CN102953974B - For the self priming pump of jetting machine - Google Patents
For the self priming pump of jetting machine Download PDFInfo
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- CN102953974B CN102953974B CN201110253359.6A CN201110253359A CN102953974B CN 102953974 B CN102953974 B CN 102953974B CN 201110253359 A CN201110253359 A CN 201110253359A CN 102953974 B CN102953974 B CN 102953974B
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Abstract
The present invention relates to a kind of self priming pump for jetting machine, comprise motor, by described motor-driven plunger case and the pump housing being connected with described plunger case, the described pump housing comprises chamber body seat, chamber body and top cover, in described chamber body, be provided with three compression chambers, the top of each described compression chamber is provided with intake antrum and water chamber, described intake antrum is communicated with the water inlet pipe of described top cover, described water chamber is communicated with the outlet pipe of described top cover, the outer wall line of described chamber body is triangle, three each drift angle places, bottom that described compression chamber is distributed in described chamber body; The end face middle part of described chamber body is provided with collect cavity. Self priming pump for jetting machine provided by the invention, compact conformation, equipment process is more simple, convenient; Plunger cylinder good heat dissipation effect; The spool of overflow valve adopts metal material, and valve pocket is plastic material, and the wearability of metal is good, and circularity is high, has improved its sealing and service life.
Description
Technical field
The present invention relates to self priming pump, relate in particular to a kind of self priming pump for jetting machine.
Background technology
Water pump, as the core parts of hydraulic transmission system, designs and development it, is the key point of development Hydraulic Drive Technology. It is several that existing water pump is broadly divided into plunger type, vane type, gear type etc. by structural shape. Wherein the water pump of plunger type is because efficiency is high, and good sealing effect has obtained the research and development of large-scale popularization and new product in actual life. But existing plunger type self priming pump still exists the defects such as pump housing volume is large, radiating effect is poor, and connector cooperation is complicated.
As the patent of invention of China Patent No. CN200610019925.6, the day for announcing is on 01 31st, 2007, a kind of radial valve orificing axial hydraulic pressure plunger pump is disclosed, this radial valve orificing axial hydraulic pressure plunger pump comprises the pump housing, cylinder body and the rear end cap that are linked in sequence, main shaft is arranged on the pump housing by bearing, main shaft lower end is the main shaft disk that becomes certain inclination angle with it, swash plate by and ball bearing between interference fit be fitted on main shaft disk, on the distribution of swash plate circle, be evenly provided with the piston shoes that are flexibly connected with plunger; On the distribution circle of cylinder body, be evenly arranged and the same number of plunger hole of plunger, wherein embedded plunger bushing, plunger and plunger bushing are slidably matched; The ball pivot that the middle shaft position setting of cylinder body is withstood by central spring, ball pivot interlocking return plate, piston shoes are close on swash plate by the effect of return plate; Rear end cap has delivery port and water inlet radially, and rear end cap centre bore is communicated with delivery port, is the cannelure being connected with water inlet around centre bore; Cylinder body circumference radially evenly has installing hole, corresponding with each plunger hole, and is communicated to inferior part of the cylinder block center shrinkage pool; In installing hole each plunger hole under each a flow valve body is installed; Inferior part of the cylinder block center shrinkage pool is communicated with rear end cap centre bore, and the each installing hole of cylinder body is communicated with the cannelure of rear end cap.
Impact the features such as little, noise is low although technique scheme has, reach higher volumetric efficiency simultaneously, reduce because plunger moves back and forth the temperature rise between caused plunger and plunger bushing simultaneously. But there is equally following defect: 1, pump housing volume is larger, use to install to be subject to certain restrictions; 2, plunger case and the pump housing are adopted and are screwed, and assembling is complicated. 3, plunger case outside is without fin, and radiating effect is poor.
Summary of the invention
Technical problem to be solved by this invention is to overcome the deficiency of above-mentioned prior art, and a kind of compact conformation is provided, easy to assembly, good heat dissipation effect, and long service life, for the self priming pump of jetting machine.
The main technical schemes adopting according to the self priming pump for jetting machine provided by the invention is: comprise motor, by described motor-driven plunger case and the pump housing being connected with described plunger case, the described pump housing comprises chamber body seat, chamber body and top cover, in described chamber body, be provided with three compression chambers, the top of each described compression chamber is provided with intake antrum and water chamber, described intake antrum is communicated with the water inlet pipe of described top cover, described water chamber is communicated with the outlet pipe of described top cover, the outer wall line of described chamber body is triangle, three each drift angle places, bottom that described compression chamber is distributed in described chamber body, the end face middle part of described chamber body is provided with collect cavity,
Three described intake antrums are distributed in each drift angle place of described chamber body end face, in described intake antrum, are provided with water feeding one-way valve;
Three described water chambers are positioned at the middle part of described chamber body, and communicate with described collect cavity, in described water chamber, are provided with out water one-way valve, in described collect cavity, are provided with and always go out water one-way valve.
Self priming pump for jetting machine provided by the invention also adopts following attached technical scheme:
Described intake antrum and water chamber be along the direction setting of described compression chamber, and be positioned at the top of described compression chamber.
On described top cover, be provided with point water cavity communicating with described water inlet pipe, described intake antrum communicates with described point of water cavity.
The cross section of described collect cavity is triangle, and three described water chambers are positioned at the triangle drift angle place of described collect cavity, describedly always goes out water one-way valve entirety for triangle, and it packs in described collect cavity.
Water inlet pipe and outlet pipe on described top cover are connected with extension tube attached, and described extension tube attached is connected on described water inlet pipe and outlet pipe by interface arrangment.
The extension tube attached of the water inlet pipe on described top cover is plastics extension tube attached, and the extension tube attached of described outlet pipe is metal extension tube attached, and the interface of described metal extension tube attached and described outlet pipe is provided with plastics clip.
The lateral wall of described plunger case is provided with projective table type fixing hole.
The lateral wall of described plunger case is provided with some fin.
Between described plunger case and described chamber body seat, adopt end face seal.
Between described plunger case and described chamber body seat, be connected by the card article cooperatively interacting.
The SR(spherical radius of the plunger tail in described plunger case) be 10.6-11.3 millimeter.
On described chamber body top cover, be provided with spill valve, in described spill valve, spool is metal material and plastic material composite construction, and valve pocket is plastic material.
The connecting portion of described plunger case and motor is provided with multiple hollow-out parts.
Adopt the beneficial effect bringing for the self priming pump of jetting machine provided by the invention to be: compact conformation, between oil cylinder and pump housing seat, adopt end face seal, equipment process is more simple, convenient; The design of projective table type fixing hole makes shell avoid shrink mark, and outward appearance is more attractive in appearance; The water inlet pipe and water outlet pipe of water pump is connected rapid and convenient with extension tube attached, has locking advantage after installation; Plunger cylinder good heat dissipation effect; Plunger wear is even, has reduced heating, extends bearing life; The spool of overflow valve adopts metal material, and valve pocket is plastic material, and the wearability of metal is good, and circularity is high, has improved its sealing and service life.
Brief description of the drawings
Fig. 1 is the cutaway view of the present invention for the self priming pump of jetting machine.
Fig. 2 is the top view of the present invention for the self priming pump of jetting machine.
Fig. 3 is the STRUCTURE DECOMPOSITION schematic diagram of the present invention for the self priming pump middle pump body of jetting machine.
Fig. 4 is the decomposing schematic representation of the present invention for the self priming pump plunger case of jetting machine.
Fig. 5 is the top view of the present invention for the self priming pump middle chamber body of jetting machine.
Fig. 6 is the upward view of the present invention for the self priming pump middle chamber body of jetting machine.
Fig. 7 is the side view of the present invention for the self priming pump middle chamber body of jetting machine.
Fig. 8 is the upward view of the present invention for the self priming pump plunger case of jetting machine.
Fig. 9 is the top view of the present invention for the self priming pump middle chamber body of jetting machine.
Figure 10 is the top view of the present invention for the self priming pump middle chamber body of jetting machine.
Figure 11 is the top view of the present invention for the self priming pump middle chamber body of jetting machine.
Figure 12 is the top view of the present invention for the self priming pump middle chamber body of jetting machine.
Figure 13 is the top view of the present invention for the self priming pump middle chamber body of jetting machine.
Figure 14 is the top view of the present invention for the self priming pump middle chamber body of jetting machine.
