CN211110555U - Car buffer for elevator well - Google Patents
Car buffer for elevator well Download PDFInfo
- Publication number
- CN211110555U CN211110555U CN201922359182.2U CN201922359182U CN211110555U CN 211110555 U CN211110555 U CN 211110555U CN 201922359182 U CN201922359182 U CN 201922359182U CN 211110555 U CN211110555 U CN 211110555U
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- Prior art keywords
- car
- elevator
- elevator shaft
- base
- screw
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Abstract
The utility model relates to the technical field of elevator safety, in particular to a car buffer device for an elevator shaft, which comprises a car arranged in the elevator shaft; the elevator shaft is characterized in that a base is arranged at the bottom of the elevator shaft, the periphery of the base is fixedly connected with a car through a plurality of spring columns, a plurality of second threaded sleeves are slidably mounted on the outer walls of the left side and the right side of the bottom of the car, a plurality of clamping grooves are uniformly formed in the outer wall of the bottom of the elevator shaft, the clamping grooves correspond to the second threaded sleeves one by one, a clamping block is mounted inside each clamping groove, and a limiting groove is formed in one side, facing the clamping block, of each second; and an adjusting mechanism for driving the second threaded sleeve to move is arranged at the bottom of the car. The utility model discloses when the car loses control and falls fast, base and ground contact collision, the second swivel nut slides towards the draw-in groove this moment, makes the fixture block card go into the inside of spacing groove, forces elevator stop motion, avoids the elevator to fall behind and causes the secondary injury, ensures the inside passenger's of car safety.
Description
Technical Field
The utility model relates to an elevator safety technical field specifically is a car buffer for elevator well.
Background
The elevator brake is an important safety device of the elevator, and the safety and the reliability of the elevator brake are one of important factors for ensuring the safe operation of the elevator. The elevator runs in the elevator shaft, is suspended in the elevator shaft through a suspension rope and is controlled to ascend or descend through a series of mechanical structures and an electronic system, and the electronic system inevitably breaks down, so the elevator must be provided with an emergency handling device to avoid casualties in the elevator car caused by abnormal displacement of the elevator car.
The elevator buffer among the prior art can only slow down the collision of elevator and ground, can't prevent its bounce-back when the elevator falls, avoids the elevator to fall the secondary injury that causes the passenger.
Therefore, in view of the above situation, there is an urgent need to develop a car buffer device for elevator shaft to overcome the shortcomings in the current practical application.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a car buffer for elevator well to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a car buffer device for an elevator shaft comprises a car arranged in the elevator shaft; the elevator shaft is characterized in that a base is arranged at the bottom of the elevator shaft, the periphery of the base is fixedly connected with a car through a plurality of spring columns, a plurality of second threaded sleeves are slidably mounted on the outer walls of the left side and the right side of the bottom of the car, a plurality of clamping grooves are uniformly formed in the outer wall of the bottom of the elevator shaft, the clamping grooves correspond to the second threaded sleeves one by one, a clamping block is mounted inside each clamping groove, and a limiting groove is formed in one side, facing the clamping block, of each second; and an adjusting mechanism for driving the second threaded sleeve to move is arranged at the bottom of the car.
As a further aspect of the present invention: the adjusting mechanism comprises a first screw rod and a plurality of second screw rods, the first screw rods are vertically and rotatably arranged, the second screw rods are horizontally and rotatably arranged, the second screw rods correspond to the second threaded sleeves one to one, a first bevel gear is fixedly arranged at one end of each second screw rod, the other end of each second screw rod is in threaded connection with the corresponding second threaded sleeve, and a second bevel gear meshed with the first bevel gear is fixedly arranged on each first screw rod.
As a further aspect of the present invention: the base is further fixedly provided with a first threaded sleeve, and the lower end of the first screw rod is in threaded connection with the first threaded sleeve.
As a further aspect of the present invention: be provided with the buffer board between car and the base, the upper portion of buffer board passes through connecting plate and car fixed connection, and the left and right sides symmetry of buffer board bottom is articulated installs two sliders.
As a further aspect of the present invention: the base is provided with a sliding groove matched with the sliding block, and the sliding block is slidably arranged inside the sliding groove.
As a further aspect of the present invention: the buffer plate is of an elastic arc-shaped plate structure.
Compared with the prior art, the utility model has the beneficial effects that the utility model discloses when the car loses control and falls fast, base and ground contact collision, the second swivel nut slides towards the draw-in groove this moment, makes the fixture block card go into the inside of spacing groove, forces the elevator stop motion, avoids the elevator to fall behind and causes secondary injury, ensures the safety of the inside passenger of car.
Drawings
Fig. 1 is a schematic structural view of a car buffer for an elevator shaft.
Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.
Fig. 3 is a schematic structural view of a second screw and a second threaded sleeve in the car buffer device for the elevator shaft.
In the figure: 1-lift car, 2-lift shaft, 3-clamping groove, 4-clamping block, 5-base, 6-sliding block, 7-buffer plate, 8-connecting plate, 9-sliding groove, 10-first thread sleeve, 11-spring column, 12-first bevel gear, 13-second bevel gear, 14-first screw, 15-second screw and 16-second thread sleeve.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Example 1
Referring to fig. 1 to 3, in an embodiment of the present invention, a car buffering device for an elevator shaft includes a car 1 installed inside an elevator shaft 2; the elevator shaft is characterized in that a base 5 is arranged at the bottom of the elevator shaft 2, the periphery of the base 5 is fixedly connected with a car 1 through a plurality of spring columns 11, a plurality of second threaded sleeves 16 are slidably mounted on the outer walls of the left side and the right side of the bottom of the car 1, a plurality of clamping grooves 3 are uniformly formed in the outer wall of the bottom of the elevator shaft 2, the clamping grooves 3 correspond to the second threaded sleeves 16 one by one, a clamping block 4 is mounted inside each clamping groove 3, a limiting groove is formed in one side, facing the clamping block 4, of each second threaded sleeve 16, when the car 1 loses control and rapidly falls, the base 5 is in contact collision with the ground, and at the moment, the second threaded sleeves 16 slide towards the clamping grooves 3, so that the clamping blocks 4 are clamped into;
an adjusting mechanism for driving a second threaded sleeve 16 to move is arranged at the bottom of the car 1, the adjusting mechanism comprises a first screw 14 vertically rotatably mounted and a plurality of second screws 15 horizontally rotatably mounted, the second screws 15 correspond to the second threaded sleeves 16 one by one, one end of each second screw 15 is fixedly provided with a first bevel gear 12, the other end of each second screw 15 is in threaded connection with the second threaded sleeves 16, a second bevel gear 13 meshed with the first bevel gear 12 is fixedly mounted on each first screw 14, and the second screws 15 are driven to rotate through the rotation of the first screws 14 so as to drive the second threaded sleeves 16 to rotate; still fixed mounting has first swivel nut 10 on the base 5, the lower extreme and the first swivel nut 10 threaded connection of first screw rod 14, and when base 5 collided with ground, first swivel nut 10 forced first screw rod 14 to rotate, and then drove the outside slip of second swivel nut 16 and stretched into the inside of draw-in groove 3 and fix spacing.
Example 2
Referring to fig. 1 to 3, in an embodiment of the present invention, a car buffering device for an elevator shaft includes a car 1 installed inside an elevator shaft 2; the elevator shaft is characterized in that a base 5 is arranged at the bottom of the elevator shaft 2, the periphery of the base 5 is fixedly connected with a car 1 through a plurality of spring columns 11, a plurality of second threaded sleeves 16 are slidably mounted on the outer walls of the left side and the right side of the bottom of the car 1, a plurality of clamping grooves 3 are uniformly formed in the outer wall of the bottom of the elevator shaft 2, the clamping grooves 3 correspond to the second threaded sleeves 16 one by one, a clamping block 4 is mounted inside each clamping groove 3, a limiting groove is formed in one side, facing the clamping block 4, of each second threaded sleeve 16, when the car 1 loses control and rapidly falls, the base 5 is in contact collision with the ground, and at the moment, the second threaded sleeves 16 slide towards the clamping grooves 3, so that the clamping blocks 4 are clamped into;
an adjusting mechanism for driving a second threaded sleeve 16 to move is arranged at the bottom of the car 1, the adjusting mechanism comprises a first screw 14 vertically rotatably mounted and a plurality of second screws 15 horizontally rotatably mounted, the second screws 15 correspond to the second threaded sleeves 16 one by one, one end of each second screw 15 is fixedly provided with a first bevel gear 12, the other end of each second screw 15 is in threaded connection with the second threaded sleeves 16, a second bevel gear 13 meshed with the first bevel gear 12 is fixedly mounted on each first screw 14, and the second screws 15 are driven to rotate through the rotation of the first screws 14 so as to drive the second threaded sleeves 16 to rotate; still fixed mounting has first swivel nut 10 on the base 5, the lower extreme and the first swivel nut 10 threaded connection of first screw rod 14, and when base 5 collided with ground, first swivel nut 10 forced first screw rod 14 to rotate, and then drove the outside slip of second swivel nut 16 and stretched into the inside of draw-in groove 3 and fix spacing.
The present embodiment is different from embodiment 1 in that:
a buffer plate 7 is arranged between the car 1 and the base 5, the upper part of the buffer plate 7 is fixedly connected with the car 1 through a connecting plate 8, the left side and the right side of the bottom of the buffer plate 7 are symmetrically hinged with two sliding blocks 6, a sliding groove 9 matched with the sliding blocks 6 is formed in the base 5, and the sliding blocks 6 are slidably arranged in the sliding groove 9;
specifically, in this embodiment, the buffer plate 7 is an arc-shaped plate structure with certain elasticity.
The above is only the preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.
Claims (6)
1. A car buffer device for an elevator well comprises a car (1) arranged in an elevator shaft (2); the elevator shaft is characterized in that a base (5) is arranged at the bottom of the elevator shaft (2), the periphery of the base (5) is fixedly connected with a car (1) through a plurality of spring columns (11), a plurality of second threaded sleeves (16) are slidably mounted on the outer walls of the left side and the right side of the bottom of the car (1), a plurality of clamping grooves (3) are uniformly formed in the outer wall of the bottom of the elevator shaft (2), the clamping grooves (3) are in one-to-one correspondence with the second threaded sleeves (16), clamping blocks (4) are mounted in the clamping grooves (3), and a limiting groove is formed in one side, facing the clamping blocks (4), of each second threaded sleeve (16); and an adjusting mechanism for driving the second threaded sleeve (16) to move is arranged at the bottom of the car (1).
2. The car buffering device for the elevator well, according to claim 1, is characterized in that the adjusting mechanism comprises a first screw (14) which is vertically and rotatably installed and a plurality of second screws (15) which are horizontally and rotatably installed, the second screws (15) correspond to the second screw sleeves (16) one by one, one end of each second screw (15) is fixedly provided with a first bevel gear (12), the other end of each second screw (15) is in threaded connection with the corresponding second screw sleeve (16), and a second bevel gear (13) which is meshed with the first bevel gear (12) is fixedly installed on the first screw (14).
3. The car buffer device for the elevator well, according to claim 2, is characterized in that a first threaded sleeve (10) is further fixedly mounted on the base (5), and the lower end of the first screw (14) is in threaded connection with the first threaded sleeve (10).
4. A car buffering device for an elevator well according to any one of claims 1 to 3, characterized in that a buffering plate (7) is arranged between the car (1) and the base (5), the upper part of the buffering plate (7) is fixedly connected with the car (1) through a connecting plate (8), and two sliding blocks (6) are symmetrically hinged and installed on the left side and the right side of the bottom of the buffering plate (7).
5. The car buffer device for the elevator well, according to claim 4, characterized in that the base (5) is provided with a sliding groove (9) which is matched with the sliding block (6), and the sliding block (6) is slidably mounted inside the sliding groove (9).
6. The car buffer device for an elevator shaft according to claim 5, wherein the buffer plate (7) is an elastic arc plate structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922359182.2U CN211110555U (en) | 2019-12-25 | 2019-12-25 | Car buffer for elevator well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922359182.2U CN211110555U (en) | 2019-12-25 | 2019-12-25 | Car buffer for elevator well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211110555U true CN211110555U (en) | 2020-07-28 |
Family
ID=71704514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922359182.2U Expired - Fee Related CN211110555U (en) | 2019-12-25 | 2019-12-25 | Car buffer for elevator well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211110555U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112607554A (en) * | 2020-12-24 | 2021-04-06 | 方冬荣 | Elevator prevents weighing down multiple shock attenuation car |
-
2019
- 2019-12-25 CN CN201922359182.2U patent/CN211110555U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112607554A (en) * | 2020-12-24 | 2021-04-06 | 方冬荣 | Elevator prevents weighing down multiple shock attenuation car |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200728 Termination date: 20211225 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |