CN215213795U

CN215213795U - Plunger type measuring pump convenient to installation

Info

Publication number: CN215213795U
Application number: CN202121696630.9U
Authority: CN
Inventors: 宋艳方; 方小英
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-26
Filing date: 2021-07-26
Publication date: 2021-12-17
Anticipated expiration: 2031-07-26

Abstract

The utility model discloses a plunger type measuring pump convenient to installation, including the measurement pump body, one side fixed mounting that the motor was kept away from to the measurement pump body has the plunger casing, the both sides fixed mounting of plunger casing has outer catheter, the inner wall swing joint of outer catheter has interior catheter, install the fixed establishment who is used for fixed outer catheter and interior catheter on the outer catheter, the handle is close to the fixed annular gasbag that is provided with in one side of outer catheter, annular gasbag is close to one side of outer catheter and installs the sealing mechanism who is used for sealed outer catheter and interior catheter junction. The utility model discloses a set up fixed establishment, according to the length that self needs to adjust, can make the interior bolt hole on the interior catheter correspond the outer bolt hole of seting up on the outer catheter through the brake lever, then fixed through connecting bolt, reached and to have reached the effect that can make the outer catheter of both sides on the plunger casing have the extension to shorten.

Description

Plunger type measuring pump convenient to installation

Technical Field

The utility model relates to a pump technical field especially relates to a plunger type measuring pump convenient to installation.

Background

The plunger type metering pump is a common fluid conveying device, belongs to a reciprocating pump, realizes fluid conveying by changing the volume of a sealed working cavity by means of reciprocating motion of a plunger in a cylinder body, has the advantages of high rated pressure, compact structure, high efficiency, convenient flow regulation and the like, and is widely applied to the occasions of conveying slurry and pure liquid with flow needing to be regulated, such as hydraulic machines, engineering machinery, ships, chemical machinery and the like.

Due to the limitations of the existing plunger metering pump, the liquid guide pipes on the two sides of the plunger shell are fixed in size, and different lengths cannot be adjusted according to the needs of the existing plunger metering pump to match the installation of the installation position, so that a novel plunger metering pump convenient to install is required to be provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a plunger type metering pump convenient to install.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the plunger type metering pump convenient to install comprises a metering pump body, a motor is fixedly mounted at the upper end of one side of the metering pump body, a plunger shell is fixedly mounted at one side, away from the motor, of the metering pump body, outer liquid guide pipes are fixedly mounted at two sides of the plunger shell, inner liquid guide pipes are movably connected to the inner wall of each outer liquid guide pipe, a fixing mechanism used for fixing the outer liquid guide pipe and the inner liquid guide pipes is mounted on each outer liquid guide pipe, a handle is fixedly mounted at the part, located outside the outer liquid guide pipes, on the side wall of each inner liquid guide pipe, an annular air bag is fixedly arranged at one side, close to the outer liquid guide pipes, of the handle, and a sealing mechanism used for sealing the joint of the outer liquid guide pipes and the inner liquid guide pipes is mounted at one side, close to the outer liquid guide pipes, of the annular air bag.

Preferably, the fixing mechanism comprises a bolt, one end of the side wall of the outer liquid guide pipe, which is far away from the plunger shell, is symmetrically provided with a pair of outer bolt holes, the side wall of the inner liquid guide pipe is provided with a plurality of inner bolt holes, and the bolt is in threaded connection with the outer bolt holes and the inner bolt holes corresponding to the outer bolt holes.

Preferably, the sealing mechanism comprises an annular sealing sheet which is fixedly connected to one side of the annular air bag close to the outer catheter, the annular sealing sheet is sleeved outside the inner catheter in a sliding manner, and the annular sealing sheet abuts against the end of the outer catheter under the action of the annular air bag.

Preferably, an inflation hole is fixedly formed in the upper end of the annular air bag, and a sealing plug is connected to the inflation hole in a threaded mode.

Preferably, the outer catheter, the inner catheter and the outer part of the handle are coated with antirust paint, and an anti-skid rubber sleeve is fixedly sleeved on the surface of the handle.

Preferably, the annular air bag is made of a high-molecular elastic material.

The utility model discloses following beneficial effect has:

1. through setting up fixed establishment, according to the length that self needs to be adjusted, can make the interior bolt hole on the interior catheter correspond the outer bolt hole of seting up on the outer catheter through pulling handle, then fix through connecting bolt, reached and to have reached the effect that can make the outer catheter of both sides on the plunger casing have the extension to shorten.

2. Through setting up sealing mechanism, when the outer catheter of plunger casing both sides was prolonged, can aerify in the annular gasbag, the annular gasbag that is full of gas can impel the gasket toward the depths of inner tube, has kept off the clearance in the middle of the interior, outer catheter, has guaranteed the leakproofness of the interior, outer catheter of plunger casing both sides.

Drawings

Fig. 1 is a front view of a plunger type metering pump convenient to install according to the present invention;

FIG. 2 is a cross-sectional view of a catheter of a plunger-type metering pump of the present invention for easy installation;

fig. 3 is a schematic structural view of a catheter of a plunger-type metering pump convenient to install in an extended state.

In the figure: 1. a metering pump body; 2. a motor; 3. a plunger housing; 4. an external catheter; 5. a handle; 6. an annular air bag; 7. a bolt; 8. an inner catheter; 9. an inner bolt hole; 10. an inflation hole; 11. an annular sealing sheet; 12. and an outer bolt hole.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", 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 being 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.

Referring to fig. 1-3, a plunger type metering pump convenient to installation, including the measurement pump body 1, the upper end fixed mounting of one side of the measurement pump body 1 has motor 2, one side fixed mounting that the measurement pump body 1 kept away from motor 2 has plunger casing 3, the both sides fixed mounting of plunger casing 3 has outer catheter 4, the inner wall swing joint of outer catheter 4 has interior catheter 8, install the fixed establishment who is used for fixed outer catheter 4 and interior catheter 8 on the outer catheter 4, fixed establishment includes bolt 7, the one end symmetry that plunger casing 3 was kept away from to outer catheter 4 lateral wall has seted up a pair of outer bolt hole 12, all be equipped with a plurality of interior bolt hole 9 on the lateral wall of interior catheter 8, bolt 7 threaded connection is in outer bolt hole 12 and the interior bolt hole 9 that corresponds with outer bolt hole 12.

The part of the side wall of the inner catheter 8, which is positioned outside the outer catheter 4, is fixedly provided with a handle 5, one side of the handle 5, which is close to the outer catheter 4, is fixedly provided with an annular air bag 6, and the annular air bag 6 is made of a high polymer elastic material. An inflation hole 10 is fixedly arranged at the upper end of the annular air bag 6, and a sealing plug is connected to the inflation hole 10 in a threaded manner.

The side of the annular balloon 6 close to the outer catheter 4 is provided with a sealing mechanism for sealing the joint of the outer catheter 4 and the inner catheter 8. The sealing mechanism comprises an annular sealing sheet 11, the annular sealing sheet 11 is fixedly connected to one side, close to the outer liquid guide tube 4, of the annular air bag 6, the annular sealing sheet 11 is sleeved outside the inner liquid guide tube 8 in a sliding mode, and the annular sealing sheet 11 abuts against the end portion of the outer liquid guide tube 4 under the effect of the annular air bag 6.

The outer catheter 4, the inner catheter 8 and the handle 5 are coated with antirust paint on the inner and outer parts, and the surface of the handle 5 is fixedly sleeved with an anti-skid rubber sleeve.

It should be noted that when the inflated annular air bag 6 is expanded transversely to push the annular sealing sheet 11 toward the connection with the outer catheter 4, the inflation of the annular air bag 6 can be stopped when the annular air bag is abutted to a required proper position, and if the inner catheter 8 needs to be pushed back into the outer catheter 4, the inflation hole 10 can be opened to let the air be discharged from the annular air bag 6, and the annular air bag 6 made of the high molecular elastic material can be retracted.

The utility model discloses in, when the installation plunger type measuring pump, when the size of the outer catheter 4 of 3 both sides of plunger casing does not match with the size of installation department, can twist bolt 7, cancel outer catheter 4 and interior catheter 8 fixed, and interior catheter 8 through 5 pulling of handle and 4 inner wall swing joint of outer catheter, change outer catheter 4 and interior catheter 8's whole length, outer bolt hole 12 on the interior catheter 8 is selected according to the demand of self and cooperatees with suitable interior bolt hole 9, and twist bolt 7, make outer catheter 4 fixed with interior catheter 8, accomplish the size adjustment of outer catheter 4.

After the internal liquid guide tube 8 is pulled by the handle 5, the annular air sac 6 is inflated through the inflation hole 10, the annular air sac 6 on one side of the handle 5 expands transversely along with the inflation, and the annular sealing sheet 11 is pushed into the joint of the internal liquid guide tube 8 and the external liquid guide tube 4, so that the sealing effect is achieved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A plunger type metering pump convenient to install comprises a metering pump body (1) and is characterized in that a motor (2) is fixedly installed at the upper end of one side of the metering pump body (1), a plunger shell (3) is fixedly installed at one side, far away from the motor (2), of the metering pump body (1), outer liquid guide pipes (4) are fixedly installed at two sides of the plunger shell (3), an inner liquid guide pipe (8) is movably connected to the inner wall of each outer liquid guide pipe (4), a fixing mechanism used for fixing the outer liquid guide pipes (4) and the inner liquid guide pipes (8) is installed on each outer liquid guide pipe (4), a handle (5) is fixedly installed on the portion, located outside the outer liquid guide pipes (4), of the side wall of each inner liquid guide pipe (8), a ring-shaped air bag (6) is fixedly installed at one side, close to the outer liquid guide pipes (4), of the handle (5), and a sealing mechanism used for sealing the joint of the outer catheter (4) and the inner catheter (8) is arranged on one side of the annular air bag (6) close to the outer catheter (4).

2. Plunger type metering pump convenient to install according to claim 1, characterized in that the fixing mechanism comprises a bolt (7), one end of the side wall of the outer liquid guide pipe (4) far away from the plunger housing (3) is symmetrically provided with a pair of bolt holes (12), the side wall of the inner liquid guide pipe (8) is provided with a plurality of inner bolt holes (9), and the bolt (7) is in threaded connection with the outer bolt holes (12) and the inner bolt holes (9) corresponding to the outer bolt holes (12).

3. Plunger metering pump easy to install according to claim 1, characterized in that the sealing mechanism comprises a ring-shaped sealing sheet (11), the ring-shaped sealing sheet (11) is fixedly connected to the side of the ring-shaped balloon (6) close to the outer catheter (4), the ring-shaped sealing sheet (11) is slidably sleeved outside the inner catheter (8), and the ring-shaped sealing sheet (11) abuts against the end of the outer catheter (4) under the action of the ring-shaped balloon (6).

4. Plunger-type metering pump easy to install according to claim 1, characterized in that the annular air chamber (6) is fixedly provided with an air-filling port (10) at its upper end, and a sealing plug is screwed on the air-filling port (10).

5. Plunger metering pump convenient to install according to claim 1, characterized in that the outer catheter (4), the inner catheter (8) and the handle (5) are coated with antirust paint on the inside and outside, and the handle (5) is fixedly sleeved with an anti-skid rubber sleeve on the surface.

6. Plunger-type metering pump easy to install according to claim 1, characterized in that the annular bladder (6) is made of a polymeric elastic material.