CN215989537U

CN215989537U - Plug-in type wiring terminal box

Info

Publication number: CN215989537U
Application number: CN202122110747.0U
Authority: CN
Inventors: 孙军权
Original assignee: State Grid Xinjiang Electric Power Co Ltd Aksu Power Supply Co; State Grid Corp of China SGCC
Current assignee: State Grid Xinjiang Electric Power Co Ltd Aksu Power Supply Co; State Grid Corp of China SGCC
Priority date: 2021-09-02
Filing date: 2021-09-02
Publication date: 2022-03-08
Anticipated expiration: 2031-09-02

Abstract

The utility model relates to the technical field of a wiring terminal box, in particular to a plug-in type wiring terminal box, which comprises a female wiring terminal box and a sub-wiring terminal box inserted into the inner side of the female wiring terminal box, wherein the female wiring terminal box comprises a first wiring terminal side and a jack side, the jack side comprises a fixing block, a voltage line jack and a current inlet and outlet line jack, at least three voltage line jacks are arranged on the left side and the right side of the upper part of the fixing block at intervals, elastic sheets are arranged on the left side and the right side inside each voltage line jack, and at least two current inlet and outlet line jacks are arranged on the right side and the left side of the upper part of the fixing block at intervals. According to the utility model, the female wiring terminal box and the sub-wiring terminal box which are connected in an inserting manner are arranged, the female wiring terminal box is connected with the current transformer in advance, the sub-wiring terminal box is connected with the ammeter, when the ammeter is reloaded on site, the reloading of the ammeter can be completed only by inserting the female wiring terminal box and the sub-wiring terminal box together, so that the wire stripping and the voltage and current screw dismounting are not required on site, therefore, the ammeter reloading process is reduced, and the ammeter reloading efficiency is improved.

Description

Plug-in type wiring terminal box

Technical Field

The utility model relates to the technical field of wiring terminal boxes, in particular to a plug-in type wiring terminal box.

Background

The connection terminal box is a switching construction line, marks branch lines and provides a convenient interface device for wiring and line inspection. Under some circumstances, in order to facilitate construction and debugging, products which are special and are regularly installed, such as short-circuit isolators and the like, can be installed in the wiring terminal box, when the existing wiring terminal box is used for installing a meter, on-site wire stripping and connection of voltage and current screws are needed, the process is complex, and the time consumption is long.

Disclosure of Invention

The utility model provides a plug-in type wiring terminal box, overcomes the defects of the prior art, and can effectively solve the problem that the existing wiring terminal box needs to be subjected to on-site wire stripping and voltage and current screw dismounting when used for meter installation, and the process is complex.

The technical scheme of the utility model is realized by the following measures: a plug-in type wiring terminal box comprises a female wiring terminal box and a sub-wiring terminal box inserted into the inner side of the female wiring terminal box, wherein the female wiring terminal box comprises a first wiring terminal side and a jack side, the jack side comprises a fixed block, voltage line jacks and current inlet and outlet line jacks, at least three voltage line jacks are arranged on the left side and the right side of the upper portion of the fixed block at intervals, elastic pieces are arranged on the left side and the right side inside each voltage line jack, at least two current inlet and outlet line jacks are arranged on the left side and the right side of the upper portion of the fixed block at intervals, at least one current connecting piece is arranged on the left side and the right side inside each current inlet and outlet line jack at intervals up and down, a first wiring terminal side is arranged at the bottom of the fixed block, and the upper portion of the first wiring terminal side is fixedly connected with the elastic piece at the corresponding position and the bottom of the first current connecting piece; the sub-wiring terminal box comprises a plug side and a second wiring terminal side, the plug side is provided with a plug matched with a voltage line jack and a current incoming and outgoing line jack, the plug corresponding to the position of the voltage line jack is inserted into the inner side of the voltage line jack and offsets with an elastic sheet, the plug corresponding to the position of the current incoming and outgoing line jack is inserted into the inner side of the current incoming and outgoing line jack and offsets with a current connecting sheet, the upper part of the plug extends to the inner part of the second wiring terminal side corresponding to the position, and the plug is made of conductive materials.

The following are further optimization or/and improvement of the technical scheme of the utility model:

the first wiring terminal side can comprise a first box body and a first wiring terminal, a first cavity is formed in the first box body, the top of the first box body is fixedly connected with the bottom of the fixed block, each voltage line jack and the bottom of each current incoming and outgoing line jack are respectively provided with the first wiring terminal, the top of the first wiring terminal corresponding to the position of each voltage line jack is connected with the bottom of the elastic piece, the top of the first wiring terminal corresponding to the position of each current incoming and outgoing line jack is connected with the bottom of the current connecting piece located at the bottom of the current incoming and outgoing line jack, and the bottom of each first wiring terminal extends to the inner side of the first box body.

The bottom of the first box body can be provided with a first communicating hole which is communicated with the inside and the outside; or/and, first box body includes box body, first back box body and first screw before first box body, and the inside central authorities of box body are equipped with the axis and are the first fixed column of front-back to distributing, and first fixed column inboard is equipped with the first internal thread hole that the opening is forward, and the first preceding box body front side that corresponds first internal thread hole position is equipped with the first screw hole that link up around, and the spiro union is inboard in first internal thread hole behind the first screw hole is passed to the screw rod end rear portion of first screw.

The jack side can also comprise a spring, an opening is arranged in the current inlet and outlet wire jack corresponding to the middle position of each current connecting piece, an inner side mounting hole of the current inlet and outlet wire jack is fixedly connected with one end of the spring in the mounting hole corresponding to the position, and the other end of the spring is fixedly connected with the outer side of the current connecting piece close to one side of the mounting hole corresponding to the position.

Above-mentioned plug side still can include with fixed block assorted second box body, the downward and inside second cavity that is equipped with of second box body opening, the plug includes first plug and second plug, the interval is equipped with the first plug that at least three corresponds with the voltage line jack about second cavity upper portion left side, first plug is pegged graft in the voltage line jack inboard that corresponds the position, the interval is equipped with at least two and the corresponding second plug of electric current business turn over line jack about second cavity upper portion right side, the second plug is pegged graft in the electric current business turn over line jack inboard that corresponds the position.

The second wiring terminal side can comprise a third box body and second wiring terminals, a third cavity is formed in the third box body, the bottom of the third box body is fixedly connected with the top of the second box body, the upper parts of each first plug and each second plug are provided with the second wiring terminals, and the upper ends of the second wiring terminals extend to the inner side of the third box body; or/and the top of the third box body is provided with a second communication hole which is communicated with the inside and the outside; and the rear part of the screw end of the second screw penetrates through the second threaded hole and then is screwed in the inner side of the second internal threaded hole.

The outer side of the fixing block can be provided with at least one first lead seal, and a second lead seal which is communicated with the inside and the outside is arranged on the second box body corresponding to the position of the first lead seal.

According to the utility model, the female wiring terminal box and the sub-wiring terminal box which are connected in an inserting manner are arranged, the female wiring terminal box is connected with the current transformer in advance, the sub-wiring terminal box is connected with the ammeter, when the ammeter is reloaded on site, the reloading of the ammeter can be completed only by inserting the female wiring terminal box and the sub-wiring terminal box together, so that the wire stripping and the voltage and current screw dismounting are not required on site, therefore, the ammeter reloading process is reduced, and the ammeter reloading efficiency is improved.

Drawings

Fig. 1 is a schematic front view of an embodiment of the present invention.

Fig. 2 is a schematic perspective view of a female terminal block along direction a in the embodiment of the present invention.

Fig. 3 is a schematic top view of fig. 2.

Fig. 4 is a front sectional structural view of the female terminal block of fig. 1.

Fig. 5 is a front sectional structural view of the sub-terminal block shown in fig. 1.

The codes in the figures are respectively: 1 is the fixed block, 2 is the voltage line jack, 3 is the shell fragment, 4 is electric current business turn over line jack, 5 is the electric current even piece, 6 is first binding post, 7 is box body before first, 8 is box body after first, 9 is first screw, 10 is the spring, 11 is the second box body, 12 is first plug, 13 is the second plug, 14 is second binding post, 15 is box body after the second, 16 is the second screw, 17 is first fixed column, 18 is first internal thread hole, 19 is the second fixed column, 20 is second internal thread hole, 21 seals for first lead, 22 seals for the second lead, 23 is box body before the second.

Detailed Description

The present invention is not limited by the following examples, and specific embodiments may be determined according to the technical solutions and practical situations of the present invention.

In the present invention, for convenience of description, the description of the relative positional relationship of the components is described according to the layout pattern of fig. 1 of the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of fig. 1 of the specification.

The utility model is further described with reference to the following examples and figures:

as shown in the attached drawings 1 to 5, the plug-in type wiring terminal box comprises a female wiring terminal box and a sub-wiring terminal box inserted into the inner side of the female wiring terminal box, the female wiring terminal box comprises a first wiring terminal side and a jack side, the jack side comprises a fixing block 1, voltage line jacks 2 and current inlet and outlet jacks 4, at least three voltage line jacks 2 are arranged on the left side and the right side of the upper part of the fixing block 1 at intervals, elastic pieces 3 are arranged on the left side and the right side of the inner part of each voltage line jack 2, at least two current inlet and outlet jacks 4 are arranged on the left side and the right side of the upper part of the fixing block 1 at intervals, at least one current connecting piece 5 is arranged on the left side and the right side of the inner part of each current inlet and outlet jack 4 at intervals from top to bottom, a first wiring terminal side is arranged at the bottom of the fixing block 1, and the upper part of the first wiring terminal side is fixedly connected with the elastic pieces 3 at the corresponding position and the bottom of the first current connecting piece 5; the sub-wiring terminal box comprises a plug side and a second wiring terminal side, the plug side is provided with a plug which is matched with a voltage line jack 2 and a current incoming and outgoing line jack 4, the plug which corresponds to the position of the voltage line jack 2 is inserted into the inner side of the voltage line jack 2 and is offset with an elastic sheet 3, the plug which corresponds to the position of the current incoming and outgoing line jack 4 is inserted into the inner side of the current incoming and outgoing line jack 4 and is offset with a current connecting sheet 5, the upper part of the plug extends to the inner side of the second wiring terminal which corresponds to the position, and the plug is made of conductive materials.

The current connecting piece 5 can be made of a known copper sheet material, and the plug can also be made of a known copper sheet material, so that the plug can be conveniently connected with the elastic piece 3 and the current connecting piece 5 for conducting electricity.

According to needs, the dimensions of the voltage wire jack 2 can be 5mm wide, 2.1mm thick and 25mm deep, the dimensions of the current in-out wire jack 4 can be 5mm wide, 5.1mm thick and 30mm deep, and the elastic sheet 3 can be a copper sheet with cross-sectional dimensions of 5mm (5 mm wide and 1mm thick); through setting up voltage line jack 2 and electric current business turn over line jack 4 respectively, need prevent when avoiding the on-the-spot ammeter of reloading and miss the problem of touching electrified positions such as electric current even piece 5, make the on-the-spot ammeter of reloading need not to touch electrified part, ensured staff's safety.

According to the requirement, the voltage line jacks 2 are A, B, C three-phase voltage line jacks 2 from left to right, the current inlet and outlet line jacks 4 are A, C two-phase current inlet and outlet line jacks 4 from left to right, wherein the two-phase current inlet and outlet line jacks are aS1, aS2, cS1 and cS2 respectively, the B-phase voltage line jacks 2 are shared with the ground line, the aS1 and the aS2 share one current inlet and outlet line jack 4, and the cS1 and the cS2 share one current inlet and outlet line jack 4; before the power transmission, connect current transformer secondary terminal to first binding post side, when carrying out the dismouting ammeter during operation, connect ammeter side secondary line to second binding post side in advance, when the on-the-spot dismouting ammeter, only need insert current transformer's jack side with the plug side of ammeter side, can accomplish the work of dismouting table.

In conclusion, the female wiring terminal box and the sub-wiring terminal box which are connected in an inserting mode are arranged, the female wiring terminal box is connected with the current transformer in advance, the sub-wiring terminal box is connected with the ammeter, when the ammeter is replaced on site, the ammeter can be replaced only by inserting the female wiring terminal box and the sub-wiring terminal box together, and therefore wire stripping and voltage and current screw dismounting are not needed on site, the ammeter replacing process is reduced, and the ammeter replacing efficiency is improved.

The plug-in type wiring terminal box can be further optimized or/and improved according to actual needs:

as shown in the attached

drawings

2 and 4, the first wiring terminal side comprises a first box body and a first wiring terminal 6, a first cavity is arranged inside the first box body, the top of the first box body is fixedly connected with the bottom of the fixed block 1, the bottom of each voltage line jack 2 and each current incoming and outgoing line jack 4 is provided with the first wiring terminal 6, the top of the first wiring terminal 6 corresponding to the position of the voltage line jack 2 is connected with the bottom of the elastic sheet 3, the top of the first wiring terminal 6 corresponding to the position of the current incoming and outgoing line jack 4 is connected with the bottom of the current connecting sheet 5 positioned at the bottom of the current incoming and outgoing line jack 4, and the bottom of each first wiring terminal 6 extends to the inner side of the first box body.

According to the requirement, the first box body can be an insulating material box body with the width of 80mm, the thickness of 15mm and the length of 80 mm; the connecting terminal can be made of the existing known copper sheet material, and is convenient to be connected and conductive with the elastic sheet 3 and the current connecting sheet 5; by disposing the first connection terminal 6 inside the first casing, the metal portion of the first connection terminal 6 is not exposed, and the first connection terminal 6 is not damaged or rusted by corrosion.

As shown in fig. 1, 2 and 4, the bottom of the first box body is provided with a first through hole which is through inside and outside.

Through setting up like this, be convenient for draw forth the inside cable of first box body through first through-hole.

As shown in the attached

drawings

1, 2 and 4, the first box body comprises a first front box body 7, a first rear box body 8 and a first screw 9, a first fixing column 17 with a central axis distributed in the front-rear direction is arranged in the center of the inside of the first rear box body 8, a first internal thread hole 18 with a forward opening is formed in the inner side of the first fixing column 17, a first threaded hole which is through from front to rear is formed in the front side of the first front box body 7 corresponding to the position of the first internal thread hole 18, and the rear part of the screw end of the first screw 9 penetrates through the first threaded hole and then is screwed in the inner side of the first internal thread hole 18.

The first screw 9 can be a known one-way screw, so that the mounting and dismounting are convenient; through setting up like this, can dismantle between box body 7 and the first back box body 8 and link together before with, be convenient for the inside first binding post 6's of first box body connection.

As shown in fig. 4, the jack side further includes a spring 10, a mounting hole opened to the inner side of the current inlet/outlet wire jack 4 is formed in the current inlet/outlet wire jack 4 corresponding to the middle position of each current connecting piece 5, one end of the spring 10 is fixedly connected in the mounting hole corresponding to the position, and the other end of the spring 10 is fixedly connected with the outer side of the current connecting piece 5 corresponding to the position and close to one side of the mounting hole.

The spring 10 is arranged on the current connecting piece 5, so that when the plug is not inserted into the corresponding voltage wire jack 2 and the current inlet and outlet wire jack 4, the elasticity of the spring 10 ensures that the current connections on the two sides are contacted and closed, and secondary open circuit of current is prevented; meanwhile, when the plug is plugged in the corresponding voltage wire jack 2 and the current inlet and outlet jack 4, the good connection contact between the current connecting piece 5 and the plug is ensured; through setting up upper and lower two sets of electric current even piece 5, effectively prevent that the plug from opening a way at plug in-process electric current secondary.

As shown in the attached

drawings

1 and 5, the plug side further comprises a second box body 11 matched with the fixing block 1, a second cavity is formed in the second box body 11, the opening of the second box body is downward, the second cavity is arranged inside the second box body, the plug comprises a first plug 12 and a second plug 13, at least three first plugs 12 corresponding to the voltage line jacks 2 are arranged on the left side of the upper portion of the second cavity at left and right intervals, the first plugs 12 are inserted into the voltage line jacks 2 at corresponding positions, at least two second plugs 13 corresponding to the current incoming and outgoing line jacks 4 are arranged on the right side of the upper portion of the second cavity at left and right intervals, and the second plugs 13 are inserted into the current incoming and outgoing line jacks 4 at corresponding positions.

According to the requirement, the second box body 11 is made of an insulating material; by this arrangement, it is facilitated to plug the first plug 12 and the second plug 13 inside the voltage line insertion hole 2 and the current incoming and outgoing line insertion hole 4 at the corresponding positions.

As shown in fig. 1 and 5, the second connection terminal side includes a third box and a second connection terminal 14, a third cavity is formed inside the third box, the bottom of the third box is fixedly connected to the top of the second box 11, the second connection terminal 14 is disposed on the upper portion of each of the first plugs 12 and the upper portion of each of the second plugs 13, and the upper end of each of the second connection terminals 14 extends to the inner side of the third box.

According to needs, the third box body can be width 80mm, thickness 15mm, length 80 mm's insulating material box body, through setting up like this, sets up second binding post 14 in the inboard of third box body, the wiring of second binding post 14 of being convenient for.

As shown in fig. 1 and 5, the top of the third box body is provided with a second communication hole which is internally and externally communicated.

Through setting up like this, be convenient for draw forth the cable of third box body inside through the second intercommunicating pore.

As shown in fig. 1 and 5, the third box body includes a second front box body 23, a second rear box body 15 and a second screw 16, a second fixing column 19 with a central axis distributed in a front-rear direction is arranged in the center of the inside of the second rear box body 15, a second internal threaded hole 20 with a forward opening is arranged on the inner side of the second fixing column 19, a second threaded hole penetrating through the front and rear is arranged on the front side of the second front box body 23 corresponding to the position of the second internal threaded hole 20, and the rear part of the screw end of the second screw 16 passes through the second threaded hole and then is screwed into the inner side of the second internal threaded hole 20.

The second screw 16 may be a known one-way screw, which is easy to install and remove; through the arrangement, the second front box body 23 and the second rear box body 15 are detachably connected together, and the wiring of the second wiring terminals 14 in the third box body is facilitated.

As shown in fig. 1 and 2, at least one first lead seal 21 is disposed on the outer side of the fixing block 1, and a second lead seal 22 penetrating inside and outside is disposed on the second box 11 corresponding to the first lead seal 21.

During the use, seal 21 with first lead and seal 22 lead seals with the second lead, guaranteed the stable connection between second box body 11 and the fixed block 1, make female terminal box and the unable dismantlement of son terminal box dress postassembling, avoided the artificial problem of stealing the electricity that causes.

The technical characteristics form an embodiment of the utility model, which has strong adaptability and implementation effect, and unnecessary technical characteristics can be increased or decreased according to actual needs to meet the requirements of different situations.

Claims

1. A plug-in type wiring terminal box is characterized by comprising a female wiring terminal box and a sub-wiring terminal box inserted into the inner side of the female wiring terminal box, wherein the female wiring terminal box comprises a first wiring terminal side and a jack side, the jack side comprises a fixing block, voltage line jacks and current inlet and outlet line jacks, at least three voltage line jacks are arranged on the left side and the right side of the upper portion of the fixing block at intervals, elastic pieces are arranged on the left side and the right side inside each voltage line jack, at least two current inlet and outlet line jacks are arranged on the left side and the right side of the upper portion of the fixing block at intervals, at least one current connecting piece is arranged on the left side and the right side inside each current inlet and outlet line jack at intervals up and down, a first wiring terminal side is arranged at the bottom of the fixing block, and the upper portion of the first wiring terminal side is fixedly connected with the elastic pieces at corresponding positions and the bottoms of the first current connecting pieces; the sub-wiring terminal box comprises a plug side and a second wiring terminal side, the plug side is provided with a plug matched with a voltage line jack and a current incoming and outgoing line jack, the plug corresponding to the position of the voltage line jack is inserted into the inner side of the voltage line jack and offsets with an elastic sheet, the plug corresponding to the position of the current incoming and outgoing line jack is inserted into the inner side of the current incoming and outgoing line jack and offsets with a current connecting sheet, the upper part of the plug extends to the inner part of the second wiring terminal side corresponding to the position, and the plug is made of conductive materials.

2. The pluggable terminal box of claim 1, wherein the first terminal side comprises a first box body and first terminals, the first box body has a first cavity therein, the top of the first box body is fixedly connected to the bottom of the fixing block, the first terminals are disposed on each of the voltage line jacks and the bottom of each of the current inlet and outlet jacks, the top of the first terminal corresponding to the position of the voltage line jack is connected to the bottom of the spring piece, the top of the first terminal corresponding to the position of the current inlet and outlet jack is connected to the bottom of the current connecting piece located at the bottom of the current inlet and outlet jack, and the bottom of each of the first terminals extends to the inside of the first box body.

3. The pluggable terminal box according to claim 2, wherein the bottom of the first box body is provided with a first through hole which is internally and externally communicated; or/and, first box body includes box body, first back box body and first screw before first box body, and the inside central authorities of box body are equipped with the axis and are the first fixed column of front-back to distributing, and first fixed column inboard is equipped with the first internal thread hole that the opening is forward, and the first preceding box body front side that corresponds first internal thread hole position is equipped with the first screw hole that link up around, and the spiro union is inboard in first internal thread hole behind the first screw hole is passed to the screw rod end rear portion of first screw.

4. The pluggable terminal box according to claim 1, 2 or 3, wherein the jack side further comprises a spring, the current inlet and outlet jack corresponding to the middle position of each current connecting piece is provided with a mounting hole with an opening facing the inside of the current inlet and outlet jack, one end of the spring is fixedly connected in the mounting hole at the corresponding position, and the other end of the spring is fixedly connected with the outside of the current connecting piece at the corresponding position, which is close to the mounting hole.

5. The plug-in type connection terminal box according to claim 1, 2 or 3, wherein the plug side further comprises a second box body matched with the fixed block, the second box body has a downward opening and is internally provided with a second cavity, the plug comprises a first plug and a second plug, the left side and the right side of the upper portion of the second cavity are provided with at least three first plugs corresponding to the voltage line jacks at intervals, the first plugs are plugged in the inner sides of the voltage line jacks at corresponding positions, the right side and the left side of the upper portion of the second cavity are provided with at least two second plugs corresponding to the current incoming and outgoing line jacks at intervals, and the second plugs are plugged in the inner sides of the current incoming and outgoing line jacks at corresponding positions.

6. The pluggable terminal box of claim 4, wherein the plug side further comprises a second box body matched with the fixing block, the second box body has a downward opening and is internally provided with a second cavity, the plug comprises a first plug and a second plug, at least three first plugs corresponding to the voltage line jacks are arranged on the left side and the right side of the upper portion of the second cavity at intervals, the first plugs are plugged in the voltage line jacks at corresponding positions, at least two second plugs corresponding to the current inlet and outlet jacks are arranged on the right side and the left side of the upper portion of the second cavity at intervals, and the second plugs are plugged in the current inlet and outlet jacks at corresponding positions.

7. The pluggable terminal box of claim 5, wherein the second terminal side comprises a third box body and a second terminal, a third cavity is formed in the third box body, the bottom of the third box body is fixedly connected with the top of the second box body, a second terminal is arranged on the upper portion of each first plug and each second plug, and the upper end of the second terminal extends to the inner side of the third box body; or/and the top of the third box body is provided with a second communication hole which is communicated with the inside and the outside; and the rear part of the screw end of the second screw penetrates through the second threaded hole and then is screwed in the inner side of the second internal threaded hole.

8. The pluggable terminal box of claim 6, wherein the second terminal side comprises a third box body and a second terminal, a third cavity is formed in the third box body, the bottom of the third box body is fixedly connected with the top of the second box body, a second terminal is arranged on the upper portion of each first plug and each second plug, and the upper end of the second terminal extends to the inner side of the third box body; or/and the top of the third box body is provided with a second communication hole which is communicated with the inside and the outside; and the rear part of the screw end of the second screw penetrates through the second threaded hole and then is screwed in the inner side of the second internal threaded hole.

9. The pluggable terminal box according to claim 5, wherein at least one first lead seal is disposed on an outer side of the fixing block, and a second lead seal penetrating from inside to outside is disposed on a second box body corresponding to a position of the first lead seal.

10. The pluggable terminal box according to claim 6, 7, 8 or 9, wherein at least one first lead seal is disposed on an outer side of the fixing block, and a second lead seal penetrating from inside to outside is disposed on a second box body corresponding to a position of the first lead seal.