CN107896455B - Lock catch structure and seat charger using same - Google Patents
Lock catch structure and seat charger using same Download PDFInfo
- Publication number
- CN107896455B CN107896455B CN201711366350.XA CN201711366350A CN107896455B CN 107896455 B CN107896455 B CN 107896455B CN 201711366350 A CN201711366350 A CN 201711366350A CN 107896455 B CN107896455 B CN 107896455B
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- elastic component
- connecting plate
- locking
- plate
- side plates
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- 239000013013 elastic material Substances 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 abstract description 5
- 230000001360 synchronised effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0204—Mounting supporting structures on the outside of casings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
- H02J7/0044—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction specially adapted for holding portable devices containing batteries
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Seats For Vehicles (AREA)
- Buckles (AREA)
Abstract
The invention relates to a lock catch structure, which comprises a bracket, a first elastic component, a control piece and a second elastic component, wherein the second elastic component drives the first elastic component and the control piece to move, automatic locking is realized when a product is clamped in place, and the control piece can drive the first elastic component and the second elastic component to move so as to unlock the product; the self-locking structure is synchronous and self-locking with product clamping, and the clamped product is always in a locking state under the condition of no external force, so that the locking structure has the advantages of stable clamping, firm locking and the like, and the product can be assembled in a non-blocking manner to prevent the product from being scratched, and is simple and reliable to operate.
Description
Technical Field
The invention relates to a locking structure, in particular to a locking structure with excellent anti-falling performance and capable of realizing automatic locking, and a seat cushion with the locking structure.
Background
The seat charger can clamp the corresponding electronic product, which is particularly important for users such as long-distance drivers, for example, when the line navigation is carried out by a mobile phone or a tablet, if the seat charger structure is adopted for clamping, the problem of inconvenient operation on the electronic product during driving is solved, and the problem of sliding possibly existing due to jolt of the electronic product during driving of a vehicle is avoided.
However, in various seat-charging products currently on the market, there is a problem of clamping stability of the electronic product, such as a problem that the electronic product is easy to release from the seat-charging and fail; therefore, the seat filling product with firm clamping stability is provided, and the seat filling product which is always firmly clamped unless being unlocked manually has great necessity.
Based on the above consideration, the present invention aims to provide a locking structure with a firm clamping and locking function, and a seat cushion with the structure, so as to overcome the problem that the seat cushion listed in the prior art is easy to loose and lose efficacy.
Disclosure of Invention
The invention provides a lock catch structure which can solve the problem that clamping loosening and failure are easy to occur due to poor clamping stability of a seat cushion in the prior art.
The invention also provides a seat cushion which has a stable locking structure and can realize firm clamping of corresponding electronic products, thereby solving the problem that the seat cushion structure in the prior art is easy to clamp, release and lose efficacy.
The lock catch structure comprises a bracket, a first elastic component, a control piece and a second elastic component, wherein the control piece comprises a top surface, a first side surface and a second side surface which are opposite to each other, the first side surface and the second side surface are provided with reverse slopes so as to form a triangular section together with the top surface, the second elastic component comprises an unlocking spring component, the first elastic component abuts against the first side surface, meanwhile, the second elastic component abuts against the second side surface, the first elastic component and the second elastic component are respectively and movably connected to the bracket, a lock hook is arranged on the first elastic component, and the first elastic component and the second elastic component can be driven to move along the first side surface and the second side surface which are abutted against by the first side surface by pressing the top surface so as to control unlocking of the lock hook; the unlocking spring component is pressed, and the second elastic component drives the control piece and the first elastic component to move so as to lock the lock hook.
