CN218215021U - Electrical contact assembly - Google Patents

Abstract

The utility model discloses an electrical contact subassembly, including contact fixed head A and contact base plate, be located contact fixed head A of contact base plate lower extreme, be located the electrical contact A on the outer wall of contact fixed head A front end, contact base plate upper end is provided with contact fixed head B, be provided with electrical contact B on the outer wall of contact fixed head B front end, it has a novel elastic contact device that obtains all to increase through two contact fixed head insides at this electrical contact subassembly, and elastic contact device is when not influencing the normal and conducting object contact of the electrical contact of two contact fixed heads, can play outside expanded effect again in two contact fixed head insides, makes electrical contact can fully contact with the conducting object always through outside expansion electrical contact to can avoid this electrical contact subassembly to receive long influence and other factors influence and the contact failure's condition emergence appears easily when using.

Description

Electrical contact assembly

Technical Field

The utility model belongs to the technical field of electric power is relevant, concretely relates to electrical contact subassembly.

Background

The contact is mainly used for connecting or breaking a circuit, the contact is required to have good contact performance and conductivity, and an electric appliance with small current capacity is adopted.

Through retrieval, a patent document with the application number of CN202121829737.6 discloses an electrical contact assembly, which relates to the technical field of electrical equipment and comprises an insulating base plate, static contact plates arranged on two sides of the top of the insulating base plate and a mounting plate arranged above the top surface of the insulating base plate, wherein the mounting plate is in a U-shaped plate shape with a downward notch, a movable contact plate is transversely arranged on the inner top surface of the mounting plate, a mounting groove is formed in the top surface of the insulating base plate, and a pressure stop insulating block is transversely arranged in the upper part of the mounting groove; a limiting component for pressing and stopping the insulation block for fixing is arranged in the mounting port; the utility model has simple structure, and through the matching of the pressure insulation block, the limit component and the guide strip, the static contact plate is convenient to be pressed in the mounting groove, the static contact plate is convenient to be prevented from moving, and simultaneously the stability of the static contact plate after being mounted is improved; the phenomenon that electric sparks appear on the inner wall of the plate body of the static contact plate when the static contact plate is electrified is effectively avoided, the service life of the static contact plate is prolonged, but when the electric contact, particularly the strip-shaped electric contact, is used, the strip-shaped electric contact needs to be in contact with the contact through the electric contact plates at two ends, and the strip-shaped electric contact does not have elasticity, so that looseness is easily generated between the electric contact plates and the contact under the influence of long time use and other factors, and the condition of poor contact between the electric contact plates and the contact can be easily caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electrical contact subassembly to the banding electrical contact who proposes in solving above-mentioned background does not have elasticity, so receive to influence and other factors influence when using and cause easily and produce between electrical contact and the contact not hard up, thereby can cause the easy bad contact problem that appears between electrical contact and the contact.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an electrical contact subassembly, includes contact fixed head A and contact base plate, is located contact fixed head A of contact base plate lower extreme, is located electrical contact A on the outer wall of contact fixed head A front end, the contact base plate upper end is provided with contact fixed head B, be provided with electrical contact B on the outer wall of contact fixed head B front end, the inside of contact fixed head A and contact fixed head B all is provided with the elastic contact device.

Preferably, the elastic contact device includes U type flaring, elasticity elliptical ring, V type expansion piece and stationary blade, the outside U type flaring of opening is provided with to contact fixed head B inside, the inside V type expansion piece that is provided with of U type flaring top opening, the inside elasticity elliptical ring that is provided with in U type flaring interlude, all through stationary blade fixed connection between elasticity elliptical ring and V type expansion piece and the U type flaring.

Preferably, fixed spout has been run through to inside in contact base plate interlude, fixed slot has all been run through to inside both ends outer wall about the contact base plate interlude.

Preferably, the width and the thickness of the contact piece fixed head A, the contact substrate and the contact piece fixed head B are the same, and arc surfaces are adopted for processing edges at the left end and the right end of the bottom of the contact piece fixed head A and edges at the left end and the right end of the top of the contact piece fixed head B.

Preferably, the electric contact piece A and the contact piece fixing head A as well as the electric contact piece B and the contact piece fixing head B are fixedly connected through welding, and the thickness of the electric contact piece A is the same as that of the electric contact piece B.

Preferably, the elastic elliptical ring and the V-shaped expansion piece are both made of elastic metal, and the elastic elliptical ring and the V-shaped expansion piece can automatically recover through self elasticity after being pressed.

Preferably, the inside solid setting that adopts of contact base plate, contact base plate left and right sides both ends outer wall is inside equally divide and do not is provided with two fixed slot, fixed slot is U type structure.

Compared with the prior art, the utility model provides an electrical contact subassembly possesses following beneficial effect:

the utility model discloses an it has a novel elastic contact device that obtains all to increase in two contact fixed head inside of this electrical contact subassembly, elastic contact device is when not influencing two overhead electrical contact of contact fixed normal and conducting object contact, can be again in two contact fixed head inside outside expanded effect of playing, make electrical contact can fully contact with the conducting object always through outside expansion electrical contact, thereby can avoid this electrical contact subassembly to receive the long influence of using and influence and other factors and the bad contact condition emergence appears easily.

Drawings

Fig. 1 is a schematic front perspective view of an electrical contact assembly according to the present invention.

Fig. 2 is a schematic side view of the electrical contact assembly of the present invention.

Fig. 3 is a schematic plan view of the elastic contact device of the present invention.

In the figure: 1. an electrical contact A; 2. a contact fixing head A; 3. a contact substrate; 4. fixing the clamping groove; 5. fixing the chute; 6. a contact fixing head B; 7. an electrical contact B; 8. a resilient contact means; 9. u-shaped flaring; 10. an elastic elliptical ring; 11. a V-shaped expansion sheet; 12. a fixing sheet.

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.

The utility model provides an as shown in fig. 1-3 an electrical contact subassembly, including contact fixed head A2 and contact substrate 3, contact fixed head A2 installs the lower extreme at contact substrate 3, be provided with electrical contact A1 on the contact fixed head A2 front end outer wall, contact substrate 3 upper end is provided with contact fixed head B6, be provided with electrical contact B7 on the contact fixed head B6 front end outer wall, contact fixed head A2 and contact fixed head B6's inside all is provided with elastic contact device 8, the inside fixed chute 5 that runs through of contact substrate 3 interlude, contact substrate 3 interlude is controlled inside both ends outer wall and is all run through fixed slot 4, contact substrate 3 inside adopts solid setting, contact substrate 3 is controlled both ends outer wall inside equally divide equally and do not be provided with two fixed slot 4, fixed slot 4 is the U type structure, fixed slot 4's design can make electrical contact can be firm more stable after being installed, simultaneously before fixing this electrical contact subassembly through the screw, fixed slot 4 has blocked in the outside the fixture block, thereby can facilitate the use and install fixed contact subassembly.

As shown in fig. 1, fig. 2 and fig. 3, the elastic contact device 8 includes a U-shaped flaring 9, an elastic elliptical ring 10, a V-shaped flaring sheet 11 and a fixing sheet 12, a U-shaped flaring 9 with an outward opening is arranged inside a contact fixing head B6, a V-shaped flaring sheet 11 is arranged inside an opening at the top end of the U-shaped flaring 9, an elastic elliptical ring 10 is arranged inside the middle section of the U-shaped flaring 9, the elastic elliptical ring 10 and the V-shaped flaring sheet 11 are fixedly connected with the U-shaped flaring 9 through the fixing sheet 12, the elastic elliptical ring 10 and the V-shaped flaring sheet 11 are both made of elastic metal, the elastic elliptical ring 10 and the V-shaped flaring sheet 11 can automatically recover through self elasticity after being pressed, the elastic elliptical ring 10 and the V-shaped flaring sheet 11 are fixed inside the U-shaped flaring 9 through the fixing sheet 12, so as to avoid the flaring from the occurrence of the phenomenon that the elastic elliptical ring 10 and the V-shaped flaring sheet 11 fall off, the elastic elliptical ring 10 and the V-shaped flaring sheet 11 can always expand the U-shaped flaring sheet 9, and the elastic elliptical ring 10 and the V-shaped flaring sheet 11 can normally outward expand the U-shaped flaring sheet 9, so that two electrical contacts and the electrical contacts can be electrically forward, and the electrical contacts can be electrically contact contacts can be electrically and the contact contacts can be electrically.

