CN220327154U - Multidirectional adjusting armrest and seat - Google Patents

Abstract

The utility model provides a multidirectional adjusting handrail and a seat, which comprises a supporting rod frame and a sleeve, wherein the supporting rod frame and the sleeve are sleeved with each other, the outer wall of the sleeve is in swing connection with a lifting execution assembly, a multi-gear clamping groove is vertically formed in the supporting rod frame, the lifting execution assembly is provided with a clamping block and a limiting anti-drop block connected with the clamping block, the clamping block stretches into the multi-gear clamping groove to form press fit clamping connection, and the top surface of the limiting anti-drop block is in contact with the top edge of the multi-gear clamping groove to form limiting abutting connection. According to the utility model, the lifting adjustment and clamping locking position are realized by utilizing the tilting lever principle and elastic reset, the operation is easy and simple, the smooth adjustment and the lifting experience are realized, the locking position is stable, and the adjustment efficiency is improved. The height adjusting section is realized through limit fit, the arm rest assembly is prevented from falling off, the assembly integrity is enhanced, and the damage rate of the chair is reduced. Through the cooperation of rotation connection and elastic positioning clamping, circumferential swinging adjustment and pitching angle adjustment of the armrest part are realized.

Description

Multidirectional adjusting armrest and seat

Technical Field

The utility model belongs to the technical field of office furniture, and relates to an adjustable seat, in particular to a multidirectional adjusting armrest and a seat.

Background

The chair is a chair with a backrest and armrests. The finger rest is a cross bar or a handle for keeping balance or supporting the body, in particular to a supporting component for supporting arms and hands of a human body, and the comfort level of the sitting posture of the human body is improved through the hand rest. With the development of modern technology, the requirements of people on the adjusting function of the seat are higher and higher.

For example, chinese patent literature discloses a seat armrest [ chinese patent No.: 202320688716.X ] the utility model discloses a chair armrest, comprising an armrest frame and an armrest main body hinged with the armrest frame, wherein the armrest main body comprises an armrest base and an armrest surface cover arranged on the armrest base, the armrest base comprises a front end base and a rear end base, a sliding guide mechanism arranged along the axial direction is arranged on the rear end base, a hinge seat assembly and a corresponding rotating shaft are arranged on the sliding guide mechanism, the rotating shaft is connected with a supporting arm extending towards the front end base, and the front end base is fixedly connected with the supporting arm, so that the front end base can be adjusted to warp upwards relative to the rear end base. The utility model has convenient operation and adjustment and good comfort.

According to the technical scheme, although lifting and steering adjustment of the handrail is realized, the lifting and steering adjustment adopts a button to switch the meshing relationship between the teeth and the racks, the structure is complex, the clamping fastness of tooth meshing is poor, and positioning failure is easy to occur due to tooth removal; in addition, during lifting adjustment, the teeth and the racks are separated by larger pressure, so that the adjustment difficulty is increased.

Disclosure of Invention

The utility model aims at solving the problems in the prior art, and provides a multidirectional adjusting handrail and a seat which are matched with a positioning clamp by utilizing a tilting rod principle to realize easy and convenient lifting adjustment.

The aim of the utility model can be achieved by the following technical scheme: the utility model provides a diversified regulation handrail, includes supporting rod frame and sleeve pipe that cup joints mutually, be swing connection lift execution subassembly on the sheathed tube outer wall, along vertical multispeed joint groove of seting up on the supporting rod frame, lift execution subassembly have the joint piece with connect in the spacing anticreep piece of joint piece, the joint piece stretch into multispeed joint groove forms pressfitting screens and connects, the top surface of spacing anticreep piece with the top along the contact of multispeed joint groove forms spacing butt.

In the multidirectional adjusting handrail, the lifting execution assembly comprises a button, a transverse switching rod is arranged in the middle of the inner side of the button, a hook is convexly arranged on the side wall of the sleeve, the hook is hooked with the switching rod to form rotary connection, a mounting column is convexly arranged on the upper portion of the inner side of the button, a spring is sleeved on the mounting column, and the inner end of the spring is abutted against the side wall of the sleeve.