The beneficial effects of the invention are as follows:
because the first elastic component and the second elastic component are arranged in the lock catch structure and are respectively positioned on two opposite sides with inclination of the control, the first elastic component is used for controlling locking and unlocking of the lock catch, the second elastic component is used for balancing and holding the first elastic component, and the lock catch structure is in a normal state in a working state, namely a locking state, the first elastic component is in a non-compression state due to no external force, the lock catch is always in the locking state due to the blocking of the first side, and the second elastic component is blocked at the second side to realize the stress balance of the control piece; if the locking structure is required to be unlocked, the control piece is pressed, and along with the downward movement of the first side surface, the first elastic component deflects upwards, so that the locking hook retracts to be unlocked, at the moment, the elastic body of the first elastic component is in a compressed state, the second elastic component moves in an upward translation mode along the second side surface, and meanwhile, the second elastic component has an elastic force retracting downwards; when the lock catch structure is in an unlocking state, a user can clamp a product, in the process of clamping, when the product is in place, the lock catch structure automatically returns to a locking state by the abutting and pressing of the product on the unlocking elastic member, so that the lock catch structure with the self-locking function is provided, and as long as the lock catch structure is unlocked without applying external force, firm and reliable locking can be always kept, so that the product can be installed in a non-blocking manner to prevent the product from being scratched, the operation is simple and reliable, and the problem that the seat-charging lock catch in the prior art is easy to loose and lose efficacy is solved.
The invention has the following additional beneficial effects:
the seat charger disclosed by the invention has excellent self-locking performance due to the adoption of the lock catch structure, and can always keep good locking under the condition of no manual external force unlocking, so that the problems that the clamping stability of the seat charger to an electronic product is poor and the electronic product is easy to loosen from the seat charger in the prior art are solved.
Drawings
In order to more clearly illustrate the technical scheme of the invention, the invention is further described below with reference to the accompanying drawings.
Fig. 1 is an exploded view of a latch structure of the present invention.
FIG. 2 is an assembled view of the latch structure of the present invention.
Fig. 3 is an exploded view of a first spring assembly of the present invention.
Fig. 4 is a perspective view of a first locker of the invention.
Fig. 5 is an exploded view of the control member of the present invention.
Fig. 6 is a perspective view of a control member of the present invention.
Fig. 7 is an exploded view of a second spring assembly of the present invention.
Fig. 8 is a perspective view of an unlocking spring member of the present invention.
Fig. 9 is a perspective view of a second locker of the invention.
Fig. 10 is a perspective view of a stent of the present invention.
Fig. 11 is another perspective view of the stent of the present invention.
Fig. 12 is a semi-assembled state diagram of the latch structure of the present invention.
Fig. 13 is a cross-sectional view of the latch structure of the present invention in a latched condition.
Fig. 14 is a cross-sectional view of the latch structure of the present invention in an unlatched condition.
Fig. 15 is a perspective view of the inventive seat cushion.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the following description of the latch structure and the seat using the same will be given with reference to the accompanying drawings and the specific embodiments.
It should be noted that, in this embodiment, a specific seat cushion is taken as an example, and the latch structure of the present invention is used in the seat cushion, and in the specific description of this embodiment, the latch structure will be described in detail, and then the seat cushion will be described.
Please refer to fig. 1 and 2, which illustrate a structure of a locking device in a seat cushion according to the present embodiment. The locking structure comprises a bracket 1, a first elastic component 2, a control piece 3, a second elastic component 4 and a cover plate 5, wherein an operation hole 51 is formed in the cover plate, the first elastic component 2 and the second elastic component 4 respectively lean against two sides of the control piece 3, the control piece 3 can drive the first elastic component 2 and the second elastic component 4 to respectively slide along the leaning surfaces of the first elastic component 2 and the second elastic component 4, the first elastic component 2 and the second elastic component 4 are movably connected to the bracket 1, the cover plate 5 is positioned on the bracket 1 and covers the first elastic component 2, the control piece 3 and the second elastic component 4, and meanwhile, the control piece 3 can be pressed through the operation hole 51, so that unlocking of the locking structure is realized.
Please refer to fig. 5 and 6, which are perspective views of the control member 3 according to the present embodiment. The control member 3 comprises a top surface 31, a first side surface 32 and a second side surface 33 which are opposite to each other, wherein the first side surface 32 and the second side surface 33 are provided with reverse slopes so as to form a triangular section together with the top surface 31; the top surface 31 is further provided with a protruding pressing block 311, the control member 3 further comprises a pressing cap 34 made of elastic materials, the pressing cap 34 is sleeved and fixed on the pressing block 311, and the control member 3 is further provided with a sliding plate 35 on two side surfaces perpendicular to the triangular section.
