CN218760660U - Variable volume oil storage mechanism and hydraulic power system - Google Patents
Variable volume oil storage mechanism and hydraulic power system Download PDFInfo
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- CN218760660U CN218760660U CN202223399050.0U CN202223399050U CN218760660U CN 218760660 U CN218760660 U CN 218760660U CN 202223399050 U CN202223399050 U CN 202223399050U CN 218760660 U CN218760660 U CN 218760660U
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Abstract
The utility model discloses a variable volume oil storage mechanism and hydraulic power system, variable volume oil storage mechanism includes major structure, hydraulic oil and oil storage bag, and the oil storage bag is the tube-shape, and the both ends of oil storage bag all link to each other with major structure through fixed knot to enclose the oil storage space that cuts off with the external world between major structure and oil storage bag, correspondingly, the last oil return circuit that communicates the oil storage space that is equipped with of major structure, hydraulic oil place in the oil storage space, and the oil storage bag chooses for use deformable flexible material to make. The hydraulic power system comprises the variable-volume oil storage mechanism. The variable-volume oil storage mechanism is characterized in that the oil storage bag is made of a deformable flexible material, so that the oil storage bag has deformation capacity, and when the volume of hydraulic oil changes, the oil storage bag can change along with the change of the volume of an oil storage space, so that the pressure in the oil storage space is kept at normal pressure, and the negative pressure problem is not needed to be worried.
Description
Technical Field
The utility model belongs to the technical field of the oil storage structure, concretely relates to variable volume oil storage mechanism and hydraulic power system.
Background
The hydraulic power source oil storage mechanism is a storage device commonly called an oil tank. The existing hydraulic power source oil storage mechanism exists in a closed box body state, and in order to solve the problem that negative pressure is generated when the space becomes smaller after hydraulic oil in an oil tank is used, an exhaust hole is often additionally arranged to be communicated with the atmosphere, or a vent valve and other mechanisms are additionally arranged. Meanwhile, the exhaust holes are formed in the highest position of the oil tank, and the oil tank is relatively fixed in installation.
Such product designs suffer from the following drawbacks:
1. the oil tank is provided with holes and exhaust valves, and the installation angle and direction are also strictly required, so that the limitation of the oil tank installation is increased;
2. when the angle and the position of the oil tank are changed relatively, the oil tank solution is easy to leak out to pollute equipment and environment;
3. when the hole and the exhaust valve of the oil tank are damaged or blocked, the normal operation of equipment is influenced, and even the equipment can be damaged;
4. for some special fields, when the oil tank is required to have no holes or leakage, the design often causes the equipment to be incapable of working normally or fail. For example, in the medical industry, the lifting bed uses integral type power cylinder, and the existence of present market all is closed power supply oil tank design, receives hydraulic pressure oil mass and ambient temperature change influence very big, causes the product to use the limitation, and inefficacy or can not the behavior greatly increased.
5. The exhaust valve is installed for solving the problem that the pressure in the oil tank changes, the product is often required to have enough space, and certain space requirements are provided for the whole product mechanism.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a variable volume oil storage mechanism and hydraulic power system for solve the above-mentioned problem that exists among the prior art.
In order to realize the purpose, the utility model adopts the following technical scheme:
in a first aspect, the utility model provides a variable volume oil storage mechanism, including major structure, hydraulic oil and oil storage bag, the oil storage bag is the tube-shape, and the both ends of oil storage bag all link to each other with major structure through fixed knot structure to enclose the oil storage space that cuts off with the external world between major structure and oil storage bag, correspondingly, the last oil circuit that feeds through the oil storage space that is equipped with of major structure, hydraulic oil are placed in the oil storage space, and the oil storage bag chooses for use deformable flexible material to make.
In one possible design, the main body structure comprises a valve block, an inner cylinder barrel and a plunger rod, one end of the inner cylinder barrel is inserted on the valve block, the other end of the inner cylinder barrel extends outwards, and the plunger rod is arranged on the inner cylinder barrel in a sliding mode;
the oil utilization loop is arranged on the valve block and is communicated with the oil storage space and the inner cylinder barrel; and a control plug for controlling the on-off of the oil loop is arranged on the valve block.
In one possible design, the oil loop comprises an oil supply path and an oil return path, and the oil supply path and the oil return path are respectively provided with a one-way valve;
when the plunger rod slides along the inner cylinder barrel, the plunger rod enables the control plug to slide through hydraulic oil, one of the oil supply path and the oil return path is closed through the sliding of the control plug, and the other one of the oil supply path and the oil return path is communicated.
In one possible design, the securing structure includes a compression ring at one end of the reservoir and a buckle at the other end of the reservoir.
In one possible design, the oil storage bladder is made of oil and temperature resistant rubber.
In a second aspect, the present invention provides a hydraulic power system, including the variable volume oil storage mechanism.
Has the advantages that:
the variable-volume oil storage mechanism is characterized in that the oil storage bag is made of a deformable flexible material, so that the oil storage bag has deformation capacity, and when the volume of hydraulic oil changes, the oil storage bag can change along with the change of the volume of an oil storage space, so that the pressure in the oil storage space is kept at normal pressure, and the negative pressure problem is not needed to be worried.
Based on this, variable volume oil storage mechanism and hydraulic power system have solved because the oil mass changes the problem that leads to appearing the negative pressure, and compare in prior art, need not to add structures such as exhaust hole, discharge valve. Then, the whole volume is reduced, the requirements of the variable volume oil storage mechanism on space, angle and direction during installation are reduced, and the whole installation difficulty is reduced; because no part needs to be additionally arranged, corresponding mounting gaps are reduced, and the sealing performance of the variable-volume oil storage mechanism is better, hydraulic oil cannot easily leak when the angle and the position are changed relatively in the use process; the problem that holes and exhaust valves are damaged or blocked is solved, normal operation of the equipment is more stable, the equipment can be effectively applied to special fields, and the application range is expanded.
Drawings
Fig. 1 is a schematic structural diagram of a variable volume oil storage mechanism.
In the figure:
1. a body structure; 11. a valve block; 12. an inner cylinder barrel; 13. a plunger rod; 2. an oil reservoir bladder; 3. an oil storage space; 4. an oil-using loop; 5. a control plug; 61. pressing a ring; 62. and (6) buckling.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be briefly described below with reference to the accompanying drawings and the description of the embodiments or the prior art, and it is obvious that the following description of the structure of the accompanying drawings is only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without any inventive work. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto.
Example (b):
in order to solve the problems of the existing hydraulic power source oil storage mechanism, the variable volume oil storage mechanism is provided, the oil storage bag 2 is made of deformable flexible materials, so that the oil storage bag 2 has the deformation capability, when the volume of hydraulic oil changes, the oil storage bag 2 can change along with the change of the volume of the oil storage space 3, the pressure in the oil storage space 3 is kept at normal pressure, and the negative pressure problem does not need to be worried about.
Based on this, variable volume oil storage mechanism and hydraulic power system have solved because the oil mass changes the problem that leads to appearing the negative pressure, and compare in prior art, need not to add structures such as exhaust hole, discharge valve. Then, the whole volume is reduced, the requirements of the variable volume oil storage mechanism on space, angle and direction during installation are reduced, and the whole installation difficulty is reduced; because no part needs to be additionally arranged, corresponding mounting gaps are reduced, and the sealing performance of the variable-volume oil storage mechanism is better, hydraulic oil cannot easily leak when the angle and the position are changed relatively in the using process; the problem that holes and exhaust valves are damaged or blocked is solved, normal operation of the equipment is more stable, the equipment can be effectively applied to special fields, and the application range is expanded.
As shown in fig. 1, a variable volume oil storage mechanism, including major structure 1, hydraulic oil and oil storage bag 2, oil storage bag 2 is the tube-shape, and the both ends of oil storage bag 2 all link to each other with major structure 1 through fixed knot structure to enclose into the oil storage space 3 with external wall between major structure 1 and oil storage bag 2, correspondingly, be equipped with the oil return circuit 4 that communicates oil storage space 3 on the major structure 1, hydraulic oil places in oil storage space 3, and oil storage bag 2 chooses for use deformable flexible material to make.
Wherein, oil storage bag 2 links to each other with major structure 1 through fixed knot structure, and oil storage bag 2 encloses into oil storage space 3 with major structure 1, and oil storage space 3 is through with oil return circuit 4 and major structure 1 intercommunication and realize the output and the backward flow of hydraulic oil. Specifically, when the hydraulic oil is output through the main body structure 1, the part of the hydraulic oil remaining in the oil storage bag 2 is reduced, the oil storage bag 2 deforms under the action of atmospheric pressure, the oil storage space 3 is reduced, and negative pressure generated in the oil storage bag 2 is avoided; when the hydraulic oil flows back through the main structure 1, the oil storage bag 2 is gradually filled with the hydraulic oil, and the oil storage bag 2 deforms under the action of the hydraulic oil and enables the oil storage space 3 to be enlarged. Based on this, the oil storage bag 2 can realize warping under hydraulic oil and atmospheric pressure combined action to make the volume adaptation of oil storage space 3 in the volume of the hydraulic oil in the oil storage bag 2, effectively avoided the phenomenon that the oil storage bag 2 negative pressure appears after hydraulic oil reduces.
The oil circuit 4 is used for communication, optionally, the oil circuit 4 comprises at least one oil path, and when the oil circuit 4 comprises one oil path, the oil path is used for oil supply and oil return; when the oil circuit 4 includes two oil passages, one of the two oil passages is used for oil supply and the other is used for oil return; when the oil circuit 4 includes three oil passages, one is for supplying oil, one is for returning oil, and the other is an auxiliary oil passage. Furthermore, two to three oil paths are used as an oil using group, each oil using group is connected with a terminal, and a plurality of oil using groups can be arranged on the main body structure 1, so that one-to-many connection can be realized on the basis of ensuring oil supply.
Meanwhile, the main body structure 1 may be constructed in any suitable structure, and the present invention is not limited thereto.
In a possible implementation scheme, as shown in fig. 1, the main body structure 1 includes a valve block 11, an inner cylinder 12 and a plunger rod 13, one end of the inner cylinder 12 is inserted into the valve block 11, the other end of the inner cylinder 12 extends outwards, and the plunger rod 13 is slidably disposed on the inner cylinder 12; the oil utilization loop 4 is arranged on the valve block 11, and the oil utilization loop 4 is communicated with the oil storage space 3 and the inner cylinder 12; the valve block 11 is provided with a control plug 5 for controlling the on/off of the oil circuit 4.
Based on above-mentioned design, valve block 11 and 12 valley bottoms of inner cylinder are connected to form fixed knot and realize stable the being connected with oil storage bag 2, plunger rod 13 slides and sets up in inner cylinder 12, forms the separation through plunger rod 13 on the one hand, in order to form airtight space, avoids hydraulic oil to leak, and on the other hand is used for carrying hydraulic oil through plunger rod 13, and push and pull plunger rod 13 along inner cylinder 12 promptly for reciprocating sliding of plunger rod 13, simultaneously, hydraulic oil is inhaled in inner cylinder 12 or is sent back to in oil storage space 3.
The sliding of the plunger rod 13 will drive the control plug 5 to slide, and the control plug 5 is used for controlling the on-off of the oil loop 4, so as to ensure that the hydraulic oil flows in one direction in the flowing process, and ensure higher working pressure.
In a possible implementation manner, the oil loop 4 includes an oil supply path and an oil return path, and the oil supply path and the oil return path are respectively provided with a one-way valve; when the plunger rod 13 slides along the inner cylinder 12, the plunger rod 13 slides the control plug 5 through hydraulic oil, and the control plug 5 slides to close one of the oil supply path and the oil return path and communicate the other.
Based on the above design, when the oil circuit 4 includes two oil paths, one of the two oil paths is used for supplying oil, and the other is used for returning oil. The sliding of the control plug 5 plays a role in starting operation, so that hydraulic oil is ensured to flow in a unidirectional mode in the flowing process, and higher working pressure is ensured. Meanwhile, a one-way valve is used for ensuring one-way flow.
In one possible implementation, the securing structure includes a compression ring 61 at one end of the reservoir 2 and a buckle 62 at the other end of the reservoir 2. Based on the design scheme, the pressing ring 61 can adjust the pressing force and also plays a role in positioning; the ring 62 is a ring buckle, and the ring 62 can be configured in any suitable shape to fit the outer circumference of the main body structure 1.
In one possible implementation, the oil storage bladder 2 is made of oil-resistant and temperature-resistant rubber. Based on the design scheme, the rubber is divided into natural rubber and synthetic rubber. The natural rubber is prepared by extracting colloid from plants such as rubber tree and rubber grass and processing; synthetic rubbers are obtained by polymerization of various monomers. The rubber is of various types, and the variable-volume oil storage mechanism is made of any suitable rubber with oil resistance and temperature resistance.
The present embodiment introduces a hydraulic power system based on the variable volume oil storage mechanism, and the hydraulic power system includes the variable volume oil storage mechanism. Based on this, according to the difference of function, hydraulic power system can add the functional module of any suitable kind on the basis of variable volume oil storage mechanism to satisfy the demand of in-service use.
Finally, it should be noted that: the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a variable volume oil storage mechanism, a serial communication port, including major structure (1), hydraulic oil and oil storage bag (2), oil storage bag (2) are the tube-shape, the both ends of oil storage bag (2) all link to each other through fixed knot constructs with major structure (1), enclose between major structure (1) and oil storage bag (2) and become with external oil storage space (3) that cut off, correspondingly, be equipped with oil return circuit (4) that communicate oil storage space (3) on major structure (1), hydraulic oil places in oil storage space (3), oil storage bag (2) select for use deformable flexible material to make.
2. The variable-volume oil storage mechanism according to claim 1, wherein the main body structure (1) comprises a valve block (11), an inner cylinder (12) and a plunger rod (13), one end of the inner cylinder (12) is inserted into the valve block (11), the other end of the inner cylinder (12) extends outwards, and the plunger rod (13) is slidably arranged on the inner cylinder (12);
the oil-using loop (4) is arranged on the valve block (11), and the oil-using loop (4) is communicated with the oil storage space (3) and the inner cylinder barrel (12); the valve block (11) is provided with a control plug (5) for controlling the on-off of the oil loop (4).
3. The variable-volume oil storage mechanism according to claim 2, wherein the oil circuit (4) comprises an oil supply circuit and an oil return circuit, and the oil supply circuit and the oil return circuit are respectively provided with a one-way valve;
when the plunger rod (13) slides along the inner cylinder (12), the plunger rod (13) enables the control plug (5) to slide through hydraulic oil, and the control plug (5) enables one of the oil supply path and the oil return path to be closed and the other to be communicated through sliding.
4. A variable volume oil storage mechanism according to claim 1, characterised in that the fixing structure comprises a press ring (61) at one end of the oil reservoir (2) and a clasp (62) at the other end of the oil reservoir (2).
5. The variable-volume oil storage mechanism according to claim 1, wherein the oil storage bag (2) is made of oil-resistant and temperature-resistant rubber.
6. A hydraulic power system comprising a variable volume oil storage mechanism according to any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223399050.0U CN218760660U (en) | 2022-12-14 | 2022-12-14 | Variable volume oil storage mechanism and hydraulic power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223399050.0U CN218760660U (en) | 2022-12-14 | 2022-12-14 | Variable volume oil storage mechanism and hydraulic power system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218760660U true CN218760660U (en) | 2023-03-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223399050.0U Active CN218760660U (en) | 2022-12-14 | 2022-12-14 | Variable volume oil storage mechanism and hydraulic power system |
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| Country | Link |
|---|---|
| CN (1) | CN218760660U (en) |
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- 2022-12-14 CN CN202223399050.0U patent/CN218760660U/en active Active
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