CN218922145U - Roller skate additivity device for supporting leg of common office chair - Google Patents

Abstract

The utility model discloses a roller skate additivity device for a common office chair support leg, and belongs to the technical field of office furniture. Comprises a nut, a connecting block and a universal wheel; the connecting block is of a bottom rectangle and a middle bulge type structure, and the size of the bottom rectangle is determined according to the size of the bottom of a specific chair leg; drilling holes in the center of the bottom of the connecting block, wherein the size of the holes is consistent with that of the universal wheel connecting nuts; the nut is welded at the drilling position in a welding mode, after the connecting screw rod of the universal wheel is fastened on the connecting block through the nut, the middle protruding part of the connecting block provided with the universal wheel is forcefully placed at the bottom of the supporting leg, so that the protruding part is tightly attached to the groove part at the bottom of the supporting leg, and the other supporting legs are assembled and installed in sequence, so that the roller skate addition of the supporting leg of the common office chair is completed; according to the utility model, under the condition that new furniture is not purchased, the roller skating transformation of the office chair is realized by adding part of small parts, so that the roller skating transformation is convenient to implement, and the office expense is saved.

Description

Roller skate additivity device for supporting leg of common office chair

Technical Field

The utility model belongs to the technical field of office furniture, and particularly relates to a roller skate additivity device for a common office chair supporting leg.

Background

The common office chair among the prior art, chair landing leg is because there is not the movable pulley, so it is more difficult to remove, especially when the plastic cushion of office chair landing leg bottom is under the circumstances of wearing and tearing in the future, loses the cushioning effect, and the result is chair landing leg and ground direct contact, appears iron face and ceramic tile or ground direct friction, fragile ground, and makes the sound of harshness easily, causes certain influence for other people's normal office.

Disclosure of Invention

The utility model aims to provide a roller skate additively arranged device for supporting legs of a common office chair, which solves the technical problems of difficult movement, easy noise generation and easy ground damage of the office chair.

In order to solve the technical problems, the technical scheme of the utility model is as follows:

the roller skate adding device of the landing leg of a kind of ordinary office chair, including nut, coupling block, universal wheel;

the connecting block is of a bottom rectangle and a middle bulge structure, the size of the bottom rectangle is determined according to the size of the bottom of a specific chair leg and is slightly larger than the bottom of the chair leg;

the size of the middle bulge is determined by two ways, if the chair support leg is of a metal hollow structure, the size of the middle bulge is equal to the hollow size of the support leg and slightly smaller than the size, so that the bulge part of the connecting block can be matched with the hollow position of the support leg and can be tightly attached; if the chair support leg is of a solid structure made of other materials, when the sectional area of the support leg is larger than that of the connecting block, the support leg is tightly attached to the support leg in a groove form in which the chiseling and the bulge at the bottom of the support leg can be tightly attached, and particularly when the sectional area of the support leg is smaller, the convex shape of the connecting block is changed into a connecting cup-shaped structure, and the support leg is tightly attached to the support leg in a form of being sleeved outside the support leg;

drilling a hole in the center of the bottom of the connecting block, wherein the depth of the hole penetrates through the connecting block so as to realize complete connection when the connecting block is connected with the universal wheel, and the size of the hole is preferably 2 mm larger than the outer diameter of a bolt thread of the assembled universal wheel so as to ensure that the universal wheel can be smoothly connected through the drilling hole;

the nut is welded at the drilling hole in a welding mode, and the nut needs to be welded firmly so as to prevent falling and damage;

the universal wheels are purchased commercially, and the common finished products in the market are selected according to the sizes of the chair legs;

after a connecting screw rod of the universal wheel is fastened on the connecting block through a nut, the middle bulge part of the connecting block provided with the universal wheel is forcefully placed at the bottom of the supporting leg, so that the bulge part is tightly attached to the groove part at the bottom of the supporting leg, the assembly of one supporting leg is completed, and the wheel slide addition of the supporting leg of the common office chair is completed by sequentially assembling and installing other supporting legs;

furthermore, the connecting block is processed by adopting a metal material, and the mode of saving cost and durability is processed by adopting a common steel bar or plate.

Furthermore, the connecting blocks can be freely customized according to the sizes of different chair legs, and the universal wheels are purchased according to actual conditions, so that the device can adapt to the refitting of different non-roller office chairs.

The effective benefits of the utility model are as follows:

1. the utility model makes the original common office chair have the function similar to a swivel chair, is convenient to move after being modified, and has obvious effect especially for the personnel of the clamping desk type office desk; and when the chair moves, no harsh noise is generated, and the sliding friction to the ground is changed into rolling friction, so that the friction strength is reduced, and the damage to the ground due to the friction of the chair is effectively prevented or slowed down.

2. The utility model is based on the existing office chair, and achieves the roller skating transformation of the office chair by adding a part of small parts under the condition of not purchasing new furniture, thereby being convenient to implement and saving office expenses.

Drawings

Fig. 1 is a schematic view of a coupling block according to the utility model.

Detailed Description

The implementation of the present utility model is specifically described below with reference to the accompanying drawings.

The utility model designs the transition part, which is convenient for connecting the chair support leg and the universal wheel of the desk and chair accessory, so that the common desk and chair has the pulley, and the effect of convenient action and use is achieved.

After the office building is transformed by a company enterprise, the original office desk is changed into a clamping table, the clamping table is not provided with a swivel chair, and the office chair also continues to use the original common 4-leg backrest chair. The problems that exist for this purpose are as follows:

1. because the reservation of the clamping platform is very limited in the effective range of the movement of people, and the office chair is not a swivel chair matched with the clamping platform, the moving or entering and exiting of the clamping platform by people is very difficult:

2. because of the small reserved area of the clamping table, an office worker must move the chair every time the office worker enters and exits the clamping table, or the office worker cannot enter and exit the clamping table;

3. if the metal supporting legs of the office chair and the ground transition piece are plastic pads, the office chair is extremely fragile and has the situation that metal and the ground are directly rubbed, firstly, the ground is easy to damage, secondly, the office chair emits harsh noise, noise pollution is caused, and normal office is influenced;

in order to solve the problems, the following proposal is specially conceived: because the conditions are limited, on the premise of not purchasing a new chair, on the basis of the original chair, the universal wheel is used for connecting the chair and the desk and chair fittings by designing a part, so that the ordinary office has the effect of a swivel chair. The coupling is shown in figure 1, and practice proves that the coupling has good use effect and can achieve expected effect;

specific values of the dimensions of the coupling are given in fig. 1, which need to be determined according to the specific measurement fit of the model of the chair; in actual use, the size of the connecting piece can be determined according to actual requirements.

The roller skate additional device comprises a nut, a connecting block and a universal wheel, wherein the connecting block is of a bottom rectangle, a middle bulge type structure, and the size of the bottom rectangle is determined according to the size of the bottom of a specific chair leg and is slightly larger than the bottom of the chair leg;

the size of the middle bulge is determined by two ways, if the chair support leg is of a metal hollow structure, the size of the middle bulge is equal to the hollow size of the support leg and slightly smaller than the size, so that the bulge part of the connecting block can be matched with the hollow position of the support leg and can be tightly attached; if the chair support leg is of a solid structure made of other materials, when the sectional area of the support leg is larger than that of the connecting block, the support leg is tightly attached to the support leg in a groove form in which the chiseling and the bulge at the bottom of the support leg can be tightly attached, and particularly when the sectional area of the support leg is smaller, the convex shape of the connecting block is changed into a connecting cup-shaped structure, and the support leg is tightly attached to the support leg in a form of being sleeved outside the support leg;

drilling a hole in the center of the bottom of the connecting block, wherein the depth of the hole penetrates through the connecting block so as to realize complete connection when the connecting block is connected with the universal wheel, and the size of the hole is preferably 2 mm larger than the outer diameter of a bolt thread of the assembled universal wheel so as to ensure that the universal wheel can be smoothly connected through the drilling hole;

the nut is welded at the drilling hole in a welding mode, and the nut needs to be welded firmly so as to prevent falling and damage;

the universal wheel is purchased commercially, and the common finished products in the market can meet the requirements;

after the universal wheel is fastened on the connecting block through the nut, the connecting block provided with the universal wheel is forcefully inserted into the bottom of the supporting leg, so that the protruding part is tightly attached to the groove part of the bottom of the supporting leg, the assembly of one supporting leg is completed, and the other supporting legs are assembled and installed in sequence, so that the roller skate addition of the supporting leg of the common office chair is completed. In order to achieve close fit between the protruding part and the groove part at the bottom of the supporting leg, the original film structure at the bottom of the supporting leg is cleaned up as much as possible, and the bottom of the supporting leg is kept clean and smooth.

The connecting block is processed by adopting a metal material, so that the cost is saved and the durable mode is that an iron block is adopted for processing;

the connecting blocks can be freely customized according to the sizes of different chair legs, and the universal wheels can be purchased according to actual conditions, so that the utility model can adapt to the refitting of different non-roller office chairs.

The connecting block is a connecting piece for connecting the universal wheels of the desk and chair fittings and the chair, and the structure and the size of the connecting block are in one-to-one correspondence according to the model of the chair to be modified, otherwise, the connecting block cannot be connected or hidden danger of quality and safety occurs in the later period.

Claims (2)

1. The roller skate additively device of the landing leg of the ordinary office chair is characterized by comprising a nut, a connecting block and universal wheels;

the connecting block is of a bottom rectangle and a middle bulge type structure, the size of the bottom rectangle is determined according to the size of the bottom of a specific chair leg and is slightly larger than the bottom of the chair leg;

the size of the middle bulge is determined by two ways, if the chair support leg is of a metal hollow structure, the size of the middle bulge is equal to the hollow size of the support leg and slightly smaller than the hollow size of the support leg, so that the bulge part of the connecting block can be matched with the hollow position of the support leg and can be tightly attached; if the chair support leg is of a non-metal solid structure, when the sectional area of the support leg is larger than that of the connecting block, a groove form in which the bottom of the support leg is chiseled and the protrusions can be tightly attached to the support leg is adopted to be tightly attached to the support leg, and particularly when the sectional area of the support leg is smaller, the protruding shape of the connecting block is changed into a connecting cup-shaped structure, and the support leg is tightly attached to the support leg in a mode of being sleeved outside the support leg;

drilling a hole in the center of the bottom of the connecting block, wherein the depth of the hole penetrates through the connecting block so as to realize complete connection when the connecting block is connected with the universal wheel, and the size of the hole is preferably 2 mm larger than the outer diameter of a bolt thread of the assembled universal wheel so as to ensure that the universal wheel can be smoothly connected through the drilling hole;

the nut is welded at the drilling position in a welding mode.

2. The roller skate extension for legs of conventional office chairs of claim 1 wherein the coupling blocks are fabricated from a metallic material.

Images