WO2016150254A1

WO2016150254A1 - Director's chair

Info

Publication number: WO2016150254A1
Application number: PCT/CN2016/073027
Authority: WO
Inventors: 杨宝庆
Original assignee: 浙江泰普森创意设计有限公司
Priority date: 2015-03-25
Filing date: 2016-02-01
Publication date: 2016-09-29
Also published as: CN204797227U

Abstract

A director's chair, wherein each of the side faces thereof has a mutually intersecting crossbar (2, 3, 4), and the bottom ends of the crossbars are hinged with a foot pad (1); the side with the front crossbar (2) also has a telescopic rod (6), and a seat rod sliding sleeve (7) is also provided at the rear crossbar (3); a hinge connection connects each bar and rod piece, and each bar and rod piece can rotate around the axis of the hinge; the front crossbar (2), a crossbar of a second side (42) and a seat rod (5) are in telescopic joint connection on the telescopic rod (6), and can drive the connected crossbars (2, 42) and the seat rod (5) to move up and down; and the seat rod (5) can slide along a first sliding groove or a first sliding hole inside the seat rod sliding sleeve (7) such that the seat rod (5) folds up. Since the foot pad (1) is connected to each of the crossbars (2, 3, 4) and the rotation of the seat rod (5) is realized by means of the seat rod sliding sleeve (7), using the telescopic rod (6) to drive each of the crossbars (2, 3, 4) to fold upwards can realize the folding of the director's chair in two planar directions, thereby folding same into a bundle.

Description

Director's chair

The present application claims the priority of the Chinese Patent Application, filed on March 25, 2015, which is hereby incorporated by reference.

Technical field

The invention relates to the technical field of seats, and in particular to a director chair.

Background technique

The director's chair is a foldable seat that is often referred to as a director's chair because it is often used in film crews. It consists mainly of a seat frame and a seat surface. Because it can be folded and easily carried, the director's chair is often used in outdoor sports as well as in outdoor work.

The existing director's chair adopts two U-shaped frames, and is arranged as an X-shaped cross structure on the front, rear or left and right sides, and the two U-shaped frames can be rotated around the hinge point of the intersection to realize the face folding. Although the surface folding is realized, in practice, the surface folding still occupies a large space area and volume; and the surface folding structure is easy to spread during the handling process, and is not very convenient to carry.

Summary of the invention

In order to solve the problem that the existing director's chair folding method takes up a large space and a large volume, and the surface folding structure is easy to spread during the handling process, the present invention provides a new director's chair.

The present invention provides a director's chair, including a foot pad, a front cross bar, a rear cross bar, a side cross bar, and a seat bar; a lower end of the front cross bar, a lower end of the rear cross bar, and a lower end of the side cross bar Separatingly with the foot pad; the side cross bar is divided into a first side cross bar and a second side cross bar;

Also includes a telescopic rod and a seat post sliding sleeve;

The telescopic rod has at least two expansion joints that can be elongated in the axial direction, and two adjacent expansion joints can slide relative to each other;

a lower expansion joint of the telescopic rod is hinged to a bottom end of the first side cross rod or a bottom end of the front cross rod side or a front cross rod;

An upper section of the telescopic joint is respectively hinged with an upper end of the second side cross bar, an upper end of the front cross bar, and a front end of the seat post;

The seatpost sliding sleeve is respectively hinged with an upper end of the first side crossbar and an upper end of the rear crossbar;

The seat rod is sleeved in the first sliding slot or the first sliding hole of the seat sleeve sliding sleeve, and is slidable along the first sliding slot or the first sliding hole;

The rear end of the seat post has a seat post limiting portion; the seat post limiting portion limits the seat post from the first sliding slot or the first sliding hole.

Since the foot pads are connected to the respective cross rods and the seat rods are rotated by the seat rod sliding sleeves, the telescopic rods are used to drive the upward folding of the respective cross rods; the folding of the director's chair in the two faces can be realized, and the folding of the bundles is realized.

Preferably, the seat cover is sleeved in the first sliding slot; the seat post has a snap groove; the seat surface is snap-fitted in the snap groove; The snap groove corresponds to an opening in the first sliding slot.

Since the seat surface has a snap-on slot engaging seat surface, the seat post is sleeved in the first sliding slot of the seat post sliding sleeve, and the seat surface can slide along the opening on the first sliding slot to the rear side of the seat post sliding sleeve, which is convenient Folding of the seat.

Preferably, the telescopic rod has two sections of telescopic joints.

Preferably, the utility model further comprises a backrest bar, a backrest sliding sleeve and a backrest surface;

a lower end of the backrest bar is hinged to a lower end of the second side cross bar or a lower end of the rear cross bar side or the rear cross bar;

The back cover sliding sleeve is hinged with the upper end of the first side cross rod or the seat tube sliding sleeve; the back sliding sleeve is sleeved outside the backrest rod and can slide along the backrest rod;

The backrest surface is mounted at an upper end of the backrest bar.

The backrest rod and the backrest sliding sleeve are arranged, and the backrest sliding sleeve can be used to slide the backrest rod to realize the folding of the backrest rod, and the folding of the backrest surface can also be realized; the utility of the director's chair is improved while achieving the folding of the bundle. .

Also includes a grab bar and a handrail slide;

The armrest sliding sleeve has a first component and a second component; the first component and the second component are rotatable relative to each other;

The first component is mounted on the backrest bar;

The grab bar is sleeved in the second sliding slot or the second sliding hole of the second component, and is slidable along the second sliding slot or the second sliding hole;

The front end of the grab bar is hinged to the upper section of the telescopic rod;

The rear end of the armrest has an armrest limiting portion; the armrest limiting portion restricts the armrest from being disengaged from the second sliding slot or the second sliding hole.

The handrail bar and the armrest sliding sleeve are arranged, and the handrail bar can be used to slide along the handrail sliding sleeve to realize the folding of the handrail bar, and the folding of the handrail can be further improved, and the comfort of the director chair is further improved.

Preferably, the seat post limiting portion is a seat bar shackle installed at a rear end of the seat post; the armrest limiting portion is a stair plug attached to a rear end of the armrest.

Preferably, the handrail bar further has an armrest connector; the armrest connector is mounted at a front end of the armrest; and the armrest bar is hinged to the upper node of the telescopic rod by the armrest connector.

Preferably, the rear end of the grab bar is hinged to the backrest bar.

DRAWINGS

1 is a schematic view showing an open state of a director's chair according to an embodiment of the present invention;

2 is a schematic view showing the explosion of each component of the director's chair according to an embodiment of the present invention;

3 is a schematic view showing a first half-folded state of a director's chair according to an embodiment of the present invention;

4 is a schematic view showing the second half folding state of the director's chair according to the embodiment of the present invention.

Figure 5 is a schematic view showing the fully folded state of the director's chair in the embodiment of the present invention.

detailed description

In order to make those skilled in the art better understand the technical solutions of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

1-4 are schematic diagrams showing the open state of the director's chair, the exploded structure of each component, the half-folded state, and the fully folded state, respectively, according to an embodiment of the present invention. The relationship of the connection of the components of the director's chair in this embodiment can be seen from the combination of 1 and FIG. 2; the positional relationship of the various components of the director's chair in different folded states can be seen from FIGS. 3, 4 and 5.

The director's chair in the embodiment of the present invention includes a foot pad 1, a front cross bar 2, a rear cross bar 3, a side cross bar 4, a seat post 5, a telescopic rod 6 and a seat post sliding sleeve 7. Each of the four foot pads 1 has an axis of hinge that is substantially 90° to each other. The front cross bar 2, the rear cross bar 3 and the side cross bar 4 are composed of two intermediate hinged bars, and the lower ends of the respective bars are respectively An articulated shaft on the foot pad 1 is hinged. The side cross bar is divided into a first side cross bar 41 and a second side cross bar 42; wherein the bottom end of the first side cross bar 41 and the foot pad connecting the front cross bar 2 are hinged, and the bottom end of the second side cross bar 42 is The foot pads of the cross bar 3 are hinged after being connected.

The telescopic rod 6 in this embodiment has two joint expansion joints, and the two joint expansion joints can slide along the axial extension direction of the telescopic rod 6, but cannot be disengaged; the bottom joint of the telescopic rod 6 is also the lower expansion joint and the first side. The bottom region of the cross bar 41 is hinged, and the front end of the seat post 5, the upper end of the second side cross bar 42 and the upper end of the front cross bar 2 are respectively hinged to the upper portion of the telescopic rod 6. In the present embodiment, the upper telescopic section of the telescopic rod 6, the front end of the seat post 5, the upper end of the second side cross bar 42 and the upper end of the front cross bar 2 are hinged by the first hinge axis. It should be noted that the upper telescopic section of the telescopic rod 6 should have a certain overlapping area with the lower telescopic section at the lower side of the first hinge shaft, and the overlapping area ensures that the telescopic rod 6 is extended by the rear side cross rod 4 and the front cross rod 2 The rods that intersect each other can be substantially folded and overlapped. It can be understood that in other embodiments of the present invention, the upper telescopic joint of the telescopic rod 6 can also be respectively hinged with the front end of the seat post 5, the upper end of the second side cross bar 42 and the upper end of the front cross bar 2 through different hinge axes; However, at this time, the upper section of the telescopic rod 6 needs to have more hinge points, and the structural strength of the upper section of the telescopic rod 6 is lowered, and the processing is complicated, which is not advantageous for application.

It should be noted that the upper and lower ends of the respective crossbars are relative concepts and cannot be understood narrowly as only the end regions of the respective crossbars; but in the more preferred case, it can be understood as the end regions of the respective crossbars.

The upper end of the rear cross bar 3 and the upper end of the second side cross bar 42 are respectively hinged to the seat post sliding sleeve 7. In the present embodiment, the upper end of the rear crossbar 3 and the upper end of the second side crossbar 42 are hinged to the seatpost sleeve 7 by a second hinge shaft. As described above, the upper end of the rear cross bar 3 and the upper end of the second side cross bar 42 can also be hinged to the seat post sliding sleeve 7 by different hinge axes, but at this time, the seat post sliding sleeve 7 needs to have more hinge points to be processed. Not convenient.

The seat post sliding sleeve 7 has a first sliding groove, and the seat post 5 can be sleeved in the first sliding groove of the seat post sliding sleeve 7 to slide along the first sliding groove. The rear end portion of the seat post 5 further has a seat post limiting portion. When the rear end of the seat post 5 slides to the first sliding slot, the seat post limiting portion snaps into the seat post sliding sleeve 7 so that the seat post sliding sleeve 7 cannot be disengaged. Seatpost 5.

From the above analysis, it can be understood that the seat in this embodiment is in an open state when the upper expansion joint of the telescopic rod 6 overlaps the lower and lower expansion joints of the telescopic rod 6 to the greatest extent. If the upper telescopic section of the telescopic section is pulled up, the front cross bar 2 and the second side cross bar 42 are moved upward; because the second side cross bar 42 moves upward, the foot pad 1 and the rear of the front cross bar 2 are caused. The foot pads 1 at the cross bar 3 are close to each other, so that the first side cross bar 41 also moves upward; The distance between the upper end of the fork lever 41 and the upper end of the second side crossbar 42 is reduced, and the seatpost 5 slides rearward along the first sliding slot on the seatpost sleeve 7, realizing the folding of the director's chair. Since the above process is a reversible process, pushing the seatpost 5 to slide rearward along the first sliding groove on the seatpost sleeve 7, it is also possible to cause the respective crossbars to move upward and to move the upper section of the telescopic rod 6 upward. Conversely, if the force is applied in the opposite direction, the opening of the director's chair can be achieved.

It can be easily imagined that the telescopic rod 6 has a telescopic function, which is a necessary condition for the director chair of the embodiment to be collapsible; in other embodiments, the telescopic rod 6 can also be arranged in a multi-section structure as long as it can be correspondingly realized. The telescopic function can be. The telescopic rod 6 in this embodiment adopts an upper telescopic joint and a lower telescopic joint of a socket connection; in other embodiments, a telescopic rod 6 having a sliding groove can also be used.

It should be noted that when the director chair of the embodiment is opened, the limit function is realized by the upper end of the front cross and the upper end of the second side cross bar 42. It can also be said that the first hinge shaft functions as a telescopic joint on the telescopic rod 6. The limiting function can also be provided in the upper section of the telescopic rod 6 in other embodiments, and the limiting protrusion can be used to ensure the overlapping amount of the upper section and the lower section in the open state.

It is conceivable that, as with the fixing function of the telescopic rod 6, the lower telescopic joint can also be hinged to the lower end of the foot pad 1 on the front cross bar 2 side or the front cross bar 2.

In the present embodiment, the seat post 5 slides along the first sliding slot in the seatpost sleeve 7; in other embodiments, the first sliding slot can also be provided in the form of a first sliding aperture. In this embodiment, the seat post 5 has a snap groove, and the seat surface 8 is snapped into the snap groove. Since the first sliding groove has an opening, the seating surface 8 is slidable along the opening of the first sliding groove to the rear side of the seatpost sliding sleeve 7. If the first sliding hole is used, the seat surface 8 needs to be sleeved on the seat post 5 and can satisfy the folding function. When folding the director's chair, the seat surface 8 can be folded into a smaller area.

In order to enable the leaning, the director's chair of the present embodiment further has a backrest bar 9, a backrest sliding sleeve 10 and a backrest surface 11. The lower end of the backrest rod 9 is hinged with the lower end of the second side cross rod 42; the back sleeve 10 is sleeved on the backrest and can slide up and down along the backrest rod 9; the back sleeve 10 is also hinged to the upper end of the first side cross rod 41; The backrest is mounted on the upper end of the backrest bar 9. With such a configuration, when the director's chair is folded, the second side cross bar 42 drives the back shoe 10 to slide upward, and the rear cross bar 3 draws the distance of the two back bars 9 so that the back face 11 is folded. The lower end of the backrest bar 9 is hinged to the lower end of the second side cross bar 42 and the back bushing 10 is hinged to the upper end of the first side cross bar 41 to serve as a two-point fixed connection. The function of the back bar 9 is analyzed from the principle. The lower end of the backrest bar 9 can also be hinged to the lower end of the rear leg side pad 1 or the rear cross bar 3, and the backrest sliding sleeve 10 can also be hinged with the seat tube sliding sleeve; 10 can also be hinged to the upper end of the rear crossbar 3 or the seatpost sleeve 7.

In order to better realize the function of the director's chair, the director's chair in this embodiment further has a handrail bar 12 and an armrest sliding sleeve 13; the armrest sliding sleeve 13 includes a first component and a second component; the first component and the second component can slide each other . The front end of the grab bar 12 is hinged to the upper third hinge shaft of the telescopic rod 6; the first member is mounted on the backrest bar 9; the handrail bar 12 is sleeved to slide in the second sliding groove of the second member. When the director's chair is folded, the grab bar 12 slides along the armrest sleeve 13 to the rear side of the backrest bar 9, and the second member rotates relative to the first member, causing the handrail bar to be folded in the vertical direction. At the rear end of the handrail bar 12, there is also an armrest limiting portion that prevents the armrest from coming off the second sliding groove. In other embodiments, a second sliding hole may be disposed in the armrest sliding sleeve 13, and the grab bar 12 slides along the second sliding hole.

According to the above analysis, it can be seen that the third hinge shaft must be located on the upper side of the first hinge shaft to realize the function of the handrail. Preferably, the third hinge shaft is located at the end of the telescopic joint of the telescopic rod 6, and the first hinge shaft is located at the middle of the upper portion of the telescopic rod 6.

In this embodiment, the seatpost limiting portion is a seat bar that is attached to the rear end of the seatpost 5, and the armrest limiting portion is an armrest plug 15 attached to the rear end of the armrest. Other types of seatpost stops and armrest stops can be utilized in other embodiments. From the principle analysis, if there is a grab bar 12 and an armrest plug 15, in the case of a suitable size, the armrest plug 15 realizes the limit fixing of the seat post limit portion, and one of the stuffy plugs can be functionally retained.

In practical applications, the hand is often placed on the handrail bar 12, and the front end of the handrail bar 12 may have a clothing or skin if it has a corresponding gap. The front end of the handrail bar 12 therefore also has an armrest connector 14 which is hinged to the upper section of the telescopic rod 6.

In the present embodiment, the grab bar 12 is folded in the same manner as the seat post 5. In other embodiments, the handrail bar 12 can also be folded in a flipping manner, as follows: the front end of the handrail bar 12 is still hinged in the embodiment, and the rear end is hinged to the backrest bar 9; when the director chair needs to be folded The upper section of the telescopic rod 6 drives the front end of the handrail bar 12 to move upward, and the handrail bar 12 rotates around the hinge shaft hinged with the backrest bar 9 to achieve the folding in the vertical direction.

In this embodiment, each of the rods is a hollow tube member, and the hollow tube member is widely used in the industry. In this embodiment, the director's chair can be folded and the corresponding bag or package can be used. Installed.

The director's chair in the above embodiment of the present invention has been described in detail. The present invention has been described with reference to specific examples. The foregoing description of the embodiments of the present invention is only for the purpose of understanding the embodiments of the present invention. And modifications, such modifications and modifications are also intended to fall within the scope of the invention.

Claims

A director's chair includes a foot pad (1), a front cross bar (2), a rear cross bar (3), a side cross bar (4) and a seat post (5); a lower end of the front cross bar (2), a lower end of the rear cross bar (3) and a lower end of the side cross bar (4) are respectively hinged with the foot pad (1); the side cross bar (4) is divided into a first side cross bar (41) And a second side crossbar (42);

The utility model is characterized in that the utility model further comprises: a telescopic rod (6) and a seat post sliding sleeve (7);

The telescopic rod (6) has at least two expansion joints that can be elongated in the axial direction, and two adjacent expansion joints are relatively slidable;

a lower telescopic section of the telescopic rod (6) and a bottom end of the first side crossbar (41) or a bottom pad (1) or a bottom end of the front crossbar (2) on the side of the front crossbar (2) Hinged

The upper section of the telescopic section is respectively hinged with an upper end of the second side cross bar (42), an upper end of the front cross bar (2), and a front end of the seat post (5);

The seatpost sliding sleeve (7) is respectively hinged with an upper end of the first side crossbar (41) and an upper end of the rear crossbar (3);

The seat post (5) is sleeved in the first sliding slot or the first sliding hole of the seat sleeve sliding sleeve (7), and is slidable along the first sliding slot or the first sliding hole;

The rear end of the seat post (5) has a seat post limiting portion; the seat post limiting portion limits the seat post (5) from the first sliding slot or the first sliding hole.
The director's chair according to claim 1, further comprising a seat surface (8); the seat post (5) is sleeved in the first sliding groove; and the seat post (5) has a card a socket; the seat surface (8) is snap-fitted in the latching slot; the latching slot corresponds to an opening in the first sliding slot.
The director's chair according to claim 2, characterized in that the telescopic rod (6) has two sections of telescopic joints.
The director's chair according to any one of claims 1 to 3, further comprising a backrest lever (9), a backrest sliding sleeve (10) and a backrest surface (11);

a lower end of the backrest bar (9) and a lower end of the second side crossbar (42) or the foot pad (1) or the rear crossbar (3) of the rear crossbar (3) side Hind at the lower end;

The back cover sliding sleeve (10) is hinged with the upper end of the first side cross bar or the seat tube sliding sleeve; The back cover sliding sleeve (10) is sleeved outside the backrest rod (9) and slidable along the backrest rod (9);

The backrest surface (11) is mounted on the upper end of the backrest bar (9).
The director's chair according to claim 4, further comprising a handrail lever (12) and an armrest sliding sleeve (13);

The armrest sleeve (13) has a first member and a second member; the first member and the second member are rotatable relative to each other;

The first component is mounted on the backrest bar (9);

The grab bar (12) is sleeved in the second sliding slot or the second sliding hole of the second component, and is slidable along the second sliding slot or the second sliding hole;

The front end of the grab bar (12) is hinged to the upper section of the telescopic rod (6);

The rear end of the armrest has an armrest limiting portion; the armrest limiting portion restricts the armrest from being disengaged from the second sliding slot or the second sliding hole.
The director's chair according to claim 5, wherein the seat post (5) limiting portion is a seat bar shackle attached to the rear end of the seat post (5); the armrest limiting portion is mounted on The armrest at the rear end of the armrest is stuffed (15).
The director's chair according to claim 6, wherein the handrail bar (12) further has an armrest connector (14); the armrest connector (14) is mounted at a front end of the armrest; (12) articulated with the upper section of the telescopic rod (6) by the armrest connector (14).
A director's chair according to claim 5, characterized in that the rear end of the handrail bar (12) is hinged to the backrest bar (9).