CN111278251B

CN111278251B - Locking mechanism, vehicle-mounted display and delivery vehicle

Info

Publication number: CN111278251B
Application number: CN202010097718.2A
Authority: CN
Inventors: 孟超超; 贺星; 孙浩文; 胡磊
Original assignee: Beijing Xiaoma Huixing Technology Co ltd
Current assignee: BEIJING XIAOMA HUIXING TECHNOLOGY Co.,Ltd.
Priority date: 2020-02-17
Filing date: 2020-02-17
Publication date: 2021-05-14
Anticipated expiration: 2040-02-17
Also published as: CN111278251A

Abstract

The invention provides a locking mechanism, a vehicle-mounted display and a carrier, wherein the locking mechanism comprises: the first movable piece is movably arranged along a first preset direction; the first guide device is matched with the first movable piece so as to guide the movement of the first movable piece along a first preset direction; the transmission piece is rotatably arranged around a first preset axis; one end of the first connecting piece is hinged with the first movable piece, and the other end of the first connecting piece is hinged with the first end of the transmission piece; the tapered end, tapered end and the second end transmission of driving medium are connected to drive the tapered end and switch between latched position and unblock position when the driving medium rotates. The locking mechanism solves the problem that the locking mechanism in the prior art is difficult to use in a narrow space.

Description

Locking mechanism, vehicle-mounted display and delivery vehicle

Technical Field

The invention relates to the field of locking pieces, in particular to a locking mechanism, a vehicle-mounted display and a vehicle.

Background

In various product design processes, a locking mechanism is often required to lock two relatively movable parts.

Existing locking mechanisms are installed in a locked position where it is often necessary to operate the locking mechanism for locking or unlocking. In the actual design process of products, the locking mechanism is usually required to be installed in a narrow area due to the locking requirement, and in this case, the existing locking mechanism is difficult to install and operate.

Therefore, the conventional lock mechanism is difficult to use in a narrow space.

Disclosure of Invention

The invention mainly aims to provide a locking mechanism, a vehicle-mounted display and a vehicle, and aims to solve the problem that the locking mechanism in the prior art is difficult to use in a narrow space.

In order to achieve the above object, according to a first aspect of the present invention, there is provided a lock mechanism comprising: the first movable piece is movably arranged along a first preset direction; the first guide device is matched with the first movable piece so as to guide the movement of the first movable piece along a first preset direction; the transmission piece is rotatably arranged around a first preset axis; one end of the first connecting piece is hinged with the first movable piece, and the other end of the first connecting piece is hinged with the first end of the transmission piece; the tapered end, tapered end and the second end transmission of driving medium are connected to drive the tapered end and switch between latched position and unblock position when the driving medium rotates.

Further, the first end of the transmission member and the second end of the transmission member are opposite ends of the transmission member, and the first predetermined axis is located between the first end of the transmission member and the second end of the transmission member.

Furthermore, the first movable piece is of a columnar structure, and the columnar structure extends along a first preset direction; be equipped with the guiding hole on the first guider, the guiding hole extends the setting along first direction of predetermineeing, and columnar structure wears to establish in the guiding hole along first direction slidable of predetermineeing.

Further, the locking mechanism comprises a driving part, and the driving part is connected with the first movable part to drive the first movable part to move along a first preset direction.

Further, the driving part includes: the handle is rotatably arranged around a second preset axis and is provided with a driving end which is arranged at a distance from the second preset axis; and the first end of the second connecting piece is hinged with the first movable piece, and the second end of the second connecting piece is hinged with the driving end of the handle.

Furthermore, the first end of the first connecting piece is hinged with the first end of the first movable piece; the second connecting piece is hinged with the second end of the first movable piece; the first guide device is located between the first end of the first movable member and the second end of the first movable member.

Further, the driving part comprises a handle mounting seat, and the handle mounting seat is hinged with the handle; the handle is provided with a convex part, the driving end is one end of the main body part of the handle far away from the convex part, the handle mounting seat is provided with a through hole, and the driving end penetrates through the through hole.

