CN208057384U - A kind of pneumatic diaphragm pump diaphragm protective device - Google Patents
A kind of pneumatic diaphragm pump diaphragm protective device Download PDFInfo
- Publication number
- CN208057384U CN208057384U CN201820211052.7U CN201820211052U CN208057384U CN 208057384 U CN208057384 U CN 208057384U CN 201820211052 U CN201820211052 U CN 201820211052U CN 208057384 U CN208057384 U CN 208057384U
- Authority
- CN
- China
- Prior art keywords
- diaphragm
- elastic piece
- hole
- sleeve pipe
- described sleeve
- 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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- Diaphragms And Bellows (AREA)
Abstract
The utility model discloses a kind of pneumatic diaphragm pump diaphragm protective devices; it is related to pneumatic diaphragm pump technical field; including elastic piece; the edge of the elastic piece links into an integrated entity with diaphragm; through-hole is offered on the elastic piece; the through-hole is coaxially disposed with the through-hole on diaphragm; casing is equipped in the through-hole; one end of described sleeve pipe is connect with the elastic piece; the other end of described sleeve pipe passes through the through-hole and is connect with the bottom of the diaphragm; described sleeve pipe is hollow structure, and polyurethane foam is filled in described sleeve pipe.The pneumatic diaphragm pump diaphragm protective device of the utility model is provided with elastic piece on diaphragm, and casing is equipped in the through-hole of shrapnel, and bolt directly and casing connection, connect with diaphragm, and diaphragm can be prevented to be damaged.
Description
Technical field
The utility model is related to pneumatic diaphragm pump technical field more particularly to a kind of pneumatic diaphragm pump diaphragm protective devices.
Background technology
The diaphragm of pneumatic diaphragm pump at this stage is generally fixedly connected by plain screw, since pneumatic diaphragm pump is to airtight
Property requires very high, therefore, to keep good air-tightness, can only be by tightening screw come complete, but in such cases, it is easy to
Diaphragm is damaged by pressure.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of pneumatic diaphragm pump diaphragm protective device.
The utility model adopts the following technical solution：
A kind of pneumatic diaphragm pump diaphragm protective device, including elastic piece, edge and the diaphragm of the elastic piece connect into one
Body offers through-hole on the elastic piece, and the through-hole is coaxially disposed with the through-hole on diaphragm, and casing is equipped in the through-hole,
One end of described sleeve pipe is connect with the elastic piece, the other end of described sleeve pipe pass through the through-hole and with the bottom of the diaphragm
Portion connects, and described sleeve pipe is hollow structure, and polyurethane foam is filled in described sleeve pipe.
Preferably, a cavity is formed between the elastic piece and the diaphragm, and Withstand voltage layer is equipped in the cavity, it is described
Withstand voltage layer offsets with the diaphragm, and the Withstand voltage layer is equipped with corrugated buffer substrate tablet, the buffer substrate tablet and the elastic piece phase
It supports.
Preferably, the Withstand voltage layer is made of several trapezoid blocks.
The utility model has the advantages that:The pneumatic diaphragm pump diaphragm protective device of the utility model is on diaphragm
Provided with elastic piece, and casing is equipped in the through-hole of shrapnel, bolt directly and casing connection, does not connect with diaphragm, can prevent
Only diaphragm is impaired.
Description of the drawings
Preferred explanation is made to the utility model below in conjunction with the accompanying drawings：
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the utility model structure of voltage-sustaining layer schematic diagram；
In figure label for:1, elastic piece；2, diaphragm；3, casing；4, polyurethane foam；5, bolt；6, nut；7, cavity；
8, Withstand voltage layer；9, buffer substrate tablet；10, trapezoid block.
Specific implementation mode
As shown in Figure 1 to Figure 2, it is a kind of pneumatic diaphragm pump diaphragm protective device of the utility model, including elastic piece 1,
The edge of elastic piece 1 links into an integrated entity with diaphragm 2, and through-hole is offered on elastic piece 1, and through-hole is coaxially set with the through-hole on diaphragm 2
Set, casing 3 be equipped in through-hole, one end of casing 3 is connect with elastic piece 1, the other end of casing 3 across through-hole and with diaphragm 2
Bottom connection, casing 3 is hollow structure, and polyurethane foam 4 is filled in casing 3.
Specifically, in the through-hole of elastic piece 1 be arranged casing 3, bolt 5 directly through casing 3 without being connect with diaphragm 2,
In tightening nut 6, elastic piece 1 can play the role of protection to diaphragm 2, and diaphragm 2 can be prevented to be subject to crushing.
A cavity 7 is formed between elastic piece 1 and diaphragm 2, and Withstand voltage layer 8, Withstand voltage layer 8 and 2 phase of diaphragm are equipped in cavity 7
It supports, Withstand voltage layer 8 is equipped with corrugated buffer substrate tablet 9, and buffer substrate tablet 9 offsets with elastic piece 1, and Withstand voltage layer 8 is by 10 groups of several trapezoid blocks
At, it is preferred that trapezoidal is isosceles trapezoid, is provided with corrugated buffer substrate tablet 9 and Withstand voltage layer 8, when nut 6 compresses diaphragm 2,
It can play the role of measuring body, in order to which compressive effect is more preferable, the materials such as resistance to compression foam can be filled in the gap location of buffer substrate tablet 9.
The above are only specific embodiments of the present invention, but the technical characteristics of the utility model is not limited thereto.Appoint
How based on the utility model, for the technical problem for solving essentially identical, essentially identical technique effect is realized, it is made
Simple change, equivalent replacement or modification etc., are all covered by among the scope of protection of the utility model.
Claims (3)
1. a kind of pneumatic diaphragm pump diaphragm protective device, it is characterised in that：Including elastic piece, the edge and diaphragm of the elastic piece
It links into an integrated entity, through-hole is offered on the elastic piece, the through-hole is coaxially disposed with the through-hole on diaphragm, is set in the through-hole
There is casing, one end of described sleeve pipe to be connect with the elastic piece, the other end of described sleeve pipe pass through the through-hole and with it is described
The bottom of diaphragm connects, and described sleeve pipe is hollow structure, and polyurethane foam is filled in described sleeve pipe.
2. a kind of pneumatic diaphragm pump diaphragm protective device according to claim 1, it is characterised in that：The elastic piece and institute
It states and forms a cavity between diaphragm, be equipped with Withstand voltage layer in the cavity, the Withstand voltage layer offsets with the diaphragm, the pressure resistance
Layer is equipped with corrugated buffer substrate tablet, and the buffer substrate tablet offsets with the elastic piece.
3. a kind of pneumatic diaphragm pump diaphragm protective device according to claim 2, it is characterised in that：If the Withstand voltage layer by
Dry trapezoid block composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820211052.7U CN208057384U (en) | 2018-02-07 | 2018-02-07 | A kind of pneumatic diaphragm pump diaphragm protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820211052.7U CN208057384U (en) | 2018-02-07 | 2018-02-07 | A kind of pneumatic diaphragm pump diaphragm protective device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208057384U true CN208057384U (en) | 2018-11-06 |
Family
ID=63994187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820211052.7U Expired - Fee Related CN208057384U (en) | 2018-02-07 | 2018-02-07 | A kind of pneumatic diaphragm pump diaphragm protective device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208057384U (en) |
-
2018
- 2018-02-07 CN CN201820211052.7U patent/CN208057384U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181106 Termination date: 20200207 |