Multifunctional seat armrest

Abstract

The utility model relates to a multifunctional seat armrest. The technical problem that an existing seat armrest cannot rotate and move is solved. Comprising an armrest mounting frame and an armrest seat movably arranged at the upper end of the armrest mounting frame, a mounting frame fixing seat is fixedly arranged at the upper end of the armrest mounting frame, an armrest mounting shaft movably arranged in the armrest seat in a penetrating mode is arranged at the upper end of the mounting frame fixing seat, and a movable channel extending in the length direction of the armrest seat is arranged in the armrest seat. The lower side of the armrest seat is provided with a strip-shaped hole which allows the armrest mounting shaft to penetrate through, is arranged in the same direction as the movable channel and is communicated with the movable channel, a movable seat is movably arranged in the movable channel through a front-back movement adjusting mechanism, a rotating hole is formed in the middle of the movable seat, and a rotating seat connected with the armrest mounting shaft is arranged in the rotating hole through a circumferential rotation adjusting mechanism. The armrest seat has the advantages that the front-back movement adjusting mechanism and the circumferential rotation adjusting mechanism are arranged together, so that the occupied area of the armrest seat can be reduced, and a user can operate conveniently.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of seat armrests, and particularly relates to a multifunctional seat armrest. BACKGROUND

[0002] In the development history of seats, as an important component, the functionality and comfort of armrests have always been the key direction of research and development. With the development of society and the improvement of people's living quality, the requirements for the functionality of seat armrests are increasingly complex and delicate. At present, seat armrests have single functionality and only serve a simple supporting function, which cannot meet the needs of users in diversified scenarios. Moreover, when the existing seats are adjusted in rotation and displacement according to the use environment, the armrests cannot be adjusted synchronously with the seats, so that the armrests cannot support the users, affecting the user experience.

[0003] In order to solve the problems in the prior art, people have made long-term exploration and proposed various solutions. For example, the Chinese patent document discloses an adjustable seat armrest [202322787244.6], which comprises an armrest plate, a connecting swing arm and a mounting seat. The armrest plate comprises a base and a cover arranged on the base, the base is provided with an adjusting sliding groove, the base is provided with a guide through groove arranged along the length direction of the adjusting sliding groove, an adjusting sliding block is slidably connected in the adjusting sliding groove, a first rotating block is rotatably connected on the adjusting sliding block, a first connecting column is connected at the bottom of the first rotating block, the first connecting column penetrates through the bottom of the adjusting sliding block and the guide through groove and is fixedly connected with the top of one end of the connecting swing arm, the other end of the connecting swing arm is provided with a second rotating block rotatably connected with the connecting swing arm, a second connecting column is connected at the bottom of the second rotating block, and the second connecting column penetrates through the bottom of the connecting swing arm and is fixedly connected with the top of the mounting seat.

[0004] The above-mentioned scheme solves the problem that the existing seat armrests cannot be adjusted in rotation and displacement to a certain extent, but the scheme still has many deficiencies, for example, the front and rear displacement structures and the rotation adjusting structure are arranged at the two ends of the connecting swing arm, which occupies a large area, affects the aesthetic appearance and increases the production cost. SUMMARY

[0005] The utility model aims at the above-mentioned problem and provides a multifunctional seat armrest.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: this multi -functional seat armrest, including armrest mounting bracket and the armrest seat of movable setting in the upper end of armrest mounting bracket, the upper end fixed of armrest mounting bracket is equipped with mounting bracket fixed seat, the upper end of mounting bracket fixed seat has the armrest mounting shaft of movable wearing in the armrest seat, be equipped with the movable passageway of setting along the armrest seat length direction extension in the armrest seat, the lower side of armrest seat is equipped with the strip -shaped hole for the armrest mounting shaft passes through and with movable passageway same direction setting and intercommunication, movable passageway is equipped with the moving seat of movable setting through the front -and-back movement adjusting mechanism in the movable passageway, the middle part of moving seat has the rotating hole, and the rotating seat that is connected with the armrest mounting shaft is equipped with through the circumferential rotation adjusting mechanism in the rotating hole, and the circumferential movable setting of moving seat in movable passageway can be conveniently through the front -and-back movement adjusting mechanism, and the armrest mounting shaft is connected with moving seat and can play the front -and-back limiting effect to moving seat through the strip -shaped hole, can limit the stroke of moving seat, and the circumferential rotation adjusting mechanism can make the armrest seat rotate setting armrest seat on through rotating seat, improve the rotation efficiency of armrest seat, guarantee the rotation effect.

[0007] In the above-mentioned multi-functional seat armrest, the rotating hole is a circular hole, and the rotating seat is a disc that matches the rotating hole, an axle hole is arranged at the bottom of the rotating hole and concentric with the rotating hole, the upper end of the armrest mounting shaft passes through the axle hole and is connected with the bottom of the rotating seat, the diameter of the axle hole is smaller than that of the rotating hole, the rotating seat can be placed conveniently through the rotating hole, the armrest mounting shaft can be positioned and limited through the axle hole, the installation effect of the armrest mounting shaft is guaranteed, and the installation efficiency is improved.

[0008] In the above-mentioned multi-functional seat armrest, the bottom of the rotating seat has a non-circular positioning groove, the center of the positioning groove has a positioning column, the upper end of the armrest mounting shaft has a positioning block that extends into the rotating hole and matches the shape of the positioning groove, the positioning block is inserted into the positioning groove, and the positioning block is provided with a positioning hole for the positioning column, a plurality of upper screw holes are arranged in the rotating seat and penetrate the positioning groove, the upper screw holes correspond to lower screw holes arranged on the positioning block, the upper screw holes are connected with the lower screw holes through positioning bolts, the positioning groove and the positioning block, the positioning column and the positioning hole can further improve the positioning and installation efficiency between the rotating seat and the armrest mounting shaft, and the installation stability between the rotating seat and the armrest mounting shaft is guaranteed through the upper screw holes and the lower screw holes.

[0009] In the multifunctional seat armrest, the circumferential rotating adjusting mechanism comprises at least one circumferential positioning block movably arranged on the moving base and located at the circumferential periphery of the rotating hole, the lower end of the rotating base is provided with a plurality of circumferential positioning grooves on the circumferential outer side, one end of the circumferential positioning block movably extends into the rotating hole and abuts against any one of the circumferential positioning grooves, the circumferential positioning block and the circumferential positioning groove can facilitate the rotating base to rotate and lock, and the elastic movable mounting assembly can facilitate the circumferential positioning block to be retracted and pressed to ensure the unlocking effect and the locking effect.

[0010] In the multifunctional seat armrest, the rotating base is coaxially connected with a rotating disc at the lower end, the diameter of the rotating disc is smaller than that of the rotating base, the circumferential positioning grooves are uniformly arranged on the circumferential outer side of the rotating disc, the circumferential positioning grooves are arc grooves, and one end of the circumferential positioning block is provided with an arc-shaped portion matched with the circumferential positioning grooves, the rotating disc can facilitate the circumferential positioning block to be pressed and arranged, and the arc-shaped portion can improve the locking effect between the circumferential positioning block and the circumferential positioning groove.

[0011] In the multifunctional seat armrest, the number of the circumferential positioning blocks is two, and the two circumferential positioning blocks are symmetrically arranged on the two sides of the rotating hole along the length direction of the moving base, the elastic movable mounting assembly comprises a positioning block mounting groove arranged on the moving base and located on the outer side of the rotating hole, the circumferential positioning blocks are axially movably arranged in the positioning block mounting groove, one end of the circumferential positioning block extends out of the positioning block mounting groove and extends into the rotating hole, and a circumferential positioning spring is arranged between the other end of the circumferential positioning block and the positioning block mounting groove, the positioning block mounting groove can facilitate the circumferential positioning block to be mounted and placed, and the circumferential positioning spring can facilitate the circumferential positioning block to be pressed and reset to ensure the pressing effect and the resetting efficiency of the circumferential positioning block.

