Generally, various types of functional shoes have already been developed for the purpose of exercise, diet, or gait correction. Among them, an example of a functional shoe that is capable of absorbing a wearer's load sufficiently to protect ankle or joint, etc. Referring to the drawings shown as follows.
As shown in FIG. 1, the conventional functional shoe 10 includes an upper 11 formed to insert a wearer's foot and a sole 12 and 13 coupled to form a bottom surface at the bottom of the upper 11. It is made, including, the shoe sole (12, 13) is a portion of the rear incision is made up of the upper sole 12 and the lower sole 13, between the upper sole 12 and the lower sole 13 shoes ( It is coupled to the coil spring 14 at a position corresponding to the heel of 10).
The coil spring 14 is formed with a winding diameter that is upwardly contracted to form a substantially conical shape. The coil spring 14 has a portion of its upper and lower ends directly on the upper sole 12 or the lower sole 13. Insert injection molding is formed integrally or the coil spring 14 is inserted into a separate bracket 15 is inserted into the upper sole 12 or the lower sole 13 by a bolt or the like.
However, such a conventional functional shoe 10 is to bear the load of the wearer by the coil spring 14, in which the coil spring 14 is fixedly coupled to a predetermined position of the shoe 10, It is a structure that can not easily cope with the position of various centers of gravity according to the gait or body shape of the wearer who wears the shoe 10, whereby the load is not easily supported by the coil spring 14 depending on the wearer In addition, there is a risk of discomfort during wearing, and if the center of gravity is severely displaced, the coil spring 14 may be distorted, causing stress on the ankle or joint of the wearer, which may adversely affect health and safety. There is a disadvantage.
The present invention is to solve the problems described above, it is provided to be able to accurately match the center of gravity according to the load of the wearer wearing the shoes can be worn more safely and comfortably, thereby more shock-absorbing effect It is to provide a functional shoe that can be surely exerted to fully meet the needs of the wearer wearing the functional shoes.
According to the present invention, the upper 31 is formed so that the wearer's foot is inserted, the bottom surface of the upper 31 is coupled to form a bottom portion and the rear portion is cut in the upper sole 32 and the lower sole 33 In the shoe comprising a shoe sole 32, 33, the coil spring 35 is provided between the upper sole 32 and the lower sole 33 to elastically support the load of the wearer, the upper sole A coupling portion 34 protrudes from the bottom of the 32, and the coil spring 35 is provided with a bracket 40 to correspond to the coupling portion 34 at an upper end thereof. It is coupled by a screw shaft 37 inserted into the coupling hole 36 formed through the upper sole 32 at the position of the coupling portion 34, the coupling hole 36 of the screw shaft 37 It is formed to a relatively large diameter compared to the diameter of the screw shaft 37 to enable the position movement, the coupling The side of the (34) is provided with a plurality of adjustment bolts (38) that can be fixed in the state in which the screw shaft 37 or the bracket (40) is moved, the coil spring (35) is the adjustment bolt ( A functional shoe is provided which is adapted to be fixed by adjusting its upper position by tightening or releasing of 38).
According to a feature of the invention, the screw shaft 37 is provided with a functional shoe, characterized in that the bushing 41 is further provided.
According to another feature of the present invention, there is provided a functional shoe, characterized in that between the coupling portion 34 and the bracket 40 is further provided with a washer 42, the height difference is formed in the circumferential direction.
According to another feature of the invention, the upper 31 is formed so that the wearer's foot is inserted, the bottom of the upper 31 is coupled to form a bottom portion and the rear part is cut in the upper sole 32 and the lower sole ( In the shoe provided with a coil spring (35) comprising a shoe sole (32, 33) consisting of a 33, between the upper sole 32 and the lower sole 33 can elastically support the load of the wearer In addition, the upper sole 32 is provided with a housing 50 having a lower portion open so that the upper winding portion 39 of the coil spring 35 is inserted into the bottom surface thereof, and the housing 50 has the upper winding portion ( While the inner space 51 formed relatively larger than the winding diameter of 39 is provided, a plurality of adjustment bolts 38 for fixing the upper winding part 39 are provided on the side thereof, and the coil spring ( 35) is the upper position by the tightening or loosening of the adjusting bolt (38). A functional shoe is provided which is adapted to be fixed.
According to another feature of the invention, the housing 50 is provided with a functional shoe characterized in that the locking jaw 52 or the locking member is further provided to support the lower surface of the upper winding portion (39). .
As described above, according to the present invention, a coil spring 35 capable of elastically supporting the load of the wearer is provided, and the upper end of the coil spring 35 is moved by a plurality of adjustment bolts 38. By being able to be fixed at, the position of the center of gravity according to the wearer who wears the shoe 10 can be precisely matched, so that the wearer can wear more secure and comfortable, whereby the wearer's ankle or joint There is an advantage that can minimize the impact to maximize the impact mitigation effect.
In addition, through the coupling hole 36 formed in the upper sole 32 of the shoe soles 32 and 33, the bracket 40 to which the coil spring 35 is coupled is coupled by the screw shaft 37, and the screw shaft ( When the adjusting bolt 38 is provided to adjust the position of 37, a bushing 41 is further provided on the screw shaft 37 so that the end of the adjusting bolt 38 is directly connected to the screw shaft 37. It can be prevented from being in close contact with the pressure to prevent the damage of the screw thread formed on the screw shaft 37, as well as to reduce the adjustment error due to the damage of the screw thread.
In addition, when the bracket 40 is coupled to the upper outsole 32, a washer 42 having a height difference formed between the coupling portion 34 protruding from the upper sole 32 and the bracket 40 is further provided. According to the wearer's body shape or walking, there is an advantage that the load of the load can be prevented by the washer 42 when the center of gravity is tilted from side to side or back and forth.
In addition, when the housing 50 in which the internal space 37 is formed instead of the bracket 35 is provided to directly move the coil spring 35, the configuration is relatively simplified compared to the above-described configuration. It is possible to manufacture, and also provided with a locking jaw 39 or a locking member at the lower portion of the housing 50 has the advantage of preventing the coil spring 35 from being separated from the housing 50.
The objects, features and advantages of the present invention described above will become more apparent from the following detailed description. Hereinafter, described with reference to the accompanying drawings as follows.
2 to 6 illustrate a configuration and an operating state according to various embodiments of the present invention. According to one embodiment of the invention, as shown in Figures 2 and 3, the shoe 30 of the present invention is the upper 31 and the bottom surface of the upper 31 is formed so that the wearer's foot is inserted Formed and coupled shoe soles (32, 33), the shoe soles 32, 33 consists of the upper sole 32 and the lower sole 33 is a portion of the rear portion cut in the upper sole 32 and Between the lower sole 33 is mounted a coil spring 35 that can support the load elastically in a position corresponding to the heel of the shoe 30 (or the sole surface of the heel portion), which is a conventional configuration Something similar.
In this configuration, in the present invention, the coupling portion 34 having a substantially circular cross section is formed to protrude from the bottom of the upper sole 32, and the coil spring 35 has a cone whose winding diameter is approximately reduced upwardly. It is provided in a shape (which is according to an embodiment of the present invention, the shape is not particularly limited) and the lower end is inserted into the lower sole 33 is integrally coupled and the upper end is the coupling portion 34 It is coupled to the insert injection bracket (40) in the shape corresponding to).
The bracket 40 is coupled to the bottom surface of the coupling portion 34 by a screw shaft 37 inserted into the coupling hole 36 formed through the upper sole 32, the coupling hole 36 Is formed in a relatively large diameter compared to the diameter of the screw shaft 37 in the position of the coupling portion 34 to form a play so that the screw shaft 37 can move, the screw shaft 37 is It is provided in the form of a conventional countersunk bolt to minimize the protrusion to the inside of the shoe 30 as well as to prevent the head portion from falling into the coupling hole 36, the dish washer on the top of the coupling hole 36 It is provided so that it may be caught by 43.
By such a configuration, the upper end of the bracket 40 and the coil spring 35 formed integrally with the bracket 40 can be adjusted according to the movement of the screw shaft 37, and the position is adjusted. A plurality of adjustment bolts 38 are screwed into about 3 to 6 on the side of the coupling portion 34 so as to be fixed in a state so as to press and fix the screw shaft 37 in various directions.
More preferably, when the screw shaft 37 is directly pressurized by the adjusting bolt 38, the screw thread formed on the screw shaft 37 may be damaged and an error may occur when adjusting the screw shaft ( A bushing 41 is further coupled on the bushing 41, and the bushing 41 is screwed to the screw shaft 37 so that its outer circumferential surface is square in shape without being shaken, so that an end of the adjusting bolt 38 is provided. Is in surface contact.
In addition, a washer 42 having a height difference in the circumferential direction may be further coupled between the coupling part 34 and the bracket 40. According to the washer 42, when the wearer wears the shoe 30, Or by correcting the height to the right (or front and rear side) to prevent the center of gravity to be tilted left and right according to the wearer's body shape or gait can give a more comfortable fit.
By such a configuration, if the screw shaft 37 is to be moved, the screw shaft is tightened by tightening the adjusting bolt 38 opposite to the moving direction of the screw shaft 37 in the state in which all the adjusting bolts 38 are loosened. After moving (37), the remaining adjustment bolt 38 is tightened again to fix the position, and the position of the washer 42 is unscrewed from the screw shaft 37 to adjust its position. 37) to tighten it.
At this time, the adjustment bolt 38 is not particularly limited in shape, but is preferably provided with a bolt of a flat head (normally tanned bolt) to tighten the square groove formed at its end using a tool such as a wrench or The coil spring 35 and the housing 50 are provided in a state of being exposed to the outside, so that the appearance is considered.
In addition, according to another embodiment of the present invention, as shown in Figure 4, in adjusting the position of the coil spring 35, the position of the adjustment bolt 38 is provided to press the screw shaft 37 In addition to being may be provided to fix the bracket 40, for this purpose the coupling portion 34 has an insertion groove 45 is formed on the bottom, the bracket 40 in the insertion groove (45) In the inserted state, the outer circumferential surface of the bracket 40 is pressed and fixed by the adjusting bolt 38. At this time, the insertion groove 45 is formed to be relatively large compared to the diameter of the bracket 40 is provided so that the bracket 40 is movable in the insertion groove 45, other than the configuration described above It is similar to the configuration of the embodiment.
By the above-described configuration, the upper end of the coil spring 35 is integrally molded to the bracket 40 by insert injection, and the coil spring 35 is adjusted by adjusting the screw shaft 37 coupled to the bracket 40. However, according to another embodiment of the present invention, as shown in FIG. 5, the housing 50 having a lower shape is provided on the bottom of the upper sole 32, The coil spring 35 has a conical shape in which its winding diameter is reduced upwardly so that its upper winding part 39 is inserted into the housing 50. At this time, the coil spring 35 is the lower winding portion is fixedly coupled to the position to the lower sole 33, the upper winding portion 39 is the inner space 51 formed in the housing 50 It is provided to be able to change its position in the) is provided to be fixedly supported by a plurality of adjustment bolts 38 provided on the side of the housing (50).
Referring to this in more detail with reference to FIG. 6, the inner space 51 formed in the housing 50 is formed relatively larger than the winding diameter of the upper winding portion 39, whereby the upper winding portion ( 39 is formed to be able to flow in the front and rear, left and right within the inner space 51, the adjustment bolt 38 is provided in a state of being screwed to the side of the housing 50 of about 3 to 6 pieces.
The plurality of adjustment bolts 38 are fixed to support the upper winding portion 39 in a state in which the tip thereof is tightened to be in close contact with the outer circumferential surface of the upper winding portion 39 in various directions, and the wearer adjusts its position. In order to adjust the position of the upper winding portion 39 in a state in which the adjustment bolt 38 is loosened, the adjustment bolt 38 is to be tightened again.
For example, if you want to move the upper winding portion 39 to the left side after tightening the adjustment bolt 38 provided on the right side in the state that all the adjustment bolts 38 loosened, after moving the upper winding portion 39, Re-tightening the remaining adjustment bolt 38 to fix the position of the upper winding portion (39).
At this time, the adjustment bolt 38 is not particularly limited in shape, but is preferably provided with a bolt of a flat head (normally tanned bolt) to tighten the square groove formed at its end using a tool such as a wrench or The coil spring 35 and the housing 50 are provided in a state of being exposed to the outside, which is considered in appearance.
As described above, the present invention is not only able to fix the coil spring 35 by the housing 50 and the adjusting bolt 38 as described above, and to fix the coil spring 35 to the adjusting bolt 38. It is possible to exert a sufficient supporting force by, but in addition to the bottom surface of the housing 50 to support the lower surface of the upper winding portion 39 to prevent the coil spring 35 from being separated in the vertical direction from the housing 50 The locking jaw 52 (shown in FIG. 5) or the locking member may be further provided.
The present invention described above is not limited to the above-described configuration and the accompanying drawings, and various substitutions, modifications, and changes are possible within the scope without departing from the technical spirit of the present invention. It will be apparent to those who have knowledge.
