CN212454083U

CN212454083U - Transmission structure for lifter

Info

Publication number: CN212454083U
Application number: CN202020444366.9U
Authority: CN
Inventors: 赵娟红; 房建宏; 黄洁
Original assignee: Zhejiang Kefon Auto Electirc Co ltd
Current assignee: Zhejiang Kefon Auto Electirc Co ltd
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2021-02-02
Anticipated expiration: 2030-03-31

Abstract

A transmission structure for a lifter comprises a long rotating arm, two short rotating arms and a connecting piece, wherein the long rotating arm is connected with the two short rotating arms in a fork arm type, the connecting piece comprises a spline body and a round jacking sheet fixedly connected with one end of the spline body, the spline body comprises a first end part and a second end part, the first end part and the second end part are respectively in transmission fit with the internal spline grooves arranged at the end parts of the two short rotating arms, the round top position sheet is integrally and fixedly connected with the first end part of the spline body, the round top position sheet and one short rotating arm side edge form limit fit, thereby preventing the short tumbler from separating from the spline body, the other short tumbler and the second end part of the spline body form limit fit, the round shaft piece is movably sleeved in the middle of the spline body, the round shaft piece and the spline body are coaxially arranged, and the round shaft piece is movably arranged in a through hole formed in the middle of the long rotating arm.

Description

Transmission structure for lifter

Technical Field

The utility model relates to an automobile parts field, concretely relates to transmission structure that riser was used.

Background

With the development of automobile manufacturing industry, automobile factories promise certain warranty years for consumers. This requires that the vehicle components reach a specified service life. Because the automobile glass lifter has the non-maintainability, the automobile glass lifter has high requirements on the stability and the service life of the glass lifter, and some traditional mechanism modes or processes cannot meet the requirements of an automobile factory on the accessories.

In the prior art, the door glass and the lifting mechanism are connected by adopting a screw hole, and an important defect exists in the prior art: the strength of the connection between the door glass and the lifting mechanism is not enough, so that the door glass is easy to loosen.

Take a fan-shaped tooth type glass lifter of an automobile door as an example. In the prior art, a connecting structure of a lifting arm and a balance arm adopts a spot welding mode. The process method comprises the following steps: in the spot welding position, several salient points are punched out by a stamping process and then welded by a spot welding machine. However, the connection performance of the connection method is not stable enough, and through market feedback after the product is sold, the connection part is often subjected to desoldering, tearing and the like, so that the whole elevator system cannot work. In addition, in the production process, detection personnel cannot detect the quality problems of all products, and can only tear the parts to detect the bonding strength in a first and last piece detection mode. This also adds substantially to the cost. The accessory manufacturer must therefore think about how to find new mechanisms or processes that solve the above-mentioned mechanism failures that currently occur.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem, the utility model provides a transmission structure that riser was used:

a transmission structure for a lifter comprises a long rotating arm, two short rotating arms and a connecting piece, wherein the long rotating arm is connected with the two short rotating arms in a fork arm type, the connecting piece comprises a spline body and a round jacking sheet fixedly connected with one end of the spline body, the spline body comprises a first end part and a second end part, the first end part and the second end part are respectively in transmission fit with the internal spline grooves arranged at the end parts of the two short rotating arms, the round top position sheet is integrally and fixedly connected with the first end part of the spline body, the round top position sheet and one short rotating arm side edge form limit fit, thereby preventing the short tumbler from separating from the spline body, the other short tumbler and the second end part of the spline body form limit fit, a round shaft piece is movably sleeved in the middle position of the spline body, the round shaft piece and the spline body are coaxially arranged, and the round shaft piece is movably arranged in a through hole formed in the middle of the long rotating arm.

Preferably, the outer end face of the second end portion is provided with an axial bolt hole, the bolt hole is used for fixing a screw in a threaded manner, the screw comprises a bolt portion fixed in a threaded manner with the bolt hole and a nut portion fixedly connected with the bolt portion, the diameter of the nut portion is larger than or equal to that of the spline body, and the nut portion is in limit fit with the corresponding short rotating arm so as to prevent the corresponding short rotating arm from being separated outwards.

Preferably, the second end of the spline body is in riveted fixed fit with the other short tumbler.

Preferably, the outer end faces of the second end parts are respectively provided with an axially extending flange, the flanges are used for forming an everted flanging after being knocked, and the flanging and the short rotating arm form limit fit.

Preferably, the flange is a sheet-shaped protruding structure, and the flange is provided with a plurality of circles circumferentially distributed in the spline body.

Preferably, a convex connecting column is arranged in the middle of the outer end face of the second end portion, the outer end of the connecting column is fixedly connected with an arc-shaped semicircular block, the arc-shaped face of the arc-shaped semicircular block protrudes out of one side of the outer end face of the spline body, the arc-shaped face of the arc-shaped semicircular block is located on the outer side of the flange, and the outer edge of the arc-shaped face is matched with the flange.

Preferably, the round shaft piece is made of a magnetic metal material, the two short rotating arms are made of an iron metal material, and the round shaft piece is in magnetic attraction fit with the two short rotating arms respectively, so that the short rotating arms are prevented from falling off.

The utility model discloses following beneficial effect has: the spline body and the circular top piece of this product formula structure as an organic whole to required riveting process step has been reduced, the structure of integral type has also improved the structural stability of product in addition, thereby makes the precision of glass-frame riser obtain improving.

Drawings

FIG. 1 is an assembly diagram of embodiment 1.

FIG. 2 is a partial sectional view schematically showing embodiment 1.

Fig. 3 is a schematic structural view of the spline body and the circular ejecting piece in embodiment 1.

Fig. 4 is a schematic structural view of the spline body and the circular ejecting piece of embodiment 2.

Fig. 5 is a schematic view of the connection of the spline body and the screw of embodiment 2.

Fig. 6 is a schematic view 1 of the structure of the connector according to embodiment 3.

Fig. 7 is a schematic view 2 of the structure of the connector according to embodiment 3.

1. A long rotating arm; 2. a short rotating arm; 3. a connecting member; 4. a spline body; 5. a circular top sheet; 6. a circular shaft piece; 7. a flange; 8. connecting columns; 9. an arc-shaped semicircular block; 10. bolt holes; 11. and (4) screws.

Detailed Description

The present invention will be further described with reference to FIGS. 1 to 5 and examples 1 to 2.

Example 1: a transmission structure for a lifter comprises a long rotating arm 1, two short rotating arms 2 and a connecting piece 3, wherein the long rotating arm 1 is in fork arm type connection with the two short rotating arms 2, the connecting piece 3 comprises a spline body 4 and a circular top sheet 5 fixedly connected to one end of the spline body 4, the spline body 4 comprises a first end part and a second end part, the first end part and the second end part are respectively in transmission fit with internal spline grooves arranged at the end parts of the two short rotating arms 2, the circular top sheet 5 is integrally and fixedly connected with the first end part of the spline body 4, the circular top sheet 5 is tightly attached to one side edge of one of the short rotating arms 2 so as to prevent the short rotating arm 2 from being separated from the spline body 4, the other short rotating arm 2 is fixedly riveted with the second end part of the spline body 4, a circular shaft sheet 6 is movably sleeved at the middle position of the spline body 4, and the circular shaft sheet 6 is coaxially arranged with the spline body 4, the round shaft piece 6 is movably arranged in a through hole arranged in the middle of the long rotating arm 1. The round shaft piece 6 is made of magnetic metal materials, the two short rotating arms 2 are made of iron metal materials, and the round shaft piece 6 is in magnetic attraction fit with the two short rotating arms 2 respectively, so that the short rotating arms 2 are prevented from falling off.

Example 2: a transmission structure for a lifter, which comprises a long rotating arm 1, two short rotating arms 2 and a connecting piece 3, the long rotating arm 1 is connected with the two short rotating arms 2 in a fork arm type, the connecting piece 3 comprises a spline body 4 and a round top position sheet 5 which is fixedly connected with one end of the spline body 4, the spline body 4 comprises a first end part and a second end part, the first end part and the second end part are respectively in transmission fit with the inner spline grooves arranged at the end parts of the two short rotating arms 2, the round top position sheet 5 is fixedly connected with the first end part of the spline body 4 in an integrated manner, the round top position sheet 5 is tightly attached to the side edge of one short rotating arm 2, thereby preventing the short tumbler 2 from separating from the spline body 4, the round shaft piece 6 is movably sleeved in the middle position of the spline body 4, the round shaft piece 6 and the spline body 4 are coaxially arranged, and the round shaft piece 6 is movably arranged in a through hole formed in the middle of the long rotating arm 1.

The outer end face of the second end portion is provided with an axial bolt hole 10, the bolt hole 10 is used for fixing a provided bolt 11 in a threaded manner, the bolt 11 comprises a bolt portion in a threaded manner with the bolt hole 10 and a nut portion fixedly connected with the bolt portion, the diameter of the nut portion is larger than or equal to that of the spline body 4, and the nut portion is limited in a clamping manner with the corresponding short rotating arm 2, so that the corresponding short rotating arm 2 is prevented from being separated outwards.

