CN113757088A

CN113757088A - Novel sheet valve type diaphragm pump

Info

Publication number: CN113757088A
Application number: CN202111250805.8A
Authority: CN
Inventors: 陈永杰; 李坤宇; 叶志德; 张清全; 蒋路平; 杨加豪; 郭倩
Original assignee: Shanghai Jianglang Science And Technology Co ltd
Current assignee: Shanghai Jianglang Science And Technology Co ltd
Priority date: 2021-10-26
Filing date: 2021-10-26
Publication date: 2021-12-07
Also published as: WO2023070746A1

Abstract

The invention discloses a novel sheet valve type diaphragm pump, and relates to a novel sheet valve type diaphragm pump, which comprises: the pump body, the tee bend is taken over, the valve clack seat, elbow and pneumatic motor subassembly, pneumatic motor subassembly and pump body coupling, the upper end of the pump body and the lower extreme of the pump body all are equipped with an elbow, both sides in the horizontal segment of each elbow all are equipped with two first spacing bosss, both sides in the horizontal segment of each elbow all are equipped with a first spacing boss, all be equipped with a first stop collar in the horizontal segment of each elbow, first valve clack seat hole has all been seted up to the one end of the horizontal segment of each elbow, it is downthehole that a valve clack seat is located respectively to one side of each valve clack seat, second valve clack seat hole has all been seted up to the horizontal segment of each tee bend takeover, a second valve seat is downthehole is located respectively to the opposite side of each valve clack seat, the valve clack is located in the valve clack seat and is offseted with first spacing cover. The requirement on cleanliness of liquid conveyed on site is low, the requirement on filtering equipment is low, and the production cost of a user manufacturer is reduced.

Description

Novel sheet valve type diaphragm pump

Technical Field

The invention relates to the technical field of diaphragm pumps, in particular to a novel sheet valve type diaphragm pump.

Background

The diaphragm pump is a novel liquid material conveying device, and can partially replace the use of equipment such as a submersible pump, a sewage pump, a centrifugal pump and the like. The pump has the characteristics of small volume, light weight, convenient and flexible installation and use and the like. The anti-explosion liquid conveying device has the advantages of being free of explosion-proof problems and the like due to the fact that the anti-explosion liquid conveying device can convey liquid containing solid particles, and is widely used in more and more industries such as petrifaction, coating, ships, water treatment, food, municipal administration, mines, power stations and the like.

The existing sheet-shaped check valve is solved by fixing the check valve in a pump body through bolts, and the scheme can not be used due to corrosion of the bolts if corrosive liquid is conveyed. And adopt current structure not only the part is many, and it is inconvenient to maintain, and the pump body can not be general with the pump body of ball check valve, causes production and use cost very high, simultaneously, because of two sealed access positions in addition on the pump body, inconvenient processing, and the liquid flow channel is complicated, influences the work efficiency of equipment.

Disclosure of Invention

The invention aims to provide a novel diaphragm valve type diaphragm pump, which is used for solving the technical problem.

The technical scheme adopted by the invention is as follows:

a novel sheet valve type diaphragm pump comprises a pump body, a three-way connecting pipe, a valve clack seat, an elbow and a pneumatic motor assembly, wherein the pneumatic motor assembly is connected with the pump body and is positioned in the middle of the pump body, the upper end of the pump body and the lower end of the pump body are respectively provided with the elbow, two sides in the horizontal section of each elbow are respectively provided with a first limiting boss, a first limiting sleeve is arranged in the horizontal section of each elbow, one end of each first limiting sleeve, far away from the elbow, is arranged in the three-way connecting pipe, one end of each first limiting sleeve abuts against the two first limiting bosses, the inner wall of the upper side of each first limiting sleeve is provided with an anti-collision block, the tail part of each anti-collision block is provided with a notch, and the shape of the notch is matched with the shape of the first limiting bosses, each the elbow the one end of horizontal segment all seted up first valve clack seat hole, each one side of valve clack seat is located one respectively the valve clack seat is downthehole, each the one end of tee bend takeover respectively with the elbow the horizontal segment is connected, each the horizontal segment of tee bend takeover has all seted up second valve clack seat hole, each the opposite side of valve clack seat is located one respectively the second valve seat is downthehole, the valve clack is located in the valve clack seat and with first stop collar offsets, be equipped with the spacing boss of second in the tee bend takeover, the other end of each first stop collar with the spacing boss of second offsets.

Preferably, the surface of the other end of the first stop collar is flush with the surface of one end of the horizontal section.

Preferably, a first positioning boss is arranged in the first valve clack seat hole, a second positioning boss is arranged in the second valve clack seat hole, the first positioning boss corresponds to the second positioning boss, positioning grooves are formed in two sides of the valve clack seat, and the positioning grooves are opposite to the first positioning boss and the second positioning boss.

Preferably, the outer edges of the two sides of the valve flap seat are provided with sealing gaskets.

Preferably, the valve further comprises a valve flap shaft, the valve flap shaft is arranged at one end of the valve flap, a valve flap shaft groove is formed in the upper end of one side of the sealing surface of the valve flap seat, and the valve flap shaft is arranged in the valve flap shaft groove.

Preferably, an included angle is formed between the sealing surface of the valve flap seat and the vertical surface of the valve flap, with the center of circle of the valve flap shaft as an origin.

Preferably, a downward inclined slope is arranged in the valve flap seat and at the lower side of the valve flap, and an inclined plane machining hole is formed in the inner wall of the lower side of the valve flap seat.

Preferably, the lifting device further comprises lifting rings, each elbow is provided with one lifting ring, each lifting ring is provided with an arc-shaped hole, the hooks can penetrate through the arc-shaped holes, and the lifting rings are connected with the elbows through bolts.

Preferably, the pump further comprises an installation base, and the installation base is arranged on two sides of the lower end of the pump body.

The technical scheme has the following advantages or beneficial effects:

the novel sheet valve type diaphragm pump is more flexible and convenient for users to use and simpler to maintain, original equipment can be transformed and upgraded without great investment, meanwhile, the diameter of particles which can pass through is larger because the flow passage of the novel sheet valve type diaphragm pump is larger than that of a spherical one-way valve, the cleanliness requirement on field conveying liquid is lower, the requirement on filtering equipment is lower, and the production cost reduction effect on users is obvious; the water inlet mode of the pump body is more conveniently converted, and the corrosion resistance effect is better.

Drawings

Fig. 1 is a sectional view showing a side structure of a novel diaphragm valve type diaphragm pump according to the present invention;

FIG. 2 is a schematic diagram of the structure of the novel diaphragm valve type diaphragm pump of the present invention;

FIG. 3 is a schematic structural view of the elbow of the present invention;

FIG. 4 is a schematic structural view of the three-way connection pipe of the present invention;

fig. 5 is a schematic structural view of the first stop collar of the present invention.

In the figure: 1. a pump body; 2. a three-way connecting pipe; 3. a valve flap; 4. a valve flap seat; 5. bending the pipe; 6. a pneumatic motor assembly; 7. installing a base; 8. an anti-collision block; 9. a first stop collar; 10. a first valve flap seat aperture; 11. a second valve flap seat aperture; 12. a gasket; 13. a hoisting ring; 14. an arc-shaped hole.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, their indicated orientations or positional relationships are based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Fig. 1 is a sectional view of a side structural view of a novel diaphragm valve type diaphragm pump of the present invention, fig. 2 is a structural view of the novel diaphragm valve type diaphragm pump of the present invention, fig. 3 is a structural view of an elbow of the present invention, fig. 4 is a structural view of a three-way connection pipe of the present invention, fig. 5 is a structural view of a first stop collar of the present invention, and fig. 1 to 5 show a preferred embodiment showing a novel diaphragm valve type diaphragm pump, including: the pump body 1, the tee bend is taken over 2, the valve clack 3, valve clack seat 4, elbow 5 and pneumatic motor subassembly 6, pneumatic motor subassembly 6 passes through the gas chamber with the pump body 1 and is connected, and pneumatic motor subassembly 6 is located the middle part position of the pump body 1, the upper end of the pump body 1 and the lower extreme of the pump body 1 all are provided with an elbow 5, communicate through the liquid inlet tube between the vertical section of two elbows 5, both sides in the horizontal segment of each elbow 5 all are provided with two first spacing bosss, all be provided with a first stop collar 9 in the horizontal segment of each elbow 5, the one end that elbow 5 was kept away from to first stop collar 9 sets up in the tee bend is taken over 2. The upper end of the first limiting sleeve 9 is used for feeding liquid, and the lower end of the first limiting sleeve 9 is used for discharging liquid, the upper end of the first limiting sleeve 9 is arranged in the elbow 5, and the lower end of the first limiting sleeve 9 is arranged in the three-way connecting pipe 2; on the contrary, the lower end is used for feeding liquid, and when the upper end is used for discharging liquid, the lower end of the first limiting sleeve 9 is arranged in the elbow 5, and the upper end of the first limiting sleeve 9 is arranged in the three-way connecting pipe 2. One end of the first limiting sleeve 9 is abutted to the two first limiting bosses, the inner wall of the upper side of each first limiting sleeve 9 is provided with an anti-collision block 8, the tail part of each first limiting sleeve 9 located at each anti-collision block 8 is provided with a notch, and the shape of the notch is matched with that of the first limiting bosses. Only a second limiting boss is arranged in the three-way connecting pipe 2, and the other end of the first limiting sleeve 9 is abutted with the second limiting boss. The second limit boss is used for facilitating the first limit sleeve 9 to be placed at the right position. When the valve clack 3 is opened, the valve clack 3 is prevented from being clamped too much and touching the pipe wall to influence the normal work of the valve clack. When the limiting sleeve is used in a corrosive occasion, the first limiting sleeve 9 can be replaced by engineering plastics. The end of the first limit sleeve 9 with the notch is inserted into the horizontal section of the elbow, so that the notch is abutted against the first limit boss, and the first limit sleeve is used for limiting the maximum movement range of the valve clack 3.

Further, as a preferred embodiment, a first valve flap seat hole 10 is provided at one end of the horizontal segment of each elbow 5, one side of each valve flap seat 4 is respectively disposed in the first valve flap seat hole 10, one end of each three-way connection pipe 2 is respectively connected to one end of the horizontal segment of one elbow 5 through a bolt, and second valve flap seat holes 11 are provided at two ends of the horizontal segment of each three-way connection pipe 2 for fixing the other side of the valve flap seat 4, and the valve flap 3 is disposed in the valve flap seat 4 and abuts against the first limit sleeve 9. The surface of the other end of the first stop collar 9 is flush with the surface of one end of the horizontal section. The inlet and the outlet of the three-way connecting pipe 2 adopt the overlapping design of threads and flanges, so that the three-way connecting pipe can be applied to more use sites and meet the requirements of different users. When the three-way connecting pipe 2 rotates by 45 degrees, the interface direction of the flange can be changed into oblique direction, and the installation direction is more flexible.

Further, as a preferred embodiment, a first positioning boss is arranged in the first valve clack seat hole 10, a second positioning boss is arranged in the second valve seat hole 11, the first positioning boss corresponds to the second positioning boss, positioning grooves are formed in both sides of the valve clack seat 4, and the positioning grooves are opposite to the first positioning boss and the second positioning boss. The outer edges of the two sides of the valve flap seat 4 are provided with sealing gaskets 12. The valve clack 3 is placed in the valve clack seat 4, the positioning groove on one side of the valve clack seat 4 is connected with the first positioning boss on the elbow 5, the second positioning boss on one side of the three-way connecting pipe 2 is connected with the other side of the valve clack seat 4 after connection, and the valve clack seat 4 is fixed.

Further, as a preferred implementation mode, still include the valve clack axle, the one end of valve clack 3 is equipped with the valve clack axle, and the sealed face one side upper end of valve clack seat 4 is seted up there is the valve clack axial trough, and the valve clack axle sets up in the valve clack axial trough. An included angle is formed between the sealing surface of the valve flap seat 4 and the vertical surface of the valve flap 3 by taking the circle center of the valve flap shaft as an original point. The included angle can ensure that the valve clack 3 has a transverse component force when being sealed, thereby ensuring the reliable sealing. The inside of 3 seats of valve clack is located the downside of valve clack 3 and is equipped with the slope of descending slope downwards, and the flow of particulate matter in the liquid can be accelerated in the design of slope to prevent because of the stagnation of particulate matter, cause the check valve to close not tight. The inner wall of the lower side of the valve clack 3 seat is provided with an inclined plane processing hole. The flow resistance when the inclined plane processing hole can reduce liquid transportation improves the circulation ability. After the thickness of the valve clack 3 is increased, the strength is enhanced, the phenomenon of deformation or fracture cannot occur, the sealing performance is better, and hard alloy can be subjected to surfacing welding to adapt to more use occasions. The valve clack 3 can be used on two sides, and is convenient to install and maintain.

Further, as a preferred embodiment, the bending device further comprises hanging rings 13, each elbow 5 is provided with one hanging ring 13, each hanging ring 13 is provided with an arc-shaped hole 14, each arc-shaped hole 14 is used for the hook to penetrate, and each hanging ring 13 is connected with the elbow 5 through a bolt. The special design of the lifting ring 13 is adopted, the lower end of the lifting ring is fixed on the elbow 5 through bolts, the upper end of the lifting ring is provided with a semicircular arc hole 14, a hook can transversely extend into the lifting ring during lifting, the hook can be always kept at the top end during lifting, and the stable lifting of the diaphragm pump is guaranteed. When the connector of the three-way connecting pipe 2 is in a horizontal position, the hanging ring 13 is vertically installed, and when the three-way connecting pipe 2 is not in the horizontal position, the hanging ring 13 can be rotated, and the hook is positioned at the top ends of the circular arc and the straight line when lifted, so that the diaphragm pump is convenient to lift. After the hoisting is finished, if the hoisting ring 13 is not needed any more, the hoisting ring 13 can be detached for storage.

Further, as a preferred embodiment, still include installation base 7, the lower extreme both sides of the pump body 1 are equipped with installation base 7. The installation base 7 can support the novel sheet valve type diaphragm pump to stand on the ground, and the novel sheet valve type diaphragm pump is more stable to place.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.

Claims

1. A novel sheet valve type diaphragm pump is characterized by comprising a pump body, a three-way connecting pipe, a valve clack seat, an elbow and a pneumatic motor assembly, wherein the pneumatic motor assembly is connected with the pump body and is positioned in the middle of the pump body, the elbow is arranged at the upper end of the pump body and the lower end of the pump body, first limiting bosses are arranged at two sides in the horizontal section of each elbow, a first limiting sleeve is arranged in the horizontal section of each elbow, one end of each first limiting sleeve, far away from the elbow, is arranged in the three-way connecting pipe, one end of each first limiting sleeve abuts against the two first limiting bosses, an anti-collision block is arranged on the inner wall of the upper side of each first limiting sleeve, a notch is formed in the tail part of each anti-collision block, and the shape of the notch is matched with the shape of the first limiting bosses, each the elbow the one end of horizontal segment all seted up first valve clack seat hole, each one side of valve clack seat is located one respectively the valve clack seat is downthehole, each the one end of tee bend takeover respectively with the elbow the horizontal segment is connected, each the horizontal segment of tee bend takeover has all seted up second valve clack seat hole, each the opposite side of valve clack seat is located one respectively the second valve seat is downthehole, the valve clack is located in the valve clack seat and with first stop collar offsets, be equipped with the spacing boss of second in the tee bend takeover, the other end of each first stop collar with the spacing boss of second offsets.

2. The new diaphragm valve type diaphragm pump of claim 1 wherein the surface of the other end of said first stop collar is flush with the surface of one end of said horizontal section.

3. The novel diaphragm pump of claim 1, wherein a first positioning boss is disposed in the first valve flap seat hole, a second positioning boss is disposed in the second valve flap seat hole, the first positioning boss corresponds to the second positioning boss, and positioning grooves are disposed on both sides of the valve flap seat and are opposite to the first positioning boss and the second positioning boss.

4. The new type of disc valve type diaphragm pump according to claim 1, wherein the valve flap seat is provided with a sealing gasket at both outer edges thereof.

5. The novel diaphragm pump of claim 1, further comprising a valve flap shaft, wherein said valve flap shaft is disposed at one end of said valve flap, a valve flap shaft groove is disposed at an upper end of one side of a sealing surface of said valve flap seat, and said valve flap shaft is disposed in said valve flap shaft groove.

6. The new type of disc valve type diaphragm pump according to claim 5, wherein an angle is formed between the sealing surface of the valve flap seat and the vertical surface of the valve flap with the origin of the circle center of the valve flap axis.

7. The novel diaphragm pump of claim 1, wherein the inner portion of the valve seat is provided with a downward slope at the lower side of the valve flap, and the inner wall of the lower side of the valve seat is provided with a bevel hole.

8. The diaphragm pump according to claim 1, further comprising a hanging ring, wherein each of said elbows is provided with a hanging ring, each of said hanging rings is provided with an arc hole, said arc hole is used for said hook to pass through, and said hanging ring is connected with said elbow through a bolt.

9. The new diaphragm valve type diaphragm pump of claim 1, further comprising a mounting base, wherein said mounting base is provided on both sides of the lower end of said pump body.