CN209838673U - Anticorrosive hose for peristaltic pump - Google Patents
Anticorrosive hose for peristaltic pump Download PDFInfo
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- CN209838673U CN209838673U CN201821987833.1U CN201821987833U CN209838673U CN 209838673 U CN209838673 U CN 209838673U CN 201821987833 U CN201821987833 U CN 201821987833U CN 209838673 U CN209838673 U CN 209838673U
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- peristaltic pump
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Abstract
The utility model provides an anti-corrosion hose for a peristaltic pump, which comprises two fixed joints, wherein the two fixed joints are connected with a rubber hose, the right ends of the fixed joints are provided with quick joint female heads, the fixed joints are made of stainless steel materials, and the inner walls of the fixed joints are provided with anti-corrosion layers; both ends of the rubber tube are connected with the male joint of the quick connector through the compression joint; the rubber tube is composed of a six-layer structure, and is sequentially provided with an outer rubber layer, a winding layer A, a winding layer B, a winding layer C, a winding layer D and an inner rubber layer from outside to inside; the winding layers are polyester dipped cord fabrics, wherein the winding layer A and the winding layer C are spirally wound in the left direction according to a balance angle; the winding layer B and the winding layer D are spirally wound in the right direction according to a balance angle. The utility model discloses rational in infrastructure, adopt curtain cloth cross winding, both can fully exert the reinforcing effect of framework material, can improve resistant flex fatigue performance again, prolonged the life of rubber tube, the continuous operation time of peristaltic pump is long.
Description
Technical Field
The utility model belongs to the technical field of the sample draws, a peristaltic pump is related to, in particular to peristaltic pump is with anticorrosive hose.
Background
The peristaltic pump is a kind of volumetric pump, also called hose pump, hose pump. The liquid to be delivered is called a peristaltic pump because it flows slowly and also flows forward in a pulsating manner, as if the reptile is moving forward by peristalsis. The peristaltic pump widely used at present is usually a mechanical peristaltic pump, as shown in fig. 1, mainly comprising a pump head, a motor 2 and a rubber tube 4, wherein the pump head comprises a rotor 3 and a pump shell, the pump shell comprises a lower supporting seat 1, a positioning block 5 and an upper supporting seat 6, the rubber tube 4 is arranged between the rotor 3 and the pump shell, and gas or liquid in the tube is pushed forwards by extruding the elastic rubber tube; the extrusion process is continuously carried out by utilizing the partial vacuum formed when the rubber tube is elastically recovered to suck the liquid or the gas behind the rubber tube, and the suction and the conveying of the liquid or the gas are continuously formed, so that the continuous pumping of the gas or the fluid is realized. The peristaltic pump has the advantages of small flow, single tube and adjustable flow, and the product has stable and reliable performance, so that the peristaltic pump is suitable for medical equipment, and is particularly suitable for sample extraction before medical detection.
The peristaltic pump has the following technical defects in use: 1) the rubber tube is inconvenient to disassemble and assemble, and the rubber tube is pressed on the clamping seat by the roller (or the jacking block) in a working state, so that the pressing state must be released when the rubber tube is replaced; when the rubber tube is restored to a compression state after being assembled, the size of the compression force must be controlled; 2) the service life of the rubber tube is short, the continuous working time of the peristaltic pump is short, the rubber tube is continuously extruded and recovered in the working process, the working condition is severe, and the service life of the rubber tube determines the continuous working time of the peristaltic pump; 3) the rubber tube and the rotor contact part work for a long time, the extrusion part gradually loses the back-to-air capacity, the pumping fluid material cannot be sucked, the clamping ends at the two ends of the rubber tube are not abraded and need to be integrally replaced, the material waste is caused, the cost is high, the clamping ends are installed again, and the installation is time-consuming.
How to design an anticorrosive hose for peristaltic pump, how to make the rubber tube rational in infrastructure and easy dismounting, how to prolong the life of rubber tube becomes the problem that the solution is badly needed.
Disclosure of Invention
In view of the above disadvantages of the prior art, the present invention provides an anti-corrosion hose for a peristaltic pump, which is used to solve the problem that the rubber tube is pressed onto the clamp seat by the roller (or the top block) in the working state of the peristaltic pump in use in the prior art, so that the pressing state must be released when the rubber tube is replaced; when the rubber tube is restored to a compression state after being assembled, the size of the compression force must be controlled, so that the rubber tube is inconvenient to assemble and disassemble; the rubber tube is continuously extruded and recovered in the working process, the working condition is severe, and the service life of the rubber tube determines the continuous working time of the peristaltic pump, so that the service life of the rubber tube is short, and the continuous working time of the peristaltic pump is short; the rubber tube and the contact part of the rotor work for a long time, the rubber tube gradually loses the back-to-the-air capacity after being extruded, the pumping fluid material cannot be sucked, the clamping ends at the two ends of the rubber tube are not abraded and need to be integrally replaced, the material waste is caused, the cost is high, the clamping ends are installed again, and the installation is time-consuming.
In order to achieve the above object, the utility model provides an anticorrosive hose for peristaltic pump, including fixed joint, its characterized in that: the two fixed joints are connected with the rubber pipe, the right ends of the fixed joints are provided with quick joint female heads, the fixed joints are made of stainless steel, and the inner wall of each fixed joint is provided with a corrosion-resistant layer;
the two ends of the rubber tube are connected with a quick connector male head through a crimping connector, and the quick connector male head is connected with a quick connector female head;
the rubber tube is composed of a six-layer structure, and is sequentially provided with an outer rubber layer, a winding layer A, a winding layer B, a winding layer C, a winding layer D and an inner rubber layer from outside to inside;
the winding layers are polyester dipped cord fabrics, wherein the winding layer A and the winding layer C are spirally wound in the left direction according to a balance angle; the winding layer B and the winding layer D are spirally wound in the right direction according to a balance angle; the cord fabric is adopted for cross winding, so that the reinforcing effect of the framework material can be fully exerted, and the flex fatigue resistance can be improved; the winding structure can utilize the performance of the framework material to the maximum extent and has the advantages of pressure resistance, flex fatigue resistance, elasticity and good impact resistance.
In an embodiment of the present invention, the corrosion-resistant layer of the fixed joint is made of fluorinated ethylene propylene, and has good weather resistance, ozone resistance, and excellent water resistance and chemical resistance.
In an embodiment of the present invention, the inner rubber layer is made of ethylene propylene diene monomer, and has excellent aging resistance such as ozone resistance, heat resistance, weather resistance, etc.
In an embodiment of the present invention, the outer rubber layer is made of natural rubber, and has the advantages of high elasticity and strength, small deformation, flex fatigue resistance and excellent wear resistance.
As mentioned above, the utility model discloses an anticorrosive hose for peristaltic pump, rational in infrastructure, easy dismounting and cost are reduced, adopt the cord fabric alternately winding, both can fully exert the reinforcing effect of framework material, can improve and resist the flex fatigue performance; the winding structure can utilize the performance of the framework material to the maximum extent, has the advantages of pressure resistance, flex fatigue resistance, good elasticity and impact resistance, prolongs the service life of the rubber tube, has long continuous working time of the peristaltic pump, and has good economic benefit and social benefit when being popularized and applied.
Drawings
Fig. 1 is a schematic view of a prior art peristaltic pump mounting structure.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is a schematic diagram of the internal structure of the rubber tube of the present invention.
In the figure: 1. a lower support seat; 2. a motor; 3. a roller set; 4. a hose; 5. positioning blocks; 6. an upper support base; 7. fixing the joint; 8. a female quick connector; 9. a quick connector male; 401. an outer adhesive layer; 402. a winding layer A; 403. a winding layer B; 404. a winding layer C; 405. a winding layer D; 406. and an inner glue layer.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
Please refer to fig. 1 to 3. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
As shown in fig. 2, the utility model provides an anticorrosive hose for peristaltic pump, including fixed joint 7, its characterized in that: the two fixed joints 7 are connected with the rubber pipe 4, the right ends of the fixed joints 7 are provided with quick joint female heads 8, the fixed joints 7 are made of stainless steel, and the inner wall of each fixed joint 7 is provided with a corrosion-resistant layer;
both ends of the rubber tube 4 are connected with a male joint 9 of a quick connector through a crimping joint; the crimping head is in spiral connection with a male head 9 of the quick connector, and the spiral connection is fine thread connection; the male end 9 of the quick connector is connected with the female end 8 of the quick connector;
as shown in fig. 3, the hose 4 is composed of a six-layer structure, and the hose 4 is sequentially provided with an outer adhesive layer 401, a winding layer a402, a winding layer B403, a winding layer C404, a winding layer D405, and an inner adhesive layer 406 from outside to inside;
the winding layers are polyester dipped cord fabrics, wherein the winding layer A402 and the winding layer C404 are spirally wound in the left direction according to a balance angle; the winding layer B403 and the winding layer D405 are spirally wound in the right direction according to a balance angle;
the corrosion-resistant layer of the fixed joint 7 is made of fluorinated ethylene propylene;
the inner rubber layer 406 is made of ethylene propylene diene monomer;
the outer rubber layer 401 is made of natural rubber.
In specific implementation, the female quick connector 8 and the male quick connector 9 are manufactured by adopting the ISO16028 standard and are matched for use; both ends of the rubber tube 4 are connected with the pressure joint and the rubber tube 4 in a pressure way through a hydraulic high-pressure tube withholding machine; the fixed joint 7 does not need to be disassembled during disassembly and assembly, the rubber tube 4 needs to be replaced through the quick joint, and the replacement is more convenient.
In summary, the utility model provides an anti-corrosion hose for peristaltic pump, which has reasonable structure, convenient assembly and disassembly and reduced cost, adopts the cord fabric to wind in a crossing way, not only can fully play the reinforcing function of the framework material, but also can improve the flex fatigue resistance; the winding structure can utilize the performance of the framework material to the maximum extent, has the advantages of pressure resistance, flex fatigue resistance, good elasticity and impact resistance, prolongs the service life of the rubber tube, and has long continuous working time of the peristaltic pump. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (4)
1. The utility model provides an anticorrosive hose for peristaltic pump, includes fixed joint (7), its characterized in that: the two fixed joints (7) are connected with the rubber pipe (4), the right ends of the fixed joints (7) are provided with quick joint female heads (8), the fixed joints (7) are made of stainless steel, and the inner wall of the pipe of the fixed joints (7) is provided with a corrosion-resistant layer;
both ends of the rubber tube (4) are connected with a quick connector male head (9) through a crimping connector, and the quick connector male head (9) is connected with a quick connector female head (8);
the rubber tube (4) is composed of a six-layer structure, and the rubber tube (4) is sequentially provided with an outer rubber layer (401), a winding layer A (402), a winding layer B (403), a winding layer C (404), a winding layer D (405) and an inner rubber layer (406) from outside to inside;
the winding layers are polyester dipped cord fabrics, wherein the winding layer A (402) and the winding layer C (404) are spirally wound in the left direction according to a balance angle; the winding layer B (403) and the winding layer D (405) are spirally wound in the right direction at a balanced angle.
2. The antiseptic hose for a peristaltic pump as set forth in claim 1, wherein: the corrosion-resistant layer of the fixed joint (7) is made of fluorinated ethylene propylene.
3. The antiseptic hose for a peristaltic pump as set forth in claim 1, wherein: the inner rubber layer (406) is made of ethylene propylene diene monomer.
4. The antiseptic hose for a peristaltic pump as set forth in claim 1, wherein: the outer rubber layer (401) is made of natural rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821987833.1U CN209838673U (en) | 2018-11-29 | 2018-11-29 | Anticorrosive hose for peristaltic pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821987833.1U CN209838673U (en) | 2018-11-29 | 2018-11-29 | Anticorrosive hose for peristaltic pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209838673U true CN209838673U (en) | 2019-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821987833.1U Active CN209838673U (en) | 2018-11-29 | 2018-11-29 | Anticorrosive hose for peristaltic pump |
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| Country | Link |
|---|---|
| CN (1) | CN209838673U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111765692A (en) * | 2020-07-01 | 2020-10-13 | 海信（山东）冰箱有限公司 | Refrigerator with a door |
-
2018
- 2018-11-29 CN CN201821987833.1U patent/CN209838673U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111765692A (en) * | 2020-07-01 | 2020-10-13 | 海信（山东）冰箱有限公司 | Refrigerator with a door |
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