CN209394669U - Steering engine - Google Patents

Abstract

The utility model belongs to robot device's technical field, more particularly to a kind of steering engine, including motor, steering engine output shaft, installation shell, first gear component, second gear component, third gear assembly and the 4th gear assembly, shell is installed and is equipped with the first installation cavity and the second installation cavity, motor is installed in the first installation cavity, steering engine output shaft is installed in the second installation cavity, and the 4th gear assembly and first gear component are mounted on installation shell and are connected respectively with motor and second gear component；First gear component is connected and is located at the both sides of the output shaft of motor with the 4th gear assembly, is lower than the installation protrusion of the end face of installation shell in the second installation cavity equipped with its end face, and second gear component is installed on installation protrusion；Second gear component is connected by third gear assembly with steering engine output shaft.The steering engine of the utility model, when the big motor of installation power, the volume compared to existing steering engine is smaller, can meet the small in size and big requirement of output power simultaneously.

Description

Steering engine

Technical field

The utility model belongs to robot device's technical field more particularly to a kind of steering engine.

Background technique

With the development of robot and model plane, the size of robot is increasingly minimized, while the flying speed of robot Also it is getting faster, just more stringent requirements are proposed for the size to the airplane model steering engine at joint of robot and output power for this.But Existing steering engine, in the case where its output power is big, it has to increase the motor for selecting more powerful volume bigger, this also leads Cause the size of steering engine to cannot achieve Miniaturization Design, so cause steering engine not meet simultaneously size is small and output power is big wants It asks.

Utility model content

The purpose of this utility model is to provide a kind of steering engines, it is intended to which solving steering engine in the prior art can not meet simultaneously The technical issues of requirement that size is small and output power is big.

A kind of in order to achieve the above purposes, the technical solution adopted by the utility model is: steering engine, including the output of motor, steering engine Axis, installation shell, first gear component, second gear component, third gear assembly and the 4th gear assembly, the installation shell Including being equipped with the first installation cavity and the second installation cavity that are arranged side by side, the opening of first installation cavity and second installation cavity Opening be arranged in the opposite direction；The motor is installed in first installation cavity, and the output shaft of the motor passes through described The bottom of first installation cavity simultaneously protrudes out that the mounting shell is external, and the 4th gear assembly is installed on the end of the installation shell It is connected on face and with the output shaft of the motor；The first gear component be installed on it is described installation shell end face on and with institute It states the 4th gear assembly to be connected, and the first gear component and the 4th gear assembly are located at the output of the motor The both sides of axis, and the first gear component is arranged close to the opening of second installation cavity；The bottom of second installation cavity Face is equipped with installation protrusion, and the installation protrusion is arranged close to first installation cavity, and the end face of the installation protrusion is lower than institute State the end face of installation shell, the installation protrusion that the second gear component is installed on go up and with the first gear component phase Even；The steering engine output shaft is installed in second installation cavity, and the third gear assembly is installed on second installation cavity Interior, the third gear assembly is connected with the second gear component, and the third gear assembly and the steering engine output shaft It is connected.

Further, the first gear component includes first gear axis, the first gear wheel and the first pinion gear, and described One gear wheel and first pinion gear are successively fixedly installed on the first gear axis along the axis of the first gear axis, The end face of the installation shell is equipped with the first mounting hole, and first mounting hole is arranged close to the output shaft of the motor, The first gear axis is inserted into first mounting hole close to the end of first pinion gear, first gear wheel and institute The output shaft for stating motor is connected, and first pinion gear is connected with the second gear component.

Further, the second gear component includes second gear axis, the second gear wheel and the second pinion gear, and described Two gear wheels and second pinion gear are successively fixedly installed on the second gear axis along the axis of the second gear axis, The end face of the installation protrusion is equipped with the second mounting hole, and the second gear axis is inserted into close to the end of second pinion gear In second mounting hole, second gear wheel is connected with the first gear component, second pinion gear and described the Three gear assemblies are connected.

Further, the third gear assembly includes third gear shaft, third gear wheel and third pinion, and described Three gear wheels and the third pinion are successively fixedly installed on the third gear shaft along the axis of the third gear shaft, The bottom surface of second installation cavity is equipped with third mounting hole, and the third gear shaft is inserted close to the end of the third pinion Enter in the third mounting hole, the third gear wheel is connected with the second gear component, the third pinion with it is described Steering engine output shaft is connected.