Further, the projection of the first movable piece in the first plane and the projection of the transmission piece in the first plane are arranged at intervals; the first connecting piece is provided with a bending part; the first plane is a plane parallel to the first predetermined axis.

Furthermore, the first connecting piece comprises a first plate body, a second plate body and a third plate body which are sequentially connected, the first plate body is connected with the first end of the second plate body, the first plate body extends towards the first side of the second plate body, and one end, away from the second plate body, of the first plate body is hinged with the first end of the transmission piece; the third plate body is connected with the second end of the second plate body, the third plate body extends towards the second side of the second plate body, and one end, far away from the second plate body, of the third plate body is hinged with the first movable piece; the first end of the second plate body and the second end of the second plate body are two opposite ends of the second plate body; the first side of the second plate body and the second side of the second plate body are opposite sides of the second plate body.

Furthermore, the tapered end is movably arranged along a second preset direction, the locking mechanism comprises a third connecting piece, one end of the third connecting piece is hinged to the second end of the transmission piece, and the other end of the third connecting piece is hinged to the tapered end.

Further, the second predetermined direction is parallel to the first predetermined direction.

Further, the locking mechanism comprises a sliding seat, the sliding seat is provided with a sliding groove which extends along the second preset direction, and at least part of the lock head is slidably arranged in the sliding groove.

Further, the locking mechanism includes a resilient member that contacts the lock head to apply a force to the lock head toward the locking position.

Further, the elastic component is the spring, and the spring setting is in the spout, the first end of spring and the internal face butt of spout, the second end and the tapered end butt of spring.

Furthermore, a first positioning part matched with the first end of the spring is arranged on the inner wall surface of the sliding chute; and/or a second positioning part matched with the second end of the spring is arranged on the lock head.

Further, the locking mechanism includes a fitting member having a fitting portion for fitting with the lock cylinder; when the lock head is in a locking position, the lock head is in clamping fit with the matching part; when the lock head is in the unlocking position, the lock head is separated from the matching part.

According to a second aspect of the present invention, there is provided an in-vehicle display for mounting at a cabinet mouth of a locker inside a cab of a vehicle; the vehicle-mounted display comprises a locking mechanism for locking the main body part of the vehicle-mounted display and the storage cabinet; wherein, the locking mechanism is the locking mechanism.

According to a third aspect of the present invention, there is provided a vehicle, a cab of the vehicle is provided with a locker and an on-board display installed at a mouth of the locker; wherein, the vehicle-mounted display is the vehicle-mounted display.

The locking mechanism applying the technical scheme of the invention comprises: the first movable piece is movably arranged along a first preset direction; the first guide device is matched with the first movable piece so as to guide the movement of the first movable piece along a first preset direction; the transmission piece is rotatably arranged around a first preset axis; one end of the first connecting piece is hinged with the first movable piece, and the other end of the first connecting piece is hinged with the first end of the transmission piece; the tapered end, tapered end and the second end transmission of driving medium are connected to drive the tapered end and switch between latched position and unblock position when the driving medium rotates. Therefore, the first moving part moves along a straight line, the first connecting piece hinged with the first moving part and the transmission piece drives the transmission piece to rotate, and then the transmission piece drives the lock head to move, so that locking and unlocking are realized. The locking mechanism of this kind of transmission design can realize the long distance power transmission in the narrow space through the transmission of driving medium to through the rotary motion of first connecting piece with the linear motion conversion of first moving part for the driving medium, made things convenient for the control to the driving medium, thereby can conveniently control the motion of tapered end in the position department far away from the tapered end, solved the problem that locking mechanism among the prior art is difficult to use in the narrow space.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 shows a schematic structural diagram of a first perspective of an embodiment of a locking mechanism according to the present invention;

FIG. 2 shows an enlarged schematic view of a partial region according to the embodiment of the locking mechanism in FIG. 1;

FIG. 3 shows a schematic structural diagram of a second perspective of an embodiment of a locking mechanism according to the present invention;

FIG. 4 is a schematic cross-sectional view showing a partial structure of an embodiment of a lock mechanism according to the present invention; and

fig. 5 shows a schematic structural view of a partial region of an embodiment of the locking mechanism according to the invention.

Wherein the figures include the following reference numerals:

1. a first movable member; 2. a first guide means; 3. a transmission member; 4. a first connecting member; 41. a first plate body; 42. a second plate body; 43. a third plate body; 44. ribs; 5. a lock head; 51. a connecting portion; 6. a drive member; 61. a handle; 611. a boss portion; 62. a second connecting member; 63. a handle mount; 631. a through port; 7. a third connecting member; 8. a slide base; 81. a chute; 9. an elastic member; 10. a mating member; 101. a mating portion.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1 to 5, the present invention provides a locking mechanism, including: the first movable piece 1 is movably arranged along a first preset direction; the first guide device 2 is matched with the first movable piece 1 so as to guide the movement of the first movable piece 1 along a first preset direction; a transmission member 3, the transmission member 3 being rotatably disposed about a first predetermined axis; one end of the first connecting piece 4 is hinged with the first movable piece 1, and the other end of the first connecting piece 4 is hinged with the first end of the transmission piece 3; the tapered end 5, tapered end 5 are connected with the second end transmission of driving medium 3 to drive tapered end 5 when driving medium 3 rotates and switch between latched position and unblock position. Like this, first moving part 1 is along sharp activity, drives the transmission piece 3 through the first connecting piece 4 with first moving part 1 and the equal articulated of transmission piece 3 and rotates, then drives the tapered end 5 motion by transmission piece 3, realizes locking and unblock.

The lock mechanism of the present invention includes: the first movable piece 1 is movably arranged along a first preset direction; the first guide device 2 is matched with the first movable piece 1 so as to guide the movement of the first movable piece 1 along a first preset direction; a transmission member 3, the transmission member 3 being rotatably disposed about a first predetermined axis; one end of the first connecting piece 4 is hinged with the first movable piece 1, and the other end of the first connecting piece 4 is hinged with the first end of the transmission piece 3; the tapered end 5, tapered end 5 are connected with the second end transmission of driving medium 3 to drive tapered end 5 when driving medium 3 rotates and switch between latched position and unblock position. Like this, first moving part 1 is along sharp activity, drives the transmission piece 3 through the first connecting piece 4 with first moving part 1 and the equal articulated of transmission piece 3 and rotates, then drives the tapered end 5 motion by transmission piece 3, realizes locking and unblock. The locking mechanical system of this kind of transmission design can realize the long distance power transmission in the narrow space through the transmission of driving medium 3 to through the rotary motion of first connecting piece 4 with the linear motion conversion of first moving part 1 for driving medium 3, made things convenient for the control to driving medium 3, thereby can conveniently control the motion of tapered end 5 in the position department far away from tapered end 5, solved the problem that locking mechanical system among the prior art is difficult to use in the narrow space.

In order to ensure the balance of the forces applied to the transmission member 3, the first end of the transmission member 3 and the second end of the transmission member 3 are opposite ends of the transmission member 3, and the first predetermined axis is located between the first end of the transmission member 3 and the second end of the transmission member 3.

Specifically, the first movable member 1 is a columnar structure, and the columnar structure extends along a first preset direction; be equipped with the guiding hole on the first guider 2, the guiding hole extends the setting along first predetermined direction, and columnar structure wears to establish in the guiding hole along first predetermined direction slidable. Like this, the guiding hole can play the guide effect to first moving part 1, guarantees the stationarity of first moving part 1 motion, avoids first moving part 1 to take place the skew, guarantees the reliability of locking mechanical system work.

In order to smoothly drive the first movable member 1 to move, the locking mechanism includes a driving member 6, and the driving member 6 is connected to the first movable member 1 to drive the first movable member 1 to move along a first predetermined direction.

Specifically, the drive member 6 includes: a handle 61, the handle 61 being rotatably arranged about a second predetermined axis, the handle 61 having a drive end, the drive end being spaced from the second predetermined axis; and a second connecting piece 62, wherein a first end of the second connecting piece 62 is hinged with the first movable piece 1, and a second end of the second connecting piece 62 is hinged with the driving end of the handle 61.

Specifically, a first end of the first connecting piece 4 is hinged with a first end of the first movable piece 1; the second connecting piece 62 is hinged with the second end of the first movable piece 1; the first guide means 2 is located between the first end of the first moveable member 1 and the second end of the first moveable member 1.

In the present embodiment, the driving part 6 includes a handle mount 63, and the handle mount 63 is hinged with the handle 61; the handle 61 is provided with a protruding part 611, the driving end is the end of the protruding part 611 far away from the main body part of the handle 61, the handle mounting seat 63 is provided with a through hole 631, and the driving end is arranged through the through hole 631. In this way, the handle mounting seat 63 is arranged near the convex part 611, so that the space reserved for the requirement of transmission connection is fully utilized, and the waste of the space is reduced; on the basis of conveniently installing the handle 61, the space is more reasonably utilized, the occupation of the driving part 6 to the space is reduced, and the arrangement and the use in a narrow space are facilitated.

In order to reduce the length of the locking mechanism and more fully utilize the installation space, the projection of the first movable member 1 in the first plane and the projection of the transmission member 3 in the first plane are arranged at intervals; the first connecting piece 4 is provided with a bending part; the first plane is a plane parallel to the first predetermined axis.

Specifically, the first connecting piece 4 includes a first plate body 41, a second plate body 42 and a third plate body 43 which are connected in sequence, the first plate body 41 is connected with a first end of the second plate body 42, the first plate body 41 extends towards a first side of the second plate body 42, and one end of the first plate body 41, which is far away from the second plate body 42, is hinged to a first end of the transmission piece 3; the third plate body 43 is connected with the second end of the second plate body 42, the third plate body 43 extends towards the second side of the second plate body 42, and one end, far away from the second plate body 42, of the third plate body 43 is hinged to the first movable member 1; wherein, the first end of the second plate 42 and the second end of the second plate 42 are two opposite ends of the second plate 42; the first side of the second plate 42 and the second side of the second plate 42 are opposite sides of the second plate 42.

Preferably, ribs are provided between the first plate body 41 and the second plate body 42 and/or between the second plate body 42 and the third plate body 43 to ensure the structural rigidity of the entire first connecting member 4.

In this embodiment, the tapered end 5 is movably arranged along the second preset direction, the locking mechanism comprises a third connecting piece 7, one end of the third connecting piece 7 is hinged to the second end of the transmission piece 3, and the other end of the third connecting piece 7 is hinged to the tapered end 5. Of course, the locking head 5 can also be fixed directly on the transmission element 3, so that the locking head 5 is driven to move when the transmission element 3 rotates.

Specifically, the second preset direction is parallel to the first preset direction.

In order to improve the smoothness of the movement of the locking head 5, the locking mechanism comprises a slide 8, the slide 8 having a sliding groove 81 extending in a second predetermined direction, at least a part of the locking head 5 being slidably mounted in the sliding groove.

A strip-shaped opening is formed in the sliding seat 8, communicated to the sliding groove 81 and extended along a second preset direction; the lock head 5 is provided with a connecting part 51, the connecting part 51 is arranged to protrude out of the main body part of the lock head 5, the connecting part 51 extends out of the sliding groove 81 through the strip-shaped opening, and the connecting part 51 is arranged slidably along the extending direction of the strip-shaped opening; the third connecting member 7 is hinged to the connecting portion 51.

In order to ensure the locking effect of the locking mechanism and avoid the problem of mistaken unlocking caused by vibration, shaking and the like, the locking mechanism comprises an elastic part 9, and the elastic part 9 is in contact with the lock head 5 so as to apply force towards the locking position to the lock head 5.

Specifically, the elastic member 9 is a spring, the spring is disposed in the sliding groove 81, a first end of the spring abuts against an inner wall surface of the sliding groove 81, and a second end of the spring abuts against the lock head 5.

In the present embodiment, in order to improve the positioning effect on the spring, a first positioning portion engaged with the first end of the spring is disposed on the inner wall surface of the sliding groove 81; and/or, the lock head 5 is provided with a second positioning part matched with the second end of the spring. First location portion and second location portion all can be recess or arch to establish in the recess or establish on protruding through the corresponding tip card that makes the spring, fix a position the corresponding tip of spring, avoid the spring to take place to rotate or the displacement.

In this embodiment, the first positioning portion is a protrusion, and the first end of the spring is sleeved on the protrusion; the second positioning part is a groove, and the second end of the spring is inserted in the groove.

When concrete implementation, in order to alleviate the weight of driving medium 3, and can guarantee the structural strength of driving medium 3, be equipped with the groove structure that extends along the length direction of driving medium 3 on at least one side of driving medium 3, be equipped with a plurality of strengthening ribs in the groove structure, each strengthening rib all is connected with two inside walls of groove structure, and the extending direction interval of driving medium 3 is followed to a plurality of strengthening ribs sets up.

Specifically, the lock mechanism includes a fitting member 10, the fitting member 10 having a fitting portion 101 for fitting with the lock cylinder 5; when the lock head 5 is in the locking position, the lock head 5 is in clamping fit with the matching part 101; when the lock head 5 is in the unlock position, the lock head is separated from the fitting portion 101.

The fitting portion 101 may be a groove portion; in this embodiment, the fitting part 101 is a bent piece, and the bent piece is connected with the main body part of the fitting part 10; when the locking head 5 is in the locking position, at least part of the bending section of the bending piece is abutted against the locking head 5.

Secondly, the invention provides a vehicle-mounted display, wherein the vehicle-mounted display is arranged at a cabinet opening of a storage cabinet in a cab of a carrier; the vehicle-mounted display comprises a locking mechanism for locking the main body part of the vehicle-mounted display and the storage cabinet; wherein, the locking mechanism is the locking mechanism.

Thirdly, the invention also provides a carrier, wherein a cab of the carrier is internally provided with a storage cabinet and a vehicle-mounted display arranged at a cabinet opening of the storage cabinet; wherein, the vehicle-mounted display is the vehicle-mounted display.

From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A locking mechanism, comprising:

the first movable piece (1), the first movable piece (1) is movably arranged along a first preset direction;

the first guide device (2) is matched with the first movable piece (1) so as to guide the movement of the first movable piece (1) along the first preset direction;

a transmission member (3), said transmission member (3) being rotatably arranged about a first predetermined axis;

one end of the first connecting piece (4) is hinged with the first movable piece (1), and the other end of the first connecting piece (4) is hinged with the first end of the transmission piece (3);

the lock head (5) is in transmission connection with the second end of the transmission piece (3) so as to drive the lock head (5) to be switched between a locking position and an unlocking position when the transmission piece (3) rotates;

the locking mechanism comprises a driving part (6), and the driving part (6) is connected with the first movable part (1) to drive the first movable part (1) to move along the first preset direction.

2. The locking mechanism according to claim 1, wherein the first end of the transmission member (3) and the second end of the transmission member (3) are opposite ends of the transmission member (3), the first predetermined axis being located between the first end of the transmission member (3) and the second end of the transmission member (3).

3. The locking mechanism according to claim 1, characterized in that said first mobile element (1) is a cylindrical structure, said cylindrical structure being arranged extending along said first predetermined direction; the first guide device (2) is provided with a guide hole, the guide hole extends along the first preset direction, and the columnar structure is slidably arranged in the guide hole along the first preset direction in a penetrating manner.

4. The locking mechanism according to claim 1, characterized in that the drive member (6) comprises:

a handle (61), said handle (61) being rotatably disposed about a second predetermined axis, said handle (61) having a drive end, said drive end being spaced from said second predetermined axis;

a first end of the second connecting piece (62) is hinged with the first movable piece (1), and a second end of the second connecting piece (62) is hinged with the driving end of the handle (61).

5. The locking mechanism according to claim 4, characterized in that the first end of the first connecting member (4) is hinged to the first end of the first mobile member (1); the second connecting piece (62) is hinged with the second end of the first movable piece (1); the first guide means (2) is located between a first end of the first movable member (1) and a second end of the first movable member (1).

6. The locking mechanism according to claim 4, characterized in that the drive member (6) comprises a handle mount (63), the handle mount (63) being hinged with the handle (61); the handle (61) is provided with a protruding part (611), the driving end is one end, away from the main body part of the handle (61), of the protruding part (611), the handle mounting seat (63) is provided with a through hole (631), and the driving end penetrates through the through hole (631).

7. Locking mechanism according to claim 1, characterized in that the projection of the first movable element (1) in a first plane and the projection of the transmission element (3) in the first plane are spaced apart; a bending part is arranged on the first connecting piece (4); the first plane is a plane parallel to the first predetermined axis.

8. The locking mechanism according to claim 7, wherein the first connecting member (4) comprises a first plate body (41), a second plate body (42) and a third plate body (43) which are connected in sequence, the first plate body (41) is connected with a first end of the second plate body (42), the first plate body (41) extends towards a first side of the second plate body (42), and one end of the first plate body (41) far away from the second plate body (42) is hinged with a first end of the transmission member (3); the third plate body (43) is connected with the second end of the second plate body (42), the third plate body (43) extends towards the second side of the second plate body (42), and one end, far away from the second plate body (42), of the third plate body (43) is hinged to the first movable piece (1); wherein the first end of the second plate body (42) and the second end of the second plate body (42) are opposite ends of the second plate body (42); the first side of the second plate body (42) and the second side of the second plate body (42) are opposite sides of the second plate body (42).

9. Locking mechanism according to claim 1, characterized in that the locking head (5) is movably arranged in a second predetermined direction, the locking mechanism comprising a third connecting member (7), one end of the third connecting member (7) being hinged to the second end of the transmission member (3), the other end of the third connecting member (7) being hinged to the locking head (5).

10. The locking mechanism of claim 9, wherein the second predetermined direction is parallel to the first predetermined direction.

11. The locking mechanism according to claim 9, characterized in that it comprises a slide (8), said slide (8) having a slide groove (81) arranged extending in said second preset direction, inside which at least part of said locking head (5) is slidably mounted.

12. The locking mechanism according to claim 11, characterized in that it comprises a resilient member (9), said resilient member (9) being in contact with the locking head (5) to exert a force on the locking head (5) towards the locking position.

13. The locking mechanism according to claim 12, characterized in that the elastic member (9) is a spring, which is arranged in the slide groove (81), a first end of which abuts against an inner wall surface of the slide groove (81), and a second end of which abuts against the lock cylinder (5).

14. The locking mechanism according to claim 13, wherein the inner wall surface of the slide groove (81) is provided with a first positioning portion engaged with the first end of the spring; and/or a second positioning part matched with the second end of the spring is arranged on the lock head (5).

15. The locking mechanism according to any one of claims 1 to 14, characterized in that it comprises a fitting element (10), said fitting element (10) having a fitting portion (101) for fitting with the lock cylinder (5); when the lock head (5) is in the locking position, the lock head (5) is in clamping fit with the matching part (101); when the lock head (5) is in the unlocking position, the lock head is separated from the matching part (101).

16. An on-board display for mounting at a mouth of a locker inside a cab of a vehicle; the vehicle-mounted display comprises a locking mechanism for locking between a main body part of the vehicle-mounted display and the storage cabinet; wherein the locking mechanism is as claimed in any one of claims 1 to 15.

17. A vehicle is characterized in that a locker and an on-board display mounted at a locker opening are arranged in a cab of the vehicle; wherein the in-vehicle display is the in-vehicle display of claim 16.