CN110588461A - Automobile safety belt lock catch, safety belt and automobile child safety seat - Google Patents
Automobile safety belt lock catch, safety belt and automobile child safety seat Download PDFInfo
- Publication number
- CN110588461A CN110588461A CN201910975106.6A CN201910975106A CN110588461A CN 110588461 A CN110588461 A CN 110588461A CN 201910975106 A CN201910975106 A CN 201910975106A CN 110588461 A CN110588461 A CN 110588461A
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- locking
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- seat
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- 230000007246 mechanism Effects 0.000 claims abstract description 94
- 238000009434 installation Methods 0.000 claims abstract description 3
- 230000005540 biological transmission Effects 0.000 claims description 36
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000001125 extrusion Methods 0.000 claims description 3
- 230000006872 improvement Effects 0.000 description 8
- 230000006378 damage Effects 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 230000001012 protector Effects 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
- B60N2/26—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles for children
- B60N2/28—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle
- B60N2/2803—Adaptations for seat belts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
- B60N2/26—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles for children
- B60N2/28—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle
- B60N2/2821—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle having a seat and a base part
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
- B60N2/26—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles for children
- B60N2/28—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle
- B60N2/2866—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle booster cushions, e.g. to lift a child to allow proper use of the conventional safety belts
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- 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
- B60R22/10—Safety belts or body harnesses in vehicles specially adapted for children or animals
- B60R22/105—Safety belts or body harnesses in vehicles specially adapted for children or animals for children
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Child & Adolescent Psychology (AREA)
- General Health & Medical Sciences (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Seats For Vehicles (AREA)
Abstract
The invention discloses a car safety belt lock catch, a safety belt and a car child safety seat, wherein the car safety belt lock catch comprises a lock body and a lock tongue, a central hole in the base, an inserting slot hole arranged at one side of the bottom of the base, an installation groove arranged at the lower part of the base, a locking mechanism is arranged in the mounting groove, a telescopic pressing mechanism is movably arranged on the locking mechanism, an accommodating groove is arranged in the upper part of the base, a pressing plate is movably arranged in the containing groove, a driving mechanism is arranged between the pressing plate and the telescopic pressing mechanism, a locking groove is arranged in the base outside the central hole, a limiting mechanism is arranged in the locking groove, an unlocking groove hole communicated with the locking groove is arranged in the base, an unlocking mechanism is arranged in the unlocking slotted hole, one side of the unlocking slotted hole penetrates through the outer wall of the base, a communicating hole is arranged at the position of the pressing plate corresponding to the central hole, and a movable closing mechanism is arranged in the pressing plate. The invention effectively prevents children from pressing by mistake, thereby effectively reducing the accidents caused by the pressing.
Description
Technical Field
The invention relates to the field of automobile seats, in particular to an automobile safety belt lock catch, and further relates to a safety belt comprising the automobile safety belt lock catch, and further relates to an automobile child safety seat comprising the safety belt.
Background
The speed of modern automobiles is very fast, and once a collision or sudden braking occurs, the automobile body stops moving suddenly, and the body of a passenger continues to move forwards due to inertia and collides with the automobile body in the automobile. In order to prevent similar injuries during collision or emergency braking, passengers must use safety belts, so that the safety belts play a role in buffering the people and prevent secondary injuries when traffic accidents happen.
Children take automobiles and have special child safety seats, but in view of the nature of child's liveliness and the factor that the safety belt lock catch structure used on the traditional automobile child seat is opened comparatively easily, the safety belt buckle can be pressed by mistake at any time in the process of taking a car, so that the safety belt is unlocked and popped up, thereby leading to the safety belt to lose the protective action to children, and having great potential safety hazard.
Therefore, the existing automobile safety belt lock catch, the safety belt and the automobile child safety seat are to be further improved.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide the automobile safety belt lock catch which is simple in structure and can effectively prevent children from mistakenly pressing and unlocking;
accordingly, another object of the present invention is to provide a seat belt and a child car seat including the above-mentioned car seat belt buckle.
In order to achieve the above object, the present invention adopts the following scheme with respect to an automobile seat belt buckle:
the utility model provides a car blet hasp, including lock body and spring bolt, its characterized in that: the lock body comprises a base, a central hole is arranged in the base, an inserting groove hole for inserting a lock tongue is arranged on one side of the bottom of the base, a mounting groove communicated with the inserting groove hole is arranged at the position corresponding to the inserting groove hole at the lower part of the base, the mounting groove is communicated with the central hole, a locking mechanism capable of setting the lock tongue in the inserting groove hole is arranged in the mounting groove, a telescopic pressing mechanism capable of extending into the central hole and driving the locking mechanism to be unlocked with the lock tongue when receiving downward acting force is movably arranged on the locking mechanism, a containing groove is arranged in the upper part of the base, a pressing plate capable of moving up and down relative to the base is movably arranged in the containing groove, a driving mechanism capable of driving the telescopic pressing mechanism to move is arranged between the pressing plate and the telescopic pressing mechanism, a locking groove is arranged in the base outside the central hole, and a limiting mechanism capable of limiting, the base is internally provided with an unlocking groove hole communicated with the locking groove, the unlocking groove hole is internally provided with an unlocking mechanism capable of unlocking the locking state of the limiting mechanism, one side of the unlocking groove hole penetrates through the outer wall of the base, a communicating hole is arranged at the position of the pressing plate corresponding to the central hole, and the pressing plate is internally provided with a movable closing mechanism capable of movably closing the communicating hole.
As another improvement of the automobile safety belt lock catch, the locking mechanism comprises a lock hook hinged in the installation groove through hinge shafts on two sides, a spring groove is arranged in the base and corresponds to the front end of the lock hook, a locking jacking spring is arranged in the spring groove, and the lower end of the locking jacking spring is jacked on the upper end face of the front end of the lock hook.
As another improvement of the automobile safety belt lock catch, the telescopic pressing mechanism comprises a pressing seat, transmission racks are arranged on the upper portion of one side of the pressing seat at intervals from left to right, elongated slots are formed in the positions, corresponding to the transmission racks, of the upper end face of the lock hook, the transmission racks are arranged in the elongated slots in a sliding mode, a guide rod is arranged on the pressing seat on the lower side of the transmission racks, a limiting end head is arranged at the outer end portion of the guide rod, a guide hole penetrating through the lock hook is formed in the position, corresponding to the guide rod, of the lock hook, an end slot hole communicated with the guide hole is formed in the front end of the lock hook, and the limiting end head.
As another improvement of the automobile safety belt lock catch, the driving mechanism comprises a long transmission gear arranged in a mounting groove above a transmission rack, the long transmission gear is movably arranged in a lock hook or the mounting groove through a rotating shaft, the long transmission gear is meshed with the transmission rack, a abdicating groove penetrating through the lock hook up and down is arranged on the lock hook between the other two long grooves, a communication groove hole communicating the accommodating groove and the mounting groove is arranged at a position of the base corresponding to the abdicating groove, a driving rack is arranged in the communication groove hole and the abdicating groove, the driving rack is meshed with the long transmission gear, and the upper end of the driving rack is connected to the lower end face of the pressing plate.
As another improvement of the automobile safety belt lock catch, the limiting mechanism comprises a locking gear ring groove arranged in a base on one side of a locking groove, an axial groove is formed in the base in the middle of the locking gear ring groove, an unlocking groove hole is communicated with the axial groove, a long rotating shaft is movably arranged in the axial groove, a long locking gear is arranged in the middle of the long rotating shaft, a spring assembling groove is formed in the base on one side of the long locking gear, a locking extrusion spring capable of driving the long locking gear to move towards the locking gear ring groove is arranged in the spring assembling groove, a locking rack is arranged in the locking groove on one side of the long locking gear, the locking rack is always meshed with the long locking gear, the upper end of the locking rack is connected to the lower end face of a pressing plate, and a reset spring is arranged between the lower end of the locking rack and the locking.
As another improvement of the automobile safety belt lock catch, the unlocking mechanism comprises a driving head arranged in the unlocking slot hole, and the driving head is connected with the rotating long shaft.
As another improvement of the car seat belt buckle of the invention, the movable closing mechanism comprises a first transverse groove hole and a second transverse groove hole which are arranged in the left side and the right side of the pressing plate at intervals up and down, the first transverse groove hole and the second transverse groove hole are respectively communicated with the communicating hole, a first closing plate is arranged in the first transverse groove hole, a first through hole is arranged on the first closing plate, a first abdicating notch which enables the first closing plate to synchronously move along with the pressing plate is arranged at the corresponding position of the base and the first closing plate, a first jacking spring which can drive the first closing plate to jack towards the outer side of the first transverse groove hole so as to enable the first through hole and the communicating hole to be dislocated is arranged between the first transverse groove hole and the end part of the first closing plate, a second closing plate is arranged in the second transverse groove hole, a second through hole is arranged on the second closing plate, and a second abdicating notch which enables the second closing plate to synchronously move along with the pressing plate is arranged on the corresponding position of the base and the second closing plate, a second jacking spring which can drive the second closing plate to jack the outer side of the second transverse slotted hole so as to enable the second conducting hole and the communicating hole to be staggered is arranged between the second transverse slotted hole and the end part of the second closing plate, guide convex blocks are respectively arranged on the front side and the rear side, guide vertical grooves are arranged on the corresponding positions of the base and the guide convex blocks, and the guide convex blocks are movably arranged in the guide vertical grooves.
As another improvement of the automobile safety belt buckle, the lock tongue comprises a lock tongue seat, a lock tongue body is arranged on one side of the lock tongue seat, and a buckling hole is formed in the lock tongue body.
