CN215479038U

CN215479038U - Elevator safety tongs with shock-absorbing function

Info

Publication number: CN215479038U
Application number: CN202121758357.8U
Authority: CN
Inventors: 王迪; 杨才俊
Original assignee: Weilong Yicheng Intelligent Technology Jiangsu Co ltd
Current assignee: Weilong Yicheng Intelligent Technology Jiangsu Co ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2022-01-11
Anticipated expiration: 2031-07-29

Abstract

The utility model discloses an elevator safety gear with a damping function, and particularly relates to the technical field of elevator components. According to the utility model, by arranging the damping mechanism, when the safety tongs are shocked, the bottom plate moves upwards to drive the damping block to move upwards, the damping block moves upwards to push the fixed block to move upwards, the fixed block compresses the damping spring and the spring simultaneously, and the damping spring and the spring provide a buffering effect to achieve the aim of damping, so that secondary shock injury to people is avoided.

Description

Elevator safety tongs with shock-absorbing function

Technical Field

The utility model relates to the technical field of elevator components, in particular to an elevator safety gear with a damping function.

Background

Along with the construction of urbanization, the use of elevator is more and more popularized, and safety tongs are important safety parts in elevator equipment, when the elevator has serious faults such as overspeed, rope breakage and the like, the safety tongs are used for emergently stopping the elevator car and clamping the elevator car on the elevator guide rail, the safety tongs can play an important role in safety guarantee when the elevator is overspeed and out of control, and the elevator becomes an essential transportation tool for high-rise buildings just because of the development of the safety tongs.

In the prior art, when an elevator breaks down, the safety gear cannot play a good role in shock absorption, and the strengthened shock can bring secondary damage to passengers, so that the improvement is available.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned drawbacks of the prior art, embodiments of the present invention provide an elevator safety gear with a shock absorbing function to solve the above-mentioned problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: an elevator safety gear with a damping function comprises a lower panel, wherein symmetrical connecting plates are fixedly connected to two sides of the top surface of the lower panel, an upper panel is fixedly connected to the top surfaces of the two connecting plates, a partition plate is fixedly connected to one side, close to each other, of each connecting plate, the bottom surfaces of the two partition plates are respectively provided with a damping mechanism, a bottom plate is arranged on the top surface of the lower panel, each damping mechanism comprises a damping block, the bottom surface of each damping block is fixedly connected to the top surface of the corresponding bottom plate, a damping cavity is formed in each damping block, a fixed block is arranged in each damping cavity, the bottom surface of each fixed block is fixedly connected to the bottom surface of the inner wall of each damping block, a groove is formed in the top surface of each fixed block, a damping spring is arranged in each groove, the bottom end of each damping spring is fixedly connected to the fixed block, and a telescopic rod is fixedly connected to the top end of each damping spring, the top surface of telescopic link extends to the outside and the fixedly connected with connecting block of fixed block, the top of telescopic link is stretched out end circumference lateral wall and is wrapped and be equipped with the spring, the bottom surface of the top fixed connection connecting block of spring, the top surface of the bottom fixed connection fixed block of spring, the top both sides of snubber block are run through and have been seted up the sliding opening, the coaxial articulated connecting rod that has the symmetry in one side of connecting block, two the top of connecting rod extends to the outside of sliding opening respectively and is provided with the unit that resets, the bottom surface of connecting block is provided with the spacing unit of symmetry, the top surface of bottom plate is provided with the working component.

In order to carry out spacing protection to damping spring and spring, spacing unit includes spacing slide bar, the bottom surface of top surface fixed connection connecting block of spacing slide bar, spacing spout has been seted up to inner wall one side of snubber block, the one end of spacing slide bar extends to inside and sliding connection in spacing spout of spacing spout.

In order to reset the motion of two connecting rods, the reset unit includes first recess, the bottom surface of baffle is seted up to first recess, the inside of first recess is provided with the sliding block of symmetry, two be provided with reset spring between the sliding block, reset spring's both ends fixed connection respectively in the sliding block, two the bottom of sliding block all extends to the outside of first recess and hinges respectively in the top of connecting rod.

In order to maintain the balance of the first wedge block and the second wedge block, a symmetrical adjusting mechanism is arranged below the upper panel, the adjusting mechanism comprises a threaded through hole which penetrates through the two sides of the connecting plate, the connecting plate is connected with a bolt through a threaded through hole, a bearing at the tail end of the bolt is connected with a push plate, the bottom surface of the push plate is in sliding fit with the top surface of the clapboard, the other side of the push plate is provided with an elastic unit, the other side of the elastic unit is fixedly connected with a second wedge block which comprises a second inclined surface, the top end of the push plate is provided with a limiting assembly, the working assembly comprises symmetrical first wedge blocks, the two first wedge blocks respectively comprise a first inclined surface, the first inclined plane is in sliding fit with the second inclined plane, a sliding groove is formed in one side of the partition plate, and the bottom end of the second wedge block extends to the position below the partition plate through the sliding groove.

In order to buffer the second wedge block, the elastic unit comprises symmetrical arc-shaped elastic sheets, the same side of each of the two arc-shaped elastic sheets is fixedly connected with one side of the push plate, and the other side of each of the two arc-shaped elastic sheets is fixedly connected with one side of the second wedge block.

In order to carry out spacingly to the motion of push pedal, spacing subassembly includes first spacing groove, the bottom surface of top panel is seted up in first spacing groove, the top of push pedal extends to the inside and sliding connection in first spacing groove of first spacing groove.

In order to protect the surfaces of the lower panel and the upper panel, the surfaces of the lower panel and the upper panel are both provided with an anticorrosive layer.

The utility model has the technical effects and advantages that:

1. compared with the prior art, through setting up damper, when the safety tongs receives the vibrations, the bottom plate shifts up and drives the snubber block and shifts up, and the snubber block shifts up and promotes the fixed block and shifts up, and the fixed block compresses damping spring and spring simultaneously, provides cushioning effect through damping spring and spring, reaches absorbing purpose to avoid giving other people and bring secondary vibrations injury.

2. Compared with the prior art, through setting up adjustment mechanism, rotate two bolts simultaneously, the bolt is along the motion of screw thread through-hole, and the bolt promotes the push pedal and removes, and the push pedal promotes the first voussoir of second voussoir motion laminating through the elastic element to make two adjustment mechanism's first voussoir and second voussoir reach balanced state.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

FIG. 2 is a schematic view of the internal structure of the damper block according to the present invention.

Fig. 3 is a partial perspective view of the damping mechanism of the present invention.

Fig. 4 is a schematic view of the internal structure of the fixing block according to the present invention.

Fig. 5 is a schematic view of the structure of the limiting chute of the utility model.

FIG. 6 is a schematic diagram of the internal structure of the first groove according to the present invention.

FIG. 7 is a schematic cross-sectional view of a threaded through-hole of the present invention.

FIG. 8 is a schematic view of the chute of the present invention.

FIG. 9 is a schematic view of a first limiting groove structure according to the present invention.

The reference signs are: 1. a lower panel; 2. a connecting plate; 3. an upper panel; 4. a partition plate; 401. a chute; 5. a base plate; 6. a damping mechanism; 7. a damper block; 8. a damping chamber; 9. a fixed block; 10. a groove; 11. a damping spring; 12. a telescopic rod; 13. a spring; 14. connecting blocks; 15. a sliding port; 16. a connecting rod; 17. a limiting unit; 18. a limiting slide bar; 19. a limiting chute; 20. a reset unit; 21. a first groove; 22. a slider; 23. a return spring; 241. a working assembly; 24. a first wedge; 25. a first inclined plane; 26. an adjustment mechanism; 27. a threaded through hole; 28. a bolt; 29. pushing the plate; 30. an elastic unit; 31. a second wedge; 32. a second inclined plane; 33. an arc-shaped elastic sheet; 34. a limiting component; 35. a first limit groove.

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.

As shown in the attached figures 1-6, the elevator safety gear with the shock absorption function comprises a lower panel 1, two symmetrical connecting plates 2 are fixedly connected to two sides of the top surface of the lower panel 1, an upper panel 3 is fixedly connected to the top surfaces of the two connecting plates 2, a partition plate 4 is fixedly connected to one side of each of the two connecting plates 2 close to each other, a shock absorption mechanism 6 is respectively arranged on the bottom surfaces of the two partition plates 4, a bottom plate 5 is arranged on the top surface of the lower panel 1, the shock absorption mechanism 6 comprises a shock absorption block 7, the bottom surface of the shock absorption block 7 is fixedly connected to the top surface of the bottom plate 5, a shock absorption cavity 8 is formed inside the shock absorption block 7, a fixing block 9 is arranged inside the shock absorption cavity 8, the bottom surface of the fixing block 9 is fixedly connected to the bottom surface of the inner wall of the shock absorption block 7, a groove 10 is formed in the top surface of the fixing block 9, a shock absorption spring 11 is arranged inside the groove 10, and the bottom end of the shock absorption spring 11 is fixedly connected to the fixing block 9, damping spring 11's top fixedly connected with telescopic link 12, the top surface of telescopic link 12 extends to the outside and the fixedly connected with connecting block 14 of fixed block 9, the top of telescopic link 12 stretches out end circumference lateral wall package and is equipped with spring 13, the bottom surface of spring 13's top fixed connection connecting block 14, the top surface of spring 13's bottom fixed connection fixed block 9, the smooth mouth 15 has been seted up in running through to the top both sides of snubber block 7, the coaxial articulated connecting rod 16 that has the symmetry in one side of connecting block 14, the top of two connecting rods 16 extends to the outside of smooth mouth 15 respectively and is provided with reset unit 20, the bottom surface of connecting block 14 is provided with the spacing unit 17 of symmetry, the top surface of bottom plate 5 is provided with work subassembly 241.

As shown in fig. 2 and 5, the limiting unit 17 includes a limiting slide bar 18, the top surface of the limiting slide bar 18 is fixedly connected to the bottom surface of the connecting block 14, a limiting slide groove 19 is formed in one side of the inner wall of the damping block 7, one end of the limiting slide bar 18 extends to the inside of the limiting slide groove 19 and is slidably connected to the limiting slide groove 19, so that the damping spring 11 and the spring 13 are protected in a limiting manner, when the device is vibrated, the connecting block 14 drives the two limiting slide bars 18 to slide along the inside of the limiting slide groove 19 respectively, the limiting slide bar 18 is limited through the limiting slide groove 19, the connecting block 14 drives the spring 13 to stretch, and meanwhile, the connecting block 14 drives the damping spring 11 to stretch through the telescopic rod 12, so that the damping spring 11 and the spring 13 are prevented from exceeding the elastic limit when stretching and deforming due to plastic deformation.

Wherein, as shown in fig. 1, fig. 2, fig. 3 and fig. 6, reset unit 20 includes first recess 21, first recess 21 is seted up in the bottom surface of baffle 4, the inside of first recess 21 is provided with symmetrical sliding block 22, be provided with reset spring 23 between two sliding blocks 22, reset spring 23's both ends difference fixed connection in sliding block 22, two sliding block 22's bottom all extends to the outside of first recess 21 and articulates respectively in the top of connecting rod 16, so as to reset two connecting rod 16's motion, two connecting rod 16 motions promote two sliding block 22 respectively and slide along the inside of first recess 21, two sliding block 22 compress reset spring 23 simultaneously, reset spring 23 provides the reaction force and resets two sliding block 22, two sliding block 22 drive two connecting rod 16 and reset.

Wherein, as shown in fig. 1, fig. 7, fig. 8 and fig. 9, a symmetrical adjusting mechanism 26 is disposed below the upper panel 3, the adjusting mechanism 26 includes a threaded through hole 27, the threaded through hole 27 is disposed on both sides of the connecting plate 2, the connecting plate 2 is connected with a bolt 28 through the threaded through hole 27, a bearing at a distal end of the bolt 28 is connected with a push plate 29, a bottom surface of the push plate 29 is in sliding contact with a top surface of the partition plate 4, an elastic unit 30 is disposed on the other side of the push plate 29, a second wedge 31 is fixedly connected to the other side of the elastic unit 30, the second wedge 31 includes a second inclined surface 32, a limiting component 34 is disposed at a top end of the push plate 29, a working component 241 includes symmetrical first wedges 24, both first wedges 24 include first inclined surfaces 25, the first inclined surfaces 25 are in sliding contact with the second inclined surfaces 32, a sliding groove 401 is disposed at one side of the partition plate 4, a bottom end of the second wedge 31 extends to a lower portion of the partition plate 4 through the sliding groove 401, so as to adjust the balance of the first wedge block 24 and the second wedge block 31 of the two adjusting mechanisms 26, and at the same time, the two bolts 28 are rotated, the two bolts 28 respectively push the two push plates 29 to move towards each other, and the push plates 29 push the second wedge block 31 to be attached to the first wedge block 24 through the elastic units 30, so that the first wedge block 24 and the second wedge block 31 of the two adjusting mechanisms 26 are balanced.

As shown in fig. 1, the elastic unit 30 includes symmetrical arc-shaped elastic pieces 33, the same side of each of the two arc-shaped elastic pieces 33 is fixedly connected to one side of the push plate 29, the other side of each of the two arc-shaped elastic pieces 33 is fixedly connected to one side of the second wedge 31, so as to provide a buffering effect, and the arc-shaped elastic pieces 33 are compressed by the push plate 29 and then provide a buffering effect through the arc-shaped elastic pieces 33.

Wherein, as shown in fig. 1 and fig. 9, the limiting component 34 includes a first limiting groove 35, the first limiting groove 35 is opened on the bottom surface of the upper panel 3, the top end of the push plate 29 extends to the inside of the first limiting groove 35 and is connected to the first limiting groove 35 in a sliding manner, so as to limit the movement of the push plate 29, the push plate 29 slides along the inside of the first limiting groove 35 when moving, and the movement of the push plate 29 is limited through the first limiting groove 35, thereby avoiding the deviation of the push plate 29 when moving.

As shown in fig. 1, the surfaces of the lower panel 1 and the upper panel 3 are both provided with an anticorrosive layer so as to protect the surfaces of the lower panel 1 and the upper panel 3, and the surfaces of the lower panel 1 and the upper panel 3 are provided with the anticorrosive layers so as to prevent the lower panel 1 and the upper panel 3 from being exposed outside for a long time and causing surface corrosion.

The working principle of the utility model is as follows: when the elevator runs and breaks down, the safety gear is vibrated, the vibration is transmitted to the bottom plate 5, the bottom plate 5 moves upwards, the bottom plate 5 drives the damping block 7 to move upwards, the damping block 7 pushes the fixing block 9 to move upwards, the fixing block 9 compresses the damping spring 11 to move along the inner part of the groove 10 to push the telescopic rod 12 to move, meanwhile, the fixing block 9 moves to compress the spring 13, the damping effect is provided by the damping spring 11 and the spring 13, the telescopic rod 12 pushes the connecting block 14 to move, the connecting block 14 drives the two connecting rods 16 to move, the two connecting rods 16 push the two sliding blocks 22 to slide along the inner part of the first groove 21, the two sliding blocks 22 simultaneously compress the reset spring 23, the reset spring 23 provides a counterforce to reset the two sliding blocks 22, the two sliding blocks 22 drive the two connecting rods 16 to reset, the damping effect is provided by the damping spring 11 and the spring 13, and accordingly, the aim of damping is achieved, thereby avoiding bringing secondary vibration damage to people.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the utility model, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the utility model can be combined with each other without conflict;

and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims

1. The utility model provides an elevator safety tongs with shock-absorbing function, includes panel (1) down, its characterized in that: the damping device is characterized in that symmetrical connecting plates (2) are fixedly connected to two sides of the top surface of the lower panel (1), the top surfaces of the two connecting plates (2) are fixedly connected with an upper panel (3), one sides of the two connecting plates (2) close to each other are respectively fixedly connected with a partition plate (4), the bottom surfaces of the two partition plates (4) are respectively provided with a damping mechanism (6), the top surface of the lower panel (1) is provided with a bottom plate (5), the damping mechanism (6) comprises a damping block (7), the bottom surface of the damping block (7) is fixedly connected with the top surface of the bottom plate (5), a damping cavity (8) is formed in the damping block (7), a fixed block (9) is arranged in the damping cavity (8), the bottom surface of the fixed block (9) is fixedly connected with the bottom surface of the inner wall of the damping block (7), and a groove (10) is formed in the top surface of the fixed block (9), the shock absorption device is characterized in that a shock absorption spring (11) is arranged inside the groove (10), the bottom end of the shock absorption spring (11) is fixedly connected with a fixed block (9), a telescopic rod (12) is fixedly connected to the top end of the shock absorption spring (11), the top surface of the telescopic rod (12) extends to the outside of the fixed block (9) and is fixedly connected with a connecting block (14), a spring (13) is wrapped on the side wall of the periphery of the extending end of the top of the telescopic rod (12), the bottom surface of the connecting block (14) is fixedly connected to the top end of the spring (13), the top surface of the fixed block (9) is fixedly connected to the bottom end of the spring (13), sliding openings (15) are formed in the two sides of the top end of the shock absorption block (7) in a penetrating mode, symmetrical connecting rods (16) are coaxially hinged to one side of the connecting block (14), the top ends of the two connecting rods (16) extend to the outside of the sliding openings (15) respectively and are provided with a reset unit (20), the bottom surface of connecting block (14) is provided with symmetrical spacing unit (17), the top surface of bottom plate (5) is provided with work component (241).

2. The elevator safety gear with the shock absorption function according to claim 1, characterized in that: spacing unit (17) include spacing slide bar (18), the bottom surface of the top surface fixed connection connecting block (14) of spacing slide bar (18), spacing spout (19) have been seted up to inner wall one side of snubber block (7), the inside and sliding connection in spacing spout (19) that the one end of spacing slide bar (18) extended to spacing spout (19).

3. The elevator safety gear with the shock absorption function according to claim 1, characterized in that: reset unit (20) include first recess (21), the bottom surface of baffle (4) is seted up in first recess (21), the inside of first recess (21) is provided with sliding block (22) of symmetry, two be provided with reset spring (23) between sliding block (22), fixed connection respectively in sliding block (22) at the both ends of reset spring (23), two the bottom of sliding block (22) all extends to the outside of first recess (21) and articulates respectively in the top of connecting rod (16).

4. The elevator safety gear with the shock absorption function according to claim 1, characterized in that: the lower part of the upper panel (3) is provided with symmetrical adjusting mechanisms (26), each adjusting mechanism (26) comprises a threaded through hole (27), each threaded through hole (27) penetrates through the two sides of the corresponding connecting plate (2), each connecting plate (2) is in threaded connection with a bolt (28) through each threaded through hole (27), a tail end bearing of each bolt (28) is connected with a push plate (29), the bottom surface of each push plate (29) is in sliding fit with the top surface of the corresponding partition plate (4), the other side of each push plate (29) is provided with an elastic unit (30), the other side of each elastic unit (30) is fixedly connected with a second wedge block (31), each second wedge block (31) comprises a second inclined surface (32), the top end of each push plate (29) is provided with a limiting component (34), each working component (241) comprises symmetrical first wedge blocks (24), and each of the two first wedge blocks (24) comprises a first inclined surface (25), the first inclined surface (25) is in sliding fit with the second inclined surface (32), a sliding groove (401) is formed in one side of the partition plate (4), and the bottom end of the second wedge block (31) extends to the lower portion of the partition plate (4) through the sliding groove (401).

5. The elevator safety gear with the shock absorption function according to claim 4, characterized in that: the elastic unit (30) comprises symmetrical arc-shaped elastic sheets (33), the same side of each of the two arc-shaped elastic sheets (33) is fixedly connected with one side of the push plate (29), and the other side of each of the two arc-shaped elastic sheets (33) is fixedly connected with one side of the second wedge block (31).

6. The elevator safety gear with the shock absorption function according to claim 4, characterized in that: spacing subassembly (34) include first spacing groove (35), the bottom surface of top panel (3) is seted up in first spacing groove (35), the top of push pedal (29) extends to the inside and sliding connection in first spacing groove (35) of first spacing groove (35).

7. The elevator safety gear with the shock absorption function according to claim 1, characterized in that: and the surfaces of the lower panel (1) and the upper panel (3) are both provided with an anticorrosive layer.