CN217302318U

CN217302318U - Hoisting support

Info

Publication number: CN217302318U
Application number: CN202220482632.6U
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: 2022-08-26
Anticipated expiration: 2032-03-04

Abstract

The utility model discloses a hoisting support, include: the jib subassembly, the lower extreme of jib subassembly is equipped with the connecting seat, the connecting seat winds the axis rotation of jib subassembly is provided with a plurality of feet spare, the feet spare can rotate to with jib subassembly parallels or rotate to with jib subassembly looks perpendicular and stable, the tip of feet spare is equipped with coupling assembling. Above hoisting support sets up the connecting seat at the lower extreme of jib subassembly, utilize a plurality of stabilizer blade spare to rotate and to make hoisting support be in the expansion state as for jib subassembly looks perpendicular, hoisting support links to each other with projection equipment in order to realize hoist and mount projection equipment's function through the coupling assembling on the stabilizer blade spare when being in the expansion state, a plurality of stabilizer blade spare can rotate and to parallel as for jib subassembly and make hoisting support be in the state of accomodating, the hoisting support volume that is in the state of accomodating is less, this hoisting support structure is simple and easy, can fold and accomodate, do benefit to production, the transportation and deposit.

Description

Hoisting support

Technical Field

The utility model relates to a hoisting support.

Background

At present, a hoisting bracket is often arranged on the ceiling of a room for installing projection equipment or other office equipment. General hoisting support is including hanging the subassembly and connecting on hanging the subassembly and be used for erection equipment's mounting panel, and the hoisting support of this structure can't be accomodate for the less state of volume, is unfavorable for production, transportation and deposits. Moreover, taking the 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 overall 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, the positions of mounting holes of different types of equipment are different, and the conventional hoisting support cannot be used for installing projection equipment with different sizes.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a simple and easy, collapsible storage of structure, be convenient for production, transportation and the hoisting support who deposits.

According to the utility model discloses a hoisting support, include: the jib subassembly, the lower extreme of jib subassembly is equipped with the connecting seat, the connecting seat winds the axis of jib subassembly rotates and is provided with a plurality of leg spare, leg spare can rotate extremely with jib subassembly parallels or rotate extremely with jib subassembly looks is perpendicular and stable, the tip of leg spare is equipped with coupling assembling.

According to the utility model discloses hoisting support has following beneficial effect at least:

above hoisting support sets up the connecting seat at the lower extreme of jib subassembly, utilize a plurality of stabilizer blade pieces to rotate and to make hoisting support be in the expansion state as for jib subassembly looks vertically, hoisting support links to each other with projection equipment through the coupling assembling on the stabilizer blade piece when being in the expansion state in order to realize the function of hoist and mount projection equipment, a plurality of stabilizer blade pieces can rotate and parallel and make hoisting support be in the state of accomodating as for jib subassembly, the hoisting support volume that is in the state of accomodating is less, this hoisting support structure is simple and easy, can fold and accomodate, do benefit to production, transportation and deposit.

In some embodiments of the present invention, the one end of the supporting leg close to the connecting seat is provided on the side of the connecting seat through a first pivot, the first pivot is orthogonal to the axis of the suspension rod assembly, the supporting leg can rotate around the first pivot to be parallel to or perpendicular to the suspension rod assembly, and the connecting seat is provided with a locking member which can lock the supporting leg relative to the suspension rod assembly in a perpendicular state.

The utility model discloses an in some embodiments, the locking piece is located for rotating the bottom plate of the bottom surface of connecting seat, the bottom plate is relative connecting seat pivoted axis of rotation with jib subassembly's axis collineation, the periphery of bottom plate is provided with a plurality of stepping down the breach groove that the leg piece rotated to with jib subassembly parallels, the breach groove with leg piece one-to-one, adjacent have between the breach groove can the butt in the district that blocks of the lower terminal surface of leg piece.

In some embodiments of the present invention, the bottom surface of the connecting seat is provided with a plurality of connecting pieces corresponding to the supporting legs one to one by a second pivot, the second pivot is parallel to the axial direction of the suspension rod assembly, and the first pivot is provided in the connecting pieces so that the supporting legs are opposite to the connecting pieces.

The utility model discloses an in some embodiments, the circumference of connecting seat is equipped with the angle spacing groove, the groove width in angle spacing groove is greater than the width of leg piece, leg piece can with the inside wall in angle spacing groove offsets in order to restrict the connecting piece is relative the turned angle of connecting seat.

In some embodiments of the present invention, the supporting leg member includes a first supporting leg connected to the connecting seat and a second supporting leg extending in a direction of extension of the first supporting leg, and the connecting member is disposed at an end of the second supporting leg.

The utility model discloses an in some embodiments, the stabilizer blade with the connecting piece all is provided with four, four the stabilizer blade winds jib subassembly circumference distributes, wherein two the stabilizer blade is connected with the first elastic component that orders about the two end of stretching out and deviate from each other, all the other two the stabilizer blade is connected with the second elastic component that orders about the two end of stretching out and deviate from each other.

In some embodiments of the present invention, the lower end of the boom assembly is connected to the connecting seat through a universal ball head mechanism.

In some embodiments of the present invention, the boom assembly comprises a fixing rod and a movable rod arranged in an axial direction of the fixing rod, the connecting seat is provided at a lower end of the movable rod, and the upper end of the fixing 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 fixedly disposed at the lower end of the suspension rod assembly, a movable cavity is disposed in the connecting seat and is matched with the ball body, and a locking member extending into the movable cavity and abutting against the ball body is disposed at the side portion 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 above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of an embodiment of a hoisting bracket according to the present invention in an expanded state;

FIG. 2 is a schematic structural view of the hoisting frame of the embodiment of FIG. 1 in a storage state;

FIG. 3 is a schematic structural view of the hoisting support of the embodiment of FIG. 1 after the leg members are horizontally deflected;

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

FIG. 5 is a schematic view of the inner cross-section of the embodiment of FIG. 1 showing the combination of the connecting base, leg member, connecting member, locking member and gimbaled ball mechanism;

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

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplicity of description, and does 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 invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood 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 stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 and fig. 2, the utility model discloses a hoisting support of embodiment includes: the boom assembly 100, the lower end of the boom assembly 100 is provided with a connecting base 200, the connecting base 200 is provided with a plurality of leg members 300 rotating around the axis of the boom assembly 100, the leg members 300 can rotate to be parallel to the boom assembly 100 or rotate to be perpendicular to and stable with the boom assembly 100, and the end of the leg members 300 is provided with a connecting component 310.

Above hoisting support sets up connecting seat 200 at the lower extreme of jib subassembly 100, utilize a plurality of feet piece 300 to rotate as for jib subassembly 100 looks vertically and make hoisting support be in the expansion state, hoisting support links to each other with projection equipment through coupling assembling 310 on the feet piece 300 when being in the expansion state in order to realize the function of hoist and mount projection equipment, a plurality of feet piece 300 can rotate and parallel and make hoisting support be in the state of accomodating as for jib subassembly 100, the hoisting support volume that is in the state of accomodating is less, this hoisting support structure is simple and easy, can fold and accomodate, do benefit to production, transportation and deposit.

Referring to fig. 1, 4 and 5, in some embodiments of the present invention, one end of the leg member 300 near the connecting base 200 is rotatably disposed on a side portion of the connecting base 200 by a first pivot 410, the first pivot 410 is orthogonal to an axis of the boom assembly 100, the leg member 300 can rotate around the first pivot 410 to be parallel or perpendicular to the boom assembly 100, and the connecting base 200 is provided with a locking member 500 for locking the leg member 300 in a perpendicular state with respect to the boom assembly 100. It should be noted that the leg member 300 is free to rotate about the first pivot axis 410 when the locking member 500 is not in use, and that the leg member 300 is substantially parallel to the boom assembly 100 when the leg member 300 is rotated to the vicinity of the boom assembly 100, and the hanger bracket is in the stowed position. When the leg members 300 are rotated to be substantially perpendicular to the boom assembly 100, the lifting bracket is in the unfolded state, and the locking member 500 is used to maintain the lifting bracket in the unfolded state, so as to ensure that the projection apparatus can be stably mounted on the lifting 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 base 200, the rotation axis of the bottom plate relative to the connecting base 200 is collinear with the axis of the suspension rod assembly 100, the periphery of the bottom plate is provided with a plurality of notch grooves 510 allowing the leg members 300 to rotate to be parallel to the suspension rod assembly 100, the notch grooves 510 are in one-to-one correspondence with the leg members 300, and a blocking area capable of abutting against the lower end surface of the leg members 300 is disposed between the adjacent notch grooves 510. In this embodiment, the base plate is a substantially circular thin plate, and the base plate is mounted to the bottom of the coupling base 200 by a first bolt 520, the first bolt 520 being coaxial with the axis of the boom assembly 100, and the cutaway groove 510 being recessed inwardly along the circumferential edge of the base plate. When the hoisting bracket needs to be stored, a user rotates the leg member 300 downward, and in the process, the leg member 300 enters the notch groove 510; when the hoisting support needs to be unfolded, a user rotates the leg member 300 upward, the leg member 300 leaves the notch groove 510 and is perpendicular to the boom assembly 100, and then the user rotates the base plate, and the notch groove 510 is misaligned with the leg member 300, so that the blocking area corresponds to the lower end surface of the leg member 300, thereby locking the unfolded state of the hoisting support. The locking member 500 has a simple and smart structure, and is very convenient to lock and unlock.

Referring to fig. 1, 3 and 5, in some embodiments of the present invention, the bottom surface of the connecting socket 200 is rotatably provided with a plurality of connecting members 400 corresponding to the leg members 300 one by 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 connecting members 400 to allow the leg members 300 to rotate relative to the connecting members 400. The connecting member 400 rotates around the second pivot 420, so as to drive the leg members 300 to horizontally deflect relative to the connecting seat 200, thereby achieving the function of adjusting the included angle between two adjacent leg members 300, and facilitating the installation of the hoisting bracket on the projection equipment with different sizes.

Referring to fig. 2 and 3, in some embodiments of the present invention, in order to avoid the excessive rotation angle of the connecting member 400 from interfering with each other between the leg members 300, the circumferential direction of the connecting seat 200 is provided with an angle limiting groove 201, the width of the angle limiting groove 201 is greater than the width of the leg member 300, and the leg member 300 can offset from the inner side wall of the angle limiting groove 201 to limit the rotation angle of the connecting member 400 relative to the connecting seat 200. It will be appreciated that the greater width of the angle-limiting slot 201 than the leg members 300 limits the leg members 300 to rotate within a certain range of angles, thereby limiting the included angle between two adjacent leg members 300 within a certain range.

Referring to fig. 1 and 4, in some embodiments of the present invention, in order to enlarge the application range of the hoisting support of the present invention, the support leg 300 includes a first support leg 301 connected to the connecting seat 200 and a second support leg 302 extending along the extending direction of the first support leg 301, and the connecting component 310 is disposed at the end of the second support leg 302. In this embodiment, the connection assembly 310 is a first mounting hole formed at an end of the second supporting leg 302, and correspondingly, a second mounting hole corresponding to the first mounting hole is formed in the projection device or other device to be mounted, and then the connection base 200 is connected to the projection device or other device by using a screw 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 disposed on each of the leg members 300 and the connecting member 400, and four leg members 300 are circumferentially distributed around the boom assembly 100, wherein two leg members 300 are connected to a first elastic member 710 for urging the extending ends of the two to deviate from each other, and the other two leg members 300 are connected to a second elastic member 720 for urging the extending ends of the two to deviate from each other. It should be noted that, under the action of the first elastic member 710 and the second elastic member 720, the hoisting bracket of the present invention is in the expanded state as shown in fig. 1. Since the projection device is generally rectangular, when the projection device is mounted on the lifting bracket, the four leg members 300 need to be divided into two sets of leg assemblies, the ends of the two leg members 300 of each set of leg assemblies, which are away from the connecting base 200, are close to each other to overcome the acting force of the first elastic member 710 or the second elastic member 720, and the connecting assembly 310 on each leg member 300 is connected to the projection device, at this time, the ends of the two leg members 300 of each set of leg assemblies, which are away from the connecting base 200, have a tendency to move away from each other, so that the connecting assembly 310 can be stably connected to the projection device, and when the leg members 300 include the first leg 301 and the second leg 302, the above structure can prevent the second leg 302 from moving relative to the first leg 301 to loosen the connecting assembly 310 from the projection device.

Referring to fig. 1 and 5, in some embodiments of the present invention, in order to realize that the whole body formed by the connecting base 200 and the leg member 300 swings in different directions relative to the suspension rod assembly 100, thereby adjusting the projection angle of the projection device, the lower end of the suspension rod assembly 100 is connected to the connecting base 200 by a universal ball head mechanism 600.

Referring to fig. 1, in some embodiments of the present invention, in order to adjust the height position of the projection apparatus, the suspension rod assembly 100 includes a fixed rod 110 and a movable rod 120 telescopically arranged along an axial direction of the fixed rod 110, a connecting seat 200 is provided at a lower end of the movable rod 120, and an upper end of the fixed rod 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 threadedly attached to the ceiling. The telescopic adjustment structure between the movable rod 120 and the fixed rod 110 may be in the following form: a plurality of positioning holes are formed at intervals in the extending direction of the fixed rod 110, and an elastic protrusion capable of being inserted into any one of the positioning holes is formed on the movable rod 120.

Referring to fig. 5, in some embodiments of the present invention, the ball-and-socket joint mechanism 600 includes a ball 610 fixed to the lower end of the suspension rod assembly 100, a movable cavity 620 is formed in the connecting base 200 and is matched with the ball 610, and a locking member 630 is formed on the side of the connecting base 200 and extends into the movable cavity 620 and abuts against the ball 610. When the ball 610 rotates relative to the movable cavity 620, the ball 610 is locked by the locking member 630, so that the angle adjustment of the connecting seat 200 relative to the boom assembly 100 is realized.

Referring to fig. 5, in some embodiments of the present invention, in order to facilitate installation of the ball 610 and manufacture of the movable chamber 620, the connecting seat 200 includes an upper mounting seat 210 and a lower mounting seat 220 detachably connected to a whole, the lower mounting seat 220 is provided with a semi-spherical chamber matched with the ball 610, the upper mounting seat 210 is provided with a necking chamber matched with the surface of the ball 610 and preventing the ball 610 from breaking away, and the semi-spherical chamber and the necking chamber are combined to form the movable chamber 620.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

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

Claims

1. A hoisting support, characterized by comprising:

the jib subassembly (100), the lower extreme of jib subassembly (100) is equipped with connecting seat (200), connecting seat (200) are wound the axis rotation of jib subassembly (100) is provided with a plurality of stand bars spare (300), stand bars spare (300) can rotate to with jib subassembly (100) parallel or rotate to with jib subassembly (100) is mutually perpendicular and stable, be equipped with on connecting seat (200) can with stand bars spare (300) are relative jib subassembly (100) looks vertically locking piece (500) of state locking, the tip of stand bars spare (300) is equipped with coupling assembling (310).

2. A lifting bracket according to claim 1, characterised in that:

one end of the leg piece (300) close to the connecting seat (200) is rotatably 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 suspender assembly (100), and the leg piece (300) can rotate around the first pivot (410) to be parallel or vertical to the suspender assembly (100).

3. A lifting bracket according to claim 2, characterised in that:

locking piece (500) are located for rotating the bottom plate of the bottom surface of connecting seat (200), the bottom plate is relative connecting seat (200) pivoted axis of rotation with the axis collineation of jib subassembly (100), the periphery of bottom plate is provided with a plurality of abdications foot spare (300) rotate to with breach groove (510) that jib subassembly (100) paralleled, breach groove (510) with foot spare (300) one-to-one, it is adjacent have between breach groove (510) can the butt in the district that blocks of the lower terminal surface of foot spare (300).

4. A lifting bracket according to claim 2, characterised in that:

the bottom surface of the connecting seat (200) is rotatably provided with a plurality of connecting pieces (400) which are in one-to-one correspondence with the leg pieces (300) through second pivots (420), the second pivots (420) are parallel to the axial direction of the suspender assembly (100), and the first pivots (410) are arranged on the connecting pieces (400) so that the leg pieces (300) can rotate relative to the connecting pieces (400).

5. A lifting support according to claim 4, characterised in that:

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

6. A lifting bracket according to claim 1, characterised in that:

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

7. A lifting support according to claim 5, characterised in that:

the four supporting foot pieces (300) and the four connecting pieces (400) are arranged, the four supporting foot pieces (300) are distributed around the circumference of the suspender assembly (100), two of the supporting foot pieces (300) are connected with first elastic pieces (710) which drive the extending ends of the supporting foot pieces to deviate from each other, and the other two supporting foot pieces (300) are connected with second elastic pieces (720) which drive the extending ends of the supporting foot pieces to deviate from each other.

8. A lifting bracket according to claim 1, characterised in that:

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

9. A lifting support according to claim 1 or 8, characterised in that:

the suspension rod 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 an installation assembly (130) used for being installed on a ceiling is arranged at the upper end of the fixed rod (110).

10. A lifting bracket according to claim 8, characterised in that:

universal ball head mechanism (600) including set firmly in spheroid (610) of the lower extreme of jib subassembly (100), be equipped with in connecting seat (200) with spheroid (610) matched with activity chamber (620), the lateral part of connecting seat (200) is equipped with to stretch to locate in activity chamber (620) and support by in retaining member (630) of spheroid (610).