A seat belt comprising a left shoulder belt and a right shoulder belt connectable to a backrest of a car seat, a crotch belt connectable to a seat cushion of the car seat, and a buckle according to any one of claims, wherein said tongue is connected to said left shoulder belt and said right shoulder belt via a connecting strap, respectively, and said lock body is disposed at an outer end of said crotch belt.
A car children safety seat, including the seat body, be equipped with the safety belt of claim on the seat body, the seat body including the seat base seat back is equipped with to the seat base rear side seat hand protector seat is equipped with respectively on the seat base left and right sides, is equipped with the cushion on the seat base seat, is equipped with the protection and adjusts the air cushion at seat hand protector seat inboard, is equipped with the pump in the seat hand protector seat, the pump is connected with the protection and adjusts the air cushion through the gas-supply pipe seat back lower part is equipped with waist protection cushion, is equipped with head protection cushion on seat back upper portion.
In summary, compared with the prior art, the invention has the beneficial effects that:
the automobile safety belt lock catch effectively prevents children from pressing by mistake, thereby effectively reducing accidents caused by the child pressing.
Drawings
FIG. 1 is a schematic view of the present invention shown with the seatbelt buckle disengaged;
FIG. 2 is a schematic perspective view of the latch body of the safety belt of the present invention;
FIGS. 3-7 are schematic cross-sectional views of the car seat belt buckle body of the present invention;
FIG. 8 is an exploded view of the latch hook and the retractable pressing mechanism according to the present invention
FIG. 9 is a schematic cross-sectional view of the retractable pressing mechanism of the present invention;
FIG. 10 is a schematic view of the seatbelt buckle of the present invention;
FIG. 11 is a schematic view of a child safety seat for a vehicle in accordance with the present invention;
in the figure: 18. a lock body; 181. a base; 182. a central bore; 183. inserting the slot; 184. mounting grooves; 185. a locking mechanism; 1851. a latch hook; 1852. a spring slot; 1853. locking the top pressure spring; 186. a telescopic pressing mechanism; 1861. a pressing seat; 1862. a drive rack; 1863. a long groove; 1864. a guide bar; 1865. a limiting end; 1866. a guide hole; 1867. an end socket slot; 1868. positioning holes; 187. an accommodating groove; 188. a pressing plate; 189. a drive mechanism; 1891. a transmission long gear; 1892. a yielding groove; 1893. the groove hole is communicated; 1894. a drive rack; 1810. a locking groove; 1811. a limiting mechanism; 18111. a tooth locking ring groove; 18112. a shaft groove; 18113. rotating the long shaft; 18114. locking the long gear; 18115. a spring assembly groove; 18116. locking the extrusion spring; 18117. a locking rack; 18118. a return spring; 1812. unlocking the slotted hole; 1813. a communicating hole; 1814. a movable closure mechanism; 18141. a first transverse slot; 18142. a second transverse slot; 18143. a first closing plate; 18144. a first via hole; 18145. a first abdicating notch; 18146. a first top pressure spring; 18147. a second closing plate; 18148. a second via hole; 18149. a second abdicating notch; 181410, a second top pressure spring; 181411, guide projections; 181412, guide vertical slot; 1815. an unlocking mechanism; 18151. a drive head; 19. a latch bolt; 191. a bolt seat; 192. a lock tongue body; 193. buckling holes; 21. a left shoulder strap; 22. a right shoulder strap; 23. a crotch strap; 24. a connecting belt; 25. a seat belt; 26. a seat base; 27. a seat back; 28. a seat guard seat; 29. a cushion; 30. protecting and adjusting the air cushion; 31. a waist protection cushion; 32. a head protection cushion.
Detailed Description
The invention will be further described with reference to the drawings and embodiments in the detailed description:
as shown in fig. 1-10, the buckle of the safety belt for the automobile of the present invention comprises a lock body 18 and a latch tongue 19, wherein the lock body 18 comprises a base 181, a central hole 182 is formed in the base 181, a plug slot 183 into which the latch tongue 19 is inserted is formed on one side of the bottom of the base 181, a mounting groove 184 communicating with the plug slot 183 is formed at a position corresponding to the plug slot 183 at the lower portion of the base 181, the mounting groove 184 communicates with the central hole 182, a locking mechanism 185 capable of setting the latch tongue 19 in the plug slot 183 is formed in the mounting groove 184, a retractable pressing mechanism 186 capable of extending into the central hole 182 and driving the locking mechanism 185 to unlock the latch tongue 19 when a downward force is applied is movably formed on the locking mechanism 185, a receiving groove 187 is formed in the upper portion of the base 181, and a pressing plate 188 capable of moving up and down relative to the base 181 is, a driving mechanism 189 capable of driving the telescopic pressing mechanism 186 to move is provided between the pressing plate 188 and the telescopic pressing mechanism 186, a locking groove 1810 is provided in the base 181 outside the center hole 182, a restricting mechanism 1811 capable of restricting the pressing plate 188 from moving downward is provided in the locking groove 1810, an unlocking groove 1812 communicating with the locking groove 1810 is provided in the base 181, an unlocking mechanism 1815 capable of releasing the locked state of the restricting mechanism 1811 is provided in the unlocking groove 1812, one side of the unlocking groove 1812 penetrates the outer wall of the base 181, a communicating hole 1813 is provided at a position of the pressing plate 188 corresponding to the center hole 182, and a movable closing mechanism 1814 capable of movably closing the communicating hole 1813 is provided in the pressing plate 188. As shown in fig. 7 and 10, when the lock body 18 and the lock tongue 19 are in a fastened state, the movable closing mechanism 1814 closes the communicating hole 1813, the limiting mechanism 1811 is in a locked state, the downward movement of the pressing plate 188 is limited, and the retractable pressing mechanism 186 is folded in the lock tongue 19, at this time, even if the movable closing mechanism 1814 is opened to expose the central hole 182, the locking mechanism 185 cannot be driven to rotate, that is, the lock tongue 19 cannot be separated from the lock body 18, so that the danger caused by the child mistakenly pressing and unlocking the safety belt is effectively prevented. When the invention needs to be unlocked, the unlocking mechanism 1815 is firstly pressed to enable the limiting mechanism 1811 to be in an unlocking state, at the moment, downward pressure is applied to the pressing plate 188, and the process driving mechanism 189 for driving the telescopic pressing mechanism 186 to extend out of the central hole 182 relative to the lock tongue 19 when the pressing plate 188 moves downwards; when the unlocking mechanism 1815 is released, the limiting mechanism 1811 is reset and locked, the pressing plate 188 is still arranged at the lower part of the accommodating groove 187 at the moment, one hand presses the movable closing mechanism 1814 to expose the central hole 182, the finger of the other hand extends into the central hole 182 to press the telescopic pressing mechanism 186, at the moment, the rear end of the locking mechanism 185 is forced to rotate downwards, the front end of the locking mechanism 185 rotates upwards to be separated from the lock tongue 19, and therefore unlocking is achieved.
To further enhance the safety of the lock body 18 of the present invention, the distance between the upper end surface of the pressing plate 188 and the mounting groove 184 is set to be generally greater than the length of the middle finger of a typical child. In the present invention, when the limiting mechanism 1811 is in the initial state, the pressing plate 188 is located at the highest position in the accommodating groove 187, and even if the child presses and opens the movable closing mechanism 1814 to expose the central hole 182, since the length of the finger of the child is shorter than the distance between the upper end surface of the pressing plate 188 and the mounting groove 184, the child cannot insert the finger into the mounting groove 184 to press the locking mechanism 185. Thereby greatly improving the safety performance of the automobile safety belt lock catch.
The locking mechanism 185 of the present invention includes a locking hook 1851 hinged in the mounting groove 184 by hinge shafts at both sides, a spring groove 1852 is provided in the base 181 at a position corresponding to the front end of the locking hook 1851, a locking biasing spring 1853 is provided in the spring groove 1852, and the lower end of the locking biasing spring 1853 biases against the upper end face of the front end of the locking hook 1851. In the present invention, the middle of the locking hook 1851 is hinged in the mounting groove 184 through a hinge shaft, and when the rear end of the locking hook 1851 receives a downward acting force, the front end of the locking hook 1851 rotates upward, thereby separating from the locking tongue 19.
The telescopic pressing mechanism 186 comprises a pressing seat 1861, transmission racks 1862 are arranged on the upper portion of one side of the pressing seat 1861 at intervals from left to right, an elongated slot 1863 is arranged on the upper end face of a lock hook 1851 at a position corresponding to the transmission racks 1862, the transmission racks 1862 are slidably arranged in the elongated slot 1863, a guide rod 1864 is arranged on the pressing seat 1861 on the lower side of the transmission racks 1862, a limit end 1865 is arranged on the outer end portion of the guide rod 1864, a guide hole 1866 penetrating through the lock hook 1851 is arranged at a position corresponding to the lock hook 1851 and the guide rod 1864, an end slot 1867 communicated with the guide hole 1866 is arranged at the front end of the lock hook 1851, and the limit end 1865 is arranged in the end slot 1867. The pressing base 1861 can move relative to the locking hook 1851 and is prevented from being disengaged under the action of the limiting end 1865 of the guide rod 1864. In the invention, the transmission rack 1862 is arranged in the long groove 1863 in a sliding manner, so that the pressing seat 1861 moves more stably. The guide lever 1864 serves as a main supporting member for transmitting force in addition to smooth movement of the pressing base 1861, thereby effectively reducing interaction force between the transmission rack 1862 and the driving mechanism 189 and preventing the transmission rack 1862 from being separated from the elongated slot 1863. As another improvement of the present invention, a positioning hole 1868 is formed in a position of the base 181 corresponding to the transmission rack 1862, when the retractable pressing mechanism 186 is engaged with the locking hook 1851, an inner end of the transmission rack 1862 is inserted into the positioning hole 1868, so that the locking hook 1851 is completely locked, even if the rear end of the locking hook 1851 is pressed downward, the front end of the locking hook 1851 does not rotate upward, thereby preventing a child with a long finger from inserting the finger into the mounting groove 184 to press the unlocking mechanism, which causes unlocking of the unlocking mechanism, thereby causing danger. When the above solution is adopted, when the tongue lock 19 needs to be inserted into the lock body 18, the unlocking mechanism 1815 needs to be pressed first to unlock the limiting mechanism 1811, and the pressing plate 188 is pressed lightly to move downwards, so that the driving rack 1862 is driven to be disengaged from the positioning hole 1868, and then the tongue lock 19 can be inserted into the lock body 18 to be locked. Effectively prevents the tongue lock 19 from being inserted into the lock body 18 before use, ensures that the tongue lock 19 and the lock body 18 are in a separated state, and is convenient for operation during use.
The driving mechanism 189 of the invention comprises a transmission long gear 1891 arranged in a mounting groove 184 above a transmission rack 1862, wherein the transmission long gear 1891 is movably arranged in a locking hook 1851 or the mounting groove 184 through a rotating shaft, the transmission long gear 1891 is meshed with the transmission rack 1862, an abdicating groove 1892 vertically penetrating through the locking hook 1851 is arranged on the locking hook 1851 between the other two long grooves 1863, a communication groove hole 1893 communicating an accommodating groove 187 with the mounting groove 184 is arranged at the position corresponding to the abdicating groove 1892 of the base 181, a driving rack 1894 is arranged in the communication groove hole 1893 and the abdicating groove 1892, the driving rack 1894 is meshed with the transmission long gear 1891, and the upper end of the driving rack 1894 is connected on the lower end face of a pressing rack 188. In the present invention, the driving rack 1894 is disposed inside the driving long gear 1891, and when the pressing plate 188 moves downward, the driving rack 1894 moves downward in synchronization with the pressing plate 188 to drive the driving long gear 1891 to rotate inward, so that the driving racks 1862 engaged on both ends of the driving long gear 1891 move outward, and the pressing base 1861 is extended into the central hole 182. Conversely, when the pressing plate 188 moves upward, the pressing base 1861 moves from the central hole 182 into the mounting groove 184.
The restricting means 1811 of the present invention includes a locking ring groove 18111 provided in the base 181 at one side of the locking groove 1810, an axial groove 18112 is formed in the base 181 in the middle of the locking ring groove 18111, an unlocking groove 1812 is communicated with the axial groove 18112, a rotating long shaft 18113 is movably arranged in the shaft groove 18112, a locking long gear 18114 is arranged in the middle of the rotating long shaft 18113, a spring fitting groove 18115 is provided in the base 181 at one side of the locking long gear 18114, a locking pressing spring 18116 capable of driving the locking long gear 18114 to move toward the locking ring gear groove 18111 is provided in the spring fitting groove 18115, a locking rack 18117 is provided in the locking groove 1810 of the locking long gear 18114 side, the locking rack 18117 is always engaged with the locking long gear 18114, the upper end of the locking rack 18117 is connected to the lower end surface of the pressing plate 188, a return spring 18118 is provided between the lower end of the locking rack 18117 and the locking groove 1810. In the present invention, the interval between two adjacent locking teeth in the locking ring groove 18111 corresponds to the teeth of the locking long gear 18114, the locking long gear 18114 and the long axis of rotation 18113 synchronously move toward the locking ring groove 18111 under the action of the locking pressing spring 18116, when the teeth on the locking long gear 18114 are aligned with the teeth interval of the locking ring groove 18111, the locking long gear 18114 is inserted into the locking ring groove 18111, at this time, the locking long gear 18114 cannot rotate, thereby locking the locking rack 18117, and the pressing plate 188 is in a locking state, at this time, the driving mechanism cannot be driven, and the telescopic pressing mechanism is combined with the locking mechanism 185. And thus cannot be unlocked by unlocking the locking mechanism 185.
The unlocking mechanism 1815 of the present invention includes an actuating head 18151 disposed in the unlocking slot 1812, and the actuating head 18151 is connected to the long rotating shaft 18113. The inside diameter of the unlocking slot 1812 in the present invention is sized to accommodate the entry of an adult finger. Unlocking is performed such that a user inserts a finger into the unlocking slot 1812, the pressing driving head 18151 is moved inward against the urging force of the locking pressing spring 18116, the locking long gear 18114 is separated from the locking ring gear groove 18111, and at this time, a downward external force is applied to the pressing plate 188, and the locking rack 18117 can be moved downward.