In the multidirectional adjusting handrail, the multi-gear clamping groove comprises a vertical groove, a plurality of groups of clamping notches are symmetrically concavely formed on two sides of the vertical groove, and the clamping notches are communicated with the vertical groove; t-shaped blocks are convexly arranged on the lower portion of the inner side of the button, the cross bars of the T-shaped blocks form the clamping blocks, the cross bars of the T-shaped blocks are fixedly connected with the inner side walls of the button, vertical rods of the T-shaped blocks form the limiting anti-drop blocks, the vertical rods of the T-shaped blocks extend into the vertical grooves to form guide and slide connection, and the cross bars of the T-shaped blocks are embedded into any group of clamping slots to form matching clamping.

In the multidirectional adjusting handrail, the top of the sleeve is connected with the inclined arm through the rotation positioning assembly, and the top end of the inclined arm is connected with the handrail plate through the rotation positioning assembly.

In the multidirectional adjusting handrail, a square frame is convexly arranged on the side wall of the sleeve, the hook is convexly arranged in the middle of the inner wall of the square frame, the hook tip of the hook faces upwards, the button is embedded in the square frame, the spring is abutted to the upper part of the inner wall of the square frame, a window is arranged on the lower part of the inner wall of the square frame, and the T-shaped block is in fit and penetration connection with the window.

In the multidirectional adjusting handrail, the top of the sleeve is connected with the inclined arm through the autorotation positioning assembly, the autorotation positioning assembly comprises a central shaft convexly arranged on the top surface of the sleeve, the bottom surface of the inclined arm is correspondingly provided with a central hole, and the central shaft is connected with the central hole in a penetrating way to form rotary connection; the sleeve is characterized in that at least one assembly hole is formed in the top surface of the sleeve, a first compression spring and a first ball are sequentially placed in the assembly hole, a plurality of circular pits I which are in an annular array are correspondingly concavely formed on the bottom surface of the inclined arm, and the first ball is embedded into any circular pit I to form elastic clamping connection.

In the multidirectional adjusting handrail, the top of the inclined arm is connected with the handrail plate through the corner positioning assembly, the corner positioning assembly comprises an arc block fixedly connected to the bottom of the handrail plate, a concave mounting hole is formed in the bottom of the arc block, a second pressure spring and a second ball are sequentially placed in the mounting hole, the top of the inclined arm corresponds to a concave arc groove, at least two second circular pits are correspondingly formed in the groove bottom of the arc groove along the circumferential direction, the arc block is embedded in the arc groove to form rotary connection through a circle center shaft, and the second ball is embedded in any second circular pit to form elastic clamping connection.

In the multidirectional adjusting handrail, the supporting rod frame is an L-shaped frame body, a plurality of mounting groove holes are formed in a transverse plate of the L-shaped frame body, a vertical pipe of the L-shaped frame body is a flat pipe, and a multi-gear clamping groove is formed in a wide wall of one side of the flat pipe.

In the multidirectional adjusting handrail, the two narrow walls of the flat tube are buckled with the filling plate, the narrow walls are provided with the positioning holes, the filling plate is correspondingly provided with the convex blocks in a protruding mode, the positioning holes inserted by the convex blocks are fixedly clamped, and the sleeve is sleeved on the periphery of the flat tube and is in sliding contact with the filling plate.

A seat comprises the multidirectional adjusting armrest.

Compared with the prior art, the multidirectional adjusting armrest and the seat have the following beneficial effects:

1. utilize perk pole principle cooperation elasticity to reset, press the button and realize lift adjustment and joint pinning, the operation is light simple and convenient, adjusts smooth promotion and experiences the sense, pinning is stable and improves adjustment efficiency.

2. The height adjusting section is realized through limit fit, the arm rest assembly is prevented from falling off, the assembly integrity is enhanced, and the damage rate of the chair is reduced.

3. Through rotating connection and elasticity location joint cooperation, realize the circumference of handrail part and swing regulation and pitch angle regulation, increase the multiple function of regulation, provide more excellent use experience.

Drawings

Fig. 1 is a diagram showing the overall appearance of the multi-azimuth adjusting handrail.

Fig. 2 is a perspective view of the buttons in the multi-azimuth adjustment armrest.

Fig. 3 is a first internal structural view of the multi-azimuth adjustment armrest.

Fig. 4 is a second internal structural view of the multi-azimuth adjustment armrest.

Fig. 5 is a cross-sectional view of the multi-azimuth adjustment armrest.

In the figure, 1, a support rod frame; 1a, a multi-gear clamping groove; 2. a sleeve; 2a, a hook; 2b, a square frame; 2c, a center shaft; 2d, a first ball; 3. a button; 3a, clamping blocks; 3b, limiting anti-falling blocks; 3c, a transfer rod; 4. a spring; 5. a filling plate; 6. a bevel arm; 6a, mesopores; 6b, a round pit I; 6c, a round pit II; 7. arc blocks; 7a, a second ball; 8. armrest plate.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

Example 1

As shown in fig. 1, the multidirectional adjusting handrail comprises a supporting rod frame 1 and a sleeve 2 which are sleeved with each other, wherein a swing connection lifting execution assembly is arranged on the outer wall of the sleeve 2, a multi-gear clamping groove 1a is vertically formed in the supporting rod frame 1, the lifting execution assembly is provided with a clamping block 3a and a limiting anti-drop block 3b connected to the clamping block, the clamping block 3a extends into the multi-gear clamping groove 1a to form press fit clamping connection, and the top surface of the limiting anti-drop block 3b is contacted with the top edge of the multi-gear clamping groove to form limiting butt joint.

When the push button 3 is pressed to synchronously drive the sleeve 2 to ascend, the sleeve 2 is ascended to the maximum height until the top surface of the vertical rod of the T-shaped block is contacted with the top edge of the multi-gear clamping groove 1a, the effect of limiting the lifting range is achieved, and meanwhile the problem that the sleeve 2 is transited to ascend and is separated from the support rod frame 1 is avoided.

As shown in fig. 1 and 2, the lifting execution assembly comprises a button 3, a horizontal adapter rod 3c is arranged in the middle of the inner side of the button 3, a hook 2a is convexly arranged on the side wall of the sleeve 2, the hook 2a is hooked with the adapter rod 3c to form rotary connection, a mounting column is convexly arranged on the upper part of the inner side of the button 3, a spring 4 is sleeved on the mounting column, and the inner end of the spring 4 is abutted against the side wall of the sleeve 2.

The middle part of the button 3 forms a hinge point, so that the upper end and the lower end of the button 3 form a rocker structure. When the upper part of the button 3 is pressed and the spring 4 is compressed, the clamping block 3a at the lower part of the button 3 is tilted outwards, so that the clamping block 3a and the multi-gear clamping groove 1a form lifting sliding connection; when the button 3 is released, the spring 4 enables the upper part of the button 3 to tilt outwards and reset through elasticity, and simultaneously enables the clamping block 3a at the lower part of the button 3 to extend inwards into the multi-gear clamping groove 1a to form pressing clamping connection.

As shown in fig. 3, the multi-gear clamping groove 1a comprises a vertical groove, two sides of the vertical groove are symmetrically concavely provided with a plurality of groups of clamping grooves, and the clamping grooves are communicated with the vertical groove; t-shaped blocks are convexly arranged on the lower portion of the inner side of each button 3, the cross bars of the T-shaped blocks form the clamping blocks 3a, the cross bars of the T-shaped blocks are fixedly connected with the inner side walls of the buttons 3, the vertical bars of the T-shaped blocks form limiting anti-falling blocks 3b, the vertical bars of the T-shaped blocks extend into the vertical grooves to form guide sliding connection, and the cross bars of the T-shaped blocks are embedded into any group of clamping slots to form matching clamping.

The vertical groove and the clamping notch are in transition through the arc chamfer, so that the cross rod of the T-shaped block can be smoothly embedded into the clamping notch, the whole operation is smooth, and the clamping sense is avoided. When the lower part of the button 3 is tilted outwards, the cross rod of the T-shaped block is moved out of the clamping notch, and the vertical rod of the T-shaped block is still positioned in the vertical groove to form barrier-free lifting sliding motion. When the lower part of the button 3 is internally pressed, the cross rod of the T-shaped block is embedded into any group of clamping notches to form vertical clamping and positioning, so that high locking and fixing are performed.

As shown in fig. 4, a square frame 2b is convexly arranged on the side wall of the sleeve 2, a hook 2a is convexly arranged in the middle of the inner wall of the square frame 2b, the hook tip of the hook 2a faces upwards, a button 3 is embedded in the square frame 2b, a spring 4 abuts against the upper part of the inner wall of the square frame 2b, a window is formed in the lower part of the inner wall of the square frame 2b, and a T-shaped block is in fit and cross-connected with the window. Providing a mounting area of the button 3 and the like by setting the block 2b; through opening the window, the clamping block 3a penetrates through the sleeve 2 to be inserted into the abdication space of the multi-gear clamping groove 1a.

As shown in fig. 3, the narrow walls on both sides of the flat tube are fastened with the filling plate 5, the narrow walls are provided with positioning holes, the filling plate 5 is correspondingly provided with convex blocks in a protruding way, the positioning holes inserted by the convex blocks are fastened and fixed, and the sleeve 2 is sleeved on the periphery of the flat tube and forms sliding contact with the filling plate 5. The gap between the flat pipe and the sleeve 2 is filled by adding symmetrical filling plates 5, so that the sleeving and lifting are more stable.

As shown in fig. 3 and 4, the top of the sleeve 2 is connected with the inclined arm 6 through a rotation positioning component, the rotation positioning component comprises a central shaft 2c protruding from the top surface of the sleeve 2, the bottom surface of the inclined arm 6 is correspondingly provided with a central hole 6a, and the central shaft 2c penetrates through the central hole 6a to form rotary connection; at least one assembly hole is formed in the top surface of the sleeve 2, a first compression spring and a first ball 2d are sequentially placed in the assembly hole, a plurality of circular pits 6b which are in an annular array are correspondingly concavely formed on the bottom surface of the inclined arm 6, and the first ball 2d is embedded into any circular pit 6b to form elastic clamping connection. When the rotation angle of the armrest needs to be adjusted, the inclined arm 6 rotates around the central shaft 2c, so that the first ball 2d is switched between the first round pits 6b, and when the rotation angle is adjusted to a required angle, the first ball 2d is embedded into the first round pit 6b at a corresponding position to form elastic clamping and positioning.

As shown in fig. 5, the top of the inclined arm 6 is connected with the armrest plate 8 through a corner positioning assembly, the corner positioning assembly comprises an arc block 7 fixedly connected to the bottom of the armrest plate 8, an upward concave mounting hole is formed in the bottom of the arc block 7, and a hinge shaft for hinging the armrest plate 8 and the inclined arm 6, a second pressure spring and a second ball 7a are sequentially placed in the mounting hole, the top of the inclined arm 6 is correspondingly concave to form an arc groove, at least two circular pits two 6c are correspondingly concave along the circumferential direction of the bottom of the arc groove, the arc block 7 is embedded into the arc groove to form rotary connection through a circle center shaft, and the second ball 7a is embedded into any circular pit two 6c to form elastic clamping connection. When the pitching angle of the armrest plate 8 needs to be adjusted, the armrest plate 8 is moved to swing around the circle center, so that the second ball 7a is switched between the second pits 6c, and when the angle is adjusted to a required angle, the second ball 7a is embedded into the second pit 6c at the corresponding position to form elastic clamping and positioning.

As shown in fig. 1 to 3, the support rod frame 1 is an L-shaped frame body, a transverse plate of the L-shaped frame body is provided with a plurality of mounting slots, a vertical pipe of the L-shaped frame body is a flat pipe, and a wide wall on one side of the flat pipe is provided with a plurality of clamping grooves 1a. The fixed assembly with the seat is realized through the mounting slotted hole of the transverse plate. The vertical pipe is used for realizing the plug-in assembly with other accessories of the handrail.

The regulation mode of this diversified regulation handrail is:

1. and (3) lifting and adjusting the armrests:

pressing the upper part of the button 3 and compressing the spring 4, and simultaneously enabling the clamping block 3a at the lower part of the button 3 to warp outwards, wherein the cross rod of the T-shaped block moves out of the clamping notch, and the vertical rod of the T-shaped block is still positioned in the vertical groove to form barrier-free lifting sliding connection; the sleeve 2 is driven to move up and down to a proper position along the flat pipe, the button 3 is released, the spring 4 enables the upper part of the button 3 to tilt outwards and reset through elasticity, and meanwhile, the cross rod of the T-shaped block at the lower part of the button 3 is embedded into any group of clamping notch to form vertical clamping and positioning, so that high locking and fixing are carried out.

2. The circumferential angle of the armrest is adjusted:

when the rotation angle of the armrest needs to be adjusted, the inclined arm 6 rotates around the central shaft 2c, so that the first ball 2d is switched between the first round pits 6b, and when the rotation angle is adjusted to a required angle, the first ball 2d is embedded into the first round pit 6b at a corresponding position to form elastic clamping and positioning.

3. The armrests adjust the pitching angle:

when the pitching angle of the armrest plate 8 needs to be adjusted, the armrest plate 8 is moved to swing around the circle center, so that the second ball 7a is switched between the second pits 6c, and when the angle is adjusted to a required angle, the second ball 7a is embedded into the second pit 6c at the corresponding position to form elastic clamping and positioning.

Compared with the prior art, the multidirectional adjusting handrail has the following beneficial effects:

1. utilize perk pole principle cooperation elasticity to reset, press the button and realize lift adjustment and joint pinning, the operation is light simple and convenient, adjusts smooth promotion and experiences the sense, pinning is stable and improves adjustment efficiency.

2. The height adjusting section is realized through limit fit, the arm rest assembly is prevented from falling off, the assembly integrity is enhanced, and the damage rate of the chair is reduced.

3. Through rotating connection and elasticity location joint cooperation, realize the circumference of handrail part and swing regulation and pitch angle regulation, increase the multiple function of regulation, provide more excellent use experience.

Example two

Based on the first embodiment, the present embodiment is different in that:

a seat comprises the multidirectional adjusting armrest.

Compared with the prior art, the seat has the following beneficial effects:

1. utilize perk pole principle cooperation elasticity to reset, press the button and realize lift adjustment and joint pinning, the operation is light simple and convenient, adjusts smooth promotion and experiences the sense, pinning is stable and improves adjustment efficiency.

2. The height adjusting section is realized through limit fit, the arm rest assembly is prevented from falling off, the assembly integrity is enhanced, and the damage rate of the chair is reduced.

3. Through rotating connection and elasticity location joint cooperation, realize the circumference of handrail part and swing regulation and pitch angle regulation, increase the multiple function of regulation, provide more excellent use experience.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Although the support bar frame 1 is used more herein; a multi-gear clamping groove 1a; a sleeve 2; a hook 2a; a block 2b; a central axis 2c; ball one 2d; a button 3; a clamping block 3a; a limit anti-drop block 3b; a transfer rod 3c; a spring 4; a packing plate 5; a bevel arm 6; a middle hole 6a; round pit one 6b; a second round pit 6c; a circular arc block 7; a second ball 7a; the terms armrest plate 8, etc. do not exclude the possibility of using other terms. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Claims (10)

1. The utility model provides a diversified regulation handrail, includes supporting rod frame and sleeve pipe that cup joints mutually, its characterized in that is swing connection lift execution subassembly on the sheathed tube outer wall, along vertical multi-gear joint groove of seting up on the supporting rod frame, lift execution subassembly have the joint piece with connect in the spacing anticreep piece of joint piece, the joint piece stretches into multi-gear joint groove is formed pressfitting screens and is connected, the top surface of spacing anticreep piece with the top along the contact of multi-gear joint groove forms spacing butt.

2. The multi-azimuth adjustment armrest of claim 1, wherein the elevation actuation assembly comprises a button, a lateral middle portion of the inner side of the button is laterally provided with a transfer rod, a hook is convexly arranged on the side wall of the sleeve, the hook is hooked with the transfer rod to form a rotary connection, an installation column is convexly arranged on the upper portion of the inner side of the button, a spring is sleeved on the installation column, and the inner end of the spring is abutted against the side wall of the sleeve.

3. The multi-directional adjusting handrail of claim 2, wherein the multi-gear clamping groove comprises a vertical groove, a plurality of groups of clamping notches are symmetrically concavely arranged on two sides of the vertical groove, and the clamping notches are communicated with the vertical groove; t-shaped blocks are convexly arranged on the lower portion of the inner side of the button, the cross bars of the T-shaped blocks form the clamping blocks, the cross bars of the T-shaped blocks are fixedly connected with the inner side walls of the button, vertical rods of the T-shaped blocks form the limiting anti-drop blocks, the vertical rods of the T-shaped blocks extend into the vertical grooves to form guide and slide connection, and the cross bars of the T-shaped blocks are embedded into any group of clamping slots to form matching clamping.

4. A multidirectional adjusting handrail as claimed in claim 3, wherein a square frame is convexly arranged on the side wall of the sleeve, the hook is convexly arranged in the middle of the inner wall of the square frame, the hook tip of the hook faces upwards, the button is embedded in the square frame, the spring abuts against the upper part of the inner wall of the square frame, a window is arranged on the lower part of the inner wall of the square frame, and the T-shaped block is anastomotic and connected with the window.

5. The multi-azimuth adjustment armrest according to claim 1, wherein the top of the sleeve is connected to the bevel arm via a rotation positioning assembly and the top of the bevel arm is connected to the armrest plate via a rotation positioning assembly.

6. The multi-azimuth adjustable armrest according to claim 5, wherein the rotation positioning assembly comprises a central shaft protruding from the top surface of the sleeve, the bottom surface of the inclined arm is correspondingly provided with a central hole, and the central shaft is connected with the central hole in a penetrating way to form a rotary connection; the sleeve is characterized in that at least one assembly hole is formed in the top surface of the sleeve, a first compression spring and a first ball are sequentially placed in the assembly hole, a plurality of circular pits I which are in an annular array are correspondingly concavely formed on the bottom surface of the inclined arm, and the first ball is embedded into any circular pit I to form elastic clamping connection.

7. The multi-azimuth adjusting handrail of claim 6, wherein the corner positioning assembly comprises an arc block fixedly connected to the bottom of the handrail plate, a mounting hole is concaved upwards in the bottom of the arc block, a second compression spring and a second ball are sequentially placed in the mounting hole, an arc groove is correspondingly concavely formed in the top of the inclined arm, at least two second round pits are correspondingly concavely formed in the bottom of the arc groove along the circumferential direction, the arc block is embedded into the arc groove to form rotary connection through a circle center shaft, and the second ball is embedded into any second round pit to form elastic clamping connection.

8. The multi-azimuth adjusting handrail according to claim 1, wherein the supporting rod frame is an L-shaped frame body, a plurality of mounting slots are formed in a transverse plate of the L-shaped frame body, a vertical pipe of the L-shaped frame body is a flat pipe, and a wide wall on one side of the flat pipe is provided with the multi-gear clamping groove.

9. The multi-azimuth adjusting handrail according to claim 8, wherein the narrow walls on two sides of the flat tube are buckled with filling plates, positioning holes are formed in the narrow walls, the filling plates are correspondingly provided with protruding blocks, the protruding blocks are inserted into the positioning holes to form clamping and fixing, and the sleeve is sleeved on the periphery of the flat tube to form sliding contact with the filling plates.

10. A seat comprising a multi-azimuth adjustable armrest according to any one of claims 1 to 9.