CN212273142U

CN212273142U - Unloading valve with good sealing effect

Info

Publication number: CN212273142U
Application number: CN202020824195.2U
Authority: CN
Inventors: 常江鹏
Original assignee: Hebei Mojun Technology Co ltd
Current assignee: Hebei Mojun Technology Co ltd
Priority date: 2020-05-18
Filing date: 2020-05-18
Publication date: 2021-01-01
Anticipated expiration: 2030-05-18

Abstract

The utility model relates to the technical field of valve equipment, in particular to an unloading valve with good sealing effect, which avoids the trouble of manufacturing a high-precision ball body and improves the economic usability of the device; including first fixed block, the second fixed block, the multiunit fastening bolt, the multiunit links up the post, multiunit leakproofness block, multiunit shrink pole, multiunit spring and regulation and control device, first fixed block passes through fastening bolt spiral shell dress with the second fixed block and is connected, the inside cavity that is provided with of second fixed block, and be provided with circular seal between first fixed block and the second fixed block, and the inside of first fixed block is provided with the multiunit air vent, every group links up the post and corresponds a set of air vent, and be located the air vent, the top that links up the post is connected with the leakproofness block that is located the second fixed block cavity, and the bottom of first fixed block is provided with the recess, the shrink pole is located the recess, the top of shrink pole is connected with the bottom of leakproofness block.

Description

Unloading valve with good sealing effect

Technical Field

The utility model relates to a valve equipment's technical field especially relates to a sealed effectual off-load valve.

Background

As is well known, an unloading valve with good sealing effect is an auxiliary device for controlling the flow rate of gas, and is widely used in the field of valve equipment; the existing unloading valve with good sealing effect is found in use, because the unloading valve generally adopts a high-precision ball body to be connected with an outlet, the flow rate of gas is controlled to achieve the unloading effect, but the high-precision ball body is complex in manufacturing process and high in cost, so that the economic practicability of the device is poor.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an avoid making the high accuracy spheroid, improved the sealed effectual off-load valve of device economic usability.

The utility model relates to an unloading valve with good sealing effect, which comprises a first fixed block, a second fixed block, a plurality of groups of fastening bolts, a plurality of groups of linking columns, a plurality of groups of sealing rubber blocks, a plurality of groups of contraction rods, a plurality of groups of springs and a regulating device, wherein the first fixed block and the second fixed block are connected by the fastening bolts in a screw-mounting way, a cavity is arranged inside the second fixed block, a circular sealing ring is arranged between the first fixing block and the second fixing block, a plurality of groups of vent holes are arranged in the first fixing block, each group of linking columns corresponds to one group of vent holes, and is positioned in the vent hole, the top end of the joining column is connected with a sealing rubber block positioned in the cavity of the second fixed block, and the bottom of the first fixed block is provided with a groove, the contraction rod is positioned in the groove, the top end of the contraction rod is connected with the bottom end of the sealing rubber block, and the spring is sleeved in the contraction rod, and the regulating device can control the opening and closing of the sealing rubber block.

The utility model discloses a sealed effectual off-load valve, regulation and control device include axis of rotation, threaded rod and handle, and the axis of rotation is located the cavity of second fixed block to axis of rotation and threaded rod eccentric connection, the threaded rod rotates with the second fixed block to be connected, and the right-hand member and the handle of threaded rod are connected.

The utility model discloses a sealed effectual off-load valve still includes the buckle closure, and the left end of second fixed block is provided with the opening, and the buckle closure is with the opening shutoff to the opening part of second fixed block is provided with sealed rubber ring.

The utility model discloses a sealed effectual off-load valve still includes connection piece, multiunit connecting bolt and crashproof block rubber, and the connection piece passes through multiunit connecting bolt spiral shell dress with the left end of first fixed block to crashproof block rubber is fixed on the connection piece.

The utility model discloses a sealed effectual off-load valve still includes gas outlet and filter screen, and the right side front end at the second fixed block is fixed to the gas outlet to the filter screen is fixed in the gas outlet.

The utility model discloses a sealed effectual off-load valve still includes stop nut, and stop nut fixes between threaded rod and axis of rotation.

The utility model discloses a sealed effectual off-load valve is provided with the antiskid gum cover on the threaded rod.

The utility model discloses a sealed effectual off-load valve, the material of spring is the spring steel.

Compared with the prior art, the beneficial effects of the utility model are that: the gas enters the vent hole, the connecting column and the sealing rubber block are lifted simultaneously under the pressure action of the gas, the connecting column is prevented from flying out of the vent hole through the matching use of the contraction rod and the spring, the opening quantity of the connecting column and the sealing rubber block is determined through the regulating and controlling device, the unloading effect is achieved by controlling the gas flow speed, the trouble of manufacturing a high-precision sphere is avoided, and the economical usability of the device is improved.

Drawings

FIG. 1 is a schematic view of an axial measurement structure of the present invention;

fig. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic view of the internal cross-section of the present invention;

fig. 4 is an enlarged schematic view of the utility model at a;

in the drawings, the reference numbers: 1. a first fixed block; 2. a second fixed block; 3. fastening a bolt; 4. a vent hole; 5. connecting the column; 6. a sealing rubber block; 7. a retracting lever; 8. a spring; 9. a rotating shaft; 10. a threaded rod; 11. a handle; 12. covering; 13. connecting sheets; 14. a connecting bolt; 15. an anti-collision rubber block; 16. an air outlet; 17. a filter screen; 18. and a limiting nut.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in figures 1 to 4, the unloading valve with good sealing effect of the utility model comprises a first fixed block 1, a second fixed block 2, a plurality of groups of fastening bolts 3, a plurality of groups of linking columns 5, a plurality of groups of sealing rubber blocks 6, a plurality of groups of contraction rods 7, a plurality of groups of springs 8 and a regulating device, wherein the first fixed block 1 is in threaded connection with the second fixed block 2 through the fastening bolts 3, a cavity is arranged inside the second fixed block 2, a circular sealing ring is arranged between the first fixed block 1 and the second fixed block 2, a plurality of groups of vent holes 4 are arranged inside the first fixed block 1, each group of linking columns 5 corresponds to one group of vent holes 4 and is positioned in the vent holes 4, the top ends of the linking columns 5 are connected with the sealing rubber blocks 6 positioned in the cavity of the second fixed block 2, a groove is arranged at the bottom of the first fixed block 1, the contraction rods 7 are positioned in the groove, the top ends of the contraction rods 7 are connected with the bottom ends of, the spring 8 is sleeved in the contraction rod 7, and the regulation and control device can control the opening and closing of the sealing rubber block 6; the gas enters the vent hole 4, the connecting column 5 and the sealing rubber block 6 are lifted simultaneously under the pressure action of the gas, the connecting column 5 is prevented from flying out of the vent hole 4 through the matching of the contraction rod 7 and the spring 8, the opening number of the connecting column 5 and the sealing rubber block 6 is determined through the regulating and controlling device, the effect of controlling the gas flow rate to achieve unloading is achieved, the trouble of manufacturing a high-precision sphere is avoided, and the economical usability of the device is improved.

The utility model discloses an unloading valve with good sealing effect, the regulation and control device comprises a rotating shaft 9, a threaded rod 10 and a handle 11, the rotating shaft 9 is positioned in the cavity of the second fixed block 2, the rotating shaft 9 is eccentrically connected with the threaded rod 10, the threaded rod 10 is rotatably connected with the second fixed block 2, and the right end of the threaded rod 10 is connected with the handle 11; through rotating handle 11, drive threaded rod 10 and axis of rotation 9 and rotate, because axis of rotation 9 and threaded rod 10 are eccentric connection, can realize the closure and the opening of leakproofness block rubber 6 through the rotation of axis of rotation 9, improve the use convenience of device.

The unloading valve with good sealing effect of the utility model also comprises a buckle cover 12, the left end of the second fixed block 2 is provided with an opening, the buckle cover 12 seals the opening, and the opening of the second fixed block 2 is provided with a sealing rubber ring; regular cleaning and maintenance are carried out to the inside of second fixed block 2 through setting up buckle closure 12 to be convenient for, simultaneously through setting up sealed rubber ring, avoid gaseous opening part from second fixed block 2 to overflow, improve the leakproofness of device.

The unloading valve with good sealing effect of the utility model also comprises a connecting sheet 13, a plurality of groups of connecting bolts 14 and an anti-collision rubber block 15, wherein the connecting sheet 13 is connected with the left end of the first fixed block 1 by the plurality of groups of connecting bolts 14 in a screwed manner, and the anti-collision rubber block 15 is fixed on the connecting sheet 13; through setting up connection piece 13, connecting bolt 14 and crashproof block rubber 15, avoid the device to appear colliding with, improve the life of device.

The unloading valve with good sealing effect of the utility model also comprises an air outlet 16 and a filter screen 17, wherein the air outlet 16 is fixed at the front end of the right side of the second fixed block 2, and the filter screen 17 is fixed in the air outlet 16; through setting up gas outlet 16 and filter screen 17, filter gas, avoid gaseous polluted air, improve the environmental protection usability of device.

The unloading valve with good sealing effect of the utility model also comprises a limit nut 18, the limit nut 18 is fixed between the threaded rod 10 and the rotating shaft 9; through setting up stop nut 18, avoid in the whole sliding of axis of rotation 9 goes into second fixed block 2, carry on spacingly to axis of rotation 9, improve the stability in use of device.

