CN210003596U - hydraulic pull rod for lifting device - Google Patents
hydraulic pull rod for lifting device Download PDFInfo
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- CN210003596U CN210003596U CN201920623068.3U CN201920623068U CN210003596U CN 210003596 U CN210003596 U CN 210003596U CN 201920623068 U CN201920623068 U CN 201920623068U CN 210003596 U CN210003596 U CN 210003596U
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- filter screen
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Abstract
The utility model discloses an hydraulic pressure pull rod for elevating gear, comprising a cylinder body, the front end surface side of cylinder body is opened and is equipped with air current hole, and the front end surface side of cylinder body is opened in addition and is equipped with the second air current hole, side movable mounting of cylinder body has the to connect, and movable mounting has the rotary rod between joint and the cylinder body, side movable mounting has the piston rod in addition of cylinder body, and side fixed mounting that the piston rod kept away from the cylinder body has the second to connect, the inside movable mounting of cylinder body has the piston, and the equal fixed mounting in both ends about the internal surface of cylinder body has the stopper, the inside equal movable mounting in position that is located air current hole of cylinder body and second air current hole has the flabellum, the utility model discloses, can cool down the piston in the cylinder body, improve the life of piston, can prevent that the dust in the air from entering into inside the cylinder body, be convenient.
Description
Technical Field
The utility model relates to a hydraulic pressure pull rod technical field specifically is hydraulic pressure pull rods for elevating gear.
Background
The hydraulic pressure pull rod is kinds of common lifting means, hydraulic actuator who carries out linear reciprocating motion through converting the hydraulic pressure energy in the hydraulic cylinder into mechanical energy, a structure is simple, the operation is reliable, therefore can extensively be applied to elevating gear, but there is definite defect in the hydraulic pressure pull rod for current elevating gear, the long-time motion of piston in the pneumatic cylinder produces high temperature with the pneumatic cylinder friction, the life of piston has been reduced, dust in the air enters into the inside unable normal work of pneumatic cylinder that leads to of pneumatic cylinder easily, some pneumatic cylinders have carried out dustproof treatment, dust easily blocks up filter mechanism after can using for a long time, lead to the unable normal circulation of air.
For this purpose, kinds of hydraulic tie rods for lifting devices are proposed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide kinds of hydraulic pull rods for elevating gear can cool down to the piston in the cylinder body, improve the life of piston, can prevent that the dust in the air from entering into inside the cylinder body, be convenient for simultaneously clear up the dust attached to on the filter screen.
kinds of hydraulic pressure pull rods for elevating gear, including the cylinder body, the front end surface side of cylinder body is opened and is equipped with air current hole, and the front end surface side of cylinder body is opened and is equipped with the second air current hole in addition, side movable mounting of cylinder body has the joint, and movable mounting has the rotary rod between joint and the cylinder body, side movable mounting of cylinder body has the piston rod in addition, and side fixed mounting that the piston rod kept away from the cylinder body has the second joint, the inside movable mounting of cylinder body has the piston, and the equal fixed mounting in both ends has the stopper about the internal surface of cylinder body, the equal movable mounting in position that the inside of cylinder body lies in air current hole and second air current hole has the flabellum.
Thereby the air business turn over cylinder body drives the flabellum and rotates the flow of increase air current, utilize the air current to take away the high temperature that piston and cylinder body friction produced, the life of piston is improved, when the air enters into the inside of cylinder body through air current hole and second air current hole, dust in to the air is filtered through the filter screen, avoid the dust to enter into the cylinder body inside to cause the damage to the cylinder body, when the air in the cylinder body passes through air current hole and second air current hole discharge, the air current promotes the air-permeable plate, thereby the air-permeable plate utilizes the slider to slide in the spout and remove to the filter screen direction, when air-permeable plate and filter screen contact, the thimble on the air-permeable plate penetrates in the filtration pore on the filter screen and clears up the dust on the filter screen, avoid the dust to.
Preferably, the piston rod penetrates through the cylinder body, and the piston rod is movably connected with the piston.
The piston moves in the cylinder body to push the piston rod to extend and retract.
Preferably, an th sealing ring is movably installed between the outer surface of the piston and the inner surface of the cylinder, and a second sealing ring is movably installed between the inner surface of the piston and the outer surface of the piston rod.
The th seal ring and the second seal ring are used for sealing between the cylinder and the piston and between the piston and the piston rod respectively.
Preferably, a filter screen is fixedly mounted at a end of the cylinder body away from the inside of the th airflow hole and the second airflow hole, sliding grooves are formed in the inner surfaces of two sides of the th airflow hole and the second airflow hole, sliding blocks are movably mounted in the sliding grooves, a ventilation plate is fixedly mounted between every two adjacent sliding blocks, and a thimble is fixedly mounted on the outer surface of the end of the ventilation plate close to the filter screen.
When the air enters into the inside of cylinder body through air current hole and second air current hole, filter the dust in the air through the filter screen, avoid the dust to enter into the inside damage that causes the cylinder body of cylinder body, when the air in the cylinder body discharges through air current hole and second air current hole, the air current promotes the air permeability plate, thereby the air permeability plate utilizes the slider to slide in the spout and removes to the filter screen direction, when air permeability plate and filter screen contact, the thimble on the air permeability plate penetrates to clear up the dust on the filter screen in the filtration pore on the filter screen, avoid the dust to block up the filter screen and influence the normal flow of air.
Preferably, the surface of the filter screen is provided with filter holes, and the thimble penetrates through the interior of the filter holes.
Penetrate the filtration pore of filter screen through the thimble, clear up the dust on the filter screen, avoid the filter screen to take place to block up.
Preferably, the th joint and the second joint both have connecting holes on the surface at the front and back both ends.
The th joint and the second joint are connected with the lifting device by the connecting holes respectively.
Preferably, the centers of the cylinder, the piston rod and the piston are located on the same line .
The centers of the cylinder body, the piston rod and the piston are located on the same straight line, so that the piston rod is not easy to deviate when moving.
Compared with the prior art, the beneficial effects of the utility model are that:
thereby the air business turn over cylinder body drives the flabellum and rotates the flow of increase air current, utilize the air current to take away the high temperature that piston and cylinder body friction produced, the life of piston is improved, when the air enters into the inside of cylinder body through air current hole and second air current hole, dust in to the air is filtered through the filter screen, avoid the dust to enter into the cylinder body inside to cause the damage to the cylinder body, when the air in the cylinder body passes through air current hole and second air current hole discharge, the air current promotes the air-permeable plate, thereby the air-permeable plate utilizes the slider to slide in the spout and remove to the filter screen direction, when air-permeable plate and filter screen contact, the thimble on the air-permeable plate penetrates in the filtration pore on the filter screen and clears up the dust on the filter screen, avoid the dust to.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a view of the piston and cylinder assembly of the present invention;
FIG. 3 is a schematic view of the internal structure of the cylinder body of the present invention;
fig. 4 is a schematic view of the airflow hole structure of the present invention.
In the drawing, the air purifier comprises a cylinder body 1, a cylinder body 2, an th air flow hole, a second air flow hole 3, a second air flow hole 4, a th joint, a rotating rod 5, a piston rod 6, a piston rod 7, a second joint 8, a piston 9, a limiting block 10, fan blades 11, a th sealing ring 12, a second sealing ring 21, a filter screen 22, a sliding chute 23, a sliding block 24, a ventilation plate 25 and a thimble.
Detailed Description
The technical solution in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of , but not all embodiments.
Referring to fig. 1-4, the present invention provides technical solutions, wherein hydraulic pull rods for a lifting device are provided, as shown in fig. 1, including a cylinder body 1, a airflow hole 2 is opened on a front end outer surface side of the cylinder body 1, a second airflow hole 3 is opened on another side of the front end outer surface of the cylinder body 1, a joint 4 is movably installed on a side of the cylinder body 1, a rotary rod 5 is movably installed between the joint 4 and the cylinder body 1, a piston rod 6 is movably installed on another side of the cylinder body 1, and a second joint 7 is fixedly installed on an side of the piston rod 6 far away from the cylinder body 1;
as shown in fig. 2-3, a piston 8 is movably mounted inside the cylinder body 1, the upper end and the lower end of the inner surface of the cylinder body 1 are fixedly provided with a limit block 9, fan blades 10 are movably mounted inside the cylinder body 1 at th airflow holes 2 and at the second airflow holes 3, a th sealing ring 11 is movably mounted between the outer surface of the piston 8 and the inner surface of the cylinder body 1, and a second sealing ring 12 is movably mounted between the inner surface of the piston 8 and the outer surface of the piston rod 6;
as shown in fig. 4, a filter screen 21 is fixedly mounted at a end of the insides of the th airflow hole 2 and the second airflow hole 3, which is far away from the cylinder body 1, sliding grooves 22 are respectively formed on the inner surfaces of two sides of the th airflow hole 2 and the second airflow hole 3, sliding blocks 23 are movably mounted inside the sliding grooves 22, a ventilation plate 24 is fixedly mounted between two adjacent sliding blocks 23, and a thimble 25 is fixedly mounted on the outer surface of the ventilation plate 24, which is close to a end of the filter screen 21.
Through adopting above-mentioned technical scheme, thereby the air business turn over cylinder body 1 drives the flow of flabellum 10 rotation increase air current, utilize the air current to take away the high temperature that piston 8 and cylinder body 1 friction produced, improve piston 8's life, when the air enters into the inside of cylinder body 1 through air current hole 2 and second air current hole 3, filter the dust in the air through filter screen 21, avoid the dust to enter into inside the cylinder body 1 of cylinder body and cause the damage to cylinder body 1, when the air in the cylinder body 1 passes through air current hole 2 and second air current hole 3 discharges, the air current promotes air-permeable plate 24, thereby air-permeable plate 24 utilizes slider 23 to slide in spout 22 and remove to filter screen 21 direction, when air-permeable plate 24 and filter screen 21 contact, thimble 25 on the air-permeable plate 24 penetrates in the filtration pore on filter screen 21 and clears up the dust on the filter screen 21, avoid the dust to block up filter screen 21 and influence the normal flow.
Specifically, as shown in fig. 3, the piston rod 6 penetrates through the cylinder 1, and the piston rod 6 is movably connected to the piston 8.
Through adopting above-mentioned technical scheme, thereby move inside cylinder body 1 through piston 8 and promote piston rod 6 and stretch out and draw back.
Specifically, as shown in fig. 2, an -th seal ring 11 is movably installed between the outer surface of the piston 8 and the inner surface of the cylinder 1, and a second seal ring 12 is movably installed between the inner surface of the piston 8 and the outer surface of the piston rod 6.
By adopting the above technical solution, the -th seal ring 11 and the second seal ring 12 are used to seal between the cylinder 1 and the piston 8 and between the piston 8 and the piston rod 6, respectively.
Specifically, as shown in fig. 4, a filter screen 21 is fixedly mounted at a end of the insides of the th air flow hole 2 and the second air flow hole 3, which is far away from the cylinder body 1, sliding grooves 22 are respectively formed in inner surfaces of two sides of the th air flow hole 2 and the second air flow hole 3, sliding blocks 23 are movably mounted in the sliding grooves 22, a ventilation plate 24 is fixedly mounted between two adjacent sliding blocks 23, and a thimble 25 is fixedly mounted on an outer surface of a end of the ventilation plate 24, which is close to the filter screen 21.
Through adopting above-mentioned technical scheme, when the air enters into the inside of cylinder body 1 through air current hole 2 and second air current hole 3, filter the dust in the air through filter screen 21, avoid the dust to enter into inside the cylinder body 1 and cause the damage to cylinder body 1, when the air in the cylinder body 1 discharges through air current hole 2 and second air current hole 3, the air current promotes air-permeable plate 24, thereby air-permeable plate 24 utilizes slider 23 to slide in spout 22 and remove to filter screen 21 direction, when air-permeable plate 24 and filter screen 21 contact, the dust on the filter screen 21 is cleared up in the filtration pore that the thimble 25 on the air-permeable plate 24 penetrates on the filter screen 21, avoid the dust to block up filter screen 21 and influence the normal flow of air.
Specifically, as shown in fig. 4, a filtering hole is formed in the surface of the filtering net 21, and the thimble 25 penetrates through the filtering hole.
Through adopting above-mentioned technical scheme, penetrate the filtration pore of filter screen 21 through thimble 25 in, clear up the dust on the filter screen 21, avoid filter screen 21 to take place to block up.
Specifically, as shown in fig. 1, the th joint 4 and the second joint 7 have connecting holes on the outer surfaces of the front and rear ends.
By adopting the technical scheme, the th joint 4 and the second joint 7 are respectively connected with the lifting device by utilizing the connecting holes.
Specifically, as shown in fig. 1 and 2, the centers of the cylinder 1, the piston rod 6, and the piston 8 are located on the same line .
By adopting the technical scheme, the centers of the cylinder body 1, the piston rod 6 and the piston 8 are positioned on the same straight line, so that the piston rod 6 is not easy to deviate when moving.
The working principle is that the lifting device uses a hydraulic pull rod, air enters the interior of the cylinder body 1 through the th airflow hole 2 to push the piston 8 to move, so that the piston rod 6 extends out of the cylinder body 1, the air enters the interior of the cylinder body 1 through the second airflow hole 3 to push the piston 8 to move in the reverse direction, so that the piston 8 drives the piston rod 6 to retract into the cylinder body 1, at the moment, the air in the cylinder body 1 is discharged through the th airflow hole 2, the air enters and exits the cylinder body 1 to drive the fan blades 10 to rotate, the flow of the air flow is increased, the high temperature generated by friction between the piston 8 and the cylinder body 1 is taken away by the air flow, and.
When the dust filter is used, the -type connector 4 and the second connector 7 are connected with the lifting device through the connecting holes respectively, the orientation of the -type connector 4 can be rotated through the rotating rod 5, then air enters the cylinder 1 through the -type airflow holes 2 to push the piston 8 to move, so that the piston rod 6 extends out of the cylinder 1, the air enters the cylinder 1 through the second airflow holes 3 to push the piston 8 to move reversely, so that the piston 8 drives the piston rod 6 to retract into the cylinder 1, at the moment, the air in the cylinder 1 is discharged through the -type airflow holes 2, the air enters the cylinder 1 and the piston 8 through the cylinder 1 to drive the fan blades 10 to rotate so as to increase the flow of the air, the high temperature generated by friction between the piston 8 and the cylinder 1 is taken away by the air flow, the service life of the piston 8 is prolonged, the air is sealed between the cylinder 1 and the piston 8 and the piston rod 6 by the -type sealing ring 11 and the second sealing ring 12 respectively, the air between the cylinder 1 and the cylinder 8 and the piston rod 6 is limited by the limiting block 9 during the movement of the piston 8, the air enters the airflow holes -type airflow holes 3 of the cylinder 1 to prevent the air from entering the filter screen 21 and the filter screen 21 to prevent the dust filter screen 21 from being damaged when the dust filter screen 21 moves, and the dust filter screen 21 to prevent the dust filter screen 21 from entering the filter screen 21 to block 5924, and the filter screen 21, and the dust filter screen 21 to cause dust filter plate 24.
The installation method comprises the following steps:
, penetrating the piston rod 6 into the cylinder 1 and connecting with the piston 8;
and secondly, connecting the cylinder body 1 and the piston rod 6 with a lifting device by utilizing the th joint 4 and the second joint 7 respectively to complete installation.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
- The hydraulic pull rod for the lifting device comprises a cylinder body (1) and is characterized in that a airflow hole (2) is formed in the side of a side of the outer surface of the front end of the cylinder body (1), a second airflow hole (3) is formed in the other side of the outer surface of the front end of the cylinder body (1), a joint (4) is movably mounted on the side of the cylinder body (1), a rotating rod (5) is movably mounted between the joint (4) and the cylinder body (1), a piston rod (6) is movably mounted on the other side of the cylinder body (1), a second joint (7) is fixedly mounted on the side, far away from the cylinder body (1), a piston (8) is movably mounted inside the cylinder body (1), limiting blocks (9) are fixedly mounted at the upper end and the lower end of the inner surface of the cylinder body (1), and fan blades (10) are movably mounted in positions, located on the airflow hole (2) and the second airflow hole (3), inside the cylinder body (.
- 2. The hydraulic pull rod for lifting device according to claim 1, wherein the piston rod (6) is inserted inside the cylinder (1), and the piston rod (6) is movably connected with the piston (8).
- 3. The hydraulic pull rod for lifting device according to claim 2, wherein a seal ring (11) is movably installed between the outer surface of the piston (8) and the inner surface of the cylinder (1), and a second seal ring (12) is movably installed between the inner surface of the piston (8) and the outer surface of the piston rod (6).
- 4. The hydraulic pull rods for lifting devices according to claim 1, wherein a filter screen (21) is fixedly mounted at ends of the insides of the airflow hole (2) and the second airflow hole (3) far away from the cylinder body (1), sliding grooves (22) are respectively formed in the inner surfaces of two sides of the airflow hole (2) and the second airflow hole (3), sliding blocks (23) are movably mounted in the sliding grooves (22), a ventilation plate (24) is fixedly mounted between every two adjacent sliding blocks (23), and a thimble (25) is fixedly mounted on the outer surface of ends of the ventilation plate (24) close to the filter screen (21).
- 5. The hydraulic pull rod for lifting device according to claim 4, wherein the strainer (21) has a strainer hole on its surface, and the thimble (25) penetrates the strainer hole.
- 6. The hydraulic pull rods for lifting devices, according to claim 1, wherein the joint (4) and the second joint (7) have connection holes on the outer surfaces of the front and rear ends.
- 7. The hydraulic pull rod for lifting device according to claim 1, wherein the centers of the cylinder (1), the piston rod (6) and the piston (8) are located on the same straight line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920623068.3U CN210003596U (en) | 2019-05-05 | 2019-05-05 | hydraulic pull rod for lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920623068.3U CN210003596U (en) | 2019-05-05 | 2019-05-05 | hydraulic pull rod for lifting device |
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| Publication Number | Publication Date |
|---|---|
| CN210003596U true CN210003596U (en) | 2020-01-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920623068.3U Active CN210003596U (en) | 2019-05-05 | 2019-05-05 | hydraulic pull rod for lifting device |
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| CN (1) | CN210003596U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113028183A (en) * | 2021-03-22 | 2021-06-25 | 陈玉霞 | Three-way pipe |
-
2019
- 2019-05-05 CN CN201920623068.3U patent/CN210003596U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113028183A (en) * | 2021-03-22 | 2021-06-25 | 陈玉霞 | Three-way pipe |
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