CN211118487U

CN211118487U - Angle regulator and auxiliary structure

Info

Publication number: CN211118487U
Application number: CN201921604025.7U
Authority: CN
Inventors: 黄益双
Original assignee: Lovetech Co ltd
Current assignee: Lovetech Co ltd
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-07-28
Anticipated expiration: 2029-09-25

Abstract

The utility model provides an angle regulator and auxiliary structure for the linking arm, the arm is connected with the base, angle regulator includes the connecting plate, the connecting plate has first face, the base can the different fixed position of first face with the connecting plate is fixed, the slope inequality of two at least different fixed positions departments of first face, so that the base is inequality with the contained angle of horizontal plane when different fixed positions are fixed. The utility model discloses the convenient regulation in the angle of arm.

Description

Angle regulator and auxiliary structure

Technical Field

The utility model relates to a regulator especially relates to an angle regulator and auxiliary structure.

Background

A rack is an auxiliary tool that can be mounted on different mechanisms to support the respective tools. The current supports are basically only rotatable, i.e. the position of the support in the horizontal plane can be changed, but the inclination angle of the support cannot be changed, i.e. the angle which the tool presents with the horizontal plane cannot be changed well, and therefore cannot be adjusted for a particular situation when in use.

SUMMERY OF THE UTILITY MODEL

Therefore, the present invention is necessary to provide an angle adjuster and an auxiliary structure for adjusting the angle of the arm.

The utility model provides an angle regulator for the linking arm, the arm is connected with the base, angle regulator includes the connecting plate, the connecting plate has first face, the base can the different fixed position of first face with the connecting plate is fixed, the slope inequality of two at least different fixed positions departments of first face, so that the base is inequality with the contained angle of horizontal plane when different fixed positions are fixed.

Furthermore, a strip-shaped hole is formed in the connecting plate, the connecting plate is provided with a second surface opposite to the first surface, and the locking piece sequentially penetrates through the second surface and the first surface to be connected with the base so as to fix the base on the connecting plate.

Furthermore, the first side of connecting plate is sunken to have the spout, first face is the bottom surface of spout, the base is injectd in the spout.

Further, the first surface is an arc surface.

Further, the first surface includes a plurality of surfaces which are sequentially connected from one end to the other end and have different slopes from each other.

The utility model also provides an auxiliary structure, auxiliary structure includes angle adjuster.

The utility model discloses can change the contained angle of arm for the horizontal plane well, and then can make things convenient for the inclination in the instrument of fixing on the arm to use when being favorable to different scenes.

Drawings

Fig. 1 is a schematic structural diagram of an auxiliary structure according to an embodiment.

Fig. 2 is a partial sectional view at the angle adjuster of the embodiment.

Fig. 3 is a schematic view of fig. 2 after changing the installation position.

Fig. 4 is an exploded view of the bracket of the embodiment.

Fig. 5 is a schematic structural view of the cap of the embodiment.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

The embodiment provides an auxiliary structure, which comprises an angle adjuster 10 and a bracket 20, wherein the bracket 20 comprises an arm 21, the angle adjuster 10 is used for adjusting the angle of the arm 21, the angle adjuster 10 comprises a connecting plate 11, and the connecting plate 11 is used for being fixed on other structures, such as an electric wheelchair. An operating tool, for example, a lever of an electric wheelchair may be fixed to the rotating bracket 20.

The connecting plate 11 has a first face 101 and a second face 102 opposite to the first face 101, the first face 101 has a plurality of different fixing positions, and slopes of at least two different fixing positions of the first face 101 are not equal. In this embodiment, as shown in fig. 2 and 3, the first surface 101 is an arc surface, for example, a circular arc surface, so that the slope at each fixing position is different, or the first surface 101 includes a plurality of surfaces that are sequentially connected from one end to the other end and have different slopes.

The arm 21 is connected with a base 22, the base 22 can be fixed to the connecting plate 11, specifically, the base 22 can be fixed to the connecting plate 11 at different fixing positions, and since slopes of at least two different fixing positions of the first surface 101 are not equal, when the base 22 is fixed to different fixing positions, an included angle with a horizontal plane is not equal, so that an included angle between the arm 21 and the horizontal plane is not equal, and an angle change of an operating tool fixed to the support 20 relative to the horizontal plane is realized. As shown in fig. 2 and 3, if the first surface 101 is a curved surface, the angles of the operation tools are different in installation at different positions, and if the first surfaces 101 are sequentially connected by a plurality of surfaces having different slopes, the operation tools are installed on different surfaces, and the angles of the operation tools are different.

In this embodiment, a strip-shaped hole 103 is formed in the connecting plate 11, the locking member 12 sequentially penetrates through the second surface 102 and the first surface 101 to be connected with the base 22, so as to fix the base 22 on the connecting plate 11, and the locking member 12 may include a locking screw. The first side of the connecting plate 11 is recessed with a sliding groove 111, the first surface 101 is a bottom surface of the sliding groove 111, and the base 22 is defined in the sliding groove 111, which facilitates positioning and installation of the base 22.

In this embodiment, as shown in fig. 4, the bracket 20 further includes a first wheel 23 and a second wheel 24, the arm 21 has a first end 201 and a second end 202, the first wheel 23 is disposed at the first end 201, the second wheel 24 is disposed at the second end 202, the first wheel 23 and the second wheel 24 are both rotatably connected to the arm 21, a driving belt 25 is sleeved on the first wheel 23 and the second wheel 24, the first wheel 23 and the second wheel 24 may be gears, and the driving belt 25 may be a belt. The wheel body 232 of the first wheel 23 is fixed to the base 22, and the mounting plate 26 is fixed to the second wheel 24.

The mounting plate 26 may be oriented in a predetermined direction, such as directly forward. The arm 21 is rotated clockwise (same as counterclockwise), since the first wheel 23 is fixed, the arm 21 rotates relative to the first wheel 23, that is, the second end 202 can rotate relative to the first wheel 23, during the rotation, the transmission belt 25 rotates clockwise along with the arm 21, the transmission belt 25 rotates clockwise relative to the first wheel 23, the second wheel 24 rotates counterclockwise under the action of the transmission belt 25, and since the second wheel 24 is transmitted by the transmission belt 25, the mounting plate 26 always faces a set direction, for example, always faces the right front direction during the rotation.

The support 20 further comprises a controller 26, and the controller 26 is configured to control whether the arm 21 and the first wheel 23 rotate relatively.

Specifically, the controller 26 includes a button 261, a stop piece 262 and a core 263, the stop piece 262 and the arm 21 are fixed, the core 263 is provided with a first clamping portion 2631, the stop piece 262 is provided with a second clamping portion 2621, the first wheel 23 is provided with a third clamping portion 231, in this embodiment, the first wheel 23 includes a wheel body 232 and the base 22, the wheel body 232 is fixed with the base 22, the third clamping portion 231 is disposed on the base 22, the wheel body 232 is provided with an axial through hole 2321, and the base 22 is inserted into the through hole 2321. The first clamping portion 2631, the second clamping portion 2621 and the third clamping portion 231 may be latch structures.

The button 261 can for first wheel 23 moves at first position and second position, when the button 261 is located the first position, first joint portion 2631 with second joint portion 2621 breaks away from, makes the arm 21 can be relative first wheel 23 rotates, when the button 261 is located the second position, first joint portion 2631 simultaneously with second joint portion 2621 with third joint portion 231 joint makes the arm 21 is relative first wheel 23 is fixed.

In this embodiment, a cap 264 is fixed to the arm 21, the cap 264 is located at the top of the arm 21, the button 261 is rotatably accommodated in the cap 264, a plurality of pins 2611 are formed on the button 261, a spring 265 is connected to the slug 263, when the button 261 is pressed, the spring 265 is pressed, and the spring 265 can provide an elastic force to the slug 263 in a direction opposite to the pressing direction.

A plurality of first ratchet teeth 2641 are circumferentially distributed at a first end of the inner side surface of the cap 264, second ratchet teeth 2642 with the same number as the first ratchet teeth 2641 are circumferentially distributed at a second end of the inner side surface of the cap 264, the first end is a top end, namely, one end close to the first wheel 23, and the second end is a bottom end, namely, one end far away from the first wheel 23. The first ratchet 2641 and the second ratchet 2642 are opposite to each other in a shifted manner, a locking groove 2643 is formed between the first ratchet 2641 and the second ratchet 2642, and the locking pin 2611 is received in the locking groove 2643 and can slide in the locking groove 2643.

The first ratchet 2641 includes a first inclined surface 410 inclined in a direction away from the second ratchet 2642 in a rotation direction of the button 261, the second ratchet 2642 includes a second inclined surface 411 inclined in a direction away from the first ratchet 2641 in the rotation direction of the knob, and the first inclined surface 410 and the second inclined surface 411 are guide surfaces. Two of the first ratchet teeth 2641 form a groove 413 therebetween, and the depth of two adjacent grooves 413 is different, that is, the distance from the groove bottom of two adjacent grooves 413 to the top of the cap 264 is different, and the depth of two spaced grooves 413 is the same.

The pin 2611 is confined in a groove 413 between two first ratchet teeth 2641, the depth of the groove 413 being small, and when the button 261 is in the first position, the arm 21 is rotatable relative to the first wheel 23. When the button 261 is pressed, the button 261 moves vertically downwards, the pin 2611 contacts the second inclined surface 411 and then moves clockwise and downwards along the second inclined surface 411, when the corresponding position below the first inclined surface 410 is reached, the button 261 is released, the spring 265 resets, the button 261 moves vertically upwards, after the pin contacts the first inclined surface 410, the pin 2611 further moves along the first inclined surface 410 until the pin is limited in the grooves 413 of the other two first ratchet teeth 2641 under the continuous action of the reset spring 265, the button 261 is at the second position, the arm 21 is fixed relative to the first wheel 23, the movement from the second position to the first position is the same, and the description is omitted, so that the position of the button 261 is convenient to change and fix.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention should be included in the present invention.

Claims

1. The utility model provides an angle regulator for the linking arm, the arm is connected with the base, its characterized in that, angle regulator includes the connecting plate, the connecting plate has first face, the base can the different fixed position of first face with the connecting plate is fixed, the slope inequality of two at least different fixed positions departments of first face, so that the base is inequality with the contained angle of horizontal plane when different fixed positions are fixed.

2. The angle adjuster as claimed in claim 1, wherein the connecting plate has a strip-shaped aperture formed therein, the connecting plate has a second face opposite to the first face, and a retaining member is connected to the base through the second face and the first face in sequence to secure the base to the connecting plate.

3. An angle adjuster according to claim 1 or 2, wherein the first side of the connecting plate is recessed with a slide groove, the first face being a bottom face of the slide groove, the base being defined in the slide groove.

4. An angle adjuster according to claim 1 or 2, wherein the first face is an arcuate face.

5. An angle adjuster according to claim 1 or 2, wherein the first face comprises a plurality of faces which are connected in series from one end to the other end and have slopes different from each other.

6. An auxiliary structure, characterized in that it comprises an angle adjuster according to any one of claims 1-5.