CN111130036A

CN111130036A - Clamping type junction box

Info

Publication number: CN111130036A
Application number: CN202010022987.2A
Authority: CN
Inventors: 梅有明; 陈建华; 陈永兵; 刘寿华; 戴宝驹
Original assignee: Yangzhou Langri New Energy Technology Co ltd
Current assignee: Yangzhou Langri New Energy Technology Co ltd
Priority date: 2020-01-09
Filing date: 2020-01-09
Publication date: 2020-05-08

Abstract

The invention belongs to the technical field of electrical devices, and particularly relates to a clamping type junction box. The mounting assembly comprises a fixed body and a movable body, the bottom end of the movable body can be clamped in the fixed body through an elastic element and can form detachable connection, the fixed body is small in height, wiring operation cannot be hindered completely, and the hidden trouble that the mounting column is damaged in the early stage and a problem appears after long-term use can be avoided. When the later stage is dismantled and is maintained, also can dismantle the movable body earlier and operate again, avoid haring the installation component. Even if the movable body cracks and slips in the long-term use process, the movable body can be conveniently and directly replaced, construction waste is not needed to be dug, the interior lines of the junction box are not needed to be worried, and the movable body is small in size and repaired in situ, does not need to be expanded and abutted by the box wall, is very simple and convenient to operate, extremely low in difficulty and cost, and has great popularization value and wide application prospect.

Description

Clamping type junction box

Technical Field

The invention belongs to the technical field of electrical devices, and particularly relates to a clamping type junction box.

Background

The junction box is an indispensable electrical device and widely applied to buildings such as families, shops, office buildings and the like, and is usually embedded in a wall body, and then a panel is fixed through a screw hole on an installation column in the junction box. Because terminal box inner space is less, when installing the cable in the terminal box, the existence of erection column has increased the operation degree of difficulty, even the damage of erection column also often leads to the small damage of cautious wing, the damage that appears in many later stages moreover all is because buckle earlier stage, collision make the erection column appear little damage, in case put into use, the erection column screw is under factor influences such as long-term atress, misuse, also very easily appear fracture, breakage, drop, damage such as smooth silk.

After the erection column damages, the panel can't firmly be connected on the terminal box, and the panel can drop even when serious, not only influences pleasing to the eye, and the electric wire exposes and still has serious potential safety hazard even. Because the junction box is pre-buried in wall body and decorative cover, if will change the junction box, then need break the peripheral wall body of junction box and decorative cover, not only complex operation, work load is big, and is consuming time hard, and needs professional technical personnel to cooperate the operation.

In the technical scheme of present conventionality, the common screw vaulting pole or the tensile formula terminal box restorer of steel sheet that adopts, nevertheless there is the crisp and decrease of terminal box material, inside wiring is mixed and disorderly, former erection column occupy-place difficult scheduling problem that removes, leads to the operation extremely difficult, often ends up with the failure. Chinese patent CN209282077U shows a remedy board, but it needs to destroy the wall, and is very troublesome to operate and less feasible. Chinese patent CN103401192B provides a replacement-free fixing clip for a concealed electrical junction box in a wall, which is fixed in a damaged concealed junction box in a wall by using self external expansion clamping force through two U-shaped fixing clips, and the upper and lower fixing bolts are not easy to align, and even if aligned, the expansion force is also affected, and the stable installation of a panel is difficult to ensure. Chinese patent CN104577903B provides a concealed fixing device for electrical junction box, which adopts a frame-shaped fixing clip to fasten inside the junction box, and the iron sheet at the mounting hole can move when screwing the bolt, and is difficult to align with the mounting hole on the panel, so that the stable mounting of the panel can not be ensured, and the fixing device can not be used in case of the internal electric wire running parallel to the connecting line of two binding posts. In addition, when the conventional replacement remedial measures are adopted, the original mounting posts are usually required to be detached, otherwise, the mounting posts cannot be normally installed and used, the mounting posts are also quite difficult to detach in the junction box fully distributed with the wires, and the possibility of damaging the whole junction box and the risk of electric shock exist.

In summary, the existing remedies have more or less operational or theoretical problems, and more importantly, no one has provided an effective solution to the problem of the mounting post being vulnerable. If the famous medical doctors and the inferior medical doctors are ill, the mounting column can be prevented from being damaged in the relatively stable use process because the mounting column is collided and bent due to the operation interference in the wiring process if the protection can be prevented in the bud, and the problem that the panel is difficult to stably mount is solved.

Disclosure of Invention

The invention aims to overcome the defects of the prior art, and provides a junction box for detachably connecting a mounting column for fixing a panel and a box body, which cannot cause interference in wiring operation, avoids damage to the mounting column, solves the problem of stable mounting of the panel from the source, and can be detached and replaced very conveniently even if cracking, sliding and the like occur due to long-term stress in the later period.

In order to achieve the purpose of the invention, the technical scheme adopted by the invention is as follows: the utility model provides a joint formula terminal box, includes the box body, the box body includes the box bottom, be equipped with the fixed body on the box bottom, the highly threading hole minimum that is less than the terminal box lateral wall of the fixed body, can dismantle the connection activity body on the fixed body, activity body bottom accessible elastic element card is in the fixed body, the activity body top is equipped with the mounting hole, the mounting hole is corresponding with the panel connecting hole, the fixed body constitutes the installation component of equipment panel with the activity body together. The fixed body height is very little, can not hinder the wiring operation completely, can not cause the damage in earlier stage, also can dismantle the re-operation with the activity body earlier when the maintenance is dismantled to the later stage in addition, even the activity body is owing to pass through the screw connection with the panel, long-term atress and the condition of taking place fracture, smooth silk, also can directly replace the activity body, and it is very simple and convenient to operate, and the degree of difficulty is little, with low costs.

Furthermore, the fixed body is located the box bottom and the corresponding position of panel connecting hole, the activity body is the column, the activity body bottom can be dismantled with the fixed body and be connected, the position that the activity body top corresponds the panel connecting hole is equipped with the mounting hole. Just facing the panel connecting hole of column activity body, the installation component atress condition is simple, and is firm to the fixed action of panel, even the activity body needs the replacement, also original position replacement, only need with the activity body dismantlement, install new activity body on former fixed body can, it is very convenient to operate.

Furthermore, the top surface of the fixed body is provided with an anti-rotation cavity, opposite side surfaces in the anti-rotation cavity form a retaining groove with a wide bottom and a narrow opening, the lower end of the movable body is provided with a plug-in connector capable of being placed into the anti-rotation cavity, two side surfaces of the plug-in connector corresponding to the retaining groove are provided with elastic pressing tongues, and the side surfaces of the elastic pressing tongues facing the retaining groove are provided with clamping teeth matched with the retaining groove. The rotation-proof cavity is not rotated relatively after being sleeved and matched with the fixing body, and can be triangular, square, elliptical, polygonal or even other special shapes as long as the rotation-proof cavity is not circular, so as to realize circumferential fixation. The fixing mode of stopping groove and bayonet joint is similar to net twine crystal head, presses the elasticity and presses the tongue and can send the latch into in the stopping groove, loosens elasticity and presses behind the tongue latch to be fixed and can't withdraw from in the stopping groove and realize bayonet joint's fixed promptly to be connected the movable body with fixed body, later just can carry out the panel mounting.

Furthermore, the fixed body is located the both sides of the corresponding position of box bottom and panel connecting hole, the activity body is the shape of falling the U, two bottoms of activity body can be dismantled with two fixed bodies respectively and be connected, the position that the activity body top middle part corresponds the panel connecting hole is equipped with the mounting hole. The connecting hole of present panel all is located the middle part of side, but the threading pipe just need get into the terminal box from the middle part of box body lateral wall sometimes, and the erection column at side middle part will hinder wearing to establish of wire and arrange, consequently sets up the U-shaped movable body that falls, and the fixed body that corresponds also sets up in the connecting hole both sides, and the wire at middle part just can be followed and fallen to pass in the middle of the U-shaped movable body recess like this, and the mounting hole at movable body middle part still can realize the installation with the connecting hole adaptation of panel.

Furthermore, the top surface of the fixed body is provided with an inserting cavity, opposite side surfaces in the inserting cavity form a stopping groove with a wide bottom opening, the end surfaces of two bottom ends of the movable body are respectively provided with an inserting head capable of being inserted into the inserting cavity, two side surfaces of the inserting head corresponding to the stopping groove are provided with an elastic pressing tongue, and the side surface of the elastic pressing tongue facing the stopping groove is provided with a latch matched with the stopping groove. The fixing mode of stopping groove and bayonet joint is similar to net twine crystal head, presses the elasticity of two bottoms of movable body respectively and presses the tongue, sends the latch into in the stopping groove, loosens elasticity and presses the tongue after the latch is fixed promptly and can't withdraw from in the stopping groove, realizes two bayonet joints and grafting fixed in chamber to be connected movable body and fixed body, later just can carry out the panel mounting.

