CN206884980U - Webbing retractor and safety belt assembly - Google Patents

Abstract

The utility model discloses a kind of Webbing retractor, it uses manual lockable mechanism, and the manual lockable mechanism includes at least one ratchet, at least one spine plate, at least one handle, the spine plate is swingably contacted or separated with the ratchet, and the handle is fixedly connected with the spine plate；By manipulating the handle, spine plate contact with the ratchet can be controlled or separated, and then realize locking or the unblock of the Webbing retractor.Webbing retractor of the present utility model need to only operate the handle when adjusting webbing length and can be carried out adjusting, its operation is simpler than self-locking belt retractor, and avoids the situation that safety belt caused by self-locking belt retractor is failed due to spine plate torsion spring fails.In addition, in further preferred embodiment provided by the utility model, it can also realize and the remote manual of above-mentioned unblock and latch functions is manipulated, be easy to physical disabilities to use.The utility model provides a kind of safety belt assembly using the Webbing retractor simultaneously.

Description

Webbing retractor and safety belt assembly

Technical field

It the utility model is related to safety belt technical field, and in particular to a kind of Webbing retractor.The utility model is in addition A kind of safety belt assembly using the Webbing retractor is provided.

Background technology

Safety belt is that automobile is most basic and most important safety device, can be prevented in car collision secondary The generation of collision, so as to protect the safety of driver and crew.Webbing retractor is the core component of safety belt, and its major function is The length that belt-strap pulls out is adjusted, is effectively protected with providing driver and crew.Webbing retractor can be divided into no locking-type, Self-locking and lock in emergency formula three major types, this three classes Webbing retractor are complementally applied in different safety belt application scenarios.

Self-locking belt retractor therein, spine could be being pushed up open when belt-strap is all wound onto spool Plate, spine plate is separated with ratchet and realize automatic unlocking, can now pull out ribbon, when ribbon moves the length of needs to, spine plate The return in the presence of spine plate torsion spring, so as to plug together in the teeth groove of ratchet, now spool can not rotate counterclockwise, safety belt knits Band can not be further continued for pull-out and realize self-locking, but after unclamping belt-strap, under the reactive torque of wind spring, spool will be clockwise Rotation, the back of tooth that spine plate is slipped on ratchet follow spool to rotate together, so as to which belt-strap is furled on spool.Thus may be used See, when self-locking belt wants to elongate ribbon every time, it is necessary to first by ribbon all retracting on spool to unlock safety belt, side Ribbon can be pulled out to the length needed, its operating process is more complicated, and physical disabilities are difficult to manipulate.

In addition, the return torsion spring of its spine plate of this self-locking belt retractor is a flexible member, easily failure； Once there is the failure of return torsion spring, can cause spine plate can not correct return, in turn result in auto-lock function failure, and cause safety belt Failure, this will cause great potential safety hazard.

Utility model content

The utility model provides a kind of Webbing retractor, more multiple to solve existing self-locking belt retractor operation The problem of miscellaneous, and spine plate torsion spring "Fail-safe" band fails.

To solve above technical problem, the utility model provides a kind of Webbing retractor, including retractor frame, volume Axle, at least one wind spring, lockable mechanism；The retractor frame include relative two side walls and with it is described two relative The bottom plate that side wall is fixedly connected, the both ends of the spool respectively with two relative side walls of the retractor frame rotationally Connection, at least one wind spring are fixedly connected with the spool；The lockable mechanism is used for the belt-strap that locking pulls out, It is set to be fixed on certain length；Characterized in that, the lockable mechanism is manual lockable mechanism, including at least one ratchet, At least one spine plate, at least one handle, at least one ratchet are coaxially fixedly connected with the spool；Described at least one Individual spine plate is pivotably connected with least one in described two side walls of the retractor frame, and the spine plate is swingably Contact or separate with least one ratchet, realize the locking to the ratchet or unblock respectively；At least one handle It is fixedly connected with least one spine plate；By manipulating the handle, spine plate contact with the ratchet can be controlled Or separation.

Preferably, the manual lockable mechanism includes two ratchets, a spine plate, a handle；Described two ratchets point The spool is not arranged at close to the position of the inner side of described two side walls of the coiler, and the teeth of described two ratchets It is corresponding with teeth groove difference；The both ends of one spine plate are pivotably connected with described two side walls, its length and described two Width between individual side wall matches；One handle is fixedly connected with one spine plate.

Preferably, the manual locking system also includes spine plate stopping means, and the stopping means includes clutch, compression Axial projection, radial projection and stopper slot on spring and clutch, the clutch are arranged in described two ratchets Between one and the side wall adjacent with the ratchet, the compression spring is arranged at the clutch and adjacent with the clutch The side wall between；Stopper slot is offered in the side wall adjacent with the clutch, the axial projection is located at the limit In the groove of position, it can be slided in it；When the axial projection is slided in the stopper slot, the radial projection and the spine are driven Plate contacts or separation, when the radial projection contacts with the spine plate, the position of the spine plate under the support of the radial projection Put and keep constant, ensure that it is constantly in released state with the ratchet, ensure the correct execution of unlocking function；When the radial direction When projection separates with the spine plate, the spine plate can contact with the ratchet, ensure the realization of latch functions.

Preferably, the spine plate is arranged at the opposite side of the ribbon discrepancy side of the Webbing retractor.

Preferably, the spine plate is arranged at the obliquely downward of the ratchet, its described two side with the retractor frame Bottom plate of the link position of wall close to the retractor frame.

Preferably, the spine plate is irregular rectangular shape, is respectively provided with its position corresponding with described two ratchets There is ratchet contact jaw, the ratchet contact jaw is swingably contacted or separated with described two ratchets；And the spine plate both ends are equal Connection end is provided with, position corresponding with two connection ends of the spine plate offers the connection of spine plate respectively in described two side walls Hole, the size of the spine plate connecting hole match with the corresponding spine plate connection end, and can connect the corresponding spine plate Connect end to swing wherein, the angle of swing ensures that the ratchet contact jaw can be contacting and separating with described two ratchets；The spine The corresponding spine plate connecting hole is inserted in two connection ends of plate respectively, and the both ends and described two side walls for realizing the spine plate can Swing connection.

Preferably, the spine plate is additionally provided with spine plate middle-end, and the spine plate middle-end is arranged at the described two of the spine plate Between ratchet connection end, to avoid belt-strap, the spine plate middle-end has certain angle of inclination.

Preferably, the Webbing retractor also includes the remote control of the manual lockable mechanism, passes through operation The remote control can realize the remote control to the manual lockable mechanism.

Preferably, the remote control is pulled including hand, hand pulls linkage unit, control line, mounting seat, the hand pull with The mounting seat rotation connection, the hand pull linkage unit and pull and can be connected with the hand synchronous hunting；The one of the control line End is pulled linkage unit with the hand and is fixedly connected, and the other end is fixedly connected with the spine plate；The hand pulls the swing of linkage unit Can be swung by spine plate described in the control line traffic control, so the control spine plate swingably with it is described at least one Ratchet contacts or separation.

Preferably, the hand pull linkage unit include bracket, it is first-hand pull STATEMENT OF FEDERALLY SPONSORED, second-hand pulls STATEMENT OF FEDERALLY SPONSORED, rotating bar, Torsion spring；The opposite that the bracket is connected the one side that the hand is pulled with the mounting seat is fixedly connected；It is described first-hand to pull STATEMENT OF FEDERALLY SPONSORED Rotation connection is pulled with the hand, first-hand pull is additionally provided with synchronous end in STATEMENT OF FEDERALLY SPONSORED, the synchronous end is pulled with the hand can be same Step swingingly connects, and first-hand pull is additionally provided with pressure head in STATEMENT OF FEDERALLY SPONSORED；The second-hand, which pulls, is provided with contact in STATEMENT OF FEDERALLY SPONSORED End, the contact jaw is located at the lower section of the first-hand pressure head for pulling STATEMENT OF FEDERALLY SPONSORED, and can be contacted with the pressure head；The rotating bar It is connected with the carriage turns, and pulls STATEMENT OF FEDERALLY SPONSORED with the second-hand and be fixedly connected；One end of the torsion spring is consolidated with the bracket Fixed connection, the other end are fixedly connected with rotating bar；The hand, which pulls linkage unit and pulls to be connected with the hand synchronous hunting, to be referred to Pull and can be connected with the hand synchronous hunting in the first-hand synchronous end for pulling STATEMENT OF FEDERALLY SPONSORED；One end of the control line and institute State hand and pull linkage unit and be fixedly connected and refer to that one end of the control line is pulled STATEMENT OF FEDERALLY SPONSORED with the second-hand and is fixedly connected.

Preferably, the remote control also include microswitch, rotating bar contact, the rotating bar contact with it is described Rotating bar is fixedly connected, and the microswitch is fixedly mounted on the bracket, its installation site close to the rotating bar contact, And the rotating bar contact is swingably contacted or separated with the microswitch；The other end of the torsion spring and the rotating bar It is fixedly connected and refers to that the other end of the torsion spring is fixedly connected with the rotating bar contact.

Preferably, the remote control also includes warning device, and the warning device is connected with the microswitch Connect, for prompting the working condition of the remote control.

Meanwhile the utility model also provides a kind of safety belt assembly using Webbing retractor described above.

Compared with prior art, the utility model has advantages below:

Webbing retractor provided by the utility model manually operation handle can realize its unblock and latch functions, I.e.：By lower handle, spine plate is separated with ratchet, realize unblock；Handle is lifted, spine plate is contacted with ratchet, and then plug together spine In the teeth groove of wheel, locking is realized.Therefore, when needing to adjust webbing length every time, only need to suitably be elongated by lower handle can Or short safety belt ribbon is received to suitable length, then lift handle, you can ribbon is fixed on to the length adjusted.Due to this reality It need not be tripped when adjusting webbing length with the Webbing retractor of new offer and all withdraw ribbon, make its operation than existing skill The self-locking belt retractor that art provides is simple.

Secondly, the belt reel device is fitted without spine plate torsion spring, but manually operation handle makes spine plate return, keeps away Exempt from safety belt caused by failing due to spine plate torsion spring to fail, improve the security of safety belt.

In addition, in further preferred embodiment provided by the utility model, can also realize to above-mentioned unblock and The remote manual manipulation of latch functions, so as to which manual manipulation device to be placed in the position for leg physical disabilities operation of being more convenient for Put, solve the problems, such as that physical disabilities use of seat belts difficulty, make it particularly suited for needing to use the leg disabled of wheelchair Scholar.

Brief description of the drawings

Fig. 1 is the schematic top plan view of Webbing retractor of the present utility model.

Fig. 2 is the schematic diagram of the retracting device assembly 1 in the utility model.

Fig. 3 is the schematic diagram of the spine plate in the utility model.

Fig. 4 is the front view of the remote control 2 in the utility model.

Fig. 5 is the exploded view of the remote control 2 in the utility model.

In Fig. 1-5, relevant reference is as follows：

Webbing retractor component 1, remote control 2, control line 3；

Retractor frame 1-1, spool 1-2, lockable mechanism 1-3, ribbon discrepancy side 1-4；

The first side wall 1-1-1, second sidewall 1-1-1 '；

First spine plate connecting hole 1-1-1-1；

Ratchet 1-3-1, spine plate 1-3-2, handle 1-3-3, clutch 1-3-4, axial projection 1-3-6, stopper slot 1-3-7；

Ratchet contact jaw 1-3-2-1, the first connection end 1-3-2-2, second connection end 1-3-2-2 ', spine plate middle-end 1-3- 2-3；

Hand pulls 2-1, hand pulls linkage unit 2-2, mounting seat 2-3, microswitch 2-4, rotating bar contact 2-5, connecting rod 2- 6th, wire 2-7；

Hand contact jaw 2-1-1, hand pull connecting hole 2-1-2, connection end 2-1-3；

Connecting rod passes through hole 2-1-3-1；

Bracket 2-2-1, it is first-hand pull STATEMENT OF FEDERALLY SPONSORED 2-2-2, second-hand pulls STATEMENT OF FEDERALLY SPONSORED 2-2-3, rotating bar 2-2-4, torsion spring 2- 2-5；

Bracket connecting hole 2-2-1-1；Control line fixing end 2-2-1-2

First connecting hole 2-2-2-1, synchronous end 2-2-2-2, pressure head 2-2-2-3；

Contact jaw 2-2-3-1, the second connecting hole 2-2-3-2, control line connection end 2-2-3-3；

Mounting seat connecting hole 2-3-1.

Embodiment

Many details are elaborated in the following description in order to fully understand the utility model.But this practicality is new Type can be to be much different from other manner described here to implement, and those skilled in the art can be new without prejudice to this practicality Similar popularization is done in the case of type intension, therefore the utility model is not limited by following public specific implementation.

Fig. 1 is refer to, the figure is the structural representation of the Webbing retractor of the present embodiment, and it includes Webbing retractor Component 1, remote control 2, control line 3.

(do not scheme as shown in Fig. 2 the Webbing retractor component 1 includes retractor frame 1-1, spool 1-2, wind spring Show), lockable mechanism 1-3, ribbon come in and go out side 1-4.

The retracting device assembly 1 is used to pulling out or winding belt-strap, and by the lockable mechanism 1-3 to pulling out Ribbon carry out locking and unblock.

The lockable mechanism 1-3 phases that the remote control 2 passes through retracting device assembly 1 described in the control line 3 Even, for lockable mechanism 1-3 described in remote control, and then long-range locking or the unblock retracting device assembly 1 are realized.

As shown in Fig. 2 the retractor frame 1-1 includes two relative side walls：The first side wall 1-1-1 and second sidewall 1-1-1 ', and the bottom plate 1-1-2 being fixedly connected with described two relative side walls.

As shown in Fig. 2 the both ends of the spool 1-2 respectively with the first side wall 1-1-1 of the retractor frame 1-1 and Second sidewall 1-1-1 ' is rotatably coupled, and the wind spring (not shown) is fixedly connected on the spool 1-2 close to described second The end in side wall 1-1-1 ' outside.

As shown in Fig. 2 the lockable mechanism 1-3 is used for the belt-strap that locking pulls out, it is set to be fixed on certain length Degree, it includes ratchet 1-3-1, spine plate 1-3-2, handle 1-3-3, clutch 1-3-4, compression spring (not shown), axial projection 1-3-6, stopper slot 1-3-7, radial projection (not shown).

The clutch 1-3-4, the compression spring (not shown), the axial projection 1-3-6, the stopper slot 1-3- 7th, the radial projection stopping means (not shown) for forming the spine plate 1-3-2, for ensureing the Webbing retractor The correct execution of locking and unlocking function.

As shown in Fig. 2 the ratchet 1-3-1 is two, the spool 1-2 is respectively arranged at close to the first side wall 1- The position of 1-1 and second sidewall 1-1-1 ' inner side.

As shown in Fig. 2 the spine plate 1-3-2 is located at the ribbon discrepancy side 1-4 of Webbing retractor opposite side, and It is arranged at described two ratchet 1-3-1 obliquely downward, and its both ends and described two side walls of the retractor frame are swingable Ground connects, and link position is close to the bottom plate of the retractor frame.

As described in Figure 3, the spine plate 1-3-2 is irregular rectangular shape, its length and the first side wall 1-1-1 Width between second sidewall 1-1-1 ' matches；It is provided with spine in position corresponding with described two ratchet 1-3-1 Take turns contact jaw 1-3-2-1；And its both ends is respectively arranged with connection end：The first connection end being connected with the first side wall 1-1-1 The 1-3-2-2 and second connection end 1-3-2-2 ' being connected with the second sidewall 1-1-1 '.

Fig. 2 is come back to, position corresponding with the first connection end 1-3-2-2 opens up on the first side wall 1-1-1 There is the first spine plate connecting hole 1-1-1-1, it is similarly, corresponding with the second connection end 1-3-2-2 ' on the second sidewall 1-1-1 ' Position offer the second spine plate connecting hole (not shown), and the hole position is in the ratchet 1-3-1 obliquely downward and close to the bottom Plate 1-1-2, the first spine plate connecting hole 1-1-1-1 and the second spine plate connecting hole (not shown) size are respectively with described One connection end 1-3-2-2 and second connection end 1-3-2-2 ' match, and can make the first connection end 1-3-2-2 and second Connection end 1-3-2-2 ' is swung wherein respectively, and the angle of swing ensures that described two ratchet contact jaw 1-3-2-1 can be swingingly Contact or separate with described two ratchet 1-3-1 respectively, to realize locking or the unblock to described two ratchets.Described first The connection end 1-3-2-2 and second connection end 1-3-2-2 ' being connected with the second sidewall inserts the first spine plate and connected respectively Connect in hole 1-1-1-1 and the second spine plate connecting hole (not shown), realize the both ends of the spine plate 1-3-2 respectively with it is described Two side walls 1-1-1's and 1-1-1 ' is pivotably connected.

As shown in figure 3, the spine plate 1-3-2 is additionally provided with spine plate middle-end 1-3-2-3, it is located at the contact of described two ratchets Between holding 1-3-2-1, to avoid belt-strap, the spine plate middle-end 1-3-2-3 has certain angle of inclination.In the spine plate End can not only strengthen the intensity of the spine plate 1-3-2, can also by setting its angle of inclination, when ribbon is all withdrawn, Withstood by the Volume Space of ribbon, rather than described two ratchet contact jaw 1-3-2-1 are withstood so that the spine plate 1- 3-2 separates with described two ratchet 1-3-1, to realize the retracting device assembly 1 automatic unlocking when ribbon is all wound.So Setting is advantageous in that the angle of inclination by adjusting the spine plate middle-end 1-3-2-3 can be such that the spine plate 1-3-2 adapts to not With the ribbon of length.

As shown in figure 3, the handle 1-3-3 is fixedly connected with the spine plate 1-3-2.By operating the handle 1-3-3, The spine plate 1-3-2 and described two ratchet 1-3-1 contact can be controlled or separated, and then realized respectively to described two spine Take turns 1-3-1 locking or unblock.

Fig. 2 is returned, the clutch 1-3-4 is disposed in proximity to the ratchet 1-3-1 of the first side wall 1-1-1 Between the first side wall 1-1-1 adjacent with the ratchet；The compression spring (not shown) is arranged at the clutch 1- Between 3-4 and the first side wall 1-1-1 adjacent with the clutch；The stopper slot 1-3-7 is opened in the first side wall On 1-1-1, the axial projection 1-3-6 is located in the stopper slot, can be slided in it.The axial projection 1-3-6 is described When being slided in stopper slot 1-3-7, the radial projection (not shown) is driven to contact or separate with the spine plate 1-3-2.The footpath When being contacted to projection (not shown) with the spine plate 1-3-2, the spine plate 1- under the support of the radial projection (not shown) 3-2 position keeps constant, and the spine plate is fixed on to the position separated with described two ratchet 1-3-1, ensures unlocking function It is correct to perform；When the radial projection (not shown) separates with the spine plate 1-3-2, the spine plate 1-3-2 can with it is described Two ratchet 1-3-1 contacts, ensure the realization of latch functions.The spine plate 1-3- when purpose of such setting is to unblock 2 position is fixed, and ensures under released state, the spine plate 1-3-2 is in what is separated with described two ratchet 1-3-1 all the time Position, reset because of reasons such as body oscillatings the spine plate 1-3-2 causes unblock to be failed, so as to ensure that unblock work( The correct execution of energy.

Fig. 4 is refer to, the figure is the front view of the remote control 2, and it includes, and hand pulls 2-1, hand pulls linkage unit 2-2, mounting seat 2-3, microswitch 2-4, rotating bar contact 2-5.

Include bracket 2-2-1 as shown in figure 5, the hand pulls linkage unit 2-2, first-hand pull STATEMENT OF FEDERALLY SPONSORED 2-2-2, second-hand Pull STATEMENT OF FEDERALLY SPONSORED 2-2-3, rotating bar 2-2-4, torsion spring 2-2-5.

As shown in figure 5, the hand, which pulls 2-1, is provided with about rectangle, it is provided with relative front and rear two upwardly extended Individual side wall and the bottom plate being connected with the front-rear side walls, and its left end is provided with the hand contact jaw 2-1-1 tilted down, Pulled in order to operate the hand.The end away from the hand contact jaw 2-1-1 is corresponding on described two relative front-rear side walls Position offers hand and pulls connecting hole 2-1-2.

The mounting seat 2-3 is about rectangle, and its surrounding is provided with the side wall extended downwardly, before two of which is relative The width that width and the hand between rear wall are pulled between 2-1 two relative front-rear side walls matches, the mounting seat Described two relative front-rear side walls on offer that to pull connecting hole 2-1-2 with the hand corresponding close to the position of upper end Mounting seat connecting hole 2-3-1.Connecting rod 2-6 pulls connecting hole 2-1-2 and the connection of described two mounting seats through described two hands Hole 2-3-1, realize that the hand pulls 2-1 and the mounting seat 2-3 rotation connection.

The bracket 2-2-1 is about U-shaped, is fixedly installed in the top surface of the mounting seat 2-3, and with two it is relative before Rear wall, and the connection wall being connected with described two relative side walls, the connection wall are located at a left side of the mounting seat 2-3 Side.Corresponding position is provided with bracket connecting hole 2-2-1-1 in described two side walls, for connecting the rotating bar 2-2-4。

It is described it is first-hand pull that STATEMENT OF FEDERALLY SPONSORED 2-2-2 is about U-shaped, it has two relative front-rear side walls, and described in connection The connection wall of two relative front-rear side walls, and the first-hand STATEMENT OF FEDERALLY SPONSORED opening of pulling is towards a left side；Close to institute on two front-rear side walls State position corresponding on the end of connection wall and offer the first connecting hole 2-2-2-1, the connecting rod 2-6 and also run through institute Two the first connecting hole 2-2-2-1 are stated, realize that the first-hand STATEMENT OF FEDERALLY SPONSORED 2-2-2 that pulls pulls 2-1 rotation connection with the hand.

The synchronous end 2- extended forward is also fixedly connected with the first-hand front side wall for pulling STATEMENT OF FEDERALLY SPONSORED 2-2-2 2-2-2, the synchronous end are in the form of a column, and the hand is pulled on position corresponding with the synchronous end 2-2-2-2 on the 2-1 bottom plate Be provided with the connection end 2-1-3 upwardly extended, the connection end pulls the 2-1 front side wall close to the hand, its top in hook-shaped, Its underpart position corresponding with the mounting seat connecting hole 2-3-1 offers connecting rod by hole 2-1-3-1, and its height and institute The height for stating synchronous end 2-2-2-2 matches.The connecting rod 2-6 passes through the connecting rod by hole 2-1-3-1, with the company End 2-1-3 is met to be rotatably connected, and the synchronous end 2-2-2-2 of column passes through hook-shaped connection end 2-1-3 dog hole, Together with the connection end 2-1-3 clasp joints, realize that the synchronous end 2-2-2-2 pulls 2-1 synchronous hunting company with the hand Connect.

End away from its connection wall on the first-hand described two relative front-rear side walls for pulling STATEMENT OF FEDERALLY SPONSORED 2-2-2 The corresponding position in portion is provided with pressure head 2-2-2-3, and the pressure head is used to drive the second-hand to pull STATEMENT OF FEDERALLY SPONSORED 2-2-3 synchronously pendulum It is dynamic.

Accordingly, it is also about U-shaped to pull STATEMENT OF FEDERALLY SPONSORED 2-2-3 by the second-hand, and it is open also towards a left side, it may have two relative Side wall, the corresponding position in end for pulling STATEMENT OF FEDERALLY SPONSORED openend in two relative side walls close to the second-hand are provided with and connect Contravention 2-2-3-1, the contact jaw are upward；And two contact jaw 2-2-3-1 are located at two pressure head 2-2-2-3 Lower section, can be contacted with two pressure head 2-2-2-3 so that described two pressure head 2-2-2-3 and described two described Contact jaw 2-2-3-1 can do synchronous hunting.Corresponding position offers the second connecting hole 2-2-3-2 in two side walls, For connecting the rotating bar 2-2-4.The second-hand, which pulls, is additionally provided with control line connection end 2-2-3-3 on STATEMENT OF FEDERALLY SPONSORED 2-2-3, For connecting the control line 3.

The rotating bar 2-2-4 runs through two bracket connecting hole 2-2-1-1 and two the second connecting hole 2- 2-3-2, it is rotatablely connected with two bracket connecting hole 2-2-1-1, and is fixed with two the second connecting hole 2-2-3-2 Connection, realizes the rotating bar 2-2-4 and the bracket 2-2-1 rotation connection, and pull linkage with the second-hand respectively Part 2-2-3's is fixedly connected.

The rotating bar contact 2-5 is fixedly connected with the rotating bar 2-2-4, and link position is close to described in the bracket Front side wall.

The microswitch 2-4 is fixedly mounted on the outside of the front side wall of the bracket, and its installation site is close The rotating bar contact 2-5, the rotating bar contact 2-5 are swingably contacted or separated with the microswitch 2-4.It is described micro- The action of the rotation contact 2-5 is converted into electric signal by dynamic switch 2-4, the operating state for the remote control 2 Prompted, now need to be equipped with warning device (alarm lamp, voice guard etc.), the warning device is passed through into wire 2-7 Connected with the microswitch 2-4, it is described when the rotating bar contact 2-5 contacts with the microswitch 2-4 Warning device is prompted in the form of certain, and the rotating bar contact 2-5 separated with the microswitch 2-4 at that time When, the report when acoustic-optic alarm different from the rotating bar contact 2-5 with the microswitch 2-4 by contact Alert form is prompted.

The torsion spring 2-2-5 is socketed in the rotating bar 2-2-4 close to the end of the rotating bar contact 2-5, its one end It is fixedly connected with the front side wall of the bracket 2-2-1, the other end is fixedly connected with the rotating bar contact 2-5, for realizing Automatically reseting for rotating bar 2-2-4 is stated, so as to drive the rotating bar contact 2-5 and the second-hand to pull STATEMENT OF FEDERALLY SPONSORED 2-2-3 and answer Position.

One end of the control line 3 is connected with the spine plate 1-3-2, and the other end of the control line is pulled with the second-hand The control line connection end 2-2-3-3 on STATEMENT OF FEDERALLY SPONSORED 2-2-3 is fixedly connected.For the fixation control line 3, the bracket 2-2- Control line fixing end 2-2-1-2 is additionally provided with 1 connection wall, the position of the control line fixing end connects with the control line The position line for meeting end 2-2-3-3 is corresponding so that the control line 3 is linear, to reach preferable control effect.Need what is illustrated It is that the control line 3 can be single, or more, in the present embodiment, employ 2 control lines, you can reach Reliable and stable control effect.

Webbing retractor operation principle in the present embodiment is as follows：When belt-strap is not pulled out all wound on institute When stating on spool, spine plate 1-3-2 tops are opened by the Volume Space of ribbon and separated as described two ratchet 1-3-1, without The hand for operating the handle or the remote control 2 pulls 2-1, you can pulls straight out ribbon.When ribbon is drawn out, institute The spool 1-2 rotates in the presence of stating wind spring (not shown), and the clutch 1-3-4 is in the compression spring (not shown) Rotated with effect, the axial projection 1-3-6 and radial projection (not shown) also concomitant rotation, due to the stopper slot 1-3-7 effect, the axial projection 1-3-6 turn to certain angle and will stopped operating, and the clutch 1-3-4 also stops therewith Spin-ended turn, now the radial projection (not shown) just turns to contacts with the spine plate 1-3-2, so as to by the spine plate 1- 3-2 is supported to be separated with described two ratchet 1-3-1, and the lockable mechanism 1-3 locates always during ensure that ribbon pull-out In released state.When ribbon to be pulled out to the length of needs, safety belt dead bolt is inserted and latched, now the active force on ribbon Reduce, under the reactive torque effect of the wind spring (not shown), ribbon will have the backrush of certain length, the spool 1-2 Rotate backward therewith, the clutch 1-3-4 is also rotated backward necessarily therewith in the presence of the compression spring (not shown) Angle, the radial projection (not shown) also rotate backward therewith, so that the radial projection (not shown) and the spine plate 1-3-2 is separated, and the hand for now lifting the handle 1-3-3 or described remote controls 2 pulls 2-1 so that the spine plate The 1-3-2 ratchet contact jaw 1-3-2-1 contacts with described two ratchet 1-3-1, to realize safety belt described in manual locking Furl device assembly 1.

When the Webbing retractor component 1 is in lockup state, belt-strap can only backrush and can not elongate, it is real Protective effect of the safety belt to driver and crew is showed.Now want to elongate ribbon, it is only necessary to pull down the handle 1-3-3 or described Hand pulls 2-1 so that the spine plate 1-3-2 and described two ratchet 1-3-1 separation is realized after unblock, it is possible to ribbon is elongated, It will be all unlocked without tripping in ribbon winding to the spool.When elongating ribbon, the operation principle of the coiler As operation principle during with pulling out ribbon.

The operation principle of the remote control 2 in the present embodiment is as follows：Operator pulls down the hand and pulls 2-1 manually On the hand contact jaw 2-1-1 so that the hand pulls 2-1 to lower swing, simultaneously because the hand pulls the connection on 2-1 2-1-3 and the first-hand synchronous end 2-2-2-2 connections pulled on STATEMENT OF FEDERALLY SPONSORED 2-2-2 are held, drives and described first-hand pulls connection Moving part 2-2-2 is also to lower swing, and the first-hand described two pressure head 2-2-2-3 for pulling STATEMENT OF FEDERALLY SPONSORED 2-2-2 are therewith to the bottom It is dynamic, it press against the second-hand being disposed below and pull STATEMENT OF FEDERALLY SPONSORED 2-2-3 described two contact jaw 2-2-3-1 and do synchronous hunting, So as to drive the second-hand to pull STATEMENT OF FEDERALLY SPONSORED 2-2-3 and the control line connection end 2-2-3-3 thereon to lower swing, final band The spine plate 1-3-2 is moved to swing out so that the spine plate 1-3-2 separates realization unblock with described two ratchet 1-3-1.With this Meanwhile the second-hand pulls STATEMENT OF FEDERALLY SPONSORED 2-2-3 and drives the rotating bar 2-2-4 rotate counterclockwises for being secured to connection, and then The rotating bar contact 2-5 is driven to lower swing until being contacted with the microswitch 2-4, now the warning device is with default Alarm form prompt the Webbing retractor to be in released state.

When needing to carry out locking to the retracting device assembly 1, operator pulls the hand hand contact jaw on 2-1 2-1-1 is lifted so that the hand is pulled 2-1 and is swung up, and drives the first-hand STATEMENT OF FEDERALLY SPONSORED 2-2-2 that pulls also to be swung up, described The first-hand described two pressure head 2-2-2-3 for pulling STATEMENT OF FEDERALLY SPONSORED 2-2-2 are swung up therewith, with the second-hand being disposed below STATEMENT OF FEDERALLY SPONSORED 2-2-3 described two contact jaw 2-2-3-1 separation is pulled, now, in the presence of the torsion spring 2-2-5, described turn Lever 2-2-4 turns clockwise reset, drives the second-hand for being secured to connection to pull STATEMENT OF FEDERALLY SPONSORED 2-2-3 and the rotating bar Contact 2-5 is swung up so that the control line connection end 2-2-3-3 is swung up, and finally drives the spine plate 1-3-2 inside Swing and cause the spine plate 1-3-2 contacts with described two ratchet 1-3-1 to realize manual locking.At the same time, the rotating bar Contact 2-5 is swung up separating with the microswitch 2-4, alarm when now the warning device is with different from released state Form prompts the Webbing retractor to be in lockup state.

Although the utility model is disclosed as above with preferred embodiment, its be not for limiting the utility model, it is any Those skilled in the art are not being departed from spirit and scope of the present utility model, can make possible variation and modification, because This scope of protection of the utility model should be defined by the scope that the utility model claims are defined.

Claims (13)

1. a kind of Webbing retractor, including retractor frame, spool, at least one wind spring, lockable mechanism；The coiler frame Frame includes two relative side walls and the bottom plate being fixedly connected with described two relative side walls, the both ends difference of the spool It is rotatably coupled with two relative side walls of the retractor frame, at least one wind spring is fixed with the spool to be connected Connect；The lockable mechanism is used for the belt-strap that locking pulls out, and it is fixed on certain length；It is characterized in that, described Lockable mechanism is manual lockable mechanism, including at least one ratchet, at least one spine plate, at least one handle, described at least one Individual ratchet is coaxially fixedly connected with the spool；Described two side walls of at least one spine plate and the retractor frame In it is at least one be pivotably connected, the spine plate is swingably contacted or separated with least one ratchet, real respectively The now locking to the ratchet or unblock；At least one handle is fixedly connected with least one spine plate；Pass through manipulation The handle, spine plate contact with the ratchet can be controlled or separated.

2. Webbing retractor as claimed in claim 1, it is characterised in that the manual lockable mechanism include two ratchets, One spine plate, a handle；Described two ratchets are respectively arranged at described two side walls of the spool close to the coiler Inner side position, and the teeth of described two ratchets and teeth groove difference it is corresponding；The both ends of one spine plate and described two Individual side wall is pivotably connected, and the width between its length and described two side walls matches；One handle and described one Individual spine plate is fixedly connected.

3. Webbing retractor as claimed in claim 2, it is characterised in that it is spacing that the manual locking system also includes spine plate Device, the stopping means include axial projection, radial projection and stopper slot on clutch, compression spring and clutch, The clutch is arranged between one in described two ratchets and the side wall adjacent with the ratchet, the compression spring It is arranged between the clutch and the side wall adjacent with the clutch；Opened in the side wall adjacent with the clutch Provided with stopper slot, the axial projection is located in the stopper slot, can be slided in it；The axial projection is in the stopper slot During slip, the radial projection is driven to contact or separate with the spine plate, when the radial projection contacts with the spine plate, in institute The position for stating the spine plate under the support of radial projection keeps constant, ensures that it is constantly in released state with the ratchet, protects Demonstrate,prove the correct execution of unlocking function；When the radial projection separates with the spine plate, the spine plate can connect with the ratchet Touch, ensure the realization of latch functions.

4. Webbing retractor as claimed in claim 2, it is characterised in that the spine plate is arranged at the Webbing retractor Ribbon come in and go out side opposite side.

5. Webbing retractor as claimed in claim 4, it is characterised in that the spine plate be arranged at the ratchet it is oblique under Side, bottom plate of its link position with described two side walls of the retractor frame close to the retractor frame.

6. Webbing retractor as claimed in claim 2, it is characterised in that the spine plate is irregular rectangular shape, Its position corresponding with described two ratchets is provided with ratchet contact jaw, the ratchet contact jaw swingably with it is described two Ratchet contacts or separation；And the spine plate both ends are provided with connection end, two companies in described two side walls with the spine plate Position corresponding to connecing end offers spine plate connecting hole, the size of the spine plate connecting hole and the corresponding spine plate connection end respectively Match, and the corresponding spine plate connection end can be made to swing wherein, the angle of swing ensures the ratchet contact jaw energy It is contacting and separating with described two ratchets；The corresponding spine plate connecting hole is inserted in two connection ends of the spine plate respectively, real The both ends of the existing spine plate and the swingable connection of described two side walls.

7. Webbing retractor as claimed in claim 6, it is characterised in that the spine plate is additionally provided with spine plate middle-end, described Spine plate middle-end is arranged between described two ratchet connection ends of the spine plate, to avoid belt-strap, the spine plate middle-end With certain angle of inclination.

8. Webbing retractor as claimed in claim 1, it is characterised in that the Webbing retractor also includes described manual The remote control of lockable mechanism, it can be realized to the remote of the manual lockable mechanism by operating the remote control Process control.

9. Webbing retractor as claimed in claim 8, it is characterised in that the remote control is pulled including hand, hand is pulled Linkage unit, control line, mounting seat, the hand are pulled to be rotatablely connected with the mounting seat, and the hand pulls linkage unit and the hand Pull to connect synchronous hunting；One end of the control line is pulled linkage unit with the hand and is fixedly connected, the other end and the spine Plate is fixedly connected；The swing that the hand pulls linkage unit can be swung by spine plate described in the control line traffic control, and then The spine plate is controlled swingably to contact or separate with least one ratchet.

10. Webbing retractor as claimed in claim 9, it is characterised in that the hand, which pulls linkage unit, includes bracket, first Hand pulls STATEMENT OF FEDERALLY SPONSORED, second-hand pulls STATEMENT OF FEDERALLY SPONSORED, rotating bar, torsion spring；The bracket is connected the one side that the hand is pulled with the mounting seat Opposite be fixedly connected；The first-hand STATEMENT OF FEDERALLY SPONSORED of pulling pulls rotation connection with the hand, and first-hand pull also sets in STATEMENT OF FEDERALLY SPONSORED Synchronous end is equipped with, the synchronous end is pulled with the hand and can be connected synchronous hunting, and first-hand pull is additionally provided with pressure in STATEMENT OF FEDERALLY SPONSORED Head；The second-hand, which pulls, is provided with contact jaw in STATEMENT OF FEDERALLY SPONSORED, the contact jaw is located at the first-hand pressure head for pulling STATEMENT OF FEDERALLY SPONSORED Lower section, and can be contacted with the pressure head；The rotating bar is connected with the carriage turns, and is pulled STATEMENT OF FEDERALLY SPONSORED with the second-hand and consolidated Fixed connection；One end of the torsion spring is fixedly connected with the bracket, and the other end is fixedly connected with rotating bar；The hand pulls linkage groups Part pulled with the hand can connect synchronous hunting refer to that the first-hand synchronous end for pulling STATEMENT OF FEDERALLY SPONSORED is pulled with the hand can be same Step swingingly connects；One end of the control line and the hand pull linkage unit be fixedly connected refer to one end of the control line with The second-hand pulls STATEMENT OF FEDERALLY SPONSORED and is fixedly connected.

11. Webbing retractor as claimed in claim 10, it is characterised in that the remote control is also opened including fine motion Close, rotating bar contact, the rotating bar contact is fixedly connected with the rotating bar, and the microswitch is fixedly mounted on the support On frame, its installation site is close to the rotating bar contact, and the rotating bar contact swingably contacts with the microswitch Or separation；The other end of the torsion spring is fixedly connected with the other end for referring to the torsion spring with the rotating bar and the rotating bar is touched Head is fixedly connected.

12. Webbing retractor as claimed in claim 11, it is characterised in that the remote control also includes alarm dress Put, the warning device is connected with the microswitch, for prompting the working condition of the remote control.

13. a kind of safety belt assembly, it is characterised in that including the safety belt retracting described in the claims 1-12 any one Device.