CN114097740A - Fishing box telescopic adjusting device and foot tube telescopic adjusting device thereof - Google Patents

Abstract

The invention discloses a fishing box telescopic adjusting device and a foot tube telescopic adjusting device thereof, wherein the foot tube telescopic adjusting device comprises: the locking device comprises an annular locking block, a locking device and an adjusting device, wherein the annular locking block is provided with a convex opening at the side part; the upper and lower both sides of latch segment and frame all correspond and are equipped with the first through-hole that the foot pipe of being convenient for passed, and both sides all correspond around protrusion opening and the frame and are equipped with the second through-hole that the connecting axle of being convenient for passed, and adjusting device is including the spanner that both sides, just be connected with the connecting axle around the frame are located to the cover, and the rotation of spanner is used for adjusting protrusion open-ended size. The foot tube telescopic adjusting device realizes locking and loosening operation of the foot tube by utilizing elastic deformation of the locking block so as to carry out positioning and telescopic adjustment of the foot tube, and the wrench has a torque amplification effect so that the operation of rotating the wrench to lock the foot tube is more labor-saving and convenient.

Description

Fishing box telescopic adjusting device and foot tube telescopic adjusting device thereof

Technical Field

The invention relates to the technical field of foot tube telescopic adjustment, in particular to a foot tube telescopic adjustment device. In addition, still relate to a fishing case flexible adjusting device who includes above-mentioned foot pipe flexible adjusting device.

Background

In the prior art, a conventional telescopic adjustment structure of a foot tube 1 is composed of a frame 2, a base 01, a hand wheel 02, a pressing block 03 and a fastener 04, and referring to fig. 1 to 4, when the telescopic adjustment of the foot tube 1 is performed, the hand wheel 02 needs to be screwed or unscrewed, the pressing block 03 can be pushed to move in the rotation process of the hand wheel 02, so that the pressing block 03 and the base 01 are used for clamping or loosening the foot tube 1, that is, when the hand wheel 02 rotates towards a direction a, threads on the base 01 can enable the hand wheel 02 to move towards a direction C at the same time, the pressing block 03 can be pushed towards the direction C at the same time, and the surface E on the pressing block 03 and surfaces E1 and E2 on the base 01 are used for clamping the foot tube 1, so that the foot tube 1 is prevented from moving towards the direction B. However, as the number of turns of the hand wheel 02 increases, the operator is required to tighten the hand wheel 02 with a large force in order to ensure the locking of the foot tube 1, and the operation process is time-consuming and labor-consuming.

In summary, it is an urgent need to solve the problem in the art to provide a device that can avoid the time and labor consumption of the operator in adjusting the pin.

Disclosure of Invention

In view of the above, the present invention provides a foot tube expansion and contraction adjusting device, which can realize the expansion and contraction adjustment of the foot tube quickly and effortlessly, and the device has a simple structure, is convenient to operate, and can be popularized and used.

Another object of the present invention is to provide a telescopic adjustment device for a fishing box including the above-mentioned leg tube telescopic adjustment device, which can rapidly and labor-effectively adjust the height of the fishing box.

In order to achieve the above purpose, the invention provides the following technical scheme:

a foot tube telescoping adjustment device, comprising: the locking device comprises a frame, a locking device and an adjusting device, wherein the locking device is sleeved on the periphery of a foot tube and used for locking the foot tube, the adjusting device is used for adjusting the locking degree between the locking device and the foot tube, and the locking device comprises an annular locking block with a protruding opening at the side part;

both sides about the frame with the latch segment all corresponds and is equipped with to be convenient for the first through-hole that the foot pipe passed, both sides around the frame with the protrusion opening all corresponds and is equipped with the second through-hole that the connecting axle of being convenient for passed, adjusting device locates including the cover both sides around the frame, and with the spanner that the connecting axle is connected, the rotation of spanner is used for adjusting protrusion open-ended size.

Preferably, locking device including be used for with the latch segment is fixed support in the frame, both sides correspond around the support the second through-hole is equipped with the mounting groove, every all be equipped with in the mounting groove with the interior one-way tooth piece of protrusion open-ended lateral part joint with be used for driving interior one-way tooth piece back-and-forth movement's outer one-way tooth piece, outer one-way tooth piece with the spanner joint, interior one-way tooth piece with outer one-way tooth piece all is equipped with and is convenient for the round hole that the connecting axle passed.

Preferably, one of the outer side of the protruding opening and the inner side of the inner unidirectional tooth block is provided with a protrusion, the other one of the outer side of the protruding opening and the inner side of the inner unidirectional tooth block is provided with a recess matched with the protrusion, and the outer side of the inner unidirectional tooth block and the inner side of the outer unidirectional tooth block are correspondingly provided with bevel teeth matched with each other.

Preferably, one of the outer side of the outer one-way tooth block and the inner side of the wrench is provided with a square hole boss, and the other one is provided with a square hole groove matched with the square hole boss.

Preferably, a protection lining is embedded in the inner periphery of the locking block, and the locking block, the protection lining, the bracket and the frame are correspondingly provided with a channel for facilitating a fastener to vertically penetrate through.

Preferably, the connecting shaft is used for penetrating one end of the second through hole is provided with an external thread, the external thread is sleeved with a nut, the nut is provided with an internal thread matched with the external thread, and the nut is attached to the outer side of the wrench.

Preferably, the nut outer peripheral part is sleeved with a rotatable fine adjustment hand wheel, and a hexagonal groove matched with the hexagonal surface at the end part of the nut is formed in the fine adjustment hand wheel.

Preferably, the end of the connecting shaft and the outer threads are circumferentially provided with shaft grooves, and the fine adjustment hand wheel is provided with holes for enabling limit pins to vertically penetrate through the two sides of the shaft grooves.

Preferably, the wrench is of a U-shaped groove structure, and a handheld portion is arranged at the bottom of the U-shaped groove structure.

A fishing case telescopic adjustment device, comprising: fishing box and above-mentioned any foot pipe adjusting device that stretches out and draws back, foot pipe adjusting device that stretches out and draws back with the foot union coupling of fishing box is in order to adjust the locking degree of foot pipe.

When the foot tube telescopic adjusting device provided by the invention is used, firstly, the locking device can be placed in the frame, the locking block is aligned with the first through holes on the upper side and the lower side of the frame, then, the foot tube is inserted into the first through holes, then, the wrench is sleeved on the front side and the rear side of the frame, the wrench is aligned with the second through holes on the front side and the rear side of the frame, and finally, the connecting shaft is inserted into the second through holes, so that the integral installation of the device is realized. Subsequently, can adjust the size of protrusion opening through rotating the spanner, when the size of protrusion opening reduces, then can make the latch segment further lock the foot pipe, when protrusion opening size is minimum, then the foot pipe can't reciprocate, is the locking state of foot pipe this moment. And when protrusion open-ended size grow, then can make the latch segment gradually loosen the foot pipe, along with the locking degree of latch segment reduces, the pull foot pipe from top to bottom of operating personnel's accessible for the foot pipe carries out concertina movement, when the foot pipe is flexible when predetermineeing the position, the locking operation of foot pipe can be realized to the antiport spanner again.

This device utilizes the elastic deformation of latch segment to realize the locking of foot pipe and loosen the operation to in the location and the flexible regulation of carrying out the foot pipe, and because the spanner has moment amplification effect, make the operation of rotating the spanner with locking foot pipe more laborsaving convenience.

In conclusion, the foot tube telescopic adjusting device provided by the invention can realize the telescopic adjustment of the foot tube quickly and labor-saving, and the device has the advantages of simple structure and convenience in operation, and can be popularized and used.

In addition, the invention also provides a fishing box telescopic adjusting device comprising the foot tube telescopic adjusting device, which can quickly and labor-effectively realize height adjustment of the fishing box.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is an exploded view of a leg tube expansion adjustment structure and a leg tube in the prior art;

FIG. 2 is a schematic view of the assembly of a foot tube expansion adjusting structure and a foot tube in the prior art;

FIG. 3 is a cross-sectional view of FIG. 2;

FIG. 4 is a schematic diagram of the operation of FIG. 3;

FIG. 5 is an exploded view of the foot tube expansion adjustment device and the foot tube according to the present invention;

FIG. 6 is a schematic view of the installation of the locking device;

FIG. 7 is a schematic view of the locking device mounted to the frame;

FIG. 8 is a schematic view of the installation of inner and outer unidirectional blocks with the structure of FIG. 7;

FIG. 9 is a schematic view of a connecting shaft, a wrench, a nut, a fine adjustment hand wheel, a limit pin, and the structure of FIG. 8 installed;

FIG. 10 is a schematic structural view of the leg tube expansion adjustment device of the present invention after installation;

FIG. 11 is a schematic structural view of the leg tube expansion adjustment device and the leg tube in an unlocked state;

FIG. 12 is a front view of FIG. 11;

FIG. 13 is a top view of the container of FIG. 11 including a cross-sectional view of the interior thereof;

FIG. 14 is a schematic structural view of the leg tube expansion adjustment device in a locked state with the leg tube;

FIG. 15 is a front view of FIG. 14;

FIG. 16 is a top view of the container of FIG. 14 with a cross-sectional view of the interior;

FIG. 17 is a schematic structural view of the locking block, the inner unidirectional tooth block, the outer unidirectional tooth block and the connecting shaft in an unlocked state;

FIG. 18 is a top view of FIG. 17;

FIG. 19 is a schematic structural view of the locking block, the inner unidirectional tooth block, the outer unidirectional tooth block and the connecting shaft in an intermediate state;

FIG. 20 is a top view of FIG. 19;

FIG. 21 is a schematic structural view of the locking block, the inner unidirectional tooth block, the outer unidirectional tooth block and the connecting shaft in a locked state;

FIG. 22 is a top view of FIG. 21;

FIG. 23 is a schematic structural view of a telescopic adjustment device of a fishing case according to the present invention;

in fig. 1-23:

01 is a base, 02 is a hand wheel, 03 is a press block, 04 is a fastener, 1 is a foot tube, 2 is a frame, 3 is a locking device, 4 is an adjusting device, 5 is a first through hole, 6 is a second through hole, 7 is a convex opening, 8 is a locking block, 9 is a connecting shaft, 10 is a wrench, 11 is a support, 12 is a mounting groove, 13 is an inner unidirectional tooth block, 14 is an outer unidirectional tooth block, 15 is a protrusion, 16 is a recess, 17 is a bevel tooth, 18 is a square hole boss, 19 is a square hole groove, 20 is a first protection sheet, 21 is a second protection sheet, 22 is an external thread, 23 is a nut, 24 is a fine adjustment hand wheel, 25 is a shaft groove, 26 is a limit pin, 27 is an opening, 28 is a fastener, 29 is a handheld part, 30 is a fishing box, H1 is an interval between the outer sides of the two outer unidirectional tooth blocks, H2 is the size of the convex opening, D1 is the inner diameter of the locking block, and D2 is the diameter of the foot tube.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The core of the invention is to provide a foot tube telescopic adjusting device which can realize the telescopic adjustment of the foot tube quickly and laborsavingly, and the device has simple structure and convenient operation and can be popularized and used. The other core of the invention is to provide a fishing box telescopic adjusting device comprising the foot tube telescopic adjusting device, which can quickly and labor-effectively realize height adjustment of the fishing box.

Please refer to fig. 1 to 23.

This embodiment provides a foot pipe adjusting device that stretches out and draws back, includes: the locking device comprises a frame 2, a locking device 3 sleeved on the periphery of the foot tube 1 and used for locking the foot tube 1, and an adjusting device 4 used for adjusting the locking degree between the locking device 3 and the foot tube 1, wherein the locking device 3 comprises an annular locking block 8 of which the side part is provided with a convex opening 7; the upper and lower both sides of latch segment 8 and frame 2 all correspond and are equipped with the first through-hole 5 that the foot pipe 1 of being convenient for passed, and both sides all correspond around protrusion opening 7 and the frame 2 and are equipped with the second through-hole 6 that the connecting axle 9 of being convenient for passed, and adjusting device 4 is including the spanner 10 that the cover was located both sides around the frame 2, just was connected with connecting axle 9, and the rotation of spanner 10 is used for adjusting protrusion opening 7's size.

It should be noted that, the outer periphery of the foot tube 1 is sleeved with the annular locking block 8, and the locking block 8 is provided with the protrusion opening 7, the size of the protrusion opening 7 can be changed along with the rotation process of the wrench 10 to adjust the gap between the locking block 8 and the foot tube 1, and then the locking degree of the locking block 8 to the foot tube 1 is changed, the protrusion opening 7 is a notch of the annular locking block 8, along with the reduction of the size of the protrusion opening 7, the size of the notch representing the annular locking block 8 is reduced, that is, the foot tube 1 is further locked by the annular locking block 8, so as to realize the positioning operation of the foot tube 1. Along with the increase of the size of the protruding opening 7, the size of the notch of the annular locking block 8 is increased, that is, the annular locking block 8 further loosens the foot tube 1, so that an operator can conveniently pull the foot tube 1 up and down to perform telescopic operation.

In the actual application process, the shapes, structures, sizes, positions, materials and the like of the foot tube 1, the frame 2, the locking device 3, the adjusting device 4, the locking block 8 and the wrench 10 can be determined according to actual conditions and actual requirements.

When the foot tube telescopic adjusting device provided by the invention is used, firstly, the locking device 3 can be placed into the frame 2, the locking block 8 is aligned with the first through holes 5 on the upper side and the lower side of the frame 2, then, the foot tube 1 is inserted into the first through holes 5, then, the wrench 10 is sleeved on the front side and the rear side of the frame 2, the wrench 10 is aligned with the second through holes 6 on the front side and the rear side of the frame 2, and finally, the connecting shaft 9 is inserted into the second through holes 6, so that the integral installation of the device is realized. Subsequently, the size of the protrusion opening 7 can be adjusted by rotating the wrench 10, so that the locking block 8 can further lock the leg tube 1 when the size of the protrusion opening 7 is reduced, and the leg tube 1 cannot move up and down when the size of the protrusion opening 7 is the smallest, which is the locking state of the leg tube 1. And when the size grow of protrusion opening 7, then can make latch segment 8 loosen foot pipe 1 gradually, along with latch segment 8's locking degree reduces, operating personnel accessible pulls foot pipe 1 from top to bottom for foot pipe 1 carries out concertina movement, when foot pipe 1 stretches out and draws back to preset position, and the locking operation of foot pipe 1 can be realized to reverse rotation spanner 10 again.

This device utilizes the elastic deformation of latch segment 8 to realize the locking of foot pipe 1 and loosen the operation to in the location and the flexible regulation of carrying out foot pipe 1, and because spanner 10 has moment amplification effect, make the operation of rotating spanner 10 with locking foot pipe 1 more laborsaving convenient.

In conclusion, the foot tube telescopic adjusting device provided by the invention can realize telescopic adjustment of the foot tube 1 quickly and labor-saving, and the device has the advantages of simple structure and convenience in operation, and can be popularized and used.

On the basis of the above embodiment, preferably, the locking device 3 includes a support 11 for fixing the locking block 8 in the frame 2, mounting grooves 12 are provided on the front and rear sides of the support 11 corresponding to the second through holes 6, each mounting groove 12 is provided with an inner one-way tooth block 13 clamped with the side of the protrusion opening 7 and an outer one-way tooth block 14 for driving the inner one-way tooth block 13 to move back and forth, the outer one-way tooth block 14 is clamped with the wrench 10, and the inner one-way tooth block 13 and the outer one-way tooth block 14 are provided with round holes for the connecting shaft 9 to pass through.

It should be noted that, when the locking device 3 and the adjusting device 4 are installed, the locking block 8 may be installed in the bracket 11, and then the inner unidirectional tooth block 13 and the outer unidirectional tooth block 14 are installed in the installation groove 12 of the bracket 11, so that the inner sides of the two inner unidirectional tooth blocks 13 are fixed to the two sides of the protrusion opening 7 in a clamping manner, and the inner side of the outer unidirectional tooth block 14 is attached to the outer side of the inner unidirectional tooth block 13 to drive the inner unidirectional tooth block 13 to move back and forth in the transverse direction, and then the wrench 10 is installed in alignment with the second through hole 6 of the frame 2, and then the connecting shaft 9 sequentially passes through one side of the wrench 10, the outer unidirectional tooth block 14, the inner unidirectional tooth block 13, the protrusion opening 7, the inner unidirectional tooth block 13, the outer unidirectional tooth block 14, and the other side of the wrench 10. Therefore, the wrench 10 can be rotated to drive the outer one-way tooth block 14 to rotate, the outer one-way tooth block 14 can drive the inner one-way tooth block 13 to move transversely back and forth in the rotating process, and the size of the protrusion opening 7 can be changed along with the transverse back and forth movement of the inner one-way tooth block 13, so that the locking degree between the locking block 8 and the foot tube 1 can be adjusted. The basis for dividing the inside and the outside here means that one side of the part relatively close to the locking block 8 is the inside, one side of the part relatively far away from the locking block 8 is the outside, and the inner unidirectional tooth block 13, the outer unidirectional tooth block 14, the mounting groove 12 and the like on the two sides of the protrusion opening 7 are symmetrically arranged.

Preferably, one of the outer side of the protrusion opening 7 and the inner side of the inner one-way block 13 is provided with a protrusion 15, the other one is provided with a recess 16 matched with the protrusion 15, and the outer side of the inner one-way block 13 and the inner side of the outer one-way block 14 are correspondingly provided with mutually matched bevel teeth 17.

It should be noted that the side of the protruding opening 7 and the inner one-way tooth block 13 are clamped and fixed by the protrusion 15 and the recess 16, so that when the inner one-way tooth block 13 moves back and forth, the two sides of the protruding opening 7 can be synchronously pushed to move, the size of the protruding opening 7 can be changed, and the locking degree between the locking block 8 and the foot tube 1 can be adjusted.

Moreover, since the outer side of the inner one-way tooth block 13 and the inner side of the outer one-way tooth block 14 are correspondingly provided with the bevel teeth 17 which are matched with each other, when the outer one-way tooth block 14 rotates, the position of the bevel teeth 17 on the inner side of the outer one-way tooth block 14 is changed to push the bevel teeth 17 of the inner one-way tooth block 13 to move, and then the inner one-way tooth blocks 13 on the two sides of the protrusion opening 7 are driven to be close to or away from each other. When the two inner one-way blocks 13 approach each other, the size of the protrusion opening 7 is reduced to further lock the locking block 8 to the leg tube 1, and when the two inner one-way blocks 13 move away from each other, the size of the protrusion opening 7 is increased to slightly loosen the locking block 8 from the leg tube 1.

The shape, structure, position, size and the like of the protrusion opening 7, the inner unidirectional tooth block 13 and the outer unidirectional tooth block 14 can be determined according to actual conditions and actual requirements in the actual application process.

Preferably, one of the outer side of the outer one-way tooth block 14 and the inner side of the wrench 10 is provided with a square hole boss 18, and the other is provided with a square hole groove 19 matched with the square hole boss 18. Therefore, the wrench 10 and the outer one-way tooth block 14 are clamped and fixed through the square hole boss 18 and the square hole groove 19, so that the two outer one-way tooth blocks 14 and the wrench 10 rotate synchronously to drive the inner one-way tooth block 13 to move, and then the size of the protrusion opening 7 is adjusted.

In addition, it should be noted that, besides the mutually matched bevel teeth 17 may be correspondingly arranged on the outer side of the inner one-way tooth block 13 and the inner side of the outer one-way tooth block 14, so as to drive the inner one-way tooth block 13 to move along the connecting shaft 9 when the outer one-way tooth block 14 rotates, the outer one-way tooth block 14 may also be arranged in an eccentric cam structure, and the inner one-way tooth block 13 may also be moved along the connecting shaft 9 during the rotation of the eccentric cam structure, so as to adjust the size of the protruding opening 7. Therefore, in the actual application process, the movement matching mode, structure and the like of the outer unidirectional tooth block 14 and the inner unidirectional tooth block 13 can be determined according to the actual situation and the actual requirement.

Preferably, a protection lining is embedded in the inner periphery of the locking block 8, and the locking block 8, the protection lining, the bracket 11 and the frame 2 are correspondingly provided with a channel for the fastener 28 to vertically penetrate.

It should be noted that, can set up two round hole form passageways at the latch segment 8 lateral part, and set up the protection facing into first protection piece 20 and the second protection piece 21 that distribute from top to bottom, the first protection piece 20 laminating latch segment 8 first half setting, first protection piece 20 lateral part corresponds round hole form passageway and is equipped with the fitting piece that is used for locking fastener 28, the second protection piece 21 laminating latch segment 8 lower half setting, second protection piece 21 lateral part corresponds round hole form passageway and is equipped with the round hole that is convenient for fastener 28 to pass, and support 11 corresponds the cavity that is equipped with the passageway that is used for installing latch segment 8 and protection facing, frame 2 can hold support 11, and frame 2 bottom corresponds and is equipped with the round hole that is convenient for fastener 28 to pass.

Therefore, when assembling the locking device 3, the first protective sheet 20 and the second protective sheet 21 can be first attached to the inner peripheral wall of the locking block 8, and the fitting piece of the first protective sheet 20 is aligned with the top of the circular hole-shaped passage of the locking block 8, the circular hole of the second protective sheet 21 is aligned with the bottom of the circular hole-shaped passage of the locking block 8, the locking block 8 is then mounted in the holder 11, and the passage is inserted into the cavity of the holder 11, then, the bracket 11 is installed in the frame 2, the channel is aligned with the round hole at the bottom of the frame 2, finally, the fastener 28 sequentially passes through the round hole of the frame 2, the round hole of the second protection sheet 21 and the round hole-shaped channel of the locking block 8, and finally is matched, locked and fixed with the matching piece of the first protection sheet 20, and finally, the bracket 11 and the locking block 8 can be effectively fixed in the frame 2, so that the bracket 11 and the locking block 8 are not moved up and down.

Preferably, one end of the connecting shaft 9, which is used for penetrating through the second through hole 6, is provided with an external thread 22, the external thread 22 is sleeved with a nut 23, the nut 23 is provided with an internal thread matched with the external thread 22, and the nut 23 is attached to the outer side of the wrench 10. The other end of the connecting shaft 9 can be welded with a nut, so that the nut at the other end is directly attached to the fixed wrench 10, and the nut 23 matched with the external thread 22 can change positions in the rotating process to compress or loosen the wrench 10, so that the positions of the outer one-way gear and the inner one-way gear are adjusted, and the size of the protrusion opening 7 is finally changed. And the nuts 23 on both sides of the connecting shaft 9 can effectively connect the wrench 10 with the outer one-way gear, the inner one-way gear and the locking block 8 together, so as to realize corresponding adjustment operation.

Preferably, a rotatable fine adjustment hand wheel 24 is sleeved on the outer periphery of the nut 23, and a hexagonal groove matched with a hexagonal surface at the end of the nut 23 is formed in the fine adjustment hand wheel 24.

Therefore, by rotating the fine adjustment hand wheel 24, the nut 23 can be synchronously driven to rotate, the nut 23 can move along the external thread 22 of the connecting shaft 9 in the rotating process, the wrench 10 can be further extruded or further kept away from the wrench 10, the positions of the outer one-way gear and the inner one-way gear can be adjusted after the wrench 10 moves, and then the size of the protrusion opening 7 is changed. And, fine setting hand wheel 24 can only play a role when spanner 10 is not complete dead lock foot pipe 1, when spanner 10 turned to extreme position for protrusion opening 7 size is minimum, and foot pipe 1 can not remove, when being effectively locked, fine setting hand wheel 24 can not play a role this moment, and when spanner 10 turned to other positions, when making foot pipe 1 be in the unblock state, can be through rotating fine setting hand wheel 24 to suitably adjust the locking block 8 to the locking force of foot pipe 1.

It should also be noted that the fine adjustment hand wheel 24 and the nut 23 are in clamping fit through a hexagonal groove and a hexagonal surface, so that the fine adjustment hand wheel 24 can be effectively prevented from rotating randomly, and the rotating process can be realized only by applying an acting force by an operator.

Preferably, a shaft groove 25 is formed between the end of the connecting shaft 9 and the external thread 22 along the circumferential direction, and the fine adjustment hand wheel 24 is provided with an opening 27 which facilitates the stop pin 26 to vertically penetrate through two sides of the shaft groove 25. Therefore, the limit pin 26 is inserted into the opening 27 of the fine adjustment hand wheel 24, and meanwhile, the limit pin 26 can penetrate through the shaft groove 25 of the connecting shaft 9 to effectively clamp and fix the fine adjustment hand wheel 24 and the connecting shaft 9, so that the phenomenon that the fine adjustment hand wheel 24 and the connecting shaft 9 fall off due to the fact that the nut 23 is too loose is prevented.

The shapes, sizes, structures, positions and the like of the shaft groove 25, the limit pin 26 and the opening 27 can be determined according to actual conditions and actual requirements in the actual application process.

Preferably, the wrench 10 has a U-shaped groove structure, and a handle 29 is disposed at the bottom of the U-shaped groove structure.

It should be noted that, the wrench 10 is similar to a U-shaped groove structure, and the two parallel sides of the U-shaped groove structure are respectively attached to the front and rear sides of the frame 2, which is equivalent to the force arm of the wrench 10 during the rotation process, so that the operator can rotate the wrench 10 more easily. And the spanner 10 is provided with the handheld part 29, so that the control and the use of an operator are facilitated, and the use experience of the device is improved. Can set up the both sides that parallel of U type groove structure into the arc structure, so only need rotate spanner 10 about 90, can realize the locking and the unblock operation of foot pipe 1 for spanner 10's rotation operation is more convenient and fast. The shape, structure, size, etc. of the wrench 10 can be determined in the actual application process according to the actual situation and the actual requirements.

To further illustrate the operation of the present invention, the following examples are provided.

In assembling the telescopic adjusting device for leg tube, as shown in fig. 6, in a first step, the first protective sheet 20 and the second protective sheet 21 may be mounted on the inner peripheral portion of the locking block 8, and then the locking block 8 may be mounted on the bracket 11; secondly, as shown in fig. 7, the components that have been installed in the previous step can be installed in the frame 2, and the bracket 11, the locking block 8 and the like are fixed in the frame 2 by using the fastener 28; thirdly, as shown in fig. 8, an inner unidirectional tooth block 13 and an outer unidirectional tooth block 14 can be sequentially installed in the installation grooves 12 on both sides of the bracket 11; fourthly, as shown in fig. 9, the connecting shaft 9, the wrench 10, the nut 23, the fine adjustment hand wheel 24, the limit pin 26 and other components may be mounted on the components that are mounted in the previous step, and finally, the assembly process of the foot tube telescopic adjustment device is achieved, as shown in fig. 10.

When the telescopic adjustment device for the foot tube 1 provided by the invention is used for telescopic adjustment and positioning operation of the foot tube 1, when the wrench 10 rotates to the upper half part of the foot tube 1, as shown in fig. 11 to 13, 17 and 18, the foot tube 1 is in an unlocked state at the moment, the fine adjustment hand wheel 24 and the nut 23 are both screwed on the connecting shaft 9, the interval H1 between the outer sides of the two outer one-way tooth blocks 14 is a fixed value, the dimension H2 between the protruding openings 7 is the largest at the moment, the inner one-way tooth blocks 13 and the outer one-way tooth blocks 14 in the mounting grooves 12 at the two sides of the protruding openings 7 are both attached to the unlocking plane M, and at the moment, the inner diameter D1 of the locking block 8 is larger than the diameter D2 of the foot tube 1, so that a gap is formed between the locking block 8 and the foot tube 1, and the foot tube 1 can move up and down.

When the wrench 10 rotates downward from the locked state, as shown in fig. 19 and 20, the leg tube 1 is in the intermediate state between the locked state and the unlocked state, that is, when the wrench 10 rotates around the connecting shaft 9, the wrench 10 and the outer one-way tooth block 14 are clamped and fixed through the square hole boss 18 and the square hole groove 19, so that the wrench 10 can synchronously drive the two outer one-way tooth blocks 14 to rotate, the bevel teeth 17 of the outer one-way tooth block 14 can drive the inner one-way tooth blocks 13 to approach each other when the outer one-way tooth blocks 14 rotate, the protruding opening 7 can be pressed when the two inner one-way tooth blocks 13 approach each other, the size H2 of the protruding opening 7 is reduced, the locking block 8 is elastically deformed, the inner diameter D1 of the locking block 8 is also synchronously reduced, and the locking degree of the locking block 8 to the leg tube 1 is finally adjusted.

When the wrench 10 is rotated to the lower half of the leg tube 1, as shown in fig. 14 to 16, 21 and 22, the leg tube 1 is in the locked state, so that the inner one-way tooth block 13 and the outer one-way tooth block 14 in the mounting grooves 12 on both sides of the protrusion opening 7 are both attached to the locking plane N, at this time, the dimension H2 of the protrusion opening 7 is the minimum state, and the inner diameter D1 of the locking block 8 is smaller than the diameter D2 of the leg tube 1, so that there is no gap between the locking block 8 and the leg tube 1, and the locking block 8 can effectively hold the locking leg tube 1 tightly, so that the leg tube 1 cannot move up and down, and the positioning operation of the leg tube 1 can also be effectively realized.

It should be added that the foot tube expansion and contraction adjusting device provided by the invention locks the foot tube 1 tightly by using the elastic deformation of the locking block 8 to realize the expansion and contraction adjustment and the positioning operation of the foot tube 1, and converts the radial rotating force of the wrench 10 into the axial locking force of the locking block 8 by the arranged outer one-way tooth block 14, so that the operator can lock or unlock the foot tube 1 by rotating the wrench 10, for example, the wrench 10 can lock or unlock the foot tube 1 by rotating about 90 degrees, the operation is convenient and fast, and the wrench 10 has the torque amplification effect, so that the operator can operate more laborsavingly.

It should be noted that, in the present application, the first through hole 5 and the second through hole 6, the first protection sheet 20 and the second protection sheet 21 are mentioned, wherein the first and the second are only for distinguishing the position difference and are not in sequence.

It should be noted that the directions and positional relationships indicated by "upper and lower", "front and rear", "inside and outside" and the like in the present application are based on the directions and positional relationships shown in the drawings, and are only for the convenience of simplifying the description and facilitating the understanding, and do not indicate or imply that the device or element referred to must have a specific direction, be configured and operated in a specific direction, and thus, should not be construed as limiting the present invention.

In addition to the above-mentioned leg pipe expansion adjusting device, the present invention also provides an expansion adjusting device for a fishing box including the above-mentioned leg pipe expansion adjusting device, the expansion adjusting device for a fishing box comprising: the fishing box 30 and the foot tube telescopic adjusting device are connected with the foot tube 1 of the fishing box 30 to adjust the locking degree of the foot tube 1. Referring to fig. 23, please refer to the prior art for the structure of other parts of the telescopic adjusting device for fishing box, which will not be described herein.

It should be noted that the foot tube telescopic adjusting device is mainly used for adjusting the locking degree of the foot tube 1, so that a user can conveniently pull the foot tube 1 along the vertical direction to stretch and adjust, and the foot tube 1 can be locked by the foot tube telescopic adjusting device after being adjusted to a preset position by the foot tube 1, so that the positioning control of the foot tube 1 is realized. The height of the foot pipe 1 from the ground in the vertical direction, that is, the height of the fishing box 30 from the ground can be effectively adjusted through the above operations. In addition, the telescopic adjusting device of the foot tube can be applied to fishing boxes 30 and can also be applied to products such as bicycles, alpenstock and the like.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. Any combination of all embodiments provided by the present invention is within the scope of the present invention, and will not be described herein.

The fishing box telescopic adjusting device and the foot tube telescopic adjusting device thereof provided by the invention are described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims (10)

1. A foot tube telescopic adjusting device is characterized by comprising: the locking device comprises a frame (2), a locking device (3) sleeved on the periphery of a foot pipe (1) and used for locking the foot pipe (1), and an adjusting device (4) used for adjusting the locking degree between the locking device (3) and the foot pipe (1), wherein the locking device (3) comprises an annular locking block (8) of which the side part is provided with a protruding opening (7);

both sides about frame (2) with latch segment (8) all correspond and are equipped with conveniently first through-hole (5) that foot pipe (1) passed, both sides around frame (2) with protrusion opening (7) all correspond and are equipped with second through-hole (6) that connecting axle (9) of being convenient for passed, adjusting device (4) are located including the cover frame (2) front and back both sides, and with spanner (10) that connecting axle (9) are connected, the rotation of spanner (10) is used for adjusting the size of protrusion opening (7).

2. The telescopic adjusting device for the foot tube according to claim 1, wherein the locking device (3) comprises a support (11) for fixing the locking block (8) in the frame (2), mounting grooves (12) are formed in the front side and the rear side of the support (11) corresponding to the second through hole (6), each mounting groove (12) is internally provided with an inner one-way tooth block (13) clamped with the side part of the protruding opening (7) and an outer one-way tooth block (14) for driving the inner one-way tooth block (13) to move back and forth, the outer one-way tooth block (14) is clamped with the wrench (10), and the inner one-way tooth block (13) and the outer one-way tooth block (14) are respectively provided with a round hole for the connecting shaft (9) to pass through.

3. The foot tube expansion adjusting device according to claim 2, characterized in that one of the outer side of the protruding opening (7) and the inner side of the inner one-way block (13) is provided with a protrusion (15), the other one is provided with a recess (16) matched with the protrusion (15), and the outer side of the inner one-way block (13) and the inner side of the outer one-way block (14) are correspondingly provided with mutually matched bevel teeth (17).

4. The foot tube telescoping adjustment device according to claim 3, characterized in that one of the outer side of the outer one-way block (14) and the inner side of the wrench (10) is provided with a square hole boss (18), and the other is provided with a square hole groove (19) which is matched with the square hole boss (18).

5. The telescopic regulator of foot tube according to any one of claims 2-4, characterized in that a protective lining is embedded in the inner periphery of the locking block (8), and the locking block (8), the protective lining, the bracket (11) and the frame (2) are correspondingly provided with a channel for a fastener (28) to vertically penetrate.

6. The foot tube telescopic adjusting device according to any one of claims 1 to 4, wherein one end of the connecting shaft (9) for penetrating through the second through hole (6) is provided with an external thread (22), a nut (23) is sleeved on the external thread (22), the nut (23) is provided with an internal thread matched with the external thread (22), and the nut (23) is attached to the outer side of the wrench (10).

7. The foot tube telescopic adjusting device according to claim 6, wherein a rotatable fine adjustment hand wheel (24) is sleeved on the outer periphery of the nut (23), and a hexagonal groove matched with a hexagonal surface at the end part of the nut (23) is formed in the fine adjustment hand wheel (24).

8. The foot tube telescopic adjusting device according to claim 7, characterized in that a shaft groove (25) is formed between the end of the connecting shaft (9) and the external thread (22) along the circumferential direction, and the fine adjustment hand wheel (24) is provided with an opening (27) for allowing a limit pin (26) to vertically penetrate through two sides of the shaft groove (25).

9. The foot tube expansion adjusting device according to any one of claims 1 to 4, characterized in that the wrench (10) is a U-shaped groove structure, and a handle part (29) is arranged at the bottom of the U-shaped groove structure.

10. The utility model provides a fishing case telescoping adjustment device which characterized in that includes: fishing box (30) and foot tube telescopic adjustment device according to any of the preceding claims 1 to 9, connected to the foot tube (1) of the fishing box (30) to adjust the degree of locking of the foot tube (1).

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