Further, the 4th gear assembly includes the 4th gear shaft, fourth pinion and the fourth-largest gear, and described the Four pinion gears and the fourth-largest gear are successively fixedly installed on the 4th gear shaft along the axis of the 4th gear shaft, The end face of the installation shell is equipped with the 4th mounting hole, and the 4th mounting hole is arranged close to the output shaft of the motor, The output shaft of the motor is located at the underface of first gear wheel, the output shaft phase of the fourth-largest gear and the motor Even, the fourth pinion is engaged with first gear wheel is connected.

Further, the steering engine further includes the first lid and the second lid, and described first covers and offer the first evacuation chamber, institute It states second and covers and offer the second evacuation chamber, first cover buckle is set on an end face of the installation shell and by the motor The end face for being packaged in the first evacuation chamber, first installation cavity and the installation shell enclose set in the fixed space to be formed and Second cover buckle is set on the other end of the installation shell being oppositely arranged and by the first gear component, described the Two gear assemblies and the third gear assembly are packaged in the second evacuation chamber, second installation cavity and the installation shell End face enclose and set in the gear installation space to be formed.

Further, between the installation shell and first lid and between the installation shell and second lid It is equipped with sealing ring.

Further, the steering engine further includes several first bolts and several second bolts, the angle of first lid The place of falling is respectively equipped with the first fastener hole, and installation shell position corresponding with each first fastener hole is equipped with the first screw thread The corner in hole, second lid is respectively equipped with the second fastener hole, and the installation shell is corresponding with each second fastener hole Position is equipped with the second threaded hole, and each first bolt is each passed through each first fastener hole and corresponding first spiral shell Pit is threadedly coupled, and each second bolt is each passed through each second fastener hole and the corresponding second threaded hole screw thread Connection.

Further, several are equipped on the opposite sides face of the installation shell to consolidate for what is be connected with external component Determine ear, and each fixed ear is close to the second lid setting.

Further, the installation shell is equipped with third installation cavity, and the third installation cavity is located at second installation The positive lower section of chamber is simultaneously communicated with first installation cavity.

The utility model has the beneficial effects that the steering engine of the utility model, install be respectively equipped on shell the first installation cavity and Second installation cavity, motor is installed in the first installation cavity, and steering engine output shaft is located in the second installation cavity, i.e. the output shaft of motor With steering engine output shaft in parallel arrangement, reduce the height of entire steering engine, and uses first gear between motor and steering engine output shaft The power of motor is passed to steering engine output shaft by the connection of component, second gear component and third gear assembly, that is, is realized and be in Power transmitting between the output shaft and steering engine output shaft of the motor of parallel arrangement；Installation shell is installed for first gear component End face, installation protrusion for installing second gear component end face and the second installation cavity for installing third gear assembly Bottom surface it is stepped from high to low, this allows for the mounting height of second gear component and third gear assembly increasingly It is low, it avoids the installation due to second gear component and third gear assembly and increases the height of entire steering engine, the height of entire steering engine It spends and is not much different with the height of motor, can eliminate other component as much as possible installs the increase so that entire steering engine height, from And reach the height for reducing entire steering engine, meanwhile, by first gear component, second gear component, third gear assembly and The interconnection of multiple gears of 4th gear assembly and the power transmitting effect realized, and directly adopt single or quantity more Few gear assembly transmission is compared, the gear in gear assembly it is smaller, the component layout of entire steering engine is also more tight It gathers, the length and width of entire steering engine is also just smaller, and first gear component and the 4th gear assembly are located at motor output The both sides of axis can fully utilize the output shaft both sides space of motor, and further, the installation for improving entire steering engine is empty Between rate so that the mounting structure of entire steering engine is more compact, the length and width of entire steering engine is smaller；When installation power is big When motor, the steering engine of the utility model is smaller compared to the volume of existing steering engine, then the steering engine of the utility model can be simultaneously Meet the small in size and big requirement of output power.

Detailed description of the invention

It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with It obtains other drawings based on these drawings.

Fig. 1 is the structural schematic diagram of steering engine provided by the embodiment of the utility model.

Fig. 2 is the explosive view of steering engine provided by the embodiment of the utility model.

Fig. 3 is the structural schematic diagram that steering engine provided by the embodiment of the utility model hides the second lid.

Fig. 4 is the Section View of the line A-A along Fig. 3.

Fig. 5 is first gear component, second gear component, the third gear set of steering engine provided by the embodiment of the utility model Part and the 4th gear assembly structural schematic diagram interconnected.

Fig. 6 is the structural schematic diagram at a visual angle of the installation shell of steering engine provided by the embodiment of the utility model.

Fig. 7 is the structural schematic diagram at another visual angle of the installation shell of steering engine provided by the embodiment of the utility model.

Fig. 8 is the structural schematic diagram of the second lid of steering engine provided by the embodiment of the utility model.

Wherein, each appended drawing reference in figure:

10-20-steering engine of motor output shaft, 30-installation shells

33-the first threaded hole 35-fixed ear of the 34-the second threaded hole

40-first gear 41-first gear of component the 42-the first gear wheels of axis

43-the first pinion gear 50-second gear component 51-second gear axis

52-the second gear wheel the 53-the second pinion gear 60-third gear assembly

61-third gear shaft 62-third, 63-third pinions of gear wheel

70-the four 71-the four 72-fourth pinion of gear shaft of gear assembly

73-the fourth-largest the 80-the first lids 81-the first of gear avoid chamber

82-the first the 90-the second lid 91-the second of fastener hole avoids chamber

92-the second the 111-the first screw rod of 100-sealing ring of fastener hole

112-the second screw rod the 312-the first mounting hole of the 311-the first installation cavity

313-the four mounting hole the 321-the second installation cavity 322-third installation cavity

351-911-fixation hole of fixing groove, 3211-installation protrusions

3212-the 32111-the second mounting holes of third mounting hole.

Specific embodiment

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining the description of attached drawing 1~8 is exemplary, it is intended to for explaining the utility model, and should not be understood as practical to this Novel limitation.

In the description of the present invention, it should be understood that term " length ", " width ", "upper", "lower", " preceding ", The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached Orientation or positional relationship shown in figure, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion Signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this The limitation of utility model.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention, More than, unless otherwise specifically defined.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis Concrete condition understands the concrete meaning of above-mentioned term in the present invention.

As shown in Fig. 1~8, a kind of steering engine provided by the embodiment of the utility model, including motor 10, steering engine output shaft 20, Shell 30, first gear component 40, second gear component 50, third gear assembly 60 and the 4th gear assembly 70 are installed, it is described Installation shell 30 includes being equipped with the first installation cavity 311 and the second installation cavity 321 being arranged side by side, first installation cavity 311 The motor 10 is arranged in the opposite direction and is installed on first installation cavity 311 for opening and the opening of second installation cavity 321 Interior, the output shaft of the motor 10 passes through the bottom of first installation cavity 311 and protrudes out outside the installation shell 30, described 4th gear assembly 70 is installed on the end face of the installation shell 30 and is connected with the output shaft of the motor 10；Described first Gear assembly 40 is installed on the end face of the installation shell 30 and is connected with the 4th gear assembly 70, and first tooth Wheel assembly 40 and the 4th gear assembly 70 are located at the both sides of the output shaft of the motor 10, and the first gear Component 40 is arranged close to the opening of second installation cavity 321；First gear component 40 is convenient for close to the setting of the second construction opening First gear component 40 is connected with the second gear component 50 in the second installation cavity 321, and the two distance is closer, shared by connection Space is also just smaller, and the size of entire steering engine is also just smaller.

The bottom surface of second installation cavity 321 is equipped with installation protrusion 3211, and the installation protrusion 3211 is close to described first It is arranged by chapter, and the end face of the installation protrusion 3211 is lower than the end face of the installation shell 30, the second gear component 50 It is installed in the installation protrusion 3211 and is connected with the first gear component 40；The steering engine output shaft 20 is installed on described In second installation cavity 321, the third gear assembly 60 be installed in second installation cavity 321 and with the steering engine output shaft 20 are connected.

Specifically, the steering engine of the utility model embodiment is installed and is respectively equipped with the first installation cavity 311 and second on shell 30 Installation cavity 321, motor 10 is installed in the first installation cavity 311, and steering engine output shaft 20 is located in the second installation cavity 321, i.e., electric The output shaft and steering engine output shaft 20 of machine 10 reduce the height of entire steering engine, and motor 10 and steering engine output shaft in parallel arrangement The power of motor 10 is passed using the connection of first gear component 40, second gear component 50 and third gear assembly 60 between 20 Steering engine output shaft 20 is passed, that is, the power realized between output shaft and steering engine output shaft 20 in the motor 10 of parallel arrangement passes It passs；The end face of installation shell 30 is installed for first gear component 40, the installation protrusion for installing second gear component 50 3211 end face and the bottom surface of the second installation cavity 321 for installing third gear assembly 60 it is stepped from high to low, this The mounting height for allowing for second gear component 50 and third gear assembly 60 is lower and lower, avoids due to second gear component 50 Installation with third gear assembly 60 and the height for increasing entire steering engine, the height of entire steering engine differ not with the height of motor 10 Greatly, the installation of other component can be eliminated as much as possible so that the entirely increase of steering engine height, reduces entire steering engine to reach Highly, meanwhile, pass through first gear component 40, second gear component 50, third gear assembly 60 and the 4th gear assembly 70 Multiple gears interconnection and the power transmitting effect realized, and directly adopt the single or less gear assembly of quantity Transmission is compared, the gear in gear assembly it is smaller, the component layout of entire steering engine is also more compact, entire steering engine Length and width is also just smaller, and first gear component 40 and the 4th gear assembly 70 are located at the two of the output shaft of motor 10 Side fully further can improve the installation space of entire steering engine using the output shaft both sides space of motor 10 Rate, so that the mounting structure of entire steering engine is more compact, the length and width of entire steering engine is smaller；When the big electricity of installation power When machine 10, the steering engine of the utility model embodiment is smaller compared to the volume of existing steering engine, then the utility model embodiment Steering engine can meet the small in size and big requirement of output power simultaneously.

In one embodiment, in conjunction with shown in Fig. 3, Fig. 4 and Fig. 5, the first gear component 40 includes first gear axis 41, the first gear wheel 42 and the first pinion gear 43, first gear wheel 42 and first pinion gear 43 are along first tooth The axis of wheel shaft 41 is successively fixedly installed on the first gear axis 41, and the end face of the installation shell 30 is equipped with the first peace Hole 312 is filled, and first mounting hole 312 is arranged close to the output shaft of the motor 10, the first gear axis 41 is close to institute The end for stating the first pinion gear 43 is inserted into first mounting hole 312, and first gear wheel 42 is defeated with the motor 10 Shaft is connected, and first pinion gear 43 is connected with the second gear component 50.

Specifically, the steering engine of the utility model embodiment, the first mounting hole 312 that the end of first gear axis 41 is inserted into It is interior, the first gear wheel 42 is allowed in this way and the first pinion gear 43 is set up and down is mounted on first gear axis 41, is located at The output axis connection of first gear wheel 42 and motor 10 on top, the first pinion gear 43 and second gear component 50 positioned at lower part Connection, thus by the power transmission of motor 10 to second gear component 50, and then steering engine output shaft 20 is passed to, it is big using first The difference in height of gear 42 and the first pinion gear 43 transmits power, then the connection of second gear component 50 and the first pinion gear 43 Place's height is lower than the tie point of motor 10 and the first gear wheel 42, and second gear component 50 is avoided to be installed on relative to motor 10 The lower section of output shaft further subtracts so that the installation because of second gear component 50 be avoided to cause the increase of entire steering engine height The height of few entire steering engine.

Further, the first mounting hole 312 is arranged close to the output shaft of motor 10, so that first gear axis 41 is as much as possible It is mutually arranged close to the output shaft of motor 10, so that the company between entire first gear component 40 and the output shaft of motor 10 Connect more compact, the length and width of entire steering engine occupied by first gear component 40 is also just smaller, and the structure of entire steering engine is more For compact.

In one embodiment, in conjunction with shown in Fig. 3, Fig. 4 and Fig. 5, the second gear component 50 includes second gear axis 51, the second gear wheel 52 and the second pinion gear 53, second gear wheel 52 and second pinion gear 53 are along second tooth The axis of wheel shaft 51 is successively fixedly installed on the second gear axis 51, and the end face of the installation protrusion 3211 is equipped with second Mounting hole 32111, the second gear axis 51 are inserted into second mounting hole 32111 close to the end of second pinion gear 53 Interior, second gear wheel 52 is connected with the first gear component 40, second pinion gear 53 and the third gear set Part 60 is connected.

Specifically, the steering engine of the utility model embodiment, by the end insertion installation protrusion 3211 of second gear axis 51 In second mounting hole 32111, the second largest gear 52 is allowed in this way and the second pinion gear 53 is set up and down is mounted on second On gear shaft 51, superposed second gear wheel 52 is connect with the first pinion gear 43, positioned at lower part the second pinion gear 53 with Third gear assembly 60 connects, thus by the power transmission of second gear component 50 to third gear assembly 60, and then pass to Steering engine output shaft 20 transmits power using the difference in height of the second gear wheel 52 and the second pinion gear 53, then third gear set The junction height of part 60 and the second pinion gear 53 is lower than the tie point of the first pinion gear 43 and the second gear wheel 52, avoids second Gear assembly 50 is installed on the lower section relative to first gear component 40, so that the installation because of third gear assembly 60 be avoided to cause The increase of entire steering engine height, further reduces the height of entire steering engine.

Further, first gear axis 41 can be reduced in by the cooperation of the first pinion gear 43 and the second gear wheel 52 The distance between two gear shafts 51, so that the connection between first gear component 40 and second gear component 50 is more compact, from And reduce the size of entire steering engine

In one embodiment, in conjunction with shown in Fig. 3, Fig. 4 and Fig. 5, the third gear assembly 60 includes third gear shaft 61, third gear wheel 62 and third pinion 63, the third gear wheel 62 and the third pinion 63 are along the third tooth The axis of wheel shaft 61 is successively fixedly installed on the third gear shaft 61, and the bottom surface of second installation cavity 321 is equipped with the Three mounting holes 3212, the third gear shaft 61 are inserted into the third mounting hole 3212 close to the end of the third pinion 63 Interior, the third gear wheel 62 is connected with the second gear component 50, the third pinion 63 and the steering engine output shaft 20 are connected.

Specifically, the second installation cavity 321 is inserted into the end of third gear shaft 61 by the steering engine of the utility model embodiment In second mounting hole 32111, the third-largest gear 62 is allowed in this way and third pinion 63 is set up and down is mounted on third On gear shaft 61, superposed third gear wheel 62 is connect with the second pinion gear 53, positioned at lower part third pinion 63 with Steering engine output shaft 20 connects, so that the power transmission of third gear assembly 60 is utilized third gear wheel to steering engine output shaft 20 62 and the difference in height of third pinion 63 transmit power, then the junction height of steering engine output shaft 20 and third pinion 63 Lower than the tie point of the second pinion gear 53 and third gear wheel 62, so that steering engine output shaft 20 and third pinion 63 are in the second peace 321 interior realize of behaveing affectedly connect, and the link position of steering engine output shaft 20 and third pinion 63 is avoided to protrude the second installation cavity 321 Outside, the height of entire steering engine is reduced.

Further, second gear axis 51 can be reduced in by the cooperation of the second pinion gear 53 and third gear wheel 62 The distance between three gear shafts 61, so that the connection between second gear component 50 and third gear assembly 60 is more compact, from And reduce the size of entire steering engine.

In one embodiment, in conjunction with shown in Fig. 3, Fig. 4 and Fig. 5, the 4th gear assembly 70 includes the 4th gear shaft 71, fourth pinion 72 and the fourth-largest gear 73, the fourth pinion 72 and the fourth-largest gear 73 are along the 4th tooth The axis of wheel shaft 71 is successively fixedly installed on the 4th gear shaft 71, and the end face of the installation shell 30 is equipped with the 4th peace Hole 313 is filled, and the 4th mounting hole 313 is arranged close to the output shaft of the motor 10, the output shaft of the motor 10 is located at The underface of first gear wheel 42, the fourth-largest gear 73 are connected with the output shaft of the motor 10, and the described 4th is small Gear 72 is engaged with first gear wheel 42 to be connected.

Specifically, the steering engine of the utility model embodiment, by the of the end of the 4th gear shaft 71 insertion installation shell 30 In four mounting holes 313, fourth pinion 72 is allowed in this way and the fourth-largest gear 73 is set up and down is mounted on third gear On axis 61, superposed fourth pinion 72 is connect with the first gear wheel 42, the fourth-largest gear 73 and motor positioned at lower part 10 output axis connection, thus by the power transmission of motor 10 to first gear component 40, and then be driven to steering engine output shaft 20, Simultaneously as superposed first gear wheel 42 is connected with superposed fourth pinion 72, then the first gear wheel 42 There are gaps with the lower part of fourth pinion 72, while output shaft being located in the hole, make entire rudder using the gap The structure of machine is more compact, and installation space obtains more reasonable utilization, entire steering engine it is smaller.

In one embodiment, in conjunction with shown in Fig. 1, Fig. 2 and Fig. 8, the steering engine further includes the first lid 80 and the second lid 90, The first evacuation chamber 81 is offered on first lid 80, and the second evacuation chamber 91, first lid are offered on second lid 90 80 are buckled on an end face of the installation shell 30 and the motor 10 are packaged in the first evacuation chamber 81, described first The end face of installation cavity 311 and the installation shell 30, which is enclosed, to be set in the fixed space to be formed and second lid 90 is buckled in the peace It fills on the other end of shell 30 being oppositely arranged and by the first gear component 40, the second gear component 50 and described Third gear assembly 60 is packaged in the end face of the second evacuation chamber 91, second installation cavity 321 and the installation shell 30 It encloses and sets in the gear installation space to be formed.

Specifically, the second lid 90 offers the second evacuation chamber 91 so that first gear component 40, second gear component 50, Third gear assembly 60 and the 4th gear assembly 70 can protrude out outside the end face of installation shell 30, and first gear component 40, the component that second gear component 50, third gear assembly 60 and the 4th gear assembly 70 protrude out can extend into second and keep away It allows in chamber 91, reduces the height of installation shell 30, fully utilize the thickness of the second lid 90, so that the height of entire steering engine Degree is reduced；Similarly, the first evacuation chamber 81 is offered on the first lid 80, and motor 10 is enabled to protrude out the second installation cavity Outside 321, and motor 10 protrudes out the partially protruding into the first evacuation chamber 81 of the second installation cavity 321, reduces the height of installation shell 30 Degree, makes full use of the thickness of the first lid 80, so that the height of entire steering engine is reduced, the structure of entire steering engine is more tight It gathers.

Further, position corresponding with first gear axis 41, second gear axis 51 are right on the bottom surface of the second evacuation chamber 91 Position, the corresponding position of third gear shaft 61 and the corresponding position of the 4th gear shaft 71 answered are equipped with fixation hole 911, the first tooth Wheel shaft 41 protrudes into corresponding fixation hole 911 close to the end of the first pinion gear 43, this allows for the both ends of first gear axis 41 It is respectively positioned in the first mounting hole 312 and fixation hole 911, it is ensured that the stability that first gear axis 41 rotates；Second gear axis 51 protrude into corresponding fixation hole 911 close to the end of the second pinion gear 53, this allows for the both ends difference of second gear axis 51 It is positioned at the second mounting hole 32111 and fixation hole 911, it is ensured that the stability that second gear axis 51 rotates；Third gear shaft 61 End close to third pinion 63 is protruded into corresponding fixation hole 911, and the both ends that this allows for third gear shaft 61 are fixed respectively Positioned at third mounting hole 3212 and fixation hole 911, it is ensured that the stability that third gear shaft 61 rotates；4th gear shaft 71 is close The end of the fourth-largest gear 73 is protruded into corresponding fixation hole 911, this both ends for allowing for the 4th gear shaft 71 is respectively positioned in 4th mounting hole 313 and fixation hole 911, it is ensured that the stability of the 4th gear shaft 71 rotation, and then ensure that entire steering engine is dynamic The reliability of power transmitting.

In one embodiment, in conjunction with shown in Fig. 1, Fig. 2 and Fig. 4, between the installation shell 30 and first lid 80 And sealing ring 100 is equipped between the installation shell 30 and second lid 90.

Specifically, the first lid 80 and the second lid 90 are fastened on respectively on the opposite end surface of installation shell 30, and the first lid 80 are equipped with sealing ring 100 at the fastening of installation shell 30 and at the second lid 90 and the fastening of installation shell 30, avoid outer The impurity such as the moisture in portion are from the fastening of the first lid 80 and installation shell 30 and at the fastening of the second lid 90 and installation shell 30 Enter internal damage motor 10, first gear component 40, second gear component 50, the third gear assembly 60 of installation shell 30 And the 4th gear assembly 70, it is ensured that the normal operation of steering engine, while extending the service life of steering engine.

In one embodiment, in conjunction with shown in Fig. 2, Fig. 7 and Fig. 8, if the steering engine further include several first bolts and Dry second bolt, the corner of first lid 80 are respectively equipped with the first fastener hole 82, the installation shell 30 with it is each described The corresponding position of first fastener hole 82 is equipped with the first threaded hole 33, and the corner of second lid 90 is respectively equipped with the second fastening Hole 92, the installation shell 30 position corresponding with each second fastener hole 92 are equipped with the second threaded hole 34, and each described One bolt is each passed through each first fastener hole 82 and is threadedly coupled with corresponding first threaded hole 33, each second spiral shell Bolt is each passed through each second fastener hole 92 and is threadedly coupled with corresponding second threaded hole 34.

Specifically, the steering engine of the utility model, each first bolt are each passed through each first fastener hole 82 and corresponding first Threaded hole 33 is threadedly coupled, and the first lid 80 is fixedly mounted on installation shell 30, each second bolt is each passed through each second Fastener hole 92 is threadedly coupled with corresponding second threaded hole 34, and the second lid 90 is fixedly mounted on installation shell 30, is passed through The connection function of first screw rod 111 and the second screw rod 112 is to be connected as one for the first lid 80, installation shell 30 and the second lid 90 A entirety can so that the connection of the first lid 80, installation shell 30 and the second lid 90 is more stable using the connection type of screw rod It leans on.

In one embodiment, referring to figs. 1 and 2, if being equipped on the opposite sides face of the installation shell 30 The dry fixed ear 35 for being connected with external component, and each fixed ear 35 is arranged close to second lid 90.

Specifically, entire steering engine is direct with external component or robot after fixed ear 35 using screw or bolt It is screwed, the fixed form operation using fixed ear 35 is simple.

Further, each fixed ear 35 offers on the side of installation shell 30 consolidates for what screw or bolt passed through Determine slot 351, when screw after perhaps bolt is unscrewed mobile entire steering engine to which screw or bolt be removed out of fixing groove 351, And then steering engine is disassembled from external component or robot；In the installation process of steering engine, by screw or bolt spiral shell Line is connected to external component and the fixing groove 351 on steering engine is perhaps caught in spiral shell from the side of screw or bolt again in robot On silk or bolt, the installation of entire steering engine is easy to operate.

In one embodiment, in conjunction with shown in Fig. 4 and Fig. 7, the installation shell 30 is equipped with third installation cavity 322, institute Third installation cavity 322 is stated to be located at the positive lower section of second installation cavity 321 and communicate with first installation cavity 311.

Specifically, third installation cavity 322 is opened up on installation shell 30, it is empty that installation on the one hand can be provided for other component Between, such as: on the other hand the components such as control device, connector can reduce the weight of entire steering engine.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model Protection scope within.

Claims (10)

1. a kind of steering engine, it is characterised in that: including motor, steering engine output shaft, installation shell, first gear component, second gear Component, third gear assembly and the 4th gear assembly, the installation shell include equipped with the first installation cavity for being arranged side by side and the Two installation cavitys, the opening of first installation cavity and the opening of second installation cavity are arranged in the opposite direction；

The motor is installed in first installation cavity, and the output shaft of the motor passes through the bottom of first installation cavity simultaneously Protrude out that the mounting shell is external, the 4th gear assembly be installed on the end face of the installation shell and with the motor Output shaft is connected；

The first gear component is installed on the end face of the installation shell and is connected with the 4th gear assembly, and described First gear component and the 4th gear assembly are located at the both sides of the output shaft of the motor, and the first gear Component is arranged close to the opening of second installation cavity；

The bottom surface of second installation cavity is equipped with installation protrusion, and the installation protrusion is arranged close to first installation cavity, and institute End face of the end face lower than the installation shell of installation protrusion is stated, the second gear component is installed in the installation protrusion simultaneously It is connected with the first gear component；

The steering engine output shaft is installed in second installation cavity, and the third gear assembly is installed on second installation cavity Interior, the third gear assembly is connected with the second gear component, and the third gear assembly and the steering engine output shaft It is connected.

2. steering engine according to claim 1, it is characterised in that: the first gear component includes first gear axis, first Gear wheel and the first pinion gear, first gear wheel and first pinion gear are successively solid along the axis of the first gear axis Loaded on the first gear axis, the end face of the installation shell is equipped with the first mounting hole, and first mounting hole for Dingan County Output shaft close to the motor is arranged, and the first gear axis is close to the end of first pinion gear insertion first peace It fills in hole, first gear wheel is connected with the output shaft of the motor, first pinion gear and the second gear component It is connected.

3. steering engine according to claim 1, it is characterised in that: the second gear component includes second gear axis, second Gear wheel and the second pinion gear, second gear wheel and second pinion gear are successively solid along the axis of the second gear axis Dingan County is loaded on the second gear axis, and the end face of the installation protrusion is equipped with the second mounting hole, and the second gear axis leans on The end of nearly second pinion gear is inserted into second mounting hole, second gear wheel and the first gear component phase Even, second pinion gear is connected with the third gear assembly.

4. steering engine according to claim 1, it is characterised in that: the third gear assembly includes third gear shaft, third Gear wheel and third pinion, the third gear wheel and the third pinion are successively solid along the axis of the third gear shaft Loaded on the third gear shaft, the bottom surface of second installation cavity is equipped with third mounting hole, the third gear shaft for Dingan County It is inserted into the third mounting hole close to the end of the third pinion, the third gear wheel and the second gear component It is connected, the third pinion is connected with the steering engine output shaft.

5. steering engine according to claim 2, it is characterised in that: the 4th gear assembly includes the 4th gear shaft, the 4th Pinion gear and the fourth-largest gear, the fourth pinion and the fourth-largest gear are successively solid along the axis of the 4th gear shaft Loaded on the 4th gear shaft, the end face of the installation shell is equipped with the 4th mounting hole, and the 4th mounting hole for Dingan County Output shaft close to the motor is arranged, and the output shaft of the motor is located at the underface of first gear wheel, and the described 4th Gear wheel is connected with the output shaft of the motor, and the fourth pinion is engaged with first gear wheel to be connected.

6. described in any item steering engines according to claim 1~5, it is characterised in that: the steering engine further includes the first lid and second Lid, described first covers and offers the first evacuation chamber, and described second covers and offer the second evacuation chamber, and first cover buckle is set to The first evacuation chamber, first installation cavity and the peace are packaged on one end face of the installation shell and by the motor The end face of dress shell enclose set in the fixed space to be formed and second cover buckle to be set to being oppositely arranged for the installation shell another Described second is packaged on one end face and by the first gear component, the second gear component and the third gear assembly The end face of evacuation chamber, second installation cavity and the installation shell, which is enclosed, to be set in the gear installation space to be formed.

7. steering engine according to claim 6, it is characterised in that: between the installation shell and first lid and described Sealing ring is equipped between installation shell and second lid.

8. steering engine according to claim 6, it is characterised in that: the steering engine further includes several first bolts and several The corner of second bolt, first lid is respectively equipped with the first fastener hole, the installation shell and each first fastener hole Corresponding position is equipped with the first threaded hole, and the corner of second lid is respectively equipped with the second fastener hole, the installation shell Position corresponding with each second fastener hole is equipped with the second threaded hole, and each first bolt is each passed through each described first Fastener hole is threadedly coupled with corresponding first threaded hole, each second bolt be each passed through each second fastener hole with Corresponding second threaded hole is threadedly coupled.

9. steering engine according to claim 6, it is characterised in that: be equipped on the opposite sides face of the installation shell several A fixed ear for being connected with external component, and each fixed ear is close to the second lid setting.

10. described in any item steering engines according to claim 1~5, it is characterised in that: the installation shell is installed equipped with third Chamber, the third installation cavity are located at the positive lower section of second installation cavity and communicate with first installation cavity.