CN101721062A - Synchronously-adjusted armrest group - Google Patents

Abstract

The invention relates to a synchronously-adjusted handrail group, which comprises: the two fixed seats are respectively arranged on the first side and the second side of the seat cushion, and the fixed seats form a transverse sliding chute; the first sliding seat is arranged on the fixed seat at the first side of the seat cushion and is arranged in the sliding groove in a sliding manner; the second sliding seat is arranged on the fixed seat at the second side of the seat cushion and is arranged in the sliding groove in a sliding manner; and the linkage device is arranged on the two sliding seats in a spanning mode and is used for linking the two sliding seats to synchronously slide.

Description

Synchronously adjusted armrests

technical field

The invention relates to a seat, in particular to a seat armrest set capable of synchronously adjusting the armrests on both sides.

Background technique

Please refer to US Patent No. US 6296313 "ADJUSTING DEVICE FOR ANARMREST OF A CHAIR". Holes, corresponding to the bottom edges of the round holes are provided with two retaining edges respectively, and an upper adjustment button is passed through; a convex post is arranged at the side end of the upper adjustment button, which is slidably positioned in the corresponding round hole by means of a spring sleeve, and the spring One end pushes against the retaining edge in the round hole, and the other round hole is provided with an upper fastening button, and the upper fastening button and the upper adjustment button pass through an L-shaped bracket oppositely, and are fixed with screws to form a sliding positioning adjustment structure; The vertical end of the L-shaped bracket slides through and is positioned in the armrest seat. The center of the vertical end is a guide groove structure composed of a symmetrical clamping round hole and a chute. The circular hole is clamped to position the positioning cylinder at the side end of the clamping button. The L-shaped bracket is horizontal A concave hole is set on the bottom surface of the end, and accommodates a spring and a fastening button, and slides through the setting to be located in a bracket seat; the bracket seat is a rectangular hollow seat body, with fixed ears on the periphery and integrally screwed on a pad At the bottom of the bottom, a guide groove structure consisting of a symmetrical clamping hole and a chute is pierced in the center of the bottom surface; a convex column is connected to the top of the lower adjustment button, and passes through the guide groove structure of the bracket seat upwards to be screwed on the lower clamping button. The positioning cylinder at the bottom makes the positioning cylinder of the lower clamping button embedded and fixed in the clamping hole, and the convex column of the lower adjusting knob slides in the guide groove structure of the bracket base in a horizontal and horizontal adjustment, so that the L-shaped bracket and the armrest are aligned left and right. shifted state.

However, the existing left and right sliding adjustment structure of the handrail can only adjust the handrails on both sides separately, causing the two sides of the handrail after adjustment are often asymmetrical, and the existing left and right sliding structure is to use the two adjustment positions of the spring and the locking button to fix or Release the armrest seat, and after adjusting one side, you need to adjust the width of the other side, which is not only cumbersome, but also not easy to adjust to the symmetry of the two sides. The above problems need to be improved urgently.

Accordingly, the present invention seeks to obviate or at least alleviate the problems encountered in the background art.

Contents of the invention

The technical problem to be solved by the present invention is to provide a synchronously adjusted armrest set for the above-mentioned deficiencies in the prior art.

The main purpose of the present invention is that the linking device can link the two sliding seats to produce synchronous sliding, and only need to adjust the armrest on one side to make the armrest on the other side adjust and slide synchronously.

Another object of the present invention is that the positioning device can selectively position the sliding seat, and the linkage device cooperates to achieve the purpose of quick adjustment and quick positioning.

In order to achieve the above object, the technical scheme adopted in the present invention comprises:

A synchronously adjusted armrest set is characterized in that it includes:

Two fixing seats are respectively arranged on the first side and the second side of the seat cushion, and the fixing seats form a transverse chute;

A first sliding seat is arranged on the fixed seat on the first side of the seat cushion, and the first sliding seat is slidably arranged in the chute;

A second sliding seat is arranged on the fixed seat on the second side of the seat cushion, and the second sliding seat is slidably arranged in the chute;

A linking device is arranged between the two sliding seats, and the linking device links the two sliding seats to produce synchronous sliding.

In order to achieve the above object, the technical scheme adopted in the present invention comprises:

A synchronously adjusted armrest set is characterized in that it includes:

A base is arranged on the bottom surface of the seat cushion;

Two fixing seats are respectively arranged on both sides of the base, and the two fixing seats are slidingly arranged on the base along the front and rear longitudinal directions;

A linkage device is arranged between the two fixing seats, and the linkage device links the two fixing seats to produce synchronous sliding.

Compared with prior art, the beneficial effect that the present invention has is:

1. The "synchronously adjusted armrest set" of the present invention, wherein the present invention only needs to adjust the armrest on one side to make the armrest on the other side adjust and slide synchronously.

2. The "synchronously adjusted armrest set" of the present invention, wherein the positioning device can selectively position the sliding seat, and the linkage device can make the two sliding seats slide synchronously. The interlocking device and the positioning device cooperate to achieve the purpose of quickly adjusting the width of the armrest and quickly positioning.

Description of drawings

Fig. 1 is the three-dimensional appearance diagram of the handrail group of synchronous adjustment of the present invention;

Fig. 2 is the three-dimensional exploded view of the armrest set synchronously adjusted in the present invention;

Fig. 3 is the bottom view of the armrest set synchronously adjusted by the present invention;

Fig. 4 is a schematic cross-sectional view of the synchronously adjusted armrest set of the present invention;

Figure 5 is a continuation of Figure 4, showing a partial enlarged view of the cross-sectional structure;

Fig. 6 is an action diagram of the armrest group synchronously adjusted in the present invention;

7 is an action diagram of the positioning device of the present invention;

Figure 8 is an action diagram of the positioning device of the present invention;

9 is a perspective view of a second embodiment of the present invention;

Fig. 10 is a three-dimensional exploded view of the second embodiment of the present invention;

Fig. 11 is the bottom view of the second embodiment of the present invention;

Fig. 12 is an action diagram of the second embodiment of the present invention;

Fig. 13 is a perspective view of a third embodiment of the present invention;

Fig. 14 is a three-dimensional exploded view of a third embodiment of the present invention;

Figure 15 is a side view of a third embodiment of the present invention;

Fig. 16 is an action state diagram of the third embodiment of the present invention.

Explanation of reference signs: 10-fixed seat; 11-side wall; 12-limiting plate; 13-sliding groove; 14-positioning hole; 15-screw hole; 20-first sliding seat; 21-limiting groove; 22 -perforation; 23-pivot; 20a-second sliding seat; 21a-limiting groove; 22a-perforation; 23a-pivot; 30-linkage device; Interlocking gear; 321-fixed shaft; 33-linkage member; 331-tooth surface; 40-positioning device; 41-pressure rod; 411-pressing part; 412-positioning part; 42-fitting block; ;44-pivot ear; 45-pivot; 46-screw; 50-seat cushion; 51-first side; 52-second side; 60-armrest; Pivot hole; 712-pivot; 72-guide rod; 73-limiting piece; 80-fixed seat; 81-sliding groove; 82-limiting piece; 90-base; 91-adjusting device; 92-adjusting seat; 921 - tooth part; 93 - adjustment gear; 94 - adjustment part; 941 - adjustment part; 901 - first side; 902 - second side.

Detailed ways

Regarding the technology, means and effects used in the present invention, a preferred embodiment is given and described in detail below with drawings, which are for illustration purposes only, and are not limited by this structure in the patent application.

Please refer to FIG. 1 , which is a three-dimensional appearance view of the synchronously adjusted armrest set of the present invention. The present invention includes two fixed seats 10, a first sliding seat 20, a second sliding seat 20a, a linkage device 30 and a positioning device 40 , the two fixed seats 10 are located on both sides of the bottom surface of the seat cushion 50, and the two fixed seats 10 are arranged on the same linear position in the horizontal direction of the seat cushion 50, and the two sliding seats 20, 20a are respectively slidably arranged on the two fixed seats 10, and The linkage device 30 connects the two sliding seats 20 , 20 a so that the two sliding seats 20 , 20 a slide synchronously, and the positioning device 40 can selectively position the first sliding seat 20 .

Please refer to Fig. 2 and Fig. 3, it is the three-dimensional exploded view and the bottom view of the armrest group of synchronous adjustment of the present invention, two fixing seats 10 are respectively arranged on the first side 51 and the second side 52 of the bottom surface of the seat cushion 50, and the fixing seats 10 are in the form of Inverted U shape, so that the fixed seat 10 forms two side walls 11, and each free end of the two side walls 11 is screwed with a limit plate 12, to form the chute 13 of the fixed seat 10, the fixed seat 10 chute 13 is provided with several horizontal The positioning holes 14 and a screw hole 15 are aligned, and the directions of the slide grooves 13 of the two fixing seats 10 are located on the same straight line.

The first sliding seat 20 and the second sliding seat 20a are respectively slid in the slide grooves 13 of the two fixing seats 10 along the transverse direction of the seat cushion 50, and the two armrests 60 are respectively assembled on the two sliding seats 20, 20a.

The first sliding base 20 is provided with an elongated limiting groove 21 relative to the screw hole 15 of the fixing base 10 , so that when the first sliding base 20 slides, the screw hole 15 will be within the interval of the limiting groove 21 . The first sliding seat 20 is provided with a perforation 22 relative to the positioning holes 14. When the first sliding seat 20 slides, the perforation 22 slides on these positioning holes 14. In addition, the first sliding seat 20 is also provided with a linkage device 30 Set of screw holes.

The second sliding base 20a is provided with an elongated limiting groove 21a relative to the screw hole 15 of the fixing base 10 , so that when the second sliding base 20a slides, the screw hole 15 will be within the interval of the limiting groove 21a. The second sliding seat 20a is provided with a perforation 22a relative to the positioning holes 14, so that when the second sliding seat 20a slides, the perforation 22a slides on these positioning holes 14, and the second sliding seat 20a is also provided with an interlocking device 30 Set of screw holes.

The interlocking device 30 is located between the two sliding seats 20, 20a, and the interlocking device 30 drives the two sliding seats 20, 20a to produce synchronous sliding. The interlocking device 30 includes a connecting rod 31, a connecting gear 32 and a connecting The moving part 33, one end of the connecting rod 31 is fixed on the first sliding seat 20 of the seat cushion 50, the other end of the connecting rod 31 is arranged on the second sliding seat 20a and is adjacent to the limit plate 12 of the fixed seat 10, the interlocking gear 32 and the interlocking Part 33 is located on the second sliding seat 20a, and the linking part 33 is adjacent to the limit plate 12 of the different connecting rod 31. The connecting rod 31 and the linking part 33 are parallel and are arranged on the connecting gear. 32 on both sides, and the connecting rod 31 and the linkage 33 cooperate with the linkage gear 32 to form a tooth surface 311, 331 meshed with the linkage gear 32, and the linkage gear 32 is pivotally arranged on a On the fixed shaft 321, the fixed shaft 321 passes through the limiting groove 21a of the second sliding seat 20a and is fixed on the screw hole 15 of the fixed seat 10, so when the connecting rod 31 moves laterally, it will drive the interlocking gear 32, and the interlocking gear 32 rotates Then drive the linkage 33 to move, and cause the second sliding seat 20a fixed on the linkage 33 to slide, so that the two sliding seats 20, 20a slide synchronously by means of the linkage 30, and vice versa.

Referring to Fig. 4 and Fig. 5 at the same time, the positioning device 40 is arranged on the first sliding seat 20, the positioning device 40 includes a pressing rod 41, a fitting block 42 and an elastic member 43, and the first sliding seat 20 can be embedded near the outside A pivot ear 44 is provided for the pivoting of the pressure rod 41, and is pivotally connected with a pivot 45. The two ends of the pressure rod 41 take the pivot ear 44 as the fulcrum to form a pressing part 411 and a positioning part 412 respectively. The pressing part 411 The position is protruded on the outside for pressing to make the pressing rod 41 pivot relative to the sliding seat 20, while the positioning part 412 is assembled with a fitting block 42, and the fitting block 42 matches the hole 22 of the fixing seat 20, and the fitting block 42 is that the sliding seat 20 can be positioned through the perforation 22 and the positioning hole 14. The elastic member 43 is arranged between the pressing rod 41 and the sliding seat 20 and the elastic member 43 is located at one end of the pressing part 411 of the pressing rod 41. The pressing rod 41 Then, a screw member 46 is screwed together to control the pressing depth of the pressing rod 41 , and the elastic member 43 provides the fitting position where the fitting block 42 of the positioning device 40 fits into the positioning hole 14 .

Please refer to FIG. 6 , which is an action diagram of synchronously adjusting the armrest group of the present invention. When the user adjusts the armrest 60, the two sliding seats 20 and 20a will slide synchronously by means of the linkage device 30. When the right handrail 60 is pushed, it will drive The connecting rod 31 fixed on the first sliding seat 20 slides, and the tooth surface 311 of the connecting rod 31 drives the linkage gear 32, and at the same time the linkage gear 32 drives the linkage 33 to slide, so that the left handrail 60 and the right handrail 60 are adjusted synchronously; if the left handrail 60 is pushed, the linkage relation of the linkage 33, the linkage gear 32 and the connecting rod 31 will drive the right handrail 60 to slide synchronously.

Please refer to FIG. 7 and FIG. 8, which are diagrams showing the operating state of the positioning device of the present invention. The positioning device 40 can move between the fitting position and the releasing position. When in the fitting position, the fitting block at the second end of the pressing rod 41 42 fits with the positioning hole 14 to position the first sliding seat 20. When in the release position, the fitting block 42 is separated from the positioning hole 14 so that the first sliding seat 20 can produce lateral sliding adjustment. The positioning device 40 relies on the elastic member 43 Pushing keeps the positioning device 40 at the fitting position. When the width of the armrest 60 needs to be adjusted left and right, the user presses the pressing part 411 of the pressing rod 41 to move the positioning device 40 to the release position to adjust the width. Release the pressing rod 41 to make the positioning device 40 return to the fitting position for positioning.

Please refer to FIG. 9 to FIG. 12 , which are the three-dimensional appearance view and three-dimensional exploded view of the second embodiment of the present invention. The second embodiment of the present invention is roughly the same as the first embodiment, and the feature is that the linkage device 70 includes There is a pivot 71 and two guide rods 72. A pivot hole 711 pivotally arranged on the bottom surface of the seat cushion 50 is arranged in the center of the pivot 71. Shaft 712, a pivot joint 23,23a is respectively set at the opposite end of the two sliding seats 20,20a, and one end of the two guide rods 72 is pivotally connected with the pivot joints 23,23a of the two slide seats 20,20a respectively, and the two guide rods 72 The other ends of the pivot rods 71 are respectively pivotally connected, and the pivot holes 711 of the pivot rod 71 and the pivot joints 23, 23a of the two sliding seats 20, 20a are located at the same transverse linear position, and the two guide rods 72 have the same length. The two sliding seats 20, 20a are fixed on the screw holes 15 (not shown) through the perforations 22, 22a with a stopper 73, so as to limit the sliding range of the sliding seats 20, 20a, so the first sliding seat 20 is pushed. When sliding, the linkage device 70 pivots the second sliding seat 20a to generate synchronous sliding by pivoting the pivot rod 71 at the center, so as to adjust the two armrests 60 synchronously.

Please refer to Figure 13 and Figure 14, which are the perspective view and exploded view of the third embodiment of the present invention. A base 90 is further included between the seat cushions 50. The base 90 is arranged on the bottom surface of the seat cushion 50. The base 90 also has a first side 901 and a second side 902 corresponding to the seat cushion 50. The two fixing seats 80 They are all longitudinally slid on both sides of the base 90 along the front and back of the seat cushion 50, and each of the two fixing seats 80 is provided with a longitudinally extending sliding groove 81, and then a limiting member 82 passes through the sliding groove 81 and is fixed on the base 90. In order to limit the sliding of the fixing seat 80 along the longitudinal direction of the seat cushion 50 . The base 90 cooperates with one of the two fixed seats 80 on one side to set an adjustment device 91 to adjust the front and rear synchronous sliding of the two fixed seats 80. The adjustment device 91 includes an adjustment seat fixed on the fixed seat 80 92. An adjustment gear 93 and an adjustment piece 94. One end of the adjustment piece 94 is embedded in the center of the adjustment gear 93, and the end is pivoted on the base 90. The side of the adjustment seat 92 opposite to the adjustment gear 93 has a The tooth portion 921 geared with the adjustment gear 93 , the adjustment member 94 has an exposed adjustment portion 941 at the end opposite to the adjustment gear 93 for the user to rotate.

Please refer to FIG. 15 and FIG. 16 , which are action diagrams of the third embodiment of the present invention. The adjusting device 91 can allow the user to adjust the front and rear longitudinal positions of the armrest. When the user rotates the adjusting member 94, it will drive the adjusting gear 93 to rotate synchronously. And the adjustment gear 93 drives the adjustment seat 92 to slide back and forth, while the fixed seat 80 produces a longitudinal slip, and the two fixed seats 80 are connected with the linkage device 30 (as shown in Figure 14 ), so that the handrails on both sides can be synchronized. Adjust back and forth.

Can conclude that the present invention has the following advantages with regard to the above:

1. The "synchronously adjusted armrest set" of the present invention, wherein the present invention only needs to adjust the armrest on one side to make the armrest on the other side adjust and slide synchronously.

2. The "synchronously adjusted armrest set" of the present invention, wherein the positioning device can selectively position the sliding seat, and the linkage device can make the two sliding seats slide synchronously. The interlocking device and the positioning device cooperate to achieve the purpose of quickly adjusting the width of the armrest and quickly positioning.

The above description is only illustrative of the present invention, rather than restrictive. Those of ordinary skill in the art understand that many modifications, changes or equivalents can be made without departing from the spirit and scope defined in the claims, but All will fall within the protection scope of the present invention.

Claims (15)

1. A synchronously adjusted armrest group, characterized in that: comprising: Two fixing seats are respectively arranged on the first side and the second side of the seat cushion, and the fixing seats form a transverse chute; A first sliding seat is arranged on the fixed seat on the first side of the seat cushion, and the first sliding seat is slidably arranged in the chute; A second sliding seat is arranged on the fixed seat on the second side of the seat cushion, and the second sliding seat is slidably arranged in the chute; A linking device is arranged between the two sliding seats, and the linking device links the two sliding seats to produce synchronous sliding. 2. The synchronously adjusted armrest set according to claim 1, characterized in that: the linkage device includes a connecting rod, a linkage gear and a linkage piece, and one end of the linkage is fixed on the on the first sliding seat, the linkage is fixed on the second sliding seat, and the linkage gear connects the connecting rod and the linkage for the The connecting rod and the link move synchronously. 3. The synchronously adjusted armrest set according to claim 2, characterized in that: one end of the connecting rod straddles the second sliding seat, the connecting rod and the linkage are parallel and It is arranged on both sides of the linked gear, and the connecting rod and the linked piece cooperate with the linked gear to form a tooth surface meshing with the linked gear. 4. The synchronously adjusted armrest set according to claim 3, characterized in that: the second sliding seat cooperates with the interlocking gear to provide a transverse limit groove, and the fixed seat cooperates with the The limiting groove is provided with a screw hole, and the fixed shaft passes through the interlocking gear and the limiting groove and is fixed in the screw hole to limit the movement of the second sliding seat. slip range. 5. The synchronously adjusted armrest set according to claim 1, characterized in that: the linkage device includes a pivot and two guide rods, and the center of the pivot is provided with a pivot hole for pivoting on on the seat cushion, and the pivot hole is pivotally arranged on a pivot in the center between the two fixed seats, and the two ends of the pivot are respectively pivotally connected with one end of the two guide rods, and the two guide rods The other end of the rod is respectively pivoted on the first sliding seat and the second sliding seat for synchronous sliding of the two sliding seats. 6. The synchronously adjusted armrest set according to claim 5, characterized in that: the first sliding seat and the second sliding seat cooperate with the two guide rods to respectively set a pivot joint, and the two pivot joints are connected to The centers of the pivot rods are located on the same horizontal straight line position. 7. The synchronously adjusted armrest group according to claim 1, 2, 3 or 5, characterized in that: each of the two sliding seats is provided with a transverse limit groove, and the fixed seat is matched with the A screw hole is set in the limiting groove, and one end of the two sliding seats passes through the limiting groove and fixes the screw hole to limit the sliding range of the two sliding seats. The two fixing seats are located at the same transverse position. 8. The synchronously adjusted armrest set according to claim 1, characterized in that: said first sliding seat is provided with a positioning device, said positioning device can selectively position said sliding seat, and said first sliding seat The fixing seat on one side is provided with several positioning holes arranged horizontally, and the first sliding seat is provided with a perforation relative to the positioning hole, and the positioning device can pass through the perforation and fit in the The positioning hole positions the first sliding seat. 9. The synchronously adjusted handrail set according to claim 8, characterized in that: the positioning device includes a pressing bar, a fitting block and an elastic member, and a pivot ear is provided on the first sliding seat , the pressing rod is horizontally pivoted in the pivot ear, and the pressing rod is provided with a fitting block relative to the through hole, and the fitting block can pass through the through hole to fit The first sliding seat is positioned in the positioning hole, the elastic member is arranged on the end of the pivot ear opposite to the fitting block, and the elastic member is arranged on the first sliding seat and between the pressure bars. 10. The synchronously adjusted handrail set according to claim 1, characterized in that: the fixed seat is in the shape of an inverted U to form two side walls, and the transverse slide groove is formed between the two side walls, and the two side walls A limiting plate is also provided at the free ends to limit the two sliding seats in the chute. 11. A synchronously adjusted armrest set, characterized in that: comprising: A base is arranged on the bottom surface of the seat cushion; Two fixing seats are respectively arranged on both sides of the base, and the two fixing seats are slidingly arranged on the base along the front and rear longitudinal directions; A linkage device is arranged between the two fixing seats, and the linkage device links the two fixing seats to produce synchronous sliding. 12. The synchronously adjusted armrest set according to claim 11, characterized in that: each of the two fixing seats is provided with a sliding groove extending longitudinally, and a restricting piece is fixed on the base through the sliding groove. On the seat, the two fixed seats are located at the same horizontal position. 13. The synchronously adjusted armrest set according to claim 11, characterized in that: one side of the base cooperates with one of the two fixed seats to provide an adjustment device to adjust the longitudinal synchronous sliding of the two fixed seats . 14. The synchronously adjusted armrest set according to claim 13, characterized in that: the adjustment device includes an adjustment seat fixed on the fixed seat, an adjustment gear and an adjustment piece, one end of the adjustment piece is embedded The center of the adjustment gear is set, the end of the adjustment member is pivotally arranged on the base, and the side of the adjustment seat opposite to the adjustment gear has a tooth portion that is in gear with the adjustment gear. The adjustment member has an adjustment portion opposite to the end of the adjustment gear. 15. The synchronously adjusted armrest set according to claim 11, wherein the linkage device includes a connecting rod, and the two ends of the connecting rod are respectively fixed on two fixing seats.

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