Sealing structure of vacuum pressure gauge joint

Abstract

The utility model discloses a sealing structure of a vacuum pressure gauge joint, the sealing structure comprises a sealing sleeve, the sealing sleeve is sleeved on the outside of a pressure gauge joint body, a first sealing ring is arranged in the sealing sleeve, the first sealing ring is sleeved on the outside of a straight pipe part, and a second sealing ring is arranged on the outside of the straight pipe part. A first hoop is arranged on the upper portion of the outer portion of the sealing sleeve, and a second hoop is arranged on the lower portion of the outer portion of the sealing sleeve. The first hoop and the second hoop are used for locking and sealing the two ends of the sealing sleeve so as to improve the overall sealing effect of the pressure gauge connector body, and meanwhile, under the action of the third sealing ring and the fixing ring, the sealing sleeve is sealed so as to further improve the overall sealing effect of the pressure gauge connector body.

Description

Technical Field

[0001] The utility model relates to the technical field of pressure gauge joints, in particular to a sealing structure of a vacuum pressure gauge joint. Background Art

[0002] The pressure gauge joint consists of two parts, one is the straight pipe part, and the other is the spiral part. When installing with the pressure gauge, the rotating part on the pressure gauge joint is screwed to make a threaded connection with the pressure gauge. The pressure gauge joint will age after long-term use, resulting in poor sealing effect of the straight pipe part and the spiral part, which is not convenient to use. Utility Model Content

[0003] The purpose of the utility model is to provide a sealing structure of a vacuum pressure gauge joint to solve the problems mentioned in the above background technology.

[0004] The purpose of the utility model can be achieved through the following technical solutions:

[0005] A sealing structure of a vacuum pressure gauge joint comprises a pressure gauge joint body, wherein the pressure gauge joint body consists of a straight pipe part and a spiral part, and a sealing mechanism is arranged on the pressure gauge joint body.

[0006] The sealing mechanism includes a sealing sleeve, which is mounted on the outside of the pressure gauge joint body, a first sealing ring is arranged inside the sealing sleeve, and the first sealing ring is mounted on the outside of the straight pipe part, a first clamp is arranged above the outside of the sealing sleeve, and a second clamp is arranged below the outside of the sealing sleeve.

[0007] As a further solution of the utility model: a connector is sleeved on the outside of the straight pipe portion, a groove is opened on the top of the connector, and a third clamp is arranged on the outside of the connector.

[0008] As a further solution of the utility model: a second sealing ring is arranged in the groove and sleeved on the outside of the straight pipe part.

[0009] As a further solution of the utility model: a third sealing ring and a fixing ring are respectively sleeved on the outside of the straight pipe part, and the fixing ring is fixedly connected to the straight pipe part by screws.

[0010] As a further solution of the utility model: the third sealing ring is fitted on the top of the sealing sleeve, and the fixing ring is fitted on the top of the third sealing ring.

[0011] As a further solution of the utility model: the first sealing ring is tightly fitted to the spiral part.

[0012] Beneficial Effects

[0013] The utility model provides a sealing structure for a vacuum pressure gauge joint. Compared with the prior art, the utility model has the following beneficial effects:

[0014] (1) The present application uses a sealing sleeve to seal between the straight pipe portion and the spiral portion, uses a first sealing ring to reinforce the seal, and uses a first clamp and a second clamp to lock and seal the two ends of the sealing sleeve to improve the overall sealing effect of the pressure gauge joint body. At the same time, under the action of a third sealing ring and a fixing ring, the sealing sleeve is sealed to further improve the overall sealing effect of the pressure gauge joint body.

[0015] (2) The present application improves the sealing effect between the pressure gauge connector body and the pipe when connected to the external pipe by using the connecting body, the groove, the third clamp and the second sealing ring in combination. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional diagram of the utility model;

[0017] Figure 2 It is a three-dimensional cross-sectional view of the utility model;

[0018] Figure 3 For this utility model Figure 2 A partial enlarged view of point A in the middle.

[0019] In the figure: 1. Pressure gauge connector body; 11. Straight pipe part; 12. Spiral part; 2. Sealing mechanism; 21. Sealing sleeve; 22. First sealing ring; 23. First clamp; 24. Second clamp; 3. Connector; 4. Groove; 5. Third clamp; 6. Second sealing ring; 7. Third sealing ring; 8. Fixing ring; 9. Screw. DETAILED DESCRIPTION

[0020] 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.

[0021] Embodiment 1

[0022] See also Figure 1 and Figure 2As shown, the utility model is a sealing structure of a vacuum pressure gauge joint, comprising a pressure gauge joint body 1, the pressure gauge joint body 1 is composed of a straight tube portion 11 and a spiral portion 12, and a sealing mechanism 2 is arranged on the pressure gauge joint body 1; the sealing mechanism 2 comprises a sealing sleeve 21, the sealing sleeve 21 is sleeved on the outside of the pressure gauge joint body 1, a first sealing ring 22 is arranged inside the sealing sleeve 21, and the first sealing ring 22 is sleeved on the outside of the straight tube portion 11, and a sealing ring 22 is arranged above the outside of the sealing sleeve 21 There is a first clamp 23, and a second clamp 24 is arranged below the outside of the sealing sleeve 21. The sealing sleeve 21 is used to seal between the straight pipe part 11 and the spiral part 12, and the first sealing ring 22 is used to reinforce the seal. The first clamp 23 and the second clamp 24 are used to lock and seal the two ends of the sealing sleeve 21 to improve the overall sealing effect of the pressure gauge joint body 1. At the same time, under the action of the third sealing ring 7 and the fixing ring 8, the sealing sleeve 21 is sealed to further improve the overall sealing effect of the pressure gauge joint body 1.

[0023] A third sealing ring 7 and a fixing ring 8 are respectively sleeved on the outside of the straight tube portion 11 , and the fixing ring 8 is fixedly connected to the straight tube portion 11 by screws 9 .

[0024] The third sealing ring 7 is attached to the top of the sealing sleeve 21 , and the fixing ring 8 is attached to the top of the third sealing ring 7 .

[0025] The first sealing ring 22 is tightly fitted to the spiral portion 12 .

[0026] Embodiment 2

[0027] Based on Example 1, see Figure 1-3 Shown

[0028] The straight pipe portion 11 is sleeved with a connector 3 , a groove 4 is formed on the top of the connector 3 , and a third clamp 5 is disposed on the outside of the connector 3 .

[0029] A second sealing ring 6 is arranged in the groove 4 and sleeved on the outside of the straight pipe portion 11. Through the coordinated use of the connecting body 3, the groove 4, the third clamp 5 and the second sealing ring 6, the sealing effect between the pressure gauge joint body 1 and the pipe is improved when connected to an external pipe.

[0030] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0031] The working principle of the utility model is as follows: by rotating the spiral part 12, the spiral part 12 is threadedly connected with the pressure gauge, then the first sealing ring 22 is sleeved on the straight pipe part 11, and then the sealing sleeve 21 is sleeved on the pressure gauge joint body 1, and the sealing sleeve 21 is tightened by the first clamp 23 and the second clamp 24, then the third sealing ring 7 is sleeved on the straight pipe part 11, and then the fixing ring 8 is sleeved on the straight pipe part 11, and the fixing ring 8 is fixed by the screw 9, and the sealing sleeve 21 is used to seal between the straight pipe part 11 and the spiral part 12, and the first sealing ring 22 is used to reinforce the seal, and the first clamp 23 and the second clamp 24 are used to tighten the two ends of the sealing sleeve 21. The locking seal is used to improve the overall sealing effect of the pressure gauge joint body 1. At the same time, under the action of the third sealing ring 7 and the fixing ring 8, the sealing sleeve 21 is sealed to further improve the overall sealing effect of the pressure gauge joint body 1. Then, the connector 3 is put on the straight pipe part 11, and the second sealing ring 6 is put on the straight pipe part 11 and placed in the groove 4. Then, the external tube is put on the straight pipe part 11 and connected, and the external tube and the connector 3 are adjusted so that the external tube fits tightly with the second sealing ring 6. Then, fasteners are added to the outside of the external tube, and the connector 3 is tightened with the third clamp 5 to improve the sealing effect of the pressure gauge joint body 1 and the tube.

[0032] 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.

[0033] 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 sealing structure for a vacuum pressure gauge joint, comprising a pressure gauge joint body (1), characterized in that: The pressure gauge joint body (1) is composed of a straight pipe portion (11) and a spiral portion (12), and a sealing mechanism (2) is provided on the pressure gauge joint body (1); The sealing mechanism (2) comprises a sealing sleeve (21), the sealing sleeve (21) being sleeved on the outside of the pressure gauge joint body (1), a first sealing ring (22) being arranged inside the sealing sleeve (21), and the first sealing ring (22) being sleeved on the outside of the straight pipe portion (11), a first clamp (23) being arranged above the outside of the sealing sleeve (21), and a second clamp (24) being arranged below the outside of the sealing sleeve (21).

2. The sealing structure of a vacuum pressure gauge joint according to claim 1, characterized in that: A connecting body (3) is sleeved on the outside of the straight pipe portion (11), a groove (4) is provided on the top of the connecting body (3), and a third clamp (5) is provided on the outside of the connecting body (3).

3. The sealing structure of a vacuum pressure gauge joint according to claim 2, characterized in that: A second sealing ring (6) is arranged in the groove (4) and sleeved on the outside of the straight pipe portion (11).

4. The sealing structure of a vacuum pressure gauge joint according to claim 1, characterized in that: A third sealing ring (7) and a fixing ring (8) are respectively sleeved on the outside of the straight tube portion (11), and the fixing ring (8) is fixedly connected to the straight tube portion (11) by means of screws (9).

5. The sealing structure of a vacuum pressure gauge joint according to claim 4, characterized in that: The third sealing ring (7) is fitted on the top of the sealing sleeve (21), and the fixing ring (8) is fitted on the top of the third sealing ring (7).

6. The sealing structure of a vacuum pressure gauge joint according to claim 1, characterized in that: The first sealing ring (22) and the spiral portion (12) are tightly fitted.

Images