CN220787755U - Door change gear for elevator - Google Patents

Abstract

The utility model discloses a door change gear for a lifting elevator, which belongs to the field of door change gears, and comprises an inner ring and an outer ring body which is detachably arranged on the outer peripheral side of the inner ring, wherein the outer ring body consists of a plurality of middle support pieces, the plurality of middle support pieces are detachably arranged on the outer peripheral side of the inner ring in an annular array, the outer sides of the plurality of middle support pieces are fixedly connected with a rim body, a plurality of second nail holes are formed in the outer peripheral side of the inner ring, a nail penetrating hole is formed in a combined body of the middle support piece and the rim body, a second screw is arranged in the nail penetrating hole, the threaded end of the second screw penetrates through the middle support piece and is in threaded connection with the second nail hole, and a connecting plate is fixedly connected to the side surface of the middle support piece.

Description

Door change gear for elevator

Technical Field

The utility model relates to the field of door change gears, in particular to a door change gear for a lifting elevator.

Background

The elevator door change gear is mainly used for guiding the opening and closing actions of the elevator door of the elevator, realizes the opening or closing of the elevator door through rolling, is easy to damage in the rolling process, and therefore, how to reduce the use cost of the door change gear is a development direction with prospect;

for example, chinese patent publication No. CN207811029U discloses an elevator door change gear, which includes a hub, a bearing disposed on the inner side of the hub, and a polyurethane outer ring sleeved on the outer side of the hub, and the corresponding polyurethane outer ring is replaced when the door change gear is damaged and worn;

however, since the polyurethane outer ring is of an integral structure, the polyurethane outer ring needs to be integrally replaced when damaged, and the damage of part of the polyurethane outer ring is concentrated at part of the polyurethane outer ring, when the whole outer ring is replaced, the rest undamaged parts generate great waste.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the utility model aims to provide the door change gear for the elevator, which can be used for completing maintenance by replacing the corresponding damaged position when the outer ring body of the door change gear is damaged at any position, so that the material replaced during the maintenance of the door change gear is greatly reduced, and the maintenance and replacement cost is reduced.

2. Technical proposal

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides a lift is door change gear for elevator, includes inner circle and detachable outer lane body of setting on the inner circle periphery side, the outer lane body comprises a plurality of middle support piece, and is a plurality of middle support piece is annular array detachable installs on the periphery side of inner circle, a plurality of the equal fixedly connected with rim body in the outside of middle support piece.

Further, a plurality of second nail holes are formed in the outer peripheral side of the inner ring, a nail penetrating hole is formed in the combination of the middle support piece and the side ring body, a second screw is mounted in the nail penetrating hole, and the threaded end of the second screw penetrates through the middle support piece to be in threaded connection with the inside of the second nail hole.

Further, the side fixedly connected with connecting plate of middle support piece, the through-hole has been seted up on the connecting plate, a plurality of first nail holes opposite with the through-hole have been seted up on the side of inner circle, threaded connection has the first screw that runs through the through-hole and connect connecting plate and inner circle on the first nail hole.

Furthermore, a clamping groove is formed in the side face of the inner ring, and a clamping strip capable of being clamped in the clamping groove is fixedly connected to the connecting plate.

Further, a plurality of groups of rotation stopping grooves are formed in the peripheral side face of the inner ring, and rotation stopping strips which are clamped with the rotation stopping grooves are fixedly connected to the side face, close to the inner ring, of the middle supporting piece.

Further, the position of one end of the middle supporting piece far away from the inner ring is fixedly connected with an arc extension bar.

Further, the other end of the middle support piece is provided with a clearance groove matched with the arc extension strip, and the arc extension strip of the middle support piece is lapped on the clearance groove of the adjacent middle support piece.

3. Advantageous effects

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

according to the scheme, the outer ring body consisting of the plurality of middle supporting pieces and the side ring body can be replaced at the corresponding damaged position when the outer ring body is damaged at any position, so that maintenance can be completed, the material replaced when the door change wheel is maintained is greatly reduced, and maintenance and replacement costs are reduced.

Drawings

FIG. 1 is a schematic diagram of the structure of an embodiment 2 of the present utility model;

FIG. 2 is an exploded view of the partial structure of FIG. 1 in accordance with the present utility model;

FIG. 3 is a schematic view of the partial structure of FIG. 1 according to the present utility model;

FIG. 4 is a schematic structural view of embodiment 3 of the present utility model;

fig. 5 is a partial cutaway view of fig. 2 in accordance with the present utility model.

The reference numerals in the figures illustrate:

100. an inner ring; 101. a rotation stopping groove; 102. a clamping groove; 103. a first nail hole; 104. a second nail hole; 200. a middle support; 201. rotation stopping device a strip; 202. an arc-shaped extension bar; 203. a clearance groove; 204. a connecting plate; 205. clamping strips; 206. a through hole; 207. a first screw; 300. a rim body; 301. nail penetrating holes; 302. and a second screw.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

Example 1:

referring to fig. 1 to 5, a door change gear for a lift, which includes an inner ring 100 and a detachable outer ring body disposed on the outer circumferential side of the inner ring 100, wherein the outer ring body is composed of a plurality of middle supporting members 200, the plurality of middle supporting members 200 are detachably mounted on the outer circumferential side of the inner ring 100 in an annular array, the outer sides of the plurality of middle supporting members 200 are fixedly connected with a rim body 300, the plurality of rim bodies 300 are combined into an annular structure, at this time, the inner ring 100, the middle supporting members 200 and the rim body 300 can rotate, when the rim body 300 is damaged due to use, the corresponding rim body 300 can be replaced to complete maintenance, so that the material for replacing the door change gear can be greatly reduced, and the maintenance and replacement cost is reduced.

Example 2:

referring to fig. 1 and fig. 4-5, a connection manner of the inner ring 100 and the middle support member 200 is disclosed herein, specifically, a plurality of second nail holes 104 are formed on the outer peripheral side of the inner ring 100, a nail penetrating hole 301 is formed on the combination of the middle support member 200 and the side ring body 300, a second screw 302 is installed in the nail penetrating hole 301, and the threaded end of the second screw 302 penetrates through the middle support member 200 to be in threaded connection with the inside of the second nail hole 104, so that connection of the inner ring 100 and the middle support member 200 can be completed through the second screw 302, connection is stable, the structure is simple, and the installation and disassembly difficulties are low.

Example 3:

referring to fig. 1-3 and fig. 5, a connection manner of the inner ring 100 and the middle support member 200 is disclosed herein, specifically, a connection plate 204 is fixedly connected to a side surface of the middle support member 200, a through hole 206 is formed on the connection plate 204, a plurality of first nail holes 103 opposite to the through hole 206 are formed on the side surface of the inner ring 100, a first screw 207 penetrating through the through hole 206 is connected to the first nail holes 103 to connect the connection plate 204 and the inner ring 100, after a tip of the first screw 207 penetrates through the through hole 206 and enters the inside of the first nail holes 103, the connection plate 204 can be pressed and locked by the first screw 207 to complete the fixing of the middle support member 200, after the second screw 302 is detached, the middle support member 200 can be directly removed to complete the detachment, and no hole is required to be formed on the outer periphery side of the rim body 300 in the embodiment relative to the connection of the second nail holes 104, and a bumping sense does not occur in the rotation process.

In addition, in order to reinforce the connection of the connecting plate 204, the clamping groove 102 is formed in the side face of the inner ring 100, the clamping strip 205 which can be clamped in the clamping groove 102 is fixedly connected to the connecting plate 204, the middle supporting piece 200 can be fixed through the connection of the clamping groove 102 and the clamping strip 205, and the middle supporting piece 200 can be temporarily fixed when the clamping strip 205 is clamped in the clamping groove 102, so that a user does not need to continuously hold the middle supporting piece 200 when disassembling and assembling the middle supporting piece 200, and the disassembling and assembling difficulty is reduced.

Example 4:

referring to fig. 2-3, the present embodiment further discloses, based on the above embodiment, connection between the inner ring 100 and the middle support member 200 and connection between two adjacent middle support members 200, specifically, a plurality of groups of rotation stopping grooves 101 are formed on a circumferential side surface of the inner ring 100, rotation stopping strips 201 that are clamped with the rotation stopping grooves 101 are fixedly connected to a side surface of the middle support member 200, which is close to the inner ring 100, and rotational displacement between the inner ring 100 and the middle support member 200 can be reduced through the arrangement of the rotation stopping strips 201 and the rotation stopping grooves 101.

Meanwhile, the arc extension strips 202 are fixedly connected to the positions, away from the inner ring 100, of one end of the middle support piece 200, gaps, away from the inner ring 100, of two adjacent middle support pieces 200 are filled through the arc extension strips 202, so that the use requirements of the middle support piece 200 can be met, meanwhile, gaps can be reserved between the two adjacent middle support pieces 200, and the middle support pieces 200 can be conveniently disassembled and assembled.

The other end of the middle support member 200 is provided with a clearance groove 203 matched with the arc-shaped extension strip 202, and the arc-shaped extension strip 202 of the middle support member 200 is lapped on the clearance groove 203 of the adjacent middle support member 200, so that the arc-shaped extension strip 202 can be fixed at two points, and the stability of the arc-shaped extension strip is improved.

The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims (7)

1. The utility model provides a lift is door change gear for elevator, includes inner circle (100) and detachable outer lane body that sets up on inner circle (100) periphery side, its characterized in that: the outer ring body comprises a plurality of middle supporting pieces (200), the middle supporting pieces (200) are detachably arranged on the outer peripheral side of the inner ring (100) in an annular array, and the outer sides of the middle supporting pieces (200) are fixedly connected with edge ring bodies (300).

2. The door change gear for a lift elevator according to claim 1, wherein: a plurality of second nail holes (104) are formed in the outer peripheral side of the inner ring (100), a nail penetrating hole (301) is formed in the combination of the middle support (200) and the side ring body (300), a second screw (302) is mounted in the nail penetrating hole (301), and the threaded end of the second screw (302) penetrates through the middle support (200) to be in threaded connection with the inside of the second nail hole (104).

3. The door change gear for a lift elevator according to claim 1, wherein: the side fixedly connected with connecting plate (204) of middle support piece (200), through-hole (206) have been seted up on connecting plate (204), a plurality of first nail holes (103) opposite with through-hole (206) have been seted up on the side of inner circle (100), threaded connection has first screw (207) that run through-hole (206) are connected connecting plate (204) and inner circle (100) on first nail hole (103).

4. A door change gear for a lift elevator as claimed in claim 3, wherein: the side of inner circle (100) has seted up draw-in groove (102), but fixedly connected with joint is in draw-in groove (102) inside draw-in bar (205) on connecting plate (204).

5. The door change gear for a lift elevator according to any one of claims 1 to 4, characterized in that: a plurality of groups of rotation stopping grooves (101) are formed in the peripheral side face of the inner ring (100), and rotation stopping strips (201) clamped with the rotation stopping grooves (101) are fixedly connected to the side face, close to the inner ring (100), of the middle supporting piece (200).

6. The door change gear for a lift elevator according to any one of claims 1 to 4, characterized in that: an arc-shaped extension strip (202) is fixedly connected to the position, away from the inner ring (100), of one end of the middle support piece (200).

7. The door change gear for a lift elevator according to claim 6, wherein: the other end of the middle support piece (200) is provided with a clearance groove (203) matched with the arc-shaped extension strip (202), and the arc-shaped extension strip (202) of the middle support piece (200) is lapped on the clearance groove (203) of the adjacent middle support piece (200).