CN215826547U

CN215826547U - Seat armrest capable of sliding forwards and backwards

Info

Publication number: CN215826547U
Application number: CN202120628239.9U
Authority: CN
Inventors: 莫勇
Original assignee: Zhejiang Anji Zhongcheng Furniture Co ltd
Current assignee: Zhejiang Anji Zhongcheng Furniture Co ltd
Priority date: 2021-03-29
Filing date: 2021-03-29
Publication date: 2022-02-15
Anticipated expiration: 2031-03-29

Abstract

The utility model discloses a chair armrest capable of sliding back and forth, which comprises an armrest main frame, wherein an armrest sliding frame capable of sliding back and forth is arranged at the upper end of the armrest main frame, a locking structure for locking the sliding armrest sliding frame is arranged between the armrest sliding frame and the armrest main frame, the locking structure comprises a button and a spring, the button comprises a button head and a button rod, a concave cavity is arranged on the armrest sliding frame, a first long groove which penetrates through the armrest sliding frame and extends in the back and forth direction is arranged on the concave cavity, the outer end of the button rod is connected with the button head, the inner end of the button rod sequentially penetrates through the upper end of the armrest main frame and the first long groove of the armrest sliding frame and extends into the concave cavity, a radial convex limiting part is arranged at the inner end of the button rod, a plurality of limiting grooves capable of forming limiting splicing fit with the limiting part are distributed on the first long groove in the back and forth direction, by the arrangement, the seat armrest is simple in structure, and the locking and unlocking operations are simple and convenient.

Description

Seat armrest capable of sliding forwards and backwards

Technical Field

The utility model relates to an armrest, in particular to a seat armrest capable of sliding back and forth.

Background

In order to make a user use the seat more comfortably, the backrest of many existing seats can be adjusted by rotating back and forth, in order to better adapt to the adjustment of the backrest, it is usually necessary to set the armrests on both sides of the seat to be in a structure capable of sliding back and forth, and to lock the armrests after the armrests slide, and the existing armrests capable of sliding back and forth and provided with the locking structures also have the defects of complex structure and inconvenient operation.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the seat armrest capable of sliding back and forth, which is simple in structure and convenient to lock and unlock.

In order to achieve the above purpose, the utility model provides a seat armrest capable of sliding back and forth, comprising an armrest main frame fixedly connected to a seat, an armrest sliding frame capable of sliding back and forth on the armrest main frame is arranged at the upper end of the armrest main frame, a locking structure for locking the slid armrest sliding frame is arranged between the armrest sliding frame and the armrest main frame, the locking structure comprises a button and a spring, the button comprises a button head and a button rod, a concave cavity is arranged on the armrest sliding frame, a first long groove penetrating through the armrest sliding frame and extending in the back and forth direction is arranged on the concave cavity, the outer end of the button rod is connected with the button head, the inner end of the button rod sequentially penetrates through the upper end of the armrest main frame and the first long groove of the armrest sliding frame and extends into the concave cavity, a radially convex limiting part is arranged at the inner end of the button rod, a plurality of limiting grooves capable of forming limiting splicing fit with the limiting part are distributed on the first long groove in the back and forth direction, the spring is sleeved on the button rod, two ends of the spring are respectively abutted against the button head and the upper end of the handrail main frame, the spring enables the limiting part on the button rod to be inserted into the limiting groove, the end part of the inner end of the button rod is fixedly provided with a gasket, and the gasket is positioned in the groove and limits the button rod to be separated outwards through the first long groove.

The utility model has the beneficial effects that: adopt above-mentioned scheme, during the unblock, people are through pressing the button head, make the button overcome spring action power and inwards remove, thereby make spacing portion on the button pole deviate from spacing recess, and then make the handrail balladeur train lose the locking, the handrail balladeur train slides around can this moment promptly, treat that the handrail balladeur train slides to corresponding position after, people loosen the pressing to the button, under the effect that the spring resets, the button outwards pops out, spacing portion on the button pole inserts in the spacing recess on corresponding position, alright realize the locking to the handrail balladeur train, moreover, the steam generator is simple in structure, locking and unblock are easy and simple to handle.

The utility model can be further arranged in such a way that the inner end of the button rod is flat and forms sliding fit with the first long groove, one part of the flat inner end on the button rod radially protrudes to two sides to form the limiting part, and the section of the part is cross-shaped. The arrangement is favorable for sliding between the button rod and the first long groove, and reliable limiting can be formed through the limiting part of the cross-shaped part after sliding.

The utility model can be further provided with a reset structure which is arranged between the handrail main frame and the handrail sliding frame and can promote the handrail sliding frame to automatically slide forwards. The reset structure comprises a tension spring, a tension spring groove used for containing the tension spring is correspondingly arranged on the handrail main frame, a first convex column is arranged in the tension spring groove, one end of the tension spring is hooked on the first convex column, a first bolt used for limiting the tension spring to be separated from the first convex column is further arranged on the tension spring groove, a second convex column extending into the tension spring groove is arranged on the handrail sliding frame, the other end of the tension spring is hooked on the second convex column, and a second bolt used for limiting the tension spring to be separated from the second convex column is further arranged on the second convex column. The arrangement is that when the handrail sliding frame is adjusted in a backward sliding mode, the tension spring is in a stretched state, so that when the handrail sliding frame is reset in a forward sliding mode, the handrail sliding frame can automatically slide forwards under the action of the tension spring, the handrail sliding frame can automatically slide forwards without being pushed by people, and the reset operation is realized.

The utility model can be further provided with an opening at the upper end of the concave cavity, the first long groove is arranged on the bottom surface of the concave cavity and downwards penetrates through the handrail sliding frame, and the handrail panel which forms a seal for the concave cavity is detachably arranged on the opening of the concave cavity. With the arrangement, the button can be correspondingly inserted from bottom to top, so that the structure is more reasonable, and the button can be pressed. In addition, the opening of the cavity faces upwards and is closed by the handrail panel, so that the appearance is more attractive, and the later maintenance and replacement are facilitated.

The handrail panel can be further provided with a plurality of extending blocks extending inwards the concave cavity, the lower end part of each extending block is provided with a cylindrical clamping joint, and the position, corresponding to each clamping joint, on the bottom surface of the concave cavity is provided with a clamping seat for the clamping joint to be embedded in and form clamping limit for the clamping joint. Set up like this for handrail panel easy dismounting and connection are reliable.

The utility model can be further provided that the lower end of the handrail sliding frame is provided with a sliding groove for the upper end of the handrail main frame to insert and form a front-back sliding fit with the upper end of the handrail main frame, the first long groove is communicated with the sliding groove, the bottom surface of the cavity is provided with a second long groove which is communicated with the sliding groove downwards, the first long groove and the second long groove are separated by at least one clamping seat, the handrail main frame is provided with a connecting part which penetrates the second long groove upwards and forms a front-back sliding fit with the second long groove, and the connecting part is detachably and fixedly provided with a pressing plate for pressing the handrail sliding frame on the handrail main frame. By arranging the sliding groove, the handrail sliding frame and the handrail main frame are better combined together, and the forward and backward sliding is more reliable; through the cooperation of connecting portion and second elongated slot for the handrail balladeur train slides more steadily and reliably around, simultaneously, through set up the clamp plate on connecting portion, can press the handrail balladeur train on the handrail body frame, effectively avoids the handrail balladeur train to deviate from the handrail body frame. In addition, the first elongated slot and the second elongated slot are separated by at least one clamping seat, so that the first elongated slot and the second elongated slot are effectively separated, and the structural strength of a part between the first elongated slot and the second elongated slot is effectively increased.

The handrail main frame can be further provided with two third long grooves which are arranged on the bottom surface of the sliding groove side by side and are respectively arranged on two sides of the first long groove and the second long groove, and convex ribs which are upwards inserted into the third long grooves and form front-back sliding fit with the third long grooves are correspondingly arranged on the handrail main frame. Set up like this, further promoted the reliability that the handrail balladeur train slided, can effectively avoid the handrail balladeur train to appear rocking the emergence of the condition such as left and right sides.

The utility model can be further provided with a button slot for inserting the button head at the upper end of the handrail main frame, the outer surface of the button head is provided with a bulge, and the side wall of the button slot is correspondingly provided with a sliding groove for the bulge to be embedded and form sliding fit with the bulge. Set up like this for the button press with pop out more steadily smooth and easy, simultaneously, through the cooperation of arch and spout, both formed further spacing and guide effect to the button, can furthest reduce the frictional force of button when being pressed or popping out again.

The utility model can be further provided with a mounting hole for forming mounting and fixing with a seat at the lower end of the armrest main frame, and a hinge hole for forming hinge fixing with a backrest is arranged at the rear end of the armrest main frame. Through the mounting hole for the handrail body frame can be installed fixedly on the seat, and through the hinge hole then not only makes the handrail body frame form with the back and is connected, and the back passes through articulated rotation moreover, can also rotate the regulation forward or backward.

Drawings

FIG. 1 is a block diagram of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a view of the present invention with the arm panel removed;

FIG. 4 is a block diagram of a handrail main frame;

FIG. 5 is a block diagram of the armrest main frame;

FIG. 6 is an exploded view of the button portion;

FIG. 7 is a block diagram of the arm rest carriage;

FIG. 8 is a block diagram of the arm rest carriage;

fig. 9 is a structural view of the arm panel.

Detailed Description

As shown in fig. 1-9, a seat armrest capable of sliding back and forth is provided, which includes an armrest main frame 1, the armrest main frame 1 is fixedly connected to a seat, an armrest carriage 2 capable of sliding back and forth on the armrest main frame 1 is disposed at an upper end of the armrest main frame 1, a locking structure for locking the armrest carriage 2 after sliding is disposed between the armrest carriage 2 and the armrest main frame 1, the locking structure includes a button 4 and a spring 3, the button 4 includes a button head 41 and a button rod 42, a cavity 21 is disposed on the armrest carriage 2, a first elongated slot 22 penetrating through the armrest carriage 2 and extending in a back and forth direction is disposed on the cavity 21, an outer end of the button rod 42 is connected to the button head 41, an inner end of the button rod 42 sequentially penetrates through the upper end of the armrest main frame 1 and the first elongated slot 22 of the armrest carriage 2 and extends into the cavity 21, a radially protruding limiting portion 421 is disposed on an inner end of the button rod 42, a plurality of limiting grooves 23 which can form limiting insertion fit with the limiting parts 421 are distributed on the first long groove 22 along the front-back direction, the spring 3 is sleeved on the button rod 42, two ends of the spring are respectively pressed against the button head 41 and the upper end of the handrail main frame 1, the spring 3 enables the limiting parts 421 on the button rod 42 to be inserted into the limiting grooves 23, a gasket 44 is fixedly arranged on the end part of the inner end of the button rod 42 through a third bolt 43, the gasket 44 is positioned in the concave cavity 21, and the button rod 42 is limited from being separated outwards through the first long groove 22.

Adopt above-mentioned scheme, during the unblock, people are through pressing button head 41, make button 4 overcome the inward movement of spring 3 effort, thereby make spacing portion 421 on the button pole 42 deviate from in spacing recess 23, and then make handrail balladeur train 2 lose the locking, handrail balladeur train 2 can slide around this moment promptly, treat handrail balladeur train 2 and slide to corresponding position after, people loosen the pressing to button 4, under the effect that spring 3 resets, button 4 outwards pops out, spacing portion 421 on the button pole 42 inserts in the spacing recess 23 on the corresponding position, alright realize the locking to handrail balladeur train 2, moreover, the steam generator is simple in structure, locking and unblock are easy and simple to handle.

The inner end 422 of the button rod 42 is flat and forms a sliding fit with the first long groove 22, a part of the flat inner end 422 of the button rod 42 radially protrudes to two sides to form the limiting part 421, and the section of the part is cross-shaped. With this arrangement, the sliding between the button rod 42 and the first long groove 22 is facilitated, and the reliable limit is formed by the limit portion 421 of the cross portion after the sliding.

A reset structure for promoting the handrail sliding frame 2 to automatically slide forwards is arranged between the handrail main frame 1 and the handrail sliding frame 2. The reset structure includes extension spring 5, corresponds on handrail body frame 1 to be provided with the extension spring groove 11 that is used for holding extension spring 5, extension spring groove 11 in be provided with first projection 12, the one end of extension spring 5 is colluded and is hung on first projection 12, and still install on extension spring groove 11 and be used for restricting extension spring 5 this end and follow first bolt 13 that deviate from on first projection 12, be provided with the second projection 24 that extends to extension spring groove 11 on the handrail balladeur train 2, the other end of extension spring 5 is colluded and is hung on second projection 24, and still install on second projection 24 and be used for restricting extension spring 5 this end and follow second projection 24 and deviate from second bolt 25. Set up like this, when handrail balladeur train 2 is the regulation of sliding backward, extension spring 5 is in by tensile state to when handrail balladeur train 2 slides forward and resets, can slide forward automatically under extension spring 5's effect, and then make handrail balladeur train 2 need not people's propelling movement alright slide forward automatically, realize the operation that resets.

The upper end of the cavity 21 is open, the first long groove 22 is arranged on the bottom surface of the cavity 21 and downwards penetrates through the handrail sliding frame 2, and the handrail panel 6 which forms a seal with the cavity 21 is detachably arranged on the opening of the cavity 21. With the arrangement, the button 4 can be correspondingly inserted from bottom to top, so that the structure is more reasonable, and the pressing operation of the button 4 is facilitated. In addition, the cavity 21 is open upward and closed by arm panel 6, which both provides an aesthetically pleasing appearance and facilitates later repair and replacement.

Handrail panel 6 is last to be provided with a plurality of extension pieces 61 that extend to cavity 21, and the lower tip of every extension piece 61 all sets up into columniform joint head 62, and the position that corresponds every joint head 62 on the bottom surface of cavity 21 all is provided with a confession joint head 62 imbeds and right joint head 62 constitutes the spacing joint seat 26 of joint. Set up like this for handrail panel 6 easy dismounting and connection are reliable.

The lower end of the armrest sliding frame 2 is provided with a sliding groove 27 for the upper end of the armrest main frame 1 to insert into and form a front-back sliding fit with the upper end of the armrest main frame 1, the first long groove 22 is communicated with the sliding groove 27, the bottom surface of the cavity 21 is provided with a second long groove 28 which is communicated with the sliding groove 27 downwards, the first long groove 22 and the second long groove 28 are separated by at least one clamping seat 26, the armrest main frame 1 is provided with a connecting part 14 which penetrates the second long groove 28 upwards and forms a front-back sliding fit with the second long groove 28, and the connecting part 14 is detachably provided with a pressing plate 15 which is used for pressing the armrest sliding frame 2 on the armrest main frame 1, and particularly can be detachably fixed through a fourth bolt 16. By arranging the sliding groove 27, the handrail sliding frame 2 and the handrail main frame 1 are better combined together, and the front and back sliding is more reliable; through the cooperation of connecting portion 14 and second elongated slot 28 for the back and forth slip of handrail carriage 2 is more steady reliable, and simultaneously, through set up clamp plate 15 on connecting portion 14, can press handrail carriage 2 on handrail body frame 1, effectively avoids handrail carriage 2 to deviate from handrail body frame 1. In addition, the first elongated slot 22 and the second elongated slot 28 are separated by at least one clamping seat 26, so that the first elongated slot 22 and the second elongated slot 28 are effectively separated, and the structural strength of a part between the first elongated slot 22 and the second elongated slot 28 is effectively increased.

Two third long grooves 29 are arranged on the bottom surface of the sliding groove 27 side by side, the two third long grooves 29 are respectively arranged on two sides of the first long groove and the second long groove, and a convex rib 17 which is upwards inserted into the third long groove 29 and forms a front-back sliding fit with the third long groove 29 is correspondingly arranged on the handrail main frame 1. Set up like this, further promoted the reliability that handrail balladeur train 2 slided, can effectively avoid handrail balladeur train 2 to appear rocking the emergence of the condition such as left and right sides.

The upper end of the armrest main frame 1 is provided with a button slot 18 for inserting the button head 41, the outer surface of the button head 41 is provided with a protrusion 411, and the side wall of the button slot 18 is correspondingly provided with a sliding groove 19 for embedding the protrusion 411 and forming sliding fit with the protrusion 411. Set up like this for button 4 press and pop out more steadily smoothly, simultaneously, through protruding 411 and spout 19's cooperation, both formed further spacing and guide effect to button 4, can furthest reduce the frictional force of button 4 when being pressed or popping out again.

The lower end of the armrest main frame 1 is provided with a mounting hole 101 for forming mounting and fixing with a seat, and the rear end of the armrest main frame 1 is provided with a hinge hole 102 for forming hinge fixing with a backrest. Through the installation hole 101, the armrest main frame 1 can be installed and fixed on the seat, and through the hinge hole 102, not only the armrest main frame 1 can be connected with the backrest, but also the backrest can rotate forwards or backwards through hinge rotation.

Claims

1. The utility model provides a gliding armrest around can, includes the handrail body frame, handrail body frame fixed connection is on the seat, its characterized in that: the upper end of the handrail main frame is provided with a handrail sliding frame capable of sliding back and forth on the handrail main frame, a locking structure for locking the sliding handrail sliding frame is arranged between the handrail sliding frame and the handrail main frame, the locking structure comprises a button and a spring, the button comprises a button head and a button rod, a cavity is arranged on the handrail sliding frame, a first long groove which penetrates through the handrail sliding frame and extends along the back and forth direction is arranged on the cavity, the outer end of the button rod is connected with the button head, the inner end of the button rod sequentially penetrates through the upper end of the handrail main frame and the first long groove of the handrail sliding frame and extends into the cavity, a radial convex limiting part is arranged on the inner end of the button rod, a plurality of limiting grooves which can form limiting splicing matching with the limiting part are distributed along the back and forth direction on the first long groove, the spring is sleeved on the button rod, two ends of the spring respectively abut against the button head and the upper end of the handrail main frame, and the spring urges the limiting part on the button rod to be inserted into the limiting groove, the end part of the inner end of the button rod is fixedly provided with a gasket, and the gasket is positioned in the groove and limits the button rod to be separated outwards through the first long groove.

2. A front-rear slidable seat armrest according to claim 1, wherein: the inner end of the button rod is flat and is in sliding fit with the first long groove, one part of the flat inner end of the button rod protrudes radially towards two sides to form the limiting part, and the cross section of the part is cross-shaped.

3. A forwardly or rearwardly slidable seat arm rest as claimed in claim 1 or 2, wherein: a reset structure for promoting the handrail sliding frame to automatically slide forwards is arranged between the handrail main frame and the handrail sliding frame.

4. A front-rear slidable seat armrest as set forth in claim 3, wherein: the reset structure comprises a tension spring, a tension spring groove used for containing the tension spring is correspondingly arranged on the handrail main frame, a first convex column is arranged in the tension spring groove, one end of the tension spring is hooked on the first convex column, a first bolt used for limiting the tension spring to be separated from the first convex column is further arranged on the tension spring groove, a second convex column extending into the tension spring groove is arranged on the handrail sliding frame, the other end of the tension spring is hooked on the second convex column, and a second bolt used for limiting the tension spring to be separated from the second convex column is further arranged on the second convex column.

5. A forwardly or rearwardly slidable seat arm rest as claimed in claim 1 or 2, wherein: the upper end of the concave cavity is provided with an opening, the first long groove is arranged on the bottom surface of the concave cavity and downwards penetrates through the handrail sliding frame, and the opening of the concave cavity is detachably provided with a handrail panel which forms a seal.

6. A forwardly or rearwardly slidable seat arm rest as claimed in claim 5, wherein: be provided with the extension piece that a plurality of extend to the cavity in on the handrail panel, and the lower tip of every extension piece all sets to columniform joint, and the position that corresponds every joint on the bottom surface of cavity all is provided with a confession the joint embedding is right the joint constitutes the spacing joint seat of joint.

7. A front-rear slidable seat armrest according to claim 6, wherein: the lower end of the handrail sliding frame is provided with a sliding groove for the upper end of the handrail main frame to be inserted into and form a front-back sliding fit with the upper end of the handrail main frame, the first long groove is communicated with the sliding groove, the bottom surface of the cavity is provided with a second long groove which is communicated with the sliding groove downwards, the first long groove and the second long groove are separated by at least one clamping seat, the handrail main frame is provided with a connecting part which penetrates through the second long groove upwards and forms a front-back sliding fit with the second long groove, and the connecting part is detachably and fixedly provided with a pressing plate for pressing the handrail sliding frame on the handrail main frame.

8. A front-rear slidable seat armrest as set forth in claim 7, wherein: two third long grooves are arranged on the bottom surface of the sliding groove side by side and are respectively arranged on two sides of the first long groove and the second long groove, and convex ribs which are upwards inserted into the third long grooves and form front-back sliding fit with the third long grooves are correspondingly arranged on the handrail main frame.

9. A forwardly or rearwardly slidable seat arm rest as claimed in claim 1 or 2, wherein: the upper end of the handrail main frame is provided with a button slot for inserting the button head, the outer surface of the button head is provided with a bulge, and the side wall of the button slot is correspondingly provided with a sliding groove for embedding the bulge and forming sliding fit with the bulge.

10. A forwardly or rearwardly slidable seat arm rest as claimed in claim 1 or 2, wherein: the lower end of the armrest main frame is provided with a mounting hole used for forming mounting and fixing with a seat, and the rear end of the armrest main frame is provided with a hinge hole which forms hinge fixing with a backrest.