CN219866159U

CN219866159U - Plastic gear box convenient for assembling cup holder

Info

Publication number: CN219866159U
Application number: CN202320961568.4U
Authority: CN
Inventors: 孙永平; 陈海笙
Original assignee: Dongguan Vigor Plastics Products Co ltd
Current assignee: Dongguan Vigor Plastics Products Co ltd
Priority date: 2023-04-25
Filing date: 2023-04-25
Publication date: 2023-10-20
Anticipated expiration: 2033-04-25

Abstract

The utility model discloses a plastic gear box convenient for assembling a cupholder, which comprises a drive, a gear pair, an output gear, a copper cupholder and a lower shell, wherein a gear pair installation cavity and an output gear installation cavity are arranged in the lower shell, an installation hole is formed in the middle of the output gear installation cavity, the copper cupholder is in clearance fit with the installation hole, and the output end of the output gear is arranged in the copper cupholder in a penetrating way. The copper cup holder and the shell mounting hole are in clearance fit, and the copper cup holder does not need to be pressed into the shell by using a hand beer machine or a gas beer machine. Only need the people's hand light with copper cup man put into the casing in can. The assembly mode is simplified, the assembly difficulty is reduced, and meanwhile, the cracking of the shell and the elliptical phenomenon of the inner hole of the copper cup are avoided when the copper cup is assembled. The rectangular bulge on the copper cup holder is matched with the rectangular groove part in the shell, so that the slipping problem of the copper cup holder is well solved.

Description

Plastic gear box convenient for assembling cup holder

Technical Field

The utility model relates to a gear box, in particular to a plastic gear box convenient for assembling cupers.

Background

The plastic gear box is widely applied to industry, medical treatment, electric tools, intelligent household appliances, automobiles and the like. The plastic gear box has the advantages of light weight, low noise and low price, and is favored by train enterprises. Especially, the requirements of rapid development of new energy automobiles and light weight of automobiles are met, and plastic gear boxes are applied to various positions in automobiles, such as: headlamps, steering wheels, doors and windows, tail gates, seats and the like. As automobiles are related to the life safety of the occupants. Therefore, the function of the plastic gear box is absolutely reliable.

Transmission plastic gearboxes typically use copper cups to secure the metal shaft or to block friction between the metal shaft and the plastic housing. Copper cup is generally pressed into the plastic shell mounting hole by interference, but due to the specificity of the shell structure (plastic materials, deformation phenomenon occurs during injection molding and cooling), the copper cup mounting hole on the shell is often elliptical, so that the copper cup is easy to deform and slip in the use process after press fitting. The copper cup is difficult to install when the interference magnitude and the ellipse phenomenon of the installation hole are large. When the copper cup is a thin-wall copper cup, the copper cup is influenced by the ellipse phenomenon of the mounting hole of the shell, the ellipse phenomenon is easily caused in the inner hole of the copper cup after interference pressing, and therefore the metal shaft cannot be mounted or friction of the metal shaft is uneven, and the service life of the whole gear box is reduced.

Disclosure of Invention

In order to overcome the defects and shortcomings in the prior art, the utility model aims to provide a plastic gear box which is convenient for assembling cupers.

The aim of the utility model is achieved by the following technical scheme: the utility model provides a plastic gear box convenient to assembly cup is taken turns to, includes drive, gear pair, output gear, copper cup is taken turns to and lower casing, be equipped with gear pair installation cavity and output gear installation cavity in the lower casing, the middle part in output gear installation cavity is equipped with the mounting hole, copper cup take turns to with mounting hole clearance fit, output gear's output wears to establish in the copper cup is taken turns to. The copper cup is only needed to be manually inserted into the mounting hole, the external force action of a hand beer machine or a gas beer machine is not needed, and deformation caused by interference fit of the copper cup can be prevented while the mounting is convenient.

As an improvement of the plastic gear box convenient for assembling cupholder, the outer surface of the cupholder is provided with a plurality of rectangular protrusions at intervals, the inner side wall of the mounting hole is provided with a plurality of rectangular grooves at intervals, and when the cupholder is inserted into the mounting hole, the rectangular protrusions are in clearance fit with the rectangular grooves. Rectangular protrusions are in clearance fit with the rectangular grooves, so that the anti-slip effect of copper cupers can be achieved, and slipping of the output gear during power output is prevented.

As an improvement of the plastic gear box convenient for assembling cupers, the gear pair is arranged in the gear pair installation cavity through the installation rod, the output gear is arranged in the output gear installation cavity, the output end of the gear pair is meshed with the output gear, and the rotation of the gear pair can drive the output gear to rotate.

As an improvement of the plastic gear box convenient for assembling cupers, the driving device comprises a motor and a worm, wherein the worm is arranged on an output shaft of the motor in a penetrating way, the worm is meshed with the gear pair, and the worm rotates to drive the gear pair to rotate.

As an improvement of the plastic gear box convenient for assembling cupers, one side of the lower shell is provided with a worm installation cavity and a motor installation cavity, the worm is arranged in the worm installation cavity, and one end of the motor is connected to the motor installation cavity and is connected with the worm.

As an improvement of the plastic gear box convenient for assembling cupers, the edge of the motor installation cavity is provided with at least one pair of connecting seats, the edge of one end of the motor is provided with a connecting block corresponding to the connecting seats, and the connecting block and the connecting seats are fixed through screws.

As an improvement of the plastic gear box convenient for assembling cupholder, the utility model further comprises an upper shell, wherein a plurality of buckling lugs are arranged at intervals on the edge of the upper shell, a plurality of clamping blocks are arranged at intervals on the outer side surface of the lower shell, and the buckling lugs are buckled and fixed on the clamping blocks when the upper shell is covered on the lower shell. The upper shell and the lower shell are positioned through the clamping blocks of the buckling lugs, so that the offset during assembly is prevented. After the buckling positioning, the screw hole of the upper shell just corresponds to the screw groove on the lower shell, repeated alignment of the screw hole is not needed, and the assembly efficiency is improved.

As an improvement of the plastic gear box which is convenient for assembling cupholder, the upper shell is locked and fixed with screws after being buckled and positioned with the lower shell.

The utility model has the beneficial effects that: the copper cup holder and the shell mounting hole are in clearance fit, and the copper cup holder does not need to be pressed into the shell by using a hand beer machine or a gas beer machine. Only need the people's hand light with copper cup man put into the casing in can. The assembly mode is simplified, the assembly difficulty is reduced, and meanwhile, the cracking of the shell and the elliptical phenomenon of the inner hole of the copper cup are avoided when the copper cup is assembled. The rectangular bulge on the copper cup holder is matched with the rectangular groove part in the shell, so that the slipping problem of the copper cup holder is well solved.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is an exploded schematic view of the present utility model;

FIG. 3 is a schematic view of the copper cup of the present utility model;

FIG. 4 is a schematic view of the lower housing structure of the present utility model;

the reference numerals are: 1. the gear pair comprises a drive 2, a gear pair 3, an output gear 4, a copper cup 5, a lower shell 6, a gear pair mounting cavity 7, an output gear mounting cavity 8, a mounting hole 9, a mounting rod 10, a motor 11, a worm 12, an upper shell 13, a buckling lug 41, a rectangular bulge 51, a worm mounting cavity 52, a motor mounting cavity 53, a connecting seat 54, a clamping block 81, a rectangular groove 101 and a connecting block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, in the embodiments of the present utility model, all directional indicators (such as up, down, left, right, front, and rear … …) are merely used to explain the relative positional relationship, movement conditions, and the like between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicators are correspondingly changed.

Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be regarded as not exist and not within the protection scope of the present utility model.

As shown in figures 1-4, the plastic gear box convenient for assembling cupholder comprises a drive 1, a gear pair 2, an output gear 3, a copper cupholder 4 and a lower shell 5, wherein a gear pair mounting cavity 6 and an output gear mounting cavity 7 are arranged in the lower shell 5, a mounting hole 8 is formed in the middle of the output gear mounting cavity 7, the copper cupholder 4 is in clearance fit with the mounting hole 8, and the output end of the output gear 3 is arranged in the copper cupholder 4 in a penetrating manner. The copper cup holder 4 only needs to be manually inserted into the mounting hole, the external force action of a hand beer machine or a gas beer machine is not needed, and deformation caused by interference fit of the copper cup holder can be prevented while the mounting is convenient. The utility model simplifies the assembly mode, reduces the assembly difficulty, and simultaneously avoids the cracking of the shell and the occurrence of the ellipse phenomenon of the inner hole of the copper cup 4 when the copper cup 4 is assembled.

Preferably, a plurality of rectangular protrusions 41 are arranged on the outer surface of the copper cup holder 4 at intervals, a plurality of rectangular grooves 81 are arranged on the inner side wall of the mounting hole 8 at intervals, and when the copper cup holder 4 is inserted into the mounting hole 8, the rectangular protrusions 41 are in clearance fit with the rectangular grooves 81. The rectangular bulge 41 is in clearance fit with the rectangular groove 81, so that the anti-slip effect of the copper cup 4 can be achieved, and slipping during power output of the output gear is prevented.

