CN218992994U

CN218992994U - Rotary folding bracket

Info

Publication number: CN218992994U
Application number: CN202223299489.6U
Authority: CN
Inventors: 蔡军
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-05-09
Anticipated expiration: 2032-12-09

Abstract

The utility model provides a rotary folding bracket, which comprises a folding bracket, and a supporting seat and a base which are respectively connected with the upper end and the lower end of the folding bracket, wherein the supporting seat comprises a first left supporting part and a first right supporting part which can be opened and closed in an X shape, and the base comprises a second left supporting part and a second right supporting part which can be opened and closed in an X shape; the folding bracket comprises at least three rotating joints, each rotating joint can hover at any position, and two rotating joints are suitable for being respectively connected with the supporting seat and the base, and the supporting seat and the base can rotate relative to the rotating joints. According to the folding bracket, the supporting seat and the base which can be opened and closed in an X-shaped mode are arranged, so that the folding bracket is compact in structure and small in occupied space when folded and stored, and the supporting seat and the base are large in supporting area and good in stability when unfolded and used.

Description

Rotary folding bracket

Technical Field

The utility model belongs to the technical field of brackets, and particularly relates to a rotary folding bracket.

Background

The chinese patent of present application No. CN201922005824.9 discloses a rotatory folding support, including support, folding link assembly, be used for supporting the support piece of electronic product, folding link assembly upper and lower both ends are connected with support piece and support respectively, folding link assembly includes collapsible swing joint's first connecting rod and second connecting rod, first connecting rod and support pass through first connection structure rotationally to be connected, the second connecting rod passes through second connection structure with support piece to be connected, the connection between two connecting rods is interconnected through third connection structure, every connection structure is constructed to enable each connecting portion fastening at predetermined folding angle. The above scheme has the following limitations: 1. the support and the support are not foldable and irregular in shape, and the rotary folding bracket has larger size after being folded and can not be placed in a stacking way; 2. the support member has poor adaptability to different electronic products, and the clamping arms are used for fixing the support member, so that the contradiction exists between the reduction of the product size and the fixation of electronic products with larger sizes, such as notebook computers.

Disclosure of Invention

In view of the foregoing drawbacks of the prior art, an object of the present utility model is to provide a rotary folding bracket to meet the needs of users.

In order to achieve the above purpose, the utility model provides a rotary folding bracket, which comprises a folding bracket, a supporting seat and a base, wherein the supporting seat and the base are respectively connected with the upper end and the lower end of the folding bracket, the supporting seat comprises a first left supporting part and a first right supporting part which can be opened and closed in an X shape, and the base comprises a second left supporting part and a second right supporting part which can be opened and closed in an X shape; the folding bracket comprises at least three rotating joints, each rotating joint can hover at any position, and two rotating joints are suitable for being respectively connected with the supporting seat and the base, and the supporting seat and the base can rotate relative to the rotating joints.

As a preferred option: the first left support part and the first right support part are respectively provided with an extension part in a sliding way, one end of the extension part can slide to the outer side of the first left support part/the first right support part,

and/or the first left supporting part and the first right supporting part are respectively provided with a resisting part in a rotating way, and the resisting part can be overturned to be vertical relative to the first left supporting part/the first right supporting part.

As a preferred option: the first left support part and the first right support part are respectively provided with a sliding area, an extension groove is formed in the sliding area, the extension part is in sliding fit with the extension groove, and the extension part is kept flush with the first left support part/the first right support part on a horizontal plane.

As a preferred option: the first left support part and the first right support part are respectively provided with a resisting groove suitable for accommodating the resisting part, the resisting part comprises a rotating part and a turning part, the turning part is hinged with the rotating part, and the turning part can drive the turning part to rotate in the resisting groove.

As a preferred option: the rotating part comprises a rotating groove and a second limiting column, a rotating shaft suitable for being matched with the rotating groove and a third limiting groove suitable for being matched with the second limiting column are arranged in the resisting groove, the third limiting groove is correspondingly provided with a third central angle, and the degree of the third central angle is between 30 degrees and 60 degrees.

As a preferred option: one end of the resisting groove adjacent to the overturning part is provided with an operation area which is convenient for holding the overturning part.

As a preferred option: the extension part and the resisting part are respectively arranged at the two longitudinal ends of the first left supporting part and the first right supporting part.

As a preferred option: the folding bracket comprises a first rotating rod, a second rotating rod and three rotating joints, wherein the rotating joints comprise a first joint, a second joint and a third joint which is suitable for connecting the first rotating rod and the second rotating rod, the first joint is fixedly connected with a first rotating seat which is suitable for being in rotary fit with a supporting seat, and the second joint is fixedly connected with a second rotating seat which is suitable for being in rotary fit with a base.

As a preferred option: the middle of the second rotating rod is provided with an avoidance groove, when the folding support is completely folded, the first rotating rod is contained in the avoidance groove, and the size of the folded rotating support is further reduced.

As a preferred option: each rotary joint comprises a rotary shaft, a first rotary unit and a second rotary unit, wherein the first rotary unit and the second rotary unit are hinged to the rotary shaft, a first damping piece is arranged between the first rotary unit and the second rotary unit along the rotary direction, a second damping piece is arranged between the rotary shaft and the first rotary unit/the second rotary unit along the rotary direction, damping is provided for the first damping piece and the second damping piece in the rotary process of the rotary joint, the rotary joint can hover at any angle, and a buffering elastic piece is abutted between the rotary shaft and the second damping piece.

As a preferred option: the first left support part comprises a first left opening and closing groove which is opened upwards, the first right support part comprises a first right opening and closing groove which is opened downwards, the first left opening and closing groove and the first right opening and closing groove are oppositely arranged to form a first rotating area, the first rotating area is pivoted with the first rotating seat, and the upper side and the lower side of the first left support part are kept flush with each other.

As a preferred option: the first left opening and closing groove is provided with a first limit groove, the first right opening and closing groove is provided with a second limit groove, and the first rotating seat comprises a first limit column;

when the first left supporting part and the first right supporting part are folded, the first limit groove and the second limit groove are aligned; when the first left supporting part and the first right supporting part are unfolded to be limited, the first limiting groove and the second limiting groove are staggered, and one ends of the first limiting groove and the second limiting groove are respectively in butt fit with the first limiting column.

As a preferred option: the first limiting groove is correspondingly provided with a first central angle, the second limiting groove is correspondingly provided with a second central angle, the degree of the first central angle is the same as that of the second central angle, and the degree of the first central angle is between 45 degrees and 90 degrees.

As a preferred option: the second left support part comprises a second left opening and closing groove which is downwards opened, the second right support part comprises a second right opening and closing groove which is upwards opened, the second left opening and closing groove and the second right opening and closing groove are oppositely arranged to form a second rotation area, the second rotation area is pivoted with the second rotation seat, and the upper side and the lower side of the second left support part are kept flush with each other.

As a preferred option: the first left open-close groove and the first right open-close groove are embedded with the first damping ring, the second left open-close groove and the second right open-close groove are embedded with the second damping ring, the first damping ring and the second damping ring are suitable for increasing friction force feeling during rotation, and simultaneously, the support seat and the base are facilitated to be stagnated at a proper open angle.

As a preferred option: the upper surface of second left side supporting part includes a plurality of independent pearl grooves, and the pearl groove is arranged into circumference form, and the second rotates the seat and includes telescopic ball, and the ball can be followed the rotation of second and rotated the seat and block into its pearl groove in proper order.

As a preferred option: the second rotates and has offered the flexible inslot in the seat, and flexible inslot receipts has the spring, and spring one end and flexible inslot butt cooperation, the other end and the ball of spring are connected, and flexible inslot can also restrict the spring and take place non-axial deformation, plays the effect of direction at the flexible in-process of spring.

The beneficial effects of the utility model are as follows:

1. through setting up supporting seat and the base that can be X type and open and shut at folding support's both ends for this folding support is folding and draws in into a style of calligraphy, compact structure, and occupation space is little, portable, and supporting seat and base expand when using, and area of support is big, and stability is good.

2. The support area of the support seat can be further extended by arranging the extension part on the support seat so as to adapt to electronic products with different sizes; through setting up the department of resisting in the supporting seat upset, can prevent that the electronic product from the supporting seat landing when the supporting seat slope sets up, guarantee safe in utilization.

3. Through setting up sliding region and keeping out the groove and accept extension and keeping out the portion respectively, fold when accomodating, be convenient for hide extension and keeping out the portion for the upper surface of supporting seat keeps the parallel and level, can pile up a plurality of this rotatory folding support, is favorable to saving packaging space, reduces cost of transportation.

4. Through setting up at least three revolute joints that can hover at arbitrary angle at folding support for the user both can adjust the height of support, also can adjust the support for user's distance, and accommodation is wide, and the regulation precision is high, is applicable to the user of different heights, also is applicable to multiple gesture such as standing gesture or position of sitting.

Drawings

Fig. 1 is a schematic structural view of a rotary folding bracket provided by the utility model.

Fig. 2 is a schematic cross-sectional view of a rotary folding bracket according to the present utility model.

Fig. 3 is a schematic structural view of a first left supporting portion provided by the present utility model.

Fig. 4 is a schematic structural view of a first right supporting portion provided by the present utility model.

Fig. 5 is a schematic structural view of a retaining portion according to the present utility model.

Fig. 6 is a schematic structural view of a second left supporting portion provided by the present utility model.

Fig. 7 is a schematic cross-sectional view of a second joint and a second rotating seat according to the present utility model.

Fig. 8 is an enlarged schematic view of the area a in fig. 7.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be described in detail with reference to the accompanying drawings and specific embodiments.

It should be noted that, in order to avoid obscuring the present utility model due to unnecessary details, only structures and/or processing steps closely related to aspects of the present utility model are shown in the drawings, and other details not greatly related to the present utility model are omitted.

In addition, it should be further noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

As shown in fig. 1 to 7, a rotary folding bracket includes a folding bracket 200, and a supporting base 100 and a base 300 respectively connected to upper and lower ends of the folding bracket 200, wherein the supporting base 100 includes a first left supporting portion 101 and a first right supporting portion 102 that can be opened and closed in an X-shape, and the base 300 includes a second left supporting portion 301 and a second right supporting portion 302 that can be opened and closed in an X-shape; the folding bracket 200 includes at least three rotational joints 201, each rotational joint 201 being capable of hovering at any position, and two rotational joints 201 being adapted to connect the support base 100 and the base 300, respectively, the support base 100 and the base 300 being rotatable relative to the rotational joints 201.

In this embodiment, one end of the same side of the first left supporting portion 101 and the first right supporting portion 102 is respectively formed with a sliding region 107, an extension groove 109 is formed in the sliding region 107, an extension portion 103 is slidably disposed in the extension groove 109, and one end of the extension portion 103 can slide to the outer side of the first left supporting portion 101/the first right supporting portion 102, so as to adapt to electronic products with different sizes, such as mobile phones, tablet computers, notebook computers, etc. The other end of the same side of the first left supporting part 101 and the first right supporting part 102 is provided with a resisting groove 108 which is suitable for accommodating the resisting part 104, the resisting part 104 comprises a rotating part 106 and a turning part 105, the rotating part 106 comprises a rotating groove 111 and a second limiting column 113, a rotating shaft 112 which is suitable for being matched with the rotating groove 111 and a third limiting groove 114 which is suitable for being matched with the second limiting column 113 are arranged in the resisting groove 108, the third limiting groove 114 corresponds to a third central angle, and the degree of the third central angle is 30 degrees. The turnover part 105 is hinged to the rotating part 106, and an operation area 110 which is convenient for holding the turnover part 105 is arranged at one end of the resisting groove 108 adjacent to the turnover part 105, and the turnover part 105 can be turned to be vertical relative to the first left support part 101/the first right support part 102, so that the electronic product is prevented from sliding off the support 100 when the support 100 is obliquely arranged, and the use safety is ensured. The first left support portion 101 and the first right support portion 102 include an anti-slip rubber pad 115, and the anti-slip rubber pad 115 is disposed adjacent to the operation region 110.

Further, the extension part 103 and the resisting part 104 are respectively kept flush with the first left supporting part 101/the first right supporting part 102 on the horizontal plane, and when the folding and storage are carried out, the extension part 103 and the resisting part 104 can be hidden, so that the stacking and the placement are convenient, and the occupied space is small.

In this embodiment, the folding bracket includes a first rotating rod 205, a second rotating rod 206 and three rotating joints 201, where the three rotating joints 201 are a first joint 202, a second joint 203 and a third joint 204 adapted to connect the first rotating rod 205 and the second rotating rod 206, and an avoidance slot 207 is disposed in the middle of the second rotating rod 206, and when the folding bracket 200 is completely folded, the first rotating rod 205 is accommodated in the avoidance slot 207, so that the size of the folded rotating folding bracket is further reduced.

In this embodiment, as shown in fig. 8, each rotary joint 201 includes a joint rotation shaft 214, a first rotation unit and a second rotation unit hinged to the joint rotation shaft 214, wherein a first damping sheet 215 is disposed between the first rotation unit and the second rotation unit along a rotation direction, a second damping sheet 217 is disposed between the joint rotation shaft 214 and the first rotation unit/the second rotation unit along a rotation direction, and the first damping sheet 215 and the second damping sheet 217 provide damping during rotation of the rotary joint 201, so that the rotary joint 201 can hover at any angle, and a buffer elastic sheet 216 is abutted between the joint rotation shaft 214 and the second damping sheet 217.

Specifically, in the first joint 202, the first rotating unit is a first rotating rod 205, the second rotating unit is a first fixing base 218, and the first fixing base 218 is fixedly connected to the first rotating base 208 adapted to be rotationally matched with the supporting base 100. In the second joint 203, the first rotating unit is a second rotating rod 206, the second rotating unit is a second fixing base 219, and the second fixing base 219 is fixedly connected with a second rotating base 209 adapted to be rotationally matched with the base 300.

In this embodiment, the first left supporting portion 101 includes a first left opening and closing groove 116 that is opened upwards, the first right supporting portion 102 includes a first right opening and closing groove 117 that is opened downwards, the first left opening and closing groove 116 and the first right opening and closing groove 117 are disposed opposite to each other to form a first rotating area, the first rotating area is pivoted to the first rotating seat 208, and the upper and lower sides of the first left supporting portion 101 and the first right supporting portion 102 are kept flush. The first left opening and closing groove 116 is formed with a first limiting groove 118, the first right opening and closing groove 117 is formed with a second limiting groove 119, and the first rotating seat 208 includes a first limiting post 210. The first limiting groove 118 corresponds to a first central angle, the second limiting groove 119 corresponds to a second central angle, the degree of the first central angle is the same as the degree of the second central angle, and the degree of the first central angle is 60 degrees.

When the first left supporting portion 101 and the first right supporting portion 102 are folded to form a straight shape, the first limiting groove 118 and the second limiting groove 119 are aligned; when the first left supporting portion 101 and the first right supporting portion 102 are unfolded to the limit, the first limiting groove 118 and the second limiting groove 119 are staggered, and one ends of the first limiting groove 118 and the second limiting groove 119 are respectively in butt fit with the first limiting post 210.

In this embodiment, the second left supporting portion 301 includes a second left opening and closing groove 303 that is opened downward, the second right supporting portion 302 includes a second right opening and closing groove 304 that is opened upward, the second left opening and closing groove 303 and the second right opening and closing groove 304 are disposed opposite to each other to form a second rotating area, the second rotating area is pivoted to the second rotating seat 209, and the upper and lower sides of the second left supporting portion 301 and the second right supporting portion 302 are kept flush. Further, a first damping ring 120 is embedded between the first left opening and closing groove 118 and the first right opening and closing groove 119, a second damping ring 306 is embedded between the second left opening and closing groove 303 and the second right opening and closing groove 304, and the first damping ring 120 and the second damping ring 306 are suitable for increasing friction force during rotation, and are beneficial to the stagnation of the supporting seat 100 and the base 300 at a proper opening angle.

In this embodiment, the upper surface of the second left supporting portion 301 includes a plurality of independent bead grooves 305, the bead grooves 305 are arranged in a circumferential shape, a telescopic groove 212 is formed in the second rotating seat 209, a spring 213 is accommodated in the telescopic groove 212, one end of the spring 213 is in abutting engagement with the telescopic groove 212, the other end of the spring 213 is connected with a ball 211, the ball 211 can be sequentially clamped into one of the bead grooves 305 along with the rotation of the second rotating seat 209, and the telescopic groove 212 can also limit the spring 213 to deform in a non-axial direction, so that the spring 213 plays a guiding role in the telescopic process.

When the embodiment is used, a user can adjust the support width by adjusting the unfolding angle of the support base 100 and the extension length of the extension part 103, and the adjustment range of the support width is between 60mm and 256 mm. The user can adjust the supporting height and the front-rear distance with respect to the user by adjusting the size of the angle between the first and second

rotating levers

205 and 206. The first rotating rod 205 and the second rotating rod 206 may be in an upright state or in a folded state, that is, the first rotating rod 205 is accommodated in the avoiding groove 207, and the adjustment range of the supporting height is between 50mm and 300 mm. The user can adjust the angle of the support base 100 relative to the user through the first joint 202, and the support base 100 can be in a horizontal state, a forward depression state or a backward tilting state. The user can adjust the angle of the base 300 with respect to the user through the second joint 203, and when the table surface area supporting the rotating folding bracket is limited, the base 300 can obtain a larger supporting area as much as possible by rotating the base 300, so that the support is kept stable. Therefore, the whole rotary folding bracket can be adjusted in a three-dimensional all-dimensional, wide-angle and large-scale range, and can be completely suitable for various complex scenes.

The above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model.

Claims

1. A rotary folding bracket, which comprises a folding bracket, a supporting seat and a base which are respectively connected with the upper end and the lower end of the folding bracket, and is characterized in that,

the support seat comprises a first left support part and a first right support part which can be opened and closed in an X shape, and the base comprises a second left support part and a second right support part which can be opened and closed in an X shape;

the folding bracket comprises at least three rotating joints, each rotating joint can hover at any position, two rotating joints are suitable for being respectively connected with the supporting seat and the base, and the supporting seat and the base can rotate relative to the rotating joints.

2. A rotary folding bracket as claimed in claim 1, wherein,

the first left support part and the first right support part are respectively provided with an extension part in a sliding way, one end of the extension part can slide to the outer side of the first left support part/the first right support part,

and/or the first left support part and the first right support part are respectively provided with a resisting part in a rotating way, and the resisting part can be turned over to be vertical relative to the first left support part/the first right support part.

3. The rotating and folding bracket as in claim 2, wherein the first left support portion and the first right support portion are each formed with a sliding region, wherein an extension groove is formed in the sliding region, wherein the extension portion is slidably engaged with the extension groove, and wherein the extension portion is flush with the first left support portion/the first right support portion in a horizontal plane.

4. The rotating and folding bracket as set forth in claim 2, wherein the first left support portion and the first right support portion are each formed with a catching groove adapted to receive the catching portion, the catching portion including a rotating portion and a turning portion, the turning portion being hinged to the rotating portion, the rotating portion being capable of driving the turning portion to rotate in the catching groove.

5. The rotating and folding bracket as in any one of claims 1-4, wherein the folding bracket includes a first rotating lever, a second rotating lever, and three rotating joints, the rotating joints including a first joint, a second joint, and a third joint adapted to connect the first rotating lever and the second rotating lever, the first joint being fixedly connected with a first rotating seat adapted to rotatably engage the support seat, and the second joint being fixedly connected with a second rotating seat adapted to rotatably engage the base seat.

6. The rotary folding bracket as claimed in claim 5, wherein the first left support portion includes a first left opening and closing groove that opens upward, the first right support portion includes a first right opening and closing groove that opens downward, the first left opening and closing groove and the first right opening and closing groove are disposed opposite to each other to form a first rotation area, the first rotation area is pivoted with the first rotation seat, and the first left support portion is flush with both upper and lower sides of the first right support portion.

7. The rotating and folding bracket as in claim 6, wherein the first left opening and closing slot is formed with a first limit slot, the first right opening and closing slot is formed with a second limit slot, and the first rotating seat comprises a first limit post;

when the first left supporting part and the first right supporting part are folded, the first limit groove and the second limit groove are aligned; when the first left supporting part and the first right supporting part are unfolded to the limit, the first limiting groove and the second limiting groove are staggered, and one ends of the first limiting groove and the second limiting groove are respectively in butt fit with the first limiting column.

8. The rotating and folding bracket as in claim 7, wherein the first limiting groove corresponds to a first central angle, the second limiting groove corresponds to a second central angle, the first central angle has the same degree as the second central angle, and the first central angle has a degree between 45 ° and 90 °.

9. The rotary folding bracket as claimed in claim 5, wherein the second left support portion includes a second left opening and closing groove that opens downward, the second right support portion includes a second right opening and closing groove that opens upward, the second left opening and closing groove and the second right opening and closing groove are disposed opposite to each other to form a second rotation area, the second rotation area is pivoted with the second rotation seat, and the upper and lower sides of the second left support portion and the upper and lower sides of the second right support portion are all kept flush.

10. The rotating and folding bracket as set forth in claim 9, wherein the upper surface of the second left supporting portion includes a plurality of independent bead grooves, the bead grooves being arranged in a circumferential shape, the second rotating seat including retractable balls which are sequentially caught in one of the bead grooves by rotation of the second rotating seat.