Background technique
With being gradually increased for living standard, automobile has been the daily walking-replacing tool of people, and car experience has been to need at present
The greatest problem of raising, family-sized car are needing firmly to drive door lock at closing time, not only have damage to vehicle, but also collision noise is given
People brings discomfort.Many people are also reluctant to see that love vehicle car door is fallen, therefore research staff devises electronic actuation door lock.
Existing electronic actuation door lock is driven by motor drag-line band moveable lock hook locking, has carried out convenience again to door-closing operation.So
And there is also following disadvantages for existing electronic actuation door lock:
1, the shortcomings that drag-line and latch hook use standard circular hole fit structure: circular hole cooperates, and limits drag-line freedom degree, drag-line
Only around the freedom degree of circular hole rotation, drag-line can not avoid when bouncing back, be easily bent or even fracture head.
2, drag-line is bent the shortcomings that there is no limit directions: when drag-line expanding-contracting action, any direction bending or bending degree
It is different, it is easy to damage drag-line, influences the drag-line service life.
3, the way of contact of drag-line and latch hook connected circular hole is metal face contact, disadvantage: phase between Cable head and latch hook
Movement metal face contact is prone to wear, and is also easy to produce friction noise.
Thus the prior art could be improved and improve.
Summary of the invention
Place in view of above-mentioned deficiencies of the prior art inhales door the purpose of the present invention is to provide a kind of automobile electricity and electricity inhales door
The latch hook device of lock also improves the service life of drag-line, ensure that the reliability of door lock while realizing automatic door-closing.
In order to solve the above technical problems, this invention takes following technical schemes:
A kind of automobile electricity inhales the latch hook device of door lock, and the latch hook device is set to automobile electricity and inhales on the lock body of door lock, packet
Latch hook, traction cable, shaft and the limited block for controlling traction cable bending direction and bending degree are included, the latch hook passes through
Shaft is rotatably set in lock body, and long slot hole is provided on the latch hook, and one end of the traction cable is slideably positioned in
In long slot hole, the limited block is set on lock body, positioned at the side of the traction cable.
The automobile electricity is inhaled in the latch hook device of door lock, and the latch hook is metal component, the inner wall of the long slot hole and
Plastic protection layer is provided on the outside of latch hook.
The automobile electricity is inhaled in the latch hook device of door lock, and the traction cable includes drag-line, driving motor and Cable head,
One end of the drag-line connects driving motor, and the other end of drag-line connects Cable head, and the Cable head is set in long slot hole, edge
The length direction of the long slot hole slides.
The automobile electricity inhales the latch hook device of door lock, further includes locking button and locking button reset spring, the locking button
It is set on lock body, and is rotatably assorted with latch hook, the locking button reset spring is connect with locking button.
The automobile electricity is inhaled in the latch hook device of door lock, and the latch hook being additionally provided on the latch hook for resetting it is multiple
Position spring.
The automobile electricity is inhaled in the latch hook device of door lock, and the long slot hole is slotted hole.
The automobile electricity is inhaled in the latch hook device of door lock, and the detection dress for detecting its locking state is also set up on the latch hook
It sets.
The automobile electricity is inhaled in the latch hook device of door lock, and the detection device is Hall sensor.
A kind of automobile electricity suction door, including automotive door, further including the automobile electricity suction door lock as described in above-mentioned any one
Latch hook device, the latch hook device that the automobile electricity inhales door lock are installed on automotive door.
Compared to the prior art, automobile electricity provided by the invention inhales door and electricity inhales the latch hook device of door lock, passes through the lock
Long slot hole in hook device on latch hook has one section of idle stroke, and then keeps traction cable inverse in latch hook when rotating counterclockwise latch hook
When hour hands rotate, traction cable is slight bending or is not bent, and to reduce the bending fatigue strength of traction cable, improves dress
The service life set and reliability.Further, limited block is set near the movement locus for drawing component group, to control drag-line group
The direction of part flexion and bending degree generally significantly improve the service life of drag-line in this way, improve door lock reliability.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
It should be noted that it can when component is referred to as on " being installed in ", " being fixed on " or " being set to " another component
Directly on the other part or may be simultaneously present component placed in the middle.When a component be known as " being connected to " another
Component, it can be directly to another component or may be simultaneously present component placed in the middle.
It is only relative concept each other it should also be noted that, the positional terms such as left and right, upper and lower in the embodiment of the present invention
It or is to refer to, and should not be regarded as restrictive with the normal operating condition of product.
Fig. 1, Fig. 2 and Fig. 3 are please referred to, automobile electricity provided in an embodiment of the present invention inhales the latch hook device of door lock, the latch hook
Device (not marking in figure) is set to automobile electricity and inhales on the lock body 1 of door lock, including latch hook 2, traction cable 3, shaft 4 and for controlling
The limited block 5 of 3 bending direction of traction cable and bending degree processed, the latch hook 2 are rotatably set to lock body 1 by shaft 4
In, long slot hole 21 is provided on the latch hook 2, one end of the traction cable 3 is slideably positioned in long slot hole 21, by described
Traction cable 3 can be rotated with moveable lock hook 2, in rotation, cooperate the long slot hole 21, when rotating counterclockwise latch hook 2
There is one section of idle stroke, and then make traction cable 3 when latch hook 2 rotates counterclockwise, traction cable 3 is slight bending or not curved
Song improves service life and the reliability of latch hook device to reduce the bending fatigue strength of traction cable 3.Specifically, the long slot hole
21 be slotted hole, makes the sliding that one end of traction cable 3 is smooth along the rotary motion trace of latch hook 2.
Further, the limited block 5 is set on lock body 1, positioned at the side of the traction cable 3, and the present invention passes through
The limited block 5 is set near 3 movement locus of traction cable, can control the direction of 3 flexion of traction cable and curved
Qu Chengdu.
Referring to Figure 4 together, Fig. 5 and Fig. 6, the traction cable 3 include drag-line 31, driving motor 32 and Cable head 33,
One end of the drag-line 31 connects driving motor 32, and the other end of drag-line 31 connects Cable head 33, and the Cable head 33 is set to
In long slot hole 21, the length direction along the long slot hole 21 is slided.When practical operation, the driving motor 32 drive drag-line 31 to
Left side shown in Fig. 4 pulls, and since the Cable head 33 is connected to latch hook 2, and is close to the left end of the long slot hole 21 of latch hook 2,
And then 4 rotated counterclockwise around the shaft with moveable lock hook 2, latch hook device can be made to realize locking functions in this way.
When car door lock is in door opening state, as shown in figure 4, the Cable head 33 is in the leftmost side of long slot hole 21;If
It closes the door manually when artificial at this time, as shown in figure 5, the latch hook 2 can rotate counterclockwise, drag-line 31 is kept essentially stationary at this time, is drawn
Rope head 33 can be slided in the long slot hole 21 of latch hook 2 along long slot hole 21, and under the action of limited block 5, drag-line 31 is
Slight bending;When car door the more closes the more tight, as shown in fig. 6, the latch hook 2 rotates counterclockwise to locking-in state, latch hook 2 is being rotated
During, drag-line 31 also has upward curved trend, and can effectively limit the change that drag-line 31 is bent upwards by limited block 5
Shape amount, making drag-line 31 is not in obvious bending, generally significantly improves the service life of drag-line 31 in this way, improves door lock reliability.
In the present embodiment, the latch hook 2 is metal component, and the inner wall of the long slot hole 21 and the outside of latch hook 2 are respectively provided with
There is plastic protection layer, make latch hook 2 while proof strength, also reduces the abrasion with other parts.Specifically, the drag-line
First 33 be metal component, and Cable head 33 is contacted with the plastic protection layer of 21 inner wall of long slot hole, substantially reduced between component
Abrasion.
Please continue to refer to Fig. 1, the automobile electricity inhales the latch hook device of door lock, further includes that locking button 6 and locking button reset
Spring (not shown), the locking button 6 are set on lock body 1, and are rotatably assorted with latch hook 2, and the locking button resets bullet
Spring is connect with locking button 6.Further, be additionally provided on the latch hook 2 for make its reset latch hook reset spring (in figure not
It shows).By the cooperation of the locking button 6 and latch hook 2, in the case where so that car door is in locking-in state, when car door needs to open
When, reset locking button 6 by the locking button reset spring, while also reset latch hook 2 by the latch hook reset spring,
Car door is set to be in unlocking condition.
Further, the detection device 7 for detecting its locking state is also set up on the latch hook 2, specifically, the detection
Device 7 is Hall sensor.The turned position of latch hook 2 is detected by the Hall sensor, to trigger motor, and then controls lock
Hook 2 is rotated, and car door is made to realize unlocking or blocking function.
Inhale the latch hook device of door lock based on above-mentioned automobile electricity, the present invention correspondingly provides a kind of automobile electricity and inhales door (in figure
It is not shown), the latch hook device of door lock is inhaled including automotive door (not shown) and automobile electricity, the automobile electricity inhales the lock of door lock
Hook device is installed on automotive door.Since the latch hook device being described in detail above, details are not described herein again.
In conclusion automobile electricity provided by the invention inhales door and electricity inhales the latch hook device of door lock, the latch hook device setting
In on the lock body that automobile electricity inhales door lock, including latch hook, traction cable, shaft and for controlling traction cable bending direction and bending
The limited block of degree, the latch hook are rotatably set in lock body by shaft, and long slot hole is provided on the latch hook, described
One end of traction cable is slideably positioned in long slot hole, and the limited block is set on lock body, positioned at the one of the traction cable
Side.Latch hook can be pulled to be rotated by the traction cable, while cooperate the long slot hole, when rotating counterclockwise latch hook
There is one section of idle stroke, and then makes traction cable when latch hook rotates counterclockwise, traction cable is slight bending or is not bent,
To reduce the bending fatigue strength of traction cable, service life and the reliability of device are improved.Further, the limited block is set
It is placed near traction cable movement locus, can control direction and the bending degree of traction cable flexion, so generally
The service life of drag-line is significantly improved, door lock reliability is improved.
Further, the latch hook is metal component, is provided with plastic cement on the outside of the inner wall and latch hook of the long slot hole
Protective layer makes latch hook while proof strength, also reduces the abrasion with other parts.Specifically, the Cable head is gold
Metal elements, Cable head are contacted with the plastic protection layer of long slot hole inner wall, substantially reduce the abrasion between component.
The configuration of the present invention is simple, manufacture easy to process, is effectively controlled production cost, is suitble to be widely popularized.
It, can according to the technique and scheme of the present invention and its hair it is understood that for those of ordinary skills
Bright design is subject to equivalent substitution or change, and all these changes or replacement all should belong to the guarantor of appended claims of the invention
Protect range.