CN219493125U - Adjustable tank bottom valve - Google Patents
Adjustable tank bottom valve Download PDFInfo
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- CN219493125U CN219493125U CN202223600232.XU CN202223600232U CN219493125U CN 219493125 U CN219493125 U CN 219493125U CN 202223600232 U CN202223600232 U CN 202223600232U CN 219493125 U CN219493125 U CN 219493125U
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- tank bottom
- rod
- valve
- adjusting
- piston rod
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Abstract
The utility model relates to the technical field of valve equipment, in particular to an adjustable tank bottom valve. The adjustable tank bottom valve includes: the valve body is provided with a liquid inlet and a liquid outlet; the diaphragm assembly comprises a diaphragm body and a valve rod, and the valve rod is suitable for driving the diaphragm body to deform under the action of driving force so as to realize the adjustment of the opening and closing states of the liquid inlet and the liquid outlet; and the adjusting assembly is connected with the valve rod. According to the adjustable tank bottom valve provided by the utility model, the valve rod can be driven by the adjusting component to move so as to deform the membrane body, and the deformation of the membrane body can be adjusted by adjusting the movement stroke of the valve rod. Compared with the mode of adopting an electric control valve positioner to control the flow, the adjustable tank bottom valve does not need to be provided with a matched control system, occupies small space, is low in cost and has the advantages of simplicity and convenience in operation.
Description
Technical Field
The utility model relates to the technical field of valve equipment, in particular to an adjustable tank bottom valve.
Background
The tank bottom valve is typically welded to the very bottom of the container so that the best draining, sampling, cleaning, sanitizing functions are achieved. In addition, the working medium can be well mixed according to various technological requirements in the operation process. In the biopharmaceutical fluid pipeline, the flow of the liquid in the pipeline is required to be regulated by a certain device according to the technological requirement, so that a device for regulating the flow rate is additionally arranged on the basis of a tank bottom valve.
In the prior art, an electric control valve positioner is added on a cylinder assembly to adjust the opening flow of a valve. But the cost of the electric control valve positioner is high, the electric control valve positioner can be realized only by a matched automatic control system, and the module occupies large space and the reserved space at the bottom of the storage tank needs to be increased.
Disclosure of Invention
Therefore, the utility model aims to overcome the defects that in the prior art, an electric control valve positioner is additionally arranged on a tank bottom valve for adjusting the flow rate, but the electric control valve positioner has high cost and large occupied space, thereby providing the adjustable tank bottom valve with low cost and small occupied space, and the flow rate of the tank bottom valve can be adjusted.
In order to solve the technical problems, the utility model provides an adjustable tank bottom valve, comprising:
the valve body is provided with a liquid inlet and a liquid outlet, the liquid inlet is suitable for being communicated with the outlet of the tank body, and the liquid outlet is suitable for being communicated with an external pipeline;
a diaphragm assembly, the diaphragm assembly comprising: the membrane body is arranged in a flow path between the liquid inlet and the liquid outlet; the valve rod is connected with the membrane body and is suitable for driving the membrane body to deform under the action of driving force so as to realize the adjustment of the opening and closing states of the liquid inlet and the liquid outlet;
the adjusting component is connected with the valve rod and is suitable for adjusting the deformation size of the membrane body.
Optionally, the device further comprises a driving assembly, wherein the driving assembly comprises a cylinder and a piston rod, the piston rod is connected with the valve rod, and the cylinder is suitable for driving the piston rod to move.
Optionally, the cylinder top is recessed inward to form a sliding cavity adapted to accommodate the piston rod, the piston rod is adapted to slide in the sliding cavity, and the adjusting assembly comprises:
the adjusting screw is arranged at one end of the sliding cavity, which is far away from the piston rod, and is suitable for adjusting the stroke length of the piston rod.
Optionally, the adjusting assembly further includes:
and the tightening nut is axially sleeved on the outer end face of the adjusting screw rod along the adjusting screw rod.
Optionally, the adjusting assembly further includes:
the sealing cover is sleeved on the adjusting screw rod;
and one end of the connecting seat is connected with the sliding cavity, and the other end of the connecting seat is connected with the sealing cover.
Optionally, a sealing ring is arranged at the joint of the sealing cover and the sliding cavity.
Optionally, the adjusting screw has seted up first through-hole along its axial, the adjusting component still includes:
the opening indicating rod is fixedly connected with one end of the piston rod, and the other end of the opening indicating rod penetrates through the first through hole and extends outwards from the first through hole.
Optionally, an indication scale is arranged at one end of the opening indication rod, which is close to the first through hole, along the axial direction of the opening indication rod.
Optionally, a second through hole is formed in one end, far away from the sliding cavity, of the sealing cover, and the opening indicating rod is suitable for penetrating through the second through hole and exposing out of the end face where the sealing cover is located.
Optionally, an air tap is arranged on the air cylinder, and the air tap is connected with the air cylinder.
The technical scheme of the utility model has the following advantages:
the utility model provides an adjustable tank bottom valve, which comprises a valve body, wherein the valve body is provided with a liquid inlet and a liquid outlet; the diaphragm assembly comprises a diaphragm body and a valve rod, and the valve rod is suitable for driving the diaphragm body to deform under the action of driving force so as to realize the adjustment of the opening and closing states of the liquid inlet and the liquid outlet; and the adjusting assembly is connected with the valve rod. The adjusting component can drive the valve rod to move so that the membrane body deforms, and the adjusting component can adjust the deformation of the membrane body by adjusting the movement stroke of the valve rod. Compared with the mode of adopting an electric control valve positioner to control the flow, the adjustable tank bottom valve does not need to be provided with a matched control system, occupies small space, is low in cost and has the advantages of simplicity and convenience in operation.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic cross-sectional view of a regulating tank bottom valve in an embodiment of the utility model;
FIG. 2 is a schematic diagram of a regulating tank bottom valve in accordance with an embodiment of the present utility model;
FIG. 3 is a schematic cross-sectional view of an adjustment assembly in an embodiment of the utility model;
FIG. 4 is a schematic cross-sectional view of an opening indicator stem in an embodiment of the present utility model;
reference numerals illustrate:
1. a valve body; 11. a liquid inlet; 12. a liquid outlet;
2. a diaphragm assembly; 21. a membrane body; 22. a valve stem;
3. an adjustment assembly; 31. adjusting a screw; 32. tightening the nut; 33. a cover; 34. a connecting seat; 35. a seal ring; 36. an opening indication rod;
4. a drive assembly; 41. a cylinder; 42. a piston rod; 43. an air tap;
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.
Example 1
Referring to fig. 1 to 4, the adjustable tank bottom valve provided in this embodiment includes:
the valve body 1 is provided with a liquid inlet 11 and a liquid outlet 12, the liquid inlet 11 is suitable for being communicated with the outlet of the tank body, and the liquid outlet 12 is suitable for being communicated with an external pipeline;
diaphragm assembly 2, diaphragm assembly 2 includes: a membrane body 21, wherein the membrane body 21 is arranged in a flow path between the liquid inlet 11 and the liquid outlet 12; the valve rod 22 is connected with the membrane body 21, and the valve rod 22 is suitable for driving the membrane body 21 to deform under the action of driving force so as to realize the adjustment of the opening and closing states of the liquid inlet 11 and the liquid outlet 12;
the adjusting component 3, the adjusting component 3 is connected with the valve rod 22, and the adjusting component 3 is suitable for adjusting the deformation size of the membrane body 21.
Specifically, the membrane 21 is made of an elastic, corrosion-resistant, impermeable material such as conventional rubber, plastic, or the like. So that the membrane 21 can deform under the pulling of the valve rod 22, and the liquid inlet 11 is communicated with the liquid outlet 12.
It is to be understood that the connection mode between the liquid inlet 11 and the tank outlet is not limited, and in this embodiment, the valve body 1 is fixedly connected to the tank outlet by using a flange, a sealing ring, and a fastener, and in other embodiments, the connection may be performed by using a welding and fixing method.
The adjustable tank bottom valve provided by the embodiment, the adjusting component 3 can drive the valve rod 22 to move so as to enable the membrane body 21 to deform, and the adjusting component 3 can adjust the deformation of the membrane body 21 by adjusting the movement stroke of the valve rod 22. Compared with the mode of adopting an electric control valve positioner to control the flow, the adjustable tank bottom valve does not need to be provided with a matched control system, occupies small space, is low in cost and has the advantages of simplicity and convenience in operation.
Further, the device also comprises a driving assembly 4, wherein the driving assembly 4 comprises a cylinder 41 and a piston rod 42, the piston rod 42 is connected with the valve rod 22, and the cylinder 41 is suitable for driving the piston rod 42 to move.
In detail, in the present embodiment, the cylinder 41 is used as a driving member, and the piston rod 42 is driven to move by connecting with the cylinder 41 through an external air pipe.
Further, the air tap 43 is disposed on the air cylinder 41, and the air tap 43 is connected with the air cylinder 41.
Specifically, the outside discharges the compressed gas in the cylinder 41 through the air tap 43, the piston rod 42 drives the valve rod 22 to drive the membrane 21 to move, a flow path between the liquid inlet 11 and the liquid outlet 12 is opened, the compressed gas in the cylinder 41 is discharged through the air tap 43, and the stroke of the piston rod 42, namely the deformation of the membrane 21, is controlled; when the adjustable tank bottom valve needs to be closed, compressed gas is supplied to the cylinder 41 through the air tap 43 from the outside, the driving piston rod 42 drives the valve rod 22 to drive the membrane 21 to move, and a flow path between the liquid inlet 11 and the liquid outlet 12 is gradually closed.
Further, the top of the cylinder 41 is recessed inwardly to form a sliding cavity adapted to receive the piston rod 42, the piston rod 42 being adapted to slide in the sliding cavity, the adjusting assembly 3 comprising:
the adjusting screw 31, the adjusting screw 31 is arranged at the end of the sliding cavity far away from the piston rod 42, the adjusting screw 31 is suitable for adjusting the stroke length of the piston rod 42.
It is easy to understand that one end of the piston rod 42 is connected with the valve rod 22, the end of the other end of the piston rod 42 slides in the sliding cavity, in this embodiment, the inner end surface of the sliding cavity is provided with threads, and the other end of the adjusting screw 31 is also provided with threads adapted to the adjusting screw, the adjusting screw 31 is in threaded connection with the sliding cavity, and the adjusting screw 31 can be adjusted in the sliding cavity by twisting the adjusting screw 31, that is, the moving stroke of the piston rod 42 is limited by the adjusting screw 31, that is, the deformation of the membrane 21 is adjusted, the adjustment of the flow path between the liquid inlet 11 and the liquid outlet 12 is realized, and the limitation of the flow velocity of the liquid outlet 12 is realized. Stepless adjustment can be realized by means of threaded connection.
Of course, in other embodiments, a clamping groove may be provided in the sliding cavity, and a clamping member may be added to limit the piston rod 42 by clamping the adjusting screw 31 at a specific position of the sliding cavity.
Further, a flat surface which is convenient for force application is arranged on the outer side end surface of the adjusting screw rod so as to facilitate twisting.
Further, the adjusting assembly 3 further includes:
the union nut 32 is tightly screwed, and the union nut 32 is axially sleeved on the outer end surface of the adjusting screw 31 along the adjusting screw 31.
In detail, the outer end surface of the adjusting screw 31 is provided with threads, the inner end surface of the tightening nut 32 is provided with threads matched with the threads, and the adjusting screw 31 can be limited by connecting the tightening nut 32 to the adjusting screw 31 through threads, so that the adjusting screw 31 is prevented from moving, and the piston rod 42 is prevented from being changed.
Further, the adjusting assembly 3 further includes:
the sealing cover 33 is sleeved on the adjusting screw 31;
and one end of the connecting seat 34 is connected with the sliding cavity, and the other end is connected with the sealing cover 33.
Specifically, the cover 33 is of a sleeve-shaped structure and is sleeved on the adjusting screw 31 to prevent the adjusting screw 31 from being polluted by the external environment.
Further, a sealing ring 35 is arranged at the joint of the sealing cover 33 and the sliding cavity.
In detail, the sealing ring 35 is added to prevent external pollution from entering the sliding cavity, so that the piston rod 42 is blocked, and the function of the adjusting screw 31 is limited.
Further, the adjusting screw 31 is provided with a first through hole along an axial direction thereof, and the adjusting assembly 3 further includes:
and an opening indicating rod 36, wherein one end of the opening indicating rod 36 is fixedly connected with the piston rod 42, and the other end penetrates through the first through hole and extends out of the first through hole.
In detail, the axis of the opening indicating rod 36 and the axis of the piston rod 42 are on the same horizontal line, the opening indicating rod 36 is an extension section of the piston rod 42, and for convenience in setting, the opening indicating rod 36 penetrates, and the first through hole of the adjusting screw 31 leaks out of the sliding cavity, so that the opening condition of the film body 21 can be visually seen.
Further, an end of the opening indicating lever 36 near the first through hole is provided with an indicating scale in the axial direction thereof.
Further, a second through hole is formed at an end of the cover 33 away from the sliding cavity, and the opening indicating rod 36 is adapted to pass through the second through hole Kong Wai and be exposed at an end face of the cover 33.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.
Claims (10)
1. A regulating tank bottom valve, comprising:
the valve body (1) is provided with a liquid inlet (11) and a liquid outlet (12), the liquid inlet (11) is suitable for being communicated with a tank outlet, and the liquid outlet (12) is suitable for being communicated with an external pipeline;
a diaphragm assembly (2), the diaphragm assembly (2) comprising: a membrane body (21), wherein the membrane body (21) is arranged in a flow path between the liquid inlet (11) and the liquid outlet (12); the valve rod (22), the valve rod (22) is connected with the membrane body (21), the valve rod (22) is suitable for driving the membrane body (21) to deform under the action of driving force, so as to realize the adjustment of the opening and closing states of the liquid inlet (11) and the liquid outlet (12);
the adjusting assembly (3), the adjusting assembly (3) is connected with the valve rod (22), and the adjusting assembly (3) is suitable for adjusting the deformation size of the membrane body (21).
2. The adjustable bottom-can valve of claim 1, further comprising a drive assembly (4), the drive assembly (4) comprising a cylinder (41) and a piston rod (42), the piston rod (42) being connected to the valve stem (22), the cylinder (41) being adapted to drive the piston rod (42) to move.
3. The adjustable tank bottom valve according to claim 2, wherein the top of the cylinder (41) is recessed inwardly forming a sliding cavity adapted to accommodate the piston rod (42), the piston rod (42) being adapted to slide in the sliding cavity, the adjustment assembly (3) comprising:
the adjusting screw (31) is arranged at one end of the sliding cavity, which is far away from the piston rod (42), and the adjusting screw (31) is suitable for adjusting the stroke length of the piston rod (42).
4. A regulating tank bottom valve according to claim 3, characterized in that the regulating assembly (3) further comprises:
and the tightening nut (32) is sleeved on the outer end face of the adjusting screw (31) along the axial direction of the adjusting screw (31).
5. The adjustable tank bottom valve according to claim 4, wherein the adjustment assembly (3) further comprises:
the sealing cover (33) is sleeved on the adjusting screw rod (31);
and one end of the connecting seat (34) is connected with the sliding cavity, and the other end of the connecting seat (34) is connected with the sealing cover (33).
6. The adjustable tank bottom valve according to claim 5, characterized in that a sealing ring (35) is provided at the junction of the cover (33) and the sliding chamber.
7. The adjustable tank bottom valve according to claim 6, wherein the adjusting screw (31) is provided with a first through hole along its axial direction, the adjusting assembly (3) further comprising:
and one end of the opening indicating rod (36) is fixedly connected with the piston rod (42), and the other end of the opening indicating rod penetrates through the first through hole and extends out of the first through hole.
8. The adjustable tank bottom valve according to claim 7, wherein an end of the opening degree indicating rod (36) near the first through hole is provided with an indicating scale along an axial direction thereof.
9. The adjustable tank bottom valve according to claim 8, wherein a second through hole is formed in an end of the cover (33) away from the sliding cavity, and the opening indicating rod (36) is adapted to be exposed to an end surface of the cover (33) through the second through hole.
10. A tank bottom valve according to claim 3, characterized in that the cylinder (41) is provided with a tap (43), the tap (43) being connected to the cylinder (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223600232.XU CN219493125U (en) | 2022-12-30 | 2022-12-30 | Adjustable tank bottom valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223600232.XU CN219493125U (en) | 2022-12-30 | 2022-12-30 | Adjustable tank bottom valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219493125U true CN219493125U (en) | 2023-08-08 |
Family
ID=87482510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223600232.XU Active CN219493125U (en) | 2022-12-30 | 2022-12-30 | Adjustable tank bottom valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219493125U (en) |
-
2022
- 2022-12-30 CN CN202223600232.XU patent/CN219493125U/en active Active
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