CN203321937U - Buffer oil cylinder - Google Patents

Buffer oil cylinder Download PDF

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Publication number
CN203321937U
CN203321937U CN2013203210178U CN201320321017U CN203321937U CN 203321937 U CN203321937 U CN 203321937U CN 2013203210178 U CN2013203210178 U CN 2013203210178U CN 201320321017 U CN201320321017 U CN 201320321017U CN 203321937 U CN203321937 U CN 203321937U
Authority
CN
China
Prior art keywords
oil circuit
flange plate
piston
cylinder
oil cylinder
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
CN2013203210178U
Other languages
Chinese (zh)
Inventor
张丽平
徐新东
孙立伟
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.)
JIANGYIN ETERNAL HEAVY INDUSTRY Co Ltd
Original Assignee
JIANGYIN ETERNAL HEAVY INDUSTRY 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 JIANGYIN ETERNAL HEAVY INDUSTRY Co Ltd filed Critical JIANGYIN ETERNAL HEAVY INDUSTRY Co Ltd
Priority to CN2013203210178U priority Critical patent/CN203321937U/en
Application granted granted Critical
Publication of CN203321937U publication Critical patent/CN203321937U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a buffer oil cylinder which comprises an oil cylinder body (1), wherein a piston (2) is arranged in the oil cylinder body (1), a left flange (3) and a right flange (4) are arranged at the left end and the right end of the oil cylinder body (1), a piston rod (5) is connected with the right side of the piston (2), and the piston rod (5) penetrates the right flange (4) to extend out of the oil cylinder body (1). The buffer oil cylinder is characterized in that a left buffer pad (6) is arranged on the left side of the piston (2), a right buffer pad (7) is arranged on the right side of the piston (2), a concave left buffer groove (3.1) is formed in the right side of the left flange (3), and a concave right buffer groove (4.1) is formed in the left side of the right flange (4). The buffer oil cylinder has the advantage that no impact can be caused between the piston and the flanges, the piston cannot be damaged, and the oil cylinder is ensured to have long service life.

Description

Cushion cylinder
Technical field
The utility model relates to a kind of cushion cylinder, belongs to the oil cylinder technical field.
Background technique
Oil cylinder is oil hydraulic cylinder, and oil hydraulic cylinder is the straight line moving type executive component that the pressure reduction on ouput force and piston effective area and both sides thereof is directly proportional.In the piston inner cylinder cylinder body of tradition oil cylinder, move reciprocatingly, when oil cylinder fast work and stroke arrive when critical, piston can clash into and contact with the flange plate at cylinder block two ends, the words piston of long-term use may damage, and makes the working life of oil cylinder lower.Therefore seek a kind of piston and flange plate of making and can not produce shock, piston can not damage, and the cushion cylinder in assurance oil cylinder working life is particularly important.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, provides a kind of piston and flange plate of making can not produce shock, and piston can not damage, and guarantees the oil cylinder cushion cylinder in working life.
The purpose of this utility model is achieved in that
A kind of cushion cylinder, it comprises cylinder block, be provided with piston in described cylinder block, the two ends, left and right of described cylinder block are respectively arranged with left flange plate and right flange plate, the right side of described piston is connected with piston rod, described piston rod stretches out the cylinder block outside through right flange plate, the left side of described piston is provided with left cushion pad, the right side of described piston is provided with right cushion pad, the right side of described left flange plate is provided with recessed left dashpot, and the left side of described right flange plate is provided with recessed right dashpot.
As a kind of preferred, offer left oil circuit on described left flange plate, the upper wall of described left dashpot offers the first left oil circuit to the upper wall outside of left flange plate, the upper end of described the first left oil circuit is connected with the upper wall of the left flange plate outside, the upper right side inwall of described left flange plate offers the second left oil circuit left, the left end of described the second left oil circuit is communicated with the first left oil circuit, offer right oil circuit on described right flange plate, the upper wall of the described right dashpot upper wall outside of flange plate to the right offers the first right oil circuit, the upper end of described the first right oil circuit is connected with the upper wall of the right flange plate outside, the upper left side inwall of described right flange plate offers the second right oil circuit to the right, the right-hand member of described the second right oil circuit is communicated with the first right oil circuit.
As a kind of preferred, the hypomere of described the first left oil circuit is provided with left spring, the bottom of described left spring is connected with a left spheroid, the first left oil circuit of described left spheroid below is up big and down small reducing oil circuit, the hypomere of described the first right oil circuit is provided with right spring, the bottom of described right spring is connected with a right spheroid, and the first right oil circuit of described right spheroid below is up big and down small reducing oil circuit.
Compared with prior art, the beneficial effects of the utility model are:
The utility model adopts special structure, and at first the design of cushion pad and dashpot can preferentially reach the purpose of buffering, and secondly the design of special oil circuit makes oil circuit also have cushioning effect.So this cushion cylinder has the piston of making and flange plate can not produce shock, piston can not damage, and guarantees the oil cylinder advantage in working life.
The accompanying drawing explanation
The structural representation that Fig. 1 is the utility model cushion cylinder.
The A place partial enlarged drawing that Fig. 2 is Fig. 1.
The B place partial enlarged drawing that Fig. 3 is Fig. 1.
Wherein:
Cylinder block 1
Piston 2
Left flange plate 3, left dashpot 3.1
Right flange plate 4, right dashpot 4.1
Piston rod 5
Left cushion pad 6
Right cushion pad 7
The left oil circuit 8.2 of the left oil circuit 8.1, second of left oil circuit 8, first, left spring 8.3, left spheroid 8.4
The right oil circuit 9.2 of the right oil circuit 9.1, second of right oil circuit 9, first, right spring 9.3, right spheroid 9.4.
Embodiment
Referring to Fig. 1 ~ Fig. 3, a kind of cushion cylinder that the utility model relates to, it comprises cylinder block 1, be provided with piston 2 in described cylinder block 1, the two ends, left and right of described cylinder block 1 are respectively arranged with left flange plate 3 and right flange plate 4, the right side of described piston 2 is connected with piston rod 5, described piston rod 5 stretches out cylinder block 1 outside through right flange plate 4, the left side of described piston 2 is provided with left cushion pad 6, the right side of described piston 2 is provided with right cushion pad 7, the right side of described left flange plate 3 is provided with recessed left dashpot 3.1, the size coupling of the size of described left dashpot 3.1 and left cushion pad 6, the left side of described right flange plate 4 is provided with recessed right dashpot 4.1, the size coupling of the size of described right dashpot 4.1 and right cushion pad 7,
Offer left oil circuit 8 on described left flange plate 3, described left oil circuit 8 comprises the first left oil circuit 8.1 and the second left oil circuit 8.2, the lower end of the described first left oil circuit 8.1 is connected to the upper wall of left dashpot 3.1, the upper end of the described first left oil circuit 8.1 is connected to the upper wall outside of left flange plate 3, the right-hand member of the described second left oil circuit 8.2 is connected to the wall inboard, upper right of left flange plate 3, the left end of the described second left oil circuit 8.2 is communicated with the stage casing of the first left oil circuit 8.1, the hypomere of the described first left oil circuit 8.1 is provided with left spring 8.3, the bottom of described left spring 8.3 is connected with a left spheroid 8.4, the first left oil circuit 8.1 of described left spheroid 8.4 belows is up big and down small reducing oil circuit, described left spheroid 8.4 withstands the reducing mouth (diameter changes mouth) of this reducing oil circuit section,
Offer right oil circuit 9 on described right flange plate 4, described right oil circuit 9 comprises the first right oil circuit 9.1 and the second right oil circuit 9.2, the lower end of the described first right oil circuit 9.1 is connected to the upper wall of right dashpot 4.1, the upper end of the described first right oil circuit 9.1 is connected to the upper wall outside of right flange plate 4, the left end of the described second right oil circuit 9.2 is connected to the wall inboard, upper left of right flange plate 4, the right-hand member of the described second right oil circuit 9.2 is communicated with the hypomere of the first right oil circuit 9.1, the hypomere of the described first right oil circuit 9.1 is provided with right spring 9.3, the bottom of described right spring 9.3 is connected with a right spheroid 9.4, the first right oil circuit 9.1 of described right spheroid 9.4 belows is up big and down small reducing oil circuit, described right spheroid 9.4 withstands the reducing mouth (diameter changes mouth) of this reducing oil circuit section.
Working principle:
When piston is moved to the left the left end of the cylinder body that will arrive oil cylinder, left cushion pad enters left dashpot, the compressed generation high pressure of hydraulic oil in left dashpot, stop piston further to be moved to the left, reduced the speed that moves to left of piston, when the hydraulic oil in left dashpot arrives certain high pressure, left sphere push left spring, discharge the high pressure liquid force feed in left dashpot, buffering purpose while so just having reached being moved to the left of piston, the pressure that the discharge of the high pressure liquid force feed during simultaneously due to left sphere push left spring in left dashpot makes left flange plate be subject to also unload except.It when piston moves right, is also same reason.

Claims (3)

1. a cushion cylinder, it comprises cylinder block (1), be provided with piston (2) in described cylinder block (1), the two ends, left and right of described cylinder block (1) are respectively arranged with left flange plate (3) and right flange plate (4), the right side of described piston (2) is connected with piston rod (5), described piston rod (5) stretches out cylinder block (1) outside through right flange plate (4), the left side that it is characterized in that described piston (2) is provided with left cushion pad (6), the right side of described piston (2) is provided with right cushion pad (7), the right side of described left flange plate (3) is provided with recessed left dashpot (3.1), the left side of described right flange plate (4) is provided with recessed right dashpot (4.1).
2. a kind of cushion cylinder according to claim 1, it is characterized in that on described left flange plate (3) offering left oil circuit (8), the upper wall of described left dashpot (3.1) offers the first left oil circuit (8.1) to the upper wall outside of left flange plate (3), the upper end of the described first left oil circuit (8.1) is connected with the upper wall outside of left flange plate (3), the upper right side inwall of described left flange plate (3) offers the second left oil circuit (8.2) left, the left end of the described second left oil circuit (8.2) is communicated with the first left oil circuit (8.1), offer right oil circuit (9) on described right flange plate (4), the upper wall of described right dashpot (4.1) the upper wall outside of flange plate (4) to the right offers the first right oil circuit (9.1), the upper end of the described first right oil circuit (9.1) is connected with the upper wall outside of right flange plate (4), the upper left side inwall of described right flange plate (4) offers the second right oil circuit (9.2) to the right, the right-hand member of the described second right oil circuit (9.2) is communicated with the first right oil circuit (9.1).
3. a kind of cushion cylinder according to claim 2, the hypomere that it is characterized in that the described first left oil circuit (8.1) is provided with left spring (8.3), the bottom of described left spring (8.3) is connected with a left spheroid (8.4), the first left oil circuit (8.1) of described left spheroid (8.4) below is up big and down small reducing oil circuit, the hypomere of the described first right oil circuit (9.1) is provided with right spring (9.3), the bottom of described right spring (9.3) is connected with a right spheroid (9.4), the first right oil circuit (9.1) of described right spheroid (9.4) below is up big and down small reducing oil circuit.
CN2013203210178U 2013-06-05 2013-06-05 Buffer oil cylinder Expired - Fee Related CN203321937U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2013203210178U CN203321937U (en) 2013-06-05 2013-06-05 Buffer oil cylinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2013203210178U CN203321937U (en) 2013-06-05 2013-06-05 Buffer oil cylinder

Publications (1)

Publication Number Publication Date
CN203321937U true CN203321937U (en) 2013-12-04

Family

ID=49661292

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2013203210178U Expired - Fee Related CN203321937U (en) 2013-06-05 2013-06-05 Buffer oil cylinder

Country Status (1)

Country Link
CN (1) CN203321937U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104354060A (en) * 2014-10-31 2015-02-18 苏州市宝玛数控设备有限公司 Cutting machine buffering reset mechanism
US10738802B2 (en) 2016-06-16 2020-08-11 Qingdao Acme Innovation Technology Co., Ltd. Hydraulic buffer and cylinder combined with the same
US10962221B2 (en) 2018-11-13 2021-03-30 Pro-Iroda Industries, Inc. Flame gun with flow control ring

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104354060A (en) * 2014-10-31 2015-02-18 苏州市宝玛数控设备有限公司 Cutting machine buffering reset mechanism
US10738802B2 (en) 2016-06-16 2020-08-11 Qingdao Acme Innovation Technology Co., Ltd. Hydraulic buffer and cylinder combined with the same
US10962221B2 (en) 2018-11-13 2021-03-30 Pro-Iroda Industries, Inc. Flame gun with flow control ring

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Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20131204

Termination date: 20160605

CF01 Termination of patent right due to non-payment of annual fee