TW200522898A - Depth adjustment device of chairback and armrest - Google Patents

Abstract

The present invention is related to provide a depth adjusting device of chairback and armrest, especially referring to install slide rails which are able to provide armrest base body to slide around on both sides of a chair seat and make the chairback be fixed between the two armrests. The external side of the armrest is further provided with a plurality of position holes and a cover which covers over the slide rail is installed on the external side of the sliding part of the armrest. And a position rod which is capable of being driven to retractably shift by twisting a grip is pivotally attached to the external side of the cover. After make the position rod pierce through the cover and further stretch into the position hole, the front and rear depth position of both side armrests together with the chairback can be adjusted. And further make the position rod stretch into the corresponding position hole to fix the armrests together with the chairback. Therefore, people who sit thereon adjust simply, easily and fast to acquire the desired depth position of the back and the support of arms.

Description

200522898

[Technical field to which the invention belongs] One of the present invention is to provide armrests which are combined with both sides of a seat back and can be used for front and rear lights on both sides of a seat cushion. A positioning device that can control the front and rear positions of the armrests is provided at the sliding position to make the armrests and chairs The person whose back position can be adjusted arbitrarily. [Previous technology] When the knot is placed or the cushion is full, the seat is backed up; but the standing chair is shaped into an arm and adjusted to fit a large work chair structure. It is a bridge hour. The three-point adjustment is due to the chair position, and if it is provided, the guide is difficult to place. The position and the purpose of the figure are the hips of the person or the two or the suitable back and support. There is no chair back, vertical chair back, or chair. The back seat leans against the times. (Provided at), adjust the deep position of the two before taking the waist to the depth of the two; adjust the position of the two; the armrests are all designed with different feelings. The seat may not be able to fit against one (or even set, and then adjust it later). The combination of one adjustment device is too forward. If the fixed type of front and rear position can be adjusted (not or the seat back may be more than the riding device, when the structure is set, the side or back is provided with a support, but the adjustment Especially when you ca n’t move up, but less), when the back is made, and the armrests are square, the back of the chair is really deep because of the work. The whole can only be ^ so 1 of the chairs 1 each winter pass 1 is For E will stand up ί Can't 4 No;

敕 人 ^ ^ The above-mentioned adjustment of the depth position of the back of the armrest and the armrest can be installed as King II & > but also because it is an independent adjustment of the surname for individual adjustments. = = Force can be adjusted as desired, but. It ’s not big, and Yifa i is fixed, so the meaning of this function…, French & Simultaneous adjustment of the seat back and armrest is also adjusted

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Fifth, the description of the invention (2) trouble. In addition, the chair is pushed into the table under the chair, and the space will love it more, the structure, or the depth of the front and back of the integrated hand. The above table is under the table, so it is to achieve the armrests on both sides of the seat. The seat has a positioning hole, and it is covered by a moving positioning rod, so when the positioning rod is made as the rear depth position, the armrest is connected to the back of the depth position-so, I can fully understand the height of the armrest. Normally, when under the shower, 铷 m 5, the height is the same, so the size of the W factory is blocked by the handrail.> ^^ The aisle of the seat is occupied and the space is created by the thermal method. insufficient.隹 季 乂 is narrow [Content of the invention] The iiiC device does not integrate the position of synchronous operation, and can be easily adjusted for synchronous positioning. Support: 2 t :: Flip up and stand up so that the chair can push the armrest so that it will not block the table. Up j = purpose and the technical method adopted in the present invention is fixed with a slide rail for the armrest body to slide forward and backward, and a seat back is fixed between the rails, and a plurality of sliding parts on the outside of the armrest are provided. A cover is fixed on the outer side and a handle on the upper side of the slider can be pivoted to drive the telescopic movement. After the positioning rod passes through the cover, it can extend into the positioning hole. After exiting the positioning hole, it can be used. After adjusting the armrests on both sides together with the seat back, the positioning rods are extended into the corresponding positioning holes = the seat back is fixed, so that the occupants can get the necessary support and arm leaning, and the adjustment is simple, easy and quick. It can be obtained and implemented according to the following embodiments in conjunction with the drawings: 200522898 V. Description of the Invention (3) [Embodiment]

Please refer to the first, second, third, and fourth figures. The seat cushion 1 1 of the present invention is provided with slide rails 2 on both sides, and the middle lower side of the slide rail 2 is slanted and fixed. The slider 20 can be fixed to the bottom surface of the seat cushion 11 by the fixing portion 20, so that the slider 2 is located on the side of the seat cushion 11. At the same time, the slide rail 2 is provided with a track portion 21 in the middle of the outer side. Slide rails 2 11 are provided on both sides of the guide section 21 and recesses 2 2 are provided on the upper and lower rain sides of the slide guide 2, and then a sliding section 3 1 under the armrest base 3 is provided. A chute section 3 2 is recessed at the corresponding surface on the inner side, and a chute 3 2 1 is recessed on both sides of the chute section 32, and another side is provided at the upper and lower sides of the sliding part 31. There is a slideway 3 11, so the sliding groove portion 32 of the sliding engagement portion 31 below the armrest base 3 is slidably engaged with the guideway portion 21 of the slide rail 2, and above the slide rail 2 and in the lower receiving groove 2 2 A plurality of sliding balls 41 are arranged on the sliding part 31 and above the sliding path 311, and each sliding ball 41 is embedded in a receiving hole 4 2 1 opened on a positioning piece 4 2. While the slideway 21 1 of the track portion 21 of the slide 2 and the slide groove of the armrest base 3 Between the slideways 321 of 32, a positioning piece 4 2 of the same structure and a slide ball 41 embedded in the positioning piece are also accommodated, and finally a fixed piece is fixed on the inner side of the front end of the slide groove portion 32 of the armrest base 3. The stopper piece 33 and the rear end cover a stopper block 34 so that the slide ball 41 and the positioning piece 42 therein cannot fall out, so that the armrest base 3 can be easily and smoothly on the slide rail 2 Glide. In the complex, the slide rail 2 is provided with a long slot 23 of a predetermined length, and a groove 24 is provided at the free surface of the slide rail 2, so that a groove 25 can be accommodated in the groove 2 4 and the The front end of the elastic yellow 25 is fixed in the front end of the groove 24, and the other of the spring 2 5 is hung on a hanging rod 2 6, and the hanging rod 2 6 passes through the long slot 2 3

200522898 V. Description of the invention (4) After being screwed to the sliding joint 31 at the lower end of the armrest base 3, a cover 27 is then covered on the sliding groove 24, so the armrest base 3 is kept under the elastic force of the spring 25 Pull forward. In addition, a positioning hole 3 5 is provided at the outer side of the sliding joint portion 3 1 below the armrest base 3, and then a reverse-shaped cover 5 in section is provided at the middle of the slide rail 2, and the armrest base The sliding part 3 of the body 3 is between the cover rail 2 and the cover 5, and at the same time, the cover 2 of the cover 5 corresponding to the slide handle 2 2 is also provided with a capacity for receiving the slide 4 1 and the positioning piece 4 2 Let the middle of the cover 5 be provided with a perforation 52, and the upper end of a piece 53 is passed through the head and extended into the upper part and screwed to the convex part 57 on the holding spring 55. Therefore, it is pulled outward The opening of the hole 35; extends the positioning rod 5 4 of its part 5 4 1 again, and after the perforation 5 2 of the cover 5 is extended, a spring 55 is installed in the cover hole 50, and then The tie rod 56 at the end, and the tie rod 56 on the block 53; In addition (please set up with a pivot 5 7 and make the inner side of the handle 58 make the head 5 4 1 of the positioning rod 5 4 1 When the lower end of the handle 5 8 is pulled out and the end is released from the armrest, on the contrary, the pushing force of the handle 5 8 on the handle 5 6 is released and enters the positioning hole 3 5. Second, as the first, Two and five The position of the positioning rod 5 4 at the end of the slide 5 which enters the armrest base 3 is provided with a plurality of holes that can be fixed to the upper and lower grooves 51, and the upper fixed block 5 3 has a 31 hole 50 and a rear part is provided. The head is shown in Figure 6 through the hole 50

One end of the handle 5 8 is provided with a U to slide at that time. After that, the sliding force of the seat 3 can be driven, that is, the positioning portion can be driven to abut against the cover 5)) The cover 5 is fixed to the pole 5 The extremely solid slotted portion 5 8 is fitted on the slotted portion 5 8 1 so that the positioning of the positioning rod 54 by the combined portion 3 1 can be indicated by the end of the spring 5 5 rod 5 4 'the upper end of the armrest seat 3

Page 8 200522898 V. Description of the invention (5) The grooves 61 provided on the upper end 36 of the upper and lower sides with positioning holes 37 on the sides and sides are received and pivoted together. The groove 62 is in a concave shape, and the groove is in the bottom end of the armrest 6. A perforation 63 is provided on the wall between 卩 61 and the trough 62, so that a positioning hole 3 ″ can be opened on the Qiuqi magic soil song, and then again; Erqian 64 can pass through and pass through α It is also known that the button 6 5 is fixed in the receptacle 6 2, and the button 6 5 corresponds to the positioning guard fi 4 丨 ling < Tr, & 1 pole t > 4 there is no ^ -shaped insert The groove portion 651 is fixed, so that the head of the rod 64 is slid into it, and then the recess of the ㈣5 has two recessed holes 65 2 for the spring 66 and the other end of the spring 66. The convex portion 671 i on the corresponding side of the seat 67 fixes the corner seat 67 again; it is private, so as shown in the tenth and eleventh figures, the positioning rod 64 is pushed by the spring 66 to push the button 65 It has the function of elastic expansion and contraction to maintain the state of the positioning hole 37; conversely, if the button "is pressed, the bean extends into the end of the receptacle 62 and swings, so that the positioning rod 64 will be pulled backwards to make it endless. Exit the positioning hole 37; In addition, the armrests on both sides 3 and the seat back 1 2. Therefore, as shown in Figures 6 and 8, when the positioning rod 5 4 is embedded in the positioning hole 35, the armrest seat 3 is located at the rear end of the seat cushion, but as shown in Figures 7 and 9 When the lower end of the handle 58 is turned outward, the positioning lever 54 can be withdrawn from the fixed hole 35 ', and the spring bracket as shown in the fourth figure will pull and displace the armrest base 3 toward Ke, and the user will You can slowly move the armrest base 3 to the required depth position, and then release the lever 58 to make the positioning rod 35 under the reaction thrust of the spring 55, and then re-insert into the preset positioning hole 35; With the adjustment of the front and rear positions of the armrest base 3, the backrest 12 can be made to be deeper and deeper, and as shown in the tenth and eleventh figures, when the chair is pushed into the page 9, 200522898

When sitting under the tabletop, you can swing the Kuofeng β reluctantly, and make the buttons 65 on the back of the positioning 2 35 2 64 back before the 64 exit the armrest seat 3 L · ^ Λιβ ^ ^ at the side positioning Hole 37, so that the armrest 6 can be pressed on the pressure body d. The force βI person_J is erected by flipping upwards, and the button 65 is inserted and the position rod 64 is inserted in the spring 66 64. A person exiting the page of the upper end portion 36 of the armrest base 3 once again causes the positioning rod 6 to be fixedly seated, so that the chair can be pushed into the position hole 37 'so that the armrest blocks the table top. "Under the surface" and the armrest 6 will not be two. Although the above embodiments have a way to the present invention > detailed description, they are all shapes and parts made by those skilled in the art The change, = βchu understands, and its arsenic and category. Do not depart from the essence of the present invention 200522898 Simple illustration of the drawings [Simplified illustration of the drawings] The first figure is a schematic perspective view of the present invention. The second figure is an exploded view of the handrail of the present invention. The third figure is an exploded view of the combination of the sliding handle and the armrest base of the present invention. The fourth figure is an exploded schematic view of the combination of the slide rail and the armrest base of the present invention in another direction. The fifth diagram is an exploded view of the combination between the armrest base and the armrest of the present invention. The sixth, seventh, eighth, ninth, tenth, and tenth drawings are the present invention, the present invention, the present invention, the present invention, and the present invention. Sectional view of the plate handle. Schematic of the action of the wrench. Schematic diagram before the armrest is moved Schematic diagram after the armrest is moved Schematic diagram before the armrest is erected

1 Seat 11 Seat cushion 12 Seat back 2 Slide 20 Fixing section 21 Track section 211 Slideway 22 Reservoir 23 Long slotted hole 24 Groove 25 Spring 26 Hanger 27 Cover 3 Armrest seat 31 Sliding section 311 Slideway 32 Slot section 321 Slideway 33 Stop piece 34 Stop piece 35 Positioning hole 36 Upper end 37 Positioning hole 41 Slide ball 42 Positioning piece 421 Receiving hole 5 Covering page 11 200522898 Illustration of simple illustration 50 Receiving hole 51 Receiving slot 52 Perforation 53 Block 54 Positioning rod 541 Head 55 Spring 56 Tie rod 57 Only fixed area 58 Toggle 581 Recessed slot 6 Armrest 61 Recessed portion 62 Receptacle 63 Perforated 64 Positioning rod 65 According to Jiang U 651 Recessed portion 652 Concave Hole 66 Spring 67 Corner seat 6 7 1 Convex

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Claims (1)

200522898 VI. Scope of patent application1. A device for adjusting the depth of a seat back and an armrest. Two sides of a seat cushion of a chair are provided with armrest bases that can slide forward and backward, and an armrest is provided at the upper end of the armrest base. A seat back is fixedly connected between the armrest bases on both sides, of which two slide rails are fixed on both sides of the seat cushion, and a rail part is protruded on the slide rails; On the sliding handle, a sliding part is provided below the armrest seat body, and a sliding groove part that can be slid with the sliding part is provided at the sliding part of the sliding part corresponding to the sliding handle. There are a plurality of positioning holes on the side; a cover, the cross-section of which is inverted 匸 shape, so that it is fixed in the slide rail In the intervening period, it can be covered by the sliding part at the lower end of the armrest base, and a handle can be pivoted on the outside of the cover. The positioning rod is fixed on a body, and the end of the positioning rod is covered with teeth, and can be inserted into the positioning hole provided on the sliding portion of the armrest seat body. At the same time, a spring-accommodating container is provided on the inner side of the cover. After a pull rod is inserted into the accommodation hole, it is penetrated out of the cover and fixed to the block, so that the pusher pulls and pulls the pull rod back to keep the positioning rod inserted into the positioning hole; 疋 When the handle is pulled or released outwards, the positioning rod can be moved out or inserted into the positioning hole, so that the armrest seat can be moved forward and backward on the slide rail, so that the seat back can be used for the forward and backward depth position. Adjuster. Zhuangzhuang 2. According to the depth of the seat back and armrests described in item 1 of the scope of the patent application, p = set, where the back of the sliding handle is recessed with a groove for a spring, and the two ends of I! T are hung and fixed , While the other end is hung on a hanging rod, " " the dry teeth over the long slot provided on the slide rail 'and fixed to the armrest seat 200522898 Scope of patent application Allow the armrest base to have the ability to automatically reset and enable the ability to reset by the spring's elastic pull. 3. According to the depth adjustment device for the seat back and armrest as described in item 1 of the scope of the patent application, the corresponding slideways are provided on both sides of the rail part in the middle of the slide rail and on the two wall surfaces of the slide groove part of the armrest seat, and the slide The upper and lower rails are provided with receiving grooves and sliding joints of the armrest base body, and the upper and lower slideways are provided correspondingly. Then slide balls are installed in the corresponding slideways and the receiving grooves, and the slide balls are embedded in the positioning. On-chip 4 · The depth adjustment device for the seat back and armrest according to item 1 of the scope of the patent application, wherein the upper end of the armrest base is provided with an upper end portion, and positioning holes are provided on the front side and the upper side of the upper end portion, and the rear of the armrest The end is pivotally fixed on the upper end, and a groove capable of pivotally receiving a button is provided near the upper end of the armrest, and the button is provided with an indentation in which the head of a positioning rod can be inserted. Pass the end of the positioning rod out of the tank wall to insert the positioning hole at the upper end; i Then push the back of the button by a pop-up meal ' First U page