CN220601180U

CN220601180U - Telescopic mechanism applied to selfie stick

Info

Publication number: CN220601180U
Application number: CN202322344208.2U
Authority: CN
Inventors: 许成峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-08-30
Filing date: 2023-08-30
Publication date: 2024-03-15
Anticipated expiration: 2033-08-30

Abstract

The application relates to the technical field of digital accessories such as from rapping bar, camera support, especially, relate to a telescopic machanism for from rapping bar, it includes coaxial setting and nested outer tube, well pipe and the inner tube of connecting in proper order, axial sliding connection is followed to inner tube and well pipe, well pipe and outer tube are along axial sliding connection, still including being used for the drive the relative outer tube of well pipe is along axial gliding first telescopic assembly, be used for connecting first telescopic assembly and the inner tube is in order to drive the relative central tube of inner tube is along axial gliding second telescopic assembly, with the power input of first telescopic assembly is connected and is used for providing the driving piece of power for first telescopic assembly. The telescopic mechanism designed by the application can realize the automatic control of multi-section telescopic, does not need manual control, and has the advantages of simple structure, convenient storage, long telescopic length and large bearing capacity.

Description

Telescopic mechanism applied to selfie stick

Technical Field

The application relates to the technical field of digital accessories such as selfie sticks, camera supports and the like, in particular to a telescopic mechanism applied to the selfie sticks.

Background

Along with continuous progress of technology and continuous improvement of living standard of people, the requirements of people on automation are higher and higher, and digital peripheral products tend to be automated.

Most of the existing self-timer poles are of manual telescopic structures, the use of the existing self-timer poles is labor-intensive, the telescopic structure can be realized only by using larger hand force, automation cannot be realized, and the existing self-timer poles also have the defects of partial automatic telescopic mechanisms, short telescopic length, bearing force and the like on the market.

Disclosure of Invention

Aiming at the defects of the technology, the application provides a telescopic mechanism which can be applied to automatic adjustment of a selfie stick, has long telescopic length and large bearing capacity.

The telescopic machanism who is applied to selfie stick that this application provided adopts following technical scheme:

be applied to telescopic machanism from rapping bar, including coaxial setting and nested outer tube, well pipe and the inner tube of connecting in proper order, inner tube and well pipe are along axial sliding connection, well pipe and outer tube are along axial sliding connection still includes:

the first telescopic assembly is used for driving the middle pipe to axially slide relative to the outer pipe;

the second telescopic assembly is used for connecting the first telescopic assembly and the inner tube so as to drive the inner tube to axially slide relative to the central tube;

and the driving piece is connected with the power input end of the first telescopic component and used for providing power for the first telescopic component.

Preferably, the first telescopic assembly comprises a first transmission screw and a movable seat;

the first transmission screw rod is arranged in an extending mode along the axial direction and is connected with the output end of the driving piece;

the movable seat is connected with one end of the middle pipe, which is close to the driving piece, and is in threaded connection with the first transmission screw.

Preferably, the second telescopic assembly comprises a first gear, a second transmission screw and a connecting part;

the first gear is rotatably arranged on the movable seat, the first gear is sleeved on the first transmission screw, a guide block is arranged on the inner annular wall of the first gear, and the guide block is arranged in a screw groove of the first transmission screw;

the second gear is rotatably arranged on the movable seat and is meshed with the first gear for transmission;

the second transmission screw rod is arranged in an extending way along the axial direction, and one end of the second transmission screw rod is connected with one end of the inner tube far away from the driving piece;

one end of the connecting part is connected with the second gear so that the connecting part synchronously rotates along with the second gear, and the other end of the connecting part is in threaded connection with the second transmission screw.

Preferably, the connecting part comprises a connecting pipe fitting and a rotating piece, the rotating piece is sleeved on the second transmission screw and is in threaded connection with the second transmission screw, the connecting pipe fitting is sleeved on the second transmission screw, one end of the connecting pipe fitting is connected with the second gear, and the other end of the connecting pipe fitting is connected with the rotating piece.

Preferably, the device further comprises a fixed table, the fixed table is arranged on one side, far away from the driving piece, of the first transmission screw, one end, far away from the driving piece, of the first transmission screw is rotationally connected with the fixed table, the fixed table is provided with an installation through hole, and the rotating piece is arranged in the installation through hole and is rotationally connected with the fixed table.

Preferably, the inner walls of the outer tube and the middle tube are provided with sliding grooves extending along the axial direction, the outer walls of the middle tube and the inner tube are provided with sliding blocks, and the sliding blocks are arranged in the sliding grooves in a sliding manner.

Preferably, the second telescopic assembly further comprises a gear fixing seat, the gear fixing seat is covered on the first gear and the second gear, and the gear fixing seat is connected with the movable seat.

Preferably, the device further comprises an end connecting piece, wherein the end connecting piece is detachably connected with one end, far away from the driving piece, of the inner tube, and one end of the second transmission screw is rotatably connected with the end connecting piece.

Preferably, the rotating member includes a fastening portion, and the fastening portion is overlapped with a surface of the fixing table located at the hole of the mounting through hole.

Preferably, one end of the connecting pipe fitting is connected with the second gear in a clamping manner, and the other end of the connecting pipe fitting is connected with the rotating piece in a clamping manner.

According to the telescopic mechanism designed by the technical scheme, the outer pipe, the middle pipe and the inner pipe are designed to be mutually nested and can axially slide, so that the outer pipe, the middle pipe and the inner pipe cannot relatively rotate, meanwhile, the movable seat is fixed at the end part of the middle pipe, the first transmission screw is in threaded connection with the movable seat, and when the driving piece drives the first transmission screw to rotate, the movable seat can be driven to axially move, and then the middle pipe is driven to axially stretch relative to the outer pipe; the guide block is arranged on the inner annular wall of the first gear, so that the guide block is positioned in a screw groove of the first transmission screw, and the first gear is limited by the gear fixing seat to move in the axial direction, so that the first gear is driven by the first transmission screw to rotate; the first gear passes through the second gear and connects the pipe fitting, and the drive rotates the piece and rotates, rotates the piece and pass through the threaded connection with second drive screw, and the one end of second drive screw and the tip fixed of inner tube, the inner tube is rotatable again to make and rotate a second drive screw along axial displacement, and then make the inner tube take place along axial flexible relatively to the center tube, realize multisection extending structure's automation, and this scheme only needs a driving piece alright realize multisection automatic telescoping, and flexible length is long, and the tolerance is big.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present application.

Fig. 2 is a schematic sectional structure view of the front view direction of fig. 1.

Fig. 3 is a schematic structural diagram of a first telescopic assembly and a second telescopic assembly according to an embodiment of the present application.

Fig. 4 is an enlarged schematic view of the portion a in fig. 2.

Fig. 5 is an enlarged schematic view of a portion B in fig. 2.

Fig. 6 is a schematic diagram of a cross-sectional structure in the right view direction of the embodiment of the present application.

Fig. 7 is an enlarged schematic view of a portion C in fig. 6.

Reference numerals illustrate: 1. an outer tube; 2. a middle tube; 3. an inner tube; 4. a first telescoping assembly; 41. a first drive screw; 42. a movable seat; 5. a second telescoping assembly; 51. a first gear; 511. a guide block; 52. a second gear; 53. a second drive screw; 54. a connecting member; 541. connecting the pipe fittings; 542. a rotating member; 55. a gear fixing seat; 6. a driving member; 7. a fixed table; 71. mounting through holes; 8. an end connector.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

In the description of the present utility model, plural means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and the 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 utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, unless clearly defined otherwise, the terms "disposed," "mounted," "connected," and the like are to be construed broadly and may be connected directly or indirectly through an intermediary; the connecting device can be fixedly connected, detachably connected and integrally formed; may be a mechanical connection; may be a communication between two elements or an interaction between two elements. The specific meaning of the words in the utility model can be reasonably determined by a person skilled in the art in combination with the specific content of the technical solution.

The present application is described in further detail below in conjunction with figures 1-7.

The embodiment of the application discloses a telescopic mechanism, which can be applied to a self-racket to realize multi-section telescopic automatic telescopic adjustment of the self-racket.

Referring to fig. 1 to 3, the telescopic mechanism applied to the selfie stick comprises an outer tube 1, a middle tube 2, an inner tube 3, a first telescopic assembly 4, a second telescopic assembly 5 and a driving member 6.

The outer tube 1, the middle tube 2 and the inner tube 3 are hollow shaft tubes, and the three tubes are coaxially nested and connected in sequence to form a three-section telescopic structure, and it is to be noted that in the scheme, the nested structure of the outer tube 1, the middle tube 2 and the inner tube 3 is identical to the existing three-section telescopic structure, and the description is omitted here. In addition, all offered the spout along axial extension on the inner wall of outer tube 1, well pipe 2, all be provided with the slider on the outer wall of well pipe 2, inner tube 3, the slider slides and sets up in the spout, and inner tube 3 and well pipe 2 follow axial sliding connection promptly, well pipe 2 and outer tube 1 follow axial sliding connection for outer tube 1, well pipe 2, inner tube 3 three can not take place relative rotation, well pipe 2 and inner tube 3 only can follow axial displacement, and the axial in this embodiment is the direction of height promptly.

The first telescopic assembly 4 is used for driving the middle tube 2 to axially slide relative to the outer tube 1.

The second telescopic assembly 5 is used for connecting the first telescopic assembly 4 and the inner tube 3 so as to drive the inner tube 3 to axially slide relative to the central tube 2.

The driving member 6 is connected to the power input of the first telescopic assembly 4 for powering the first telescopic assembly 4.

In general, the first telescopic component 4 is driven to act by the driving piece 6, so that the middle tube 2 is driven to slide relative to the outer tube 1, the first telescopic adjustment is realized, meanwhile, the second telescopic component 5 is driven to act by the first telescopic component 4, the inner tube 3 slides relative to the middle tube 2, the second telescopic adjustment is realized, and the three-section telescopic automatic adjustment can be realized by the driving piece 6.

Further, referring to fig. 3 and 4, the first telescopic assembly 4 includes a first driving screw 41 and a moving seat 42, wherein the first driving screw 41 is axially extended, the first driving screw 41 is connected to an output end of the driving member 6, the moving seat 42 is connected to an end of the middle tube 2 near the driving member 6, and the moving seat 42 is in threaded connection with the first driving screw 41.

In this scheme, still be provided with the base from rapping bar, telescopic machanism (i.e., the lower extreme of outer tube 1) can be fixed in on the base, and driving piece 6 can adopt the motor, and the motor can set up in the base, and the output of motor can pass the base top surface and extend to the outer tube 1 inside to be connected with the lower extreme of first drive screw 41, so alright drive screw 41 rotation. Of course, the motor may also be disposed on the top surface of the base, i.e. disposed in the outer tube 1, and the purpose of driving the first driving screw 41 to rotate may also be achieved.

Meanwhile, the movable seat 42 and the lower end of the middle tube 2 can be connected in a detachable mode such as a buckle connection mode or a bolt connection mode, and the maintenance of a follow-up telescopic mechanism is facilitated. In this way, the driving piece 6 can drive the movable seat 42 to move upwards through the first driving screw 41, so that the middle tube 2 and the outer tube 1 move relatively, and the first telescopic adjustment is realized.

Further, referring to fig. 3 to 7, the second telescopic assembly 5 includes a first gear 51, a second gear 52, a second drive screw 53, and a connecting member 54. The first gear 51 is rotatably disposed on the moving seat 42, the first gear 51 is sleeved on the first driving screw 41, a guide block 511 is disposed on an inner circumferential wall of the first gear 51, and the guide block 511 is embedded in a screw groove of the first driving screw 41. Thus, when the first drive screw 41 rotates, that is, the movable base 42 is lifted, the guide block 511 is driven to rotate by the screw groove of the first drive screw 41, thereby driving the first gear 51.

It should be noted that, the fact that the first gear 51 is rotatably disposed on the movable seat 42 means that the degree of freedom of rotation of the first gear 51 about its own axis is not limited on the movable seat 42, the degree of freedom of movement of the first gear 51 in the height direction is limited, and the specific mounting structure for limiting the degree of freedom of movement of the first gear 51 in the height direction is not particularly limited in this application, by providing a stopper above the first gear 51 or rotationally connecting the first gear 51 with the movable seat 42, for example, by mounting the first gear 51 on the movable seat 42 through a bearing.

The second gear 52 is rotatably disposed on the movable seat 42, the second gear 52 is engaged with the first gear 51 for transmission, and the rotation setting mode of the second gear 52 is the same as that of the first gear 51, which is not described herein.

In this embodiment, the limitation of the freedom of movement of the first gear 51 and the second gear 52 along the height direction can be achieved through the gear fixing seat 55, and in order to reduce the assembly difficulty and cost, the first gear 51 and the second gear 52 are placed on the top surface of the movable seat 42, a rotating shaft is arranged on the lower end surface of the second gear 52, a corresponding shaft hole is arranged on the movable seat 42, and the assembly of the second gear 52 can be completed by inserting the rotating shaft into the shaft hole.

The gear fixing seat 55 is covered on the first gear 51 and the second gear 52, and the inner top wall of the gear fixing seat 55 can press the first gear 51 and the second gear 52, and then the gear fixing seat 55 is detachably connected with the moving seat 42, so that the moving freedom degree of the first gear 51 and the second gear 52 along the height direction can be limited.

The second driving screw 53 extends axially, one end of the second driving screw 53 is connected with one end of the inner tube 3 far away from the driving member 6, that is, the upper end of the second driving screw 53 is fixedly connected with the upper end of the inner tube 3, and it should be noted that the lower end of the second driving screw 53 is detachably arranged with the moving seat 42 or the second gear 52, so that the second driving screw 53 can move along the height direction.

One end of the connection member 54 is connected to the second gear 52 such that the connection member 54 rotates synchronously with the second gear 52, and the other end of the connection member 54 is screw-coupled to the second drive screw 53.

Therefore, under the guiding action of the screw groove of the first driving screw 41, the guide block 511 enables the first gear 51 to rotate in the lifting process of the moving seat 42 and drives the second gear 52 to synchronously rotate, the second gear 52 drives the connecting component 54 to synchronously rotate, the upper end of the connecting component 54 is connected and fixed with the upper end of the inner tube 3 through the threaded connection with the second driving screw 53, namely, the second driving screw 53 is not rotatable, so that the connecting component 54 can drive the second driving screw 53 to lift, the purpose of driving the inner tube 3 and the middle tube 2 to relatively slide is achieved, and the second telescopic adjustment of three-section telescopic is realized.

Further, the connecting member 54 includes a connecting pipe 541 and a rotating member 542, the rotating member 542 is sleeved on the second driving screw 53 and is in threaded connection with the second driving screw 53, the connecting pipe 541 is sleeved on the second driving screw 53, one end of the connecting pipe 541 is connected with the second gear 52, and the other end is connected with the rotating member 542. In this scheme, in order to make things convenient for the assembly of connecting element 54, the even body coupling is provided with the terminal surface and extends the pipe fitting on the up end of second gear 52 and the lower surface of rotating member 542, and two terminal surface extend the pipe fitting correspond respectively with the upper end or the lower extreme buckle connection of connecting pipe 541, can reduce the assembly degree of difficulty and make things convenient for the maintenance of follow-up telescopic machanism.

Further, in order to improve the stability of the rotating member 542, the telescopic mechanism further includes a fixing table 7, the fixing table 7 is disposed on one side of the first driving screw 41 away from the driving member 6, one end of the first driving screw 41 away from the driving member 6 is rotationally connected with the fixing table 7, the fixing table 7 has a mounting through hole 71, the rotating member 542 is disposed in the mounting through hole 71 and rotationally connected with the fixing table 7, and the rotating member 542 and the fixing table 7 can be rotationally connected by means of bearings and the like.

In this scheme, the up end of rotating member 542 is provided with a plurality of lock joint portion along circumference, and a plurality of lock joint portion overlap joint is located on the top surface of installation through-hole 71 drill way department in fixed station 7 to make rotating member 542 clearance fit install in installation through-hole 71, also can realize rotating connection between rotating member 542 and the fixed station 7 like this, still can reduce the assembly degree of difficulty, further reduce cost.

Further, the telescopic mechanism further comprises an end connecting piece 8, the end connecting piece 8 is detachably connected with one end, far away from the driving piece 6, of the inner tube 3, one end of the second transmission screw 53 is rotatably connected with the end connecting piece 8, and the inner tube 3 can be detachably connected with the end connecting piece 8 through a structure such as a buckle or a bolt. Therefore, the upper end of the second driving screw 53 is rotationally connected and fixed with the upper end of the inner tube 3 through the end connecting piece 8, so that the second driving screw 53 can drive the inner tube 3 to lift. In this embodiment, the end of the end connection portion 8 is used to connect to a holder of the selfie stick, and the mobile phone can be fixed to the end of the selfie stick by the holder.

In summary, the principle of a telescopic mechanism provided by the application is: the outer tube 1, the middle tube 2 and the inner tube 3 are designed to be mutually nested and can slide along the axial direction, so that the outer tube 1, the middle tube 2 and the inner tube 3 cannot rotate relatively, meanwhile, the end part of the middle tube 2 is used for fixing the movable seat 42, the first transmission screw 41 is in threaded connection with the movable seat 42, and when the driving piece 6 drives the first transmission screw 41 to rotate, the movable seat 42 can be driven to move along the axial direction, and the middle tube 2 is driven to stretch relative to the outer tube 1 along the axial direction; the guide block 511 is arranged on the inner annular wall of the first gear 51, so that the guide block 511 is positioned in a screw groove of the first transmission screw 41, and the first gear 51 is limited by the gear fixing seat 55 in the freedom of movement along the axial direction, so that the first gear 51 is driven by the first transmission screw 41 to rotate; the first gear 51 drives the rotating member 542 to rotate through the second gear 52 and the connecting pipe 541, the rotating member 542 drives the second driving screw 53 to rotate through threaded connection with the second driving screw 53, one end of the second driving screw 53 is fixed with the end part of the inner pipe 3, and the inner pipe 3 is not rotatable, so that the rotating member 542 drives the second driving screw 53 to axially move, and the inner pipe 3 axially stretches and contracts relative to the central pipe 2, thereby realizing automation of a three-section telescopic structure.

It should be noted that the telescopic mechanism provided in the present application may also be applied to other scenes, such as a mop, an umbrella, an electric clothes hanger, a camera stand, etc. that apply the multi-section automatic telescopic structure, which is not described herein.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. Be applied to telescopic machanism from rapping bar, including coaxial setting and nested outer tube (1), well pipe (2) and inner tube (3) of connecting in proper order, axial sliding connection is followed with well pipe (2) in inner tube (3), well pipe (2) are along axial sliding connection with outer tube (1), its characterized in that still includes:

the first telescopic assembly (4) is used for driving the middle pipe (2) to axially slide relative to the outer pipe (1);

the second telescopic assembly (5) is used for connecting the first telescopic assembly (4) and the inner tube (3) so as to drive the inner tube (3) to axially slide relative to the middle tube (2);

and the driving piece (6) is connected with the power input end of the first telescopic component (4) and is used for providing power for the first telescopic component (4).

2. The telescopic mechanism for a selfie stick according to claim 1, wherein the first telescopic assembly (4) comprises a first drive screw (41), a mobile seat (42);

the first transmission screw (41) is arranged in an extending way along the axial direction, and the first transmission screw (41) is connected with the output end of the driving piece (6);

the movable seat (42) is connected with one end of the middle pipe (2) close to the driving piece (6), and the movable seat (42) is in threaded connection with the first transmission screw (41).

3. The telescopic mechanism for a selfie stick according to claim 2, wherein: the second telescopic assembly (5) comprises a first gear (51), a second gear (52), a second transmission screw (53) and a connecting part (54);

the first gear (51) is rotatably arranged on the movable seat (42), the first gear (51) is sleeved on the first transmission screw (41), a guide block (511) is arranged on the inner annular wall of the first gear (51), and the guide block (511) is arranged in a screw groove of the first transmission screw (41);

the second gear (52) is rotatably arranged on the movable seat (42), and the second gear (52) is meshed with the first gear (51) for transmission;

the second transmission screw rod (53) extends along the axial direction, and one end of the second transmission screw rod (53) is connected with one end of the inner tube (3) far away from the driving piece (6);

one end of the connecting component (54) is connected with the second gear (52) so that the connecting component (54) synchronously rotates along with the second gear (52), and the other end of the connecting component (54) is in threaded connection with the second transmission screw (53).

4. A telescopic mechanism for a selfie stick according to claim 3, wherein: the connecting component (54) comprises a connecting pipe fitting (541) and a rotating piece (542), the rotating piece (542) is sleeved on the second transmission screw (53) and is in threaded connection with the second transmission screw (53), the connecting pipe fitting (541) is sleeved on the second transmission screw (53), one end of the connecting pipe fitting (541) is connected with the second gear (52), and the other end of the connecting pipe fitting is connected with the rotating piece (542).

5. The telescopic mechanism for a selfie stick according to claim 4, wherein: still include fixed station (7), fixed station (7) set up in one side that driving piece (6) was kept away from to first drive screw (41), one end that driving piece (6) was kept away from to first drive screw (41) is rotated with fixed station (7) and is connected, fixed station (7) have installation through-hole (71), rotate piece (542) set up in installation through-hole (71) and rotate with fixed station (7) and be connected.

6. The telescopic mechanism for a selfie stick according to claim 1, wherein: the sliding grooves extending along the axial direction are formed in the inner walls of the outer tube (1) and the middle tube (2), sliding blocks are arranged on the outer walls of the middle tube (2) and the inner tube (3), and the sliding blocks are arranged in the sliding grooves in a sliding mode.

7. A telescopic mechanism for a selfie stick according to claim 3, wherein: the second telescopic assembly (5) further comprises a gear fixing seat (55), the gear fixing seat (55) is covered on the first gear (51) and the second gear (52), and the gear fixing seat (55) is connected with the movable seat (42).

8. A telescopic mechanism for a selfie stick according to claim 3, wherein: the novel electric motor further comprises an end connecting piece (8), wherein the end connecting piece (8) is detachably connected with one end, far away from the driving piece (6), of the inner tube (3), and one end of the second transmission screw (53) is rotatably connected with the end connecting piece (8).

9. The telescopic mechanism for a selfie stick according to claim 5, wherein: the rotating member (542) comprises a buckling part, and the buckling part is lapped on the surface of the fixed table (7) positioned at the orifice of the mounting through hole (71).

10. The telescopic mechanism for a selfie stick according to claim 4, wherein: one end of the connecting pipe fitting (541) is in buckling connection with the second gear (52), and the other end of the connecting pipe fitting (541) is in buckling connection with the rotating piece (542).