Figure 15 is the top view of the present invention for the self priming pump middle chamber body of jetting machine.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail:
Referring to Fig. 1 to Fig. 4, according to the embodiment of the self priming pump for jetting machine provided by the invention, comprise motor, by described motor-driven plunger case 1 and the pump housing 2 being connected with described plunger case 1, the described pump housing 2 comprises chamber body seat 23, chamber body 21 and top cover 22, in described chamber body 21, be provided with three compression chambers 211, the top of each described compression chamber 211 is provided with intake antrum 212 and water chamber 213, described intake antrum 212 is communicated with the water inlet pipe 221 of described top cover 22, described water chamber 213 is communicated with the outlet pipe 222 of described top cover 22, the outer wall line of described chamber body 21 is triangle (as the A in Fig. 6), three each drift angle places, bottom that described compression chamber 211 is distributed in described chamber body 21, the end face middle part of described chamber body 21 is provided with collect cavity 214, three described intake antrums 212 are distributed in each drift angle place of described chamber body 21 end faces, in described intake antrum 212, are provided with water feeding one-way valve 215, three described water chambers 213 are positioned at the middle part of described chamber body 21, and communicate with described collect cavity 214, in described water chamber 213, are provided with out water one-way valve 216, be provided with and always go out water one-way valve 217 in described collect cavity. in the present invention, the compression chamber 211 in the pump housing 2 adopts compact angular distribution, has changed the shape of chamber body 21, has greatly dwindled the pump housing 2 volumes, this kind of structural change simultaneously the distribution of intake antrum 212 and water chamber 213, improved the pump housing 2 Inlet and outlet water efficiency. described plunger case 1 is technology comparatively ripe in prior art, repeats no more herein.
Referring to Fig. 5 to Fig. 7, according to above-described embodiment provided by the invention, described intake antrum 212 and water chamber 213 be along the direction setting of described compression chamber 211, and be positioned at the top of described compression chamber 211. This design has improved the operating efficiency of compression chamber 211, has shortened water inlet in the pump housing 2 and, to the path of water outlet, has improved the operating efficiency of self priming pump.
Referring to Fig. 3 and Figure 12, according to above-described embodiment provided by the invention, on described top cover 22, be provided with point water cavity 223 communicating with described water inlet pipe 221, described intake antrum 212 communicates with described point of water cavity 223. This structure has ensured the continuity of water inlet, makes the equilibrium of inflow in each compression chamber 211 simultaneously, has stablized water outlet hydraulic pressure.
Referring to Fig. 3 and Fig. 5, according to above-described embodiment provided by the invention, the cross section of described collect cavity 214 is triangle, and three described water chambers 213 are positioned at the triangle drift angle place of described collect cavity 214, described always to go out water one-way valve 217 entirety be triangle, and it packs in described collect cavity 214. This kind of double arrangement goes out the structure of water one-way valve, when making the pump housing 2 compression chamber 21 absorbing water at work, stopped the phenomenon of water outlet suck-back, and water outlet simultaneously can obtain certain buffering effect of catchmenting in collect cavity 214, has improved water outlet hydraulic pressure, has strengthened water yield.
Referring to Figure 12 to Figure 14, according to above-described embodiment provided by the invention, water inlet pipe 221 and outlet pipe 222 on described top cover 22 are connected with extension tube attached, and described extension tube attached is connected on described water inlet pipe 221 and outlet pipe 222 by interface arrangment; The extension tube attached of the water inlet pipe 221 on described top cover 22 is plastics extension tube attached 3, and the extension tube attached of described outlet pipe is metal extension tube attached 4, and described metal extension tube attached 4 is provided with plastics clip 41 with the interface of described outlet pipe 222. Can connect quickly and easily the pump housing 2 using plastics extension tube attached 3 as water inlet pipe, and make top cover 22 not need processing, avoid the generation of aluminium bits, improve product percent of pass and production efficiency, extend the service life of product; The characteristic of plastics water inlet pipe self can change according to the variation of profile water inlet, product diversification; There is clamping the both sides of water inlet pipe simultaneously, band locking functions after installing. The extension tube attached of outlet pipe 222 is metal extension tube attached 4, between 222 mouthfuls of top cover 22 outlet pipes and metal extension tube attached 4, is provided with plastics clip 41, the cushioning effect having when two metalworks are installed; There is clamping plastics clip 41 both sides, band locking functions after installing.
Referring to Fig. 1 and Fig. 4, according to above-described embodiment provided by the invention, the lateral wall of described plunger case 1 is provided with projective table type fixing hole 11. This projective table type fixing hole 11 can be connected to self priming pump on cleaning machine base securely, connects better effects if, more reliable. Avoided shell shrink mark, profile is more attractive in appearance.
Referring to Fig. 4, according to above-described embodiment provided by the invention, the lateral wall of described plunger case 1 is provided with some fin 12. Dwindle the volume of plunger case 1, alleviated the pump housing 2 weight, and good heat dissipation effect.
