DC contactor installation structure
By designing contactor anti-vibration components and insulated sliding blocks, the problems of loosening and poor contact caused by vibration in DC contactors are solved, achieving higher stability and safety and ensuring the normal operation of the circuit.
Patent Information
- Application Number
- CN202423211811.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-25
AI Technical Summary
Existing DC contactors vibrate during operation due to current switching or mechanical action, which can cause internal components to loosen or make poor contact, affecting circuit stability and safety.
The design employs contactor anti-vibration components and insulating sliding blocks. The contactor is fixed to the insulating block through components such as hollow connecting rods, sliding rings, insulating sliding blocks, and No. 2 sliding blocks, which isolates the vibration source, reduces the impact of vibration, and improves reliability by utilizing the insulation properties of glass fiber reinforced plastic.
It effectively avoids contactor loosening and poor contact caused by vibration, improves service life and operational stability, ensures normal system operation, and reduces electrical faults and safety hazards.
Smart Images
Figure CN223582896U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a direct current contactor technical field, concretely is a direct current contactor mounting structure. BACKGROUND
[0002] The working principle of the direct current contactor is similar to that of the alternating current contactor, and the magnetic field generated by the electromagnet attracts or releases the contact point, thereby controlling the circulation of the current. When the control current is passed in the coil of the contactor, the electromagnet will generate a magnetic field to attract the contact point to the closed state, and the current in the circuit will circulate; when the current in the coil stops or reverses, the magnetic field disappears, the contact point is released, and the circuit is disconnected, and the mounting structure of the direct current contactor usually includes a direct current contactor body, a mounting base, a wiring terminal, and possible fixing supports and protective covers and the like components, the direct current contactor is used for controlling the current flow in the circuit, especially in the direct current circuit, and the design of the mounting structure is related to the safety, stability and reliability of the contactor.
[0003] The existing contactor will produce certain vibration in the working process due to the switching of the current or mechanical action, which may cause the internal parts of the contactor to loosen or contact badly, thereby causing the current to be unstable, and further affecting the work of the entire circuit. In view of the above problems, the inventor puts forward a kind of direct current contactor mounting structure for solving the above problems. UTILITY MODEL CONTENTS
[0004] In order to solve the problem that the existing contactor will produce certain vibration in the working process due to the switching of the current or mechanical action, which may cause the internal parts of the contactor to loosen or contact badly, thereby causing the current to be unstable, and further affecting the work of the entire circuit; the purpose of the utility model is to provide a kind of direct current contactor mounting structure, by setting contactor shockproof assembly, can avoid the vibration of contactor in working, cause the loosening of contactor, and by designing insulating sliding block, can fix contactor on insulating block, avoid the contact of contactor and control cabinet, fix contactor on insulating block, can effectively isolate vibration source, reduce the influence of vibration on contactor.
[0005] In order to solve the above technical problems, the utility model adopts the following technical scheme: a kind of direct current contactor mounting structure, including sliding base, direct current contactor body and installation fixed block, the installation fixed block is fixedly installed at the outside of the sliding base, the direct current contactor body is fixedly installed at the outside of the installation fixed block, the installation fixed block is fixedly connected with the direct current contactor body, installation fixed block exterior fixedly installs contactor shockproof assembly, the contactor shockproof assembly includes hollow connecting rod, sliding ring, insulating sliding block and second sliding block.
[0006] Preferably, a main contact head is fixedly installed outside the DC contactor body, a second fixing block is fixedly installed outside the DC contactor body, a second screw is rotatably connected outside the second fixing block, and the insulating sliding block is slidably arranged outside the DC contactor body and is threadedly connected with the second screw.
[0007] Preferably, a threaded annular block is fixedly installed outside the mounting fixing block, a sealing cover plate is rotatably connected outside the mounting fixing block, the sealing cover plate is threadedly connected with the threaded annular block, and the sealing cover plate is slidably connected with the DC contactor body.
[0008] Preferably, a fixing screw is rotatably connected outside the mounting fixing block, the hollow connecting rod is fixedly installed outside the mounting fixing block, the fixing screw is threadedly connected with the hollow connecting rod, a first threaded rod is fixedly installed outside the hollow connecting rod, a second sliding block is fixedly installed outside the insulating sliding block, the second sliding block is slidably connected with the hollow connecting rod, the sliding base is slidably arranged outside the hollow connecting rod, a fixing nut is rotatably connected outside the sliding base, and the fixing nut is threadedly connected with the first threaded rod.
[0009] Preferably, a supporting sliding block is fixedly installed outside the sliding base and is attached to the mounting fixing block, a sliding annular block is fixedly installed outside the sliding base, a sliding groove is formed in the outer wall of the insulating sliding block, and the sliding annular block is slidably arranged in the sliding groove.
[0010] Preferably, a first spring is fixedly installed outside the insulating sliding block, and one end of the first spring, which is away from the insulating sliding block, is fixedly connected with the inner wall of the sliding annular block.
[0011] Preferably, the insulating sliding block is made of glass fiber reinforced plastic, the glass fiber reinforced plastic has good mechanical strength and excellent electrical insulation performance, and the reliability of the device can be greatly improved.
[0012] Preferably, the hollow connecting rod and the second sliding block are both two groups and are symmetrically distributed.
[0013] Compared with the prior art, the utility model has the advantages that:
[0014] 1、The utility model discloses a contactor shockproof assembly is arranged, can avoid the vibration of contactor when working and causes the loosening of contactor, and the shockproof assembly helps to improve the service life and working stability of contactor, and the loosening of contactor can cause the poor contact, and further causes the electrical equipment failure or security hidden danger, and the shockproof assembly can ensure that contactor still can work stably in high frequency switching operation, guarantees the normal operation of system.
[0015] 2、The utility model discloses a through design insulation sliding block, can contactor fixed on insulation block, avoided contactor with control cabinet contact, contactor fixed on insulation block, can effectively isolate vibration source, reduce the influence of vibration to contactor, ensure that contactor stable work, utilize insulation block can also when the failure, prevent contactor accidental current leakage or electric shock, guarantee the safety of operating personnel, when short circuit, overload or other electrical fault, insulation block can effectively prevent the current through the shell of contactor conduction to control cabinet metal outside, reduce the electric shock danger. BRIEF DESCRIPTION OF DRAWINGS
[0016] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, below will to the drawing needed to use in the embodiment or prior art description simple introduction, obviously, the drawing in the following description only some embodiments of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying creative labor, can also obtain other drawings according to these drawings.
[0017] Figure 1 It is the overall structure schematic diagram of the utility model.
[0018] Figure 2 It is the main structure schematic diagram of direct current contactor of the utility model.
[0019] Figure 3 It is the structure section view of sliding base of the utility model.
[0020] Figure 4 It is the structure schematic diagram of sliding base of the utility model.
[0021] Figure 5 It is the main structure schematic diagram of direct current contactor of the utility model Figure 3 It is the enlarged schematic diagram of structure A of the utility model.
[0022] In the drawing: 1, sliding base;101, fixed nut;102, hollow connecting rod;103, sliding ring;104, support sliding block;105, No. 1 threaded rod;2, direct current contactor main body;201, No. 2 screw;202, No. 2 fixed block;203, sliding groove;204, No. 1 spring;205, main contact head;3, installation fixed block;301, sealing cover plate;302, threaded ring block;303, fixed screw;304, No. 2 sliding block;305, insulation sliding block. DETAILED DESCRIPTION
[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0024] Example: Figures 1-5 As shown, this utility model provides a DC contactor mounting structure, including a sliding base 1, a DC contactor body 2, and a mounting block 3. The mounting block 3 is fixedly installed on the outside of the sliding base 1, and the DC contactor body 2 is fixedly installed on the outside of the mounting block 3. The mounting block 3 is fixedly connected to the DC contactor body 2. A contactor anti-vibration component is fixedly installed on the outside of the mounting block 3. The contactor anti-vibration component includes a hollow connecting rod 102, a sliding ring 103, an insulating sliding block 305, and a second sliding block 304.
[0025] The main contact head 205 is fixedly installed on the outside of the DC contactor body 2. The second fixing block 202 is fixedly installed on the outside of the DC contactor body 2. The second fixing block 202 is rotatably connected to the second screw 201. The insulating sliding block 305 slides on the outside of the DC contactor body 2. The second screw 201 is threadedly connected to the insulating sliding block 305.
[0026] By adopting the above technical solution, the DC contactor body 2 and the insulating sliding block 305 can be fixedly connected by threading the No. 2 screw 201 to the insulating sliding block 305.
[0027] The mounting block 3 is externally fixed with a threaded ring block 302. The mounting block 3 is externally rotatably connected with a sealing cover plate 301. The sealing cover plate 301 is threadedly connected to the threaded ring block 302, and the sealing cover plate 301 is slidably connected to the DC contactor body 2.
[0028] By adopting the above technical solution, the sealing cover 301 and the threaded ring block 302 are threadedly connected, and the sealing cover 301 is slidably connected to the DC contactor body 2, so that the fixed position of the DC contactor body 2 can be sealed and protected by the sealing cover 301.
[0029] The fixing screw 303 is rotationally connected outside the mounting fixed block 3, the hollow connecting rod 102 is fixedly installed outside the mounting fixed block 3, the fixing screw 303 is in threaded connection with the hollow connecting rod 102, the hollow connecting rod 102 is fixedly installed outside with the first threaded rod 105, the second sliding block 304 is fixedly installed outside the insulating sliding block 305, the second sliding block 304 is in sliding connection with the hollow connecting rod 102, the sliding base 1 slides outside the hollow connecting rod 102, the fixing nut 101 is rotationally connected outside the sliding base 1, and the fixing nut 101 is in threaded connection with the first threaded rod 105.
[0030] By adopting the above technical scheme, the supporting sliding block 104 is fixedly connected with the mounting fixed block 3 through the threaded connection of the fixing nut 101 and the first threaded rod 105, the sliding base 1 and the mounting fixed block 3 are supported by the supporting sliding block 104, and the inner wall of the 304104 slides.
[0031] The supporting sliding block 104 is fixedly installed outside the sliding base 1 and is attached to the mounting fixed block 3, the sliding ring 103 is fixedly installed outside the sliding base 1, the sliding groove 203 is formed outside the insulating sliding block 305, and the sliding ring 103 slides on the inner wall of the sliding groove 203.
[0032] By adopting the above technical scheme, the first spring 204 is protected by the sliding of the sliding ring 103 on the inner wall of the sliding groove 203.
[0033] The first spring 204 is fixedly installed outside the insulating sliding block 305, and one end, away from the insulating sliding block 305, of the first spring 204 is fixedly connected with the inner wall of the sliding ring 103.
[0034] By adopting the above technical scheme, the insulating sliding block 305 is reset by the first spring 204 through the fixed connection of one end, away from the insulating sliding block 305, of the first spring 204 with the inner wall of the sliding ring 103.
[0035] The material of the insulating sliding block 305 is glass fiber reinforced plastic.
[0036] By adopting the above technical scheme, the material of the insulating sliding block 305 is glass fiber reinforced plastic, and the good mechanical strength and excellent electrical insulation performance of the glass fiber reinforced plastic can greatly improve the reliability of the device.
[0037] The hollow connecting rod 102 and the second sliding block 304 are both two groups and are symmetrically distributed.
[0038] By adopting the above technical scheme, the stability of the device can be improved by the hollow connecting rod 102 and the second sliding block 304 being both two groups and being symmetrically distributed.
[0039] Working principle: when a DC contactor installation structure is needed, the DC contactor body 2 is placed outside the insulating sliding block 305, and the second screw 201 is turned to fix the DC contactor body 2 and the insulating sliding block 305, further, the fixing screw 303 is used to fix the installation fixing block 3 and the hollow connecting rod 102, finally, the sliding ring 103 is embedded along the inner wall of the sliding groove 203, and the fixing nut 101 is turned to fix the supporting sliding block 104 and the installation fixing block 3, so as to complete the installation of the DC contactor installation structure, and fix the DC contactor on the insulating sliding block 305, the contactor can be fixed on the insulating block, avoiding the contact of the contactor and the control cabinet, fixing the contactor on the insulating block can effectively isolate the vibration source and reduce the influence of vibration on the contactor, ensuring the stable work of the contactor;
[0040] At the same time, when the DC contactor works, the sliding of the second sliding block 304 and the hollow connecting rod 102 can reduce vibration, and the first spring 204 can reset the displaced DC contactor, avoiding the loosening of the contactor caused by vibration during work, and the shockproof assembly helps to improve the service life and working stability of the contactor.
[0041] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Therefore, if these modifications and variations of the present application belong to the scope of the claims of the present application and its equivalent technologies, the present application also intends to include these modifications and variations.
Claims
1. A DC contactor mounting structure, comprising a sliding base (1), a DC contactor body (2), and a mounting block (3), characterized in that: The mounting block (3) is fixedly installed on the outside of the sliding base (1), the DC contactor body (2) is fixedly installed on the outside of the mounting block (3), the mounting block (3) is fixedly connected to the DC contactor body (2), and a contactor anti-vibration assembly is fixedly installed on the outside of the mounting block (3). The contactor anti-vibration assembly includes a hollow connecting rod (102), a sliding ring (103), an insulating sliding block (305), and a second sliding block (304).
2. The DC contactor mounting structure as described in claim 1, characterized in that, The main contact head (205) is fixedly installed on the outside of the DC contactor body (2). A second fixing block (202) is fixedly installed on the outside of the DC contactor body (2). A second screw (201) is rotatably connected to the outside of the second fixing block (202). The insulating sliding block (305) slides on the outside of the DC contactor body (2). The second screw (201) is threadedly connected to the insulating sliding block (305).
3. The DC contactor mounting structure as described in claim 1, characterized in that, The mounting block (3) is externally fixed with a threaded ring block (302), and the mounting block (3) is externally rotatably connected with a sealing cover plate (301). The sealing cover plate (301) is threadedly connected to the threaded ring block (302), and the sealing cover plate (301) is slidably connected to the DC contactor body (2).
4. The DC contactor mounting structure as described in claim 1, characterized in that, The mounting block (3) is externally rotatably connected to a fixing screw (303). The hollow connecting rod (102) is fixedly installed on the outside of the mounting block (3). The fixing screw (303) is threadedly connected to the hollow connecting rod (102). A first threaded rod (105) is fixedly installed on the outside of the hollow connecting rod (102). A second sliding block (304) is fixedly installed on the outside of the insulating sliding block (305). The second sliding block (304) is slidably connected to the hollow connecting rod (102). The sliding base (1) slides on the outside of the hollow connecting rod (102). A fixing nut (101) is rotatably connected to the outside of the sliding base (1). The fixing nut (101) is threadedly connected to the first threaded rod (105).
5. The DC contactor mounting structure as described in claim 1, characterized in that, The sliding base (1) is fixedly installed with a supporting sliding block (104) on the outside. The supporting sliding block (104) is in contact with the mounting fixing block (3). The sliding base (1) is fixedly installed with a sliding ring (103). The insulating sliding block (305) has a sliding groove (203) on its outside. The sliding ring (103) slides on the inner wall of the sliding groove (203).
6. The DC contactor mounting structure as described in claim 5, characterized in that, A first spring (204) is fixedly installed on the outside of the insulating sliding block (305), and the end of the first spring (204) away from the insulating sliding block (305) is fixedly connected to the inner wall of the sliding ring (103).
7. The DC contactor mounting structure as described in claim 1, characterized in that, The insulating sliding block (305) is made of glass fiber reinforced plastic.
8. The DC contactor mounting structure as described in claim 1, characterized in that, The hollow connecting rod (102) and the second sliding block (304) are both in two sets and are symmetrically distributed.