CN103994066A - Cavity and valve integrated type reciprocation pump part - Google Patents
Cavity and valve integrated type reciprocation pump part Download PDFInfo
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- CN103994066A CN103994066A CN201410264960.9A CN201410264960A CN103994066A CN 103994066 A CN103994066 A CN 103994066A CN 201410264960 A CN201410264960 A CN 201410264960A CN 103994066 A CN103994066 A CN 103994066A
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Abstract
The invention relates to a cavity and valve integrated type reciprocation pump part. A pump cavity and a check valve are integrated into a component, and do not need the assembling process, the pump cavity and the check valve are combined with the reciprocating motion end of a reciprocation pump, a cavity piece and the like to form a sealed volume-changeable cavity, and the pumping capacity can be formed. The cavity and valve integrated type reciprocation pump part comprises a cavity wall, a sealing area, an inlet and an outlet and is characterized in that an inlet valve opening and an outlet valve opening are further included, the cavity wall comprises an inner wall face and an outer wall face, the inlet valve opening is formed between an inlet column and the inner side of the cavity wall, a radial dimension shrinkage area is arranged on one side of the outer bottom face of an outlet column, and the outlet valve opening is formed in the shrinkage area. In the work process, when the volume of the cavity is increased, the inlet valve opening is opened, the outlet valve opening is closed, and fluid enters the pump cavity. When the volume of the cavity is decreased, the inlet valve opening is closed, the outlet valve opening is opened, and the fluid flows out of the outlet valve opening. The problems that at present, a check valve in a microtype reciprocation pump is complex in assembling, and large-scale automatic production is inconvenient can be solved.
Description
Technical field
The invention belongs to fluid transportation art, be specifically related to a kind of chamber valve integrated formula reciprocating pump parts.
Background technique
Microminiature fluid pump or fan is a kind of for fluid provides the device of pressure or mobilization dynamic, and traditional small fluid pump or fan, according to different drive forms, can be divided into reciprocating, rotary and other type of pump.Reciprocating pump is as a kind of main form of the composition, its driving principle is by reciprocal change one seal chamber volume, coordinate two one-way valves that are connected with cavity to be formed as fluid the ability of power is provided, that is: in the time that cavity volume increases, inlet one-way valve is opened, outlet closed check valve, fluid flows into pump chamber from entrance; When cavity volume reduces, inlet one-way valve is closed, outlet one-way valve opens, and fluid flows out from pump chamber, completes a work cycle.Known according to its working principle; cavity is two critical components that form reciprocating pump work with the valve being connected with cavity; current individual miniaturization and production scale are developing direction of reciprocating pump; along with reducing of valve size; its assembly precision is more difficult to ensure card; cause unidirectional cutoff to be difficult for ensureing, the making of valve and the bottleneck problem that is mounted for restriction microminiature reciprocating pump performance and large-scale production.
Summary of the invention
For one-way valve assembling complexity in solving in current microminiature reciprocating pump, the low reciprocating pump performance causing of assembly precision is low and be not easy to the problem of mass automatic production, a kind of chamber valve integrated formula reciprocating pump parts have been proposed, these reciprocating pump parts are that pump chamber and one-way valve are integrated into a member, the two is without assembly process, after forming the variable volume cavity sealing, can form pumping capacity with to-and-fro motion end and the cavity part etc. of reciprocating pump, can improve the automatic production degree of microminiature reciprocating pump, and assembly precision is easy to ensure.
To achieve these goals, the present invention is by the following technical solutions:
A kind of chamber of the present invention valve integrated formula reciprocating pump parts, comprise cavity wall, seal area, entrance, outlet, characterized by further comprising inlet valve opening and outlet valve opening, wherein:
Cavity wall comprises internal face and outer wall both sides, and described internal face and fluid equipment cavity part seal by seal area, jointly form seal chamber, are furnished with entrance and exit on cavity wall;
Described entrance is one to extend into wall with interior inlet leg body structure, a bottom surface of entrance cylinder protrudes from pump housing outer wall and is called the external bottom surface of inlet leg, another bottom surface protrudes from pump housing internal face and is called entrance cylinder inner bottom surface, on the external bottom surface of described inlet leg, have an entrance counterbore, the minimum point of the bottom surface of described entrance counterbore is between internal face and entrance cylinder inner bottom surface, between described entrance counterbore bottom surface and internal face, arrange an inlet valve opening, described inlet valve opening is communicated with internal face and entrance, between inlet valve plane of the opening and entrance cylinder inner bottom surface, form an entrance cantilever beam structure, described entrance cantilever structure can occur bending and deformation under the effect of fluid, cause the opening and closing of inlet valve opening, fluid can flow into internal face one side from entrance, but can not be from internal face one effluent to inlet duct one side,
