CN215488559U

CN215488559U - Fixing lock and ground beam support

Info

Publication number: CN215488559U
Application number: CN202121446696.2U
Authority: CN
Inventors: 陈秋生; 肖玉龙
Original assignee: Shenzhen Zhouming Technology Co Ltd
Current assignee: Shenzhen Zhouming Technology Co Ltd
Priority date: 2021-06-28
Filing date: 2021-06-28
Publication date: 2022-01-11
Anticipated expiration: 2031-06-28

Abstract

The utility model discloses a fixing lock, comprising: the supporting seat is provided with an accommodating cavity; the tensioning rod penetrates through the accommodating cavity, one end of the two opposite ends is provided with a first limiting part, and the other end of the tensioning rod is provided with a first connecting part; the locking handle is rotatably arranged on the supporting seat, is provided with a second connecting part matched with the first connecting part and is used for driving the tensioning rod to move along the axial direction of the tensioning rod. Still provide a ground beam support, including first supporting beam and with a second supporting beam that first supporting beam can dismantle the connection still includes foretell fixed lock, fixed lock with first supporting beam can dismantle the connection, a second supporting beam stretches into in the holding chamber and with first spacing portion supports and holds. The fixing lock provided by the utility model is simple to operate, the assembly and disassembly efficiency of the ground beam support is improved, and the fixing lock is connected to a part of the section bars after the ground beam support is disassembled, so that the fixing lock is effectively prevented from being lost in the process of carrying the ground beam support.

Description

Fixing lock and ground beam support

Technical Field

The utility model relates to the technical field of display screen assembly, in particular to a fixing lock and a ground beam support with the fixing lock.

Background

The LED display screen has excellent display effect and high-freedom modeling capability, and is widely applied to scenes such as stage performances, outdoor advertisements, large-scale exhibition halls, stadiums and the like. Because LED display screen of large tracts of land is high in price, general user can all select the form of lease for use, consequently, subassembly such as the floor beam support of LED display screen and support LED display screen need dismouting and removal frequently, and current floor beam support adopts the structural style of similar scaffold to build parts such as steel pipe, section bar for the frame form usually, and overall structure is complicated and unable quick assembly disassembly, and the flexibility is relatively poor.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: the utility model provides a fixed lock that dismouting is convenient and have ground beam support of this fixed lock.

In order to solve the technical problems, the utility model adopts the technical scheme that: a pin tumbler lock, comprising: the supporting seat is provided with an accommodating cavity; the tensioning rod penetrates through the accommodating cavity, one end of the two opposite ends is provided with a first limiting part, and the other end of the tensioning rod is provided with a first connecting part; the locking handle is rotatably arranged on the supporting seat, is provided with a second connecting part matched with the first connecting part and is used for driving the tensioning rod to move along the axial direction of the tensioning rod.

Furthermore, a limiting hole matched with the first limiting part is formed in the supporting seat, and the limiting hole is used for limiting the tensioning rod to rotate around the axial direction of the tensioning rod.

Furthermore, at least one of two opposite sides of the first limiting part is provided with a notch, and the shape of the limiting hole is matched with that of the first limiting part.

Furthermore, the supporting seat is further provided with a through hole for the first connecting portion to pass through, and the center of the through hole and the center of the limiting hole are on the same vertical straight line.

Furthermore, one end of the through hole, which is far away from the containing cavity, is provided with a limiting groove, and the locking handle is arranged in the limiting groove.

Furthermore, an elastic piece is arranged between the locking handle and the limiting groove, one end of the two ends of the elastic piece in the stretching direction abuts against the bottom surface of the limiting groove, and the other end of the elastic piece abuts against the locking handle.

Furthermore, the first connecting portion comprises a threaded portion, and a threaded hole matched with the threaded portion is formed in the locking handle.

Furthermore, the first connecting part further comprises a second limiting part axially arranged along the tensioning rod, and a limiting rod matched with the second limiting part is arranged on the locking handle.

Furthermore, the supporting seat is also provided with a mounting hole.

In order to solve the technical problems, the utility model also adopts the following technical scheme: the ground beam support comprises a first supporting beam and a second supporting beam detachably connected with the first supporting beam, and further comprises a fixing lock, the fixing lock is detachably connected with the first supporting beam, and the second supporting beam extends into the accommodating cavity and abuts against the first limiting part.

The utility model has the beneficial effects that: the fixed lock comprises a supporting seat, a tension rod penetrating through the supporting seat and a locking handle rotatably arranged on the supporting seat, the supporting seat is provided with an accommodating cavity capable of accommodating partial sectional materials, the tension rod penetrates through the accommodating cavity and is matched with the locking handle, the tension rod can move along the axial direction of the tension rod by rotating the locking handle, so that the first limiting part at the end part of the tension rod is driven by the locking handle to support the section bar extending into the containing cavity or release the section bar extending into the containing cavity, thereby realizing the locking or unlocking between the supporting seat and the section bar, thereby realizing the splicing or the disassembly between the two sectional materials by connecting the supporting seat with the other sectional material, having simple operation, being beneficial to improving the assembly and the disassembly efficiency of the ground beam bracket, and the fixed lock is connected to a part of the section bars after the ground beam support is removed, so that the fixed lock is effectively prevented from being lost in the process of carrying the ground beam support.

Drawings

FIG. 1 is a schematic diagram of a lock according to an embodiment of the present invention;

FIG. 2 is a front view of a pin tumbler according to a first embodiment of the present invention;

FIG. 3 is an exploded view of a pin tumbler according to a first embodiment of the present invention;

FIG. 4 is a cross-sectional view of a locking handle of a pin tumbler lock according to a first embodiment of the present invention;

FIG. 5 is a schematic structural view of a tension rod of a pin tumbler lock according to a first embodiment of the present invention;

FIG. 6 is a top view of a pin tumbler according to a first embodiment of the present invention;

fig. 7 is a schematic structural view of a first support beam in the ground beam support according to the second embodiment of the utility model;

fig. 8 is a schematic structural view of a lock plate in a ground beam bracket according to a second embodiment of the utility model;

FIG. 9 is a partial structural view of a second support beam of the second embodiment of the present invention;

fig. 10 is a partial structural schematic view of a ground beam bracket according to a second embodiment of the utility model.

Description of reference numerals:

1. a supporting seat; 11. an accommodating cavity; 12. a limiting hole; 13. a through hole; 14. a limiting groove; 15. mounting holes; 2. a tension bar; 21. a first limiting part; 22. a first connection portion; 221. a threaded portion; 222. a second limiting part; 23. cutting; 24. a rod body; 3. locking the handle; 31. a second connecting portion; 32. a threaded hole; 33. a limiting rod; 34. hole site; 35. a chamber; 4. an elastic member; 5. a first support beam; 51. a locking plate; 52. a lock hole; 6. a second support beam; 61. a chucking section; 62. and (6) a via hole.

Detailed Description

In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.

Example one

Referring to fig. 1 to 5, a first embodiment of the present invention is: a fixing lock is used for connecting two sectional materials of a ground beam bracket so as to splice a plurality of sectional materials into a frame shape and provide support for an LED display screen.

As shown in fig. 1 to 3, the fixing lock includes a supporting seat 1, the supporting seat 1 is detachably connected to a section bar, the supporting seat 1 is provided with an accommodating cavity 11 for accommodating another section bar, so that another section bar partially extends into the supporting seat 1, the supporting seat 1 is further provided with a movable tightening rod 2 and a rotatable locking handle 3, the tightening rod 2 is disposed through the accommodating cavity 11, the tightening rod 2 includes a rod body 24, one of two opposite ends of the rod body 24 is provided with a first limiting portion 21 for supporting the section bar to lock the section bar and the supporting seat 1, the other end of the rod body is provided with a first connecting portion 22, the locking handle 3 is provided with a second connecting portion 31 which is matched with the first connecting portion 22 and can drive the tightening rod 2 to move along the axial direction of the tightening rod 2 by rotation of the locking handle 3, so that the first limiting portion 21 extends into the accommodating cavity 11 to compress the section bar to lock the supporting seat 1 and the section bar, the splicing of two sectional materials is realized, or the first limiting part 21 is made to exit from the accommodating cavity 11 to unlock the sectional materials and the supporting seat 1, and at the moment, the two sectional materials can be separated, so that the ground beam support is formed by the mutual matching of a plurality of fixing locks and a plurality of sectional materials or is disassembled.

In detail, in this embodiment, the supporting seat 1 is rectangular and the supporting seat 1 is provided with four mounting holes 15, the four mounting holes 15 are located at four corners of one side of the supporting seat 1, and then the supporting seat 1 can be fixed on the profile by using connecting members such as screws to cooperate with the mounting holes 15, so that the supporting seat 1 is stably connected with the profile.

As shown in fig. 1 and 3, an indication mark is provided on a surface of the support base 1 close to the locking handle 3, and the indication mark is used for indicating that the fixing lock is in a locked state or an unlocked state when the locking handle 3 is at a corresponding position, and indicating a rotation direction of the locking handle 3 when the fixing lock is locked or unlocked, so that the fixing lock is convenient to operate.

Referring to fig. 3, the supporting seat 1 is provided with a limiting hole 12 and a through hole 13 for the tightening rod 2 to pass through, the center of the limiting hole 12 and the center of the through hole 13 are located on the same vertical line, and the limiting hole 12 is matched with the first limiting portion 21 to limit the rotation length of the tightening rod 2 around the axis direction thereof, so as to prevent the tightening rod 2 from being driven to rotate when the locking handle 3 rotates, so that the fixing lock cannot be normally locked or unlocked. The through hole 13 is used for the first connecting portion 22 to pass through and extend out of the accommodating cavity 11 to be matched with the second connecting portion 31, the limiting groove 14 for accommodating the locking handle 3 is arranged at one end, away from the accommodating cavity 11, of the through hole 13, the limiting groove 14 is arranged around the through hole 13, and the second connecting portion 31 is abutted against the limiting groove 14, so that the locking handle 3 can smoothly rotate on the supporting seat 1, and the locking handle 3 is prevented from deviating when rotating.

Preferably, an elastic part 4 is further arranged between the supporting seat 1 and the locking handle 3, one end of two opposite ends of the elastic part 4 in the stretching direction abuts against the bottom surface of the limiting groove 14, the other end of the elastic part abuts against the second connecting part 31, the elastic part 4 is compressed when the fixing lock is in the locking state and the unlocking state, the locking handle 3 is rotated to enable the elastic part 4 to drive the locking handle 3 to move along the axial direction of the tensioning rod 2 towards the direction far away from the supporting seat 1 after the fixing lock is unlocked, so that the first limiting part 21 is kept abutting against the section bar, the first limiting part 21 is prevented from being separated from the section bar immediately after the locking handle 3 is rotated to prevent the section bar from falling to generate a safety accident, the locking handle 3 is pressed downwards along the axial direction of the tensioning rod 2 to enable the first limiting part 21 to be separated from the section bar after the fixing lock is unlocked by rotating the locking handle 3, and the section bar can be safely taken out of the accommodating cavity 11 at the moment, at the same time, the elastic member 4 can keep the position of the locking handle 3 fixed to prevent an unintended action. The elastic part 4 can be a spring, and the spring sleeve is sleeved at one end of the tension rod 2 extending out of the supporting seat 1, so that the fixed lock can be conveniently assembled.

Referring to fig. 3 and 5, the opposite two sides of the first position-limiting portion 21 are respectively provided with a notch 23, the first position-limiting portion 21 is not easy to rotate due to the notch 23, the shape of the position-limiting hole 12 is matched with the shape of the cross section of the first position-limiting portion 21, and the notch 23 abuts against the inner peripheral wall of the position-limiting hole 12 to prevent the tightening rod 2 from rotating around the axial direction thereof, so that the tightening rod 2 only moves along the axial direction of the tightening rod 2 when the locking handle 3 rotates.

As shown in fig. 4 and 5, the first connecting portion 22 includes a threaded portion 221 and a second position-limiting portion 222, wherein the length direction of the second position-limiting portion 222 is the same as the axial direction of the tightening rod 2, the second connecting portion 31 includes a threaded hole 32 matching with the threaded portion 221 and a chamber 35 for rotating the second position-limiting portion 222, the threaded hole 32 is communicated with the chamber 35, when the locking handle 3 rotates, the threaded portion 221 and the threaded hole 32 move relatively, and then the tightening rod 2 is driven to move along the axial direction thereof to lock and unlock the fixing lock.

As shown in fig. 3 to 5, a hole 34 communicating with the chamber 35 is further provided on the locking handle 3, a limiting rod 33 is provided in the hole 34, the limiting rod 33 extends into the chamber 35, when the locking handle 3 rotates a certain angle, the limiting rod 33 and the second limiting portion 222 are abutted to limit the locking handle 3 to rotate continuously, to prevent the locking handle 3 from rotating excessively to cause the locking handle 3 to extrude the supporting seat 1 to cause deformation or the locking handle 3 is separated from the tensioning rod 2 and then falls off, thereby enhancing the structural stability of the fixed lock, and after the fixing lock is unlocked to separate the two profiles, the parts of the fixing lock are still kept on the supporting seat 1, and the supporting seat 1 is connected with one of the profiles, therefore, the fixing lock does not need to be detached in the process of carrying the section bar, the fixing lock is effectively prevented from being lost in the carrying process, and meanwhile, the step of installing the fixing lock can be omitted when the ground beam support is assembled next time.

As shown in fig. 4 to 6, preferably, the lock is in a fully locked state or a fully unlocked state when the stop rod 33 abuts against the second stop portion 222 by adjusting the pitch of the threaded portion 221 and the width of the second stop portion 222, so as to control the rotation angle of the locking handle 3. In the present embodiment, the rotation angle of the lock handle 3 from the lock position to the unlock position is 180 °.

Example two

Referring to fig. 1, 7, 8, 9 and 10, a second embodiment of the present invention is: the ground beam support is used for supporting the LED display screen and comprises a fixing lock in the first embodiment.

As shown in fig. 1, 7, 8 and 9, the ground beam support includes a first support beam 5 and a second support beam 6, a lock plate 51 for installing the fixing lock is disposed at one end of the first support beam 5, the lock plate 51 is substantially rectangular, the shape of the lock plate 51 is adapted to the end surface of the first support beam 5, lock holes 52 corresponding to the installation holes 15 are disposed on the lock plate 51 to fix the support base 1 on the first support beam 5, the number of the lock holes 52 is four, and the four lock holes 52 are respectively disposed near four corners of the lock plate 51 to ensure stable connection between the support base 1 and the lock plate 51. One end of the second supporting beam 6 is provided with a convex clamping part 61, the shape of the section of the clamping part 61 is consistent with the shape of the section of the accommodating cavity 11, so that the clamping part 61 can extend into the accommodating cavity 11 to match the second supporting beam 6 with the supporting seat 1, the clamping part 61 is provided with a through hole 62 matched with the rod body of the tension rod 2, and the first limiting part cannot pass through the through hole 62.

As shown in fig. 10, after the retaining portion 61 extends into the accommodating cavity 11, the locking handle 3 is rotated to make the first limiting portion and the retaining portion 61 abut against each other, so that the relative positions of the supporting seat 1 and the second supporting beam 6 can be fixed, at this time, the first supporting beam 5 and the second supporting beam 6 are spliced along a straight line, and the locking handle 3 is rotated to unlock the fixing lock and separate the first supporting beam 5 from the second supporting beam 6.

Optionally, the jam plate 51 can also set up on the lateral wall of first supporting beam 5 in order to install the dead lock in the side of first supporting beam 5, can splice first supporting beam 5 and second supporting beam 6 for the right angle this moment, and then can splice a plurality of first supporting beam 5 and second supporting beam 6 for the form of putting up in order to supply the installation of LED display screen through the nimble setting of fixed lock on first supporting beam 5.

Preferably, the first support beam 5 and the second support beam 6 are respectively provided with at least one of a lock plate 51 and a limit part, so as to realize flexible assembly of the ground beam support.

In conclusion, the fixed lock provided by the utility model has the advantages that the locking handle is rotated to enable the tension rod to move to realize the locking and unlocking between the supporting seat and the sectional material, the supporting seat is arranged on the other sectional material to realize the splicing or the dismounting of the two sectional materials, the dismounting is fast and convenient, and the assembling efficiency and the dismounting efficiency of the ground beam support are effectively improved; each part of fixed lock all keeps on the supporting seat after the unblock, and the supporting seat is connected with the section bar, and then need not to take off the fixed lock from the section bar after the ground beam support dismantles and can carry, effectively prevents that the fixed lock from losing in handling to the step of installing the fixed lock when saving ground beam support and assembling once more makes things convenient for ground beam support to assemble once more.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.

Claims

1. A pin tumbler lock, comprising:

the supporting seat is provided with an accommodating cavity;

the tensioning rod penetrates through the accommodating cavity, one end of the two opposite ends is provided with a first limiting part, and the other end of the tensioning rod is provided with a first connecting part;

the locking handle is rotatably arranged on the supporting seat, is provided with a second connecting part matched with the first connecting part and is used for driving the tensioning rod to move along the axial direction of the tensioning rod.

2. A pin tumbler lock according to claim 1, wherein: the supporting seat is provided with a limiting hole matched with the first limiting part, and the limiting hole is used for limiting the tensioning rod to rotate around the axial direction of the tensioning rod.

3. A pin tumbler lock according to claim 2, wherein: at least one of two opposite sides of the first limiting part is provided with a notch, and the shape of the limiting hole is matched with that of the first limiting part.

4. A pin tumbler lock according to claim 2, wherein: the supporting seat is further provided with a through hole for the first connecting portion to penetrate through, and the center of the through hole and the center of the limiting hole are on the same vertical straight line.

5. A pin tumbler lock according to claim 4, wherein: one end of the through hole, which is far away from the containing cavity, is provided with a limiting groove, and the locking handle is arranged in the limiting groove.

6. A pin tumbler lock according to claim 5, wherein: an elastic piece is arranged between the locking handle and the limiting groove, one end of the two ends of the elastic piece in the stretching direction abuts against the bottom surface of the limiting groove, and the other end of the elastic piece abuts against the locking handle.

7. A pin tumbler lock according to claim 1, wherein: the first connecting portion comprises a threaded portion, and a threaded hole matched with the threaded portion is formed in the locking handle.

8. A pin tumbler lock according to claim 1, wherein: the first connecting part further comprises a second limiting part axially arranged along the tensioning rod, and a limiting rod matched with the second limiting part is arranged on the locking handle.

9. A pin tumbler lock according to claim 1, wherein: the supporting seat is also provided with a mounting hole.

10. The ground beam support, including first supporting beam and with the second supporting beam that first supporting beam can dismantle the connection, its characterized in that: the lock of any of claims 1-9 further comprising a lock detachably connected to the first support beam, wherein the second support beam extends into the receiving cavity and abuts against the first limiting portion.