JP3170562U - Folding seat support table - Google Patents

Abstract

A foldable seat support table is provided. A foldable seat support table includes a fixed shaft, a first rotary shaft, a rotary joint, a second rotary shaft, and a support plate. Make a fixed connection to the chair. As a result, the first rotary shaft and the fixed shaft can be connected to each other by positioning hinges, and the rotary joint and the first rotary shaft can be connected to each other by positioning hinges. A positioning-type hinge connection can be established between the rotary shaft and the rotary joint. By installing the support plate on the second rotating shaft, the support plate has an angle adjustment function at multiple angles. [Selection] Figure 2

Description

  The present invention relates to a foldable seat support table. By fixedly connecting a fixed shaft and a chair, the first rotary shaft and the fixed shaft can be connected to each other by positioning hinges. It is possible to connect the first rotary shaft to the positioning-type hinge, and to enable the second rotary shaft and the rotary joint to be connected to the positioning-type hinge. Installed above, the support plate is adjustable in angle and is configured to change multiple angles.

  As humankind has improved its standard of living, there has been an increasing demand for humans to make their chairs multifunctional. Currently, there are various types of chairs such as office chairs, conference chairs, and home chairs. In order to satisfy the requirements of human reading and use of personal computers, the following two types of structures are generally used: Adopted.

  1. It is similar to an aircraft seat, and a support plate is provided on the back side of the front chair. Thus, there must be another chair on the front of the chair, which is the case in the home or office. There was clearly a defect that could not be realized. {Health}

  2. One support plate is additionally provided on the armrest on one side of the chair. With such a structure, an effect of simply placing the support plate is obtained, but it does not have any function of adjusting the position. {Health}

  The foldable seat support table according to the present invention was made to overcome the above-mentioned inadequate disadvantages in which the current technology exists, and has a clever structure and needs for use. Provide a folding seat support table that can be adjusted accordingly.

  The purpose of the present invention is to be realized by the following technical scheme. The foldable seat support table includes a fixed shaft, a first rotary shaft, a rotary joint, a second rotary shaft, and a support plate, and the fixed shaft and the chair are fixedly connected, The first rotary shaft and the fixed shaft can be connected to each other by positioning hinges, and the rotary joint and the first rotary shaft can be connected to each other by positioning hinges. A positioning type hinge connection can be made to the rotary joint, and a support plate is installed on the second rotary shaft. Accordingly, since the multi-directional adjustment function is provided between the first rotary shaft, the second rotary shaft, the rotary joint, and the support plate, the use angle and direction of the support plate can be determined for the user. It is possible to easily adjust to the most comfortable state, and it is possible for the user to read or operate a notebook computer using the support plate, so as to meet the ergonomic requirements.

It is a figure which shows the folding state of this invention. It is a figure which shows the operation state of this invention (the 1). It is a figure which shows the operation state of this invention (the 2). It is a figure which shows the operation state of this invention (the 3). It is a reference figure which shows the use condition of this invention. 1 is a structural diagram of the present invention. It is a structural diagram showing the back of the support plate of the present invention. It is an assembly drawing which shows the support plate of this invention.

  In order to more fully understand the present invention, the preferred embodiments of the present invention will be described in detail later with reference to the accompanying drawings with regard to the structure and functions and effects that can be achieved.

  As shown in FIGS. 6 and 7, the foldable seat support table includes a fixed shaft 1, a first rotary shaft 2, a rotary joint 3, a second rotary shaft 4, and a support plate 5. The fixed shaft 1 and the chair can be fixedly connected, and the first rotary shaft 2 and the fixed shaft 1 can be hingedly connected with each other, and the rotary joint 3 and the first rotary shaft 2 are positioned. The second rotary shaft 4 and the rotary joint 3 can be hinge-connected to each other, and the sliding block 20 on the lower surface of the support plate 5 is connected to the second rotary shaft 4 and the rotary joint 3. It is comprised so that the outer periphery of the rotating shaft 4 may be enclosed.

  The fixed shaft 1 and the chair stand leg are fixedly connected (however, not limited to being fixed on the stand leg, it may be fixed to the seat surface of the chair, or simply the purpose of assembling the fixed shaft 1 to the chair And the connection method is bolt joining. The hinge connection structure between the first rotating shaft 2 and the fixed shaft 1 includes a first hinge shaft 6 having four engagement positions 61, a first spring 7, and a button 8. The spring 7 surrounds the outer periphery of the first hinge shaft 6, and the button 8 is installed at one end of the first hinge shaft 6 and positioned so that the four engagement positions 61 are in the fixed shaft notch 9. Configured to lock.

  The hinge connection structure between the rotary joint 3 and the first rotary shaft 2 includes a second hinge shaft 10, a locking block 11, and a second spring 12, and the locking block 11 is a second spring. The locking block 11 is configured to lock into the rotary joint notch 13 when pressed and positioned.

  The hinge connection structure between the second rotary shaft 4 and the rotary joint 3 includes a third hinge shaft 14, a round head 15, a third spring 16, and a spring cap 17 (illustrated in FIG. 8). The round head 15 and the third spring 16 are covered with a spring cap 17, the third spring 16 abuts on the round head 15, and the round head 15 abuts on the tooth position 18 of the rotary joint 3. Configured as follows.

  A pedestal 19 and a sliding block 20 are installed on the lower surface of the support plate 5, the support plate 5 and the pedestal 19 are hinged, and the pedestal 19 is fixedly mounted above the sliding block 20, and slides on the pedestal 19. The connection method with the block 20 is bolt joining.

  A positioning seat 21 having three through holes 211 is installed on the lower surface of the support plate 5, and the positioning seat 21 has a head seat surface 22 having three heads 23 (the head seat surface 22 has a long through hole). 221 is provided, and is joined to the positioning seat 21 via a screw and becomes a slidable rail from the long through-hole 221). The fourth spring 24 and the head 25 are inserted into the base 19. The fourth spring 24 is in contact with the insertion head 25, and the insertion head 25 passes through the passage 211 of the positioning seat 21 (the insertion head 25 selects any one passage hole 211 of the positioning seat 21). After being inserted and positioned, and press-contacted to the head seating surface 22, the head 25 can be pressed and pushed out so as to release the positioning action of engagement. With such a structure, the support plate 5 realizes the rotation angles of the three holding positions so that humans can respond to various requests for various angles for reading and using a personal computer.

  A blocking block 26 is hinged to the lower edge of the support plate 5, and the blocking block 26 is used to prevent a book or personal computer from slipping downward. Two presser levers 27 are hinged on both lower sides of the upper edge of the support plate 5. The presser lever 27 is covered with a presser lever cover 28, and a rubber block 29 is fixed inside the presser lever 27. The presser lever 27 is used for pressing a page of a book or holding a personal computer from the rear side.

  In the second embodiment, the parts not described are the same as those in the first embodiment. The difference from the first embodiment is that the support plate 5 is directly fixed to the upper surface of the second rotating shaft 4 and the sliding block 20 is fixed. Instead of the block, the shape of this fixed block can be arbitrarily designed according to customer's request, and the fixing method is agile bonding, direct spiral bonding, bolt bonding, rivet bonding or brazing. It is a point that can be adopted.

  In the third embodiment, the parts not described are the same as those in the first embodiment. The difference from the first embodiment is that one slide groove is formed in the second rotating shaft 4 and the lower part of the slide block 20 is provided. Similarly, the sliding function is realized by inserting in the slide groove.

  The specific implementation method described above is the best embodiment of the present invention and does not add any limitation to the scope of claims of the present invention. As long as they do not depart from the spirit and scope of the technical solution of the present invention, such effect modification or change shall still be included in the protection scope of the present invention.

The operation process of the present invention is shown in FIGS.
As shown in FIG. 1, the entire support table is folded and stored.

  As shown in FIG. 2, the button 8 is pressed to move the engagement position 61 of the first hinge shaft 6 away from the fixed shaft notch 9, and the first rotary shaft 2 can be rotated 90 degrees upward. When the position is reached, the button 8 is removed, the four engaging positions 61 are locked to the fixed shaft notch 9, and the first rotating shaft 2 is positioned.

  As shown in FIG. 3, when the rotary joint 3 is rotated 90 degrees upward and positioned, the second spring 12 abuts on the locking block 11 upward, and the locking block 11 is in the rotary joint notch 13. Lock to.

  As shown in FIG. 4, the second rotating shaft 4 is rotated sideways according to the actual required angle, the third spring 16 abuts on the round head 15, and the round head 15 is connected to the rotary joint 3. The support plate 5 is projected along the second rotating shaft 4 after the second rotating shaft 4 is positioned.

  As shown in FIG. 5, the insertion head 25 is inserted into one of the three through holes 211 of the positioning seat 21 on the lower surface of the support plate 5, and the head seat surface 22 is pushed to The head 23 is inserted and protrudes from the head 25. In this case, the support plate 5 can be rotated upward and adjusted to a required position. Rotate the blocking block 26 upward and place the book or laptop computer, then rotate the presser lever 27 upward and press the page of the book with the presser lever 27, or hold the laptop computer from the back .

  After the use is completed, it is necessary to push the locking block 11 in advance when the support table is folded and stored by operating in the reverse direction and the rotary joint 3 is rotated.

  The present invention has the following advantages over the current technology. This foldable seat support table structure is new and clever, using multiple hinge connection structure and parallel movement structure to open and fold the support table for storage and use it in the human body when opening it The distance between the second rotating shaft 4 and the body can be adjusted and the angle of the support plate 5 can be adjusted so as to meet the requirements suitable for the above. On the other hand, after folding and storing, there is no aesthetic effect on the chair, and no space is wasted.

1: fixed shaft 2: first rotating shaft 3: rotating joint 4: second rotating shaft 5: support plate 6: first hinge shaft 61: engagement position 7: first spring 8: button 9: fixed Shaft notch 10: Second hinge shaft 11: Locking block 12: Second spring 13: Rotating joint notch 14: Third hinge shaft
15: Round countersunk head 16: Third spring 17: Spring cap 18: Tooth position 19: Pedestal 20: Sliding block 21: Positioning seat 211: Passage hole 22: Head seating surface 221: Long through hole
23: Head 24: Fourth spring 25: Inserted head 26: Blocking block 27: Presser lever 28: Presser lever cover
29: Rubber block

Claims (8)

A foldable seat support table, comprising a fixed shaft, a first rotating shaft, a rotating joint, a second rotating shaft, and a support plate,
The fixed shaft and the chair are fixedly connected so that the first rotary shaft and the fixed shaft can be hinged with a positioning type, and the rotary joint and the first rotary shaft are positioned with a positioning type. The second rotating shaft and the rotary joint can be hinged, and the support plate is installed on the second rotating shaft. A foldable seat support table. The folding shaft according to claim 1, wherein the fixed shaft and the stand leg of the chair are fixedly connected, and a connection method thereof is a direct spiral joint, a bolt joint, a rivet joint, or a braze joint. Seat support table. The hinge connection structure of the first rotating shaft and the fixed shaft includes a first hinge shaft having four engagement positions, a first spring, and a button, and the first spring is Surrounding the outer periphery of the first hinge shaft, when the button is installed and positioned at one end of the first hinge shaft, the four engagement positions are locked to the fixed shaft notch. The foldable seat support table according to claim 1. The hinge connection structure between the rotary joint and the first rotary shaft includes a second hinge shaft, a lock block, and a second spring, and the lock block presses the second spring. The foldable seat support table according to claim 1, wherein, when positioned, the locking block is locked to the rotary joint notch. The hinge connection structure between the second rotary shaft and the rotary joint includes a third hinge shaft, a round head, a third spring, and a spring cap, and the round head and the third head. The said spring cap is covered with the said spring cap, The said 3rd spring contact | abuts to the said round disc head, The said round disc head contacts the tooth | gear position of the said rotation joint, It is characterized by the above-mentioned. Folding seat support table. A pedestal and a sliding block are installed on the lower surface of the support plate, the support plate and the pedestal are hingedly connected, and the pedestal is fixedly mounted above the sliding block. The pedestal and the sliding block The connection method is adhesive bonding, direct spiral bonding, bolt bonding, rivet bonding or brazing, and the sliding block surrounds the outer periphery of the second rotating shaft. Folding seat support table as described in 1. A positioning seat having three through holes is installed on the lower surface of the support plate. A head seat surface having three heads is accommodated and installed in the positioning seat, and a fourth spring is inserted into the base. The folding seat according to claim 1, wherein a head is provided, the fourth spring abuts on the insertion head, and the insertion head is inserted into one of the through holes. Support table for. A blocking block is hinged to the lower edge of the support plate, and two presser levers are hinged to both lower surfaces of the upper edge of the support plate. The presser lever is covered with a presser lever cover, and the presser lever The foldable seat support table according to any one of claims 1 to 7, wherein a rubber block is fixed inside the seat.

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