CN103573745A

CN103573745A - Dual-head dual-effect multi-stage air cylinder with air pipe in cylinder

Info

Publication number: CN103573745A
Application number: CN201210280382.9A
Authority: CN
Inventors: 洪川
Original assignee: SHENZHEN LAND ECO ENVIRONMENT TECHNOLOGY Co Ltd
Current assignee: SHENZHEN LAND ECO ENVIRONMENT TECHNOLOGY Co Ltd
Priority date: 2012-08-08
Filing date: 2012-08-08
Publication date: 2014-02-12

Abstract

The invention discloses a dual-head dual-effect multi-stage air cylinder with an air pipe in the cylinder. The dual-head dual-effect multi-stage air cylinder comprises a multi-stage air cylinder (1) and a single-stage air cylinder (2), which are provided with the same rear cover (3) and are oppositely arranged, wherein three vents (31, 32, 33) are formed in the rear cover (3); the multi-stage air cylinder (1) comprises at least three two-stage air cylinders (11, 12, 13) and a first piston rod (14); an axial hole (142) in the rear end of the first piston rod (14) is connected with the second vent (32) in the rear cover (3) through a soft air pipe; radial through holes (1121, 1221, 1321) in the side surfaces of air cylinder pistons (112, 122, 132) are communicated with radial through holes (1211, 1311, 141) in the side surfaces of each level of slide cylinders (121, 131) and in the side surface of the first piston rod (14); the radial through hole (141) and the axial hole (142) in the first piston rod (14) are communicated with each other. Compared with the prior art, the dual-head dual-effect multi-stage air cylinder has the advantages of dual purposes, relatively small occupation space, suitability of being used in a sealed container, and relatively high production efficiency.

Description

Double end two-action multi-stage cylinder with pneumatic tube in cylinder

[technical field]

The present invention relates to parts be moved on to the fluid actuator of another position from a position, relate in particular to and take the fluid actuator of the straight-cylinder telescopic type that motor configuration is feature, particularly relate to the double-acting multi-stage cylinder of double end.The filtrate being mainly used in water filter production process compresses and end socket lifting.

[background technique]

In water filter production process, need filtrate is compressed and end socket is lifted by crane, these two work of prior art are to use respectively two single-stage cylinder activation, take up room larger, and manufacturing efficiency is lower; Cylinder to-and-fro motion pneumatic tube is arranged on cylinder barrel outside simultaneously, is not suitable for being arranged in seal container and uses.

[summary of the invention]

The technical problem to be solved in the present invention be to avoid above-mentioned the deficiencies in the prior art part and provide a kind of take up room less, be adapted to be mounted within seal container use, the double end two-action multi-stage cylinder with pneumatic tube in cylinder that manufacturing efficiency is higher.

The technological scheme that the present invention solve the technical problem employing is: a kind of double end two-action multi-stage cylinder with pneumatic tube in cylinder, comprises and have a set of multi-stage cylinder and a set of single-stage cylinder that the opposition of same bonnet is installed; On described bonnet, comprise the first ventilating hole for multi-stage cylinder, the second ventilating hole and for the 3rd ventilating hole of single-stage cylinder; Described multi-stage cylinder comprises to be built at least two-stage cylinder connecting successively and is installed on the first piston bar on final stage cylinder from afterwards; There is axial bore in the center portion, rear end of described first piston bar, between this axial bore and the second ventilating hole on bonnet, with soft pneumatic tube, is connected; The side of each cylinder piston has radial direction through hole, communicate with the radial direction through hole on these pistons, be fixed on the cylinder barrels at different levels side and the first piston bar side that on the inner side surface of described piston, with it, are in axial sliding and have radial direction through hole, the radial direction through hole on first piston bar communicates with axial bore; Described single-stage cylinder comprises single-stage cylinder barrel, single stage piston, single-stage protecgulum and the second piston rod, on single-stage protecgulum, has four-way gas port.

Described soft pneumatic tube can be the soft pneumatic tube of spiral helicine elasticity.

On the first order cylinder barrel outer side surface of described multi-stage cylinder, can there is fixed flange, by pull bar, described multi-stage cylinder is installed on workpiece (filter).

Described first piston bar and the second piston rod are as two working heads (double end) of the described double end two-action multi-stage cylinder with pneumatic tube in cylinder, and first piston bar can be used for the compression of filtrate, and the second piston rod can be used for end socket lifting.

When the first ventilating hole from multi-stage cylinder is input into pressurized air, the slip cylinder barrels at different levels of multi-stage cylinder stretch out under compressed-air actuated effect successively from the second cylinder barrel to first piston bar; When the at different levels slip cylinder barrels of multi-stage cylinder from first piston bar to second level cylinder barrel when the second ventilating hole is input into pressurized air, under compressed-air actuated effect, according to reversed sequence, retract, form the double-action that multi-stage cylinder and first piston bar are stretched, contracted.

When the 3rd ventilating hole from single-stage cylinder is input into pressurized air, the second piston rod of single-stage cylinder stretches out under compressed-air actuated effect; When the second piston rod of single-stage cylinder when four-way gas port is input into pressurized air, under compressed-air actuated effect, retract, form the double-action that single-stage cylinder and the second piston rod are stretched, contracted.

The invention has the beneficial effects as follows: dual-use material, take up room less, manufacturing efficiency is higher.Under equal cylinder stroke length, shorten cylinder barrel total length, effectively reduce outfit of equipment height, the helical elastic hose that cylinder to-and-fro motion is used is arranged on cylinder barrel inside, is particularly suitable for being arranged in airtight container and uses.

[accompanying drawing explanation]

Fig. 1 is that the present invention is with the multi-stage cylinder contraction of the double end two-action multi-stage cylinder preferred embodiment of pneumatic tube in cylinder, the structural representation of single-stage cylinder extended configuration;

Fig. 2 is that the multi-stage cylinder of the described preferred embodiment of the present invention stretches, the structural representation of single-stage cylinder contraction state;

Fig. 3 is the A portion enlarged view of Fig. 1.

In figure: 1 is that multi-stage cylinder, 2 is that single-stage cylinder, 3 is that bonnet, 4 is fastening flange;

In

multi-stage cylinder

1,11 be first order cylinder, in first order cylinder 11,111 be first order cylinder barrel, 112 for first order piston, 113 be first order protecgulum; 12 be second level cylinder, in second level cylinder 12,121 be second level cylinder barrel, 122 for second level piston, 123 be second level protecgulum; 13 be third level cylinder, in third level cylinder 13,131 be third level cylinder barrel, 132 for third level piston, 133 be third level protecgulum; 14 is first piston bar;

In single-

stage cylinder

2,21 for single-stage cylinder barrel, 22 is for single stage piston, 23 is for single-stage protecgulum, 231 is that four-way gas port (single-stage cylinder is used), 24 is the piston rod of single-stage cylinder 2, i.e. the second piston rod;

In

bonnet

3,31 is that the first ventilating hole (multi-stage cylinder with), 32 is that the second ventilating hole (multi-stage cylinder with), 33 is the 3rd ventilating hole (single-stage cylinder with);

In first piston bar 14,141 is that radial direction through hole, 142 is axial bore;

1121,1221 and 1321 is respectively radial direction through hole on first order piston 112, second level piston 122 and third level piston 132;

1211,1311 is respectively radial direction through hole on second level cylinder barrel and third level cylinder barrel.

[embodiment]

Below in conjunction with accompanying drawing, the present invention is further described.

Referring to each accompanying drawing, the present invention, with the preferred embodiment of the double end two-action multi-stage cylinder of pneumatic tube in cylinder, comprises a set of multi-stage cylinder 1 and a set of single-stage cylinder 2 of the opposition installation with same bonnet 3; On described bonnet 3, comprise the first ventilating hole 31 for multi-stage cylinder 1, the second ventilating hole 32 and for the 3rd ventilating hole 33 of single-stage cylinder; Described multi-stage cylinder 1 comprises at least two-

stage cylinder

11,12,13 connecting successively from bonnet 3 and is installed on the first piston bar 14 final stage cylinder 13; There is axial bore 142 in the center portion, rear end of described first piston bar 14, between this axial bore 142 and the second ventilating hole 32 on bonnet 3, with soft pneumatic tube, is connected; The side of each cylinder piston 112,122,132 has radial direction through hole 1121,1221,1321, communicate with the radial direction through hole on these pistons, be fixed on cylinder barrels at different levels 121,131 sides and first piston bar 14 sides that on the inner side surface of described piston 112,122,132, with it, are in axial sliding and have radial direction through hole 1211,1311 and 141, the radial direction through hole 141 on first piston bar 14 communicates with axial bore 142; Described single-stage cylinder 2 comprises single-stage cylinder barrel 21, single stage piston 22, single-stage protecgulum 23 and the second piston rod 24, on single-stage protecgulum 23, has four-way gas port 231.

In a preferred embodiment of the invention, described soft pneumatic tube is the soft pneumatic tube of spiral helicine elasticity.

In a preferred embodiment of the invention, on first order cylinder barrel 111 outer side surfaces of described multi-stage cylinder 1, be fixed with flange plate 4, by pull bar, described multi-stage cylinder be installed on filter.

Described first piston bar 14 and the second piston rod 24 are as two working heads (double end) of the described double end two-action multi-stage cylinder with pneumatic tube in cylinder, and first piston bar 14 is for the compression of water filter filtrate, and the second piston rod 24 can be used for end socket lifting.

When the first ventilating hole 31 from multi-stage cylinder 1 is input into pressurized air, the slip cylinder barrels at different levels 121,131 of multi-stage cylinder 1 stretch out under compressed-air actuated effect successively from the second cylinder barrel 121 to first piston bar 14; When being input into pressurized air from the second ventilating hole 32, the at different levels slip cylinder barrels of multi-stage cylinder 1 from first piston bar 14 to second level cylinder barrel 121 are retracted according to reversed sequence under compressed-air actuated effect, form the double-action that multi-stage cylinder 121,131 and first piston bar 14 are stretched, contracted.

When the 3rd ventilating hole 33 from single-stage cylinder 2 is input into pressurized air, the second piston rod 24 of single-stage cylinder 2 stretches out under compressed-air actuated effect; When being input into pressurized air from four-way gas port 231, the second piston rod 24 of single-stage cylinder 2 is retracted under compressed-air actuated effect, forms the double-action that the second piston rod of single-stage cylinder 2 is stretched, contracted.

Claims

1. with a double end two-action multi-stage cylinder for pneumatic tube in cylinder, it is characterized in that:

The a set of multi-stage cylinder (1) and a set of single-stage cylinder (2) that comprise the opposition installation with same bonnet (3); On described bonnet (3), comprise the first ventilating hole (31) for multi-stage cylinder (1), the second ventilating hole (32) and for the 3rd ventilating hole (33) of single-stage cylinder; Described multi-stage cylinder (1) comprises at least two-stage cylinder (11,12,13) connecting successively from bonnet (3) and is installed on the first piston bar (14) final stage cylinder (13); There is axial bore (142) in the center portion, rear end of described first piston bar (14), between this axial bore (142) and the second ventilating hole (32) on bonnet (3), with soft pneumatic tube, is connected; The side of each cylinder piston (112,122,132) has radial direction through hole (1121,1221,1321), communicate with the radial direction through hole on these pistons, be fixed on cylinder barrels at different levels (121, the 131) side and first piston bar (14) side that on the inner side surface of described piston (112,122,132), with it, are in axial sliding and have radial direction through hole (1211,1311 and 141), the radial direction through hole (141) on first piston bar (14) communicates with axial bore (142); Described single-stage cylinder (2) comprises single-stage cylinder barrel (21), single stage piston (22), single-stage protecgulum (23) and the second piston rod (24), on single-stage protecgulum (23), has four-way gas port (231).

2. the double end two-action multi-stage cylinder with pneumatic tube in cylinder according to claim 1, is characterized in that:

Described soft pneumatic tube is the soft pneumatic tube of spiral helicine elasticity.

3. the double end two-action multi-stage cylinder with pneumatic tube in cylinder according to claim 1, is characterized in that:

On first order cylinder barrel (111) outer side surface of described multi-stage cylinder (1), be fixed with flange plate (4), by pull bar, described multi-stage cylinder be installed on filter.