Push type electromagnetic switch

Abstract

The utility model relates to the technical field of electromagnetic switches, and discloses a push type electromagnetic switch, which comprises an electromagnetic switch body and a connecting plate, the outer side of the electromagnetic switch body is fixedly connected with a fixing block, the fixing block is internally provided with a cavity, and the inner wall of the cavity is slidably connected with a lock rod at a through hole. The outer side of the lock rod is fixedly connected with a sliding ring, the outer side of the lock rod is sleeved with a spring, one end of the lock rod is fixedly connected with a pull ring, the bottom of the connecting plate is fixedly connected with two combination plates, and clamping holes are formed in the combination plates. According to the electromagnetic switch, the lock rod can be driven to slide by pulling the two pull rings at the same time, and when one end of the lock rod is pulled out of the interior of the clamping hole, the fixing relation between the lock rod and the combined plate is relieved, so that the connecting plate can be separated from the electromagnetic switch body, and the disassembly mode is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of electromagnetic switches, in particular to a push-type electromagnetic switch. Background Art

[0002] An electromagnetic switch is a switching device controlled by an electromagnet, usually composed of an electromagnet part and a contact part. When the electromagnet is energized, it will generate electromagnetic attraction to activate the relevant mechanism, thereby closing or opening the switch contacts to achieve the purpose of connecting or disconnecting the circuit. Electromagnetic switches are widely used in many electrical and electronic equipment. In automobile starters, electromagnetic switches are used to control the connection and disconnection of the starter main circuit; they also play an important role in some industrial control equipment.

[0003] The push-type electromagnetic switch in the prior art generally has an outer shell that wraps the internal components therein, but the outer shell is fastened by bolts. When the internal components fail and need to be disassembled and repaired, additional tools are required, which is rather troublesome. Therefore, the technology in the field proposes a push-type electromagnetic switch to solve the above problem. Utility Model Content

[0004] In order to remedy the above deficiencies, the utility model provides a push-type electromagnetic switch, which aims to improve the problem that the shell of the push-type electromagnetic switch in the prior art is fastened by bolts, and when the internal components fail and need to be disassembled and repaired, additional tools are needed to assist, which is quite troublesome.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a push-type electromagnetic switch, comprising an electromagnetic switch body and a connecting plate, a fixed block is fixedly connected to the outer side of the electromagnetic switch body, a cavity is opened inside the fixed block, a locking rod is slidably connected to the inner wall through hole of the cavity, a sliding ring is fixedly connected to the outer side of the locking rod, a spring is sleeved on the outer side of the locking rod, a pull ring is fixedly connected to one end of the locking rod, two combination plates are fixedly connected to the bottom of the connecting plate, a card hole is opened inside the combination plate, a mounting frame is fixedly connected to the top of the connecting plate, a protective component is arranged on the outer side of the mounting frame, and the protective component is used to protect the push-type button of the electromagnetic switch.

[0006] Furthermore, the protection assembly includes two fixing plates, the bottom of the fixing plates is fixedly connected to the top of the installation frame, and the inside of the two fixing plates is rotatably connected with a rotating rod.

[0007] Furthermore, the rotating rod drives a protective cover to be fixedly connected to the outside, and a torsion spring is sleeved on the outside of the rotating rod.

[0008] Furthermore, one end of the torsion spring is fixedly connected to the outer side of the fixing plate, and the other end of the torsion spring is fixedly connected to the outer side of the protective cover.

[0009] Furthermore, a limiting plate is fixedly connected to the inner side of the installation frame, and the bottom of the protective cover is fitted with the top of the limiting plate.

[0010] Furthermore, the outer side of the combined plate is fitted with one side of the fixing block, and the other end of the locking rod is engaged with the inside of the locking hole.

[0011] Furthermore, one end of the spring is fixedly connected to the inner wall of the cavity, and the other end of the spring is fixedly connected to the outer side of the sliding ring.

[0012] Furthermore, the outer side of the sliding ring is slidably connected to the inner side of the cavity, and the interior of the installation frame is slidably connected to two switch buttons.

[0013] The utility model has the following beneficial effects:

[0014] 1. In the utility model, by pulling the two pull rings at the same time, the lock rod can be driven to slide. When one end of the lock rod is pulled out from the inside of the card hole, the fixed relationship between the lock rod and the combination plate is released, so that the connecting plate can be separated from the electromagnetic switch body. This disassembly method is more convenient.

[0015] 2. In the utility model, the two sides of the protective cover can be grasped and turned over so that the switch button can be pressed for use. After the protective cover is loosened, the rotational force accumulated by the torsion spring can make the protective cover rotate quickly and reset. The bottom of the protective cover will be supported by the limit plate, and the protective cover can stably cover the two switch buttons, which can protect the switch buttons. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A three-dimensional diagram of a push-type electromagnetic switch proposed by the utility model;

[0017] Figure 2 This is a cross-sectional view of a fixing block of a push-type electromagnetic switch proposed by the utility model;

[0018] Figure 3 This is a schematic diagram of the installation frame structure of a push-type electromagnetic switch proposed by the utility model;

[0019] Figure 4 The utility model is a schematic diagram of a protective cover structure of a push-type electromagnetic switch.

[0020] Legend:

[0021] 1. Electromagnetic switch body; 2. Fixed block; 3. Cavity; 4. Lock rod; 5. Sliding ring; 6. Pull ring; 7. Connecting plate; 8. Combination plate; 9. Clamp hole; 10. Mounting frame; 11. Switch button; 12. Fixed plate; 13. Rotating rod; 14. Protective cover; 15. Torsion spring; 16. Limit plate; 17. Spring. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Reference Figure 1-Figure 3 , the utility model provides an embodiment: a push-type electromagnetic switch, including an electromagnetic switch body 1 and a connecting plate 7, a fixed block 2 is fixedly connected to the outer side of the electromagnetic switch body 1, a cavity 3 is opened inside the fixed block 2, a locking rod 4 is slidably connected to the inner wall through hole of the cavity 3, a sliding ring 5 is fixedly connected to the outer side of the locking rod 4, a spring 17 is sleeved on the outer side of the locking rod 4, a pull ring 6 is fixedly connected to one end of the locking rod 4, two combination plates 8 are fixedly connected to the bottom of the connecting plate 7, a card hole 9 is opened inside the combination plate 8, a mounting frame 10 is fixedly connected to the top of the connecting plate 7, and a protective component is arranged on the outer side of the mounting frame 10, the protective component is used to protect the push-type button of the electromagnetic switch, and pulling the two pull rings 6 at the same time can drive the locking rod 4 to slide, when one end of the locking rod 4 is pulled out from the inside of the card hole 9, the fixed relationship with the combination plate 8 is released, so that the connecting plate 7 can be separated from the electromagnetic switch body 1, and this disassembly method is more convenient.

[0024] Reference Figure 2-Figure 4The protective assembly includes two fixed plates 12, the bottom of the fixed plate 12 is fixedly connected to the top of the installation frame 10, the two fixed plates 12 are internally rotatably connected with a rotating rod 13, the rotating rod 13 drives the outer side to be fixedly connected with a protective cover 14, the outer sleeve of the rotating rod 13 is provided with a torsion spring 15, one end of the torsion spring 15 is fixedly connected to the outer side of the fixed plate 12, and the other end of the torsion spring 15 is fixedly connected to the outer side of the protective cover 14, the inner side of the installation frame 10 is fixedly connected with a limiting plate 16, and the bottom of the protective cover 14 is in contact with the top of the limiting plate 16, and the combination The outer side of the plate 8 fits with one side of the fixed block 2, and the other end of the locking rod 4 is engaged with the inside of the card hole 9. When the switch button 11 needs to be pressed, the two sides of the protective cover 14 can be grasped and the protective cover 14 can be turned over, so that the switch button 11 can be pressed for use. After loosening the protective cover 14, the rotational force accumulated by the torsion spring 15 can make the protective cover 14 rotate quickly and reset, and the bottom of the protective cover 14 will be supported by the limit plate 16. The protective cover 14 can stably cover the two switch buttons 11, which can protect the switch buttons 11.

[0025] Reference Figure 1-Figure 3 One end of the spring 17 is fixedly connected to the inner wall of the cavity 3, and the other end of the spring 17 is fixedly connected to the outer side of the sliding ring 5. The outer side of the sliding ring 5 is slidably connected to the inner side of the cavity 3. The internal sliding connection of the mounting frame 10 is provided with two switch buttons 11. The elastic force of the spring 17 can enable the sliding ring 5 to drive the locking rod 4 to quickly reset. The switch button 11 adopts a press-reset structure, and a reset elastic member is arranged inside.

[0026] Working principle: When the electromagnetic switch needs to be disassembled, the two pull rings 6 can be pulled at the same time to drive the locking rod 4 to move. When the locking rod 4 is pulled out from the inside of the card hole 9, the fixation of the combination plate 8 is released, so that the connecting plate 7 can be separated from the electromagnetic switch body 1. This disassembly method is more convenient. In addition, when the switch button 11 needs to be pressed, the two sides of the protective cover 14 can be grasped and the protective cover 14 can be turned over. In this way, the switch button 11 can be pressed. After releasing the protective cover 14, the rotational force of the torsion spring 15 can make the protective cover 14 quickly reset, and one end of the protective cover 14 will be supported by the limit plate 16. The protective cover 14 can stably cover the two switch buttons 11, which can protect the switch button 11.

[0027] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A push-type electromagnetic switch, comprising an electromagnetic switch body (1) and a connecting plate (7), characterized in that: The outer side of the electromagnetic switch body (1) is fixedly connected to a fixing block (2), a cavity (3) is provided inside the fixing block (2), a locking rod (4) is slidably connected to the inner wall through hole of the cavity (3), a sliding ring (5) is fixedly connected to the outer side of the locking rod (4), a spring (17) is sleeved on the outer side of the locking rod (4), a pull ring (6) is fixedly connected to one end of the locking rod (4), two combination plates (8) are fixedly connected to the bottom of the connecting plate (7), a clamping hole (9) is provided inside the combination plate (8), a mounting frame (10) is fixedly connected to the top of the connecting plate (7), a protective component is provided on the outer side of the mounting frame (10), and the protective component is used to protect the push button of the electromagnetic switch.

2. A push-type electromagnetic switch according to claim 1, characterized in that: The protection assembly comprises two fixed plates (12), the bottom of the fixed plates (12) is fixedly connected to the top of the installation frame (10), and the interior of the two fixed plates (12) is rotatably connected to a rotating rod (13).

3. A push-type electromagnetic switch according to claim 2, characterized in that: The rotating rod (13) drives a protective cover (14) to be fixedly connected to the outside, and a torsion spring (15) is sleeved on the outside of the rotating rod (13).

4. A push-type electromagnetic switch according to claim 3, characterized in that: One end of the torsion spring (15) is fixedly connected to the outer side of the fixing plate (12), and the other end of the torsion spring (15) is fixedly connected to the outer side of the protective cover (14).

5. A push-type electromagnetic switch according to claim 4, characterized in that: The inner side of the installation frame (10) is fixedly connected to a limiting plate (16), and the bottom of the protective cover (14) is in contact with the top of the limiting plate (16).

6. The push-type electromagnetic switch according to claim 1, characterized in that: The outer side of the combined plate (8) is fitted with one side of the fixed block (2), and the other end of the locking rod (4) is engaged with the inside of the locking hole (9).

7. The push-type electromagnetic switch according to claim 1, characterized in that: One end of the spring (17) is fixedly connected to the inner wall of the cavity (3), and the other end of the spring (17) is fixedly connected to the outer side of the sliding ring (5).

8. The push-type electromagnetic switch according to claim 1, characterized in that: The outer side of the sliding ring (5) is slidably connected to the inner side of the cavity (3), and the interior of the installation frame (10) is slidably connected to two switch buttons (11).

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