CN114197972B

CN114197972B - Tail box locking device

Info

Publication number: CN114197972B
Application number: CN202111312714.2A
Authority: CN
Inventors: 曹瑞欢; 徐勇; 程志能; 刘英婕; 胡华宋
Original assignee: Dongfeng Off Road Vehicle Co Ltd
Current assignee: Dongfeng Off Road Vehicle Co Ltd
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2023-04-07
Anticipated expiration: 2041-11-08
Also published as: CN114197972A

Abstract

The invention discloses a tail box locking device which is characterized by comprising a lock body assembly, a limiting clamping plate, an electric control promotion assembly and a limiting device assembly, wherein the lock body assembly is arranged on a tail box tail plate and can rotate around an axis along the thickness direction of the tail box tail plate, the limiting clamping plate is arranged on the inner plate surface of a tail box side plate, a clamping groove is formed in the limiting clamping plate and matched with the lock body assembly to lock the tail box tail plate, a side plate through hole is formed in the position, corresponding to the clamping groove, of the tail box side plate, the electric control promotion assembly is arranged on the outer plate surface of the tail box side plate, the movable end of the electric control promotion assembly and the side plate through hole are correspondingly arranged to push the lock body assembly to open the tail box tail plate, and the limiting device assembly is arranged between the tail box side plate and the tail box tail plate to control the opening angle of the tail box tail plate. The invention can operate the electric control pushing pin assembly in the vehicle to automatically open the tail plate of the tail box, and the limiting device assembly can make the opening angle of the tail plate of the tail box be 90 degrees and 180 degrees.

Description

Tail box locking device

Technical Field

The invention relates to automobile manufacturing, in particular to an automobile trunk locking device.

Background

Traditional car boot locking means is mostly locking lever lock seat split type structure, accomplishes simple switch of chamber door and locking through manual operation, and then realizes the goods storage and the loading and unloading in the boot. The military vehicle tail box is mainly used for carrying weapon equipment, not only needs simple switch and locking, but also needs to realize different opening and closing states in a short time according to the war hour requirements of the weapon equipment, and has an automatic opening function in a vehicle during emergency war preparation. The traditional automobile trunk locking device cannot meet the use requirements of military automobiles.

Application number is CN 208486709U's utility model discloses a vehicle railway carriage or compartment door locking mechanism, including lock handle, hasp, locking lever, tapered end and lock seat, the lock is fixed on the locking lever with the tapered end, and hasp and lock are connected the cooperation, and the lock seat sets up in the tapered end below. The lock head is a baffle fixed at the bottom end of the lock rod, the lock seat is made of a semi-arc structure formed by bending a plate, a locking hole matched with the lock head is formed in the lock seat, and a check ring is fixedly arranged on the lock rod. The defects of the patent are as follows: the lock seat of the lock head is a simple baffle structure, the baffle structure has lower strength compared with a rod structure, and the lock handle, the lock rod and the lock head are not integrally formed, so that the locking mechanism is easy to lose efficacy; only one state of unlocking and locking can be realized; the personnel must get off the vehicle and then carry out manual operation outside the vehicle.

The utility model with the application number of CN208040107U discloses a carriage door locking device, wherein one ends of an upper locking rod and a lower locking rod are inserted into slots of an upper boundary beam and a lower boundary beam through a high-strength square tube, two handles are clamped in locking slots of a locking rod connecting device, and a carriage door is locked; when the lockset needs to be opened, the lower lock rod handle is rotated firstly, the lower lock rod is ejected out under the action of the return spring, then the upper lock rod handle is rotated, and the lower lock rod slides down along the vertical groove to contact the lower lock rod, so that the lockset is completely opened. The scheme can only be used for a van-type structure with an upper boundary beam and a lower boundary beam, and the lock rod and the lock handle can be locked only by being inserted into the slot and the clamping slot at the same time, so that the operation process is complex and the opening and closing time is long; the personnel must get off the vehicle and then carry out manual operation outside the vehicle.

Therefore, a trunk locking device which has a simple structure, is convenient to operate, meets different opening and closing states, and can realize manual opening and closing and electric control automatic opening of the automobile trunk needs to be developed.

Disclosure of Invention

The invention aims to solve the defects of the background technology and provide a trunk locking device which has a simple structure, is convenient to operate, meets different opening and closing states and can realize manual opening and closing and electric control automatic opening of an automobile trunk.

The technical scheme of the invention is as follows: a tail box locking device is characterized by comprising a lock body assembly, a limiting clamping plate, an electric control pushing pin assembly and a limiting device assembly,

the lock body assembly sets up on the boot tailboard and can rotate around the axis along boot tailboard thickness direction, spacing cardboard sets up face in the boot curb plate, be equipped with the draw-in groove on the spacing cardboard and be used for boot tailboard locking with the lock body assembly cooperation, the boot curb plate is equipped with the curb plate via hole in the draw-in groove department of correspondence, the automatically controlled assembly of promoting a sale is set up in the outer face of boot curb plate, the expansion end of the automatically controlled assembly of promoting a sale is used for promoting the lock body assembly to open the boot tailboard with the curb plate via hole correspondence setting, the stop device assembly sets up the angle of opening that is used for controlling the boot tailboard between boot curb plate, the boot tailboard.

Preferably, the lock body assembly comprises a lock rod, and a lock head and a lock handle which are respectively arranged at two ends of the lock rod, a shaft sleeve is arranged in the tail plate of the tail box and axially arranged along the thickness direction of the tail plate of the tail box, the lock rod is rotatably arranged in the shaft sleeve in a penetrating manner, the lock head is vertically connected to the inner end of the lock rod and is used for being matched with the clamping groove, and a first limiting part is arranged on the lock rod and is used for limiting the axial movement of the lock rod.

Furthermore, the lock handle comprises a connecting part vertically connected with the outer end of the lock rod, the connecting part extends outwards to form a handle part, and the connecting part and the handle part are arranged in parallel with the lock head.

Further, the face parallel and level in the axle sleeve inner and the boot tailboard, outer end surpass or the face parallel and level outside the boot tailboard, first spacing part is including fixed spacing axle sleeve of locating on the locking lever of cover, spacing axle sleeve outer end is spacing with the axial contact in the axle sleeve, spacing axle sleeve inner, axle sleeve outer end respectively with locking lever both ends parallel and level.

Preferably, the electronic control pushing pin assembly comprises a shell and a pushing pin penetrating through the shell, the pushing pin and the side plate through hole are coaxially arranged and can axially move, the axial head of the pushing pin is arranged close to the side plate through hole, the tail of the pushing pin is provided with an electronic control interface, and a second limiting part is arranged in the shell and used for limiting the axial moving range of the pushing pin.

Further, the second spacing part includes that coaxial link firmly in the spacing ring of promoting on, the cover locates the answer spring of promoting on and sets up in the casing respectively with promote first stopper, the second stopper that head and the tail correspond of promoting, all set up the through-hole on first stopper, the second stopper and supply to promote the axial motion and pass, the spacing ring is located between first stopper, the second stopper and the spacing ring external diameter all is greater than the through-hole aperture on first stopper, the second stopper, answer spring compression and set up between second stopper and spacing ring.

Preferably, the stop device assembly includes the rope, sets up the spacer pin of face in the tail-box curb plate, rope rear end and tail-box tailboard fixed connection, the rope front end is equipped with the installation piece, seted up the pinhole on the installation piece and be used for being connected with the spacer pin is detachable.

Further, the pinhole is big calabash hole in the front and back, the spacer pin is including the round pin body and the round pin head of coaxial setting, the round pin body links firmly and the round pin body can be in the pinhole around with the interior face of tail-box curb plate, round pin head external diameter is less than pinhole rear end aperture, is greater than pinhole front end aperture.

Furthermore, when the limiting pin enters the pin hole and the rope is in a stretched straight state, the tail board of the tail box is in a horizontal state.

Preferably, the limiting clamping plate is fixedly connected with the inner plate surface of the side plate of the trunk in an attached mode, and the clamping groove is formed by downwards arranging the top surface of the limiting clamping plate.

Furthermore, the lock handle, the lock rod and the lock head are integrally formed.

The invention has the beneficial effects that:

1. the manual rotation lock body assembly cooperates the locking with spacing cardboard, can make boot curb plate and boot tailboard relatively fixed locking.

2. Stop device assembly simple structure and easy dismounting, the rope is collapsible to be packed up, flare-out expansion or quick detach break away from the boot curb plate according to the demand: when the lock body assembly is matched with the limiting clamping plate for locking, the rope is folded and retracted; when the rope is straightened and unfolded, the tail board of the trunk can be limited to be opened to be in a horizontal state, namely the opening angle is 90 degrees, a person can stand for operating the platform, and the operation of equipment is facilitated; when the rope is quickly detached from the lateral plates of the tail box, the tail plate of the tail box is completely opened to be vertical, namely the opening angle is 180 degrees.

3. Personnel can operate the electronic control pushing pin assembly in the vehicle, and the lock body assembly can be pushed to rotate by providing power through the electronic control interface, so that the tail plate of the tail box is automatically opened, the requirement of instantaneous opening in wartime is met, and the convenience and quickness in daily cargo loading and unloading are ensured.

Drawings

FIG. 1 is a schematic structural view of a boot lock apparatus according to the present invention

FIG. 2 is a schematic view of a lock assembly

FIG. 3 is a schematic view of the structure of the limiting device assembly (the limiting pin enters the pin hole)

FIG. 4 is a schematic view of the structure of the retainer assembly (the retainer pin is separated from the pin hole)

FIG. 5 is a schematic view of an electrically controlled promotional assembly

FIG. 6 is a schematic cross-sectional view of the electrically controlled push pin assembly (along the push pin axis)

FIG. 7 is a schematic view showing a locking state of the boot locking apparatus of the present invention

FIG. 8 is a cross-sectional view showing a locked state of the tail box locking means (in the push pin axis direction)

FIG. 9 is a schematic view of the open state of the boot lock of the present invention

FIG. 10 is a cross-sectional view showing the open state of the boot lock (in the push pin axis direction)

FIG. 11 is a schematic view of the structure of the present invention in an open state at various angles

Wherein: 1-trunk side plate 101-mounting bracket 102-side plate via hole 2-trunk tail plate 3-lock body assembly 301-lock handle (301.1-connecting part 301.2-handle part) 302-shaft sleeve 303-lock rod 304-limit shaft sleeve 305-lock head 4-limiting device assembly 401-rope 402-limiting pin (402.1-pin body 402.2-pin head) 403-pin hole 404-side bracket 405-rear bracket 406-mounting plate 5-electric control promotion assembly 501-shell 502-promotion 503-first limiting block 504-second limiting block 505-return spring 506-electric control interface 507-limiting ring 6-limiting clamping plate 601-clamping groove 7-hinge 8-trunk bottom plate.

Detailed Description

The following specific examples further illustrate the invention in detail.

As shown in fig. 1, the trunk locking device provided by the invention comprises a lock body assembly 3, a limit catch plate 6, an electric control push pin assembly 5 and a limit device assembly 4. The tail box side plate 1 and the tail box bottom plate 8 are of a fixed connection structure, the tail box tail plate 2 is of an openable structure, and the tail box tail plate 2 and the tail box bottom plate 8 are connected through a hinge 7 and turned over. The tail box locking devices are symmetrically arranged on the left side and the right side of the tail box.

As shown in fig. 2, the lock body assembly 3 is disposed on the tail box tail plate 2 and can rotate around an axis along the thickness direction of the tail box tail plate 2, the limiting clamping plate 6 is disposed on the inner surface of the tail box side plate 1, the limiting clamping plate 6 is provided with a clamping groove 601 matched with the lock body assembly 3 to lock the tail box tail plate 2, the tail box side plate 1 is provided with a side plate through hole 102 at a position corresponding to the clamping groove 601, the electric control promotion assembly 5 is disposed on the outer surface of the tail box side plate 1, the movable end of the electric control promotion assembly 5 corresponds to the side plate through hole 102 to be disposed to push the lock body assembly 3 to open the tail box tail plate 2, and the limiting device assembly 4 is disposed between the tail box side plate 1 and the tail box tail plate 2 to control the opening angle of the tail box tail plate 2.

The lock body assembly 3 comprises a lock rod 303, a lock head 305 and a lock handle 301 which are respectively arranged at two ends of the lock rod 303, and the lock handle 301, the lock rod 303 and the lock head 305 are integrally formed. The shaft sleeve 302 axially arranged along the thickness direction of the tail box tail plate 2 is arranged in the tail box tail plate 2, and the locking rod 303 is rotatably and coaxially arranged in the shaft sleeve 302 in a penetrating way. In this embodiment, the shaft sleeve 302 is embedded in the tail box tail plate 2, and is rust-proof and wear-proof, and the lock rod 303 can rotate in the shaft sleeve 302 by 360 degrees. The lock head 305 is vertically connected to the inner end of the lock rod 303 and is used for being matched with the clamping groove 601, and the lock rod 303 is provided with a first limiting part for limiting the axial movement of the lock rod 303.

The inboard parallel and level of face in axle sleeve 302 inner and the 2 tailboards of boot tailboard, the outer end surpasss or the parallel and level in the 2 outer faces of tailboard of boot tailboard, first spacing part is including fixed spacing axle sleeve 304 of locating on locking lever 303, spacing axle sleeve 304 outer end is spacing with the axial contact of axle sleeve 302 inner, spacing axle sleeve 304 is inner, axle sleeve 302 outer end respectively with the inside and outside both ends parallel and level of locking lever 303, but so set up the tapered end 305 activity in a fixed rotatory plane of fixing, guarantee with spacing cardboard 6 on draw-in groove 601 no poor locking cooperation. In this embodiment, the lock rod 303, the shaft sleeve 302 and the limiting shaft sleeve 304 all use one end adjacent to the tail box as an inner end.

In this embodiment, the lock handle 301 includes a connecting portion 301.1 vertically connected to the outer end of the lock rod 303, and the connecting portion 301.1 extends outward to form a handle portion 301.2, and both the connecting portion 301.1 and the handle portion 301.2 are parallel to the lock head 305, and the parallel arrangement is to make the opening and closing directions of the lock handle 301 and the lock head 305 consistent, so as to facilitate the operation and identification of the opening and closing directions. Enough holding space is left for handle portion 301.2, and hand grip portion 301.2 is rotatory, and locking lever 303 linkage is rotatory in axle sleeve 302, and tapered end 305 is in the same place rotatory, slides in the draw-in groove 601 of spacing cardboard 6, and boot tailboard 2 is closed, the draw-in groove 601 of the spacing cardboard 6 of roll-off, and boot tailboard 2 is opened.

As shown in fig. 3-4, the limiting device assembly 4 includes a rope 401 and a limiting pin 402 disposed on the inner surface of the trunk side plate 1, the rear end of the rope 401 is fixedly connected to a rear bracket 405 on the trunk tail plate 2, an installation piece 406 is disposed at the front end of the rope 401, and a pin hole 403 is disposed on the installation piece 406 for detachably connecting to the limiting pin 402. The rope 401 can be folded, straightened and unfolded or quickly detached from the trunk side plate 1 according to requirements, so that the trunk tail plate 2 can be limited and fixed when horizontally opened and can be completely opened after quick detachment.

The pin hole 403 is a gourd hole with a small front part and a large rear part, the limit pin 402 is axially and horizontally arranged, and the limit pin 402 comprises a pin body 402.1 and a pin head 402.2 which are coaxially arranged (the outer diameter of the pin head 402.2 is larger than that of the pin body 402.1). The mounting bracket 101 is arranged on the inner plate surface of the tail box side plate 1, the pin body 402.1 is fixedly connected to the mounting bracket 101 through the side bracket 404, and the outer diameter of the pin body 402.1 is smaller than the narrowest pore of the gourd hole, so that the pin body 402.1 can move back and forth in the pin hole 403. The outer diameter of the pin head 402.2 is smaller than the hole diameter of the rear end of the pin hole 403, so that the limit pin 402 can enter from the rear end of the pin hole 403; the outer diameter of the pin head 402.2 is larger than the aperture of the front end of the pin hole 403, so that the limit pin 402 cannot be separated from the front end of the pin hole 403, and the stable connection of the rope 401 is realized.

When the rope 401 is connected with the limiting pin 402, the limiting pin 402 penetrates through the rear end of the pin hole 403 and is pushed into the front end; when the rope 401 is detached from the stopper pin 402, the mounting piece 406 is pushed upward, the stopper pin 402 retreats from the front end to the rear end of the pin hole 403, and the rope 401 is disengaged from the stopper pin 402.

As shown in fig. 5-6, the electric control push pin assembly 5 includes a housing 501 and a push pin 502 inserted into the housing 501, the push pin 502 is coaxially disposed with the side plate through hole 102 and is axially movable, an axial head of the push pin 502 is disposed adjacent to the side plate through hole 102, an electric control interface 506 is disposed at a tail of the push pin 502, and a second limiting component is disposed in the housing 501 for limiting an axial range of movement of the push pin 502. The shell 501 is fixedly connected with the trunk side plate 1 through bolts, and the electric control interface 506 can provide power to enable the push pin 502 to move axially.

The second limiting component comprises a limiting ring 507 coaxially fixedly connected to the push pin 502, a return spring 505 sleeved on the push pin 502, a first limiting block 503 and a second limiting block 504 which are arranged in the shell 501 and respectively correspond to the head and the tail of the push pin 502, through holes are respectively arranged on the first limiting block 503 and the second limiting block 504 for the push pin 502 to axially move through, the limiting ring 507 is arranged between the first limiting block 503 and the second limiting block 504, the outer diameter of the limiting ring 507 is larger than the diameter of the through holes on the first limiting block 503 and the second limiting block 504, the return spring 505 is arranged between the second limiting block 504 and the limiting ring 507 in a compression mode, and two ends of the return spring 505 are respectively pressed against the second limiting block 504 and the limiting ring 507. The control switch arranged in the vehicle is connected with the electric control interface 506 through a special power line to realize electronic control, the control switch is turned on, the push pin 502 is pushed out of the shell 501 under the electric control effect, the control switch is turned off, and the push pin 502 is automatically retracted into the shell 501.

The face fixed connection in the 6 laminating tail-box curb plates 1 of spacing cardboard, draw-in groove 601 for offering from 6 top surfaces of spacing cardboard down and forming, draw-in groove 601 cooperation lock body assembly 3 or automatically controlled promotion assembly 5 realize opening and closing the locking of tail-box tailboard 2.

The working principle of the invention is as follows:

as shown in fig. 7-8, the lock 305 is located in the slot 601 to lock the tailgate 2 of the trunk, and at this time, the side plate through hole 102, the lock 305, the push pin 502, and the slot 601 are all located on the same axis. The electric control push pin assembly 5 is in a closed state, the head of the push pin 502 retracts into the shell 501, the limiting pin 402 enters the pin hole 403 at the front end of the rope 401, and the rope 401 is in a folded state.

As shown in fig. 9-10, when the trunk is opened manually, the lock handle 301 rotates counterclockwise, the lock head 305 slides out of the slot 601, and the trunk tail plate 2 is turned over and opened; when the trunk is electrically opened, an operator can operate an electric opening button in a cab, an electric control interface 506 of the electric control device assembly 5 is started to work to push out the push pin 502, the push pin 502 pushes the lock head 305 out of the clamping groove 601 through the side plate through hole 102 of the trunk side plate 1, and the trunk tail plate 2 is turned over and opened; as shown in fig. 11, during the opening process, the rope 401 of the limiting device assembly 4 is straightened to limit the opening of the trunk tail plate 2 to a horizontal state, that is, the opening angle is 90 °, the rope 401 is manually quickly detached from the limiting pin 402, and the trunk tail plate 2 can be vertically opened, that is, the opening angle is 180 °.

The trunk tail plate 2 is manually folded, the limiting device assembly 4 is folded and folded, the rope 401 is manually connected with the limiting pin 402, the lock handle 301 rotates clockwise, the lock head 305 slides into the clamping groove 601, and the trunk is closed and locked.

Claims

1. A tail box locking device is characterized by comprising a lock body assembly (3), a limiting clamping plate (6), an electric control pushing pin assembly (5) and a limiting device assembly (4),

the lock body assembly (3) is arranged on the tail box tail plate (2) and can rotate around an axis along the thickness direction of the tail box tail plate (2), the limiting clamping plate (6) is arranged on the inner plate surface of the tail box side plate (1), a clamping groove (601) is formed in the limiting clamping plate (6) and matched with the lock body assembly (3) to lock the tail box tail plate (2), the limiting clamping plate (6) is fixedly connected with the inner plate surface of the tail box side plate (1) in a fit mode, the clamping groove (601) is formed by downwards opening from the top surface of the limiting clamping plate (6), the tail box side plate (1) is provided with a side plate through hole (102) at the position corresponding to the clamping groove (601), the electric control promotion assembly (5) is arranged on the outer plate surface of the tail box side plate (1), the movable end of the electric control promotion assembly (5) and the side plate through hole (102) are correspondingly arranged to promote the lock body assembly (3) to open the tail box tail plate (2), and the limiting device assembly (4) is arranged between the tail box side plate (1) and the tail box tail plate (2) to control the tail box tail plate (2);

the lock body assembly (3) comprises a lock rod (303), and a lock head (305) and a lock handle (301) which are respectively arranged at two ends of the lock rod (303), wherein a shaft sleeve (302) which is axially arranged along the thickness direction of the tail box tail plate (2) is arranged in the tail box tail plate (2), the lock rod (303) is rotatably arranged in the shaft sleeve (302) in a penetrating way, the lock head (305) is vertically connected to the inner end of the lock rod (303) and is used for being matched with the clamping groove (601), and a first limiting part is arranged on the lock rod (303) and is used for limiting the axial movement of the lock rod (303);

the inner end of the shaft sleeve (302) is flush with the inner plate surface of the tail box tail plate (2), the outer end of the shaft sleeve is over or flush with the outer plate surface of the tail box tail plate (2), the first limiting component comprises a limiting shaft sleeve (304) fixedly sleeved on the lock rod (303), the outer end of the limiting shaft sleeve (304) is axially contacted and limited with the inner end of the shaft sleeve (302), and the inner end of the limiting shaft sleeve (304) and the outer end of the shaft sleeve (302) are respectively flush with the two ends of the lock rod (303);

the electric control push pin assembly (5) comprises a shell (501) and a push pin (502) penetrating through the shell (501), the push pin (502) and the side plate through hole (102) are coaxially arranged and can axially move, the axial head of the push pin (502) is arranged close to the side plate through hole (102), the tail of the push pin is provided with an electric control interface (506), and a second limiting part is arranged in the shell (501) and used for limiting the axial movement range of the push pin (502);

the second limiting component comprises a limiting ring (507) coaxially fixedly connected to the push pin (502), a return spring (505) sleeved on the push pin (502) and a first limiting block (503) and a second limiting block (504) which are arranged in the shell (501) and correspond to the head and the tail of the push pin (502) respectively, through holes are formed in the first limiting block (503) and the second limiting block (504) for the push pin (502) to axially move through, the limiting ring (507) is located between the first limiting block (503) and the second limiting block (504), the outer diameter of the limiting ring (507) is larger than the diameter of the through holes in the first limiting block (503) and the second limiting block (504), and the return spring (505) is compressed and arranged between the second limiting block (504) and the limiting ring (507).

2. A boot lock arrangement as claimed in claim 1, characterized in that the lock handle (301) comprises a connecting portion (301.1) which is connected perpendicularly to the outer end of the lock lever (303), and in that the connecting portion (301.1) extends outwardly to form a handle portion (301.2), and in that both the connecting portion (301.1) and the handle portion (301.2) are arranged parallel to the lock head (305).

3. The boot locking device according to claim 1, wherein the limiting device assembly (4) comprises a rope (401) and a limiting pin (402) arranged on the inner plate surface of the boot side plate (1), the rear end of the rope (401) is fixedly connected with the boot tail plate (2), the front end of the rope (401) is provided with a mounting piece (406), and the mounting piece (406) is provided with a pin hole (403) for detachably connecting with the limiting pin (402).

4. The locking device for the trunk of the truck as claimed in claim 3, wherein the pin hole (403) is a gourd hole with a small front end and a large rear end, the limiting pin (402) comprises a pin body (402.1) and a pin head (402.2) which are coaxially arranged, the pin body (402.1) is fixedly connected with the inner plate surface of the trunk side plate (1), the pin body (402.1) can move back and forth in the pin hole (403), and the outer diameter of the pin head (402.2) is smaller than the hole diameter of the rear end of the pin hole (403) and larger than the hole diameter of the front end of the pin hole (403).

5. A boot lock apparatus according to claim 3 wherein the boot tailgate (2) is horizontal when the limit pin (402) is received in the pin hole (403) and the cable (401) is straightened.