CN210310026U

CN210310026U - Electric contact device for electric power track

Info

Publication number: CN210310026U
Application number: CN201921148431.7U
Authority: CN
Inventors: 时杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-14
Filing date: 2019-07-14
Publication date: 2020-04-14
Anticipated expiration: 2029-07-14

Abstract

The utility model relates to an electric contact device for an electric power track, which comprises an insulating fixed seat and at least one electric contact sheet; the electric contact sheet is an integrally formed strip-shaped metal sheet body and comprises a surface contact part, a first fixing part and a second fixing part, wherein the first fixing part and the second fixing part are arranged at two ends of the surface contact part; the insulating fixing seat is a strip-shaped seat body integrally formed by insulating materials, a slot is formed in the insulating fixing seat along the length direction of the insulating fixing seat, and two side walls which are arranged oppositely are arranged in the slot; at least one side wall is provided with an electric contact piece, a first embedding groove for embedding the first fixing part and a second embedding groove for embedding the second fixing part are arranged on the side wall provided with the electric contact piece, and the shapes of the first embedding groove and the second embedding groove are respectively matched with the shapes of the first fixing part and the second fixing part. The utility model has the advantages of simple manufacturing process, convenient processing and forming, good strength, difficult deformation and breakage, easy installation, reliable contact, large contact area, high conduction rate and the like.

Description

Electric contact device for electric power track

Technical Field

The utility model belongs to the technical field of the electric power track technique and specifically relates to an electric contact device for electric power track is related to.

Background

The power track is a sliding power distribution device, and has zero line electric contact device, live line electric contact device and ground line electric contact device extending along the length direction of the track, so that external electric appliance can be inserted to realize mobile electricity taking. For example, the track socket is a power supply device which can take electricity at any position by slidably mounting the power socket on the power track, and the power socket is provided with a zero line contact pin, a live line contact pin and a ground line contact pin.

In the prior art, the conductor parts of the zero line, live line and ground line electric contact devices in the power track mainly have two structures: one is to set the conductor part of each electric contact device as a cylindrical metal conductor, although the manufacture is convenient, because each contact pin of the power socket is in point contact with each metal conductor when in use, the problems of small contact surface, low conduction rate and poor reliability exist; the other is to set the conductor part of each electric contact device as a dovetail-shaped metal plug bush, when in use, each contact pin of the power socket is inserted into the corresponding metal plug bush to be contacted with the arc convex part between the two end walls of the metal plug bush to realize power conduction.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide an electric contact device for a track socket, which has the advantages of simple manufacturing process, convenient processing and forming, good strength, difficult deformation, easy breakage and installation, reliable contact, large contact area and high conduction rate.

The purpose of the utility model is realized through the following technical scheme:

an electric contact device for an electric power rail comprises an insulating fixed seat and at least one electric contact sheet; the electric contact sheet is an integrally formed strip-shaped metal sheet body and comprises a surface contact part, a first fixing part and a second fixing part, wherein the first fixing part and the second fixing part are arranged at two ends of the surface contact part; the insulating fixing seat is a strip-shaped seat body integrally formed by insulating materials, a slot is formed in the insulating fixing seat along the length direction of the insulating fixing seat, and two side walls which are arranged oppositely are arranged in the slot; at least one side wall is provided with the electric contact piece, the side wall provided with the electric contact piece is provided with a first caulking groove for embedding the first fixing part and a second caulking groove for embedding the second fixing part, and the shapes of the first caulking groove and the second caulking groove are respectively matched with the shapes of the first fixing part and the second fixing part.

Furthermore, the slot, the first caulking groove and the second caulking groove penetrate through the insulating fixed seat along the length direction.

In one embodiment, the surface contact portion is a flat surface contact portion.

Further, the two side walls are two side walls extending along the insertion direction of the slot.

In one embodiment, each of the first and second fixing portions is an inclined portion formed by bending a corresponding end of the surface contact portion in a direction toward the side wall corresponding thereto.

In another embodiment, the first fixing portion is an inclined portion formed by bending one end of the surface contact portion in a direction toward the side wall corresponding thereto, and the second fixing portion is a straight portion.

In one embodiment, two side walls in the slot are respectively provided with one electric contact piece, and the two electric contact pieces are arranged oppositely and form a clamping gap between the two electric contact pieces.

In another embodiment, one of the side walls of the slot is provided with the electric contact piece, and the electric contact piece and the other side wall of the slot form a clamping gap.

Furthermore, a certain gap is reserved between the back surface of the surface contact part and the side wall corresponding to the back surface.

