Waterproof electromagnetic switch for automobile starter

Abstract

The utility model relates to the technical field of electromagnetic switches, and discloses a waterproof electromagnetic switch for an automobile starter, which comprises a mounting plate, a protective cover is fixedly mounted in the middle of the surface of the mounting plate, a switch is arranged in the protective cover, a threaded rod is arranged in the middle of the surface of the switch, and a sealing assembly penetrates through the surface of the threaded rod in a threaded manner. Mounting grooves are formed in the four corners of the surface of the mounting plate correspondingly, limiting pipes are fixedly mounted in the mounting grooves, and mounting assemblies are arranged in the limiting pipes. According to the waterproof electromagnetic switch for the automobile starter, through the arrangement of the mounting plate, the limiting pipe and the mounting assembly, in the using process, a worker rotates a positioning rod through the limiting pipe, then a conical block extrudes a guide rod, the guide rod moves towards the two sides, and the guide rod penetrates through the two sides of the limiting pipe during moving; and the limiting pipe is mounted, and the mounting plate is mounted accordingly, so that the efficiency of mounting the electromagnetic switch by personnel is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electromagnetic switches, in particular to an electromagnetic switch for a waterproof automotive starter. Background Art

[0002] The electromagnetic switch of an automotive starter is a key component in the automotive starting system, and it undertakes the important task of controlling the connection and disconnection of the starter circuit. The basic function of the electromagnetic switch is to use the electromagnetic principle to control a large current with a small current, so as to achieve precise control of the starter and ensure that the engine can start smoothly. Generally, the electromagnetic switch is composed of an electromagnet part and a switch part.

[0003] However, the existing electromagnetic switches for waterproof automotive starters have the following disadvantages:

[0004] The existing electromagnetic switches do not have waterproof and dustproof sealing settings, are easily affected by the use environment, and rainwater easily enters the inside of the switch cover, causing the internal parts of the switch to rust, affecting the use. Moreover, when installing the electromagnetic switch components, the installation steps are cumbersome and take too much time. Summary of the Utility Model

[0005] The technical problem solved by the utility model is to provide a waterproof electromagnetic switch for an automotive starter with high practicability, which can be operated simply and has a relatively simple structure, and solves the problems that the electromagnetic switch in the above background art does not have waterproof and dustproof sealing settings, is easily affected by the use environment, rainwater easily enters the inside of the switch cover, causing the internal parts of the switch to rust, affecting the use, and when installing the electromagnetic switch components, the installation steps are cumbersome and take too much time.

[0006] To achieve the above purposes, the utility model is realized through the following technical solutions: The waterproof electromagnetic switch for an automotive starter includes a mounting plate, a protective cover is fixedly installed in the middle of the surface of the mounting plate, a switch is arranged inside the protective cover, a threaded rod is arranged in the middle of the surface of the switch, a sealing component is threadedly penetrated through the surface of the threaded rod, mounting grooves are respectively opened at the four corners of the surface of the mounting plate, a limiting tube is fixedly installed inside the mounting groove, and a mounting component is arranged inside the limiting tube.

[0007] Optionally, the sealing component includes a sealing cover threadedly connected to the surface of the threaded rod, a sealing ring is arranged inside the sealing cover, and a threaded cylinder is fixedly installed in the middle of the surface of the sealing cover.

[0008] Optionally, a protective ring is arranged on the surface of the switch, and the size of the protective ring is adapted to the size inside the protective cover.

[0009] Optionally, the interior of the limiting tube of the installation component is provided with a threaded groove, a positioning rod is arranged inside the threaded groove, one end of the threaded rod is fixedly installed with a spring, one end of the spring is fixedly installed with a conical block, and both sides of the conical block are slidably connected with guide rods.

[0010] Optionally, through grooves are formed on both sides of the surface of the limiting tube, and the size of the through grooves is adapted to the size of the guide rods.

[0011] Optionally, an installation groove is formed on the surface of the positioning rod, a positioning bolt is fixedly installed inside the installation groove, and the positioning bolt threadedly penetrates through the installation groove.

