CN218668876U - Refrigeration device - Google Patents

Abstract

The utility model provides a refrigeration plant, it includes the box, the door body and locates the handle subassembly on the door body, is equipped with the handle groove that is used for installing the handle subassembly on the door body. The handle is provided with a rotating part and a holding part which are arranged in a rotating way relative to the door body; in the first state, the handle is hidden in the handle groove, and the outer surface of the handle assembly does not exceed the outer surface of the door body outwards; when the handle is changed from the first state to the second state, the holding part extends out of the handle groove; when the handle is changed from the second state to the third state, the holding part rotates and moves towards the box body. When the door body needs to be opened, the user can rotate the handle to enable the holding portion to rotate and move towards the direction of the box body, the user can lift the holding portion to open the door body, and the door body is opened more conveniently. Meanwhile, when the door body is closed, the handle assembly can be hidden in the handle groove, and the requirement on the appearance smoothness of a product is met.

Description

Refrigeration device

Technical Field

The utility model relates to a refrigeration technology field, concretely relates to refrigeration plant.

Background

At present, refrigeration equipment such as refrigerators, freezers and wine cabinets gradually enter the daily life of people. The refrigeration equipment generally comprises a box body with a storage space and a door body used for opening and closing the storage space, wherein a magnetic sealing strip is arranged between the door body and the box body and is in sealing fit with the box body, so that heat exchange between air in the storage space and outside air is prevented, and the refrigeration effect is ensured.

However, when the door body is opened, the door body is opened laboriously due to the combined action of the negative pressure and the magnetic force because the pressure difference exists between the inside and the outside of the storage space. In addition, as the internal volume of refrigeration equipment such as a refrigerator is increased, the door body of the refrigeration equipment is gradually increased, and the force required for opening the door body is increased.

Disclosure of Invention

The utility model provides a refrigeration plant to solve the interior door body of current refrigeration plant and open difficulty scheduling problem.

In order to achieve one of the above objects, an embodiment of the present invention provides a refrigeration device, which includes a box body, a door body and a handle assembly disposed on the door body, wherein the door body is further provided with a handle slot for mounting the handle assembly, and the handle assembly includes:

the handle assembly is provided with a rotating part which is rotatably arranged relative to the door body and a holding part which is held by a user;

a mounting base having a connecting shaft connected to the rotating portion and a rotating shaft rotatably provided with respect to the door body, wherein an axial direction of the rotating shaft is perpendicular to an axial direction of the connecting shaft;

the handle at least has a first state, a second state and a third state, and in the first state, the handle is hidden in the handle groove, and the outer surface of the handle assembly does not exceed the outer surface of the door body outwards; when the handle is changed from the first state to the second state, the handle rotates around the connecting shaft, so that the holding part extends out of the handle groove; when the handle changes from the second state to the third state, the handle rotates around the rotating shaft to enable the holding part to rotate and move towards the direction of the box body.

As a further improvement of the above technology, the handle assembly further includes a latch hook for locking the door body and the box body, the latch hook is fixedly disposed relative to the rotating shaft, the box body is further provided with a lock opening disposed in cooperation with the latch hook, and when the handle is in the first state, the latch hook and the lock opening are in a locked state to lock the door body and the box body; when the handle is changed from the second state to the third state, the handle rotates around the rotating shaft, so that the lock hook and the lock opening are in an unlocking state, and the door body and the box body are unlocked.

As a further improvement of the above technology, the locking hook has a connecting structure connected with the rotating shaft and a latch tongue matched with the locking notch. The rotating shaft is further provided with a limiting section, the cross section of the limiting section is in a polygonal arrangement, and the connecting structure is provided with a clamping hole matched with the limiting section.

As a further improvement of the above technology, the handle assembly further includes a power-assisted door opener fixedly disposed relative to the rotating shaft and having an ejection structure. In the process that the handle rotates relative to the door body, the ejection structure can abut against the box body or the door body, so that the door body is opened.

As a further improvement of the above technology, the power-assisted door opening device includes a support rod fixedly connected to the rotating shaft, the ejection structure is disposed at an end of the support rod, and the box body is further provided with an abutting portion matched with the ejection structure; in the process that the handle rotates relative to the door body, the handle drives the supporting rod to rotate synchronously, and the ejection structure extends out from the door body to one side of the box body so as to abut against the abutting part on the box body.

As a further improvement of the above technology, the handle assembly further includes a push self-locking switch disposed in the handle groove, and the handle is provided with a connecting portion that is engaged with the push self-locking switch.

As a further improvement of the above technology, the connecting portion is provided as a hook extending from the grip portion of the handle, and the push self-locking switch includes a housing, a locking member for locking the hook, and an elastic member connecting the housing and the locking member; the shell is further provided with a slide way, and the elastic piece can drive the locking piece to slide along the slide way, so that the locking piece can lock or release the clamping hook.

As a further improvement of the above technology, the lock catch comprises a lock catch body and two groups of claws arranged on the lock catch body, wherein the two groups of claws are oppositely arranged to form a clamping space for clamping the hooks; in the process that the locking fastener slides along the slideway, the two groups of claws can extend out or contract into the shell, so that the claws are in an unclamped state or a locked state.

As a further improvement of the above technology, the latch further comprises a pull rod connected with the latch body, one end of the pull rod is movably connected with the latch body, and the other end of the pull rod can slide in the slide way; the slideway is provided with a first positioning part and a second positioning part, and the second positioning part is arranged close to the extending position of the clamping jaw on the shell relative to the first positioning part; when the end part of the pull rod is positioned at the first positioning part, the clamping jaw is positioned in the shell, and the clamping jaw and the clamping hook are in a locking state; when the end part of the pull rod is positioned in the second positioning part, the claw extends out relative to the shell, and the claw and the hook are in a loosening state.

