CN213176248U - Adjustable oil pressure device - Google Patents
Adjustable oil pressure device Download PDFInfo
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- CN213176248U CN213176248U CN202021476786.1U CN202021476786U CN213176248U CN 213176248 U CN213176248 U CN 213176248U CN 202021476786 U CN202021476786 U CN 202021476786U CN 213176248 U CN213176248 U CN 213176248U
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- oil storage
- sealing
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- oil pressure
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Abstract
The utility model discloses an oil pressure unit with adjustable, characterized by: comprises an outer piston rod, an inner piston assembly and a sealing assembly; the outer piston rod is provided with a through hole penetrating through two ends of the outer piston rod, and the through hole is divided into an oil storage section and an adjusting section; the sealing assembly is arranged on a port of the oil storage section, an oil storage cavity is formed between the sealing assembly and the oil storage section, and a liquid outlet which can be opened by oil pressure is formed in the sealing assembly; the inner piston assembly comprises a head and an adjusting rod, the head is located in the oil storage section, the adjusting rod is movably matched in the adjusting section along the axial direction of the outer piston rod, and can drive the piston head to move in the oil storage section and provide oil pressure for the sealing assembly. The utility model discloses can conveniently pour into the hydro-cylinder to oil pressure unit's continuation is used.
Description
Technical Field
The utility model relates to an oil pressure unit with adjustable.
Background
In the field of machine tools, blind rivet guns are an indispensable part of the machine production. Along with the requirements of various industries on the production efficiency are higher and higher, the portability and the practicability of the rivet gun are more and more important, the labor force and the production time can be effectively saved, and the production efficiency is improved.
At present, the rivet pulling gun is driven by pneumatic and oil pressure modes to carry out rivet pulling operation. After the rivet pulling gun is used for a period of time, hydraulic oil in an oil cylinder in the rivet pulling gun can be lost along with the prolonging of the service time, so that the oil pressure is weakened, and the rivet pulling effect is weakened. Therefore, the device needs to be disassembled, and hydraulic oil is injected into the oil cylinder to ensure normal hydraulic pressure. However, the disassembling and re-oiling operations of the rivet gun are troublesome and inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model provides an oil pressure unit with adjustable to prior art's is not enough, the utility model provides an oil pressure unit can conveniently pour into the hydro-cylinder to oil pressure unit's continuation is used.
In order to achieve the above purpose, the utility model provides a following technical scheme:
an adjustable oil pressure device is characterized in that: comprises an outer piston rod, an inner piston assembly and a sealing assembly;
the outer piston rod is provided with a through hole penetrating through two ends of the outer piston rod, and the through hole is divided into an oil storage section and an adjusting section;
the sealing assembly is arranged on a port of the oil storage section, an oil storage cavity is formed between the sealing assembly and the oil storage section, and a liquid outlet which can be opened by oil pressure is formed in the sealing assembly;
the inner piston assembly comprises a head and an adjusting rod, the head is located in the oil storage section, the adjusting rod is movably matched in the adjusting section along the axial direction of the outer piston rod, and can drive the piston head to move in the oil storage section and provide oil pressure for the sealing assembly.
Preferably, the seal assembly comprises a choke seat, a choke core and a spring;
the choke plug seat is fixed on the port of the oil storage section and is provided with a central hole;
the choke plug core comprises a rod body, and a sealing head and a pressure receiving plate which are positioned at two ends of the rod body, the rod body is matched in a central hole of the choke plug seat, and the pressure receiving plate and the sealing head are respectively positioned at the inner side and the outer side of the choke plug seat;
one end of the spring is abutted against the choke plug seat, and the other end of the spring is abutted against the compression plate so as to pull the sealing head to abut against the central hole.
Preferably, the rod body is sleeved with a sealing ring, and the sealing ring is positioned between the sealing head and the choke plug seat.
Preferably, the adjusting rod is in threaded fit connection with the adjusting section.
Preferably, one end of the head part facing the adjusting rod is provided with a connecting groove, and the adjusting rod is provided with a connector which is axially limited and matched in the connecting groove.
The utility model has the advantages that: will store in the hydro-cylinder is injected into to the hydraulic oil that stores up the oil storage intracavity through removing the regulation pole to resume oil pressure unit's original pressure, both made things convenient for and can supply hydraulic oil toward the hydro-cylinder, can make again the utility model discloses can use for a long time.
Drawings
Fig. 1 is a schematic diagram of an adjustable hydraulic apparatus according to the present embodiment.
Detailed Description
The adjustable hydraulic apparatus of the present invention will be further described with reference to fig. 1.
An adjustable oil pressure device is characterized in that: comprises a cylinder 2, an oil cylinder 1, an outer piston rod 3, an inner piston assembly 4 and a sealing assembly 5.
The outer piston rod 3 is internally provided with a through hole penetrating through two ends of the outer piston rod, and the through hole is divided into an oil storage section 31 and an adjusting section 32; the lower part of the outer piston rod 3 is fitted in the cylinder 2 and is connected with the piston head 7, and the upper part is fitted in the cylinder 1. When the rivet pulling device is used, the air is filled into the air cylinder 2 or is exhausted to drive the outer piston rod 3 to move up and down, and the upper end of the outer piston rod 3 drives hydraulic oil to flow in the oil cylinder 1, so that the rivet pulling effect is achieved.
The seal assembly 5 is arranged on a port of the oil storage section 31, an oil storage cavity is formed between the seal assembly and the oil storage section 31, and a liquid outlet which can be opened by oil pressure is formed in the seal assembly.
The inner piston assembly 4 comprises a head 42 and an adjusting rod 41, the head 42 is positioned in the oil storage section 31, the adjusting rod 41 is movably matched in the adjusting section 32 along the axial direction of the outer piston rod 3, can drive the piston head 7 to move in the oil storage section 31, and can provide oil pressure for the sealing assembly.
When the oil injection device is used, when the oil pressure in the oil cylinder 1 is insufficient, the choke plug 8 at the bottom of the air cylinder 2 is opened, the adjusting rod 41 is driven by a tool to move in the adjusting section 32, so that the head 42 is driven to move in the oil storage cavity to generate pressure on the hydraulic oil in the oil storage cavity, the liquid outlet of the sealing component 5 is pressed to be opened, the hydraulic oil in the oil storage cavity is pressed into the oil cylinder 1, and the oil injection effect is achieved; after adjusting pole 41 and stopping removing, seal subassembly 5 no longer pressurized, seal subassembly 5's oil-out is closed, easy operation, extension the utility model discloses a normal life.
The embodiment is further configured as follows: the closure assembly 5 includes a closure base 52, a closure core 51 and a spring 53.
The choke plug seat 52 is welded or screwed to the port of the oil storage section 31, and the choke plug seat 52 has a central hole 521, and the central hole 521 is an oil outlet of the sealing assembly.
The stuffing core 51 comprises a rod body 512, sealing heads 511 and a pressure receiving plate 513, wherein the sealing heads 511 and the pressure receiving plates 513 are positioned at two ends of the rod body 512, the rod body 512 is matched in a central hole 521 of the stuffing seat 52 and can axially move in the central hole 521, the diameter of the rod body 512 is smaller than that of the central hole 521, and the pressure receiving plate 513 and the sealing heads 511 are respectively positioned at the inner side and the outer side of the stuffing seat 52.
One end of the spring 53 abuts against the bulkhead seat 52, and the other end abuts against the pressure receiving plate 513, so as to pull the sealing head 511 to abut against the end face of the central hole 521, and seal the central hole 521.
Under the above structure, when the pressure receiving plate 513 is subjected to the pressure of the hydraulic oil, it will move upward, so that the sealing head 511 is separated from the end surface of the central hole 521, the central hole 521 is opened, and the hydraulic oil in the oil storage chamber will flow into the oil cylinder 1 through the central hole 521; when the oil pressure is not available, the spring 53 pulls the rod body 512 to move downwards, so that the sealing head 511 is attached to the end face of the central hole 521, and the central hole 521 is sealed.
The embodiment is further configured as follows: the rod body 512 is sleeved with a sealing ring 6, and the sealing ring 6 is positioned between the sealing head 511 and the choke plug seat 52. The sealing performance of the sealing component 5 in a sealing state can be obviously improved by the arrangement of the sealing ring 6.
The embodiment is further configured as follows: the adjusting rod 41 is connected with the adjusting section 32 in a threaded fit manner, the lower end face of the adjusting rod 41 is provided with an inner hexagonal groove 412, and the outer piston rod 3 is arranged in the cylinder 2 in a circumferential limiting manner through the piston head 7. The adjusting rod 41 can be rotated relative to the outer piston rod 3 by inserting a hex wrench into the cylinder 2, so that it moves within the adjusting section 32 to inject hydraulic oil into the cylinder 1. The axial limiting matching structure of the outer piston rod 3 and the cylinder 2 is in polygonal matching, namely the piston head 7 and the cavity of the cylinder 2 are in quadrilateral structures in top view; or the circumferential limit is realized by the way of the limit strip and the limit groove
The embodiment is further configured as follows: one end of the head portion 42 facing the adjusting rod 41 is provided with a connecting groove 421, the connecting groove 421 is a necking arrangement, and the adjusting rod 41 is provided with a connecting head 411 which is axially limited and circumferentially and rotatably matched in the connecting groove 421. Under this structure, adjust pole 41 and rotate and the in-process that removes in adjusting the section 32, can be stable promote the head 42 and remove in the oil storage section, improve the stability of oiling, avoid the problem of oil leak simultaneously.
Unless otherwise specified, in the present invention, if the terms "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate an orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing orientation or positional relationship in the present invention are used for illustrative purposes only, and should not be construed as limiting the present patent, specific meanings of the above terms can be understood by those of ordinary skill in the art in light of the specific circumstances in conjunction with the accompanying drawings.
Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are used broadly and encompass both fixed and removable connections, or integral connections; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various 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 (5)
1. An adjustable oil pressure device is characterized in that: comprises an outer piston rod, an inner piston assembly and a sealing assembly;
the outer piston rod is provided with a through hole penetrating through two ends of the outer piston rod, and the through hole is divided into an oil storage section and an adjusting section;
the sealing assembly is arranged on a port of the oil storage section, an oil storage cavity is formed between the sealing assembly and the oil storage section, and a liquid outlet which can be opened by oil pressure is formed in the sealing assembly;
the inner piston assembly comprises a head and an adjusting rod, the head is located in the oil storage section, the adjusting rod is movably matched in the adjusting section along the axial direction of the outer piston rod, and can drive the piston head to move in the oil storage section and provide oil pressure for the sealing assembly.
2. The adjustable oil pressure device according to claim 1, wherein: the sealing assembly comprises a choke seat, a choke core and a spring;
the choke plug seat is fixed on the port of the oil storage section and is provided with a central hole;
the choke plug core comprises a rod body, and a sealing head and a pressure receiving plate which are positioned at two ends of the rod body, the rod body is matched in a central hole of the choke plug seat, and the pressure receiving plate and the sealing head are respectively positioned at the inner side and the outer side of the choke plug seat;
one end of the spring is abutted against the choke plug seat, and the other end of the spring is abutted against the compression plate so as to pull the sealing head to abut against the central hole.
3. The adjustable oil pressure device according to claim 2, wherein: the rod body is sleeved with a sealing ring, and the sealing ring is located between the sealing head and the choke plug seat.
4. The adjustable oil pressure device according to claim 1, wherein: the adjusting rod and the adjusting section are in threaded fit connection.
5. The adjustable oil pressure device according to claim 1, wherein: the head is provided with the spread groove towards the one end of adjusting the pole, it has the axial connector of spacing cooperation in the spread groove to adjust the pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021476786.1U CN213176248U (en) | 2020-07-23 | 2020-07-23 | Adjustable oil pressure device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021476786.1U CN213176248U (en) | 2020-07-23 | 2020-07-23 | Adjustable oil pressure device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213176248U true CN213176248U (en) | 2021-05-11 |
Family
ID=75794747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021476786.1U Active CN213176248U (en) | 2020-07-23 | 2020-07-23 | Adjustable oil pressure device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213176248U (en) |
-
2020
- 2020-07-23 CN CN202021476786.1U patent/CN213176248U/en active Active
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