CN203453188U

CN203453188U - Acceleration cylinder

Info

Publication number: CN203453188U
Application number: CN201320537987.1U
Authority: CN
Inventors: 陈宗煌
Original assignee: Techwin Opto Electronics Co Ltd
Current assignee: Techwin Opto Electronics Co Ltd
Priority date: 2013-08-30
Filing date: 2013-08-30
Publication date: 2014-02-26
Anticipated expiration: 2023-08-30

Abstract

The utility model provides an acceleration cylinder. The acceleration cylinder comprises a cylinder barrel unit, a piston, a piston rod and an occupying column body. The cylinder barrel unit is provided with a cylinder barrel, a first end base and a second end base. The piston is contained inside a cylinder cavity of the cylinder barrel, the piston serves as the boundary of the cylinder cavity, and a return cylinder cavity and a process cylinder cavity are formed. The piston rod is contained inside the return cylinder cavity and combined with the piston. The occupying column body is contained inside the process cylinder cavity and combined with the piston. When the piston and the piston rod carry out the process movement, the occupying column body occupies the most space of the process cylinder cavity, and therefore media such as gas and oil can fill the space of the process cylinder cavity fast, the injection time of the media is shortened, and the boosting speed of the piston and the piston rod is increased.

Description

Speed-up cylinder

Technical field

The utility model, about a housing structure, especially can be promoted the oil hydraulic cylinder of schedule speed or the housing structure of pneumatic cylinder about a kind of.

Background technique

Pneumatic cylinder or oil hydraulic cylinder are that to take respectively gas or fluid be medium, promote piston and piston rod thereof and advance or bounce back, and make the pressure of gas or fluid to convert mechanical energy to via pneumatic cylinder or oil hydraulic cylinder, and the mechanism that drives piston rod outer end to link.

Its promotion medium using of pneumatic cylinder or oil hydraulic cylinder is different, and one is gas, and another is fluid, and both housing structures are identical.Fig. 1 is the generalized section that illustrates known general pneumatic cylinder or oil hydraulic cylinder.Refer to shown in Fig. 1, general pneumatic cylinder or oil hydraulic cylinder mainly comprise a cylinder barrel unit 910, a piston 920 and a piston rod 930.Cylinder barrel unit 910 has a cylinder barrel 911 and the first end seat 912 and the one second end seat 913 that are positioned at its two end part, and wherein first end seat 912 is provided with one and wears mouth 914; Two ends seat 912,913 be respectively equipped with a first interface 915 with one second interface 916 for to communicate with the cylinder chamber 917 of cylinder barrel 911 inside.Piston 920 is placed in the 917，Gang chamber, cylinder chamber 916 of cylinder barrel with piston 920Wei circle, and between piston 920 and first end seat 912, forms a kicker cylinder chamber 918, and forms a process cylinder chamber 919 between piston 920 and the second end seat 913.Piston rod 930 is placed in kicker cylinder chamber 918, and the inner end of piston rod 930 is incorporated into piston 920, and outer end stretches out in first end seat 912 via the mouth 914 of wearing of first end seat 912, can be for linking an external agency (not shown).

Piston rod 930 is when process action, medium (gas or fluid, not shown) by the second interface 916 of the second end seat 913, flow into process cylinder chamber 919, medium riddles process cylinder chamber 919 gradually and by piston 920 and piston rod 930 thereof, the direction toward first end seat 912 advances gradually, and the external agency that piston rod 930 outer ends are linked produces corresponding propelling action.On the contrary, when piston rod 930 moves in backhaul, medium flows into kicker cylinder chamber 919 by the first interface 915 of first end seat 912, medium riddles kicker cylinder chamber 918 gradually and by piston 920 and piston rod 930 thereof, the direction toward the second end seat 913 promotes and bounces back gradually, and the external agency that piston rod 930 outer ends are linked produces corresponding retraction action.

When process action, pneumatic cylinder or oil hydraulic cylinder are when its piston 920 and piston rod 930 (direction of first end seat 912) propelling gradually forward thereof, its process cylinder chamber 919 also increases gradually, and medium must be filled with completely in process cylinder chamber 919, could be by piston 920 forward impelling to first end seat 912.That is medium is filled with the fltting speed that will affect piston 920 and piston rod 930 thereof in the speed of process cylinder chamber 919.

And known pneumatic cylinder or oil hydraulic cylinder, its process cylinder chamber 919 is the space of complete spaciousness, it is when process action, the media such as gas or fluid to be filled with completely in increasing gradually and during completely spacious process cylinder chamber 919, the time of its gas injection spending (injecting gas) or oiling (injection fluid) is longer, that is, slow down the fltting speed of piston 920 and piston rod 930 thereof.

Model utility content

The utility model provides a kind of speed-up cylinder, can promote the schedule speed of oil hydraulic cylinder or pneumatic cylinder.

According to one side of the present utility model, a kind of speed-up cylinder is provided, comprise: a cylinder barrel unit, there is a cylinder barrel and be located at this cylinder barrel relatively to a first end seat and the one second end seat of end, the inside of cylinder barrel is a cylinder chamber, first and second end seat is respectively equipped with one first perforation and one second perforation, and is respectively equipped with a first interface and one second interface, and first and second interface communicates with cylinder chamber respectively; One piston, be placed in the cylinder chamber of cylinder barrel, piston have be positioned at relatively to one first end face and one second end face, piston be take as boundary in cylinder chamber, and between the first end face and this first end seat, form a kicker cylinder chamber, and between the second end face and the second end seat, form a process cylinder chamber; One piston rod, is placed in kicker cylinder chamber, piston rod have be positioned at relatively to an inner end and an outer end, inner end is incorporated into the first end face of piston, outer end stretches out in this first end seat via the first perforation; And an occupy-place cylinder, be placed in process cylinder chamber, occupy-place cylinder have be positioned at relatively to an inner end and an outer end, the inner end of occupy-place cylinder is incorporated into the second end face of piston, the outer end of occupy-place cylinder stretches out in the second end seat via the second perforation.According to this, at piston and piston rod thereof, during in process action, occupy-place cylinder can occupy most space of process cylinder chamber, makes the media such as gas or fluid can fill with rapidly the space of process cylinder chamber, shorten the injection length of medium, promote the fltting speed of piston and piston rod thereof.

According to an embodiment of the present utility model, the inner end of occupy-place cylinder is a tapered inner end.According to this, making to account for cylinder does not affect the propelling area of medium (gas or fluid) to piston, avoids affecting the propelling force of medium to piston.

According to an embodiment of the present utility model, piston runs through and is provided with a joining hole, and the inner end of piston rod is incorporated into this joining hole, and the inner end of piston rod has a screw, and the inner end of occupy-place cylinder has a double-screw bolt, and it is fixed at screw.According to this piston, piston rod and occupy-place cylinder are combined as a whole.

According to an embodiment of the present utility model, speed-up cylinder further includes be covered with dust an end seat, the exterior edge face that it is mounted on the second end seat, and the end seat that is covered with dust is provided with a cylinder perforation, and occupy-place cylinder passes this cylinder perforation.The end seat that is covered with dust has dustproof effect to the inside of cylinder barrel unit.

Accompanying drawing explanation

Fig. 1 is the generalized section that illustrates known pneumatic cylinder or oil hydraulic cylinder.

Fig. 2 is the stereoscopic figure illustrating according to the speed-up cylinder of the utility model one mode of execution.

Fig. 3 is the exploded view that illustrates the speed-up cylinder shown in Fig. 2.

Fig. 4 illustrates the sectional view of getting along the A-A line of the speed-up cylinder shown in Fig. 2.

Fig. 5 is the action schematic diagram that illustrates the speed-up cylinder shown in Fig. 4, shows that piston and piston rod thereof are in process status.

Fig. 6 is the action schematic diagram that illustrates the speed-up cylinder shown in Fig. 4, shows that piston and piston rod thereof are in backhaul state.

Embodiment

About addressing other technology contents, feature and effect before the utility model, in the middle of following cooperation describes in detail with reference to graphic embodiment, can clearly present.

Housing structure according to the speed-up cylinder of the utility model one mode of execution applicable to pneumatic cylinder or oil hydraulic cylinder.Refer to Fig. 2 to Fig. 4, according to the speed-up cylinder of the utility model one mode of execution, comprise a cylinder barrel unit 100, a piston 200, a piston rod 300, an occupy-place the cylinder 400 and end seat 500 that is covered with dust.

Relative a first end seat 120 and one second end seat 130 to end that cylinder barrel unit 100 has a cylinder barrel 110 and is located at this cylinder barrel.The inside of cylinder barrel 110 is a cylinder chamber 140.First end seat 120 and the second end seat 130 are respectively equipped with one first perforation 121 and 1 second perforation 131, and are respectively equipped with a first interface 122 and one second interface 132, and those interfaces communicate with cylinder chamber 140 respectively.First end seat 120 and the second end seat 130 are square, and between four bights of two ends seat, each mutually combines with a bolt 150.

Piston 200 is placed in the cylinder chamber 140 of cylinder barrel unit 100.Piston 200 have be positioned at relatively to one first end face 210 and one second end face 220.Cylinder chamber 140 is with piston 200Wei circle, and between the first end face 210 and first end seat 120, forms a kicker cylinder chamber 141, and forms a process cylinder chamber 142 between this second end face 220 and the second end seat 130.First interface 122 and the second interface 132 are the kicker cylinder chamber 141 and process cylinder chamber 142 that is communicated in respectively cylinder chamber 140.

Piston rod 300 is placed in kicker cylinder chamber 141.Piston rod 300 have be positioned at relatively to an inner end 310 and an outer end 320, wherein, inner end 310 is incorporated into the first end face 210 of piston 200, and outer end 320 stretches out in first end seat 120 via the first perforation 121, for linking an external agency (not shown).

Occupy-place cylinder 400 is placed in process cylinder chamber 142.Occupy-place cylinder 400 have be positioned at relatively to an inner end 410 and an outer end 420, wherein, inner end 410 is incorporated into the second end face 220 of piston 200, outer end 420 stretches out in the second end seat 130 via the second perforation 131.The inner end 410 of occupy-place cylinder 400 is a tapered inner end, and it does not affect the propelling area of medium (gas or fluid) to piston 200, avoids affecting the propelling force of medium to piston.

Combining structure between piston 200 and piston rod 300 and occupy-place cylinder 400 is, piston 200 runs through and is provided with a joining hole 230, the inner end 310 of piston rod 300 is incorporated into this joining hole 230, and the inner end 310 of piston rod 300 has a screw 330, the inner end 410 of occupy-place cylinder 400 has a double-screw bolt 430, and it is fixed at the screw 330 of piston rod 300.According to this piston 200, piston rod 300 are combined as a whole with occupy-place cylinder 400.

The end seat 500 that is covered with dust is mounted on the exterior edge face of the second end seat 130.The end seat 500 that is covered with dust is provided with a cylinder perforation 510, and occupy-place cylinder 400 passes this cylinder perforation 510.Be covered with dust and hold the inside of 500 pairs of cylinder barrel unit 100 of seat to there is dustproof effect.

See also shown in Fig. 5, piston rod 300 is when process action, and medium 600 flows into process cylinder chamber 142 by the second interface 132 of the second end seat 130.Medium riddle gradually process cylinder chamber 142 and gradually by piston 200 and piston rod 300 thereof forward (direction of first end seat 120) advance, the external agency that piston rod 300 outer ends 320 are linked produces corresponding propelling action.When piston 200 is gradually during forward impelling, although process cylinder chamber 142 also increases gradually, but because occupy-place cylinder 400 is also pushed into the most space that occupies process cylinder chamber 142 gradually, therefore make medium 600 can fill with rapidly the space of process cylinder chamber 142, that is, can promote the fltting speed of piston 200 and piston rod 300 thereof.

See also shown in Fig. 6, when piston rod 300 moves in backhaul, medium 600 flows into kicker cylinder chamber 141 by the first interface 122 of first end seat 120, medium riddles kicker cylinder chamber 141 gradually and by piston 200 and piston rod 300 thereof, the direction toward the second end seat 130 promotes and bounces back gradually, and the external agency that piston rod 300 outer ends 320 are linked produces corresponding retraction action.

Speed-up cylinder structure according to the utility model one mode of execution, at piston 200 and piston rod 300 thereof during in process action, occupy-place cylinder 400 can occupy most space of process cylinder chamber 142, make medium 600 can fill with rapidly the space of process cylinder chamber 142, shorten the injection length of medium 600, thereby can promote the fltting speed of piston 200 and piston rod 300 thereof.

Although the utility model discloses as above with mode of execution; so it is not in order to limit the utility model; any those of ordinary skills; within not departing from spirit and scope of the present utility model; when being used for a variety of modifications and variations, therefore protection domain of the present utility model is when being as the criterion depending on the appending claims person of defining.

Claims

1. a speed-up cylinder, is characterized in that, this speed-up cylinder comprises:

One cylinder barrel unit, there is a cylinder barrel and be located at this cylinder barrel relatively to a first end seat and the one second end seat of end, the inside of this cylinder barrel is a cylinder chamber, this first and second end seat is respectively equipped with one first perforation and one second perforation, and this first and second end seat is respectively equipped with a first interface and one second interface, this first and second interface communicates with this cylinder chamber respectively;

One piston, be placed in the cylinder chamber of this cylinder barrel, this piston have be positioned at relatively to one first end face and one second end face, this piston be take as boundary in this cylinder chamber, and between this first end face and this first end seat, form a kicker cylinder chamber, and between this second end face and this second end seat, form a process cylinder chamber;

One piston rod, is placed in this kicker cylinder chamber, this piston rod have be positioned at relatively to an inner end and an outer end, this inner end is incorporated into the first end face of this piston, first bore a hole and stretch out in this first end seat via this in this outer end; And

One occupy-place cylinder, be placed in this process cylinder chamber, this occupy-place cylinder have be positioned at relatively to an inner end and an outer end, the inner end of this occupy-place cylinder is incorporated into the second end face of this piston, second bore a hole and stretch out in this second end seat via this in the outer end of this occupy-place cylinder.

2. speed-up cylinder according to claim 1, wherein the inner end of this occupy-place cylinder is a tapered inner end.

3. speed-up cylinder according to claim 2, wherein this piston runs through and is provided with a joining hole, and the inner end of this piston rod is incorporated into this joining hole, and the inner end of this piston rod has a screw, the inner end of this occupy-place cylinder has a double-screw bolt, and this double-screw bolt is fixed at this screw.

4. according to the speed-up cylinder described in claims 1 to 3 any one, further include the end seat that is covered with dust, this end seat that is covered with dust is mounted on an exterior edge face for this second end seat, and this end seat that is covered with dust is provided with a cylinder perforation, and this occupy-place cylinder passes this cylinder perforation.