CN213277835U

CN213277835U - Electrical contact assembly

Info

Publication number: CN213277835U
Application number: CN202022560527.3U
Authority: CN
Inventors: 杨郭驰; 邢媚; 汪淏; 邹红
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-09
Filing date: 2020-11-09
Publication date: 2021-05-25
Anticipated expiration: 2030-11-09

Abstract

The utility model discloses an electrical contact subassembly, including the contact seat, set up the cavity in the contact seat, and be equipped with the conducting rod in the cavity, the conducting rod bottom is passed through screw installation moving contact, and is equipped with the static contact that corresponds with it bottom the moving contact, circular through-hole has been seted up to moving contact top side surface, and the circular through-hole endotheca is equipped with defeated oil pipe, defeated oil pipe one end runs through the contact seat and is located the outside, and defeated oil pipe one side oil feed end cover is equipped with the sealing plug. The utility model discloses be provided with defeated oil pipe, personnel can be manual take away the sealing plug from defeated oil pipe is intraductal, and personnel can be manual afterwards pour into defeated oil pipe with lubricating oil into inside, and at this moment, lubricating oil can pass circular through-hole under the effect of gravity, slides to static contact top surface and moving contact bottom surface to lubricate contact surface between them, this mode need not to dismantle the contact subassembly and just can directly lubricate the operation, has reduced personnel's work load.

Description

Electrical contact assembly

Technical Field

The utility model relates to an electrical technology field specifically is an electrical contact subassembly.

Background

The electrical contact is a leading electrical contact material widely applied to relays, contactors, load switches, medium and low voltage circuit breakers, and switching appliances such as household appliances and automobile appliances (horns, lamps and ignitors).

Patent numbers: 201920319591.7 discloses an electrical contact assembly, wherein the conductive block is connected with the conductive rod by screw thread, and the replacement is convenient; the static contact is tightly contacted with the moving contact under the action of an external spring, so that the contact points are closer, and the structural reliability is improved.

The contact assembly of the device has the following defects: 1. after long-time use, need be to contact department interpolation lubricating oil, lubricate, and common electrical contact interpolation lubricating oil need be dismantled contact subassembly, just can operate, the work load has been increased, 2, the spring elasticity weakens after long-time use, lead to connecting unstably, life receives the influence, 3, at the in-process that uses, can leave one section reserve wire usually, so that follow-up maintenance, and the unable convenient arrangement of reserve wire, can take place the upset, thereby the degree of difficulty when having increased personnel's maintenance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electrical contact subassembly, personnel can be manual take the sealing plug away from in the oil pipe, and personnel can be manual afterwards pour into oil pipe with lubricating oil into inside, and at this moment, lubricating oil can pass circular through-hole under the effect of gravity, slides to static contact top surface and moving contact bottom surface to lubricate contact surface between them, and this mode need not to dismantle contact subassembly and just can directly lubricate the operation, has reduced personnel's work load.

In order to achieve the above object, the utility model provides a following technical scheme: an electrical contact assembly comprises a contact seat, wherein a cavity is formed in the contact seat, a conductive rod is arranged in the cavity, a moving contact is installed at the bottom of the conductive rod through a screw, a static contact corresponding to the moving contact is arranged at the bottom of the moving contact, a circular through hole is formed in the surface of one side of the top of the moving contact, an oil delivery pipe is sleeved in the circular through hole, one end of the oil delivery pipe penetrates through the contact seat and is positioned outside, a sealing plug is sleeved at the oil inlet end of one side of the oil delivery pipe, a first arc-shaped block corresponding to the conductive rod is installed on one side in the cavity through the screw, a second arc-shaped block corresponding to the conductive rod is arranged on the other side in the cavity, a fixing plate is installed on one side of the second arc-shaped block through the screw, a reserved groove and a bearing installation screw rod are arranged on one side of the fixing plate, one, and the L-shaped fixing plate is internally provided with a device wire column through a preformed hole.

As the utility model discloses a preferred embodiment of electrical contact subassembly, one end is equipped with U type frame in the cavity, and the fixed plate is located U type frame.

As the utility model discloses a preferred embodiment of electrical contact subassembly, terminal bottom periphery is equipped with the locating plate, and the locating plate is located the cavity top, terminal periphery is equipped with the insulating casing.

As the utility model discloses a preferred embodiment of electrical contact subassembly, the static contact bottom is equipped with the terminal No. two, and the terminal No. two is located the contact seat.

As the utility model discloses a preferred embodiment of electrical contact subassembly, fixed screw hole has been seted up on contact seat bottom both sides surface.

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

the utility model relates to an electrical contact subassembly, through setting up defeated oil pipe, circular through-hole and sealing plug, when needs add lubricating oil, personnel can manually take away the sealing plug from defeated oil pipe is intraductal, personnel can manually pour into defeated oil pipe with lubricating oil into inside afterwards, at this moment, lubricating oil can pass circular through-hole under the effect of gravity, slide to static contact top surface and moving contact bottom surface, to lubricate contact surface between them, this mode need not to dismantle the contact subassembly and just can directly lubricate the operation, personnel's work load has been reduced.

The utility model relates to an electrical contact subassembly, through setting up an arc piece, No. two arc stoppers and screw rod, when moving contact and static contact, personnel can manual rotatory screw rod to make No. two arc pieces be close to an arc piece, and then make both can be fixed with the conducting rod centre gripping, in order to guarantee the contact stability of moving contact and static contact, this mode makes the moving contact more inseparable with the static contact connection, and life is longer, has good performance.

The utility model relates to an electrical contact subassembly puts the terminal through setting up, and in the use, personnel can twine reserve wire on putting the terminal surface to prevent that the wire from disturbing, and, when external force draws the drag wire, the power that its produced can be born by putting the terminal, can not exert an influence to the wire of connecting a terminal, and this mode can be to the convenient arrangement of wire, thereby reduces personnel and maintains the degree of difficulty, improves the stability that the wire is connected.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic view of an overall structure of an electrical contact assembly according to the present invention.

Fig. 2 is the utility model relates to a U type frame, fixed plate and No. two arc piece position structure schematic diagrams of electrical contact subassembly.

Fig. 3 is an enlarged schematic structural view of a portion a of an electrical contact assembly according to the present invention.

In the figure: the fixed screw hole of 1, No. 2 terminal, 3 static contacts, 4 circular through-holes, 5 moving contacts, 6 defeated oil pipe, No. 7 arc pieces, No. 8 arc pieces, 9 fixed plates, 10 cavities, 11 conducting rods, 12 locating plates, No. 13 terminal, 14 insulating housing, 15 line posts, 16L type fixed plates, 17U type frame, 18 contact seats, 19 screw rods, 20 sealing plugs.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected" and "disposed" are to be interpreted broadly, and may be, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the utility model discloses in provide only supply the reference with the model of electrical apparatus. For those skilled in the art, different types of electrical appliances with the same function can be replaced according to actual use conditions, and for those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations.

Referring to fig. 1-3, the present invention provides a technical solution of an electrical contact assembly: an electrical contact assembly comprises a contact seat 18, wherein a cavity 10 is formed in the contact seat 18, a conductive rod 11 is arranged in the cavity 10, a movable contact 5 is installed at the bottom of the conductive rod 11 through a screw, a fixed contact 3 corresponding to the movable contact 5 is arranged at the bottom of the movable contact 5, a circular through hole 4 is formed in the surface of one side of the top of the movable contact 5, an oil conveying pipe 6 is sleeved in the circular through hole 4, one end of the oil conveying pipe 6 penetrates through the contact seat 18 and is located outside, a sealing plug 20 is sleeved at the oil inlet end of one side of the oil conveying pipe 6, a first arc-shaped block 7 corresponding to the conductive rod 11 is installed at one side in the cavity 10 through a screw, a second arc-shaped block 8 corresponding to the conductive rod 11 is arranged at the other side in the cavity 10, a fixing plate 9 is installed at one side of the second arc-shaped block 8 through a screw, a screw, the top of the conducting rod 11 is provided with a binding post 13, one side of the top of the contact seat 18 is provided with an L-shaped fixing plate 16 through a screw, and a wire post 15 is arranged in the L-shaped fixing plate 16 through a preformed hole.

In this embodiment, as shown in fig. 1, 2 and 3, a threaded hole corresponding to the threaded rod 19 is formed in one side of the contact seat 18 through the threaded rod 19, so that the threaded rod 19 can rotate in the threaded hole to change the position of the second arc-shaped block 8, and the threaded hole has a certain limiting function on the threaded rod under the effect of no external force, thereby facilitating the operation of a person.

Wherein, one end is equipped with U-shaped frame 17 in cavity 10, and fixed plate 9 is located U-shaped frame 17.

In the present embodiment, as shown in fig. 1 and 2, the fixing plate 9 can be limited by the U-shaped frame 17 to prevent the angle from changing.

The periphery of the bottom of the first wiring terminal 13 is provided with a positioning plate 12, the positioning plate 12 is positioned at the top of the cavity 10, and the periphery of the first wiring terminal 13 is provided with an insulating shell 14.

In this embodiment, as shown in fig. 1, the insulating housing 14 can improve safety, and a person can use the positioning plate 12 as a reference to determine whether the moving contact 5 is in contact with the stationary contact 3.

The bottom of the static contact 3 is provided with a second binding post 2, and the second binding post 2 is positioned in the contact seat 18.

In the embodiment, as shown in fig. 1, the contact block 18 is used as an insulator, so that the contact block 18 can play a role in isolating the second binding post 2, and the use safety is ensured.

Wherein, the surface of both sides of the bottom of the contact seat 18 is provided with a fixed threaded hole 1.

In the embodiment, as shown in fig. 1, through the fixing threaded hole 1, a person can fix the assembly at a specified position through the contact seat 18.

It should be noted that the present invention relates to an electrical contact assembly, which comprises a fixing threaded hole 1, a terminal 2, a fixed contact 3, a circular through hole 4, a moving contact 5, an oil pipe 6, an arc block 7, an arc block 8, a fixing plate 9, a cavity 10, a conductive rod 11, a positioning plate 12, a terminal 13, an insulating housing 14, a wire-placing column 15, a fixing plate 16L, a frame 17U, a contact seat 18, a screw rod 19, a sealing plug 20, all of which are all universal standard parts or parts known by those skilled in the art, and the structure and principle of the electrical contact assembly can be known by those skilled in the art or known by conventional experimental methods, and in the spare area of the electrical contact assembly, all of the electrical devices mentioned above are connected by a wire, and the specific connecting means should refer to the following working principles, the detailed connection means is a known technology in the field, the following main introduces the working principle and process, no description is given to the electrical control, when in operation, the first terminal 13 and the second terminal 2 are connected with corresponding conducting wires, next, when needing to be electrified, a person can manually make the conducting rod 11 drive the moving contact 5 to descend through the positioning plate 12, and make the moving contact 5 contact with the static contact 3 to complete the electrification, next, the person can manually rotate the screw rod 19, so that the second arc block 8 is close to the first arc block 7, and then the two can clamp and fix the conducting rod 11, so as to ensure the contact stability of the moving contact 5 and the static contact 3, in this way, the moving contact 5 and the static contact 3 are more tightly connected, the service life is longer, and the service performance is good, next, when lubricant needs to be added, a person can manually take the sealing plug 20 away from the oil pipeline 6, and then the person can manually inject the lubricant into the oil pipeline 6, at this time, the lubricant can pass through the circular through hole 4 under the action of gravity and slide to the top surface of the static contact 3 and the bottom surface of the movable contact 5, the contact surfaces of the contact assembly and the contact assembly are lubricated, the lubrication operation can be directly carried out without disassembling the contact assembly, the workload of personnel is reduced, next step, the personnel can wind the spare wire on the surface of the wire placing column 15, thereby preventing the wire from being disturbed, and when the wire is pulled by external force, the power that its produced can be born by putting terminal 15, can not exert an influence to the wire of connecting terminal 13, and this mode can be to the convenient arrangement of wire to reduce personnel and maintain the degree of difficulty, improve the stability that the wire is connected.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An electrical contact assembly comprising a contact block (18), characterized in that: a cavity (10) is formed in the contact seat (18), a conductive rod (11) is arranged in the cavity (10), a movable contact (5) is installed at the bottom of the conductive rod (11) through a screw, a fixed contact (3) corresponding to the movable contact is arranged at the bottom of the movable contact (5), a circular through hole (4) is formed in one side surface of the top of the movable contact (5), an oil conveying pipe (6) is sleeved in the circular through hole (4), one end of the oil conveying pipe (6) penetrates through the contact seat (18) and is located outside, a sealing plug (20) is sleeved at the oil inlet end of one side of the oil conveying pipe (6), a first arc-shaped block (7) corresponding to the conductive rod (11) is installed at one inner side of the cavity (10) through a screw, a second arc-shaped block (8) corresponding to the conductive rod (11) is arranged at the other side of the cavity (10), and a, and fixed plate (9) one side is through reservation groove and bearing installation screw rod (19), screw rod (19) one end runs through contact seat (18) and is located the outside, conducting rod (11) top is equipped with terminal (13) No. one, screw installation L type fixed plate (16) are passed through to contact seat (18) top one side, and install terminal (15) through the reservation hole in L type fixed plate (16).

2. An electrical contact assembly as in claim 1 wherein: one end in cavity (10) is equipped with U type frame (17), and fixed plate (9) are located U type frame (17).

3. An electrical contact assembly as in claim 1 wherein: a positioning plate (12) is arranged on the periphery of the bottom of the first wiring terminal (13), the positioning plate (12) is located at the top of the cavity (10), and an insulating shell (14) is arranged on the periphery of the first wiring terminal (13).

4. An electrical contact assembly as in claim 1 wherein: and a second binding post (2) is arranged at the bottom of the static contact (3), and the second binding post (2) is positioned in the contact seat (18).

5. An electrical contact assembly as in claim 1 wherein: the surface of two sides of the bottom of the contact seat (18) is provided with a fixed threaded hole (1).