Long-life automobile electromagnetic switch

Abstract

The utility model relates to the technical field of automobile starter parts, and discloses a long-life automobile electromagnetic switch which comprises an electromagnetic assembly, a convenient connecting assembly is installed on the front side of the electromagnetic assembly, and a convenient dismounting assembly is installed on the outer side of the electromagnetic assembly. The assembly convenient to disassemble and assemble is installed on the outer side of the device, when the device is used, a convenient disassembly mode can be provided when the interior is overhauled through the assembly, convenience is also provided when the device is combined and installed, and therefore convenience can be improved in the using period.

Description

Technical Field

[0001] The utility model relates to the technical field of automotive starter parts, in particular to a long-life automotive electromagnetic switch. Background Technique

[0002] The starter, also known as the motor, converts the electrical energy of the battery into mechanical energy to drive the engine flywheel to rotate and achieve the start of the engine. Starters are classified into DC starters, gasoline starters, compressed air starters, etc. according to the working principle. Most internal combustion engines use DC starters, which are characterized by compact structure, simple operation and easy maintenance. As the name implies, an electromagnetic switch is a switch controlled by an electromagnet, that is, a combination of an electromagnet and a switch. When the electromagnet coil is energized, an electromagnetic suction force is generated, and the moving iron core pushes or pulls the switch contact to close, thereby connecting the controlled circuit. Electromagnetic switches are widely used in various industries, and the most common one is the contactor in the industrial field. The electromagnetic switch is the control switch on the starter and is one of the three major components of the starter (DC motor, transmission engagement mechanism, electromagnetic switch). Its working principle is that after the coil is energized, an electromagnetic suction force is generated, causing the moving iron core to move. On the one hand, it pulls the transmission engagement mechanism to move the starter pinion forward to engage with the engine flywheel ring gear. On the other hand, it pushes the switch contact to close, enabling the DC motor to be energized and operate, thus driving the engine to start.

[0003] The application number is CN201822255266.7, which discloses an electronic arc-extinguishing automotive electromagnetic switch. The battery is connected to the first contact, and the battery is also connected to the ignition switch, the holding coil and the ground. One end of the attracting coil is connected to the middle of the wire connecting the ignition switch and the holding coil, and the other end of the attracting coil is connected to the second contact. The second contact is also connected to one end of the DC motor, and the other end of the DC motor is grounded. The first contact and the second contact are respectively connected to the drain and source of the power field effect transistor. The two ends of the DC motor are connected in parallel with a parallel circuit composed of a first diode, a first resistor and a second resistor. The gate of the power field effect transistor is connected to the first resistor, the second resistor and the capacitor. A third resistor is connected in parallel across the two ends of the DC motor. The utility model has the advantages of simple structure and reliable operation, etc., and can eliminate the surface ablation of the contact surface due to the generation of arcs when contacting or disconnecting, and improve the working reliability and service life of the automotive electromagnetic switch.

[0004] Although the above utility model is connected to both ends of a DC motor through a parallel circuit composed of a first diode, a first resistor, and a second resistor, the gate of the power field effect transistor is connected to the first resistor, the second resistor, and a capacitor, and a third resistor is connected in parallel across the two ends of the DC motor. The utility model has the advantages of simple structure and reliable operation, can eliminate the surface ablation of the contact surface of the contact during contact or disconnection, improve the reliable operation and service life of the automotive electromagnetic switch, but there is a drawback that when the device needs to be overhauled for the internal situation during use, there is a certain problem of difficulty in unfolding the way it is deployed.

[0005] Therefore, it is necessary to install a convenient disassembly and assembly component on the outside of the device, which can enable, during use, through its components, to provide a convenient way to disassemble when overhauling the interior, and also provide convenience during combined installation, so that the convenience can be improved during use. Summary of the Utility Model

[0006] The purpose of the present utility model is to provide a long-life automotive electromagnetic switch to solve the problems raised in the above background technology.

[0007] To solve the above technical problems, the present utility model is realized through the following technical solutions:

[0008] The present utility model is a long-life automotive electromagnetic switch, including an electromagnetic component, with a convenient connection component installed on the front side of the electromagnetic component, and a convenient disassembly and assembly component installed on its outside.

[0009] Further, the electromagnetic component includes a stretching rod, a return spring is installed around the stretching rod, a magnet is installed on the outer periphery of its rear side, and a limiting end is installed at its end.

[0010] Further, the convenient connection component includes a limiting groove, a limiting snap ring is installed inside the limiting groove, an installation notch is installed on its front side, and at the same time, it is opened on the outer periphery of the front side of the stretching rod, and a connection end is installed inside the installation notch.

[0011] Further, the convenient disassembly and assembly component includes an opening and closing cover body, an iron hinge is installed on one side of the opening and closing cover body, a combined hinge is installed on the other side, and at the same time, a limiting opening is installed at a section of its front side, a stretching rod is installed inside the limiting opening, and a hinge is installed in the middle of the iron hinge.

[0012] Further, the stretching rod includes a rod body, a limiting silica gel pad is installed on the front side of the rod body, and a protective pad is installed at its end.

[0013] Furthermore, the opening and closing cover body includes a heat absorption pad and a telescopic sliding opening. The heat absorption pad is installed on the inner wall of the opening and closing cover body, and the telescopic sliding opening is provided on both sides of the opening and closing cover body.

[0014] The utility model has the following beneficial effects:

[0015] (1) As a long-life automotive electromagnetic switch, the utility model is provided with a convenient disassembly and assembly component on the outer side of the device. When in use, the component can provide a convenient way to disassemble the device for internal maintenance, and also provide convenience during combined installation, thus enhancing the convenience during use.

[0016] (2) As a long-life automotive electromagnetic switch, the utility model is provided with a convenient connection component on the front side of the device. When using this device, the component can provide a convenient connection method, avoid the reset spring inside from falling off, and can replace springs of different specifications according to different needs, and replace different limit retaining rings for different specifications.

[0017] Of course, it is not necessary for any product implementing the utility model to achieve all the above advantages simultaneously. Description of the Drawings

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0019] Figure 1 It is a schematic diagram of the overall structure of a long-life automotive electromagnetic switch of the utility model;

[0020] Figure 2 It is a schematic diagram of the front side structure of a long-life automotive electromagnetic switch of the utility model;

[0021] Figure 3 It is a schematic diagram of the unfolded structure of a long-life automotive electromagnetic switch of the utility model;

[0022] Figure 4 It is a schematic diagram of the structure of the convenient connection component of a long-life automotive electromagnetic switch of the utility model;

[0023] In the drawings, the list of components represented by each reference numeral is as follows:

[0024] In the figure: 1. Electromagnetic component; 2. Convenient connection component; 3. Convenient disassembly and assembly component; 101. Tensile rod; 102. Return spring; 103. Magnet; 104. Limit end; 201. Limit groove; 202. Limit snap ring; 203. Installation notch; 204. Connection end; 301. Opening and closing cover; 302. Iron hinge; 303. Hinge; 304. Merged page; 305. Limit port; 1011. Rod body; 1012. Limit silica gel pad; 1013. Protective pad; 3011. Heat absorption pad; 3012. Telescopic sliding port. Specific implementation manner

[0025] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0026] Please refer to Figure 1 - Figure 4 As shown, the present invention is a long-life automotive electromagnetic switch, including an electromagnetic component 1. A convenient connection component 2 is installed on the front side of the electromagnetic component 1, and a convenient disassembly and assembly component 3 is installed on its outer side.

[0027] By installing a convenient disassembly and assembly component 2 on the outer side of the device, when in use, through this component, a convenient disassembly method can be provided for internal maintenance, and it is also convenient during combined installation, which can improve convenience during use.

[0028] The electromagnetic component 1 includes a tensile rod 101. A return spring 102 is installed around the tensile rod 101, a magnet 103 is installed on the outer periphery of its rear side, and a limit end 104 is installed at its end. When assembling the electromagnetic component 1 of the device, different return springs 102 can be selected according to the current use scenario, and then installed on the outer side of the tensile rod 101. At the same time, the magnet 103 is installed between the limit silica gel pad 1012 and the protective pad 1013. At the same time, through the induction of the internal current on the magnet 103, the internal tensile rod 101 can be controlled by the magnet 103 to perform telescopic work, and it can be telescoped in the telescopic sliding port 3012, making the sliding smoother and reducing wear.

[0029] The convenient connection component 2 includes a limit groove 201. A limit snap ring 202 is installed inside the limit groove 201, and an installation notch 203 is installed on its front side. At the same time, it is opened on the outer periphery of the front side of the stretching rod 101. A connection end 204 is installed inside the installation notch 203. By limiting and installing its limit port 305 inside the return spring 102, the limit work can be further realized. Then, the connection end 204 for connection is installed inside the installation notch 203, and different limit snap rings 202 are selected for different specifications of the return spring 102 and installed in the limit 201, so as to carry out the limit work on its return limit.

[0030] The convenient disassembly and assembly component 3 includes an opening and closing cover body 301. An iron hinge 302 is installed on one side of the opening and closing cover body 301, and a combined hinge 304 is installed on the other side. At the same time, a limit port 305 is installed at a section of its front side. A stretching rod 101 is installed inside the limit port 305. A hinge 303 is installed in the middle of the iron hinge 302. By rotating the hinge 303 at its rear side, the upper and lower opening and closing cover bodies 301 are then unfolded. Then, the assembled electromagnetic component 1 is placed inside. Then, the opening and closing cover body 301 is closed by rotating the hinge 303. At this time, the iron hinges 302 installed on both sides can keep a complete combining work. Then, the combined hinge 304 on one side is fixed by a fastener to complete the assembly.

[0031] The stretching rod 101 includes a rod body 1011. A limit silica gel pad 1012 is installed on the front side of the rod body 1011, and a protective pad 1013 is installed at its end. The magnet 103 is installed between the limit silica gel pad 1012 and the protective pad 1013, so that during the work, a certain protective effect can be provided to avoid the wear caused by long-term use or the damage caused by bumps.

[0032] The opening and closing cover body 301 includes a heat absorption pad 3011 and a telescopic sliding opening 3012. The heat absorption pad 3011 is installed on the inner wall of the opening and closing cover body 301, and the telescopic sliding opening 3012 is opened on both sides of the opening and closing cover body 301.

[0033] When using this device, first assemble the electromagnetic component 1 of the device. For the current usage scenario, different reset springs 102 can be selected and then installed on the outside of the tension rod 101. At the same time, install the magnet 103 between the limit silicone pad 1012 and the protective pad 1013, which can provide a certain protective effect during operation to avoid wear or damage caused by long-term use or bumps. Then, install the whole in the internal of the convenient disassembly and assembly component 3 to complete the overall assembly work. When installing it in the internal of the convenient disassembly and assembly component 3, rotate the rear hinge 303, then unfold the upper and lower opening and closing covers 301, place the assembled electromagnetic component 1 inside, and then close the opening and closing cover 301 by rotating the hinge 303. At this time, the iron hinges 302 installed on both sides can keep a complete merging work. Then, fix the merging page 304 on one side through the fastener to complete the assembly. After fixing, install the limit port 305 in the internal of the reset spring 102 to further achieve the limiting work. Then, install the connection end 204 of the pair connection in the installation notch 203, select different limit snap rings 202 for different specifications of the reset spring 102, and install them in the limit 201 to perform the limiting work on its reset limit. Then it can be put into use. When in use, through the induction of the internal current on the magnet 103, the tension rod 101 inside can be controlled by the magnet 103 to perform telescopic work, and it can telescope in the telescopic slide port 3012, making the sliding smoother and reducing wear, and further affecting the device of the connection end 204.

[0034] The preferred embodiments of the present utility model disclosed above are only used to help illustrate the present utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the present utility model to the specific embodiments described. Obviously, according to the content of this specification, many modifications and changes can be made. These embodiments are selected and specifically described in this specification to better explain the principle and practical application of the present utility model, so that those skilled in the relevant technical field can well understand and utilize the present utility model. The present utility model is only limited by the claims and their full scope and equivalents.

Claims

1. A long-life automotive electromagnetic switch, comprising an electromagnetic component (1), characterized in that: A convenient connection component (2) is installed on the front side of the electromagnetic component (1), and a convenient disassembly and assembly component (3) is installed on its outer side.

2. The long-life automotive electromagnetic switch according to claim 1, wherein: The electromagnetic component (1) includes a stretching rod (101). A return spring (102) is installed around the stretching rod (101), a magnet (103) is installed on the outer periphery of its rear side, and a limiting end (104) is installed at its end.

3. The long-life automotive electromagnetic switch according to claim 1, wherein: The convenient connection component (2) includes a limiting groove (201). A limiting snap ring (202) is installed inside the limiting groove (201), an installation notch (203) is installed on its front side, and is also provided on the outer periphery of the front side of the stretching rod (101). A connection end (204) is installed inside the installation notch (203).

4. The long-life automotive electromagnetic switch according to claim 1, characterized in that: The convenient disassembly and assembly component (3) includes an opening and closing cover body (301). An iron hinge (302) is installed on one side of the opening and closing cover body (301), a combined hinge (304) is installed on the other side, and a limiting opening (305) is installed on a section of its front side. The stretching rod (101) is installed inside the limiting opening (305), and a hinge (303) is installed in the middle of the iron hinge (302).

5. The long-life automotive electromagnetic switch according to claim 2, characterized in that: The stretching rod (101) includes a rod body (1011). A limiting silica gel pad (1012) is installed on the front side of the rod body (1011), and a protective pad (1013) is installed at its end.

6. The long-life automotive electromagnetic switch according to claim 4, wherein: The opening and closing cover body (301) includes a heat absorption pad (3011) and a telescopic sliding opening (3012). The heat absorption pad (3011) is installed on the inner wall of the opening and closing cover body (301), and the telescopic sliding opening (3012) is provided on both sides of the opening and closing cover body (301).

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