TWI449604B - Sun gear coaxially driven screw and nut structure - Google Patents

Description

Sun gear coaxial drive screw nut structure

Conventionally, a screw nut group or a screw device with a star-type force locking or adjusting or disassembling is used to set the inner ring gear to the nut, and the cylindrical sun gear is disposed on the bolt to drive the star gear to drive The nut of the inner ring gear is used for locking or loosening. However, when the above structure is used for locking or loosening the nut, the axial position of the star gear must be moved, the operation is inconvenient and the interference space is large, and the present invention The sun gear coaxial drive screw nut structure is configured to set the inner ring gear to the nut, and the rocker arm structure of at least one star gear is disposed on the bolt, and is locked or loosened by the sun gear coaxially driven with the center of the nut. Screw nut group or spiral structure.

Conventionally, a screw nut group or a screw device with a star-type force locking or adjusting or disassembling is used to set the inner ring gear to the nut, and the cylindrical sun gear is disposed on the bolt to drive the star gear to drive The nut of the inner ring gear is used for locking or loosening. However, when the above structure is used for locking or loosening the nut, the axial position of the force-applying star gear must be moved, the operation is inconvenient and the interference space is large.

The sun gear coaxial drive screw nut structure of the invention has the inner ring gear disposed on the nut, and the rocker arm structure of at least one star gear is disposed on the bolt, and is locked or loosened by the sun gear coaxially driven with the center of the nut. Put on the screw nut group or spiral structure.

Conventionally, a screw device that is locked or adjusted or disassembled with a star-type force, for example, has a screw nut group, and the inner ring gear is disposed on the nut, and the cylindrical sun gear is disposed on the bolt to drive the star gear to drive the star gear. Nut with inner ring gear for Locking or loosening, but when the above structure is used for locking or loosening the nut, the axial position of the force-applying star gear must be moved, the operation is inconvenient and the interference space is large, and the sun gear coaxial drive screw nut of the present invention The structure is that the inner ring gear is disposed on the nut, the rocker arm structure of at least one star gear is disposed on the bolt, and the sun gear coaxial drive screw nut is locked or loosely operated by the sun gear coaxially with the center of the nut. Structure structure.

Figure 1 is a top cross-sectional view of the present invention.

Figure 2 is a side cross-sectional view of the present invention.

Figure 3 is a perspective exploded view of the present invention.

As shown in FIG. 1 to FIG. 3, the main components of the present invention include: -- the outer cover 100 is a bottle-like structure and is locked to the stud 140 by a shaft post 128 for being fitted to the drivable nut. The upper outer ring of 101 is used to protect the star wheel set; the driveable nut 101 is an annular structure, and the inner ring upper structure can be integrally formed or combined to set the inner ring gear 102, and the lower part of the structure has The internal thread 112 is coupled to the thread 142 of the stud 140 for driving on the sun gear cylinder 121. When the inner ring gear 102 is driven by the star gear 131, the forward or reverse rotation is used to loosen or lock the drive screw. The outer portion of the stud 140 has a thread 142 for coupling to the internal thread 112 of the drivable nut 101, and the upper portion of the head of the stud 140 is provided with one or more shaft posts 128 for the swing gear 131 to rotate. The head of the stud 140 is provided with an axial blind hole 126 for the lower end of the sun gear cylinder 121 to protrude from the shaft structure 125; the satellite gear 131 is provided with a shaft hole 130 for coupling with the shaft column 128. Rotating for the sun gear coupled to the sun gear cylinder 121 and the inner ring gear 102 of the drivable nut 101 , While the function of the planetary gear set may be configured to interact with it; coupling head 140 of the above-described pinion gear 131 and the stud can also inversely structure, and by the pinion gear 131 is provided coaxially projecting shaft-like structure, and in the spiro A shaft hole is arranged at the top of the column head for being a rotatable coupler; the shaft column 128 and the planetary gear 131 may be composed of one or more; -- the sun gear cylinder 121: the sun gear cylinder 121 is The columnar structure, the upper structure thereof may be integrally formed or combined to form the cylindrical tooth end 122, and the sun gear cylinder 121 has a polygonal through hole or blind hole 124 for coupling with an external tool along the axial center, or The structure of the multi-faceted cylinder 124' is driven by a tool coupled thereto; as shown in FIG. 4, the polygonal through-hole or blind hole 124 of FIG. 1 to FIG. 3 is replaced by a multi-faceted cylinder 124'. FIG. 5 is a side cross-sectional view showing the multi-faceted column 124' of FIG. 1 to FIG.

If the polygonal gear hole 121 or the blind hole 124 of the sun gear cylinder 121 is a through hole, and the polygonal hole 143 is provided in the screw 140, it can be penetrated by an external multi-angle wrench to match the stud 140. The polygonal hole 143 is used as a coupling for the slewing drive; the lower end of the sun gear cylinder 121 has a protruding shaft structure 125 for rotation of the axial blind hole 126 coupled to the top of the stud 140, and the sun gear cylinder 121 can be rotated. The driver of the operating tool that is randomly coupled with the separation, or the operating tool is formed in combination with the sun gear cylinder 121 or the integral structure; the sun gear coaxially driven screw nut structure, the sun Another configuration of the convex shaft structure 125 provided by the gear cylinder 121 and the shaft hole 126 provided by the head of the stud 140 is relatively rotatable. The protruding shaft structure 125 and the axial blind hole may be used. 126 is set in the opposite direction; the above-mentioned sun gear coaxial drive screw nut structure can also be provided with a concave polygonal hole 143 in the axial blind hole 126 provided at the head of the stud 140 for the sun gear column Projecting shaft structure 125 provided by body 121 Of convex polyhedral cylinder for coupling by: As shown in FIG. 6 , a side cross-sectional view of the concave polygonal hole 143 is provided in the axial blind hole 126 ; FIG. 7 is a perspective exploded view of FIG. 6 .

The sun gear coaxial drive screw nut structure can drive the operating tool by a human drive or a fluid motor or a mechanical or electric motor to drive the sun gear cylinder 121, and then drive the inner ring gear 102 via the star gear 131. The nut 101 can be driven, and the double-rotation effect is generated by the deceleration multiple of the star gear group to drive the nut 101 to be screwed to the thread 142 of the stud 140 for locking or loosening; the sun gear coaxial drive The shock-proof washer gasket can be selectively disposed between the drivable nut 101 and the stud 140 of the screw nut structure, or directly screwed to the thread 142 of the stud 140, and the root end of the stud 140 is: (1 The stud 140 is welded to the structure 200, and the nut 101 can be driven to be screwed to the stud 140 to lock or release the fixed body 300. The stud is oriented toward the end of the tool and has a a concave polygonal or polygonal cylinder; as shown in FIG. 8 is a schematic view of the application of the driven stud 140 of the present invention to the structural body 200; or (2) the stud 140 is screwed to the stud structure. The screw hole of the structure 200, the nut 101 is screwed to the stud 140 to be fixed The body 300 is locked or released, and is characterized in that the stud is facing the end of the tool and has a concave polygonal hole or a polygonal column. As shown in FIG. 9, the stud 140 of the present invention is screwed to the structural body 200. Schematic diagram of the application of the screw hole; or (3) the stud 140 is inserted through the structure 200, and the other end is screwed to the structure 200, and the nut 101 is screwed to the stud 140 to the fixed body 300. For locking or releasing, the stud has a concave polygonal or polygonal cylinder facing the end of the tool; as shown in FIG. 10, the stud 140 of the present invention penetrates the structural body, and the other end is another Schematic diagram of the application with a nut; or (4) the stud 140 is inserted through the structural body 200, and the other end has a limited rotation square bolt The stud head is coupled to the structural body 200, and the nut 101 is screwed to the stud 140 to lock or release the fixed body 300. The stud is oriented toward the end of the tool and has a concave polygonal hole or more. An angled cylinder; as shown in FIG. 11 is a schematic view of the application of the stud 140 of the present invention through the structural body 200, and the other end of the stud is studded; or (5) the stud 140 is inserted through the structure. Between the 200 and the fixed body 300, the nut 101 is screwed to both ends of the stud 140 to lock or release the fixed body 300, and the stud is oriented toward the end of the tool and has a concave multi-angle. A hole or a polygonal cylinder; as shown in FIG. 12 is a schematic view of the application of the drive nut 101 at both ends of the stud 140 of the present invention; the sun gear coaxial drive screw nut structure, the driving operation tool is The driving operation of the sun gear cylinder 121 and/or the stud 140 in one or more of the following driving modes includes: (1) a forward steering or a reverse rotation driver; (2) a reciprocating drive, one of which The driving direction produces a driving effect, and the other direction is a one-way driving that does not generate a driving action. (3) In the reciprocating drive, one of the driving directions can be selected to drive, and the other direction is the one-way driver that does not generate the driving action; the sun gear coaxially driven screw nut structure, the sun gear The driving manner of the cylinder 121 and/or the stud 140 includes a convex multi-faceted cylinder or a concave polygonal hole 124 by the sun gear cylinder 121, and/or a protrusion of the head of the stud 140 a multi-faceted cylinder or polygonal aperture 143 driven by a randomly coupled toggle tool, or driven by a rotary drive; or a fixed or combined or detachable combination with a drive tool or drive; Driving tool or device for sun gear coaxial drive screw nut structure, except for using various socket wrenches, or open end wrenches, or closed wrenches, or inner corners In addition to the driving tool such as a wrench or a driver, the driving tool may further include a driving tool having one or more of the following functional devices, such as: (1) a device having a driving torque limit function; (2) having an adjustable (3) a functional device having an analog or digital display capable of displaying a driving torque; (4) a functional device having an acoustic or voice capable of displaying a driving torque state; (5) A lamp function device capable of displaying a driving torque state.

100‧‧‧ outer cover

101‧‧‧ driveable nut

102‧‧‧ Inner ring gear

112‧‧‧ internal thread

121‧‧‧Sun Gear Cylinder

122‧‧‧ cylindrical end

124‧‧‧Polygonal or blind holes

124’‧‧‧Multi-faceted cylinder

125‧‧‧ protruding shaft structure

126‧‧‧Axial blind hole

128‧‧‧ shaft column

130‧‧‧Axis hole

131‧‧‧Star Gear

140‧‧‧ Stud

142‧‧‧ thread

143‧‧‧ concave polygonal hole

200‧‧‧ structure

300‧‧‧Fixed body

Figure 1 is a top cross-sectional view of the present invention.

Figure 2 is a side cross-sectional view of the present invention.

Figure 3 is a perspective exploded view of the present invention.

4 is a perspective view showing the polygonal through hole or blind hole 124 of FIGS. 1 to 3 replaced by a polygonal cylinder 124'.

Fig. 5 is a side cross-sectional view showing the multi-faceted column 124' provided in Figs. 1 to 3.

6 is a side cross-sectional view showing the concave polygonal hole 143 in the axial blind hole 126 shown in FIGS. 1 to 3.

FIG. 7 is a perspective exploded view of FIG. 6.

FIG. 8 is a schematic view showing the application of the driven stud 140 of the present invention to the structure 200.

FIG. 9 is a schematic view showing the application of the stud 140 of the present invention screwed to the screw hole of the structure 200.

FIG. 10 is a schematic view showing the application of the stud 140 of the present invention through the structure body and the other end of the nut.

FIG. 11 is a schematic view showing the application of the stud 140 of the present invention through the structural body 200 and the other end of the stud pin stud.

FIG. 12 is a schematic view showing the application of the driveable nut 101 at both ends of the stud 140 of the present invention.

100‧‧‧ outer cover

101‧‧‧ driveable nut

102‧‧‧ Inner ring gear

112‧‧‧ internal thread

121‧‧‧Sun Gear Cylinder

122‧‧‧ cylindrical end

124‧‧‧Polygonal or blind holes

125‧‧‧ protruding shaft structure

126‧‧‧Axial blind hole

128‧‧‧ shaft column

130‧‧‧Axis hole

131‧‧‧Star Gear

140‧‧‧ Stud

142‧‧‧ thread

Claims (12)

The utility model relates to a sun gear coaxial drive screw nut structure, wherein the inner ring gear is arranged on the nut, the rocker arm structure of at least one star gear is arranged on the bolt, and the sun gear coaxially driven with the center of the nut is locked or loosened. The screw nut group or the spiral structure of the operation; the sun gear coaxial drive screw nut structure, the main components thereof include:-- outer cover (100): for the bottle-like structure and the axle column (128) Locked to the stud (140) for fitting the outer ring of the upper portion of the drivable nut (101) to protect the star wheel set; -- the drive nut (101): an annular structure inside The upper ring structure may be integrally formed or combined to provide an inner ring gear (102), and the lower portion of the structural body has an internal thread (112) for coupling with a thread (142) provided on the stud (140) for the sun gear cylinder. (121) is driven, when the inner ring gear (102) is driven by the star gear (131), by the forward or reverse rotation to loosen or lock the driver (101); the external part of the stud (140) The thread (142) is coupled to the internal thread (112) of the drivable nut (101), and the upper portion of the head of the stud (140) is provided with one or more shafts (128) for the star gear (131) to rotate, the stud (140) head is provided with an axial blind hole (126) for the lower end of the sun gear cylinder (121) to protrude from the shaft structure (125 rotates therein) The shaft column (128) and the star gear (131) may be composed of one or more; -- the star gear (131): for providing a shaft hole (130) for coupling with the shaft column (128) For coupling between the sun gear of the sun gear cylinder (121) and the inner ring gear (102) of the drivable nut (101) to form an interactive star wheel set; -- the sun gear cylinder (121): The sun gear cylinder (121) is a columnar structure, and the upper structure thereof may be integrally formed or combined to form a cylindrical tooth end (122), and the sun gear cylinder (121) has an axial center. a polygonal through hole or blind hole (124) coupled to an external tool, or a structure in the form of a polyhedral cylinder (124') to receive a tool coupled thereto Motivator. The sun gear coaxial drive screw nut structure according to the first aspect of the patent application, the coupling manner of the star gear (131) and the stud (140) head may also have an opposite structure, and is a star gear ( 131) The shaft is arranged in a coaxial convex shape, and the shaft hole is arranged at the top of the stud head as a coupler for rotation. The sun gear coaxial drive screw nut structure according to claim 1, wherein the polygonal gear hole (124) of the sun gear cylinder body (121) is a through hole or a blind hole (124) at the center of the axial direction, and is The stud (140) is provided with a polygonal hole (143) which can be inserted by an external multi-angle wrench to be a slewing drive coupler with the polygonal hole (143) of the stud (140). The sun gear coaxial drive screw nut structure according to claim 1, wherein the lower end of the sun gear cylinder (121) has a protruding shaft structure (125) for coupling to the stud (140). The axial blind hole (126) at the top rotates, the sun gear cylinder (121) is driven by an operating tool that is randomly coupled to it, or the operating tool is combined with the sun gear cylinder (121). Formed or integrated into the structure. The sun gear coaxial drive screw nut structure according to claim 4, wherein the sun gear coaxial drive screw nut structure, the sun gear cylinder (121) is provided with a convex shaft structure (125) Another configuration for coupling the relative rotation of the shaft hole (126) provided in the head of the stud (140) may be to align the protruding shaft structure (125) with the axial blind hole (126). By. The sun gear coaxial drive screw nut structure according to claim 4, wherein the sun gear coaxial drive screw nut structure can also be arranged in the axial blind hole of the stud (140) head (126) A concave polygonal hole (143) is provided for coupling with the polygonal cylindrical body (125) disposed by the sun gear cylinder (121). The sun gear coaxial drive screw nut structure according to claim 1, wherein the sun gear cylinder (121) can be driven by a human drive or a fluid motor or a mechanical or electric motor to drive the operating gear (121). The star gear (131) is driven with an inner ring gear (102) The nut (101) can be driven, and the double-rotation effect is generated by the reduction factor of the star gear group, so as to drive the drive nut (101) and screw the thread (142) of the stud (140) for locking or loosening. Release. A stud structure driven by a sun gear coaxially driven screw nut structure, the root end of the stud (140) is welded to the structure body (200), and the nut (101) can be driven for screwing Studs (140) for locking or releasing the fixed body (300), characterized in that the studs are facing the end of the tool and have a concave polygonal or polygonal column. A stud structure driven by a sun gear coaxially driven screw nut structure, the root end of the stud (140) includes a screw hole that is screwed to the structure body (200) in a stud structure, and the nut (101) For screwing to the stud (140) to lock or release the fixed body (300), which is characterized by the stud facing the end of the tool and having a concave polygonal or polygonal cylinder. A stud structure driven by a sun gear coaxially driven screw nut structure, wherein a root end of the stud (140) includes a structure penetrating through the structure body (200), and the other end has a nut coupled to the structure body (200), the nut (101) is screwed to the stud (140) to lock or release the fixed body (300), and the stud is oriented toward the end of the tool and has a concave polygonal hole or Polygonal cylinder. A stud structure driven by a sun gear coaxially driven screw nut structure, wherein a root end of the stud (140) includes a structure extending through the structure body (200), and the other end is coupled to a square bolt stud head. In the structure (200), the nut (101) is screwed to the stud (140) to lock or release the fixed body (300), and the stud has a concave shape toward the end of the tool. Multi-angle or polygonal cylinders. A stud structure driven by a sun gear coaxially driven screw nut structure, the root end of the stud (140) is included between the structural body (200) and the fixed body (300), and the nut ( 101) for screwing to both ends of the stud (140) to lock or release the fixed body (300), characterized by the stud facing the end of the tool and having a concave polygonal hole or a polygonal cylinder By.