CN209934037U

CN209934037U - Swing link type wheel locking mechanism

Info

Publication number: CN209934037U
Application number: CN201920098818.XU
Authority: CN
Inventors: 江勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-01-19
Filing date: 2019-01-19
Publication date: 2020-01-14
Anticipated expiration: 2029-01-19

Abstract

The utility model discloses a swing link formula lock wheel mechanism, it includes that locking piece, activity briquetting, spring, support and a plurality of interval arrange set up the wheel on this support, and the locking piece includes the pivot and pulls the handle, is equipped with on the activity briquetting to supply to pull handle pivoted movable groove. When the wheel is not required to be locked, the movable pressing block is pressed down, the wrench handle is screwed to move to the boss position in the movable groove, and the movable pressing block is positioned at a higher position, so that the purpose of separating from the wheel is achieved. The movable pressing block is pressed down, the pulling handle is twisted reversely to slide into the movable groove from the boss, and the movable pressing block is pressed down on the wheel under the action of the elastic force of the spring, so that the purpose of locking the wheel is achieved; the operation is simple and convenient, the wrench handle can be screwed by pressing the movable pressing block for a certain angle, and the wrench handle can be put down by rotating a plurality of circles before the operation is different from the prior art, so that the use is convenient for people, meanwhile, hardware such as embedded nuts and the like are saved, the production and the manufacture are easy, the cost is saved, and the wide popularization and the application are facilitated.

Description

Swing link type wheel locking mechanism

Technical Field

The utility model relates to an skating shoe technical field, in particular to use pendulum rod formula lock wheel mechanism in skating shoe.

Background

As is well known, skates are sports equipment used for leisure and recreation; the traditional skating shoes usually comprise a shoe base and a plurality of rollers arranged on the shoe base, and the purpose of running is achieved by the sliding of the rollers; at present, with the continuous improvement of the living standard of people, safety and reliability are pursued all the time in the related skating process, but the rotating speed of the roller on the traditional skating shoe can be controlled only by the artificial force application condition, so that a user can only control the advancing speed by relying on the personal skillful experience under any condition, and the user can only give up the skating idea in order to ensure the personal safety in the environment with unfavorable ground conditions, or the rotating speed of the roller is mastered by experience in the skating process, but sometimes the roller slides too fast due to improper force application to bring danger, so that great trouble is brought to the user; nowadays, especially for some beginners, one side is very interested in skating, but on the other side worry about the unsafe accident caused by the fact that the rotating speed of the roller cannot be effectively controlled, and some fear can be generated in mind, so that the performance requirement of the skating shoes is expected to be very high, and the traditional skating shoes cannot meet the requirements of current users, and are not beneficial to market competition.

Therefore, the inventor applies for a utility model patent named "speed adjustable skating shoe" with patent number "CN 200620053488.5" on 1/10 2006. The speed-adjustable skating shoe comprises a shoe seat and a roller arranged on the shoe seat, wherein an adjustable device is arranged on the shoe seat and comprises a rotary screw rod, a clamping ring and a limiting block, a central hole is formed in the limiting block, and a metal nut is embedded in the central hole; the rotary screw rod penetrates through a through hole formed in the top of the shoe base and is clamped with the clamping ring, and the lower end of the rotary screw rod extends into the center hole of the limiting block and is screwed with the metal nut; the limiting blocks are suspended between the adjacent rollers; the adjustable control device arranged on the shoe seat can adjust the rotation condition of the roller, the adjustable control device can adjust the limit blocks to move up and down by rotating the rotary screw rod, so that the limit blocks suspended between the rollers are in contact with the rollers, and the rotating speed of the rollers is adjusted through the contact area between the limit blocks and the rollers, but the structure of the adjustable control device still has an optimized and improved space, if the rotary screw rod of the adjustable control device enables the limit blocks to downwards prop against the rollers through the reaction force of the snap ring, because the position of the limit blocks is unchanged after adjustment, the phenomenon of uncontrollable direction caused by sideslip due to screwing or foreign matters entering between the limit blocks and the rollers to lock the rollers easily occurs, and the safety during playing is influenced; and after the use for a certain time, because of the wearing and tearing of stopper, need frequently adjust rotatory screw rod, bring inconvenience for the use.

In order to solve the technical problem, the inventor of the present invention improves on the basis, and submits a utility model patent application named as "skating shoe locking wheel mechanism" with application number "2018211840105" in 2018, 7 and 25.A skating shoe locking wheel mechanism is disclosed, which comprises an adjusting screw, a movable pressing block, a spring, a bracket and a wheel, wherein the movable pressing block is provided with a threaded hole matched with the adjusting screw, the adjusting screw penetrates through a mounting hole on the bracket and is screwed into the threaded hole of the movable pressing block, and the spring is sleeved on the adjusting screw. The elastic force of the spring is used for pushing the movable pressing block to press the wheel so as to achieve the purpose of locking the friction brake. The phenomenon that the direction is uncontrollable due to sideslip caused by locking the wheels can be avoided, and the use safety problem is improved; however, the movable pressing block still has a room for improvement, and if the operation is relatively troublesome, the movable pressing block can be put down only by screwing the adjusting screw for a plurality of turns, which brings inconvenience to the use. But also the need to embed a nut in the movable pressing block and purchase a matching adjusting screw, which results in higher manufacturing cost.

SUMMERY OF THE UTILITY MODEL

In view of the above, an object of the present invention is to provide a rocker-type lock wheel mechanism with ingenious and reasonable structural design, simple operation and low cost.

In order to realize the purpose, the utility model adopts the technical scheme that: a swing link type wheel locking mechanism comprises a locking piece, a movable pressing block, a spring, a bracket and a plurality of wheels which are arranged on the bracket at intervals, wherein the locking piece comprises a rotating shaft and a pulling handle which is transversely connected with the lower end of the rotating shaft, the mounting hole matched with the rotating shaft is arranged on the bracket corresponding to the position between two adjacent wheels, the movable pressing block is provided with a through hole aligned with the mounting hole, the rotating shaft of the locking piece sequentially penetrates through the through hole and the mounting hole to be arranged on the bracket, the spring is sleeved on the rotating shaft, the upper end of the spring is pressed against the support, the other end of the spring is pressed against the movable pressing block to enable the movable pressing block to move downwards, a movable groove for pulling the handle to rotate is arranged at the peripheral position of the through hole of the movable pressing block, a boss which enables the movable pressing block to move upwards and separate from the wheel when the movable pressing block is matched with the pulling handle is arranged on one side position in the movable groove.

As an improvement of the utility model, the pivot end of locking piece stretches out and is equipped with the strip dop from the mounting hole, and the upper end opening appearance profile of mounting hole suits unanimously with the appearance profile of this strip dop.

As an improvement of the present invention, the rotating shaft end of the locking member extends from the mounting hole and is provided with a snap ring for preventing the rotating shaft from exiting from the mounting hole.

As an improvement of the present invention, the rotating shaft end of the locking member extends from the mounting hole and is provided with a chuck for preventing the rotating shaft from exiting from the mounting hole.

As an improvement of the utility model, the boss is provided with a spacing strip for preventing the pulling handle from sliding down from the boss.

As an improvement of the utility model, one side of the bottom surface of the movable pressing block is provided with a pressing rod which can conveniently push the movable pressing block to move upwards.

As an improvement of the utility model, one side of the pulling handle is provided with a push rod which is convenient for the rotation of the pulling handle.

As an improvement of the utility model, the upper end diameter of the spring is smaller, and the lower extreme is the shape of crescent.

The utility model has the advantages that: the utility model discloses a structural design is ingenious, reasonable, when not needing the lock wheel, presses movable briquetting, twists and pulls the boss position that the handle moved to the activity inslot, will move about the briquetting location at higher position to realize with the purpose of wheel phase separation. The movable pressing block is pressed down, the pulling handle is twisted reversely to slide into the movable groove from the boss, and the movable pressing block is pressed down on the wheel under the action of the elastic force of the spring, so that the purpose of locking the wheel is achieved; the novel adjustable wrench is simple and convenient to operate, only needs to be screwed for a certain angle, and is different from the prior art that the wrench handle can be put down only by screwing a plurality of rings, so that convenience is brought to people, the integral structure is simplified, the process of embedding nuts in movable pressing blocks and hardware such as adjusting screws are omitted, the novel adjustable wrench is easy to produce and manufacture, the cost is saved, and the novel adjustable wrench is beneficial to wide popularization and application.

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic view of the partial cross-sectional structure of the present invention.

Fig. 3 is an exploded view of fig. 2.

Fig. 4 is a schematic structural view of the middle movable pressing block of the present invention.

Fig. 5 is a schematic structural view of the locking member of the present invention.

Fig. 6 is a use state diagram 1 of the present invention.

Fig. 7 is a use state diagram 2 of the present invention.

Detailed Description

Example (b): referring to fig. 1, 2 and 3, the present embodiment provides a swing link type wheel locking mechanism, which includes a locking member 1, a movable pressing block 2, a spring 3, a bracket 4 and a plurality of wheels 5 arranged on the bracket 4 at intervals.

Locking piece 1 includes pivot 11 and transverse connection pulls handle 12 at this pivot 11 lower extreme, corresponds the position between two adjacent wheels 5 and is equipped with on support 4 with pivot 11 looks adaptation mounting hole 41, be equipped with on the activity briquetting 2 with the through-hole 21 that mounting hole 41 was adjusted well mutually, the pivot 11 of locking piece 1 passes through-hole 21 and mounting hole 41 setting on support 4 in proper order, 3 covers of spring are established on pivot 11, and the upper end roof pressure of this spring 3 is on pushing up on support 4, and the other end roof pressure makes this activity briquetting 2 down on activity briquetting 2, the preferred, the upper end diameter of spring 3 is less, and the lower extreme is the crescent form, wholly is conical, can stabilize the equilibrium and exert pressure to activity briquetting 2.

The periphery of the through hole 21 of the movable pressing block 2 is provided with a movable groove 22 for the rotation of the wrenching handle 12, and a boss 23 which enables the movable pressing block 2 to move upwards and separate from the wheel 5 when being matched with the wrenching handle 12 is arranged at one side position in the movable groove 22. In order to improve the stability of the matching, a limiting strip 24 for preventing the pulling handle 12 from sliding off is arranged on the boss 23. When the pulling handle 12 is positioned at the boss 23 in the movable groove 22, the movable pressing block 2 can be positioned at a higher position, thereby realizing the purpose of separating from the wheel 5. When the wrench handle 12 is screwed and positioned at a lower position in the movable groove 22, the movable pressing block 2 descends to the lower position under the elastic force of the spring 3 so as to press on the wheel 5.

For convenient use, a pressure lever 25 which is convenient for pushing the movable pressing block 2 upwards is arranged on one side of the bottom surface of the movable pressing block. A push rod 13 facilitating the rotation of the wrench handle 12 is arranged on one side of the wrench handle. The operation of the movable pressing block 2 and the pulling handle 12 is facilitated through the pressing rod 25 and the push rod 13.

In this embodiment, the end of the rotating shaft 11 of the locking member 1 extends out of the mounting hole 41 and is provided with a bar chuck 14, and the outline of the upper opening of the mounting hole 41 is matched with the outline of the bar chuck 14. The strip-shaped clamping head 14 extends out through the upper end opening of the mounting hole 41, after the locking piece 1 is screwed, the strip-shaped clamping head 14 is staggered with the opening, and the edge of the opening supports the convex part of the strip-shaped clamping head 14, so that the purpose of preventing the rotating shaft 11 from withdrawing from the mounting hole 41 is realized. The cost is saved, the assembly and disassembly are easy, and convenience is brought to production assembly and daily maintenance. In other embodiments, other structures may also be adopted for assembly, for example, the end of the rotating shaft 11 of the locking member 1 extends out of the mounting hole 41 to form a head, the head is provided with a clamping groove, and a clamping ring with an outer dimension larger than that of the mounting hole 41 is clamped into the clamping groove, so as to achieve the purpose of preventing the rotating shaft 11 from withdrawing from the mounting hole 41. Or the end of the rotating shaft 11 of the locking piece 1 extends out of the mounting hole 41 to form a head part, the head part is provided with an external thread, then a nut with the external dimension larger than that of the mounting hole 41 is screwed on, and the purpose of withdrawing the rotating shaft 11 from the mounting hole 41 can be realized. In addition, the head part can be provided with a clamping head or a barb foot and the like which can be clamped at the edge position of the mounting hole 41.

The movable slot 22 may define a pulling angle a of the pulling handle 12, which is about 40 degrees. During assembly, the strip-shaped clamping heads 14 are screwed for 70 degrees in a counterclockwise direction after penetrating out of the openings, so that the pulling handles 12 integrally slide into the movable grooves 22, and the purpose of locking the wheels is achieved. When the wheel is not required to be locked, on the basis, the wrench handle 12 is screwed counterclockwise for 40 degrees, and the wrench handle 12 is moved to the position of the boss 23 in the movable groove 22, so that the wheel is loosened. The wheel locking or wheel releasing can be realized by repeatedly screwing the wrenching handle 12 within about 40 degrees. Different from the prior art that the wrenching handle 12 can be put down only by twisting a plurality of rings, the wrenching handle brings convenience to people.

When the movable pressing block 2 needs to be disassembled and replaced, the movable pressing block 2 is pushed upwards, so that when the pulling handle 12 is completely withdrawn from the movable groove 22, the pulling handle can be rotated by 70 degrees clockwise, the strip-shaped clamping head 14 is aligned with the outline of the opening, and at the moment, the strip-shaped clamping head 14 can be withdrawn from the opening. The disassembly is convenient, and no special tool is needed.

Referring to fig. 6, when the wheel locking is not needed, the pressing rod 25 is pressed to move the movable pressing block 2 upwards, the push rod 13 is pushed to move the pulling handle 12 to the position of the boss 23 in the movable groove 22, the pressing rod 25 is loosened, and the movable pressing block 2 enables the boss 23 to be pressed on the pulling handle 12 under the elastic force of the spring 3; because the boss 23 increases a certain thickness, the movable pressing block 2 is positioned at a higher position, and the purpose of separating from the wheel 5 is realized.

Referring to fig. 7, when the wheel needs to be locked, the movable pressing block 2 moves upwards by pressing the pressing rod 25, so that the handle 12 can be conveniently pulled to cross the limiting strip 24. At this time, the push rod 13 is pushed reversely to enable the pulling handle 12 to slide to a deeper position in the movable groove 22 from the boss 23, so that the limit of the pulling handle 12 on the movable pressing block 2 is relieved, the movable pressing block 2 is pressed on the wheel 5 downwards under the elastic force action of the spring 3, and the purpose of locking the wheel is achieved; the operation is simple and convenient, the integral structure is simplified, the process of embedding nuts in the movable pressing block 2 and hardware such as purchasing adjusting screws are omitted, the production and the manufacture are easy, and the cost is saved. And when adjusting, the operation can be carried out without taking off the shoes, and the use is simple and convenient.

Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. In addition, although specific terms are used in the description, the terms are used for convenience of description and do not limit the invention, and other structures that are the same as or similar to the terms are also within the scope of the invention.

Claims

1. The utility model provides a pendulum rod formula lock wheel mechanism, its includes that support and a plurality of interval arrangement set up the wheel on this support, its characterized in that: the locking piece comprises a rotating shaft and a pulling handle which is transversely connected to the lower end of the rotating shaft, a mounting hole matched with the rotating shaft is formed in the support corresponding to the position between two adjacent wheels, a through hole which is aligned with the mounting hole is formed in the movable pressing block, the rotating shaft of the locking piece sequentially penetrates through the through hole and the mounting hole and is arranged on the support, the spring is sleeved on the rotating shaft, the upper end of the spring is pressed on the support, the other end of the spring is pressed on the movable pressing block to enable the movable pressing block to move downwards, a movable groove for rotating the pulling handle is formed in the peripheral position of the through hole of the movable pressing block, and a boss which enables the movable pressing block to move upwards and is separated from the wheels when the movable pressing block is matched with the pulling handle is formed in one side position in.

2. The swing link type wheel locking mechanism according to claim 1, wherein: the end of the rotating shaft of the locking piece extends out of the mounting hole and is provided with a strip-shaped clamping head, and the outline of the opening at the upper end of the mounting hole is matched with the outline of the strip-shaped clamping head.

3. The swing link type wheel locking mechanism according to claim 1, wherein: the end of the rotating shaft of the locking piece extends out of the mounting hole and is provided with a snap ring for preventing the rotating shaft from withdrawing from the mounting hole.

4. The swing link type wheel locking mechanism according to claim 1, wherein: the end of the rotating shaft of the locking piece extends out of the mounting hole and is provided with a chuck for preventing the rotating shaft from withdrawing from the mounting hole.

5. The swing link type wheel locking mechanism according to any one of claims 1 to 4, wherein: the boss is provided with a limiting strip for preventing the pulling handle from sliding off the boss.

6. The swing link type wheel locking mechanism according to any one of claims 1 to 4, wherein: one side of the bottom surface of the movable pressing block is provided with a pressing rod which is convenient for pushing the movable pressing block to move upwards.

7. The swing link type wheel locking mechanism according to any one of claims 1 to 4, wherein: one side of the wrenching handle is provided with a push rod which facilitates the rotation of the wrenching handle.

8. The swing link type wheel locking mechanism according to any one of claims 1 to 4, wherein: the upper end diameter of the spring is smaller, and the lower end of the spring is gradually enlarged.