CN103101822A - Elevator buffer device - Google Patents
Elevator buffer device Download PDFInfo
- Publication number
- CN103101822A CN103101822A CN2012104522054A CN201210452205A CN103101822A CN 103101822 A CN103101822 A CN 103101822A CN 2012104522054 A CN2012104522054 A CN 2012104522054A CN 201210452205 A CN201210452205 A CN 201210452205A CN 103101822 A CN103101822 A CN 103101822A
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- cylinder
- buffer
- guide
- dash pot
- guide cylinder
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Abstract
The invention discloses an elevator buffer device which is good in fatigue resistance characteristic, and can lower construction cost and improve buffering effect. The elevator buffer device comprises a base cylinder in a straight round cylinder shape, a guide cylinder, and a buffer cylinder, wherein the guide cylinder is movably arranged inside the base cylinder, the buffer cylinder is movably arranged inside the guide cylinder, the top end of the buffer cylinder is provided with a top cover, a buffer spring is arranged inside the buffer cylinder, one end of the buffer spring abuts against the top cover, the other end of the buffer spring directly abuts against a hole-shaped base which is used for installing the base cylinder, the upper portion of the inner wall of the guide wall is provided with at least one pair of radial spring holes, a reset spring and locating steel balls are arranged inside the pair of radial spring holes in sequence, and locating grooves, which are correspondingly matched with the locating steel balls, in a spherical surface shape are formed in the outer wall of the buffer cylinder one to one. The arrangement structure that a cylinder is sleeved on a cylinder is adopted, the height of the whole buffer device is lowered, and in addition, the spring is used as a buffer core part, and therefore the fatigue resistance of the whole device is increased, and controllability of the elasticity of the device is increased.
Description
Technical field
The present invention relates to the accessory of vertical lifting type elevator, refer more particularly to a kind of elevator buffer device.
Background technology
Traditional elevator buffer device, its structure comprises: be fixed on the bumpar post on the Horizon basis, be provided with cushion rubber on bumpar post.In order to ensure the safety of car, shock absorber need to bear because car falls extremely its enormous impact that causes, and certainly will cushion rubber will be done very thick, and the elasticity that also must control cushion rubber is more moderate, and is too soft too firmly all not all right.Therefore, the cushion rubber in traditional elevator buffer device is too thick, adds the height of bumpar post, makes the height of whole shock absorber too high, causes the hoistway that will dig darker, has increased construction cost; And the elasticity of cushion rubber is not easy to control, and makes its buffering effect relatively poor; In addition, cushion rubber is made by materials such as rubber usually, and its fatigue resistance characteristic is relatively poor.
Summary of the invention
Technical matters to be solved by this invention is: provide a kind of fatigue resistance characteristic better, also can reduce the elevator buffer device of construction cost, raising buffering effect.
for solving the problems of the technologies described above, the technical solution used in the present invention is: elevator buffer device, comprise: the base cylinder of straight cylinder shape, guide cylinder and dash pot, guide cylinder is movably arranged in the base cylinder, dash pot is movably arranged in guide cylinder, the top of dash pot is provided with top cover, be provided with recoil spring in dash pot, one end of recoil spring is pressed on top cover, the other end of recoil spring directly is pressed on for the hole shape basis that the base cylinder is installed, the top of described guide cylinder inwall offers at least one pair of radial spring hole, be disposed with retracing spring and lock ball in the radial spring hole, offer on the outer wall of described dash pot and the lock ball hemisphere face shape detent of corresponding matching one by one.
Be provided with guide and limit mechanism between described guide cylinder and base cylinder; Be provided with buffer limit mechanism between described dash pot and guide cylinder.
Described guide and limit mechanism comprises: at least one pair of is arranged on base cylinder inwall bottom, and the axially directed groove that outwards connects, is provided with the orienting lug corresponding with this axially directed groove on the outer wall of described guide cylinder.
Described guide and limit mechanism comprises: be arranged on base cylinder inwall bottom, and the ring-type guide groove that outwards connects, be provided with the orienting lug of at least one pair of or ring-type on the outer wall of described guide cylinder.
Described buffer limit mechanism comprises: at least one pair of is arranged on guide cylinder inwall bottom, and the axially directed groove that outwards connects, is provided with the orienting lug corresponding with this axially directed groove on the outer wall of described dash pot.
Described buffer limit mechanism comprises: be arranged on guide cylinder inwall bottom, and the ring-type guide groove that outwards connects, be provided with the orienting lug of at least one pair of or ring-type on the outer wall of described dash pot.
Be provided with cushion rubber on the top cover of described dash pot.
The height of the height of described dash pot and base cylinder is suitable, and the height of described guide cylinder is greater than highly half of base cylinder.
The invention has the beneficial effects as follows: the present invention adopts the arrangement structure of jacket casing cylinder, has reduced the height of whole shock absorber, adopts spring as the buffering core component, has increased the fatigue resistance of whole device, and has increased its elastomeric controllability; In addition, the cushion rubber that is arranged on the top cover of dash pot has all further increased insurance system, makes car safer.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is a kind of structural representation of overlooking direction of guide cylinder in Fig. 1.
Fig. 3 is the another kind of structural representation of overlooking direction of guide cylinder in Fig. 1.
In Fig. 1 to Fig. 3: 1, dash pot, 10, orienting lug, 11, top cover, 2, guide cylinder, 20, orienting lug, 3, base cylinder, 31, axially directed groove, 32, the ring-type guide groove, 4, recoil spring, 5, retracing spring, 6, lock ball, 7, cushion rubber, 8, the hole shape basis.
The specific embodiment
Below in conjunction with accompanying drawing, describe specific embodiments of the present invention in detail:
as shown in Figure 1, a kind of elevator buffer device, comprise: the base cylinder 3 of straight cylinder shape, guide cylinder 2 and dash pot 1, guide cylinder 2 is movably arranged in base cylinder 3, dash pot 1 is movably arranged in guide cylinder 2, the top of dash pot 1 is provided with top cover 11, be provided with recoil spring 4 in dash pot 1, one end of recoil spring 4 is pressed on top cover 11, the other end of recoil spring 4 directly is pressed on the bottom surface for the hole shape basis 8 that base cylinder 3 is installed, cast with cement concrete (perhaps ferro-concrete) usually on hole shape basis 8, the top of described guide cylinder 2 inwalls offers a pair of radial spring hole that is arranged symmetrically with, be disposed with retracing spring 5 and lock ball 6 in the radial spring hole, offer on the outer wall of described dash pot 1 and the lock ball 6 hemisphere face shape detent of corresponding matching one by one.In the present embodiment, be provided with guide and limit mechanism between described guide cylinder 2 and base cylinder 3, this guide and limit mechanism has two kinds of structures at least, the first structure as shown in Figure 2, this guide and limit mechanism comprises: a pair of base cylinder 3 inwall bottoms, and the axially directed groove 31 that outwards connects of being symmetricly set on is provided with a pair of orienting lug 20 corresponding with the axially directed groove 31 of a corresponding side respectively on the outer wall of described guide cylinder 2; The second structure as shown in Figure 3, this guide and limit mechanism comprises: be arranged on base cylinder 3 inwall bottoms, and the ring-type guide groove 32 that outwards connects, be provided with the orienting lug of a pair of orienting lug that is arranged symmetrically with 20 or ring-type on the outer wall of described guide cylinder 2.Described buffer limit mechanism is identical with the structure of guiding buffer gear, that is: be provided with a pair of guide cylinder 2 inwall bottoms, and the axially directed groove or the ring-type guide groove that outwards connect of being symmetricly set on guide cylinder 2, be provided with the orienting lug of a pair of orienting lug that is arranged symmetrically with 10 or ring-type on the outer wall of dash pot 1; Be provided with cushion rubber 7 on the top cover 11 of described dash pot 1; The height of the height of dash pot 1 and base cylinder 3 is suitable, and the height of guide cylinder 2 is greater than highly half of base cylinder 3.
In actual use: when car fell, car can be oppressed cushion rubber 7 and guide cylinder 2, and under the combined action of recoil spring 4 and cushion rubber 7, car is cushioned; When car rises, detent on dash pot 1 is through contracting during the lock ball 6 in the radial spring hole of guide cylinder 2, lock ball 6 springs in corresponding detent under the effect of retracing spring 5, like this, guide cylinder 2 just rises under the effect of recoil spring 4 together along with dash pot 1, gets back to initial position separately.
Claims (8)
1. elevator buffer device, it is characterized in that, described elevator buffer device comprises: the base cylinder of straight cylinder shape, guide cylinder and dash pot, guide cylinder is movably arranged in the base cylinder, dash pot is movably arranged in guide cylinder, the top of dash pot is provided with top cover, be provided with recoil spring in dash pot, one end of recoil spring is pressed on top cover, the other end of recoil spring directly is pressed on for the hole shape basis that the base cylinder is installed, the top of described guide cylinder inwall offers at least one pair of radial spring hole, be disposed with retracing spring and lock ball in the radial spring hole, offer on the outer wall of described dash pot and the lock ball hemisphere face shape detent of corresponding matching one by one.
2. elevator buffer device as claimed in claim 1, is characterized in that, is provided with guide and limit mechanism between described guide cylinder and base cylinder; Be provided with buffer limit mechanism between described dash pot and guide cylinder.
3. elevator buffer device as claimed in claim 2, it is characterized in that, described guide and limit mechanism comprises: at least one pair of is arranged on base cylinder inwall bottom, and the axially directed groove that outwards connects, is provided with the orienting lug corresponding with this axially directed groove on the outer wall of described guide cylinder.
4. elevator buffer device as claimed in claim 2, it is characterized in that, described guide and limit mechanism comprises: be arranged on base cylinder inwall bottom, and the ring-type guide groove that outwards connects, be provided with the orienting lug of at least one pair of or ring-type on the outer wall of described guide cylinder.
5. elevator buffer device as claimed in claim 2, it is characterized in that, described buffer limit mechanism comprises: at least one pair of is arranged on guide cylinder inwall bottom, and the axially directed groove that outwards connects, is provided with the orienting lug corresponding with this axially directed groove on the outer wall of described dash pot.
6. elevator buffer device as claimed in claim 2, it is characterized in that, described buffer limit mechanism comprises: be arranged on guide cylinder inwall bottom, and the ring-type guide groove that outwards connects, be provided with the orienting lug of at least one pair of or ring-type on the outer wall of described dash pot.
7. elevator buffer device as claimed in claim 1, is characterized in that, is provided with cushion rubber on the top cover of described dash pot.
8. elevator buffer device as described in any one in claim 1 to 7 is characterized in that: the height of described dash pot is suitable with the height of base cylinder, and the height of described guide cylinder is greater than half of base cylinder height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104522054A CN103101822A (en) | 2012-11-13 | 2012-11-13 | Elevator buffer device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104522054A CN103101822A (en) | 2012-11-13 | 2012-11-13 | Elevator buffer device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103101822A true CN103101822A (en) | 2013-05-15 |
Family
ID=48310073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012104522054A Pending CN103101822A (en) | 2012-11-13 | 2012-11-13 | Elevator buffer device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103101822A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104803253A (en) * | 2015-04-27 | 2015-07-29 | 姬志强 | Elevator buffer brake device |
| CN110863562A (en) * | 2019-11-21 | 2020-03-06 | 中建三局集团有限公司 | Can have enough to meet need regularization steel construction elevator basis |
| CN111039125A (en) * | 2018-10-15 | 2020-04-21 | 潘实 | Hydraulic buffer device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2276493Y (en) * | 1996-08-26 | 1998-03-18 | 上海沪工电动工具总厂 | Electric jack |
| JP2001151435A (en) * | 1999-11-25 | 2001-06-05 | Hitachi Ltd | Elevator shock absorber and elevator |
| JP2003146554A (en) * | 2001-11-05 | 2003-05-21 | Mitsubishi Electric Corp | Multi-stage hydraulic shock absorber |
| CN2642760Y (en) * | 2003-08-04 | 2004-09-22 | 许国智 | Improved screw-type support executing device |
| CN1920238A (en) * | 2006-09-13 | 2007-02-28 | 辽河石油勘探局 | Oil field floor pipeline quick-acting connector |
| US20100307871A1 (en) * | 2007-08-31 | 2010-12-09 | Mitsubishi Electric Corporation | Oil buffer for an elevator |
| EP2269933A1 (en) * | 2008-04-30 | 2011-01-05 | Mitsubishi Electric Corporation | Shock absorber for elevator |
| CN102555928A (en) * | 2012-01-11 | 2012-07-11 | 河南科技大学 | Novel protector for head-up display |
| CN202880608U (en) * | 2012-11-13 | 2013-04-17 | 江苏通速交通配件有限公司 | Elevator buffer device |
-
2012
- 2012-11-13 CN CN2012104522054A patent/CN103101822A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2276493Y (en) * | 1996-08-26 | 1998-03-18 | 上海沪工电动工具总厂 | Electric jack |
| JP2001151435A (en) * | 1999-11-25 | 2001-06-05 | Hitachi Ltd | Elevator shock absorber and elevator |
| JP2003146554A (en) * | 2001-11-05 | 2003-05-21 | Mitsubishi Electric Corp | Multi-stage hydraulic shock absorber |
| CN2642760Y (en) * | 2003-08-04 | 2004-09-22 | 许国智 | Improved screw-type support executing device |
| CN1920238A (en) * | 2006-09-13 | 2007-02-28 | 辽河石油勘探局 | Oil field floor pipeline quick-acting connector |
| US20100307871A1 (en) * | 2007-08-31 | 2010-12-09 | Mitsubishi Electric Corporation | Oil buffer for an elevator |
| EP2269933A1 (en) * | 2008-04-30 | 2011-01-05 | Mitsubishi Electric Corporation | Shock absorber for elevator |
| CN102555928A (en) * | 2012-01-11 | 2012-07-11 | 河南科技大学 | Novel protector for head-up display |
| CN202880608U (en) * | 2012-11-13 | 2013-04-17 | 江苏通速交通配件有限公司 | Elevator buffer device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104803253A (en) * | 2015-04-27 | 2015-07-29 | 姬志强 | Elevator buffer brake device |
| CN111039125A (en) * | 2018-10-15 | 2020-04-21 | 潘实 | Hydraulic buffer device |
| CN110863562A (en) * | 2019-11-21 | 2020-03-06 | 中建三局集团有限公司 | Can have enough to meet need regularization steel construction elevator basis |
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Application publication date: 20130515 |