CN220713431U - Polyurethane handrail with high flame retardance - Google Patents

Abstract

The utility model discloses a polyurethane handrail with high flame retardance, which comprises a polyurethane panel (1), a handrail main body (2), a stand column (3) and a mounting plate (4), wherein the polyurethane panel (1) is fixed at the top of the handrail main body (2), the bottom of the handrail main body (2) is fixed with the top of the stand column (3), and the bottom of the stand column (3) is fixed with the mounting plate (4); the method is characterized in that: the top of stand (3) is equipped with roof (5), be equipped with locating piece (6) in handrail main part (2), locating piece (6) are fixed with roof (5), handrail main part (2) are connected along horizontal plane direction rotation with roof (5), and through locating piece (6) to handrail main part (2) circumference location after the rotation. The armrest does not need to be adjusted by an adjusting switch, is convenient for operators to use, and has simple internal structure and good reliability.

Description

Polyurethane handrail with high flame retardance

Technical Field

The utility model relates to the technical field of office equipment, in particular to a polyurethane handrail with high flame retardance.

Background

There is presently disclosed a chair armrest comprising an armrest post and an armrest handle supported on the armrest post and rotatable about an axis of rotation, the armrest handle being linearly movable relative to the armrest post, a rotation mechanism for rotating the armrest handle being disposed substantially entirely within the armrest post. The rotation mechanism is at least almost entirely or substantially disposed inside the armrest upright. The rotation mechanism is located inside such a handrail structural element, which is arranged separately from the handrail handle, i.e. in the handrail upright. The handrail of this structure above has the following drawbacks: although can realize the multi-angle rotation, the adoption is the gear engagement structure, and the structure is complicated, and the use needs periodic maintenance in the later stage moreover, and inner structure complicacy durability is relatively poor, and when adjusting, need press the regulating switch earlier, just can realize rotating.

Disclosure of Invention

The utility model aims to solve the technical problem of providing the polyurethane handrail with high flame retardance, which is convenient for operators to use, and has the advantages of simple internal structure and good reliability without an adjusting switch during adjustment.

The technical scheme of the utility model is that the polyurethane handrail with the following structure is provided, and the polyurethane handrail comprises a polyurethane panel, a handrail main body, an upright post and a mounting plate, wherein the polyurethane panel is fixed at the top of the handrail main body, the bottom of the handrail main body is fixed with the top of the upright post, and the bottom of the upright post is fixed with the mounting plate; the method is characterized in that: the top of stand is equipped with the roof, be equipped with the locating piece in the handrail main part, the locating piece is fixed with the roof, the handrail main part is connected along horizontal plane direction rotation with the roof, and through the locating piece to the handrail main part circumference location after the rotation.

The bottom plate of handrail main part is equipped with the elongated slot, the top of locating piece passes the elongated slot and is the rectangle, be equipped with the rotation board in the handrail main part, the rotation board is equipped with the centre bore and overlaps outside the spliced pole of locating piece, the spliced pole of locating piece is used as the rotation center pin when rotating to the rotation board.

The utility model discloses a rotary plate, including the locating piece, the locating piece is equipped with the protruding elastic plate, the bottom of the free end of elastic plate is equipped with the arch, the arch embedding makes the locating piece to the locating piece circumference location of rotary plate in one of them recess of rotary plate in the recess of at least one side is equipped with a plurality of recesses that set up along the arc direction, the central line of recess is located concentric circle radius.

The two side walls of the bulge are clung to the side walls of the groove.

The elastic plates are arranged at two ends which are bilaterally symmetrical.

A gap for sliding the armrest main body is arranged between the bottom surface of the rotating plate and the top surface of the top plate, and the two side walls of the rotating plate and the inner side wall of the armrest main body are positioned through racks.

The rotating plate is communicated with the armrest main body to synchronously rotate.

The bottom of spliced pole is equipped with the rectangular hole, the top of roof is equipped with protruding rectangular piece, the rectangular hole is embedded and circumference location mutually with the rectangular piece.

After adopting the structure, the utility model has the following advantages: when the rotation direction is adjusted, the armrest panel is rotated by external force, namely, the internal adjustment can be realized by the external force directly, and the rotated armrest main body can be circumferentially positioned by the positioning block after the adjustment, so that convenience can be brought to a user. The regulation and positioning structure connects the list reliably, utilizes the self elasticity of the elastic plate of locating piece to realize regulation and positioning, makes the elastic plate take place deformation through external force when adjusting, resets through the self of shell fragment and fixes a position when adjusting the back location, and this kind of structure does not need the maintenance of later stage, also makes inner structure simple, and the reliability is good. The cylinder of the adjusting block adopted by the structure not only can be used as a reference for rotation of the adjusting disk, but also can be used for positioning the front limit position and the rear limit position of the front sliding position and the rear sliding position.

Drawings

Fig. 1 is a schematic perspective view of a polyurethane handrail with high flame retardancy according to the present utility model.

Fig. 2 is an exploded schematic view of the polyurethane handrail with high flame retardancy of the present utility model.

Fig. 3 is an internal schematic view of the armrest body of the present utility model.

Fig. 4 is a schematic view of a positioning block according to the present utility model.

The figure shows:

1. polyurethane panel, 2, handrail main part, 2.1, elongated slot, 3, stand, 4, mounting panel, 5, roof, 5.1, rectangular block, 6, locating piece, 6.1, spliced pole, 6.2, elastic plate, 6.3, arch, 6.4, rectangular hole, 7, rotor plate, 7.1, recess.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

The polyurethane handrail with high flame retardance comprises a polyurethane panel 1, a handrail main body 2, a stand column 3 and a mounting plate 4, wherein the polyurethane panel 1 is fixed on the top of the handrail main body 2 and is made of soft materials, the bottom of the handrail main body 2 is fixed with the top of the stand column 3, and the bottom of the stand column 3 is fixed with the mounting plate 4. The stand 3 comprises inner tube and outer tube, realizes the flexible of direction of height, realizes the height after the flexible through location structure after the regulation.

As shown in fig. 2, the top of the upright post 3 is provided with a top plate 5, and the top plate 5 seals the top of the upright post 3 at the same time to prevent dust from entering. The armrest main body 2 is internally provided with a positioning block 6, the positioning block 6 is fixed with the top plate 5, and the positioning block 6 is fixed as a rotating central shaft. The armrest main body 2 is rotationally connected with the top plate 5 along the horizontal plane direction, and the rotated armrest main body 2 is circumferentially positioned by the positioning block 6.

The bottom plate of the armrest main body 2 is provided with a long groove 2.1, and the long groove 2.1 is arranged along the length direction of the armrest. The top of the positioning block 6 passes through the long groove 2.1 and is rectangular. When the armrest main body 2 stretches back and forth, the connecting column 6.1 of the positioning block 6 serves as one of sliding positioning points, and the connecting column 6.1 serves as a rotation center shaft.

The handrail main body 2 is internally provided with a rotating plate 7, the rotating plate 7 is provided with a central hole and is sleeved outside the connecting column 6.1 of the positioning block 6, and the rotating plate 7 takes the connecting column 6.1 of the positioning block 6 as a rotating central shaft during rotation. The rotation plate 7 moves and rotates forward and backward in synchronization with the armrest body 2.

As shown in fig. 3, at least one side of the rotating plate 7 is provided with a plurality of grooves 7.1 arranged along an arc direction, and the center line of the grooves 7.1 is positioned on the radius of the concentric circle. The grooves 7.1 are distributed in a fan shape, the elastic plates 6.2 are two ends which are bilaterally symmetrical, one part of the elastic plates is positioned at the front end, and the other part of the elastic plates is positioned at the rear end.

As shown in fig. 4, the positioning block 6 includes a head and a connecting post 6.1 at the lower part, the head of the positioning block 6 is provided with a protruding elastic plate 6.2, the bottom of the free end of the elastic plate 6.2 is provided with a protrusion 6.3, two corresponding elastic plates 6.2 in this embodiment are also symmetric left and right, and the two elastic plates 6.2 are respectively embedded with a plurality of grooves 7.1 at corresponding sides for positioning, and by adopting front and rear positioning, the positioning strength can be increased and the stress balance is good.

The projection 6.3 engages in one of the recesses 7.1 of the rotor plate 7, so that the positioning block 6 is positioned circumferentially on the rotor plate 7. The elastic plate 6.2 is provided with certain elasticity capable of swinging up and down, is embedded in one groove 7.1, and can enable the protrusion 6.3 to be far away from the groove 7.1 only by a certain external force, and two side walls of the protrusion 6.3 are tightly attached to the side walls of the groove 7.1.

A gap for sliding the armrest main body 2 is arranged between the bottom surface of the rotating plate 7 and the top surface of the top plate 5, and the two side walls of the rotating plate 7 and the inner side wall of the armrest main body 2 are positioned by racks, wherein the racks on the two side walls are used for positioning the positions which are adjusted front and back.

The rotating plate 7 is communicated with the armrest main body 2 to synchronously rotate.

The bottom of the connecting column 6.1 is provided with a rectangular hole 6.4, the top of the top plate 5 is provided with a protruding rectangular block 5.1, and the rectangular hole 6.4 and the rectangular block 5.1 are embedded and circumferentially positioned.

Claims (8)

1. The polyurethane handrail with high flame retardance comprises a polyurethane panel (1), a handrail main body (2), a stand column (3) and a mounting plate (4), wherein the polyurethane panel (1) is fixed at the top of the handrail main body (2), the bottom of the handrail main body (2) is fixed with the top of the stand column (3), and the bottom of the stand column (3) is fixed with the mounting plate (4); the method is characterized in that: the top of stand (3) is equipped with roof (5), be equipped with locating piece (6) in handrail main part (2), locating piece (6) are fixed with roof (5), handrail main part (2) are connected along horizontal plane direction rotation with roof (5), and through locating piece (6) to handrail main part (2) circumference location after the rotation.

2. A polyurethane handrail having high flame retardancy as claimed in claim 1, wherein: the bottom plate of handrail main part (2) is equipped with elongated slot (2.1), elongated slot (2.1) and rectangle are passed at the top of locating piece (6), be equipped with rotation board (7) in handrail main part (2), rotation board (7) are equipped with the centre bore and overlap outside spliced pole (6.1) of locating piece (6), rotation board (7) use spliced pole (6.1) of locating piece (6) as the center pin of rotation when rotating.

3. A polyurethane handrail having high flame retardancy as claimed in claim 2, wherein: the utility model discloses a rotor plate, including rotor plate (7), locating piece, protruding spring plate (6.2), recess (7.1) that a plurality of recesses (7.1) that are equipped with along the arc direction set up are equipped with to at least one side of rotor plate (7), the central line of recess (7.1) is located the radius of concentric circles, locating piece (6) are equipped with protruding spring plate (6.2), the bottom of the free end of spring plate (6.2) is equipped with arch (6.3), protruding ((6.3) embedding is in one recess (7.1) of rotor plate (7) and makes locating piece (6) to rotor plate (7) circumference location.

4. A polyurethane handrail having high flame retardancy as claimed in claim 3, wherein: the two side walls of the bulge (6.3) are clung to the side walls of the groove (7.1).

5. A polyurethane handrail having high flame retardancy as claimed in claim 3, wherein: the elastic plates (6.2) are arranged at two symmetrical ends.

6. A polyurethane handrail having high flame retardancy as claimed in claim 2, wherein: a gap for sliding the armrest main body (2) is arranged between the bottom surface of the rotating plate (7) and the top surface of the top plate (5), and the two side walls of the rotating plate (7) and the inner side wall of the armrest main body (2) are positioned through racks.

7. A polyurethane handrail having high flame retardancy as claimed in claim 2, wherein: the rotating plate (7) is communicated with the armrest main body (2) to synchronously rotate.

8. A polyurethane handrail having high flame retardancy as claimed in claim 2, wherein: the bottom of spliced pole (6.1) is equipped with rectangular hole (6.4), the top of roof (5) is equipped with protruding rectangle piece (5.1), rectangular hole (6.4) are embedded and circumferential location mutually with rectangle piece (5.1).