CN209895929U

CN209895929U - Conductive structure with automatic adjustment function

Info

Publication number: CN209895929U
Application number: CN201920786030.8U
Authority: CN
Inventors: 黄展先; 杨伟; 杨静
Original assignee: Hunan Long Electric Co Ltd
Current assignee: Hunan Long Electric Co Ltd
Priority date: 2019-05-29
Filing date: 2019-05-29
Publication date: 2020-01-03
Anticipated expiration: 2029-05-29

Abstract

The utility model discloses a conductive structure with automatic adjustment function, including last conductive site, middle conductive structure and lower conductive site, middle conductive structure installs at last conductive site under and between the conductive site, and middle conductive structure includes movable contact part, static contact part and shielding system, and the movable contact part is located middle conductive structure's upper portion, and is connected with last conductive site, and the movable contact part comprises fixed part and rotating part, and fixed part comprises the conductor, touches the seat, and the second screw is constituteed, and the rotating part comprises cardboard, spring, touch finger, third screw, splint and pivot. The utility model discloses a conductive structure has the automatically regulated function, because moving contact part rotatable design, exists decentraction or under the cross dislocation condition at upper and lower conductive site, can guarantee the automatic adjustment at conductive contact site, satisfies the needs of conductivity, guarantees the good state of every conductive contact point, has simple structure, the advantage of dependable performance simultaneously.

Description

Conductive structure with automatic adjustment function

Technical Field

The utility model relates to a high-voltage electrical equipment technical field specifically is a conductive structure with automatic adjustment function.

Background

In high-voltage power transmission and transformation switch equipment, especially in combined electrical appliances, a good conductive structure needs to be provided within a short distance range, but due to the problems of processing and assembly, under the condition that the upper conductive part and the lower conductive part are not concentric or staggered, the conductive scheme of a common structure can cause very poor conductive contact, resistance is increased, a loop generates heat, even the assembly cannot be carried out, and finally, the product can be failed.

Accordingly, those skilled in the art have provided a conductive structure having an automatic adjustment function to solve the problems set forth in the background art described above.

Disclosure of Invention

An object of the utility model is to provide a conductive structure with automatic adjustment function to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a conductive structure with an automatic adjustment function comprises an upper conductive part, a middle conductive structure and a lower conductive part, wherein the middle conductive structure is arranged between the upper conductive part and the lower conductive part and comprises a movable contact part, a fixed contact part and a shielding system;

the movable contact part is positioned on the upper part of the middle conductive structure and connected with the upper conductive part, the movable contact part consists of a fixed part and a rotating part, the fixed part consists of a conductor, a contact seat and a second screw, the upper end of the conductor is connected with the upper conductive part, the middle part of the lower end of the conductor is provided with the contact seat, and the contact seat is connected with the conductor through the second screw;

the rotating part comprises clamping plates, springs, contact fingers, third screws, clamping plates and shaft pins, the contact fingers are arranged on the left side and the right side of the contact seat, a plurality of concave holes are formed in the outer sides of the contact fingers, the springs are arranged in the concave holes, the clamping plates are arranged on the outer sides of the springs, circular holes are formed in the contact seat, the shaft pins are arranged in the circular holes of the contact seat, and the clamping plates are respectively arranged at the two ends of the shaft pins;

middle conductive structure lower part sets up to the stationary contact part, and the stationary contact part includes the stationary contact seat, and the stationary contact seat is connected with lower electrically conductive position, and moving contact part outside cover is equipped with shielding system.

Further, it all installs in the cardboard with the spring to touch the finger, touches the finger both ends outside and all is provided with the arch about, and the protruding card is in the recess of cardboard, and spring one end top is at the cardboard inner wall, under the spring action, touches the finger both ends and cardboard contact, confirms according to product current size and touches the quantity of finger, touches the finger assembly and installs in pairs, respectively one in touch a seat both sides.

Still further, the splint is provided with a round hole which is the same as that of the contact seat, the two sides of the splint are provided with four threaded holes, a third screw is arranged in each threaded hole, and the splint is connected with the clamping plate through the third screw.

Furthermore, the shielding system consists of a first screw and a shielding cover group, the shielding cover group comprises a left shielding cover and a right shielding cover, and the tops of the two shielding covers are fixedly connected with the conductor through the first screw; the shielding system can shield the complex electric field structure of the moving contact part, and the insulating property of the product is improved.

Furthermore, an arc contact surface is arranged on one side of the contact finger far spring, the middle of the arc contact surface is a concave surface, and the upper side and the lower side of the arc contact surface are respectively contacted with the contact seat and the static contact seat.

