CN115110845B - Fastener and assembling system thereof - Google Patents

Abstract

The invention relates to the field of automobile fasteners and discloses a fastener and an assembly system thereof, wherein the assembly system comprises the fastener and an assembly device, and the assembly device is used for connecting the fastener to a corresponding position of an automobile body, so that the damage of bumpy road conditions to the fastener is reduced, and the service life of the fastener is prolonged; the fastener includes the fastener casing, first driver part, first drive assembly, the second drive assembly, stir part and resilience part, can drive first drive assembly and the action of second drive assembly through first driver part, and then drive and stir the part and realize presetting the action, the first drive assembly of resilience part back drive and the action of second drive assembly, realize stirring the resetting of part, second drive assembly has adopted the drive mechanism who pushes away handle part and turning handle part and constitute, the drive mechanism of the meshing of the teeth of a cogwheel has been reduced, the meshing of the multiunit teeth of a cogwheel has been avoidd at the transmission in-process, the teeth of a cogwheel that cause is worn and torn seriously, need frequent maintenance, and the higher problem of maintenance cost.

Description

Fastener and assembling system thereof

Technical Field

The invention belongs to the technical field of automobile locking devices, and particularly relates to a locking device and an assembly system thereof.

Background

The automobile fastener is an important component of an automobile door lock, and the automobile fastener is used for controlling the rotation of an internal lock rod to complete the unlocking or locking action after receiving an unlocking or locking signal, so that the unlocking or locking process is convenient and quick, but the traditional fastener used in the market has the following defects in use:

the existing automobile fastener is generally provided with a plurality of groups of transmission gears between a motor and a lock rod to transmit motion and change the motion direction, so that the motor drives the lock rod to perform feed motion to complete unlocking and locking, under the conditions of repeated driving and resetting, gear teeth are easy to damage, and the maintenance cost is high;

secondly, the fastener shakes due to driving vibration when the automobile runs, the internal structure of the fastener and the wire plug are separated due to frequent vibration for a long time, poor contact is caused, and the internal transmission mechanism is easily damaged due to violent vibration when the road condition is poor, so that the fastener fails when the fastener is used;

thirdly, the fastener has poor sealing performance, dust is easy to accumulate, the service life of the fastener is shortened, and the transmission accuracy is influenced;

fourthly, the internal structure has higher noise during transmission.

Disclosure of Invention

The invention aims to provide a fastener, which aims to solve the technical problems that the fastener is easy to damage and high in maintenance cost.

In order to solve the technical problems, the specific technical scheme of the invention is as follows:

in some embodiments of the application, a fastener is provided, a worm gear transmission mechanism is adopted for the first transmission assembly, a transmission mechanism consisting of a push handle part and a rotating handle part is adopted for the second transmission assembly, transmission mechanisms meshed with gear teeth are reduced, multiple groups of gear teeth are avoided being meshed in the transmission process, the gear teeth are seriously worn, frequent maintenance is needed, and the problem of high maintenance cost is solved.

In some embodiments of the application, the second transmission assembly is improved, the damping mechanism is arranged on the rotating handle part of the second transmission assembly, so that the vibration energy can be consumed through the synchronous motion of the damping mechanism in the process of generating vibration, the vibration strength and frequency can be reduced, and the problem of damage caused by the fact that the stirring part is rebounded and violently vibrated in the environment can be avoided.

In some embodiments of the application, the shell structure of the fastener is improved, the first expansion plate and the second expansion plate are arranged on the main shell and the sealing cover plate, the anti-skid parts are arranged on the abutting sides of the first expansion plate and the second expansion plate, the sealing performance of the fastener is improved, dust and rainwater are prevented from entering the fastener, a friction type damping structure can be formed, friction is generated during vibration, the energy of vibration is consumed, and the shock absorption effect is further improved.

In some embodiments of the present application, there is provided a latch comprising: a latch housing having a mounting cavity therein; a first drive member secured within the mounting cavity; the first transmission assembly is arranged in the mounting cavity, and a first driving part of the first transmission assembly is connected with the first driving part; the first transmission assembly is arranged in the mounting cavity, and a second driving part of the first transmission assembly is connected with a first driven part of the first transmission assembly; one end of the toggle component is rotatably connected with the fastener shell through a connecting component and is connected with the driving part of the second transmission component through the connecting component; the first transmission assembly and the second transmission assembly are used for transmitting the driving force of the first driving part to the shifting part and driving the shifting part to move; and the rebound component is arranged in the mounting cavity and used for resetting the toggle component.

In some embodiments of the present application, the latch housing is a split structure comprising: a main housing, a top of which is open; the sealing cover plate is detachably connected to the opening end of the main shell, and forms a sealed installation cavity with the main shell; and the wall of the mounting cavity is provided with a mounting area corresponding to the first driving part, the first transmission assembly and the second transmission assembly.

In some embodiments of the present application, the opening plane of the top of the main housing is provided with a limit slot; and the bottom plane of the sealing cover plate is provided with a limiting bulge corresponding to the limiting clamping groove.

In some embodiments of the present application, the apparatus comprises: the main casing body with sealed butt face of apron extends formation expansion board one and expansion board two to the outside respectively, expansion board one with the butt joint face of expansion board two is equipped with anti-skidding portion, the main casing body with sealed apron receives the vibration, expansion board one with the anti-skidding portion of expansion board two produces frictional force, absorbs the vibration.

In some embodiments of the present application, the first transmission component is a worm gear, one end of a worm of the worm gear is fixed to the output portion of the first driving part, and the other end of the worm is rotatably connected to the inner wall of the latch housing; the worm wheel of the worm wheel and worm rod transmission mechanism is rotatably connected with the fastener shell through a rotating shaft, a first rebound bulge is arranged on the bottom side of the worm wheel, a second rebound bulge corresponding to the first rebound bulge is arranged on the fastener shell, and two stress ends of the rebound component are respectively abutted against the first rebound bulge and the second rebound bulge to form a rebound mechanism.

In some embodiments of the present application, the second expansion and contraction part includes: the second transmission assembly comprises: the fixed end of the push handle component is fixed with the rotating shaft of the worm wheel, and the other end of the push handle component is provided with a push rod; and one end of the rotating handle component, which is close to the rotating handle component, is provided with a sliding strip hole corresponding to the push rod, the other end of the rotating handle component is fixed with the toggle component through a connecting shaft, and the push handle component pushes the rotating handle component to rotate so as to drive the toggle component to synchronously move.

In some embodiments of the present application, the stem component has a shock absorbing hole, and a damping mechanism is disposed in the shock absorbing hole; the damping mechanism comprises an elastic part and a damping block, and two ends of the damping block are respectively connected with the opposite side walls of the damping hole through the elastic part and are used for consuming the vibration force transmitted to the rotating handle part.

Compared with the prior art, the invention has the advantages that,

by reducing the transmission structure of gear meshing, in the using process, the traditional gear meshing transmission is replaced by relative sliding and stirring actions through the transmission mode of the push handle part and the rotating handle part of the second transmission assembly, so that the problems of serious abrasion, short service life and high maintenance and replacement cost of the gear teeth of the transmission gear under the condition of frequent application are solved;

simultaneously, through the damping mechanism that adds on the turning handle part, when can reduce the turning handle part and receive the vibration, amplitude and the frequency of reciprocating vibration play and consume the vibration energy, weaken the effect that the vibration was influenced, and combine main casing body and sealed lid body to extend outside and form expansion board one and expansion board two and antiskid portion, can further reduce and consume the vibration energy through small looks mutual friction, promote absorbing effect, solve the problem that the fastener that leads to because of the vibration damaged, further promote life.

In some embodiments of the application, a fastener assembling system is provided, the fastener is fixed at a corresponding position of a vehicle body through an assembling device, and the assembling device can provide buffering and damping effects for the fastener in a vehicle running process under a bumpy road condition, so that damage to the fastener under the bumpy road condition is reduced, and the service life of the fastener is prolonged.

In some embodiments of the present application, there is provided a latch fitting system including a latch and a fitting device for connecting the latch to a corresponding position of a vehicle body, wherein the latch is the above latch, the fitting device including: at least two symmetrically arranged fixed brackets; the fixing support comprises a fixing base plate, a supporting part and a spring plate, the fixing base plate and the spring plate are oppositely arranged, fixing ends at the same side are respectively and correspondingly fixed at two ends of the supporting part to form a structure like a character' 21274, a fixing part is arranged outside the shell of the fastener, the connecting end of the spring plate is connected with the fixing part, and the fixing base plate is fixed at a position corresponding to the vehicle body; a shock absorbing assembly, said shock absorbing assembly comprising: the first damping part is fixed at the bottom of the shell of the fastener; the resistance support comprises a hinge seat and a folding and unfolding mechanism, the hinge seat is fixed on the side wall of the supporting part, the fixed end of the folding and unfolding mechanism is fixed on the hinge seat, and the moving end of the folding and unfolding mechanism is opposite to the damping part I; the second damping component is fixed at the moving end of the unfolding and folding mechanism and is abutted against the first damping component; and a friction member fixed to an abutting surface of the first damper member and/or the second damper member.

In some embodiments of the present application, further comprising a stop assembly, the stop assembly comprising:

the limiting base plate is vertically fixed on the fixed base plate and corresponds to the first damping part;

the first limiting component is fixed on the first damping component;

the clamping component is an X-shaped clamping mechanism, one end of the clamping component is a clamping end, the other end of the clamping component is a driving end, the middle part of the clamping component is fixed on the limiting substrate through a rotating pin shaft and can be opened and closed, and the clamping end corresponds to the first limiting component;

the tension mechanism comprises a tension spring, a sleeve, a first transmission rod and a reinforcing rod; the two ends of the tension spring are respectively fixedly connected with the two support legs of the driving end of the clamping mechanism, the outer wall of the sleeve is provided with two opposite slide ways which are sleeved in the middle of the tension spring, the first transmission rod is provided with two transmission rods which are oppositely arranged between the support legs of the driving end of the clamping mechanism and the sleeve, one end of each transmission rod is hinged with the corresponding support leg, the other end of each transmission rod is in sliding connection with the slide way on the opposite side, one end of the reinforcing rod is fixed with a rotating pin shaft of the clamping mechanism, and the other end of the reinforcing rod is fixed with the outer wall of the middle of the sleeve;

the second driving part is a device with a telescopic driving function, the main body of the second driving part is fixed on the limiting substrate, the driving end of the second driving part is fixed with a rope winding wheel, and the rope winding wheel corresponds to the driving end of the clamping mechanism;

the second driving part can drive the rope winding wheel to wind the pulling rope and drive the clamping part to perform clamping and releasing actions;

and the two clamping blocks are symmetrically fixed on the two support legs of the clamping end of the clamping mechanism, and the anti-slip layers are fixed on the opposite sides of the clamping blocks to clamp the first limiting part at the middle part.

Compared with the prior art, the invention has the advantages that the fastener is fixed on the vehicle body through the assembling device, the functions of shock absorption and buffering can be realized on the fastener, the kinetic energy caused by vibration can be consumed by the friction action among the components, the vibration strength and frequency are reduced, the displacement distance is reduced, the damage to the internal structure of the fastener caused by the violent impact on a bumpy road section is avoided, the adaptability on special road conditions is strengthened, and the service life of the fastener is further effectively prolonged.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

fig. 1-2 are schematic diagrams of internal structures of a latch provided in an embodiment of the present invention at different viewing angles;

FIG. 3 is a schematic diagram of an external structure of a latch according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of the transmission within the latch provided by an embodiment of the present invention;

FIG. 5 is an enlarged partial view of FIG. 1 at A;

FIG. 6 is a schematic structural diagram of a main housing according to an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of another main housing according to an embodiment of the present invention;

figure 8 is an assembly schematic of a latch assembly system provided by an embodiment of the present invention.

FIG. 9 is an enlarged partial view at B of FIG. 8;

fig. 10 is a schematic structural diagram of a limiting assembly according to an embodiment of the present invention;

fig. 11 is a schematic cross-sectional view of a sleeve provided in an embodiment of the invention.

In the figure:

1. a latch housing; 10. a main housing; 100. a limiting bump; 101. a second rebound bulge; 102. an expansion board I; 11. sealing the cover plate;

2. a first drive member;

3. a first transmission assembly; 30. a worm; 31. a worm gear; 310. the first rebound bulge;

4. a second transmission assembly; 40. a push handle member; 41. a stem component; 410. a sliding bar hole; 411. a shock absorbing hole; 412. a damping mechanism; 4120. an elastic member; 4121. a damper block;

5. a toggle component;

6. a resilient member;

70. fixing a bracket; 700. fixing the substrate; 701. a support portion; 702. a spring plate;

8. a shock-absorbing assembly; 80. a first damping part; 800. a first friction inclined plane; 801. a longitudinal friction surface I; 81. a resistance bracket; 810. a hinged seat; 811. a folding and unfolding mechanism; 812. a tension spring; 82. a second damping component; 820. a second friction inclined plane; 821. a longitudinal friction surface II; 83. a friction member; 84. a slide rail;

9. a limiting component; 90. a limiting substrate; 91. a first limiting component; 92. a holding member 92; 93. a tension mechanism; 930. a tension spring; 931. a sleeve; 932. a first transmission rod; 933. a reinforcing bar; 94. a second drive member; 940. a rope winding wheel; 941. pulling a rope; 95. a second transmission rod; 96. and (4) clamping the block.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

For a better understanding of the objects, structure and function of the invention, reference should be made to the following detailed description taken in conjunction with the accompanying drawings.

Referring to fig. 1-3, in accordance with some embodiments of the present application, a latch includes a latch housing 1, which basically includes a main housing 10 and a sealing cover 11, and a mounting cavity is provided inside the latch for assembling a transmission mechanism.

In some embodiments of the present application, the first driving part 2 is further included, and the first driving part 2 is fixed in the installation cavity and used as a power part of the locking device to drive the transmission mechanism to act.

The main housing 10 and the sealing cover plate 11 are preferably made of metal, and the surfaces thereof are coated with anti-oxidation paint, or made of stainless steel.

The first drive member 2, which may preferably be a servo motor, is easy to control.

In some embodiments of the present application, the present application further includes a first transmission assembly 3, a second transmission assembly 4, and a toggle member 5, a first driving member of the first transmission assembly 3 is connected to the first driving member 2, and transmits a driving force to a second driving member of the second transmission assembly 4 through a first driven member, the toggle member 5 is disposed outside the installation cavity, a connection end of the toggle member is fixed to the second driven member through a connection rod, receives the driving force from the first driving member 2, and swings with the action of the first driving member 2.

In some embodiments of this application, still include resilience part 6, resilience part 6 sets up in the installation cavity, be in between first driven part and the main casing body 10, and simultaneously with first driven part and the main casing body 10 joint, when stirring part 5 is in the initial position, resilience part 6 is not atress, start to drive first driven part action when first drive part 2, drive stirring part 5 swing, resilience part 6 lasts the atress this moment, and increase gradually, after the action is accomplished, the outage stop work of first drive part 2, lose drive power, resilience part 6 resets under the spring action, the action of first driven part of back drive, and drive second transmission assembly 4 and reset, realize the resetting of stirring part 5, accomplish a complete cycle of stirring, wait for next action.

With reference to fig. 4, according to some embodiments of the present application, it can be seen that the first driving component 2 can drive the first driving component 3 and the second driving component 4 to move, and then drive the shifting component 5 to realize a preset movement, so as to complete a preset movement, and the springback component 6 reversely drives the first driving component 3 and the second driving component 4 to move, so as to realize the reset of the shifting component 5.

According to some embodiments of the present application, the latch housing 1 is a split structure comprising:

a main housing 10, a top of the main housing 10 being open;

the sealing cover plate 11 is detachably connected to the open end of the main shell 10, and forms a sealed installation cavity with the main shell 10;

the wall of the installation cavity is provided with an installation area corresponding to the first driving component 2 and the first transmission component 3 and the second transmission component 4.

Continuing to combine to show with fig. 6, main casing body 10's middle part sinks to form the groove structure, form the installing zone that is used for installing first drive assembly 3 and second drive assembly 4, and main casing body 10's inner wall is provided with and is used for carrying out spacing lug 100 to second driven component in the second drive assembly 4, avoid second driven component to surpass the stroke, protruding two 101 are kick-backed to the position that corresponds first driven component, be used for with the joint of rebound component 6, play spacing effect, and main casing body 10's tip still is equipped with the circuit pipeline, be used for setting up the circuit, for first drive component power supply.

The sealing cover 11 can be detachably fixed to the opening of the main housing 10 to seal it, and the inner wall is also provided with mounting areas adapted to the first transmission assembly 3 and the second transmission assembly 4.

According to some embodiments of the present application, the opening plane of the top of the main housing 10 is provided with a limit slot;

the bottom plane of sealed apron 11 establishes the spacing arch that corresponds with spacing draw-in groove, can prescribe a limit to the concatenation position, and the concatenation operation of being convenient for, recess and bellied adaptation connection can play the effect of reinforcing installation cavity leakproofness simultaneously, avoids the dust to get into the installation cavity, produces the influence to inner structure, reduces life.

With reference to fig. 7, according to some embodiments of the present disclosure, the first expansion plate 102 and the second expansion plate 102 are formed by extending outward the sealing contact surfaces of the main housing 10 and the sealing cover plate 11, the anti-slip portion is disposed on the abutting surface of the first expansion plate 102 and the second expansion plate, the main housing 10 and the sealing cover plate 11 are vibrated, and the anti-slip portion of the first expansion plate 102 and the second expansion plate generates friction to absorb the vibration.

The first expansion board 102 and the second expansion board 102 can also be in an incoherent independent plate-shaped structure, each first expansion board 102 corresponds to the second expansion board, and the inner sides of the first expansion board 102 and the second expansion board are also provided with anti-skidding parts, so that when the expansion board 102 and the second expansion board are vibrated, the expansion board 102 and the second expansion board are driven to generate micro movement or relative displacement trend, and the oscillation force is consumed through micro friction.

In order to further optimize the technical scheme, the anti-slip part can be an anti-slip rubber layer, so that the effect of sealing the fastener shell 1, preventing dust from entering and reducing noise transmission is achieved, and meanwhile, the flexible contact surface has the effect of absorbing vibration.

In order to further optimize the technical scheme, a rubber plastic plate layer can be attached to the inner walls of the main shell 10 and the sealing cover plate 11, so that the effects of absorbing noise and blocking noise transmission can be achieved, and the noise generated in the action layer of the fastener is weakened.

According to some embodiments of the present application, the first transmission assembly 3 is a worm gear, and one end of the worm 30 is fixed to the output portion of the first driving member 2, and the other end is rotatably connected to the inner wall of the latch housing 1;

a worm wheel 31 of the worm and gear transmission mechanism is rotatably connected with the fastener shell 1 through a rotating shaft, a first rebound bulge 310 is arranged on the bottom side of the worm wheel 31, a second rebound bulge 101 corresponding to the first rebound bulge is arranged on the fastener shell 1, and two stress ends of the rebound component 6 are respectively abutted against the first rebound bulge 310 and the second rebound bulge 101 to form a rebound mechanism; wherein the content of the first and second substances,

the opposite side of worm wheel 31 and main casing body 10 is groove structure, form and hold the chamber, the inside that holds the chamber is equipped with the protruding 310 of resilience of perpendicular to diapire, resilience part 6 can be preferred torsion spring, with torsion spring embedding worm wheel 31 hold the intracavity, a butt end thereof is fixed with the protruding of resilience of worm wheel 31, connect the axis of rotation in the middle part of worm wheel 31, and rotate the corresponding position of connection at main casing body 10 through axis of rotation and bearing, it is relative with the protruding two 101 of resilience, and with another butt limit of torsion spring and the protruding two 101 of resilience butt, make the protruding 310 of resilience of worm wheel 31 and the protruding two 101 of resilience form resilience mechanism, when worm wheel 31 rotates to predetermineeing the direction, torsion spring atress shrink, until accomplishing predetermined action, first drive block 2 cuts off the power supply, lose drive power, torsion spring drives worm wheel 31 at this moment under the drive of elasticity and resets, and then realize the reset of first drive assembly 3, second drive assembly 4 and toggle block 5, wait for action next.

Continuing to refer to FIG. 4, in accordance with some embodiments of the present application, second drive assembly 4 comprises:

a push handle component 40, the fixed end of the push handle component 40 is fixed with the rotating shaft of the worm wheel 31, and the other end is provided with a push rod;

a sliding bar hole 410 corresponding to the push rod is arranged at one end of the rotating handle component 41 close to the rotating handle component 41, the other end of the rotating handle component 41 is fixed with the toggle component 5 through a connecting shaft, and the pushing handle component 40 pushes the rotating handle component 41 to rotate to drive the toggle component 5 to synchronously move; wherein

The push handle component 40 is a plate-shaped structure, one end of the push handle component is sleeved and fixed outside the rotating shaft of the worm wheel 31 and rotates along with the rotation of the worm wheel 31 and the rotating shaft, and the other end of the push handle component is fixed with a deflector rod vertical to the plate surface;

the handle part 41 is a plate-shaped part, a sliding strip hole 410 at the end part of the handle part is sleeved outside the shifting rod, the inner wall of the sliding strip hole 410 is abutted against the outer wall of the shifting rod, the shifting part 5 is arranged outside the main shell 10, a connecting rotating shaft is arranged at the connecting end of the shifting part, the connecting rotating shaft penetrates through a wall plate of the fastener shell 1 and is rotatably connected with the inner wall of the fastener through a bearing, a transmission end of the handle part 41 is sleeved and fixed outside the connecting rotating shaft, the handle part 41 rotates by taking the connecting rotating shaft as an axis, and further the first driving part 2 drives the worm and gear 30 mechanism, the handle pushing part 40 and the handle part 41, and finally controls the action of the shifting part 5.

In order to further optimize the technical scheme, the push handle component 40 can also be a rod-shaped component or a tubular component, so that the replaceability is stronger, and the maintenance cost and the production cost are further reduced.

In order to further optimize the technical scheme, the inner wall of the sliding strip hole 410 can be provided with a lining ring piece which can be detachably connected, the lining ring piece is connected in a bolt fixing or bonding fixing mode, and the lining ring piece is provided with a lining part, so that the lining can be directly replaced after the lining is seriously worn, the maintenance cost is further reduced, the economic benefit is improved, and the energy-saving and environment-friendly effects are achieved.

Referring to fig. 5, according to some embodiments of the present application, a damping hole 411 is formed on the stem member 41, and a damping mechanism 412 is installed in the damping hole 411;

the damping mechanism 412 includes an elastic member 4121 and a damper block 4120, both ends of the damper block 4120 being connected to opposite sidewalls of the damper hole 411 through the elastic member 4121, respectively, for dissipating the oscillating force transmitted to the stem part 41;

the elastic member 4121 may preferably be a spring member, two spring members are fixed on opposite sides of the damping hole 411, and the direction of the two spring members is the same as the vibration force, the damping block 4120 is fixed between the two spring members, when the handle member 41 is subjected to a vibration force, the damping block 4120 in the damping hole 411 vibrates simultaneously, and due to the fact that the springs generate opposite elastic forces under the vibration effect, the damping block 4120 vibrates in a reciprocating manner between the two springs, the vibration force is consumed, and the damping effect is achieved.

In order to further optimize the technical scheme, the inner wall of the damping hole 411, which is opposite to the side wall of the damping block 4120, is provided with a limiting sliding groove, and the damping block 4120 is provided with a sliding block part matched with the damping hole and is in sliding connection with the sliding block part.

In order to further optimize the above technical solution, the stem part 41 can be provided with a plurality of damping holes 411, and the damping mechanisms 412 are respectively arranged in the stem part, and the damping effect is better when the damping mechanisms 412 are more numerous.

In order to further optimize the technical scheme, the same shock absorption holes 411 can be formed in the handle body of the push handle component 40, and the damping mechanisms 412 are installed in the shock absorption holes 411, so that the shock absorption effect is further enhanced, and the vibration force and the vibration frequency are reduced.

Referring to fig. 8, in some embodiments according to the present application, a latch mounting system includes a latch and a mounting device for attaching the latch to a corresponding location on a vehicle body, the latch being one of the above embodiments, the mounting device including:

at least two symmetrically arranged fixing brackets 70;

the fixing bracket 70 comprises a fixing substrate 700, a supporting part 701 and a spring plate 702, the fixing substrate 700 and the spring plate 702 are oppositely arranged, and the fixing ends on the same side are respectively and correspondingly fixed at the two ends of the supporting part 701 to form a structure like a letter' 21274; when the car produced continuous vibration in the highway section of jolting, the dead lock received synchronous vibration, produce the trend of removal, this moment owing to be connected fixedly with spring board 702, consequently carry out small toward moving the motion that resets under the effect of dragging of spring board, play absorbing effect, the inside damping structure of cooperation dead lock, consumption vibrational force that can be quick, it receives violent vibration to reduce the dead lock, the problem of inner wall transmission structure striking damage can be applicable to comparatively abominable road conditions, increase of service life.

In order to further optimize the technical scheme, the spring plate 702 is preferably a spring steel plate, and the spring steel plate generates small displacement after being stressed, so that the strength is high, and the service life is long.

In order to further optimize the above technical solution, the shell of the supporting portion 701 is used as a supporting plate, a supporting column, a supporting frame and other multiple structures, and plays a role of supporting the spring plate 702.

In order to further optimize the above technical solution, the fixing brackets 70 are provided in plurality, every two fixing brackets 70 form a group, and each group of fixing brackets 70 is symmetrically arranged to form a balance structure.

Continuing to refer to FIG. 9, in accordance with some embodiments of the present application, there is further provided a shock assembly 8, the shock assembly 8 comprising:

the first damping part 80, the first damping part 80 is fixed at the bottom of the shell of the lock;

the resistance bracket 81 comprises a hinge seat 810 and an unfolding and folding mechanism 811, the hinge seat 810 is fixed on the side wall of the supporting part 701, the fixed end of the unfolding and folding mechanism 811 is fixed on the hinge seat 810, and the moving end of the unfolding and folding mechanism 811 is opposite to the first damping part 80;

the second damping component 82 is fixed at the moving end of the unfolding and folding mechanism 811 and is abutted against the first damping component 80;

the friction member 83, the friction member 83 is fixed on the abutting surface of the first shock absorption member 80 and/or the second shock absorption member 82; wherein the content of the first and second substances,

the first damping component 80 comprises a connecting part and a first friction block, one end of the first damping component 80 is connected to the shell of the fastener, the other end of the first damping component is fixed to the first friction block, two sides of the bottom of the first friction block are provided with first friction inclined planes 800 which incline to the middle, and two sides of the top of the first friction block are provided with first longitudinal friction surfaces 801;

the resistance support 81 is a folding mechanism with a folding and unfolding effect, one end of the folding mechanism is fixed on the side wall of the support part 701 through a hinge seat 810, the other end of the folding mechanism is connected with a second damping component 82, the second damping component 82 is a second friction block, the bottom of the second damping component is connected with the fixed base plate 700 through a slide rail 84 in a sliding manner, the top of the second damping component 82 is provided with a second friction inclined surface 820 corresponding to the first friction inclined surface 800, the bottom of the second damping component is provided with a second longitudinal friction surface 821 corresponding to the first longitudinal friction surface 801, when the second damping component is vibrated, the locking device generates reciprocating micro displacement under the action of vibration inertia and the spring plate 702 and drives the first friction block to move synchronously, the first friction inclined surface 800 and the second friction inclined surface 820 generate reciprocating friction action to generate heat and consume vibration force, when large vibration force is applied, the displacement generated by the first friction block is increased, the first friction inclined surface 800 and the second friction inclined surface 820 are separated, the first longitudinal friction surface 801 and the second friction surface 821 are attached and generate friction, and in a continuous extrusion force is increased in the process of the first friction block, and the damping effect is further increased, and the extrusion force is further increased in the process of the damping effect.

In order to further optimize the above technical solution, the unfolding and folding mechanism 811 may select a rhombic link mechanism, and two opposite angles of the link mechanism are used as a fixed end and a connecting end to connect the hinged seat 810 and the second friction block, respectively, and a tension spring 812 is connected between the other opposite angles to provide stable tension for the link mechanism, thereby ensuring the friction effect of the first friction block and the second friction block.

In order to further optimize the above technical solution, the resistance support 81 may further select a plurality of pressure springs, a guiding telescopic rod is disposed inside the pressure springs, and two ends of the pressure springs and two ends of the guiding telescopic rod are respectively fixed on the support part 701 and the second friction block, so as to provide stable thrust for the second friction block.

In order to further optimize the technical scheme, the resistance support 81 can also be an X-shaped folding and unfolding support, one support leg of the driving end is hinged to the side wall of the supporting part 701, the other support leg is connected with the side wall of the supporting part 701 through a sliding rail in a sliding manner, one support leg of the moving end is hinged to the second friction block, the other support leg is connected with the side wall of the second friction block through a sliding rail in a sliding manner, and a tension spring is connected between the two support legs of the driving end to provide continuous pushing force for the second friction block.

According to some embodiments of the present application, the damping assembly 8 may also be a clamping mechanism, which includes a first damping member and two elastic friction clamping plates, the first damping member is a conical plate, one end of the conical plate is fixed at the bottom of the housing of the locking device, two sides of the conical plate are first friction surfaces inclined towards the middle, one side of the two elastic friction clamping plates is provided with a second inclined friction surface adapted to the first friction surface, and the two elastic friction clamping plates are oppositely arranged at two sides of the conical plate, so that the second friction surfaces are respectively abutted against the first friction surfaces at the corresponding sides, and the first damping member is clamped by elastic action; when the first damping part moves, the first damping part and the elastic friction clamping plate generate relative friction, and due to the elasticity of the elastic clamping plate, the friction force of the first damping part moving downwards is continuously increased, the resistance is continuously increased, and the displacement distance of the locking device is shortened by increasing the consumed energy.

In order to further optimize the technical scheme, the damping assemblies 8 can be provided with a plurality of groups, and the damping components can provide better damping effect and reduce vibration frequency.

As shown in further detail in conjunction with fig. 9-11, according to some embodiments of the present application, the apparatus further includes a limiting assembly 9, wherein the limiting assembly 9 includes:

the limiting base plate 90, the limiting base plate 90 is vertically fixed on the fixed base plate 700 and corresponds to the first damping part 80;

the first limiting part 91, the first limiting part 91 is fixed on the first damping part 80;

the clamping component 92 is an X-shaped clamping mechanism, one end of the clamping component 92 is a clamping end, the other end of the clamping component 92 is a driving end, the middle part of the clamping component 92 is fixed on the limiting base plate 90 through a rotating pin shaft and can be opened and closed, and the clamping end corresponds to the first limiting component 91;

the tension mechanism 93, the tension mechanism 93 comprises a tension spring 930, a sleeve 931, a first transmission rod 932 and a reinforcement rod 933; the two ends of the tension spring 930 are respectively fixedly connected with the two support legs at the driving end of the clamping mechanism, the outer wall of the sleeve 931 is provided with two slide ways 9310 opposite to the slide ways 9310 and is sleeved in the middle of the tension spring 930, the first transmission rods 932 are provided with two transmission rods and are oppositely arranged between the support legs at the driving end of the clamping mechanism and the sleeve 931, one end of each transmission rod 932 is hinged with the corresponding support leg, the other end of each transmission rod 932 is in sliding connection with the slide way at the opposite side, one end of the reinforcing rod 933 is fixed with a rotating pin shaft of the clamping mechanism, and the other end of each reinforcing rod 933 is fixed with the outer wall of the middle of the sleeve 931;

the second driving part 94, the second driving part 94 is a device with flexible driving function, its body is fixed on spacing base plate 90, its drive end is fixed with the rope-rolling wheel 940, the rope-rolling wheel 940 corresponds to drive end of the clamping mechanism;

two transmission rods 95 are arranged, one ends of the two transmission rods 95 are hinged, the other ends of the two transmission rods 95 are hinged with the supporting legs at the driving end of the clamping mechanism respectively, the hinged ends of the two transmission rods are connected with the rope winding wheel 940 through a pull rope 941, the second driving part 94 can drive the rope winding wheel 940 to wind the pull rope 941, and the clamping part 92 is driven to clamp and release;

the two clamping blocks 96 are symmetrically fixed on the two support legs of the clamping end of the clamping mechanism, and the anti-skid layers are fixed on the opposite sides of the clamping blocks 96 to clamp the first limiting part 91 in the middle.

In order to further optimize the technical scheme, the first limiting component 90 is a limiting plate, and the surface of the limiting plate is rough.

In order to further optimize the above technical solution, the second driving part 94 is a servo motor.

In order to further optimize the technical scheme, the rope winding device further comprises a rope winding positioning tube, the outer wall of the rope winding positioning tube is fixed on the limiting base plate and is positioned between the rope winding wheel 940 and the two transmission rods 95, and the rope winding positioning tube penetrates through the rope winding positioning tube and then is fixedly connected with the common hinged end of the two transmission rods 95.

The beneficial effects of the scheme are that when the encountered vibration is small, the second driving part is powered off, continuous pretightening force is provided for the clamping mechanism through the tension mechanism, the clamping mechanism extrudes the clamping block from the clamping end to the middle part, the first limiting part is clamped in the middle through the clamping block, when the fastener displaces, the first limiting part is driven to move and rubs against the anti-skid layer on the clamping block, the descending speed and the displacement are reduced, the energy of vibration is consumed, the driving end of the clamping mechanism is linked with the reinforcing rod through the first transmission rod, and the stability is stronger; when violent vibration occurs, in order to avoid overlarge moving stroke of the fastener, the second driving part acts to drive the rope winding wheel to wind the pull rope, the second transmission rod is driven by the pull rope to change the angle, the hinged end moves downwards, the driving end of the clamping mechanism is pulled to be close to the middle part, the clamping force of the clamping end is increased under the action of the lever principle, the first limiting part and the fastener are limited to move downwards, the first limiting part is clamped and locked, the fastener is prevented from being impacted with other parts, damage is caused, the stability of the whole structure is further improved, and the service life is prolonged.

According to the first concept of the application, through the combination of the push handle part 40 and the rotating handle part 41, the number of gear parts in the fastener can be effectively reduced, the transmission relation of gear tooth meshing transmission is reduced, the problems of serious collision and abrasion of the gear teeth in the fastener are solved, the manufacturing cost is high, the maintenance cost is high, and the service life is short are solved.

According to the second concept of the application, the damping mechanism 412 is arranged on the part of the second transmission assembly 4, so that the vibration force of the transmission part in the vibration process can be absorbed, the swing frequency after vibration is reduced, the impact frequency and strength between the parts are reduced, vibration can be absorbed, the effect of vibration influence is reduced, the service life of the fastener is further prolonged, the adaptability to bumpy road sections is strengthened, and the practicability is further improved.

According to the third concept of the application, the edge of the connection surface of the main shell 10 and the sealing cover body extends outwards to form the first expansion plate 102 and the second expansion plate, the anti-skid part is arranged on the butt joint surface of the first expansion plate 102 and the second expansion plate, the sealing performance of the inner cavity of the fastener is improved, dust particles are prevented from entering the cavity and being attached to the power transmission mechanism, the transmission effect is influenced, the problem of abrasion of a transmission part is solved, slight vibration can be absorbed through flexible attaching connection, the effects of reducing vibration and noise are achieved, and the use experience is further improved.

According to the fourth concept of the present application, an independent assembling device is designed for the fastener, the fastener is fixed on the vehicle body through the assembling device, a shock absorption base is provided for the fastener, vibration is absorbed, the vibration frequency is reduced, damage to the fastener caused by violent vibration is reduced, and the service life of the fastener is prolonged.

According to the fifth concept of the application, on the basis of the assembling device, the damping effect of the assembling device is further improved through the damping part, meanwhile, the displacement distance of the fastener is reduced, and the influence on the fastener is further reduced.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims (6)

1. A latch, comprising:

a latch housing having a mounting cavity therein;

a first drive member secured within the mounting cavity;

the first transmission assembly is arranged in the mounting cavity, and a first driving part of the first transmission assembly is connected with the first driving part; the first transmission component is a worm gear and worm transmission mechanism, one end of a worm of the first transmission component is fixed with the output part of the first driving part, and the other end of the worm is rotationally connected with the inner wall of the fastener shell; a worm wheel of the worm wheel and worm rod transmission mechanism is rotatably connected with the fastener shell through a rotating shaft, a first rebound bulge is arranged on the bottom side of the worm wheel, and a second rebound bulge corresponding to the first rebound bulge is arranged on the fastener shell;

the first transmission assembly is arranged in the mounting cavity, and a second driving part of the first transmission assembly is connected with a first driven part of the first transmission assembly;

one end of the toggle component is rotatably connected with the fastener shell through a connecting component and is connected with the driving part of the second transmission component through the connecting component; the first transmission assembly and the second transmission assembly are used for transmitting the driving force of the first driving part to the shifting part and driving the shifting part to move;

the two stress ends of the springback component are respectively abutted against the first springback protrusion and the second springback protrusion to form a springback mechanism for resetting the toggle component;

wherein the second transmission assembly comprises: the fixed end of the push handle component is fixed with the rotating shaft of the worm wheel, and the other end of the push handle component is provided with a push rod; the sliding strip hole corresponding to the push rod is formed in one end, close to the rotating handle component, of the rotating handle component, the other end of the rotating handle component is fixed with the stirring component through a connecting shaft, and the pushing handle component pushes the rotating handle component to rotate to drive the stirring component to synchronously move; the rotating handle component is provided with a damping hole, and a damping mechanism is arranged in the damping hole; the damping mechanism comprises an elastic part and a damping block, and two ends of the damping block are respectively connected with the opposite side walls of the damping hole through the elastic part and are used for consuming the vibration force transmitted to the rotating handle part.

2. A latch according to claim 1 wherein the latch housing is a split construction comprising:

a main housing, a top of which is open;

the sealing cover plate is detachably connected to the opening end of the main shell, and forms a sealed installation cavity with the main shell;

and the wall of the mounting cavity is provided with a mounting area corresponding to the first driving part, the first transmission assembly and the second transmission assembly.

3. The latch according to claim 2, wherein the open plane of the top of the main housing is provided with a limit slot;

and the bottom plane of the sealing cover plate is provided with a limiting bulge corresponding to the limiting clamping groove.

4. The latch according to claim 2, wherein the sealing contact surfaces of the main housing and the sealing cover extend outward to form a first expansion plate and a second expansion plate, respectively, the abutting surfaces of the first expansion plate and the second expansion plate are provided with anti-slip portions, the main housing and the sealing cover are subjected to vibration, and the anti-slip portions of the first expansion plate and the second expansion plate generate friction force to absorb the vibration.

5. A latch fitting system comprising a latch and fitting means for attaching the latch to a corresponding location on a vehicle body, wherein the latch is as claimed in any one of claims 1 to 4, the fitting means comprising:

at least two symmetrically arranged fixed brackets; the fixing support comprises a fixing base plate, a supporting part and a spring plate, the fixing base plate and the spring plate are oppositely arranged, fixing ends on the same side are respectively and correspondingly fixed at two ends of the supporting part to form a v 21274word structure, a fixing part is arranged outside a shell of the fastener, a connecting end of the spring plate is connected with the fixing part, the fixing base plate is fixed at a position corresponding to the vehicle body, and the fastener can perform reciprocating displacement along the bending direction of the spring plate;

a shock absorbing assembly, said shock absorbing assembly comprising: the damper comprises a first damping part, a resistance bracket, a second damping part and a friction part, wherein the first damping part is fixed at the bottom of a shell of the fastener;

the resistance support comprises a hinge seat and an unfolding and folding mechanism, the hinge seat is fixed on the side wall of the supporting part, the fixed end of the unfolding and folding mechanism is fixed on the hinge seat, and the moving end of the unfolding and folding mechanism is opposite to the damping part I;

damping part two is fixed through articulated seat exhibition receipts mechanism's removal end, and with damping part one butt, exhibition receipts mechanism can be for damping part two provides thrust, will damping part two extrudees on the damping part one, the friction part is fixed damping part one and/or damping part two's butt face works as the fastener produces the displacement, damping part one with damping part two's butt face carries out mutual friction.

6. The latch fitting system of claim 5 further comprising a stop assembly, said stop assembly comprising:

the limiting base plate is vertically fixed on the fixed base plate and corresponds to the first damping part;

the first limiting component is fixed on the first damping component;

the clamping component is an X-shaped clamping mechanism, one end of the clamping component is a clamping end, the other end of the clamping component is a driving end, the middle part of the clamping component is fixed on the limiting substrate through a rotating pin shaft and can be opened and closed, and the clamping end corresponds to the first limiting component;

the tension mechanism comprises a tension spring, a sleeve, a first transmission rod and a reinforcing rod; the two ends of the tension spring are respectively fixedly connected with the two support legs at the driving end of the clamping mechanism, the outer wall of the sleeve is provided with two slide ways opposite to each other, the two slide ways are sleeved in the middle of the tension spring, the first transmission rod is provided with two transmission rods, the two transmission rods are oppositely arranged between the support legs at the driving end of the clamping mechanism and the sleeve, one end of each transmission rod is hinged with the corresponding support leg, the other end of each transmission rod is in sliding connection with the slide way at the opposite side, one end of the reinforcing rod is fixed with a rotating pin shaft of the clamping mechanism, and the other end of the reinforcing rod is fixed with the outer wall of the middle of the sleeve;

the second driving part is a device with a telescopic driving function, the main body of the second driving part is fixed on the limiting substrate, the driving end of the second driving part is fixed with a rope winding wheel, and the rope winding wheel corresponds to the driving end of the clamping mechanism;

the second driving part can drive the rope winding wheel to wind the pulling rope and drive the clamping part to perform clamping and releasing actions;

and the two clamping blocks are symmetrically fixed on the two support legs of the clamping end of the clamping mechanism, and the anti-skid layers are fixed on the opposite sides of the clamping blocks to clamp the first limiting component at the middle part.

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