CN201696294U - Pump clutch - Google Patents
Pump clutch Download PDFInfo
- Publication number
- CN201696294U CN201696294U CN2010202028738U CN201020202873U CN201696294U CN 201696294 U CN201696294 U CN 201696294U CN 2010202028738 U CN2010202028738 U CN 2010202028738U CN 201020202873 U CN201020202873 U CN 201020202873U CN 201696294 U CN201696294 U CN 201696294U
- Authority
- CN
- China
- Prior art keywords
- pump
- clutch
- input shaft
- control valve
- hydraulic control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a pump clutch which comprises a pump body, a pump driving shaft and a pump end cover, and is characterized in that the pump end cover is provided with an output shaft, the axis of which and the axis of the pump driving shaft are arranged on the same straight line; the pump driving shaft is taken as an input shaft; an electric/ hydraulic control valve is arranged between an inlet and an outlet of a pump; the input shaft is connected with a supporting part which is provided with an external channel which is communicated with one end of an internal channel of the input shaft; and the other end of the internal channel is connected with the electric/ hydraulic control valve in the pump body. The utility model does not need other components when in clutching, and is simple and compact in structure, low in abrasion and long in service life; and it is easy to distribute a control system, so that the pump clutch is suitable for controlling clutch and the clutch transmission between a driving machine and a driven machine which need semi-clutch.
Description
Technical field
The utility model relates to clutch, is a kind of clutch that utilizes the idle running and the driving shaft of pump and be installed in the same commentaries on classics of output shaft on the pump end cap.
Background technique
Generally between active machine and driven machine, be provided with clutch, so that control driven machine, for example, between the motor of Motor Vehicle and speed changer, all be provided with clutch, when Motor Vehicle starting or speed change, must control clutch make speed changer break away from motor contact ability gentle start or speed change.Existing clutch generally has engagement sleeve, friction clutch, hydraulic couplers and torque converter etc., and wherein: engagement sleeve only is suitable for more slow-revving Synchronous Transmission and can not partly engages clutch; Though friction clutch is applicable to the high speed transmission, skids and scaling loss easily; Hydraulic couplers and torque converter efficient under low speed is low.
The model utility content
The purpose of this utility model provides a kind of output shaft that utilizes the idle running and the driving shaft of pump and be installed on the pump end cap and transfers the clutch that realizes between active machine and the driven machine together, and realizes that control moment and speed, control pump clutch partly engage the novel clutch of clutch.
For achieving the above object, the utility model provides a kind of pump clutch, comprise the pump housing, pump driving shaft, pump end cap, it is characterized in that: an output shaft is installed on the pump end cap, make its axis and pump driving shaft axis point-blank, the pump driving shaft is as input shaft, be provided with electricity/hydraulic control valve between pump intake and the outlet, connect supporting part on the input shaft, supporting part is provided with external chennel, external chennel is communicated with internal channel one end of input shaft, and the internal channel the other end is connected with the electricity/hydraulic control valve that is located at pump housing inside.
In order to realize overload protection function, an one-way valve in parallel between pump intake and outlet with electricity/hydraulic control valve.
The utility model is installed an output shaft on the pump end cap, make its axis and pump driving shaft axis point-blank, the pump driving shaft is as input shaft, be provided with electricity/hydraulic control valve between pump intake and the outlet, connect supporting part on the input shaft, supporting part is provided with external chennel, external chennel is communicated with internal channel one end of input shaft, and the internal channel the other end is connected with the electricity/hydraulic control valve that is located at pump housing inside, thus its from, close and need not other member, simple in structure, compactness, it is little to wear and tear, and the life-span is long, the control system easy arrangement is suitable for controlling clutch and needs half-clutch active machine and the clutch transmission between the driven machine.
Description of drawings
Fig. 1 is embodiment's 1 generalized section of the present utility model;
Fig. 2 is a built-in system of the present utility model loop schematic representation;
Fig. 3 is embodiment's 2 generalized sections of the present utility model;
Fig. 4 is embodiment's 3 generalized sections of the present utility model;
Fig. 5 is an external system circuit schematic representation of the present utility model.
Embodiment
Embodiment's 1 double-acting vane pump clutch
With reference to Fig. 1, Fig. 2, an output shaft 1 is installed on pump end cap 3, make its axis and pump driving shaft axis point-blank, and connect with key 2.With pump driving shaft 4 as input shaft.One-way valve 12 in parallel, electricity/hydraulic control valve 13 between pump intake 10 and pump discharge 11 form the shunt circuit.Connect supporting part 5 on input shaft, be provided with external chennel 8 on supporting part, be communicated with internal channel 6 one ends that are located at input shaft, internal channel 6 the other ends are connected the electricity/hydraulic control valve 13,14th that is located at pump housing inside, the pump housing, the 15th, fixing bolt.
When input shaft 4 rotated, the loop was in closed condition, and blade 19 does not have slide relative at stator 20 internal surfaces, so output shaft 1 rotates the pump clutch joint simultaneously with input shaft 4; When overload one-way valve 12 open, driving shaft 4 drives rotors 18 and rotates, blade 19 slides at stator 20 internal surfaces, pump is unloaded to rotate, and at this moment cuts off between input shaft 4 and the output shaft 1 to be connected the pump clutch disconnection; When load restoration just often, one-way valve 12 is closed, the loop is closed, blade 19 does not have slide relative at stator 20 internal surfaces, pump clutch engages, and realizes automatic overload protection.
When the internal channel 6 by input shaft provides control signal, control electricity/hydraulic control valve 13, connect the loop, driving shaft 4 drives rotor 18 and rotates, and blade 19 slides at stator 20 internal surfaces, and pump is unloaded to rotate, at this moment cut off between input shaft 4 and the output shaft 1 and be connected, pump clutch disconnects; When electricity/hydraulic control valve 13 was closed, the loop was in closed condition, and blade 19 does not have slide relative at stator 20 internal surfaces, so output shaft 1 rotates pump clutch joint, realization control moment and speed simultaneously with input shaft 4.
When electricity/hydraulic control valve 13 during in the Push And Release transition stage, electricity/hydraulic control valve 13 is in an interim state, be that loop feature is connected, by having certain pressure reduction and flow between pump intake 10 and the pump discharge 11, blade 19 has certain slide relative at stator 20 internal surfaces, therefore certain torque and slip are arranged between input shaft and output shaft, control torque and slip between input shaft and the output shaft, therefore can control half and engage clutch by controlling electricity/hydraulic control valve 13 folding degree.
Embodiment's 2 three screw pump clutches
With reference to Fig. 3, Fig. 2, an output shaft 1 is installed on pump end cap 3, make its axis and pump driving shaft axis point-blank, and connect with key 2.As input shaft, pump end cap 3 is connected with the pump housing 14 usefulness fixing bolts 15 with pump driving shaft 4.Pump into 10 with pump discharge 11 between one-way valve 12 in parallel, electricity/hydraulic control valve 13, form the shunt circuit.Connect supporting part 5 on input shaft, be provided with external chennel 8 on supporting part, be communicated with internal channel 6 one ends that are located at input shaft, internal channel 6 the other ends are connected the electricity/hydraulic control valve 13 that is located at pump housing inside.
When input shaft 4 rotated, the loop was in closed condition, did not promptly initiatively relatively rotate between screw rod 20 and the driven screw rod 21, and output shaft 1 rotates simultaneously with input shaft 4, and pump clutch engages; When overload one-way valve 12 open, driving shaft 4 drives driven screw rod 21 and rotates, pump is unloaded to rotate, and at this moment cuts off between input shaft 4 and the output shaft 1 to be connected the pump clutch disconnection; When load restoration just often, one-way valve 12 is closed, the loop is closed, and does not initiatively relatively rotate between screw rod 20 and the driven screw rod 21, pump clutch engages, the realization automatic overload protection.
When the internal channel 6 by input shaft provides control signal, control electricity/hydraulic control valve 13, connect the loop, initiatively relatively rotate between screw rod 20 and the driven screw rod, pump is unloaded to rotate, and cut-out connects, and pump clutch disconnects; When electricity/hydraulic control valve 13 was closed, the loop was closed, and did not initiatively relatively rotate between screw rod 20 and the driven screw rod, and pump clutch engages, and realized control moment and speed.
When electricity/hydraulic control valve 13 during in the Push And Release transition stage, electricity/hydraulic control valve 13 is in an interim state, be that loop feature is connected, by having certain pressure reduction and flow between pump intake 10 and the pump discharge 11, initiatively between screw rod 20 and the driven screw rod 21 certain relatively rotating arranged, therefore certain torque and corner are arranged between input shaft and output shaft, control torque and corner between input shaft and the output shaft, therefore can control half and engage clutch by controlling electricity/hydraulic control valve 13 folding degree.
Embodiment's 3 cycloid inside engaged gear pump clutch
With reference to Fig. 4, Fig. 5, an output shaft 1 is installed on pump end cap 3, make its axis and pump driving shaft axis point-blank, and connect with key 2.With pump driving shaft 2 as input shaft, on input shaft, connect supporting part 5, be provided with two external chennels 8,9 on supporting part, external chennel 8,9 is logical with a termination of the internal channel 6,7 that is located at input shaft respectively, and the other end of internal channel 6,7 is connected pump intake 10, pump discharge 11 respectively.Internal channel 7, the external chennel 9 of the internal channel 6 by external chennel 8, input shaft, pump intake 10, internal rotor 23, external rotor 22, pump discharge 11, input shaft and be located at one-way valve 12, electricity/hydraulic control valve 13, fuel tank 16, the filter 17 that the outside is in parallel and get back to external chennel 8, form the closed-loop path, thereby be implemented in the external control pump clutch of pump clutch.
When input shaft 4 rotated, the loop was in closed condition, did not promptly relatively rotate between internal rotor 23 and the external rotor 22, and output shaft 1 rotates simultaneously with input shaft 4, and pump clutch engages; When overload one-way valve 12 open, relatively rotate between the internal rotor 23 that driving shaft 4 drives and the external rotor 22, pump is unloaded to rotate, and at this moment cuts off between input shaft 4 and the output shaft 1 to connect the pump clutch disconnection; When load restoration just often, one-way valve 12 is closed, the loop is closed, and does not relatively rotate between internal rotor 23 and the external rotor 22, pump clutch engages, and realizes automatic overload protection.
When control electricity/hydraulic control valve 13, connect the loop, relatively rotate between internal rotor 23 and the external rotor 22, pump is unloaded to rotate, and cuts off to connect, and pump clutch disconnects; When electricity/hydraulic control valve 13 was closed, the loop was closed, and did not relatively rotate between internal rotor 23 and the external rotor 22, and pump clutch engages, and realized control moment and speed.When electricity/hydraulic control valve 13 during in the Push And Release transition stage, electricity/hydraulic control valve 13 is in an interim state, be that loop feature is connected, by having certain pressure reduction and flow between pump intake 10 and the pump discharge 11, have necessarily between internal rotor 23 and the external rotor 22 and relatively rotate, therefore certain torque and corner are arranged between input shaft and output shaft, control torque and slip between input shaft and the output shaft by controlling electricity/hydraulic control valve 13 folding degree, therefore can partly engage clutch at the external control pump clutch of pump clutch.
The utility model can be selected gear pump for use, as crescent gear pump and external gear pump; Vane pump is as single-acting pump, double-acting pump, cam rotor vane pump; Screw pump is as helical rotor pump, two screw pump, three screw pump; Turbine pump is as centrifugal pump, axial-flow pump; Radial plunger pump, axial piston pump etc.Working medium can be an oil, gas, water and emulsified liquid.
Claims (2)
1. pump clutch, comprise the pump housing, pump driving shaft, pump end cap, it is characterized in that: an output shaft is installed on the pump end cap, make its axis and pump driving shaft axis point-blank, the pump driving shaft is provided with electricity/hydraulic control valve as input shaft between pump intake and the outlet, connect supporting part on the input shaft, supporting part is provided with external chennel, and external chennel is communicated with internal channel one end of input shaft, and the internal channel the other end is connected with the electricity/hydraulic control valve that is located at pump housing inside.
2. pump clutch according to claim 1 is characterized in that: pump intake with the outlet between an one-way valve in parallel with electricity/hydraulic control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202028738U CN201696294U (en) | 2010-05-26 | 2010-05-26 | Pump clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202028738U CN201696294U (en) | 2010-05-26 | 2010-05-26 | Pump clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201696294U true CN201696294U (en) | 2011-01-05 |
Family
ID=43397536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202028738U Expired - Fee Related CN201696294U (en) | 2010-05-26 | 2010-05-26 | Pump clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201696294U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101832265A (en) * | 2010-05-26 | 2010-09-15 | 玄邵华 | Pump clutch |
-
2010
- 2010-05-26 CN CN2010202028738U patent/CN201696294U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101832265A (en) * | 2010-05-26 | 2010-09-15 | 玄邵华 | Pump clutch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110105 Termination date: 20120526 |