CN202764734U

CN202764734U - Ground lock for automobile seat

Info

Publication number: CN202764734U
Application number: CN 201220426506
Authority: CN
Inventors: 黄道祝
Original assignee: Zhejiang Jujin Automobile & Motor-Cycle Accessores Co Ltd
Current assignee: Zhejiang Jujin Automobile & Motor-Cycle Accessores Co Ltd
Priority date: 2012-08-25
Filing date: 2012-08-25
Publication date: 2013-03-06
Anticipated expiration: 2022-08-25

Abstract

The utility model provides a ground lock for an automobile seat, and belongs to the technical field of automobile seats. By means of the ground lock for the automobile seat, the technical problems that the mounting positions of an existing ground lock of the automobile seat are very limited and the like are solved. The ground lock for the automobile seat comprises a shell body, a lock hook block and a pull wire. The lock hook block is hinged inside the shell body through a hinged shaft. A hook part which can extend out of the shell body is arranged at one end of the lock hook block. The hook part and the shell body can form a sealed locking hole. The other end of the lock hook block is connected with the pull wire. The other end of the pull wire penetrates out of the shell body and is an operating end. A transmission structure which can drive the lock hook block to rotate along the hinged shaft through the pull wire so that a gap is formed between the hook part and the shell body is arranged between the lock hook block and the pull wire. The ground lock of the automobile seat has the advantage that the operating end of the pull wire is arranged at a handy position so that operation is easy.

Description

The ground lock that a kind of automotive seat are used

Technical field

The utility model belongs to the seat technical field, relates to a kind of automotive seat, particularly the ground lock used of a kind of automotive seat.

Background technology

Automobile greatly facilitates people's trip as the common tool of go off daily, when routine use, often need to load certain article, because inner space of vehicle is certain, for can be better and reasonably utilize the inner space of automobile, can load when needed more article, often adopt at present the method that seat is erected, the particularly back seat of three-box type automobile.

The place that automotive seat are taken as the passenger, need firmly to be fixed on the safety that guarantees the passenger on the body platform, generally speaking, one end of the automotive seat that can erect is hinged on the body platform, the other end fixes on the body platform by the ground locking, lock release back seat in ground can rotate with hinge-point and erect, and automotive seat are fixed on the floor during ground lock locking.

The ground lock is as the mechanism that seat can be locked on the body platform, its Joint strenght and operability directly have influence on fastness and the safety of automotive seat, Chinese patent literature discloses a kind of seat floor lock device for automobile [CN102390291A] at present, comprise clamp, retaining pawl and unlatching arm member, clamp is hinged on the clamp axle, on the hinged love retaining pawl of the retaining pawl axle, the clamp axle, the riveting of retaining pawl axle is on housing parts, retaining pawl be connected the coaxial hinged linkage of arm member and connect, be provided with the retaining pawl torsion spring between retaining pawl free end and the housing parts, the riveting of retaining pawl torsion spring is on the solid spring axle on the housing parts, retaining pawl torsion spring two ends snap over respectively on retaining pawl and the housing parts, on the clamp axle of clamp the clamp torsion spring is installed, clamp torsion spring two ends snap over respectively clamp and open the extended crotch in driven pawl axle place on the arm member, the corresponding catch gear that forms of retaining pawl and clamp.This patent drives retaining pawl and the rotation of driven pawl by rotating the unlatching arm member, realize unblanking or locking, whole transmission process thigh is pounded and needed could be so that retaining pawl axle return by a plurality of springs, complex structure, by opening arm switch so that the installation site of floor latch is very limited, and very inconvenient when the switch floor latch.

Summary of the invention

The purpose of this utility model is to have the problems referred to above for existing technology, has proposed the ground lock that a kind of automotive seat are used, and local lockset has can firmly be fixed on automotive seat automotive floor panel and the simple characteristics of unlocking operation.

The purpose of this utility model can realize by following technical proposal: the ground lock that a kind of automotive seat are used, comprise housing, lock hook piece and backguy, described lock hook piece is hinged in the described housing by a jointed shaft, one end of described lock hook piece has the hook part that can stretch out described housing, described hook part can form an airtight lock hole with described housing, the other end of described lock hook piece and described backguy link, it is the operating side that the other end of described backguy passes described housing, is provided with between described lock hook piece and the backguy to drive the lock hook piece makes formation gap between described hook part and the described housing along the jointed shaft rotation drive mechanism by backguy.

Housing is hinged on automotive seat one end, is fixed with the vehicle body lock hook on the body platform, and the vehicle body lock hook can be engaged in the lock hole that the hook part of lock hook piece and housing form, and the other end of automotive seat is hinged on the body platform; When seat normally arranged, the ground lock was in lockup state, and this moment, the vehicle body lock hook was engaged in the lock hole, and seat just is fixed on the body platform like this; When needs erect seat, the operating side of pulling backguy makes the lock hook piece turn an angle along jointed shaft by drive mechanism, so that the lock hole that hook portion and housing form is opened, like this automotive seat are rotated along hinge-point, the vehicle body lock hook hole that just can go out of lock, the ground lock is in released state, like this automotive seat just the energy standing get up, by the switch that the pulling backguy is locked with controlling, the position of handled easily end arranges and is simple to operate.

In the ground lock that the automotive seat of the above are used, described drive mechanism comprises latch release shaft, separate lock dog and conciliate locking plate, described latch release shaft is circumferentially rotated and is axially fixed in the housing, one end of described solution lock dog is set on the latch release shaft, the other end of described solution lock dog can be meshed with above-mentioned lock hook piece, one end of described solution locking plate circumferentially is fixed on the latch release shaft and is close to and separates on the lock dog, the lug boss that has projection on the described solution lock dog, described solution locking plate middle part offers connecting bore, described lug boss passes described connecting bore, the length of described connecting bore and the external diameter of described lug boss are roughly the same, described latch release shaft can drive the latch release shaft rotation and the solution lock dog is linked to each other with the Transmission that the lock hook piece is separated by above-mentioned backguy with one, also is provided with between the other end of described solution locking plate and the lock hook piece when separating and can drives the drive configuration that the lock hook piece rotates when lock dog and lock hook piece are separated.The solution lock dog passes connecting bore by lug boss and moves with separating the locking plate synchronous rotating, and when seat normally arranged, the ground lock was in lockup state, be meshed with the lock hook piece by separating lock dog, the position that guarantees the lock hook piece is motionless, keeps the sealing of lock hole, guarantees that automotive seat can firmly be fixed on the body platform; When needs erect seat, by the pulling backguy so that Transmission drives latch release shaft rotates, separate like this lock dog also along with rotation, so that separate lock dog and the disengaging of lock hook piece, separate simultaneously locking plate also along with latch release shaft is rotated, by drive configuration turning effort is sent on the lock hook piece like this lock hook piece rotating opening lock hole undetermined, ground lock is in released state, so just can make the vehicle body lock hook hole that goes out of lock.

In the ground lock that the automotive seat of the above are used, described drive configuration comprises the salient that protrudes with respect to the lock hook block body, lock hook sheet and spring, described lock hook sheet is close on the described lock hook piece, described lock hook sheet one end is set on the above-mentioned jointed shaft, described spring one end acts on the other end of lock hook sheet, the described spring other end acts on the above-mentioned solution locking plate, described lock hook sheet middle part offers mounting hole, described salient passes described mounting hole, described mounting hole is strip, the described mounting hole that is strip offers direction and spring be arranged in parallel, and the length of described mounting hole is greater than the external diameter of described salient.Be meshed with the lock hook piece owing to separating lock dog, when rotating, need to separate first lock dog and move out ability rotation lock hook piece, therefore the mounting hole setting is strip, so that the motion delay of lock hook piece is in separating lock dog; When the ground lock is in lockup state, when lock hole is in closed state, spring is in tight state, this moment, salient was positioned at the mounting hole of strip near an end of separating locking plate, separating lock dog is meshed with the lock hook piece, after the pulling backguy, latch release shaft is rotated to drive and is separated the locking plate rotation, spring drives the lock hook sheet and rotates towards separating the locking plate direction, after the lock hook sheet turns an angle salient and mounting hole away from an end of separating locking plate against, the lock hook sheet drives the rotation of lock hook piece like this, so that lock hole is opened, lock is in released state in this wise; When automotive seat are put down, this moment, lock hole was in open mode, when the generation of vehicle body lock hook and lock hook piece is pushed, so that the lock hook piece rotates, rotate when salient and the mounting hole that is positioned at strip drive the lock hook sheet during near an end of separating locking plate, the lock hook sheet drives the release sheet by spring and rotates, thereby so that separate lock dog and again mesh with the lock hook piece, lock hole is in closed state and the vehicle body lock hook is in the lock hole like this, locks from released state in this wise to forward lockup state to.

In the ground lock that the automotive seat of the above are used, described Transmission is the backguy connecting strap, and described backguy connecting strap one end circumferentially is fixed on the above-mentioned latch release shaft, and the described backguy connecting strap other end is connected mutually with the pull wire head of above-mentioned backguy.

In the ground lock that the automotive seat of the above are used, offer the fixed orifice that runs through housing on the described housing, also be fixed with locating dowel pin on the described housing, described locating dowel pin two ends all pass described housing.Housing is hinged on the automotive seat by locating dowel pin is hinged.

In the ground lock that the automotive seat of the above are used, described housing comprises outer panel and interior plate, described outer panel and interior plate mutually against and be fixed together, above-mentioned fixed orifice runs through described outer panel and interior plate, above-mentioned locating dowel pin two ends pass respectively outer panel and interior plate.

Compared with prior art, the ground lock used of these automotive seat has the following advantages:

1, drives simultaneously the rotation of lock hook piece by the pulling backguy so that latch release shaft is rotated, the operating side of backguy can be arranged on position smoothly, so that simple to operate.

2, be meshed with the lock hook piece by separating lock dog, guarantee that the position of lock hook piece is motionless, keep the sealing of lock hole, guarantee that automotive seat can firmly be fixed on the body platform.

3, by mounting hole is arranged on strip, so that the lag in turn of lock hook piece guarantees the running of lock hook piece smoothness when release, so that release is laborsaving in the rotation of separating lock dog.

Description of drawings

Fig. 1 locks the structural representation that is in lockup state of the present utility modelly.

Fig. 2 locks the structural representation that is in released state of the present utility modelly.

Fig. 3 is the inner structure schematic diagram of locking when being in lockup state of the present utility modelly.

Fig. 4 is the inner structure schematic diagram of locking when being in released state of the present utility modelly.

Fig. 5 is the schematic side view of locking inner structure of the present utility modelly.

Among the figure, 111, housing; 121, outer panel; 131, interior plate; 132, fixed orifice; 141, locating dowel pin; 211, lock hook piece; 212, hook part; 212a, lock hole; 213, salient; 221, backguy; 231, jointed shaft; 311, latch release shaft; 321, separate lock dog; 322, lug boss; 331, separate locking plate; 341, backguy connecting strap; 411, lock hook sheet; 412, mounting hole; 421, spring.

The specific embodiment

Below be specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.

Extremely shown in Figure 5 such as Fig. 1, the ground lock that a kind of automotive seat are used, comprise housing 111, housing 111 is hinged on automotive seat one end, the other end of automotive seat is hinged on the body platform, be fixed with the vehicle body lock hook on the body platform, as shown in Figure 1, offer the fixed orifice 132 that runs through housing 111 on the housing 111, also be fixed with locating dowel pin 141 on the housing 111, locating dowel pin 141 two ends all pass housing 111, and housing 111 is hingedly fixed on the automotive seat by locating dowel pin 141, and housing 111 comprises outer panel 121 and interior plate 131, outer panel 121 and interior plate 131 mutually against and be fixed together, and form cavity between outer panel 121 and the interior plate 131, fixed orifice 132 runs through outer panel 121 and interior plate 131, and locating dowel pin 141 two ends pass respectively outer panel 121 and interior plate 131.The ground lock that these automotive seat are used also comprises lock hook piece 211 and backguy 221, lock hook piece 211 is hinged in the housing 111 by a jointed shaft 231, jointed shaft 231 two ends all pass outer panel 121 and interior plate 131 and fixing with outer panel 121 and interior plate 131, one end of lock hook piece 211 has the hook part 212 that can stretch out housing 111, as shown in Figure 2, hook part 212 can form an airtight lock hole 212a with housing 111, the vehicle body lock hook can be engaged in the lock hole 212a that the hook part 212 of lock hook piece 211 and housing 111 form, the other end of lock hook piece 211 and backguy 221 link, the other end of backguy 221 passes housing 111 and is the operating side, is provided with between lock hook piece 211 and the backguy 221 to drive lock hook piece 211 makes formation gap between described hook part 212 and the housing 111 along jointed shaft 231 rotations drive mechanism by backguy 221.

Such as Fig. 3, Fig. 4, shown in Figure 5, drive mechanism comprises latch release shaft 311, separate lock dog 321 and conciliate locking plate 331, latch release shaft 311 circumferentially rotates and is axially fixed in the housing 111, an end of separating lock dog 321 is set on the latch release shaft 311, the other end of separating lock dog 321 can be meshed with lock hook piece 211, an end of separating locking plate 331 circumferentially is fixed on the latch release shaft 311 and is close to be separated on the lock dog 321, separate the lug boss 322 that has projection on the lock dog 321, separate locking plate 331 middle parts and offer connecting bore, lug boss 322 passes connecting bore, the external diameter of the length of connecting bore and lug boss 322 is roughly the same, latch release shaft 311 can drive latch release shaft 311 rotations and solution lock dog 321 is linked to each other with the Transmission that lock hook piece 211 is separated by backguy 221 with one, Transmission is backguy connecting strap 341, backguy connecting strap 341 1 ends circumferentially are fixed on the latch release shaft 311, backguy connecting strap 341 other ends are connected mutually with the pull wire head of backguy 221, also are provided with between the other end of solution locking plate 331 and the lock hook piece 211 when separating and can drive the drive configuration that lock hook piece 211 rotates when lock dog 321 is separated with lock hook piece 211; Backguy 221 comprises outer spool and is arranged on the interior wire of outer spool, the wire two ends all pass described outer spool, wire one end is that pull wire head is connected mutually with backguy connecting strap 341, the wire other end is the operating side, one end of outer spool is fixed on the interior plate 131, and the other end of outer spool is fixed on the seat board; Solution lock dog 321 passes connecting bore by lug boss 322 and rotates synchronously with solution locking plate 331, when seat normally arranges, the ground lock is in lockup state, be meshed with lock hook piece 211 by separating lock dog 321, the position that guarantees lock hook piece 211 is motionless, the sealing that keeps lock hole 212a guarantees that automotive seat can firmly be fixed on the body platform; When needs erect seat, by pulling backguy 221 so that Transmission drives latch release shaft 311 rotates, separate like this lock dog 321 also along with rotation, break away from lock hook piece 211 so that separate lock dog 321, separate simultaneously locking plate 331 also along with latch release shaft 311 is rotated, by drive configuration turning effort is sent on the lock hook piece 211 like this lock hook piece 211 rotating opening lock hole 212a undetermined, ground lock is in released state, so just can make the vehicle body lock hook hole 212a that goes out of lock.

Such as Fig. 3, shown in Figure 4, drive configuration comprises the salient 213 that protrudes with respect to lock hook piece 211 bodies, lock hook sheet 411 and spring 421, spring 421 is cylindrical spring 421, spring 421 1 ends act on to be separated on the locking plate 331, spring 421 other ends act on the lock hook sheet 411, the two ends of spring 421 all have crotch section, offer hook on the solution locking plate 331 and hold the hole, knock hole passes in the crotch section of spring 421 1 ends, lock hook sheet 411 is provided with hook and holds groove, the crotch section of spring 421 other ends acts on hook and holds on the groove, and hook is held groove and hook, and to hold shortest distance between the hole length when just tight with cylindrical spring 421 identical; Lock hook sheet 411 is close on the lock hook piece 211, lock hook sheet 411 1 ends are set on the jointed shaft 231, lock hook sheet 411 middle parts offer mounting hole 412, salient 213 passes mounting hole 412, mounting hole 412 is strip, the mounting hole 412 that is strip offers direction and spring 421 be arranged in parallel, and the length of mounting hole 412 is greater than the external diameter of described salient 213.Because solution lock dog 321 is meshed with lock hook piece 211, when rotating, need will separate first lock dog 321 and move out ability rotation lock hook piece 211, therefore mounting hole 412 settings are strip, so that the motion delay of lock hook piece 211 is in separating lock dog 321; When the ground lock is in lockup state, when lock hole 212a is in closed state, spring 421 is in tight state, this moment, salient 213 was positioned at the mounting hole 412 of strip near an end of separating locking plate 331, separating lock dog 321 is meshed with lock hook piece 211, after the pulling backguy 221, latch release shaft 311 is rotated to drive and is separated locking plate 331 rotations, spring 421 drives lock hook sheet 411 and rotates towards separating locking plate 331 directions, after lock hook sheet 411 turns an angle salient 213 and mounting hole 412 away from an end of separating locking plate 331 against, lock hook sheet 411 drives 211 rotations of lock hook piece like this, so that lock hole 212a opens, lock is in released state in this wise; When automotive seat are put down, this moment, lock hole 212a was in open mode, when the generation of vehicle body lock hook and lock hook piece 211 is pushed, so that lock hook piece 211 rotates, when driving lock hook sheet 411 during near an end of separating locking plates 331, salient 213 and the mounting hole 412 that is positioned at strip rotate, lock hook sheet 411 drives by spring 421 and separates locking plate 331 rotations, thereby again mesh with lock hook piece 211 so that separate lock dog 321, lock hole 212a is in closed state and the vehicle body lock hook is in the lock hole 212a like this, locks from released state in this wise to forward lockup state to.

When seat normally arranges, the ground lock is in lockup state, the vehicle body lock hook is engaged in the lock hole 212a, seat just is fixed on the body platform like this, when needs erect seat, the operating side of pulling backguy 221, backguy 221 drives backguy connecting strap 341 and rotates, latch release shaft 311 is along with backguy connecting strap 341 rotates, separate locking plate 331 along with latch release shaft 311 turns an angle, separate locking plate 331 and drive 321 rotations of solution lock dog, separate simultaneously locking plate 331 and drive lock hook sheet 411 along jointed shaft 231 rotations by spring 421, after lock hook sheet 411 turns to certain angle an end of salient 213 and the connecting bore of lock hook sheet 411 against, lock hook sheet 411 drives lock hook piece 211 along jointed shaft 231 rotations like this, so that lock hole 212a opens, the such vehicle body lock hook hole 212a that just can go out of lock, automotive seat just can rotate along hinge-point and stand up like this; When automotive seat need to reappose, automotive seat are placed along the hinge-point rotation, squeezing action occurs in the hook part 212 of vehicle body lock hook and lock hook piece 211, so that lock hook piece 211 rotates around jointed shaft 231, so that lock hole 212a sealing, simultaneously lock hook piece 211 drives lock hook sheets 411 by salient 213 and rotates, separate simultaneously locking plate 331 and again reset and drives and separate that lock dog 321 resets and 211 engagements of lock hook piece so that lock again locking; By the switch that pulling backguy 221 is locked with controlling, the position of handled easily end arranges and is simple to operate.

Specific embodiment described herein only is to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.

Although this paper has more used housing 111; Outer panel 121; Interior plate 131; Fixed orifice 132; Locating dowel pin 141; Lock hook piece 211; Hook part 212; Lock hole 212a; Salient 213; Backguy 221; Jointed shaft 231; Latch release shaft 311; Separate lock dog 321; Lug boss 322; Separate locking plate 331; Connecting bore 332; Backguy connecting strap 341; Lock hook sheet 411; Mounting hole 412; Spring 421 terms such as grade, but do not get rid of the possibility of using other term.Using these terms only is in order to describe more easily and explain essence of the present utility model; They are construed to any additional restriction all is contrary with the utility model spirit.

Claims

1. the ground lock used of automotive seat, comprise housing (111), lock hook piece (211) and backguy (221), described lock hook piece (211) is hinged in the described housing (111) by a jointed shaft (231), one end of described lock hook piece (211) has the hook part (212) that can stretch out described housing (111), described hook part (212) can form an airtight lock hole (212a) with described housing (111), the other end of described lock hook piece (211) and described backguy (221) link, the other end of described backguy (221) passes described housing (111) and is the operating side, is provided with between described lock hook piece (211) and the backguy (221) to drive lock hook piece (211) makes formation gap between described hook part (212) and the described housing (111) along jointed shaft (231) rotation drive mechanism by backguy (221).

2. the ground lock used of automotive seat according to claim 1, it is characterized in that, described drive mechanism comprises latch release shaft (311), separate lock dog (321) and conciliate locking plate (331), described latch release shaft (311) is circumferentially rotated and is axially fixed in the housing (111), one end of described solution lock dog (321) is set on the latch release shaft (311), the other end of described solution lock dog (321) can be meshed with above-mentioned lock hook piece (211), one end of described solution locking plate (331) circumferentially is fixed on latch release shaft (311) upward and is close to and separates on the lock dog (321), the lug boss (322) that has projection on the described solution lock dog (321), described solution locking plate (331) middle part offers connecting bore, described lug boss (322) passes described connecting bore, the external diameter of the length of described connecting bore and described lug boss (322) is roughly the same, described latch release shaft (311) and one can drive latch release shaft (311) by above-mentioned backguy (221) and rotate and make and separate lock dog (321) and link to each other with the Transmission that lock hook piece (211) is separated, and also is provided with the drive configuration that can drive lock hook piece (211) rotation when solution lock dog (321) and lock hook piece (211) when being separated between the other end of described solution locking plate (331) and the lock hook piece (211).

3. the ground lock used of automotive seat according to claim 1, it is characterized in that, described drive configuration comprises the salient (213) that protrudes with respect to lock hook piece (211) body, lock hook sheet (411) and spring (421), described lock hook sheet (411) is close on the described lock hook piece (211), described lock hook sheet (411) one ends are set on the above-mentioned jointed shaft (231), described spring (421) one ends act on the other end of lock hook sheet (411), described spring (421) other end acts on the above-mentioned solution locking plate (331), described lock hook sheet (411) middle part offers mounting hole (412), described salient (213) passes described mounting hole (412), described mounting hole (412) is strip, the described mounting hole (412) that is strip offers direction and spring (421) be arranged in parallel, and the length of described mounting hole (412) is greater than the external diameter of described salient (213).

4. the ground lock used of automotive seat according to claim 2, it is characterized in that, described Transmission is backguy connecting strap (341), described backguy connecting strap (341) one ends circumferentially are fixed on the above-mentioned latch release shaft (311), and described backguy connecting strap (341) other end is connected mutually with the pull wire head of above-mentioned backguy (221).

5. the ground lock used of automotive seat according to claim 1, it is characterized in that, offer the fixed orifice (132) that runs through housing (111) on the described housing (111), also be fixed with locating dowel pin (141) on the described housing (111), described locating dowel pin (141) two ends all pass described housing (111).

6. the ground lock used of automotive seat according to claim 5, it is characterized in that, described housing (111) comprises outer panel (121) and interior plate (131), described outer panel (121) and interior plate (131) mutually against and be fixed together, above-mentioned fixed orifice (132) runs through described outer panel (121) and interior plate (131), and above-mentioned locating dowel pin (141) two ends pass respectively outer panel (121) and interior plate (131).