JP3215418U - Torsional structure of spring and abdominal muscle roller using the structure - Google Patents

Abstract

The present invention provides a torsion spring structure that can extend a service life even if a torsion spring is used for a long time, and an abdominal muscle roller using the structure. A torsion spring 3 and a torsion spring 3 are fitted on a shaft rod in a torsion structure of a spring and an abdominal muscle roller using the structure by installing a spiral localization tank 211 on one end surface of the shaft rod 2. One end of the torsion spring is fitted in the stereotaxic tank, and the stereotactic component 4 connects the shaft rod. The end of the torsion spring is positioned, and the abdominal muscle roller using this spring torsion structure has handles on both the left and right sides of the support base. A front roller and a rear roller are installed at the bottom of the support base, and a spring torsion structure is installed inside at least one roller. Further, the other end of the torsion spring having a spring torsion structure is connected to the inside of the roller, and moves forward on the ground where the abdominal muscle roller is installed, or moves backward by the elastic recovery force of the torsion spring. [Selection] Figure 1

Description

  The present invention relates to a torsion structure of a spring and an abdominal muscle roller using the structure, and in particular, the torsion spring does not break even when used for a long time, thereby extending the service life of the abdominal muscle roller product.

  Currently, the abdominal muscle roller commonly seen in the market mainly includes a support base. A handle is provided on each of the left and right sides of the support table, and a front roller and a rear roller are installed on the bottom of the support table, respectively. A torsion spring is installed inside each of the front roller and the rear roller. Each of the two torsion springs fits on the shaft, and one end of each of the two torsion springs is fixed inside each of the front roller and the rear roller, and the other end of each of the two torsion springs is two each. Fix it on the shaft. When the user tilts forward and both hands hold the handles on the left and right sides of the support base, they move forward on the ground, move backwards, and pull back backwards, depending on the elastic recovery force of the torsion spring. Smoothens and regularly trains the user's lower back to achieve health benefits.

Special Table 2006-528902

  As a problem to be solved, when the other ends of the two torsion springs are respectively fixed on the two shaft rods, the other ends of the torsion springs are bent. Therefore, it is fixed and fixed with a screw, but in the process where the torsion spring is twisted and extended many times, this kind of sudden bending structure is cut by stress concentration, so the service life of the product will be shortened It is.

  In the present invention, a spiral localization tank is installed on one end face of the shaft rod, and the torsion spring is fitted on the shaft rod. One end of the torsion spring fits in the stereotaxic tank, and the stereotactic component connects the shaft rod. The abdominal muscle roller using the above-mentioned spring torsion structure with the end of the torsion spring positioned is provided with a handle on each of the left and right sides of the support base. A front roller and a rear roller are installed on the bottom of the support base, and a spring twist structure is installed inside at least one of the front roller and the rear roller. Furthermore, the other end of the torsion spring having a spring torsion structure is connected to the inside of the roller, and the abdominal muscle roller can move forward on the ground surface or move backward by the elastic recovery force of the torsion spring.

  The torsion structure of the spring of the present invention and the abdominal muscle roller using the structure do not break even when the torsion spring is used for a long time, and has the advantage of extending the service life of the abdominal muscle roller product.

It is a component exploded view of a preferred embodiment of the spring torsion structure of the present invention. It is a three-dimensional appearance instruction diagram of a preferred embodiment of the spring torsion structure of the present invention. FIG. 4 is an exploded view of a preferred embodiment of the abdominal muscle roller of the present invention.

  In view of these drawbacks, the above-mentioned drawbacks are improved by providing a different structure from the known technique in order to improve the defects, unlike the structure of the known technique. The inventor has devised the present invention through years of experience and constant research activities.

  In the process of twisting and extending one end of a known torsion spring, the problem that stress concentrates easily breaks is improved, and the spring torsion structure is hard to break even after long use, and the service life of the abdominal muscle roller product is extended. It is an object of the present invention to provide a torsion structure of a spring and an abdominal muscle roller structure using the structure.

  In order to achieve the above object, the spring torsion structure of the present invention includes a shaft rod, a torsion spring and a stereotaxic component. Among them, one end surface of the shaft rod is provided with a helical localization tank. The torsion spring is fitted on the shaft rod, and one end of the torsion spring is spirally engaged with the inside of the stereotaxic bath. The localization component also connects the shaft rods to localize the end of the torsion spring.

  At the time of implementation, the end surface of the shaft rod is provided with a first fixed part, and the localization component is provided with a second fixed part, and the first fixed part is connected.

  In operation, the first fixed portion protrudes in an axial direction from the end surface of the shaft rod and is provided with a circular rod having an external screw pattern. Further, the second localization part forms an inner screw hole in the localization component axis, and the first fixed part is screwed together.

  In operation, the shaft includes a housing and a left central shaft and a right central shaft extending in opposite directions from two opposite end surfaces of the housing. The first fixed part and the left central axis are coaxial, the diameter of the first fixed part is larger than the diameter of the left central axis, and the stereotaxic tank surrounds the peripheral edge of the first fixed part.

  The abdominal muscle roller of the present invention includes a support base. The left and right sides of the support base are each provided with a handle, the bottom of the support base is provided with a front roller and a rear roller, and at least one of the front roller and the rear roller is provided with a spring twist structure. The torsion spring having a spring torsion structure is fitted on the shaft, and one end of the torsion spring is connected to the inside of the roller, and the other end of the torsion spring is connected to the end surface of the shaft.

  To better understand the present invention, it will be described below.

  1 and 2 show a preferred embodiment of the spring torsion structure 1 of the present invention, which includes a shaft rod 2, a torsion spring 3 and a localization component 4.

  The shaft rod 2 includes a housing 21, a left center shaft 22, a first fixed portion 23, and a right center shaft 24. Among them, the housing 21 has two left and right end faces in opposite directions, and the left end face of the shaft 21 has a spiral localization tank 211. The left center shaft 22 and the first fixed portion 23 are on the same axis, and at the same time extend from the left end surface of the housing 21 to the left in the axial direction. The first fixed portion 23 protrudes in the axial direction from the left end surface of the shaft rod 2 and has a single circle of an external screw pattern. The diameter of the first fixed portion 23 is larger than the diameter of the left central shaft 22, the localization tank 211 surrounds the peripheral edge of the first fixed portion 23, and the right central shaft 24 extends rightward in the axial direction from the right end surface of the housing 21.

  The torsion spring 3 is fitted on the casing 21 of the shaft rod 2, and the torsion spring 3 includes two localization ends 31 and 32. One end thereof is spirally arranged correspondingly and is engaged in the localization tank 211 on the left end face of the shaft 2. Further, the localization component 4 is a disc piece, and has an internal screw hole of the localization component 4 penetrating on the axial center of the localization component 4, and the internal screw hole serves as a second localization portion 41. When the second localization part 41 is screwed into the first fixed part 23, the plate surface of the localization component 4 is firmly aligned with the left end surface of the housing 21, and one end of the torsion spring 3 is firmly localized in the localization tank 211. To do. At the time of implementation, the first fixed portion 23 of the shaft rod 2 and the second fixed portion 41 of the fixed component 4 may be male-female fitting or screwed joint, respectively, and similarly, the first fixed portion 23 and the second fixed portion 41 are connected. Then, one end of the torsion spring 3 is localized.

  Shown in FIG. 3 is a good embodiment of the abdominal muscle roller 5 of the present invention, which includes a support base 51. The left and right uppermost portions of the support base 51 are each provided with a handle 52, and the left and right both sides of the support base 51 are provided with a left side plate 53 and a right side plate 54, respectively. Among them, the front and rear ends of the left side plate 53 are pivoted to the left side of the front roller 55 and the left side of the rear roller 56, respectively, and the front and rear ends of the right side plate 54 are the right side of the front roller 55 and the right side of the rear roller 56, respectively. The front roller 55 and the rear roller 56 are positioned at the bottom of the support base 51.

  The spring torsion structure 1 is placed in the front roller 55 and positioned. At the time of implementation, the spring torsion structure 1 may be placed and positioned in the rear roller 56, or the spring torsion structure 1 may be placed and positioned in the front roller 55 and the rear roller 56, respectively. May be. In this embodiment, the left center shaft 22 and the right center shaft 24 of the shaft 2 are pivoted to the left end of the support base 51 and the front ends of the right side plates 53 and 54, respectively, and the localization end 32 of the torsion spring 3 is screwed forward. Screw the inside of the roller 55. Further, another localization end 31 of the torsion spring 3 is connected on the left end face of the shaft 2. When the user tilts forward and grasps the handles 52 on the left and right sides of the support base 51 with both hands, the user moves forward on the ground or moves backward. When it is pulled back further, the elastic recovery force of the torsion spring 3 makes the operation smooth, and regularly trains the user's waist to achieve a health effect.

  As described above, the present invention provides a spring torsion structure that can achieve the intended purpose, and the spring torsion structure does not break even when used for a long time and extends the service life of the abdominal muscle roller product, and an abs muscle roller using the structure , Because it is extremely valuable for industrial use, apply for utility model registration.

DESCRIPTION OF SYMBOLS 1 Spring torsion structure 2 Shaft rod 21 Housing 211 Positioning tank 22 Left center shaft 23 First fixed portion 24 Right core shaft 3 Torsion spring 31 Positioning end 32 Positioning end 4 Positioning component 41 Second positioning portion 5 Abdominal muscle roller 51 Support stand 52 Handle 53 Left side plate 54 Right side plate 55 Front roller 56 Rear roller

Claims (5)

In the spring torsion structure,
A shaft rod provided with a helical stereotaxic bath on one end surface thereof,
A torsion spring that fits on the shaft, has one end spiral, and fits in the stereotaxic tank;
A torsion structure for a spring, characterized in that the spring includes a localization component that connects the shaft rod and localizes the end of the torsion spring.   2. The spring according to claim 1, wherein a first fixed portion is installed on the end surface of the shaft rod, and a second fixed portion is installed on the localization component, and the first fixed portion is connected. 3. Twisted structure.   The first fixed portion protrudes axially from the end face of the shaft rod and has a circular thread with an outer thread pattern, and the second fixed portion is formed in an inner screw hole of the localization component shaft and The spring twisting structure according to claim 1, wherein the first fixed portion is screwed together.   The shaft rod includes a left central shaft and a right central shaft extending in the axial direction from two ends of the housing and the opposite direction of the housing, respectively, and the first fixed portion and the left central shaft are coaxial, 4. The torsion structure of a spring according to claim 3, wherein the diameter of the fixed part is larger than the diameter of the left central axis, and the stereotaxic tank surrounds the peripheral edge of the first fixed part. The abdominal muscle roller having the spring-twisted structure includes a support base, each of the left and right sides of the support base is provided with a handle, and the bottom of the support base is provided with a front roller and a rear roller, and the front roller and the rear roller Among them, at least one of the rollers has a spring torsion structure, the torsion spring of the spring torsion structure is fitted on the shaft rod, and one end of the torsion spring connects the inside of the roller, 2. The torsion spring according to claim 1, wherein the other end of the torsion spring is connected to the end face of the shaft rod, and the abdominal muscle roller using the structure.