CN203847613U - Adjustable hydraulic buffer limiting stopper - Google Patents

Adjustable hydraulic buffer limiting stopper Download PDF

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Publication number
CN203847613U
CN203847613U CN201420280158.4U CN201420280158U CN203847613U CN 203847613 U CN203847613 U CN 203847613U CN 201420280158 U CN201420280158 U CN 201420280158U CN 203847613 U CN203847613 U CN 203847613U
Authority
CN
China
Prior art keywords
chamber
channel
viscous oil
buffer body
piston
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
CN201420280158.4U
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Chinese (zh)
Inventor
武欣竹
雷伟斌
王丽君
杨继盛
成智会
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.)
Xian Aeronautical Polytechnic Institute
Original Assignee
Xian Aeronautical Polytechnic Institute
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 Xian Aeronautical Polytechnic Institute filed Critical Xian Aeronautical Polytechnic Institute
Priority to CN201420280158.4U priority Critical patent/CN203847613U/en
Application granted granted Critical
Publication of CN203847613U publication Critical patent/CN203847613U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses an adjustable hydraulic buffer limiting stopper which comprises a buffer body. One end of the buffer body is provided with a cavity. One side of the buffer body is provided with an end cover used for sealing the cavity. A piston is arranged in the cavity. The piston is connected with a piston rod which penetrates through the end cover. The cavity comprises a first chamber located between the piston and the inner side wall of the cavity and a second chamber located between the piston and the end cover. The buffer body is provided with a viscous oil channel. One end of the viscous oil channel is communicated with the first chamber. The other end of the viscous oil channel is communicated with the second chamber. An adjusting screw used for adjusting the drift diameter of the viscous oil channel is mounted on the buffer body. The adjustable hydraulic buffer limiting stopper can bear large impact by adjusting the drift diameter of the viscous oil channel.

Description

Adjustable hydraulic buffer limiter
Technical field
The utility model relates to a kind of buffer limiter, particularly relates to a kind of adjustable hydraulic buffer limiter.
Background technique
Buffer limiter is a kind of limited target object motion and then makes the destination object device of stop motion gradually, and its application is quite extensive.In Machinery Tool Automation field or material transportation field, often can use buffer limiter workpiece or material are cushioned to reach the effect of restriction object of which movement.
At present, buffer limiter is simply on iron block, to fix block rubber mostly, and then plays the effect of restriction object of which movement, or there is no rubber be that an irony workpiece is fixed on end of travel.The shortcoming of said structure is the size that can not regulate cushion effect, and while running into large impact force, workpiece or material and buffer limiter bump and can cause the damage of buffer limiter, and then cause spacing inefficacy.
Model utility content
The purpose of this utility model is to overcome above-mentioned deficiency of the prior art, and a kind of adjustable hydraulic buffer limiter is provided.This adjustable hydraulic buffer limiter is by the latus rectum of viscous oil passage is regulated, and then makes this buffer limiter can bear large impact.
For achieving the above object, the technical solution adopted in the utility model is: adjustable hydraulic buffer limiter, it is characterized in that: comprise buffer body, one end of described buffer body offers chamber, one side of described buffer body is provided with the end cap for sealing described chamber, in described chamber, be provided with piston, described piston is connected with the piston rod through end cap, described chamber comprises the first chamber between piston and described chamber madial wall and the second chamber between piston and end cap, on described buffer body, be provided with viscous oil passage, one end of described viscous oil passage is connected with the first chamber, the other end of described viscous oil passage is connected with the second chamber, the adjusting screw of the latus rectum for adjusting described viscous oil passage is installed on described buffer body.
Above-mentioned adjustable hydraulic buffer limiter, it is characterized in that: described viscous oil passage comprises first passage, second channel, third channel and four-way, described first passage and third channel are level and lay, described second channel and four-way are vertical laying, one end of described first passage is connected with the first chamber, the other end of described first passage is connected with the lower end of second channel and for the tapped hole that adjusting screw is installed, the upper end of described second channel is connected with one end of third channel, the other end of described third channel is connected with the upper end of four-way, the lower end of described four-way is connected with the second chamber.
Above-mentioned adjustable hydraulic buffer limiter, is characterized in that: in described adjusting screw, locking nut is installed.
Above-mentioned adjustable hydraulic buffer limiter, is characterized in that: comprise the fixed pedestal for buffer body is installed.
Above-mentioned adjustable hydraulic buffer limiter, is characterized in that: the bottom of described buffer body is provided with the joint that stretches into fixed pedestal, and described joint is L-type, and described fixed pedestal is connected by connecting bolt with joint.
Above-mentioned adjustable hydraulic buffer limiter, is characterized in that: between described end cap and buffer body, be provided with the first seal ring.
Above-mentioned adjustable hydraulic buffer limiter, is characterized in that: between described end cap and piston rod, be provided with the second seal ring.
The utility model compared with prior art has the following advantages:
1, of the present utility model simple in structure, rationally novel in design.
2, the utility model, by locking nut is set, has further ensured that adjusting screw and buffer body are connected firmly, and can make the latus rectum of the viscous oil passage of modulated screw restriction remain unchanged.
3, the utility model, by the first seal ring is set, can avoid the viscous oil in the second chamber to ooze out between end cap and buffer body.By the second seal ring is set, can avoids the viscous oil in the second chamber to ooze out between end cap and piston rod, and then ensure the resistance of viscous oil to piston.
4, the utility model is because joint is deep into fixed pedestal the inside, and impact force reaches after buffer body, and buffer body catches on fixed pedestal automatically by the joint that is L-type, can not cause excessive shearing force or pulling force to connecting bolt.
5, the utility model, due to built-in spring, impacting after contact, is released piston rod automatically, has harmless auto restore facility.
6, of the present utility model to realize cost low, and using effect is good, is convenient to promote the use of.
In sum, the utility model is simple in structure, and rationally novel in design, functional reliability is high, long service life, and using effect is good, is convenient to promote the use of.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the plan view of Fig. 1.
Description of reference numerals:
1-buffer body; The 2-the first chamber; 3-adjusting screw;
4-locking nut; 5-second channel; The 6-the first plug;
The 7-the second plug; 8-first passage; 9-spring;
10-third channel; The 11-the three plug; The 12-the four-way;
The 13-the first seal ring; 14-end cap; The 15-the second seal ring;
16-piston rod; 17-connecting bolt; 18-fixed pedestal;
19-piston; The 20-the second chamber; 21-joint.
Embodiment
A kind of adjustable hydraulic buffer limiter as depicted in figs. 1 and 2, comprise buffer body 1, one end of described buffer body 1 offers chamber, one side of described buffer body 1 is provided with the end cap 14 for sealing described chamber, in described chamber, be provided with piston 19, described piston 19 is connected with the piston rod 16 through end cap 14, described chamber comprises the first chamber 2 between piston 19 and described chamber madial wall and the second chamber 20 between piston 19 and end cap 14, in described the second chamber 20, be provided with spring 9, spring 9 is pushed piston 19 and piston rod 16 to end cap 14 directions all the time, keep piston rod 16 to stretch out state.On described buffer body 1, be provided with viscous oil passage, one end of described viscous oil passage is connected with the first chamber 2, the other end of described viscous oil passage is connected with the second chamber 20, and the adjusting screw 3 of the latus rectum for adjusting described viscous oil passage is installed on described buffer body 1.
In the present embodiment, in the time that the left end of piston rod 16 is subject to impacting, can move right, thereby drive piston 19 Compress Springs 9, the viscous oil that promotes 2 li of the first chambers flows to the second chamber 20 along viscous oil passage.Can make the latus rectum of viscous oil passage diminish by adjusting adjusting screw 3, and then increase the moving resistance of piston rod 16, thereby make limited object stop motion.Remove after recovery normally when limited object, piston rod 16 and piston 19, under the elastic force effect of spring 9, are moved to the left gradually and return to initial position.By adjusting screw 3 is set, can regulates the latus rectum of viscous oil passage, and then make this buffer limiter can bear large impact.
As shown in Figure 1, described viscous oil passage comprises first passage 8, second channel 5, third channel 10 and four-way 12, described first passage 8 and third channel 10 are level and lay, described second channel 5 and four-way 12 are vertical laying, one end of described first passage 8 is connected with the first chamber 2, the other end of described first passage 8 is connected with the lower end of second channel 5 and for the tapped hole that adjusting screw 3 is installed, the upper end of described second channel 5 is connected with one end of third channel 10, the other end of described third channel 10 is connected with the upper end of four-way 12, the lower end of described four-way 12 is connected with the second chamber 20.
In the present embodiment, for convenient processing, the upper end of described second channel 5, the right-hand member of described third channel 10, the upper end of described four-way 12 are opening, in order to ensure the encapsulation of described viscous oil passage, the right-hand member of described third channel 10 is by the first plug 6 shutoff, the upper end of described second channel 5 is by the second plug 7 shutoff, and the upper end of described four-way 12 is by the 3rd plug 11 shutoff.
As shown in Figure 1, in described adjusting screw 3, locking nut 4 is installed.By locking nut 4 is set, further ensure that adjusting screw 3 and buffer body 1 are connected firmly, can make the latus rectum of the viscous oil passage that modulated screw 3 limits remain unchanged.
As depicted in figs. 1 and 2, this adjustable hydraulic buffer limiter also comprises the fixed pedestal 18 for buffer body 1 is installed.The bottom of described buffer body 1 is provided with the joint 21 that stretches into fixed pedestal 18, and described joint 21 is L-type, and described fixed pedestal 18 is connected by connecting bolt 17 with joint 21.
In the present embodiment, because joint 21 is deep into fixed pedestal 18 the insides, impact force reaches after buffer body 1, and buffer body 1 catches on fixed pedestal 18 automatically by the joint 21 that is L-type, can not cause excessive shearing force or pulling force to connecting bolt 17.
As shown in Figure 1, between described end cap 14 and buffer body 1, be provided with the first seal ring 13.Between described end cap 14 and piston rod 16, be provided with the second seal ring 15.By the first seal ring 13 is set, can avoid the viscous oil in the second chamber 20 to ooze out between end cap 14 and buffer body 1.By the second seal ring 15 is set, can avoids the viscous oil in the second chamber 20 to ooze out between end cap 14 and piston rod 16, and then ensure the resistance of viscous oil to piston 19.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every any simple modification, change and equivalent structure transformation of above embodiment being done according to the utility model technical spirit, all still belongs in the protection domain of technical solutions of the utility model.

Claims (7)

1. adjustable hydraulic buffer limiter, it is characterized in that: comprise buffer body (1), one end of described buffer body (1) offers chamber, one side of described buffer body (1) is provided with the end cap (14) for sealing described chamber, in described chamber, be provided with piston (19), described piston (19) is connected with the piston rod (16) through end cap (14), described chamber comprise be positioned at the first chamber (2) between piston (19) and described chamber madial wall and be positioned at piston (19) and end cap (14) between the second chamber (20), on described buffer body (1), be provided with viscous oil passage, one end of described viscous oil passage is connected with the first chamber (2), the other end of described viscous oil passage is connected with the second chamber (20), the adjusting screw (3) of the latus rectum for adjusting described viscous oil passage is installed on described buffer body (1).
2. adjustable hydraulic buffer limiter according to claim 1, it is characterized in that: described viscous oil passage comprises first passage (8), second channel (5), third channel (10) and four-way (12), described first passage (8) and third channel (10) are level and lay, described second channel (5) and four-way (12) are vertical laying, one end of described first passage (8) is connected with the first chamber (2), the other end of described first passage (8) is connected with the lower end of second channel (5) and for the tapped hole that adjusting screw (3) is installed, the upper end of described second channel (5) is connected with one end of third channel (10), the other end of described third channel (10) is connected with the upper end of four-way (12), the lower end of described four-way (12) is connected with the second chamber (20).
3. adjustable hydraulic buffer limiter according to claim 1, is characterized in that: locking nut (4) is installed in described adjusting screw (3).
4. adjustable hydraulic buffer limiter according to claim 1, is characterized in that: comprise the fixed pedestal (18) for buffer body (1) is installed.
5. adjustable hydraulic buffer limiter according to claim 4, it is characterized in that: the bottom of described buffer body (1) is provided with the joint (21) that stretches into fixed pedestal (18), described joint (21) is L-type, and described fixed pedestal (18) is connected by connecting bolt (17) with joint (21).
6. adjustable hydraulic buffer limiter according to claim 1, is characterized in that: between described end cap (14) and buffer body (1), be provided with the first seal ring (13).
7. adjustable hydraulic buffer limiter according to claim 1, is characterized in that: between described end cap (14) and piston rod (16), be provided with the second seal ring (15).
CN201420280158.4U 2014-05-28 2014-05-28 Adjustable hydraulic buffer limiting stopper Expired - Fee Related CN203847613U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420280158.4U CN203847613U (en) 2014-05-28 2014-05-28 Adjustable hydraulic buffer limiting stopper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420280158.4U CN203847613U (en) 2014-05-28 2014-05-28 Adjustable hydraulic buffer limiting stopper

Publications (1)

Publication Number Publication Date
CN203847613U true CN203847613U (en) 2014-09-24

Family

ID=51560635

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420280158.4U Expired - Fee Related CN203847613U (en) 2014-05-28 2014-05-28 Adjustable hydraulic buffer limiting stopper

Country Status (1)

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CN (1) CN203847613U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105800444A (en) * 2016-06-08 2016-07-27 岳阳大力神电磁机械有限公司 Anti-impact, anti-rubbing, anti-collision and anti-scratching protective device for steel plates hoisted and transported by aid of electromagnets
CN105901928A (en) * 2016-05-27 2016-08-31 马鞍山市翔宇机械自动化科技有限公司 High-precision hydraulic balance table

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105901928A (en) * 2016-05-27 2016-08-31 马鞍山市翔宇机械自动化科技有限公司 High-precision hydraulic balance table
CN105800444A (en) * 2016-06-08 2016-07-27 岳阳大力神电磁机械有限公司 Anti-impact, anti-rubbing, anti-collision and anti-scratching protective device for steel plates hoisted and transported by aid of electromagnets

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

Granted publication date: 20140924

Termination date: 20150528

EXPY Termination of patent right or utility model