CN211474394U

CN211474394U - Pneumatic diaphragm pump convenient to diaphragm is changed

Info

Publication number: CN211474394U
Application number: CN201921884018.7U
Authority: CN
Inventors: 汪宗文
Original assignee: Suzhou Assen River Environmental Science Co ltd
Current assignee: Suzhou Assen River Environmental Science Co ltd
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2020-09-11
Anticipated expiration: 2029-11-05

Abstract

The utility model discloses an air operated diaphragm pump convenient to diaphragm is changed, including air operated diaphragm pump body, first cavity and second cavity, the fixed first cavity that is provided with in one side of air operated diaphragm pump body, the first flange of one side fixedly connected with of first cavity, one side fixedly connected with second flange of second cavity, a side symmetry of second flange is provided with the connecting block, be provided with the draw-in groove corresponding with the connecting block on the first flange, the connecting block is connected with the draw-in groove block, the draw-in groove comprises first notch and second notch, first notch is linked together with the second notch. The utility model discloses first flange and second flange when dismantling, the connecting block that is equipped with can also connect, realize breaking away from of first flange and second flange through rotatory second flange, when dismantling and change the diaphragm, first cavity and second cavity can not abrupt separation, avoid damaging.

Description

Pneumatic diaphragm pump convenient to diaphragm is changed

Technical Field

The utility model relates to a pneumatic diaphragm pump field, in particular to pneumatic diaphragm pump convenient to diaphragm is changed.

Background

Pneumatic diaphragm pump is a novel conveying machine, adopt compressed air as the power supply, to various corrosive liquids, take the liquid of granule, high viscosity, it is volatile, easily fire, the liquid of hypertoxic, the homoenergetic is taken out the light and is inhaled completely, the diaphragm of current pneumatic diaphragm pump is when installing, the dismantlement of pneumatic diaphragm pump need be carried out, when dismantling, need dismantle two cavitys, current pneumatic diaphragm pump is when installing, connect through the flange, then connect through the bolt, at the in-process of dismantling, when dismantling the last bolt of flange, the cavity can appear suddenly and drop, just so damage pneumatic diaphragm pump very easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pneumatic diaphragm pump convenient to diaphragm is changed to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an air operated diaphragm pump convenient to diaphragm is changed, includes air operated diaphragm pump body, first cavity and second cavity, the fixed first cavity that is provided with in one side of air operated diaphragm pump body, the first flange of one side fixedly connected with of first cavity, one side fixedly connected with second flange of second cavity, one side symmetry of second flange is provided with the connecting block, be provided with the draw-in groove corresponding with the connecting block on the first flange, the connecting block is connected with the draw-in groove block.

Preferably, the connecting block is L-shaped.

Preferably, the clamping groove consists of a first notch and a second notch, and the first notch is communicated with the second notch.

Preferably, the inside fixedly connected with connecting rod of first cavity, one side of connecting rod is provided with the diaphragm body, the one end threaded connection of connecting rod has the nut.

Preferably, a plurality of screw holes are formed in the first flange, and matched round holes are formed in the second flange.

Preferably, a sealing gasket is fixedly arranged on one side of the first flange.

Preferably, one side of the connecting rod is provided with a limiting piece.

The utility model discloses a technological effect and advantage: first flange and second flange when dismantling, the connecting block that is equipped with can also be connected, realizes breaking away from of first flange and second flange through rotatory second flange, when dismantling and change the diaphragm, first cavity and second cavity separation suddenly can not avoid damaging.

Drawings

Fig. 1 is a schematic front structural view of the present invention;

fig. 2 is a schematic front structural view of the first flange of the present invention.

In the figure: 1. a pneumatic diaphragm pump body; 2. a first cavity; 3. a first flange; 4. a second cavity; 5. a second flange; 6. connecting blocks; 7. a diaphragm body; 8. a connecting rod; 9. a nut; 10. a screw hole; 11. a gasket; 12. a first notch; 13. a second notch.

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.

The utility model provides a pneumatic diaphragm pump convenient to diaphragm is changed as shown in fig. 1-2, including pneumatic diaphragm pump body 1, first cavity 2 and second cavity 4, one side of pneumatic diaphragm pump body 1 is fixed and is provided with first cavity 2, the first flange 3 of one side fixedly connected with of first cavity 2, one side fixedly connected with second flange 5 of second cavity 4, one side symmetry of second flange 5 is provided with connecting block 6, is provided with the draw-in groove corresponding with connecting block 6 on the first flange 3, and connecting block 6 is connected with the draw-in groove block.

The connecting block 6 is L-shaped, which is convenient for clamping the first flange 3 and the second flange 5, the clamping groove is composed of a first notch 12 and a second notch 13, the first notch 12 is communicated with the second notch 13, a cavity is arranged inside the first notch 12 and the second notch 13, which is convenient for placing a vertical block of the connecting block 6, the inside of the first cavity 2 is fixedly connected with a connecting rod 8, one side of the connecting rod 8 is provided with a diaphragm body 7, one end of the connecting rod 8 is in threaded connection with a nut 9, the first flange 3 is provided with a plurality of screw holes 10, the second flange 5 is provided with a matched round hole, one side of the first flange 3 is fixedly provided with a sealing gasket 11, one side of the connecting rod 8 is clamped with a limiting piece which can limit the diaphragm body 7, when the diaphragm body 7 is installed, the limiting piece is firstly clamped at one end of the connecting rod 8, then the connecting rod 8 passes through the limiting piece, after passing through the diaphragm body 7, the diaphragm body 7 is fixed by finally screwing the nut on one end of the connecting rod.

This practical theory of operation: when the first cavity 2 and the second cavity 4 are connected, the first flange 3 and the second flange 5 are firstly connected, when the first flange 3 and the second flange 5 are connected, an operator firstly inserts the connecting block 6 into the first notch 12, a cavity is arranged inside the first notch 12, the connecting block 6 can be placed, the second flange 5 is rotated, the L-shaped connecting block 6 is clamped by the L-shaped clamping groove, then the operator passes through the screw hole 10 by using a bolt, the first flange 3 is connected with the second flange 5 by using the bolt, the arranged sealing gasket 11 can seal the joint of the first flange 3 and the second flange 5, leakage is avoided, when the operator detaches the bolt, at the moment, because of the limitation of the connecting block 6, the first flange 3 and the second flange 5 can not be separated quickly, and then the second flange 5 is rotated reversely, let connecting block 6 rotate in the cavity of draw-in groove department, first flange 3 and second flange 5 just can break away from when the riser of connecting block 6 moves first notch 12 department and dismantle.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a pneumatic diaphragm pump convenient to diaphragm is changed, includes pneumatic diaphragm pump body (1), first cavity (2) and second cavity (4), its characterized in that: the pneumatic diaphragm pump is characterized in that a first cavity (2) is fixedly arranged on one side of the pneumatic diaphragm pump body (1), a first flange (3) fixedly connected to one side of the first cavity (2), a second flange (5) fixedly connected to one side of the second cavity (4), a connecting block (6) is symmetrically arranged on one side of the second flange (5), a clamping groove corresponding to the connecting block (6) is formed in the first flange (3), and the connecting block (6) is connected with the clamping groove in a clamping mode.

2. An air operated diaphragm pump for facilitating diaphragm replacement according to claim 1, wherein: the connecting block (6) is L-shaped.

3. An air operated diaphragm pump for facilitating diaphragm replacement according to claim 1, wherein: the clamping groove is composed of a first notch (12) and a second notch (13), and the first notch (12) is communicated with the second notch (13).

4. An air operated diaphragm pump for facilitating diaphragm replacement according to claim 1, wherein: the inner fixed connection of the first cavity (2) is provided with a connecting rod (8), one side of the connecting rod (8) is provided with a diaphragm body (7), and one end of the connecting rod (8) is in threaded connection with a nut (9).

5. An air operated diaphragm pump for facilitating diaphragm replacement according to claim 1, wherein: a plurality of screw holes (10) are formed in the first flange (3), and matched round holes are formed in the second flange (5).

6. An air operated diaphragm pump for facilitating diaphragm replacement according to claim 1, wherein: and a sealing gasket (11) is fixedly arranged on one side of the first flange (3).

7. An air operated diaphragm pump for facilitating diaphragm replacement according to claim 4, wherein: one side of the connecting rod (8) is provided with a limiting piece.