The unloading valve with good sealing effect of the utility model has the advantages that the threaded rod 10 is provided with the antiskid rubber sleeve; through setting up anti-skidding gum cover, the phenomenon of skidding appears when avoiding operating personnel to rotate threaded rod 10, avoids appearing personnel's damage, improves the safety and usability of device.

The unloading valve with good sealing effect of the utility model has the advantages that the spring 8 is made of spring steel; through setting up the spring steel, improve device's structural strength, improve device's life.

The utility model discloses a sealed effectual unloading valve, it is at work, at first gaseous entering air vent 4, and through the pressure effect of gaseous self, lift up linking post 5 and leakproofness rubber piece 6 simultaneously, and use through the cooperation of shrink pole 7 and spring 8, avoid linking post 5 to fly out air vent 4, simultaneously through rotating handle 11, drive threaded rod 10 and axis of rotation 9 rotate, because axis of rotation 9 and threaded rod 10 are eccentric connection, can realize the closure and the opening of leakproofness rubber piece 6 through the rotation of axis of rotation 9, improve the use convenience of device, thereby confirm linking post 5 and the opening quantity of leakproofness rubber piece 6, reach the control gas flow rate and reach the effect of off-load, avoided the trouble of preparation high accuracy spheroid, the economic usability of device has been improved, later be convenient for carry out regular clearance and maintenance to the inside of second fixed block 2 through setting up buckle closure 12, simultaneously through setting up sealed rubber ring, avoid gaseous opening part from second fixed block 2 to spill over, improve device's leakproofness, then through setting up connection piece 13, connecting bolt 14 and crashproof block rubber 15, avoid the device to appear colliding with, improve device's life.

The utility model discloses a sealed effectual off-load valve, its mounting means, connected mode or set up the mode and be common mechanical system, as long as can reach all can implement of its beneficial effect.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. The unloading valve with good sealing effect is characterized by comprising a first fixing block (1), a second fixing block (2), a plurality of groups of fastening bolts (3), a plurality of groups of linking columns (5), a plurality of groups of sealing rubber blocks (6), a plurality of groups of contraction rods (7), a plurality of groups of springs (8) and a regulating device, wherein the first fixing block (1) is in threaded connection with the second fixing block (2) through the fastening bolts (3), a cavity is arranged inside the second fixing block (2), a circular sealing ring is arranged between the first fixing block (1) and the second fixing block (2), a plurality of groups of vent holes (4) are arranged inside the first fixing block (1), each group of linking columns (5) corresponds to one group of vent holes (4) and is positioned in each vent hole (4), the top ends of the linking columns (5) are connected with the sealing rubber blocks (6) positioned in the cavity of the second fixing block (2), and the bottom of first fixed block (1) is provided with the recess, and shrink pole (7) are located the recess, and the top of shrink pole (7) is connected with the bottom of leakproofness block rubber (6) to spring (8) suit is in shrink pole (7), and the regulation and control device can control opening and closing of leakproofness block rubber (6).

2. An unloading valve with good sealing effect as claimed in claim 1, characterized in that the regulating device comprises a rotating shaft (9), a threaded rod (10) and a handle (11), the rotating shaft (9) is located in the cavity of the second fixed block (2), the rotating shaft (9) is eccentrically connected with the threaded rod (10), the threaded rod (10) is rotatably connected with the second fixed block (2), and the right end of the threaded rod (10) is connected with the handle (11).

3. An unloading valve with good sealing effect as claimed in claim 2, further comprising a cover (12), wherein the left end of the second fixing block (2) is provided with an opening, the cover (12) seals the opening, and the opening of the second fixing block (2) is provided with a sealing rubber ring.

4. An unloading valve with a good sealing effect according to claim 3, further comprising a connecting piece (13), a plurality of groups of connecting bolts (14) and an anti-collision rubber block (15), wherein the connecting piece (13) is in threaded connection with the left end of the first fixing block (1) through the plurality of groups of connecting bolts (14), and the anti-collision rubber block (15) is fixed on the connecting piece (13).

5. An unloading valve with good sealing effect as claimed in claim 4, further comprising an air outlet (16) and a filter screen (17), wherein the air outlet (16) is fixed at the front end of the right side of the second fixed block (2), and the filter screen (17) is fixed in the air outlet (16).

6. An unloading valve with a good sealing effect as claimed in claim 5, further comprising a limiting nut (18), wherein the limiting nut (18) is fixed between the threaded rod (10) and the rotating shaft (9).

7. An unloading valve with a good sealing effect as claimed in claim 6, wherein the threaded rod (10) is provided with an anti-slip rubber sleeve.

8. An unloader valve with good sealing effect according to claim 7, wherein the spring (8) is made of spring steel.