TWI615569B - Adjust valve - Google Patents

Abstract

A regulating valve includes a base body, a first plug body and a second plug body. The base body is formed with a receiving cavity and an air outlet communicating with the receiving cavity. The receiving cavity has at least one opening. The first plug body is fixedly received in the receiving cavity and has a first passage. The second plug body is rotatably received in the receiving cavity and disposed adjacent to the opening. The second plug body is formed with a second passage and a gas passage communicating with the second passage, and the air bearing groove extends around the peripheral wall of the second plug body and communicates with the air outlet. The second plug body is airtightly resisted to the inner side walls of the first plug body and the base body. The second passage includes an air guiding portion and an air outlet portion that are connected to each other, and the air guiding portion is disposed away from a central axis of the second plug body, and the air outlet portion is in communication with the air receiving groove.

Description

Regulating valve

The present invention relates to a control valve, and more particularly to a regulating valve.

In industrial production, process parameters such as air pressure are generally regulated by a regulating valve to process the workpiece in different processing environments. The existing regulating valve generally comprises a valve body, a valve core installed in the valve body and a nut mounted on the valve core, and the rotating nut blocks the valve core to block or communicate the air inlet hole and the air outlet hole on the valve body. However, the regulating valve has a single structure and can only regulate the circulation or disconnection of the gas, and the limitation is large in applicable occasions.

In view of the above, it is necessary to provide a regulating valve which is novel in structure and can adjust the air flow.

A regulating valve includes a base body having a receiving cavity and an air outlet communicating with the receiving cavity. The receiving cavity has at least one opening, and the adjusting valve further includes a first plug body and a second plug body. The first plug body is fixedly received in the receiving cavity and defines a first passage, and the second plug body is rotatably received. Provided in the receiving cavity and adjacent to the opening, the second plug body is formed with a second passage and a gas receiving groove communicating with the second passage, the air bearing groove surrounding the outer peripheral wall of the second plug body and The second plug body is airtightly abutted against the first plug body and the inner side wall of the base body, so that the first passage, the second passage, the air bearing groove and the air outlet hole together form a gas The dense passage, the second passage includes the phase Interconnecting the air guiding portion and the air outlet portion, the air guiding portion is disposed away from a central axis of the second plug body, the air outlet portion is in communication with the air receiving groove, and rotating the second plug body enables the second channel to be realized Connected to the first passage.

The regulating valve of the present invention can be eccentrically disposed in the second plug body to provide a second passage by providing a first passage in the first plug body, and the second passage can be configured to rotate the second plug body to communicate with the first passage, thereby adjusting The flow of gas through the first passage and the second passage.

100‧‧‧Regulator

10‧‧‧Seal

20‧‧‧ base

21‧‧‧ first end face

23‧‧‧second end face

24‧‧‧Installation slot

25‧‧‧ side

26‧‧‧ containment chamber

261‧‧‧ openings

27‧‧‧Boss

28‧‧‧ Vents

29‧‧‧fixed slot

30‧‧‧First body

32‧‧‧First Passage

322‧‧‧Intake Department

325‧‧‧ Ventilation Department

35‧‧‧sealing groove

36‧‧‧ card holder

40‧‧‧Second body

42‧‧‧ Main body

422‧‧‧second channel

424‧‧‧Gas Department

425‧‧‧First storage trough

426‧‧‧Exhaust department

427‧‧‧Air tank

428‧‧‧Second holding trough

50‧‧‧ cushioning parts

52‧‧‧shims

54‧‧‧Baffle

60‧‧‧ knob

70‧‧‧Limited parts

80‧‧‧Seal

90‧‧‧ screws

300‧‧‧ joint

400‧‧‧ intake pipe

500‧‧‧ gas pipeline

1 is an exploded perspective view of a regulating valve according to an embodiment of the present invention.

Figure 2 is an assembled view of the regulating valve shown in Figure 1.

Figure 3 is a cross-sectional view of the regulating valve of Figure 2 taken along line III-III.

Referring to FIG. 1 to FIG. 3 together, the regulating valve 100 of the embodiment of the present invention includes a base body 20, a first plug body 30, a second plug body 40, a buffer member 50, a knob 60, a plurality of limiting members 70, and a plurality of sealing members. 80. The first plug body 30 is received in the base body 20. The second plug body 40 is received in the base body 30 and abuts against the first plug body 30. The buffer member 50 is disposed at an end of the second plug body 40 away from the first plug body 30. The knob 60 is mounted on the second plug body 40. The plurality of limiting members 70 are mounted on the base body 20 for limiting the first plug body 30 and the second plug body 40. In the present embodiment, the regulating valve 100 is made of a corrosion resistant material such as iron or the like.

