CN209366092U - A kind of band sense lockable mechanism - Google Patents
A kind of band sense lockable mechanism Download PDFInfo
- Publication number
- CN209366092U CN209366092U CN201821833060.1U CN201821833060U CN209366092U CN 209366092 U CN209366092 U CN 209366092U CN 201821833060 U CN201821833060 U CN 201821833060U CN 209366092 U CN209366092 U CN 209366092U
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- Prior art keywords
- crevis
- band sense
- sense
- ratchet
- band
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- 230000007246 mechanism Effects 0.000 title claims abstract description 29
- 125000006850 spacer group Chemical group 0.000 claims abstract description 8
- 239000007787 solid Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 6
- 230000001133 acceleration Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 208000020442 loss of weight Diseases 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 206010044565 Tremor Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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Abstract
The utility model provides a kind of band sense lockable mechanism, including ratchet slot, is arranged on the mounting plate of belt reel U-shaped frame locking side, and a circle locking ratchet is arranged thereon；Latch ratchet, is mounted on the axis of belt reel locking surface, is evenly arranged with multiple band sense crevis components thereon；Sensitive side cover, is fixedly mounted with belt reel U-shaped frame locking side mounting plate, and inner ring is provided with ratchet.Wherein, band sense crevis component includes: band sense crevis, and inner end is mounted on latch ratchet by fixed pin, and latch ratchet edge is stretched out in outer end, and the ratchet covered with sensitive side is close；Band sense spring, one end are connect with the positive middle section with sense crevis, and the other end is mounted in band sense spring fixing pin, and under free state, band sense spring is in tension state；Band sense crevis spacer pin, is mounted on the back side with sense crevis, is defined to the rotation with sense crevis.
Description
Technical field
The utility model belongs to safety belt locking technical field, and in particular to a kind of band sense lockable mechanism.
Background technique
Occupant and steering wheel, instrument when car belt is in order to which occupant is constrained and avoided collision in collision
Plate etc. occurs secondary collision or goes out outside vehicle the safety device for leading to occupant's casualties when avoiding collision.In order to realize above-mentioned protection mesh
, it is desirable that car crass occur when, safety belt can timely locking, occupant is tightly tied up on the seat, occupant's body is prevented
Bench over, thus the safety of effective protection member.Therefore, laws and regulations requirement, after the acceleration that ribbon pulls out reaches a certain range,
The necessary locking of safety belt, this function are referred to as ' safety belt sense ' function.
Fig. 1 is a band sense lockable mechanism of current mainstream, and latch ratchet 1 is mounted on the installation axle 2 of belt reel locking side
On, belt reel is mounted in U-shaped frame 3, is provided with lock groove on the U-shaped frame locking side mounting plate 4, lock groove inner ring is provided with lock
Only ratchet 5.After quickly pulling out ribbon, latch ratchet 1 compresses band sense spring 6 mounted thereto, locking spine because of inertia
Wheel 1 is felt 6 reaction force of spring by band, and movement is later than belt reel, and the crevis 7 and belt reel being assemblied on latch ratchet 1 produce
It gives birth to dislocation and is locked on U-shaped frame locking ratchet 5, to realize safety belt entirety locking.Since this lockable mechanism is limited to lock
Only ratchet/with sense these parts of spring/belt reel/crevis frictional force between any two, spring force value, the weight of ratchet,
The factors such as the rotary inertia of ratchet, the impacted factor of sensitivity with sense are more.
Another money is felt compared with the band sense lockable mechanism of mainstream as shown in Fig. 2, being provided with band as described in Fig. 2 (a), on latch ratchet
Spring 7 and inertia disk 8.When automobile collides, band sense spring 7 compresses inertia disk 8, and inertia disk 8 is driven to be locked at Fig. 2 (b)
On the ratchet 91 of the coiler side cover 9 and by safety belt locking.But the individual difference of this kind of locking structure is larger, it is former
Because being, after the relative position of inertia disk and coiler entirety changes, due to the presence of gravity, cause suffered by inertia disk
Resultant direction it is different, the acceleration for causing starting band thoughts and feelings to send out is also different, this undoubtedly increases the shakiness of properties of product
It is qualitative.Meanwhile this structure needs inertia disk profile arrangement is bigger than normal, to be also unfavorable for safety belt whole while increasing cost
Body loss of weight reduces the arrangement space of other function part.
Utility model content
The utility model is to carry out in order to solve the above problem, provides a kind of novel band sense lockable mechanism.In order to
Realize above-mentioned purpose, the utility model provides following technical solution:
Band sense lockable mechanism provided by the utility model has following technical characteristic: including ratchet slot, being arranged in belt reel
On the mounting plate of U-shaped frame locking side, a circle locking ratchet is set thereon；Latch ratchet is mounted on the axis of belt reel locking surface,
On be evenly arranged with multiple band sense crevis components；Sensitive side cover is fixedly mounted with belt reel U-shaped frame locking side mounting plate,
Inner ring is provided with ratchet.
Wherein, band sense crevis component includes: band sense crevis, and inner end is mounted on latch ratchet by fixed pin
On, latch ratchet edge is stretched out in outer end, and the ratchet covered with sensitive side is close；With sense spring, one end and with sense crevis
Positive middle section connection, the other end is mounted in band sense spring fixing pin, and under free state, band sense spring is in tension shape
State；Band sense crevis spacer pin, is mounted on the back side with sense crevis, limits the rotation with sense crevis
It is fixed.
Preferably, in band sense lockable mechanism provided by the utility model, totally three groups of crevis component, this three groups of band sense
Band sense crevis component setting in equilateral triangle on latch ratchet.
Preferably, in band sense lockable mechanism provided by the utility model, band sense crevis is in curved month type.
Preferably, in band sense lockable mechanism provided by the utility model, fixed pin and locking spine with sense crevis
It is interference fitted between wheel for hole axle, band sense spring fixing pin is fixedly mounted on latch ratchet.
Preferably, in band sense lockable mechanism provided by the utility model, under normal condition, the outer end with sense crevis
Between two ratchets that sensitive side covers.
Preferably, in band sense lockable mechanism provided by the utility model, band sense spring is cylindrical spring or bending-type bullet
Spring.
The action and effect of utility model
According to band sense lockable mechanism provided by the utility model, due to being evenly arranged with multiple band sense lockings on latch ratchet
Pawl assembly, and each band sense crevis component includes band sense crevis, fixed pin, band sense spring, band sense locking spine
Pawl spacer pin, after the acceleration that ribbon is quickly pulled out reaches a threshold value, band sense crevis under the action of the centrifugal force, is put
It is de- to be locked on the ratchet of sensitive side cover with the constraint of sense spring, so that latch ratchet stops operating, dislocation is generated with belt reel
And lock on the ratchet of the U-shaped frame of belt reel, finally realize safety belt locking.During entire locking, band sense crevis
Spacer pin plays the role of limiting to be rotated with crossing for sense crevis, and leads to side set locking.
Therefore, on the one hand the utility model eliminates the crevis in Fig. 1, and increases on the benchmark of remaining structure
Three structures simply band sense pawl, improves the structure with sense spring, directly drives band sense pawl by spring and realizes locking function
Can, it simplifies the structure of original machine structure and reduces part manufacturing precision；On the other hand, the band sense locking spine in the utility model
Pawl quality is much smaller than current inertia disk, heavy after the relative position with sense crevis and coiler entirety changes
Power influence is almost negligible to be disregarded, so that mechanism is integrally more stable, has also achieved the purpose that drop this and loss of weight.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of a band sense lockable mechanism commonly used in the prior art；
Fig. 2 is that another money is common with the structural schematic diagram for feeling lockable mechanism in the prior art, wherein (a) is locking spine
The structural schematic diagram of wheel is (b) structural schematic diagram of coiler side cover；
Fig. 3 is the structural schematic diagram with sense lockable mechanism in the utility model embodiment；
Fig. 4 is that a type of band sense spring is illustrated with the mounting structure with sense latch ratchet in the utility model embodiment
Figure；
Fig. 5 is that another type of band sense spring shows with the mounting structure with sense latch ratchet in the utility model embodiment
It is intended to.
Specific embodiment
The utility model is described in detail below with reference to embodiment and attached drawing.But the following example should not be regarded as to this
The limitation of utility model range.
Fig. 3 is the structural schematic diagram with sense lockable mechanism in the utility model embodiment.
As shown in figure 3, with sense lockable mechanism 10 include ratchet slot, latch ratchet 11, band sense crevis component 12 and
Sensitive side cover 13.
The ratchet slot on the mounting plate of belt reel U-shaped frame locking side is arranged in ratchet slot, and a circle locking ratchet is arranged thereon；Lock
Only ratchet 11 is mounted in the installation axle of belt reel locking side, is evenly arranged with three groups of band sense crevis components 12 thereon, should
Three groups of 12 settings in equilateral triangle on latch ratchet of band sense crevis group；Sensitive side cover 13 and the U-shaped frame locking of belt reel
Side mounting plate is fixedly mounted, and inner ring is provided with ratchet.
The structure of three groups of band sense crevis components 12 is identical, includes band sense crevis 121, fixed pin 122, band sense
Spring 123, band feel spring fixing pin 124 and with sense crevis spacer pins 125.
Approximate band sense crevis 121 is in curved month type, and inner end is mounted on latch ratchet 11 by fixed pin 122, outer end
11 edge of latch ratchet is stretched out, under normal condition, which is located between two ratchets on sensitive side cover 13.Fixed pin 122
It is interference fitted between latch ratchet 11 for hole axle.
It is connect with sense 123 one end of spring with the positive middle section with sense crevis 121, the other end is mounted on band sense bullet
On spring fixed pin 124, under free state, band sense spring 123 is in tension state.In the present embodiment, the shape with sense spring 123
Formula can be cylindrical spring shown in Fig. 4, be also possible to bending-type spring shown in Fig. 5.Band sense spring fixing pin 124 is solid
Dingan County is on latch ratchet 11.
It is fixedly mounted on the back side with sense crevis 121 with sense crevis spacer pin 125, crevis is felt to band
Rotation be defined, the case where anti-stop-band sense crevis 121 crosses rotation and leads to side set locking generation.
The locking mode with sense lockable mechanism in the present embodiment is as follows: when the acceleration that ribbon is quickly pulled out reaches one
After threshold value, band sense crevis under the action of the centrifugal force, gets rid of with the constraint of sense spring and is locked on the ratchet of sensitive side cover,
So that latch ratchet stops operating, dislocation is generated with belt reel and is lockked on the ratchet of the U-shaped frame of belt reel, final realization is safe
Locking.It during entire locking, plays to limit rotating with sense crevis spacer pin with crossing for sense crevis, and causes
The effect of side set locking.
Therefore, on the one hand the present embodiment eliminates crevis in the prior art, and increases on the benchmark of remaining structure
Three structures simply band sense pawl is added, has improved the structure with sense spring, band sense pawl is directly driven by spring and realizes lock
Only function simplifies the structure of original machine structure and reduces part manufacturing precision；On the other hand, the band sense lock in the utility model
Only pawl quality is much smaller than current inertia disk, after the relative position with sense crevis and coiler entirety changes,
The influence of its gravity is almost negligible to be disregarded, so that mechanism is integrally more stable, has also achieved the purpose that drop this and loss of weight.
Basic principles, main features, and advantages of the present invention has been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, the utility model can also on the premise of not departing from the spirit and scope of the utility model
There are various changes and modifications, these various changes and improvements fall within the scope of the claimed invention.The utility model is wanted
Protection scope is asked to be defined by appended claims and its equivalent.
Claims (6)
1. a kind of band sense lockable mechanism comprising:
Ratchet slot is arranged on the mounting plate of belt reel U-shaped frame locking side, and a circle locking ratchet is arranged thereon；
Latch ratchet, is mounted on the axis of belt reel locking surface, is evenly arranged with multiple band sense crevis components thereon；
Sensitive side cover is fixedly mounted with the belt reel U-shaped frame locking side mounting plate, and inner ring is provided with ratchet,
Wherein, the band sense crevis component includes:
Band sense crevis, inner end are mounted on the latch ratchet by fixed pin, and the latch ratchet edge is stretched out in outer end,
The ratchet covered with the sensitive side is close；
Band sense spring, one end are connect with the positive middle section of the band sense crevis, and it is solid that the other end is mounted on band sense spring
In rationed marketing, under free state, band sense spring is in tension state；
Band sense crevis spacer pin, is mounted on the back side of the band sense crevis, turns to the band sense crevis
It is dynamic to be defined.
2. band sense lockable mechanism according to claim 1, it is characterised in that:
Wherein, totally three groups of the band sense crevis component, three groups of band sense crevis components are on the latch ratchet
Equilateral triangle setting.
3. band sense lockable mechanism according to claim 1, it is characterised in that:
Wherein, the band sense crevis is in curved month type.
4. band sense lockable mechanism according to claim 1, it is characterised in that:
Wherein, it is interference fitted between the fixed pin and the latch ratchet of the band sense crevis for hole axle, the band sense bullet
Spring fixed pin is fixedly mounted on the latch ratchet.
5. band sense lockable mechanism according to claim 1, it is characterised in that:
Wherein, under normal condition, the outer end of the band sense crevis is located between two ratchets that the sensitive side covers.
6. band sense lockable mechanism according to claim 1, it is characterised in that:
Wherein, the band sense spring is cylindrical spring or bending-type spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821833060.1U CN209366092U (en) | 2018-11-08 | 2018-11-08 | A kind of band sense lockable mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821833060.1U CN209366092U (en) | 2018-11-08 | 2018-11-08 | A kind of band sense lockable mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209366092U true CN209366092U (en) | 2019-09-10 |
Family
ID=67836281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821833060.1U Expired - Fee Related CN209366092U (en) | 2018-11-08 | 2018-11-08 | A kind of band sense lockable mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209366092U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111111030A (en) * | 2020-01-17 | 2020-05-08 | 浙江冰峰户外用品有限公司 | Falling stopping device for rope |
-
2018
- 2018-11-08 CN CN201821833060.1U patent/CN209366092U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111111030A (en) * | 2020-01-17 | 2020-05-08 | 浙江冰峰户外用品有限公司 | Falling stopping device for rope |
| CN111111030B (en) * | 2020-01-17 | 2024-03-26 | 浙江冰峰户外用品有限公司 | Anti-falling device for rope |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201814 Shanghai city Anting town Jiading District Bai'an Road No. 188 Patentee after: ZF Automotive Systems (Shanghai) Co.,Ltd. Address before: 201814 Shanghai city Anting town Jiading District Bai'an Road No. 188 Patentee before: TRW AUTOMOTIVE COMPONENTS (SHANGHAI) Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190910 |