CN204985175U - Take hydraulic transmission device of flushometer - Google Patents
Take hydraulic transmission device of flushometer Download PDFInfo
- Publication number
- CN204985175U CN204985175U CN201520442308.1U CN201520442308U CN204985175U CN 204985175 U CN204985175 U CN 204985175U CN 201520442308 U CN201520442308 U CN 201520442308U CN 204985175 U CN204985175 U CN 204985175U
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- spool
- valve
- oil
- oil duct
- valve body
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Abstract
The utility model relates to a take hydraulic transmission device of flushometer, including the shell, be equipped with oil pump, motor on the shell, first oil duct, second oil duct are equipped with the flushometer on the at least oil duct in first oil duct, the second oil duct, and the flushometer is including valve body, case, the valve body in be equipped with the valve pocket, the cooperation of going up and down of case and valve body is equipped with the piece that resets of the case that is used for reseing in the valve pocket, the case on be equipped with the oil inlet, the oil inlet switches on with the valve pocket, is equipped with the oil -out that switches on with the valve pocket on the valve body, is equipped with the drain tap on the shell, the oil -out switches on with the drain tap, is equipped with between valve body and the case to be used for with oil inlet or oil -out confined seal structure when the case descends. The present invention uses the technical scheme, the utility model provides a take hydraulic transmission device of flushometer, it can wash the impurity in the oil duct, moreover for the hydraulic transmission device radiating effect is good, and the motor starts, the braking is more steady.
Description
Technical field
The utility model relates to a kind of hydraulic transmission, particularly a kind of hydraulic transmission with flushing valve.
Background technique
Existing a kind of hydraulic transmission, include shell, shell is provided with oil pump, motor, first oil duct, the second oil duct, first oil duct, the second oil duct two ends are connected with oil pump, motor respectively, oil pump, the first oil duct, motor, the second oil duct form oil hydraulic circuit, when fluid in oil pump flows into motor from the first oil duct, flow back to through the second oil duct the rotating forward that oil pump realizes motor; When fluid in oil pump flows into motor from the second oil duct, flow back to through the first oil duct the reversion that oil pump realizes motor.But in use, the impurity in the first oil duct, the second oil duct can not rinse this transmission device, and this transmission device radiating effect is poor, make motor starting, braking not steady.
Summary of the invention
The purpose of this utility model: in order to overcome the defect of prior art, the utility model provides a kind of hydraulic transmission with flushing valve, and it can rinse the impurity in oil duct, and, make hydraulic transmission good heat dissipation effect, motor starting, braking more steady.
The technical solution of the utility model: a kind of hydraulic transmission with flushing valve, include shell, shell is provided with oil pump, motor, first oil duct, second oil duct, first oil duct, second oil duct two ends respectively with oil pump, motor connects, oil pump, first oil duct, motor, second oil duct forms oil hydraulic circuit, it is characterized in that: the first described oil duct, at least one oil duct in second oil duct is provided with flushing valve, flushing valve includes valve body, spool, valve pocket is provided with in described valve body, valve body is provided with the spool bore inserted for spool, spool one end extends in valve pocket through spool bore, the other end extends to outside valve body, spool is elevated with valve body and coordinates, the return unit for the spool that resets is provided with in valve pocket, the spool being positioned at valve pocket is provided with the limiting board for preventing spool from departing from valve pocket, described spool is provided with filler opening, filler opening and valve pocket conducting, valve body is provided with the oil outlet with valve pocket conducting, shell is provided with drain tap, oil outlet and drain tap conducting, be provided with between valve body and spool for when spool declines in valve pocket by sealing configuration that filler opening or oil outlet are closed.
Adopt technique scheme, during normal work, part fluid enters valve pocket from the filler opening flush valve core, flow back to fuel tank by oil outlet through drain tap again, can the impurity in oil duct be rinsed like this, and, during work, oil duct inner fluid temperature is higher, by part fluid is flowed back to fuel tank, the radiating effect of hydraulic transmission can be improved, make motor starting, braking more steady; When oil duct internal pressure height, promote spool and decline, by sealing configuration, filler opening or oil outlet are closed, can prevent too much fluid from flowing to fuel tank like this, affect the service behaviour of motor.
Further setting of the present utility model: described spool lower end is provided with when spool declines for the conical seal (contact) face or cylindrical sealing surface with oil outlet inner wall sealing.
Adopt above-mentioned further setting, when spool declines, closed by oil outlet by the conical seal (contact) face of spool lower end or cylindrical sealing surface, structure is simple, and sealing is reliable.
Setting further more of the present utility model: described filler opening is arranged on the outer side wall of spool side relative to spool bore inwall, described spool is positioned at filler opening upper end and is provided with when spool declines for the cylindrical sealing surface with spool bore inner wall sealing.
Adopt and above-mentionedly to arrange further again, when spool declines, closed by filler opening by cylindrical sealing surface spool being positioned at filler opening upper end, structure is simple, and sealing is reliable.
Setting further more of the present utility model: described valve body includes valve body body, the gland that split is arranged, gland is arranged on valve body body, and valve pocket is arranged on valve body body, and valve pocket upper end open is arranged, gland is positioned at aperture position, and described spool bore is arranged on gland.
Adopt and above-mentionedly to arrange further again, can, conveniently to installation, the dismounting of valve pocket inner spool, return unit, use convenient like this.
Further setting more of the present utility model: described filler opening is arranged on the outer side wall of spool side relative to spool bore inwall, described spool is positioned at filler opening upper end and is provided with when spool declines for the conical seal (contact) face with spool bore inner wall sealing.
Adopt and above-mentionedly further to arrange again, when spool declines, closed by filler opening by conical seal (contact) face spool being positioned at filler opening upper end, structure is simple, and sealing is reliable.
Further setting more of the present utility model: described valve pocket bottom opening is arranged, and on valve body, corresponding aperture position is provided with positioning seat, and positioning seat lower end is provided with back-up ring, and back-up ring circumference is embedded in valve body, and shown oil outlet is arranged on positioning seat.
Adopt and above-mentionedly further to arrange again, can conveniently spool be loaded in valve pocket bottom valve pocket like this, easier for installation.
Further setting more of the present utility model: described return unit is Returnning spring, and described Returnning spring is set on spool, conflicts respectively with bottom limiting board, valve pocket in Returnning spring two ends.
Adopt and above-mentionedly further to arrange again, return unit adopts spring, and reseting performance is good, this spring fitting mode, and easy for installation, it is firm to locate, and can not produce position skew.
Further setting more of the present utility model: the first oil duct, the second oil duct are respectively equipped with the first relief valve, the second relief valve, described oil pump is also connected with slippage pump, also be provided with the 3rd relief valve between slippage pump and drain tap, the first relief valve, the second relief valve are connected with the entrance point of the 3rd relief valve.
Adopt and above-mentionedly further to arrange again, the slippage pump of setting can the timely repairing when hydraulic circuit pressure is too low, and fluid can be flowed back to fuel tank from drain tap when hydraulic circuit pressure is too high by the first relief valve, second relief valve of setting.
Accompanying drawing explanation
Fig. 1 is the structural representation of transmission device;
Fig. 2 is A-A structure sectional view in Fig. 1;
Fig. 3 is B-B structure sectional view in Fig. 1;
Fig. 4 is the left view of Fig. 3;
Fig. 5 is D-D structure sectional view in Fig. 4;
Fig. 6 is C-C structure sectional view in Fig. 3;
Fig. 7 is the theory diagram of hydraulic transmission;
Fig. 8 is flushing valve structure schematic diagram in embodiment 1;
Fig. 9 is flushing valve structure schematic diagram in embodiment 2;
Figure 10 is flushing valve structure schematic diagram in embodiment 3.
Embodiment
Embodiment 1:
As shown in figures 1-8, a kind of hydraulic transmission with flushing valve, include shell 1, shell 1 is provided with oil pump 2, motor 3, first oil duct 4, second oil duct 5, first oil duct 4, second oil duct 5 two ends respectively with oil pump 2, motor 3 connects, oil pump 2, first oil duct 4, motor 3, second oil duct 5 forms oil hydraulic circuit, shell 1 is provided with drain tap 9, first oil duct 4, second oil duct 5 is respectively equipped with the first relief valve 6, second relief valve 7, described oil pump 2 is also connected with slippage pump 8, the 3rd relief valve 10 is also provided with between slippage pump 8 and drain tap 9, first relief valve 6, second relief valve 7 is connected with the entrance point of the 3rd relief valve 10, the first described oil duct 4 is provided with flushing valve 11, flushing valve 11 includes valve body 111, spool 112, valve pocket 113 is provided with in described valve body 111, valve body 111 is provided with the spool bore 1111 inserted for spool 112, spool 112 one end extends in valve pocket 113 through spool bore 1111, the other end extends to outside valve body 111, spool 112 is elevated with valve body 111 and coordinates, the Returnning spring 114 for the spool 112 that resets is provided with in valve pocket 113, the spool 112 being positioned at valve pocket 113 is provided with the limiting board 115 for preventing spool 112 from departing from valve pocket 113, described Returnning spring 114 is set on spool, Returnning spring 114 two ends respectively with limiting board 115, conflict bottom valve pocket 113, described spool 112 is provided with the filler opening 116 with the first oil duct 4 conducting, filler opening 116 and valve pocket 113 conducting, valve body 111 is provided with the oil outlet 117 with valve pocket 113 conducting, oil outlet 117 and drain tap 9 conducting, described spool 112 lower end is provided with when spool 112 declines in valve pocket 113 for the conical seal (contact) face 1121 with oil outlet 117 inner wall sealing, cylindrical sealing surface can certainly be adopted.Wherein, described valve body 111 includes valve body body 1112, the gland 1113 that split is arranged, gland 1113 is arranged on valve body body, valve pocket is arranged on valve body body 1112, valve pocket 113 upper end open is arranged, gland 1113 is positioned at aperture position, and described spool bore 1111 is arranged on gland 1113.
During normal work, part fluid enters valve pocket 113 from the filler opening 116 flush valve core 112, fuel tank is flowed back to through drain tap 9 again by oil outlet 117, impurity in oil duct can be rinsed like this, and oil duct inner fluid temperature is higher during work, by part fluid is flowed back to fuel tank, the radiating effect of hydraulic transmission can be improved, make motor starting, braking more steady; When oil duct internal pressure height, promote spool and decline, by conical seal (contact) face 1121, oil outlet 117 is closed, can prevent too much fluid from flowing to fuel tank like this, affect the service behaviour of motor.
Embodiment 2:
As Fig. 1-7, shown in 9, a kind of hydraulic transmission with flushing valve, include shell 1, shell 1 is provided with oil pump 2, motor 3, first oil duct 4, second oil duct 5, first oil duct 4, second oil duct 5 two ends respectively with oil pump 2, motor 3 connects, oil pump 2, first oil duct 4, motor 3, second oil duct 5 forms oil hydraulic circuit, shell 1 is provided with drain tap 9, first oil duct 4, second oil duct 5 is respectively equipped with the first relief valve 6, second relief valve 7, described oil pump 2 is also connected with slippage pump 8, the 3rd relief valve 10 is also provided with between slippage pump 8 and drain tap 9, first relief valve 6, second relief valve 7 is connected with the entrance point of the 3rd relief valve 10, the first described oil duct 4 is provided with flushing valve 11 ', flushing valve 11 ' includes valve body 111 ', spool 112 ', valve pocket 113 ' is provided with in described valve body 111 ', valve body 111 ' is provided with the spool bore 1111 ' inserted for spool 112 ', spool 112 ' one end extends in valve pocket 113 ' through spool bore 1111 ', the other end extends to valve body 111 ' outward, spool 112 ' is elevated with valve body 111 ' and coordinates, the Returnning spring 114 ' for the spool that resets is provided with in valve pocket 113 ', the spool 112 ' being positioned at valve pocket 113 ' is provided with the limiting board 115 ' for preventing spool from departing from valve pocket, described Returnning spring 114 ' is set on spool 112 ', Returnning spring 114 ' two ends respectively with limiting board 115 ', conflict in valve pocket 113 ' bottom, described spool 112 ' is provided with the filler opening 116 ' with the first oil duct 4 conducting, filler opening 116 ' and valve pocket 113 ' conducting, valve body 111 ' is provided with the oil outlet 117 ' with valve pocket 113 ' conducting, oil outlet 117 ' and drain tap 9 conducting, described spool 112 ' is positioned at filler opening 116 ' upper end to be provided with when spool 112 ' declines to valve pocket 113 ' for the cylindrical sealing surface 1121 ' with spool bore 1111 ' inner wall sealing.Wherein, described valve body 111 ' includes valve body body 1112 ', the gland 1113 ' that split is arranged, gland 1113 ' is arranged on valve body body, valve pocket 113 ' is arranged on valve body body 1112 ', valve pocket 113 ' upper end open is arranged, gland 1113 ' is positioned at aperture position, and described spool bore 1111 ' is arranged on gland 1113 '.
During normal work, part fluid enters valve pocket 113 ' from the filler opening 116 ' flush valve core 112 ', fuel tank is flowed back to through drain tap 9 again by oil outlet 117 ', impurity in oil duct can be rinsed like this, and oil duct inner fluid temperature is higher during work, by part fluid is flowed back to fuel tank, the radiating effect of hydraulic transmission can be improved, make motor starting, braking more steady; When oil duct internal pressure height, promote spool and decline, by cylindrical sealing surface 1121 ', filler opening 116 ' is closed, can prevent too much fluid from flowing to fuel tank like this, affect the service behaviour of motor.
Embodiment 3:
As Fig. 1-7, shown in 10, a kind of hydraulic transmission with flushing valve, include shell 1, shell 1 is provided with oil pump 2, motor 3, first oil duct 4, second oil duct 5, first oil duct 4, second oil duct 5 two ends respectively with oil pump 2, motor 3 connects, oil pump 2, first oil duct 4, motor 3, second oil duct 5 forms oil hydraulic circuit, shell 1 is provided with drain tap 9, first oil duct 4, second oil duct 5 is respectively equipped with the first relief valve 6, second relief valve 7, described oil pump 2 is also connected with slippage pump 8, the 3rd relief valve 10 is also provided with between slippage pump 8 and drain tap 9, first relief valve 6, second relief valve 7 is connected with the entrance point of the 3rd relief valve 10, the first described oil duct 4 is provided with flushing valve 11 ' ', flushing valve 11 ' ' include valve body 111 ' ', spool 112 ' ', described valve body 111 ' ' in be provided with valve pocket 113 ' ', the spool bore 1111 ' that valve body 111 ' ' be provided with for spool 112 ' ' inserts ', spool 112 ' ' one end through spool bore 1111 ' ' extends to valve pocket 113 ' ' in, the other end extends to valve body 111 ' ' outward, spool 112 ' ' with valve body 111 ' ' is elevated and coordinates, valve pocket 113 ' ' be provided with Returnning spring 114 ' ' for the spool that resets, be positioned at the spool 112 ' of valve pocket ' be provided with for preventing spool from departing from the limiting board 115 ' of valve pocket ', described spool 112 ' ' be provided with the filler opening 116 ' be communicated with the first oil duct 4 ', filler opening 116 ' ' and valve pocket 113 ' ' conducting, the oil outlet 117 ' of valve body 111 ' ' be provided with and valve pocket 113 ' ' conducting ', oil outlet 117 ' ' and drain tap 9 conducting, described spool 112 ' ' on be positioned at filler opening 116 ' ' upper end is provided with at spool 112 ' ' to valve pocket 113 ' ' is used for and spool bore 1111 ' when declining the conical seal (contact) face 1121 ' of the inner wall sealing ' ', described valve pocket 113 ' ' bottom opening setting, valve body 111 ' ' upper corresponding aperture position be provided with positioning seat 118 ' ', positioning seat 118 ' ' lower end be provided with back-up ring 119 ' ', in back-up ring 119 ' ' circumference be embedded at valve body 111 ' ', shown oil outlet 117 ' ' be arranged on positioning seat 118, described Returnning spring 114 ' ' be set at spool 112 ' ' on, Returnning spring 114 ' ' two ends respectively with limiting board 115 ' ', positioning seat 118 ' ' conflict.
During normal work, part fluid is from flush valve core 112 ' ' filler opening 116 ' ' enters valve pocket 113 ' ', again by oil outlet 117 ' ' flow back to fuel tank through drain tap 9, impurity in oil duct can be rinsed like this, and oil duct inner fluid temperature is higher during work, by part fluid is flowed back to fuel tank, the radiating effect of hydraulic transmission can be improved, make motor starting, braking more steady; When oil duct internal pressure height, promote spool and decline, by conical seal (contact) face 1121 ' ' by filler opening 116 ' ' close, can prevent too much fluid from flowing to fuel tank like this, affect the service behaviour of motor.
Claims (8)
1. the hydraulic transmission with flushing valve, include shell, shell is provided with oil pump, motor, first oil duct, second oil duct, first oil duct, second oil duct two ends respectively with oil pump, motor connects, oil pump, first oil duct, motor, second oil duct forms oil hydraulic circuit, it is characterized in that: the first described oil duct, at least one oil duct in second oil duct is provided with flushing valve, flushing valve includes valve body, spool, valve pocket is provided with in described valve body, valve body is provided with the spool bore inserted for spool, spool one end extends in valve pocket through spool bore, the other end extends to outside valve body, spool is elevated with valve body and coordinates, the return unit for the spool that resets is provided with in valve pocket, the spool being positioned at valve pocket is provided with the limiting board for preventing spool from departing from valve pocket, described spool is provided with filler opening, filler opening and valve pocket conducting, valve body is provided with the oil outlet with valve pocket conducting, shell is provided with drain tap, oil outlet and drain tap conducting, be provided with between valve body and spool for when spool declines in valve pocket by sealing configuration that filler opening or oil outlet are closed.
2. the hydraulic transmission of band flushing valve according to claim 1, is characterized in that: described spool lower end is provided with when spool declines for the conical seal (contact) face or cylindrical sealing surface with oil outlet inner wall sealing.
3. the hydraulic transmission of band flushing valve according to claim 1, it is characterized in that: described filler opening is arranged on the outer side wall of spool side relative to spool bore inwall, described spool is positioned at filler opening upper end and is provided with when spool declines for the cylindrical sealing surface with spool bore inner wall sealing.
4. the hydraulic transmission of the band flushing valve according to Claims 2 or 3, it is characterized in that: described valve body includes valve body body, the gland that split is arranged, gland is arranged on valve body body, valve pocket is arranged on valve body body, valve pocket upper end open is arranged, gland is positioned at aperture position, and described spool bore is arranged on gland.
5. the hydraulic transmission of band flushing valve according to claim 1, it is characterized in that: described filler opening is arranged on the outer side wall of spool side relative to spool bore inwall, described spool is positioned at filler opening upper end and is provided with when spool declines for the conical seal (contact) face with spool bore inner wall sealing.
6. the hydraulic transmission of band flushing valve according to claim 5, it is characterized in that: described valve pocket bottom opening is arranged, and on valve body, corresponding aperture position is provided with positioning seat, and positioning seat lower end is provided with back-up ring, back-up ring circumference is embedded in valve body, and shown oil outlet is arranged on positioning seat.
7. the hydraulic transmission of the band flushing valve according to claim 1 or 2 or 3 or 5, is characterized in that: described return unit is Returnning spring, and described Returnning spring is set on spool, conflicts respectively with bottom limiting board, valve pocket in Returnning spring two ends.
8. the hydraulic transmission of the band flushing valve according to claim 1 or 2 or 3 or 5, it is characterized in that: the first oil duct, the second oil duct are respectively equipped with the first relief valve, the second relief valve, described oil pump is also connected with slippage pump, also be provided with the 3rd relief valve between slippage pump and drain tap, the first relief valve, the second relief valve are connected with the entrance point of the 3rd relief valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520442308.1U CN204985175U (en) | 2015-06-24 | 2015-06-24 | Take hydraulic transmission device of flushometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520442308.1U CN204985175U (en) | 2015-06-24 | 2015-06-24 | Take hydraulic transmission device of flushometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204985175U true CN204985175U (en) | 2016-01-20 |
Family
ID=55119548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520442308.1U Withdrawn - After Issue CN204985175U (en) | 2015-06-24 | 2015-06-24 | Take hydraulic transmission device of flushometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204985175U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104930022A (en) * | 2015-06-24 | 2015-09-23 | 海特克液压有限公司 | Hydraulic transmission device with flush valve |
-
2015
- 2015-06-24 CN CN201520442308.1U patent/CN204985175U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104930022A (en) * | 2015-06-24 | 2015-09-23 | 海特克液压有限公司 | Hydraulic transmission device with flush valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160120 Effective date of abandoning: 20171128 |
|
| AV01 | Patent right actively abandoned |