CN204175566U - A kind of peristaltic pump - Google Patents
A kind of peristaltic pump Download PDFInfo
- Publication number
- CN204175566U CN204175566U CN201420604484.6U CN201420604484U CN204175566U CN 204175566 U CN204175566 U CN 204175566U CN 201420604484 U CN201420604484 U CN 201420604484U CN 204175566 U CN204175566 U CN 204175566U
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- pump
- pump head
- peristaltic pump
- head body
- peristaltic
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Abstract
The utility model discloses a kind of peristaltic pump, comprise pump case, pump head, described pump head is arranged on pump case, described pump head comprises pump head body, the roller be arranged on by back shaft in pump head body, a guide wheel, the outer of described pump head body is arranged an opening, No. two openings, described outer arranges a chamfered transition to an opening, and arrange No. two chamfered transition to No. two openings, the upper end portion of a described guide wheel is less than underpart.Pump shell structure integration in the utility model, assembling is simple, and cost of production is low; Pump head, by design again, can realize two-way automatic tubulature.
Description
Technical field
The utility model relates to blood sampling blood transfusion industry, and particularly a kind of needs gathers blood and the liquid such as blood, salt solution is fed back the drive unit in human body in human body.
Background technique
In blood sampling blood transfusion apparatus, need in human body, gather blood and the liquid such as blood, salt solution is fed back in human body, peristaltic pump just provides power for gathering, feeding back.The working principle of peristaltic pump is: supply pressure by squeezing tube to the liquid carrying in flexible pipe, thus drives the blood in flexible pipe or flow of fluid, as shown in Figure 1.
The pump case of the peristaltic pump now used at present is made up of pump house wall and pump case guide groove two-part, and as shown in Figure 2 and Figure 3, pump case guide groove two screws are fixed in pump house wall.Adopt the shortcoming of this structure to be: cost is high, assembling is slightly aobvious complicated and pump house wall corner is relatively more sharp-pointed, easily hurts staff, and scratch flexible pipe and cause leakage.In addition, Peristaltic pump head has an automatic tubulature structure, automatically flexible pipe can be loaded precalculated position under the drive of drive motor (or manual).But only can unidirectional automatic tubulature (clockwise or counterclockwise), use the middle pump head needing configuration two kinds of different structures, cost is higher, easily makes mistakes during assembling.
Summary of the invention
The purpose of this utility model solves former peristaltic pump pump case to install the problems such as complicated, cost is higher.And solve former peristaltic pump simultaneously can only unidirectional automatic tubulature defect, can two-way automatic tubulature.The technical solution of the utility model is as follows:
A kind of peristaltic pump, comprise pump case 1, pump head 2, described pump head 2 is arranged on pump case 1, described pump head 2 comprises pump head body 3, roller 4, the guide wheel 5 be arranged on by back shaft 24 in pump head body 3, the outer 6 of described pump head body 3 is arranged an opening 7, No. two openings 8, described outer 6 arranges an inclined-plane 9 and is transitioned into an opening 7, and arrange No. two inclined-planes 10 and be transitioned into No. two openings 8, the upper end portion 11 of a described guide wheel 5 is less than underpart 12.
Alternately, above-mentioned a kind of peristaltic pump, inclined-plane, No. 9, two, a described inclined-plane 10 is seamlessly transit with the cylinder 20 of pump head body 3.
Alternately, above-mentioned a kind of peristaltic pump, centered by the axle of pump head body 3, arranges No. two guide wheels 13 with guide wheel 5 symmetry.
Alternately, above-mentioned a kind of peristaltic pump, the number of described roller 4 is two, and the axisymmetric along pump head body 3 is arranged.
Alternately, above-mentioned a kind of peristaltic pump, described No. two guide wheels 13 are I-shaped structure.
Alternately, above-mentioned a kind of peristaltic pump, described roller 4 comprises bearing housing 14, inserts 15, overcoat 16.
Alternately, above-mentioned a kind of peristaltic pump, the material of described bearing housing 14 is metal powder, and the material of inserts 15 is metal, and the material of described overcoat 16 is rubber.
Alternately, above-mentioned a kind of peristaltic pump, described pump case 1 integrated molding, its material is aluminum alloy.
Alternately, above-mentioned a kind of peristaltic pump, described pump head 2 is connected with driver part 19 by hex screw 21, and described driver part 19 drives pump head 2 to rotate.
Alternately, above-mentioned a kind of peristaltic pump, described pump case 1 is fixed on fixed plate 18, and described driver part 19 is fixed on pump case 1.
In sum, owing to have employed technique scheme, the beneficial effects of the utility model are:
The pump case of the peristaltic pump 1, in the utility model is not further divided into pump house wall and pump case guide groove, adopts machine add mode integrated molding, avoids the sharp-pointed corner angle and projection that are formed because of assembling, solves the problem scratching staff and scratch flexible pipe.Only have parts to decrease manufacture and the assembly process in early stage simultaneously, saved cost.
The roller of the peristaltic pump 2, in the utility model, guide wheel adopt new arrangement, and guide wheel is set to single head structure, and arrange opening on pump head body, this structure can two-way automatic tubulature, under the cooperation of pump case sidewall, along with the rotation of peristaltic pump, two-way automatic tubulature can be realized.