The base body 20 is substantially cylindrical. The base body 20 includes a first end surface 21, a second end surface 23, and a side surface 25 connecting the first end surface 21 and the second end surface 23. The base body 20 penetrates the first end surface 21 and the second end surface 23 to form a receiving cavity 26, and the central axis of the receiving cavity 26 substantially coincides with the central axis of the base body 20. The receiving cavity 26 has two openings 261 adjacent to the first end surface 21 and the second end surface 23, respectively. An air outlet 28 communicating with the receiving cavity 26 is also formed on the side surface 25 of the base body 20. Two mounting grooves 24 and a boss 27 are formed on the inner side wall of the base body 20 at intervals. Two mounting slots 24 are respectively adjacent to the first end surface 21 and the second end face 23 are provided. The boss 27 is disposed adjacent to the second end face 23. The second end 23 of the base body 20 extends toward the boss 27 by a fixing groove 29.

The first plug body 30 is fixedly received in the receiving cavity 26 and abuts against the bottom wall of the receiving cavity 26, and its central axis coincides with the central axis of the base body 10. The first plug body 30 is provided with a first passage 32 through its opposite ends. The first passage 32 includes an intake portion 322 and a vent portion 325 that communicate with each other. The air inlet portion 322 extends through one end of the first plug body 30 adjacent to the second end surface 23 and extends along a central axis of the first plug body 30. The vent 325 is disposed away from the central axis of the first plug body 30 and penetrates the first plug body 30 adjacent to one end of the first end face 21. A sealing groove 35 is recessed in the sidewall of the first plug body 30. The seal groove 35 extends around the peripheral wall of the first plug body 30. A sealing member 80 is received in the sealing groove 35 and airtightly abuts against the inner side wall of the base body 10 to hermetically connect the first plug body 10 with the base body 10. The first plug body 30 extends radially adjacent to one end of the second end surface 23 to form a latching protrusion 36. The catching projection 36 is received in the fixing groove 29 and is engaged with the boss 27. In the present embodiment, the fixing groove 29 is for restricting the rotation of the first plug body 30.

The second plug body 40 is movably received in the receiving cavity 26 and abuts against the first plug body 30 , and partially protrudes out of the receiving cavity 26 through the opening 261 . The central axis of the second plug body 40 coincides with the central axis of the base body 20. The second plug body 40 includes a main body portion 42 and a connecting portion 44 that protrudes from one end of the main body portion 42. The main body portion 42 is airtightly biased against the first plug body 30 away from one end of the connecting portion 44. A second passage 422 is defined in the main body portion 42. The second passage 422 includes a gas guiding portion 424 and an air outlet portion 426 that communicate with each other. The air guiding portion 424 extends through the main body portion 42 adjacent to one end of the first plug body 30 at a position matching the position of the venting portion 325 of the first passage 32 and offset from the central axis of the second plug body 40, so that the second passage 422 can It is in communication with the first passage 32. The air outlet portion 424 penetrates the side wall of the main body portion 42 and is positioned to match the position of the air outlet hole 28. The first receiving groove 425, the air receiving groove 427 and the second receiving groove 428 are formed on the side wall of the main body portion 42. The first receiving groove 425, the air receiving groove 427 and the second receiving groove 428 surround the second plug body 40. The perimeter wall extends. The air bearing groove 427 is located between the first receiving groove 425 and the second receiving groove 428 and communicates with the air outlet portion 424 and the air outlet 28 of the second passage 422. The two sealing members 10 are respectively received in the first receiving groove 425 and the second receiving groove 428 and are airtightly abutted against the inner wall of the base body 20 . In the present embodiment, the surface of the main body portion 42 that is in contact with the first plug body 30 is coated with a sealing oil (not shown) for sealingly connecting the first plug body 30 and the second plug body 40. The distance between the air guiding portion 424 and the central axis of the base body 20 and the venting portion The distances 325 are equal to the center axis. It can be understood that in other embodiments, the distance of the air guiding portion 424 from the central axis of the base body 20 and the distance from the central axis of the venting portion 325 may not be equal, as long as the second channel 422 can communicate with the first channel 32, in the second plug When the body 40 is rotated about the central axis of the base body 20, the communication area between the second passage 422 and the first passage 32 can be gradually changed.

