CN210600915U - Multistage quick adjustment mechanism - Google Patents
Multistage quick adjustment mechanism Download PDFInfo
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- CN210600915U CN210600915U CN201921022563.5U CN201921022563U CN210600915U CN 210600915 U CN210600915 U CN 210600915U CN 201921022563 U CN201921022563 U CN 201921022563U CN 210600915 U CN210600915 U CN 210600915U
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Abstract
The utility model discloses a multistage quick adjustment mechanism, including first foot pipe, be connected with its gliding second foot pipe relatively on the first foot pipe, be connected with its gliding third foot pipe relatively on the second foot pipe, the one end of second foot pipe is equipped with the first locking device that can lock first foot pipe, the other end is equipped with and links and can lock the second locking device of second foot pipe and third foot pipe relative position with first locking device, be equipped with the linkage piece that can drive the linkage of second locking device when first locking device moves between second locking device and the first locking device. When a user controls the first locking device to lock or unlock the relative position of the second pin tube and the first pin tube to enable the second pin tube and the first pin tube to slide relatively, the second locking device can be simultaneously controlled by the linkage piece to lock or unlock the relative position of the second pin tube and the third pin tube to enable the second pin tube and the third pin tube to slide relatively, so that three-section pin tubes can be adjusted, the structure is simple, and the adjustment is convenient.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a photographic auxiliary equipment that makes a video recording especially relates to a multistage quick adjustment mechanism.
[ background of the invention ]
Cameras, video cameras, and other video recording devices are widely used in daily life and work as a means for recording images. In order to meet the actual use requirements of people, a foot tube with a telescopic fastening design is generally arranged on the foot rest.
At present, most of foot stands in the market are of telescopic foot tube structures connected by a plurality of foot tubes, and the foot tubes are locked or loosened by adopting a threaded knob or a wrenching extrusion mode, so that each foot tube can be adjusted. However, no matter the foot rest is in a threaded knob type or in a wrenching extrusion type, the distance between each section of the tube of the foot rest is inevitably required to be independently adjusted, the operation is very complicated, the requirement of a user for quickly fixing photographic equipment cannot be met, and inconvenience is brought to the user. Taking a three-section tripod with each leg comprising three leg tubes as an example, each of two adjacent leg tubes has one adjusting joint, the whole tripod has six adjusting joints, and in order to meet the use requirement, the length of each leg tube is adjusted, the six adjusting joints need to be adjusted, and when the adjusting joint at the lowest position is adjusted, a user often needs to bend down to adjust the adjusting joint, the whole process is quite cumbersome and inconvenient, so that the telescopic adjusting mechanism in the prior art still needs to be improved.
[ Utility model ] content
The utility model aims at overcoming the defects of the prior art and providing a multistage quick adjusting mechanism with simple structure and convenient adjustment.
The utility model discloses a realize through following technical scheme:
the utility model provides a multistage quick adjustment mechanism, including first foot pipe 1, be connected with on the first foot pipe 1 and can be relative its gliding second foot pipe 2, be connected with on the second foot pipe 2 and can be relative its gliding third foot pipe 3, the one end of second foot pipe 2 is equipped with the first locking device 5 that can lock second foot pipe 2 and first foot pipe 1 relative position, the other end of second foot pipe 2 is equipped with and links with first locking device 5 and can lock second foot pipe 2 and third foot pipe 3 relative position's second locking device 4, be equipped with the linkage 9 that can drive second locking device 4 linkage when first locking device 5 moves between second locking device 4 and the first locking device 5.
The multistage quick adjustment mechanism is characterized in that the first locking device 5 comprises a first pipe connecting block 12 which is arranged at the upper end of the second pipe leg 2 and is used for the first pipe leg 1 to pass through, a first locking block 13 which can be matched with the first pipe connecting block to loosen or clamp the first pipe leg 1 is arranged on one side of the first pipe connecting block 12, and a first driving component 6 which is connected with the first locking block 13 and can drive the first locking block 13 to move relative to the first pipe connecting block 12 is arranged on the other side of the first pipe connecting block 12.
The multi-stage quick adjusting mechanism is characterized in that the first driving assembly 6 comprises a rod member 14 which is connected with the first locking block 13 and penetrates through the first pipe joint block 12, a shaft 61 is connected onto the rod member 14, a cam handle 62 which can rotate around the shaft 61 and drive the first locking block 13 to loosen or lock the first foot pipe 1 when rotating is sleeved on the shaft 61, the linkage member 9 is connected onto the cam handle 62, and a first spring 15 which can reset the first locking block 13 is arranged between the first locking block 13 and the first pipe joint block 12.
The multistage quick adjustment mechanism is characterized in that the second locking device 4 comprises a second pipe connecting block 7 which is arranged at the lower end of the second pipe leg 2 and is used for the third pipe leg 3 to pass through, a second locking block 8 which can be matched with the second pipe connecting block 7 to loosen or clamp the third pipe leg 3 is arranged on one side of the second pipe connecting block 7, the linkage piece 9 is connected to the second locking block 8 and can drive the second locking block 8 to loosen or clamp the third pipe leg 3 during movement, and a second spring 11 which can reset the second locking block 8 is arranged between the second locking block 8 and the second pipe connecting block 7.
The multistage quick adjustment mechanism is characterized in that the second pipe connecting block 7 slides up and down and drives the second locking block 8 to loosen or clamp the sliding block 16 of the third pipe leg 3 when sliding, the linkage 9 is a steel wire, the upper end of the linkage is connected to the cam handle 62, the lower end of the linkage is connected to the sliding block 16, the sliding block 16 is provided with a first inclined surface 161, the second locking block 8 is provided with a second inclined surface 81, when the sliding block 16 is driven by the steel wire to slide upwards, the first inclined surface 161 of the sliding block pushes the second inclined surface 81 of the second locking block 8 to enable the second locking block 8 to clamp the third pipe leg 3, and a third spring 19 capable of pushing the sliding block 16 when the first locking device 5 is unlocked is arranged between the second locking block and the second pipe connecting block 7.
The multi-stage quick adjustment mechanism is characterized in that the linkage member 9 is a steel wire, the upper end of the linkage member is connected to the cam handle 62, the lower end of the linkage member passes through the second locking block 8 to be connected with the second pipe connecting block 7, and the steel wire is tensioned when the cam handle 62 rotates, so that the second locking block 8 is pressed to the third pipe 3.
The multi-stage quick adjustment mechanism is characterized in that the first pipe joint block 12 is provided with a guide sliding piece 10 on which the linkage piece 9 slides.
The multi-stage quick adjustment mechanism is characterized in that the slide guide member 10 is a roller capable of rotating relative to the first pipe joint block 12.
The multi-stage quick adjustment mechanism is characterized in that the slide guide 10 is provided with a slide guide sleeve for the linkage 9 to pass through.
The multi-stage quick adjustment mechanism is characterized in that the linkage member 9 is sleeved with a guide sleeve 17 for guiding and positioning, and two ends of the guide sleeve 17 penetrate through the inner cavity of the second pin tube 2 and are respectively connected to the first tube connecting block 12 and the second tube connecting block 7.
Compared with the prior art, the utility model discloses there is following advantage:
1. the utility model relates to a multistage quick adjusting mechanism, one end of a second pin tube 2 is provided with a first locking device 5 which can lock the relative position of the second pin tube 2 and a first pin tube 1, the other end of the second pin tube 2 is provided with a second locking device 4 which is linked with the first locking device 5 and can lock the relative position of the second pin tube 2 and a third pin tube 3, a linkage piece 9 which can drive the linkage of the second locking device 4 when the first locking device 5 acts is arranged between the second locking device 4 and the first locking device 5, when a user controls the first locking device 5 to lock the relative position of the second pin tube 2 and the first pin tube 1, the first locking device 5 is linked with the second locking device 4 through the linkage piece 9, so that the second locking device 4 locks the relative position of the second pin tube 2 and the third pin tube 3, and when the first locking device 5 is unlocked and the second pin tube 2 and the first pin tube 1 can slide relatively, the first locking device 5 is linked with the second locking device 4 through the linkage piece 9, the second locking device 4 is unlocked, and therefore the second pin tube 2 and the third pin tube 3 can slide relatively, the three-section pin tube can be adjusted, the structure is simple, and adjustment is convenient.
2. The utility model discloses a multistage quick adjustment mechanism is equipped with in the first union coupling piece 12 and supplies the steel wire to slide the sliding part 10 that leads that turns to above that for reduce the friction of steel wire in transmission process, make and adjust more smoothly.
3. The utility model discloses a multistage quick adjustment mechanism, the cover is equipped with the uide bushing 17 that is used for guiding orientation on the linkage 9, and the inner chamber that the both ends of uide bushing 17 passed second foot pipe 2 is connected respectively first union coupling piece 12 and second union coupling piece 7 on, play guiding orientation's effect, simple structure and compactness moreover.
[ description of the drawings ]
Fig. 1 is a front view of embodiment 1 of the multi-stage quick adjustment mechanism of the present invention;
fig. 2 is an exploded view of the embodiment 1 of the multi-stage quick adjustment mechanism of the present invention;
FIG. 3 is a cross-sectional view at F-F of FIG. 1;
FIG. 4 is a cross-sectional view taken at B-B of FIG. 1;
fig. 5 is a schematic structural view of a first locking device according to embodiment 1 of the present invention;
fig. 6 is a schematic structural view of a second locking device according to embodiment 1 of the present invention;
FIG. 7 is a cross-sectional view taken at A-A of FIG. 1;
FIG. 8 is an enlarged view of a portion of FIG. 7 at I;
FIG. 9 is an enlarged view of a portion of FIG. 7 at II;
fig. 10 is a partial sectional view of embodiment 1 of the present invention;
FIG. 11 is an enlarged view of a portion of FIG. 10 at III;
fig. 12 is a front view of embodiment 2 of the multi-stage quick adjustment mechanism of the present invention;
fig. 13 is an exploded view of embodiment 2 of the present invention;
FIG. 14 is a cross-sectional view at G-G of FIG. 12;
FIG. 15 is a cross-sectional view taken at D-D of FIG. 12;
fig. 16 is a schematic structural view of a first locking device according to embodiment 2 of the present invention;
fig. 17 is a schematic structural view of a second locking device according to embodiment 2 of the present invention;
FIG. 18 is a cross-sectional view taken at C-C of FIG. 12;
FIG. 19 is an enlarged view of a portion of FIG. 18 at IV;
FIG. 20 is an enlarged view of a portion of FIG. 18 at V;
FIG. 21 is a cross-sectional view taken at E-E of FIG. 12;
fig. 22 is a schematic view of the multi-stage quick adjustment mechanism according to the present invention in a telescopic usage state;
fig. 23 is a schematic perspective view of a tripod with a multi-stage quick adjustment mechanism of the present invention;
[ detailed description ] embodiments
The invention will be further described with reference to the accompanying drawings:
example 1:
as shown in fig. 1 to 11, a multistage quick adjustment mechanism includes a first leg tube 1, a second leg tube 2 capable of sliding relative to the first leg tube 1 is connected to the first leg tube 1, a third leg tube 3 capable of sliding relative to the second leg tube 2 is connected to the second leg tube 2, a first locking device 5 capable of locking the relative position of the second leg tube 2 and the first leg tube 1 is disposed at one end of the second leg tube 2, a second locking device 4 capable of locking the relative position of the second leg tube 2 and the third leg tube 3 is disposed at the other end of the second leg tube 2, and a linkage member 9 capable of driving the second locking device 4 to link when the first locking device 5 acts is disposed between the second locking device 4 and the first locking device 5. When a user controls the first locking device 5 to lock the relative position of the second pin tube 2 and the first pin tube 1, the first locking device 5 is linked with the second locking device 4 through the linkage piece 9, so that the second locking device 4 locks the relative position of the second pin tube 2 and the third pin tube 3, and when the first locking device 5 is unlocked and the second pin tube 2 and the first pin tube 1 can slide relatively, the first locking device 5 is linked with the second locking device 4 through the linkage piece 9, the second locking device 4 is unlocked, so that the second pin tube 2 and the third pin tube 3 can slide relatively, so that the three-section pin tubes can be adjusted, the structure is simple, and the adjustment is convenient.
