Electric appliance contact structure capable of realizing uniform heating
By designing a combination of sleeve and connecting cylinder in the electrical contact structure, and using arc plates and springs to achieve uniform heating, the problem of uneven heating of electrical contacts in the prior art is solved, the performance and efficiency of electrical appliances are improved, and the performance and efficiency of electrical appliances are extended service life.
Patent Information
- Application Number
- CN202420867984.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-25
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2034-04-25
AI Technical Summary
It is difficult to achieve uniform heating of existing electrical contact structures when used, resulting in an increase in contact resistance and a vicious cycle of heat, which may eventually lead to burning of contacts, frequent replacement increases maintenance costs and extends electrical downtime.
Design an electrical contact structure including a sleeve and a connecting cylinder. The connecting cylinder is equipped with three round grooves and a curved plate. The electrical contact blocks are cooperated with the spring to achieve uniform heating through the arc plate and the connecting assembly to reduce local overheating. and contact resistance.
Reduce contact resistance through uniform heating, improve electrical performance and efficiency, extend service life, and reduce maintenance costs.
Smart Images
Figure CN222168177U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of electrical appliances, in particular to an electrical appliance contact structure capable of realizing uniform heating. Background Art
[0002] The design and manufacture of electrical contact structures in our daily life is a complex process that requires comprehensive consideration of knowledge from multiple fields such as materials science, electrical engineering, mechanical engineering, and environmental engineering. With the development of electrical technology, the requirements for contact structures are also constantly increasing, including higher current carrying capacity, lower contact resistance, better corrosion resistance, and longer service life.
[0003] The existing electrical contact structure is difficult to achieve uniform heating when in use. Uneven heating will lead to inconsistent temperatures on the contact surface, which will increase contact resistance. The increase in contact resistance will further lead to more heat generation, forming a vicious cycle, which may eventually lead to contact burnout. At the same time, frequent contact replacement not only increases maintenance costs, but may also lead to longer downtime of the appliance. Utility Model Content
[0004] The purpose of the utility model is to provide an electrical contact structure that can achieve uniform heating in order to solve the above-mentioned problem. The three electrical contact blocks and the springs on the sides are provided to achieve uniform heating, thereby solving the problems mentioned in the background technology.
[0005] In order to solve the above problems, the utility model provides a technical solution:
[0006] An electrical contact structure capable of achieving uniform heating comprises a sleeve and a connecting sleeve, wherein the outer surface of the connecting sleeve is movably connected to the interior of the sleeve, the inner wall of the connecting sleeve is provided with three circular grooves, the interiors of the three circular grooves are all slidably connected with electrical contact blocks, one end of the three electrical contact blocks are all fixedly mounted with springs, the outer surfaces of the three circular grooves provided in the connecting sleeve are all movably connected with arc plates, and the sides of the three arc plates are all connected with connecting components for fixing themselves to the outer surface of the connecting sleeve.
[0007] As a preferred solution of the utility model, a groove is provided on the side of the electrical contact block close to the spring, one end of the spring is fixedly installed on the inner wall of the groove, a straight groove is provided on the side of the arc plate, and one end of the spring away from the electrical contact block is fixedly installed on the inner wall of the straight groove.
[0008] As a preferred solution of the utility model, a limit ring is fixedly installed on the outer surface of the electric contact block close to the arc plate, and the limit ring is used to prevent the electric contact block from escaping from the inside of the circular groove. The contact end of the electric contact block is smoothly set.
[0009] As a preferred solution of the utility model, the connecting assembly includes two connecting pins, the outer surfaces of the two connecting pins are movably connected to the inside of the arc plate, the inside of the connecting tube is provided with two connecting grooves, the side of the arc plate in contact with the connecting tube is provided with two threaded grooves corresponding to the connecting grooves, the outer surfaces of the two connecting pins are movably connected to the inside of the corresponding connecting grooves, and the outer surfaces of the two connecting pins are threadedly connected to the inner walls of the corresponding threaded grooves.
[0010] As a preferred solution of the utility model, a rolling curtain ring is fixedly installed on the outer surface of the top end of the connecting tube, a fixing ring is fixedly installed on the top of the sleeve, and the inner wall of the rolling curtain ring is movably connected to the outer surface of the fixing ring.
