Rubber sealing ring with excellent insulating property

Abstract

The utility model relates to the technical field of sealing rings. The utility model discloses a rubber sealing ring with excellent insulating property, which comprises an insulating sleeve, a rubber ring fixedly connected to the inner wall of the insulating sleeve, a side lip fixedly connected to the outer side of the insulating sleeve, a dustproof ring fixedly connected to the outer side of the insulating sleeve, and a sealing ring fixedly connected to the outer side of the dustproof ring. A pressing ring is fixedly connected to the side, away from the dustproof ring, of the insulation sleeve, a fastening assembly is clamped to the inner side of the insulation sleeve, and in the fastening assembly, one end of an insertion rod is fixed to the annular ring, the other end of the insertion rod is inserted into the inner side of the annular ring and can slide relative to a protection ring in the annular ring. Therefore, the annular ring can effectively transmit the elastic force of the extension spring to the insertion rod, the insertion rod is matched with the annular ring to fasten the sealing ring, and the sealing ring is prevented from loosening due to factors such as vibration and pressure change.

Description

TECHNICAL FIELD

[0001] The utility model relates to sealing ring technical field, concretely is a rubber sealing ring with excellent insulating performance. BACKGROUND

[0002] In the modern industrial field, rubber sealing ring as a kind of key sealing component, is widely used in various mechanical equipment, pipeline system and electrical equipment etc.

[0003] In prior art, during the operation of equipment, factors such as vibration and pressure change can cause the sealing ring to loosen, thereby reducing the sealing performance, increasing the risk of liquid, gas leakage or impurity intrusion. The existing sealing ring fastening structure is often not reliable enough, and cannot effectively resist the influence of these external factors. INVENTION CONTENTS

[0004] (I) technical problem solved

[0005] In view of the deficiencies of prior art, the utility model provides a rubber sealing ring with excellent insulating performance, which solves the problem that the existing sealing ring may loosen during the operation of equipment.

[0006] (II) technical scheme

[0007] To achieve the above purpose, the utility model realizes through the following technical scheme: a rubber sealing ring with excellent insulating performance, comprising an insulating sleeve, the inner wall of the insulating sleeve is fixedly connected with a rubber ring, further comprising: the outer side of the insulating sleeve is fixedly connected with a side lip, the outer side of the insulating sleeve is fixedly connected with a dustproof ring, the side of the insulating sleeve away from the dustproof ring is fixedly connected with a compression ring, the inner side of the insulating sleeve is clamped with a fastening assembly, the insulating sleeve is a mixture of one or more of nanometer silicon dioxide, nanometer aluminum oxide and nanometer zinc oxide, and the addition amount of nanometer insulating filler is 5%-15% of the total mass of rubber material, which can effectively improve the insulating performance of the sealing ring and prevent the occurrence of electric leakage and insulation breakdown phenomenon;

[0008] The fastening assembly comprises an annular ring, the outer side of the annular ring is movably installed with a plug rod, the outer side of the plug rod is fixedly connected with a tension spring, the inner side of the annular ring is fixedly connected with a protective ring, wherein one end of the plug rod is fixed with the annular ring, the other end is inserted into the inner side of the annular ring, and can slide relative to the protective ring in the annular ring.

[0009] Preferably, the outer side of the insulating sleeve is fixedly connected with an inner ring, the inner ring is located between the dustproof ring and the compression ring, the dustproof ring can effectively prevent impurities from contacting other components inside the sealing ring, avoid the performance of the sealing ring from being reduced due to the abrasion or corrosion of impurities, the cross section of the inner ring is triangular, the sealing effect of the sealing ring can be more stable, and the compression ring can make the sealing ring more closely attached to the mounting part, and the sealing performance is further enhanced.

[0010] Preferably, a clamping groove is formed in the wall of the insulating sleeve, when the side lip on the outer side of the insulating sleeve is clamped in the clamping groove, the fastening assembly can be protected, and the sealing effect is further enhanced, and impurities such as external liquid and gas are prevented from invading the inside of the fastening assembly from the side.

[0011] Preferably, the inner side of the insulating sleeve is clamped with the outer side of the annular ring through a mounting groove, and the mounting groove is formed in the wall of the insulating sleeve, the annular ring is used as the basic structure of the fastening assembly, the outer diameter of the annular ring is matched with the size of the mounting groove, so that the fastening assembly can be accurately mounted at a specific position on the inner side of the insulating sleeve.

[0012] Preferably, the outer wall of the insertion rod is slidably connected with the inner side of the protection ring, one end of the extension spring away from the insertion rod is fixedly connected with the inner side of the annular ring, the annular ring can effectively transmit the elastic force of the extension spring to the insertion rod, and the insertion rod and the annular ring cooperate to realize the fastening effect on the sealing ring.

[0013] (Three) beneficial effects

[0014] The utility model provides a rubber sealing ring with excellent insulation performance. Has the following beneficial effects:

[0015] (One), the sealing ring is provided with a fastening assembly, one end of an insertion rod in the fastening assembly is fixed with an annular ring, the other end is inserted into the inner side of the annular ring, and can slide relative to the protection ring in the annular ring, therefore the annular ring can effectively transmit the elastic force of the extension spring to the insertion rod, the insertion rod and the annular ring cooperate to realize the fastening effect on the sealing ring, and prevent the sealing ring from loosening due to factors such as vibration and pressure change.

[0016] (Two), the sealing ring is provided with an insulating sleeve, the insulating sleeve is a mixture of one or more of nanometer silicon dioxide, nanometer aluminum oxide and nanometer zinc oxide, and the addition amount of the nanometer insulation filler is 5%-15% of the total mass of the rubber material, the insulating sleeve can effectively improve the insulation performance of the sealing ring, prevent the occurrence of electric leakage and insulation breakdown, when the side lip on the outer side of the insulating sleeve is clamped in the clamping groove, the fastening assembly can be protected, the sealing effect is further enhanced, and impurities such as external liquid and gas are prevented from invading the inside of the fastening assembly from the side. DRAWINGS

[0017] Figure 1 It is the overall structure schematic view of the utility model.

[0018] Figure 2 It is the internal structure schematic view of the utility model;

[0019] Figure 3 It is the explosion drawing of the utility model;

[0020] Figure 4 It is the structure schematic view of A place of the utility model; Figure 3

[0021] Figure 5 It is the structure schematic view of fastening assembly of the utility model;

[0022] Figure 6 It is the structure schematic view of B place of the utility model; Figure 5

[0023] In the drawing: 1, insulating sleeve; 2, rubber ring; 3, side lip; 4, dustproof ring; 5, inner ring; 6, compression ring; 7, installation groove; 8, clamping groove; 9, fastening assembly; 91, annular ring; 92, insertion rod; 93, protection ring; 94, tension spring. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] Embodiment: please refer to Figures 1-6 ​​The utility model provides a technical scheme: a rubber seal ring with excellent insulation performance, including insulation sleeve 1, the inner wall fixed connection of insulation sleeve 1 has rubber ring 2, still including: the outside fixed connection of insulation sleeve 1 has side lip 3, the outside fixed connection of insulation sleeve 1 has dustproof ring 4, the side fixed connection of insulation sleeve 1 away from dustproof ring 4 has compression ring 6, the inside of insulation sleeve 1 is connected with fastening assembly 9 by clamping, the outside fixed connection of insulation sleeve 1 has inner ring 5, and inner ring 5 is located between dustproof ring 4 and compression ring 6, and the wall of insulation sleeve 1 is provided with clamping groove 8, utilizes the good elastic deformation ability of rubber ring 2, makes insulation sleeve 1 and installation part closely, plays the primary sealing effect, prevents the leakage of liquid or gas, and insulation sleeve 1 is the mixture of one or more of nanometer silicon dioxide, nanometer aluminium oxide, nanometer zinc oxide, and the added amount of nanometer grade insulation filler is 5%-15% of the total mass of rubber material, which can effectively improve the insulation performance of the seal ring, prevent the occurrence of electric leakage and insulation breakdown phenomenon;When the side lip 3 of the outside of insulation sleeve 1 is clamped in the clamping groove 8, the fastening assembly 9 can be protected, the sealing effect is further strengthened, and the impurities such as liquid, gas and the like from the side are prevented from invading the inside of the fastening assembly 9;The dustproof ring 4 can effectively prevent the impurities from contacting other components inside the seal ring, avoid the performance of the seal ring from being reduced due to the abrasion or erosion of the impurities, the cross section of the inner ring 5 is triangular, the sealing effect of the seal ring can be more stable, the compression ring 6 can make the seal ring and the installation part more closely, and the sealing performance is further enhanced.

[0026] The fastening assembly 9 comprises an annular ring 91, an insertion rod 92 movably mounted on the outer side of the annular ring 91, a tension spring 94 fixedly connected to the outer side of the insertion rod 92, a protective ring 93 fixedly connected to the inner side of the annular ring 91, and an installation groove 7 formed in the wall of the insulation sleeve 1 and used for clamping the outer side of the annular ring 91, the outer wall of the insertion rod 92 is slidably connected to the inner side of the protective ring 93, one end of the tension spring 94 away from the insertion rod 92 is fixedly connected to the inner side of the annular ring 91, and the annular ring 91 is used as the basic structure of the fastening assembly 9, the outer diameter of the annular ring 91 is matched with the size of the installation groove 7, so that the fastening assembly 9 can be accurately installed at a specific position on the inner side of the insulation sleeve 1, in the fastening assembly 9, one end of the insertion rod 92 is fixed to the annular ring 91, the other end of the insertion rod 92 is inserted into the inner side of the annular ring 91, and can slide relative to the protective ring 93 in the annular ring 91, so that the annular ring 91 can effectively transmit the elastic force of the tension spring 94 to the insertion rod 92, the insertion rod 92 and the annular ring 91 are matched to realize the fastening effect on the seal ring, and the seal ring is prevented from loosening due to factors such as vibration and pressure change.

[0027] In use, the rubber ring 2 is deformed elastically to tightly fit the insulation sleeve 1 with the installation part, to play a preliminary sealing role, to prevent liquid or gas leakage. The insulation sleeve 1 is a mixture of one or more of nano-silicon dioxide, nano-aluminum oxide and nano-zinc oxide, and the addition amount of the nano-level insulation filler is 5%-15% of the total mass of the rubber material. The insulation sleeve 1 can effectively improve the insulation performance of the sealing ring and prevent the occurrence of electric leakage and insulation breakdown.

[0028] When the side lip 3 on the outside of the insulation sleeve 1 is clamped in the clamping groove 8, the fastening assembly 9 can be protected, and the sealing effect is further enhanced to prevent external liquid, gas and other impurities from invading the inside of the fastening assembly 9 from the side.

[0029] The dustproof ring 4 can effectively prevent impurities from contacting other components inside the sealing ring, and avoid performance degradation of the sealing ring due to abrasion or erosion of impurities. The cross section of the inner ring 5 is triangular, which can make the sealing effect of the sealing ring more stable. The compression ring 6 can make the sealing ring more tightly fit with the installation part, and further enhance the sealing performance.

[0030] The annular ring 91 is the basic structure of the fastening assembly 9, and its outer diameter is matched with the size of the installation groove 7, so that the fastening assembly 9 can be accurately installed at a specific position inside the insulation sleeve 1. In the fastening assembly 9, one end of the insertion rod 92 is fixed with the annular ring 91, and the other end is inserted into the inside of the annular ring 91 and can slide relative to the protection ring 93 in the annular ring 91. Therefore, the annular ring 91 can effectively transmit the elastic force of the tension spring 94 to the insertion rod 92. The insertion rod 92 cooperates with the annular ring 91 to realize the fastening effect of the sealing ring, and prevent the sealing ring from loosening due to factors such as vibration and pressure change.

[0031] It should be noted that the relational terms herein such as first and second are used only to distinguish one entity or operation from another entity or operation without necessarily requiring or implying any such actual relationship or order between such entities or operations. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, so that a process, method, article, or apparatus that includes a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without more limitations, an element defined by the statement "comprises a" does not exclude the presence of additional identical elements in the process, method, article, or apparatus that includes the element.

[0032] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A rubber sealing ring with excellent insulation performance, comprising an insulation sleeve (1), an inner wall of the insulation sleeve (1) is fixedly connected with a rubber ring (2), characterized in that, Also include: The outer side of the insulating sleeve (1) is fixedly connected with side lip (3), the outer side of the insulating sleeve (1) is fixedly connected with dustproof ring (4), the side of the insulating sleeve (1) away from dustproof ring (4) is fixedly connected with compression ring (6), the inner side of the insulating sleeve (1) is clamped with fastening assembly (9); The fastening assembly (9) includes annular ring (91), the outer side of the annular ring (91) movably installs plug rod (92), the outer side of the plug rod (92) is fixedly connected with tension spring (94), the inner side of the annular ring (91) is fixedly connected with protective ring (93).

2. The rubber seal ring with excellent insulation performance according to claim 1, characterized in that: The outer side of the insulating sleeve (1) is fixedly connected with inner ring (5), the inner ring (5) is located between dustproof ring (4) and compression ring (6).

3. The rubber seal ring with excellent insulation performance according to claim 1, characterized in that: The wall of the insulating sleeve (1) is provided with clamping groove (8).

4. The rubber seal ring with excellent insulation performance according to claim 1, characterized in that: The inner side of the insulating sleeve (1) is clamped with the outer side of annular ring (91) through mounting groove (7), and the mounting groove (7) is provided in the wall of the insulating sleeve (1).

5. The rubber seal ring with excellent insulation performance according to claim 1, characterized in that: The outer wall of the plug rod (92) is slidably connected with the inner side of the protective ring (93).

6. The rubber seal ring with excellent insulation performance according to claim 1, characterized in that: The end of the tension spring (94) away from the plug rod (92) is fixedly connected with the inner side of the annular ring (91).

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