CN202746177U - Multiple-curved-surface membrane protection plate - Google Patents
Multiple-curved-surface membrane protection plate Download PDFInfo
- Publication number
- CN202746177U CN202746177U CN 201220352437 CN201220352437U CN202746177U CN 202746177 U CN202746177 U CN 202746177U CN 201220352437 CN201220352437 CN 201220352437 CN 201220352437 U CN201220352437 U CN 201220352437U CN 202746177 U CN202746177 U CN 202746177U
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- diaphragm
- support plate
- diaphragm support
- curved
- membrane
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Abstract
The utility model discloses a membrane protection plate of a mechanical membrane type metering pump, and particularly relates to a multiple-curved-surface membrane protection plate. The multiple-curved-surface membrane protection plate comprises a membrane support plate mated with a composite membrane to work, wherein the composite membrane and the membrane support plate are provided with opposite plane parts, and the part of the composite membrane, which is in contact with the edge of the membrane support plate, is provided with a raised curved surface part; and the edge of the membrane support plate is provided with a downward concave curved surface structure matched with the raised curved surface part of the composite membrane. According to the multiple-curved-surface membrane protection plate, the sliding friction of the composite membrane and the membrane support plate can be reduced, and further the abrasion of the composite membrane is reduced, the service life of the composite membrane is prolonged, the elastic deformation of the composite membrane can be efficiently reduced, and the discharge precision is enhanced.
Description
Technical field
The utility model is the diaphragm cuticula plate member about mechanical diaphragm type metering pump, and particularly a kind of edge of diaphragm support plate has many curved surfaces diaphragm cuticula plate of the recessed curved-surface structure that matches with the protruding curved portion of compound film sheet.
Background technique
Mechanical diaphragm type metering pump is because of simple in structure, and antiseptic property is superior, good seal performance, and low cost and other advantages is used widely.The mechanical diaphragm supporting plate is used for mechanical diaphragm type metering pump, the mechanical diaphragm supporting plate generally has two kinds of structures, a kind of is that pure teflon forms through the typing mold pressing, another kind of structure is that teflon and rubber bound are composited, inner pre-buried steel liner plate, comparatively speaking, rear a kind of structure using scope is wider.
But traditional mechanical diaphragm supporting plate has some defectives, and when superpressure slightly, the compound film sheet in the mechanical diaphragm supporting plate easily damages, because the compound film sheet pressurized produces deformation, and produce sliding friction between meeting and the diaphragm support plate, and compound film sheet also can make the discharge capacity precision reduce because of compressive deformation.
The model utility content
Main purpose of the present utility model is to overcome deficiency of the prior art, and a kind of wearing and tearing that can reduce compound film sheet are provided, and makes the more stable many curved surfaces diaphragm cuticula plate of discharge capacity precision.For solving the problems of the technologies described above, solution of the present utility model is:
A kind of many curved surfaces diaphragm cuticula plate is provided, comprise the diaphragm support plate with the compound film sheet cooperating, described compound film sheet has relative planar section with diaphragm support plate, and compound film sheet has the curved portion that is projection at the side edge place with diaphragm support plate, the edge of described diaphragm support plate has the recessed curved-surface structure that matches with the protruding curved portion of compound film sheet.
As further improvement, the surface curve radian of the recessed curved-surface structure at described diaphragm support plate edge is 44 °～47 °.
As further improvement, be the smooth curve transition between the recessed curved-surface structure at described diaphragm support plate edge and the planar section of diaphragm support plate.
As further improvement, the radian of described smooth curve is 44 °～47 °.
As further improvement, be the smooth curve transition between the recessed curved-surface structure at described diaphragm support plate edge and the vertical side edge of diaphragm support plate.
As further improvement, the radian of described smooth curve is 19 °～20 °.
As further improvement, between the recessed curved-surface structure at described diaphragm support plate edge and the vertical side edge of diaphragm support plate an inclined-plane is arranged, be the smooth curve transition between recessed curved-surface structure and vertical side edge and this inclined-plane.
As further improvement, the radian of described smooth curve is 60 °～70 °.
As further improvement, the hole of perforation is established in the center of described diaphragm support plate, and intermediate bar is sheathed in this hole; One of intermediate bar is terminated at the center of the diaphragm iron core that is located at compound film sheet inside, and the other end is bolted in the screw on the crosshead; Sheathed bullet pad on the intermediate bar between diaphragm support plate and the crosshead.
As further improvement, the diameter of described diaphragm iron core and the diameter ratio of compound film sheet are 0.40～0.45, and the diameter of diaphragm iron core and the diameter ratio of diaphragm support plate are 0.54～0.60.
Compared with prior art, the beneficial effects of the utility model are:
1, makes and have less sliding friction between compound film sheet and the diaphragm support plate, greatly reduce the wearing and tearing of compound film sheet, thereby prolong the life-span of compound film sheet.
2, can effectively reduce the elastic deformation amount of compound film sheet, improve the discharge capacity precision.
Description of drawings
Fig. 1 is many curved surfaces of the utility model diaphragm cuticula composition that hardens.
Fig. 2 is the former diaphragm cuticula composition that hardens.
Fig. 3 is the enforcement illustration of many curved surfaces of the utility model diaphragm cuticula plate.
Fig. 4 is the concave surface curved-surface structure partial enlarged drawing of many curved surfaces of the utility model diaphragm cuticula plate.
Reference character among the figure is: 1 compound film sheet; 2 diaphragm support plates; 3 diaphragm iron cores; 4 bullet pads; 5 intermediate bars; 6 crossheads; 7 one-way valves; 8 pump heads; 9 media cavity.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described in further detail:
Among Fig. 1, many curved surfaces diaphragm cuticula plate comprises the diaphragm support plate 2 with compound film sheet 1 cooperating, described compound film sheet 1 has relative planar section with diaphragm support plate 2, and compound film sheet 1 has the curved portion that is projection at the side edge place with diaphragm support plate 2, the edge of described diaphragm support plate 2 has the recessed curved-surface structure that matches with the protruding curved portion of compound film sheet 1.The surface curve radian of the recessed curved-surface structure at described diaphragm support plate 2 edges is 44 °～47 °, the concave surface curved surface can effectively reduce the elastic deformation amount of compound film sheet 1, so that the sliding friction between compound film sheet 1 and the diaphragm support plate 2 reduces, so greatly reduce the wearing and tearing of compound film sheet 1, prolong the working life of compound film sheet 1, also because compound film sheet 1 amount of deformation reduces, improve the discharge capacity precision simultaneously.
Be the smooth curve transition between the recessed curved-surface structure at described diaphragm support plate 2 edges and the planar section of diaphragm support plate 2, the radian of this smooth curve is 44 °～47 °.Be the smooth curve transition between the recessed curved-surface structure at described diaphragm support plate 2 edges and the vertical side edge of diaphragm support plate 2, the radian of this smooth curve is 19 °～20 °.Between the recessed curved-surface structure at described diaphragm support plate 2 edges and the vertical side edge of diaphragm support plate 2 inclined-plane is arranged, be the smooth curve transition between recessed curved-surface structure and vertical side edge and this inclined-plane, the radian of this smooth curve is 60 °～70 °.
The hole of perforation is established in the center of described diaphragm support plate 2, and intermediate bar 5 is sheathed in this hole; One of intermediate bar 5 is terminated at the center of the diaphragm iron core 3 that is located at compound film sheet 1 inside, and the other end is bolted in the screw on the crosshead 6; Sheathed bullet pad 4 on the intermediate bar 5 between diaphragm support plate 2 and the crosshead 6.
The diameter ratio of the diameter of described diaphragm iron core 3 and compound film sheet 1 is 0.40～0.45, and the diameter ratio of the diameter of diaphragm iron core 3 and diaphragm support plate 2 is 0.54～0.60.
Among Fig. 2, during the work of many curved surfaces diaphragm cuticula plate, when 7 one unlatchings of one-way valve, when another is closed, liquid enters media cavity 9 and the pressure rising, compound film sheet 1 produces elastic strain to diaphragm support plate 2 under the effect of pressure, the convex surface of compound film sheet 1 is adjacent to the concave surface curved sections in the diaphragm support plate 2.Close when the one-way valve 7 of original unlatching, when the one-way valve of originally closing 7 is opened, discharge liquid, media cavity 9 pressure decreaseds, compound film sheet 1 under the effect of pressure to producing elastic strain, then these processes of reciprocation cycle away from diaphragm support plate 2.
Certainly, only for using and mechanical diaphragm type metering pump, just a specific embodiment not can be used in other the device this many curved surfaces diaphragm cuticula plate yet.Such conversion all drops within the protection domain of the present utility model.
Claims (10)
1. the cuticula of curved surface diaphragm more than kind plate, comprise the diaphragm support plate with the compound film sheet cooperating, described compound film sheet has relative planar section with diaphragm support plate, and compound film sheet has the curved portion that is projection at the side edge place with diaphragm support plate, it is characterized in that, the edge of described diaphragm support plate has the recessed curved-surface structure that matches with the protruding curved portion of compound film sheet.
2. many curved surfaces diaphragm cuticula plate according to claim 1 is characterized in that the surface curve radian of the recessed curved-surface structure at described diaphragm support plate edge is 44 °～47 °.
3. many curved surfaces diaphragm cuticula plate according to claim 1 is characterized in that, is the smooth curve transition between the recessed curved-surface structure at described diaphragm support plate edge and the planar section of diaphragm support plate.
4. many curved surfaces diaphragm cuticula plate according to claim 3 is characterized in that the radian of described smooth curve is 44 °～47 °.
5. many curved surfaces diaphragm cuticula plate according to claim 1 is characterized in that, is the smooth curve transition between the recessed curved-surface structure at described diaphragm support plate edge and the vertical side edge of diaphragm support plate.
6. many curved surfaces diaphragm cuticula plate according to claim 5 is characterized in that the radian of described smooth curve is 19 °～20 °.
7. many curved surfaces diaphragm cuticula plate according to claim 1, it is characterized in that, between the recessed curved-surface structure at described diaphragm support plate edge and the vertical side edge of diaphragm support plate an inclined-plane is arranged, be the smooth curve transition between recessed curved-surface structure and vertical side edge and this inclined-plane.
8. many curved surfaces diaphragm cuticula plate according to claim 7 is characterized in that the radian of described smooth curve is 60 °～70 °.
9. according to claim 1 to the many curved surfaces diaphragm cuticula plate described in 8 any one, it is characterized in that, the hole of perforation is established in the center of described diaphragm support plate, and intermediate bar is sheathed in this hole; One of intermediate bar is terminated at the center of the diaphragm iron core that is located at compound film sheet inside, and the other end is bolted in the screw on the crosshead; Sheathed bullet pad on the intermediate bar between diaphragm support plate and the crosshead.
10. many curved surfaces diaphragm cuticula plate according to claim 9 is characterized in that the diameter of described diaphragm iron core and the diameter ratio of compound film sheet are 0.40～0.45, and the diameter of diaphragm iron core and the diameter ratio of diaphragm support plate are 0.54～0.60.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220352437 CN202746177U (en) | 2012-04-08 | 2012-07-19 | Multiple-curved-surface membrane protection plate |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210099392.2 | 2012-04-08 | ||
| CN201210099392 | 2012-04-08 | ||
| CN 201220352437 CN202746177U (en) | 2012-04-08 | 2012-07-19 | Multiple-curved-surface membrane protection plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202746177U true CN202746177U (en) | 2013-02-20 |
Family
ID=47053365
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210251078.1A Active CN102758771B (en) | 2012-04-08 | 2012-07-19 | Multi-curved surface diaphragm protective plate |
| CN 201220352437 Expired - Fee Related CN202746177U (en) | 2012-04-08 | 2012-07-19 | Multiple-curved-surface membrane protection plate |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210251078.1A Active CN102758771B (en) | 2012-04-08 | 2012-07-19 | Multi-curved surface diaphragm protective plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN102758771B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102758771A (en) * | 2012-04-08 | 2012-10-31 | 杭州大潮石化设备有限公司 | Multi-curved surface diaphragm protective plate |
| CN103711683A (en) * | 2014-01-17 | 2014-04-09 | 沈阳工程学院 | Diaphragm sheet for supercritical diaphragm pump |
| CN106438304A (en) * | 2016-08-29 | 2017-02-22 | 邢天宜 | Metal corrugated pipe type membrane for membrane pump and membrane pump provided with membrane |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105089986A (en) * | 2014-05-20 | 2015-11-25 | 蔡应麟 | Improved balance wheel structure of five-booster-cavity diaphragm pump |
| TWI588364B (en) * | 2014-10-20 | 2017-06-21 | 徐兆火 | Eccentric roundel structure for three-compressing-chamber diaphragm pump |
| TWI588365B (en) * | 2014-10-20 | 2017-06-21 | 徐兆火 | Eccentric roundel structure for four-booster chamber diaphragm pump |
| CN105736327A (en) * | 2014-12-10 | 2016-07-06 | 西安航空动力控制科技有限公司 | Novel oil cavity diaphragm for fuel diaphragm pump |
| CN108521784B (en) * | 2017-09-28 | 2021-10-08 | 深圳市大疆创新科技有限公司 | Pump device and plant protection unmanned aerial vehicle with same |
| CN208950819U (en) * | 2018-09-30 | 2019-06-07 | 深圳市大疆软件科技有限公司 | Diaphragm pump and agriculture unmanned plane |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4238992A (en) * | 1978-10-30 | 1980-12-16 | Wilden Pump & Engineering Co. | Pump diaphragm |
| DE3931516C2 (en) * | 1989-09-21 | 1993-10-14 | Ott Kg Lewa | Diaphragm pump with a mechanically driven diaphragm |
| DE4007932A1 (en) * | 1990-03-13 | 1991-09-19 | Knf Neuberger Gmbh | Long service life diaphragm pump |
| DE19906317C1 (en) * | 1999-02-16 | 2000-10-19 | Knf Flodos Ag Sursee | Diaphragm pump |
| CN2491620Y (en) * | 2001-07-31 | 2002-05-15 | 李雄 | Efficiency metering diaphragm pump |
| CN201003477Y (en) * | 2007-01-30 | 2008-01-09 | 上海江浪流体机械制造有限公司 | Diaphragm pump baffle plate |
| CN102758771B (en) * | 2012-04-08 | 2015-01-28 | 杭州大潮石化设备有限公司 | Multi-curved surface diaphragm protective plate |
-
2012
- 2012-07-19 CN CN201210251078.1A patent/CN102758771B/en active Active
- 2012-07-19 CN CN 201220352437 patent/CN202746177U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102758771A (en) * | 2012-04-08 | 2012-10-31 | 杭州大潮石化设备有限公司 | Multi-curved surface diaphragm protective plate |
| CN102758771B (en) * | 2012-04-08 | 2015-01-28 | 杭州大潮石化设备有限公司 | Multi-curved surface diaphragm protective plate |
| CN103711683A (en) * | 2014-01-17 | 2014-04-09 | 沈阳工程学院 | Diaphragm sheet for supercritical diaphragm pump |
| CN106438304A (en) * | 2016-08-29 | 2017-02-22 | 邢天宜 | Metal corrugated pipe type membrane for membrane pump and membrane pump provided with membrane |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102758771A (en) | 2012-10-31 |
| CN102758771B (en) | 2015-01-28 |
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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: 20130220 Termination date: 20150719 |
|
| EXPY | Termination of patent right or utility model |