CN205918549U - Plunger pump - Google Patents
Plunger pump Download PDFInfo
- Publication number
- CN205918549U CN205918549U CN201620127415.XU CN201620127415U CN205918549U CN 205918549 U CN205918549 U CN 205918549U CN 201620127415 U CN201620127415 U CN 201620127415U CN 205918549 U CN205918549 U CN 205918549U
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- CN
- China
- Prior art keywords
- plunger
- pump
- guide pillar
- shaft
- core
- Prior art date
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Abstract
The utility model provides a plunger pump, includes upper cover, lower cover, be fixed with the pump body, plunger between upper cover and the lower cover, its characterized in that, the plunger inlay in in the pump body, the guide pillar is installed to the front end of plunger, the guide pillar is connected with the pump shaft, the quantity of plunger is a plurality of, a plurality of plungers with the axle core of pump shaft is the centre of a circle it distributes to be annular array in the radial direction of pump shaft. The beneficial effects are that: through the epaxial design of pump, can be on the pump body a plurality of studios of looping -in, improve the discharge capacity to reduce pump core load, ensure the seal simultaneously, adopt the design of gradient doublestage compression plunger, improve compression efficiency, reduce the energy consumption, the energy can be saved.
Description
Technical field
This utility model is related to mechanical pump field, particularly a kind of plunger displacement pump.
Background technology
Plunger displacement pump is mainly used in engineering machinery it is adaptable in the larger fluid reciprocating motion of flow, be the important component part of hydraulic pressure class machinery.Existing hydraulic pump mostly is double work room plunger displacement pump, lifting rate is little, it is mechanically very painstaking in high power hydraulic to apply, but if simply increasing operating room in quantity, its internal pump core has load problem again, and the structure problem due to plunger displacement pump, its sealing is also not easy to ensure, and existing plunger displacement pump is all single stage compress, compression efficiency is low, and energy consumption is big.
Content of the invention
The purpose of this utility model is to solve the above problems, devising a kind of plunger displacement pump.Specific design scheme is:
A kind of plunger displacement pump, including on lid, lower cover, it is fixed with the pump housing, plunger between described upper lid and lower cover, it is characterized in that, described plunger is embedded in the described pump housing, and the front end of described plunger is provided with guide pillar, described guide pillar is connected with pump shaft, the quantity of described plunger is multiple, the plurality of plunger with the shaft core of described pump shaft as the center of circle, in described pump shaft array distribution annular in shape in the radial direction.
The vertical cross-section of the described pump housing is " e " shape structure, is provided with pump core, the front end of described pump core is inlayed by pump seat and is fixed in the described pump housing in the middle part of the rear side of the described pump housing " e " shape structure, and the rear end of described pump core carries out sealing by pump cover and fixes.
Described plunger includes plug sleeve, plug core, described plug sleeve is slidably connected with described plug core, described plug core can slide along the longitudinal direction, described plug core is fixedly connected with described guide pillar, the front end of described guide pillar is hemispherical dome structure, the left end of described plug sleeve is provided with plunger steel ball, and described plunger steel ball is fixed with described plug sleeve by plunger steel ball spring, plunger steel ball pad.
The middle part of described pump shaft is provided with swash plate, is connected by swash plate bearing between described swash plate and pump shaft, and described swash plate bearing is ball bearing, and the radial section of described swash plate is 15-20 degree along the inclination angle of vertical cross-section.
It is mounted on steel ball on described pump core, pump cover.
Described pump shaft includes input shaft, inclined shaft, universal drive shaft, bearing axle, described input shaft, inclined shaft, universal drive shaft, bearing axle are sequentially connected from front to back, described swash plate is fixed on described universal drive shaft, described swash plate bearing is connected with described universal drive shaft, described input shaft is connected with described lower cover by input shaft bearing, described bearing axle is passed through load bearing and is connected with the described pump housing, and described input shaft bearing, load bearing are ball bearing.
Described plug sleeve is the metal cylinder of three axial series, and three metal cylinder are from left to right axially distributed, and from left to right external diameter increases described three metal cylinder successively, and the left end positioned at middle metal cylinder, the right-hand member positioned at right side metal cylinder are equipped with plunger sealing washer.
The left side of described guide pillar is provided with guide pillar spring, the quantity of described guide pillar spring is two, described two guide pillar springs are in that left and right is distributed, wherein be located at right side guide pillar spring with diameter greater than the guide pillar spring positioned at left side, it is provided with guide pillar steel ball positioned at the right side of the guide pillar spring on right side, described guide pillar spring is fixed in described plug sleeve by filling in core, and described plug core inserts embedding connection with described guide pillar, and described plug core passes through fixing disc spring, piston ring and described plug sleeve
Insert embedding connection.
The plunger displacement pump being obtained by technique scheme of the present utility model, its advantage is:
By the design on pump shaft, annular can be installed by multiple operating rooms on the pump housing, improve discharge capacity, and reduce pump core load, ensure seal simultaneously, using gradient Two-stage Compression plunger design, improve compression efficiency, reducing energy consumption, save energy.
Brief description
Fig. 1 is the structural representation of plunger displacement pump described in the utility model；
Fig. 2 is the structural representation of plunger described in the utility model；
Fig. 3 is the structural representation of pump shaft described in the utility model；
In figure, 1, Shang Gai；2nd, lower cover；3rd, the pump housing；4th, plunger；41st, plunger steel ball；42nd, plunger steel ball spring；43rd, plunger steel ball pad；44th, plunger sealing washer；5th, guide pillar；51st, guide pillar spring；52nd, guide pillar steel ball；53rd, fixing disc spring；54th, piston ring 6, pump shaft；61st, input shaft；62nd, inclined shaft；63rd, universal drive shaft；64th, bearing axle；7th, steel ball；8th, pump core；9th, pump seat；10th, pump cover；11st, load bearing；12nd, plug sleeve；13rd, fill in core；14th, swash plate；15th, swash plate bearing；16th, input shaft bearing.
Specific embodiment
Below in conjunction with the accompanying drawings this utility model is specifically described.
Fig. 1 is the structural representation of plunger displacement pump described in the utility model, as shown in Figure 1, a kind of plunger displacement pump, including on lid 1, lower cover 2, described upper lid 1 and lower cover 2 between be fixed with the pump housing 3, plunger 4, described plunger 4 is embedded in the described pump housing 3, the front end of described plunger 4 is provided with guide pillar 5, and described guide pillar 5 is connected with pump shaft 6, and the quantity of described plunger 4 is multiple, the plurality of plunger 4 with the shaft core of described pump shaft 6 as the center of circle, in described pump shaft 6 array distribution annular in shape in the radial direction.
The vertical cross-section of the described pump housing 3 is " e " shape structure, in the middle part of the rear side of the described pump housing 3 " e " shape structure, pump core 8 is installed, the front end of described pump core 8 is inlayed by pump seat 9 and is fixed in the described pump housing 3, and the rear end of described pump core 8 carries out sealing by pump cover 10 and fixes.
The middle part of described pump shaft 6 is provided with swash plate 14, is connected by swash plate bearing 15 between described swash plate 14 and pump shaft 6, and described swash plate bearing 15 is ball bearing, and the radial section of described swash plate 14 is 15-20 degree along the inclination angle of vertical cross-section.
It is mounted on steel ball 7 on described pump core 8, pump cover 10.
Fig. 2 is the structural representation of plunger described in the utility model, as shown in Figure 2, described plunger 4 includes plug sleeve 12, plug core 13, described plug sleeve 12 is slidably connected with described plug core 13, described plug core 13 can slide along the longitudinal direction, and described plug core 13 is fixedly connected with described guide pillar 5, and the front end of described guide pillar 5 is hemispherical dome structure, the left end of described plug sleeve 12 is provided with plunger steel ball 41, and described plunger steel ball 41 passes through plunger steel ball spring 42, plunger steel ball pad 43 and described plug sleeve 12 to be fixed.
