CN209843966U - Novel buckle formula current potential equalization shock attenuation device - Google Patents

Abstract

The utility model belongs to new forms of energy passenger train high tension unit electrical property test field, concretely relates to novel balanced shock attenuation of buckle formula current potential device. Including two bearing pad pieces and the shock attenuation steel wire of setting between two bearing pad pieces, bearing pad piece's diameter is the same with shock attenuation steel wire's excircle diameter, shock attenuation steel wire and bearing pad piece's middle part all is equipped with a through-hole that the size is the same, it is used for fixed bearing pad piece and shock attenuation steel wire's buckle mechanism to go back the cover in the through-hole, the utility model discloses a novel balanced shock attenuation device of buckle formula current potential utilizes the effectual bearing pad piece and shock attenuation steel wire of linking together of buckle mechanism in the through-hole, and then has solved the technical problem that current bonding leaded to electric conductive property reduces, simultaneously, the utility model discloses simple structure, processing convenience are fit for using widely on a large scale.

Description

Novel buckle formula current potential equalization shock attenuation device

Technical Field

The utility model belongs to new forms of energy passenger train high tension unit electrical property test field, concretely relates to novel balanced shock attenuation of buckle formula current potential device.

Background

The electric shock protection requirements of personnel according to relevant national standards are as follows: the exposed conductive part of the B-level voltage component, including the shielding and the electric platform with the shell connected to the vehicle body, needs to keep the electric potential balance, and the resistance value is less than or equal to 0.1 omega. At present, the new energy automobile industry generally adopts a mode of singly bonding a shell to carry out potential equalization, and the mode has the following problems: 1. the high-voltage component shell is provided with bonding points independently, so that the sealing performance of the high-voltage component is easily damaged; 2. the high-voltage component is subjected to static electricity discharge through a single point, so that failure is easily caused by poor bonding, and communication of the whole vehicle is interfered; 3. in the practical application process, the bonding effect is easily influenced by the size of the paint surface and the assembly hole of the automobile body, and the potential balance cannot be achieved.

In order to solve the technical problem, people provide a through hole type potential equalization damping device, including shock attenuation steel wire and two bearing pads, the shock attenuation steel wire sets up between two bearing pads, and bearing pads's diameter is the same with shock attenuation steel wire's excircle diameter, and shock attenuation steel wire and two bearing pads's middle part is equipped with the through-hole that a size is the same respectively, is provided with the through-hole in the through-hole, and two bearing pads's the outside fixed welding respectively has the barb gasket.

Although the structure is connected with the automobile body by means of the high-voltage component fixing hole, the problem that the sealing property is damaged due to the fact that the iron-bonding points are arranged on the shell of the high-voltage component is avoided, the potential balance of the high-voltage component is guaranteed, the influence of potential unbalance on the communication of the whole automobile is eliminated, the damping steel wire and the bearing gasket are fixed in a bonding mode, and the conductivity of the whole damping device is influenced to a certain extent.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the technical problem that foretell balanced damping device of potential exists, provide a reasonable in design, simple structure, processing convenience and the balanced damping device of novel buckle formula potential that the wire performance is good.

In order to achieve the above object, the technical solution adopted by the present invention is that, the present invention provides a novel buckle type potential equalization damping device, comprising two bearing pads and a damping steel wire arranged between the two bearing pads, wherein the diameter of the bearing pad is the same as the diameter of the outer circle of the damping steel wire, the middle parts of the damping steel wire and the bearing pad are respectively provided with a through hole with the same size, one side of the bearing pad away from the damping steel wire is fixedly welded with an agnail pad, a buckle mechanism for fixing the bearing pad and the damping steel wire is further sleeved in the through hole, the buckle mechanism comprises a female buckle sleeved in the through hole and a male buckle used in cooperation with the female buckle, the female buckle comprises a connecting part sleeved in the through hole and a fixing part which is in a tubular shape and is arranged at one end of the connecting part, the fixing part is arranged at one side of the bearing pad, the external diameter of fixed part is greater than the diameter of through-hole, the son is detained and is the tubulose setting in connecting portion and set up the solid stator portion that is the ring form setting keeping away from connecting portion one end at connecting portion including the suit, solid stator portion sets up the outside at the bearing pad of keeping away from fixed part one side, the one end of the near connecting portion of sub-portion is provided with the fastening arch, the fastening arch is the even distribution in the outside of connecting portion of annular, the bearing pad adopts metal material to make.

Preferably, a fixing hook is disposed at one end of the connecting portion close to the connecting portion, and a fixing sub-hook matched with the connecting portion is disposed on the connecting portion.

Preferably, one end of the connecting portion, which is close to the connecting portion, is provided with a metal elastic sheet, the outer side of the metal elastic sheet is provided with a fixing buckle, the fixing buckle is in an inverted L-shaped arrangement, and the connecting portion is provided with a fixing hole matched with the fixing buckle.

Preferably, the metal elastic sheets are uniformly distributed on the side wall of the connector part in a ring shape.

Preferably, the metal elastic sheet is arranged between two adjacent fastening bulges.

Preferably, the shock absorbing steel wire is formed by pressing a steel wire mesh.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. the utility model discloses a novel balanced shock attenuation of buckle formula current potential device utilizes the effectual bearing gasket and shock attenuation steel wire of linking together of buckle mechanism in the through-hole of suit, and then has solved the technical problem that the electric conductive property that current bonding leads to reduces, simultaneously, the utility model discloses simple structure, processing convenience are fit for using widely on a large scale.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic structural diagram of the novel snap-in type potential equalization damping device provided in embodiment 1;

fig. 2 is an exploded view of the novel snap-in type potential equalization damping device provided in embodiment 1;

fig. 3 is a schematic structural view of a connection state of the female buckle and the male buckle provided in embodiment 1;

fig. 4 is an exploded view of the novel snap-in type potential equalization damping device provided in embodiment 2;

fig. 5 is a schematic structural view of the female buckle provided in embodiment 2;

FIG. 6 is a schematic view of the structure of a sub-slit provided in example 2;

in the above figures, 1, a load-bearing pad; 11. a barbed gasket; 2. a shock-absorbing steel wire; 3. a through hole; 4. a female buckle; 41. a connecting portion; 411. a fixing hole; 42. a fixed part; 53. a fixed hook; 5. a sub-buckle; 51. a connector section; 511. a fastening projection; 512. a metal spring sheet; 513. a fixing buckle; 52. a fixed stator portion; 53. a stator hook.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

Embodiment 1, as shown in fig. 1-2, the utility model discloses aim at solving the technical problem that electric conductive property that the balanced damping device of current potential sticky fixation leads to reduces, for this reason, the balanced damping device of novel buckle formula potential that this embodiment provided, including two bearing pads and the shock attenuation steel wire of setting between two bearing pads, wherein, bearing pads's diameter is the same with shock attenuation steel wire's excircle diameter, shock attenuation steel wire and bearing pads's middle part all is equipped with the same through-hole of a size, be provided with the through-hole in the through-hole, shock attenuation steel wire is formed by the wire net suppression, bearing pads adopts metal material to make, specific iron sheet that says so, the structural design of above structure for the balanced damping device of current potential, so in this embodiment, do not add detailed description.

The key improvement of the embodiment lies in that a buckle mechanism for fixing the bearing gasket and the shock-absorbing steel wire is further sleeved in the through hole, the main purpose of the embodiment is to replace the traditional adhesive fixation by adopting a mechanical fixation mode, therefore, the buckle mechanism provided by the embodiment comprises a female buckle sleeved in the through hole and a male buckle matched with the female buckle for use, concretely, the female buckle comprises a connecting part sleeved in the through hole and arranged in a tubular shape and a fixing part arranged at one end of the connecting part in a circular ring shape, the length of the connecting part can extend from the bearing gasket at one side to a position close to the bearing gasket at the other side, the fixing part is arranged at one side of the bearing gasket far away from the shock-absorbing steel wire, the main function of the fixing part is to clamp the bearing gasket at the side when the male buckle and the female buckle are connected, and therefore, the outer diameter of, the shape of the male buckle and the female buckle is basically the same, specifically, the male buckle comprises a tubular connecting sub part which is sleeved in the connecting part and a fixed stator part which is arranged at one end of the connecting sub part far away from the connecting part and is arranged in a circular ring shape, in the embodiment, the connecting sub part is sleeved in the connecting part, namely, the female buckle and the male buckle are buckled, the fixed stator part is arranged at the outer side of a bearing gasket far away from one side of the fixing part, the fixed stator part and the fixing part have the same function and the same outer diameter, in order to realize the buckling of the fixed stator part and the fixing part, a fastening bulge is arranged at one end of the connecting sub part close to the connecting part, the fastening bulge is uniformly distributed at the outer side of the connecting sub part in a ring shape, the end of the connecting part of the female buckle far away from the fixing part is designed to be a reduced opening, the male buckle and the female buckle are pressed together, so that the fastening protrusion extends into the connecting part, all components are connected together, the structure is similar to a buckle commonly used on the existing clothes, detailed description is omitted in the embodiment, and of course, the male buckle and the female buckle are made of metal materials and made of copper in the embodiment.

In order to further improve the fixing effect, in this embodiment, the end of the connecting portion close to the connecting sub portion is provided with a fixing hook, and the connecting sub portion is provided with a fixing sub hook matched with the connecting portion, so that the fixing effect is further improved by the hook of the fixing hook and the fixing sub hook and the falling can be further avoided.

In order to further improve the effect of potential balance, in this embodiment, the fixed welding has the barb gasket in one side that the shock attenuation steel wire was kept away from to the bearing gasket, and the barb gasket is the little ring of evenly distributed on the bearing gasket, is annular evenly distributed's little ring through these, the effectual effect that has improved the potential balance.

Embodiment 2, this embodiment provides a novel balanced shock attenuation of buckle formula current potential device

Compared with the embodiment 1, in this embodiment, on the basis of the embodiment 1, the buckle mechanism is further improved, specifically, as shown in fig. 3 to 5, in this embodiment, a metal elastic sheet is disposed at one end of the connecting sub-portion close to the connecting portion, the metal elastic sheet is a U-shaped hole formed on a side portion of the connecting sub-portion, so that the metal elastic sheet forms a spring sheet-like structure, a fixing buckle is disposed on an outer side of the metal elastic sheet, the fixing buckle is disposed in an inverted L-shaped configuration, so that the fixing buckle and the metal elastic sheet form a U-shape, a fixing hole matched with the fixing buckle is disposed on the connecting portion, when the male buckle is inserted into the female buckle, the shock-absorbing steel wire is extruded, so that the fixing buckle is clamped in the fixing hole, after the extrusion is completed, the shock-absorbing spring is reset, so that a bottom edge of the fixing hole only abuts against the fixing buckle, and.

In order to further improve the fixing effect, in the embodiment, the metal elastic pieces are uniformly distributed on the side wall of the connecting sub-portion in a ring shape, and the metal elastic pieces are disposed between two adjacent fastening protrusions. Therefore, through the arrangement, the metal elastic sheet and the fastening bulge are matched to form double-insurance fixation, and the fixation effect is ensured.

When specifically using, through placing the balanced damping device in the fixed orifices below high-pressure part of electric potential, behind high-pressure part bolt-up, the barb gasket destroys high-pressure part and automobile body surface finish and realizes that the electric potential is balanced, and the shock attenuation steel wire adopts the steel wire pressfitting to form simultaneously, has certain elasticity, realizes the shock attenuation under the balanced prerequisite of electric potential.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims (7)

1. A novel buckle type potential equalization shock absorption device comprises two bearing gaskets and a shock absorption steel wire arranged between the two bearing gaskets, wherein the diameter of each bearing gasket is the same as the diameter of an excircle of the shock absorption steel wire, and through holes with the same size are formed in the middle parts of the shock absorption steel wire and the bearing gaskets, and the novel buckle type potential equalization shock absorption device is characterized in that a buckle mechanism for fixing the bearing gaskets and the shock absorption steel wire is further sleeved in each through hole and comprises a female buckle sleeved in each through hole and a male buckle matched with the female buckle for use, each female buckle comprises a connecting part sleeved in each through hole in a tubular shape and a fixing part arranged at one end of the connecting part in a circular ring shape, each fixing part is arranged on one side, away from the shock absorption steel wire, of each bearing gasket, the outer diameter of each fixing part is larger than the diameter of each through hole, each male buckle comprises a fixing part sleeved in each connecting part in a, the fixed part portion sets up in the outside of keeping away from the bearing pad of fixed part one side, the fixed welding of one side that the shock attenuation steel wire was kept away from to the bearing pad has barb gasket.

2. The novel snap-in type voltage equalizing shock absorbing device according to claim 1, wherein a fixing hook is disposed at one end of the connecting portion close to the connecting portion, and a fixing sub-hook matched with the connecting portion is disposed on the connecting portion.

3. The novel snap-in type voltage equalizing shock absorbing device according to claim 1, wherein fastening protrusions are disposed at an end of the connecting portion near the connecting portion, the fastening protrusions are uniformly distributed on an outer side of the connecting portion in an annular shape, and the load-bearing gasket is made of a metal material.

4. The novel buckle type potential equalization shock absorption device according to claim 2, wherein a metal spring is disposed at one end of the connecting portion close to the connecting portion, a fixing buckle is disposed at an outer side of the metal spring, the fixing buckle is in an inverted L-shaped configuration, and the connecting portion is provided with a fixing hole matched with the fixing buckle.

5. The novel snap-in type potentiometric equilibrium shock-absorbing device as claimed in claim 4, wherein the metal spring pieces are uniformly distributed on the side wall of the connector portion in a ring shape.

6. The novel snap-in type voltage equalizing shock absorbing device according to claim 4, wherein said metal dome is disposed between two adjacent fastening protrusions.

7. The novel snap-in potentiometric equalization damping device according to claim 5, wherein said damping wire is pressed from a steel mesh.