CN2395053Y - Diaphragm corrosion resistant pump - Google Patents
Diaphragm corrosion resistant pump Download PDFInfo
- Publication number
- CN2395053Y CN2395053Y CN 99246769 CN99246769U CN2395053Y CN 2395053 Y CN2395053 Y CN 2395053Y CN 99246769 CN99246769 CN 99246769 CN 99246769 U CN99246769 U CN 99246769U CN 2395053 Y CN2395053 Y CN 2395053Y
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- CN
- China
- Prior art keywords
- valve
- corrosion resistant
- spool
- pump
- valve opening
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- Expired - Fee Related
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Abstract
The utility model discloses a diaphragm corrosion resistant pump which comprises a double-cavity pump body, two corrugated diaphragms sealed and clamped in the pump body, a pull rod, crank and connecting rod mechanism for driving the two diaphragms to make reciprocating movement, and a power transmission mechanism of the pull rod, crank and connecting rod mechanism, wherein, the upper part of a pump cylinder of the pump body is provided with two double-cavity valve ports which are vertically and upward arranged side by side, and are communicated with cavities in the inner sides of the two diaphragms; two the valve ports are mutually used as a fluid inlet and a fluid outlet; flanges on flange disks at the outer margins of the valve ports are embedded with an integrated check valve and a double-cavity flange disk provided with a fluid inlet and outlet pipe ports so as to form the liquid sealed type diaphragm corrosion resistant pump which is provide with the vertically upward fluid inlet and outlet pipe ports. The pump has the advantages of simple structure, long service life, universality and high interchange performance, and is suitable for the corrosion resistant delivery of different fluid.
Description
The utility model relates to the improvement of positive displacement reciprocating pump, specifically is a kind of Diaphragm corrosion resistant pump, and it belongs to the pump machines technical field.
Diaphragm pump of the prior art is to belong to the positive displacement reciprocating pump, be to utilize the bellows principle, driving connecting rod by power-transmitting unit does reciprocating linear motion, thereby constantly change the volume size of barrier film two-chamber and reach vacuum or pressure, fluid fluids such as (or gases) is sucked and discharge, reach the purpose of conveyance fluid.This pump is on-stream, and the guide sleeve that pull bar in the pump housing occurs through regular meeting so that damages pull bar and causes termination of pumping with to support guide pin bushing lubricated unfavorable and take place overheatedly.One-way valve in the pump housing often influences closing of one-way valve because of gravel and fiber stop up valve port, or opens untimelyly, dumb, so that influences pump efficiency.The power-transmitting unit complex structure of this pump, the transmission power capacity has loss, can not energy storage.
The purpose of this utility model provides a kind of novel Diaphragm corrosion resistant pump.This pump structure is wanted rationally to guarantee the pump safe handling, improves one-way valve structures, makes its switching return timely, improves its working life and Applicable scope.This pump is easy to manufacture, and is easy for installation, is beneficial to maintenance, and adaptability is strong.
Task of the present utility model is finished by following technological scheme, developed a kind of Diaphragm corrosion resistant pump, it comprises: the two-chamber pump housing, sealing is clamped in two corrugated barrier films in this pump housing, drive two barrier films reciprocating pull bar connecting rod and power-transmitting unit thereof, the pumping cylinder top of this pump housing is provided with two vertically upward side by side and two-chamber valve ports that be communicated with the inboard cavity of two barrier films, and two these valve ports are the inlet/outlet of fluid each other; Press embedding that the disjunctor one-way cock is installed and have that fluid advances or the two-chamber flange plate of outlet spout at this valve port outer rim flange plate upper flange, thereby constitute the fluid that has vertically upward sealed type Diaphragm corrosion resistant pump into and out of the mouth of pipe.
Described disjunctor one-way cock, it comprises: binary valve seat and spool; Two elastic guide spools are equipped with in activity respectively in this valve seat of being pressed embedding by flange plate, and the end face of two these spools on the center valve opening of two correspondences of this valve seat, constitutes the disjunctor one-way valve of dielasticity force direction conducting according to its elastic force difference shutoff.
Described binary valve seat, it is except being provided with center valve opening spherical concave arc surface or platform taper concave arc surface, also can be provided with upper and lower spool guiding trestle, promptly connect the intrinsic following guiding overcoat concentric by at least two following ribs, by the rib and the overcoat that leads down constitute the lower valve core guiding trestle down with this valve opening in this valve seat bottom; Being provided with the groove concentric on the outer rim end face on corresponding this valve opening of this valve seat with this valve opening, be embedded with the ring seat of upper valve core guiding trestle in this groove, this ring seat also is provided with at least two last ribs and connects the solid upward guiding overcoat concentric with this valve opening.By ring seat, last rib and last guiding overcoat constitute the upper valve core guiding trestle.
Described spool, its upper and lower end front cover are spherical convex globoidal respectively or are platform taper convex globoidal respectively, and tight with the corresponding center valve opening coupling shutoff of this valve seat; Thereon, front cover center, lower end is installed with loop bar in the upper and lower guiding respectively, in this loop bar hollow stem spring is housed, and is embedded in the corresponding upper and lower guiding overcoat together with movable the inserting of this spring, constitute the elastic guide loop bar and connect solid spool.
Described spool, it goes back hinge movable lug formula elastic guide spool, on the rubber substrate that is mounted between this valve seat and the flange plate, be provided with a big hole concentric with this valve opening, on this edge, hole, be provided with and stretch to the hinge movable lug formula hemisphere spool of these hole central authorities, just in time shutoff is on this valve opening for this spool, and this spool can its hinge connection be the certain open degree of this valve opening that axle is raised shutoff.
Described power-transmitting unit, it comprises: motor, driven internal gear in driving gear on the output shaft and the belt pulley, by being engaged in this driving gear in the driven internal gear of belt pulley, and, drive connecting rod by pulley shaft again and do reciprocating linear motion by certain gear ratio transfer motion power; Belt pulley can be worked in another or two pumps simultaneously by its outer rim belt transferring power again simultaneously.
Advantage of the present utility model is: since the pump housing vertically upward be arranged on pumping cylinder top into and out of the mouth of pipe, thereby guaranteed to have forever in the pump housing two-chamber certain fluid to exist, played the effect of sealing, guaranteed the guide sleeve of the pull bar in the pump again and supported lubricious and cooling action between the guide pin bushing, thereby can make this pump can be used as vacuum pump or air pump and use safely.Loop bar is engaged in the upper and lower guiding overcoat in the upper and lower guiding owing to designed; played positioning and guiding effect to spool; there is spring to hide in spool guiding in the loop bar again; under spring action, spool shutoff valve seat center valve opening has been played positive action; and spring had the protection effect, avoid the drawback of fiber winding spring.Because be installed with in the upper and lower guiding loop bar at the end front cover center of spool respectively and upper and lower spherical concave arc surface is arranged, after at one end front cover uses wearing and tearing, and transposing the other end front cover uses, and has increased the working life of spool like this.The hinge movable lug formula spool of selecting for use can be carried the liquid that has larger particles, not stopped by one-way valve, thereby realizes that same valve seat can use the spool of different structure, realizes the parts versatility, the effect that interchangeability is strong.Owing to adopted the power-transmitting unit of the driven internal gear gearing motor of belt pulley output shaft driving gear, reached a motor and dragged 2-3 platform pump and work simultaneously, the belt shaft energy storage flying wheel of this pump is played a role.
Embodiment's accompanying drawings of the present utility model is as follows:
Fig. 1 partly cuts open plan view for the structure of Diaphragm corrosion resistant pump.
Fig. 2 partly cuts open left view for the structure of Diaphragm corrosion resistant pump.
Fig. 3 is the disjunctor one-way cock structure sectional view of tape guide loop bar.
Fig. 4 is the disjunctor one-way cock plan view of tape guide loop bar.
Fig. 5 is the disjunctor one-way cock worm's eye view of tape guide loop bar.
Fig. 6 is the integrated valve cored structure sectional view of door assembly with hinge and glass in right hand and left movable lug.
Fig. 7 is the integrated valve cored structure plan view of door assembly with hinge and glass in right hand and left movable lug.
Fig. 8 is the integrated valve cored structure worm's eye view of door assembly with hinge and glass in right hand and left movable lug.
Referring to Fig. 1-8, the self-priming Diaphragm corrosion resistant pump of making of totally-enclosed gas-liquid, it comprises: the two-chamber pump housing 1, sealing is clamped in two corrugated barrier films 2 in the two-chamber pump housing 1.Two these barrier films 2 are to be fixedly clamped on pull bar 8 by two interior platens 4 and two external pressure plates 5; The outer diameter side of two these barrier films 2 constitutes the totally enclosed anti-corrosion two-chamber pump housing 1 along being pressed in the two-chamber caulking groove 36 of pumping cylinder 37 both sides that are embedded in the two-chamber pump housing 1 by preceding gland 3 and rear pressing cover 6 respectively.It is reciprocating to drive two barrier films 2 by pull bar 8 in this pump housing 1.This pull bar 8 is connected in crank-connecting rod 14,12 mechanisms by piston 13 again, and does reciprocating linear motion under this mechanism drives.The crank 14 of this mechanism is rotated by the power of power-transmitting unit output.This power-transmitting unit comprises: the driven internal gear 34 in the motor 31, driving gear 33 on the output shaft 32 and belt pulley.In the driven internal gear 34 that is engaged in this driving gear 33 in the belt pulley, and, drive crank-connecting rod 14,12 mechanisms by pulley shaft 35 again and do straight reciprocating motion by certain gear ratio transfer motion power.Be provided with two vertically upward and two-chamber valve ports 10 that be communicated with two barrier films, 2 inboard cavitys arranged side by side on pumping cylinder 37 tops of this pump housing 1.Two these valve ports 10 are the inlet/outlet of fluid each other.This depends on the conducting direction that is installed in the one-way cock 11 on this valve port 10 and decides.Press embedding that disjunctor one-way cock 11 and the two- chamber flange plate 19 or 17 that has fluid inlet tube mouth 18 or fluid outlet spout 16 are installed at this valve port 10 outer rim flange plate 10 ' upper flange, thereby constitute the fluid that has vertically upward and advance the sealed type Diaphragm corrosion resistant pump of outlet spout 18,16.Because fluid into and out of the mouth of pipe 18,16 openings vertically upward, thereby guaranteed there is certain fluid forever in the pump housing 1 two-chamber, have lubricious and cooling action to guide sleeve on the pull bar in the pump housing 187 and support guide pin bushing 9 like this, guarantee the normal safe handling of this pump.
The disjunctor one-way cock 11 that this Diaphragm corrosion resistant pump is designed comprises: binary valve seat 20 and spool 21.Two elastic guide spools 21 are equipped with in activity respectively in this valve seat 20 of being pressed embedding by flange plate 10 ' and 17.The end front cover of two these spools 21 on the center valve opening 30 of two correspondences of this valve seat 20, constitutes the disjunctor one-way cock 11 of dielasticity force direction conducting according to its elastic force difference shutoff.
The binary valve seat 20 of the disjunctor one-way cock 11 that this Diaphragm corrosion resistant pump is designed, it also can be provided with upper and lower spool guiding trestle except being provided with center valve opening 30 spherical concave arc surface or platform taper concave arc surface.Promptly connect the concentric following guiding overcoat 27 of intrinsic and this valve opening 30 by at least two following ribs 28 in the bottom of this valve seat 20.By the rib 28 and the overcoat 28 that leads have down constituted the lower valve core guiding trestle down.On outer rim end face on these valve seat 20 corresponding these valve openings 30, be provided with the groove concentric, be embedded with the ring seat 24 of upper valve core guiding trestle in this groove with this valve opening 30.This ring seat 24 also be provided with at least two go up rib 25 connect solid and this valve opening 30 concentric go up guiding overcoat 26, by ring seat 24, last rib 25 and last guiding overcoat 26 formation upper valve core guiding trestles.
Designed spool 21, its upper and lower end front cover are spherical convex globoidal respectively or are platform taper convex globoidal respectively, and tight with the respective center valve opening 30 coupling shutoff of this valve seat 20.Thereon, front cover center in lower end is installed with loop bar 22,23 in the upper and lower guiding respectively.In this loop bar 22 or 23 the hollow stem spring 29 is housed, and is embedded in corresponding upper and lower guiding overcoat 26 or 27, constitute the elastic guide loop bar and connect solid spool 21 together with movable the inserting of this spring.
The spool 21 of this disjunctor one-way cock 11 is gone back hinge movable lug formula elastic guide spool.On the rubber substrate 38 that is mounted between this valve seat 20 and flange plate 10 ' and 17 or 19, be provided with a big hole 39 concentric with this valve opening 30.On these 39 edges, hole, be provided with and stretch to the hinge movable lug formula hemisphere spool 21 of these hole 39 central authorities.Just in time shutoff is on this valve opening 30 for this spool, and this spool 21 can its hinge connection 4O be raised the certain open degree of this valve opening 30 of shutoff for axle, and the fluid in mixing in order to larger particles is by valve opening 30.
Claims (6)
1, a kind of Diaphragm corrosion resistant pump, it comprises: the two-chamber pump housing, sealing is clamped in two corrugated barrier films in this pump housing, drive two barrier films reciprocating pull bar connecting rod and power-transmitting unit thereof, it is characterized in that: the pumping cylinder top of this pump housing is provided with two vertically upward side by side and two-chamber valve ports that be communicated with the inboard cavity of two barrier films, and two these valve ports are the inlet/outlet of fluid each other; Press embedding that the disjunctor one-way cock is installed and have that fluid advances or the two-chamber flange plate of outlet spout at this valve port outer rim flange plate upper flange, thereby constitute the fluid that has vertically upward sealed type Diaphragm corrosion resistant pump into and out of the mouth of pipe.
2, Diaphragm corrosion resistant pump according to claim 1 is characterized in that: described disjunctor one-way cock, and it comprises: binary valve seat and spool; Two elastic guide spools are equipped with in activity respectively in this valve seat of being pressed embedding by flange plate, and the end face of two these spools on the center valve opening of two correspondences of this valve seat, constitutes the disjunctor one-way valve of dielasticity force direction conducting according to its elastic force difference shutoff.
3, Diaphragm corrosion resistant pump according to claim 2, it is characterized in that: described binary valve seat, it is except being provided with center valve opening spherical concave arc surface or platform taper concave arc surface, also can be provided with upper and lower spool guiding trestle, promptly connect the intrinsic following guiding overcoat concentric by at least two following ribs, by the rib and the overcoat that leads down constitute the lower valve core guiding trestle down with this valve opening in this valve seat bottom; Being provided with the groove concentric on the outer rim end face on corresponding this valve opening of this valve seat with this valve opening, be embedded with the ring seat of upper valve core guiding trestle in this groove, this ring seat also is provided with at least two last ribs and connects the solid upward guiding overcoat concentric with this valve opening.By ring seat, last rib and last guiding overcoat constitute the upper valve core guiding trestle.
4, according to claim 2 or 3 described Diaphragm corrosion resistant pumps, it is characterized in that: described spool, its upper and lower end front cover are spherical convex globoidal respectively or are platform taper convex globoidal respectively, and tight with the corresponding center valve opening coupling shutoff of this valve seat; Thereon, front cover center, lower end is installed with loop bar in the upper and lower guiding respectively, in this loop bar hollow stem spring is housed, and is embedded in the corresponding upper and lower guiding overcoat together with movable the inserting of this spring, constitute the elastic guide loop bar and connect solid spool.
5, Diaphragm corrosion resistant pump according to claim 2, it is characterized in that: described spool, it goes back hinge movable lug formula elastic guide spool, on the rubber substrate that is mounted between this valve seat and the flange plate, be provided with a big hole concentric with this valve opening, be provided with on this edge, hole and stretch to the hinge movable lug formula hemisphere spool of these hole central authorities, just in time shutoff is on this valve opening for this spool, and this spool can its hinge connection be the certain open degree of this valve opening that axle is raised shutoff.
6, Diaphragm corrosion resistant pump according to claim 1, it is characterized in that: described power-transmitting unit, it comprises: motor, driven internal gear in driving gear on the output shaft and the belt pulley, by being engaged in this driving gear in the driven internal gear of belt pulley, and, drive connecting rod by pulley shaft again and do reciprocating linear motion by certain gear ratio transfer motion power; Belt pulley can be worked in another or two pumps simultaneously by its outer rim belt transferring power again simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99246769 CN2395053Y (en) | 1999-10-19 | 1999-10-19 | Diaphragm corrosion resistant pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99246769 CN2395053Y (en) | 1999-10-19 | 1999-10-19 | Diaphragm corrosion resistant pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2395053Y true CN2395053Y (en) | 2000-09-06 |
Family
ID=34032323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99246769 Expired - Fee Related CN2395053Y (en) | 1999-10-19 | 1999-10-19 | Diaphragm corrosion resistant pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2395053Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102767499A (en) * | 2011-05-03 | 2012-11-07 | 上海科斗电子科技有限公司 | Self-sucking type magnetic drive pump |
-
1999
- 1999-10-19 CN CN 99246769 patent/CN2395053Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102767499A (en) * | 2011-05-03 | 2012-11-07 | 上海科斗电子科技有限公司 | Self-sucking type magnetic drive pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |