CN201571590U

CN201571590U - Seat belt buckle

Info

Publication number: CN201571590U
Application number: CN2009201241438U
Authority: CN
Inventors: 曾忻婕; 王宇昊
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-07-03
Filing date: 2009-07-03
Publication date: 2010-09-08
Anticipated expiration: 2019-07-03

Abstract

A seat belt buckle comprises a left belt buckle, a right belt buckle, buttons mounted in a baseplate and a cover, a locking device, and an unblanking device, wherein the locking device adopts the structure that a left locking piece and a right locking piece rotating around a pin shaft are connected to a movement board, a left pin column and a right pin column are respectively arranged on the left locking piece and the right locking piece, each locking piece is clung to one end of an elastic body, the other end of the elastic body is connected to the movement board, a small ejector pad with a pressure spring is also connected to the movement board, the movement board is fixed on the baseplate, the unblanking device comprises the left belt buckle, the right belt buckle, and the buttons, a left lock-catch pole and a right lock-catch pole are respectively fixed on the left belt buckle and the right belt buckle, locking springs are fixed on the buttons, the buttons are matched with the left pin column and the right pin column, and the left lock-catch pole and the right lock-catch pole are matched with the small ejector pad, the left locking piece, and the right locking piece. The buckle has the advantages of few parts, and easy manufacture and assembly; at the same time the buckle is provided with a double-locking device, so that the locking force and the bearing capacity are both large; and on a lock cylinder board, the left locking piece and the right locking piece are tightly pressed by flexible sheets and the small ejector pad, so that a common child cannot push the buttons. Therefore, the utility model achieves the purpose of ensuring children's safety.

Description

The seat harness buckle

Technical field

The utility model relates to a kind of and the matching used buckle of safety belt, particularly a kind of seat harness buckle that uses on the children special-purpose seat.

Background technology

The patent No. 200620054802.1; " a kind of buckle of safety belt of seat " is mainly used in the bracelet on automobile, the aircraft seat safety belt; be used to protect the life security of passenger; it is to remove locking state by pressure-locking key; and replace elastic locking with rigid locking; design is gone up simultaneously has special consideration (greater than 60KN) to opening force, guarantees that the children that are suitable for the age can not unlock, and has guaranteed the safety of using.

The patent No. 03205584.6, " a kind of children special-purpose automobile safety seat belt locker " though a kind of safety belt lock catch of suitable children's seat use is provided, its structure is complicated, many, the difficult processing of part, cost height.

Summary of the invention

Technical problem to be solved in the utility model is: a kind of seat harness buckle is provided, and it is simple in structure, easily processing, and coupling mechanism force, bearing capacity are big, normal children oneself can't open release, uses safer.

The technical scheme in the invention for solving the above technical problem is: a kind of seat harness buckle, comprise a left side, right bracelet and be installed in base plate, button in the lid, locking device, opening device, described locking device is by being connected with on the machine core board around a left side, the left side that right bearing pin rotates, right lock dog, a left side, on the right lock dog left side is arranged, right pin, a left side, right lock dog is close to an elastomeric end, the elastomeric other end is connected on the movement, go back the little pushing block of connecting band stage clip on the machine core board, machine core board is fixed on the base plate to be formed, described opening device is by a left side, right bracelet, button constitutes, a described left side, be fixed with a left side on the right bracelet, right locking-bar, be fixed with locking spring on the described button, a described button and a left side, right pin cooperates a described left side, right locking-bar and little pushing block, a left side, right lock dog cooperates.

Compared with prior art, advantage of the present utility model is: this snap fit parts is few, easily processing, easily assembling, has dual locking device simultaneously, the coupling mechanism force large bearing capacity is also big, flexible and little pushing block press a left side on the cylinder plate, right lock dog, unclamp safety belt if will open buckle, must make a left side, right eye-splice bar is thrown off resistance, lock dog is rotated, at this moment must enforce button, the dual-pressure that overcomes flexure strip and locking spring just can make lock dog rotate this coupling mechanism force 〉=60KN, therefore general child can't promote button, just reaches the purpose that the safety that makes the child is protected.Left and right in addition lock dog is to rotate along the left and right lock dog cell wall of cylinder plate around bearing pin when working, and its bearing capacity is delivered on the cylinder plate by lock dog, makes cylinder plate stressed, and bearing pin does not stress, and therefore bearing pin is not fragile, long service life.Moreover when buckle bore pulling force, left and right eye-splice bar acted on the power on the lock dog of the left and right sides, made left and right lock dog and left and right eye-splice bar be in self-locking state, avoided the inefficacy of buckle.Left and right eye-splice bar need close up insertion simultaneously and just can make buckle in running order in the design, the risk that the state that this mistake proofing design has avoided the user only to insert an eye-splice bar uses down.

Description of drawings

Fig. 1, structural representation of the present utility model.

Fig. 2, user mode reference diagram of the present utility model.

Fig. 3, axonometric drawing of the present utility model.

The specific embodiment

Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.

Be fixed with locking spring 18 in the button 3 front end face blind holes, it is the high curved handle that rises that inclined-plane 19, top surface edge are arranged in the middle of the both sides of lower surface projection.

Have through hole to be fixed with stage clip 16 in the middle of the little pushing block 17, there is step-like flange both sides.

Left and right lock dog 14,14 ' one ends have lockhole, the other end have the high left and right pin 13,13 that rises '.

The left and

right bracelet

1,1 of two symmetries ' on have waist shape left and right with holes 2,2 ', and utilize button and flange on the corresponding edge to connect into integral body, the lower surface have with left and right bracelet be injection molded into the left and right eye-splice bar 20,20 that the one metal material is made into ', the arc notch with left and right lock dog 14,14 ' cooperate is arranged on the left and right eye-splice bar one corresponding sidewall.

Base plate 5 one ends are jagged 6, and the joint pin 7 of reference column 8 and band blind hole is arranged on the inwall, and the top edge periphery has male half coupling.

Lid 4, one ends have with base plate on breach 6 corresponding breach, the other end corresponding with breach be and the corresponding arc of button 3 handle shape, lower limb has inner stopper, there is the gathering sill that cooperates with button 3 two edges the inwall centre.

Cylinder plate 10 upper surfaces one end has waist shape with holes 22 and little pushing block hole 11, respectively have on the bottom surface, both sides a left and right bearing pin 21,21 ' left and right lock dog groove 15,15 '.

In the middle of the cylinder plate 10 is cavity, jack is arranged in the middle of one end face, from jack with in left and right eye-splice bar 20,20 ' insertion middle cavity, middle cavity and left and right lock dog groove 15,15 ' communicate, the connecting rod 9 that cooperates with joint pin 7 is arranged on the lower surface, embed the little pushing block 17 of band stage clip 16 at 11 places, little pushing block hole, as shown in Figure 3.

Cylinder plate is by in the blind hole in the joint pin 7 on the 9 insertion base plates 5 of the connecting rod on the lower surface, make cylinder plate 10 and base plate 5, left and right bracelet connect into integral body, left and right bearing pin 21, the 21 ' last left and right lock dog 14,14 of socket ', also be close in the end of left and right lock dog the left and right shell fragment 12,12 of elastomer ' an end, the other end of left and right shell fragment embed left and right lock dog groove 15,15 ' in, the button 3 of tight spring 18 with lock places the upper surface of cylinder plate and is slidingly matched with lid 4, as shown in Figure 3.

The inner stopper of lid 4 usefulness on it is connected with male half coupling on the base plate 5, and the reference column on the base plate 58 inserts and cover in the locating hole of inwall, make cover 4 and base plate 5 is used, on the lower limb outward, inner stopper links into an integrated entity, seat harness snap-fitted one-tenth, as shown in Figure 1.

During use, an end of three safety belts respectively by left and right with holes 2,2 ' and cylinder plate 10 on waist shape with holes 22 be fixed on left and right bracelet 1,1 ' and cylinder plate 10 on, the other end of safety belt is separately fixed on the children's seat, as shown in Figure 2.

If child will be embraced from seat, at this moment need to promote the handle of button 3 downwards with hand, overcome the effect of locking spring 18 power, inclined-plane 19 when button 3 moves down on the button touch left and right lock dog 14,14 ' on left and right pin 13,13 ' time, overcome left and right shell fragment 12,12 ' effect promote left and right lock dog along left and right bearing pin 21,21 ' rotate clockwise and counterclockwise.Make left and right lock dog break away from left and right eye-splice bar 20,20 ' contact, little pushing block 17 goes out cylinder plate 10 with left and right limit eye-splice masthead under the thrust of spring 16, buckle is just opened, be connected left and right bracelet 1,1 ' on two safety belts just break away from and cover 4 and base plate 5, child just can embrace out.

If will lock buckle, if left and right eye-splice bar 20,20 ' close up back inserted in the middle cavity on the cylinder plate 10 and with left and right lock dog 14,14 ' cooperate, and the end is withstood little pushing block 17 again.

Claims

1. seat harness buckle, comprise a left side, right bracelet (1,1 ') and be installed in base plate (5), button (3) in the lid (4), locking device, opening device, it is characterized in that described locking device is by being connected with around a left side on the machine core board (10), right bearing pin (21,21 ') left side of rotating, right lock dog (14,14 '), a left side, on the right lock dog left side is arranged, right pin (13,13 '), a left side, right lock dog is close to an elastomeric end, the elastomeric other end is connected on the machine core board (10), go back the little pushing block (17) of connecting band stage clip (16) on the machine core board, machine core board is fixed on base plate (5) and goes up composition, described opening device is by a left side, right bracelet (1,1 '), button (3) constitutes, a described left side, right bracelet (1,1 ') on be fixed with a left side, right eye-splice bar (20,20 '), be fixed with locking spring (18) on the described button (3), a described button (3) and a left side, right pin (13,13 ') cooperate a described left side, right eye-splice bar (20,20 ') and little pushing block (17), a left side, right lock dog (14,14 ') cooperate.

2. seat harness buckle according to claim 1, it is characterized in that being fixed with locking spring (18) in described button (3) the front end face blind hole, inclined-plane (19) is arranged in the middle of the both sides of lower surface projection, top surface edge is the high curved handle that rises, have through hole to be fixed with stage clip (16) in the middle of the little pushing block (17), there is step-like flange both sides.

3. seat harness buckle according to claim 1 is characterized in that there is the left and right eye-splice bar (20,20 ') of band arc notch on the sidewall described left and right bracelet (1,1 ') lower surface.

4. seat harness buckle according to claim 1, it is characterized in that described cylinder plate (10) upper surface has waist shape (22) with holes and little pushing block hole (11), left and right lock dog groove (15,15 ') with left and right bearing pin (21,21 ') is arranged on the bottom surface, both sides, the centre is a cavity, jack is arranged in the middle of one end face, and middle cavity communicates with left and right lock dog groove (15,15 '), and lower surface has connecting rod (9).

5. seat harness buckle according to claim 1, it is characterized in that described base plate (5) one ends jagged (6), the joint pin (7) that reference column (8) and band blind hole are arranged on the inwall, the top edge periphery has male half coupling, lid (4) one ends jagged (6) other end corresponding with breach is arc, lower limb has inner stopper, and gathering sill is arranged in the middle of the inwall.