CN116510280A - Pulley device for walking sole - Google Patents

Abstract

The invention relates to a pulley device for a shoe sole to be violently walked, which comprises an inner core seat and a pulley assembly, wherein the bottom surface of the inner core seat is provided with two grooves which are bilaterally symmetrical, the side wall of the grooves is provided with guide holes which are aligned with each other, the pulley assembly comprises a wheel shaft and two pulleys which are arranged on the wheel shaft, the wheel shaft is arranged on the side wall of the grooves along the guide holes, the two ends of the wheel shaft extend outwards from the inner core seat, the pulley device further comprises a limiting device, the limiting device is integrally formed by connecting a control rod and a U-shaped stop lever, the left side and the right side of the U-shaped stop lever are respectively provided with a hook part which is matched with and limits the two ends of the wheel shaft, the top surface of the inner core seat is provided with a sliding groove, and the control rod extends towards the rear side of the inner core seat along the sliding groove. The pulley of this application stretches out and withdraws many times, can not arouse the structural deformation of guiding hole, and the shaft is difficult for taking place not hard up, and guiding hole opening part between two recesses can be dismantled and be connected with the mounting, and the mounting makes the shaft can not take place to drop, slides factor of safety height.

Description

Pulley device for walking sole

Technical Field

The invention relates to the technical field of soles, in particular to a pulley device for a shoe sole to be violently walked.

Background

The walking shoes are special sport shoes which are provided with a pulley at the heel part, and a wearer can roll on the ground by a few steps, and are recreational sport casual shoes which are more and more favored by modern people. The traditional shoes structure function of walking is comparatively single, pulley and sole components of a whole that can function independently set up, and this kind of shoes exist following not enough when using: 1. the pulley needs to be carried with, is easy to lose, and can not be used in a sliding way; 2. the pulley is installed or disassembled by means of a tool, so that the time and the labor are wasted when the disassembly tool is found, and the use is inconvenient; 3. after a period of use, the pulley is dismantled with the help of instrument prying many times, and the shaft repeatedly extrudees the draw-in groove, easily causes draw-in groove deformation and wearing and tearing, and the frictional force of draw-in groove and shaft is not enough to lead to the shaft not hard up, takes place the pulley when sliding even and drops, has the potential safety hazard of falling down the injury.

Disclosure of Invention

The invention provides a pulley device for a walk-through shoe, which solves the problems that the pulleys are easy to lose, the assembly and the disassembly are time-consuming and labor-consuming by means of tools, and the pulleys are easy to send loose and fall off to cause falling injury and the like in the existing walk-through shoe.

The invention adopts the following technical scheme:

the utility model provides a pulley gear for violently walk sole, including interior core seat and pulley assembly, interior core seat bottom surface is equipped with two bilateral symmetry's recess, the lateral wall of recess is equipped with the guiding hole of mutual alignment, pulley assembly includes shaft and two installs at epaxial pulley, the shaft is erect on the recess lateral wall along the guiding hole and the inwards core seat of shaft both ends stretches out outward, the pulley is put into in the recess respectively, guiding hole opening part between two recesses can be dismantled and be connected with the mounting, still include stop device, this stop device is connected integrated into one piece by control rod and U type pin, the left and right sides of U type pin is equipped with the couple portion at the spacing above-mentioned shaft both ends of cooperation respectively, the sliding groove has been seted up to the top surface of above-mentioned interior core seat, the control rod stretches out along this sliding groove inwards core seat rear side, when pushing the control rod to couple portion break away from the shaft forward, the pulley can follow the notch of recess downwardly stretching out.

Further improved, the device also comprises a shell, wherein a cavity which is in an up-down penetrating structure is arranged in the shell, the inner core seat is adaptively inserted into the cavity, two sliding rails are arranged on the bottom surface of the shell, and a sliding cover for covering the opening of the cavity is arranged in the sliding rails.

Further improved, a first pressure spring is arranged at the top of the guide hole between the grooves, and the lower end of the first pressure spring is propped against the middle part of the wheel shaft.

Further improved, the rear side wall of the inner core seat is provided with a convex block, the rear end of the control rod is provided with a baffle plate which bends downwards, and a second pressure spring is connected between the convex block and the baffle plate.

Further improved, the fixing piece is provided with a round hole, a screw is assembled in the round hole, a screw hole groove is formed in the middle of the inner core seat, and the fixing piece is inserted into the screw hole groove through the screw to be connected with the inner core seat.

Further improved, the left and right side walls of the inner core seat are provided with convex edges, and two sides of the U-shaped stop lever are propped against the convex edges.

Further improved, the left and right side walls of the inner core seat are respectively provided with a limit lug, and two sides of the shell are respectively provided with a notch matched with the limit lug.

Further, the limiting device is made of metal.

As can be seen from the above description of the structure of the present invention, compared with the prior art, the present invention has the following advantages:

1. the pulley is assembled in the groove, and the function switching between the flat bottom mode and the pulley mode is realized through the cooperation of the hook part of the limiting device and the wheel shaft, so that the pulley is kept hidden in the sole and is not easy to be lost;

2. after the control rod of the limiting device moves forwards until the wheel shaft is separated from the hook part, the first pressure spring recovers deformation to enable the wheel shaft to descend, the pulley extends outwards from the shell, the second pressure spring recovers deformation to enable the hook part to return to the original position, and the wheel shaft is propped against the outer edge of the hook part, so that the pulley does not need to extend or retract by means of tools, the tool searching time is saved, the operation steps are simple, and the use is quite convenient;

3. the pulley of this application stretches out and withdraws many times, can not arouse the structural deformation of guiding hole, and the shaft is difficult for taking place not hard up, and guiding hole opening part between two recesses can be dismantled and be connected with the mounting, and the mounting makes the shaft can not take place to drop, slides factor of safety height.

Drawings

Fig. 1 is a schematic perspective view of a pulley device according to the present invention.

Fig. 2 is a schematic diagram showing a split structure of the pulley device of the present invention.

Fig. 3 is a schematic side view of the pulley device of the present invention.

Fig. 4 is a schematic perspective view of the inner core holder and the limiting device of the present invention.

Wherein: the device comprises an inner core seat 1, a shell 2, a limiting device 3, a pulley 4, a groove 10, a second pressure spring 11, a convex block 12, a convex edge 13, a limiting convex block 14, a guide hole 101, a screw hole groove 102, a sliding groove 103, a notch 140, a cavity 20, a sliding rail 21, a sliding cover 22, a fixing piece 23, a round hole 230, a control rod 31, a baffle 311, a U-shaped stop lever 32, a hook 321 and a wheel axle 41.

Detailed Description

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

Referring to fig. 1 to 3, a pulley 4 device for exposing a sole comprises an inner core seat 1 and a pulley assembly, wherein two bilaterally symmetrical grooves 10 are arranged on the bottom surface of the inner core seat 1, guide holes 101 which are aligned with each other are arranged on the side walls of the grooves 10, the grooves 10 are communicated with the grooves 10 through the guide holes 101, the pulley assembly comprises a pulley shaft 41 and two pulleys 4 arranged on the pulley shaft 41, the pulley shaft 41 is arranged on the side walls of the grooves 10 along the guide holes 101, two ends of the pulley shaft 41 extend outwards from the inner core seat 1, the pulleys 4 are respectively placed in the grooves 10, a fixing piece 23 is detachably connected to the opening of the guide holes 101 between the two grooves 10, the limiting device 3 is integrally formed by connecting a control rod 31 and a U-shaped stop lever 32, hook parts 321 which are matched with and limit the two ends of the pulley shaft 41 are respectively arranged on the left side and the right side of the U-shaped stop lever 32, a sliding groove 103 is formed on the top surface of the inner core seat 1, the control rod 31 extends towards the rear side of the inner core seat 1, and when the pulley 4 is pushed forwards to the control rod 31 to the hook parts 321, and the pulley 4 can be separated from the notch of the groove 10 downwards.

Referring to fig. 1 and 2, the inner core seat 1 is adapted to be inserted into the cavity 20, a gap is reserved between the left and right side walls of the inner core seat 1 and the inner side wall of the housing 2, the hook 321 is inserted into the gap, two sliding rails 21 are arranged on the bottom surface of the housing 2, a sliding cover 22 for covering the opening of the cavity 20 is arranged in the sliding rails 21, sand and stone are prevented from entering the groove 10 by the sliding cover 22, and the pulley 4 is ensured to stretch out or retract smoothly and can be normally used.

Referring to fig. 2, a first compression spring (not shown) is installed at the top of the guide hole 101 between the grooves 10 and 10, the lower end of the first compression spring is abutted against the middle of the wheel shaft 41, the first compression spring resumes its deformation to force the wheel shaft 41 to move downward, and the grooves 10 protrude outward from the opening of the cavity 20.

The rear side wall of the inner core seat 1 is provided with a bump 12, the rear end of the control rod 31 is provided with a baffle 311 which bends downwards, a second pressure spring 11 is connected between the bump 12 and the baffle 311, and the second spring recovers deformation to promote the limiting device 3 to reset.

Referring to fig. 2 and 4, the fixing member 23 has a circular hole 230, a screw is assembled in the circular hole 230, a screw hole groove 102 is formed in the middle of the inner core holder 1, the fixing member 23 is inserted into the screw hole groove 102 through the screw to connect the inner core holder 1, the upper wall of the housing 2 is clamped between the fixing member 23 and the inner core holder 1, and the fixing member 23 ensures that the wheel axle 41 is not easy to fall off from the guide hole 101. Simultaneously, mounting 23 can be dismantled, and guiding hole 101 opening is down, the dismouting pulley assembly of being convenient for.

Referring to fig. 2, the left and right side walls of the inner core seat 1 are provided with protruding edges 13, and two sides of the U-shaped stop lever 32 are abutted against the protruding edges 13.

Referring to fig. 2, the left and right side walls of the inner core seat 1 are provided with limiting protrusions 14, two sides of the housing 2 are respectively provided with a notch 140 adapted to the limiting protrusions 14, and the limiting protrusions 14 are matched with the notches 140, so that the inner core seat 1 can be conveniently inserted into the alignment cavity 20.

The stopper 3 is made of a metal material, and preferably the stopper 3 is made of an iron material.

Referring to fig. 1 to 4, in sliding use, the sliding cover 22 is slid forward to open the opening of the cavity 20, the finger pushes the control rod 31 forward until the end of the axle 41 is separated from the hook 321, the limit of the hook 321 to the axle 41 is released, the axle 41 is driven to slide down onto the fixing member 23 by the elastic force of the first compression spring restoring deformation, the pulley 4 extends downward through the opening of the cavity 20, and the pulley 4 is exposed out of the sole. When the fingers are released, the elastic force of the second pressure spring 11 for recovering deformation promotes the reset of the limiting device 3, the hook portion 321 is aligned with the guide hole 101, when the sole slides, the gravity of a person presses down, the wheel shaft 41 moves up to the lower edge of the abutting hook portion 321, the hook portion 321 prevents the wheel shaft 41 from moving up, and the pulley 4 is ensured to be exposed out of the sole and used normally in a sliding manner.

With continued reference to fig. 1 to 4, when the flat bottom is in use, the control rod 31 is pushed forward by the right hand until the hook 321 is dislocated from the guide hole 101, the pulley 4 is pressed by the left hand to retract into the groove 10, the wheel axle 41 moves up to the top of the guide hole 101, the right hand is released, the pushing force on the control rod 31 is relieved, the limiting device 3 is driven to reset by the elastic force of the second pressure spring 11 to recover deformation, the wheel axle 41 is clamped into the hook 321 again, the left hand is released, the pulley 4 is prevented from being ejected downwards by the hook 321, the sliding cover 22 is slid to close the opening of the cavity 20, and the operation is simple and convenient.

After the control rod 31 of the limiting device 3 moves forwards to the wheel shaft 41 to be separated from the hook portion 321, the wheel shaft 41 is enabled to descend by restoring deformation of the first pressure spring, the pulley 4 stretches out of the shell 2, the hook portion 321 is enabled to return to the original position by restoring deformation of the second pressure spring 11, the wheel shaft 41 is propped against the outer edge of the hook portion 321, so that the pulley 4 stretches out and retracts without tools, the time for searching tools is saved, the operation steps are simple, and the use is quite convenient.

The foregoing is merely illustrative of specific embodiments of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modification of the present invention by using the design concept shall fall within the scope of the present invention.

Claims (8)

1. The utility model provides a pulley gear for violently walk sole, includes interior core seat and pulley assembly, and interior core seat bottom surface is equipped with two bilateral symmetry's recess, and the lateral wall of recess is equipped with the guiding hole of mutual alignment, and pulley assembly includes shaft and two installs at epaxial pulley, and the shaft is erect on the recess lateral wall along the guiding hole and the inward core seat in shaft both ends stretches out outward, and the pulley is put into in the recess respectively, and the guiding hole opening part between two recesses can be dismantled and be connected with the mounting, its characterized in that: still include stop device, this stop device is connected integrated into one piece by control rod and U type pin, and the left and right sides of U type pin is equipped with the cooperation respectively spacingly the couple portion at shaft both ends, slide the groove has been seted up to the top surface of inner core seat, and the control rod stretches out to the inner core seat rear side along this slide groove, when pushing forward the control rod to couple portion break away from the shaft, the pulley can be followed the notch of recess and stretched out downwards.

2. A roller assembly for use in a walk-through shoe sole as claimed in claim 1, wherein: the inner core seat is inserted into the cavity in an adapting mode, two sliding rails are arranged on the bottom surface of the shell, and a sliding cover for covering an opening of the cavity is arranged in the sliding rails.

3. A roller assembly for use in a walk-through shoe sole as claimed in claim 1, wherein: the top of the guide hole between the grooves is provided with a first pressure spring, and the lower end of the first pressure spring is propped against the middle part of the wheel shaft.

4. A roller assembly for use in a walk-through shoe sole as claimed in claim 1, wherein: the rear side wall of the inner core seat is provided with a protruding block, the rear end of the control rod is provided with a baffle plate which bends downwards, and a second pressure spring is connected between the protruding block and the baffle plate.

5. A roller assembly for use in a walk-through shoe sole as claimed in claim 1, wherein: the fixing piece is provided with a round hole, a screw is assembled in the round hole, a screw hole groove is formed in the middle of the inner core seat, and the fixing piece is inserted into the screw hole groove through the screw to be connected with the inner core seat.

6. A roller assembly for use in a walk-through shoe sole as claimed in claim 1, wherein: convex edges are arranged on the left side wall and the right side wall of the inner core seat, and two sides of the U-shaped stop lever are propped against the convex edges.

7. A roller assembly for use in a walk-through shoe sole as claimed in claim 1, wherein: limiting convex blocks are arranged on the left side wall and the right side wall of the inner core seat, and notches matched with the limiting convex blocks are respectively arranged on two sides of the shell.

8. A roller assembly for use in a walk-through shoe sole as claimed in claim 1, wherein: the limiting device is made of metal materials.