CN113331624B - Multifunctional armrest - Google Patents
Multifunctional armrest Download PDFInfo
- Publication number
- CN113331624B CN113331624B CN202110764177.9A CN202110764177A CN113331624B CN 113331624 B CN113331624 B CN 113331624B CN 202110764177 A CN202110764177 A CN 202110764177A CN 113331624 B CN113331624 B CN 113331624B
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- locking
- sliding piece
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- base
- pressing plate
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- 238000001125 extrusion Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/54—Supports for the arms
- A47C7/541—Supports for the arms of adjustable type
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- Seats For Vehicles (AREA)
Abstract
The utility model discloses a multifunctional armrest, which comprises: the handrail panel assembly comprises a base, a longitudinal sliding piece is arranged in the base, a transverse sliding piece is arranged in the longitudinal sliding piece, and a rotating block is arranged on the transverse sliding piece; the upper end of the supporting rod is provided with a connecting column connected with the rotating block, and the connecting column is circumferentially fixed with the rotating block; the locking and adjusting mechanism comprises a locking pressing plate and a control switch; the locking pressing plate can slide along the transverse direction; one side of the base is provided with fixed teeth, and the locking pressing plate is provided with movable teeth; the upper end of the rotating block rotates the locking tooth, two sides of the rotating locking tooth are provided with clamping strips which are clamped with the rotating locking tooth; in the locking position, the movable teeth are in toothed engagement with the fixed teeth, and the locking pressing plate acts on the clamping strip to fix the clamping strip and the rotary locking teeth; under the unblock position, act on control switch in order to promote the locking clamp plate and make the tooth break away from the tooth that decides, the card strip can carry out elasticity flexible along longitudinal direction, and the base can be adjusted in longitudinal, horizontal and three direction of circumference simultaneously.
Description
Technical Field
The utility model relates to the field of seats, in particular to a locking device of a multifunctional armrest.
Background
With the development of society, the requirements of people on the comfort of the armrests of the chairs are higher and higher, so that the armrests gradually develop from the original mechanical fixed type to the adjustable type; the existing multifunctional armrests on the market generally have the functions of armrest rotation, armrest forward and backward movement adjustment and armrest left and right movement adjustment, however, the adjustable armrests are not provided with a locking structure, so that the adjustment is easy to be carried out by mistake; or each adjusting direction is provided with a locking structure, so that the appearance is bloated and disordered, and the use effect is poor. It is therefore desirable to design a handrail that can be adjusted in three directions, longitudinal, transverse and circumferential, with the adjustment in three directions being controlled by one control.
The utility model discloses a multi-dimensional adjustable handrail capable of being locked by one key, which comprises a handrail plate, a supporting rod and a mounting seat, wherein a longitudinal moving groove is formed in the handrail plate, a longitudinal sliding block is arranged in the longitudinal moving groove, a rotating block is arranged in the longitudinal sliding block, a connecting cover plate is arranged at the top of the supporting rod, a longitudinal locking tooth slot is formed on one side of the longitudinal moving groove, a rotary locking tooth slot is formed on one side of the rotating block, a transverse locking tooth slot is formed on the connecting cover plate, a locking piece is arranged above the rotating block, longitudinal locking teeth are formed on the locking piece, rotary locking teeth of the rotary locking tooth slot are formed at the bottom of the locking piece, an inclined guide groove is formed in the locking piece, a connecting rod is arranged in the inclined guide groove, transverse locking teeth are formed in the handrail plate, push rods are arranged in the handrail plate, keys are respectively arranged at two ends of the push rods, the middle of each push rod is hinged with the handrail plate, and locking of one key can realize transverse, longitudinal and steering locking of the handrail. The armrest aims at one-key locking of the armrest lifting, the armrest moving back and forth and the armrest rotating, and can not realize the movement adjustment and locking of the armrest in the left and right directions.
The Chinese patent of CN201921528589.7 discloses a locking type adjustable armrest which comprises an armrest plate, a supporting rod and a mounting seat, wherein a longitudinal moving frame is arranged in the armrest plate, a rotary frame piece is arranged in the longitudinal moving frame, a rotary block is arranged in the rotary frame piece, a locking frame piece is arranged at the top of the rotary block, a longitudinal locking tooth slot is arranged at one side of the longitudinal moving frame, a longitudinal locking tooth is arranged at one side of the locking frame piece, a rotary locking tooth slot is arranged at one side of the rotary block, a rotary locking tooth is arranged at the bottom of the locking frame piece, a push bar is arranged in the locking frame piece, two sides of the push bar are propped against the locking frame piece, the push bar is rotationally connected with the longitudinal moving frame, and two sides of the end part of the push bar are respectively connected with a key and a first spring. And in the specification of this patent is also described: in addition, the steel balls are arranged in the opening and the circular arc groove to limit the upper plate and the lower plate to move transversely relative to each other, so that the locking function of the transverse movement of the handrail plate is realized; then the adjusting mechanism arranged in the handrail plate can only realize the one-key locking function of longitudinal and rotary adjustment of the handrail plate, and does not have the transverse movement adjusting and locking functions of the handrail plate.
Disclosure of Invention
The multifunctional handrail overcomes the defects in the prior art, and the multifunctional handrail can enable the base to be adjusted in the longitudinal direction, the transverse direction and the circumferential direction under the action of the longitudinal sliding piece, the transverse sliding piece and the rotating block; under the action of the locking mechanism, the armrest can be locked and unlocked by one key only by controlling one control switch, so that the armrest can be adjusted very conveniently and rapidly.
The technical scheme of the utility model is realized as follows:
a multi-functional armrest comprising: the handrail panel assembly comprises a base, a longitudinal sliding piece is arranged in the base, and the base can slide along the longitudinal direction relative to the longitudinal sliding piece; the longitudinal sliding piece is internally provided with a transverse sliding piece, and can slide along the transverse direction relative to the transverse sliding piece; the transverse sliding piece is provided with a rotating block, and can circumferentially rotate relative to the rotating block; the support rod is used for supporting the handrail panel assembly, the upper end of the support rod is provided with a connecting column which protrudes upwards and is connected with the rotating block, and the connecting column is circumferentially fixed with the rotating block; the locking adjusting mechanism comprises a locking pressing plate and a control switch; the locking pressing plate and the longitudinal sliding piece are kept relatively fixed along the longitudinal direction; the locking pressing plate can slide along the transverse direction relative to the longitudinal sliding piece; fixed teeth which are arranged at intervals along the longitudinal direction are arranged on one side of the base, and movable teeth which can be in toothed engagement with the fixed teeth are correspondingly arranged on the locking pressing plate; the upper end of the rotating block is provided with a rotating lock tooth along the circumferential direction, two side mirror images of the rotating lock tooth are provided with clamping strips, the clamping strips and the longitudinal sliding piece are relatively fixed in the transverse direction, and the clamping strips are provided with clamping teeth which can be clamped with the rotating lock tooth; the control switch comprises a button and a push bar which is clamped with one side of the locking pressing plate; the locking pressing plate is provided with a locking position and an unlocking position, in the locking position, the movable teeth are in toothed engagement with the fixed teeth, and the locking pressing plate acts on the clamping strip to fix the clamping strip and the rotary locking teeth, so that the base is in a fixed state; under the unblock position, act on control switch in order to promote the locking clamp plate and make the tooth break away from the tooth that decides, the relative card strip of locking clamp plate removes and makes the card strip can carry out elasticity flexible along longitudinal direction, and the base can be adjusted in longitudinal, horizontal and three directions of circumference simultaneously.
Preferably, the locking pressure plate is pressed on the upper end of the longitudinal sliding piece; a first spring is arranged between the locking pressing plate and the longitudinal sliding piece, and the first spring provides elastic force to enable the locking pressing plate to be located at the locking position all the time. So that the armrest can be automatically locked when the button is released.
Preferably, the side of the clamping strip far away from the clamping teeth is provided with protruding blocks protruding outwards at intervals, and a groove is formed between every two adjacent protruding blocks; a convex strip which can be abutted with the convex block is correspondingly arranged on the locking pressing plate; under the locking position, the convex strip is abutted with the convex block so that the clamping strip is firmly clamped with the rotary locking tooth. The convex strip can limit the movement of the clamping strip, so that the clamping strip locks the rotary lock teeth.
Preferably, an extrusion pushing block which can elastically stretch and retract in the longitudinal direction relative to the locking pressing plate is arranged between the locking pressing plate and the clamping strip, pushing blocks which are arranged at intervals are arranged on the extrusion pushing block, and the pushing blocks and the convex strips are arranged in a staggered manner; and in the unlocking position, the convex blocks are staggered with the convex strips and are abutted with the pushing blocks, and the convex strips are aligned with the grooves. Therefore, the clamping strip can push the extrusion pushing block to stretch in the longitudinal direction, and the clamping strip can stretch elastically in the longitudinal direction.
Preferably, the extrusion pushing block is in sliding fit on the locking pressing plate, and a second spring is arranged between the extrusion pushing block and the locking pressing plate. The second spring enables the armrest to have good damping effect in the transverse movement adjustment and the rotation adjustment in the unlocking position.
Preferably, the base is provided with a longitudinal chute, and the longitudinal sliding piece is arranged in the longitudinal chute in a sliding way; the longitudinal sliding piece and the base are kept relatively fixed in the transverse direction; and one of the base and the longitudinal sliding piece is provided with a longitudinal guide bar, and the other of the base and the longitudinal sliding piece is correspondingly provided with a longitudinal guide groove. So that the longitudinal sliding piece can slide smoothly and stably relative to the base.
Preferably, a transverse chute is arranged in the longitudinal sliding piece, and the transverse sliding piece is arranged in the transverse chute in a sliding way; the transverse sliding piece and the longitudinal sliding piece are kept relatively fixed in the longitudinal direction; and one of the longitudinal sliding piece or the transverse sliding piece is provided with a transverse guide bar, and the other of the longitudinal sliding piece or the transverse sliding piece is correspondingly provided with a transverse guide groove. So that the transverse sliding member can slide smoothly and smoothly relative to the longitudinal sliding member.
Preferably, a first avoidance window for avoiding movement of the base is arranged on the base, and a second avoidance window for avoiding movement of the longitudinal sliding member is arranged on the longitudinal sliding member; the connecting column sequentially passes through the first avoidance window and the second avoidance window.
Preferably, the armrest panel assembly further comprises an upper cover and an armrest cover plate which are sequentially connected and fixed at the upper end of the base; the locking and adjusting mechanism is arranged between the base and the upper cover. The locking and adjusting mechanism is hidden in the handrail, so that the outer part of the locking and adjusting mechanism is simple and attractive.
Preferably, the longitudinal direction is a longitudinal direction of the chassis, and the transverse direction is a width direction of the chassis.
The design starting point, the idea and the beneficial effects of the utility model adopting the technical scheme are as follows:
firstly, the utility model stacks and slides the longitudinal sliding piece and the transverse sliding piece in the base; the transverse sliding piece is rotatably provided with a rotating block, and a connecting column on the supporting rod is connected with the rotating block and circumferentially fixed; thereby enabling the base to be movable in a longitudinal direction, in a transverse direction, and in a rotational direction relative to the support bar.
Secondly, a locking and adjusting mechanism is skillfully arranged, the locking and adjusting mechanism comprises a locking pressing plate, and movable teeth and fixed teeth are arranged between the locking pressing plate and the base, so that the base can be locked in the longitudinal direction; the rotary block is also provided with rotary lock teeth, and clamping strips are arranged on two sides of the rotary lock teeth; the locking pressing plate can also act on the clamping strip to lock the clamping strip and the rotary locking tooth in the locking position, so that the base can be locked in three directions in the locking position; in the unlocking position, the fixed teeth are separated from the movable teeth, and the locking pressing plate pushes against the clamping strip to move and enable the clamping strip to elastically stretch in the longitudinal direction; thereby enabling the base to be capable of position adjustment in three directions simultaneously; the one-key locking and unlocking of a plurality of adjusting directions of the armrest are realized. The button is exposed outside the base. The operation is convenient by only pressing the button.
Drawings
FIG. 1 is a schematic perspective view of the handrail according to the embodiment of the present utility model;
FIG. 2 is a schematic perspective view of the components of the armrest according to an embodiment of the utility model;
FIG. 3 is an exploded view of the armrest in an embodiment of the present utility model;
FIG. 4 is a schematic perspective view of a handle panel assembly and a lock adjustment mechanism according to an embodiment of the present utility model;
FIG. 5 is a schematic perspective view showing the structure of the locking plate assembled on the base in the embodiment of the utility model;
FIG. 6 is a schematic perspective view of a locking pressure plate to be assembled in an embodiment of the present utility model;
FIG. 7 is a schematic perspective view of the engagement of the locking bar with the rotary lock teeth in an embodiment of the present utility model;
FIG. 8 is a schematic perspective view of the locking bar and locking plate in the locked position according to the embodiment of the present utility model;
FIG. 9 is a schematic perspective view of the engagement of the locking bar with the locking pressure plate in the unlocked position according to the embodiment of the present utility model;
fig. 10 is a schematic perspective view of a transverse slider rotating relative to a rotating block in an embodiment of the present utility model.
The reference numerals are as follows: a handrail panel assembly 1; a support bar 2; a lock adjustment mechanism 3; a base 4; a longitudinal chute 5; a longitudinal slide 6; a longitudinal guide bar 7; a longitudinal guide groove 8; a transverse chute 9; a lateral slider 10; a transverse guide bar 11; a lateral guide groove 12; a rotating block 13; a rotating groove 14; a shaft hole 15; a rotating shaft 16; a connecting column 17; a first escape window 18; a second escape window 19; a locking pressure plate 20; a control switch 21; a button 21a; push bar 21b; a fixed tooth 22; a movable tooth 23; a first spring 24; rotating the lock teeth 25; a clip strip 26; latch 26a; pressing the push block 27; a push block 27a; a second spring 28; a bump 29; a groove 30; a convex strip 31; an upper cover 32; and an armrest cover 33.
Description of the embodiments
In order that the above-recited objects, features and advantages of the present utility model will be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced in other ways than those described herein, and therefore the scope of the present utility model is not limited to the specific embodiments disclosed below.
In the description of the present utility model, the term "at least one" refers to one or more, unless explicitly defined otherwise. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, the longitudinal direction is along the length direction of the handrail, and the transverse direction is along the width direction of the handrail.
The specific embodiments of the present utility model are as follows:
as shown in fig. 1 to 10, the present utility model provides a multi-functional armrest including an armrest panel assembly 1, a support bar 2 for supporting the armrest panel assembly 1, and a lock adjustment mechanism 3 capable of performing movement adjustment of the armrest panel assembly 1 in a longitudinal direction, movement adjustment in a lateral direction, and rotation adjustment, and enabling one-key adjustment without a plurality of switch adjustments by the lock adjustment mechanism 3.
As shown in fig. 2-6, the handrail panel assembly 1 comprises a base 4, wherein the base 4 is rectangular; in this embodiment, the longitudinal direction is the length direction of the chassis 4, and the transverse direction is the width direction of the chassis 4. A longitudinal sliding groove 5 is arranged on the base 4, a longitudinal sliding piece 6 is arranged in the longitudinal sliding groove 5, the longitudinal sliding piece 6 and the base 4 are relatively fixed in the transverse direction, and the longitudinal sliding piece 6 can relatively slide in the longitudinal direction relative to the base 4; the specific sliding mode is as follows: a longitudinal guide strip 7 is arranged in the longitudinal chute 5 along the longitudinal direction, and a longitudinal guide groove 8 is correspondingly arranged at the bottom end of the longitudinal sliding piece 6; the longitudinal sliding piece 6 is embedded in the longitudinal sliding groove 5, and the longitudinal guide groove 8 is clamped into and in sliding fit with the longitudinal guide strip 7, so that the longitudinal sliding piece 6 can stably slide relative to the base 4.
Similarly, a transverse sliding groove 9 is provided in the longitudinal sliding member 6, a transverse sliding member 10 is provided in the transverse sliding groove 9, the transverse sliding member 10 and the longitudinal sliding member 6 are kept relatively fixed in the longitudinal direction, and the transverse sliding member 10 can slide in the transverse direction relative to the longitudinal sliding member 6, and the specific sliding mode is as follows: a transverse guide strip 11 arranged along the transverse direction is arranged in the transverse chute 9, and a transverse guide groove 12 is correspondingly arranged at the bottom of the transverse sliding piece 10; the transverse slide 10 is inserted into the transverse slide slot 9 and the transverse guide slot 12 is snapped into the transverse guide bar 11, so that the transverse slide 10 can be slid stably relative to the longitudinal slide 6.
As shown in fig. 2-3, the transverse sliding member 10 is further provided with a rotating block 13, the rotating block 13 is located at the middle position of the transverse sliding member 10, and the transverse sliding member 10 can rotate relative to the rotating block 13; the method specifically comprises the following steps: a rotating groove 14 is arranged on the upper surface of the transverse sliding piece 10, and a shaft hole 15 penetrating up and down is arranged in the rotating groove 14; the bottom surface of the rotating block 13 is provided with a rotating shaft 16 protruding downwards; the rotating block 13 is rotatably arranged in the rotating groove 14, and the rotating shaft 16 is in rotating fit with the shaft hole 15; thereby enabling the lateral slider 10 to rotate with respect to the rotating block 13.
Further, the method comprises the following steps: the upper end of the supporting rod 2 is provided with a connecting column 17 protruding upwards, a rectangular first avoiding window 18 is arranged at the middle position of the base 4, and a transverse second avoiding window 19 is arranged at the middle position of the longitudinal sliding piece 6; when the handrail panel assembly 1 is assembled, the longitudinal sliding piece 6 is in sliding fit in the base 4, the transverse sliding piece 10 is in sliding fit in the longitudinal sliding piece 6, the handrail panel assembly 1 is integrally arranged at the upper end of the supporting rod 2, and the connecting column 17 sequentially penetrates through the first avoidance window 18, the second avoidance window 19 and the shaft hole 15 and is fixedly connected with the rotating block 13; and the connecting post 17 is fixed to the rotating block 13 in the circumferential direction. Through the above-mentioned connection structure, under the action of the longitudinal sliding member 6, the transverse sliding member 10 and the rotating block 13, the base 4 can slide in the longitudinal direction relative to the support rod 2, the base 4 can slide in the transverse direction relative to the support rod 2, and the base 4 can also rotate circumferentially around the rotating block 13; thereby enabling the armrest to be adjusted in the longitudinal, transverse and circumferential directions. And as shown in fig. 10, the rotating block 13 is prismatic, which can limit the rotating angle of the base 4, and in the utility model, the maximum rotating angle of the base 4 is 60 degrees respectively, so that the armrest can be rotationally adjusted within a proper angle; further, the rotating block 13 may be configured to be circular, so that the base 4 can be adjusted by 360 ° rotation (not shown).
As shown in fig. 4-8, the locking and adjusting mechanism 3 can perform one-key locking and one-key unlocking on the adjustment of the base 4 in three directions, so that the armrest adjustment is very convenient and quick; the specific method is as follows: the lock adjustment mechanism 3 includes a lock pressing plate 20 provided on the longitudinal slider 6, and a control switch 21 capable of pushing the lock pressing plate 20; the locking pressing plate 20 is pressed on the upper end of the longitudinal sliding piece 6, the locking pressing plate 20 and the longitudinal sliding piece 6 are kept relatively fixed in the longitudinal direction, and the locking pressing plate 20 can slide in the transverse direction relative to the longitudinal sliding piece 6; fixed teeth 22 which are arranged at intervals along the longitudinal direction are arranged on one side of the longitudinal chute 5 of the base 4, and as shown in fig. 4, movable teeth 23 which can be in toothed engagement with the fixed teeth 22 are correspondingly arranged at the bottom end of the locking pressing plate 20; after the movable teeth 23 are meshed with the fixed teeth 22, the longitudinal sliding member 6 is fixed relative to the base 4, i.e. the longitudinal sliding adjustment of the base 4 can be locked. A first spring 24 is arranged between the locking pressing plate 20 and the longitudinal sliding piece 6, the first spring 24 is arranged along the transverse direction, and the first spring 24 can provide elastic force to ensure that the movable teeth 23 of the locking pressing plate 20 always have tooth connection trend with the fixed teeth 22; the control switch 21 is arranged on one side of the base 4 close to the fixed teeth 22, the control switch 21 comprises a button 21a and a push bar 21b, wherein the push bar 21b is clamped and fixed with the locking pressing plate 20, the button 21a is exposed out of the base 4, and the push bar 21b can limit the button 21a to be separated from the base 4; the armrest cover plate 33 is then provided with a locking position and an unlocking position, and in the locking position, the movable teeth 23 are in toothed engagement with the fixed teeth 22, so that the longitudinal adjustment of the base 4 is locked; in the unlocking position, pressing the button 21a pushes the locking presser 20 to slide so that the movable teeth 23 are disengaged from the fixed teeth 22, thereby unlocking the base 4, the base 4 being able to continue the sliding adjustment in the longitudinal direction with respect to the longitudinal slider 6.
Further, the method comprises the following steps: pressing the button 21a locks or unlocks the longitudinal adjustment of the base 4, and simultaneously locks or unlocks the lateral adjustment and the rotational adjustment of the base 4; as shown in fig. 3, 4 and 6-9, the upper end of the rotating block 13 is provided with a circle of rotating lock teeth 25 distributed along the circumferential direction, the locking adjusting mechanism 3 further comprises clamping strips 26 arranged at two sides of the rotating lock teeth 25 in a mirror image mode, and the clamping strips 26 are provided with clamping teeth 26a capable of being clamped with the rotating lock teeth 25; the length of the clamping strip 26 is consistent with the width of the longitudinal sliding piece 6, and the clamping strip 26 can only slide along the longitudinal mode relative to the longitudinal sliding piece 6; as shown in fig. 8, the side of the latch 26 away from the latch 26a is provided with protruding blocks 29 protruding outwards at intervals, and a groove 30 is formed between two adjacent protruding blocks 29; as shown in fig. 4 and 8, the lock plate 20 is provided with a convex strip 31 capable of abutting against the convex block 29; when the locking pressing plate 20 is in the locking position, the convex strips 31 will abut against the convex blocks 29, so that the clamping strips 26 will be clamped with the rotary locking teeth 25 all the time, thereby limiting the rotation of the transverse sliding member 10 relative to the rotary block 13, limiting the transverse sliding member 10 to slide transversely relative to the longitudinal sliding member 6, and then limiting the transverse sliding and rotation of the base 4; so that in this locked position the base 4 is in a fixed state. In addition, a pressing push block 27 capable of sliding and stretching in the transverse direction relative to the locking pressing plate 20 is arranged between the locking pressing plate 20 and the clamping strip 26, and a second spring 28 is arranged between the pressing push block 27 and the locking pressing plate 20; the extrusion pushing blocks 27 are provided with pushing blocks 27a which are arranged at intervals, and the pushing blocks 27a and the raised strips 31 are arranged in a staggered manner; as shown in fig. 9, when the pressing button 21a pushes the locking pressing plate 20, the locking pressing plate 20 moves relative to the clamping bar 26, so that the protruding block 29 on the clamping bar 26 is staggered with the protruding block 31 on the locking pressing plate 20, the protruding block 29 is abutted with the pushing block 27a, and the protruding block 31 is aligned with the groove 30, so that the clamping bar 26 can push the pressing pushing block 27 to stretch in the longitudinal direction, the clamping bar 26 can stretch elastically in the longitudinal direction, and the clamping teeth 26a cannot be clamped with the rotary locking teeth 25; in this unlocked position, therefore, the transverse slider 10 can rotate relative to the rotating block 13, the transverse slider 10 also being able to slide transversely relative to the longitudinal slider 6; the base 4 can slide and rotate transversely, and the base 4 has good damping effect when being adjusted under the elastic force of the second spring 28.
In summary, the armrest panel assembly 1 further includes an upper cover 32 and an armrest cover 33 sequentially connected and fixed to the upper end of the base 4, and when the assembly of the armrest panel assembly 1 and the locking adjustment mechanism 3 is completed, the locking adjustment mechanism 3 is hidden between the base 4 and the upper cover 32, so that only the button 21a is exposed; so that the locking pressure plate 20 is in the locking position when the armrest is in the normal use position, and the base 4 is locked in the longitudinal direction, the transverse direction and the circumferential direction; when the armrest needs to be adjusted, the button 21a is only pressed to push the locking pressing plate to the unlocking position, so that the armrest can be adjusted in the longitudinal direction, the transverse direction and the circumferential direction at the same time, and after the adjustment is finished, the armrest can be locked again by loosening the button 21a; the one-key locking function is realized, the structure is stable, and the operation is very convenient and fast.
Claims (8)
1. A multi-functional armrest, comprising:
the handrail panel assembly comprises a base, a longitudinal sliding piece is arranged in the base, and the base can slide along the longitudinal direction relative to the longitudinal sliding piece; the longitudinal sliding piece is internally provided with a transverse sliding piece, and can slide along the transverse direction relative to the transverse sliding piece; the transverse sliding piece is provided with a rotating block, and can circumferentially rotate relative to the rotating block;
the support rod is used for supporting the handrail panel assembly, the upper end of the support rod is provided with a connecting column which protrudes upwards and is connected with the rotating block, and the connecting column is circumferentially fixed with the rotating block;
the locking adjusting mechanism comprises a locking pressing plate and a control switch; the locking pressing plate and the longitudinal sliding piece are kept relatively fixed along the longitudinal direction; the locking pressing plate can slide along the transverse direction relative to the longitudinal sliding piece; fixed teeth which are arranged at intervals along the longitudinal direction are arranged on one side of the base, and movable teeth which can be in toothed engagement with the fixed teeth are correspondingly arranged on the locking pressing plate; the upper end of the rotating block is provided with a rotating lock tooth along the circumferential direction, two side mirror images of the rotating lock tooth are provided with clamping strips, the clamping strips and the longitudinal sliding piece are relatively fixed in the transverse direction, and the clamping strips are provided with clamping teeth which can be clamped with the rotating lock tooth; the control switch comprises a button and a push bar which is clamped with one side of the locking pressing plate; the button is exposed out of the base; the locking pressing plate is provided with a locking position and an unlocking position, in the locking position, the movable teeth are in toothed engagement with the fixed teeth, and the locking pressing plate acts on the clamping strip to fix the clamping strip and the rotary locking teeth, so that the base is in a fixed state; under the unlocking position, the locking pressing plate is acted on the control switch to push the locking pressing plate to enable the movable teeth to be separated from the fixed teeth, the locking pressing plate moves relative to the clamping strip and enables the clamping strip to elastically stretch along the longitudinal direction, and the base can be adjusted in the longitudinal direction, the transverse direction and the circumferential direction at the same time;
the handrail panel assembly also comprises an upper cover and a handrail cover plate which are sequentially connected and fixed at the upper end of the base; the locking and adjusting mechanism is arranged between the base and the upper cover; the longitudinal direction is the length direction of the base, and the transverse direction is the width direction of the base.
2. The multi-function armrest according to claim 1, wherein: the locking pressing plate is pressed on the upper end of the longitudinal sliding piece; a first spring is arranged between the locking pressing plate and the longitudinal sliding piece, and the first spring provides elastic force to enable the locking pressing plate to be located at the locking position all the time.
3. The multi-function armrest according to claim 1, wherein: the clamping strip is provided with protruding blocks protruding outwards at intervals on one side far away from the clamping teeth, and a groove is formed between every two adjacent protruding blocks; a convex strip which can be abutted with the convex block is correspondingly arranged on the locking pressing plate; under the locking position, the convex strip is abutted with the convex block so that the clamping strip is firmly clamped with the rotary locking tooth.
4. A multi-function armrest according to claim 3, wherein: an extrusion pushing block which can elastically stretch and retract in the longitudinal direction relative to the locking pressing plate is arranged between the locking pressing plate and the clamping strip, pushing blocks which are arranged at intervals are arranged on the extrusion pushing block, and the pushing blocks and the raised strips are arranged in a staggered manner; and in the unlocking position, the convex blocks are staggered with the convex strips and are abutted with the pushing blocks, and the convex strips are aligned with the grooves.
5. The multi-purpose armrest according to claim 4, wherein: the extrusion push block is in sliding fit on the locking pressing plate, and a second spring is arranged between the extrusion push block and the locking pressing plate.
6. The multi-function armrest according to claim 1, wherein: the base is provided with a longitudinal chute, and the longitudinal sliding piece is arranged in the longitudinal chute in a sliding way; the longitudinal sliding piece and the base are kept relatively fixed in the transverse direction; and one of the base and the longitudinal sliding piece is provided with a longitudinal guide bar, and the other of the base and the longitudinal sliding piece is correspondingly provided with a longitudinal guide groove.
7. The multi-function armrest according to claim 1, wherein: a transverse chute is arranged in the longitudinal sliding piece, and the transverse sliding piece is arranged in the transverse chute in a sliding way; the transverse sliding piece and the longitudinal sliding piece are kept relatively fixed in the longitudinal direction; and one of the longitudinal sliding piece or the transverse sliding piece is provided with a transverse guide bar, and the other of the longitudinal sliding piece or the transverse sliding piece is correspondingly provided with a transverse guide groove.
8. The multi-function armrest according to claim 1, wherein: the base is provided with a first avoiding window for avoiding the movement of the base, and the longitudinal sliding member is provided with a second avoiding window for avoiding the movement of the longitudinal sliding member; the connecting column sequentially passes through the first avoidance window and the second avoidance window.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110764177.9A CN113331624B (en) | 2021-07-06 | 2021-07-06 | Multifunctional armrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110764177.9A CN113331624B (en) | 2021-07-06 | 2021-07-06 | Multifunctional armrest |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113331624A CN113331624A (en) | 2021-09-03 |
| CN113331624B true CN113331624B (en) | 2023-11-24 |
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ID=77482743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110764177.9A Active CN113331624B (en) | 2021-07-06 | 2021-07-06 | Multifunctional armrest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113331624B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO347537B1 (en) * | 2021-12-17 | 2023-12-18 | Flokk Sp Z O O | Armrest structure for a chair, and chair with armrest structure |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202005016968U1 (en) * | 2005-10-28 | 2005-12-22 | Lee, Hwang Pao, Chu Pei | Armrest adjustment mechanism for chair, has fastening hole formed at connecting piece, so that body, plate and movable piece are rotated with respect to disc, where body and plate are moved forward and backward opposite to movable piece |
| DE202008001781U1 (en) * | 2008-01-22 | 2008-04-10 | Tsai, Po-Chuan, Rende Hsiang | Armrest for a chair |
| EP2502521A1 (en) * | 2011-03-21 | 2012-09-26 | Isotech Products Incorporated | Armrest adjustment member |
| CN207444653U (en) * | 2017-04-20 | 2018-06-05 | 万旭勇 | It is a kind of can a key lock Multifunction armrests |
| TWI635825B (en) * | 2017-09-15 | 2018-09-21 | 廣力達企業有限公司 | Handrail adjustment device |
| CN108741860A (en) * | 2018-08-22 | 2018-11-06 | 中威控股集团有限公司 | A kind of Three Degree Of Freedom office chair armrest |
| CN110575019A (en) * | 2019-09-12 | 2019-12-17 | 万旭勇 | One-key-locking type multidimensional adjusting handrail |
| CN210520533U (en) * | 2019-09-12 | 2020-05-15 | 万旭勇 | Adjustable handrail with lock |
| CN215015419U (en) * | 2021-07-06 | 2021-12-07 | 安吉协隆家具股份有限公司 | Armrest |
-
2021
- 2021-07-06 CN CN202110764177.9A patent/CN113331624B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202005016968U1 (en) * | 2005-10-28 | 2005-12-22 | Lee, Hwang Pao, Chu Pei | Armrest adjustment mechanism for chair, has fastening hole formed at connecting piece, so that body, plate and movable piece are rotated with respect to disc, where body and plate are moved forward and backward opposite to movable piece |
| DE202008001781U1 (en) * | 2008-01-22 | 2008-04-10 | Tsai, Po-Chuan, Rende Hsiang | Armrest for a chair |
| EP2502521A1 (en) * | 2011-03-21 | 2012-09-26 | Isotech Products Incorporated | Armrest adjustment member |
| CN207444653U (en) * | 2017-04-20 | 2018-06-05 | 万旭勇 | It is a kind of can a key lock Multifunction armrests |
| TWI635825B (en) * | 2017-09-15 | 2018-09-21 | 廣力達企業有限公司 | Handrail adjustment device |
| CN108741860A (en) * | 2018-08-22 | 2018-11-06 | 中威控股集团有限公司 | A kind of Three Degree Of Freedom office chair armrest |
| CN110575019A (en) * | 2019-09-12 | 2019-12-17 | 万旭勇 | One-key-locking type multidimensional adjusting handrail |
| CN210520533U (en) * | 2019-09-12 | 2020-05-15 | 万旭勇 | Adjustable handrail with lock |
| CN215015419U (en) * | 2021-07-06 | 2021-12-07 | 安吉协隆家具股份有限公司 | Armrest |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113331624A (en) | 2021-09-03 |
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