CN211166799U - Automatic recovery and locking device for child safety seat belt - Google Patents

Abstract

The utility model relates to a children's safety seat lock technical field just discloses automatic recovery of children's safety seat safety belt and locking means, including bearing main body cover, it has press switch to peg graft at main body cover's top, press switch's bottom fixedly connected with press spring, and the inside integrated into one piece who bears main body cover has the supporting shoe, press spring's bottom and the top contact of supporting shoe. The utility model discloses a, the press switch is loaded down with trivial details for two press pieces plus rotary switch children use with rotatory switch about the rotary switch, be difficult for opening, the security strengthens, conventional safety belt can not locking function has been solved, the head of a family is at driving in-process peace and peaceful, safe simple easy operation, the ratchet tooth on restriction gear separation blade and the gear wheel dish is mirror image structural design, strengthen the atress ability of product and the occlusal force of gear, utilize the mounting groove to fix easily in the safety seat back-off, can not produce with other product fixed assembly and rock and sway.

Description

Automatic recovery and locking device for child safety seat belt

Technical Field

The utility model relates to a children's safety seat lock technical field specifically is automatic recovery of children's safety seat safety belt and locking means.

Background

The child safety seat for automobile, also called child Restraint system crs (child Restraint system), is a seat designed for children of different ages (or weights), installed in an automobile, and capable of effectively improving the safety of children taking a car, and the definition of the child safety seat by european regulation ECE R44/03 is as follows: the child safety protection system can be fixed on a motor vehicle, consists of a safety belt component with buckles or a flexible component, an adjusting mechanism, accessories and the like, and can be combined with additional devices such as a portable child bed, a baby basket, an auxiliary seat or a collision protection object, and the like.

The length can all be adjusted according to children's demand to the last safety belt that is used for tying children of car children safety seat, the overlength can lead to the safety seat can't play the guard action, can cause children's discomfort for the too short, and because children's mobility and curiosity can do with recovery unit's switch, can cause the safety belt extension, and the distraction head of a family is at the attention of driving, bury down the potential safety hazard, so proposed automatic recovery of children's safety seat safety belt and locking means and solved above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides an automatic recovery of children's safety seat safety belt and locking means possesses advantages such as safe locking safety belt, has solved because children's mobility and curiosity can be fiddled the switch of recovery unit, can cause the safety belt extension to the problem of potential safety hazard is buried to the dispersion head of a family's attention when the driving.

(II) technical scheme

For the purpose that realizes above-mentioned safety locking safety belt, the utility model provides a following technical scheme: the automatic recovery and locking device for the safety belt of the child safety seat comprises a bearing main body shell, wherein a press switch is inserted into the top of the bearing main body shell, the bottom of the press switch is fixedly connected with a press spring, a supporting block is integrally formed in the bearing main body shell, the bottom end of the press spring is contacted with the top of the supporting block, a lifting blocking piece fixedly connected with the press switch is sleeved on the press switch, the top of the bearing main body shell is in threaded connection with a rotary upper switch and a rotary lower switch, the bottom end of the rotary upper switch and the bottom end of the rotary lower switch penetrate through and extend into the bearing main body shell, an upper linkage rotating piece and a lower linkage rotating piece are fixedly connected with the rotary upper switch and the lower linkage rotating piece, a rotary blocking piece fixedly connected with the rotary upper switch and the lower linkage rotating piece is sleeved on the upper linkage rotating piece, the rotary blocking piece is positioned, the inside integrated into one piece of bearing main body shell has central BOS post, the cover is equipped with two gear wheel dishes rather than rotating the connection on central BOS post, the homogeneous body shaping of the outside of two gear wheel dishes has evenly distributed ratchet teeth, two have two lock screw hole on two gear wheel dishes, adjacent two fixed mounting has set screw between the lock screw hole, the bottom and the ratchet tooth of restriction gear separation blade mesh, the cover is equipped with rather than the recovery spring steel sheet of fixed connection on central BOS post, the recovery spring steel sheet is located between two gear wheel dishes, the other end and two gear wheel dishes fixed connection of recovery spring steel sheet, the outside of recovery spring steel sheet has the safety belt of stretching of coiling, the one end and two gear wheel dishes fixed connection of stretching, the other end of the safety belt of stretching extends to the outside of bearing main body shell, the left side of the bearing main body shell is provided with a mounting groove.

Preferably, the push switch is integrally formed with a limit ring, and the limit ring is located inside the main body housing and contacts with the inner top wall of the main body housing.

Preferably, the front surface and the back surface inside the bearing main body shell are integrally formed with limit blocks, and the two limit blocks are respectively positioned on the front surface and the back surface of the limit gear retaining piece and are in sliding connection with the limit gear retaining piece.

Preferably, the opposite sides of the two large gear plates are integrally formed with isolation blocks, the opposite sides of the two adjacent isolation blocks are in contact, and the isolation blocks and the positioning screws are located between the stretchable safety belt and the recovery spring steel sheet.

Preferably, the back the front integrated into one piece of bull gear dish has two buckles, and is positive two calorie holes have been seted up in the front of bull gear dish, two the positive one end of buckle extends to the front and the card hole joint in card hole respectively.

Preferably, the rotation blocking piece has a square shape in plan view, and the restriction gear blocking piece has a U-shaped shape in side view.

(III) advantageous effects

Compared with the prior art, the utility model provides an automatic recovery of children's safety seat safety belt and locking means possesses following beneficial effect:

1. the automatic recovery and locking device of the child safety seat safety belt is characterized in that a pressing switch is pressed downwards to be compressed, a pressing spring drives a lifting separation blade to move downwards, a rotating separation blade loses the limitation and can rotate, so that the rotating upper and lower switches lose the limitation and can rotate, the rotating upper and lower switches are in threaded connection with a bearing main body shell, the rotating upper and lower switches can move upwards while rotating to drive a limiting gear separation blade on an upper linkage rotating piece and a lower linkage rotating piece to move upwards, the limiting gear separation blade is disengaged from ratchet teeth on a large gear plate, the rotating separation blade and the limiting gear separation blade are designed to be independent structures, interference is avoided between the rotating separation blade and the limiting gear separation blade in the rotating process, the phenomenon of tooth jamming is reduced, the large gear plate can rotate on a central BOS column, and a tensile safety belt between the two large gear plates can be pulled out under external tensile force or can be extended or automatically recovered under the elastic, push switch and rotatory upper and lower switch are that two press pieces add the rotary switch children and use loaded down with trivial details, be difficult for opening, the security strengthens, the problem of conventional safety belt can not locking function has been solved, the head of a family is at driving in-process peace and peaceful, safe simple easy operation, the ratchet tooth on restriction gear separation blade and the gear wheel dish is mirror image structural design, strengthen the atress ability of product and the occlusal force of gear, utilize the mounting groove to fix easily in the safety seat back-off, can not produce with other product fixed assembly and rock and sway.

2. This automatic recovery of children's safety seat safety belt and locking means through spacing ring restriction push switch's the shifting up, prevents to pop out push switch from the inside of bearing the main part shell because push spring's elasticity, guarantees the stability of structure.

3. This automatic recovery of children's safety seat safety belt and locking means, through the sliding connection of two stoppers and restriction gear separation blade, when linkage rotating member rotates from top to bottom, because linkage rotating member rotates with restriction gear separation blade from top to bottom and is connected and restricted by the stopper, let restriction gear separation blade can not follow the rotation, ensure the normal work of restriction gear separation blade, avoid appearing the latch state.

4. This automatic recovery of children's safety seat safety belt and locking means through the interval between two bull gear dishes of spacing block restriction, utilizes the location screw to fix two bull gear dishes, and the spacing block can keep apart with retrieving spring steel sheet the safety belt of stretching simultaneously, guarantees the inflation and the shrink of retrieving spring steel sheet and the extension of the safety belt of stretching and the smooth and easy of retrieving.

5. This automatic recovery of children's safety seat safety belt and locking means through mutually supporting in two buckles and two card holes, further fixes the position of two bull gear dishes to can prevent to retrieve the spring steel sheet and can stretch the safety belt dislocation inflation when retrieving the safety belt of stretching, influence the set screw not hard up and misplace, this structural design convenient operation is nimble, has reduced the unreliability and the safe risk of product.

6. This automatic recovery of children's safety seat safety belt and locking means can receive the restriction of lift separation blade when rotatory through square rotatory separation blade, and the structure of time has more the rationality, and two bull gear dishes can be restricted simultaneously to the restriction gear separation blade of U-shaped, carry out stable locking effect to it.

Drawings

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

FIG. 2 is a front sectional view of the present invention;

fig. 3 is a schematic top sectional view of the present invention;

fig. 4 is the schematic view of the connection structure of the large gear plate and the isolation block of the present invention.

In the figure: 1. a load bearing body housing; 2. a pressing spring; 3. lifting the baffle plate; 4. a support block; 5. a central BOS column; 6. recovering the spring steel sheet; 7. a set screw; 8. a stretchable safety belt; 9. a limiting ring; 10. a limiting block; 11. a push switch; 12. rotating the upper and lower switches; 13. an upper and lower linkage rotating member; 14. rotating the baffle plate; 15. a limit gear catch; 16. ratchet teeth; 17. locking the screw hole; 18. a large gear plate; 19. mounting grooves; 20. buckling; 21. a clamping hole; 22. and isolating the blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the automatic recovery and locking device for a child safety seat belt comprises a main bearing housing 1, a push switch 11 is inserted into the top of the main bearing housing 1, a push spring 2 is fixedly connected to the bottom of the push switch 11, a supporting block 4 is integrally formed inside the main bearing housing 1, the bottom end of the push spring 2 contacts with the top of the supporting block 4, a lifting catch 3 fixedly connected with the push switch 11 is sleeved on the push switch 11, a rotary up-down switch 12 is connected to the top of the main bearing housing 1 through a screw thread, the bottom end of the rotary up-down switch 12 penetrates and extends into the main bearing housing 1, an up-down linkage rotating member 13 is fixedly connected to the bottom end of the rotary up-down switch 12, a rotary catch 14 fixedly connected with the upper-down linkage rotating member 13 is sleeved on the up-down linkage rotating member 13, the rotary catch 14 is located on the right side of the lifting catch 3, a limiting gear catch 15 rotatably connected, a central BOS column 5 is integrally formed in the bearing main body shell 1, two gear wheel plates 18 which are rotatably connected with the central BOS column 5 are sleeved on the central BOS column 5, ratchet teeth 16 which are uniformly distributed are integrally formed on the outer sides of the two gear wheel plates 18, two locking screw holes 17 are formed in the two gear wheel plates 18, a positioning screw 7 is fixedly installed between the two adjacent locking screw holes 17, the bottom of a limiting gear blocking piece 15 is meshed with the ratchet teeth 16, a recovery spring steel sheet 6 which is fixedly connected with the central BOS column 5 is sleeved on the central BOS column 5, the recovery spring steel sheet 6 is positioned between the two gear wheel plates 18, the other end of the recovery spring steel sheet 6 is fixedly connected with the two gear wheel plates 18, a stretchable safety belt 8 is wound on the outer side of the recovery spring steel sheet 6, one end of the stretchable safety belt 8 is fixedly connected with the two gear wheel plates 18, and the other end of the stretchable safety belt 8 extends to the outer, the left side of the bearing main body shell 1 is provided with a mounting groove 19, the pressing switch 11 is pressed downwards to be compressed, the pressing spring 2 drives the lifting separation blade 3 to move downwards, the rotating separation blade 14 loses the limit and can rotate, so that the rotating upper and lower switches 12 lose the limit and can rotate, because the rotating upper and lower switches 12 are in threaded connection with the bearing main body shell 1, the rotating upper and lower switches 12 can move upwards at the same time to drive the limiting gear separation blade 15 on the upper and lower linkage rotating part 13 to move upwards, the limiting gear separation blade 15 is disengaged from the ratchet teeth 16 on the large gear disc 18, the rotating separation blade 14 and the limiting gear separation blade 15 are designed in a single structure, the two components do not interfere with each other in the rotating process, the phenomenon of clamping teeth is reduced, so that the large gear disc 18 can rotate on the central BOS column 5, and the tensile safety belt 8 between the two large gear discs 18 can be pulled out under the external tensile force or extended or automatically retracted under the elastic force of the recovery spring steel, press switch 11 and rotatory upper and lower switch 12 for two press piece with the rotary switch children use loaded down with trivial details, be difficult for opening, the security strengthens, the conventional safety belt can not locking function has been solved, the head of a family is at driving in-process peace and peaceful, safe simple easy operation, ratchet tooth 16 on restriction gear separation blade 15 and the bull gear dish 18 is mirror image structural design, strengthen the atress ability of product and the occlusal force of gear, utilize mounting groove 19 to fix easily in the safety seat back-off, can not produce with other product fixed assembly and rock and sway.

Further, the limit ring 9 is integrally formed on the push switch 11, the limit ring 9 is located on the inner side of the main body housing 1 and contacts with the inner top wall of the main body housing 1, the upward movement of the push switch 11 is limited by the limit ring 9, the push switch 11 is prevented from being ejected out from the inside of the main body housing 1 due to the elastic force of the push spring 2, and the stability of the structure is ensured.

Further, bear the inside front of main body cover 1 and back homogeneous body shaping stopper 10, two stoppers 10 are located the front and the back and restriction gear separation blade 15 sliding connection of restriction gear separation blade 15 respectively, sliding connection through two stoppers 10 and restriction gear separation blade 15, when linkage rotating member 13 rotates from top to bottom, because linkage rotating member 13 rotates with restriction gear separation blade 15 about and is connected and by stopper 10 restriction, let restriction gear separation blade 15 can not follow the rotation, ensure restriction gear separation blade 15's normal work, avoid appearing the latch state.

Furthermore, the isolation blocks 22 are integrally formed on the opposite sides of the two large gear discs 18, the opposite sides of the two adjacent isolation blocks 22 are in contact with each other, the isolation blocks 22 and the positioning screws 7 are located between the stretchable safety belt 8 and the recovery spring steel sheet 6, the distance between the two large gear discs 18 is limited through the isolation blocks 22, the two large gear discs 18 are fixed through the positioning screws 7, meanwhile, the isolation blocks 22 can isolate the stretchable safety belt 8 from the recovery spring steel sheet 6, and the expansion and contraction of the recovery spring steel sheet 6 and the smoothness of the extension and recovery of the stretchable safety belt 8 are guaranteed.

Further, the positive integrated into one piece of the gear wheel dish 18 at the back has two buckles 20, two card holes 21 have been seted up in the front of positive gear wheel dish 18, the positive one end of two buckles 20 extends to the front and the card hole 21 joint of card hole 21 respectively, mutually support through two buckles 20 and two card holes 21, further fix the position of two gear wheel dishes 18, and can prevent to retrieve spring steel sheet 6 and can stretch safety belt 8 dislocation inflation when retrieving the safety belt 8 of stretching, influence that set screw 7 is not hard up and misplaces, this structural design convenient operation is nimble, the unreliability and the safety risk of product have been reduced.

Further, the overlooking shape of the rotary baffle plate 14 is square, the side-looking shape of the limiting gear baffle plate 15 is U-shaped, the rotary baffle plate 14 can be limited by the lifting baffle plate 3 during rotation, the structure is more reasonable, and the U-shaped limiting gear baffle plate 15 can limit two large gear discs 18 at the same time to achieve stable locking effect.

The working principle is as follows: by pressing the press switch 11 downwards, compressing the press switch, the press spring 2 drives the lifting catch 3 to move downwards, the rotating catch 14 loses the limit and can rotate, so that the rotating upper and lower switches 12 lose the limit and can rotate, because the rotating upper and lower switches 12 are in threaded connection with the bearing main body shell 1, the rotating upper and lower switches 12 can move upwards at the same time to drive the limiting gear catch 15 on the upper and lower linkage rotating piece 13 to move upwards, the limiting gear catch 15 is disengaged from the ratchet wheel 16 on the large gear disc 18, the rotating catch 14 and the limiting gear catch 15 are designed to be independent structures, interference between the two is avoided in the rotating process, the phenomenon of tooth clamping is reduced, the large gear disc 18 can rotate on the central BOS column 5, and the safety belt 8 between the two large gear discs 18 can be pulled out under the external tensile force or extended or automatically retracted by recovering the elastic force of the spring 6, press switch 11 and rotatory upper and lower switch 12 for two press piece with the rotary switch children use loaded down with trivial details, be difficult for opening, the security strengthens, the conventional safety belt can not locking function has been solved, the head of a family is at driving in-process peace and peaceful, safe simple easy operation, ratchet tooth 16 on restriction gear separation blade 15 and the bull gear dish 18 is mirror image structural design, strengthen the atress ability of product and the occlusal force of gear, utilize mounting groove 19 to fix easily in the safety seat back-off, can not produce with other product fixed assembly and rock and sway.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. Automatic recovery of children's safety seat safety belt and locking means, including bearing main part shell (1), its characterized in that: the top of the bearing main body shell (1) is inserted with a press switch (11), the bottom of the press switch (11) is fixedly connected with a press spring (2), a supporting block (4) is integrally formed in the bearing main body shell (1), the bottom end of the press spring (2) is contacted with the top of the supporting block (4), the press switch (11) is sleeved with a lifting blocking piece (3) fixedly connected with the press switch, the top of the bearing main body shell (1) is in threaded connection with a rotary upper and lower switch (12), the bottom end of the rotary upper and lower switch (12) penetrates through and extends into the bearing main body shell (1), the bottom end of the rotary upper and lower switch (12) is fixedly connected with an upper and lower linkage rotating piece (13), the upper and lower linkage rotating piece (13) is sleeved with a rotary blocking piece (14) fixedly connected with the upper and lower linkage rotating piece (13), and the rotary blocking piece (14) is positioned on the right side of the lifting blocking piece (, the upper and lower linkage rotating part (13) is sleeved with a limiting gear blocking piece (15) which is rotationally connected with the limiting gear blocking piece, the inner part of the bearing main body shell (1) is integrally formed to be provided with a central BOS column (5), the central BOS column (5) is sleeved with two gear wheel discs (18) which are rotationally connected with the central BOS column, the outer sides of the two gear wheel discs (18) are integrally formed to be provided with ratchet teeth (16) which are uniformly distributed, the two gear wheel discs (18) are provided with two lock screw holes (17), a positioning screw (7) is fixedly arranged between the two adjacent lock screw holes (17), the bottom of the limiting gear blocking piece (15) is meshed with the ratchet teeth (16), the central BOS column (5) is sleeved with a recovery spring steel sheet (6) which is fixedly connected with the central BOS column, and the recovery spring steel sheet (6) is positioned between the two gear wheel discs (18), the other end and two bull gear dish (18) fixed connection of retrieving spring steel sheet (6), the outside of retrieving spring steel sheet (6) has around having connect and to stretch safety belt (8), the one end and two bull gear dish (18) fixed connection of safety belt (8) of stretching, the other end of stretching safety belt (8) extends to the outside of bearing main body shell (1), mounting groove (19) have been seted up on the left side of bearing main body shell (1).

2. The automatic child safety seat belt retraction and locking device of claim 1, wherein: the press switch (11) is integrally formed with a limiting ring (9), and the limiting ring (9) is located on the inner side of the bearing main body shell (1) and is in contact with the inner top wall of the bearing main body shell (1).

3. The automatic child safety seat belt retraction and locking device of claim 1, wherein: the front and the back of the interior of the bearing main body shell (1) are integrally formed with limit blocks (10), and the two limit blocks (10) are respectively located on the front and the back of the limit gear retaining sheet (15) and are in sliding connection with the limit gear retaining sheet (15).

4. The automatic child safety seat belt retraction and locking device of claim 1, wherein: two the relative one side of bull gear dish (18) is the integrated moulding has spacing block (22), and adjacent two the relative one side of spacing block (22) contacts, spacing block (22) and set screw (7) all are located can stretch between safety belt (8) and retrieve spring steel sheet (6).

5. The automatic child safety seat belt retraction and locking device of claim 1, wherein: the back the front integrated into one piece of bull gear dish (18) has two buckles (20), and is positive two card holes (21), two have been seted up in the front of bull gear dish (18) the positive one end of buckle (20) extends to the front and the card hole (21) joint of card hole (21) respectively.

6. The automatic child safety seat belt retraction and locking device of claim 1, wherein: the rotary blocking piece (14) is square in plan view, and the limiting gear blocking piece (15) is U-shaped in side view.

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