CN213636362U

CN213636362U - Contact spring sheet

Info

Publication number: CN213636362U
Application number: CN202022914203.5U
Authority: CN
Inventors: 冯国明; 冯卓英
Original assignee: Zhongshan Xiaolan Chenglian Hardware And Electrical Factory
Current assignee: Zhongshan Xiaolan Chenglian Hardware And Electrical Factory
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-07-06
Anticipated expiration: 2030-12-07

Abstract

The utility model discloses a contact shell fragment, including stationary blade, contact piece and two at least ear boards. The stationary blade links to each other with the contact piece, is provided with two at least ear boards in the left and right sides of stationary blade and/or contact piece, forms protrudingly in the both sides of contact shell fragment through the ear board to make two contact shell fragments can't be in the same place smooth coincide under the state of standing, thereby make the contact shell fragment can effectual separation when passing through the vibrations dish, thereby effectively guarantee that the contact shell fragment that gets into the punching machine only a slice, make the yield of contact shell fragment higher, also reduced the human cost.

Description

Contact spring sheet

Technical Field

The utility model relates to a contact shell fragment field.

Background

In order to ensure the stable contact between two parts, the contact spring is produced by passing a straight metal sheet through a vibrating plate, conveying the metal sheet to a punching machine in a standing state through vibration of the vibrating plate, and then directly punching and forming the metal sheet through the punching machine, as shown in fig. 3. However, the conventional contact spring has a problem that the width of the conventional contact spring is substantially equivalent, so that two metal sheets may be stacked up and down when passing through a vibration plate, as shown in fig. 4, the shape of the contact spring formed after stamping is not up to standard, the contact spring needs to be manually removed when in use, the yield is low, and the labor cost is increased.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, an object of the present invention is to provide a contact spring sheet which does not cause a folding problem during production.

The utility model discloses a technical scheme that the solution problem adopted is: a contact spring, comprising:

a fixing sheet;

the end part of the contact piece is connected with the end part of the fixing piece;

at least two ear plates, the ear plates are respectively arranged at the left side and the right side of the fixing sheet and/or the contact sheet.

As a further improvement of the technical proposal, the ear plates are arranged at the left and the right sides of the fixing piece.

As a further improvement of the technical scheme, the two ear plates are arranged symmetrically on the fixing piece.

As a further improvement of the above technical solution, the ear plate is perpendicular to the surface of the fixing piece, and the ear plate is located on a side of the fixing piece away from the contact piece.

As a further improvement of the above technical solution, the fixing piece includes:

positioning plates;

the front end of the transition piece is vertically connected with the tail end of the positioning piece;

the front end of the connecting piece is vertically connected with the tail end of the transition piece, and the tail end of the connecting piece is connected with the front end of the contact piece.

As a further improvement of the technical scheme, the ear plates are arranged at the left side and the right side of the connecting sheet.

As a further improvement of the technical scheme, the connecting piece comprises a front piece body and a rear piece body connected with the front piece body, the front piece body is connected with the transition piece, the width of the front piece body is larger than that of the rear piece body, and the ear plates are arranged on the left side and the right side of the front piece body.

As a further improvement of the above technical solution, the contact piece includes:

the front end of the first sheet body is connected with the tail end of the fixing sheet, and an included angle between the first sheet body and the fixing sheet is smaller than 45 degrees;

the front end of the second sheet body is connected with the tail end of the first sheet body, and the included angle between the first sheet body and the second sheet body is larger than 180 degrees and smaller than 270 degrees;

the front end of the third sheet body is connected with the tail end of the second sheet body, and the included angle between the third sheet body and the second sheet body is 90-180 degrees;

the fourth lamellar body, the front end of fourth lamellar body links to each other with the end of third lamellar body, the contained angle of fourth lamellar body and third lamellar body is between 90 degrees to 180 degrees, distance between fourth lamellar body and the spacer reduces along the direction of keeping away from fourth lamellar body front end gradually.

As a further improvement of the above technical solution, the width of the positioning piece and the transition piece is equal to the width of the front piece body, and the width of the contact piece is equal to the width of the rear piece body.

As a further improvement of the above technical solution, the working side of the contact piece is provided with a contact protrusion.

The utility model has the advantages that: the stationary blade links to each other with the contact piece, is provided with two at least ear boards in the left and right sides of stationary blade and/or contact piece, forms protrudingly in the both sides of contact shell fragment through the ear board to make two contact shell fragments can't be in the same place smooth coincide under the state of standing, thereby make the contact shell fragment can effectual separation when passing through the vibrations dish, thereby effectively guarantee that the contact shell fragment that gets into the punching machine only a slice, make the yield of contact shell fragment higher, also reduced the human cost.

Drawings

The invention will be further explained with reference to the drawings and the detailed description.

FIG. 1 is a schematic structural view of a preferred embodiment of the present invention in use;

FIG. 2 is a schematic structural diagram of a preferred embodiment of the present invention;

fig. 3 is a schematic structural view of a conventional metal dome;

fig. 4 is a schematic structural view of a conventional metal spring piece during lamination.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 4, a contact spring includes:

a fixing piece 10;

a contact piece 20, the end of the contact piece 20 is connected with the end of the fixing piece 10;

at least two ear plates 30, the ear plates 30 are respectively arranged at the left and right sides of the fixing piece 10 and/or the contact piece 20.

Stationary blade 10 links to each other with contact piece 20, stationary blade 10 is used for installing and plays the fixed action on the part that corresponds when using, be provided with two at least ear plates 30 in the left and right sides of stationary blade 10 and/or contact piece 20, it is protruding to form in the both sides of contact shell fragment through ear plate 30, thereby make two contact shell fragments can't be in the same place smooth coincide under the state of standing, thereby make contact shell fragment can effectual separation when passing through the vibrations dish, thereby it only has a slice to effectively guarantee the contact shell fragment that gets into the punching machine, make the yield of contact shell fragment higher.

On this basis, it is preferable that the ear plates 30 are provided on both left and right sides of the fixing piece 10, and it is preferable that the ear plates 30 are two, and the two ear plates 30 are bilaterally symmetrical on the fixing piece 10.

In view of reducing the interference of the ear plate 30 during use and avoiding the need to separate the two contact spring pieces manually due to the elasticity of the contact spring pieces, it is preferable that the ear plate 30 is perpendicular to the surface of the fixing piece 10, and the ear plate 30 is located on the side of the fixing piece 10 away from the contact piece 20, as shown in fig. 2, and the perpendicular ear plate 30 can effectively prevent the two contact spring pieces from being sleeved together.

Further preferably, the fixing sheet 10 includes:

a positioning piece 11;

the front end of the transition piece 12 is vertically connected with the tail end of the positioning piece 11;

the front end of the connecting piece 13 is vertically connected with the tail end of the transition piece 12, and the tail end of the connecting piece 13 is connected with the front end of the contact piece 20.

Preferably, the ear plates 30 are disposed on both left and right sides of the connecting piece 13, and in this case, the distance between the positioning piece 11 and the connecting piece 13 is preferably the length of the ear plate 30.

Preferably, the connecting sheet 13 includes a front sheet 131 and a rear sheet 132 connected to the front sheet 131, the front sheet 131 is connected to the transition sheet 12, the width of the front sheet 131 is greater than that of the rear sheet 132, and the ear plates 30 are disposed on the left and right sides of the front sheet 131.

Further preferably, the contact piece 20 includes:

the front end of the first sheet body 21 is connected with the tail end of the fixing sheet 10, and an included angle between the first sheet body 21 and the fixing sheet 10 is smaller than 45 degrees;

the front end of the second sheet body 22 is connected with the tail end of the first sheet body 21, and the included angle between the first sheet body 21 and the second sheet body 22 is larger than 180 degrees and smaller than 270 degrees;

the front end of the third sheet body 23 is connected with the tail end of the second sheet body 22, and the included angle between the third sheet body 23 and the second sheet body 22 is 90-180 degrees;

fourth lamellar body 24, the front end of fourth lamellar body 24 links to each other with the end of third lamellar body 23, the contained angle of fourth lamellar body 24 and third lamellar body 23 is between 90 degrees to 180 degrees, the distance between fourth lamellar body 24 and spacer 11 reduces along the direction of keeping away from 24 front ends of fourth lamellar body gradually.

All the angles described above are calculated as angles of the contact pieces 20 toward the side of the fixing piece 10.

In a further improvement, the width of the positioning plate 11 and the width of the transition plate 12 are equal to the width of the front plate 131, and the width of the contact plate 20 is equal to the width of the rear plate 132.

Further, in order to further enhance the contact strength between the contact piece 20 and other parts, it is preferable that the working side of the contact piece 20 is provided with a contact protrusion 40.

The above is only the preferred embodiment of the present invention, not limiting the patent scope of the present invention, all of which are under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct or indirect application is included in other related technical fields in the patent protection scope of the present invention.

Claims

1. A contact spring, comprising:

a fixing piece (10);

a contact piece (20), wherein the end part of the contact piece (20) is connected with the end part of the fixed piece (10);

at least two ear plates (30), the ear plates (30) are respectively arranged at the left side and the right side of the fixing piece (10) and/or the contact piece (20).

2. A contact spring as claimed in claim 1, wherein:

the ear plates (30) are arranged at the left side and the right side of the fixing piece (10).

3. A contact spring as claimed in claim 2, wherein:

the two ear plates (30) are arranged symmetrically on the left and right of the fixing piece (10).

4. A contact spring as claimed in claim 3, wherein:

the ear plate (30) is perpendicular to the surface of the fixing piece (10), and the ear plate (30) is positioned on one side of the fixing piece (10) departing from the contact piece (20).

5. A contact spring as claimed in claim 4, wherein:

the fixing piece (10) includes:

a positioning piece (11);

the front end of the transition piece (12) is vertically connected with the tail end of the positioning piece (11);

the front end of the connecting piece (13) is vertically connected with the tail end of the transition piece (12), and the tail end of the connecting piece (13) is connected with the front end of the contact piece (20).

6. A contact spring as claimed in claim 5, wherein:

the ear plates (30) are arranged at the left side and the right side of the connecting sheet (13).

7. A contact spring as claimed in claim 6, wherein:

connecting piece (13) are including preceding lamellar body (131) and the back lamellar body (132) that link to each other with preceding lamellar body (131), preceding lamellar body (131) with transition piece (12) link to each other, the width of preceding lamellar body (131) is greater than back lamellar body (132), otic placode (30) set up in the left and right sides of preceding lamellar body (131).

8. A contact spring as claimed in claim 7, wherein:

the contact sheet (20) includes:

the front end of the first sheet body (21) is connected with the tail end of the fixing sheet (10), and an included angle between the first sheet body (21) and the fixing sheet (10) is smaller than 45 degrees;

the front end of the second sheet body (22) is connected with the tail end of the first sheet body (21), and the included angle between the first sheet body (21) and the second sheet body (22) is larger than 180 degrees and smaller than 270 degrees;

the front end of the third sheet body (23) is connected with the tail end of the second sheet body (22), and the included angle between the third sheet body (23) and the second sheet body (22) is 90-180 degrees;

fourth lamellar body (24), the front end of fourth lamellar body (24) links to each other with the end of third lamellar body (23), the contained angle of fourth lamellar body (24) and third lamellar body (23) is between 90 degrees to 180 degrees, distance between fourth lamellar body (24) and spacer (11) reduces along the direction of keeping away from fourth lamellar body (24) front end gradually.

9. A contact spring as claimed in claim 7 or 8, wherein:

the width of the positioning piece (11) and the width of the transition piece (12) are equal to the width of the front piece body (131), and the width of the contact piece (20) is equal to the width of the rear piece body (132).

10. A contact spring as claimed in any one of claims 1 to 8, wherein:

the working side of the contact piece (20) is provided with a contact projection (40).