CN213393452U - Transmission structure - Google Patents

Abstract

The utility model discloses a transmission structure, this transmission structure include transmission shell, moving part and coupling assembling. The transmission shell is formed with the mounting groove, and the top of two lateral walls of mounting groove is equipped with spacing limit respectively. The moving part is worn to establish in the mounting groove, is used for installing the input structure between the diapire of moving part and the diapire of mounting groove, is equipped with the joint limit of butt on spacing edge on two lateral walls of moving part respectively, is equipped with the driving cog on the diapire of moving part, and the driving cog can mesh with the input structure, and the moving part is equipped with the connecting hole. The connecting assembly is arranged in the connecting hole in a penetrating mode and used for connecting the moving piece and the output structure. This transmission structure can improve the installation effectiveness and reduce the occupation space.

Description

Transmission structure

Technical Field

The utility model relates to a transmission technical field especially relates to a transmission structure.

Background

Transmission structure among the prior art has great size usually, and its actual range of application is less, simultaneously because transmission structure size is too big, need design in advance the mounting structure who adapts to transmission structure when leading to practical application, makes transmission structure's installation procedure loaded down with trivial details, and the installation effectiveness is lower.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a transmission structure can reduce the occupation space and improve the installation effectiveness.

For realizing the technical effect, the utility model discloses a technical scheme of transmission structure as follows:

a transmission structure comprising: the transmission shell is provided with an installation groove, and the tops of two side walls of the installation groove are respectively provided with a limiting edge; the movable piece penetrates through the mounting groove, an input structure is mounted between the bottom wall of the movable piece and the bottom wall of the mounting groove, clamping edges which abut against the limiting edges are arranged on two side walls of the movable piece respectively, transmission teeth are arranged on the bottom wall of the movable piece and can be meshed with the input structure, and the movable piece is provided with a connecting hole; and the connecting assembly is arranged in the connecting hole in a penetrating manner and is used for connecting the moving piece and the output structure.

Further, the connecting hole is waist shape hole, the length direction in waist shape hole with the length direction of moving part has the contained angle, coupling assembling follows the length direction in waist shape hole movably wears to establish in the waist shape hole.

Further, the transmission case includes: the top wall of the first shell forms the bottom wall of the mounting groove, and one side of the first shell forms the side wall of the mounting groove; the second shell is arranged on the other side of the first shell and connected with the first shell, and the second shell is provided with another side wall of the mounting groove.

Further, be equipped with a spacing groove on the diapire at the both ends of moving part respectively, be equipped with the first spacing arch that a plurality of intervals set up on the diapire of spacing groove, be equipped with the spacing arch of the second that a plurality of intervals set up on the coupling assembling, coupling assembling with when the moving part is connected, adjacent two the cooperation has one between the first spacing arch the spacing arch of second, and/or adjacent two the cooperation has one between the spacing arch of second first spacing arch.

Further, be equipped with the elastic component on the inner wall of mounting groove, be equipped with the groove of stepping down on the lateral wall of moving part, the elastic component butt is in be located the compression state when on the lateral wall of moving part, the elastic component butt is in be located the relaxed state when stepping down in the groove.

Further, the connection assembly includes: a first clamping member; the fastening assembly is arranged at a distance from the first clamping piece; the first locking piece penetrates through the moving piece, the fastening assembly and the first clamping piece and is connected with the first clamping piece.

Further, the fastening assembly includes: the peripheral wall of the fastener is provided with a concave part; the second clamping piece is arranged on the fastener, and a matching portion clamped in the concave portion is arranged on the second clamping piece.

Further, the connection assembly includes: the connecting piece is provided with a fastening bulge; and the second locking piece is arranged in the moving piece in a penetrating manner and is connected with the connecting piece.

Further, the connector includes: a clamping end; the connecting end is connected with the clamping end, and the fastening bulge is arranged on the connecting end.

Further, a matching groove is formed in the bottom wall of the mounting groove and used for bearing the input structure.

The utility model has the advantages that: according to the utility model discloses a transmission structure, because transmission structure whole part is less, the assembly is simple, spacing reliable, can improve transmission structure's installation effectiveness, reduces transmission structure's installation and processing cost. In addition, because the transmission structure of this embodiment is through establishing the driving gear and the cooperation of input structure on the moving part, make the inside other rack and pinion structures that need not additionally to set up of transmission structure, under the prerequisite of the drive effect of input structure to transmission structure guaranteeing, effectively reduced transmission structure's inside accessory quantity to be convenient for reduce the fitting gap between the inside accessory of transmission structure.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

Fig. 1 is a schematic structural diagram of a transmission structure provided in embodiment 1 of the present invention;

FIG. 2 is a schematic structural view of a transmission case and an elastic member according to embodiment 1 of the present invention;

fig. 3 is an exploded view of the transmission structure provided in embodiment 1 and embodiment 2 of the present invention;

fig. 4 is a schematic structural view of a first clamping member and a fastening assembly provided in embodiment 1 of the present invention;

fig. 5 is a schematic view of an internal structure of a movable member and a connecting member according to embodiment 1 of the present invention;

fig. 6 is a schematic view of an internal structure of the moving member and the connecting member according to embodiment 2 of the present invention;

fig. 7 is a schematic view of an internal structure of a movable member and a connecting member according to embodiment 3 of the present invention;

fig. 8 is a partial structural schematic view of the movable member according to embodiment 1 of the present invention.

Reference numerals

1. A drive housing; 11. mounting grooves; 111. a mating groove; 12. a limiting edge; 13. a first housing; 131. a connecting projection; 14. a second housing;

2. a movable member; 21. clamping and connecting edges; 22. a transmission gear; 23. connecting holes; 24. a limiting groove; 241. a first limit protrusion; 25. a yielding groove;

3. a connecting assembly; 31. a first clamping member; 311. a limiting strip; 312. an extension projection; 32. a fastening assembly; 321. a fastener; 3211. a recessed portion; 3212. a mating hole; 3213. a communicating hole; 322. a second clamping member; 3221. a fitting portion; 3222. a mating protrusion; 33. a first locking member; 34. a connecting member; 341. a clamping end; 342. a connecting end; 343. a fastening projection; 35. a second locking member; 36. a second limit bulge;

4. an elastic member; 41. an elastic portion; 42. a rigid portion.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

It will be understood that the terms "central," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing and simplifying the invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The specific structure of the transmission structure of the embodiment of the present invention is described below with reference to fig. 1 to 8.

As shown in fig. 1 to 8, fig. 1 discloses a transmission structure, which includes a transmission case 1, a movable member 2, and a connecting assembly 3. The transmission housing 1 is formed with a mounting groove 11, and the tops of two side walls of the mounting groove 11 are respectively provided with a limit edge 12. The moving part 2 is arranged in the mounting groove 11 in a penetrating mode, an input structure is arranged between the bottom wall of the moving part 2 and the bottom wall of the mounting groove 11, clamping edges 21 which are abutted to the limiting edges 12 are arranged on two side walls of the moving part 2 respectively, transmission teeth 22 are arranged on the bottom wall of the moving part 2, the transmission teeth 22 can be meshed with the input structure, and the moving part 2 is provided with a connecting hole 23. The connecting assembly 3 is arranged in the connecting hole 23 in a penetrating mode, and the connecting assembly 3 is used for connecting the moving piece 2 and the output structure.

It can be understood that, spacing limit 12 and joint limit 21's cooperation can play spacing effect to the relative displacement between moving part 2 and the driving shell 1 on vertical direction, thereby make moving part 2 only can move on the length direction of driving shell 1, and simultaneously, the driving tooth 22 that sets up on the diapire of moving part 2 can mesh with the input structure, wear to be equipped with one coupling assembling 3 in the connecting hole 23 at the both ends of moving part 2 respectively, and coupling assembling 3 can connect moving part 2 and output structure, thereby make the input structure can drive moving part 2 motion, and drive the motion of output structure. According to the transmission structure of this embodiment, overall structure between transmission shell 1 and the moving part 2 is simple reliable, can be accurate turn into the motion of moving part 2 with the motion of input structure reliably, and the setting of connecting hole 23 can be convenient for install coupling assembling 3 on moving part 2, and coupling assembling 3 can be connected with multiple output structure to application scope when transmission structure output motion has been improved. In addition, because the inside clearance installation input structure between the diapire that only passes through mounting groove 11 and moving part 2 of transmission shell 1, accomplish moving part 2's motion simultaneously through driving tooth 22, this meshing mode good reliability, the transmission is stable, and no longer set up other transmission structure among the transmission structure, not only be favorable to transmission structure's rapid Assembly to use, the whole height that can also furthest reduce transmission shell 1 and moving part 2, it is less to make the holistic height of transmission structure, the application scope who has showing and having improved transmission structure.

According to the transmission structure of this embodiment, because transmission structure whole part is less, the assembly is simple, spacing reliable, can improve transmission structure's installation effectiveness, reduces transmission structure's installation and processing cost. In addition, because the transmission structure of this embodiment is through establishing the cooperation of driving gear 22 on moving part 2 with the input structure, make the inside other rack and pinion structures that need not additionally to set up of transmission structure, under the prerequisite of guaranteeing the drive effect of input structure to transmission structure, effectively reduced transmission structure's inside accessory quantity to be convenient for reduce the fitting gap between the inside accessory of transmission structure.

It should be noted that, the specific structure of input structure and output structure is not the key point of the present invention, and those skilled in the art can install the transmission structure of the present invention on any installation structure according to their actual requirements, and realize the transmission of any output structure capable of being connected with the connection assembly 3 through any input structure capable of being matched with the transmission gear 22. For example, the input structure may be a rack segment that is engaged with the transmission teeth 22, and the movable member 2 is driven to move by the movement of the rack segment, or may be a gear shaft that is engaged with the transmission teeth 22, and the movable member 2 is driven to move by the rotation of the gear shaft; the output structure can be either a trolley with rollers connected to the connection assembly 3 or a handle with carrying grooves.

In some specific embodiments, as shown in fig. 2, the limiting edges 12 on the two side walls of the mounting groove 11 are respectively extended in a direction approaching to the other side wall.

It can be understood that, through the above-mentioned structural setting, can form reliable limit structure on the installation shell, moving part 2 joint is between the diapire of spacing limit 12 and mounting groove 11 simultaneously, can be convenient for reduce the whole height behind installation shell and the moving part 2 cooperation.

Of course, in other embodiments of the present invention, the limiting edges 12 on the two side walls of the mounting groove 11 can be extended in a direction away from the other side wall, at this time, the moving member 2 is disposed on the mounting shell, and the clamping edge 21 on the moving member 2 can also abut against the bottom wall of the limiting edge 12, so that the mounting shell can limit the moving member 2 in the vertical direction. The specific structure of the limiting edge 12 on the mounting shell, the specific structure of the clamping edge 21 on the movable member 2, and the limiting fit between the limiting edge 12 and the clamping edge 21 can be determined according to actual requirements, and are not specifically limited in other embodiments of the present invention.

In some embodiments, as shown in fig. 1 and 3, the connection hole 23 is a waist-shaped hole, a length direction of the waist-shaped hole forms an included angle with a length direction of the movable member 2, and the connection member 3 is movably inserted into the waist-shaped hole along the length direction of the waist-shaped hole.

It can be understood that, because connecting hole 23 sets up to waist shape hole, make coupling assembling 3 can carry out the displacement along the length direction in waist shape hole, relative displacement can appear between coupling assembling 3 and the moving part 2 promptly, when the output position of output structure is fixed, under the effect in waist shape hole, moving part 2 can drive the length direction motion in waist shape hole of installation shell edge, the position that makes the installation shell can be adjusted according to actual demand, thereby effectively improved the suitability of transmission structure in the in-service use process.

In some optional embodiments, the length direction of the waist-shaped hole is perpendicular to the length direction of the movable member 2, and when the mounting shell moves in the length direction perpendicular to the length direction of the movable member 2 by a preset length, the movement change of the movable member 2 is the largest, so that the position of the mounting shell on the mounting structure can be conveniently adjusted, and the mounting efficiency and the application range of the transmission structure are improved.

In some embodiments, as shown in fig. 2 and 3, the transmission housing 1 includes a first housing 13 and a second housing 14. The top wall of the first housing 13 forms the bottom wall of the mounting groove 11, and one side of the first housing 13 forms the side wall of the mounting groove 11. The second housing 14 is disposed at the other side of the first housing 13, the second housing 14 is connected to the first housing 13, and the second housing 14 is formed with the other side wall of the mounting groove 11.

It can be understood that the first housing 13 and the second housing 14 can facilitate the installation of the installation shell, and can also facilitate the processing of the installation shell, thereby reducing the processing difficulty of the installation shell.

In some alternative embodiments, as shown in fig. 2 and 3, the first housing 13 is provided with a connecting protrusion 131, and the second housing 14 is provided with a locking hole which is matched with the connecting protrusion 131.

It can be understood that, the arrangement of the connecting protrusion 131 and the locking hole not only can provide a limiting effect on the connection between the first housing 13 and the second housing 14, so that the second housing 14 can be stably and reliably connected to the first housing 13, but also can facilitate the stable connection between the first housing 13 and the second housing 14, for example, a locking structure such as a screw or a pin can be installed on the connecting protrusion 131, and the connection between the first housing 13 and the second housing 14 can also be achieved by riveting, welding, and the like between the connecting protrusion 131 and the locking hole. Furthermore, in the other embodiments of the present invention, the connecting protrusion 131 can be disposed on the second housing 14, the locking hole can be disposed on the first housing 13, and the connecting protrusion 131 and the locking hole can be determined according to actual requirements without specific limitation.

In some embodiments, as shown in fig. 3 to fig. 6, the bottom walls of the two ends of the moving member 2 are respectively provided with a limiting groove 24, the bottom wall of the limiting groove 24 is provided with a plurality of first limiting protrusions 241 arranged at intervals, the connecting member 3 is provided with a plurality of second limiting protrusions 36 arranged at intervals, when the connecting member 3 is connected with the moving member 2, one second limiting protrusion 36 is fitted between two adjacent first limiting protrusions 241, and/or one first limiting protrusion 241 is fitted between two adjacent second limiting protrusions 36.

It can be understood that, coupling assembling 3 is connected with connecting portion and driving medium simultaneously, make coupling assembling 3 can carry on spacingly to moving part 2 and output structure relative displacement in vertical direction, and simultaneously, cooperation between first spacing arch 241 and the spacing arch 36 of second can carry on spacingly to connecting portion and coupling assembling 3 between the length direction of mounting groove 11, thereby make coupling assembling 3 can connect moving part 2 and output structure reliably, effectively reduce moving part 2, relative displacement's possibility appears between coupling assembling 3 and the output structure three, thereby improve transmission structure's motion precision.

In some embodiments, as shown in fig. 2 and 8, the inner wall of the mounting groove 11 is provided with an elastic member 4, the sidewall of the movable member 2 is provided with a relief groove 25, the elastic member 4 is in a compressed state when abutting against the sidewall of the movable member 2, and the elastic member 4 is in a relaxed state when abutting against the relief groove 25.

It can be understood that, when the elastic member 4 abuts on the side wall of the moving member 2, the elastic member 4 can apply elastic force to the moving member 2, and when the elastic member 4 abuts in the receding groove 25, the elastic force of the elastic member 4 received by the moving member 2 disappears, so that an operator can have two different stressed feelings when driving the moving member 2 to move through the input structure, and thus the operator can obtain the position information of the moving member 2 according to the feeling of driving the moving member 2 to use the transmission structure, and the operator can use the transmission structure conveniently. Exemplarily, when the elastic member 4 abuts in the receding groove 25, the movable member 2 can be set to the initial position, so that the elastic member 4 is used as a positioning structure, and the use experience of an operator is improved.

In some specific embodiments, as shown in fig. 2, the elastic element 4 includes two elastic portions 41 and one rigid portion 42, the two elastic portions 41 are disposed at intervals along the length direction of the movable element 2, one end of each of the two elastic portions 41 abuts against the inner wall of the transmission housing 1, and the other end is connected to the rigid portion 42. It will be appreciated that the provision of the rigid portion 42 can facilitate abutment of the elastic member 4 on the relief groove 25.

In some embodiments, as shown in fig. 3-5, the connection assembly 3 includes a first clamping member 31, a fastening assembly 32, and a first locking member 33. The fastening assembly 32 is spaced apart from the first clamping member 31. The first locking member 33 is inserted into the movable member 2, the fastening member 32 and the first clamping member 31 and connected to the first clamping member 31.

It can be understood that, because the first clamping member 31 and the fastening member 32 are arranged at an interval, the first clamping member 31 and the fastening member 32 can respectively abut against the top wall and the bottom wall of the output structure, and the first locking member 33 can simultaneously play a limiting effect on the displacement of the moving member 2, the fastening member 32 and the first clamping member 31 in the horizontal direction and the vertical direction, so as to ensure that the moving member 2 is stably connected with the output structure through the connecting member 3, thereby improving the transmission reliability of the transmission structure.

Exemplarily, the first securing member 33 can be provided as a screw or a bolt.

Alternatively, as shown in fig. 3 to 5, there are a plurality of first locking members 33, the plurality of first locking members 33 are arranged at intervals along the length direction of the movable member 2, and the arrangement of the plurality of first locking members 33 can improve the connection stability of the connection assembly 3 with the output structure.

In some alternative embodiments, as shown in fig. 3 and fig. 6, two ends of the first clamping member 31 are respectively provided with a limiting strip 311, and each limiting strip 311 extends in a direction approaching the movable member 2 in a direction away from the other limiting strip 311.

In some embodiments, as shown in fig. 3-5, the fastening assembly 32 includes a fastener 321 and a second clip 322. The peripheral wall of the fastener 321 is provided with a recess 3211. The second clamping member 322 is disposed on the fastening member 321, and the second clamping member 322 is disposed with a matching portion 3221 clamped in the recess 3211.

It can be understood that, by the above-mentioned structural arrangement, not only can the installation of the fastening assembly 32 on the output structure be facilitated, but also the matching of the concave portion 3211 and the matching portion 3221 can reduce the possibility of relative displacement between the fastening member 321 and the second clamping member 322 in the horizontal direction, thereby improving the connection stability between the fastening member 321 and the second clamping member 322. Of course, in some embodiments, the fastening element 321 and the second clamping element 322 may be integrally provided on the movable element 2, and are not limited herein.

In some alternative embodiments, as shown in fig. 3 to 5, the fastening member 321 is provided with a fitting hole 3212, and the bottom wall of the second clamping member 322 is provided with a fitting protrusion 3222 penetrating the fitting hole 3212. It will be appreciated that the connection relationship between the fastening member 321 and the second clamping member 322 can be further strengthened by the above-described structural arrangement.

In some alternative embodiments, as shown in fig. 5, the fastening member 321 is provided with communicating holes 3213, each communicating hole 3213 is provided corresponding to one of the first fastening members 33, the first clamping member 31 is provided with extending protrusions 312 extending in a direction approaching the fastening member 321, each extending protrusion 312 is provided corresponding to one of the communicating holes 3213, the extending protrusions 312 extend into the communicating holes 3213, and the first fastening member 33 is screwed with the extending protrusions 312. It will be appreciated that the connection relationship between the fastener 321 and the first clamping member 31 can be further strengthened by the above-described structural arrangement.

In some embodiments, as shown in fig. 3 and 6, the connection assembly 3 includes a connector 34 and a second retaining member 35. The connecting member 34 is provided with a fastening protrusion 343. The second locking member 35 is inserted into the movable member 2 and connected to the connecting member 34.

It can be understood that the fastening protrusion 343 can be fitted in the output structure to realize the connection between the connection assembly 3 and the output structure, the fitting between the fastening protrusion 343 and the output structure can be a screw fitting, an interference fitting, or a clearance fitting, and the fitting relationship between the fastening protrusion 343 and the output structure can be determined according to actual requirements without specific limitation. Meanwhile, the second locking member 35 can stably connect the movable member 2 and the connecting member 34, so that stable connection between the movable member 2 and the output structure is realized, and the transmission reliability of the transmission structure is improved.

In some alternative embodiments, as shown in fig. 6, the bottom wall of the connecting member 34 is provided with a fastening protrusion 343. Through the structure setting, the connecting piece 34 can be arranged between the moving piece 2 and the output structure, the installation of the connecting component 3 can be facilitated, the whole height of the transmission structure can be reduced, and the connecting stability between the connecting piece 34 and the moving piece 2 can be further improved. Of course, in other embodiments of the present invention, as shown in fig. 7, the connecting member 34 can also be spaced from the moving member 2, so that the output structure can be disposed between the connecting member 34 and the moving member 2, thereby improving the connection stability of the output structure between the connecting member 3 and the moving member 2.

In some alternative embodiments, the connection element 34 is an integral part of the mobile element 2. It can be understood that the connecting member 34 and the movable member 2 are integrally formed, so that the connection stability of the movable member 2 and the connecting member 34 when the movable member is connected with the output structure can be enhanced, and the transmission reliability of the transmission structure can be improved. Of course, in other embodiments of the present invention, the connecting member 34 and the movable member 2 can be provided as separate structures, which can facilitate the installation of the transmission structure.

Exemplarily, the second locking member 35 can be provided as a screw or a bolt.

Optionally, as shown in fig. 5 and 6, there are a plurality of second locking members 35, the plurality of second locking members 35 are arranged at intervals along the length direction of the movable member 2, and the arrangement of the plurality of second locking members 35 can improve the connection stability of the connection assembly 3 and the output structure.

In some embodiments, as shown in fig. 6 and 7, the connector 34 includes a gripping end 341 and a connecting end 342. The connection end 342 is connected with the clamping end 341, a step is formed between the connection end 342 and the clamping end 341, and the fastening protrusion 343 is provided on the connection end 342.

It can be understood that, the arrangement of the clamping end 341 can facilitate the installation of the transmission structure, limit the connecting piece 34 on the installation structure, further limit the transmission structure on the installation structure as a whole, and reduce the possibility that the transmission structure falls off from the installation structure, thereby facilitating the improvement of the installation efficiency of the transmission structure. The step formed between the connecting end 342 and the clamping end 341 can provide a connecting space of the connecting piece 34, so that the output structure can be abutted against the step surface, thereby further reducing the overall height of the transmission structure and improving the application range of the transmission structure.

In some embodiments, as shown in fig. 2 and 3, a mating groove 111 is formed on the bottom wall of the mounting groove 11, and the mating groove 111 is used for carrying the input structure.

It can be understood that the arrangement of the matching groove 111 enables the input structure not to be suspended, so that the bending phenomenon of the input structure can be avoided, and the transmission structure can have a better protection effect on the input structure. In addition, the input structure is arranged in the matching groove 111, so that the distance between the input structure and the movable piece 2 can be further reduced, the height and the occupied space of the transmission structure are further reduced, and the applicability of the transmission structure is improved.

Example 1:

the transmission structure of an embodiment of the present invention will be described with reference to fig. 1 to 5 and 8.

The transmission structure of this embodiment includes a transmission case 1, a movable member 2, a connecting assembly 3, and an elastic member 4.

The transmission housing 1 is formed with a mounting groove 11, and the tops of two side walls of the mounting groove 11 are respectively provided with a limit edge 12. A fitting groove 111 is formed on the bottom wall of the mounting groove 11, and the fitting groove 111 is used for bearing an input structure. The transmission case 1 includes a first case 13 and a second case 14. The top wall of the first housing 13 forms the bottom wall of the mounting groove 11, and one side of the first housing 13 forms the side wall of the mounting groove 11. The second housing 14 is disposed at the other side of the first housing 13, the second housing 14 is connected to the first housing 13, and the second housing 14 is formed with the other side wall of the mounting groove 11. The first housing 13 is provided with a connecting protrusion 131, and the second housing 14 is provided with a connecting hole 23 which is matched with the connecting protrusion 131.

The moving part 2 is arranged in the mounting groove 11 in a penetrating mode, an input structure is arranged between the bottom wall of the moving part 2 and the bottom wall of the mounting groove 11, clamping edges 21 which are abutted to the limiting edges 12 are arranged on two side walls of the moving part 2 respectively, transmission teeth 22 are arranged on the bottom wall of the moving part 2, the transmission teeth 22 can be meshed with the input structure, and the moving part 2 is provided with a connecting hole 23. The connecting hole 23 is a waist-shaped hole, an included angle is formed between the length direction of the waist-shaped hole and the length direction of the movable piece 2, and the connecting component 3 is movably arranged in the waist-shaped hole in a penetrating mode along the length direction of the waist-shaped hole. The bottom walls of the two ends of the moving part 2 are respectively provided with a limiting groove 24, and the bottom wall of the limiting groove 24 is provided with a plurality of first limiting bulges 241 arranged at intervals.

The connecting assembly 3 is arranged in the connecting hole 23 in a penetrating mode, and the connecting assembly 3 is used for connecting the moving piece 2 and the output structure. The connecting assembly 3 is provided with a plurality of second limiting bulges 36 arranged at intervals, when the connecting assembly 3 is connected with the moving element 2, one second limiting bulge 36 is matched between two adjacent first limiting bulges 241, and/or one first limiting bulge 241 is matched between two adjacent second limiting bulges 36. The connecting assembly 3 comprises a first clamping member 31, a fastening assembly 32 and a first locking member 33. The fastening assembly 32 is spaced apart from the first clamping member 31. The first locking member 33 is inserted into the movable member 2, the fastening member 32 and the first clamping member 31 and connected to the first clamping member 31. The fastening assembly 32 includes a fastener 321 and a second clamp 322. The peripheral wall of the fastener 321 is provided with a recess 3211. The second clamping member 322 is disposed on the fastening member 321, and the second clamping member 322 is disposed with a matching portion 3221 clamped in the recess 3211.

The elastic element 4 is arranged on the inner wall of the mounting groove 11, the side wall of the moving element 2 is provided with a yielding groove 25, the elastic element 4 is in a compression state when abutting against the side wall of the moving element 2, and the elastic element 4 is in a relaxation state when abutting against the yielding groove 25.

Example 2:

the transmission structure according to an embodiment of the present invention will be described with reference to fig. 6.

The transmission structure of this embodiment is substantially the same as that of embodiment 1, and the difference between the two is the structure of the connecting assembly 3, and only the difference between the two is described here, and the structure of this embodiment that is the same as that of embodiment 1 is not described again here.

As shown in fig. 6, the connecting assembly 3 includes a connecting member 34 and a second locking member 35. The connecting member 34 is provided with a fastening protrusion 343. The second locking member 35 is inserted into the movable member 2 and connected to the connecting member 34. The bottom wall of the connecting member 34 is provided with a fastening protrusion 343. The connector 34 includes a clamping end 341 and a connecting end 342. The connection end 342 is connected to the holding end 341, and the fastening protrusion 343 is provided on the connection end 342.

Example 3:

the transmission structure according to an embodiment of the present invention will be described with reference to fig. 7.

The transmission structure of this embodiment is substantially the same as that of embodiment 2, and the difference between the two is the structure of the connecting assembly 3, and only the difference between the two is described here, and the structure of this embodiment that is the same as that of embodiment 2 is not described again here.

As shown in fig. 7, the second clamping member 322 and the movable member 2 are spaced apart from each other, so that the output structure can be disposed between the second clamping member 322 and the movable member 2, and the connection stability of the output structure between the connection assembly 3 and the movable member 2 can be improved.

In the description herein, references to the description of "some embodiments," "other embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims (10)

1. A transmission structure, comprising:

the transmission device comprises a transmission shell (1), wherein a mounting groove (11) is formed in the transmission shell (1), and limiting edges (12) are respectively arranged at the tops of two side walls of the mounting groove (11);

the movable piece (2) penetrates through the mounting groove (11), an input structure is mounted between the bottom wall of the movable piece (2) and the bottom wall of the mounting groove (11), clamping edges (21) abutting against the limiting edges (12) are respectively arranged on two side walls of the movable piece (2), transmission teeth (22) are arranged on the bottom wall of the movable piece (2), the transmission teeth (22) can be meshed with the input structure, and the movable piece (2) is provided with a connecting hole (23);

coupling assembling (3), coupling assembling (3) wear to establish in connecting hole (23), coupling assembling (3) are used for connecting moving part (2) and output structure.

2. The transmission structure according to claim 1, characterized in that the connecting hole (23) is a waist-shaped hole, the length direction of the waist-shaped hole has an included angle with the length direction of the movable member (2), and the connecting component (3) is movably arranged in the waist-shaped hole in a penetrating manner along the length direction of the waist-shaped hole.

3. Transmission structure according to claim 1, characterized in that the transmission housing (1) comprises:

a first housing (13), wherein the top wall of the first housing (13) forms the bottom wall of the mounting groove (11), and one side of the first housing (13) forms the side wall of the mounting groove (11);

the second shell (14), the second shell (14) is established the opposite side of first shell (13), second shell (14) with first shell (13) are connected, second shell (14) are formed with the other lateral wall of mounting groove (11).

4. The transmission structure according to claim 1, characterized in that a limiting groove (24) is respectively arranged on the bottom wall of each of the two ends of the moving member (2), a plurality of first limiting protrusions (241) are arranged on the bottom wall of the limiting groove (24), a plurality of second limiting protrusions (36) are arranged on the connecting member (3), when the connecting member (3) is connected with the moving member (2), one second limiting protrusion (36) is matched between two adjacent first limiting protrusions (241), and/or one first limiting protrusion (241) is matched between two adjacent second limiting protrusions (36).

5. The transmission structure according to claim 1, characterized in that an elastic member (4) is arranged on the inner wall of the mounting groove (11), a yielding groove (25) is arranged on the side wall of the moving member (2), the elastic member (4) is in a compressed state when abutting against the side wall of the moving member (2), and the elastic member (4) is in a relaxed state when abutting against the yielding groove (25).

6. The transmission structure according to claim 1, characterized in that said connection assembly (3) comprises:

a first clamp (31);

a fastening assembly (32), wherein the fastening assembly (32) is arranged at a distance from the first clamping piece (31);

the first locking piece (33) penetrates through the movable piece (2), the fastening component (32) and the first clamping piece (31) and is connected with the first clamping piece (31).

7. The transmission according to claim 6, characterized in that the fastening assembly (32) comprises:

the fastening piece (321), the perisporium of the said fastening piece (321) is equipped with the depressed part (3211);

the second clamping piece (322), second clamping piece (322) establish on fastener (321), be equipped with on second clamping piece (322) the joint in cooperation portion (3221) in depressed part (3211).

8. The transmission structure according to claim 1, characterized in that said connection assembly (3) comprises:

the connecting piece (34), the said connecting piece (34) is equipped with the fastening protrusion (343);

the second locking piece (35), second locking piece (35) wear to establish in moving part (2) and with connecting piece (34) are connected.

9. The transmission structure according to claim 8, characterized in that said connection (34) comprises:

a clamping end (341);

the connecting end (342) is connected with the clamping end (341), and the fastening protrusion (343) is arranged on the connecting end (342).

10. Transmission structure according to any of claims 1-9, characterized in that the bottom wall of the mounting groove (11) is formed with a mating groove (111), the mating groove (111) being used for carrying an input structure.

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