A kind of novel gear shifting device
Technical field
The present invention relates to a kind of gear shifting device device, specifically is a kind of novel gear shifting device.
Background technique
Similar in the market gear shifting device; General structure is that asymmetrical gear shifting device main body and two parts of engage a gear combine, and this gear shifting device structure is when being applied on the product that needs the transposing direction, because gear shifting device main body and engage a gear are dissymmetrical structure; Need open and reinstall again after entire product is changed direction with this gear shifting device; This gear shifting device structure is troublesome poeration when the transposing direction, and if the layman in operation, very easily causes the damage product when opening product.
Summary of the invention
The present invention is directed to the above-mentioned deficiency that exists in the existing technology, a kind of novel gear shifting device is provided.
The present invention realizes through following technological scheme.
A kind of novel gear shifting device; Comprise gear shifting device main body, driving block, engage a gear and securing means, wherein, gear shifting device main center place is provided with a through hole; The gear shifting device agent structure of said through hole both sides is a symplex structure; Said driving block and engage a gear and gear shifting device main body through hole structure on two sides are all suitable, and are plugged on the symplex structure of gear shifting device main body both sides, and fix through securing means.
Said gear shifting device main body comprises ring wall and endless belt, and the endless belt is arranged on the outer surface of ring wall and integrally formed with ring wall.
Said ring wall is divided into internal ring wall and the external annulus that thickness equates; The width of said internal ring wall equates to distance between the edge of external annulus both sides less than the width of external annulus and the edge of internal ring wall both sides; Be respectively arranged with the draw-in groove of symmetry in twos on the both sides of the edge of said internal ring wall; Inwall between the draw-in groove of said radial symmetric is provided with a fixture block, and the center of said fixture block between internal ring wall both sides of the edge and two draw-in grooves is provided with a through hole with fixture block symmetry place on the said ring wall;
The width of said endless belt is less than the width of gear shifting device external annulus; The outer surface of said endless belt is provided with a convexity in the through hole of ring wall; Said convexity is provided with circular hole; Said circular hole communicates with the ring wall through hole, and the endless belt bilateral symmetry at said circular hole place is provided with the projection of width less than ledge width, and said projection extends to the edge of external annulus.
Said driving block comprises that integrally formed from big to small driving block outer wall, driving block middle part and driving block are inner; Wherein, Driving block outer wall, driving block middle part and driving block inside is concentric arrangement from outside to inside vertically; Said driving block center is axially arranged with tapped through hole, and its inwall is provided with screw thread, and the diameter and the screw thread of the diameter of said tapped through hole and screw thread and securing means are suitable.
Radial symmetric place, edge, said driving block middle part is provided with a convexity respectively, and said convexity is extended vertically, and its length is less than the width of driving block inside, and the draw-in groove width on the internal ring wall of its width and gear shifting device main body equates; Offer the square hole concentric with tapped through hole on the said driving block outer wall, the empty degree of depth of said side extends to driving block inside, and communicates with tapped through hole.
Said engage a gear comprises that integrally formed from big to small engage a gear outer wall, engage a gear middle part and engage a gear are inner; Engage a gear outer wall, engage a gear middle part and engage a gear inside concentric arrangement from outside to inside vertically wherein; Said engage a gear outer wall center offers the identical square hole of square hole size shape on the driving block outer wall with driving block; Said engage a gear inside center place is axially arranged with tapped hole; Its inwall is provided with screw thread, and the diameter and the screw thread of the diameter of said tapped hole and screw thread and securing means are suitable, and the degree of depth of said tapped hole extends to the square hole place but do not communicate.
Said engage a gear inside comprises engage a gear inside subject and circle ring column; Said circle ring column is arranged on the center of engage a gear inside subject and integrally formed with the engage a gear inside subject with one heart; The diameter of said circle ring column is the fan-shaped edge that extends to circle ring column vertically less than the diameter of engage a gear inside subject between the part at engage a gear inside subject edge and the circle ring column; Said engage a gear external margin place is provided with a radial projection, and a consistency of thickness that the thickness of said projection and engage a gear are outside and a side margin of position and quadrant are axially consistent.
A kind of novel gear shifting device provided by the invention; Adopt gear shifting device main body, driving block and engage a gear three parts to form; When the present invention uses on the product of needs transposing direction; Because the gear shifting device main body is symplex structure and driving block and the installation of engage a gear symmetry,, be reinstalled on the product again after driving block and the engage a gear transposing direction so can directly split from product through the driving block and the engage a gear of loosening securing means with gear shifting device.The gear shifting device of this structure is simple to operate when the transposing direction, and need not open entire product and install, and more can guarantee the safety of entire product.
Description of drawings
Fig. 1 is an overall structure schematic representation of the present invention;
Fig. 2 is a gear shifting device agent structure schematic representation of the present invention;
Fig. 3 is a gear shifting device main body sectional drawing of the present invention;
Fig. 4 is an engage a gear structural representation of the present invention;
Fig. 5 is an engage a gear sectional drawing of the present invention;
Fig. 6 is a securing means structural representation of the present invention;
Fig. 7 is a driving block structural representation of the present invention;
Fig. 8 is a driving block sectional drawing of the present invention;
Among the figure, 1 is the gear shifting device main body, and 2 is engage a gear, and 3 is driving block, and 4 is securing means; 101 is internal ring wall, and 102 is external annulus, and 103 is the endless belt, and 201 is the engage a gear outer wall, and 202 is the engage a gear middle part; 203 is that engage a gear is inner, and 301 is the driving block outer wall, and 302 is that driving block is inner, and 303 is that driving block is inner.
Embodiment
Elaborate in the face of embodiments of the invention down: present embodiment provided detailed mode of execution and concrete operating process, but protection scope of the present invention is not limited to following embodiment being to implement under the prerequisite with technological scheme of the present invention.
As shown in Figure 1; Present embodiment comprises: gear shifting device main body 1, engage a gear 2, driving block 3 and securing means 4; Wherein, gear shifting device main body 1 center is provided with a through hole, and the gear shifting device agent structure of these through hole both sides is a symplex structure; Engage a gear 2 and driving block 3 are all suitable and be plugged on the symplex structure of gear shifting device theme 1 both sides with the structure of gear shifting device main body through hole both sides, and fixing through securing means 4.
As shown in Figures 2 and 3, gear shifting device main body 1 comprises ring wall and endless belt 103, and endless belt 103 is arranged on the outer surface of ring wall and integrally formed with ring wall; Ring wall comprises internal ring wall 101 and external annulus 102; The width of internal ring wall 101 equates with radial distance between external annulus 102 edges less than the width of external annulus 102 and internal ring wall 101 edges; The place, both sides of the edge of internal ring wall 101 is symmetrical set the draw-in groove of a pair of radial symmetric respectively; The inwall of internal ring wall 101 is provided with a fixture block, and the center of this fixture block between internal ring wall 101 both sides of the edge is provided with a through hole with fixture block symmetry place on the ring wall; The width of endless belt 103 is less than the width of gear shifting device external annulus 102; The outer surface of endless belt 103 is provided with a convexity in the ring wall through hole; This convexity is provided with circular hole; This circular hole communicates with the ring wall through hole, and the endless belt bilateral symmetry at circular hole place is provided with the projection of width less than ledge width, and this projection extends to the edge of external annulus 102.
Like Fig. 7 and shown in Figure 8; Driving block 3 comprises integrally formed from big to small driving block outer wall 301, driving block middle part 302 and driving block inner 303; Wherein, driving block outer wall 301, driving block middle part 302 and driving block inner 303 be concentric arrangement from outside to inside vertically, and driving block 3 centers are axially arranged with tapped through hole; Its inwall is provided with screw thread, and the diameter and the screw thread of the diameter of tapped through hole and screw thread and securing means 4 are suitable.
302 edges, driving block middle part are provided with the convexity of a pair of radial symmetric, and this convexity is extended vertically, and its length is less than the width of driving block inside 302, and the draw-in groove width on the internal ring wall 101 of its width and gear shifting device main body 1 is suitable; Offer on the driving block outer wall 301 with tapped through hole is concentric but the footpath is wider than the square hole of tapped through hole, the empty degree of depth of this side extends to driving block inside 302, and communicates with tapped through hole.
Like Fig. 4 and shown in Figure 5; Engage a gear 2 comprises integrally formed from big to small engage a gear outer wall 201, engage a gear middle part 202 and engage a gear inner 203; Engage a gear outer wall 201, engage a gear middle part 202 and engage a gear inner 203 concentric arrangement from outside to inside vertically wherein, engage a gear outer wall 201 centers offer the similar square hole of square hole size shape on the driving block outer wall 301 with driving block 3; Inner 203 centers of engage a gear are axially arranged with tapped hole, and its inwall is provided with screw thread, and the diameter and the screw thread of the diameter of this tapped hole and screw thread and securing means are suitable, and the degree of depth of this tapped hole extends to the square hole place but do not communicate.
Engage a gear inner 203 comprises engage a gear inside subject and circle ring column; Circle ring column and the concentric setting of engage a gear inside subject and integrally formed with the engage a gear inside subject; The diameter of circle ring column is less than the diameter of engage a gear inside subject; Extend to the edge of circle ring column between the part at engage a gear inside subject edge and the circle ring column vertically, the cross section of this extending body is fan-shaped; Outside 201 edges of engage a gear are provided with a radial projection, and the consistency of thickness of the thickness of this projection and engage a gear outside 201 and a side margin of position and fan-shaped extending body are axially consistent.
When engage a gear 2 and driving block 3 were installed in the both sides of gear shifting device main body 1, the each several part of forming engage a gear 2 and driving block 3 was all suitable with each part-structure of forming the gear shifting device main body, and gear shifting device main body 1, engage a gear 2 and driving block 3 are combined closely.
Present embodiment can be used on any product that needs the transposing direction; Electronic safety lock for example; When the product needed right and left mutually changing,, can directly split from product through the driving block and the engage a gear of loosening securing means with gear shifting device because the gear shifting device main body is symplex structure and driving block and the installation of engage a gear symmetry; Be reinstalled on the product behind driving block and the engage a gear reversing of position, securing means is screwed to get final product again.The gear shifting device of this structure is simple to operate when the transposing direction, and need not open entire product and install, and more can guarantee the safety of entire product.
More than specific embodiment of the present invention is described.It will be appreciated that the present invention is not limited to above-mentioned specific implementations, those skilled in the art can make various distortion or modification within the scope of the claims, and this does not influence flesh and blood of the present invention.