TWI735341B - Rod fixing structure - Google Patents

Abstract

The present invention provides a rod fixing structure, which is a fixed structure accommodated in a telescopic rod, and a second rod and a third rod are linked through the rod fixing structure. The structure includes a The body at one end of the second rod, a fixed module housed in the body, and an engaging module with a first engaging unit and a second engaging unit, when the first rod is in the second When the rod moves inside, the clamping module is moved upwards by the first rod, pushing the fixed module to release the connection between the third rod and the second rod. When the first rod The rod continues to move upward in the second rod, and the pushed fixed module bounces back into place. At this time, the clamping module of the first rod is engaged with the fixed module of the second rod to achieve Link the second rod to move upward.

Description

Rod fixing structure

The present invention relates to an improvement of a fixing structure, and more specifically, it refers to a fixing structure for telescopic rods.

Generally, multi-section telescopic rods are often used in the fields of mobile antennas, lights, telecommunications signal transmission, photography and monitors. The structure of conventional multi-section telescopic rods is composed of multiple sections with different diameters. The rod is extended or shortened by hydraulic or air pressure. Please refer to Figure 1 and Figure 2. It is a schematic diagram of the structure of a conventional telescopic rod. As shown in the figure, the structure includes expansion and contraction. The rod group 11, the driving rod group 12 and the power source 13, wherein the telescopic rod group 11 is composed of a plurality of telescopic rods sleeved, and the driving rod group 12 is composed of a plurality of hydraulic cylinder rods sleeved through a buckle ring Combining the telescopic rod group and the driving rod group (not shown), the power source 13 provides the driving force required for the telescopic rod group 11 to expand. However, this setting method requires the driving rod group 12 to be combined with the telescopic rod group 11. The telescopic rod assembly 11 is then linked by the drive rod assembly 12 to perform the upward and downward movement of the rods, resulting in a complicated and large structure design.

Please refer to Figure 3, which is a schematic diagram of US Patent No. US4062156. As shown in the figure, the telescopic rod fixing structure includes an annular body 21 arranged at one end of the rod, a spring 22 arranged in the annular body, and One set on the spring 22 one The ball 23 at the end and the groove 24 corresponding to the position of the ball 23. When the first rod moves in the second rod, the ball 23 is squeezed into the ring body 21. When the first rod moves After the member is fully extended, the ball 23 is pushed out of the ring body 21 due to the reaction force generated by the spring 22 and enters the groove 24 at the corresponding position to achieve the purpose of fixing the rod. However, this arrangement is When the weight of the rod is greater than the K value of the spring, the rod is retracted into the ring body to cause the rod to slip off, so that the rod cannot achieve an effective fixing of the rod structure.

In view of the shortcomings of the above-mentioned conventional technology, the main purpose of the present invention is to provide a rod fixing structure, through which the fixing module and the clamping module can achieve the purpose of fixing the telescopic rod.

Another object of the present invention is to provide a rod fixing structure that unlocks the second rod at the same time when the first rod and the second rod are locked through the fixing module and the clamping module And the third rod, so as to achieve the purpose of interlocking the telescopic rod.

In order to achieve the above objective, the present invention provides a rod fixing structure, which is a fixed structure accommodated in a telescopic rod. The second rod and the third rod are linked through the rod fixing structure. The structure is It includes a main body arranged at one end of the second rod, a fixed module housed in the main body, and a clamping module with a first clamping unit and a second clamping unit. When the first rod When the member moves in the second rod, the clamping module is moved upwards by the first rod, and pushes the fixed module to release the arrangement on the third rod and the second rod. For the connection between the rods, when the first rod continues to move upward in the second rod, a rod fixing structure that links the second rod to move upward is achieved.

11: Telescopic rod group

12: Drive rod group

13: Power source

21: Ring

22: Spring

23: Sphere

24: Groove

4: Rod fixing structure

41: The first member

42: second member

43: third member

44: body

45: fixed module

46: Snap module

451: Activity Unit

452: fixed unit

453: The first snap unit

454: second snap unit

455: Elastic Unit

456: Rotating Unit

457: The first activity unit

458: The second activity unit

461: The first snap unit

462: The second snap unit

B: Inclined plane

V: groove

Figures 1 and 2 are schematic diagrams of the conventional telescopic rod structure; Figure 3 is a schematic diagram of US Patent No. US4062156; Figure 4 is a schematic diagram of the rod fixing structure of the present invention; Figure 5 is a schematic view of the rod of the present invention Fig. 6A, Fig. 6B and Fig. 6C are schematic diagrams of the action of the rod fixing structure of the present invention; Fig. 7 is a schematic diagram of the second embodiment of the rod fixing structure of the present invention; 8A to 8D are schematic diagrams of the operation of the second embodiment of the rod fixing structure of the present invention; and Figs. 9A to 9C are schematic diagrams of the operation of the third embodiment of the rod fixing structure of the present invention.

The following is a specific example to illustrate the implementation of the present invention. Those familiar with the art can understand other advantages and effects of the present invention from the contents disclosed in this specification.

Please refer to Figure 4, which is a schematic diagram of the rod fixing structure of the present invention. As shown in the figure, it is a rod fixing structure 4 housed in a telescopic rod. The telescopic rod has a first rod 41, a second rod 42, and a third rod 43. The fixing structure 4 respectively links the second rod 42 and the third rod 43. The structure includes a body 44 disposed at one end of the second rod 42 and having an accommodating space, and a body 44 disposed in the accommodating space The fixing module 45 inside, and an engaging module 46 having a first engaging unit 461 and a second engaging unit 462, wherein the body 44 is a ring-shaped body ringed at one end of the second rod 42 Please refer to Figure 5, which is a schematic diagram of the fixed module of the rod fixing structure of the present invention. As shown in the figure, the fixed module 45 has a movable unit 451 and a fixed unit disposed on one side of the movable unit 451 452, and plural correspondingly arranged on both sides of the movable unit 451, have a first buckle unit 453 and a second buckle unit 454 with a slope B structure, wherein the fixed module 45 has plural springs or reeds among them A formed elastic unit 455.

Please refer to Figures 6A and 6C, which are schematic diagrams of the action of the rod fixing structure of the present invention. As shown in the figure, the first engaging unit 461 is disposed at one end of the first rod 41, when the first card When the engaging unit 461 moves into the main body 44, one end of the first engaging unit 461 abuts against the slope side of the first engaging unit 453, and when the first rod moves upward in the second rod, The first locking unit 461 is moved upwards by the first rod, and pushes the side of the slope B of the first locking unit 453. Since the movable unit 451 is fixed by the fixing unit 452, it is subjected to the first locking The unit 461 pushes the side of the slope B of the first locking unit 453 to cause the first locking unit 453 to swing against the direction of the first locking unit 461, the same At this time, the second locking unit 454 is caused to swing in the opposite direction, the second locking unit 462 provided between the third rod and the second rod is released, and a reverse force is generated through the elastic unit 455, To enable the second locking unit 462 and the second locking unit 454 to release the locking, when the first rod continues to move upward in the second rod, the first locking unit 453 is counteracted by the elastic unit 455 The force generates a return displacement, so that the first buckle unit 453 enters the groove V of the first buckle unit 461, and the first buckle unit 453 and the first buckle unit 461 are fixedly locked. The buckle unit 453 and the first engaging unit 461 generate a fixed lock to move the second rod upwardly, so as to achieve the purpose of moving the second rod upwardly.

Please refer to FIG. 7, which is a schematic diagram of the second embodiment of the rod fixing structure of the present invention. As shown in the figure, the structure includes a body 44 provided at one end of the second rod and having an accommodating space. A fixed module 45 arranged in the accommodating space, and an engaging module 46 having a first engaging unit 461 and a second engaging unit 462. The fixed module 45 has a rotating unit 456 and a mounting The fixed unit 452 on the axis of the rotating unit 456, and a plurality of corresponding first movable units 457 and second movable units 458 arranged on both sides of the rotating unit 456, wherein the rotating unit 456 is a gear, and the first movable unit 456 is a gear. A movable unit 457 and the second movable unit 458 are racks with a slope.

Please refer to Figures 8A to 8D, which are schematic diagrams of the action of the second embodiment of the rod fixing structure of the present invention. As shown in the figure, when the first rod moves upward in the second rod (not shown) Show), the first engaging unit 461 is moved upwardly by the first rod, and one side of the first engaging unit 461 faces the first A movable unit 457 pushes, causing the first movable unit 457 to move relative to the pushing direction. Since the axis of the rotating unit 456 is fixed by the fixed unit 452, the rotating unit 456 generates a corresponding first movable unit 457. The rotation in the moving direction simultaneously drives the second movable unit 458 on the other side to move in a relative direction, and at the same time releases the connection of the second engaging unit 462 provided between the third rod and the second rod. When the first A rod continues to move upward in the second rod. Because the first engaging unit 461 is buckled with the first movable unit 457, the first rod is linked to the second rod to move upward.

Please refer to FIGS. 9A to 9C, which are schematic diagrams of the action of the third embodiment of the rod fixing structure of the present invention. As shown in the figure, the second engaging unit 462 is a plate, and when the rod is not in motion , The second locking unit 454 abuts against the second locking unit 462, when the first rod member moves upward in the second rod member (not shown), the first locking unit 461 abuts against The inner side of the main body 44 enables the main body 44 to move the second rod in the third rod. When the first rod continues to move upward, the second rod also continues to move in the third rod , The movable unit 451 receives the reaction force of the elastic unit 455, causing the movable unit 451 to generate a position recovery action, and at the same time, it is buckled with the first buckling unit 453 in the groove V of the first buckling unit 461, In order to achieve the purpose of linking the first rod and the second rod at the same time.

The above-mentioned embodiments are only illustrative of the features and effects of the present invention, and are not used to limit the scope of the essential technical content of the present invention. Anyone who is familiar with this technique can do the same without departing from the spirit and scope of the present invention Modifications and changes were made to the above examples. Therefore, the scope of protection of the rights of the present invention should be listed in the scope of patent application described later.

4: Rod fixing structure

41: The first member

42: second member

43: third member

44: body

45: fixed module

46: Snap module

461: The first snap unit

462: The second snap unit

Claims (7)

A rod fixing structure, which is a fixing structure accommodated in a telescopic rod, a second rod and a third rod are linked through the rod fixing structure, and the structure includes: a body, which is arranged At one end of the second rod, and the body is a ring-shaped body with an accommodating space; a fixed module is arranged in the accommodating space, has a movable unit, and a side of the movable unit A fixed unit, and a plurality of correspondingly arranged first buckle units and second buckle units on both sides of the movable unit; and a clamping module having a first clamping unit and a second clamping unit, wherein, The first engaging unit is arranged between the body and the fixed module. When a first rod moves upward in the second rod, the first engaging unit is moved upwards by the first rod. , The first buckle unit is pushed, because one side of the movable unit is fixed by the fixed unit, and the first buckle unit is pushed by the first buckle unit, so that the first buckle unit produces the opposite of the first buckle The swing in the direction of the closing unit simultaneously causes the second locking unit to swing in the opposite direction, and the second locking unit provided between the third rod and the second rod is released from the connection. When the first rod continues Moving upward in the second rod, the first engaging unit is combined with the first buckling unit, and the second rod is linked to move upward. According to the rod fixing structure described in item 1 of the scope of patent application, the first buckle unit and the second buckle unit have an inclined surface. According to the rod fixing structure described in item 1 of the scope of patent application, the first engaging unit and the second engaging unit have a groove. A rod fixing structure, which is a fixing structure accommodated in a telescopic rod, a second rod and a third rod are linked through the rod fixing structure, and the structure includes: a body, which is arranged At one end of the second rod, and the body is a ring-shaped body with an accommodating space; a fixed module is arranged in the accommodating space, has a rotating unit, and a rotating unit shaft center A fixed unit, and a plurality of first movable units and second movable units correspondingly arranged on both sides of the rotating unit; and a clamping module having a first clamping unit and a second clamping unit, wherein the first An engaging unit is arranged between the main body and the fixed module. When a first rod member moves upward in the second rod member, the first engaging unit is moved upward in conjunction with the first rod member, and Pushing the first movable unit produces a radial movement relative to the pushing direction, and links the rotating unit to produce a rotation in one direction, and at the same time causes the second movable unit on the other side to move in a relative direction, and releases the setting in the third The connection between the rod and the second engaging unit between the second rod, when the first rod continues to move upward in the second rod, the first engaging unit is combined with the second movable unit, and Link the second rod to move upward. For the rod fixing structure described in item 4 of the scope of patent application, the first movable unit and the second movable unit have an inclined surface. For the rod fixing structure described in item 4 of the scope of patent application, the movable unit is a rack. For the rod fixing structure described in item 4 of the scope of patent application, the rotating unit is a gear.

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