CN219712799U

CN219712799U - Lock catch

Info

Publication number: CN219712799U
Application number: CN202320630241.9U
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: 2023-03-28
Filing date: 2023-03-28
Publication date: 2023-09-19
Anticipated expiration: 2033-03-28

Abstract

The utility model relates to the technical field of display module connection, in particular to a lock catch, which comprises a lock catch seat, wherein the lock catch seat is fixed on a display module, two connecting plates are arranged on the lock catch seat, a gap exists between the connecting plates, a pair of corresponding through holes are formed in the two connecting plates, a lock shaft is arranged in the through holes, two curve lock parts are arranged on the lock shaft between the two connecting plates, an elastic mechanism is arranged between the two curve lock parts, one ends of the two curve lock parts are outwards unfolded by the elastic mechanism, and the outer side wall of the curve lock part is arc-shaped. According to the lock catch, the lock catch can directly penetrate through the connecting hole, the arc-shaped outer side wall of the curve lock part is used for clamping, the locking state of the curve lock part is kept by the torsion spring, the installation and the use are convenient, and the connection is stable and firm. And the lock handle can be more convenient for the disassembly and assembly of the subsequent maintenance, and the disassembly and assembly of the front maintenance of the display module can be realized due to the arrangement of the unlocking hole and the baffle.

Description

Lock catch

Technical Field

The utility model relates to the technical field of display module assembly connection, in particular to a lock catch.

Background

At present, the display screen module is generally installed in the forms of screws, magnets or knobs. The screw locking is as follows: the display module is directly fixed on the box body through screws, so that the display module is low in cost and firm in connection, but the display module is disassembled and assembled by a tool, and front maintenance cannot be realized.

The connection by magnet means: the display module is adsorbed on the box body by the plurality of magnets, front and back maintenance can be realized, but the cost is relatively high, the magnets are easy to be corroded by weather, the protection is difficult, the firmness is relatively poor, and especially, the display module is easy to fall off when the wind power is large outdoors.

The knob connection is as follows: the knob is manually rotated by 90 degrees to realize locking, so that the tool can be removed, but the requirement of the knob on the machining precision of the box body is high, and a large space is required when the knob is manually rotated.

For example, chinese patent No. CN202122804765.9 discloses a liquid crystal display module which is easy to assemble, and the display module is fixedly installed in the form of a threaded rod, a movable block, etc. And is equivalent to a screw locking mode.

Disclosure of Invention

The utility model provides the lock catch for solving the technical defects, which can realize the quick connection between the display module and the box body and improve the convenience of disassembly and assembly of the display module.

The utility model discloses a lock catch, which comprises a lock catch seat, wherein the lock catch seat is fixed on a display module, two connecting plates are arranged on the lock catch seat, a gap is reserved between the connecting plates, a pair of corresponding through holes are arranged on the two connecting plates, a lock shaft is arranged in the through holes, two curve lock parts are arranged on the lock shaft between the two connecting plates, an elastic mechanism is arranged between the two curve lock parts, one ends of the two curve lock parts are outwards unfolded by the elastic mechanism, the outer side walls of the curve lock parts are arc-shaped, the maximum distance between the outer side walls of the two curve lock parts after being unfolded is larger than the width of a connecting hole matched with the lock catch seat on a box body, and the maximum distance between the outer side walls of the two curve lock parts after being contracted is smaller than the width of the connecting hole matched with the lock catch seat on the box body.

As optimization, the elastic mechanism is a torsion spring, the torsion spring is sleeved on the lock shaft, and two ends of the torsion spring respectively prop against the two curve lock components.

Preferably, a locking handle is arranged at the end of the curved locking component far away from one end of the locking seat.

As optimization, baffle plates are protruded on the opposite surfaces of the curve lock parts, when the two curve lock parts are unfolded outwards, the two baffle plates are mutually attached and abutted, a chamfer angle is arranged between the end parts of the baffle plates to form a V-shaped opening, and an unlocking hole is arranged on a lock catch seat at the corresponding position of the V-shaped opening.

As optimization, both sides of the lock catch seat are provided with connecting lugs, and the connecting lugs are provided with mounting holes for penetrating bolts.

According to the lock catch, the lock catch seat is fixed on the display module, the connecting hole is correspondingly formed in the box body, the lock catch can directly penetrate through the connecting hole, the arc-shaped outer side wall of the curve lock part is used for clamping, the locking state of the curve lock part is kept by the torsion spring, and the lock catch is convenient to install and use and stable and firm in connection. And the lock handle can be more convenient for the disassembly and assembly of the subsequent maintenance, and the disassembly and assembly of the front maintenance of the display module can be realized due to the arrangement of the unlocking hole and the baffle.

Drawings

FIG. 1 is a schematic view of a latch according to the present utility model;

FIG. 2 is an exploded view of the latch of the present utility model;

FIG. 3 is a schematic cross-sectional view of the present utility model in a locked state during pre-boot maintenance;

FIG. 4 is a schematic cross-sectional view of the utility model in an unlocked state for pre-boot maintenance;

FIG. 5 is a schematic diagram showing the structure of the connection between the display module and the case via the latch;

FIG. 6 is a schematic cross-sectional view of the latch of FIG. 5;

FIG. 7 is an enlarged partial schematic view of FIG. 6;

fig. 8 is a schematic diagram of the principle of locking mechanics of the latch on the case of the present utility model.

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. 1-7, the utility model discloses a lock catch, which comprises a lock catch seat 1, wherein the lock catch seat 1 is fixed on a display module 17, two connecting plates 2 are arranged on the lock catch seat 1, a gap exists between the connecting plates 2, a pair of corresponding through holes 11 are arranged on the two connecting plates 2, a lock shaft 3 is arranged in the through holes 11, two curve lock parts 4 are arranged on the lock shaft 3 between the two connecting plates 2, an elastic mechanism is arranged between the two curve lock parts 4, one ends of the two curve lock parts 4 are outwards unfolded by the elastic mechanism, the outer side walls of the curve lock parts 4 are arc-shaped, the maximum distance between the outer side walls of the two curve lock parts 4 after being unfolded is larger than the width of a connecting hole 15 matched with the lock catch seat 1 on a box 14, and the maximum distance between the outer side walls of the two curve lock parts 4 after being contracted is smaller than the width of the connecting hole 15 matched with the lock catch seat 1 on the box 14.

The specific structure of the latch base 1 is not limited, the connecting plate 2 and the latch base 1 may be an integral structure, the latch shaft 3 provided on the connecting plate 2 is rotatably connected with two curved latch components 4, and after the curved latch components 4 are matched, two sides respectively form an arc-shaped outer side wall. When the two curve lock parts 4 are unfolded, the distance between the arc-shaped outer side walls on the two sides is larger, the connecting hole 15 on the box body 14 can be buckled, and when the display module 17 is required to be detached from the box body 14, the curve lock parts 4 are only required to be rotated by overcoming the pressure of the torsion spring 9, so that the distance between the arc-shaped outer side walls of the two curve lock parts 4 is reduced, namely, the disconnection is realized between the arc-shaped outer side walls and the connecting hole 15 of the box body 14, and the disassembly and the assembly between the display module and the box body 14 are convenient.

The elastic mechanism is a torsion spring 9, the torsion spring 9 is sleeved on the lock shaft 3, and two ends of the torsion spring 9 respectively prop against the two curve lock parts 4. The elastic mechanism is preferably a torsion spring 9, the torsion spring 9 can be sleeved on the lock shaft 3, and the action of the torsion spring 9 is always stable and reliable in the rotating process of the curve lock part 4. Of course, other products such as springs can be used, and two ends of the springs directly support against the two curved lock parts 4.

A locking handle 5 is provided at the end of the curved locking member 4 remote from the end of the locking socket 1. The curved lock part 4 can be rotated manually more conveniently by the arrangement of the lock handle 5, and the two curved lock parts 4 can be operated by one hand to rotate simultaneously, so that the unlocking is more convenient during the post-maintenance.

As shown in fig. 3 and 4, the baffle plates 10 are protruded on the opposite surfaces of the curved lock parts 4, when the two curved lock parts 4 are unfolded outwards, the two baffle plates 10 are mutually attached and abutted, a chamfer is arranged between the end parts of the baffle plates 10 to form a V-shaped opening 13, and an unlocking hole 12 is arranged on the lock catch seat 1 corresponding to the V-shaped opening 13. The tubular structure 8 can extend on the latch base 1 at the corresponding position of the unlocking hole 12, and the structure provides convenience for front maintenance. Only a thinner rod body 16 is needed to be inserted into the unlocking hole 12, at the moment, the end part of the rod body 16 can reach the V-shaped opening 13, and the baffle 10 can be spread by continued insertion, so that the two curve lock parts 4 are correspondingly rotated, the curve lock parts 4 shrink in the rotation process, and the curve lock parts 4 are released from the connecting hole 15 of the box body 14.

The both sides of hasp seat 1 are provided with engaging lug 6, are provided with the mounting hole 7 of wearing to establish the bolt on the engaging lug 6.

As shown in fig. 8, the stress of the self-locking points on the curve lock is respectively: the whole pressure Fn of the box body 14 to the box body, the friction force Fm of the box body 14 to the curve lock and the torsion force Ft generated by the spring torque ensure that the torsion force Fm and Ft is larger than the torsion force Fn in design, and the lock catch can be ensured to be locked, so that the lock catch cannot be opened. The module can be installed by direct pressing in during installation, the direction of Fm is opposite during pressing in, the lock catch can be freely opened, and when the module is pressed in and the module is separated, fm can be automatically reversed, so that self-locking is realized, the module can not fall off, the lock catch can be ensured to be always in a self-locking state through pressure angle design, and the module can not fall off.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element 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 utility model. 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 utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present utility model, 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 above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, 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, as well as the first and second features not being in direct contact but being in contact with each other through 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 shackle, characterized by: including the hasp seat, the hasp seat is fixed in on the display module assembly, is provided with two connecting plates on the hasp seat, has the clearance between the connecting plate, is provided with a pair of through-hole of corresponding on two connecting plates, is provided with the lock axle in the through-hole, is provided with two curve lock parts on the lock axle between two connecting plates, is provided with elastic mechanism between two curve lock parts, elastic mechanism is outwards expanded two curve lock parts's one end, and curve lock parts's lateral wall is the arc, and the maximum interval after two curve lock parts's lateral wall expansion is greater than the width of the connecting hole with hasp seat complex on the box, and the maximum interval after two curve lock parts's lateral wall shrink is less than the width of the connecting hole with hasp seat complex on the box.

2. A latch according to claim 1, wherein: the elastic mechanism is a torsion spring, the torsion spring is sleeved on the lock shaft, and two ends of the torsion spring respectively prop against the two curve lock components.

3. A shackle as defined by claim 1 or 2, wherein: the end of the curve lock part far away from one end of the lock catch seat is provided with a lock handle.

4. A shackle as defined by claim 3 wherein: the two curved lock parts are mutually attached and abutted when being unfolded outwards, a chamfer is arranged between the end parts of the two baffle plates to form a V-shaped opening, and an unlocking hole is arranged on a lock catch seat at the position corresponding to the V-shaped opening.

5. A latch according to claim 1, wherein: the both sides of hasp seat are provided with the engaging lug, are provided with the mounting hole of wearing to establish the bolt on the engaging lug.