CN206257079U - One step single sucking constant pressure fire pump with integral type pump cover - Google Patents
One step single sucking constant pressure fire pump with integral type pump cover Download PDFInfo
- Publication number
- CN206257079U CN206257079U CN201621310525.6U CN201621310525U CN206257079U CN 206257079 U CN206257079 U CN 206257079U CN 201621310525 U CN201621310525 U CN 201621310525U CN 206257079 U CN206257079 U CN 206257079U
- Authority
- CN
- China
- Prior art keywords
- motor
- pump cover
- pump
- impeller
- integral type
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses the one step single sucking constant pressure fire pump with integral type pump cover, including suction chamber, the pump housing, pump cover, impeller, motor and base, described suction chamber, impeller, pump cover, motor is set from left to right, motor has the horizontally disposed motor-shaft extending for stretching out to the left, described impeller is set with the left part of motor-shaft extending, and the left part with motor-shaft extending is connected to a fixed, the pump cover is integral type pump cover, it is made up of pump cover portion and machine sealed cover portion, pump cover portion and machine sealed cover portion are integrally formed to form described integral type pump cover, the suction chamber is connected with pump cover portion by connecting bolt, and the pump housing is also mounted on the connecting bolt, pump cover portion is also connected to a fixed with the casing of motor, the described motor-shaft extending of machine sealed cover portion suit.The fire pump uses integral type pump cover, and not only processing technology is good, additionally it is possible to reduce number of molds, reduces machining processes, is that enterprise brings economic benefit.
Description
Technical field
The utility model is related to a kind of pump, specifically refers to the one step single sucking constant pressure fire pump with integral type pump cover.
Background technology
In water pump industry, typical one step single sucking constant pressure fire pump structure is as shown in figure 1, the one step single sucking constant pressure fire pump
Including suction chamber 1, the pump housing 3, pump cover 4, machine sealed cover 7, impeller 5, motor 6 and base 10, suction chamber 1 and motor 6 are installed in
On base 10, suction chamber 1, impeller 5, pump cover, motor 6 are set from left to right, and motor 6 has the horizontally disposed electricity for stretching out to the left
Arbor stretches 8, and impeller 5 is set with the left part of motor-shaft extending 8, and passes through the fixing phase of impeller nut 2 with the left part of motor-shaft extending 8
Connection, suction chamber 1 is connected with pump cover 4 by connecting bolt 11, and the pump housing 3 is also mounted on the connecting bolt 11, pump cover 4
Casing also with motor 6 is connected to a fixed, the suit motor-shaft extending 8 of machine sealed cover 7, and bolt is passed through between pump cover 4 and machine sealed cover 7
It is connected, suction chamber 1, the pump housing 3, the three's area defined of pump cover 4 collectively form the working chamber 12 of impeller 5.Motor-shaft extending 8 exists
Shaft extension section between impeller 5 and machine sealed cover 7 is also set with mechanical seal 9.
In the fire pump, suction chamber 1, the pump housing 3, pump cover 4 dock the working cavity for being collectively forming impeller 5, impeller 5 vertically
It is set on motor-shaft extending 8, axially position is carried out by the shaft shoulder and impeller nut 2, mechanical seal 9 is installed on motor-shaft extending 8,
Machine sealed cover 7 is sleeved on motor-shaft extending 8, be bolted on pump cover 4 and carry out axially position, motor to mechanical seal 9
Shaft extension 8 is horizontally disposed to be interspersed in machine sealed cover 7, pump cover 4, mechanical seal 9, the center of impeller 5.
In existing one step single sucking constant pressure fire pump, pump cover 4 is single part with machine sealed cover 7, and it is individually processing to be
Form, pump cover 4 is coordinated with machine sealed cover 7 by seam, coordinate seam to be inevitably present error, that is to say, that in pump cover 4
Heart line is out of line from microcosmic upper theory with the center line of machine sealed cover 7, and pump cover and the pump housing are coordinated by seam, matched somebody with somebody
Close seam and inevitably there is also error, the center line of pump housing center line and pump cover is also not on the same axis.Like this,
It is installed on machine sealed cover due to mechanical sealing static ring, circular runout is ensured by machine sealed cover, mechanical seal is in this installation
In structure, because of processing part, such as accumulation position of related features value of the pump housing, pump cover, machine sealed cover can cause the sound of mechanical seal
Ring produces the possibility of deflection when mounted, and during pump operation, dynamic and static ring rubbing surface discontinuity causes some positions too early
Ground abrasion, will ultimately result in mechanical seal friction millet cake abrasion, so as to the failure for causing mechanical seal too early.This phenomenon is in pump
Body, pump cover, machine sealed cover size it is bigger in the case of further protrude because processing dimension is bigger, its position of related features value also heals
Greatly.
Utility model content
The purpose of this utility model is to provide the one step single sucking constant pressure fire pump with integral type pump cover, and the fire pump is used
Integral type pump cover, not only processing technology is good, additionally it is possible to reduce number of molds, reduces machining processes, is that enterprise brings economy
Benefit.
Above-mentioned purpose of the present utility model is achieved through the following technical solutions：One step single sucking constant pressure with integral type pump cover
Fire pump, including suction chamber, the pump housing, pump cover, impeller, motor and base, described suction chamber and motor are installed in the bottom
On seat, described suction chamber, impeller, pump cover, motor are set from left to right, and motor has the horizontally disposed motor for stretching out to the left
Shaft extension, described impeller is set with the left part of motor-shaft extending, and is connected to a fixed with the left part of motor-shaft extending, and its feature exists
In：The pump cover is integral type pump cover, is made up of pump cover portion and machine sealed cover portion, and pump cover portion and machine sealed cover portion are integrally formed shape
Into described integral type pump cover, the suction chamber is connected with pump cover portion by connecting bolt, and the pump housing is also mounted at
On the connecting bolt, pump cover portion is also connected to a fixed with the casing of motor, the described motor-shaft extending of machine sealed cover portion suit, described
Suction chamber, the pump housing, pump cover portion three's area defined collectively form the working chamber of impeller.
One step single sucking constant pressure fire pump of the present utility model sets the machine sealed cover of the pump cover of existing structure and existing structure
One is calculated as, using integral type pump cover, the independent pump cover design before the integrative-structure is compared is designed with independent machine sealed cover, one
It is：Processing technology is good；Two are：Reduce number of molds；Three：Reduce machining processes；For enterprise brings economic benefit.
In the utility model, the pump cover portion is bolted with the casing of motor and is connected.
In the utility model, described impeller is connected to a fixed by impeller nut with the left part of motor-shaft extending, and
Axially position is carried out by the shaft shoulder and impeller nut of motor-shaft extending.
In the utility model, the motor-shaft extending is also set with organic in the shaft extension section between impeller and machine sealed cover portion
Tool is sealed.
In the utility model, the center line of the suction chamber, impeller, integral type pump cover and motor-shaft extending coincides, institute
The center of the interspersed integral type pump cover of motor-shaft extending level, mechanical seal and the impeller stated.
In the utility model, described suction chamber and motor are mounted by means of bolts on the base.
In fire pump of the present utility model, the design of pump cover and machine sealed cover is integrated, pump cover seam, mechanical sealing static ring with
The endoporus that pump cover coordinates is clamped one time and processes, and not only processing technology is good, is easily worked outward, and can guarantee that rationally
Form and position tolerance value, the endoporus radius run-out degree that such as pump cover seam radius run-out degree, mechanical sealing static ring and pump cover coordinate keeps away
Exempt from and eliminate because designing the accumulated error value that single pump cover and two parts of machine sealed cover are produced in processing, greatly drop
Low mechanical seal dynamic and static ring friction pair produces the possibility of deflection after mounting, more conducively pump operationally, mechanical seal sound
The uniformity consistency of ring friction pair.
Compared with prior art, the utility model has the advantages that：
1) in fire pump of the present utility model, pump cover is integrated design with machine sealed cover, makes to ensure form and position tolerance during processing
Value has more rational manufacturability, can reduce the failure too early because of deflection of mechanical seal dynamic and static ring friction pair.
2) in fire pump of the present utility model, pump cover is integrated with the design of machine sealed cover, it is possible to reduce number of molds, reduces
Manufacturing cost.
3) in fire pump of the present utility model, pump cover is integrated with the design of machine sealed cover, advantageously reduces manufacturing procedure, contracts
The short manufacturing cycle, is that enterprise brings considerable economic benefit.
Brief description of the drawings
The utility model is described in further details with reference to the accompanying drawings and detailed description.
Fig. 1 is the overall structure diagram of one step single sucking constant pressure fire pump in the prior art；
Fig. 2 is the overall structure diagram of the utility model one step single sucking constant pressure fire pump.
Description of reference numerals
1st, suction chamber；2nd, impeller nut；3rd, the pump housing；4th, pump cover；5th, impeller；6th, motor；
7th, machine sealed cover；8th, motor-shaft extending；9th, mechanical seal；10th, base；
11st, connecting bolt；12nd, working chamber；131st, pump cover portion；132nd, machine sealed cover portion.
Specific embodiment
The one step single sucking constant pressure fire pump with integral type pump cover as shown in Figure 2, including suction chamber 1, the pump housing 3, pump cover,
Impeller 5, motor 6 and base 10, suction chamber 1 and motor 6 are mounted by means of bolts on base 10, suction chamber 1, impeller 5,
Pump cover, motor 6 are set from left to right, and motor 6 has the horizontally disposed motor-shaft extending 8 for stretching out to the left, the suit motor shaft of impeller 5
8 left part is stretched, and is connected to a fixed with the left part of motor-shaft extending 8.
The pump cover is integral type pump cover, is made up of pump cover portion 131 and machine sealed cover portion 132, pump cover portion 131 and machine sealed cover
Portion 132 is integrally formed to form integral type pump cover, and suction chamber 1 is connected with pump cover portion 131 by connecting bolt 11, and the pump housing 3
It is also mounted on the connecting bolt 11, casing of the pump cover portion 131 also with motor 6 is connected to a fixed, machine sealed cover portion 132 is set with electricity
Arbor stretches 8, and suction chamber 1, the pump housing 3, the three's area defined of pump cover portion 131 collectively form the working chamber 12 of impeller 5.
In the present embodiment, pump cover portion 131 is bolted with the casing of motor 6 and is connected.Impeller 5 passes through impeller nut
2 are connected to a fixed with the left part of motor-shaft extending 8, and the shaft shoulder and impeller nut 2 by motor-shaft extending 8 carry out it is axially fixed
Position.Motor-shaft extending 8 is also set with mechanical seal 9 in the shaft extension section between impeller 5 and machine sealed cover portion 132.
In the present embodiment, the center line of suction chamber 1, impeller 5, integral type pump cover and motor-shaft extending 8 coincides, motor shaft
Stretch the center of the interspersed integral type pump cover of 8 levels, mechanical seal 9 and impeller 5.
The motor 6 of the present embodiment uses Y-series threephase asynchronous, with special shaft extension and standard end cap.
The fire pump of the present embodiment uses integral type pump cover, and not only processing technology is good, additionally it is possible to reduce number of molds, subtracts
Few machining processes, are that enterprise brings economic benefit.
Above-described embodiment of the present utility model is not the restriction to the utility model protection domain, reality of the present utility model
Apply mode not limited to this, all this kind according to the above of the present utility model, according to the ordinary technical knowledge of this area and used
With means, under the premise of the above-mentioned basic fundamental thought of the utility model is not departed from, the utility model said structure is made its
The modification, replacement or change of its diversified forms, all should fall within protection domain of the present utility model.
Claims (5)
1. with integral type pump cover one step single sucking constant pressure fire pump, including suction chamber (1), the pump housing (3), pump cover, impeller (5),
Motor (6) and base (10), described suction chamber (1) and motor (6) are installed on the base (10), described suction chamber
(1), impeller (5), pump cover, motor (6) are set from left to right, and motor (6) is with the horizontally disposed motor-shaft extending for stretching out to the left
(8), the left part of described impeller (5) suit motor-shaft extending (8), and be connected to a fixed with the left part of motor-shaft extending (8),
It is characterized in that：The pump cover is integral type pump cover, is made up of pump cover portion (131) and machine sealed cover portion (132), pump cover portion
(131) and machine sealed cover portion (132) is integrally formed to form described integral type pump cover, the suction chamber (1) and pump cover portion (131)
It is connected by connecting bolt (11), and the pump housing (3) is also mounted on the connecting bolt (11), and pump cover portion (131) are gone back
Casing with motor (6) is connected to a fixed, the described motor-shaft extending (8) of machine sealed cover portion (132) suit, the suction chamber (1),
The pump housing (3), pump cover portion (131) three's area defined collectively form the working chamber (12) of impeller (5).
2. the one step single sucking constant pressure fire pump with integral type pump cover according to claim 1, it is characterised in that：The pump
Cap (131) is bolted with the casing of motor (6) and is connected.
3. the one step single sucking constant pressure fire pump with integral type pump cover according to claim 1, it is characterised in that：Described
Impeller (5) is connected to a fixed by impeller nut (2) with the left part of motor-shaft extending (8), and by the axle of motor-shaft extending (8)
Shoulder and impeller nut (2) carry out axially position.
4. the one step single sucking constant pressure fire pump with integral type pump cover according to claim 1, it is characterised in that：The electricity
Arbor stretches (8) and is also set with mechanical seal (9) in the shaft extension section between impeller (5) and machine sealed cover portion (132).
5. the one step single sucking constant pressure fire pump with integral type pump cover according to claim 1, it is characterised in that：The suction
Enter the room (1), the center line of impeller (5), integral type pump cover and motor-shaft extending (8) coincides, described motor-shaft extending (8) level
The center of interspersed integral type pump cover, mechanical seal (9) and impeller (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621310525.6U CN206257079U (en) | 2016-12-01 | 2016-12-01 | One step single sucking constant pressure fire pump with integral type pump cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621310525.6U CN206257079U (en) | 2016-12-01 | 2016-12-01 | One step single sucking constant pressure fire pump with integral type pump cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206257079U true CN206257079U (en) | 2017-06-16 |
Family
ID=59027161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621310525.6U Active CN206257079U (en) | 2016-12-01 | 2016-12-01 | One step single sucking constant pressure fire pump with integral type pump cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206257079U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106555779A (en) * | 2016-12-01 | 2017-04-05 | 广州市白云泵业集团有限公司 | One step single sucking constant pressure fire pump with integral type pump cover |
-
2016
- 2016-12-01 CN CN201621310525.6U patent/CN206257079U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106555779A (en) * | 2016-12-01 | 2017-04-05 | 广州市白云泵业集团有限公司 | One step single sucking constant pressure fire pump with integral type pump cover |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206257079U (en) | One step single sucking constant pressure fire pump with integral type pump cover | |
| CN205350653U (en) | Automobile flange that numerical control machine tool machining formed | |
| CN201802873U (en) | Lip-shaped sealing ring of rotating shaft | |
| CN203500100U (en) | Negative pressure pressurizing double-level reverse mounting multiform impeller combination petrifaction process pump | |
| CN211540825U (en) | Automatic capstan grinding device of polisher | |
| CN106555779A (en) | One step single sucking constant pressure fire pump with integral type pump cover | |
| CN204082537U (en) | Horizontal boom installs lubrication three screw pump unit | |
| CN203584882U (en) | Padding and mechanical sealing universal double entry pump | |
| CN207776982U (en) | A kind of pump attachment structure of water of water-cooled engine | |
| CN211760178U (en) | Multistage composite sealing device based on rotary table | |
| CN205534223U (en) | Sealing washer of lip string of a hat spring leaf | |
| CN208937314U (en) | A kind of thin-walled lid panel hydraulic pressure test fixture | |
| CN204729244U (en) | Be with the high-pressure plunger pump without oil impregnate vent valve | |
| CN202768419U (en) | Pumping device for circulating water pipe network | |
| CN204985046U (en) | Two end face seal device of single -stage and single -suction centrifugal pump | |
| CN206918104U (en) | A kind of bearing assembly for pallet centrifugal polishing machine | |
| CN206206196U (en) | A kind of motor section of deep well pump | |
| CN103775376B (en) | A kind of No leakage dynamic seal type pipeline mounted pump | |
| CN109211561A (en) | A kind of thin-walled lid panel hydraulic pressure test fixture | |
| CN215830786U (en) | Mechanical sealing device for pump | |
| CN208245412U (en) | A kind of rotatable dust collection cover of steel rolling | |
| CN204200600U (en) | A kind of single-phase or three-phase submersible pump | |
| CN204738970U (en) | Vane pump with corrosion resistant wear resistance | |
| CN205190756U (en) | Sealing washer assembly is used to axle | |
| CN204025669U (en) | A kind of novel sealing structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |