CN208204133U - A kind of shut-off valve that can reduce fluid resistance - Google Patents
A kind of shut-off valve that can reduce fluid resistance Download PDFInfo
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- CN208204133U CN208204133U CN201820752396.9U CN201820752396U CN208204133U CN 208204133 U CN208204133 U CN 208204133U CN 201820752396 U CN201820752396 U CN 201820752396U CN 208204133 U CN208204133 U CN 208204133U
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Abstract
The utility model discloses the shut-off valves that one kind can reduce fluid resistance, including stop valve body, valve rod, handle and connecting tube, the valve rod is set to the top of stop valve body, the top of the valve rod is fixedly connected with handle, the stop valve body is equipped with valve chamber, the side inner wall of the valve chamber is equipped with mounting hole, one end of the connecting tube is movably installed in mounting hole, one end outer wall of connecting tube in mounting hole is equipped with external screw thread, the inner wall of the mounting hole is equipped with internal screw thread, and internal screw thread is located at mounting hole close to the side of connecting tube, external screw thread in the connecting tube is threadedly coupled with the internal screw thread in inner wall of the hole installing.The utility model structure is simple, easy to operate, is acted on by the stretch compensation of counterbalance spring, the phenomenon that connecting tube capable of being made to be connected and fixed with stop valve body more firm, avoid the occurrence of loosening, also finally ensures that connecting tube and stop valve body seal tighter.
Description
Technical field
The utility model relates to shut-off valve fields, more particularly to a kind of shut-off valve that can reduce fluid resistance.
Background technique
Shut-off valve is also pipe valve valve, is a kind of one of most popular valve, and why very popular it is, be due to
Frictional force is small between sealing surface during opening and closing, relatively durable, and Lift is little, and manufacture is easy, easy to maintenance, is not only applicable in
In mesolow, and it is suitable for high pressure.The closure principle of shut-off valve is, by valve stem pressure, to keep valve clack sealing surface close with valve seat
Cover fits closely, and prevents flow of media.
With development in science and technology, the design of shut-off valve is also increasingly able to reduce the resistance of fluid, and shut-off valve is as most at present
One of important truncation class valve, shut-off valve realize the functions such as medium conveying, cut-off, adjusting, but in the prior art, shut-off valve
If the connecting tube being connected with valve body is connected and fixed insecure, easy the phenomenon that loosening, finally cannot ensure connecting tube and
Stop valve body leakproofness, sealing performance directly influence the safe and reliable operation of relevant device, therefore, to raising valve
Sealing performance and reliability have further improved needs.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and the one kind proposed can reduce stream
The shut-off valve of body resistance.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of shut-off valve that can reduce fluid resistance, including stop valve body, valve rod, handle and connecting tube, the valve
Bar is set to the top of stop valve body, and the top of the valve rod is fixedly connected with handle, and the stop valve body is equipped with valve
The side inner wall of chamber, the valve chamber is equipped with mounting hole, and one end of the connecting tube is movably installed in mounting hole, is located at installation
One end outer wall of connecting tube in hole is equipped with external screw thread, and the inner wall of the mounting hole is equipped with internal screw thread, and internal screw thread is located at
External screw thread of the mounting hole on the side of connecting tube, the connecting tube is threadedly coupled with the internal screw thread in inner wall of the hole installing, position
The moving sealing ring being movably arranged in mounting hole is equipped in one end of the connecting tube in mounting hole, and moving sealing ring is close to connection
The side of pipe and the end face of connecting tube abut, and the valve chamber is the cavity of column construction, fix on the inner wall of the valve chamber
It is socketed with fixed ring, the fixed ring is fixedly connected with multiple fixed columns close to the side of moving sealing ring, in multiple fixed columns
Equipped with movable chamber, portable pillar is movably installed in the movable chamber, and the same end of multiple portable pillars all extends to fixed column
Outside is simultaneously fixedly connected with moving sealing ring, is movably installed with movable block in the movable chamber, the portable pillar in movable chamber
One end is fixedly connected with movable block, counterbalance spring is equipped in the movable chamber, one end of the counterbalance spring and movable block are separate
The side of portable pillar is fixedly connected, and the other end and movable chamber of the counterbalance spring are fixed close to the side inner wall of fixed ring to be connected
It connects.
The quantity of the fixed column is six to eight, and six to eight fixed column annulars are uniformly arranged on fixed ring close to close
It seals on the side of rotating ring.
The quantity of the counterbalance spring is three to six, and three to six counterbalance springs are equidistantly spaced in movable chamber
It is interior.
The movable chamber offers movable span on the side inner wall of moving sealing ring, and portable pillar activity runs through movable span
And it is slidably connected with the inner wall of movable span.
The two sides of the movable block are fixed with sliding shoe, are equipped with sliding groove on the two sides inner wall of the movable chamber,
And sliding shoe is slidably mounted in sliding groove.
The fixed column is cylindrical structure, and fixed column is located in valve chamber.
Compared with prior art, the utility model has the beneficial effects that
In the utility model, it is threadedly engaged by the internal screw thread on the external screw thread and inner wall of the hole installing in connecting tube, it can be with
Connecting tube is mounted on stop valve body, and during installation, the end face of connecting tube contacts and squeezes with moving sealing ring
Moving sealing ring, moving sealing ring drive portable pillar to carry out Compressive activities in the movable chamber in fixed column, and portable pillar drives movable block
Counterbalance spring is squeezed, counterbalance spring extrusion, after being installed, the elastic force that counterbalance spring can generate a compensation is made
With reaction pushes movable block to such counterbalance spring again, and movable block then pushes moving sealing ring by portable pillar, makes moving sealing ring
It is closely abutted with the end face of connecting tube, at the same time, during the end face of moving sealing ring and connecting tube abuts, also
The more fastening that the external screw thread in connecting tube can be made to engage with the internal screw thread screw thread in inner wall of the hole installing, so that it is guaranteed that connecting tube exists
What is be connected and fixed in mounting hole is more firm；
The utility model structure is simple, easy to operate, is acted on by the stretch compensation of counterbalance spring, can make connecting tube with
The phenomenon that stop valve body is connected and fixed more firm, avoids the occurrence of loosening, also finally ensures connecting tube and stop valve body
What is sealed is tighter.
Detailed description of the invention
Fig. 1 be the utility model proposes one kind can reduce fluid resistance shut-off valve structural schematic diagram；
Fig. 2 is the anatomy structural schematic diagram of part A amplification in Fig. 1；
Fig. 3 be the utility model proposes one kind can reduce the company of fixed column and portable pillar in the shut-off valve of fluid resistance
Connect structural schematic diagram；
Fig. 4 be the utility model proposes one kind can reduce the company of fixed ring and fixed column in the shut-off valve of fluid resistance
Connect structural schematic diagram.
In figure: 1 stop valve body, 2 valve rods, 3 handles, 4 connecting tubes, 5 mounting holes, 6 connecting tubes, 7 moving sealing rings, 8 are fixed
Ring, 9 fixed columns, 10 portable pillars, 11 movable chambers, 12 movable blocks, 13 counterbalance springs, 14 sliding shoes, 15 movable spans, 16 external screw threads,
17 internal screw threads.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-4, a kind of shut-off valve that can reduce fluid resistance, including stop valve body 1, valve rod 2,3 and of handle
Connecting tube 6, valve rod 2 are set to the top of stop valve body 1, and the top of valve rod 2 is fixedly connected with handle 3, on stop valve body 1
Equipped with valve chamber 4, the side inner wall of valve chamber 4 is equipped with mounting hole 5, and one end of connecting tube 6 is movably installed in mounting hole 5, is located at
One end outer wall of connecting tube 6 in mounting hole 5 is equipped with external screw thread 16, and the inner wall of mounting hole 5 is equipped with internal screw thread 17, and interior spiral shell
Line 17 is located at the internal screw thread 17 on external screw thread 16 of the mounting hole 5 on the side of connecting tube 6, connecting tube 6 and 5 inner wall of mounting hole
It being threadedly coupled, one end of the connecting tube 6 in mounting hole 5 is equipped with the moving sealing ring 7 being movably arranged in mounting hole 5, and
Moving sealing ring 7 is abutted close to the side of connecting tube 6 and the end face of connecting tube 6, and valve chamber 4 is the cavity of column construction, valve chamber 4
Inner wall on fixing sleeve be connected to fixed ring 8, fixed ring 8 is fixedly connected with multiple fixed columns 9 close to the side of moving sealing ring 7, more
It is equipped with movable chamber 11 in a fixed column 9, portable pillar 10, and the same end of multiple portable pillars 10 are movably installed in movable chamber 11
It all extends to the outside of fixed column 9 and is fixedly connected with moving sealing ring 7, movable block 12 is movably installed in movable chamber 11, is located at
One end of portable pillar 10 in movable chamber 11 is fixedly connected with movable block 12, and counterbalance spring 13 is equipped in movable chamber 11, compensates bullet
One end of spring 13 is fixedly connected with movable block 12 far from the side of portable pillar 10, and the other end and the movable chamber 11 of counterbalance spring 13 are leaned on
The side inner wall of nearly fixed ring 8 is fixedly connected, and the utility model structure is simple, easy to operate, passes through the elastic force of counterbalance spring 13
The phenomenon that compensating action can be such that connecting tube 6 is connected and fixed with stop valve body 1 more firm, avoid the occurrence of loosening, also finally
Ensure that connecting tube 6 and stop valve body 1 seal tighter.
The quantity of fixed column 9 is six to eight, and six to eight 9 annulars of fixed column are uniformly arranged on fixed ring 8 close to close
It seals on the side of rotating ring 7, the quantity of counterbalance spring 13 is three to six, and three to six counterbalance springs 13 are equidistantly spaced
In movable chamber 11, movable chamber 11 offers movable span 15 on the side inner wall of moving sealing ring 7, and 10 activity of portable pillar is passed through
It wears movable span 15 and is slidably connected with the inner wall of movable span 15, the two sides of movable block 12 are fixed with sliding shoe 14, movable chamber
Sliding groove being equipped on 11 two sides inner wall, and sliding shoe 14 is slidably mounted in sliding groove, fixed column 9 is cylindrical structure,
And fixed column 9 is located in valve chamber 4, and the utility model structure is simple, and it is easy to operate, made by the stretch compensation of counterbalance spring 13
With also finally ensuring the phenomenon that connecting tube 6 capable of being made to be connected and fixed with stop valve body 1 more firm, avoid the occurrence of loosening
Connecting tube 6 and stop valve body 1 seal tighter.
Working principle: being threadedly engaged using the external screw thread 16 in connecting tube 6 with the internal screw thread 17 on 5 inner wall of mounting hole, can
One end of connecting tube 6 to be mounted in mounting hole 5, and during installation, positioned at one end of 5 inner connection tube 6 of mounting hole
End face contacts with moving sealing ring 7 and squeezes moving sealing ring 7, and moving sealing ring 7 drives movable chamber 11 of the portable pillar 10 in fixed column 9
Interior carry out Compressive activities, portable pillar 10 drive movable block 12 to squeeze counterbalance spring 13, and installation is worked as in 13 extrusion of counterbalance spring
After the completion, counterbalance spring 13 can generate the elastic force effect of a compensation, and reaction pushes movable block 12 to such counterbalance spring 13 again,
Movable block 12 then pushes moving sealing ring 7 by portable pillar 10, abuts moving sealing ring 7 and the end face of connecting tube 6 closely,
At the same time, during the end face of moving sealing ring 7 and connecting tube 6 abuts, the external screw thread 16 in connecting tube 6 can also be made
The more fastening engaged with 17 screw thread of internal screw thread on 5 inner wall of mounting hole, so that it is guaranteed that connecting tube 6 is connected and fixed in mounting hole 5
More firm, the phenomenon that avoiding the occurrence of loosening, also finally ensure that connecting tube 6 and stop valve body 1 seal tighter.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. one kind can reduce the shut-off valve of fluid resistance, including stop valve body (1), valve rod (2), handle (3) and connecting tube
(6), which is characterized in that the valve rod (2) is set to the top of stop valve body (1), the top of the valve rod (2) and handle
(3) it is fixedly connected, the stop valve body (1) is equipped with valve chamber (4), and the side inner wall of the valve chamber (4) is equipped with mounting hole
(5), one end of the connecting tube (6) is movably installed in mounting hole (5), is located at one end of the connecting tube (6) in mounting hole (5)
Outer wall is equipped with external screw thread (16), and the inner wall of the mounting hole (5) is equipped with internal screw thread (17), and internal screw thread (17) is located at installation
Internal screw thread of the hole (5) on the external screw thread (16) and mounting hole (5) inner wall on the side of connecting tube (6), the connecting tube (6)
(17) it is threadedly coupled, the one end for being located at the connecting tube (6) in mounting hole (5) is close in mounting hole (5) equipped with being movably arranged on
It seals rotating ring (7), and moving sealing ring (7) is abutted close to the side of connecting tube (6) and the end face of connecting tube (6), the valve chamber
It (4) is the cavity of column construction, fixing sleeve is connected to fixed ring (8) on the inner wall of the valve chamber (4), and the fixed ring (8) is close
The side of moving sealing ring (7) is fixedly connected with multiple fixed columns (9), is equipped with movable chamber (11) on multiple fixed columns (9), described
It is movably installed with portable pillar (10) in movable chamber (11), and the same end of multiple portable pillars (10) all extends to fixed column (9)
Outside is simultaneously fixedly connected with moving sealing ring (7), is movably installed with movable block (12) in the movable chamber (11), is located at movable chamber
(11) one end of the portable pillar (10) in is fixedly connected with movable block (12), and counterbalance spring is equipped in the movable chamber (11)
(13), one end with movable block (12) of the counterbalance spring (13) are fixedly connected far from the side of portable pillar (10), the compensation
Side inner wall of the other end of spring (13) with movable chamber (11) close to fixed ring (8) is fixedly connected.
2. the shut-off valve that one kind according to claim 1 can reduce fluid resistance, which is characterized in that the fixed column
(9) quantity is six to eight, and six to eight fixed column (9) annulars are uniformly arranged on fixed ring (8) close to moving sealing ring (7)
Side on.
3. the shut-off valve that one kind according to claim 1 can reduce fluid resistance, which is characterized in that the counterbalance spring
(13) quantity is three to six, and three to six counterbalance springs (13) are equidistantly spaced in movable chamber (11).
4. the shut-off valve that one kind according to claim 1 can reduce fluid resistance, which is characterized in that the movable chamber
(11) it is offered movable span (15) on the side inner wall of moving sealing ring (7), and portable pillar (10) activity runs through movable span
(15) and with the inner wall of movable span (15) it is slidably connected.
5. the shut-off valve that one kind according to claim 1 can reduce fluid resistance, which is characterized in that the movable block
(12) two sides are fixed with sliding shoe (14), sliding groove are equipped on the two sides inner wall of the movable chamber (11), and slide
Block (14) is slidably mounted in sliding groove.
6. the shut-off valve that one kind according to claim 1 can reduce fluid resistance, which is characterized in that the fixed column
It (9) is cylindrical structure, and fixed column (9) is located in valve chamber (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820752396.9U CN208204133U (en) | 2018-05-21 | 2018-05-21 | A kind of shut-off valve that can reduce fluid resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820752396.9U CN208204133U (en) | 2018-05-21 | 2018-05-21 | A kind of shut-off valve that can reduce fluid resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208204133U true CN208204133U (en) | 2018-12-07 |
Family
ID=64517575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820752396.9U Active CN208204133U (en) | 2018-05-21 | 2018-05-21 | A kind of shut-off valve that can reduce fluid resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208204133U (en) |
-
2018
- 2018-05-21 CN CN201820752396.9U patent/CN208204133U/en active Active
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