Described outlet is a column structure being connected with cavity wall, one side bottom surface of cylinder protrudes from cavity wall outer wall and is called outlet cylinder outer bottom, opposite side bottom surface overlaps with cavity inner wall face or protrudes from cavity inner wall face and is called outlet cylinder inner bottom surface, outlet cylinder outer bottom one side on outlet cylinder, be furnished with a radial contraction region, the cylinder radial dimension starting to shrinking zone cross section from outlet cylinder outer bottom reduces, described shrinking zone starts cross section between outlet cylinder outer bottom and cavity wall outer wall, described outlet cylinder inner bottom surface is arranged an outlet counterbore, described outlet counterbore minimum point starts between cross section and outlet cylinder outer bottom in shrinking zone, start to arrange between cross section an outlet valve opening in outlet counterbore minimum point and shrinking zone, described outlet valve opening one side is by outlet counterbore and cavity inner wall face institute envelope joint area, opposite side is connected with outlet is outside, between described outlet valve plane of the opening and outlet cylinder outer bottom, form an outlet cantilever beam structure, described outlet cantilever structure can occur bending and deformation under the effect of fluid, cause the opening and closing of outlet valve opening, fluid goes out from cavity inner wall face one effluent through outlet, but can not flow into cavity inner wall face one side from exporting outside,
When work, cavity part and the to-and-fro motion end of chamber of the present invention valve integrated formula reciprocating pump parts and reciprocating pump form the seal chamber that volume can alternately change jointly, in to-and-fro motion process: in the time that cavity volume increases, inlet one-way valve is opened, outlet closed check valve, fluid flows into inside cavity from entrance; In the time that cavity volume reduces, inlet one-way valve is closed, outlet one-way valve opens, and fluid flows out cavity from outlet, forms a work cycle.
Brief description of the drawings
Fig. 1 is the partial structurtes schematic diagram of a kind of chamber of the present invention valve integrated formula reciprocating pump parts.
Fig. 2 is a kind of chamber of the present invention valve integrated formula reciprocating pump parts the first angle structural representation.
Fig. 3 is a kind of chamber of the present invention valve integrated formula reciprocating pump parts the second angle structural representation.
Embodiment
With reference to Fig. 1, Fig. 2 and Fig. 3, chamber of the present invention valve integrated formula reciprocating pump parts comprise cavity wall 1, seal area 2, entrance 3, outlet 4, characterized by further comprising inlet valve opening 5 and outlet valve opening 6, wherein:
Cavity wall 1 comprises internal face 11 and outer wall 12 both sides, described internal face 11 seals by seal area 2 with fluid equipment cavity part, common formation seal chamber, on cavity wall 1, be furnished with entrance 3 and outlet 4, in order to prevent that the power unit in reciprocating pump from interfering with entrance 3 or outlet 4 in to-and-fro motion, on internal face 11, arrange a deep gouge 111, entrance 3 and outlet 4 layouts and deep gouge 111 regions, described deep gouge 111 surfaces are parts of internal face 11;
Described entrance 3 is one to extend into wall with interior inlet leg body structure, the external bottom surface 31 of inlet leg protrudes from chamber outer wall face 12, entrance cylinder inner bottom surface 32 protrudes from deep gouge 111 bottom surfaces on cavity inner wall face 11, and projecting height is less than the degree of depth of deep gouge 111, described inlet leg has an entrance counterbore 33 on external bottom surface 31, the bottom surface minimum point of described entrance counterbore 33 is on cavity inner wall face 11 between deep gouge 111 bottom surfaces and entrance cylinder inner bottom surface 32, on described entrance counterbore bottom surface and internal face 11, between deep gouge 111 bottom surfaces, arrange an inlet valve opening 5, described inlet valve opening 5 is communicated with internal face 11 1 sides and entrance counterbore 33, between inlet valve opening 5 planes and entrance cylinder inner bottom surface 32, form an entrance cantilever beam structure, described entrance cantilever structure can occur bending and deformation under the effect of fluid, cause the opening and closing of inlet valve opening 5,
Described outlet 4 is a column structure being connected with cavity wall, outlet cylinder outer bottom 41 protrudes from cavity wall outer wall 12, outlet cylinder inner bottom surface 42 overlaps with deep gouge 111 bottom surfaces on cavity inner wall face 11, outlet cylinder outer bottom 41 1 sides on outlet cylinder, be furnished with a radial contraction region 43, the cylinder radial dimension starting cross section 44 to shrinking zone from outlet cylinder outer bottom 41 reduces, described shrinking zone starts cross section 44 between outlet cylinder outer bottom 41 and cavity wall outer wall 12, described outlet cylinder inner bottom surface 42 is arranged an outlet counterbore 45, outlet counterbore minimum point starts between cross section 44 and outlet cylinder outer bottom 41 in shrinking zone, start to arrange between cross section 44 an outlet valve opening 6 in outlet counterbore minimum point and shrinking zone, described outlet valve opening 6 one sides are by outlet counterbore 45 and 11 envelope joint areas of cavity inner wall face, opposite side is connected with outlet counterbore 45, between described outlet valve opening 6 place planes and outlet cylinder outer bottom 41, form an outlet cantilever beam structure, described outlet cantilever structure can occur bending and deformation under the effect of fluid, cause the opening and closing of outlet valve opening 6.
