CN217784289U - Corrugated pipe sealing two-stage flow velocity distribution valve - Google Patents
Corrugated pipe sealing two-stage flow velocity distribution valve Download PDFInfo
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- CN217784289U CN217784289U CN202221790822.0U CN202221790822U CN217784289U CN 217784289 U CN217784289 U CN 217784289U CN 202221790822 U CN202221790822 U CN 202221790822U CN 217784289 U CN217784289 U CN 217784289U
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Abstract
The utility model discloses a bellows seal two-stage velocity of flow distribution valve, which comprises a cylinder, a valve body, the valve rod, go up the spring, and the bellows, the pan feeding mouth in the intercommunication valve body has been seted up to the valve body side, the discharge gate has been seted up to the valve body lower extreme, the valve rod penetrates in the valve body from the valve body upper end, the lower extreme of valve rod passes through the sealing washer and realizes the sealing connection with the discharge gate, the bellows is located in the valve body, and the cover is located outside the valve rod, the inner wall fixed and the sealing connection of the upper end of bellows and valve body upper end, the lower extreme of bellows is fixed in outside the valve rod, and with valve rod periphery sealing connection, it locates outside the valve rod to go up the spring coil, and be located in the bellows, the upper end butt of going up the spring is in the valve body upper end, the lower extreme butt of going up the spring is in the bellows lower extreme, the cylinder is used for driving the valve rod along valve body axial displacement. The utility model discloses in, can ensure the normal motion of valve rod, avoid appearing the valve and be difficult to open or close the not tight condition, simultaneously, the bellows has scalability, can not obstruct the linear motion of valve rod.
Description
Technical Field
The utility model relates to a bleeder valve technical field especially relates to a bellows seal two-stage velocity of flow distribution valve door.
Background
The development in the chemical industry has resulted in a number of new liquid materials with different chemical and physical properties, such as UV ink, some of which are not subjected to high shear force, and when subjected to shear force or friction, the liquid will rapidly solidify and form hard solids to gather at the position where the shear force is generated, such as a hard solidified material formed between a linear sealing sleeve and a valve stem, which hinders the movement of the valve stem and makes the valve difficult to open or close.
SUMMERY OF THE UTILITY MODEL
Based on this, the utility model aims at providing a two-stage velocity of flow distribution valve is sealed to bellows that can be applicable to the liquid that can not receive the shearing force.
The utility model provides a bellows seal two-stage velocity of flow distribution valve, includes cylinder, valve body, valve rod, goes up the spring to and bellows, the pan feeding mouth in the intercommunication valve body has been seted up to the valve body side, the discharge gate has been seted up to the valve body lower extreme, the valve rod penetrates in the valve body from the valve body upper end, the lower extreme of valve rod passes through the sealing washer realize with the sealing connection of discharge gate, the bellows is located in the valve body, and outside the cover located the valve rod, the upper end of bellows is fixed with the inner wall of valve body upper end and sealing connection, outside the lower extreme of bellows was fixed in the valve rod, and with valve rod periphery sealing connection, go up the spring coil and locate outside the valve rod, and be located the bellows, the upper end butt of going up the spring is in the valve body upper end, the lower extreme butt of going up the spring in bellows lower extreme, the cylinder is used for driving the valve rod along valve body axial displacement.
The utility model discloses in, the upper end of bellows and the fixed and sealing connection of inner wall of valve body upper end, and then can avoid letting the interior UV printing ink of inflow valve body or the liquid that can not receive the shear force form hard cured object between valve rod and valve body junction, ensured the normal motion of valve rod, avoid appearing the valve and be difficult to open or close the not tight condition, simultaneously, because the bellows has scalability, and then set up the linear motion that the bellows can not obstruct the valve rod.
Preferably, the bellows seal two-stage flow rate distribution valve further comprises a valve body upper pressure seat and a spring pressure seat, the lower portion of the valve body upper pressure seat extends into the valve body from the upper end of the valve body and is fixed at the upper end of the valve body in a threaded manner, the lower portion of the spring pressure seat extends into the valve body upper pressure seat from the upper end of the valve body upper pressure seat and is fixed at the upper end of the valve body upper pressure seat in a threaded manner, the valve rod penetrates through the spring pressure seat, the upper end of the bellows is fixed and hermetically connected with the inner side of the valve body upper pressure seat, and the upper end of the upper spring abuts against the lower end of the spring pressure seat.
Preferably, the end part of a telescopic rod of the air cylinder is coaxially fixed with the upper end of the valve rod through a connecting rod.
Preferably, the bellows seal two-stage flow rate distribution valve further comprises a cylinder connecting sleeve, the cylinder is located above the valve body, the lower end of the cylinder is sleeved with the upper end of the cylinder connecting sleeve, and the spring pressing seat is sleeved with the lower end of the cylinder connecting sleeve.
Preferably, the side surface of the valve body is further provided with a circulation port communicated with the inside of the valve body.
Preferably, the cylinder is the double-stroke cylinder, the valve rod includes little valve rod and big valve rod, big valve rod connect in little valve rod lower extreme, the bell mouth that runs through both ends from top to bottom is seted up along the axial at the middle part of big valve rod, the lower extreme of little valve rod penetrates in the bell mouth, the lower extreme of little valve rod has run through down the elasticity pin along the direction of perpendicular to axis, the long strip-shaped spout has been seted up along the axial to big valve rod, and the long strip-shaped spout runs through to the bell mouth in, the tip of elasticity pin stretches into down in the long strip-shaped spout, the periphery cover of big valve rod lower part is equipped with big valve rod sealing washer to be used for with discharge gate sealing connection, the periphery cover of little valve rod lower part is equipped with little valve rod sealing washer for with bell mouth sealing connection.
Preferably, bellows seal two-stage flow rate distribution valve is still including locating the support guide holder in the valve body, it is fixed in to support the guide holder big valve rod upper end, the lower part of supporting the guide holder is close to in the valve body inner wall, little valve rod runs through support the guide holder.
Preferably, the bellows sealed two-stage flow rate distribution valve further comprises a lower spring sleeved outside the small valve rod, the upper end of the lower spring abuts against the outer side of the small valve rod, and the lower end of the lower spring abuts against the upper end of the support guide seat.
Preferably, the inner side of the discharge hole is provided with a conical surface which is convenient to abut against the large valve rod sealing ring.
Preferably, a cleaning joint communicated to the inside of the discharging port is arranged outside the lower end of the valve body.
Compared with the prior art, among the bellows seal two-stage velocity of flow distribution valve, can be used for UV printing ink and can not receive the distribution and the high accuracy calculation of shearing force liquid, have the two-stage and adjust, flow control is nimble, and control accuracy is high, and the ejection of compact is steady, adjusts smoothly, prevents to deposit.
For a better understanding and an implementation, the present invention is described in detail below with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic view of an overall structure of an embodiment of the present invention.
Reference numerals are as follows: 1. a two-stroke cylinder; 2. a cylinder connecting sleeve; 3. connecting rods; 4. a small valve stem; 5. a sliding sleeve; 6. a spring pressing seat; 7. a valve body upper pressing seat; 8. a valve body; 9. a bellows; 10. an upper spring; 11. a lower spring; 12. a support guide seat; 13. a discharge port; 14. a large valve stem; 15. cleaning the joint; 16. a large valve rod sealing ring; 17. a small valve stem seal ring; 18. a lower elastic pin; 19. an upper elastic pin; 20. a cylindrical pin; 21. a feeding port; 22. a circulation port; 23. a tapered hole; 24. a conical surface.
Detailed Description
The directional terms upper, lower, left, right, front, rear, front, back, top, bottom, etc. referred to or which may be referred to in this specification are defined relative to their construction and are relative concepts. Therefore, it may be changed according to different positions and different use states. Therefore, these and other directional terms should not be construed as limiting terms.
The implementations described in the exemplary embodiments below do not represent all implementations consistent with the present disclosure. Rather, they are merely examples of implementations consistent with certain aspects of the present disclosure.
The terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in this disclosure, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
As shown in fig. 1, the utility model relates to a bellows seal two-stage velocity of flow distribution valve, including cylinder, valve body 8, valve rod, upper spring 10 to and bellows 9, pan feeding mouth 21 in the intercommunication valve body 8 has been seted up to the valve body 8 side, discharge gate 13 has been seted up to the valve body 8 lower extreme, the valve rod penetrates in the valve body 8 from the valve body 8 upper end, the lower extreme of valve rod passes through the sealing washer and realizes the sealing connection with discharge gate 13, bellows 9 is located the valve body 8, and the cover is located outside the valve rod, the fixed and sealing connection of inner wall of the upper end of bellows 9 and the valve body 8 upper end, outside the lower extreme of bellows 9 is fixed in the valve rod, and with valve rod periphery sealing connection, specifically, the lower extreme of bellows 9 is fixed in on the valve rod through last elasticity pin 19, and the inboard of bellows 9 lower extreme passes through the sealing washer and is connected in the valve rod external seal, the upper spring 10 circle is located outside the valve rod, and is located bellows 9, and the upper end butt of upper spring 10 is in valve body 8 upper end, and upper spring 10, and upper end butt of upper spring is in bellows 9, and upper spring 10 is in the lower extreme of bellows 9, and the lower extreme butt of upper spring 10, and the lower extreme is used for driving valve rod along 8 axial displacement.
The utility model discloses in, the fixed and sealing connection of inner wall of the upper end of bellows 9 and 8 upper ends of valve body, and then can avoid letting the UV printing ink that flows in the valve body 8 or can not receive the liquid of shear force to form hard cured object between valve rod and 8 junctions of valve body, ensured the normal motion of valve rod, avoid appearing the valve and be difficult to open or close the not tight condition, simultaneously, because bellows 9 has scalability, and then set up the linear motion that bellows 9 can not obstruct the valve rod.
The two-stage flow rate distribution valve with the corrugated pipe seal further comprises a valve body upper pressure seat 7 and a spring pressure seat 6, the lower portion of the valve body upper pressure seat 7 extends into the valve body 8 from the upper end of the valve body 8, the upper end of the valve body 8 is fixed to the upper end of the valve body in a threaded connection mode, the lower portion of the spring pressure seat 6 extends into the valve body upper pressure seat 7 from the upper end of the valve body upper pressure seat 7 in a threaded connection mode, the upper end of the valve body upper pressure seat 7 is fixed to the valve body in a threaded connection mode, a sliding sleeve 5 is arranged in the spring pressure seat 6, the valve rod penetrates through the spring pressure seat 6, the sliding sleeve 5 is arranged outside the valve rod, the upper end of the corrugated pipe 9 is fixedly connected with the inner side of the valve body upper pressure seat 7 in a sealing mode, and the upper end of the upper spring 10 is abutted to the lower end of the spring pressure seat 6.
Preferably, the end of the telescopic rod of the cylinder is coaxially fixed with the upper end of the valve rod through a connecting rod 3, specifically, the lower end of the telescopic rod of the cylinder is fixed with the connecting rod 3, the upper end of the valve rod is arranged in the connecting rod 3 in a penetrating manner and is fixed with the connecting rod 3 through a cylindrical pin 20, so that the telescopic rod of the cylinder can drive the valve rod to move.
The bellows seal two-stage flow velocity distribution valve further comprises a cylinder connecting sleeve 2, the cylinder is located above the valve body 8, the lower end of the cylinder is sleeved with the upper end of the cylinder connecting sleeve 2, the lower end of the cylinder connecting sleeve 2 is sleeved outside the spring pressing seat 6 to wrap the upper ends of the telescopic rod, the connecting rod 3 and the valve rod of the cylinder, and the connecting portion of the telescopic rod and the valve rod of the cylinder is protected.
In this embodiment, the side of valve body 8 has still seted up the circulation mouth 22 in the intercommunication valve body 8, and then solution can flow out from circulation mouth 22, and cooperation pan feeding mouth 21 forms the circulation in valve body 8 to let solution more even.
In this embodiment, the cylinder is two stroke cylinder 1, the valve rod includes little valve rod 4 and big valve rod 14, big valve rod 14 connect in 4 lower extremes of little valve rod, the bell mouth 23 that runs through both ends about it is seted up along the axial in the middle part of big valve rod 14, the lower extreme of little valve rod 4 penetrates in the bell mouth 23, the lower extreme of little valve rod 4 has run through down elastic column round pin 18 along the direction of perpendicular to axis, long strip-shaped chute has been seted up along the axial to big valve rod 14, and long strip-shaped chute runs through to the bell mouth 23 in, the tip of elastic column round pin 18 stretches into down in the long strip-shaped chute, the periphery cover of 14 lower parts of big valve rod is equipped with big valve rod sealing washer 16 for with discharge gate 13 sealing connection, the periphery cover of 4 lower parts of little valve rod is equipped with little valve rod sealing washer 17 for with bell mouth 23 sealing connection.
Bellows seal two-stage flow velocity distribution valve is still including locating the support guide holder 12 in the valve body 8, support guide holder 12 and be fixed in big valve rod 14 upper end, the lower part of supporting guide holder 12 is close to 8 inner walls of valve body, little valve rod 4 runs through support guide holder 12 to can play the effect of direction to little valve rod 4 through supporting guide holder 12, make the motion of little valve rod 4 lower extreme more stable.
The corrugated pipe sealed two-stage flow rate distribution valve further comprises a lower spring 11 sleeved outside the small valve rod 4, the upper end of the lower spring 11 abuts against the outer side of the small valve rod 4, namely the upper end of the lower spring 11 abuts against the lower end of the corrugated pipe 9, and the lower end of the lower spring 11 abuts against the upper end of the support guide seat 12 so as to play a role in buffering when the small valve rod 4 moves downwards.
In this embodiment, a conical surface 24 which is convenient to abut against the large valve stem sealing ring 16 is disposed on the inner side of the discharge port 13, so as to ensure that the large valve stem 14 is in sealing connection with the conical surface 24 of the discharge port 13 after descending to a preset height.
In this embodiment, a cleaning joint 15 communicating to the discharge port 13 is arranged outside the lower end of the valve body 8, so that the discharge port 13 can be cleaned conveniently.
The utility model discloses a bellows seal two-stage velocity of flow distribution valve's concrete theory of operation as follows:
under normal conditions, the valve is in a closed state, and the double-stroke cylinder 1 is in a fully extended state, that is, the large valve rod sealing ring 16 of the large valve rod 14 abuts against the conical surface 24 of the discharge port 13, and the small valve rod sealing ring 17 of the small valve rod 4 abuts against the inner wall of the conical hole 23, so that the valve is in the closed state;
when the double-stroke cylinder 1 moves upwards for a small stroke, the small valve rod 4 can be driven to move upwards for a small stroke, so that the small valve rod sealing ring 17 is separated from the inner wall of the tapered hole 23, meanwhile, the lower elastic pin 18 moves upwards along the strip-shaped sliding groove, the large valve rod 14 is kept still, and then the solution in the valve body 8 flows to the discharge hole 13 along the tapered hole 23, and the stage is a small flow stage;
when the double-stroke cylinder 1 continues to move upwards to be completely retracted, the small valve rod 4 is driven to continue to move upwards, the lower elastic pin 18 at the lower end of the small valve rod 4 moves to the topmost end of the elongated chute, then the large valve rod 14 is driven to move upwards, the large valve rod sealing ring 16 can be separated from the conical surface 24 of the discharge port 13, so that the solution can flow into the discharge port 13 from the space between the large valve rod 14 and the inner wall of the valve body 8, meanwhile, the solution can also flow into the discharge port 13 through the conical hole 23, and the stage is a large flow stage.
To sum up, for prior art, among the bellows seal two-stage velocity of flow distribution valve, can be used for UV printing ink and can not receive the distribution and the high accuracy calculation of shearing force liquid, have the two-stage and adjust, flow control is nimble, and control accuracy is high, and the ejection of compact is steady, adjusts smoothly, prevents to deposit.
The above-mentioned embodiments only represent several embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (10)
1. The utility model provides a bellows seal two-stage flow rate distribution valve which characterized in that: including cylinder, valve body, valve rod, upper spring to and the bellows, the pan feeding mouth in the intercommunication valve body has been seted up to the valve body side, the discharge gate has been seted up to the valve body lower extreme, the valve rod penetrates in the valve body from the valve body upper end, the lower extreme of valve rod passes through the sealing washer and realizes the sealing connection with the discharge gate, the bellows is located in the valve body, and outside the valve rod was located to the cover, the fixed and sealing connection of inner wall of the upper end of bellows and valve body upper end, outside the lower extreme of bellows was fixed in the valve rod, and with valve rod periphery sealing connection, go up the spring coil and locate outside the valve rod, and be located the bellows, the upper end butt of upper spring was in the valve body upper end, the lower extreme butt of upper spring in the bellows lower extreme, the cylinder is used for driving the valve rod along valve body axial displacement.
2. A bellows seal two-stage flow rate dispensing valve according to claim 1, wherein: the valve body upper pressure seat and the spring pressure seat are further included, the lower portion of the valve body upper pressure seat extends into the valve body from the upper end of the valve body and is fixed to the upper end of the valve body in a threaded connection mode, the lower portion of the spring pressure seat extends into the valve body upper pressure seat from the upper end of the valve body upper pressure seat in a threaded connection mode, the upper end of the valve body upper pressure seat is fixed to the upper end of the valve body upper pressure seat in a threaded connection mode, the valve rod penetrates through the spring pressure seat, the upper end of the corrugated pipe and the inner side of the valve body upper pressure seat are fixed and connected in a sealing mode, and the upper end of the upper spring is abutted to the lower end of the spring pressure seat.
3. A bellows seal two-stage flow rate dispensing valve according to claim 2, wherein: the end part of a telescopic rod of the cylinder is coaxially fixed with the upper end of the valve rod through a connecting rod.
4. A bellows seal two-stage flow rate dispensing valve according to claim 3, wherein: the spring pressing seat is characterized by further comprising a cylinder connecting sleeve, the cylinder is located above the valve body, the upper end of the cylinder connecting sleeve is sleeved at the lower end of the cylinder, and the lower end of the cylinder connecting sleeve is sleeved outside the spring pressing seat.
5. A bellows seal two-stage flow rate dispensing valve according to claim 1, wherein: and the side surface of the valve body is also provided with a circulating port communicated with the inside of the valve body.
6. A bellows seal two-stage flow rate dispensing valve according to claim 1, wherein: the cylinder is the double-stroke cylinder, the valve rod includes little valve rod and big valve rod, big valve rod connect in little valve rod lower extreme, the bell mouth at both ends about running through is seted up along the axial at the middle part of big valve rod, the lower extreme of little valve rod penetrates in the bell mouth, the lower extreme of little valve rod runs through along the direction of perpendicular to axis has lower elasticity pin, long strip-shaped spout has been seted up along the axial to big valve rod, and long strip-shaped spout runs through to the bell mouth in, the tip of elasticity pin stretches into down in the long strip-shaped spout, the periphery cover of big valve rod lower part is equipped with big valve rod sealing washer for with discharge gate sealing connection, the periphery cover of little valve rod lower part is equipped with little valve rod sealing washer for with bell mouth sealing connection.
7. The bellows seal two-stage flow rate dispensing valve of claim 6, wherein: still including locating the support guide holder in the valve body, it is fixed in to support the guide holder big valve rod upper end, the lower part of supporting the guide holder is close to in the valve body inner wall, little valve rod runs through support the guide holder.
8. The bellows seal two-stage flow rate dispensing valve of claim 7, wherein: the lower spring is sleeved outside the small valve rod, the upper end of the lower spring is abutted to the outer side of the small valve rod, and the lower end of the lower spring is abutted to the upper end of the support guide seat.
9. The bellows seal two-stage flow rate dispensing valve of claim 6, wherein: the inner side of the discharge port is provided with a conical surface which is convenient to abut against the large valve rod sealing ring.
10. A bellows seal two-stage flow rate dispensing valve as claimed in claim 1, wherein: and a cleaning joint communicated to the inside of the discharge port is arranged outside the lower end of the valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221790822.0U CN217784289U (en) | 2022-07-12 | 2022-07-12 | Corrugated pipe sealing two-stage flow velocity distribution valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221790822.0U CN217784289U (en) | 2022-07-12 | 2022-07-12 | Corrugated pipe sealing two-stage flow velocity distribution valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217784289U true CN217784289U (en) | 2022-11-11 |
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ID=83938071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221790822.0U Active CN217784289U (en) | 2022-07-12 | 2022-07-12 | Corrugated pipe sealing two-stage flow velocity distribution valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217784289U (en) |
-
2022
- 2022-07-12 CN CN202221790822.0U patent/CN217784289U/en active Active
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