Preferably, the gear pair 2 is installed in the gear pair installation cavity 6 through the installation rod 9, the output gear 3 is installed in the output gear installation cavity 7, the output end of the gear pair 2 is meshed with the output gear 3, and the rotation of the gear pair 2 can drive the output gear 3 to rotate.

Preferably, the drive 1 comprises a motor 10 and a worm 11, the worm 11 is arranged on an output shaft of the motor 10 in a penetrating way, the worm 11 is meshed with the gear pair 2, and the worm 11 rotates to drive the gear pair 2 to rotate.

Preferably, one side of the lower housing 5 is provided with a worm installation cavity 51 and a motor installation cavity 52, the worm 11 is disposed in the worm installation cavity 51, and one end of the motor 10 is connected to the motor installation cavity 52 and connected to the worm 11.

Preferably, at least one pair of connecting seats 53 are arranged on the edge of the motor installation cavity 52, a connecting block 101 is arranged at the edge of one end of the motor 10 corresponding to the position of the connecting seat 53, and the connecting block 101 and the connecting seat 53 are fixed through screws.

Preferably, the device further comprises an upper shell 12, a plurality of buckling lugs 13 are arranged at intervals on the edge of the upper shell 12, a plurality of clamping blocks 54 are arranged at intervals on the outer side surface of the lower shell 5, and the buckling lugs 13 are buckled and fixed on the clamping blocks 54 when the upper shell 12 is covered on the lower shell 5. The upper shell 12 and the lower shell 5 are positioned by the clamping blocks 54 of the buckling lugs 13, so that the offset during assembly is prevented. After the buckling positioning, the screw hole of the upper shell 12 just corresponds to the screw groove on the lower shell 5, repeated alignment of the screw hole is not needed, and the assembly efficiency is improved. After the upper shell 12 and the lower shell 5 are fastened and positioned, the upper shell and the lower shell are locked and fixed by screws.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations may be made therein without departing from the principles and structure of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a plastic gear box convenient to assembly cup is taken turns to, its characterized in that, including drive, gear pair, output gear, copper cup is taken turns to and lower casing, be equipped with gear pair installation cavity and output gear installation cavity in the lower casing, the middle part in output gear installation cavity is equipped with the mounting hole, copper cup take turns to with mounting hole clearance fit, output gear's output wears to establish in the copper cup is taken turns to.

2. The plastic gearbox for facilitating assembly of cupholder according to claim 1, wherein a plurality of rectangular protrusions are arranged on the outer surface of the cupholder at intervals, a plurality of rectangular grooves are arranged on the inner side wall of the mounting hole at intervals, and when the cupholder is inserted into the mounting hole, the rectangular protrusions are in clearance fit with the rectangular grooves.

3. The plastic gear box for facilitating assembly of cupers according to claim 2, wherein the gear pair is installed in the gear pair installation cavity through an installation rod, the output gear is installed in the output gear installation cavity, an output end of the gear pair is meshed with the output gear, and rotation of the gear pair can drive the output gear to rotate.

4. A plastic gearbox for facilitating assembly of cupholder as defined in claim 3, wherein the drive comprises a motor and a worm, the worm is arranged on an output shaft of the motor in a penetrating manner, the worm is meshed with the gear pair, and the rotation of the worm drives the gear pair to rotate.

5. The plastic gear box for facilitating assembly of a cup holder according to claim 4, wherein a worm installation cavity and a motor installation cavity are formed in one side of the lower housing, the worm is arranged in the worm installation cavity, and one end of the motor is connected to the motor installation cavity and connected with the worm.

6. The plastic gear box for assembling cupholder conveniently according to claim 5, wherein at least one pair of connecting seats are arranged on the edge of the motor installation cavity, a connecting block is arranged at the position of one end edge of the motor corresponding to the connecting seats, and the connecting block and the connecting seats are fixed through screws.

7. The plastic gear box for assembling cupholder conveniently according to claim 1, further comprising an upper shell, wherein a plurality of buckling lugs are arranged at intervals on the edge of the upper shell, a plurality of clamping blocks are arranged at intervals on the outer side surface of the lower shell, and the buckling lugs are buckled and fixed on the clamping blocks when the upper shell is covered on the lower shell.

8. The plastic gearbox for facilitating assembly of a cupholder as recited in claim 7, wherein the upper housing is secured by a screw lock after the upper housing is positioned by a snap fit with the lower housing.