CN215830733U

CN215830733U - Corrosion-resistant shielding sleeve of shielding pump

Info

Publication number: CN215830733U
Application number: CN202121512798.XU
Authority: CN
Inventors: 张国强
Original assignee: Daruihong Pump Dalian Co ltd
Current assignee: Daruihong Pump Dalian Co ltd
Priority date: 2021-07-05
Filing date: 2021-07-05
Publication date: 2022-02-15
Anticipated expiration: 2031-07-05

Abstract

The utility model discloses a corrosion-resistant shielding sleeve of a shielding pump, which comprises a bottom plate, wherein a pair of supports are arranged on the upper wall surface of the bottom plate, a pump shell is fixedly arranged on the upper wall surfaces of the supports, a first connecting ring plate is fixedly arranged at one end of the inner wall surface of the pump shell, a second connecting ring plate is fixedly arranged at the other end of the inner wall surface of the pump shell, a stator assembly is fixedly arranged in the middle of the inner wall surface of the pump shell, and a damping protection mechanism is fixedly arranged on the outer wall surface of the shielding sleeve. The utility model relates to the technical field of shield pumps, and the device has a compact structure, realizes the shielding effect on a stator of the shield pump through a shield sleeve, is indirectly connected with a first connecting ring plate and a second connecting ring plate through auxiliary connecting rings at two ends of the shield sleeve, and sequentially connects the first connecting ring plate and the second connecting ring plate, thereby enhancing the connecting strength of the shield sleeve, realizing the shock absorption protection on a protective sleeve through a first shock absorption cylinder and a second shock absorption cylinder, absorbing the shock on the protective sleeve and the shield sleeve and bringing convenience to people.

Description

Corrosion-resistant shielding sleeve of shielding pump

Technical Field

The utility model relates to the technical field of canned motor pumps, in particular to a canned motor pump shielding sleeve with corrosion resistance.

Background

The canned pump is a sealless pump, the pump and the drive motor are sealed in a pressure vessel filled with the pumped medium, the pressure vessel has only static seals, and a set of electric wires provides a rotating magnetic field and drives the rotor. The structure eliminates a rotating shaft sealing device of the traditional centrifugal pump, so that the leakage can be completely avoided.

The utility model discloses a utility model patent for CN212019092U provides a housing and has pump package of this housing, the housing is the plastics material, the housing is axial extension's tubbiness structure, a tip that the pump body was kept away from to the housing is sealed tip, sealed tip be equipped with housing integral type injection moulding's rear bearing, a tip that the housing is close to the pump body is equipped with annular opening, annular opening's opening size is greater than the lateral wall size of housing, annular opening with the combination department of housing is equipped with arc connecting portion, comprises the plastics material, consequently, the housing will produce the eddy current loss of minimum degree, and this high efficiency that will make permanent-magnet machine is further improved, and modified housing mounting structure low in manufacturing cost simultaneously, and the ability of resistance to wear is strong. However, although the device can protect the stator, the protection mechanisms at the two ends of the stator shielding sleeve in the device are simple, and the shielding sleeve is easy to damage.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a corrosion-resistant shielding sleeve of a shielding pump, and solves the problem that protection mechanisms at two ends of a stator shielding sleeve are simple.

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a corrosion-resistant canned motor pump housing, includes the bottom plate the wall is equipped with a pair of support on the bottom plate, and is a pair of wall fixed mounting has the pump case on the support, pump case internal face one end fixed mounting has first connecting ring board, pump case internal face other end fixed mounting has the second connecting ring board, department fixed mounting has stator module in the middle of the pump case internal face, first connecting ring board and be connected with the housing between the second connecting ring board, the housing through a pair of coupling mechanism connect respectively in first connecting plate and second connecting ring board, the outer wall fixed mounting of housing has shock attenuation protection mechanism.

Preferably, the connection mechanism comprises a pair of auxiliary connection rings, the auxiliary connection rings are arranged at two ends of the shielding sleeve respectively, a plurality of connection pins are arranged at two ends of the shielding sleeve, a plurality of first connection ports are formed in the auxiliary connection rings, a plurality of second connection ports are formed in the side wall surfaces of the first connection ring plate and the second connection ring plate, and one side of each connection pin is inserted into the corresponding first connection port and the corresponding second connection port.

Preferably, the shock absorption protection mechanism comprises a pair of protection sleeves, the protection sleeves are arranged on outer wall surfaces at two ends of the shielding sleeve, a pair of first shock absorption cylinders are arranged on an upper wall surface of the bottom plate, first shock absorption support columns are connected in the first shock absorption cylinders in a sliding manner and are connected in the first shock absorption cylinders through first springs, the bottom plate is connected with a top frame through two pairs of support columns, a pair of second shock absorption cylinders are connected on a lower wall surface of the top frame, second shock absorption support columns are connected in the second shock absorption cylinders in a sliding manner and are connected in the second shock absorption cylinders through second springs, a pair of first sliding seats are arranged on a lower wall surface of the pump shell, the first shock absorption cylinders are connected in the first sliding seats in a sliding manner, a pair of second sliding seats are arranged on an upper wall surface of the pump shell, and the second shock absorption cylinders are connected in the second sliding seats in a sliding manner, the upper side and the lower side of the protective sleeve are respectively connected to the first shock absorption supporting column and the second shock absorption supporting column.

Preferably, a connection neck is connected to a side wall surface of the auxiliary connection ring, and a pair of connection necks respectively attach to inner wall surfaces of the first connection ring plate and the second connection ring plate.

Preferably, the connecting pin and the auxiliary connecting ring are connected to the first connecting port by welding.

Preferably, the pair of connecting neck side wall surfaces are welded to the inner wall surfaces of the first connecting ring plate and the second connecting ring plate, respectively.

Preferably, a friction pad is connected to the lower wall surface of the bottom plate.

Advantageous effects

The utility model provides a corrosion-resistant shielding sleeve for a shielding pump, which has the following beneficial effects that the structure of the device is compact, the shielding effect on a stator of the shielding pump is realized through the shielding sleeve, the traditional shielding sleeve is easy to deform due to the simple connection mode and the defect of a protection mechanism, the device is indirectly connected with a first connecting ring plate and a second connecting ring plate through auxiliary connecting rings at two ends of the shielding sleeve and sequentially connected, the connection strength of the shielding sleeve is enhanced, the shielding sleeve is not easy to fall off and leak, the first damping cylinder and the second damping cylinder are used for realizing damping protection on a protective sleeve, so that the vibration on the protective sleeve and the shielding sleeve is absorbed, the structural strength of the shielding sleeve is protected, the service life of the shielding sleeve is prolonged, and convenience is brought to people.

Drawings

FIG. 1 is an internal schematic view of the present invention.

Fig. 2 is a side view schematically showing an auxiliary connection ring according to the present invention.

FIG. 3 is a side view of a second connecting ring plate according to the present invention.

Fig. 4 is a schematic view of the structure of the shielding case of the present invention.

In the figure: 1. a base plate; 2. a support; 3. a pump housing; 4. a first connecting ring plate; 5. a second connecting ring plate; 6. a shielding sleeve; 7. an auxiliary connecting ring; 8. a connecting pin; 9. a first connection port; 10. a second connection port; 11. a protective sleeve; 12. a first cushion cylinder; 13. a first shock strut; 14. a support pillar; 15. a top frame; 16. a second cushion cylinder; 17. a second shock strut; 18. a first sliding seat; 19. a second sliding seat; 20. and a connecting neck.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a corrosion-resistant shielding sleeve for a shielding pump includes a bottom plate 1, a pair of brackets 2 is disposed on an upper wall surface of the bottom plate 1, a pump case 3 is fixedly mounted on an upper wall surface of the pair of brackets 2, a first connecting ring plate 4 is fixedly mounted at one end of an inner wall surface of the pump case 3, a second connecting ring plate 5 is fixedly mounted at the other end of the inner wall surface of the pump case 3, a stator assembly is fixedly mounted in a middle of the inner wall surface of the pump case 3, a shielding sleeve 6 is connected between the first connecting ring plate 4 and the second connecting ring plate 5, the shielding sleeve 6 is respectively connected to the first connecting plate and the second connecting ring plate 5 through a pair of connecting mechanisms, a shock absorption protection mechanism is fixedly mounted on an outer wall surface of the shielding sleeve 6, the connecting mechanism includes a pair of auxiliary connecting rings 7, the pair of auxiliary connecting rings 7 are respectively disposed at two ends of the shielding sleeve 6, the two ends of the shielding sleeve 6 are provided with a plurality of connecting pins 8, the auxiliary connecting ring 7 is provided with a plurality of first connecting ports 9, one side wall surface of the first connecting ring plate 4 and one side wall surface of the second connecting ring plate 5 is provided with a plurality of second connecting ports 10, one side of each connecting pin 8 is inserted into the corresponding first connecting port 9 and the corresponding second connecting port 10, the damping protection mechanism comprises a pair of protection sleeves 11, the protection sleeves 11 are arranged on the outer wall surfaces of the two ends of the shielding sleeve 6, the upper wall surface of the bottom plate 1 is provided with a pair of first damping cylinders 12, the first damping cylinders 12 are slidably connected with first damping struts 13, the first damping struts 13 are connected into the first damping cylinders 12 through first springs, the bottom plate 1 is connected with a top frame 15 through two pairs of supporting columns 14, the lower wall surface of the top frame 15 is connected with a pair of second damping cylinders 16, the second damping cylinders 16 are slidably connected with second damping struts 17, the second damping strut 17 is connected to the second damping cylinder 16 through a second spring, the lower wall surface of the pump housing 3 is provided with a pair of first sliding seats 18, the first damping cylinder 12 is connected to the first sliding seats 18 in a sliding manner, the upper wall surface of the pump housing 3 is provided with a pair of second sliding seats 19, the second damping cylinder 16 is connected to the second sliding seats 19 in a sliding manner, the upper and lower sides of the protective sleeve 11 are respectively connected to the first damping strut 13 and the second damping strut 17, one side wall surface of the auxiliary connecting ring 7 is connected to a connecting neck 20, the pair of connecting necks 20 are respectively attached to the inner wall surfaces of the first connecting ring plate 4 and the second connecting ring plate 5, the connecting pin 8 and the auxiliary connecting ring 7 are connected to the first connecting port 9 in a welding manner, and the side wall surfaces of the pair of connecting necks 20 are respectively welded to the inner wall surfaces of the first connecting ring plate 4 and the second connecting ring plate 5, the lower wall surface of the bottom plate 1 is connected with a friction pad.

Example (b): when the pump shell is installed, the shielding sleeve 6 with the auxiliary connecting rings 7 welded at two ends is connected with the first connecting ring plate 4 and the second connecting ring plate, the pair of connecting necks 20 is attached to the first connecting ring plate 4 and the second connecting ring plate 5 and welded, the first connecting ring plate 4 and the second connecting ring plate 5 are placed in the pump shell 3 after welding, after installation, when working, liquid inside the shielding sleeve 6 impacts the shielding sleeve 6 during cooling, at the moment, the shielding sleeve 6 transmits energy to the first damping strut 13 and the second damping strut 17 after impact, the structural strength of the shielding sleeve is guaranteed, and convenience is brought to people.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a corrosion-resistant canned motor pump housing, includes bottom plate (1), its characterized in that, the wall is equipped with a pair of support (2) on bottom plate (1), and is a pair of wall fixed mounting has pump case (3) on support (2), pump case (3) internal face one end fixed mounting has first connecting ring board (4), pump case (3) internal face other end fixed mounting has second connecting ring board (5), the fixed mounting of department in the middle of pump case (3) internal face has stator module, first connecting ring board (4) and be connected with housing (6) between second connecting ring board (5), housing (6) through a pair of coupling mechanism connect respectively in first connecting plate and second connecting ring board (5), housing (6) outer wall fixed mounting has shock attenuation protection mechanism.

2. The corrosion-resistant shielding pump shielding case according to claim 1, wherein the connecting mechanism includes a pair of auxiliary connecting rings (7), the pair of auxiliary connecting rings (7) are respectively disposed at two ends of the shielding case (6), a plurality of connecting pins (8) are disposed at two ends of the shielding case (6), a plurality of first connecting ports (9) are formed on the auxiliary connecting rings (7), a plurality of second connecting ports (10) are formed on one side wall surfaces of the first connecting ring plate (4) and the second connecting ring plate (5), and one side of each connecting pin (8) is inserted into the first connecting port (9) and the second connecting port (10).

3. The corrosion-resistant shielding sleeve for the shielding pump according to claim 1, wherein the shock-absorbing protection mechanism comprises a pair of protection sleeves (11), the protection sleeves (11) are arranged on the outer wall surfaces of two ends of the shielding sleeve (6), the upper wall surface of the base plate (1) is provided with a pair of first shock-absorbing cylinders (12), the first shock-absorbing cylinders (12) are connected with first shock-absorbing pillars (13) in a sliding manner, the first shock-absorbing pillars (13) are connected in the first shock-absorbing cylinders (12) through first springs, the base plate (1) is connected with a top frame (15) through two pairs of supporting columns (14), the lower wall surface of the top frame (15) is connected with a pair of second shock-absorbing cylinders (16), the second shock-absorbing cylinders (16) are connected with second shock-absorbing pillars (17) in a sliding manner, and the second shock-absorbing pillars (17) are connected in the second shock-absorbing cylinders (16) through second springs, the damping device is characterized in that a pair of first sliding seats (18) is arranged on the lower wall surface of the pump shell (3), the first damping cylinder (12) is connected in the first sliding seats (18) in a sliding mode, a pair of second sliding seats (19) is arranged on the upper wall surface of the pump shell (3), the second damping cylinder (16) is connected in the second sliding seats (19) in a sliding mode, and the upper side and the lower side of the protective sleeve (11) are connected with the first damping strut (13) and the second damping strut (17) respectively.

4. The corrosion-resistant shielding sheath for shielding pump according to claim 2, wherein a connecting neck (20) is connected to one side wall surface of the auxiliary connecting ring (7), and a pair of the connecting necks (20) are respectively attached to the inner wall surfaces of the first connecting ring plate (4) and the second connecting ring plate (5).

5. A corrosion resistant canned pump casing according to claim 2, wherein the connection pin (8) and the auxiliary connection ring (7) are connected to the first connection port (9) by welding.

6. A corrosion resistant canned pump casing as in claim 4, wherein a pair of side wall surfaces of the connecting neck (20) are welded to the inner wall surfaces of the first and second connection ring plates (4, 5), respectively.

7. A corrosion resistant canned pump casing according to claim 1, wherein a friction pad is attached to the lower wall of the bottom plate (1).