CN213511334U

CN213511334U - Chemical pump sealing device

Info

Publication number: CN213511334U
Application number: CN202022534280.8U
Authority: CN
Inventors: 闫君芝
Original assignee: Yulin University
Current assignee: Yulin University
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2021-06-22
Anticipated expiration: 2030-11-05

Abstract

The utility model discloses a chemical pump sealing device, the on-line screen storage device comprises a base, the up end of base is equipped with the motor, the power end of motor is equipped with the pump body, the lateral wall of the pump body is equipped with two first connecting pipes, two the other end of first connecting pipe is equipped with the second connecting pipe, be equipped with two internal thread grooves, two jointly between first connecting pipe and the second connecting pipe equal threaded connection has mounting nut in the internal thread groove, two gas tubes of lateral wall fixedly connected with of first connecting pipe. The utility model has reasonable structural design, can limit the second connecting pipe, and can prevent the second connecting pipe from rotating and abrasion; the outer side wall of the second connecting pipe can be wrapped, the outer side wall of the second connecting pipe can be sealed with high wedging degree under the characteristic of strong deformability, the sealing effect is good, and liquid leakage is avoided.

Description

Chemical pump sealing device

Technical Field

The utility model relates to a chemical industry equipment technical field especially relates to a chemical pump sealing device.

Background

The chemical equipment is one part of chemical machinery, the chemical machinery comprises two parts, one part is a chemical machinery, mainly refers to equipment such as a fan, a compressor, various pumps and the like for conveying fluid, and the main part is a moving machine generally called as a chemical machinery. The other is that chemical equipment mainly refers to machinery with static parts, such as separation equipment like a tower, a container, reactor equipment and the like, and is sometimes called nonstandard equipment. The division of chemical machines from other machines is not very strict, for example pumps for chemical processes, but also general equipment used in other industrial sectors.

The chemical pump is an important device in chemical equipment, and when a pipeline of the chemical pump is connected, the sealing is not tight easily due to the slight difference of the sizes, so that the phenomenon of liquid leakage can be caused; therefore, a sealing device for a chemical pump is designed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems existing in the prior art and providing a sealing device for a chemical pump.

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

the utility model provides a chemical pump sealing device, includes the base, the up end of base is equipped with the motor, the power end of motor is equipped with the pump body, the lateral wall of the pump body is equipped with two first connecting pipes, two the other end of first connecting pipe is equipped with the second connecting pipe, be equipped with two internal thread grooves, two jointly between first connecting pipe and the second connecting pipe equal threaded connection has mounting nut in the internal thread groove, two gas tubes of lateral wall fixedly connected with of first connecting pipe, two all be equipped with inflating mechanism between gas tube and the mounting nut that corresponds, the inner wall of first connecting pipe is equipped with two and accomodates the groove, two accomodate the inslot and all be equipped with sealing mechanism, two are equipped with the mounting groove in the first connecting pipe, two all be equipped with reinforcing mechanism between the lateral wall of mounting groove and second connecting pipe.

Preferably, the inflation mechanism comprises a piston slidably connected to the inner wall of the inflation tube, the upper end surface of the piston is fixedly connected with a piston rod, and a hose fixedly connected with the inflation tube penetrates through the side wall of the inflation tube.

Preferably, the sealing mechanism comprises an air bag arranged in the accommodating groove, and the other end of the hose penetrates through the air bag and is fixedly connected with the air bag.

Preferably, the reinforcing mechanism includes the gag lever post of sliding connection in the mounting groove, be connected through two springs between the inner wall of gag lever post and mounting groove, the lateral wall of second connecting pipe is equipped with the spacing groove, the gag lever post extends to the spacing inslot, the lateral wall fixedly connected with stay cord of gag lever post, the stay cord runs through the lateral wall of first connecting pipe and rather than sliding connection.

Preferably, the upper end face of the limiting rod is an arc-shaped face.

Preferably, the piston has a size larger than that of the internally threaded groove.

