CN221221467U - Butterfly valve with soft back - Google Patents

Butterfly valve with soft back Download PDF

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Publication number
CN221221467U
CN221221467U CN202323354101.2U CN202323354101U CN221221467U CN 221221467 U CN221221467 U CN 221221467U CN 202323354101 U CN202323354101 U CN 202323354101U CN 221221467 U CN221221467 U CN 221221467U
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China
Prior art keywords
valve
valve seat
sleeve
seat assembly
valve body
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CN202323354101.2U
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Chinese (zh)
Inventor
蒋军
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Tianjin Tanggu Yigong Valve Co ltd
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Tianjin Tanggu Yigong Valve Co ltd
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Abstract

The utility model discloses a soft back butterfly valve, which belongs to the technical field of butterfly valves and adopts the technical scheme that the soft back butterfly valve comprises a valve body, wherein the front side and the rear side of the interior of the valve body are respectively provided with an embedded groove, a valve seat assembly is arranged in the valve body, the front side and the rear side of the valve seat assembly are respectively clamped with the embedded grooves, a valve plate is arranged in the valve seat assembly, the top of the valve plate sequentially penetrates through the valve seat assembly and the top side of the interior of the valve body, the valve seat, the embedded grooves, the valve seat assembly, the valve plate and a fluted disc handle are arranged, the embedded grooves formed in the front side and the rear side of the valve body are used for sleeving and fixing a valve seat sleeve and an outer cushion, and then an inner sealing sleeve is welded in the interior of the valve seat sleeve, so that after the valve plate is rotationally connected in the valve seat sleeve, the sealing effect between the valve plate and the inner sealing sleeve is better.

