CN203852070U - Lumbar muscle strain preventing multifunctional chair - Google Patents

Abstract

The anti-waist damage multifunctional seat includes a seat body composed of a support frame, a seat board, a backrest and an armrest. The front side of the seat body is provided with a blocking double-knee mechanism, and the blocking double-knee mechanism includes an angle adjustment rod, Extension rod, support rod, horizontal rod, first baffle and second baffle, the rear end of the angle adjustment rod is hinged on the front side of the lower part of the seat plate, the angle adjustment rod is a hollow tubular structure, and the extension rod is inserted at the angle by the front end of the angle adjustment rod. Inside the adjustment rod, there is an axial telescopic positioning structure between the inner wall of the angle adjustment rod and the extension rod. The middle part of the horizontal rod is hinged at the front end of the extension rod. , the support rod is located between the first baffle and the second baffle and the upper end of the support rod is hinged on the horizontal rod. The utility model has the advantages of simple structure, reasonable design and convenient use. It only needs to add a blocking knee mechanism under the existing seat, so as to realize the requirements of preventing waist damage and providing an integrated comfortable lying frame.

Description

Anti-waist damage multifunctional seat

technical field

The utility model relates to a seat, in particular to a multifunctional seat for preventing waist damage.

Background technique

When people use a chair, due to the difference in the ergonomic design of the chair and the difference in the body shape of the individual, the same chair will have different feelings for different people. After the investigation, I found a very interesting problem. When people use chairs, especially the popular office swivel chairs, they always "slip" down from the chair unconsciously, which makes it easy to "suspend" the waist. Because many swivel chairs have the function of reclining, the front and back of the chair are not fixed and have a certain degree of elasticity. People like to lean back when relaxing, to rock the seat, which pushes the hips forward and causes the lumbar to hang in the air. And in the case of a lumbar pad, it will also cause suspension. At the same time, when the buttocks are pushed forward, the trousers will also put a certain amount of pressure on the male external genitalia. If the riding posture is not adjusted in time, it will cause various discomforts to the body after sitting for a long time. Also after the survey, it was found that people like to put their legs on the reclining frame (low stool with feet) when they are resting. Many existing chairs do not directly provide this function, and some of them are also caused by structural design defects. Not very comfortable to use.

Utility model content

In order to solve the deficiencies in the prior art, the utility model provides an anti-waist injury multi-function device with reasonable design, simple structure, which can prevent the body from "slipping", and can be used as a comfortable lying frame through position conversion. Functional seat.

In order to solve the above-mentioned technical problems, the utility model adopts the following technical scheme: the anti-waist damage multifunctional seat includes a seat body composed of a support frame, a seat board, a backrest and an armrest, and the front side of the seat body is provided with a blocking double The knee mechanism, the blocking knee mechanism includes an angle adjustment rod, an extension rod, a support rod, a horizontal rod, a first baffle and a second baffle, the rear end of the angle adjustment rod is hinged on the front side of the lower part of the seat plate, and the angle adjustment rod is hollow Tubular structure, the extension rod is inserted into the angle adjustment rod by the front end of the angle adjustment rod, an axial telescopic positioning structure is set between the inner wall of the angle adjustment rod and the extension rod, the middle part of the horizontal rod is hinged at the front end of the extension rod, the first baffle and the second The two baffles are left and right symmetrical about the horizontal bar and are arranged on the horizontal bar respectively, the support bar is located between the first baffle plate and the second baffle plate and the upper end of the support bar is hinged on the horizontal bar;

The axial telescopic positioning structure includes two guide grooves axially opened along the inner wall of the angle adjustment rod, a guide block arranged on the outer wall of the extension rod and capable of sliding along the guide grooves, and a spring button arranged on the angle adjustment rod, and the outer wall of the extension rod At least two grooves are evenly arranged in the axial direction, and the distance between two adjacent grooves is 2mm. The inner end of the spring button radially passes through the angle adjustment rod and is pressed into the groove.

The support rod includes an upper rod and a lower rod, the upper end and the lower end of the upper rod are respectively hinged with the horizontal rod and the lower rod, and the lower end of the lower rod is provided with a supporting rubber pad.

The first baffle and the second baffle are covered with elastic pads respectively.

Adopting the above-mentioned technical solution, the main design idea of the utility model is to use the first baffle and the second baffle to block the knees, prevent the hips from moving forward and prevent the body from sliding, thereby preventing the waist from being suspended in the air and preventing waist injuries. At the same time, the first baffle and the second baffle after being turned up can ensure that there is enough strength to support the weight of the legs of the person under the support of the support rod touching the ground, so as to achieve the purpose of being transformed into a comfortable lying frame.

When it is necessary to block the knees, turn the angle adjustment lever forward, and keep the first baffle and the second baffle in a vertical state. Depending on the actual situation, different people can pull the spring button to make the inner end of the spring button break away from a groove , and then pull the extension rod forward or push back, the guide block moves axially along the guide groove to ensure that the extension rod can only move axially and not rotate, release the spring button, and the inner end of the spring button is connected to the top of another groove Press fit, this adjusts the proper position of the first bezel and the second bezel. When people sit on the seat board, their knees are blocked by the first baffle and the second baffle, so that the body is prevented from slipping forward and the waist is "suspended".

When the first baffle and the second baffle are turned up to a horizontal state, the upper and lower rods are respectively extended and supported on the ground, and at the same time, the extension rod is adjusted to pull the extension rod out to a suitable position, so that the sitting Place the two lower legs on the first baffle plate and the second baffle plate on the seat plate, and the utility model can be transformed into a comfortable lying frame for use.

When not in use, the extension rod is fully inserted into the angle adjustment rod, and the upper support rod, the lower support rod and the angle adjustment rod are folded under the seat plate.

The elastic pads provide good comfort for blocking the knees and supporting the calves, and take into account the elasticity and breathability.

To sum up, the utility model is simple in structure, reasonable in design, and easy to use. It only needs to add a blocking knee mechanism under the existing seat, so as to realize the needs of preventing waist damage and providing an integrated comfortable lying frame.

Description of drawings

Fig. 1 is the side structure schematic diagram of the utility model being used to block two knees state;

Fig. 2 is a schematic diagram of the three-dimensional structure of the utility model for blocking two knees;

Fig. 3 is a schematic diagram of the three-dimensional structure of the utility model transformed into a state of a comfortable lying frame;

Fig. 4 is a three-dimensional structural schematic diagram of the blocking knee mechanism folded under the seat plate in the utility model;

Fig. 5 is a schematic diagram of the axial telescopic positioning structure between the angle adjustment rod and the extension rod in the present invention.

Detailed ways

As shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, the anti-waist damage multifunctional seat of the utility model includes a seat body composed of a support frame 1, a seat plate 2, a backrest 3 and an armrest 4 , the front side of the seat body is provided with a blocking knee mechanism, which includes an angle adjustment rod 5, an extension rod 6, a support rod, a horizontal rod 8, a first baffle plate 9 and a second baffle plate 10, and an angle adjustment rod 5 The rear end is hinged on the lower front side of the seat plate 2, the angle adjustment rod 5 is a hollow tubular structure, the extension rod 6 is inserted in the angle adjustment rod 5 by the front end of the angle adjustment rod 5, and the inner wall of the angle adjustment rod 5 and the extension rod 6 are provided with Axially telescopic positioning structure, the middle part of the horizontal rod 8 is hinged on the front end of the extension rod 6, the first baffle 9 and the second baffle 10 are left and right symmetrical about the horizontal rod 8 and are respectively arranged on the horizontal rod 8, and the support rod is located on the first baffle 9 and the second baffle plate 10 and the upper end of the support rod is hinged on the horizontal rod 8.

The axial telescopic positioning structure includes two guide grooves 11 axially opened along the inner wall of the angle adjustment rod 5, a guide block 12 arranged on the outer wall of the extension rod 6 and capable of sliding along the guide grooves 11, and a spring button arranged on the angle adjustment rod 5 13. The outer wall of the extension rod 6 is evenly provided with at least two grooves 14 along the axial direction, and the distance between two adjacent grooves 14 is 2 mm. The inner end of the spring button 13 passes through the angle adjustment rod 5 radially and presses it in groove 14.

The support bar comprises an upper pole 7 and a lower pole 15, the upper end and the lower end of the upper pole 7 are respectively hinged with the horizontal bar 8 and the lower pole 15, and the lower end of the lower pole 15 is provided with a non-slip supporting rubber pad 16.

The first baffle 9 and the second baffle 10 are covered with elastic pads respectively.

Referring to Fig. 1 and Fig. 2, when the knees need to be blocked, the angle adjustment lever 5 is turned forward, and the first baffle 9 and the second baffle 10 remain in a vertical state, and different people can pull the spring button according to the actual situation. 13. Make the inner end of the spring button 13 break away from a groove 14, and then pull the extension rod 6 forward or backward, and the guide block 12 moves axially along the guide groove 11, ensuring that the extension rod 6 can only move axially without rotating , loosen the spring button 13, and the inner end of the spring button 13 is press-fitted with another groove 14, so that the proper positions of the first baffle plate 9 and the second baffle plate 10 are adjusted. When people sit on the seat board 2, their knees are blocked by the first baffle 9 and the second baffle 10, so that the body is prevented from slipping forward and the waist is "suspended".

Referring to Fig. 3, when the first baffle plate 9 and the second baffle plate 10 are turned up to a horizontal state, the upper pole 7 and the lower pole 15 are respectively expanded and supported on the ground, and at the same time, the extension rod 6 is adjusted so that the extension rod 6 Outwards pull out to suitable position, just sit on seat board 2 and place two shanks on the first baffle plate 9 and the second baffle plate 10 like this, the utility model can be transformed into the comfortable lying frame use.

Referring to FIG. 4 , when not in use, the extension rod 6 is fully inserted into the angle adjustment rod, and the upper support rod 7 , the lower support rod 15 and the angle adjustment rod are folded under the seat plate 2 .

This embodiment does not impose any formal restrictions on the shape, material, structure, etc. of the utility model. Any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the utility model belong to the technology of the utility model. protection scope of the program.

Claims (3)

1. anti-waist damages multifunction seat, comprise by bracing frame, seat board, the seat body that backrest and handrail form, it is characterized in that: described seat body front side is provided with and stops Shuan Xi mechanism, the described Shuan Xi of stopping mechanism comprises angle adjustment lever, extension rod, support bar, horizon bar, the first baffle plate and second baffle, angle adjustment rod rear end is hinged on seat board lower front side, angle adjustment lever is hollow tubular structure, extension rod is plugged in angle adjustment lever by angle adjustment lever front end, between angle adjustment lever inwall and extension rod, be provided with axial stretching location structure, horizon bar middle part is hinged on extension rod front end, the first baffle plate and second baffle are symmetrical and be located at respectively on horizon bar about horizon bar, support bar between the first baffle plate and second baffle and post upper be hinged on horizon bar,

Described axial stretching location structure comprises two gathering sills axially offering along angle adjustment lever inwall, is located at extension rod outer wall the guide pad that can slide along gathering sill and is located at the spring button in angle adjustment lever, extension rod outer wall is evenly provided with at least two grooves vertically, distance between adjacent two grooves is 2mm, and the inner of spring button is radially pressed in groove through angle adjustment lever top.

2. anti-waist according to claim 1 damages multifunction seat, it is characterized in that: described support bar comprises upper rack posts and lower fulcrum bar, and upper rack posts top and bottom are hinged with horizon bar and lower fulcrum bar respectively, and lower fulcrum bar lower end is provided with support rubber cushion.

3. anti-waist according to claim 1 and 2 damages multifunction seat, it is characterized in that: described the first baffle plate and second baffle are coated with respectively elastic insert outward.