CN207366031U - A kind of rotary fluid metering device - Google Patents
A kind of rotary fluid metering device Download PDFInfo
- Publication number
- CN207366031U CN207366031U CN201720553820.2U CN201720553820U CN207366031U CN 207366031 U CN207366031 U CN 207366031U CN 201720553820 U CN201720553820 U CN 201720553820U CN 207366031 U CN207366031 U CN 207366031U
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- China
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- elastic hose
- pressure pipe
- rotary
- metering device
- roller structure
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Abstract
The utility model discloses a kind of rotary fluid metering device, roller structure, elastic hose and outlet pressure pipe structure are pushed away including rotation, flowed in the elastic hose for fluid, one end in the elastic hose is outlet, for discharging fluid, the other end in the elastic hose is import, for sucking fluid；The elastic hose pushes away roller structure contact resilient hose and rotates along the arranged direction of elastic hose along arc-shaped arranged in tracks, the rotation.The utility model has the advantages that principle is simple, of low cost, precision is high.
Description
Technical field
The utility model is mainly concerned with fluid metering technical field, refers in particular to a kind of rotary fluid meter suitable for fluid
Measure device.
Background technology
With the development of technology, many special industries are higher and higher to the precision of metering and the requirement of cleanliness factor, such as raw
Thing pharmaceutical industry, medical industry, chemical industry etc..At present, when carrying out accurate measurement to fluid, generally using plunger pump, compacted
Dynamic pump technology.But existing way still has some shortcomings, so as to largely effect on the accuracy of metering.Existing deficiency just exists
In：
Directly contacted 1. existing plunger pump has with fluid at work, while there is friction between plunger meeting and the pump housing,
This is easy for the particulate of generation being mixed among fluid, and cleans inconvenience.
Although 2. existing peristaltic pump can solve hygienic issues, but since the metering total amount of rotary peristaltic pump is
Roll and complete by roller multi-turn, measuring accuracy is poor, generally 2% or so.Meanwhile roller ceaselessly rolls on elastic hose
Dynamic, the damage to hose is larger.And existing straight line peristaltic pump precision is higher, but acted using linear reciprocal, pressure hose promotes
Roller power lifting is required in each working cycles and is declined so that the power of whole raising and lowering be required for
And move reciprocatingly, thus it is complicated, and stability is poor.
Utility model content
The technical problems to be solved in the utility model is that：It is new for technical problem existing in the prior art, this practicality
Type provides the rotary fluid metering device that a kind of principle is simple, of low cost, precision is high.
In order to solve the above technical problems, the utility model uses following technical scheme：
A kind of rotary fluid metering device, including rotation push away roller structure, elastic hose and outlet pressure pipe structure, the bullet
Property hose in flowed for fluid, one end in the elastic hose is outlet, another in the elastic hose for discharging fluid
One end is import, for sucking fluid；The elastic hose pushes away rolling mechanism contacts bullet along arc-shaped arranged in tracks, the rotation
Property hose simultaneously rotates along the arranged direction of elastic hose.
Further as the utility model device is improved：The elastic hose is installed in fixed seat, the fixed seat
It is interior to be equipped with work arc surface.
Further as the utility model device is improved：The elastic hose is interior around the work arc surface of fixed seat
Side is arranged, or the elastic hose is around the outside arrangement of the work arc surface of fixed seat.
Further as the utility model device is improved：The rotation pushes away roller structure and includes rotary drive mechanism and stretch
Roller structure is pushed away, the rotary drive mechanism is arranged in the center of the arc-shaped track of the elastic hose, the rotary drive mechanism
Pivot overlapped with the center line of the arc-shaped track of the elastic hose.
Further as the utility model device is improved：The flexible roller structure that pushes away includes flexible swing-bar mechanism and pushes away
Rolling, the flexible swing rod contains two sets and is symmetrically mounted on the rotation driving axis of rotary drive mechanism, same with rotation driving axis
Step rotation, while two sets of flexible swing rods are synchronized and stretched to compress and unclamp elastic hose.
Further as the utility model device is improved：The flexible roller structure that pushes away includes flexible swing-bar mechanism, pushes away rolling
With fixed swing rod, the flexible swing rod and fixed swing rod are symmetrically mounted on the rotation driving axis of rotary drive mechanism, with rotation
Drive shaft synchronous rotary, the flexible swing rod and fixed swing rod coordinate to compress and unclamp elastic hose.
Further as the utility model device is improved：The outlet pressure pipe structure includes pressure pipe driving mechanism, pressure pipe
Bar and pressure pipe seat, the elastic hose pass through among pressure pipe bar and pressure pipe seat, on the pressure pipe driving mechanism band dynamic pressure tube bar
It is lower to move back and forth to compress and unclamp elastic hose.
Further as the utility model device is improved：The curve movement for pushing away roller structure is straight line or circular arc.
Compared with prior art, the utility model has the advantage of：The rotary fluid metering device of the utility model, it is former
Manage that simple, of low cost, precision is high, rotating distance of roller completes whole metering, than existing rotary peristaltic pump measuring accuracy
It is high；Using rotatably around pipe, compared with existing linear peristaltic pump, greatling save space, simplify structure.And roller need not
Lifting, structure is simpler, and stability is good.For elastic hose, opposing stationary or only very small displacement,
Damage to elastic hose is small.
Brief description of the drawings
Fig. 1 is principle schematic diagram of the utility model in concrete application example 1.
Fig. 2 is principle schematic diagram of the utility model in concrete application example 2.
Fig. 3 is the main structure of the schematic diagram of the utility model after the assembling of concrete application example 1.
Fig. 4 is the left view principle schematic diagram of Fig. 3.
Fig. 5 is axis side view of the utility model after the assembling of concrete application example 1.
Fig. 6, which is the utility model after the assembling of concrete application example 1, flexible pushes away a kind of schematic diagram of embodiment of roller structure.
Fig. 7 is the flexible signal that pushes away roller structure another kind embodiment of the utility model after the assembling of concrete application example 1
Figure.
Fig. 8 is outlet pressure pipe structure schematic diagram of the utility model after the assembling of concrete application example 1.
Marginal data：
1st, fixed seat；2nd, rotation pushes away roller structure；3rd, elastic hose；4th, pressure pipe structure is exported；5th, fluid；21st, rotation driving
Mechanism；22nd, stretch and push away roller structure；211st, rotation driving axis；221st, stretch swing-bar mechanism；222nd, rolling is pushed away；223rd, fixed swing rod；
41st, pressure pipe driving mechanism；42nd, pressure pipe bar；43rd, pressure pipe seat.
Embodiment
The utility model is described in further details below with reference to Figure of description and specific embodiment.
Embodiment 1：As shown in Figure 1, the utility model further provides for rotary fluid metering device, including fixed seat 1,
Rotation pushes away roller structure 2, elastic hose 3 and outlet pressure pipe structure 4, fluid 5 and is flowed in elastic hose 3, and one in elastic hose 3
Hold as outlet, for discharging fluid 5, the other end in elastic hose 3 is import, for sucking fluid 5.It is equipped with fixed seat 1
Work arc surface, and elastic hose 3 surrounds the disposed inboard of arc surface, and rotation pushes away roller structure 2 centered on the center of circle for the circular arc that works
Carry out crankmotion.
Referring to as shown in Fig. 3~Fig. 5, rotation pushes away roller structure 2 and pushes away roller structure 22 with flexible comprising rotary drive mechanism 21, revolves
Turn the center that driving mechanism 21 is arranged in fixed seat 1, the center line of the pivot and work arc surface of rotary drive mechanism 21
Overlap.As shown in fig. 6, the flexible roller structure 22 that pushes away includes flexible swing-bar mechanism 221 and pushes away rolling 222, flexible swing rod 221 contains two
Set, is symmetrically mounted on the rotation driving axis 211 of rotary drive mechanism 21, and 211 synchronous rotary of rotation driving axis, while two sets
Flexible swing rod 221 can play the role of compression and unclamp elastic hose 3 according to need of work synchronization telescope.
As shown in fig. 7, the flexible roller structure 22 that pushes away of preferable another kind includes flexible swing-bar mechanism 221, pushes away rolling 222 and fix
Swing rod 223, flexible swing rod 221 and fixed swing rod 223 are symmetrically mounted on the rotation driving axis 211 of rotary drive mechanism 21, with
211 synchronous rotary of rotation driving axis, flexible swing rod 221 can stretch according to need of work, and fixed swing rod 223 is fixed, and plays pressure
Effect that is tight and unclamping elastic hose 3.
As shown in figure 8, outlet pressure pipe structure 4 includes pressure pipe driving mechanism 41, pressure pipe bar 42 and pressure pipe seat 43.Elastic hose
3 pass through among pressure pipe bar 42 and pressure pipe seat 43, and pressure pipe driving mechanism 41 can pump with dynamic pressure tube bar 42, with up to
To the purpose for compressing and unclamping elastic hose 3.During work, swing-bar mechanism 221 flexible first is shunk, and drive pushes away rolling 222 and compresses bullet
Property hose 3；Then pressure pipe driving mechanism 41 is stretched out, open-top pressure pipe bar 42, unclamps elastic hose 3；Then rotary drive mechanism 21
Start, drive rotation to push away outlet of the roller structure 2 to pump by rotation driving axis 211 and rotate, discharge fluid 5.Then pressure pipe drives
Mechanism 41 is shunk, and collapses pressure pipe bar 42, compresses elastic hose 3；Then the swing-bar mechanism 221 that stretches stretches out, and drive pushes away rolling 222 and unclamps
Elastic hose 3；Then rotary drive mechanism 21 starts, and drives rotation to push away roller structure 2 by rotation driving axis 211 and reversely rotates,
Initial position is returned to, completes a working cycles.
During work, rotation first pushes away roller structure 2 and compresses elastic hose 3, then exports pressure pipe structure 4 and unclamps elastic hose 3,
The outlet of elastic hose 3 is allowed to form path；Then rotation pushes away roller structure 2 and is rotated toward export direction, discharges fluid 5.Next, go out
Mouth pressure pipe structure 4 compresses elastic hose 3, and rotation pushes away roller structure 2 and unclamps elastic hose 3 and rotated toward import direction, returns to initially
Position, completes a working cycles, waits next working cycles.
Embodiment 2：As shown in Fig. 2, the utility model further provides for rotary fluid metering device, including fixed seat 1,
Rotation pushes away roller structure 2, elastic hose 3 and outlet pressure pipe structure 4, fluid 5 and is flowed in elastic hose 3, and one in elastic hose 3
Hold as outlet, for discharging fluid 5, the other end in elastic hose 3 is import, for sucking fluid 5.It is equipped with fixed seat 1
Work arc surface, and elastic hose 3 is arranged around the outside of arc surface, is so conducive to rotation and is pushed away roller structure 2 and its driving part
Installation, arrangement and maintenance.Rotation is pushed away roller structure 2 and crankmotion is carried out centered on the center of circle for the circular arc that works.
During work, rotation first pushes away roller structure 2 and compresses elastic hose 3, then exports pressure pipe structure 4 and unclamps elastic hose 3,
The outlet of elastic hose 3 is allowed to form path；Then rotation pushes away roller structure 2 and is rotated toward export direction, discharges fluid 5.Next, go out
Mouth pressure pipe structure 4 compresses elastic hose 3, and rotation pushes away roller structure 2 and unclamps elastic hose 3 and rotated toward import direction, returns to initially
Position, completes a working cycles, waits next working cycles.
From the foregoing, it will be observed that the metering method that uses of the said structure of the utility model for：The flowing in elastic hose 3 of fluid 5,
Elastic hose 3 controls the arranged direction of cut off along the elastic hose 3 of elastic hose 3 to do and revolves along arc-shaped arranged in tracks
Transhipment is dynamic, one end in elastic hose 3 is discharged fluid 5 while other end suction fluid 5；Using in cut off motion process
Rotation angle control metered flow.
It the above is only the preferred embodiment of the utility model, the scope of protection of the utility model is not limited merely to above-mentioned
Embodiment, all technical solutions belonged under the utility model thinking belong to the scope of protection of the utility model.It should be pointed out that pair
For those skilled in the art, some improvements and modifications under the premise of the utility model principle is not departed from,
It should be regarded as the scope of protection of the utility model.
Claims (7)
1. a kind of rotary fluid metering device, it is characterised in that push away roller structure including rotation（2）, elastic hose（3）And outlet
Pressure pipe structure（4）, the elastic hose（3）It is interior to supply fluid（5）Flowing, the elastic hose（3）Interior one end is outlet, is used for
Discharge fluid（5）, the elastic hose（3）The interior other end is import, for sucking fluid（5）；The elastic hose（3）Edge
Arc-shaped arranged in tracks, the rotation pushes away roller structure（2）Contact resilient hose（3）And along elastic hose（3）Arrangement side
To rotating.
2. rotary fluid metering device according to claim 1, it is characterised in that the elastic hose（3）It is installed on
Fixed seat（1）On, the fixed seat（1）It is interior to be equipped with work arc surface.
3. rotary fluid metering device according to claim 2, it is characterised in that the elastic hose（3）Around solid
Reservation（1）Work arc surface disposed inboard, or the elastic hose（3）Around fixed seat（1）Work arc surface
Outside is arranged.
4. rotary fluid metering device according to claim 3, it is characterised in that the rotation pushes away roller structure（2）Bag
Containing rotary drive mechanism（21）Roller structure is pushed away with flexible（22）, the rotary drive mechanism（21）It is arranged in the elastic hose
（3）The center of arc-shaped track, the rotary drive mechanism（21）Pivot and the elastic hose（3）Arc-shaped track
Center line overlap.
5. rotary fluid metering device according to claim 4, it is characterised in that described stretch pushes away roller structure（22）Bag
Containing flexible swing-bar mechanism（221）Rolled with pushing away（222）, the flexible swing-bar mechanism（221）Containing two sets and it is symmetrically mounted on rotation
Driving mechanism（21）Rotation driving axis（211）On, with rotation driving axis（211）Synchronous rotary, while two sets of flexible rocker mechanisms
Structure（221）Synchronize and stretch to compress and unclamp elastic hose（3）.
6. rotary fluid metering device according to claim 4, it is characterised in that described stretch pushes away roller structure（22）Bag
Containing flexible swing-bar mechanism（221）, push away rolling（222）With fixed swing rod（223）, the flexible swing-bar mechanism（221）With fixed swing rod
（223）It is symmetrically mounted on rotary drive mechanism（21）Rotation driving axis（211）On, with rotation driving axis（211）Synchronous rotary,
The flexible swing-bar mechanism（221）With fixed swing rod（223）Coordinate to compress and unclamp elastic hose（3）.
7. the rotary fluid metering device according to any one in Claims 1 to 4, it is characterised in that the outlet
Pressure pipe structure（4）Include pressure pipe driving mechanism（41）, pressure pipe bar（42）With pressure pipe seat（43）, the elastic hose（3）From pressure pipe
Bar（42）With pressure pipe seat（43）Centre passes through, the pressure pipe driving mechanism（41）Band dynamic pressure tube bar（42）Pump to press
Tight and release elastic hose（3）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720553820.2U CN207366031U (en) | 2017-05-18 | 2017-05-18 | A kind of rotary fluid metering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720553820.2U CN207366031U (en) | 2017-05-18 | 2017-05-18 | A kind of rotary fluid metering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207366031U true CN207366031U (en) | 2018-05-15 |
Family
ID=62423733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720553820.2U Active CN207366031U (en) | 2017-05-18 | 2017-05-18 | A kind of rotary fluid metering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207366031U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107063372A (en) * | 2017-05-18 | 2017-08-18 | 长沙执先智量科技股份有限公司 | A kind of rotary fluid metering method and rotary fluid metering device |
-
2017
- 2017-05-18 CN CN201720553820.2U patent/CN207366031U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107063372A (en) * | 2017-05-18 | 2017-08-18 | 长沙执先智量科技股份有限公司 | A kind of rotary fluid metering method and rotary fluid metering device |
| WO2018210251A1 (en) * | 2017-05-18 | 2018-11-22 | 长沙执先智量科技股份有限公司 | Rotary fluid measurement method and device |
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