CN111749541A - A door lock device, installation method and refrigeration equipment - Google Patents

Abstract

The invention discloses a door lock device, an installation method and refrigeration equipment. The door lock device comprises a lock cover and a lock handle assembly, the lock cover is connected with the box body of the refrigeration equipment, and the lock handle assembly is slidably connected with the door body of the refrigeration equipment. The lock handle assembly includes a lock tongue and a lock rib, the lock cover is provided with a limit groove matching with the lock tongue, and the door body is provided with a stop groove matching with the lock rib. When the door lock device is in the locked state, the lock tongue is stuck into the limit slot, and the lock rib is stuck into the stop slot to realize the locking of the door body. The limit cooperation with the stop groove is equivalent to double locking, so that the door body will not be vibrated during the movement or vibration of the refrigeration equipment, and the reliability is high. When the door lock device is in the open state, the lock tongue is separated from the limit slot, and the lock rib is stuck in the limit slot to realize the opening of the door body. Friction between the handle assembly and the door or box.

Description

A door lock device, installation method and refrigeration equipment

technical field

The invention relates to the technical field of refrigeration equipment, in particular to a door lock device, an installation method and refrigeration equipment.

Background technique

There are two main ways of locking the door of the existing small refrigerators for vehicles or other purposes:

The first is the use of magnetic strips. During the movement of the small refrigerator or after it is vibrated, the suction between the magnetic strips is not enough to overcome the external force, so that the door body locked by the magnetic strips is easily opened by force;

The second is to use the ordinary luggage lock method, and the door body and the box body of the small refrigerator are fastened together through the lock button. This method can initially solve the problem of locking the door body during the smooth movement of the small refrigerator, but it cannot be used. Avoid the situation that the door of the small refrigerator vibrates during the violent vibration process. In addition, when the lock of ordinary luggage is in the open state, the lock is generally infinite, and the lock is shaken at will, which is easy to cause damage due to friction or extrusion with the box or door.

The above information disclosed in this Background is only for enhancement of understanding of the background of the application and therefore it may contain that it does not form the prior art that is already known to a person of ordinary skill in the art.

SUMMARY OF THE INVENTION

Aiming at the deficiencies in the prior art, the present invention provides a door lock device, an installation method and a refrigeration device, which avoids the door body vibrating during the moving process or the violent vibration process of the refrigeration device, and has high reliability; It is not easy to shake when open, and avoid friction between the door lock and the box or door.

In order to realize the above-mentioned purpose of the invention, the present invention adopts the following technical scheme to realize:

The present invention provides a door lock device, which is arranged on a refrigeration device, the refrigeration device includes a box body and a door body, and the door lock device includes: a lock cover, which is connected to the box body; a lock handle assembly, which is connected to the box body. The sliding connection of the door body includes a lock tongue and a lock rib; the lock cover is provided with a limit groove adapted to the lock tongue; the door body is provided with a stop position adapted to the lock rib The door lock device has a locked state and an open state; when the door lock device is in the locked state, the lock tongue is stuck into the limit slot, and the lock rib is stuck into the When the door lock device is in the open state, the locking tongue is separated from the limiting slot, and the locking rib is stuck into the stopping slot.

Further, the lock handle assembly further comprises: a lock tongue return spring, which is used for the reset of the lock tongue; and a lock rib return spring, which is used for the reset of the lock rib.

Further, the lock handle assembly further includes a lock handle body, the lock handle body is connected with the lock tongue, and the lock handle body and the lock tongue are both slidably connected with the door body; the lock handle body The lock rib return spring is rotatably connected with the lock rib, and the lock rib return spring is arranged between the lock handle body and the lock rib.

Further, the door body is provided with a lock tongue installation cavity, and the side of the lock tongue installation cavity close to the lock cover is provided with a first through hole for the lock tongue to extend; The lock tongue installation cavity reciprocates along the lock tongue installation cavity; the door body is also provided with a spring installation cavity, the spring installation cavity is communicated with the lock tongue installation cavity, and the lock tongue return spring is provided. In the spring installation cavity, one end of the lock tongue return spring is connected with the lock tongue.

Further, a second through hole is provided on the side of the lock tongue installation cavity close to the lock handle body; the connection position between the lock handle body and the lock tongue is located at the second through hole, and the The connecting position reciprocates along the second through hole.

Further, the lock handle body includes a flat plate portion, a raised portion connected with the flat plate portion, and a locking rib mounting portion; the raised portion is connected with the lock tongue, and the raised portion is along the second The through hole reciprocates; the locking rib mounting portion includes a horizontal portion and a vertical portion arranged at both ends of the horizontal portion, and the locking rib is rotatably arranged between the two vertical portions.

Further, the locking rib includes a handle portion and a clamping portion, the handle portion and the clamping portion are not on the same plane, and the handle portion and the locking rib mounting portion are provided with the lock rib return spring; when pulling the handle part, the handle part abuts against the horizontal part, the lock rib return spring is compressed by force, and the clamping part is separated from the stop groove; When the handle portion is released, the handle portion is separated from the horizontal portion under the action of the locking rib return spring, and the engaging portion is engaged with the stop groove.

Further, the door body is provided with an elongated first concave portion, the stop groove is arranged in the first concave portion, and when the engaging portion is engaged with the stop groove, the latch The connecting portion is located in the first concave portion.

The present invention also provides an installation method for a door lock device, which includes the following installation steps: connecting the lock tongue with one end of the lock tongue return spring; connecting the lock tongue together with the lock tongue return spring from the door body Insert the first through hole of the lock tongue into the lock tongue installation cavity in the door body, push the lock tongue to make the lock tongue return spring extend into the spring installation cavity communicated with the lock tongue installation cavity; install the lock on the lock rib The rib return spring; the lock rib is rotatably connected with the lock handle body through bolts; the protrusion on the lock handle body is inserted into the second through hole provided on the door body, and the lock handle body is connected with the lock handle body by screws. Connect the lock tongue; install the lock cover on the box.

The present invention also provides a refrigeration equipment, which includes a box body and a door body hinged to each other, and also includes the door lock device as described above, wherein the lock cover is connected to the box body, and the lock handle assembly is connected to the door body. Sliding connection; when the door body is locked, the lock tongue is inserted into the limit groove, and the lock rib is inserted into the stop groove; when the door body is opened, the lock tongue Separated from the limiting groove, the locking rib is snapped into the limiting groove.

Compared with the prior art, the advantages and positive effects of the present invention are:

The invention provides a door lock device, an installation method and refrigeration equipment. The door lock device includes a lock cover and a lock handle assembly, the lock cover is connected to the box body of the refrigeration equipment, and the lock handle assembly is slidably connected to the door body of the refrigeration equipment. The handle assembly includes a lock tongue and a lock rib, the lock cover is provided with a limit groove matching with the lock tongue, and the door body is provided with a stop groove matching with the lock rib. When the door lock device is in the locked state, the lock tongue is stuck into the limit slot, and the lock rib is stuck into the stop slot to realize the locking of the door body. The limit cooperation with the stop groove is equivalent to double locking, so that the door body will not be vibrated during the movement or vibration of the refrigeration equipment, and the reliability is high. When the door lock device is in the open state, the lock tongue is separated from the limit slot, and the lock rib is stuck in the stop slot to realize the opening of the door body. Avoid friction between the handle assembly and the door or box.

Other features and advantages of the present invention will become more apparent after reading the detailed description of the present invention in conjunction with the accompanying drawings.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are some embodiments of the present invention, and for those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort.

1 is a schematic structural diagram of a door lock device according to an embodiment of the present invention;

2 is a schematic diagram of an explosion structure of a door lock device according to an embodiment of the present invention;

3 is a schematic structural diagram of a lock cover according to an embodiment of the present invention;

4 is a schematic structural diagram of a lock handle body according to an embodiment of the present invention;

5 is a schematic structural diagram of a locking rib according to an embodiment of the present invention;

6 is a schematic structural diagram of a lock tongue according to an embodiment of the present invention;

FIG. 7 is a first structural schematic diagram of a door body according to an embodiment of the present invention;

Fig. 8 is A-A in Fig. 7 sectional view;

9 is a second structural schematic diagram of a door body according to an embodiment of the present invention;

Figure 10 is a sectional view taken along the direction B-B in Figure 9;

11 is a schematic structural diagram of the door body in an open state according to an embodiment of the present invention;

12 is a schematic structural diagram of the door body in the locked state according to the embodiment of the present invention;

13 is a schematic structural diagram of an operation process when the door is opened or locked according to an embodiment of the present invention.

Among them, 100-lock handle assembly, 110-lock handle body, 111-flat plate part, 112-protrusion part, 113-lock rib installation part, 1131-horizontal part, 1132-vertical part, 1133-transition part, 114- First screw hole, 115-Second bolt hole, 116-Notch part, 120-Lock tongue, 121-Second recessed part, 122-Second screw hole, 130-Lock rib, 131-Wrench part, 1311-Spring installation Position, 132-clamping part, 1321-clamping protrusion, 133-first bolt hole, 140-lock tongue return spring, 150-lock rib return spring, 200-lock cover, 210-limiting groove, 220- Card slot, 300-box body, 310-decorative strip, 400-door body, 410-first through hole, 420-second through-hole, 430-first recess, 440-stop slot, 450-bolt installation cavity , 460-spring mounting cavity, 510-screw, 520-bolt, 530-nut.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments These are some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

It should be noted that, in the description of the present invention, the terms "up", "down", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate directions or positions The terminology of the relationship is based on the direction or positional relationship shown in the drawings, which is only for the convenience of description, and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as Limitations of the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

The present invention discloses a door lock device, which is arranged on a refrigeration device, the refrigeration device especially refers to a small refrigerator for vehicle or other purposes. The door lock device is used to lock the door body 400 and the box body 300 , or release the locking relationship between the door body 400 and the box body 300 to open the door body 400 .

1 and 2 , the door lock device includes a lock cover 200 and a lock handle assembly 100 , the lock cover 200 is fixed on the box body 300 , and the lock handle assembly 100 is slidably arranged on the door body 400 and is capable of facing the door body 400 relative to the door body 400 . Reciprocating in a direction close to the lock cover 200 or away from the lock cover 200 , wherein the lock handle assembly 100 includes a lock tongue 120 and a lock rib 130 . The lock cover 200 is provided with a limit groove 210 adapted to the lock tongue 120 , and the lock tongue 120 can be snapped into the limit groove 210 or separated from the limit groove 210 along with the reciprocating motion of the lock handle assembly 100 . The door body 400 is provided with a stop groove 440 adapted to the locking rib 130 , and the locking rib 130 can be snapped into the stop groove 440 or separated from the stop groove 440 . The door lock device has a locked state and an open state. When the door lock device is in a locked state, the lock tongue 120 is stuck into the limit slot 210, and the locking rib 130 is stuck into the stop slot 440, so as to realize the locking of the door body 400. , the limit cooperation between the lock tongue 120 and the limit groove 210 and the limit cooperation between the lock rib 130 and the limit groove 440 are equivalent to double locking, so that the door body 400 will not be locked during the movement or vibration of the refrigeration equipment. It is vibrated and has high reliability; when the door lock device is in the open state, the lock tongue 120 is separated from the limit groove 210, and the lock rib 130 is stuck in the limit groove 440 to realize the opening of the door body 400. At this time, the lock rib 130 Being snapped into the stop groove 440 prevents the lock handle assembly 100 from shaking at will, and avoids friction between the lock handle assembly 100 and the door body 400 or the box body 300 .

The door lock device further includes a lock tongue return spring 140 and a lock rib return spring 150 , the lock tongue return spring 140 is used for the reset of the lock tongue 120 , and the lock rib return spring 150 is used for the reset of the lock rib 130 .

Specifically, referring to FIG. 3 for a schematic structural diagram of the lock cover 200 , the lock cover 200 is a plate-like structure, and is fixedly connected to the box body 300 by screws 510 . One end of the lock cover 200 protrudes from the box body 300 , and a limit groove 210 is provided on the part of the lock cover 200 that extends from the box body 300 , and the limit groove 210 is used for engaging with the lock tongue 120 . For the sake of aesthetics, the box body 300 is provided with a protruding decorative strip 310 , and the locking cover 200 is correspondingly provided with a card slot 220 , and the decorative strip 310 is just inserted into the card slot 220 .

The lock handle assembly 100 includes a lock handle body 110 , a lock tongue 120 , a lock rib 130 , a lock tongue return spring 140 and a lock rib return spring 150 . 4, the lock handle body 110 is used to connect the lock tongue 120 and the lock rib 130, and includes a flat plate portion 111, a raised portion 112 and a lock rib mounting portion 113; One side of the tongue 120 extends; the locking rib mounting part 113 is arranged on one end of the flat plate part 111 and is vertically connected with the flat plate part 111 ; The protruding portion 112 is an elongated structure for being fixedly connected with the locking tongue 120 , and another function of the protruding portion 112 is a sliding guiding function, which will be described below. The locking rib mounting portion 113 is used for rotational connection with the locking rib 130 , and includes a horizontal portion 1131 , and vertical portions 1132 disposed at both ends of the horizontal portion 1131 . A hollow cavity is formed between the horizontal part 1131 , the vertical part 1132 and the transition part 1133 to provide space for the installation and movement of the locking rib 130 .

6, the lock tongue 120 is an elongated structure with a second concave portion 121 formed thereon, the flat plate portion 111 is formed with a first screw hole 114, and the first screw hole 114 is also drilled in the convex The raised portion 112 and the second concave portion 121 are correspondingly provided with a second screw hole 122. A screw 510 is simultaneously inserted between the first screw hole 114 and the second screw hole 122, so as to fix the locking tongue 120 with the lock body 110. That is, the locking tongue 120 is fixedly connected to the protruding portion 114 , and at this time, the end surface of the protruding portion 114 is clamped into the second concave portion 121 . One end of the lock tongue 120 is used to snap into the limiting groove 210 , and the other end of the lock tongue 120 is fixedly connected with the lock tongue return spring 140 . An arc-shaped structure is provided at one end of the locking tongue 120 that is engaged with the limiting groove 210 , which plays a guiding role when engaging, so that the door closing process is smoother and more stable, and a sense of frustration is avoided.

5, the locking rib 130 includes a handle portion 131 and a clamping portion 132. One end of the handle portion 131 is connected to one end of the clamping portion 132, and the two are not located in the same plane. This embodiment In the example, an acute angle is formed between the handle portion 131 and the clamping portion 132 . The handle portion 131 is used for operation by the user, and the engaging portion 132 is used for engaging with the stop groove 440 . Specifically, a side of the free end of the engaging portion 132 facing the stopping groove 440 is provided with a engaging protrusion 1321 , and the engaging protrusion 1321 is engaged with the stopping groove 440 . A first bolt hole 133 is provided at the connection position of the lever portion 131 and the clamping portion 132, and a second bolt hole 115 is correspondingly provided on the vertical portion 1132 of the locking rib mounting portion 113, the first bolt hole 133 and the second bolt Bolts 520 are also pierced in the holes 115 , and the free ends of the bolts 520 are tightened with nuts 530 , so as to realize the rotational connection between the locking ribs 130 and the lock body 110 . A spring installation position 1311 is provided on the side of the handle portion 131 close to the horizontal portion 1131 , one end of the lock rib return spring 150 is fixed in the spring installation position 1311 , and the other end of the lock rib return spring 150 is in the transition between the lock rib installation portion 113 . The transition portion 1133 can be provided with a guiding column (not shown) for guiding the movement of the lock rib return spring 150 in order to avoid the dislocation of the lock rib return spring 150 during the compression or reset process. guide.

When the handle portion 131 is pulled by hand, that is, when the lock rib mounting portion 113 and the handle portion 131 are simultaneously squeezed, the handle portion 131 rotates relative to the handle body 110, the handle portion 131 rotates to abut against the horizontal portion 1131, and at the same time The latching protrusion 1321 is separated from the stop groove 440, and the lock rib return spring 150 is compressed by force. At this time, the lock handle body 110 is slid again to make the lock tongue 120 snap into the limit groove 210 or make the lock tongue 120 and the limit Slots 210 are separated. When the lock tongue 120 moves in place to open or lock the door body 400, the lock rib mounting portion 113 and the handle portion 131 are loosened by hand, and the handle portion 131 rotates to the horizontal level under the action of the reset elastic force of the lock rib return spring 150. The parts 1131 are separated, and at the same time, the latching protrusions 1321 are latched into the stop grooves 440 .

The end surface of the horizontal portion 1131 is provided with a notch portion 116, and the lever portion 131 abuts against the horizontal portion 1131, that is, the lever portion 131 abuts against the notch portion 116. When the handle body 110 slides at the same time as the handle portion 131, the notch portion 116 acts as a limiter for the handle portion 131, preventing the handle portion 131 from moving up and down, and making the entire structure more stable.

When the user squeezes the locking rib mounting portion 113 and the lever portion 131 by hand, from the perspective of ergonomics, in order to improve the user's comfort, the transition portion 1133 is a concave arc structure toward the locking rib 130. The user's fingers can partially extend into the arc structure. At the same time, two sides of the handle portion 131 are respectively provided with spaced protruding strip structures (marked), so as to increase the contact friction between the user's hand and the handle portion 131, and the handle portion 131 and the notch portion. Contact friction between 116.

The sliding connection between the lock handle assembly 100 and the door body 400 is realized by the following structure:

Referring to FIGS. 7 to 10 , wherein, FIGS. 7 and 8 are schematic structural diagrams when the lock handle assembly is not installed on the door body, and FIGS. 9 and 10 are structural schematic diagrams after the lock handle assembly is installed on the door body. The door body 400 is provided with a lock tongue installation cavity 450 , the side of the lock tongue installation cavity 450 close to the lock cover 200 is provided with a first through hole 410 for the lock tongue 120 to extend, and the lock tongue installation cavity 450 is close to the lock body 110 . A second through hole 420 is provided on one side. The lock tongue 120 is inserted into the lock tongue installation cavity 450 and can reciprocate along the lock tongue installation cavity 450 in a direction close to the lock cover 200 or away from the lock cover 200 . When one end of the locking tongue 120 protrudes from the first through hole 410 and is engaged with the limiting groove 210 , the door body 400 is locked. The reciprocating movement of the lock tongue 120 along the lock tongue installation cavity 450 is realized by the movement of the lock handle body 110. After the lock tongue 120 is fixedly connected with the raised portion 112, the raised portion 112 is inserted into the second through hole 420, The lock handle body 110 is located outside the door body 400 for user operation, and the lock tongue 120 is located inside the door body 400 , that is, the lock tongue 120 is located in the lock tongue installation cavity 450 for engaging with the limiting slot 210 . When the handle body 110 is forced to reciprocate, the protruding portion 112 reciprocates in the second through hole 420 , and drives the lock tongue 120 to reciprocate in the lock tongue installation cavity 450 . The protruding portion 112 not only plays the role of connecting the handle body 110 and the locking tongue 120, but also plays the role of guiding the movement of the two. The length of the second through hole 420 should be greater than the length of the protruding portion 112 , and when the protruding portion 112 moves to abut against the end of the second through hole 420 , the locking tongue 120 can be snapped into the limiting groove 210 or can be removed from the limiting groove 210 . The limiting groove 210 is separated.

Both ends of the protruding portion 112 are arc-shaped structures, and correspondingly, the ends of the second through holes 420 are also arc-shaped structures, so that the protruding portion 112 and the second through hole 420 are more stable and smooth when they abut each other. , to avoid frustration.

In other embodiments, the sliding connection between the lock handle assembly 100 and the door body 400 can also be realized by other structures. For example, two guide bars are provided on the flat plate portion 111 , and the guide bars are screwed or snapped to the lock tongue 120 . For fixed connection, the door body 400 is provided with a guide groove for the guide bar to extend. When the lock handle body 110 moves, the guide bar moves in the guide groove, which drives the lock tongue 120 to move. In this case, the width of the guide groove should be smaller than the width of the second through hole 420 in the above-mentioned embodiment, so as to prevent the entire lock handle assembly 100 from being oversized.

In the above two embodiments, the protrusions 112 and the guide bars are both arranged on the lock body 110. Of course, the protrusions 112 and the guide bars can also be arranged on the lock tongue 20 to achieve the same sliding connection effect.

The door body 400 is provided with a spring installation cavity 460, which communicates with the lock tongue installation cavity 450, the lock tongue return spring 140 is arranged in the spring installation cavity 460, and one end of the lock tongue return spring 140 is fixedly connected with the lock tongue 120, and the lock tongue is reset The other end of the spring 140 abuts against the spring installation cavity 460 . The spring installation cavity 460 is a hollow cylindrical structure, which not only provides installation space for the lock tongue return spring 140 , but also serves as a movement guide for the lock tongue return spring 140 .

The door body 400 is provided with an elongated first concave portion 430 , the first concave portion 430 and the second through hole 420 are located on the same straight line, and the stop groove 440 is provided in the first concave portion 450 . When the engaging protrusion 1321 is engaged with the stop groove 440, the engaging portion 132 is located in the first concave portion 430, so that the outer surface of the door body 400 is more flat, and the appearance of the product is enhanced. At the same time, when the user squeezes the locking rib mounting portion 113 and the handle portion 131 to reciprocate the lock handle body 110, the connection position of the handle portion 131 and the clamping portion 132 moves along the first recess 430, and the second A recess 430 also acts as a motion guide.

The opening and locking process of the door lock device will be described in detail below with reference to FIGS. 11 to 13 .

When the door is locked, that is, the door lock device is initially in an open state, in other words, the door body 400 is initially in an open state, referring to FIG. The position slot 210 is separated, the snap-on protrusion 1321 is snapped into the stop slot 440, the handle portion 131 is separated from the horizontal portion 1131, and the lock rib return spring 150 and the lock tongue return spring 140 are in the initial state. When locking the door, referring to FIG. 13 , pinch the locking rib mounting part 113 and the handle part 131 at the same time, the handle part 131 rotates and moves to abut against the horizontal part 1131 , and at the same time the latching protrusion 1321 rotates and moves to the stop The groove 440 is separated, and the lock rib return spring 113 is compressed by force; then, the lock handle body 110 is slid away from the lock cover 200, and the lock handle body 110 drives the lock tongue 120 to move away from the lock cover 200. The end of the lock tongue 120 The door body 400 is retracted in the first through hole 410, and the lock tongue return spring 140 is compressed by force; then push the door body 400 in the direction close to the box body 300, and the door body 400 and the box body 300 fit; 113 and the handle portion 131. At this time, the handle portion 131 rotates to be separated from the horizontal portion 1131 under the elastic restoring action of the locking rib return spring 150, and drives the snap-on protrusion 1321 to rotate to the stop slot 440, and the locking The tongue 120 stretches out under the restoring action of the elastic force of the lock tongue return spring 140 until it is snapped into the limiting groove 210 , and the door closing is completed at this point, referring to FIG. 12 .

The door opening process is the reverse process of the door locking process. When opening the door, that is, the door lock device is initially in the locked state, in other words, the door body 400 is initially set in the locked state. Referring to FIG. When the lock tongue 120 is closed, one end of the lock tongue 120 is snapped into the limit slot 210, the snap-on protrusion 1321 is snapped into the stop slot 440, the lever portion 131 is separated from the horizontal portion 1131, the lock rib return spring 150 and the lock tongue return spring 140 are in the initial state. When opening the door, referring to FIG. 13 , pinch the locking rib mounting portion 113 and the handle portion 131 at the same time, the handle portion 131 rotates to abut against the horizontal portion 1131 , and at the same time the latching protrusion 1321 rotates to separate from the stop groove 440 , the lock rib return spring 140 is compressed by force; then, slide the lock handle body 110 in the direction away from the lock cover 200, the lock handle body 110 drives the lock tongue 120 to move in the direction away from the lock cover 200, and the end of the lock tongue 120 is retracted in The first through hole 410 is opened, and the lock tongue return spring 140 is compressed by force; then the door body 400 is pulled away from the box body 300, the door body 400 is separated from the box body 300, and the lock rib mounting part 113 and the hand lever are simultaneously released. At this time, the lever portion 131 rotates to be separated from the horizontal portion 1131 under the elastic reset action of the locking rib return spring 150, and drives the clamping portion 132 to rotate until the clamping protrusion 1321 is locked into the stop slot 440, and the lock is locked. The tongue 120 is moved outwardly to the outer end surface of the door body 400 under the restoring action of the elastic force of the lock tongue return spring 140 , and the door is opened, referring to FIG. 11 .

The installation method of the door lock device is as follows:

Connect the lock tongue 120 to one end of the lock tongue return spring 140;

Insert the lock tongue 120 together with the lock tongue return spring 140 from the first through hole 410 on the door body 400 into the lock tongue installation cavity 450 in the door body 400, and push the lock tongue 120 so that the lock tongue return spring 140 extends into the lock tongue 120. in the spring installation cavity 460 communicated with the lock tongue installation cavity 450;

Install the lock rib return spring 150 on the lock rib 130, specifically, fix one end of the lock rib return spring 150 on the spring installation position 1311;

The lock rib 130 is rotatably connected to the lock handle body 110 through the bolt 520. Specifically, the free end of the bolt 520 is inserted into the second bolt hole 122 and the first bolt hole 133 in sequence, and then the free end of the bolt 520 is inserted into the second bolt hole 122 and the first bolt hole 133. Tighten the nut 530, at this time the other end of the lock rib return spring 150 abuts against the inner side of the transition portion 1133;

Insert the protrusion 112 on the lock handle body 110 into the second through hole 420 on the door body 400, screw the screw 510 into the first screw hole 114 and the second screw hole 122 at the same time, and insert the lock handle body 110 into the second through hole 420. fixedly connected with the lock tongue 120;

The lock cover 200 is fixedly installed on the box body 300 through the screws 510 , and the limiting groove 210 should extend outwardly from the box body 300 so as to be easily clamped with the lock tongue 120 .

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that it can still be The technical solutions described in the foregoing embodiments are modified, or some technical features thereof are equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. A door lock device, located on a refrigeration equipment, the refrigeration equipment comprises a box body and a door body, it is characterized in that, the door lock device comprises: a lock cover, which is connected with the box body; a lock handle assembly, which is slidably connected with the door body, and includes a lock tongue and a lock rib; The lock cover is provided with a limit groove adapted to the lock tongue; The door body is provided with a stop groove adapted to the locking rib; The door lock device has a locked state and an open state; When the door lock device is in the locked state, the lock tongue is inserted into the limit slot, and the lock rib is inserted into the stop slot; When the door lock device is in the open state, the locking tongue is separated from the limiting groove, and the locking rib is snapped into the limiting groove. 2. The door lock device according to claim 1, wherein the lock handle assembly further comprises: a deadbolt return spring, which is used for the reset of the deadbolt; The lock rib return spring is used for the reset of the lock rib. 3. The door lock device according to claim 2, characterized in that, The lock handle assembly further comprises a lock handle body, the lock handle body is connected with the lock tongue, and both the lock handle body and the lock tongue are slidably connected with the door body; The lock handle body is rotatably connected with the lock rib, and the lock rib return spring is arranged between the lock handle body and the lock rib. 4. The door lock device according to claim 3, characterized in that, The door body is provided with a lock tongue installation cavity, and a side of the lock tongue installation cavity close to the lock cover is provided with a first through hole for the lock tongue to extend; the lock tongue is arranged in the lock tongue installation cavity and reciprocates along the lock tongue installation cavity; The door body is also provided with a spring installation cavity, the spring installation cavity is communicated with the lock tongue installation cavity, the lock tongue return spring is arranged in the spring installation cavity, and one end of the lock tongue return spring is connected to the lock tongue. The locking tongue is connected. 5. The door lock device according to claim 4, characterized in that, A second through hole is provided on one side of the lock tongue installation cavity close to the lock handle body; The connection position between the lock handle body and the lock tongue is located at the second through hole, and the connection position reciprocates along the second through hole. 6. The door lock device according to claim 5, characterized in that, The lock handle body includes a flat plate portion, a raised portion connected with the flat plate portion, and a locking rib mounting portion; the protruding portion is connected with the locking tongue, and the protruding portion reciprocates along the second through hole; The locking rib mounting portion includes a horizontal portion and a vertical portion arranged at both ends of the horizontal portion, and the locking rib is rotatably arranged between the two vertical portions. 7. The door lock device according to claim 6, characterized in that, The locking rib includes a handle portion and a clamping portion, the handle portion and the clamping portion are not on the same plane, and the locking rib is reset between the handle portion and the locking rib mounting portion. spring; When the handle portion is pulled, the handle portion abuts against the horizontal portion, the locking rib return spring is compressed by force, and the clamping portion is separated from the stop groove; When the handle portion is released, the handle portion is separated from the horizontal portion under the action of the locking rib return spring, and the engaging portion is engaged with the stop groove. 8. The door lock device according to claim 7, characterized in that, The door body is provided with an elongated first concave portion, and the stop groove is arranged in the first concave portion. When the clamping portion is clamped with the stop groove, the clamping portion is located at inside the first recess. 9. An installation method of a door lock device, characterized in that, comprising the following installation steps: Connect the deadbolt to one end of the deadbolt return spring; Insert the deadbolt together with the deadbolt return spring into the deadbolt installation cavity of the door body from the first through hole provided on the door body, push the deadbolt, and make the deadbolt return spring protrude into the door. in the spring installation cavity communicated with the lock tongue installation cavity; Install the lock rib return spring on the lock rib; Rotately connect the lock rib with the lock body through bolts; Insert the protrusion on the lock handle body into the second through hole provided on the door body, and connect the lock handle body and the lock tongue with screws; Install the lock cover to the box. 10. A refrigeration equipment, comprising a box body and a door body hinged to each other, characterized in that, further comprising the door lock device according to any one of claims 1-8, wherein the lock cover is connected to the box body , the lock handle assembly is slidably connected with the door body; When the door body is locked, the lock tongue is inserted into the limit groove, and the lock rib is inserted into the stop groove; When the door body is opened, the locking tongue is separated from the limiting groove, and the locking rib is snapped into the limiting groove.

Images