Furthermore, the outer end of the slot is provided with an introducing port of an outward-expanding structure, and the outer surface of the insulating fixing seat is provided with a limiting groove.

As an embodiment, the surface contact portion is an arc surface contact portion, and the first fixing portion and the second fixing portion are arc-shaped fixing portions formed by extending two ends of the surface contact portion outwards.

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

firstly, the utility model discloses electric contact piece is integrated into one piece's rectangular shape metal lamellar body, and not only manufacturing process is simple, and machine-shaping is convenient, and self intensity is good moreover, non-deformable is lost, long service life.

Secondly, the utility model discloses electric contact piece carries out face contact complex face contact portion including being suitable for with the contact pin of outside conversion system (for example supply socket), consequently can increase the area of contact of the two, and then improves the power conduction rate.

Furthermore, the utility model discloses the electric contact piece is still including setting up first fixed part and the second fixed part at face contact portion both ends to be equipped with two and the identical caulking grooves of first fixed part and second fixed part shape in the slot of insulating fixing base, thereby when making the electric contact piece installation, only need follow the one of them end opening of slot and two caulking grooves aim at insert can, very convenient.

Finally, the utility model discloses be formed with in the slot and be suitable for carrying out the centre gripping clearance of centre gripping to the contact pin of external conversion system (for example supply socket), consequently can effectively ensure the reliability of contact.

Drawings

Fig. 1 is a schematic cross-sectional view of a first embodiment of an electrical contact device according to the present invention.

Fig. 2 is a schematic perspective view of a first electrical contact device according to an embodiment of the present invention.

Fig. 3 is a schematic cross-sectional view of a second embodiment of an electrical contact device according to the present invention.

Fig. 4 is a schematic cross-sectional view of a third embodiment of an electrical contact device according to the present invention.

Fig. 5 is a schematic cross-sectional view of a fourth embodiment of the electrical contact device of the present invention.

Fig. 6 is a schematic cross-sectional view of an embodiment of an electrical contact device according to the present invention.

Fig. 7 is a schematic cross-sectional view of a sixth embodiment of an electrical contact apparatus according to the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments shown in the drawings.

As shown in fig. 1 to 5, the electrical contact device for an electric power rail according to the present embodiment includes an insulating holder 1 and at least one electrical contact strip 2. The electrical contact sheet 2 is an integrally formed elongated metal sheet, and includes a surface contact portion 21, and a first fixing portion 22 and a second fixing portion 23 disposed at two ends of the surface contact portion. The insulating fixing seat 1 is a strip-shaped seat body integrally formed by insulating materials, a slot 11 formed in the insulating fixing seat 1 along the length direction of the insulating fixing seat is formed in the insulating fixing seat 1, and two side walls 111 which are arranged oppositely are arranged in the slot 11. At least one of the sidewalls 111 is mounted with an electrical contact piece 2, and the sidewall 111 mounted with the electrical contact piece 2 is provided with a first caulking groove 1111 for the first fixing portion 22 to be embedded and a second caulking groove 1112 for the second fixing portion 23 to be embedded, and the shapes of the first caulking groove 1111 and the second caulking groove 1112 are respectively matched with the shapes of the first fixing portion 22 and the second fixing portion 23.

The slot 11, the first caulking groove 1111 and the second caulking groove 1112 all penetrate through the insulating fixing base 1 along the length direction, so that when the electrical connection sheet 2 is installed in the insulating fixing base 1, only the electrical connection sheet needs to be inserted into the insulating fixing base 1 from the opening at one end of the slot 11, the opening at one end of the first caulking groove 1111 and the opening at one end of the second caulking groove 1112.

Preferably, as an implementation structure of the electrical contact pad 2, the surface contact portion 21 is a plane contact portion, so that the contact area can be further increased, and the power conduction rate can be improved.

For convenience, the two side walls 111 are two side walls extending along the insertion direction of the slot 11.

As shown in fig. 1 and 3, in an embodiment of the present invention, each of the first fixing portion 22 and the second fixing portion 23 is an inclined portion formed by bending a corresponding end of the surface contact portion 21 in a direction toward the corresponding side wall 111.

As shown in fig. 4 and 5, according to another embodiment of the present invention, the first fixing portion 22 is an inclined portion formed by bending one end of the surface contact portion 21 in a direction of the side wall 111 corresponding thereto, and the second fixing portion 23 is a straight portion.

As shown in fig. 1 and 4, as an embodiment of the present invention, two side walls 111 in the slot 11 are respectively installed with an electrical contact piece 2, and the two electrical contact pieces 2 are oppositely disposed and form a clamping gap 30 therebetween.

As shown in fig. 3 and 5, as another embodiment of the present invention, an electrical contact strip 2 is mounted on one of the side walls 111 in the slot 11, and a clamping gap 40 is formed between the electrical contact strip 2 and the other side wall 111 in the slot 11.

The

aforementioned clamping gaps

30, 40 have a size smaller than the contact foot width of the external switching system (e.g. an electrical outlet), so that the contact feet of the external switching system are clamped in the

clamping gaps

30, 40 and are in close contact with the face contact portions 21 of the electrical contact strips 2.

Preferably, a certain clearance is left between the back surface of the surface contact portion 21 and the corresponding side wall 111, and the clearance enables the surface contact portion 21 to have a small deformation interval when being matched with a contact pin of an external conversion system so as to meet the insertion of the contact pin.

The outer end of the insertion groove 11 is provided with an introduction port 110 of an outwardly expanding structure, and the introduction port 110 can guide the contact pin of the external conversion system to be inserted more smoothly. Be equipped with spacing recess 100 on the surface of insulating fixing base 1, work as the utility model discloses an electric contact device installs when in the electric power track, can install the location through this spacing recess 100.

As shown in fig. 6 and 7, as another embodiment of the electrical contact strip 2, the surface contact portion 21 is a cambered surface contact portion, and the first fixing portion 22 and the second fixing portion 23 are arc-shaped fixing portions formed by extending outward from both ends of the surface contact portion 21.

The above mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention can not be limited thereby, and all the simple equivalent changes and modifications made according to the claims and the description of the present invention are still included in the scope of the present invention.

Claims

1. An electric contact device for an electric power rail comprises an insulating fixed seat and at least one electric contact sheet; the method is characterized in that: the electric contact sheet is an integrally formed strip-shaped metal sheet body and comprises a surface contact part, a first fixing part and a second fixing part, wherein the first fixing part and the second fixing part are arranged at two ends of the surface contact part; the insulating fixing seat is a strip-shaped seat body integrally formed by insulating materials, a slot is formed in the insulating fixing seat along the length direction of the insulating fixing seat, and two side walls which are arranged oppositely are arranged in the slot; at least one side wall is provided with the electric contact piece, the side wall provided with the electric contact piece is provided with a first caulking groove for embedding the first fixing part and a second caulking groove for embedding the second fixing part, and the shapes of the first caulking groove and the second caulking groove are respectively matched with the shapes of the first fixing part and the second fixing part.

2. An electrical contact arrangement for an electrical power track according to claim 1, characterized in that: the slot and the first caulking groove and the second caulking groove penetrate through the insulating fixed seat along the length direction.

3. An electrical contact arrangement for an electrical power track according to claim 1, characterized in that: the surface contact portion is a planar contact portion.

4. An electrical contact arrangement for an electrical power track according to claim 1, characterized in that: the two side walls are two side walls extending along the inserting direction of the inserting groove.

5. An electric contact arrangement for an electric power track according to claim 1 or 2 or 3 or 4, characterized in that: the first fixing part and the second fixing part are both inclined parts formed by bending corresponding ends of the surface contact parts towards the side wall direction corresponding to the corresponding ends.

6. An electric contact arrangement for an electric power track according to claim 1 or 2 or 3 or 4, characterized in that: the first fixing part is an inclined part formed by bending one end of the surface contact part to the side wall direction corresponding to the first fixing part, and the second fixing part is a straight part.

7. An electric contact arrangement for an electric power track according to claim 1 or 2 or 3 or 4, characterized in that: the two side walls in the slot are respectively provided with the electric contact sheet, the two electric contact sheets are arranged oppositely, and a clamping gap is formed between the two electric contact sheets.

8. An electric contact arrangement for an electric power track according to claim 1 or 2 or 3 or 4, characterized in that: one side wall in the slot is provided with the electric contact piece, and a clamping gap is formed between the electric contact piece and the other side wall in the slot.

9. An electric contact arrangement for an electric power track according to claim 1 or 2 or 3 or 4, characterized in that: a certain gap is reserved between the back surface of the surface contact part and the side wall corresponding to the back surface, an introducing port of an outward-expanding structure is arranged at the outer end of the inserting groove, and a limiting groove is arranged on the outer surface of the insulating fixing seat.

10. An electrical contact arrangement for an electrical power track according to claim 1, characterized in that: the face contact portion is an arc face contact portion, and the first fixing portion and the second fixing portion are arc-shaped fixing portions formed by extending the two ends of the face contact portion outwards.