CN102094794B - Diaphragm pump diaphragm with combined sealing structure and diaphragm pump - Google Patents
Diaphragm pump diaphragm with combined sealing structure and diaphragm pump Download PDFInfo
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- CN102094794B CN102094794B CN2011100359345A CN201110035934A CN102094794B CN 102094794 B CN102094794 B CN 102094794B CN 2011100359345 A CN2011100359345 A CN 2011100359345A CN 201110035934 A CN201110035934 A CN 201110035934A CN 102094794 B CN102094794 B CN 102094794B
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- oscillating body
- valve seat
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Abstract
The invention discloses a diaphragm pump diaphragm with a combined sealing structure and a diaphragm pump. The diaphragm comprises an outer edge sealing ring and an inner diaphragm body, wherein the diaphragm body is provided with a vibrating clamping part and a valve seat installation hole; the vibrating clamping part is provided with a vibrator sealing ring; the vibrator sealing ring is arranged below the diaphragm; the outer edge sealing ring is arranged above the diaphragm; an outer edge additional sealing ring of which the appearance is matched with that of the diaphragm is arranged outside the outer edge sealing ring; the outer edge additional sealing ring is connected with the outer edge sealing ring to form a whole body; an additional sealing ring is arranged inside the vibrator sealing ring; the shape of the sealing ring is similar to that of the vibrator sealing ring; a protruding valve seat sealing sleeve is arranged on the lower side of the valve seat installation hole; and the pump cover and the pump body of the diaphragm pump are provided with installation structures which are matched with the outer edge additional sealing ring, the vibrator additional sealing ring and the valve seat sealing sleeve. Through the improvement, the problem of the sealing of the diaphragm of the diaphragm pump is radically solved, the lift of the diaphragm pump is improved, the service life of the diaphragm pump is prolonged and unnecessary maintenance and waste is reduced.
Description
[0001] technical field
The present invention relates to the technical field of the diaphragm pump of agricultural atomizer, particularly relate to a kind of diaphragm of diaphragm pump and diaphragm pump thereof that has combined sealing structure.
Background technique
Sprayer is a kind of small-sized machine that is widely used in agriculture and forestry, and common have manually operated type and an electrodynamic type.The low pressure power spraye is the update product of hand sprayer, and it adopts dryelement cell or storage battery as power source, and power source, the pump housing and liquid storage barrel are installed together, and is born by the operator during use, and the acting of drive power source pump realizes the spraying operation.Labor intensity, spray effect that power spraye can alleviate the operator greatly are good, are to use more miniaturised nebuliser at present.The core component of power spraye is a pump, directly influences the usability and the working life of sprayer in its structural behaviour and working life.
The sealing configuration of the diaphragm of existing diaphragm pump is simple; Mainly be to rely on the seal ring at its edge and the pressure of the pump housing and pump cover to realize the sealing that diaphragm changes; The sealing of its diaphragm and valve seat joint mainly is to lean on the outer on valve seat top that the pressure of diaphragm is guaranteed to seal; The sealing at its oscillating body position mainly is to rely on the oscillating body seal ring of diaphragm bottom and the snapping of the groove of pump housing end face to come pressure to realize sealing, because diaphragm pump is to vibrate stronglyer under situation about running up, so just causes the generation of above-mentioned three positions to become flexible easily; Leak, leak gas thereby produce; This just reduces the barrier film pump performance, and What is more, damages diaphragm pump.
Summary of the invention
To the objective of the invention is in order addressing the above problem, a kind of diaphragm of diaphragm pump and diaphragm pump thereof that has combined sealing structure to be provided.
Technological scheme of the present invention is: a kind of diaphragm of diaphragm pump that has combined sealing structure; This diaphragm diaphragm that is formed in one; Contain outer seal ring and inner diaphragm body, on the diaphragm body, be provided with vibration retaining part and valve seat mounting hole, described vibration retaining part is provided with the oscillating body seal ring; This oscillating body seal ring is below diaphragm; The outer seal ring is on diaphragm, and the outside of described outer seal ring also is provided with the outer additional encryption seal with this diaphragm external appearance matching, links into an integrated entity between this outer additional encryption seal and the outer seal ring; The inside of described oscillating body seal ring also is provided with the additional encryption seal, and the sealing circle is similar with oscillating body seal ring shape; Described valve seat mounting hole downside is provided with the valve base sealing cover that stretches out.
Described vibration retaining part is located at the middle part of diaphragm body, and the thickness of this vibration retaining part is provided with clamping hole greater than the thickness of diaphragm body in the inside of this vibration retaining part.
Described valve seat mounting hole has two, is set up in parallel in the front portion of diaphragm body, is provided with sagging installation step in this valve seat mounting hole, and described valve base sealing cover is connected the bottom of installation step.
A kind of diaphragm pump that has combined sealing structure contains the pump housing, pump cover, oscillating body, diaphragm, valve seat; Described valve seat and shake unit are installed in the pump housing, and described diaphragm is fitted in the end of the pump housing through pump cover; The cavity that between pump cover and diaphragm, forms variable volume is a pump chamber; The described pump housing is provided with the valve pocket of two symmetries, two valve pockets respectively with the pump housing on intake pipe and outlet pipe UNICOM, two valve seats are installed in each valve pocket; The described diaphragm diaphragm that is formed in one; Contain outer seal ring and inner diaphragm body, on the diaphragm body, be provided with vibration retaining part and valve seat mounting hole, described vibration retaining part is provided with the oscillating body seal ring; This oscillating body seal ring is below diaphragm; The outer seal ring is on diaphragm, and the end of the described pump cover and the pump housing is provided with the groove with outer seal ring coupling, and described outer seal ring is positioned at this groove; The end face of the described pump housing is provided with the groove with oscillating body seal ring coupling, and this groove is around oscillating body, and described oscillating body seal ring is positioned at this groove; The outside of described outer seal ring also is provided with the outer additional encryption seal with this diaphragm external appearance matching, links into an integrated entity through diaphragm between this outer additional encryption seal and the outer seal ring; The inside of described oscillating body seal ring also is provided with the seal of oscillating body additional encryption, and this oscillating body additional encryption seal is similar with oscillating body seal ring shape; The end edge edge of the described pump housing and the edge of pump cover are provided with two additional trenches with outer additional encryption seal, oscillating body additional encryption seal coupling, and this outer additional encryption seal, the seal of oscillating body additional encryption are installed in two additional trenches.
Described vibration retaining part is located at the middle part of diaphragm body, and the thickness of this vibration retaining part is provided with clamping hole greater than the thickness of diaphragm body in the inside of this vibration retaining part; The end of described oscillating body is provided with the embedding head of big head with slender neck, is inserted in the above-mentioned clamping hole.
Described valve seat mounting hole has two, is set up in parallel the front end at the diaphragm body, is provided with sagging installation step in this valve seat mounting hole; This installation step is trapped in the valve pocket; This valve seat outside is provided with the installation step coupling in ledge structure and the above-mentioned valve seat orifice, on this mounting platform terrace, is provided with the auxiliary seal convex tendon of an annular.
The front end of the described pump housing is provided with overflow mechanism, and this overflow mechanism contains dual torus overflow ducts, barriers, spring, adjusting screw, and the interior circle of dual torus overflow ducts and outer shroud are communicated with two valve pockets respectively; Described barriers intercepts overflow ducts under the pressing of spring, adjusting screw is installed on the pump housing and presses spring.
Beneficial effect of the present invention
The diaphragm of diaphragm pump of this invention and the diaphragm pump of double sealing structure thereof; Through on the basis of the seal ring in original diaphragm edge, increasing an outer additional encryption seal again, on the pump housing and pump cover, increase the groove of coupling accordingly, realized the double sealing structure at the edge after diaphragm is installed; The influence that in the time of can farthest reducing the oscillating body vibration edge is sealed; Improved sealing effect, this diaphragm of diaphragm pump also through outside the oscillating body seal ring, increasing the seal of an oscillating body additional encryption, has improved the sealability at this position; Improved sealing effect, the occurrence frequency of the phenomenon of the damage motor of having avoided bringing thus; This diaphragm of diaphragm pump through having set up and a valve base sealing cover at original valve seat mounting hole place, has promoted the sealability of diaphragm pump valve seat installation position; Can effectively avoid gas leakage, the water leakage phenomenon of valve seat installation position; Through the step hole of coupling is set in the valve pocket of diaphragm pump, can the valve base sealing cover be squeezed between valve seat and the step hole, realized crush seal radially; Solve the sealing problem here completely, thereby prolonged the working life of whole diaphragm pump; The improvement of above-mentioned three place's structures has basically thoroughly solved the sealing problem of diaphragm of diaphragm pump, has improved the barrier film lift of pump, has prolonged its working life, reduces unnecessary maintenance and waste.
Description of drawings
Fig. 1 has the plan structure schematic representation of the diaphragm of diaphragm pump of combined sealing structure for this;
Fig. 2 is the A-A cross-sectional view among Fig. 1;
Fig. 3 have for figure combined sealing structure diaphragm of diaphragm pump look up structural representation;
Fig. 4 is that the diaphragm pump that has combined sealing structure is faced structural representation;
Fig. 5 is the plan structure schematic representation of Fig. 4;
Fig. 6 is the B-B sectional structure schematic representation of Fig. 4;
Fig. 7 is the local structure for amplifying schematic representation among Fig. 4.
Embodiment
Referring to Fig. 1-Fig. 7; 1. have combined sealing structure, wherein 1-1. outer seal ring, 1-2. vibration retaining part, 1-3. diaphragm body, 1-4. valve seat mounting hole, 1-5. installation step, 1-6. clamping hole, the seal of 1-7. oscillating body additional encryption, 1-8. oscillating body seal ring, the additional encryption seal of 1-9. outer, 1-10. valve base sealing cover among the figure, 2. pump chamber, 3. pump cover, 4. oscillating body, 5. the pump housing, 6. valve seat, 7. valve pocket, 8. outlet pipe, 9. outer shroud, 10. in circle, 11. barriers, 12. adjusting screw, 13. springs, 14. water intakes, 4-1. embedding head wherein.
Embodiment one: referring to Fig. 1-Fig. 3; A kind of diaphragm of diaphragm pump that has combined sealing structure among the figure, this diaphragm diaphragm that is formed in one contains outer seal ring and inner diaphragm body; On the diaphragm body, be provided with vibration retaining part and valve seat mounting hole; Described vibration retaining part is provided with the oscillating body seal ring, and this oscillating body seal ring is below diaphragm, and the outer seal ring is on diaphragm; The outside of described outer seal ring also is provided with the outer additional encryption seal with this diaphragm external appearance matching, links into an integrated entity between this outer additional encryption seal and the outer seal ring; The inside of described oscillating body seal ring also is provided with the additional encryption seal, and the sealing circle is similar with oscillating body seal ring shape; Described valve seat mounting hole downside is provided with the valve base sealing cover that stretches out.
Described vibration retaining part is located at the middle part of diaphragm body, and the thickness of this vibration retaining part is provided with clamping hole greater than the thickness of diaphragm body in the inside of this vibration retaining part.
Described valve seat mounting hole has two, is set up in parallel in the front portion of diaphragm body, is provided with sagging installation step in this valve seat mounting hole, and described valve base sealing cover is connected the bottom of installation step.
Embodiment two: referring to Fig. 1-Fig. 7, a kind of diaphragm pump that has combined sealing structure contains the pump housing, pump cover, oscillating body, diaphragm, valve seat among the figure; Described valve seat and shake unit are installed in the pump housing, and described diaphragm is fitted in the end of the pump housing through pump cover; The cavity that between pump cover and diaphragm, forms variable volume is a pump chamber; The described pump housing is provided with the valve pocket of two symmetries, two valve pockets respectively with the pump housing on intake pipe and outlet pipe UNICOM, two valve seats are installed in each valve pocket; The described diaphragm diaphragm that is formed in one; Contain outer seal ring and inner diaphragm body, on the diaphragm body, be provided with vibration retaining part and valve seat mounting hole, described vibration retaining part is provided with the oscillating body seal ring; This oscillating body seal ring is below diaphragm; The outer seal ring is on diaphragm, and the end of the described pump cover and the pump housing is provided with the groove with outer seal ring coupling, and described outer seal ring is positioned at this groove; The end face of the described pump housing is provided with the groove with oscillating body seal ring coupling, and this groove is around oscillating body, and described oscillating body seal ring is positioned at this groove; The outside of described outer seal ring also is provided with the outer additional encryption seal with this diaphragm external appearance matching, links into an integrated entity through diaphragm between this outer additional encryption seal and the outer seal ring; The inside of described oscillating body seal ring also is provided with the seal of oscillating body additional encryption, and this oscillating body additional encryption seal is similar with oscillating body seal ring shape; The end edge edge of the described pump housing and the edge of pump cover are provided with two additional trenches with outer additional encryption seal, oscillating body additional encryption seal coupling, and this outer additional encryption seal, the seal of oscillating body additional encryption are installed in two additional trenches.
Described vibration retaining part is located at the middle part of diaphragm body, and the thickness of this vibration retaining part is provided with clamping hole greater than the thickness of diaphragm body in the inside of this vibration retaining part; The end of described oscillating body is provided with the embedding head of big head with slender neck, is inserted in the above-mentioned clamping hole.
Described valve seat mounting hole has two, is set up in parallel the front end at the diaphragm body, is provided with sagging installation step in this valve seat mounting hole; This installation step is trapped in the valve pocket; This valve seat outside is provided with the installation step coupling in ledge structure and the above-mentioned valve seat orifice, on this mounting platform terrace, is provided with the auxiliary seal convex tendon of an annular.
The front end of the described pump housing is provided with overflow mechanism, and this overflow mechanism contains dual torus overflow ducts, barriers, spring, adjusting screw, and the interior circle of dual torus overflow ducts and outer shroud are communicated with two valve pockets respectively; Described barriers intercepts overflow ducts under the pressing of spring, adjusting screw is installed on the pump housing and presses spring.
Claims (7)
1. diaphragm of diaphragm pump that has combined sealing structure; This diaphragm diaphragm that is formed in one; Contain outer seal ring and inner diaphragm body, on the diaphragm body, be provided with vibration retaining part and valve seat mounting hole, described vibration retaining part is provided with the oscillating body seal ring; This oscillating body seal ring is below diaphragm; The outer seal ring is characterized in that on diaphragm: the outside of described outer seal ring also is provided with the outer additional encryption seal with this diaphragm external appearance matching, links into an integrated entity between this outer additional encryption seal and the outer seal ring; The inside of described oscillating body seal ring also is provided with the additional encryption seal, and the sealing circle is similar with oscillating body seal ring shape; Described valve seat mounting hole downside is provided with the valve base sealing cover that stretches out.
2. the diaphragm of diaphragm pump that has combined sealing structure according to claim 1; It is characterized in that: described vibration retaining part is located at the middle part of diaphragm body; The thickness of this vibration retaining part is provided with clamping hole greater than the thickness of diaphragm body in the inside of this vibration retaining part.
3. the diaphragm of diaphragm pump that has combined sealing structure according to claim 1; It is characterized in that: described valve seat mounting hole has two; Be set up in parallel in the front portion of diaphragm body, be provided with sagging installation step in this valve seat mounting hole, described valve base sealing cover is connected the bottom of installation step.
4. a diaphragm pump that has combined sealing structure contains the pump housing, pump cover, oscillating body, diaphragm, valve seat; Described valve seat and oscillating body are installed in the pump housing, and described diaphragm is fitted in the end of the pump housing through pump cover; The cavity that between pump cover and diaphragm, forms variable volume is a pump chamber; The described pump housing is provided with the valve pocket of two symmetries, two valve pockets respectively with the pump housing on intake pipe and outlet pipe UNICOM, two valve seats are installed in each valve pocket; The described diaphragm diaphragm that is formed in one; Contain outer seal ring and inner diaphragm body, on the diaphragm body, be provided with vibration retaining part and valve seat mounting hole, described vibration retaining part is provided with the oscillating body seal ring; This oscillating body seal ring is below diaphragm; The outer seal ring is on diaphragm, and the end of the described pump cover and the pump housing is provided with the groove with outer seal ring coupling, and described outer seal ring is positioned at this groove; The end face of the described pump housing is provided with the groove with oscillating body seal ring coupling, and this groove is around oscillating body, and described oscillating body seal ring is positioned at this groove; It is characterized in that: the outside of described outer seal ring also is provided with the outer additional encryption seal with this diaphragm external appearance matching, links into an integrated entity through diaphragm between this outer additional encryption seal and the outer seal ring; The inside of described oscillating body seal ring also is provided with the seal of oscillating body additional encryption, and this oscillating body additional encryption seal is similar with oscillating body seal ring shape; The end edge edge of the described pump housing and the edge of pump cover are provided with two additional trenches with outer additional encryption seal, oscillating body additional encryption seal coupling, and this outer additional encryption seal, the seal of oscillating body additional encryption are installed in two additional trenches.
5. the diaphragm pump that has combined sealing structure according to claim 4; It is characterized in that: described vibration retaining part is located at the middle part of diaphragm body; The thickness of this vibration retaining part is provided with clamping hole greater than the thickness of diaphragm body in the inside of this vibration retaining part; The end of described oscillating body is provided with the embedding head of big head with slender neck, is inserted in the above-mentioned clamping hole.
6. the diaphragm pump that has combined sealing structure according to claim 4 is characterized in that: described valve seat mounting hole has two, is set up in parallel the front end at the diaphragm body, is provided with sagging installation step in this valve seat mounting hole; This installation step is trapped in the valve pocket; This valve seat outside is provided with the installation step coupling in ledge structure and the above-mentioned valve seat orifice, on this mounting platform terrace, is provided with the auxiliary seal convex tendon of an annular.
7. the diaphragm pump that has combined sealing structure according to claim 4; It is characterized in that: the front end of the described pump housing is provided with overflow mechanism; This overflow mechanism contains dual torus overflow ducts, barriers, spring, adjusting screw, and the interior circle of dual torus overflow ducts and outer shroud are communicated with two valve pockets respectively; Described barriers intercepts overflow ducts under the pressing of spring, adjusting screw is installed on the pump housing and presses spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100359345A CN102094794B (en) | 2011-02-11 | 2011-02-11 | Diaphragm pump diaphragm with combined sealing structure and diaphragm pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100359345A CN102094794B (en) | 2011-02-11 | 2011-02-11 | Diaphragm pump diaphragm with combined sealing structure and diaphragm pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102094794A CN102094794A (en) | 2011-06-15 |
| CN102094794B true CN102094794B (en) | 2012-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100359345A Active CN102094794B (en) | 2011-02-11 | 2011-02-11 | Diaphragm pump diaphragm with combined sealing structure and diaphragm pump |
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| CN (1) | CN102094794B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103644097A (en) * | 2013-11-28 | 2014-03-19 | 珠海凯邦电机制造有限公司 | Membrane piece for pressure stabilization pump |
| CN107524585A (en) * | 2017-07-12 | 2017-12-29 | 浙江卡韦德新能源科技有限公司 | Diesel motor exhaust handles electromagnetism urea pump |
| CN107246376A (en) * | 2017-07-12 | 2017-10-13 | 浙江卡韦德新能源科技有限公司 | Diesel motor exhaust handles the diaphragm assembly of urea pump |
| CN108397380B (en) * | 2018-03-15 | 2023-09-29 | 苏州金莱克精密机械有限公司 | Sealing device for booster pump and booster pump |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH681168A5 (en) * | 1989-11-10 | 1993-01-29 | Westonbridge Int Ltd | Micro-pump for medicinal dosing |
| CN2616708Y (en) * | 2002-12-26 | 2004-05-19 | 蔡应麟 | Diaphragm of diaphragm pump for water purifying machine |
| JP2004346886A (en) * | 2003-05-26 | 2004-12-09 | Oken Ltd | Diaphragm pump |
| CN201535238U (en) * | 2009-11-06 | 2010-07-28 | 常州柏繁电气有限公司 | Pump head of positive displacement pump |
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- 2011-02-11 CN CN2011100359345A patent/CN102094794B/en active Active
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| CN102094794A (en) | 2011-06-15 |
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Effective date of registration: 20180713 Address after: 450000 Henan Zhengzhou 27 District, Ma Zhai industrial agglomeration area (No. 16 Industrial Road) JINGWAH building steel structure workshop Patentee after: Zhengzhou green emperor Agricultural Machinery Co., Ltd. Address before: 452484 Xiao Jia Valley, Liang Zhuang village, Dengfeng, Zhengzhou, Henan, China 22 Patentee before: Jia Nianguo |