CN212584043U - Oil collecting block for hydraulic drive system - Google Patents
Oil collecting block for hydraulic drive system Download PDFInfo
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- CN212584043U CN212584043U CN202021205216.9U CN202021205216U CN212584043U CN 212584043 U CN212584043 U CN 212584043U CN 202021205216 U CN202021205216 U CN 202021205216U CN 212584043 U CN212584043 U CN 212584043U
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Abstract
The utility model relates to an oil collecting block for hydraulic drive system, including oil collecting block body, oil inlet nozzle, oil outlet nozzle and check valve, be provided with a plurality of corresponding intercommunicating pores on the oil collecting block body side by side, the check valve contains the valve body of portable assembly in the check valve installation cavity of oil collecting block body, extrusion device has compression spring between valve body rear end and the oil outlet nozzle; the valve bodies all comprise fixed bodies, the guide devices of the fixed bodies are arranged on the rear sides of the one-way valve installation cavities, liquid inlet bodies are integrally formed on the front sides of the fixed bodies, sealing bodies are arranged on the front sides of the liquid inlet bodies in a circular truncated cone shape, and the sealing bodies are clamped at the rear ends of the communicating holes in a sealing mode; the center of the liquid inlet and the fixed body is provided with a liquid guide hole, the two sides of the liquid inlet are provided with liquid inlet holes communicated to the liquid guide hole, and the center of the sealing body is provided with a backflow hole communicated to the liquid guide hole. The utility model discloses can effectively in time carry out the pressure release after the check valve forms closed, and can effectively shorten the compression stroke of check valve.
Description
Technical Field
The utility model relates to an oil collecting block specifically indicates a hydraulic drive system is with oil collecting block.
Background
The oil collection block is often applied to the field of engineering machinery to effectively realize pipeline simplification. The existing oil collecting block generally comprises an oil collecting block body and hydraulic oil flow general communication holes uniformly distributed on the oil collecting block, oil inlet nozzles and oil outlet nozzles are respectively assembled at two ends of the communication holes, and the oil inlet nozzles and the oil outlet nozzles are effectively connected with a hydraulic control pipe. In order to facilitate the matching of the action start-stop control of engineering machinery, a one-way valve is mostly assembled in a communication hole of the existing oil collection block. When the engineering machinery needs to act, hydraulic oil enters along the oil inlet nozzle; under the action of hydraulic pressure, the one-way valve is opened; hydraulic oil enters the oil outlet nozzle, then enters the corresponding hydraulic cylinder along the hydraulic control pipe, and the mechanical action is controlled through the stretching of the hydraulic cylinder. When the engineering machinery stops operating, hydraulic oil stops entering, the one-way valve in the oil collecting block is closed instantly, but hydraulic lifting in the hydraulic control pipe cannot be stopped immediately at the moment, so that the engineering machinery generates large impact vibration when the engineering machinery stops operating, and large mechanical damage exists on an executive part of the engineering machinery. For example, the mechanical arm of the excavator stops after being greatly shaken after being stretched in place, and mechanical damage is easily caused to the mechanical arm.
The prior oil collection block has the obvious defects in the using process that: the check valve only needs to be opened under a larger compression stroke, so that the operation efficiency is influenced, and the service life of the check valve is shortened.
Therefore, the pressure relief can be effectively carried out in time after the one-way valve is closed, and the hydraulic lifting in the hydraulic control pipe is effectively stopped while the one-way valve is closed, so that excessive vibration of the equipment is prevented when the equipment acts in place; and can effectively shorten the compression stroke of check valve to effectively improve the work efficiency and promote the life of check valve's hydraulic drive system is with gathering oil piece the utility model discloses a research purpose.
Disclosure of Invention
To the problem that above-mentioned prior art exists, the utility model provides a hydraulic drive system is with gathering oil piece, this hydraulic drive system is with gathering oil piece can effectively solve the technical problem that above-mentioned prior art exists.
The technical scheme of the utility model is that:
an oil collecting block for a hydraulic drive system comprises an oil collecting block body, oil inlet nozzles, oil outlet nozzles and a one-way valve, wherein a plurality of corresponding communication holes are arranged on the oil collecting block body side by side, the front ends of the communication holes are respectively communicated with corresponding oil inlet nozzle installation cavities, the oil inlet nozzles are respectively fixedly arranged in the corresponding oil inlet nozzle installation cavities, the rear ends of the communication holes are respectively communicated with corresponding oil outlet nozzle installation cavities, and the oil outlet nozzles are respectively fixedly arranged in the corresponding oil outlet nozzle installation cavities; a check valve mounting cavity is communicated between the front side of the oil outlet nozzle mounting cavity and the communication hole, the check valve comprises a valve body movably assembled in the check valve mounting cavity, and compression springs are respectively arranged between the rear end of the valve body and the corresponding oil outlet nozzles in an extruding manner; the valve bodies all comprise fixing bodies, guiding devices are arranged on the rear sides of the check valve installation cavities, liquid inlet bodies are integrally formed on the front sides of the fixing bodies, the liquid inlet bodies and the fixing bodies are cylindrical, the diameters of the liquid inlet bodies are smaller than those of the fixing bodies, sealing bodies are arranged on the front sides of the liquid inlet bodies in a circular truncated cone shape, and the sealing bodies are clamped at the rear ends of the communicating holes in a sealing mode; the liquid inlet and the center of the fixed body are provided with liquid guide holes, liquid inlet holes communicated to the liquid guide holes are formed in two sides of the liquid inlet, and return holes communicated to the liquid guide holes are formed in the center of the sealing body.
The front end of the sealing body is arranged to be open.
The oil inlet nozzle is composed of an oil inlet nozzle joint and an oil inlet nozzle connecting piece, and the oil inlet nozzle connecting piece is fixedly arranged in a corresponding oil inlet nozzle mounting cavity in a threaded connection mode.
The integrated molding is provided with an oil inlet nozzle limiting plate between the oil inlet nozzle joint and the oil inlet nozzle connecting piece, the oil inlet nozzle connecting piece is arranged behind the oil inlet nozzle installation cavity, and the oil inlet nozzle limiting plate is attached to the front end face of the oil collecting block body.
The oil nozzle is composed of an oil nozzle joint and an oil nozzle connecting piece, and the oil nozzle connecting piece is fixedly arranged in the corresponding oil nozzle mounting cavity in a threaded connection mode.
The integrated molding is provided with the glib limiting plate between glib joint and the glib connecting piece, glib connecting piece device behind the glib installation cavity, the laminating of glib limiting plate is in on the rear end face of collection oil piece body.
The liquid guide hole is arranged in a step shape with a narrow front part and a wide rear part, and the front end of the compression spring is sleeved on the rear side of the liquid guide hole.
The utility model has the advantages that:
1) the utility model discloses a setting of the fixed body effectively ensures the assembly stability of valve body, through the setting of seal, directly forms the closure at the rear end of intercommunicating pore through the seal to effectively form sealed effect. On this basis, the utility model discloses again in the center department of entering liquid and the fixed body carry out the drain hole setting to carry out the feed liquor hole setting in the both sides of entering liquid. When the oil supply action is started, the sealing body is pressed and compressed backwards, hydraulic oil enters through the space between the sealing body and the communicating hole, then directly enters the liquid guide hole along the liquid inlet hole and enters the corresponding hydraulic control pipe along the oil outlet nozzle to be hydraulically driven. The hydraulic drive just can directly carry out after the seal contracts backward, can effectively shorten the compression stroke of check valve to effectively improve the operating efficiency and promote the life of check valve.
2) The utility model discloses a seal center department is provided with the backward flow hole that communicates to the drain hole, forms closed back at the check valve, and hydraulic oil in the hydraulic control pipe can follow the drain hole and carry out a small amount of backward flow with the backward flow hole to effectively in time form the pressure release action, effectively stop the hydraulic pressure promotion in the hydraulic control pipe when the check valve is closed, thereby prevent that equipment from producing excessive vibration when the action targets in place.
3) The utility model discloses a front end of seal sets to the uncovered form to effectively increase the contact surface of seal front end, when ensureing that the fuel feeding action starts, can in time stabilize the seal, in time stabilize the valve body formation promotion to the check valve promptly, thereby effectively improve the utility model discloses a practical effect.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a sectional view a-a in fig. 1.
Fig. 3 is a schematic structural diagram of the oil collecting block body.
Fig. 4 is a schematic structural view of a valve body of the check valve.
Fig. 5 is a cross-sectional view of a valve body of the check valve.
Detailed Description
To facilitate understanding of those skilled in the art, the structure of the present invention will now be described in further detail with reference to the following examples:
referring to fig. 1-5, an oil collecting block for a hydraulic drive system comprises an oil collecting block body 1, oil inlets 2, oil outlets 3 and a check valve 4, wherein a plurality of corresponding communication holes 5 are arranged on the oil collecting block body 1 side by side, the front ends of the communication holes 5 are respectively communicated with corresponding oil inlet mounting cavities 6, the oil inlets 2 are respectively fixedly arranged in the corresponding oil inlet mounting cavities 6, the rear ends of the communication holes 5 are respectively communicated with corresponding oil outlet mounting cavities 7, and the oil outlets 3 are respectively fixedly arranged in the corresponding oil outlet mounting cavities 7; a check valve installation cavity 8 is communicated between the front side of the oil nozzle installation cavity 7 and the communication hole 5, the check valve 4 comprises a valve body 401 movably assembled in the check valve installation cavity 8, and compression springs 402 are respectively arranged between the rear ends of the valve body 401 and the corresponding oil nozzles 3; the valve bodies 401 respectively comprise fixing bodies 4011 which are guiding devices and are arranged on the rear sides of the one-way valve installation cavities 8, liquid inlet bodies 4012 are integrally formed on the front sides of the fixing bodies 4011, the liquid inlet bodies 4012 and the fixing bodies 4011 are cylindrical, the diameters of the liquid inlet bodies 4012 are smaller than those of the fixing bodies 4011, sealing bodies 4013 are arranged on the front sides of the liquid inlet bodies 4012 in a circular truncated cone shape, and the sealing bodies 4013 are clamped at the rear ends of the communicating holes 5 in a sealing mode; liquid guide holes 9 are formed in the centers of the liquid inlet 4012 and the fixed body 4011, liquid inlet holes 10 communicated to the liquid guide holes 9 are formed in the two sides of the liquid inlet 4012, and backflow holes 11 communicated to the liquid guide holes 9 are formed in the center of the sealing body 4013.
The seal 4013 has an open front end. The oil inlet nozzle 2 is composed of an oil inlet nozzle joint 201 and an oil inlet nozzle connecting piece 202, and the oil inlet nozzle connecting piece 202 is fixedly arranged in the corresponding oil inlet nozzle installation cavity 6 in a threaded connection mode. The integrated molding is provided with an oil inlet nozzle limiting plate 203 between the oil inlet nozzle connector 201 and the oil inlet nozzle connecting piece 202, the oil inlet nozzle connecting piece 202 is arranged behind the oil inlet nozzle installation cavity 6, and the oil inlet nozzle limiting plate 203 is attached to the front end face of the oil collecting block body 1.
The oil nozzle 3 is composed of an oil nozzle joint 301 and an oil nozzle connecting piece 302, and the oil nozzle connecting piece 302 is fixedly arranged in the corresponding oil nozzle installation cavity 7 in a threaded connection mode. Oil nozzle connects the integration shaping between 301 and the oil nozzle connecting piece 302 and is provided with oil nozzle limiting plate 303, and oil nozzle connecting piece 302 device is behind oil nozzle installation cavity 7, the laminating of oil nozzle limiting plate 303 is in on the rear end face of collection oil piece body 1.
The liquid guide hole 9 is provided in a step shape with a narrow front and a wide rear, and the front end of the compression spring 402 is sleeved on the rear side of the liquid guide hole 9.
The utility model can effectively perform pressure relief in time after the one-way valve 4 is closed, and effectively stop the hydraulic lifting in the hydraulic control pipe when the one-way valve 4 is closed, thereby preventing the equipment from generating excessive vibration when the action is in place; and the compression stroke of the one-way valve 4 can be effectively shortened, so that the operation efficiency is effectively improved, and the service life of the one-way valve is prolonged.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. The utility model provides a hydraulic drive system is with gathering oil piece, includes an oil piece body (1), oil feed mouth (2), goes out oil nozzle (3) and check valve (4), its characterized in that:
the oil collecting block body (1) is provided with a plurality of corresponding communication holes (5) side by side, the front ends of the communication holes (5) are respectively communicated with corresponding oil inlet nozzle installation cavities (6), the oil inlet nozzles (2) are respectively fixedly arranged in the corresponding oil inlet nozzle installation cavities (6), the rear ends of the communication holes (5) are respectively communicated with corresponding oil outlet nozzle installation cavities (7), and the oil outlet nozzles (3) are respectively fixedly arranged in the corresponding oil outlet nozzle installation cavities (7);
a check valve installation cavity (8) is communicated between the front side of the oil outlet nozzle installation cavity (7) and the communication hole (5), the check valve (4) comprises a valve body (401) movably assembled in the check valve installation cavity (8), and compression springs (402) are respectively arranged between the rear ends of the valve body (401) and the corresponding oil outlet nozzles (3) in an extruding manner;
the valve bodies (401) comprise fixing bodies (4011) which are arranged on the rear sides of the one-way valve installation cavities (8) and are provided with guide devices, liquid inlet bodies (4012) are integrally formed on the front sides of the fixing bodies (4011), the liquid inlet bodies (4012) and the fixing bodies (4011) are cylindrical, the diameters of the liquid inlet bodies (4012) are smaller than those of the fixing bodies (4011), sealing bodies (4013) are arranged on the front sides of the liquid inlet bodies (4012) in a circular truncated cone shape, and the sealing bodies (4013) are clamped at the rear ends of the communicating holes (5) in a sealing mode;
the center department of advancing liquid (4012) and fixed body (4011) is equipped with drain hole (9), the both sides of advancing liquid (4012) are provided with feed liquor hole (10) that lead to drain hole (9), the center department of seal (4013) is provided with the backward flow hole (11) that lead to drain hole (9).
2. The oil collecting block for the hydraulic drive system according to claim 1, characterized in that: the front end of the sealing body (4013) is open.
3. The oil collecting block for the hydraulic drive system according to claim 1, characterized in that: the oil inlet nozzle (2) is composed of an oil inlet nozzle joint (201) and an oil inlet nozzle connecting piece (202), and the oil inlet nozzle connecting piece (202) is fixedly arranged in the corresponding oil inlet nozzle installation cavity (6) in a threaded connection mode.
4. An oil collection block for a hydraulic drive system according to claim 3, wherein: the oil inlet nozzle is characterized in that an oil inlet nozzle limiting plate (203) is integrally formed between the oil inlet nozzle connector (201) and the oil inlet nozzle connecting piece (202), the oil inlet nozzle connecting piece (202) is arranged behind the oil inlet nozzle installation cavity (6), and the oil inlet nozzle limiting plate (203) is attached to the front end face of the oil collecting block body (1).
5. The oil collecting block for the hydraulic drive system according to claim 1, characterized in that: the oil nozzle (3) is composed of an oil nozzle joint (301) and an oil nozzle connecting piece (302), and the oil nozzle connecting piece (302) is fixedly arranged in the corresponding oil nozzle installation cavity (7) in a threaded connection mode.
6. The oil collecting block for the hydraulic drive system according to claim 5, wherein: oil outlet nozzle connects between (301) and oil outlet nozzle connecting piece (302) integration shaping and is provided with oil outlet nozzle limiting plate (303), and oil outlet nozzle connecting piece (302) device is behind oil outlet nozzle installation cavity (7), laminating of oil outlet nozzle limiting plate (303) is in on the rear end face of collection oil piece body (1).
7. The oil collecting block for the hydraulic drive system according to claim 1, characterized in that: the liquid guide hole (9) is arranged in a step shape with a narrow front part and a wide rear part, and the front end of the compression spring (402) is sleeved on the rear side of the liquid guide hole (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021205216.9U CN212584043U (en) | 2020-06-24 | 2020-06-24 | Oil collecting block for hydraulic drive system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021205216.9U CN212584043U (en) | 2020-06-24 | 2020-06-24 | Oil collecting block for hydraulic drive system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212584043U true CN212584043U (en) | 2021-02-23 |
Family
ID=74651095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021205216.9U Active CN212584043U (en) | 2020-06-24 | 2020-06-24 | Oil collecting block for hydraulic drive system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212584043U (en) |
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2020
- 2020-06-24 CN CN202021205216.9U patent/CN212584043U/en active Active
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