CN214464918U - Mechanical seal vertical multistage pipeline pump with leakage-proof function - Google Patents

Abstract

The utility model relates to a sealing equipment technical field, specifically speaking relates to a mechanical seal's vertical multistage pipeline pump with leak protection function, including upper segment, middle section and hypomere three-section, the hypomere includes shell down, and the shell inboard is provided with the business turn over water section down, and the upper portion of business turn over water section is provided with the bush, and the bush gland is installed to the bottom of bush, and round nut is installed on the upper portion of bush, and the upper segment includes the shell, goes up the shell inboard and is provided with double-layered shell type shaft coupling, and the motor frame is installed in the outside of shell type shaft coupling, installs the motor on the motor frame, and the middle section includes the axle of vertical setting. In this vertical multistage tubing pump of mechanical seal with leak protection function, novel GDL has improved mechanical seal's mounting structure, carries out the external fixation to mechanical seal through the mechanical seal gland to make seal structure not have tension or too loose phenomenon, solved the general phenomenon that the mechanical seal department leaked in the GDL multistage pump, and each position is convenient to be dismantled and the installation, and the later stage of being convenient for is maintained.

Description

Mechanical seal vertical multistage pipeline pump with leakage-proof function

Technical Field

The utility model belongs to the technical field of the sealing device technique and specifically relates to a mechanical seal's vertical multistage tubing pump with leak protection function is related to.

Background

The GD multistage pump is leaked easily in the use mechanical seal department, the reason is mostly the condition that mechanical seal damaged or sealed face interval caused greatly, cause above-mentioned reason mostly to be the multistage pump stator height and have the error, the progression is more, the error accumulation is also many to the sealed face that causes mechanical seal has tension or too loose phenomenon, cause GDL multistage pump the reason that leaks to appear, and the device is inconvenient to be installed and dismantle, the later stage maintenance of being not convenient for.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mechanical seal's vertical multistage tubing pump with leak protection function to solve the problem that proposes among the above-mentioned background art.

In order to achieve the purpose, the utility model provides a mechanical seal vertical multistage pipeline pump with leakage-proof function, which comprises an upper section, a middle section and a lower section, wherein the lower section comprises a lower shell, a water inlet and outlet section is arranged at the inner side of the lower shell, a bushing is arranged at the upper part of the water inlet and outlet section, a bushing gland is arranged at the bottom of the bushing, a round nut is arranged at the upper part of the bushing, the upper section comprises an upper shell, a shell type coupler is arranged at the inner side of the upper shell, a motor frame is arranged at the outer side of the shell type coupler, a motor is arranged on the motor frame, a middle section comprises a vertically arranged shaft, a plurality of keys are arranged at the outer side of the shaft, a plurality of impeller retainer rings are arranged on the outer wall of the shaft, an impeller is arranged at the outer side of the impeller retainer rings, a support member is arranged at the outer side of the impeller, an outer barrel is sleeved on the outer side of the support member, and a pull rod is arranged between the upper section and the lower section, the top end of the pull rod is connected with the upper shell through a first nut, the top of the middle section is provided with an overflowing section, the outer side of the top of the shaft is provided with a sealing element, the top of the outer barrel is provided with a sealing ring, and the top of the sealing element is provided with a sealing cover.

Preferably, the bushing gland is mounted to a lower portion of the bushing by a screw.

Preferably, a pin is attached to the split coupling.

Preferably, the bottom of the motor is fixed on the motor frame through a bolt and a second nut in a matching mode.

Preferably, a set screw is provided outside one side of the split-type coupling.

Preferably, the top of the shaft is connected to a split-coupling.

Preferably, the mechanical seal gland is fixed on the side wall of the upper shell by an inner hexagon screw.

Compared with the prior art, the beneficial effects of the utility model are that:

in this vertical multistage tubing pump of mechanical seal with leak protection function, novel GDL has improved mechanical seal's mounting structure, changes mechanical seal into just tearing open formula mechanical seal, carries out the external fixation through machine gland to mechanical seal to make seal structure not have tension or too loose phenomenon, solved the general phenomenon that machine seals department leaked in the GDL multistage pump, and each position is convenient to be dismantled and install, and the later stage of being convenient for is maintained.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1;

fig. 3 is a partially enlarged schematic view of the point B in fig. 1 according to the present invention.

The various reference numbers in the figures mean:

1. a water inlet and outlet section; 2. a screw; 3. a bushing gland; 4. a bushing; 5. a round nut; 6. a square screw plug; 7. a shaft; 8. A key; 9. an impeller retainer ring; 10. a support member; 11. an impeller; 12. an outer cylinder; 13. a pull rod; 14. an overcurrent section; 15. a seal member; 16. a seal ring; 17. a first nut; 18. a mechanical seal gland; 19. a socket head cap screw; 20. a split-case coupling; 21. a pin; 22. a motor frame; 23. tightening the screw; 24. a second nut; 25. a bolt; 26. an electric motor.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of 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", "outer", "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 definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The utility model provides a mechanical sealed vertical multistage pipeline pump with leakage-proof function, as shown in figure 1-figure 3, comprising an upper section, a middle section and a lower section, wherein the lower section comprises a lower shell, a water inlet andoutlet section 1 is arranged at the inner side of the lower shell, alining 4 is arranged at the upper part of the water inlet andoutlet section 1, alining gland 3 is arranged at the bottom of thelining 4, around nut 5 is arranged at the upper part of thelining 4, the upper section comprises an upper shell, ashell type coupling 20 is arranged at the inner side of the upper shell, amotor frame 22 is arranged at the outer side of theshell type coupling 20, amotor 26 is arranged on themotor frame 22, the middle section comprises a vertically arrangedshaft 7 which is convenient to rotate, a plurality ofkeys 8 are arranged at the outer side of theshaft 7, a plurality ofimpeller retaining rings 9 are arranged on the outer wall of theshaft 7, animpeller 11 is arranged at the outer side of theimpeller retaining rings 9, asupport member 10 is arranged at the outer side of theimpeller 11, anouter barrel 12 is sleeved on thesupport member 10, the outer side protection device is used for protecting the outer side, apull rod 13 is installed at the outer side of theouter barrel 12 between the upper section and the lower section, the top end of thepull rod 13 is connected with the upper shell through afirst nut 17, the top of the middle section is provided with anoverflowing section 14, the outer side of the top of theshaft 7 is provided with a sealing part 15, the top of theouter barrel 12 is provided with asealing ring 16, and the top of the sealing part 15 is provided with amechanical seal cover 18 for sealing themechanical seal cover 18.

In this embodiment, thebushing gland 3 is mounted on the lower portion of thebushing 4 by thescrew 2, so that thebushing gland 3 can be mounted and fixed conveniently.

Specifically, thepin 21 is installed on thesplit coupling 20, so that thesplit coupling 20 can be fixed conveniently.

Further, the bottom of themotor 26 is fixed on themotor frame 22 through thebolt 25 and thesecond nut 24, so that themotor 26 is fixedly installed.

Furthermore, aset screw 23 is provided outside one side of theshell coupling 20 to fix theshell coupling 20.

Further, the top of theshaft 7 is connected with the shell-type coupling 20, so that the shell-type coupling 20 drives theshaft 7 to rotate.

Further, the mechanicalseal pressing cover 18 is fixed on the side wall of the upper shell through aninner hexagon screw 19, so that the mechanicalseal pressing cover 18 is convenient to detach and mount.

The vertical multistage tubing pump of mechanical seal with leak protection function of this embodiment is when using, at first place the device stably, make its work withmotor 26 switch on power supply after that,motor 26 drives double-layered shell coupling 20 and rotates, and then makeaxle 7 rotate, and then driveimpeller 11 and rotate, thereby make the equipment work, carry out the external fixation to mechanical seal throughmachine gland 18, thereby make seal structure not have tension or too pine phenomenon, guarantee fine sealed west, avoid leaking, after long-time the use, can follow upper end and lower extreme and dismantle the device, in time carry out inside clearance, and make things convenient for later maintenance.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides a mechanical seal's vertical multistage pipeline pump with leak protection function, includes upper segment, middle section and hypomere three-section, its characterized in that: the lower section comprises a lower shell, a water inlet and outlet section (1) is arranged on the inner side of the lower shell, a bushing (4) is arranged on the upper portion of the water inlet and outlet section (1), a bushing gland (3) is installed at the bottom of the bushing (4), a round nut (5) is installed on the upper portion of the bushing (4), an upper section comprises an upper shell, a shell-clamping type coupling (20) is arranged on the inner side of the upper shell, a motor frame (22) is installed on the outer side of the shell-type coupling (20), a motor (26) is installed on the motor frame (22), the middle section comprises a vertically arranged shaft (7), a plurality of keys (8) are arranged on the outer side of the shaft (7), a plurality of impeller check rings (9) are installed on the outer wall of the shaft (7), an impeller (11) is installed on the outer side of the impeller check rings (9), a support piece (10) is installed on the outer side of the impeller (11), an outer barrel body (12) is sleeved on the outer side of the support piece (10), the outer side of the outer cylinder body (12) between the upper section and the lower section is provided with a pull rod (13), the top end of the pull rod (13) is connected with the upper shell through a first nut (17), the top of the middle section is provided with a flow passing section (14), the outer side of the top of the shaft (7) is provided with a sealing element (15), the top of the outer cylinder body (12) is provided with a sealing ring (16), and the top of the sealing element (15) is provided with a sealing cover (18).

2. The mechanically sealed vertical multistage pipe pump with leak-proof function according to claim 1, characterized in that: the bushing gland (3) is installed at the lower part of the bushing (4) through a screw (2).

3. The mechanically sealed vertical multistage pipe pump with leak-proof function according to claim 1, characterized in that: and a pin (21) is arranged on the clamping shell type coupling (20).

4. The mechanically sealed vertical multistage pipe pump with leak-proof function according to claim 1, characterized in that: the bottom of the motor (26) is fixed on the motor frame (22) through a bolt (25) and a second nut (24) in a matching mode.

5. The mechanically sealed vertical multistage pipe pump with leak-proof function according to claim 1, characterized in that: and a set screw (23) is arranged outside one side of the clamping shell type coupling (20).

6. The mechanically sealed vertical multistage pipe pump with leak-proof function according to claim 1, characterized in that: the top of the shaft (7) is connected with a clamping shell type coupling (20).

7. The mechanically sealed vertical multistage pipe pump with leak-proof function according to claim 1, characterized in that: the mechanical seal gland (18) is fixed on the side wall of the upper shell through an inner hexagon screw (19).

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