CN221196114U - Manual two-way hard seal flange butterfly valve - Google Patents
Manual two-way hard seal flange butterfly valve Download PDFInfo
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- CN221196114U CN221196114U CN202323391220.5U CN202323391220U CN221196114U CN 221196114 U CN221196114 U CN 221196114U CN 202323391220 U CN202323391220 U CN 202323391220U CN 221196114 U CN221196114 U CN 221196114U
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- butterfly valve
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- rod
- sealing washer
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Abstract
The utility model relates to the technical field of flange butterfly valves, in particular to a manual two-way hard sealing flange butterfly valve which comprises a butterfly valve, wherein one end of the butterfly valve is fixedly connected with a first flange, one end of the first flange is attached with a second sealing ring, and one end of the second sealing ring is attached with a second flange. Through butterfly valve, flange one, straight tube, flange two, threaded rod, nut, sealing washer two and seal structure's cooperation, insert the inner wall of flange one with the straight tube, flange one and flange two press from both sides sealing washer two tightly, and then realize once sealed, the straight tube drives the first inwards removal of sealing washer, the sealing washer is driven the annular shaped plate inwards to move, the annular shaped plate drives the round bar inwards to move, the round bar drives the body of rod inwards to move, the body of rod stretches the spring, and then the spring will give the body of rod outside resilience force, make the first one end closely laminating with the straight tube of sealing washer, the staff of being convenient for carries out double seal, avoid appearing leaking the condition when damage appears in a sealing washer.
Description
Technical Field
The utility model relates to the technical field of flange butterfly valves, in particular to a manual bidirectional hard sealing flange butterfly valve.
Background
The butterfly valve is also called as a flap valve, and is a regulating valve with simple structure, the butterfly valve capable of being used for the on-off control of low-pressure pipeline medium is a valve in which a closing member is a disc and rotates around a valve shaft to achieve the opening and closing, and the valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive mediums, slurry, oil products, liquid metal, radioactive mediums and the like, and mainly has the functions of cutting off and throttling on a pipeline.
The existing horizontal manual flange butterfly valve (application number: 202320131232.5) is convenient to replace, meanwhile, the sealing ring is firstly taken down from one end of the valve rod when being replaced, then falls down from one end of the groove rod, the sealing ring is prevented from being separated from the butterfly plate when being used, the sealing ring is matched with the valve rod and the groove rod, the sealing ring can be automatically positioned between two valve bodies when being installed, the phenomenon of permeation is prevented, the flange butterfly valve is still existing, when flow control is carried out, a flange butterfly valve is often used, a worker can open and close the flange butterfly valve, the control of flow is realized, when the flange butterfly valve is used, the flange on the butterfly valve is required to be connected with the flange on a connecting pipeline, in order to avoid the leakage condition, the sealing ring is arranged between the two flanges, and the sealing effect of the single sealing ring is not convenient for the worker to carry out double sealing, and then when one sealing ring is damaged, the situation of easily appearing leakage is easy, when the flange I and the flange II are connected, the preset threaded holes on the flange I and the flange II are required to be aligned, the position of the worker is required to be adjusted continuously, the flange I and the worker is not convenient for the positioning the flange II is convenient for the worker to position the flange II.
Disclosure of utility model
The utility model aims to solve the defects that in the prior art, double sealing is inconvenient for a worker, leakage is easy to occur when a sealing ring is damaged, positioning between a flange I and a flange II is inconvenient for the worker, and operation by the worker is inconvenient.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
The utility model provides a manual two-way hard seal flange butterfly valve, includes the butterfly valve, the one end fixedly connected with flange one of butterfly valve, the one end laminating of flange one has the sealing washer two, the one end laminating of sealing washer two has the flange two, the one end fixedly connected with straight tube of flange two, the outer wall of straight tube closely laminates with the inner wall of sealing washer two, the outer wall one side of straight tube and the one end inner wall clearance fit of flange one, one side of butterfly valve is equipped with seal structure, one side of flange one is equipped with location structure.
Preferably, the sealing structure comprises a rod body, outer wall one side of the rod body and inner wall one end groove sliding clamping of a butterfly valve, a round rod is fixedly connected to the outer side of one end of the rod body, an annular plate is fixedly connected to one end of the round rod, a first sealing ring is fixedly connected to one end of the annular plate, one end of the first sealing ring is attached to one end of a straight pipe, the outer wall of the first sealing ring is tightly attached to the inner wall of the first flange, a spring is fixedly connected to the outer side of one end of the rod body, and one end of the spring is fixedly connected with one end groove of the inner wall of the butterfly valve.
Preferably, the inner wall of one side of the first flange is in clearance fit with a threaded rod.
Preferably, one side of the outer wall of the threaded rod is in clearance fit with one side of the inner wall of the second flange.
Preferably, a nut is connected to one side of the outer wall of the threaded rod in a threaded manner.
Preferably, the positioning structure comprises a vertical block, the bottom of the vertical block is fixedly connected with the top of the first flange, one end of the vertical block is fixedly connected with a cross rod, one side of the outer wall of the cross rod is in clearance fit with a block, and the bottom of the block is fixedly connected with the top of the second flange.
The manual bidirectional hard sealing flange butterfly valve provided by the utility model has the beneficial effects that: through the cooperation of butterfly valve, flange one, straight tube, flange two, threaded rod, nut, sealing washer two and seal structure, make the device when using, can insert the inner wall of flange one through the straight tube, flange one and flange two press from both sides tight with sealing washer two, and then realize once sealed, straight tube drive sealing washer one inwards move, sealing washer one and move inwards with the annular plate, the annular plate drives the round bar inwards move, the round bar drives the body of rod inwards move, the body of rod stretches the spring, and then the spring will give the body of rod outwards resilience force, make sealing washer one closely laminate with one end of straight tube, the staff of being convenient for carries out double seal, avoid when a sealing washer appears damaging, the condition that appears leaking;
through butterfly valve, flange one, straight tube, flange two, threaded rod, nut, sealing washer two and location structure's cooperation for the device when using, can insert the inner wall of block through the horizontal pole, and then realize the location between flange one and the flange two, be convenient for align the screw hole of predetermineeing on flange one and the flange two, be convenient for the staff to fix a position between flange one and the flange two, the staff operation of being convenient for.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of the vertical block, block and cross bar of the present utility model;
FIG. 3 is a schematic view of a structure of the circular rod, annular plate and seal ring of the present utility model;
FIG. 4 is a schematic view of a straight block, a straight pipe and a sealing ring II;
Fig. 5 is a schematic view of the structure of the rod, spring and round rod of the present utility model.
In the figure: 1. butterfly valve, 2, seal structure, 2a1, the body of rod, 2a2, the spring, 2a3, the round bar, 2a4, annular plate, 2a5, sealing washer one, 2b1, straight piece, 3, location structure, 301, perpendicular piece, 302, block, 303, horizontal pole, 4, flange one, 5, straight tube, 6, flange two, 7, threaded rod, 8, nut, 9, sealing washer two.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
example 1:
Referring to fig. 1-5: in this embodiment, a manual two-way hard seal flange butterfly valve, including butterfly valve 1, butterfly valve 1's one end fixedly connected with flange one 4, flange one 4's one end laminating has sealing washer two 9, sealing washer two 9's one end laminating has flange two 6, flange two 6's one end fixedly connected with straight tube 5, the outer wall of straight tube 5 closely laminates with sealing washer two 9's inner wall, sealing washer two 9 plays a sealed effect, the outer wall one side of straight tube 5 and flange one 4's one end inner wall clearance fit, flange one 4's one side inner wall clearance fit has threaded rod 7, threaded rod 7's outer wall one side and flange two 6's one side inner wall clearance fit, threaded rod 7's outer wall one side threaded connection has nut 8, threaded rod 7 and nut 8 are used for flange one 4 and flange two 6's connection, one side of butterfly valve 1 is equipped with seal structure 2, one side of flange one 4 is equipped with location structure 3, seal structure 2 is convenient for the staff to carry out double seal, avoid appearing damaging in a sealing washer, the condition of leakage appears, location structure 3 is convenient for the staff to fix a position between flange one 4 and flange two 6, the staff's operation.
The sealing structure 2 comprises a rod body 2a1, one side of the outer wall of the rod body 2a1 is in sliding clamping connection with a groove at one end of the inner wall of the butterfly valve 1, the rod body 2a1 can move left and right in the groove at one end of the inner wall of the butterfly valve 1 when being stressed, a round rod 2a3 is fixedly connected to the outer side of one end of the rod body 2a1, an annular plate 2a4 is fixedly connected to one end of the round rod 2a3, a sealing ring 1a 5 is fixedly connected to one end of the annular plate 2a4, the sealing ring 2a5 plays a secondary sealing role, one end of the sealing ring 2a5 is jointed with one end of the straight pipe 5, the outer wall of the sealing ring 2a5 is tightly jointed with the inner wall of the flange 4, a spring 2a2 is fixedly connected to the outer side of one end of the rod body 2a1, the spring 2a2 gives an outward force to the rod body 2a1, one end of the spring 2a2 is fixedly connected with a groove at one end of the inner wall of the butterfly valve 1, the straight pipe 5 is inserted into the inner wall of the flange one 4, the flange one 4 and the flange two 6 clamp the sealing ring two 9, further sealing is achieved once, the straight pipe 5 drives the sealing ring one 2a5 to move inwards, the sealing ring one 2a5 drives the annular plate 2a4 to move inwards, the annular plate 2a4 drives the round rod 2a3 to move inwards, the round rod 2a3 drives the rod body 2a1 to move inwards, the rod body 2a1 stretches the spring 2a2, the spring 2a2 gives the rod body 2a outwards resilience force, the sealing ring one 2a5 is tightly attached to one end of the straight pipe 5, double sealing is convenient for workers, and leakage is avoided when one sealing ring is damaged.
The positioning structure 3 comprises a vertical block 301, the bottom of the vertical block 301 is fixedly connected with the top of the first flange 4, one end of the vertical block 301 is fixedly connected with a cross rod 303, one side of the outer wall of the cross rod 303 is in clearance fit with a block 302, the block 302 can move left and right on the outer wall of the cross rod 303 when being stressed, the bottom of the block 302 is fixedly connected with the top of the second flange 6, the cross rod 303 is inserted into the inner wall of the block 302, positioning between the first flange 4 and the second flange 6 is achieved, screw holes preset in the first flange 4 and the second flange 6 are aligned conveniently, positioning between the first flange 4 and the second flange 6 is facilitated for workers to operate conveniently.
Working principle:
Firstly, a sealing ring II 9 is placed between a flange I4 and a flange II 6, a cross rod 303 is inserted into the inner wall of a block 302, positioning between the flange I4 and the flange II 6 is achieved, a threaded rod 7 is inserted into threaded holes of the flange I4 and the flange II 6, a nut 8 is rotated, connection between the flange I4 and the flange II 6 is achieved, the sealing ring II 9 is clamped, sealing operation is achieved once, meanwhile, a straight pipe 5 is inserted into the flange I4, the straight pipe 5 drives a sealing ring I2 a5 to move inwards, the sealing ring I2 a5 drives an annular plate 2a4 to move inwards, the annular plate 2a4 drives a round rod 2a3 to move inwards, the round rod 2a3 drives a rod body 2a1 to move inwards, the rod body 2a1 stretches a spring 2a, the spring 2a2 gives outward resilience force to the rod body 2a1, the sealing ring I2 a5 is tightly attached to one end of the straight pipe 5, and double sealing operation when the butterfly valve 1 is connected is achieved.
Example 2:
Referring to fig. 1-5: in this embodiment, a manual bidirectional hard sealing flange butterfly valve, where the sealing structure 2 may further include a straight block 2b1, where one ends of the straight blocks 2b1 on the left and right sides are fixedly connected to an outer side of one end of the second sealing ring 9, and the straight blocks 2b1 on the left and right sides are in clearance fit with an outer side groove of one end of the second flange 6 and an outer side groove of one end of the first flange 4.
Working principle:
The straight blocks 2b1 on the left side and the right side are respectively inserted into the outer side groove of one end of the second flange 6 and the outer side groove of one end of the first flange 4, so that the positioning of the second sealing ring 9 is realized, and the second sealing ring 9 is prevented from shifting to influence the sealing effect.
While the utility model has been shown and described with reference to a preferred embodiment, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the scope of the utility model.
Claims (6)
1. The utility model provides a manual two-way hard seal flange butterfly valve, includes butterfly valve (1), its characterized in that: one end fixedly connected with flange one (4) of butterfly valve (1), the one end laminating of flange one (4) has sealing washer two (9), the one end laminating of sealing washer two (9) has flange two (6), the one end fixedly connected with straight tube (5) of flange two (6), the outer wall of straight tube (5) closely laminates with the inner wall of sealing washer two (9), the outer wall one side of straight tube (5) and the one end inner wall clearance fit of flange one (4), one side of butterfly valve (1) is equipped with seal structure (2), one side of flange one (4) is equipped with location structure (3).
2. A manual bi-directional hard seal flange butterfly valve according to claim 1, wherein: sealing structure (2) are including body of rod (2 a 1), the outer wall one side of body of rod (2 a 1) and the inner wall one end recess slip joint of butterfly valve (1), the one end outside fixedly connected with round bar (2 a 3) of body of rod (2 a 1), the one end fixedly connected with annular plate (2 a 4) of round bar (2 a 3), the one end fixedly connected with sealing washer one (2 a 5) of annular plate (2 a 4), the one end of sealing washer one (2 a 5) is laminated mutually with the one end of straight tube (5), the outer wall of sealing washer one (2 a 5) is closely laminated with the inner wall of flange one (4), the one end outside fixedly connected with spring (2 a 2) of body of rod (2 a 1), the one end of spring (2 a 2) and the inner wall one end recess fixed connection of butterfly valve (1).
3. A manual bi-directional hard seal flange butterfly valve according to claim 1, wherein: a threaded rod (7) is in clearance fit with the inner wall of one side of the first flange (4).
4. A manual bi-directional hard seal flange butterfly valve according to claim 3, wherein: one side of the outer wall of the threaded rod (7) is in clearance fit with one side inner wall of the second flange (6).
5. A manual bi-directional hard seal flange butterfly valve according to claim 3, wherein: and one side of the outer wall of the threaded rod (7) is in threaded connection with a nut (8).
6. A manual bi-directional hard seal flange butterfly valve according to claim 1, wherein: the positioning structure (3) comprises a vertical block (301), the bottom of the vertical block (301) is fixedly connected with the top of the first flange (4), one end of the vertical block (301) is fixedly connected with a cross rod (303), one side of the outer wall of the cross rod (303) is in clearance fit with a block body (302), and the bottom of the block body (302) is fixedly connected with the top of the second flange (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323391220.5U CN221196114U (en) | 2023-12-13 | 2023-12-13 | Manual two-way hard seal flange butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323391220.5U CN221196114U (en) | 2023-12-13 | 2023-12-13 | Manual two-way hard seal flange butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221196114U true CN221196114U (en) | 2024-06-21 |
Family
ID=91517590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323391220.5U Active CN221196114U (en) | 2023-12-13 | 2023-12-13 | Manual two-way hard seal flange butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221196114U (en) |
-
2023
- 2023-12-13 CN CN202323391220.5U patent/CN221196114U/en active Active
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