CN210003895U - kinds of valve body with high sealing performance - Google Patents
kinds of valve body with high sealing performance Download PDFInfo
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- CN210003895U CN210003895U CN201920671243.6U CN201920671243U CN210003895U CN 210003895 U CN210003895 U CN 210003895U CN 201920671243 U CN201920671243 U CN 201920671243U CN 210003895 U CN210003895 U CN 210003895U
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Abstract
The utility model discloses an high leakproofness's valve body, use in valve technical field, sealing performance is not good when having solved traditional ball valve two parts valve body and connecting, the easy technical problem who leaks of fluid, its technical scheme main points are, including 0 valve body and second valve body, be equipped with the valve rod through-hole on the 1 valve body, be equipped with seal assembly between valve body and the second valve body, be equipped with the coupling assembling that is used for with the pipe connection on valve body and the second valve body, seal assembly includes flange and second flange, be fixed with the go-between on the flange, be fixed with the second go-between on the second flange, the second go-between is inserted and is established in go-between, coupling assembling includes the connecting pipe and sets up the flange on the connecting pipe, the technical effect who has is that the second go-between in seal assembly inserts in go-between, better with the clearance shutoff between valve body and the second valve body, thereby the sealing performance of valve body has been improved, avoid fluid leakage.
Description
Technical Field
The utility model relates to a valve technical field, in particular to valve body of kinds of high leakproofness.
Background
The valve body of the ball valve is which is the main component of the ball valve, the ball valve is used as an opening and closing device in a pipeline, the opening and closing piece in the valve body is a ball body, the ball body is driven to rotate by a valve rod and rotates around the axis of the valve rod, the ball valve is mainly used for cutting off or connecting media in the pipeline and can also be used for regulating and controlling fluid, and the valve body of the ball valve is usually spliced for the convenience of assembly of the ball body and maintenance of the ball valve.
At present, a ball valve body is disclosed in Chinese patent with publication number CN203477536U, and comprises a left valve body and a right valve body, wherein an annular connecting flange is arranged on the left valve body in a protruding mode, a plurality of left clamping teeth are evenly arranged on the connecting flange along the circumferential direction, a clamping groove used for being embedded with the connecting flange is formed in the right valve body, and a right clamp used for being abutted against the axis direction of the left clamping teeth is arranged on the clamping groove.
Although the ball valve body can be used for communicating pipelines, the sealing performance is poor when the two valve bodies of the ball valve are connected, and water flow is easy to leak from the joint of the two valve bodies.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a valve body of kinds of high leakproofness, its advantage is that the second go-between among the seal assembly inserts and establishes in the go-between, better plugs up the clearance between valve body and the second valve body to improve the sealing performance of valve body, avoided the fluid to leak.
The technical scheme of the utility model is that the valve comprises an th valve body and a second valve body connected with the th valve body, wherein a valve rod through hole for a valve rod to pass through is arranged on the th valve body, a sealing component for connecting the th valve body and the second valve body is arranged between the th valve body and the second valve body, and connecting components for connecting pipelines are arranged at the ends of the th valve body and the second valve body which are deviated from each other;
the sealing assembly comprises an th flange and a second flange, wherein the th flange is arranged on the th valve body, the second flange is arranged on the second valve body, a th connecting ring extends from the th flange towards the second valve body, a second connecting ring extends from the second flange towards the th valve body, and the second connecting ring is inserted into the th connecting ring;
the connecting assembly comprises a connecting pipe and a connecting flange arranged on the connecting pipe.
According to the technical scheme, the valve rod through hole is used for allowing the valve rod to pass through, so that the valve rod is convenient to mount, the sealing assembly is used for enabling the sealing performance between the th valve body and the second valve body to be better, the th flange and the second flange enable the th valve body and the second valve body to be more convenient to connect, the second connecting ring is inserted in the th connecting ring, so that the contact area between the second connecting ring and the th connecting ring is larger, the flowing direction of fluid is not perpendicular to the connecting gap between the th valve body and the second valve body when the fluid flows, so that the impact force of the fluid on the connecting gap is smaller, the fluid is better prevented from leaking from the connecting position between the th valve body and the second valve body, the sealing performance of the th valve body and the second valve body is better improved, the connecting assembly is convenient for connecting the water pipe with the th valve body or the second valve body, the connecting pipe is used for fixedly connecting the connecting flange with the th valve body or the second valve body, and the.
The utility model discloses step sets up to the inboard of go-between is equipped with the and connects the cambered surface, the outside of second go-between is equipped with and is connected the cambered surface complex second with the and connect the cambered surface.
Through above-mentioned technical scheme, the cooperation of cambered surface is connected with the second to the cambered surface , laminating inseparabler when cambered surface and cambered surface cooperation, and go-between and second go-between when rotating relatively, it is inseparabler that cambered surface and second connection cambered surface still can laminate that are connected to the second, thereby make valve body and second valve body coupling inseparabler, thereby improved the sealing performance between valve body and the second valve body, better fluid leakage has been avoided.
The utility model discloses step sets up to be equipped with the valve body seal groove on the th connection cambered surface, be equipped with the valve body sealing washer in the valve body seal groove, the valve body sealing washer is connected the cambered surface butt with the second.
Through the technical scheme, the valve body sealing groove is used for placing the valve body sealing ring, so that the valve body sealing ring is more stably installed, when the second connecting ring is inserted into the th connecting ring, the valve body sealing ring is abutted against the second connecting cambered surface, so that the valve body sealing ring seals a gap between the th connecting cambered surface and the second connecting cambered surface, the sealing performance between the th valve body and the second valve body is improved in the step, and fluid leakage is better avoided.
The utility model discloses step sets up to flange's terminal surface is equipped with the holding tank, be equipped with the water pipe sealing washer in the holding tank, the terminal surface butt of water pipe sealing washer and water pipe.
Through above-mentioned technical scheme, the holding tank is used for holding the water pipe sealing washer for the more stable of water pipe sealing washer installation, the water pipe sealing washer is used for plugging up the clearance between the terminal surface of water pipe and the flange terminal surface, thereby better improvement the sealing performance when valve body and water piping connection, the fluid leakage of having avoided of steps further.
The utility model discloses step sets up to, water pipe sealing washer cross-section is circular, be equipped with the buffering cavity in the water pipe sealing washer.
Through the technical scheme, the cross section is the terminal surface butt with the water pipe that the circular shape water pipe sealing washer can be better, and during the terminal surface of water pipe and the water pipe sealing washer butt, the water pipe sealing washer receives that the extrusion can be better with the water pipe laminating, and the buffering cavity is used for playing the cushioning effect for the water pipe sealing washer receives can be better resilience after the extrusion, thereby better laminating water pipe terminal surface, and then has played better sealed effect.
The utility model discloses step sets up to, the valve body sealing washer is parallel to be equipped with at least three.
Through above-mentioned technical scheme, at least three valve body sealing washer can be inseparable be connected the cambered surface butt with the second to better sealed connection cambered surface and the second gap of being connected between the cambered surface.
The utility model discloses step sets up to be equipped with the strengthening rib between flange and the valve body, be equipped with the second strengthening rib between second flange and the second valve body.
Through above-mentioned technical scheme, the strengthening rib can strengthen the connection structure intensity between flange and the valve body, and the second strengthening rib is used for strengthening the connection structure intensity between second flange and the second valve body to it is more stable when making flange and second flange joint, thereby sealed effect when making flange and second flange joint is better.
The utility model discloses advance step and set up as valve rod through-hole department is equipped with valve rod installation pipe, the inboard of valve rod installation pipe is equipped with the valve rod seal groove, the valve rod seal groove is equipped with two at least, a plurality of along the axis direction of installation pipe all be equipped with sealed graphite ring in the valve rod seal groove, the outside butt of sealed graphite ring and valve rod.
Through the technical scheme, the valve rod mounting pipe is used for mounting the valve rod, the valve rod sealing groove is used for placing the sealing graphite ring, the sealing graphite ring is abutted to the outer side of the valve rod, the hardness of graphite is low, so that the sealing graphite ring is attached to the valve rod more tightly, a sealing effect is better achieved, the sealing graphite ring is smooth, the valve rod is enabled to rotate more smoothly, the sealing graphite ring is wear-resistant, a sealing effect is good, and fluid is prevented from leaking from the through hole of the valve rod in the step .
To sum up, the utility model discloses following beneficial effect has:
1. the sealing assembly blocks a gap between the th valve body and the second valve body, and the sealing effect between the th valve body and the second valve body is better through the abutting of the valve body sealing ring and the second connecting cambered surface and the matching of the th cambered surface and the second connecting cambered surface;
2. the sealing graphite ring arranged in the valve rod sealing groove is abutted to the valve rod, so that the gap between the valve rod and the valve body can be better sealed, and fluid leakage is better avoided.
Drawings
Fig. 1 is an overall configuration diagram of the present embodiment;
FIG. 2 is a schematic structural view of a sectional view of the present embodiment;
FIG. 3 is an enlarged schematic view of portion A of FIG. 2;
fig. 4 is a schematic structural diagram of the connection relationship between the water pipe sealing ring and the connecting flange according to the embodiment.
The valve body comprises a valve body 1, a valve rod , a valve body 2, a valve rod second valve body 3, a valve rod through hole 4, a sealing assembly 5, a connecting assembly 6, a flange 7, a second flange 8, a connecting ring 9, a second connecting ring 10, a connecting pipe 11, a connecting flange 12, a connecting arc surface 13, a second connecting arc surface 14, a valve body sealing groove 15, a valve body sealing ring 16, a containing groove 17, a water pipe sealing ring 18, a buffer cavity 19, an reinforcing rib 20, a second reinforcing rib 21, a valve rod mounting pipe 22, a valve rod sealing groove 23 and a sealing graphite ring.
Detailed Description
The present invention will be described in further detail in with reference to the accompanying drawings.
Example (b):
referring to fig. 1, high-sealing valve bodies include a valve body 1 and a second valve body 2, a sealing assembly 4 is arranged between the 0 th valve body 1 and the second valve body 2, the sealing assembly 4 includes a 1 th flange 6 and a second flange 7, the 2 th flange 6 is fixedly arranged on the 3 th valve body 1, the second flange 7 is fixedly arranged at the end of the second valve body 2 close to the 4 th valve body 1, the th valve body 1 and the th flange 6 are cast, the second valve body 2 and the second flange 7 are cast, through holes are respectively arranged on the th flange 6 and the second flange 7, the th valve body 1 and the second valve body 2 are connected with the through the through holes by bolts, and the installation and the disassembly are convenient.
Referring to fig. 2, a valve rod through hole 3 is formed in a -th valve body 1, a containing cavity for containing a sealing valve ball is formed in a -th valve body 1, the valve rod through hole 3 is communicated with the containing cavity, a -th valve body 1 is provided with a valve rod mounting pipe 21 extending from the valve rod through hole 3, the valve rod mounting pipe 21 is formed by casting a -th valve body 1 , a valve rod sealing groove 22 is formed in the inner side of the valve rod mounting pipe 21, four valve rod sealing grooves 22 are uniformly formed in the axial direction of the valve rod mounting pipe 21, sealing graphite rings 23 are clamped in the four valve rod sealing grooves 22, the sealing graphite rings 23 are abutted to the outer side of a valve rod, the sealing graphite rings 23 can be well attached to the valve rod due to low hardness of graphite materials, sealing is better, multistage sealing can be achieved by the four sealing graphite rings 23, the sealing effect is improved in a step, the -th valve body 1 is formed by casting a valve rod mounting pipe , and when the -th valve body 1 and the valve rod mounting pipe 21 are machined, the sealing ring 23 can be firmly fixed in a pouring mold.
Referring to fig. 2 and 3, a flange 6 extends to a second valve body 2 to form a connecting ring 8, a second flange 7 extends to a valve body 1 to form a second connecting ring 9, the second connecting ring 9 is inserted into a 1 connecting ring 8, a connecting ring 8 is provided with a connecting arc surface 12 on the inner side, a second connecting arc surface 13 matched with the second connecting arc surface 12 is provided on the outer side of the second connecting ring 9, the connecting arc surface 12 is concave and the second connecting arc surface 13 is convex, a connecting arc surface 12 is provided with a valve body sealing groove 14, the valve body sealing groove 14 is uniformly provided with three valve body sealing grooves 6324 along the axial direction of the connecting ring 8, valve body sealing rings 15 are respectively matched in a clamping manner in the three valve body sealing grooves 14, the three valve body sealing rings 15 are respectively abutted with the second connecting arc surface 13, so that the sealing effect between the valve body 1 and the second valve body 2 is better, after the flange 1 is connected with the second valve body 2, the second connecting arc surface 13 is abutted with the valve body 15 and extrudes the valve body sealing rings 15, the sealing grooves, the sealing effect is better than that the sealing grooves 632 is better, and the sealing effect of fluid leakage of the sealing grooves is better, and the sealing effect of the sealing grooves is improved when the sealing grooves of the second connecting arc surface of the second connecting ring 15 and the connecting arc surface of the valve body.
Referring to fig. 3, a reinforcing rib 19 is formed between the th flange 6 and the th valve body 1 in a casting mode through 0, a second reinforcing rib 20 is formed between the second flange 7 and the second valve body 2 in a casting mode through , the reinforcing rib 19 is used for reinforcing the connecting structural strength between the th flange 6 and the th valve body 1, and the second reinforcing rib 20 is used for reinforcing the connecting structural strength between the second flange 7 and the second valve body 2, so that after the th flange 6 is connected with the second flange 7, the connecting strength between the th valve body 1 and the second valve body 2 is higher, and the sealing effect between the th valve body 1 and the second valve body 2 is better.
Referring to fig. 2 and 4, the end of the th valve body 1 and the end of the second valve body 2, which are away from each other, are provided with a connection assembly 5 for communicating with a pipeline, the connection assembly 5 comprises a connection pipe 10 and a connection flange 11, the connection pipe 10 is cast and molded with the th valve body 1 or the second valve body 2 , the connection pipe 10 is cast and molded with the connection flange 11 away from the end of the th valve body 1 or the second valve body 2, a plurality of through holes for passing bolts are uniformly distributed in the circumferential direction on the connection flange 11, the end surface of the connection flange 11 is provided with an accommodating groove 16, the accommodating groove 16 is clamped with a water pipe sealing ring 17, the cross section of the water pipe sealing ring 17 is circular, a buffer cavity 18 is arranged in the water pipe sealing ring 17, when the th valve body 1 or the second valve body 2 is connected with the water pipe through the connection flange 11, the end surface of the water pipe abuts against the water pipe sealing ring 17 on the connection flange 11, the water pipe sealing ring 17 is deformed under a force, so as to be more closely attached to the end surface of the water pipe, the water pipe.
The installation process of the ball valve applying the valve body in the embodiment is briefly described as follows:
1. firstly, a sealing valve ball is placed into an th valve body 1, a valve rod penetrates through a valve rod through hole 3, and the valve rod is matched with the sealing valve ball;
2. then the second valve body 2 is matched with the th valve body 1, and the th valve body 1 and the second valve body 2 are locked at points by bolts passing through holes on the th flange 6 and the second flange 7;
3. then bolts are used to penetrate through the through holes on the connecting flange 11 to connect the water pipe to the th valve body 1 or the second valve body 2.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (8)
- The valve body with high sealing performance comprises a th valve body (1) and a second valve body (2) connected with the th valve body (1), wherein a valve rod through hole (3) for a valve rod to pass through is formed in the th valve body (1);the valve is characterized in that a sealing assembly (4) used for connecting a valve body (1) and a second valve body (2) is arranged between the valve body (1) and the second valve body (2), and connecting assemblies (5) used for being connected with a pipeline are arranged at ends of the valve body (1) and the second valve body (2) which are away from each other;the sealing assembly (4) comprises an -th flange (6) and a second flange (7), the -th flange (6) is arranged on the -th valve body (1), the second flange (7) is arranged on the second valve body (2), the -th flange (6) extends a -th connecting ring (8) towards the second valve body (2), the second flange (7) extends a second connecting ring (9) towards the -th valve body (1), and the second connecting ring (9) is inserted into the -th connecting ring (8);the connecting assembly (5) comprises a connecting pipe (10) and a connecting flange (11) arranged on the connecting pipe (10).
- 2. kind of valve body with high sealing performance according to claim 1, wherein the inner side of the connecting ring (8) is provided with a th connecting arc surface (12), and the outer side of the second connecting ring (9) is provided with a second connecting arc surface (13) which is matched with the th connecting arc surface (12).
- 3. kinds of high leakproofness valve bodies according to claim 2, characterized in that, the th connecting cambered surface (12) is provided with a valve body sealing groove (14), the valve body sealing groove (14) is provided with a valve body sealing ring (15), the valve body sealing ring (15) is connected with the second connecting cambered surface (13) in an abutting mode.
- 4. kind of high leakproofness valve body according to claim 1, characterized in that, the end face of the connecting flange (11) is provided with a receiving groove (16), a water pipe sealing ring (17) is arranged in the receiving groove (16), the water pipe sealing ring (17) is abutted with the end face of the water pipe.
- 5. kinds of high leakproofness valve bodies according to claim 4, characterized in that the water pipe seal ring (17) is circular in cross section, and a buffer cavity (18) is arranged in the water pipe seal ring (17).
- 6. high-tightness valve body according to claim 3, characterized in that, the valve body sealing rings (15) are provided in parallel with at least three.
- 7. kinds of high leakproofness valve body according to claim 1, characterized in that strengthening rib (19) is arranged between the flange (6) and the valve body (1), and second strengthening rib (20) is arranged between the second flange (7) and the second valve body (2).
- 8. The high leakproofness valve body of claim 1, wherein a valve rod mounting pipe (21) is arranged at the valve rod through hole (3), a valve rod sealing groove (22) is arranged at the inner side of the valve rod mounting pipe (21), at least two valve rod sealing grooves (22) are arranged along the axis direction of the mounting pipe, a plurality of sealing graphite rings (23) are arranged in each valve rod sealing groove (22), and the sealing graphite rings (23) are abutted to the outer side of the valve rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920671243.6U CN210003895U (en) | 2019-05-11 | 2019-05-11 | kinds of valve body with high sealing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920671243.6U CN210003895U (en) | 2019-05-11 | 2019-05-11 | kinds of valve body with high sealing performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210003895U true CN210003895U (en) | 2020-01-31 |
Family
ID=69306464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920671243.6U Active CN210003895U (en) | 2019-05-11 | 2019-05-11 | kinds of valve body with high sealing performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210003895U (en) |
-
2019
- 2019-05-11 CN CN201920671243.6U patent/CN210003895U/en active Active
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