CN219012273U - Door lock locking mechanism - Google Patents

Abstract

The utility model is suitable for door lock technology, and provides a door lock locking mechanism which is arranged between a box body and a door body of a refrigerated cabinet and comprises a handle module and a limiting shaft hole arranged on the surface of the door body, wherein the handle module comprises: a fixing plate installed in the case; the pressing plate is connected to the fixing plate and is in contact connection with the surface of the door; a handle connected with the pressing plate; the lock shaft assembly arranged on one side surface of the pressing plate close to the door body is matched with the limiting shaft hole to lock the door body to the box body. The handle module arranged in the box body is matched with the limiting shaft hole arranged on the door body, a rotating assembly and an elastic assembly are not needed, the structure of the device is simplified, the device is more convenient and convenient to use, the service efficiency of the device is improved, meanwhile, the related locking assembly is reduced to reduce the cost of the device, the consumable assembly is reduced, the later maintenance cost of the device is reduced, and the durability of the locking mechanism is improved.

Description

Door lock locking mechanism

Technical Field

The utility model belongs to the technical field of door locks, and particularly relates to a door lock locking mechanism.

Background

At present, the following door lock scheme is mainly adopted in the common use of commercial refrigerated cabinets in the following two modes; mode one: the door lock is locked on the front surface of the box body, the lock shaft is matched in the box body, and the lock nose is arranged at the bottom of the box body. When the door is opened, a key is inserted into the lock hole, and the key is turned at the same time; so that the lock shaft is separated from the lock shaft, and the aim of unlocking and opening the door is fulfilled. The structure has complicated working procedures during installation, a plurality of matched structures, and the door can be opened only by multi-part linkage during door opening; mode two: the door lock is fixed on the side part of the box body, the side part of the box body is matched with a lock nose, and the main structure of the door lock consists of a handle, the lock nose and a lock tongue; when the door is opened, the handle is pulled first, so that the spring fixed on the inner shaft of the handle deforms, the lock tongue on the side part of the handle is separated from the lock nose, the door is opened, the inner shaft of the handle can drive the spring to deform after rotating, the structure is complex, the elastic component is required to be maintained at a certain cost, the size chain of the door opening of the box body is limited, the installation size of each part of the handle is strict, and the equipment cost is high.

Disclosure of Invention

The utility model provides a door lock locking mechanism, which aims to solve the problems of complex matched structure and high equipment cost of the existing refrigerator door lock.

The utility model is realized in this way, a door lock locking mechanism, which is installed between the refrigerator body and the door body, comprises a handle module and a limiting shaft hole arranged on the surface of the door body, the handle module comprises: a fixing plate installed in the case; the pressing plate is connected to the fixing plate and is in contact connection with the surface of the door; a handle connected with the pressing plate; the lock shaft assembly arranged on one side surface of the pressing plate close to the door body is matched with the limit shaft hole to limit and lock the door body on the box body.

Preferably, a rectangular mounting groove is formed in the end face, close to one side of the door body, of the box body, and the fixing plate is assembled in the mounting groove.

Preferably, the mounting groove and the limiting shaft hole are arranged at the same horizontal height.

Preferably, the limiting shaft hole is arranged on a plane in contact connection between the door body and the pressing plate;

preferably, the limiting shaft hole is a cylindrical groove;

preferably, the lock shaft assembly is composed of three parts, namely a connecting part, a supporting part and a tip part; the connecting part is connected between the supporting part and the pressing plate, and the tip end part is arranged at the bottom end of the supporting part;

preferably, the tip end part and the door body contact end surface are arc-shaped; the pointed end part of the cambered surface is adopted to reduce impact force in the contact process of the door body, so that loss is reduced in the process that the lock shaft assembly enters the limiting shaft hole in the door body;

preferably, the handle is provided with an oval opening, so that the manual operation of an operator is facilitated.

Preferably, the outer surface of the box body is provided with a screw hole penetrating through the mounting groove, and a fixing plate assembled in the mounting groove is fixedly connected with the box body through a countersunk screw.

Preferably, a sliding rail is arranged between the support and the clamping tongue, the clamping tongue which is in sliding connection with the support is fixedly connected with a spring component arranged at the tail end of the clamping tongue, and the other end of the spring component is fixedly connected with the inner wall of the groove;

compared with the prior art, the embodiment of the application has the following main beneficial effects:

1. the door lock locking mechanism provided by the utility model is arranged in the box body through the handle module, the handle module is rotated by utilizing the hinge structure of the box body, the rotating components of the locking mechanism are reduced, the consumable components are reduced, the later maintenance cost of equipment is reduced, and the durability of the locking mechanism is improved.

2. The door lock locking mechanism provided by the utility model is matched with the limiting shaft hole arranged on the door body through the handle module, an elastic component is not needed, the locking requirement is simply solved, the equipment structure is simplified, the cost is low, the use is more convenient and quick, the use efficiency of the equipment is improved, and meanwhile, the cost of the equipment is reduced by reducing the related locking component.

Drawings

Fig. 1 is a schematic structural view of a door lock locking mechanism according to the present utility model.

Fig. 2 is a schematic diagram of an internal structure of a door lock locking mechanism according to the present utility model.

Fig. 3 is a schematic view of a handle module of a door lock locking mechanism according to the present utility model.

Fig. 4 is a schematic structural view of a middle lock shaft assembly of a door lock locking mechanism according to the present utility model.

Detailed Description

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the applications herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having" and any variations thereof in the description and claims of the present application and in the description of the figures above are intended to cover non-exclusive inclusions. The terms first, second and the like in the description and in the claims or in the above-described figures, are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

The embodiment of the present utility model provides a door lock locking mechanism, as shown in fig. 1 to 4, which is installed between a case 310 and a door 320, and includes a handle module 100 and a limiting shaft hole 200 provided on a surface of the door 320, wherein the handle module 100 includes: a fixing plate 110 installed in the case 310; a pressing plate 120 connected to the fixing plate 110 and in contact with the surface of the door body 320; a handle 130 connected to the pressing plate 120; wherein, the lock shaft assembly 140 arranged on one side surface of the pressing plate 120 close to the door body 320 is matched with the limiting shaft hole 200 to lock the box body 310 to the door body 320;

in this embodiment, the door lock locking mechanism is mainly applied to a single door structure of a refrigerator, the box 310 and the door 320 are components of the refrigerator, a sealing component 330 is disposed between the box 310 and the door 320, and the sealing function of the box 310 and the door 320 is assumed to avoid heat loss; a hinge device is arranged between the box body 310 and the door body 320, and the door lock locking mechanism cannot be arranged on the side of the box body, on which the hinge device is arranged; the locking device can be arranged on the adjacent surface of the side of the box body provided with the hinge device or on the opposite surface of the side of the box body provided with the hinge device, and is mainly applied to locking between the box body 310 and the door body 320;

in this embodiment, the fixing plate 110 is assembled in a rectangular mounting groove formed on the end surface of the side of the case 310 close to the door 320, and the mounting groove parallel to the outer surface of the case 310 is at the same level as the limiting shaft hole 200; the fixing plate 110, the pressing plate 120 and the handle 130 can be processed by using a high-strength PC/ABS alloy integrated molding technology, and the connection between different component structures can be processed by using the prior art;

in this embodiment, the limiting shaft hole 200 is disposed on a plane where the door body 320 is in contact with and connected to the pressing plate 120, the limiting shaft hole 200 is a cylindrical groove, so as to improve impact strength of the limiting shaft hole 200, and by means of rotation of the door body 320, the lock shaft assembly 140 on the handle module 100 slides into the groove to lock with the limiting shaft hole 200 in the groove, and the limiting shaft hole 200 is rigidly connected to the lock shaft assembly 140, so that application of the spring assembly is reduced, durability of the device is improved, and deactivation of the spring assembly easily occurs after long-term use is avoided;

in this embodiment, the handle module 100 installed in the case 310 rotates synchronously with the case 310 of the refrigerator, the door 320 rotates to a designated position by means of the hinge device of the door 320, and then the handle module 100 contacts with the limiting shaft hole 200 of the door 320, after the handle module 100 reaches the inside of the limiting shaft hole 200, the limiting shaft hole 200 realizes limiting and locking of the locking shaft assembly 140 on the handle module 100, and the locking action between the door 320 and the case 310 is completed; when the locking is required to be released, the handle 130 on the handle module 100 is lifted, the lock shaft assembly 140 on the pressing plate 120 is separated from the limit shaft hole 200, and the limit locking on the door body 320 is released after the door body 320 is rotated;

the rotation component of the locking structure is reduced through the rotation action of the door body 320, so that the damage of the locking structure caused by mechanical fatigue generated under the long-term rotation action after the rotation component of the locking structure is adopted is avoided, the use of accessories which are easy to damage is reduced, and the maintenance cost of the refrigerated cabinet is reduced;

in a further preferred embodiment of the present utility model, the outer surface of the case 310 is provided with a screw hole penetrating through the installation groove, and the fixing plate 110 assembled in the installation groove is fixedly connected with the case 310 by a countersunk screw;

in a further preferred embodiment of the present utility model, the lock shaft assembly 140 is composed of three parts, namely a connection part 141, a supporting part 142 and a tip part 143; the connecting portion 141 is connected between the supporting portion 142 and the pressing plate 120, and the tip portion 143 is disposed at the bottom end of the supporting portion 142; the connecting part 141 is in a cylindrical structure, the supporting part 142 is in an inclined plane structure, the shape between the connecting part 141 and the supporting part 142 is similar to an inclined plane cylinder, and the tip part 143 is arranged at the tip end of the supporting part 142 and is in a round angle structure;

in this embodiment, the connecting portion 141 provides a connecting force with the pressing plate 120 for the lock shaft assembly 140, when the door body 320 rotates, the supporting portion 142 directly collides with the door body 320, the inclined surface of the supporting portion 142 generates an upward pushing force under the pushing of the door body 320, so that the pressing plate 120 on the top of the connecting portion 141 can be pushed to deform, and the lock shaft assembly 140 and the pressing plate 120 are integrally deflected upwards, so that the handle module 100 can slide into the limiting shaft hole 200 in the door body 320 more easily, the impact force is reduced in the contact process of the door body 320 due to the tip portion 143 of the cambered surface rounded corner structure, and the loss is reduced in the process of the lock shaft assembly 140 entering the limiting shaft hole 200 in the door body 320;

it should be noted that, for simplicity of description, the foregoing embodiments are all illustrated as a series of acts, but it should be understood by those skilled in the art that the present utility model is not limited by the order of acts, as some steps may be performed in other order or concurrently in accordance with the present utility model. Further, those skilled in the art will also appreciate that the embodiments described in the specification are all preferred embodiments, and that the acts and modules referred to are not necessarily required for the present utility model.

The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model. It will be apparent that the described embodiments are merely some, but not all, embodiments of the utility model. Based on these embodiments, all other embodiments that may be obtained by one of ordinary skill in the art without inventive effort are within the scope of the utility model. Although the present utility model has been described in detail with reference to the above embodiments, those skilled in the art may still combine, add or delete features of the embodiments of the present utility model or make other adjustments according to circumstances without any conflict, so as to obtain different technical solutions without substantially departing from the spirit of the present utility model, which also falls within the scope of the present utility model.

Claims (9)

1. The utility model provides a lock locking mechanical system installs between the box of freezer and door body, its characterized in that includes the handle module and locates the spacing shaft hole on door body surface, the handle module includes:

a fixing plate installed in the case;

the pressing plate is connected with the fixing plate and is in contact connection with the surface of the door;

a handle connected to the platen;

the lock shaft assembly is arranged on one side surface of the pressing plate, close to the door body, and is matched with the limiting shaft hole to limit and lock the door body on the box body.

2. The door lock locking mechanism as claimed in claim 1, wherein a rectangular mounting groove is provided in an end face of the case body adjacent to the door body side, and the fixing plate is fitted in the mounting groove.

3. A door lock locking mechanism as claimed in claim 2, wherein said mounting slot is at the same level as the spacing shaft aperture.

4. A door lock locking mechanism according to claim 3, wherein the limiting shaft hole is provided in a plane in contact connection between the door body and the pressing plate.

5. The door lock locking mechanism as claimed in claim 4, wherein the limiting shaft hole is a cylindrical recess.

6. The door lock locking mechanism as claimed in claim 5, wherein the lock shaft assembly is composed of three parts, namely a connection part, a supporting part and a tip part; the connecting part is connected between the supporting part and the pressing plate, and the tip end part is arranged at the bottom end of the supporting part.

7. The door lock locking mechanism as set forth in claim 6, wherein said tip portion and said door body contact end face are arcuate.

8. A door lock locking mechanism as claimed in claim 7 wherein said handle is provided with an oval opening.

9. The door lock locking mechanism as claimed in claim 8, wherein the outer surface of the case is provided with a screw hole penetrating the installation groove, and the fixing plate fitted in the installation groove is fixedly coupled to the case by a countersunk screw.

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