The buffer member 50 is disposed at one end of the main body portion 42 away from the first plug body 30 and sleeved on the connecting portion 44. The cushioning member 50 includes a spacer 52 and a shutter 54. The spacer 52 and the baffle 54 are sequentially stacked on one end of the main body portion 42 away from the first plug body 30. In the present embodiment, the surface of the spacer 52 in contact with the second plug body 40 is a smooth plane.

A limiting member 70 is received in the mounting groove 24 adjacent to the first end surface 21 and abuts against the baffle 54 to prevent the second plug body 40 from coming out of the receiving cavity 26. A limiting member 70 is received in the mounting groove 24 adjacent to the second end surface 23 and abuts against the first plug body 30 to prevent the first plug body 30 from coming out of the receiving cavity 26. The knob 60 is fixedly mounted at one end of the connecting portion 44 away from the main body portion 42. In the present embodiment, the knob 60 is fixed to the connecting portion 44 by a screw 90.

In the assembly, the first plug body 30 is first received in the receiving cavity 26 via the second end surface 23, and the latching protrusion 36 is received in the fixing groove 29 and is engaged with the boss 27; The receiving body 24 is received in the mounting groove 24 adjacent to the second end surface 23, and the limiting member 70 is abutted against the first plug body 30, thereby fixing the first plug body 30 to the base body 20. Next, the second plug 40 is received in the receiving cavity 26 via the first end surface 21, and the position of the second passage 422 is matched with the position of the first passage 32, so that the position of the air bearing groove 427 and the air outlet 28 are The position matches. Again, the spacer 52 and the second plug 40 of the shutter 54 are sequentially sleeved on the connecting portion 44 and stacked on the main body portion 42. The other limiting member 70 is received in the other mounting groove 24 and is biased against the baffle 54 to prevent the second plug body 40 from coming out of the receiving cavity 26. Finally, the knob 60 is fixedly coupled to the connecting portion 44.

In use, the two joints 300 are respectively inserted into the air inlet portion 322 and the air outlet hole 28 of the first passage 32 for connecting the intake duct 400 and the air outlet duct 500. The knob 60 is rotated to rotate the second plug body 40 in the receiving cavity 26 about the central axis of the base 10. When rotating, the air guiding portion 424 performs an alternating rotational motion corresponding to the venting portion 325, so that the communication area between the air guiding portion 424 and the venting portion 325 is gradually decreased or gradually increased. Large, thereby regulating the flow of gas through the first passage 32 and the second passage 422. In the present embodiment, the rotation angle of the knob 60 is 0-90 degrees.

It can be understood that in other embodiments, other fixing manners may be adopted between the knob 60 and the connecting portion 44 and between the first plug body 30 and the base body 20, such as a hook fixing, and the knob 60 and the connecting portion 44 may be The first plug body 30 can also be integrally formed with the base body 20 in one piece. The sealing member 80 can be omitted, as long as the first plug body 30 is hermetically connected to the base body 20, the second plug body 40 is hermetically connected to the base body 20, and the second plug body 40 is hermetically connected to the first plug body 30. Just fine. The connecting portion 44 can be omitted, and the knob 60 can be directly fixed to the middle end of the main body portion 42 as long as the knob 60 can drive the second plug body 40 to rotate about the central axis of the base body 20, and the second plug body 40 can be received. In the receiving cavity 26. The cushioning member 50 can be omitted, and the second plug body 40 directly abuts against the limiting member 70. The knob 60 can be omitted and the second plug body 40 can be directly rotated to rotate about the central axis of the base 20. The receiving cavity 26 can only pass through the first end surface 21 or the second end surface 23 of the base body 20, and the receiving cavity 26 has an opening 261. The first plug body 30 is fixedly received in the receiving cavity 26, so that the second plug body 40 is provided. The movable body is received in the receiving cavity 26 and disposed adjacent to the opening 261 so that the second plug body 40 can be driven by an external force. At this time, the air hole of the base body 20 connected to the first passage 32 is opened on the side of the base body 20 away from the opening 261 ( Not shown) so that airflow can flow into the first passage 32.

The regulating valve 100 of the embodiment of the present invention is fixedly received in the receiving cavity 26 by the first plug body 30, and the second plug body 40 is rotatably received in the receiving cavity 26 and abuts against the first plug body 30. The first body 32 and the second channel 422 are respectively disposed on the side of the second body 40 and are disposed on the side wall of the second body 40 and extend around the peripheral wall of the second body 40 and are connected to the second channel 422. Through the gas tank 427. The knob 60 drives the second plug body 40 to rotate, so that the second passage 422 communicates with the first passage 32; the knob 60 drives the second plug body 40 to rotate, so that the air guiding portion 424 performs an alternating rotational motion corresponding to the venting portion 325, thereby The area of communication between the second passage 422 and the first passage 32 is gradually increased or decreased, thereby regulating the flow of air flowing through the first passage 32 and the second passage 422. The regulating valve 100 of the invention has simple structure, simple operation, corrosion resistance and can be used in various processing places.

In summary, the present invention complies with the requirements of the invention patent, and submits a patent application according to law. However, the above is only a preferred embodiment of the present invention, and equivalent modifications or variations made by those skilled in the art will be included in the following claims.

100‧‧‧Regulator

10‧‧‧Seal

21‧‧‧ first end face

23‧‧‧second end face

24‧‧‧Installation slot

27‧‧‧Boss

28‧‧‧ Vents

29‧‧‧fixed slot

32‧‧‧First Passage

322‧‧‧Intake Department

325‧‧‧ Ventilation Department

35‧‧‧sealing groove

36‧‧‧ card holder

422‧‧‧second channel

424‧‧‧Gas Department

425‧‧‧First storage trough

426‧‧‧Exhaust department

427‧‧‧Air tank

428‧‧‧Second holding trough

52‧‧‧shims

54‧‧‧Baffle

60‧‧‧ knob

70‧‧‧Limited parts

80‧‧‧Seal

Claims (10)

A regulating valve includes a base body having a receiving cavity and an air outlet communicating with the receiving cavity, wherein the receiving cavity has at least one opening, and the regulating valve further comprises a first plug body and a second The first plug body is fixedly received in the receiving cavity and is provided with a first passage, the second plug body is rotatably received in the receiving cavity and disposed adjacent to the opening, and the second plug body is formed with a second a passage and a gas passage communicating with the second passage, the air bearing groove surrounding the outer peripheral wall of the second plug body and communicating with the air outlet, the second plug body airtightly resisting the first plug And the inner side wall of the base body, such that the first passage, the second passage, the air bearing groove and the air outlet jointly form an airtight passage, and the second passage includes an air guiding portion and an air outlet portion communicating with each other, The air guiding portion is disposed away from a central axis of the second plug body, and the air outlet portion is in communication with the air receiving groove, and the second channel can be connected to the first channel by rotating the second plug body. The regulating valve of claim 1, wherein the regulating valve further comprises a limiting member, the limiting member is disposed on an inner side wall of the base body, and is away from the first plug body by the second plug body One end is opposite. The regulating valve of claim 2, wherein the regulating valve further comprises a buffer member interposed between the second plug body and the limiting member. The control valve of claim 1, wherein the second plug body further has a first receiving slot and a second receiving slot, wherein the first receiving slot and the second receiving slot are along the second plug The peripheral wall of the body extends and is located on opposite sides of the gas-receiving groove, and the regulating valve further includes two sealing members respectively received in the first receiving groove and the second receiving groove and in the base body The side wall phase is airtightly resisted. The regulating valve of claim 1, wherein the inner side wall of the base body is formed with a mounting groove and a boss, and the regulating valve further comprises a limiting member received in the mounting groove, the first plug One end of the body extends radially to form a latching protrusion, and the latching protrusion is engaged with the boss, and the limiting member is The first plug body abuts against one end of the latching protrusion, thereby axially fixing the first plug body to prevent the first plug body from coming out of the receiving cavity. The adjusting valve of claim 5, wherein the base body extends from one end thereof toward the boss to form a fixing groove, and the holding protrusion is received in the fixing groove to limit the rotation of the first plug body. The regulating valve according to claim 1, wherein the first passage includes an inlet portion and a venting portion that communicate with each other, and the inlet portion penetrates the first plug body away from one end of the second plug body, the ventilation The portion penetrating the first plug body adjacent to one end of the second plug body and capable of communicating with the air guiding portion of the second channel, the venting portion being disposed away from a central axis of the base body. The regulating valve of claim 7, wherein the air guiding portion penetrates the second plug body adjacent to one end of the first plug body, and the distance of the air guiding portion from the central axis of the base body deviates from the venting portion The center axis of the base body has the same distance, and the air outlet portion penetrates one side of the second plug body. The regulating valve according to claim 1, wherein the second plug body comprises a main body portion and a connecting portion formed at one end of the main body portion, the connecting portion extending along a central axis direction of the base body. The regulating valve of claim 9, wherein the regulating valve further comprises a knob fixedly coupled to the connecting portion.