CN202646023U - Novel self-priming water pump - Google Patents
Novel self-priming water pump Download PDFInfo
- Publication number
- CN202646023U CN202646023U CN 201220266601 CN201220266601U CN202646023U CN 202646023 U CN202646023 U CN 202646023U CN 201220266601 CN201220266601 CN 201220266601 CN 201220266601 U CN201220266601 U CN 201220266601U CN 202646023 U CN202646023 U CN 202646023U
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- CN
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- Prior art keywords
- pump
- water
- pump shaft
- water inlet
- self
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- Expired - Fee Related
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 78
- 230000008878 coupling Effects 0.000 claims description 25
- 238000010168 coupling process Methods 0.000 claims description 25
- 238000005859 coupling reaction Methods 0.000 claims description 25
- 229920003266 Leaf® Polymers 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a novel self-priming water pump. The novel self-priming water pump comprises a centrifugal pump body which is provided with a water inlet containing plate (1), a volute (2), a pump shaft (3) and an impeller (4). One end of the water inlet containing plate is provided with a water inlet (5), the other end of the water inlet containing plate is connected and communicated with the volute, the volute is provided with a water outlet (6), a pump shaft seat (7) is fixedly installed inside the volute, the pump shaft seat is connected with the outer wall of the middle section of the pump shaft in a sleeved mode, the impeller is located inside the volute and connected with the pump shaft in an interference mode, and the water inlet containing plate is connected and communicated with a manual vacuum pump (8). Compared with the prior art, the novel self-priming water pump can achieve water pump self-priming, and efficiency of the water pump is not affected. In short, the function of water pump self-priming is achieved through additional arrangement of the manual vacuum pump at a water inlet end of the centrifugal pump body.
Description
Technical field
The utility model relates to a kind of water pump, relates in particular to a kind of self-priming water pump.
Background technique
At present, in domestic water pump industry, the particularly agricultural irrigation industry, self-priming water pump all adopts the external mixture type self-absorbing structure, its efficient is generally all about 30%～45%, such self-priming water pump efficient is lower, be not to be in advanced state, although and common Centrifugal water pump efficient is higher, can't realize self-absorption function.So, in view of the finiteness of resource, be badly in need of a kind ofly can realizing water pump self-suction, do not affect again the self-priming water pump of pump efficiency simultaneously.
The model utility content
In view of this, technical problem to be solved in the utility model is: a kind of self-priming water pump that can realize water pump self-suction, not affect again pump efficiency simultaneously is provided.
In order to achieve the above object, the utility model adopts following technological scheme to realize:
A kind of self-priming water pump, comprise have water inlet coupling plate, the centrifugal pump body of spiral case, pump shaft and impeller, one end of described water inlet coupling plate has water intake, the other end connects and be communicated with described spiral case, has water outlet on the described spiral case, be installed with the pump shaft seat in the described spiral case, described pump shaft cover for seat is connected on the outer wall in described pump shaft stage casing, and described impeller is connected with described pump shaft interference in described spiral case, wherein, described water inlet coupling plate connects and is communicated with hand-operating vacuum-pump.
As preferably, described hand-operating vacuum-pump has cylinder, piston, connecting rod, depression bar and depression bar support, one end of described cylinder has the connecting head that is connected on the described water inlet coupling plate, described connecting head is provided with the bleeder hole that is communicated with described cylinder and water inlet coupling plate, described cylinder is provided with one-way valve in the position of the corresponding described bleeder hole in inside, the other end of described cylinder has opening, described piston is located in the described cylinder, one end of described connecting rod is connected on the described piston, the other end passes described cylinder via described opening and links to each other with an end of described depression bar, and an end of described depression bar support is coupling on the middle section position of described depression bar, the other end is fixed on the described cylinder.
As preferably, be connected with in order to affixed fastening piece each other on described water inlet coupling plate and the described spiral case.
As preferably, described pump shaft seat is the mechanical sealing base that cooperates with described pump shaft.
As preferably, described impeller has wheel disc, described wheel disc is provided with some blades in the card towards described water intake one side, one end of described pump shaft penetrates outside described spiral case in the described spiral case and with described impeller-driven and links to each other, form runner between adjacent two described blades, described water intake and water outlet are communicated with by described runner, described blade comprises linear leaf and short blade, the length of described linear leaf is greater than the length of described short blade, be provided with a described short blade between adjacent two described linear leafs, described linear leaf and short blade are the blade of antecurvature sweepback shape.
As preferably, described impeller has axis hole, described pump shaft insert in the described axis hole and with described impeller bond connected.
As shown from the above technical solution, the beneficial effects of the utility model are:
Compared to existing technology, the utility model can be realized water pump self-suction, not affect again pump efficiency simultaneously, in brief, is to realize the water pump self-suction function by set up hand-operating vacuum-pump in centrifugal pump body inlet end.Particularly, before the centrifugal pump body is opened, press the depression bar of hand-operating vacuum-pump, according to the lever principle drive link, connecting rod links to each other with piston, in cylinder, do and pump, piston stroking upward, volume of cylinder increases, and inner pressure of air cylinder reduces, one-way valve opens is with the air intake cylinder in the water inlet coupling plate; Descent of piston, volume of cylinder reduces, and inner pressure of air cylinder increases, closed check valve, air in the cylinder is discharged in the atmosphere environment, and along with the continuous to-and-fro motion of piston, the degree of vacuum in the water inlet coupling plate constantly increases, thereby water can be sucked in the water inlet coupling plate, at this moment, open the centrifugal pump body, pump shaft is driven by external connection power, impeller links together by key and pump shaft, and the water that vane rotary enters water intake gets rid of into the water outlet water outlet.Furthermore, the utility model is also by being set to the shape of antecurvature sweepback and the structure of establishing the alternate layout of long and short blade of a short blade between adjacent two block length blades to the setting of linear leaf and short blade and by linear leaf and short blade, its efficient is significantly promoted, highly effective, in addition, the utlity model has processability good, to the characteristics such as the process equipment requirement is low, can be widely used in various industrial or agricultural and irrigate in field and the military-civil diesel engine cooling system, applied widely.
Description of drawings
Fig. 1 is the cross section structure schematic representation in the utility model front.
Fig. 2 is the structural representation of the utility model side.
Fig. 3 is the cross section structure schematic representation of hand-operating vacuum-pump side in the utility model.
1, water inlet coupling plate; 2, spiral case;
3, pump shaft; 4, impeller;
5, water intake; 6, water outlet;
7, pump shaft seat; 8, hand-operating vacuum-pump;
9, cylinder; 10, piston;
11, connecting rod; 12, depression bar;
13, depression bar support; 14, connecting head;
15, bleeder hole; 16, one-way valve;
17, opening; 18, fastening piece.
Embodiment
In order to make those skilled in the art can further understand feature of the present utility model and technology contents, see also following about detailed description of the present utility model and accompanying drawing.
See also Fig. 1 to shown in Figure 3, comprise and have water inlet coupling plate 1, spiral case 2, the centrifugal pump body of pump shaft 3 and impeller 4, one end of described water inlet coupling plate has water intake 5, the other end connects and is communicated with described spiral case, has water outlet 6 on the described spiral case, be installed with pump shaft seat 7 in the described spiral case, described pump shaft cover for seat is connected on the outer wall in described pump shaft stage casing, described impeller is connected with described pump shaft interference in described spiral case, it is characterized in that, described water inlet coupling plate connection also is communicated with hand-operating vacuum-pump 8, described hand-operating vacuum-pump has cylinder 9, piston 10, connecting rod 11, depression bar 12 and depression bar support 13, one end of described cylinder has the connecting head 14 that is connected on the described water inlet coupling plate, described connecting head is provided with the bleeder hole 15 that is communicated with described cylinder and water inlet coupling plate, described cylinder is provided with one-way valve 16 in the position of the corresponding described bleeder hole in inside, the other end of described cylinder has opening 17, described piston is located in the described cylinder, one end of described connecting rod is connected on the described piston, the other end passes described cylinder via described opening and links to each other with an end of described depression bar, one end of described depression bar support is coupling on the middle section position of described depression bar, the other end is fixed on the described cylinder, be connected with on described water inlet coupling plate and the described spiral case in order to affixed fastening piece 18 each other, described pump shaft seat is the mechanical sealing base that cooperates with described pump shaft, described impeller has wheel disc, it is not shown that described wheel disc is provided with some blades in the card towards described water intake one side, one end of described pump shaft penetrates outside described spiral case in the described spiral case and with described impeller-driven and links to each other, form runner between adjacent two described blades, described water intake and water outlet are communicated with by described runner, described blade comprises linear leaf and short blade, the length of described linear leaf is greater than the length of described short blade, be provided with a described short blade between adjacent two described linear leafs, described linear leaf and short blade are the blade of antecurvature sweepback shape, it is not shown that described impeller has axis hole, described pump shaft insert in the described axis hole and with described impeller bond connected.
But the above only is better possible embodiments of the present utility model, is not to limit to claim of the present utility model, so the equivalent structure that all utilization the utility model specifications and accompanying drawing content are done changes, all in like manner is included in the scope of the present utility model.
Claims (6)
1. self-priming water pump, the centrifugal pump body that comprises have water inlet coupling plate (1), spiral case (2), pump shaft (3) and impeller (4), one end of described water inlet coupling plate has water intake (5), the other end connects and be communicated with described spiral case, has water outlet (6) on the described spiral case, be installed with pump shaft seat (7) in the described spiral case, described pump shaft cover for seat is connected on the outer wall in described pump shaft stage casing, described impeller is connected with described pump shaft interference in described spiral case, it is characterized in that described water inlet coupling plate connection also is communicated with hand-operating vacuum-pump (8).
2. self-priming water pump as claimed in claim 1, it is characterized in that, described hand-operating vacuum-pump has cylinder (9), piston (10), connecting rod (11), depression bar (12) and depression bar support (13), one end of described cylinder has the connecting head (14) that is connected on the described water inlet coupling plate, described connecting head is provided with the bleeder hole (15) that is communicated with described cylinder and water inlet coupling plate, described cylinder is provided with one-way valve (16) in the position of the corresponding described bleeder hole in inside, the other end of described cylinder has opening (17), described piston is located in the described cylinder, one end of described connecting rod is connected on the described piston, the other end passes described cylinder via described opening and links to each other with an end of described depression bar, and an end of described depression bar support is coupling on the middle section position of described depression bar, the other end is fixed on the described cylinder.
3. self-priming water pump as claimed in claim 2 is characterized in that, is connected with on described water inlet coupling plate and the described spiral case in order to affixed fastening piece (18) each other.
4. self-priming water pump as claimed in claim 3 is characterized in that, described pump shaft seat is the mechanical sealing base that cooperates with described pump shaft.
5. such as each described self-priming water pump in the claim 1 to 4, it is characterized in that, described impeller has wheel disc, described wheel disc is provided with some blades in the card towards described water intake one side, one end of described pump shaft penetrates outside described spiral case in the described spiral case and with described impeller-driven and links to each other, form runner between adjacent two described blades, described water intake and water outlet are communicated with by described runner, described blade comprises linear leaf and short blade, the length of described linear leaf is greater than the length of described short blade, be provided with a described short blade between adjacent two described linear leafs, described linear leaf and short blade are the blade of antecurvature sweepback shape.
6. self-priming water pump as claimed in claim 5 is characterized in that, described impeller has axis hole, described pump shaft insert in the described axis hole and with described impeller bond connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220266601 CN202646023U (en) | 2012-06-07 | 2012-06-07 | Novel self-priming water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220266601 CN202646023U (en) | 2012-06-07 | 2012-06-07 | Novel self-priming water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202646023U true CN202646023U (en) | 2013-01-02 |
Family
ID=47415140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220266601 Expired - Fee Related CN202646023U (en) | 2012-06-07 | 2012-06-07 | Novel self-priming water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202646023U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351205A (en) * | 2015-12-11 | 2016-02-24 | 中国北方发动机研究所(天津) | Novel centrifugal type water pump |
| CN109695575A (en) * | 2019-01-05 | 2019-04-30 | 陈晨 | One kind exempting from liquid feeding type centrifugal pump |
-
2012
- 2012-06-07 CN CN 201220266601 patent/CN202646023U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351205A (en) * | 2015-12-11 | 2016-02-24 | 中国北方发动机研究所(天津) | Novel centrifugal type water pump |
| CN109695575A (en) * | 2019-01-05 | 2019-04-30 | 陈晨 | One kind exempting from liquid feeding type centrifugal pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160324 Address after: 350016, building two, floor 18, Changan Road, 201-203 Fuzhou Road, Mawei District, Fujian province (FTA test area) Patentee after: Fujian Hao Yang Machinery Technology Co., Ltd. Address before: 350001 block A, Fu Palace garden, Gulou District, Fujian, Fuzhou 19B Patentee before: Huang Xiaodong |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130102 Termination date: 20200607 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |