CN206754339U - Conversion equipment - Google Patents

Abstract

The utility model discloses a kind of conversion equipment, conversion equipment includes housing, motor, worm screw, duplicate gear, first gear axle, shift fork axial brake device, shift fork and shift fork axle, housing includes enclosure body and lid, motor is fixed in housing, shift fork axial brake device includes second gear axle, travelling gear, sleeve, torsion spring and drive gear, ventilating column, the interior passage formed with for the inner space of housing to be connected to external environment condition of ventilating column are provided with lid.According to conversion equipment of the present utility model, when driver is when using conversion equipment, the gas of expanded by heating can be discharged outside housing from ventilating column in housing, so that housing inside and outside air pressure balance, ensure the normal work of housing internal components, extend the working life of conversion equipment.

Description

Conversion equipment

Technical field

Vehicle manufacture field is the utility model is related to, in particular to a kind of conversion equipment.

Background technology

In the vehicle of time sharing, driver can realize two-wheel drive mode and four by two drive 4 wheel driven conversion equipments Wheel drive mode is freely changed.

For example, Chinese invention patent (application number：201210319693.1；Publication number：102829177B；) disclose one kind The drive pattern conversion equipment of 4 wheel driven automobile, the drive pattern conversion equipment pass through multiple gears by the use of motor as power source And torsion spring enters action edge and transmits shift fork axial action.

But there are the following problems for the drive pattern conversion equipment：The housing of conversion equipment is full-closed structure, driver Using conversion equipment when, the gear of motor and conversion equipment easily generates heat at work, in housing gas easily by Thermal expansion, excessive gas pressure may damage the electric elements in conversion equipment, while influence the service life of motor, influence The working life of conversion equipment.

Utility model content

In view of this, the utility model is directed to a kind of conversion equipment, and the conversion equipment at least to a certain extent can Extend working life.

To reach above-mentioned purpose, what the technical solution of the utility model was realized in：

A kind of conversion equipment, including housing, motor, worm screw, duplicate gear, first gear axle, shift fork axle driving dress Put, shift fork and shift fork axle, the housing include enclosure body and the lid being arranged in the enclosure body, the motor It is fixed in the housing, the worm screw is driven by the motor, and the first gear axle is arranged in the housing, institute State duplicate gear to be set on the first gear axle, the duplicate gear includes driving gear and driven gear, the active Gear and the worm engaging, the shift fork axial brake device include second gear axle, travelling gear, sleeve, torsion spring and driving Gear, the drive gear are fixed on the sleeve, and the drive gear, the sleeve and the travelling gear are enclosed on described On second gear axle, the travelling gear is engaged with the driven gear, and travelling gear is fixedly installed on the travelling gear Baffle plate, is fixedly installed sleeve baffle plate on the sleeve, the torsion spring set on the sleeve and the torsion spring both ends difference With the travelling gear baffle plate and the sleeve baffle plate against the shift fork is arranged in the shift fork axle, in the shift fork axle Rack is provided with, the drive gear is engaged with the rack, and ventilating column is provided with the lid, is formed in the ventilating column There is the passage for the inner space of the housing to be connected to external environment condition.

Further, the ventilating column is integrally formed with the lid.

Further, the lid includes motor receiving portion and travelling gear receiving portion, the motor receiving portion with it is described Travelling gear receiving portion is connected, and the ventilating column is between the motor receiving portion and the travelling gear receiving portion and neighbouring The junction of the motor receiving portion and the travelling gear receiving portion.

Further, the outward flange of the lid has narrowed bayonet socket formed with neck, the neck.

Further, the motor receiving portion has shaft end and tail end, and the neck is close to the tail end.

Further, the number of teeth of the driving gear is more than the number of teeth of the driven gear, the number of teeth of the travelling gear More than the number of teeth of the drive gear.

Further, the duplicate gear is metal duplicate gear, and the travelling gear is plastic gear, the sliding tooth It is plastic sleeve to take turns as metal drive gear, the sleeve.

Further, sleeve flange is integrally formed with the sleeve, the sleeve baffle plate is consolidated with the sleeve flange Fixed, the sleeve baffle plate is located at the radial outside of the sleeve, and the torsion spring is located at the outer peripheral face of the sleeve and the sleeve Between baffle plate, the travelling gear baffle plate is located at the radial outside of the sleeve baffle plate.

Further, bellows is additionally provided with the housing, the end of the bellows has end plug, the end Portion's plug includes plug casing and clamping part, and the clamping part is arranged on the plug casing, is set in the plug casing There is guide plate.

Further, the clamping part includes arc pressuring plate, riser and clamp, the arc pressuring plate and the plug Housing is connected, and the riser is fixed in the arc pressuring plate, and the clamp is separately positioned on the both sides of the riser, described Clamp is located at the lower section of the arc pressuring plate.

Relative to prior art, conversion equipment described in the utility model has the advantage that：

According to conversion equipment of the present utility model, by setting ventilating column in lid, when driver is using conversion equipment When, the gas of expanded by heating can be discharged outside housing from ventilating column in housing, so that housing inside and outside air pressure balance, ensures housing The normal work of inner member, extend the working life of conversion equipment.

Brief description of the drawings

Form a part of accompanying drawing of the present utility model to be used for providing further understanding to of the present utility model, this practicality is new The schematic description and description of type is used to explain the utility model, does not form to improper restriction of the present utility model. In accompanying drawing：

Fig. 1 is the explosive view of the conversion equipment of the utility model embodiment；

Fig. 2 is the outside schematic diagram of the lid of the utility model embodiment；

Fig. 3 is the schematic internal view of the lid of the utility model embodiment；

Fig. 4 is the sleeve of the utility model embodiment and the structural representation of drive gear；

Fig. 5 is the front view of the end plug of the utility model embodiment；

Fig. 6 is the stereogram of the end plug of the utility model embodiment.

Description of reference numerals：

100- conversion equipments, 1- housings, 11- enclosure bodies, 12- lids, 121- ventilating columns, 1211- passages, 122- electricity Machine receiving portion, 1221- shaft ends, 1222- tail ends, 123- travelling gear receiving portions, 124- sealing rings, 125- threaded fasteners, 126- necks, 1261- bayonet sockets, 127- junctions, 2- motors, 4- duplicate gears, 41- driving gears, 42- driven gears, 5- first gear axles, 61- second gear axles, 62- travelling gears, 621- travelling gear baffle plates, 63- sleeves, 631- sleeve baffle plates, 632- pads, 633- sleeve flanges, 64- torsion springs, 65- drive gears, 7- shift fork axles, 71- racks, 8- shift forks, 91- are inserted end Head, 911- plug casings, 9111- guide plates, 912- clamping parts, 9121- arc pressuring plates, the reinforcing plates of 91211- first, 9122- Riser, 9123- clamps, the reinforcing plates of 91231- second.

Embodiment

It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the utility model can To be mutually combined.

Describe the utility model in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

The conversion equipment 100 of the utility model embodiment is described below with reference to Fig. 1-Fig. 6 and in conjunction with the embodiments.

As shown in figs 1 to 6, the conversion equipment 100 of the utility model embodiment can include housing 1, motor 2, snail Bar, duplicate gear 4, first gear axle 5, shift fork axial brake device, shift fork 8 and shift fork axle 7.Housing 1 includes the He of enclosure body 11 The lid 12 being arranged in enclosure body 11, enclosure body 11 can dock with lid 12 and by multiple threaded fasteners 125 It is connected, so as to which motor 2, first gear axle 5 are fixed in housing 1.

As shown in figure 1, motor 2 can have the output shaft of motor 2, it is defeated that worm screw can be socketed in motor 2 On shaft, when motor 2 rotates, motor 2 can drive worm screw to rotate, i.e., worm screw can be driven by motor 2, Such as worm screw is fixed on the motor shaft of motor 2.

First gear axle 5 can be arranged in housing 1, such as one end of first gear axle 5 can be fixed on enclosure body On 11, the other end of first gear axle 5 can be supported on lid 12.Duplicate gear 4 can be set on first gear axle 5 and phase Rotatable to first gear axle 5, duplicate gear 4 can include driving gear 41 and driven gear 42.

As shown in figure 1, shift fork axial brake device can include second gear axle 61, travelling gear 62, sleeve 63, torsion spring 64 With drive gear 65.

Second gear axle 61 can be arranged in housing 1, such as one end of second gear axle 61 can be fixed on housing sheet On body 11, the other end of second gear axle 61 can be supported on lid 12.

Drive gear 65 can be fixed with sleeve 63, such as drive gear 65 can be integrally fixed with sleeve 63, such as one In individual embodiment, drive gear 65 can be metal gear, and sleeve 63 can be working of plastics, and the part of drive gear 63 can be with It is embedded in the sleeve 63 of plastics.

Sleeve 63 can be between drive gear 65 and travelling gear 62, drive gear 65, sleeve 63 and travelling gear 62 can be set on second gear axle 61 and can be rotated relative to second gear axle 61, drive gear 65, sleeve 63 and biography Moving gear 62 can be positioned in housing 1.

As shown in figure 1, can be fixedly installed travelling gear baffle plate 621 on travelling gear 62, travelling gear baffle plate 621 can Think arc and can be set along the circumferential edge of travelling gear 62, travelling gear baffle plate 621 can be along second gear axle 61 It is axially extending.

As shown in figure 4, sleeve baffle plate 631 can be fixedly installed on sleeve 63, sleeve baffle plate 631 can be arc and Can be along the axially extending of second gear axle 61 with the circumferential edge of parallel sleeve 63, sleeve baffle plate 631.Sleeve baffle plate 631 Can be with parallel to each other, in other words with travelling gear baffle plate 621, the distance between sleeve baffle plate 631 and travelling gear baffle plate 621 can With generally equalized.

As shown in figure 1, the diameter of travelling gear 62 can be more than the diameter of sleeve 63, travelling gear 62 can be hollow knot Structure, sleeve 63 can be partially nests within travelling gear 62, and travelling gear baffle plate 621 can be set in outside sleeve baffle plate 631, Torsion spring 64 can be enclosed on sleeve 63.

It is understood that torsion spring 64 can between travelling gear baffle plate 621 and sleeve baffle plate 631, torsion spring 64 One end can be resisted against one end of sleeve baffle plate 631, and the other end of torsion spring 64 can be resisted against the another of travelling gear baffle plate 621 End, when travelling gear 62 rotates relative to sleeve 63 and drive gear 65, travelling gear baffle plate 621 is relative to sleeve baffle plate 631 rotate, and now torsion spring 64 can store elastic potential energy.

As shown in figure 1, shift fork 8 can be arranged in shift fork axle 7, rack 71, driving gear can be provided with shift fork axle 7 41 can engage with worm engaging, travelling gear 62 with driven gear 42, and drive gear 65 engages with rack 71.

Thus, driver is when needing to change vehicle between two-wheel drive mode and four-wheel drive pattern, Ke Yikai The forward or reverse of motor 2 is opened, so as to which the worm screw on motor driving shaft can rotate forward or backwards, for example, in driving electricity When machine 2 rotates forward (schematically illustrate), worm screw drives driving gear 41 to rotate, and driving gear 41 drives driven gear 42 to rotate, driven Gear 42 rotates with nutating gear 62 relative to drive gear 65.

Torsion spring 64 accumulates elastic potential energy when travelling gear 62 rotates relative to drive gear 65, when torsion spring 64 accumulates certain bullet Property potential energy after discharge and make drive gear 65 rotate, drive gear 65 further makes shift fork axle 7 drive the edge of shift fork 8 by rack 71 Move in own axes direction.

Similarly, when motor 2 inverts, action process is with said process on the contrary, shift fork 8 axially moves in opposite direction It is dynamic.Wherein, the conversion of two-wheel drive mode and four-wheel drive pattern can be realized by the axial movement of shift fork 8.

As shown in Fig. 2 ventilating column 121 can be provided with lid 12, passage 1211 can be formed in ventilating column 121, Passage 1211 can be the inner space of housing 1 and the connecting pipe of the external environment condition of housing 1.

According to the conversion equipment 100 of the utility model embodiment, by setting ventilating column 121 in lid 12, work as driver When using conversion equipment 100, the gas of expanded by heating can be discharged outside housing 1 from ventilating column 121 in housing 1, so that shell The inside and outside air pressure balance of body 1, ensure the normal work of the inner member of housing 1, extend the working life of conversion equipment 100.

Specifically, as shown in figure 1, sealing ring 124 can be provided between lid 12 and enclosure body 11, and sealing ring 124 can To be set along the edge of lid 12, so as to ensure that housing 1 has good sealing, ensure the interior element normal work of housing 1.

As shown in figure 1, pad 632 can be provided between sleeve 63 and travelling gear 62, so as to buffer sleeve baffle plate The pressure of 631 pairs of travelling gears 62, reduce the friction between sleeve 63 and travelling gear 62.

Specifically, ventilating column 121 can be integrally formed with lid 12.Therefore without assembling ventilating column 121, conversion equipment 100 it is easier for installation.

In some specific embodiments, as shown in Figures 2 and 3, lid 12 can include motor receiving portion 122 and transmission Gear receiving portion 123, motor receiving portion 122 and travelling gear receiving portion 123 can be recessed to outside housing 1, and motor 2 can To be at least partially recessed into motor receiving portion 122, travelling gear 62 can accommodate at least in part along gear face direction In travelling gear receiving portion 123, motor receiving portion 122 can be connected with travelling gear receiving portion 123, so as to so that motor Receiving portion 122 and travelling gear receiving portion 123 are distributed compacter on lid 12.

As shown in Fig. 2 ventilating column 121 can be between motor receiving portion 122 and travelling gear receiving portion 123, and lead to Gas column 121 can be adjacent to the junction 127 of motor receiving portion 122 and travelling gear receiving portion 123.Motor 2 is in converting means It can be generated heat when putting 100 work, thus, ventilating column 121 is apart from motor 2 closer to ventilating column 121 can be by the He of motor 2 The air of expanded by heating is discharged in time near travelling gear 62, ensures the internal and external pressure balance of housing 1.

In some specific embodiments, as shown in Figures 2 and 3, the outward flange of lid 12 could be formed with neck 126, There is side opening to form narrowed bayonet socket 1261 for the up/down perforation lid 12 of neck 126 and neck 126.Can be with outside ventilating column 121 Breather pipe is socketed, breather pipe can be fixed in neck 126 by bayonet socket 1261, and breather pipe can be upwardly extended with vehicle Prevent water etc. from directly entering from ventilating column 121 in housing 1 when paddling, ensure the interior element normal work of housing 1.

Further, as shown in Figures 2 and 3, motor receiving portion 122 can have shaft end 1221 and tail end 1222, shaft end 1221 can accommodate the output shaft of the motor 2 of motor 2, due to motor 2 output shaft and travelling gear 62 away from From the junction 127 that can be located at travelling gear receiving portion 123 closer to, it is to be understood that shaft end 1221, i.e., shaft end 1221 can Set with neighbouring ventilating column 121, neck 126 can there can be longer-range close to tail end 1222, neck 126 with ventilating column 121 From, so as to breather pipe fixed with neck 126 it is more firm.

Further, the number of teeth of driving gear 41 can be more than the number of teeth of driven gear 42, and the number of teeth of travelling gear 62 can With the number of teeth more than drive gear 65, so relatively small number of driven gear 42 of the number of teeth and the relatively large number of travelling gear 62 of the number of teeth It is more laborsaving when engaging, so form retarding efffect, add driving torque, and then can move shift fork 8, it can reduce The power output of motor 2.

Further, duplicate gear 4 can be metal duplicate gear, and travelling gear 62 can be plastic gear, sliding tooth Wheel 65 can be metal drive gear, and sleeve 63 can be plastic sleeve.Thus, travelling gear 62 and the cost of sleeve 63 are lower, And then reduce the manufacturing cost of conversion equipment 100.Moreover, travelling gear 62 is relatively large sized, using the transmission of plastics Light-weight design can be better achieved in gear 62.

Further, as shown in figure 4, may be integrally formed sleeve flange 633 on the outer peripheral face of sleeve 63, sleeve gear Plate 631 can be fixed with sleeve flange 633, and sleeve baffle plate 631 can be located at the radial outside of sleeve 63, so as to sleeve baffle plate It can be arranged at intervals between 631 and sleeve 63, torsion spring 64 can be located between the outer peripheral face and sleeve baffle plate 631 of sleeve 63, and Torsion spring 64 only can be against on the end face of sleeve flange 633, and travelling gear baffle plate 621 can be located at the radial direction of sleeve baffle plate 631 Outside.

Thus, sleeve flange 633 can be such that sleeve baffle plate 631 is arranged at intervals with sleeve 63, so as to be provided for torsion spring 64 Installing space.

Further, bellows can be additionally provided with housing 1, can have wire harness, the freedom of bellows in bellows End can have end plug 91, and one end of wire harness can be connected with end plug 91, and the other end of wire harness can be with driving electricity Other electric elements connections in the control element or housing of machine 2, so that motor 2 or other electric elements are powered and controlled System, end plug 91 can electrically connect with vehicle to plug receptacle, with supply of electrical energy and the interaction for realizing control signal.Letter speech It, the wire harness realization in the bellows in housing 1 to partly or entirely using the function of supplying power of electric device and for part or entirely Portion needs the part for transmitting electric signal to carry out signal transmission, the function of interaction.

As shown in Figure 5 and Figure 6, end plug 91 can include plug casing 911 and clamping part 912, in plug casing 911 Can be provided with guide plate 9111, on vehicle to being provided with guide groove on plug receptacle, guide groove can match somebody with somebody with guide plate 9111 Close, consequently facilitating plug casing 911 is connected with vehicle to plug receptacle, clamping part 912 can be arranged on plug casing 911 On, clamping part 912 can connect and fix with the vehicle body of vehicle, so as to ensure plug casing 911 with being connected firmly to plug receptacle.

Further, as shown in Figure 5 and Figure 6, clamping part 912 can include arc pressuring plate 9121, riser 9122 and card Plate 9123, arc pressuring plate 9121 can be connected with plug casing 911, and arc pressuring plate 9121 can be towards plug casing 911 Bending, riser 9122 can be fixed on the inner side of arc pressuring plate 9121, and the both sides of the free end of riser 9122 can be set respectively There is clamp 9123, two clamps 9123 can extend towards the direction of arc pressuring plate 9121.

So, corresponding mounting structure is connected to arc pressuring plate 9121 and two clamps as installed metal plate sandwiched on vehicle body Between 9123, and connecting plate 9121 is due to using arc, therefore has certain deformability, by arc pressuring plate 9121 Deformability, securely the mounting structure on vehicle body can be fixed between arc pressuring plate 9121 and clamp 9123.

In some specific embodiments, as shown in fig. 6, the can be provided with two free ends of arc pressuring plate 9121 One reinforcing plate 91211, the first reinforcing plate 91211 can strengthen the structural strength of arc pressuring plate 9121, the freedom of clamp 9123 The second reinforcing plate 91231 can be provided with end, the second reinforcing plate 91231 can strengthen the structural strength of clamp 9123.

Preferred embodiment of the present utility model is these are only, it is all in this practicality not to limit the utility model Within new spirit and principle, any modification, equivalent substitution and improvements made etc., guarantor of the present utility model should be included in Within the scope of shield.

Claims (10)

1. A kind of 1. conversion equipment (100), it is characterised in that including：

   Housing (1), the housing (1) include：Enclosure body (11) and the lid (12) being arranged in the enclosure body (11)；

   Motor (2), the motor (2) are fixed in the housing (1)；

   Worm screw, the worm screw are driven by the motor (2)；

   Duplicate gear (4), first gear axle (5), the first gear axle (5) are arranged in the housing (1), the duplex-gear Wheel (4) is set on the first gear axle (5), and the duplicate gear (4) includes driving gear (41) and driven gear (42), The driving gear (41) and the worm engaging；

   Shift fork axle (7) drive device, shift fork axle (7) drive device include：Second gear axle (61), travelling gear (62), Sleeve (63), torsion spring (64) and drive gear (65), the drive gear (65) are fixed on the sleeve (63), the driving Gear (65), the sleeve (63) and the travelling gear (62) are enclosed on the second gear axle (61), the travelling gear (62) engaged with the driven gear (42), travelling gear baffle plate (621) is fixedly installed on the travelling gear (62), it is described Sleeve baffle plate (631) is fixedly installed on sleeve (63), the torsion spring (64) is enclosed on the sleeve (63) and the torsion spring (64) both ends respectively with the travelling gear baffle plate (621) and the sleeve baffle plate (631) against；

   Shift fork (8) and shift fork axle (7), the shift fork (8) are arranged in the shift fork axle (7), are provided with the shift fork axle (7) Rack (71), the drive gear (65) are engaged with the rack (71)；

   Wherein, ventilating column (121) is provided with the lid (12), formed with for by the shell in the ventilating column (121) The passage (1211) of the inner space connection external environment condition of body (1).
2. 2. conversion equipment (100) according to claim 1, it is characterised in that the ventilating column (121) and the lid (12) it is integrally formed.
3. 3. conversion equipment (100) according to claim 1, it is characterised in that the lid (12) includes：Motor receiving portion (122) it is connected with travelling gear receiving portion (123), the motor receiving portion (122) with the travelling gear receiving portion (123), The ventilating column (121) is between the motor receiving portion (122) and the travelling gear receiving portion (123) and neighbouring described Motor receiving portion (122) and the junction (127) of the travelling gear receiving portion (123).
4. 4. conversion equipment (100) according to claim 1, it is characterised in that the outward flange of the lid (12) formed with Neck (126), the neck (126) have narrowed bayonet socket (1261).
5. 5. conversion equipment (100) according to claim 4, it is characterised in that the motor receiving portion (122) has shaft end (1221) and tail end (1222), the neck (126) is close to the tail end (1222).
6. 6. conversion equipment (100) according to claim 1, it is characterised in that the number of teeth of the driving gear (41) is more than The number of teeth of the driven gear (42), the number of teeth of the travelling gear (62) are more than the number of teeth of the drive gear (65).
7. 7. the conversion equipment (100) according to claim 1 or 6, it is characterised in that the duplicate gear (4) is that metal is double Join gear, the travelling gear (62) is plastic gear, and the drive gear (65) is metal drive gear, the sleeve (63) For plastic sleeve.
8. 8. conversion equipment (100) according to claim 1, it is characterised in that be integrally formed with the sleeve (63) Sleeve flange (633), the sleeve baffle plate (631) is fixed with the sleeve flange (633), and the sleeve baffle plate (631) is located at The radial outside of the sleeve (63), the torsion spring (64) are located at the outer peripheral face of the sleeve (63) and the sleeve baffle plate (631) between, the travelling gear baffle plate (621) is located at the radial outside of the sleeve baffle plate (631).
9. 9. conversion equipment (100) according to claim 1, it is characterised in that be additionally provided with ripple on the housing (1) Pipe, the end of the bellows have end plug (91), and the end plug (91) includes：Plug casing (911) and buckle Portion (912), the clamping part (912) are arranged on the plug casing (911), are provided with and are led in the plug casing (911) To plate (9111).
10. 10. conversion equipment (100) according to claim 9, it is characterised in that the clamping part (912) includes：

    Arc pressuring plate (9121), the arc pressuring plate (9121) are connected with the plug casing (911)；

    Riser (9122), the riser (9122) are fixed in the arc pressuring plate (9121)；

    Clamp (9123), the clamp (9123) are separately positioned on the both sides of the riser (9122), clamp (9123) position In the lower section of the arc pressuring plate (9121).