CN204226158U - Miniature peristaltic pump - Google Patents
Miniature peristaltic pump Download PDFInfo
- Publication number
- CN204226158U CN204226158U CN201420668581.1U CN201420668581U CN204226158U CN 204226158 U CN204226158 U CN 204226158U CN 201420668581 U CN201420668581 U CN 201420668581U CN 204226158 U CN204226158 U CN 204226158U
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- CN
- China
- Prior art keywords
- ball
- peristaltic pump
- dish
- miniature peristaltic
- assembly
- 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
Links
- 230000002572 peristaltic effect Effects 0.000 title claims abstract description 51
- 239000012530 fluid Substances 0.000 claims abstract description 9
- 230000000712 assembly Effects 0.000 claims description 8
- 238000000429 assembly Methods 0.000 claims description 8
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 230000007547 defect Effects 0.000 abstract description 3
- 230000001105 regulatory effect Effects 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 description 6
- 238000001125 extrusion Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 235000008429 bread Nutrition 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Reciprocating Pumps (AREA)
Abstract
The utility model discloses a kind of miniature peristaltic pump, comprise motor and motor cabinet assembly, also include: hose, described hose has for carrying fluid hose; Described flexible pipe is carried out to the ball of flexible extruding, described ball freely rotates around ball axle, and described ball axle penetrates in ball, and described ball axle is connected with the ball dish of peristaltic pump by flexible part of replying; Described motor driven ball dish rotates.Adopt the miniature peristaltic pump of said structure, because ball axle is connected with the ball dish of miniature peristaltic pump by flexible part of replying, make peristaltic pump ball axle and ball dish in flexibly connecting, when ball dish rotates, ball can be replied part by flexibility to the pliable pressure of flexible pipe and automatically be regulated, and effectively prevent the overvoltage to flexible pipe, decrease energy ezpenditure, extend the working life of flexible pipe, overcome the defect that can not regulate the pressure of flexible pipe, make ball to the pressure stability of flexible pipe.
Description
Technical field
The utility model relates to a kind of positive displacement Special Pump, particularly a kind of miniature peristaltic pump be mainly used in the household electric appliance such as bread making machine, coffee machine and medical equipment.
Background technique
Existing for bread making machine, miniature peristaltic pump on the food such as coffee machine or medical electrical equipment, extrude by hocketing to the flexible pipe of pump and discharge pumping fluid, it is all rigid contact that its ball contacts with flexible pipe, its ball is fixed on ball base, radial distance between ball and fixing frame is the extruding space of flexible pipe, current domestic and international various ball extruding type peristaltic pump, utilize ball by certain movement direction rolling extrusion rubber hose, make to form negative pressure in flexible pipe, fluid in flexible pipe is mobile along with the rotation of runner discharges liquid, form negative pressure when flexible pipe restores to the original state and suck liquid again.Such as, in Chinese patent literature CN102782325A, disclose a kind of peristaltic pump, for carrying the medium carried in flexible pipe, this peristaltic pump has multiple extrusion element, and this flexible pipe is pressed to bearing when squeezing tube and is fed forward the medium in this flexible pipe along throughput direction thus by described extrusion element, wherein, this peristaltic pump has and penetrates device for being incorporated into by flexible pipe between extrusion element and bearing, and this penetrates device and comprises worm screw.
Above-mentioned this peristaltic pump there are certain requirements the diameter of flexible pipe and wall thickness, if the wall thickness of flexible pipe is too thick or too thin, and the gap of ball and fixing frame is certain, and the flow of peristaltic pump will change.Even if Adjusted Option (as adjusted the position of fixing frame to change gap) is in order to address this problem, but it is very little and cannot keep stable to improve space.And this kind of peristaltic pump because of ball and flexible pipe be rigid contact without buffering, water suction and draining pulse comparatively greatly, reduce the working life of flexible pipe to a certain extent.
Model utility content
The technical problems to be solved in the utility model is to provide a kind of flexible pipe working life of extending, and keeps gap between ball and flexible pipe to stablize, the miniature peristaltic pump of favorable working performance.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: miniature peristaltic pump, comprises motor and motor cabinet assembly, also includes hose, and described hose has for carrying fluid hose; Also include the ball described flexible pipe being carried out to flexible extruding; Described ball freely rotates around ball axle, and described ball axle penetrates in ball, and described ball axle is connected with the ball dish of miniature peristaltic pump by flexible part of replying; Described motor driven ball dish rotates.
Adopt the miniature peristaltic pump of said structure, because ball axle is connected with the ball dish of miniature peristaltic pump by flexible part of replying, make peristaltic pump ball axle and ball dish in flexibly connecting, when ball dish rotates, ball can be replied part by flexibility to the pliable pressure of flexible pipe and automatically be regulated, and effectively prevent the overvoltage to flexible pipe, decrease energy ezpenditure, extend the working life of flexible pipe, overcome the defect that can not regulate the pressure of flexible pipe, make ball to the pressure stability of flexible pipe; In addition, ball carries out flexibility extruding to flexible pipe, is flexible contact, not rigid contact, reduce the pulse of suction or discharging liquid, make pulse stabilization, improve the service behaviour of peristaltic pump, can be applicable to different operating mode, a peristaltic pump can be suitable for the flexible pipe of different model to change uninterrupted.
Further improvement is, this miniature peristaltic pump also includes ball dish assembly, and described flexibility reply part and ball dish all belong to a part for ball dish assembly; Described ball dish assembly also includes ball disk cover and ball assembly; Described ball disk cover is connected with ball dish; Described ball and ball axle belong to the part in ball assembly.
In technique scheme, ball dish assembly includes ball assembly, ball disk cover, ball dish and flexible reply part, and ball disk cover is main in ball dish assembly plays sealing and protective action.
Further improvement is, described ball disk cover is fastened and connected by strong de-structure and ball dish, and ball disk cover can be separated again while combining closely with ball dish, is convenient for changing the parts that maintenance is positioned at ball dish assembly.
Further improvement is, is fastened and connected between described ball disk cover and ball dish by the rib position of ball disk cover sidewall and the groove of ball dish; Being fastened and connected like this is convenient to install and be separated; Other modes can be adopted between ball disk cover with ball dish to be connected, and such as ultrasonic welding, the modes such as gummed connect.
Further improvement is, it is jump ring that described flexibility replys part, and relative to other flexible reply parts, jump ring uses comparatively extensive at mechanical field, draw materials easily, and in addition, in the scheme of the application, the stability of jump ring is better, and while is also convenient to install.
Further improvement is, described ball assembly is three groups, is 120 degree is uniformly distributed at the whole circumference of described ball dish group; Adopt such structure, pump chamber is formed between each ball, because pump chamber distortion produces the change of volume, negative pressure is formed in flexible pipe, fluid in flexible pipe is mobile along with the rotation of runner discharges liquid, forms negative pressure and sucks liquid again, find after deliberation when flexible pipe restores to the original state, adopt three groups, pumping fluid better effects if.
Further improvement is, this miniature peristaltic pump is also provided with the support undertaking support hose and ball dish assembly, and the front end assemblies be connected with described motor cabinet assembly.
The effect of support is mainly the position for supporting firm flexible pipe, the radial distance between ball and support is fixed, to the extruding spatial stability of flexible pipe.
Further improvement is, described motor adopts direct current generator, synchronous machine or stepper motor.
Further improvement is, the motor cabinet in described motor cabinet assembly is built with nut, and described motor cabinet is connected by nut with between front end assemblies, arranges front end assemblies, its role is to peristaltic pump and other devices to isolate, and avoids other devices to disturb its work.
Further improvement is, described flexible pipe is rubber hose, and overall cost and aspect of performance are considered, adopts rubber hose effect better.
Accompanying drawing explanation
Further describe below in conjunction with accompanying drawing and mode of execution of the present utility model:
Accompanying drawing 1 is the real peristaltic pump structure explosive view of the utility model;
Accompanying drawing 2a is ball dish assembly decomposition texture schematic diagram;
Accompanying drawing 2b is ball dish assembly plan view;
Fig. 3 is the strong de-linkage structure schematic diagram of ball disk cover and ball dish in Fig. 2 a;
Wherein: 1-motor; 2-motor cabinet assembly; 3-support; 4-hose; 5-ball dish assembly; 5-1-ball disk cover; 5-2-flexibility replys part; 5-3-ball dish; 5-4-ball; 5-5-ball axle; 6-front end assemblies.
Embodiment
As shown in Figure 1, miniature peristaltic pump in the utility model example adopts direct current generator by motor 1(), motor cabinet assembly 2, support 3, hose 4, ball dish assembly 5 and front end assemblies 6 form, successively according to order assembling as shown in Figure 1, described hose 4 has for carrying fluid hose, and support 3 undertakes support hose 4 and ball dish assembly 5.
As illustrated in figures 2a and 2b, miniature peristaltic pump ball dish assembly 5 comprises: ball disk cover 5-1, jump ring 5-2, ball dish 5-3, ball 5-4, ball axle 5-5, ball axle replys part 5-2(jump ring by flexible) link with ball dish 5-3, the reaction force provided by jump ring 5-2 when ball 5-4 is subject to external force is extruded with the flexibility reaching ball and flexible pipe.
During minitype creepage pump work, ball dish in ball dish assembly 5 is driven by motor 1 and rotates, ball axle 5-5 penetrates in ball, ball axle is connected with the ball dish 5-3 of peristaltic pump by jump ring 5-2, ball 5-4 freely rotates around ball axle 5-5, ball 5-4 extrudes rubber hose and forms pump chamber, along with the change of volume forms negative pressure, drives flow of fluid.
As shown in Figure 3, fastened by the rib position of ball disk cover 5-1 sidewall and the groove of ball dish 5-3 between ball disk cover 5-1 and ball dish 5-3, easy to assemble, intensity is good.
In addition, significantly can find out that ball assembly 5 is three groups from accompanying drawing 1,2a, 2b, be 120 degree at whole circumference and be uniformly distributed; In fig. 2 a, miniature peristaltic pump respectively has a ball disk cover 5-1 up and down, each ball disk cover 5-1 is fastened (as shown in Figure 3) by strong de-structure and ball dish 5-4 up and down, or pass through ultrasonic welding, the modes such as gummed connect, and the strong de-structure in the present embodiment is referred to and is fastened and connected by the rib position of ball disk cover 5-1 sidewall and the groove of ball dish 5-4 between ball disk cover 5-1 and ball dish 5-4.
Motor 1 can adopt direct current generator, synchronous machine or stepper motor; Motor cabinet in described motor cabinet assembly 2, built with nut, is connected by nut between motor cabinet with front end assemblies 6.
Beneficial effect: 1) miniature peristaltic pump ball assembly and ball dish seat are in flexibly connecting, when ball dish rotates, ball can be regulated by jump ring automatically to the pliable pressure of rubber hose, effectively prevent the overvoltage to elastic hose, decrease energy ezpenditure, extend the working life of rubber hose; 2) defect that the pressure overcoming existing peristaltic pump pair of rollers flexible pipe can not regulate, makes ball to the pressure stability of rubber hose; 3) reduce the pulse of suction or discharging liquid, make pulse stabilization, improve the service behaviour of peristaltic pump; 4) can be applicable to different operating mode, a peristaltic pump can be suitable for the flexible pipe of different model to change uninterrupted.
The soft drive flexible pipe mode of the utility model miniature peristaltic pump, effectively improves the service behaviour of peristaltic pump, improves the working life of rubber hose, pulse stabilization, is suitable for different operating mode.
Above-described specific embodiment, further describes the purpose of this utility model, technological scheme and beneficial effect, and institute it should be understood that and the foregoing is only specific embodiment of the utility model, is not limited to the utility model; All within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a miniature peristaltic pump, comprises motor and motor cabinet assembly, it is characterized in that, also include: hose, and described hose has for carrying fluid hose; Described flexible pipe is carried out to the ball of flexible extruding, described ball freely rotates around ball axle, and described ball axle penetrates in ball, and described ball axle is connected with the ball dish of peristaltic pump by flexible part of replying; Described motor driven ball dish rotates.
2. miniature peristaltic pump according to claim 1, is characterized in that, this miniature peristaltic pump also includes ball dish assembly, and described flexibility reply part and ball dish all belong to a part for ball dish assembly; Described ball dish assembly also includes ball disk cover and ball assembly; Described ball disk cover is connected with ball dish; Described ball and ball axle belong to the part in ball assembly.
3. miniature peristaltic pump according to claim 2, is characterized in that, described ball disk cover is fastened and connected by strong de-structure and ball dish.
4. miniature peristaltic pump according to claim 3, is characterized in that, is fastened and connected between described ball disk cover and ball dish by the rib position of ball disk cover sidewall and the groove of ball dish.
5. the miniature peristaltic pump according to any one of claim 1-4, is characterized in that, it is jump ring that described flexibility replys part.
6. miniature peristaltic pump according to claim 5, is characterized in that, described ball assembly is three groups, is 120 degree is uniformly distributed at the whole circumference of described ball dish group.
7. miniature peristaltic pump according to claim 6, is characterized in that, this miniature peristaltic pump is also provided with the support undertaking support hose and ball dish assembly, and the front end assemblies be connected with described motor cabinet assembly.
8. miniature peristaltic pump according to claim 7, is characterized in that, described motor adopts direct current generator, synchronous machine or stepper motor.
9. miniature peristaltic pump according to claim 8, is characterized in that, the motor cabinet in described motor cabinet assembly is built with nut, and described motor cabinet is connected by nut with between front end assemblies.
10. miniature peristaltic pump according to claim 9, is characterized in that, described flexible pipe is rubber hose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420668581.1U CN204226158U (en) | 2014-11-11 | 2014-11-11 | Miniature peristaltic pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420668581.1U CN204226158U (en) | 2014-11-11 | 2014-11-11 | Miniature peristaltic pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204226158U true CN204226158U (en) | 2015-03-25 |
Family
ID=52924262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420668581.1U Expired - Fee Related CN204226158U (en) | 2014-11-11 | 2014-11-11 | Miniature peristaltic pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204226158U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107654357A (en) * | 2017-11-17 | 2018-02-02 | 常州普瑞流体技术有限公司 | Peristaltic pump idler wheel mechanism and peristaltic pump |
| CN110388311A (en) * | 2019-07-24 | 2019-10-29 | 四川轻化工大学 | Self-maintenance ball type peristaltic pump |
| CN110761981A (en) * | 2019-11-07 | 2020-02-07 | 广东伟创科技开发有限公司 | Extrusion and rebound combined peristaltic pump |
-
2014
- 2014-11-11 CN CN201420668581.1U patent/CN204226158U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107654357A (en) * | 2017-11-17 | 2018-02-02 | 常州普瑞流体技术有限公司 | Peristaltic pump idler wheel mechanism and peristaltic pump |
| CN110388311A (en) * | 2019-07-24 | 2019-10-29 | 四川轻化工大学 | Self-maintenance ball type peristaltic pump |
| CN110761981A (en) * | 2019-11-07 | 2020-02-07 | 广东伟创科技开发有限公司 | Extrusion and rebound combined peristaltic pump |
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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: 20150325 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |