CN112952415A - Electric connector - Google Patents

Abstract

The application relates to the technical field of electric connectors, and relates to an electric connector which comprises a base and a contact pin, wherein the contact pin comprises a vertical end which is arranged in an extending mode in the vertical direction and is inserted into the base, and a horizontal end which is fixed to one end of the vertical end; fix limiting plate and base mutually through spacing subassembly for the limiting plate plays the effect that supports to the contact pin, and then plays the effect of protection to the contact pin, reduces the contact pin phenomenon of buckling that the contact pin leads to when being connected with other spare parts, has prolonged electric connector's life.

Description

Electric connector

Technical Field

The present application relates to the field of electrical connectors, and more particularly, to an electrical connector.

Background

At present, the electrical connector is mainly applied to electrical connection and signal transmission between devices, assemblies and assemblies, and systems, and is a necessary basic element for completing the system.

Referring to fig. 1, the related electrical connector suitable for a circuit board includes a base 1, and a pin 2 mounted on the base 1, where one end of the pin 2 is inserted into one side of the circuit board, and the other end is connected to other electrical components; contact pin 2 is the setting of L type for contact pin 2 changes with other electrical components's direction of connection, has improved the compact structure of circuit board.

With respect to the related art in the above, the inventors consider that: the contact pin is easy to be squeezed and bent when being transported or connected with an electric component, so that the contact pin is damaged, and the service life of the electric connector is shortened.

Disclosure of Invention

In order to reduce the phenomenon of the compression and bending of the contact pin and protect the electric connector, the application provides the electric connector.

The electric connector provided by the application adopts the following technical scheme:

the utility model provides an electric connector, includes base, contact pin, and the contact pin includes and extends the setting and insert the vertical end of locating on the base along vertical direction to and with the fixed horizontal end of vertical end one end, the horizontal end extends the setting along the horizontal direction, still including connecting the limiting plate on the one side that the base is close to the horizontal end, the limiting plate is equipped with a plurality ofly along the horizontal direction with the spacing hole of horizontal end one-to-one, the limiting plate passes through spacing subassembly and pedestal connection.

Through adopting above-mentioned technical scheme, insert vertical end and locate on the base for contact pin and base relatively fixed, then with spacing hole on the limiting plate with the horizontal end closing to inserting, spacing subassembly is fixed limiting plate and base mutually for the limiting plate plays the effect that supports to the contact pin, and then plays the effect of protection to the contact pin, reduces the contact pin phenomenon of buckling that the contact pin leads to when being connected with other spare parts, has prolonged electric connector's life.

Preferably, the limiting plate comprises a connection part used for connecting the horizontal end and a connection part fixedly connected to one end, close to the base, of the connection part respectively, the base is provided with a yielding groove for the connection part to be embedded in the extending direction of the horizontal end, and the limiting assembly is connected to the connection part and the base.

By adopting the technical scheme, the connecting part is embedded into the abdicating groove, and the limiting plate and the base are fixed through the limiting component, so that the structure of the electric connector is more compact; on the other hand, the groove of stepping down and connecting portion looks adaptation for the groove of stepping down plays spacing effect to connecting portion, further improves the stability of being connected to limiting plate and base.

Preferably, the limiting hole is provided with a first guide inclined plane capable of abutting against the horizontal end.

Through adopting above-mentioned technical scheme, first direction inclined plane leads to the horizontal end for the horizontal end is embedded into the spacing downthehole that corresponds more easily, has improved staff's work efficiency.

Preferably, the limiting assembly comprises a first bolt sequentially penetrating through the connecting part and the base and a first nut in threaded connection with one end of the first bolt.

By adopting the technical scheme, the first bolt sequentially penetrates through the connecting part and the base, and the connecting part is tightly abutted against the base through the first nut, so that the operation is simple and easy; moreover, the first bolt and the first nut are simple to manufacture and low in manufacturing cost.

Preferably, the base is kept away from one of horizontal end and is served two reinforcing plates of fixedly connected with, and the reinforcing plate extends the setting along the direction of base, and the distance that the one end of base and base were kept away from to the reinforcing plate is greater than the distance that the one end of horizontal end and base were kept away from to vertical end.

By adopting the technical scheme, the reinforcing plate improves the structural strength of the base and reduces the extrusion damage of the base in the transportation process; on the other hand, the two reinforcing plates play a role in protecting the contact pins and reduce the occurrence of the situation that the contact pins are extruded; simultaneously, when other spare parts are connected with the contact pin, the reinforcing plate can play the effect of location to other spare parts for the contact pin can be connected with other spare parts smoothly, has improved staff's work efficiency.

Preferably, the locating plate that the limiting plate can be worn to locate by fixedly connected with on the base, the setting is extended to the extending direction of locating plate edge horizontal end, and the distance between the free end of locating plate and the limiting plate is greater than the distance between the free end of horizontal end and the limiting plate.

Through adopting above-mentioned technical scheme, the limiting plate is when spacing to the contact pin, and the limiting plate can be connected with the locating plate earlier, and both produce relative slip, and then make spacing hole on the limiting plate and the horizontal end that corresponds be in on same water flat line, and then reduce the limiting plate when removing, the phenomenon of extrusion contact pin has both made things convenient for being connected of limiting plate and contact pin, plays the effect of protection to the contact pin again.

Preferably, be equipped with the location strip of contradicting in limiting plate one side on the base, the locating plate includes the stiff end of fixed connection on the base to and rotate and connect and hold and be used for ordering about the limiting plate and support the rotation end of tight location strip on the stiff end is kept away from the base, rotate the end and pass through joint subassembly and limiting plate connection, be equipped with on one side that the level end was kept away from to the stiff end and prescribe a limit to rotate the spacing that the end is in horizontal position.

By adopting the technical scheme, although the two ends of the limiting plate are connected with the base through the limiting assemblies, the middle end of the limiting plate is easy to deform under external force, so that the horizontal end is damaged under extrusion, when the horizontal end is fixed with the limiting plate, the rotating end is rotated, one side of the rotating end is abutted against one side of the limiting plate, then the working state of the clamping assembly is changed, the rotating end is fixed with the limiting plate, the middle end of the connecting part of the limiting plate is fixedly connected to the base, and the connection stability of the base and the limiting plate is improved; on the other hand, the rotating end is rotated, so that the protruding space of the positioning plate can be reduced, and the structure of the electric connector is more compact.

Preferably, the free end of the rotating end is provided with a first caulking groove, a sliding block is connected in the first caulking groove in a sliding mode, the sliding block is connected with the rotating end through a sliding piece, and the limiting plate is provided with a clamping groove for embedding one end of the sliding block.

By adopting the technical scheme, when the rotating end and the fixed end are positioned on the same horizontal line, the sliding block is positioned in the first caulking groove under the action of the gravity of the sliding block, so that the relative sliding of the limiting plate and the positioning plate is not influenced; when the rotation end supports tight limiting plate one side, under the effect of slider, the slider slides in the joint inslot, and the slider is with limiting plate and base relatively fixed, further improves the stability of being connected of base and limiting plate.

Preferably, be equipped with on the relative inside wall in joint groove and link up the groove, the slider is equipped with the holding tank along the horizontal direction, and the joint subassembly still includes the joint pole of sliding connection in the holding tank to and order about the spring that the joint pole embedding links up the groove, spring one end fixed connection in joint pole, other end fixed connection in the tank bottom of holding tank.

By adopting the technical scheme, when the sliding block is in the first caulking groove, the spring drives one end of the clamping rod to abut against one side of the first caulking groove; after the sliding block is driven to slide into the clamping groove, when the connection groove and the accommodating groove are oppositely positioned, the spring drives the clamping rod to enter the connection groove, so that the sliding block and the rotating end are relatively fixed; on the other hand, the connecting rod wears to locate on the limiting plate, can improve the structural strength of limiting plate, reduces the condition that the limiting plate takes place deformation.

Preferably, fixedly connected with supports tight pole on the limiting plate, rotates the end and is equipped with rather than the butt board of rotation connection, rotates the end and is equipped with and supplies butt board pivoted second caulking groove, when rotating the end and rotate from horizontal position towards the limiting plate, supports tight pole and inserts in the second caulking groove to with butt board one end butt, order about the butt board and take place to rotate, the butt board other end is contradicted in slider one side, and orders about slider embedding joint groove.

Through adopting above-mentioned technical scheme, when rotating the end and rotating towards the limiting plate, support tight pole and insert the second caulking groove, then with butt board one end butt, and order about the butt board and take place to rotate and with the slider one side butt of limiting plate dorsad, and then order about slider embedding joint groove for the user only needs rotatory rotation end, makes rotation end support tight limiting plate, just can realize limiting plate and the relatively fixed function who rotates the end, has reduced user's operation, has made things convenient for user's installation.

Drawings

Fig. 1 is a schematic structural diagram of an electrical connector suitable for use on a circuit board.

Fig. 2 is a schematic structural diagram of embodiment 1 of the present application.

Fig. 3 is an exploded view illustrating the stopper assembly.

Fig. 4 is a partial schematic view for illustrating the first guide slope.

Fig. 5 is a schematic structural diagram of embodiment 2 of the present application, in which a part of the pins are hidden.

Fig. 6 is an exploded view when the rotating end is in a horizontal position.

Fig. 7 is a sectional view for showing the clip.

Fig. 8 is an enlarged view of a portion a of fig. 5 to show the chute.

Fig. 9 is an enlarged view of portion B of fig. 5, showing the abutment bar and the abutment plate.

Description of reference numerals: 1. a base; 11. a yielding groove; 12. a second stress groove; 2. inserting a pin; 21. a vertical end; 22. a horizontal end; 3. a limiting plate; 31. a limiting hole; 32. a joining section; 33. a connecting portion; 34. a first guide slope; 35. a clamping groove; 36. a joining groove; 37. a reinforcing portion; 4. a limiting component; 41. a first bolt; 42. a first nut; 5. a reinforcing plate; 51. a first stress groove; 6. positioning a plate; 61. a fixed end; 62. a rotating end; 63. a first caulking groove; 64. a slider; 65. accommodating grooves; 66. a second caulking groove; 67. a second guide slope; 7. a limiting strip; 8. a clamping assembly; 81. a clamping and connecting rod; 82. a spring; 9. a tightening rod; 91. a butt joint plate; 10. a positioning bar; 101. a connecting plate; 102. positioning holes; 103. a slipping projection; 104. a chute.

Detailed Description

The present application is described in further detail below with reference to figures 2-9.

The embodiment of the application discloses an electric connector.

Example 1:

referring to fig. 2 and 3, an electrical connector comprises a base 1, a pin 2, and a position-limiting plate 3 for limiting the pin 2, wherein the pin 2 comprises a vertical end 21 extending in a vertical direction and inserted into the base 1, and a horizontal end 22 fixed to one end of the vertical end 21, the horizontal end 22 extends in a horizontal direction, the position-limiting plate 3 extends in a length direction of the base 1, the position-limiting plate 3 is detachably connected to the base 1 through a position-limiting component 4, the position-limiting plate 3 is provided with a plurality of position-limiting holes 31 corresponding to the horizontal ends 22 one by one in the horizontal direction, when the electrical connector is installed, the pin 2 is fixedly connected to the base 1, the position-limiting plate 3 is moved in the horizontal direction, so that the horizontal end 22 can be inserted into the corresponding position-limiting hole 31 of the position-limiting plate 3, and finally, the working state of the position-limiting component 4 is changed, thereby reducing the bending of the contact pin 2 caused by external force and protecting the contact pin 2.

Referring to fig. 4, in order to insert the horizontal end 22 into the limiting hole 31, the limiting hole 31 is provided with a first guiding inclined surface 34 capable of abutting against the horizontal end 22, and the first guiding inclined surface 34 plays a guiding role for the free end of the horizontal end 22, so that the installation of the limiting plate 3 by the worker is facilitated.

Referring back to fig. 2 and 3, in the embodiment, the position limiting plate 3 includes a connecting portion 32 connected to the pin 2, and two connecting portions 33 integrally formed with the connecting portion 32, the two connecting portions 33 are respectively connected to two ends of the connecting portion 32 and a side wall close to the base 1, and the base 1 is provided with a relief groove 11 for the connecting portion 33 to be embedded in; in the embodiment, the limiting assembly 4 comprises a first bolt 41 and a nut matched with the first bolt 41, when the limiting assembly is installed, the connecting part 33 moves along the extending direction of the horizontal end 22, so that the horizontal end 22 is embedded into the limiting hole 31 on the linking part 32, the connecting part 33 is embedded into the abdicating groove 11, then a worker sequentially penetrates the connecting part 33 and the base 1 through the first bolt 41, and the base 1 and the connecting part 33 are fixed through the first nut 42, so that the limiting plate 3 is fixedly connected with the base 1, and the operation is simple and easy; on the other hand, the structure of the electric connector is more compact.

