CN203515982U - Plunger pump plunger through hole eccentric bearing central-positioned pushing mechanism - Google Patents
Plunger pump plunger through hole eccentric bearing central-positioned pushing mechanism Download PDFInfo
- Publication number
- CN203515982U CN203515982U CN201320600423.8U CN201320600423U CN203515982U CN 203515982 U CN203515982 U CN 203515982U CN 201320600423 U CN201320600423 U CN 201320600423U CN 203515982 U CN203515982 U CN 203515982U
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- plunger
- eccentric shaft
- bearing
- pump
- perforation
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Abstract
The utility model provides a plunger pump plunger through hole eccentric bearing central-positioned pushing mechanism. The plunger pump plunger through hole eccentric bearing central-positioned pushing mechanism comprises a pump, the two sides of the pump are connected with a cylinder, a drainage chamber is installed at the upper end of the cylinder, an intake chamber is installed at the lower end of the cylinder, a plunger is installed in the pump and driven by an eccentric shaft, the eccentric shaft is provided with a balancing weight, a notch and a through hole are formed in the plunger, one end of the eccentric shaft penetrates through the through hole and provided with a first axial bearing, a push-and-pull plunger bearing is installed in the middle of the eccentric shaft, the push-and-pull plunger bearing is matched with the notch, the other end of the eccentric shaft is provided with a second axial bearing and a reduction gear, and the first axial bearing and the second axial bearing are installed inside the pump. According to the scheme, the first axial bearing and the second axial bearing are installed at the two ends of the eccentric shaft respectively, so that the eccentric shaft is installed more stably; the push-and-pull plunger bearing is installed in the middle of the eccentric shaft, so that the plunger moves reliably and stably, the service life of the eccentric shaft is long, the maintenance frequency is lowered, and cost is lowered.
Description
Technical field
The utility model relates to a kind of plungers pump plunger perforation capacity eccentric bearing middle pushing mechanism, is mainly used in atomizing sprayer or washing machine plunger pump.
Background technique
At present, the plunger pump kind that atomizing sprayer is used or washing machine is used is more, wherein a kind of main structure comprises the pump housing, the both sides of the pump housing connect cylinder body, drip chamber is installed in the upper end of cylinder body, the lower end of cylinder body is installed into hydroecium, plunger is installed in the pump housing, plunger is driven by eccentric shaft, eccentric shaft is arranged in the pump housing by two spring bearings, on eccentric shaft, be equipped with reduction gear, on eccentric shaft, be equipped with push-and-pull Plunger bearing, on plunger, be shaped with breach, push-and-pull Plunger bearing is arranged in breach, the shortcoming of this structure is: a spring bearing in two spring bearings is arranged on one end of eccentric shaft, another spring bearing is arranged on the middle part of eccentric shaft, on eccentric shaft between two spring bearings, reduction gear is installed, push-and-pull Plunger bearing is installed on the other end of eccentric shaft, eccentric shaft is installed not steady, wearing and tearing are large, at push-and-pull Plunger bearing, clash in plunger process, easily cause eccentric shaft fracture, working life is short, maintenance, replacing parts trouble.
Summary of the invention
The purpose of this utility model is in order to overcome the shortcoming of prior art, provides a kind of eccentric shaft to install steadily, wear and tear little, and easy-rupturing not, push-and-pull Plunger bearing motion stabilization, the plungers pump plunger perforation capacity eccentric bearing middle pushing mechanism of long service life.
The technological scheme of the utility model plungers pump plunger perforation capacity eccentric bearing middle pushing mechanism is: comprise the pump housing, the both sides of the pump housing connect cylinder body, drip chamber is installed in the upper end of cylinder body, the lower end of cylinder body is installed into hydroecium, plunger is installed in the pump housing, plunger is driven by eccentric shaft, eccentric shaft is provided with balancing weight, it is characterized in that, on described plunger, breach and perforation are set, one of described eccentric shaft through perforation, and in this end, the first spring bearing is installed, push-and-pull Plunger bearing is installed at middle part at eccentric shaft, push-and-pull Plunger bearing matches with breach, the second spring bearing and reduction gear are installed in end, other end at eccentric shaft, the first spring bearing and the second spring bearing are arranged in the pump housing.
The utility model discloses a kind of plungers pump plunger perforation capacity eccentric bearing middle pushing mechanism, breach and perforation are set on described plunger, again push-and-pull Plunger bearing (being capacity eccentric bearing) is arranged on to the middle part of eccentric shaft, push-and-pull Plunger bearing matches with breach, the first spring bearing and the second spring bearing are separately positioned on the two end part of eccentric shaft, eccentric shaft is installed more steady, during work, power drives reduction gear, reduction gear drives eccentric shaft rotation, eccentric shaft drives push-and-pull Plunger bearing to clash into breach wall, make plunger front-rear reciprocation movement, having stable behavior, reliably, the impact force of push-and-pull Plunger bearing is born the middle part at eccentric shaft, eccentric shaft is not easy to wear, fracture, extend eccentric shaft working life, reduce maintenance, reduce costs.
Plungers pump plunger perforation capacity eccentric bearing middle pushing mechanism of the present utility model, described plunger comprises front plunger rod and rear pillar stopper rod, between forward and backward plunger rod, connect plunger slide, described breach and perforation are arranged in plunger slide, plunger is comprised of front plunger rod, rear pillar stopper rod and plunger slide three parts, is convenient to assembling.Two of described plunger slide is shaped with respectively plug, is shaped with groove on plug, and front plunger rod and rear pillar stopper rod are made hollow, oil seal strip is installed in groove, oil seal strip matches with front plunger rod and the rear pillar stopper rod inwall of hollow, and good seal performance is easy to connect, firm.
Accompanying drawing explanation
Fig. 1 is A-A schematic cross-section of Fig. 2;
Fig. 2 is plunger pump front schematic view of the present utility model;
Fig. 3 is that plunger of the present utility model coordinates schematic perspective view with eccentric shaft;
Fig. 4 is plunger generalized section of the present utility model.
Embodiment
The utility model relates to a kind of plungers pump plunger perforation capacity eccentric bearing middle pushing mechanism, as shown in Fig. 1-Fig. 4, comprise the pump housing 1, the both sides of the pump housing 1 connect cylinder body 3, drip chamber 5 is installed in the upper end of cylinder body, the lower end of cylinder body is installed into hydroecium 6, plunger 7 is installed in the pump housing 1, plunger 7 is driven by eccentric shaft 8, eccentric shaft is provided with balancing weight 80, breach 71 and perforation 72 are set on described plunger 7, one of described eccentric shaft 8 through perforation 72, and the first spring bearing 81 is installed in this end, push-and-pull Plunger bearing 82 is installed at middle part at eccentric shaft 8, push-and-pull Plunger bearing 82 matches with breach 71, in the end, other end of eccentric shaft 8, the second spring bearing 83 and reduction gear 84 are installed, the first spring bearing 81 and the second spring bearing 83 are arranged in the pump housing 1.This programme arranges breach 71 and perforation 72 on described plunger 7, by push-and-pull Plunger bearing 82(, be capacity eccentric bearing again) be arranged on the middle part of eccentric shaft 8, push-and-pull Plunger bearing 82 matches with breach 71, the first spring bearing 81 and the second spring bearing 83 are separately positioned on the two end part of eccentric shaft 8, eccentric shaft 8 is installed more steady, during work, power drives reduction gear 84, reduction gear 84 drives eccentric shaft 8 rotations, eccentric shaft 8 drives push-and-pull Plunger bearing 82 to clash into breach 71 walls, make plunger front-rear reciprocation movement, having stable behavior, reliably, the impact force of push-and-pull Plunger bearing 82 is born the middle part at eccentric shaft 8, eccentric shaft 8 is not easy to wear, fracture, extend eccentric shaft working life, reduce maintenance, reduce costs.Described plunger 7 comprises front plunger rod 73 and rear pillar stopper rod 74, between forward and backward plunger rod 73,74, connect plunger slide 75, described breach 71 and perforation 72 are arranged in plunger slide 75, and plunger is comprised of front plunger rod, rear pillar stopper rod and plunger slide three parts, is convenient to assembling.Two of described plunger slide 75 is shaped with respectively plug 76, on plug 76, be shaped with groove 77, front plunger rod 73 and rear pillar stopper rod 74 are made hollow, oil seal strip 78 is installed in groove, oil seal strip 78 matches with front plunger rod 73 and rear pillar stopper rod 74 inwalls of hollow, good seal performance, easy to connect, firm.
Claims (3)
1. plungers pump plunger perforation capacity eccentric bearing middle pushing mechanism, comprise the pump housing (1), the both sides of the pump housing (1) connect cylinder body (3), drip chamber (5) is installed in the upper end of cylinder body, the lower end of cylinder body is installed into hydroecium (6), plunger (7) is installed in the pump housing (1), plunger (7) is driven by eccentric shaft (8), eccentric shaft is provided with balancing weight (80), breach (71) and perforation (72) are set on the plunger (7) described in it is characterized in that, one of described eccentric shaft (8) through perforation (72), and the first spring bearing (81) is installed in this end, push-and-pull Plunger bearing (82) is installed at middle part at eccentric shaft (8), push-and-pull Plunger bearing (82) matches with breach (71), the second spring bearing (83) and reduction gear (84) are installed in the end, other end of eccentric shaft (8), the first spring bearing (81) and the second spring bearing (83) are arranged in the pump housing (1).
2. plungers pump plunger as claimed in claim 1 perforation capacity eccentric bearing middle pushing mechanism, it is characterized in that described plunger (7) comprises front plunger rod (73) and rear pillar stopper rod (74), forward and backward plunger rod connects plunger slide (75) between (73,74), and described breach (71) and perforation (72) are arranged in plunger slide (75).
3. plungers pump plunger as claimed in claim 2 perforation capacity eccentric bearing middle pushing mechanism, the two that it is characterized in that described plunger slide (75) is shaped with respectively plug (76), on plug (76), be shaped with groove (77), front plunger rod (73) and rear pillar stopper rod (74) are made hollow, oil seal strip (78) is installed in groove, and oil seal strip (78) matches with front plunger rod (73) and rear pillar stopper rod (74) inwall of hollow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320600423.8U CN203515982U (en) | 2013-09-27 | 2013-09-27 | Plunger pump plunger through hole eccentric bearing central-positioned pushing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320600423.8U CN203515982U (en) | 2013-09-27 | 2013-09-27 | Plunger pump plunger through hole eccentric bearing central-positioned pushing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203515982U true CN203515982U (en) | 2014-04-02 |
Family
ID=50374921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320600423.8U Expired - Fee Related CN203515982U (en) | 2013-09-27 | 2013-09-27 | Plunger pump plunger through hole eccentric bearing central-positioned pushing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203515982U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103807127A (en) * | 2013-09-27 | 2014-05-21 | 潘建民 | Centrally-mounted pushing mechanism of eccentric bearing of through hole of plunger of plunger pump |
| US10968899B2 (en) | 2015-11-20 | 2021-04-06 | Positec Power Tools (Suzhou) Co., Ltd. | Pump unit and handheld high pressure washer |
-
2013
- 2013-09-27 CN CN201320600423.8U patent/CN203515982U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103807127A (en) * | 2013-09-27 | 2014-05-21 | 潘建民 | Centrally-mounted pushing mechanism of eccentric bearing of through hole of plunger of plunger pump |
| US10968899B2 (en) | 2015-11-20 | 2021-04-06 | Positec Power Tools (Suzhou) Co., Ltd. | Pump unit and handheld high pressure washer |
| USRE49589E1 (en) | 2015-11-20 | 2023-07-25 | Positec Power Tools (Suzhou) Co., Ltd | Pump unit and handheld high pressure washer |
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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: 20140402 Termination date: 20150927 |
|
| EXPY | Termination of patent right or utility model |