CN212296800U

CN212296800U - Diaphragm fixer of water diaphragm pump

Info

Publication number: CN212296800U
Application number: CN202020571515.8U
Authority: CN
Inventors: 朱利平
Original assignee: Kunming Jizhong Machinery Manufacturing Co ltd
Current assignee: Kunming Jizhong Machinery Manufacturing Co ltd
Priority date: 2020-04-17
Filing date: 2020-04-17
Publication date: 2021-01-05
Anticipated expiration: 2030-04-17

Abstract

The utility model provides a diaphragm pump diaphragm fixer, which belongs to the technical field of fluid conveying equipment, and comprises a fixing component and a diaphragm component, wherein the fixing component consists of an installation rod, a first bolt, an inner gland, a spiral hole, a groove, a connecting rod, an outer gland and a nut groove, one end of the installation rod is welded at both ends of the connecting rod, the other end of the installation rod is welded at one side of the inner gland, the two axial lines correspond to each other, the installation rod and the inner gland are provided with the spiral hole along the axial line, the outer gland is fixedly connected with the inner gland through the first bolt, and a gap is reserved between the two, the utility model has simple structure, the diaphragm adopts nitrile rubber material, the material has stronger oil resistance and wear resistance, the service life of the diaphragm is prolonged, and the diaphragm component and the fixing component pass through the bolt, the membrane is convenient to damage and replace, and the working efficiency is improved.

Description

Diaphragm fixer of water diaphragm pump

Technical Field

The utility model relates to a diaphragm fixer technical field particularly, relates to diaphragm pump diaphragm fixer.

Background

The water diaphragm pump is a novel conveying machine, adopts compressed air as a power source, can pump and suck up various corrosive liquids, such as liquid with particles, high viscosity, volatility, flammability and toxicity, is formed in the prior production, the product quality is deeply commented, a diaphragm component of the pneumatic water diaphragm pump is an important part integrating a gas circuit, a liquid circuit and a whole body in the pneumatic water diaphragm pump, the part converts pressure difference generated by the gas circuit in turn into reciprocating motion of a diaphragm to realize pumping and drainage work, the prior diaphragm fixer does not adopt protective measures for the diaphragm, a bolt is used for fixedly connecting the diaphragm fixer and the diaphragm, the bolt is used for fixing the diaphragm fixer and the diaphragm too tightly, the diaphragm fixer does not buffer the pressure applied to the diaphragm, the diaphragm is damaged under the action of the pressure, and thus leakage occurs, the diaphragm cannot normally perform the extrusion work.

SUMMERY OF THE UTILITY MODEL

In order to compensate above not enough, the utility model provides a diaphragm pump diaphragm fixer aims at improving and installs the tension between current diaphragm fixer and the diaphragm, and the damaged problem that the unable buffering of extrusion force that the diaphragm received caused.

The utility model discloses a realize like this:

a diaphragm fixer of water diaphragm pump comprises

The fixing assembly comprises an installation rod, a first bolt, an inner gland, a spiral hole, a groove, a connecting rod, an outer gland and a nut groove, wherein one end of the installation rod is welded at each of two ends of the connecting rod, the other end of the installation rod is welded at one side of the inner gland, the central axes of the installation rod and the inner gland correspond to each other, the spiral hole is formed in the installation rod and the inner gland along the central axis, the outer gland is fixedly connected with the inner gland through the first bolt, a gap is reserved between the outer gland and the inner gland, the groove is formed in each of one side of the inner gland and one side of the outer gland, and the nut groove is formed in the central axis of the outer gland;

the diaphragm assembly comprises a diaphragm body, a through hole, an elastic sheet, a second bolt, a reinforcing rib, a diaphragm sheet, a pressure-resistant layer, a buffer sheet and a convex ring, wherein the elastic sheet, the reinforcing rib, the diaphragm sheet, the pressure-resistant layer and the buffer sheet are sequentially arranged on the diaphragm body from left to right, the diaphragm body is symmetrically provided with the through hole along the central axis, and the convex ring is arranged on two sides of the diaphragm body.

In an embodiment of the present invention, the convex ring is adapted to the groove.

In an embodiment of the present invention, the diaphragm body passes through the second bolt with the inner gland with the mounting rod fixed connection, and passes through the first bolt will the outer gland the diaphragm body the inner gland fixed connection.

In an embodiment of the present invention, the outer gland and the inner gland are provided with a sealing ring at the connection position of the diaphragm body.

In an embodiment of the present invention, the diaphragm is made of nitrile rubber.

The utility model has the advantages that: the utility model discloses a water diaphragm pump diaphragm fixer that obtains through above-mentioned design, the both ends of connecting rod and the one end welding of installation pole, the other end welding of installation pole and one side of interior gland, the diaphragm body passes through second bolt and interior gland and installation pole threaded connection, and fix the diaphragm body between exterior gland and interior gland through first bolt, the fixed subassembly that drops when avoiding the diaphragm body side to side motion, and use the mode of bolt to fixedly connect the part, convenient dismantlement maintenance and installation, working time is saved, recess and bulge loop looks adaptation, when the diaphragm body side to side motion, the diaphragm body can bear great pressure, the diaphragm can be damaged because the fixed subassembly is connected with the diaphragm subassembly too tightly, so release pressure through the space in recess and the bulge loop, and still through set up the flexure strip in the left and right sides of diaphragm, the strengthening rib, the protection of resistance to the diaphragm by buffer piece, make diaphragm and fixed subassembly junction further reduce the atress scope, the utility model discloses simple structure, diaphragm adopt the material of butadiene acrylonitrile rubber, this material has stronger resistant oil and wear-resisting attribute, has improved the life of diaphragm to diaphragm subassembly and fixed subassembly pass through the bolt, and the impaired change of the diaphragm body of being convenient for has improved work efficiency.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a diaphragm holder of a diaphragm pump according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a fixing assembly according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a diaphragm assembly according to an embodiment of the present invention.

In the figure: 1-fixed component, 101-mounting rod, 102-first bolt, 103-inner gland, 104-screw hole, 105-groove, 106-connecting rod, 107-outer gland, 108-nut groove, 2-diaphragm component, 201-diaphragm body, 202-through hole, 203-elastic sheet, 204-second bolt, 205-reinforcing rib, 206-diaphragm sheet, 207-pressure-resisting layer, 208-buffer sheet, 209-convex ring and 3-sealing ring.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but 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" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Examples

Referring to fig. 1-3, the present invention provides a technical solution: a diaphragm fixer of a water diaphragm pump comprises a fixing component 1 and a diaphragm component 2.

Referring to fig. 1-2, the fixing assembly 1 includes an installation rod 101, a first bolt 102, an inner gland 103, a spiral hole 104, a groove 105, a connecting rod 106, an outer gland 107 and a nut groove 108, wherein one end of the installation rod 101 is welded to both ends of the connecting rod 106, the other end of the installation rod 101 is welded to one side of the inner gland 103 and is welded to the other side of the inner gland 103, the central axes of the installation rod 101 and the inner gland 103 correspond to each other, the spiral hole 104 is formed along the central axis of the installation rod 101 and the inner gland 103, the outer gland 107 is fixedly connected to the inner gland 103 through the first bolt 102, a gap is reserved between the installation rod 101 and the inner gland 103, the groove 105 is formed on one side of the inner gland 103 and the.

Referring to fig. 1 and 3, the diaphragm assembly 2 includes a diaphragm body 201, a through hole 202, an elastic sheet 203, a second bolt 204, a stiffener 205, a diaphragm 206, a pressure-resistant layer 207, a buffer sheet 208, and a convex ring 209, where the diaphragm body 201 is sequentially provided with the elastic sheet 203, the stiffener 205, the diaphragm 206, the pressure-resistant layer 207, and the buffer sheet 208 from left to right, the through hole 202 is symmetrically formed in the diaphragm body 201 along a central axis, the convex rings 209 are respectively disposed on two sides of the diaphragm body 201, and the diaphragm 206 is made of nitrile rubber, which has strong oil resistance and wear resistance, so that the bending resistance of a diaphragm bending portion can be enhanced, and the service life of the diaphragm is prolonged.

Referring to fig. 1, the convex ring 209 is adapted to the groove 105, the diaphragm body 201 is fixedly connected to the inner gland 103 and the mounting rod 101 through the second bolt 204, the outer gland 107, the diaphragm body 201 and the inner gland 103 are fixedly connected through the first bolt 102, the gap between the convex ring 209 and the groove 105 plays a role of buffering the stress of the diaphragm body 201 through the cooperation of the convex ring 209 and the groove 105, and then the loss of the diaphragm during operation is reduced through the protection layer arranged in the diaphragm body 201.

Referring to fig. 1-2, the sealing ring 3 is disposed at the joint of the outer gland 107, the inner gland 103 and the diaphragm body 201, so that the outer gland 107, the diaphragm body 201 and the inner gland 103 are more compactly bonded, the sealing effect of the three is improved, and liquid is prevented from permeating into the gap between the three.

The working principle of the diaphragm fixer of the water diaphragm pump is as follows: when in use, the fixing component 1 comprises an installation rod 101, a first bolt 102, an inner gland 103, a spiral hole 104, a groove 105, a connecting rod 106, an outer gland 107 and a nut groove 108, wherein one end of the installation rod 101 is welded at both ends of the connecting rod 106, the other end of the installation rod 101 is welded at one side of the inner gland 103 and the central axes of the two correspond, the installation rod 101 and the inner gland 103 are provided with the spiral hole 104 along the central axis, the outer gland 107 is fixedly connected with the inner gland 103 through the first bolt 102, a gap is reserved between the two, one sides of the inner gland 103 and the outer gland 107 are provided with the groove 105, the central axis of the outer gland 107 is provided with the nut groove 108, a convex ring 209 is matched with the groove 105, the diaphragm body 201 is fixedly connected with the inner gland 103 and the installation rod 101 through the second bolt 204, and the outer gland 107, the diaphragm body 201 and the inner gland 103 are fixedly connected through the first bolt 102, the diaphragm component 2 is composed of a diaphragm body 201, a through hole 202, an elastic sheet 203, a second bolt 204, a reinforcing rib 205, a diaphragm sheet 206, a pressure-resistant layer 207, a buffer sheet 208 and a convex ring 209, wherein the diaphragm body 201 is sequentially provided with the elastic sheet 203, the reinforcing rib 205, the diaphragm sheet 206, the pressure-resistant layer 207 and the buffer sheet 208 from left to right, the through hole 202 is symmetrically formed in the diaphragm body 201 along a central axis, the convex rings 209 are arranged on both sides of the diaphragm body 201, when the diaphragm body 201 moves left and right, the fastening between the fixing component 1 and the diaphragm body 201 is too tight to cause higher loss of the diaphragm, so that the pressure is released through the clearance between the groove 105 and the convex ring 209, the outer press cover 107, the diaphragm body 201 and the inner press cover 103 are fixedly connected through the bolts, thereby facilitating equipment maintenance, disassembly and installation, facilitating replacement of the diaphragm body 201, and replacement of the diaphragm body 206 by arranging the elastic sheets 203 on, The reinforcing ribs 205, the pressure-resistant layer 207 and the buffer sheet 208 protect the diaphragm, so that the stress range of the joint of the diaphragm 206 and the fixed component 1 is further reduced, the damage to the diaphragm 206 is reduced, the diaphragm 206 is made of nitrile rubber, and the material has strong oil resistance and wear resistance, and the service life of the diaphragm is prolonged.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by 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 diaphragm fixer of the water diaphragm pump is characterized by comprising

The fixing component (1) is composed of a mounting rod (101), a first bolt (102), an inner gland (103), a spiral hole (104), a groove (105), a connecting rod (106), an outer gland (107) and a nut groove (108), one end of the mounting rod (101) is welded at both ends of the connecting rod (106), the other end of the mounting rod (101) is welded on one side of the inner gland (103), the central axes of the installation rod (101) and the inner gland (103) are corresponding, the spiral hole (104) is arranged along the central axis of the installation rod and the inner gland, the outer gland (107) is fixedly connected with the inner gland (103) through the first bolt (102), a gap is reserved between the inner gland (103) and the outer gland (107), one side of the inner gland (103) and one side of the outer gland are both provided with the groove (105), the nut groove (108) is formed in the central axis of the outer gland (107);

diaphragm subassembly (2), diaphragm subassembly (2) comprises diaphragm body (201), through-hole (202), flexure strip (203), second bolt (204), strengthening rib (205), diaphragm piece (206), resistance to pressure layer (207), buffer plate (208) and bulge loop (209), diaphragm body (201) has set gradually from a left side to the right side flexure strip (203), strengthening rib (205), diaphragm piece (206), resistance to pressure layer (207) and buffer plate (208), diaphragm body (201) have been seted up along the axis symmetry through-hole (202), the both sides of diaphragm body (201) all are provided with bulge loop (209).

2. A diaphragm pump diaphragm holder according to claim 1, wherein the protruding ring (209) is adapted to the recess (105).

3. A diaphragm holder for a diaphragm pump according to any one of claims 1-2, wherein the diaphragm body (201) is fixedly connected to the inner gland (103) and the mounting rod (101) by means of second bolts (204), and the outer gland (107), the diaphragm body (201), and the inner gland (103) are fixedly connected by means of the first bolts (102).

4. A diaphragm holder for a diaphragm pump according to claim 1, wherein sealing rings (3) are provided at the connection of the outer gland (107) and the inner gland (103) to the diaphragm body (201).

5. The diaphragm holder of claim 1, wherein the diaphragm (206) is made of nitrile rubber.