CN116734122A

CN116734122A - Hoisting bracket

Info

Publication number: CN116734122A
Application number: CN202210212885.6A
Authority: CN
Inventors: 莫小蓉
Original assignee: Zhongshan Baoyi Hardware Plastic Product Co ltd
Current assignee: Zhongshan Baoyi Hardware Plastic Product Co ltd
Priority date: 2022-03-04
Filing date: 2022-03-04
Publication date: 2023-09-12

Abstract

The invention discloses a hoisting bracket, which comprises: the boom assembly, the lower extreme of boom assembly is equipped with the connecting seat, the connecting seat is around the axis rotation of boom assembly is provided with a plurality of stabilizer blade pieces, the stabilizer blade piece can rotate to with the boom assembly looks parallel or rotate to with boom assembly looks perpendicular and stable, the tip of stabilizer blade piece is equipped with coupling assembling. The lower extreme that above hoist and mount support set up the connecting seat at the jib subassembly utilizes a plurality of stabilizer blade spare to rotate and to be in the jib subassembly mutually perpendicular and make hoist and mount support be in the expansion state, link to each other with projection equipment through the coupling assembling on the stabilizer blade spare when hoist and mount support is in the expansion state in order to realize hoist and mount projection equipment's function, a plurality of stabilizer blade spare can rotate and be in the jib subassembly and parallel and make hoist and mount support be in the state of accomodating, hoist and mount support volume in the state of accomodating is less, this hoist and mount support structure is simple and easy, can fold to accomodate, does benefit to production, transportation and deposit.

Description

Hoisting bracket

Technical Field

The invention relates to a hoisting bracket.

Background

At present, a lifting bracket is often arranged on an indoor ceiling for installing projection equipment or other office equipment. The general hoisting support includes the hanging component and connects on the hanging component and be used for the mounting panel of erection equipment, and the hoisting support of this structure can't accomodate for the state that the volume is less, is unfavorable for production, transportation and deposit. In addition, taking installation of the projection device as an example, in order to adjust the projection direction of the projection device, a telescopic structure for height adjustment and a rotating structure for angle adjustment are arranged between the hanging assembly and the installation plate, so that the whole structure is complex, and the adjustment operation is inconvenient.

In addition, the connection between the mounting plate and the equipment is generally realized through a bolt assembly, and the positions of mounting holes of the equipment are different for different types of equipment, so that the existing hoisting support cannot be adapted to the projection equipment with different sizes.

Disclosure of Invention

The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention provides the hoisting bracket which has a simple structure, can be folded and stored, and is convenient to produce, transport and store.

According to an embodiment of the invention, a lifting bracket comprises: the boom assembly, the lower extreme of boom assembly is equipped with the connecting seat, the connecting seat is around the axis rotation of boom assembly is provided with a plurality of stabilizer blade pieces, the stabilizer blade piece can rotate to with the boom assembly looks parallel or rotate to with boom assembly looks perpendicular and stable, the tip of stabilizer blade piece is equipped with coupling assembling.

According to the embodiment of the invention, the hoisting bracket has at least the following beneficial effects:

the lower extreme that above hoist and mount support set up the connecting seat at the jib subassembly utilizes a plurality of stabilizer blade spare to rotate and to be in the jib subassembly mutually perpendicular and make hoist and mount support be in the expansion state, link to each other with projection equipment through the coupling assembling on the stabilizer blade spare when hoist and mount support is in the expansion state in order to realize hoist and mount projection equipment's function, a plurality of stabilizer blade spare can rotate and be in the jib subassembly and parallel and make hoist and mount support be in the state of accomodating, hoist and mount support volume in the state of accomodating is less, this hoist and mount support structure is simple and easy, can fold to accomodate, does benefit to production, transportation and deposit.

In some embodiments of the present invention, an end of the leg member near the connecting seat is rotatably disposed at a side portion of the connecting seat through a first pivot, the first pivot is orthogonal to an axis of the boom assembly, the leg member can rotate around the first pivot to be parallel or perpendicular to the boom assembly, and a locking member capable of locking the leg member in a state perpendicular to the boom assembly is disposed on the connecting seat.

In some embodiments of the present invention, the locking member is a bottom plate rotatably disposed on a bottom surface of the connecting seat, a rotation axis of the bottom plate relative to the rotation of the connecting seat is collinear with an axis of the boom assembly, a plurality of notch grooves configured to allow the leg members to rotate to be parallel to the boom assembly are disposed on an outer periphery of the bottom plate, the notch grooves are in one-to-one correspondence with the leg members, and a blocking area capable of being abutted against a lower end surface of the leg member is disposed between adjacent notch grooves.

In some embodiments of the present invention, the bottom surface of the connecting seat is rotatably provided with a plurality of connectors corresponding to the leg members one by one through a second pivot, the second pivot is parallel to the axial direction of the boom assembly, and the first pivot is provided on the connectors to rotate the leg members relative to the connectors.

In some embodiments of the present invention, an angle limiting groove is formed in the circumferential direction of the connection seat, the groove width of the angle limiting groove is larger than the width of the leg member, and the leg member can abut against the inner side wall of the angle limiting groove to limit the rotation angle of the connection member relative to the connection seat.

In some embodiments of the present invention, the leg assembly includes a first leg connected to the connection base and a second leg telescopically arranged along an extension direction of the first leg, and the connection assembly is provided at an end of the second leg.

In some embodiments of the present invention, four of the leg members and the connecting member are disposed around the circumference of the boom assembly, wherein two of the leg members are connected with a first elastic member for driving the protruding ends of the two members away from each other, and the other two leg members are connected with a second elastic member for driving the protruding ends of the two members away from each other.

In some embodiments of the invention, the lower end of the boom assembly is connected to the connection base by a universal ball mechanism.

In some embodiments of the present invention, the boom assembly includes a fixed rod and a movable rod telescopically arranged along an axial direction of the fixed rod, the connection seat is arranged at a lower end of the movable rod, and an upper end of the fixed rod is provided with a mounting assembly for mounting on a ceiling.

In some embodiments of the present invention, the universal ball head mechanism includes a ball body fixed at the lower end of the boom assembly, a movable cavity matched with the ball body is provided in the connecting seat, and a locking member extending into the movable cavity and abutting against the ball body is provided at the side of the connecting seat.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic view of an embodiment of a lifting bracket of the present invention in an expanded state;

fig. 2 is a schematic structural view of the lifting bracket in the embodiment of fig. 1 in a storage state;

FIG. 3 is a schematic view of the horizontal deflection of the leg members of the lifting bracket of the embodiment of FIG. 1;

FIG. 4 is a schematic view of the structure of FIG. 1 from another perspective;

FIG. 5 is a schematic view of the internal cross-section of the combination of the attachment base, leg members, attachment member, locking member and universal ball mechanism of the embodiment of FIG. 1;

fig. 6 is a schematic structural view of the locking member separated from the connecting seat in the embodiment of fig. 1.

Detailed Description

Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.

In the description of the present invention, it should be understood that references to orientation descriptions such as terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., are based on the orientation or positional relationship shown in the drawings, are merely for convenience of describing the present invention and to simplify the description, and do not indicate or imply that the devices or elements 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.

In the description of the present invention, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1 and 2, a lifting bracket according to an embodiment of the present invention includes: the boom assembly 100, the lower extreme of boom assembly 100 is equipped with connecting seat 200, and connecting seat 200 rotates around the axis of boom assembly 100 and is provided with a plurality of leg pieces 300, and leg pieces 300 can rotate to be parallel with boom assembly 100 or rotate to be perpendicular and stable with boom assembly 100, and the tip of leg pieces 300 is equipped with coupling assembling 310.

The hanging bracket is arranged at the lower end of the hanging rod assembly 100, the hanging bracket is in an unfolding state by utilizing the fact that the plurality of supporting leg pieces 300 rotate to the hanging rod assembly 100 to be vertical, the hanging bracket is connected with the projection equipment through the connecting assembly 310 on the supporting leg pieces 300 when in the unfolding state so as to realize the function of hanging the projection equipment, the plurality of supporting leg pieces 300 can rotate to the hanging rod assembly 100 to be parallel to enable the hanging bracket to be in a storage state, the hanging bracket in the storage state is small in size, and the hanging bracket is simple in structure, can be folded and stored, and is beneficial to production, transportation and storage.

Referring to fig. 1, 4 and 5, in some embodiments of the present invention, one end of the leg member 300 near the connection base 200 is rotatably disposed at a side portion of the connection base 200 through a first pivot 410, the first pivot 410 is orthogonal to the axis of the boom assembly 100, the leg member 300 is rotatable about the first pivot 410 to be parallel or perpendicular to the boom assembly 100, and a locking member 500 for locking the leg member 300 in a state perpendicular to the boom assembly 100 is provided on the connection base 200. When the locking member 500 is not in operation, the leg member 300 can rotate freely about the first pivot 410, and when the leg member 300 rotates to the vicinity of the boom assembly 100, the leg member 300 is substantially parallel to the boom assembly 100, and the lifting bracket is in the storage state. When the leg member 300 is rotated to be substantially perpendicular to the boom assembly 100, the hanger bracket is in a unfolded state, and the hanger bracket is maintained in the unfolded state by the locking member 500, so that the projection apparatus can be stably mounted on the hanger bracket.

Referring to fig. 4 and 5, in some embodiments of the present invention, the locking member 500 is a bottom plate rotatably disposed on the bottom surface of the connecting seat 200, the rotation axis of the bottom plate relative to the rotation of the connecting seat 200 is collinear with the axis of the boom assembly 100, a plurality of notch grooves 510 configured to allow the leg member 300 to rotate to be parallel to the boom assembly 100 are disposed on the periphery of the bottom plate, the notch grooves 510 are in one-to-one correspondence with the leg member 300, and a blocking area capable of abutting against the lower end surface of the leg member 300 is disposed between adjacent notch grooves 510. In this embodiment, the bottom plate is a generally circular thin plate and is mounted to the bottom of the connection socket 200 by a first bolt 520, the first bolt 520 being coaxial with the axis of the boom assembly 100, and the notch groove 510 being recessed inwardly along the circumferential edge of the bottom plate. When the hanging bracket needs to be stored, a user rotates the leg piece 300 downwards, and in the process, the leg piece 300 enters the notch groove 510; when the hanging bracket needs to be unfolded, a user rotates the leg piece 300 upwards, the leg piece 300 leaves the notch groove 510 and is perpendicular to the hanging rod assembly 100, then the user rotates the bottom plate, the notch groove 510 is dislocated with the leg piece 300, and the blocking area corresponds to the lower end face of the leg piece 300, so that the unfolding state of the hanging bracket is locked. The above locking member 500 has a simple and smart structure, and the locking and unlocking operations are very convenient.

Referring to fig. 1, 3 and 5, in some embodiments of the present invention, the bottom surface of the connection base 200 is rotatably provided with a plurality of connection members 400 corresponding to the leg members 300 one by one through a second pivot 420, the second pivot 420 is parallel to the axial direction of the boom assembly 100, and the first pivot 410 is provided at the connection members 400 to rotate the leg members 300 with respect to the connection members 400. The connecting piece 400 rotates around the second pivot 420, so that the leg pieces 300 are driven to horizontally deflect relative to the connecting seat 200, the function of adjusting the included angle between two adjacent leg pieces 300 is achieved, and the lifting support is beneficial to being capable of being used for adaptively mounting projection equipment with different sizes.

Referring to fig. 2 and 3, in some embodiments of the present invention, in order to avoid interference between the leg members 300 caused by an excessive rotation angle of the connection member 400, an angle limiting groove 201 is formed in the circumferential direction of the connection base 200, the width of the angle limiting groove 201 is greater than that of the leg members 300, and the leg members 300 can abut against the inner side walls of the angle limiting groove 201 to limit the rotation angle of the connection member 400 relative to the connection base 200. It can be appreciated that the width of the angle limiting groove 201 is larger than the width of the leg member 300, so that the leg member 300 can be limited to rotate within a certain angle range, thereby limiting the included angle between two adjacent leg members 300 within a certain range.

Referring to fig. 1 and 4, in order to expand the range of use of the lifting bracket of the present invention and accommodate a wider size of projection apparatus, the leg assembly 300 includes a first leg 301 connected to the connection base 200 and a second leg 302 telescopically arranged along the extension direction of the first leg 301, and the connection assembly 310 is disposed at the end of the second leg 302. In this embodiment, the connection component 310 is a first mounting hole formed at an end of the second leg 302, and correspondingly, a second mounting hole corresponding to the first mounting hole is formed on the projection device or other devices to be mounted, and then the connection socket 200 is connected with the projection device or other devices by using screws penetrating through the first mounting hole and the second mounting hole.

Referring to fig. 6, in some embodiments of the present invention, four leg members 300 are provided around the circumference of the boom assembly 100, wherein two leg members 300 are connected with a first elastic member 710 driving the protruding ends of the two members away from each other, and the remaining two leg members 300 are connected with a second elastic member 720 driving the protruding ends of the two members away from each other. It should be noted that, under the action of the first elastic member 710 and the second elastic member 720, the lifting bracket of the present invention is in the unfolded state as shown in fig. 1. Since the projection apparatus is generally rectangular in shape, when the projection apparatus is mounted on the hanger bracket, it is necessary to divide the four leg members 300 into two sets of leg members, the two leg members 300 of each set of leg members approach each other away from the end of the connection base 200 to overcome the force of the first elastic member 710 or the second elastic member 720, and the connection member 310 of each leg member 300 is connected to the projection apparatus, at this time, since the two leg members 300 of each set of leg members have a moving tendency away from each other away from the end of the connection base 200, the connection member 310 can be firmly connected to the projection apparatus, and, when the leg members 300 include the first leg 301 and the second leg 302 as described above, the above structure can prevent the second leg 302 from being moved relative to the first leg 301 to cause the connection member 310 to be released from the projection apparatus.

Referring to fig. 1 and 5, in some embodiments of the present invention, in order to implement the swing of the whole body formed by the connection base 200 and the leg members 300 in different directions with respect to the boom assembly 100, thereby adjusting the projection angle of the projection apparatus, the lower end of the boom assembly 100 is connected with the connection base 200 through the universal ball mechanism 600.

Referring to fig. 1, in order to achieve height position adjustment of a projection apparatus in some embodiments of the present invention, a boom assembly 100 includes a fixed bar 110 and a movable bar 120 telescopically disposed along an axial direction of the fixed bar 110, a connection seat 200 is provided at a lower end of the movable bar 120, and an upper end of the fixed bar 110 is provided with a mounting assembly 130 for mounting on a ceiling. In this embodiment, the mounting assembly 130 includes a mounting plate and a fastening bolt that is threaded through the mounting plate and is threadably coupled to the ceiling. The structure of telescopic adjustment between the movable rod 120 and the fixed rod 110 may be as follows: a plurality of positioning holes are provided at intervals in the extending direction of the fixed lever 110, and an elastic protrusion capable of being engaged into any one of the positioning holes is provided on the movable lever 120.

Referring to fig. 5, in some embodiments of the present invention, the universal ball mechanism 600 includes a ball 610 fixed at the lower end of the boom assembly 100, a movable cavity 620 matching with the ball 610 is provided in the connection base 200, and a locking member 630 extending into the movable cavity 620 and abutting against the ball 610 is provided at a side portion of the connection base 200. When the ball 610 rotates relative to the movable chamber 620, the locking member 630 is used to lock the ball 610, thereby allowing angular adjustment of the connection block 200 relative to the boom assembly 100.

Referring to fig. 5, in some embodiments of the present invention, in order to facilitate the installation of the sphere 610 and the production of the movable chamber 620, the connection base 200 includes an upper mounting base 210 and a lower mounting base 220 detachably coupled to one body, the lower mounting base 220 is provided with a hemispherical chamber matched with the sphere 610, the upper mounting base 210 is provided with a necking chamber matched with the surface of the sphere 610 and preventing the sphere 610 from being separated, and the hemispherical chamber and the necking chamber are combined to form the movable chamber 620.

The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A lifting bracket, comprising:

the boom assembly (100), the lower extreme of boom assembly (100) is equipped with connecting seat (200), connecting seat (200) are around the axis rotation of boom assembly (100) is provided with a plurality of stabilizer blade pieces (300), stabilizer blade pieces (300) can rotate to with boom assembly (100) parallel or rotate to with boom assembly (100) looks perpendicular and stable, the tip of stabilizer blade pieces (300) is equipped with coupling assembling (310).

2. A lifting bracket according to claim 1, wherein:

the support leg piece (300) is close to one end of the connecting seat (200) and is rotationally arranged on the side part of the connecting seat (200) through a first pivot (410), the first pivot (410) is orthogonal to the axis of the boom assembly (100), the support leg piece (300) can rotate around the first pivot (410) to be parallel or perpendicular to the boom assembly (100), and a locking piece (500) capable of locking the support leg piece (300) relative to the boom assembly (100) in a perpendicular state is arranged on the connecting seat (200).

3. A lifting bracket according to claim 2, wherein:

the locking piece (500) is a bottom plate which is rotationally arranged on the bottom surface of the connecting seat (200), the bottom plate is opposite to the rotating shaft of the connecting seat (200) and is collinear with the axis of the suspender assembly (100), a plurality of notch grooves (510) which are arranged on the periphery of the bottom plate and are used for enabling the supporting leg pieces (300) to rotate to be parallel to the suspender assembly (100) are formed, the notch grooves (510) are in one-to-one correspondence with the supporting leg pieces (300), and a blocking area which can be abutted to the lower end surface of the supporting leg pieces (300) is arranged between the adjacent notch grooves (510).

4. A lifting bracket according to claim 2, wherein:

the bottom surface of connecting seat (200) is provided with a plurality of and with connecting piece (400) of stabilizer blade piece (300) one-to-one through second pivot (420) rotation, second pivot (420) with the axial of jib subassembly (100) is parallel, first pivot (410) are located connecting piece (400) in order to make stabilizer blade piece (300) are relative connecting piece (400) rotates.

5. A lifting bracket as defined in claim 4, wherein:

the circumference of connecting seat (200) is equipped with angle spacing groove (201), angle spacing groove (201) groove width is greater than the width of stabilizer blade spare (300), stabilizer blade spare (300) can with the inside wall of angle spacing groove (201) offsets in order to restrict connecting piece (400) relative rotation angle of connecting seat (200).

6. A lifting bracket according to claim 1, wherein:

the support leg piece (300) comprises a first support leg (301) connected with the connecting seat (200) and a second support leg (302) which is arranged in a telescopic mode along the extending direction of the first support leg (301), and the connecting assembly (310) is arranged at the end portion of the second support leg (302).

7. A lifting bracket as defined in claim 5, wherein:

the support leg members (300) and the connecting members (400) are respectively provided with four support leg members (300) which are circumferentially distributed around the boom assembly (100), wherein two support leg members (300) are connected with first elastic members (710) for driving the extending ends of the two support leg members to deviate from each other, and the other two support leg members (300) are connected with second elastic members (720) for driving the extending ends of the two support leg members to deviate from each other.

8. A lifting bracket according to claim 1, wherein:

the lower end of the boom assembly (100) is connected with the connecting seat (200) through a universal ball head mechanism (600).

9. A lifting bracket according to claim 1 or 8, wherein:

the boom assembly (100) comprises a fixed rod (110) and a movable rod (120) which is arranged along the axial direction of the fixed rod (110) in a telescopic mode, the connecting seat (200) is arranged at the lower end of the movable rod (120), and the upper end of the fixed rod (110) is provided with a mounting assembly (130) which is used for being mounted on a ceiling.

10. A lifting bracket according to claim 8, wherein:

the universal ball head mechanism (600) comprises a ball body (610) fixedly arranged at the lower end of the boom assembly (100), a movable cavity (620) matched with the ball body (610) is arranged in the connecting seat (200), and a locking piece (630) extending into the movable cavity (620) and propped against the ball body (610) is arranged at the side part of the connecting seat (200).