CN106499692B - It is two-way freely to concatenate connecting rod cylinder - Google Patents
It is two-way freely to concatenate connecting rod cylinder Download PDFInfo
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- CN106499692B CN106499692B CN201610846796.1A CN201610846796A CN106499692B CN 106499692 B CN106499692 B CN 106499692B CN 201610846796 A CN201610846796 A CN 201610846796A CN 106499692 B CN106499692 B CN 106499692B
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- air flue
- cylinder body
- cylinder
- central housing
- piston bar
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1409—Characterised by the construction of the motor unit of the straight-cylinder type with two or more independently movable working pistons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Actuator (AREA)
Abstract
The present invention relates to a kind of frock clamp, and connecting rod cylinder is freely concatenated more particularly, to one kind is two-way.It is two-way freely to concatenate connecting rod cylinder, including cylinder body, described cylinder body includes left cylinder and right cylinder body, left piston bar is provided with the axis of left cylinder, right piston bar is provided with the axis of right cylinder body, left air flue is provided through in the middle part of left cylinder, right air flue is provided through in the middle part of right cylinder body, the side wall of left cylinder is provided with the left gas port being connected with left air flue and middle gas port, the right gas port being connected with right air flue is provided with the side wall of right cylinder body, central housing is provided between left cylinder and right cylinder body, the connection air flue that can be connected with left air flue and right air flue is provided with the middle part of central housing.It is of the invention to have and convert the beneficial effects such as stroke, two-way achievable flexible, as needed conversion telescopic direction according to being actually needed.
Description
Technical field
The present invention relates to a kind of frock clamp, and connecting rod cylinder is freely concatenated more particularly, to one kind is two-way.
Background technology
With the continuous development of machinery manufacturing industry, processing method also updates therewith with equipment, the compression mode of clamp for machining
Progressively substituted by original compress by hand by air pressure and oil pressure.Air is reproducible, cleaning, does not pollute the environment, is pressing from both sides
In the case that clamp force is less demanding, pneumatic clamping is more more convenient than hydraulic clamp more economical.Meanwhile there is air in each processing enterprise
Compressor, concentrate and compressed air is provided, for hydraulic clamp, it is not necessary to which every lathe is all equipped with hydraulic station, Neng Goujie
About invest, save place and reduce energy resource consumption, thus air-actuated jaw in machining using more and more extensive.It is either high
Digit Control Machine Tool, machining center or the machine tool of precision, air-actuated jaw can give play to huge effect, can stablize and produce
Quality, the labor intensity improve production efficiency, save production cost, reducing operator.Air-actuated jaw pass through frequently with mode
It is directly to be cylinder for second using cylinder and mechanical linkage coordinates and collectively constitutes air-actuated jaw to have two kinds of one kind.It is elongated processing
Found in lath-shaped workpiece, existing cylinder has that space-consuming is big, and fixture space-consuming means to add greatly in clamping process
Work workpiece space reduce, can clamping workpiece quantity reduce, so as to reduce processing efficiency, and due to the difference cylinder species of workpiece
Excessively, when in use for different strokes, it is necessary to buy a variety of stroke cylinders respectively, replaceability is not strong, and cylinder is in workpiece
Between the problems such as being sized inconvenience.
The content of the invention
The present invention primarily directed to above mentioned problem, there is provided one kind can according to be actually needed conversion stroke, it is two-way can be real
Now stretch, conversion the two-way of telescopic direction freely concatenates connecting rod cylinder as needed.
The purpose of the present invention is mainly what is be achieved by following proposal:One kind is two-way freely to concatenate connecting rod cylinder, bag
Cylinder body is included, described cylinder body includes left cylinder and right cylinder body, left piston bar, the axis of right cylinder body are provided with the axis of left cylinder
Place is provided with right piston bar, and left air flue is provided through in the middle part of left cylinder, and right air flue is provided through in the middle part of right cylinder body, left
The side wall of cylinder body is provided with the left gas port being connected with left air flue and middle gas port, is provided with the side wall of right cylinder body and right air flue phase
The right gas port of connection, central housing is provided between left cylinder and right cylinder body, being provided with the middle part of central housing can be with left air flue
The connection air flue connected with right air flue.Cylinder body includes left cylinder and right cylinder body, and left piston bar, right cylinder are set at the axis of left cylinder
Right piston bar is set at the axis of body, and left piston bar and right piston bar are respectively facing two different directions, when left piston bar is stretched
It can apply pressure to the workpiece in left side when long, can apply pressure to the workpiece on right side when right piston bar extends.When left work
Stopper rod and right piston bar can apply pressure to the workpiece of both sides simultaneously when all extending, and it is simultaneously right can now to arrange multiple cylinder bodies
Multiple workpiece are combined clamping.Central housing is set between left cylinder and right cylinder body, increased using the thickness of central housing left
The distance between cylinder body and right cylinder body, and then increase the length of whole cylinder body, that is, increase the stroke of whole cylinder body, according to reality
Stroke is needed, and the central housing of different numbers can be set between left cylinder and right cylinder body.Left piston bar is located at left cylinder
In left air flue, right piston bar is located in the right air flue of right cylinder body, when central housing connection air flue close when, air compressor to
When being filled with gases at high pressure in left gas port, gases at high pressure enter left air flue and outwards extrude left piston bar, realize left piston bar
Elongation;Air compressor is filled with to the right gases at high pressure in gas port when, gases at high pressure enter right air flue and by right piston bar to external pressure
Go out, realize the elongation of right piston bar.When the connection airway open of central housing, left air flue, right air flue and connection air flue phase
Intercommunicated, gases at high pressure simultaneously extrude left piston bar and right piston bar, are pressed while realizing left piston bar and right piston bar,
Multiple cylinder body combined serials can be now used, while to the common clamping of multiple workpiece.
Preferably, being hinged with briquetting on described left piston bar and right piston bar, briquetting is L-shaped, in briquetting
Portion is provided with chute, and locating rod is slidably connected on left cylinder and right cylinder body, and free end and the chute of locating rod are hinged.Left work
Briquetting is hinged with stopper rod and right piston bar, briquetting is L-shaped, when left piston bar and the elongation of right piston bar, promotes briquetting
Pressed to one end away from cylinder body.Chute is provided with the middle part of briquetting, when briquetting is fed, locating rod can play a supporting role
Follow left piston bar or right piston bar feed and briquetting is slidably supported in chute.
Preferably, being provided with positioning pipe at described connection air flue axis, positioning pipe passes through several support arms and company
The inwall of airway is fixedly linked, and the section of support arm is uniformly distributed in sector, several support arms around the axis of positioning pipe,
The outer surface of support arm is connected with connection air flue inner thread.Positioning pipe is provided with connection air flue axis, positioning pipe passes through branch
Brace is fixedly linked with connecting the inwall of air flue, and the section of support arm is in sector, and several support arms are around positioning pipe
Axis is uniformly distributed, and the part between two neighboring support arm can ensure the unimpeded of whole connection air flue, while ensure to position
Pipe uniform force, make positioning pipe all the time with to connect air flue coaxial.The outer surface of support arm is connected with connection air flue inner thread, i.e.,
Support arm and positioning pipe can individually produce, and coordinated by screw thread and assembled., can after installation positioning pipe in air flue is connected
Multiple central housings are linked together using positioning pipe.
Preferably, being provided through connecting shaft inside positioning pipe, two neighboring central housing is connected by connecting shaft.It is fixed
Connecting shaft is provided through inside the pipe of position, two neighboring central housing is connected by connecting shaft, is easy to the assembling of central housing.
Preferably, be provided with governor motion between two neighboring central housing, governor motion includes the first positioning strip, the
Two positioning strips and flexible sealing ring, one end of flexible sealing ring is fixed on the first positioning strip, the other end is fixed on the second positioning
Several folding lines are provided with bar, on flexible sealing ring, are provided with locating notch on the end face of two central housing fittings, even
Locating slot is provided with the middle part of spindle, one end of the first positioning strip is at the locating notch of a central housing, other end position
In in locating slot, one end of the second positioning strip is located at the locating notch of another central housing, the other end is located in locating slot;
The size of flexible sealing ring matches with connecting shaft outer surface to the position connected between air flue inner surface.Two neighboring middle cylinder
Governor motion is provided between body, the opening and closing of connection air flue can be adjusted by governor motion, when governor motion is opened
When, connection air flue is got through, and left piston bar and right piston bar stretch out simultaneously;When governor motion is closed, connection air flue is closed, respectively
Gases at high pressure are filled with air flue and right air flue to the left, can individually control the stretching of left piston bar or right piston bar.Governor motion
Including the first positioning strip, the second positioning strip and flexible sealing ring, one end of flexible sealing ring is fixed on the first positioning strip, is another
End is fixed on the second positioning strip, and several folding lines are provided with flexible sealing ring, when the second positioning strip and first position
When bar position is staggered, flexible sealing ring is gradually spread out with the second positioning strip, when the second positioning strip rounds and determines with first
When position bar overlaps once again, flexible sealing ring is fully deployed into fan annular.When two neighboring central housing is bonded, the first positioning strip
One end at the locating notch of central housing, locating notch can be spacing to the first positioning strip, the second positioning strip
One end is located at the locating notch of another central housing, and locating notch can be spacing to the second positioning strip.Rotate in another
Between cylinder body when, this central housing drive the second positioning strip rotation, the second positioning strip lower end is enclosed in the locating slot in connecting shaft
Rotation is slided around the outer surface of locating slot, when central housing is rotated by 360 °, flexible sealing ring is opened completely, and by connecting shaft
It is fully sealed with connecting the annular position between air flue, realizes the closing of connection air flue.Similarly, central housing is reversely rotated,
Second positioning strip is rotated back towards the first positioning strip direction, and flexible sealing ring is folded by folding line, realizes connection air flue
Open.
Preferably, the one end of one end and right cylinder body away from right piston bar of described left cylinder away from left piston bar is all provided with
Magnetic plate is equipped with, the shape of magnetic plate is identical with the section configuration of left cylinder and right cylinder body.Left cylinder away from left piston bar one
End and the one end of right cylinder body away from right piston bar are provided with magnetic plate, using magnetic plate can realize left cylinder and right cylinder body with
The absorption connection of central housing, ensure the Rapid Combination of central housing.
Preferably, central housing is provided with positioning convex ring, positioning convex ring and left air flue edge close to one end of left cylinder
It is engaged, the connection air flue edge of the other end of central housing is provided with to be engaged with the positioning convex ring of another central housing
Positioning guide margin, the one end of right cylinder body away from right piston bar is provided with and the positioning convex ring that is engaged of positioning guide margin.Central housing
One end of left cylinder is provided with positioning convex ring, positioning convex ring is engaged with the left air flue edge of left cylinder, utilizes left air flue
Edge positions to the positioning convex ring of central housing, realizes the fast positioning of central housing.The other end of central housing sets positioning
Guide margin, the positioning convex ring of another central housing are inserted into positioning in guide margin, and positioning guide margin can be spacing to positioning convex ring, real
The fast positioning of existing two central housings.The one end of right cylinder body away from right piston bar sets positioning convex ring, by determining on right cylinder body
In the bulge loop insertion positioning guide margin of position, the fast positioning of right cylinder body is realized, is easy to the assembling of whole cylinder body.
Therefore, the two-way connecting rod cylinder that freely concatenates of the invention possesses following advantages:Set between left cylinder and right cylinder body
Central housing, increase the distance between left cylinder and right cylinder body using the thickness of central housing, and then increase the length of whole cylinder body
Degree, that is, increase the stroke of whole cylinder body, according to the stroke needs of reality, different can be set between left cylinder and right cylinder body
Several central housings.Left piston bar is located in the left air flue of left cylinder, and right piston bar is located in the right air flue of right cylinder body, works as centre
When the connection air flue of cylinder body is closed, air compressor is filled with gases at high pressure to the left in gas port when, gases at high pressure enter left air flue simultaneously
Left piston bar is outwards extruded, realizes the elongation of left piston bar;Air compressor is filled with to the right gases at high pressure in gas port when, high pressure
Gas enters right air flue and outwards extrudes right piston bar, realizes the elongation of right piston bar.When the connection air flue of central housing is beaten
When opening, left air flue, right air flue and connection air flue are interconnected, and gases at high pressure simultaneously extrude left piston bar and right piston bar,
Pressed while realizing left piston bar and right piston bar, can now use multiple cylinder body combined serials, while to multiple workpiece
Common clamping.
Brief description of the drawings
Accompanying drawing 1 is a kind of structural representation of the present invention;
Structural representation when accompanying drawing 2 is two cylinder body series connection in the present invention;
Accompanying drawing 3 is side view when airway open is connected at central housing;
Accompanying drawing 4 is the side view during governor motion regulation at central housing;
Accompanying drawing 5 is that side view when air flue is closed is connected at central housing;
Accompanying drawing 6 is sectional view when airway open is connected at central housing;
Accompanying drawing 7 is that sectional view when air flue is closed is connected at central housing;
Accompanying drawing 8 is partial enlarged drawing at A in accompanying drawing 7.
Illustrate:1- left cylinders, 2- right cylinder bodies, 3- left piston bars, 4- right piston bars, 5- central housings, the left gas ports of 6-,
The right gas ports of 7-, gas port in 8-, 9- briquettings, 10- locating rods, 11- chutes, 12- workpiece, 13- connection air flues, 14- positioning pipes, 15-
Support arm, 16- connecting shafts, the positioning strips of 17- first, the positioning strips of 18- second, 19- flexible sealing rings, 20- locating notches, 21- are fixed
Position groove, 22- folding lines.
Embodiment
Below by embodiment, and with reference to accompanying drawing, technical scheme is described in further detail.
Embodiment 1:As shown in Figure 1, 2, 3, one kind is two-way freely concatenates connecting rod cylinder, including cylinder body, and cylinder body includes left cylinder
Body 1 and right cylinder body 2, left piston bar 3 is provided with the axis of left cylinder, right piston bar 4, left cylinder are provided with the axis of right cylinder body
Left air flue is provided through in the middle part of body, right air flue is provided through in the middle part of right cylinder body, the side wall of left cylinder is provided with and a left side
The left gas port 6 and middle gas port 8 that air flue is connected, the right gas port 7 being connected with right air flue, left cylinder are provided with the side wall of right cylinder body
Central housing 5 is provided between body and right cylinder body, the company that can be connected with left air flue and right air flue is provided with the middle part of central housing
Airway 13.Briquetting 9 is hinged with left piston bar and right piston bar, briquetting is L-shaped, and chute is provided with the middle part of briquetting
11, locating rod 10 is slidably connected on left cylinder and right cylinder body, and free end and the chute of locating rod are hinged.Connect air flue axis
Place is provided with positioning pipe 14, and positioning pipe is fixedly linked by several support arms 15 with connecting the inwall of air flue, and support arm breaks
Face is uniformly distributed in sector, several support arms around the axis of positioning pipe, and the outer surface of support arm is with connecting air flue inwall spiral shell
Line connects.Connecting shaft 16 is provided through inside positioning pipe, two neighboring central housing is connected by connecting shaft.As Fig. 4,5,6,
7th, shown in 8, governor motion is provided between two neighboring central housing, governor motion positions including the first positioning strip 17, second
Bar 18 and flexible sealing ring 19, one end of flexible sealing ring is fixed on the first positioning strip, the other end is fixed on the second positioning strip
On, several folding lines 22 are provided with flexible sealing ring, locating notch 20 is provided with the end face of two central housing fittings,
Locating slot 21 is provided with the middle part of connecting shaft, one end of the first positioning strip is located at the locating notch of a central housing, is another
End is in the locating slot, and one end of the second positioning strip be located at the locating notch of another central housing, the other end is positioned at positioning
In groove;The size of flexible sealing ring matches with connecting shaft outer surface to the position connected between air flue inner surface.Left cylinder is remote
The one end of one end and right cylinder body away from right piston bar from left piston bar is provided with magnetic plate, the shape and left cylinder of magnetic plate
It is identical with the section configuration of right cylinder body.Central housing is provided with positioning convex ring, positioning convex ring and left gas close to one end of left cylinder
Road edge is engaged, and the connection air flue edge of the other end of central housing is provided with the positioning convex ring with another central housing
The positioning guide margin being engaged, the one end of right cylinder body away from right piston bar are provided with the positioning convex ring being engaged with positioning guide margin.
Cylinder body includes left cylinder and right cylinder body, and left piston bar is set at the axis of left cylinder, is set at the axis of right cylinder body
Right piston bar, left piston bar and right piston bar are respectively facing two different directions, can be to left side when left piston bar extends
Workpiece apply pressure, can be to the workpiece on right side application pressure when right piston bar extend.When left piston bar and right piston bar
It can apply pressure to the workpiece of both sides simultaneously when all extending, can now arrange multiple cylinder bodies while multiple workpiece 12 are carried out
Combine clamping.Central housing is set between left cylinder and right cylinder body, increases left cylinder and right cylinder body using the thickness of central housing
The distance between, and then increase the length of whole cylinder body, that is, increase the stroke of whole cylinder body, according to the stroke needs of reality, energy
Enough central housings that different numbers are set between left cylinder and right cylinder body.Left piston bar is located in the left air flue of left cylinder, right
Piston rod is located in the right air flue of right cylinder body, and when the connection air flue of central housing is closed, air compressor fills in gas port to the left
When entering gases at high pressure, gases at high pressure enter left air flue and outwards extrude left piston bar, realize the elongation of left piston bar;Air pressure
Contracting machine is filled with to the right gases at high pressure in gas port when, gases at high pressure enter right air flue and outwards extrude right piston bar, realize right work
The elongation of stopper rod.When the connection airway open of central housing, left air flue, right air flue and connection air flue are interconnected, high pressure
Gas simultaneously extrudes left piston bar and right piston bar, presses while realizing left piston bar and right piston bar, can now adopt
With multiple cylinder body combined serials, while to the common clamping of multiple workpiece.Briquetting is hinged with left piston bar and right piston bar, is pressed
Block is L-shaped, when left piston bar and the elongation of right piston bar, promotes briquetting to be pressed to one end away from cylinder body.The middle part of briquetting
Be provided with chute, when briquetting is fed, locating rod can play a supporting role follow left piston bar or right piston bar feed and
Sliding support briquetting in chute.Positioning pipe is provided with connection air flue axis, positioning pipe is by support arm with connecting in air flue
Wall is fixedly linked, and the section of support arm is in sector, and several support arms are uniformly distributed around the axis of positioning pipe, and adjacent two
Part between individual support arm can ensure the unimpeded of whole connection air flue, while ensure positioning pipe uniform force, make positioning pipe
All the time with to connect air flue coaxial.The outer surface of support arm is connected with connection air flue inner thread, i.e. support arm and positioning pipe can
Individually produce, coordinated by screw thread and assembled.When connect air flue in install positioning pipe after, can utilize positioning pipe will be multiple in
Between cylinder body link together.Connecting shaft is provided through inside positioning pipe, two neighboring central housing is connected by connecting shaft, just
In the assembling of central housing.Governor motion is provided between two neighboring central housing, connection can be adjusted by governor motion
The opening and closing of air flue, when governor motion is opened, connection air flue is got through, and left piston bar and right piston bar stretch out simultaneously;When
When governor motion is closed, connection air flue is closed, and is filled with gases at high pressure in air flue and right air flue to the left respectively, can individually be controlled a left side
The stretching of piston rod or right piston bar.Governor motion includes the first positioning strip, the second positioning strip and flexible sealing ring, flexible sealing
One end of ring is fixed on the first positioning strip, the other end is fixed on the second positioning strip, and if being provided with flexible sealing ring
A dry folding line, when the second positioning strip and the first positioning strip position are staggered, flexible sealing ring is gradually spread out with the second positioning strip,
When the second positioning strip rounds and is overlapped once again with the first positioning strip, flexible sealing ring is fully deployed into fan annular.Work as phase
During adjacent two central housings fitting, one end of the first positioning strip is at the locating notch of a central housing, locating notch energy
Enough spacing to the first positioning strip, one end of the second positioning strip is located at the locating notch of another central housing, locating notch energy
It is enough spacing to the second positioning strip.When rotating another central housing, this central housing drives the rotation of the second positioning strip, and second is fixed
Rotation is slided in position bar lower end in the locating slot in connecting shaft around the outer surface of locating slot, when central housing is rotated by 360 °,
Flexible sealing ring is opened completely, and connecting shaft is fully sealed with connecting the annular position between air flue, realizes connection air flue
Closing.Similarly, central housing is reversely rotated, the second positioning strip rotates back towards the first positioning strip direction, and flexible sealing ring leads to
Cross folding line to be folded, realize the opening of connection air flue.Left cylinder one end and right cylinder body away from left piston bar are away from right piston
One end of bar is provided with magnetic plate, and the absorption that can realize left cylinder and right cylinder body and central housing using magnetic plate connects,
Ensure the Rapid Combination of central housing.Central housing is provided with positioning convex ring, positioning convex ring and left cylinder close to one end of left cylinder
The left air flue edge of body is engaged, and the positioning convex ring of central housing is positioned using left air flue edge, realizes the fast of central housing
Speed positioning.The other end of central housing sets positioning guide margin, and the positioning convex ring of another central housing is inserted into positioning guide margin
Interior, positioning guide margin can be spacing to positioning convex ring, realizes the fast positioning of two central housings.Right cylinder body is away from right piston bar
One end sets positioning convex ring, by the positioning convex ring insertion positioning guide margin on right cylinder body, realizes the fast positioning of right cylinder body, is easy to
The assembling of whole cylinder body.
It should be understood that the embodiment is only illustrative of the invention and is not intended to limit the scope of the invention.In addition, it is to be understood that
After having read the content of the invention lectured, those skilled in the art can make various changes or modifications to the present invention, these etc.
Valency form equally falls within the application appended claims limited range.
Claims (5)
1. one kind is two-way freely to concatenate connecting rod cylinder, including cylinder body, it is characterised in that described cylinder body includes left cylinder and right cylinder
Body, left piston bar is provided with the axis of left cylinder, right piston bar is provided with the axis of right cylinder body, the middle part of left cylinder is run through
Left air flue is provided with, right air flue is provided through in the middle part of right cylinder body, the side wall of left cylinder is provided with what is be connected with left air flue
Left gas port and middle gas port, the right gas port being connected with right air flue are provided with the side wall of right cylinder body, between left cylinder and right cylinder body
Central housing is provided with, the connection air flue that can be connected with left air flue and right air flue, described company are provided with the middle part of central housing
Positioning pipe is provided with airway axis, positioning pipe is fixedly linked by several support arms with connecting the inwall of air flue, support
The section of arm is uniformly distributed in sector, several support arms around the axis of positioning pipe, and the outer surface of support arm is with connecting air flue
Inner thread connects.
2. two-way connecting rod cylinder is freely concatenated according to claim 1, it is characterised in that described left piston bar and right work
Briquetting is hinged with stopper rod, briquetting is L-shaped, is provided with chute in the middle part of briquetting, the equal company of slip on left cylinder and right cylinder body
Locating rod is connected to, free end and the chute of locating rod are hinged.
3. two-way connecting rod cylinder is freely concatenated according to claim 1, it is characterised in that is provided through inside positioning pipe
Connecting shaft, two neighboring central housing are connected by connecting shaft.
4. two-way connecting rod cylinder is freely concatenated according to claim 3, it is characterised in that between two neighboring central housing
Governor motion is provided with, governor motion includes the first positioning strip, the second positioning strip and flexible sealing ring, one end of flexible sealing ring
Be fixed on the first positioning strip, the other end is fixed on the second positioning strip, be provided with several folding lines on flexible sealing ring, two
Locating notch is provided with the end face of central housing fitting, is provided with locating slot in the middle part of connecting shaft, the one of the first positioning strip
End is at the locating notch of a central housing, the other end is located in locating slot, and one end of the second positioning strip is located at another
At the locating notch of central housing, the other end is located in locating slot;The size of flexible sealing ring and connecting shaft outer surface are to connecting
Position between air flue inner surface matches.
5. two-way according to claim 1 or 2 or 3 or 4 freely concatenates connecting rod cylinder, it is characterised in that described left cylinder
The one end of one end and right cylinder body away from right piston bar of body away from left piston bar is provided with magnetic plate, shape and the left side of magnetic plate
Cylinder body is identical with the section configuration of right cylinder body.
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CN201306328Y (en) * | 2008-12-09 | 2009-09-09 | 覃德伟 | Tandem type combined hydro-cylinder |
CN201666285U (en) * | 2010-04-16 | 2010-12-08 | 奉化市鑫潮自动化元件有限公司 | Serially connected square cylinder |
CN202209329U (en) * | 2011-08-17 | 2012-05-02 | 北京长宇利华液压系统工程设计有限公司 | Double-piston-rod relative motion oil cylinder |
CN103148048A (en) * | 2013-03-26 | 2013-06-12 | 严瑞山 | Multistage-piston hydraulic tension oil cylinder |
CN103410807A (en) * | 2013-09-02 | 2013-11-27 | 缪乾 | Stroke-adjustable multi-position air cylinder |
CN204321663U (en) * | 2014-11-19 | 2015-05-13 | 高士华 | A kind of automobile exhaust pipe thread hole fixture |
CN105499688A (en) * | 2015-11-26 | 2016-04-20 | 宁波福士汽车部件有限公司 | Cutting device for pipe fitting |
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