[0011] As a preferred solution of the utility model, a through groove is provided at the bottom of the sleeve, a limiting pad is fixedly installed on the side of the arc plate away from the connecting tube, and the side of the limiting pad away from the arc plate is tightly fitted to the inner wall of the sleeve.
[0012] The beneficial effects of the utility model are as follows: three circular grooves are arranged inside the connecting cylinder, and connecting components are arranged on the sides of the connecting cylinder close to the three circular grooves, an arc plate is installed through the connecting component, and electric contact blocks are installed inside the three circular grooves, and a spring that can be reset is arranged between the arc plate and the electric contact block. When the electrical appliance moves from the inside of the connecting cylinder, it contacts the electric contact block, and then the spring installed on the side of the electric contact block is pressed, which can achieve uniform heating, reduce local overheating and contact resistance, and thus improve the performance and efficiency of the electrical appliance. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] For ease of explanation, the present invention is described in detail by the following specific implementations and drawings.
[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0015] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model as a whole;
[0016] Figure 3 yes Figure 2 A schematic diagram of the enlarged structure at A;
[0017] Figure 4 It is a schematic diagram of the exploded structure of the connecting cylinder, spring and electric contact block of the utility model;
[0018] Figure 5 yes Figure 4 A schematic diagram of the enlarged structure at B;
[0019] Figure 6It is a structural schematic diagram of the connection assembly, arc plate and electrical contact block of the utility model;
[0020] Figure 7 It is a schematic diagram of the exploded structure of the connection assembly, the arc plate and the electric contact block of the utility model.
[0021] In the figure: 1. sleeve; 2. connecting tube; 3. electrical contact block; 4. rolling shutter ring; 5. through groove; 6. groove; 7. spring; 8. arc plate; 9. fixing ring; 10. circular groove; 11. connecting assembly; 111. connecting nail; 112. connecting groove; 113. threaded groove; 12. straight groove; 13. limit pad. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.
[0023] Example
[0024] See also Figure 1-Figure 7 The utility model provides a technical solution: an electrical contact structure capable of achieving uniform heating, comprising a sleeve 1 and a connecting sleeve 2, the outer surface of the connecting sleeve 2 being movably connected to the interior of the sleeve 1, the inner wall of the connecting sleeve 2 being provided with three circular grooves 10, the interiors of the three circular grooves 10 being slidably connected with electrical contact blocks 3, one end of the three electrical contact blocks 3 being fixedly installed with springs 7, the outer surfaces of the three circular grooves 10 provided with the connecting sleeve 2 being movably connected with arc plates 8, the sides of the three arc plates 8 being connected with connecting components 11 for fixing themselves on the outer surface of the connecting sleeve 2.
[0025] Furthermore, a groove 6 is provided on one side of the electrical contact block 3 close to the spring 7, one end of the spring 7 is fixedly installed on the inner wall of the groove 6, a straight groove 12 is provided on the side of the arc plate 8, and one end of the spring 7 away from the electrical contact block 3 is fixedly installed on the inner wall of the straight groove 12.
[0026] Furthermore, a limit ring is fixedly installed on the outer surface of the electric contact block 3 close to the arc plate 8, and the limit ring is used to prevent the electric contact block 3 from escaping from the inside of the circular groove 10. The contact end of the electric contact block 3 is smoothly set, and the smooth setting can play a smooth function when contacting with the electrical appliance.
[0027] Furthermore, the connecting component 11 includes two connecting pins 111, the outer surfaces of the two connecting pins 111 are movably connected to the inside of the arc plate 8, two connecting grooves 112 are provided inside the connecting tube 2, and two threaded grooves 113 corresponding to the connecting grooves 112 are provided on the side of the arc plate 8 in contact with the connecting tube 2. The outer surfaces of the two connecting pins 111 are movably connected to the corresponding connecting grooves 112, and the outer surfaces of the two connecting pins 111 are threadedly connected to the corresponding inner walls of the threaded grooves 113.
[0028] Furthermore, a rolling curtain ring 4 is fixedly installed on the top outer surface of the connecting tube 2, and a fixing ring 9 is fixedly installed on the top of the sleeve 1. The inner wall of the rolling curtain ring 4 is movably connected to the outer surface of the fixing ring 9. The fixing ring 9 and the rolling curtain ring 4 arranged on the top of the sleeve 1 make the connecting tube 2 and the sleeve 1 have a modular setting.
[0029] Furthermore, a through groove 5 is opened at the bottom of the sleeve 1, and a limiting pad 13 is fixedly installed on the side of the arc plate 8 away from the connecting tube 2. The side of the limiting pad 13 away from the arc plate 8 is tightly fitted to the inner wall of the sleeve 1. The limiting pad 13 can transfer the heat of the electrical contact block 3 to the inside of the sleeve 1, and the through groove 5 opened at the bottom of the sleeve 1 is used for heat dissipation.
[0030] To sum up: when using the present device, first install the arc plate 8, first place the arc plate 8 on the outer surface of the circular groove 10 opened on the connecting tube 2, and use the connecting nail 111 to pass through the inside of the connecting groove 112 to reach the inside of the threaded groove 113, and then rotate the connecting nail 111 to fix the arc plate 8 on the outer surface of the connecting tube 2. When the electrical appliance is used to slide inside the connecting tube 2, it contacts the smooth side of the electrical contact block 3, and the electrical contact block 3 presses the spring 7 installed on the side, so that uniform contact can be achieved and heating can be performed. When the electrical appliance is pulled out, the spring 7 is reset, driving the electrical contact block 3 to slide and reset inside the circular groove 10, preparing for the next use.
[0031] 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. An electrical contact structure capable of achieving uniform heating, comprising a sleeve (1) and a connecting sleeve (2), characterized in that: The outer surface of the connecting tube (2) is movably connected to the interior of the sleeve (1), and the inner wall of the connecting tube (2) is provided with three circular grooves (10), the interiors of the three circular grooves (10) are all slidably connected to electric contact blocks (3), one end of the three electric contact blocks (3) are all fixedly installed with springs (7), the outer surfaces of the three circular grooves (10) provided in the connecting tube (2) are all movably connected to arc plates (8), and the sides of the three arc plates (8) are all connected to connecting components (11) for fixing themselves to the outer surface of the connecting tube (2).
2. An electrical contact structure capable of achieving uniform heating according to claim 1, characterized in that: A groove (6) is provided on a side of the electric contact block (3) close to the spring (7), one end of the spring (7) is fixedly mounted on the inner wall of the groove (6), a straight groove (12) is provided on the side of the arc plate (8), and one end of the spring (7) away from the electric contact block (3) is fixedly mounted on the inner wall of the straight groove (12).
3. The electrical contact structure capable of achieving uniform heating according to claim 1, characterized in that: The electric contact block (3) is fixedly mounted with a limit ring on the outer surface close to the arc-shaped plate (8), and the limit ring is used to prevent the electric contact block (3) from escaping from the inside of the circular groove (10). The contact end of the electric contact block (3) is smoothly arranged.
4. The electrical contact structure capable of achieving uniform heating according to claim 1, characterized in that: The connection assembly (11) comprises two connection pins (111), the outer surfaces of the two connection pins (111) are movably connected to the inside of the arc plate (8), the inside of the connection tube (2) is provided with two connection grooves (112), the side of the arc plate (8) in contact with the connection tube (2) is provided with two thread grooves (113) corresponding to the connection grooves (112), the outer surfaces of the two connection pins (111) are movably connected to the inside of the corresponding connection grooves (112), and the outer surfaces of the two connection pins (111) are threadedly connected to the inner walls of the corresponding thread grooves (113).
5. The electrical contact structure capable of achieving uniform heating according to claim 1, characterized in that: A rolling curtain ring (4) is fixedly mounted on the outer surface of the top end of the connecting tube (2), a fixing ring (9) is fixedly mounted on the top of the sleeve (1), and the inner wall of the rolling curtain ring (4) is movably connected to the outer surface of the fixing ring (9).
6. The electrical contact structure capable of achieving uniform heating according to claim 1, characterized in that: A through groove (5) is provided at the bottom of the sleeve (1), and a limiting pad (13) is fixedly installed on the side of the arc plate (8) away from the connecting tube (2), and the side of the limiting pad (13) away from the arc plate (8) is tightly fitted to the inner wall of the sleeve (1).