Accompanying drawing explanation
The utility model illustrates by example and with reference to the mode of accompanying drawing, wherein:
Fig. 1 is peristaltic pump operating diagram;
Fig. 2 is the explosive view of prior art pump case;
Fig. 3 is the structural representation of prior art pump case;
Fig. 4 is the use schematic diagram of peristaltic pump in the utility model;
Fig. 5 is the utility model pump shell structure schematic diagram;
Fig. 6 is the utility model pump head structure schematic diagram;
Fig. 7 is the plan view of the utility model pump head body;
Fig. 8 is the utility model pump head body K direction view;
Fig. 9 is the utility model peristaltic pump plan view;
Figure 10 is the utility model peristaltic pump A-A sectional view;
Figure 11 is the partial enlarged drawing of the utility model peristaltic pump A-A sectional view;
Figure 12 is the utility model peristaltic pump B-B sectional view;
Figure 13 is the utility model pump head body roller schematic cross-section;
Figure 14 is the utility model pump head body guide wheel schematic cross-section;
Figure 15 is the utility model roller schematic diagram;
Figure 16 is the utility model peristaltic pump operating diagram.
Reference character: 1 is pump case, 2 is pump head, 3 is pump head body, 4 is roller, 5 is a guide wheel, 6 is pump head body outer, 7 is an opening, 8 is No. two openings, 9 is an inclined-plane, 10 is No. two inclined-planes, 11 is a guide wheel upper end portion, 12 is a guide wheel underpart, 13 is No. two guide wheels, 14 is bearing housing, 15 is inserts, 16 is overcoat, 17 is flexible pipe, 18 is fixed plate, 19 is driver part, 20 is pump head body cylinder, 21 is hex screw, 22 is sunk screw, 23 is guide groove, 24 is back shaft.
Embodiment
All features disclosed in this specification, or the step in disclosed all methods or process, except mutually exclusive feature and/or step, all can combine by any way.
As shown in Figure 4, new peristaltic pump, comprises pump case 1, pump head 2, and new pump case 1 is not further divided into pump house wall and pump case guide groove, and as shown in Figure 5, adopt machine add mode integrated molding, its material is aluminum alloy.Pump shell structure integration, assembling is simple, and cost of production is low.
Described pump head 2 is arranged on pump case 1, and the bottom of pump head is arranged in pump case 2.As shown in Fig. 6, Fig. 7, Fig. 8, described pump head 2 comprises pump head body 3, roller 4, the guide wheel 5 be arranged on by back shaft 24 in pump head body 3, the outer 6 of described pump head body 3 is arranged an opening 7, No. two openings 8, described outer 6 arranges an inclined-plane 9 and is transitioned into an opening 7, No. two inclined-planes 10 are set and are transitioned into No. two openings 8, the upper end portion 11 of a described guide wheel 5 is less than underpart 12, or the cylinder of a described guide wheel 5 extends to top, or a guide wheel 5 is set to single head structure, as shown in figure 14.
Inclined-plane, No. 9, two, a described inclined-plane 10 is seamlessly transit with the cylinder 20 of pump head body 3.As shown in Fig. 9, Figure 10, Figure 12, centered by the axle of pump head body 3, arrange No. two guide wheels 13 with guide wheel 5 symmetry.The number of described roller 4 is two, and the axisymmetric along pump head body 3 is arranged.Described two rollers 4 and a guide wheel 5, No. two guide wheels 13 are arranged in criss-crossing.
As shown in figure 11, described roller 4 role is squeezing tube 17, and described roller 4 can rotate around back shaft 24, in flexible pipe 17, the flowing of liquid provides power.The form structure of a described guide wheel 5, No. two guide wheels 13 is different, and the upper end portion 11 of a described guide wheel 5 is less than underpart 12, and described No. two guide wheels 13 are I-shaped structure, mediates when the effect of described No. two guide wheels 13 is and flexible pipe 17 is normally worked; A described guide wheel 5 does not have protruding that next piece in top, but its upper end portion 11 is less than underpart 12, is to coordinate pump head body 3 and pump case 1 that flexible pipe 17 is automatically loaded working position.If a guide wheel 5 is identical with No. two guide wheels 13, when automatic tubulature, flexible pipe 17 can be hindered to enter pump head body 3.
The inclined-plane 10, an opening 7, No. two openings No. 9, two, 8, inclined-plane that pump head body 3 is arranged, coordinates with the wall of a guide wheel 5, pump case 1, realizes two-way automatic tubulature, at driver part, such as, under the drive of drive motor 19, can realize two-way automatic tubulature.As shown in Figure 4, flexible pipe 17 is sleeved on the periphery of pump head 2, the two ends of described flexible pipe 17 are separately positioned in the guide groove 23 of pump case 1, along with driver part drives pump head 2 to rotate, be positioned at a guide wheel 5, No. two guide wheels 13 of pump head 2, roller 4 to rotate together along with the rotation of pump head 2, a described guide wheel 5, No. two guide wheels 13, roller 4 also rotate around respective back shaft 24 simultaneously.Described flexible pipe, by chamfered transition, can be automatically loaded working position, as shown in figure 16.