Compared with the prior art, the utility model, its beneficial effect does:

1. through the effect of strengthening mechanism, can carry on spacingly to the second connecting pipe, make its difficult emergence rotate, avoid causing wearing and tearing.

2. Through the combined action of the inflating mechanism and the sealing mechanism, the outer side wall of the second connecting pipe can be wrapped, and under the characteristic of stronger deformation capacity, the outer side wall of the second connecting pipe can be sealed with high wedging degree, so that the sealing effect is good, and the liquid leakage condition is avoided.

In conclusion, the second connecting pipe can be limited, so that the second connecting pipe is not easy to rotate, and abrasion is avoided; the outer side wall of the second connecting pipe can be wrapped, the outer side wall of the second connecting pipe can be sealed with high wedging degree under the characteristic of strong deformability, the sealing effect is good, and liquid leakage is avoided.

Drawings

Fig. 1 is a schematic structural view of a chemical pump sealing device provided by the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

fig. 3 is an enlarged view of fig. 2 at B.

In the figure: the device comprises a base 1, a motor 2, a pump body 3, a first connecting pipe 4, a second connecting pipe 5, internal thread grooves 6 and 7, a mounting nut 8, an inflation pipe 9, a piston 10, a piston rod 11, a hose 12, a storage groove 13, an air bag 14, a mounting groove 15, a limiting rod 16, a spring 17, a limiting groove 18 and a pull rope 19.

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.

Referring to fig. 1-3, a chemical pump sealing device comprises a base 1, wherein a motor 2 is arranged on the upper end surface of the base 1, a pump body 3 is arranged at the power end of the motor 2, two first connecting pipes 4 are arranged on the side wall of the pump body 3, a second connecting pipe 5 is arranged at the other end of each of the two first connecting pipes 4, two inner thread grooves 7 are jointly arranged between the first connecting pipes 4 and the second connecting pipes 5, mounting nuts 8 are respectively connected in the two inner thread grooves 7 in a threaded manner, two inflation tubes 9 are fixedly connected to the side wall of the first connecting pipe 4, an inflation mechanism is respectively arranged between each of the two inflation tubes 9 and the corresponding mounting nut 8, the inflation mechanism comprises a piston 10 which is slidably connected to the inner wall of the inflation tube 9, the size of the piston 10 is larger than that of the inner thread groove 7, a piston rod 11 is fixedly connected to the upper end surface of the piston 10, the mounting nut 8 is rotated, the mounting nut 8 moves downwards, the mounting nut 8 drives the piston rod 11 to move downwards, and the piston rod 11 extrudes air in the inflation tube 9 and injects the air into the air bag 14.

The inner wall of first connecting pipe 4 is equipped with two and accomodates groove 13, it all is equipped with sealing mechanism in groove 13 to accomodate for two, sealing mechanism is including setting up gasbag 14 in accomodating groove 13, the other end of hose 12 runs through gasbag 14 and rather than fixed connection, gasbag 14 takes place the inflation, so can wrap up the lateral wall of second connecting pipe 5, under the stronger characteristic of its deformability, can carve the sealed of degree of contact height to the lateral wall of second connecting pipe 5, it is sealed effectual, the emergence of the weeping condition has been avoided.

Two mounting grooves 15 are arranged in the first connecting pipe 4, a reinforcing mechanism is arranged between the two mounting grooves 15 and the side wall of the second connecting pipe 5, the reinforcing mechanism comprises a limiting rod 16 connected in the mounting grooves 15 in a sliding manner, the upper end surface of the limiting rod 16 is an arc-shaped surface, the limiting rod 16 is connected with the inner wall of the mounting groove 15 through two springs 17, the side wall of the second connecting pipe 5 is provided with a limiting groove 18, the limiting rod 16 extends into the limiting groove 18, the side wall of the limiting rod 16 is fixedly connected with a pull rope 19, the pull rope 19 penetrates through the side wall of the first connecting pipe 4 and is connected with the side wall in a sliding manner, when the first connecting pipe 4 and the second connecting pipe 5 need to be mounted, the second connecting pipe 5 is inserted into the first connecting pipe 4, when the limiting rod 16 is opposite to the limiting groove 18, under the elastic force of the springs 17, the limiting rod 16 extends into the limiting groove 18, and whether the position of the second connecting pipe 5 is, meanwhile, under the action of the limiting rod 16, the second connecting pipe 5 can be limited, so that the second connecting pipe is not easy to rotate, and abrasion is avoided.

The utility model discloses its functional principle is explained to following mode of operation of accessible:

the utility model discloses in, when needs are installed first connecting pipe 4 and second connecting pipe 5, insert second connecting pipe 5 in first connecting pipe 4, when gag lever post 16 with spacing groove 18 relative time, under spring 17's spring action, gag lever post 16 extends to spacing groove 18 in, can judge whether second connecting pipe 5 positions are correct after hearing "the sound of" clicking ", simultaneously under gag lever post 16's effect, can carry on spacingly to second connecting pipe 5, make it be difficult for taking place to rotate, avoid causing wearing and tearing.

Subsequently, rotating mounting nut 8, mounting nut 8 moves down, and mounting nut 8 drives piston rod 11 and moves down, and piston rod 11 extrudees the air in gas tube 9, pours it into gasbag 14 into, and gasbag 14 takes place the inflation, so can wrap up the lateral wall of second connecting pipe 5, under the stronger characteristic of its deformability, can carve the sealed of degree of closure height to the lateral wall of second connecting pipe 5, and is sealed effectual, has avoided the emergence of the weeping condition.

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. The sealing device for the chemical pump comprises a base (1) and is characterized in that a motor (2) is arranged on the upper end face of the base (1), a pump body (3) is arranged at the power end of the motor (2), two first connecting pipes (4) are arranged on the side wall of the pump body (3), two second connecting pipes (5) are arranged at the other ends of the first connecting pipes (4), two inner thread grooves (7) are jointly arranged between the first connecting pipes (4) and the second connecting pipes (5), mounting nuts (8) are evenly and threadedly connected in the two inner thread grooves (7), two inflation pipes (9) are fixedly connected to the side wall of the first connecting pipe (4), an inflation mechanism is arranged between each inflation pipe (9) and the corresponding mounting nut (8), two accommodating grooves (13) are arranged on the inner wall of the first connecting pipe (4), two all be equipped with sealing mechanism in accomodating groove (13), two are equipped with mounting groove (15) in first connecting pipe (4), two all be equipped with reinforcing mechanism between the lateral wall of mounting groove (15) and second connecting pipe (5).

2. The chemical pump sealing device according to claim 1, wherein the inflation mechanism comprises a piston (10) slidably connected to the inner wall of the inflation tube (9), a piston rod (11) is fixedly connected to the upper end surface of the piston (10), and a hose (12) fixedly connected to the inflation tube (9) penetrates through the side wall of the inflation tube.

3. The chemical pump sealing device according to claim 2, wherein the sealing mechanism comprises an air bag (14) arranged in the receiving groove (13), and the other end of the hose (12) penetrates through the air bag (14) and is fixedly connected with the air bag.

4. The chemical pump sealing device according to claim 1, wherein the reinforcing mechanism comprises a limiting rod (16) slidably connected in the mounting groove (15), the limiting rod (16) is connected with the inner wall of the mounting groove (15) through two springs (17), a limiting groove (18) is formed in the side wall of the second connecting pipe (5), the limiting rod (16) extends into the limiting groove (18), a pull rope (19) is fixedly connected to the side wall of the limiting rod (16), and the pull rope (19) penetrates through the side wall of the first connecting pipe (4) and is slidably connected with the side wall.

5. The chemical pump sealing device according to claim 4, wherein the upper end surface of the limiting rod (16) is an arc-shaped surface.

6. A chemical pump seal according to claim 2, characterized in that the size of the piston (10) is larger than the size of the internally threaded groove (7).