CN110667678A - Gear-type multi-function handle connection mechanism - Google Patents

Abstract

The invention discloses a gear-type multifunctional handle connection mechanism, comprising a middle connecting piece, a side connecting piece, a side fitting piece, a fixing piece and a terminal screen. The middle connecting piece is provided with a middle anti-rotation groove, and the side connecting piece includes The upper conflicting part, the lower conflicting part, the internal connecting gear teeth, the internal fixing column, the external connecting gear teeth, the side fittings are provided with edge anti-rotation grooves and gear grooves, and the side fittings include first internal gear teeth, second The internal gear teeth, the first internal gear teeth and the second internal gear teeth are located in the gear grooves; the terminal screen is provided with anti-rotation ribs, the shopping cart joint is provided with anti-rotation columns, and the anti-rotation columns are clamped to the side anti-rotation grooves. The anti-rotation column and anti-rotation rib are used to realize the anti-rotation of two positions. At the same time, the matching angle of the gear teeth can be adjusted to adjust the installation angle along the axis, which is stable and fast, and realizes the purpose of changing the angle on the handle of the shopping cart with different specifications. The installation efficiency is improved, and the installation and maintenance costs are effectively reduced.

Description

Gear-type multi-function handle connection mechanism

technical field

The invention relates to the field of life, in particular to a gear-type multifunctional handle connection mechanism.

Background technique

At present, a shopping cart refers to a kind of trolley used by customers to temporarily store selected products in large-scale shopping malls such as supermarkets. It usually has several floors and can store different items, and some can also carry children. With the rapid development of society, terminal screens are placed on shopping carts to facilitate customers' use.

However, the existing terminal screen has the following defects in the setting process:

When the shopping terminal screen is installed on the existing shopping cart handle, an effective and convenient installation, compatible with different specifications of shopping cart handle anti-rotation fixing method to solve the rotation problem of the terminal screen cannot be found. To ensure the accuracy of the preset angle, it is difficult to effectively install on shopping cart handles of different specifications, the efficiency is very low, and the installation cost is relatively high.

SUMMARY OF THE INVENTION

In order to overcome the deficiencies of the prior art, one of the objectives of the present invention is to provide a gear-type multifunctional handle connection mechanism, which can solve the problems of high installation difficulty, very low efficiency and relatively high installation cost.

One of the objects of the present invention adopts the following technical scheme to realize:

A gear-type multifunctional handle connection mechanism, comprising a middle connecting piece, a side connecting piece, a side fitting piece, a fixing piece and a terminal screen, the middle connecting piece is provided with a middle anti-rotation groove, and the middle anti-rotation groove penetrates through the middle connecting piece; the side connecting piece includes an upper conflicting part, a lower conflicting part, an inner connecting gear tooth, an inner fixing column and an outer connecting gear tooth, and the upper conflicting part and the lower conflicting part are arranged on the The upper and lower ends of the side connecting piece are provided with a cylindrical groove at the rear of the side connecting piece. The teeth are facing the outer engaging gear teeth; the side fitting is provided with a side anti-rotation groove and a gear groove, and the side anti-rotation groove and the gear groove are distributed at both ends of the side fitting, The side fittings include a first inner gear tooth and a second inner gear tooth, and the first inner gear tooth and the second inner gear tooth are located in the gear groove; the terminal screen is provided with an anti-rotation rib, so the The anti-rotation rib is snapped into the middle anti-rotation groove, the edge of the middle connecting piece is snapped on the upper contact portion and the lower contact portion, and the inner engagement gear teeth are connected to the second inner wheel. The teeth are clamped, the outer connecting gear teeth are clamped with the first inner gear teeth, the fixing piece fixes the side connecting piece and the side fitting piece, and the shopping cart joint is provided with an anti-rotation column, The anti-rotation column is clamped to the side anti-rotation groove.

Further, the lower abutting portion is elongated and provided with a raised platform at the end, the side engaging member is provided with a concave groove, and one end of the lower abutting portion is fixed to the end of the concave groove.

Further, the surfaces of the side engaging pieces are provided with scales for defining angles.

Further, the shopping cart joint is provided with an anti-skid groove, and a plurality of the anti-rotation columns are arranged in the anti-skid groove.

Further, the terminal screen further includes a lower cover, a second protrusion and a base, the second protrusion is arranged on the base, the lower cover includes a first protrusion, the first protrusion The protrusion and the second protrusion form the anti-rotation rib.

Further, the lower cover body is further provided with a fixing hole, and the lower cover body is fixed on the base through the fixing hole.

Further, the second protrusion is provided with a plurality of guide posts, the lower cover body is provided with a guide groove matching the guide posts, and the guide posts are installed in the guide grooves.

Further, the fixing member is a screw, and the fixing member passes through the side fitting member and is fixed on the inner fixing column.

Further, the number of the side connecting pieces, the side fitting pieces, and the fixing pieces are all two, and the two side connecting pieces are distributed at the left and right ends of the middle connecting piece.

Further, the upper end of the middle connecting piece is provided with a U-shaped groove, the lower end of the middle connecting piece is provided with a matching hole, the upper abutting part is clamped to the U-shaped groove, and the lower abutting part is clamped to the said U-shaped groove. Mating holes.

Compared with the prior art, the beneficial effects of the present invention are:

The side fittings include a first inner gear tooth and a second inner gear tooth, and the first inner gear tooth and the second inner gear tooth are located in the gear groove; the terminal screen is provided with an anti-rotation rib, so the The anti-rotation rib is snapped into the middle anti-rotation groove, the edge of the middle connecting piece is snapped on the upper contact portion and the lower contact portion, and the inner engagement gear teeth are connected to the second inner wheel. The teeth are clamped, the outer connecting gear teeth are clamped with the first inner gear teeth, the fixing piece fixes the side connecting piece and the side fitting piece, and the shopping cart joint is provided with an anti-rotation column, The anti-rotation column is clamped to the side anti-rotation groove. The anti-rotation column and the anti-rotation rib are used to realize the anti-rotation of two positions, and at the same time, the matching angle of the gear teeth can be adjusted to adjust the installation angle along the axis, which is stable and fast, and realizes the change of the angle on the handle of the shopping cart of different specifications. The purpose is to improve the installation efficiency and effectively reduce the installation and maintenance costs.

The above description is only an overview of the technical solutions of the present invention, in order to be able to understand the technical means of the present invention more clearly, it can be implemented according to the content of the description, and in order to make the above and other purposes, features and advantages of the present invention more obvious and easy to understand , the following specific preferred embodiments, and in conjunction with the accompanying drawings, are described in detail as follows.

Description of drawings

1 is a perspective view of a preferred embodiment of the gear-type multi-function handle connection mechanism of the present invention;

Fig. 2 is another perspective view of the gear-type multi-function handle connecting mechanism shown in Fig. 1;

FIG. 3 is an exploded view of the gear-type multi-function handle connecting mechanism shown in FIG. 1;

Fig. 4 is a perspective view of a terminal screen in the gear-type multi-function handle connecting mechanism shown in Fig. 1;

FIG. 5 is a partial perspective view of the gear-type multi-function handle connection mechanism shown in FIG. 1;

FIG. 6 is a partial exploded view of the gear-type multi-function handle connection mechanism shown in FIG. 1;

Fig. 7 is another partial exploded view of the gear-type multi-function handle connecting mechanism shown in Fig. 1;

FIG. 8 is a perspective view of a side part connecting member in the gear-type multi-function handle connecting mechanism shown in FIG. 1;

FIG. 9 is another perspective view of a side engaging member of the gear-type multi-function handle connecting mechanism shown in FIG. 1 .

In the figure: 10, middle connecting piece; 11, middle anti-rotation groove; 12, U-shaped groove; 13, matching hole; 20, side connecting piece; 21, scale; 22, upper interference part; 23, lower interference part; 231, raised platform; 24, recessed groove; 25, internal connection gear teeth; 26, internal fixed column; 27, external connection gear teeth; 30, side fittings; 31, edge anti-rotation groove; 32, first Internal gear teeth; 34, second internal gear teeth; 35, gear groove; 40, fixing part; 100, shopping cart joint; 101, anti-slip groove; 102, anti-rotation column; 200, terminal screen; 201, anti-rotation rib; 202, the lower cover body; 2021, the fixing hole; 2022, the first protrusion; 203, the second protrusion; 2031, the guide post.

Detailed ways

The present invention will be further described below with reference to the accompanying drawings and specific embodiments. It should be noted that, on the premise of no conflict, the embodiments or technical features described below can be combined arbitrarily to form new embodiments. .

