CN211925192U

CN211925192U - Locking mechanism with adjustable angle

Info

Publication number: CN211925192U
Application number: CN201922492679.1U
Authority: CN
Inventors: 杨可申
Original assignee: Dongguan Goodjob Precision Components Co ltd
Current assignee: Dongguan Goodjob Precision Components Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-11-13
Anticipated expiration: 2029-12-30

Abstract

The utility model belongs to the technical field of the electronic equipment concatenation technique and specifically relates to indicate a locking mechanical system with adjustable angle, it includes the fixing base, sets up the hasp seat on the fixing base and is used for locking the location locking device of hasp seat on the fixing base, the hasp seat is provided with the arc spout, the fixing base be provided with arc spout sliding fit's sliding guide. The utility model has the advantages of simple structure compactness, adopt the arc to slide and the mode of locking location to make the hasp hole of hasp seat realize inclination's regulation, make from this the utility model discloses can be applicable to the various radian concatenations of display screen box, thereby improve the utility model discloses a commonality, use flexibility and work efficiency.

Description

Locking mechanism with adjustable angle

Technical Field

The utility model belongs to the technical field of the electronic equipment concatenation technique and specifically relates to indicate a locking mechanism with adjustable angle.

Background

Traditional pin-connected panel display screen is usually fixed with two adjacent display screen boxes, and two display screen boxes are in the same place through fixed connection's mode installation, make two display screens be in the coplanar, however, sometimes, the display screen that needs the combination presents the arc, and this radian concatenation mechanism that just needs to rely on special needs splices two display screen boxes into the arc display screen that is certain radian. When the two display screen box bodies are installed and locked, the two arc-shaped spliced display screen box bodies can be locked and fixed only by matching with the lock heads and the lock catches which are obliquely arranged on the display screen box bodies. However, the inclined angles of the existing lock head and the lock catch are fixed and cannot be adjusted, so that the lock head and the lock catch can only be suitable for appointed arc splicing, when the radian of the display screen needs to be changed, the lock head and the lock catch with other inclined angles need to be replaced, the universality is poor, and time and labor are wasted in disassembly and assembly. This drawback is quite evident and an effective solution is needed.

Disclosure of Invention

An object of the utility model is to provide a locking mechanism with adjustable angle to prior art's not enough, its simple structure is compact, and the operation is reliable and stable, and can carry out angle modulation to the hasp.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a pair of locking mechanical system with adjustable angle, it includes the fixing base, sets up the hasp seat on the fixing base and is used for locking the location locking device of hasp seat on the fixing base, the hasp seat is provided with the arc spout, the fixing base be provided with arc spout sliding fit's sliding guide.

The positioning and locking device comprises a positioning rotating shaft and two positioning rods, wherein the positioning rotating shaft is rotatably arranged on the lock catch seat, the two positioning rods are respectively and slidably arranged at two ends of the positioning rotating shaft, the positioning rotating shaft is provided with a sliding cavity for accommodating the two positioning rods, and the sliding cavity is arranged along the central axis of the positioning rotating shaft and penetrates through two ends of the positioning rotating shaft; the two ends of the positioning rotating shaft are both provided with spiral grooves communicated with the sliding cavity, and one end of the positioning rod is provided with a sliding pin in sliding fit with the spiral grooves; the fixing seat is provided with a plurality of positioning holes for the positioning rods to be inserted, and the positioning holes are arranged along an arc line.

Furthermore, the sliding cavity is internally provided with an elastic piece, and two ends of the elastic piece are respectively abutted against one ends of the two positioning rods.

Furthermore, the outer side of the positioning rotating shaft is provided with a shifting block for driving the positioning rotating shaft to rotate.

Wherein, the fixing base is including setting up respectively in left fixed block and the right fixed block of the both sides of hasp seat, the both sides of hasp seat all are equipped with the arc spout, the side that left side fixed block is close to the hasp seat and the side that right fixed block is close to the hasp seat all are equipped with sliding guide.

Furthermore, auxiliary guide rails are arranged on two sides of the lock catch seat and are arranged below the arc-shaped sliding groove; and the side surface of the left fixed block, which is close to the lock catch seat, and the side surface of the right fixed block, which is close to the lock catch seat, are both provided with auxiliary sliding chutes in sliding fit with the auxiliary guide rails.

Wherein, the protruding location elasticity pearl that is equipped with in sliding guide's surface, the diapire of arc spout is provided with a plurality of positioning groove that are used for supplying the holding of location elasticity pearl, and a plurality of positioning groove arrange the setting along the pitch arc of arc spout.

The cross section of the sliding guide rail is T-shaped, and the arc-shaped sliding groove is a T-shaped groove matched with the T-shaped sliding guide rail.

The lock catch seat is provided with a threaded hole, and the fixed seat is provided with an arc-shaped through hole communicated with the threaded hole.

The mounting reference surface of the fixing seat is provided with a positioning pin, and the fixing seat is provided with a mounting through hole.

The utility model has the advantages that:

in practical application, the fixing seat is used for being connected and fixed with an external display screen box body, so that the lock catch seat is arranged on the display screen box body; the hasp seat is through arc spout and sliding guide sliding fit to make the hasp seat be the arc and slide steadily on the fixing base, curved slip and then make the hasp seat at gliding in-process, hasp hole on the hasp seat can rotate relative to the fixing base, until the hasp seat slides to suitable position after, location locking device just locks the hasp seat in the fixing base, prevents that the hasp seat from taking place to slide, thereby fixes a position the hasp seat. The utility model has the advantages of simple structure compactness, adopt the arc to slide and the mode of locking location to make the hasp hole of hasp seat realize inclination's regulation, make from this the utility model discloses can be applicable to the various radian concatenations of display screen box, thereby improve the utility model discloses a commonality, use flexibility and work efficiency.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a top view of the present invention;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is a schematic exploded view of the present invention;

fig. 5 is an enlarged schematic view of a portion a in fig. 4.

Description of the reference numerals

1. A fixed seat; 2. a lock catch seat; 3. positioning the locking device; 11. a left fixed block; 12. a right fixed block; 13. an auxiliary guide rail; 14. an auxiliary chute; 15. a threaded hole; 16. an arc-shaped through hole; 111. positioning pins; 112. mounting a through hole; 21. an arc-shaped chute; 22. a sliding guide rail; 221. positioning the elastic beads; 222. a positioning groove; 31. positioning the rotating shaft; 32. positioning a rod; 33. a slide pin; 34. a sliding cavity; 35. a helical groove; 36. positioning holes; 37. an elastic member; 38. and pulling the block.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention. The present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 5, the utility model provides a pair of locking mechanical system with adjustable angle, it includes fixing base 1, sets up hasp seat 2 on fixing base 1 and is used for locking hasp seat 2 location locking device 3 on fixing base 1, hasp seat 2 is provided with arc spout 21, fixing base 1 is provided with arc spout 21 sliding fit's sliding guide 22.

In practical application, the fixed seat 1 is used for being connected and fixed with an external display screen box body, so that the lock catch seat 2 is installed on the display screen box body; hasp seat 2 is via arc spout 21 and sliding guide 22 sliding fit to make hasp seat 2 be the arc and slide steadily on fixing base 1, curved slip and then make hasp seat 2 at gliding in-process, hasp hole on the hasp seat 2 can rotate fixing base 1 relatively, slide to suitable position after hasp seat 2, location locking device 3 just locks hasp seat 2 in fixing base 1, prevents that hasp seat 2 from taking place to slide, thereby fixes a position hasp seat 2. The utility model has the advantages of simple and compact structure, adopt the arc to slide and the mode of locking location to make the hasp hole of hasp seat 2 realize inclination's regulation, make from this the utility model discloses can be applicable to the various radian concatenations of display screen box, thereby improve the utility model discloses a commonality, use flexibility and work efficiency.

In the present technical solution, the positioning and locking device 3 includes a positioning rotating shaft 31 rotatably disposed on the locking seat 2 and two positioning rods 32 slidably disposed at two ends of the positioning rotating shaft 31, the positioning rotating shaft 31 is provided with a sliding cavity 34 for accommodating the two positioning rods 32, and the sliding cavity 34 is disposed along a central axis of the positioning rotating shaft 31 and penetrates through two ends of the positioning rotating shaft 31; both ends of the positioning rotating shaft 31 are provided with spiral grooves 35 communicated with the sliding cavity 34, and one end of the positioning rod 32 is provided with a sliding pin 33 in sliding fit with the spiral grooves 35; the fixing base 1 is provided with a plurality of positioning holes 36 for the positioning rods 32 to be inserted, and the positioning holes 36 are arranged along an arc line. Specifically, the slide pin 33 is disposed perpendicular to the positioning rod 32, and the slide pin 33 protrudes into the spiral groove 35.

In practical application, after the latch base 2 slides to a preset position, the positioning rotating shaft 31 is rotated in the forward direction, the rotating positioning rotating shaft 31 drives the spiral groove 35 to rotate, the rotating spiral groove 35 drives the sliding pin 33 to slide along the spiral groove 35 via the groove wall thereof, the sliding pin 33 drives the positioning rod 32 to move relative to the positioning rotating shaft 31, and then the positioning rods 32 at the two ends of the positioning rotating shaft 31 synchronously extend out of the latch base 2 and extend into one of the positioning holes 36, so as to lock and position the latch base 2; conversely, the positioning shaft 31 is rotated reversely, so that the positioning rod 32 can be retracted, and the positioning rod 32 can be moved out of the positioning hole 36, so as to facilitate the angle adjustment of the latch base 2 again. The structure design of the positioning locking device 3 is simple and compact, the operation of the positioning rod 32 is simple and convenient, and the positioning rod 32 can be stably and accurately extended and retracted under the matching of the spiral groove 35 and the sliding pin 33.

In this technical solution, an elastic member 37 is disposed in the sliding cavity 34, and two ends of the elastic member 37 respectively abut against one end of the two positioning rods 32. In particular, the elastic member 37 is a spring. When the positioning rotating shaft 31 is rotated to drive the two positioning rods 32 to close and contract, the elastic element 37 is compressed; after the locking seat 2 slides to the predetermined position, the elastic member 37 releases the elastic potential energy to eject the two positioning rods 32 out of the locking seat 2 and protrude into the positioning holes 36 by releasing the rotation stop of the positioning rotating shaft 31. Specifically, the outer side of the positioning rotating shaft 31 is provided with a pulling block 38 for driving the positioning rotating shaft to rotate, and the contraction pulling block 38 is fixed outside the positioning rotating shaft 31 through a locking pin in a sleeved manner. When the locking seat 2 needs to slide, the rotating pulling block 38 only needs to be rotated, and the rotating pulling block 38 drives the positioning rotating shaft 31 to rotate so as to enable the positioning rod 32 to contract, and then the locking seat 2 slides; after the locking seat 2 slides to the predetermined position, the pulling block 38 is only required to be released, and the positioning rod 32 is ejected out under the elastic force of the elastic member 37, and is reset by the pulling block 38 through the matching of the spiral groove 35 and the sliding pin 33. The simple compactness of design of this structure, and improve the utility model discloses a simple operation nature.

In this embodiment, fixing base 1 is including setting up in left fixed block 11 and the right fixed block 12 of the both sides of hasp seat 2 respectively, the both sides of hasp seat 2 all are equipped with arc spout 21, the side that left side fixed block 11 is close to hasp seat 2 and the side that right fixed block 12 is close to hasp seat 2 all are equipped with sliding guide 22. Specifically, the cross-sectional shape of the sliding guide rail 22 is a T shape, and the arc-shaped sliding groove 21 is a T-shaped groove matched with the T-shaped sliding guide rail 22. The design of the structure can make the whole body of the utility model more compact, save the occupied space and facilitate the operation of the lock catch seat 2; meanwhile, the T-shaped groove and the T-shaped guide rail are arranged, so that the locking catch seat 2 can slide more stably and accurately.

Preferably, the two sides of the latch holder 2 are both provided with an auxiliary guide rail 13, and the auxiliary guide rails 13 are arranged below the arc-shaped sliding grooves 21; and the side surface of the left fixed block 11 close to the lock catch seat 2 and the side surface of the right fixed block 12 close to the lock catch seat 2 are both provided with an auxiliary sliding chute 14 in sliding fit with an auxiliary guide rail 13. The matching design of the auxiliary guide rail 13 and the auxiliary sliding chute 14 can improve the regulation stability and accuracy of the lock catch seat 2.

Preferably, the surface of the sliding guide 22 is convexly provided with a positioning elastic bead 221, the bottom wall of the arc-shaped sliding chute 21 is provided with a plurality of positioning grooves 222 for accommodating the positioning elastic bead 221, and the plurality of positioning grooves 222 are arranged along an arc of the arc-shaped sliding chute 21. When the latch base 2 slides, the positioning elastic bead 221 is separated from one of the positioning grooves 222 under the elastic action thereof until the latch base 2 slides to a next predetermined position, and at this time, the positioning elastic bead 221 is clamped into the next positioning groove 222 under the elastic action thereof. The design of the positioning elastic bead 221 and the positioning groove 222 further improves the adjustment precision of the latch base 2 and the positioning stability of the latch base 2.

In this technical scheme, hasp seat 2 is provided with screw hole 15, fixing base 1 is provided with the arc through-hole 16 with screw hole 15 intercommunication. In practical application, can adopt the handle to compress tightly the threaded rod and pass behind the arc through-hole 16 with 15 spiro unions of screw hole, after 2 location of hasp seat, adopt the handle to compress tightly the threaded rod and lock fixedly hasp seat 2 to prevent hasp seat 2 to take place to slide at work, in order to improve the utility model discloses a job stabilization nature.

In this technical scheme, the installation reference plane of fixing base 1 is equipped with locating pin 111, fixing base 1 is provided with installation through-hole 112. The positioning pin 111 is used for positioning the mounting position of the fixing seat 1, so that the position accuracy of the lock catch seat 2 is ensured; the fixing base 1 is connected and fixed with the display screen box body after penetrating through the mounting through hole 112 through a bolt.

The above description is only for the preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention is disclosed in the preferred embodiment, it is not limited to the above description, and any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, but all the technical solutions of the present invention are within the scope of the present invention.

Claims

1. The utility model provides a locking mechanism with adjustable angle which characterized in that: including the fixing base, set up the hasp seat on the fixing base and be used for locking the location locking device of hasp seat on the fixing base, the hasp seat is provided with the arc spout, the fixing base be provided with arc spout sliding fit's sliding guide.

2. An angularly adjustable locking mechanism according to claim 1, wherein: the positioning and locking device comprises a positioning rotating shaft which is rotatably arranged on the lock catch seat and two positioning rods which are respectively arranged at two ends of the positioning rotating shaft in a sliding manner, the positioning rotating shaft is provided with a sliding cavity for accommodating the two positioning rods, and the sliding cavity is arranged along the central axis of the positioning rotating shaft and penetrates through two ends of the positioning rotating shaft; the two ends of the positioning rotating shaft are both provided with spiral grooves communicated with the sliding cavity, and one end of the positioning rod is provided with a sliding pin in sliding fit with the spiral grooves; the fixing seat is provided with a plurality of positioning holes for the positioning rods to be inserted, and the positioning holes are arranged along an arc line.

3. An angularly adjustable locking mechanism according to claim 2, wherein: an elastic piece is arranged in the sliding cavity, and two ends of the elastic piece are respectively abutted against one ends of the two positioning rods.

4. An angularly adjustable locking mechanism according to claim 2, wherein: and a shifting block for driving the positioning rotating shaft to rotate is arranged on the outer side of the positioning rotating shaft.

5. An angularly adjustable locking mechanism according to claim 1, wherein: the fixing base is including setting up respectively in the left fixed block and the right fixed block of the both sides of hasp seat, the both sides of hasp seat all are equipped with the arc spout, the side that left side fixed block is close to the hasp seat and the side that right fixed block is close to the hasp seat all are equipped with sliding guide.

6. An angularly adjustable locking mechanism according to claim 5, wherein: auxiliary guide rails are arranged on two sides of the lock catch seat and are arranged below the arc-shaped sliding groove; and the side surface of the left fixed block, which is close to the lock catch seat, and the side surface of the right fixed block, which is close to the lock catch seat, are both provided with auxiliary sliding chutes in sliding fit with the auxiliary guide rails.

7. An angularly adjustable locking mechanism according to any of claims 1 to 6, wherein: the protruding location elasticity pearl that is equipped with in sliding guide's surface, the diapire of arc spout is provided with a plurality of positioning groove that are used for supplying the holding of location elasticity pearl, and a plurality of positioning groove arrange the setting along the pitch arc of arc spout.

8. An angularly adjustable locking mechanism according to any of claims 1 to 6, wherein: the cross-sectional shape of sliding guide is the T type, the arc spout is the T type recess with the sliding guide complex of T type form.

9. An angularly adjustable locking mechanism according to any of claims 1 to 6, wherein: the hasp seat is provided with the screw hole, the fixing base is provided with the arc through-hole with the screw hole intercommunication.

10. An angularly adjustable locking mechanism according to any of claims 1 to 6, wherein: the installation reference surface of fixing base is equipped with the locating pin, the fixing base is provided with the installation through-hole.