CN101482110B - Diaphragm pump - Google Patents
Diaphragm pump Download PDFInfo
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- CN101482110B CN101482110B CN2009100641724A CN200910064172A CN101482110B CN 101482110 B CN101482110 B CN 101482110B CN 2009100641724 A CN2009100641724 A CN 2009100641724A CN 200910064172 A CN200910064172 A CN 200910064172A CN 101482110 B CN101482110 B CN 101482110B
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- diaphragm
- pump
- pump housing
- valve seat
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Abstract
The invention relates to a spherical valve core and a diaphragm pump thereof. The spherical valve core comprises a cylinder valve base and a valve ball in the valve base. One end of the valve base is a water inlet, and the other end is a water outlet. The water inlet in the valve base is provided with an elastic gasket. One side of the valve ball near the water outlet is provided with a return spring. A spring guide base is arranged between the return spring and the valve ball. The return spring pushes the valve ball towards the direction of the valve base water inlet. The diaphragm pump comprises a pump body, a pump cover, a vibration device, a diaphragm and the spherical valve cores. The pump body is provided with two symmetrical valve cavities which are respectively communicated with a water inlet pipe and a water outlet pipe at the pump body. Each valve cavity is internally equipped with two spherical valve cores. The spherical valve core and the diaphragm pump thereof have less wear, low noise, long life and also have self-absorption function, and the diaphragm has good tightness, outputs water powerfully with long pump lift and can ensure the spraying quality.
Description
One, technical field
The present invention relates to a kind of diaphragm pump technical field that is mainly used in the sprayer industry, particularly relate to a kind of spherical valve core and diaphragm pump thereof.
Two, 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.
Adopt diaphragm pump on the general sprayer, diaphragm pump is a kind of major product commonly used in the modern industrial and agricultural production, the spool of traditional diaphragm pump mostly adopts sheet or round section joint ring, because it adopts flexible material, such as rubber, its corrosion-resistant, wear no resistance, wearing and tearing are very fast, especially round section joint ring with understand expansion after some agricultural chemicals contact, run into powder pesticide again, or the emulsion pesticide corrosion is very fast, and noise is very big, wearing and tearing are also very fast; Its overall life is shorter, and general work is after 120 to 130 hours, because quick abrasion, pressure reduces, thereby makes sprayer not reach the effect of atomizing, has reduced drug effect, waste peasant's money and time; Also having is exactly that the diaphragm seal structure of existing diaphragm pump is good inadequately again, and the phenomenon of leaking is many.
Three, summary of the invention
In order to solve existing the problems referred to above, the present invention proposes a kind of design that breaks traditions, and is simple in structure, durable a kind of spherical valve core and diaphragm pump thereof.
Technological scheme of the present invention is: a kind of spherical valve core, contain tubular valve seat and the valve ball in valve seat, one end of valve seat is a water intake, the other end is a water outlet, the water inlet is provided with elastic washer in the described valve seat, described valve ball is provided with return spring near a side of water outlet, is provided with the spring guide bracket between this return spring and the valve ball, and return spring is toward valve seat water intake direction overhead-valve ball.
Described valve seat internal side wall is provided with and its internal surface bus gib block in the same way.
The outer wall of described valve seat inlet end or water outlet end is provided with presses the edge.
Described spring guide bracket bottom is the column body for the clout body of band cambered surface depression on the top of this clout body.
A kind of diaphragm pump, contain the pump housing, pump cover, shake unit, diaphragm, spherical valve core, the shape of described diaphragm is similar to the upper and lower end face of the pump housing, edge at diaphragm is provided with convex tendon, be buckled between the pump housing and the pump cover and groove convex tendon coupling, the cavity that forms variable volume between pump cover and diaphragm becomes pump chamber; Described diaphragm is fixedlyed connected with shake unit; The 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 described spherical valve cores are installed in each valve pocket, this spherical valve core contains tubular valve seat and the valve ball in valve seat, one end of valve seat is a water intake, the other end is a water outlet, the water inlet is provided with elastic washer in the described valve seat, described valve ball is provided with return spring near a side of water outlet, be provided with the spring guide bracket between this return spring and the valve ball, return spring is toward valve seat water intake direction overhead-valve ball, with the water outlet of two spherical valve cores in the valve pocket that intake pipe is communicated with to the installation of valve gap one side, valve gap is pressed on the described return spring; With the water outlet of two spherical valve cores in the valve pocket that outlet pipe is communicated with towards the valve body installed inside, in this valve pocket, be provided with spring bracing.
Described diaphragm is provided with sagging edge around the valve seat of spool, the two ends of described valve pocket are provided with the step with the edge coupling of should sinking; Described valve seat is provided with and this step coupling is pressed the edge, and the sagging edge of diaphragm is pressed in the step of valve pocket.
Described valve seat internal side wall is provided with and its internal surface bus gib block in the same way; Described valve ball is a glass marble, or is baton round, or is Metal Ball.
Described shake unit contains motor, oscillating body, eccentric pivot pin, bearing, motor is fixedlyed connected with the pump housing, oscillating body is installed in the vibration cavity of the pump housing, the upper and lower end face of described oscillating body is respectively equipped with the plug of big head with slender neck, the junction surface of diaphragm is provided with counterbore small for mouth and large for cavity up and down, described plug elasticity is inserted counterbore, and the middle part of oscillating body is equipped with bearing; Described bearing is fixedlyed connected with motor reel by eccentric pivot pin.
Be communicated with by overflow mechanism between described two valve pockets, the spill cavity of overflow mechanism is located at the front end of the pump housing, be provided with circular groove and circular depressed in the spill cavity, circular groove and circular depressed are communicated with two valve pockets of the pump housing respectively, the circular barriers that is provided with the band spring in this spill cavity covers at circular groove with above the circular depressed, the outer end of this spill cavity is provided with end cap, and the end cap middle part is provided with adjusting screw, and adjusting screw is pressed on the pad of described spring.
Beneficial effect of the present invention
1, wearing and tearing are little, noise is little, the life-span is long and have self-absorption function
The water inlet is provided with packing ring in the valve seat of this spool, and described valve ball is provided with return spring near a side of water outlet, is provided with the spring guide bracket between this return spring and the valve ball, and this spring guide bracket also adopts the moderate material of hardness; So just solved valve ball impact to the valve seat water outlet in the time of high speed activities, and valve ball is to the impact of spring, reduce the wearing and tearing of valve ball and valve seat, the working life and this elastic washer that have prolonged whole spool can form sealing with valve ball in the valve ball return, thereby make the diaphragm pump of using this spool have self-absorption function.
2, diaphragm seal is good
Adopt the elasticity plug-in type to be connected between the end face of diaphragm and oscillating body, both guaranteed fixedlying connected of oscillating body and diaphragm, avoided again on diaphragm, punching, the reduction sealing, and reduced parts such as original compressing tablet and bolt; Locate to be provided with the sagging edge that is pressed at diaphragm around valve pocket in addition, guaranteed valve pocket sealing on every side, the two unification has totally improved the sealing of diaphragm, thus the phenomenon of stopping of leaking.
3, water outlet is strong, lift is far away
Because the raising of the sealability of spool and diaphragm, thereby it is many that the discharge pressure of whole diaphragm pump has been improved, and its water outlet lift has also improved a lot.
4, can guarantee to spray quality.
After diaphragm pump continuous operation 120-130 originally hour, because wearing and tearing, pressure can descend 40%, influences the atomizing effect of sprayer, the diaphragm pump of this patent, because its wearing and tearing are slow, general after continuous operation 300-400 hour, pressure only descends 20%.
Four, description of drawings
Fig. 1 faces one of complete section structural representation for spherical valve core
Fig. 2 is one of plan view of Fig. 1
Fig. 3 be spherical valve core medi-spring guide bracket structural representation
Fig. 4 faces two of complete section structural representation for spherical valve core
Fig. 5 faces two of complete section structural representation for spherical valve core
Fig. 6 is the structural representation of facing of the quiet diaphragm pump of self-priming
Fig. 7 is the backsight structural representation of the quiet diaphragm pump of self-priming
Fig. 8 is the plan structure schematic representation behind the pump cover of removing of the quiet diaphragm pump of self-priming
Fig. 9 is the B-B sectional view of Fig. 6
Five, embodiment
Embodiment one: referring to Fig. 1, Fig. 2, a kind of spherical valve core of Fig. 3, contain tubular valve seat 4 and the valve ball in valve seat 3, one end of valve seat is water intake 4-3, the other end is water outlet 4-1, water intake 4-3 is littler than valve ball 3, water outlet 4-1 is bigger than valve ball 3, water intake 4-3 place is provided with elastic washer 5 in the described valve seat 4, described valve ball 3 is provided with return spring 1 near the side of water outlet 4-1, be provided with spring guide bracket 2 between this return spring 1 and the valve ball 3, return spring 1 is toward valve seat water intake 4-1 direction overhead-valve ball 3.Also can be provided with and its internal surface bus gib block 4-2 in the same way, in order to improve the resistance of discharge capacity and 3 activities of minimizing valve ball in described valve seat internal side wall.Described spring guide bracket 2 bottoms are column body 2-2 for the clout body 2-1 of band cambered surface depression 2-3 on the top of this clout body 2-1, this cambered surface depression 2-3 in order to improve valve ball 3 in movement process with the hold facility of clout body 2-1, reduce and impact.
Embodiment two: referring to Fig. 4, embodiment two and embodiment one are basic identical, the representative meaning that number in the figure is identical is identical, something in common does not repeat, difference is, the outer wall of valve seat water outlet end is provided with pressure along 4-4 among the embodiment two, compresses the barrier film edge that sink when being installed on the diaphragm pump valve body.
Embodiment three: referring to Fig. 5, embodiment three and embodiment one are basic identical, and the representative meaning that number in the figure is identical is identical, and something in common does not repeat, and difference is, the outer wall of valve seat inlet end is provided with pressure along 4-5 among the embodiment three, and effect is identical with embodiment.
Embodiment four: referring to Fig. 3, Fig. 4, Fig. 6, Fig. 7, the quiet diaphragm pump of a kind of self-priming of Fig. 8, Fig. 9, contain the pump housing 11, pump cover 6, shake unit, diaphragm 8, spherical valve core, the shape of described diaphragm 8 is similar to the upper and lower end face of the pump housing 11, be provided with convex tendon 8-1 at the edge of diaphragm 8, be buckled between the pump housing 11 and the pump cover 6 and groove convex tendon coupling, the cavity of formation variable volume becomes pump chamber 7 between pump cover 6 and diaphragm 8; Described diaphragm 8 is up and down fixedlyed connected with shake unit; The pump housing 11 is provided with the valve pocket 9 and 12 of two symmetries, two valve pockets 9 and 12 respectively with the pump housing 11 on intake pipe 10 and outlet pipe 14 UNICOMs, two described spherical valve cores are installed in each valve pocket 9 and 12, this spherical valve core tubular valve seat 4 and valve ball in valve seat 3, one end of valve seat is water intake 4-3, the other end is water outlet 4-1, water intake 4-3 is littler than valve ball 3, water outlet 4-1 is bigger than valve ball 3, water intake 4-3 place is provided with elastic washer 5 in the described valve seat 4, described valve ball 3 is provided with return spring 1 near the side of water outlet 4-1, be provided with spring guide bracket 2 between this return spring 1 and the valve ball 3, return spring 1 is toward valve seat water intake 4-1 direction overhead-valve ball 3, and the water outlet of two spherical valve cores in the valve pocket 9 that is communicated with intake pipe 10 is installed to valve gap 6 one sides, and valve gap 6 is pressed on the described return spring 1; The water outlet of two spherical valve cores in the valve pocket 12 that is communicated with outlet pipe 14 is provided with spring bracing 13 towards the valve body installed inside in this valve pocket 12, support return spring 1 to valve gap 6 directions.Described diaphragm 8 is provided with the edge 8-2 that sink around the valve seat of spool, the two ends of described valve pocket are provided with the step with the edge 8-2 coupling of should sinking; Described valve seat 4 is provided with this step coupling and presses along 4-4 or 4-5, and the sagging edge 8-2 of diaphragm is pressed in the step of valve pocket.Described valve seat 4 internal side wall are provided with and its internal surface bus gib block 4-2 in the same way; Described valve ball 3 is a glass marble, or is baton round, or is Metal Ball.Described shake unit contains motor 31, oscillating body 32, eccentric pivot pin 34, bearing 33, motor 31 is fixedlyed connected with the pump housing 11, oscillating body 32 is installed in the vibration cavity 35 of the pump housing 11, the upper and lower end face of described oscillating body 32 is respectively equipped with the plug 36 of big head with slender neck, the junction surface of diaphragm is provided with counterbore 8-4 small for mouth and large for cavity up and down, described plug 36 elasticity are inserted counterbore 8-4, and the middle part of oscillating body 32 is equipped with bearing 33; Described bearing 33 is fixedlyed connected with 31 on motor by eccentric pivot pin 34.Be communicated with by overflow mechanism between described two valve pockets 9 and 12, the spill cavity of overflow mechanism is located at the front end of the pump housing 11, be provided with circular groove 28 and circular depressed 27 in the spill cavity, circular groove 28 and circular depressed 27 are communicated with two valve pockets 9 and 12 of the pump housings respectively by passage 21 and 29, the circular barriers 22 that is provided with band spring 13 in this spill cavity covers at circular groove 28 with above the circular depressed 27, the outer end of this spill cavity is provided with end cap 25, end cap 25 middle parts are provided with adjusting screw 24, adjusting screw 24 is pressed on the described spring, in order to the pressure of Regulation spring.
Claims (4)
1. diaphragm pump, contain the pump housing, pump cover, shake unit, diaphragm, spherical valve core, the shape of described diaphragm is similar to the upper and lower end face of the pump housing, edge at diaphragm is provided with convex tendon, be buckled between the pump housing and the pump cover and groove convex tendon coupling, the cavity that forms variable volume between pump cover and diaphragm becomes pump chamber; Described diaphragm is fixedlyed connected with shake unit; The 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 described spherical valve cores are installed in each valve pocket, this spherical valve core contains tubular valve seat and the valve ball in valve seat, one end of valve seat is a water intake, the other end is a water outlet, it is characterized in that: the water inlet is provided with elastic washer in the described valve seat, described valve ball is provided with return spring near a side of water outlet, be provided with the spring guide bracket between this return spring and the valve ball, return spring is toward valve seat water intake direction overhead-valve ball, install to valve gap one side with the water outlet of two spherical valve cores in the valve pocket that intake pipe is communicated with, valve gap is pressed on the described return spring; With the water outlet of two spherical valve cores in the valve pocket that outlet pipe is communicated with towards the valve body installed inside, in this valve pocket, be provided with spring bracing; Described shake unit contains motor, oscillating body, eccentric pivot pin, bearing, motor is fixedlyed connected with the pump housing, oscillating body is installed in the vibration cavity of the pump housing, the upper and lower end face of described oscillating body is respectively equipped with the plug of big head with slender neck, the junction surface of diaphragm is provided with counterbore small for mouth and large for cavity up and down, described plug elasticity is inserted counterbore, and the middle part of oscillating body is equipped with bearing; Described bearing is fixedlyed connected with motor reel by eccentric pivot pin.
2. diaphragm pump according to claim 1 is characterized in that: described diaphragm is provided with sagging edge around the valve seat of spool, and the two ends of described valve pocket are provided with the step with the edge coupling of should sinking; Described valve seat is provided with this step coupling and presses the edge, and the sagging limit of diaphragm is pressed along in the step of valve pocket.
3. diaphragm pump according to claim 1 is characterized in that: described valve seat internal side wall is provided with and its internal surface bus gib block in the same way; Described valve ball is a glass marble, or is baton round, or is Metal Ball.
4. diaphragm pump according to claim 1 is characterized in that; Be communicated with by overflow mechanism between described two valve pockets, the spill cavity of overflow mechanism is located at the front end of the pump housing, be provided with circular groove and circular depressed in the spill cavity, circular groove and circular depressed are communicated with two valve pockets of the pump housing respectively, the circular barriers that is provided with the band spring in this spill cavity covers at circular groove with above the circular depressed, the outer end of this spill cavity is provided with end cap, and the end cap middle part is provided with adjusting screw, and adjusting screw is pressed on the pad of described spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100641724A CN101482110B (en) | 2009-02-04 | 2009-02-04 | Diaphragm pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100641724A CN101482110B (en) | 2009-02-04 | 2009-02-04 | Diaphragm pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101482110A CN101482110A (en) | 2009-07-15 |
| CN101482110B true CN101482110B (en) | 2011-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100641724A Expired - Fee Related CN101482110B (en) | 2009-02-04 | 2009-02-04 | Diaphragm pump |
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| Country | Link |
|---|---|
| CN (1) | CN101482110B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009046958A1 (en) * | 2009-11-23 | 2011-05-26 | Robert Bosch Gmbh | Valve for reducing pressure pulsations or noise emissions in piston pump for hydraulic- or pneumatic system, has valve closure body and valve seat for piston pump |
| CN105805011A (en) * | 2014-12-31 | 2016-07-27 | 华域三电汽车空调有限公司 | Compressor back pressure float valve |
| CN113123962A (en) * | 2019-12-31 | 2021-07-16 | 中石化石油工程技术服务有限公司 | Ball cage type one-way valve and plunger pump |
| CN111487387A (en) * | 2020-05-06 | 2020-08-04 | 南京船行天下信息科技有限公司 | Shipborne mobile nitrogen dioxide detection sensor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200940562Y (en) * | 2006-07-20 | 2007-08-29 | 中国石化股份胜利油田分公司孤岛采油厂 | Novel single flow valve of pouring concentrative compound pump |
| CN200982290Y (en) * | 2006-12-19 | 2007-11-28 | 詹奇峰 | Automatic pneumatic switch for air compressor |
| CN200989478Y (en) * | 2006-10-27 | 2007-12-12 | 鲁学志 | Antileakage stop valve |
| CN201007272Y (en) * | 2007-01-09 | 2008-01-16 | 贾念国 | One-way valve of globe body valve core for diaphram pump and novel minisize electric diaphram pump thereof |
-
2009
- 2009-02-04 CN CN2009100641724A patent/CN101482110B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200940562Y (en) * | 2006-07-20 | 2007-08-29 | 中国石化股份胜利油田分公司孤岛采油厂 | Novel single flow valve of pouring concentrative compound pump |
| CN200989478Y (en) * | 2006-10-27 | 2007-12-12 | 鲁学志 | Antileakage stop valve |
| CN200982290Y (en) * | 2006-12-19 | 2007-11-28 | 詹奇峰 | Automatic pneumatic switch for air compressor |
| CN201007272Y (en) * | 2007-01-09 | 2008-01-16 | 贾念国 | One-way valve of globe body valve core for diaphram pump and novel minisize electric diaphram pump thereof |
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| Publication number | Publication date |
|---|---|
| CN101482110A (en) | 2009-07-15 |
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