CN217198415U - Locking means and car - Google Patents

Abstract

The utility model relates to a spare tyre rack installation accessory technical field discloses a locking means and car, and wherein locking means includes: the mounting structure comprises a mounting rod, a rear bumper, a lock catch arranged on the rear bumper, a locking mechanism arranged on the mounting rod and capable of being locked with the lock catch, a limiting seat arranged on the rear bumper and a limiting mechanism arranged on the mounting rod and capable of being locked with the limiting seat; the mounting rod is pivoted with the rear bumper through a first pivot; the mounting bar is movable relative to the first pivot between an open position and a closed position. The embodiment of the utility model provides a can make the spare tyre rack no matter be fixed opening the position or closing position homoenergetic to avoid the spare tyre rack to take place to sway and striking user's the condition because of the effect of external force down in the opening position, thereby reduce the emergence of dangerous accident, make the installation of spare tyre rack safe and reliable more.

Description

Locking means and car

Technical Field

The utility model relates to a spare tire rack installation accessory technical field especially relates to a locking means and car.

Background

The tire is the indispensable part of car, in order to avoid the tire to damage the condition that leads to the unable walking of car, has all set up the spare tyre at present on many cars to the spare tyre passes through locking device and spare tyre rack and installs the spare tyre on the car.

Most spare wheel carrier is provided with the locking structure only when the closed condition on the existing market, but does not have the locking structure or only set up buffer structure when the spare wheel carrier is opened extreme condition, does not have buffer structure even, also can't be spacing after the spare wheel carrier is opened, leads to the spare wheel carrier to take place to sway and striking the user easily because of the effect of external force down in the open position to make the spare wheel carrier have the potential safety hazard in the use.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the spare tire rack can not be limited after being opened, so that the spare tire rack is easy to swing and impact a user at an opening position under the action of external force, and the spare tire rack has potential safety hazards in the using process.

In order to solve the technical problem, the utility model provides a locking device, it includes: the rear bumper is arranged on the rear bumper, the mounting rod is used for mounting a spare tire carrier, the rear bumper is arranged on the rear bumper, the locking mechanism is arranged on the mounting rod and can be locked with the locking buckle, the limiting seat is arranged on the rear bumper, and the limiting mechanism is arranged on the mounting rod and can be locked with the limiting seat; the mounting rod is pivoted with the rear bumper through a first pivot shaft; the mounting bar is movable relative to the first pivot between an open position and a closed position;

when the mounting rod is located at the closing position, the lock catch is locked with the locking mechanism, and the limiting mechanism is unlocked with the limiting seat;

when the mounting rod is located at the opening position, the limiting mechanism is locked with the limiting seat, and the lock catch is unlocked with the locking mechanism.

Optionally, the limiting mechanism includes: the sliding device comprises a first mounting seat with a sliding channel, an inserted bar arranged in the sliding channel in a sliding mode, an elastic piece arranged in the sliding channel, a first stop plate arranged in the sliding channel, and a second stop plate arranged on the inserted bar; the first stop plate is provided with a through hole; the first end of the inserting rod penetrates through the through hole and extends out of the sliding channel, the second end of the inserting rod is provided with a limiting block, and the limiting seat is provided with a locking cavity for clamping the limiting block; the elastic piece is positioned between the first stop plate and the second stop plate;

when the mounting rod is located at the opening position, the limiting block is clamped in the locking cavity.

Optionally, the elastic member is a spring; the spring is sleeved outside the inserted rod; one end of the spring is abutted against the first stop plate, and the other end of the spring is abutted against the second stop plate.

Optionally, the sliding channel is a cylindrical channel; the locking cavity is a cylindrical cavity; the axis of the sliding channel is parallel to the axis of the locking cavity and the axis of the first pivot respectively.

Optionally, the method further includes: a first toggle member; the first hand-pulling piece is fixedly connected with the first end of the inserted bar.

Optionally, the spacing seat includes: the rear bumper comprises a cylindrical seat body arranged on the rear bumper and a circular truncated cone seat body arranged on the cylindrical seat body; the cylindrical seat body and the circular truncated cone seat body are coaxially arranged; the diameter of one end of the circular truncated cone base body, which is far away from the cylindrical base, is smaller than that of one end of the circular truncated cone base body, which is close to the cylindrical base; the limiting block is hemispherical; the axis of the limiting block coincides with the axis of the inserted link.

Optionally, the locking mechanism includes: the locking device comprises a second hand-pulling piece, a first elastic resetting piece, a second mounting seat connected with a mounting rod, a locking piece pivoted on the second mounting seat through a second pivot, and a lock tongue pivoted on the second mounting seat through a third pivot; the locking piece is provided with a clamping block, and the lock tongue is provided with an insertion hole for clamping the clamping block and a bayonet for clamping the lock catch;

the locking bolt is movable relative to the third pivot between a locked position and an unlocked position;

under the condition that the clamping block is clamped in the insertion opening, the locking piece and the lock tongue are relatively fixed so as to limit the locking piece at the locking position;

when the lock tongue is located at the unlocking position, the opening of the bayonet faces the lock catch; when the bolt is located at the locking position, the opening of the bayonet faces away from the lock catch;

the first elastic resetting piece is connected with the locking piece, and when the lock tongue is located at the locking position, the first elastic resetting piece is used for applying a first elastic force to the locking piece to enable the clamping block to be clamped in the insertion opening; the second hand-pulling piece is connected with the locking piece and is used for applying first pushing force to the locking piece to enable the clamping block to be separated from the insertion opening;

the second elastic resetting piece is connected with the lock tongue, and when the clamping block is separated from the insertion opening, the second elastic resetting piece is used for applying second elastic force to the lock tongue so as to enable the lock tongue to move from a locking position to an unlocking position;

the lock catch is used for applying a second pushing force to the lock bolt when the lock bolt is located at the unlocking position so as to enable the lock bolt to move from the unlocking position to the locking position.

Optionally, the blocking block and the second hand-pulling member are respectively arranged on two opposite sides of the second pivot.

Optionally, the method further includes: a cushion rubber pad; the upper end surface of the rear bumper is parallel to the lower end surface of the mounting rod; the buffer rubber pad is arranged on the lower end face of the mounting rod; when the mounting rod is located in the closed position, the buffer rubber pad is in contact with the upper end face of the rear bumper.

An automobile, comprising: a spare tire carrier and a locking device as described above; the spare tire rack is fixedly connected with the mounting rod.

The embodiment of the utility model provides a locking means and car compare with prior art, and its beneficial effect lies in:

the embodiment of the utility model provides a can make the spare tyre rack no matter be fixed opening the position or closing position homoenergetic to avoid the spare tyre rack to take place to sway and striking user's the condition because of the effect of external force down in the opening position, thereby reduce the emergence of dangerous accident, make the installation of spare tyre rack safe and reliable more. And fix the spare tire rack on rear bumper through stop gear and spacing seat in the open position, can be more convenient for the user borrow the power operation to the spare tire on the spare tire rack, effectively improve user's experience and feel.

Drawings

Fig. 1 is a schematic structural view of an embodiment of the present invention (the latch is in the open position);

fig. 2 is a top view of an embodiment of the invention (with the locking bolt in the closed position);

fig. 3 is a top view of an embodiment of the invention (with the locking bolt in the open position);

fig. 4 is a schematic view of the connection of a rear bumper and a mounting bar in an embodiment of the invention;

fig. 5 is a schematic view of a position relationship between the limiting mechanism and the limiting seat in the embodiment of the present invention;

fig. 6 is a schematic structural view of a rear bumper and a limit seat in an embodiment of the present invention;

fig. 7 is a schematic structural view of a limiting seat in an embodiment of the present invention;

fig. 8 is a schematic structural view of an embodiment of the present invention (the latch is in the closed position);

FIG. 9 is a schematic view of the connection between the mounting rod and the locking mechanism according to the embodiment of the present invention;

FIG. 10 is a schematic structural view of an embodiment of the insert rod of the present invention;

fig. 11 is a schematic structural diagram of the first mounting seat in the embodiment of the present invention;

FIG. 12 is a schematic view of an embodiment of the present invention in which a stopper is ready to enter a locking cavity;

FIG. 13 is a schematic view of an embodiment of the present invention in which a stopper is entering a locking cavity;

FIG. 14 is a schematic view of an embodiment of the present invention in which a stopper enters a locking cavity;

fig. 15 is a schematic structural diagram of a locking mechanism in an embodiment of the present invention.

In the figure, 1, a mounting rod; 2. a rear bumper; 3. locking; 4. a locking mechanism; 41. a second toggle piece; 42. a first elastic reset member; 44. a second mounting seat; 45. a second pivot; 46. a locking member; 47. a third pivot; 48. a latch bolt; 481. an insertion opening; 482. a bayonet; 5. a limiting seat; 51. a locking cavity; 52. a cylindrical base body; 53. a circular truncated cone base; 6. a limiting mechanism; 61. a first mounting seat; 611. a slide channel; 62. inserting a rod; 63. an elastic member; 64. a first stopper plate; 65. a second stopper plate; 7. a first pivot; 8. a limiting block; 9. a first toggle member; 10. clamping the block; 11. and a buffer rubber cushion.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

First, it should be noted that the orientations of top, bottom, upward, downward, and the like referred to herein are defined with respect to the orientation in the respective drawings, are relative concepts, and thus can be changed according to different positions and different practical states in which they are located. These and other orientations, therefore, should not be used in a limiting sense.

It should be noted that the term "comprising" does not exclude other elements or steps and the "a" or "an" does not exclude a plurality.

Furthermore, it should be further noted that any single technical feature described or implied in the embodiments herein, or any single technical feature shown or implied in the figures, can still be combined between these technical features (or their equivalents) to obtain other embodiments of the present application not directly mentioned herein.

It will be further understood that the terms "first," "second," and the like, are used herein to describe various information and should not be limited to these terms, which are used merely to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present application.

It should be noted that in different drawings, the same reference numerals indicate the same or substantially the same components.

As shown in fig. 1, fig. 2, and fig. 3, a locking device according to a preferred embodiment of the present invention includes: the mounting structure comprises a mounting rod 1 for mounting a spare tire carrier, a rear bumper 2, a lock catch 3 arranged on the rear bumper 2, a locking mechanism 4, a limiting seat 5 arranged on the rear bumper 2 and a limiting mechanism 6. The locking mechanism 4 is arranged on the mounting rod 1 and can be locked with the lock catch 3. The limiting mechanism 6 is arranged on the mounting rod 1 and can be locked with the limiting seat 5. The rear bumper 2 is mounted on the vehicle.

The mounting bar 1 is pivotally connected to the rear bumper 2 by a first pivot 7. The mounting bar 1 is movable relative to the first pivot 7 between an open position and a closed position. Wherein the open position refers to the spare tire carrier being open relative to the rear bumper 2 to facilitate removal of a spare tire from the spare tire carrier. The closed position means that the spare tire carrier is closed with respect to the rear bumper 2 so that the spare tire on the spare tire carrier is locked.

When the mounting rod 1 is located at the closing position, the lock catch 3 is locked with the locking mechanism 4, and the limiting mechanism 6 is unlocked with the limiting seat 5.

When the mounting rod 1 is located at the opening position, the limiting mechanism 6 is locked with the limiting seat 5, and the lock catch 3 is unlocked with the locking mechanism 4.

This application passes through respectively hasp 3 with locking mechanism 4 locks mutually, stop gear 6 with spacing seat 5 locks mutually to make the spare tyre rack no matter open the position or closed position homoenergetic fixed, in order to avoid the spare tyre rack to take place to sway and striking the user because of the effect of external force in the open position down, thereby reduce the emergence of dangerous accident, and open the position and fix the spare tyre rack on rear bumper 2 through stop gear 6 and spacing seat 5, can be more convenient for the user borrow the power operation to the spare tyre on the spare tyre rack, effectively improve user's experience and feel.

The open position is most preferably the extreme open position of the spare tire carrier, see fig. 3 and 4, but of course the open position can also be between the extreme open position and the closed position. In the present embodiment, the definition of the open position is not further limited.

The lock catch 3, the locking mechanism 4, the limiting mechanism 6, and the limiting seat 5 in this embodiment will be further described below by taking the open position as an example of a limit open position of the spare tire carrier.

Referring to fig. 4, a first pivot shaft 7 is provided at an upper end surface of the rear bumper 2, and the first pivot shaft 7 extends in a vertical straight direction so that the mounting bar 1 can rotate on the rear bumper 2 relative to the first pivot shaft 7.

In a possible embodiment, as shown in fig. 4, 5, 10 and 12, the limiting mechanism 6 includes: the sliding device comprises a first mounting seat 61 with a sliding channel 611, an insertion rod 62 arranged in the sliding channel 611 in a sliding mode, an elastic piece 63 arranged in the sliding channel 611, a first stop plate 64 arranged in the sliding channel 611, and a second stop plate 65 arranged on the insertion rod 62. Among them, the slide channel 611 is a cylindrical channel whose axis extends in the vertical straight direction, and the sliding direction of the insert rod 62 within the slide channel 611 is also the vertical straight direction.

Referring to fig. 11, the first stopper plate 64 is formed with a through hole. The first end of the inserting rod 62 penetrates through the through hole and extends to the outside of the sliding channel 611, the second end of the inserting rod 62 is provided with a limiting block 8, and the limiting seat 5 is provided with a locking cavity 51 for clamping the limiting block 8. The elastic member 63 is located between the first stop plate 64 and the second stop plate 65, and the second stop plate 65 is provided on the insertion rod 62, so that the second stop plate 65 can slide in the sliding channel 611. Under the condition that the elastic member 63 is in a natural state, the stopper 8 and the locking cavity 51 are on the same horizontal plane.

Referring to fig. 12-14, fig. 12 shows stopper 8 ready to enter locking cavity 51, fig. 13 shows stopper 8 entering locking cavity 51, and fig. 14 shows stopper 8 entering locking cavity 51. When the mounting rod 1 is located at the open position, a user can push the elastic member 63 toward the first stop plate 64 by pulling the first end of the insertion rod 62 upward, move the limit block 8 so that the limit block 8 is located above the locking cavity 51, and release the first end of the insertion rod 62 so that the limit block 8 is clamped in the locking cavity 51 under the rebounding action of the spring, so that the spare tire carrier can be fixed at the open position, the structure of the limiting mechanism 6 is simple, and the insertion rod 62 is vertically inserted into the locking cavity 51, and the insertion rod 62 cannot move in the horizontal direction, thereby maximally limiting the swinging of the mounting rod 1 and the spare tire carrier.

Further, the through hole of the first stop plate 64 is adapted to the diameter of the insertion rod 62 to prevent the insertion rod 62 from swinging left and right in the through hole.

Specifically, the elastic member 63 is a spring. The spring is sleeved outside the inserted rod 62. One end of the spring abuts against the first stop plate 64, and the other end of the spring abuts against the second stop plate 65. And the first stop plate 64 and the second stop plate 65 are arranged in parallel, and the diameter of the second stop plate 65 is matched with the inner diameter of the sliding channel 611, so that the compression of the spring is more uniform, and the spring only generates resilience force in the vertical direction.

In a possible embodiment, the sliding channel 611 is a cylindrical channel. The locking cavity 51 is a cylindrical cavity. The axis of the sliding channel 611 is parallel to the axis of the locking chamber 51 and to the axis of the first pivot 7, respectively.

Further, referring to fig. 12, the embodiment of the present application further includes: a first hand-toggle member 9. The first hand-pulling member 9 is fixedly connected with a first end of the insertion rod 62. Specifically, a threaded section is formed on the outer side of the first end of the inserting rod 62, the first hand-operated member 9 is in threaded connection with the threaded section so as to be fixed on the first end of the inserting rod 62, and the lower end surface of the first hand-operated member 9 is in contact with the upper end surface of the first stop plate 64 when the elastic member 63 is in a natural state. The present application enables movement in the vertical direction by manually pulling the plunger 62 through the provision of the first hand-toggle member 9.

In a possible embodiment, referring to fig. 7, the stopping block 5 comprises: a cylinder seat body 52 and a circular truncated cone seat body 53. A cylindrical seat body 52 is provided on the rear bumper 2. The circular truncated cone base body 53 is arranged on the cylindrical base body 52. The cylindrical seat body 52 and the circular table seat body 53 are coaxially arranged, and the locking cavity 51 penetrates through the cylindrical seat body 52 and the circular table seat body 53 and is coaxially arranged. The diameter of one end, far away from the cylindrical seat, of the circular truncated cone seat body 53 is smaller than that of one end, close to the cylindrical seat, of the circular truncated cone seat body 53. The limiting block 8 is hemispherical, and the axis of the limiting block 8 coincides with the axis of the insertion rod 62. In this embodiment, the hemispherical stopper 8 is in contact with the outer side surface of the circular truncated cone base body 53, so that the stopper 8 is in the process of approaching the center of the locking cavity 51, the stopper 8 receives the pushing force of the outer side surface of the circular truncated cone base body 53, so that the spring is continuously compressed, and the insertion rod 62 moves upwards until the stopper 8 enters the locking cavity 51, so that the stopper 8 can be clamped into the locking cavity 51 through the first hand-operated member 9, and the stopper 8 can be clamped into the locking cavity 51 through the cooperation of the circular truncated cone base body 53 and the stopper 8, so that when a user opens the spare tire carrier to reach an opening position, the spare tire carrier is automatically fixed on the opening position.

In a possible embodiment, with reference to fig. 1 and 15, the locking mechanism 4 comprises: the second hand-pulling element 41, the first elastic resetting element 42, the second elastic resetting element, a second mounting seat 44 connected with the mounting rod 1, a locking element 46 pivoted on the second mounting seat 44 through a second pivot 45, and a locking bolt 48 pivoted on the second mounting seat 44 through a third pivot 47. Wherein the second pivot 45 and the third pivot 47 are arranged in parallel, and the second pivot 45 and the third pivot 47 extend in a horizontal straight direction.

The locking piece 46 is provided with a clamping block 10, and the lock tongue 48 is formed with an insertion hole 481 for clamping the clamping block 10 and a bayonet 482 for clamping the lock catch 3. The engaging block 10 is fitted to the insertion hole 481.

The latch 48 is movable between a lock position and an unlock position with respect to the third pivot 47, the latch 48 is not disengaged from each other in the lock position where the latch 3 and the latch 48 can be locked, and the latch 48 is disengaged from each other in the unlock position where the latch 3 and the latch 48 can be unlocked.

In a state where the locking piece 10 is locked in the insertion hole 481, the locking piece 46 and the latch 48 are fixed relative to each other to limit the locking piece 46 to the locking position, so that the shackle 3 and the latch 48 can be locked so as not to be disengaged from each other.

When the latch tongue 48 is located at the unlocking position, the opening of the bayonet 482 faces the lock catch 3, so that the lock catch 3 can be inserted into the bayonet 482. When the latch tongue 48 is in the locking position, the opening of the bayonet 482 faces away from the buckle 3, so that the buckle 3 and the latch tongue 48 can be locked so as not to be disengaged from each other.

The first elastic reset element 42 is connected to the locking element 46, and when the locking tongue 48 is located at the locking position, the first elastic reset element 42 is configured to apply a first elastic force to the locking element 46 so as to enable the engaging block 10 to be engaged with the insertion opening 481. The second toggle member 41 is connected to the locking member 46, and the second toggle member 41 is used for applying a first pushing force to the locking member 46 to disengage the locking block 10 from the insertion opening 481, wherein the first pushing force of the second toggle member 41 is manually provided by the user.

The second elastic restoring member is connected to the latch 48, and when the locking block 10 is disengaged from the insertion hole 481, the second elastic restoring member is used for applying a second elastic force to the latch 48 to move the latch 48 from the locking position to the unlocking position.

The lock catch 3 is configured to apply a second pushing force to the latch tongue 48 when the latch tongue 48 is located at the unlocking position, so as to move the latch tongue 48 from the unlocking position to the locking position.

In the locking position, the latch 3 is located below the third pivot 47, so that the third pivot 47 can push the latch 48 to rotate clockwise around the third pivot 47 after being inserted into the notch 482 of the latch 48.

Wherein, the first elastic force of the first elastic reset piece 42 is clockwise. The second elastic direction of the second elastic reset piece is anticlockwise.

The operation of the locking tongue 48 and locking member 46 is explained below:

referring to fig. 15, as illustrated in the view angle of fig. 15, in the initial state, the opening of the bayonet 482 of the latch tongue 48 faces away from the buckle 3, and the catching block 10 is caught in the insertion opening 481. The user applies a first pushing force to the second toggle member 41 to rotate the locking member 46 counterclockwise relative to the second pivot 45, and the locking block 10 is disengaged from the insertion opening 481 to disengage the latch tongue 48 from the limit of the locking member 46. The latch 48 is rotated counterclockwise with respect to the third pivot 47 by the second elastic force of the second elastic restoring member until the opening of the catch 482 faces the striker 3, the user rotates the mounting lever 1 with respect to the rear bumper 2 via the first pivot 7 to insert the striker 3 into the catch 482, the striker 3 pushes the latch 48 to rotate clockwise about the third pivot 47 to move the latch 48 from the unlock position to the lock position since the striker 3 is located below the third pivot 47, and the catch block 10 is reinserted into the insertion opening 481 since the insertion opening 481 rotates clockwise with respect to the third pivot 47, at which time the striker 3 and the latch 48 are locked.

Specifically, the first elastic resetting piece 42 and the second elastic resetting piece are torsion springs, and are respectively sleeved on the second pivot 45 and the third pivot 47, and certainly, other installation manners of torsion springs can be realized, which is not limited herein.

Further, referring to fig. 1 and 9, the second mounting seat 44 is disposed below the mounting bar 1, and the locking piece 46 and the latch 48 are each plate-shaped, and the locking piece 46 and the latch 48 are each located on a vertical plane. The second mounting seat 44 has an operation opening for facilitating the user to operate the second hand-dialing member 41 through the operation opening.

Further, the blocking block 10 and the second pushing element 41 are respectively disposed on two opposite sides of the second pivot shaft 45, so that the blocking block 10 can be rotated relative to the third pivot shaft 47 by pushing the second pushing element 41.

Further, referring to fig. 8, the present embodiment further includes: and a cushion rubber 11. The upper end surface of the rear bumper 2 is parallel to the lower end surface of the mounting rod 1. Buffering cushion 11 sets up the lower extreme of installation pole 1, works as installation pole 1 is located during the closed position, buffering cushion 11 with rear bumper 2's up end contacts, and setting up of buffering cushion 11 makes and plays the cushioning effect to the spare wheel frame, also be that can not be because of great inertia striking on rear bumper 2 when installation pole 1 closes, and when the closed position, installation pole 1 part gravity passes through buffering cushion 11 and disperses to rear bumper 2 on to play the bearing effect to installation pole 1, effectively reduced the atress of first pivot 7, in order to increase the life of first pivot 7.

The application also provides an automobile which comprises the spare tire carrier and the locking device. Spare wheel carrier and installation pole 1 fixed connection make installation pole 1 can drive the rotation of spare wheel carrier.

The utility model discloses a working process does: the mounting bar 1 is switched between the closed position and the open position by rotating the mounting bar 1 relative to the first pivot 7. When the mounting rod 1 is located at the closed position, the lock catch 3 is locked with the lock tongue 48, and the inserted rod 62 is unlocked with the limit seat 5. When the mounting rod 1 is located at the open position, the lock catch 3 is unlocked from the lock tongue 48, and the insert rod 62 is vertically inserted into the lock cavity 51.

To sum up, the embodiment of the utility model provides a locking device and car, it can make the spare tire rack no matter open the position or the closed position homoenergetic is fixed to avoid the spare tire rack to take place to sway and the striking user's the condition under the effect of external force at the open position, thereby reduce the emergence of dangerous accident, make the installation of spare tire rack safe and reliable more. And fix the spare tire rack on rear bumper 2 through stop gear 6 and spacing seat 5 in the open position, can be more convenient for the user borrow the power operation to the spare tire on the spare tire rack, effectively improve user's experience and feel.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be considered as the protection scope of the present invention.

Claims (10)

1. A locking device, comprising: the device comprises a mounting rod for mounting a spare tire carrier, a rear bumper, a lock catch arranged on the rear bumper, a locking mechanism arranged on the mounting rod and capable of being locked with the lock catch, a limiting seat arranged on the rear bumper and a limiting mechanism arranged on the mounting rod and capable of being locked with the limiting seat; the mounting rod is pivoted with the rear bumper through a first pivot shaft; the mounting bar is movable relative to the first pivot between an open position and a closed position;

when the mounting rod is located at the closing position, the lock catch is locked with the locking mechanism, and the limiting mechanism is unlocked with the limiting seat;

when the mounting rod is located at the opening position, the limiting mechanism is locked with the limiting seat, and the lock catch is unlocked with the locking mechanism.

2. The lock-out mechanism of claim 1, wherein the limit mechanism comprises: the sliding device comprises a first mounting seat with a sliding channel, an inserted bar arranged in the sliding channel in a sliding mode, an elastic piece arranged in the sliding channel, a first stop plate arranged in the sliding channel, and a second stop plate arranged on the inserted bar; the first stop plate is provided with a through hole; the first end of the inserted rod penetrates through the through hole and extends out of the sliding channel, the second end of the inserted rod is provided with a limiting block, and the limiting seat is provided with a locking cavity for clamping the limiting block; the elastic piece is positioned between the first stop plate and the second stop plate;

when the mounting rod is located at the opening position, the limiting block is clamped in the locking cavity.

3. The lock-out mechanism of claim 2, wherein the resilient member is a spring; the spring is sleeved outside the inserted rod; one end of the spring is abutted against the first stop plate, and the other end of the spring is abutted against the second stop plate.

4. The lock-out mechanism of claim 2, wherein the sliding channel is a cylindrical channel; the locking cavity is a cylindrical cavity; the axis of the sliding channel is parallel to the axis of the locking cavity and the axis of the first pivot respectively.

5. The lock-out mechanism of claim 2, further comprising: a first toggle member; the first hand-pulling piece is fixedly connected with the first end of the inserted bar.

6. The lock-out mechanism of claim 2, wherein the retention socket comprises: the rear bumper comprises a cylindrical seat body arranged on the rear bumper and a circular truncated cone seat body arranged on the cylindrical seat body; the cylindrical seat body and the circular truncated cone seat body are coaxially arranged; the diameter of one end of the circular truncated cone base body, which is far away from the cylindrical base, is smaller than that of one end of the circular truncated cone base body, which is close to the cylindrical base; the limiting block is hemispherical; the axis of the limiting block coincides with the axis of the inserted link.

7. The locking device of claim 1, wherein the locking mechanism comprises: the locking device comprises a second hand-pulling piece, a first elastic resetting piece, a second mounting seat connected with a mounting rod, a locking piece pivoted on the second mounting seat through a second pivot, and a lock tongue pivoted on the second mounting seat through a third pivot; the locking piece is provided with a clamping block, and the lock tongue is provided with an insertion hole for clamping the clamping block and a bayonet for clamping the lock catch;

the locking bolt is movable relative to the third pivot between a locked position and an unlocked position;

under the condition that the clamping block is clamped in the insertion opening, the locking piece and the lock tongue are relatively fixed so as to limit the locking piece at the locking position;

when the lock tongue is located at the unlocking position, the opening of the bayonet faces the lock catch; when the bolt is located at the locking position, the opening of the bayonet faces away from the lock catch;

the first elastic resetting piece is connected with the locking piece, and when the lock tongue is located at the locking position, the first elastic resetting piece is used for applying a first elastic force to the locking piece to enable the clamping block to be clamped in the insertion opening; the second hand-pulling piece is connected with the locking piece and is used for applying first pushing force to the locking piece to enable the clamping block to be separated from the insertion opening;

the second elastic resetting piece is connected with the lock tongue, and when the clamping block is separated from the insertion opening, the second elastic resetting piece is used for applying second elastic force to the lock tongue so as to enable the lock tongue to move from a locking position to an unlocking position;

the lock catch is used for applying a second pushing force to the lock bolt when the lock bolt is located at the unlocking position so as to enable the lock bolt to move from the unlocking position to the locking position.

8. The lock-out mechanism of claim 7, wherein the catch block and the second hand member are disposed on opposite sides of the second pivot axis.

9. The lock-out mechanism of any one of claims 1-8, further comprising: a cushion rubber pad; the upper end surface of the rear bumper is parallel to the lower end surface of the mounting rod; the buffer rubber pad is arranged on the lower end face of the mounting rod; when the mounting rod is located in the closed position, the buffer rubber pad is in contact with the upper end face of the rear bumper.

10. An automobile, comprising: a spare tire carrier and a locking device as claimed in any one of claims 1 to 9; the spare tire carrier is fixedly connected with the mounting rod.

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