[0012] The utility model provides a waterproof electromagnetic switch for an automotive starter, which has the following beneficial effects:

[0013] 1. For this waterproof electromagnetic switch for an automotive starter, through the arrangement of the mounting plate, the limiting tube and the installation component, during use, the operator rotates the positioning rod through the limiting tube, and then the conical block will squeeze the guide rods. The guide rods move to both sides. When moving, the guide rods penetrate through both sides of the limiting tube to install the limiting tube, and then the mounting plate is installed, improving the installation efficiency of the operator for the electromagnetic switch.

[0014] 2. For this waterproof electromagnetic switch for an automotive starter, through the arrangement of the switch, the threaded rod and the sealing component, during use, the operator threadedly connects the sealing cover and the threaded rod. Then the sealing ring inside the sealing cover will seal the switch, and at the same time the threaded cylinder seals the connection between the threaded rod and the sealing cover, improving the sealing performance and waterproof performance of the electromagnetic switch. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 is a schematic diagram of the disassembled structure of the utility model;

[0017] Figure 3 is a schematic diagram of the structure of the installation component of the utility model;

[0018] Figure 4 is a schematic diagram of the structure of the sealing component of the utility model.

[0019] In the figure: 1, mounting plate; 2, protective cover; 3, switch; 4, threaded rod; 5, sealing component; 51, sealing cover; 52, sealing ring; 53, threaded cylinder; 6, limiting tube; 7, installation component; 71, positioning rod; 72, spring; 73, conical block; 74, guide rod; 8, protective ring. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] The technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0021] Please refer to Figures 1 to 4 , the present utility model provides a technical solution: an electromagnetic switch for a waterproof automotive starter, including a mounting plate 1, a protective cover 2 is fixedly installed in the middle of the surface of the mounting plate 1, a switch 3 is arranged inside the protective cover 2, and a threaded rod 4 is arranged in the middle of the surface of the switch 3;

[0022] Through the arrangement of the threaded rod 4, it is convenient for personnel to install the sealing component 5, and the connection between the threaded rod 4 and the sealing component 5 is tight, with good sealing effect, avoiding rainwater from entering the inside of the switch 3 and causing the switch 3 to malfunction.

[0023] The surface thread of the threaded rod 4 penetrates through the sealing component 5, and mounting grooves are respectively opened at the four corners of the surface of the mounting plate 1, and a limiting tube 6 is fixedly installed inside the mounting groove;

[0024] Through the arrangement of the limiting tube 6, it is convenient for personnel to install the mounting component 7, and the limiting tube 6 can position the mounting plate 1, improving the stability of the mounting plate 1.

[0025] A mounting component 7 is arranged inside the limiting tube 6, a protective ring 8 is arranged on the surface of the switch 3, and the size of the protective ring 8 is adapted to the size inside the protective cover 2;

[0026] Through the arrangement of the protective ring 8, the switch 3 inside the protective ring 8 can be protected, reducing the occurrence of dust or foreign objects entering the inside of the switch 3, and improving the service life of the switch 3.

[0027] Embodiment 1: The sealing component 5 includes a sealing cover 51 threadedly connected to the surface of the threaded rod 4, a sealing ring 52 is arranged inside the sealing cover 51, and a threaded cylinder 53 is fixedly installed in the middle of the surface of the sealing cover 51;

[0028] During use, personnel connect the sealing cover 51 to the protective ring 8 through the threaded rod 4. After connection, the sealing ring 52 inside the sealing cover 51 will seal between the protective ring 8 and the sealing cover 51, and the threaded cylinder 53 is threadedly connected to one end of the threaded rod 4. The threaded cylinder 53 can seal the connection between the threaded rod 4 and the sealing cover 51, improving the sealing performance of the electromagnetic switch and reducing the occurrence of rainwater entering the inside of the electromagnetic switch.

[0029] Embodiment 2: Inside the limiting tube 6 of the installation component 7 is provided with a threaded groove, inside the threaded groove is provided with a positioning rod 71, one end of the positioning rod 71 is fixedly installed with a spring 72, one end of the spring 72 is fixedly installed with a tapered block 73, both sides of the tapered block 73 are slidably connected with guide rods 74, both sides of the surface of the limiting tube 6 are provided with through grooves, the size of the through grooves is adapted to the size of the guide rods 74, the surface of the positioning rod 71 is provided with an installation groove, and a positioning bolt is fixedly installed inside the installation groove, and the positioning bolt threadedly penetrates through the installation groove;

[0030] During use, the user rotates the positioning rod 71 through the limiting tube 6. When the positioning rod 71 rotates, the tapered block 73 will be squeezed by the spring 72. After being squeezed, the tapered block 73 will move downward, and the guide rods 74 will be pushed by the inclined surfaces on both sides. The guide rods 74 will move outwards through the through grooves on both sides of the limiting tube 6, and the guide rods 74 will then position and fix the limiting tube 6. The limiting tube 6 installs the mounting plate 1, which facilitates the user to install and position the mounting plate 1.

[0031] In the present utility model, the working steps of the device are as follows:

[0032] The first step: During use, the user connects the sealing cover 51 through the threaded rod 4 and the protective ring 8. After connection, the sealing ring 52 inside the sealing cover 51 will seal between the protective ring 8 and the sealing cover 51, and the threaded cylinder 53 is threadedly connected to one end of the threaded rod 4. The threaded cylinder 53 can seal the connection between the threaded rod 4 and the sealing cover 51, improving the sealing performance of the electromagnetic switch;

[0033] The second step: Finally, the positioning rod 71 is rotated through the limiting tube 6. When the positioning rod 71 rotates, the tapered block 73 will be squeezed by the spring 72. After being squeezed, the tapered block 73 will move downward, and the guide rods 74 will be pushed by the inclined surfaces on both sides. The guide rods 74 will move outwards through the through grooves on both sides of the limiting tube 6, and the guide rods 74 will then position and fix the limiting tube 6. The limiting tube 6 installs the mounting plate 1.

[0034] It should be noted that the device structure and drawings of the present utility model mainly describe the principle of the present utility model. Based on this design principle, the settings of the power mechanism, power supply system, and control system of the device are not fully described. However, on the premise that those skilled in the art understand the principle of the above-mentioned utility model, the specific power mechanism, power supply system, and control system can be clearly known. The control method of the application document is automatically controlled by a controller, and the control circuit of the controller can be realized by simple programming by those skilled in the art;

[0035] All the standard parts used can be purchased from the market and customized according to the descriptions in the specification and the drawings. The specific connection methods of each part all adopt conventional means such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts, and equipment all adopt conventional models in the prior art, and the components known to those skilled in the art, their structures and principles can all be learned by those skilled in the art through technical manuals or obtained through conventional experimental methods.

[0036] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A waterproof electromagnetic switch for a car starter, comprising a mounting plate (1), characterized in that: A protective cover (2) is fixedly mounted in the middle of the surface of the mounting plate (1), a switch (3) is arranged inside the protective cover (2), a threaded rod (4) is arranged in the middle of the surface of the switch (3), a sealing component (5) is threadedly passed through the surface of the threaded rod (4), mounting grooves are provided at the four corners of the surface of the mounting plate (1), a limiting tube (6) is fixedly mounted inside the mounting groove, and a mounting component (7) is arranged inside the limiting tube (6).

2. The waterproof electromagnetic switch for automobile starter according to claim 1, characterized in that: The sealing assembly (5) comprises a sealing cover (51) threadedly connected to the surface of a threaded rod (4), a sealing ring (52) being provided inside the sealing cover (51), and a threaded barrel (53) being fixedly mounted in the middle of the surface of the sealing cover (51).

3. The waterproof electromagnetic switch for automobile starter according to claim 1, characterized in that: A protective ring (8) is provided on the surface of the switch (3), and the size of the protective ring (8) is adapted to the size of the interior of the protective cover (2).

4. The waterproof electromagnetic switch for automobile starter according to claim 1, characterized in that: The mounting assembly (7) comprises a limit tube (6) having a threaded groove inside, a positioning rod (71) inside the threaded groove, a spring (72) fixedly mounted on one end of the positioning rod (71), a conical block (73) fixedly mounted on one end of the spring (72), and guide rods (74) slidably connected to both sides of the conical block (73).

5. The waterproof electromagnetic switch for automobile starter according to claim 1, characterized in that: Both sides of the surface of the limiting tube (6) are provided with through grooves, and the size of the through grooves matches the size of the guide rod (74).

6. The waterproof electromagnetic switch for automobile starter according to claim 4, characterized in that: A mounting groove is provided on the surface of the positioning rod (71), a positioning bolt is fixedly installed inside the mounting groove, and the positioning bolt thread passes through the mounting groove.

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