CN204476710U - Micropump - Google Patents
Micropump Download PDFInfo
- Publication number
- CN204476710U CN204476710U CN201520107838.0U CN201520107838U CN204476710U CN 204476710 U CN204476710 U CN 204476710U CN 201520107838 U CN201520107838 U CN 201520107838U CN 204476710 U CN204476710 U CN 204476710U
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- Prior art keywords
- pump chamber
- chamber structure
- cylinder
- micropump
- air
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Abstract
The utility model discloses a kind of micropump, it comprises cylinder, piston modules, drive module and wall body.Cylinder has relative first end and the second end along a direction.Piston modules is placed in cylinder, and piston modules comprises at least one pump chamber structure, and pump chamber structure is protruded towards the second end, and pump chamber structure can be stretched along direction.Drive module to be positioned at the second end, and connect pump chamber structure, flexible along direction for driven pump cell structure.Wall body at least partly around the position of pump chamber structure near first end, and between cylinder and pump chamber structure.The micropump that the utility model provides, can make the outer side wall of pump chamber structure and the madial wall of cylinder separate, to reach the effect avoiding pump chamber structure to be worn.
Description
Technical field
The utility model relates to a kind of micropump.
Background technique
Micropump is the pump that a kind of volume is tiny.Due to the cause that volume is tiny, wherein used motor also can only be lower-powered motor.Therefore, the quality that the valve unit of micropump and compression unit design, the efficiency for micropump has critical impact.
Traditionally, micropump has piston modules and cylinder, and piston modules is positioned among cylinder, and operationally, the pump chamber of piston modules is driven and is elongated shortening.But the situation occurring offseting relative to cylinder because piston modules is easy, therefore, when micropump works, the pump chamber outer wall of piston modules and the inwall of cylinder easily produce friction, cause pump chamber outer wall to break, and make micropump lose efficacy.
So how preventing the pump chamber outer wall of piston modules and the inwall of cylinder from producing and rub, is an important directions of micropump research and development.
Model utility content
A technical purpose of the present utility model is to provide a kind of micropump, and it can make the outer side wall of pump chamber structure and the madial wall of cylinder separate, to reach the effect avoiding pump chamber structure to be worn.
According to this mode of execution, a kind of micropump comprises cylinder, piston modules, drive module and wall body.Cylinder has relative first end and the second end along a direction.Piston modules is placed in cylinder, and piston modules comprises at least one pump chamber structure, and pump chamber structure is protruded towards the second end, and pump chamber structure can be stretched along direction.Drive module to be positioned at the second end, and connect pump chamber structure, flexible along direction for driven pump cell structure.Wall body at least partly around the position of pump chamber structure near first end, and between cylinder and pump chamber structure.
In the one or more mode of execution of the utility model, the structure that above-mentioned wall body and pump chamber structure are one of the forming.
In the one or more mode of execution of the utility model, above-mentioned cylinder has air cylinder board, and piston modules also comprises plat part, piston portion and inserted part.Plat part folds the side in air cylinder board towards first end, and pump chamber structure is positioned at the side of plat part towards the second end.Piston portion connects the side of pump chamber structure away from plat part.Inserted part connects the side of piston portion away from pump chamber structure, drives model calling inserted part, and driven pump cell structure is flexible along direction.
In the one or more mode of execution of the utility model, above-mentioned air cylinder board also has at least one inlet hole.
In the one or more mode of execution of the utility model, above-mentioned plat part also has platform body and at least one air-intake valve plate, and air-intake valve plate connects platform body, and air-intake valve plate covers inlet hole.
In the one or more mode of execution of the utility model, above-mentioned plat part comprises multiple mounting assembly further.Be formed with the first recess between adjacent mounting assembly, each mounting assembly comprises the first assembly department and the second assembly department, and wherein, the first assembly department and the second assembly department are disposed on the outer periphery of plat part.
In the one or more mode of execution of the utility model, the first above-mentioned assembly department is provided with air-intake valve plate, and the second assembly department extends laterally from the end face of pump chamber structure and be formed with the second recess between the first assembly department and the second assembly department.
In the one or more mode of execution of the utility model, above-mentioned air cylinder board is provided with supporting portion, and shape and multiple mounting assembly structure of supporting portion are suitable.
The mode of execution that the utility model is above-mentioned and known prior art are compared, and at least have the following advantages:
(1) because wall body is at least partly around the position of pump chamber structure near first end, and between cylinder and pump chamber structure, therefore, the relative position of piston modules and cylinder is fixed, namely the situation that piston modules offsets relative to cylinder is also avoided, and, the outer side wall of pump chamber structure and the madial wall of cylinder are also separated, make when pump chamber structure is stretched along direction, the outer side wall of pump chamber structure and the madial wall of cylinder can not phase mutual friction, avoid the chance that pump chamber structure is worn.
(2) because wall body is at least partly around the position of pump chamber structure near first end, and between cylinder and pump chamber structure, the relative position of piston modules and cylinder is fixed, namely the situation that piston modules offsets relative to cylinder is also avoided, therefore, air-intake valve plate also there will not be situation about offseting relative to inlet hole, and air-intake valve plate covers and the effect closing inlet hole also can not be affected.
Accompanying drawing explanation
Fig. 1 is the exploded perspective figure of the micropump according to the utility model mode of execution.
Fig. 2 is the schematic perspective view of the piston modules of Fig. 1.
Fig. 3 is the piston modules of Fig. 1 and the assembling section of cylinder.
Fig. 4 is the partial enlarged drawing of the piston modules of Fig. 3.
Fig. 5 is the schematic perspective view of the cylinder of Fig. 1.
Fig. 6 is the plan view of the piston modules of Fig. 2.
Embodiment
Below will disclose multiple mode of execution of the present utility model with accompanying drawing, as clearly stated, many concrete details will be explained in the following description.But should be appreciated that, these concrete details shall not be applied to restriction the utility model.That is, in the utility model some embodiments, these concrete details are non-essential.In addition, for simplifying for the purpose of accompanying drawing, some existing usual structures and assembly represent in the mode simply illustrated in the accompanying drawings.
Unless otherwise defined, all vocabulary used herein (comprising technology and scientific terminology) has its common meaning, and its meaning can be readily appreciated by one skilled in the art.Further, the definition of above-mentioned vocabulary in generally conventional dictionary, should be read as the meaning consistent with the utility model association area in the content of this specification.Unless there are especially clearly defining, these vocabulary will not be interpreted as Utopian or too formal meaning.
Please refer to Fig. 1 ~ 4.Fig. 1 is the exploded perspective figure of the micropump 100 according to the utility model mode of execution.Fig. 2 is the schematic perspective view of the piston modules 120 of Fig. 1.Fig. 3 is the piston modules 120 of Fig. 1 and the assembling section of cylinder 110.Fig. 4 is the partial enlarged drawing of the piston modules 120 of Fig. 3.
As shown in figures 1-4, micropump 100 comprises cylinder 110, piston modules 120, drives module 130 and wall body 140.Cylinder 110 has relative first end 111 and the second end 112 along direction Z.Piston modules 120 is placed in cylinder 110, and piston modules 120 comprises at least one pump chamber structure 121, and pump chamber structure 121 is protruded towards the second end 112, and pump chamber structure 121 can be stretched along direction Z.Drive module 130 to be positioned at the second end 112, and connect pump chamber structure 121, stretch along direction Z for driven pump cell structure 121.Wall body 140 at least partly around the position of pump chamber structure 121 near first end 111, and between cylinder 110 and pump chamber structure 121.
That is, because wall body 140 is at least partly around the position of pump chamber structure 121 near first end 111, and between cylinder 110 and pump chamber structure 121, therefore, piston modules 120 is fixed with the relative position of cylinder 110, namely the situation that piston modules 120 offsets relative to cylinder 110 is also avoided, and, the outer side wall of pump chamber structure 121 and the madial wall of cylinder 110 are also separated, make when pump chamber structure 121 is stretched along direction Z, the outer side wall of pump chamber structure 121 and the madial wall of cylinder 110 can not phase mutual friction, avoid the chance that pump chamber structure 121 is worn.
In the present embodiment, the structure that wall body 140 and pump chamber structure 121 also can be one of the forming, but the utility model is not as limit.
More particularly, cylinder 110 has air cylinder board 113, and piston modules 120 also comprises plat part 122, piston portion 123 and inserted part 124.Plat part 122 folds the side in air cylinder board 113 towards first end 111, and pump chamber structure 121 is positioned at the side of plat part 122 towards the second end 112.Piston portion 123 connects the side of pump chamber structure 121 away from plat part 122.Inserted part 124 connects the side of piston portion 123 away from pump chamber structure 121, drive module 130 to connect inserted part 124, and driven pump cell structure 121 stretches along direction Z.
Furthermore, suppose that the width of wall body 140 is d, the internal diameter of pump chamber structure 121 is D, and the wall thickness of pump chamber structure 121 is T, and in the application of reality, the internal diameter of cylinder 110 then should equal or slightly larger than D+T × 2+d × 2.Be noted that the wall thickness T of pump chamber structure 121 should be not excessive, to avoid, in pump chamber structure 121 process flexible along direction Z, occurring the outer side wall of pump chamber structure 121 and the situation of the outer wall phase mutual friction of piston portion 123, causing pump chamber structure 121 to be worn.
As shown in Figure 2, plat part 122 comprises multiple mounting assembly 1221 further.The first recess R1 is formed between adjacent mounting assembly 1221, each mounting assembly 1221 comprises the first assembly department 1221a and the second assembly department 1221b, wherein, the first assembly department 1221a and the second assembly department 1221b is disposed on the outer periphery of plat part 122.
Moreover the first assembly department 1221a is provided with air-intake valve plate 126, the second assembly department 1221b extends laterally from the end face of pump chamber structure 121 and be formed with the second recess R2 between the first assembly department 1221a and the second assembly department 1221b.
Please refer to Fig. 5, it is the schematic perspective view of the cylinder 110 of Fig. 1.As shown in Figure 5, air cylinder board 113 is provided with supporting portion 115, the shape of supporting portion 115 and multiple mounting assemblys 1221 structure of piston modules 120 suitable.Thus, when micropump 100 operates, piston modules 120 also can not be rotated relative to cylinder 110, and piston modules 120 can be fixed with the relative position of cylinder 110.
Moreover air cylinder board 113 also has at least one inlet hole 114.Go back to Fig. 2, the plat part 122 of piston modules 130 also has platform body 125 and at least one air-intake valve plate 126, and air-intake valve plate 126 connects platform body 125, and accordingly, air-intake valve plate 126 covers and closes inlet hole 114.As mentioned above, because wall body 140 is at least partly around the position of pump chamber structure 121 near first end 111, and between cylinder 110 and pump chamber structure 121, piston modules 120 is fixed with the relative position of cylinder 110, namely the situation that piston modules 120 offsets relative to cylinder 110 is also avoided, therefore, air-intake valve plate 126 also there will not be situation about offseting relative to inlet hole 114, and air-intake valve plate 126 covers and the effect closing inlet hole 114 also can not be affected.
Go back to Fig. 2.As shown in Figure 2, pump chamber structure 121 has pump chamber 127, and micropump 100 also comprises sealed department 150.Sealed department 150 surrounds into a circle and is arranged at the side of plat part 122 towards first end 111, and pump chamber 127 and air-intake valve plate 126 are arranged in the inner edge of sealed department 150.And as shown in Figure 2, sealed department 150 is not arranged between pump chamber 127 and air-intake valve plate 126 on plat part 122.
Go back to Fig. 1.As shown in Figure 1, micropump 100 also comprises pressing plate 160.The side in plat part 122 towards first end 111 folded by pressing plate 160, and pressing plate 160 has multiple exhaust port 161, the corresponding pump chamber 127 in its position.As mentioned above, owing to there is not sealed department 150 between pump chamber 127 and air-intake valve plate 126, therefore, when piston modules 120 is assembled between pressing plate 160 and cylinder 110, pressing plate 160 can not apply excessive pressure to the local location of plat part 122 between pump chamber 127 and air-intake valve plate 126, and the local location of plat part 122 between pump chamber 127 and air-intake valve plate 126 more can not be caused to be out of shape and to make air-intake valve plate 126 produce the phenomenon of being out of shape and tilting.Thus, the sealing of micropump 100 is maintained.
As shown in Figure 1, micropump 100 also comprises exhaust valve plate 170.Exhaust valve plate 170 connects the side of pressing plate 160 towards first end 111, and the corresponding exhaust port 161 in position.
Please refer to Fig. 6, it is the plan view of the piston modules 120 of Fig. 2.As shown in Figure 6, air-intake valve plate 126 has root 126a and edge 126b.Root 126a connects platform body 125, and air-intake valve plate 126 can tilt towards first end 111 according to root 126a.Edge 126b is made up of two straightway 126b1, two bending section 126b2 and arc section 126b3, and wherein two straightway 126b1 connect the opposite end of root 126a respectively, two bending section 126b2 connect straightway 126b1 and arc section 126b3 connecting bending tune 126b2 respectively.
That is, between arc section 126b3 and root 126a, only there is straightway 126b1 and bending section 126b2, therefore, the distance of arc section 126b3 and root 126a can effectively shorten.Thus, the moment of flexure that air-intake valve plate 126 produces according to root 126a also can effectively reduce, and avoids air-intake valve plate 126 because of stressed excessive and be out of shape tilting, also makes air-intake valve plate 126 effectively can cover and close inlet hole 114.
Moreover as shown in Figure 6, the root 126a opposite edges 126b of air-intake valve plate 126 is near pump chamber structure 121.
In sum, the technical solution of the utility model compared with prior art has obvious advantage and beneficial effect.By technique scheme, can reach suitable technological progress, and have the extensive value in industry, it at least has the following advantages:
(1) because wall body is at least partly around the position of pump chamber structure near first end, and between cylinder and pump chamber structure, therefore, the relative position of piston modules and cylinder is fixed, namely the situation that piston modules offsets relative to cylinder is also avoided, and, the outer side wall of pump chamber structure and the madial wall of cylinder are also separated, make when pump chamber structure is stretched along direction, the outer side wall of pump chamber structure and the madial wall of cylinder can not phase mutual friction, avoid the chance that pump chamber structure is worn.
(2) because wall body is at least partly around the position of pump chamber structure near first end, and between cylinder and pump chamber structure, the relative position of piston modules and cylinder is fixed, namely the situation that piston modules offsets relative to cylinder is also avoided, therefore, air-intake valve plate also there will not be situation about offseting relative to inlet hole, and air-intake valve plate covers and the effect closing inlet hole also can not be affected.
Although the utility model with mode of execution openly as above; so it is not intended to limit the utility model; any those skilled in the art; not departing from spirit and scope of the present utility model; can do various different selection and amendment, therefore protection domain of the present utility model limited by claims and equivalents thereof.
Claims (8)
1. a micropump, is characterized in that, described micropump comprises:
Cylinder, it has relative first end and the second end along a direction;
Piston modules, it is placed in described cylinder, and described piston modules comprises at least one pump chamber structure, and it protrudes towards described second end, and described pump chamber structure can be stretched along described direction;
Drive module, it is positioned at described second end, and connects described pump chamber structure, for driving described pump chamber structure flexible along described direction; And
Wall body, it is at least partly around the position of described pump chamber structure near described first end, and between described cylinder and described pump chamber structure.
2. micropump as claimed in claim 1, is characterized in that, the structure that described wall body and described pump chamber structure are one of the forming.
3. micropump as claimed in claim 1, it is characterized in that, described cylinder has air cylinder board, and described piston modules also comprises:
Plat part, it folds the side in described air cylinder board towards described first end, and described pump chamber structure is positioned at the side of described plat part towards described second end;
Piston portion, it connects the side of described pump chamber structure away from described plat part; And
Inserted part, it connects the side of described piston portion away from described pump chamber structure, inserted part described in described drive model calling, and drives described pump chamber structure flexible along described direction.
4. micropump as claimed in claim 3, it is characterized in that, described air cylinder board also has at least one inlet hole.
5. micropump as claimed in claim 4, it is characterized in that, described plat part also has platform body and at least one air-intake valve plate, and described air-intake valve plate connects described platform body, and described air-intake valve plate covers described inlet hole.
6. micropump as claimed in claim 3, it is characterized in that, described plat part comprises further:
Multiple mounting assembly, is formed with the first recess between adjacent mounting assembly, each mounting assembly comprises the first assembly department and the second assembly department, and wherein, described first assembly department and described second assembly department are disposed on the outer periphery of described plat part.
7. micropump as claimed in claim 6, it is characterized in that, described first assembly department is provided with air-intake valve plate, and described second assembly department extends laterally from the end face of described pump chamber structure and be formed with the second recess between the first assembly department and the second assembly department.
8. micropump as claimed in claim 7, it is characterized in that, described air cylinder board is provided with supporting portion, and shape and described multiple mounting assembly structure of described supporting portion are suitable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520107838.0U CN204476710U (en) | 2015-02-13 | 2015-02-13 | Micropump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520107838.0U CN204476710U (en) | 2015-02-13 | 2015-02-13 | Micropump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204476710U true CN204476710U (en) | 2015-07-15 |
Family
ID=53632504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520107838.0U Expired - Fee Related CN204476710U (en) | 2015-02-13 | 2015-02-13 | Micropump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204476710U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105986991A (en) * | 2015-02-13 | 2016-10-05 | 科际精密股份有限公司 | Micro pump |
-
2015
- 2015-02-13 CN CN201520107838.0U patent/CN204476710U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105986991A (en) * | 2015-02-13 | 2016-10-05 | 科际精密股份有限公司 | Micro 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: 20150715 Termination date: 20190213 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |