CN202880608U - Elevator buffer device - Google Patents
Elevator buffer device Download PDFInfo
- Publication number
- CN202880608U CN202880608U CN 201220595075 CN201220595075U CN202880608U CN 202880608 U CN202880608 U CN 202880608U CN 201220595075 CN201220595075 CN 201220595075 CN 201220595075 U CN201220595075 U CN 201220595075U CN 202880608 U CN202880608 U CN 202880608U
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- Prior art keywords
- buffer
- buffer device
- dash pot
- cylinder
- tube
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- 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
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- 238000010276 construction Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 abstract 2
- 239000010959 steel Substances 0.000 abstract 2
- 101100298222 Caenorhabditis elegans pot-1 gene Proteins 0.000 description 10
- 230000003139 buffering effect Effects 0.000 description 4
- 239000006096 absorbing agent Substances 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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Abstract
The utility model discloses an elevator buffer device, which is excellent in fatigue resistance strength properties, can reduce construction cost and improves buffer effect. The elevator buffer device comprises a straight cylindrical base tube, a guide tube and a buffer tube, wherein the guide tube is movably arranged in the straight cylindrical base tube, the buffer tube is movably arranged in the guide tube, a top cover is arranged on the top end of the buffer tube, a buffer spring is arranged in the buffer tube, one end of the buffer tube is pressed against on the top cover, the other end of the buffer spring is directly pressed against on a hole-shaped basement which is used to mount the straight cylindrical base tube, at least a pair of radial spring holes are arranged on the upper portion of the inner wall of the guide tube, return springs and positioning steel balls are orderly arranged in the radial spring hole, and hemispherical positioning grooves which are corresponding to the positioning steel balls one by one are arranged on the outer wall of the buffer tube. The elevator buffer device reduces the whole height by adopting an arrangement structure of tubes. Furthermore, the elevator buffer device uses the springs as buffer core parts, thereby increasing fatigue resistance strength, and increasing flexible controllability.
Description
Technical field
The utility model relates to the accessory of vertical lifting type elevator, refers 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 the bumpar post.In order to ensure the safety of car, shock absorber need to bear because car falls and unusually to 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, so that the height of whole shock absorber is too high, causes the hoistway that will dig darker, has increased construction cost; And the elasticity of cushion rubber is not easy to control, so that its buffering effect is relatively poor; In addition, cushion rubber is made by materials such as rubber usually, and its fatigue resistance characteristic is relatively poor.
The utility model content
Technical problem to be solved in the utility model is: but provide a kind of fatigue resistance characteristic better, and reducing construction cost, improve the elevator buffer device of buffering effect.
For solving the problems of the technologies described above, the technical solution adopted in the utility model 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 the guide cylinder, the top of dash pot is provided with top cover, be provided with recoil spring in the dash pot, one end of recoil spring is pressed on the 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 the base cylinder; Be provided with buffer limit mechanism between described dash pot and the guide cylinder.
Described guide and limit mechanism comprises: the axially directed groove that at least one pair of is arranged on base cylinder inwall bottom, also 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 beneficial effects of the utility model are: the utility model 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, so that car is safer.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is a kind of structural representation of overlooking direction of guide cylinder among Fig. 1.
Fig. 3 is the another kind of structural representation of overlooking direction of guide cylinder among Fig. 1.
Among 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 utility model 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 the base cylinder 3, dash pot 1 is movably arranged in the guide cylinder 2, the top of dash pot 1 is provided with top cover 11, be provided with recoil spring 4 in the dash pot 1, one end of recoil spring 4 is pressed on the 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 the 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 respectively orienting lug 20 corresponding with the axially directed groove 31 of a corresponding side 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 axially directed groove or the ring-type guide groove that is symmetricly set on guide cylinder 2 inwall bottoms, also outwards connects on the 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 obtains buffering; When car rises, when the detent on the dash pot 1 through the lock ball 6 that contracting in the radial spring hole of guide cylinder 2, lock ball 6 springs in the 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 the guide cylinder, the top of dash pot is provided with top cover, be provided with recoil spring in the dash pot, one end of recoil spring is pressed on the 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 the base cylinder; Be provided with buffer limit mechanism between described dash pot and the guide cylinder.
3. elevator buffer device as claimed in claim 2, it is characterized in that, described guide and limit mechanism comprises: the axially directed groove that at least one pair of is arranged on base cylinder inwall bottom, also 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. such as each described elevator buffer device in the claim 1 to 7, it is characterized in that: 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220595075 CN202880608U (en) | 2012-11-13 | 2012-11-13 | Elevator buffer device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220595075 CN202880608U (en) | 2012-11-13 | 2012-11-13 | Elevator buffer device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202880608U true CN202880608U (en) | 2013-04-17 |
Family
ID=48072055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220595075 Expired - Fee Related CN202880608U (en) | 2012-11-13 | 2012-11-13 | Elevator buffer device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202880608U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103101822A (en) * | 2012-11-13 | 2013-05-15 | 江苏通速交通配件有限公司 | Elevator buffer device |
| CN106698145A (en) * | 2015-11-15 | 2017-05-24 | 青岛世纪云帆实业有限公司 | Buffer and anti-rebound device for elevator falling |
| CN107434199A (en) * | 2017-09-22 | 2017-12-05 | 苏州天宇润电梯部件有限公司 | A kind of elevator safe buffering equipment |
-
2012
- 2012-11-13 CN CN 201220595075 patent/CN202880608U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103101822A (en) * | 2012-11-13 | 2013-05-15 | 江苏通速交通配件有限公司 | Elevator buffer device |
| CN106698145A (en) * | 2015-11-15 | 2017-05-24 | 青岛世纪云帆实业有限公司 | Buffer and anti-rebound device for elevator falling |
| CN107434199A (en) * | 2017-09-22 | 2017-12-05 | 苏州天宇润电梯部件有限公司 | A kind of elevator safe buffering equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20130417 Termination date: 20141113 |
|
| EXPY | Termination of patent right or utility model |