.

The lower cavity wall of the sliding cavity 516 is provided with a limiting hole 512, the lower end surface of the bolt 52 is provided with a limiting block 522, and the limiting block 522 extends into the limiting hole 512. When the stopper 522 abuts against the inner wall of the stopper hole 512, the latch 52 cannot slide in the engaging direction any more, and the elastic member 53 keeps the latch at the existing position.

The free end of the latch tongue 52 is provided with an engagement step 525, an inclined surface 524 is provided below the engagement step 525, and the lower surface of the bottom of the back sink groove 4 of the box cover 2 mounted on the box body 1 is higher than the upper surface of the engagement step 525. Ensuring smooth engagement.

As shown in fig. 2 to 4, one end of the case 1 is provided with one or more insertion holes 12, the other end is provided with a plurality of through holes 13, the through holes 13 are clamped with a sheath 14, and the inner wall of the passage of the sheath 14 is fixedly provided with a dust cover 141 through a plurality of connection points. The jack 12 is used for installing various optical fiber connectors, the sheath 14 protects cables passing through the through holes, the dust cover 141 is a disposable material and is used for preventing small animals such as dust, mice and the like from entering the box from the through holes to cause damage at ordinary times, and when the cables need to be connected, the dust cover 141 is lightly pressed by hands to enable a plurality of connection points to be broken, and then the cables can be connected in a penetrating mode.

The working principle is as follows:

as shown in fig. 3 to 8:

when the box cover 2 needs to be detached, a worker presses the latch 52 in a direction indicated by the mark 527 by inserting a finger into the hand-push groove 521, the elastic member 53 is continuously compressed until a part of the hand-push groove 521 enters the opening edge of the side of the free end of the opening 511 away from the latch 52, at this time, the finger holds the force in the unlocking direction and simultaneously buckles the body 51 upwards, at this time, the upper cavity wall of the sliding cavity 516 can provide a force application point for the finger, one side of the movable buckle 5 of the box cover 2 is slightly lifted, then the other hand buckles one side of the fixed buckle 21 of the box cover 2, and the detachment work can be completed after the fixed buckle 21 is slightly moved to be disengaged.

When the box cover 2 needs to be installed, the following two ways exist:

the first mode is as follows: the worker also uses fingers to stretch into the hand-push groove 521 to press the bolt 52 according to the direction indicated by the mark 527, the other hand buckles one side of the fixing buckle 21 of the box cover 2, the fixing buckle 21 is firstly clamped into the folded edge 11, then the box cover 2 on one side of the movable buckle 5 is put down until the surfaces of the box cover 2 and the box body 1 are contacted and released to press the fingers of the elastic part 53, and the elastic part 53 releases potential energy to enable the bolt 52 to be automatically locked and meshed to complete installation. The stop block 522 slides within the stop hole 512 to limit the travel of the latch bolt 52.

The second mode is as follows: the worker firstly clamps the fixed buckle 21 into the folded edge 11, then puts down the box cover 2 on one side of the movable buckle 5, when the inclined surface 524 of the bolt 52 contacts the sinking groove 4, the inclined surface 524 starts to play a guiding role, continuously presses the box cover 2 on one side of the movable buckle 5, the bolt 52 automatically retracts towards the unlocking direction under the guiding role, and finally the bolt is clamped below the sinking groove 4 to complete installation. The stop block 522 slides within the stop hole 512 to limit the travel of the latch bolt 52.

The movable buckle 5 is mounted and dismounted: the worker firstly inclines one side of the fixed clamping groove 514 on the body 51 of the movable buckle 5 slightly and extends into the through hole 231 from the upper part of the box cover 2, the mounting frame 23 is clamped into the fixed clamping groove 514, then the other hand is used for pressing the elastic clamping piece 515 from the lower part of the box cover 2 to deform, and finally, the hand holding the movable buckle 5 above the box cover 2 downwards presses one side of the elastic clamping piece 515 to clamp the movable buckle 5 on the box cover 2. When the movable buckle 5 needs to be replaced, the elastic clamping piece 515 is pressed from the lower part of the box cover 2 to deform, one side of the elastic clamping piece 515 of the movable buckle 5 is pushed forcibly, and after the elastic clamping piece is pushed out and is released, the movable buckle 5 is slightly moved to enable the mounting frame 23 to be separated from the fixed clamping groove 514, so that the disassembly can be completed.

Example two

As shown in fig. 12 to 14, a terminal box of a quick detach type according to the present embodiment is different from the first embodiment in that the number of the movable buckle 5 and the fixed buckle 21 is 2, the folded edge 11 for buckling with the fixed buckle 21 is provided on one side of the box body 1, the engaging portion for buckling with the movable buckle 5 is provided on the other side, the engaging portion of the present embodiment is still preferably a sinking groove 4, and the box cover 2 can be installed in a buckling manner with the box body 1 in only one direction because of the asymmetric arrangement.

EXAMPLE III

Referring to fig. 15 to 19, a quick-release terminal box of this embodiment differs from the second embodiment in that the box cover 2 is provided with a hinge post 21A on a side away from the movable buckle 5, one side of the box body 1 is provided with an engaging portion engaged with the movable buckle 5, the engaging portion is preferably a lock hole 4A in this embodiment, and the other side of the box body 1 is provided with a hinge ring 11A adapted to the hinge post 21A. Due to the hinge structure, the box cover 2 can be not only clamped on the box body 1 but also rotated around the hinge structure, the hinge ring 11A is open, and the hinge columns 21A can be separated from the hinge ring 11A when the box cover 2 is rotated to a certain position.

The working principle of the embodiment is as follows:

when the box cover 2 needs to be detached, a worker presses the locking tongue 52 in the direction indicated by the mark 527 by stretching fingers into the hand-push groove 521, the elastic member 53 is continuously compressed until a part of the hand-push groove 521 enters the opening edge of the side of the free end of the opening 511 far away from the locking tongue 52, at this time, the fingers buckle the body 51 upwards while keeping the force in the unlocking direction, at this time, the upper wall of the sliding cavity 516 can provide a force application point for the fingers, and after one side of the movable buckle 5 of the box cover 2 is lifted, the box cover 2 rotates around the hinge structure until the hinge post 21A can be separated from the hinge ring 11A, the detachment work can be completed by separating the box cover 2.

When the box cover 2 needs to be installed, the following two modes are available:

the first mode is as follows: the worker needs to first sleeve the hinge post 21A into the hinge ring 11A, and then, while extending the fingers into the hand-push groove 521 to press the latch bolt 52 according to the direction indicated by the mark 527, the lid 2 is rotated until the lid 2 contacts the surface of the box 1 to release the fingers pressing the elastic member 53, and the elastic member 53 releases potential energy to automatically lock and engage the latch bolt 52 to complete the installation. The stop block 522 slides within the stop hole 512 to limit the travel of the locking bolt 52.

The second mode is as follows: the worker needs to firstly sleeve the hinge post 21A into the hinge ring 11A, then rotates the box cover 2, when the inclined surface 524 of the latch 52 contacts the edge of the box cover on the upper portion of the lock hole 4A, the inclined surface 524 starts to play a guiding role, continues to press the box cover 2 on one side of the movable buckle 5, and the latch 52 automatically retracts in the unlocking direction under the guiding role and finally is clamped into the lock hole 4A to complete installation. The stop block 522 slides within the stop hole 512 to limit the travel of the latch bolt 52.

It should be noted that, in the first and second embodiments, the fixed buckle 21 and the folded edge 11 may use the hinge post 21A and the hinge ring 11A in the third embodiment, and the specific structures of the engaging portions engaged with the movable buckle 5 may also be selected from each other, such as the locking hole 4A in the third embodiment, and the sinking groove 4 in the first and second embodiments may also be used.

As above, the utility model provides a quick assembly disassembly formula terminal box, the groove limit that spring bolt free end one side was kept away from to the hand push recess when the unblock was accomplished and is prepared to lift up the lid has surpassed the opening edge that the spring bolt free end one side was kept away from to the opening, and the finger can be withheld the opening edge during the user operation, just so can directly upwards apply the strength and lift up the lid, and the action is very light convenient. The elastic component sets up between activity buckle body and spring bolt, because the spring bolt slides very stably and the relative space in slip chamber has reduced at the body slip intracavity, just greatly reduced the risk that the card was taken off at elastic component both ends or warp, guaranteed that the installation can not be opened or can't the unblock is opened because the elastic component both ends are taken off the card and become invalid after the lid can not be opened by mistake because of the elastic component both ends. The movable buckle is simple, reliable and convenient to replace. The dust cover on the box body can well prevent dust and small animals from entering the box body to cause damage, and the sheath can effectively protect the cross-under cable from being cut by sharp edges.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims (10)

1. The utility model provides a quick assembly disassembly formula terminal box, includes box body (1) and lid (2) at least, the at least one end of lid (2) is provided with and is used for with movable buckle (5) of box body (1) lock, its characterized in that, movable buckle (5) are including body (51) of fixed joint on lid (2) and sliding lock tongue (52) of setting in body (51) be provided with elastic component (53) along the slip direction of lock tongue (52) between lock tongue (52) and body (51), the upper portion of body (51) is provided with opening (511), the upper portion of lock tongue (52) is provided with hand push recess (521), hand push recess (521) are kept away from relative body (51) of the trough rim of free end one side of lock tongue (52) are slidable to surpassing opening (511) are kept away from the opening edge of the free end one side of lock tongue (52).

2. The terminal cassette of claim 1, wherein a sliding cavity (516) for accommodating the latch (52) is disposed inside the body (51), the elastic member (53) is a compression spring (54) disposed between the latch (52) and a bottom of the sliding cavity (516), an annular groove (513) for mounting the compression spring (54) is disposed at the bottom of the sliding cavity (516), and a mounting post (523) for mounting the compression spring (54) is disposed at an end of the latch (52) facing the bottom of the sliding cavity.

3. Terminal closure according to claim 2, characterized in that the compression spring (54) is a conical compression spring, the small end of which is mounted in the annular groove (513) and the large end of which is mounted on the mounting post (523).

4. The terminal closure of claim 2, wherein a limiting hole (512) is formed in a lower cavity wall of the sliding cavity (516), a limiting block (522) is formed in a lower end surface of the latch tongue (52), and the limiting block (522) extends into the limiting hole (512).

5. The quick-dismounting terminal box according to claim 1, wherein a surrounding edge (517) is provided at an upper end of the body (51), a fixed clamping groove (514) is provided below the surrounding edge (517) at one end of the body (51), an elastic clamping sheet (515) is provided at the other end of the body (51), the elastic clamping sheet (515) extends obliquely from a side far away from the box cover (2) to the direction of the box cover (2), and a clamping gap (6) is formed between a free end of the elastic clamping sheet (515) and a lower surface of the surrounding edge (517).

6. The terminal closure of claim 5, wherein the cover (2) is provided with a mounting hole (22), a mounting frame (23) is fixed at the mounting hole (22), the mounting frame (23) is provided with a through hole (231) for mounting the body (51), and the width of the fixing slot (514) and the clamping gap (6) are adapted to the thickness of the mounting frame (23).

7. The terminal closure of claim 1, wherein the free end of the latch tongue (52) is provided with an engagement step (525), a slope (524) is provided below the engagement step (525), and an engagement portion engaged with the engagement step (525) is provided on the case body (1).

8. The terminal closure of claim 1, wherein the lid (2) is provided with a fixed buckle (21) for buckling with the body (1) at a side away from the movable buckle (5), and the body (1) is provided with a folded edge (11) for buckling with the fixed buckle (21).

9. Quick disconnect terminal closure according to claim 1, characterized in that the lid (2) is provided with hinge posts (21A) on the side away from the movable snap (5), and the body (1) is provided with hinge loops (11A) adapted to the hinge posts (21A).

10. The terminal closure of any one of claims 1-9, wherein the casing (1) is provided with a plurality of jacks (12) at one end, the casing (1) is provided with a plurality of through holes (13) at the other end, the through holes (13) are clamped with the sheath (14), and the inner wall of the channel of the sheath (14) is fixedly provided with a dust cover (141) through a plurality of connection points.

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