CN211398623U

CN211398623U - Z-shaped surface sealing structure of valve

Info

Publication number: CN211398623U
Application number: CN201921632668.2U
Authority: CN
Inventors: 陈钟寿
Original assignee: Anhui Kangset Fluid Control Technology Co ltd
Current assignee: Anhui Kangset Fluid Control Technology Co ltd
Priority date: 2019-09-28
Filing date: 2019-09-28
Publication date: 2020-09-01
Anticipated expiration: 2029-09-28

Abstract

The utility model provides a valve Z profile seal structure, including valve body, annular seat, sealing mechanism and adjustment mechanism, inside one side of valve body is equipped with the admission passage, the inside opposite side of valve body is equipped with the outflow passageway, admission passage and outflow passageway intersection inner wall welding and annular seat, the through-hole has been seted up to the symmetry in the annular seat, be equipped with sealing mechanism in the through-hole, be close to sealing mechanism position department on the valve body and be equipped with adjustment mechanism. Compared with the prior art, be equipped with adjustment mechanism in the inside of valve body, the removal of drive sealing mechanism through adjustment mechanism's regulation for sealing mechanism laminates the valve clack more, thereby makes the leakproofness of this valve body better, when using this valve body for a long time in addition, because the leakproofness variation that wearing and tearing problem leads to, the accessible changes the sealing mechanism position, improves the leakproofness, makes the life of this valve body longer.

Description

Z-shaped surface sealing structure of valve

Technical Field

The utility model relates to the technical field of valves, especially, relate to a valve Z profile seal structure.

Background

The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like. Valves used in fluid control systems range in variety and size from the simplest shut-off valves to the variety of valves used in extremely complex autonomous systems. The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The valves are classified into cast iron valves, cast steel valves, stainless steel valves, chrome molybdenum vanadium steel valves, dual-phase steel valves, plastic valves, nonstandard valves, and the like according to the material.

However, when the existing Z-shaped surface sealing structure of the valve is used, the sealing position is difficult to adjust, so that after the valve is used for a long time, the sealing property is poor, the leakage phenomenon can occur, and the using effect is not good.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to prior art's not enough, a valve Z profile seal structure is provided.

The utility model discloses a following technical means realizes solving above-mentioned technical problem:

the utility model provides a valve Z profile seal structure, includes valve body, annular seat, sealing mechanism and adjustment mechanism, inside one side of valve body is equipped with the admission passage, the inside opposite side of valve body is equipped with the outflow passageway, admission passage and outflow passageway intersection inner wall welding and annular seat, the through-hole has been seted up to the symmetry in the annular seat, be equipped with sealing mechanism in the through-hole, be close to sealing mechanism position department on the valve body and be equipped with adjustment mechanism, adjustment mechanism is used for adjusting the sealing mechanism position.

Preferably, the sealing mechanism comprises an elastic contact block, a sealing convex ring and an elastic sealing strip, the elastic contact block is arranged inside the through hole, one side of the elastic sealing strip is welded around the elastic contact block, the other side of the elastic sealing strip is welded with the annular seat, and the sealing convex ring is welded on the side wall of the elastic contact block.

Preferably, adjustment mechanism is including adjusting pole, first thread head, second thread head and nut, it is the round platform shape structure to adjust the pole, it runs through the setting on the valve body to adjust the pole, adjust pole and conflict piece contactless each other, the one end of adjusting the pole is connected with first thread head, the other end of adjusting the pole is connected with second thread head, all be equipped with the nut on first thread head and the second thread head.

Preferably, the contact surface of the elastic contact block and the adjusting rod is of an inclined surface structure, and the inclined surface is the same as the inclined angle of the adjusting rod.

Preferably, the top of valve body is equipped with the valve cover board, wear to be equipped with the valve rod on the valve cover board, the bottom of valve rod is located the inside valve clack that is equipped with of valve body, the bottom of valve clack is fixed with the sealing block that the diameter is less than the valve clack.

Preferably, a concave groove is formed at the intersection between the valve clack and the sealing block, and the concave groove is used for clamping the sealing convex ring.

The utility model has the advantages that: the valve comprises a valve body, a valve clack, a sealing mechanism, a regulating mechanism, a valve seat, a valve rod; secondly the bottom of valve clack is equipped with sealed piece, is equipped with the concave surface groove between valve clack and sealed piece, through the sealed bulge loop on the concave surface groove block seal mechanism, can further improve the leakproofness on the one hand, and on the other hand can assist the position of restriction valve clack for the position of valve clack is more stable.

Drawings

Fig. 1 is a schematic structural view of a Z-shaped surface sealing structure of a valve according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a sealing mechanism according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of an adjusting mechanism according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a valve flap according to an embodiment of the present invention.

Reference numbers in the figures: 10. the valve comprises a valve body, 11, an inlet channel, 12, an outlet channel, 13, a valve cover plate, 14, a valve rod, 15, a valve clack, 151, a sealing block, 152, a concave groove, 20, an annular seat, 30, a sealing mechanism, 31, an elastic contact block, 32, a sealing convex ring, 33, an elastic sealing strip, 40, an adjusting mechanism, 41, an adjusting rod, 42, a first thread head, 43, a second thread head, 44 and a nut.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Examples

As shown in fig. 1 and fig. 3, the Z-shaped surface sealing structure of the valve in the present embodiment includes a valve body 10, an annular seat 20, a sealing mechanism 30, and an adjusting mechanism 40, wherein an inlet channel 11 is disposed on one side inside the valve body 10, an outlet channel 12 is disposed on the other side inside the valve body 10, an inner wall of a junction of the inlet channel 11 and the outlet channel 12 is welded to the annular seat 20, through holes are symmetrically formed in the annular seat 20, the sealing mechanism 30 is disposed in the through holes, the adjusting mechanism 40 is disposed on the valve body 10 near the sealing mechanism 30, and the adjusting mechanism 40 is used for adjusting the position of the sealing mechanism 30.

The setting of annular seat 20 is used for restricting the position of sealing mechanism 30, make sealing mechanism 30 can not take place to rock the phenomenon, regulation through adjustment mechanism 40 drives sealing mechanism 30's removal, make sealing mechanism laminate valve clack 15 more, thereby make this valve body 10's leakproofness better, in addition when using this valve body 10 for a long time, because the leakproofness variation that the wearing and tearing problem leads to, the accessible changes sealing mechanism 30 position, improve the leakproofness, make this valve body 10's life longer.

As shown in fig. 2, the sealing mechanism 30 includes an elastic contact block 31, a sealing convex ring 32 and an elastic sealing band 33, the elastic contact block 31 is disposed inside the through hole, one side of the elastic sealing band 33 is welded around the elastic contact block 31, the other side of the elastic sealing band 33 is welded to the annular seat 20, and the sealing convex ring 32 is welded to the side wall of the elastic contact block 31.

The opposite side and the welding of annular seat 20 of elastic sealing area 33, the welding has sealed bulge loop 32 on the lateral wall of elasticity conflict piece 31 for elasticity conflict piece 31 is at the in-process that removes, and elastic sealing area 33 can seal the through-hole, avoids the medium of the inside circulation of valve body 10 to enter into the through-hole, and sealed bulge loop 32 sets up two rings altogether, and has elasticity, when contacting with valve clack 15, can better rather than laminating, improves the leakproofness.

As shown in fig. 3, the adjusting mechanism 40 includes an adjusting rod 41, a first thread head 42, a second thread head 43 and a nut 44, the adjusting rod 41 is of a circular truncated cone structure, the adjusting rod 41 is disposed on the valve body 10 in a penetrating manner, the adjusting rod 41 is in contact with the abutting block 31, one end of the adjusting rod 41 is connected with the first thread head 42, the other end of the adjusting rod 41 is connected with the second thread head 43, and the first thread head 42 and the second thread head 43 are both provided with nuts 44.

The adjusting rod 41 is of a circular truncated cone-shaped structure, when the position of the sealing mechanism 30 needs to be adjusted, the adjusting rod 41 is moved to the end with the small diameter of the adjusting rod 41, the end with the large diameter of the adjusting rod 41 is abutted against the sealing mechanism 30, the sealing mechanism 30 protrudes outwards, the adjusting rod is better contacted with the valve clack 15, the sealing performance is improved, after the position of the adjusting rod 41 is moved, the adjusting rod is screwed on the first threaded head 42 and the second threaded head 43 through the nut 44, the position of the adjusting rod 41 relative to the valve body 10 is fixed, and the position of the adjusting rod 41 can be limited.

As shown in fig. 2-3, the contact surface of the elastic contact block 31 and the adjusting rod 41 is an inclined surface structure, and the inclined angle of the inclined surface is the same as the inclined angle of the adjusting rod 41.

The inclined plane is the same with the inclination of adjusting pole 41, can be so that to touch 31 and adjust between the pole 41 for line contact, and the non-point contact through the removal of adjusting pole 41, more stable to the regulation of touch 31, the while is better to the spacing effect of conflict piece 31 after the position control, can not produce and rock the phenomenon.

As shown in fig. 4, a valve cover plate 13 is disposed on the top of the valve body 10, a valve rod 14 is disposed on the valve cover plate 13 in a penetrating manner, a valve flap 15 is disposed at the bottom end of the valve rod 14 inside the valve body 10, and a sealing block 151 having a diameter smaller than that of the valve flap 15 is fixed to the bottom of the valve flap 15.

The intersection between the valve flap 15 and the sealing block 151 is provided with a concave groove 152, and the concave groove 152 is used for clamping the sealing convex ring 32.

Through the double seal of valve clack 15 and sealing block 151, can make this valve body 10's whole leakproofness higher, sealing block 151 diameter is less than the diameter of valve clack 15, can make sealing block 151 be convenient for pass the space that leaves between entering passageway 11 and the outflow passageway 12, when sealing block 151 passes the space that leaves, adjust sealing mechanism 30 position, make the last sealing bulge loop 32 of sealing mechanism 30 contradict to the concave surface groove 152 that the junction was seted up between valve clack 15 and the sealing block 151 in, thereby restrict the position of valve clack 15, when improving the leakproofness, can make the position of valve clack 15 more stable.

In this embodiment, when in use, the valve flap 14 drives the valve flap 15 to move, so that the concave groove 152 between the valve flap 15 and the sealing block 151 is located at the plane of the sealing convex ring 32, and a user operates the adjusting rod 41 to move the adjusting rod 41 to the end of the adjusting rod 41 with a smaller diameter, so that the end of the adjusting rod 41 with a larger diameter abuts against the sealing mechanism 30, so that the sealing mechanism 30 protrudes outward and is better contacted with the valve flap 15, thereby improving the sealing performance, and after the position of the adjusting rod 41 is moved, the position of the adjustment rod 41 relative to the valve body 10 is fixed by screwing the nut 44 onto the first screw head 42 and the second screw head 43, the position of the adjustment lever 41 is restricted, so that the elastic sealing band 33 of the sealing mechanism 30 abuts against the concave groove 152, the sealing performance of the valve clack 15 is improved, the position of the valve clack 15 can be limited, and the using effect is better.

It is noted that, in this document, relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a valve Z profile seal structure which characterized in that: including valve body (10), annular seat (20), sealing mechanism (30) and adjustment mechanism (40), inside one side of valve body (10) is equipped with admission passage (11), the inside opposite side of valve body (10) is equipped with outflow passageway (12), admission passage (11) and outflow passageway (12) intersection inner wall welding and annular seat (20), the through-hole has been seted up to the symmetry in annular seat (20), be equipped with sealing mechanism (30) in the through-hole, be close to sealing mechanism (30) position department on valve body (10) and be equipped with adjustment mechanism (40), adjustment mechanism (40) are used for adjusting sealing mechanism (30) position.

2. A valve Z-profile seal arrangement according to claim 1, wherein: sealing mechanism (30) include elasticity and support contact block (31), sealed bulge loop (32) and elastic sealing area (33), elasticity supports contact block (31) and sets up inside the through-hole, elasticity supports contact block (31) weld elastic sealing area (33) one side all around, the opposite side and the annular seat (20) welding of elastic sealing area (33), the welding has sealed bulge loop (32) on the lateral wall of elasticity support contact block (31).

3. A valve Z-profile seal arrangement according to claim 2, wherein: adjustment mechanism (40) are including adjusting pole (41), first thread (42), second thread (43) and nut (44), it is round platform shape structure to adjust pole (41), it runs through the setting on valve body (10) to adjust pole (41), adjust pole (41) and conflict piece (31) mutual contact, the one end of adjusting pole (41) is connected with first thread (42), the other end of adjusting pole (41) is connected with second thread (43), all be equipped with nut (44) on first thread (42) and the second thread (43).

4. A valve Z-profile seal arrangement according to claim 3, wherein: the contact surface of the elastic contact block (31) and the adjusting rod (41) is of an inclined surface structure, and the inclined angle of the inclined surface is the same as that of the adjusting rod (41).

5. The Z-profile seal structure for a valve according to claim 4, wherein: the valve is characterized in that a valve cover plate (13) is arranged at the top of the valve body (10), a valve rod (14) is arranged on the valve cover plate (13) in a penetrating mode, a valve clack (15) is arranged inside the valve body (10) at the bottom end of the valve rod (14), and a sealing block (151) with the diameter smaller than that of the valve clack (15) is fixed at the bottom of the valve clack (15).

6. The Z-profile seal structure for a valve according to claim 5, wherein: a concave groove (152) is formed in the intersection between the valve clack (15) and the sealing block (151), and the concave groove (152) is used for clamping the sealing convex ring (32).