Example 3: a transmission structure for a lifter, which comprises a long rotating arm 1, two short rotating arms 2 and a connecting piece 3, the long rotating arm 1 is connected with the two short rotating arms 2 in a fork arm type, the connecting piece 3 comprises a spline body 4 and a round top position sheet 5 which is fixedly connected with one end of the spline body 4, the spline body 4 comprises a first end part and a second end part, the first end part and the second end part are respectively in transmission fit with the inner spline grooves arranged at the end parts of the two short rotating arms 2, the round top position sheet 5 is fixedly connected with the first end part of the spline body 4 in an integrated manner, the round top position sheet 5 is tightly attached to the side edge of one short rotating arm 2, thereby preventing the short tumbler 2 from separating from the spline body 4, the round shaft piece 6 is movably sleeved in the middle position of the spline body 4, the round shaft piece 6 and the spline body 4 are coaxially arranged, and the round shaft piece 6 is movably arranged in a through hole formed in the middle of the long rotating arm 1.

The outer end face of the second end portion is provided with axially extending flanges 7, the flanges 7 are of sheet-shaped protruding structures, and the flanges 7 are provided with a plurality of flanges and are circumferentially distributed in the inner circle of the spline body 4. The flange 7 is used for forming an eversion flanging after knocking, and the flanging and the short rotating arm 2 form limit matching. The middle of the outer end face of the second end portion is provided with a convex connecting column 8, the outer end of the connecting column 8 is fixedly connected with an arc-shaped semicircular block 9, the arc-shaped face of the arc-shaped semicircular block 9 corresponds to one side of the outer end face of the spline body 4 and protrudes, the arc-shaped face of the arc-shaped semicircular block 9 is located on the outer side of the flange 7, and the outer edge of the arc-shaped face is matched with the flange 7. The round shaft piece 6 is made of magnetic metal materials, the two short rotating arms 2 are made of iron metal materials, and the round shaft piece 6 is in magnetic attraction fit with the two short rotating arms 2 respectively, so that the short rotating arms 2 are prevented from falling off.

It is obvious that the above embodiments of the present invention are only examples for illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. There is no need or no way to give poor examples of all embodiments. And that such obvious changes and modifications are within the scope of the present invention as defined by the appended claims.

Claims

1. The utility model provides a transmission structure that lift was used, includes long rocking arm (1), two short rocking arms (2) and connecting piece (3), long rocking arm (1) is connected its characterized in that for the yoke with two short rocking arms (2): the connecting piece (3) comprises a spline body (4) and a circular jacking sheet (5) fixedly connected with one end of the spline body (4), the spline body (4) comprises a first end part and a second end part, the first end part and the second end part are respectively in transmission fit with the inner spline grooves arranged at the end parts of the two short rotating arms (2), the round top position sheet (5) is integrally and fixedly connected with the first end part of the spline body (4), the round top piece (5) is in limit fit with the side edge of one short rotating arm (2), the other short rotating arm (2) is in limit fit with the second end part of the spline body (4), a round shaft piece (6) is movably sleeved in the middle of the spline body (4), the round shaft piece (6) and the spline body (4) are coaxially arranged, and the round shaft piece (6) is movably arranged in a through hole formed in the middle of the long rotating arm (1).

2. A transmission structure for an elevator according to claim 1, wherein: the second end part of the spline body (4) and the other short rotating arm (2) form riveting fixed fit.

3. A transmission structure for an elevator according to claim 1, wherein: the outer end face of the second end portion is provided with an axial bolt hole (10), a bolt (11) is arranged in the bolt hole (10) in a threaded fixing mode, the bolt (11) comprises a bolt portion and a nut portion, the bolt portion is in threaded fixing with the bolt hole (10), the nut portion is fixedly connected with the bolt portion, the diameter of the nut portion is larger than or equal to that of the spline body (4), and the nut portion and the corresponding short rotating arm (2) form limiting matching.

4. A transmission structure for an elevator according to claim 1, wherein: the outer end face of the second end portion is provided with an axially extending flange (7), the flange (7) is used for forming an outward-turned flanging after knocking, and the flanging and the short rotating arm (2) form limiting fit.

5. The transmission structure for an elevator according to claim 4, wherein: the flange (7) is of a sheet-shaped protruding structure, and the flange (7) is provided with a plurality of circles which are circumferentially distributed in the spline body (4).

6. The transmission structure for an elevator according to claim 5, wherein: be equipped with bellied spliced pole (8) in the middle of the outer terminal surface of second tip, arc semicircle piece (9) that spliced pole (8) outer end fixed connection was equipped with, the arcwall face of arc semicircle piece (9) corresponds outer terminal surface one side protrusion of spline body (4), and the arcwall face of arc semicircle piece (9) is located flange (7) outside, the outer fringe and the flange (7) of arcwall face cooperate.

7. A transmission structure for an elevator according to claim 1, wherein: the round shaft piece (6) is made of magnetic metal materials, the two short rotating arms (2) are made of iron metal materials, and the round shaft piece (6) is in magnetic attraction fit with the two short rotating arms (2) respectively.