CN114542437A - High-sealing booster pump with sealing assembly - Google Patents
High-sealing booster pump with sealing assembly Download PDFInfo
- Publication number
- CN114542437A CN114542437A CN202210199826.XA CN202210199826A CN114542437A CN 114542437 A CN114542437 A CN 114542437A CN 202210199826 A CN202210199826 A CN 202210199826A CN 114542437 A CN114542437 A CN 114542437A
- Authority
- CN
- China
- Prior art keywords
- diaphragm
- extrusion
- piece
- push block
- assembly
- 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.)
- Pending
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 51
- 238000001125 extrusion Methods 0.000 claims abstract description 45
- 238000000034 method Methods 0.000 claims description 7
- 229920001875 Ebonite Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 238000005299 abrasion Methods 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 14
- 230000009471 action Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/02—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
- F04B43/06—Pumps having fluid drive
- F04B43/067—Pumps having fluid drive the fluid being actuated directly by a piston
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B43/00—Washers or equivalent devices; Other devices for supporting bolt-heads or nuts
- F16B43/001—Washers or equivalent devices; Other devices for supporting bolt-heads or nuts for sealing or insulation
Abstract
The invention discloses a high-sealing booster pump with a sealing assembly, which comprises a motor and a pump body part, wherein the pump body part comprises a front pump body, a pressure plate assembly, a rear pump body, a diaphragm assembly, a diaphragm seat and an eccentric sleeve; the diaphragm assembly comprises a diaphragm and a piston push block; the diaphragm and the piston push block are fixed together through a bolt; a sealing assembly is arranged between the bolt and the piston push block; the sealing assembly comprises a gasket, an extrusion part and an elastic part; the gasket is sleeved on the bolt; the gasket is provided with an extrusion notch; the extrusion piece extrudes the extrusion notch to drive the elastic piece to radially extend; the resilient member is in a contracted state to continuously apply a squeezing force to the squeezing member. According to the high-sealing booster pump with the sealing assembly, due to the arrangement of the sealing assembly, the sealing failure of the bolt connection part caused by abrasion is avoided, the diaphragm and the piston push block are always in a sealing state, and the boosting effect of the booster pump is ensured.
Description
Technical Field
The invention relates to the technical field of thin film booster pumps, in particular to a high-sealing booster pump with a sealing assembly.
Background
The problem that the inside booster pump that reveals leads to the motor to damage often can appear in current booster pump, and the reason lies in that the holistic sealed effect of booster pump is poor on the one hand, and on the other hand lies in that the inside spare part of booster pump docks each other unstably, and under the circumstances of the extrusion that leads to because of the change of the inside pressure of booster pump for a long time in addition, the butt joint of the inside spare part of booster pump does not lead to on revealing the problem.
The existing diaphragm and the piston push block are generally connected by bolts, the gasket is easy to wear, the sealing performance is greatly reduced after the gasket is worn, and the pressurizing failure and the motor damage are seriously caused. Based on this, how to design a high-sealing booster pump with a sealing assembly is a technical problem to be solved by the invention.
Disclosure of Invention
The present invention addresses the deficiencies of the prior art by providing a high seal booster pump having a seal assembly.
The invention solves the technical problems through the following technical means:
the high-sealing booster pump with the sealing assembly comprises a motor and a pump body part, wherein the pump body part comprises a front pump body, a pressure plate assembly, a rear pump body, a diaphragm assembly, a diaphragm seat and an eccentric sleeve; the diaphragm assembly comprises a diaphragm and a piston push block; the diaphragm and the piston push block are fixed together through bolts;
a sealing assembly is arranged between the bolt and the piston push block; the sealing assembly comprises a gasket, an extrusion part and an elastic part; the gasket is sleeved on the bolt; the gasket is provided with an extrusion notch; the extrusion piece extrudes the extrusion notch to drive the elastic piece to radially extend; the resilient member is in a contracted state to continuously apply a squeezing force to the squeezing member.
As an improvement of the above technical solution, in the high-seal booster pump with the seal assembly, the extrusion gap is gradually enlarged from inside to outside; the extrusion part is arranged on the extrusion part; the shape of the extrusion part is matched with that of the extrusion notch; the extrusion part partially extends into the extrusion notch.
As an improvement of the above technical solution, the high-seal booster pump with the seal assembly, the elastic member is a spring; the elastic piece is sleeved outside the bolt; the top end of the elastic piece is abutted against a nut of the bolt, and the bottom end of the elastic piece is abutted against the extrusion piece; the resilient member is in a compressed state.
As an improvement of the technical scheme, the high-sealing booster pump with the sealing assembly is characterized in that the piston push block is provided with an installation groove; the bolt penetrates through the mounting groove; the seal assembly is located in the mounting groove.
As the improvement of the technical scheme, the gasket of the high-sealing booster pump with the sealing assembly is an elastic gasket.
As an improvement of the technical scheme, the extrusion piece is a hard rubber piece or a hard plastic piece.
As the improvement of the technical proposal, the high-sealing booster pump with the sealing component is characterized in that a positioning piece is arranged between the piston push block and the diaphragm; the cross section of the positioning piece is L-shaped; the vertical part of the positioning piece is fixedly connected with the piston push block, and the horizontal part is fixedly connected with the diaphragm.
As an improvement of the technical scheme, the positioning piece of the high-sealing booster pump with the sealing assembly is in a ring shape and is coaxially arranged with the piston push block; the vertical part of the positioning piece is connected with the piston push block in a sealing mode, and the horizontal part of the positioning piece is connected with the diaphragm in a sealing mode.
The invention has the advantages that: according to the high-sealing booster pump with the sealing assembly, due to the arrangement of the sealing assembly, the sealing failure of the bolt connection part caused by abrasion is avoided, the diaphragm and the piston push block are always in a sealing state, and the boosting effect of the booster pump is ensured.
Drawings
Fig. 1 is a schematic view of the construction of a booster pump according to the present invention.
FIG. 2 is a schematic view of the seal assembly installation of the present invention.
FIG. 3 is a schematic view of the position of the diaphragm and piston pusher of the present invention.
Fig. 4 is a schematic structural view of the gasket of the present invention.
Fig. 5 is a schematic structural view of an extrusion of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Embodiment 1, referring to the drawings, a high-seal booster pump with a seal assembly comprises a motor 1 and a pump body portion comprising a front pump body 2, a pressure plate assembly 3, a rear pump body 4, a diaphragm assembly 5, a diaphragm seat 6 and an eccentric sleeve 7; the diaphragm assembly 5 comprises a diaphragm 51 and a piston push block 52; the diaphragm 51 and the piston push block 52 are fixed together through a bolt 53;
a sealing assembly 54 is arranged between the bolt 53 and the piston push block 52; the seal assembly 54 includes a gasket 541, a pressing member 542, and an elastic member 543; the gasket 541 is sleeved on the bolt 53; the gasket 541 is provided with an extrusion notch 5411; the extrusion piece 542 extrudes the extrusion notch 5411 to drive the elastic piece 543 to radially extend; the elastic piece 543 is in a contracted state and continuously applies extrusion force to the extrusion piece 542;
through the arrangement of the sealing assembly 54, the bolt 53 is always in a highly sealed state, so that the sealing performance between the diaphragm 51 and the piston push block 52 is ensured, and the pressurization effect is further ensured; specifically, because the elastic member 543 is in a contracted state, it applies an extrusion force to the extrusion member 542 through an elastic action, the extrusion member 542 moves to the side of the gasket 541 after being extruded, and extrudes the extrusion gap 5411 of the gasket 541, so that the gasket 541 radially extends, and further the inner and outer ends of the gasket 541 are always tightly attached to the bolt 53 and the piston push block 42, so as to ensure the sealing performance at the bolt 53, and particularly when the gasket 541 is worn and has a gap, the gasket 541 radially extends, so as to eliminate the gap, so that the diaphragm 51 and the piston push block 52 are always in a sealed state;
according to the high-sealing booster pump with the sealing assembly, due to the arrangement of the sealing assembly, the sealing failure of the bolt connection part caused by abrasion is avoided, the diaphragm and the piston push block are always in a sealing state, and the boosting effect of the booster pump is ensured.
As an improvement of the above technical solution; the extrusion gap 5411 gradually increases from inside to outside; the extrusion piece 542 is provided with an extrusion part 5421; the shape of the pressing part 5421 is matched with that of the pressing notch 5411; the part of the pressing part 5421 extends into the pressing notch 5411;
when the pressing piece 542 presses the gasket 541, the pressing part 5421 gradually extends into the pressing gap 5411, and when the pressing part 5421 extends, the inner walls on two sides of the pressing gap 5411 are pressed, so that the gasket 541 radially extends and is tightly attached to the bolt 53 and the piston push block 52; of course, both the washer 541 and the pressing member 542 are ring-shaped and fitted around the outside of the bolt 53; the pressing portion 5421 and the pressing notch 5411 are both ring-shaped and arranged concentrically with the bolt 53.
As an improvement of the above technical solution, the elastic member 543 is a spring; the elastic piece 543 is sleeved outside the bolt 53; the top end of the elastic piece 543 abuts against the nut of the bolt 53, and the bottom end abuts against the extrusion piece 542; the elastic piece 543 is in a compressed state;
the elastic piece 543 is a spring, which has good elasticity and enough elasticity, and is in a compressed state, and always applies an acting force to the extrusion piece 542, so that the extrusion piece 542 has a tendency of extruding towards the gasket 541, once a gap appears among the gasket 541, the bolt 53 and the piston push block 52, the gasket 541 is extruded and extended, a wear gap is filled quickly, and the sealing property is ensured; in addition, the spring is in a compressed state and is arranged between the piston push block 52 and the bolt 53, so that the bolt 53 always receives the elastic force from the spring, the possibility of the bolt 53 rotating is reduced, the possibility of the bolt loosening is further reduced, and the overall operation stability of the booster pump is improved.
As an improvement of the above technical solution, the piston push block 52 is provided with an installation groove 521; the bolt 53 passes through the mounting groove 521; the sealing component 54 is positioned in the mounting groove 521;
a mounting groove 521 is provided for mounting the sealing assembly 54.
As an improvement of the above technical solution, in order to ensure the stretchable type of the gasket 541, the gasket 541 employs an elastic gasket; such as elastomeric rubber pads.
As an improvement of the above-described technical solution, in order to avoid deformation of pressing member 542 itself when pressing member 542 presses spacer 541; the extrusion 542 is a hard rubber or hard plastic piece.
As an improvement of the above technical solution, a positioning member 55 is arranged between the piston push block 52 and the diaphragm 51; the cross section of the positioning piece 55 is L-shaped; the vertical part of the positioning piece 55 is fixedly connected with the piston push block 52, and the horizontal part is fixedly connected with the diaphragm 51;
a positioning part 55 is arranged between the piston pushing block 52 and the diaphragm 51, so that the problem of leakage caused by the fact that the piston pushing block 52 deflects on the diaphragm 51 is avoided.
As an improvement of the above technical solution, the positioning member 55 is in a ring shape coaxially arranged with the piston push block 52; the vertical part of the positioning piece 55 is hermetically connected with the piston push block 52, and the horizontal part is hermetically connected with the diaphragm 51;
the positioning member 55 also serves to seal the joint between the piston push block 52 and the diaphragm 51 while positioning the piston push block 52, thereby improving the sealing performance at the diaphragm assembly 5.
It is noted that, in this document, relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. The high-seal booster pump with the seal assembly comprises a motor (1) and a pump body part, wherein the pump body part comprises a front pump body (2), a pressure plate assembly (3), a rear pump body (4), a diaphragm assembly (5), a diaphragm seat (6) and an eccentric sleeve (7); the diaphragm assembly (5) comprises a diaphragm sheet (51) and a piston push block (52); the diaphragm (51) and the piston push block (52) are fixed together through a bolt (53); the method is characterized in that:
a sealing assembly (54) is arranged between the bolt (53) and the piston push block (52); the seal assembly (54) includes a gasket (541), a pressing member (542), and an elastic member (543); the gasket (541) is sleeved on the bolt (53); the gasket (541) is provided with an extrusion notch (5411); the extrusion piece (542) extrudes the extrusion notch (5411) to drive the elastic piece (543) to radially extend; the elastic member 543 is in a contracted state and continuously applies a pressing force to the pressing member 542.
2. The high seal booster pump with seal assembly of claim 1, wherein: the extrusion gap (5411) is gradually enlarged from inside to outside; the extrusion piece (542) is provided with an extrusion part (5421); the shape of the extrusion part (5421) is matched with that of the extrusion notch (5411); the squeezing part (5421) partially extends into the squeezing gap (5411).
3. The high seal booster pump with seal assembly of claim 1, wherein: the elastic piece (543) is a spring; the elastic piece (543) is sleeved outside the bolt (53); the top end of the elastic piece (543) abuts against a nut of the bolt (53), and the bottom end of the elastic piece abuts against the extrusion piece (542); the elastic piece (543) is in a compressed state.
4. The high seal booster pump with seal assembly of claim 1, wherein: the piston push block (52) is provided with a mounting groove (521); the bolt (53) penetrates through the mounting groove (521); the seal assembly (54) is located in the mounting groove (521).
5. The high seal booster pump with seal assembly of claim 1, wherein: the gasket (541) is an elastic gasket.
6. The high seal booster pump with seal assembly of claim 1, wherein: the extrusion piece (542) is a hard rubber piece or a hard plastic piece.
7. The high seal booster pump with seal assembly of claim 1, wherein: a positioning piece (55) is arranged between the piston push block (52) and the diaphragm (51); the cross section of the positioning piece (55) is L-shaped; the vertical part of the positioning piece (55) is fixedly connected with the piston push block (52), and the horizontal part is fixedly connected with the diaphragm (51).
8. The high seal booster pump with seal assembly of claim 7, wherein: the positioning piece (55) is in a ring shape and is coaxial with the piston push block (52); the vertical part of the positioning piece (55) is hermetically connected with the piston push block (52), and the horizontal part is hermetically connected with the diaphragm (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210199826.XA CN114542437A (en) | 2022-03-02 | 2022-03-02 | High-sealing booster pump with sealing assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210199826.XA CN114542437A (en) | 2022-03-02 | 2022-03-02 | High-sealing booster pump with sealing assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114542437A true CN114542437A (en) | 2022-05-27 |
Family
ID=81660888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210199826.XA Pending CN114542437A (en) | 2022-03-02 | 2022-03-02 | High-sealing booster pump with sealing assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114542437A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203476662U (en) * | 2013-08-26 | 2014-03-12 | 吴婷婷 | High-pressure diving type portable diaphragm pump |
| CN104791227A (en) * | 2014-01-16 | 2015-07-22 | 蔡应麟 | Shock absorption structure of diaphragm booster pump |
| CN204663824U (en) * | 2015-04-28 | 2015-09-23 | 常州雷利电机科技有限公司 | High sealing diaphragm booster pump |
| CN204921323U (en) * | 2015-05-25 | 2015-12-30 | 珠海凯邦电机制造有限公司 | Diaphragm type steady voltage pump and leak protection structure thereof |
| CN105822528A (en) * | 2016-04-27 | 2016-08-03 | 珠海格力节能环保制冷技术研究中心有限公司 | Diaphragm pump and water purifier |
| CN211525268U (en) * | 2019-11-19 | 2020-09-18 | 蒲城清洁能源化工有限责任公司 | Novel coal slurry coal mill barrel bolt seal assembly |
| CN212130833U (en) * | 2020-05-14 | 2020-12-11 | 天瑞集团许昌水泥有限公司 | Deep water pump |
| CN212968942U (en) * | 2020-07-20 | 2021-04-13 | 渤海造船厂集团有限公司 | Two-way fitting sealing packing pressure-resistant junction box |
| CN213419314U (en) * | 2020-10-16 | 2021-06-11 | 佛山市三角洲电器科技有限公司 | Booster pump head and diaphragm pump using same |
-
2022
- 2022-03-02 CN CN202210199826.XA patent/CN114542437A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203476662U (en) * | 2013-08-26 | 2014-03-12 | 吴婷婷 | High-pressure diving type portable diaphragm pump |
| CN104791227A (en) * | 2014-01-16 | 2015-07-22 | 蔡应麟 | Shock absorption structure of diaphragm booster pump |
| CN204663824U (en) * | 2015-04-28 | 2015-09-23 | 常州雷利电机科技有限公司 | High sealing diaphragm booster pump |
| CN204921323U (en) * | 2015-05-25 | 2015-12-30 | 珠海凯邦电机制造有限公司 | Diaphragm type steady voltage pump and leak protection structure thereof |
| CN105822528A (en) * | 2016-04-27 | 2016-08-03 | 珠海格力节能环保制冷技术研究中心有限公司 | Diaphragm pump and water purifier |
| CN211525268U (en) * | 2019-11-19 | 2020-09-18 | 蒲城清洁能源化工有限责任公司 | Novel coal slurry coal mill barrel bolt seal assembly |
| CN212130833U (en) * | 2020-05-14 | 2020-12-11 | 天瑞集团许昌水泥有限公司 | Deep water pump |
| CN212968942U (en) * | 2020-07-20 | 2021-04-13 | 渤海造船厂集团有限公司 | Two-way fitting sealing packing pressure-resistant junction box |
| CN213419314U (en) * | 2020-10-16 | 2021-06-11 | 佛山市三角洲电器科技有限公司 | Booster pump head and diaphragm pump using same |
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