CN214425254U - Valve with reinforcement type self-sealing structure - Google Patents
Valve with reinforcement type self-sealing structure Download PDFInfo
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- CN214425254U CN214425254U CN202120614793.1U CN202120614793U CN214425254U CN 214425254 U CN214425254 U CN 214425254U CN 202120614793 U CN202120614793 U CN 202120614793U CN 214425254 U CN214425254 U CN 214425254U
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- valve rod
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Abstract
The utility model discloses a reinforcement type self sealss structure valve, including the flange seat, the flange seat includes connecting portion and installation department, be equipped with the sealing washer mounting groove in the connecting portion, install the sealing washer in the sealing washer mounting groove, it is equipped with the valve rod to go up to wear on the flange seat, the sealing washer suit is on the valve rod, be equipped with reinforcement structure on the flange seat, reinforcement structure includes the spacer ring, support the tight ring, the locking lid, keep away the dead slot, support tight ring upper end protrusion to the installation department top outside, and its up end and the interior diapire of locking lid offset, the locking lid screw thread closes soon on the installation department, its interior diapire supports tightly to support the tight ring and drives and support the tight ring and remove down. Through locking lid screw thread spiral closure on the installation department to drive locking lid extrusion and support the tight ring, make and support the tight ring and support tight spacer ring, and then make spacer ring extrusion sealing washer, make the sealing washer hold the valve rod tightly, improve with the area of contact of valve rod, when the sealing washer produces ageing like this, can promote the sealing performance of sealing washer.
Description
Technical Field
The utility model relates to the technical field of valves, specifically be a reinforcement type self sealss structure valve.
Background
Valves are plumbing accessories used to open and close a pipe, control flow direction, regulate and control parameters of the transport medium (temperature, pressure and flow). According to their function, they can be classified into shut-off valves, check valves, regulating valves, and the like. 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 existing valve mainly seals a valve body through a sealing ring, a valve rod can generate friction with the sealing ring when moving up and down (namely switching on and off), and long-term past sealing rings are aged, so that a gap is possibly generated at the joint of the sealing ring and the valve rod to reduce the sealing strength and influence the sealing of the valve rod.
In order to solve the above problems, a valve with a force-increasing self-sealing structure is proposed.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome prior art's defect, provide a reinforcement type self sealss structure valve, in order to solve above-mentioned technical problem, the utility model provides a following technical scheme:
the utility model provides a reinforcement type self-sealing structure valve, which comprises a flange seat arranged on a valve seat of the valve, wherein the flange seat comprises a connecting part and an installation part, a sealing ring installation groove is arranged in the connecting part, a sealing ring is arranged in the sealing ring installation groove, a valve rod is arranged on the flange seat in a sliding fit manner, the sealing ring is sleeved on the valve rod, a reinforcement structure is arranged on the flange seat and is used for generating downward pressure on the sealing ring to enable the sealing ring to tightly support the connecting surface of the sealing ring and the valve seat, the reinforcement structure comprises a spacer ring which is arranged in the sealing ring installation groove and is abutted against the upper end surface of the sealing ring, a support ring which extends into the sealing ring installation groove is arranged on the installation part in a sliding fit manner, the support ring is sleeved on the valve rod in a sliding fit manner, a locking cover is arranged on the installation part in a threaded manner, and a clearance groove for the valve rod to freely pass through is arranged on the locking cover, the upper end of the abutting ring protrudes to the outer side of the top of the installation part, the upper end face of the abutting ring abuts against the inner bottom wall of the locking cover, the locking cover is screwed on the installation part through threads, and the inner bottom wall of the locking cover abuts against the abutting ring and drives the abutting ring to move downwards.
As a further optimization of the above technical solution, the abutting ring and the spacer ring are both made of stainless steel.
As a further optimization of the above technical solution, the spacer ring is slidably engaged in the seal ring mounting groove.
As a further optimization of the above technical solution, a circular table portion with a diameter increasing from top to bottom is slidably mounted on the valve rod, and a locking groove adapted to the shape of the circular table portion and used for clamping the circular table portion is formed in the connecting portion.
As a further optimization of the above technical solution, the outer wall of the circular truncated cone is provided with a rubber layer.
Compared with the prior art, the utility model discloses the beneficial effect who reaches is: through locking lid screw thread closure on the installation department to drive locking lid extrusion and support the tight ring, make and support the tight ring and support tight spacer ring, and then make spacer ring extrusion sealing washer, make the sealing washer hold the valve rod tightly, improve with the area of contact of valve rod, when the sealing washer produces ageing like this, can promote the sealing performance of sealing washer, through setting up circular platform portion block in the locking inslot, make mechanical seal have between circular platform portion and the locking groove, improve the sealing performance of valve.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic cross-sectional view of a valve with a force-increasing self-sealing structure according to the present invention;
FIG. 2 is an exploded view of the structure of FIG. 1;
the reference numerals are explained below:
1-locking cover, 2-abutting ring, 3-spacer ring, 4-circular table part, 5-connecting part, 6-locking groove, 7-sealing ring mounting groove, 8-mounting part, 9-sealing ring and 10-valve rod.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Examples
As shown in fig. 1-2, a force-increasing type self-sealing structure valve comprises a flange seat installed on a valve seat of the valve, the flange seat comprises a connecting portion 5 and an installation portion 8, a sealing ring installation groove 7 is arranged in the connecting portion 5, a sealing ring 9 is installed in the sealing ring installation groove 7, a valve rod 10 is slidably arranged on the flange seat in a penetrating manner, the sealing ring 9 is sleeved on the valve rod 10, the flange seat is provided with a force-increasing structure, the force-increasing structure is used for generating downward pressure on the sealing ring 9 to enable the sealing ring 9 to tightly abut against a connecting surface of the sealing ring and the valve seat, the force-increasing structure comprises a spacer ring 3 which is arranged in the sealing ring installation groove 7 and abuts against the upper end surface of the sealing ring 9, the installation portion 8 is slidably arranged with a pressing ring 2 which extends into the sealing ring installation groove 7, the pressing ring 2 is slidably arranged on the valve rod 10, a locking cover 1 is sleeved on the installation portion 8 in a threaded manner, and a void-avoiding groove is arranged on the locking cover 1 for the valve rod 10 to freely pass through, support 2 upper ends of tight ring and bulge to the 8 top outsides of installation department, and its up end offsets with the diapire in the locking lid 1, locking lid 1 screw thread closes on installation department 8 soon, its diapire supports tightly supports tight ring 2 and drives and supports tight ring 2 and move down, close soon through locking lid 1 screw thread on installation department 8, with 1 extrusion of drive locking lid and support tight ring 2, make and support tight ring 2 and support tight spacer ring 3, and then make spacer ring 3 extrusion sealing washer 9, make sealing washer 9 hold tightly valve rod 10, improve the area of contact with valve rod 10, when sealing washer 9 produces ageing like this, can promote the sealing performance of sealing washer 9.
In this embodiment, the tightening ring 2 and the spacer ring 3 are both made of stainless steel, so that the tightening ring 2 and the spacer ring 3 have higher rigidity and reduce deformation of the tightening ring 2 and the spacer ring.
In the present embodiment, the spacer ring 3 is slidably engaged in the packing groove 7, so that the inner wall of the packing groove 7 and the spacer ring 3 have a certain sealing performance.
In this embodiment, a circular truncated cone portion 4 with a diameter gradually increasing from top to bottom is slidably mounted on the valve rod 10, a locking groove 6 which is matched with the circular truncated cone portion 4 in shape and used for clamping the circular truncated cone portion 4 is formed in the connecting portion 5, and the circular truncated cone portion 4 is clamped in the locking groove 6, so that mechanical sealing is provided between the circular truncated cone portion 4 and the locking groove 6, and the sealing performance of the valve is improved.
In the present embodiment, the outer wall of the circular table portion 4 is provided with a rubber layer (not shown in the figure), so that the sealing performance between the circular table portion 4 and the inner wall of the locking groove 6 is high.
The utility model discloses when using: locking lid 1 screw thread closes soon on installation department 8 to drive locking lid 1 extrusion and support tight ring 2, make and support tight ring 2 and support tight spacer ring 3, and then make spacer ring 3 extrusion sealing washer 9, make sealing washer 9 hold valve rod 10 tightly, improve with the area of contact of valve rod 10, like this when sealing washer 9 produces ageing, can promote the sealing performance of sealing washer 9.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A valve with a reinforcement type self-sealing structure comprises a flange seat arranged on a valve seat of the valve, wherein the flange seat comprises a connecting part (5) and an installation part (8), a sealing ring installation groove (7) is arranged in the connecting part (5), a sealing ring (9) is arranged in the sealing ring installation groove (7), a valve rod (10) is arranged on the flange seat in a sliding and penetrating manner, the sealing ring (9) is sleeved on the valve rod (10), the valve is characterized in that the flange seat is provided with a reinforcement structure, the reinforcement structure is used for generating downward pressure on the sealing ring (9) to enable the sealing ring (9) to tightly abut against the connecting surface of the sealing ring and the valve seat, the reinforcement structure comprises a spacer ring (3) which is arranged in the sealing ring installation groove (7) and abuts against the upper end face of the sealing ring (9), the installation part (8) is provided with a pressing ring (2) extending into the sealing ring installation groove (7) in a sliding and penetrating manner, support ring (2) sliding fit suit on valve rod (10), the screw thread cover is equipped with locking lid (1) on installation department (8), set up the dead slot of keeping away that supplies valve rod (10) to pass through freely on locking lid (1), support ring (2) upper end protrusion to installation department (8) top outside, and its up end with the diapire offsets in locking lid (1), locking lid (1) screw thread closes soon on installation department (8), and the diapire supports tightly in it support ring (2) and drive support ring (2) and move down.
2. A force increasing self-sealing valve according to claim 1, wherein the abutment ring (2) and the spacer ring (3) are made of stainless steel.
3. The valve with self-sealing structure of increased force as claimed in claim 1, wherein the spacer ring (3) is slidably engaged in the seal ring mounting groove (7).
4. The valve with the force-increasing self-sealing structure as claimed in claim 1, wherein the valve rod (10) is slidably fitted with a circular table portion (4) with a diameter increasing from top to bottom, and the connecting portion (5) is provided with a locking groove (6) which is matched with the shape of the circular table portion (4) and is used for clamping the circular table portion (4).
5. A valve of self-sealing construction of the force-increasing type according to claim 4, characterised in that the outer wall of the circular table portion (4) is provided with a rubber layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120614793.1U CN214425254U (en) | 2021-03-25 | 2021-03-25 | Valve with reinforcement type self-sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120614793.1U CN214425254U (en) | 2021-03-25 | 2021-03-25 | Valve with reinforcement type self-sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214425254U true CN214425254U (en) | 2021-10-19 |
Family
ID=78074794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120614793.1U Active CN214425254U (en) | 2021-03-25 | 2021-03-25 | Valve with reinforcement type self-sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214425254U (en) |
-
2021
- 2021-03-25 CN CN202120614793.1U patent/CN214425254U/en active Active
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