CN210531298U

CN210531298U - Combined hydraulic cylinder

Info

Publication number: CN210531298U
Application number: CN201921437077.XU
Authority: CN
Inventors: 李正凤
Original assignee: Yangzhou Yongfa Pneumatic Hydraulic Equipment Co Ltd
Current assignee: Yangzhou Yongfa Pneumatic Hydraulic Equipment Co Ltd
Priority date: 2019-08-30
Filing date: 2019-08-30
Publication date: 2020-05-15
Anticipated expiration: 2029-08-30

Abstract

The utility model relates to the technical field of hydraulic equipment, and discloses a combined hydraulic cylinder, which comprises a top plate and a cylinder body, wherein a piston rod is movably connected below the interior of the cylinder body, a ring plate is sleeved outside the piston rod, a stabilizing mechanism is arranged between the ring plate and a bottom plate, a user applies power to the piston rod through the cylinder body, the ring plate continuously moves downwards along with the piston rod, the supporting rod drives a base to move outwards in the interior of an elongated slot, the piston rod is supported by the supporting rods in four stabilizing mechanisms in an auxiliary manner during moving, so that the stability of the piston rod during moving downwards is ensured, the piston rod cannot shake randomly, the piston rod is stably supported by the four supporting rods, the excessive extrusion force applied when the piston rod moves downwards in the interior of the cylinder body can be prevented, and the extrusion force applied to the piston rod can be dispersed all around through the four, thereby reducing the extrusion force on the piston rod and effectively ensuring the stability of the hydraulic cylinder in use.

Description

Combined hydraulic cylinder

Technical Field

The utility model relates to a hydraulic equipment's technical field specifically is a modular pneumatic cylinder.

Background

The hydraulic cylinder is a hydraulic actuator which converts hydraulic energy into mechanical energy and makes linear reciprocating motion. Its simple structure, reliable operation, pneumatic cylinder output power and piston effective area and the pressure differential on both sides are directly proportional, and the pneumatic cylinder comprises cylinder and cylinder cap, piston and piston rod basically, and present majority pneumatic cylinder is when using, and the piston rod need carry out the work of up-and-down motion, and the extrusion force that the piston rod goes on article this moment can feed back to piston rod itself to make the piston rod continuously receive the extrusion force, the piston rod can take place to damage and then influence the normal use of pneumatic cylinder this moment.

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 modular pneumatic cylinder possesses advantages such as stability of guaranteeing the pneumatic cylinder use, has solved present majority pneumatic cylinder when using, and the piston rod need carry out the work of up-and-down motion, and the extrusion force that the piston rod goes on article this moment can feed back to piston rod itself to make the piston rod continuously receive the extrusion force, the piston rod can take place to damage and then influence the problem of pneumatic cylinder normal use this moment.

(II) technical scheme

For the purpose of realizing above-mentioned assurance pneumatic cylinder stability in use, the utility model provides a following technical scheme: a combined hydraulic cylinder comprises a top plate and a cylinder body, wherein the top plate is a rectangular plate body, the cylinder body is arranged above the top plate, four connecting columns are arranged on the lower surface of the top plate, the connecting columns are L-shaped columns, the upper ends of the four connecting columns are respectively and fixedly arranged at four corners of the lower surface of the top plate, the lower ends of the four connecting columns are fixedly connected with a bottom plate, the bottom plate is a rectangular plate body, the shape and size of the bottom plate are matched with those of the top plate, a piston rod is movably connected below the inside of the cylinder body and is a rectangular rod body, the piston rod provides up-and-down movement power through the cylinder body, the lower end of the piston rod penetrates through the upper surface of the top plate and extends to the lower end outside the top plate, the lower end of the piston rod penetrates through the upper surface of the bottom plate through the top plate and extends to the, the ring plate is fixedly connected with the piston rod, and square grooves are formed in four corners of the outer portion of the ring plate.

Every square groove's inside all is provided with stabilizing mean, every stabilizing mean all includes bracing piece, spring, elongated slot and rotation post, and the bracing piece is the rectangular rod body, and the upper end of bracing piece articulates in the inside of square groove, and the bracing piece rotates through square groove and crown plate to be connected, and the lower extreme of bracing piece is the convex, rotates the post and is circular cylinder, and the outer end of rotating the post runs through the inboard lower extreme of bracing piece and extends to the opposite side of bracing piece.

The long groove is formed in the upper surface of the bottom plate, a base is movably connected inside the long groove, a clamping groove is formed in the upper surface of the base, the lower end of the supporting rod is rotatably connected with the inside of the clamping groove through a rotating column, a cylinder is fixedly mounted on the inner side wall of the long groove, the outer end of the cylinder penetrates through the outer side of the base and extends to the inner wall of the other side of the inside of the long groove, a spring is sleeved outside the cylinder, the outer end of the spring is fixedly mounted on the inner side wall of the long groove, and the.

Preferably, the inside of the elongated slot communicates with the upper part of the outside of the base plate.

Preferably, the base is a rectangular block, and the outer part of the base is attached to the inner wall of the long groove.

Preferably, the clamping groove is a rectangular groove, and the inside of the clamping groove is communicated with the upper part of the outer part of the base.

Preferably, the shape and size of the clamping groove are the same as those of the cross section of the lower end of the supporting rod.

Preferably, the inner ring of the spring is attached to the outer wall of the cylinder.

Preferably, the square groove is a rectangular groove, and the inside of the square groove is communicated with the outside of the annular plate.

(III) advantageous effects

Compared with the prior art, the utility model provides a modular pneumatic cylinder possesses following beneficial effect:

1. the combined hydraulic cylinder is characterized in that a cylinder body and a top plate are matched with a supporting rod and a ring plate, a user applies power to the piston rod through the cylinder body to enable the piston rod to move downwards, the piston rod downwards passes through the inside of the top plate and penetrates through the inside of a bottom plate, the piston rod downwards moves to drive the ring plate to downwards move, the ring plate downwards moves to drive four stabilizing mechanisms on the ring plate to downwards operate, structures in each stabilizing mechanism are operated as follows, the ring plate downwards moves to drive the upper ends of the supporting rods to rotate inside square grooves, the ring plate continuously downwards moves along with the piston rod, the lower ends of the supporting rods rotate inside clamping grooves through rotating columns, then the supporting rods drive a base to outwards move inside elongated grooves, the piston rod moves through auxiliary supports of the supporting rods in the four stabilizing mechanisms when moving, and further ensures the stability of the piston rod when moving downwards, make the piston rod can not rock at will, and carry out the stable supporting to the piston rod through four bracing pieces and can prevent that the piston rod from receiving the extrusion force too big when the inside downstream of cylinder body, the extrusion force that the piston rod received can disperse all around through four bracing pieces, and then reduces the extrusion force that the piston rod received to the effectual stability of guaranteeing pneumatic cylinder in use.

2. This combination formula pneumatic cylinder through setting up spring and elongated slot cooperation base and draw-in groove, makes the base when the inside of elongated slot removes, can alleviate the speed that the base removed through the elasticity that resets that the spring produced to reach the effect that reduces the base and receive pressure, prevent that the base from receiving pressure and can not get the buffering for a long time, and then reduce base life's situation, effectual improvement the utility model discloses a life.

3. According to the combined hydraulic cylinder, the base and the cylinder are matched with the long groove, when the base moves in the long groove, the base is limited through the cylinder, so that the base can stably keep linear motion when moving in the long groove, the situation that the base deviates when moving is avoided, and the stability of the base when moving is effectively guaranteed.

Drawings

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

fig. 2 is a schematic diagram of a partial enlarged structure at a in fig. 1 according to the present invention.

In the figure: the device comprises a top plate 1, a stabilizing mechanism 2, a support rod 21, a base 22, a spring 23, a long groove 24, a rotating column 25, a cylinder 26, a clamping groove 27, a piston rod 3, a connecting column 4, a square groove 5, a ring plate 6, a bottom plate 7 and a cylinder body 8.

Detailed Description

The present invention will be described in further detail with reference to the drawings, wherein like elements are designated by like reference numerals, wherein the terms "front", "rear", "left", "right", "upper" and "lower", "bottom" and "top" used in the following description refer to the orientation in the drawings, and the terms "inner" and "outer" refer to the orientation toward or away from the geometric center of a particular element, respectively.

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. 1-2, the present invention provides a technical solution: a combined hydraulic cylinder comprises a top plate 1 and a cylinder body 8, wherein the top plate 1 is a rectangular plate body, the cylinder body 8 is arranged above the top plate 1, the lower surface of the top plate 1 is provided with four connecting columns 4, the connecting columns 4 are L-shaped cylinders, the upper ends of the four connecting columns 4 are respectively and fixedly arranged at four corners of the lower surface of the top plate 1, the lower ends of the four connecting columns 4 are fixedly connected with a bottom plate 7, the bottom plate 7 is a rectangular plate body, the shape and size of the bottom plate 7 are matched with those of the top plate 1, a piston rod 3 is movably connected below the interior of the cylinder body 8, the piston rod 3 is a rectangular rod body, the piston rod 3 provides up-and-down moving power through the cylinder body 8, the lower end of the piston rod 3 penetrates through the upper surface of the top plate 1 and extends to the lower end of the exterior of the top, through four spliced poles 4 with roof 1 and bottom plate 7 synchronous connection together, and fix roof 1 and four corners of bottom plate 7 mutually through four spliced poles 4, thereby the effectual steadiness of being connected between roof 1 and the bottom plate 7 that has improved, crown plate 6 has been cup jointed to the outside of piston rod 3, crown plate 6 is square crown plate, the inner circle laminating of crown plate 6 is in the outside of piston rod 3, crown plate 6 is fixed connection with piston rod 3, square groove 5 has all been seted up at four outside corners of crown plate 6, square groove 5 is the rectangle recess, and the inside of square groove 5 is linked together with the outside of crown plate 6.

Every square groove 5's inside all is provided with stabilizing mean 2, every stabilizing mean 2 all includes the bracing piece 21, a spring 23, the elongated slot 24 and rotates the post 25, the bracing piece 21 is the rectangular rod body, the upper end of bracing piece 21 articulates in the inside of square groove 5, the bracing piece 21 rotates through square groove 5 and crown plate 6 to be connected, the lower extreme of bracing piece 21 is the convex, it is circular cylinder to rotate the post 25, the outer end of rotating the post 25 runs through the inboard lower extreme of bracing piece 21 and extends to the opposite side of bracing piece 21.

The elongated slot 24 is arranged on the upper surface of the bottom plate 7, the inside of the elongated slot 24 is communicated with the upper part of the outside of the bottom plate 7, the inside of the elongated slot 24 is movably connected with the base 22, the base 22 is a rectangular block, the outside of the base 22 is attached to the inner wall of the elongated slot 24, the upper surface of the base 22 is provided with a clamping groove 27, the clamping groove 27 is a rectangular groove, the inside of the clamping groove 27 is communicated with the upper part of the outside of the base 22, the shape and the size of the clamping groove 27 are the same as the shape and the size of the cross section of the lower end of the supporting rod 21, the lower end of the supporting rod 21 is rotatably connected with the inside of the clamping groove 27 through a rotating column 25, a cylinder 26 is fixedly arranged on the inner side wall of the elongated slot 24, the outer end of the cylinder 26 penetrates through the outer side of the base, avoid base 22 to take place the situation of skew when removing to produce, spring 23 cup joints the outside at cylinder 26, and the inner circle laminating of spring 23 is at the outer wall of cylinder 26, the outer end fixed mounting of spring 23 is at the inside wall of elongated slot 24, the inner fixed connection of spring 23 is in the outside of base 22, through setting up spring 23, make base 22 when the inside of elongated slot 24 removes, the elasticity that resets that can produce through spring 23 alleviates the speed that base 22 removed, thereby reach and reduce the effect that base 22 received pressure, prevent that base 22 from receiving pressure and can not get the buffering for a long time, and then reduce base 22 life's situation, the effectual improvement the utility model discloses a service life.

When in use, the utility model is used,

in the first step, a user applies power to the piston rod 3 through the cylinder 8 to move the piston rod 3 downward, at this time, the piston rod 3 goes downward through the inside of the top plate 1 and the inside of the bottom plate 7, and the piston rod 3 moves downward to drive the ring plate 6 to move downward.

Secondly, the ring plate 6 moves downwards to drive the four stabilizing mechanisms 2 on the ring plate 6 to operate downwards, at the moment, the structure in each stabilizing mechanism 2 is operated as follows, the ring plate 6 moves downwards to drive the upper ends of the supporting rods 21 to rotate in the square groove 5, the ring plate 6 continuously moves downwards along with the piston rod 3, at the moment, the lower ends of the supporting rods 21 rotate in the clamping grooves 27 through the rotating columns 25, then the supporting rods 21 drive the base 22 to move outwards in the long grooves 24, the piston rod 3 is supported by the supporting rods 21 in the four stabilizing mechanisms 2 during moving, so that the stability of the piston rod 3 during moving downwards is ensured, the piston rod 3 cannot shake randomly, and the four supporting rods 21 can stably support the piston rod 3 to prevent overlarge extrusion force applied to the piston rod 3 during moving downwards in the cylinder 8, the extrusion force that the piston rod 3 received can be through four bracing pieces 21 to dispersing all around, and then reduces the extrusion force that the piston rod 3 received to effectual improvement the utility model discloses in use's stability.

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 a modular pneumatic cylinder, includes roof (1) and cylinder body (8), its characterized in that: cylinder body (8) set up the top in roof (1), the lower surface of roof (1) is provided with four spliced poles (4), lower extreme fixedly connected with bottom plate (7) of four spliced poles (4), the inside below swing joint of cylinder body (8) has piston rod (3), the lower extreme of piston rod (3) runs through the upper surface of roof (1) and extends to the outside lower extreme of roof (1), and the lower extreme of piston rod (3) runs through the upper surface of bottom plate (7) and extends to the outside below of bottom plate (7) via roof (1), crown plate (6) have been cup jointed to the outside of piston rod (3), square groove (5) have all been seted up in four corners of crown plate (6) outside, the inside of every square groove (5) all is provided with stabilizing mean (2).

2. The modular hydraulic cylinder of claim 1, wherein: each stabilizing mechanism (2) comprises a supporting rod (21), an elongated slot (24) and a rotating column (25), the upper end of the supporting rod (21) is hinged inside the square groove (5), and the outer end of the rotating column (25) penetrates through the lower end of the inner side of the supporting rod (21) and extends to the other side of the supporting rod (21).

3. The modular hydraulic cylinder of claim 2, wherein: the long groove (24) is formed in the upper surface of the bottom plate (7), the base (22) is movably connected inside the long groove (24), the clamping groove (27) is formed in the upper surface of the base (22), and the lower end of the supporting rod (21) is rotatably connected with the inside of the clamping groove (27) through the rotating column (25).

4. A modular hydraulic cylinder according to claim 3, wherein: and a cylinder (26) is fixedly arranged on the inner side wall of the long groove (24), and the outer end of the cylinder (26) penetrates through the outer side of the base (22) and extends to the inner wall of the other side in the long groove (24).

5. The modular hydraulic cylinder of claim 2, wherein: each stabilizing mechanism (2) further comprises a spring (23), the spring (23) is sleeved outside the cylinder (26), the outer end of the spring (23) is fixedly installed on the inner side wall of the long groove (24), and the inner end of the spring (23) is fixedly connected to the outer side of the base (22).