阅读说明：本技术 一种电机及其主动轮安装结构 (A kind of motor and its active wheel mounting structure ) 是由 姜子法 胡取贤 于 2019-09-09 设计创作，主要内容包括：本发明公开了一种主动轮安装结构,包括主动轮、弹性件以及摆动块,主动轮的中央开设有第一通孔,摆动块转动设置在主动轮的第一通孔内,且摆动块轴向限位在第一通孔内；弹性件设置在主动轮和摆动块之间并赋予两者保持相对静止共同运动的趋势,当主动轮和摆动块产生相对转动,弹性件促使两者回位并恢复相对静止共同运动的状态。驱动摆动块转动,摆动块相对于主动轮转动并作用于弹性件上,弹性件发生形变并对摆动块施加一定的旋转力,同时,弹性件促使主动轮旋转一定角度,使得主动轮和摆动块共同运动,将该主动轮与从动轮传动连接时,能够很好的消除主动轮与从动轮的传动间隙,使从动轮旋转更平稳。(The invention discloses a kind of active wheel mounting structure, including driving wheel, elastic component and swinging block, the center of driving wheel offers first through hole, and swinging block is rotatably arranged in the first through hole of driving wheel, and swinging block axial limiting is in first through hole；Elastic component is arranged between driving wheel and swinging block and assigns the trend that the two keeps opposing stationary associated movement, and when driving wheel and swinging block produce relative rotation, elastic component promotes the two return and restores the state of opposing stationary associated movement.Drive swinging block rotation, swinging block is rotated relative to driving wheel and is acted on elastic component, deformation occurs and applies certain rotary force to swinging block for elastic component, simultaneously, elastic component promotes driving wheel to rotate by a certain angle, so that driving wheel and swinging block associated movement, when the driving wheel and driven wheel are sequentially connected, the drive gap that can be good at eliminating driving wheel and driven wheel keeps driven wheel rotation more stable.)

1. a kind of active wheel mounting structure, characterized in that including driving wheel (1), elastic component and swinging block (2), driving wheel (1) Center offer first through hole (3), swinging block (2) is rotatably arranged in the first through hole (3) of driving wheel (1), and swinging block (2) axial limiting is in first through hole (3)；Elastic component, which is arranged between driving wheel (1) and swinging block (2) and assigns the two, to be kept The trend of opposing stationary associated movement, when driving wheel (1) and swinging block (2) produce relative rotation, elastic component promotes the two return And restore the state of opposing stationary associated movement.

2. active wheel mounting structure according to claim 1, it is characterized in that: the elastic component is elastic piece (5), described the At least side of one through-hole (3) offers the first groove being connected to first through hole (3), and the first groove includes that two elastic pieces are slow Jet-bedding (6) and support protrusion (7) between two elastic piece dashpots (6) is set, elastic piece (5) insertion described the In one groove, inner sidewall of the both ends respectively with the first groove on elastic piece (5) close to swinging block (2) side offsets, elastic piece (5) the other side offsets with support protrusion (7).

3. active wheel mounting structure according to claim 2, it is characterized in that: the opposite sides of the first through hole (3) point First groove being connected to first through hole (3) is not offered, is embedded with the elastic piece in two first grooves (5)。

4. active wheel mounting structure according to claim 2, it is characterized in that: further include axle sleeve (8), the axle sleeve (8) with Swinging block (2) is fixedly connected.

5. active wheel mounting structure according to claim 4, it is characterized in that: on the driving wheel (1) with the first groove phase Pair side open up there are two arcuate recess (9), the arcuate recess (9) and the support protrusion (7) correspond, and two arches Slot (9) is connected to first through hole (3), and axle sleeve mounting hole is collectively formed in two arcuate recess (9) and first through hole (3)；Driving wheel (1) it is equipped with the gland (10) for axial limiting swinging block (2) positioned at the side of the first groove on, axle sleeve (8) partially protrudes into axis It covers in mounting hole, close to the side of arcuate recess (9) on driving wheel (1), axle sleeve (8) offsets with support protrusion (7), in driving wheel (1) close to the side of the first groove on, gland (10) offsets with swinging block (2), and the collective effect of gland (10) and axle sleeve (8) will Swinging block (2) axial limiting is in first through hole (3).

6. active wheel mounting structure according to claim 2, it is characterized in that: convex with the support on the swinging block (2) The two sides for playing (7) corresponding position offer the second groove (11).

7. active wheel mounting structure according to claim 2, it is characterized in that: at least one end of the elastic piece (5) and bullet The inner sidewall of property piece dashpot (6) does not contact.

8. active wheel mounting structure according to claim 2, it is characterized in that: the elastic piece (5) is for monolithic or by more Piece is superimposed to be formed.

9. active wheel mounting structure according to claim 5, it is characterized in that: the swinging block (2) and the gland (10) It is fixedly connected or is integrally formed；Alternatively, the gland (10) is fixedly connected with the driving wheel (1).

10. a kind of motor, it is characterized in that: including such as active wheel mounting structure according to any one of claims 1 to 9, motor Output shaft be fixedly connected with the swinging block (2).

Technical field

The present invention relates to gear transmission technology fields, more specifically, it relates to a kind of motor and its driving wheel installation knot Structure.

Background technique

The operation of electric operator mainly drives capstan drive, the transmission of driving wheel and driven wheel by motor Often there is certain gaps.It is larger in the drive gap of driving wheel and driven wheel but when electric motor starting or reversion When, impact is generated, noise is issued；When driving wheel and driven wheel are gear, deposited between driving gear and the tooth of driven gear In back lash, when electric motor starting or reversion, when the back lash of driving gear and driven gear is larger, punching is generated It hits, issues noise, when gear backlash is smaller, gear engagement is easy to appear biting teeth phenomenon, damages the form of gear tooth.

Application No. is 2009101047381 patent documents to disclose a kind of noise-reduction gear combination, in the middle part of driven gear Center is extended outward to form, equipment gear is cased in the center, is opened on the end face of the driven gear face equipment gear There is annular groove, is inserted into positioning column on the end face of the equipment gear face driven gear, which is located in annular groove, It is provided with limited post on the driven gear, which passes through annular groove and protrude into the limit hole opened on equipment gear end face Interior, which is greater than the diameter of limited post, the limited post can the side-to-side movement in limited block, the annular groove is built-in There is the annular flat spring with opening, which is against on positioning column and limited post respectively；Outside the center Periphery and the opposite annular groove opened of equipment gear inner peripheral surface are provided with same circlip；The equipment gear face driven gear End face be step surface that periphery is lower than middle part, end face in the middle part of the annular groove face equipment gear, the driven gear face The end face periphery of equipment gear is higher than middle part and equipment gear step surface is adapted.The gear assembled structure is in annular flat spring Under effect, the gap of driving gear and driven gear is eliminated, reduces the generation of noise, but the mechanism needs equipment gear Cooperation, its structure is complicated and assembly it is comparatively laborious.

The patent document that application publication number is CN103671831A discloses a kind of eliminations and eliminates between wheel and rack engages The identical gear of two moduluses is combined by torsional spring and is engaged with rack by the bidentate wheel construction of gap, the structure, two moulds Referred to as driving gear connect in the identical gears of number with driving mechanism, another is referred to as driven gear, driving gear and from Processing mounting holes on two opposite end faces of moving gear, the both ends of torsional spring are inserted into respectively in two mounting holes, make driving gear The power of reverse rotation is generated when being engaged with rack with driven gear, between driving gear and driven gear.The structure can be effective Elimination wheel and rack back lash, eliminate rack pinion in idle stroke.But the bidentate wheel construction is to gear Fitness requirement between driven driven gear is relatively high, stringenter to the Sizing requirements of tooth and tooth socket, separately Outside, there are the risks of mechanical gear latch for the mechanism.

Summary of the invention

In view of the deficienciess of the prior art, the invention reside in a kind of motor and its active wheel mounting structure is provided, it is excellent Between gesture is that the active wheel mounting structure can eliminate the transmission between driving wheel and driven wheel in electric motor starting or reversion Gap keeps driven wheel rotation more stable, reduces the generation of noise.

To achieve the above object, the present invention provides the following technical scheme that a kind of active wheel mounting structure, including actively Wheel, elastic component and swinging block, the center of driving wheel offer first through hole, and it is first logical to be rotatably arranged on driving wheel for swinging block In hole, and swinging block axial limiting is in first through hole；Elastic component, which is arranged between driving wheel and swinging block and assigns the two, to be protected The trend for holding opposing stationary associated movement, when driving wheel and swinging block produce relative rotation, both elastic component promotes return is simultaneously extensive The state of multiple opposing stationary associated movement.In this way, driving swinging block rotation, swinging block rotate relative to driving wheel and act on bullet Property part on, deformation occurs and applies certain rotary force to swinging block for elastic component, meanwhile, elastic component promotes driving wheel rotation certain Angle, so that driving wheel and swinging block associated movement, when the driving wheel and driven wheel are sequentially connected, can be good at eliminating master The drive gap of driving wheel and driven wheel keeps driven wheel rotation more stable.

Preferably, the elastic component is elastic piece, at least side of the first through hole is offered to be connected with first through hole The first logical groove, first groove include two elastic piece dashpots and are arranged between two elastic piece dashpots Support protrusion, the elastic piece are embedded in first groove, and the both ends on elastic piece close to swinging block side are respectively with first The inner sidewall of groove offsets, and the other side and the support protrusion of elastic piece offset.In this way, driving swinging block rotation, swinging block are opposite It rotating and is acted on elastic component in driving wheel, deformation occurs and applies certain rotary force to swinging block for elastic piece, meanwhile, bullet Property piece one end under the driving of swinging block close to the inner sidewall of the first groove, at this point, support protrusion plays the role of fulcrum, bullet Property piece other end driving driving wheel rotate by a certain angle, and then make driving wheel and swinging block associated movement.

Preferably, to offer described first be connected to first through hole respectively recessed for the opposite sides of the first through hole Slot is embedded with the elastic piece in two first grooves.In this way, being more uniformly stressed the two sides of swinging block, and then make Obtain the more steady of driving wheel rotation.

Preferably, further including axle sleeve, the axle sleeve is fixedly connected with swinging block.

Preferably, side opposite with the first groove on the driving wheel is opened up, there are two arcuate recess, the arcuate recess It is corresponded with the support protrusion, and two arcuate recess are connected to first through hole, two arcuate recess and first through hole are common Form axle sleeve mounting hole；The gland for axial limiting swinging block, shaft sleeve part are equipped with positioned at the side of the first groove on driving wheel Divide and protrude into axle sleeve mounting hole, close to the side of arcuate recess on driving wheel, axle sleeve offsets with support protrusion, leans on driving wheel The side of nearly first groove, gland offset with swinging block, and the collective effect of gland and axle sleeve is by swinging block axial limiting first In through-hole.

Preferably, the two sides at position corresponding with the support protrusion offer the second groove on the swinging block. In this way, elastic piece deforms under the driving of swinging block, deformation occur on the position close to support protrusion, swinging block with The two sides at the corresponding position of support protrusion offer the second groove, i.e., deforming to elastic piece, there are spaces.

Preferably, at least one end of the elastic piece is not contacted with the inner sidewall of elastic piece dashpot.In this way, elastic piece End and the first groove inner sidewall between maintain a certain distance, for avoiding elastic piece by along elastic piece length direction On pressure.

Preferably, the elastic piece is that monolithic or be superimposed by multi-disc is formed.

Preferably, the swinging block is fixedly connected or is integrally formed with the gland；Alternatively, the gland and the master Driving wheel is fixedly connected.

A kind of motor, including active wheel mounting structure as described above, the output shaft of motor and the swinging block are fixed to be connected It connects.

In conclusion the invention has the following advantages:

1, the rotation of driving swinging block, swinging block are rotated relative to driving wheel and are acted on elastic component, and shape occurs for elastic piece Become and applies certain rotary force to swinging block, meanwhile, elastic component promotes driving wheel to rotate by a certain angle, so that driving wheel and pendulum Motion block associated movement when the driving wheel and driven wheel are sequentially connected, can be good at eliminating between driving wheel and driven wheel Drive gap keeps driven wheel rotation more stable；

2, the opposite sides of the first through hole on driving wheel offers the first groove of first through hole connection respectively, and two the It is embedded in elastic piece in one groove, is more uniformly stressed swinging block, further such that driving wheel rotation is more steady.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of embodiment 1；

Fig. 2 is the explosive view of embodiment 1；

Fig. 3 is the structural schematic diagram of the driving wheel of embodiment 1；

Fig. 4 is the structural schematic diagram that embodiment 1 removes gland；

Fig. 5 is the structural schematic diagram that embodiment 1 removes gland and elastic piece；

Fig. 6 is the structural schematic diagram at another visual angle of the driving wheel of embodiment 1；

Fig. 7 is the structural schematic diagram at 1 another visual angle of embodiment；

Fig. 8 is the structural schematic diagram that the swinging block of embodiment 1 is fixedly connected with axle sleeve；

Fig. 9 is the structural schematic diagram of embodiment 2.

Appended drawing reference: 1, driving wheel；2, swinging block；3, first through hole；5, elastic piece；6, elastic piece dashpot；7, it supports Protrusion；8, axle sleeve；9, arcuate recess；10, gland；11, the second groove；12, deep bid；13, big coil motor；14, annular internal tooth；15, Axis hole；16, protective shell.

Specific embodiment

Referring to attached drawing, the present invention will be further described.