[0012] In the multifunctional seat armrest, the front-back moving adjusting mechanism comprises a plurality of front-back positioning grooves arranged on at least one side of the movable channel in sequence and in an arc shape, one end of the moving base is movably provided with a front-back positioning block extending out of the side of the moving base through an elastic side portion mounting assembly, and the front-back positioning block is provided with a front-back positioning portion at one end, the front-back positioning portion is arc-shaped and can abut against one of the front-back positioning grooves, the front-back positioning grooves can facilitate the front-back positioning block to be mounted and placed, the front-back positioning portion can ensure the locking effect between the front-back positioning block and the front-back positioning groove, the elastic side portion mounting assembly can make the moving base drive the front-back positioning block to retract when the moving base moves forward and backward, and the front-back positioning block can be pressed and arranged on the front-back positioning groove when the moving base stops moving to ensure the pressing and locking effect.

[0013] In the multifunctional seat armrest, the front and rear positioning blocks are two and movably arranged at the two ends of the moving seat, the elastic side mounting assembly comprises a positioning block rectangular mounting hole arranged at the side of the moving seat, one end of the front and rear positioning block away from the front and rear positioning part is movably arranged in the positioning block rectangular mounting hole, and a front and rear positioning spring abutting against the front and rear positioning block is arranged in the positioning block rectangular mounting hole.

[0014] In the multifunctional seat armrest, the armrest mounting frame is of an up-down telescopic structure, the mounting frame housing is open at the upper end, the mounting frame fixed seat is fixedly arranged in the open inner side of the mounting frame housing, the cover plate is arranged on the upper end of the mounting frame housing and can close the opening for the armrest mounting shaft to pass through, the mounting frame connecting rod is movably arranged in the mounting frame housing, the upper end of the mounting frame connecting rod is connected with the mounting frame housing through the up-down adjusting structure, and the lower end of the mounting frame connecting rod is in a bent shape and passes out of the lower end of the mounting frame housing, the mounting frame housing can protect the mounting frame connecting rod and improve the aesthetic appearance, and the up-down adjusting structure can conveniently adjust the height of the armrest seat and improve the user experience.

[0015] In the multifunctional seat armrest, the up-down adjusting structure comprises an up-down movable groove transversely penetrating the upper end of the mounting frame connecting rod and arranged along the axial direction of the mounting frame connecting rod, one side of the up-down movable groove is provided with a plurality of up-down locking grooves arranged in sequence, the locking frame body extending into the up-down movable groove is movably arranged in the inner side of the upper end of the mounting frame connecting rod, the upper end of the locking frame body is hingedly connected with the lower end of the mounting frame fixed seat, the lower end of the locking frame body is provided with a clamping shaft capable of being clamped with one of the up-down locking grooves, the locking frame body is provided with an adjusting button penetrating out of the mounting frame housing on one side and a spring mounting seat on the other side, and the spring mounting seat is provided with a pressing spring on one side of the lower end of the mounting frame fixed seat, the up-down movable groove can conveniently movably arrange the locking frame body, the clamping shaft can be conveniently clamped with the up-down locking groove of different heights, the height adjustment stability is ensured, the adjusting button can drive the locking frame body to displace to unlock the clamping shaft, and the spring mounting seat can drive the locking frame body to reset to ensure the locking effect between the clamping shaft and the up-down locking groove.

[0016] Compared with the prior art, the multifunctional seat armrest has the following advantages:

[0017] 1. The front-to-back movement adjustment mechanism and the circumferential rotation adjustment mechanism are set together, which can reduce the area occupied by the armrest seat and make it easier for users to operate.

[0018] 2. The forward and backward adjustment mechanism allows the armrest seat to be positioned on the armrest mounting frame, and the elastic side mounting components ensure a locking effect after displacement.

[0019] 3. The circumferential rotation adjustment mechanism allows the armrest seat to rotate circumferentially on the armrest mounting frame, and the elastic movable mounting components ensure a locking effect after rotation.

[0020] 4. The height of the armrest seat can be easily adjusted by the up-down adjustment structure, which improves the user experience. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the structure of this utility model.

[0022] Figure 2 This is a structural cross-sectional view of the present invention.

[0023] Figure 3 This is an exploded view of the structure of the elastic side mounting component in this utility model.

[0024] Figure 4 This is an exploded view of the circumferential rotation adjustment mechanism in this utility model.

[0025] Figure 5 This is a schematic diagram of the rotating seat in this utility model.

[0026] Figure 6 This is a cross-sectional view of the vertical adjustment structure in this utility model.

[0027] In the diagram: 1. Handrail mounting bracket; 11. Mounting bracket housing; 12. Opening; 13. Cover plate; 14. Mounting bracket connecting rod; 2. Handrail seat; 21. Movable channel; 22. Strip hole; 3. Mounting bracket fixing seat; 31. Handrail mounting shaft; 4. Front and rear movement adjustment mechanism; 41. Front and rear positioning groove; 42. Front and rear positioning block; 43. Front and rear positioning part; 5. Moving seat; 51. Rotating hole; 52. Shaft hole; 6. Circumferential rotation adjustment mechanism; 61. Circumferential positioning block; 62. Circumferential positioning groove; 63. Arc-shaped part; 7. Rotating seat; 71. Positioning groove. 72. Positioning pin; 73. Positioning block; 74. Positioning hole; 75. Upper screw hole; 76. Lower screw hole; 77. Rotary disk; 8. Elastic movable mounting assembly; 81. Positioning block mounting groove; 82. Circumferential positioning spring; 9. Elastic side mounting assembly; 91. Positioning block rectangular mounting hole; 92. Front and rear positioning spring; 10. Up and down adjustment structure; 101. Up and down movable groove; 102. Up and down locking groove; 103. Locking frame; 104. Snap-fit ​​shaft; 105. Adjustment button; 106. Spring mounting seat; 107. Top pressure spring. Detailed Implementation

[0028] The utility model will be explained in further detail below in combination with the drawings and specific embodiments.

[0029] As Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 As shown in the figure, the multifunctional armrest of the seat comprises an armrest mounting frame 1 and an armrest seat 2 movably arranged at the upper end of the armrest mounting frame 1, the upper end of the armrest mounting frame 1 is fixedly provided with a mounting frame fixing seat 3, the upper end of the mounting frame fixing seat 3 is provided with an armrest mounting shaft 31 movably arranged in the armrest seat 2, the armrest seat 2 is provided with a movable channel 21 extending along the length direction of the armrest seat 2, the lower side of the armrest seat 2 is provided with a strip-shaped hole 22 through which the armrest mounting shaft 31 passes and which is arranged in the same direction as the movable channel 21 and is in communication with each other, the movable channel 21 is movably provided with a moving seat 5 through a front and back moving adjustment mechanism 4, the middle part of the moving seat 5 is provided with a rotating hole 51, the rotating hole 51 is provided with a rotating seat 7 connected with the armrest mounting shaft 31 through a circumferential rotating adjustment mechanism 6, the moving seat 5 can be circumferentially movably arranged in the movable channel 21 through the front and back moving adjustment mechanism 4, the armrest mounting shaft 31 is connected with the moving seat 5 and can limit the front and back movement of the moving seat 5 through the strip-shaped hole 22, the stroke of the moving seat 5 can be limited, and the circumferential rotating adjustment mechanism 6 can make the armrest seat 2 rotate through the rotating seat 7, improve the rotating efficiency of the armrest seat 2 and ensure the rotating effect.

[0030] Specifically, the rotating hole 51 is in the shape of a circular hole and the rotating seat 7 is in the shape of a disc matched with the rotating hole 51, the bottom of the rotating hole 51 is provided with an axle hole 52 concentrically arranged with the rotating hole 51, the upper end of the armrest mounting shaft 31 passes through the axle hole 52 and is connected with the bottom of the rotating seat 7, the diameter of the axle hole 52 is smaller than that of the rotating hole 51, the rotating seat 7 can be placed through the rotating hole 51, the armrest mounting shaft 31 can be positioned and limited through the axle hole 52, the installation effect of the armrest mounting shaft 31 is ensured and the installation efficiency is improved.

[0031] The rotating seat 7 has a non-circular positioning groove 71 at the bottom, the center of the positioning groove 71 has a positioning column 72, the upper end of the handrail mounting shaft 31 has a positioning block 73 extending into the rotating hole 51 and matching the shape of the positioning groove 71, the positioning block 73 is inserted into the positioning groove 71, and the positioning block 73 is provided with a positioning hole 74 for the positioning column 72 to insert, and the rotating seat 7 is further provided with a plurality of upper screw holes 75 penetrating the positioning groove 71, the upper screw holes 75 correspond to lower screw holes 76 on the positioning block 73, the upper screw holes 75 are connected with the lower screw holes 76 through positioning bolts, and the positioning groove 71, the positioning block 73, the positioning column 72 and the positioning hole 74 can further improve the positioning and mounting efficiency between the rotating seat 7 and the handrail mounting shaft 31, and the upper screw holes 75 and the lower screw holes 76 can ensure the mounting stability between the rotating seat 7 and the handrail mounting shaft 31.

[0032] As shown in Figure 3 , Figure 4 , Figure 5 The circumferential rotation adjusting mechanism 6 includes at least one circumferential positioning block 61 movably arranged on the moving seat 5 through an elastic movable mounting assembly 8 and located at the circumferential periphery of the rotating hole 51, the lower end of the rotating seat 7 is provided with a plurality of circumferential positioning grooves 62, and one end of the circumferential positioning block 61 movably extends into the rotating hole 51 and abuts against any one of the circumferential positioning grooves 62, the circumferential positioning block 61 and the circumferential positioning groove 62 can facilitate the rotating seat 7 to be locked in rotation, and the elastic movable mounting assembly 8 can facilitate the circumferential positioning block 61 to be retracted and pressed, thereby ensuring the unlocking effect and the locking effect.

[0033] Further, the rotating seat 7 is coaxially connected with a rotating disc 77 at the lower end, the diameter of the rotating disc 77 is smaller than that of the rotating seat 7, the circumferential positioning grooves 62 are uniformly arranged on the circumferential outer side of the rotating disc 77, the circumferential positioning grooves 62 are arc-shaped grooves, and one end of the circumferential positioning block 61 has an arc-shaped portion 63 matching the circumferential positioning grooves 62, the rotating disc 77 can facilitate the circumferential positioning block 61 to be pressed, and the arc-shaped portion 63 can improve the locking effect between the circumferential positioning block 61 and the circumferential positioning groove 62.

[0034] The number of the circumferential positioning blocks 61 is two and they are symmetrically arranged on both sides of the rotating hole 51 along the length direction of the moving seat 5, the elastic movable mounting assembly 8 includes a positioning block mounting groove 81 arranged on the moving seat 5 and located at the outer side of the rotating hole 51, the circumferential positioning blocks 61 are axially movably arranged in the positioning block mounting groove 81, one end of the circumferential positioning block 61 penetrates out of the positioning block mounting groove 81 and extends into the rotating hole 51, and the circumferential positioning spring 82 is arranged between the other end of the circumferential positioning block 61 and the positioning block mounting groove 81, the positioning block mounting groove 81 can facilitate the circumferential positioning block 61 to be placed, and the circumferential positioning spring 82 can facilitate the circumferential positioning block 61 to be pressed and reset, thereby ensuring the pressing effect and the reset efficiency of the circumferential positioning block 61.

[0035] Combining Figure 2 , Figure 3 , Figure 4 , Figure 6 As shown in the figure, the front and rear movement adjusting mechanism 4 includes a plurality of front and rear positioning grooves 41 arranged in sequence on at least one side of the movable channel 21 and in an arc shape. The side of the moving seat 5 is movably provided with a front and rear positioning block 42 passing out of the side of the moving seat 5 through the elastic side mounting assembly 9. One end of the front and rear positioning block 42 has a front and rear positioning portion 43 in an arc shape and capable of abutting against one of the front and rear positioning grooves 41. The front and rear positioning block 42 can be conveniently installed and placed through the front and rear positioning grooves 41. The locking effect between the front and rear positioning block 24 and the front and rear positioning groove 41 can be ensured through the front and rear positioning portion 43. The front and rear positioning block 42 can be retracted when the moving seat 5 moves forward and backward through the elastic side mounting assembly 9. When the moving seat 5 stops moving, the front and rear positioning block 42 can be pressed and set on the front and rear positioning groove 41 to ensure the pressing and locking effect.

[0036] The number of front and rear positioning blocks 42 is two and they are movably arranged at both ends of one side of the moving seat 5 to ensure the locking effect. The elastic side mounting assembly 9 includes a positioning block rectangular mounting hole 91 arranged on the side of the moving seat 5. One end of the front and rear positioning block 42 away from the front and rear positioning portion 43 is movably arranged in the positioning block rectangular mounting hole 91 and a front and rear positioning spring 92 abutting against the front and rear positioning block 42 is arranged in the positioning block rectangular mounting hole 91. The front and rear positioning block 42 can be conveniently installed and placed through the positioning block rectangular mounting hole 91. The front and rear positioning block 42 can be retracted and pressed through the front and rear positioning spring 92 to ensure the locking effect between the front and rear positioning block 42 and the front and rear positioning groove 41.

[0037] Specifically, the handrail mounting bracket 1 is of an up-down telescopic structure. The handrail mounting bracket 1 includes a mounting bracket shell 11. The mounting bracket fixed seat 3 is fixedly arranged on the inner side of the opening 12 of the mounting bracket shell 11. The mounting bracket shell 11 is provided with a cover plate 13 capable of closing the opening 12 for the handrail mounting shaft 31 to pass through. The mounting bracket fixed seat 3 can be conveniently installed and placed through the opening 12. The opening 12 can be closed through the cover plate 13 and the aesthetic effect can be achieved. The mounting bracket connecting rod 14 is movably arranged in the mounting bracket shell 11. The upper end of the mounting bracket connecting rod 14 is connected with the mounting bracket shell 11 through the up-down adjusting structure 10. The lower end of the mounting bracket connecting rod 14 is bent and passes out of the lower end of the mounting bracket shell 11. The mounting bracket connecting rod 14 can be protected through the mounting bracket shell 11 and the aesthetic effect can be improved. The height of the handrail seat 2 can be conveniently adjusted through the up-down adjusting structure 10 to improve the user experience.

[0038] Combining Figure 2 ,Figure 6 As shown, the up-down adjusting structure 10 comprises an up-down movable slot 101 arranged axially through the upper end of the mounting connecting rod 14 and transversely across the mounting connecting rod 14, and a plurality of up-down locking slots 102 arranged in sequence on one side of the up-down movable slot 101, and a locking frame body 103 movably arranged in the inner side of the upper end of the mounting connecting rod 14 and extending into the up-down movable slot 101, and the upper end of the locking frame body 103 is hingedly connected to the lower end of the mounting fixed seat 3, and the lower end of the locking frame body 103 has a clamping shaft 104 capable of being clamped with one of the up-down locking slots 102, and the locking frame body 103 has an adjusting button 105 passing out of the mounting shell 11 on one side and a spring mounting seat 106 on the other side, and the spring mounting seat 106 is provided with a pressing spring 107 on one side of the lower end of the mounting fixed seat 3, and the locking frame body 103 can be conveniently arranged up and down in the up-down movable slot 101, which can conveniently clamp the clamping shaft 104 with the up-down locking slots 102 of different heights, ensure the height adjusting stability, and through the adjusting button 105, the locking frame body 103 can be displaced to unlock the clamping shaft 104, and through the spring mounting seat 106, the locking frame body 103 can be reset to ensure the locking effect between the clamping shaft 104 and the up-down locking slot 102.

[0039] The principle of the embodiment is that the moving seat 5 can be arranged movably in the movable channel 21 by the forward and backward moving adjusting mechanism 4, and the handrail seat 2 can be arranged displacably on the handrail mounting frame 1, the handrail seat 2 can be arranged circumferentially on the handrail mounting frame 1 by the circumferential rotating adjusting mechanism 6, and the height of the handrail mounting frame 1 can be adjusted by the up-down adjusting structure 10, so that the height of the handrail seat 2 can be adjusted.

[0040] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art of the present application can make various modifications or supplements to the described specific embodiments or replace them with similar ways, without departing from the spirit of the present application or exceeding the scope defined by the appended claims.

[0041] Although the terms handrail mounting frame 1, mounting frame shell 11, open mouth 12, cover plate 13, mounting frame connecting rod 14, handrail seat 2, movable channel 21, strip-shaped hole 22, mounting frame fixing seat 3, handrail mounting shaft 31, front and back movement adjusting mechanism 4, front and back positioning groove 41, front and back positioning block 42, front and back positioning part 43, movement seat 5, rotating hole 51, shaft hole 52 circumferential rotation adjusting mechanism 6, circumferential positioning block 61, circumferential positioning groove 62, arc-shaped part 63, rotating seat 7, positioning groove 71, positioning column 72, positioning block 73, positioning hole 74, upper screw hole 75, lower screw hole 76, rotating disc 77, elastic movable mounting assembly 8, positioning block mounting groove 81, circumferential positioning spring 82, elastic side part mounting assembly 9, positioning block rectangular mounting hole 91, front and back positioning spring 92, up and down adjusting structure 10, up and down movable groove 101, up and down locking groove 102, locking frame body 103, clamping shaft 104, adjusting button 105, spring mounting seat 106, top pressing spring 107 are used more in the text, the possibility of using other terms is not excluded. The use of these terms is only to facilitate the description and explanation of the essence of the utility model; any kind of additional limitation is contrary to the spirit of the utility model.

Claims

1. A multifunctional armrest of a seat, comprising an armrest mounting frame (1) and an armrest seat (2) movably arranged at the upper end of the armrest mounting frame (1), characterized in that, The handrail mounting frame (1) is provided with a mounting frame fixing seat (3) at the upper end, the mounting frame fixing seat (3) is provided with a handrail mounting shaft (31) movably penetrating into the handrail seat (2) at the upper end, a movable channel (21) extending along the length direction of the handrail seat (2) is arranged in the handrail seat (2), a strip-shaped hole (22) is arranged at the lower side of the handrail seat (2) and penetrates the handrail mounting shaft (31) and is arranged in the same direction with the movable channel (21) and is in communication with each other, a moving seat (5) is movably arranged in the movable channel (21) through a front and back moving adjusting mechanism (4), the moving seat (5) is provided with a rotating hole (51) at the middle part, a rotating seat (7) connected with the handrail mounting shaft (31) is arranged in the rotating hole (51) through a circumferential rotating adjusting mechanism (6).

2. A multi-functional armrest according to claim 1, wherein The rotating hole (51) is a circular hole and the rotating seat (7) is a disc matched with the rotating hole (51), an axle hole (52) concentrically arranged with the rotating hole (51) is arranged at the bottom of the rotating hole (51), and the upper end of the handrail mounting shaft (31) penetrates the axle hole (52) and is connected with the bottom of the rotating seat (7).

3. A multi-functional armrest according to claim 2, wherein The bottom of the rotating seat (7) is provided with a non-circular positioning groove (71), the center of the positioning groove (71) is provided with a positioning column (72), the upper end of the handrail mounting shaft (31) is provided with a positioning block (73) extending into the rotating hole (51) and matched with the shape of the positioning groove (71), the positioning block (73) is inserted into the positioning groove (71), and the positioning block (73) is provided with a positioning hole (74) for inserting the positioning column (72), and the rotating seat (7) is further provided with a plurality of upper screw holes (75) penetrating the positioning groove (71), the upper screw holes (75) correspond to lower screw holes (76) arranged on the positioning block (73), and the upper screw holes (75) are connected with the lower screw holes (76) through positioning bolts.

4. The multi-functional armrest according to claim 1 or 2 or 3, characterized in that, The circumferential rotating adjusting mechanism (6) comprises at least one circumferential positioning block (61) movably arranged on the moving seat (5) through an elastic movable mounting assembly (8) and located at the circumferential periphery of the rotating hole (51), the lower end of the rotating seat (7) is provided with a plurality of circumferential positioning grooves (62), and one end of the circumferential positioning block (61) movably extends into the rotating hole (51) and abuts against any one of the circumferential positioning grooves (62).

5. A multi-functional armrest according to claim 4, wherein The lower end of the rotating seat (7) is coaxially connected with a rotating disc (77), the diameter of the rotating disc (77) is smaller than that of the rotating seat (7), the circumferential positioning grooves (62) are uniformly arranged at the circumferential outer side of the rotating disc (77), the circumferential positioning grooves (62) are arc grooves, and one end of the circumferential positioning block (61) is provided with an arc-shaped part (63) matched with the circumferential positioning grooves (62).

6. A multi-functional armrest according to claim 4, wherein The circumferential positioning block (61) is provided in two numbers and symmetrically arranged along the length direction of the moving seat (5) on both sides of the rotating hole (51), the elastic movable mounting assembly (8) comprises a positioning block mounting slot (81) arranged on the moving seat (5) and located outside the rotating hole (51), the circumferential positioning block (61) is movably arranged in the positioning block mounting slot (81), one end of the circumferential positioning block (61) extends out of the positioning block mounting slot (81) and extends into the rotating hole (51), and the other end of the circumferential positioning block (61) is provided with a circumferential positioning spring (82) between the positioning block mounting slot (81).

7. The multi-functional seat armrest of claim 1, wherein The front-back moving adjusting mechanism (4) comprises a plurality of front-back positioning slots (41) arranged in sequence on at least one side of the movable channel (21) and in an arc shape, one side of the moving seat (5) is movably provided with a front-back positioning block (42) extending out of the side of the moving seat (5) through the elastic side mounting assembly (9), and one end of the front-back positioning block (42) has a front-back positioning portion (43) in an arc shape and capable of abutting against one of the front-back positioning slots (41).

8. A multi-functional armrest according to claim 7, wherein The front-back positioning block (42) is provided in two numbers and movably arranged at both ends of one side of the moving seat (5); the elastic side mounting assembly (9) comprises a positioning block rectangular mounting hole (91) arranged on the side of the moving seat (5), one end of the front-back positioning block (42) away from the front-back positioning portion (43) is movably arranged in the positioning block rectangular mounting hole (91) and provided with a front-back positioning spring (92) abutting against the front-back positioning block (42) in the positioning block rectangular mounting hole (91).

9. The multi-functional seat armrest of claim 1, wherein, The handrail mounting frame (1) is of an upper-lower telescopic structure, the mounting frame (1) comprises a mounting frame shell (11), the mounting frame shell (11) is open at the upper end (12), the mounting frame fixed seat (3) is fixedly arranged inside the open end (12) of the mounting frame shell (11), the mounting frame shell (11) is provided with a cover plate (13) capable of closing the open end (12) for the handrail mounting shaft (31) to pass through, the mounting frame connecting rod (14) is movably arranged in the mounting frame shell (11), the upper end of the mounting frame connecting rod (14) is connected with the mounting frame shell (11) through the upper-lower adjusting structure (10), and the lower end of the mounting frame connecting rod (14) is bent and extends out of the lower end of the mounting frame shell (11).

10. A multi-functional armrest according to claim 9, wherein The upper and lower adjusting structure (10) comprises an upper and lower movable slot (101) which is arranged axially along the upper end of the mounting frame connecting rod (14) and penetrates the upper end of the mounting frame connecting rod (14) transversely, the upper and lower movable slot (101) has a plurality of upper and lower locking slots (102) which are arranged sequentially at one side of the upper and lower movable slot (101), the inside of the upper end of the mounting frame connecting rod (14) is movably penetrated by a locking frame body (103) which extends into the upper and lower movable slot (101), the upper end of the locking frame body (103) is hingedly connected with the lower end of the mounting frame fixed seat (3), the lower end of the locking frame body (103) has a clamping shaft (104) which can be clamped with one of the upper and lower locking slots (102), one side of the locking frame body (103) has an adjusting button (105) which penetrates out of the mounting frame shell (11), the other side of the locking frame body (103) has a spring mounting seat (106), and the spring mounting seat (106) is provided with a pressing spring (107) at one side of the lower end of the mounting frame fixed seat (3).

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