阅读说明：本技术 一种电气自动化用便于拆卸的接触器 (Contactor convenient to detach for electrical automation ) 是由 杨敏 于 2020-11-09 设计创作，主要内容包括：本发明涉及接触器技术领域,且公开了一种电气自动化用便于拆卸的接触器,包括接触器本体,所述接触器本体底部设有底座,所述接触器本体的两侧对称安装有接线块,所述接线块内呈一字型均匀等距的开设有若干个内腔,所述内腔腔底固定连接有铜块,所述内腔腔壁上设有穿线孔和插线孔,所述铜块通过导线与接触器本体电性连接,所述内腔腔壁上对称固定连接有滑槽,所述滑槽内滑动连接有滑块。本发明能够快速将全部的电线拆除,无需逐个旋转拆卸每个螺钉才能将电线全部取出,便于接触器与电线的拆卸和安装,且便于接触器的拆卸和安装。(The invention relates to the technical field of contactors, and discloses a contactor convenient to disassemble and used for electrical automation, which comprises a contactor body, wherein a base is arranged at the bottom of the contactor body, wiring blocks are symmetrically arranged on two sides of the contactor body, a plurality of inner cavities are uniformly arranged in the wiring blocks in a straight shape at equal intervals, the cavity bottom of each inner cavity is fixedly connected with a copper block, a threading hole and a plug wire hole are formed in the cavity wall of each inner cavity, the copper blocks are electrically connected with the contactor body through wires, sliding grooves are symmetrically and fixedly connected on the cavity wall of each inner cavity, and sliding blocks are connected in the sliding grooves in a sliding mode. The invention can rapidly remove all the wires, and the wires can be completely taken out without rotating and disassembling each screw one by one, thereby facilitating the disassembly and the assembly of the contactor and the wires and the disassembly and the assembly of the contactor.)

1. The utility model provides an electric automatization is with contactor convenient to dismantle, includes contactor body (1), its characterized in that, contactor body (1) bottom is equipped with base (2), lug (3) are installed to the bilateral symmetry of contactor body (1), be the even equidistance of style of calligraphy in lug (3) and seted up a plurality of inner chamber (4), inner chamber (4) chamber end fixedly connected with copper billet (5), be equipped with through wires hole and plug wire hole (6) on the inner chamber (4) chamber wall, copper billet (5) are through wire and contactor body (1) electric connection, symmetry fixedly connected with spout (7) on inner chamber (4) chamber wall, sliding connection has slider (8) in spout (7), two slider (8) one end in opposite directions passes corresponding spout (7) notch and extends to inner chamber (4), and is fixedly connected with a pressing cylinder (9), the inner cylinder wall of the pressing cylinder (9) is provided with internal threads, a threaded rod (10) is connected with the inner thread of the pressing cylinder (9), the upper end of the threaded rod (10) is rotationally connected with the cavity wall of the inner cavity (4) through a bearing, a gear (11) is fixedly sleeved on the rod wall of the threaded rod (10), rack grooves (12) and rack holes are symmetrically formed in the cavity wall of the inner cavity (4), a first spring (13) is fixedly connected at the bottom of the rack groove (12), a rack (14) is fixedly connected at the other end of the first spring (13), one end of the rack (14) far away from the contactor body (1) passes through the notch of the rack groove (12), the inner cavity (4) and the rack hole and extends outwards, and is fixedly connected with a pulling plate (15), the gear (11) is meshed with the rack (14), and a through hole is formed in the position, corresponding to the wire inserting hole (6), of the pull plate (15).

2. The contactor convenient to disassemble and assemble for electric automation as claimed in claim 1, wherein the bottom of the junction block (3) is a straight shape and is fixedly connected with a plurality of positioning frames (16) with uniform and equal distance, the upper end of the base (2) is provided with positioning slots (17) matched with the positioning frames (16), the upper end of the base (2) is provided with a movable slot (18), the movable slot (18) is internally connected with a movable plate (19) in a sliding manner, a second spring (20) is fixedly connected between the movable plate (19) and the wall of the movable slot (18) together, the wall of the movable slot (18) is provided with a plurality of jacks communicated with the positioning slots (17), the movable plate (19) is fixedly connected with an insertion rod (21), and the other end of the insertion rod (21) passes through the corresponding jack and the positioning frame (16).

3. An easy-to-detach contactor for electrical automation as claimed in claim 1 characterised in that a U-shaped handle (22) is fixedly attached to the side wall of the pulling plate (15) remote from the contactor body (1).

4. The contactor for the electric automation convenient disassembly as claimed in claim 1, wherein the base (2) is fixedly connected with connection plates (23) symmetrically at two sides, and a plurality of connection holes are arranged on the connection plates (23).

5. The contactor for the electric automation convenient disassembly as claimed in claim 2, wherein the locating slot (17) is provided with a limiting slot (24) on the slot wall close to the contactor body (1), and one end of the inserting rod (21) far away from the second spring (20) passes through the notch of the limiting slot (24) and extends into the limiting slot (24).

6. The contactor with the convenience for disassembly for the electric automation as claimed in claim 1, wherein one end of each of the plurality of racks (14) far away from the contactor body (1) is fixedly connected to the corresponding pulling plate (15).

7. The contactor convenient to disassemble and assemble for the electric automation as claimed in claim 1, comprises a contactor body (1), and is characterized in that a base (2) is arranged at the bottom of the contactor body (1), wiring blocks (3) are symmetrically arranged on two sides of the contactor body (1), a plurality of inner cavities (4) are uniformly arranged in the wiring blocks (3) in a straight shape at equal intervals, copper blocks (5) are fixedly connected to the cavity bottom of the inner cavities (4), threading holes and insertion holes (6) are arranged on the cavity wall of the inner cavities (4), the copper blocks (5) are electrically connected with the contactor body (1) through wires, sliding grooves (7) are symmetrically and fixedly connected to the cavity wall of the inner cavities (4), sliding blocks (8) are slidably connected in the sliding grooves (7), and one opposite ends of the two sliding blocks (8) penetrate through corresponding notches of the sliding grooves (7) and extend into the inner cavities (4), and is fixedly connected with a pressing cylinder (9), the inner cylinder wall of the pressing cylinder (9) is provided with internal threads, a threaded rod (10) is connected with the inner thread of the pressing cylinder (9), the upper end of the threaded rod (10) is rotationally connected with the cavity wall of the inner cavity (4) through a bearing, a gear (11) is fixedly sleeved on the rod wall of the threaded rod (10), rack grooves (12) and rack holes are symmetrically formed in the cavity wall of the inner cavity (4), a first spring (13) is fixedly connected at the bottom of the rack groove (12), a rack (14) is fixedly connected at the other end of the first spring (13), one end of the rack (14) far away from the contactor body (1) passes through the notch of the rack groove (12), the inner cavity (4) and the rack hole and extends outwards, and is fixedly connected with a pulling plate (15), the gear (11) is meshed with the rack (14), a through hole is formed in the position, corresponding to the wire inserting hole (6), of the pull plate (15);

the bottom of the wiring block (3) is uniformly connected with a plurality of positioning frames (16) in a straight shape at equal intervals, the upper end of the base (2) is provided with positioning grooves (17) matched with the positioning frames (16), the upper end of the base (2) is provided with a movable groove (18), the movable groove (18) is connected with a movable plate (19) in a sliding manner, a second spring (20) is fixedly connected between the movable plate (19) and the wall of the movable groove (18) together, the wall of the movable groove (18) is provided with a plurality of jacks communicated with the positioning grooves (17), the movable plate (19) is fixedly connected with an inserting rod (21), and the other end of the inserting rod (21) penetrates through the corresponding jacks and the positioning frames (16);

handle (22) of fixedly connected with U type on the lateral wall of contactor body (1) are kept away from in arm-tie (15), the bilateral symmetry fixedly connected with connecting plate (23) of base (2), be equipped with a plurality of connecting hole on connecting plate (23), spacing groove (24) have been seted up on the cell wall that constant head tank (17) are close to contactor body (1), the one end that second spring (20) were kept away from in inserted bar (21) passes spacing groove (24) notch and extends to spacing groove (24), a plurality of the equal fixed connection of one end that contactor body (1) was kept away from in rack (14) is on arm-tie (15) that corresponds.

Technical Field

The invention relates to the technical field of contactors, in particular to a contactor convenient to disassemble and used for electrical automation.

Background

The contactor is an electric appliance which utilizes a coil to flow current to generate a magnetic field in industrial electricity to close a contact so as to control a load. The wiring blocks on two sides of the contactor are connected with a plurality of wires, and the exposed parts of the wires need to be pressed on the copper blocks by screws.

The conventional patent (publication) No. CN208608110U discloses a reversible contactor convenient to install, wherein a telescopic jacking sheet is arranged at the bottom end of the contactor, the jacking sheet can be directly collected in the using process, the contactor is installed behind a fixed clamping block, the jacking sheet is fixed with the fixed clamping block under the pressure of a spring, a worker does not need to detach other parts on the fixed clamping block, and the working efficiency of the worker is improved;

in the contactor disclosed in the prior patent (publication) No. CN205452175U, a junction box is fixed in a fitting groove of an arc barrier plate, so that the junction box is installed in a wiring groove, and when a customer does not use the junction box, the arc barrier plate fitting groove fixed with the junction box is used for installing the arc barrier plate, thereby increasing the creepage distance of an electric arc and preventing short circuit between phases;

however, the above two solutions still have the following disadvantages:

firstly, two sides of a contactor are connected with a plurality of wires, when the contactor is disassembled and taken out, each screw needs to be rotated and disassembled one by one, the wires can be taken out, and all the wires cannot be taken out quickly;

secondly, the contactor is fixed with the cabinet or other objects through a plurality of screws, so that the contactor is inconvenient to detach and install.

Disclosure of Invention

The invention aims to solve the problems that in the prior art, the contactor can be disassembled only by rotating and disassembling each screw one by one and taking out the electric wire, and the contactor is installed and fixed through the screws, so that the disassembly and the assembly of the contactor are inconvenient, and provides the contactor convenient to disassemble and assemble for electric automation.

In order to achieve the purpose, the invention adopts the following technical scheme:

a contactor convenient to disassemble and used for electric automation comprises a contactor body, wherein a base is arranged at the bottom of the contactor body, wiring blocks are symmetrically arranged on two sides of the contactor body, a plurality of inner cavities are uniformly arranged in the wiring blocks in a straight shape at equal intervals, a copper block is fixedly connected to the bottom of the inner cavity, a threading hole and a wire inserting hole are formed in the wall of the inner cavity, the copper block is electrically connected with the contactor body through a wire, sliding grooves are symmetrically and fixedly connected to the wall of the inner cavity, sliding blocks are slidably connected to the sliding grooves, opposite ends of the two sliding blocks penetrate through corresponding sliding groove notches and extend into the inner cavity, a pressing cylinder is fixedly connected with the sliding blocks together, an inner thread is arranged on the inner cylinder wall of the pressing cylinder, a threaded rod is connected with the inner thread of the pressing cylinder, the upper end of the threaded rod is rotatably connected, rack groove and rack hole have been seted up to the symmetry on the inner chamber wall, the first spring of rack groove tank bottom fixedly connected with, the other end fixedly connected with rack of first spring, the one end that contactor body was kept away from to the rack passes rack groove notch, inner chamber and rack hole and outside extension, and fixedly connected with arm-tie, gear and rack mesh mutually, the position department that the arm-tie corresponds the plug wire hole is equipped with the through-hole.

Preferably, the junction block bottom is a plurality of fixedly connected with locating frame of the even equidistance of style of calligraphy, the base upper end seted up with locating frame assorted constant head tank, the movable slot has been seted up to the base upper end, sliding connection has the fly leaf in the movable slot, common fixedly connected with second spring between fly leaf and the movable slot cell wall, set up the jack that a plurality of and constant head tank are linked together on the movable slot cell wall, fixedly connected with inserted bar on the fly leaf, the other end of inserted bar passes corresponding jack and locating frame.

Preferably, a U-shaped handle is fixedly connected to the side wall of the pulling plate far away from the contactor body.

Preferably, the two sides of the base are symmetrically and fixedly connected with connecting plates, and the connecting plates are provided with a plurality of connecting holes.

Preferably, a limiting groove is formed in the groove wall of the positioning groove close to the contactor body, and one end, far away from the second spring, of the inserted bar penetrates through a notch of the limiting groove and extends into the limiting groove.

Preferably, one end, far away from the contactor body, of each rack is fixedly connected to the corresponding pulling plate.

Compared with the prior art, the invention provides a contactor convenient to disassemble and used for electric automation, which has the following beneficial effects:

1. the contactor convenient to disassemble for electric automation is provided with a contactor body, a junction block, an inner cavity, a copper block, a wire inserting hole, a sliding groove, a sliding block, a pressing cylinder, a threaded rod, a gear, a rack groove, a first spring, a rack and a pulling plate, when the contactor needs to be disassembled and taken out, a plurality of wires need to be disassembled and separated from the junction block, the pulling plate is pulled to drive all racks on the same side to move, the distance between the pressing cylinder and the copper block is increased, all the wires on the same side can be pulled out from the junction block, then another pulling plate is pulled, all the wires on the other side can be pulled out, when the wires are connected and fixed with the contactor body, the wires pass through the wire inserting hole, the exposed parts of the wires are placed on the copper block, the pulling force on the pulling plate is cancelled, the pressing cylinder moves downwards, the wires are pressed on the copper block, all the wires can be rapidly disassembled, and all the wires can be taken out without, the disassembly and the assembly of the contactor and the electric wire are convenient.

2. This contactor convenient to detach for electric automatization, through setting up the locating frame, the constant head tank, the movable groove, the fly leaf, second spring and inserted bar, when dismantling the electric wire, the motion of arm-tie drives the fly leaf motion, make the second spring compressed, the fly leaf drives the inserted bar motion, make the insertion end of inserted bar break away from the locating frame, upwards stimulate contactor body, can dismantle the separation with base and contactor, insert the locating frame in the constant head tank, insert the inserted bar in the locating frame again, realize the fixed mounting of contactor and base, the dismantlement and the installation of the contactor of being convenient for.

The parts which are not involved in the device are the same as or can be realized by adopting the prior art, all the electric wires can be rapidly disassembled, all the electric wires can be taken out without rotating and disassembling each screw one by one, the disassembly and the assembly of the contactor and the electric wires are convenient, and the disassembly and the assembly of the contactor are convenient.

Drawings

Fig. 1 is a schematic structural view of a detachable contactor for electrical automation according to the present invention;

fig. 2 is an enlarged view of a portion a in fig. 1.

In the figure: the contactor comprises a contactor body 1, a base 2, a wiring block 3, an inner cavity 4, a copper block 5, a wiring hole 6, a sliding chute 7, a sliding block 8, a pressing barrel 9, a threaded rod 10, a gear 11, a rack groove 12, a first spring 13, a rack 14, a pulling plate 15, a positioning frame 16, a positioning groove 17, a movable groove 18, a movable plate 19, a second spring 20, an inserting rod 21, a handle 22, a connecting plate 23 and a limiting groove 24.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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, are merely for convenience in describing the present invention and simplifying the 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 thus, should not be construed as limiting the present invention.

Embodiment 1 as shown in fig. 1-2, the contactor for electrical automation convenient disassembly comprises a contactor body 1, a base 2 is arranged at the bottom of the contactor body 1, wiring blocks 3 are symmetrically arranged on two sides of the contactor body 1, a plurality of inner cavities 4 are uniformly arranged in the wiring blocks 3 in a straight shape at equal intervals, copper blocks 5 are fixedly connected to the cavity bottoms of the inner cavities 4, threading holes and inserting holes 6 are arranged on the cavity walls of the inner cavities 4, the copper blocks 5 are electrically connected with the contactor body 1 through wires, sliding grooves 7 are symmetrically and fixedly connected to the cavity walls of the inner cavities 4, sliding blocks 8 are slidably connected to the sliding grooves 7, opposite ends of the two sliding blocks 8 penetrate through corresponding notches of the sliding grooves 7 and extend into the inner cavities 4, a pressing cylinder 9 is fixedly connected together, internal threads are arranged on the inner cylinder wall of the pressing cylinder 9, threaded rods 10 are connected to the internal threads of the pressing cylinder 9, and the, fixed cover on the 10 pole walls of threaded rod has been connected with gear 11, rack groove 12 and rack hole have been seted up to the symmetry on the 4 chamber walls of inner chamber, the first spring 13 of rack groove 12 tank bottom fixedly connected with, the other end fixedly connected with rack 14 of first spring 13, the one end that contactor body 1 was kept away from to rack 14 passes rack groove 12 notch, inner chamber 4 and rack hole and outwards extends, and fixedly connected with arm-tie 15, gear 11 and rack 14 mesh mutually, the position department that arm-tie 15 corresponds wire insertion hole 6 is equipped with the through-hole.

Compared with the reference file, when the contactor needs to be disassembled and taken out, a plurality of wires and the wiring block 3 need to be disassembled and separated firstly, the pulling plate 15 is pulled to drive all the racks 14 on the same side to move, the distance between the pressing cylinder 9 and the copper block 5 is increased, all the wires on the same side can be pulled out of the wiring block 3, when the wires are connected and fixed with the contactor body 1, the wires penetrate through the wire inserting holes 6, the exposed parts of the wires are placed on the copper block 5, the pulling force on the pulling plate 15 is cancelled, the pressing cylinder 9 moves downwards, the exposed parts of the wires are tightly pressed on the copper block 5, all the wires can be rapidly disassembled, all the wires can be taken out without rotating and disassembling each screw one by one, and the disassembly and the assembly of the contactor and the wires are convenient.

Embodiment 2 is as shown in fig. 2 on the basis of embodiment 1, the bottom of the junction block 3 is a plurality of positioning frames 16 of the even equidistant fixedly connected with of a style of calligraphy, the upper end of the base 2 is provided with a positioning groove 17 matched with the positioning frame 16, the upper end of the base 2 is provided with a movable groove 18, the movable groove 18 is internally and slidably connected with a movable plate 19, a second spring 20 is fixedly connected between the movable plate 19 and the movable groove 18, the movable groove 18 is provided with a plurality of jacks communicated with the positioning groove 17, the movable plate 19 is fixedly connected with an inserted link 21, and the other end of the inserted link 21 passes through the corresponding jack and the positioning frame 16.

Compared with the reference file, when the electric wire is disassembled, the movable plate 19 is driven to move by the movement of the pulling plate 15, so that the second spring 20 is compressed, the movable plate 19 drives the insertion rod 21 to move, the insertion end of the insertion rod 21 is separated from the positioning frame 16, the contactor body 1 is pulled upwards, the base 2 and the contactor can be disassembled and separated, the positioning frame 16 is inserted into the positioning groove 17, the insertion rod 21 is inserted into the positioning frame 16, the fixed installation of the contactor and the base 2 is realized, and the disassembly and the installation of the contactor are convenient.

Embodiment 3 on the basis of embodiment 1, as shown in fig. 1-2, a U-shaped handle 22 is fixedly connected to the side wall of the pulling plate 15 away from the contactor body 1, so that the pulling plate 15 is easy to pull for movement.

Embodiment 4 is based on embodiment 1 and is shown in fig. 1, the two sides of the base 2 are symmetrically and fixedly connected with connecting plates 23, and the connecting plates 23 are provided with a plurality of connecting holes, so that the base 2 is fixedly mounted with the cabinet through bolts and nuts.

In embodiment 5, as shown in fig. 2 based on embodiment 2, a limiting groove 24 is formed on a groove wall of the positioning groove 17 close to the contactor body 1, and one end of the insertion rod 21 far from the second spring 20 passes through a notch of the limiting groove 24 and extends into the limiting groove 24, so that the insertion rod 21 fixes the positioning frame 16 more stably.

Embodiment 6 is based on embodiment 1, as shown in fig. 1-2, one end of each of the plurality of racks 14, which is far away from the contactor body 1, is fixedly connected to the corresponding pulling plate 15, so as to facilitate driving the plurality of racks 14 to move at the same time.

Embodiment 7 is as shown in fig. 1-2, the contactor for electrical automation convenient disassembly comprises a contactor body 1, a base 2 is arranged at the bottom of the contactor body 1, wiring blocks 3 are symmetrically arranged on two sides of the contactor body 1, a plurality of inner cavities 4 are uniformly arranged in the wiring blocks 3 in a straight shape at equal intervals, copper blocks 5 are fixedly connected to the cavity bottoms of the inner cavities 4, threading holes and inserting holes 6 are arranged on the cavity walls of the inner cavities 4, the copper blocks 5 are electrically connected with the contactor body 1 through wires, sliding grooves 7 are symmetrically and fixedly connected to the cavity walls of the inner cavities 4, sliding blocks 8 are slidably connected to the sliding grooves 7, opposite ends of the two sliding blocks 8 penetrate through corresponding notches of the sliding grooves 7 and extend into the inner cavities 4, a pressing cylinder 9 is fixedly connected together, internal threads are arranged on the inner cylinder wall of the pressing cylinder 9, threaded rods 10 are connected to the internal threads of the pressing cylinder 9, and, the wall of the threaded rod 10 is fixedly sleeved with a gear 11, the wall of the inner cavity 4 is symmetrically provided with a rack groove 12 and a rack hole, the bottom of the rack groove 12 is fixedly connected with a first spring 13, the other end of the first spring 13 is fixedly connected with a rack 14, one end, far away from the contactor body 1, of the rack 14 penetrates through the notch of the rack groove 12, the inner cavity 4 and the rack hole and extends outwards, a pulling plate 15 is fixedly connected, the gear 11 is meshed with the rack 14, and a through hole is formed in the position, corresponding to the wire inserting hole 6, of the pulling plate 15;

the bottom of the wiring block 3 is uniformly and equidistantly connected with a plurality of positioning frames 16 in a straight shape, the upper end of the base 2 is provided with positioning grooves 17 matched with the positioning frames 16, the upper end of the base 2 is provided with a movable groove 18, the movable groove 18 is internally and slidably connected with a movable plate 19, a second spring 20 is jointly and fixedly connected between the movable plate 19 and the wall of the movable groove 18, the wall of the movable groove 18 is provided with a plurality of jacks communicated with the positioning grooves 17, the movable plate 19 is fixedly connected with an inserting rod 21, and the other end of the inserting rod 21 penetrates through the corresponding jack and the positioning frame 16;

handle 22 of fixedly connected with U type on the lateral wall of contactor body 1 is kept away from to arm-tie 15, and the bilateral symmetry fixedly connected with connecting plate 23 of base 2 is equipped with a plurality of connecting hole on the connecting plate 23, and spacing groove 24 has been seted up on the cell wall that constant head tank 17 is close to contactor body 1, and the one end that second spring 20 was kept away from to inserted bar 21 passes spacing groove 24 notch and extends to spacing groove 24, and the equal fixed connection of one end that contactor body 1 was kept away from to a plurality of rack 14 is on corresponding arm-tie 15.

In the invention, when the contactor needs to be disassembled and taken out, firstly, a plurality of wires need to be disassembled and separated from the wiring block 3, the pulling plate 15 is pulled to drive all racks 14 on the same side to move, so that the first spring 13 is stretched, the racks 14 drive the gear 11 and the threaded rod 10 to rotate forwards, the slide block 8 moves upwards in the sliding chute 7, so that the pressing cylinder 9 moves upwards on the threaded rod 10, the distance between the pressing cylinder 9 and the copper block 5 is increased, all wires on the same side can be pulled out from the wiring block 3, then the other pulling plate 15 is pulled, all wires on the other side can be pulled out, when the wires are connected and fixed with the contactor body 1, the wires pass through the wire inserting hole 6, so that the exposed parts of the wires are placed on the copper block 5, the pulling force on the pulling plate 15 is cancelled, the first spring 13 is recovered, the rack 14 is pulled to move, the gear 11 and the threaded rod 10 rotate backwards, the pressing cylinder 9 moves downwards, all the wires can be rapidly disassembled, and the wires can be completely taken out without rotating and disassembling each screw one by one, so that the contactor and the wires can be conveniently disassembled and assembled; when the electric wire is disassembled, the moving plate 19 is driven to move by the movement of the pulling plate 15, the second spring 20 is compressed, the moving plate 19 drives the inserting rod 21 to move, the inserting end of the inserting rod 21 is separated from the positioning frame 16, the contactor body 1 is pulled upwards, the base 2 and the contactor can be disassembled and separated, the positioning frame 16 is inserted into the positioning groove 17, the inserting rod 21 is inserted into the positioning frame 16, the fixed installation of the contactor and the base 2 is realized, and the disassembly and the installation of the contactor are convenient.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.