CN113339675A

CN113339675A - Foldable universal mechanical structure

Info

Publication number: CN113339675A
Application number: CN202110684413.6A
Authority: CN
Inventors: 张玉华
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2021-09-03
Anticipated expiration: 2041-06-21
Also published as: CN113339675B

Abstract

The invention relates to the technical field of mechanical structures, in particular to a foldable universal mechanical structure which comprises at least two tripods, wherein two side surfaces of three corners of each tripod are respectively provided with a lifting rod piece and a lapping rod piece, the lifting rod piece rotates in a plane where one side connected with the tripod is located, one end of each lapping rod piece is movably connected with the tripod, the other end of each lapping rod piece is rotatably connected to the surface of the lifting rod piece at the other corner of the tripod, and the end parts of the lifting rod pieces on two adjacent tripods are movably connected through a rotating part.

Description

Foldable universal mechanical structure

Technical Field

The invention relates to the technical field of mechanical structures, in particular to a foldable universal mechanical structure.

Background

The existing universal mechanism is inconvenient to turn and adjust the height, is not beneficial to adjusting the supporting height and the angle in a narrow space, and is difficult to fold and transport in the whole structure.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a foldable universal mechanical structure.

In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: collapsible universal mechanical structure, including quantity be no less than two tripods, the both sides face of the three corner of tripod is provided with lifter bar and overlap joint member respectively, lifter bar is at the in-plane rotation that one side that is connected with the tripod is located, swing joint between one end and the tripod of overlap joint member, and the other end of overlap joint member rotates the surface of connecting the lifter bar of another corner of tripod in addition, through the swing joint portion swing joint that rotates between the tip of the lifter bar on two adjacent tripods.

Preferably, the lifting rod pieces and the lap joint rod pieces on the tripod positioned at the uppermost and lower positions are arranged into one group or two groups which are vertically symmetrical, and the lifting rod pieces and the lap joint rod pieces on each of the rest tripods are arranged into two groups which are vertically symmetrical.

Preferably, the lifting rod piece comprises a first motor, a first threaded rod and a first sleeve, wherein the end part of the first motor is rotatably connected to the corner of the tripod, the first threaded rod is connected to the output shaft end of the first motor, the first sleeve is sleeved on the outer surface of the first threaded rod, and the first sleeve is in threaded fit with the first threaded rod.

Preferably, the overlap joint member includes fixed mounting at the tripod corner and adjacent to the second motor of first motor one side, swing joint at the second motor output shaft end the second threaded rod, the suit at the second threaded rod surface the second sleeve, screw-thread fit between second sleeve and the second threaded rod, the telescopic tip of second and the tripod of another corner first sleeve surface rotation connection.

Preferably, the end part of the second sleeve is fixedly connected with a lantern ring, the outer surface of the first sleeve extends out of the connecting shaft, the lantern ring is sleeved on the outer surface of the connecting shaft, and the lantern ring and the connecting shaft are rotatably connected.

Preferably, the output shaft of the second motor is movably connected with the second threaded rod through a universal joint.

Preferably, the rotation connection part comprises a connecting gear fixedly connected to one end, far away from the first motor, of the two first sleeves, two side plates symmetrically arranged on two sides of the connecting gear, and two fixing shafts fixedly connected between the two side plates, the fixing shafts penetrate through the inner sides of the two connecting gears respectively, and the connecting gear is rotatably connected with the fixing shafts in a two-way mode.

Preferably, the one end fixedly connected with connection pad that first threaded rod was kept away from to first motor, the surface of tripod is provided with the pivot, the connection pad rotates the suit and is in the surface of pivot.

Compared with the prior art, the invention has the following beneficial effects:

1. the invention can flexibly change the angle and the height of the support, can be contracted and folded to facilitate storage and transportation, and brings convenience.

2. According to the invention, the second motor drives the second threaded rod to rotate, so that the overall length of the second sleeve and the second threaded rod is changed, the first motor is driven to rotate by taking the rotating shaft as the shaft, the inclination angle between the vertically adjacent tripods is changed, the first threaded rod is driven to rotate by controlling the first motor to rotate, and the overall length of the first threaded rod and the first sleeve is further changed, so that the distance between a certain corner of the vertically adjacent tripods is changed, and the purpose of adjusting the height is achieved.

Drawings

FIG. 1 is a schematic structural diagram of a foldable gimbal mechanism of the present invention;

FIG. 2 is a sectional view of the lifting rod of the foldable gimbal mechanism of the present invention;

FIG. 3 is an enlarged view of the foldable gimbal mechanism of the present invention at A in FIG. 2;

fig. 4 is a partial structural schematic diagram of the foldable gimbal mechanism of the present invention.

In the figure: 1. a tripod; 2. lifting the rod; 21. a first sleeve; 22. a first threaded rod; 23. a first motor; 24. a connecting disc; 25. a rotating shaft; 3. lapping the rod pieces; 31. a second sleeve; 32. a second threaded rod; 33. a universal joint; 34. a second motor; 35. a connecting shaft; 4. a rotation connection part; 41. a side plate; 42. a connecting gear; 43. and fixing the shaft.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

The foldable universal mechanical structure shown in fig. 1-4 comprises at least two tripods 1, two sides of three corners of each tripod 1 are respectively provided with a lifting rod piece 2 and a lapping rod piece 3, the lifting rod piece 2 rotates in a plane where one side connected with the tripod 1 is located, one end of the lapping rod piece 3 is movably connected with the tripod 1, the other end of the lapping rod piece 3 is rotatably connected to the surface of the lifting rod piece 2 at the other corner of the tripod 1, and the end parts of the lifting rod pieces 2 on two adjacent tripods 1 are movably connected through a rotating connection part 4.

The lifting rod pieces 2 and the lap joint rod pieces 3 on the tripod 1 at the uppermost and lower position are set into one group or two groups which are symmetrical up and down, the lifting rod pieces 2 and the lap joint rod pieces 3 on the rest of the tripod 1 are set into two groups which are symmetrical up and down, and the two groups which are symmetrically arranged on the tripod 1 at the middle position are used for ensuring the connection between the adjacent tripods 1.

The lifting rod piece 2 comprises a first motor 23 connected to the corner of the tripod 1 in a rotating mode at the end part, a first threaded rod 22 connected to the output shaft end of the first motor 23, a first sleeve 21 sleeved on the outer surface of the first threaded rod 22, the first sleeve 21 is in threaded fit with the first threaded rod 22, the first motor 23 drives the first threaded rod 22 to rotate, and therefore the total length of the first sleeve 21 and the first threaded rod 22 is changed.

The lapping rod 3 comprises a second motor 34 fixedly installed at the corner of the tripod 1 and adjacent to one side of the first motor 23, a second threaded rod 32 movably connected to the output shaft end of the second motor 34, a second sleeve 31 sleeved on the outer surface of the second threaded rod 32, the second sleeve 31 is in threaded fit with the second threaded rod 32, the end of the second sleeve 31 is rotatably connected with the outer surface of the first sleeve 21 at the other corner of the tripod 1, the second motor 34 drives the second threaded rod 32 to rotate, and therefore the total length of the second sleeve 31 and the second threaded rod 32 is changed.

The end fixedly connected with lantern ring of second sleeve 31, connecting axle 35 extends out of the surface of first sleeve 21, and the lantern ring suit is connected at the surface of connecting axle 35 and both rotate, ensures not to influence the change that first motor 23 rotated, second sleeve 31 and the whole length of second threaded rod 32.

The output shaft of the second motor 34 is movably connected with the second threaded rod 32 through the universal joint 33, so that the driving of the second motor 34 on the second threaded rod 32 is not influenced, and the change of the angle of the second threaded rod 32 is also not influenced.

The rotating connection part 4 comprises a connecting gear 42 fixedly connected to one end of each of the two first sleeves 21 far away from the first motor 23, two side plates 41 symmetrically arranged on two sides of the connecting gear 42, two fixing shafts 43 fixedly connected between the two side plates 41, the two fixing shafts 43 penetrate through the inner sides of the two connecting gears 42 respectively, the connecting gear 42 and the fixing shafts 43 are rotatably connected, the two connecting gears 42 are meshed with each other, the two first sleeves 21 can be rotatably connected, and under the non-operating state of the first motor 23 and the second motor 34, under the action of the three groups of first sleeves 21, the joint of each group of first sleeves 21 can be kept relatively stable.

One end fixedly connected with connection pad 24 that first motor 23 kept away from first threaded rod 22, the surface of tripod 1 is provided with pivot 25, and connection pad 24 rotates the suit and is in the surface of pivot 25, ensures that first motor 23, first threaded rod 22 can be at one side plane internal rotation of tripod 1.

The invention can flexibly change the angle and height of the support, can be contracted and folded for convenient storage and transportation and brings convenience, the invention drives the second threaded rod 32 to rotate through the second motor 34, so that the integral length of the second sleeve 31 and the second threaded rod 32 is changed, and the first motor 23 is driven to rotate by taking the rotating shaft 25 as the shaft, therefore, the inclination angle between the vertically adjacent tripods 1 is changed, the first threaded rod 22 rotates through controlling the rotation of the first motor 23, and further the integral length of the first threaded rod 22 and the first sleeve 21 is changed, so that the distance between a certain corner of the vertically adjacent tripods 1 is changed, the purpose of adjusting the height is achieved, and in the rotating process of the second motor 34 and the first motor 23, because the first sleeve 21 is connected through the rotating part 4, the two connecting gears 42 ensure the relative rotation between the first sleeve 21, the inclination or the extension of the whole structure is not influenced, and the purposes of universal adjustment and height adjustment are achieved.

In the present invention, the terms "mounting," "connecting," "fixing," and the like are used in a broad sense, for example, "connecting" may be a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description herein, the appearances of the phrases "one embodiment," "some embodiments," "a specific embodiment," or the like, in various places throughout this specification are not necessarily all referring to the same embodiment or example, but rather to the same embodiment or example. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Collapsible universal mechanical structure, its characterized in that: tripod (1) of two are no less than including quantity, the both sides face of the three corner of tripod (1) is provided with lift member (2) and overlap joint member (3) respectively, lift member (2) are at the in-plane rotation that is located of one side that is connected with tripod (1), swing joint between one end and tripod (1) of overlap joint member (3), and the other end of overlap joint member (3) rotates the surface of connecting lift member (2) of another corner of tripod (1) in addition, through rotating connecting portion (4) swing joint between the tip of lift member (2) on two adjacent tripods (1).

2. The collapsible gimbal mechanism of claim 1, wherein: the lifting rod pieces (2) and the lap joint rod pieces (3) on the tripod (1) positioned at the uppermost and lower positions are arranged into one group or two groups which are symmetrical up and down, and the lifting rod pieces (2) and the lap joint rod pieces (3) on each of the rest tripods (1) are arranged into two groups which are symmetrical up and down.

3. The collapsible gimbal mechanism of claim 1, wherein: lift member (2) include that the tip rotates first motor (23) of connection in tripod (1) corner, connect first threaded rod (22) at first motor (23) output shaft end, suit is at first sleeve (21) of first threaded rod (22) surface, screw-thread fit between first sleeve (21) and first threaded rod (22).

4. The foldable gimbal mechanism of claim 3, wherein: overlap joint member (3) including fixed mounting in tripod (1) corner and adjacent to second motor (34) of first motor (23) one side, swing joint at second motor (34) output shaft end second threaded rod (32), suit at second threaded rod (32) second sleeve (31) of surface, screw-thread fit between second sleeve (31) and second threaded rod (32), the tip of second sleeve (31) is connected with the first sleeve (21) surface rotation of tripod (1) another corner.

5. The collapsible gimbal mechanism of claim 4, wherein: the end part of the second sleeve (31) is fixedly connected with a lantern ring, a connecting shaft (35) extends out of the outer surface of the first sleeve (21), and the lantern ring is sleeved on the outer surface of the connecting shaft (35) and is rotatably connected with the outer surface of the connecting shaft and the connecting shaft.

6. The collapsible gimbal mechanism of claim 4, wherein: the output shaft of the second motor (34) is movably connected with the second threaded rod (32) through a universal joint (33).

7. The foldable gimbal mechanism of claim 3, wherein: connect portion (4) including connecting gear (42), the symmetry setting of keeping away from first motor (23) one end at two first sleeve (21) respectively and two fixed axle (43) between two curb plate (41) of curb plate (41), fixed connection of connecting gear (42) both sides, two fixed axle (43) pass the inboard of two connecting gear (42) respectively, rotate between connecting gear (42) and fixed axle (43) and be connected, two connecting gear (42) intermeshing.

8. The foldable gimbal mechanism of claim 3, wherein: one end fixedly connected with connection pad (24) of first threaded rod (22) is kept away from in first motor (23), the surface of tripod (1) is provided with pivot (25), connection pad (24) rotate the suit in the surface of pivot (25).