In order to improve the connection strength between the stopper plate 3 and the connection part 33, a reinforcing part 37 is integrally formed between the stopper plate 3 and the connection part 33; in the embodiment, two reinforcing plates 5 are integrally formed at one end of the base 1, which is far away from the limiting plate 3, the reinforcing plates 5 extend along the length direction of the base 1, the two reinforcing plates 5 are respectively positioned on two opposite sides of the base 1, and the reinforcing plates 5 reinforce the structural strength of the base 1; preferably, the distance between one end of the reinforcing plate 5 far away from the base 1 and the base 1 is greater than the distance between one end of the vertical end 21 far away from the horizontal end 22 and the base 1, so that the reinforcing plate 5 can protect the contact pin 2, and the situation that the contact pin 2 is extruded by foreign objects to deform is reduced; on the other hand, the reinforcing plate 5 can be used in cooperation with a circuit board, and plays a role in positioning when the pins 2 of the base 1 are connected with the circuit board.

A plurality of first stress grooves 51 are formed in one side, away from the vertical end 21, of the reinforcing plate 5, and the first stress grooves 51 reduce the problem of stress concentration of the reinforcing plate 5 in the injection molding process and protect the molding of the reinforcing plate 5; meanwhile, the base 1 is provided with a plurality of second stress grooves 12 along the vertical direction, so that the base 1 is protected; on the other hand, the first stress groove 51 and the second stress groove 12 can reduce the material of the reinforcing plate 5 and the base 1, and save the material cost.

The implementation principle of the embodiment 1 is as follows: fix contact pin 2 and base 1 mutually, then remove limiting plate 3 along the direction of horizontal end 22, through the direction of first direction inclined plane 34, make horizontal end 22 slide in spacing hole 31, after connecting portion 33 embedding groove 11 of stepping down, use through the cooperation of first bolt 41 with first nut 42, it is fixed with base 1 mutually with limiting plate 3, limiting plate 3 plays the effect of support to contact pin 2, reduce the phenomenon that contact pin 2 pressurized buckling, and then play the effect of protection to contact pin 2.

Example 2:

referring to fig. 5 and 6, the embodiment is different from embodiment 1 in that a positioning plate 6 is further disposed on one side of the base 1 close to the limiting plate 3, and a plurality of positioning strips 10 abutting against one side of the limiting plate 3 are disposed on one side of the base 1 away from the reinforcing plate 5, the positioning plate 6 extends from the middle end of the base 1 toward two ends of the base 1, the distance between the free end of the positioning plate 6 and the limiting plate 3 is greater than the distance between the free end of the horizontal end 22 and the limiting plate 3, a connecting plate 101 is integrally formed at one end of the connecting portion 32, the connecting plate 101 is horizontally provided with a positioning hole 102 for the positioning plate 6 to be embedded, the positioning plate 6 is slidably connected to the positioning hole 102, so that the positioning plate 6 can only move horizontally to position the moving direction of the positioning plate 6, the occurrence of the case that the horizontal end 22 impacts the limiting plate 3 is reduced, and meanwhile, the moving stability of the limiting plate 3 and the positioning plate 6 is improved.

More preferably, the one end that base 1 was kept away from to locating plate 6 is equipped with the second direction inclined plane 67 that can conflict limiting plate 3, reduces the collision of locating plate 6 and limiting plate 3, and the person of facilitating the use slides locating plate 6 in the locating hole 102 on the limiting plate 3.

Referring to fig. 6 and 7, in an embodiment, the positioning plate 6 includes a fixed end 61 integrally formed on a side wall of the base 1, and a rotating end 62 rotatably connected to an end of the fixed end 61 away from the base 1, the rotating end 62 is rotatably connected to the fixed end 61 through a rotating shaft, and the rotating end 62 is rotated so that one side of the rotating end 62 can abut against the limiting plate 3 and the rotating end 62 can drive the limiting plate 3 to abut against the positioning strip 10; it is connected with limiting plate 3 to be equipped with joint subassembly 8 on end 62 to rotate, in the embodiment, it serves and is equipped with first caulking groove 63 to rotate end 62 and keep away from one of stiff end 61, sliding connection has slider 64 in first caulking groove 63, be equipped with the joint groove 35 that supplies slider 64 one end embedding on the linking portion 32, joint subassembly 8 includes joint pole 81, and spring 82, slider 64 is equipped with the holding tank 65 of placing joint subassembly 8 along the horizontal direction, spring 82 one end fixed connection is in the one end of joint pole 81, other end fixed connection is in the tank bottom of holding tank 65, joint pole 81 sliding connection is in holding tank 65, be equipped with the linking groove 36 that supplies the embedding of joint pole 81 on the relative inside wall in joint groove 35.

In the embodiment, one end downside integrated into one piece that base 1 was kept away from to stiff end 61 has spacing 7, and limiting plate 3 wears to locate on spacing 7, rotates end 62 and contradicts in spacing 7 one side under the effect of self gravity for it can not continue to take place to rotate end 62, and then ensures that limiting plate 3 can remove along locating plate 6 to rotate.

Referring to fig. 5 and 8, the sliding block 64 is slidably connected to the rotating end 62 through a sliding member, in an embodiment, the sliding member is two sliding protrusions 103 fixedly connected to two ends of the sliding block 64, a sliding groove 104 for the sliding protrusion 103 to be inserted is provided on a side wall opposite to the first caulking groove 63, the sliding groove 104 is communicated with the first caulking groove 63, and the sliding protrusion 103 is slidably connected in the sliding groove 104, so that the sliding block 64 cannot be separated from the rotating end 62.

Referring back to fig. 6 and 7, when the rotating end 62 is in the horizontal position, the sliding block 64 does not protrude from the upper surface of the rotating end 62 under the action of its own gravity, so as to achieve the effect of not interfering with the movement of the position-limiting plate 3; limiting plate 3 removes along the length direction of locating plate 6, and until connecting plate 101 contradicts on base 1, then rotatory rotation end 62, contradict in limiting plate 3 one side when rotating end 62, the user orders about slider 64 and gets into joint groove 35, when linking up groove 36 and joint groove 35 intercommunication, spring 82 orders about joint pole 81 one end embedding and links up in the groove 36 for base 1 and limiting plate 3 relatively fixed, further reduce horizontal end 22 and receive external force and the phenomenon of buckling.

The opposite sides of the sliding blocks 64 are provided with accommodating grooves 65, and one ends of the two clamping connecting rods 81 are respectively embedded into the connecting grooves 36, so that the connecting strength of the limiting plate 3 and the base 1 is improved; on the other hand, the clamping rod 81 is embedded into the joining groove 36, so that the structural strength of the limiting plate 3 can be improved, and the deformation of the limiting plate 3 is reduced.

Referring to fig. 6 and 9, in order to facilitate the sliding block 64 to be inserted into the clamping groove 35, the rotating end 62 is provided with a butting plate 91 rotatably connected thereto, the rotating end 62 is provided with a second caulking groove 66 for the butting plate 91 to rotate, the butting plate 91 is also connected with the rotating end 62 through a rotating shaft, the rotating shaft is located at the middle position of the butting plate 91, the limiting plate 3 is integrally formed with a butting rod 9, when the rotating end 62 rotates from the horizontal position toward the limiting plate 3, the butting rod 9 is inserted into the second caulking groove 66, then butts against one end of the butting plate 91 and drives the butting plate 91 to rotate, during the rotation of the butting plate 91, one end of the butting plate 91 butts against one side of the sliding block 64 opposite to the limiting plate 3 and drives one end of the sliding block 64 to be inserted into the clamping groove 35, a user only needs to rotate the rotating end 62, so that the rotating end 62 butts against the limiting plate 3, and the relative fixing, the operation of the user is reduced, and the installation of the user is facilitated.

The implementation principle of the embodiment 2 is as follows: fix contact pin 2 and base 1 mutually, then remove limiting plate 3 along 6 length direction of locating plate, through the direction of first direction inclined plane 34, make horizontal end 22 slide in spacing hole 31, after connecting portion 33 embedding groove 11 of stepping down, use through the cooperation of first bolt 41 with first nut 42, it is fixed with limiting plate 3 and base 1 mutually, limiting plate 3 plays the effect of support to contact pin 2, reduce the phenomenon that contact pin 2 pressurized buckling, and then play the effect of protection to contact pin 2.

In order to further improve the protection effect of limiting plate 3 to contact pin 2, end 62 is rotated in the rotation, make end 62 rotate and support tight limiting plate 3, at this moment, support tight pole 9 and order about butt plate 91 and rotate, and then butt plate 91 orders about slider 64 one end entering joint groove 35, when holding tank 65 with join groove 36 to closing the intercommunication, spring 82 orders about joint pole 81 one end and gets into and links up in groove 36, make the middle part position of limiting plate 3 also fixed mutually with base 1, further improve the stability of being connected of limiting plate 3 and base 1.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. The utility model provides an electric connector, includes base (1), contact pin (2) include along vertical direction extend the setting and insert and locate vertical end (21) on base (1), and with the fixed horizontal end (22) of vertical end (21) one end, horizontal end (22) extend the setting along the horizontal direction, its characterized in that: still including connect in base (1) is close to limiting plate (3) on one side of horizontal end (22), limiting plate (3) along the horizontal direction be equipped with a plurality of with spacing hole (31) of horizontal end (22) one-to-one, limiting plate (3) through spacing subassembly (4) with base (1) is connected.

2. An electrical connector as defined in claim 1, wherein: limiting plate (3) including being used for connecting joint portion (32) of horizontal end (22), and respectively fixed connection in joint portion (32) are close to one of base (1) serves connecting portion (33), base (1) are equipped with the confession connecting portion (33) are followed groove (11) of stepping down of horizontal end (22) extending direction embedding, spacing subassembly (4) connect in connecting portion (33), base (1).

3. An electrical connector as defined in claim 2, wherein: the limiting hole (31) is provided with a first guide inclined plane (34) capable of abutting against the horizontal end (22).

4. An electrical connector as defined in claim 3, wherein: the limiting assembly (4) comprises a first bolt (41) sequentially penetrating through the connecting portion (33) and the base (1), and a first nut (42) in threaded connection with one end of the first bolt (41).

5. An electrical connector as defined in claim 2, wherein: keep away from base (1) one of horizontal end (22) serves two reinforcing plates of fixedly connected with (5), reinforcing plate (5) are followed the direction of base (1) extends the setting, just reinforcing plate (5) are kept away from the one end of base (1) with the distance of base (1) is greater than vertical end (21) are kept away from the one end of horizontal end (22) with the distance of base (1).

6. An electrical connector as defined in claim 2, wherein: fixedly connected with can wear to locate locating plate (6) of limiting plate (3) on base (1), locating plate (6) are followed the extending direction of horizontal end (22) extends the setting, just the free end of locating plate (6) with distance between limiting plate (3) is greater than the free end of horizontal end (22) with distance between limiting plate (3).

7. An electrical connector as defined in claim 6, wherein: be equipped with on base (1) contradict in location strip (10) of limiting plate (3) one side, locating plate (6) including fixed connection in stiff end (61) on base (1), and rotate connect in stiff end (61) are kept away from one of base (1) is served and is used for ordering about limiting plate (3) support tightly rotation end (62) of location strip (10), rotate end (62) through joint subassembly (8) with limiting plate (3) are connected, stiff end (61) are kept away from be equipped with on one side of horizontal end (22) and prescribe a limit to rotate end (62) and be in horizontal position's spacing strip (7).

8. An electrical connector as defined in claim 7, wherein: rotate and be equipped with first caulking groove (63) on the free end of end (62), sliding connection has slider (64) in first caulking groove (63), slider (64) through the slider with rotate end (62) and connect, be equipped with the confession on limiting plate (3) the joint groove (35) of slider (64) one end embedding.

9. An electrical connector as defined in claim 8, wherein: be equipped with on the relative inside wall in joint groove (35) and link up groove (36), slider (64) are equipped with holding tank (65) along the horizontal direction, joint subassembly (8) still include sliding connection in joint pole (81) in holding tank (65), and order about joint pole (81) embedding link up spring (82) of groove (36), spring (82) one end fixed connection in joint pole (81), other end fixed connection in the tank bottom of holding tank (65).

10. An electrical connector as defined in claim 9, wherein: fixedly connected with supports tight pole (9) on limiting plate (3), it is equipped with rather than rotation connection's butt board (91) to rotate end (62), it is equipped with the confession to rotate end (62) butt board (91) pivoted second caulking groove (66), works as it holds (62) from horizontal position court when limiting plate (3) rotate, support tight pole (9) insert in second caulking groove (66), and with butt board (91) one end butt orders about butt board (91) takes place to rotate, butt board (91) other end contradict in one side of slider (64), and order about slider (64) one end embedding in joint groove (35).

Images