CN214741976U

CN214741976U - Limiting structure of diaphragm pump pushing frame

Info

Publication number: CN214741976U
Application number: CN202121274285.XU
Authority: CN
Inventors: 周如景
Original assignee: Zhongshan Willpower Motor & Electric Appliance Co ltd
Current assignee: Zhongshan Willpower Motor & Electric Appliance Co ltd
Priority date: 2021-06-08
Filing date: 2021-06-08
Publication date: 2021-11-16
Anticipated expiration: 2031-06-08

Abstract

The utility model discloses a limit structure of a push frame of a diaphragm pump, which comprises a base, a pump cover and a motor, wherein the pump cover is fixedly and hermetically connected with the base, a water inlet and a water outlet are arranged on the pump cover, the cavity internal fixation has the backup pad that matches, the backup pad bottom surface is equipped with the diaphragm seal, the diaphragm seal circumference compresses tightly between baffle and backup pad, diaphragm seal side is protruding downwards and is formed a plurality of pressure boost diaphragms, constitute the pressure boost chamber between pressure boost diaphragm and the backup pad, the pressure boost chamber is respectively through the one-way structure of intaking in the backup pad, go out water one-way structure and water inlet, the delivery port switches on or cuts off, a plurality of pressure boost diaphragm's lower extreme respectively with push away the frame and be connected, it is connected with the center post to push away the frame lower extreme, center post slope sets up and lower extreme swing joint has the eccentric member, the eccentric member is connected with motor output shaft, be fixed with the spheroid on the baffle, spheroid bottom and push away the frame top surface butt. The utility model discloses reduce the wearing and tearing of baffle in the pump, prolonged its life, reduced cost of maintenance.

Description

Limiting structure of diaphragm pump pushing frame

Technical Field

The utility model relates to a fluid transport technical field, concretely relates to diaphragm pump pushes away limit structure of frame.

Background

The diaphragm pump is used comparatively extensively in our daily life, its simple structure of diaphragm pump, present diaphragm pump is mainly that it is rotatory to examine the motor and drive the eccentric member, the eccentric member drives and pushes away the frame and sways, and then enlarge or extrude the pressure boost chamber, inhale water or pump, but when the water inlet water level is lower than the diaphragm pump body, in order to inhale water, push away the frame and enlarge or the range that extrudes the pressure boost chamber can increase, thereby it is more to make to push away frame and pump median septum frictional contact, easily cause the wearing and tearing and the damage of baffle and push away the frame like this, make diaphragm pump work efficiency greatly reduced, the baffle still needs to be changed simultaneously, and the maintenance cost is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a diaphragm pump pushes away limit structure of frame for reduce the wearing and tearing of baffle in the pump, prolong its life, reduce cost of maintenance.

In order to solve the technical problem, the utility model discloses a following scheme:

a limit structure of a diaphragm pump pushing frame comprises a base, a pump cover and a motor, wherein the pump cover is fixedly and hermetically connected with the base, a cavity is formed inside the pump cover, the motor is fixed below the base, a water inlet and a water outlet are formed in the pump cover, a matched supporting plate is fixed in the cavity, a diaphragm sealing pad is arranged on the bottom surface of the supporting plate, the diaphragm sealing pad is circumferentially compressed between a partition plate and the supporting plate, the middle part of the diaphragm sealing pad protrudes downwards to form a plurality of pressurizing diaphragms, a pressurizing cavity is formed between the pressurizing diaphragms and the supporting plate, the pressurizing cavity is communicated or separated with the water inlet and the water outlet through a water inlet one-way structure and a water outlet one-way structure on the supporting plate respectively, the lower ends of the pressurizing diaphragms are connected with the pushing frame respectively, the lower end of the pushing frame is connected with a central column, the central column is obliquely arranged and movably connected with an eccentric part, the eccentric part is connected with an output shaft of the motor, an installation cavity is formed in the partition plate, and a spheroid body with different materials from the partition plate is fixed in the installation cavity, the bottom end of the spheroid is connected with the top surface of the push frame in a jacking way. In the scheme, the installation cavity is formed in the partition plate, the spherical body is fixed in the installation cavity, the lower end of the spherical body protrudes below the bottom surface of the partition plate, the pushing frame is not in direct contact with the partition plate, the abrasion of the partition plate and the pushing frame is reduced, the maintenance cost is reduced, the top surface of the pushing frame is in small point-surface contact with the spherical body, the spherical body and the pushing frame are less in abrasion in the continuous swinging of the pushing frame, and the generated noise is small.

Preferably, the surface of the spheroid is smooth, and the spheroid is made of metal or ceramic. The metal or the ceramic is made of wear-resistant materials, so that the wear resistance of the spheroid is enhanced, the service life of the spheroid is prolonged, and the formed spherical surface is smooth, so that the friction with the pushing frame is smaller, and the wear is smaller.

Preferably, the water inlet one-way structure comprises a water inlet one-way valve clack and a water inlet hole, the water inlet hole is arranged on the support plate and communicated with the pressurizing cavity, and the water inlet one-way valve clack is sleeved on the support plate and covers the water inlet hole.

Preferably, the water outlet one-way structure comprises a water outlet one-way valve clack and a water outlet hole, the water outlet hole is formed in the supporting plate and communicated with the pressurizing cavity, and the water outlet one-way valve clack is sleeved on the supporting plate and covers the water outlet hole.

The utility model discloses beneficial effect who has:

1. according to the technical scheme, the installation cavity is formed in the partition plate, the spherical body is fixed in the installation cavity, the lower end of the spherical body protrudes below the bottom surface of the partition plate, the pushing frame is not in direct contact with the partition plate, the abrasion of the partition plate and the pushing frame is reduced, the maintenance cost is reduced, the top surface of the pushing frame is in small point-surface contact with the spherical body, the spherical body and the pushing frame are less in abrasion in the continuous swinging of the pushing frame, and the generated noise is small.

2. The spheroid adopts metal or ceramic material, and it is wear-resisting material, has strengthened the wearability of spheroid, prolongs its life, and the sphere that forms is more smooth, and like this with push away the friction of frame littleer, wear is littleer, the noise further reduces.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Reference numerals: 01-water inlet, 02-water inlet, 03-water inlet one-way valve flap, 04-pressurizing cavity, 05-pressurizing diaphragm, 06-pushing frame, 07-base, 08-central column, 09-motor, 10-output shaft, 11-eccentric part, 12-spheroid, 13-clapboard, 14-diaphragm sealing pad, 15-support plate, 16-water outlet one-way valve flap, 17-water outlet, 18-water outlet and 19-pump cover.

Detailed Description

The present invention will be described in further detail with reference to the following examples and drawings, but the present invention is not limited thereto.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "longitudinal", "lateral", "horizontal", "inner", "outer", "front", "rear", "top", "bottom", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and the terms are only for convenience of description of the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should be further noted that, unless otherwise explicitly specified or limited, the terms "disposed," "opened," "mounted," "connected," and "connected" are to be construed broadly, e.g., as either a fixed connection, a detachable connection, or an integral connection; 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

As shown in fig. 1, a limiting structure of a push frame 06 of a diaphragm pump comprises a base 07, a pump cover 19 and a motor 09, wherein the pump cover 19 is fixedly and hermetically connected with the base 07 through a long bolt to avoid water leakage, a cavity is formed inside the pump cover connected with the base 07, the motor 09 is fixed below the base 07, an output shaft 10 of the motor 09 extends upwards into the cavity, a water inlet 01 and a water outlet 18 are arranged on the pump cover 19, a matched support plate 15 is fixed in the cavity, the cavity is hermetically separated by the support plate 15, a water outlet cavity and a water inlet cavity communicated with the water outlet 18 and the water inlet 01 are formed above the support plate 15 and the pump cover 19, the water inlet cavity and the water outlet cavity are mutually separated, a diaphragm seal 14 is arranged on the bottom surface of the support plate 15, the diaphragm seal 14 is circumferentially compressed between a partition plate 13 and the support plate 15, a plurality of pressurizing diaphragms 05 are formed at the middle part of the diaphragm seal 14 in a downward bulge, and a pressurizing cavity 04 is formed between the pressurizing diaphragm 05 and the support plate 15, the pressurizing cavity 04 is communicated or separated with the water inlet 01 and the water outlet 18 through a water inlet one-way structure and a water outlet one-way structure on the supporting plate 15 respectively, the lower ends of the pressurizing diaphragms 05 are connected with the pushing frame 06 respectively, the pushing frame 06 is a structure commonly used in the existing diaphragm pumps and is similar to an umbrella framework in shape, the lower end of the pushing frame 06 is provided with an extending part and is used for being connected with the central column 08, the central column 08 is obliquely arranged, the lower end of the central column 08 is movably connected with an eccentric part 11, the central column 08 is directly obliquely inserted into the eccentric part 11, the eccentric part 11 is fixedly connected with the output shaft 10 of the motor 09, the partition plate 13 is provided with an installation cavity, a spherical body 12 with different materials from the partition plate 13 is fixed in the installation cavity, and the bottom end of the spherical body 12 protrudes downwards and is abutted to the top surface of the pushing frame 06. In this embodiment, the partition plate 13 in the existing diaphragm pump is made of plastic, which is poor in wear resistance and easy to wear, the installation cavity is formed in the partition plate 13, the spherical body 12 is fixed in the installation cavity, the lower end of the spherical body 12 protrudes below the bottom surface of the partition plate 13, so that the pushing frame 06 is not directly contacted with the partition plate 13, the abrasion of the partition plate 13 and the pushing frame is reduced, the maintenance cost is reduced, the top surface of the pushing frame 06 is in small point-surface contact with the spherical body 12, and thus, in the continuous swinging of the pushing frame 06, the abrasion of the spherical body 12 and the pushing frame 06 is small, and the generated noise is small.

Example 2

In this embodiment, the spherical body 12 is a sphere with a smooth surface, and the spherical body 12 is made of metal or ceramic. The metal or the ceramic is made of wear-resistant materials, so that the wear resistance of the spheroid 12 is enhanced, the service life of the spheroid is prolonged, and the formed spherical surface is smooth, so that the friction with the push frame 06 is smaller, and the wear is smaller.

Example 3

The water inlet one-way structure comprises a water inlet one-way valve clack 03 and a water inlet hole 02, the water inlet hole 02 is formed in the supporting plate 15 and communicated with the pressurizing cavity 04, and the water inlet one-way valve clack 03 is sleeved on the supporting plate 15 and covers the water inlet hole 02.

The water outlet one-way structure comprises a water outlet one-way valve clack 16 and a water outlet 17, the water outlet 17 is arranged on the supporting plate 15 and communicated with the pressurizing cavity 04, and the water outlet one-way valve clack 16 is sleeved on the supporting plate 15 and covers the water outlet 17.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and the technical essence of the present invention is that within the spirit and principle of the present invention, any simple modification, equivalent replacement, and improvement made to the above embodiments are all within the protection scope of the technical solution of the present invention.

Claims

1. A limiting structure of a diaphragm pump pushing frame (06) comprises a base (07), a pump cover (19) and a motor (09), wherein the pump cover (19) is fixedly and hermetically connected with the base (07), a cavity is formed inside the pump cover (19), the motor (09) is fixed below the base (07), a water inlet (01) and a water outlet (18) are formed in the pump cover (19), a matched supporting plate (15) is fixed in the cavity, a diaphragm sealing pad (14) is arranged on the bottom surface of the supporting plate (15), the diaphragm sealing pad (14) is circumferentially compressed between a partition plate (13) and the supporting plate (15), the middle part of the diaphragm sealing pad (14) protrudes downwards to form a plurality of boosting diaphragms (05), a boosting cavity (04) is formed between the boosting diaphragms (05) and the supporting plate (15), and the boosting cavity (04) is respectively communicated with or separated from the water inlet one-way structure, the water outlet one-way structure and the water inlet (01) and the water outlet (18) through the supporting plate (15), the lower ends of the plurality of pressurizing diaphragms (05) are respectively connected with a pushing frame (06), the lower end of the pushing frame (06) is connected with a center post (08), the center post (08) is obliquely arranged, the lower end of the center post (08) is movably connected with an eccentric part (11), the eccentric part (11) is connected with an output shaft (10) of a motor (09), the pressurizing diaphragm pushing device is characterized in that a mounting cavity is formed in the partition plate (13), a spherical body (12) which is made of different materials and is different from the partition plate (13) is fixed in the mounting cavity, and the bottom end of the spherical body (12) is abutted to the top surface of the pushing frame (06).

2. A limiting structure of a diaphragm pump push frame (06) according to claim 1, wherein the surface of the spheroid (12) is smooth, and the spheroid (12) is made of metal or ceramic.

3. A limiting structure of a diaphragm pump push frame (06) according to claim 1, wherein the water inlet one-way structure comprises a water inlet one-way valve flap (03) and a water inlet hole (02), the water inlet hole (02) is arranged on the support plate (15) and communicated with the pressurizing cavity (04), and the water inlet one-way valve flap (03) is sleeved on the support plate (15) and covers the water inlet hole (02).

4. A limiting structure of a diaphragm pump push frame (06) according to claim 1, wherein the water outlet one-way structure comprises a water outlet one-way valve flap (16) and a water outlet hole (17), the water outlet hole (17) is disposed on the support plate (15) and communicated with the pressurizing cavity (04), and the water outlet one-way valve flap (16) is sleeved on the support plate (15) and covers the water outlet hole (17).