CN113100599B - Armrest back cushion with multidirectional adjustment - Google Patents

Abstract

The invention relates to a armrest cushion with multidirectional adjustment, which is arranged at the top end of an armrest, and comprises: the cushion body can be adjusted in a front-back, left-right and rotary manner by means of the cooperation of the longitudinal holes and the horizontal sliding shaft group, the cooperation of the sliding blocks of the longitudinal sliding plates and the perforation and the pivotal cooperation between the main seat body and the fluted disc piece.

Description

Armrest back cushion with multidirectional adjustment

Technical Field

The invention relates to a multi-direction adjusting armrest cushion, in particular to a technology applied to the field of chairs, which is suitable for chairs, wheelchairs and the like capable of providing hand placement, and the technology is characterized in that the armrest cushion can be adjusted to the most comfortable swinging direction by matching with the hand placement position, thus the invention with excellent practicability.

Background

When people are inconvenient to work, rest and move, most suitable people take the chair, thereby relieving the burden of supporting the body weight for a long time by foot steps, effectively reducing the abrasion among skeletons in legs, and besides relieving the legs, the comfortable and proper relaxation of the hands of the people to take is also a necessary part, so that most of the chairs are provided with handrails (handrails) on two sides, so that the hands of the users can be easily placed on the handrails when the users take the chairs, and the height of the office desk is matched with the use of some chairs for office places, so that the aim of keeping better comfort when the users place the hands of the users on the handrails for office work is already pursued by most of the chairs nowadays.

Many chairs in the market are designed with handles capable of being adjusted, but the adjustment of the height of the handles cannot meet the requirements for comfort for users, so that the users can place the chairs with different arm lengths by moving the technology to the back cushion against which the hands are provided, the chairs with the back cushion capable of being adjusted, such as taiwan patent nos. I414256, I353822, I468131 and M420257, are designed, and the cited patent documents disclose that the back cushion can be moved back and forth and left and right relative to the handles, so that the comfort of the users with different arm lengths can be met, but the hand placement is not only comfortable only by adjusting the back and forth and left and right, but many users can have different hands because of what is done, and the mere back and right and left displacement adjustment of the back cushion can not meet the hand placement of the users. Therefore, the relevant industry must think about how to improve to maximize so-called comfort by providing user placement at the cushion.

Disclosure of Invention

In order to solve the problem that the common chair only has simple lifting, forward and backward displacement and left and right displacement on the adjusting armrest and cannot meet and match with more postures and actions of the hands of a user, the invention provides the armrest cushion with the multidirectional adjustment, which is used for the hands of the user to lean against and put the rest cushion against different arm lengths and can match with each other for actions and things of the hands to achieve the maximum comfort.

The technical scheme adopted for solving the technical problems is as follows:

a multi-directionally adjustable armrest cushion for use on the top of a handlebar, comprising: the bottom disc is sealed on the top end surface of the handle and is mutually locked, the top surface of the bottom disc is further convexly provided with a lock bolt, one end of the lock bolt connected with the bottom disc is a positioning part, and the opposite end is a pivot part; the cushion body is arranged at the top end of the handle and is abutted against the chassis sheet, a containing chamber is arranged in the cushion body, a sliding hole is formed in the bottom of the containing chamber, a through hole is formed in the side edge of the containing chamber, and the lock plunger of the bottom disc is penetrated by the sliding hole and is positioned in the containing chamber.

The sliding control assembly is arranged in the accommodating chamber and comprises a control piece, a longitudinal sliding piece, a transverse sliding shaft group, two limiting tooth plates and a bottom substrate, one surface of the longitudinal sliding piece is attached to the bottom surface of the accommodating chamber, the longitudinal sliding piece is further provided with a sliding block in a protruding mode corresponding to the sliding hole, the sliding block is further provided with a longitudinal hole corresponding to the setting of a lock plunger, the sliding block is displaced in the sliding hole, and the lock plunger is displaced along the longitudinal hole; in addition, two ends of the other surface of the longitudinal sliding sheet are respectively provided with a plurality of clamping frames at intervals, and a surrounding wall is arranged to surround the clamping frames; in addition, both ends of the base substrate are respectively clamped on a plurality of clamping frames, a transverse hole is arranged on the base substrate corresponding to the longitudinal hole, one end of the base substrate is clamped with the pressure control piece, the other end of the base substrate is convexly provided with a plurality of elastic columns, one end of each elastic column is connected with the other end of the base substrate and is propped against the inner wall of the accommodating chamber, and one end of the pressure control piece is clamped with the base substrate, and the other end of the pressure control piece is penetrated through the through hole; the two limit tooth plates are respectively clamped between the base substrate and the longitudinal sliding plate, one side of the two limit tooth plates, which corresponds to the base substrate, is further provided with a protruding block in a protruding way, the protruding block of the base substrate, which corresponds to the two limit tooth plates, is respectively provided with two tracks, one end of each of the two tracks, which is provided with a plurality of elastic columns, extends downwards from one end of the base substrate, then extends towards two sides, the two limit tooth plates move in the two tracks by each protruding block and are mutually close to and far away from each other, in addition, one side, which corresponds to the two limit tooth plates, is respectively provided with a tooth engaging part, the opposite ends, which are respectively provided with tooth engaging parts, of the two limit tooth plates extend an elastic part, one end of each elastic part is connected with the limit tooth plate, and the other end of each elastic part is in butt against the surrounding wall; the horizontal sliding shaft group is sleeved between the lock bolt and the two limiting tooth plates and in the horizontal hole, the horizontal sliding shaft group further comprises a main seat body and a tooth disc piece, the main seat body is concavely arranged to form an arc groove, one side of the main seat body is provided with a tooth meshing part with one side tooth row meshing with any one of the two limiting tooth plates, the tooth disc piece is assembled in the arc groove of the main seat body, the tooth disc piece is penetrated with a shaft hole, the hole pattern of the shaft hole corresponds to the positioning part and the pivot part respectively, the tooth disc piece swings relative to the main seat body in a pivoting way, and one side of the tooth disc piece is provided with a ring tooth row meshing with the tooth meshing part of the other one of the two limiting tooth plates; the back cushion body can be adjusted in a displacement mode that the back cushion body can support the handle as an axis to perform front-back, left-right and rotation by means of the matching of the longitudinal hole and the horizontal sliding shaft group, the matching of the sliding block of the longitudinal sliding sheet and the through hole and the pivotal matching between the main seat body and the fluted disc piece.

The invention has the beneficial effects that the hands of the user can be abutted and placed against the hand, and the hand can be matched with the hand to engage in actions and things except for different arm lengths, so that the maximum comfort is achieved.

Drawings

The invention will be further described with reference to the drawings and examples.

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of the invention mounted to a handlebar.

Fig. 3 is an exploded perspective view of the cushion body according to the present invention.

FIG. 4 is an exploded perspective view of the cushion body and the slide control assembly of the present invention.

FIG. 5 is an exploded perspective view of the slide control assembly of the present invention.

Fig. 5A is an exploded perspective view of the other view of fig. 5.

Fig. 6 is a perspective view showing the back cushion body of the present invention displaced back and forth relative to the handle.

Fig. 7 is a schematic perspective view of the sliding control assembly of the invention in the cushion body without pressing the control member.

Fig. 8 is a top plan schematic view of fig. 7.

FIG. 9 is a schematic cross-sectional view of line IX-IX shown in FIG. 7.

FIG. 10 is a schematic cross-sectional view of line X-X shown in FIG. 7.

FIG. 11 is a schematic diagram of the operation of the present invention for controlling the movement of the two limiting teeth and the bottom substrate by the pressing component and releasing the engagement of the two limiting teeth with the ring teeth and the side teeth.

FIG. 12 is a schematic diagram of the pressing control unit of FIG. 9 controlling the movement of the two limiting teeth and the bottom substrate and releasing the engagement between the two limiting teeth and the ring teeth and the side teeth.

Fig. 13 is a schematic diagram illustrating another cross-sectional view of fig. 12.

Fig. 14 is a schematic view of the movement of the cushion body of fig. 12.

Fig. 15 is a schematic view illustrating the movement of the cushion body of fig. 12 in another direction.

Fig. 16 is a schematic diagram of the left-right displacement motion of the cushion body of the present invention.

FIG. 17 is a schematic diagram showing the movement of the cushion body, the longitudinal sliding plate, the two limiting teeth plates and the bottom substrate in the sliding control assembly after the pressing of the pressure control member according to the present invention, wherein the sliding shaft set is used as the axis, and the sliding shaft set is shifted to one side in the longitudinal sliding hole.

FIG. 18 is a schematic diagram showing the movement of the cushion body, the longitudinal sliding plate, the two limiting teeth plates and the bottom substrate in the sliding control assembly after the pressing of the pressure control member according to the present invention, with the sliding shaft set as the axis, and the sliding shaft set being shifted to the other side in the longitudinal sliding hole.

Fig. 19 is a schematic view of the rotation motion of the cushion body of the present invention.

FIG. 20 is a schematic diagram showing the operation of the sliding control assembly with the toothed disc and the lock bolt as pivot axes after the pressing of the pressing control member according to the present invention, wherein the components except the toothed disc are interlocked when the cushion body pivots in one direction.

FIG. 21 is a schematic diagram of the operation of the sliding control assembly with the toothed disc and the latch as pivot axes after the pressing of the pressing member according to the present invention, when the cushion body pivots in the other direction, the components except the toothed disc are interlocked.

The reference numerals in the figures illustrate:

10. 20X axis of handle

30 Y-axis 40Z axis

1. Bottom disk 11 lock bolt

111. Positioning portion 112 pivot portion

2. Cushion body 21 accommodating chamber

22. Slide hole 23 is perforated

24. Bottom shell 25 soft leaning piece

251. Slot groove

3. Slide control assembly 31 pressure control piece

311. Pressure control part 312 fastening part

313. Tooth of fastening groove 314

32. Longitudinal sliding sheet 321 sliding block

322. Longitudinal hole 323 clamping frame

324. Long teeth row member for enclosure wall 325

326. Rail block 327 clamping groove

33. Main seat of horizontal sliding shaft group 331

332. Upper disc portion of gear disc 332A

332B lower pivot 333 arc groove

334. Side tooth row 335 shaft hole

335A circular section 335B square section

336. Annular tooth row 337 assembly hole

34. Spacing toothed plate 341 lug

342. Elastic piece of tooth 343

344. Rail groove

35. Transverse holes of bottom substrate 351

352. Elastic column 353 rail

354. Groove buckling block

Detailed Description

In order to clearly illustrate the above objects and effects of the present invention, the embodiments of the present invention will be described in detail with reference to the accompanying drawings. Referring to fig. 1 to 21, a multi-directional armrest cushion according to the present invention is provided at the top of a handle 10, and the handle 10 is disposed at both sides of a chair and provides for the placement of a user's hands, comprising: a bottom disc 1, which is sealed on the top surface of the handle 10 and is mutually locked, the top surface of the bottom disc 1 is further provided with a lock bolt 11 in a protruding way, one end of the lock bolt 11 connected with the bottom disc 1 is a positioning part 111, and the opposite end is a pivot part 112; a cushion body 2 mainly provides a better comfort for the placement and leaning of the hands of a user, the cushion body 2 is arranged at the top end of the handle 10 and is leaning against the top surface of the chassis sheet 1, a containing chamber 21 is arranged in the cushion body 2, a sliding hole 22 is arranged at the bottom of the containing chamber 21, a through hole 23 is arranged at the side edge of the containing chamber 21, and a lock plunger 11 of the chassis sheet 1 is penetrated by the sliding hole 22 and is positioned in the containing chamber 21; a sliding control assembly 3, which is installed in the accommodating chamber 21 and is used for driving and controlling the cushion body 2 to move relative to the handle 10 by taking the lock bolt 11 as an axis, wherein the sliding control assembly 3 comprises a control piece 31, a longitudinal sliding piece 32, a transverse sliding shaft group 33, two limiting teeth 34 and a bottom substrate 35, one surface of the longitudinal sliding piece 32 is attached to the bottom surface of the accommodating chamber 21, the longitudinal sliding piece 32 is further provided with a sliding block 321 in a protruding manner corresponding to the sliding hole 22, the sliding block 321 is further provided with a longitudinal hole 322 which is in an oblong shape corresponding to the setting of the lock bolt 11, the sliding block 321 is displaced in the sliding hole 22, the lock bolt 11 is displaced along the longitudinal hole 322 Kong Xiangwei, and the displacement direction of the lock bolt 11 is different from the displacement direction of the sliding block 321 in the sliding hole 22; in addition, two ends of the other surface of the longitudinal sliding piece 32 are respectively provided with a plurality of clamping frames 323 with interval, and a surrounding wall 324 is further provided to surround the plurality of clamping frames 323.

In addition, two ends of the bottom substrate 35 are respectively clamped to a plurality of clamping frames 323, the bottom substrate 35 is provided with a transverse hole 351 corresponding to the longitudinal hole 322, the transverse hole 351 is communicated with the longitudinal hole 322 and the sliding hole 22, one end face of the bottom substrate 35 is clamped with the pressure control piece 31, the other end is convexly provided with a plurality of elastic columns 352, one end of each elastic column 352 is connected with the other end of the bottom substrate 35 and is sprung against the inner wall of the accommodating chamber 21, and one end of the pressure control piece 31 is clamped with the bottom substrate 35 and the other end of each elastic column is penetrated through the through hole 23; the two limiting teeth 34 are respectively clamped between the bottom substrate 35 and the longitudinal sliding sheet 32, the two limiting teeth 34 are respectively positioned at two sides of the longitudinal hole 322, one side of the two limiting teeth 34 corresponding to the bottom substrate 35 is further provided with a protruding block 341 in a protruding way, the bottom substrate 35 is respectively provided with two tracks 353 corresponding to the protruding block 341 of the two limiting teeth 34, one end of the bottom substrate 35 provided with a plurality of elastic columns 352 extends downwards and then extends towards two opposite sides, the two limiting teeth 34 move on the two tracks 353 by the protruding blocks 341 and are mutually close to and far away from each other, in addition, one side of the two limiting teeth 34 corresponding to each other is respectively provided with a tooth part 342, the opposite ends of the two limiting teeth 34 provided with tooth parts 342 are respectively extended with an elastic piece 343, one end of each elastic piece 343 is connected with the other end of the limiting teeth 34 and is propped against the surrounding wall 324; the horizontal sliding shaft set 33 is sleeved between the lock bolt 11 and the two limiting teeth 34 and in the horizontal hole 351, the horizontal sliding shaft set 33 further comprises a main base 331 and a tooth disc 332, the main base 331 is concavely arranged to form an arc groove 333, one side of the main base 331 is provided with a tooth row 334 for engaging with the tooth part 342 of any one of the two limiting teeth 34, the tooth disc 332 is sleeved in the arc groove 333 of the main base 331 and rotates pivotally relative to the arc groove 333, the tooth disc 332 is provided with a shaft hole 335 in a penetrating way, the hole patterns of the shaft hole 335 are matched with the shapes of the positioning part 111 and the pivot part 112 respectively, the tooth disc 332 pivots relative to the main base 331, and one side of the tooth disc 332 is provided with a ring tooth row 336 for engaging with the tooth part 342 of the other one of the two limiting teeth 34; the pressing of the pressure control member 31 releases the engagement between the two limiting teeth 34 and the sliding shaft 33, so that the cushion body 2 can perform displacement adjustment of front and rear, left and right and rotation by using the handle 10 as the axis through the cooperation of the longitudinal hole 322 and the sliding shaft 33, the cooperation of the sliding block 321 of the longitudinal sliding piece 32 and the sliding hole 22, and the pivotal cooperation between the main seat 331 and the tooth plate 332.

According to the above description, the more detailed operation mode of the present invention is shown in fig. 6 to 13, an X axis 20, a Y axis 30 and a Z axis 40 are defined by using the handle 10 as the axis nowadays, the handle 10 is on the Z axis 40, and the cushion body 2 is located on the horizontal plane where the X axis 20 and the Y axis 30 are located, so that when the user wants to adjust the position of the cushion body 2 relative to the handle 10 so as to bring the hand to lean against and have better comfort, the user only needs to press the pressure control member 31 towards the inside of the accommodating chamber 21, at this time, the pressure control member 31 drives the base plate 35 to move towards the pressing direction of the pressure control member 31 together, and at the same time, the two rails 353 arranged on the base plate 35 cooperate with the protruding blocks 341 of each limiting tooth plate 34, so that each limiting tooth plate 34 moves towards one end provided with the elastic member 343, at this time, the engaging tooth portions 342 of each limiting tooth plate 34 can be released from the annular tooth row 336 of the tooth piece 332, the side tooth row 334 of the main seat body 331, and the sliding plate 33 can be moved along the longitudinal axis 2, and the sliding direction of the sliding plate 2 can be changed along the sliding axis direction of the sliding axis 2, and the sliding direction of the sliding block 2 can be changed along the sliding direction of the sliding axis 11, and the sliding direction of the sliding hole 2 can be changed along the sliding direction of the sliding axis 2, and the sliding direction of the sliding hole 2 is changed, and the sliding direction can be adjusted along the sliding direction of the sliding hole 2, and the sliding hole 2 is changed, and the sliding hole is set up and the sliding hole 2, and the sliding hole is opened, and the position is opened.

Continuing the above, when the user wants to change the left and right positions of the cushion body 2, the same is done to release the engagement relationship between the engaging teeth 342 of each limiting tooth 34 and the ring teeth 336 of the tooth disc member 332 and the side teeth 334 of the main seat 331 after the pressing of the pressing member 31, so that the cushion body 2 is pushed to move left and right along the X axis 20, and the sliding shaft group 33 and the lock bolt 11 are combined, so that the sliding shaft group 33 is not actually moved, the moving cushion body 2 and the sliding control assembly 3 (except for the sliding shaft group 33), and the left and right movement of the cushion body 2 moves according to the hole arrangement direction of the vertical hole 322, please refer to fig. 16 to 18, and fig. 5, 5A, 11 to 13 are taken as assistance; in addition, if the user wants to change the swinging direction of the cushion body 2 instead of the front-back and left-right adjustment, the engaging portions 342 of the limiting teeth 34 are released from the engaging relationship with the annular teeth rows 336 of the toothed disc member 332 and the side teeth 334 of the main seat body 331 after the pressing of the pressing member 31, and the cushion body 2 is directly pushed to pivot at this time, and the main seat body 331 and the toothed disc member 332 in the traverse shaft group 33 are arranged in a mutually pivotable relationship, and the toothed disc member 332 and the lock bolt 11 are arranged in a clamped relationship, so that the rotation of the cushion body 2 actually pivots the main seat body 331 relative to the toothed disc member 332, so that the cushion body 2 can swing between the X axis 20 and the Y axis 30, as shown in fig. 19 to 21, and assisted by fig. 5, 5A, 11 to 13. However, after the above-mentioned adjustment in each direction, the user only needs to release the pressing force of the pressing member 31, and then, the user can restore to the original position through the release of the elastic storage force of each elastic column 352 provided at one end of the bottom substrate 35, and at the same time, each of the limiting teeth 34 also restore to the original position together by the elastic abutment of each elastic member 343, and each of the limiting teeth 34 also moves toward the sliding shaft set 33 by the assembly of each of the protrusions 341 and each of the rails 353, and each of the engaging teeth 342 of each of the limiting teeth 34 can be engaged with the annular teeth 336 of the fluted disc member 332 and the side teeth 334 of the main seat 331, thereby limiting the adjusted position of the cushion body 2, so that the user's hand can be placed on the cushion body 2 in the most comfortable manner, as shown in fig. 2, 6, 16 and 19.

According to the above description, the cushion body 2 further comprises a bottom shell 24 and a soft leaning piece 25, the bottom shell 24 is box-shaped, the soft leaning piece 25 covers the bottom shell 24, the through hole 23 and the sliding hole 22 are arranged on the bottom shell 24, a slot 251 is concavely arranged at one side of the soft leaning piece 25, the bottom shell 24 is inserted into the slot 251 and forms a containing chamber 21, and the hand of a user can be placed on the soft leaning piece 25 for rest, please see fig. 4; in addition, the pressure control member 31 can drive and control the bottom substrate 35 to act together, mainly, a buckling groove block 354 is further disposed at one end of the bottom substrate 35 for assembling the pressure control member 31, the buckling groove block 354 is L-shaped, the pressure control member 31 further comprises a pressure control portion 311 and a buckling portion 312, one end of the pressure control portion 311 is exposed out of the other end of the through hole 23 and is connected with the buckling portion 312, the buckling portion 312 is J-shaped and is concavely provided with a buckling groove 313 corresponding to the buckling groove block 354, the pressure control member 31 buckles the buckling groove block 354 with the buckling groove 313 and drives the bottom substrate 35 to move towards the end provided with each elastic column 352 by pushing of the pressure control portion 311, so that each elastic column 352 is propped against the wall surface of the bottom substrate 24 and stores elastic force, and after the pressing force of the pressure control portion 311 disappears, the bottom substrate 35 is reset by the elastic force stored in each elastic column 352, so that the next pressing of the pressure control member 31 can be conveniently performed, as shown in fig. 5, fig. 6, fig. 8, fig. 12, fig. 13, fig. 6, and fig. 13.

In order to maintain the positioning of the cushion body 2 after the adjustment of the base 35 and prevent the movement, the locking portion 312 of the pressure control member 31 is further provided with a tooth portion 314 at the opposite end provided with the locking groove 313, the longitudinal sliding plate 32 is further provided with a long tooth bar 325 on the side provided with a plurality of locking frames 323, the long tooth bar 325 is adjacent to the surrounding wall 324, the pressure control member 31 penetrates the through hole 23 with the locking portion 312, the pressure control member 31 is locked with the locking groove 313 to form a locking groove 354, the tooth portion 314 engages with the long tooth bar 325, and the pressing and releasing of the pressure control member 31 controls the engagement relationship between the tooth portion 314 and the long tooth bar 325 and the engagement relationship between the two limiting tooth plates 34 and the sliding shaft group 33, and the pressing of the pressure control member 31 is released after confirming the adjustment position of the cushion body 2, at this time, the tooth portion 314 and the long tooth bar 325 are mutually engaged, thereby limiting the position of the cushion body 2 after the adjustment, as shown in fig. 5, fig. 5A, fig. 5 and fig. 9.

In addition, it should be noted that, in order to keep the two limiting teeth 34 stable and smooth in moving and not to separate, a plurality of rail grooves 344 are further recessed on one side of the two limiting teeth 34 corresponding to the longitudinal sliding piece 32, and a plurality of rail blocks 326 are protruded on the longitudinal sliding piece 32 corresponding to each rail groove 344 of the two limiting teeth 34, each rail block 326 is inserted into each rail groove 344 to limit the assembly of the two limiting teeth 34, when the pressure control piece 31 is pressed to drive the bottom substrate 35 to move, the movement of the two limiting teeth 34 is controlled by the cooperation of each rail 353 with each bump 341, and the movement of each limiting teeth 34 is enabled to stably move without shifting through the assembly of each rail groove 344 and each rail block 326, see fig. 13 and fig. 5 and 5A for assistance.

Finally, the main components of the present invention lie in that the sliding axle set 33 is used to change the position of the cushion body 2, except for front, back, left and right, the bottom of the arc groove 333 of the main seat body 331 is further provided with an assembling hole 337, the hole of the assembling hole 337 is circular, the gear plate 332 further comprises an upper plate 332A and a lower pivot 332B, the lower pivot 332B of the gear plate 332 is inserted into the assembling hole 337, so that the gear plate 332 and the main seat body 331 form a pivoting relationship, the upper plate 332A is attached to the bottom of the groove of the arc groove 333, in addition, the shaft hole 335 corresponds to the upper plate 332A and the lower pivot 332B and is divided into a circular segment 335A and a segment 335B, the shape of the positioning portion 111 of the lock plunger 11 is the same as the hole of the segment 335B, the shape of the pivot 112 is the circular segment 335A, thus the gear plate 332 and the gear plate body are firmly combined along the axis line of the gear plate 21, the cushion body 20 can be firmly attached to the gear plate 2, the cushion body 20, and the cushion body 20 can be firmly rotated in the direction shown in fig. 20, and the figure 20 can be firmly seen from the figure 5, and the figure 20 is shown in fig. 20, and the figure is shown by the figure 20. In addition, each clamping frame 323 arranged on the vertical sliding sheet 32 is in an inverted L shape, a clamping groove 327 is respectively formed between each clamping frame 323 and the vertical sliding sheet 32, and two ends of the bottom substrate 35 are inserted and clamped in each clamping groove 327, so that the bottom substrate 35 is firmly arranged on the vertical sliding sheet 32 to prevent falling, and the bottom substrate is shown in fig. 5.

To summarize, the displacement of the bottom substrate 35 is controlled by the pressing of the pressing member 31, so that the engagement between the two limiting teeth 34 and the sliding shaft set 33 is released, and the position of the cushion body 2 can be adjusted, and when the cushion body 2 moves along the Y axis 30, the sliding block 321 at the bottom of the vertical sliding piece 32 can change the position in the sliding hole 22 due to the movement of the cushion body 2; when the cushion body 2 moves along the X axis 20, the sliding shaft set 33 is combined with the lock bolt 11, so that the sliding shaft set 33 is changed to the position of the transverse hole 351 by the movement of the cushion body 2; when the cushion body 2 swings pivotally along the X axis 20 and the Y axis 30, the main seat 331 can pivot relative to the gear member 332 due to the clamping set between the gear member 332 and the lock bolt 11 in the horizontal sliding shaft set 33, so that the position of the main seat 331 relative to the gear member 332 can be changed by the swing of the cushion body 2; after confirming the adjustment of each motion, the pressing of the pressing member 31 is released, so that the engaging portions 342 of the two limiting teeth 34 engage the side teeth 334 of the main base 331 and the ring teeth 336 of the fluted disc 332, and thus the adjustment of the cushion body 2 can be completed, and the user with different arm lengths can lift the cushion body 2 to the most suitable position according to the length of the hand, the motion posture of the hand, and the like through the adjustment, thereby achieving the best comfort.

The above description is only of the preferred embodiments of the present invention, and is not intended to limit the present invention in any way, and any simple modification, equivalent variation and modification made to the above embodiments according to the technical principles of the present invention still fall within the scope of the technical solutions of the present invention.

Claims (8)

1. A multi-directionally adjustable armrest cushion mounted on the top of a armrest, comprising:

The bottom disc is sealed on the top end surface of the handle and is mutually locked, the top surface of the bottom disc is further convexly provided with a lock bolt, one end of the lock bolt connected with the bottom disc is a positioning part, and the opposite end is a pivot part;

The cushion body is arranged at the top end of the handle and is abutted against the chassis sheet, a containing chamber is arranged in the cushion body, a sliding hole is formed in the bottom of the containing chamber, a through hole is formed in the side edge of the containing chamber, and a lock plunger of the bottom disc is penetrated by the sliding hole and is positioned in the containing chamber;

The sliding control assembly is arranged in the accommodating chamber and comprises a control part, a longitudinal sliding sheet, a transverse sliding shaft group, two limiting tooth sheets and a bottom substrate, one surface of the longitudinal sliding sheet is attached to the bottom surface of the accommodating chamber, the longitudinal sliding sheet is further provided with a sliding block in a protruding mode corresponding to the sliding hole, the sliding block is further provided with a longitudinal hole corresponding to the setting of a lock plunger, the sliding block is displaced in the sliding hole, the lock plunger is displaced along the longitudinal hole, and the displacement direction of the lock plunger is different from the displacement direction of the sliding block in the sliding hole; in addition, two ends of the other surface of the longitudinal sliding sheet are respectively provided with a plurality of clamping frames at intervals, and a surrounding wall is arranged to surround the clamping frames;

In addition, both ends of the base substrate are respectively clamped on a plurality of clamping frames, a transverse hole is arranged on the base substrate corresponding to the longitudinal hole, one end of the base substrate is clamped with the pressure control piece, the other end of the base substrate is convexly provided with a plurality of elastic columns, one end of each elastic column is connected with the other end of the base substrate and is propped against the inner wall of the accommodating chamber, and one end of the pressure control piece is clamped with the base substrate, and the other end of the pressure control piece is penetrated through the through hole;

The two limit tooth plates are respectively clamped between the base substrate and the longitudinal sliding plate, one side of the two limit tooth plates, which corresponds to the base substrate, is further provided with a protruding block in a protruding way, the protruding block of the base substrate, which corresponds to the two limit tooth plates, is respectively provided with two tracks, one end of each of the two tracks, which is provided with a plurality of elastic columns, extends downwards from one end of the base substrate, then extends towards two sides, the two limit tooth plates move in the two tracks by each protruding block and are mutually close to and far away from each other, in addition, one side, which corresponds to the two limit tooth plates, is respectively provided with a tooth engaging part, the opposite ends, which are respectively provided with tooth engaging parts, of the two limit tooth plates extend an elastic part, one end of each elastic part is connected with the limit tooth plate, and the other end of each elastic part is in butt against the surrounding wall;

The horizontal sliding shaft group is sleeved between the lock bolt and the two limiting tooth plates and in the horizontal hole, the horizontal sliding shaft group further comprises a main seat body and a tooth disc piece, the main seat body is concavely arranged to form an arc groove, one side of the main seat body is provided with a tooth meshing part with one side tooth row meshing with any one of the two limiting tooth plates, the tooth disc piece is assembled in the arc groove of the main seat body, the tooth disc piece is penetrated with a shaft hole, the hole pattern of the shaft hole corresponds to the positioning part and the pivot part respectively, the tooth disc piece swings relative to the main seat body in a pivoting way, and one side of the tooth disc piece is provided with a ring tooth row meshing with the tooth meshing part of the other one of the two limiting tooth plates;

The cushion body can be adjusted in a displacement mode that the cushion body can support the handle as an axis to move forwards and backwards, leftwards and rightwards and rotationally by means of the matching of the longitudinal hole and the horizontal sliding shaft group, the matching of the sliding block of the longitudinal sliding sheet and the through hole and the pivoting matching between the main seat body and the fluted disc piece.

2. The armrest cushion according to claim 1, wherein the cushion body further comprises a bottom shell and a soft cushion member, the through hole and the sliding hole are disposed on the bottom shell, a slot is concavely disposed on one side of the soft cushion member, and the bottom shell is inserted into the slot to form a receiving chamber.

3. The multi-directional adjustable armrest cushion according to claim 1, wherein the base plate is further provided with a buckling groove block at one end for assembling the pressure control member, the pressure control member further comprises a pressure control portion and a buckling portion, one end of the pressure control portion is exposed out of the other end of the through hole and is connected with the buckling portion, the buckling portion is provided with a buckling groove in a concave manner corresponding to the buckling groove block, the pressure control member buckles the buckling groove block through the buckling groove block, and the pushing of the pressure control portion drives the base plate to move towards one end provided with each elastic column.

4. The multi-directional adjustable armrest cushion according to claim 2, wherein the base plate is further provided with a buckling groove block at one end for assembling the pressure control member, the pressure control member further comprises a pressure control portion and a buckling portion, one end of the pressure control portion is exposed out of the other end of the through hole and is connected with the buckling portion, the buckling portion is provided with a buckling groove in a concave manner corresponding to the buckling groove block, the pressure control member buckles the buckling groove block through the buckling groove block, and the pushing of the pressure control portion drives the base plate to move towards one end provided with each elastic column.

5. The multi-directional adjustable armrest cushion according to claim 3 or 4, wherein the locking portion of the pressure control member is further provided with a tooth portion at an opposite end of the locking groove, the longitudinal sliding sheet is further provided with a long tooth bar member at a side provided with a plurality of locking frames, the long tooth bar member is adjacent to the surrounding wall, the pressure control member penetrates the through hole with the locking portion, the pressure control member locks the groove block with the locking groove, and engages with the long tooth bar member with the tooth portion, and the pressing and releasing of the pressure control member control the engagement relationship between the tooth portion and the long tooth bar member and the engagement relationship between the two limiting tooth pieces and the horizontal sliding shaft.

6. The multi-directional adjustable armrest cushion according to claim 5, wherein a plurality of rail grooves are further recessed on a side of the two limiting teeth corresponding to the longitudinal sliding piece, and a plurality of rail blocks are provided on the longitudinal sliding piece corresponding to each rail groove of the two limiting teeth, wherein each rail block is inserted into each rail groove to limit the assembly of the two limiting teeth.

7. The multi-directional adjustable armrest cushion according to claim 6, wherein the bottom of the arc groove of the main seat further comprises an assembling hole, the fluted disc further comprises an upper disc portion and a lower pivot portion, the lower pivot portion of the fluted disc is inserted into the assembling hole, the upper disc portion is attached to the bottom of the arc groove, the shaft hole is divided into a circular section and a square section corresponding to the upper disc portion and the lower pivot portion, the positioning portion of the lock bolt has a shape identical to the hole of the square section, and the pivot portion has a shape identical to the hole of the circular section.

8. The multi-directional adjustable armrest cushion according to claim 7, wherein a slot is formed between each of the clamping frames and the longitudinal sliding piece, and two ends of the bottom substrate are embedded in each of the slots.