CN218235682U

CN218235682U - Cylinder piston rod protection device

Info

Publication number: CN218235682U
Application number: CN202222419454.5U
Authority: CN
Inventors: 陈骏; 胡涛; 史文军; 徐袁辉
Original assignee: Jiangsu Jingshimai Hydraulic Technology Co ltd
Current assignee: Jiangsu Yizhidi Hydraulic Technology Co.,Ltd.
Priority date: 2022-09-13
Filing date: 2022-09-13
Publication date: 2023-01-06
Anticipated expiration: 2032-09-13

Abstract

The utility model relates to the technical field of equipment, and a cylinder piston rod protection device is disclosed, include: the cylinder, piston rod sliding connection is in the inside of cylinder, and protective housing fixed mounting is at the outer wall of cylinder, and the bradyseism device sets up in the inboard of protective housing, and the bradyseism device includes: the attenuator fixed mounting is in the inboard of protective housing, and sliding block sliding connection is in the spout that the protective housing was seted up, and bradyseism board fixed mounting is in the one end of sliding block, and dead lever fixed connection is in the inboard of protective housing, and the movable rod articulates in the one end of dead lever, and the spring beam articulates in one side of movable rod, and fixed block fixed mounting is on the upper portion of protective housing. Through setting up the second gear retraction sliding tooth board to make the work operation that prevents in the dust get into the dust and lead to piston rod and cylinder to cause the damage and influence the leakproofness greatly and reduce holistic life guarantee cylinder and piston rod interior totally.

Description

Cylinder piston rod protection device

Technical Field

The utility model relates to the technical field of equipment, specifically be a piston rod of air cylinder protection device.

Background

The piston rod is a connecting component for supporting the piston to do work, most of the piston rod is applied to the oil cylinder and the air cylinder movement executing component, and the piston rod is a moving component with frequent movement and high technical requirements. Taking a hydraulic oil cylinder as an example, the hydraulic oil cylinder comprises: the cylinder barrel, the piston rod (oil cylinder rod), the piston and the end cover. The quality of the processing quality directly influences the service life and the reliability of the whole product. The piston rod has high processing requirement, the surface roughness requirement of Ra0.4-0.8 mu m, and strict requirements on coaxiality and wear resistance, and the oil cylinder rod is basically characterized in that slender shafts are processed, and the processing difficulty is high, so that processing personnel are always puzzled.

If the public number is: chinese patent CN209164233U proposes: the production of the steel cord relates to the production of multiple procedures such as rough drawing, heat treatment, electroplating and the like. One type of pneumatic element, the cylinder, is used in a wide variety of equipment applications. However, due to environmental factors such as dust adsorption, indirect contact of corrosive liquid and gas, and high temperature, the cylinder piston rod and the rubber sealing element thereof are easily worn and damaged. Although the maintenance method of regularly cleaning dust and coating grease on the piston rod is adopted, the effect is very little.

However, dust, scrap iron and the like are easily accumulated on the surface of the piston rod when the piston rod is used on rough drawing equipment, and the dust and the scrap iron accumulated on the surface of the piston rod cannot be cleaned conveniently and timely in the machine tool, so that the sealing ring is easily abraded and air leakage is caused after the piston rod is repeatedly stretched and contracted for a long time

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a piston rod of cylinder protection device.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a cylinder piston rod protector comprising:

a cylinder;

the piston rod is connected inside the cylinder in a sliding manner;

the protective shell is fixedly arranged on the outer wall of the cylinder;

the cushioning device is arranged on the inner side of the protective shell;

the bradyseism device includes:

the damper is fixedly arranged on the inner side of the protective shell;

the sliding block is connected in a sliding groove formed in the protective shell in a sliding manner;

the shock absorption plate is fixedly arranged at one end of the sliding block;

the fixed rod is fixedly connected to the inner side of the protective shell;

the movable rod is hinged at one end of the fixed rod;

the spring rod is hinged to one side of the movable rod;

the fixed block is fixedly arranged at the upper part of the protective shell;

and the closing device is arranged inside the fixed block.

The embodiment of the utility model provides an in, the dead lever is symmetrical with the articulated size of movable rod, and the movable rod is symmetrical with the spring beam is articulated, through setting up movable rod shrink spring beam, and the striking when reducing long-term pistoning brings the striking and plays the cushioning effect, prolongs the life of utensil.

In an embodiment of the present invention, the closing device includes:

the motor is fixedly arranged on the inner side of the fixed block;

the rotating rod is fixedly connected with two ends of a linkage shaft of the motor through an output end;

the first gear is fixedly connected to the rotating rod;

the first bevel gear is in meshed connection with the first gear;

the straight rod penetrates through two sides of the fixed block and is fixedly connected to the first bevel gear;

the second gear is fixedly connected to the straight rod;

the sliding tooth plate is in meshed connection with one side of the second gear;

the sliding tooth groove is fixedly connected to one side of the protective shell and is connected with the sliding tooth plate in a sliding mode;

the U-shaped sliding block is fixedly arranged on the side surface of the sliding toothed plate;

dust ring fixed connection is in the side of U type sliding block, through setting up the second gear retraction sliding tooth board to it leads to piston rod and cylinder to cause the damage and influences the holistic life that leakproofness reduces greatly to prevent to get into the dust in the great work operation of pollution, guarantees that cylinder and piston rod are interior clean.

The embodiment of the utility model provides an in, the bottom fixed connection of bradyseism board and cylinder, the big or small looks adaptation of bradyseism board and sliding block is more stable when letting whole bradyseism through setting up bradyseism board and cylinder fixed connection to rocking when preventing the piston motion leads to not hard up the normal piston state of influence.

The embodiment of the utility model provides an in, first gear is total two, first bevel gear is total two, second gear is total two, two first gear and first bevel gear meshing looks adaptation, the smooth pinion rack drives first bevel gear's rotation through setting up first gear revolve with second gear meshing size looks adaptation to make smooth pinion rack freely move from top to bottom, the suction ring is dismantled in maintenance and installation of being convenient for.

The embodiment of the utility model provides an in, U type sliding block and suction ring size looks adaptation, suction ring and piston rod size looks adaptation through setting up the fixed suction ring of U type sliding block, and the effectual dust that prevents on the piston rod brings into and leads to the leakproofness variation to influence the life-span in the cylinder.

(III) advantageous effects

Compared with the prior art, the utility model provides a piston rod of air cylinder protection device possesses following beneficial effect:

1. this cylinder piston rod protection device through setting up the second gear retraction sliding tooth board to make the work operation that prevents in the dust get into the dust and lead to piston rod and cylinder to cause the damage and influence the holistic life that leakproofness reduces greatly, guarantee in cylinder and the piston rod totally, it is more stable when letting whole bradyseism through setting up bradyseism board and cylinder fixed connection, thereby rock when preventing the piston and lead to becoming flexible to influence normal piston state.

2. This cylinder piston rod protection device drives first bevel gear's rotation through setting up first gear revolve to make smooth toothed bar freely move from top to bottom, the suction ring is dismantled with the installation to the maintenance of being convenient for, through setting up the fixed suction ring of U type sliding block, effectually prevents that the dust on the piston rod from bringing into and leading to the leakproofness variation influence life-span in the cylinder.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a front view of the present invention;

FIG. 2 is a top view of the present invention;

fig. 3 is a detailed view of the structure closing device of the present invention.

In the figure: 1. a cylinder; 2. a piston rod; 3. a protective shell; 4. a cushioning device; 401. a damper; 402. a slider; 403. a cushioning plate; 404. a fixing rod; 405. a movable rod; 406. a spring lever; 5. a fixed block; 6. a closure device; 601. a motor; 602. a rotating rod; 603. a first gear; 604. a first bevel gear; 605. a straight rod; 606. a second gear; 607. a sliding toothed plate; 608. a gullet; 609. a U-shaped sliding block; 610. a dust suction ring.

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.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary intended for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Example 1

As shown in fig. 1-3, the utility model provides a cylinder piston rod protection device, include: cylinder 1, 2 sliding connection of piston rod are in the inside of cylinder 1, and 3 fixed mounting of protective housing are at the outer wall of cylinder 1, and damping device 4 sets up in the inboard of protective housing 3, and damping device 4 includes: damper 401 fixed mounting is in the inboard of protective housing 3, sliding block 402 sliding connection is in the spout that protective housing 3 was seted up, bradyseism board 403 fixed mounting is in the one end of sliding block 402, dead lever 404 fixed connection is in the inboard of protective housing 3, movable rod 405 articulates the one end at dead lever 404, spring rod 406 articulates the one side at movable rod 405, fixed block 5 fixed mounting is on the upper portion of protective housing 3, closing device 6, the setting is in the inside of fixed block 5, bradyseism board 403 and cylinder 1's bottom fixed connection bradyseism board 403 and sliding block 402's big or small looks adaptation.

In this embodiment, let when whole bradyseism more stable through setting up bradyseism board 403 and cylinder 1 fixed connection to rocking when preventing the piston leads to becoming flexible to influence normal piston state, through setting up movable rod 405 shrink spring beam 406, the striking when reducing long-term piston motion brings the striking and plays cushioning effect, the life of extension utensil.

Example 2

As shown in fig. 1-3, on the basis of embodiment 1, the utility model provides a technical solution: preferably, the closing means 6 in this embodiment comprise: the motor 601 is fixedly arranged on the inner side of the fixed block 5; the rotating rod 602 is fixedly connected with two ends of a linkage shaft of the motor 601 through an output end; a first gear 603 fixedly connected to the rotating rod 602; a first bevel gear 604 meshed with the first gear 603; a straight rod 605 which penetrates through two sides of the fixed block 5 and is fixedly connected to the first bevel gear 604; the second gear 606 is fixedly connected to the straight rod 605; a sliding tooth plate 607 engaged with one side of the second gear 606; a sliding tooth groove 608 fixedly connected to one side of the protective shell 3 and slidably connected to the sliding tooth plate 607; the U-shaped sliding block 609 is fixedly arranged on the side surface of the sliding tooth plate 607; the dust suction ring 610 is fixedly connected to the side face of the U-shaped sliding block 609, the number of the first gears 603 is two, the number of the first bevel gears 604 is two, the number of the second gears 606 is two, the two first gears 603 are meshed and matched with the first bevel gears 604, and the meshing size of the sliding gear plate 607 is matched with that of the second gears 606.

On embodiment 1's basis, through setting up second gear 606 shrink sliding tooth board 607 to make the work operation that prevents in the dust get into the dust and lead to piston rod 2 and cylinder 1 to cause the damage and influence the leakproofness greatly and reduce holistic life, guarantee that cylinder 1 and piston rod 2 are interior clean.

The working principle of the cylinder piston rod protection device is described in detail below.

As shown in fig. 1-3, when in use, the motor 601 is started to rotate the second gear 606, so that the sliding tooth plate 607 can move up and down on the sliding tooth groove 608, and is convenient to maintain, install and disassemble, and meanwhile, the dust absorption ring 610 is fixed by arranging the U-shaped sliding block 609, so that the air cylinder 1 and the piston rod 2 are ensured to be clean, dust is prevented from entering during the working operation with large pollution, the piston rod 2 and the air cylinder 1 are damaged, the sealing performance is greatly influenced, the service life of the whole is shortened, the whole shock absorption is more stable by arranging the shock absorption plate 403 and the air cylinder 1 to be fixedly connected, and the shock 403 is prevented from shaking to cause looseness to influence the normal piston state, meanwhile, the shock absorption device 4 is fixedly arranged at one end of the shock absorption plate 403 when the piston moves for a long time, the shock absorption effect is achieved, and the service life of the tool is prolonged.

It should be noted that, in this document, relational terms such as first and second, and the like are 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 phrase "comprising a reference structure" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Claims

1. A cylinder piston rod protection device, comprising:

a cylinder (1);

the piston rod (2) is connected inside the cylinder (1) in a sliding manner;

the protective shell (3) is fixedly arranged on the outer wall of the cylinder (1);

a cushioning device (4) arranged on the inner side of the protective shell (3);

the shock absorber (4) includes:

a damper (401) fixedly mounted on the inner side of the protective shell (3);

the sliding block (402) is connected in a sliding groove formed in the protective shell (3) in a sliding manner;

a shock absorption plate (403) fixedly installed at one end of the sliding block (402);

the fixing rod (404) is fixedly connected to the inner side of the protective shell (3);

a movable lever (405) hinged to one end of the fixed lever (404);

a spring lever (406) hinged to one side of the movable lever (405);

the fixing block (5) is fixedly arranged at the upper part of the protective shell (3);

and the closing device (6) is arranged inside the fixed block (5).

2. A cylinder piston rod protector according to claim 1 characterized in that the fixed rod (404) is hinged symmetrically to the movable rod (405), and the movable rod (405) is hinged symmetrically to the spring rod (406).

3. A cylinder piston rod protector according to claim 1 including:

the closure device (6) comprises:

the motor (601) is fixedly arranged on the inner side of the fixing block (5);

the rotating rod (602) is fixedly connected with two ends of a coupler of the motor (601) through an output end;

a first gear (603) fixedly connected to the rotating rod (602);

the first bevel gear (604) is in meshed connection with the first gear (603);

the straight rod (605) penetrates through two sides of the fixing block (5) and is fixedly connected to the first bevel gear (604);

the second gear (606) is fixedly connected to the straight rod (605);

a sliding toothed plate (607) meshed with one side of the second gear (606);

the sliding tooth groove (608) is fixedly connected to one side of the protective shell (3) and is connected with the sliding tooth plate (607) in a sliding mode;

the U-shaped sliding block (609) is fixedly arranged on the side surface of the sliding toothed plate (607);

the dust ring (610) is fixedly connected to the side surface of the U-shaped sliding block (609).

4. A cylinder piston rod protector according to claim 1 in which: the damping plate (403) is fixedly connected with the bottom of the cylinder (1), and the damping plate (403) is matched with the sliding block (402) in size.

5. A cylinder piston rod protector according to claim 3 in which: the number of the first gears (603) is two, the number of the first bevel gears (604) is two, the number of the second gears (606) is two, the two first gears (603) are meshed and matched with the first bevel gears (604), and the sliding tooth plates (607) are meshed and matched with the second gears (606).

6. A cylinder piston rod protector according to claim 3 in which: the U-shaped sliding block (609) is matched with a dust ring (610) in size, and the dust ring (610) is matched with the piston rod (2) in size.