CN111894837B

CN111894837B - Diaphragm water pump

Info

Publication number: CN111894837B
Application number: CN202010790285.9A
Authority: CN
Inventors: 张灵辉
Original assignee: Shenzhen Jichuangxing Technology Co ltd
Current assignee: Shenzhen Jichuangxing Technology Co ltd
Priority date: 2020-08-07
Filing date: 2020-08-07
Publication date: 2023-01-10
Anticipated expiration: 2040-08-07
Also published as: CN111894837A

Abstract

The invention belongs to the technical field of diaphragm water pumps, and particularly relates to a diaphragm water pump; comprises a pump body and a motion mechanism; the end surfaces of the left side and the right side of the movement mechanism are fixedly connected with a compression box, and the compression box is in a conical design; the inner wall of the motion mechanism is provided with air grooves which are communicated with high-pressure air; first air injection holes are uniformly distributed in the inner wall of the motion mechanism on the left side of the air groove, and the first air injection holes are uniformly communicated with the left compression box; the right side of the air groove is provided with second air injection holes which are uniformly distributed and communicated with the right side compression box; the diaphragm pump is mainly used for solving the problems that diaphragms in the diaphragm pump in the prior art are made of specific materials, each diaphragm is only suitable for one type of liquid, and when other types of liquids are pumped, the water pump with diaphragms made of different materials needs to be replaced, so that the working cost is increased, and the application range of the water pump is limited.

Description

Diaphragm water pump

Technical Field

The invention belongs to the technical field of diaphragm water pumps, and particularly relates to a diaphragm water pump.

Background

The diaphragm pump is actually a plunger pump, and the plunger and the pump cylinder are protected by separating the infused liquid from the plunger and the pump cylinder through a film. The left side of the diaphragm is made of corrosion-resistant materials or coated with a layer of corrosion-resistant materials, the right side of the diaphragm is filled with water or oil, the flow characteristic of the diaphragm pump is the relation between the relative flow and the displacement (relative opening degree) of a valve when a medium flows through the valve, and the ideal flow characteristic mainly comprises 4 types of straight lines, equal percentage (logarithm), parabolas, quick opening and the like. The commonly used ideal flow characteristics are only three types, namely straight line, equal percentage (logarithm) and quick opening, and the introduction of the diaphragm water pump can be referred to in the journal: ji Xiaoke, xu Li, li Dongsheng, research and experimental evaluation of diaphragm water injection pump, inner Mongolia petrochemical 2015 (10), however, there are still certain problems in the diaphragm water pump at present, which specifically include the following aspects:

the diaphragm in the diaphragm water pump among the prior art is made for specific material, and every kind of diaphragm only is applicable to a liquid, still need change the water pump that possess different material diaphragms when extracting other kinds of liquid to can improve working cost, restricted the application range of water pump, when can not find the water pump of mutual matching, still need purchase the water pump again or change the diaphragm, thereby increased working cost and intensity of labour's problem.

In the prior art, some solutions related to a diaphragm pump are provided, for example, patent No. 201710645862.3 is named as a diaphragm pump, and the diaphragm pump manufactured by using various mechanisms in the technical solution has a certain tightness of water sealing, can avoid or reduce the vibration, but cannot ensure the sealing performance of the diaphragm, and is troublesome to replace the diaphragm.

In view of this, in order to overcome the above technical problems, the present inventors have designed and developed a diaphragm water pump, which solves the above problems.

Disclosure of Invention

In order to make up for the defects of the prior art, the diaphragm water pump provided by the invention is mainly used for solving the problems that the diaphragms in the diaphragm water pump in the prior art are made of specific materials, each diaphragm is only suitable for one type of liquid, when other types of liquid are extracted, the water pump with the diaphragms made of different materials needs to be replaced, so that the working cost is increased, the use range of the water pump is limited, and when the mutually matched water pumps cannot be found, the water pump needs to be bought again or the diaphragms need to be replaced, so that the working cost and the labor intensity are increased.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a diaphragm water pump, which comprises a pump body and a movement mechanism; the end faces of the left side and the right side of the movement mechanism are fixedly connected with a compression box, and the compression box is in a conical design; the inner wall of the motion mechanism is provided with air grooves which are communicated with high-pressure air; first air injection holes are uniformly distributed in the inner wall of the motion mechanism on the left side of the air groove, and the first air injection holes are communicated with the left compression box; second air injection holes are uniformly formed in the right side of the air groove and are communicated with the right compression box; the air distribution block is connected in the air groove in a sliding manner through a control rod; a driving rod is connected in the inner wall of the movement mechanism in a sliding manner, and the driving rod is designed in a bidirectional conical manner; the side, opposite to the driving rod, of the driving rod is fixedly connected with clamping shafts which are uniformly arranged on the outer surface of the driving rod; the two compression boxes comprise a left box body and a right box body; auxiliary plates are fixedly connected to the outer surfaces of the two compression boxes at the front side and the rear side of the compression boxes, and the auxiliary plates are used for fixing the left box body and the right box body; the upper side and the lower side of each compression box are fixedly connected with storage boxes on the outer surfaces of the compression boxes, and the storage boxes are fixedly connected with the auxiliary plate; the compression box can be sealed by matching the storage box with the auxiliary plate; a retraction rod is rotatably connected in the inner wall of each storage box through a motor; the outer surface of the retraction rod is wound with uniformly arranged diaphragms which are made of different materials and are designed to be circular; the upper surface of each diaphragm is fixedly connected with a long shaft; the lower surface of each diaphragm is fixedly connected with a long block, long grooves are formed in the long blocks, and the long grooves are matched with the long shaft; the diaphragms on the upper retracting rods are connected with the films on the lower retracting rods, and the diaphragms are arranged between the left box body and the right box body; a notch is formed in the center line of each diaphragm, and the notches are matched with the driving rods; the inner wall of each storage box is fixedly connected with cleaning layers which are uniformly arranged through a rotating shaft, and the cleaning layers are arranged on two sides of the diaphragm and are attached to the diaphragm; an annular groove is formed in the inner wall of one side, opposite to the right box body, of each left box body; the end surfaces of two sides of each diaphragm are fixedly connected with annular shafts, and the annular shafts are matched with the annular grooves; the two compression boxes are fixedly connected with the pump body; when the water pump manufactured by the invention is used, when the diaphragms made of other materials need to be replaced, because high-pressure gas exists in the gas tank, when the gas distributing block moves to the first gas spraying hole, the first air injection holes inject air outwards, the driving rod can be driven to move leftwards, when the driving rod moves to the left side, the air injection into the air groove is stopped at the moment, a diaphragm originally fixed on the right side of the driving rod is separated from the driving rod, at the moment, the controller controls the motor in the storage box to rotate, the motor can drive the take-up rod to rotate in the rotating process, the diaphragm on the take-up rod can be driven to move between the left box body and the right box body in the rotating process of the take-up rod, when the rotating diaphragm moves to the two sides of the cleaning layer, the cleaning layer can absorb and clean liquid on the outer surface of the diaphragm, the liquid on the outer surface of the diaphragm can be prevented from adhering to other diaphragms in the process, so that other diaphragms are corroded, when a film to be replaced moves between the left box body and the right box body, because annular shafts fixedly connected with end faces on the two sides of the diaphragm are mutually matched with annular grooves formed in the inner walls of the left box body and the right box body, the annular shaft on the diaphragm can be clamped into the annular groove, the diaphragm can be fixed in the process, the diaphragm is prevented from shaking in the process of working to influence the working process, meanwhile, the sealing degree between the diaphragm and the left box body and the right box body can be improved, liquid is prevented from flowing out, the diaphragm can be replaced in the process, the working efficiency is prevented from being influenced by the replacement of a water pump, the diaphragm is fixed in the compression box, the gas distributing block moves to the second gas orifice at the moment, the gas can drive the driving rod to move rightwards through the gas, the driving rod is in a conical design, a notch in the center position of the diaphragm can be inserted, the national degree of the diaphragm and the driving rod can be improved in the process, the diaphragm is prevented from falling off in the working process, the outer surface of the driving rod is fixedly connected with clamping shafts which are uniformly arranged, the clamping shafts can penetrate through the notch in the process of rightwards movement of the driving rod, the fixing degree of the diaphragm can be further improved in the process, when the driving rod moves to the right side, the diaphragm on the right side is controlled by the controller to rotate and is replaced, the diaphragm on the right side, the moment, the left box body is fixedly connected with the left box body through the auxiliary plate, the left box body, the fixing shaft and the fixing degree of the compression box body between the right box body can be improved, and the sealing degree of the compression box body can be improved at the right box body.

Preferably, a circular groove is formed in the inner wall of the driving rod, and the circular groove is not communicated with the outside; the inner wall of the circular groove is provided with strip-shaped grooves which are uniformly distributed and are communicated with the air groove; the side, opposite to the driving rod, of the driving rod is provided with uniformly distributed sliding grooves in the inner wall of the driving rod, and the sliding grooves are communicated with the circular grooves through holes; a sliding shaft is interactively connected to the inner wall of each sliding chute through a spring, and the end surface of one side, opposite to the sliding shaft, of each sliding chute is in an arc design; arc-shaped grooves which are uniformly distributed are formed in the inner wall of each notch, and the arc-shaped grooves are matched with the sliding shafts; trapezoidal grooves are uniformly formed in the outer wall of the driving rod positioned between every two adjacent sliding grooves and are communicated with the outside; trapezoidal blocks which are uniformly distributed are fixedly connected in the inner wall of each diaphragm notch, and the trapezoidal blocks are matched with the trapezoidal grooves; the during operation, because the bar groove communicates with the circular slot all the time, at the gas tank jet-propelled in-process, the gas in the gas tank can flow into the circular slot through the bar groove, when gas flows into the circular slot, can flow into in the spout through the through-hole, can be with the smooth shaft jack-up of evenly arranging after gas flows into in the spout, because the arc wall of seting up in the diaphragm breach inner wall mutually supports with the smooth shaft, thereby can push into the smooth shaft jack-up in the arc wall, fixed degree between diaphragm and the actuating lever can further be improved at this in-process, thereby prevent that the diaphragm from taking place the landing in the process of work, thereby influence the course of the work of diaphragm, can also improve the sealed degree between diaphragm and the actuating lever simultaneously, thereby prevent in the liquid inflow motion, at the in-process that the actuating lever removed to the diaphragm direction, the trapezoidal piece that links firmly in the breach can stretch into the trapezoidal slot, can further improve the stability of actuating lever and diaphragm in this in-process.

Preferably, an air passage is formed in the inner wall of each sliding shaft and is communicated with the sliding chute; the side, opposite to the sliding shaft, of each sliding shaft is fixedly connected with a long bag on the outer surface of the sliding shaft, and the long bags are made of corrosion-resistant rubber materials; each long bag inner cavity is communicated with an air passage; the during operation, because the long bag that the slide shaft surface linked firmly passes through air flue and spout intercommunication, back in the arc wall is gone into to the slide shaft card, in the gas in the spout can flow in the long bag through the air flue, when gas flows in the long bag, can make long bag inflation, can further improve the laminating degree of actuating lever and diaphragm at this in-process to further improve the fixed degree between diaphragm and the actuating lever, can also further improve the sealed degree between diaphragm and the actuating lever simultaneously.

Preferably, the inner wall of each sliding shaft is connected with uniformly distributed interlayers in a sliding manner through springs, and cavities at the bottoms of the interlayers are communicated with the circular grooves through air passages; each interlayer is used for fixing the diaphragm; during operation, because sliding connection has the interlayer of evenly arranging in the slide bar inner wall, after the interlayer is fixed on the actuating lever, the gas in the spout can flow into the cavity below the interlayer through the air flue, and when the gas flows into the cavity below the interlayer, can promote the interlayer to move to the slide bar outside, can extrude the diaphragm to between two interlayers at the in-process that the interlayer removed, can further improve the fixed degree of interlayer at this in-process to prevent that the diaphragm from sliding on the actuating lever.

Preferably, a rectangular groove is formed in the inner wall of the retraction rod, and a long block fixedly connected to the diaphragm is arranged in the rectangular groove; an annular groove is formed in the inner wall of the rectangular groove, and an annular block is connected in the sliding groove in a sliding manner; the opposite side of each ring block is fixedly connected with a ring rod, and the ring rods can be inserted into the long blocks; a long rod is fixedly connected to one side of each ring rod, which is opposite to the ring rod, and the long rods extend to the retracting rods; the inner wall of the ring groove is connected with evenly distributed inserted rods in a sliding manner, and the inserted rods can extend out of the external design; the during operation, because the annular is arranged in to the rectangular block that links firmly on the diaphragm, when the diaphragm on the receipts pole takes place to damage, the pole rotation is received in control this moment, receive pole pivoted in-process with the diaphragm winding on the receipts pole that corresponds, open the case lid of storage tank this moment, then through stock to both sides slip ring piece, can break away from the rectangular block at the gliding in-process ring pole of ring piece, then take out the rectangular block, and stimulate the diaphragm, find the diaphragm after the damage and change, can be convenient change the diaphragm at this in-process, thereby labour saving and time saving, after the diaphragm is changed, promote the ring piece this moment and make the ring pole insert in the rectangular block, then the pole rotation is received in controller control, can extrude the inserted bar at receipts pole pivoted in-process, can further improve the fixed degree of ring piece at this in-process, thereby make the better diaphragm of ring piece fix.

The invention has the following beneficial effects: 1. the sliding shaft is arranged, so that the sliding shaft which is uniformly arranged can be jacked up after gas flows into the sliding groove, the arc-shaped groove formed in the inner wall of the notch of the diaphragm is matched with the sliding shaft, the sliding shaft can be jacked into the arc-shaped groove, the fixing degree between the diaphragm and the driving rod can be further improved in the process, the diaphragm is prevented from sliding off in the working process, the working process of the diaphragm is influenced, the sealing degree between the diaphragm and the driving rod can be improved, liquid is prevented from flowing into the movement mechanism, the trapezoidal block fixedly connected in the notch can extend into the trapezoidal groove in the process that the driving rod moves towards the direction of the diaphragm, and the stability degree of the driving rod and the diaphragm can be further improved in the process.

Drawings

The invention will be further explained with reference to the drawings.

FIG. 1 is a body diagram of the present invention; FIG. 2 is a cross-sectional view of the present invention; FIG. 3 is an enlarged view of a portion A of FIG. 2; FIG. 4 is an enlarged view of a portion of FIG. 2 at B; FIG. 5 is an enlarged view of a portion of FIG. 2 at C; FIG. 6 is a cross-sectional view taken at D-D of FIG. 2; FIG. 7 is an enlarged view of a portion E of FIG. 6;

in the figure: the pump body 1, the compression box 11, the left box body 12, the right box body 13, the auxiliary plate 14, the diaphragm 15, the notch 16, the annular groove 17, the annular shaft 18, the movement mechanism 2, the air groove 21, the first air injection hole 22, the second air injection hole 23, the air distribution block 24, the driving rod 25, the clamping shaft 26, the circular groove 27, the strip-shaped groove 28, the sliding shaft 29, the arc-shaped groove 291, the trapezoidal groove 292, the trapezoidal block 293, the long bag 294, the interlayer 295, the air pipe 296, the storage box 3, the take-up rod 31, the rectangular groove 32, the annular groove 33, the annular block 34, the inserted rod 35 and the annular rod 36.

Detailed Description

A diaphragm water pump according to an embodiment of the present invention will be described below with reference to fig. 1 to 7.

As shown in fig. 1-7, the diaphragm water pump of the present invention comprises a pump body 1 and a moving mechanism 2; the end surfaces of the left side and the right side of the movement mechanism 2 are fixedly connected with compression boxes 11, and the compression boxes 11 are designed in a conical shape; an air groove 21 is formed in the inner wall of the movement mechanism 2, and the air grooves 21 are communicated with high-pressure air; first air injection holes 22 are uniformly distributed in the inner wall of the movement mechanism 2 on the left side of the air groove 21, and the first air injection holes 22 are communicated with the left compression box 11; the right side of the air groove 21 is provided with second air injection holes 23 which are uniformly distributed, and the second air injection holes 23 are communicated with the right side compression box 11; the air distribution block 24 is connected in the air groove 21 in a sliding manner through a control rod; a driving rod 25 is connected in the inner wall of the motion mechanism 2 in a sliding manner, and the driving rod 25 is designed in a bidirectional conical manner; the side, opposite to the driving rod 25, of the driving rod 25 is fixedly connected with clamping shafts 26 which are uniformly arranged on the outer surface of the driving rod 25; the two compression boxes 11 comprise a left box body 12 and a right box body 13; auxiliary plates 14 are fixedly connected to the outer surfaces of the two compression boxes 11 at the front side and the rear side of the compression boxes 11, and the auxiliary plates 14 are used for fixing the left box body 12 and the right box body 13; the storage boxes 3 are fixedly connected to the outer surfaces of the compression boxes 11 at the upper side and the lower side of each compression box 11, and the storage boxes 3 are fixedly connected with the auxiliary plate 14; the storage box 3 is matched with the auxiliary plate 14 to seal the compression box 11; a retracting rod 31 is rotatably connected in the inner wall of each storage box 3 through a motor; the outer surface of the retraction rod 31 is wound with the diaphragms 15 which are uniformly arranged, and the diaphragms 15 are made of different materials and are designed in a circular shape; the upper surface of each diaphragm 15 is fixedly connected with a long shaft; the lower surface of each diaphragm 15 is fixedly connected with a long block, long grooves are formed in the long blocks, and the long grooves are matched with the long shaft; the diaphragms 15 on the upper retracting rods 31 are connected with the films on the lower retracting rods 31, and the diaphragms 15 are arranged between the left box body 12 and the right box body 13; a notch 16 is formed in the center line of each diaphragm 15, and the notches 16 are matched with the driving rod 25; the inner wall of each storage box 3 is fixedly connected with cleaning layers which are uniformly arranged through a rotating shaft, and the cleaning layers are arranged on two sides of a diaphragm 15 and attached to the diaphragm 15; an annular groove 17 is formed in the inner wall of one side, opposite to the right box body 13, of each left box body 12; two side end faces of each diaphragm 15 are fixedly connected with an annular shaft 18, and the annular shafts 18 are matched with the annular grooves 17; the two compression boxes 11 are fixedly connected with the pump body 1; when the water pump manufactured by the invention is used, when the membranes 15 made of different materials need to be replaced, the gas tank 21 is filled with high-pressure gas, when the gas distribution block 24 moves to the first gas injection hole 22, the first gas injection hole 22 faces outwards and can drive the membrane 25 to move leftwards, when the driving rod 25 moves to the left side, the driving rod 25 stops cleaning gas and cleans the membrane 15 fixed in the gas tank, when the driving rod 15 rotates to the right side, the driving rod 31 can drive the membrane 15 to rotate in the driving rod, and when the driving rod 15 rotates to control the rotation of the membrane 15, the membrane 15 can be prevented from rotating in the left side, and when the membrane 15 rotates to clean the membrane 15, the membrane 15 can be prevented from rotating in the driving rod 15, so that the problems of working cost and labor intensity are solved, when a film to be replaced moves between the left box 12 and the right box 13, because the annular shaft 18 fixedly connected with the end surfaces of the two sides of the diaphragm 15 is matched with the annular groove 17 formed in the inner walls of the left box 12 and the right box 13, the annular shaft 18 on the diaphragm 15 can be clamped into the annular groove 17, the diaphragm 15 can be fixed in the process, the diaphragm 15 is prevented from shaking in the working process to influence the working process, meanwhile, the sealing degree between the diaphragm 15 and the left box 12 and the right box 13 can be improved, liquid is prevented from flowing out, the diaphragm 15 can be replaced in the process, the working efficiency is prevented from being influenced by a water pump, after the diaphragm 15 is fixed in the compression box 11, the gas distributing block 24 moves to the second gas injection hole 23, the gas can drive the drive rod 25 to move rightwards, because the drive rod 25 is conical, the notch 16 in the center of the diaphragm 15 can be inserted, the fixing degree of the diaphragm 15 and the drive rod 25 can be improved in the process, the working process, the diaphragm 15 and the drive rod 15 can be prevented from falling off in the working process, because the outer surface of the shaft 26 is fixedly connected with the drive rod 25, the right side of the diaphragm 15 can be further improved, the left box 12 and the right box 13, the auxiliary shaft 14 can be further controlled by the auxiliary plate, and the auxiliary plate 12, the auxiliary plate 14.

As an embodiment of the present invention, a circular groove 27 is cut in the inner wall of the driving rod 25, and the circular groove 27 is not communicated with the outside; the inner wall of the circular groove 27 is provided with strip-shaped grooves 28 which are uniformly distributed, and the strip-shaped grooves 28 are communicated with the air groove 21; the side, opposite to the driving rod 25, of the driving rod 25 is provided with uniformly arranged sliding grooves in the inner wall of the driving rod 25, and the sliding grooves are communicated with the circular grooves 27 through holes; a sliding shaft 29 is interactively connected to the inner wall of each sliding chute through a spring, and the end surface of one side, opposite to the sliding shaft 29, of each sliding chute is in an arc shape; arc-shaped grooves 291 are uniformly arranged in the inner wall of each notch 16, and the arc-shaped grooves 291 are matched with the sliding shaft 29; trapezoidal grooves 292 are uniformly formed in the outer wall of the driving rod 25 positioned between every two adjacent sliding grooves, and the trapezoidal grooves 292 are communicated with the outside; trapezoidal blocks 293 which are uniformly arranged are fixedly connected in the inner wall of each notch 16 of the diaphragm 15, and the trapezoidal blocks 293 are matched with the trapezoidal grooves 292; during operation, because the strip-shaped groove 28 is always communicated with the circular groove 27, in the process of gas injection of the gas groove 21, gas in the gas groove 21 can flow into the circular groove 27 through the strip-shaped groove 28, when the gas flows into the circular groove 27, the gas can flow into the sliding groove through the through hole, after the gas flows into the sliding groove, the sliding shafts 29 which are uniformly arranged can be jacked up, because the arc-shaped groove 291 formed in the inner wall of the notch 16 of the diaphragm 15 is matched with the sliding shafts 29, the sliding shafts 29 can be jacked into the arc-shaped groove 291, the fixing degree between the diaphragm 15 and the driving rod 25 can be further improved in the process, the diaphragm 15 is prevented from sliding down in the working process, the working process of the diaphragm 15 is influenced, meanwhile, the sealing degree between the diaphragm 15 and the driving rod 25 can be improved, liquid is prevented from flowing into the movement mechanism 2, in the process that the driving rod 25 moves towards the direction of the diaphragm 15, the trapezoid blocks 293 fixedly connected in the notch 16 can extend into the trapezoid-shaped groove 292, and the stabilizing degree between the driving rod 25 and the diaphragm 15 can be further improved in the process.

As an embodiment of the present invention, an air passage is opened in an inner wall of each sliding shaft 29, and the air passages are communicated with the sliding grooves; a long bag 294 is fixedly connected to the outer surface of each sliding shaft 29 on the side opposite to the sliding shaft 29, and the long bag 294 is made of corrosion-resistant rubber materials; the cavity in each long bag 294 is communicated with the air passage; during operation, because the long bag 294 that the outer surface of slide shaft 29 links firmly passes through air flue and spout intercommunication, after slide shaft 29 card goes into arc wall 291, the gas in the spout can flow into long bag 294 through the air flue, when gas flows into long bag 294, can make long bag 294 inflation, can further improve the laminating degree of actuating lever 25 and diaphragm 15 at this in-process to further improve the fixed degree between diaphragm 15 and the actuating lever 25, can also further improve the sealed degree between diaphragm 15 and the actuating lever 25 simultaneously.

As an embodiment of the invention, uniformly arranged spacers 295 are slidably connected in the inner wall of each sliding shaft 29 through springs, and cavities at the bottoms of the spacers 295 are communicated with the circular groove 27 through air passages; each of the spacers 295 is used to secure the diaphragm 15; during operation, because the interlayer 295 that is evenly arranged is connected in the sliding shaft 29 inner wall in a sliding manner, after the interlayer 295 is fixed on the driving rod 25, gas in the sliding chute can flow into the cavity below the interlayer 295 through the air passage, when the gas flows into the cavity below the interlayer 295, the interlayer 295 can be pushed to move towards the outer side of the sliding shaft 29, the diaphragm 15 can be extruded between the two interlayers 295 in the moving process of the interlayer 295, the fixing degree of the interlayer 295 can be further improved in the process, and therefore the diaphragm 15 is prevented from sliding on the driving rod 25.

As an embodiment of the present invention, a rectangular groove 32 is opened in the inner wall of the retracting rod 31, and a long block fixedly connected to the diaphragm 15 is placed in the rectangular groove 32; a ring groove 33 is formed in the inner wall of the rectangular groove 32, and a ring block 34 is connected in the sliding groove in a sliding manner; a ring rod 36 is fixedly connected to one side of each ring block 34, and the ring rods 36 can be inserted into the long blocks; a long rod is fixedly connected to one side of each ring rod 36 opposite to the other side, and each long rod extends to the corresponding retracting rod 31; the inner wall of the ring groove 33 is connected with evenly distributed inserted rods 35 in a sliding manner, and the inserted rods 35 can extend out of the external design; when the storage box is in operation, because the long block fixedly connected to the diaphragm 15 is arranged in the annular groove 33, when the diaphragm 15 on the retracting rod 31 is damaged, the retracting rod 31 is controlled to rotate at the moment, the diaphragm 15 is wound on the corresponding retracting rod 31 in the rotating process of the retracting rod 31, the box cover of the storage box 3 is opened at the moment, then the ring blocks 34 are slid towards two sides through the long rod, the ring rod 36 can be separated from the long block in the sliding process of the ring blocks 34, then the long block is taken out, the diaphragm 15 is pulled, the damaged diaphragm 15 is found and replaced, the diaphragm 15 can be conveniently replaced in the process, time and labor are saved, after the diaphragm 15 is replaced, the ring blocks 34 are pushed to enable the ring rods 36 to be inserted into the long block at the moment, then the controller controls the retracting rod 31 to rotate, the inserting rods 35 can be extruded in the rotating process of the retracting rod 31, the fixing degree of the ring blocks 34 can be further improved in the process, and the diaphragm 15 can be better fixed.

The specific working process is as follows: when the water pump manufactured by the invention is used, when the diaphragm 15 made of other materials needs to be replaced, because high-pressure gas is in the gas groove 21, when the gas distribution block 24 moves to the first gas injection hole 22, the first gas injection hole 22 injects gas outwards, and simultaneously the driving rod 25 can be driven to move leftwards, when the driving rod 25 moves to the left side, gas injection into the gas groove 21 is stopped, and simultaneously the diaphragm 15 originally fixed on the right side of the driving rod 25 is separated from the driving rod 25, at the moment, the controller controls the motor in the storage box 3 to rotate, the take-up rod 31 can be driven to rotate in the rotating process of the motor, the diaphragm 15 on the take-up rod 31 can be driven to move between the left box body 12 and the right box body 13 in the rotating process of the take-up rod 31, when the rotating diaphragm 15 moves to the two sides of the cleaning layer, the cleaning layer can absorb and clean liquid on the outer surface of the diaphragm 15, and can prevent the liquid on the outer surface of the diaphragm 15 from adhering to other diaphragms 15 in the process, therefore, other diaphragms 15 are corroded, when a film to be replaced moves between the left box body 12 and the right box body 13, the annular shaft 18 fixedly connected with the end faces of the two sides of the diaphragm 15 is matched with the annular groove 17 formed in the inner walls of the left box body 12 and the right box body 13, the annular shaft 18 on the diaphragm 15 can be clamped into the annular groove 17, the diaphragm 15 can be fixed in the process, after the diaphragm 15 is fixed in the compression box 11, the gas distributing block 24 moves to the second gas ejecting hole 23, the gas can drive the driving rod 25 to move rightwards, the driving rod 25 is in a conical design, so that the notch 16 in the center of the diaphragm 15 can be inserted, the national degree of the diaphragm 15 and the driving rod 25 can be improved in the process, the diaphragm 15 is prevented from falling off in the working process, and the clamping shafts 26 which are uniformly arranged are fixedly connected to the outer surface of the driving rod 25, the clamping shaft 26 can pass through the notch 16 in the process that the driving rod 25 moves rightwards, the fixing degree of the diaphragm 15 can be further improved in the process, when the driving rod 25 moves rightwards, the controller controls the diaphragm 15 on the right side to rotate and replace at the moment, and the left box body 12 is fixedly connected with the right box body 13 through the auxiliary plate 14, so that the fixing degree between the left box body 12 and the right box body 13 can be improved, and meanwhile, the sealing degree of the compression box 11 can also be improved.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A diaphragm water pump characterized by: comprises a pump body (1) and a motion mechanism (2); the end faces of the left side and the right side of the movement mechanism (2) are fixedly connected with compression boxes (11), and the compression boxes (11) are designed in a conical shape; an air groove (21) is formed in the inner wall of the movement mechanism (2), and the air grooves (21) are communicated with high-pressure air; first air injection holes (22) which are uniformly distributed are formed in the inner wall of the movement mechanism (2) on the left side of the air groove (21), and the first air injection holes (22) are communicated with the left compression box (11); second air injection holes (23) are uniformly formed in the right side of the air groove (21), and the second air injection holes (23) are communicated with the right compression box (11); the air distribution block (24) is connected in the air groove (21) in a sliding way through a control rod; a driving rod (25) is connected to the inner wall of the movement mechanism (2) in a sliding manner, and the driving rod (25) is designed in a bidirectional conical manner; the outer surface of the driving rod (25) on the opposite side of the driving rod (25) is fixedly connected with clamping shafts (26) which are uniformly arranged; the two compression boxes (11) comprise a left box body (12) and a right box body (13); auxiliary plates (14) are fixedly connected to the outer surfaces of the two compression boxes (11) at the front side and the rear side of the compression boxes (11), and the auxiliary plates (14) are used for fixing the left box body (12) and the right box body (13); the upper side and the lower side of each compression box (11) are fixedly connected with storage boxes (3) on the outer surfaces of the compression boxes (11), and the storage boxes (3) are fixedly connected with auxiliary plates (14); the compression box (11) can be sealed by matching the storage box (3) with the auxiliary plate (14); a retracting rod (31) is rotatably connected in the inner wall of each storage box (3) through a motor; the outer surface of the retraction rod (31) is wound with uniformly arranged diaphragms (15), and the diaphragms (15) are made of different materials and are designed in a circular shape; the upper surface of each diaphragm (15) is fixedly connected with a long shaft; the lower surface of each diaphragm (15) is fixedly connected with a long block, and long grooves are formed in the long blocks and matched with the long shaft; the diaphragms (15) on the upper retracting rods (31) are connected with the films on the lower retracting rods (31), and the diaphragms (15) are arranged between the left box body (12) and the right box body (13); a notch (16) is formed in the center line of each diaphragm (15), and the notches (16) are matched with the driving rod (25); cleaning layers which are uniformly arranged are fixedly connected to the inner wall of each storage box (3) through rotating shafts, are arranged on two sides of the diaphragm (15) and are attached to the diaphragm (15); an annular groove (17) is formed in the inner wall of one side, opposite to the right box body (13), of each left box body (12); the end faces of two sides of each diaphragm (15) are fixedly connected with an annular shaft (18), and the annular shafts (18) are matched with the annular grooves (17); the two compression boxes (11) are fixedly connected with the pump body (1);

a circular groove (27) is formed in the inner wall of the driving rod (25), and the circular groove (27) is not communicated with the outside; strip-shaped grooves (28) which are uniformly distributed are formed in the inner wall of the circular groove (27), and the strip-shaped grooves (28) are communicated with the air groove (21); the inner wall of the driving rod (25) at one side of the driving rod (25) opposite to the other side is provided with uniformly distributed sliding grooves, and the sliding grooves are communicated with the circular grooves (27) through holes; a sliding shaft (29) is interactively connected in the inner wall of each sliding chute through a spring, and the end surface of one side, back to the sliding shaft (29), of each sliding chute is in an arc design; arc-shaped grooves (291) which are uniformly distributed are formed in the inner wall of each notch (16), and the arc-shaped grooves (291) are matched with the sliding shaft (29); trapezoidal grooves (292) are uniformly formed in the outer wall of the driving rod (25) positioned between every two adjacent sliding grooves, and the trapezoidal grooves (292) are communicated with the outside; trapezoidal blocks (293) which are uniformly arranged are fixedly connected in the inner wall of each notch (16) of the diaphragm (15), and the trapezoidal blocks (293) are matched with the trapezoidal grooves (292);

a rectangular groove (32) is formed in the inner wall of the retraction rod (31), and a long block fixedly connected to the diaphragm (15) is placed in the rectangular groove (32); a ring groove (33) is formed in the inner wall of the rectangular groove (32), and a ring block (34) is connected in the sliding groove in a sliding manner; a ring rod (36) is fixedly connected to one side, opposite to each ring block (34), and the ring rods (36) can be inserted into the long blocks; a long rod is fixedly connected to one side of each ring rod (36) opposite to the other side, and the long rods extend to the retracting rods (31); sliding connection has inserted bar (35) of evenly arranging in annular (33) inner wall, and inserted bar (35) all can stretch out external design.

2. The diaphragm water pump as claimed in claim 1, wherein: an air passage is formed in the inner wall of each sliding shaft (29), and the air passages are communicated with the sliding grooves; the outer surface of each sliding shaft (29), which is opposite to the sliding shaft (29), is fixedly connected with a long bag (294), and the long bags (294) are made of corrosion-resistant rubber materials; the inner cavity of each long bag (294) is communicated with the air passage.

3. The diaphragm water pump as claimed in claim 1, wherein: the inner wall of each sliding shaft (29) is connected with uniformly arranged partition layers (295) in a sliding mode through springs, and cavities at the bottoms of the partition layers (295) are communicated with the circular grooves (27) through air passages; each of the spacers (295) is used for fixing the diaphragm (15).