阅读说明：本技术 自吸自开门锁 (Self-suction self-opening door lock ) 是由 周明甫 马耀辉 蔡桥洪 魏程 张昊 于 2019-10-18 设计创作，主要内容包括：本发明的目的是提供一种体积小、重量轻的自吸自开门锁。为实现上述目的,本发明采用如下技术方案：一种自吸自开门锁,包括锁体,所述锁体包括左右相对设置的止动爪和卡板,所述止动爪和卡板均可转动固定于基座上,且止动爪和卡板分别搭配有第一扭簧和第二扭簧,所述止动爪后端在第一扭簧的作用下向卡板侧偏转,所述卡板后端在第二扭簧的作用下向止动爪偏转,所述锁体后侧设有调节块,所述调节块与驱动机构联动,且调节块前端位于止动爪后端与卡板后端之间,调节块在驱动机构的作用下左右移动以推动止动爪后端向远离卡板侧移动或推动卡板后端向远离止动爪侧移动。(The invention aims to provide a self-suction self-opening door lock which is small in size and light in weight. In order to achieve the purpose, the invention adopts the following technical scheme: the self-absorption self-opening door lock comprises a lock body, wherein the lock body comprises a locking claw and a clamping plate which are oppositely arranged on the left side and the right side, the locking claw and the clamping plate can be rotatably fixed on a base, the locking claw and the clamping plate are respectively matched with a first torsion spring and a second torsion spring, the rear end of the locking claw deflects to the clamping plate side under the action of the first torsion spring, the rear end of the clamping plate deflects to the locking claw under the action of the second torsion spring, an adjusting block is arranged on the rear side of the lock body and linked with a driving mechanism, the front end of the adjusting block is located between the rear end of the locking claw and the rear end of the clamping plate, and the adjusting block moves left and right under the action of the driving mechanism to push the rear end of the locking claw to move away from the clamping plate side or push the.)

1. The self-absorption self-opening door lock is characterized by comprising a lock body, wherein the lock body comprises a locking claw and a clamping plate which are oppositely arranged on the left side and the right side, the locking claw and the clamping plate can be rotatably fixed on a base, the locking claw and the clamping plate are respectively matched with a first torsion spring and a second torsion spring, the rear end of the locking claw deflects to the clamping plate side under the action of the first torsion spring, the rear end of the clamping plate deflects to the locking claw side under the action of the second torsion spring, an adjusting block is arranged on the rear side of the lock body and is linked with a driving mechanism, the front end of the adjusting block is located between the rear end of the locking claw and the rear end of the clamping plate, and the adjusting block moves left and right under the action of the driving mechanism to push the rear end of the locking claw to move away from the clamping plate side or push.

2. The self-priming self-unlocking door lock according to claim 1, wherein the driving mechanism comprises a driving motor and a planetary reduction mechanism, the driving motor is linked with the adjusting block through the planetary reduction mechanism, and the output end of the planetary reduction mechanism is provided with a rotating block for linking with the adjusting block.

3. The self-priming self-opening door lock according to claim 2, wherein a non-self-locking worm gear structure is arranged between the output end of the driving motor and the planetary reduction mechanism, a worm of the non-self-locking worm gear structure is arranged at the output end of the driving motor, and a worm gear of the non-self-locking worm gear structure is arranged at the input end of the planetary reduction mechanism.

4. The self-priming self-unlocking door lock according to claim 2, wherein the adjusting block and the rotating block are formed with a rack and pinion structure which are engaged with each other, the adjusting block and the base are provided with a guide bar and guide groove structure which are engaged with each other, the guide bar and the guide groove are both arranged in the left-right direction, the rotating block is in a gear structure, and the adjusting block is in a rack structure.

5. The self-priming self-opening door lock according to claim 1, 2, 3 or 4, wherein the locking pawl is engaged with a reset lever, the reset lever is engaged with a third torsion spring, one end of the reset lever is a linkage end, the other end of the reset lever is a driving end, and when the driving end deflects to one side under the action of the third torsion spring, the linkage end moves to the side far away from the rear end of the locking pawl; when the driving end deflects towards the other side, the linkage end is abutted against the rear end of the locking claw and drives the rear end of the locking claw to move towards the side far away from the clamping plate.

6. The self-priming self-opening door lock according to claim 5, wherein the rear end of the reset lever is a driving end and is located outside the base, and the front end of the reset lever is a linking end and extends between the rear end of the locking pawl and the rear end of the locking plate.

7. The self-priming self-opening door lock according to claim 6, wherein the middle part of the reset lever is rotatably fixed at the rear part of the base, the front part of the base is provided with a fixing cover for covering the locking pawl and the locking plate, the front end of the fixing cover is opened to give way to the locking tongue, the fixing cover or the base is provided with an arc-shaped groove which penetrates through the fixing cover or the base from top to bottom, the front end of the linkage end of the reset lever is provided with a linkage section which is arranged along the up-down direction, and the linkage section penetrates through the arc-shaped groove and is positioned between the rear end of the locking pawl and the; or the rear end of the locking pawl is provided with a linkage section arranged along the vertical direction, the linkage section penetrates through the arc-shaped groove, and the reset pull rod rotates to enable the driving end to be abutted against the linkage section.

8. The self-priming self-unlocking door lock according to claim 2, wherein the base is provided with a first microswitch, the rotating block comprises an axial section and an axial section, the outer diameter of the axial section is larger than that of the axial section, the circumferential outer edge of the axial section is engaged with the adjusting block, the circumferential outer wall of the axial section is recessed to form a abdicating groove, the contact end of the first microswitch extends into the abdicating groove, and when the rotating block rotates, the contact end of the first microswitch is disengaged from the abdicating groove and is in contact with the circumferential outer wall of the axial section; or a section of axial circumferential outer wall extends to the circumferential outer side to form a positioning bulge, and the rotating block rotates to enable the positioning bulge to be in contact with the contact end of the first microswitch or enable the contact end of the first microswitch to be separated from the positioning bulge.

9. The self-priming self-unlocking door lock according to claim 8, wherein the front part of the base is provided with a second microswitch and a third microswitch for controlling the driving mechanism, and when the locking tongue pushes the catch plate to rotate so that the catch plate contacts with the contact end of the second microswitch, the driving mechanism operates; when the regulating block pushes the clamping plate to move to the limit position, the locking pawl is contacted with the contact end of the third microswitch under the action of the first torsion spring, and the driving mechanism operates reversely.

10. The self-priming self-opening door lock according to claim 9, wherein the actuating mechanism is actuated to cause the adjustment block to urge the locking pawl to move away from the side of the catch plate to cause the catch plate to contact the contact end of the second microswitch, the actuating mechanism is operated in reverse to cause the rotary block to rotate in reverse and contact the contact end of the first microswitch so that the actuating mechanism ceases operation.

Technical Field

The invention relates to a lock for an automobile, in particular to a self-suction self-opening door lock.

Background

In the existing self-priming self-opening door locks in the automobile field, a split type combination mode of a lock body and a suction module is adopted mostly, so that the whole lock mechanism is overlarge in size, high in cost and inconvenient to install; there are also some structures integrating the suction module on the lock body, but the whole volume of the structure is larger than that of a split type, and the adaptation type is limited.

No matter whether the suction module is split or integrated, in order to meet the overall performance requirement, the suction module of the suction module adopts a motor with a larger size, so that the cost is increased, and the volume and the weight are also increased. Moreover, in order to realize the self-priming and self-opening function, a small motor is usually matched for opening, and a large motor is matched for actuation.

Disclosure of Invention

The invention aims to provide a self-suction self-opening door lock which is small in size and light in weight.

In order to achieve the purpose, the invention adopts the following technical scheme: the self-absorption self-opening door lock comprises a lock body, wherein the lock body comprises a locking claw and a clamping plate which are oppositely arranged on the left side and the right side, the locking claw and the clamping plate can be rotatably fixed on a base, the locking claw and the clamping plate are respectively matched with a first torsion spring and a second torsion spring, the rear end of the locking claw deflects to the clamping plate side under the action of the first torsion spring, the rear end of the clamping plate deflects to the locking claw under the action of the second torsion spring, an adjusting block is arranged on the rear side of the lock body and linked with a driving mechanism, the front end of the adjusting block is located between the rear end of the locking claw and the rear end of the clamping plate, and the adjusting block moves left and right under the action of the driving mechanism to push the rear end of the locking claw to move away from the clamping plate side or push the.

The self-priming self-opening door lock has the advantages that the adjusting block is controlled to move leftwards or rightwards through the driving mechanism, the deflection control of the clamping plate and the locking pawl is realized through one adjusting block, the complete attraction of the lock and the opening of the lock are realized, the deflection of the clamping plate and the locking pawl can be realized only by arranging one motor, and the self-priming self-opening door lock is smaller in size and lighter in weight. The structure and the fixing mode of the clamping plate and the locking pawl of the invention adopt any structure and fixing mode of the existing automobile lock. When the clamping plate deflects to the extreme position to realize full locking, the locking dog on the door is limited by the clamping plate and the locking pawl; the dogs and cards are required to meet a force of over 9000N, according to industry standards.

Preferably, the driving mechanism comprises a driving motor and a planetary reduction mechanism, the driving motor is linked with the adjusting block through the planetary reduction mechanism, and the output end of the planetary reduction mechanism is provided with a rotating block used for being linked with the adjusting block.

The invention adopts the planetary speed reducing mechanism, so that the occupied space of the invention is smaller, and simultaneously, the speed ratio is easier to adjust, and a smaller motor can be used as a driving mechanism to drive the locking pawl and the clamping plate and drive other suction mechanisms.

Preferably, a non-self-locking worm gear and worm structure is arranged between the output end of the driving motor and the planetary reduction mechanism, a worm of the non-self-locking worm structure is arranged at the output end of the driving motor, and a worm gear of the non-self-locking worm structure is arranged at the input end of the planetary reduction mechanism.

The arrangement ensures that the planetary reduction mechanism and the motor cannot be self-locked so as to solve the self-locking problem of the gear on the planetary reduction mechanism.

Preferably, the regulating block and the rotating block are formed with gear and rack structures which are matched with each other, the regulating block and the base are provided with guide strip and guide groove structures which are matched with each other, the guide strip and the guide groove are arranged along the left and right directions, the rotating block is of a gear structure, and the regulating block is of a rack structure. The arrangement is such that the dogs and the catch plate are deflected more sensitively and quickly.

Preferably, the locking claw is matched with a reset lever, the reset lever is matched with a third torsion spring, one end of the reset lever is a linkage end, and the other end of the reset lever is a driving end; when the driving end deflects towards the other side, the linkage end is abutted against the rear end of the locking claw and drives the rear end of the locking claw to move towards the side far away from the clamping plate. Wherein, the reset pull rod is used for emergent unblanking.

Preferably, the rear end of the reset lever is a driving end and is positioned outside the base, and the front end of the reset lever is a linkage end and extends to a position between the rear end of the locking pawl and the rear end of the clamping plate. The self-suction self-opening door lock is more convenient to assemble, more compact in structure and smaller in size.

Preferably, the middle part of the reset lever is rotatably fixed at the rear part of the base, the front part of the base is provided with a fixing cover for covering the locking claw and the clamping plate, the front end of the fixing cover is opened to give way to the locking tongue, the fixing cover or the base is provided with an arc-shaped groove which penetrates through the fixing cover or the base from top to bottom, the front end of the linkage end of the reset lever is provided with a linkage section which is arranged along the up-down direction, and the linkage section penetrates through the arc-shaped groove and is positioned between the rear end of the locking claw and the rear end; or the rear end of the locking pawl is provided with a linkage section arranged along the vertical direction, the linkage section penetrates through the arc-shaped groove, and the reset pull rod rotates to enable the driving end to be abutted against the linkage section. The arrangement makes the reset lever and the adjusting block dislocated to avoid the mutual interference between the two parts.

Preferably, the base is provided with a first microswitch, the rotating block comprises an axial section and an axial section, the outer diameter of the axial section is larger than that of the axial section, the circumferential outer edge of the axial section is meshed with the adjusting block, the circumferential outer wall of the axial section is recessed inwards to form a yielding groove, the contact end of the first microswitch extends into the yielding groove, and when the rotating block rotates, the contact end of the first microswitch is separated from the yielding groove and is contacted with the circumferential outer wall of the axial section; or a section of axial circumferential outer wall extends to the circumferential outer side to form a positioning bulge, and the rotating block rotates to enable the positioning bulge to be in contact with the contact end of the first microswitch or enable the contact end of the first microswitch to be separated from the positioning bulge.

Preferably, the front part of the base is provided with a second microswitch and a third microswitch for controlling the driving mechanism, and when the lock tongue pushes the clamping plate to rotate so that the clamping plate is contacted with the contact end of the second microswitch, the driving mechanism operates; when the regulating block pushes the clamping plate to move to the limit position, the locking pawl is contacted with the contact end of the third microswitch under the action of the first torsion spring, and the driving mechanism operates reversely.

Preferably, the driving mechanism is started to enable the adjusting block to push the stop pawl to move away from the clamping plate side, so that when the clamping plate is contacted with the contact end of the second microswitch, the driving mechanism operates reversely, the rotating block rotates reversely and is contacted with the contact end of the first microswitch, and the driving mechanism stops operating.

The invention has the advantages of small volume and light weight.

Drawings

FIG. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a schematic view of a structure of the present invention with the base and the cover removed;

fig. 4 is another structural schematic diagram of the present invention with the base removed and the cover fixed.

Detailed Description

The invention is further described below with reference to the figures and specific embodiments.

As shown in fig. 1 to 4, the self-priming self-opening door lock of the present invention includes a lock body 10, the lock body 10 includes a locking pawl 1 and a locking plate 2 which are oppositely arranged on the left and right sides, the locking pawl 1 and the locking plate 2 are both rotatably fixed on a base 3 through a riveting shaft 31, and the locking pawl 1 and the locking plate 2 are respectively matched with a first torsion spring 32 and a second torsion spring 33, the rear end of the locking pawl 1 deflects to the locking plate 2 side under the action of the first torsion spring 32, the rear end of the locking plate 2 deflects to the locking pawl 1 side under the action of the second torsion spring 33, the rear side of the lock body is provided with an adjusting block 4, the adjusting block 4 is linked with a driving mechanism 5, the front end of the adjusting block 4 is located between the rear end of the locking pawl 1 and the rear end of the locking plate 2, and the adjusting block 4 moves left and right under the action of the driving mechanism 5 to push the rear end of the locking pawl 1 to move to. The first torsion spring 32 and the second torsion spring 33 are respectively sleeved on one riveting shaft 31, the fixing mode of the locking pawl 1, the clamping plate 2, the riveting shaft 31, the first torsion spring 32, the second torsion spring 33 and the base is any conventional mode in the prior art, and any fixing structure on an existing automobile suction lock can be adopted. The base 3 of the present embodiment is formed of two parts. Wherein the regulating block front end extends forward to form a trigger block 40 to be located between the rear end of the locking pawl 1 and the rear end of the card plate 2.

The driving mechanism 5 comprises a driving motor 51 and a planetary speed reducing mechanism 52, the driving motor 51 is linked with the adjusting block 4 through the planetary speed reducing mechanism 52, and the output end of the planetary speed reducing mechanism 52 is provided with a rotating block 61 used for being linked with the adjusting block 4. A non-self-locking worm gear structure is arranged between the output end of the driving motor 51 and the planetary reduction mechanism 52, a worm 53 of the non-self-locking worm structure is arranged at the output end of the driving motor 51, and a worm wheel 62 of the non-self-locking worm structure is arranged at the input end of the planetary reduction mechanism. Regulating block 4 and rotatory piece 61 are formed with the rack and pinion structure of mutually supporting, and regulating block 4 is equipped with the conducting bar guide slot structure of mutually supporting with base 3, and the conducting bar 41 all sets up along left right direction with the guide slot, and rotatory piece 61 is the gear structure, and regulating block 4 is the rack structure.

The planetary reduction mechanism 52 of the present embodiment is a secondary reduction mechanism and includes a primary sun gear, a primary planet carrier, a secondary sun gear, a secondary planet gear, and a secondary planet carrier, the worm gear 62 is used as the primary sun gear, the rotating block 61 is used as the secondary planet carrier, the base 3 is integrated with the primary ring gear structure 34 and the secondary ring gear structure 35, and the planetary reduction mechanism 52 and the base 3 can be fixed in any conventional manner.

The locking pawl 1 is matched with a reset lever 7, the reset lever 7 is matched with a third torsion spring 71, the front end of the reset lever 7 is a linkage end 72 and is positioned between the rear end of the locking pawl 1 and the rear end of the clamping plate 2, the rear end of the reset lever 71 is a driving end 73 and is positioned outside the base 3, and when the driving end 73 deflects to one side under the action of the third torsion spring 71, the linkage end 72 moves to the side far away from the rear end of the locking pawl 1 and enables the reset lever 7 to abut against the outer surface of the upper part of the base 3; when the driving end 73 deflects to the other side, the linkage end 72 abuts against the rear end of the locking pawl 1 and drives the rear end of the locking pawl 1 to move away from the clamping plate 2.

The middle part of the reset lever 7 is rotatably fixed at the rear part of the base 3, the front part of the base 3 is provided with a fixed cover 30 used for covering the locking pawl and the clamping plate, the front end opening of the fixed cover 30 is abdicated with the locking tongue, an arc-shaped groove 36 which penetrates through the fixed cover 30 from top to bottom, the rear end of the locking pawl 1 is provided with a linkage section 11 which extends upwards and is arranged along the up-down direction, the linkage section 11 penetrates through the arc-shaped groove 36 to extend to the outer side of the fixed cover 30, and the reset lever 7 rotates to enable the driving end 73 to be abutted against the side surface of the linkage.

The base 3 is provided with a first microswitch 81, the rotating block 61 comprises an axial section 54 and an axial section 55, the axial section 54 and the axial section 55 are fixed together through a fastener, the outer diameter of the axial section 54 is larger than that of the axial section 55, the axial section 55 is in a gear shape, the circumferential outer edge of the axial section 55 is meshed with the adjusting block 4, the circumferential outer wall of the axial section 54 is recessed inwards to form a yielding groove 56, the contact end of the first microswitch 81 extends into the yielding groove 56, and when the rotating block 61 rotates, the contact end of the first microswitch 81 is separated from the yielding groove 56 and is contacted with the circumferential outer wall of the axial section 54.

When the door is closed, the front part of the base 3 is provided with a second microswitch 82 and a third microswitch 83 for controlling the driving mechanism, when the lock tongue pushes the clamping plate 2 to rotate so as to enable the clamping plate 2 to be contacted with the contact end of the second microswitch 82, the driving motor 51 of the driving mechanism is electrified to operate so as to enable the adjusting block to move to the clamping plate side; when the adjusting block 4 pushes the card board 2 to move to the extreme position, the locking pawl 1 is pressed against the card board under the action of the first torsion spring 32 and is contacted with the contact end of the third microswitch 83, so that the driving motor 51 of the driving mechanism rotates reversely.

When the door needs to be opened, the driving motor 51 of the driving mechanism is started to enable the adjusting block 4 to push the locking dog 1 to move away from the side of the card plate 2, the card plate is reset under the action of the third torsion spring 33 and the limitation on the lock tongue is cancelled, and when the locking dog 1 moves to enable the card plate 2 to be in contact with the contact end of the second microswitch 82, the driving motor 51 of the driving mechanism is enabled to rotate reversely, so that the rotating block 61 rotates reversely and is in contact with the contact end of the first microswitch 81 to control the driving motor 51 of the driving mechanism to stop working.

The invention cancels the traditional suction motor and uses the conventional small motor to drive independently; the invention uses small planetary gear transmission, which not only has small volume, but also solves the problem of self-locking of the gear system. The invention has the advantages of simple structure, easy control of cost, small volume, light weight, convenient operation and high integration level of electric appliances.