The movable closing mechanism 1814 of the present invention includes a first transverse slot 18141 and a second transverse slot 18142 spaced up and down in the left and right sides of the pressing plate 188, the first transverse slot 18141 and the second transverse slot 18142 are respectively communicated with the communicating hole 1813, a first closing plate 18143 is arranged in the first transverse slot 18141, a first communicating hole 18144 is arranged on the first closing plate 18143, a first abdicating notch 18145 for making the first closing plate 18143 move synchronously with the pressing plate 188 is arranged at the corresponding position of the base 181 and the first closing plate 18143, a first pressure spring 18146 capable of urging the first closing plate 18143 to press towards the outer side of the first transverse slot 18141 so as to make the first communicating hole 18144 and the communicating hole 1813 dislocate is arranged between the first transverse slot 18141 and the first closing plate 18143, a second closing plate 18147 is arranged in the second transverse slot 18142, a second closing plate 18148 is arranged on the second closing plate 18147, a second abdicating notch 18149 which enables the second closing plate 18147 to synchronously move along with the pressing plate 188 is arranged at the corresponding position of the base 181 and the second closing plate 18147, a second jacking spring 181410 which can drive the second closing plate 18147 to jack towards the outer side of the second transverse slotted hole 18142 so as to enable the second through hole 18148 to be staggered with the through hole 1813 is arranged between the second transverse slotted hole 18142 and the end part of the second closing plate 18147, guide lugs 181411 are respectively arranged at the front side and the rear side, a guide vertical groove 181412 is arranged at the corresponding position of the base 181 and the guide lugs 181411, and the guide lug 181411 is movably arranged in the guide vertical groove 181412. In the invention, two sides of the inner ends of the first closing plate 18143 and the second closing plate 18147 are respectively provided with a limiting block, and a positioning block is respectively arranged at the outlet of the first transverse slot 18141 and the outlet of the second transverse slot 18142, so that the first closing plate 18143 and the second closing plate 18147 can be prevented from being separated from the first transverse slot 18141 and the second transverse slot 18142. As another preferred embodiment of the present invention, the distance between the outermost end of the first closing plate 18143 and the outer wall of the base and the distance between the outermost end of the second closing plate 18147 and the outer wall of the base are respectively greater than 25cm, so that most children cannot drive the first closing plate 18143 and the second closing plate 18147 to move with one hand, and further, the children are prevented from pressing by mistake.
The lock tongue 19 comprises a lock tongue seat 191, a lock tongue body 192 is arranged on one side of the lock tongue seat 191, and a buckling hole 193 is arranged on the lock tongue body 192. The locking hook 1851 is engaged with the locking hole 193.
As shown in fig. 11, the safety belt of the present invention comprises a left shoulder belt 21 and a right shoulder belt 22 which can be connected to a backrest of a car seat, a crotch belt 23 which can be connected to a seat cushion of the car seat, and a car safety belt buckle as described above, wherein the latch 19 is connected to the left shoulder belt 21 and the right shoulder belt 22 through a connecting belt 24, respectively, and the lock body 18 is disposed at an outer end of the crotch belt 23.
The invention relates to an automobile child safety seat which comprises a seat body 16, wherein the seat body 16 is provided with a safety belt 25, the seat body 16 comprises a seat base 26, the rear side of the seat base 26 is provided with a seat backrest 27, the left side and the right side of the seat base 26 are respectively provided with a seat hand protecting seat 28, the seat base 26 is provided with a cushion 29, the inner side of the seat hand protecting seat 28 is provided with a protective adjusting air cushion 30, the seat hand protecting seat 28 is internally provided with an inflator pump, the inflator pump is connected with the protective adjusting air cushion 30 through an air pipe, the lower part of the seat backrest 27 is provided with a waist protecting soft cushion 31, and the upper part of the seat backrest 27 is provided with a head protecting soft cushion 32. The automobile child safety seat can effectively play a role in buffering when sudden braking or collision occurs, so that damage to children on the automobile child safety seat is reduced. In addition, the space between the two seat armrests 28 can be adjusted by inflating the cushion 30, so that a child with a small size can be restrained within a suitable range, thereby improving safety.
The foregoing shows and describes the general principles and features of the present invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a car blet hasp, is including lock body (18) and spring bolt (19), its characterized in that: the lock body (18) comprises a base (181), a central hole (182) is arranged in the base (181), an inserting groove hole (183) for inserting the bolt (19) is arranged on one side of the bottom of the base (181), a mounting groove (184) communicated with the inserting groove hole (183) is arranged at the position corresponding to the inserting groove hole (183) at the lower part of the base (181), the mounting groove (184) is communicated with the central hole (182), a locking mechanism (185) capable of setting the bolt (19) in the inserting groove hole (183) is arranged in the mounting groove (184), a telescopic pressing mechanism (186) capable of extending into the central hole (182) and driving the locking mechanism (185) to unlock the bolt (19) when downward acting force is applied is movably arranged on the locking mechanism (185), an accommodating groove (187) is arranged in the upper part of the base (181), and a plate (188) capable of moving up and down relative to the base (181) is movably arranged in the accommodating groove (187), a driving mechanism (189) which can drive the telescopic pressing mechanism (186) to move is arranged between the pressing plate (188) and the telescopic pressing mechanism (186), a locking groove (1810) is arranged in the base (181) at the outer side of the central hole (182), a limiting mechanism (1811) which can limit the downward movement of the pressing plate (188) is arranged in the locking groove (1810), an unlocking slot hole (1812) communicated with the locking groove (1810) is arranged in the base (181), an unlocking mechanism (1815) which can release the locking state of the limiting mechanism (1811) is arranged in the unlocking slotted hole (1812), one side of the unlocking slotted hole (1812) penetrates through the outer wall of the base (181), a communication hole (1813) is arranged at the position of the pressing plate (188) corresponding to the central hole (182), a movable closing mechanism (1814) capable of movably closing the communicating hole (1813) is provided in the pressing plate (188).
2. The vehicle seat belt buckle as claimed in claim 1, wherein: the locking mechanism (185) comprises a locking hook (1851) hinged in the mounting groove (184) through hinged shafts on two sides, a spring groove (1852) is arranged in the base (181) and at a position corresponding to the front end of the locking hook (1851), a locking jacking spring (1853) is arranged in the spring groove (1852), and the lower end of the locking jacking spring (1853) is jacked on the upper end face of the front end of the locking hook (1851).
3. The vehicle seat belt buckle as claimed in claim 2, wherein: the telescopic pressing mechanism (186) comprises a pressing seat (1861), transmission racks (1862) are arranged on the upper portion of one side of the pressing seat (1861) at left and right intervals, long grooves (1863) are formed in positions, corresponding to the transmission racks (1862), of the upper end face of the lock hook (1851), the transmission racks (1862) are arranged in the long grooves (1863) in a sliding mode, guide rods (1864) are arranged on the pressing seat (1861) on the lower side of the transmission racks (1862), limiting end heads (1865) are arranged on outer end portions of the guide rods (1864), guide holes (1866) penetrating through the lock hook (1851) are formed in positions, corresponding to the guide rods (1864), of the lock hook (1851), slot holes (1867) communicated with the guide holes (1866) are formed in the front end of the lock hook (1851), and the limiting end heads (1865) are arranged in the slot holes (1867).
4. The vehicle seat belt buckle as claimed in claim 3, wherein: the driving mechanism (189) comprises a transmission long gear (1891) arranged in a mounting groove (184) above the transmission rack (1862), the transmission long gear (1891) is movably arranged in the lock hook (1851) or the installation groove (184) through a rotating shaft, the transmission long gear (1891) is meshed with the transmission rack (1862), an abdicating groove (1892) which vertically penetrates through the locking hook (1851) is arranged on the locking hook (1851) between the other two long grooves (1863), a communication groove hole (1893) for communicating the accommodating groove (187) and the mounting groove (184) is arranged at the position of the base (181) corresponding to the abdicating groove (1892), a driving rack (1894) is arranged in the communication slot hole (1893) and the abdicating slot (1892), the driving rack (1894) is meshed with the transmission long gear (1891), and the upper end of the driving rack (1894) is connected to the lower end face of the pressing plate (188).
5. The vehicle seat belt buckle as claimed in claim 1, wherein: the limiting mechanism (1811) comprises a locking toothed ring groove (18111) arranged in a base (181) at one side of a locking groove (1810), a shaft groove (18112) is arranged in the base (181) in the middle of the locking toothed ring groove (18111), an unlocking slotted hole (1812) is communicated with the shaft groove (18112), a rotating long shaft (18113) is movably arranged in the shaft groove (18112), a locking long gear (18114) is arranged in the middle of the rotating long shaft (18113), a spring assembling groove (18115) is arranged in the base (181) at one side of the locking long gear (18114), a locking extrusion spring (18116) capable of driving the locking long gear (18114) to move towards the locking toothed ring groove (18111) is arranged in the spring assembling groove (18115), a locking rack (18117) is arranged in the locking groove (1810) at one side of the locking long gear (18114), and the locking rack (18117) is always meshed with the locking long gear (18114), the upper end of the locking rack (18117) is connected to the lower end face of the pressing plate (188), and a return spring (18118) is arranged between the lower end of the locking rack (18117) and the locking groove (1810).
6. The vehicle seat belt buckle as claimed in claim 5, wherein: the unlocking mechanism (1815) comprises a driving head (18151) arranged in the unlocking slotted hole (1812), and the driving head (18151) is connected with the long rotating shaft (18113).
7. The vehicle seat belt buckle as claimed in claim 1, wherein: the movable closing mechanism (1814) comprises a first transverse groove hole (18141) and a second transverse groove hole (18142) which are arranged in the left side and the right side of the pressing plate (188) at intervals up and down, the first transverse groove hole (18141) and the second transverse groove hole (18142) are respectively communicated with the communicating hole (1813), a first closing plate (18143) is arranged in the first transverse groove hole (18141), a first through hole (18144) is arranged on the first closing plate (18143), a first yielding notch (18145) which enables the first closing plate (18143) to synchronously move along with the pressing plate (188) is arranged at the corresponding position of the base (181) and the first closing plate (18143), a first yielding spring 18146 which can drive the first closing plate (18143) to press towards the outer side of the first transverse groove hole (18141) so as to enable the first closing plate (18144) to be staggered with the communicating hole (1813), a second closing plate (18147) is arranged in the second transverse slotted hole (18142), a second through hole (18148) is arranged on the second closing plate (18147), a second yielding notch (18149) which leads the second closing plate (18147) to synchronously move along with the pressing plate (188) is arranged at the corresponding position of the base (181) and the second closing plate (18147), a second jacking spring (181410) which can drive the second closing plate (18147) to jack towards the outer side of the second transverse slot hole (18142) so as to lead the second through hole (18148) and the communicating hole (1813) to be staggered is arranged between the second transverse slot hole (18142) and the end part of the second closing plate (18147), the front side and the rear side are respectively provided with a guide lug (181411), a guide vertical groove (181412) is arranged at the corresponding position of the base (181) and the guide lug (181411), and the guide lug (181411) is movably arranged in the guide vertical groove (181412).
8. The vehicle seat belt buckle as claimed in claim 1, wherein: the lock tongue (19) comprises a lock tongue seat (191), a lock tongue body (192) is arranged on one side of the lock tongue seat (191), and a buckling hole (193) is formed in the lock tongue body (192).
9. A safety belt comprising a left shoulder belt (21) and a right shoulder belt (22) connectable to a backrest of a car seat, a crotch belt (23) connectable to a seat cushion of a car seat, and a car safety belt buckle according to any of claims 1-8, wherein said tongue (19) is connected to said left shoulder belt (21) and said right shoulder belt (22) via a connecting strap (24), respectively, and said lock body (18) is arranged at an outer end of said crotch belt (23).
10. The automobile child safety seat comprises a seat body (16), wherein the safety belt (25) is arranged on the seat body (1) according to claim 9, the seat body (16) comprises a seat base (26), a seat back (27) is arranged on the rear side of the seat base (26), seat hand protecting seats (28) are respectively arranged on the left side and the right side of the seat base (26), a cushion (29) is arranged on the seat base (26), a protection adjusting air cushion (30) is arranged on the inner side of the seat hand protecting seats (28), an inflator pump is arranged in the seat hand protecting seats (28), the inflator pump is connected with the protection adjusting air cushion (30) through an air pipe, a waist protecting cushion (31) is arranged on the lower portion of the seat back (27), and a head protecting cushion (32) is arranged on the upper portion of the seat back (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910975106.6A CN110588461B (en) | 2019-10-14 | 2019-10-14 | Automobile safety belt lock catch, safety belt and automobile child safety seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910975106.6A CN110588461B (en) | 2019-10-14 | 2019-10-14 | Automobile safety belt lock catch, safety belt and automobile child safety seat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110588461A true CN110588461A (en) | 2019-12-20 |
| CN110588461B CN110588461B (en) | 2021-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910975106.6A Active CN110588461B (en) | 2019-10-14 | 2019-10-14 | Automobile safety belt lock catch, safety belt and automobile child safety seat |
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| Country | Link |
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| CN (1) | CN110588461B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113859065A (en) * | 2020-06-30 | 2021-12-31 | 宝钜瑞士股份有限公司 | Child safety seat and side impact protection mechanism thereof |
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| CN203753072U (en) * | 2014-03-04 | 2014-08-06 | 浙江万里安全器材制造有限公司 | Safety belt lock catch of automobile middle seat |
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|---|---|
| CN110588461B (en) | 2021-11-12 |
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Effective date of registration: 20211026 Address after: 211100 two, B unit 300, Zhihui Road, Qilin science and Technology Innovation Park, Nanjing, Jiangsu. Applicant after: NANJING XUANSHI QIYUAN SOFTWARE TECHNOLOGY Co.,Ltd. Address before: Card 5, room 702, Jinyi building, No.2, Dongzhen Avenue, Torch Development Zone, Zhongshan City, Guangdong Province, 528400 Applicant before: ZHONGSHAN HUANYA AUTOMOBILE TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20231213 Address after: 214211 No. 3, Xinghe Road, Heqiao town industrial concentration zone, Yixing City, Wuxi City, Jiangsu Province Patentee after: YIXING AOHUA AUTO PARTS Co.,Ltd. Address before: 211100 two, B unit 300, Zhihui Road, Qilin science and Technology Innovation Park, Nanjing, Jiangsu. Patentee before: NANJING XUANSHI QIYUAN SOFTWARE TECHNOLOGY Co.,Ltd. |