CN213899246U

CN213899246U - Pneumatic diaphragm pump

Info

Publication number: CN213899246U
Application number: CN202022347343.9U
Authority: CN
Inventors: 王靖铣
Original assignee: Wenzhou Jianyu Light Industry Machinery Co ltd
Current assignee: Wenzhou Jianyu Light Industry Machinery Co ltd
Priority date: 2020-10-20
Filing date: 2020-10-20
Publication date: 2021-08-06
Anticipated expiration: 2030-10-20

Abstract

The utility model discloses a pneumatic diaphragm pump, include the left pump body, the right pump body and be located pneumatic body between the left pump body and the right pump body, wherein, still include the material inlet pipe of components of a whole that can function independently and the material discharging pipe of components of a whole that can function independently, the material inlet pipe passes through the suction pipe intercommunication of ring flange and two pump bodies, the material discharging pipe passes through the discharge pipe intercommunication of ring flange and two pump bodies, wherein, the diaphragm has in the pump body, just be close to outer lane position department on the both sides face of diaphragm and respectively be equipped with an annular sand grip. The utility model has the advantages of adjustable inlet and outlet directions, convenient cleaning and good sealing performance.

Description

Pneumatic diaphragm pump

Technical Field

The utility model relates to a pneumatic diaphragm pump.

Background

The direction of lid export is fixed about current common diaphragm pump, for example import or export direction are left or right or forward or backward, sometimes can cause the installation difficulty because the interface direction can not nimble adjustment, it is inconvenient to use, need additionally to install the device that changes the medium flow direction, use cost has not only been increased, still can occupy great installation space, and to the inlet pipe and the discharging pipe of integrative manufacturing, not only the dismouting is troublesome, also be not convenient for wash very, can appear the dead angle and remain liquid, and current diaphragm pump still has the defect that the crack makes the diaphragm easily relax when diaphragm installs, yielding causes the defect that sealed effect is poor during the diaphragm installation.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides an air-operated diaphragm pump to solve the above technical problems.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a pneumatic diaphragm pump, includes the left pump body, the right pump body and is located pneumatic body between the left pump body and the right pump body, wherein, still includes the material inlet pipe of components of a whole that can function independently and the material discharging pipe of components of a whole that can function independently, the material inlet pipe passes through the suction pipe intercommunication of ring flange and two pump bodies, the material discharging pipe passes through the discharge pipe intercommunication of ring flange and two pump bodies, wherein, the diaphragm has in the pump body, just be close to outer lane position department on the both sides face of diaphragm and respectively be equipped with an annular sand grip.

Further, still include the protection casing, left pump body, right pump body and pneumatics body all are located the protection casing.

Further, the diaphragm is fixedly connected in the pump body through a fixing piece, wherein the fixing piece is composed of a pressing plate body and a screw rod which are coaxially and fixedly connected, and a six-surface bulge is arranged on the outer side surface of the pressing plate body.

Furthermore, the fixing piece is integrally manufactured by adopting a casting process.

Furthermore, the protection casing includes the C shape cover that is bent by the rectangular plate and forms, two connecting strips are respectively set up at the both ends of rectangular plate, be equipped with the connecting hole that a plurality of lines were opened on the connecting strip, be located two connecting strips of the same end of C shape cover link together.

Furthermore, the material discharging pipe comprises a first bent pipe, a first middle three-way pipe and a first side three-way pipe, one end of the first bent pipe is communicated with a discharging pipe of one pump body through a flange, a belly pipe of the first side three-way pipe is communicated with a discharging pipe of the other pump body through a flange, the first middle three-way pipe is connected between the first bent pipe and the first side three-way pipe through two hoops, and a blind cover is fixedly connected at an opening of the belly pipe of the first middle three-way pipe through one hoop.

Furthermore, the material feeding pipe comprises a second bent pipe, a second middle position three-way pipe and a second side position three-way pipe, one end of the second bent pipe is communicated with a suction pipe of one pump body through a flange, a web pipe of the second side position three-way pipe is communicated with a suction pipe of the other pump body through a flange, the second middle position three-way pipe is connected between the second bent pipe and the second side position three-way pipe through two hoops, a blind cover is fixedly connected at an opening of the web pipe of the second middle position three-way pipe through one hoop, and connecting bases are arranged on the second bent pipe and the second side position three-way pipe.

Further, the suction pipe and the discharge pipe of the pump body are coaxially disposed.

Further, the inner walls of the material feeding pipe and the material discharging pipe are both subjected to mirror polishing treatment.

According to the above technical solution, the utility model has the advantages that: the material feeding pipe and the material discharging pipe can be separated, so that the inlet and outlet directions of the diaphragm pump can be adjusted at will, and the diaphragm pump is convenient to use, good in flexibility and convenient to disassemble, wash and clean; because the inner and outer side surfaces of the diaphragm sheet and the positions close to the outer ring are respectively provided with the annular convex strip, the sealing performance is better, the annular convex strips can play a good sealing role only by being lightly pressed, and even if a pump body is provided with sand holes, a labyrinth gap can be formed to be firmly closed, so that the diaphragm sheet is not easy to deform, the flow is not influenced, and the vibration generated by the dislocation of the diaphragm sheet is avoided; the protective cover has the advantages of protecting the left pump body, the right pump body and the pneumatic body from being damaged by collision of external force, preventing water, dust and noise and the like; because the structures of the material feeding pipe and the material discharging pipe enable the diaphragm pump to be provided with two inlets and two outlets, and one inlet and one outlet are sealed by adopting blind covers, the inlet and the outlet of the diaphragm pump can adapt to the connection pipe in any direction for use.

In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic view of the split structure of the present invention.

Fig. 3 is a schematic view of the cross-sectional internal structure of the present invention.

Fig. 4 is a schematic structural view of the protective cover of the present invention.

Fig. 5 is a schematic view of the diaphragm and the fixing member according to the present invention.

List of reference numerals: the pump comprises a left pump body 1, a right pump body 2, a pneumatic body 3, a first elbow 4, a first middle three-way pipe 5, a first side three-way pipe 6, a blind cover 7, a hoop 8, a second elbow 9, a second middle three-way pipe 10, a second side three-way pipe 12, a protective cover 13, a rectangular plate 131, a connecting strip 132, a connecting hole 133, a fixing piece 14, a pressing plate body 141, a screw 142, six-sided protrusions 143, a diaphragm 15 and annular convex strips 151.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 5 to explain the present application further, the pneumatic diaphragm pump shown in fig. 1 and 2 comprises a left pump body 1, a right pump body 2, a pneumatic body 3 between the left pump body 1 and the right pump body 2, a separable material feeding pipe and a separable material discharging pipe, wherein the material feeding pipe is communicated with the suction pipes of the two pump bodies through flanges, the material discharging pipe is communicated with the discharge pipes of the two pump bodies through flanges, and the suction pipe and the discharge pipe of the pump bodies are coaxially arranged.

The material discharging pipe comprises a first bent pipe 4, a first middle three-way pipe 5 and a first side three-way pipe 6, one end of the first bent pipe 4 is communicated with a discharging pipe of one pump body through a flange, a belly pipe of the first side three-way pipe 6 is communicated with a discharging pipe of the other pump body through a flange, the first middle three-way pipe 5 is connected between the first bent pipe 4 and the first side three-way pipe 6 through two hoops 8, and a blind cover 7 is fixedly connected to an opening of the belly pipe of the first middle three-way pipe 5 through one hoop 8; the material feeding pipe comprises a second bent pipe 9, a second middle three-way pipe 10 and a second side three-way pipe 12, one end of the second bent pipe 9 is communicated with a suction pipe of one pump body through a flange, an abdominal pipe of the second side three-way pipe 12 is communicated with a suction pipe of the other pump body through a flange, the second middle three-way pipe 10 is connected between the second bent pipe 9 and the second side three-way pipe 12 through two hoops 8, and a blind cover 7 is fixedly connected to an opening of the abdominal pipe of the second middle three-way pipe 10 through one hoop 8, wherein connecting bases are arranged on the second bent pipe 9 and the second side three-way pipe 12, and connecting holes are arranged on the connecting bases; adopt above-mentioned structure, the structure of material inlet pipe and material discharging pipe makes this application have two imports and two exports, and one of them import and an export adopt blind cover 7 to seal, and staple bolt 8 connects and makes first meso position three-way pipe 5 and second meso position three-way pipe 10 can follow an axis and rotate at 360 within ranges at will, make the import and the adaptable arbitrary direction of export of this application take over the use, high durability and convenient use, good flexibility, and tear open and wash clean convenient no dead angle, reach the sanitary-grade standard.

Preferably, the inner wall of the material feeding pipe and the inner wall of the material discharging pipe are both subjected to mirror polishing treatment, so that the device has the advantages of easiness in cleaning, easiness in back flushing, no dead angle in any direction and the like, and the advantages of accuracy in flow rate measurement and the like are increased after the inner surfaces of the split bodies are smooth.

The pump body is internally provided with the diaphragm 15, the two side faces of the diaphragm 15 and the positions close to the outer ring are respectively provided with the annular convex strip 151, and the annular convex strips 151 are lightly pressed to play a good sealing role, so that the sealing performance is better, even if the pump body is provided with sand holes, a labyrinth gap can be formed to be firmly closed, the diaphragm 15 is not easy to deform, the flow is not influenced, and the vibration generated by dislocation of the diaphragm 15 is avoided.

The diaphragm 15 is fixedly connected in the pump body through a fixing piece 14, wherein the fixing piece 14 is composed of a pressing plate body 141 and a screw 142 which are fixedly connected coaxially, the fixing piece 14 is integrally manufactured by adopting a casting process, a six-face bulge 143 is arranged on the outer side face of the pressing plate body 141, the fixing piece 14 is integrally cast, so that a dead angle caused by a crack generated between the pressing plate body 141 and a bolt head is avoided, and the six-face bulge 143 facilitates the installation of the fixing piece 14 and has the characteristics of directly clamping and preventing looseness by using a standard tool.

This application still includes protection casing 13, the left side pump body 1, the right side pump body 2 with the pneumatics body 3 all is located in the protection casing 13, the protection casing 13 has about the protection pump body and the pneumatics body 3 do not receive advantages such as collision damage, waterproof, dustproof, noise control sound, wherein, the protection casing 13 includes the C shape cover that is bent by rectangular plate 131 and forms, the both ends of rectangular plate 131 respectively set up two connecting strips 132, be equipped with the connecting hole 133 that a plurality of word were arranged on the connecting strip 132, be located two connecting strips 132 of the same end of C shape cover link together, make things convenient for the dismouting of protection casing 13.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The pneumatic diaphragm pump comprises a left pump body (1), a right pump body (2) and a pneumatic body (3) located between the left pump body (1) and the right pump body (2), and is characterized by further comprising a separable material feeding pipe and a separable material discharging pipe, wherein the material feeding pipe is communicated with suction pipes of the two pump bodies through a flange, the material discharging pipe is communicated with discharge pipes of the two pump bodies through a flange, a diaphragm (15) is arranged in the pump body, and annular convex strips (151) are respectively arranged on two side faces of the diaphragm (15) and close to the outer ring.

2. An air operated diaphragm pump according to claim 1, further comprising a shield (13), the left pump body (1), the right pump body (2) and the air body (3) being located within the shield (13).

3. An air operated diaphragm pump according to claim 1, wherein the diaphragm (15) is fixedly connected in the pump body by a fixing member (14), wherein the fixing member (14) is composed of a pressing plate body (141) and a screw (142) which are coaxially fixedly connected, and the pressing plate body (141) has a six-sided projection (143) on the outer side surface.

4. An air operated diaphragm pump according to claim 3, characterized in that the fixing piece (14) is made in one piece using a casting process.

5. An air operated diaphragm pump according to claim 2, wherein the protective cover (13) comprises a C-shaped cover formed by bending a rectangular plate (131), two connecting strips (132) are arranged at two ends of the rectangular plate (131), a plurality of connecting holes (133) are arranged in a row on the connecting strips (132), and the two connecting strips (132) at the same end of the C-shaped cover are connected together.

6. The air operated diaphragm pump of claim 1, wherein the material discharging pipe comprises a first bent pipe (4), a first middle three-way pipe (5) and a first side three-way pipe (6), one end of the first bent pipe (4) is communicated with a discharging pipe of one pump body through a flange, a belly pipe of the first side three-way pipe (6) is communicated with a discharging pipe of the other pump body through a flange, the first middle three-way pipe (5) is connected between the first bent pipe (4) and the first side three-way pipe (6) through two hoops (8), and a blind cover (7) is fixedly connected at an opening of the belly pipe of the first middle three-way pipe (5) through one hoop (8).

7. The air operated diaphragm pump of claim 1, wherein the material feeding pipe comprises a second elbow (9), a second middle tee (10) and a second side tee (12), one end of the second elbow (9) is communicated with the suction pipe of one pump body through a flange, the belly pipe of the second side tee (12) is communicated with the suction pipe of the other pump body through a flange, the second middle tee (10) is connected between the second elbow (9) and the second side tee (12) through two hoops (8), a blind cover (7) is fixedly connected at the opening of the belly pipe of the second middle tee (10) through one hoop (8), and the second elbow (9) and the second side tee (12) are provided with connecting bases.

8. An air operated diaphragm pump according to claim 1, wherein the suction tube and the discharge tube of the pump body are coaxially arranged.

9. The air operated diaphragm pump of claim 1 wherein the inner wall of the material feed pipe and the inner wall of the material discharge pipe are mirror polished.