CN214197277U - High-sealing cutoff valve - Google Patents

High-sealing cutoff valve Download PDF

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Publication number
CN214197277U
CN214197277U CN202023119931.3U CN202023119931U CN214197277U CN 214197277 U CN214197277 U CN 214197277U CN 202023119931 U CN202023119931 U CN 202023119931U CN 214197277 U CN214197277 U CN 214197277U
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CN
China
Prior art keywords
sealing
groove
arc
valve
sealing ring
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Active
Application number
CN202023119931.3U
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Chinese (zh)
Inventor
郭标华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yuhuan Chuanye Valve Co ltd
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Yuhuan Chuanye Valve Co ltd
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Priority to CN202023119931.3U priority Critical patent/CN214197277U/en
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Publication of CN214197277U publication Critical patent/CN214197277U/en
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Abstract

The utility model discloses a high-sealing cut-off valve, which comprises a valve body, a valve core, a valve rod and a hand wheel, wherein a water passing port is formed in the valve body, the valve core blocks the water passing port, a thick sealing gasket made of hard plastic is fixed at the bottom of the valve core, a mounting groove with an isosceles trapezoid cross section is inwards arranged on the bottom end surface of the thick sealing gasket, an annular sealing ring with an isosceles trapezoid cross section is arranged on the mounting groove, and the sealing ring extends out of the mounting groove and is abutted against the end surface of the water passing port; and a sealing groove matched with the sealing ring is arranged on the end surface of the water passing port, the depth of the sealing groove is greater than the height of the sealing ring extending out of the placing groove, and the sealing ring is fixed in the placing groove through an adhesive.

Description

High-sealing cutoff valve
Technical Field
The utility model belongs to the technical field of the valve, refer in particular to a high sealed valve that dams.
Background
The valve is a positive seal type shut-off device, so that pressure must be applied to the flap to force the sealing surface from leaking when the valve is closed. However, the existing valve only depends on the abutting of the thick sealing gasket and the end surface of the water passing port to realize the interception, thereby causing poor interception effect.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a not enough to prior art exists, the utility model aims to provide a simple structure and the good valve of sealing performance who dams.
In order to achieve the above purpose, the utility model provides a following technical scheme: a high-sealing cut-off valve comprises a valve body, a valve core, a valve rod and a hand wheel, wherein a water passing port is formed in the valve body, the valve core blocks the water passing port, a thick sealing gasket made of hard plastic is fixed at the bottom of the valve core, a mounting groove with an isosceles trapezoid-shaped cross section is inwards arranged on the end face of the bottom of the thick sealing gasket, an annular sealing ring with an isosceles trapezoid-shaped cross section is arranged on the mounting groove, and the sealing ring extends out of the mounting groove and abuts against the end face of the water passing port; and a sealing groove matched with the sealing ring is arranged on the end surface of the water passing port, the depth of the sealing groove is greater than the height of the sealing ring extending out of the placing groove, and the sealing ring is fixed in the placing groove through an adhesive.
Through adopting foretell technical scheme, set up the effect that sealing ring and seal groove can improve damming, and set up the fixed of the sealing ring that the arrangement groove can be convenient for, and make the sealing ring be difficult for droing.
The utility model discloses further set up to: the bottom of the sealing ring is provided with an arc-shaped sealing groove; the bottom of the arc-shaped sealing groove is provided with an arc-shaped sealing convex part matched with the sealing groove, and the bottom of the arc-shaped sealing convex part is provided with a raised part.
Through adopting foretell technical scheme, set up the sealed recess of arc and the sealed portion of arc and can further improve cross-section and sealed effect.
The utility model discloses further set up to: a plurality of sealing bulges which are uniformly distributed are arranged on two sides of the part of the sealing ring, which extends out of the placement groove, and the cross sections of the sealing bulges are arc-shaped.
Through adopting foretell technical scheme, set up sealed protruding both sides that can ensure the sealing effect when contacting between sealing ring and the seal groove.
The utility model discloses further set up to: an annular reinforcing piece with a T-shaped section is integrally formed in the sealing ring.
Through adopting foretell technical scheme, set up the reinforcement and can improve the holistic structural strength of sealing ring.
The utility model discloses further set up to: the bottom of reinforcement is provided with and is annular arc clamping part, the arc clamping part be located the inboard of the sealed recess position of arc, just reinforcement and arc clamping part integrated into one piece just make by the spring steel.
By adopting the technical scheme, the arc-shaped clamping part can ensure that the arc-shaped sealing groove is not deformed, so that the sealing reliability is ensured, and the reinforcing piece is made of spring steel, so that the strength of the reinforcing piece can be further ensured.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at I;
reference numbers in the drawings and corresponding part names: 1-valve body, 2-valve core, 3-valve rod, 4-hand wheel, 5-water passing port, 6-sealing thick gasket, 7-arrangement groove, 8-sealing ring, 9-sealing groove, 10-arc sealing groove, 11-arc sealing convex part, 12-heightening part, 13-sealing bulge, 14-reinforcing part and 15-arc clamping part.
Detailed Description
An embodiment of the present invention is further explained with reference to fig. 1 to 2.
A high-sealing cut-off valve comprises a valve body 1, a valve core 2, a valve rod 3 and a hand wheel 4, wherein a water passing port 5 is formed in the valve body 1, the valve core 2 blocks the water passing port 5, a thick sealing gasket 6 made of hard plastic is fixed at the bottom of the valve core 2, a mounting groove 7 with an isosceles trapezoid-shaped section is inwards arranged on the end surface of the bottom of the thick sealing gasket 6, an annular sealing ring 8 with an isosceles trapezoid-shaped section is arranged on the mounting groove 7, and the sealing ring 8 extends out of the mounting groove 7 and abuts against the end surface of the water passing port 5; and a sealing groove 9 matched with the sealing ring 8 is arranged on the end surface of the water passing port 5, the depth of the sealing groove 9 is greater than the height of the sealing ring 8 extending out of the arranging groove 7, and the sealing ring 8 is fixed in the arranging groove 7 through an adhesive.
The effect of damming can be improved through setting up sealing ring 8 and seal groove 9, and set up the fixed of the sealing ring 8 of arranging groove 7 ability of being convenient for, and make sealing ring 8 be difficult for droing.
Further: an arc-shaped sealing groove 10 is formed at the bottom of the sealing ring 8; the bottom of the arc-shaped sealing groove 9 is provided with an arc-shaped sealing convex part 11 matched with the sealing groove, and the bottom of the arc-shaped sealing convex part 11 is provided with a raised part 12.
The cross section and the sealing effect can be further improved by arranging the arc-shaped sealing groove 10 and the arc-shaped sealing part.
Further: a plurality of sealing bulges 13 which are uniformly distributed are arranged on two sides of the part of the sealing ring 8 extending out of the placing groove 7, and the cross sections of the sealing bulges 13 are arc-shaped.
The sealing effect at the time of contact between both sides of the sealing ring 8 and the sealing groove 9 can be ensured by providing the sealing projection 13.
Further: an annular reinforcing member 14 having a T-shaped cross section is integrally formed in the seal ring 8.
The structural strength of the entire seal ring 8 can be improved by providing the reinforcement member 14.
Further: the bottom of the reinforcing part 14 is provided with an annular arc-shaped clamping part 15, the arc-shaped clamping part 15 is positioned on the inner side of the position of the arc-shaped sealing groove 10, and the reinforcing part 14 and the arc-shaped clamping part 15 are integrally formed and made of spring steel.
The arc-shaped seal groove 10 is ensured not to be deformed by the arc-shaped clamping portion 15, thereby ensuring the reliability of the seal, and the reinforcing member 14 is made of spring steel, thereby further ensuring the strength of the reinforcing member 14.
The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (5)

1. The utility model provides a valve that high seal was dams, includes valve body (1), case (2), valve rod (3) and hand wheel (4), is formed with in valve body (1) and crosses mouth of a river (5), and mouth of a river (5) are blocked up in case (2) to be fixed with sealed thick gasket (6), characterized by in the bottom of case (2): an arrangement groove (7) with an isosceles trapezoid-shaped section is inwards arranged on the bottom end face of the thick sealing gasket (6), an annular sealing ring (8) with an isosceles trapezoid-shaped section is arranged on the arrangement groove (7), and the sealing ring (8) extends out of the arrangement groove (7) and is abutted against the end face of the water passing port (5); and a sealing groove (9) matched with the sealing ring (8) is arranged on the end surface of the water passing port (5), and the depth of the sealing groove (9) is greater than the height of the sealing ring (8) extending out of the placing groove (7).
2. The high seal shut-off valve as claimed in claim 1, wherein: an arc-shaped sealing groove (10) is formed in the bottom of the sealing ring (8); the bottom of the sealing groove (9) is provided with an arc-shaped sealing convex part (11) matched with the arc-shaped sealing groove (10), and the bottom of the arc-shaped sealing convex part (11) is provided with an increasing part (12).
3. A high seal shut-off valve as defined in claim 2, wherein: a plurality of sealing bulges (13) which are uniformly distributed are arranged on two sides of the part of the sealing ring (8) extending out of the placing groove (7), and the cross sections of the sealing bulges (13) are arc-shaped.
4. A high seal shut-off valve as defined in claim 3, wherein: an annular reinforcing member (14) having a T-shaped cross section is integrally formed in the seal ring (8).
5. The high seal shut-off valve as defined in claim 4, further comprising: the bottom of reinforcement (14) is provided with and is annular arc clamping part (15), arc clamping part (15) be located the inboard of arc sealing groove (10) position, just reinforcement (14) and arc clamping part (15) integrated into one piece just make by the spring steel.
CN202023119931.3U 2020-12-22 2020-12-22 High-sealing cutoff valve Active CN214197277U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202023119931.3U CN214197277U (en) 2020-12-22 2020-12-22 High-sealing cutoff valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202023119931.3U CN214197277U (en) 2020-12-22 2020-12-22 High-sealing cutoff valve

Publications (1)

Publication Number Publication Date
CN214197277U true CN214197277U (en) 2021-09-14

Family

ID=77654885

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202023119931.3U Active CN214197277U (en) 2020-12-22 2020-12-22 High-sealing cutoff valve

Country Status (1)

Country Link
CN (1) CN214197277U (en)

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