Novel sealing sleeve

Abstract

The utility model discloses a novel sealing sleeve which comprises a sealing sleeve body and a high-temperature-resistant layer, the high-temperature-resistant layer adheres to the inner wall of the sealing sleeve body, a pair of first circular grooves is machined in the inner wall of the right end of the high-temperature-resistant layer, and a connecting mechanism is machined in the sealing sleeve body. An oblique thread groove and a pair of first circular grooves are machined in the left end and the right end of the interior of the high-temperature-resistant layer correspondingly, a second circular groove is machined in the outer wall of the left end of the wear-resistant layer, and a cross oil way is machined in the second circular groove and penetrates through the wear-resistant layer, the sealing sleeve body and the high-temperature-resistant layer; in this way, lubricating oil can be added into the sealing sleeve body by matching the cross-shaped oil way with the oblique thread grooves and the like, so that the interior can be lubricated, air and the like can be isolated through the lubricating oil after the lubricating oil is filled into the internal structure of the sealing sleeve body, the interior of the sealing sleeve body has sealing performance, and the sealing effect is better.

Description

Technical Field

[0001] The utility model relates to the technical field of sealing sleeves, in particular to a novel sealing sleeve. Background Art

[0002] The sealing sleeve is an accessory used for sealing. It has the characteristics of corrosion resistance, tear resistance, compression deformation resistance, ozone resistance, sunlight resistance, and weather resistance. The sealing sleeve is widely used in hardware and plastics, water supply and drainage, HVAC, fire protection, pharmaceuticals, ships, and other pipeline systems, automobiles, motorcycles, various machinery, household appliances, electronics, toys, sports equipment, pneumatic components and sanitary ware, etc.

[0003] However, after searching, it was found that most of the sealing sleeves in the prior art are directly processed into a sleeve shape. When such a sealing sleeve is used, the sealing characteristics are set on the outer surface of the sealing sleeve, and the inside of the sealing sleeve does not have sealing properties. Therefore, when assembled with parts, the sealing properties are not good. In view of this, it is very necessary to design a new type of sealing sleeve to solve this problem. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a new type of sealing sleeve, which solves the problem that most sealing sleeves in the prior art are directly processed into a sleeve shape. When such sealing sleeve is in use, the sealing property is set on the outer surface of the sealing sleeve, and the interior thereof does not have sealing properties, so that the sealing properties are not good when assembled with parts.

[0005] To achieve the above purpose, the utility model is implemented through the following technical solutions: a new type of sealing sleeve, including a sealing sleeve body and a high temperature resistant layer, the inner wall of the sealing sleeve body is bonded with the high temperature resistant layer, the right end inner wall of the high temperature resistant layer is processed with a pair of first circular grooves, and the interior of the sealing sleeve body is processed with a connecting mechanism;

[0006] The connecting mechanism comprises a wear-resistant layer fixedly connected to the outer wall of the sealing sleeve body, and a second circular groove is processed on the outer wall of the left end of the wear-resistant layer;

[0007] A cross oil path is processed inside the second circular groove, and the cross oil path runs through the wear-resistant layer, the sealing sleeve body and the high-temperature resistant layer.

[0008] Preferably, the two pairs of through holes of the cross oil circuit are equidistantly distributed in a circle with the midpoint of the sealing sleeve body as the center.

[0009] Preferably, the inner wall of the high temperature resistant layer is processed with an oblique spiral groove.

[0010] Beneficial Effects

[0011] The utility model provides a new sealing sleeve, which has the following beneficial effects:

[0012] A high temperature resistant layer and a wear resistant layer can be respectively provided on the inner wall and the outer wall of the sealing sleeve body. The high temperature resistant layer is made of fluororubber and has the characteristics of heat resistance, acid and alkali resistance and other chemicals resistance, oil resistance and the like. The wear resistant layer is made of polyurethane rubber and has the characteristics of excellent wear resistance, high strength and good aging resistance. In this way, in combination with the sealing sleeve body, the overall service life and application range can be improved. At the same time, an oblique thread groove and a pair of first circular grooves are respectively processed on the left and right ends of the interior of the high temperature resistant layer, a second circular groove is processed on the left end outer wall of the wear resistant layer, and a cross oil path is processed in the second circular groove, and the cross oil path runs through the wear resistant layer, the sealing sleeve body and the high temperature resistant layer. In this way, lubricating oil can be added to the interior of the sealing sleeve body through the cross oil path in combination with the oblique thread groove, etc., so that not only lubrication can be achieved inside, but also after the lubricating oil is filled into the internal structure of the sealing sleeve body, the air can be isolated through the lubricating oil, so that the interior has sealing properties, and thus the sealing effect is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the utility model.

[0014] Figure 2 It is a plan cross-sectional view of the utility model.

[0015] Figure 3 It is a side view of the utility model.

[0016] In the figure: 1. Sealing sleeve body; 2. High temperature resistant layer; 3. Wear resistant layer; 4. Second circular groove; 5. Cross oil passage; 6. First circular groove; 7. Oblique thread groove. DETAILED DESCRIPTION

[0017] 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.

[0018] See also Figure 1-3 The utility model provides a technical solution: a new type of sealing sleeve, comprising a sealing sleeve body 1 and a high temperature resistant layer 2, the inner wall of the sealing sleeve body 1 is bonded with the high temperature resistant layer 2, a pair of first circular grooves 6 are processed on the inner wall of the right end of the high temperature resistant layer 2, and a connecting mechanism is processed inside the sealing sleeve body 1;

[0019] A high temperature resistant layer 2 can be provided on the inner wall of the sealing sleeve body 1. The high temperature resistant layer 2 is made of fluororubber and has the characteristics of heat resistance, acid and alkali resistance and other chemical resistance, oil resistance, etc., so as to improve the high temperature resistance of the sealing sleeve body 1. The sealing sleeve body 1 can be made of natural rubber material with high resilience, so that the sealing performance is better after installation. A pair of first circular grooves 6 are processed on the inner wall of the right end of the high temperature resistant layer 2. At the same time, a pair of first circular grooves 6 can also be processed on the inner walls of the left and right ends of the high temperature resistant layer 2 to form double grooves on both sides to improve the use effect;

[0020] The connection mechanism comprises a wear-resistant layer 3 fixedly connected to the outer wall of the sealing sleeve body 1, and a second circular groove 4 is processed on the outer wall of the left end of the wear-resistant layer 3;

[0021] A wear-resistant layer 3 may be provided on the outer wall of the sealing sleeve body 1. The wear-resistant layer 3 is made of polyurethane rubber and has the characteristics of excellent wear resistance, high strength, and good aging resistance, thereby increasing the service life of the sealing sleeve body 1.

[0022] A cross oil passage 5 is processed inside the second circular groove 4 , and the cross oil passage 5 penetrates the wear-resistant layer 3 , the sealing sleeve body 1 and the high temperature resistant layer 2 .

[0023] This embodiment is further configured such that the two pairs of through holes of the cross oil passage 5 are equidistantly distributed in a circle with the midpoint of the sealing sleeve body 1 as the center;

[0024] In this way, lubricating oil can be added to the inside of the sealing sleeve body 1 through the cross oil passage 5 in conjunction with the oblique thread groove 7, etc., so that not only the inside can be lubricated, but also after the lubricating oil is filled into the internal structure of the sealing sleeve body 1, the air can be isolated by the lubricating oil, so that the inside has sealing properties, thereby having a better sealing effect.

[0025] This embodiment is further configured such that the inner wall of the high temperature resistant layer 2 is processed with an oblique spiral groove 7;

[0026] The inner wall of the high temperature resistant layer 2 may be processed with an oblique spiral groove 7 to facilitate the flow of lubricating oil and cover the interior of the high temperature resistant layer 2 .

[0027] It is worth noting that the models of the electrical structures involved in this application can be selected according to user needs, and only need to meet the use requirements of this application. At the same time, the corresponding control circuits are all existing technologies and can be fully implemented by personnel in this field, so no further details will be given.

[0028] By those skilled in the art, the components in this case are connected in sequence. The specific connection and operation sequence should refer to the following working principle. The detailed connection means are well-known technologies in the field. The following mainly introduces the working principle and process.

[0029] Embodiment: When it is necessary to use this device, a high temperature resistant layer 2 and a wear resistant layer 3 can be respectively provided on the inner wall and the outer wall of the sealing sleeve body 1. The high temperature resistant layer 2 is made of fluororubber and has the characteristics of heat resistance, acid and alkali resistance and other chemicals, oil resistance, etc. The wear resistant layer 3 is made of polyurethane rubber and has the characteristics of excellent wear resistance, high strength and good aging resistance. In this way, the overall service life and application range can be improved by cooperating with the sealing sleeve body 1. At the same time, an oblique thread groove 7 and a pair of first circular grooves 6 are respectively processed on the left and right ends of the interior of the high temperature resistant layer 2, a second circular groove 4 is processed on the outer wall of the left end of the wear resistant layer 3, and a cross oil path 5 is processed in the second circular groove 4, and the cross oil path 5 runs through the wear resistant layer 3, the sealing sleeve body 1 and the high temperature resistant layer 2. In this way, lubricating oil can be added to the interior of the sealing sleeve body 1 through the cross oil path 5 in combination with the oblique thread groove 7, etc., so that not only lubrication can be achieved inside, but also after the lubricating oil is filled into the internal structure of the sealing sleeve body 1, the air can be isolated through the lubricating oil, so that the interior has sealing properties, so the sealing effect is better.

[0030] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[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. A novel sealing sleeve, comprising a sealing sleeve body (1) and a high temperature resistant layer (2), wherein the inner wall of the sealing sleeve body (1) is bonded with the high temperature resistant layer (2), characterized in that: A pair of first circular grooves (6) are machined on the inner wall of the right end of the high temperature resistant layer (2), and a connecting mechanism is machined inside the sealing sleeve body (1); The connection mechanism comprises a wear-resistant layer (3) fixedly connected to the outer wall of the sealing sleeve body (1), and a second circular groove (4) is processed on the outer wall of the left end of the wear-resistant layer (3); A cross oil passage (5) is machined inside the second circular groove (4), and the cross oil passage (5) penetrates the wear-resistant layer (3), the sealing sleeve body (1) and the high-temperature resistant layer (2).

2. A new sealing sleeve according to claim 1, characterized in that: The two pairs of through holes of the cross oil passage (5) are equidistantly distributed in a circle with the midpoint of the sealing sleeve body (1) as the center.

3. A new sealing sleeve according to claim 1, characterized in that: The inner wall of the high temperature resistant layer (2) is processed with an oblique spiral groove (7).

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