Referring to fig. 1, 3 and 4, specific structures of the respective components of the first elastic assembly according to this embodiment are shown. The first elastic component 2 includes a first locking member 21, a pressure spring 22 and a first fixed tooth bar 23, the first locking member 21 includes a locking hook 211, a first connecting plate 212, and two first side plates 213 disposed perpendicularly to the bottom surface of the first connecting plate 212 and opposite to each other, and the two first side plates 213 are located at the edges of the bottom surface of the first connecting plate 212; the latch hook 211 is formed by the forefront end of the first connecting plate 212, i.e. the forefront end of the first connecting plate 212 is a latch hook structure; the top surface of the first connecting plate 212 is further provided with a pressure spring hole 2121, the two first side plates 213 are also provided with first connecting holes 2131 which are opposite to each other at the same position, and a first hole site 214 is provided at the rear end of the first connecting plate 212;
the first fixed tooth bar 23 is a cylindrical pivot;
the pressure spring 22 is located in the pressure spring hole 2121, the first fixing tooth bar 23 penetrates through the first connecting hole 2131 to connect the first locking piece 21 with the bracket 1, and the first locking piece 21 can rotate around the first fixing tooth bar 23.
Further, the first hole 214 extends from the rear end of the first connecting plate 212 to the two first side plates 213, and is formed by connecting a connecting plate 2142, the connecting plate 2142 connects the two first side plates 213, and a portion of the first connecting plate 212 between the two first side plates 213 is an inclined surface 215 that matches with the first side surface.
Further, a skirt 2144 is disposed at the bottom end of each of the first side plate 213 and the connecting plate 2142 and is tightly attached to the inner side of the first hole 214, the first side plate 213 and the connecting plate 2142 and the skirt 2144 form an L-shaped cross-section, and the skirt 2144 on the first side plate 213 is provided with a downward slope toward the connecting plate 2142.
Referring to fig. 1, 7, 8 and 9, specific structures of the respective components of the second elastic assembly 4 are shown. The second elastic component 4 comprises a second locking piece 41, an unlocking spring member 42, a second fixed tooth bar 43 and a torsion spring 44;
the second locking member 41 includes a second connecting plate 411, and two second opposite side plates 412 perpendicular to the bottom surface of the second connecting plate 411, wherein the two second side plates 412 are located at the edges of the bottom surface of the second connecting plate 411, and a second connecting hole 4121 is formed in the same position on the two second side plates 412;
the unlocking spring member 42 comprises an unlocking spring 421 and a top block 422, the top block 422 comprises a bottom plate 423 and a top plate 424, and the bottom plate 423 is provided with a columnar boss 4231 and a stop block 4232;
the second fixed tooth bar 43 is also a cylindrical pivot;
the torsion spring 44 includes two elastic buttons 441;
the torsion spring 44 is located between the two second side plates 412, one of the elastic buttons 441 abuts against the second connecting plate 411, the second fixing tooth bar 43 penetrates through the second connecting hole 4121 and the torsion spring 44 and is fixed on the bracket 1, the unlocking spring member 42 is located on the second locking member 41 and abuts against the second connecting plate 411, and the second locking member 41 can rotate around the second fixing tooth bar 43 and simultaneously drives the unlocking spring member 42 and the torsion spring 44 to deform.
Further, the second connecting plate 411 includes a head 4111, one side of the head 4111 is provided with a hook 4113, and the other side is provided with a second inclined surface 4114 matching with the second side 33, and the second inclined surface 4114 abuts against the second side 33.
The unlocking spring 421 is sleeved on the columnar protrusion 4231, one end of the unlocking spring 421 abuts against the bottom plate 423, the other end of the unlocking spring 421 abuts against the second connecting plate 411, the second locking member 41 is located between the torsion spring 44 and the unlocking spring member 42, and two sides of the second connecting plate 411 abut against the unlocking spring 421 and the torsion spring 44 respectively.
Referring to fig. 1, 10 and 11, a perspective view of the bracket 1 according to the present invention is shown, so as to explain the structure of the bracket 1 according to the present invention in detail. The bracket 1 comprises a concave surface 11, the concave surface 11 is provided with a sinking groove 12, the sinking groove 12 comprises a bottom surface 121, a second hole 1211 is arranged on the bottom surface 121, and the second hole 1211 provides a larger accommodating space compared with the latch hook 211; the bottom 121 is further provided with two opposite third side plates 1212, and the two third side plates 1212 are also provided with a third connecting hole 1213 at the same position; the bottom 121 is further provided with two opposite fourth side plates 1214, and the two fourth side plates 1214 are also provided with a fourth connecting hole 1215 at the same position; a baffle 1216 is vertically disposed on the bottom surface 121, and the baffle 1216 is perpendicular to the two fourth side plates 1214 and connects the two fourth side plates 1214; the back surface of the bottom surface 121 is further provided with a step surface 1217, and a third hole site 1218 is formed on the step surface 1217.
Fig. 1, fig. 2, fig. 12 and fig. 13 are assembled views and locked state cross-sectional views of the latch structure according to the present invention. Under normal conditions, i.e. no external force, the locking structure is always in a locked state, and the assembly relationship of the locking structure in the state without external force will be described in detail below:
the first locking piece 21 is located between the two third side plates 1212, and the first fixing tooth bar 23 is respectively connected to the two third connecting holes 1213 and the two first connecting holes 1231, so as to movably connect the first locking piece 21 with the bracket 1, that is, the first locking piece 21 can generate axial rotation movement around the first fixing tooth bar 23;
similarly, the second locking member 41 is located between the two fourth side plates 1214, and the second fixing tooth bar 43 is respectively connected to the two fourth connecting holes 1215 and the two second connecting holes 4121, so as to movably connect the second locking member 41 with the bracket 1, that is, the second locking member 41 can axially rotate around the second fixing tooth bar 43;
meanwhile, the inclined surface 215 on the first elastic component 2 abuts against the first side surface 32, the second inclined surface 4114 on the second elastic component 4 abuts against the second side surface 33, and the first elastic component 2 and the second elastic component 4 are relatively stably in a balanced state due to no external force;
the pressure spring 22 is in a non-compressed state and is positioned in the pressure spring hole 2121, and the cover plate 5 is abutted against the pressure spring 22 and fixed on the concave surface 11, so that two ends of the pressure spring 22 are respectively abutted against the bottom surface of the pressure spring hole 2121 and the cover plate 5 and are in a natural non-compressed state in the current locking state;
the pressing cap 34 is fixed on the pressing block 311 in a sleeved mode to form an integral structure, and the pressing cap 34 penetrates through the operation hole 51 and protrudes out of the surface of the cover plate 5, so that good pressing operation handfeel is provided for a user to operate the pressing cap 34 when the user needs to unlock the locking device;
the latch hook 211 is located in the second hole 1211, and the latch hook 211 protrudes out of the bottom 121 to provide better locking performance for the product clamped by the latch hook 211; the second hole 1211 is larger than the latch hook 211 so as to provide convenience for the latch hook 211 to freely penetrate through the second hole 1211 and protrude from the bracket 1 to realize the current locking function, and for the latch hook 211 to retract from the second hole 1211 to realize the unlocking function when necessary;
in the present invention, since the first locking member 21 can rotate around the axial direction of the first fixed tooth bar 23, the first locking member 21 is limited by the inclined surface 215 abutting against the first side surface 32 at one end thereof and balanced by the pressure spring 22 at the other end thereof with respect to the first fixed tooth bar 23, so that the first elastic member 2 is in a balanced locking state;
in the present invention, since the second locking member 41 can rotate around the axial direction of the second fixed tooth bar 43, with respect to the second fixed tooth bar 43, the second locking member 41 abuts against the second side surface 33 at one end of the second locking member 41 against the head 4111 by using the second inclined surface 4114 to perform rotation blocking restriction, and abuts against the torsion spring 44 at both sides of the second locking member 41 by using the unlocking spring 421 at the other end thereof to perform balance, and one of the two elastic buttons 441 abuts against the second connecting plate 411 and the other abuts against the baffle 1216, so that the second elastic member 4 has a function of controlling the balance of the whole structure; the top block 422 is located in the third hole 1218 and is flush with the step surface 1217 in the locked state, and the abutment of the unlocking spring 421, the torsion spring 44, the second inclined surface 4114 and the second side surface 33 together provide the balance of the second locking member 41 in the locked state;
the control member 3 is located in the first hole site 214; the first hole is larger than the control member 3 so as to provide a moving accommodation space for the head 4111 of the second locking member 41; thus, in the current locked state, the head 4111 and the first hole 214 are opposite to each other; meanwhile, the sliding plate 35 is attached to the skirt 2144 on the first side plate 213, and can slide relatively along the skirt 2144 on the first side plate when an external force acts.
Obviously, a small pre-compression of the pressure spring 22 in the currently locked state is also possible, but the overall balance of the locking structure is not affected.
The above description is directed to the normal condition of the latch structure, that is, the locked state or the locked assembly relationship without external force, and the assembly action relationship under the unlocked condition of the latch structure will be specifically described below.
Fig. 1, fig. 2, fig. 12 and fig. 14 are assembled views and sectional views of an unlocked state of the latch structure according to the present invention. When the latch structure needs to be unlocked, a user needs to apply a downward pressing force perpendicular to the cover plate to the pressing cap 34 to unlock, and the following details will be given about the movement of each member, i.e. the mutual assembly relationship:
in synchronization with the downward movement of the control member due to the force, the end of the first locking member 21 abutting against the first side surface 32 moves downward, that is, the end performs a downward corresponding deflection action around the first fixed tooth bar 23, at this time, the locking hook 211 moves upward, so as to retract and unlock from the second hole position 1211, and the pressure spring 22 deforms and contracts upward;
also, as can be appreciated, as the second inclined surface 4114 moves along the second side surface 33, and the skirt 2144 on the first side plate 213 slides along the slide plate 35, the second locking member 41 will deflect rightward around the second fixed tooth bar 43 along the second side surface 33 by one end of the head portion 4111 until the head portion 4111 is received in the first hole 214 and is locked with the skirt 2144 on the connecting plate 2141, thereby realizing the unlocked state of the locking structure; the top block 422 is forced by the second locking device 41 to move outwards along the third hole 1218 until the stop block 4232 abuts against the bottom surface 121 to achieve a stop limit.
When the locking structure of the present invention is in the unlocking state, a user can clamp the electronic product, at this time, the electronic product abuts against the top plate 424 and applies an external force to the electronic product towards the step surface 1217, the unlocking spring 421 transmits a force to the second locking member 41 to unlock the locking of the hook 4113 and the skirt 2144, and the pressure spring 22 drives the first locking member 21 to synchronously move due to the resilience force of deformation compression, and when the electronic product abuts against the step surface 1217, the locking hook 211 simultaneously locks the electronic product, so that the locking structure of the present invention realizes the locking state.
The latch structure and the operation principle thereof according to the present invention are described in detail above, and an embodiment of the latch structure applied to the seat cushion will be described below.
Referring to fig. 15, an embodiment of a base assembly is shown, which includes a base 100 and a supporting arm 200, wherein the base 100 is provided with a placement groove 110, the locking structure 300 of the present invention is connected to the supporting arm 200, and the locking hook 211 corresponds to the placement groove 110 in position so as to achieve a better locking effect on a product; therefore, one end of the product is located in the placement groove 110, and the other end of the product is clamped by the latch hook 211 and the top plate 424 together, so that better locking stability is achieved.
It should be noted that, in the preferred embodiment of the application, the technical design thought is to start with the problems that the product clamping stability is poor and the product is easy to fall off and clamping failure in the seat filling structure in the prior art, and the smart structural design of the spring, the dental bar and other components and the product is adopted to perform preferred combination, so that the novel lock catch structure capable of being unlocked through top pressing and self-locking in the product clamping process is provided, and the specific embodiment of the novel lock catch structure is suitable for the seat filling, so that the novel lock catch structure has stable and reliable excellent clamping performance, always keeps a self-locking state in the product clamping and using process, and enables the product to be installed in a non-blocking mode, thereby effectively preventing the product from being scratched in the clamping process, and is easy and convenient to operate.
The embodiment of the invention only enumerates a specific structural form, obviously, the lock catch structural form is not limited to the above embodiment, but is a seat cushion product which needs to provide stable and reliable clamping effect, and can be variously expanded and extended by referring to the technical scheme of the application, so that any structure and application thereof derived from the lock catch structure and the seat cushion can be understood as the change and expansion according to the idea of the invention, and the invention belongs to the protection scope of the application.
Claims (12)
1. A latch structure, characterized in that: the device comprises a bracket, a first elastic component, a control piece and a second elastic component, wherein the control piece comprises a top surface, a first side surface and a second side surface which are opposite to each other, the first side surface and the second side surface are provided with reverse slopes so as to form a triangular section together with the top surface, the second elastic component comprises an unlocking spring component, the first elastic component abuts against the first side surface, and simultaneously the second elastic component abuts against the second side surface, the first elastic component and the second elastic component are respectively and movably connected to the bracket, a lock hook is arranged on the first elastic component, and the first elastic component and the second elastic component can be driven to move along the first side surface and the second side surface which are abutted against by the first side surface by pressing the top surface so as to control unlocking of the lock hook; the unlocking spring component is pressed, and the second elastic component drives the control piece and the first elastic component to move so as to lock the lock hook; the lock catch structure further comprises a cover plate, an operation hole is formed in the cover plate, the cover plate is fixed on the support, and the operation hole can be used for pressing the top surface; the first elastic component comprises a pressure spring, a first locking piece and a first fixed tooth bar, wherein the first locking piece comprises a first connecting plate and two mutually opposite first side plates which are perpendicular to the bottom surface of the first connecting plate; the support comprises a concave surface, wherein a sinking groove is formed in the concave surface, the sinking groove comprises a bottom surface, and two fourth side plates which are opposite to each other are further arranged on the bottom surface of the sinking groove.
2. The latch mechanism according to claim 1, wherein: and two first side plates are located at the edge of the bottom surface of the first connecting plate, the lock hook is formed by the forefront end of the first connecting plate, a pressure spring hole is further formed in the top surface of the first connecting plate, two first connecting holes which are opposite to each other are formed in the same position in the first side plates, a first hole position is formed in the position, close to the rear end, of the first connecting plate, the first fixed tooth bar is a cylindrical pivot, the pressure spring is located in the pressure spring hole, the first fixed tooth bar penetrates through the first connecting hole to connect the first lock fastener with the support, and the first lock fastener can rotate around the first fixed tooth bar.
3. The latch mechanism according to claim 2, wherein: the first hole site extends from the rear end of the first connecting plate and is formed by connecting two first side plates through a connecting plate, the connecting plate is connected with the two first side plates, the part of the first connecting plate between the two first side plates is an inclined plane matched with the first side surface, and the inclined plane is propped against the first side surface so that the control piece is positioned in the first hole site.
4. A latch mechanism according to claim 3, wherein: the inner sides of the first hole sites, the two first side plates and the connecting plate are respectively arranged at the bottom ends of the first side plates and cling to the inner sides of the first hole sites, the first side plates and the connecting plate are respectively in L-shaped section with the skirt edges, and the skirt edges on the first side plates are provided with downward gradient towards the connecting plate.
5. The latch mechanism according to claim 4, wherein: the top surface of the control piece is also provided with a convex pressing block, the control piece further comprises a pressing cap made of elastic materials, the pressing cap is sleeved and fixed on the pressing block, the control piece is further provided with a sliding plate on two side surfaces perpendicular to the triangular section respectively, the sliding plate is attached to the skirt edge on the first side plate, and the sliding plate can slide relatively along the skirt edge on the first side plate.
6. The latch mechanism according to claim 5, wherein: the second elastic component further comprises a second locking piece, a second fixed tooth bar and a torsion spring, the second locking piece comprises a second connecting plate and two mutually opposite second side plates perpendicular to the bottom surface of the second connecting plate, the two second side plates are located at the edges of the bottom surface of the second connecting plate, the two second side plates are respectively provided with a second connecting hole which is mutually opposite at the same position, the second fixed tooth bar is also a cylindrical pivot, the torsion spring comprises two elastic torsion buckles, the torsion spring is located between the two second side plates, one of the two elastic torsion buckles abuts against the second connecting plate, the other of the two elastic torsion buckles abuts against the support, the second fixed tooth bar penetrates through the second connecting holes and the torsion spring and is fixed on the support, the unlocking spring member is located on the second locking piece and abuts against the second connecting plate, and the second locking piece can rotate around the second fixed tooth bar to drive the unlocking spring member to deform simultaneously.
7. The latch mechanism according to claim 6, wherein: the second connecting plate comprises a head, one side of the head is provided with a clamping hook, the other side of the head is a second inclined plane matched with the second side, the second inclined plane abuts against the second side, when the control piece is pressed to unlock, the second inclined plane moves along the second side, and meanwhile, the skirt edge on the first side plate slides along the sliding plate until the clamping hook is buckled at the skirt edge to unlock.
8. The latch mechanism according to claim 7, wherein: the unlocking spring component comprises an unlocking spring and a jacking block, the jacking block comprises a bottom plate, a columnar bulge is arranged on the bottom plate, the unlocking spring is sleeved on the columnar bulge in a ring mode, one end of the unlocking spring is abutted to the bottom plate, the other end of the unlocking spring is abutted to the second connecting plate, the second locking piece is located between the torsion spring and the unlocking spring component, and two sides of the second connecting plate are abutted to the unlocking spring and the torsion spring respectively.
9. The latch mechanism according to claim 8, wherein: the bottom surface is provided with a second hole position, the second hole position is larger than the lock hook, the lock hook can freely penetrate through the second hole position and protrude out of the support to achieve locking function, the lock hook can retract from the second hole position to achieve unlocking function, the cover plate is pressed against the pressure spring and fixed on the concave surface, and meanwhile the pressing block protrudes out of the surface of the cover plate from the operation hole.
10. The latch mechanism according to claim 9, wherein: the back of the bottom surface is also provided with a step surface, a third hole site is formed in the step surface, the top block further comprises a top plate, a stop block is further arranged on the bottom plate, the top block is positioned in the third hole site, and the top plate is flush with the step surface when the locking structure is locked; when the locking is unlocked, the top block protrudes out of the step surface, and meanwhile, the stop block is resisted at the edge of the third hole site.
11. The latch mechanism according to claim 10, wherein: the bottom surface is also provided with two mutually opposite third side plates, the two third side plates are also respectively provided with a third connecting hole at the same position, the first locking piece is positioned between the two third side plates, and the first fixed tooth bar is respectively connected with the two third connecting holes and the two first connecting holes.
12. A seat cushion, comprising a base and a supporting arm, wherein a placing groove is arranged on the base, the locking structure as claimed in any one of claims 1 to 11 is arranged on the supporting arm, and the locking hook in the locking structure corresponds to the placing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711366350.XA CN107896455B (en) | 2017-12-18 | 2017-12-18 | Lock catch structure and seat charger using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711366350.XA CN107896455B (en) | 2017-12-18 | 2017-12-18 | Lock catch structure and seat charger using same |
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| Publication Number | Publication Date |
|---|---|
| CN107896455A CN107896455A (en) | 2018-04-10 |
| CN107896455B true CN107896455B (en) | 2024-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711366350.XA Active CN107896455B (en) | 2017-12-18 | 2017-12-18 | Lock catch structure and seat charger using same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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