CN207747790U - Locking mechanism of folding seat - Google Patents

Abstract

The utility model discloses a locking mechanism of folding seat chair, include: the base is fixedly arranged on the vehicle bottom plate; the overturning bracket is connected with the base through a first rotating shaft, is fixedly connected with a seat framework of the folding seat and overturns along with the folding seat; the limiting piece is installed on the overturning bracket; one end of the locking piece is connected with the base through a second rotating shaft, and the other end of the locking piece comprises a locking part and a limiting part; before the folding seat is turned over, the limiting part abuts against the limiting part, and the locking part is prevented from being clamped into the limiting part; when the folding seat is turned forwards, the locking part is clamped in the limiting part, and the turning support is locked. The utility model discloses compare in the bolt, can lock the folding seat after the upset more steadily, prevent to go the mistake upset of jolting the in-process, the security performance is higher.

Description

A kind of lockable mechanism of rumble seat

Technical field

The utility model is related to automobile technical field more particularly to a kind of lockable mechanisms of rumble seat.

Background technology

Currently in order to increasing the trunk space of passenger car, back seat is usually set as rumble seat.And rumble seat After fold encounter jolt, emergency brake, shake when, it is easy to again return to and topple over, and damage in luggage case article by pressure either accidentally Hinder rear personnel, there are security risks.

It is existing to be overturn to solve the problems, such as that rumble seat misses, generally use latch structure.Bolt is used after foldable seat Tying down prevents from accidentally overturning, and passenger usually forgets or bolt is easy to fall off when road test is jolted.Rumble seat mistake cannot be solved very well The problem of overturning.

Therefore, it is necessary to design a kind of seat that can stablize after locking folding, the lock of the rumble seat accidentally overturn is prevented Locking mechanism.

Utility model content

The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of seat that can stablize after locking folding Chair prevents the lockable mechanism of the rumble seat accidentally overturn.

The technical solution of the utility model provides a kind of lockable mechanism of rumble seat, including：

Pedestal, the pedestal are fixedly mounted on car bottom plate；

Turnover bracket, the turnover bracket are connect by first rotating shaft with the pedestal, the turnover bracket and the folding The chair framework of folded seat is fixedly connected, and is overturn with the rumble seat；

Locating part, the locating part are mounted on the turnover bracket；

Lock piece, one end of the lock piece are connect with the pedestal by the second shaft, the other end include lock part and Limiting section；

Before the rumble seat overturning, the locating part is resisted against on the limiting section, and the lock part is prevented to be caught in institute It states in locating part；

After the rumble seat is overturn forward, the lock part is caught in the locating part, and the turnover bracket is locked Only.

Further, the pedestal includes first base and second base, and the first base is vertically prolonged upwards It stretches, the first rotating shaft is mounted on the top of the first base, and the second base extends back in the horizontal direction, and described the Two shafts are mounted on the rear end of the second base.

Further, the turnover bracket further includes the first mounting portion and the second mounting portion, and first mounting portion opens up There is semicircular groove for being connect with the pipe of the chair framework, second mounting portion is for installing the locating part；

When the rumble seat is overturn forward, the turnover bracket is also overturn forward, along turnover bracket described in reverses direction Include second mounting portion and first mounting portion successively.

Further, it is equipped with inclined surface on front side of the top of the first base, when the rumble seat is overturn forward in place Afterwards, the inclined surface is contacted with the pipe overturns forward for limiting the turnover bracket continuation.

Further, the lock part is hook, and the lock part includes locking surface；

After the rumble seat is overturn forward, the locking surface is caught in the locating part.

Further, the pedestal further includes stop block, and the lock part further includes stop surface, when the rumble seat to After preceding overturning, the stop surface is contacted with the stop block, stops that the lock part is overturn forward, described in the lock part blocking Turnover bracket is turned over.

Further, the cross section of the locating part is U-shaped, and the locating part includes two pieces of risers and one piece of connecting plate, Two pieces of risers are directly connected to the turnover bracket.

Further, the cross section of the stop block is also U-shaped.

Further, flexible knob is installed on the lock part.

Further, reduction torsion spring is installed in second shaft.

After adopting the above technical scheme, having the advantages that：

In the utility model, before rumble seat overturning, seat is in use state, and locating part is resisted against on limiting section, prevents Only lock part is caught in the locating part.Lock part does not play the role of locking at this time, and rumble seat may be implemented to overturn.

When needing to overturn rumble seat, after rumble seat is overturn forward, turnover bracket is overturn forward together therewith, when turning over After going to position, lock part is caught in locating part, and by turnover bracket locking, turnover bracket and rumble seat cannot be missed and be overturn backward.

Description of the drawings

Referring to attached drawing, the disclosure of the utility model will be easier to understand.It should be understood that：These attached drawings are used only for The purpose of explanation, and be not intended to and the scope of protection of the utility model is construed as limiting.In figure：

Fig. 1 is the side view of the lockable mechanism of the rumble seat before being overturn in one embodiment of the utility model；

Fig. 2 is the stereogram of the lockable mechanism of the rumble seat before being overturn in one embodiment of the utility model；

Fig. 3 is the explosive view of Fig. 2；

Fig. 4 is the side view of the lockable mechanism of the rumble seat after being overturn in one embodiment of the utility model；

Fig. 5 is the stereogram of the lockable mechanism of the rumble seat after being overturn in one embodiment of the utility model.

The reference numeral table of comparisons：

1- pedestal 2- turnover bracket 3- locating parts

4- lock piece 5- flexibilities knob A- chair frameworks

11- first base 12- second base 13- stop blocks

21- first rotating shafts 23- the first mounting portion the second mounting portions of 24-

41- the second shaft 42- lock part 43- limiting sections

The inclined surface 44- reduction torsion spring 111-

421- locking surface 422- stop surfaces

Specific implementation mode

Further illustrate specific embodiment of the present utility model below in conjunction with the accompanying drawings.

It is readily appreciated that, technical solution according to the present utility model, in the case where not changing the utility model in essence spirit, this field The various structures mode that can be replaced mutually of those skilled in the art and realization method.Therefore, detailed description below and Attached drawing is only the exemplary illustration to the technical solution of the utility model, and is not to be construed as the whole of the utility model or is considered as Utility model technical solution is defined or limited.

Up, down, left, right, before and after, front, the back side, top, the bottom etc. mentioned or may mentioned in the present specification Orientation term is defined relative to construction shown in each attached drawing, they are opposite concepts, and it is therefore possible to can root Correspondingly changed according to its residing different location, different use states.So also should not be by these or others side Position term is construed to restricted term.

Front, rear, top, and bottom direction in the utility model is on the basis of the orientation of vehicle.

In the present embodiment, as shown in Figure 1, the lockable mechanism of rumble seat, including：

Pedestal 1, pedestal 1 are fixedly mounted in car bottom plate (not shown)；

Turnover bracket 2, turnover bracket 2 are connect by first rotating shaft 21 with pedestal 1, the seat of turnover bracket 2 and rumble seat Chair skeleton A is fixedly connected, and is overturn with rumble seat；

Locating part 3, locating part 3 are mounted on turnover bracket 2；

One end of lock piece 4, lock piece 4 is connect with pedestal 1 by the second shaft 41, and the other end includes lock part 42 and limit Position portion 43；

Before rumble seat overturning, locating part 3 is resisted against on limiting section 43, and lock part 42 is prevented to be caught in locating part 3；

After rumble seat is overturn forward, lock part 42 is caught in locating part 3, by turnover bracket locking.

Wherein, the lockable mechanism of the rumble seat in the present embodiment is mounted near the front support leg of rumble seat.It folds When, rumble seat is overturn forward, and rear leg is liftoff, only front support leg is leaned on to support rumble seat.Locking structure is used for locking front support leg The chair framework A at place prevents chair framework A from occurring accidentally to overturn.

As shown in Figure 1, dotted line indicates chair framework A, the first half of lockable mechanism connecting chair skeleton A in Fig. 1.Specifically For the leading portion of the seat board of rumble seat.At this point, rumble seat is in use state, seat board is in close to the position of horizontal direction. When the state, lockable mechanism does not play the role of locking.

As shown in figure 4, rumble seat is overturn forward, seat board is in substantially vertical position.At this point, rolling in order to prevent Folded seat is turned over, and lockable mechanism plays the role of locking, and chair framework A is lockked.

In the present embodiment, before rumble seat overturning, seat is in use state, and locating part 3 is resisted against on limiting section 43, prevents Only lock part 42 is caught in the locating part 3.Lock part 42 does not play the role of locking at this time, and rumble seat may be implemented to turn over Turn.

When needing to overturn rumble seat, after rumble seat is overturn forward, turnover bracket 2 is overturn forward together therewith, when After overturning in place, lock part 42 is caught in locating part 3, and by 2 locking of turnover bracket, turnover bracket 2 and rumble seat cannot be backward Accidentally overturn.

Further, as shown in Figs. 1-3, pedestal 1 includes first base 11 and second base 12, and first base 11 is along vertical Direction upwardly extends, and first rotating shaft 21 is mounted on the top of first base 11, and second base 12 extends back in the horizontal direction, the Two shafts 41 are mounted on the rear end of second base 12.

Wherein, the bottom of first base 11 is with car bottom plate for being directly fixedly connected, and the top of first base 11 passes through the One shaft 21 is connect with turnover bracket 2.The bottom of first base 11 is also fixedly connected with second base 12, the rear end of second base 12 It is connect with lock piece 4 by the second shaft 41.

Turnover bracket 2, can be with seat support A together front and back overturning due to being fixedly connected with seat support A.

Lock piece 4 is by artificially controlling the rotation to realize around the second shaft 41.

Further, as shown in Figure 1, inclined surface 111 is equipped on front side of the top of first base 11, when rumble seat turns over forward After going to position, inclined surface 111 is contacted with pipe to be overturn forward for limiting the continuation of turnover bracket 2.

It is located at due to inclined surface 111 on front side of the top of first base 11.As shown in figure 4, when rumble seat is overturn forward, The pipe of seat support A is just contacted with inclined surface 111.Inclined surface 111 is overturn forward for limiting the continuation of turnover bracket 2.

Preferably, inclined surface 111 may be replaced by arc surface, the surface of arc surface and pipe can better contact with.

Further, as shown in Figs. 1-3, turnover bracket 2 further includes the first mounting portion 23 and the second mounting portion 24, the first peace Dress portion 23 offers semicircular groove for being connect with the pipe of chair framework A, and the second mounting portion 24 is for installing locating part 3；

When rumble seat is overturn forward, turnover bracket 2 is also overturn forward, and along reverses direction, (black arrow is signified in such as Fig. 1 Counter clockwise direction) turnover bracket successively include the second mounting portion 24 and the first mounting portion 23.

Wherein, for being connect with the pipe of chair framework A, the second mounting portion 24 is then used to install limit the first mounting portion 23 Part 3.

Second mounting portion 24 is located at the rear side of the reverses direction forward of the first mounting portion 23.From the point of view of Fig. 1 and Fig. 4, first Mounting portion 23 is located at the counter clockwise direction of the second mounting portion 24.

Further, as shown in Figs. 1-3, the cross section of locating part 3 is U-shaped, and locating part 3 includes two pieces of risers and one piece of company Fishplate bar, two pieces of risers are directly connected to turnover bracket 2.Connecting plate is directly acted on for lock piece 4.

There are two working positions for locating part 3：

First, as shown in Figure 1, when rumble seat normal use, locating part 3 is contacted with the limiting section 43 of lock piece 4, The lock part 42 of lock piece 4 is detached with turnover bracket 2, lock part 42 is prevented to be caught in locating part 3, realizes locking.

Second, as shown in figure 4, after rumble seat is overturn forward, lock part 42 is just caught in locating part 3, is realized Locking prevents chair framework A from turning over.

Optionally, locating part 3 can also be other structures, another as long as can play prevents locking in a working position A working position realizes locking, belongs to the scope of protection of the utility model.

Further, as shown in Figure 1 and Figure 4, lock part 42 is hook, and lock part 42 includes locking surface 421；Work as foldable base After chair is overturn forward, locking surface 421 is caught in locating part 3.

At this point, as shown in figure 4, locking surface 421 and the connecting plate of locating part 3 are in direct contact at this time.Locking surface 421 is located at lock The upper surface of stop 42.

Further, as in Figure 3-5, pedestal 1 further includes stop block 13, and lock part 42 further includes stop surface 422, works as folding After folded seat is overturn forward, stop surface 422 is contacted with stop block 13, and blocking lock part 42 is overturn forward, and the blocking of lock part 42 is turned over Turn holder 2 to turn over.

Wherein, stop surface 422 is located at the lower surface of lock part 42.When turnover bracket 2 is overturn forward, locating part 3 also to Preceding overturning, locating part 3 are no longer contacted with the limiting section of lock piece 2 43, and lock piece 2 is rotated towards turnover bracket 2 at this time.Work as overturning After the overturning in place of holder 2, lock part 42 is just caught in locating part 3.At this point, stop surface 422 is also contacted with stop block 13.Backstop Block 13 limits the position of lock piece 4, and lock piece 4 also limits the position of locating part 3, ultimately limits rumble seat simultaneously Position.

Preferably, the cross section of stop block 13 is also U-shaped.

Optionally, the cross section of stop block 13 can also be rectangle or other shapes.As long as can play and stop surface 422 cooperations, stop the effect of lock part 42, belong to the scope of protection of the utility model.

Further, as shown in Figs. 1-3, flexible knob 5 is installed on lock part 42.Flexibility knob 5 is for facilitating user Lock piece 4 is pulled back, realizes unlock.

Further, as Figure 2-3, reduction torsion spring 44 is installed in the second shaft 41.Reduction torsion spring 44 is to second turn Axis 41 has certain pretightning force.Lock piece 4 is set to have the tendency that close towards turnover bracket 2.It can ensure the rollover states in Fig. 4 When, lock piece 4 can be maintained at the position of locking.When pulling flexible knob 5, lock piece 4 is set to rotate backward, after realizing unlock. Flexible knob 5 is unclamped, lock piece 4 turns again under the action of resetting spring 44 close to the position of turnover bracket 2.Such as：Figure The limiting section 43 of lock piece 4 is contacted with locating part 3 in 1, and the lock part 42 of lock piece 4 is caught in locating part 3 in Fig. 4.

The course of work of lockable mechanism in the present embodiment is specific as follows：

When needing to overturn rumble seat forward, chair framework A is overturn forward, drives turnover bracket 2 together forward at this time Overturning.Locating part 3 is also overturn forward, the starting stage that locating part 3 is overturn forward, be detached from and the contact of limiting section 43, gradually with Stop surface 422 contacts, but stop surface 422 does not play the role of stopping that locating part 3 continues overturning.Locating part 3 slips over backstop Continue to overturn in face 422.State until being turned to Fig. 4, at this time lock part 42 be just caught in locating part 3.

During turnover bracket 2 is overturn, since locating part 3 is no longer contacted with limiting section 43, lock piece 4 can court It is rotated to turnover bracket 2, until lock part 42 snaps onto in locating part 3.

When rumble seat needs from folded state to be returned to normal operating condition, rumble seat of turning over is needed.At this point, Flexible knob 5 is pulled, lock piece 4 is rotated backward, lock part 42 is deviate from from locating part 3.Rumble seat is turned over to Fig. 1 State.At this point, unclamping flexible knob 5, lock piece 4 is returned to the position that limiting section 43 is contacted with locating part 3.

The utility model is compared to bolt, and rumble seat that can be after more steadily locking overturning prevents traveling from jolting Mistake overturning in the process, security performance higher.

Above-described is only the principles of the present invention and preferred embodiment.It should be pointed out that for the general of this field For logical technical staff, on the basis of the utility model principle, several other modifications can also be made, this practicality is also should be regarded as Novel protection domain.

Claims (10)

1. a kind of lockable mechanism of rumble seat, which is characterized in that including：

Pedestal, the pedestal are fixedly mounted on car bottom plate；

Turnover bracket, the turnover bracket are connect by first rotating shaft with the pedestal, the turnover bracket and the foldable base The chair framework of chair is fixedly connected, and is overturn with the rumble seat；

Locating part, the locating part are mounted on the turnover bracket；

Lock piece, one end of the lock piece are connect with the pedestal by the second shaft, and the other end includes lock part and limit Portion；

Before the rumble seat overturning, the locating part is resisted against on the limiting section, and the lock part is prevented to be caught in the limit In the part of position；

After the rumble seat is overturn forward, the lock part is caught in the locating part, by the turnover bracket locking.

2. the lockable mechanism of rumble seat according to claim 1, which is characterized in that the pedestal include first base and Second base, the first base vertically upwardly extend, and the first rotating shaft is mounted on the top of the first base, The second base extends back in the horizontal direction, and second shaft is mounted on the rear end of the second base.

3. the lockable mechanism of rumble seat according to claim 2, which is characterized in that the turnover bracket further includes first Mounting portion and the second mounting portion, first mounting portion offer semicircular groove for connecting with the pipe of the chair framework It connects, second mounting portion is for installing the locating part；

When the rumble seat is overturn forward, the turnover bracket is also overturn forward, successively along turnover bracket described in reverses direction Including second mounting portion and first mounting portion.

4. the lockable mechanism of rumble seat according to claim 3, which is characterized in that on front side of the top of the first base Equipped with inclined surface, after the rumble seat is overturn in place forward, the inclined surface contacts described for limiting with the pipe Turnover bracket continuation is overturn forward.

5. the lockable mechanism of rumble seat according to claim 1, which is characterized in that the lock part is hook, described Lock part includes locking surface；

After the rumble seat is overturn forward, the locking surface is caught in the locating part.

6. the lockable mechanism of rumble seat according to claim 5, which is characterized in that the pedestal further includes stop block, The lock part further includes stop surface, and after the rumble seat is overturn forward, the stop surface is contacted with the stop block, resistance It keeps off the lock part to overturn forward, the lock part stops that the turnover bracket is turned over.

7. according to the lockable mechanism of claim 1-6 any one of them rumble seats, which is characterized in that the cross of the locating part Section is U-shaped, and the locating part includes two pieces of risers and one piece of connecting plate, and two pieces of risers directly connect with the turnover bracket It connects.

8. the lockable mechanism of rumble seat according to claim 6, which is characterized in that the cross section of the stop block is also It is U-shaped.

9. according to the lockable mechanism of claim 1-6 any one of them rumble seats, which is characterized in that pacify on the lock part It shakes hands equipped with flexibility.

10. according to the lockable mechanism of claim 1-6 any one of them rumble seats, which is characterized in that second shaft On reduction torsion spring is installed.