Power distribution rotary switch
By using limit racks and return springs in the distribution rotary switch, the problem that the multi-speed switch shaft is easily touched by mistake and changed gear is solved, which improves the safety and convenience of the equipment and enhances maintainability.
Patent Information
- Application Number
- CN202421660792.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-15
- Publication Date
- 2025-05-16
- Estimated Expiration
- 2034-07-15
AI Technical Summary
The multi-speed switch shaft on the existing distribution box is easily touched by staff accidentally, resulting in changes in output power, increasing the risk of safety accidents, and not convenient for maintenance and maintenance.
A distribution rotary switch is designed, adopting structures such as limit racks and return springs. Through the coordination of the buffer spring and return spring, it avoids accidental collision and changes gear position, and automatically resets after accidental rotation.
It improves the safety of the equipment, avoids the gear change of the switch shaft outer wall caused by accidental collision, simplifies the operation process, and enhances the convenience and maintainability of the equipment.
Smart Images
Figure CN222883431U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of multi-stage switch shafts, in particular to a power distribution rotary switch. Background Art
[0002] As the name implies, a multi-speed switch shaft can be turned on and off in multiple gears. It also refers to an electronic component that can open a circuit, interrupt current or make it flow to other circuits. It is a component used to connect and disconnect different functions of the circuit.
[0003] The multi-speed switch shaft on the existing distribution box is installed on the distribution box for use. In this way, it is easy for the staff to accidentally touch the switch shaft when operating near the distribution box, causing the output power of the distribution box to change, thereby resulting in the personal safety of the staff cannot be guaranteed to a certain extent, making safety accidents prone to occur and inconvenient for the staff to carry out inspection and maintenance. Therefore, a distribution rotary switch is proposed. Utility Model Content
[0004] The utility model provides the following technical solution: a power distribution rotary switch, comprising a connecting box and a rotating mechanism, the outer wall of the connecting box is provided with a dust cover, the inner wall of the dust cover is sleeved with a connecting column, the outer wall of the connecting column is fixedly connected with a switch shaft, the outer wall of the switch shaft is fixedly connected with a pointer, the connecting column is fixedly connected with a first telescopic rod on a side away from the switch shaft, the first telescopic rod is fixedly connected with a connecting platform on a side away from the connecting column, a buffer spring is sleeved with an outer wall of the first telescopic rod, the connecting platform is fixedly connected with an extrusion disk on a side away from the first telescopic rod, a limiting groove is provided on the outer wall of the limiting groove, a connecting rod is fixedly connected to the outer wall of the connecting rod, the limiting column is fixedly connected to the outer wall of the connecting rod, a shift rod is provided on the inner wall of the limiting column, and a block is fixedly connected to the inner wall of the limiting column.
[0005] As a preferred technical solution of the utility model, a disk body fixing groove is opened on the outer wall of the connecting box body, a disk body is sleeved on the inner wall of the disk body fixing groove, a plurality of fixed base blocks are fixedly connected to the inner wall of the disk body, and the plurality of fixed base blocks are distributed in a circular array on the inner wall of the disk body.
[0006] As a preferred technical solution of the utility model, the inner wall of the fixed base block is fixedly connected with a connecting ring, the inner wall of the connecting ring is fixedly connected with a limiting rack, and the outer wall of the extrusion disk is provided with a pressing mechanism.
[0007] As a preferred technical solution of the utility model, the inner wall of the limiting groove is sleeved with a limiting disc, the limiting disc is fixedly connected to a second telescopic rod on the side away from the extrusion disc, and the outer wall of the second telescopic rod is sleeved with a reset spring.
[0008] As a preferred technical solution of the utility model, the limiting racks are distributed on the inner wall of the connecting ring in a circular array, and the height of the limiting racks is much smaller than the height of the connecting ring.
[0009] As a preferred technical solution of the utility model, a plurality of indicating scales are fixedly connected to the outer wall of the dust cover, and the plurality of indicating scales are distributed on the outer wall of the dust cover in a circular array.
[0010] Compared with the prior art, the utility model has the following beneficial effects:
[0011] 1. For the power distribution rotary switch, since the height of the limit rack is much smaller than the height of the connecting ring, when the worker presses down the equipment, the reset spring and the buffer spring will be pressed down by force, so that the lever can contact the limit rack, avoiding the situation where the outer wall of the switch shaft is accidentally touched during work and the gear position is changed, which greatly improves safety.
[0012] 2. The power distribution rotary switch is equipped with a reset spring and a buffer spring inside the device. Since the reset spring and the disk body are integrated, the switch shaft can be reset after the worker accidentally rotates the outer wall of the switch shaft without causing any impact. The worker only needs to press down the switch shaft to adjust the gear position when a change is needed, making the operation of the equipment convenient. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a three-dimensional structural schematic diagram of a power distribution rotary switch;
[0014] Figure 2 It is a structural schematic diagram of a disk fixing slot in a power distribution rotary switch;
[0015] Figure 3 It is a structural schematic diagram of a disk body in a power distribution rotary switch;
[0016] Figure 4 It is a structural schematic diagram of a rotating pointer mechanism in a power distribution rotary switch;
[0017] Figure 5 The figure is a schematic diagram of the structure of a downward pressing mechanism in a power distribution rotary switch.
[0018] In the figure: 1. connecting box; 2. dust cover; 3. indicating scale; 4. rotating mechanism; 41. switch shaft; 42. connecting column; 43. first telescopic rod; 44. buffer spring; 45. connecting platform; 46. extrusion disk; 47. limiting groove; 48. connecting rod; 49. limiting column; 410. lever; 411. block; 412. pointer; 5. disk body fixing groove; 6. disk body; 7. fixing base block; 8. connecting ring; 9. pressing mechanism; 91. limiting disk; 92. second telescopic rod; 93. reset spring; 10. limiting rack. DETAILED DESCRIPTION
[0019] 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.
[0020] See also Figure 1-5A power distribution rotary switch comprises a connecting box 1 and a rotating mechanism 4, wherein the outer wall of the connecting box 1 is provided with a dust cover 2, the outer wall of the dust cover 2 is fixedly connected with a plurality of indicating scales 3, and the plurality of indicating scales 3 are distributed in a circumferential array on the outer wall of the dust cover 2, the inner wall of the dust cover 2 is sleeved with a connecting column 42, the outer wall of the connecting column 42 is fixedly connected with a switch shaft 41, the outer wall of the switch shaft 41 is fixedly connected with a pointer 412, the connecting column 42 is fixedly connected with a first telescopic rod 43 on a side away from the switch shaft 41, the first telescopic rod 43 is fixedly connected with a connecting platform 45 on a side away from the connecting column 42, the outer wall of the first telescopic rod 43 is sleeved with a buffer spring 44, the connecting platform 45 A squeeze disk 46 is fixedly connected to the side away from the first telescopic rod 43, and a limiting groove 47 is provided on the outer wall of the squeeze disk 46. A connecting rod 48 is fixedly connected to the outer wall of the limiting groove 47. A limiting column 49 is fixedly connected to the outer wall of the connecting rod 48. A lever 410 is provided on the inner wall of the limiting column 49. A stopper 411 is fixedly connected to the inner wall of the limiting column 49, wherein the stopper 411 can block the lever 410. When the lever 410 is in contact and fixed with the limiting rack 10, the stopper 411 can effectively prevent the lever 410 from being offset and reset. After being subjected to pressure, the buffer spring 44 will release its elastic force to reset the switch shaft 41. A disc is provided on the outer wall of the connecting box 1 The fixing groove 5 is sleeved with the disc body 6 on the inner wall of the disc body fixing groove 5, and the inner wall of the disc body 6 is fixedly connected with a plurality of fixing base blocks 7, and the plurality of fixing base blocks 7 are distributed in a circular array on the inner wall of the disc body 6, wherein the disc body fixing groove 5 can provide a fixed position for the disc body fixing groove 5, and the inner wall of the fixing base block 7 is fixedly connected with a connecting ring 8, and the inner wall of the connecting ring 8 is fixedly connected with a limiting rack 10, and the outer wall of the extrusion disc 46 is provided with a pressing mechanism 9, wherein the paired fixing base blocks 7 can limit the connecting ring 8, and the limiting racks 10 are distributed in a circular array on the inner wall of the connecting ring 8, and the height of the limiting rack 10 is much smaller than the height of the connecting ring 8, when the worker presses down the equipment The return spring 93 and the buffer spring 44 will be pressed downward by force, so that the lever 410 can contact the limit rack 10, which can avoid the situation where the outer wall of the switch shaft changes the gear due to accidental contact. The inner wall of the limit groove 47 is sleeved with a limit disk 91, and the limit disk 91 is fixedly connected with a second telescopic rod 92 on the side away from the extrusion disk 46. The outer wall of the second telescopic rod 92 is sleeved with a return spring 93, wherein the limit groove 47 opened outside the extrusion disk 46 can limit the limit disk 91 arranged inside it, and the return spring 93 connected to the disk body 6 can effectively prevent the switch shaft from rotating and deviating from the original direction after the worker accidentally turns the outer wall of the switch shaft.
[0021] Working principle: when the device needs to be used, the worker presses the switch shaft 41 downward to cause the buffer spring 44 and the return spring 93 to shrink downward. When they shrink to the appropriate position, the lever 410 will contact and be fixed with the limit rack 10. When the worker completes the adjustment, stop applying pressure to the switch shaft 41, and the buffer spring 44 and the return spring 93 will release the pressure to reset the limit column 49.
[0022] 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 power distribution rotary switch, comprising a connection box (1) and a rotating mechanism (4), characterized in that: The outer wall of the connection box (1) is provided with a dust cover (2), the inner wall of the dust cover (2) is sleeved with a connection column (42), the outer wall of the connection column (42) is fixedly connected to a switch shaft (41), the outer wall of the switch shaft (41) is fixedly connected to a pointer (412), the connection column (42) is fixedly connected to a first telescopic rod (43) on a side away from the switch shaft (41), the first telescopic rod (43) is fixedly connected to a connection platform (45) on a side away from the connection column (42), and the first telescopic rod (43) is fixedly connected to a connection platform (45) on a side away from the connection column (42). The outer wall of the connecting platform (43) is sleeved with a buffer spring (44); the connecting platform (45) is fixedly connected with an extrusion disk (46) on a side away from the first telescopic rod (43); the outer wall of the extrusion disk (46) is provided with a limiting groove (47); the outer wall of the limiting groove (47) is fixedly connected with a connecting rod (48); the outer wall of the connecting rod (48) is fixedly connected with a limiting column (49); the inner wall of the limiting column (49) is provided with a shifting rod (410); and the inner wall of the limiting column (49) is fixedly connected with a stopper (411).
2. A power distribution rotary switch according to claim 1, characterized in that: The outer wall of the connection box (1) is provided with a disk body fixing groove (5), the inner wall of the disk body fixing groove (5) is sleeved with a disk body (6), the inner wall of the disk body (6) is fixedly connected with a plurality of fixing base blocks (7), and the plurality of fixing base blocks (7) are distributed on the inner wall of the disk body (6) in a circular array.
3. A power distribution rotary switch according to claim 2, characterized in that: The inner wall of the fixed base block (7) is fixedly connected to a connecting ring (8), the inner wall of the connecting ring (8) is fixedly connected to a limiting rack (10), and the outer wall of the extrusion disk (46) is provided with a pressing mechanism (9).
4. A power distribution rotary switch according to claim 3, characterized in that: The inner wall of the limiting groove (47) is sleeved with a limiting disc (91), and the limiting disc (91) is fixedly connected to a second telescopic rod (92) on a side away from the extrusion disc (46), and the outer wall of the second telescopic rod (92) is sleeved with a return spring (93).
5. A power distribution rotary switch according to claim 3, characterized in that: The limiting racks (10) are distributed in a circular array on the inner wall of the connecting ring (8), and the height of the limiting racks (10) is much smaller than the height of the connecting ring (8).
6. A power distribution rotary switch according to claim 1, characterized in that: The outer wall of the dust sealing cover (2) is fixedly connected with a plurality of indicating scales (3), and the plurality of indicating scales (3) are distributed on the outer wall of the dust sealing cover (2) in a circular array.