Referring to Fig. 8 to Figure 11, according to above-described embodiment provided by the invention, between described plunger case 1 and described chamber body seat 23, adopt end face seal; Between described plunger case 1 and described chamber body seat 23, be connected by the card article 231 cooperatively interacting. Adopt the good sealing effect of end face seal, assembling is simple, and qualification rate is high, long service life; Plunger case 1 adopts card article formula technique connected mode with pump housing seat 23 simultaneously, easy to assembly, good manufacturability, and assembly qualified rate is high.
Referring to Fig. 1, according to above-described embodiment provided by the invention, the SR(spherical radius of the plunger tail in described plunger case 1) be 10.6-11.3 millimeter. The rotation of plunger meeting circular motion, makes not have relative motion between plunger and bearing, and plunger wear is even, has reduced heating, has extended bearing life, there is no relative motion, has avoided damage of the bearing.
Referring to Fig. 3 and Figure 15, according to above-described embodiment provided by the invention, on the top cover 22 of the described pump housing 2, be provided with spill valve 224, in described spill valve 224, spool 225 is metal material and plastic material composite construction, valve pocket 226 is plastic material. Spool 225 adopts metalwork, and valve pocket 226 adopts plastic material, and the wearability of metal is good, and circularity is high, coordinates with plastics valve pocket 226 sealing that has improved overflow valve, has extended service life, has improved the volumetric efficiency of pump simultaneously.
Referring to Fig. 4, Fig. 8 and Fig. 9, according to above-described embodiment provided by the invention, described plunger case 1 is provided with multiple hollow-out parts 5 with the connecting portion of motor. The high infraversion malposition of hollow-out parts 5, forms curved surface, has increased intensity, has improved radiating effect, and volume is little, and weight is lighter, has reduced production cost.
Although illustrated and described embodiments of the invention, for the ordinary skill in the art, be appreciated that without departing from the principles and spirit of the present invention and can change these embodiment, scope of the present invention is limited by claims and equivalent thereof.
Claims (10)
1. for a self priming pump for jetting machine, comprise motor, plunger case and with described plungerThe pump housing that cylinder is connected, the described pump housing comprises chamber body seat, chamber body and top cover, described chamber bodyInside be provided with three compression chambers, the top of each described compression chamber is provided with intake antrum and water chamber, described inIntake antrum is communicated with the water inlet pipe of described top cover, and described water chamber is communicated with the outlet pipe of described top cover,It is characterized in that: the outer wall line of described chamber body is triangle, three described compression chambers are distributed inEach drift angle place, bottom of described chamber body; The end face middle part of described chamber body is provided with collect cavity;
Three described intake antrums are distributed in each drift angle place of described chamber body end face, in described intake antrumBe provided with water feeding one-way valve;
Three described water chambers are positioned at the middle part of described chamber body, and communicate with described collect cavity, instituteState in water chamber and be provided with out water one-way valve, in described collect cavity, be provided with and always go out water one-way valve; Described collectionThe cross section of water cavity is triangle, and three described water chambers are positioned at the triangle drift angle place of described collect cavity,Describedly always go out water one-way valve entirety for triangle, it packs in described collect cavity;
Water inlet pipe and outlet pipe on described top cover are connected with extension tube attached, and described extension tube attached is by clampingStructure is connected on described water inlet pipe and outlet pipe; The extension tube attached of the water inlet pipe on described top cover is for mouldingMaterial extension tube attached, the extension tube attached of described outlet pipe is metal extension tube attached, described metal extension tube attached with described inThe interface of outlet pipe is provided with plastics clip.
2. the self priming pump for jetting machine according to claim 1, is characterized in that:Described intake antrum and water chamber be along the direction setting of described compression chamber, and be positioned at the top of described compression chamberPortion.
3. the self priming pump for jetting machine according to claim 1, is characterized in that:On described top cover, be provided with point water cavity, described intake antrum and the described point of water that communicate with described water inlet pipeChamber communicates.
4. the self priming pump for jetting machine according to claim 1, is characterized in that:The lateral wall of described plunger case is provided with projective table type fixing hole.
5. the self priming pump for jetting machine according to claim 1, is characterized in that:The lateral wall of described plunger case is provided with some fin.
6. the self priming pump for jetting machine according to claim 1, is characterized in that:Between described plunger case and described chamber body seat, adopt end face seal.
7. the self priming pump for jetting machine according to claim 6, is characterized in that:Between described plunger case and described chamber body seat, be connected by the card article cooperatively interacting.
8. the self priming pump for jetting machine according to claim 1, is characterized in that:The spherical radius of the plunger tail in described plunger case is 10.6-11.3 millimeter.
9. the self priming pump for jetting machine according to claim 1, is characterized in that:On described chamber body top cover, be provided with spill valve, in described spill valve, spool is metal materialMatter and plastic material composite construction, valve pocket is plastic material.
