CN214888945U

CN214888945U - Convenient sealed governing valve of dismantling

Info

Publication number: CN214888945U
Application number: CN202121132754.4U
Authority: CN
Inventors: 代振廷; 肖雷; 李满义
Original assignee: Jiangsu Youtuo Precision Technology Co ltd
Current assignee: Jiangsu Youtuo Precision Technology Co ltd
Priority date: 2021-05-25
Filing date: 2021-05-25
Publication date: 2021-11-26
Anticipated expiration: 2031-05-25

Abstract

The utility model discloses a convenient sealed governing valve of dismantling, including valve body, valve gap, the valve body passes through bolt fixed connection with the valve gap, the valve body inner chamber is equipped with uide bushing, disk seat from top to bottom in proper order, the uide bushing bottom is equipped with the direction through-hole, sliding connection has the bellows subassembly in the direction through-hole, be equipped with the valve rod among the bellows subassembly, the bellows subassembly lower extreme is equipped with the case, be equipped with on the disk seat with case matched with disk seat through-hole, the disk seat passes through the disk seat groove with the valve body and can dismantle the connection. The utility model discloses a convenient sealed governing valve of dismantling, the subassembly can be dismantled in a flexible way in the valve, effectively improves the governing valve and maintains change efficiency, reduction in production cost, and the contactless of medium and valve rod, avoids the valve rod to be corroded by the medium, reduces the medium and from the outside possibility of leaking of valve rod movement clearance, improves the leakproofness of governing valve, prolongs the life of governing valve.

Description

Convenient sealed governing valve of dismantling

Technical Field

The utility model relates to a governing valve equipment technical field, concretely relates to convenient sealed governing valve of dismantling.

Background

The regulating valve is a key device in modern industrial production, can be used for changing the section of a passage and the flowing direction of a medium, has the functions of diversion, cut-off, throttling, non-return, flow division, overflow pressure relief and the like, and plays an important role in the automatic control of modern factories. Need select for use suitable governing valve to come to gas according to the operating mode of difference in industrial production, medium such as liquid carries out flow control, and most governing valves on the market are the integral type structure at present, the inside subassembly of governing valve is like the uide bushing, disk seat etc. can receive medium erosion in work and lead to the life-span to shorten, the fixed difficult dismantlement of inner assembly, inconvenient maintenance is changed, make use cost higher, be difficult to restore the reuse after the damage, and simultaneously, the valve rod that receives strong corrosive medium erosion corrodes easily ageing, the valve rod warp the damage, the medium leaks outside valve body from valve rod movement clearance department easily, influence the whole leakproofness of governing valve, be difficult to use in the automatic control procedure that has special medium such as strong corrosive nature, the range of application of governing valve has been restricted.

Disclosure of Invention

The utility model aims to provide a: the utility model provides a convenient sealed governing valve of dismantling, the subassembly can be dismantled in a flexible way in the valve, effectively improves the governing valve and maintains change efficiency, reduction in production cost, and the contactless of medium and valve rod, avoids the valve rod to be corroded by the medium, reduces the outward possibility of leaking of medium from the valve rod movement clearance, improves the leakproofness of governing valve, prolongs the life of governing valve.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a convenient sealed governing valve who dismantles, includes valve body, valve gap, the valve body passes through bolt fixed connection with the valve gap, the valve body inner chamber is equipped with uide bushing, disk seat from top to bottom in proper order, the uide bushing bottom is equipped with the direction through-hole, sliding connection has the bellows subassembly in the direction through-hole, be equipped with the valve rod in the bellows subassembly, the bellows subassembly lower extreme is equipped with the case, be equipped with on the disk seat with case matched with disk seat through-hole, be equipped with vertical baffle on the inner wall of valve body bottom, vertical baffle cooperatees with the horizontal boss that sets up on inner wall of valve body one side and forms the disk seat groove, the disk seat passes through the disk seat groove with the valve body and can dismantle with the valve body and be connected, the disk seat will the liquid inlet channel and the drain passage that communicate for the disk seat through-hole are separated to the valve body inner chamber.

The utility model discloses a further improvement is, the bellows subassembly include the elasticity bellows, set up in a protruding ring of bellows upper end, set up in the connecting portion of bellows lower extreme, a protruding ring presss from both sides tightly between valve body and the valve gap, connecting portion sliding connection be in the direction through-hole.

The utility model discloses further improve the scheme be, be equipped with in the connecting portion with valve rod assorted draw-in groove, the draw-in groove with valve rod lower extreme fixed connection, connecting portion lower extreme center is fixed and is equipped with the case.

The utility model discloses further improve the scheme and be, the upper end of uide bushing is equipped with to tightly be in the second evagination ring of the lower extreme of first evagination ring, the second evagination ring with first evagination ring size is the same.

The utility model discloses a further improvement is, the valve body upper end be equipped with first evagination ring assorted annular groove, first evagination ring is in with second evagination ring block in the annular groove.

The utility model discloses further improve the scheme and be, disk seat inslot wall is equipped with the internal thread, the disk seat outside be equipped with internal thread assorted external screw thread, the disk seat up end is equipped with the constant head tank.

The utility model discloses a further improvement scheme is, the constant head tank is the symmetry setting.

The utility model discloses further improve the scheme and be, the disk seat up end is greater than for the external diameter the spacing collar of internal thread external diameter.

The utility model discloses further improve the scheme and be, valve rod, draw-in groove, guiding through hole, disk seat through-hole are coaxial setting. The beneficial effects of the utility model reside in that:

first, the utility model discloses a convenient sealed governing valve of dismantling, the uide bushing can be dismantled with interior subassembly such as bellows subassembly and be connected, and the junction inner wall of valve body and disk seat is equipped with the internal thread, the disk seat outside be equipped with internal thread assorted external screw thread, disk seat up end are equipped with the constant head tank. The positioning grooves are symmetrically arranged. Realized the demountable installation of governing valve inside assembly, only need insert the constant head tank with the shaft-like instrument of two screwdrivers class and so on and together carry out the turn-knob and can unscrew the valve seat slot with the valve seat when the valve seat needs to be changed, it is convenient to change, and required instrument is common, only need when needs change uide bushing and bellows subassembly take it out can, effectively improve the governing valve and maintain change efficiency.

Second, the utility model discloses a convenient sealed governing valve of dismantling has the bellows subassembly through sliding connection in the guiding through-hole, be equipped with the valve rod among the bellows subassembly, the bellows subassembly lower extreme is equipped with the case, and corresponding axial elastic deformation takes place for the bellows subassembly when axial displacement, and the bellows subassembly can not take place the friction loss between bellows and the valve rod when the valve rod activity, therefore its sealing performance improves, can guarantee the zero leakage of transport medium, and the valve body structure is compacter, and then enlarges the range of application of governing valve.

Third, the utility model discloses a convenient sealed governing valve who dismantles, through the elasticity bellows, set up in a protruding ring outside the bellows upper end, set up in the connecting portion of bellows lower extreme, a protruding ring presss from both sides tightly and is in between valve body and the valve gap, connecting portion sliding connection be in the direction through-hole. The medium can only get into between uide bushing and the bellows subassembly at most in the process of oozing, can't infiltrate in the bellows subassembly and contact with the valve rod, can effectively avoid the valve rod to be corroded by the medium, reduces the medium and outwards leaks the possibility from the valve rod movement clearance, improves the life of governing valve.

