CN216737049U - Elevator safety tongs with buffer structure - Google Patents
Elevator safety tongs with buffer structure Download PDFInfo
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- CN216737049U CN216737049U CN202220261092.9U CN202220261092U CN216737049U CN 216737049 U CN216737049 U CN 216737049U CN 202220261092 U CN202220261092 U CN 202220261092U CN 216737049 U CN216737049 U CN 216737049U
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Abstract
The utility model discloses an elevator safety gear with a buffer structure, which comprises a box body, a first buffer mechanism and a second buffer mechanism, wherein the first buffer mechanism consists of a connecting block, a movable block and a spring, the movable block is arranged inside a control block, one side of the movable block is provided with a movable groove, one side of the control block is provided with a sliding groove, one side of the connecting block penetrates through the inside of the sliding groove and is in sliding connection with the inner wall of the movable groove, the other side of the connecting block is fixedly connected with one side of a brake block, and the spring is fixedly connected to the top end of the connecting block. According to the elevator, the movable block, the connecting block, the movable groove and the spring are arranged, when the brake block is just contacted with the slide rail, the connecting block can move upwards in the movable groove in the movable block due to the friction force between the brake block and the slide rail, so that the spring is compressed, the friction force between the brake block and the slide rail is gradually increased, the elevator is gradually decelerated to stop, the sudden stop phenomenon of the elevator is avoided, and the use safety of the elevator is improved.
Description
Technical Field
The utility model relates to the technical field of elevators, in particular to an elevator safety gear with a buffer structure.
Background
An elevator refers to a permanent transportation device serving a plurality of specific floors in a building, and a safety gear is a safety protection device in use of the elevator.
When the problem of sudden drop appears in the elevator, the controller can use two block relative rotations in the safety tongs for the brake pads on two block can support the slide rail, thereby make the elevator braking through the frictional force between brake pads and the slide rail, but the mode that the brake pads directly supported the slide rail makes the elevator can appear the phenomenon of sudden stop, makes the passenger in the elevator have dangerous phenomenon, has reduced the security that the elevator used.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an elevator safety gear with a buffer structure, so as to solve the problems in the prior art.
In order to achieve the purpose, the utility model provides the following technical scheme: elevator safety tongs with buffer structure includes:
the brake device comprises a box body, two clamp blocks are symmetrically arranged in the box body, one sides of the two clamp blocks opposite to each other are provided with control blocks, and one sides of the two control blocks opposite to each other are provided with brake blocks;
the first buffer mechanism consists of a connecting block, a movable block and a spring, the movable block is arranged inside the control block, one side of the movable block is provided with a movable groove, one side of the control block is provided with a sliding groove, one side of the connecting block penetrates through the inside of the sliding groove and is in sliding connection with the inner wall of the movable groove, the other side of the connecting block is fixedly connected with one side of the brake block, and the spring is fixedly connected to the top end of the connecting block;
and the second buffer mechanism is arranged on the other side of the movable block.
Preferably, the inner wall fixedly connected with dead lever of activity groove, the activity hole has been seted up on the top of connecting block, the outer wall of dead lever alternates with the inner wall activity in activity hole to be connected, the outside of dead lever is located to the spring housing.
Preferably, the limiting grooves are formed in the two side sides of the inner wall of the movable groove, the limiting blocks are fixedly connected to the front face and the back face of the connecting block, and the outer walls of the limiting blocks are connected with the inner walls of the two limiting grooves in a sliding mode respectively.
Preferably, second buffer gear is including activity chamber and a plurality of reed, the inside of control block is seted up in the activity chamber, movable block sliding connection is in the inner wall in activity chamber, and is a plurality of the equal fixed connection of reed is in the inner wall in activity chamber, and is a plurality of one side of reed all sets up with the opposite side laminating of movable block.
Preferably, the top ends of the two control blocks are provided with pull rods, the top end of the box body is provided with two slots, the two pull rods are movably inserted into the two slots respectively, and a connecting mechanism is arranged between the pull rods and the control blocks.
Preferably, the connecting mechanism comprises two fixing plates, the two fixing plates are fixedly connected to the top end of the control block, and the pull rod is rotatably connected between the two fixing plates.
The utility model has the technical effects and advantages that:
(1) according to the elevator braking device, the movable block, the connecting block, the movable groove and the spring are arranged, when the braking block is just contacted with the sliding rail, the connecting block can move upwards in the movable groove in the movable block due to friction force between the braking block and the sliding rail, so that the spring is compressed, and in the process of compressing the spring, the friction force between the braking block and the sliding rail is gradually increased, so that the elevator is gradually decelerated to stop, the phenomenon of sudden stop of the elevator is avoided, and the use safety of the elevator is improved;
(2) according to the utility model, by means of the arrangement of the reed, after the brake block is contacted with the slide rail, the movable block extrudes the reed in the movable cavity, so that the reaction force of the compression of the reed on the movable block is gradually increased, that is, the friction force between the brake block and the slide rail is gradually increased, the phenomenon of sudden drop of the elevator is further avoided, and the use safety of the elevator is improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a front sectional structural view of the control block of the present invention.
Fig. 3 is a schematic sectional view of the top surface of the movable block of the present invention.
In the figure: 1. a box body; 2. a clamp block; 3. a control block; 4. a brake pad; 5. a chute; 6. a movable cavity; 7. a movable block; 8. a movable groove; 9. connecting blocks; 10. a spring; 11. a movable hole; 12. fixing the rod; 13. a limiting groove; 14. a limiting block; 15. a reed; 16. a pull rod; 17. a slot; 18. a fixing sheet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The utility model provides an elevator safety gear with a buffer structure as shown in figures 1-3, which comprises a box body 1, a first buffer mechanism and a second buffer mechanism, wherein two clamp blocks 2 are symmetrically arranged in the box body 1, one sides of the two clamp blocks 2 opposite to each other are respectively provided with a control block 3, one sides of the two control blocks 3 opposite to each other are respectively provided with a brake block 4, and the two brake blocks 4 move relatively to abut against a sliding rail, so that an elevator is braked;
the first buffer mechanism consists of a connecting block 9, a movable block 7 and a spring 10, the movable block 7 is arranged inside the control block 3, one side of the movable block 7 is provided with a movable groove 8, one side of the control block 3 is provided with a sliding groove 5, one side of the connecting block 9 penetrates through the inside of the sliding groove 5 and is in sliding connection with the inner wall of the movable groove 8, the other side of the connecting block 9 is fixedly connected with one side of the brake block 4, the spring 10 is fixedly connected to the top end of the connecting block 9, when the brake block 4 is just contacted with a sliding rail, the elevator and the box body 1 are still in a descending state, the connecting block 9 can move upwards in the movable groove 8 due to the friction force between the brake block 4 and the sliding rail, the spring 10 is gradually compressed due to the movement of the connecting block 9, when the spring 10 is compressed, the friction force between the brake block 4 and the sliding rail is larger until the brake is finally realized, and the situation that the brake block 4 directly supports against the sliding rail to cause the elevator to stop suddenly is avoided, the safety of the elevator is improved;
the inner wall of the movable groove 8 is fixedly connected with a fixed rod 12, the top end of the connecting block 9 is provided with a movable hole 11, the outer wall of the fixed rod 12 is movably inserted and connected with the inner wall of the movable hole 11, and the spring 10 is sleeved outside the fixed rod 12 and limits the spring 10 through the fixed rod 12, so that the spring 10 cannot generate a transverse deformation phenomenon when being compressed, the spring 10 is prevented from deforming, and the service life of the spring 10 is prolonged;
limiting grooves 13 are formed in two side sides of the inner wall of the movable groove 8, limiting blocks 14 are fixedly connected to the front side and the back side of the connecting block 9, the outer walls of the two limiting blocks 14 are respectively connected with the inner walls of the two limiting grooves 13 in a sliding mode, the limiting blocks 14 are limited through the limiting grooves 13, the connecting block 9 can stably slide in the movable groove 8, and the use stability of the connecting block 9 is improved;
the second buffer mechanism is arranged on the other side of the movable block 7 and comprises a movable cavity 6 and a plurality of reeds 15, the movable cavity 6 is provided with the interior of the control block 3, the movable block 7 is connected to the inner wall of the movable cavity 6 in a sliding manner, the reeds 15 are fixedly connected to the inner wall of the movable cavity 6, one sides of the reeds 15 are attached to the other side of the movable block 7, the movable block 7 is buffered through the reeds 15, when the brake block 4 is in contact with the slide rail, the reeds 15 are extruded to enable the movable block 7 to move, buffering is further performed, the friction force between the brake block 4 and the slide rail is gradually increased, and the phenomenon of sudden stop of the elevator is avoided;
the top ends of the two control blocks 3 are respectively provided with a pull rod 16, the top end of the box body 1 is provided with two slots 17, the two pull rods 16 are respectively and movably inserted into the two slots 17, a connecting mechanism is arranged between the pull rods 16 and the control blocks 3, and when the elevator suddenly falls, the controller can lift the two pull rods 16, so that the two brake blocks 4 relatively move to clamp the slide rail;
the connecting mechanism comprises two fixing plates 18, the two fixing plates 18 are both fixedly connected to the top end of the control block 3, and the pull rod 16 is rotatably connected between the two fixing plates 18, so that the pull rod 16 can stably drive the two brake blocks 4 to move.
The working principle of the utility model is as follows:
when the elevator suddenly drops, the external controller can lift two pull rods 16, so that the two clamp blocks 2 rotate relatively, namely, the two brake blocks 4 can move relatively, when the two brake blocks 4 just contact with the sliding rail, the brake blocks 4 are extruded, the movable block 7 extrudes the reed 15 to move in the movable cavity 6, and meanwhile, under the action of friction force, the brake blocks 4 can drive the connecting blocks 9 to move upwards in the movable grooves 8 to extrude the spring 10, so that the brake blocks 4 move, the spring 15 and the spring 10 are gradually compressed, the friction force between the brake blocks 4 and the sliding rail is gradually increased, so that the elevator gradually decelerates until the elevator completely stops, and the phenomenon of sudden stop of the elevator is avoided.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.
Claims (6)
1. Elevator safety tongs with buffer structure, its characterized in that includes:
the clamp comprises a box body (1), wherein two clamp blocks (2) are symmetrically arranged in the box body (1), control blocks (3) are arranged on opposite sides of the two clamp blocks (2), and brake blocks (4) are arranged on opposite sides of the two control blocks (3);
the brake pad comprises a first buffer mechanism, wherein the first buffer mechanism consists of a connecting block (9), a movable block (7) and a spring (10), the movable block (7) is arranged inside a control block (3), a movable groove (8) is formed in one side of the movable block (7), a sliding groove (5) is formed in one side of the control block (3), one side of the connecting block (9) penetrates through the inside of the sliding groove (5) and is in sliding connection with the inner wall of the movable groove (8), the other side of the connecting block (9) is fixedly connected with one side of a brake block (4), and the spring (10) is fixedly connected to the top end of the connecting block (9);
and the second buffer mechanism is arranged on the other side of the movable block (7).
2. The elevator safety gear with the buffer structure as claimed in claim 1, wherein a fixed rod (12) is fixedly connected to an inner wall of the movable groove (8), a movable hole (11) is formed at the top end of the connecting block (9), an outer wall of the fixed rod (12) is movably inserted and connected with an inner wall of the movable hole (11), and the spring (10) is sleeved outside the fixed rod (12).
3. The elevator safety gear with the buffer structure as claimed in claim 1, wherein the movable groove (8) is provided with two side grooves (13) on both sides of the inner wall, the connecting block (9) is fixedly connected with two limiting blocks (14) on the front and back sides, and the outer walls of the two limiting blocks (14) are slidably connected with the inner walls of the two limiting grooves (13) respectively.
4. The elevator safety gear with the buffering structure according to claim 1, wherein the second buffering mechanism comprises a movable cavity (6) and a plurality of reeds (15), the movable cavity (6) is provided with the inside of the control block (3), the movable block (7) is slidably connected to the inner wall of the movable cavity (6), the reeds (15) are fixedly connected to the inner wall of the movable cavity (6), and one sides of the reeds (15) are attached to the other side of the movable block (7).
5. The elevator safety gear with the buffer structure as claimed in claim 1, wherein the top ends of the two control blocks (3) are provided with pull rods (16), the top end of the box body (1) is provided with two slots (17), the two pull rods (16) are respectively movably inserted into the two slots (17), and a connecting mechanism is arranged between the pull rods (16) and the control blocks (3).
6. Elevator safety gear with buffer structure according to claim 5, characterized in that the attachment means comprise two fixing plates (18), both fixing plates (18) being fixedly connected to the top end of the control block (3), the pull rod (16) being rotatably connected between the two fixing plates (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220261092.9U CN216737049U (en) | 2022-02-09 | 2022-02-09 | Elevator safety tongs with buffer structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220261092.9U CN216737049U (en) | 2022-02-09 | 2022-02-09 | Elevator safety tongs with buffer structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216737049U true CN216737049U (en) | 2022-06-14 |
Family
ID=81919098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220261092.9U Active CN216737049U (en) | 2022-02-09 | 2022-02-09 | Elevator safety tongs with buffer structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216737049U (en) |
-
2022
- 2022-02-09 CN CN202220261092.9U patent/CN216737049U/en active Active
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