CN205937708U - Integral type drive gear - Google Patents
Integral type drive gear Download PDFInfo
- Publication number
- CN205937708U CN205937708U CN201620546741.4U CN201620546741U CN205937708U CN 205937708 U CN205937708 U CN 205937708U CN 201620546741 U CN201620546741 U CN 201620546741U CN 205937708 U CN205937708 U CN 205937708U
- Authority
- CN
- China
- Prior art keywords
- gear shaft
- gear
- hole
- integral type
- shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides an integral type drive gear, gear package draws together the rim plate and sets up the gear shaft at the rim plate center, rim plate and gear shaft integrated into one piece, all expose in rim plate both sides quotation at the gear shaft both ends, and perhaps, gear shaft only one end exposes in rim plate one side quotation, the gear shaft is quill shaft or solid shafting, if the gear shaft is the quill shaft, wherein the emptying aperture both ends are the open end, set up / do not set up the line mouth on the gear shaft lateral wall of port department. The shaping of this device integrative process has improved the concentricity of gear rim plate and gear shaft, being equipped with limit structure on the gear shaft, having guaranteed gear shaft and more steady reliable by the transmission between the moving part, locking is firm, hollow gear shaft can be used to wiring, compact structure, strengthen the bush and has strengthened hollow gear shaft intensity, prevent that the gear shaft warp, the R angle fall round angle structure, further save wiring space, also can cooperate folding mechanism to use, avoid the line of grinding away.
Description
Technical field
This utility model is related to gear drive field, more particularly, to a kind of integral type travelling gear drive mechanism.
Background technology
Gear drive is most widely used a kind of type of belt drive in machine driving.Its gear ratio is more accurate, efficiency high, knot
Structure is compact, reliable operation, life-span length.The gear shaft that gear generally includes wheel disc and is arranged on wheel disk center.
In some loads less, however it is necessary that still ensureing transmission accuracy in frequent forward and backward and gear ratio being had
The high-precision precision drive field of necessarily required low-load, gear wheel disc is usually working of plastics, and gear shaft is handware, both
Bag note is processed as one, because bag is noted leaves gap between the handware entered and mould, the therefore concentricity of gear can exist
Certain deviation, thus affecting transmission accuracy, and both degree of adhesions are low, are easily damaged or come off.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of integral type travelling gear structure, this gear structure
The concentricity between gear wheel disc and gear shaft can not only be obviously improved, and easy to process, compact conformation, it is easy to narrow and small
Arrange in space.
This utility model is achieved through the following technical solutions：
A kind of integral type travelling gear, the gear shaft that described gear includes wheel disc and is arranged on wheel disk center, its feature exists
In：
Described wheel disc and gear shaft are integrally formed, and gear shaft two ends all expose to wheel disc both sides card, or, gear shaft is only
One end exposes to wheel disc side card；
Described gear shaft is quill shaft or solid shafting；
If gear shaft is quill shaft, its hollow hole two ends is opening, the gear shaft side wall of port opens up/no
Opened up line mouth.
This gear is integrally machined molding by modes such as integral molded plastic, casting or punching presses, by the machining accuracy of mould
Can control the concentricity of gear wheel disc and gear shaft, assembly precision need not be considered, therefore, it is possible to improve the concentricity of gear, carry
The high precision of transmission, is especially suitable for during frequent forward and backward still ensureing transmission accuracy and gear ratio being had certain requirements
Low-load high-precision precision drive field.
Further, integrally formed connected mode can also be adopted between gear shaft and the Passive part being driven by,
By position limiting structure, separate gear shaft and Passive part can be coupled together：Described gear shaft is provided with position limiting structure,
And be connected with the Passive part of independent disengaging by position limiting structure and tighten together.Difficulty of processing, arrangement space can be considered
The factors such as the shape of size and concrete Passive part are flexibly selected.
Further, described position limiting structure is included along gear shaft axial direction from gear shaft exposed junction end face towards wheel disc truncation
First confined planes, and/or the locating slot axially opening up towards wheel disc from gear shaft exposed junction end face along gear shaft；Open on Passive part
If gear shaft installing hole, its shape and gear shaft outer rim mating shapes, with the second confined planes with the first confined planes cooperation
And/or the positioning convex corresponding with locating slot, gear shaft exposed junction loading gear shaft installation in the hole, the first confined planes and second
Confined planes are bonded to each other, and/or positioning convex elastic compression is nested in locating slot, and clamping screw passes through the first confined planes and the
Two confined planes, gear shaft and Passive part locking are integrated.Confined planes not only can phase between limiting gear axle and Passive part
To circumferentially rotating, and be conducive to the assembling of clamping screw, prevent Passive part to be pulled out from gear shaft；Locating slot and gear
Positioning convex on axle installing hole matches, and positioning convex elastic compression is nested in locating slot it is also possible to by gear shaft and quilt
Moving part locking is integrated, and prevents moving relative to circumferential and axial between the two, confined planes fit structure and locating slot-convex
Playing fit structure can be single more reliable using the transmission it is also possible to use cooperatively, making between gear shaft and Passive part, lock
Tightly firm.
Further, described position limiting structure includes axially opening up towards wheel disc from gear shaft exposed junction end face along gear shaft
At least one locating slot；Gear shaft installing hole is opened up on Passive part, hole wall carries the positioning convex corresponding with locating slot, tooth
Wheel shaft exposed junction loads gear shaft and installs in the hole, and positioning convex elastic compression is nested in locating slot, by gear shaft and Passive part
Locking is integrated.By spaced multiple locating slots-positioning convex fit structure it is also ensured that gear shaft and Passive part
Between transmission more reliable, locking is firmly.
Further, described position limiting structure includes the locating slot being opened on gear shaft exposed junction side face, location hole or fixed
Position pit；Gear shaft installing hole opened up on Passive part, gear shaft exposed junction loads gear shaft and installs in the hole, clamping screw with passive
Threaded between part, its tail end elasticity is squeezed into locating slot, in location hole or location dimples, spreading locating slot, location hole or
Location dimples, gear shaft and Passive part locking are integrated.The outside dimension of clamping screw is more than locating slot, location hole or positioning
The width of pit, when being therefore fitted into locating slot, location hole or location dimples, being capable of spreading locating slot, location hole or positioning
Pit, realizes tight fit between the two, reaches the effect of locking.
Further, the hollow in the hole of described gear shaft is provided with reinforcement bushing.Hollow bore configuration can be used for installing control
Circuit and/or power circuit, make the structure of whole precision actuating device compacter, for strengthening the gear shaft intensity of hollow, can
To strengthen bushing in hollow hole inner liner, during preventing position limiting structure fastening, the excessive gear shaft distortion causing of pretightning force.
Further, described reinforcement bushing is metal tube on the hollow hole inwall of gear shaft for the bushing, the metal twisting
Piece or metallic mesh.Wherein, metal tube is full lining mode, and the sheet metal twisting is local bushing mode, and metallic mesh is net
Trellis bushing mode, can play preferable support reinforcing effect.
Further, described bushing of strengthening is that elasticity presses fit into the hollow spring post of hollow in the hole of gear shaft or elasticity is rolled over
Bending spring piece or other have the flexible member of similar functions, and hollow gear axle strengthened by the elastic-restoring force bushing using flexible member
Intensity, it may have original support reinforcing effect.
Further, described line mouth outer rim rounding excessively, its exposed face is cambered surface.If hollow hole port opened up line
Mouth, control circuit and/or power circuit can cross out hollow hole from crossing line mouth bending.Save wiring space further,
Some fold mechanisms can be coordinated to use, break cable when preventing folding, using the rounding corner structure at R angle, can avoid
Ground away line.
Further, described integral type travelling gear is formed in one plastic gear, plastic gear or metal gear, or
Person's other had both had certain hardness, was easy to the gear that the material of integral type processing is made again.
The beneficial effects of the utility model are：
1st, it is integrally machined molding, can control the concentricity of gear wheel disc and gear shaft by the machining accuracy of mould, no
Assembly precision need to be considered, improve the precision of transmission；
2nd, gear shaft is provided with position limiting structure it is ensured that the transmission between gear shaft and Passive part is more reliable, locking
Firmly；
3rd, the gear shaft of hollow can be used for connecting up, and takes full advantage of limited arrangement space, the structure of device is closely；
4th, strengthen bushing and strengthen the gear shaft intensity of hollow, when preventing position limiting structure fastening, pretightning force is excessive to be caused
Gear shaft distortion；
5th, the rounding corner structure at R angle, saves wiring space further it is also possible to cooperation fold mechanism uses, it is to avoid grind away
Cross line.
Brief description
Fig. 1 is that a kind of right side of preferred structure of this utility model regards schematic diagram
Fig. 2 is the front view of Fig. 1
Fig. 3 is the schematic perspective view of Fig. 1
Fig. 4 is the schematic perspective view of this utility model another kind preferred structure
Fig. 5 is the front view of Fig. 4
Fig. 6 is gear and assembling schematic diagram in roll horn for the Passive part in Fig. 1～3
Fig. 7 is that in Fig. 6, empty thiol divides close-up schematic view
Fig. 8 is the threading structure schematic diagram of Fig. 6 middle gear
Fig. 9 is assembling structure schematic diagram in pitching horn for the gear
In Fig. 1～9：1 is wheel disc, and 2 is gear shaft, and 201 is hollow hole, and 202 was line mouth, and 203 is locating slot, and 204 are
First confined planes, 3 is to strengthen bushing, and 4 is Passive part, and 401 is the second confined planes, and 402 is positioning convex, and 5 is roll horn peace
Dress seat, 6 is roll horn, and 7 is pitching horn.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
As shown in Fig. 1～5, gear includes wheel disc 1 and the gear shaft 2, wheel disc 1 and the gear shaft 2 one that are arranged on wheel disc 1 center
Body formed, gear shaft 2 two ends all expose to wheel disc 1 both sides card, or, gear shaft 2 only one end exposes to wheel disc 1 one side panel
Face；Gear shaft 2 is quill shaft, and its hollow hole 201 two ends is opening, is provided with reinforcement bushing 3, reinforcing line in hollow hole 201
Set 3 is metal tube.
As can be seen from figures 6 to 8, gear shaft 2 is provided with position limiting structure, and by position limiting structure and the independent Passive part 4 departing from
Connection tightens together.
Position limiting structure as shown in Figures 1 to 3 includes axially flat towards wheel disc 1 from gear shaft 2 exposed junction end face along gear shaft 2
The first confined planes 204 cut and the locating slot 203 axially opening up towards wheel disc 1 from gear shaft 2 exposed junction end face along gear shaft 2,
First confined planes 204 and locating slot 203 are located at the opposite sides of gear shaft 2；As shown in figs. 6-7, Passive part 4 opens up gear
Axle installing hole, its shape and gear shaft 2 outer rim mating shapes, with the second confined planes 401 coordinating with the first confined planes 204
And the positioning convex 402 corresponding with locating slot 203, gear shaft 2 exposed junction loading gear shaft installation in the hole, the first confined planes
204 and second confined planes 401 bonded to each other, positioning convex 402 elastic compression is nested in locating slot 203, and clamping screw passes through
First confined planes 204 and the second confined planes 401, gear shaft 2 and Passive part 4 locking are integrated.
Position limiting structure as shown in Figures 4 and 5 includes axially opening towards wheel disc 1 from gear shaft 2 exposed junction end face along gear shaft 2
If two locating slots 203.Open up gear shaft installing hole on the Passive part 4 matching with it, hole wall carries and locating slot 203
Corresponding positioning convex 402, gear shaft 2 exposed junction loads gear shaft and installs in the hole, and positioning convex 402 elastic compression is nested into
In locating slot 203, gear shaft 2 and Passive part 4 locking are integrated.
