One-key linkage locking structure

Abstract

The utility model discloses a one-key linkage locking structure which comprises a second tube bank, a tube pin and a locking device, and the second tube bank is provided with a locking block and a tensioning inclined block; the locking device comprises a shell, a pulling buckle and a linkage gear, and the linkage gear is arranged in the shell; the pulling buckle is hinged to the shell so that the pulling buckle can rotate relative to the shell, and the pulling buckle is connected with the linkage gear. The second pipe row penetrates into the shell and is connected with the linkage gear, and the pulling buckle drives the second pipe row to move through the linkage gear. The tensioning inclined block is connected with the second tube row to move along with the second tube row, the locking block abuts against the second tube row and the tube pin, the moving second tube row drives the tensioning inclined block to move, and the locking state of the tube pin of the tube row is adjusted through mutual extrusion of the tensioning inclined block, the locking block and the tube pin. The device has the advantages of simple structure, compact matching, reasonable design and the like; therefore, the device is a product with excellent technical and economical performance.

Description

[Technical field]

[0001] The utility model mainly relates to a one-key linkage locking structure. [Background technology]

[0002] There are many camera tubes with retractable and tightening designs on the legs on the market. The length of the legs can be adjusted to adjust the height of the tripod according to the photographer's needs. Most of the camera tubes on the market now use two locking buckles to lock the upper and lower sections respectively. When opening or locking, you need to operate the upper and lower buckles, which is inconvenient to use. Therefore, we have improved the structure of the camera tube, reducing the number of buckles to facilitate one-click locking and adjustment. [Contents of the utility model]

[0003] In order to solve at least one of the above problems, the utility model proposes a new structural solution. The one-key linkage locking structure adopts the following technical solutions:

[0004] A one-button linkage locking structure, comprising a second tube row, a tube pin and a locking device, wherein the second tube row is provided with a locking block and a tightening bevel block;

[0005] The locking device includes a shell, a pull button and a linkage gear, and the linkage gear is placed in the shell; the pull button is hinged to the shell so that the pull button can rotate relative to the shell, and the pull button is connected to the linkage gear; the second tube row penetrates into the shell and is connected to the linkage gear, and the pull button drives the second tube row to move through the linkage gear; the tensioning bevel is connected to the second tube row to move with the second tube row, and the locking block is respectively abutted against the second tube row and the tube pin, and the moving second tube row drives the tensioning bevel to move, and the locking state of the tube pin of the tube row is adjusted by mutual extrusion of the tensioning bevel, the locking block and the tube pin.

[0006] Preferably, the locking device is fixedly connected to the first tube row, the first tube row includes a first joint, a first tube and a second joint, the first joint and the second joint are respectively connected to two ends of the first tube, and the shell is passed through and fixed to the first tube.

[0007] Preferably, the second pipe row includes a second pipe and a third joint, and the end of the second pipe is movably connected to the third joint; a driven gear is provided at the head end of the second pipe, and the tensioning bevel is connected to the end of the second pipe.

[0008] Preferably, the third joint has a movable cavity, the tube pin is movably connected to the movable cavity, the tensioning bevel block and the locking block are placed in the movable cavity, and the tube pin, the tensioning bevel block and the locking block in the movable cavity abut against each other.

[0009] Preferably, both the tensioning bevel block and the locking block are provided with inclined surfaces, and the tensioning bevel block and the locking block abut against each other through their inclined surfaces. The tensioning bevel block and the locking block abut against each other and slide relative to each other to displace the inclined surfaces, so as to press the locking block against the pin to form a clamping state.

[0010] Preferably, the pull button is provided with a transmission tooth, and the linkage gear is provided with a first follower tooth and a second follower tooth, and the first follower tooth is meshed with the transmission tooth to drive the linkage gear to rotate through the pull button.

[0011] Preferably, the driven gear has an access hole, a first rotating thread is provided in the access hole, a second rotating thread is provided at the head end of the second connecting pipe, and the head end of the second connecting pipe is screwed to the access hole so that the first rotating thread is meshed with the second rotating thread.

[0012] Preferably, the driven gear is provided with a third follower tooth, the linkage gear is connected to the driven gear so that the second follower tooth is meshed with the third follower tooth, and the rotating linkage gear drives the second pipe to move up and down through the driven gear.

[0013] Compared with the background technology, the utility model has the following beneficial effects:

[0014] The utility model provides a one-key linkage locking structure, which includes a second pipe row, a pipe pin and a locking device, wherein the second pipe row is provided with a locking block and a tightening bevel block; wherein the locking device includes a shell, a pull button and a linkage gear, and a driven gear is provided at the end of the second pipe row, the pull button, the linkage gear and the driven gear are meshed, and the pull button drives the driven gear to move through the linkage gear, so that the second pipe row and the pipe pin can move relative to each other, the tightening bevel block of the second pipe is moved, and the inclined surfaces of the tightening bevel block and the locking block are misaligned, thereby squeezing the locking block toward the pipe pin; the greater the flipping amplitude of the pull button, the greater the displacement of the second pipe row, and the tighter the locking block will squeeze the pipe pin, thereby realizing the locking function. This product has the advantages of simple structure, compact fit, and reasonable design; therefore, it is a product with superior performance in both technical and economic aspects.

Brief Description of the Drawings

[0015] Figure 1 This is a schematic diagram of the one-button linkage locking structure application in a preferred embodiment of the utility model;

[0016] Figure 2 A schematic diagram of a one-button linkage locking structure in a preferred embodiment of the utility model;

[0017] Figure 3 A schematic diagram of the first tube row, the second tube row and the tube pins in a preferred embodiment of the utility model;

[0018] Figure 4 This is a first exploded schematic diagram of the one-key linkage locking structure in a preferred embodiment of the utility model;

[0019] Figure 5 A second exploded schematic diagram of the one-key linkage locking structure in a preferred embodiment of the utility model;

[0020] Figure 6 This is a schematic diagram of the mutual meshing of the buckle, driven gear and linkage gear in the preferred embodiment provided by the present invention. [Specific implementation method]

[0021] The embodiments of the present invention are described in detail below. The embodiments are shown in the accompanying drawings, wherein the same or similar numbers throughout represent the same or similar elements or elements with the same or similar functions.

[0022] In the present invention, unless otherwise specified and limited, the terms "assembly", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can also be a mechanical connection; it can be directly connected, or it can be connected through an intermediate medium, or the two elements can be internally connected. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] The following is a further description of the specific implementation of the utility model in conjunction with the drawings of the specification, so that the technical solution and its beneficial effects of the utility model are clearer and more explicit. The following description of the embodiments with reference to the drawings is exemplary and intended to explain the utility model, but cannot be understood as limiting the utility model.

[0024] The preferred embodiment provided by the utility model is as follows: Figure 1 to Figure 6 As shown, a one-key linkage locking structure comprises a second tube row 1, a tube pin 2 and a locking device 3, wherein the second tube row 1 is provided with a locking block 11 and a tightening bevel block 12;

[0025] The locking device 3 includes a shell 4, a pull button 5 and a linkage gear 6. A core seat 9 is provided in the shell 4, and the core seat 9 is fixed to the shell 4, and the position of the core seat 9 corresponds to the assembly position of the linkage gear 6; core columns 91 extend from both sides of the core seat 9, the linkage gear 6 is connected to the core column 91 and the linkage gear 6 rotates around the core column 91, and the linkage gear 6 is placed in the shell 4; the pull button 5 is hinged to the shell 4 so that the pull button 5 can rotate relative to the shell 4, and the pull button 5 is connected to the linkage gear 6; the second tube row 1 penetrates into the shell 4 and is connected to the linkage gear 6, and the pull button 5 drives the second tube row 1 to move through the linkage gear 6; the tensioning bevel 12 is connected to the second tube row 1 to move with the second tube row 1, and the locking block 11 is respectively in contact with the second tube row 1 and the tube pin 2, and the moving second tube row 1 drives the tensioning bevel 12 to move, and the locking state of the tube pin 2 is adjusted by the mutual extrusion of the tensioning bevel 12, the locking block 11 and the tube pin 2. Furthermore, both the tensioning bevel block 12 and the locking block 11 are provided with an inclined surface 13, and the tensioning bevel block 12 and the locking block 11 are in contact with each other through their inclined surfaces 13. The tensioning bevel block 12 and the locking block 11 are in contact with each other and slide relative to each other to displace the inclined surfaces 13, so as to press the locking block 11 toward the pin 2 to form a clamping state.

[0026] The locking device 3 is fixed to the first tube row 7 , which includes a first joint 71 , a first tube 72 , and a second joint 73 . The first joint 71 and the second joint 73 are respectively connected to two ends of the first tube 72 , and the housing 4 is passed through and fixed to the first tube 72 .

[0027] The second pipe row 1 includes a second pipe 13 and a third joint 14. The third joint has a cavity to accommodate a locking block and a tensioning bevel block. The end of the second pipe 13 is movably connected to the third joint 14. The head end of the second pipe 13 is provided with a driven gear 8. The tensioning bevel block 12 is connected to the end of the second pipe 13. The third joint 14 has a movable cavity 15. The pipe pin 2 is movably connected to the movable cavity 15. The tensioning bevel block 12 and the locking block 11 are placed in the movable cavity 15. The pipe pin 2, the tensioning bevel block 12 and the locking block 11 in the movable cavity 15 abut against each other.

[0028] The pull button 5 is provided with a transmission tooth 54, and the linkage gear 6 is provided with a first follower tooth 61 and a second follower tooth 62. The first follower tooth 61 meshes with the transmission tooth 54 to drive the linkage gear 6 to rotate through the pull button 5. The first follower tooth 61 and the second follower tooth 62 are oriented perpendicularly to each other so as to respectively connect the transmission tooth 54 and the driven gear 8. The housing 4 is provided with a shaft core 41, and the pull button 5 is connected to the shaft core 41 to be hinged to the housing, and the pull button rotates with the shaft core 41 as the rotation center.

[0029] The driven gear 8 has an access hole 81, in which a first rotating thread 82 is provided, and a second rotating thread 16 is provided at the head end of the second connecting pipe 13. The head end of the second connecting pipe 13 is screwed to the access hole 81 so that the first rotating thread 82 is meshed with the second rotating thread 16; the driven gear 8 is provided with a third follower tooth 83, and the linkage gear 6 is connected to the driven gear 8 so that the second follower tooth 62 is meshed with the third follower tooth 83. The rotating linkage gear 6 drives the second connecting pipe 13 to move up and down through the driven gear 8.

[0030] This scheme proposes a structural scheme of a one-key linkage locking structure, which includes a locking device 3, a first tube row 7, a second tube row 1 and a tube pin 2. The housing 4 of the locking device is fixed to the first tube row 7, the first tube row 1 is fixed, and the second tube row 1 and the tube pin 2 can move relative to the first tube row 1. During the locking operation, the lever 5 is turned, and the lever 5, the linkage gear 6, and the driven gear 8 are meshed and linked with each other. The rotating linkage gear 6 drives the driven gear 8 to rotate, and the second tube 13 is pulled into the housing 4, so that the second tube row 1 and the tube pin 2 move relative to each other; the tensioning inclined block 12 of the second tube 1 moves, and the inclined surfaces of the tensioning inclined block 12 and the locking block 11 are misaligned, so that the locking block 11 is pressed toward the tube pin 2; the greater the flipping amplitude of the lever 5, the greater the displacement of the second tube row 1, and the tighter the locking block 11 will press the tube pin 2, and the one-key locking function of the tube row can be realized by turning the lever 5. When unlocking, the buckle 5 is also swung, and the components in the locking device 3 are linked to move the second tube row 1 downward, and the tightening bevel block 12 moves downward, the tightening bevel block 12 and the locking block 11 are loosened, and the locking block 11 is in a loosened state, and the tube pin 2 can slide freely.

[0031] In the description of the specification, the description with reference to the terms "one embodiment", "preferably", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model, and the schematic expressions of the above terms in this specification do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0032] Through the description of the above structure and principle, technicians in the relevant technical field should understand that the present invention is not limited to the above-mentioned specific implementation methods. Improvements and substitutions based on the present invention using the known technology in the field all fall within the protection scope of the present invention and should be defined by the claims.

Claims

1. A one-button linkage locking structure, characterized in that: It comprises a second pipe row, a pipe pin and a locking device, wherein the second pipe row is provided with a locking block and a tightening inclined block; The locking device includes a shell, a pull button and a linkage gear, and the linkage gear is placed in the shell; the pull button is hinged to the shell so that the pull button can rotate relative to the shell, and the pull button is connected to the linkage gear; the second tube row penetrates into the shell and is connected to the linkage gear, and the pull button drives the second tube row to move through the linkage gear; the tensioning bevel is connected to the second tube row to move with the second tube row, and the locking block is respectively abutted against the second tube row and the tube pin, and the moving second tube row drives the tensioning bevel to move, and the locking state of the tube pin of the tube row is adjusted by mutual extrusion of the tensioning bevel, the locking block and the tube pin.

2. The one-key linkage locking structure according to claim 1, characterized in that: The locking device is fixedly connected to the first pipe row. The first pipe row includes a first joint, a first pipe and a second joint. The first joint and the second joint are respectively connected to two ends of the first pipe. The shell is passed through and fixed to the first pipe.

3. The one-key linkage locking structure according to claim 1, characterized in that: The second pipe row includes a second pipe and a third joint, the end of the second pipe is movably connected to the third joint; the head end of the second pipe is provided with a driven gear, and the tensioning bevel block is connected to the end of the second pipe.

4. The one-key linkage locking structure according to claim 3, characterized in that: The third joint has an active cavity, the tube pin is movably connected to the active cavity, the tensioning bevel block and the locking block are arranged in the active cavity, and the tube pin, the tensioning bevel block and the locking block in the active cavity abut against each other.

5. The one-key linkage locking structure according to claim 1, characterized in that: The tightening bevel block and the locking block are both provided with inclined surfaces, and the tightening bevel block and the locking block abut against each other through their inclined surfaces. The tightening bevel block and the locking block abut against each other and slide relative to each other to displace the inclined surfaces, so as to press the locking block toward the pin to form a clamping state.

6. The one-key linkage locking structure according to claim 3, characterized in that: The pull button is provided with a transmission tooth, and the linkage gear is provided with a first follower tooth and a second follower tooth. The first follower tooth is meshed with the transmission tooth to drive the linkage gear to rotate through the pull button.

7. The one-key linkage locking structure according to claim 3, characterized in that: The driven gear has an access hole, in which a first rotating thread is arranged, and a second rotating thread is arranged at the head end of the second connecting pipe. The head end of the second connecting pipe is screwed to the access hole so that the first rotating thread is meshed with the second rotating thread.

8. The one-key linkage locking structure according to claim 6, characterized in that: The driven gear is provided with a third follower tooth, the linkage gear is connected to the driven gear so that the second follower tooth is meshed with the third follower tooth, and the rotating linkage gear drives the second pipe to move up and down through the driven gear.

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