It should be noted that when a component is referred to as being "fixed to" another component, it can be directly on the other component or there may also be a centered component. When a component is considered to be "connected" to another component, it may be directly connected to the other component or there may be a co-existence of an intervening component. When a component is considered to be "set on" another component, it may be directly set on the other component or there may be a co-existing centered component. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for illustrative purposes only.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terms used herein in the description of the present invention are for the purpose of describing specific embodiments only, and are not intended to limit the present invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Please refer to FIGS. 1-9 , a gear-type multi-function handle connection mechanism includes a middle connecting piece 10 , a side connecting piece 20 , a side fitting piece 30 , a fixing piece 40 and a terminal screen 200 . The middle connecting piece 10 is provided with There is a middle anti-rotation groove 11, and the middle anti-rotation groove 11 penetrates the middle connecting piece 10; the side connecting piece 20 includes an upper contact part 22, a lower contact part 23, an inner engaging gear tooth 25, and an inner fixing column 26 27, the outer engaging gear teeth 27, the upper contacting part 22 and the lower contacting part 23 are distributed on the upper and lower ends of the side engaging piece 20, the rear part of the side engaging piece 20 is provided with a cylindrical groove, the The inner engaging gear teeth 25, the inner fixing post 26, and the outer engaging gear teeth 27 are located in the cylindrical groove, and the inner engaging gear teeth 25 are facing the outer engaging gear teeth 27; the side fittings 30 are provided with The side anti-rotation grooves 31 and the gear grooves 35 are distributed on both ends of the side fittings 30 , and the side fittings 30 include first internal gear teeth. 32. The second inner gear teeth 34, the first inner gear teeth 32 and the second inner gear teeth 34 are located in the gear grooves 35; the terminal screen 200 is provided with an anti-rotation rib 201, and the anti-rotation rib 201 It is clamped to the middle anti-rotation groove 11 , the edge of the middle connecting piece 10 is clamped to the upper contact portion 22 and the lower contact portion 23 , and the inner engaging gear teeth 25 are connected to the second inner The gear teeth 34 are snap-connected, the outer engaging gear teeth 27 are snap-fitted with the first inner gear teeth 32, and the fixing member 40 fixes the side engaging member 20 and the side fitting member 30. Shopping cart The joint 100 is provided with an anti-rotation column 102 , and the anti-rotation column 102 is clamped to the side anti-rotation groove 31 . The anti-rotation column 102 and the anti-rotation rib 201 are used to realize the anti-rotation of two positions, and at the same time, the matching angle of the gear teeth can be adjusted to adjust the installation angle along the axis, which is stable and fast, and realizes the change on the handles of shopping carts of different specifications. The purpose of the angle is to improve the installation efficiency and effectively reduce the installation and maintenance costs.

In practical application, the side connecting piece 20 can be preset with different angles according to requirements, and finally can become a multi-functional standard piece, which can generate economies of scale during production and effectively reduce production costs. By adjusting the engagement angle between the inner engaging gear teeth 25 and the second inner gear teeth 34, and by adjusting the engagement angle between the outer engaging gear teeth 27 and the first inner gear teeth 32, the angle can be changed. Adjust as needed.

Preferably, the lower abutting portion 23 is in the shape of a long strip and is provided with a raised platform 231 at the end, the side engaging member 20 is provided with a recessed groove 24, and one end of the lower conflicting portion 23 is fixed to the recess. the end of the slot 24 . During installation, the lower abutting portion 23 is first pressed against the concave groove 24, thereby simplifying the installation and solving the problem of difficult clamping.

Preferably, the surface of the side engaging piece 20 is provided with a scale 21 for defining an angle. Facilitate the observation of personnel.

Preferably, the shopping cart joint 100 is provided with an anti-skid groove 101 , and a plurality of the anti-rotation columns 102 are arranged in the anti-skid groove 101 . The terminal screen 200 further includes a lower cover 202, a second protrusion 203 and a base, the second protrusion 203 is disposed on the base, and the lower cover 202 includes a first protrusion 2022, so The first protrusion 2022 and the second protrusion 203 form the anti-rotation rib 201 . On the one hand, it is easy to install, and on the other hand, it solves the problem of non-slip in the middle.

Specifically, in this embodiment, the lower cover body 202 is further provided with a fixing hole 2021 , and the lower cover body 202 is fixed on the base through the fixing hole 2021 . It is easy to install and has a wide range of applications.

Preferably, the second protrusion 203 is provided with a plurality of guide posts 2031 , the lower cover 202 is provided with guide grooves matching the guide posts 2031 , and the guide posts 2031 are installed in the guide grooves. The fixing member 40 is a screw, and the fixing member 40 passes through the side fitting member 30 and is fixed on the inner fixing column 26 . Simplified installation, one person can operate independently.

Preferably, the number of the side engaging members 20 , the side matching members 30 , and the fixing members 40 is two, and the two side engaging members 20 are distributed on the left and right sides of the middle connecting member 10 . end. The upper end of the middle connecting piece 10 is provided with a U-shaped groove 12 , the lower end of the middle connecting piece 10 is provided with a matching hole 13 , the upper abutting portion 22 is clamped to the U-shaped groove 12 , and the lower abutting portion 23 is clamped. connected to the matching hole 13 . The structure is novel, the design is ingenious, the applicability is strong, and it is easy to promote.

The above-mentioned embodiments are only preferred embodiments of the present invention, and cannot be used to limit the scope of protection of the present invention. Any insubstantial changes and substitutions made by those skilled in the art on the basis of the present invention belong to the scope of the present invention. Scope of protection claimed.

Claims (10)

1. The utility model provides a multi-functional handle coupling mechanism of gear formula, includes middle part connecting piece, lateral part linking piece, lateral part fitting piece, mounting and terminal screen, its characterized in that:

the middle connecting piece is provided with a middle anti-rotation groove which penetrates through the middle connecting piece;

the lateral linking piece comprises an upper abutting part, a lower abutting part, internal linking gear teeth, internal fixing columns and external linking gear teeth, the upper abutting part and the lower abutting part are distributed at the upper end and the lower end of the lateral linking piece, a cylindrical groove is formed in the rear part of the lateral linking piece, the internal linking gear teeth, the internal fixing columns and the external linking gear teeth are located in the cylindrical groove, and the internal linking gear teeth are opposite to the external linking gear teeth;

the side fitting piece is provided with an edge anti-rotation groove and a gear groove, the edge anti-rotation groove and the gear groove are distributed at two ends of the side fitting piece, the side fitting piece comprises a first internal gear tooth and a second internal gear tooth, and the first internal gear tooth and the second internal gear tooth are positioned in the gear groove;

the terminal screen is provided with prevents changeing the rib, prevent changeing the rib joint in the middle part prevents the turn-trough, the limit portion buckle of middle part connecting piece in upper portion conflict portion with lower part conflict portion, inside link up the teeth of a cogwheel with the inside teeth of a cogwheel joint of second, outside link up the teeth of a cogwheel with first inside teeth of a cogwheel joint, the mounting will lateral part link up the piece with the lateral part fitting piece is fixed, and the shopping cart joint is provided with prevents changeing the post, prevent changeing the post joint in limit portion prevents the turn-trough.

2. The gear type multifunctional handle connecting mechanism according to claim 1, wherein: the lower part conflict portion is rectangular form and is equipped with protruding platform at the tip, lateral part link joint is equipped with the depressed groove, the one end of lower part conflict portion is fixed in the tip of depressed groove.

3. The gear type multifunctional handle connecting mechanism according to claim 1, wherein: the surface of the side link is provided with a scale for defining an angle.

4. The gear type multifunctional handle connecting mechanism according to claim 1, wherein: the shopping cart connector is provided with an anti-skid groove, and the anti-rotation columns are arranged in the anti-skid groove.

5. The gear type multifunctional handle connecting mechanism according to claim 1, wherein: the terminal screen further comprises a lower cover body, a second protrusion and a base, wherein the second protrusion is arranged on the base, the lower cover body comprises a first protrusion, and the first protrusion and the second protrusion form the anti-rotation rib.

6. The gear type multifunctional handle connecting mechanism according to claim 5, wherein: the lower cover body is further provided with a fixing hole, and the lower cover body is fixed on the base through the fixing hole.

7. The gear type multifunctional handle connecting mechanism according to claim 6, wherein: the second arch is provided with a plurality of guide posts, the lower part lid be provided with guide post assorted guide way, the guide post install in the guide way.

8. The gear type multifunctional handle connecting mechanism according to claim 1, wherein: the fixing piece is a screw and penetrates through the side fitting piece and is fixed on the internal fixing column.

9. The gear type multifunctional handle connecting mechanism according to claim 1, wherein: the number of the side connecting pieces, the side matching pieces and the fixing pieces is two, and the two side connecting pieces are distributed at the left end and the right end of the middle connecting piece.

10. The gear type multifunctional handle connecting mechanism according to claim 1, wherein: middle part connecting piece upper end is provided with U type groove, middle part connecting piece lower extreme is provided with the mating holes, upper portion conflict portion joint in U type groove, lower part conflict portion joint in the mating holes.

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