10. the self priming pump for jetting machine according to claim 1, is characterized in that:The connecting portion of described plunger case and motor is provided with multiple hollow-out parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110253359.6A CN102953974B (en) | 2011-08-31 | 2011-08-31 | For the self priming pump of jetting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110253359.6A CN102953974B (en) | 2011-08-31 | 2011-08-31 | For the self priming pump of jetting machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102953974A CN102953974A (en) | 2013-03-06 |
| CN102953974B true CN102953974B (en) | 2016-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110253359.6A Active CN102953974B (en) | 2011-08-31 | 2011-08-31 | For the self priming pump of jetting machine |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111927727B (en) * | 2020-08-13 | 2022-11-01 | 苏州小科清洁科技有限公司 | Connecting structure of plunger pump body |
| DE102020131796A1 (en) | 2020-12-01 | 2022-06-02 | Alfred Kärcher SE & Co. KG | PISTON PUMP FOR A HIGH PRESSURE CLEANING DEVICE |
Citations (9)
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| DE19548497C1 (en) * | 1995-12-22 | 1997-04-03 | Kaercher Gmbh & Co Alfred | High pressure cleaning equipment |
| DE29616143U1 (en) * | 1996-09-18 | 1998-01-22 | Suttner Gmbh & Co Kg, 33689 Bielefeld | High-pressure cleaning device with a combustion drive motor |
| CN1285898A (en) * | 1998-01-14 | 2001-02-28 | 阿尔弗莱德凯歇尔两合公司 | Piston pump for high-pressure cleaning device |
| DE102005050009A1 (en) * | 2005-10-11 | 2007-04-12 | Alfred Kärcher Gmbh & Co. Kg | High-pressure cleaner |
| CN101135302A (en) * | 2007-09-20 | 2008-03-05 | 胡松海 | Plastic high-pressure plunger pump |
| CN101641165A (en) * | 2007-04-11 | 2010-02-03 | 阿尔弗雷德·凯驰两合公司 | High-pressure cleaning device |
| DE102009049094A1 (en) * | 2009-10-01 | 2011-04-07 | Alfred Kärcher Gmbh & Co. Kg | Pump for a high-pressure cleaning device |
| CN102121466A (en) * | 2011-04-15 | 2011-07-13 | 浙江大农实业有限公司 | Pump head structure of plunger pump |
| CN202301000U (en) * | 2011-08-31 | 2012-07-04 | 宁波蓝达实业有限公司 | Self-sucking pump used in high pressure washer |
-
2011
- 2011-08-31 CN CN201110253359.6A patent/CN102953974B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19548497C1 (en) * | 1995-12-22 | 1997-04-03 | Kaercher Gmbh & Co Alfred | High pressure cleaning equipment |
| DE29616143U1 (en) * | 1996-09-18 | 1998-01-22 | Suttner Gmbh & Co Kg, 33689 Bielefeld | High-pressure cleaning device with a combustion drive motor |
| CN1285898A (en) * | 1998-01-14 | 2001-02-28 | 阿尔弗莱德凯歇尔两合公司 | Piston pump for high-pressure cleaning device |
| DE102005050009A1 (en) * | 2005-10-11 | 2007-04-12 | Alfred Kärcher Gmbh & Co. Kg | High-pressure cleaner |
| CN101641165A (en) * | 2007-04-11 | 2010-02-03 | 阿尔弗雷德·凯驰两合公司 | High-pressure cleaning device |
| CN101135302A (en) * | 2007-09-20 | 2008-03-05 | 胡松海 | Plastic high-pressure plunger pump |
| DE102009049094A1 (en) * | 2009-10-01 | 2011-04-07 | Alfred Kärcher Gmbh & Co. Kg | Pump for a high-pressure cleaning device |
| CN102121466A (en) * | 2011-04-15 | 2011-07-13 | 浙江大农实业有限公司 | Pump head structure of plunger pump |
| CN202301000U (en) * | 2011-08-31 | 2012-07-04 | 宁波蓝达实业有限公司 | Self-sucking pump used in high pressure washer |
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| CN102953974A (en) | 2013-03-06 |
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Effective date of registration: 20161024 Address after: 315400 Zhejiang city of Yuyao Province East Road No. 68 Patentee after: Zhejiang Baoweier Technology Co. Ltd. Address before: 315400, 68, Chengdong Road, Yuyao, Zhejiang, Ningbo Patentee before: Ningbo Land Group Co., Ltd. |