CN217177500U - Pipe clamping piece and test pipe clamping valve - Google Patents
Pipe clamping piece and test pipe clamping valve Download PDFInfo
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- CN217177500U CN217177500U CN202220119071.3U CN202220119071U CN217177500U CN 217177500 U CN217177500 U CN 217177500U CN 202220119071 U CN202220119071 U CN 202220119071U CN 217177500 U CN217177500 U CN 217177500U
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Abstract
The utility model provides a press from both sides pipe fitting and experimental pipe clamp valve belongs to pipe clamp valve technical field. The pipe clamping piece comprises a connecting ring, at least three elastic clamping jaws and a bearing and pushing piece, and the connecting ring is sleeved outside the rubber pipe; the rubber tube clamping device comprises a rubber tube, at least three elastic clamping jaws, a connecting ring and a connecting rod, wherein the rubber tube is arranged on the periphery of the rubber tube; the pushing piece is arranged on the connecting ring or the elastic clamping jaw. The test tube pinch valve comprises a taper sleeve, a rubber tube, the tube pinch piece, an extrusion mechanism and an outer through tube, wherein a taper cavity is arranged in the taper sleeve; the rubber tube is positioned in the taper sleeve and penetrates through the taper cavity; the pipe clamping piece is at least partially positioned in the conical cavity and sleeved on the rubber pipe, and the elastic clamping jaw of the pipe clamping piece is matched with the side wall of the conical cavity; the extrusion mechanism is connected with the taper sleeve; the outer through pipe passes through the extrusion mechanism and is communicated with the rubber pipe. The utility model discloses can make the shape change of rubber tube more even, the velocity of flow in the control duct of being more convenient for.
Description
Technical Field
The utility model belongs to the technical field of the pipe clamp valve, more specifically say, relate to a press from both sides pipe fitting and experimental pipe clamp valve.
Background
The pipe clamping valve is also called as a pipe clamping valve and a rubber pipe valve and comprises an upper valve body, a lower valve body, a rubber pipe sleeve, a valve rod, a flashboard, an upper guide pillar, a lower guide pillar and the like. The principle is that a valve rod flashboard is utilized to flatten a rubber pipe sleeve in a valve until liquid can not pass through. When the valve is used, the hand wheel is rotated clockwise, so that the valve rod drives the flashboard to compress the pipe sleeve, and the pipe sleeve is closed, otherwise, the pipe sleeve is opened. However, since the pinch valve gradually crushes the circular rubber tube sleeve, the section of the rubber tube sleeve is irregular in the compression process, and thus the flow rate is extremely unevenly controlled.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a press from both sides pipe fitting and experimental pipe clamp valve to solve the inhomogeneous technical problem of control of current pipe clamp valve to the flow that exists among the prior art.
In order to achieve the above object, the utility model adopts the following technical scheme: the pipe clamping piece comprises a connecting ring I, at least three elastic clamping jaws and a thrust piece, wherein the connecting ring I is sleeved outside a rubber pipe; at least three elastic clamping jaws are arranged around the periphery of the rubber tube, one end of each elastic clamping jaw is connected with the connecting ring I, the other end of each elastic clamping jaw is used for extruding the rubber tube, and a gap is formed between every two adjacent elastic clamping jaws; the pushing piece is arranged on the connecting ring I or the elastic clamping jaw and used for receiving external pushing force so that the elastic clamping jaw is matched with the taper sleeve of the pipe clamp valve to extrude the rubber pipe.
In a possible implementation mode, one end of the elastic clamping jaw, which is far away from the first connecting ring, is provided with a pressure pipe body, and the pressure pipe body is provided with an inclined surface matched with the taper sleeve pipe.
In a possible implementation manner, the thrust piece and the pressure pipe body or the connecting ring I are of an integral structure, and the pressure pipe body or the connecting ring I is provided with a contact surface used for being matched with the extrusion mechanism of the pipe clamp valve.
In one possible implementation, the resilient clamping jaw is of resilient bar construction.
In one possible implementation, the number of the elastic clamping jaws is three or four, and each elastic clamping jaw is uniformly distributed on the periphery of the rubber tube.
In order to achieve the above object, the utility model adopts the following technical scheme: the test pipe clamping valve comprises a taper sleeve, a rubber pipe, the pipe clamping piece, an extrusion mechanism and an outer through pipe, wherein a taper cavity is arranged in the taper sleeve; the rubber tube is positioned in the taper sleeve and penetrates through the taper cavity; the pipe clamping piece is at least partially positioned in the conical cavity and sleeved on the rubber pipe, and the elastic clamping jaw of the pipe clamping piece is matched with the side wall of the conical cavity; the extrusion mechanism is connected with the taper sleeve and is used for extruding the pipe clamping piece so that the elastic clamping jaw of the pipe clamping piece clamps the rubber pipe; the outer through pipe passes through the extrusion mechanism and is communicated with the rubber pipe.
In a possible implementation mode, a compression ring is arranged at one end, located in the taper sleeve, of the rubber pipe, the compression ring is connected with the rubber pipe in a sealing mode, the outer diameter of the compression ring is larger than that of the rubber pipe, and a first connecting ring and an outer through pipe of the pipe clamping piece are located on two sides of the compression ring respectively to clamp the compression ring.
In one possible implementation mode, the extrusion mechanism comprises an internal thread sleeve, a connecting assembly, an external thread barrel and a retainer ring, wherein the internal thread sleeve is connected with the taper sleeve and is provided with an internal thread hole for the rubber pipe or the external through pipe to pass through; the connecting component is sleeved outside the outer through pipe and fixedly connected with the outer through pipe; the external thread cylinder is sleeved outside the connecting component and is in running fit with the connecting component, the external thread cylinder penetrates through the internal thread sleeve, and the external part of the external thread cylinder is provided with an external thread matched with the internal thread hole; the retaining ring is established in one side that the double-layered pipe fitting was kept away from to the external screw thread section of thick bamboo, and keeps away from the one end butt that presss from both sides the pipe fitting with coupling assembling.
In one possible implementation mode, the connecting assembly comprises a rotary supporting cylinder and a connecting ring II, the rotary supporting cylinder is sleeved outside the outer through pipe, is in rotary fit with the outer threaded cylinder and is abutted against the check ring; and the connecting ring II is fixedly connected with the rotary supporting cylinder and the outer through pipe respectively and is abutted against the compression joint ring.
In one possible implementation mode, the internal thread sleeve is connected with the taper sleeve through a bolt, and the check ring is connected with the external thread cylinder through a screw; the outer end of the outer through pipe is provided with a flange; a bearing assembly is arranged between the rotary supporting cylinder and the external thread cylinder.
The utility model provides a press from both sides pipe fitting's beneficial effect lies in: compared with the prior art, the utility model discloses when using, with the clamp pipe fitting cover on the rubber tube to under the effect of outside thrust, make the elastic clamping jaw along the motion of the taper sleeve pipe's of pipe clamp valve inner wall, the elastic clamping jaw compresses the rubber tube gradually this moment, makes the rubber tube form the structure of plum blossom form cross-section, and after removing external pressure, the elastic clamping jaw is automatic kick-backs under the pressure effect of pipeline, can make the shape change of rubber tube more even like this, the velocity of flow in the control duct of being more convenient for.
The utility model provides a test tube presss from both sides valve's beneficial effect lies in: compared with the prior art, the utility model discloses when using, act on pressing from both sides the pipe fitting with external pressure through extrusion mechanism for press from both sides the pipe fitting and remove to the taper sleeve pipe, and tighten up under the restriction of taper sleeve pipe, press from both sides the tight structure that is plum blossom form cross-section with the rubber tube, can make the shape change of rubber tube more even like this, the velocity of flow in the control duct of being more convenient for.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic sectional view of a main view direction of a test pinch valve provided in an embodiment of the present invention;
fig. 2 is a schematic side view of a pipe clamping part of a test pipe clamping valve according to an embodiment of the present invention.
Wherein the reference numerals in the figures are as follows:
11. a connecting ring I; 12. an elastic clamping jaw; 13. pressing the pipe body;
20. a hose; 21. a crimp ring;
30. a taper sleeve pipe;
41. an internal thread sleeve; 42. an externally threaded barrel; 43. a retainer ring; 44. rotating the support cylinder; 45. a connecting ring II;
50. an outer communicating pipe; 51. and (4) a flange.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Now the utility model provides a press from both sides pipe fitting explains.
Referring to fig. 1 and fig. 2, a pipe clamping device according to a first embodiment of the present invention includes a first connecting ring 11, at least three elastic clamping jaws 12, and a pushing member, wherein the first connecting ring 11 is configured to be sleeved on an outer portion of a rubber pipe 20; at least three elastic clamping jaws 12 are arranged around the periphery of the rubber tube 20, one end of each elastic clamping jaw is connected with the connecting ring I11, the other end of each elastic clamping jaw is used for extruding the rubber tube 20, and a gap is formed between every two adjacent elastic clamping jaws 12, so that the extruded rubber tube 20 enters the gap to form a structure with a plum blossom-shaped section; the pushing element is arranged on the connecting ring I11 or the elastic clamping jaw 12 and used for receiving external pushing force, so that the elastic clamping jaw 12 is matched with the taper sleeve 30 of the pipe clamp valve to extrude the rubber pipe 20 until the rubber pipe 20 is closed.
Compared with the prior art, the pipe clamping piece provided by the embodiment is used, the pipe clamping piece is sleeved on the rubber pipe 20, under the action of external thrust, the elastic clamping jaw 12 moves along the inner wall of the taper sleeve 30 of the pipe clamping valve, the rubber pipe 20 is gradually compressed by the elastic clamping jaw 12 at the moment, the rubber pipe 20 is made to form a structure with a plum blossom-shaped cross section, after external pressure is removed, the elastic clamping jaw 12 automatically rebounds under the pressure action of a pipeline, so that the shape change of the rubber pipe is more uniform, and the flow speed in the pipeline is more conveniently controlled.
Further, referring to fig. 1 to fig. 2, the present invention provides a first embodiment, which comprises the following steps:
one end of the elastic clamping jaw 12, which is far away from the first connecting ring 11, is provided with a pressure pipe body 13, and the pressure pipe body 13 is provided with an inclined surface matched with the taper sleeve pipe 30.
The pressure pipe body 13 or the connecting ring 11 is provided with a contact surface matched with an extrusion mechanism of the pipe clamp valve.
The elastic clamping jaw 12 is of an elastic rod structure.
The number of the elastic clamping jaws 12 is three or four, and each elastic clamping jaw 12 is uniformly distributed on the periphery of the rubber tube 20.
Referring to fig. 1 and fig. 2, a test tube pinch valve according to a second embodiment of the present invention includes a taper sleeve 30, a rubber tube 20, the above-mentioned tube pinching member, an extruding mechanism, and an outer tube 50, wherein a tapered cavity is disposed inside the taper sleeve 30; the rubber tube 20 is positioned in the taper sleeve 30 and penetrates through the tapered cavity; the pipe clamping piece is at least partially positioned in the conical cavity and sleeved on the rubber pipe 20, and the elastic clamping jaw 12 of the pipe clamping piece is matched with the side wall of the conical cavity; the extruding mechanism is connected with the taper sleeve 30 and is used for extruding the pipe clamping piece so that the elastic clamping jaw 12 of the pipe clamping piece clamps the rubber pipe 20; the outer tube 50 passes through the squeezing mechanism and is in communication with the hose 20.
Compared with the prior art, the pipe clamping piece provided by the embodiment has the advantages that when the pipe clamping piece is used, the external pressure acts on the pipe clamping piece through the extrusion mechanism, the pipe clamping piece moves towards the taper sleeve pipe 30, the tightening is performed under the limitation of the taper sleeve pipe 30, the rubber pipe 20 is clamped and clamped into the structure with the plum blossom-shaped cross section, the shape change of the rubber pipe can be more uniform, and the flow speed in a pipeline can be more conveniently controlled.
In a possible implementation manner, a pressure connecting ring 21 is arranged at one end of the rubber hose 20, which is located in the taper sleeve 30, the pressure connecting ring 21 is connected with the rubber hose 20 in a sealing manner, the outer diameter of the pressure connecting ring 21 is larger than that of the rubber hose 20, and the connecting ring one 11 and the outer through pipe 50 of the pipe clamping piece are respectively located on two sides of the pressure connecting ring 21 to clamp the pressure connecting ring 21.
In a possible implementation manner, the extrusion mechanism comprises an internal thread sleeve 41, a connecting assembly, an external thread cylinder 42 and a retainer ring 43, wherein the internal thread sleeve 41 is connected with the taper sleeve 30 and is provided with an internal thread hole for the rubber pipe 20 or the outer through pipe 50 to pass through; the connecting assembly is sleeved outside the outer through pipe 50 and is fixedly connected with the outer through pipe 50; the external thread cylinder 42 is sleeved outside the connecting assembly and is in running fit with the connecting assembly, the external thread cylinder 42 penetrates through the internal thread sleeve 41, and external threads matched with the internal thread hole are arranged outside the internal thread cylinder; the retainer ring 43 is arranged on one side of the external thread cylinder 42 away from the pipe clamping piece and is abutted against one end of the connecting assembly away from the pipe clamping piece.
The external thread cylinder 42 drives the retainer ring 43 to press the connecting assembly and the outer through pipe 50 towards the direction of the taper sleeve 30 under the matching of the external thread and the internal thread hole, and further presses the rubber pipe 20 and the pipe clamping piece towards the direction of the taper sleeve 30 while pressing the connecting ring 21, so that the elastic clamping jaw 12 of the pipe clamping piece is tightened under the action of the taper sleeve 30, and the rubber pipe 20 is clamped until the rubber pipe 20 is closed.
In a possible implementation manner, the connecting assembly includes a rotary supporting cylinder 44 and a second connecting ring 45, the rotary supporting cylinder 44 is sleeved outside the outer through pipe 50, is in rotary fit with the outer threaded cylinder 42, and is abutted against the retaining ring 43; the second connecting ring 45 is fixedly connected with the rotary support cylinder 44 and the outer through pipe 50 respectively, and abuts against the pressure connecting ring 21.
In a possible implementation manner, the internal thread sleeve 41 is connected with the taper sleeve 30 through a bolt, and the retainer ring 43 is connected with the external thread cylinder 42 through a screw; the outer end of the outer through pipe 50 is provided with a flange to be connected with an external pipeline; a bearing assembly is provided between the rotary support cylinder 44 and the externally threaded cylinder 42.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A pipe clamp, comprising:
the connecting ring I (11) is sleeved outside the rubber tube (20);
at least three elastic clamping jaws (12) are arranged around the periphery of the rubber tube (20), one end of each elastic clamping jaw is connected with the connecting ring I (11), the other end of each elastic clamping jaw is used for extruding the rubber tube (20), and gaps are reserved between every two adjacent elastic clamping jaws (12);
and the pushing piece is arranged on the connecting ring I (11) or the elastic clamping jaw (12) and is used for receiving external pushing force so that the elastic clamping jaw (12) is matched with a taper sleeve (30) of the pipe clamp valve to extrude the rubber pipe (20).
2. A pipe clamping member as claimed in claim 1, wherein the ends of said resilient jaws (12) remote from said coupling ring (11) are provided with a pressure pipe body (13), said pressure pipe body (13) being provided with a bevel for engagement with said tapered sleeve (30).
3. A tube clamping member as defined in claim 2, wherein: the push piece and the pressure pipe body (13) or the connecting ring I (11) are of an integral structure, and a contact surface matched with an extrusion mechanism of the pipe clamp valve is arranged on the pressure pipe body (13) or the connecting ring I (11).
4. A plumbing member as recited in claim 1, wherein: the elastic clamping jaw (12) is of an elastic rod structure.
5. A plumbing member as recited in claim 1, wherein: the number of the elastic clamping jaws (12) is three or four, and each elastic clamping jaw (12) is uniformly distributed on the periphery of the rubber tube (20).
6. A test pinch valve, comprising:
the taper sleeve (30) is internally provided with a taper cavity;
the rubber tube (20) is positioned in the taper sleeve (30) and penetrates through the taper cavity;
the fitting of any of claims 1-5, at least partially located within the tapered cavity and fitted over the hose (20), and the resilient jaws (12) of the fitting engaging the sidewalls of the tapered cavity;
the extruding mechanism is connected with the taper sleeve (30) and is used for extruding the pipe clamping piece so that the elastic clamping jaw (12) of the pipe clamping piece clamps the rubber pipe (20);
and the outer through pipe (50) penetrates through the extrusion mechanism and is communicated with the rubber pipe (20).
7. The test pinch valve of claim 6, wherein: one end, located in the taper sleeve (30), of the rubber pipe (20) is provided with a pressure joint ring (21), the pressure joint ring (21) is connected with the rubber pipe (20) in a sealing mode, the outer diameter of the pressure joint ring (21) is larger than that of the rubber pipe (20), and a first connecting ring (11) and an outer through pipe (50) of the pipe clamping piece are located on two sides of the pressure joint ring (21) respectively to clamp the pressure joint ring (21).
8. The test pinch valve of claim 7, wherein the squeezing mechanism comprises:
the internal thread sleeve (41) is connected with the taper sleeve (30) and is provided with an internal thread hole for the rubber tube (20) or the outer through tube (50) to pass through;
the connecting assembly is sleeved outside the outer through pipe (50) and is fixedly connected with the outer through pipe (50);
the external thread cylinder (42) is sleeved outside the connecting assembly and is in running fit with the connecting assembly, the external thread cylinder (42) penetrates through the internal thread sleeve (41), and external threads matched with the internal thread hole are arranged outside the external thread cylinder;
and the retainer ring (43) is arranged on one side, far away from the pipe clamping piece, of the external thread cylinder (42) and is abutted against one end, far away from the pipe clamping piece, of the connecting assembly.
9. The test pinch valve of claim 8, wherein the connection assembly comprises:
the rotary supporting cylinder (44) is sleeved outside the outer through pipe (50), is in rotary fit with the outer thread cylinder (42), and is abutted against the retainer ring (43);
and the second connecting ring (45) is fixedly connected with the rotary supporting cylinder (44) and the outer through pipe (50) respectively and is abutted against the pressure connecting ring (21).
10. The test pinch valve of claim 9, wherein: the internal thread sleeve (41) is connected with the taper sleeve (30) through a bolt, and the retainer ring (43) is connected with the external thread cylinder (42) through a screw; the outer end of the outer through pipe (50) is provided with a flange; and a bearing assembly is arranged between the rotating support cylinder (44) and the external thread cylinder (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220119071.3U CN217177500U (en) | 2022-01-17 | 2022-01-17 | Pipe clamping piece and test pipe clamping valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220119071.3U CN217177500U (en) | 2022-01-17 | 2022-01-17 | Pipe clamping piece and test pipe clamping valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217177500U true CN217177500U (en) | 2022-08-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220119071.3U Active CN217177500U (en) | 2022-01-17 | 2022-01-17 | Pipe clamping piece and test pipe clamping valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN217177500U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114382915A (en) * | 2022-01-17 | 2022-04-22 | 石家庄金垦科技有限公司 | Pipe clamp valve |
-
2022
- 2022-01-17 CN CN202220119071.3U patent/CN217177500U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114382915A (en) * | 2022-01-17 | 2022-04-22 | 石家庄金垦科技有限公司 | Pipe clamp valve |
| CN114382915B (en) * | 2022-01-17 | 2024-04-19 | 石家庄金垦科技有限公司 | Pipe clamp valve |
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