CN219035021U

CN219035021U - Non-sealing submerged sewage pump

Info

Publication number: CN219035021U
Application number: CN202222997294.2U
Authority: CN
Inventors: 叶志宏
Original assignee: PACIFIC PUMP GROUP CO Ltd
Current assignee: PACIFIC PUMP GROUP CO Ltd
Priority date: 2022-11-04
Filing date: 2022-11-04
Publication date: 2023-05-16
Anticipated expiration: 2032-11-04

Abstract

The utility model relates to the technical field of sealless submerged sewage pumps, in particular to a sealless submerged sewage pump which comprises a pump body and a mounting seat, wherein an upper bracket is arranged on the right side of the top of the mounting seat, a motor is embedded and arranged at the top of the upper bracket, a coupler is arranged at the bottom output end of the motor, a liquid outlet connecting pipe is clamped on the left side of the mounting seat, a liquid inlet is formed in the center of the bottom end of the pump body, a fixed bracket is arranged at the bottom of the pump body and positioned at the outer edge of the liquid inlet, a liquid outlet port is arranged on the left side of the pump body, a top cover is arranged at the top of the pump body, the integral structure is simple, foreign matters are prevented from winding an impeller due to debris breakage before liquid inlet, the motor is guaranteed to drive a pump shaft and the impeller to stably rotate for self-sucking liquid delivery, the efficient sealing use of the pump shaft is convenient for tightly fitting and pressing by a spring support, the sealing part is convenient to detach and replace, the maintenance use is high in stability and practicability, and has a certain popularization value.

Description

Non-sealing submerged sewage pump

Technical Field

The utility model relates to the technical field of non-sealing type submerged sewage pumps, in particular to a non-sealing type submerged sewage pump.

Background

The sealing-free submerged sewage pump is suitable for the industries such as chemical industry, petroleum, pharmacy, mining, paper industry, cement plant, steel mill, power plant and coal processing industry, and the sewage and dirt of industry conveyer belt particles such as municipal sewage treatment plant drainage system, municipal works and construction sites, can also be used for pumping clear water and corrosive medium, and the current sealing-free submerged sewage pump is inconvenient for debris breakage before liquid inlet to prevent foreign matter from winding impeller, can not guarantee that the motor drives pump shaft and impeller stable rotation to self-suction liquid feeding use, is inconvenient for spring support to closely laminate the high-efficient sealing use of compressing tightly and is inconvenient for dismantling and changing sealing part to overhaul and use.

Thus, there is a need for a sealless submersible sewage pump that ameliorates the above-described problems.

Disclosure of Invention

The utility model aims to provide a sealless submerged sewage pump, which solves the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a no sealed submerged sewage pump, includes the pump body and mount pad, the upper bracket is installed on the top right side of mount pad, the top embedding of upper bracket is installed the motor, the shaft coupling is installed to the bottom output of motor, the left side card of mount pad is equipped with out the liquid takeover, the inlet has been seted up in the bottom center department of the pump body, the bottom of the pump body is located the outer edge of inlet and installs the fixed bolster, the left side of the pump body is equipped with out the liquid interface, the top cap is installed at the top of the pump body, the top center department embedding card of top cap has the gland, install support sleeve between the bottom of gland top and mount pad, the top center department of gland is equipped with the bearing, bearing internally mounted has the pump shaft, the bottom of pump shaft runs through the inside of top cap and pump body in proper order and extends to the inside cover of fixed bolster and establishes and installs broken impeller, the periphery of pump shaft and the top and bottom both ends cover that are located broken impeller installs the retaining member, periphery and the inside of top cap from last cover down installs first seal ring, second seal ring and the inside connection in the pump shaft, the inside sleeve of pump shaft and the pump body that runs through.

As a preferable scheme of the utility model, n-type grooves are formed in the periphery of the fixing support.

As a preferable scheme of the utility model, the top cover and the pump body are connected by bolts, and the gland and the top cover are connected by bolts.

As a preferable scheme of the utility model, a threaded connection structure is adopted between the periphery of the bottom end of the pump shaft and the inner wall of the locking piece.

As a preferable scheme of the utility model, the support sleeve is connected with the gland and the mounting seat by bolts.

As a preferable scheme of the utility model, one end of the liquid outlet interface, which is far away from the pump body, is connected with the bottom end of the liquid outlet connecting pipe through bolts.

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

1. according to the utility model, the crushing impeller wheel is arranged in the fixed support through the liquid inlet extending through the pump shaft, so that liquid inlet sundries are crushed conveniently and prevented from being wound around the impeller wheel to be used, the motor is guaranteed to drive the pump shaft and the impeller wheel to stably rotate, liquid is conveniently and circularly moved along with the impeller wheel and is thrown out from the center of the impeller wheel to the periphery under the action of centrifugal force, static pressure energy and dynamic pressure energy are obtained from the impeller wheel, when the liquid flows through the pump body to the liquid outlet port, partial dynamic pressure energy is converted into static pressure energy, when the liquid is thrown out from the impeller wheel, the center part of the impeller wheel causes a low pressure area to form a pressure difference with the pressure of a sucked liquid level, so that the liquid is continuously sucked in and is discharged and used under a certain pressure, the pump shaft is conveniently and fixedly sleeved with the first sealing compression ring, the spring, the second sealing compression ring and the sealing ring at the bottom end of the pump shaft, and the sealing ring are conveniently supported by the spring to be used in a tight fit mode, and the top cover is conveniently and the sealing ring is mounted by bolts, so that parts inside the pump body and the impeller wheel are conveniently detached and replaced, and the impurities before the liquid inlet sundries are conveniently and the crushed and the impurities are stably discharged and used under a certain pressure.

Drawings

FIG. 1 is an overall front view of the present utility model;

FIG. 2 is a schematic diagram of the overall internal structure of the present utility model;

fig. 3 is a schematic diagram of the overall split internal structure of the present utility model.

In the figure: 1. a pump body; 101. a liquid inlet; 102. a fixed bracket; 103. a liquid outlet interface; 2. a top cover; 3. a gland; 301. a bearing; 4. a pump shaft; 5. a first sealing pressure ring; 6. a spring; 7. a second sealing pressure ring; 8. a seal ring; 9. an impeller; 10. breaking the blade wheel; 11. a locking member; 12. a support sleeve; 13. a mounting base; 14. an upper bracket; 15. a motor; 16. a coupling; 17. the liquid outlet is connected.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Several embodiments of the utility model are presented. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-3, the present utility model provides a technical solution:

the sealing-free submerged sewage pump comprises a pump body 1 and a mounting seat 13, wherein an upper bracket 14 is arranged on the right side of the top of the mounting seat 13, a motor 15 is embedded and arranged at the top of the upper bracket 14, a coupler 16 is arranged at the output end of the bottom of the motor 15, a liquid outlet connecting pipe 17 is clamped at the left side of the mounting seat 13, a liquid inlet 101 is arranged at the center of the bottom end of the pump body 1, a fixing bracket 102 is arranged at the bottom of the pump body 1 and positioned at the outer edge of the liquid inlet 101, a liquid outlet 103 is arranged at the left side of the pump body 1, a top cover 2 is arranged at the top of the pump body 1, a gland 3 is embedded and clamped at the center of the top cover 2, a supporting sleeve 12 is arranged between the top of the gland 3 and the bottom end of the mounting seat 13, a bearing 301 is arranged at the center of the top of the gland 3, a pump shaft 4 is arranged in the bearing 301, the bottom of the pump shaft 4 sequentially penetrates through the top cover 2 and the inside of the pump body 1 and extends to the inside of the fixing bracket 102 to be sleeved with a crushing hinge wheel 10, the locking piece 11 is sleeved and installed at the upper end and the lower end of the pump shaft 4, the first sealing compression ring 5, the spring 6, the second sealing compression ring 7 and the sealing ring 8 are sequentially sleeved and installed at the periphery of the pump shaft 4 and located in the pump body 1 from top to bottom, the impeller 9 is installed at the periphery of the pump shaft 4 and located in the pump body 1, the top end of the pump shaft 4 penetrates through the supporting sleeve 12 and is connected to the bottom end of the coupler 16, the whole structure is simple, sundries before liquid feeding are convenient to crush, foreign matters are prevented from winding the impeller, the motor is guaranteed to drive the pump shaft and the impeller to stably rotate to self-feed liquid, the spring is convenient to support, the high-efficiency sealing device is convenient to detach and replace, the maintenance is used, the stability and the practicability are high, and a certain popularization value is achieved.

Referring to fig. 1, 2 and 3, n-type slots are formed around the fixing bracket 102; the top cover 2 is connected with the pump body 1 by bolts, and the gland 3 is connected with the top cover 2 by bolts; a threaded connection structure is adopted between the periphery of the bottom end of the pump shaft 4 and the inner wall of the locking piece 11; the support sleeve 12 is connected with the gland 3 and the mounting seat 13 by bolts; one end of the liquid outlet port 103 far away from the pump body 1 is connected with the bottom end of the liquid outlet connecting pipe 17 through bolts.

Working principle: during the use, run through the broken impeller 10 that inlet 101 extended to the inside setting of fixed bolster 102 through pump shaft 4, be convenient for inlet fluid debris breakage prevents that foreign matter from twining impeller 9 use, thereby guarantee motor 15 drive pump shaft 4 impeller 9 steady rotation, realize liquid and make circular motion along with impeller 9, and throw out from impeller 9 center to periphery under centrifugal force effect, liquid has obtained static pressure energy and dynamic pressure energy from impeller 9 department, when liquid flow pump body 1 to liquid outlet 103, partial dynamic pressure energy turns into static pressure energy, when liquid throws out from impeller 9, impeller 9 central part causes the low pressure zone, with the pressure formation pressure differential of inhaling the liquid level, then the liquid is constantly inhaled, and use with certain pressure discharge, and be convenient for support first sealing washer 5 by spring 6 and the high-efficient sealing use that sealing washer 8 of second sealing washer 7 and bottom pressed tightly are established to the cover 5 in the cover that is located the cover through the pump shaft 4 of setting up, top cap 2 and top cap 2 all adopt the connection installation convenient for, the top cap is convenient for change, the top cap is convenient for install with the top cap 3, the high-efficient sealing use of impeller is realized, high-efficient sealing washer 8 is realized, the top cap 2 is convenient for change and the top cap has high-efficient seal device is convenient for use, high-efficient replacement and high-stability and easy to detach and high-speed maintenance, and high practical maintenance pump shaft has the practical and high-speed and easy to detach and high-stability and high-speed and practical maintenance.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 no sealed submerged sewage pump, includes pump body (1) and mount pad (13), its characterized in that: the utility model discloses a crushing blade, including installing seat (13), upper bracket (14) is installed on the top right side of installing seat (13), motor (15) is installed in the top embedding of upper bracket (14), shaft coupling (16) is installed to the bottom output of motor (15), the left side card of installing seat (13) is equipped with out liquid takeover (17), inlet (101) have been seted up in the bottom center department of pump body (1), fixed bolster (102) are installed to the bottom of pump body (1) and the outer edge that lies in inlet (101), the left side of pump body (1) is equipped with out liquid interface (103), top cap (2) are installed at the top of pump body (1), top cap (2) are embedded in the top center department of top cap (2) to block and are equipped with gland (3), install support sleeve (12) between the top of gland (3) top and the bottom of installing seat (13), top center department of gland (3) is equipped with bearing (301), bearing (301) internally mounted pump shaft (4), the bottom of pump shaft (4) runs through top cap (2) and pump body (1) and is inside and is located the outer edge of inlet (101) and installs impeller (10) in proper order, impeller (10) are installed to impeller (10), the periphery of pump shaft (4) is located top cap (2) and overlaps in proper order from top to bottom and establishes and install first sealed clamping ring (5), spring (6), second sealed clamping ring (7) and sealing washer (8), the periphery of pump shaft (4) is located the inside cover of pump body (1) and establishes and install impeller (9), the top of pump shaft (4) runs through the inside of supporting sleeve (12) and is connected in the bottom of shaft coupling (16).

2. The sealless submerged pump of claim 1, wherein: the periphery of the fixed support (102) is provided with n-type grooves.

3. The sealless submerged pump of claim 1, wherein: the top cover (2) is connected with the pump body (1) through bolts, and the gland (3) is connected with the top cover (2) through bolts.

4. The sealless submerged pump of claim 1, wherein: the periphery of the bottom end of the pump shaft (4) and the inner wall of the locking piece (11) are in threaded connection.

5. The sealless submerged pump of claim 1, wherein: the support sleeve (12) is connected with the gland (3) and the mounting seat (13) through bolts.

6. The sealless submerged pump of claim 1, wherein: one end of the liquid outlet interface (103) far away from the pump body (1) is connected with the bottom end of the liquid outlet connecting pipe (17) through bolts.