Described plug sleeve 12 is the metal cylinder of three axial series, and three metal cylinder are from left to right axially distributed, and from left to right external diameter increases described three metal cylinder successively, and the left end positioned at middle metal cylinder, the right-hand member positioned at right side metal cylinder are equipped with plunger sealing washer 44.
The left side of described guide pillar 5 is provided with guide pillar spring 51, the quantity of described guide pillar spring 51 is two, described two guide pillar springs 51 are in that left and right is distributed, wherein be located at right side guide pillar spring 51 with diameter greater than the guide pillar spring 51 positioned at left side, it is provided with guide pillar steel ball 52 positioned at the right side of the guide pillar spring 51 on right side, described guide pillar spring 51 passes through plug core 13 and is fixed in described plug sleeve 12, described plug core 13 inserts embedding connection with described guide pillar 5, and described plug core 13 passes through fixing disc spring 53, piston ring 54 inserts embedding connection with described plug sleeve 12.
Fig. 3 is the structural representation of pump shaft described in the utility model, as shown in Figure 3, described pump shaft 6 includes input shaft 61, inclined shaft 62, universal drive shaft 63, bearing axle 64, described input shaft 61, inclined shaft 62, universal drive shaft 63, bearing axle 64 are sequentially connected from front to back, described swash plate 14 is fixed on described universal drive shaft 63, described swash plate bearing 15 is connected with described universal drive shaft 63, described input shaft 61 is connected with described lower cover 2 by input shaft bearing 16, described bearing axle 64 is passed through load bearing 11 and is connected with the described pump housing 3, and described input shaft bearing 16, load bearing 11 are ball bearing.
During use, described input shaft 61 and motor, reductor, shaft coupling etc. are driven substrate to be connected, then starts connected motor, so that input shaft 61 is rotated, so that inclined shaft 62, universal drive shaft 63, bearing axle 64 synchronous axial system.
When described inclined shaft 62 rotates, described swash plate 14 can be driven to rotate, because described swash plate 14 is contacted firmly with guide pillar 5, plunger 4 can be driven to move back and forth by guide pillar 5, now multiple plungers 4 can do in order reciprocating-piston motion, its along with for along input shaft 61 rotation direction replace successively extruding, reset.
Multiple plungers 4 take turns to operate, can ensure that flow, the flow velocity of fluid in pump core 8 can be made uniform again, prevent pressure excessive or Intermittent blockage, extension device service life, simultaneously because flow velocity is uniformly it is also possible to prevent from bearing excessive Fluid pressure at plunger 4, pump core 8, guide pillar 5, cause to leak, ensure seal.
When plunger 4 compresses, during described guide pillar 5 embeds described plunger 4, realize one stage of compression, when plug core 13 embeds described plug sleeve 12, realize two-stage compression, improve compression efficiency.
Technique scheme only embodies the optimal technical scheme of technical solutions of the utility model; some variations that those skilled in the art may make to some of which part all embody principle of the present utility model, belong within protection domain of the present utility model.
Claims (8)
1. a kind of plunger displacement pump, including on cover (1), lower cover (2), it is fixed with the pump housing (3) between described upper lid (1) and lower cover (2), plunger (4), it is characterized in that, described plunger (4) is embedded in the described pump housing (3), the front end of described plunger (4) is provided with guide pillar (5), described guide pillar (5) is connected with pump shaft (6), the quantity of described plunger (4) is multiple, the plurality of plunger (4) is with the shaft core of described pump shaft (6) as the center of circle, in described pump shaft (6) array distribution annular in shape in the radial direction.
2. the plunger displacement pump according to claim 1, it is characterized in that, the vertical cross-section of the described pump housing (3) is " e " shape structure, in the middle part of the rear side of the described pump housing (3) " e " shape structure, pump core (8) is installed, the front end of described pump core (8) is inlayed by pump seat (9) and is fixed in the described pump housing (3), and the rear end of described pump core (8) carries out sealing by pump cover (10) and fixes.
