CN202117896U - Diaphragm pump diaphragm with double sealing rings at edge, and diaphragm pump thereof with double-sealing structure - Google Patents
Diaphragm pump diaphragm with double sealing rings at edge, and diaphragm pump thereof with double-sealing structure Download PDFInfo
- Publication number
- CN202117896U CN202117896U CN2011200361590U CN201120036159U CN202117896U CN 202117896 U CN202117896 U CN 202117896U CN 2011200361590 U CN2011200361590 U CN 2011200361590U CN 201120036159 U CN201120036159 U CN 201120036159U CN 202117896 U CN202117896 U CN 202117896U
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- diaphragm
- pump
- valve seat
- edge
- pump housing
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Abstract
The utility model relates to a diaphragm pump diaphragm with double sealing rings at an edge, and a diaphragm pump thereof with a double-sealing structure. The diaphragm is integrally formed and comprises an edge sealing ring and an inner diaphragm body. The diaphragm body is provided with a vibration clamping part and valve seat mounting holes. An additional sealing ring which is matched with the shape of the diaphragm and is connected with the edge sealing ring is provided outside the edge sealing ring. The diaphragm pump comprises the following components: a pump body, a pump cover, a vibrator, a diaphragm and a valve seat. The end of the pump cover and the pump body is provided with a mounting structure which is matched with the edge sealing ring and the additional sealing ring. According to the diaphragm pump diaphragm with double sealing rings at the edge, through adding the additional sealing ring based on one sealing ring at the edge of the original diaphragm, and correspondingly adding matched grooves on the pump body and the pump cover, the double-sealing structure is realized after the diaphragm is mounted, and the effect for edge sealing can be maximumly reduced when the vibrator vibrates, thereby improving a sealing effect and prolonging service life of the diaphragm pump.
Description
Technical field
The utility model relates to the diaphragm pump technical field of agricultural atomizer, particularly relates to the diaphragm of diaphragm pump of a kind of edge band double density seal and the diaphragm pump of double sealing structure thereof.
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 a seal ring at its edge to realize sealing with the pressure of the pump housing and pump cover, owing to diaphragm pump under situation about running up be vibrate stronger; Oscillating body constantly drives diaphragm and pumps in addition; Also can produce certain effect of pullling, so just cause the edge of diaphragm to leak easily, leak gas, reduction barrier film pump performance the seal ring at the edge of diaphragm; What is more, damages diaphragm pump.
The model utility content
The purpose of the utility model is in order to address the above problem, the diaphragm of diaphragm pump of a kind of edge band double density seal and the diaphragm pump of double sealing structure thereof to be provided.
The technological scheme of the utility model is: the diaphragm of diaphragm pump of a kind of edge band double density seal; 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, the outside of described outer seal ring also is provided with the additional encryption seal with this diaphragm external appearance matching, links into an integrated entity between this additional encryption seal and the outer seal ring.
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 the front end at the diaphragm body, is provided with sagging installation step in this valve seat mounting hole.
A kind of diaphragm pump that has double sealing structure, this diaphragm pump 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, 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 outside of described outer seal ring also is provided with the additional encryption seal with this diaphragm external appearance matching, links into an integrated entity through diaphragm between this additional encryption seal and the outer seal ring; The end edge edge of the described pump housing and the edge of pump cover are provided with the additional trenches with this additional encryption seal coupling, and this additional encryption seal is installed in this 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, and described valve seat is installed in the above-mentioned valve seat mounting hole; This valve seat outside is provided with the installation step coupling in ledge structure and the above-mentioned valve seat orifice.
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.
The beneficial effect of the utility model
The diaphragm of diaphragm pump of this edge band double density seal and the diaphragm pump of double sealing structure thereof; Through on the basis of the seal ring in original diaphragm edge, increasing an additional encryption seal again; On the pump housing and pump cover, increase the groove of coupling accordingly, realized the double sealing structure after diaphragm is installed, the influence that in the time of can farthest reducing the oscillating body vibration edge is sealed; Improve sealing effect, increased the working life of diaphragm pump.
Description of drawings
Fig. 1 is the plan structure schematic representation of the diaphragm of diaphragm pump of this edge band double density seal
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 edge band double density seal
Fig. 4 is that the diaphragm pump that has double 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.
Embodiment
Referring to Fig. 1-Fig. 6, the diaphragm of diaphragm pump of 1. edge band double density seal 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, the seal of 1-7. additional encryption, 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; The diaphragm of diaphragm pump of a kind of edge band double density seal among the figure; This diaphragm diaphragm that is formed in one contains outer seal ring and inner diaphragm body, on the diaphragm body, is provided with vibration retaining part and valve seat mounting hole; The outside of described outer seal ring also is provided with the additional encryption seal with this diaphragm external appearance matching, links into an integrated entity between this additional encryption seal and the outer seal ring.
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 the front end at the diaphragm body, is provided with sagging installation step in this valve seat mounting hole.
Embodiment two: referring to Fig. 1-Fig. 6, and a kind of diaphragm pump that has double sealing structure among the figure, this diaphragm pump 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, 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 outside of described outer seal ring also is provided with the additional encryption seal with this diaphragm external appearance matching, links into an integrated entity through diaphragm between this additional encryption seal and the outer seal ring; The end edge edge of the described pump housing and the edge of pump cover are provided with the additional trenches with this additional encryption seal coupling, and this additional encryption seal is installed in this 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, and described valve seat is installed in the above-mentioned valve seat mounting hole; This valve seat outside is provided with the installation step coupling in ledge structure and the above-mentioned valve seat orifice.
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. the diaphragm of diaphragm pump of an edge band double density seal; 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, it is characterized in that: the outside of described outer seal ring also is provided with the additional encryption seal with this diaphragm external appearance matching, links into an integrated entity between this additional encryption seal and the outer seal ring.
2. the diaphragm of diaphragm pump of edge according to claim 1 band double density seal; 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 of edge according to claim 1 band double density seal 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.
4. diaphragm pump that has double sealing structure, this diaphragm pump 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, 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 outside of described outer seal ring also is provided with the additional encryption seal with this diaphragm external appearance matching, links into an integrated entity through diaphragm between this additional encryption seal and the outer seal ring; The end edge edge of the described pump housing and the edge of pump cover are provided with the additional trenches with this additional encryption seal coupling, and this additional encryption seal is installed in this additional trenches.
5. the diaphragm pump that has double 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 double 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, and described valve seat is installed in the above-mentioned valve seat mounting hole; This valve seat outside is provided with the installation step coupling in ledge structure and the above-mentioned valve seat orifice.
7. the diaphragm pump that has double 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 |
|---|---|---|---|
| CN2011200361590U CN202117896U (en) | 2011-02-11 | 2011-02-11 | Diaphragm pump diaphragm with double sealing rings at edge, and diaphragm pump thereof with double-sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200361590U CN202117896U (en) | 2011-02-11 | 2011-02-11 | Diaphragm pump diaphragm with double sealing rings at edge, and diaphragm pump thereof with double-sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202117896U true CN202117896U (en) | 2012-01-18 |
Family
ID=45458968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200361590U Expired - Fee Related CN202117896U (en) | 2011-02-11 | 2011-02-11 | Diaphragm pump diaphragm with double sealing rings at edge, and diaphragm pump thereof with double-sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202117896U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105927515A (en) * | 2016-06-18 | 2016-09-07 | 浙江爱力浦科技股份有限公司 | S-type sealing-up and leak-proof structure for diaphragm of electromagnetic diaphragm metering 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 |
| CN108397380A (en) * | 2018-03-15 | 2018-08-14 | 苏州金莱克精密机械有限公司 | A kind of sealing device and booster pump for booster pump |
-
2011
- 2011-02-11 CN CN2011200361590U patent/CN202117896U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105927515A (en) * | 2016-06-18 | 2016-09-07 | 浙江爱力浦科技股份有限公司 | S-type sealing-up and leak-proof structure for diaphragm of electromagnetic diaphragm metering 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 |
| CN108397380A (en) * | 2018-03-15 | 2018-08-14 | 苏州金莱克精密机械有限公司 | A kind of sealing device and booster pump for booster 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 |
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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: 20120118 Termination date: 20140211 |