CN208330639U - Three plunger type high-pressure plunger pumps - Google Patents
Three plunger type high-pressure plunger pumps Download PDFInfo
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- CN208330639U CN208330639U CN201820896387.7U CN201820896387U CN208330639U CN 208330639 U CN208330639 U CN 208330639U CN 201820896387 U CN201820896387 U CN 201820896387U CN 208330639 U CN208330639 U CN 208330639U
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- plunger
- hole
- pump housing
- spring
- cam
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Reciprocating Pumps (AREA)
Abstract
The utility model relates to a kind of three plunger type high-pressure plunger pumps, including the pump housing, water inlet, water outlet are respectively equipped on the pump housing, and it is connected to the cavity of the pump housing, for installing the first through hole of plunger device there are three being set on the cavity wall of the pump housing, and three being additionally provided on the cavity wall for installing the second through-hole of check valve assembly, and the first through hole, the second through-hole are located at the same side of cavity wall, the first through hole is arranged on the cavity wall of the pump housing in isosceles triangle mode；The plunger device includes a plunger shelf, plunger, oil cylinder, plunger spring, thrust ball bearing, cam, spring stand, transmission shaft, the a plunger shelf is fixed on the cavity wall of the pump housing, the plunger is provided with three, and it is respectively interposed on three sliding eyes that a plunger shelf is equipped with, and three plungers are each led into three first through hole；The utility model has the advantages that water operation is uniform, flow control is accurate.
Description
Technical field
The utility model belongs to plunger pump technique field more particularly to a kind of three plunger types suitable on jetting machine
High-pressure plunger pump.
Background technique
Jetting machine is the machine for making high-pressure plunger pump generation high pressure water to rinse body surface by power device,
Plunger pump is the important device of distribution cleaning fluid in jetting machine, and existing multipe plunger pump has fluid Discrete control, adjusts
Save advantage with high accuracy, but due to plunger pump finite volume, in plunger arrange the design of unreasonable or plunger device structure
It is unreasonable, can it cause into the uneven of water, and then influence the control precision of flow.
Summary of the invention
The purpose of the utility model is to overcome the shortcomings of the prior art, and provide a kind of water operation uniformly, stream
Amount controls accurate three plunger type high-pressures plunger pump.
The purpose of this utility model is completed by following technical solution, and this three plunger type high-pressures plunger pump includes
The pump housing is respectively equipped with water inlet, water outlet on the pump housing, and is connected to the cavity of the pump housing, sets on the cavity wall of the pump housing
There are three for installing the first through hole of plunger device, and three are additionally provided on the cavity wall for installing the of check valve assembly
Two through-holes, and the first through hole, the second through-hole are located at the same side of cavity wall, the first through hole is in isosceles triangle mode
It is arranged on the cavity wall of the pump housing；The plunger device include a plunger shelf, plunger, oil cylinder, plunger spring, thrust ball bearing,
Cam, spring stand, transmission shaft, a plunger shelf are fixed on the cavity wall of the pump housing, and the plunger is provided with three, and
It is respectively interposed on three sliding eyes that a plunger shelf is equipped with, and three plungers are each led into three first through hole；It is described
Plunger spring be provided with three and be respectively fitted on three plungers, one end of plunger spring limits the sliding eye in a plunger shelf
A side end face on, the other end limit on spring stand, the spring stand and thrust ball bearing are inconsistent, the thrust ball bearing
It is mutually fixed with cam, the plunger spring, spring stand, thrust ball bearing, cam are located in oil cylinder；The cam is fixed on biography
On one end of moving axis, the other end of the transmission shaft is connected with the drive shaft of motor.
Preferably, the end face that is in contact with thrust ball bearing of the cam is curved surface, and the revolution for passing through cam
Drive three plungers reciprocating.
Preferably, the front end of the plunger is equipped with water seal block, and the water seal block is contacted with the hole wall of first through hole；
The rear end of the plunger is mutually fixed with spring stand.
Preferably, the plunger device further includes preceding outside framework oil seal, back skeleton oil sealing, the preceding outside framework oil seal is set
It sets there are three and is respectively fitted in plunger body, which passes through the sliding eye that oil seal collar is stuck in a plunger shelf respectively
Another side end face on；The back skeleton oil sealing sealing is at the front-end port of oil cylinder.
Preferably, the both ends of the transmission shaft are separately installed with bearing, wherein what is be connected with motor driving shaft should
Bearing at end is fixed in limited block, is fastened inside the limited block and oil cylinder；The bearing at the end being connected with cam is solid
It is scheduled in oil cylinder.
Preferably, the endface of the first through hole of the cavity is equipped with guide collar, the guide collar and plunger body
It is nested, and the plunger activity is in guide collar.
Preferably, O-ring seal is installed on the end face that the front end of the oil cylinder is connected with a plunger shelf, oil cylinder
Rear end, which is connected to the motor on the end face connect, is equipped with O-ring seal.
Preferably, the check valve assembly includes unidirectional valve deck, nonreturn valve core, one-way valve seat, the check valve
Core is mounted in one-way valve seat, and is fixed by the limit of unidirectional valve deck, is equipped between the nonreturn valve core and one-way valve seat
Unidirectional spring；The one-way valve seat is fixed in the second through-hole.
The utility model has the following beneficial effects: compared with prior art, using this plunger device and plunger on the pump housing
Distribution, has the advantages that water operation is uniform, flow control is accurate.
Detailed description of the invention
Fig. 1 is the whole configuration schematic diagram of the utility model.
Fig. 2 is the configuration schematic diagram between the pump housing of the utility model and plunger device.
Fig. 3 is the configuration schematic diagram between the pump housing of the utility model and check valve assembly.
Label in attached drawing is respectively as follows: the 1, pump housing；2, plunger device；3, check valve assembly；4, motor；5, water seal block；6,
Bearing；7, limited block；8, guide collar；9, O-ring seal；11, water inlet；12, water outlet；13, cavity；14, first through hole；
15, the second through-hole；20, back skeleton oil sealing；21, a plunger shelf；22, plunger；23, oil cylinder；24, plunger spring；25, thrust ball axis
It holds；26, cam；27, spring stand；28, transmission shaft；29, preceding outside framework oil seal；30, oil seal collar；31, unidirectional valve deck；32, single
To spool；33, one-way valve seat；34, unidirectional spring；21-1, sliding eye.
Specific embodiment
Do detailed introduction to the utility model below in conjunction with attached drawing: as shown in attached drawing 1 to 3, the utility model includes
The pump housing 1 is respectively equipped with water inlet 11, water outlet 12 on the pump housing 1, and is connected to the cavity of the pump housing 1 13, the pump housing 1
For installing the first through hole 14 of plunger device 2 there are three setting on cavity wall, and three are additionally provided on the cavity wall for installing
Second through-hole 15 of check valve assembly 3, and the first through hole 14, the second through-hole 15 are located at the same side of cavity wall, described
One through-hole 14 is arranged on the cavity wall of the pump housing 1 in isosceles triangle mode, this arrangement can make the water in cavity 13 point
With uniform；The plunger device 2 includes a plunger shelf 21, plunger 22, oil cylinder 23, plunger spring 24, thrust ball bearing 25, cam
26, spring stand 27, transmission shaft 28, a plunger shelf 21 are fixed on the cavity wall of the pump housing 1, and the plunger 22 is provided with
Three, and be respectively interposed on three sliding eye 21-1 that a plunger shelf 21 is equipped with, and three plungers 22 each lead into three
In first through hole 14；The plunger spring 24 is provided with three and is respectively fitted on three plungers 22, the one of plunger spring 24
On a side end face of the sliding eye 21-1 in a plunger shelf 21, the other end limits the Spring Card on spring stand 27 for end limit
Seat 27 is inconsistent with thrust ball bearing 25, which fixes with 26 phase of cam, the plunger spring 24, spring stand
27, thrust ball bearing 25, cam 26 are located in oil cylinder 23；The cam 26 is fixed on one end of transmission shaft 28, the transmission
The other end of axis 28 is connected with the drive shaft of motor 4；By the rotation of motor 4, returned by transmission shaft 28 with moving cam 26
Transhipment is dynamic, and three plungers 22 can be reciprocating in the first through hole 14 of cavity 13 at this time, thus the pressurization to realize the pump housing
Process.
The end face that the cam 26 is in contact with thrust ball bearing 25 is curved surface, and is driven by the revolution of cam 26
Three plungers 22 are reciprocating, so that the flow control in cavity 13 is more accurate and stable.
The front end of the plunger 22 is equipped with water seal block 5, and the water seal block 5 is contacted with the hole wall of first through hole 14, will
Medium in cavity 13 is in sealing state, to realize the pressurization of the pump housing by the thrust of plunger 22；The plunger 22
Rear end fixed with 27 phase of spring stand.
The plunger device 2 further includes preceding outside framework oil seal 29, back skeleton oil sealing 20, and the preceding outside framework oil seal 29 is arranged
There are three and be respectively fitted on 22 ontology of plunger, which is stuck in a plunger shelf 21 by oil seal collar 30 respectively
On another side end face of sliding eye 21-1；The back skeleton oil sealing 20 is sealed at the front-end port of oil cylinder 23；By forward and backward
Outside framework oil seal prevents the medium in plunger device 2 and oil cylinder 23 from leaking, and sealing effect is more preferable.
The both ends of the transmission shaft 28 are separately installed with bearing 6, wherein at the end being connected with 4 drive shaft of motor
Bearing 6 is fixed in limited block 7, is fastened inside the limited block 7 and oil cylinder 23；The bearing 6 at the end being connected with cam 26
It is fixed in oil cylinder 23.
The endface of the first through hole 14 of the cavity 13 is equipped with guide collar 8, the guide collar 8 and 22 ontology phase of plunger
Set, and 22 activity of plunger, in guide collar 8, which makes plunger 22 in first through hole 14 with guiding role.
O-ring seal 9 is installed, after oil cylinder 23 on the end face that the front end of the oil cylinder 23 is connected with a plunger shelf 21
It holds and O-ring seal 9 is installed on the end face being connected with motor 4；Sealing effect is more preferable.
The check valve assembly 3 includes unidirectional valve deck 31, nonreturn valve core 32, one-way valve seat 33, the nonreturn valve core
32 are mounted in one-way valve seat 33, and are fixed by the limit of unidirectional valve deck 31, the nonreturn valve core 32 and one-way valve seat 33 it
Between unidirectional spring 34 is installed；The one-way valve seat 33 is fixed in the second through-hole 15.
The utility model is not limited to above embodiment, makees any variation no matter constituting in its shape or material, all
It is to be designed using structure provided by the utility model, is all a kind of deformation of the utility model, is considered as practical new at this
Within type protection scope.
Claims (8)
1. a kind of three plunger type high-pressure plunger pumps, including the pump housing (1), water inlet (11), water outlet are respectively equipped on the pump housing (1)
(12), it and with the cavity (13) of the pump housing (1) is connected to, it is characterised in that: be used for there are three being set on the cavity wall of the pump housing (1)
The first through hole (14) of plunger device (2) is installed, and is additionally provided with three on the cavity wall for installing the of check valve assembly (3)
Two through-holes (15), and the first through hole (14), the second through-hole (15) are located at the same side of cavity wall, the first through hole (14)
It is arranged in isosceles triangle mode on the cavity wall of the pump housing (1)；The plunger device (2) includes a plunger shelf (21), plunger
(22), oil cylinder (23), plunger spring (24), thrust ball bearing (25), cam (26), spring stand (27), transmission shaft (28), institute
The a plunger shelf (21) stated is fixed on the cavity wall of the pump housing (1), and the plunger (22) is provided with three, and is respectively interposed in column
On three sliding eyes (21-1) that plug frame (21) is equipped with, and three plungers (22) each lead into three first through hole (14)
It is interior；The plunger spring (24) is provided with three and is respectively fitted on three plungers (22), one end limit of plunger spring (24)
On a side end face of the sliding eye (21-1) on a plunger shelf (21), the other end limits the spring on spring stand (27) for position
Deck (27) and thrust ball bearing (25) are inconsistent, which mutually fixes with cam (26), the plunger spring
(24), spring stand (27), thrust ball bearing (25), cam (26) are located in oil cylinder (23)；The cam (26) is fixed on
On one end of transmission shaft (28), the other end of the transmission shaft (28) is connected with the drive shaft of motor (4).
2. three plunger type high-pressures plunger pump according to claim 1, it is characterised in that: the cam (26) and thrust ball
The end face that bearing (25) is in contact is curved surface, and drives three plungers (22) reciprocating by the revolution of cam (26).
3. three plunger type high-pressures plunger pump according to claim 1, it is characterised in that: pacify the front end of the plunger (22)
Equipped with water seal block (5), and the water seal block (5) is contacted with the hole wall of first through hole (14)；The rear end of the plunger (22) and bullet
Spring deck (27) is mutually fixed.
4. three plunger type high-pressures plunger pump according to claim 1, it is characterised in that: the plunger device (2) also wraps
Preceding outside framework oil seal (29), back skeleton oil sealing (20) are included, there are three preceding outside framework oil seal (29) settings and is respectively fitted over plunger
(22) on ontology, which is stuck in the sliding eye (21-1) on a plunger shelf (21) by oil seal collar (30) respectively
Another side end face on；The back skeleton oil sealing (20) is sealed at the front-end port of oil cylinder (23).
5. three plunger type high-pressures plunger pump according to claim 1, it is characterised in that: the both ends of the transmission shaft (28)
Bearing (6) are separately installed with, wherein the bearing (6) at the end being connected with motor (4) drive shaft is fixed on limited block (7)
It is interior, it is fastened inside the limited block (7) and oil cylinder (23)；Bearing (6) at the end being connected with cam (26) is fixed on oil cylinder
(23) in.
6. three plunger type high-pressures plunger pump according to claim 1, it is characterised in that: the first of the cavity (13) is logical
The endface in hole (14) is equipped with guide collar (8), which is nested with plunger (22) ontology, and the plunger (22) activity
On guide collar (8).
7. three plunger type high-pressures plunger pump according to claim 1, it is characterised in that: the front end of the oil cylinder (23) with
It is equipped on the end face that a plunger shelf (21) is connected O-ring seal (9), the end that the rear end of oil cylinder (23) is connected with motor (4)
O-ring seal (9) are installed on face.
8. three plunger type high-pressures plunger pump according to claim 1, it is characterised in that: check valve assembly (3) packet
Unidirectional valve deck (31), nonreturn valve core (32), one-way valve seat (33) are included, the nonreturn valve core (32) is mounted on one-way valve seat (33)
It is interior, and fixed by unidirectional valve deck (31) limit, it is equipped between the nonreturn valve core (32) and one-way valve seat (33) unidirectional
Spring (34)；The one-way valve seat (33) is fixed in the second through-hole (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820896387.7U CN208330639U (en) | 2018-06-11 | 2018-06-11 | Three plunger type high-pressure plunger pumps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820896387.7U CN208330639U (en) | 2018-06-11 | 2018-06-11 | Three plunger type high-pressure plunger pumps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208330639U true CN208330639U (en) | 2019-01-04 |
Family
ID=64773825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820896387.7U Active CN208330639U (en) | 2018-06-11 | 2018-06-11 | Three plunger type high-pressure plunger pumps |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208330639U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110552856A (en) * | 2019-09-16 | 2019-12-10 | 无锡迅元精密科技有限公司 | High-pressure pump |
| CN113552378A (en) * | 2021-07-22 | 2021-10-26 | 中国科学院南海海洋研究所 | Plunger type gating valve and multichannel sample gating and feeding integrated device |
-
2018
- 2018-06-11 CN CN201820896387.7U patent/CN208330639U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110552856A (en) * | 2019-09-16 | 2019-12-10 | 无锡迅元精密科技有限公司 | High-pressure pump |
| CN113552378A (en) * | 2021-07-22 | 2021-10-26 | 中国科学院南海海洋研究所 | Plunger type gating valve and multichannel sample gating and feeding integrated device |
| CN113552378B (en) * | 2021-07-22 | 2023-11-17 | 中国科学院南海海洋研究所 | Plunger type gating valve and multichannel sample gating and sample conveying integrated device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: NINGBO BEIDA HOSE MANUFACTURING CO.,LTD. Assignor: NINGBO FUSLE MECHANICAL MANUFACTURING Co.,Ltd. Contract record no.: X2024980017788 Denomination of utility model: Three plunger high-pressure plunger pump Granted publication date: 20190104 License type: Common License Record date: 20241011 |