Contactor base and contactor

Abstract

The utility model belongs to the technical field of contactors, and discloses a contactor base and a contactor. The contactor base comprises a bottom plate, a first mounting seat and a second mounting seat. Wherein a first mounting part and a second mounting part are arranged on the bottom plate; the first mounting seat is detachably mounted on the first mounting part, and the first mounting seat is used for mounting an electromagnetic system of the contactor; and the second mounting seat is detachably mounted on the second mounting part and is used for mounting a circuit structure and / or accessories of the contactor. The contactor base is formed by splicing, so that the strength is ensured, the mold cost can be reduced, and the contactor base is convenient to process, simple in structure and convenient to assemble.

Description

Technical Field

[0001] The utility model relates to the technical field of contactors, in particular to a contactor base and a contactor. Background Art

[0002] A contactor is a non-manually operated mechanical switch that can carry and frequently connect and disconnect current under normal circuit conditions. It is mainly used for industrial control during frequent operations.

[0003] The base of a large contactor is large in size and has high strength requirements, and is generally made of metal or one-piece thermal components. However, the metal base needs to be equipped with insulating protection parts, and the structure and assembly are relatively complex; thermal components have a large size, and the mold and parts costs are high.

[0004] Therefore, it is urgent to provide a contactor base and a contactor to solve the above technical problems. Utility Model Content

[0005] According to one aspect of the utility model, the utility model provides a contactor base, which is assembled and can reduce mold costs while ensuring strength, is easy to process, and has a simple structure and is easy to assemble.

[0006] To achieve this purpose, the utility model adopts the following technical solutions:

[0007] Contactor base, including:

[0008] A bottom plate, wherein a first mounting portion and a second mounting portion are provided on the bottom plate;

[0009] A first mounting seat, detachably mounted on the first mounting portion, the first mounting seat being used to mount an electromagnetic system of a contactor;

[0010] The second mounting seat is detachably mounted on the second mounting portion, and the second mounting seat is used to mount the circuit structure and / or accessories of the contactor.

[0011] Optionally, a plurality of the first mounting seats are provided, and each of the first mounting seats is provided with a corresponding first mounting portion.

[0012] Optionally, a plurality of the first mounting seats are arranged in sequence, a fixing groove is provided on one side of the first mounting seat, and a connecting rib is provided on the other side, the connecting rib is arranged opposite to the fixing groove, and among two adjacent first mounting seats, the connecting rib of one first mounting seat is inserted into the fixing groove of the other first mounting seat.

[0013] Optionally, two second mounting seats are provided, and the two second mounting seats are symmetrically arranged on both sides of the first mounting seat, and each second mounting seat is correspondingly provided with a second mounting portion.

[0014] Optionally, an elastic buckle is provided on a side of the second mounting seat close to the first mounting seat, and a clamping portion is provided on a side of the first mounting seat close to the second mounting seat, and the clamping portion is clamped with the elastic buckle.

[0015] Optionally, the base plate is made of metal, and the first mounting seat and the second mounting seat are made of plastic.

[0016] Optionally, the first mounting portion includes a first connecting hole, the first mounting seat is provided with a second connecting hole, and the first connecting member fixes the first mounting seat to the bottom plate through the first connecting hole and the second connecting hole;

[0017] And / or, the second mounting portion includes a third connecting hole, the second mounting seat is provided with a fourth connecting hole, and the second connecting member fixes the second mounting seat to the base plate through the third connecting hole and the fourth connecting hole.

[0018] Optionally, the first mounting portion includes a first limiting hole, and the bottom of the first mounting seat is provided with two oppositely arranged first limiting walls, and the first mounting seat is clamped in the first limiting hole through the two first limiting walls.

[0019] Optionally, a plurality of guiding oblique ribs are provided on one side of the first limiting wall close to the inner wall of the first limiting hole, and the plurality of guiding oblique ribs are arranged at intervals along the length direction of the first limiting wall. The inclined surface of the guiding oblique ribs is pressed against the inner wall of the first limiting hole corresponding thereto, and the inclined surface is used to guide the installation of the first mounting seat.

[0020] Optionally, the second mounting portion includes a mounting boss, and the bottom of the second mounting seat is provided with two second limiting walls which are oppositely arranged, and the mounting boss is clamped between the two second limiting walls.

[0021] Optionally, a second limiting hole is provided on the mounting boss, and a limiting convex rib is provided on the second limiting wall, and the limiting convex rib is inserted into the second limiting hole.

[0022] According to another aspect of the utility model, the utility model also provides a contactor, comprising an electromagnetic system, a circuit structure, accessories and a contactor base described in any of the above technical solutions, wherein the electromagnetic system is installed in a first mounting seat of the contactor base, and the circuit structure and / or the accessories are installed in a second mounting seat of the contactor base.

[0023] Beneficial effects of the utility model:

[0024] The utility model provides a contactor base, including a base plate, a first mounting seat and a second mounting seat. The first mounting seat and the second mounting seat can be detachably mounted on the base plate, the first mounting seat is used to install the electromagnetic system, and the second mounting seat is used to install the circuit structure and / or accessories. That is, the contactor base is spliced ​​by the base plate, the first mounting seat and the second mounting seat, rather than an integrated structure. Therefore, the first mounting seat and the second mounting seat can be processed by respective molds. Compared with the integrally formed contactor base in the prior art, the mold cost and processing difficulty are lower. In addition, the structure is simple, the number of parts is small, it is easy to assemble, and the cost of parts is also low.

[0025] The utility model also provides a contactor, comprising an electromagnetic system, a circuit structure, accessories and the above-mentioned contactor base. As the contactor adopts the above-mentioned contactor base, the mold cost and the parts cost are both low. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments of the present invention. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the contents of the embodiments of the present invention and these drawings without paying any creative work.

[0027] Figure 1 It is a structural schematic diagram of a contactor base from a perspective provided by an embodiment of the utility model;

[0028] Figure 2 It is an exploded schematic diagram of a contactor base provided by an embodiment of the utility model;

[0029] Figure 3 It is a structural schematic diagram of a first mounting base at a viewing angle provided by an embodiment of the utility model;

[0030] Figure 4 yes Figure 1 The enlarged view of point A in the middle;

[0031] Figure 5 It is a structural schematic diagram of the second mounting base at a viewing angle provided by an embodiment of the utility model;

[0032] Figure 6 yes Figure 1 The enlarged view of point B in the middle;

[0033] Figure 7 It is a structural schematic diagram of the bottom plate provided by an embodiment of the utility model;

[0034] Figure 8 is a structural schematic diagram of the first mounting base provided by an embodiment of the utility model from another perspective;

[0035] Fig. 9 is a structural schematic diagram of a second mounting base from another perspective provided by an embodiment of the utility model;

[0036] Fig.10 It is a structural schematic diagram of the contactor base from another perspective provided by an embodiment of the utility model.

[0037] In the figure:

[0038] 100, bottom plate; 110, first connection hole; 120, third connection hole; 130, first limiting hole; 140, mounting boss; 150, second limiting hole;

[0039] 200, first mounting seat; 210, fixing groove; 220, connecting convex rib; 230, clamping portion; 240, second connecting hole; 250, first limiting wall; 251, guiding oblique rib;

[0040] 300, second mounting seat; 310, elastic buckle; 320, fourth connecting hole; 330, second limiting wall; 340, limiting convex rib. DETAILED DESCRIPTION

[0041] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only the parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0042] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0043] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0044] In the description of this embodiment, the terms "upper", "lower", "left", "right" and other directions or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for the convenience of description and simplified operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0045] The present embodiment provides a contactor base, which is assembled and can reduce mold costs while ensuring strength, is easy to process, and has a simple structure and is easy to assemble.

[0046] Specifically, Figure 1 and Figure 2 As shown, the contactor base includes a base plate 100, a first mounting seat 200 and a second mounting seat 300. The base plate 100 is provided with a first mounting portion and a second mounting portion. The first mounting seat 200 is detachably mounted on the first mounting portion, and the first mounting seat 200 is used to mount the electromagnetic system of the contactor. The second mounting seat 300 is detachably mounted on the second mounting portion, and the second mounting seat 300 is used to mount the circuit structure and / or accessories of the contactor.

[0047] The contactor base is formed by splicing the bottom plate 100, the first mounting seat 200 and the second mounting seat 300, rather than an integrated structure. Therefore, the first mounting seat 200 and the second mounting seat 300 can be processed by respective molds. Compared with the integrated contactor base in the prior art, the mold cost and processing difficulty are lower. In addition, the structure is simple, the number of parts is small, the assembly is convenient, and the parts cost is also low.

[0048] Optionally, the base plate 100 is made of metal, and the first mounting seat 200 and the second mounting seat 300 are made of plastic. In this way, the strength of the contactor base can be ensured by the base plate 100 made of metal, and the insulation performance of the plastic material can be utilized, so that no additional insulation protection parts are required, the cost of parts and the difficulty of assembly are low, and the plastic material also has a certain elastic deformation ability, which can play a role in shock absorption.

[0049] Furthermore, the first mounting seat 200 and the second mounting seat 300 can be integrally formed by injection molding, which is convenient for processing.

[0050] Further, see Figure 1 and Figure 2 For a large contactor, two or even more electromagnetic systems are generally provided. Therefore, a plurality of first mounting seats 200 may be provided to meet the installation requirements of a plurality of electromagnetic systems, and each first mounting seat 200 corresponds to a first mounting portion.

[0051] Optionally, the number of the first mounting bases 200 may be two, three, four, etc., which can be set according to actual needs and is not specifically limited in this application.

[0052] In this embodiment, two first mounting seats 200 are provided.

[0053] Furthermore, if Figure 1 , Figure 3 and Figure 4 As shown, a plurality of first mounting seats 200 are arranged in sequence. In this way, the first mounting seats 200 can be centrally arranged to facilitate the subsequent assembly of the electromagnetic system.

[0054] In addition, a fixing groove 210 is provided on one side of the first mounting seat 200, and a connecting rib 220 is provided on the other side. The connecting rib 220 is arranged opposite to the fixing groove 210. Among two adjacent first mounting seats 200, the connecting rib 220 of one first mounting seat 200 is inserted into the fixing groove 210 of the other first mounting seat 200. Through the cooperation between the fixing groove 210 and the connecting rib 220, the two adjacent first mounting seats 200 can be fixed, thereby improving the structural stability of the contactor base.

[0055] Optionally, the number of fixing grooves 210 provided on one side of the first mounting seat 200 may be one, two, three, etc., according to actual needs, and is not specifically limited in this application. A connecting rib 220 is provided corresponding to each fixing groove 210 .

[0056] In this embodiment, two fixing grooves 210 are provided, and the two fixing grooves 210 are arranged at both ends of the length direction of one side of the first mounting seat 200. Correspondingly, two connecting ribs 220 are also provided, and the two connecting ribs 220 are arranged at both ends of the length direction of the other side of the first mounting seat 200.

[0057] Optionally, in this embodiment, the fixing groove 210 and the connecting rib 220 both extend in the height direction of the first mounting seat 200. During assembly, the connecting rib 220 can be inserted into the fixing groove 210 through the upper opening and the side opening of the fixing groove 210, and then the first mounting seat 200 is pressed down, and the connecting rib 220 will slide in the fixing groove 210 until the first mounting seat 200 contacts the bottom plate 100.

[0058] Further, see Figure 1 and Figure 2 There are two second mounting seats 300, which are symmetrically arranged on both sides of the first mounting seat 200, and each second mounting seat 300 is correspondingly provided with a second mounting portion. The two second mounting seats 300 are provided to meet various needs of customers. During assembly, the two second mounting seats 300 can be used one by one or at the same time. By symmetrically arranging the two second mounting seats 300 on both sides of the first mounting seat 200, it can not only play the role of clamping and fixing the first mounting seat 200, but also improve the aesthetics.

[0059] Alternatively, if Figure 3 , Figure 5 and Figure 6 As shown, a side of the second mounting seat 300 close to the first mounting seat 200 is provided with an elastic buckle 310, and a side of the first mounting seat 200 close to the second mounting seat 300 is provided with a clamping portion 230, and the clamping portion 230 is clamped with the elastic buckle 310. Through the cooperation of the clamping portion 230 and the elastic buckle 310, the first mounting seat 200 and the second mounting seat 300 can be connected and fixed, thereby improving the structural stability of the above-mentioned contactor base.

[0060] Optionally, the number of the elastic buckles 310 can be one, two, three, etc., according to actual needs, and is not specifically limited in this application. Each elastic buckle 310 corresponds to a clamping portion 230.

[0061] In this embodiment, two elastic buckles 310 are provided, and the two elastic buckles 310 are arranged at both ends of the second mounting seat 300 near the first mounting seat 200. Correspondingly, two clamping parts 230 are also provided, and the two clamping parts 230 are arranged at both ends of the first mounting seat 200 near the second mounting seat 300.

[0062] Optionally, continue to see Figure 3In this embodiment, the clamping portion 230 is a plate-shaped structure, which can be a part of the side plate of the first mounting seat 200. In other embodiments, the structure of the clamping portion 230 can also be set to other structures according to actual needs, and this application does not make specific limitations.

[0063] Furthermore, if Figure 7 and Figure 8 As shown, in a possible embodiment, the first mounting portion includes a first connection hole 110, the first mounting seat 200 is provided with a second connection hole 240, and the first connecting member (not shown in the figure) fixes the first mounting seat 200 to the bottom plate 100 through the first connection hole 110 and the second connection hole 240. Such a configuration facilitates the installation and removal of the first mounting seat 200, and the connection strength between the first mounting seat 200 and the bottom plate 100 is high.

[0064] Optionally, the first connecting member may be a bolt and nut assembly.

[0065] Optionally, a plurality of first connection holes 110 and a plurality of second connection holes 240 can be provided, and the second connection holes 240 and the first connection holes 110 are provided one by one to form a plurality of first hole pairs, and each first hole pair corresponds to a first connection member. Such a configuration can further improve the connection strength between the first mounting seat 200 and the base plate 100.

[0066] In this embodiment, four first connection holes 110 are provided, and four second connection holes 240 are also provided. The four second connection holes 240 are provided at four corners of the first mounting seat 200 .

[0067] Furthermore, if Figure 7 and Fig. 9 As shown, in another possible embodiment, the second mounting portion includes a third connection hole 120, a fourth connection hole 320 is provided on the second mounting seat 300, and a second connecting member (not shown in the figure) fixes the second mounting seat 300 to the bottom plate 100 through the third connection hole 120 and the fourth connection hole 320. Such a configuration facilitates the installation and removal of the second mounting seat 300, and the connection strength between the second mounting seat 300 and the bottom plate 100 is high.

[0068] Optionally, the second connecting member may be a bolt and nut assembly.

[0069] Optionally, a plurality of third connection holes 120 and a plurality of fourth connection holes 320 may be provided, and the fourth connection holes 320 and the third connection holes 120 are provided one by one to form a plurality of second hole pairs, and each second hole pair corresponds to a second connection member. Such a configuration can further improve the connection strength between the second mounting seat 300 and the base plate 100.

[0070] In this embodiment, four third connection holes 120 are provided, and four fourth connection holes 320 are also provided. The four fourth connection holes 320 are provided at four corners of the second mounting seat 300 .

[0071] Optionally, in this embodiment, the first mounting portion includes a first connection hole 110, the first mounting seat 200 is provided with a second connection hole 240, and the first connecting member fixes the first mounting seat 200 to the bottom plate 100 through the first connection hole 110 and the second connection hole 240. In addition, the second mounting portion includes a third connection hole 120, the second mounting seat 300 is provided with a fourth connection hole 320, and the second connecting member fixes the second mounting seat 300 to the bottom plate 100 through the third connection hole 120 and the fourth connection hole 320.

[0072] Furthermore, if Figure 7 , Figure 8 and Fig.10 As shown, the first mounting portion includes a first limiting hole 130, and two first limiting walls 250 are arranged opposite to each other at the bottom of the first mounting seat 200. The first mounting seat 200 is clamped in the first limiting hole 130 through the two first limiting walls 250. The first mounting seat 200 is fixed by the cooperation between the first limiting wall 250 and the first limiting hole 130, which has a simple structure and is convenient for installation and disassembly.

[0073] Optionally, continue to see Figure 8 and Fig.10 A plurality of oblique guiding ribs 251 are provided on one side of the inner wall of the first limiting wall 250 close to the first limiting hole 130. The plurality of oblique guiding ribs 251 are arranged at intervals along the length direction of the first limiting wall 250. The inclined surfaces of the oblique guiding ribs 251 are pressed against the inner wall of the first limiting hole 130 corresponding thereto, and the inclined surfaces are used to guide the installation of the first mounting seat 200. By providing the oblique guiding ribs 251, on the one hand, the strength of the first limiting wall 250 can be improved, thereby improving the reliability of the connection between the first mounting seat 200 and the bottom plate 100; on the other hand, the installation between the first mounting seat 200 and the first limiting hole 130 can be guided, which is conducive to reducing the installation difficulty of the first mounting seat 200 and improving the installation efficiency of the first mounting seat 200.

[0074] Further, see Figure 7 and Fig. 9 The second mounting portion includes a mounting boss 140, and two second limiting walls 330 are arranged opposite to each other at the bottom of the second mounting seat 300. The mounting boss 140 is clamped between the two second limiting walls 330. The second mounting seat 300 is fixed by the clamping fit between the mounting boss 140 and the second limiting wall 330, which has a simple structure and is convenient for installation and removal of the second mounting seat 300.

[0075] Further, see Fig. 9 and Fig.10 The mounting boss 140 is provided with a second limiting hole 150, and the second limiting wall 330 is provided with a limiting rib 340, which is inserted into the second limiting hole 150. The second limiting hole 150 and the limiting rib 340 cooperate to further improve the connection strength between the second mounting seat 300 and the mounting boss 140. In addition, the second mounting seat 300 can also be limited.

[0076] Optionally, in this embodiment, each second limiting wall 330 is provided with a limiting convex rib 340. Of course, in other embodiments, the limiting convex rib 340 may be arranged in other ways, for example, only one of the second limiting walls 330 is provided with a limiting convex rib 340, or each second limiting wall 330 is provided with a plurality of limiting convex ribs 340, etc., which can be arranged according to actual needs, and this application does not make specific limitations.

[0077] Optionally, the bottom plate 100 may be integrally formed by stamping to facilitate processing.

[0078] This embodiment also provides a contactor, including an electromagnetic system, a circuit structure, accessories and the above-mentioned contactor base, the electromagnetic system is installed in the first mounting seat 200 of the contactor base, and the circuit structure and / or accessories are installed in the second mounting seat 300 of the contactor base.

[0079] Since the contactor adopts the contactor base, the mold cost and the parts cost are both low.

[0080] Obviously, the above embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, various obvious changes, readjustments and substitutions can be made without departing from the scope of protection of the present invention. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the scope of protection of the claims of the present invention.

Claims

1. Contactor base, characterized in that: include: A bottom plate (100), wherein a first mounting portion and a second mounting portion are provided on the bottom plate (100); A first mounting seat (200) is detachably mounted on the first mounting portion, and the first mounting seat (200) is used to mount an electromagnetic system of a contactor; The second mounting seat (300) is detachably mounted on the second mounting portion, and the second mounting seat (300) is used to mount the circuit structure and / or accessories of the contactor.

2. The contactor base according to claim 1, characterized in that: A plurality of the first mounting seats (200) are provided, and each first mounting seat (200) is correspondingly provided with a first mounting portion.

3. The contactor base according to claim 2, characterized in that: A plurality of first mounting seats (200) are arranged in sequence, one side of the first mounting seat (200) is provided with a fixing groove (210), and the other side is provided with a connecting rib (220), the connecting rib (220) is arranged opposite to the fixing groove (210), and among two adjacent first mounting seats (200), the connecting rib (220) of one first mounting seat (200) is inserted into the fixing groove (210) of the other first mounting seat (200).

4. The contactor base according to claim 1, characterized in that: Two second mounting seats (300) are provided, and the two second mounting seats (300) are symmetrically arranged on both sides of the first mounting seat (200), and each second mounting seat (300) is correspondingly provided with a second mounting portion.

5. The contactor base according to claim 1, characterized in that: A side of the second mounting seat (300) close to the first mounting seat (200) is provided with an elastic buckle (310), and a side of the first mounting seat (200) close to the second mounting seat (300) is provided with a clamping portion (230), and the clamping portion (230) is clamped with the elastic buckle (310).

6. The contactor base according to claim 1, characterized in that: The base plate (100) is made of metal material, and the first mounting seat (200) and the second mounting seat (300) are made of plastic material.

7. The contactor base according to claim 1, characterized in that: The first mounting portion comprises a first connecting hole (110), the first mounting seat (200) is provided with a second connecting hole (240), and the first connecting member fixes the first mounting seat (200) to the bottom plate (100) via the first connecting hole (110) and the second connecting hole (240); And / or, the second mounting portion includes a third connecting hole (120), the second mounting seat (300) is provided with a fourth connecting hole (320), and the second connecting member fixes the second mounting seat (300) to the base plate (100) via the third connecting hole (120) and the fourth connecting hole (320).

8. The contactor base according to any one of claims 1 to 7, characterized in that: The first mounting portion comprises a first limiting hole (130), and the bottom of the first mounting seat (200) is provided with two first limiting walls (250) arranged opposite to each other, and the first mounting seat (200) is clamped in the first limiting hole (130) via the two first limiting walls (250).

9. The contactor base according to claim 8, characterized in that: A plurality of oblique guiding ribs (251) are provided on one side of the inner wall of the first limiting wall (250) close to the first limiting hole (130), and the plurality of oblique guiding ribs (251) are arranged at intervals along the length direction of the first limiting wall (250). The inclined surface of the oblique guiding rib (251) is pressed against the inner wall of the first limiting hole (130) corresponding thereto, and the inclined surface is used to guide the installation of the first mounting seat (200).

10. The contactor base according to any one of claims 1 to 7, characterized in that: The second mounting portion comprises a mounting boss (140), and the bottom of the second mounting seat (300) is provided with two second limiting walls (330) arranged opposite to each other, and the mounting boss (140) is clamped between the two second limiting walls (330).

11. The contactor base according to claim 10, characterized in that: The mounting boss (140) is provided with a second limiting hole (150), the second limiting wall (330) is provided with a limiting convex rib (340), and the limiting convex rib (340) is plugged into the second limiting hole (150).

12. A contactor, characterized in that The invention comprises an electromagnetic system, a circuit structure, accessories and a contactor base according to any one of claims 1 to 11, wherein the electromagnetic system is installed in a first mounting seat (200) of the contactor base, and the circuit structure and / or the accessories are installed in a second mounting seat (300) of the contactor base.

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