Still further, one of the automatic adjustment functions of the conductive structure is:

due to the design of the arc contact surface of the contact finger, under the action of the spring, the two ends of the contact finger are kept in good conductive contact with the contact seat and the static contact seat.

Still further, the second function of the conductive structure is to automatically adjust:

due to the processing or assembly reason, under the condition that the upper conductive part and the lower conductive part are not concentric, after the assembly, the rotating part of the moving contact part is in a normal state, the offset of the static contact seat has no influence on the conductive contact, and the conductive contact state is always in a normal good state.

Still further, the third function of the conductive structure is automatic adjustment:

under the condition that the upper conductive part and the lower conductive part are not concentric and are crossed and dislocated due to machining or assembly, each pair of contact fingers of the rotating part of the movable contact part are in a floating state, and the pressure of each conductive contact point is provided by a corresponding single spring, so that each conductive contact point is always in a normal good state.

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

the utility model discloses a conductive structure has the automatically regulated function, because moving contact part rotatable design, exists decentraction or under the cross dislocation condition at upper and lower conductive site, can guarantee the automatic adjustment at conductive contact site, satisfies the needs of conductivity, guarantees the good state of every conductive contact point, has simple structure, the advantage of dependable performance simultaneously.

Drawings

Fig. 1 is a schematic structural diagram of a conductive structure with an automatic adjustment function.

Fig. 2 is a side view of fig. 1 in a conductive structure with self-alignment.

Fig. 3 is a first schematic diagram illustrating an automatic adjustment method of a middle conductive structure in a conductive structure with an automatic adjustment function.

Fig. 4 is a side view of fig. 3 in a conductive structure with self-alignment.

Fig. 5 is a schematic diagram illustrating a second method for automatically adjusting the middle conductive structure in the conductive structure with an automatic adjustment function.

Fig. 6 is a side view of fig. 5 in a conductive structure with self-alignment.

Fig. 7 is a schematic view illustrating an assembly of a contact finger and a card board in a conductive structure with an automatic adjustment function.

In the figure: 1-a conductor; 2-a contact base; 3-a first screw; 4-a second screw; 5-a shielding case group; 6-clamping plate; 7-a spring; 8-a contact finger; 9-a third screw; 10-stationary contact base; 11-a splint; 12-axle pin; 101-upper conducting part; 102-an intermediate conductive structure; 103-lower conducting site.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 7, in an embodiment of the present invention, a conductive structure with an automatic adjustment function includes an upper conductive portion 101, a middle conductive portion 102 and a lower conductive portion 103, where the middle conductive portion 102 is installed between the upper conductive portion 101 and the lower conductive portion 103, and the middle conductive portion 102 includes a moving contact portion, a static contact portion and a shielding system;

the moving contact part is positioned at the upper part of the middle conductive structure 102 and is connected with the upper conductive part 101, the moving contact part consists of a fixed part and a rotating part, the fixed part consists of a conductor 1, a contact base 2 and a second screw 4, and the rotating part consists of a clamping plate 6, a spring 7, a contact finger 8, a third screw 9, a clamping plate 11 and a shaft pin 12;

the lower part of the middle conductive structure 102 is set to be a static contact part, the static contact part comprises a static contact seat 10, the static contact seat 10 is connected with a lower conductive part 103, and a shielding system is covered on the outer side of the dynamic contact part.

The upper end of the conductor 1 is connected with the upper conductive part 101, the middle part of the lower end of the conductor 1 is provided with a contact seat 2, and the contact seat 2 is connected with the conductor 1 through a second screw 4.

Touch and indicate 8 to install in the left and right sides that touches seat 2, touch the outside that indicates 8 and seted up a plurality of shrinkage pools, all install spring 7 in the shrinkage pool, the outside of spring 7 is provided with cardboard 6, touch and indicate 8 and spring 7 and all install in cardboard 6, touch and indicate that both ends outside all is provided with the arch about 8, protruding card is in the recess of cardboard 6, spring 7 one end top is at 6 inner walls of cardboard, under spring 7 effect, touch and indicate 8 both ends and cardboard 6 contact, confirm according to product current size and touch the quantity that indicates 8, touch and indicate 8 assembly to install in pairs, respectively one in 2 both sides of touch seat.

The contact base 2 is internally provided with a round hole, the shaft pin 12 is arranged in the round hole of the contact base 2, two ends of the shaft pin 12 are respectively provided with a clamping plate 11, the clamping plate 11 is provided with a round hole which is the same as that of the contact base 2, two sides of the clamping plate 11 are provided with four threaded holes, a third screw 9 is arranged in each threaded hole, and the clamping plate 11 and the clamping plate 6 are connected through the third screw 9 to form a rotatable part of the movable contact part.

The shielding system consists of a first screw 3 and a shielding cover group 5, the shielding cover group 5 comprises a left shielding cover and a right shielding cover, and the tops of the two shielding covers are fixedly connected with the conductor 1 through the first screw 3; the shielding system can shield the complex electric field structure of the moving contact part, and the insulating property of the product is improved.

One side of the contact finger 8 far from the spring 7 is provided with an arc contact surface, the middle part of the arc contact surface is a concave surface, and the upper side and the lower side of the arc contact surface are respectively contacted with the contact seat 2 and the static contact seat 10.

The utility model discloses one of automatic regulating function:

due to the processing or assembly, under the condition that the upper conductive part 101 and the lower conductive part 103 are dislocated (as shown in fig. 3 and 4), the dislocation size is A, after the assembly, the rotating part of the moving contact part swings to one side with the shaft pin 12 as a rotating shaft center in a small distance, and due to the design of the arc contact surface of the contact finger 8 (as shown in fig. 7), under the action of the spring 7, the two ends of the contact finger 8 are kept in a good conductive contact state with the contact base 2 and the static contact base 10.

The utility model discloses automatic regulating function two:

in the case where the upper conductive portion 101 and the lower conductive portion 103 are not concentric (as shown in fig. 5 and 6) due to machining or assembling, the offset angle is B, and after assembling, the rotating portion of the moving contact portion is in a normal state, the offset of the stationary contact 10 has no influence on the conductive contact, and the conductive contact state is always in a normal and good state.

The utility model discloses the automatically regulated function three:

in the case where the upper conductive portion 101 and the lower conductive portion 103 are neither concentric nor cross-offset due to machining or assembly, since each pair of the contact fingers 8 of the rotating portion of the movable contact portion is in a floating state, the pressing force of each conductive contact point is provided by the corresponding single spring 7, and thus each conductive contact point is always in a normal good state.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the inventive concept of the present invention within the technical scope of the present invention.

Claims

1. A conductive structure with an automatic adjustment function comprises an upper conductive part (101), a middle conductive structure (102) and a lower conductive part (103), and is characterized in that the middle conductive structure (102) is arranged between the upper conductive part (101) and the lower conductive part (103), and the middle conductive structure (102) comprises a movable contact part, a fixed contact part and a shielding system;

the movable contact part is positioned at the upper part of the middle conductive structure (102) and connected with the upper conductive part (101), the movable contact part consists of a fixed part and a rotating part, the fixed part consists of a conductor (1), a contact base (2) and a second screw (4), the upper end of the conductor (1) is connected with the upper conductive part (101), the middle part of the lower end of the conductor (1) is provided with the contact base (2), and the contact base (2) is connected with the conductor (1) through the second screw (4);

the rotating part consists of a clamping plate (6), a spring (7), a contact finger (8), a third screw (9), a clamping plate (11) and a shaft pin (12), the contact finger (8) is installed on the left side and the right side of the contact seat (2), a plurality of concave holes are formed in the outer side of the contact finger (8), the springs (7) are installed in the concave holes, the clamping plate (6) is arranged on the outer side of the spring (7), a circular hole is formed in the contact seat (2), the shaft pin (12) is installed in the circular hole of the contact seat (2), and the clamping plate (11) is installed at each of two ends of the shaft pin (12);

the lower part of the middle conductive structure (102) is arranged to be a static contact part, the static contact part comprises a static contact seat (10), the static contact seat (10) is connected with a lower conductive part (103), and the outer side of the movable contact part is covered with a shielding system.

2. The conductive structure with the automatic adjustment function according to claim 1, wherein the contact finger (8) and the spring (7) are both installed in the clamping plate (6), and protrusions are arranged on the outer sides of the upper end and the lower end of the contact finger (8) and clamped in grooves of the clamping plate (6).

3. The conductive structure with the automatic adjustment function according to claim 1, wherein the clamping plate (11) is provided with a circular hole which is the same as that of the contact seat (2), two sides of the clamping plate (11) are provided with four threaded holes, the threaded holes are internally provided with third screws (9), and the clamping plate (6) is connected with the clamping plate (11) through the third screws (9).

4. The conductive structure with automatic adjustment function according to claim 1, characterized in that the shielding system is composed of a first screw (3) and a shielding cover set (5), the shielding cover set (5) comprises a left shielding cover and a right shielding cover, and the tops of the two shielding covers are fixedly connected with the conductor (1) through the first screw (3).

5. The conductive structure with the automatic adjusting function according to claim 1, wherein one side of the contact finger (8) far from the spring (7) is provided with an arc contact surface, the middle part of the arc contact surface is a concave surface, and the upper side and the lower side of the arc contact surface are respectively contacted with the contact base (2) and the static contact base (10).