Fully-coated optimized corona-resistant rubber sleeve structure

Abstract

The utility model relates to the technical field of rubber sleeve structures, in particular to a fully-coated optimized anti-corona rubber sleeve structure which comprises a high-pressure pipe, a rubber sleeve is coated on the upper portion of the high-pressure pipe, a polytetrafluoroethylene pipe is coated on the lower portion of the high-pressure pipe, the polytetrafluoroethylene pipe is of a hollow structure, and a rubber ring is embedded in the lower portion of the polytetrafluoroethylene pipe. According to the fully-coated optimized anti-corona rubber sleeve structure, the middle plastic part is coated with rubber, so that the anti-corona performance of the rubber sleeve structure is improved, and the maximum limit power consumption endurance time is prolonged from 1000 hours to 3000 hours.

Description

Technical Field

[0001] The utility model relates to the technical field of rubber sleeve structures, in particular to a fully-clad optimized anti-corona rubber sleeve structure. Background Technique

[0002] With the continuous progress of society, the automotive industry has developed rapidly. In the new energy vehicle industry, natural gas engines are the core components of new energy vehicles. The ignition of new energy natural gas engines usually requires the use of rubber sleeve structures; most of the current rubber sleeve structures adopt a three-section structure design, with a relatively low cost, but the voltage performance needs to be improved. The ignition voltage of natural gas engines is relatively high, and during the extreme test, the middle black plastic often turns white, which is an appearance abnormality caused by corona, bringing a great impact on the use of the overall product. Summary of the Invention

[0003] The technical problem to be solved by the utility model is: in order to solve the problems existing in the above background technique, a fully-clad optimized anti-corona rubber sleeve structure is provided, which uses rubber to cover the middle plastic part to improve its corona resistance performance, and the maximum limit power consumption endurance time is increased from 1000 hours to 3000 hours.

[0004] The technical solution adopted by the utility model to solve its technical problems is: a fully-clad optimized anti-corona rubber sleeve structure, including a high-pressure pipe, the upper part of the high-pressure pipe is covered with a rubber sleeve, the lower part of the high-pressure pipe is covered with a polytetrafluoroethylene pipe, the polytetrafluoroethylene pipe has a hollow structure, and a rubber ring is embedded at the lower part of the polytetrafluoroethylene pipe.

[0005] Further defined, in the above technical solution, a ring-shaped protrusion is provided on the outer part of the upper part of the high-pressure pipe, a groove is provided at the corresponding position on the inner wall of the rubber sleeve, and the high-pressure pipe is fixedly arranged by being embedded in the groove through the ring-shaped protrusion.

[0006] Further defined, in the above technical solution, the lower part of the high-pressure pipe is provided with a reduced diameter end, and the reduced diameter end is inserted into the upper end of the polytetrafluoroethylene pipe.

[0007] Further defined, in the above technical solution, one or more groups of conical reverse buckles are provided on the outer side of the upper part of the polytetrafluoroethylene pipe along the height direction, and the rubber sleeve is covered on the upper end of the polytetrafluoroethylene pipe.

[0008] Further defined, in the above technical solution, a step is provided on the outer side of the upper part of the polytetrafluoroethylene pipe, and the lower end surface of the rubber sleeve is in contact with the step surface.

[0009] The beneficial effect of the utility model is: the fully-clad optimized anti-corona rubber sleeve structure proposed by the utility model uses rubber to cover the middle plastic part to improve its corona resistance performance, and the maximum limit power consumption endurance time is increased from 1000 hours to 3000 hours. Brief Description of the Drawings

[0010] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments recorded in the present application. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0011] Figure 1 is a structural schematic diagram of the present invention;

[0012] Figure 2 is Figure 1 the cross-sectional structural schematic diagram of

[0013] The reference numerals in the drawings are: 1, high-pressure pipe; 2, rubber sleeve; 3, polytetrafluoroethylene pipe; 4, rubber ring; 5, annular protrusion; 6, groove; 7, reduced diameter end; 8, tapered reverse buckle; 9, step. Detailed Embodiments

[0014] In order to make the technical problems, technical solutions and beneficial effects solved by the present invention clearer, the present invention will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0015] In the present application, the upper part of the high-pressure pipe 1 is covered by the rubber sleeve 2, and the lower part is covered by the polytetrafluoroethylene pipe 3, which can avoid the discoloration phenomenon caused by corona.

