CN206903861U - Fluid end structure for the diaphragm easy to assemble of hydraulic reciprocating diaphragm pump - Google Patents
Fluid end structure for the diaphragm easy to assemble of hydraulic reciprocating diaphragm pump Download PDFInfo
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- CN206903861U CN206903861U CN201720469150.6U CN201720469150U CN206903861U CN 206903861 U CN206903861 U CN 206903861U CN 201720469150 U CN201720469150 U CN 201720469150U CN 206903861 U CN206903861 U CN 206903861U
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- pressure ring
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Abstract
It the utility model is related to hydraulic reciprocating diaphragm pump, it is desirable to provide a kind of fluid end structure of diaphragm easy to assemble for hydraulic reciprocating diaphragm pump.Including the internal pump head for hollow cavity, the pump head front end relative with cylinder body is opening-like, and is realized and sealed by gland, and pressure ring is provided between gland and diaphragm；Gland is fixed on pump head front end by dismountable fastener, and pressure ring and diaphragm are fixed among pump head cavity；Diametrically opposite position on pressure ring is provided with two pressure ring through holes, respectively connection corresponding with two pump head through holes.The utility model need to only be operated on the single pump head of Awaiting Overhaul, dismounted without by a large amount of fasteners on the fluid end of whole pump when needing to overhaul diaphragm.In operating process, the nut in fastener need only be backed out, removes gland, pressure ring, you can carries out the maintenance of diaphragm, it is not necessary to which the operation of a large amount of dismounting nuts, operating efficiency significantly improve, and labor intensity is greatly lowered.
Description
Technical field
The utility model is related to hydraulic reciprocating diaphragm pump, it is more particularly to a kind of for hydraulic reciprocating diaphragm pump it is easy to assemble every
The fluid end structure of diaphragm.
Background technology
Whether simple the dismounting of diaphragm is, is one of index for weighing hydraulic diaphragm pump performance.In existing hydraulic diaphragm pump
In product, there are the assembly and disassembly methods of two kinds of diaphragms, the first scheme is, because diaphragm is between pump head and cylinder body, with more
Individual fastener compresses the pump housing and cylinder body, and pump head enters discharging tube and is connected with the inlet and outlet pipeline in induction system, so, more
The combination valve door of pump and the adpting flange nut entered between discharging tube must be backed out when changing diaphragm, and that backs out pump enters discharge opeing
Flange screw nut between pipe and inlet and outlet pipeline, then tear pressure pump head open, the maintenance of diaphragm, whole operation mistake could be carried out
Both very complicated, workload are again bigger for journey.Second scheme is to use the utility model patent " hydraulic pressure of fast changeable diaphragm
The fluid end structure of diaphragm-type reciprocating pump " (ZL201110688839.1) technology, but for large hydraulic membrane pump this
Technology remains bigger than normal in diaphragm briquetting volume and weight, and scene must have lifting appliance to be operated, and sealing effectiveness is not
Too preferable, popularization gets up to have larger difficulty.
Utility model content
The technical problems to be solved in the utility model is to overcome deficiency of the prior art, there is provided one kind be used for hydraulic pressure every
The fluid end structure of the diaphragm easy to assemble of film reciprocating pump.The design can make replacing diaphragm, and operation is simple, and significantly
Degree reduces labor intensity, improves operating efficiency.
In order to solve the problems, such as the above, solution of the present utility model is：
A kind of fluid end structure of the diaphragm easy to assemble for hydraulic reciprocating diaphragm pump is provided, including inside is middle cavity
The pump head of body, both sides respectively set a pump head through hole for connecting pump head cavity to pump head up and down, and the pump head inside cavities close to cylinder body fill
There is diaphragm；The pump head front end relative with cylinder body is opening-like, and realizes sealing by a gland, is set between gland and diaphragm
There is a pressure ring；Gland is fixed on pump head front end by dismountable fastener, and pressure ring and diaphragm are fixed on into pump head chamber
Among body；Diametrically opposite position on pressure ring is provided with two pressure ring through holes, respectively connection corresponding with described two pump head through holes
(being used for flow of media).
In the utility model, a diaphragm limiting plate is additionally provided between pressure ring and diaphragm, gland is by pressure ring, barrier film
Piece limiting plate and diaphragm are fixed among pump head cavity.
In the utility model, the main part of pump head hollow cavity is cylindric counterbore, and the external diameter of the pressure ring is less than pump
The internal diameter of head cavity body, both coordinate for gap.
In the utility model, the pressure ring has the cross bar of radial direction, as the handgrip for extracting pressure ring during for dismounting.
In the utility model, sealing ring is provided between gland and pump head front end.
In the utility model, dismountable fastener is nut bolt component.
In the utility model, boss is set in the inner surface of gland, the external diameter of boss is less than the internal diameter of pump head cavity, institute
Pressure ring is stated with the surface of boss to connect.
Utility model principles illustrated：
Fluid end structure in the utility model is including the pump head with cavity, the diaphragm being positioned in pump head cavity,
The pressure ring of diaphragm can be pushed down, (diaphragm limiting plate can be also set between diaphragm and pressure ring), the gland of pressure ring can be pushed down
And the fastener of compressible gland, the sealing between gland and pump head use sealing ring.In maintenance, fastener only need to be backed out
Nut, pull down gland and sealing ring, take out pressure ring, you can maintenance diaphragm, whole operation are very easy.
Compared with prior art, the beneficial effects of the utility model are：
Diaphragm is placed in pump head cavity by the utility model, and diaphragm is pushed down with pressure ring, then with fastener that gland is tight
It is pressed on pressure ring.When needing to overhaul diaphragm, it need to only be operated on the single pump head of Awaiting Overhaul, without by whole pump
A large amount of fasteners on fluid end are dismounted.In operating process, the nut in fastener need only be backed out, removes gland, pressure ring
(and diaphragm limiting plate), you can carry out the maintenance of diaphragm, it is not necessary to which the operation of a large amount of dismounting nuts, operating efficiency substantially carry
Height, labor intensity are greatly lowered.
Brief description of the drawings
Fig. 1 is the fluid end structure schematic diagram without the easily dismantled diaphragm of diaphragm limiting plate；
Fig. 2 is the fluid end structure schematic diagram of the easily dismantled diaphragm with diaphragm limiting plate.
Reference in figure is：1 pump head, 2 pressure rings, 3 glands, 4 cross bars, 5 fasteners, 6 sealing rings, 7, pump head through hole, 8
Pressure ring through hole, 9 diaphragms, 10 diaphragm limiting plates.
Embodiment
When below in conjunction with the accompanying drawings with embodiment, the utility model is described in further detail.
The utility model provides a kind of hydraulic reciprocating diaphragm pump, sets and can simply tear open in the fluid end of the hydraulic diaphragm pump
Fill the structure of diaphragm.
Concrete scheme one：(see Fig. 1)
For the fluid end structure of the diaphragm easy to assemble of hydraulic reciprocating diaphragm pump, including the internal pump head for hollow cavity
1, pump head about 1 both sides respectively set one connection pump head cavity pump head through hole 7, close to cylinder body the inside cavities of pump head 1 be equipped with every
Diaphragm 9；The main part of the hollow cavity of pump head 1 is cylindric counterbore, and pump head 1 front end relative with cylinder body is opening-like, and by
One gland 3 realizes sealing.A pressure ring 2 is provided between gland 3 and diaphragm 9, the external diameter of pressure ring 2 is less than the cavity of pump head 1
Internal diameter, both coordinate for gap.Pressure ring 2 has the metal bar 4 of a radial direction.Diametrically opposite position on pressure ring 2 is provided with
Two pressure ring through holes 8, connection corresponding with described two pump head through holes 7, the fluid media (medium) conveyed can pass through pressure ring through hole 8 respectively
Flowed with pump head through hole 7.Gland 3 is fixed on the front end of pump head 1 by dismountable fastener 5 (nut bolt component), and will
Pressure ring 2 and diaphragm 9 are fixed among the cavity of pump head 1, and sealing ring 6 is provided between gland 3 and the front end of pump head 1.By fastener 5
Nut tighten, you can diaphragm 9 is compressed by gland 3, sealing ring 6 and pressure ring 2.Set in the inner surface of gland 3 convex
Platform, the external diameter of boss are less than the internal diameter of the cavity of pump head 1, and the pressure ring 2 connects with the surface of boss.
When needing to dismount the diaphragm 9 of pump head 1, the nut on the fastener 5 of the front end of pump head 1 is first backed out, is taken
Lower cover 3 and sealing ring 6, then catch the cross bar 4 in the cavity of pressure ring 2, pressure ring 2 is taken out out of pump head 1 cavity, then change every
Diaphragm 9；Then contrary operation is carried out, pressure ring 2 is pushed into the cavity of pump head 1, it is now it should be noted that 2 pressure ring through holes 8 are right respectively
Accurate 2 pump head through holes 7, load onto sealing ring 6, refill upper press cover 3, the nut on tightening fastener parts 5, the whole of whole diaphragm 9
Disassembling operations process is accused and completed.
Concrete scheme two：(see Fig. 2)
For the fluid end structure of the diaphragm easy to assemble of hydraulic reciprocating diaphragm pump, including the internal pump head for hollow cavity
1, pump head about 1 both sides respectively set one connection pump head cavity pump head through hole 7, close to cylinder body the inside cavities of pump head 1 be equipped with every
Diaphragm 9 and diaphragm limiting plate 10；The main part of the hollow cavity of pump head 1 is cylindric counterbore, before the pump head 1 relative with cylinder body
Hold opening-like, and sealing is realized by a gland 3.A pressure ring 2, the external diameter of pressure ring 2 are provided between gland 3 and diaphragm 9
Less than the internal diameter of the cavity of pump head 1, both coordinate for gap.Pressure ring 2 has the metal bar 4 of a radial direction.Footpath on pressure ring 2
Two pressure ring through holes 8 are provided with to relative position, respectively connection corresponding with described two pump head through holes 7, the fluid media (medium) conveyed
It can be flowed by pressure ring through hole 8 and pump head through hole 7.Gland 3 is fixed on pump by dismountable fastener 5 (nut bolt component)
First 1 front end, and among pressure ring 2, diaphragm limiting plate 10 and diaphragm 9 are fixed on into the cavity of pump head 1, in gland 3 and pump head 1
Sealing ring 6 is provided between front end.The nut of fastener 5 is tightened, you can limited by gland 3, sealing ring 6, pressure ring 2 and diaphragm
Position plate 10 compresses diaphragm 9.In the inner surface of gland 3, boss is set, the external diameter of boss is less than the internal diameter of the cavity of pump head 1,
The pressure ring 2 connects with the surface of boss.
When needing to dismount the diaphragm 9 on some pump head, the spiral shell on the fastener 5 of the front end of pump head 1 can be backed out
Mother, gland 3 and sealing ring 6 are removed, then catch the cross bar 4 in the cavity of pressure ring 2, pressure ring 2 is taken out out of pump head 1 cavity, then takes
Go out diaphragm limiting plate 10, then dismount diaphragm 9；Then contrary operation is carried out, the concave surface of diaphragm limiting plate 10 is filled forward
Enter in the cavity of pump head 1, push down diaphragm 9, pressure ring 2 is pushed into the cavity of pump head 1, now it should be noted that 2 pressure ring through holes 8 are distinguished
2 pump head through holes 7 are directed at, load onto sealing ring 6, refill upper press cover 3, the nut on tightening fastener parts 5, the whole of diaphragm 9 is torn open
Fill operating process and accuse completion.
In the utility model, diaphragm 9 is compressed using two schemes.Scheme one is that pressure ring 3 is directly born against on diaphragm 9,
Fastening force on fastener 5 is delivered on diaphragm 9 by gland 3, sealing ring 6 and pressure ring 2, and diaphragm 9 is compressed；Scheme two
It is provided with diaphragm limiting plate 10 between diaphragm 9 and pressure ring 2, the fastening force on fastener 5 passes through gland 3, sealing ring 6, pressure
Ring 2 and diaphragm limiting plate 10 are delivered on diaphragm 9, and diaphragm 9 is compressed.Because pressure ring 2 is hollow part, gland 3 is
Flange arrangement, therefore weight is relatively light, is easy to move and dismounts, while other substantial amounts of fasteners in position need not be dismounted, so making
The dismounting of diaphragm 9 is simple and easy, and the labor intensity of operator is greatly lowered, and significantly improves operating efficiency.
Certainly, this is used for the fluid end structure of hydraulic reciprocating diaphragm pump easily dismantled diaphragm and specifically used mode,
Simply specific case study on implementation, easily dismantled barrier film chip architecture can have different shape even structure, can also be applied to
Different occasions, such conversion are all fallen within the scope of protection of the utility model.
Claims (7)
1. a kind of fluid end structure of diaphragm easy to assemble for hydraulic reciprocating diaphragm pump, including the internal pump for hollow cavity
Head, both sides respectively set a pump head through hole for connecting pump head cavity to pump head up and down, and the pump head inside cavities close to cylinder body are equipped with barrier film
Piece；Characterized in that, the pump head front end relative with cylinder body is opening-like, and sealing, gland and diaphragm are realized by a gland
Between be provided with a pressure ring；Gland is fixed on pump head front end by dismountable fastener, and pressure ring and diaphragm are fixed on
Among pump head cavity；Diametrically opposite position on pressure ring is provided with two pressure ring through holes, and each pressure ring through hole corresponds to one respectively
Pump head through hole and communicate therewith.
2. fluid end structure according to claim 1, it is characterised in that be additionally provided between pressure ring and diaphragm one every
Pressure ring, diaphragm limiting plate and diaphragm are fixed among pump head cavity by diaphragm limiting plate, gland.
3. fluid end structure according to claim 1 or 2, it is characterised in that the main part of pump head hollow cavity is circle
Column counterbore, the external diameter of the pressure ring are less than the internal diameter of pump head cavity, and both coordinate for gap.
4. fluid end structure according to claim 1 or 2, it is characterised in that the pressure ring has the cross bar of a radial direction.
5. fluid end structure according to claim 1 or 2, it is characterised in that be provided between gland and pump head front end close
Seal ring.
6. fluid end structure according to claim 1 or 2, it is characterised in that dismountable fastener is nut spiral shell
Bolt assembly.
7. fluid end structure according to claim 1 or 2, it is characterised in that in the inner surface of gland, boss is set, it is convex
The external diameter of platform is less than the internal diameter of pump head cavity, and the pressure ring connects with the surface of boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720469150.6U CN206903861U (en) | 2017-04-28 | 2017-04-28 | Fluid end structure for the diaphragm easy to assemble of hydraulic reciprocating diaphragm pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720469150.6U CN206903861U (en) | 2017-04-28 | 2017-04-28 | Fluid end structure for the diaphragm easy to assemble of hydraulic reciprocating diaphragm pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206903861U true CN206903861U (en) | 2018-01-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720469150.6U Active CN206903861U (en) | 2017-04-28 | 2017-04-28 | Fluid end structure for the diaphragm easy to assemble of hydraulic reciprocating diaphragm pump |
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| CN (1) | CN206903861U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106968940A (en) * | 2017-04-28 | 2017-07-21 | 杭州大潮石化设备有限公司 | A kind of fluid end structure of diaphragm easy to assemble for hydraulic reciprocating diaphragm pump |
-
2017
- 2017-04-28 CN CN201720469150.6U patent/CN206903861U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106968940A (en) * | 2017-04-28 | 2017-07-21 | 杭州大潮石化设备有限公司 | A kind of fluid end structure of diaphragm easy to assemble for hydraulic reciprocating diaphragm pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230619 Address after: 311,401 No. 9, No.7 Road, Dongzhou Industrial Functional Zone, Dongzhou Street, Fuyang District, Hangzhou, Zhejiang Patentee after: DACHAO PUMP INDUSTRY MFG Co.,Ltd. Address before: 310017, Zhejiang, Hangzhou province Jianggan District Peng town five fort village seven sets Patentee before: HANGZHOU DACHAO PETROCHEMICAL EQUIPMENT Co.,Ltd. |
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| TR01 | Transfer of patent right |