CN202266474U - Self-priming water pump and bottom cover thereof - Google Patents

Self-priming water pump and bottom cover thereof Download PDF

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Publication number
CN202266474U
CN202266474U CN 201120357991 CN201120357991U CN202266474U CN 202266474 U CN202266474 U CN 202266474U CN 201120357991 CN201120357991 CN 201120357991 CN 201120357991 U CN201120357991 U CN 201120357991U CN 202266474 U CN202266474 U CN 202266474U
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CN
China
Prior art keywords
self prime
prime pump
self
pump
water seal
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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.)
Expired - Fee Related
Application number
CN 201120357991
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Chinese (zh)
Inventor
刘大明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Hwasdan Machinery Manufacturing Co Ltd
Original Assignee
Chongqing Hwasdan Machinery Manufacturing Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chongqing Hwasdan Machinery Manufacturing Co Ltd filed Critical Chongqing Hwasdan Machinery Manufacturing Co Ltd
Priority to CN 201120357991 priority Critical patent/CN202266474U/en
Application granted granted Critical
Publication of CN202266474U publication Critical patent/CN202266474U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model provides a bottom cover of a self-priming water pump. Two sides of the bottom cover are connected with a body (1) of the self-priming water pump and an engine respectively, the bottom cover (4) of the self-priming water pump is provided with a power shaft mounting hole, and the power shaft mounting hole is divided into a bearing mounting section (41), an oil seal mounting section (42) and a water seal mounting section (43) sequentially from the side close to the engine to the side close to an impeller (3) of the body (1). The bottom cover of the self-priming water pump and a cover of the engine are combined into an integral part, so that the integral size of the self-priming water pump and the engine is reduced, materials are saved, and manufacturing cost of the self-priming water pump is reduced further. The utility model further provides a self-priming water pump with the bottom cover.

Description

A kind of self prime pump and bottom thereof
Technical field
The utility model relates to water pump manufacturing technology field, more particularly, relates to a kind of self prime pump and bottom thereof.
Background technique
Along with the continuous development of modern industry, the lifting of water is more and more important for commercial production, and is therefore more and more, also increasingly high to the requirement of water pump quality simultaneously for the demand of water pump.
Self prime pump is a kind of of water pump; It is simple in structure, convenient operating maintenance, operate steadily, flow is big, efficient is high, be convenient to regulate; Stronger suction capacity is arranged, be applicable to industries such as agricultural, gardens, papermaking, weaving, food, chemical industry, using scope is wider.But self prime pump must be assemblied on the power engine in use, otherwise self prime pump can not be worked.
At present, self prime pump bottom on the market and power engine case lid are split type, and promptly self prime pump and power engine are distinct; When using self prime pump; Need the two be assembled connection, make that so the whole volume ratio of self prime pump and power engine is bigger, cause the two occupation space bigger; Waste material has simultaneously finally increased the manufacture cost of self prime pump.
Therefore, how a kind of self prime pump bottom being provided, to reduce the whole volume of self prime pump and power engine, saving material, and then reduce the manufacture cost of self prime pump, is present those skilled in the art's problem demanding prompt solution.
The model utility content
In view of this, the utility model provides a kind of self prime pump and bottom thereof, has reduced the whole volume of self prime pump and power engine, saves material, and then has reduced the manufacture cost of self prime pump.
In order to achieve the above object, the utility model provides following technological scheme:
A kind of self prime pump bottom, its both sides link to each other with power engine with the pump housing of self prime pump respectively; This self prime pump bottom is provided with the line shaft mounting hole, and this line shaft mounting hole is from being divided into Bearing Installation section, oil sealing construction section and water seal construction section successively near a side of said power engine to the side near the impeller of the said pump housing.
Preferably, above-mentioned self prime pump bottom also is provided with an end and communicates the vent of the other end and atmosphere with space between said water seal and the oil sealing on it.
Preferably, in the above-mentioned self prime pump bottom, an end of said vent and atmosphere passes from the bottom of said self prime pump bottom.
Preferably, in the above-mentioned self prime pump bottom, an end of said vent and atmosphere is to the lopsidedness of said self prime pump bottom near said power engine.
Based on the above-mentioned a kind of self prime pump bottom that provides, the utility model also provides a kind of self prime pump, comprises the pump housing and the bottom that cooperates with the said pump housing, and said bottom is above-mentioned any described self prime pump bottom; The water seal of this self prime pump, oil sealing and bearing are separately positioned in water seal construction section, oil sealing construction section and the Bearing Installation section of said line shaft mounting hole.
Preferably, in the above-mentioned self prime pump, said water seal is the teflon water seal.
The self prime pump bottom that the utility model provides is provided with the line shaft mounting hole, and this line shaft mounting hole is from being divided into Bearing Installation section, oil sealing construction section and water seal construction section successively near a side of power engine to the side near the impeller of the pump housing.This self prime pump bottom makes that the line shaft of power engine is directly coupled, and promptly the self prime pump bottom also becomes the case lid of power engine, has realized self prime pump bottom and power engine case lid are united two into one, and makes the two become an one-piece parts; This self prime pump bottom is provided with water seal construction section and the oil sealing construction section that water seal and oil sealing are installed simultaneously, but has guaranteed the line shaft proper functioning.Therefore, this self prime pump bottom has reduced self prime pump and the whole volume of power engine, has saved material, and then has reduced the manufacture cost of self prime pump.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the self prime pump that Fig. 1 provides for the utility model embodiment;
The structural representation of the self prime pump bottom that Fig. 2 provides for the utility model embodiment.
Among last Fig. 1-Fig. 2:
The pump housing 1, spiral case 2, impeller 3, bottom 4, water seal 5, oil sealing 6, bearing 7, Bearing Installation section 41, oil sealing construction section 42, water seal construction section 43, vent 44.
Embodiment
The utility model provides a kind of self prime pump bottom; Realized self prime pump bottom and power engine case lid are united two into one, made the two become an one-piece parts, reduced the whole volume of self prime pump and power engine; Save material, and then reduced the manufacture cost of self prime pump.
To combine the accompanying drawing among the utility model embodiment below, the technological scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment who is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Please refer to accompanying drawing 1-2, the structural representation of the self prime pump that Fig. 1 provides for the utility model embodiment; The structural representation of the self prime pump bottom that Fig. 2 provides for the utility model embodiment.
The self prime pump bottom that the utility model embodiment provides, its both sides link to each other with power engine with the pump housing 1 of self prime pump respectively; This self prime pump bottom 4 is provided with the line shaft mounting hole, and this line shaft mounting hole is from being divided into Bearing Installation section 41, oil sealing construction section 42 and water seal construction section 43 successively near a side of said power engine to the side near the impeller 3 of the said pump housing 1.
The self prime pump bottom that the utility model embodiment provides is provided with the line shaft mounting hole, and this line shaft mounting hole is from being divided into Bearing Installation section, oil sealing construction section and water seal construction section successively near a side of power engine to the side near the impeller of the pump housing.This self prime pump bottom makes that the line shaft of power engine is directly coupled, and promptly the self prime pump bottom also becomes the case lid of power engine, has realized self prime pump bottom and power engine case lid are united two into one, and makes the two become an one-piece parts; This self prime pump bottom is provided with water seal construction section and the oil sealing construction section that water seal and oil sealing are installed simultaneously, but has guaranteed the line shaft proper functioning.Therefore, this self prime pump bottom has reduced self prime pump and the whole volume of power engine, has saved material, and then has reduced the manufacture cost of self prime pump.
Simultaneously; The self prime pump bottom that the foregoing description provides has been realized self prime pump bottom and power engine case lid are united two into one, and makes the two become an one-piece parts; Reduce the assembling and the manufacturing procedure of self prime pump and power engine, finally improved the manufacturing efficient of self prime pump.
In order further to optimize technique scheme, the self prime pump bottom that the foregoing description provides also is provided with an end and communicates the vent 44 of the other end and atmosphere with space between said water seal and the oil sealing.When self prime pump moves; Can exist between water seal 5 and the oil sealing 6 greater than atmospheric pressure; Vent 44 can reduce the pressure between water seal 5 and the oil sealing 6, makes between water seal 5 and the oil sealing 6 to reach normal atmosphere pressure, has avoided the excessive oil sealing 6 that causes of pressure to press to bearing 7; With bearing 7 frictions, make oil sealing 6 leakage of oils.When self prime pump does not move, again can natural inflow, guarantee air pressure balance.
Preferably, in the self prime pump bottom that the foregoing description provides, an end of vent 44 and atmosphere passes from the bottom of said self prime pump bottom, avoids dust and other impurities to get into vent 44, with its obstruction.
Concrete, in the self prime pump bottom that the foregoing description provides, an end of vent 44 and atmosphere is to the lopsidedness of self prime pump bottom near power engine.
The utility model embodiment also provides a kind of self prime pump, comprises the pump housing 1 and the bottom 4 that cooperates with the pump housing 1, and bottom 4 is the self prime pump bottom described in the foregoing description; The water seal 5 of this self prime pump, oil sealing 6 and bearing 7 are separately positioned in water seal construction section 43, oil sealing construction section 42 and the Bearing Installation section 41 of said line shaft mounting hole.
Because the self prime pump that provides of the utility model has the disclosed self prime pump bottom of the foregoing description, so the self prime pump that provides of the utility model has all technique effects of above-mentioned self prime pump bottom concurrently, and this paper repeats no more.
The working procedure of the self prime pump that the foregoing description provides is following:
Impeller 3 high speed rotating make the current direction volute 2 in the impeller conduit behind the starting mode of pump, through circulation repeatedly, gradually the air in the pump housing 1 are drained the formation vacuum, and water is got in the pump housing 1, accomplish the self-priming process, finally reach the effect of drawing water.
Preferably, in the self prime pump that the foregoing description provides, water seal 5 is the teflon water seal, is convenient to prolong the working life of water seal, improves sealing effect.
To the above-mentioned explanation of the disclosed embodiments, make related domain professional and technical personnel can realize or use the utility model.Multiple modification to these embodiments will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation of spirit that does not break away from the utility model or scope in other embodiments among this paper.Therefore, the utility model will can not be restricted to these embodiments shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.

Claims (6)

1. self prime pump bottom, its both sides link to each other with power engine with the pump housing (1) of self prime pump respectively; It is characterized in that,
This self prime pump bottom (4) is provided with the line shaft mounting hole, and this line shaft mounting hole is from being divided into Bearing Installation section (41), oil sealing construction section (42) and water seal construction section (43) successively near a side of said power engine to the side near the impeller (3) of the said pump housing (1).
2. self prime pump bottom according to claim 1 is characterized in that, also is provided with an end on this self prime pump bottom and communicates the vent of the other end and atmosphere (44) with space between said water seal and the oil sealing.
3. self prime pump bottom according to claim 2 is characterized in that, an end of said vent (44) and atmosphere passes from the bottom of said self prime pump bottom.
4. self prime pump bottom according to claim 3 is characterized in that, an end of said vent (44) and atmosphere is to the lopsidedness of said self prime pump bottom near said power engine.
5. a self prime pump comprises the pump housing (1) and the bottom (4) that cooperates with the said pump housing (1), it is characterized in that, said bottom (4) requires any described self prime pump bottom among the 1-4 for aforesaid right; The water seal of this self prime pump (5), oil sealing (6) and bearing (7) are separately positioned in water seal construction section (43), oil sealing construction section (42) and the Bearing Installation section (41) of said line shaft mounting hole.
6. self prime pump according to claim 5 is characterized in that, said water seal (5) is the teflon water seal.
CN 201120357991 2011-09-22 2011-09-22 Self-priming water pump and bottom cover thereof Expired - Fee Related CN202266474U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201120357991 CN202266474U (en) 2011-09-22 2011-09-22 Self-priming water pump and bottom cover thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201120357991 CN202266474U (en) 2011-09-22 2011-09-22 Self-priming water pump and bottom cover thereof

Publications (1)

Publication Number Publication Date
CN202266474U true CN202266474U (en) 2012-06-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201120357991 Expired - Fee Related CN202266474U (en) 2011-09-22 2011-09-22 Self-priming water pump and bottom cover thereof

Country Status (1)

Country Link
CN (1) CN202266474U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102287392A (en) * 2011-09-22 2011-12-21 重庆华世丹机械制造有限公司 Self-suction water pump and bottom cover thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102287392A (en) * 2011-09-22 2011-12-21 重庆华世丹机械制造有限公司 Self-suction water pump and bottom cover thereof

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120606

Termination date: 20170922