CN211230741U

CN211230741U - Double-end metering pump with buffer function

Info

Publication number: CN211230741U
Application number: CN201922245986.XU
Authority: CN
Inventors: 陈宗海
Original assignee: Xinyi Xingchen New Material Technology Co ltd
Current assignee: Xinyi Xingchen New Material Technology Co ltd
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-08-11
Anticipated expiration: 2029-12-16

Abstract

A double-head metering pump with a buffering function comprises a motor, a pump body, pump heads and a fixed support, wherein the motor is arranged at the top of the pump body, the pump heads are arranged on two sides of the pump body, the pump body and the pump heads on the two sides are fixed by the fixed support, and a buffering device is arranged inside each pump head; the buffer device comprises a buffer shell, a buffer cavity, a damping film and a throttle valve, the buffer cavity is formed between the buffer shell and the damping film, and the throttle valve is arranged at the bottom end of the buffer cavity in parallel. Double-end measuring pump with buffer function, simple structure, reasonable in design set up buffer, buffer chamber is injectd by shock-absorbing film that can warp, the throttle effect of choke valve changes according to shock-absorbing film's the deformation condition, the choke valve has the throttle effect that can change, the throttle effect reduces along with the crescent of buffer chamber volume.

Description

Double-end metering pump with buffer function

Technical Field

The utility model belongs to the technical field of the measuring pump, specifically, relate to a double-end measuring pump with buffer function.

Background

The metering pump is also called a quantitative pump or a proportional pump. The metering pump is a special volumetric pump which can meet various strict process flows, can realize stepless regulation of the flow rate within the range of 0-100% and is used for conveying liquid (particularly corrosive liquid).

Metering pumps are one type of fluid delivery machine that are characterized by the ability to maintain a constant flow rate independent of the discharge pressure. The metering pump can simultaneously complete the functions of conveying, metering and adjusting, thereby simplifying the production process flow. Several media can be input into the process flow according to an accurate proportion for mixing by using a plurality of metering pumps, and the metering pumps are widely applied to various industrial fields of petrochemical industry, pharmacy, food and the like nowadays due to the outstanding characteristics of the metering pumps.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims at providing a double-end measuring pump with buffer function sets up buffer, and buffer chamber is injectd by the shock-absorbing film that can warp, and the throttle effect of choke valve changes according to shock-absorbing film's the deformation condition, and the choke valve has the throttle effect that can change, and the throttle effect reduces along with the crescent of buffer chamber volume.

The technical scheme is as follows: the utility model provides a double-end measuring pump with buffer function, including motor, the pump body, pump head and fixed bolster, pump body top is equipped with the motor, the pump body both sides are equipped with the pump head, the pump body and both sides pump head are fixed by the fixed bolster, be equipped with buffer inside the pump head, left side pump head bottom is equipped with the first water inlet, left side pump head top is equipped with first delivery port, right side pump head bottom is equipped with the second water inlet, right side pump head top is equipped with the second delivery port, first delivery port and second delivery port are connected with buffer; the buffer device comprises a buffer shell, a buffer cavity, a damping film and a throttle valve, the buffer cavity is formed between the buffer shell and the damping film, and the throttle valve is arranged at the bottom end of the buffer cavity in parallel. The utility model discloses a double-end measuring pump with buffer function, simple structure, reasonable in design, buffer chamber are injectd by the shock attenuation film that can warp, and the throttling action of choke valve changes according to shock attenuation film's the deformation condition, and the choke valve has the throttling action that can change, and the throttling action reduces along with the crescent of buffer chamber volume.

Further, in the double-head metering pump with the buffering function, the pump body and the pump heads on the two sides form a structure shaped like a Chinese character 'shan'.

Further, foretell double-end measuring pump that has buffer function, the fixed bolster both sides are equipped with the connecting pipe, the connecting pipe inner wall is equipped with the protective cradle.

Further, foretell double-end measuring pump that has buffer function, the protective cradle bottom is established in the fixed bolster, first delivery port, motor and second delivery port are connected to the protective cradle upper end. The fixed support and the protective support protect the connection between the pump head and the motor, so that the personal safety of workers is well protected, the stability of production is ensured, and the production efficiency is improved.

Furthermore, according to the double-head metering pump with the buffering function, the first water inlet and the second water inlet are respectively provided with the water inlet pipe, the plug plate, the spiral connector, the flat connector and the rubber gasket, the plug plate is arranged at the bottoms of the first water inlet and the second water inlet of the water inlets, the spiral connector is fixedly arranged on the inner side of the plug plate, the flat connector is fixedly arranged inside the spiral connector, the rubber gasket is arranged on the outer side of the flat connector, and the flat connector is connected with the water inlet pipe. The spiral connector is arranged, the rubber gasket is arranged on the flat connector, and the water inlet of the metering pump can be connected with the water pipe in a spiral or direct insertion mode at any time to prevent liquid leakage.

Furthermore, in the double-head metering pump with the buffering function, the plug plate and the spiral connector are of an integral structure.

Furthermore, according to the double-head metering pump with the buffering function, the rubber gasket is provided with the anti-skidding threads.

Furthermore, according to the double-head metering pump with the buffering function, air outlets are formed in the peripheries of the bottoms of the first water outlet and the second water outlet.

Above-mentioned technical scheme can find out, the utility model discloses following beneficial effect has: double-end measuring pump with buffer function, simple structure, reasonable in design set up buffer, buffer chamber is injectd by the shock-absorbing film that can warp, the throttling action of choke valve changes according to shock-absorbing film's the deformation condition, the choke valve has the throttling action that can change, the throttling action reduces along with the crescent of buffer chamber volume, the connection of fixed bolster and protective cradle protection pump head and motor, better protection workman's personal safety, guarantee the stability of production, improve production efficiency, very high spreading value has.

Drawings

Fig. 1 is a schematic structural view of a double-head metering pump with a buffering function according to the present invention;

FIG. 2 is a schematic view of a stopper used for an adjusting pipe of the double-head metering pump with a buffering function according to the present invention;

fig. 3 is a schematic diagram of the double-ended metering pump with the buffering function when the stop block resets.

In the figure: the water inlet pipe comprises a motor 1, a pump body 2, a fixed support 3, a connecting pipe 31, a protective support 4, a first water inlet 5, a water inlet pipe 51, a plug plate 52, a spiral connector 53, a flat connector 54, a rubber gasket 55, a first water outlet 6, a second water inlet 7, a second water outlet 8, a buffer device 9, a buffer shell 10, a buffer chamber 11, a damping film 12 and a throttle valve 13.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

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", "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, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be 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 according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

The double-head metering pump with the buffering function as shown in fig. 1-2 comprises a motor 1, a pump body 2, pump heads and a fixed support 3, wherein the motor 1 is arranged at the top of the pump body 2, the pump heads are arranged on two sides of the pump body 2, the pump bodies 2 and the pump heads on two sides are fixed by the fixed support 3, a buffering device 9 is arranged inside the pump heads, a first water inlet 5 is arranged at the bottom of the pump head on the left side, a first water outlet 6 is arranged at the top of the pump head on the left side, a second water inlet 7 is arranged at the bottom of the pump head on the right side, a second water outlet 8 is arranged at the top of the pump head on the right; the buffer device 9 comprises a buffer shell 10, a buffer chamber 11, a damping film 12 and a throttle valve 13, the buffer chamber 11 is formed between the buffer shell 10 and the damping film 12, and the throttle valve 13 is arranged at the bottom end of the buffer chamber 11 in parallel. The damping chamber is delimited by a deformable damping membrane, the throttling action of the throttle valve being variable as a function of the deformation of the damping membrane, the throttle valve having a variable throttling action which decreases with increasing volume of the damping chamber.

The pump body 2 and the pump heads on the two sides form a structure shaped like a Chinese character 'shan'.

Connecting pipes 31 are arranged on two sides of the fixed support 3, and protective supports 4 are arranged on the inner walls of the connecting pipes 31. The bottom end of the protection support 4 is arranged in the fixed support 3, and the upper end of the protection support 4 is connected with the first water outlet 6, the motor 1 and the second water outlet 8.

As shown in fig. 3, the first water inlet 5 and the second water inlet 7 are respectively provided with a water inlet pipe 51, a stopper plate 52, a screw connector 53, a flat connector 54 and a rubber gasket 55, the stopper plate 52 is arranged at the bottom of the first water inlet 5 and the second water inlet 7 of the water inlet 5, the screw connector 53 is fixedly arranged on the inner side of the stopper plate 52, the flat connector 54 is fixedly arranged inside the screw connector 53, the rubber gasket 55 is arranged on the outer side of the flat connector 54, and the flat connector 54 is connected with the water inlet pipe 51. The plug plate 52 and the screw interface 53 are of an integral construction. The rubber gasket 55 is provided with anti-skid threads.

And air outlets are arranged at the periphery of the bottoms of the first water outlet 6 and the second water outlet 8.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principles of the present invention, and these modifications should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a double-end measuring pump with buffer function which characterized in that: the water pump comprises a motor (1), a pump body (2), pump heads and a fixed support (3), wherein the motor (1) is arranged at the top of the pump body (2), the pump heads are arranged on two sides of the pump body (2), the pump head (2) and the pump heads on the two sides are fixed by the fixed support (3), a buffer device (9) is arranged inside the pump heads, a first water inlet (5) is arranged at the bottom of the pump head on the left side, a first water outlet (6) is arranged at the top of the pump head on the left side, a second water inlet (7) is arranged at the bottom of the pump head on the right side, a second water outlet (8) is arranged at the top of the pump head on the right side, and; the damping device (9) comprises a damping shell (10), a damping chamber (11), a damping film (12) and a throttling valve (13), the damping chamber (11) is formed between the damping shell (10) and the damping film (12), and the throttling valve (13) is arranged at the bottom end of the damping chamber (11) in parallel.

2. The double-headed metering pump with a buffering function according to claim 1, characterized in that: the pump body (2) and the pump heads on the two sides form a structure shaped like a Chinese character 'shan'.

3. The double-headed metering pump with a buffering function according to claim 1, characterized in that: connecting pipes (31) are arranged on two sides of the fixed support (3), and protective supports (4) are arranged on the inner walls of the connecting pipes (31).

4. The double-headed metering pump with a buffering function according to claim 3, characterized in that: the bottom end of the protective support (4) is arranged in the fixed support (3), and the upper end of the protective support (4) is connected with the first water outlet (6), the motor (1) and the second water outlet (8).

5. The double-headed metering pump with a buffering function according to claim 1, characterized in that: the water inlet pipe (51), the plug plate (52), the spiral connector (53), the flat head connector (54) and the rubber gasket (55) are arranged on the first water inlet (5) and the second water inlet (7), the plug plate (52) is arranged at the bottoms of the first water inlet (5) and the second water inlet (7) of the water inlet (5), the spiral connector (53) is fixedly arranged on the inner side of the plug plate (52), the flat head connector (54) is fixedly arranged inside the spiral connector (53), the rubber gasket (55) is arranged on the outer side of the flat head connector (54), and the flat head connector (54) is connected with the water inlet pipe (51).

6. The double-headed metering pump with a buffering function according to claim 5, wherein: the plug plate (52) and the spiral connector (53) are of an integral structure.

7. The double-headed metering pump with a buffering function according to claim 5, wherein: and the rubber gasket (55) is provided with anti-skid threads.

8. The double-headed metering pump with a buffering function according to claim 1, characterized in that: and air outlets are arranged around the bottoms of the first water outlet (6) and the second water outlet (8).