CN206667990U - Automobile door lock mechanism - Google Patents
Automobile door lock mechanism Download PDFInfo
- Publication number
- CN206667990U CN206667990U CN201720260231.5U CN201720260231U CN206667990U CN 206667990 U CN206667990 U CN 206667990U CN 201720260231 U CN201720260231 U CN 201720260231U CN 206667990 U CN206667990 U CN 206667990U
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- CN
- China
- Prior art keywords
- gear
- door lock
- lock mechanism
- automobile door
- worm screw
- 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.)
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Abstract
The utility model discloses a kind of automobile door lock mechanism, it includes a worm screw, a worm gear, the worm screw includes a guide-localization axle, a rack, a polished rod, the drive block being sequentially connected, the outer surface of the rack is provided with displacement involute gear, the excircle of the worm gear is provided with helical gear, the transverse tooth thickness ratio of the helical gear and the displacement involute gear is more than 2, the guide-localization axle and the drive block are set along the axisymmetrical of the worm screw, and the centre of gyration line of the guide-localization axle and the drive block is on the axis of the worm screw.Automobile door lock mechanism of the present utility model, have that bearing capacity is strong when realizing that motion is transmitted, stable drive, efficiency high, noise and with small vibration and compact-sized, service life length.
Description
Technical field
It the utility model is related to a kind of automobile door lock mechanism.
Background technology
In recent years, with rapid development of economy, automobile has turned into the daily vehicles of people, and present consumer
Comfortableness and security to automobile propose higher requirement.
For complicated present in orthodox car door lock keying component, volume is big, cumbersome for installation and service life
The characteristics of shorter.Existing automobile door lock mechanism starts using worm and gear as its driving member, because it can meet smaller
Space in realize big retarding than requirement.
However, worm gear is made by plastics, worm screw is metal material, because repeatedly reversing or reversing energetically worm and gear is turned round
Song deformation, causes service life low.Meanwhile the self structure of worm screw make it that transmission efficiency is poor, noise is high during execution, and easily causes
Unstable phenomenon, accident potential be present.
Utility model content
The technical problems to be solved in the utility model is to overcome transmission efficiency of the prior art poor, and noise is high, easily
Cause unstability, a kind of defects such as service life is low, there is provided automobile door lock mechanism.
The utility model is that solve above-mentioned technical problem by following technical proposals：
A kind of automobile door lock mechanism, it includes a worm screw, a worm gear, and its feature is that the worm screw includes successively
A guide-localization axle, a rack, a polished rod, a drive block for connection, the outer surface of the rack are provided with displacement involute
Gear, the excircle of the worm gear are provided with helical gear, and the transverse tooth thickness ratio of the helical gear and the displacement involute gear is more than 2,
The guide-localization axle and the drive block are set along the axisymmetrical of the worm screw, and the guide-localization axle and the biography
The centre of gyration line of motion block is on the axis of the worm screw.
It is preferred that the drive block is provided with a connecting portion, a driving section, one end of the connecting portion is connected to the light
Bar, the cross section of the connecting portion are more than the cross section of the polished rod, and the other end of the connecting portion is connected to the driving section.
It is preferred that the middle part of the driving section is provided with positioning piece, the surrounding of the keeper is arranged with several cards
Part.
It is preferred that it is integrally formed between the guide-localization axle, the rack, the polished rod, the drive block.
It is preferred that the helical gear and the displacement involute gear are without tooth height.
It is preferred that the helical gear outer surface is provided with polytetrafluorethylecoatings coatings, molybdenum disulfide coating or equadag coating.
On the basis of common sense in the field is met, above-mentioned each optimum condition, can be combined, produce the utility model respectively compared with
Good example.
Positive effect of the present utility model is：
Automobile door lock mechanism of the present utility model, have that bearing capacity is strong when realizing that motion is transmitted, stable drive, efficiency
Height, noise and with small vibration and compact-sized, service life length.
Brief description of the drawings
Fig. 1 is the structural representation of the worm screw of the automobile door lock mechanism of the utility model preferred embodiment.
Description of reference numerals：
Worm screw 1
Guide-localization axle 11
Rack 12, conjugate involute gear 121
Polished rod 13
Drive block 14, connecting portion 141, driving section 142, keeper 1421, fastener 1422
Embodiment
Below by embodiment mode and become apparent from intactly illustrating the utility model with reference to accompanying drawing, but not therefore
The utility model is limited among described scope of embodiments.
As shown in figure 1, automobile door lock mechanism of the present utility model, it includes a worm screw 1, a worm gear, and worm screw 1 includes
A guide-localization axle 11, a rack 12, a polished rod 13, the drive block 14 being sequentially connected, pass through the convenience of guide-localization axle 11
Connected in the installation of worm screw 1.Guide-localization axle 11 and drive block 14 are set along the axisymmetrical of worm screw 1, and guide-localization axle
11 and drive block 14 centre of gyration line on the axis of worm screw 1.Avoid in turning course due to caused by rotary inertia
Journal wear, lift transmission accuracy.Meanwhile eliminate unstable phenomenon of the worm screw 1 in rotary course, reduce worm screw 1 and worm gear it
Between vibratory impulse, reduce the generation of noise.Wherein, the material of guide-localization axle 11 can be Fine Steel Casting iron, have high
Rigidity.
The outer surface of rack 12 is provided with displacement involute gear 121, and the excircle of worm gear is provided with helical gear, helical gear and
The transverse tooth thickness ratio for conjugating involute gear 121 is more than 2.Cause automobile door lock mechanism that there is bearing capacity when realizing that motion is transmitted
By force, stable drive, efficiency high, vibration is further reduced, greatly prolongs service life.
Wherein, the helical gear of worm gear can be processed by fine module gear so that machining accuracy is higher.The material of worm gear can
Think wearability plastics, extend the service life of automobile door lock mechanism.Helical gear outer surface can be provided with polytetrafluoroethylene (PTFE) and apply
Layer, molybdenum disulfide coating or equadag coating, substantially reduce in use to damage caused by the helical gear of worm gear.To the He of worm screw 1
Worm gear cut top and goes tooth high, i.e. helical gear and displacement involute gear 121 is high without tooth, so as to tighter in bulk
Gather, meet space requirement.
In order to reach the effect for strengthening the structural strength of worm screw 1, drive block 14 can be provided with a connecting portion 141, a driving section
142, one end of connecting portion 141 is connected to polished rod 13, and the cross section of connecting portion 141 is more than the cross section of polished rod 13, realizes and strengthens
Bonding strength between drive block 14 and polished rod 13.The other end of connecting portion 141 is connected to driving section 142.In worm screw 1, lead
It can be integrally formed between locating shaft 11, rack 12, polished rod 13, drive block 14, it is strong so as to reach the structure of reinforcement worm screw 1
Degree, increases the service life.
The middle part of driving section 142 can be provided with positioning piece 1421, be easy to the installation of driving section 142 to connect.Keeper
1421 surrounding can be arranged with several fasteners 1422, facilitate active force on driving section 142 by fastener 1422, together
When, driving section 142 is more steady in rotary motion.
Although the foregoing describing specific embodiment of the present utility model, it will be appreciated by those of skill in the art that
This is merely illustrative of, and the scope of protection of the utility model is defined by the appended claims.Those skilled in the art
On the premise of without departing substantially from principle of the present utility model and essence, various changes or modifications can be made to these embodiments,
But these changes and modification each fall within the scope of protection of the utility model.
Claims (6)
1. a kind of automobile door lock mechanism, it includes a worm screw, a worm gear, it is characterised in that the worm screw includes to be connected successively
A guide-localization axle, a rack, a polished rod, the drive block connect, the outer surface of the rack are provided with displacement involute teeth
Wheel, the excircle of the worm gear are provided with helical gear, and the transverse tooth thickness ratio of the helical gear and the displacement involute gear is more than 2, institute
Guide-localization axle and the drive block is stated to set along the axisymmetrical of the worm screw, and the guide-localization axle and the transmission
The centre of gyration line of block is on the axis of the worm screw.
2. automobile door lock mechanism as claimed in claim 1, it is characterised in that the drive block is provided with a connecting portion, a transmission
Portion, one end of the connecting portion are connected to the polished rod, and the cross section of the connecting portion is more than the cross section of the polished rod, described
The other end of connecting portion is connected to the driving section.
3. automobile door lock mechanism as claimed in claim 2, it is characterised in that the middle part of the driving section is provided with positioning piece,
The surrounding of the keeper is arranged with several fasteners.
4. automobile door lock mechanism as claimed in claim 1, it is characterised in that the guide-localization axle, the rack, described
It is integrally formed between polished rod, the drive block.
5. automobile door lock mechanism as claimed in claim 1, it is characterised in that the helical gear and the displacement involute gear
Without tooth height.
6. automobile door lock mechanism as claimed in claim 1, it is characterised in that the helical gear outer surface is provided with polytetrafluoroethyl-ne
Ene coatings, molybdenum disulfide coating or equadag coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720260231.5U CN206667990U (en) | 2017-03-17 | 2017-03-17 | Automobile door lock mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720260231.5U CN206667990U (en) | 2017-03-17 | 2017-03-17 | Automobile door lock mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206667990U true CN206667990U (en) | 2017-11-24 |
Family
ID=60376744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720260231.5U Active CN206667990U (en) | 2017-03-17 | 2017-03-17 | Automobile door lock mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206667990U (en) |
-
2017
- 2017-03-17 CN CN201720260231.5U patent/CN206667990U/en active Active
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Legal Events
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |