Case lock catch

Abstract

The utility model discloses a case lock catch which comprises a fixing plate, the fixing plate is installed on a case, a lock catch plate is rotatably installed on one side of the fixing plate through a torsional spring, and when the torsional spring is completely reset, the lock catch plate is perpendicular to the fixing plate and acts on a turning plate installed on the case; the side face, provided with the lock catch plate, of the fixing plate is provided with a lock catch installation part, the lock catch installation part is provided with a groove, the upper portion of the lock catch plate is provided with a connecting part, the two ends of the connecting part are provided with cylindrical rotating parts, the rotating parts are inserted into the groove, and the torsional spring is arranged on the rotating parts in a sleeved mode. The opening side of the groove is provided with a connecting plate used for limiting the rotating part in the groove, and the connecting plate is connected with the lock catch installation part through a screw. According to the utility model, on the basis of not changing the original case, the turning cover can be locked, and the turning cover is prevented from being opened due to shaking.

Description

TECHNICAL FIELD

[0001] The utility model relates to a lock catch, in particular to a machine case lock catch. BACKGROUND

[0002] In the field of modern aviation, as a key equipment, the machine case is widely used in the installation of module boxes and the accommodation of various items, and its design is crucial for ensuring the normal operation of aviation equipment and the safe storage of items.

[0003] At present, in order to realize overall opening, facilitate the installation, maintenance and taking and placing of internal items, a flip cover structure is usually arranged at the opening end of the machine case. Through the opening of the flip cover, sufficient operation space is provided for the operator to efficiently complete the relevant tasks. The installation mode of the flip cover usually adopts a hinge with damping function, which ingeniously utilizes the damping characteristics to enable the flip cover to stably stay at a specific angle after being opened, without the need for artificial continuous support, greatly improving the convenience and safety of operation. The operator can easily check, maintain or take and place the items in the machine case in the flip cover opening state, effectively improving the work efficiency.

[0004] However, in this special application environment of the aviation field, the machine case faces many complex and severe challenges. During the process of aviation flight, it is inevitable to encounter various degrees of shaking and vibration. Especially when the machine case is in a shaking state, the internal items may press the flip cover due to inertia. This pressing effect will gradually accumulate and amplify under continuous or severe shaking, and may eventually affect the closed state of the flip cover. Specifically, the flip cover may gradually loosen due to continuous pressing, and even appear to be not tightly closed. Once the flip cover cannot be tightly closed, the internal items of the machine case will have the risk of falling out, which will pose a serious threat to the normal operation of the aviation equipment and the integrity of the items.

[0005] Especially in the field of aviation, due to the complexity and unpredictability of the flight environment, the risk of opening the machine case in a shaking environment is particularly prominent. Once the flip cover is not tightly closed due to the pressing of the internal items, the possibility of item falling out will significantly increase, which not only may cause damage or loss of the items, but also may interfere with the normal operation of the aviation equipment, and even cause safety hazards. INVENTION CONTENTS

[0006] Therefore, in order to solve the above problems, the utility model provides a machine case lock catch, which can realize the locking of the flip cover without changing the original machine case, and prevent the flip cover from being opened due to shaking.

[0007] Specifically, a chassis latch includes a fixing plate, which is installed on the chassis. A latch plate is rotatably installed on one side of the fixing plate via a torsion spring. When the torsion spring is fully reset, the latch plate is perpendicular to the fixing plate and acts on a flap installed on the chassis.

[0008] The side of the mounting plate of the fixed plate has a locking mounting part with a groove. The upper part of the locking plate has a connecting part and cylindrical rotating parts at both ends of the connecting part. The rotating parts are inserted into the groove and the torsion spring is fitted onto the rotating parts.

[0009] The groove has an opening side with a connecting plate for limiting the rotating part within the groove, and the connecting plate is connected to the locking mounting part by screws.

[0010] Optionally, the lower end of the latching plate is provided with a pressing part extending toward the fixing plate.

[0011] Optionally, the length of the pressing portion is not less than the thickness of the locking mounting portion.

[0012] Optionally, the locking plate has side grooves on both sides to limit the rotation of the torsion spring.

[0013] Optionally, the connecting plate can be two independent baffles or a single unit;

[0014] When the connecting plate consists of two independent baffles, the baffles are fixedly installed at the opening end of the groove by screws;

[0015] When the connecting plate is a single unit, both ends are blocking parts used to limit the rotation of the part.

[0016] This utility model has the following advantages:

[0017] This utility model is a chassis lock, applicable to aircraft chassis, especially aircraft chassis with flip-tops. Without altering the overall structure of the chassis, it locks the flip-top to prevent items inside the chassis from falling out when the chassis shakes.

[0018] The design incorporates a fixed plate and a latching plate. The fixed plate is secured to the chassis by screws, adhesive, or magnetic attraction, while the latching plate presses against the flip cover. The latching plate is mounted to the fixed plate via a torsion spring, which provides preload to the latching plate through the spring's restoring deformation capability, ensuring sufficient locking force on the flip cover. Attached Figure Description

[0019] Figure 1 This is a three-dimensional schematic diagram of the chassis latch described in this utility model;

[0020] Figure 2This is a three-dimensional structural diagram of the chassis latch after the connecting plate is disassembled according to this utility model;

[0021] Figure 3 This is a front view schematic diagram of the chassis latch described in this utility model;

[0022] Figure 4 yes Figure 3 Sectional view of AA;

[0023] Figure 5 This is a schematic diagram showing the usage state of the chassis latch described in this utility model;

[0024] Figure 6 This is a three-dimensional schematic diagram of the locking plate described in this utility model;

[0025] Figure 7 This is a three-dimensional schematic diagram of the fixing plate described in this utility model;

[0026] In the diagram: 100, fixing plate; 101, latch mounting part; 102, groove; 200, latch plate; 201, connecting part; 202, rotating part; 203, pressing part; 204, side groove; 300, connecting plate; 400, torsion spring; 500, chassis; 600, flip cover. Detailed Implementation

[0027] The embodiments of this application are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this application, and should not be construed as limiting this application.

[0028] In this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, without necessarily requiring or implying any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus.

[0029] As described in the background section, in the unique application environment of aviation, the chassis faces numerous complex and stringent challenges. During flight, various degrees of shaking and vibration are inevitable. Especially when the chassis is shaking, internal items may be compressed by inertia, potentially affecting the hinged lid. This compression, under continuous or severe shaking, gradually accumulates and amplifies, eventually impacting the lid's closure. Specifically, the lid may gradually loosen due to continuous compression, or even fail to close properly. If the lid cannot close tightly, there is a risk of internal items falling out, posing a serious threat to the normal operation of the aviation equipment and the integrity of the items.

[0030] Especially in the aviation field, due to the complexity and unpredictability of the flight environment, the risk of the chassis opening under turbulent conditions is particularly prominent. Once the flap fails to close properly due to the compression of internal items, the possibility of items falling out increases significantly. This could not only lead to damage or loss of items, but also interfere with the normal operation of aviation equipment, and even cause safety hazards.

[0031] Based on the above situation, such as Figures 1-7 As shown, this embodiment provides a chassis latch, including a fixing plate 100, which is installed on the chassis 500 by means of screws, adhesive or magnetic attraction. A latch plate 200 is rotatably installed on one side of the fixing plate by a torsion spring 400. When the torsion spring 400 is fully reset, the latch plate 200 is perpendicular to the fixing plate 100 and acts on the flip plate 600 installed on the chassis.

[0032] The fixing plate 100 has a latch mounting part 101 on the side of the latch plate, and the latch mounting part has a groove 102. The upper part of the latch plate 200 has a connecting part 201, and there are cylindrical rotating parts 202 at both ends of the connecting part. The rotating parts 202 are inserted into the groove 102, and the torsion spring is fitted onto the rotating parts.

[0033] The groove opening side is provided with a connecting plate 300 for limiting the rotating part within the groove, and the connecting plate is connected to the locking mounting part by screws.

[0034] The aforementioned technical features enable the flip cover to be locked without altering the overall structure of the chassis, preventing items inside the chassis from falling out when the chassis shakes. In use, the fixing plate is secured to the chassis, and the locking plate, under the action of a torsion spring, presses against the flip cover. To open the flip cover, the operator moves the locking plate to release its pressure on the cover, allowing the flip cover to be opened.

[0035] To better provide clamping force to the flip cover, in one embodiment, the lower end of the latching plate 200 is provided with a pressing portion 203 extending towards the fixing plate. The length of the pressing portion is not less than the thickness of the latch mounting portion. By extending the pressing portion, it can be pressed against the flip cover in advance, so that the flip cover can be locked even if the main body of the latching plate does not contact the flip cover. Furthermore, a pressing groove adapted to the pressing portion can be provided on the flip cover.

[0036] In order to better limit the extension foot of the torsion spring end, in one embodiment, the locking plate is provided with side grooves 204 on both sides for limiting the rotation of the torsion spring.

[0037] To allow the rotating part to be quickly installed and removed in the groove, in one embodiment, the connecting plate is either two independent baffles or a single unit; when the connecting plate is two independent baffles, the baffles are fixedly installed at the opening end of the groove by screws; when the connecting plate is a single unit, both ends are blocking parts for limiting the rotating part.

[0038] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A chassis latch, characterized in that: Includes a fixing plate, which is installed on the chassis. A locking plate is rotatably installed on one side of the fixing plate by a torsion spring. When the torsion spring is fully reset, the locking plate is perpendicular to the fixing plate and acts on the flip plate installed on the chassis. The side of the mounting plate of the fixed plate has a locking mounting part with a groove. The upper part of the locking plate has a connecting part and cylindrical rotating parts at both ends of the connecting part. The rotating parts are inserted into the groove and the torsion spring is fitted onto the rotating parts. The groove has an opening side with a connecting plate for limiting the rotating part within the groove, and the connecting plate is connected to the locking mounting part by screws.

2. The chassis latch according to claim 1, characterized in that: The lower end of the latch plate is provided with a pressing part extending toward the fixing plate.

3. The chassis latch according to claim 2, characterized in that: The length of the pressing part is not less than the thickness of the latch mounting part.

4. A chassis latch according to claim 1 or 2, characterized in that: The locking plate has side grooves on both sides to limit the rotation of the torsion spring.

5. The chassis latch according to claim 2, characterized in that: The connecting plate can be two independent baffles or a single unit; When the connecting plate consists of two independent baffles, the baffles are fixedly installed at the opening end of the groove by screws; When the connecting plate is a single unit, both ends are blocking parts used to limit the rotation of the part.

Images