CN217683983U - Concatenation lock and display screen - Google Patents

Abstract

A splicing lock and a display screen are provided, wherein the splicing lock (100) comprises a handle (4), a lock cylinder (3), a fixing component and a locking piece (7), the lock cylinder (3) is provided with a fixed end (31) and a lock head (32) opposite to the fixed end (31), and the fixed end (31) is fixedly connected with the handle (4); the fixing component is sleeved outside the lock cylinder (3), and the lock head (32) extends out of the fixing component; the fixing component is provided with a positioning part (21). The locking piece (7) is arranged on the handle (4), the locking piece (7) is provided with an operation section (72), and the operation section (72) is arranged in the length direction of the hand holding part (42); the lock (7) is configured to: when the locking piece (7) is matched with the positioning part (21), the handle (4) cannot rotate towards the unlocking direction relative to the fixing component; when the locking piece (7) is pushed to separate the locking piece (7) from the positioning part (21), the handle (4) can rotate towards the unlocking direction relative to the peripheral positioning assembly.

Description

Concatenation lock and display screen

Technical Field

The utility model relates to a display screen field, in particular to concatenation lock and display screen.

Background

In occasions such as concerts, a plurality of display screens are often spliced together in order to increase the display area. In order to quickly splice two adjacent display screens together, a splice lock is often required. The inventor finds that when the existing splicing lock is operated, one side of the existing splicing lock needs to press the locking piece by a thumb to enable the locking piece to rotate clockwise, so that the locking of the handle by the locking piece is released, and the handle can rotate; on one hand, the handle needs to be held by a hand and rotated anticlockwise (in an unlocking direction) forcibly, so that the handle drives the lock head to rotate, and the lock head is aligned with the lock hole in the display screen. The thumb points to clockwise press the locking piece, the handle is held by the hand to anticlockwise rotate the handle, the force application directions of the thumb and the hand are opposite, the operation habit of people is not met, and the spliced lock is very inconvenient to operate.

SUMMERY OF THE UTILITY MODEL

To the problem that exists, the utility model provides a concatenation lock and display screen when holding the handle and rotating the handle hard with the hand, the thumb can be natural promote in the portion of holding the ascending operation section of part length direction, makes locking piece unblock fixed subassembly with the handle accords with people's operation custom, and is more convenient at the process of operation concatenation lock.

The utility model adopts the technical scheme as follows:

a splice lock for splicing display units, comprising:

a handle having a hand grip;

the lock cylinder is provided with a fixed end and a lock head opposite to the fixed end, and the fixed end is fixedly connected with the handle;

the fixing component is used for being fixedly connected with the display unit; the fixing component is sleeved outside the lock cylinder; the fixing component is provided with a positioning part;

the locking piece is arranged on the handle; the locking piece is provided with an operation section which is arranged in the length direction of the hand holding part;

the latch is configured to: when the locking piece is matched with the positioning part, the handle cannot rotate towards the unlocking direction relative to the fixing assembly; when the locking piece is pushed to separate the locking piece from the positioning part, the handle can rotate towards the unlocking direction relative to the fixing assembly.

Further, the locking piece with the handle is articulated, promotes the operation section, the locking piece rotates to the unblock direction, so that the locking piece with location portion separation.

Further, the operation section protrudes from the handle, and the operation section is provided with a finger pushing arc surface which is a concave arc surface.

Furthermore, the handle also comprises a fixing part, the fixing part is connected with the holding part, the fixing part is sleeved outside the fixing component, and the fixing end is fixedly connected with the fixing part; the fixing part is provided with a window extending along the circumferential direction, and the locking piece is at least partially arranged in the window to be matched with the positioning part.

Further, the locking piece still includes the linkage segment, the linkage segment is located in the windowing, the linkage segment with the fixed part realizes articulatedly through the pivot.

Furthermore, the connection position of the connection section and the rotating shaft is far away from the operation section; and/or the outer contour of the connecting section is arc-shaped.

Further, the concatenation lock still includes the piece that resets to make the locking piece when not receiving thrust, the locking piece with location portion keeps the cooperation.

Further, the piece that resets is the torsional spring, the linkage segment is equipped with the breach, the torsional spring cover is located in the pivot, and arrange in the breach, the one end butt of torsional spring in the locking piece, the other end butt of the piece that resets in the handle.

Furthermore, the handheld part is connected with the fixed part and then is shaped like a Chinese character '20033'.

Furthermore, location portion is the locked groove, the locking piece orientation fixed subassembly one side be equipped with locked groove complex locking piece, just the locking piece is next to the operation section.

Further, the locking groove may be one, two or more.

Further, a positioning mechanism is arranged between the handle and the fixing component.

Furthermore, the positioning mechanism comprises a positioning block arranged on the inner wall of the handle and a positioning groove arranged on the circumference of the fixing component; when the handle is rotated, the positioning block slides to one end of the positioning groove, and the lock head is aligned with the lock hole; when the positioning block slides to the other end of the positioning groove, the locking groove is aligned with the locking block.

Further, the fixing assembly includes:

the fixing seat is used for being fixedly connected with the display unit;

the sliding sleeve is positioned in the fixed seat and is in sliding connection with the fixed seat; the sliding sleeve is sleeved outside the lock cylinder and is in threaded connection with the lock cylinder.

A display screen, comprising: display element and foretell concatenation lock, the concatenation lock warp fixed in the display element is fixed in to fixed subassembly.

To sum up, the beneficial effects of the utility model are that:

when the handle is held by a hand and is forcibly rotated, the thumb can naturally push the operation section in the length direction of the holding part, so that the fixing assembly and the handle are unlocked by the locking piece, the operation habit of people is met, and the process of operating the spliced lock is more convenient.

Drawings

FIG. 1 is a schematic view of a display screen;

FIG. 2 is an enlarged partial view B of the display screen;

FIG. 3 is a schematic view of a splice lock;

FIG. 4 is a cross-sectional schematic view of a splice lock;

FIG. 5 is a schematic vertical cross-sectional view of the splice lock;

fig. 6 is an exploded view of the splice lock.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention can be embodied in many different forms other than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention, and it is therefore not to be limited to the specific embodiments disclosed below.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1, 2, 3 and 4, a display screen includes a split lock 100 and a display unit 200, wherein the split lock 100 is fixed to the display unit 200. Specifically, the splicing lock 100 comprises a handle 4, a lock cylinder 3, a fixing component and a locking piece 7, wherein the fixing component is used for being fixedly connected with the display unit 200 so as to realize the fixed connection of the splicing lock 100 and the display unit 200. Lock core 3 is T shape, lock core 3 have stiff end 31 and with the tapered end 32 that stiff end 31 is relative, stiff end 31 with handle 4 fixed connection, fixed connection's mode can be threaded connection, joint or screw connection etc.. The fixing component is sleeved outside the lock cylinder 3, and the lock head 32 extends out of the fixing component; the fixing assembly is provided with a positioning portion 21. The lock member 7 is provided on the handle 4, and the lock member 7 has an operation section 72, and the operation section 72 is provided in the longitudinal direction of the hand grip portion 42 (may be provided on the hand grip portion 42, or may be provided on an extension line of the hand grip portion 42). The lock member 7 is configured to: when the locking member 7 is engaged with the positioning portion 21, the handle 4 cannot rotate in an unlocking direction a (counterclockwise direction) with respect to the fixing member; when the locking member 7 is pushed to separate the locking member 7 from the positioning portion 21, the handle 4 can rotate in the unlocking direction a relative to the fixing assembly. When the locking piece 7 and the positioning part 21 are matched, the handle 4 cannot rotate relative to the fixing component in the unlocking direction A (anticlockwise direction), so that the phenomenon that the handle 4 rotates mistakenly to cause the separation of the two spliced display units 200 is avoided. When the locking piece 7 is pushed to separate the locking piece 7 from the positioning part 21, the fixing assembly and the handle 4 are unlocked, and the handle 4 can rotate relative to the fixing assembly in the unlocking direction a, so that the locking head 32 is aligned with the locking hole 210 on the adjacent display unit 200, and the locking head 32 can be inserted into or pulled out of the locking hole 210. When the handle 4 is held by a hand and the handle 4 is rotated by force, the thumb can naturally push the operation section 72 in the length direction of the holding part 42, so that the locking part 7 is unlocked, the fixing component and the handle 4 accord with the operation habit of people, and the process of operating the splicing lock 100 is more convenient.

Referring to fig. 3, 4 and 6, in a preferred embodiment, the locking member 7 is hinged to the handle 4, the operating section 72 is pushed, and the locking member 7 rotates in the unlocking direction a to separate the locking member 7 from the positioning portion 21. In order to facilitate the thumb to push the operating section 72, the operating section 72 protrudes from the handle 4, and the operating section 72 has a finger-pushing arc surface 721, and the finger-pushing arc surface 721 is a concave arc surface. The finger pushing arc surface 721 is a concave arc surface, and when the thumb pushes the finger pushing arc surface 721, the force applied to the finger pushing arc surface 721 is oblique (the pressure is perpendicular to the force-applied surface), so that the locking member 7 can rotate more easily, the handle 4 can be unlocked, and the locking member 7 can be pushed to rotate more easily.

Referring to fig. 3, 4 and 6, in a preferred embodiment, the handle 4 further comprises a fixing portion 41, and the fixing portion 41 is connected to the hand grip portion 42. The fixing portion 41 is cylindrical and barrel-shaped, and the bottom of the fixing portion 41 is fixedly connected with the fixing end 31 through a screw 10. The fixing portion 41 is sleeved outside the fixing component, the fixing portion 41 is provided with a window 411 extending along the circumferential direction, and the locking member 7 is at least partially arranged in the window 411 to be matched with the positioning portion 21. The locking member 7 further comprises a connecting section 71, and the connecting section 71 is disposed in the window 411. In order to make the splice lock 100 beautiful, the connecting section 71 is matched with the open window 411, that is, the outer contour of the connecting section 71 is an arc shape matched with the fixing portion 41. The linkage segment 71 be in the window 411 with fixed part 41 is articulated, and is specific, concatenation lock 100 still includes pivot 9, fixed part 41 is equipped with mounting hole 11, the one end of pivot 9 passes in proper order mounting hole 11 with linkage segment 71, then the both ends of pivot 9 with fixed part 41 connects. At least one end of the rotating shaft 9 may be screw-coupled to the fixing portion 41. The connection section 71 is connected to the rotary shaft 9 at a position away from the operation section 72, and the operation section 72 is located away from the rotary shaft 9 according to the lever principle, so that the lock member 7 can be rotated with a smaller force. In order not to promote during the locking piece 7, locking piece 7 can automatic re-setting, concatenation lock 100 is still including piece 8 that resets, and is concrete, piece 8 that resets is the torsional spring, linkage segment 71 is equipped with breach 73, the torsional spring cover is located in pivot 9, and arrange in breach 73, the one end butt of torsional spring in locking piece 7, the other end butt of piece 8 that resets in handle 4.

Referring to fig. 1 and 3, the handle 4 is now generally shaped like a letter "7", and after the split lock 100 is fixedly connected to the display unit 200, the space between the grip portion 42 and the frame 220 of the display unit 200 is relatively small, so that it is inconvenient for the user to hold the grip portion 42 to operate the split lock 100. In the present application, the holding portion 42 is connected to the fixing portion 41 to form a letter \20033 ", that is, an obtuse angle is formed between the holding portion 42 and the fixing portion 41, so that a space between the holding portion 42 and the frame 220 can be enlarged to facilitate the holding portion 42 to operate the splicing lock 100 by a hand. The operation section 72 is disposed on the fixing portion 41, and is not disposed on the holding portion 42, the holding portion 42 can be designed to be shorter, other components are further disposed on the back plate of the display unit 200, and the shorter holding portion 42 can better avoid interference with other components in the operation process. The operating section 72 is on the extension line of the hand holding portion 42, so that when the hand holding portion 42 is held by a hand, the straight thumb can naturally rest on the operating section 72.

Referring to fig. 6, the fixing portion 41 is provided with a mounting groove 412, the mounting groove 412 is a blind groove, the mounting groove 412 is communicated with the window 411, and the operation section 72 is disposed in the mounting groove 412. The operation section 72 includes a connection surface 722, the connection surface 722 is attached to the fixing portion 41, and the operation section 72 is disposed in the mounting groove 412, so that it can be avoided that a gap between the connection surface 722 and the fixing portion 41 is exposed, which affects the appearance of the splicing lock 100.

Referring to fig. 5 and 6, the fixing assembly includes a fixing seat 1 and a sliding sleeve 2, a mounting table 101 is disposed on the periphery of the fixing seat 1, and the mounting table 101 is used for being fixedly connected to the display unit 200, such as being connected by screws, so as to fixedly mount the splice lock 100 to the display unit 200. The mounting surface of the mounting table 101 connected with the display unit 200 is provided with a positioning protrusion 103 so as to position the relative position of the fixing base 1 and the display unit 200 when the fixing base 1 is mounted. Fixing base 1 cover is located outside sliding sleeve 2, and with 2 sliding connection of sliding sleeve, it is specific, sliding sleeve 2 is equipped with spacing spout 22 on the axial, fixing base 1 is equipped with guide block 6, guide block 6 can slide in spacing spout 22, in order to realize fixing base 1 and sliding sleeve 2's sliding connection. In some preferred embodiments, the fixing base 1 is provided with a threaded hole 102, and the guide block 6 may be a limit pin shaft in threaded connection with the threaded hole 102. One end of the fixed seat 1, which is far away from the mounting surface, is inserted into the fixing part 41. The sliding sleeve 2 is sleeved outside the lock cylinder 3 and is in threaded connection with the lock cylinder 3. When the split lock 100 is installed on the display unit 200 and is not connected to the adjacent display unit 200, the lock head 32 does not extend beyond the display unit 200 under normal conditions, and when the split lock 100 needs to be connected to the adjacent display unit 200, the handle 4 is pushed towards the adjacent display unit, because the handle 4 is fixedly connected to the lock cylinder 3, the lock cylinder 3 is in threaded connection with the sliding sleeve 2, and the sliding sleeve 2 is in sliding connection with the fixed base 1, the lock cylinder 3 can move towards the adjacent display unit relative to the fixed base 1, so that the lock head 32 extends out of the display unit 200 and is inserted into the lock hole 210 of the adjacent display unit.

Referring to fig. 5 and 6, in order to prevent the handle 4 from being pushed in the direction of the adjacent display unit, the sliding sleeve 2 can be reset, and when the two display units 200 are spliced, the lock head 32 can be pulled close to the adjacent display unit 200, an elastic member 5 is disposed between the sliding sleeve 2 and the fixing base 1, the elastic member 5 is sleeved on the sliding sleeve 2, one end of the elastic member 5 abuts against the sliding sleeve 2, and the other end of the elastic member 5 abuts against the fixing base 1. In some embodiments, the elastic member 5 is a spring. When the handle 4 is rotated to drive the lock cylinder 3 to rotate, because the fixed seat 1 is fixedly connected with the display unit 200, the sliding sleeve 2 is slidably connected with the fixed seat 1, the sliding sleeve 2 cannot rotate along with the lock cylinder 3, and the sliding sleeve 2 and the lock cylinder 3 slide relatively. When the handle 4 is rotated in the unlocking direction a, the lock cylinder 3 rotates along with the handle 4, and the lock cylinder 3 slides in a direction away from the handle 4. When rotating handle 4 to the opposite direction with unblock direction A, lock core 3 follows handle 4 rotates together, lock core 3 to handle 4's direction slides, when the concatenation, to draw close adjacent display element 200, avoids two adjacent display screens after the concatenation to rock.

Referring to fig. 4, in some embodiments, the positioning portion 21 is a lock groove provided on the outer periphery of the sliding sleeve 2, and a side of the connecting section 71 facing the sliding sleeve 2 is provided with a lock block 711 matching with the lock groove. The locking piece 711 is adjacent to the operating section 72, so that when the locking member 7 rotates by a small angle, the locking piece 711 can be separated from the locking groove. In some embodiments, the locking groove may be one, two or more.

Referring to fig. 4, in the process of rotating the handle 4, in order to know the position to which the handle 4 is rotated, the locking head 32 is aligned with the locking hole 210, the position to which the handle 4 is rotated is aligned with the locking groove 711, and a positioning mechanism is provided between the handle 4 and the sliding sleeve 2. In some embodiments, the positioning mechanism comprises a positioning block 12 disposed on the inner wall of the handle 4 and a positioning groove 13 disposed on the circumference of the fixing assembly. When the positioning block 12 slides to one end of the positioning groove 13 in the process of rotating the handle 4, the lock head 32 is aligned with the lock hole 210; when the positioning block 12 slides to the other end of the positioning groove 13, the locking groove is aligned with the locking block 711.

The working principle of the splice lock 100 is as follows:

when two adjacent display units 200 are tiled: when the fixing base 1 is fixed on the display unit 200 (at this time, the grip portion 42 is substantially downward, and the lock head 32 is misaligned with the lock hole 210), the handle 4 is held by the hand, the thumb pushes the locking member 7, so that the lock groove is separated from the lock block 711, and the handle 4 can rotate relative to the sliding sleeve 2. When the handle 4 is rotated, the handle 4 drives the lock cylinder 3 to rotate together, and the positioning block 12 slides to the end of the positioning slot 13, the lock head 32 is aligned with the lock hole 210 of the adjacent display unit. The handle 4 is pushed towards the direction of the adjacent display unit 200, because the handle 4 is fixedly connected with the lock cylinder 3, the lock cylinder 3 is in threaded connection with the sliding sleeve 2, and the sliding sleeve 2 is in sliding connection with the fixed seat 1, the lock cylinder 3 can move towards the direction of the adjacent display unit relative to the fixed seat 1, so that the lock head 32 extends out of the display unit 200 and is inserted into the lock hole 210 of the adjacent display unit. Then, the handle 4 is rotated in a direction (clockwise direction) opposite to the unlocking direction a (counterclockwise direction), the handle 4 drives the lock head 32 to rotate and stagger with the lock hole 210, so that the lock head 32 cannot be pulled out of the lock hole 210, and therefore splicing of two adjacent display units is achieved. When the positioning block 12 slides to the end of the positioning groove 13, the locking block 711 is re-fitted with the locking groove.

When two adjacent display units are separated: the handle 4 is held by hand, the thumb pushes the locking member 7 to separate the locking groove from the locking block 711, and the handle 4 can rotate relative to the sliding sleeve 2. And rotating the handle 4, wherein the handle 4 drives the lock cylinder 3 to rotate together, the lock head 32 is aligned with the lock hole 210 of the adjacent display unit, and the lock head 32 is pulled out of the lock hole 210.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principles of the present invention should be included within the scope of the present invention.

Claims (15)

1. A splice lock for splicing display units, comprising:

a handle having a hand grip;

the lock cylinder is provided with a fixed end and a lock head opposite to the fixed end, and the fixed end is fixedly connected with the handle;

the fixing component is used for being fixedly connected with the display unit; the fixing component is sleeved outside the lock cylinder; the fixing component is provided with a positioning part;

the locking piece is arranged on the handle; the locking piece is provided with an operation section which is arranged in the length direction of the hand holding part;

the latch is configured to: when the locking piece is matched with the positioning part, the handle cannot rotate towards the unlocking direction relative to the fixing assembly; when the locking piece is pushed to separate the locking piece from the positioning part, the handle can rotate towards the unlocking direction relative to the fixing assembly.

2. The splice lock of claim 1 wherein the locking member is hingedly connected to the handle to urge the operative portion, the locking member being rotatable in an unlocking direction to disengage the locking member from the locating portion.

3. The splice lock of claim 2 wherein the operative section projects from the handle and has a finger-push arc, the finger-push arc being a concave arc.

4. The splice lock of claim 2, wherein the handle further comprises a fixing portion connected to the holding portion, the fixing portion is disposed outside the fixing member, and the fixing end is fixedly connected to the fixing portion; the fixing part is provided with a window extending along the circumferential direction, and the locking piece is at least partially arranged in the window to be matched with the positioning part.

5. The splice lock of claim 4 wherein the locking member further comprises a connecting section, the connecting section is disposed in the fenestration, and the connecting section is hinged to the securing portion via a pivot.

6. The splice lock of claim 5 wherein the connection of the connecting section to the spindle is remote from the operative section; and/or the outer contour of the connecting section is arc-shaped.

7. The splice lock of claim 5 further comprising a reset member such that the locking member remains engaged with the detent when the locking member is not subjected to a pushing force.

8. The splicing lock of claim 7, wherein the reset member is a torsion spring, the connecting section is provided with a notch, the torsion spring is sleeved on the rotating shaft and is arranged in the notch, one end of the torsion spring abuts against the locking member, and the other end of the reset member abuts against the handle.

9. The splice lock of claim 4 wherein the handle portion is shaped like a letter \20033 "\" when connected to the fixed portion, the operation section is disposed on the fixed portion, and the operation section is on an extension line of the handle portion.

10. The splicing lock of claim 1, wherein the positioning portion is a lock groove, a side of the locking member facing the fixing assembly is provided with a lock block matched with the lock groove, and the lock block is adjacent to the operating section.

11. Splice lock according to claim 10, characterized in that the locking groove can be one, two or more.

12. The splice lock of claim 1 wherein a positioning mechanism is disposed between the handle and the securing assembly.

13. The splice lock of claim 12 wherein the positioning mechanism includes a positioning block disposed on an inner wall of the handle and a positioning slot disposed on a circumference of the securing assembly; when the handle is rotated to enable the positioning block to slide to one end of the positioning groove, the lock head is aligned with the lock hole of the display unit; when the locating piece slides to the other end of the locating slot, the locking piece is matched with the locating portion.

14. The splice lock of claim 1 wherein the securing assembly comprises:

the fixing seat is used for being fixedly connected with the display unit;

the sliding sleeve is positioned in the fixed seat and is in sliding connection with the fixed seat; the sliding sleeve is sleeved outside the lock cylinder and is in threaded connection with the lock cylinder.

15. A display screen, comprising: a display unit and the splice lock of any of claims 1-14, wherein the splice lock is secured to the display unit via the securing assembly.

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