Further, in this embodiment, a steel wire is used as a linkage, the first locking device 5 includes a first pipe connecting block 12 disposed at the upper end of the second pipe leg 2 and allowing the first pipe leg 1 to pass through, a first locking block 13 capable of being matched with the first pipe connecting block to loosen or clamp the first pipe leg 1 is disposed on one side of the first pipe connecting block 12, and a first driving assembly 6 connected with the first locking block 13 and capable of driving the first locking block 13 to move relative to the first pipe connecting block 12 is disposed on the other side of the first pipe connecting block 12.
As shown in fig. 3 to 5, the first driving assembly 6 includes a rod 14 connected to the first locking block 13 and passing through the first pipe joint block 12, a shaft 61 is connected to the rod 14, the rod 14 is a bolt fixedly connected to the shaft 61 by a threaded connection, and can also be connected to the shaft 61 by a pin in an interference fit manner, etc., although in actual production, the rod 14 can also be formed integrally with the first locking block 13 or the shaft 61. The shaft 61 is sleeved with a cam handle 62 which can rotate around the shaft 61 and drive the first locking block 13 to loosen or lock the first pin tube 1 when rotating, and the steel wire is connected to the cam handle 62, as shown in fig. 3, when the cam handle rotates on the shaft 61, the cam handle can support two faces on the first tube connecting block 12, respectively, the first attachment face 621 and the second attachment face 622 are provided, the distance from the first attachment face 621 to the shaft 61 is shorter than the distance from the second attachment face to the shaft 61, when the cam handle 62 is pulled, the stroke difference is utilized, so that when the first attachment face 622 supports on the first tube connecting block 12, the first locking block 13 and the steel wire are tightened, or when the second attachment face 621 supports on the first tube connecting block 12, the first locking block 13 and the steel wire are loosened. Be equipped with the first spring 15 that enables first locking piece 13 and reset between first locking piece 13 and the first pipe connection piece 12, first spring 15 suit is on member 14, one end supports on first locking piece 13, the other end supports on first pipe connection piece 12, loosen first locking piece 13 when pulling cam handle 62, first spring 15 promotes first locking piece 13 and makes first locking piece 13 not laminating on first foot pipe 1, prevent that first foot pipe 1 is free gliding frictional force and disappear, the user can adjust first foot pipe 1 this moment.
As shown in fig. 5 and 8, a sliding guide 10 is disposed in the first pipe joint block 12 for sliding and turning the steel wire thereon, and the sliding guide 10 is a roller capable of rotating relative to the first pipe joint block 12 for reducing friction of the steel wire during transmission and making adjustment smoother.
As shown in fig. 6, 9, 10 and 11, the second locking device 4 includes a second pipe connecting block 7 disposed at the lower end of the second pipe leg 2 and allowing the third pipe leg 3 to pass through, a second locking block 8 capable of being engaged with the second pipe connecting block 7 to loosen or clamp the third pipe leg 3 is disposed at one side of the second pipe connecting block 7, a steel wire is connected to the second locking block 8 and can drive the second locking block 8 to loosen or clamp the third pipe leg 3 during movement, and a second spring 11 capable of restoring the second locking block 8 is disposed between the second locking block 8 and the second pipe connecting block 7.
Further, the second pipe connecting block 7 slides up and down and drives the second locking block 8 to loosen or clamp the sliding block 16 of the third pipe pin 3 when sliding, the upper end of the steel wire is connected to the cam handle 62, the lower end of the steel wire is connected to the sliding block 16, the sliding block 16 is provided with a first inclined surface 161, the second locking block 8 is provided with a second inclined surface 81, when the sliding block 16 is driven by the steel wire to slide upwards, the first inclined surface 161 of the sliding block pushes the second inclined surface 81 of the second locking block 8, so that the second locking block 8 clamps the third pipe pin 3. A third spring 19 capable of pushing the sliding block 16 when the first locking device 5 is unlocked is arranged between the second locking block and the second pipe connecting block 7, a sleeve 18 for the sliding block to slide in is further mounted on the second pipe connecting block 7 in an embedded mode, the third spring 19 is arranged on the sleeve 18, one end of the third spring abuts against the inner side of the sleeve 18, and the other end of the third spring abuts against the sliding block. When the cam handle 62 rotates to release the steel wire, the third spring 19 pushes the slide block to slide downwards to give way to unlock the second locking block 8, at this time, the second locking block 8 releases the third foot pipe 3 under the pushing of the second spring 11, and at this time, a user can adjust the third foot pipe 3.
In addition, still be equipped with the uide bushing 17 that is used for guiding orientation on the steel wire, the inner chamber that the both ends of uide bushing 17 passed second foot pipe 2 connect respectively on first union coupling piece 12 and second union coupling piece 7, also play guiding orientation's effect when protecting the steel wire.
Lower extreme fixed mounting of first foot pipe 1 is on connecting seat 20, and connecting seat 20 suit is on second foot pipe 2, and first foot pipe 1 can slide on second foot pipe 2 through connecting seat 20 and first pipe connection piece 12, and the gliding can support in first pipe connection piece 12 below upwards, and the gliding can support in second pipe connection piece 7 top downwards to deviate from the separation when preventing first foot pipe 1 from sliding from top to bottom.
Example 1 working principle:
fig. 22 shows the utility model discloses a multistage quick adjustment mechanism's telescopic state, when needs are adjusted, pull cam handle 62 to perpendicular to foot pipe, cam handle 62 loosens first latch segment 13, first spring 15 promotes first latch segment 13 and makes first latch segment 13 not laminating on first foot pipe 1, first locking device 5 unblock, prevent that first foot pipe 1 free slip's frictional force disappears, the user can adjust first foot pipe 1 this moment, meanwhile, the steel wire is loosened when cam handle 62 rotates, third spring 19 promotes the slider and makes a stepping down and unblock second latch segment 8, second latch segment 8 loosens third foot pipe 3 under second spring 11's promotion this moment, the power of locking third foot pipe 3 disappears, the user can adjust third foot pipe 3 this moment. When the foot tube needs to be locked, the cam handle 62 is pulled to be parallel to the foot tube, the first locking block 13 is tensioned by the cam handle 62 through the rod piece 14, the first locking block 13 is attached to the first foot tube 1, the outer wall of the first foot tube 1 is extruded, large friction force is generated, the first foot tube 1 is locked, and therefore the first foot tube 1 is locked at a new position relative to the second foot tube 2, meanwhile, the steel wire is tensioned when the cam handle 62 rotates, the sliding block 16 is pulled to slide upwards, the sliding block 16 can push the second locking block 8 at the moment, the second locking block 8 enables the third foot tube 3 to be clamped by the second locking block 8, and therefore the third foot tube 3 is locked at a new position relative to the second foot tube 2.
Example 2:
as shown in fig. 12 to 21, the embodiment 2 is different from the embodiment 1 mainly in the manner in which the second lock device 4 and the link member 9 are connected to the second lock device 4.
In this embodiment, the second locking device 4 includes a second pipe connecting block 7 disposed at the lower end of the second pipe leg 2 and allowing the third pipe leg 3 to pass through, a second locking block 8 capable of being matched with the second pipe connecting block 7 to loosen or clamp the third pipe leg 3 is disposed on one side of the second pipe connecting block 7, and the second locking block 8 is embedded in the second pipe connecting block 7. The linkage piece 9 is a steel wire, the upper end of the linkage piece is connected to the cam handle 62, the lower end of the linkage piece passes through the sliding sleeve 24 arranged in the second pipe connecting block 7, then passes through a through hole in the second locking block 8 and is connected with the second pipe connecting block 7, and when the steel wire rotates at the cam handle 62 and is tensioned, the second locking block 8 is pulled to be pressed onto the third foot pipe 3. Be equipped with the second spring 11 that enables second latch segment 8 and reset between second latch segment 8 and the second pipe joint piece 7, when cam handle 62 rotated and unclamped the steel wire, the power that the steel wire pulling second latch segment 8 pressed to third foot pipe 3 became little, and third foot pipe 3 was loosened in second latch segment 8 under the promotion of second spring 11, and the user can adjust third foot pipe 3 this moment.
As shown in fig. 16 and 19, the sliding guide 10 disposed in the first pipe joint block 12 for the steel wire to slide and turn thereon is a sliding guide sleeve, and the inner cavity of the sliding guide sleeve is provided with a sliding guide cambered surface for reducing friction of the steel wire during transmission, so that adjustment is smoother. It should be noted that the sliding guide may be a roller, may be a sliding guide sleeve, and may be used in both embodiment 1 and embodiment 2.
Example 2 working principle:
fig. 22 shows the utility model discloses a multistage quick adjustment mechanism's telescopic state, when needs are adjusted, pull cam handle 62 to perpendicular to foot pipe, cam handle 62 loosens first latch segment 13, first spring 15 promotes first latch segment 13 and makes first latch segment 13 not laminating on first foot pipe 1, the unblock of first locking device 5, prevent that first foot pipe 1 free gliding frictional force disappears, the user can adjust first foot pipe 1 this moment, meanwhile, the steel wire is loosened when cam handle 62 rotates, the power that steel wire pulling second latch segment 8 pressed to third foot pipe 3 diminishes, second latch segment 8 loosens third foot pipe 3 under the promotion of second spring 11, the user can adjust third foot pipe 3 this moment. When the foot tube needs to be locked, the cam handle 62 is pulled to be parallel to the foot tube, the cam handle 62 tensions the first locking block 13 and is attached to the first foot tube 1, the outer wall of the first foot tube 1 is extruded, large friction force is generated, the first foot tube 1 is locked in a new position relative to the second foot tube 2, meanwhile, the steel wire is tensioned when the cam handle 62 rotates, the second locking block 8 is driven to clamp the third foot tube 3, and the third foot tube 3 is locked in a new position relative to the second foot tube 2.
It should be noted that, as shown in fig. 8 and fig. 19, an adjusting nut 21 is disposed on the cam handle, the adjusting nut 21 is connected to an adjusting screw 22 that is adjusted in cooperation with the adjusting nut 21, the steel wire passes through the cam handle and the adjusting nut 21 and is fixedly connected to the adjusting screw 22 through a screw or a pin, and a user can tighten or loosen the steel wire by twisting the adjusting screw 22 to realize independent adjustment of the second locking device 4, so that the third leg tube 3 can be adjusted independently, and the adjustment is flexible.
The utility model discloses a multistage quick adjustment mechanism can be as shown in fig. 22 and 23 in practical application, at the lower extreme fixed connection footstand of third foot pipe 3, at 1 upper end fixed connection connecting seat 24 of first foot pipe, connecting seat 24 connects on the base and constitutes scalable regulation's tripod.
Claims (9)
1. The utility model provides a multistage quick adjustment mechanism which characterized in that: including first foot pipe (1), be connected with on first foot pipe (1) and can be relative its gliding second foot pipe (2), second foot pipe (2) on be connected with and can be relative its gliding third foot pipe (3), the one end of second foot pipe (2) be equipped with first locking device (5) that can lock second foot pipe (2) and first foot pipe (1) relative position, the other end of second foot pipe (2) be equipped with first locking device (5) linkage and can lock second foot pipe (2) and third foot pipe (3) relative position second locking device (4), second locking device (4) and first locking device (5) between be equipped with linkage (9) that can drive second locking device (4) linkage when first locking device (5) moves.
2. The multi-stage quick adjustment mechanism of claim 1, wherein: first locking device (5) including set up in second foot pipe (2) upper end and supply first foot pipe (1) to pass first union coupling piece (12), first union coupling piece (12) one side be equipped with can loosen or press from both sides first locking piece (13) of tight first foot pipe (1) rather than the cooperation, first union coupling piece (12) opposite side is equipped with and is connected and can drive first drive assembly (6) that first locking piece (13) moved relatively first union coupling piece (12) with first locking piece (13).
3. The multi-stage quick adjustment mechanism of claim 2, wherein: first drive assembly (6) including be connected with first locking piece (13) and pass member bar (14) of first union coupling piece (12), member bar (14) on be connected with axle (61), axle (61) go up cup joint can rotate around axle (61) and drive cam handle (62) that first locking piece (13) unclamped or locked first foot pipe (1) when rotating, linkage piece (9) connect on cam handle (62), first locking piece (13) and first union coupling piece (12) between be equipped with first spring (15) that can make first locking piece (13) reset.
4. The multi-stage quick adjustment mechanism of claim 2, wherein: second locking device (4) including setting up second union coupling piece (7) that second foot pipe (2) lower extreme and supply third foot pipe (3) to pass, one side of second union coupling piece (7) be equipped with can loosen or press from both sides second latch segment (8) of tight third foot pipe (3) rather than the cooperation, linkage (9) connect on second latch segment (8) and can drive when the motion second latch segment (8) loosen or press from both sides tight third foot pipe (3), second latch segment (8) and second union coupling piece (7) between be equipped with second spring (11) that can make second latch segment (8) reset.
5. The multi-stage quick adjustment mechanism of claim 4, wherein: a slide block (16) which can slide up and down and drive the second locking block (8) to loosen or clamp the third pin tube (3) when sliding is arranged in the second tube connecting block (7), the linkage piece (9) is a steel wire, the upper end of the linkage piece is connected with the cam handle (62), the lower end of the linkage piece is connected with the sliding block (16), a first inclined plane (161) is arranged on the sliding block (16), a second inclined plane (81) is arranged on the second locking block (8), when the sliding block (16) is driven by the steel wire to slide upwards, the first inclined surface (161) of the sliding block pushes the second inclined surface (81) of the second locking block (8) to enable the second locking block (8) to clamp the third foot pipe (3), and a third spring (19) capable of pushing the sliding block (16) when the first locking device (5) is unlocked is arranged between the second locking block (8) and the second pipe connecting block (7).
6. The multi-stage quick adjustment mechanism of claim 4, wherein: linkage spare (9) be the steel wire, the upper end is connected on cam handle (62), the lower extreme passes second latch segment (8) and is connected with second union coupling piece (7), the steel wire by taut when cam handle (62) rotate to compress tightly second latch segment (8) to third foot pipe (3).
7. The multi-stage quick adjustment mechanism according to claim 5 or 6, characterized in that: a slide guide piece (10) for the steel wire to slide on is arranged in the first pipe connecting block (12).
8. The multi-stage quick adjustment mechanism of claim 7, wherein: the guide sliding piece (10) is a roller capable of rotating relative to the first pipe connecting block (12), or the guide sliding piece (10) is provided with a guide sliding sleeve for a steel wire to pass through.
9. The multi-stage quick adjustment mechanism according to claim 5 or 6, characterized in that: the steel wire on the cover be equipped with guide sleeve (17) that are used for the direction location, the inner chamber that the both ends of guide sleeve (17) passed second foot pipe (2) connect respectively on first pipe connection piece (12) and second pipe connection piece (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921022563.5U CN210600915U (en) | 2019-07-01 | 2019-07-01 | Multistage quick adjustment mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921022563.5U CN210600915U (en) | 2019-07-01 | 2019-07-01 | Multistage quick adjustment mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210600915U true CN210600915U (en) | 2020-05-22 |
Family
ID=70721373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921022563.5U Active CN210600915U (en) | 2019-07-01 | 2019-07-01 | Multistage quick adjustment mechanism |
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| Country | Link |
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| CN (1) | CN210600915U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114110020A (en) * | 2021-12-03 | 2022-03-01 | 燕山大学 | Fast-inserting locking multi-section type foldable guide rail |
-
2019
- 2019-07-01 CN CN201921022563.5U patent/CN210600915U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114110020A (en) * | 2021-12-03 | 2022-03-01 | 燕山大学 | Fast-inserting locking multi-section type foldable guide rail |
| CN114110020B (en) * | 2021-12-03 | 2022-11-08 | 燕山大学 | Fast-inserting locking multi-section type foldable guide rail |
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