CN213711488U

CN213711488U - Novel second grade buffering seal structure pneumatic cylinder

Info

Publication number: CN213711488U
Application number: CN202022960584.0U
Authority: CN
Inventors: 管颖平; 杨文斌
Original assignee: Wuxi Hengli Hydraulic Pneumatic Co ltd
Current assignee: Wuxi Hengli Hydraulic Pneumatic Co ltd
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2021-07-16
Anticipated expiration: 2030-12-09

Abstract

The utility model discloses a novel second grade buffering seal structure pneumatic cylinder, including base and piston rod, the left and right sides of base all is provided with the erection joint piece, and the top of base is provided with the cylinder, the outside of cylinder is provided with the galvanizing coat, and the inboard of cylinder is provided with chromium-plated layer, the inside of cylinder is provided with buffer gear, and the left and right sides of cylinder all is provided with the dead lever, the top of dead lever is provided with the flange, and the top of flange is provided with the cylinder cap. This novel second grade buffering seal structure pneumatic cylinder is provided with buffer gear, can be through the connecting block that sets up in buffer gear like this, a fixed base, the fixed plate, the movable block, the rubber cushion, buffer spring and stopper, can be when the piston rod whereabouts like this, earlier with the rubber cushion contact, the rubber cushion can protect the piston rod, again through buffer spring cushion to the piston rod afterwards let out the power, avoid piston rod and cylinder to bump, cause the damage, improve life.

Description

Novel second grade buffering seal structure pneumatic cylinder

Technical Field

The utility model relates to a pneumatic cylinder technical field specifically is a novel second grade buffering seal structure pneumatic cylinder.

Background

The hydraulic cylinder is a hydraulic actuating element which converts hydraulic energy into mechanical energy and does linear reciprocating motion (or swinging motion), has simple structure and reliable work, can remove a speed reducer when realizing reciprocating motion, has no transmission clearance, moves stably, is widely applied to hydraulic systems of various machines, and is indispensable.

In summary, the existing hydraulic cylinder has large kinetic energy when in use, cannot perform deceleration treatment on the piston rod, and the piston rod and the hydraulic cylinder are in mechanical collision to generate impact and have destructiveness.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel second grade buffering seal structure pneumatic cylinder to current pneumatic cylinder that proposes in solving above-mentioned background art has great kinetic energy when using, can't carry out the processing of slowing down to the piston, and the piston will take place mechanical collision with the pneumatic cylinder, produce the impact, have destructive problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel second grade buffering seal structure pneumatic cylinder, includes base and piston rod, the left and right sides of base all is provided with the erection joint piece, and the top of base is provided with the cylinder, the outside of cylinder is provided with the galvanizing coat, and the inboard of cylinder is provided with chromium-plated layer, the inside of cylinder is provided with buffer gear, and the left and right sides of cylinder all is provided with the dead lever, the top of dead lever is provided with the flange, and the top of flange is provided with the cylinder cap, the inboard of cylinder cap is provided with sealed the pad, and the sealed top of filling up all is provided with the buckle, the piston rod sets up.

Preferably, the installation connecting block is welded with the base, and the installation connecting block is symmetrically arranged relative to the central axis of the base.

Preferably, the zinc coating is tightly attached to the cylinder barrel, and the inner diameter of the zinc coating is the same as the outer diameter of the cylinder barrel.

Preferably, buffer gear includes connecting block, fixing base, fixed plate, movable block, rubber cushion, buffer spring and stopper, and the inside fixedly connected with fixed plate of fixing base to the top swing joint of fixed plate has the movable block.

Preferably, the top fixedly connected with stopper of movable block, and the top fixedly connected with rubber cushion of stopper to buffer spring's top fixed connection is in the both sides of rubber cushion bottom.

Preferably, the width of the outer part of the fixing plate is smaller than the width of the inner part of the movable block, and the buffer springs are symmetrically arranged relative to the central axis of the fixing seat.

Preferably, the sealing gasket is embedded in the inner side of the cylinder cover, and a clamping structure is formed between the sealing gasket and the cylinder cover.

Compared with the prior art, the beneficial effects of the utility model are that: the novel hydraulic cylinder with the secondary buffer sealing structure,

(1) the buffering mechanism is arranged, so that the piston rod can be firstly contacted with the rubber cushion when falling down through the connecting block, the fixing seat, the fixing plate, the movable block, the rubber cushion, the buffering spring and the limiting block which are arranged in the buffering mechanism, the piston rod can be protected by the rubber cushion, and then the buffering spring is used for buffering and releasing the force of the piston rod, so that the piston rod is prevented from colliding with the cylinder barrel to cause damage, and the service life is prolonged;

(2) be provided with the erection joint piece, can install the device and required mounted position through the erection joint piece like this and fix, avoid at the in-process that uses, take place to rock, make things convenient for staff's operation, improve work efficiency.

(3) Be provided with sealed the pad, can avoid outside dust spot to enter into inside the cylinder through sealed pad and cylinder cap cooperation like this, cause the damage to the cylinder to influence the operation of cylinder, improve work quality.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the buffering mechanism of the present invention;

FIG. 3 is a schematic view of a cross-sectional structure of the cylinder head of the present invention;

fig. 4 is a schematic top view of the present invention.

In the figure: 1. a base; 2. installing a connecting block; 3. a cylinder barrel; 4. a zinc coating layer; 5. a chromium plating layer; 6. a buffer mechanism; 601. connecting blocks; 602. a fixed seat; 603. a fixing plate; 604. a movable block; 605. a rubber cushion; 606. a buffer spring; 607. a limiting block; 7. fixing the rod; 8. a flange; 9. a cylinder cover; 10. a gasket; 11. buckling; 12. a piston rod.

Detailed Description

The technical solutions 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 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. 1-4, the present invention provides a technical solution: a novel hydraulic cylinder with a two-stage buffer sealing structure is disclosed, as shown in figures 1 and 2, the left side and the right side of a base 1 are respectively provided with an installation connecting block 2, the installation connecting blocks 2 are welded with the base 1, the installation connecting blocks 2 are symmetrically arranged about the central axis of the base 1, the installation connecting blocks 2 are arranged to facilitate workers to install and fix the device and a required installation position, shaking is avoided in the using process, the working efficiency is improved, a cylinder barrel 3 is arranged above the base 1, the outer side of the cylinder barrel 3 is provided with a galvanized layer 4, the galvanized layer 4 is tightly attached to the cylinder barrel 3, the inner diameter of the galvanized layer 4 is the same as the outer diameter of the cylinder barrel 3, the galvanized layer 4 is arranged to prevent the cylinder barrel 3 from being corroded by external bacteria stains and causing damage under long-time use, and the inner side of the cylinder barrel 3 is provided with a chromium-plated layer, the inside of the cylinder 3 is provided with a buffer mechanism 6, the buffer mechanism 6 comprises a connecting block 601, a fixed seat 602, a fixed plate 603, a movable block 604, a rubber cushion 605, a buffer spring 606 and a limited block 607, the fixed plate 603 is fixedly connected to the inside of the fixed seat 602, the movable block 604 is movably connected to the top end of the fixed plate 603, the movable block 604 moves at the fixed plate 603 under the pressure of external force by arranging the movable block 604, the limited block 607 is fixedly connected to the top end of the movable block 604, the rubber cushion 605 is fixedly connected to the top end of the limited block 607, the top end of the buffer spring 606 is fixedly connected to two sides of the bottom end of the rubber cushion 605, the rubber cushion 605 can protect the piston rod 12 by arranging the rubber cushion 605, the piston rod 12 is prevented from being damaged, the width of the outside of the fixed plate 603 is smaller than the width of the inside, through setting up buffer spring 606, buffer spring 606 can cushion piston rod 12 and let out the power, avoids piston rod 12 and cylinder 3 to bump, causes the damage, improves life, and the left and right sides of cylinder 3 all is provided with dead lever 7.

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the top of dead lever 7 is provided with flange 8, and flange 8's top is provided with cylinder cap 9, cylinder cap 9's inboard is provided with sealed pad 10, and the top of sealed pad 10 all is provided with buckle 11, sealed pad 10 inlays in cylinder cap 9's inboard, and constitute the block structure between sealed pad 10 and the cylinder cap 9, through setting up sealed pad 10, can cooperate with cylinder cap 9 through sealed pad 10 like this, it enters into inside the cylinder 3 to avoid outside dust spot, cause the damage to cylinder 3, thereby influence the operation of cylinder 3, and the work quality is improved, piston rod 12 sets up the top at cylinder cap 9.

The working principle is as follows: when the novel hydraulic cylinder with the secondary buffer sealing structure is used, the device is firstly moved to a required use position, then the device is fixedly installed at a required installation position through the installation connecting block 2, then the sealing gasket 10 is in butt joint with the cylinder cover 9, then, when the piston rod 12 is repeatedly moved and dropped, the piston rod 12 is first brought into contact with the rubber cushion 605, the piston rod 12 is protected by the rubber soft cushion 605, then the piston rod 12 is buffered and discharged by the buffer spring 606, the piston rod 12 is prevented from colliding with the cylinder barrel 3 to cause damage, finally the sealing gasket 10 can be matched with the cylinder cover 9, the situation that external dust and dirt enter the cylinder barrel 3 when the piston rod 12 moves repeatedly is avoided, this is all done by causing damage to the cylinder 3 and thus affecting the operation of the cylinder 3, which is well known to those skilled in the art and which is not described in detail in this specification.

The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description, but are not intended 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, and are not to be considered limiting of the scope of the invention.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a novel second grade buffering seal structure pneumatic cylinder, includes base (1) and piston rod (12), its characterized in that: the utility model discloses a cylinder, including base (1), cylinder (3), galvanized coating (4), chromium-plated layer (5), buffer mechanism (6), dead lever (7) are all provided with to the outside of cylinder (3), and the inboard of cylinder (3) is provided with chromium-plated layer (5), the inside of cylinder (3) is provided with buffer gear (6), and the left and right sides of cylinder (3) all is provided with, the top of dead lever (7) is provided with flange (8), and the top of flange (8) is provided with cylinder cap (9), the inboard of cylinder cap (9) is provided with sealed pad (10), and the top of sealed pad (10) all is provided with buckle (11), piston rod (12) set up the top at cylinder cap (9).

2. The novel hydraulic cylinder with the two-stage buffer sealing structure as claimed in claim 1, wherein: the installation connecting block (2) is welded with the base (1), and the installation connecting block (2) is symmetrically arranged relative to the central axis of the base (1).

3. The novel hydraulic cylinder with the two-stage buffer sealing structure as claimed in claim 1, wherein: the galvanized layer (4) is tightly attached to the cylinder barrel (3), and the inner diameter of the galvanized layer (4) is the same as the outer diameter of the cylinder barrel (3).

4. The novel hydraulic cylinder with the two-stage buffer sealing structure as claimed in claim 1, wherein: buffer gear (6) are including connecting block (601), fixing base (602), fixed plate (603), movable block (604), rubber cushion (605), buffer spring (606) and stopper (607), and the inside fixedly connected with fixed plate (603) of fixing base (602) to the top swing joint of fixed plate (603) has movable block (604).

5. The novel hydraulic cylinder with the two-stage buffer sealing structure as claimed in claim 4, wherein: the top fixedly connected with stopper (607) of movable block (604), and the top fixedly connected with rubber cushion (605) of stopper (607) to the both sides in rubber cushion (605) bottom are connected to the top fixed connection of buffer spring (606).

6. The novel hydraulic cylinder with the two-stage buffer sealing structure as claimed in claim 4, wherein: the width of the outer part of the fixing plate (603) is smaller than the width of the inner part of the movable block (604), and the buffer springs (606) are symmetrically arranged relative to the central axis of the fixing seat (602).

7. The novel hydraulic cylinder with the two-stage buffer sealing structure as claimed in claim 1, wherein: the sealing gasket (10) is embedded in the inner side of the cylinder cover (9), and a clamping structure is formed between the sealing gasket (10) and the cylinder cover (9).