As a further improvement of the above technology, the slide further includes a guide section connecting the first positioning portion and the second positioning portion, the guide section includes a first guide section and a second guide section that are communicated with each other, the first guide section is provided to extend from the first positioning portion to a direction away from the second positioning portion, and the second guide section extends from an end of the first guide section away from the first positioning portion to the second positioning portion.

As a further improvement of the above technique, the handle assembly further includes an ejecting means for ejecting the grip portion of the handle from the handle slot.

As a further improvement of the above technology, the mount pad has with the joint portion that the rotating part is connected, locate the first mounting hole of joint portion, still be provided with on the rotating part with first mounting hole complex second mounting hole, the connecting axle can be worn to locate in first mounting hole and the second mounting hole, pop out the device and set up to the cover and locate connect epaxial torsional spring, the one end of torsional spring support hold in the mount pad, the other end acts on the handle.

Compared with the prior art, the beneficial effects of the utility model reside in that: above-mentioned refrigeration plant's handle subassembly is when the door body needs to be opened, and the rotatable handle of user rotates around the rotation axis and makes the portion of gripping move towards the box direction rotation for user's accessible lifting portion of gripping realizes that the door body is opened, can reduce the power of opening that the door body opened needs, and the door body is opened more conveniently. Meanwhile, when the door body is closed, the handle assembly can be hidden in the handle groove, and the requirement on the appearance smoothness of the product is met.

Drawings

Fig. 1 is a perspective view of a refrigeration apparatus provided in an embodiment of the present invention;

fig. 2 is a schematic structural view of a handle of a refrigeration device according to an embodiment of the present invention, the handle being in a second state relative to a door body;

fig. 3 is a schematic structural view of a refrigeration apparatus according to an embodiment of the present invention, in which a handle is in a third state relative to a door body;

fig. 4 is an exploded view of a handle assembly provided in an embodiment of the present invention;

fig. 5 is a perspective view of a handle provided in an embodiment of the present invention;

fig. 6 is a perspective view of a mounting base provided in an embodiment of the present invention;

fig. 7 is a front view of a refrigeration apparatus provided in an embodiment of the present invention;

FIG. 8 isbase:Sub>A cross-sectional view taken along A-A of FIG. 7;

fig. 9 is a partial enlarged view at B in fig. 8;

fig. 10 is a perspective view of a push type self-locking switch provided in an embodiment of the present invention;

fig. 11 is an exploded view of a push-down self-locking switch provided in an embodiment of the present invention;

fig. 12 is a front view of a push type self-locking switch provided in an embodiment of the present invention;

FIG. 13 is a cross-sectional view taken at C-C of FIG. 12;

FIG. 14 is a cross-sectional view taken at D-D of FIG. 12;

FIG. 15 is a cross-sectional view taken at E-E of FIG. 12;

fig. 16 is a schematic structural view of another angle of the handle in the second state relative to the door body according to an embodiment of the present invention;

fig. 17 is a partial enlarged view at F in fig. 16;

fig. 18 is a schematic structural view of another angle of the handle in the third state relative to the door body according to an embodiment of the present invention;

FIG. 19 is an enlarged view of a portion of FIG. 18 at J;

fig. 20 is a perspective view of a shackle provided in an embodiment of the present invention;

fig. 21 is an exploded view of a power assisted door opener provided in an embodiment of the present invention;

fig. 22 is a perspective view of a combination of a power assisted door opener and a latch hook provided in an embodiment of the present invention;

fig. 23 is a perspective view of a refrigeration unit provided in another embodiment of the present invention;

FIG. 24 is an enlarged view of a portion of FIG. 23 at G;

FIG. 25 is a perspective view of the refrigeration unit shown in FIG. 23;

FIG. 26 is a sectional view taken at H-H in FIG. 25;

fig. 27 is a partial enlarged view at I in fig. 26.

In the figure: 10. a refrigeration device; 11. a box body; 112. a storage space; 113. locking the opening; 115. an abutting portion; 12. a door body; 121. a handle slot; 123. a locking portion; 20. a handle assembly; 21. a handle; 211. a rotating part; 2111. a second mounting hole; 2113. a limiting groove; 213. a grip portion; 215. a connecting portion; 2151. a hook; 217. a groove; 23. a mounting seat; 231. a connecting shaft; 233. a rotating shaft; 234. a shaft sleeve; 235. a joint part; 2351. a first mounting hole; 2353. a protrusion; 237. a limiting section; 25. a handle fixing box; 251. an accommodating cavity; 253. an assembling portion; 2531. an assembly hole; 2533. a binding face; 254. a decorative plate; 27. an ejection device; 271. a torsion spring; 29. a self-locking device; 30. pressing a self-locking switch; 31. a housing; 32. a slideway; 321. a first positioning portion; 323. a second positioning portion; 325. a first guide section; 327. a second guide section; 33. a fastener; 331. a lock catch body; 333. a claw; 335. a chucking space; 337. a pull rod; 35. an elastic member; 37. a latch hook; 371. a connecting structure; 3711. a clamping hole; 373. a knuckle; 39. a power-assisted door opening device; 391. an ejection structure; 393. a support bar; 397. a pulley; 399. a fixed structure; 3991. a clamping hole; 40. a locking device; 41. a lock body; 42. a lock head.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "front", "rear", "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1 to 21, an embodiment of the present invention provides a refrigeration device 10, which includes a box 11 having a storage space 112, a door 12 for opening or closing an opening of the storage space 112, and a hinge connecting the door 12 and the box 11, wherein an upward opening of the storage space 112 is provided. That is, in the present embodiment, the door 12 of the refrigeration apparatus 10 is disposed above the cabinet 11, and the door 12 can rotate upward relative to the cabinet 11 to open the opening of the storage space 112.

In the prior art, a magnetic sealing strip is arranged between the door 12 and the cabinet 11 for sealing and matching, so as to prevent the air in the storage space 112 from generating heat exchange with the outside air, and ensure the refrigeration effect. However, when the door 12 needs to be opened, the door 12 is opened with a lot of effort due to the combined action of the negative pressure and the magnetic force because of the pressure difference between the inside and the outside of the storage space 112. In addition, as the storage space 112 in the refrigeration equipment 10 such as a refrigerator is increased, the door 12 of the refrigeration equipment 10 is gradually increased, and the force required to open the door 12 is increased.

In this embodiment, in order to make the door 12 more labor-saving to open and provide good experience for a user, the refrigeration device 10 further includes a handle assembly 20 disposed on the door 12. When the door body 12 needs to be opened, the user can rotate the handle 21 to make the handle 21 rotate and move from the holding portion 213 to the direction of the box body 11, so that the user can open the door body 12 by lifting the handle 21 upwards, the labor is saved, and the use habit of the user is better met.

And when the door body 12 does not need to be opened, the handle 21 can be hidden in the handle groove 121 of the door body 12, so that the outer surface of the handle assembly 20 does not exceed the outer surface of the door body 12 outwards, the smoothness of the appearance of the refrigeration equipment 10 is ensured, the product has a smooth appearance, compared with the arrangement that the handle 21 protrudes out of the door body 12 and the box body 11, the packaging volume of the equipment can be reduced, and accordingly, the packing amount in the transportation process can be increased.

Specifically, the door body 12 is further provided with a handle groove 121 for mounting the handle assembly 20. The handle assembly 20 is mounted in the handle groove 121. The handle assembly 20 includes a handle 21 for a user to hold, and a mounting seat 23 for allowing the handle 21 to rotate relative to the door body 12.

The handle 21 includes a rotating portion 211 that is rotatably provided with respect to the door body 12, and a grip portion 213 that is gripped by a user. The mount 23 includes a connecting shaft 231 connected to the rotating portion 211, and a rotating shaft 233 provided to rotate relative to the door body 12. The axial direction of the rotary shaft 233 is perpendicular to the axial direction of the connecting shaft 231, so that the handle 21 has two angular rotation effects with respect to the door body 12.

As shown in fig. 1 to 3, the handle 21 has at least a first state, a second state, and a third state with respect to the door body 12. FIG. 1 is a schematic view of the handle 21 in a first state relative to the door body 12 in the present embodiment; when the handle 21 is in the first state relative to the door 12, the handle 21 is hidden in the handle groove 121, and the outer surface of the handle assembly 20 does not extend outward beyond the outer surface of the door 12, so that the flatness of the outer surface of the door 12 can be ensured, compared with the arrangement that the handle 21 protrudes out of the door 12 and the box body 11, the packaging volume of the refrigeration equipment 10 can be reduced, and accordingly, the packing amount in the transportation process can be increased.

Fig. 2 is a schematic view of the handle 21 in a second state relative to the door body 12 in the present embodiment. When the handle 21 is changed from the first state to the second state, the handle 21 rotates around the connecting shaft 231 so that the holding portion 213 extends out of the handle groove 121, so that the user can hold the holding portion 213, and thus the door body 12 is opened.

Fig. 3 is a schematic view of the handle 21 in a third state relative to the door body 12 in the embodiment. When the handle 21 changes from the second state to the third state, the handle 21 rotates around the rotating shaft 233 to enable the holding portion 213 to rotate and move towards the direction of the box body 11, so that a force application point of the holding portion 213 held by a user is arranged close to one side of the box body 11 relative to a connection point of the handle assembly 20 and the door body 12, the door body 12 can be opened by the user through lifting the holding portion 213, and compared with the arrangement that the holding point of the holding portion 213 and the connection point of the handle assembly 20 and the door body 12 are arranged at the same horizontal height relative to the box body 11 by the existing user, the force arm of the force applied by the user is longer and more labor-saving.

Specifically, the axial direction of the rotary shaft 233 is arranged in the front-rear direction of the refrigeration apparatus 10. When the handle 21 changes from the second state to the third state, the user holds the holding portion 213 and rotates around the rotating shaft 233, so that the holding portion 213 moves downward toward the box 11, and when the door 12 needs to be opened, the user lifts the handle 21 upward, and the door 12 can be opened.

In this embodiment, as shown in fig. 4 to 9, the handle assembly 20 further includes a handle fixing box 25 connected to the door body 12, and an accommodating cavity 251 for accommodating the handle 21 and the mounting seat 23 is disposed in the handle fixing box 25. The handle fixing box 25 may be installed into the handle groove 121. A decorative plate 254 is further disposed in the handle fixing box 25, and the decorative plate 254 is used for covering the area of the handle 21 not covering the accommodating cavity 251 in the handle fixing box 25.

Optionally, the handle fixing box 25 may be fixed to the handle groove 121 of the door 12 by a fastener or a snap structure, so as to fix the handle assembly 20, achieve modular assembly, and improve production efficiency.

Further, a fitting portion 253 connected to the mounting seat 23 is provided in the handle fixing box 25, and the handle 21 may be mounted to the fitting portion 253 in the handle fixing box 25 through the mounting seat 23. The mounting portion 253 is provided with a mounting hole 2531 engaged with the rotary shaft 233, and the rotary shaft 233 is inserted into the mounting hole 2531 such that the mounting seat 23 is rotatable about the axis of the rotary shaft 233 with respect to the door body 12, thereby allowing the handle 21 to be rotatable about the rotary shaft 233.

Optionally, a bushing 234 is further sleeved on the outer periphery of the rotating shaft 233, so as to reduce wear of the rotating shaft 233 and ensure smoothness of the rotating shaft 233 in the rotating process. The mount 23 may be fixed to the mounting portion 253 by a fastener.

Of course, it will be appreciated by those skilled in the art that the mounting seat 23 can also be mounted directly to the door body 12. That is, the mounting portion 253 may be provided on the door body 12.

In this embodiment, the mounting seat 23 is further provided with a joint portion 235 connected to the rotating portion 211, and a first mounting hole 2351 disposed on the joint portion 235, the rotating portion 211 is correspondingly provided with a second mounting hole 2111 matched with the first mounting hole 2351, the connecting shaft 231 can be inserted into the first mounting hole 2351 and the second mounting hole 2111, and the holding portion 213 can rotate around the connecting shaft 231, so that the holding portion 213 extends out of the outer surface of the door body 12, thereby facilitating the holding of a user.

Optionally, the connector portion 235 is provided as a Y-shaped structure, and the first mounting hole 2351 is provided at an ear of the Y-shaped structure. Simultaneously, in order to guarantee rotary part 211 with the firm that joint portion 235 is connected, rotary part 211 be provided with joint portion 235 matched with Y type structure, second mounting hole 2111 correspond set up in the ear of Y type structure on rotary part 211, just the ear of Y type structure on rotary part 211 holds in the outside of the ear of Y type structure on the joint portion 235.

Of course, it is conceivable for those skilled in the art that one of the joint portion 235 and the rotation portion 211 may be provided in a Y-shaped configuration, and the other of the joint portion 235 and the rotation portion 211 may be provided in an I-shaped configuration, so that the connection between the rotation portion 211 and the joint portion 235 can be achieved. Therefore, all technical solutions that are the same as or similar to the present embodiment are covered in the protection scope of the present invention.

In this embodiment, the process of the rotation movement of the handle 21 relative to the door body 12 around the connecting shaft 231 and the rotating shaft 233 is as follows: in the first state of the handle 21 relative to the door body 12, the handle 21 is hidden in the handle fixing box 25 or the handle groove 121, and the outer surface of the handle assembly 20 does not exceed the outer surface of the door body 12.

When the handle 21 is changed from the first state to the second state, that is, the holding portion 213 rotates about the connecting shaft 231, so that the holding portion 213 protrudes from the outer surface of the door body 12.

When the handle 21 is changed from the second state to the third state, that is, the user can hold the holding portion 213 to drive the mounting seat 23 to rotate around the rotating shaft 233, so that a force application point at which the user holds the holding portion 213 is arranged close to one side of the box body 11 relative to a connection point of the handle assembly 20 and the door body 12, and the user can more conveniently lift the holding portion 213 to open the door body 12.

In this embodiment, in order to facilitate the user to hold the holding portion 213, the holding portion 213 of the handle 21 should extend out of the outer surface of the door body 12 as much as possible, and the extending length of the holding portion 213 should not be too long, so as to avoid the door body 12 from shaking during the opening process due to the too long extending of the holding portion 213 relative to the rotating portion 211. Obtain after the experiment of utility model people many times, it is relative to grip 213 the length of rotating part 211 is regular, grip 213 winds when connecting axle 231 outwards rotates 45 degrees, the user opens and shuts the door body 12 more firm in the use.

Further, a rotation portion 211 of the handle 21 is further provided with a limiting groove 2113 for limiting the rotation of the handle 21, and correspondingly, the mounting seat 23 is further provided with a protrusion 2353 engaged with the limiting groove 2113. When the limiting groove 2113 is clamped to the protrusion 2353, the handle 21 is fixed relative to the mounting seat 23, so that the rotation angle of the handle 21 around the connecting shaft 231 is limited, a user can hold the holding part 213 to drive the mounting seat 23 to rotate around the rotating shaft 233, and the door body 12 can be opened by lifting the holding part 213.

Further, in order to facilitate the fixing of the handle, the protrusions 2353 are symmetrically disposed at both sides of the mounting seat 23 with respect to the axial direction of the connection shaft 231.

In this embodiment, the refrigeration equipment 10 is provided with an upward opening, the door 12 is disposed above the box 11, and in order to ensure that the user can open and close the door 12 more easily, the handle 21 is wound around the rotation angle of the rotation shaft 233, which can be set to 90 degrees, so that the holding portion 213 is disposed below the rotation part 211, and the user can lift the holding portion 213 more conveniently.

Of course, the rotation angle of the handle 21 relative to the connecting shaft 231 and the rotating shaft 233 is a data value obtained by a person skilled in the art through several experiments. It is contemplated that the angle of rotation may be set to other values as desired. Therefore, all technical solutions that are the same as or similar to the present embodiment are covered by the protection scope of the present invention.

Further, in order to make the door body 12 open the in-process, the handle 21 is more firm with being connected of door body 12, assembly portion 253 still be provided with can with handle 21 is to binding face 2533 of the surface laminating of mount pad 23 one side handle 21 is in during the third state, binding face 2533 with handle 21 orientation the surface of mount pad 23 one side is laminated mutually for the user is opening door body 12 in-process, and the door body opening force that the user applyed not only can act on door body 12 through mount pad 23, still can pass through handle 21 and binding face 2533's cooperation transmission, makes door body 12 open the process handle 21 and is more firm with being connected of door body 12, avoids handle 21 to produce and rocks.

In this embodiment, the handle 21 has a plate-shaped body extending from the rotating portion 211 to the grip portion 213, and when the handle 21 is hidden in the handle groove 121, the extending direction of the plate-shaped body is the same as the longitudinal direction of the mounting surface of the door body 12 on which the handle 21 is mounted, so that the mounting dimension of the handle assembly 20 can be reduced, and the thickness of the door body 12 can be reduced.

In this embodiment, the handle assembly 20 further includes an ejecting device 27 for ejecting the grip portion 213 of the handle 21 from the handle groove 121. The pop-up device 27 can be configured as a torsion spring 271 sleeved on the connecting shaft 231, one end of the torsion spring 271 abuts against the mounting seat 23, and the other end of the torsion spring acts on the handle 21, so that under the elastic action of the torsion spring 271, the holding portion 213 rotates around the connecting shaft 231, and the holding portion 213 extends out of the outer surface of the door body 12.

Of course, the ejecting device 27 may also be provided as a spring located in the handle slot 121 or the handle fixing box 25, one end of the spring abuts against the handle slot 121 or the handle fixing box 25, and the other end of the spring abuts against the handle 21. When the handle 21 is hidden in the handle groove 121 or the handle fixing box 25, the spring is in a compressed state, and when the grip portion 213 needs to be ejected, the spring acts on the handle 21, so that the grip portion 213 protrudes from the outer surface of the door body 12.

In this embodiment, in order to hide the handle 21 in the handle groove 121 or the handle fixing box 25, the handle assembly 20 further includes a self-locking device 29, and the self-locking device 29 is used for locking the handle 21 in the handle groove 121, so that the handle 21 can be maintained in the first state, and the grip portion 213 is prevented from protruding out of the outer surface of the door body 12, thereby improving the smoothness of the product appearance.

In some embodiments of the present invention, when the handle 21 does not have the third state relative to the door 12, that is, the handle 21 and the door 12 are connected only by the connecting shaft 231 on the rotating shaft seat 23, the locking device 29 is also applicable. Of course, the locking device 29 is still applicable when the handle 21 has the third state relative to the door body 12.

Further, as shown in fig. 4, the self-locking device 29 may be configured as a push self-locking switch 30 located in the handle groove 121, and the handle 21 is further provided with a connecting portion 215 engaged with the push self-locking switch 30. The connecting portion 215 may be provided as a hook 2151 extending from the handle 21. Of course, the push self-locking switch 30 may be disposed in the handle fixing box 25 or the handle groove 121 to facilitate the assembly of the handle assembly 20.

Alternatively, the push-to-self lock switch 30 may be fixed to the handle fixing case 25 or the handle groove 121 by a fastener or a hook structure.

Specifically, as shown in fig. 10 to 15, the pressing self-locking switch 30 includes a housing 31, a locking member 33 for locking the hook 2151, and an elastic member 35 connecting the housing 31 and the locking member 33. The housing 31 is further provided with a slide 32, and the elastic element 35 can drive the locking element 33 to slide along the slide 32, so that the locking element 33 can lock or unlock the hook 2151.

The locking member 33 is provided with a receiving hole connected to the elastic member 35, one end of the elastic member 35 is connected to an inner wall of the receiving hole, and the other end of the elastic member 35 is connected to the housing 31. When the locking member 33 is retracted into the housing 31, the resilient member 35 is under compression.

Further, the locking member 33 includes a locking body 331, and two sets of claws 333 disposed on the locking body 331, wherein the two sets of claws 333 are disposed opposite to each other to form a holding space 335 for holding the hook 2151. The housing 31 is provided with an opening for extending or retracting the latch 333 into the housing 31. During the sliding of the locking member 33 along the slide 32, the two sets of claws 333 can extend or retract into the housing 31, so that the claws 333 are in an unlocked or locked state.

That is, under the action of the elastic member 35, the two sets of claws 333 can extend out of the housing 31, so that the claws 333 are in an open state, and the claws 333 can be disconnected from the hooks 2151. When a user applies force to the grip 213 to hide the grip 213 into the handle slot 121, the hook 2151 can push the pawl 333 to move into the housing 31, the size of the opening in the housing 31 is smaller than the size of the opening in the pawl 333, and under the action of the hook 2151 and the opening in the housing 31, the pawl 333 retracts into the retaining space 335, so that the pawl 333 is locked in the housing 31, and the hook 2151 is retained in the retaining space 335.

In this embodiment, the locking member 33 further includes a pull rod 337 connected to the locking body 331, one end of the pull rod 337 is movably connected to the locking body 331, and the other end of the pull rod 337 is slidable in the slide channel 32, so that the curved motion of the locking body 331 relative to the slide channel 32 can be converted into the reciprocating linear motion of extending or contracting the claw 333. The slide 32 has a first positioning portion 321 and a second positioning portion 323, and the second positioning portion 323 is provided near the claw 333 on the housing 31 to protrude from the claw 333 relative to the first positioning portion 321.

When the end of the pull rod 337 is located at the first positioning portion 321, the latch 333 is located in the housing 31, and the latch 333 and the hook 2151 are locked. When the end of the pull rod 337 is located in the second positioning portion 323, the latch 333 extends relative to the housing 31, the latch 333 is located outside the housing 31, and the latch 333 is in an open state, that is, the latch 333 and the hook 2151 are in a released state. When the end of the pulling rod 337 abuts against the second positioning portion 323, the lock body 331 is also prevented from being disengaged from the housing 31.

Optionally, a connecting hole movably connected to the end of the pull rod 337 is disposed on the lock catch body 331, and the end of the pull rod 337 is movably mounted in the connecting hole, so as to drive the lock catch body 331 and the claw 333 to reciprocate relative to the housing along the slide way 32.

Further, the slide way 32 further includes a guiding section connecting the first positioning portion 321 and the second positioning portion 323, the guiding section has a first guiding section 325 and a second guiding section 327 that are communicated with each other, the first guiding section 325 is configured to extend from the first positioning portion 321 to a direction away from the second positioning portion 323, and the second guiding section 327 extends from an end of the first guiding section 325 away from the first positioning portion 321 to the second positioning portion 323, so that the end of the pull rod 337 slides in the slide way 32 to achieve the extending of the claw 333.

In this embodiment, in order to facilitate the smoothness of the extending or contracting of the latch 333, at least two sets of guiding sections are disposed on the housing 31, and the two sets of guiding sections are disposed on two sides of the first positioning portion 321 respectively. As shown in fig. 13, in the housing 31, the guide section, the first positioning portion 321, and the second positioning portion 323 are arranged in an M shape, and an opening of the slide 32 of the M-shaped structure is arranged toward an opening of the housing 31.

In the process that the holding portion 213 extends outward, a user can press the holding portion 213 to move into the housing 31, the holding portion 213 drives the hook 2151 and the pawl 333 to move into the housing 31, and the pawl 333 drives the latch body 331 and the pull rod 337 to move, so that the end of the pull rod 337 slides from the first positioning portion 321 to the second guiding section 327 along the first guiding section 325; after the end of the pull rod 337 slides into the second guiding section 327 from the first guiding section 325, under the action of the elastic element 35, the elastic element 35 pushes the latch body 331 to move until the end of the pull rod 337 abuts against the second positioning portion 323, so that the latch 333 extends out of the housing 31.

When the holding portion 213 is hidden in the handle slot 121, a user can press the holding portion 213 to move into the housing 31, the holding portion 213 drives the hook 2151 and the latch 333 to move into the housing 31, the latch 333 drives the latch body 331 and the pull rod 337 to move, so that the end of the pull rod 337 slides from the second positioning portion 323 along the second guide section 327 to the first guide section 325; after the end of the pull rod 337 slides into the first guiding section 325 from the second guiding section 327, under the action of the elastic member 35, the elastic member 35 pushes the lock body 331 to move until the end of the pull rod 337 abuts against the first positioning portion 321, so that the latch 333 contracts the housing 31, the latch 2151 is held in the holding space 335, and the latch 2151 and the latch 333 are locked.

In another embodiment of the present invention, the connecting portion 215 may be further configured as an adsorbing member installed on the handle 21, and the pressing self-locking switch 30 is configured as a pressing type spring pushing device matched with the adsorbing member.

Specifically, the absorption member may be configured as a magnetic structure, and the pressing type spring pushing device is configured with a magnetic structure corresponding to the absorption member, so that the holding portion 213 is locked in the handle groove 121 by the magnetic absorption of the absorption member and the pressing type spring pushing device.

Of course, if the handle 21 is a metal member, it is only necessary to provide a magnetic structure on the push type spring pushing device. Therefore, all technical solutions the same as or similar to the present embodiment are covered in the protection solution of the present invention.

Alternatively, the pressing and ejecting device may be configured in a structure similar to that of the pressing and self-locking switch 30. That is, the pressing and ejecting device may be provided in the same structure as the pressing and self-locking switch 30 except that the claw 333 and the hook 2151 are provided differently.

In refrigeration plant 10 with storing space 112, be provided with the magnetic stripe door seal between box 11 and door 12 usually, in order to guarantee refrigeration plant 10 sealed between box 11 and the door 12, however in long-term use, because there is huge difference in temperature in the inside and outside both sides of door seal, make the door seal warp very easily, when causing door 12 to close, door 12 can not be sealed closed with box 11, and then leads to the air conditioning in refrigeration plant 10 to run off at the excessive speed, leads to power consumption to increase.

In this embodiment, as shown in fig. 16 to fig. 22, in order to solve the problem that the door seal is easily deformed, the handle assembly 20 further includes a locking hook 37 for locking the door 12 and the cabinet 11, the locking hook 37 is fixedly disposed relative to the rotating shaft 233, and the cabinet 11 is further provided with a locking notch 113 engaged with the locking hook 37; when the handle 21 is in the first state, the lock hook 37 and the lock notch 113 are in a locked state, so as to lock the door body 12 and the cabinet 11; when the handle 21 is shifted from the second state to the third state, the handle 21 rotates around the rotation shaft 233, so that the lock hook 37 and the lock notch 113 are in an unlocked state, and the door 12 and the cabinet 11 are unlocked.

Further, the locking hook 37 has a connection structure 371 connected to the rotation shaft 233, a hook tongue 373 engaged with the locking notch 113; the rotating shaft 233 is further provided with a limiting section 237, the cross section of the limiting section 237 is polygonal, and the connecting structure 371 is provided with a clamping hole 3711 matched with the limiting section 237. The connection structure 371 and the polygonal structure of the limiting segment 237 are connected to enable the locking hook 37 and the rotating shaft 233 to rotate synchronously, so as to prevent the locking hook 37 and the rotating shaft 233 from sliding relatively in the rotating direction.

Alternatively, the locking hook 37 is arranged in a rod-shaped configuration, i.e. the locking hook 37 has a rod-shaped body. The hook 373 is formed by bending from the end of the rod-shaped body. The connection structure 371 is disposed at an end of the rod-shaped body away from the knuckle 373.

As shown in fig. 17, when the handle 21 is in the first state and the second state relative to the door 12, the latch 373 of the latch hook 37 is located on one side of the door 12 facing the cabinet 11; as shown in fig. 19, when the handle 21 is in the third state relative to the door body 12, the locking hook 37 rotates relative to the handle 21, the hook tongue 373 of the locking hook 37 is located in the door body 12, and the hook tongue 373 and the locking notch 113 are disengaged, so that the door body 12 can be opened.

The utility model discloses an embodiment, in order to make the door body 12 open more laborsavingly, reduce the interior external differential pressure of refrigeration plant 10, handle subassembly 20 still includes helping hand door opener 39, and it is relative rotation axis 233 is fixed to be set up, and has ejecting structure 391. In the process of rotating the handle 21 relative to the door 12, the ejection structure 391 may abut against the box 11 or the door 12, so that the door 12 is opened.

Further, the assisted door opener 39 includes a supporting rod 393 fixedly connected to the rotating shaft 233, the ejector structure 391 is disposed at an end of the supporting rod 393, and the case 11 is further provided with an abutting portion 115 engaged with the ejector structure 391.

Furthermore, in order to avoid the abutting wear of the ejecting structure 391 on the box 11 during the opening process of the door 12, the door opening assisting device 39 further includes a pulley 397 disposed on the ejecting structure 391 to abut against the box 11 through the pulley 397.

Alternatively, the pulley 397 may be fixed to the ejector structure 391 of the support bar 393 by fasteners.

In this embodiment, the support rod 393 is further provided with a fixing structure 399 fixedly connected to the rotating shaft 233, the fixing structure 399 and the ejecting structure 391 are respectively disposed at two ends of the support rod 393, and the fixing structure 399 is provided with a clamping hole 3991 matched with the limiting section 237, so that the support rod 393 can synchronously rotate relative to the rotating shaft 233, and in the rotating process of the handle 21, the ejecting structure 391 can abut against the box 11, so that the door 12 is opened, the pressure difference between the inside and the outside of the storage space 112 is reduced, and further, a user can save more labor in the opening process of the door 12.

In this embodiment, the cross section of the limiting segment 237 is rectangular, and correspondingly, the locking hole 3711 or 3911 is also rectangular. Of course, it will be understood by those skilled in the art that the cross section of the limiting segment 237 is configured as a triangle, etc., as long as it is sufficient that the connecting structure 371 or the fixing structure 399 can rotate synchronously relative to the limiting segment 237. Therefore, all technical solutions that are the same as or similar to the present embodiment are covered by the protection scope of the present invention.

Further, the handle 21 is further provided with a groove matched with the pulley 397, so that the axial dimension of the pulley can be ensured to be large, and the pulley 397 is prevented from crushing the box body 11 in the opening process of the door body 12.

In some embodiments of the present invention, the assisted door opener 39 may be installed in the handle slot 121 or the handle fixing box 25, and the door body 12 and the handle fixing box 25 are further provided with an opening for the ejection structure 391 to extend out toward the box body 11. When the door body 12 is closed, the power-assisted door opening device 39 is accommodated in the mounting groove.

In some embodiments of the present invention, as shown in fig. 20 and 21, the latch hook 37 and the power-assisted door opener 39 can be not only mounted to the rotation shaft 233 of the handle assembly 20 together, but also can be disposed on the rotation shaft 233 as a separate structure, so that the latch hook or the power-assisted door opener rotates synchronously with respect to the handle. That is, one of the latch hook and the power-assisted door opening device may be provided on the handle assembly 20 of the refrigeration appliance 10.

In the handle assembly, the handle does not have the connecting shaft 231 between the door body and the handle fixing case, and the latch hook 29 and the power-assisted door opening device 39 can be applied similarly. That is, in this embodiment, the handle and the door body are connected by the rotating shaft 233, the handle is rotatable about the axis of the rotating shaft 233 toward the cabinet side with respect to the door body, and the latch hook 29 and the power-assisted door opening device 39 can be applied.

When the locking hook 37 and the door opener 39 are mounted to the position-limiting section of the rotating shaft together, the locking hook 37 and the door opener 39 may be integrated, as shown in fig. 22, and one end of the supporting rod 393 far away from the ejecting structure 391 is connected to a connecting structure 371 on the locking hook 37, so that the locking hook 37 and the door opener 39 can rotate synchronously relative to the rotating shaft 233.

Further, the locking hook 37 and the supporting bar 393 are disposed along the circumference of the rotating shaft 233. Optionally, the lock hook 37 and the support rod 393 may be disposed at 90 degrees, so that after the lock tongue on the lock hook 37 completely disengages from the lock opening 113 on the box 11, the ejection structure 391 abuts against the box 11, so as to open the door 12.

As shown in fig. 23 to 27, in order to prevent the door 12 from being operated and opened or to prevent the door 12 from being stolen in the storage space 112, in some embodiments of the present invention, the handle assembly 20 further includes a locking device 40 for locking the door 12 and the box 11, and the locking device 40 is used for limiting the rotation of the handle 21 and the locking hook 37 relative to the door 12, so as to prevent the door 12 from being operated and opened. Alternatively, the locking device 40 may be configured as a mechanical lock, a fingerprint lock, a combination lock, or the like.

Further, the locking device 40 includes a lock body 41 and a lock head 42 movable relative to the lock body. Wherein the lock body 41 is mountable on the handle 21, and the lock head 42 is disposed at the lock body 41 toward the inside of the handle groove 121 or the handle fixing box 25. A locking part 123 matched with the lock head is also arranged in the handle fixing box 25 or the handle groove 121.

Alternatively, the latch 123 may be provided as a protrusion 2353 formed inward from the inner wall of the handle securing box 25 or the handle groove 121. The locking device 40 is secured to the handle 21 by fasteners. When the locking device 40 needs to be locked, the lock head can be clamped on the protrusion 2353, so as to lock the handle 21 relative to the door body 12, and further fix the lock hook 37 relative to the door body 12, so that the lock hook 37 and the lock opening 113 on the box 11 are in a locked state.

In this embodiment, the locking device 40 and the locking hook 37 work in the process of opening and closing the door body 12 as follows: when the door 12 needs to be opened, a user may unlock the locking device 40, the holding portion 213 may extend out of the outer surface of the door 12, and the user holds the holding portion 213 to rotate relative to the door 12, so that the locking hook 37 and the locking notch 113 on the box 11 are unlocked, and the user may open the door 12.

When the door body 12 needs to be closed, a user holds the holding portion 213 to rotate relative to the door body 12, so that the locking hook 37 is locked with the locking notch 113 on the box body 11, and then the user pushes the holding portion 213 into the handle slot 121 or the handle fixing box 25, so that the locking device 40 is in a locking state, and further the handle 21 and the locking hook 37 can be limited to rotate relative to the door body 12, so that the door body 12 is in a locking state relative to the box body 11, and the door body 12 is prevented from being opened by misoperation.

As shown in fig. 27, when the grip portion 213 is pushed into the handle groove 121 or the handle fixing box 25, the outer surface of the handle 21 does not exceed the outer surface of the door body 12, and the handle is hidden in the handle groove 121, so that the handle is protected by the sidewall of the handle groove during transportation of the refrigeration equipment, the handle is prevented from being scratched and damaged, and the handle is prevented from falling off the door body after being collided.

Of course, the locking device 40 can also be used in combination with the structures of the power-assisted door opening device 39, the pressing self-locking door opening 29, the pressing type spring pushing device and the like, and the description is omitted.

To sum up, the utility model discloses a refrigeration plant 10's that provides in the embodiment beneficial effect lies in: when the door body 12 of the handle assembly 20 of the refrigeration equipment 10 needs to be opened, the user can rotate the handle 21 around the rotating shaft 233 to enable the holding portion 213 to rotate and move towards the direction of the box body 11, so that the user can lift the holding portion 213 to open the door body 12, the opening force required for opening the door body 12 can be reduced, and the door body 12 can be opened more conveniently. Meanwhile, when the door body 12 is closed, the handle assembly 20 can be hidden in the handle groove 121, and the requirement for smoothness of the appearance of a product is met.

It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.

The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.

Claims (12)

1. The utility model provides a refrigeration plant, its includes the box, the door body and locates handle subassembly on the door body, its characterized in that, still be provided with on the door body and be used for the installation handle groove of handle subassembly, handle subassembly includes:

the handle assembly is provided with a rotating part which is rotatably arranged relative to the door body and a holding part which is held by a user;

a mounting base having a connecting shaft connected to the rotating portion and a rotating shaft rotatably provided with respect to the door body, wherein an axial direction of the rotating shaft is perpendicular to an axial direction of the connecting shaft;

the handle at least has a first state, a second state and a third state, and in the first state, the handle is hidden in the handle groove, and the outer surface of the handle assembly does not exceed the outer surface of the door body outwards; when the handle is changed from the first state to the second state, the handle rotates around the connecting shaft, so that the holding part extends out of the handle groove; when the handle changes from the second state to the third state, the handle rotates around the rotating shaft to enable the holding part to rotate and move towards the direction of the box body.

2. The refrigeration equipment as claimed in claim 1, wherein the handle assembly further comprises a latch hook for locking the door body and the cabinet, the latch hook is fixedly arranged relative to the rotating shaft, a locking notch matched with the latch hook is arranged on the cabinet, and when the handle is in the first state, the latch hook and the locking notch are in a locking state to lock the door body and the cabinet; when the handle is changed from the second state to the third state, the handle rotates around the rotating shaft, so that the lock hook and the lock opening are in an unlocking state, and the door body and the box body are unlocked.

3. The refrigeration appliance according to claim 2, wherein the latch hook has a connection structure connected to the rotary shaft, a latch tongue engaged with the latch opening; the rotating shaft is provided with a limiting section, the cross section of the limiting section is in a polygonal arrangement, and the connecting structure is provided with a clamping hole matched with the limiting section.

4. The refrigeration appliance of claim 1 wherein the handle assembly further includes a power assisted door opener fixedly disposed relative to the rotatable shaft and having an ejection structure; in the process that the handle rotates relative to the door body, the ejection structure can abut against the box body or the door body, so that the door body is opened.

5. The refrigeration equipment as claimed in claim 4, wherein the power-assisted door opener comprises a support rod fixedly connected with the rotating shaft, the ejection structure is arranged at the end part of the support rod, and the box body is also provided with an abutting part matched with the ejection structure; in the process that the handle rotates relative to the door body, the handle drives the supporting rod to rotate synchronously, and the ejection structure extends out from the door body to one side of the box body so as to abut against the abutting part on the box body.

6. The refrigeration device as recited in claim 1 wherein the handle assembly further comprises a push self-locking switch disposed in the handle slot, the handle having a connection portion for engaging the push self-locking switch.

7. The refrigeration appliance according to claim 6, wherein said connecting portion is provided as a hook extending from a grip portion of said handle, and said push-on self-locking switch comprises a housing, a locking member for locking said hook, and an elastic member connecting said housing and said locking member; the shell is further provided with a slide way, and the elastic piece can drive the locking piece to slide along the slide way, so that the locking piece locks or unlocks the clamping hook.

8. The refrigeration equipment as claimed in claim 7, wherein the locking piece comprises a locking body and two sets of claws arranged on the locking body, and the two sets of claws are oppositely arranged to form a clamping space for clamping the hooks; in the process that the locking fastener slides along the slideway, the two groups of claws can extend out or contract into the shell, so that the claws are in an unclamped state or a locked state.

9. The refrigeration equipment as claimed in claim 8, wherein the latch member further comprises a pull rod connected with the latch body, one end of the pull rod is movably connected with the latch body, and the other end of the pull rod can slide in the slideway; the slideway is provided with a first positioning part and a second positioning part, and the second positioning part is arranged close to the extending position of the clamping jaw on the shell relative to the first positioning part; when the end part of the pull rod is positioned at the first positioning part, the clamping jaw is positioned in the shell, and the clamping jaw and the clamping hook are in a locking state; when the end part of the pull rod is positioned at the second positioning part, the claw extends out relative to the shell, and the claw and the clamping hook are in a loosening state.

10. The refrigeration apparatus according to claim 9, wherein the slide further includes a guide section connecting the first positioning portion and the second positioning portion, the guide section having a first guide section and a second guide section that communicate with each other, the first guide section being provided to extend from the first positioning portion in a direction away from the second positioning portion, the second guide section extending from an end of the first guide section away from the first positioning portion toward the second positioning portion.

11. The refrigeration appliance according to claim 1 wherein the handle assembly further comprises an ejection device for ejecting the gripping portion of the handle from within the handle slot.

12. The refrigeration device as claimed in claim 11, wherein the mounting seat has a joint portion connected to the rotating portion and a first mounting hole formed in the joint portion, the rotating portion is further provided with a second mounting hole matched with the first mounting hole, the connecting shaft can be disposed in the first mounting hole and the second mounting hole, the ejecting device is a torsion spring sleeved on the connecting shaft, one end of the torsion spring abuts against the mounting seat, and the other end of the torsion spring acts on the handle.

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