CN111469738A

CN111469738A - Door lock device and vehicle-mounted refrigerator

Info

Publication number: CN111469738A
Application number: CN202010385881.9A
Authority: CN
Inventors: 张永刚; 罗舟明; 浜口今辅
Original assignee: Guangdong Indel B Enterprise Co Ltd
Current assignee: Guangdong Indel B Enterprise Co Ltd
Priority date: 2020-05-09
Filing date: 2020-05-09
Publication date: 2020-07-31

Abstract

The invention relates to a door lock device and a vehicle-mounted refrigerator, comprising: the handle is provided with at least two buckling tongues which are arranged at intervals along the length direction of the refrigerator door; the refrigerator door lock comprises at least two lock tongue assemblies, wherein the at least two lock tongue assemblies are arranged on a refrigerator door in a telescopic mode at intervals, each lock tongue assembly is provided with a buckling position, the buckling positions and the buckling tongues are buckled in a one-to-one correspondence mode, and the lock tongues can be inserted into preset lock holes in the refrigerator in a one-to-one correspondence mode or can be pulled out of the lock holes under the driving of a handle. Each group of buckling positions and the buckling tongues are buckled to form a locking and connecting point position, namely at least two groups of buckling positions and the buckling tongues can form at least two locking and connecting point positions which are distributed at intervals in the length direction of the refrigerator door, the strength of the refrigerator door can be greatly improved by means of the at least two locking and connecting point positions, the refrigerator door can be prevented from being deformed when the refrigerator door is subjected to temperature change or external force impact, no gap can be generated between the refrigerator door and the refrigerator after the refrigerator door is closed, the cold leakage problem can be prevented, and the use performance and the reliability of the vehicle-mounted refrigerator can be.

Description

Door lock device and vehicle-mounted refrigerator

Technical Field

The invention relates to the technical field of door locks, in particular to a door lock device and a vehicle-mounted refrigerator.

Background

At present, more and more vehicles are equipped with a vehicle-mounted refrigerator, especially a long-distance large truck or truck, and the refrigeration function of the vehicle-mounted refrigerator can ensure that food is refrigerated and fresh-kept in the long-time driving process so as to improve the riding experience of drivers and passengers and meet the eating demand during riding. The on-vehicle refrigerator on present large truck or truck is installed in sleeper below and the size is generally great usually, owing to receive condition restrictions such as operating space, the lock mechanism who plays the locking effect on the refrigerator door needs to set up the both ends side position at length direction, so lead to the positive intensity disappearance of refrigerator door easily, when receiving temperature variation or external force striking and appearing deformation, appear the gap and have the cold leakage problem between door body upper edge and the box, lock mechanism function failure seriously influences on-vehicle refrigerator performance and reliability.

Disclosure of Invention

Based on this, it is necessary to provide a door lock device and on-vehicle refrigerator, aims at solving prior art deformation and produces the gap, leads to having the problem of leaking cold.

In one aspect, the present application provides a door lock device including:

the handle is movably arranged on the front surface of the refrigerator door and close to the upper edge, and is provided with at least two buckling tongues which are arranged at intervals along the length direction of the refrigerator door; and

the refrigerator door locking device comprises at least two locking bolt assemblies, wherein the locking bolt assemblies are arranged on the refrigerator door in a telescopic mode at intervals, each locking bolt assembly is provided with a buckling position, the buckling positions are buckled with the buckling bolts in a one-to-one correspondence mode, and the locking bolts can be inserted into preset locking holes in the refrigerator in a one-to-one correspondence mode or can be pulled out of the locking holes under the driving of the handle.

The door lock device is applied to the vehicle-mounted refrigerator and used for improving the sealing level of the closed refrigerator door and the closed refrigerator door so as to prevent the cold leakage problem caused by the gap generated between the refrigerator door and the refrigerator matching surface due to deformation. Particularly, during the use, at first with handle movable mounting in the front of refrigerator door and be close to the upper edge position, later with at least two spring bolt subassemblies install respectively on the refrigerator door and guarantee scalable removal, guarantee simultaneously that the knot position of installation back handle can with detain the corresponding lock joint of tongue one-to-one. When the refrigerator needs to be opened, the operating handle moves, the buckling bolt buckles the buckling position to synchronously drive the lock tongue component to contract, and the lock tongue component is separated from being locked with the refrigerator, so that the refrigerator door can be normally opened; and when being in the locking state, because buckle tongue and spring bolt subassembly equipartition are put at the front of refrigerator door and are close to the top edge department, and simultaneously along the length direction interval arrangement of refrigerator door, the knot position of each group's looks lock joint all forms a lock joint position with the buckle tongue from this, two sets of at least lock joint positions that can form interval distribution on the refrigerator door length direction with the buckle tongue promptly, can improve the intensity of refrigerator door greatly with the help of these two at least lock joint positions, refrigerator door deformation appears when can preventing temperature variation or receiving external force striking, can not produce the gap with the refrigerator after the refrigerator door closes, can prevent to leak cold problem and take place, greatly improve on-vehicle refrigerator performance and reliability.

The technical solution of the present application is further described below:

in one embodiment, a matching groove is concavely formed on the front surface of the refrigerator door, a sliding hole communicated with the matching groove is formed on the upper edge of the refrigerator door, a mounting hole is formed on the groove wall of the matching groove, a rotating shaft is mounted at the end part of the handle, and the rotating shaft is inserted into the mounting hole; the bolt assembly comprises a bolt body, and the bolt body is slidably inserted into the sliding hole.

In one embodiment, the front surface of the refrigerator door is also concavely provided with a clearance concave part.

In one embodiment, a positioning surface is convexly arranged on the groove bottom of the matching groove in the direction of the handle, the handle is provided with a positioning rib, and the positioning rib is abutted against the positioning surface.

In one embodiment, the door lock device further comprises a mounting seat arranged on the bottom of the matching groove, the bolt assembly further comprises an elastic resetting piece, one end of the elastic resetting piece is connected with the mounting seat, and the other end of the elastic resetting piece is connected with the bolt body.

In one embodiment, the bolt body is provided with a lead-in surface.

In one embodiment, the bolt body is further provided with a locking surface arranged opposite to the guiding surface, and the locking surface is fastened with the hole wall of the lock hole.

In one embodiment, the mounting seat comprises a seat body, the seat body is provided with a limiting groove, a positioning column is arranged on the groove wall of the limiting groove, and the elastic resetting piece is sleeved on the positioning column.

In one embodiment, the mounting seat further comprises a reinforcing rib plate connected between the outer wall of the seat body and the wall of the mating groove.

In addition, the application also provides an on-vehicle refrigerator, which comprises the door lock device.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention.

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an in-vehicle refrigerator according to an embodiment of the invention;

FIG. 2 is a schematic view of a handle according to an embodiment of the present invention in an open position;

FIG. 3 is a schematic view of the structure of FIG. 2 from another perspective;

FIG. 4 is a schematic structural view of a handle in a closed state according to an embodiment of the present invention;

FIG. 5 is a schematic view of the structure of FIG. 4 from another perspective;

fig. 6 is an exploded view of a door lock device and a refrigerator door according to an embodiment of the present invention;

FIG. 7 is a schematic structural view of a handle according to an embodiment of the present invention;

fig. 8 is a schematic structural view of a bolt body according to an embodiment of the present invention;

fig. 9 is a schematic structural diagram of a door lock device according to an embodiment of the invention in a locked state;

fig. 10 is a schematic structural diagram of a door lock device according to an embodiment of the present invention in an unlocked state;

fig. 11 is a schematic structural view of a door lock device according to an embodiment of the present invention after unlocking a refrigerator door.

Description of reference numerals:

10. a handle; 11. a buckle tongue; 12. positioning ribs; 20. a refrigerator door; 21. a mating groove; 211. mounting holes; 212. positioning the surface; 22. a slide hole; 23. a rotating shaft; 24. a clearance recess; 30. a latch bolt assembly; 31. buckling; 32. a bolt body; 321. a lead-in surface; 322. a lock joint surface; 33. an elastic reset member; 40. a box body; 50. a box frame; 51. a lock hole; 60. a mounting seat; 61. a limiting groove; 62. a positioning column; 63. reinforcing rib plates; 70. a refrigeration system.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

As shown in fig. 1, an in-vehicle refrigerator is provided for the embodiment of the present application, and as the name suggests, the in-vehicle refrigerator is a mobile refrigeration device capable of being equipped for use in a motor vehicle and having the same function as a conventional refrigerator.

Specifically, the in-vehicle refrigerator includes a refrigerator, a refrigerator door 20, a refrigeration system 70, and a door lock device, as well as some auxiliary mechanisms. Specifically, the refrigerator in this embodiment includes a box body 40 and a box frame 50 installed at a front end of the box body 40 (the front end is an end close to a user), and a lower portion of the refrigerator door 20 is rotatably installed with a lower portion of the box frame 50 through a hinge assembly, so that the refrigerator door 20 can be opened or closed in a downward-turning manner, and the refrigerator door 20 and the refrigerator are assembled and connected. The refrigerator door 20 can close or open the entrance and exit of the refrigerator, and when the refrigerator door 20 closes the entrance and exit, the inner cavity of the refrigerator is in a closed state, so that the refrigerating effect is ensured.

The refrigeration system 70 is mounted to one side of the refrigerator, and may be, for example, in a left, right, top or bottom orientation. In the specific embodiment, the refrigeration system 70 is installed on the left side of the refrigerator, and the bottom of the refrigeration system 70 is connected with the installation bottom plate in a matching manner, so that the whole vehicle-mounted refrigerator can be installed and fixed inside a vehicle. As will be readily appreciated, the refrigeration system 70 is identical to a conventional refrigeration system 70, with the primary functional components including, but not limited to, a compressor, a heat exchanger, a condenser, etc.

The refrigerator door 20 is provided with a display module and a manipulation module. The display module can display information such as current refrigerating temperature, time and the like. The control module can adjust the refrigeration temperature and the like so as to meet the storage requirements of different articles.

In this embodiment, the box 40, the box frame 50, and the refrigerator door 20 are rectangular. Of course, the box 40, the box frame 50 and the refrigerator door 20 may have other shapes or structures under the condition of satisfying the installation requirement, and the description thereof is omitted. And according to the user's demand, the box body 40, the box frame 50 and the refrigerator door 20 can be made of various materials, for example, in order to make the box body 40 have heat preservation capability and certain structural strength, it can be made of stainless steel material; the case frame 50 and the refrigerator door 20 may be made of plastic to reduce manufacturing costs.

With continuing reference to fig. 2-5 and 9-11, a door lock device is shown according to an embodiment of the present application, the door lock device includes: handle 10 and at least two latch bolt assemblies 30. The handle 10 is used for being movably arranged on the front surface of the refrigerator door 20 and close to the upper edge, and the handle 10 is provided with at least two buckling tongues 11 which are arranged at intervals along the length direction of the refrigerator door 20; at least two of the latch bolt assemblies 30 are arranged on the refrigerator door 20 in a spaced and telescopic manner, each latch bolt assembly 30 is provided with a buckling position 31, the buckling positions 31 are buckled with the buckling bolts 11 in a one-to-one correspondence manner, and each latch bolt can be inserted into a preset lock hole 51 on the refrigerator in a one-to-one correspondence manner or is pulled out from the lock hole 51 under the driving of the handle 10.

In summary, the following advantages will be achieved by implementing the technical scheme of the embodiment: the door lock device is applied to the vehicle-mounted refrigerator and used for improving the sealing level of the closed refrigerator door 20 and the closed refrigerator so as to prevent the cold leakage problem caused by the gap generated between the matching surfaces of the refrigerator door 20 and the refrigerator due to deformation. Specifically, when in use, the handle 10 is movably mounted on the front surface of the refrigerator door 20 near the upper edge, and then at least two latch bolt assemblies 30 are respectively mounted on the refrigerator door 20 and are ensured to move telescopically, and simultaneously, the buckling positions 31 of the handle 10 can be correspondingly buckled with the buckling bolts 11 one by one after mounting. When the refrigerator needs to be opened, the operating handle 10 moves, the buckling bolt 11 buckles the buckling position 31 to synchronously drive the bolt assembly 30 to contract, and the bolt assembly 30 is separated from being locked with the refrigerator, so that the refrigerator door 20 can be normally opened; and when being in the locking state, because buckle tongue 11 and spring bolt subassembly 30 equipartition are put at the front of refrigerator door 20 and are close to the top edge department, and simultaneously along refrigerator door 20's length direction interval arrangement, each group's knot position 31 of buckling mutually all forms a lock joint position with buckle tongue 11 from this, two sets of at least lock joint positions 31 and buckle tongue 11 can form two at least lock joint positions of interval distribution on the refrigerator door 20 length direction promptly, can improve refrigerator door 20's intensity greatly with the help of these two at least lock joint positions, refrigerator door 20 appears deforming when can preventing temperature variation or receiving external force striking, can not produce the gap with the refrigerator after refrigerator door 20 closes, can prevent that the cold problem of leaking from taking place, greatly improve on-vehicle performance refrigerator and reliability.

It can be understood that, under the condition that the manufacturing cost is not considered and the external operation space allows, the number of the latch bolts 11 and the latch bolt assemblies 30 can be arranged as much as possible, and the latch bolts 11 and the latch bolt assemblies 30 are reasonably distributed, so that the closing strength of the upper edge of the front surface of the refrigerator door 20 is further improved, the deformation inhibiting capability is further improved, the sealing level of the closed refrigerator door 20 and the refrigerator frame 50 is enhanced, and the problem of cold leakage is avoided.

Above-mentioned door lock device only includes that handle 10 and spring bolt subassembly 30 constitute, and the structural component is simple, and spare part is small in quantity, not only can realize falling originally, can realize lightweight design simultaneously, promotes to use and experiences.

It should be noted that, for a wide vehicle-mounted refrigerator, the length H of the refrigerator door 20 is ≧ 400mm, the distance L between the fastening positions 31 on two adjacent latch assemblies 30 (i.e. the distance between two adjacent fastening tongues 11) and the length of the refrigerator door 20 should be 0.3H ≤ L ≤ 0.75H.

Referring to fig. 6, in some embodiments of the present disclosure, a matching groove 21 is concavely formed on the front surface of the refrigerator door 20, the matching groove 21 is a rectangular groove cavity integrally formed on the front surface of the refrigerator door 20 by injection molding or machining, and the shape of the matching groove 21 is matched with the handle 10, and the length, width and depth dimensions of the matching groove 21 are slightly larger than the length, width and thickness dimensions of the handle 10, so that the handle 10 can be just embedded into the matching groove 21 when in a closed state, and the outer surface of the handle 10 is ensured to be flush or approximately flush with the notch of the matching groove 21, so that the appearance of the vehicle-mounted refrigerator looks neat and beautiful.

The upper edge of the refrigerator door 20 is provided with a sliding hole 22 communicated with the matching groove 21, the groove wall of the matching groove 21 is provided with a mounting hole 211, the end part of the handle 10 is provided with a rotating shaft 23, and the rotating shaft 23 is inserted into the mounting hole 211; the latch bolt assembly 30 includes a latch bolt body 32, and the latch bolt body 32 is slidably inserted into the slide hole 22. Preferably, the rotating shafts 23 are respectively installed at two ends of the handle 10 in the length direction, the mounting holes 211 are correspondingly formed in the two side groove walls of the handle 10 in the length direction, and the two rotating shafts 23 are respectively inserted into the two mounting holes 211 in a one-to-one correspondence manner, so that the handle 10 can be stably installed, and meanwhile, the handle 10 can be turned upwards by a certain angle under the action of the pulling force of a user, so that the lock tongue body 32 can be driven to descend by pressing the buckling position 31 through the buckling tongue 11, and the lock hole 51 can be separated, and the purpose of quick and labor-saving unlocking can be. Because the width and thickness value of the handle 10 are both small, even if the handle is turned upwards and arranged in an inclined manner, the handle does not occupy excessive space outside, has small requirement on operation space, and can be suitable for more places with narrow conditions.

With continued reference to fig. 6 and 7, in some embodiments, the bottom of the mating groove 21 is provided with a positioning surface 212 protruding toward the handle 10, and the positioning surface 212 is formed at the middle position of the mating groove 21 and is a rectangular plane. The handle 10 is provided with the positioning ribs 12, and the specific positioning ribs 12 are formed by connecting a plurality of ribs in a staggered manner to form a grid-shaped structure, so that the structural strength of the handle 10 can be increased, the handle is prevented from being broken when being frequently subjected to lifting and overturning operations of a user, and the handle 10 can be stably positioned by abutting the positioning ribs 12 against the positioning surface 212 when the handle 10 is in a closed state. In addition, the positioning rib 12 also plays a role of an anti-slip structure, so that the hand of the user does not slip when pulling the handle 10.

In addition, a clearance recess 24 is formed on the front surface of the refrigerator door 20. The recess 24 is formed right below the matching groove 21 and is also a groove-shaped structure, which can provide an operation space for a user's hand, so that the hand can normally lift the handle 10 upwards to turn over and open the door lock device, thereby unlocking the refrigerator door 20.

It is easy to understand that when the handle 10 is pulled outwards, the handle 10 turns upwards with the rotating shaft 23 as the rotating fulcrum, and the buckle tongue 11 at the inner side of the handle turns downwards correspondingly; the buckle tongue 11 can apply downward pressure to the lock tongue body 32 due to buckling the buckle position 31, so that the lock tongue body 32 can move downwards to exit from the lock hole 51, the refrigerator door 20 recovers the degree of freedom after losing the locking force and is used for further pulling the refrigerator door 20 outwards slightly with force, the refrigerator door 20 can be turned downwards and opened, and a user can take articles stored in the refrigerator.

In still other embodiments, the door lock device further includes a mounting seat 60 disposed on the bottom of the mating groove 21, the latch bolt assembly 30 further includes an elastic return element 33, one end of the elastic return element 33 is connected to the mounting seat 60, and the other end of the elastic return element 33 is connected to the latch bolt body 32. Based on this, when the refrigerator door 20 needs to be closed, the refrigerator door 20 can be pushed to rotate and approach the refrigerator, at this time, the bolt body 32 abuts against the box frame 50 and is abutted by the reaction of the box frame 50, the bolt body 32 retracts into the sliding hole 22 under the action of the reaction abutting thrust, so that the refrigerator door 20 can rotate to enter the box frame 50, and at this time, the elastic resetting piece 33 is compressed and deformed; after the sliding hole 22 is aligned with the locking hole 51, under the action of the elastic restoring member 33, the bolt body 32 is automatically pushed upward to be inserted into the locking hole 51, and the door lock device is locked again, thereby ensuring that the refrigerator door 20 is tightly closed and preventing the occurrence of cold leakage due to the gap.

Alternatively, the elastic restoring member 33 may be, but is not limited to, a spring, an elastic column, an elastic sheet, etc.

In order to make the latch body 32 retract under the reaction force of the box frame 50 when the refrigerator door 20 is closed, and at the same time make the latch body 32 be inserted into the lock hole 51 more easily and accurately under the elastic force of the elastic restoring member 33, in further embodiments, the latch body 32 is provided with a guide surface 321. Specifically, the introduction surface 321 is a slope formed facing the side of the refrigerator and inclined downward away from the refrigerator door 20. The slope may be a plane, an arc, a wave, etc.

Referring to fig. 8, in another embodiment, the bolt body 32 further has a locking surface 322 disposed opposite to the guiding surface 321, and the locking surface 322 is fastened to the hole wall of the locking hole 51. Thus, the lock interface 322 is fastened to the hole wall of the lock hole 51, so as to ensure that the bolt body 32 is stably inserted into the lock hole 51, so that the door lock device keeps a stable locking state, and the refrigerator door 20 is ensured to be tightly and reliably closed.

Further, in still other embodiments, the mount 60 includes a mount body. Specifically, the two seat bodies are respectively arranged on the left and right sides of the positioning surface 212, that is, the two seat bodies are respectively arranged near the two ends of the mating groove 21 in the length direction. The seat body is of a box-shaped structure, a first opening is formed in the upper end face of the seat body facing the sliding hole 22, and a second opening communicated with the first opening is formed in one side of the seat body facing the handle 10. Wherein, the first open setting can make the bolt body 32 unblock retract in the seat body, provides the space of letting back that holds the bolt body 32. The second opening is configured to allow the latch 11 to pass through and engage with the latch 31 when the handle 10 is closed.

Referring to fig. 6, the inner cavity of the seat body is formed as a limiting groove 61, a positioning column 62 is disposed on a groove wall of the limiting groove 61, and the elastic restoring member 33 is sleeved on the positioning column 62. So, elasticity resets and can guarantee through the suit that the installation is more firm on reference column 62, and reference column 62 can play direction and constraint effect to the flexible deformation of elasticity piece 33 that resets.

In addition, in some other embodiments, the mounting seat 60 further includes a reinforcing rib 63, and the reinforcing rib 63 is connected between the outer wall of the seat body and the wall of the mating groove 21. Specifically, the reinforcing rib plates 63 include four groups, and two groups of reinforcing rib plates 63 are respectively disposed on the left and right sides of one of the seat bodies, so that two groups of reinforcing rib plates 63 are respectively disposed on the left and right sides of the other seat body. In each group of reinforcing rib plates 63, the reinforcing rib plates 63 are arranged in parallel at intervals in the vertical direction, so that the structural strength of the seat body can be improved to a greater extent, and deformation and even breakage of the lock tongue body 32 in the extrusion from inside to outside can be avoided.

It should be noted that, for the door lock device with the above-mentioned mechanical structure, in other embodiments, a door lock mechanism with an electric control principle may be used instead. For example, a trigger button, a fingerprint recognition module, or a similar unlocking means for electrical signal input may be provided on the handle 10. Taking the fingerprint identification module as an example, after the fingerprint information of the user is identified and confirmed, the controller controls the rotation driving mechanism (such as a motor and a gear pair) installed in the refrigerator to automatically output the rotation power to drive the handle 10 to turn over and open outwards, and meanwhile, the buckle 11 buckles the buckle position 31 to enable the bolt body 32 to contract downwards, so that the bolt body 32 is separated from the lock hole 51 to complete unlocking. The alternative scheme has high automation and intelligence degrees, reduces the operation actions of the user and is beneficial to improving the use experience.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Claims

1. A door lock device, characterized by comprising:

2. The door lock device according to claim 1, wherein a mating groove is concavely formed on a front surface of the refrigerator door, a sliding hole communicated with the mating groove is formed on an upper edge of the refrigerator door, a mounting hole is formed on a groove wall of the mating groove, a rotating shaft is mounted at an end of the handle, and the rotating shaft is inserted into the mounting hole; the bolt assembly comprises a bolt body, and the bolt body is slidably inserted into the sliding hole.

3. The door lock device according to claim 2, wherein a clearance recess is further concavely formed on a front surface of the refrigerator door.

4. The door lock device according to claim 2, wherein a positioning surface is provided on a groove bottom of the fitting groove so as to protrude in the handle direction, and the handle is provided with a positioning rib which abuts against the positioning surface.

5. The door lock device according to claim 2, further comprising a mounting seat disposed on a bottom of the mating groove, wherein the latch bolt assembly further comprises an elastic reset member, one end of the elastic reset member is connected to the mounting seat, and the other end of the elastic reset member is connected to the latch bolt body.

6. The door latch mechanism according to claim 5, wherein the bolt body is provided with a lead-in surface.

7. The door lock device according to claim 6, wherein the latch body further has a locking surface opposite to the guiding surface, and the locking surface is fastened to the wall of the lock hole.

8. The door lock device according to claim 5, wherein the mounting seat comprises a seat body, the seat body is formed with a limiting groove, a groove wall of the limiting groove is provided with a positioning column, and the elastic return member is sleeved on the positioning column.

9. The door lock device according to claim 8, wherein the mount base further comprises a reinforcing rib plate connected between an outer wall of the base body and a groove wall of the fitting groove.

10. An in-vehicle refrigerator characterized by comprising the door lock device according to any one of claims 1 to 9.