CN209750449U - Automatic furniture handrail that goes up and down - Google Patents
Automatic furniture handrail that goes up and down Download PDFInfo
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- CN209750449U CN209750449U CN201822192570.1U CN201822192570U CN209750449U CN 209750449 U CN209750449 U CN 209750449U CN 201822192570 U CN201822192570 U CN 201822192570U CN 209750449 U CN209750449 U CN 209750449U
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- plate
- lead screw
- belt pulley
- sliding
- connecting block
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Abstract
the utility model discloses an automatic furniture handrail that goes up and down, including bottom plate, curb plate, spout, slider, fly leaf, connecting plate, guide bar, lead screw slip table, first connecting block, limiting plate, spacing hole, pivot, micro motor, belt, first belt pulley, second belt pulley, connecting rod, second connecting block, handrail, backup pad, recess, rack plate, gear, bearing and turning handle. The utility model discloses rational in infrastructure, it rotates to drive the second belt pulley through first belt pulley and belt through micro motor, the second belt pulley drives the lead screw and rotates, two lead screw slip tables move to the second belt pulley along the lead screw, first connecting block rotates through pivot and connecting rod, the other end of connecting rod rotates through pivot and second connecting block, the connecting rod promotes the backup pad rebound, the backup pad drives the fly leaf and passes through the slider rebound in the inside spout of curb plate, the fly leaf drives the handrail and rises to a take the altitude, adjust the bearing height of handrail, convenient and fast.
Description
Technical Field
The utility model relates to a furniture handrail specifically is an automatic furniture handrail that goes up and down belongs to furniture manufacturing application technical field.
Background
The existing furniture, such as chairs, sofas and the like, is generally provided with armrests on two side surfaces respectively, so that the furniture can support the hands of a user to provide a more comfortable rest environment for the user, and can beautify and decorate the furniture to meet diversified requirements of people.
the existing furniture armrest is not firm enough in structure and easy to damage, the common furniture armrest cannot lift the armrest, when users with different heights use the furniture armrest, the arms are different in length and cannot well support the arms and hands of the users, the existing furniture armrest is fixed in length, fine adjustment and support cannot be achieved, and the furniture armrest is inconvenient to use. Therefore, an automatic lifting furniture armrest is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an automatic lifting furniture handle for solving the problems.
The utility model realizes the purpose through the following technical proposal, an automatic lifting furniture handrail comprises a bottom plate, a lifting device and a telescopic device;
The lifting device comprises side plates, a sliding groove, a sliding block, a movable plate, a connecting plate, a guide rod, a screw rod sliding table, a first connecting block, a limiting plate, a limiting hole, a rotating shaft, a micro motor, a belt, a first belt pulley, a second belt pulley, a connecting rod and a second connecting block, wherein the two ends of the bottom plate are fixedly connected with the side plates, one end of the side plate is fixedly connected with the guide rod, the outer side of the guide rod is sleeved with the limiting plate through the limiting hole, the top end of the limiting plate is fixedly connected with one end of the screw rod sliding table, the screw rod sliding table is in threaded connection with the screw rod, the screw rod is rotatably connected between the two side plates, the micro motor is installed at the center of the guide rod, the output end of the micro motor is sleeved with the first belt pulley, one end of the belt is wound on the first, the other end of the screw rod sliding table is fixedly connected with a first connecting block, the first connecting block is rotatably connected with one end of a connecting rod through a rotating shaft, the other end of the connecting rod is rotatably connected with one end of a second connecting block through the rotating shaft, the top end of the second connecting block is fixedly connected with the bottom end of a connecting plate, two ends of the connecting plate are fixedly connected with one end of a movable plate, the other end of the movable plate is fixedly connected with a sliding block, the sliding block is slidably connected with a sliding groove, and the sliding groove is formed in one end of a side plate;
The telescopic device comprises a handrail, a supporting plate, a groove, a rack plate, a gear, a bearing and a rotating handle, wherein the top end of the movable plate is fixedly connected with the handrail, the inside of the handrail is provided with the groove, the inside of the groove is connected with the supporting plate in a sliding manner, the two ends of the supporting plate are fixedly connected with the rack plate, the rack plate is meshed with the gear, the gear is fixedly connected at one end of the rotating handle, and the rotating handle is connected with the bottom end of the handrail through the bearing in a rotating manner.
Preferably, the gear is rotatably connected to the inside of the groove through a bearing and a rotating handle.
Preferably, the movable plate is connected with the sliding groove in a sliding mode through the sliding block, and the length of the movable plate is the same as that of the side plate.
Preferably, the number of the second connecting blocks is two, and the two second connecting blocks are symmetrically distributed on two sides of the bottom end of the connecting plate.
Preferably, the lead screw and the guide rod are located in the same vertical plane, and the lead screw is located at the top of the guide rod.
preferably, the width of the support plate is smaller than the width of the groove.
The utility model has the advantages that:
1. Through micro motor drive second belt pulley rotation through first belt pulley and belt, the second belt pulley drives the lead screw and rotates, two lead screw slip tables move to the second belt pulley along the lead screw, first connecting block rotates through pivot and connecting rod, the other end of connecting rod rotates through pivot and second connecting block, the connecting rod promotes backup pad rebound, the backup pad drives the fly leaf and passes through slider rebound in the inside spout of curb plate, the fly leaf drives the handrail and rises to a take the altitude, thereby adjust the bearing height of handrail, high convenience and quickness, the crowd who more is fit for different heights uses and bearing.
2. Through rotating the turning handle, the turning handle passes through the bearing and drives gear revolve, and the gear drives rack plate and removes to make rack plate drive the backup pad and shift out from the recess, make the total length increase of backup pad and handrail, thereby increase the length of handrail, facilitate the use.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a schematic view of the overall structure of the present invention;
Fig. 2 is a schematic view of the positions of the armrest, the support plate, the rack plate and the gear according to the present invention;
Fig. 3 is the utility model discloses guide bar, limiting plate and spacing hole position schematic diagram.
In the figure: 1. the bottom plate, 2, the curb plate, 3, the spout, 4, the slider, 5, the fly leaf, 6, the connecting plate, 7, the guide bar, 8, the lead screw, 9, lead screw slip table, 10, first connecting block, 11, the limiting plate, 12, spacing hole, 13, the pivot, 14, micro motor, 15, the belt, 16, first belt pulley, 17, the second belt pulley, 18, the connecting rod, 19, the second connecting block, 20, the handrail, 21, the backup pad, 22, the recess, 23, the rack board, 24, the gear, 25, the bearing, 26, the turning handle.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Referring to fig. 1-3, an automatic lifting furniture armrest comprises a base plate 1, a lifting device and a telescopic device;
The lifting device comprises side plates 2, a sliding groove 3, a sliding block 4, a movable plate 5, a connecting plate 6, a guide rod 7, a lead screw 8, a lead screw sliding table 9, a first connecting block 10, a limiting plate 11, a limiting hole 12, a rotating shaft 13, a micro motor 14, a belt 15, a first belt pulley 16, a second belt pulley 17, a connecting rod 18 and a second connecting block 19, wherein the two ends of the bottom plate 1 are fixedly connected with the side plates 2, one end of the side plate 2 is fixedly connected with the guide rod 7, the outer side of the guide rod 7 is sleeved with the limiting plate 11 through the limiting hole 12, the top end of the limiting plate 11 is fixedly connected with one end of the lead screw sliding table 9, the lead screw sliding table 9 is in threaded connection with the lead screw 8, the lead screw 8 is rotatably connected between the two side plates 2, the micro motor 14 is installed at the center of the guide rod 7, the output end of the micro motor 14, the other end of the belt 15 is sleeved with a second belt pulley 17, the second belt pulley 17 is sleeved at the center of the screw 8, the other end of the screw sliding table 9 is fixedly connected with a first connecting block 10, the first connecting block 10 is rotatably connected with one end of a connecting rod 18 through a rotating shaft 13, the other end of the connecting rod 18 is rotatably connected with one end of a second connecting block 19 through the rotating shaft 13, the top end of the second connecting block 19 is fixedly connected with the bottom end of a connecting plate 6, two ends of the connecting plate 6 are both fixedly connected with one end of a movable plate 5, the other end of the movable plate 5 is fixedly connected with a sliding block 4, the sliding block 4 is slidably connected with a sliding groove 3, the sliding groove 3 is arranged in one end of a side plate 2, the supporting height of the armrest 20 is adjusted, and the handrail is;
The telescoping device includes handrail 20, backup pad 21, recess 22, rack plate 23, gear 24, bearing 25 and turning handle 26, the top fixed connection handrail 20 of fly leaf 5, open recess 22 in the inside of handrail 20, the inside sliding connection backup pad 21 of recess 22, the equal fixed connection rack plate 23 in both ends of backup pad 21, rack plate 23 meshes the connection gear 24, gear 24 fixed connection is in the one end of turning handle 26, turning handle 26 rotates the bottom of connecting handrail 20 through bearing 25, is convenient for adjust support length.
the gear 24 is rotatably connected inside the groove 22 through a bearing 25 and a rotating handle 26, so that the structure is more reasonable and the connection is convenient; the movable plate 5 is connected with the sliding chute 3 in a sliding mode through the sliding block 4, and the movable plate 5 is the same as the side plate 2 in length and convenient to connect; the number of the second connecting blocks 19 is two, and the two second connecting blocks 19 are symmetrically distributed on two sides of the bottom end of the connecting plate 6, so that the structure is more reasonable, and the connection is convenient; the lead screw 8 and the guide rod 7 are positioned in the same vertical plane, and the lead screw 8 is positioned at the top of the guide rod 7, so that the lead screw is convenient to rotate; the width of the support plate 21 is smaller than that of the groove 22, so that the support plate can be moved conveniently.
When the utility model is used, firstly, the electrical components in the device are all externally connected with a control switch and a power supply, the micro motor 14 is turned on through the external switch, the micro motor 14 drives the second belt pulley 17 to rotate through the first belt pulley 16 and the belt 15, the second belt pulley 17 drives the lead screw 8 to rotate, the two lead screw sliding tables 9 move to the second belt pulley 17 along the lead screw 8, the first connecting block 10 rotates with the connecting rod 18 through the rotating shaft 13, the other end of the connecting rod 18 rotates with the second connecting block 19 through the rotating shaft 13, the connecting rod 18 pushes the supporting plate 21 to move upwards, the supporting plate 21 drives the movable plate 5 to move upwards in the sliding groove 3 inside the side plate 2 through the sliding block 4, the movable plate 5 drives the handrail 20 to rise to a certain height, thereby adjusting the supporting height of the handrail 20, which is convenient and fast, when the handrail 20 is short, the rotary handle 26 drives the gear 24 to rotate, the rack plate 23 is moved by the gear 24, so that the rack plate 23 drives the support plate 21 to move out of the groove 22, the total length of the support plate 21 and the armrest 20 is increased, the length of the armrest 20 is increased, and the use is convenient.
the micro motor 14 is a micro direct current brush motor with model number HJX62RP sold by the source manufacturer of the constant-speed motor in wenzhou, and a related matched power supply and circuit thereof.
It is well within the skill of those in the art to implement, without undue experimentation, the present invention does not relate to software and process improvements, as related to circuits and electronic components and modules.
it is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (6)
1. An automatic furniture handrail that goes up and down which characterized in that: comprises a bottom plate (1), a lifting device and a telescopic device;
the lifting device comprises side plates (2), a sliding groove (3), a sliding block (4), a movable plate (5), a connecting plate (6), a guide rod (7), a lead screw (8), a lead screw sliding table (9), a first connecting block (10), a limiting plate (11), a limiting hole (12), a rotating shaft (13), a micro motor (14), a belt (15), a first belt pulley (16), a second belt pulley (17), a connecting rod (18) and a second connecting block (19), wherein the two ends of the bottom plate (1) are fixedly connected with the side plates (2), one end of each side plate (2) is fixedly connected with the guide rod (7), the limiting plate (11) is sleeved outside the guide rod (7) through the limiting hole (12), the top end of each limiting plate (11) is fixedly connected with one end of the lead screw sliding table (9), the lead screw sliding table (9) is in threaded connection with the lead screw (8), and the lead screw (8) is rotatably, micro motor (14) is installed at the center of guide bar (7), first belt pulley (16) is cup jointed to the output of micro motor (14), the winding has the one end of belt (15) on first belt pulley (16), second belt pulley (17) is cup jointed to the other end of belt (15), the center at lead screw (8) is cup jointed in second belt pulley (17), the first connecting block of other end fixed connection (10) of lead screw slip table (9), first connecting block (10) rotates the one end of connecting rod (18) through pivot (13), the other end of connecting rod (18) rotates the one end of connecting second connecting block (19) through pivot (13), the bottom of the top fixed connection connecting plate (6) of second connecting block (19), the one end of the equal fixed connection fly leaf (5) in both ends of connecting plate (6), the other end fixed connection slider (4) of fly leaf (5), the sliding block (4) is connected with the sliding chute (3) in a sliding manner, and the sliding chute (3) is formed in one end of the side plate (2);
The telescopic device comprises an armrest (20), a support plate (21), a groove (22), a rack plate (23), a gear (24), a bearing (25) and a rotating handle (26), the top end of the movable plate (5) is fixedly connected with the armrest (20), the groove (22) is formed in the armrest (20), the support plate (21) is slidably connected with the inner portion of the groove (22), the rack plate (23) is fixedly connected with the two ends of the support plate (21), the rack plate (23) is meshed with the gear (24), the gear (24) is fixedly connected with one end of the rotating handle (26), and the rotating handle (26) is rotatably connected with the bottom end of the armrest (20) through the bearing (25).
2. The automatically liftable furniture armrest according to claim 1, wherein: the gear (24) is rotatably connected inside the groove (22) through a bearing (25) and a rotating handle (26).
3. The automatically liftable furniture armrest according to claim 1, wherein: the movable plate (5) is connected with the sliding groove (3) in a sliding mode through the sliding block (4), and the movable plate (5) is the same as the side plate (2) in length.
4. The automatically liftable furniture armrest according to claim 1, wherein: the number of the second connecting blocks (19) is two, and the two second connecting blocks (19) are symmetrically distributed on two sides of the bottom end of the connecting plate (6).
5. the automatically liftable furniture armrest according to claim 1, wherein: the lead screw (8) and the guide rod (7) are located on the same vertical plane, and the lead screw (8) is located at the top of the guide rod (7).
6. The automatically liftable furniture armrest according to claim 1, wherein: the width of the supporting plate (21) is smaller than that of the groove (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822192570.1U CN209750449U (en) | 2018-12-25 | 2018-12-25 | Automatic furniture handrail that goes up and down |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822192570.1U CN209750449U (en) | 2018-12-25 | 2018-12-25 | Automatic furniture handrail that goes up and down |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209750449U true CN209750449U (en) | 2019-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822192570.1U Active CN209750449U (en) | 2018-12-25 | 2018-12-25 | Automatic furniture handrail that goes up and down |
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| Country | Link |
|---|---|
| CN (1) | CN209750449U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112587013A (en) * | 2020-12-01 | 2021-04-02 | 毛燕琴 | Put tub patient bed hand washing device |
-
2018
- 2018-12-25 CN CN201822192570.1U patent/CN209750449U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112587013A (en) * | 2020-12-01 | 2021-04-02 | 毛燕琴 | Put tub patient bed hand washing device |
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