CN213511469U

CN213511469U - High-strength hinge type balance cylinder

Info

Publication number: CN213511469U
Application number: CN202022583567.XU
Authority: CN
Inventors: 唐青天; 杨瑷宁
Original assignee: Kunshan Litian Machinery Equipment Co ltd
Current assignee: Kunshan Litian Machinery Equipment Co ltd
Priority date: 2020-11-10
Filing date: 2020-11-10
Publication date: 2021-06-22
Anticipated expiration: 2030-11-10

Abstract

The utility model discloses a high strength hinge type balance cylinder, concretely relates to balance cylinder field, the power distribution box comprises a cylinder body, the export has been seted up to cylinder body one side, the exit activity is equipped with the cylinder cap, the fixed oil pipe that is equipped with in cylinder body one side, the inside activity of cylinder body is equipped with the piston, the piston is close to the fixed piston rod that is equipped with in cylinder cap one side, piston rod one end runs through the cylinder cap and extends to the cylinder cap outside, the cylinder body outer wall is equipped with the crown plate, a plurality of spouts have all been seted up to cylinder body outer wall surface and. The utility model discloses a set up the crown plate in the cylinder body outside, the piston rod is followed the piston rod and is removed together toward the long term crown plate that stretches out, plays the effect of connecting fixedly between piston rod and cylinder body, and the impact force when external object is collided to the cylinder body can be absorbed to the protection pad in the crown plate outside, compares with prior art, and the protectiveness is good, strengthens the fastness between piston rod and the cylinder body, and the sealed effect of skew influence takes place when avoiding the piston rod to stretch out.

Description

High-strength hinge type balance cylinder

Technical Field

The utility model relates to a balance cylinder field, concretely relates to high strength hinge type balance cylinder.

Background

The balance cylinder is a pneumatic carrying device which can realize the lifting or descending of the heavy object by utilizing the gravity of the heavy object and the pressure in the cylinder to achieve balance, is equivalent to a hydraulic actuating element which can convert hydraulic energy into mechanical energy and make linear reciprocating motion, has simple structure and reliable work, can remove a speed reducer when realizing reciprocating motion by using the balance cylinder, has no transmission clearance and moves stably, thereby being widely applied to hydraulic systems of various machines, and the output force of the hydraulic cylinder is in direct proportion to the effective area of a piston and the pressure difference between the two sides of the piston.

The prior art has the following defects: when the balance cylinder is used, one end of the piston rod is connected with a heavy object, and the longer the piston rod extends out, the eccentric movement is easy to occur, so that the sealing is not tight, and the oil leakage is caused to influence the use of the balance cylinder.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a high strength hinge type balance cylinder, through set up the crown plate in the cylinder body outside, the piston rod is followed the piston rod and is removed together toward the long term crown plate that stretches out, plays the effect of connecting fixedly between piston rod and cylinder body, and the impact force when external object collides the cylinder body can be absorbed to the protection pad in the crown plate outside, compares with prior art, and the protectiveness is good, strengthens the fastness between piston rod and the cylinder body, and the sealed effect of skew influence takes place in the time of avoiding the piston rod to stretch out.

In order to achieve the above object, the present invention provides the following technical solutions: a high-strength hinged balance cylinder comprises a cylinder body, wherein one side of the cylinder body is provided with an outlet, the outlet is movably provided with a cylinder cover, one side of the cylinder body is fixedly provided with an oil pipe, the inside of the cylinder body is movably provided with a piston, one side of the piston, which is close to the cylinder cover, is fixedly provided with a piston rod, one end of the piston rod penetrates through the cylinder cover and extends to the outer side of the cylinder cover, the outer wall of the cylinder body is provided with a ring plate, the outer wall surface of the cylinder body and the outer wall surface of the cylinder cover are respectively provided with a plurality of chutes, the chutes on the cylinder body are communicated with the chutes on the cylinder cover, the inside of each chute is movably clamped with a sliding block, the sliding block is fixedly arranged on the inner wall surface of the ring plate, one side of the ring plate, the cylinder body one side is fixed and is equipped with the connecting rod, the connecting rod outside and the piston rod outside all articulate there is the mounting panel.

Furthermore, a plurality of spouts are at cylinder body outer wall surface evenly distributed, slider and spout cross-section all set up to the T shape.

Further, both ends all are equipped with the screw about the cylinder cap, the cylinder cap passes through the screw and can dismantle with the cylinder body and be connected.

Furthermore, a through hole is formed in the surface of one side of the cylinder cover, an annular rubber sheet is fixedly arranged on the surface of the inner wall of the through hole, and the inner wall of the annular rubber sheet is in contact with the outer wall of the piston rod.

Furthermore, the mounting panel inboard is fixed and is equipped with the hinge, the mounting panel passes through the hinge and is connected with connecting rod, piston rod respectively.

Further, the front side surface of the mounting plate is in threaded connection with a bolt.

Further, the protection pad is made of rubber materials, and the steel wire is arranged in the cavity in a corrugated shape.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses a set up the crown plate outside the cylinder body, the piston rod is extended the long term crown plate and is followed the piston rod and move together, play the effect of connecting fixedly between piston rod and cylinder body, the impact force when external object collides the cylinder body can be absorbed to the protection pad in the crown plate outside, compare with prior art, the protectiveness is good, strengthens the fastness between piston rod and the cylinder body, avoids piston rod to take place to squint when extending and influence sealed effect;

2. the steel wire that sets up through protecting the pad cavity improves the buffering effect of protection pad to can prevent that the protection pad from using for a long time and taking place to warp and reduce the protection effect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

Fig. 1 is a cross-sectional view of the overall structure provided by the present invention;

FIG. 2 is a side view of the overall structure provided by the present invention;

fig. 3 is a sectional view of the cylinder head provided by the present invention;

FIG. 4 is an enlarged view of the portion A of FIG. 1 according to the present invention;

fig. 5 is a cross-sectional view of the overall structure of the piston provided by the present invention when moving;

in the figure: the device comprises a cylinder body 1, a cylinder cover 2, an oil pipe 3, a piston 4, a piston rod 5, a ring plate 6, a sliding chute 7, a sliding block 8, a circular plate 9, a protection pad 10, a cavity 11, a steel wire 12, a connecting rod 13, a mounting plate 14, screws 15, through holes 16, an annular rubber sheet 17, hinges 18 and bolts 19.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. 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 the attached drawings 1-5 of the specification, the high-strength hinge type balance cylinder of the embodiment comprises a cylinder body 1, an outlet is formed in one side of the cylinder body 1, a cylinder cover 2 is movably arranged at the outlet, an oil pipe 3 is fixedly arranged on one side of the cylinder body 1, a piston 4 is movably arranged in the cylinder body 1, a piston rod 5 is fixedly arranged on one side, close to the cylinder cover 2, of the piston 4, one end of the piston rod 5 penetrates through the cylinder cover 2 and extends to the outer side of the cylinder cover 2, a ring plate 6 is arranged on the outer wall of the cylinder body 1, a plurality of sliding grooves 7 are formed in the outer wall surface of the cylinder body 1 and the outer wall surface of the cylinder cover 2, the sliding grooves 7 in the cylinder body 1 are communicated with the sliding grooves 7 in the cylinder cover 2, a sliding block 8 is movably clamped in the sliding grooves 7, the sliding block 8 is fixedly arranged on, 6 outer wall fixed surface of crown plate is equipped with protection pad 10, cavity 11 has been seted up to protection pad 10 inside, cavity 11 internal fixation is equipped with steel wire 12, 1 one side fixed of cylinder body is equipped with connecting rod 13, the connecting rod 13 outside and the piston rod 5 outside all articulate there is mounting panel 14.

Further, a plurality of spouts 7 are in 1 outer wall surface evenly distributed of cylinder body,

slider

8 and 7 cross-sections of spout all set up to the T shape, improve the stability of crown plate 6 when removing.

Further, both ends all are equipped with screw 15 about cylinder cap 2, cylinder cap 2 can dismantle with cylinder body 1 through screw 15 and be connected, and cylinder cap 2 is dismantled in easy to assemble, clears up 1 insides of cylinder body.

Further, a through hole 16 is formed in the surface of one side of the cylinder cover 2, an annular rubber sheet 17 is fixedly arranged on the surface of the inner wall of the through hole 16, the inner wall of the annular rubber sheet 17 is in contact with the outer wall of the piston rod 5, and the sealing performance between the piston rod 5 and the through hole 16 is improved.

Further, the hinge 18 is fixedly arranged on the inner side of the mounting plate 14, the mounting plate 14 is connected with the connecting rod 13 and the piston rod 5 through the hinge 18 respectively, and the hinge 18 is used for connection, so that the installation angle can be adjusted by a worker conveniently.

Further, a bolt 19 is threadedly coupled to a front side surface of the mounting plate 14.

Further, protection pad 10 is made by rubber materials, steel wire 12 sets up for the corrugate in cavity 11, not only can improve protection pad 10's buffering effect, can also prevent that protection pad 10 from taking place to warp and reducing the protection effect for long-time the use.

The utility model discloses the theory of operation:

referring to the attached drawings 1-5 of the specification, when in use, the piston rod 5 on the piston 4 is connected with an object to be supported in a balanced manner through the bolt 19 on the mounting plate 14, then the mounting plate 14 at the bottom of the cylinder body 1 is mounted on the support, the mounting plate 14 is connected with the piston rod 5 and the connecting rod 13 through the hinge 18, so that the installation angle can be conveniently adjusted by a worker to realize hinge type installation, after the installation is finished, oil enters the cylinder body through the oil pipe 3 to push the piston 4 to do linear reciprocating motion, when the piston 4 moves towards the outer side of the cylinder body, the piston rod 5 is pushed to move in the through hole 16, the annular rubber sheet 17 in the through hole 16 has elasticity and is always contacted with the outer wall of the piston rod 5, the sealing property between the piston rod 5 and the through hole 16 is improved, when the piston rod 5 moves, the circular plate 9 moves to drive, the ring plate 6 slides in the spout 7 on the jar body through slider 8 on the inner wall, all set up slider 8 and spout 7 into the T shape, improve the stability of ring plate 6 on cylinder body 1, ring plate 6 removes along with piston rod 5, play spacing connection's effect between piston rod 5 and cylinder body 1, prevent that the overlength that piston rod 5 stretches from taking place the skew, it causes the weeping to lead to the appearance clearance in piston 4 and the 1 inner wall of cylinder body, the protection pad 10 that the ring plate 6 outside set up can also play the effect of protection in the ring plate 6 outside, effectively reduce the impact force when external object collides cylinder body 1, ripple form steel wire 12 in the protection pad 10 plays the effect of support in the cavity 11 of protection pad 10, prevent that the protection pad 10 from using for a long time and taking place to warp. Through the screw 15 that sets up between cylinder cap 2 and the cylinder body 1, easy to assemble dismantles cylinder cap 2 and clears up 1 insides of cylinder body.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. The utility model provides a high strength hinge type balance cylinder, includes cylinder body (1), its characterized in that: the outlet is formed in one side of the cylinder body (1), the cylinder cover (2) is movably arranged in the outlet, an oil pipe (3) is fixedly arranged on one side of the cylinder body (1), a piston (4) is movably arranged in the cylinder body (1), a piston rod (5) is fixedly arranged on one side, close to the cylinder cover (2), of the piston (4), one end of the piston rod (5) penetrates through the cylinder cover (2) and extends to the outer side of the cylinder cover (2), a ring plate (6) is arranged on the outer wall of the cylinder body (1), a plurality of sliding grooves (7) are formed in the outer wall surface of the cylinder body (1) and the outer wall surface of the cylinder cover (2), the sliding grooves (7) in the cylinder body (1) are communicated with the sliding grooves (7) in the cylinder cover (2), a sliding block (8) is movably clamped in the sliding grooves (7), the sliding block (8) is fixedly arranged on the inner wall surface, fixed cover of plectane (9) is established on piston rod (5) outer wall surface, crown plate (6) outer wall fixed surface is equipped with protection pad (10), cavity (11) have been seted up to protection pad (10) inside, cavity (11) internal fixation is equipped with steel wire (12), fixed connecting rod (13) that are equipped with in cylinder body (1) one side, the connecting rod (13) outside and piston rod (5) outside all articulate there is mounting panel (14).

2. A high strength hinged balance cylinder as defined in claim 1 wherein: a plurality of spout (7) are at cylinder body (1) outer wall surface evenly distributed, slider (8) and spout (7) cross-section all set up to the T shape.

3. A high strength hinged balance cylinder as defined in claim 1 wherein: both ends all are equipped with screw (15) about cylinder cap (2), cylinder cap (2) can be dismantled with cylinder body (1) through screw (15) and be connected.

4. A high strength hinged balance cylinder as defined in claim 1 wherein: through-hole (16) have been seted up to cylinder cap (2) one side surface, through-hole (16) inner wall fixed surface is equipped with annular sheet rubber (17), annular sheet rubber (17) inner wall and piston rod (5) outer wall contact.

5. A high strength hinged balance cylinder as defined in claim 1 wherein: the hinge (18) is fixedly arranged on the inner side of the mounting plate (14), and the mounting plate (14) is connected with the connecting rod (13) and the piston rod (5) through the hinge (18) respectively.

6. A high strength hinged balance cylinder as defined in claim 1 wherein: the front side surface of the mounting plate (14) is in threaded connection with a bolt (19).

7. A high strength hinged balance cylinder as defined in claim 1 wherein: the protection pad (10) is made of rubber materials, and the steel wires (12) are arranged in the cavities (11) in a corrugated shape.