CN201916167U - Diaphragm pump diaphragm with valve seat seal gasket and diaphragm pump with valve seat seal structure - Google Patents
Diaphragm pump diaphragm with valve seat seal gasket and diaphragm pump with valve seat seal structure Download PDFInfo
- Publication number
- CN201916167U CN201916167U CN2011200361711U CN201120036171U CN201916167U CN 201916167 U CN201916167 U CN 201916167U CN 2011200361711 U CN2011200361711 U CN 2011200361711U CN 201120036171 U CN201120036171 U CN 201120036171U CN 201916167 U CN201916167 U CN 201916167U
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- diaphragm
- valve seat
- pump
- valve
- base sealing
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Abstract
The utility model relates to a diaphragm pump diaphragm with a valve seat seal gasket and a diaphragm pump with a valve seat seal structure, wherein the diaphragm comprises an outer seal ring and an inner diaphragm body; a vibrating and clamping part and a valve seat mounting hole are arranged on the diaphragm body; and the valve seat seal gasket extends out of the lower side surface of the valve seat mounting hole. The diaphragm pump comprises a pump body, a pump cover, a vibrating body, a diaphragm and a valve seat; a step hole matched with the valve seat seal gasket is arranged in the valve cavity of the pump body; the lower part of the valve seat is mounted in the valve seat seal gasket; and the valve seat seal gasket is compressed between the valve seat and the step hole. Through the valve seat seal gasket additionally arranged at the original valve seat mounting hole, the sealing performance of the mounting part of the diaphragm pump valve seat is improved, gas and water leakage at the mounting part of the valve seat can be effectively avoided; and through the matched step hole arranged in the valve cavity of the diaphragm pump, the valve seat seal gasket can be compressed between the valve seat and the step hole, thereby realizing compression sealing, solving the sealing problem at the position and prolonging the service life of the diaphragm pump.
Description
Technical field
The utility model relates to the technical field of the diaphragm pump of agricultural atomizer, particularly relates to a kind of with the diaphragm of diaphragm pump of valve base sealing cover and the diaphragm pump of band valve base 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, the sealing of 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, since diaphragm pump under situation about running up be vibrate stronger, so just cause herein easily and do not press tightly, loosening, leak, leak gas thereby produce, this just reduces the barrier film pump performance, What is more, damages diaphragm pump.
The model utility content
The purpose of this utility model is in order to address the above problem, to provide a kind of with the diaphragm of diaphragm pump of valve base sealing cover and the diaphragm pump of band valve base sealing structure.
The technical solution of the utility model is: a kind of diaphragm of diaphragm pump with the valve base sealing cover, this diaphragm diaphragm that is formed in one, contain outer seal ring and inner diaphragm body, be provided with vibration retaining part and valve seat mounting hole on the diaphragm body, described valve seat mounting hole downside is provided with the valve base sealing cover that stretches out.
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.
Be provided with the oscillating body seal ring around described vibration retaining part, this oscillating body seal ring is below diaphragm; Described outer seal ring is on diaphragm.
A kind of diaphragm pump with the valve base 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 by pump cover; The cavity that forms variable volume between pump cover and diaphragm 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 valve seat mounting hole downside of described diaphragm is provided with the valve base sealing cover that stretches out, and is provided with the step hole with sealing cover coupling in the described valve pocket, packs in this valve base sealing cover in described valve seat bottom, and the valve base sealing cover is squeezed between valve seat and the step hole.
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, is provided with the auxiliary seal convex tendon of an annular on this mounting platform terrace.
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, the adjusting screw peace is changeed on the pump housing and pressed spring.
The beneficial effects of the utility model
The diaphragm of diaphragm pump of this band valve base sealing cover, by having set up and a valve base sealing cover at original valve seat mounting hole place, promoted the sealability of diaphragm pump valve seat installation position, can effectively avoid gas leakage, the water leakage phenomenon of valve seat installation position, by the step hole of coupling is set in the valve pocket of diaphragm pump, the valve base sealing cover can be squeezed between valve seat and the step hole, realized crush seal radially, solve sealing problem herein completely, thereby prolonged the working life of whole diaphragm pump.
Description of drawings
Fig. 1 is the plan structure schematic representation of the diaphragm of diaphragm pump of this band valve base sealing cover;
Fig. 2 is the A-A sectional structure schematic representation of Fig. 1;
Fig. 3 is the structural representation of looking up of the diaphragm of diaphragm pump of this band valve base sealing cover;
Fig. 4 faces structural representation for the diaphragm pump of this band valve base sealing structure;
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 a local structure for amplifying schematic representation among Fig. 4.
Embodiment
Referring to Fig. 1-Fig. 7, the diaphragm of diaphragm pump of 1. band valve base sealings covers among the figure, 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, 1-7. oscillating body seal ring, 1-8. valve base sealing cover, 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 the auxiliary seal convex tendon of circle, 11. barriers, 12. adjusting screw, 13. springs, 14. water intakes, 15. annulars, wherein 4-1. embedding head.
Embodiment one: referring to Fig. 1-Fig. 3, a kind of diaphragm of diaphragm pump among the figure with the valve base sealing cover, this diaphragm diaphragm that is formed in one, contain outer seal ring and inner diaphragm body, be provided with vibration retaining part and valve seat mounting hole on the diaphragm body, described valve seat mounting hole downside is provided with the valve base sealing cover that stretches out.
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.
Be provided with the oscillating body seal ring around described vibration retaining part, this oscillating body seal ring is below diaphragm; Described outer seal ring is on diaphragm.
Embodiment two: referring to Fig. 1-Fig. 7, a kind of diaphragm pump with the valve base 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 by pump cover; The cavity that forms variable volume between pump cover and diaphragm 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 valve seat mounting hole downside of described diaphragm is provided with the valve base sealing cover that stretches out, and is provided with the step hole with sealing cover coupling in the described valve pocket, packs in this valve base sealing cover in described valve seat bottom, and the valve base sealing cover is squeezed between valve seat and the step hole.
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, is provided with the auxiliary seal convex tendon of an annular on this mounting platform terrace.
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, the adjusting screw peace is changeed on the pump housing and pressed spring.
Claims (7)
1. diaphragm of diaphragm pump with valve base sealing cover, this diaphragm diaphragm that is formed in one, contain outer seal ring and inner diaphragm body, be provided with vibration retaining part and valve seat mounting hole on the diaphragm body, it is characterized in that: described valve seat mounting hole downside is provided with the valve base sealing cover that stretches out.
2. the diaphragm of diaphragm pump of band valve base sealing cover 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.
3. the diaphragm of diaphragm pump of band valve base sealing cover according to claim 1, it is characterized in that: be provided with the oscillating body seal ring around described vibration retaining part, this oscillating body seal ring is below diaphragm; Described outer seal ring is on diaphragm.
4. the diaphragm pump with the valve base 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 by pump cover; The cavity that forms variable volume between pump cover and diaphragm 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; It is characterized in that: the valve seat mounting hole downside of described diaphragm is provided with the valve base sealing cover that stretches out, be provided with step hole in the described valve pocket with sealing cover coupling, pack in this valve base sealing cover in described valve seat bottom, the valve base sealing cover is squeezed between valve seat and the step hole.
5. the diaphragm pump of band valve base 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 of band valve base 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, is provided with the auxiliary seal convex tendon of an annular on this mounting platform terrace.
7. the diaphragm pump of band valve base 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, the adjusting screw peace is changeed on the pump housing and pressed spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200361711U CN201916167U (en) | 2011-02-11 | 2011-02-11 | Diaphragm pump diaphragm with valve seat seal gasket and diaphragm pump with valve seat seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200361711U CN201916167U (en) | 2011-02-11 | 2011-02-11 | Diaphragm pump diaphragm with valve seat seal gasket and diaphragm pump with valve seat seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201916167U true CN201916167U (en) | 2011-08-03 |
Family
ID=44415964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200361711U Expired - Fee Related CN201916167U (en) | 2011-02-11 | 2011-02-11 | Diaphragm pump diaphragm with valve seat seal gasket and diaphragm pump with valve seat seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201916167U (en) |
Cited By (1)
| 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 |
-
2011
- 2011-02-11 CN CN2011200361711U patent/CN201916167U/en not_active Expired - Fee Related
Cited By (1)
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110803 Termination date: 20140211 |