Furthermore, the three fixing bodies are respectively positioned at the position of the box bottom corresponding to the panel connecting hole and at the two sides of the position of the box bottom corresponding to the panel connecting hole; correspondingly, the movable bodies comprise two types, one type is columnar, the bottom end of each movable body is detachably connected with the fixed body of the corresponding panel connecting hole, and the top end of each movable body is provided with a mounting hole corresponding to the panel connecting hole; the utility model provides a movable body is the shape of falling U, two bottoms of movable body can dismantle with two fixed bodies that correspond panel connecting hole lateral part respectively and be connected, the position that the middle part of movable body top corresponds the panel connecting hole is equipped with the mounting hole. Two sets of mounting assemblies are equivalently configured for each panel connecting hole, a middle fixed body of the box bottom, which is opposite to the panel connecting hole, is connected with the columnar movable body, and two offset fixed bodies of the box bottom, which are corresponding to two sides of the panel connecting hole, are connected with the inverted U-shaped movable body. When box body one side needs the middle part inlet wire, when the opposite side does not need the middle part inlet wire: the one side that needs the middle part inlet wire can adopt the U-shaped movable body that falls, and the wire at middle part just can be followed and passed in the middle of the U-shaped movable body, and it is more convenient to walk the line operation, and does not need one side of middle part inlet wire to adopt with the column movable body, and the installation operation gets up more portably, installation component's atress condition is also more stable, has just so taken into account and has walked line convenience and simple to operate, and the installation is also more firm simultaneously.

The box bottom is provided with two sets of fixed bodies corresponding to each panel connecting hole, the fixed bodies comprise a middle fixed body which is right opposite to the panel connecting hole and two offset fixed bodies which are corresponding to two sides of the panel connecting hole, correspondingly, the movable bodies are also matched with the two sets of fixed bodies, and the movable bodies comprise a columnar movable body matched with the middle fixed body and an inverted U-shaped movable body matched with the offset fixed body; the top surface of the middle fixed body is provided with an anti-rotation concave cavity, opposite side surfaces in the anti-rotation concave cavity form a backstop groove with a narrow bottom width, the end surface of the lower end of the columnar movable body is provided with a plug-in connector capable of being placed into the anti-rotation concave cavity, two side surfaces of the plug-in connector, corresponding to the backstop groove, are provided with elastic pressing tongues, the side surfaces of the elastic pressing tongues, facing the backstop groove, are provided with clamping teeth matched with the backstop groove, the anti-rotation concave cavity and the plug-in connector are fixed in a manner similar to a network cable crystal head, the clamping teeth can be fed into the backstop groove by pressing the elastic pressing tongues, and the clamping teeth are fixed in the backstop groove after the elastic pressing tongues are released so as not to realize the fixation of the plug; the top surface of the bias fixed body is provided with an inserting cavity, opposite side surfaces in the inserting cavity form a stopping groove with a narrow bottom width opening, the end surfaces of two bottom ends of the inverted U-shaped movable body are respectively provided with an inserting head capable of being placed into the inserting cavity, two side surfaces of the inserting head corresponding to the stopping groove are provided with an elastic pressing tongue, the side surface of the elastic pressing tongue facing the stopping groove is provided with a latch matched with the stopping groove, the fixing mode of the inserting cavity and the inserting head is similar to that of a network cable crystal head, the elastic pressing tongues of the two bottom ends of the movable body are respectively pressed, the latch is sent into the stopping groove, the latch is fixed in the stopping groove after the elastic pressing tongue is released, and the two inserting heads and the inserting cavity are fixed, so that the inverted U-shaped movable body is connected with the bias fixed body. The panel can be mounted after the movable body is mounted as required.

The invention has the following beneficial effects:

the mounting assembly comprises a fixed body and a movable body, the bottom end of the movable body can be clamped in the fixed body through an elastic element and can form detachable connection, the fixed body is small in height, wiring operation cannot be hindered completely, and the hidden trouble that the mounting column is damaged in the early stage and a problem appears after long-term use can be avoided. Also can dismantle the movable body earlier when the maintenance is dismantled in the later stage and get off and operate again, also can avoid causing the damage to the installation component. Even if the movable body is connected with the panel through the screw, the movable body can be directly replaced conveniently and rapidly under the conditions of cracking and wire sliding due to long-term stress, construction waste is not needed to be dug in the wall body, the trouble of wiring in the junction box is not needed to be worried, and the movable body is small in size, repaired in situ, expanded and abutted without depending on the box wall, so that the operation is very simple and convenient, the difficulty is extremely low, the cost is extremely low, and the movable body has great popularization value and wide application prospect.

Drawings

FIG. 1 is a perspective view of a conventional junction box;

FIG. 2 is a front cut-away view of a conventional junction box;

FIG. 3 is a top view of a conventional junction box;

FIG. 4 is a front cut-away schematic view of a first embodiment of the present invention;

FIG. 5 is a top view of the present invention in FIG. 4;

FIG. 6 is a left side cutaway schematic view of a second embodiment of the present invention;

FIG. 7 is a top view of the present invention in FIG. 6;

FIG. 8 is a front cut-away schematic view of FIG. 7 of the present invention;

FIG. 9 is a left side cutaway schematic view of a third embodiment of the present invention;

FIG. 10 is a top view of the present invention in FIG. 9;

fig. 11 is a front cut-away schematic view of fig. 10 of the present invention.

Detailed Description

As shown in fig. 1 to 3, the shape and style of a conventional junction box are shown, and in the figure, a 86-type square junction box which is most widely used is shown, it should be firstly explained that there are many types and shapes of junction boxes, such as 74-type, 120-type and 146-type, and also such as rectangle, octagon and ellipse, but as long as the mounting posts are used for mounting the panel on the junction box, there are problems that the mounting posts damage the rear panel, the rear panel cannot be stably mounted, a safety hazard exists, and repair is very difficult. Since the 86-type junction box is most widely used, the present invention will be described in detail below with reference to the 86-type junction box as an example.

Combine shown in fig. 4 ~ 11, a joint formula terminal box has been demonstrated, comprises a box bod, the box body includes the box bottom 1, is equipped with the fixed body 2 on the box bottom 1, the highly be less than the lowest of through wires hole of terminal box lateral wall of the fixed body 2, can dismantle on the fixed body 2 and connect the

activity body

3, 3 bottom accessible elastic element cards of activity body are in the

fixed body

2, 3 tops of activity body are equipped with the mounting hole, the mounting hole is corresponding with the panel connecting hole, the fixed body 2 constitutes the installation component of equipment panel together with the activity body 3. The installation component comprises a fixed body 2 at the bottom of the box and a movable body 3 detachably connected with the fixed body 2, the height of the fixed body 2 is very small, wiring operation cannot be hindered completely, and the hidden trouble that the front-stage damage is caused and the problem is caused later and in long-term use is avoided. Also can dismantle earlier the activity body 3 when the maintenance is dismantled in the later stage and operate again, also can avoid causing the damage to the installation component. Even if the movable body 3 is connected with the panel through the screw, and cracks and slides due to long-term stress, the movable body 3 can be conveniently and directly replaced, so that the wall body is not required to be dug to generate construction waste, the internal circuit of the junction box is not required to be worried about, and the movable body 3 is small in size, repaired in situ, not required to be expanded and abutted by the box wall, so that the operation is very simple and convenient, the difficulty is extremely low, and the cost is extremely low.

It should be understood that the basic concept of the invention is presented herein to show the technical spirit of the invention, and the following embodiments are to be construed as being limited by the following embodiments, and any other changes, modifications, substitutions, combinations and simplifications which do not depart from the spirit and principle of the invention should be regarded as equivalent substitutions and shall be included within the scope of the invention.

Example 1

Referring to fig. 4-5, an embodiment of a snap-fit terminal block is shown. . The fixed body 2 is located the corresponding position of box bottom 1 and panel connecting hole, and the activity body 3 is the column, and 3 bottoms of activity body can be dismantled with fixed body 2 and be connected, and the position that the 3 tops of activity body correspond the panel connecting hole is equipped with the mounting hole. The positive opposite panel connecting hole of column activity body 3, the installation component atress condition is simple, firm to the fixed action of panel, the installation operation is also very convenient with the use, even activity body 3 is owing to pass through screw connection with the panel in addition, long-term atress and the fracture takes place, the condition of smooth silk, also can be directly with the activity body replacement, in the time of replacement, wire electric power has been connected, the terminal box is inside more in disorder, but when replacing column activity body 3, be the replacement in situ, need not move inside wire and open up new space, only need dismantle activity body 3, install new activity body 3 on former fixed body 2 can, because activity body 3 small in size, in situ replacement again, therefore it is very convenient to operate.

Furthermore, the top surface of the fixed body 2 is provided with an anti-rotation cavity, the opposite side surfaces in the anti-rotation cavity form a retaining groove with a wide bottom and a narrow opening, the lower end of the movable body 3 is provided with a plug-in connector capable of being placed into the anti-rotation cavity, two side surfaces of the plug-in connector corresponding to the retaining groove are provided with elastic pressing tongues, and the side surfaces of the elastic pressing tongues facing the retaining groove are provided with clamping teeth matched with the retaining groove. The rotation-proof cavity is a cavity which can not rotate relatively after being sleeved and matched with the fixing body 2 and can be triangular, square, oval, polygonal or even other special shapes as long as the cavity is not circular, so as to realize circumferential fixation. The fixing mode of stopping groove and bayonet joint is similar to net twine crystal head, presses the elasticity and presses the tongue and can send the latch into in the stopping groove, loosens elasticity and presses behind the tongue latch to be fixed and can't withdraw from in the stopping groove and realize bayonet joint's fixed promptly to be connected movable body 3 and fixed body 2, later just can carry out the panel mounting.

Example 2

Referring to fig. 6 to 8, an embodiment of a snap-fit terminal box is shown. The fixed body 2 is located the both sides of the corresponding position of box bottom 1 and panel connecting hole, and the activity body 3 is the shape of falling the U, and two bottoms of activity body 3 can be dismantled with two fixed bodies 2 respectively and be connected, and the position that the middle part of 3 tops of activity body corresponds the panel connecting hole is equipped with the mounting hole. The connecting hole of present panel all is located the middle part of side, but the threading pipe just need get into the terminal box from the middle part of box body lateral wall sometimes, and the erection column at side middle part will hinder wearing to establish of wire and arrange, consequently set up the U-shaped movable body 3 that falls, the fixed body 2 that corresponds also sets up in the connecting hole both sides, the wire at middle part just can be followed and fall to pass in the recess in the middle of the U-shaped movable body 3 like this, and the mounting hole at 3 top surfaces middle parts of the movable body still can realize the installation with the connecting hole adaptation of panel.

Furthermore, the top surface of the fixed body 2 is provided with an inserting cavity, opposite side surfaces in the inserting cavity form a stopping groove with a wide bottom opening, the end surfaces of two bottom ends of the movable body 3 are respectively provided with an inserting head capable of being placed into the inserting cavity, two side surfaces of the inserting head corresponding to the stopping groove are provided with an elastic pressing tongue, and the side surface of the elastic pressing tongue facing the stopping groove is provided with a latch matched with the stopping groove. The fixed mode of stopping groove and bayonet joint is similar to net twine crystal head, presses the elasticity of two bottoms of movable body 3 respectively and presses the tongue, sends the latch into the stopping groove, loosens elasticity and presses the latch back and be fixed promptly and can't withdraw from in the stopping groove, realizes two bayonet joints and fixed of grafting chamber to be connected movable body 3 and fixed body 2, later just can carry out the installation of panel through the mounting hole of movable body 3.

Example 3

Referring to fig. 9-11, an embodiment of a snap-fit terminal block is shown. The fixing bodies 2 are respectively positioned at the corresponding positions of the box bottom 1 and the panel connecting holes and at two sides of the corresponding positions of the box bottom 1 and the panel connecting holes; correspondingly, the movable bodies 3 comprise two types, one type of the movable body 3 is columnar, the bottom end of the movable body 3 is detachably connected with the fixed body 2 of the panel connecting hole, and the top end of the movable body 3 is provided with a mounting hole corresponding to the panel connecting hole; a movable body 3 is in an inverted U shape, two bottom ends of the movable body 3 are detachably connected with two fixed bodies 2 corresponding to the side portions of a panel connecting hole respectively, and a mounting hole is formed in the middle of the top end of the movable body 3 corresponding to the position of the panel connecting hole.

Equivalently, two sets of mounting assemblies are configured for each panel connecting hole, the middle fixed body 21 of the box bottom, which is opposite to the panel connecting hole, is connected with the columnar movable body 31, and the two offset fixed bodies 22 of the box bottom, which are opposite to the two sides of the panel connecting hole, are connected with the inverted U-shaped movable body 32. When box body one side needs the middle part inlet wire, when the opposite side does not need the middle part inlet wire: one side that needs the middle part inlet wire can adopt the U-shaped movable body 32 that falls, and the wire at middle part just can pass in the recess in the middle of the U-shaped movable body 32 that falls, and it is more convenient to walk the line operation, and does not need one side of middle part inlet wire to adopt with the column movable body 31, and the installation gets up more portably, installation component's atress condition is also more stable, has just so taken into account and has walked line convenience and simple to operate, and the installation is also more firm simultaneously. And after each panel connecting hole is provided with two sets of mounting assemblies, even if one set of mounting assemblies is damaged, the other set of spare mounting assemblies can be immediately used for replacing, and the potential safety hazard of panel loosening is rapidly eliminated.

In addition, although the consumer can choose for use column activity body 3 or the U-shaped activity body 3 of falling according to actual conditions, the box body only needs the production facility of a form when manufacturing, no matter how market is to activity body 3's demand, the terminal box that has three fixed bodies 3 can all satisfy activity body 3's normal installation and use, has practiced thrift production administrative cost and consumer selection cost greatly.

Further, the box bottom 1 is provided with two sets of fixed bodies 2 corresponding to each panel connecting hole, the fixed bodies include a central fixed body 21 opposite to the panel connecting hole, two offset fixed bodies 22 corresponding to two sides of the panel connecting hole, correspondingly, the movable bodies 3 are also matched with the two sets, and the movable bodies include a columnar movable body 31 matched with the central fixed body 21 and an inverted U-shaped movable body 32 matched with the offset fixed bodies 22.

The fixed body 21 top surface is equipped with prevents that the commentaries on classics cavity (prevent that the commentaries on classics cavity is non-circular, for example triangle-shaped, square, ellipse, polygon or other dysmorphism from, as long as can realize that circumference is fixed can), the relative lateral surface forms the narrow stopping groove of end width mouth in preventing changeing the cavity, the terminal surface of column activity body 31 lower extreme is equipped with the bayonet joint that can put into prevents changeing the cavity, the both sides face that the bayonet joint corresponds the stopping groove is equipped with the elasticity and presses the tongue, the side that elasticity is pressed the tongue towards the stopping groove is equipped with the latch with stopping groove adaptation, the fixed mode of preventing changeing cavity and bayonet joint is similar to net twine crystal head, press the elasticity and press the tongue and can send the latch into in the stopping groove, the latch can's unable withdrawal from in the stopping groove realization bayonet joint's fixed after relaxing the elasticity and pressing the tongue promptly, thereby.

The top surface of the bias fixed body 22 is provided with an inserting cavity (the cross section shape of the inserting cavity is not limited and can be circular, and can also be unified with the middle fixed body 21 for the convenience of manufacturing), the opposite side surfaces in the inserting cavity form a stopping groove with a wide bottom and a narrow opening, the end surfaces of the two bottom ends of the inverted U-shaped movable body 32 are provided with inserting connectors which can be placed into the inserting cavity, the two side surfaces of the inserting connector corresponding to the stopping groove are provided with elastic pressing tongues, the side surface of the elastic pressing tongue facing the stopping groove is provided with clamping teeth matched with the stopping groove, the fixing mode of the inserting cavity and the inserting connectors is similar to that of a network cable crystal head, the elastic pressing tongues of the two bottom ends of the movable body 3 are respectively pressed, the clamping teeth are sent into the stopping groove, the clamping teeth are fixed in the stopping groove and cannot retreat after the elastic pressing tongues are released, and the fixing of the two inserting connectors and inserting cavities is realized, so that the inverted U. The panel can be mounted after the movable body 2 is mounted as required.

It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

It will be understood that the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention, and do not indicate or imply that the components or mechanisms so referred to must be in a particular orientation, constructed and operated in a particular orientation, and thus are not to be considered as limiting the invention.

Claims

1. The utility model provides a joint formula terminal box, includes the box body, its characterized in that: the box body includes box bottom (1), be equipped with fixed body (2) on box bottom (1), the highly be less than the lowest department of the through wires hole of terminal box lateral wall of fixed body (2), can dismantle on the fixed body (2) and connect activity body (3), activity body (3) bottom accessible elastic element card is in fixed body (2), activity body (3) top is equipped with the mounting hole, the mounting hole is corresponding with the panel connecting hole, fixed body (2) constitute the installation component of equipment panel together with activity body (3).

2. The snap-in connector of claim 1, wherein: the fixed body (2) is located the corresponding position of box bottom (1) and panel connecting hole, activity body (3) are the column, activity body (3) bottom can be dismantled with fixed body (2) and be connected, the position that activity body (3) top corresponds the panel connecting hole is equipped with the mounting hole.

3. The snap-in connector of claim 2, wherein: the anti-rotation device is characterized in that an anti-rotation cavity is formed in the top surface of the fixed body (2), a stop groove with a wide bottom and a narrow opening is formed in the opposite side surface of the anti-rotation cavity, a plug-in connector capable of being placed into the anti-rotation cavity is arranged at the lower end of the movable body (3), an elastic pressing tongue is arranged on the two side surfaces of the plug-in connector corresponding to the stop groove, and a clamping tooth matched with the stop groove is arranged on the side surface of the elastic pressing tongue facing the stop groove.

4. The snap-in connector of claim 1, wherein: the fixed body (2) is located the both sides of the corresponding position of box bottom (1) and panel connecting hole, activity body (3) are the shape of falling the U, two bottoms of activity body (3) can be dismantled with two fixed bodies (2) respectively and be connected, the position that corresponds the panel connecting hole in activity body (3) top middle part is equipped with the mounting hole.

5. The snap-in connector of claim 4, wherein: the top surface of the fixed body (2) is provided with an inserting cavity, opposite side surfaces in the inserting cavity form a stopping groove with a wide bottom and a narrow opening, the end surfaces of two bottom ends of the movable body (3) are respectively provided with an inserting head capable of being placed into the inserting cavity, two side surfaces of the inserting head corresponding to the stopping groove are provided with elastic pressing tongues, and the side surfaces of the elastic pressing tongues facing the stopping groove are provided with clamping teeth matched with the stopping groove.

6. The snap-in connector of claim 1, wherein: the three fixing bodies (2) correspond to each panel connecting hole and are respectively positioned at the position of the box bottom (1) corresponding to the panel connecting hole and at the two sides of the position of the box bottom (1) corresponding to the panel connecting hole; correspondingly, the movable bodies (3) comprise two types, one type of the movable body (3) is columnar, the bottom end of the movable body (3) is detachably connected with the fixed body (2) of the opposite panel connecting hole, and a mounting hole is formed in the position, corresponding to the panel connecting hole, of the top end of the movable body (3); the movable body (3) is in an inverted U shape, two bottom ends of the movable body (3) are detachably connected with two fixed bodies (2) corresponding to the side portions of a panel connecting hole respectively, and a mounting hole is formed in the middle of the top end of the movable body (3) corresponding to the panel connecting hole.

7. The snap-in connector of claim 6, wherein: the box bottom (1) is provided with two sets of fixed bodies (2) corresponding to each panel connecting hole, the fixed bodies comprise a central fixed body (21) which is opposite to the panel connecting hole, two offset fixed bodies (22) which are corresponding to two sides of the panel connecting hole, correspondingly, the movable bodies (3) are also matched with the two sets, and the movable bodies comprise a columnar movable body (31) matched with the central fixed body (21) and an inverted U-shaped movable body (32) matched with the offset fixed body (22);

an anti-rotation concave cavity is formed in the top surface of the middle fixed body (21), a backstop groove with a narrow bottom width is formed in the opposite side surfaces in the anti-rotation concave cavity, a plug-in connector capable of being placed in the anti-rotation concave cavity is arranged on the end surface of the lower end of the columnar movable body (31), an elastic pressing tongue is arranged on the two side surfaces of the plug-in connector corresponding to the backstop groove, and a clamping tooth matched with the backstop groove is arranged on the side surface of the elastic pressing tongue facing the backstop groove;

the top surface of the bias fixed body (22) is provided with an inserting cavity, opposite side surfaces in the inserting cavity form a stopping groove with a wide bottom and a narrow opening, the end surfaces of two bottom ends of the inverted U-shaped movable body (32) are respectively provided with an inserting head capable of being placed into the inserting cavity, two side surfaces of the inserting head corresponding to the stopping groove are provided with elastic pressing tongues, and the side surfaces of the elastic pressing tongues facing the stopping groove are provided with clamping teeth matched with the stopping groove.