CN216407357U - Hydraulic cylinder with multifunctional protection mechanism - Google Patents
Hydraulic cylinder with multifunctional protection mechanism Download PDFInfo
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- CN216407357U CN216407357U CN202123404751.4U CN202123404751U CN216407357U CN 216407357 U CN216407357 U CN 216407357U CN 202123404751 U CN202123404751 U CN 202123404751U CN 216407357 U CN216407357 U CN 216407357U
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Abstract
The utility model relates to the technical field of hydraulic oil cylinders, in particular to a hydraulic oil cylinder with a multifunctional protection mechanism, which comprises a cylinder barrel, a piston rod and a protection mechanism fixed on the outer side of the cylinder barrel, wherein the protection mechanism comprises a protection cover formed by enclosing an upper cover plate, a lower cover plate and a cylindrical pipe, a pipe body of the cylindrical pipe is provided with a strip-shaped heat dissipation hole, the lower end of the strip-shaped heat dissipation hole is provided with a positioning rotating shaft, the upper end of the strip-shaped heat dissipation hole is provided with an inner fixed sealing edge and an outer fixed sealing edge, a movable plate is sleeved on the outer side of the positioning rotating shaft, the free end of the movable plate is provided with an inner movable sealing edge and an outer movable sealing edge, the free end of the movable plate is connected with the upper side part of the inner fixed sealing edge through a tension spring, and a driving assembly is installed inside the protection cover. The hydraulic cylinder is reasonable in structural design, manual operation is not needed for closing and opening the strip-shaped heat dissipation holes, the operation is simple and convenient, and the requirement that the hydraulic cylinder is installed in the limited inner space of mechanical equipment is met.
Description
Technical Field
The utility model relates to the technical field of hydraulic oil cylinders, in particular to a hydraulic oil cylinder with a multifunctional protection mechanism.
Background
The hydraulic cylinder is a hydraulic actuating element which converts hydraulic energy into mechanical energy and makes linear reciprocating motion (or swinging motion); it has simple structure and reliable work; when the reciprocating motion is realized by using the reciprocating motion device, a speed reducing device can be omitted, no transmission gap exists, and the reciprocating motion is stable, so that the reciprocating motion device is widely applied to hydraulic systems of various machines; the output force of the hydraulic cylinder is in direct proportion to the effective area of the piston and the pressure difference between the two sides of the piston. The traditional hydraulic oil cylinder is lack of an effective protection device when in use, and after the traditional hydraulic oil cylinder is damaged, a lot of inconvenience is brought to the use of workers.
To this end, patent specification CN214036337U discloses a hydraulic cylinder guard comprising: the protective box, the protective cover and the hydraulic oil cylinder body; and one end of the Z-shaped mounting rod is fixed on one side of the hydraulic oil cylinder body. Through setting up protective housing and protective cover, can make things convenient for the staff to protect the hydraulic cylinder body, and the protective housing is detachable connection with the hydraulic cylinder body, can make things convenient for the staff to ann to tear it open through adopting detachable connection, meanwhile, through the setting of louvre, can be convenient for dispel the heat to the hydraulic cylinder body, thereby be convenient for prolong the life of hydraulic cylinder body, when the hydraulic cylinder body need not the heat dissipation, the accessible removes the cystosepiment, make the packing piece get into the inside of louvre, can accomplish the closure of louvre.
However, the hydraulic cylinder protection device still has the defects that manual operation is needed for closing and opening the heat dissipation holes, the operation is complex, and when the hydraulic cylinder is installed in the limited inner space of mechanical equipment, the hydraulic cylinder protection device does not have enough space to support the manual operation. Therefore, it is necessary to optimize and improve it.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the problems in the prior art and provide a hydraulic oil cylinder with a multifunctional protection mechanism.
In order to achieve the technical purpose and achieve the technical effect, the utility model is realized by the following technical scheme:
a hydraulic oil cylinder with a multifunctional protection mechanism comprises a cylinder barrel, a piston rod and a protection mechanism fixed on the outer side of the cylinder barrel, the protection mechanism comprises a protection cover which is formed by an upper cover plate, a lower cover plate and a cylindrical pipe in a surrounding way, a plurality of strip-shaped heat dissipation holes are uniformly formed in the pipe body of the cylindrical pipe along the circumferential direction, the lower end of the cylindrical pipe positioned at the strip-shaped heat dissipation hole is provided with a positioning rotating shaft, the upper end of the strip-shaped heat dissipation hole is provided with an inner fixed sealing edge and an outer fixed sealing edge positioned above the inner fixed sealing edge, a movable plate is sleeved outside the positioning rotating shaft, the free end of the movable plate is provided with an inner movable sealing edge and an outer movable sealing edge positioned above the inner movable sealing edge, the free end of the movable plate is connected with the upper side part of the inner fixed sealing edge through an extension spring, and a driving assembly used for driving the movable plate to overcome the acting force of the extension spring to turn outwards and further expose the strip-shaped heat dissipation holes is arranged in the protective cover.
Furthermore, in the hydraulic cylinder with the multifunctional protection mechanism, the upper cover plate is provided with a movable hole matched with the piston rod, the upper cover plate is fixed on the upper end face of the cylinder barrel, and the lower cover plate is fixed on the lower end face of the cylinder barrel.
Furthermore, in the hydraulic oil cylinder with the multifunctional protection mechanism, the length direction of the strip-shaped heat dissipation holes is parallel to the axis direction of the cylindrical pipe.
Furthermore, in the hydraulic cylinder with the multifunctional protection mechanism, the inner fixed sealing edge and the inner movable sealing edge form an inner sealing structure, and the outer fixed sealing edge and the outer movable sealing edge form an outer sealing structure.
Furthermore, in the above-mentioned hydraulic cylinder with multi-functional protection mechanism, the drive assembly includes movable push pedal, guide bar, actuating lever and driving motor, be equipped with in the movable push pedal with guide bar complex direction slide opening and with actuating lever in the screw section complex screw hole, the both ends of guide bar are fixed with upper cover plate, lower cover plate respectively, the inboard of lower cover plate is fixed with driving motor, driving motor's output shaft links firmly through the shaft coupling with the one end of actuating lever, the inboard of fly leaf is equipped with the inclined plane.
Furthermore, in the hydraulic oil cylinder with the multifunctional protection mechanism, the driving motor is a forward and reverse rotating motor.
The utility model has the beneficial effects that:
the hydraulic cylinder is reasonable in structural design, manual operation is not needed for closing and opening the strip-shaped heat dissipation holes, the driving assembly is arranged in the protective cover, the movable plate can be driven to overturn outwards to expose the strip-shaped heat dissipation holes by overcoming the acting force of the extension spring, the operation is simple and convenient, and the requirement that the hydraulic cylinder is installed in the limited inner space of mechanical equipment is met.
Of course, it is not necessary for any one product that embodies the utility model to achieve all of the above advantages simultaneously.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a positioning shaft according to the present invention;
FIG. 3 is a schematic view of a movable plate according to the present invention;
FIG. 4 is a schematic structural view of a movable push plate according to the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1-cylinder barrel, 2-upper cover plate, 3-lower cover plate, 4-cylindrical pipe, 5-strip-shaped heat dissipation hole, 6-positioning rotating shaft, 7-movable plate, 8-internal fixed sealing edge, 9-external fixed sealing edge, 10-internal movable sealing edge, 11-external movable sealing edge, 12-extension spring, 13-movable push plate, 14-guide rod, 15-driving rod, 16-screw rod section, 17-driving motor, 18-guide slide hole and 19-screw rod hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present embodiment is a hydraulic cylinder with a multifunctional protection mechanism, which includes a cylinder barrel 1, a piston rod, and a protection mechanism fixed outside the cylinder barrel 1. The protection mechanism comprises a protection cover which is formed by enclosing an upper cover plate 2, a lower cover plate 3 and a cylindrical pipe 4, wherein the upper cover plate 2 is provided with a movable hole matched with the piston rod, the upper cover plate 2 is fixed on the upper end face of the cylinder barrel 1, and the lower cover plate 3 is fixed on the lower end face of the cylinder barrel 1. A plurality of strip-shaped heat dissipation holes 5 are uniformly formed in the tube body of the cylindrical tube 4 along the circumferential direction, and the length direction of each strip-shaped heat dissipation hole 5 is parallel to the axis direction of the cylindrical tube 4.
In this embodiment, the cylindrical tube 4 is provided with a positioning shaft 6 at the lower end of the strip-shaped heat dissipation hole 5. The upper end of the cylindrical pipe 4, which is positioned at the strip-shaped heat dissipation hole 5, is provided with an inner fixed sealing edge 8 and an outer fixed sealing edge 9 positioned above the inner fixed sealing edge, the outer side of the positioning rotating shaft 6 is sleeved with a movable plate 7, the free end of the movable plate 7 is provided with an inner movable sealing edge 10 and an outer movable sealing edge 11 positioned above the inner movable sealing edge, the inner fixed sealing edge 8 and the inner movable sealing edge 10 form an inner sealing structure, and the outer fixed sealing edge 9 and the outer movable sealing edge 11 form an outer sealing structure.
In this embodiment, the free end of the movable plate 7 is connected to the upper portion of the inner fixed sealing edge 8 through the extension spring 12, and a driving assembly for driving the movable plate 7 to turn outwards against the action of the extension spring is installed inside the protective cover, so as to expose the strip-shaped heat dissipation holes 5.
In this embodiment, the driving assembly includes a movable pushing plate 13, a guide rod 14, a driving rod 15 and a driving motor 17, and the axes of the guide rod 14 and the driving rod 15 are parallel to the axial direction of the cylindrical tube 4. The movable push plate 13 is provided with a guide slide hole 18 which is matched with the guide rod 14 and a screw rod hole 19 which is matched with the screw rod section 16 in the driving rod 15. Two ends of the guide rod 14 are respectively fixed with the upper cover plate 2 and the lower cover plate 3, the inner side of the lower cover plate 3 is fixed with a driving motor 17, the driving motor 17 is a forward and reverse rotating motor, an output shaft of the driving motor 17 is fixedly connected with one end of the driving rod 15 through a coupler, and the inner side of the movable plate 7 is provided with an inclined plane.
One specific application of this embodiment is: this embodiment structural design is reasonable, and the closing and opening of its bar louvre do not need manual operation, has drive assembly at the internally mounted of protection casing, and when hydraulic cylinder work and need the heat dissipation, drive assembly's driving motor 17 forward rotation, and then drive movable push pedal 13 and shift up, and movable push pedal 13 contacts and promotes it and overcomes the outside upset of extension spring effort with the inboard inclined plane of fly leaf 7, and then exposes bar louvre 5. When the hydraulic oil cylinder does not work and does not need heat dissipation, the driving motor 17 of the driving assembly rotates reversely to drive the movable push plate 13 to move downwards, the movable plate 7 overturns outwards under the action of the extension spring 12, and the strip-shaped heat dissipation holes 5 are sealed to prevent dust. The device has rich functions, is simple and convenient to operate, and meets the requirement that the hydraulic oil cylinder is arranged in the limited inner space of mechanical equipment.
The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not exhaustive and do not limit the utility model to the precise embodiments. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides a hydraulic cylinder with multi-functional protection machanism which characterized in that: including cylinder, piston rod and fix the safeguard mechanism in the cylinder outside, safeguard mechanism includes the protection casing that is enclosed by upper cover plate, lower apron, cylindrical pipe, a plurality of bar louvres have evenly been seted up along circumference to the body of cylindrical pipe, the cylindrical pipe is located the lower extreme of bar louvre and is equipped with the location pivot, is located the outer fixed seal limit that the upper end of bar louvre was equipped with interior fixed seal limit and was located its top, the outside cover of location pivot is equipped with the fly leaf, the free end of fly leaf is equipped with interior movable seal limit and is located the outer movable seal limit of its top, the free end of fly leaf is connected with the upside part on interior fixed seal limit through extension spring, the internally mounted of protection casing is used for driving the fly leaf to overcome the outside upset of extension spring effort, and then exposes the drive assembly of bar.
2. The hydraulic ram with a multifunction guard mechanism of claim 1, wherein: the upper cover plate is provided with a movable hole matched with the piston rod, the upper cover plate is fixed on the upper end face of the cylinder barrel, and the lower cover plate is fixed on the lower end face of the cylinder barrel.
3. The hydraulic ram with a multifunction guard mechanism of claim 1, wherein: the length direction of the strip-shaped heat dissipation holes is parallel to the axis direction of the cylindrical pipe.
4. The hydraulic ram with a multifunction guard mechanism of claim 1, wherein: the inner fixed sealing edge and the inner movable sealing edge form an inner sealing structure, and the outer fixed sealing edge and the outer movable sealing edge form an outer sealing structure.
5. The hydraulic ram with a multifunction guard mechanism of claim 1, wherein: the drive assembly includes activity push pedal, guide bar, actuating lever and driving motor, be equipped with in the activity push pedal with guide bar complex direction slide opening and with actuating lever in the screw section complex screw hole, the both ends of guide bar are fixed with upper cover plate, lower apron respectively, the inboard of apron is fixed with driving motor down, driving motor's output shaft links firmly through the one end of shaft coupling with the actuating lever, the inboard of fly leaf is equipped with the inclined plane.
6. The hydraulic ram with a multifunction guard mechanism of claim 5, wherein: the driving motor is a forward and reverse rotating motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123404751.4U CN216407357U (en) | 2021-12-30 | 2021-12-30 | Hydraulic cylinder with multifunctional protection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123404751.4U CN216407357U (en) | 2021-12-30 | 2021-12-30 | Hydraulic cylinder with multifunctional protection mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216407357U true CN216407357U (en) | 2022-04-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123404751.4U Active CN216407357U (en) | 2021-12-30 | 2021-12-30 | Hydraulic cylinder with multifunctional protection mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216407357U (en) |
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2021
- 2021-12-30 CN CN202123404751.4U patent/CN216407357U/en active Active
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