Or, position limiting structure includes the locating slot 203 being opened on gear shaft 2 exposed junction side face, and location hole or positioning are recessed
Hole；Gear shaft installing hole is opened up on Passive part 4, gear shaft 2 exposed junction loads gear shaft and installs in the hole, clamping screw and Passive part
Threaded between 4, its tail end elasticity is squeezed into locating slot 203, in location hole or location dimples, spreading locating slot 203, and positioning
Hole or location dimples, gear shaft 2 and Passive part 4 locking are integrated.
As shown in figure 8, control circuit and/or power circuit are directly worn from the hollow hole 201 two ends port activity of gear shaft 2
Go out, this kind of threading mode is applied to great majority and rotates drive mechanism.
As shown in Figures 4 and 5, the side wall of hollow hole 201 one end port of gear shaft 2 opens up line mouth 202, cross line mouth
202 outer rim roundings, its exposed face is cambered surface, and control circuit and/or power circuit can be from cross line mouth bending and cross out
Emptying aperture.This kind of threading mode is suitable for the drive mechanism of compound movement, as shown in figure 9, Passive part 4 is installed on roll horn mounting seat
In 5, roll horn mounting seat 5 can drive roll horn 6 to rotate around gear shaft 2 under gear shaft 2 drives, and roll horn 6 is also
Can pull with the articulated section of roll horn mounting seat 5 around it, thus roll horn 6 and pitching horn 7 are folded.From
Cross control circuit and/or the power circuit that line mouth passes, stretch out roll horn mounting seat 5, stretch in roll horn 6, cross line mouth
202 break cable when effectively can prevent folding.
Claims (10)
1. a kind of integral type travelling gear, described gear includes wheel disc (1) and the gear shaft (2) being arranged on wheel disc (1) center, its
It is characterised by：
Described wheel disc (1) and gear shaft (2) are integrally formed, and gear shaft (2) two ends all expose to wheel disc (1) both sides card,
Described gear shaft (2) is quill shaft, and its hollow hole (201) two ends are opening, on gear shaft (2) the side wall of port
Open up/do not opened up line mouth (202).
2. integral type travelling gear according to claim 1 it is characterised in that：Described gear shaft (2) is provided with spacing knot
Structure, and be connected with the Passive part (4) of independent disengaging by position limiting structure and tighten together.
3. integral type travelling gear according to claim 2 it is characterised in that：
Described position limiting structure is included along gear shaft (2) axially from gear shaft (2) exposed junction end face towards the first of wheel disc (1) truncation
Confined planes (204), and/or the locating slot axially opening up towards wheel disc (1) from gear shaft (2) exposed junction end face along gear shaft (2)
(203)；
Passive part opens up gear shaft installing hole on (4), its shape and gear shaft (2) outer rim mating shapes, with the first limit
The second confined planes (401) and/or the positioning convex (402) corresponding with locating slot (203) that plane (204) coordinates, gear shaft
(2) exposed junction loads gear shaft installation in the hole, and the first confined planes (204) and the second confined planes (401) are bonded to each other and/or fixed
Raised (402) elastic compression in position is nested in locating slot (203), and clamping screw is spacing through the first confined planes (204) and second
Face (401), gear shaft (2) and Passive part (4) locking are integrated.
4. integral type travelling gear according to claim 2 it is characterised in that：
Described position limiting structure includes axially opening up at least towards wheel disc (1) from gear shaft (2) exposed junction end face along gear shaft (2)
One locating slot (203)；
Passive part opens up gear shaft installing hole on (4), and hole wall carries the positioning convex (402) corresponding with locating slot (203),
Gear shaft (2) exposed junction loads gear shaft and installs in the hole, and positioning convex (402) elastic compression is nested in locating slot (203), will
Gear shaft (2) and Passive part (4) locking are integrated.
5. integral type travelling gear according to claim 2 it is characterised in that：
Described position limiting structure includes the locating slot (203) being opened on gear shaft (2) exposed junction side face, and location hole or positioning are recessed
Hole；
Gear shaft installing hole opened up on Passive part (4), gear shaft (2) exposed junction loads gear shaft and installs in the hole, clamping screw with
Threaded between Passive part (4), its tail end elasticity is squeezed into locating slot (203), and in location hole or location dimples, spreading positions
Groove (203), location hole or location dimples, gear shaft (2) and Passive part (4) locking are integrated.
6. integral type travelling gear according to claim 2 it is characterised in that：It is provided with reinforcement in described hollow hole (201)
Bushing (3).
7. integral type travelling gear according to claim 6 it is characterised in that：Described reinforcement bushing (3) is bushing in tooth
Metal tube on the hollow hole inwall of wheel shaft (2), the sheet metal twisting or metallic mesh.
8. integral type travelling gear according to claim 6 it is characterised in that：Described reinforcement bushing (3) press-fits for elasticity
Enter the hollow spring post of the hollow in the hole of gear shaft (2) or elastic bending reed.
9. integral type travelling gear according to claim 1 it is characterised in that：Described line mouth (202) outer rim rounding excessively,
Its exposed face is cambered surface.
10. integral type travelling gear according to claim 1 it is characterised in that：Described integral type travelling gear is integrated
The plastic gear of molding, plastic gear or metal gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620546741.4U CN205937708U (en) | 2016-06-07 | 2016-06-07 | Integral type drive gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620546741.4U CN205937708U (en) | 2016-06-07 | 2016-06-07 | Integral type drive gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205937708U true CN205937708U (en) | 2017-02-08 |
Family
ID=57932259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620546741.4U Expired - Fee Related CN205937708U (en) | 2016-06-07 | 2016-06-07 | Integral type drive gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205937708U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106989158A (en) * | 2017-05-24 | 2017-07-28 | 宁波金鑫粉末冶金有限公司 | A kind of automobile engine water pump driving wheel structure |
| CN107166047A (en) * | 2017-07-21 | 2017-09-15 | 无锡隆盛科技股份有限公司 | Abrasionproof valve element for low pressure EGR valve |
| CN107477165A (en) * | 2017-07-27 | 2017-12-15 | 陈海燕 | A kind of external gear |
| CN110005783A (en) * | 2019-04-19 | 2019-07-12 | 浙江美亚特精密机械有限公司 | A kind of composite metal/plastic gear and its manufacturing process and purposes |
| CN111140641A (en) * | 2019-12-11 | 2020-05-12 | 兰州飞行控制有限责任公司 | Backlash eliminating gear for coupling flight control shaft and angle sensor and using method thereof |
-
2016
- 2016-06-07 CN CN201620546741.4U patent/CN205937708U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106989158A (en) * | 2017-05-24 | 2017-07-28 | 宁波金鑫粉末冶金有限公司 | A kind of automobile engine water pump driving wheel structure |
| CN106989158B (en) * | 2017-05-24 | 2023-07-14 | 宁波金鑫粉末冶金有限公司 | Driving wheel structure of automobile engine water pump |
| CN107166047A (en) * | 2017-07-21 | 2017-09-15 | 无锡隆盛科技股份有限公司 | Abrasionproof valve element for low pressure EGR valve |
| CN107477165A (en) * | 2017-07-27 | 2017-12-15 | 陈海燕 | A kind of external gear |
| CN110005783A (en) * | 2019-04-19 | 2019-07-12 | 浙江美亚特精密机械有限公司 | A kind of composite metal/plastic gear and its manufacturing process and purposes |
| CN111140641A (en) * | 2019-12-11 | 2020-05-12 | 兰州飞行控制有限责任公司 | Backlash eliminating gear for coupling flight control shaft and angle sensor and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170208 Termination date: 20210607 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |