CN214304289U

CN214304289U - Diaphragm pump for cleaning machine

Info

Publication number: CN214304289U
Application number: CN202023265543.6U
Authority: CN
Inventors: 史远吉
Original assignee: Changzhou Yuanwang Fluid Technology Co ltd
Current assignee: Changzhou Yuanwang Fluid Technology Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-09-28
Anticipated expiration: 2030-12-30

Abstract

The utility model relates to a diaphragm pump for cleaning machine, including the pump body, fixedly connected with box on the pump body is equipped with driving motor and diaphragm on the box, and second installation face fixed connection of box is on the first installation face of the pump body, and first installation face is greater than second installation face, and the edge second installation face periphery department of first installation face is equipped with the mounting panel fixed part, has the inlet outlet on the pump body, and threaded connection has screwed joint on the inlet outlet. The utility model discloses a volume of the increase pump body, pump body cross-section after the increase is greater than the box cross-section, the round area of many plays for with the mounting panel cooperation, the middle time of using is placed back the type rubber pad, it is sealed through the cooperation of the mounting panel and the rubber pad pump body, make the pump body and box and motor separate, make the liquid of importing and exporting leakage can not flow motor department, corrode the motor or arouse the short circuit, increase the reliability of whole pump, the screwed joint has been increased outside the inlet outlet simultaneously, even under great water pressure, the outer takeover still remains fixed.

Description

Diaphragm pump for cleaning machine

The technical field is as follows:

the utility model relates to a diaphragm pump field technical field especially relates to a diaphragm pump for cleaning machine.

Background art:

diaphragm pumps are a more particular form of positive displacement pump. The diaphragm pump is characterized in that the volume of a working chamber is changed by reciprocating movement of a diaphragm to suck and discharge liquid, and the diaphragm pump mainly comprises a transmission part and a diaphragm cylinder head. The transmission part is a driving mechanism for driving the diaphragm to swing back and forth, and the transmission form of the driving mechanism is a mechanical diaphragm metering pump, hydraulic transmission, pneumatic transmission and the like. Among them, hydraulic transmission is widely used. In the prior art, the pump body of the diaphragm pump is often leaked at the inlet and the outlet due to reasons such as pressure and the like after being used on a cleaning machine when liquid is treated, the leaked liquid flows to the motor to corrode the motor or cause short circuit, and meanwhile, in the prior art, the external connecting pipe is often loosened when being loose in fixation under larger water outlet pressure.

The utility model has the following contents:

the utility model aims at providing a diaphragm pump for cleaning machine that the higher outer takeover of stability is difficult for taking off to the defect of prior art.

The utility model discloses a realize through following technical scheme: the diaphragm pump for the cleaning machine comprises a pump body, wherein a box body is fixedly connected to the pump body, a driving motor and a diaphragm thereof are mounted on the box body, a second mounting surface of the box body is fixedly connected to a first mounting surface of the pump body, the first mounting surface is larger than the second mounting surface, a mounting plate fixing portion is arranged on the periphery of the second mounting surface along the first mounting surface, a water inlet and a water outlet are formed in the pump body, and a threaded connector is connected to the water inlet and the water outlet in a threaded manner.

In the technical scheme, the width of the fixing part of the mounting plate is 3-5 mm.

In the technical scheme, the mounting plate fixing part is provided with the clip-shaped rubber pad.

In the above technical scheme, the bottom of the box body is provided with a limiting plate, the middle part of the diaphragm is arranged on an output shaft of the driving motor, and the upper part of the diaphragm is abutted against the limiting plate.

In the above technical scheme, the cross sections of the pump body and the box body are both square.

The utility model has the advantages that: the utility model discloses a volume of the increase pump body, pump body cross-section after the increase is greater than the box cross-section, the round area of many plays for with the mounting panel cooperation, the middle time of using is placed back the type rubber pad, it is sealed through the cooperation of the mounting panel and the rubber pad pump body, make the pump body and box and motor separate, make the liquid of importing and exporting leakage can not flow motor department, corrode the motor or arouse the short circuit, increase the reliability of whole pump, the screwed joint has been increased outside the inlet outlet simultaneously, even under great water pressure, the outer takeover still remains fixed.

Description of the drawings:

fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic perspective view of the present invention in another direction;

fig. 3 is a schematic front view of the present invention;

fig. 4 is a schematic side view of the present invention;

FIG. 5 is a schematic cross-sectional view of the present invention;

the reference numbers are as follows: a pump body 100; a first mounting surface 110; a mounting plate fixing portion 111; a water inlet/outlet 120; a threaded joint 121; a case 200; a second mounting surface 210; a driving motor 300; a diaphragm 310.

The specific implementation mode is as follows:

the following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the protection scope of the present invention can be clearly and clearly defined.

As shown in fig. 1 to 5, a diaphragm pump for a cleaning machine comprises a pump body 100, a box body 200 is fixedly connected to the pump body 100, a driving motor 300 and a diaphragm 310 thereof are mounted on the box body 200, a second mounting surface 210 of the box body 200 is fixedly connected to a first mounting surface 110 of the pump body 100, the first mounting surface 110 is larger than the second mounting surface 210, a mounting plate fixing portion 111 is arranged on the first mounting surface 110 along the periphery of the second mounting surface 210, a water inlet 120 and a water outlet 120 are arranged on the pump body 100, and a threaded joint 121 is in threaded connection with the water inlet 120 and the water outlet 120

As shown in FIG. 4, the width of the mounting plate fixing portion 111 is 3 to 5 mm.

The mounting plate fixing portion 111 is provided with a clip-shaped rubber pad, the mounting plate fixing portion 111 is provided with a rubber pad mounting groove, and the clip-shaped rubber pad is mounted in the rubber pad mounting groove.

As shown in fig. 5, a limiting plate is disposed at the bottom of the box 200, the middle of the diaphragm 310 is mounted on the output shaft of the driving motor 300, and the upper portion of the diaphragm abuts against the limiting plate, and two channels are disposed in the housing 100, a check valve plate is disposed on the positive side of one channel, and a check valve plate is disposed on the opposite side of the other channel, so that pressurization or water pumping is achieved by matching with the diaphragm 310.

As shown in fig. 4, the cross-sections of the pump body 100 and the box body 200 are both square, and certainly, the cross-sections may also be cylindrical, so that the positions where the rubber pads are arranged are relatively consistent in width, which not only ensures the beautiful appearance, but also facilitates the installation of the rubber pads.

In addition, in the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "disposed," "provided," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "side", 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 simplification of description, but do not indicate or imply that the device or element referred to 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.

Finally, it should be noted that: the above embodiments are only specific embodiments of the present invention, and are not intended to limit the technical solution of the present invention, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: those skilled in the art can still modify or easily conceive of changes in the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a diaphragm pump for cleaning machine which characterized in that: the pump comprises a pump body (100), a box body (200) is fixedly connected to the pump body (100), a driving motor (300) and a diaphragm (310) of the driving motor are mounted on the box body (200), a second mounting surface (210) of the box body (200) is fixedly connected to a first mounting surface (110) of the pump body (100), the first mounting surface (110) is larger than the second mounting surface (210), a mounting plate fixing portion (111) is arranged on the periphery of the second mounting surface (210) along the first mounting surface (110), a water inlet and a water outlet (120) are formed in the pump body (100), and a threaded connector (121) is connected to the water inlet and the water outlet (120) in a threaded mode.

2. A diaphragm pump for a cleaning machine according to claim 1, characterized in that: the width of the mounting plate fixing part (111) is 3-5 mm.

3. A diaphragm pump for a cleaning machine according to claim 1, characterized in that: the mounting plate fixing part (111) is provided with a clip-shaped rubber pad.

4. A diaphragm pump for a cleaning machine according to claim 1, characterized in that: the bottom of the box body (200) is provided with a limiting plate, the middle part of the diaphragm (310) is arranged on an output shaft of the driving motor (300), and the upper part of the diaphragm abuts against the limiting plate.

5. A diaphragm pump for a cleaning machine according to claim 1, characterized in that: the sections of the pump body (100) and the box body (200) are square.