Fourth, the utility model discloses a convenient sealed governing valve of dismantling, the uide bushing bottom is equipped with the direction through-hole, sliding connection has the bellows subassembly in the direction through-hole, be equipped with in the connecting portion of bellows subassembly with valve rod assorted draw-in groove, the draw-in groove with valve rod lower extreme fixed connection, connecting portion lower extreme center is fixed and is equipped with the case. Can reduce the production vibration when the regulating valve is opened or is closed, support connecting portion through the direction through-hole, connecting portion fix the valve rod, avoid the valve rod eccentric, reduce the valve rod high pressure and probably make the crooked condition of valve rod appear in the overlength, maintain the axiality of valve rod, reduce the potential safety hazard.

Fifth, the utility model discloses a convenient sealed governing valve of dismantling is equipped with through the upper end of uide bushing and supports tightly the second evagination ring of the lower extreme of first evagination ring, the second evagination ring with first evagination ring size is the same. The upper end of the valve body is provided with an annular groove matched with the first outer convex ring, and the first outer convex ring and the second outer convex ring are clamped in the annular groove. Can be further seal fixedly to uide bushing and bellows subassembly, first outer bulge loop supports tightly and compresses tightly in the valve body recess through the valve gap with the second outer bulge loop, improves the whole leakproofness of governing valve, reduces the outward possibility of leaking of medium from valve rod movement gap, further improves the sealed effect of governing valve.

Sixth, the utility model discloses a convenient sealed governing valve of dismantling, disk seat up end are greater than for the external diameter the spacing collar of internal thread external diameter. Can avoid the excessive screw in valve seat groove of disk seat to lead to the sealed effect of case to the disk seat to descend, simultaneously, the spacing collar is located disk seat groove top when changing the valve seat, can support to press and unscrew the disk seat, and is more laborsaving.

Description of the drawings:

fig. 1 is a main sectional view of the sealing regulating valve convenient to disassemble according to the present invention.

In the figure, 1-valve body, 2-valve cover, 3-guide sleeve, 4-valve seat, 5-guide through hole, 6-bellows component, 7-valve rod, 8-valve core, 9-valve seat through hole, 10-liquid inlet channel, 11-liquid outlet channel, 12-bellows, 13-first convex ring, 14-connecting part, 15-clamping groove, 16-second convex ring, 17-groove, 18-vertical partition plate, 19-boss, 20-valve seat groove, 21-positioning groove and 22-limiting ring.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

As can be seen from fig. 1, the present embodiment provides a conveniently detachable seal-regulating valve, which includes a valve body 1, a valve cover 2, the valve body 1 is fixedly connected with the valve cover 2 through bolts, the guide sleeve 3 and the valve seat 4 are sequentially arranged in the inner cavity of the valve body 1 from top to bottom, the bottom of the guide sleeve 3 is provided with a guide through hole 5, a corrugated pipe assembly 6 is connected in the guide through hole 5 in a sliding way, a valve rod 7 is arranged in the corrugated pipe component 6, a valve core 8 is arranged at the lower end of the corrugated pipe component 6, the valve seat 4 is provided with a valve seat through hole 9 matched with the valve core 8, the inner wall of the bottom end of the valve body 1 is provided with a vertical clapboard 18, the vertical partition 18 cooperates with a horizontal boss 19 provided on one side inner wall of the valve body to form a valve seat groove 20, the valve seat 4 is detachably connected with the valve body 1 through a valve seat groove 20, and the valve seat 4 divides the inner cavity of the valve body 1 into a liquid inlet channel 10 and a liquid outlet channel 11 which are communicated through a valve seat through hole 9. Realized the demountable installation of governing valve inner assembly, only need insert the constant head tank 21 with the shaft-like instrument of two bottle drivers class and so on and together carry out the turn-knob and can unscrew valve seat 4 valve seat groove 20 when needing to change valve seat 4, it is convenient to change, and required instrument is common, only need when needs change uide bushing 3 with bellows subassembly 6 take it out can, effectively improve the governing valve and maintain change efficiency.

The corrugated pipe assembly 6 comprises an elastic corrugated pipe 12, a first outer convex ring 13 arranged at the upper end of the corrugated pipe 12 and a connecting part 14 arranged at the lower end of the corrugated pipe 12, the first outer convex ring 13 is clamped between the valve body 1 and the valve cover 2, and the connecting part 14 is connected in the guide through hole 5 in a sliding mode. The bellows 12 is a PTFE bellows. The corrugated pipe 12 has good deformability, aging resistance and safety and reliability. The medium can only get into between uide bushing 3 and bellows subassembly 6 at most in the process of oozing, can't infiltrate contact with valve rod 7 in the bellows subassembly 6, can effectively avoid valve rod 7 to be corroded by the medium, reduces the outward possibility of leaking of medium from valve rod 7 movement gap, improves the life of governing valve. When the valve rod 7 is in axial displacement, the bellows assembly 6 generates corresponding axial elastic deformation, when the valve rod 7 moves, the bellows assembly 6 does not generate friction loss between the bellows 12 and the valve rod 7, so that the sealing performance is improved, zero leakage of a conveying medium can be guaranteed, the structure of the valve body 1 is more compact, and the application range of the regulating valve is further expanded.

A clamping groove 15 matched with the valve rod 7 is formed in the connecting portion 14, the clamping groove 15 is fixedly connected with the lower end of the valve rod 7, and the valve core 8 is fixedly arranged at the center of the lower end of the connecting portion 14. The valve rod 7, the clamping groove 15, the guide through hole 5 and the valve seat through hole 5 are coaxially arranged. Can reduce the production vibration when the regulating valve is opened or is closed, support connecting portion 14 through guide through hole 5, connecting portion 14 fixes valve rod 7, avoids valve rod 7 eccentric, and the high pressure probably makes the crooked condition of valve rod 7 appear when reducing valve rod 7 overlength, maintains the axiality of valve rod 7, reduces the potential safety hazard.

The upper end of the guide sleeve 3 is provided with a second convex ring 16 which is tightly propped against the lower end of the first convex ring 13, and the size of the second convex ring 16 is the same as that of the first convex ring 13. The upper end of the valve body 1 is provided with an annular groove 17 matched with the first outer convex ring 13, and the first outer convex ring 13 and the second outer convex ring 16 are clamped in the annular groove 17. Can further seal fixedly to uide bushing 3 and bellows subassembly 6, first evagination ring 13 supports tightly and compresses tightly in 1 recess 17 of valve body through valve gap 2 with second evagination ring 16, improves the whole leakproofness of governing valve, reduces the medium from the outside possibility of leaking in valve rod 7 movement gap, further improves the sealed effect of governing valve.

The inner wall of the valve seat groove 20 is provided with an internal thread, the outer side of the valve seat 4 is provided with an external thread matched with the internal thread, and the upper end face of the valve seat 4 is provided with a positioning groove 21. The positioning grooves 21 are symmetrically arranged. The valve seat 4 is in threaded connection with the valve seat groove 20. The upper end surface of the valve seat 4 is a limiting ring 22 with the outer diameter larger than that of the internal thread. The sealing effect of the valve core 8 on the valve seat 4 can be prevented from being reduced due to the fact that the valve seat 4 is excessively screwed into the valve seat groove 20, meanwhile, when the valve seat 4 is replaced, the limiting ring 22 is located above the valve seat groove 20 and can be pressed to be screwed out of the valve seat 4, and labor is saved.

During operation, insert the constant head tank 21 on the disk seat 4 through shaft-like instrument earlier and carry out the knob with disk seat 4 screw in valve seat groove 20, with the second evagination ring 16 of uide bushing 3 in through recess 17 block in valve body 1, first evagination ring 13 of bellows subassembly 6 upper end supports tightly on the second evagination ring 67 of uide bushing 3 upper end through recess 17, and connecting portion 14 sliding connection of bellows subassembly 6 lower extreme is in the guide through-hole 5 of stand pipe 3, valve rod 7 passes through draw-in groove 15 and connecting portion 14 fixed connection, connecting portion 14 bottom is equipped with disk seat through-hole 9 matched with case 8, when the governing valve was closed, case 8 supported tightly in disk seat through-hole 9. The medium can get into between uide bushing 3 and bellows subassembly 6 at most in transmission process, can't infiltrate in the bellows subassembly 6 with valve rod 7 contact, can effectively avoid valve rod 7 to be corroded by the medium, reduces the medium and outwards leaks from valve rod 7 movement gap's possibility, improves the leakproofness of governing valve, and the extension improves the life of governing valve, has realized the demountable installation of governing valve inner assembly.

Claims

1. The utility model provides a convenient sealed governing valve of dismantling, includes valve body (1), valve gap (2), bolt fixed connection, its characterized in that are passed through with valve gap (2) in valve body (1): the inner cavity of the valve body (1) is sequentially provided with a guide sleeve (3) and a valve seat (4) from top to bottom, the bottom of the guide sleeve (3) is provided with a guide through hole (5), the guide through hole (5) is connected with a corrugated pipe component (6) in a sliding way, a valve rod (7) is arranged in the corrugated pipe component (6), a valve core (8) is arranged at the lower end of the corrugated pipe component (6), a valve seat through hole (9) matched with the valve core (8) is arranged on the valve seat (4), a vertical clapboard (18) is arranged on the inner wall of the bottom end of the valve body (1), the vertical clapboard (18) is matched with a horizontal boss (19) arranged on the inner wall of one side of the valve body to form a valve seat groove (20), the valve seat (4) is detachably connected with the valve body (1) through a valve seat groove (20), the valve seat (4) divides the inner cavity of the valve body (1) into a liquid inlet channel (10) and a liquid outlet channel (11) which are communicated by the valve seat through hole (9).

2. A seal-regulating valve to facilitate disassembly as defined in claim 1, wherein: bellows subassembly (6) including elasticity bellows (12), set up in bellows (12) upper end first protruding ring (13), set up in connecting portion (14) of bellows (12) lower extreme, first protruding ring (13) press from both sides tightly in between valve body (1) and valve gap (2), connecting portion (14) sliding connection be in direction through-hole (5).

3. A seal-regulating valve to facilitate disassembly as claimed in claim 2, wherein: a clamping groove (15) matched with the valve rod (7) is formed in the connecting portion (14), the clamping groove (15) is fixedly connected with the lower end of the valve rod (7), and the valve core (8) is fixedly arranged at the center of the lower end of the connecting portion (14).

4. A seal-regulating valve to facilitate disassembly as claimed in claim 2, wherein: the upper end of the guide sleeve (3) is provided with a second outward convex ring (16) which is tightly propped against the lower end of the first outward convex ring (13), and the size of the second outward convex ring (16) is the same as that of the first outward convex ring (13).

5. The easy-to-disassemble seal regulating valve as claimed in claim 4, wherein: the valve is characterized in that an annular groove (17) matched with the first outer convex ring (13) is formed in the upper end of the valve body (1), and the first outer convex ring (13) and the second outer convex ring (16) are clamped in the annular groove (17).

6. A seal-regulating valve to facilitate disassembly as defined in claim 1, wherein: the inner wall of the valve seat groove (20) is provided with an internal thread, the outer side of the valve seat (4) is provided with an external thread matched with the internal thread, and the upper end face of the valve seat (4) is provided with a positioning groove (21).

7. The easy-to-disassemble seal-adjustable valve according to claim 6, wherein: the positioning grooves (21) are symmetrically arranged.

8. A seal-regulating valve to facilitate disassembly as defined in claim 7, wherein: the upper end face of the valve seat (4) is a limiting ring (22) with the outer diameter larger than that of the internal thread.

9. A seal-regulating valve to facilitate disassembly as claimed in claim 3, wherein: the valve rod (7), the clamping groove (15), the guide through hole (5) and the valve seat through hole (9) are coaxially arranged.