CN209688038U - A kind of micro machine gear-box snap-fitted structure - Google Patents
A kind of micro machine gear-box snap-fitted structure Download PDFInfo
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- CN209688038U CN209688038U CN201822211095.8U CN201822211095U CN209688038U CN 209688038 U CN209688038 U CN 209688038U CN 201822211095 U CN201822211095 U CN 201822211095U CN 209688038 U CN209688038 U CN 209688038U
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- gear
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Abstract
The utility model provides a kind of micro machine gear-box snap-fitted structure, including gear box cover, gear housing and gear drive；The gear box cover is connected by a snap structure with the gear housing and connect to form gear-box, the buckle connecting structure includes the buckle and block being arranged in pairs, the buckle is set to the side wall of the gear box cover, the block is set to the wall outer surface of the gear housing, and the block is realized in the button hole by sliding into the buckle and snapped connection；The gear drive is set to the inside of the gear-box；The buckle connecting structure further includes the card slot and fixture block being arranged in pairs, and the card slot is set to the side wall of the gear box cover, and the fixture block is set to the side wall top surface of the gear housing, and the fixture block is snapped connection by realizing in the insertion card slot.The utility model eliminates screw fixing assembling mode, improves the Assembly stability of gear housing and gear box cover；Reduce cost of parts and production cost.
Description
Technical field
The utility model relates to a kind of micro machine gear-box snap-fitted structures.
Background technique
As vehicle intellectualized degree improves, it is electronic that each sections such as body of a motor car, seat all gradually adopt micro machine to realize
Change.To reach target capabilities, such micro machine usually requires to increase output torque using gear drive.With automobile industry
Compete it is more and more fierce, cost control have become automobile micro machine design key factor；Traditional micro machine gear-box assembly
Structure (such as Fig. 1) adopts the mode being screwed, this mode high production cost, and stability is also general；Based on this, it is necessary to provide
One kind is assembled without using screw, low in cost, the good micro machine gear-box assembling structure of stability.
Utility model content
The purpose of the utility model is to provide a kind of micro machine gear-box snap-fitted structures, solve miniature in the prior art
Gearbox-case is assembled using screw, and stability is poor, problem at high cost.
Above-mentioned technical problem is solved, the technical solution adopted in the utility model is as follows:
A kind of micro machine gear-box snap-fitted structure, including gear box cover, gear housing and gear drive；It is described
Gear box cover is connected by a snap structure with the gear housing and connect to form gear-box, and the buckle connecting structure includes pairs of
The buckle and block of setting, the buckle are set to the side wall of the gear box cover, and the block is set to the side of the gear housing
Wall outer surface, the block are realized in the button hole by sliding into the buckle and are snapped connection；The gear drive is set to institute
State the inside of gear-box；It is characterized in that, the buckle connecting structure further includes the card slot and fixture block being arranged in pairs, the card slot
Set on the side wall of the gear box cover, the fixture block is set to the side wall top surface of the gear housing, and the fixture block passes through insertion institute
Realization in card slot is stated to snap connection.
An embodiment of the present invention, lug boss structure of the fixture block by tabs and set on the tabs end
At；The card slot is equipped with the insertion hole being connected and blocked hole, and card slot, the clamping are protruded into for the fixture block in the insertion hole
Hole is used for the lug boss tight against the fixture block.
Further, the lug boss of the fixture block is equipped with guide surface, and fixture block is facilitated to enter card slot.
An embodiment of the present invention, the buckle connecting structure is equipped with the multipair buckle and block, also, appoints
It anticipates and is equipped at least a pair of card slot and fixture block between adjacent two pairs of buckles and block.
The micro machine gear-box snap-fitted structure of the utility model is equipped with limit between the gear box cover and gear housing
Bit architecture, the position limiting structure include that at least a pair of guide post being arranged in pairs and limit hole, the guide post are set to the tooth
The side edge edge of cabinet is taken turns, the limit hole is set to the side wall bottom surface of the gear box cover.So that in the gear box cover and institute
When stating gear housing and connecting to form the gear-box, the guide post is inserted into the limit hole.
The side wall of an embodiment of the present invention, the side wall of the gear box cover and the gear housing surrounds tool
There is a cavity space of Pear-Shaped section, described in the cavity space composition of the cavity space of the gear box cover and the gear housing
The inner cavity of gear-box；The buckle connecting structure is equipped with two pairs of buckles and block, is located at the Pear-Shaped section
Head and tail portion, and the line of symmetry of the Pear-Shaped section passes through the head and tail portion；The buckle connecting structure is equipped with four pairs
The card slot and fixture block, four pairs of card slots and fixture block are divided into two groups be arranged symmetrically along the line of symmetry；The position limiting structure is set
There are three pairs of guide posts and limit hole, guide post described in one pair of them and limit hole are located at the head of the Pear-Shaped section,
Remaining two pairs of described guide post and limit hole are located at the tail portion of the Pear-Shaped section.
An embodiment of the present invention, the gear drive include output gear, duplicate gear and worm screw, institute
It states duplicate gear and output gear is meshed, the worm screw is meshed with the duplicate gear, and the gear-box, which is equipped with, exposes institute
It states the first perforation of worm screw and exposes the second perforation of the axis hole of the output gear, enable: the motor shaft of external micro machine
It enough penetrates in the inner cavity of the gear-box by described first and is fixedly connected with the worm screw, the output shaft energy of external agency
It enough penetrates in the inner cavity of the gear-box by described second and is fixedly connected with the axis hole of the output gear.
Further, the motor shaft ends are arranged with powder metallurgy axle sleeve, and are fixed by PEEK gasket.It is arranged in this way
Motor shaft rotation is more steady.
Further, the motor shaft ends are equipped with rubber pad, and the motor shaft is tight against the rubber pad.Rubber pad can be with
Stress is buffered, is conducive to reduce impact force when gear stall, protects gear.
An embodiment of the present invention, the gear housing is interior to be equipped with fixing axle, and the duplicate gear is sleeved on institute
It states in fixing axle.
Biperforate hole wall of an embodiment of the present invention, the gear-box is equipped with oil storage tank.
Further, it is equipped with gear oil clot in the oil storage tank, prevents oily leakage.
An embodiment of the present invention, the output gear are equipped with annular convex platform, and the inner cavity of the annular convex platform connects
Lead to the output gear axis hole；The annular convex platform is rotatable to be fitted into the second perforation of the gear-box, so that described defeated
Gear is rotatable out is assemblied in the gear-box.
The utility model has the beneficial effect that
(1) the micro machine gear-box snap-fitted structure structure of the utility model is simple, improve existing gear box cover and
The assembly method of gear housing is cancelled screw and is fixed, using full fastening type structure, improves the dress of gear housing and gear box cover
With stability；Reduce cost of parts and production cost, optimized production process；
(2) the micro machine gear-box snap-fitted structural electromotor power transmitting of the utility model is steady, improves micro machine
NVH performance and wear properties, have practical application value.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of prior art micro machine gear-box screw assembling structure；
Fig. 2 is the structural schematic diagram of the utility model micro machine gear-box snap-fitted structure；
Fig. 3 is the explosive view of the utility model micro machine gear-box snap-fitted structure；
Fig. 4 is the structural schematic diagram of the utility model micro machine gear-box snap-fitted structure gear cabinet；
Fig. 5 is the structural schematic diagram of the utility model micro machine gear-box snap-fitted inside configuration structure；
Appended drawing reference is as follows in figure: 1- gear box cover；2- gear housing；3- block；4- buckle；5- card slot；6- fixture block；7-
Limit hole；8- guide post；9- output gear；10- duplicate gear；11- worm screw；12- motor shaft；13- fixing axle；14- oil storage tank；
15- powder metallurgy axle sleeve；16-PEEK gasket；17- rubber pad.
Specific embodiment
With reference to embodiment, the technical solution of the utility model is described in further detail, but not structure
Any restrictions of pairs of the utility model.
Micro machine gear-box snap-fitted structure shown in Fig. 2-5, including gear box cover 1, gear housing 2 and gear pass
Motivation structure.
Gear box cover 1 is connected by a snap structure with gear housing 2 and connect to form gear-box.The side wall of gear box cover 1 and
The side wall of gear housing 2 surrounds the cavity space with Pear-Shaped section, the cavity space and gear housing 2 of gear box cover 1
Cavity space composition gear-box inner cavity.Buckle connecting structure includes that the first buckle connecting structure and second snaps connection knot
Structure.First buckle connecting structure includes the buckle 4 and block 3 being arranged in pairs, and block 3 is set to 1 wall outer surface of gear housing, phase
4 should be buckled and be set to 1 side wall of gear box cover, block 3 is realized in the button hole by sliding into buckle 4 and snapped connection.Second snaps connection
Structure includes the card slot 5 and fixture block 6 being arranged in pairs, and fixture block 6 is snapped connection by realizing in insertion card slot 5.Fixture block 6 is set to gear
The side wall top surface of cabinet 2, lug boss of the fixture block 6 by tabs and set on tabs end are constituted, and lug boss is equipped with guide surface；Card
Slot 5 is set to 1 side wall of gear box cover, and card slot 5 is equipped with the insertion hole being connected and blocked hole, and card slot is protruded into for fixture block 6 in insertion hole
5, blocked hole is used for the lug boss tight against fixture block 6.Second buckle connecting structure further strengthens gear housing 2 and gear box cover 1
Connection.Position limiting structure is equipped between gear box cover 1 and gear housing 2, position limiting structure includes the guide post 8 being arranged in pairs and limit
Position hole 7, guide post 8 are set to the side edge edge of gear housing 2, and limit hole 7 is set to the side wall bottom surface of gear box cover 1.So that in tooth
Wheel case lid 1 with gear housing 2 when connect to form gear-box, in the insertion limit hole 7 of guide post 8, further strengthen gear housing 2 and
1 connective stability of gear box cover.In the present embodiment, the first buckle connecting structure is equipped with two pairs of buckles 4 and block 3, is set to cucurbit
The head and tail portion of shape section；Second buckle connecting structure is equipped with four pairs of card slots 5 and fixture block 6, is divided into two groups and is symmetrically positioned in cucurbit
At left and right sides of shape section line of symmetry；Position limiting structure is equipped with three pairs of guide posts 8 and limit hole 7, one pair of them guide post 8 and limit hole
7 are set to the head of cucurbit type profile, and in addition two pairs of guide posts 8 and limit hole 7 are set to the tail portion of cucurbit type profile, and symmetrical position
In line of symmetry two sides.It compares to adopt with existing gear-box assembling structure and is screwed gear housing 2 and gear box cover 1, this reality
Example is applied, screw assembling structure is replaced using the second buckle connecting structure and position limiting structure, while reducing first and snapping connection knot
The quantity of structure buckle 4 and block 3 reduces two pairs by four pairs, substantially increases 1 connective stability of gear housing 2 and gear box cover,
Production cost is reduced simultaneously.
It is set in gear-box in gear drive, including output gear 9, duplicate gear 10 and worm screw 11, duplicate gear
10 and output gear 9 be meshed, worm screw 11 is meshed with duplicate gear 10.Gear-box be equipped with expose worm screw 11 first perforation and
Expose the second perforation of the axis hole of output gear 9.The motor shaft 12 of external micro machine can penetrate gear-box by first
Inner cavity in be fixedly connected with worm screw 11, in the inner cavity that the output shaft of external agency can penetrate gear-box by second with
The axis hole of output gear 9 is fixedly connected.Duplicate gear 10 is sheathed in the fixing axle 13 in gear housing 2, fixing axle 13 and tooth
Cabinet 2 is taken turns to be integrally formed.Output gear 9 is equipped with annular convex platform, and the inner cavity of the annular convex platform is connected to 9 axis hole of output gear, ring
Shape boss is rotatable to be fitted into the second perforation of gear-box, is assemblied in gear-box so that output gear 9 is rotatable.Gear
Biperforate hole wall of case is equipped with oil storage tank 14, and oil storage tank 14 provides lubrication, in order to prevent oil leak, storage to output gear 9
Gear oil clot is equipped in oil groove 14.In the present embodiment, 12 end sleeve of motor shaft is equipped with powder metallurgy axle sleeve 15, and passes through PEEK gasket
16 is fixed, and setting motor shaft 12 rotates more steady in this way.12 end of motor shaft is additionally provided with rubber pad 17, and motor shaft 12 is tight against rubber
Rubber mat 17 is arranged, and rubber pad 17 can buffer stress, be conducive to reduce impact force when gear stall, protects gear.
The above embodiments of the present invention is not the restriction to scope of protection of the utility model, the reality of the utility model
It is without being limited thereto to apply mode, all this kind above content according to the present utility model, according to the ordinary technical knowledge of this field and used
With means, under the premise of not departing from the utility model above-mentioned basic fundamental thought, the utility model above structure is made its
The modification, replacement or change of its diversified forms, shall fall within the scope of the present invention.
Claims (10)
1. a kind of micro machine gear-box snap-fitted structure, including gear box cover, gear housing and gear drive；The tooth
Wheel case lid is connected by a snap structure with the gear housing and connect to form gear-box, and the buckle connecting structure includes setting in pairs
The buckle and block set, the buckle are set to the side wall of the gear box cover, and the block is set to the side wall of the gear housing
Outer surface, the block are realized in the button hole by sliding into the buckle and are snapped connection；The gear drive is set to described
The inside of gear-box；It is characterized in that, the buckle connecting structure further includes the card slot and fixture block being arranged in pairs, the card slot is set
In the side wall of the gear box cover, the fixture block is set to the side wall top surface of the gear housing, and the fixture block passes through described in insertion
It realizes and snaps connection in card slot.
2. micro machine gear-box snap-fitted structure according to claim 1, which is characterized in that the fixture block is by tabs
It is constituted with the lug boss for being set to surface end except the tabs；The card slot is equipped with the insertion hole being connected and blocked hole,
The lug boss of the fixture block pass through the card slot insertion hole after be stuck in the blocked hole of the card slot, with realize the fixture block and
Snapping connection between the card slot.
3. micro machine gear-box snap-fitted structure according to claim 2, which is characterized in that the lug boss of the fixture block
Equipped with guide surface.
4. micro machine gear-box snap-fitted structure according to claim 1, which is characterized in that the buckle connecting structure
Equipped with the multipair buckle and block, also, arbitrary neighborhood two is equipped at least a pair of card between the buckle and block
Slot and fixture block.
5. micro machine gear-box snap-fitted structure according to any one of claims 1 to 4, which is characterized in that the tooth
It takes turns and is equipped with position limiting structure between case lid and gear housing, the position limiting structure includes at least a pair of guide post and limit being arranged in pairs
Position hole, the guide post are set to the side edge edge of the gear housing, and the limit hole is set to the side wall bottom of the gear box cover
Face, so that: when the gear box cover connect to form the gear-box with the gear housing, the guide post is inserted into the limit
In the hole of position.
6. micro machine gear-box snap-fitted structure according to claim 5, which is characterized in that the side of the gear box cover
The side wall of wall and the gear housing surrounds the cavity space with Pear-Shaped section, the cavity space of the gear box cover and
The cavity space of the gear housing forms the inner cavity of the gear-box；The buckle connecting structure be equipped with two pairs it is described buckle and
Block, is located at the head and tail portion of the Pear-Shaped section, and the line of symmetry of the Pear-Shaped section by the head and
Tail portion；The buckle connecting structure is equipped with four pairs of card slots and fixture block, and four pairs of card slots and fixture block are divided into along the line of symmetry
Two groups be arranged symmetrically；The position limiting structure is equipped with three pairs of guide posts and limit hole, guide post and limit described in one pair of them
Position hole is located at the head of the Pear-Shaped section, remaining two pairs of described guide post and limit hole are located at the tail of the Pear-Shaped section
Portion.
7. micro machine gear-box snap-fitted structure according to any one of claims 1 to 4, which is characterized in that the tooth
Wheel drive mechanism includes output gear, duplicate gear and worm screw, and the duplicate gear and output gear are meshed, the worm screw with
The duplicate gear is meshed, and the gear-box is equipped with the first perforation for exposing the worm screw and the axis for exposing the output gear
Second perforation in hole, enables: the inner cavity that the motor shaft of external micro machine penetrates the gear-box by described first
In be fixedly connected with the worm screw, the inner cavity that the output shaft of external agency can penetrate the gear-box by described second
In be fixedly connected with the axis hole of the output gear.
8. micro machine gear-box snap-fitted structure according to claim 7, which is characterized in that set in the gear housing
There is fixing axle, the duplicate gear is sleeved in the fixing axle.
9. micro machine gear-box snap-fitted structure according to claim 7, which is characterized in that the second of the gear-box
The hole wall of perforation is equipped with oil storage tank.
10. micro machine gear-box snap-fitted structure according to claim 7, which is characterized in that on the output gear
Equipped with annular convex platform, the inner cavity of the annular convex platform is connected to the output gear axis hole；The rotatable loading institute of annular convex platform
It states in the second perforation of gear-box, is assemblied in the gear-box so that the output gear is rotatable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822211095.8U CN209688038U (en) | 2018-12-27 | 2018-12-27 | A kind of micro machine gear-box snap-fitted structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822211095.8U CN209688038U (en) | 2018-12-27 | 2018-12-27 | A kind of micro machine gear-box snap-fitted structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209688038U true CN209688038U (en) | 2019-11-26 |
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ID=68597109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822211095.8U Active CN209688038U (en) | 2018-12-27 | 2018-12-27 | A kind of micro machine gear-box snap-fitted structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209688038U (en) |
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2018
- 2018-12-27 CN CN201822211095.8U patent/CN209688038U/en active Active
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