3. the plunger displacement pump according to claim 1, it is characterized in that, described plunger (4) includes plug sleeve (12), plug core (13), described plug sleeve (12) is slidably connected with described plug core (13), described plug core (13) can be slided along the longitudinal direction, described plug core (13) is fixedly connected with described guide pillar (5), the front end of described guide pillar (5) is hemispherical dome structure, the left end of described plug sleeve (12) is provided with plunger steel ball (41), described plunger steel ball (41) passes through plunger steel ball spring (42), plunger steel ball pad (43) is fixing with described plug sleeve (12).
4. the plunger displacement pump according to claim 1, it is characterized in that, the middle part of described pump shaft (6) is provided with swash plate (14), it is connected by swash plate bearing (15) between described swash plate (14) and pump shaft (6), described swash plate bearing (15) is ball bearing, and the radial section of described swash plate (14) is 15-20 degree along the inclination angle of vertical cross-section.
5. the plunger displacement pump according to claim 3, it is characterized in that, described plug sleeve (12) is the metal cylinder of three axial series, three metal cylinder are from left to right axially distributed, from left to right external diameter increases described three metal cylinder successively, and the left end positioned at middle metal cylinder, the right-hand member positioned at right side metal cylinder are equipped with plunger sealing washer (44).
6. the plunger displacement pump according to claim 3, it is characterized in that, the left side of described guide pillar (5) is provided with guide pillar spring (51), the quantity of described guide pillar spring (51) is two, described two guide pillar springs (51) are in that left and right is distributed, wherein be located at right side guide pillar spring (51) with diameter greater than the guide pillar spring (51) positioned at left side, it is provided with guide pillar steel ball (52) positioned at the right side of the guide pillar spring (51) on right side, described guide pillar spring (51) is passed through plug core (13) and is fixed in described plug sleeve (12), described plug core (13) and described guide pillar (5) insert embedding connection, described plug core (13) passes through fixing disc spring (53), piston ring (54) inserts embedding connection with described plug sleeve (12).
7. the plunger displacement pump according to claim 2 is it is characterised in that be mounted on steel ball (7) on described pump core (8), pump cover (10).
8. the plunger displacement pump according to claim 4, it is characterized in that, described pump shaft (6) includes input shaft (61), inclined shaft (62), universal drive shaft (63), bearing axle (64), described input shaft (61), inclined shaft (62), universal drive shaft (63), bearing axle (64) is sequentially connected from front to back, described swash plate (14) is fixed on described universal drive shaft (63), described swash plate bearing (15) is connected with described universal drive shaft (63), described input shaft (61) is connected with described lower cover (2) by input shaft bearing (16), described bearing axle (64) is passed through load bearing (11) and is connected with the described pump housing (3), described input shaft bearing (16), load bearing (11) is ball bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620127415.XU CN205918549U (en) | 2016-02-18 | 2016-02-18 | Plunger pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620127415.XU CN205918549U (en) | 2016-02-18 | 2016-02-18 | Plunger pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205918549U true CN205918549U (en) | 2017-02-01 |
Family
ID=57876033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620127415.XU Expired - Fee Related CN205918549U (en) | 2016-02-18 | 2016-02-18 | Plunger pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205918549U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107091211A (en) * | 2016-02-18 | 2017-08-25 | 阜新航飞液压机电设备有限公司 | Plunger pump |
| CN113431757A (en) * | 2021-06-25 | 2021-09-24 | 江苏可奈力机械制造有限公司 | High-efficiency high-speed microminiature hydraulic pump |
-
2016
- 2016-02-18 CN CN201620127415.XU patent/CN205918549U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107091211A (en) * | 2016-02-18 | 2017-08-25 | 阜新航飞液压机电设备有限公司 | Plunger pump |
| CN113431757A (en) * | 2021-06-25 | 2021-09-24 | 江苏可奈力机械制造有限公司 | High-efficiency high-speed microminiature hydraulic pump |
| CN113431757B (en) * | 2021-06-25 | 2022-02-22 | 江苏可奈力机械制造有限公司 | High-efficiency high-speed microminiature hydraulic pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170201 Termination date: 20170218 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |