Safe locking device for elevator car

Abstract

The utility model discloses an elevator car safety locking device which comprises a locking main body, two buffering devices are arranged in the locking main body, two connecting assemblies are further arranged in the locking main body, a fixing set is arranged on one sides of the two connecting assemblies, one side of a clamping block extends into a sliding groove formed in the locking main body, and the other side of the clamping block extends into the sliding groove. The end, close to the sliding groove, of the clamping block is fixedly connected with one end of a first spring, the end, away from the clamping block, of the first spring is fixedly connected with one side of the interior of the sliding groove, the bottom end of the reset set is fixedly connected with the upper end of the clamping block, the end, away from the first spring, of the clamping block extends into the fixing set, and one side of the fixing set is connected with one side of buffering equipment. The fixing set is connected with the clamping block through the first bolt, the clamping block is connected with the locking body through the second bolt, the second friction block can be separated conveniently and maintained and replaced conveniently, the whole device is simple in structure and easy to operate, and the second friction block can be installed and maintained conveniently and rapidly.

Description

TECHNICAL FIELD

[0001] The utility model belongs to elevator car locking equipment field, concretely is a kind of elevator car safety locking device. BACKGROUND

[0002] Elevator car safety locking device is the safety protection device of elevator, when the speed of elevator exceeds the limit (or rated) speed set by elevator speed limiter, or in the case of broken and slack of suspension rope, elevator car safety locking device can be under the operation of speed limiter Emergency stop and clamp in guide rail, speed limiter wire rope is driven by elevator car safety locking device, speed limiter wheel rotation speed is consistent with car running speed.When the car running speed reaches or exceeds certain limit, speed limiter will act, and through a series of mechanical linkage, safety tong acts, and clamps the car in guide rail.

[0003] In the existing elevator car safety locking device, it usually includes fixed frame, friction block one, friction block two and buffer device, wherein the friction block one and the friction block two are oppositely arranged, the pushing block is arranged between the friction block one and the friction block two, the friction block one is fixedly connected with one side of the fixed frame, specifically, the inner side wall of the friction block one and the fixed frame is fixedly connected by bolts, and one side of the friction block two is connected with the buffer device, the buffer device usually includes sliding column one, sliding column two and spring, the sliding column one extends into the inside of the sliding column two, and the spring is arranged in the inside of the sliding column one and the sliding column two, when the friction block two moves, the outer side wall of the sliding column one will rub the inner wall of the sliding column two, and the spring will be compressed, so as to buffer the movement amplitude of the friction block two, but in the process of using the existing device, the friction block two and the sliding column one are fixedly arranged, so that they are difficult to separate, and in the process of long-time use, friction occurs between the friction block two and the pushing block, the surface of the friction block two will gradually become smooth, so that the effect of the friction block two becomes poor, and since the friction block two and the sliding column one are fixedly arranged, the maintenance process is more troublesome. UTILITY MODEL CONTENTS

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides an elevator car safety locking device, which effectively solves the problem that the effect of the friction block two becomes poor, and since the friction block two and the sliding column one are fixedly arranged, the maintenance process is more troublesome.

[0005] In order to achieve the above purpose, the utility model provides the following technical scheme: an elevator car safety locking device, comprising a locking main body, two buffer devices are arranged in the inside of the locking main body, two connecting assemblies are further arranged in the inside of the locking main body, a fixed group is arranged on one side of the two connecting assemblies, and the locking main body is connected with the fixed group through the two connecting assemblies.

[0006] The connecting assembly comprises a clamping block, a spring one, a bolt one, a bolt two and a reset group, one side of the clamping block extends into a sliding groove arranged in the locking main body, one end of the clamping block close to the sliding groove is fixedly connected with one end of the spring one, the end of the spring one away from the clamping block is fixedly connected with the inner side of the sliding groove, the bottom end of the reset group is fixedly connected with the upper end of the clamping block, the reset group is used for resetting the position of the clamping block, the edge of the clamping block away from the end of the spring one is arranged in an arc shape, the clamping block away from the end of the spring one extends into the inside of the fixing group, one side of the fixing group is connected with one side of the buffer device, the fixing group is connected with the clamping block through the bolt one, and the clamping block is connected with the locking main body through the bolt two.

[0007] Preferably, the locking main body comprises a fixed frame, a friction block one and a friction block two, the friction block one is fixedly connected with one side of the fixed frame, one side of the friction block two is provided with a mounting groove, one side of the fixing group extends into the inside of the mounting groove, one side of the fixed frame is further provided with a sliding groove, and the friction block one and the friction block two are provided with a pushing block.

[0008] Preferably, the fixing group comprises a fixed block and a connecting block, one side of the fixed block is fixedly connected with one side of the connecting block, opposite sides of the fixed block are both provided with clamping grooves, two clamping blocks extend into the two clamping grooves respectively, and one side of the connecting block away from the fixed block is connected with the buffer device.

[0009] Preferably, the buffer device comprises a sliding column one, a sliding column two and an elastic piece, one end of the sliding column one is fixedly connected with one side of the connecting block, the end of the sliding column one away from the connecting block extends into the inside of the sliding column two, the end of the sliding column two away from the sliding column one extends into a mounting hole arranged in the inside of the fixed frame, the elastic piece is arranged on the outer side wall of the sliding column one and the sliding column two, one end of the elastic piece is fixedly connected with one side of the connecting block, and the end of the elastic piece away from the connecting block is fixedly connected with the inner side of the fixed frame.

[0010] Preferably, the reset group comprises a reset block and a reset rod, the bottom end of the reset rod is fixedly connected with the upper end of the clamping block, and the reset rod is movably arranged in a reset groove arranged on the friction block two; and the upper end of the reset rod is fixedly connected with the bottom end of the reset block.

[0011] Preferably, the elastic piece comprises a spring two, one end of the spring two is fixedly connected with one side of the connecting block, and the end of the spring two away from the connecting block is fixedly connected with the inner side of the fixed frame.

[0012] Preferably, opposite ends of the pushing block are fixedly connected with connecting rings.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] By setting the clamping block, in use, the bolt one and the bolt two can be disassembled, and then the position of the clamping block is adjusted by the reset group, so that the clamping block is separated from the position of the fixing group, at this time, the separation between the fixing group and the locking main body is completed, so that the friction block two is separated, and the maintenance and replacement are facilitated, and when the friction block two is installed, the one side of the fixing group is extended to the inside of the installation groove arranged on one side of the friction block two, in the process, the side of the clamping block arranged in the arc shape is in contact with the side of the fixing group, the clamping block is extruded into the inside of the friction block two by the fixing group, in the process, the movement of the clamping block compresses the spring one, until the friction block two is completely entered into the inside of the fixing frame, at this time, the clamping block is entered into the inside of the fixing group, then the bolt one and the bolt two are connected with the fixing group and the friction block two, the fixation of the friction block two is completed, the whole equipment structure is simple, the operation is simple, the installation and maintenance of the friction block two are convenient and fast. BRIEF DESCRIPTION OF DRAWINGS

[0015] The accompanying drawings are included to provide a further understanding of the present application, and constitute a part of the specification, and are used together with the embodiments of the present application to explain the present application, and do not constitute a limitation on the present application.

[0016] In the drawings:

[0017] Figure 1 It is a structure schematic view of the elevator car safety locking device of the present application;

[0018] Figure 2 It is a structure schematic view of the present application Figure 1 ;

[0019] Figure 3 It is a structure schematic view of the friction block two of the present application;

[0020] Figure 4 It is a structure schematic view of the buffer equipment of the present application;

[0021] In the drawings: 1, friction block one; 2, friction block two; 3, connecting block; 4, extrusion block; 5, fixed frame; 6, spring two; 7, fixed block; 8, clamping block; 9, bolt one; 10, bolt two; 11, mounting hole; 12, reset block; 13, spring one; 14, reset rod; 15, sliding column one; 16, sliding column two; 17, connecting ring. DETAILED DESCRIPTION

[0022] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments; based on the embodiments in the present application, all the other embodiments obtained by the person of ordinary skill in the art without creative labor fall within the protection scope of the present application.

[0023] By Figures 1-4 The utility model discloses a locking main body, two buffering devices are arranged in the locking main body, two connecting assemblies are further arranged in the locking main body, a fixed group is arranged on one side of the two connecting assemblies, and the locking main body is connected with the fixed group through the two connecting assemblies.

[0024] The connecting assembly comprises a clamping block 8, a spring 13, a bolt 9, a bolt 10 and a reset group, one side of the clamping block 8 extends into a sliding groove arranged in the locking main body, one end of the clamping block 8 close to the sliding groove is fixedly connected with one end of the spring 13, the end of the spring 13 away from the clamping block 8 is fixedly connected with the inside of the sliding groove on one side, the bottom end of the reset group is fixedly connected with the upper end of the clamping block 8, the reset group is used for resetting the position of the clamping block 8, the edge of the end of the clamping block 8 away from the spring 13 is arranged in a circular arc shape, the end of the clamping block 8 away from the spring 13 extends into the inside of the fixed group, one side of the fixed group is connected with one side of the buffering device, the fixed group is connected with the clamping block 8 through the bolt 9, the clamping block 8 is connected with the locking main body through the bolt 10, the locking main body comprises a fixed frame 5, a friction block 1 and a friction block 2, the friction block 1 is fixedly connected with one side of the fixed frame 5, one side of the friction block 2 is provided with a mounting groove, one side of the fixed group extends into the inside of the mounting groove, one side of the fixed frame 5 is further provided with a sliding groove, and a pushing block 4 is arranged between the friction block 1 and the friction block 2; the fixed group comprises a fixed block 7 and a connecting block 3, one side of the fixed block 7 is fixedly connected with one side of the connecting block 3, opposite sides of the fixed block 7 are both provided with clamping grooves, the two clamping blocks 8 extend into the two clamping grooves respectively, and one side of the connecting block 3 away from the fixed block 7 is connected with the buffering device.

[0025] Specifically, by setting the clamping block 8, during use, the bolt one 9 and the bolt two 10 can be disassembled, and then the position of the clamping block 8 is adjusted by the reset group, so that the clamping block 8 is separated from the position of the connecting block 3, at this time, the separation between the connecting block 3 and the locking main body is completed, so that the friction block two 2 is separated, and the maintenance and replacement are facilitated. When the friction block two 2 is installed, one side of the connecting block 3 can be extended into the installation slot arranged on one side of the friction block two 2. In this process, the side of the clamping block 8 arranged in a circular arc is in contact with one side of the connecting block 3. The clamping block 8 is extruded by the connecting block 3, so that the clamping block 8 is pushed into the friction block two 2. In this process, the movement of the clamping block 8 will compress the spring one 13, until the friction block two 2 is completely entered into the inside of the fixed frame 5. At this time, the clamping block 8 enters the inside of the connecting block 3, and then the bolt one 9 and the bolt two 10 are connected with the connecting block 3 and the friction block two 2, and the fixation of the friction block two 2 is completed. The whole equipment structure is simple and easy to operate, so that the installation and maintenance of the friction block two 2 are convenient and fast.

[0026] The buffer device comprises a sliding column one 15, a sliding column two 16 and an elastic member. One end of the sliding column one 15 is fixedly connected with one side of the connecting block 3. The end of the sliding column one 15 away from the connecting block 3 extends into the inside of the sliding column two 16. The end of the sliding column two 16 away from the sliding column one 15 extends into the installation hole 11 arranged in the inside of the fixed frame 5. The elastic member is arranged on the outer side wall of the sliding column one 15 and the sliding column two 16. One end of the elastic member is fixedly connected with one side of the connecting block 3. The end of the elastic member away from the connecting block 3 is fixedly connected with one side of the inside of the fixed frame 5. The elastic member comprises a spring two 6. One end of the spring two 6 is fixedly connected with one side of the connecting block 3. The end of the spring two 6 away from the connecting block 3 is fixedly connected with one side of the inside of the fixed frame 5. The opposite end of the push block 4 is fixedly connected with a connecting ring 17. The connecting ring 17 is arranged to connect external equipment.

[0027] In the process of movement of the friction block two 2, the outer side wall of the dynamic column one rubs the inner wall of the sliding column two 16, and the spring is compressed, so that the movement amplitude of the friction block two 2 is buffered.

[0028] The reset group comprises a reset block 12 and a reset rod 14. The bottom end of the reset rod 14 is fixedly connected with the upper end of the clamping block 8. The reset rod 14 is movably arranged in the reset slot arranged on the friction block two 2. The upper end of the reset rod 14 is fixedly connected with the bottom end of the reset block 12. By arranging the reset rod 14 and the reset block 12, the position of the clamping block 8 can be controlled by adjusting the position of the reset rod 14, so that the position of the clamping block 8 is more conveniently controlled.

[0029] Working principle: when working, the bolt one 9 and the bolt two 10 can be disassembled, then the position of the clamping block 8 is adjusted by the reset group, so that the clamping block 8 is separated from the position of the connecting block 3, at this time, the separation between the connecting block 3 and the locking main body is completed, so that the friction block two 2 is separated, and the maintenance and replacement are convenient;

[0030] When the friction block two 2 is installed, the side of the connecting block 3 can be extended to the inside of the installation groove arranged on one side of the friction block two 2, in the process, the side of the clamping block 8 arranged in the arc shape is in contact with the side of the connecting block 3, the clamping block 8 is extruded into the inside of the friction block two 2 by the extrusion of the connecting block 3, in the process, the movement of the clamping block 8 will compress the spring one 13, until the friction block two 2 is completely entered into the inside of the fixed frame 5, at this time, the clamping block 8 is entered into the inside of the connecting block 3, then the bolt one 9 and the bolt two 10 are connected with the connecting block 3 and the friction block two 2, the fixation of the friction block two 2 is completed, the whole equipment structure is simple, the operation is simple, so that the installation and maintenance of the friction block two 2 are convenient and fast.

[0031] The above examples only illustrate the technical concept and characteristics of the utility model, the purpose is to enable people familiar with the technology to understand the content of the utility model and to implement it, and it cannot limit the protection scope of the utility model, any equivalent changes or modifications according to the spirit and essence of the utility model should be covered in the protection scope of the utility model.

Claims

1. An elevator car safety locking device comprising a locking body, characterized by: The locking main body is internally provided with two buffering devices, and the inner side of the locking main body is further provided with two connecting assemblies, one side of the two connecting assemblies is provided with a fixing group, and the locking main body is connected with the fixing group through the two connecting assemblies; The connecting assembly comprises a clamping block (8), a spring (13), a bolt (9), a bolt (10) and a reset group, one side of the clamping block (8) extends into the sliding groove arranged in the locking main body, one end of the clamping block (8) close to the sliding groove is fixedly connected with one end of the spring (13), the end of the spring (13) away from the clamping block (8) is fixedly connected with the inner side of the sliding groove, the bottom end of the reset group is fixedly connected with the upper end of the clamping block (8), the reset group is used for resetting the position of the clamping block (8), the edge of the end of the clamping block (8) away from the spring (13) is arranged in a circular arc shape, the end of the clamping block (8) away from the spring (13) extends into the inner side of the fixing group, one side of the fixing group is connected with one side of the buffering device, the fixing group is connected with the clamping block (8) through the bolt (9), and the clamping block (8) is connected with the locking main body through the bolt (10).

2. An elevator car safety locking arrangement according to claim 1, characterized in that: The locking main body comprises a fixed frame (5), a friction block (1) and a friction block (2), the friction block (1) is fixedly connected with one side of the fixed frame (5), one side of the friction block (2) is provided with a mounting groove, one side of the fixing group extends into the inner side of the mounting groove, and one side of the fixed frame (5) is further provided with a sliding groove.

3. An elevator car safety locking arrangement according to claim 2, characterized in that: The fixing group comprises a fixed block (7) and a connecting block (3), one side of the fixed block (7) is fixedly connected with one side of the connecting block (3), and opposite sides of the fixed block (7) are provided with clamping grooves.

4. An elevator car safety locking arrangement according to claim 3, characterized in that: The buffering device comprises a sliding column (15), a sliding column (16) and an elastic member, one end of the sliding column (15) is fixedly connected with one side of the connecting block (3), the end of the sliding column (15) away from the connecting block (3) extends into the inner side of the sliding column (16), the end of the sliding column (16) away from the sliding column (15) extends into the mounting hole (11) arranged in the inner side of the fixed frame (5), and the elastic member is arranged on the outer side walls of the sliding column (15) and the sliding column (16).

5. An elevator car safety locking arrangement according to claim 4, characterized in that: The reset group comprises a reset block (12) and a reset rod (14), the bottom end of the reset rod (14) is fixedly connected with the upper end of the clamping block (8), and the reset rod (14) is movably arranged in the reset groove arranged on the friction block (2).

6. An elevator car safety locking arrangement according to claim 5, characterized in that: The elastic member comprises a spring (6), one end of the spring (6) is fixedly connected with one side of the connecting block (3), and the end of the spring (6) away from the connecting block (3) is fixedly connected with the inner side of the fixed frame (5).

7. An elevator car safety locking arrangement according to claim 6, characterized in that: Opposite ends of the pushing block (4) are fixedly connected with connecting rings (17).

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