CN216618433U - Synchronous belt subassembly and camera - Google Patents

Abstract

The application provides a hold-in range subassembly and camera. The synchronous belt subassembly includes: the device comprises a driving component, a driven pulley, a synchronous belt and a tensioning component; the synchronous belt is sleeved on the driving component and the driven belt wheel, and the driving component can drive the driven belt wheel to rotate through the synchronous belt; tensioning assembly locates between drive assembly and the driven pulley, supports to the direction that is kept away from the driven pulley and pushes away driving motor to tensioning hold-in range. The camera comprises a lens assembly and the synchronous belt assembly; the driven belt wheel is connected with the lens component. The timing belt assembly of the present application can maintain the timing belt in a tensioned state.

Description

Synchronous belt subassembly and camera

Technical Field

The application relates to the field of transmission belts, in particular to a synchronous belt assembly and a camera.

Background

Many machines that require a drive transfer motion through a timing belt, such as a video camera. The phenomena of tooth jumping, tooth falling and the like caused by the looseness and abnormity of a plurality of synchronous belts due to long-time running affect the normal work of transmission.

SUMMERY OF THE UTILITY MODEL

The application provides a hold-in range subassembly and camera can solve the lax problem of hold-in range.

The application provides a hold-in range subassembly includes: the device comprises a driving assembly, a driven belt wheel, a synchronous belt and a tensioning assembly; the synchronous belt is sleeved on the driving assembly and the driven belt wheel, and the driving assembly can drive the driven belt wheel to rotate through the synchronous belt; the tensioning assembly is arranged between the driving assembly and the driven belt wheel and pushes the driving assembly in a direction away from the driven belt wheel so as to tension the synchronous belt.

Further, drive assembly include driving motor and with the driving pulley that driving motor is connected, the hold-in range cup joint in driving pulley with driven pulley, tensioning assembly supports and pushes away driving motor.

Further, the tensioning assembly comprises a supporting member, a fixing member and an elastic member; the fixing piece is used for being fixedly connected with an external structure, the supporting piece can move relative to the fixing piece, the elastic piece is elastically abutted between the supporting piece and the fixing piece, and the elastic piece is in a compressed state and is abutted against and pushed against the supporting piece in the direction away from the driven belt wheel, so that the supporting piece is abutted against and pushed against the driving assembly in the direction away from the driven belt wheel.

Further, the tensioning assembly includes a fastener; the fixing piece is provided with a through hole, and the axial direction of the through hole is arranged along a first direction; the fastening piece penetrates through the through hole to be fixedly connected with the supporting piece and is in limit fit with the surface of the fixing piece, which faces away from the supporting piece in the first direction; the supporting member is movable relative to the fixed member in the first direction; the elastic piece pushes the supporting piece in the direction departing from the driven belt wheel in the direction opposite to the first direction, so that the supporting piece pushes the driving assembly in the direction departing from the driven belt wheel in the direction opposite to the first direction.

Furthermore, the supporting piece comprises a supporting main body and a fixing part arranged on one side surface of the supporting main body close to the fixing piece, the elastic piece is sleeved on the fixing part, the supporting main body pushes against the driving assembly, the fixing part extends along the first direction and corresponds to the through hole, and the outer diameter of the fixing part is matched with the aperture of the through hole; the fastener penetrates through the through hole and is fixedly connected with the fixing part; the fixing portion is movable along the through hole.

Further, the fixing part comprises a first fixing part and a second fixing part, the fastening part comprises a first fastening part and a second fastening part, and the through hole comprises a first through hole and a second through hole; the first fastener penetrates through the first through hole to be fixedly connected with the first fixing part, and the second fastener penetrates through the second through hole to be fixedly connected with the second fixing part.

Furthermore, the elastic piece is sleeved on the fixing part, and the length of the elastic piece in a natural state is larger than or equal to that of the fixing part.

Further, the fixing piece comprises a first mounting part and a second mounting part connected with the first mounting part, and the extending direction of the first mounting part is different from that of the second mounting part; the first mounting portion and the second mounting portion are for assembly with an external structure.

Further, the first mounting portion and the second mounting portion are perpendicular.

Further, first installation department includes first mounting hole, the axial of first mounting hole sets up along first direction, the second installation department includes the second mounting hole, the axial of second mounting hole sets up along the second direction, the second direction with first direction is perpendicular.

Further, the first mounting portion includes a first mounting side and a second mounting side opposite to the first mounting side, the second mounting portion extends from the first mounting side to the support member, and the fixing member includes a mounting baffle extending from the second mounting side to the support member; the supporting piece comprises a supporting main body and a supporting baffle, the supporting main body and the first mounting portion are oppositely arranged, the supporting main body pushes the driving assembly, and the supporting baffle extends from the side edge of the supporting main body to the fixing piece and is located between the second mounting portion and the mounting baffle.

The application provides still provides a camera. The camera comprises a lens assembly and the synchronous belt assembly of any one of the above, wherein the driven pulley is connected with the lens assembly.

The synchronous belt assembly of some embodiments of this application includes tensioning assembly, and tensioning assembly locates between drive assembly and the driven pulley, supports to the direction of following the driven pulley of dorsad and pushes away drive assembly to the messenger cup joints in drive assembly and driven pulley's synchronous belt and keeps the tensioning state, can solve the lax problem of synchronous belt, prevents phenomenons such as tooth, the tooth of taking off, guarantees driven normal work.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.

FIG. 1 is a perspective view of one embodiment of a camera of the present application;

FIG. 2 is a cut-away schematic view of the camera shown in FIG. 1;

FIG. 3 is a perspective view of the synchronization strip assembly of the camera shown in FIG. 1;

FIG. 4 is another angular perspective view of the timing belt assembly shown in FIG. 3;

FIG. 5 is a further angular, partially exploded, perspective view of the timing belt assembly shown in FIG. 3;

FIG. 6 is a partial schematic view of the synchronization strip assembly shown in FIG. 3 installed in a camera;

FIG. 7 is an exploded perspective view of the tension assembly of the timing belt assembly shown in FIG. 3;

FIG. 8 is a schematic perspective view of the tensioning assembly shown in FIG. 7;

FIG. 9 is a schematic view of one state of the tension assembly shown in FIG. 7;

FIG. 10 is a schematic view of another condition of the tension assembly shown in FIG. 7;

FIG. 11 is a cross-sectional view of the timing belt assembly shown in FIG. 3;

FIG. 12 is a schematic perspective view of another embodiment of the subject timing belt assembly;

FIG. 13 is a partially exploded schematic view of the timing belt assembly of the embodiment of FIG. 12;

FIG. 14 is a partial cross-sectional schematic view of the timing belt assembly of the embodiment of FIG. 12.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. "plurality" or "a number" means two or more. Unless otherwise indicated, "front", "rear", "lower" and/or "upper" and the like are for convenience of description and are not limited to one position or one spatial orientation. The word "comprising" or "comprises", and the like, means that the element or item listed as preceding "comprising" or "includes" covers the element or item listed as following "comprising" or "includes" and its equivalents, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

FIG. 1 is a general schematic view of an embodiment of a camera 9 of the present application; fig. 2 is a cut-away schematic view of the camera 9 of the embodiment shown in fig. 1. Referring to fig. 1 and 2, the present application provides a camera 9, which in some embodiments includes a lens assembly 8 and a timing belt assembly 7, wherein the timing belt assembly 7 is connected to the lens assembly 8 to move the lens assembly 8, so that the lens assembly 8 can rotate.

Fig. 3 is a perspective view of the timing belt assembly 7. Referring to fig. 2 and 3, in some embodiments, the timing belt assembly 7 includes a driving assembly 35, a driven pulley 81, a timing belt 6, and a tension assembly 4. The camera 9 comprises a housing 1, and a drive assembly 35 is secured within the housing 1.

In some embodiments, the timing belt 6 is sleeved on the driving assembly 35 and the driven pulley 81, and the driving assembly 35 can drive the driven pulley 81 to rotate through the timing belt 6. The tension assembly 4 is arranged between the driving assembly 35 and the driven pulley 81, and pushes the driving assembly 35 in a direction away from the driven pulley 81 to tension the synchronous belt 6. The driving assembly 35 drives the driven pulley 81 to rotate by driving the synchronous belt 6 to move. The driven pulley 81 is connected to the lens module 8, and the driven pulley 81 rotates to drive the lens module 8 to rotate. Tensioning assembly 4 is located between drive assembly 35 and the driven pulley 81, supports to the direction of keeping away from driven pulley 81 and pushes away drive assembly 35 to the messenger cup joints in drive assembly 35 and driven pulley 81's hold-in range 6 and keeps the tensioning state, can solve hold-in range 6's lax problem, prevents phenomenons such as tooth, the tooth that takes off, guarantees driven normal work.

In some embodiments, the driving assembly 35 includes a driving motor 3 and a driving pulley 5 connected to the driving motor 3, the synchronous belt 6 is sleeved on the driving pulley 5 and the driven pulley 81, and the tensioning assembly 4 pushes against the driving motor 3. The rotating shaft of the driving motor 3 is fixedly connected with the driving belt wheel 5, and the driving motor 3 drives the driving belt wheel 5 to rotate. The driving motor 3 is fixedly assembled in the housing 1. Tensioning set 4 supports and pushes away driving motor 3, can prevent that driving motor 3 from becoming flexible to shift and causing hold-in range 6 to relax, and driving motor 3 area is great moreover, and tensioning set 4 and driving motor 3 can offset steadily to tensioning set 4 can support and push away driving motor 3 steadily. The timing belt assembly 7 further comprises a pre-tightening screw 31 for mounting the timing belt assembly 7.

FIG. 4 is another angular schematic view of the timing belt assembly 7 shown in FIG. 3; FIG. 5 is a further angle schematic of the timing belt assembly 7 shown in FIG. 3; FIG. 6 is a partial schematic view of the timing belt assembly of FIG. 3 installed in a camera. Referring to fig. 4, 5 and 6, in some embodiments, the driving motor 3 includes a screw hole 33, the pre-fastening screw 31 is inserted into the screw hole 33, the driving motor 3 can move along the tensioning direction of the timing belt 6 when the pre-fastening screw 31 is pre-fastened, and the driving motor 3 is fixed at a required position according to a required degree of tensioning.

FIG. 7 is an exploded perspective view of the tension assembly of the timing belt assembly shown in FIG. 3; figure 8 is a perspective view of the tensioning assembly shown in figure 7. Referring to fig. 7 and 8, in one embodiment of the present application, the tension assembly 4 includes a support member 41, a fixing member 42, and an elastic member 43. The fixing member 42 is used for being fixedly connected with an external structure, the supporting member 41 can move relative to the fixing member 42, the elastic member 43 elastically abuts between the supporting member 41 and the fixing member 42, the elastic member 43 is in a compressed state and pushes the supporting member 41 in a direction away from the driven pulley 81, and the supporting member 41 pushes the driving assembly 35 in a direction away from the driven pulley 81.

In some embodiments, the housing 1 includes a mounting structure 2, which is an external structure fixedly connected to the fixture 42. The fixing element 42 of the tensioning assembly 4 is fixedly connected to the mounting structure 2. In some embodiments, the means of securing the connection is a bolted connection. In other embodiments, it may be a snap connection, which ensures that the fixing member 42 is fixed relative to the housing 1, and the supporting member 41 can move in the compression direction of the elastic member 43. In some embodiments, the support 41 of the tension assembly 4 abuts the drive motor 3 and the elastic member 43 is in a compressed state to tension the timing belt 6.

In some embodiments, the pre-tightening screw 31 may loosen during use due to long-term transmission of the timing belt 6. Or, the synchronous belt 6 is loosened, and the phenomena of tooth jumping, tooth falling and the like are caused due to abnormity, so that the normal work of transmission is influenced. The supporting member 41 of the tensioning assembly 4 of the embodiment of the application is abutted against the driving motor 3, so that the elastic member 43 is in a compressed state, and the elastic member 43 can provide an elastic force in a direction away from the outer assembly 8 for the driving motor 3 and the driving pulley 5 connected with the driving motor 3, so as to be matched with the outer assembly 8 to tension the synchronous belt 6. Thus, the problem of loosening of the timing belt 6 can be solved, and the timing belt 6 can be kept in a tensioned state.

Elastic component 43 is in compression state, promotes bearing 41 supports driving motor 3, so, realizes the effect of hold-in range 6 tensioning, solves the problem that hold-in range 6 is lax, realizes that this application hold-in range subassembly 7 can keep the effect of hold-in range 6 tensioning. In some embodiments, the stiffness of the elastic member 43 may be adjusted according to the requirements of the tensioning of the timing belt 6 and the position of the mounting structure 2. In some embodiments, the elastic member 43 can be replaced at any time after the elastic failure, only the elastic member 43 needs to be replaced, and the actual deformation amount of the elastic member 43 is determined according to the loosening condition, the model selection and the use occasion of the synchronous belt 6.

Referring to fig. 7 and 8, in some embodiments, the tension assembly 4 includes a fastener 44; the fixing member 42 is provided with a through hole 424, and the axial direction of the through hole 424 is arranged along the first direction 4 a; the fastening member 44 passes through the through hole 424 to be fixedly connected with the supporting member 41 and is in limit fit with the surface of the fixing member 42 facing away from the supporting member 41 in the first direction 4 a; the support 41 is movable in the first direction 4a with respect to the fixed member 42; the elastic member 43 pushes the supporting member 41 in a direction away from the driven pulley 81 in a direction opposite to the first direction 4a, so that the supporting member 41 pushes the driving assembly 35 in a direction away from the driven pulley 81 in a direction opposite to the first direction 4 a. In this way, the connection between the supporting member 41 and the fixing member 42 is realized, the stability of the tension assembly 4 is ensured, and the reliability of the synchronous belt assembly 7 of the present application is increased; the elastic member 43 is compressed, and the effect that the tension assembly 4 of the present application gives the driving motor 3 a thrust to tension the timing belt 6 is achieved.

In some embodiments, the supporting member 41 includes a supporting body 410 and a fixing portion 414 disposed on a side surface of the supporting body 410 close to the fixing member 42, the elastic member 43 is sleeved on the fixing portion 414, the supporting body 410 pushes against the driving component 35, the fixing portion 414 extends along the first direction 4a and is disposed corresponding to the through hole 424, and an outer diameter of the fixing portion 414 is matched with an aperture of the through hole 424; the fastener 44 passes through the through hole 424 to be fixedly connected with the fixing part 414; the fixing portion 414 is movable along the through hole 424. In some embodiments, the cross-sectional diameter of the fixing portion 414 is slightly smaller than the inner diameter of the elastic member 43 and slightly smaller than the diameter of the through hole 424, and the outer diameter of the elastic member 43 is larger than the diameter of the through hole 424. In some embodiments, when the fixing portion 414 moves along the through hole 424 in the first direction 4a under the action of the external force of the supporting member 41, the fixing portion 414 can pass through the through hole 424 and the elastic member 43 sleeved on the fixing portion 414 cannot pass through. So, can realize that elastic component 43 is compressed, realize the effect that this application tensioning assembly 4 gave driving motor 3 thrust tensioning hold-in range 6 to ensure that elastic component 43 can not take place the result of use that the turn-ups influences elastic component 43 by the straight compression. In the illustrated embodiment, the through hole 424 is a circular hole, and the cross section of the fixing portion 414 is a circle matching the through hole 424, but in other embodiments, the fixing portion may have other shapes, and may match the fastening member 44, which is not limited in the present application.

Referring to fig. 7 and 8, in some embodiments, the fixing portion 414 includes a first fixing portion 4141 and a second fixing portion 4142, the fastening member 44 includes a first fastening member 441 and a second fastening member 442, and the through hole 424 includes a first through hole 424 and a second through hole 424; the first fastening member 441 passes through the first through hole 424 to be fixedly connected with the first fixing portion 4141, and the second fastening member 442 passes through the second through hole 424 to be fixedly connected with the second fixing portion 4142. In other embodiments, the number of the fixing portion 414, the fastening member 44 and the through hole 424 may be more than two, and may be adjusted according to the size of the driving motor 3 and the tension requirement of the timing belt 6. In this way, the application of the timing belt assembly 7 to small-sized machines such as video cameras and large-sized machines can be realized, and the versatility of the present application is improved.

In some embodiments, the fixing portion 414 is a hollow cylinder, the inner wall of the fixing portion 414 is provided with a first thread 45, the outer wall of the fastening member 44 is provided with a second thread 46 matching with the first thread 45, and the fastening member 44 is connected with the fixing portion 414 in a matching manner. In other embodiments, the fixing portion 414 is a solid cylinder, the outer wall of the fixing portion 414 is provided with threads, the inner wall of the fastening member 44 is provided with matching threads, and the fastening member 44 is connected with the fixing portion 414 in a matching manner. In still other embodiments, the fixing portion 414 and the fastener 44 may be an integrally formed rivet, and the fixing portion 414 is fixedly connected to the supporting member 41. In some embodiments, the connection manner may be a snap, which is not limited in this application. In this way, a tight connection of the fixing portion 414 with the fastener 44 can be achieved, ensuring that the fixing portion 414 of the tensioning assembly of the present application and the fastener 44 cooperate to achieve the function of tensioning the timing belt 6.

In some embodiments, the end of fastener 44 remote from support member 41 is provided with a retaining portion 443, and the outer diameter of retaining portion 443 is greater than the diameter of through-hole 424. In some embodiments, the securing portion 414 and the fastener 44 may be an integrally formed rivet, the end of the rivet remote from the support 41 being provided with a projection having an outer diameter greater than the bore diameter of the through-hole 424. Thus, the fixing portion 414 can be prevented from being scattered due to the fact that vibration is reversely released from the through hole 424, the using effect is affected, and stable use of the tensioning assembly 4 is guaranteed.

In some embodiments, the fixing member 42 includes a first mounting portion 421 and a second mounting portion 422 connected to the first mounting portion 421, and an extending direction of the first mounting portion 421 is different from an extending direction of the second mounting portion 422; the first and second mounting portions 421 and 422 are used for assembly with an external structure. In some applications, the mounting may be through the first mounting portion 421 and an external structure. In other applications, mounting may be through the second mounting portion 422 and an external structure. In other applications, the first and second mounting portions 421 and 422 are each mounted to an external structure. So can select at least one in first installation department 421 and the second installation department 422 and the mounting structure installation of equipment according to the structure of the different equipment that hold-in range subassembly 7 used or the structure of the different positions of the same equipment that hold-in range subassembly 7 used, can adapt to the structure of different equipment better, conveniently install in different equipment, application scope is wide. In this embodiment, the second mounting portion 422 is assembled with an external structure, which may enable horizontal mounting of the tension assembly 4.

In the embodiment shown in fig. 7, the first mounting portion 421 and the second mounting portion 422 are vertical, so that the vertical mounting and the horizontal mounting of the tensioning assembly 4 can be realized, the mounting manner is flexible, and more applications can be realized. In other embodiments, the first and second mounting portions 421 and 422 may not be perpendicular.

In some embodiments, the first mounting portion 421 includes a first mounting hole 4211, an axial direction of the first mounting hole 4211 is disposed along a first direction 4a, the second mounting portion 422 includes a second mounting hole 4221, and an axial direction of the second mounting hole 4221 is disposed along a second direction 4b, the second direction 4b being perpendicular to the first direction 4 a. The first mounting hole 4211 is matched and fixed with the mounting structure 2, so that the synchronous belt assembly 7 can be vertically mounted; the second mounting hole 4221 is matched and fixed with the mounting structure 2, so that the horizontal mounting of the synchronous belt assembly 7 can be realized. In the embodiment shown in fig. 7, the second mounting hole 4221 is fixedly engaged with the mounting structure 2, so that the horizontal mounting of the timing belt assembly 7 can be realized. So, hold-in range subassembly 7 equipment of this application is convenient, and the mounting means is nimble, and application scope is wide.

In some embodiments, the first mounting portion 421 of the fixing member 42 is provided with a first positioning portion 4212 for mounting with an external structure; in some embodiments, the second mounting portion 422 is provided with a second positioning portion 4222 for mounting with an external structure. Thus, the temporary positioning of the fixing part 42 in the installation process can be realized, the installation of the tensioning assembly 4 is facilitated, and the installation position is ensured to be correct.

In some embodiments, the first mounting portion 421 includes opposite first and second mounting sides 4218 and 4219, the second mounting portion 422 extends from the first mounting side 4218 toward the support member 41, and the fixing member 42 includes a mounting flap 423 extending from the second mounting side 4219 toward the support member 41; the supporting member 41 includes a supporting body 410 and a supporting baffle 413, the supporting body 410 is disposed opposite to the first mounting portion 421, the supporting body 410 pushes against the driving assembly 35, and the supporting baffle 413 extends from a side edge of the supporting body 410 to the fixing member 42 and is located between the second mounting portion 422 and the mounting baffle 423. Thus, displacement in the second direction 4b is prevented, the elastic member 43 and the fixing portion 414 are prevented from being bent due to excessive pressure, the degree of matching between the supporting member 41 and the fixing member 42 is increased, and the reliability of the tension assembly 4 of the present invention is improved. In some embodiments, the fixing member 42 may include only the second mounting portion 422.

FIG. 9 is a schematic view of one state of the tension assembly 4 shown in FIG. 7; figure 10 is a schematic view of another condition of the tension assembly 4 shown in figure 7; FIG. 11 is a cross-sectional view of the timing belt assembly shown in FIG. 3. Referring to fig. 9-11, the degree of compression of the elastic member 43 may be different under different conditions, for example, the slack of the timing belt 6 is different and the degree of compression of the elastic member 43 is different without changing other conditions. The degree to which the resilient member 43 is compressed may also be related to the distance of the drive assembly 35 relative to the driven pulley 81, the distance of the fixed member 42 relative to the drive assembly 35, and the like. In this way, the tensioning function of the tensioning assembly 4 can be effectively achieved in different situations.

In some embodiments, the elastic element 43 is sleeved on the fixing portion 414, and the length of the elastic element 43 in the natural state is greater than or equal to the length of the fixing portion 414. Thus, the elastic member 43 can maintain a certain degree of compression, and has sufficient strength to support the driving motor 3 to tension the timing belt 6, ensuring a tensioning effect.

Fig. 12 is a perspective view of another embodiment of the subject timing belt assembly 7. FIG. 13 is a partially exploded schematic view of the timing belt assembly 7 of the embodiment of FIG. 12, with the timing belt 6 not yet installed; figure 14 is a schematic partial cross-sectional view of the timing belt assembly 7 of the embodiment of figure 12. The tensioning direction of the tensioning assembly 4 of fig. 12 and 14 is 4 b.

In the embodiment shown in fig. 12-14, the first mounting portion 421 is mounted to the external structure, and the first mounting hole 4211 is fixed to the mounting structure 2 to achieve vertical mounting of the tension assembly 4. So, hold-in range subassembly 7 of this application is applicable in different installation conditions, and the equipment is convenient, and the mounting means is nimble, and application scope is wide.

In some embodiments, the present application provides a tensioning assembly 4 for a camera 9 timing belt 6, the tensioning assembly 4 of the camera 9 timing belt 6 comprising:

a fixing 42 stationary with respect to the housing of the camera 9, said fixing 42 comprising a through hole 424 arranged along the first direction 4 a;

a support 41 including a first surface and a second surface arranged opposite to each other, and a fixing portion 414 protruding from the second surface in a first direction 4a, the first surface being configured to abut against a driving motor 3 of the camera 9 for driving a timing belt 6, the first direction 4a being perpendicular to an axis of the driving motor 3 and being parallel to a transmission direction of the timing belt 6;

an elastic member 43 sleeved on the outer surface of the fixing portion 414 and elastically abutted between the second surface and the fixing member 42, wherein the length of the elastic member 43 in the first direction 4a is smaller than the length of the fixing portion 414 in the first direction 4a when the elastic member is in a compressed state;

and a fastening member 44 having a connecting portion in the first direction 4a, wherein the fixing portion 414 has a fixing engagement portion in the first direction 4a, and the connecting portion is sleeved with the fixing engagement portion through the through hole 424, so that the supporting member 41 is urged by the elastic member 43 in a direction opposite to the first direction 4a, thereby tensioning the timing belt 6.

In some embodiments, the diameter of the through-hole 424 is larger than the outer diameter of the fixing portion 414.

In some embodiments, the fastening member 44 is disposed through the through hole 424, the connecting portion is disposed on an outer surface of the fastening member 44, and the fixing matching portion is disposed on an inner surface of the fixing portion 414 and is sleeved with the connecting portion.

In some embodiments, the fixing portion 414 includes a first fixing portion 4141 and a second fixing portion 4142 symmetrically disposed along the second direction 4 b; the elastic member 43 includes a first elastic member 43 sleeved on the first fixing portion 4141 and a second elastic member 43 sleeved on the second fixing portion 4142, the first elastic member 43 can push the supporting member 41 to move toward the first direction 4a from the first fixing portion 4141 and the second elastic member 43 can push the supporting member 41 to move toward the second direction 4b from the second fixing portion 4142, and the second direction 4b is parallel to the axial direction of the driving motor 3 shaft and perpendicular to the first direction 4 a.

In some embodiments, the supporting member 41 includes a supporting body 410 and a supporting baffle 413 extending from the second surface toward the fixing member 42, the supporting body 410 includes the first surface and the second surface;

the fixing member 42 includes a mounting plate and a mounting baffle extending from the mounting plate toward the support baffle; the mounting baffle is at least sleeved on the supporting baffle 413 in the first direction 4a, so that the fixing member 42 limits the supporting member 41 from moving in the first direction 4 a.

In some embodiments, the support baffles comprise a first support baffle and a second support baffle oppositely arranged in a second direction 4b, the second direction 4b being parallel to the axial direction of the drive motor 3 shaft of the drive motor 3 and perpendicular to the first direction 4 a;

the mounting baffle comprises a first mounting baffle and a second mounting baffle which are oppositely arranged in the second direction 4b, the first mounting baffle is at least sleeved on the first supporting baffle, the second mounting baffle is at least sleeved on the second supporting baffle, and the second mounting baffle is positioned below the first mounting baffle.

In some embodiments, the first and second mounting baffles are each perpendicular to the mounting plate.

In some embodiments, the mounting plate includes a first mounting hole 4211, an axial direction of the first mounting hole 4211 is disposed along the first direction 4a, the second mounting baffle includes a second mounting hole 4221, and an axial direction of the second mounting hole 4221 is disposed along the second direction 4 b.

In some embodiments, the tensioning assembly 4 includes a pre-fastening screw perpendicular to the first direction 4a and disposed parallel to an axial direction of a driving motor 3 shaft of the driving motor 3, and is configured to be detachably connected to a screw hole of a driving motor 3 frame connected to the driving motor 3, where the screw hole is a kidney-shaped hole, and a length direction of the kidney-shaped hole is the same as the first direction 4 a.

In some embodiments, the pre-fastening screws include a first pre-fastening screw and a second pre-fastening screw distributed along the first direction 4 a.

The present application also provides a camera 9. The camera 9 comprises a lens component 8, a synchronous belt component 7 connected with the lens component 8 and any one of the tensioning components 4 for the camera 9 synchronous belt 6, wherein the synchronous belt component 7 comprises a synchronous belt 6, a driving belt wheel 5, a driving motor 3 and a driven belt wheel 81 connected with the driving motor 3, and the synchronous belt 6 is sleeved on the driving belt wheel 5 and the driven belt wheel 81;

the tension assembly 4 is disposed between the driving motor 3 and the driven pulley 81.

Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.

It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.

Claims (10)

1. A synchronous belt component is characterized by comprising a driving component, a driven belt wheel, a synchronous belt and a tensioning component; the synchronous belt is sleeved on the driving component and the driven belt wheel, and the driving component can drive the driven belt wheel to rotate through the synchronous belt; the tensioning assembly is arranged between the driving assembly and the driven belt wheel and pushes the driving assembly in a direction away from the driven belt wheel so as to tension the synchronous belt.

2. The synchronous belt assembly as in claim 1, wherein the driving assembly comprises a driving motor and a driving pulley connected to the driving motor, the synchronous belt is sleeved on the driving pulley and the driven pulley, and the tensioning assembly is abutted against the driving motor.

3. The synchronous belt assembly of claim 1, wherein the tension assembly comprises a support member, a fixed member, and an elastic member; the fixing piece is used for being fixedly connected with an external structure, the supporting piece can move relative to the fixing piece, the elastic piece is elastically abutted between the supporting piece and the fixing piece, and the elastic piece is in a compressed state and is abutted against and pushed against the supporting piece in the direction away from the driven belt wheel, so that the supporting piece is abutted against and pushed against the driving assembly in the direction away from the driven belt wheel.

4. The timing belt assembly of claim 3, wherein the tension assembly comprises a fastener; the fixing piece is provided with a through hole, and the axial direction of the through hole is arranged along a first direction; the fastening piece penetrates through the through hole to be fixedly connected with the supporting piece and is in limit fit with the surface of the fixing piece, which faces away from the supporting piece in the first direction; the supporting member is movable relative to the fixed member in the first direction; the elastic piece pushes the supporting piece in the direction departing from the driven belt wheel in the direction opposite to the first direction, so that the supporting piece pushes the driving assembly in the direction departing from the driven belt wheel in the direction opposite to the first direction.

5. The timing belt assembly as claimed in claim 4, wherein the supporting member comprises a supporting body and a fixing portion disposed on a side surface of the supporting body near the fixing member, the elastic member is sleeved on the fixing portion, the supporting body pushes against the driving assembly, the fixing portion extends along the first direction and is disposed corresponding to the through hole, and an outer diameter of the fixing portion is matched with a hole diameter of the through hole; the fastener penetrates through the through hole and is fixedly connected with the fixing part; the fixing portion is movable along the through hole.

6. The belt assembly of claim 5, wherein the securing portion comprises a first securing portion and a second securing portion, the fastener comprises a first fastener and a second fastener, and the through-hole comprises a first through-hole and a second through-hole; the first fastener penetrates through the first through hole to be fixedly connected with the first fixing part, and the second fastener penetrates through the second through hole to be fixedly connected with the second fixing part; and/or

The elastic piece is sleeved on the fixing part, and the length of the elastic piece in a natural state is larger than or equal to that of the fixing part.

7. The belt assembly as recited in claim 3, wherein the fastener includes a first mounting portion and a second mounting portion connected to the first mounting portion, the first mounting portion extending in a direction different than a direction in which the second mounting portion extends; the first mounting portion and the second mounting portion are for assembly with an external structure.

8. The timing belt assembly of claim 7, wherein the first mounting portion and the second mounting portion are perpendicular.

9. The timing belt assembly of claim 8, wherein the first mounting portion includes a first mounting hole having an axial direction disposed in a first direction, and the second mounting portion includes a second mounting hole having an axial direction disposed in a second direction perpendicular to the first direction; and/or

The first mounting portion includes opposing first and second mounting sides, the second mounting portion extends from the first mounting side toward the support member, and the securing member includes a mounting baffle extending from the second mounting side toward the support member; the supporting piece comprises a supporting main body and a supporting baffle, the supporting main body and the first mounting portion are oppositely arranged, the supporting main body pushes the driving assembly, and the supporting baffle extends from the side edge of the supporting main body to the fixing piece and is located between the second mounting portion and the mounting baffle.

10. A camera comprising a lens assembly and a synchronous belt assembly as claimed in any one of claims 1 to 9, the driven pulley being connected to the lens assembly.

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