CN209369538U - A kind of latch - Google Patents
A kind of latch Download PDFInfo
- Publication number
- CN209369538U CN209369538U CN201822058089.3U CN201822058089U CN209369538U CN 209369538 U CN209369538 U CN 209369538U CN 201822058089 U CN201822058089 U CN 201822058089U CN 209369538 U CN209369538 U CN 209369538U
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- China
- Prior art keywords
- shift fork
- snap
- gauge
- opening arms
- worm gear
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Abstract
The utility model relates to a kind of auto parts and components, in particular to a kind of latch.It include shell, the wiring board being set in the housing, the motor being connect with wiring board, the worm screw being connected to motor, the swing arm for connecting worm gear with worm screw and being connect with worm gear, it further include having manual lockable mechanism, self-priming blocking mechanism is equipped between the worm gear and shell, detection components are additionally provided in the shell, the detection components include rotation snap-gauge shift fork and rotation snap-gauge shift fork microswitch, the rotation snap-gauge shift fork is connected by self-priming blocking mechanism with worm gear, the shell is equipped with snap-gauge axis, the rotation snap-gauge shift fork is sheathed on snap-gauge axis in cam-like and rotation snap-gauge shift fork, the drive rod is equipped with torsional spring slot, the snap-gauge shift fork torsional spring that both ends are placed in torsional spring slot is arranged on the snap-gauge axis, the rotation snap-gauge shift fork microswitch is set on wiring board and in rotation snap-gauge shift fork On can with rotation snap-gauge shift fork contradict.
Description
Technical field
The utility model relates to a kind of auto parts and components, in particular to a kind of latch.
Background technique
Latch is the device that must be filled on automobile, and cooperation car door locking, general terms are exactly automobile door lock controller.It
It is that locking/unbalanced pulse electric current control device is provided for gate lock actuator.No matter which kind of gate lock actuator all passes through
Change executing agency's electrical current direction controlling connecting rod to move left and right, realizes locking and the unlatching of door lock.Without its arrangements for automotive doors
It fail to open normally closed or can not close normally opened!
Existing latch generally comprises shell, is set in the housing circuit board module is connect with circuit board module
Motor, the worm screw being connected to motor, the swing arm for connecting turbine with worm screw and being connect with turbine, above and below motor control swing arm
The unlocking or closing of weave control latch, the button connecting with circuit board module are arranged in driver position, and driver need to only press
Button realizes the switch of locking.
Car door sometimes will appear the state of half lock during lock, and when there is the state of this half lock, latch is not
Energy automatic absorbing is full lock, and therefore, our company designs a kind of latch with self-priming blocking function, still, this locking
In use, for discovery latch when half locks, people can not timely have found that the latch is to be in semi-locked state to device,
Therefore, the utility model on this basis, has made further improvement.
Summary of the invention
In order to overcome the shortcomings of background technique, the utility model, which provides one kind, to be had self-priming blocking function and can examine in time
Survey the lock state of latch.
The technical scheme adopted by the utility model is a kind of latch, includes shell, the route being set in the housing
Plate, the motor being connect with wiring board, the worm screw being connected to motor, the swing arm for connecting worm gear with worm screw and being connect with worm gear, it is described
Worm gear be equipped with torsional spring, further include having manual lockable mechanism, the manual lockable mechanism includes drive rod, lock core shift fork
And lock core shift fork torsional spring, the drive rod are set to housing bottom, the middle part of drive rod is equipped with strip groove, sets on the worm gear
There is the shifting block that is placed in and can slide in strip groove and in strip groove, the drive rod is equipped with tooth towards the bottom of swing arm other end
Item, the lock core shift fork are equipped with the grinding tooth being engaged with rack, and the lock core shift fork torsion spring set is set to lock core shift fork, special
Sign is: it is equipped with self-priming blocking mechanism between the worm gear and shell, is additionally provided with detection components in the shell, it is described
Detection components include that rotation snap-gauge shift fork and rotation snap-gauge shift fork microswitch, the rotation snap-gauge shift fork are closed by self-priming
Latch mechanism is connected with worm gear, and the shell is equipped with snap-gauge axis, and the rotation snap-gauge shift fork is in cam-like and rotation
Snap-gauge shift fork is sheathed on snap-gauge axis, and the drive rod is equipped with torsional spring slot, is arranged with both ends on the snap-gauge axis and is placed in
Snap-gauge shift fork torsional spring in torsional spring slot, the rotation snap-gauge shift fork microswitch are set on wiring board and dial in rotation snap-gauge
It can be contradicted with rotation snap-gauge shift fork on fork.
It preferably, further include having worm gear unlock microswitch, key unlock microswitch and resultant signal microswitch, it is described
Worm gear unlock microswitch be set to wiring board towards that can contradict on one end of worm gear and with worm gear, the drive rod is equipped with
One both ends are in the convex block on inclined-plane, and the key unlock microswitch is set to wiring board towards on the end face of drive rod and key
Unlock microswitch can be contradicted with the inclined-plane of convex block, the resultant signal microswitch on the wiring board and respectively with worm gear solution
It locks microswitch, key unlock microswitch and rotation snap-gauge shift fork microswitch to be electrically connected, the case top is equipped with
Jack, the jack is interior to be equipped with the connector pin connecting with wiring board.
Preferably, the self-priming blocking mechanism includes the first opening arms connecting with snap-gauge shift fork, is opened with first
Second opening arms of arm connection, the third opening arms being connect with the second opening arms and the 4th unlatching being connect with third opening arms
Arm, the 4th opening arms are connect with worm gear, and the housing bottom side is equipped with pedestal, are equipped with substrate, institute above pedestal
The first opening arms and the second opening arms stated are set between substrate and pedestal and the first opening arms and the second opening arms pass through respectively
Shaft is connect with pedestal and substrate, and shaft torsional spring is sheathed in the shaft, and the third opening arms pass through third shaft
It is connect with pedestal, third shaft is equipped with third shaft torsional spring, the end face that first opening arms are connect with the second opening arms
On set there are three latch, locked groove is formed between adjacent latch, second opening arms are equipped with and can be placed in locked groove
Convex block, the convex block and latch cooperate in inclined-plane, and substrate is equipped with outer opening arms, and the outer opening arms are set on second
In shaft in opening arms, the outer opening arms are equipped with mounting hole.
Preferably, the rotation snap-gauge shift fork bottom is connect by male arms with the first opening arms.
The beneficial effects of the utility model are: due to being provided with self-priming blocking mechanism, when latch is in the state of half lock
When, semi-locked state can be reached to the state of locking by self-priming blocking mechanism, improve the stability of latch, due to rotating snap-gauge
Shift fork is connect with self-priming blocking mechanism, and self-priming blocking mechanism is connect with worm gear, and either motor drives unlock or key band
It is dynamic to solve, the movement of self-priming blocking mechanism can be all driven, and rotating has a convex block at the top of snap-gauge shift fork, make to rotate snap-gauge group
Fork is in cam-like, and therefore, if it is motor or key when latching, latch does not lock completely, and latch is in unlocking shape
When state or semi-locked state, rotation snap-gauge shift fork is all contradicted with rotation snap-gauge shift fork microswitch, and at this moment, hull outside passes through socket
The signal lamp of connection can be shown, be indicated, latch, which is in unlocking or semi-locked state, people, can pass through manual self-priming blocking mechanism
Latch is locked, the stability of latch is improved.
The utility model embodiment is described further with reference to the accompanying drawing.
Detailed description of the invention
Fig. 1 is the front view of the utility model embodiment；
Fig. 2 is structure chart when rotation snap-gauge shift fork is locked entirely, half locks and unlock in the utility model embodiment；
Fig. 3 is the internal structure chart of the utility model embodiment；
Fig. 4 is the inside local structural graph of the utility model embodiment；
Fig. 5 is the inside local structural graph of the utility model embodiment；
Fig. 6 is the connector pin connection schematic diagram of the utility model embodiment；
The B that Fig. 7 is Fig. 1 in the utility model embodiment schemes to rotation.
Specific embodiment
As shown in Fig. 1-Fig. 7, the utility model provides a kind of latch with a variety of unlocking modes, include shell 1,
Wiring board 2 in shell 1, the worm screw 4 connecting with motor 3, with worm screw 4 connect worm gear 5 at the motor 3 connecting with wiring board 2
And the swing arm 6 connecting with worm gear 5, the worm gear 5 are equipped with torsional spring 51, further include having manual lockable mechanism 7, described is manual
Lockable mechanism 7 includes drive rod 71, lock core shift fork 72 and lock core shift fork torsional spring 73, and the drive rod 71 is set to 1 bottom of shell
Portion, the middle part of drive rod 71 are equipped with strip groove 72, and the worm gear 5, which is equipped with, to be placed in strip groove 74 and can be in strip groove 74
The shifting block 52 of sliding, the drive rod 71 are equipped with rack gear 75 towards the bottom of 6 other end of swing arm, 72 on the lock core shift fork
Equipped with the grinding tooth 76 engaged with rack gear 75, the lock core shift fork torsional spring 73 is sheathed on lock core shift fork 72, the worm gear 5 with
It is equipped with self-priming blocking mechanism 8 between shell 1, is additionally provided with detection components 9 in the shell 1, the detection components 9 include
It rotates snap-gauge shift fork 91 and rotation snap-gauge shift fork microswitch 92, the rotation snap-gauge shift fork 91 passes through self-priming blocking mechanism 8
It is connected with worm gear 5, the shell 1 is equipped with snap-gauge axis 93, and the rotation snap-gauge shift fork 91 is in cam-like and rotation
Snap-gauge shift fork 91 is sheathed on snap-gauge axis 93, and the drive rod 71 is equipped with torsional spring slot, is arranged on the snap-gauge axis 93
Both ends are placed in the snap-gauge shift fork torsional spring 94 in torsional spring slot, and the rotation snap-gauge shift fork microswitch 92 is set on wiring board 2 simultaneously
It can be contradicted with rotation snap-gauge shift fork 91 on rotation snap-gauge shift fork 91.In above scheme, due to being provided with self-priming breech-block
Semi-locked state can be reached the state of locking by self-priming blocking mechanism 8, improved by structure 8 when latch is in the state of half lock
The stability of latch, since rotation snap-gauge shift fork 91 is connect with self-priming blocking mechanism 8, and self-priming blocking mechanism 8 and worm gear 5
Connection, either motor drive unlock or key to drive and solve, and can all drive the movement of self-priming blocking mechanism 8, and rotate snap-gauge
One convex block is arranged at the top of shift fork 91, makes to rotate snap-gauge shift fork to be in cam-like, therefore, if it is motor or key when latching,
Latch does not lock completely, when latch is in unlocking condition or semi-locked state, rotation snap-gauge shift fork 91 all with rotation snap-gauge
Shift fork microswitch contradicts 92, and at this moment, hull outside can be shown by the signal lamp of pin connection in socket, indicates, latch
Latch can be locked by manual self-priming blocking mechanism 8 in unlocking or semi-locked state, people, improve the stabilization of latch
Property.
It further include having worm gear unlock microswitch 95, key unlock microswitch 96 and resultant signal micro- in the utility model
Dynamic switch 97, the worm gear unlock microswitch 95 set on wiring board 2 towards can contradict on one end of worm gear 5 and with worm gear 5,
The drive rod 71 is equipped with the convex block 711 that a both ends are in inclined-plane, and the key unlock microswitch 96 is set to route
Plate 2 is towards on the end face of drive rod 71 and key unlock microswitch 96 can be contradicted with the inclined-plane of convex block 711, the resultant signal
Microswitch 97 is set on wiring board 2 and unlocks microswitch 96 and revotating card with worm gear unlock microswitch 95, key respectively
Plate shift fork microswitch 92 is electrically connected, and jack 11 is equipped at the top of the shell 1, is equipped in the jack 11 and connects with wiring board 2
The connector pin 12 connect.In above scheme, for the connection with external signal lamp, motor 2 solves the connector pin 12 in jack 11
When lock, the rotation of worm gear 5 is contradicted with worm gear unlock microswitch 95, and external signal corresponding thereto lamp is shown, when key unlocks, is passed
In moving process, the inclined-plane of 71 upper protruding block 711 of drive rod is contradicted with key unlock microswitch 96 lever 71 on the move, with
Corresponding traffic light system, resultant signal microswitch 97 is a common signal end.
The self-priming blocking mechanism 8 includes the first opening arms 81 connecting with rotation snap-gauge shift fork 91, is opened with first
The second opening arms 82 for opening the connection of arm 81, the third opening arms 83 connecting with the second opening arms 82 and connect with third opening arms 83
The 4th opening arms 84, the 4th opening arms 84 connect with worm gear 5, and 1 bottom side of shell is equipped with pedestal 13, bottom
13 top of seat is equipped with substrate 14, and first opening arms 81 and the second opening arms 82 are set between substrate 14 and pedestal 11 and the
One opening arms 81 and the second opening arms 82 are connect by shaft 85 with pedestal 13 and substrate 14 respectively, are arranged in the shaft 85
In shaft torsional spring, the third opening arms 83 are connect by third shaft 86 with pedestal 13, and third shaft 86 is equipped with third
Shaft torsional spring, sets that there are three protrude from the first opening arms on the end face that first opening arms 81 are connect with the second opening arms 82
Latch 87 on 81, second opening arms 82 are equipped with the locked groove 88 that can be placed on latch 87, the locked groove 88
Cooperate with latch 87 in inclined-plane, substrate 14 is equipped with outer opening arms 89, and the outer opening arms 89 are set to the second opening arms 82
On shaft 85 on, the outer opening arms 89 be equipped with mounting hole 80.In above scheme, snap-gauge shift fork 94 is rotated when detecting
When in unlocking or semi-locked state, since outer opening arms 89 are equipped with mounting hole 80, external switch is equipped with by mounting hole 80, is removed
Dynamic external switch drives outer opening arms 89 to rotate, and outer opening arms 89 drive the rotation of the second opening arms 82, the second opening arms 82 drive the
The rotation of three opening arms 83, third opening arms 83 drive the rotation of the 4th opening arms 84, since the 4th opening arms 84 are connect with turbine 5,
Therefore drive turbine 5 to rotate, and then swing arm 6 driven to rotate, latch is promoted to realize full lock, and due to the first opening arms 81 with
Therefore the connection of second opening arms 82 in the rotation of the second opening arms 81, will drive the rotation of the first opening arms 81, and rotate snap-gauge
Shift fork 91 is connect with the first opening arms 81 again, therefore, rotation snap-gauge shift fork 91 is driven to rotate, when self-priming blocking mechanism 8 is in complete
When lock status, rotation snap-gauge shift fork 91 and rotation 92 non-contravention of snap-gauge shift fork microswitch, signal corresponding thereto lamp extinguish, table
Face latch is fully locked.
In the utility model, set on the connecting pin of the first opening arms 81 and the second opening arms 82 there are three latch 87, the
Two opening arms 82 are equipped with locked groove 86, and when self-priming blocking mechanism is in unlocking condition, innermost latch 87 is placed in locked groove
In 86, when semi-locked state, intermediate latch 87 is in locked groove 86, and when lock state, outmost latch 87 is in lock
In slot 86.
91 bottom of rotation snap-gauge shift fork is connect by male arms 911 with the first opening arms 81.After connecting in this way, when the
When one opening arms 81 rotate, rotation snap-gauge shift fork 91 is driven to rotate by male arms 911.
Every technical staff's notice: although the utility model is described according to above-mentioned specific embodiment, this
The invention thought of utility model is not limited to that the utility model, and any repacking with the utility model thought will all be received
Enter in this patent scope of patent protection.
Claims (4)
1. a kind of latch, includes shell, the wiring board that is set in the housing, the motor being connect with wiring board, is connected to motor
Worm screw, the swing arm that connect worm gear with worm screw and connect with worm gear, it further includes having manual locking that the worm gear, which is equipped with torsional spring,
Mechanism, the manual lockable mechanism include drive rod, lock core shift fork and lock core shift fork torsional spring, and the drive rod is set to shell
Body bottom, the middle part of drive rod are equipped with strip groove, and the worm gear, which is equipped with, to be placed in strip groove and can slide in strip groove
Shifting block, the drive rod towards the bottom of swing arm other end be equipped with rack gear, the lock core shift fork be equipped with nibbled with rack gear
The grinding tooth of conjunction, the lock core shift fork torsion spring set are set to lock core shift fork, and self-priming breech-block is equipped between the worm gear and shell
Structure, it is characterised in that: detection components are additionally provided in the shell, the detection components include rotation snap-gauge shift fork and rotation
Turn snap-gauge shift fork microswitch, the rotation snap-gauge shift fork is connected by self-priming blocking mechanism with worm gear, the shell
Body is equipped with snap-gauge axis, and the rotation snap-gauge shift fork is sheathed on snap-gauge axis in cam-like and rotation snap-gauge shift fork, described
Drive rod is equipped with torsional spring slot, is arranged with the snap-gauge shift fork torsional spring that both ends are placed in torsional spring slot on the snap-gauge axis, described
Snap-gauge shift fork microswitch is rotated to be set on wiring board and can contradict with rotation snap-gauge shift fork on rotation snap-gauge shift fork.
2. a kind of latch according to claim 1, it is characterised in that: further include thering is worm gear to unlock microswitch, key
Unlock microswitch and resultant signal microswitch, the worm gear unlock microswitch is set to wiring board towards on one end of worm gear
And can be contradicted with worm gear, the drive rod is equipped with the convex block that a both ends are in inclined-plane, and the key unlocks microswitch
Set on wiring board towards on the end face of drive rod and key unlock microswitch can be contradicted with the inclined-plane of convex block, the resultant signal
Microswitch is set on wiring board and unlocks microswitch with worm gear respectively, key unlocks microswitch and rotation snap-gauge shift fork is micro-
Dynamic switch is electrically connected, and the case top is equipped with jack, is equipped with the connector pin connecting with wiring board in the jack.
3. a kind of latch according to claim 1 or 2, it is characterised in that: the self-priming blocking mechanism include with
First opening arms of snap-gauge shift fork connection, the second opening arms being connect with the first opening arms, the third being connect with the second opening arms
Opening arms and the 4th opening arms connecting with third opening arms, the 4th opening arms are connect with worm gear, the shell bottom
Portion side is equipped with pedestal, is equipped with substrate above pedestal, first opening arms and the second opening arms be set to substrate and pedestal it
Between and the first opening arms and the second opening arms pass through shaft respectively and connect with pedestal and substrate, be sheathed on shaft in the shaft
Torsional spring, the third opening arms are connect by third shaft with pedestal, and third shaft is equipped with third shaft torsional spring, described
It is set on the end face that first opening arms are connect with the second opening arms there are three latch, forms locked groove between adjacent latch, institute
The second opening arms stated are equipped with the convex block that can be placed in locked groove, the convex block and latch and cooperate in inclined-plane, set on substrate
There are outer opening arms, the outer opening arms are set in the shaft in the second opening arms, and the outer opening arms are equipped with mounting hole.
4. a kind of latch according to claim 3, it is characterised in that: the rotation snap-gauge shift fork bottom passes through male arms
It is connect with the first opening arms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822058089.3U CN209369538U (en) | 2018-12-07 | 2018-12-07 | A kind of latch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822058089.3U CN209369538U (en) | 2018-12-07 | 2018-12-07 | A kind of latch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209369538U true CN209369538U (en) | 2019-09-10 |
Family
ID=67831689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822058089.3U Active CN209369538U (en) | 2018-12-07 | 2018-12-07 | A kind of latch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209369538U (en) |
-
2018
- 2018-12-07 CN CN201822058089.3U patent/CN209369538U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |