CN214043542U

CN214043542U - Connecting structure of contactor

Info

Publication number: CN214043542U
Application number: CN202120158364.8U
Authority: CN
Inventors: 胡国伟; 计新华; 周良; 张红伟; 李辉; 王圳杰
Original assignee: Zhejiang Tengen Electric Co Ltd
Current assignee: Zhejiang Tengen Electric Co Ltd
Priority date: 2021-01-20
Filing date: 2021-01-20
Publication date: 2021-08-24
Anticipated expiration: 2031-01-20

Abstract

The utility model relates to a technical field of contactor, concretely relates to connection structure of contactor, include the base that connects gradually through coupling assembling, arc-extinguish chamber and arc extinguishing apron, coupling assembling includes the spliced pole, taut and joint spare, joint spare is protruding to be located on the global lateral wall of spliced pole, all is equipped with the logical groove that supplies the joint spare to pass on base and the arc-extinguish chamber, and the lateral wall that leads to groove one end is equipped with the constant head tank that supplies joint spare joint, and the lateral wall that leads to groove one end is equipped with and is suitable for the spigot surface with joint spare direction to constant head tank, and the taut joint spare of taut makes joint spare butt spigot surface. The spliced pole is pushed down for the joint spare passes logical groove, makes the spliced pole rotatory certain angle a little, and the taut joint spare of rethread tensioning piece, joint spare butt to the direction inclined plane on, under the combined action of tensioning piece and spigot surface, make the joint spare slide in the constant head tank, realize that coupling assembling installs in place, has avoided the not hard up and drop that coupling assembling installation dislocation leads to.

Description

Connecting structure of contactor

Technical Field

The utility model relates to a technical field of contactor, concretely relates to connection structure of contactor.

Background

In electrical engineering, the contactor can rapidly cut off main alternating current and direct current loops and can frequently switch on and off a large-current control circuit, so the contactor is frequently applied to a motor as a control object, and can also be used for controlling electric loads such as factory equipment, electric heaters, mother machines, various electric power units and the like. The contactor not only can switch on and off the circuit, but also has the function of low-voltage release protection. The contactor has large control capacity, is suitable for frequent operation and remote control, and is one of important elements in an automatic control system.

As shown in fig. 1, the conventional contactor connection structure is also a conventional straight-edge plane, after a connection screw enters, there is no clear indication or measure to ensure that the connection screw is installed in place, and if the connection screw is not installed in a correct position, the screw continuously vibrates and there is a risk of falling off in the use process of the product.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a connection structure of connector, it has the correction function, can correct the connecting screw of installation, makes the connecting screw installation target in place, avoids connecting screw to drop.

In order to realize the above-mentioned purpose, the utility model discloses a technical scheme provide a connection structure of contactor, include base, arc-extinguish chamber and the arc extinguishing apron that connects gradually through coupling assembling, coupling assembling includes spliced pole, taut and joint spare, the joint spare is protruding to be located on the global lateral wall of spliced pole, the base with all be equipped with the confession on the arc extinguishing chamber the logical groove that joint spare passed, the lateral wall that leads to groove one end is equipped with the confession the constant head tank of joint spare joint, the lateral wall that leads to groove one end be equipped with be suitable for with the joint spare direction extremely the spigot of constant head tank, taut joint spare is taut the joint spare makes the joint spare butt the spigot.

Furthermore, the peripheral lateral wall epirelief of spliced pole is equipped with two the joint spare, two the joint spare symmetry sets up.

Furthermore, the joint spare adopts the lug, two the lug symmetry sets up, and the lateral wall of lug is the arc.

Furthermore, the side wall at one end of the through groove is symmetrically provided with the guide surface.

Further, the through groove is perpendicular to the positioning groove.

Further, the clamping piece and the connecting column are integrally formed.

Further, the guide surface is a guide inclined surface.

Furthermore, the tensioning piece adopts a connecting spring, the connecting spring is elastically sleeved on the connecting column, the connecting spring is located between the head of the connecting column and the clamping piece, a blind hole for the connecting spring to enter is formed in one end, away from the positioning groove, of the through groove, after the clamping piece is installed in place, one end of the connecting spring abuts against the bottom end of the blind hole, and the other end of the connecting spring abuts against the head of the connecting column.

The beneficial effects of the utility model reside in that:

1. the spliced pole is pushed down for the joint spare passes logical groove, makes the spliced pole rotatory certain angle a little, and the taut joint spare of rethread tensioning piece, joint spare butt to the direction inclined plane on, under the combined action of tensioning piece and spigot surface, make the joint spare slide in the constant head tank, realize that coupling assembling installs in place, has avoided the not hard up and drop that coupling assembling installation dislocation leads to.

2. The global lateral wall epirelief of spliced pole is equipped with two joint spares, and two joint spares symmetries set up, and the atress is balanced when this kind of structure makes joint spare joint for the more firm of joint spare joint avoids not hard up aversion.

3. The lateral wall symmetry that leads to groove one end is equipped with the spigot surface, and two spigot surfaces lead to the joint spare respectively simultaneously, strengthen the direction effect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described 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 creative efforts.

FIG. 1 is a background art drawing;

fig. 2 is a schematic perspective view of a connection structure of a contactor according to an embodiment of the present invention;

fig. 3 is a schematic perspective view of a base adopted in a connection structure of a contactor according to an embodiment of the present invention;

fig. 4 is a schematic perspective view of an arc extinguishing chamber adopted in a connection structure of a contactor according to an embodiment of the present invention;

fig. 5 is a schematic view illustrating an installation position of a connection structure adopted by a connection structure of a contactor according to an embodiment of the present invention;

fig. 6 is a schematic view of another installation position of a connection structure adopted by a connection structure of a contactor according to an embodiment of the present invention;

fig. 7 is an overall schematic view of a connection assembly adopted by a connection structure of a contactor according to an embodiment of the present invention.

Description of reference numerals:

1. a base; 2. an arc extinguishing chamber; 3. an arc extinguishing cover plate; 4. a connecting assembly; 41. a connecting screw; 42. A clamping piece; 43. a connecting spring; 5. a through groove; 6. positioning a groove; 7. a guide surface; 8. and (4) blind holes.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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 simplification of description, but do 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. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Referring to fig. 1 to 7, the connecting structure of the contactor provided as an embodiment of the present invention includes a base 1, an arc-extinguishing cover 2, and an arc-extinguishing cover plate 3, which are sequentially connected by a connecting assembly 4, the connecting assembly 4 includes a connecting column, a tensioning member, and a clamping member 42, the clamping member 42 is convexly disposed on a circumferential side wall of the connecting column, through grooves 5 for the clamping member 42 to pass through are respectively disposed on the base 1 and the arc-extinguishing cover 2, positioning grooves 6 for the clamping member 42 to be clamped are disposed on a side wall of one end of the through grooves 5, guide surfaces 7 adapted to guide the clamping member 42 to the positioning grooves 6 are disposed on a side wall of one end of the through grooves 5, and the tensioning member tensions the clamping member 42 and makes the clamping member 42 abut against the guide surfaces 7.

Specifically, base 1 and arc-extinguishing chamber 2 are connected through coupling assembling 4, all set up relative logical groove 5 that sets up on base 1 and the arc-extinguishing chamber 2, and the lateral wall that 2 one end of arc-extinguishing chamber was kept away from to logical groove 5 on the base 1 is equipped with spigot surface 7, and spigot surface 7 is two, and the symmetry sets up in the both sides that lead to groove 5, and two spigot surfaces 7 lead to joint piece 42 simultaneously respectively, reinforcing direction effect. The guide surface 7 is a guide inclined surface. The lateral wall of the through groove 5 at the position of the guide surface 7 is provided with a positioning groove 6 for clamping the clamping piece 42, and the through groove 5 is vertical to the positioning groove 6. The tensioning piece adopts connecting spring 43, the spliced pole adopts connecting screw 41, connecting spring 43 elastic sleeve establishes on connecting screw 41, connecting spring 43 is located between connecting screw 41's head and joint spare 42, arc chute 2 keeps away from the one end of base 1 and offers and leads to the corresponding blind hole 8 in groove 5 position, blind hole 8 supplies connecting spring 43 to get into, connecting screw 41 installs the back in place, connecting spring 43 one end butt blind hole 8 bottoms, the head of the other end butt connecting screw 41. The peripheral lateral wall epirelief of connecting screw 41 is equipped with two joint spares 42, and two joint spares 42 symmetry set up, and the atress is balanced when this kind of structure makes joint spare 42 joint for the more firm of joint spare 42 joint avoids not hard up aversion.

Specifically, arc-extinguishing chamber 2 and arc-extinguishing cover plate 3 are connected through coupling assembling 4, all set up relative logical groove 5 that sets up on arc-extinguishing chamber 2 and the arc-extinguishing cover plate 3, the lateral wall that 3 one end was kept away from to logical groove 5 on the arc-extinguishing chamber 2 is equipped with spigot surface 7, spigot surface 7 is two, and the symmetry sets up in the both sides that lead to groove 5, spigot surface 7 adopts the direction inclined plane, 5 lateral walls that lead to the groove of spigot surface 7 department are equipped with the constant head tank 6 that supplies joint 42 joint, lead to groove 5 and the perpendicular setting of constant head tank 6. The tensioning piece adopts connecting spring 43, the spliced pole adopts connecting screw 41, connecting spring 43 elastic sleeve establishes on connecting screw 41, connecting spring 43 is located between connecting screw 41's head and joint spare 42, arc chute 2 keeps away from the one end of base 1 and offers and leads to the corresponding blind hole 8 in groove 5 position, blind hole 8 supplies connecting spring 43 to get into, connecting screw 41 installs the back in place, connecting spring 43 one end butt blind hole 8 bottoms, the head of the other end butt connecting screw 41. The peripheral side wall of connecting screw 41 is equipped with two joint spare 42 on the epirelief, and two joint spare 42 symmetry set up.

When connection base 1 and arc-extinguishing chamber 2, base 1 aligns with logical groove 5 on the arc-extinguishing chamber 2, pushes down connecting screw 41 for connecting screw 41 wears to establish logical groove 5 to connection base 1 from logical groove 5 of 2 one ends of arc-extinguishing chamber, and connecting spring 43 one end butt arc-extinguishing chamber 2 blind hole 8's bottom this moment, and other end butt connecting screw 41's head, connecting spring 43 has the elastic force effect this moment. Make the spliced pole rotatory certain angle a little, the taut joint piece 42 of elasticity of rethread connecting spring 43 for joint piece 42 butt is to the direction inclined plane, under the taut effect of elasticity of connecting spring 43 and the direction combined action of spigot surface 7, makes in joint piece 42 slides in connection base 1's constant head tank 6, realizes that the installation of base 1 and arc-extinguish chamber 2 targets in place, has avoided the installation dislocation to lead to not hard up and drop of connecting screw 41. The installation of the arc chute 2 and the arc chute cover 3 is the same as the installation process described above, and therefore, the detailed description thereof is omitted.

As a variable embodiment, the guide surface 7 may also adopt a guide arc surface. The connecting spring 43 can also be arranged on one side of the connecting screw 41, so that after the connecting screw 41 is installed in place, one end of the connecting spring 43 is abutted against the bottom end of the blind hole 8, and the other end of the connecting spring is abutted against the head of the connecting screw 41. The tensioning piece can also adopt telescopic pieces such as an air cylinder and the like to realize tensioning.

Further, joint spare 42 adopts the lug, and two lugs symmetry sets up, and the lateral wall of lug is the arc, reduces frictional resistance, makes things convenient for connecting screw 41's rotation.

As a variant, the snap-in element 42 can also be a connecting pin.

Further, joint 42 and spliced pole integrated into one piece, the quick installation of coupling assembling 4 of being convenient for.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a connection structure of contactor, includes base (1), arc-extinguishing chamber (2) and arc-extinguishing cover plate (3) that connect gradually through coupling assembling (4), its characterized in that: coupling assembling (4) are including spliced pole, taut and joint spare (42), joint spare (42) protruding locate on the global lateral wall of spliced pole, base (1) with all be equipped with the confession on arc-extinguishing chamber (2) lead to groove (5) that joint spare (42) passed, the lateral wall that leads to groove (5) one end is equipped with the confession constant head tank (6) of joint spare (42) joint, the lateral wall that leads to groove (5) one end is equipped with and is suitable for with joint spare (42) direction extremely guide surface (7) of constant head tank (6), taut joint spare (42) and make joint spare (42) butt guide surface (7).

2. A connecting structure of a contactor according to claim 1, wherein: the peripheral lateral wall epirelief of spliced pole is equipped with two joint spare (42), two joint spare (42) symmetry sets up.

3. A connecting structure of a contactor according to claim 2, wherein: the clamping piece (42) adopts lugs, the lugs are symmetrically arranged, and the outer side wall of each lug is arc-shaped.

4. A connecting structure of a contactor according to claim 2, wherein: the guide surfaces (7) are symmetrically arranged on the side wall of one end of the through groove (5).

5. A contactor connecting structure as claimed in any one of claims 1 to 4, wherein: the through groove (5) and the positioning groove (6) are vertically arranged.

6. A contactor connecting structure as claimed in any one of claims 1 to 4, wherein: the clamping piece (42) and the connecting column are integrally formed.

7. A contactor connecting structure as claimed in any one of claims 1 to 4, wherein: the guide surface (7) adopts a guide inclined surface.

8. A contactor connecting structure as claimed in any one of claims 1 to 4, wherein: the tensioning piece adopts a connecting spring (43), the connecting spring (43) is elastically sleeved on the connecting column, the connecting spring (43) is positioned between the head of the connecting column and the clamping piece (42), one end, far away from the positioning groove (6), of the through groove (5) is provided with a blind hole (8) for the connecting spring (43) to enter, after the clamping piece (42) is installed in place, one end of the connecting spring (43) is abutted to the bottom end of the blind hole (8), and the other end of the connecting spring is abutted to the head of the connecting column.