CN213655291U

CN213655291U - Novel pneumatic/hydraulic cylinder end point buffer structure

Info

Publication number: CN213655291U
Application number: CN202021985801.5U
Authority: CN
Inventors: 简新锋
Original assignee: Taicang Ninaka Fluid Power Co ltd
Current assignee: Taicang Ninaka Fluid Power Co ltd
Priority date: 2020-09-11
Filing date: 2020-09-11
Publication date: 2021-07-09
Anticipated expiration: 2030-09-11

Abstract

The utility model relates to a novel pneumatic and hydraulic cylinder endpoint buffer structure, which comprises a pneumatic cylinder and a first cylinder pipe, wherein one end of the first cylinder pipe is provided with a first front cover, the other end of the first cylinder pipe is provided with a first rear cover, a first piston rod is placed inside the first cylinder pipe, and one end of the first piston rod penetrates through the inner wall of the first front cover to reach the outside of the first front cover; the outer side surfaces of the first piston rod and the second piston rod are additionally provided with a buffering front plug and a buffering rear plug, the outer side surfaces of the buffering front plug and the buffering rear plug are additionally provided with a first buffer groove and a second buffer groove, the piston body and the second sealing ring drive the first piston rod and the second sealing ring to move, the first buffer groove and the second buffer groove slow the speed of entering air and oil, the rebound strength of the piston body and the second sealing ring is reduced, the total time of the air and the oil cylinder from the front end point to the rear end point is reduced, and the production efficiency of equipment is improved.

Description

Novel pneumatic/hydraulic cylinder end point buffer structure

Technical Field

The utility model belongs to the technical field of the pressure cylinder, concretely relates to novel gas, oil pressure cylinder endpoint buffer structure.

Background

The pressure cylinder comprises an air cylinder and an oil cylinder, the prior traditional air cylinder and oil cylinder expose some problems in the use process, when the moving speed of a piston rod of the air cylinder and the oil cylinder is very high, when the air cylinder and the oil cylinder are not throttled and decelerated, a buffer plug enters a preposed deceleration area to cause a rebound phenomenon because of untimely exhaust or oil discharge, the total time for the whole air cylinder and the oil cylinder to travel from a front end point to a rear end point is too long, the production efficiency is influenced, meanwhile, the stroke of the piston rod of the air cylinder and the oil cylinder is inaccurate due to vibration, the air cylinder and the oil cylinder can generate vibration, the internal parts of the air cylinder and the oil cylinder can deviate when the air cylinder and the oil cylinder vibrate, the sealing effect of the air cylinder and the oil cylinder is reduced, when the air cylinder and the oil cylinder vibrate strongly, the internal parts of equipment can be directly deformed, the air cylinder and the oil cylinder can be damaged, and the problems exposed in the use process of the, there is a need for an improved and optimized internal structure of pneumatic and hydraulic cylinders.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned problem that exists among the prior art, the utility model provides a novel gas, oil pressure cylinder endpoint buffer structure has the characteristics that promote gas, oil pressure cylinder endpoint buffering effect.

In order to achieve the above object, the utility model provides a following technical scheme: novel gas, oil pressure cylinder extreme point buffer structure, including pneumatic cylinder and first jar pipe, first protecgulum is installed to the one end of first jar pipe, first back lid is installed to the other end of first jar pipe, first piston rod has been placed to the inside of first jar pipe, the one end of first piston rod runs through the outside that the inner wall of first protecgulum reachd first protecgulum, the piston body has been cup jointed on the one end outside surface that is located first jar intraduct of first piston rod, the stopper before the surface that one side of piston body is located first piston rod has cup jointed the buffering, the stopper after the buffering has been cup jointed to the opposite side of piston body is located the surface of first piston rod, the deceleration groove has all been seted up with the outside surface of buffering back stopper to the stopper before the buffering.

As the utility model discloses a novel preferred technical scheme of gas, oil pressure cylinder endpoint buffer structure, the gear box includes first dashpot and second dashpot, and the outside surface of stopper before the buffering is seted up to first dashpot, and the outside surface of stopper after the buffering is seted up to the second dashpot, and first dashpot is the V-arrangement structure with the second dashpot.

As the utility model discloses a novel gas, preferred technical scheme of oil pressure cylinder endpoint buffer structure, first jar pipe is hollow cylinder component, and the piston body is disc type component, and the outside surface of piston body contacts with the inner wall of first jar pipe.

As the utility model discloses a novel preferred technical scheme of gas, oil pressure cylinder endpoint buffer structure, the outside surface of first protecgulum is equipped with scrapes the dirt sealing ring, scrapes the dirt sealing ring and is the annular component, scrapes the dirt sealing ring and cup joints the outside surface at first piston rod.

As the utility model discloses a novel preferred technical scheme of gas, oil pressure cylinder endpoint buffer structure, first protecgulum is all connected through the go-between of its side with first back lid and first jar pipe gomphosis, and the rubber packing piece has all been placed with the connection region of first jar pipe to first protecgulum, first back lid.

As the utility model discloses a novel gas, preferred technical scheme of oil hydraulic cylinder endpoint buffer structure, the contact area who fills up before first piston rod, piston body and the buffering has cup jointed first sealing ring on the outside surface that is located first piston rod.

As the utility model discloses a novel gas, the preferred technical scheme of oil hydraulic cylinder endpoint buffer structure, the outside surface that stopper was located the buffering back stopper of the contact area of stopper and piston body has cup jointed supplementary sealing ring after the buffering.

Compared with the prior art, the beneficial effects of the utility model are that: the outer side surfaces of the first piston rod and the second piston rod are additionally provided with a buffering front plug and a buffering rear plug, the outer side surfaces of the buffering front plug and the buffering rear plug are additionally provided with a first buffer groove and a second buffer groove, the piston body and the second sealing ring drive the first piston rod and the second sealing ring to move, the first buffer groove and the second buffer groove slow down the speed of entering air and oil, the rebound strength of the piston body and the second sealing ring is reduced, the deformation of parts inside the device is avoided, the total time of the air and oil cylinders from the front end point to the rear end point is reduced, and the production efficiency of the device is improved.

Drawings

Fig. 1 is a schematic structural view of a buffer plug in the present invention;

FIG. 2 is a schematic view showing a novel pneumatic cylinder end point cushion structure in embodiment 1;

FIG. 3 is a schematic view of the new type of structure for buffering the end point of the hydraulic cylinder in embodiment 2;

FIG. 4 is a deceleration diagram of the conventional buffering structure of the present invention, which is not decelerated by the buffering plug for rapid displacement;

FIG. 5 is a deceleration diagram of the slow displacement of the conventional buffer structure after the deceleration of the buffer plug of the present invention;

figure 6 is the utility model discloses in the speed reduction chart that novel buffer structure shifts fast

In the figure: 1. a first piston rod; 2. a dust scraping sealing ring; 3. a first front cover; 4. a first cylinder pipe; 5. buffering the front plug; 51. a first buffer tank; 6. a first seal ring; 7. an auxiliary seal ring; 8. buffering a rear plug; 81. a second buffer tank; 9. a first rear cover; 10. a piston body; 11. a second piston rod; 12. a second front cover; 13. a second cylinder pipe; 14. a second seal ring; 15. A second rear cover; 16. and (4) bolts.

Detailed Description

Example 1

Referring to fig. 1, 2, 4, 5 and 6, the novel pneumatic/hydraulic cylinder endpoint buffering structure of the present invention includes a pneumatic cylinder and a first cylinder tube 4, a first front cover 3 is installed at one end of the first cylinder tube 4, a first rear cover 9 is installed at the other end of the first cylinder tube 4, the first front cover 3 and the first rear cover 9 make the cylinder maintain structural seal, so that the cylinder can operate well, a first piston rod 1 is placed inside the first cylinder tube 4, one end of the first piston rod 1 penetrates through the inner wall of the first front cover 3 to reach the outside of the first front cover 3, a piston body 10 is sleeved on the outer side surface of one end of the first piston rod 1 inside the first cylinder tube 4, a buffering front plug 5 is sleeved on the outer surface of the first piston rod 1 on one side of the piston body 10, a buffering rear plug 8 is sleeved on the outer surface of the first piston rod 1 on the other side of the piston body 10, deceleration grooves are formed on the outer side surfaces of the buffering front plug 5 and the buffering rear plug 8, in this embodiment, the deceleration groove makes first piston rod 1 slow down the velocity of flow of gas, oil in the action process, promotes the stability ability when first piston rod 1 moves.

Concretely, the decelerating trough includes first dashpot 51 and second dashpot 81, and stopper 5's outside surface before the buffering is seted up to first dashpot 51, and stopper 8's outside surface after the buffering is seted up to second dashpot 81, and first dashpot 51 and second dashpot 81 are the V-arrangement structure, and first dashpot 51 and second dashpot 81 can reduce the bounce strength of gas, oil in this embodiment, the action of the first piston rod 1 of being convenient for.

Specifically, the first cylinder pipe 4 is a hollow cylindrical member, the piston body 10 is a disc-shaped member, and the outer side surface of the piston body 10 is in contact with the inner wall of the first cylinder pipe 4, and the piston body 10 in this embodiment enables the cylinder to operate well.

Specifically, the outside surface of first protecgulum 3 is equipped with scrapes dirt sealing ring 2, scrapes dirt sealing ring 2 and is the annular component, scrapes dirt sealing ring 2 and cup joints at the outside surface of first piston rod 1, scrapes dirt sealing ring 2 in this embodiment and makes the outside surface of first piston rod 1 keep clean, the action of the first piston rod 1 of being convenient for.

Specifically, the first front cover 3 and the first rear cover 9 are both connected with the first cylinder pipe 4 through the connection rings on the side surfaces thereof in an embedded manner, and rubber gaskets are placed at the connection areas of the first front cover 3, the first rear cover 9 and the first cylinder pipe 4, wherein the rubber gaskets keep the structure of the equipment sealed in the embodiment.

Specifically, the first sealing ring 6 is sleeved on the outer side surface of the first piston rod 1 at the contact area of the first piston rod 1, the piston body 10 and the buffer front plug 5, and in this embodiment, the first sealing ring 6 improves the sealing performance of the contact area of the first piston rod 1, the piston body 10 and the buffer front plug 5.

Specifically, the auxiliary sealing ring 7 is sleeved on the outer side surface of the cushion back plug 8 at the contact area of the cushion back plug 8 and the piston body 10, and in this embodiment, the auxiliary sealing ring 7 improves the sealing performance between the cushion back plug 8 and the piston body 10.

Example 2

Referring to fig. 1, 3, 4, 5 and 6, the novel pneumatic/hydraulic cylinder endpoint buffering structure of the present invention includes a hydraulic cylinder and a second cylinder tube 13, one end of the second cylinder tube 13 is connected to a second front cover 12, the other end of the second cylinder tube 13 is connected to a second rear cover 15, a bolt 16 is disposed inside the hydraulic cylinder, two ends of the bolt 16 penetrate side surfaces of the second front cover 12 and the second rear cover 15, two ends of the bolt 16 are both connected to a nut through a threaded engagement, a second piston rod 11 is disposed inside the second cylinder tube 13, one end of the second piston rod 11 penetrates side surface of the second front cover 12, a second sealing ring 14 is sleeved on an outer surface of one end of the second front cover 12 of the second piston rod 11, one side of the second sealing ring 14 is located on a side surface of the second piston rod 11 and is sleeved on a side surface of the second piston rod 11 and is located on a rear buffering plug 8, the outside surface of stopper 8 has all seted up the deceleration tank before the buffering stopper 5 with the buffering, and in this embodiment, the deceleration tank makes first piston rod 1 slow down the velocity of flow of gas, oil in the action process, promotes the stability ability when first piston rod 1 moves.

Specifically, the second cylinder pipe 13 is a hollow cylindrical member, the second sealing ring 14 is a disc-shaped member, and the outer side surface of the second sealing ring 14 is in contact with the inner wall of the first cylinder pipe 4, and the second sealing ring 14 in this embodiment enables the cylinder to operate well when operating.

The utility model discloses a theory of operation and use flow: as shown in fig. 6; the utility model discloses in stopper 5 cup joints the outside surface at first piston rod 1 with buffering back stopper 8 before this buffer structure use, when first piston rod 1 drives the action of piston body 10, stopper 5 slows down first piston rod 1 through first dashpot 51 and the second dashpot 81 of its side after buffering before buffering, stopper 8 is gone into the cylinder top fast after the buffering, first dashpot 51 is bigger relatively with the degree of depth of second dashpot 81 this moment, do not make supplementary sealing ring 7 seal completely, first dashpot 51 and the degree of depth of second dashpot 81 become shallow gradually and seal when first piston rod 1 when continuing the operation, the degree of depth of V groove is zero when first dashpot 51 and second dashpot 81 accomplish to seal, be convenient for gas, the oil hydraulic cylinder is steady quick arrival endpoint again.

In the previous description, numerous specific details were set forth in order to provide a thorough understanding of the invention. The foregoing description is only illustrative of the preferred embodiments of the invention, which can be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. All the contents that do not depart from the technical solution of the present invention, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention all still belong to the protection scope of the technical solution of the present invention.

Claims

1. Novel pneumatic, oil pressure cylinder end point buffer structure, including pneumatic cylinder and first cylinder pipe (4), its characterized in that: the damping cylinder is characterized in that a first front cover (3) is installed at one end of a first cylinder pipe (4), a first rear cover (9) is installed at the other end of the first cylinder pipe (4), a first piston rod (1) is placed inside the first cylinder pipe (4), one end of the first piston rod (1) penetrates through the inner wall of the first front cover (3) to reach the outside of the first front cover (3), a piston body (10) is sleeved on the outer side surface of one end, located inside the first cylinder pipe (4), of the first piston rod (1), a damping front plug (5) is sleeved on the outer surface, located on the first piston rod (1), of one side of the piston body (10), a damping rear plug (8) is sleeved on the outer surface, located on the first piston rod (1), of the other side of the piston body (10), and deceleration grooves are formed in the outer side surfaces of the damping front plug (5) and the damping rear plug (8).

2. The new pneumatic, hydraulic cylinder endpoint cushioning structure of claim 1, wherein: the decelerating groove comprises a first buffer groove (51) and a second buffer groove (81), the first buffer groove (51) is arranged on the outer side surface of the front buffer plug (5), the second buffer groove (81) is arranged on the outer side surface of the rear buffer plug (8), and the first buffer groove (51) and the second buffer groove (81) are of V-shaped structures.

3. The new pneumatic, hydraulic cylinder endpoint cushioning structure of claim 1, wherein: the first cylinder pipe (4) is a hollow cylindrical component, the piston body (10) is a disc-shaped component, and the outer side surface of the piston body (10) is in contact with the inner wall of the first cylinder pipe (4).

4. The new pneumatic, hydraulic cylinder endpoint cushioning structure of claim 1, wherein: the outer side surface of the first front cover (3) is provided with a dust scraping sealing ring (2), the dust scraping sealing ring (2) is an annular component, and the dust scraping sealing ring (2) is sleeved on the outer side surface of the first piston rod (1).

5. The new pneumatic, hydraulic cylinder endpoint cushioning structure of claim 1, wherein: the first front cover (3) and the first rear cover (9) are connected with the first cylinder pipe (4) in an embedded mode through connecting rings on the side faces of the first front cover and the first rear cover, and rubber gaskets are placed in connecting areas of the first front cover (3), the first rear cover (9) and the first cylinder pipe (4).

6. The new pneumatic, hydraulic cylinder endpoint cushioning structure of claim 1, wherein: the contact areas of the first piston rod (1), the piston body (10) and the buffering front plug (5) are positioned on the outer side surface of the first piston rod (1) in a sleeved mode and are provided with first sealing rings (6).

7. The new pneumatic, hydraulic cylinder endpoint cushioning structure of claim 1, wherein: and the contact area of the buffer rear plug (8) and the piston body (10) is positioned on the outer side surface of the buffer rear plug (8) and is sleeved with an auxiliary sealing ring (7).