KR20040106184A - Seat Apparatus Having Variable Gap - Google Patents

Abstract

PURPOSE: A seat assembly is provided which is capable of adjusting a distance between a pair of seats in a simple manner even in use and allows a user to maintain the adjusted distance at his/her option. CONSTITUTION: The seat assembly comprises: a pair of seats(21) movable in opposite directions; a pair of moving plates(24) on which the seats(21) are mounted, respectively; a base(23) for supporting the moving plates(24) to be capable of moving in opposite directions; a rotation shaft(26) rotatably mounted on the base(23) and adjusting a distance between the seats(21) while rotating forward/backward; a lever(25) for rotating the rotation shaft(26); connecting portions(30) formed at centers of inner sides of the respective moving plates(24) and coupled to a pair of guide grooves(27a) of a distance adjusting unit(27); and a plurality of support blocks(28) slidably moving on the rotation shaft(26).

Description

Seat device with adjustable spacing {Seat Apparatus Having Variable Gap}

The present invention relates to a seat apparatus capable of adjusting a spacing, and more particularly, to a seat apparatus capable of adjusting a spacing of a seat according to a user's body shape by dividing the seat in which the user sits.

Generally, people who sit for a long time in a chair have a sore throat. Here, the lumbar pain refers to pain occurring in the tailbone (尾骨) attached to the end of the lumbar spine.

In addition, it is very difficult for a person with hemorrhoids to maintain a sitting position for a long time.

As such a chair for alleviating the pain of people with lumbar pain or hemorrhoids, there is a chair having a divided seat registered in Korean Utility Model Registration No. 20-0260631 filed and filed by the present applicant.

The design disclosed in the Utility Model Registration No. 20-0260631 is that the interval of the seat seated on the seat is adjustable by the user at arbitrary intervals. For this purpose, the bottom of the pair of seats is adjustable The linkage of the structure is mounted.

However, in the conventional chair, after the user releases the fixed state through the fixing part in the state where the user has risen in the seat part to adjust the gap during use, after adjusting the gap by pulling or pushing one of the seats, There is an uncomfortable problem in using the seat to be fixed through the government.

In addition, since the interval adjustment of the sheet is formed only at regular intervals and is made only by the first fixing hole and the second fixing hole fixed by the fixing pin, fine spacing adjustment is difficult.

Accordingly, the present invention has been made in view of the problems of the prior art, the object of which is to provide a sheet device capable of adjusting the spacing of the seat during use, and allowing the user to freely maintain the adjusting spacing at a desired distance. It is.

Further, another object of the present invention is easy to adjust the spacing of the sheet divided in the center, it is possible to maintain the desired adjustment interval, the seat device which can be used as a car seat with a blowing function through the divided space of the center To provide.

1 is a perspective view for explaining a chair according to the present invention.

2A to 2C are views for explaining a state in which the seat is narrowed in the present invention.

3A to 3C are views for explaining a state in which the seat is expanded in the present invention.

Figure 4 is an exploded perspective view for explaining the structure of the sheet in the present invention.

5 is a plan view for explaining another embodiment of the present invention.

Figure 6 is a plan view for explaining another embodiment of the present invention.

Explanation of symbols on the main parts of the drawings

10: backrest 20: base

50: support part

In order to achieve the above object, the present invention is a pair of seats capable of opposing movement; A pair of moving plates mounted on the bottom surfaces of the pair of sheets to face each other; A base for supporting the pair of moving plates to be opposed to each other; A rotating shaft rotatably mounted on an upper surface of the base; It is formed in the form of a circumferential one end is wide and the other end is formed a pair of guide grooves are formed in the middle of the rotating shaft; Drive means connected to one end of the rotating shaft to rotate the rotating shaft; One end of each of which is coupled to a pair of guide grooves formed in the gap adjusting part, and the other end of the pair of connection parts fixed to a corresponding position of the moving plate corresponding to the guide groove of the gap adjusting part; And a guide means for guiding the moving plate to move in the axial direction on the base, and a pair of movements in which a pair of connecting portions are coupled to a pair of guide grooves by rotating the rotating shaft forward / backward by the driving means. Provided is a sheet apparatus capable of adjusting the spacing, characterized in that the spacing between the plate and the sheet is adjusted.

The guide means is composed of a plurality of support blocks, one end of which is slidably coupled to the rotary shaft and whose upper end surface is fixed to the lower surface of each movable plate, or the movement path of each movable plate is the same as the axial direction. It consists of a pair of roller grooves formed parallel to the axial direction on the upper surface of the base and a plurality of rollers respectively mounted on the lower surface of each moving plate to be inserted into the roller groove to move.

In addition, the present invention is configured to further include at least one other seat mounted at at least one position selected from the front end and the rear end of the base.

In addition, the present invention is independently two pairs of sheets that can be moved oppositely; Two pairs of moving plates each mounted on the lower surfaces of the two pairs of sheets to face each other independently; A base for supporting the two pairs of movable plates to be independently opposed to each other; Two rotating shafts rotatably mounted on an upper surface of the base; A pair of guide grooves formed in a circumferential shape, one end of which is wide and the other end of which is narrow; Two driving means connected to one end of each of the two rotary shafts to rotate each of the rotary shafts, respectively; One end is coupled to each of the pair of guide grooves respectively formed in the two gap adjusting units, and the other end thereof is two pairs fixed at corresponding positions of the respective moving plates respectively corresponding to each guide groove of the two gap adjusting units. Connection; It also provides a seat apparatus capable of adjusting the spacing, characterized in that it comprises two guide means for guiding the two pairs of moving plate to move axially on the base.

The two guide means is composed of a plurality of support blocks, one end of which is slidably coupled to each of the rotary shafts and whose top surface is fixed to the lower surface of each of the movable plates, Two roller grooves are formed on the upper surface of the base in parallel with the axial direction so as to be equal to the direction, and are mounted on the lower surface of each moving plate so as to be inserted into the two roller grooves and moved. It consists of.

(Example)

Hereinafter, with reference to the accompanying drawings showing a preferred embodiment of the present invention described above in more detail.

As shown in FIG. 1, a chair having a seat capable of adjusting an interval according to the present invention will be described using a general chair equipped with a backrest 10 and a support 50.

Accordingly, the backrest 10 or the armrest 15 may be a chair that is not mounted according to the use and the use environment, or may be applied to a chair having a support part of another structure.

As shown in FIGS. 2A to 2C and 3A to 3C, the chair according to the present invention has a structure in which a pair of seats 21 constituting the pedestal 20 reciprocates sideways. The interval of the seat 21 can be adjusted, the structure for this will be described in detail with reference to FIG.

The pair of sheets 21 are mounted on the pair of moving plates 24, respectively. To this end, fixing plates 33 for seat fixing are formed at front and rear ends of the movable plate 24 and fixed to each other by screws through a plurality of holes formed in the fixing plates 33.

In the center of the inner end of the moving plate 24 is attached a connecting portion 30 coupled to the pair of guide grooves 27a of the gap adjusting portion 27.

In addition, a pair of support plates 31 are attached to the front and rear of the lower surface of the movable plate 24, and two rollers 32 are mounted at both ends of one side of the support plate 31, respectively. 32 are respectively inserted into and moved to the pair of roller grooves 23b opposed to each other, formed laterally before and after the inner surface of the base 23 to be described below.

The roller 32 serves to move in a straight line by engaging with the roller groove 23b and to support the roller 23 so as not to bend downward with respect to the base 23 while the moving plate 24 moves. To serve.

In addition, since the movable plate 24 is coupled to the base 23 by the support plate 31 and the roller 32 with a space therebetween, in order to prevent entry of the substance from the outside through the side, A first plate 24a is formed at each front and rear end, and a second plate 24b is formed at each side end.

The base 23 which allows the pair of moving plates 24 to reciprocate sideways has a third, which separates the space formed therein from the outside at the front and rear ends thereof corresponding to the first plate 24a. A plate 23a is formed, and a blocking plate 34 for blocking an opening surface generated when the movable plate 24 is opened is fixed to each center of the third plate 23a.

In addition, a pair of bearings 29 are installed at both ends of the center of the base 23, and the rotating shaft 26 is rotatably mounted to the bearings 29.

In the center of the rotating shaft 26 is fixed to the gap adjusting portion 27 is coupled to the guide groove (27a), the gap adjusting portion 27 is formed on the circumferential surface, the front portion is a gap This narrow back part is wide.

Therefore, the spacing of the pair of guide grooves 27a formed on the circumferential surface of the spacing adjuster 27 is also narrow at the front and wide at the rear.

As shown in FIG. 2C or FIG. 3C, the gap adjusting unit 27 is fixedly coupled to the rotating shaft 26 through an extension part 27b on a concentric circle about the rotating shaft 26.

In addition, a plurality of support blocks 28 (sliding two in each embodiment) are mounted on the rotating shaft 26 to support the central portion of the moving plate 24, and at the same time, the rotating shaft ( It also serves as a guide to the linear movement by moving arm along 26). Therefore, the upper height of the support block 28 should be formed to be the same as the inner surface height of the moving plate 24.

When the rotary shaft 26 is rotated upward by the lever 25 in a state in which the connecting portion 30 of the movable plate 24 is coupled to the guide groove 27a of the gap adjusting portion 27 formed as described above. Since the interval adjusting part 27 also rotates together, the interval of the connection part 30 coupled to the guide groove 27a changes according to the rotation angle of the gap adjusting part 27.

That is, in the state where the narrowest portion of the guide groove 27a formed in the gap adjusting unit 27 is in contact with the connecting portion 30, the shortest distance is maintained, so that the moving plate 24 is in close contact with the sheet ( 21) also remains in close contact (see FIGS. 2A-2C).

On the contrary, in the state where the widest portion of the guide groove 27a is in contact with the connecting portion 30, the sheet 21 maintains the longest distance (FIGS. 3A to 3C).

Therefore, in order to maintain a desired interval, when the user stops in the adjusted state at the interval of the desired seat 21 while rotating or rotating the rotary shaft 26 in the upward direction using the lever 25, the adjusted In this state, the interval of the seats 21 is maintained.

In the embodiment of the present invention, the lever 25 is used as a driving means for rotating the rotary shaft 26. However, in some cases, the motor may be implemented using a motor capable of forward and reverse rotation.

In the embodiment of the present invention, the spacing adjustment by the guide groove 27a formed in the spacing adjuster 27 is made of 0 to 25mm on one side, so that the spacing is adjusted within a range of about 0 to 50mm by combining both sides. However, it may be formed to be adjusted to a wider or narrower interval.

When explaining the assembly process of the present invention configured as described above with reference to FIG.

After mounting the support block 28 on the rotating shaft 26 is fixed to the center of the upper surface of the base 23 by using the bearing (29). Here, the lever 25 is connected to one end of the rotating shaft 26.

Then, the connecting portion 30 fixed to the center of the inner end of the movable plate 24 is inserted into the guide groove 27a of the gap adjusting unit 27, and the upper end of the support block 28 is moved plate 24 Secure with screws through the coupling holes formed in the

When the movable plate 24 is assembled as described above, as shown in Fig. 2C or 3C, the roller 32 is inserted into the roller groove 23b.

In the state in which the movable plate 24 is mounted on the base 23 as described above, the blocking plate 34 is fixed to the front and rear centers of the base 23 with screws.

Then, the seat 21 is fixed to the fixing plate 33 of the movable plate 24 with a screw.

In the assembled state as described above, the upper end of the base 50 is assembled in the center of the lower surface of the base 23, the lower end of the armrest 15 is fixed to both sides of the base 23, the base ( The lower end of the backrest 10 is fixed to the rear end of 23).

At this time, the armrest 15 is fixed to both ends of the base 23 should be coupled at a suitable interval in consideration of the moving distance of the moving plate 24.

In the embodiment of the present invention as described above has been described by taking a general chair as an example, the backrest 10, the support 50, the armrest 15 except for the seat 20 and the separate manufactured for the vehicle The back seat can also be used to construct a car seat.

In other words, in order to implement the seat 20 according to the present invention as an automobile seat, a separate slide coupling means may be provided at a lower portion of the base 23 to allow the seat 20 to slide on the seat rail mounted on the vehicle. It can be mounted on a surface and mounted on a car seat rail.

Then, in order to make the driving environment comfortable in the vehicle seat structure configured as described above, after removing the blocking plate 34 from the components of the seat 20, a blower having a blowing function or a blowing duct is provided with the seat 21. It is also possible to install in the middle position.

Meanwhile, in the above embodiment, the structure of the sheet is divided into two, but is described as an example. As illustrated in FIG. 5, the sheet is configured into four, and the two pairs of sheets 21a and 21b are provided in separate spacing controllers. It may also be possible to adjust the spacing by.

In order to do this, as in the embodiment shown in Figs. 1 to 4, the movable plate, the support plate, the roller, the rotating shaft, the lever, the gap adjusting part, the support block, the roller groove, etc., correspond to the two pairs of sheets 21a, 21b. Components should be composed of two sets.

In addition, as shown in Fig. 6, the front seat 21d and the rear seat 21e, which are moved or fixed forward or backward, are mounted around the pair of seats 21c moving sideways, respectively. It can also be implemented.

In the case of the embodiment of FIG. 6, since the front seat 21d and the rear seat 21e do not need to move at the same time, they are configured as separate moving means for moving each.

The moving plate equipped with the front seat 21d and the rear seat 21e may be implemented as sliding coupling means capable of slidingly moving relative to the base.

And, in order to configure as shown in Figure 6, in addition to the structure constituting the base so that the moving portion moving relative to the base can be moved to the front and rear. Of course, when the front seat 21d and the rear seat 21e are simply fixed, it is sufficient to attach additional brackets to the front and rear ends of the base to fix the seat.

The present invention made as described above can be moved left and right by dividing the seat, thereby providing a comfortable seating environment by releasing the pressure applied to the affected part in the center of the hip, and facilitates the right and left movement of the seat, and blowing The function provides a comfortable seating environment.

In addition, by applying the present invention to an automobile seat, the driver's driving environment can be maintained comfortably.

In the above, the present invention has been illustrated and described with reference to specific preferred embodiments, but the present invention is not limited to the above-described embodiments and the general knowledge in the technical field to which the present invention pertains without departing from the spirit of the present invention. Various changes and modifications will be made by those who possess.

Claims (7)

A pair of sheets capable of opposing movement; A pair of moving plates mounted on the bottom surfaces of the pair of sheets to face each other; A base for supporting the pair of moving plates to be opposed to each other; A rotating shaft rotatably mounted on an upper surface of the base; It is formed in the form of a circumferential one end is wide and the other end is formed a pair of guide grooves are formed in the middle of the rotating shaft; Drive means connected to one end of the rotating shaft to rotate the rotating shaft; One end of each of which is coupled to a pair of guide grooves formed in the gap adjusting part, and the other end of the pair of connection parts fixed to a corresponding position of the moving plate corresponding to the guide groove of the gap adjusting part; Guide means for guiding the moving plate to move axially on the base, Spacer adjustable seat device, characterized in that the distance between the pair of moving plate and the seat coupled to the pair of the coupling portion coupled to the pair of guide grooves by rotating the rotating shaft forward / reverse by the drive means . The method of claim 1, wherein the guide means is one end of which is slidably coupled to the rotating shaft, the interval adjustment is characterized in that the upper surface is composed of a plurality of support blocks fixed to the lower surface of each moving plate Seat device available. 2. The guide means according to claim 1, wherein the guide means is inserted into the roller groove and a pair of roller grooves formed parallel to the axial direction on the upper surface of the base to make the movement path of the respective moving plates the same as the axial direction. And a plurality of rollers mounted on lower surfaces of the respective moving plates so as to move. 8. The apparatus of claim 1, further comprising at least one other seat mounted at at least one of the front end and the rear end of the base. Two pairs of sheets that are independently opposed to each other; Two pairs of moving plates each mounted on the lower surfaces of the two pairs of sheets to face each other independently; A base for supporting the two pairs of movable plates to be independently opposed to each other; Two rotating shafts rotatably mounted on an upper surface of the base; A pair of guide grooves formed in a circumferential shape, one end of which is wide and the other end of which is narrow; Two driving means connected to one end of each of the two rotary shafts to rotate each of the rotary shafts, respectively; One end is coupled to each of the pair of guide grooves respectively formed in the two gap adjusting units, and the other end thereof is two pairs fixed at corresponding positions of the respective moving plates respectively corresponding to each guide groove of the two gap adjusting units. Connection; And two guide means for guiding the two pairs of moving plates to move axially on the base. The method of claim 5, wherein the two guide means is one end of which is slidably coupled to each of the rotating shaft, characterized in that the upper surface is composed of a plurality of support blocks fixed to the lower surface of each of the moving plate Seat device with adjustable spacing. 6. The guide unit according to claim 5, wherein the guide means has two pairs of roller grooves formed on the upper surface of the base in parallel with the axial direction so as to make the movement path of the respective moving plates the same as the axial direction. And a plurality of rollers, each of which is mounted on a lower surface of each moving plate so as to be inserted into a roller groove and move.