[0016] See Figure 1 and Figure 2 The shown fully-covered optimized anti-corona rubber sleeve structure includes a high-pressure pipe 1. The upper part of the high-pressure pipe 1 is covered by a rubber sleeve 2, and the lower part of the high-pressure pipe 1 is covered by a polytetrafluoroethylene pipe 3. The polytetrafluoroethylene pipe 3 has a hollow structure, and a rubber ring 4 is embedded in the lower part of the polytetrafluoroethylene pipe 3.

[0017] Among them, an annular protrusion 5 is provided on the outer surface of the upper part of the high-pressure pipe 1, a groove 6 is provided at the corresponding position on the inner wall of the rubber sleeve 2, and the high-pressure pipe 1 is fixedly arranged by being embedded in the groove 6 through the annular protrusion 5. A reduced diameter end 7 is provided at the lower part of the high-pressure pipe 1, and the reduced diameter end 7 is inserted into the upper end of the polytetrafluoroethylene pipe 3. One or more groups of tapered reverse buckles 8 are provided on the outer side of the upper part of the polytetrafluoroethylene pipe 3 along the height direction, and the rubber sleeve 2 is covered on the upper end of the polytetrafluoroethylene pipe 3. A step 9 is provided on the outer side of the upper part of the polytetrafluoroethylene pipe 3, and the lower end surface of the rubber sleeve 2 is in contact with the step 9 surface.

[0018] The all-inclusive optimized anti-corona rubber sleeve structure of the present application has the following advantages compared with the traditional rubber sleeve structure: The all-inclusive structure of the high-voltage tube 1 can greatly improve its anti-corona performance, avoid discoloration, improve the overall aesthetic appearance of use, and the maximum limit power consumption endurance time is increased from 1000 hours to 3000 hours.

[0019] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, makes equivalent substitutions or changes, and should be covered within the protection scope of the present invention.

Claims

1. Fully coated and optimized anti-corona rubber sleeve structure, characterized by: The invention comprises a high-pressure pipe, wherein the upper part of the high-pressure pipe is covered with a rubber sleeve, the lower part of the high-pressure pipe is covered with a polytetrafluoroethylene pipe, the polytetrafluoroethylene pipe is a hollow structure, and a rubber ring is embedded in the lower part of the polytetrafluoroethylene pipe.

2. The fully coated optimized anti-corona rubber sleeve structure according to claim 1 is characterized in that: An annular protrusion is arranged on the outer portion of the upper portion of the high-pressure pipe, a groove is arranged at a corresponding position on the inner wall of the rubber sleeve, and the high-pressure pipe is embedded in the groove and fixedly arranged through the annular protrusion.

3. The fully-enclosed optimized anti-corona rubber sleeve structure according to claim 1 is characterized in that: A constricted end is arranged at the lower part of the high-pressure pipe, and the constricted end is inserted into the upper end of the polytetrafluoroethylene pipe.

4. The fully-enclosed optimized anti-corona rubber sleeve structure according to claim 3 is characterized in that: One or more groups of conical undercuts are arranged on the outer side of the upper part of the polytetrafluoroethylene tube along the height direction, and the rubber sleeve is arranged to cover the upper end of the polytetrafluoroethylene tube.

5. The fully-encapsulated optimized anti-corona rubber sleeve structure according to claim 4 is characterized in that: A step is arranged on the outer side of the upper part of the polytetrafluoroethylene tube, and the lower end surface of the rubber sleeve contacts the step surface.

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