CN219655386U - Low temperature compressor air valve gap seal structure - Google Patents

Abstract

The utility model discloses a low-temperature compressor gas valve cover sealing structure, which relates to the technical field of compressors and comprises a valve cover body, wherein a sealing fixing mechanism is arranged on the outer surface of the valve cover body and comprises two fixing plates, the two fixing plates are fixedly connected to the outer surface of the valve cover body, a fixing rod is fixedly connected to the bottom surface of each fixing plate, a fixing ring is fixedly connected to the bottom surface of each fixing rod, and two clamping rings are arranged inside the fixing rings. It can rotate the threaded rod, and threaded rod rotates in-process and spiral ring emergence screw thread relation, and the spiral ring promotes two fly leaves and is close to each other, and the fly leaf passes through the push rod and promotes two grip rings and be close to each other, fixes the protruding position on to the valve opening through the grip ring, makes its whole can effectively improve valve gap stability at sealed in-process, avoids the valve gap to appear between valve gap and the valve opening because of vibrations or collision, leads to taking place to leak.

Description

Low temperature compressor air valve gap seal structure

Technical Field

The utility model relates to the technical field of compressors, in particular to a low-temperature compressor air valve cover sealing structure.

Background

The compressor is a driven fluid machine for lifting low-pressure gas into high-pressure gas, and is a heart of a refrigerating system, and the compressor sucks low-temperature low-pressure refrigerant gas from an air suction pipe, drives a piston to compress the low-temperature low-pressure refrigerant gas through motor operation, and then discharges high-temperature high-pressure refrigerant gas to an exhaust pipe to provide power for refrigerating circulation.

In the use process of the low-temperature air compressor, a valve hole of the cylinder body is required to be sealed by a valve cover, but the valve hole is usually sealed by matching a body with a sealing ring by the traditional valve cover, the structure is simpler, and gaps are formed between the valve cover and the valve hole due to vibration or collision, so that leakage occurs; therefore, we provide a low temperature compressor air valve cover sealing structure to solve the above problems.

Disclosure of Invention

The utility model aims to make up the defects of the prior art, and provides a low-temperature compressor gas valve cover sealing structure which can effectively improve the stability of a valve cover in the sealing process and avoid leakage caused by gaps between the valve cover and a valve hole due to vibration or collision of the valve cover.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a low temperature compressor gas valve gap seal structure, includes the valve gap body, the surface of valve gap body is equipped with sealed fixed establishment, and sealed fixed establishment includes two fixed plates, and two equal fixed plates fixed connection in the surface of valve gap body, the equal fixedly connected with dead lever in bottom surface of every fixed plate, the bottom surface fixedly connected with solid fixed ring of dead lever.

The inside of solid fixed ring is equipped with two holding rings, the equal fixedly connected with of a side that two holding rings kept away from each other is two symmetrical push rods, the one end that holding ring was kept away from to the push rod runs through solid fixed ring and extends to gu the outside of fixed ring, the equal fixedly connected with fly leaf of one end that holding ring was kept away from to two sets of push rods, gu the outer surface fixedly connected with of fixed ring two bearings, the equal fixedly connected with threaded rod of inner circle of every bearing, two fly leaves a side each other and all fixes and inlay the spiral ring, the one end that two threaded rods kept away from each other runs through two spiral rings respectively and extends to the outside of spiral ring, and spiral ring and threaded rod threaded connection.

Further, two the equal fixedly connected with of one end that the threaded rod kept away from each other rotates the handle, and the surface of every rotation handle all overlaps and is equipped with the antiskid cover.

Further, the outer surface of the fixed ring is fixedly embedded with two groups of sliding rings, one ends of the two groups of push rods, which are far away from each other, respectively penetrate through the two groups of sliding rings and extend to the outside of the push rods, and the sliding rings are in sliding connection with the push rods.

Further, the outer surface fixedly connected with operation instruction board of solid fixed ring, operation instruction board is the rectangle.

Further, a sealing ring is fixedly connected to one side face, close to each other, of each clamping ring.

Furthermore, the bottom surface of the fixed ring is fixedly connected with a protection ring, and the protection ring is positioned right below the two clamping rings.

Further, the diameter value of the fixing ring is larger than that of the valve cover body.

Compared with the prior art, the low-temperature compressor air valve cover sealing structure has the following beneficial effects:

1. according to the utility model, the threaded rod is rotated, the threaded rod is in threaded relation with the spiral ring in the rotating process, the spiral ring pushes the two movable plates to be close to each other, the movable plates push the two clamping rings to be close to each other through the push rod, and the protruding positions on the valve hole are fixed through the clamping rings, so that the stability of the valve cover in the sealing process can be effectively improved, and the situation that a gap exists between the valve cover and the valve hole due to vibration or collision of the valve cover, so that leakage occurs is avoided.

2. According to the utility model, the staff can conveniently rotate the threaded rod by rotating the handle, the operation is convenient, the friction force between the sliding ring and the fixed ring in the moving process of the push rod can be effectively reduced, the abrasion of the push rod caused by long-time use is avoided, the staff can be effectively reminded to operate according to a correct operation method by operating the indicating plate, the improper operation is avoided, the friction force between the clamping ring and the protruding position of the valve hole can be effectively increased by the sealing ring, and the fixing effect is improved.

Drawings

FIG. 1 is a front view of the present utility model;

FIG. 2 is a top cross-sectional view of the present utility model;

FIG. 3 is a bottom view of the present utility model;

fig. 4 is an enlarged view of the structure of fig. 3 a according to the present utility model.

In the figure: 1. a valve cover body; 2. a seal fixing mechanism; 201. a fixing plate; 202. a clamping ring; 203. a slip ring; 204. a movable plate; 205. a spiro ring; 206. a threaded rod; 207. a fixed rod; 208. a fixing ring; 209. a push rod; 2010. a bearing; 3. rotating the handle; 4. an operation indication board; 5. a seal ring; 6. and (3) protecting the ring.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.

As described in the background art, the conventional valve cover generally adopts the body and the sealing ring to seal the valve hole, the structure is simpler, and the leakage is caused because the gap is formed between the valve cover and the valve hole due to vibration or collision.

Example 1:

referring to fig. 1 to 4, this embodiment provides a low temperature compressor air valve cover sealing structure, including a valve cover body 1, the outer surface of the valve cover body 1 is provided with a sealing fixing mechanism 2, the sealing fixing mechanism 2 includes two fixing plates 201, the two fixing plates 201 are all fixedly connected with the outer surface of the valve cover body 1, the bottom surface of each fixing plate 201 is all fixedly connected with a fixing rod 207, and the bottom surface of the fixing rod 207 is fixedly connected with a fixing ring 208.

The inside of fixed ring 208 is equipped with two holding ring 202, a side that two holding ring 202 kept away from each other is all fixedly connected with two symmetrical push rods 209, the one end that holding ring 202 was kept away from to push rods 209 runs through fixed ring 208 and extends to the outside of fixed ring 208, the equal fixedly connected with fly leaf 204 of one end that holding ring 202 was kept away from to two sets of push rods 209, the surface fixedly connected with two bearings 2010 of fixed ring 208, the equal fixedly connected with threaded rod 206 of inner race of every bearing 2010, two fly leaf 204 keep away from a side each other and all fixedly inlay spiral ring 205, the one end that two threaded rods 206 kept away from each other runs through two spiral rings 205 respectively and extends to the outside of spiral ring 205, and spiral ring 205 and threaded rod 206 threaded connection.

Through rotating threaded rod 206, threaded rod 206 rotates the in-process and takes place threaded relation with spiral ring 205, spiral ring 205 promotes two fly leaves 204 and is close to each other, and fly leaf 204 promotes two grip ring 202 through push rod 209 and is close to each other, fixes the protruding position on the valve opening through grip ring 202, makes its whole can effectively improve valve gap stability at sealed in-process, avoids the valve gap to appear between valve gap and the valve opening because of vibrations or collision, leads to taking place to leak.

Example 2:

the scheme of example 1 is further described in conjunction with the specific operation described below:

referring to fig. 1, as a preferred embodiment, further, on the basis of the above manner, two threaded rods 206 are fixedly connected with rotating handles 3 at the ends far away from each other, and an anti-slip sleeve is sleeved on the outer surface of each rotating handle 3, so that a worker can conveniently rotate the threaded rods 206, and the operation is convenient.

The outer surface fixation of solid fixed ring 208 is inlayed and is had two sets of sliding rings 203, and two sets of sliding rings 203 are run through respectively to the one end that is kept away from each other of push rod 209 and extend to the outside of push rod 209, and sliding ring 203 and push rod 209 sliding connection can effectually reduce the frictional force between push rod 209 removal in-process and the solid fixed ring 208, avoid using for a long time to lead to push rod 209 to take place wearing and tearing.

The outer surface fixedly connected with operation instruction board 4 of solid fixed ring 208, operation instruction board 4 is the rectangle, can effectually remind the staff to operate according to correct operation method, avoids the improper operation.

Example 3:

the schemes of examples 1 and 2 are further described below in conjunction with the specific operation of the scheme, as described below:

referring to fig. 3, as a preferred embodiment, further, on the basis of the above manner, the sealing rings 5 are fixedly connected to one side surface of the two clamping rings 202, which are close to each other, so that the friction force between the clamping rings 202 and the protruding position of the valve hole can be effectively increased, and the fixing effect is improved.

The bottom surface fixedly connected with protection ring 6 of solid fixed ring 208, protection ring 6 is located two clamping ring 202 under, can effectively carry out spacing to solid fixed ring 208 bottom, avoids leading to clamping ring 202 to bump with the cylinder body in the installation, supplementary alignment.

The diameter value of the fixing ring 208 is larger than that of the valve cover body 1, so that the whole structure is more compact, and the whole use effect is improved.

Working principle: first, be equipped with this sealing mechanism cover with the surface of valve opening, block up valve opening with valve gap body 1, locate protruding position on the valve opening with solid fixed ring 208 cover, afterwards the staff rotates threaded rod 206 through, threaded rod 206 rotates the in-process and spiral ring 205 takes place the screw thread relation, spiral ring 205 promotes two fly leaves 204 and is close to each other, fly leaves 204 promote two grip rings 202 through push rod 209 and are close to each other, protruding position on to the valve opening is fixed through grip ring 202, make its whole can effectively improve valve gap stability in sealing process, avoid the valve gap to appear between valve gap and the valve opening because of vibrations or collision to the valve gap that leads to taking place to leak.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims (7)

1. The utility model provides a low temperature compressor gas valve gap seal structure, includes valve gap body (1), its characterized in that: the outer surface of the valve cover body (1) is provided with a sealing and fixing mechanism (2), the sealing and fixing mechanism (2) comprises two fixing plates (201), the two fixing plates (201) are fixedly connected to the outer surface of the valve cover body (1), the bottom surface of each fixing plate (201) is fixedly connected with a fixing rod (207), and the bottom surface of each fixing rod (207) is fixedly connected with a fixing ring (208);

the inside of solid fixed ring (208) is equipped with two grip rings (202), a side that two grip rings (202) kept away from each other is all fixedly connected with two symmetrical push rods (209), the one end that grip rings (202) were kept away from to push rods (209) runs through solid fixed ring (208) and extends to the outside of solid fixed ring (208), the one end that grip rings (202) were kept away from to two sets of push rods (209) is all fixedly connected with fly leaf (204), the surface fixedly connected with two bearings (2010) of solid fixed ring (208), the equal fixedly connected with threaded rod (206) of inner circle of every bearing (2010), two fly leaf (204) keep away from a side each other and all fix and inlay spiral ring (205), the one end that two threaded rod (206) kept away from each other runs through two spiral rings (205) and extends to the outside of spiral ring (205) respectively, and spiral ring (205) and threaded rod (206) threaded connection.

2. The low temperature compressor air valve cover sealing structure according to claim 1, wherein: one end that two threaded rods (206) kept away from each other all fixedly connected with rotates handle (3), and the surface of every rotates handle (3) all overlaps and is equipped with the antiskid cover.

3. The low temperature compressor air valve cover sealing structure according to claim 1, wherein: two groups of sliding rings (203) are fixedly inlaid on the outer surface of the fixed ring (208), one ends, far away from each other, of the two groups of push rods (209) respectively penetrate through the two groups of sliding rings (203) and extend to the outside of the push rods (209), and the sliding rings (203) are in sliding connection with the push rods (209).

4. The low temperature compressor air valve cover sealing structure according to claim 1, wherein: the outer surface of the fixed ring (208) is fixedly connected with an operation indication plate (4), and the operation indication plate (4) is rectangular.

5. The low temperature compressor air valve cover sealing structure according to claim 1, wherein: and one side surface, which is close to each other, of the two clamping rings (202) is fixedly connected with a sealing ring (5).

6. The low temperature compressor air valve cover sealing structure according to claim 1, wherein: the bottom surface of fixed ring (208) fixedly connected with guard ring (6), guard ring (6) are located under two clamping rings (202).

7. The low temperature compressor air valve cover sealing structure according to claim 1, wherein: the diameter value of the fixed ring (208) is larger than that of the valve cover body (1).