As shown in fig. 1 and 2, contact fixed head A2, contact base plate 3 and contact fixed head B6's width and thickness are all the same, both ends edges and corners department and contact fixed head B6 top are all adopted the cambered surface to handle about contact fixed head A2 bottom, edges and corners department adopts the cambered surface to handle and can avoid the edges and corners to fish tail the user easily for sharp-pointed angle, especially at the in-process of installing this electrical contact, the user can be endangered to the sharp-pointed edges of metal, so the emergence of this condition then can be avoided to the cambered surface angle.

As shown in fig. 1 and 2, all be connected through welded fastening between electric contact A1 and contact fixed head A2 and electric contact B7 and the contact fixed head B6, electric contact A1 is the same with electric contact B7's thickness, and two electric contact's structure and thickness are all the same, just so can this electric contact's of greatly increased contact effect, also can increase this electric contact's conductive stability simultaneously.

The utility model discloses theory of operation: when the electrical contact assembly is assembled and used, firstly, the electrical contact piece A1 needs to be attached to the front end outer wall of the contact piece fixing head A2, then the electrical contact piece A1 is fixed on the front end outer wall of the contact piece fixing head A2 in a welding mode, then the electrical contact piece B7 needs to be attached to the front end outer wall of the contact piece fixing head B6, then the electrical contact piece B7 is fixed on the front end outer wall of the contact piece fixing head B6 in a welding mode, then the redundant part of the welding position of the electrical contact piece A1 and the electrical contact piece B7 is ground through a grinder, so that the conductive stability can be improved, then the installation position of the electrical contact assembly needs to be determined, the electrical contact is clamped on the installation position through the fixing clamping grooves 4 in the outer walls of the left end and the right end of the contact substrate 3, and then the fixing screws penetrate through the fixing sliding grooves 5 and are screwed on the installation position, so that the electrical contact is installed on the electrical contact position needing to be used.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (6)

1. The utility model provides an electrical contact subassembly, includes fixed head A (2) of contact piece and contact substrate (3), is located the fixed head A (2) of contact piece of contact substrate (3) lower extreme, is located electric contact piece A (1) on the fixed head A (2) front end outer wall of contact piece, its characterized in that: a contact piece fixing head B (6) is arranged at the upper end of the contact substrate (3), an electrical contact piece B (7) is arranged on the outer wall of the front end of the contact piece fixing head B (6), and elastic contact devices (8) are arranged inside the contact piece fixing head A (2) and the contact piece fixing head B (6);

elastic contact device (8) are including U type flaring (9), elasticity elliptical ring (10), V type expansion piece (11) and stationary blade (12), contact fixed head B (6) inside is provided with outside U type flaring (9) of opening, U type flaring (9) top opening inside is provided with V type expansion piece (11), inside elasticity elliptical ring (10) that is provided with of U type flaring (9) interlude, all through stationary blade (12) fixed connection between elasticity elliptical ring (10) and V type expansion piece (11) and U type flaring (9).

2. An electrical contact assembly as claimed in claim 1, wherein: fixed spout (5) have been run through to contact base plate (3) interlude inside, fixed slot (4) have all been run through to contact base plate (3) interlude left and right sides both ends outer wall inside.

3. An electrical contact assembly as in claim 1 wherein: the width and the thickness of contact fixed head A (2), contact base plate (3) and contact fixed head B (6) are all the same, both ends edges and corners department and contact fixed head B (6) top are all adopted the cambered surface to handle about contact fixed head A (2) bottom.

4. An electrical contact assembly as in claim 1 wherein: the electric contact piece A (1) and the contact piece fixing head A (2) and the electric contact piece B (7) and the contact piece fixing head B (6) are fixedly connected through welding, and the thickness of the electric contact piece A (1) is the same as that of the electric contact piece B (7).

5. An electrical contact assembly as in claim 1 wherein: the elastic elliptical ring (10) and the V-shaped expansion piece (11) are both made of elastic metal, and the elastic elliptical ring (10) and the V-shaped expansion piece (11) can automatically recover through self elasticity after being pressed.

6. An electrical contact assembly as in claim 2 wherein: contact base plate (3) inside adopts solid setting, contact base plate (3) are controlled both ends outer wall inside and are equallyd divide and do not be provided with two fixed slot (4), fixed slot (4) are U type structure.

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