Three-petal type carbon ring sealing structure

Abstract

The utility model provides a three-petal type carbon ring sealing structure, which relates to the technical field of sealing structures and comprises a connecting mechanism, a main body mechanism is arranged on the inner surface wall of the connecting mechanism, and the main body mechanism comprises a shaft sleeve. According to the utility model, under the cooperation of the connecting mechanism and the splitting mechanism, firstly, the dustproof ring and the three-petal type carbon ring are respectively placed in the lower notch I and the lower notch II, and the bolt is aligned with the hole II, so that the installation is more accurate, and the upper shell is pressed downwards, so that the fancy calyx shell is in contact with the lower shell, and the dustproof ring and the three-petal type carbon ring are separated from each other. And secondly, the first screw penetrates through the first hole and the third hole, so that installation and assembly are more convenient, special tools are not needed, adaptability is high, the installation requirement is low, and replacement is rapid.

Description

Technical Field

[0001] The utility model relates to the technical field of sealing structures, in particular to a three-petal carbon ring sealing structure. Background Art

[0002] Carbon ring seal is a kind of floating seal, named because of its material of carbon. The structure of carbon ring seal includes an annular sealing cavity and an annular sleeve. There is an annular groove in the sealing cavity, and at least two annular graphite sealing rings with rectangular cross-section are installed in the groove. Carbon ring seal is widely used because of its simple operation and maintenance and good sealing performance.

[0003] The existing carbon ring sealing structure has poor adaptability during use, and has strict installation requirements and is troublesome to install. Improper installation may result in reduced sealing performance. Utility Model Content

[0004] The utility model aims to solve the problem that the existing carbon ring sealing structure is troublesome to install when the above equipment is in use, and improper installation may lead to reduced sealing performance, and proposes a three-petal carbon ring sealing structure.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions: a three-petal carbon ring sealing structure, comprising a connecting mechanism, wherein the inner surface wall of the connecting mechanism is provided with a main body mechanism;

[0006] The connecting mechanism comprises a lower shell, the top of the lower shell is provided with two lower notches 1, and the top of the lower shell is provided with two lower notches 2.

[0007] Preferably, dust rings are provided on the inner walls of the two lower notches 1, and two connecting plates 1 are fixedly mounted on the outer wall of the lower shell.

[0008] Preferably, a hole 1 is provided on the top of each of the two connecting plates 1, four latches are fixedly installed on the top of the lower shell, and an upper shell is arranged on the top of the lower shell.

[0009] Preferably, two upper notches 1 are provided at the bottom of the upper shell, two upper notches 2 are provided at the bottom of the upper shell, and four holes 2 are provided at the bottom of the upper shell.

[0010] Preferably, two connecting plates 2 are fixedly mounted on the outer wall of the upper shell, holes 3 are provided on the tops of the two connecting plates 2, and screws 1 are threadedly connected to the inner walls of the two holes 3.

[0011] Preferably, the main body mechanism includes a shaft sleeve, the outer wall of the shaft sleeve is movable with a fixing ring, the outer wall of the fixing ring is provided with two holes four, the inner walls of the two holes four are threadedly connected with screws two, and the outer wall of the shaft sleeve is movable with two three-petal carbon rings.

[0012] Preferably, the outer surfaces of the two three-petal carbon rings are inserted into the two lower notches 2, the inner surface of the sleeve is inserted into the lower shell, and the inner surface of the sleeve is inserted into the upper shell.

[0013] Compared with the prior art, the advantages and positive effects of the utility model are:

[0014] 1. In the utility model, with the cooperation of the connecting mechanism and the disassembling mechanism, the dust ring and the three-petal carbon ring are first placed inside the lower notch 1 and the lower notch 2 respectively, and the installation is made more accurate by aligning the pin with the hole 2, and the upper shell is pressed downward to make the shell of the flower-sprinkling girl contact with the lower shell. Secondly, the screw 1 is passed through the hole 1 and the hole 3 to make it easier to install, easy to assemble, no special tools are required, strong adaptability, low installation requirements and quick replacement.

[0015] 2. In the utility model, with the cooperation of the main mechanism, when the equipment is in normal use, the shaft sleeve is limited and fixed by screw 2 passing through hole 4 on the outer wall of the fixing ring. Secondly, the outer wall movable sleeve of the shaft sleeve is provided with two three-petal carbon rings. The installation requirements of the three-petal carbon rings are relatively low. Even if the operator does not have professional skills, the installation can be successfully completed, making the sealing structure more applicable. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The utility model provides a three-petal carbon ring sealing structure in a main structural stereogram;

[0017] Figure 2 The utility model provides a three-dimensional diagram of the connection mechanism in a three-petal carbon ring sealing structure;

[0018] Figure 3 A schematic diagram of the disassembly of a connection mechanism in a three-petal carbon ring sealing structure proposed by the utility model;

[0019] Figure 4 The utility model provides a three-dimensional diagram of the main mechanism of a three-petal carbon ring sealing structure.

[0020] Legend:

[0021] 1. Connecting mechanism; 101. Lower housing; 102. Lower notch 1; 103. Lower notch 2; 104. Dust ring; 105. Connecting plate 1; 106. Hole 1; 107. Latch; 108. Upper housing; 109. Upper notch 1; 110. Upper notch 2; 111. Hole 2; 112. Connecting plate 2; 113. Hole 3; 114. Screw 1;

[0022] 2. Main body; 201. Bushing; 202. Fixing ring; 203. Hole four; 204. Screw two; 205. Three-petal carbon ring. DETAILED DESCRIPTION

[0023] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0024] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0025] Embodiment 1, as Figure 1-Figure 4 As shown, the utility model provides a three-petal carbon ring sealing structure, comprising a connecting mechanism 1, and a main body mechanism 2 is arranged on the inner surface wall of the connecting mechanism 1;

[0026] The connecting mechanism 1 includes a lower shell 101, the top of the lower shell 101 is provided with two lower notches 102, the top of the lower shell 101 is provided with two lower notches 103, the inner walls of the two lower notches 102 are provided with dust rings 104, the outer wall of the lower shell 101 is fixedly installed with two connecting plates 105, the tops of the two connecting plates 105 are provided with holes 106, the top of the lower shell 101 is fixedly installed with four latches 107, the top of the lower shell 101 is provided with an upper shell 108, the bottom of the upper shell 108 is provided with two upper notches 109, the bottom of the upper shell 108 is provided with two upper notches 110, the bottom of the upper shell 108 is provided with four holes 2 111, the outer wall of the upper shell 108 is fixedly installed with two connecting plates 2 112, the tops of the two connecting plates 2 112 are provided with holes 3 113, and the inner walls of the two holes 3 113 are threadedly connected with screws 114.

[0027] The effect achieved by the entire embodiment 1 is as follows: first, the dust ring 104 is placed in the lower slot 102, the four holes 111 are aligned with the four pins 107 on the lower shell 101, and pressed downward to make the lower shell 101 contact with the upper shell 108, and then the connecting plate 105 and the connecting plate 2 112 are also in contact, and the upper shell 108 and the lower shell 101 are fixed by using the screw 114 to pass through the hole 106 and the hole 3 113. The structure is simple, the replacement process is fast, and the downtime can be reduced.

[0028] Embodiment 2, as Figure 2-Figure 4 As shown, the main body mechanism 2 includes a sleeve 201, the outer wall of the sleeve 201 is movably sleeved with a fixing ring 202, the outer wall of the fixing ring 202 is provided with two holes four 203, the inner walls of the two holes four 203 are threadedly connected with screws two 204, the outer wall of the sleeve 201 is movably sleeved with two three-petal carbon rings 205, the outer walls of the two three-petal carbon rings 205 are inserted into the inside of the two lower grooves two 103, the inner wall of the sleeve 201 is inserted into the inside of the lower shell 101, and the inner wall of the sleeve 201 is inserted into the inside of the upper shell 108.

[0029] The effect achieved by the entire embodiment 2 is that, when the device is in normal use, the outer wall movable sleeve of the sleeve 201 is provided with a fixing ring 202, and the outer wall of the fixing ring 202 is provided with two holes four 203, and two screws two 204 are passed through the holes four 203 to limit and fix the sleeve 201, and secondly, the outer wall movable sleeve of the sleeve 201 is provided with two three-petal carbon rings 205, and the three-petal carbon rings 205 can adapt to various working conditions, such as high temperature, high pressure, high speed, etc., and have high adaptability.

[0030] Working principle: First, when the device is in normal use, the top of the lower shell 101 is provided with two lower notches 102, and the bottom of the upper shell 108 is provided with two upper notches 109. The staff places two dust rings 104 in the lower notches 102. Then, the top of the lower shell 101 is provided with two lower notches 103, and the bottom of the upper shell 108 is provided with two upper notches 110. The three-petal carbon ring 205 is placed in the lower notches 103. The outer wall of the three-petal carbon ring 205 is set. The plugs can be assembled with each other, the sealing structure is relatively simple, easy to install and maintain, and the running resistance is small, which can reduce energy consumption and improve the equipment operation efficiency. At the same time, the three-petal carbon ring 205 is suitable for a variety of working conditions, whether it is in the case of large changes in axial force or in high- and low-speed running equipment, it can show good sealing performance. Secondly, align the upper shell 108 with the lower shell 101, and the upper notch 109 and the upper notch 2 110 are respectively fitted with the dust ring 104 and the three-petal carbon ring 205. At the same time, two connecting plates 105 are fixedly installed on the outer wall of the lower shell 101, and the tops of the two connecting plates 105 are each provided with a hole 106; the outer wall of the upper shell 108 is fixedly installed with two connecting plates 2 112, and the tops of the two connecting plates 2 112 are each provided with a hole 3 113. The upper shell 108 and the lower shell 101 are fixed by passing a screw 114 through the hole 106 and the hole 3 113 at the same time, and four latches 107 are fixedly installed on the top of the lower shell 101, which can cooperate with the four holes 2 111 of the upper shell 108 to assist in alignment and fixation, so that the installation can be more accurate and the installation efficiency can be improved. Due to the small number of parts, the installation process is simpler and the assembly process is relatively simple. The user can easily complete the installation according to the instructions. Secondly, the fixing ring 202 on the outer wall of the sleeve 201 is fastened by screws 204, so that the installation is more firm and the use is safer. This structure has good sealing performance, can effectively prevent leakage, and ensure the reliability of equipment operation.

[0031] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A three-petal carbon ring sealing structure, comprising a connecting mechanism (1), characterized in that: The main body mechanism (2) is arranged on the inner surface wall of the connecting mechanism (1); The connecting mechanism (1) comprises a lower shell (101), the top of the lower shell (101) is provided with two lower notches 1 (102), and the top of the lower shell (101) is provided with two lower notches 2 (103).

2. A three-petal carbon ring sealing structure according to claim 1, characterized in that: The inner surface walls of the two lower notches (102) are both provided with dustproof rings (104), and the outer surface wall of the lower shell (101) is fixedly mounted with two connecting plates (105).

3. A three-petal carbon ring sealing structure according to claim 2, characterized in that: The tops of the two connecting plates (105) are each provided with a hole (106), the top of the lower shell (101) is fixedly provided with four latches (107), and the top of the lower shell (101) is provided with an upper shell (108).

4. A three-petal carbon ring sealing structure according to claim 3, characterized in that: The bottom of the upper shell (108) is provided with two upper notches 1 (109), the bottom of the upper shell (108) is provided with two upper notches 2 (110), and the bottom of the upper shell (108) is provided with four holes 2 (111).

5. A three-petal carbon ring sealing structure according to claim 4, characterized in that: Two connecting plates 2 (112) are fixedly mounted on the outer wall of the upper shell (108), and holes 3 (113) are provided on the tops of the two connecting plates 2 (112), and screws 1 (114) are threadedly connected to the inner walls of the two holes 3 (113).

6. A three-petal carbon ring sealing structure according to claim 1, characterized in that: The main body mechanism (2) comprises a shaft sleeve (201), the outer wall of the shaft sleeve (201) being movablely sleeved with a fixing ring (202), the outer wall of the fixing ring (202) being provided with two holes (203), the inner walls of the two holes (203) being threadedly connected with screws (204), and the outer wall of the shaft sleeve (201) being movablely sleeved with two three-petal carbon rings (205).

7. A three-petal carbon ring sealing structure according to claim 6, characterized in that: The outer walls of the two three-petal carbon rings (205) are inserted into the two lower notches (103), the inner wall of the shaft sleeve (201) is inserted into the lower shell (101), and the inner wall of the shaft sleeve (201) is inserted into the upper shell (108).

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