CN201679696U - Peristaltic pump head - Google Patents
Peristaltic pump head Download PDFInfo
- Publication number
- CN201679696U CN201679696U CN2010202090495U CN201020209049U CN201679696U CN 201679696 U CN201679696 U CN 201679696U CN 2010202090495 U CN2010202090495 U CN 2010202090495U CN 201020209049 U CN201020209049 U CN 201020209049U CN 201679696 U CN201679696 U CN 201679696U
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- CN
- China
- Prior art keywords
- pump
- elastic
- cover
- peristaltic
- software
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a peristaltic pump head, which comprises a pump bottom, a pump cover, a multi-foot frame, a plurality of rolling posts and an elastic pump pipe. The rolling posts circumferentially and evenly distributed and supported by the multi-foot frame are concentrically arranged inside the pump cover, the elastic pump pipe entering and exiting the pump cover encircles around a pump pipe extruding band formed between the rolling posts and the inner wall of the pump cover, the pump bottom matches with the bottom of the pump cover, an annular boss of the pump bottom enters a port of the pump pipe extruding band, and soft O-shaped rings are respectively arranged on the port and at the bottom of the pump pipe extruding band for preventing the end surface of the annular boss and the pump cover from contacting with the elastic pump pipe. With the additionally arranged soft O-shaped rings isolating the contact of the end surface of the annular boss of the pump bottom with the elastic pump pipe from the contact of the bottom of the pump cover with the elastic pump pipe, the peristaltic pump head reduces friction force between the end surface of the annular boss of the pump bottom and the elastic pump pipe and friction force between the bottom of the pump cover and the elastic pump pipe, and reduces possibility of breaking of the elastic pump pipe, thereby achieving the purpose of prolonging the service life of a peristaltic pump.
Description
(1) technical field:
The utility model relates to a kind of pump apparatus, specifically is a kind of peristaltic pump pump head.
(2) background technique:
Peristaltic pump is a kind of fluid delivery system, and it is simple in structure, in the mode that fluid is carried in pipe fully, has effectively avoided pump itself to contact the back produced pollution with fluid, is widely used in biochemistry, pharmaceutical products and corrosive fluid and carries.Peristaltic pump also is applied to the liquid of dental treatment utensil usually and carries.Such peristaltic pump pump head mainly by at the bottom of the pump, pump cover, spider, roller (wheel) and elastic pump tubes form, the spider location equally distributed roller of circumference (wheel) in the pump cover, elastic pump tubes is surrounded in the pump line compressive zone that forms between roller (wheel) and the pump cover inwall, at the bottom of the pump with after pump cover cooperates, annular boss inner ring positioning roller (wheel) at the bottom of the pump, and the annular boss end face at the bottom of the pump enters in the pump line compressive zone.The output shaft of peristaltic pump pump head and motor is installed the back and is constituted peristaltic pump, and during peristaltic pump work, the several rollers of motor drives (wheel) roll, and roller (wheel) is continuously oppressed elastic pump tubes, liquid is pressed roller (wheel) sense of rotation carry.
As number of patent application is that 200720110093.9 Wriggling Pump Head just has above-mentioned similar structure.
This peristaltic pump pump head in use can the generating pump tracheal rupture situation, cause pump head to spill liquid and can't continue again to use.Research by analysis takes place to rub with hard material at the bottom of the pump when this problem occurring and mainly be the elastic pump tubes wriggling and breaks and cause, and the elastic pump tubes of changing multiple different materials still can't solve the problem that pump line breaks well.In addition, by changing the pump line mode of unlike material, existing peristaltic pump is improved, cost is higher, also is difficult to find suitable pump line material.
(3) model utility content:
The utility model purpose has provided a kind of simple in structure, can solve pump line splintering problem in the peristaltic pump using process well, and the peristaltic pump pump head than the long life is arranged.
Can realize the peristaltic pump pump head of above-mentioned purpose, comprise at the bottom of the pump, pump cover, spider, roller and elastic pump tubes, spider is arranged in the pump cover, a plurality of rollers support evenly distribution and concentric with pump cover of circumference by spider, remain with between roller and the pump cover inwall and form the pump line compressive zone at interval, elastic pump tubes is advanced from pump cover, outlet enters and derives, in pump cover, elastic pump tubes is surrounded on the pump line compressive zone, be matched with the pump cover bottom at the bottom of the pump, annular boss at the bottom of the pump enters pump line compressive zone port, different is in described pump line compressive zone port software O type circle to be set, software O type circle (arbitrarily soft material make) is isolated between the end face and elastic pump tubes of annular boss, and the end face that prevents annular boss contacts with elastic pump tubes and produces friction.
Solve that annular boss contacts with elastic pump tubes and the technological scheme that produces friction can also be that annular boss is made with soft material, as making with rubber material, and software O type circle can omit.
For further elastic pump tubes being carried out full protection, can also between pump line compressive zone bottom and elastic pump tubes, software O type circle be set.
Selected software O type circle should be complementary with the pump line compressive zone, and promptly the outside dimension of software O type circle is identical with the pump cover inner diameter, and the internal diameter of software O type circle is identical with the circle diameter that the roller cylindrical forms.
The cross section of saying described software O type circle in principle can have any shape, but is made generally in circle commonly used or oval or square or trapezoidal or triangle.
Described software O type circle is made with soft material, as making with (common) rubber material.
Described roller is decided to be three, and described spider is a tripod; Or described roller is more than three, and described spider has the foot rest corresponding with roller quantity.
The beneficial effects of the utility model:
The utility model peristaltic pump pump head is equipped with software O type circle, or the annular boss at the bottom of the pump is replaced by soft material, frictional force at the bottom of reducing pump, between pump cover and the elastic pump tubes lowers the chance that elastic pump tubes is broken, thereby reaches the purpose that prolongs the peristaltic pump operating life.
(4) description of drawings:
Fig. 1 is the STRUCTURE DECOMPOSITION schematic representation of a kind of mode of execution of the utility model.
Fig. 2 is the composite structure diagrammatic sketch of Fig. 1 mode of execution.
Figure number sign: 1, at the bottom of the pump; 2, pump cover; 3, spider; 4, roller; 5, software O type circle; 6, elastic pump tubes; 7, annular boss.
(5) embodiment:
The technological scheme of the utility model peristaltic pump pump head is described with the peristaltic pump of using on the dental treatment utensil.
The utility model peristaltic pump pump head mainly by at the bottom of the pump 1, pump cover 2, spider 3, roller 4 and elastic pump tubes 6 constitute, wherein spider 3 is a tripod, roller 4 is three, three rollers 4 are supported by tripod and evenly distribution on circumference, the assembly of tripod and roller 4 is installed in the circular pump cover 2, and the circumference of three roller 4 formation is concentric with pump cover 2; Leave at interval between three rollers 4 and pump cover 2 inwalls and form the pump line compressive zone, as shown in Figure 1 and Figure 2.
Offer the inlet/outlet of elastic pump tubes 6 on the pump cover 2, article one, elastic pump tubes 6 enters from the import of pump cover 2, derive from the outlet of pump cover 2 after being surrounded on the pump line compressive zone, 1 envelope is pressed on pump cover 2 bottoms at the bottom of the pump, 1 annular boss 7 inlay cards are gone into pump line compressive zone port at the bottom of the pump, the port of pump line compressive zone and bottom are equipped with the software O type circle 5 that a usefulness rubber material is made, and this software O type circle 5 is isolated the end face and the pump cover 2 of annular boss 7 with elastic pump tubes 6, as shown in Figure 1 and Figure 2.
As shown in Figure 1 and Figure 2, the external diameter of described software O type circle 5 equals the inner diameter of pump cover 2, and the internal diameter of software O type circle 5 equals the circle diameter that three roller 4 cylindricals form; The shape of cross section of described software O type circle 5 is circular.
The utility model peristaltic pump pump head also has another mode of execution, be between 1 annular boss 7 and the elastic pump tubes 6 software O type circle need not be set at the bottom of the pump, but annular boss 7 usefulness soft materials (as rubber) are made, reach equally and reduce at the bottom of elastic pump tubes 6 and the pump purpose of frictional force between 1.
Claims (9)
1. peristaltic pump pump head, comprise (1), pump cover (2) at the bottom of the pump, spider (3), roller (4) and elastic pump tubes (6), the equally distributed a plurality of rollers of circumference (4) are supported by spider (3) and are arranged at one heart in the pump cover (2), elastic pump tubes (6) into and out of pump cover (2) is surrounded on the pump line compressive zone that forms between roller (4) and pump cover (2) inwall, (1) is matched with pump cover (2) bottom at the bottom of the pump, the annular boss of (1) (7) enters pump line compressive zone port at the bottom of the pump, it is characterized in that: described annular boss (7) is made by soft material; Or described pump line compressive zone port is provided with end face and elastic pump tubes (6) the contacted software O type circle (5) that prevents annular boss (7).
2. peristaltic pump pump head according to claim 1 is characterized in that: described pump line compressive zone bottom also is provided with and prevents pump cover (2) and elastic pump tubes (6) contacted software O type circle (5).
3. peristaltic pump pump head according to claim 2, it is characterized in that: described software O type circle (5) is complementary with the pump line compressive zone, be the inner diameter that the external diameter of software O type circle (5) is matched with pump cover (2), the internal diameter of software O type circle (5) is matched with the circle diameter that roller (4) cylindrical forms.
4. according to any described peristaltic pump pump head in the claim 1～3, it is characterized in that: the shape of cross section of described software O type circle (5) is for circular or for oval or for square or for trapezoidal or be triangle.
5. according to any described peristaltic pump pump head in the claim 1～3, it is characterized in that: described software O type circle (5) is made with soft material.
6. peristaltic pump pump head according to claim 5 is characterized in that: described soft material is a rubber material.
7. according to any described peristaltic pump pump head in the claim 1～3, it is characterized in that: described roller (4) is three, and described spider (3) is a tripod.
8. according to any described peristaltic pump pump head in the claim 1～3, it is characterized in that: described roller (4) is more than three, and described spider (3) has and the corresponding foot rest of roller (4) quantity.
9. according to the peristaltic pump pump head described in any in the claim 1～3, it is characterized in that: described annular boss (7) is made with rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202090495U CN201679696U (en) | 2010-05-28 | 2010-05-28 | Peristaltic pump head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202090495U CN201679696U (en) | 2010-05-28 | 2010-05-28 | Peristaltic pump head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201679696U true CN201679696U (en) | 2010-12-22 |
Family
ID=43344740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202090495U Expired - Fee Related CN201679696U (en) | 2010-05-28 | 2010-05-28 | Peristaltic pump head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201679696U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102338070A (en) * | 2011-09-21 | 2012-02-01 | 上海永创医疗器械有限公司 | Clamp-joint-type peristaltic pump |
| CN114992100A (en) * | 2022-06-29 | 2022-09-02 | 重庆山外山血液净化技术股份有限公司 | Peristaltic pump capable of automatically disassembling and assembling pump pipe |
| CN115025376A (en) * | 2022-04-24 | 2022-09-09 | 中山大学附属第三医院 | Cerebrospinal fluid immunoadsorption device and control method |
-
2010
- 2010-05-28 CN CN2010202090495U patent/CN201679696U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102338070A (en) * | 2011-09-21 | 2012-02-01 | 上海永创医疗器械有限公司 | Clamp-joint-type peristaltic pump |
| CN115025376A (en) * | 2022-04-24 | 2022-09-09 | 中山大学附属第三医院 | Cerebrospinal fluid immunoadsorption device and control method |
| CN115025376B (en) * | 2022-04-24 | 2024-01-16 | 中山大学附属第三医院 | Cerebrospinal fluid immunoadsorption device and control method |
| CN114992100A (en) * | 2022-06-29 | 2022-09-02 | 重庆山外山血液净化技术股份有限公司 | Peristaltic pump capable of automatically disassembling and assembling pump pipe |
| CN114992100B (en) * | 2022-06-29 | 2023-12-22 | 重庆山外山血液净化技术股份有限公司 | Peristaltic pump capable of automatically disassembling and assembling pump pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101222 Termination date: 20160528 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |