CN212804641U

CN212804641U - High-efficiency sealing ring structure of compressor

Info

Publication number: CN212804641U
Application number: CN202021301207.XU
Authority: CN
Inventors: 亢勇; 林加智; 杜继东
Original assignee: Sichuan Shihua Seal Co ltd
Current assignee: Sichuan Shihua Seal Co ltd
Priority date: 2020-07-06
Filing date: 2020-07-06
Publication date: 2021-03-26
Anticipated expiration: 2030-07-06

Abstract

The utility model provides a high-efficiency sealing ring structure of a compressor, which comprises a female joint component and a male joint component; the bottom of the female joint component is provided with an external fixing nut, and the top of the male joint component is provided with an internal extending ring inserted into the external fixing nut; the top of the annular sealing protrusion is arranged to be arc-shaped, the top of the inner end face of the annular sealing groove is arranged to be arc-shaped, the position where the annular sealing protrusion is connected with the annular rubber sealing element can be of a smooth structure, and therefore pressure applied to the annular rubber sealing element during pressing can be more uniform, and the situation that local pressure deformation occurs can be avoided. The parts such as the outer rubber sealing ring, the metal compression ring, the fixing buckle, the annular groove and the like are arranged outside the female joint part and the male joint part, so that the relative positions of the female joint part and the male joint part can be well fixed, and the overall sealing performance of the structure can also be improved.

Description

High-efficiency sealing ring structure of compressor

Technical Field

The utility model particularly relates to a high-efficient sealing washer structure of compressor.

Background

During the operation of the air compressor, oil, gas and a mixture thereof are continuously circulated and separated in each part of the unit through pipelines. The existing high-pressure sealing part of the compressor has the problem of poor sealing; patent document CN205781523U describes a sealing structure with better sealing performance, but the structure has the following problems: the joint of the sealing element and the boss is not of a smooth structure, so that permanent indentation or fracture is easily generated at the joint of the sealing element and the edge of the boss, and the sealing effect is affected. Therefore, a high-efficiency sealing ring structure of the compressor is urgently needed to solve the problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-efficient sealing washer structure of compressor to prior art's not enough, this high-efficient sealing washer structure of compressor can solve above-mentioned problem well.

In order to meet the above requirements, the utility model adopts the following technical scheme: the high-efficiency sealing ring structure of the compressor comprises a female joint component and a male joint component; the bottom of the female joint component is provided with an external fixing nut, and the top of the male joint component is provided with an internal extending ring inserted into the external fixing nut; a sealing ring adjusting component is arranged at the bottom of the inner end face of the female joint component, an annular sealing protrusion is arranged at the top of the inner extending ring, and the upper end face of the annular sealing protrusion is arc-shaped; the sealing ring adjusting component comprises a sealing element annular fixing seat and an annular rubber sealing element embedded at the top of the sealing element annular fixing seat, an annular sealing groove used for extending into the annular sealing protrusion is formed in the bottom of the sealing element annular fixing seat, the annular sealing groove longitudinally penetrates through the sealing element annular fixing seat and is connected with the bottom end face of the annular rubber sealing element, and a groove body with a semicircular longitudinal section is formed in the bottom end face of the annular rubber sealing element; and a main annular groove used for extending into the annular fixed seat of the sealing element is formed in the bottom of the female joint component.

The high-efficiency sealing ring structure of the compressor has the following advantages:

the top of the annular sealing protrusion is arranged to be arc-shaped, the top of the inner end face of the annular sealing groove is arranged to be arc-shaped, the position of the joint of the annular sealing protrusion and the annular rubber sealing piece can be made to be a smooth structure, so that the pressure applied to the annular rubber sealing piece during pressing can be more uniform, the situation that the annular rubber sealing piece is locally pressed and deformed can be avoided, and the annular sealing protrusion can be prevented from deviating a small amount in the process of entering the annular sealing groove to scratch other components. The parts such as the outer rubber sealing ring, the metal compression ring, the fixing buckle, the annular groove and the like are arranged outside the female joint part and the male joint part, so that the relative positions of the female joint part and the male joint part can be well fixed, and the overall sealing performance of the structure can also be improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 schematically shows a structural diagram of a high-efficiency sealing ring structure of a compressor according to an embodiment of the present application.

Fig. 2 schematically shows a partial enlarged structural view of a seal ring adjusting part of a high-efficiency seal ring structure of a compressor according to an embodiment of the present application.

Fig. 3 schematically shows a schematic view of the annular rubber seal and the annular fixed seat of the seal of the high-efficiency sealing ring structure of the compressor according to one embodiment of the application after being longitudinally cut.

Fig. 4 schematically shows a schematic view of the annular rubber seal and the annular fixed seat of the seal of the high-efficiency sealing ring structure of the compressor according to one embodiment of the application after being longitudinally cut.

Fig. 5 schematically illustrates a structural diagram of a metal compression ring of a high-efficiency sealing ring structure of a compressor according to an embodiment of the present application.

Wherein: 1. a female joint component; 2. a male connector component; 3. an inward extending ring; 4. an outer fixing nut; 5. a seal ring adjustment member; 6. externally pressing the screw; 7. a primary annular groove; 8. an annular rubber seal; 9. a sealing element annular fixed seat; 10. an annular sealing protrusion; 11. an annular seal groove; 12. an upper circular groove; 13. a lateral circular groove; 14. side pressing the screw hole; 15. an outer rubber seal ring; 16. a metal compression ring; 17. a fixing buckle; 18. an annular groove; 19. an auxiliary sealing protrusion; 20. an auxiliary seal groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be described in further detail with reference to the accompanying drawings and specific embodiments.

In the following description, references to "one embodiment," "an embodiment," "one example," "an example," etc., indicate that the embodiment or example so described may include a particular feature, structure, characteristic, property, element, or limitation, but every embodiment or example does not necessarily include the particular feature, structure, characteristic, property, element, or limitation. Moreover, repeated use of the phrase "in accordance with an embodiment of the present application" although it may possibly refer to the same embodiment, does not necessarily refer to the same embodiment.

Certain features that are well known to those skilled in the art have been omitted from the following description for the sake of simplicity.

According to an embodiment of the present application, there is provided a high efficiency seal ring structure of a compressor, as shown in fig. 1 to 5, including a female joint member 1 and a male joint member 2; the bottom of the female joint component 1 is provided with an external fixing nut 4, and the top of the male joint component 2 is provided with an internal extending ring 3 inserted into the external fixing nut 4; the bottom of the inner end face of the female joint component 1 is provided with a seal ring adjusting component 5, the top of the inner extending ring 3 is provided with an annular sealing protrusion 10, and the upper end face of the annular sealing protrusion 10 is arc-shaped.

According to an embodiment of the application, this sealing washer regulating part 5 of high-efficient sealing washer structure of compressor includes sealing member annular fixing base 9 and inlays annular rubber seal 8 at sealing member annular fixing base 9 top, sealing member annular fixing base 9 bottom is equipped with and is used for stretching into annular seal protruding 10's annular seal groove 11, annular seal groove 11 vertically passes sealing member annular fixing base 9 and in annular rubber seal 8's bottom terminal surface meets, annular rubber seal 8's bottom terminal surface is equipped with the longitudinal section and is the semicircular cell body.

According to an embodiment of the application, the outer rubber sealing ring 15 is sleeved outside the joint of the top of the male joint component 2 and the bottom of the outer fixing nut 4, the outer side end face of the outer rubber sealing ring 15 is provided with the annular groove 18, the outer part of the annular groove 18 is sleeved with the metal pressing ring 16, the metal pressing ring 16 is provided with the fixing buckle 17, the bottom of the outer fixing nut 4 is provided with the auxiliary sealing protrusion 19, the upper end face of the male joint component 2 is provided with the auxiliary sealing groove 20 for inserting the auxiliary sealing protrusion 19, as shown in fig. 1, the bottom of the longitudinal section of the auxiliary sealing protrusion 19 and the bottom of the longitudinal section of the auxiliary sealing groove 20 are both arc-shaped, when in use, after the female joint component 1 and the male joint component 2 are mutually fixed, the outer rubber sealing ring 15 is sleeved outside the joint of the female joint component 1 and, then, the metal compression ring 16 is compressed, wherein the structure of the metal compression ring 16 is shown in fig. 5, the metal compression ring 16 can be made of elastic metal, and a rotating screw structure is provided for realizing tightening; the outer rubber sealing ring 15 can be sleeved outside the top end of the male joint part 2 when the female joint part 1 and the male joint part 2 are not connected and fixed with each other; the design of the auxiliary sealing protrusion 19 and the auxiliary sealing groove 20 may further improve the sealing performance of the structure.

According to one embodiment of the application, the bottom of the female joint component 1 of the high-efficiency sealing ring structure of the compressor is provided with a main annular groove 7 used for extending into the annular fixed seat 9 of the sealing element.

According to an embodiment of the application, a side pressing screw hole 14 for extending into the outer pressing screw 6 is arranged on the side end face of the outer fixing nut 4 of the high-efficiency sealing ring structure of the compressor, and a side circular groove 13 for extending into the outer pressing screw 6 is arranged on the outer end face of the main circular groove 7.

According to an embodiment of the application, the outer end face of the annular fixed seat 9 of the sealing element of the high-efficiency sealing ring structure of the compressor is provided with a first thread, and the side end face of the main annular groove 7 is provided with a second thread engaged with the first thread.

According to one embodiment of the present application, the upper end surface of the annular rubber seal 8 of the high efficiency gasket structure of the compressor is provided with an upper circular groove 12.

According to an embodiment of the application, the outer end face of the top of the inner extension ring 3 of the high-efficiency sealing ring structure of the compressor is provided with an external thread, and the inner end face of the outer fixing nut 4 is provided with an internal thread.

According to an embodiment of the application, when the efficient sealing ring structure of the compressor is used, the inward extending ring 3 can be inserted into the outer fixing nut 4, the annular sealing protrusion 10 is inserted into the annular groove on the lower end face of the annular fixing seat 9 of the sealing element, the top of the annular sealing protrusion 10 and the bottom of the compression annular rubber sealing element 8 are both arc-shaped in longitudinal section, so that the compression is uniform in stress, and the annular sealing protrusion 10 can cause smaller damage than a prismatic plane structure if being scraped and bumped during insertion; meanwhile, in the structure disclosed in the patent document with the publication number of CN205781523U, the sealing element is directly pressed in the pressure-filling space, if fixing is desired, industrial glue is needed for adhesion, or the sealing element is directly placed in the pressure-filling space without fixation, and these two ways are inconvenient when the sealing element needs to be taken out and replaced after long-term use, but the structure of the high-efficiency sealing ring structure of the compressor can solve the problem, when the sealing element needs to be taken out, the annular fixing seat 9 of the sealing element can be turned down, and a rod is extended into the upper circular groove 12 to pick up the annular rubber sealing element 8, (the annular fixing seat 9 of the sealing element and the annular rubber sealing element 8 can be connected by a thread structure, and at this time, the rod can be inserted into the upper circular groove 12 to drive the annular rubber sealing element 8 to rotate and take out the; the reason why the structure described in patent document CN205781523U cannot be perforated for easy removal is that the sealing member has only one surface facing outward, and if the sealing member is perforated, the sealing member is of an integrally sealed type, but the structure is perforated because the upper end surface of the annular rubber sealing member 8 does not directly contact the annular sealing groove 11, and the sealing property is not affected by the perforation.

According to an embodiment of the application, when the sealing ring-shaped fixed seat 9 of the high-efficiency sealing ring structure of the compressor enters the main annular groove 7 to a completely compressed position through a threaded structure, the side compression screw hole 14 and the side circular groove 13 are communicated with each other, and at the moment, the outer compression screw 6 can be inserted into the main annular groove 7, so that the sealing ring-shaped fixed seat 9 can be fixed.

According to an embodiment of the application, the top of the annular sealing protrusion 10 is set to be arc-shaped, and the top of the inner end face of the annular sealing groove 11 is set to be arc-shaped, so that the joint of the annular sealing protrusion 10 and the annular rubber sealing element 8 is of a smooth structure, pressure applied to the annular rubber sealing element 8 during pressing can be more uniform, the situation that the annular rubber sealing element 8 is locally pressed and deformed can be avoided, and the annular sealing protrusion 10 can be prevented from deviating a small amount in the process of entering the annular sealing groove 11 to scratch other components. The relative positions of the female joint component 1 and the male joint component 2 can be well fixed and the overall sealing performance of the structure can also be improved by arranging the outer rubber sealing ring 15, the metal compression ring 16, the fixing buckle 17, the annular groove 18 and the like outside the female joint component 1 and the male joint component 2.

The above-described embodiments are merely illustrative of several embodiments of the present invention, which are described in detail and detail, but should not be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the claims.

Claims

1. The utility model provides a high-efficient sealing washer structure of compressor which characterized in that: comprises a female joint component and a male joint component;

the bottom of the female joint component is provided with an external fixing nut, and the top of the male joint component is provided with an internal extending ring inserted into the external fixing nut;

a sealing ring adjusting component is arranged at the bottom of the inner end face of the female joint component, an annular sealing protrusion is arranged at the top of the inner extending ring, and the upper end face of the annular sealing protrusion is arc-shaped;

the sealing ring adjusting component comprises a sealing element annular fixing seat and an annular rubber sealing element embedded at the top of the sealing element annular fixing seat, an annular sealing groove used for extending into the annular sealing protrusion is formed in the bottom of the sealing element annular fixing seat, the annular sealing groove longitudinally penetrates through the sealing element annular fixing seat and is connected with the bottom end face of the annular rubber sealing element, and a groove body with a semicircular longitudinal section is formed in the bottom end face of the annular rubber sealing element;

the bottom of the female joint component is provided with a main annular groove used for extending into the annular fixed seat of the sealing element;

the male joint part top with the outside cover of department of meeting of outer fixation nut bottom is equipped with outer rubber seal ring, the outside terminal surface of outer rubber seal ring is equipped with the annular groove, the outside cover of annular groove is equipped with the metal clamp ring, be equipped with fixed the knot on the metal clamp ring, outer fixation nut's bottom is equipped with supplementary sealed protruding, the up end of male joint part is equipped with and is used for inserting supplementary sealed bellied supplementary seal groove.

2. The high efficiency seal ring structure of compressor as claimed in claim 1, wherein: the side end face of the outer fixing nut is provided with a side pressing screw hole used for extending into the outer pressing screw rod, and the outer end face of the main annular groove is provided with a side circular groove used for extending into the outer pressing screw rod.

3. The high efficiency seal ring structure of compressor as claimed in claim 1, wherein: the outer end face of the annular fixed seat of the sealing element is provided with first threads, and the side end face of the main annular groove is provided with second threads meshed with the first threads.

4. The high efficiency seal ring structure of compressor as claimed in claim 1, wherein: the upper end face of the annular rubber sealing element is provided with an upper circular groove.

5. The high efficiency seal ring structure of compressor as claimed in claim 1, wherein: the outer end face of the top of the inner extending ring is provided with an external thread, and the inner end face of the outer fixing nut is provided with an internal thread.