CN107041646A - One kind lifting handrail - Google Patents

Abstract

The invention discloses a lifting handrail, which comprises: a column on which a driving device is installed; and a handrail which is sleeved on the column and is driven by the driving device to perform linear reciprocating motion along the height direction of the column unit; wherein, the armrest unit includes a left armrest and a right armrest, and the ends of the left armrest and the right armrest are respectively connected by an armrest connector and a column adapter sleeve, and the column adapter sleeve is set on the on the upright. The invention has the advantages of convenient lifting and adjustment of the handrail, stable and reliable structure, and convenient processing.

Description

a lifting armrest

Technical field:

The invention relates to the technical field of handrails, in particular to a handrail with reliable structure and capable of lifting.

Background technique:

Generally, in the human-computer interaction, it is necessary to consider the comfortable position of the user's elbow to facilitate the human-computer interaction. The handrail structure in the prior art has poor stability and the height of the handrail is basically fixed, but the users are tall, short, fat, and thin, and they are different. Therefore, when the armrest supports the operator's elbow in a fixed situation, such an armrest has a single position and cannot meet the body shape requirements of as many operators as possible.

Invention content:

The purpose of the present invention is to provide a lifting handrail for the deficiencies of the prior art, which has the advantages of convenient lifting and adjustment of the handrail, stable and reliable structure, and convenient processing.

The technical solutions of the present invention are as follows: a lifting handrail, comprising: a column on which a driving device is installed; A reciprocating armrest unit; wherein, the armrest unit includes a left armrest and a right armrest, and the ends of the left armrest and the right armrest are respectively connected by an armrest connector and a column adapter sleeve, and the column transfer The sleeve is set on the column.

As a preference of the above technical solution, the driving device includes a lead screw module installed on the column, a lead screw connecting plate connecting the lead screw module and the column adapter sleeve, a screw module provided on the lead screw module One end is used to drive the motor of the lead screw module and the coupling connecting the motor and the lead screw module, wherein the motor is installed on the column through a flange mounting seat.

As a preference of the above technical solution, the lead screw module includes an upper bracket installed on the column, a lower bracket installed on the column and located directly below the upper bracket, a rotatable A lead screw on the bracket and the lower support, a lead screw nut screwed on the lead screw, wherein the two ends of the lead screw are respectively mounted on the upper support and the lower support through bearings, The lead screw nut is fixedly connected to the lead screw connecting plate through a lead screw adapter seat, and the shaft coupling connects the lead screw and the motor.

As a preference of the above technical solution, the motor is a motor with a reducer.

As a preference of the above technical solution, one end of the left handrail connected to the column adapter sleeve is fixedly provided with a left handrail connecting plate; the end of the right armrest connected to the column adapter sleeve is fixedly provided with a right handrail connecting plate A groove is respectively formed on the side wall of the column adapter sleeve in contact with the left armrest connecting plate and the right armrest connecting plate, and a groove is respectively formed on the left armrest connecting plate and the right armrest connecting plate A bump that fits into the groove.

As a preference of the above technical solution, armrest ribs are welded between the left armrest and the left armrest connecting plate and between the right armrest and the right armrest connecting plate.

As a preference of the above technical solution, the left handrail and the right handrail are made of square steel pipes with a section size of 40*40mm and a thickness of 4mm.

The beneficial effects of the present invention are:

1) The armrest unit includes a left armrest and a right armrest. The ends of the left armrest and the right armrest are connected by the armrest connecting piece and the column adapter sleeve, which has a simple structure and is easy to process;

2) The lifting and lowering of the armrest unit is controlled by the screw, the lifting and adjusting of the armrest unit is convenient, the transmission is stable and reliable, and the positioning accuracy is high;

3) The left and right handrails are made of square steel pipes, which have strong rigidity, light weight and strong replaceability.

Description of drawings:

The following drawings are only intended to illustrate and explain the present invention schematically, and do not limit the scope of the present invention. in:

Fig. 1 is the overall structure schematic diagram of the present invention;

Fig. 2 is the structural representation of handrail unit of the present invention;

Fig. 3 is a schematic diagram of an enlarged structure of area A in Fig. 2;

Fig. 4 is the schematic diagram of the exploded structure of the armrest unit of the present invention;

Fig. 5 is a schematic structural view of the column adapter sleeve of the present invention;

Fig. 6 is a schematic structural view of the driving device of the present invention;

Fig. 7 is a structural schematic diagram of the lead screw module of the present invention.

In the figure, 10, column; 20, driving device; 21, lead screw module; 211, upper bracket; 212, lower bracket; 213, lead screw; 214, lead screw nut; 215, lead screw adapter seat; 216, bearing ;22, shaft coupling; 23, motor; 231, flange mounting seat; 24, lead screw connecting plate; 30, armrest unit; 31, left armrest; 311, left armrest connecting plate; 32, right armrest; 321, right Handrail connecting plate; 33, handrail connecting piece; 34, column adapter sleeve; 341, groove; 35, armrest rib.

detailed description:

Examples: The following specific examples illustrate the implementation of the present invention, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The descriptions of "above", "below", "top" and "bottom" mentioned in this embodiment are defined according to the usual meaning, for example, referring to the definition of the direction of gravity, the direction of gravity is below, and opposite The direction is above, and similarly above is the top or the top, and below is the bottom or the bottom, which is only for the convenience of description, and is not used to limit the scope of the present invention. The change or adjustment of its relative relationship, Without substantive changes in technical content, it should also be regarded as the scope of implementation of the present invention.

As shown in FIG. 1 , a lifting handrail includes: a column 10 on which a driving device 20 is installed; Direction of the armrest unit 30 for linear reciprocating motion. As shown in Fig. 2 to Fig. 5, the armrest unit 30 includes a left armrest 31 and a right armrest 32, and the ends of the left armrest 31 and the right armrest 32 pass through the armrest connector 33 and the column adapter sleeve respectively. 34, the column adapter sleeve 34 is set on the column 10. One end of the left handrail 31 connected to the column adapter sleeve 34 is fixedly provided with a left handrail connecting plate 311; the end of the right armrest 32 connected to the column adapter sleeve 34 is fixedly provided with a right handrail connecting plate 321; A groove 341 is respectively formed on the side wall of the column adapter sleeve 34 in contact with the left armrest connecting plate 311 and the right armrest connecting plate 321, and the left armrest connecting plate 311 and the right armrest connecting plate Protrusions matching the grooves 341 are respectively formed on the 321, and the grooves 341 and the protrusions are embedded together during welding. Between the left armrest 31 and the left armrest connecting plate 311 and between the right armrest 32 and the right armrest connecting plate 321 are welded armrest ribs 35, the armrest ribs 35 can effectively strengthen the The rigidity of the handrail unit 30 is stable and reliable in structure. The left handrail 31 and the right handrail 32 are made of square steel pipes with a section size of 40*40mm and a thickness of 4mm. The square steel pipe is a standard part, easy to take and process, and has strong replaceability. In addition, it also has the advantages of strong rigidity and light weight, so it has good performance.

In this embodiment, the cross-section of the column 10 is U-shaped; the structure of the left armrest 31 is symmetrical to that of the right armrest 32 . The handrail connector 33 splices one end of the left handrail 31 and the right handrail through screws; the other end of the left handrail 31 is welded with the left handrail connecting plate 311, and the The other end is welded with the right armrest connecting plate 321; between the left armrest connecting plate 311 and the column adapter sleeve 34 and between the right armrest connecting plate 321 and the column adapter sleeve 34, screws and Fixing by welding inlays is more stable than fixing by screws only.

The driving device 20 includes a screw module 21 installed on the column 10, a screw connection plate 24 connecting the screw module 21 and the column adapter sleeve 34, and a One end is used to drive the motor 23 of the lead screw module 21, and the coupling 22 connecting the motor 23 and the lead screw module 21, wherein the motor 23 is installed on the column 10 through a flange mounting seat 231 superior. The lead screw module 21 includes an upper bracket 211 installed on the column 10, a lower bracket 212 installed on the column 10 and located directly below the upper bracket 211, and a rotatably arranged upper bracket 212. 211 and the lead screw 213 on the lower support 212, a lead screw nut 214 screwed on the lead screw 213, wherein, the two ends of the lead screw 213 are installed on the upper support 211 through bearings 216 respectively On the lower bracket 212 , the lead screw nut 214 is fixedly connected to the lead screw connecting plate 24 through a lead screw adapter 215 , and the coupling 22 connects the lead screw 213 and the motor 23 . In this embodiment, the motor 23 is a motor with a reducer.

Working principle: when installing, first weld the left armrest 31, the left armrest connecting plate 311 and the armrest rib 35 into one, and then weld the right armrest 32, the right armrest connecting plate 321 and the The armrest rib 35 is welded into one; then, the above two parts are spliced into one through the column adapter sleeve 34 and the armrest connector 33 . The column adapter sleeve 34 is arranged on the column 10, and can reciprocate linearly along the height direction of the column 10 under the drive of the driving device 20, that is, the armrest unit 30 can move along the column 10, Moving down facilitates the user to adjust the armrest unit 30 to a suitable height, which is convenient to use. When in use, the motor 23 drives the lead screw 213 to rotate, and the armrest unit 30 fixed with the lead screw nut 214 can move up and down, thereby adjusting the armrest unit 30 to a suitable position .

The examples are used to illustrate the present invention, but not to limit the present invention. Any person skilled in the art can modify the embodiments without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention should be listed in the claims of the present invention.

Claims (7)

1. one kind lifting handrail, it is characterised in that including：

Column (10), is provided with drive device (20) thereon；And

It is set in the short transverse of column (10) described in the driving lower edge on the column (10) and in the drive device (20) Make the armrest unit (30) of straight reciprocating motion；

Wherein, the armrest unit (30) include a left handrail (31) and a right handrail (32), the left handrail (31) with it is described The end of right handrail (32) is connected by handrail connector (33) and column reducing sleeve (34) respectively, the column reducing sleeve (34) It is set on the column (10).

2. lifting handrail according to claim 1, it is characterised in that：The drive device (20) includes being arranged on described vertical Leading screw module (21), the leading screw connecting plate of the connection leading screw module (21) and the column reducing sleeve (34) on post (10) (24), being arranged on one end of the leading screw module (21) is used to drive the motor (23) of the leading screw module (21), connection described Motor (23) and the shaft coupling (22) of the leading screw module (21), wherein, the motor (23) is pacified by flange mounting seat (231) On the column (10).

3. lifting handrail according to claim 2, it is characterised in that：The leading screw module (21) includes one and is arranged on described Upper bracket (211) on column (10), one be arranged on the column (10) and immediately below the upper bracket (211) under Leading screw (213) that support (212), one are rotatably provided on the upper bracket (211) and the lower carriage (212), one are screwed onto Feed screw nut (214) on the leading screw (213), wherein, the two ends of the leading screw (213) are installed by bearing (216) respectively On the upper bracket (211) and the lower carriage (212), the feed screw nut (214) passes through leading screw adapter (215) and institute State leading screw connecting plate (24) to be connected, the shaft coupling (22) connects the leading screw (213) and the motor (23).

4. lifting handrail according to claim 2, it is characterised in that：The motor (23) is the motor with decelerator.

5. lifting handrail according to claim 1, it is characterised in that：The left handrail (31) and the column reducing sleeve (34) one end of connection is fixedly installed a left handrail connecting plate (311)；The right handrail (32) and the column reducing sleeve (34) one end of connection is fixedly installed a right handrail connecting plate (321)；The column reducing sleeve (34) connects with the left handrail A groove (341) is formed respectively on the side wall that fishplate bar (311) and the right handrail connecting plate (321) are in contact, and the left side is helped The projection being engaged with the groove (341) is respectively formed with hand connecting plate (311) and the right handrail connecting plate (321).

6. lifting handrail according to claim 5, it is characterised in that：The left handrail (31) and the left handrail connecting plate (311) handrail gusset (35) is welded between and between the right handrail (32) and the right handrail connecting plate (321).

7. lifting handrail according to claim 1, it is characterised in that：The left handrail (31) and the right handrail (32) are adopted It is 40*40mm with cross-sectional sizes, thickness is made up of 4mm square steel tube.