Description

Butterfly valve with soft back
Technical Field
The utility model relates to the technical field of butterfly valves, in particular to a butterfly valve with a soft backrest.
Background
The butterfly valve is also called as a flap valve, is a regulating valve with simple structure, can be used for the on-off control of low-pressure pipeline medium, and is a valve in which a closing member is a disc such as a valve clack or a butterfly plate and rotates around a valve shaft to achieve opening and closing.
The sealing performance of the existing butterfly valve is insufficient and the using torque is limited, so that the butterfly valve with the soft backrest is provided, and compared with a common butterfly valve, the butterfly valve with the soft backrest is used for solving the problem that the torque required by opening and closing the valve is greatly reduced under the condition of ensuring a smaller volume, so that the application range is improved.
Disclosure of utility model
The utility model provides a soft back butterfly valve, which aims to solve the problems that the sealing performance of the existing butterfly valve is insufficient and the using torque is limited, so that the soft back butterfly valve is provided to solve the problems that compared with a common butterfly valve, the valve is ensured to have smaller volume, the torque required by opening and closing the valve is greatly reduced, and the application range is improved.
The utility model is realized in such a way, the soft backrest butterfly valve comprises a valve body, wherein the front side and the rear side of the interior of the valve body are respectively provided with an embedded groove, the interior of the valve body is provided with a valve seat assembly, the front side and the rear side of the valve seat assembly are respectively clamped with the embedded grooves, the interior of the valve seat assembly is provided with a valve plate, the top of the valve plate sequentially penetrates through the valve seat assembly and the top side of the interior of the valve body, the bottom of the valve plate penetrates through the bottom side of the interior of the valve seat assembly and is rotationally connected with the bottom side of the interior of the valve body, the top of the valve body is fixedly connected with a fluted disc handle, and the bottom of the fluted disc handle is fixedly connected with the top of the valve plate;
The valve seat assembly comprises a valve seat sleeve, an outer cushion and an inner sleeve, the valve seat sleeve is sleeved in the valve body, the outer cushion is welded on the rear side of the front side of the valve seat sleeve respectively, the outer cushion is clamped in the embedded groove, the inner sleeve is welded in the middle of the valve seat sleeve, the middle of the bottom side of the inner sleeve is spliced and rotated with the bottom of the valve plate, and the inner side of the inner sleeve is contacted with the outer side of the valve plate.
In order to achieve the effect of sealing and preventing water leakage when the lifting valve body is connected with the pipeline flange, the soft back butterfly valve is preferably characterized in that an annular groove is formed in the outer side of the outer back cushion, and the annular groove is in an inner narrow and outer wide shape.
In order to achieve the effect of stabilizing the embedded groove when being clamped with the outer cushion, the soft backrest butterfly valve is preferable in the utility model, wherein reinforcing grooves are formed in the periphery of the inner side of the embedded groove, connecting columns are formed in the periphery of the inner side of the outer cushion, and the connecting columns are spliced with the reinforcing grooves.
In order to achieve the effect of further facilitating the connection column to be separated from the inside of the reinforcing groove for use, the soft back butterfly valve is preferably provided with the connection column which is in an elliptical shape and is made of rubber materials.
In order to achieve the effect of enhancing stability between the caulking groove and the outer cushion, the soft back butterfly valve is preferable in the utility model, wherein the inner side of the caulking groove is provided with reinforcing grains, the reinforcing grains are in a coarse grid shape, and the outer side of the reinforcing grains is in contact with the inner side of the outer cushion.
In order to achieve the further anti-shake effect between the embedded groove and the outer cushion, the soft back butterfly valve is preferable in the utility model, anti-slip lines are arranged in the outer cushion, the anti-slip lines are in a fine mesh shape, the anti-slip lines are in contact with the reinforcing lines, and the anti-slip lines are positioned on the inner side of the embedded groove.
In order to achieve the effects of large flow passage area and low flow resistance and energy saving, the soft back butterfly valve is preferably designed in a pin-free structure, and the front side and the rear side of the valve plate are streamline.
In order to further improve the sealing effect, the soft back butterfly valve is preferable in the utility model, and the inner sleeve is provided with self-adapting and wear compensating performances.
Compared with the prior art, the utility model has the beneficial effects that:
This soft back butterfly valve through setting up valve body, the caulking groove, disk assembly, valve plate and fluted disc handle, through adopting the caulking groove of valve body front side and rear side seting up to cup joint fixedly with valve seat cover and outer cushion, then through the inside with interior cover butt fusion at the disk seat cover, thereby make the valve plate rotate and connect the inside at the disk seat cover after, sealed effect between its valve plate and the interior cover is better, thereby compare in ordinary butterfly valve, this design sealing performance is better, and abandon traditional ball board and sealing surface's seal structure, make its on-off moment little, advantages such as zero leakage of bidirectional seal, can adapt to multiple operating mode, can only open in the twinkling of an eye with interior cover in the design of interior cover, just contact each other with interior cover, the problem of sealing effect is influenced because of frequently opening and closing the valve, the sealing surface wearing and tearing have thoroughly been solved to the whole butterfly valve, simultaneously, compared with ordinary butterfly valve, the required moment of torsion is improved when guaranteeing great reduction valve under the circumstances, simultaneously, the application scope is showing and is obtained.
Drawings
FIG. 1 is an overall block diagram of a soft back butterfly valve of the present utility model;
FIG. 2 is a schematic illustration of the structure of the valve body and valve seat assembly of the present utility model;
FIG. 3 is a schematic view of the structure of the valve body according to the present utility model;
FIG. 4 is a schematic view of a valve seat assembly according to the present utility model;
Fig. 5 is a schematic view of a valve plate in the present utility model.
In the figure, 1, a valve body; 2. a valve seat assembly; 201. a valve seat cover; 202. an outer cushion; 203. an inner envelope; 3. a valve plate; 4. a caulking groove; 5. a fluted disc handle; 6. a ring groove; 7. a reinforcing groove; 8. and (5) connecting the columns.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, in the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Referring to fig. 1-5, the present utility model provides the following technical solutions: the soft back butterfly valve comprises a valve body 1, wherein caulking grooves 4 are formed in the front side and the rear side of the interior of the valve body 1, a valve seat assembly 2 is arranged in the interior of the valve body 1, the front side and the rear side of the valve seat assembly 2 are clamped with the caulking grooves 4, a valve plate 3 is arranged in the interior of the valve seat assembly 2, the top of the valve plate 3 sequentially penetrates through the valve seat assembly 2 and the top side of the interior of the valve body 1, the bottom of the valve plate 3 penetrates through the bottom side of the interior of the valve seat assembly 2 and is in rotary connection with the bottom side of the interior of the valve body 1, a fluted disc handle 5 is fixedly connected to the top of the valve body 1, and the bottom of the fluted disc handle 5 is fixedly connected with the top of the valve plate 3;
The valve seat assembly 2 comprises a valve seat sleeve 201, an outer cushion 202 and an inner envelope 203, wherein the valve seat sleeve 201 is sleeved in the valve body 1, the outer cushion 202 is respectively welded on the rear side of the front side of the valve seat sleeve 201, the outer cushion 202 is clamped in the embedded groove 4, the inner envelope 203 is welded in the middle of the valve seat sleeve 201, the middle of the bottom side of the inner envelope 203 is spliced with the bottom of the valve plate 3 and rotationally connected, and the inner side of the inner envelope 203 is contacted with the outer side of the valve plate 3.
In this embodiment: through setting up valve body 1, caulking groove 4, disk assembly 2, valve plate 3 and fluted disc handle 5, through adopting caulking groove 4 that valve body 1 front side and rear side were seted up to cup joint fixedly with valve seat cover 201 and outer cushion 202, then through the welding of interior cover 203 in the inside of valve seat cover 201, thereby make after rotating the valve plate 3 and connect the inside at valve seat cover 201, the sealed effect between its valve plate 3 and the interior cover 203 is better, thereby compare in ordinary butterfly valve, this design sealing performance is better, and abandon traditional ball board and sealing face's seal structure, make the moment of force of switch little, advantages such as zero leakage of bi-directional seal, can adapt to multiple operating mode, can use in sewage and the liquid pipeline that contains fine particle, and because of the design of interior cover 203, only contact each other with interior cover 203 in its valve plate 3, the friction has been greatly reduced, the problem of influence sealing effect because of frequently opening and closing the valve, the sealed face has thoroughly solved the sealing performance is not enough and use restriction simultaneously, compared with guaranteeing that the butterfly valve wearing and tearing down is less than ordinary butterfly valve, when the valve is required to be big in the big open and close the moment of torsion, the butterfly valve is great scope is obtained simultaneously.
As a technical optimization scheme of the utility model, the outer side of the outer cushion 202 is provided with the annular groove 6, and the annular groove 6 is in an inner narrow and outer wide shape.
In this embodiment: by arranging the ring groove 6, the sealing and water leakage preventing effects can be realized when the lifting valve body 1 is connected with the pipeline flange, so that the practicability is improved.
As a technical optimization scheme of the utility model, reinforcing grooves 7 are formed on the periphery of the inner side of the caulking groove 4, connecting columns 8 are formed on the periphery of the inner side of the outer cushion 202, and the connecting columns 8 are spliced with the reinforcing grooves 7.
In this embodiment: through setting up reinforcement groove 7 and spliced pole 8, can realize promoting the stable effect when caulking groove 4 and outer cushion 202 joint to increase the practicality.
As a technical optimization scheme of the utility model, the connecting column 8 is in an elliptical shape, and the connecting column 8 is made of rubber material.
In this embodiment: through designing spliced pole 8 into oval shape to this can realize the effect that further be convenient for spliced pole 8 break away from the inside use of reinforcement groove 7, in order to increase the practicality.
As a technical optimization scheme of the utility model, the inner side of the inner part of the caulking groove 4 is provided with reinforcing grains, the reinforcing grains are in a coarse grid shape, and the outer side of the reinforcing grains is contacted with the inner side of the outer cushion 202.
In this embodiment: through the reinforcing lines of the coarse mesh shape formed on the inner side of the inner part of the caulking groove 4, the effect of enhancing the stability between the caulking groove 4 and the outer cushion 202 can be realized, so that the practicability is increased.
As a technical optimization scheme of the present utility model, the inside of the outer cushion 202 is provided with anti-slip patterns, the anti-slip patterns are in a fine mesh shape, the anti-slip patterns are in contact with the reinforcing patterns, and the anti-slip patterns are located at the inner side of the caulking groove 4.
In this embodiment: through offer the anti-skidding line of thin net shape in the inside of outer cushion 202 to this can realize further promotion caulking groove 4 and outer cushion 202 between the effect of preventing rocking, in order to increase the practicality.
As a technical optimization scheme of the utility model, the valve plate 3 adopts a pin-free structural design, and the front side and the rear side of the valve plate 3 are both streamline shapes.
In this embodiment: by designing the valve plate 3 in a pin-free streamline shape, the effects of increasing the flow passage area and reducing the flow resistance to save energy can be achieved, so that the practicability is increased.
As a technical optimization scheme of the present utility model, the inner envelope 203 has adaptive and wear compensating properties.
In this embodiment: by designing the inner envelope 203 to widen the waterline, further improvement of the sealing effect of the inner envelope 203 can be achieved, so as to increase the practicability.
Working principle: firstly, the caulking grooves 4 formed on the front side and the rear side of the valve body 1 are utilized to be sleeved and fixed with the valve seat sleeve 201 and the outer cushion 202, then the inner sleeve 203 is welded in the valve seat sleeve 201, so that after the valve plate 3 is rotationally connected in the valve seat sleeve 201, the sealing effect between the valve plate 3 and the inner sleeve 203 is better, compared with a common butterfly valve, the sealing performance is better, the sealing structure of the traditional ball plate and the sealing surface is abandoned, the switching moment is small, the bidirectional sealing zero leakage and the like, the butterfly valve can adapt to various working conditions, can be used in sewage and liquid pipelines containing fine particles, and can be contacted with the inner sleeve 203 only when the valve plate 3 is opened and closed instantaneously due to the design of the inner sleeve 203, friction is greatly reduced, the problem that the sealing effect is affected due to frequent opening and closing of the valve is solved, the sealing surface is not enough and the limitation of using torque is thoroughly solved, and meanwhile, compared with the common butterfly valve, the sealing performance is greatly reduced, the required opening and closing range is remarkably improved when the butterfly valve is opened and closed under the condition of ensuring smaller volume.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (8)

1. The utility model provides a soft back butterfly valve, includes valve body (1), its characterized in that: the novel valve is characterized in that the embedded grooves (4) are formed in the front side and the rear side of the interior of the valve body (1), the valve seat assembly (2) is arranged in the valve body (1), the front side and the rear side of the valve seat assembly (2) are clamped with the embedded grooves (4), the valve plate (3) is arranged in the valve seat assembly (2), the top of the valve plate (3) sequentially penetrates through the valve seat assembly (2) and the top side of the interior of the valve body (1), the bottom of the valve plate (3) penetrates through the bottom side of the interior of the valve seat assembly (2) and is rotationally connected with the bottom side of the interior of the valve body (1), the fluted disc handle (5) is fixedly connected to the top of the valve body (1), and the bottom of the fluted disc handle (5) is fixedly connected with the top of the valve plate (3);
The valve seat assembly (2) comprises a valve seat sleeve (201), an outer back cushion (202) and an inner sleeve (203), wherein the valve seat sleeve (201) is sleeved inside the valve body (1), the outer back cushion (202) is respectively welded on the front side and the rear side of the valve seat sleeve (201), the outer back cushion (202) is clamped inside the caulking groove (4), the inner sleeve (203) is welded in the middle of the inner part of the valve seat sleeve (201), the middle of the inner bottom side of the inner sleeve (203) is spliced and rotated to be connected with the bottom of the valve plate (3), and the inner side of the inner sleeve (203) is in contact with the outer side of the valve plate (3).
2. The soft back butterfly valve of claim 1, wherein: an annular groove (6) is formed in the outer side of the outer cushion (202), and the annular groove (6) is in an inner narrow and outer wide shape.
3. The soft back butterfly valve of claim 1, wherein: reinforcing grooves (7) are formed in the periphery of the inner side of the caulking groove (4), connecting columns (8) are formed in the periphery of the inner side of the outer cushion (202), and the connecting columns (8) are spliced with the reinforcing grooves (7).
4. A soft back butterfly valve according to claim 3, wherein: the connecting column (8) is in an elliptical shape, and the connecting column (8) is made of rubber materials.
5. The soft back butterfly valve of claim 1, wherein: reinforcing grains are formed in the inner side of the embedded groove (4), the reinforcing grains are in a coarse grid shape, and the outer side of the reinforcing grains is in contact with the inner side of the outer cushion (202).
6. The soft back butterfly valve of claim 1, wherein: the anti-slip patterns are formed in the outer cushion (202), are in a fine mesh shape, and are in contact with the reinforcing patterns, and are located on the inner side of the caulking groove (4).
7. The soft back butterfly valve of claim 1, wherein: the valve plate (3) adopts a pin-free structural design, and the front side and the rear side of the valve plate (3) are streamline shapes.
8. The soft back butterfly valve of claim 1, wherein: the inner envelope (203) has adaptive and wear compensating properties.
CN202323354101.2U 2023-12-09 2023-12-09 Butterfly valve with soft back Active CN221221467U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202323354101.2U CN221221467U (en) 2023-12-09 2023-12-09 Butterfly valve with soft back

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202323354101.2U CN221221467U (en) 2023-12-09 2023-12-09 Butterfly valve with soft back

Publications (1)

Publication Number Publication Date
CN221221467U true CN221221467U (en) 2024-06-25

Family

ID=91571665

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202323354101.2U Active CN221221467U (en) 2023-12-09 2023-12-09 Butterfly valve with soft back

Country Status (1)

Country Link
CN (1) CN221221467U (en)

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