CN215865342U - Novel adjustable venturi - Google Patents
Novel adjustable venturi Download PDFInfo
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- CN215865342U CN215865342U CN202122197457.4U CN202122197457U CN215865342U CN 215865342 U CN215865342 U CN 215865342U CN 202122197457 U CN202122197457 U CN 202122197457U CN 215865342 U CN215865342 U CN 215865342U
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Abstract
The utility model discloses a novel adjustable Venturi tube, which comprises a tube body, wherein the tube body comprises an inlet section, a contraction section, a throat section and a diffusion section which are sequentially connected, the throat section comprises a stainless steel snakeskin tube, a rubber inner layer is fixedly arranged on the inner surface of the stainless steel snakeskin tube, and a rubber outer layer is fixedly arranged on the outer surface of the stainless steel snakeskin tube; the inlet section is internally provided with a valve clack for adjusting flow, a valve rod through hole is arranged at a position, right above the valve clack, of the inlet section, a valve rod penetrates through the valve rod through hole, the lower end of the valve rod is fixedly connected with the upper end of the valve clack, and at least one sealing ring is arranged between the valve rod and the inner wall surface of the valve rod through hole; the thickness of the inner rubber layer is 0.1-0.5 mm, and the thickness of the outer rubber layer is 0.3-1.5 mm. Above-mentioned technical scheme, structural design is reasonable, convenient to use, can adjust flow, throat portion can be crooked and the practicality is good.
Description
Technical Field
The utility model relates to the technical field of Venturi tubes, in particular to a novel adjustable Venturi tube.
Background
The Venturi tube is a device for measuring the fluid pressure difference, the pressure difference between the inlet section and the minimum section of the Venturi tube is measured according to a pipeline which is contracted firstly and then gradually expanded, the flow can be calculated by using the Bernoulli theorem, and the Venturi tube is divided into four parts which are sequentially composed of an inlet section, a contraction section, a throat and a diffusion section; however, the conventional venturi tube has disadvantages: the structure sets up unreasonablely, can't be intraductal adjusts material flow, and unable crooked venturi uses inconveniently, can't satisfy the diversified demand of enterprise.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a novel adjustable Venturi tube which is reasonable in structural design, convenient to use, capable of adjusting flow, capable of bending a throat part and good in practicability.
In order to achieve the purpose, the utility model provides the following technical scheme: a novel adjustable Venturi tube comprises a tube body, wherein the tube body comprises an inlet section, a contraction section, a throat section and a diffusion section which are sequentially connected, the throat section comprises a stainless steel snakeskin tube, a rubber inner layer is fixedly arranged on the inner surface of the stainless steel snakeskin tube, and a rubber outer layer is fixedly arranged on the outer surface of the stainless steel snakeskin tube; the inlet section is internally provided with a valve clack for adjusting flow, a valve rod through hole is arranged at a position, right above the valve clack, of the inlet section, a valve rod penetrates through the valve rod through hole, the lower end of the valve rod is fixedly connected with the upper end of the valve clack, and at least one sealing ring is arranged between the valve rod and the inner wall surface of the valve rod through hole; the thickness of the inner rubber layer is 0.1-0.5 mm, and the thickness of the outer rubber layer is 0.3-1.5 mm.
The utility model is further configured to: the middle part of the valve clack is transversely provided with a medium through hole, the bottom of the valve clack is integrally provided with a positioning shaft, the inner wall surface of the inlet section of the pipe body is provided with a shaft positioning groove aligned to the positioning shaft, and the lower end of the positioning shaft is inserted into the shaft positioning groove.
The utility model is further configured to: the valve clack and the valve rod are made of stainless steel materials, and a handle is integrally arranged at the upper end of the valve rod.
The utility model is further configured to: the sealing ring is made of polytetrafluoroethylene materials, an annular groove is formed in the inner wall surface of the valve rod through hole, and the sealing ring is arranged in the annular groove.
The utility model is further configured to: the inlet section, the contraction section and the diffusion section are all made of stainless steel materials, the left end of the stainless steel flexible pipe is fixedly welded with the right end of the contraction section, and the right end of the stainless steel flexible pipe is fixedly welded with the left end of the diffusion section.
The utility model is further configured to: the left end of the inlet section is integrally provided with a first connecting flange, the right end of the diffusion section is integrally provided with a second connecting flange, and a plurality of bolt connecting holes are formed in the first connecting flange and the second connecting flange.
The utility model has the advantages that: compared with the prior art, the structure of the utility model is more reasonable, the throat section of the pipe body adopts the structure of the stainless steel snakeskin pipe, the pipe body can be bent, the operation is convenient for changing the angle of the diffusion section, the rubber inner layer is fixedly arranged on the inner surface of the stainless steel snakeskin pipe, the rubber outer layer is fixedly arranged on the outer surface of the stainless steel snakeskin pipe, the stainless steel snakeskin pipe is effectively prevented from water leakage, and the service life can be prolonged; be provided with a valve clack that is used for adjusting flow in the entrance, it is rotatory through valve rod control valve clack to adjust the flow of medium in the entrance, it is very convenient to use, has satisfied enterprise's diversified requirement, and structural design is reasonable, convenient to use, can adjust flow, throat portion can be crooked and the practicality is good.
The utility model is further described with reference to the drawings and the specific embodiments in the following description.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a throat section according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a stainless steel bellows tube according to an embodiment of the present invention;
FIG. 4 is a schematic view of the assembly of the inlet section and the valve flap according to an embodiment of the present invention.
Detailed Description
In the description of the present embodiment, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", etc. appear, their indicated orientations or positional relationships are based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1, 2, 3 and 4, the novel adjustable venturi tube disclosed by the utility model comprises a tube body, wherein the tube body comprises an inlet section 1, a contraction section 2, a throat section 3 and a diffusion section 4 which are sequentially connected, the throat section 3 comprises a stainless steel snakeskin tube 31, a rubber inner layer 32 is fixedly arranged on the inner surface of the stainless steel snakeskin tube 31, and a rubber outer layer 33 is fixedly arranged on the outer surface of the stainless steel snakeskin tube 31; a valve clack 5 used for adjusting flow is arranged in the inlet section 1, a valve rod through hole 11 is arranged at a position, located right above the valve clack 5, of the inlet section 1, a valve rod 6 penetrates through the valve rod through hole 11, the lower end of the valve rod 6 is fixedly connected with the upper end of the valve clack 5, and at least one sealing ring 7 is arranged between the valve rod 6 and the inner wall surface of the valve rod through hole 11; the thickness of the inner rubber layer 32 is 0.1-0.5 mm, and the thickness of the outer rubber layer 33 is 0.3-1.5 mm.
Preferably, the stainless steel flexible pipe 31, the rubber inner layer 32 and the rubber outer layer 33 form an integral structure after being bonded and fixed; the upper end of the valve rod 6 is exposed out of the upper port of the valve rod through hole 11.
In order to make the structure of the present invention more reasonable, preferably, the middle of the valve flap 5 of the present embodiment is transversely provided with a medium through hole 51, the bottom of the valve flap 5 is integrally provided with a positioning shaft 52, the inner wall surface of the inlet section 1 of the pipe body is provided with a shaft positioning groove 12 aligned with the positioning shaft 52, and the lower end of the positioning shaft 52 is inserted into the shaft positioning groove 12.
The valve clack 5 and the valve rod 6 are both made of stainless steel materials, and a handle 61 is integrally arranged at the upper end of the valve rod 6. Preferably, the lower end of the valve rod 6 and the upper end of the valve clack 5 are fixed by welding, and the bottom of the valve clack 5 and the upper end of the positioning shaft 52 form an integral structure by welding; the handle 61 of the valve rod 6 is provided with a valve rod rotation preventing part in a penetrating mode, the valve rod rotation preventing part can adopt an existing limiting bolt or an existing limiting assembly, a screw hole is formed in the position, aligned to the limiting bolt or the limiting assembly, of the outer surface of the inlet section 1, the screw hole is a blind hole, and the screw hole is in threaded connection with the screw hole in the outer surface of the inlet section 1 through the limiting bolt or the limiting assembly.
The sealing ring 7 is made of polytetrafluoroethylene materials, an annular groove is formed in the inner wall surface of the valve rod through hole 11, and the sealing ring 7 is arranged in the annular groove.
The inlet section 1, the contraction section 2 and the diffusion section 4 are all made of stainless steel materials, the left end of the stainless steel flexible pipe 31 is fixedly welded with the right end of the contraction section 2, and the right end of the stainless steel flexible pipe 31 is fixedly welded with the left end of the diffusion section 4.
The left end of the inlet section 1 is integrally provided with a first connecting flange 13, the right end of the diffusion section 4 is integrally provided with a second connecting flange 41, and the first connecting flange 13 and the second connecting flange 41 are both provided with a plurality of bolt connecting holes.
In practical application, the throat section of the pipe body adopts a stainless steel snakelike leather pipe structure, can be bent, the operation is convenient for changing the angle of the diffusion section, a rubber inner layer is fixedly arranged on the inner surface of the stainless steel snakelike leather pipe, and a rubber outer layer is fixedly arranged on the outer surface of the stainless steel snakelike leather pipe, so that the stainless steel snakelike leather pipe is effectively prevented from water leakage, and the service life can be prolonged; be provided with a valve clack that is used for adjusting flow in the entrance, it is rotatory through valve rod control valve clack to adjust the flow of medium in the entrance, it is very convenient to use, has satisfied enterprise's diversified requirement, and structural design is reasonable, convenient to use, can adjust flow, throat portion can be crooked and the practicality is good.
The above embodiments are only for further illustration of the present invention, and should not be construed as limiting the scope of the present invention, and the technical engineers in the art can make insubstantial modifications and adaptations of the present invention based on the above disclosure and disclosure of the utility model.
Claims (6)
1. The utility model provides a novel adjustable venturi, includes the body, the body is including the entry section (1), contraction section (2), choke section (3) and diffuser section (4) that connect gradually, its characterized in that: the throat pipe section (3) comprises a stainless steel snakeskin pipe (31), a rubber inner layer (32) is fixedly arranged on the inner surface of the stainless steel snakeskin pipe (31), and a rubber outer layer (33) is fixedly arranged on the outer surface of the stainless steel snakeskin pipe (31); a valve clack (5) used for adjusting flow is arranged in the inlet section (1), a valve rod through hole (11) is arranged in the position, located right above the valve clack (5), of the inlet section (1), a valve rod (6) penetrates through the valve rod through hole (11), the lower end of the valve rod (6) is fixedly connected with the upper end of the valve clack (5), and at least one sealing ring (7) is arranged between the valve rod (6) and the inner wall surface of the valve rod through hole (11); the thickness of the rubber inner layer (32) is 0.1-0.5 mm, and the thickness of the rubber outer layer (33) is 0.3-1.5 mm.
2. The novel adjustable venturi of claim 1, wherein: the middle part of the valve clack (5) is transversely provided with a medium through hole (51), the bottom of the valve clack (5) is integrally provided with a positioning shaft (52), the inner wall surface of the inlet section (1) of the pipe body is provided with a shaft positioning groove (12) in a position aligned with the positioning shaft (52), and the lower end of the positioning shaft (52) is inserted into the shaft positioning groove (12).
3. The novel adjustable venturi of claim 2, wherein: the valve clack (5) and the valve rod (6) are both made of stainless steel materials, and a handle (61) is integrally arranged at the upper end of the valve rod (6).
4. The novel adjustable venturi of claim 3, wherein: the sealing ring (7) is made of polytetrafluoroethylene materials, an annular groove is formed in the inner wall surface of the valve rod through hole (11), and the sealing ring (7) is arranged in the annular groove.
5. The new adjustable venturi according to claim 1 or 4, wherein: the inlet section (1), the contraction section (2) and the diffusion section (4) are made of stainless steel materials, the left end of the stainless steel flexible pipe (31) is welded and fixed with the right end of the contraction section (2), and the right end of the stainless steel flexible pipe (31) is welded and fixed with the left end of the diffusion section (4).
6. The new adjustable venturi according to claim 1 or 4, wherein: the inlet section (1) left end an organic whole is provided with first flange (13), and diffuser section (4) right-hand member an organic whole is provided with second flange (41), all be provided with a plurality of bolted connection holes on first flange (13) and second flange (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122197457.4U CN215865342U (en) | 2021-09-10 | 2021-09-10 | Novel adjustable venturi |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122197457.4U CN215865342U (en) | 2021-09-10 | 2021-09-10 | Novel adjustable venturi |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215865342U true CN215865342U (en) | 2022-02-18 |
Family
ID=80258570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122197457.4U Active CN215865342U (en) | 2021-09-10 | 2021-09-10 | Novel adjustable venturi |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215865342U (en) |
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2021
- 2021-09-10 CN CN202122197457.4U patent/CN215865342U/en active Active
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