Transmission mechanism of auxiliary switch of power equipment

Abstract

The utility model belongs to the technical field of auxiliary switches, and particularly relates to a transmission mechanism of an auxiliary switch of power equipment, which comprises a mounting plate, a first rotating shaft is connected inside the mounting plate through a bearing, a first gear is fixedly connected to the back of the first rotating shaft, and a first knob is fixedly connected to the front of the first rotating shaft. The first knob is in contact with the mounting plate, and the outer side of the first knob is fixedly connected with a shifting block. By arranging the limiting frame, the positioning block, the positioning groove and the like, the threaded rod and the mounting block can perform threaded motion by rotating the threaded rod, so that the threaded rod drives the limiting frame to limit the first knob, and the first knob cannot trigger the second knob; the problems that the auxiliary switch is inconvenient to limit when the auxiliary switch of the power equipment is used, the auxiliary switch is easily triggered by mistake, and normal operation of the equipment is influenced are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of auxiliary switches, in particular to a transmission mechanism of an auxiliary switch of electric power equipment. Background Art

[0002] The auxiliary switch of power equipment is a switch device used to monitor, control or indicate parameters or status in the power system. They are usually used in conjunction with the main switch or circuit breaker to assist in the operation and protection of power equipment. According to the utility model with patent authorization announcement number CN205845740U, an auxiliary switch is disclosed, including a contact assembly provided with a base, a heat dissipation layer that fits the base is provided on the bottom of the base, and the auxiliary switch is also provided with a ventilation pipe that is in contact with the heat dissipation layer. The purpose of the utility model is to dissipate the internal heat generated by the auxiliary switch working for a long time to the outside of the auxiliary switch to avoid the auxiliary switch from not being able to work normally due to excessive temperature. However, it is inconvenient to limit the auxiliary switch of the power equipment when it is in use, which can easily cause the auxiliary switch to be triggered by mistake, affecting the normal operation of the equipment. Utility Model Content

[0003] The utility model aims to provide a transmission mechanism for an auxiliary switch of an electric device, which solves the problem that it is inconvenient to limit the auxiliary switch of the electric device when it is in use, which easily causes the auxiliary switch to be triggered by mistake and affects the normal operation of the equipment.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a transmission mechanism of an auxiliary switch of an electric power equipment, comprising a mounting plate, a first rotating shaft is connected to the inside of the mounting plate through a bearing, a first gear is fixedly connected to the back of the first rotating shaft, a first knob is fixedly connected to the front of the first rotating shaft, the first knob contacts the mounting plate, a shift block is fixedly connected to the outer side of the first knob, a stop block is fixedly connected to the front of the mounting plate, a second rotating shaft is connected to the inside of the mounting plate through a bearing, a second gear is fixedly connected to the back of the second rotating shaft, a second knob is fixedly connected to the front of the second rotating shaft, the second knob contacts the mounting plate, and chains mesh with the outer sides of the first gear and the second gear.

[0005] Preferably, a protective shell is fixedly connected to the back side of the mounting plate, a connecting block is fixedly connected to the outer side of the protective shell, a slider is slidably connected to the inside of the connecting block, a clamping block is fixedly connected to the side of the slider close to the mounting plate, a clamping groove is provided inside the mounting plate, a fixing rod is fixedly connected to the inside of the connecting block, the slider is slidably sleeved with the fixing rod, a spring is provided on the outer side of the fixing rod, one end of the spring is in contact with the slider, and the other end of the spring is in contact with the connecting block, so that the elastic force of the spring can drive the slider to move, so that the slider drives the clamping block to clamp with the mounting plate, thereby limiting the protective shell and allowing the protective shell to be installed on the mounting plate.

[0006] Preferably, a card block is slidably connected inside the card slot, and the card block is in contact with the connecting block. The design of the card block can limit the protective shell.

[0007] Preferably, one end of the sliding block away from the clamping block is fixedly connected with a pushing block, and the pushing block is in contact with the connecting block. The design of the pushing block can facilitate the movement of the sliding block.

[0008] The locking plate is provided with a locking mechanism which is adapted to lock the locking plate and the locking member in a position to lock the locking plate when the locking plate is in a locked position.

[0009] Preferably, a limiting ring is fixedly connected inside the sleeve, and the limiting ring is slidably connected to the sliding rod. The limiting ring can limit the sliding rod through the design of the limiting ring.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0011] 1. The utility model provides a limit frame, a positioning block, a positioning groove and other components, and can rotate the threaded rod to make the threaded rod and the mounting block to have a threaded movement, so that the threaded rod drives the limit frame to limit the first knob, so that the first knob cannot trigger the second knob, thereby solving the problem that it is inconvenient to limit the auxiliary switch of the power equipment when it is in use, which easily causes the auxiliary switch to be triggered by mistake and affects the normal operation of the equipment.

[0012] 2. The utility model can protect the first gear, the second gear and the chain by providing a protective shell, and can connect the clamping block with the mounting plate by providing components such as a connecting block, a slider and a clamping block, so that the clamping block can limit the protective shell, so that the protective shell can remain stable when protecting the transmission mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0014] Figure 2 For the utility model Figure 1 Rear view of

[0015] Figure 3 For the utility model Figure 2 A three-dimensional diagram of the local structure;

[0016] Figure 4 For the utility model Figure 1 A partial structure enlarged front view and cross-sectional view;

[0017] Figure 5 For the utility model Figure 2 Magnified top view of the cross section;

[0018] Figure 6 For the utility model Figure 5 A-section structure enlarged view.

[0019] In the figure: 1. mounting plate; 2. first rotating shaft; 21. first gear; 22. first knob; 23. shift block; 24. stop block; 3. second rotating shaft; 31. second gear; 32. second knob; 4. chain; 5. protective shell; 6. connecting block; 61. slider; 62. clamping block; 63. clamping slot; 64. fixing rod; 65. spring; 66. push block; 7. limit frame; 71. positioning block; 72. positioning slot; 73. threaded rod; 74. mounting block; 75. knob; 76. sleeve; 77. slide rod; 78. limit ring. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figure 1-6 A transmission mechanism of an auxiliary switch of an electric power equipment comprises a mounting plate 1, wherein a first rotating shaft 2 is connected to the inside of the mounting plate 1 through a bearing, a first gear 21 is fixedly connected to the back of the first rotating shaft 2, a first knob 22 is fixedly connected to the front of the first rotating shaft 2, the first knob 22 contacts the mounting plate 1, a shift block 23 is fixedly connected to the outer side of the first knob 22, a stopper 24 is fixedly connected to the front of the mounting plate 1, a second rotating shaft 3 is connected to the inside of the mounting plate 1 through a bearing, a second gear 31 is fixedly connected to the back of the second rotating shaft 3, a second knob 32 is fixedly connected to the front of the second rotating shaft 3, the second knob 32 contacts the mounting plate 1, and a chain 4 is meshed between the outer sides of the first gear 21 and the second gear 31.

[0022] See also Figure 2-6 The back of the mounting plate 1 is fixedly connected with a protective shell 5, the outer side of the protective shell 5 is fixedly connected with a connecting block 6, the inside of the connecting block 6 is slidably connected with a slider 61, and the side of the slider 61 close to the mounting plate 1 is fixedly connected with a clamping block 62, and a clamping groove 63 is provided inside the mounting plate 1, and the clamping block 62 is slidably connected inside the clamping groove 63, and the clamping block 62 contacts the connecting block 6. Through the design of the clamping block 62, the protective shell 5 can be limited. The inside of the connecting block 6 is fixedly connected with a fixing rod 64, and the slider 61 is slidably sleeved with the fixing rod 64. A spring 65 is arranged on the outer side of the fixing rod 64, one end of the spring 65 contacts the slider 61, and the other end of the spring 65 contacts the connecting block 6. The end of the slider 61 away from the clamping block 62 is fixedly connected with a push block 66, and the push block 66 contacts the connecting block 6. Through the design of the push block 66, the slider 61 can be easily moved. The elastic force of the spring 65 can drive the slider 61 to move, so that the slider 61 drives the clamping block 62 to clamp with the mounting plate 1, so as to limit the protective shell 5 and the protective shell 5 can be installed on the mounting plate 1.

[0023] See also Figure 2-6The front of the mounting plate 1 contacts the limiting frame 7, the limiting frame 7 contacts the first knob 22, a positioning block 71 is fixedly connected to the side of the limiting frame 7 close to the first knob 22, a positioning groove 72 is provided inside the first knob 22, the positioning block 71 is slidably connected inside the positioning groove 72, a threaded rod 73 is connected inside the limiting frame 7 through a bearing, a mounting block 74 is fixedly connected to the front of the mounting plate 1, the mounting block 74 is threadedly connected to the threaded rod 73, a knob 75 is fixedly connected to the lower end of the threaded rod 73, the knob 75 contacts the mounting block 74, a sleeve 76 is fixedly connected to the upper end of the mounting block 74, and a sliding rod 7 is slidably connected inside the sleeve 76 7. The interior of the sleeve 76 is fixedly connected with a limit ring 78, and the limit ring 78 is slidably connected to the slide rod 77. The design of the limit ring 78 can limit the slide rod 77. The end of the slide rod 77 away from the sleeve 76 is fixedly connected to the limit frame 7. By rotating the knob 75, the knob 75 drives the threaded rod 73 to rotate, so that the threaded rod 73 and the mounting block 74 undergo threaded motion, thereby moving the threaded rod 73 in the mounting block 74, and the threaded rod 73 can drive the limit frame 7 to move, so that the limit frame 7 drives the positioning block 71 to move, so that the positioning block 71 slides out of the positioning slot 72 on the first knob 22, and the limit on the first knob 22 can be released.

[0024] The specific implementation process of the utility model is as follows: when in use, by moving the two push blocks 66 in a direction close to each other, the push block 66 drives the slider 61 to move, the slider 61 slides in the fixing rod 64, the slider 61 squeezes the spring 65, and then the protective shell 5 is assembled with the mounting plate 1, the clamping block 62 slides into the clamping groove 63, and then the push block 66 is released, so that the elastic force of the spring 65 drives the slider 61 to move, and the slider 61 drives the clamping block 62 to clamp with the mounting plate 1, so that the protective shell 5 can be limited, and the protective shell 5 can be installed on the mounting plate 1;

[0025] By rotating the knob 75, the knob 75 drives the threaded rod 73 to rotate, so that the threaded rod 73 and the mounting block 74 undergo threaded motion, thereby moving the threaded rod 73 inside the mounting block 74, and the threaded rod 73 can drive the limiting frame 7 to move, and the limiting frame 7 drives the positioning block 71 to move, so that the positioning block 71 slides out of the positioning groove 72 on the first knob 22, and the limit on the first knob 22 can be released. Then, the shifting block 23 is shifted, so that the shifting block 23 drives the first knob 22 to rotate, so that the first knob 22 drives the first rotating shaft 2 to rotate, and the first rotating shaft 2 drives the first gear 21 to rotate, so that the first gear 21 drives the second gear 31 to rotate through the chain 4, and the second gear 31 drives the second rotating shaft 3 to rotate, so that the second rotating shaft 3 drives the second knob 32 to rotate.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A transmission mechanism for an auxiliary switch of an electric power device, comprising a mounting plate (1), characterized in that: The interior of the mounting plate (1) is connected to a first rotating shaft (2) via a bearing, the back side of the first rotating shaft (2) is fixedly connected to a first gear (21), the front side of the first rotating shaft (2) is fixedly connected to a first knob (22), the first knob (22) contacts the mounting plate (1), the outer side of the first knob (22) is fixedly connected to a shift block (23), the front side of the mounting plate (1) is fixedly connected to a stop block (24), the interior of the mounting plate (1) is connected to a second rotating shaft (3) via a bearing, the back side of the second rotating shaft (3) is fixedly connected to a second gear (31), the front side of the second rotating shaft (3) is fixedly connected to a second knob (32), the second knob (32) contacts the mounting plate (1), and chains (4) are meshed on the outer sides of the first gear (21) and the second gear (31).

2. The transmission mechanism of the auxiliary switch of the power equipment according to claim 1, characterized in that: The back of the mounting plate (1) is fixedly connected to a protective shell (5), the outer side of the protective shell (5) is fixedly connected to a connecting block (6), the interior of the connecting block (6) is slidably connected to a slider (61), the side of the slider (61) close to the mounting plate (1) is fixedly connected to a clamping block (62), a clamping groove (63) is provided inside the mounting plate (1), the interior of the connecting block (6) is fixedly connected to a fixing rod (64), the slider (61) is slidably sleeved with the fixing rod (64), a spring (65) is provided on the outer side of the fixing rod (64), one end of the spring (65) is in contact with the slider (61), and the other end of the spring (65) is in contact with the connecting block (6).

3. The transmission mechanism of the auxiliary switch of the power equipment according to claim 2, characterized in that: A clamping block (62) is slidably connected inside the clamping slot (63), and the clamping block (62) is in contact with the connecting block (6).

4. The transmission mechanism of the auxiliary switch of the power equipment according to claim 2, characterized in that: One end of the sliding block (61) away from the clamping block (62) is fixedly connected to a pushing block (66), and the pushing block (66) is in contact with the connecting block (6).

5. The transmission mechanism of the auxiliary switch of the power equipment according to claim 1, characterized in that: The front face of the mounting plate (1) contacts a limiting frame (7), the limiting frame (7) contacts the first knob (22), a positioning block (71) is fixedly connected to a side of the limiting frame (7) close to the first knob (22), a positioning groove (72) is provided inside the first knob (22), the positioning block (71) is slidably connected inside the positioning groove (72), a threaded rod (73) is connected inside the limiting frame (7) via a bearing, and the mounting plate (1) is provided with a plurality of threaded rods (73) disposed inside the limiting frame (7). A mounting block (74) is fixedly connected to the front side, the mounting block (74) is connected to the threaded rod (73) by threads, a knob (75) is fixedly connected to the lower end of the threaded rod (73), the knob (75) contacts the mounting block (74), a sleeve (76) is fixedly connected to the upper end of the mounting block (74), a slide rod (77) is slidably connected inside the sleeve (76), and one end of the slide rod (77) away from the sleeve (76) is fixedly connected to the limiting frame (7).

6. The transmission mechanism of the auxiliary switch of the power equipment according to claim 5, characterized in that: A limiting ring (78) is fixedly connected inside the sleeve (76), and the limiting ring (78) is slidably connected to the sliding rod (77).

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