Handrail

Abstract

The utility model discloses a handrail which comprises a handrail bottom shell, a handrail top cover is arranged on the edge of the top of the handrail bottom shell in a clamped mode, a handrail contact plate is fixedly arranged on the handrail top cover, a front-back sliding adjusting assembly capable of being adjusted front and back is arranged in the handrail bottom shell, and a connecting base is arranged at the bottom of the handrail bottom shell. An arc-shaped sliding adjusting assembly capable of driving the armrest bottom shell to conduct arc-shaped swing adjustment is arranged on the armrest bottom shell, a drawing type lifting adjusting assembly capable of conducting lifting adjustment is arranged at the bottom of the connecting base, and front-back adjustment of the armrest can be achieved by designing a multi-gear front-back sliding adjusting assembly. By designing the multi-gear arc-shaped sliding adjusting assembly, left-right swing adjustment of the handrail along the arc shape is achieved, by designing the multi-gear drawing type lifting adjusting assembly, the handrail can be directly pulled up, and height adjustment is rapidly achieved; the armrest can be freely adjusted in multiple dimensions and can be flexibly adjusted according to using habits of different users.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of handrails, and particularly relates to a handrail. BACKGROUND

[0002] The seat handrail is a convenient accessory of the seat, when the human body sits on the seat, in order to reduce the fatigue of arms and shoulders, will put arms or hands on the handrail, the present handrail is generally fixedly installed on the seat, the handrail cannot consider multiple adjustments, and cannot satisfy the use requirements of different user groups.

[0003] Therefore, the utility model designs a novel handrail. CONTENT

[0004] The utility model discloses a handrail to solve the problems in the prior art.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: a handrail, including handrail bottom shell, the top edge of handrail bottom shell is also provided with handrail top cover and is clamped, the handrail top cover is fixedly provided with handrail contact plate, the inside of handrail bottom shell is provided with the front and rear sliding adjustment assembly that can be adjusted, the bottom of handrail bottom shell is provided with the link base, the handrail bottom shell is provided with the arc sliding adjustment assembly that can drive the arc swing adjustment of handrail bottom shell, the bottom of link base is provided with the pull type lifting adjustment assembly that can be adjusted.

[0006] Preferably, the front and rear sliding adjustment assembly includes a front and rear guide sliding groove provided on the handrail bottom shell, a plurality of corrugated clamping grooves A located on the surfaces of the two sides of the front and rear guide sliding groove, a limiting slider that is limited to slide in the front and rear guide sliding groove, and elastic clamping columns A provided on the two sides of the limiting slider and capable of elastic expansion and contraction, the limiting slider is positioned by clamping with any one of the corrugated clamping grooves A on the corresponding side through the elastic clamping columns A.

[0007] Preferably, the arc sliding adjustment assembly includes an arc-shaped sliding groove opened on the link base, an arc-shaped moving plate that is slidably arranged in the arc-shaped sliding groove, a limiting plate for preventing the arc-shaped moving plate from sliding off, the limiting plate is fixedly connected with the link base, a longitudinal communication opening is opened on the limiting plate and is consistent with the direction of the arc-shaped sliding groove, a connecting seat is fixedly arranged on the top of the arc-shaped moving plate and slides along the longitudinal communication opening, elastic clamping columns C that are capable of elastic expansion and contraction are arranged on the two sides of the arc-shaped moving plate, and a plurality of corrugated clamping grooves B are arranged on the surfaces of the two sides of the arc-shaped sliding groove, the arc-shaped moving plate is positioned by clamping with any one of the corrugated clamping grooves B through the elastic clamping columns C.

[0008] Preferably, the front and rear guide slots are provided with a through-type horizontal communication opening at the bottom, the connecting seat is movably arranged through the horizontal communication opening and is fixedly connected with the limiting slider, and the horizontal communication opening is in the same direction as the sliding direction of the limiting slider.

[0009] Preferably, the pulling type lifting adjusting assembly comprises a lifting outer sleeve rod fixed outside the connecting base, a supporting inner rod movably arranged in the lifting outer sleeve rod, an extension seat fixedly arranged at the bottom end of the supporting inner rod, a lifting groove arranged on the supporting inner rod, a plurality of lifting clamping grooves uniformly distributed in the lifting groove, and a positioning clamping rod arranged at the top end of the inner side of the lifting outer sleeve rod.

[0010] Preferably, when the bottom end of the positioning clamping rod is lifted to the top end edge position of the lifting groove along with the lifting outer sleeve rod, the elastic clamping column B in the compressed state is extended to the inner side of the top end of the reset guide sliding slot.

[0011] Preferably, a tightening hoop is clamped and arranged on the outer surface of the supporting inner rod close to the two ends of the lifting groove.

[0012] Preferably, the elastic clamping column A, the elastic clamping column B and the elastic clamping column C are all composed of a cylindrical clamping column with a circular arc at one outer end and a spring piece.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] The front and rear sliding adjusting assembly with multiple gears can realize the front and rear adjustment of the handrail, the arc-shaped sliding adjusting assembly with multiple gears can realize the left and right swing adjustment of the handrail along the arc, and the pulling type lifting adjusting assembly with multiple gears can directly pull up the handrail to quickly realize the height adjustment. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;

[0016] Figure 2 It is a three-dimensional explosion structure schematic diagram of the utility model;

[0017] Figure 3 It is the explosion plane structure schematic view of the utility model;

[0018] Figure 4 It is the structure schematic view of the arc shape sliding adjustment assembly of the utility model;

[0019] Figure 5 It is the structure schematic view of the arc shape moving plate installation place of the utility model;

[0020] Figure 6 It is the explosion schematic view of the arc shape moving plate separation of the utility model;

[0021] Figure 7 It is the structure schematic view of the lifting tooth slot of the utility model.

[0022] In the drawing: 1, handrail contact plate; 2, lifting outer sleeve rod; 3, support inner rod; 4, extension seat; 5, handrail top cover; 6, handrail bottom shell; 7, front and rear guide sliding groove; 8, corrugated clamping groove A; 9, limiting sliding block; 10, elastic clamping column A; 11, transverse communication opening; 12, connecting seat; 13, positioning clamping rod; 14, elastic clamping column B; 15, lifting tooth slot; 16, lifting groove; 17, limiting plate; 18, longitudinal communication opening; 19, arc shape moving plate; 20, link base; 21, arc shape sliding groove; 22, corrugated clamping groove B; 23, elastic clamping column C; 24, reset guide sliding groove; 25, elastic clamping column D. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] Embodiment 1

[0025] Please refer to Figure 1 and Figure 7The utility model provides a technical scheme: a handrail, including handrail bottom shell 6, the top edge of handrail bottom shell 6 is engaged and is provided with handrail top cover 5 still, the fixed setting of handrail top cover 5 has handrail contact plate 1, the inside setting of handrail bottom shell 6 has the front and rear sliding adjustment assembly that can adjust before and after, the bottom of handrail bottom shell 6 is provided with link base 20, the arc sliding adjustment assembly of the arc swing adjustment that can drive handrail bottom shell 6 is set up on handrail bottom shell 6, the bottom of link base 20 is provided with the pull type lifting adjustment assembly that can adjust the lifting, in the embodiment, preferably, the front and rear sliding adjustment assembly includes the front and rear guide slide 7 of setting on handrail bottom shell 6, the multiple corrugated clamping slot A8 of being located the surface of the both sides of front and rear guide slide 7, the limiting slide 9 of the sliding limit in front and rear guide slide 7, realize the adjustment of the front and rear sliding, the both sides of limiting slide 9 are provided with the elastic clamping column A10 of elastic extension, limiting slide 9 is positioned by the elastic clamping column A10 and the arbitrary one corrugated clamping slot A8 of corresponding one side clamping, can carry out the positioning of the front and rear sliding adjustment of multiple gear positions. In the embodiment, preferably, the arc sliding adjustment assembly includes the arc slide 21 of being set up on link base 20, the arc moving plate 19 of sliding setting in arc slide 21, the limiting plate 17 for preventing the slide of arc moving plate 19, and limiting plate 17 and link base 20 fixed connection, the longitudinal communication opening 18 of being set up on limiting plate 17, and longitudinal communication opening 18 and the direction of arc slide 21 are identical, the connecting seat 12 of fixed setting in the top of arc moving plate 19, and connecting seat 12 slides along longitudinal communication opening 18, the elastic clamping column C23 of being set up on the both sides of arc moving plate 19 can elastic extension, and the multiple corrugated clamping slot B22 of being set up on the surface of the both sides of arc slide 21, arc moving plate 19 is positioned by the elastic clamping column C23 and arbitrary one corrugated clamping slot B22 clamping, can realize the positioning after handrail arc sliding adjustment. In the embodiment, preferably, the bottom of front and rear guide slide 7 is provided with the transverse communication opening 11 of through -type, connecting seat 12 passes through transverse communication opening 11 and is fixedly connected with limiting slide 9, the direction of transverse communication opening 11 and the direction of the sliding of limiting slide 9 are identical, to guarantee the synchronism of movement direction.In the embodiment, preferably, the pulling type lifting adjusting assembly comprises a lifting sleeve rod 2 fixed outside the connecting base 20, a supporting inner rod 3 movably arranged in the lifting sleeve rod 2, an extension base 4 fixedly arranged at the bottom end of the supporting inner rod 3, a lifting groove 16 formed on the supporting inner rod 3, a plurality of lifting clamping grooves 15 uniformly distributed in the lifting groove 16, and a positioning clamping rod 13 arranged at the top end of the inner side of the lifting sleeve rod 2, wherein the positioning clamping rod 13 is rotatably connected with the lifting sleeve rod 2 through a shaft, a reset spring sleeve is sleeved on the shaft to elastically reset the positioning clamping rod 13, the bottom end of the positioning clamping rod 13 extends into the lifting groove 16, and the bottom end of the positioning clamping rod 13 is clamped and positioned with any one of the lifting clamping grooves 15 through the reset spring sleeve, the height can be adjusted in multiple gears by pulling the lifting sleeve rod 2, symmetric reset guide sliding grooves 24 are formed on both sides of the lifting groove 16, and elastic clamping columns B 14 elastically extendable are arranged at both sides of the bottom end of the positioning clamping rod 13, when the positioning clamping rod 13 is clamped with any one of the lifting clamping grooves 15, the elastic clamping columns B 14 at both sides are in an elastically compressed state, when the bottom end of the positioning clamping rod 13 rises to the top end edge position of the lifting groove 16 along with the lifting sleeve rod 2, the elastic clamping columns B 14 in the compressed state elastically extend at this time, extend to the inner side of the top end of the reset guide sliding groove 24, and then the elastic clamping columns B 14 slide along the reset guide sliding groove 24, while ensuring that the positioning clamping rod 13 is separated from the lifting clamping groove 15 in the process of descending, so that the clamping condition does not occur, the bottom end of the reset guide sliding groove 24 is provided with an inclined groove which is transitioned with the lifting groove 16, so that the elastic clamping columns B 14 slide to the bottom end of the reset guide sliding groove 24, and then move to the bottom end of the lifting groove 16 through the transition inclined groove, and the positioning clamping rod 13 is reset at the bottom end of the lifting groove 16 under the action of the reset spring sleeve.

[0026] Although the embodiments of the utility model have been shown and described in detail, and the detailed description is described above, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A handrail comprising a handrail bottom shell (6), the top edge of which is snap-fitted with a handrail top cover (5), and a handrail contact plate (1) is fixedly arranged on the handrail top cover (5), characterized in that: The handrail bottom shell (6) is provided with a front and back sliding adjustment assembly which can be adjusted forward and backward, the bottom of the handrail bottom shell (6) is provided with a connecting base (20), the handrail bottom shell (6) is provided with an arc sliding adjustment assembly which can drive the handrail bottom shell (6) to swing and adjust, the bottom of the connecting base (20) is provided with a pulling type lifting adjustment assembly which can be adjusted up and down.

2. A handrail according to claim 1, characterised in that: The front and back sliding adjustment assembly comprises a front and back guide sliding groove (7) arranged on the handrail bottom shell (6), a plurality of corrugated clamping grooves A (8) arranged on the surfaces of the two sides of the front and back guide sliding groove (7), a limiting sliding block (9) which is limited to slide in the front and back guide sliding groove (7), and elastic clamping columns A (10) which are arranged on the two sides of the limiting sliding block (9) and can be elastically stretched and contracted, and the limiting sliding block (9) is positioned by being clamped with any one of the corrugated clamping grooves A (8) on the corresponding side through the elastic clamping columns A (10).

3. A handrail according to claim 2, wherein: The arc sliding adjustment assembly comprises an arc sliding groove (21) arranged on the connecting base (20), an arc moving plate (19) which is arranged to slide in the arc sliding groove (21), a limiting plate (17) which is arranged to prevent the arc moving plate (19) from sliding off, wherein the limiting plate (17) is fixedly connected with the connecting base (20), a longitudinal communication opening (18) which is arranged on the limiting plate (17) and is consistent with the direction of the arc sliding groove (21), a connecting seat (12) which is fixedly arranged on the top of the arc moving plate (19) and slides along the longitudinal communication opening (18), elastic clamping columns C (23) which are arranged on the two sides of the arc moving plate (19) and can be elastically stretched and contracted, and a plurality of corrugated clamping grooves B (22) which are arranged on the surfaces of the two sides of the arc sliding groove (21), and the arc moving plate (19) is positioned by being clamped with any one of the corrugated clamping grooves B (22) through the elastic clamping columns C (23).

4. A handrail according to claim 3, wherein: The bottom of the front and back guide sliding groove (7) is provided with a through-type horizontal communication opening (11), the connecting seat (12) passes through the horizontal communication opening (11) and is fixedly connected with the limiting sliding block (9), and the direction of the horizontal communication opening (11) is consistent with the sliding direction of the limiting sliding block (9).

5. A handrail according to claim 4, wherein: The pull type lifting adjusting assembly comprises a lifting sleeve rod (2) fixed outside a connecting base (20), a supporting inner rod (3) movably arranged in the lifting sleeve rod (2), an extension base (4) fixedly arranged at the bottom end of the supporting inner rod (3), a lifting groove (16) opened on the supporting inner rod (3), a plurality of lifting clamping grooves (15) uniformly distributed in the lifting groove (16), and a positioning clamping rod (13) arranged at the top end of the inner side of the lifting sleeve rod (2), wherein the positioning clamping rod (13) is rotationally connected with the lifting sleeve rod (2) through a shaft, a reset spring sleeve is sleeved on the shaft to elastically reset the positioning clamping rod (13), the bottom end of the positioning clamping rod (13) extends into the lifting groove (16), the bottom end of the positioning clamping rod (13) is clamped and positioned with any one of the lifting clamping grooves (15) through the reset spring sleeve, symmetric reset guide sliding grooves (24) are opened on the two sides of the lifting groove (16), and elastic clamping columns B (14) elastically extendable are arranged on the two sides of the bottom end of the positioning clamping rod (13), when the positioning clamping rod (13) is clamped with any one of the lifting clamping grooves (15), the elastic clamping columns B (14) on the two sides are in an elastically compressed state.

6. A handrail according to claim 5, characterised in that: When the bottom end of the positioning clamping rod (13) rises to the top end edge position of the lifting groove (16) along with the lifting sleeve rod (2), the elastic clamping columns B (14) in the compressed state extend to the inner side of the top end of the reset guide sliding groove (24), and the bottom end of the reset guide sliding groove (24) is provided with an inclined groove in transition with the lifting groove (16).

7. A handrail according to claim 5, wherein: A tightening hoop is clamped and sleeved on the outer surface of the supporting inner rod (3) close to the two ends of the lifting groove (16).

8. A handrail according to claim 5, wherein: The elastic clamping columns A (10), the elastic clamping columns B (14) and the elastic clamping columns C (23) are all composed of cylindrical clamping columns with a circular arc at one end and spring pieces.

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