CN202746173U - Diaphragm for pneumatic diaphragm pump - Google Patents
Diaphragm for pneumatic diaphragm pump Download PDFInfo
- Publication number
- CN202746173U CN202746173U CN 201220192275 CN201220192275U CN202746173U CN 202746173 U CN202746173 U CN 202746173U CN 201220192275 CN201220192275 CN 201220192275 CN 201220192275 U CN201220192275 U CN 201220192275U CN 202746173 U CN202746173 U CN 202746173U
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- CN
- China
- Prior art keywords
- diaphragm
- pneumatic drive
- pump
- conical cavity
- membrane
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Reciprocating Pumps (AREA)
- Diaphragms And Bellows (AREA)
Abstract
The utility model discloses a diaphragm for a pneumatic diaphragm pump. The diaphragm comprises a disk-shaped diaphragm body, wherein a conical cavity is arranged on the inner lateral surface of the diaphragm body; a diaphragm fixing core is embedded into the conical cavity; and a counter bore allowing the rotating of center shaft is formed in the mounting surface of the diaphragm fixing core. The diaphragm disclosed by the utility model is simple in structure and reasonable in design; and according to the diaphragm, liquid can be prevented from be contacted with the center shaft, and thus the risks of inflammability and explosiveness are avoided; and a starting diaphragm can be used for oil and chemical engineering with high corrosiveness such as sulfuric acid and foods.
Description
Technical field:
The utility model relates generally to the membrane pump with pneumatic drive technical field, relates in particular to a kind of diaphragm for membrane pump with pneumatic drive.
Background technique:
Diaphragm in the membrane pump with pneumatic drive is the main working parts of membrane pump with pneumatic drive, and membrane pump with pneumatic drive is to utilize diaphragm that the pump housing is separated into two cavitys, a liquid container and an air cavity.The neutral position of diaphragm is to connect central shaft, is transported to the power that the pressurized air in the membrane pump with pneumatic drive provides, and acts on the diaphragm by central shaft, and diaphragm is swung.
Diaphragm in the prior art and the assembling mode between the central shaft are to be threaded connection.Easily there is the defective of leakage in this Placement, so, when being used for sulfuric acid, pigment, food etc., membrane pump with pneumatic drive makes, there is inflammable, explosive danger.
The model utility content:
The utility model purpose is exactly in order to remedy the defective of prior art, a kind of diaphragm for membrane pump with pneumatic drive to be provided, and it can prevent liquid contact center axle, does not have inflammable and explosive danger.
The utility model is achieved through the following technical solutions:
A kind of diaphragm for membrane pump with pneumatic drive is characterized in that: include the membrane body of dish type, the inner side surface of membrane body is provided with conical cavity, is embedded with the diaphragm fixed core in the conical cavity, and the attachment face of diaphragm fixed core is provided with the counterbore for the spinning central shaft.
A kind of diaphragm for membrane pump with pneumatic drive is characterized in that: the annular outer rim of described membrane body is retaining ring, and the annular inner wall of retaining ring is provided with annular protrusion.
A kind of diaphragm for membrane pump with pneumatic drive is characterized in that: be provided with arc-shaped transition section between described membrane body conical cavity and the retaining ring, the annular inner wall of arc-shaped transition section is provided with some roads stiffening rib.
A kind of diaphragm for membrane pump with pneumatic drive is characterized in that: the annular outer wall of described membrane body is provided with polytetrafluoroethylene floor.
Owing to being provided with polytetrafluoroethylene floor and having anticorrosive, resistant to elevated temperatures effect, so, use the membrane pump with pneumatic drive of this diaphragm can be used for sulfuric acid, food etc. and have oils and the chemical of highly corrosive.
Because the axle head of central shaft is directly to be inserted in the corresponding counterbore, can avoid fluid seepage, has prolonged the working life of membrane pump with pneumatic drive.
The utility model has the advantages that:
The utility model is simple in structure, and is reasonable in design, can prevent liquid contact center axle, do not have inflammable and explosive danger, can make to start diaphragm pump has highly corrosive for sulfuric acid, food etc. oils and chemical.
Description of drawings:
Fig. 1 is STRUCTURE DECOMPOSITION figure of the present utility model.
Fig. 2 is A section enlarged view.
Embodiment:
Referring to accompanying drawing.
A kind of diaphragm for membrane pump with pneumatic drive includes the membrane body 1 of dish type, and the inner side surface of membrane body 1 is provided with conical cavity 8, is embedded with diaphragm fixed core 2 in the conical cavity, and the attachment face of diaphragm fixed core 2 is provided with the counterbore 3 for the spinning central shaft.
The annular outer rim of membrane body 1 is retaining ring 4, and the annular inner wall of retaining ring 4 is provided with annular protrusion 5.
Be provided with arc-shaped transition section 6 between membrane body 1 conical cavity and the retaining ring 4, the annular inner wall of arc-shaped transition section 6 is provided with some roads stiffening rib 7.
The annular outer wall of membrane body 1 is provided with polytetrafluoroethylene floor 9.
Claims (4)
1. diaphragm that is used for membrane pump with pneumatic drive, it is characterized in that: include the membrane body of dish type, the inner side surface of membrane body is provided with conical cavity, is embedded with the diaphragm fixed core in the conical cavity, and the attachment face of diaphragm fixed core is provided with the counterbore for the spinning central shaft.
2. a kind of diaphragm for membrane pump with pneumatic drive according to claim 1, it is characterized in that: the annular outer rim of described membrane body is retaining ring, and the annular inner wall of retaining ring is provided with annular protrusion.
3. a kind of diaphragm for membrane pump with pneumatic drive according to claim 2, it is characterized in that: be provided with arc-shaped transition section between described membrane body conical cavity and the retaining ring, the annular inner wall of arc-shaped transition section is provided with some roads stiffening rib.
4. a kind of diaphragm for membrane pump with pneumatic drive according to claim 1, it is characterized in that: the annular outer wall of described membrane body is provided with polytetrafluoroethylene floor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220192275 CN202746173U (en) | 2012-04-28 | 2012-04-28 | Diaphragm for pneumatic diaphragm pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220192275 CN202746173U (en) | 2012-04-28 | 2012-04-28 | Diaphragm for pneumatic diaphragm pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202746173U true CN202746173U (en) | 2013-02-20 |
Family
ID=47705575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220192275 Expired - Fee Related CN202746173U (en) | 2012-04-28 | 2012-04-28 | Diaphragm for pneumatic diaphragm pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202746173U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103696950A (en) * | 2013-11-08 | 2014-04-02 | 安徽乐昌气动流体设备科技有限公司 | Center body assembly of pneumatic diaphragm pump |
| CN105351178A (en) * | 2015-11-03 | 2016-02-24 | 王庆昌 | Intermediate body for dual-output and dual-input integral pneumatic diaphragm pump |
| CN105351177A (en) * | 2015-11-03 | 2016-02-24 | 王庆昌 | Single-input and single-output integral pneumatic diaphragm pump |
| CN105351180A (en) * | 2015-11-03 | 2016-02-24 | 王庆昌 | Double-outlet and double-inlet integral pneumatic diaphragm pump |
| CN105351179A (en) * | 2015-11-03 | 2016-02-24 | 王庆昌 | Pneumatic diaphragm piece |
| CN108194347A (en) * | 2018-03-13 | 2018-06-22 | 安徽乐昌气动流体设备科技有限公司 | A kind of pneumatic diaphragm pump diaphragm |
| CN108999775A (en) * | 2018-08-17 | 2018-12-14 | 安徽奥丰汽车配件有限公司 | A kind of automobile rubber diaphragm |
-
2012
- 2012-04-28 CN CN 201220192275 patent/CN202746173U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103696950A (en) * | 2013-11-08 | 2014-04-02 | 安徽乐昌气动流体设备科技有限公司 | Center body assembly of pneumatic diaphragm pump |
| CN103696950B (en) * | 2013-11-08 | 2016-05-11 | 安徽乐昌气动流体设备科技有限公司 | A kind of centerbody assembly of pneumatic diaphragm pump |
| CN105351178A (en) * | 2015-11-03 | 2016-02-24 | 王庆昌 | Intermediate body for dual-output and dual-input integral pneumatic diaphragm pump |
| CN105351177A (en) * | 2015-11-03 | 2016-02-24 | 王庆昌 | Single-input and single-output integral pneumatic diaphragm pump |
| CN105351180A (en) * | 2015-11-03 | 2016-02-24 | 王庆昌 | Double-outlet and double-inlet integral pneumatic diaphragm pump |
| CN105351179A (en) * | 2015-11-03 | 2016-02-24 | 王庆昌 | Pneumatic diaphragm piece |
| CN108194347A (en) * | 2018-03-13 | 2018-06-22 | 安徽乐昌气动流体设备科技有限公司 | A kind of pneumatic diaphragm pump diaphragm |
| CN108999775A (en) * | 2018-08-17 | 2018-12-14 | 安徽奥丰汽车配件有限公司 | A kind of automobile rubber diaphragm |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 237000 Anhui province Lu'an City Jin'an District North Industrial Park Patentee after: Anhui Lechang Pneumatic Fluid Equipment Technology Co.,Ltd. Address before: 237000 Anhui province Lu'an City Jin'an District South Industrial Park Patentee before: Anhui Lechang Pneumatic Fluid Equipment Technology Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130220 Termination date: 20200428 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |