CN108372840B - Lock catch device assembly - Google Patents
Lock catch device assembly Download PDFInfo
- Publication number
- CN108372840B CN108372840B CN201810348362.8A CN201810348362A CN108372840B CN 108372840 B CN108372840 B CN 108372840B CN 201810348362 A CN201810348362 A CN 201810348362A CN 108372840 B CN108372840 B CN 108372840B
- Authority
- CN
- China
- Prior art keywords
- lock
- inertia
- latch
- block
- elastic locking
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 230000000903 blocking effect Effects 0.000 claims description 33
- 238000003825 pressing Methods 0.000 claims description 25
- 230000006835 compression Effects 0.000 claims description 14
- 238000007906 compression Methods 0.000 claims description 14
- 238000000926 separation method Methods 0.000 claims description 9
- 230000009471 action Effects 0.000 claims description 8
- 230000002265 prevention Effects 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 238000013461 design Methods 0.000 abstract description 16
- 230000007547 defect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000002159 abnormal effect Effects 0.000 description 3
- 210000002414 leg Anatomy 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000001217 buttock Anatomy 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R22/00—Safety belts or body harnesses in vehicles
- B60R22/18—Anchoring devices
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
- A44B11/00—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts
- A44B11/25—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts with two or more separable parts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Buckles (AREA)
Abstract
The invention discloses a locker assembly, which comprises a lock catch and a lock tongue, wherein the lock catch comprises a buckle shell structure and a lock hook; the lock hook is C-shaped, the lock catch also comprises a jacking block which is in tight fit with the end pin at one end of the lock hook, the jacking block is used for being pushed by the lock tongue so as to drive the lock hook to rotate, and the end pin at the other end of the jacking block is used for being inserted into a locking port of the lock tongue through rotation so as to complete locking; the top end of the lock hook, which is away from the end pin, is connected with an elastic locking block, a lock pin for limiting the elastic locking block is arranged in the buckle shell structure, and the lock pin is used for limiting the elastic locking block to lock the position and the angle of the lock hook. The C-shaped lock hook is rotatable in the buckle shell, one end of the C-shaped lock hook is used for being pushed by the ejector block to drive the lock hook to rotate, and the other end of the C-shaped lock hook reaches or leaves the locking notch position of the lock tongue when rotating so as to realize locking or unlocking, and meanwhile, the C-shaped lock hook is matched with the elastic locking block and the lock pin, so that the locking principle is simplified, and stable and high-quality locking and unlocking can be achieved through simple and high-integration mechanism design.
Description
Technical Field
The invention relates to the technical field of safety protection tools, in particular to a locking device assembly.
Background
The lock catch is a device which can enable a wearer to be fixed by a safety belt and can be quickly released; is commonly used in scenes of various amphibious vehicles, large-scale game equipment or tourist areas and the like. Taking a car as an example, the car seat is firmly fixed on the seat by a user, when the car collides, the car seat can protect the safety of the wearer, so that the wearer does not separate from the seat, and meanwhile, the car seat needs to be ensured to be quickly released and quickly separated from a dangerous situation site.
The inventor researches find that the conventional lock catch at present has the defects of high wind in use, and the specific steps are as follows: taking a vehicle as an example, the latch assembly is generally large in appearance, the mounting space of a latch on a part of vehicle type rear-row seats is limited, the head of the latch protrudes out of the surface of the seat after being mounted, the buttocks of a passenger are easy to be squeezed when the passenger sits, the latch assembly is not attractive, and the use comfort is poor; the opening parts of the box cover are provided with sharp corners and edges, so that the seat leather is easy to scrape and scratch, and the use comfort is poor; the insertion force and the opening force are large and are not easy to adjust, so that the use comfort is poor; the lock catch has noise in the use process and has poor comfort; unlocking abnormality can occur occasionally in the using process of the lock catch; there is a risk of false locking. The biggest problem is that the internal structure of the lock catch is unreasonable in design, so that the lock catch is large in size and defective in use.
In summary, how to effectively solve the technical problems of the existing common latch structure, such as the internal defect, the overlarge volume, and the like, is a problem that needs to be solved by those skilled in the art.
Disclosure of Invention
Therefore, the present invention is directed to a latch assembly, which can effectively solve the technical problems of the existing conventional latch structure, such as the internal defect, the excessive volume, and the like.
In order to achieve the above purpose, the present invention provides the following technical solutions:
The latch assembly comprises a latch and a lock tongue, wherein the latch comprises a latch shell structure and a latch hook; the lock hook is C-shaped, the lock catch also comprises a jacking block which is in tight fit with the end pin at one end of the lock hook, the jacking block is used for being pushed by the lock tongue so as to drive the lock hook to rotate, and the end pin at the other end of the jacking block is used for being inserted into a locking port of the lock tongue through rotation so as to complete locking; the top that the latch hook deviates from the terminal pin is connected with the elasticity locking piece, be provided with in the knot shell structure and be used for spacing the lockpin of elasticity locking piece, through the lockpin is spacing to elasticity locking piece, locking the position and the angle of latch hook.
Preferably, in the latch assembly, the latch hook is provided with a mounting plate extending along a direction away from the terminal pin, and the elastic locking block is mounted and connected to the mounting plate through a compression spring.
Preferably, in the above locking device assembly, the mounting plate is provided with a vertically extending limit column, the elastic locking block is slidably connected with the limit column, and the compression spring is sleeved on the limit column, and two ends of the compression spring respectively abut against the mounting plate and the elastic locking block.
Preferably, in the above locking device assembly, an unlocking button is connected to an outer side surface of the buckling shell structure, the unlocking button is in sliding fit with the buckling shell structure, and one end of the unlocking button extending into the buckling shell structure is matched with the elastic locking block and used for pushing the elastic locking block to retreat and separate from limiting of the lock pin.
Preferably, in the latch assembly, the elastic locking block is limited and connected with an inertia opening preventing mechanism for limiting vibration of the elastic locking block to prevent free opening of the elastic locking block.
Preferably, in the above locking device assembly, the inertial unlocking prevention mechanism includes an inertial blocking piece and an inertial pressing block, the inertial blocking piece is rotatably connected with the locking shell structure through a central shaft, one end of the inertial blocking piece is clamped with a protruding shaft on the side surface of the elastic locking block, the other end of the inertial blocking piece is abutted against the inertial pressing block, and the inertial blocking piece is pushed to rotate around the central shaft through the abutting action of the inertial pressing block so as to abut against the elastic locking block in the locking direction.
Preferably, in the latch assembly, the inertial pressing block is attached to the surface of the inertial blocking piece, a groove is formed in the end surface of the inertial pressing block, which is used for abutting, a bump structure is arranged at a corresponding position of the inertial blocking piece, and abutting of the inertial pressing block and the inertial blocking piece is achieved through matching of the groove and the bump structure.
Preferably, in the latch assembly, the inertial blocking piece is C-shaped, and spans from the upper part and is located at two sides of the elastic locking block, a boss is arranged at the top of the elastic locking block, and the boss is used for propping against the middle part of the inertial blocking piece above to resist vibration.
Preferably, in the latch assembly, the buckle shell structure is provided with a square socket structure for inserting the lock tongue, and four inner sides of the square socket structure are respectively provided with an elastic sheet extending inwards along the insertion direction of the lock tongue and used for limiting and shockproof against the side face of the lock tongue.
Preferably, in the latch assembly, a widened step structure is arranged on a side surface of the latch and a base adjacent to the handheld position, and a limit protrusion matched with the step structure is arranged on an inner wall of the square socket structure.
The invention provides a locker assembly, which comprises a locker and a lock tongue, wherein the locker comprises a buckle shell structure and a lock hook; the lock hook is C-shaped, the lock catch also comprises a jacking block which is in tight fit with the end pin at one end of the lock hook, the jacking block is used for being pushed by the lock tongue so as to drive the lock hook to rotate, and the end pin at the other end of the jacking block is used for being inserted into a locking port of the lock tongue through rotation so as to complete locking; the top that the latch hook deviates from the terminal pin is connected with the elasticity locking piece, be provided with in the knot shell structure and be used for spacing the lockpin of elasticity locking piece, through the lockpin is spacing to elasticity locking piece, locking the position and the angle of latch hook. According to the technical scheme provided by the invention, the novel lock catch internal design is provided, the C-shaped lock catch is adopted, the lock catch is rotatably arranged in the lock catch shell, one end of the lock catch is used for being pushed by the ejector block to drive the lock catch to rotate, the other end of the lock catch reaches or leaves the locking port of the lock tongue when rotating so as to realize locking or unlocking, and meanwhile, the elastic locking block and the lock pin are matched, when the lock catch sinks to reach the locking position, the elastic locking block just reaches the height below the lock pin, and then the lock catch outwards pops out to stretch into the position below the lock pin under the self elastic action to realize locking, and when unlocking is needed, the lock catch can be unlocked only by pushing the elastic locking block backwards through the structure of an unlocking key and the like, so that the lock catch can reach the position outside the limit range of the lock pin. The design simplifies the locking principle, enables the locking mechanism to achieve stable and high-quality locking and unlocking by adopting a simple and high-integration mechanism design, and effectively solves the technical problems of overlarge volume and the like caused by the defects in the conventional lock catch structure.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic cross-sectional view of a latch assembly according to an embodiment of the present invention in a locked state;
FIG. 2 is a schematic cross-sectional view of a latch assembly according to an embodiment of the present invention in an unlocked state;
FIG. 3 is a schematic cross-sectional view of another latch assembly according to an embodiment of the present invention;
FIG. 4 is a schematic top view of a latch assembly with an inertia activated mechanism according to an embodiment of the present invention;
FIG. 5 is a schematic diagram illustrating an internal structure of a latch assembly with an inertia activated mechanism according to an embodiment of the present invention;
FIG. 6 is a schematic diagram illustrating an internal structure of a latch assembly with an inertia activated mechanism according to an embodiment of the present invention;
FIG. 7 is a schematic view of an internal part of a latch assembly according to an embodiment of the present invention;
FIG. 8 is a schematic view of an internal part of a latch assembly according to an embodiment of the present invention;
Fig. 9 is a schematic diagram of an internal partial structure of a latch assembly according to an embodiment of the present invention.
The figures are marked as follows:
The lock tongue 1, the buckle shell structure 2, the end leg 3, the locking notch 4, the jacking block 5, the lock hook 6, the lock pin 7, the elastic locking block 8, the compression spring 9, the mounting plate 10, the limit post 11, the unlocking button 12, the push block 13, the inertia catch 14, the inertia press block 15, the groove 16, the bump structure 17, the protruding shaft 18, the middle shaft 19, the square socket structure 20, the elastic piece 21, the boss 22 and the rib structure 23.
Detailed Description
The embodiment of the invention discloses a locker assembly, which aims to solve the technical problems of overlarge volume and the like caused by defects in the conventional locker structure.
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 9, fig. 1 is a schematic cross-sectional view illustrating a latch assembly in a locked state according to an embodiment of the present invention; FIG. 2 is a schematic cross-sectional view of a latch assembly according to an embodiment of the present invention in an unlocked state; FIG. 3 is a schematic cross-sectional view of another latch assembly according to an embodiment of the present invention; FIG. 4 is a schematic top view of a latch assembly with an inertia activated mechanism according to an embodiment of the present invention; FIG. 5 is a schematic diagram illustrating an internal structure of a latch assembly with an inertia activated mechanism according to an embodiment of the present invention; FIG. 6 is a schematic diagram illustrating an internal structure of a latch assembly with an inertia activated mechanism according to an embodiment of the present invention; FIG. 7 is a schematic view of an internal part of a latch assembly according to an embodiment of the present invention; FIG. 8 is a schematic view of an internal part of a latch assembly according to an embodiment of the present invention; fig. 9 is a schematic diagram of an internal partial structure of a latch assembly according to an embodiment of the present invention.
The embodiment of the invention provides a locker assembly, which comprises a locker and a lock tongue 1, wherein the locker comprises a buckle shell structure 2 and a lock hook 6; the lock hook 6 is in a C shape, the lock catch also comprises a jacking block 5 which is in tight fit with the end leg 3 at one end of the lock hook 6, the jacking block 5 is used for being pushed by the lock tongue 1 to drive the lock hook 6 to rotate, and the end leg 3 at the other end is used for being inserted into the locking opening 4 of the lock tongue 1 through rotation to complete locking; the top that latch hook 6 deviates from terminal pin 3 is connected with elastic locking piece 8, be provided with in the knot shell structure 2 and be used for spacing elastic locking piece 8's lockpin 7, through lockpin 7 is to elastic locking piece 8's spacing, locking latch hook 6's position and angle.
In the technical scheme that this embodiment provided, provide a novel hasp internal design, it adopts the latch hook 6 of C type, latch hook 6 is detained the inside rotatable setting of shell, one end is used for being promoted with the rotation of drive latch hook 6 by kicking block 5, the other end reachs or leaves the fore shaft 4 position of spring bolt 1 when rotating, in order to realize locking or unblock, cooperate elastic locking piece 8 and lockpin 7 simultaneously, when latch hook 6 sinks to reach the lock location, elastic locking piece 8 reaches the height of lockpin 7 below just, it pops outwards under self elastic action at this moment and stretches into lockpin 7 below and realize the locking, when needs the unblock, only need to promote elastic locking piece 8 backward through the structure of unblock button etc. for it reaches lockpin 7 spacing scope and can realize the unblock. The design simplifies the locking principle, enables the locking mechanism to achieve stable and high-quality locking and unlocking by adopting a simple and high-integration mechanism design, and effectively solves the technical problems of overlarge volume and the like caused by the defects in the conventional lock catch structure.
In order to further optimize the above technical solution, it is preferable that, in the above latch assembly, the latch hook 6 is provided at a top end facing away from the terminal pin 3, and a mounting plate 10 extending along a direction facing away from the terminal pin 3, and the elastic locking block 8 is mounted and connected to the mounting plate 10 by a compression spring 9.
In the technical scheme provided by the embodiment, the design of the lock hook 6 is further optimized, the elastic unlocking is quickly installed on the protruded installation plate 10, the angle of the installation plate 10 is perpendicular to the upper plane of the middle part of the lock hook 6, the connection is realized through the compression spring 9, and the compression force is provided, so that the elastic lock tongue 1 can pop up to enter the limit range after reaching the lower space of the lock pin 7.
In order to further optimize the above technical solution, it is preferable that, in the above latch assembly, a vertically extending limit post 11 is provided on the mounting plate 10, the elastic locking block 8 is slidably connected with the limit post 11, and the compression spring 9 is sleeved on the limit post 11, and two ends of the compression spring respectively abut against the mounting plate 10 and the elastic locking block 8.
In the technical scheme that this embodiment provided, further optimized the connection of elasticity locking piece 8 with mounting panel 10, set up the structure of spacing post 11, locate spacing post 11 with compression spring 9 cover outside, spacing post 11 and elasticity locking piece 8 sliding connection provide the activity of vertical direction to spacing in the horizontal plane, guarantee elasticity locking piece 8 resilience and compression have better straightness accuracy, guarantee the steady smoothness of mechanism work.
In order to further optimize the above technical solution, in the above embodiment, preferably, in the latch assembly, an unlock button 12 is connected to an outer side surface of the buckle shell structure 2, the unlock button 12 is slidably matched with the buckle shell structure 2, and one end of the unlock button 12 extending into the buckle shell structure 2 is matched with the elastic locking block 8, so as to push the elastic locking block 8 to retract and separate from the limit of the lock pin 7.
In the technical scheme provided by the embodiment, the design of the unlocking function is further optimized, and the elastic locking block 8 is pushed by adopting the structure of the unlocking button 12 which is in sliding fit with the buckling shell structure 2 so as to push the locking block to translate, so that unlocking is realized.
The matched end surfaces of the unlocking button 12 and the elastic locking block 8 are further optimized on the basis, the pushing block 13 is arranged at the inner end of the unlocking button 12, the end surface of the pushing block 13 is wedge-shaped, the corresponding end surface of the elastic locking block 8 is also wedge-shaped, and therefore upward pressure can be synchronously provided when the elastic locking block 8 is pushed to retreat through the unlocking button 12, and once the elastic locking block 8 is separated from the lock pin 7 to limit, the elastic locking block can immediately move upward, and accordingly the rotary unlocking of the lock hook 6 is driven.
In order to further optimize the above technical solution, it is preferable that, in the above embodiment, in the latch assembly, the elastic locking block 8 is limited and connected with an inertia opening preventing mechanism, so as to limit the vibration of the elastic locking block 8 to prevent the free opening.
In the technical scheme provided by the embodiment, in order to prevent the abnormal unlocking caused by the inertia of the mechanism inside the lock catch for the automatic unlocking of the lock catch possibly occurring in the reciprocating vibration, the anti-inertia unlocking mechanism is arranged, and the abnormal unlocking is prevented, and is realized through the mechanism connected with the elastic locking block 8, so that the action of the elastic locking block 8 is effectively stabilized, and the safety of the lock catch is improved.
In order to further optimize the above technical solution, in the above embodiment, it is preferable that, in the latch assembly, the inertia opening prevention mechanism includes an inertia blocking piece 14 and an inertia pressing block 15, the inertia blocking piece 14 is rotatably connected with the latch shell structure 2 through a central shaft 19, one end of the inertia blocking piece 14 is clamped with a protruding shaft 18 on the side surface of the elastic locking block 8, the other end of the inertia blocking piece 14 abuts against the inertia pressing block 15, and the inertia blocking piece 14 is pushed to rotate around the central shaft 19 by the abutting action of the inertia pressing block 15 so as to abut against the elastic locking block 8 in the locking direction.
In the technical scheme provided by the embodiment, the structural design and principle of the inertial unlocking prevention mechanism are further specifically optimized, the inertial unlocking prevention mechanism mainly comprises an inertial blocking piece 14 and an inertial pressing block 15, the self mass of the elastic pressing block provides a force opposite to the inertial direction of the elastic locking block 8, so that inertial unlocking caused by the locking block is prevented, the inertial unlocking is specifically realized through the lever principle, a middle shaft 19 is arranged in the middle of the inertial blocking piece 14 and is rotationally connected with the buckle shell structure 2, one end of the middle shaft is clamped with the side surface of the elastic locking block 8 through a protruding shaft 18, the release prevention and the rotation freedom are realized, the other end of the middle shaft abuts against the inertial pressing block 15, the inertial blocking piece 14 abuts against the inertial pressing block 15 and the elastic locking block 8 in the same direction, and the inertial pressing block 15 has larger mass relative to the elastic locking block 8 in a preferred design, so that the inertial pressing block 15 can firmly abut against and offset the inertial action of the elastic locking block 8 when the elastic locking block 8 has the release tendency of releasing the locking position due to motion.
In order to further optimize the above technical solution, in the above latch assembly, preferably, the surface of the inertial pressing block 15 is attached to the surface of the inertial blocking piece 14, a groove 16 is formed in the end surface of the inertial pressing block 15 for abutting, a bump structure 17 is disposed at a corresponding position of the inertial blocking piece 14, and abutting between the inertial pressing block 15 and the inertial blocking piece 14 is achieved through cooperation between the groove 16 and the bump structure 17.
In the technical scheme provided by the embodiment, the matching mode of the inertia pressing block 15 and the inertia blocking piece 14 is further optimized, the tight fit is realized through the design of the groove 16 and the convex point structure 17, and the design and the processing are simple and the assembly are easy, and the stable use effect is realized.
In order to further optimize the above technical solution, it is preferable that, in the latch assembly according to the above embodiment, the inertial blocking piece 14 is C-shaped, and spans from above and is located at two sides of the elastic locking piece 8, a boss 22 is disposed at the top of the elastic locking piece 8, and the boss 22 is used for propping against the middle of the inertial blocking piece 14 above and preventing vibration.
In the technical scheme provided by the embodiment, the overall design of the inertia separation blade 14 is further optimized, the structure of the inertia separation blade 14 is further optimized, the inertia separation blade 14 is of a C shape and comprises left and right parts which are respectively arranged at two sides of the elastic locking block 8 and are connected into a whole through a middle connecting structure, the separation blade motion transmission which is arranged at the opposite single side is more stable, a boss 22 is arranged above the elastic locking block 8, the boss 22 can tightly jack the inertia separation blade 14 from one side of the middle part of the C-shaped inertia separation blade 14, the connected lock hook 6, the elastic locking block 8, the elastic separation blade and the inertia pressing block 15 are mutually propped, vibration caused by motion is reduced, and noise of a reduction mechanism in working is reduced.
In order to further optimize the above technical solution, it is preferable that, in the above embodiment, in the latch assembly, the buckle shell structure 2 is provided with a square socket structure 20 for inserting the lock tongue 1, and four inner sides of the square socket structure 20 are respectively provided with an elastic sheet 21 extending inwards along the insertion direction of the lock tongue 1, so as to be used for abutting against the side surface of the lock tongue 1 to limit and prevent vibration.
In the technical scheme that this embodiment provided, this design is mainly in order to reduce the vibration between spring bolt 1 inserted position and the spring bolt 1, and this square socket structure sets up in detaining shell structure 2 or also can cooperate unlock button 12 to set up in unlock button 12 one end or unlock button 12 and detain shell structure 2 handing-over position, all sets up the shell fragment 21 that stretches out at socket structure's medial surface all around, and the direction of stretching out forms spacingly towards the side formation that spring bolt 1 inserted the direction can effectively support spring bolt 1, prevents spring bolt 1 vibration collision socket production noise.
On the basis of the technical thought, a rib structure 23 can be further arranged at the part of the unlocking button 12 inserted into the buckle shell structure 2, the rib structure 23 is parallel to the unlocking button 12 and the pressing-in direction, the free amount of the unlocking button 12 moving up and down or left and right in the buckle shell structure 2 is limited through the structure, and the possibility of vibration is reduced.
In order to further optimize the above technical solution, it is preferable that, in the above embodiment, in the latch assembly, a widened step structure is disposed on a side surface of the lock tongue 1 and a base adjacent to the holding position, and a limit protrusion matched with the step structure is disposed on an inner wall of the square socket structure 20. In the technical scheme provided by the embodiment, the lock tongue 1 and the lock catch are mainly prevented from being inserted by mistake, so that the lock tongue 1 corresponding to the lock catch can be inserted into the lock catch, and the locking action is not abnormal.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. The latch assembly comprises a latch and a lock tongue, wherein the latch comprises a latch shell structure and a latch hook; the lock catch is characterized in that the lock catch is C-shaped, the lock catch also comprises a jacking block which is in jacking fit with an end pin at one end of the lock catch, the jacking block is pushed by the lock tongue so as to drive the lock catch to rotate, and the end pin at the other end of the lock catch is inserted into a locking opening of the lock tongue through rotation so as to complete locking; the top end of the lock hook, which is away from the end pin, is connected with an elastic locking block, a lock pin for limiting the elastic locking block is arranged in the buckle shell structure, and the lock pin is used for limiting the elastic locking block to lock the position and the angle of the lock hook;
the elastic locking block is connected with an inertia opening preventing mechanism and is used for limiting the vibration of the elastic locking block to prevent the elastic locking block from being opened freely;
The inertia opening prevention mechanism comprises an inertia blocking piece and an inertia pressing block, the inertia blocking piece is rotatably connected with the buckling shell structure through a central shaft, one end of the inertia blocking piece is clamped with a convex shaft on the side face of the elastic locking block, the other end of the inertia blocking piece is tightly abutted against the inertia pressing block, and the inertia blocking piece is pushed to rotate around the central shaft through the abutting action of the inertia pressing block so as to tightly abut against the elastic locking block in the locking direction;
The inertia pressing block is attached to the inertia blocking piece surface, a groove is formed in the end face, which is used for abutting, of the inertia blocking piece, a bump structure is arranged at the corresponding position of the inertia blocking piece, and the inertia pressing block is abutted to the inertia blocking piece through the matching of the groove and the bump structure;
The inertia separation blade is the C font, strides from the top and locates the both sides of elasticity locking piece, the top of elasticity locking piece is provided with the boss, the boss is used for with the top the inertia separation blade middle part offsets the shockproof.
2. The latch assembly of claim 1 wherein the latch hook is provided with a mounting plate extending in a direction away from the terminal pin, the resilient locking block being mounted to the mounting plate by a compression spring.
3. The latch assembly according to claim 2, wherein the mounting plate is provided with a vertically extending limit post, the elastic locking block is slidably connected with the limit post, and the compression spring is sleeved on the limit post, and two ends of the compression spring respectively abut against the mounting plate and the elastic locking block.
4. The latch assembly according to claim 2, wherein an unlocking button is connected to an outer side surface of the latch structure, the unlocking button is slidably engaged with the latch structure, and an end of the unlocking button extending into the latch structure is engaged with the elastic locking block to push the elastic locking block to retract and disengage from the lock pin.
5. The latch assembly of claim 1, wherein the buckle housing structure is provided with a square socket structure for inserting a latch, and four inner sides of the square socket structure are respectively provided with an elastic sheet extending inwards along the insertion direction of the latch for limiting and shockproof against the side surface of the latch.
6. The latch assembly of claim 5 wherein the base portion of the side of the latch adjacent the hand-held position is provided with a widened stepped structure and the inner wall of the square socket structure is provided with a stop tab that mates with the stepped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810348362.8A CN108372840B (en) | 2018-04-18 | 2018-04-18 | Lock catch device assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810348362.8A CN108372840B (en) | 2018-04-18 | 2018-04-18 | Lock catch device assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108372840A CN108372840A (en) | 2018-08-07 |
| CN108372840B true CN108372840B (en) | 2024-05-31 |
Family
ID=63032523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810348362.8A Active CN108372840B (en) | 2018-04-18 | 2018-04-18 | Lock catch device assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108372840B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113841973A (en) * | 2021-10-27 | 2021-12-28 | 中国建筑第四工程局有限公司 | Eye-splice type conduction device for all-dimensional operation belt |
| CN113984407B (en) * | 2021-10-27 | 2024-05-14 | 北京博科测试***股份有限公司 | Three-part quick-release lock |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11105667A (en) * | 1997-10-07 | 1999-04-20 | Nippon Seiko Kk | Buckle device |
| CN1608536A (en) * | 2003-10-24 | 2005-04-27 | 高田株式会社 | Shock-proof device in buckle, buckle and safety belt device |
| CN101878136A (en) * | 2007-11-27 | 2010-11-03 | 株式会社三松 | Belt buckle with antivibration device |
| KR20110046609A (en) * | 2009-10-29 | 2011-05-06 | 아우토리브 디벨롭먼트 아베 | Buckle For Safety Belt of Vehicle |
| CN102595954A (en) * | 2009-10-28 | 2012-07-18 | 芦森工业株式会社 | Buckle device |
| CN104544773A (en) * | 2013-10-29 | 2015-04-29 | 比亚迪股份有限公司 | Belt buckle device |
| CN105324051A (en) * | 2013-08-02 | 2016-02-10 | 高田株式会社 | Buckle and seatbelt device with same |
| CN208134284U (en) * | 2018-04-18 | 2018-11-23 | 重庆光大产业有限公司 | A kind of locker assembly |
-
2018
- 2018-04-18 CN CN201810348362.8A patent/CN108372840B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11105667A (en) * | 1997-10-07 | 1999-04-20 | Nippon Seiko Kk | Buckle device |
| CN1608536A (en) * | 2003-10-24 | 2005-04-27 | 高田株式会社 | Shock-proof device in buckle, buckle and safety belt device |
| CN101878136A (en) * | 2007-11-27 | 2010-11-03 | 株式会社三松 | Belt buckle with antivibration device |
| CN102595954A (en) * | 2009-10-28 | 2012-07-18 | 芦森工业株式会社 | Buckle device |
| KR20110046609A (en) * | 2009-10-29 | 2011-05-06 | 아우토리브 디벨롭먼트 아베 | Buckle For Safety Belt of Vehicle |
| CN105324051A (en) * | 2013-08-02 | 2016-02-10 | 高田株式会社 | Buckle and seatbelt device with same |
| CN104544773A (en) * | 2013-10-29 | 2015-04-29 | 比亚迪股份有限公司 | Belt buckle device |
| CN208134284U (en) * | 2018-04-18 | 2018-11-23 | 重庆光大产业有限公司 | A kind of locker assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108372840A (en) | 2018-08-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10023079B2 (en) | Child safety seat | |
| CN208134284U (en) | A kind of locker assembly | |
| US7568766B2 (en) | Armrest device | |
| CN108372840B (en) | Lock catch device assembly | |
| US10583883B2 (en) | Automatic system for hooking motorcycle bags | |
| JP5650180B2 (en) | Slide rail device for vehicle | |
| JP5613743B2 (en) | Slide rail device for vehicle | |
| CN213035694U (en) | Misuse prevention type automobile child safety seat base and automobile child safety seat | |
| WO2022252448A1 (en) | Folding support leg retraction mechanism | |
| WO2021051916A1 (en) | Safety belt self-locking tongue | |
| CN204136928U (en) | Vehicle, safety strap and buckle device thereof | |
| CN110185331B (en) | Electric anti-impact anti-theft bayonet lock plate | |
| CN108843147B (en) | Safety anti-theft lock | |
| CN108825002B (en) | Flat coded lock | |
| JP4325794B2 (en) | Vehicle seat locking device | |
| CN211196130U (en) | Novel automobile safety belt | |
| CN209799634U (en) | Lock catch for safety lock | |
| CN210918545U (en) | Turnover type luggage coded lock | |
| CN211313689U (en) | Lock core of vehicle door | |
| CN209799630U (en) | Novel double-opening safety lock | |
| CN109955748B (en) | Rotating mechanism of child seat | |
| CN220842767U (en) | Seat cushion lock of electric vehicle | |
| CN106761057B (en) | A kind of main lock of lifting spring external car engine cover | |
| CN219096544U (en) | ISOFIX button with two locks | |
| CN205637928U (en) | Automatic lock gyro wheel trigger device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |