CN215567087U

CN215567087U - Telescopic connection mechanism convenient to telescopically adjust

Info

Publication number: CN215567087U
Application number: CN202122173347.4U
Authority: CN
Inventors: 刘西旺; 刘淳; 袁颖
Original assignee: TIANJIN TAIBO EXHIBITION DEVICES MANUFACTURE CO LTD
Current assignee: TIANJIN TAIBO EXHIBITION DEVICES MANUFACTURE CO LTD
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-01-18
Anticipated expiration: 2031-09-09

Abstract

The utility model relates to the technical field of telescopic devices, in particular to a telescopic connecting mechanism convenient for telescopic adjustment, which comprises an outer tube, an inner rod and a connecting frame, wherein the inner rod is connected in the outer tube in a sliding manner, one side of the inner rod penetrates through the outer tube, the connecting frame is connected to the surface of the outer tube in a sliding manner, a clamping mechanism is arranged in the connecting frame and used for fixing the inner rod, a reset mechanism is arranged between the outer tube and the connecting frame and used for controlling the connecting frame to reset, the connecting frame is moved by simple push-pull, and the connecting frame fixes the adjusted lengths of the outer tube and the inner rod through the matching of the clamping mechanism and the reset mechanism, so that the outer tube and the inner rod can keep good stability after telescopic adjustment.

Description

Telescopic connection mechanism convenient to telescopically adjust

Technical Field

The utility model relates to the field of telescopic devices, in particular to a telescopic connecting mechanism convenient to telescopically adjust.

Background

The telescopic link extensively applies to each field, especially photographic goods field and electrical apparatus technical field, like the foot pipe of tripod, unipod, from rapping bar, flexible light filling lamp, live support, cell phone stand, folding fan etc..

The patent document who discloses some relevant lifesaving fields among the prior art, chinese patent with application number 201922359695.3 discloses a telescopic coupling mechanism in the pipe, including the ground foot piece, the locking block, the pressure spring, the boss, lantern ring and pipe, boss one end is provided with the cylindrical recess of being connected with the ground foot piece, the other end is provided with the thickening portion that the external diameter is the same with the pipe internal diameter, the locking block is the cavity pipe, the ground foot piece divide into pole portion and platform portion, the cylindrical recess interference fit of pole portion and boss, with clearance fit between the hole of locking block, the pressure spring cover is in the ground foot piece pole portion outside, restrict by the step portion in the cylindrical recess outside of boss and the platform portion of ground foot piece respectively.

At present, most telescopic rods are generally composed of a plurality of rod bodies, the telescopic rod is connected and adjusted through friction damping, but the telescopic rod is difficult to keep good stability after being stretched and retracted only by means of friction force, and therefore the utility model provides a telescopic connecting mechanism convenient for telescopic adjustment.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a telescopic connecting mechanism convenient for telescopic adjustment.

In order to achieve the above purposes, the technical scheme adopted by the utility model is as follows: a telescopic connecting mechanism convenient for telescopic adjustment comprises an outer tube, an inner rod and a connecting frame, wherein the inner rod is connected in the outer tube in a sliding mode, one side of the inner rod penetrates through the outer tube, the connecting frame is connected to the surface of the outer tube in a sliding mode, a clamping mechanism is arranged in the connecting frame and used for fixing the inner rod, a resetting mechanism is arranged between the outer tube and the connecting frame, and the resetting mechanism is used for controlling the connecting frame to reset; during operation, through the one end pulling carriage of keeping away from the outer tube to the inner rod, the carriage removes and makes chucking mechanism open, and chucking mechanism does not restrict outer tube and interior pole this moment to the regulation that can stretch out and draw back in making interior pole in the outer tube, interior pole is adjusted and is accomplished the back, loosens the carriage, and canceling release mechanical system makes the carriage reset, and chucking mechanism carries out the chucking with interior pole and outer tube once more after the carriage resets, makes unable removal between outer tube and the interior pole, guarantees the stability after outer tube and the interior pole are flexible.

Preferably, the clamping mechanism comprises two fixed pipes, the two fixed pipes are fixedly connected to two sides of the outer pipe, a group of sliding blocks are connected in each fixed pipe in a sliding manner, each group of sliding blocks is provided with two sliding blocks, two adjusting plates are fixedly connected to two sides of the two groups of sliding blocks, one side, close to the connecting frame, of each group of sliding blocks is movably hinged to a group of connecting rods through a hinge shaft, each group of connecting rods is provided with two connecting rods, the other ends of the two groups of connecting rods are respectively hinged to the inner wall of the connecting frame through the hinge shaft in a movable manner, one ends, close to the two adjusting plates, of the two adjusting plates are respectively fixedly connected with a clamping block, two clamping grooves are respectively drilled on two sides of the inner rod, and the two clamping blocks are respectively clamped in the two clamping grooves; the during operation, the carriage is at the in-process that removes, can make two sets of connecting rods expand, two sets of connecting rods make two sets of sliders slide respectively in two fixed intraductal, the slider in every group fixed pipe slides to opposite direction, thereby with two regulating plate jack-ups, make two fixture blocks shift out respectively from two sets of draw-in grooves, two sets of fixture blocks do not restrict interior pole, can stretch out and draw back the regulation between interior pole and the outer tube, adjust the completion back, canceling release mechanical system makes the carriage reset, two fixture blocks can joint once more in two sets of draw-in grooves, fix interior pole and outer tube, interior pole and outer tube after making flexible regulation can remain stable.

Preferably, the reset mechanism comprises two groups of fixing pieces, the two groups of fixing pieces are respectively and fixedly connected to two sides of the outer tube, each group of fixing pieces is two, a fixing rod is fixedly connected between the two fixing pieces of each group, the connecting frame is connected to the surfaces of the two fixing rods in a sliding manner, reset springs are sleeved on the surfaces of the two fixing rods, and the two reset springs are located in the connecting frame; during operation, two sets of stationary blades support two dead levers respectively, the carriage can slide on the surface of two dead levers when making chucking mechanism open, two dead levers make the slip of carriage remain stable, the carriage compresses two reset spring simultaneously, after interior pole and outer tube telescopic adjustment accomplish, loosen the carriage, the elasticity that two reset spring produced promotes the carriage, make the carriage reset through the slip between two dead levers, thereby make two fixture blocks joint restrict interior pole and outer tube in two sets of draw-in grooves once more.

Preferably, one side of the outer pipe is rotatably connected with a rotating strip, the rotating strip corresponds to the connecting frame, one side of the fixed pipe is fixedly connected with a limiting shaft, and the limiting shaft corresponds to the rotating strip; during operation, when the carriage removes to make chucking mechanism open, through will changeing the strip and rotate to spacing epaxial, change the strip and withhold the carriage to make chucking mechanism obtain keeping opening state, make things convenient for the staff to carry out flexible regulation to outer tube and interior pole.

Preferably, one side of the outer pipe is fixedly connected with a mounting block; during operation, the installation piece makes can carry out better installation between outer tube and the external device.

Preferably, the ends of the outer pipe and the inner rod, which are far away from each other, are both sleeved with protective sleeves; during operation, two lag protect outer tube and interior pole, avoid the edges and corners of outer tube and interior pole to hinder the human body.

Compared with the prior art, the utility model has the following beneficial effects:

when the outer pipe and the inner rod need to be adjusted in a telescopic mode, the connecting frame is pulled towards one end, far away from the outer pipe, of the inner rod, the connecting frame moves to enable the clamping mechanism to be opened, at the moment, the clamping mechanism does not limit the outer pipe and the inner rod, so that the inner rod can be adjusted in the outer tube in a telescopic way, after the inner rod is adjusted, the connecting frame is loosened, the connecting frame is reset by the resetting mechanism, the inner rod and the outer tube are clamped by the clamping mechanism again after the connecting frame is reset, the outer tube and the inner rod cannot move, and the stability of the outer tube and the inner rod after being stretched is ensured. Make the carriage remove through simple push-and-pull, the length after the carriage is adjusted outer tube and interior pole through chucking mechanism and canceling release mechanical system's cooperation is fixed, can keep good stability after making outer tube and interior pole flexible regulation, and this mechanism operation is simple, has good practicality.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is an enlarged view taken at A of FIG. 2 according to the present invention;

FIG. 4 is a first cross-sectional view of the present invention;

FIG. 5 is an enlarged view of FIG. 4 taken at B in the present invention;

FIG. 6 is a second cross-sectional view of the present invention;

FIG. 7 is an enlarged view of FIG. 6 at C in the present invention.

In the figure: 1. an outer tube; 2. an inner rod; 3. a connecting frame; 4. a fixed tube; 401. a slider; 402. an adjusting plate; 403. a connecting rod; 404. a clamping block; 405. a card slot; 5. a fixing sheet; 501. fixing the rod; 502. a return spring; 6. strip turning; 7. a limiting shaft; 8. mounting blocks; 9. a protective sleeve.

Detailed Description

The following description is presented to disclose the utility model so as to enable any person skilled in the art to practice the utility model. 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.

As shown in fig. 1-7, the telescopic connection mechanism convenient for telescopic adjustment includes an outer tube 1, an inner rod 2 and a connection frame 3, the inner rod 2 is slidably connected in the outer tube 1, one side of the inner rod 2 penetrates through the outer tube 1, the connection frame 3 is slidably connected on the surface of the outer tube 1, a clamping mechanism is arranged in the connection frame 3, the clamping mechanism is used for fixing the inner rod 2, a reset mechanism is arranged between the outer tube 1 and the connection frame 3, and the reset mechanism is used for controlling the connection frame 3 to reset; during operation, through the one end pulling carriage 3 of keeping away from outer tube 1 to

interior pole

2, 3 removal messenger chucking mechanisms of carriage open, chucking mechanisms do not restrict outer tube 1 and interior pole 2 this moment, thereby make interior pole 2 can carry out flexible regulation in outer tube 1, interior pole 2 is adjusted and is accomplished the back, loosen carriage 3, canceling release mechanical system makes carriage 3 reset, carriage 3 resets back chucking mechanisms again with interior pole 2 and outer tube 1 carry out the chucking, make unable removal between outer tube 1 and the interior pole 2, guarantee the stability after outer tube 1 and interior pole 2 stretch out and draw back.

The clamping mechanism comprises two fixed tubes 4, the two fixed tubes 4 are fixedly connected to two sides of the outer tube 1, a group of sliding blocks 401 are slidably connected in the two fixed tubes 4, each group of sliding blocks 401 is two, adjusting plates 402 are fixedly connected to two sides of the two groups of sliding blocks 401, one sides, close to the connecting frame 3, of the two groups of sliding blocks 401 are movably hinged to a group of connecting rods 403 through hinge shafts, each group of connecting rods 403 is two, the other ends of the two groups of connecting rods 403 are movably hinged to the inner wall of the connecting frame 3 through hinge shafts respectively, clamping blocks 404 are fixedly connected to one ends, close to the two adjusting plates 402, of the inner rod 2, a group of clamping grooves 405 are drilled in two sides of the inner rod 2, and the two clamping blocks 404 are clamped in the two clamping grooves 405 respectively; the during operation, the in-process that the connecting frame 3 was removing can make two sets of connecting rods 403 expand, two sets of connecting rods 403 make two sets of sliders 401 slide in two fixed pipes 4 respectively, slider 401 in every fixed pipe 4 of group slides to opposite direction, thereby with two regulating plates 402 jack-ups, make two fixture blocks 404 shift out in two sets of draw-in grooves 405 respectively, two sets of fixture blocks 404 do not restrict interior pole 2, can stretch out and draw back between interior pole 2 and the outer tube 1 and adjust, adjust the completion back, canceling release mechanical system makes connecting frame 3 reset, two fixture blocks 404 can joint in two sets of draw-in grooves 405 once more, fix interior pole 2 and outer tube 1, interior pole 2 and outer tube 1 after making flexible the regulation can remain stable.

The reset mechanism comprises two groups of fixing pieces 5, the two groups of fixing pieces 5 are respectively and fixedly connected to two sides of the outer tube 1, each group of fixing pieces 5 is two, a fixing rod 501 is fixedly connected between the two fixing pieces 5 of each group, the connecting frame 3 is connected to the surfaces of the two fixing rods 501 in a sliding manner, the surfaces of the two fixing rods 501 are respectively sleeved with a reset spring 502, and the two reset springs 502 are both positioned in the connecting frame 3; the during operation, two sets of stationary blades 5 support two dead levers 501 respectively, the carriage 3 can slide on the surface of two dead levers 501 when making chucking mechanism open, two dead levers 501 make the slip of carriage 3 remain stable, carriage 3 compresses two reset spring 502 simultaneously, after interior pole 2 and the flexible regulation of outer tube 1 are accomplished, loosen carriage 3, the elasticity that two reset spring 502 produced promotes carriage 3, make carriage 3 reset through the slip between two dead levers 501, thereby make two fixture blocks 404 joint restrict interior pole 2 and outer tube 1 in two sets of draw-in grooves 405 once more.

One side of the outer tube 1 is rotatably connected with a rotating strip 6, the rotating strip 6 corresponds to the connecting frame 3, one side of the fixed tube 4 is fixedly connected with a limiting shaft 7, and the limiting shaft 7 corresponds to the rotating strip 6; the during operation, when the carriage 3 removed and makes chucking mechanism open, through will changeing strip 6 and rotate to spacing epaxial 7, change strip 6 and withstand carriage 3 to make chucking mechanism obtain keeping opening state, make things convenient for the staff to carry out flexible regulation to outer tube 1 and interior pole 2.

One side of the outer pipe 1 is fixedly connected with a mounting block 8; in operation, the mounting block 8 enables better mounting between the outer tube 1 and an external device.

The protecting sleeves 9 are sleeved at the ends, far away from the outer pipe 1 and the inner rod 2, of the outer pipe; during operation, two lag 9 protect outer tube 1 and interior pole 2, avoid the edges and corners of outer tube 1 and interior pole 2 to hinder the human body.

The working principle of the utility model is as follows:

when the outer tube 1 and the inner tube 2 need to be telescopically adjusted, the connecting frame 3 is pulled towards one end of the inner tube 2, which is far away from the outer tube 1, so that two groups of connecting rods 403 are unfolded in the moving process of the connecting frame 3, two groups of sliding blocks 401 respectively slide in the two fixed tubes 4 through the two groups of connecting rods 403, the sliding blocks 401 in each group of fixed tubes 4 slide in opposite directions, so that the two adjusting plates 402 are jacked up, two clamping blocks 404 are respectively moved out of the two groups of clamping grooves 405, the inner rod 2 is not limited by the two groups of clamping blocks 404, telescopic adjustment can be carried out between the inner rod 2 and the outer tube 1, after adjustment is finished, the connecting frame 3 is reset through the resetting mechanism, the two clamping blocks 404 are clamped in the two groups of clamping grooves 405 again to fix the inner rod 2 and the outer tube 1, so that the inner rod 2 and the outer tube 1 after telescopic adjustment can be kept stable, after the connecting frame 3 is reset, the inner rod 2 and the outer tube 1 are clamped again through the clamping mechanism, the outer tube 1 and the inner rod 2 can not move, and the stability of the outer tube 1 and the inner rod 2 after stretching is guaranteed.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. 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 utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined by the appended claims and their equivalents.

Claims

1. The utility model provides a convenient flexible coupling mechanism who adjusts, includes outer tube (1), interior pole (2) and carriage (3), its characterized in that, interior pole (2) sliding connection runs through outer tube (1) in outer tube (1), and one side of interior pole (2), carriage (3) sliding connection is in the surface of outer tube (1), be provided with chucking mechanism in carriage (3), chucking mechanism is used for fixing interior pole (2), be provided with canceling release mechanical system between outer tube (1) and carriage (3), canceling release mechanical system is used for controlling carriage (3) and resets.

2. The telescopic connection mechanism convenient for telescopic adjustment according to claim 1, wherein the clamping mechanism comprises two fixed tubes (4), the two fixed tubes (4) are fixedly connected to both sides of the outer tube (1), a set of sliding blocks (401) are slidably connected in the two fixed tubes (4), each set of sliding blocks (401) is two, adjusting plates (402) are fixedly connected to both sides of the two sets of sliding blocks (401), one side of each set of sliding blocks (401) close to the connection frame (3) is movably hinged with a set of connecting rods (403) through a hinge, each set of connecting rods (403) is two, the other ends of the two sets of connecting rods (403) are respectively movably hinged to the inner wall of the connection frame (3) through hinges, clamping blocks (404) are fixedly connected to one ends of the two adjusting plates (402) close to each other, a set of clamping grooves (405) are drilled on both sides of the inner rod (2), and the two clamping blocks (404) are respectively clamped in the two clamping grooves (405).

3. The telescopic connection mechanism convenient for telescopic adjustment according to claim 2, wherein the reset mechanism comprises two sets of fixing plates (5), two sets of fixing plates (5) are respectively and fixedly connected to two sides of the outer tube (1), and two fixing plates (5) are provided for each set, a fixing rod (501) is fixedly connected between two fixing plates (5) in each set, the connection frame (3) is slidably connected to the surfaces of two fixing rods (501), a reset spring (502) is sleeved on each surface of two fixing rods (501), and two reset springs (502) are located in the connection frame (3).

4. The telescopic connection mechanism convenient for telescopic adjustment according to claim 3, wherein one side of the outer tube (1) is rotatably connected with a rotating strip (6), the rotating strip (6) corresponds to the connection frame (3), one side of the fixed tube (4) is fixedly connected with a limiting shaft (7), and the limiting shaft (7) corresponds to the rotating strip (6).

5. A telescopic connection mechanism facilitating telescopic adjustment according to claim 4, wherein a mounting block (8) is fixedly connected to one side of the outer tube (1).

6. A telescopic connection mechanism convenient for telescopic adjustment according to claim 5, characterized in that the ends of the outer tube (1) and the inner rod (2) far away from each other are sleeved with a protective sleeve (9).