CN209191884U - An a kind of key tripper - Google Patents
An a kind of key tripper Download PDFInfo
- Publication number
- CN209191884U CN209191884U CN201822137444.6U CN201822137444U CN209191884U CN 209191884 U CN209191884 U CN 209191884U CN 201822137444 U CN201822137444 U CN 201822137444U CN 209191884 U CN209191884 U CN 209191884U
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- CN
- China
- Prior art keywords
- tripper
- steel ball
- sliding block
- shell
- fixed plate
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- 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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- Automotive Seat Belt Assembly (AREA)
Abstract
The utility model relates to an a kind of key tripper, the lock of safety belt is connected by fixed plate with the tripper, has fixation hole in the fixed plate；The tripper includes shell, steel ball, sliding rail, stepper motor and sliding block；The sliding rail is fixed in the shell, has lower Positioning holes on the sliding rail, and the steel ball is placed in the lower Positioning holes；The sliding block is arranged in the sliding rail, and the sliding block intermediate groove has wedge structure, and the steel ball bottom and the wedge face of the wedge structure are tangent；The stepper motor is connected with the sliding block, drives sliding block linear reciprocating motion in the sliding rail；There is jack, the fixed plate is inserted into the shell by the jack on the shell；The steel ball moves up and down in the case where the wedge face acts on, and falls into or be detached from the fixation hole, realizes locking or unlock to the fixed plate.The utility model can a key unlock vehicle on all safety belts, improve the safety of vehicle.
Description
Technical field
The utility model relates to a kind of escape devices reliable in an emergency situation, and in particular to a kind of key unlock dress
It sets.
Background technique
The seat of bus such as school bus multiplies safety always and is the great research topic in field of automobile safety.Bus
More with load person, car body is big, the feature of tonnage weight, once severe traffic accidents occur, such as without effective escape system, Shi Bizao
At serious casualty rate.
According to statistics, the 1.5% of the total death toll of death toll Zhan that China occurs by traffic accident, wherein because of public vapour
Death rate accounting caused by vehicle accident is maximum.This data is 4 to 8 times of developed country.
When severe traffic accidents occur for bus, passenger is fled from as can the constraint of disengaging safety belt in time
Danger zone waits for rescue, and must can be reduced casualty rate, and the seat for improving bus multiplies safety.But occur in dangerous situation
When, seat multiplies personnel in case of emergency for life instinct, is often in flurried or loses state of consciousness, can not accomplish actively
Safety belt is unlocked, or manpower can not unlock safety belt when injury, lose the best opportunity of escape, lead to serious casualty rate.
Utility model content
For the disadvantage for solving existing safety belt unlocking function deficiency when vehicle occurs urgent unexpected, the utility model is provided
An a kind of key tripper need to only start control button when danger occurs, and the safety belt that all seats multiply personnel loosens automatically,
Increase escape chance, so that seat is multiplied personnel and flee danger region in time, substantially improve the safety of vehicle.
The specific technical solution of the utility model is as follows:
An a kind of key tripper, which is characterized in that the lock of safety belt is connected by fixed plate with the tripper,
There is fixation hole in the fixed plate；The tripper includes shell, steel ball, sliding rail, stepper motor and sliding block；
The sliding rail is fixed in the shell, has lower Positioning holes on the sliding rail, the steel ball is placed in described lower fixed
In the hole of position；
The sliding block is arranged in the sliding rail, and the sliding block intermediate groove has a wedge structure, the steel ball bottom with
The wedge face of the wedge structure is tangent；The stepper motor is connected with the sliding block, drives the sliding block in the sliding rail
Linear reciprocating motion；
There is jack, the fixed plate is inserted into the shell by the jack on the shell；The steel ball is described
The effect of wedge face is lower to move up and down, and falls into or is detached from the fixation hole, realize locking or unlock to the fixed plate.
Preferably, the tripper further includes positioning bead, and the positioning bead is mounted in the shell, is located at the steel
Above ball, and the steel ball point contact, while the positioning bead squeezes the steel ball.
Preferably, also there is upper location hole on the shell；The upper location hole is located at right above the lower Positioning holes；Institute
Positioning bead is stated to be fitted in the shell by the upper positioning.
Preferably, the spacing between the jack and the upper location hole and the fixed plate thickness and the positioning bead are advised
Lattice match, and the positioning bead can be with the predetermined pressing force extruding steel ball when being inserted into for the fixed plate of being subject to.
Preferably, the tripper further includes nut, and the nut is socketed on the screw rod of the stepper motor, described
Stepper motor is connected by the nut with the sliding block.
Preferably, the tilt angle in the wedge face is 10 °~20 °.
Preferably, the sliding block two sides are symmetrically arranged with threaded hole, and the sliding rail two sides are symmetrically arranged with sliding slot, and pin passes through institute
It states sliding slot to fix with the threaded hole, when the sliding block slides, the pin slides in the sliding slot.
Preferably, the tripper further includes electric machine support, and the sliding rail passes through the electric machine support and the stepping
Motor is fixedly linked.
Preferably, the tripper further includes unblock button, the stepper motor in multiple trippers point
It is not connected with the unblock button, the unblock button being capable of all stepper motors of one-key start.
Preferably, the shell includes upper casing and lower casing, and the upper casing is fastened on the lower casing.
The utility model has the beneficial effects that
The utility model is simple in sturcture, ingenious in design, securely and reliably, using simple, when danger occurs, passes through a key solution
Safety belt is locked, passenger is helped smoothly to be detached from safety belt when urgent, increases escape chance, substantially improves the safety of vehicle
Property, while the coupling mechanism force of the utility model is big, is swift in response.
Detailed description of the invention
Fig. 1 is safety belt lock catch and fixed plate schematic diagram；
Fig. 2 is one key tripper Structure explosion diagram of the utility model；
Fig. 3 is one key tripper structure sectional view of the utility model.
Wherein: 1- safety belt lock catch, 2- nylon tape, 3- fixed plate, 3.1- fixation hole, 4- upper casing, 4.1- jack, on 4.2-
Location hole, 5- positioning bead, 6-steel balls, 7- sliding rail, 7.1- lower Positioning holes, 7.2- sliding slot, 8-nuts, 9- electric machine support, 10- stepping
Motor, 11- sliding block, 12- lower casing.
Specific embodiment
In order to make those skilled in the art more fully understand the technical solution of the application, below with reference to specific embodiment
The utility model is described in further details with attached drawing.
The positional terms such as the upper, lower, left, right, front and rear in present specification be positional relationship based on the figure and
It establishes.Attached drawing is different, then corresponding positional relationship is also possible to change therewith, therefore cannot be interpreted as with this to protection model
The restriction enclosed.
In the utility model, term " installation ", " connected ", " connecting ", " connection ", " fixation " etc. be shall be understood in a broad sense, example
Such as, it may be a fixed connection, may be a detachable connection, be also possible to be integrally connected, be also possible to be mechanically connected, it can also
To be electrical connection or can be in communication with each other, it is also possible to be directly connected to, is also possible to be indirectly connected with by intermediary, can be
Connection inside two components, is also possible to the interaction relationship of two components.For the ordinary skill people of this field
For member, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
The present embodiment describes an a kind of key tripper, which can be realized the solution of all safety belts on vehicle
Lock, safety belt is usually made of lock and lock tongue on vehicle, as shown in Figure 1, lock includes safety belt lock catch 1, nylon tape 2 and solid
Fixed board 3, safety belt lock catch 1 are connected by nylon tape 2 with fixed plate 3, and the tripper of the present embodiment is fixed on the suitable of seat
Lock is fixed on seat by position, fixed plate 3 by being connected with tripper.Pass through unlock fixed plate 3 and tripper
The fixed unlock to realize safety belt.The tripper is suitable on public use vehicle, such as car, station wagon and school bus vehicle
?.
As shown in Figures 2 and 3, the tripper of the present embodiment include upper casing 4, positioning bead 5, steel ball 6, sliding rail 7, nut 8,
Electric machine support 9, stepper motor 10, sliding block 11 and lower casing 12.Upper casing 4 is fastened on lower casing 12, forms the shell of the tripper,
Positioning bead 5, steel ball 6, sliding rail 7, nut 8, electric machine support 9, stepper motor 10 and sliding block 11 are arranged in shell.
Upper casing 4 is equipped with jack 4.1, upper location hole 4.2 and multiple mounting holes.Fixed plate 3 is inserted into the unlock by jack 4.1
In device, upper casing 4 can add reinforcing rib at 4.1 position of jack, to guarantee the intensity of upper casing 4 at jack 4.1.Positioning bead 5 is logical
It crosses location hole 4.2 to be fitted in shell, when fixed plate 3 is inserted by jack 4.1, positioning bead 5 is pressed down against steel ball 6, makes steel
Ball 6 cannot skid off fixed plate 3 easily.Spacing and 3 thickness of fixed plate and positioning bead 5 between jack 4.1 and upper location hole 4.2 are advised
Lattice match, and positioning bead 5 can squeeze steel ball 6 with predetermined pressing force when fixed plate 3 of being subject to is inserted into.
Sliding rail 7 is arranged in shell, is located at 4 lower section of upper casing, and have locking channel, fixed plate between upper casing 4 and sliding rail 7
3, by entering the locking channel after the insertion of jack 4.1, are locked locking in locking channel.Sliding rail 7 is U-type groove structure, left and right two
End and bottom opening, one side end are fixedly linked by electric machine support 9 with stepper motor 10.Sliding rail 7 is equipped with lower Positioning holes
7.1, sliding slot 7.2 and multiple mounting holes.Lower Positioning holes 7.1 are located at immediately below upper location hole 4.2, and steel ball 6 is arranged in lower Positioning holes
In 7.1, two sliding slots 7.2 are symmetricly set on 7 two sides of sliding rail, and sliding rail 7 is fixedly linked by mounting hole with upper casing 4.Electric machine support 9
It is fixedly linked with sliding rail 7 by mounting hole and bolt.
The screw rod of stepper motor 10 passes through electric machine support 9 and extends to 7 lower section of sliding rail, and 8 screw thread of nut is socketed on screw rod.Sliding block
11 are arranged in sliding rail 7, are connect by screw with nut 8, and when 10 positive and negative rotation of stepper motor, sliding block 11 can drive in nut 8
Under it is reciprocating in sliding rail 7.
Wedge structure is equipped in 11 intermediate groove of sliding block, wedge structure is by downward close to 10 end of stepper motor in the present embodiment
Inclination, tilt angle can the setting of the clamping force size according to needed for fixed plate 3, it is preferably 10 °~20 °, used in the present embodiment to incline
Rake angle is 15 °, and steel ball 6 is placed in wedge structure, and 6 bottom of steel ball and wedge face keep tangent state, and steel ball 6 can be with sliding block
11 reciprocating movement is pumped in the case where wedge face is acted on by lower Positioning holes 7.1, realizes the locking to lock fixed plate 3
And unlock.When moving upwards with 5 point contact of positioning bead, positioning bead 5 is jacked up upwards, and enters the fixation hole 3.1 of fixed plate 3
Interior, steel ball 6 is locked plate 3 under positioning bead 5 and wedge face collective effect；When moving downward, positioning bead 5 is in reseting elasticity
Steel ball 6 is pushed down under effect, is accelerated steel ball 6 and is detached from fixation hole 3.1, unclamps fixed plate 3.11 two sides of sliding block are symmetrically arranged with screw thread
Hole, the sliding slot 7.2 that pin passes through 7 two sides of sliding rail are locked with threaded hole, and when sliding block 11 slides, pin is past in sliding slot 7.2
Multiple sliding, sliding slot can also limit the motion range of sliding block 11, anti-11 motion range mistake of limited slip block while support slipper 11
Greatly, the reaction time of the tripper is influenced.11 lower section left end of sliding block is equipped with mounting post, and sliding block 11 passes through mounting post and nut 8
Installation is fixed.
After fixed plate 3 is inserted into jack 4.1, stepper motor 10 is moved right by screw rod band movable slider 11, on steel ball 6
Shifting is fallen into the fixation hole 3.1 of fixed plate 3, is realized and is locked, safety belt is lockable, and can pass through the movement of 11 wedge structure of sliding block
Steel ball 6 is adjusted to the coupling mechanism force of fixed plate 3, after tested, coupling mechanism force is fully able to meet safety belt normal condition up to 11000N
Under use.Stepper motor 10 is moved to the left by screw rod band movable slider 11, and steel ball 6 is moved down to fall off in fixation hole 3.1, lock
Smoothly loosen tripper realize unlock, steel ball 65 power-assisted of positioning bead promotion under be detached from process it is rapid, after tested, can reduce to
0.7S multiplies personnel as far as possible for seat and strives for escape time.
After the tripper is installed on vehicle, stepper motor 10 all in vehicle can be connected into the unlock on console
Button, unblock button can arrange in groups, can also be concentrated use in a unblock button.In case of emergency, only need to press unlock by
Button, can all stepper motors 10 of one-key start, complete all safety belts of vehicle can release fixation, multiply personnel to sit and increase escape machine
Meeting.
Although the principles of the present invention are described in detail in the preferred embodiment above in conjunction with the utility model,
It should be appreciated by those skilled in the art that above-described embodiment is only the explanation to the exemplary implementation of the utility model, and
The non-restriction to the utility model scope.Details in embodiment does not constitute the limitation to the scope of the utility model,
Without departing substantially from the utility model spirit and scope in the case where, any equivalent transformation based on technical solutions of the utility model, letter
Single replacement etc. is obvious to be changed, and is all fallen within scope of protection of the utility model.
Claims (10)
1. an a kind of key tripper, which is characterized in that the lock of safety belt passes through fixed plate (3) and the tripper phase
Even, there are fixation hole (3.1) on the fixed plate (3)；The tripper includes shell, steel ball (6), sliding rail (7), stepping electricity
Machine (10) and sliding block (11)；
The sliding rail (7) is fixed in the shell, has lower Positioning holes (7.1) on the sliding rail (7), and the steel ball (6) is set
In the lower Positioning holes (7.1)；
In the sliding rail (7), sliding block (11) intermediate groove has wedge structure, the steel ball for sliding block (11) setting
(6) bottom and the wedge face of the wedge structure are tangent；The stepper motor (10) is connected with the sliding block (11), described in drive
Sliding block (11) is in the sliding rail (7) interior linear reciprocating motion；
There are jack (4.1) on the shell, the fixed plate (3) is inserted into the shell by the jack (4.1)；The steel
Ball (6) moves up and down in the case where the wedge face acts on, and falls into or is detached from the fixation hole (3.1), realizes to the fixed plate (3)
Locking or unlock.
2. key tripper according to claim 1, which is characterized in that the tripper further includes positioning bead (5),
The positioning bead (5) is mounted in the shell, is located above the steel ball (6), and the steel ball (6) point contact, while institute
It states positioning bead (5) and squeezes the steel ball (6).
3. key tripper according to claim 2, which is characterized in that also have upper location hole on the shell
(4.2)；The upper location hole (4.2) is located at right above the lower Positioning holes (7.1)；It is described fixed that the positioning bead (5) passes through
Position hole (4.2) is fitted in the shell.
4. key tripper according to claim 3, which is characterized in that the jack (4.1) and the upper location hole
(4.2) spacing between matches with the fixed plate (3) thickness and the positioning bead (5) specification, is inserted with the fixed plate (3)
The fashionable positioning bead (5) can be subject to predetermined pressing force and squeeze the steel ball (6).
5. key tripper according to claim 1, which is characterized in that the tripper further includes nut (8), institute
Nut (8) is stated to be socketed on the screw rod of the stepper motor (10), the stepper motor (10) by the nut (8) with it is described
Sliding block (11) is connected.
6. key tripper according to claim 1, which is characterized in that the tilt angle in the wedge face be 10 °~
20°。
7. key tripper according to claim 1, which is characterized in that sliding block (11) two sides are symmetrically arranged with screw thread
Hole, sliding rail (7) two sides are symmetrically arranged with sliding slot (7.2), and pin passes through the sliding slot (7.2) and fixes with the threaded hole, institute
When stating sliding block (11) sliding, pin sliding in the sliding slot (7.2).
8. key tripper according to claim 1, which is characterized in that the tripper further includes electric machine support
(9), the sliding rail (7) is fixedly linked by the electric machine support (9) with the stepper motor (10).
9. key tripper according to claim 1, which is characterized in that the tripper further includes unblock button,
The stepper motor (10) in multiple trippers is connected with the unblock button respectively, and the unblock button can one
Key starts all stepper motors (10).
10. key tripper according to claim 1, which is characterized in that the shell includes upper casing (4) and lower casing
(12), the upper casing (4) is fastened on the lower casing (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822137444.6U CN209191884U (en) | 2018-12-19 | 2018-12-19 | An a kind of key tripper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822137444.6U CN209191884U (en) | 2018-12-19 | 2018-12-19 | An a kind of key tripper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209191884U true CN209191884U (en) | 2019-08-02 |
Family
ID=67429879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822137444.6U Active CN209191884U (en) | 2018-12-19 | 2018-12-19 | An a kind of key tripper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209191884U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112537268A (en) * | 2020-12-29 | 2021-03-23 | 东风汽车集团有限公司 | Escape mechanism convenient for passengers to escape after vehicles fall into water |
-
2018
- 2018-12-19 CN CN201822137444.6U patent/CN209191884U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112537268A (en) * | 2020-12-29 | 2021-03-23 | 东风汽车集团有限公司 | Escape mechanism convenient for passengers to escape after vehicles fall into water |
| CN112537268B (en) * | 2020-12-29 | 2021-12-28 | 东风汽车集团有限公司 | Escape mechanism convenient for passengers to escape after vehicles fall into water |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |