CN220493318U

CN220493318U - Knob lock catch

Info

Publication number: CN220493318U
Application number: CN202322043276.5U
Authority: CN
Inventors: 贺爱民; 赵平林; 金砾
Original assignee: Zhejiang Dacai Photoelectric Technology Co ltd
Current assignee: Zhejiang Dacai Photoelectric Technology Co ltd
Priority date: 2023-07-31
Filing date: 2023-07-31
Publication date: 2024-02-13
Anticipated expiration: 2033-07-31

Abstract

The utility model relates to the technical field of display screen module installation, in particular to a knob lock catch, which comprises a lock catch seat and a lock handle, wherein a through hole with a columnar structure is formed in the lock catch seat, a first arc-shaped bulge is formed in the lock catch seat at two ends of the through hole, a second arc-shaped bulge is formed at one end of the lock handle, a pressing block is arranged on the side wall of the end part of the lock handle provided with the second arc-shaped bulge, a check ring is sleeved at the other end of the lock handle, a third arc-shaped bulge is arranged at the end part of the check ring, and the directions of the first arc-shaped bulges at two ends of the through hole of the lock catch seat are consistent. According to the knob lock catch, the first arc-shaped bulge on the lock catch seat, the second arc-shaped bulge on the lock handle and the third arc-shaped bulge on the baffle ring are matched, so that the pressing block is lifted in the unlocking process, the pressing block is pressed down in the locking process, the locking and unlocking are smooth, the box body is not easy to scrape, and meanwhile, the pressure spring and the steel balls are positioned in the arc-shaped groove, and the positioning force is stable and reliable.

Description

Knob lock catch

Technical Field

The utility model relates to the technical field of display screen module installation, in particular to a knob lock catch.

Background

The current display screen module installation method is realized by the following methods

The first method is to lock by adopting screws: the module is directly fixed on the box body by using the screw, so that the box has the advantages of low cost and reliability, the defect of tools, and the front and rear maintenance cannot be realized.

The second method is to adopt magnetic attraction installation: the plurality of magnets are used for adsorbing the module on the box body, so that front and rear maintenance can be realized, the price is relatively high, the magnets are easily corroded by climate, and protection is relatively difficult. And the typhoon weather is easy to fall off in the outdoor time to cause quality accidents.

The third method is to use a knob: the hand knob is adopted to rotate 90 degrees to realize locking, and the special tool can be eliminated, but the requirement of the knob on the processing precision of the box body is higher, the appearance can be scratched when the precision is insufficient or the height change is caused by powder spraying, and the screwing force is larger due to scratch, so that the inner hexagon is slipped and damaged.

At present, the knob is generally rotated, and the knob main body is not displaced in the axial direction, so that the appearance of the box body is damaged, and the locking stability is affected.

Disclosure of Invention

The utility model aims to solve the technical defects and provide the knob lock catch which has axial displacement in the rotation process of the lock handle, realizes the downward pressing locking at a certain height, does not scratch the surface of the locking part and has better usability.

The utility model discloses a knob lock catch, which comprises a lock catch seat and a lock handle, wherein a through hole with a columnar structure is formed in the lock catch seat, a first arc-shaped bulge is formed in the lock catch seat at two ends of the through hole, one end of the lock handle penetrates through the through hole of the lock catch seat, a second arc-shaped bulge is formed at one end of the lock handle, a pressing block is arranged on the side wall of the end part of the lock handle provided with the second arc-shaped bulge, a check ring is sleeved at the other end of the lock handle, the check ring is fixedly connected with the lock handle, a third arc-shaped bulge is arranged at the end part of the check ring, the directions of the first arc-shaped bulges at two ends of the through hole of the lock catch seat are consistent, the second arc-shaped bulge on the lock handle is matched with the first arc-shaped bulge at the same side, and the third arc-shaped bulge on the check ring is matched with the first arc-shaped bulge at the same side.

The end of the lock handle provided with one end of the check ring is of a polygonal structure, the inner hole of the check ring is of a polygonal structure, the check ring is matched with the lock handle, a clamping groove is formed in the end of the lock handle outside the check ring, and a clamping ring is arranged in the clamping groove.

A plurality of arc-shaped grooves are formed in the inner wall of the through hole of the lock catch seat at intervals, the arc-shaped grooves are arranged along the axial direction of the through hole, the arc-shaped grooves are uniformly spaced in the circumferential direction of the through hole, a mounting hole is formed in the middle of the lock handle, the mounting hole is arranged in the radial direction, a pressure spring is arranged in the mounting hole, and steel balls are arranged at the two ends of the pressure spring.

The ends of the first arc-shaped bulge, the second arc-shaped bulge and the third arc-shaped bulge are all a platform, and the platform is perpendicular to the axial direction of the corresponding through hole, the lock handle and the retainer ring.

The lock catch seat is provided with a connecting lug, a hole is formed in the connecting lug, and the lock catch seat is fixed on the module through the connecting lug and a bolt.

Both ends of the lock handle are provided with inner hexagonal holes.

The number of the pressing blocks is two, the pressing blocks are respectively arranged on two sides of the same end of the lock handle and extend outwards, and the two pressing blocks are arranged at two ends in the same radial direction.

According to the knob lock catch, the first arc-shaped bulge on the lock catch seat, the second arc-shaped bulge on the lock handle and the third arc-shaped bulge on the baffle ring are matched, so that the pressing block is lifted in the unlocking process, the pressing block is pressed down in the locking process, the locking and unlocking are smooth, the box body is not easy to scrape, and meanwhile, the pressure spring and the steel balls are positioned in the arc-shaped groove, and the positioning force is stable and reliable.

Drawings

FIG. 1 is an isometric view of a knob lock of the present utility model in a locked condition;

FIG. 2 is an isometric view of the structure of the knob lock of the present utility model in an unlocked state;

FIG. 3 is an exploded view of the present utility model;

FIG. 4 is a front elevational view of the structure of the present utility model;

FIG. 5 is a cross-sectional view of the structure of the present utility model;

FIG. 6 is a schematic view of the knob lock of the present utility model installed in use on a housing;

FIG. 7 is a cross-sectional view of the knob lock of the present utility model in use on a housing;

fig. 8 is an enlarged partial schematic view of fig. 7.

Detailed Description

In order to further describe the technical means and effects adopted by the present utility model for achieving the intended purpose, the following detailed description will refer to the specific implementation, structure, characteristics and effects according to the present utility model with reference to the accompanying drawings and preferred embodiments.

Example 1:

as shown in fig. 1-8, the utility model discloses a knob lock catch, which comprises a lock catch seat 1 and a lock handle 2, wherein a through hole 3 with a columnar structure is arranged in the lock catch seat 1, a first arc-shaped bulge 4 is arranged on the lock catch seat 1 at two ends of the through hole 3, one end of the lock handle 2 penetrates through the through hole 3 of the lock catch seat 1, a second arc-shaped bulge 6 is arranged at one end of the lock handle 2, a pressing block 5 is arranged on the side wall of the end part of the lock handle 2 provided with the second arc-shaped bulge 6, a check ring 7 is sleeved at the other end of the lock handle 2, the check ring 7 is fixedly connected with the lock handle 2, a third arc-shaped bulge 8 is arranged at the end part of the check ring 7, the directions of the first arc-shaped bulges 4 at two ends of the through hole 3 of the lock catch seat 1 are consistent, the second arc-shaped bulge 6 on the lock handle 2 is matched with the first arc-shaped bulge 4 at the same side, and the third arc-shaped bulge 8 on the check ring 7 is matched with the first arc-shaped bulge 4 at the same side.

The first arc-shaped bulge 4, the second arc-shaped bulge 6 and the third arc-shaped bulge 8 are spiral bulges. After the retainer ring 7 is fixed at the end part of the lock handle 2, a spiral groove is formed between the second arc-shaped bulge 6 and the third arc-shaped bulge 8, and the first arc-shaped bulges 4 at the two ends of the through hole 3 of the lock catch seat 1 are positioned in the spiral groove and are matched with each other. Can realize in the rotation of lock handle 2 that lock handle 2 takes place the displacement along the axial, lock handle 2 moves down when locking promptly, and briquetting 5 pushes down on box 21, and when unblock, lock handle 2 moves up, directly produces the clearance between briquetting 5 and the box 21, can not cause the condition such as scratch to box 21. And the locking and unlocking processes are more convenient, and the locking is stable and reliable.

The end of the lock handle 2 provided with one end of the check ring 7 is of a polygonal structure, the inner hole of the check ring 7 is of a polygonal structure, the check ring 7 is matched with the lock handle 2, a clamping groove 11 is formed in the end of the lock handle 2 outside the check ring 7, and a clamping ring 9 is arranged in the clamping groove 11. The retaining ring 7 adopts polygonal structure cooperation rand 9 to carry out spacingly on the lock handle 2, and in the rotation process of the lock handle 2, the retaining ring 7 can rotate along with the lock handle 2 is synchronous, sets for draw-in groove 11's position according to actual demand simultaneously, can effectively cooperate first arc protruding 4 with second arc protruding 6, third arc protruding 8 respectively, easy dismounting moreover.

A plurality of arc-shaped grooves 18 are formed in the inner wall of the through hole 3 of the lock catch seat 1 at intervals, the arc-shaped grooves 18 are arranged along the axial direction of the through hole 3, the arc-shaped grooves 18 are uniformly spaced in the circumferential direction of the through hole 3, a mounting hole 12 is formed in the middle of the lock handle 2, the mounting hole 12 is arranged in the radial direction, a pressure spring 13 is arranged in the mounting hole 12, and steel balls 14 are arranged at two ends of the pressure spring 13. The arc grooves 18 are formed in the inner wall of the through hole 3 at intervals, the arc grooves 18 are formed in the axial direction, the lock handle 2 is rotated, steel balls 14 in the mounting holes 12 enter and exit from the arc grooves 18 under the action of the pressure springs 13, the lock handle 2 is positioned in the lock catch seat 1, obvious locking and unlocking feeling is achieved in the rotation process of the lock handle 2, the operation is more convenient, and a certain retaining force is provided for the lock handle 2 in the unlocking and locking states.

The ends of the first arc-shaped bulge 4, the second arc-shaped bulge 6 and the third arc-shaped bulge 8 are respectively a platform 10, and the platforms 10 are perpendicular to the axial directions of the corresponding through holes 3, the lock handle 2 and the check rings 7. Because the first arc-shaped bulge 4, the second arc-shaped bulge 6 and the third arc-shaped bulge 8 all adopt large-pitch spiral to realize obvious pushing and lifting actions, the self-locking force is insufficient, and the end part of the platform 10 is designed to prevent automatic unlocking. Under the cooperation of the platform 10, the pressure spring 13, the steel balls 14 and the arc-shaped grooves 18, the locking device can better maintain positioning and is more stable and reliable.

The lock catch seat 1 is provided with a connecting lug 16, the connecting lug 16 is provided with a hole 17, and the lock catch seat 1 is fixed on the module through the connecting lug 16 and a bolt 15. The connecting lugs 16 on the lock catch base 1 can fix the lock catch base 1 on the display module 20 through the bolts 15, and the pressing blocks 5 on the lock handle 2 can clamp the box body 21, so that the display module 20 is fixedly connected on the box body 21.

Both ends of the lock handle 2 are provided with inner hexagonal holes 19. The inner hexagonal holes 19 at the two ends of the lock handle 2 can be matched with an inner hexagonal wrench to realize front maintenance and rear maintenance of the display screen.

The number of the pressing blocks 5 is two, the pressing blocks 5 are respectively arranged on two sides of the same end of the lock handle 2 and extend outwards, and the two pressing blocks 5 are arranged on two ends in the same radial direction. The lower ends of the two pressing blocks 5 are flush, and in the rotating process, the lower end faces of the pressing blocks 5 are pressed on the box body 21, so that the display module 20 is assembled on the box body 21.

In practical applications, the case 21 needs to be provided with a long groove, the width of which is larger than that of the pressing blocks 5, but the width of which is smaller than that of the whole formed by the two pressing blocks 5. After the lock handle 2 and the lock catch seat 1 are assembled, the lock catch seat 1 is fixed on the module, then the pressing blocks 5 on the lock handle 2 penetrate through the long groove, then the lock handle 2 is rotated by 90 degrees, the two pressing blocks 5 are pressed down on two sides of the long groove, and the fixed connection of the display module 20 on the box body 21 is realized.

In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," etc. indicate or are based on the orientation or positional relationship shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; may be a mechanical connection; can be directly connected or indirectly connected through an intermediate medium, and can be in interaction relationship with two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

In this application, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other by way of additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The present utility model is not limited to the preferred embodiments, but is capable of modification and variation in detail, and other modifications and variations can be made by those skilled in the art without departing from the scope of the present utility model.

Claims

1. A knob lock, characterized by: including hasp seat and locking lever, the inside through-hole that is provided with columnar structure of hasp seat is provided with first arc arch on the hasp seat at through-hole both ends, the through-hole of hasp seat is passed to the one end of locking lever, is provided with the second arc arch at the one end of locking lever, is provided with the briquetting on the lateral wall of the bellied locking lever tip of being provided with the second arc, is equipped with the retaining ring at the other pot head of locking lever, fixed connection between retaining ring and the locking lever, the tip of retaining ring is provided with the third arc arch, the bellied direction of first arc at the through-hole both ends of hasp seat is unanimous, the second arc arch on the locking lever cooperates with the first arc arch of homonymy, and the third arc arch on the retaining ring cooperates with the first arc arch of homonymy.

2. A knob lock according to claim 1, wherein: the end of the lock handle provided with one end of the check ring is of a polygonal structure, the inner hole of the check ring is of a polygonal structure, the check ring is matched with the lock handle, a clamping groove is formed in the end of the lock handle outside the check ring, and a clamping ring is arranged in the clamping groove.

3. A knob lock according to claim 1 or 2, wherein: a plurality of arc-shaped grooves are formed in the inner wall of the through hole of the lock catch seat at intervals, the arc-shaped grooves are arranged along the axial direction of the through hole, the arc-shaped grooves are uniformly spaced in the circumferential direction of the through hole, a mounting hole is formed in the middle of the lock handle, the mounting hole is arranged in the radial direction, a pressure spring is arranged in the mounting hole, and steel balls are arranged at the two ends of the pressure spring.

4. A knob lock according to claim 3, wherein: the ends of the first arc-shaped bulge, the second arc-shaped bulge and the third arc-shaped bulge are all a platform, and the platform is perpendicular to the axial direction of the corresponding through hole, the lock handle and the retainer ring.

5. A knob lock according to claim 1, wherein: the lock catch seat is provided with a connecting lug, a hole is formed in the connecting lug, and the lock catch seat is fixed on the module through the connecting lug and a bolt.

6. A knob lock according to claim 1, wherein: both ends of the lock handle are provided with inner hexagonal holes.

7. A knob lock according to claim 1, wherein: the number of the pressing blocks is two, the pressing blocks are respectively arranged on two sides of the same end of the lock handle and extend outwards, and the two pressing blocks are arranged at two ends in the same radial direction.