In use, pump case 1, pump head 2 and driver part are arranged on fixed plate 18.Described flexible pipe 17 is placed on pump head 2, and no matter clockwise rotation pump head 2 is or counterclockwise, flexible pipe 17 is loaded precalculated position by pump head 2 automatically.Driver part drives pump head 2 to rotate, the roller 4 meeting squeezing tube 17 on described pump head 2, for gathering or feed back liquid carrying for pressure reduction.
As shown in Figure 13,15, described roller 4 comprises bearing housing 14, inserts 15, overcoat 16, and roller 4 rotates around back shaft 24.
The material of described bearing housing 14 is metal powder, and metal powder is made bearing housing, uses the advantage of metal powder to have: economize material, performance is good.Namely the bearing housing wear resistance made by such manner is good, precision is high, good stability, is applicable to batch production, can reduces cost of production.The material of inserts 15 is metal, and material can be stainless steel.The material of described overcoat 16 is rubber, and during work, roller 4 rotates around back shaft 24, and its structure as shown in figure 15.Described pump head 2 is connected with driver part 19 by hex screw 21, and described driver part 19 drives pump head 2 to rotate.Described pump case 1 is fixed on fixed plate 18, and described driver part 19 is fixed on pump case 1, and pump case 1 can not rotate.
The utility model is not limited to aforesaid embodiment.The utility model expands to any new feature of disclosing in this manual or any combination newly, and the step of the arbitrary new method disclosed or process or any combination newly.
Claims (10)
1. a peristaltic pump, comprise pump case (1), pump head (2), it is characterized in that: described pump head (2) is arranged on pump case (1), described pump head (2) comprises pump head body (3), the roller (4) in pump head body (3) is arranged on by back shaft (24), a guide wheel (5), the outer (6) of described pump head body (3) is arranged an opening (7), No. two openings (8), described outer (6) arranges an inclined-plane (9) and is transitioned into an opening (7), No. two inclined-planes (10) are set and are transitioned into No. two openings (8), the upper end portion (11) of a described guide wheel (5) is less than underpart (12).
2. a kind of peristaltic pump as claimed in claim 1, is characterized in that: a described inclined-plane (9), No. two inclined-planes (10) are seamlessly transit with the cylinder (20) of pump head body (3).
3. a kind of peristaltic pump as claimed in claim 1, is characterized in that: centered by the axle of pump head body (3), arranges No. two guide wheels (13) symmetrical with a guide wheel (5).
4. a kind of peristaltic pump as claimed in claim 1, is characterized in that: the number of described roller (4) is two, and the axisymmetric along pump head body (3) is arranged.
5. a kind of peristaltic pump as claimed in claim 1, is characterized in that: described No. two guide wheels (13) are I-shaped structure.
6. a kind of peristaltic pump as claimed in claim 1, is characterized in that: described roller (4) comprises bearing housing (14), inserts (15), overcoat (16).
7. a kind of peristaltic pump as claimed in claim 6, is characterized in that: the material of described bearing housing (14) is metal powder, and the material of inserts (15) is metal, and the material of described overcoat (16) is rubber.
8. a kind of peristaltic pump as claimed in claim 1, is characterized in that: described pump case (1) integrated molding, and its material is aluminum alloy.
9. a kind of peristaltic pump as claimed in claim 1, is characterized in that: described pump head (2) is connected with driver part (19) by hex screw (21), and described driver part (19) drives pump head (2) to rotate.
10. a kind of peristaltic pump as claimed in claim 9, is characterized in that: described pump case (1) is fixed on fixed plate (18), and described driver part (19) is fixed on pump case (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420604484.6U CN204175566U (en) | 2014-10-20 | 2014-10-20 | A kind of peristaltic pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420604484.6U CN204175566U (en) | 2014-10-20 | 2014-10-20 | A kind of peristaltic pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204175566U true CN204175566U (en) | 2015-02-25 |
Family
ID=52564377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420604484.6U Active CN204175566U (en) | 2014-10-20 | 2014-10-20 | A kind of peristaltic pump |
Country Status (1)
| Country | Link |
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| CN (1) | CN204175566U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104696204A (en) * | 2015-03-27 | 2015-06-10 | 四川南格尔生物科技有限公司 | Self-adaptive elastic peristaltic pump |
| CN107288859A (en) * | 2016-04-11 | 2017-10-24 | 乌尔里希有限及两合公司 | Peristaltic pump |
| CN109154288A (en) * | 2016-05-20 | 2019-01-04 | 泰尔茂比司特公司 | Pump |
-
2014
- 2014-10-20 CN CN201420604484.6U patent/CN204175566U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104696204A (en) * | 2015-03-27 | 2015-06-10 | 四川南格尔生物科技有限公司 | Self-adaptive elastic peristaltic pump |
| CN107288859A (en) * | 2016-04-11 | 2017-10-24 | 乌尔里希有限及两合公司 | Peristaltic pump |
| CN109154288A (en) * | 2016-05-20 | 2019-01-04 | 泰尔茂比司特公司 | Pump |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |