CN218717864U

CN218717864U - Oil cylinder with damping buffer structure

Info

Publication number: CN218717864U
Application number: CN202222969686.8U
Authority: CN
Inventors: 陈表
Original assignee: Dongguan Tengfei Hardware Mould Co ltd
Current assignee: Dongguan Tengfei Hardware Mould Co ltd
Priority date: 2022-11-08
Filing date: 2022-11-08
Publication date: 2023-03-24
Anticipated expiration: 2032-11-08

Abstract

The utility model relates to a hydro-cylinder with damping buffer structure, including the hydro-cylinder main part, the outside of hydro-cylinder main part is provided with buffer gear, buffer gear includes the outside buffering cover shell of fixed connection in the hydro-cylinder main part, the inside swing joint of buffering cover shell has the buffer beam, the outside fixedly connected with buffering ring of buffer beam, the bottom fixedly connected with buffering upper shield of buffering ring, the inside fixedly connected with buffer spring of buffering upper shield, the outside fixedly connected with stopper of buffer beam, the bottom fixedly connected with limit spring of stopper, the bottom fixedly connected with rubber piston of buffer beam. This hydro-cylinder with damping buffer structure when solid piston rod receives the collision, eliminates the striking sound through the rubber sleeve, absorbs the collision power through the cooperation of buffer spring and spacing spring and rubber piston and damping oil, and after the collision, buffer spring and spacing spring kick-back release absorbing collision power are absorbed by the damping oil.

Description

Oil cylinder with damping buffer structure

Technical Field

The utility model relates to an oil cylinder equipment technical field specifically is an oil cylinder with damping buffer structure.

Background

Under the condition that the movement speed of a piston rod of a traditional oil cylinder or air cylinder is too high, violent collision is easy to occur at the end point of a stroke, impact load exists in more mechanical equipment, the service life of the equipment is seriously influenced by the too high impact load, even accidents are caused, and the health and life safety of human beings are even damaged. To prevent and reduce these impact loads, researchers have devised various shock absorbers or bumpers to eliminate and reduce the hazards associated with vibration.

The existing buffer device of the oil cylinder or the air cylinder is generally arranged in the oil cylinder or the air cylinder, when the buffer effect is detected or once the buffer device breaks down, the whole oil cylinder needs to be detached for maintenance, and the maintenance is very inconvenient, so that the oil cylinder with the damping buffer structure is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a hydro-cylinder with damping buffer structure possesses the advantage such as be convenient for maintain, has solved current hydro-cylinder buffer in case buffer breaks down, maintains very inconvenient problem.

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides an hydro-cylinder with damping buffer structure, includes the hydro-cylinder main part, the outside of hydro-cylinder main part is provided with buffer gear, buffer gear includes the outside buffering cover shell of fixed connection in the hydro-cylinder main part, the inside swing joint of buffering cover shell has the buffer beam, the outside fixedly connected with buffering ring of buffer beam, the bottom fixedly connected with buffering upper shield of buffering ring, the inside fixedly connected with buffer spring of buffering upper shield, the outside fixedly connected with stopper of buffer beam, the bottom fixedly connected with limit spring of stopper, the bottom fixedly connected with rubber piston of buffer beam.

Furthermore, a limiting groove is formed in the buffering casing, and a limiting rod is fixedly connected to the inside of the limiting groove.

Furthermore, stopper sliding connection is in the outside of gag lever post, the one end that spacing spring kept away from the stopper and the interior diapire fixed connection of spacing groove.

Further, the inside fixedly connected with filling tube of buffering cover shell, the inside joint of filling tube has sealed piece, the inside threaded connection of sealed piece has set screw.

Further, fixedly connected with piston rod on the output of hydro-cylinder main part, the outside fixedly connected with solid fixed ring of piston rod, gu fixed ring's bottom fixedly connected with fixed stop.

Furthermore, one end of the buffer rod, which is far away from the rubber piston, is fixedly connected with a sleeve block, and a rubber sleeve is sleeved outside the sleeve block.

Furthermore, the buffer spring is far away from one end of the buffer sleeve cover and fixedly connected with the buffer sleeve shell, a cavity is formed in the buffer sleeve shell, and the rubber piston is matched with the cavity.

Compared with the prior art, the utility model provides a hydro-cylinder with damping buffer structure possesses following beneficial effect:

this hydro-cylinder with damping buffer structure when solid piston rod receives the collision, eliminates the striking sound through the rubber sleeve, absorbs the collision power through the cooperation of buffer spring and spacing spring and rubber piston and damping oil, and after the collision, buffer spring and spacing spring kick-back release absorptive collision power are absorbed by the damping oil, effectively reduce buffering impact load, have solved current hydro-cylinder buffer in case buffer breaks down, maintain very inconvenient problem.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a buffer housing case of the present invention;

fig. 3 is an enlarged schematic structural diagram of a shown in fig. 2 according to the present invention.

In the figure: 1 cylinder main part, 2 buffer shell cases, 3 buffer rods, 4 buffer rings, 5 buffer sleeve covers, 6 buffer springs, 7 limiting blocks, 8 limiting grooves, 9 limiting rods, 10 limiting springs, 11 rubber pistons, 12 injection pipes, 13 rubber pads, 14 sleeve blocks, 15 piston rods, 16 fixing rings and 17 fixing baffle plates.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, an oil cylinder with a damping buffer structure includes an oil cylinder body 1, a piston rod 15 is fixedly connected to an output end of the oil cylinder body 1, a fixing ring 16 is fixedly connected to an outer portion of the piston rod 15, a fixing baffle 17 is fixedly connected to a bottom of the fixing ring 16, and the piston rod 15 drives the fixing baffle 17 to move when repeatedly moving up and down.

In this embodiment, the outside of hydro-cylinder main part 1 is provided with buffer gear, buffer gear includes fixed connection in the outside buffer shell case 2 of hydro-cylinder main part 1, the inside swing joint of buffer shell case 2 has buffer beam 3, the outside fixedly connected with buffering ring 4 of buffer beam 3, the bottom fixedly connected with buffering upper shield 5 of buffering ring 4, the top fixedly connected with sleeve block 18 of buffer beam 3, rubber sleeve 19 has been cup jointed to the outside of sleeve block 18, when solid piston rod 15 receives the collision, make fixed stop 17 and rubber sleeve 9 contact, eliminate the striking sound through rubber sleeve 19, make buffer beam 3 receive the impact.

It can be understood that, the inside fixedly connected with buffer spring 6 of buffering upper shield 5, buffer spring 6 keeps away from the one end and the 2 fixed connection of buffering shell cover of buffering upper shield 5, outside fixedly connected with stopper 7 of buffer beam 3, spacing groove 8 has been seted up to the inside of buffering shell cover 2, the inside fixedly connected with gag lever post 9 of gag lever post 8, stopper 7 sliding connection is in the outside of gag lever post 9, buffer beam 3 carries on spacingly through gag lever post 9, it keeps perpendicular downstream to make gag lever post 3 drive buffering upper shield 5, extrude buffer spring 6, the elastic potential energy through buffer spring 6 absorbs some impact.

In this embodiment, stopper 7's bottom fixedly connected with spacing spring 10, spacing spring 10 keep away from stopper 7's one end and spacing groove 8's interior diapire fixed connection, and buffer rod 3 drives stopper 7 downstream when receiving the collision, makes stopper 7 extrude spacing spring 10, absorbs some impact through spacing spring 10's elastic potential energy.

It can be understood that, the bottom fixedly connected with rubber piston 11 of buffer beam 3, the cavity has been seted up to buffer shell 2's inside, rubber piston 11 and cavity looks adaptation, buffer shell 2's inside fixedly connected with injection tube 12, the inside joint of injection tube 12 has sealed piece 13, the inside threaded connection of sealed piece 13 has set screw 14, pour into damping oil into the inside of cavity through injection tube 12, buffer beam 3 drives rubber piston 11 and moves down, make rubber piston 11 extrude damping oil, absorb some clashing force through damping oil, possess the effectual advantage of buffering.

This embodiment is when using, through installing buffer housing 2 in the outside of hydro-cylinder main part 1, is convenient for detect the maintenance, improves and uses the convenience, is convenient for take off sealed piece 13 through rotatory set screw 14, maintains the inside damping oil of cavity, possesses the advantage of being convenient for maintain.

The beneficial effects of the above embodiment are as follows:

this hydro-cylinder with damping buffer structure, when solid piston rod 15 receives the collision, make fixed stop 17 and rubber sleeve 9 contact, eliminate striking sound and make buffer rod 3 receive the impact through rubber sleeve 19, gag lever post 3 drives buffer sleeve lid 5 and moves down and extrudes buffer spring 6, absorb some impact through buffer spring 6's elastic potential energy, and simultaneously, stopper 7 moves down and extrudes limit spring 10, absorb some impact through limit spring 10's elastic potential energy, and rubber piston 11 moves down and extrudes damping oil, absorb some impact through damping oil, after the collision, buffer spring 6 kick-backs and releases the absorbing impact, is absorbed by damping oil at some energy, effectively prolongs the buffer stroke, reduces buffering impact load, increase of service life.

The electrical components shown herein are electrically connected to a main controller and a power supply, the main controller can be a conventional known device controlled by a computer, and the conventional power connection technology disclosed in the prior art is not described in detail herein.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising one of 8230; \8230;" 8230; "does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

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

1. The utility model provides an hydro-cylinder with damping buffer structure, includes hydro-cylinder main part (1), its characterized in that: a buffer mechanism is arranged outside the oil cylinder main body (1);

buffer gear includes fixed connection in the outside buffering shell (2) of hydro-cylinder main part (1), the inside swing joint of buffering shell (2) has buffer beam (3), the outside fixedly connected with buffering ring (4) of buffer beam (3), the bottom fixedly connected with buffering upper shield (5) of buffering ring (4), the inside fixedly connected with buffer spring (6) of buffering upper shield (5), the outside fixedly connected with stopper (7) of buffer beam (3), the bottom fixedly connected with limit spring (10) of stopper (7), the bottom fixedly connected with rubber piston (11) of buffer beam (3).

2. The oil cylinder with the damping buffer structure as claimed in claim 1, wherein: the buffer casing shell (2) is internally provided with a limiting groove (8), and the limiting groove (8) is fixedly connected with a limiting rod (9).

3. The oil cylinder with the damping buffer structure as claimed in claim 2, wherein: stopper (7) sliding connection is in the outside of gag lever post (9), spacing spring (10) keep away from the one end of stopper (7) and the interior diapire fixed connection of spacing groove (8).

4. The oil cylinder with the damping buffer structure as claimed in claim 1, wherein: the inside fixedly connected with injection pipe (12) of buffer housing shell (2), the inside joint of injection pipe (12) has sealed piece (13), the inside threaded connection of sealed piece (13) has set screw (14).

5. The oil cylinder with the damping buffer structure as claimed in claim 1, wherein: fixedly connected with piston rod (15) on the output of hydro-cylinder main part (1), the solid fixed ring of outside fixedly connected with (16) of piston rod (15), the bottom fixedly connected with fixed stop (17) of solid fixed ring (16).

6. The oil cylinder with the damping buffer structure as claimed in claim 1, wherein: one end of the buffer rod (3) far away from the rubber piston (11) is fixedly connected with a sleeve block (18), and a rubber sleeve (19) is sleeved outside the sleeve block (18).

7. The oil cylinder with the damping buffer structure as claimed in claim 1, wherein: buffer spring (6) keep away from the one end and the buffer shell cover (2) fixed connection of buffer shell lid (5), the cavity has been seted up to the inside of buffer shell cover (2), rubber piston (11) and cavity looks adaptation.