Claims (1)
1. chamber valve integrated formula reciprocating pump parts, comprise cavity wall (1), seal area (2), entrance (3), outlet (4), characterized by further comprising inlet valve opening (5) and outlet valve opening (6), wherein:
Described cavity wall (1) comprises internal face (11) and outer wall (12) both sides, and described internal face (11) seals by seal area (2) with fluid equipment cavity part;
Described entrance (3) is one to extend into the inner inlet leg body structure of cavity wall (11), the external bottom surface of inlet leg (31) protrudes from chamber outer wall face (12), entrance cylinder inner bottom surface (32) protrudes from cavity inner wall face (11), on described cylinder outer bottom, have an entrance counterbore (33), the minimum point of the bottom surface of described entrance counterbore (33) is positioned between internal face (11) and entrance cylinder inner bottom surface (32), between described entrance counterbore bottom surface and internal face (11), arrange at least one inlet valve opening (5), described inlet valve opening (5) is communicated with internal face (11) one sides and entrance counterbore (33),
Described outlet (4) is a column structure being connected with cavity wall, outlet cylinder outer bottom (41) protrudes from the outer wall (12) of cavity wall, outlet cylinder inner bottom surface (42) overlaps with cavity wall internal face (11) or protrudes from cavity inner wall face (11), outlet cylinder outer bottom (41) one sides on outlet cylinder, be furnished with a radial dimension constriction zone (43), described radial dimension constriction zone (43) is to start to shrinking zone the region that the cylinder radial dimension cross section (44) reduces from outlet cylinder outer bottom (41), described constriction zone starts cross section (44) and is positioned between cavity wall outer wall (12) and outlet cylinder outer bottom (41), described outlet cylinder inner bottom surface (42) is arranged an outlet counterbore (45), outlet counterbore minimum point is positioned at shrinking zone and starts between cross section (44) and outlet cylinder outer bottom (41), start to arrange between cross section (44) an outlet valve opening (6) in outlet counterbore minimum point and shrinking zone, described outlet valve opening (6) one sides are connected with cavity inner wall face (11) envelope district by outlet counterbore (45), opposite side is connected with outlet counterbore (45).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410264960.9A CN103994066B (en) | 2014-06-16 | 2014-06-16 | The valve integrated formula reciprocation pump parts in a kind of chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410264960.9A CN103994066B (en) | 2014-06-16 | 2014-06-16 | The valve integrated formula reciprocation pump parts in a kind of chamber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103994066A true CN103994066A (en) | 2014-08-20 |
| CN103994066B CN103994066B (en) | 2016-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410264960.9A Active CN103994066B (en) | 2014-06-16 | 2014-06-16 | The valve integrated formula reciprocation pump parts in a kind of chamber |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4944659A (en) * | 1987-01-27 | 1990-07-31 | Kabivitrum Ab | Implantable piezoelectric pump system |
| JPH0331589A (en) * | 1989-06-27 | 1991-02-12 | Mitsubishi Kasei Corp | Vibrator pump |
| JPH07301180A (en) * | 1994-05-02 | 1995-11-14 | Tosoh Corp | Piezoelectric pump |
| CN1467376A (en) * | 2002-06-03 | 2004-01-14 | ������������ʽ���� | Pump |
| CN202493404U (en) * | 2011-11-15 | 2012-10-17 | 林淑媛 | A piezoelectric pump |
| CN202574604U (en) * | 2012-05-07 | 2012-12-05 | 浙江师范大学 | Piezoelectric hydraulic efficiency propulsion unit |
| CN203867870U (en) * | 2014-06-16 | 2014-10-08 | 吉林大学 | Cavity-valve integrated reciprocating pump component |
-
2014
- 2014-06-16 CN CN201410264960.9A patent/CN103994066B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4944659A (en) * | 1987-01-27 | 1990-07-31 | Kabivitrum Ab | Implantable piezoelectric pump system |
| JPH0331589A (en) * | 1989-06-27 | 1991-02-12 | Mitsubishi Kasei Corp | Vibrator pump |
| JPH07301180A (en) * | 1994-05-02 | 1995-11-14 | Tosoh Corp | Piezoelectric pump |
| CN1467376A (en) * | 2002-06-03 | 2004-01-14 | ������������ʽ���� | Pump |
| CN202493404U (en) * | 2011-11-15 | 2012-10-17 | 林淑媛 | A piezoelectric pump |
| CN202574604U (en) * | 2012-05-07 | 2012-12-05 | 浙江师范大学 | Piezoelectric hydraulic efficiency propulsion unit |
| CN203867870U (en) * | 2014-06-16 | 2014-10-08 | 吉林大学 | Cavity-valve integrated reciprocating pump component |
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| Publication number | Publication date |
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| CN103994066B (en) | 2016-06-08 |
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