CN206801995U - A kind of twin shaft cylinder - Google Patents

A kind of twin shaft cylinder Download PDF

Info

Publication number
CN206801995U
CN206801995U CN201720618762.7U CN201720618762U CN206801995U CN 206801995 U CN206801995 U CN 206801995U CN 201720618762 U CN201720618762 U CN 201720618762U CN 206801995 U CN206801995 U CN 206801995U
Authority
CN
China
Prior art keywords
piston
guide holder
piston component
inner chamber
dashpot
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201720618762.7U
Other languages
Chinese (zh)
Inventor
任建明
王全民
夏家引
竺鹏飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Heyday Pneumatic Technology Co Ltd
Original Assignee
Ningbo Heyday Pneumatic Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ningbo Heyday Pneumatic Technology Co Ltd filed Critical Ningbo Heyday Pneumatic Technology Co Ltd
Priority to CN201720618762.7U priority Critical patent/CN206801995U/en
Application granted granted Critical
Publication of CN206801995U publication Critical patent/CN206801995U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

It the utility model is related to a kind of twin shaft cylinder, including drive end bearing bracket, rear end cap and cylinder body, first inner chamber and second inner chamber arranged side by side are axially formed in cylinder body, first inner chamber is provided with the first guide holder of sealed cylinder block, first piston component and First piston bar, second inner chamber is provided with the second guide holder of sealed cylinder block, second piston component and second piston bar, cylinder body is provided with the air inlet and exhaust outlet connected with first inner chamber, the intake channel connected with air inlet and the exhaust channel connected with exhaust outlet are offered between first inner chamber and second inner chamber, first guide holder is provided with the first dashpot close to one end of first piston component, the periphery of first dashpot is provided with the first bleeder port, second guide holder is provided with the second dashpot close to one end of second piston component, the periphery of second dashpot is provided with the second bleeder port.The utility model structure setting is reasonable, can prevent guide holder and Remedy for Piston Damage, stabilizes the reciprocating motion of piston, extends the service life of twin shaft cylinder.

Description

A kind of twin shaft cylinder
Technical field
Cylinder technical field is the utility model is related to, more particularly to a kind of twin shaft cylinder.
Background technology
Cylinder is a kind of cylindrical metal parts for guiding piston to carry out straight reciprocating motion in cylinder, in pneumatic field Using relatively broad, be known with it is common.Cylinder in prior art passes through air intake-exhaust so that the work of cylinder interior Plug and piston rod move back and forth, and because the reciprocating motion of piston can contact with guide holder high-frequency, make the end of piston and guide holder Portion receives different degrees of damage, or even causes piston not use, and shortens the life-span of twin shaft cylinder.
The content of the invention
The defects of the purpose of this utility model is to be directed to prior art and deficiency, there is provided a kind of twin shaft cylinder, its structure It is reasonable to set, and dashpot is set close to one end of piston component in guide holder, and piston component contacts guide holder when moving back and forth, Speed during contact can be slowed down, prevent guide holder and piston component from damaging, extend the service life of twin shaft cylinder;Buffering The periphery of groove is provided with the bleeder port connected with dashpot, and when being entered in the end of piston component in dashpot, bleeder port can incite somebody to action Gas discharge in dashpot, prevents piston produces when contacting guide holder from rocking.
To achieve the above object, the utility model uses following technical scheme.
A kind of twin shaft cylinder described in the utility model, including drive end bearing bracket, rear end cap and cylinder body, it is axially formed in cylinder body There are two first inner chambers and second inner chamber arranged side by side, the first guide holder, the first piston group of sealed cylinder block are provided with first inner chamber Part and First piston bar, first piston component are movably arranged between rear end cap and the first guide holder, and one end of First piston bar is worn Cross the first guide holder to be fixedly connected with drive end bearing bracket, the other end of First piston bar is fixedly connected with first piston component, in second Intracavitary is provided with the second guide holder, second piston component and the second piston bar of sealed cylinder block, after second piston component is movably arranged at Between end cap and the second guide holder, one end of second piston bar is fixedly connected through the second guide holder with drive end bearing bracket, second piston The other end of bar is fixedly connected with second piston component, and cylinder body is provided with the air inlet and exhaust outlet connected with first inner chamber, the The intake channel connected with air inlet and the exhaust channel connected with exhaust outlet are offered between one inner chamber and second inner chamber, the One guide holder is provided with the first dashpot matched with first piston component end, the first buffering close to one end of first piston component The periphery of groove is provided with the first bleeder port connected with the first dashpot, and the second guide holder is provided with close to one end of second piston component The second dashpot matched with second piston component end, the periphery of the second dashpot are provided with connected with the second dashpot second Bleeder port.
Further, first piston component includes first piston and the second piston being mutually socketed, first piston and second The first magnet ring is embedded between piston, second piston component includes the 3rd piston and the 4th piston being mutually socketed, the 3rd piston The second magnet ring is embedded between the 4th piston.
Further, the first guide holder and the second guide holder pass through circlip and the spacing cooperation of cylinder body.
Further, it is equipped with wear ring between first piston component, second piston component and cylinder body.
Further, cylinder body is provided with the first exhaust screw and second exhaust screw connected with second inner chamber, first row Gas screw is connected with intake channel, and second exhaust screw is connected with exhaust channel.
Further, between the first guide holder, the second guide holder, first piston component, second piston component and cylinder body Provided with sealing ring.
The utility model has the beneficial effect that:The utility model sets dashpot in guide holder close to one end of piston component, Piston component contacts guide holder when moving back and forth, and can slow down speed during contact, prevents guide holder and piston component from damaging, Extend the service life of twin shaft cylinder;The bleeder port connected with dashpot is provided with the periphery of dashpot, in piston component When end is entered in dashpot, bleeder port can discharge the gas in dashpot, prevent piston from being produced when contacting guide holder Rock.The utility model structure setting is reasonable, can prevent guide holder and Remedy for Piston Damage, stabilizes the reciprocating motion of piston, prolongs The service life of twin shaft cylinder is grown.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model.
Fig. 2 is the enlarged drawing of A in the utility model Fig. 1.
In figure:1st, drive end bearing bracket;2nd, rear end cap;3rd, cylinder body;41st, first inner chamber;42nd, second inner chamber;51st, the first guide holder; 52nd, the second guide holder;61st, first piston component;62nd, second piston component;71st, First piston bar;72nd, second piston bar;81、 Air inlet;82nd, exhaust outlet;91st, intake channel;92nd, exhaust channel;101st, the first dashpot;102nd, the second dashpot;111st, One bleeder port;112nd, the second bleeder port;121st, first piston;122nd, second piston;123rd, the 3rd piston;124th, the 4th piston; 131st, the first magnet ring;132nd, the second magnet ring;14th, circlip;15th, wear ring;161st, first exhaust screw;162nd, second exhaust Screw.
Embodiment
The utility model is further described below in conjunction with the accompanying drawings.
As depicted in figs. 1 and 2, a kind of twin shaft cylinder described in the utility model, including drive end bearing bracket 1, rear end cap 2 and cylinder body 3, two first inner chambers 41 and second inner chamber 42 arranged side by side are axially formed in cylinder body 3, sealing cylinder is provided with first inner chamber 41 The first guide holder 51, first piston component 61 and the First piston bar 71 of body 3, first piston component 61 are movably arranged at rear end cap 2 Between the first guide holder 51, one end of First piston bar 71 is fixedly connected through the first guide holder 51 with drive end bearing bracket 1, and first lives The other end of stopper rod 71 is fixedly connected with first piston component 61, and the second guide holder of sealed cylinder block is provided with second inner chamber 42 52nd, second piston component 62 and second piston bar 72, second piston component 62 be movably arranged at the guide holder 52 of rear end cap 2 and second it Between, one end of second piston bar 72 is fixedly connected through the second guide holder 52 with drive end bearing bracket 1, the other end of second piston bar 72 with Second piston component 62 is fixedly connected, and cylinder body 3 is provided with the air inlet 81 and exhaust outlet 82 that are connected with first inner chamber 41, in first The intake channel 91 connected with corresponding air inlet 81 is offered between chamber 41 and second inner chamber 42 and is connected with respective vent ports 82 Logical exhaust channel 92, the first guide holder 51 are provided with and the end of first piston component 61 close to one end of first piston component 61 The first dashpot 101 matched somebody with somebody, the periphery of the first dashpot 101 are provided with the first bleeder port 111 connected with the first dashpot 101, Second guide holder 52 is provided with the second dashpot matched with the end of second piston component 62 close to one end of second piston component 62 102, the periphery of the second dashpot 102 is provided with the second bleeder port 112 connected with the second dashpot 102.
The utility model sets dashpot in guide holder close to one end of piston component, and piston component connects when moving back and forth Guide holder is touched, speed during contact can be slowed down, prevents guide holder and piston component from damaging, extend twin shaft cylinder uses the longevity Life;The bleeder port connected with dashpot is provided with the periphery of dashpot, when being entered in the end of piston component in dashpot, is let out Stomata can discharge the gas in dashpot, prevent piston produces when contacting guide holder from rocking.
First piston component 61 includes the first piston 121 that is mutually socketed and second piston 122, first piston 121 and the The first magnet ring 131 is embedded between two pistons 122, second piston component 62 includes the 3rd piston 123 and the 4th being mutually socketed Piston 124, the second magnet ring 132 is embedded between the 3rd piston 123 and the 4th piston 124;First guide holder 51 and second is oriented to Seat 52 passes through circlip 14 and 3 spacing cooperation of cylinder body;Between first piston component 61, second piston component 62 and cylinder body 3 Wear ring 15 is equipped with, improves wearability;Cylinder body 3 is provided with the first exhaust screw 161 and second connected with second inner chamber 42 Exhaust bolt 162, first exhaust screw 161 are connected with intake channel 91, and second exhaust screw 162 is connected with exhaust channel 92, When the pressure of interior intracavitary is excessive, pressure can be discharged by exhaust bolt;First guide holder 51, the second guide holder 52, first Sealing ring is equipped between piston component 61, second piston component 62 and cylinder body 3.
Operation principle of the present utility model is from the air inlet of air inlet 81, and air pressure can promote first piston component 61 and first Piston rod 71 moves to left, and gas can promote second piston component 62 and second piston bar 72 to move to left simultaneously by intake channel 91, Now the left end of first piston component 61 is entered in the first dashpot 101 of the first guide holder 51, second piston component 62 Left end is entered in the second dashpot 102 of the second guide holder 52, and air pressure is discharged from exhaust outlet 82;Identical principle is from exhaust outlet During 82 air inlet, air pressure promotes first piston component 61, First piston bar 71, second piston component 62 and second piston bar 72 right Move, air pressure is discharged from air inlet 81, piston component and piston rod is moved back and forth in cylinder body 3.
Described above is only better embodiment of the present utility model, therefore all according to described in the utility model patent application range The equivalent change or modification done of construction, feature and principle, be included in the utility model patent application range.

Claims (6)

1. a kind of twin shaft cylinder, including drive end bearing bracket(1), rear end cap(2)And cylinder body(3), cylinder body(3)Inside it has been axially formed two First inner chamber arranged side by side(41)And second inner chamber(42), first inner chamber(41)It is interior to be provided with sealed cylinder block(3)The first guide holder (51), first piston component(61)And First piston bar(71), first piston component(61)It is movably arranged at rear end cap(2)With first Guide holder(51)Between, First piston bar(71)One end pass through the first guide holder(51)With drive end bearing bracket(1)It is fixedly connected, first Piston rod(71)The other end and first piston component(61)It is fixedly connected, second inner chamber(42)It is interior provided with sealed cylinder block second Guide holder(52), second piston component(62)And second piston bar(72), second piston component(62)It is movably arranged at rear end cap(2) With the second guide holder(52)Between, second piston bar(72)One end pass through the second guide holder(52)With drive end bearing bracket(1)It is fixed to connect Connect, second piston bar(72)The other end and second piston component(62)It is fixedly connected, cylinder body(3)It is provided with and first inner chamber (41)The air inlet of connection(81)And exhaust outlet(82), first inner chamber(41)With second inner chamber(42)Between offer and air inlet (81)The intake channel of connection(91)And and exhaust outlet(82)The exhaust channel of connection(92), it is characterised in that:First is oriented to Seat(51)Close to first piston component(61)One end be provided with and first piston component(61)First dashpot of end matching (101), the first dashpot(101)Periphery be provided with and the first dashpot(101)First bleeder port of connection(111), second leads To seat(52)Close to second piston component(62)One end be provided with and second piston component(62)Second dashpot of end matching (102), the second dashpot(102)Periphery be provided with and the second dashpot(102)Second bleeder port of connection(112).
A kind of 2. twin shaft cylinder according to claim 1, it is characterised in that:First piston component(61)Including mutually socket First piston(121)And second piston(122), first piston(121)With second piston(122)Between be embedded with the first magnet ring (131), second piston component(62)Including the 3rd piston being mutually socketed(123)With the 4th piston(124), the 3rd piston (123)With the 4th piston(124)Between be embedded with the second magnet ring(132).
A kind of 3. twin shaft cylinder according to claim 1, it is characterised in that:First guide holder(51)With the second guide holder (52)Pass through circlip(14)With cylinder body(3)Spacing cooperation.
A kind of 4. twin shaft cylinder according to claim 1, it is characterised in that:First piston component(61), second piston group Part(62)With cylinder body(3)Between be equipped with wear ring(15).
A kind of 5. twin shaft cylinder according to claim 1, it is characterised in that:Cylinder body(3)It is provided with and second inner chamber(42) The first exhaust screw of connection(161)With second exhaust screw(162), first exhaust screw(161)With intake channel(91)Connect It is logical, second exhaust screw(162)With exhaust channel(92)Connect.
A kind of 6. twin shaft cylinder according to claim 1, it is characterised in that:First guide holder(51), the second guide holder (52), first piston component(61), second piston component(62)With cylinder body(3)Between be equipped with sealing ring.
CN201720618762.7U 2017-05-31 2017-05-31 A kind of twin shaft cylinder Expired - Fee Related CN206801995U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720618762.7U CN206801995U (en) 2017-05-31 2017-05-31 A kind of twin shaft cylinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720618762.7U CN206801995U (en) 2017-05-31 2017-05-31 A kind of twin shaft cylinder

Publications (1)

Publication Number Publication Date
CN206801995U true CN206801995U (en) 2017-12-26

Family

ID=60743816

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720618762.7U Expired - Fee Related CN206801995U (en) 2017-05-31 2017-05-31 A kind of twin shaft cylinder

Country Status (1)

Country Link
CN (1) CN206801995U (en)

Similar Documents

Publication Publication Date Title
CN201627774U (en) High-pressure heavy cylinder
CN106939803B (en) without valve spring four-stroke engine
CN102226450B (en) Reciprocating screw vacuum compressor
CN206801995U (en) A kind of twin shaft cylinder
US20150354569A1 (en) Multi-follower rotary compressor and sectional-compressing method for the same
CN201228620Y (en) Double cylinder reciprocating type piston compressor
CN102384067A (en) Full non-clearance structure of piston reciprocating type compressor
CN201627983U (en) Combined type multidirectional pneumatic control valve
CN106286210B (en) Reciprocating vacuum pump
CN202707668U (en) Sectional type multiple-pass cylinder
CN204878846U (en) Air bleeding valve and piston thereof
CN102518576A (en) Compressor for refrigerant recovery machine
CN203214701U (en) Clutch master cylinder assembly
CN201739136U (en) Natural cooling CNG compressor with no auxiliary cooling channel
CN102261492A (en) Electric control reversing valve
CN205154416U (en) Cylinder sleeve of engine
CN206129523U (en) Reciprocating vacuum pump
CN102384065B (en) Semi-V-shaped piston ring capable of reducing clearance between piston and air cylinder
CN104481837A (en) Compressor with coplanar symmetric pistons connected with each other by concave plates with guide grooves
CN202228542U (en) Bearing protecting device for roller table of shot blasting airtight chamber
CN104153965A (en) Connecting rod type coplanar compressor with multiple cylinders and cam combined with bearing
CN201461292U (en) Oil-gas recovery pump
CN206889389U (en) A kind of more piece Rapid reset loose broaching tool main shaft air cylinder device automatically
CN203906030U (en) Intake and exhaust rocker arm of engine
CN204921349U (en) A special plunger spring unit of axial plunger pump that is used for railway hydraulic pressure to remove

Legal Events

Date Code Title Description
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20171226