TWI789677B - Disc valve and method of manufacturing the same - Google Patents

Abstract

A disc valve is provided, including: a main body, including a channel and an inner wall defining the channel, the inner wall having at least one slot extending circumferentially; a disc, rotatably connected with the main body about a rotational axis transverse to the channel; and at least two blocking members, disposed within the at least one slot and protruding beyond the inner wall, the at least two blocking members being disposed at two opposite sides of the disc and blockable with the disc on a rotation path of the disc. A method of manufacturing the disc valve as described above is further provided, including following steps of: preparing the main body having the at least one slot; assembling the disc on the main body and disposing the at least two blocking members within the at least one slot.

Description

Disc valve and manufacturing method thereof

The present invention is related to valves, in particular to a butterfly valve and its manufacturing method.

Generally, when controlling the connection of pipelines, butterfly valves are used to control the flow of fluid. The known butterfly valve includes a valve body and a disc. The valve body is provided with a pipe, and the disc is rotatably arranged on the pipe along the diameter of the pipe. By controlling the deflection angle of the disc relative to the pipe, the Control the connectivity of the pipeline.

The types of butterfly valves generally can be divided into two forms for low temperature (below 250 degrees) and high temperature (higher than 250 degrees) according to the temperature of the environment in which they are used. Among them, the disc valve for high temperature is provided with a baffle on the peripheral wall of the pipeline to limit the rotation of the disc. However, the existing baffle is prone to problems such as difficult processing and insufficient structural strength due to the small space of the pipeline during processing, and there are shortcomings that need to be improved urgently.

Therefore, it is necessary to provide a novel and progressive butterfly valve and its manufacturing method to solve the above-mentioned problems.

The main purpose of the present invention is to provide a butterfly valve and its manufacturing method, which has good structural strength and is easy to process and manufacture.

In order to achieve the above object, the present invention provides a disc valve, comprising: a body, including a channel and an inner wall surrounding the channel, the inner wall is provided with grooves extending in at least one direction; a disc, with a transverse The axis of rotation of the channel is rotatably connected to the body; and at least two stoppers are located in the at least one groove and protrude from the inner wall surface, and the at least two stoppers are located on opposite sides of the disc And it can interfere and stop the disc on one of the rotation paths of the disc.

In order to achieve the above object, the present invention further provides a manufacturing method of the disc valve as described above, comprising the following steps: preparing the body with the at least one groove; assembling the disc on the body and placing the at least two stops The component is arranged in the at least one groove.

1: Disc valve

10: Ontology

11: channel

12: Inner wall surface

121: Groove

122: side

13: Group connection hole

20: Disc

30: block

31: end

32: stop section

33: snap-in section

40: rotating shaft

50: Joining material

E: Extension direction

R: axis of rotation

Fig. 1 is a perspective view of a preferred embodiment of the present invention.

Fig. 2 is an exploded view of a preferred embodiment of the present invention.

Fig. 3 is a sectional view of a preferred embodiment of the present invention.

Fig. 4 is a partially enlarged view of a preferred embodiment of the present invention.

Fig. 5 is a perspective view of a body of a preferred embodiment of the present invention.

FIG. 6 and FIG. 7 are schematic diagrams of assembly of a preferred embodiment of the present invention.

The following examples illustrate possible implementations of the present invention, but are not intended to limit the scope of protection of the present invention.

Please refer to FIGS. 1 to 7 , which show a preferred embodiment of the present invention. The disc valve 1 of the present invention includes a body 10 , a disc 20 and at least two stoppers 30 .

The body 10 includes a channel 11 and an inner wall 12 surrounding the channel 11, the inner wall 12 is provided with a groove 121 extending in at least one direction; the disc 20 is rotatably connected with a rotational axis R as the axis In the body 10, the rotational axis R is transverse to the extension direction E of the channel 11; the at least two stoppers 30 are arranged in the at least one groove 121 and protrude from the inner wall surface 12, and the at least two stoppers 30 are located at The two opposite sides of the disc 20 can interfere and stop the disc 20 on a rotation path of the disc 20 , and the structure is simple and strong.

The at least one groove 121 includes two side portions 122 located on opposite sides of the rotational axis R, at least one of the two side portions 122 is provided with a plurality of adjacent stoppers 30 for easy assembly. The inner wall surface 12 is provided with a plurality of the grooves 121, at least two of the grooves 121 are staggered in the extending direction E of the channel 11 and are respectively provided with at least one stopper 30, whereby each stopper 30 can It stably abuts against two opposite sides of the disc 20 in the extending direction E. With reference to Fig. 2 and Fig. 3, in this embodiment, the inner wall surface 12 is provided with two grooves 121 extending in a ring shape, which are easy to process; The side portions 122 are respectively provided with a plurality of the blocking members 30 (the number of the plurality of blocking members is two in this embodiment), which is easy to process and has a good blocking effect. Each of the stoppers 30 is an arc-shaped extending plate body, which has a simple structure and is easy to manufacture. For example, the material of the plurality of stoppers 30 can be metal, plastic or composite material, etc. When the hardness of each stopper 30 is relatively high, the plurality of stoppers can be easily combined by multi-stage assembly. 30 is embedded in one of the grooves 121, which is convenient for processing and can be stably connected. However, the inner wall surface can also be provided with only one circularly extending groove; the inner wall surface can also be provided with two circumferentially misaligned grooves extending in an arc shape; each side portion can also be provided with only one stopper , the stopper can be slightly deformed for easy installation.

In detail, the disc valve 1 further includes a rotating shaft 40 connected to the disc 20 in a non-rotatable manner. The body 10 is further provided with two assembly holes 13 extending along the rotating shaft R. The rotating shaft 40 is located on The second group The connection hole 13, the at least one groove 121 communicates with the two groups of connection holes 13, which is convenient for alignment processing. However, the position of each of the grooves relative to the two sets of connecting holes can also be set at an appropriate position according to the thickness, structure, shape, etc. of the disc; each of the grooves can also be disconnected from the two sets of connecting holes.

With reference to FIG. 4 , at least one end 31 of at least one of the at least two stoppers 30 protrudes from the groove 121 at a distance gradually decreasing toward the rotational axis R, so as to avoid contact with the disc valve when the disc 20 rotates. 1 other components interfere. Preferably, each of the stoppers 30 includes at least one stopper section 32 and at least one engaging section 33 connected to the at least one stopper section 32 , and the at least one stopper section 32 protrudes a distance beyond the inner wall surface 12 It is greater than the distance that the at least one clamping section 33 protrudes from the inner wall surface 12 . In this embodiment, the end 31 of each stopper 30 is provided with a snap-in section 33, whereby each snap-in section 33 is less pushed by the disc 20 and can prevent each stopper 30 from disengaging The at least one groove 121 and the at least one stop section 32 can provide a larger contact area to abut against the disc 20 , and have good stability and strength. The radial dimension of each stop section 32 is larger than the radial dimension of the engaging section 33 , which has good blocking effect and assembly stability; the depth of each groove 121 is not less than that of the engaging section 33 1/2 of a radial thickness, so as to stably engage and avoid deformation and breakage of each engaging section 33 due to undue force. In other embodiments, each engaging segment can also be arranged between two adjacent blocking segments.

The present invention also provides a manufacturing method of the disc valve 1 as described above, comprising the following steps: preparing a body 10 provided with at least one groove 121, as shown in FIG. 5 ; assembling the disc 20 on the body 10 And the at least two stoppers 30 are disposed in the at least one groove 121 , as shown in FIG. 6 and FIG. 7 . In this embodiment, the two stoppers 30 are embedded in one of the grooves 121 first, then the disc 20 is assembled on the body 10, and finally the other two stoppers 30 are set in the other recess. The groove 121 is easy to process. However, the disc 20 can also be assembled to the body 10 first, and then the plurality of stoppers 30 are arranged in the two grooves 121 . Preferably, the manufacturing method further includes a step of fixing the at least two stoppers 30 to the inner wall surface 12, for example, by welding, direct welding, or welding with a bonding material 50, and the bonding strength good.

1: Disc valve

10: Ontology

20: Disc

30: block

Claims (9)

A disc valve, comprising: a body, including a channel and an inner wall surrounding the channel, the inner wall is provided with grooves extending in at least one direction; a disc, rotatably connected with a rotating axis In the body, the rotation axis is transverse to an extension direction of the channel; and at least two stoppers are arranged in the at least one groove and protrude from the inner wall surface, and the at least two stoppers are located on opposite sides of the disc And it can interfere and stop the disc on one of the rotation paths of the disc; wherein, the inner wall surface is provided with a plurality of the grooves, at least two of the grooves are staggered in the extending direction of the channel and are respectively provided with at least One of the stoppers. A disc valve, comprising: a body, including a channel and an inner wall surrounding the channel, the inner wall is provided with grooves extending in at least one direction; a disc, rotatably connected with a rotating axis In the body, the rotation axis is transverse to an extension direction of the channel; and at least two stoppers are arranged in the at least one groove and protrude from the inner wall surface, and the at least two stoppers are located on opposite sides of the disc And it can interfere and stop the disc on one of the rotation paths of the disc; wherein, the disc valve further includes a rotation shaft connected to the disc in a non-rotatable manner, wherein the body is additionally provided with two shafts along the rotation axis. As for the extended assembly hole, the rotation shaft is arranged in the two sets of connection holes, and the at least one groove communicates with the two sets of connection holes. The butterfly valve as claimed in claim 2, wherein the distance between at least one end of at least one of the at least two blocking members protruding from the groove gradually decreases toward the rotation axis. The disc valve as claimed in claim 1, wherein the inner wall is provided with two grooves extending in an annular shape. The butterfly valve as claimed in claim 1, wherein the at least one groove includes two side portions on two opposite sides of the rotation axis, at least one of the two side portions is provided with a plurality of adjacent blocking members. A disc valve, comprising: a body, including a channel and an inner wall surrounding the channel, the inner wall is provided with grooves extending in at least one direction; a disc, rotatably connected with a rotating axis In the body, the rotation axis is transverse to an extension direction of the channel; and at least two stoppers are arranged in the at least one groove and protrude from the inner wall surface, and the at least two stoppers are located on opposite sides of the disc And it can interfere and stop the disc on one of the rotation paths of the disc; wherein each of the stoppers includes at least one stop section and at least one snap-in section connected with the at least one stop section, and the at least one stop section The distance that the stopping section protrudes from the inner wall is greater than the distance that the at least one clamping section protrudes from the inner wall. The disc valve as described in claim 3, wherein the inner wall is provided with two grooves extending in a circular shape, and the two grooves are staggered in the extending direction of the channel and are respectively provided with at least one stopper; The groove includes two side portions located on two opposite sides of the rotation axis, and the circumferentially shifted two side portions are respectively provided with a plurality of adjacent stoppers; each of the stoppers includes at least one stopper section and at least one The clamping section connected with the at least one stop section, the distance of the at least one stop section protruding from the inner wall surface is greater than the distance of the at least one clamp section protruding from the inner wall surface; the diameter of each stop section The dimension is greater than a radial dimension of the engaging section; the depth of each groove is not less than 1/2 of the radial thickness of the engaging section; and each of the stoppers is an arc-shaped extending plate sheet body. A method of manufacturing a disc valve as described in any one of Claims 1 to 7, comprising the following steps: preparing a body provided with at least one groove; and assembling the disc on the body and placing the at least two stops The component is arranged in the at least one groove. The manufacturing method according to claim 8, further comprising a step of fixing the at least two stoppers to the inner wall.

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