CN208813155U - A kind of safety belt lock tongue and safety belt lock catch assembly - Google Patents

A kind of safety belt lock tongue and safety belt lock catch assembly Download PDF

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Publication number
CN208813155U
CN208813155U CN201821027172.8U CN201821027172U CN208813155U CN 208813155 U CN208813155 U CN 208813155U CN 201821027172 U CN201821027172 U CN 201821027172U CN 208813155 U CN208813155 U CN 208813155U
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CN
China
Prior art keywords
lock
safety belt
lock tongue
ribbon
tongue
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201821027172.8U
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Chinese (zh)
Inventor
谢英超
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Dingli Tianyi Auto Parts Stock Co Ltd
Original Assignee
Zhejiang Dingli Tianyi Auto Parts Stock Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority to CN201821027172.8U priority Critical patent/CN208813155U/en
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Abstract

The utility model belongs to safety belt technical field, refers in particular to a kind of safety belt lock tongue.Including lock tongue main body, the lock tongue includes grip part and the sticking department that the grip part side is arranged in, and is opened up on the grip part there are two ribbon mouth, two ribbon mouths are divided into the first ribbon mouth and the second ribbon mouth.The utility model is compared with traditional lock tongue, it increases one and wears ribbon mouth, frictional force between ribbon and lock tongue makes ribbon effectively be fixed on safety belt any position, effectively improves product comfort, and the phenomenon that hitting trim panel is avoided the occurrence of after being assembled to it on safety belt;And the structure lock tongue is used, letter buckle position limiting structure required for traditional locks tongue can be cancelled, reduce production cost, makes product in similar product with more the market competitiveness.

Description

A kind of safety belt lock tongue and safety belt lock catch assembly
Technical field
The utility model belongs to safety belt technical field, refers in particular to a kind of safety belt lock tongue and safety belt lock catch assembly.
Background technique
Now with the development and progress of science and technology, almost every household has automobile accordingly, results in running car There is relatively high traffic risk in the process;Safety belt is to ensure that our safety are most effective when meeting with an accidet in the trip of our automobiles Important device the most direct.Automotive safety belt lock tongue is an important part in car belt, and major function is to multiply Visitor can quickly be inserted into lock before setting out, ribbon is bundled in, lock tongue multiplies as ribbon position-limit mechanism is fixed on when not used Visitor is convenient for the place taken.
Traditional lock tongue need to use snap fastener limit be fixed on safety belt, vehicle is in the process of moving through after safety belt It will appear the shaking of lock tongue and hit the phenomenon that automotive trim panel generates abnormal sound.
There is no limit for the displacement of the lock of lock tongue insertion at present, and latches with after lock tongue locking, and lock tongue still can be with stress It moves inside, sliding block is caused to will receive the impact of lock tongue.When the displacement of both the above situation reaches a certain level and number When excessive, due to release sliding block be plastic part, lock tongue is metalwork, will cause release sliding block damage and can not normal return, this When lock can not open, it will cause passenger that can not unlock safety belt.
Chinese patent website discloses " the anti-abnormal sound knot of safety belt lock tongue of Patent No. " CN 201320474379.0 " Structure " essentially discloses and ribbon is wrapped lock tongue when not in use in safety belt, the fitting part then matched by two come It is fixed, and prevent from directly contacting interior trim panel when shaking in safety belt lock tongue, reduce noise.But this structure During actual use be comparatively it is more troublesome, need to open fitting part when in use, when not in use again It is closed, and because safety belt is a very common part, its damage can be accelerated in regular folding fitting part, tieed up It repairs replacement to get up and very inconvenient, also hits trim panel without fundamentally solving the problems, such as the shaking of lock tongue.
Summary of the invention
The purpose of the utility model is to provide a kind of structure is simple, it can effectively prevent lock tongue and shake and hit trim panel and issue The safety belt lock tongue of noise.
Purpose of the utility model is realized as follows:
A kind of safety belt lock tongue, including lock tongue main body, the lock tongue include grip part and are arranged in the grip part side Sticking department, open up on the grip part there are two ribbon mouth arranged side by side, two ribbon mouths are divided into the first ribbon mouth With the second ribbon mouth;
Further, protrusion forms a convex edge in the second ribbon mouth.
Further, the convex edge takes shape in the outlet side of the second ribbon mouth lower end.
Further, the upper end of the grip part is an inclined surface, and the first ribbon mouth is provided on the inclined surface.
Further, the angle β between the inclined surface and grip part lower end surface is 140 ° -170 °,
Further, the angle β between the inclined surface and grip part lower end surface is 160 °.
Further, the surface of the convex edge is provided with friction pad made of rubber, forms on the friction pad several A salient point for being used to increase friction.
A kind of safety belt lock catch assembly, including a kind of safety belt lock tongue and safety belt described in any one of as described above Lock, the lock include lock shell, latch the insert port that one is offered on shell for lock tongue insertion, it is characterised in that: institute It states and is equipped with groove profile seat in lock shell, button, lock bolt and the sliding block being slidably arranged on groove profile seat are installed in groove profile seat, it is described A camber member is provided on sliding block, the head of camber member is equipped with lock pin, and lock pin is set to the top of the lock bolt and lock pin Both ends be erected at the two sides of the groove profile seat, be additionally provided with return spring between the camber member and the rear end of the lock bolt;
Limiting device is provided with below the lock bolt, the limiting device includes at least one molding boss downwards, For limiting the amount of movement of lock tongue insertion lock.
Further, the front end of the lock bolt is a tapered end bent downward, and one is offered in the middle part of lock bolt and supplies the bow The through-hole that shape part passes through, in the two sides of the through-hole, the rear end of lock bolt is assemblied in the groove profile seat boss forming, and is locked The rear end of door bolt also forms spring base, and one end of the return spring mounts elastically, and the other end and the camber member connect It connects.
Further, the lower end of the camber member is articulated with the sliding block, and the head of the upper end of camber member offers a ditch Slot is equipped with lock pin in the groove.
Further, the left and right sides of the groove profile seat is offered for the guide groove mobile for the lock pin;It is described The two sides of button be all provided with it is fluted, the setting of the both ends of the lock pin in the groove, by two sides when enabling push button The movement of groove bands pendulum lock pin.
Compared with the prior art, the utility model has prominent and beneficial technical effects that:
1. the utility model compared with traditional lock tongue, increases one and wears ribbon mouth, the friction between ribbon and lock tongue Power makes ribbon effectively be fixed on safety belt any position, effectively improves product comfort.
2. the utility model installs lock tongue by two ribbon mouths, for the structure installed with traditional snap fastener, from original The Multi-contact of the single-contact of the ribbon and lock tongue that come till now, increases the stability of lock tongue installation, to prevent row The shaking of lock tongue during vehicle and occur hit trim panel the phenomenon that and noise.
3. lock tongue with this configuration can cancel letter buckle position limiting structure required for traditional locks tongue, subtract in process of production Multiple working procedure is lacked, do not needed on ribbon and snap fastener is installed on lock tongue, has reduced production cost, make product in similar product In have more the market competitiveness.
4. being formed with an angle between the first ribbon mouth and the second ribbon mouth, user is enable to adjust latch bolt position when ratio Relatively light smooth movement.
5. form the convex edge to raise upward in the lower end of the second ribbon mouth, on convex edge with pacify on the contact surface of ribbon Equipped with friction pad made of rubber, after ribbon is straightened, the ledge structure on the second ribbon mouth resists ribbon upwards, makes ribbon at this A location bending, increasing friction force are fixed latch bolt position by ribbon and the mutual frictional force of lock tongue, were being actually used Cheng Zhong, the sticking department insertion of lock tongue lower end, when encountering in the biggish situation of the impulse ratios such as emergency brake, can also pass through convex edge in latching And the friction pad on convex edge inflexibly locking lock tongue position, the angle of only artificial rotating lock tongue, reduce ribbon with it is convex The angle on edge is just adjustable the position of lock tongue.
6. increasing the boss structure for limiting lock tongue amount of movement in the lock on lock assembly, and in sliding block corresponding positions It sets place and increases evacuation, the insertion displacement of lock tongue is limited.It can avoid passenger during lock tongue insertion wearing After safety belt, avoid that it is excessively multipair passenger's wearing number in addition can be reduced as the damage caused by lock of lock tongue accident stress Lock damages caused by inside, improves safety belt bulk life time.
7. lock tongue pushes sliding block inward movement, the camber member being connected with sliding block, bow can be pushed by the elastic force of rebound spring Under spring force the pushing lock bolt by lock pin of shape part, makes the decurved tapered end in lock bolt front end be caught in the hole on lock tongue It is interior, and lock tongue is lockked, at this time since the lower section of lock bolt is there are the boss for limit, lock tongue will be unable to continue to move, at this point, Also there are the spaces of movement for the inside of sliding block, so that sliding block always can be with there are one when lock tongue insertion lock being made to push sliding block Mobile space allows sliding block cannot be by bigger impact, and changing original latch in when lock tongue is inserted into is to need sliding block Resist lock tongue.
8., by manual inside promoting button, button band pendulum lock pin moves in guide groove in unlock, reached in lock pin Camber member connected to it can be guided to move during guide groove the top, understood because return spring resists the middle part of camber member Sliding block is moved forward, increases return spring to the loading angle of lock bolt, is opened to make to lift and pop up on tapered end lock tongue completion Lock.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the usage state diagram of the utility model.
Fig. 3 is the installation diagram of the utility model.
Fig. 4 is the cross-sectional view of the utility model.
Fig. 5 is bolt lock spiral-lock with status diagram.
Fig. 6 is lock assembled state internal structure perspective view.
Fig. 7 is lock assembled state internal structure top view.
Fig. 8 is the cross-sectional view of Fig. 7.
Fig. 9 is the explosive view of lock.
Figure 10 is lock internal structure explosive view.
Meaning represented by figure label:
1- lock tongue;The grip part 2-;3- sticking department;4- the first ribbon mouth;5- the second ribbon mouth;
The convex edge 6-;7- friction pad;8- ribbon;11- latches shell;12- insert port;13- groove profile seat;
14- button;15- lock bolt;16- sliding block;17- camber member;18- lock pin;19- return spring;
20- boss;21- tapered end;22- through-hole;23- spring base;24- groove;25- guide groove.
Specific embodiment
The utility model is further described combined with specific embodiments below:
A kind of safety belt lock tongue, including 1 main body of lock tongue, the lock tongue 1 include grip part 2 and are arranged in the grip part 2 The sticking department 3 of side opens up on the grip part 2 there are two ribbon mouth, and two ribbon mouths are divided into the first ribbon mouth 4 and the Two ribbon mouths 5.
The upper end of the grip part 2 is an inclined surface, and the angle between 2 lower end surface of the inclined surface and grip part is 160 °, the first ribbon mouth 4 is provided on the inclined surface.
The utility model increases a ribbon mouth compared with traditional lock tongue, and the frictional force between ribbon and lock tongue makes Ribbon is effectively fixed on safety belt any position, effectively improves product comfort.When wearing ribbon, ribbon is as schemed first from first Ribbon mouth 4 penetrates, then penetrates the second ribbon mouth 5, and after ribbon 8 is straightened, the convex edge 6 on the second ribbon mouth 5 resists ribbon upwards, leans on Ribbon 8 fixes 1 position of lock tongue with the mutual frictional force of lock tongue 1.
The utility model installs lock tongues by two ribbon mouths, for the structure installed with traditional snap fastener, from original Ribbon 8 and lock tongue 1 single-contact Multi-contact till now, the stability of lock tongue installation is increased, to prevent row The shaking of lock tongue 1 during vehicle and occur hit trim panel the phenomenon that and noise.
And the structure lock tongue 1 is used, letter buckle position limiting structure required for traditional locks tongue can be cancelled, in process of production Reduce multiple working procedure, do not need on ribbon and snap fastener is installed on lock tongue, reduces production cost, make product in similar production The market competitiveness is had more in product.
It is formed with an angle between first ribbon mouth 4 and the second ribbon mouth 5, enables user when adjusting 1 position of lock tongue Compare easily smooth movement.
Preferably, protrusion forms a convex edge 6 in the second ribbon mouth 5.
Preferably, the convex edge 6 takes shape in the outlet side of 5 lower end of the second ribbon mouth.
Preferably, the surface of the convex edge 6 is provided with friction pad 7 made of rubber, forms on the friction pad 7 several A salient point for being used to increase coefficient of friction.
The convex edge to raise upward 6 is formed in the lower end of the second ribbon mouth 5, on convex edge 6 and on the contact surface of ribbon Friction pad 7 made of rubber are installed, after ribbon is straightened, the convex edge 6 on the second ribbon mouth 5 resists ribbon 8 upwards, makes ribbon 8 In this location bending, increasing friction force fixes 1 position of lock tongue by ribbon 8 and the mutual frictional force of lock tongue 1, in reality In the use process of border, in the insertion lock of sticking department 3 of 1 lower end of lock tongue, when encountering in the biggish situation of the impulse ratios such as emergency brake, The position of the locking lock tongue 1 of the friction pad 7 on convex edge 6 and convex edge 6 inflexibly, the angle of only artificial rotating lock tongue 1 can be passed through Degree reduces the position that the angle between ribbon and convex edge 6 is just adjustable lock tongue 1.
A kind of safety belt lock catch, the lock include lock shell 11, latch and offer one on shell 11 for the insertion of lock tongue 1 Insert port 12, be equipped with groove profile seat 13 in the lock shell 11, button 14, lock bolt 15 and sliding be installed in groove profile seat 13 and set The sliding block 16 on groove profile seat 13 is set, a camber member 17 is provided on the sliding block 16, the head of camber member 17 is equipped with lock pin 18, lock pin 18 is set to the top of the lock bolt 15 and the both ends of lock pin 18 are erected at the two sides of the groove profile seat 13, described Return spring 19 is additionally provided between camber member 17 and the rear end of the lock bolt 15.
The lower section of the lock bolt 15 is provided with limiting device, and the limiting device includes at least one molding boss downwards 20, for limiting the amount of movement of the insertion lock of lock tongue 1.
The utility model increases 20 structure of boss for limiting 1 amount of movement of lock tongue on lock bolt 15, and in sliding block 16 Corresponding position increases evacuation, limits the insertion displacement of lock tongue 1.It can avoid multiplying during lock tongue 1 is inserted into Visitor after wear safety belt avoids that passenger's wearing time in addition can be reduced as the unexpected stress damage caused by lock of lock tongue 1 Damage caused by multipair lock inside was counted, safety belt bulk life time is improved.
Lock tongue 1 pushes 16 inward movement of sliding block, can push the arch being connected with sliding block 16 by the elastic force of return spring 19 Part 17, under spring force the pushing lock bolt 15 by lock pin 18 of camber member 17, makes the decurved lock in 15 front end of lock bolt First 21 are caught in the hole on lock tongue 1, and then lock lock tongue 1.At this time since there are the boss for limit for the lower section of lock bolt 15 20, lock tongue 1 will be unable to continue to move, at this point, also there are the spaces of movement for the inside of sliding block 16, to make the insertion lock of lock tongue 1 When pushing sliding block 16, there are transportable spaces always for sliding block 16, allow sliding block 16 not will receive bigger impact, change Having become original latch in when lock tongue is inserted into is the state for needing sliding block 16 to resist lock tongue 1.
Preferably, the front end of the lock bolt 15 is a tapered end 21 bent downward, and the middle part of lock bolt 15 offers one for institute The through-hole 22 that camber member 17 passes through is stated, the boss 20 takes shape in the two sides of the through-hole 22, and the rear end of lock bolt 15 is assemblied in institute It states in groove profile seat 13, and the rear end of lock bolt 15 also forms spring base 23, one end of the return spring 19 is mounted on spring base On 23, the other end is connect with the camber member 17.
Preferably, the lower end of the camber member 17 is articulated with the sliding block 16, and the head of the upper end of camber member 17 offers One groove 24 is equipped with lock pin 18 in the groove 24.
Preferably, the left and right sides of the groove profile seat 13 is offered for the guide groove 25 mobile for the lock pin 18. The shape of guide groove 25 is upward arc-shaped of guide direction, and when pressing lower button 14, button 14 is with pendulum lock pin 18 in guide groove It is moved in 25, camber member 17 connected to it can be guided to move during lock pin 18 reaches 25 the top of guide groove, because returning Position spring 19 resists the middle part of camber member 17 and sliding block 16 can be made to move forward, and increases return spring 19 to the stress of lock bolt 15 Angle, to make that the completion unlocking of lock tongue 1 is lifted and popped up on tapered end 21.
Preferably, the two sides of the button 14 are all provided with fluted, and the both ends setting of the lock pin 18 in the groove, makes The movement of the groove bands pendulum lock pin 18 of two sides can be passed through when push button 14.
Above-described embodiment is only the preferred embodiment of the utility model, not limits the protection model of the utility model according to this It encloses, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by the protection of the utility model Within the scope of.

Claims (10)

1. a kind of safety belt lock tongue, which is characterized in that the lock tongue (1) includes grip part (2) and is arranged in the grip part (2) The sticking department (3) of side opens up on the grip part (2) there are two ribbon mouth arranged side by side, and two ribbon mouths are divided into First ribbon mouth (4) and the second ribbon mouth (5), protrusion forms a convex edge (6) in the second ribbon mouth (5).
2. a kind of safety belt lock tongue according to claim 1, it is characterised in that: the convex edge (6) takes shape in described second The outlet side of ribbon mouth (5) lower end.
3. a kind of safety belt lock tongue according to claim 1, it is characterised in that: incline for one the upper end of the grip part (2) Inclined-plane, the first ribbon mouth (4) are provided on the inclined surface.
4. a kind of safety belt lock tongue according to claim 3, it is characterised in that: the inclined surface and grip part (2) lower end Angle β between face is 140-170 °.
5. a kind of safety belt lock tongue according to claim 4, it is characterised in that: the inclined surface and grip part (2) lower end Angle β between face is 160 °.
6. a kind of safety belt lock tongue according to claim 1-5, it is characterised in that: the surface of the convex edge is arranged Have friction pad made of rubber (7), several are formed on the friction pad (7) for increasing the salient point of coefficient of friction.
7. a kind of safety belt lock catch assembly, it is characterised in that: including safety belt lock tongue such as of any of claims 1-6 And safety belt lock catch, the lock include lock shell (11), and one is offered on lock shell (11) for lock tongue (1) insertion Insert port (12), the lock shell (11) is interior to be equipped with groove profile seat (13), is equipped with button (14), lock bolt in groove profile seat (13) (15) and the sliding block (16) that is slidably arranged on groove profile seat (13) camber member (17), arch, are provided on the sliding block (16) The head of part (17) is equipped with lock pin (18), and lock pin (18) is set to the both ends of the top of the lock bolt (15) and lock pin (18) The two sides of the groove profile seat (13) are erected at, are additionally provided with return bullet between the camber member (17) and the rear end of the lock bolt (15) Spring (19);
Limiting device is provided with below the lock bolt (15), the limiting device includes at least one molding boss downwards (20), for limiting the amount of movement of lock tongue (1) insertion lock.
8. a kind of safety belt lock catch assembly according to claim 7, it is characterised in that: the front end of the lock bolt (15) is one The tapered end (21) bent downward offers a through-hole (22) passed through for the camber member (17) in the middle part of lock bolt (15), described Boss (20) takes shape in the two sides of the through-hole (22), and the rear end of lock bolt (15) is assemblied in the groove profile seat (13), and lock bolt (15) rear end also forms spring base (23), and one end of the return spring (19) is mounted on spring base (23), the other end It is connect with the camber member (17).
9. a kind of safety belt lock catch assembly according to claim 8, it is characterised in that: cut with scissors the lower end of the camber member (17) It is connected to the sliding block (16), the head of the upper end of camber member (17) offers a groove (24), is equipped in the groove (24) Lock pin (18).
10. a kind of safety belt lock catch assembly according to claim 9, it is characterised in that: the left and right of the groove profile seat (13) Two sides are offered for the guide groove (25) mobile for the lock pin (18);The two sides of the button (14) be all provided with it is fluted, Groove bands pendulum lock pin when enabling push button (14) in the groove by two sides is arranged in the both ends of the lock pin (18) (18) movement.
CN201821027172.8U 2018-06-30 2018-06-30 A kind of safety belt lock tongue and safety belt lock catch assembly Active CN208813155U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821027172.8U CN208813155U (en) 2018-06-30 2018-06-30 A kind of safety belt lock tongue and safety belt lock catch assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821027172.8U CN208813155U (en) 2018-06-30 2018-06-30 A kind of safety belt lock tongue and safety belt lock catch assembly

Publications (1)

Publication Number Publication Date
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110409936A (en) * 2019-06-28 2019-11-05 上海三一重机股份有限公司 A kind of locking devicen, door gear and excavator
CN112221163A (en) * 2020-09-22 2021-01-15 浙江榜榜实业有限公司 Tourist locking protection device for unpowered amusement facility
CN112841819A (en) * 2021-01-09 2021-05-28 台州市英创智能科技有限公司 Safety belt lock catch assembling device
CN113928262A (en) * 2021-10-08 2022-01-14 广汽本田汽车有限公司 Safety belt lock catch and automobile
CN114869025A (en) * 2022-04-27 2022-08-09 浙江松原汽车安全系统股份有限公司 Automobile safety belt lock tongue

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110409936A (en) * 2019-06-28 2019-11-05 上海三一重机股份有限公司 A kind of locking devicen, door gear and excavator
CN112221163A (en) * 2020-09-22 2021-01-15 浙江榜榜实业有限公司 Tourist locking protection device for unpowered amusement facility
CN112841819A (en) * 2021-01-09 2021-05-28 台州市英创智能科技有限公司 Safety belt lock catch assembling device
CN113928262A (en) * 2021-10-08 2022-01-14 广汽本田汽车有限公司 Safety belt lock catch and automobile
CN114869025A (en) * 2022-04-27 2022-08-09 浙江松原汽车安全系统股份有限公司 Automobile safety belt lock tongue
CN114869025B (en) * 2022-04-27 2023-05-05 浙江松原汽车安全系统股份有限公司 Automobile safety belt lock tongue

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Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: The utility model relates to a safety belt latch and a safety belt buckle assembly

Effective date of registration: 20201125

Granted publication date: 20190503

Pledgee: Agricultural Bank of China Limited by Share Ltd. Taizhou Jiaojiang branch

Pledgor: ZHEJIANG DINGLI TIANYI AUTO PARTS STOCK Co.,Ltd.

Registration number: Y2020330001009

PE01 Entry into force of the registration of the contract for pledge of patent right