CN211451503U - Door body droop adjusting device and refrigerator - Google Patents

Abstract

The utility model discloses a door body droop adjusting device and a refrigerator, wherein the adjusting device comprises a fixed seat which is fixed on a box body; the hinge comprises a hinge plate and a rotating shaft, the front side part of the hinge plate is hinged with the door body through the rotating shaft, and the rear side part of the hinge plate is arranged on the fixed seat in a sliding manner; when the door body is lifted, the hinge plate slides along the direction opposite to the drooping horizontal component force direction of the door body; and the non-return mechanism is used for preventing the hinge plate from sliding and resetting after the door body is lifted. According to the door droop adjusting device, the hinge plate capable of sliding and the non-return mechanism are arranged, and the door droop resetting adjustment can be realized by lifting the door upwards, so that the operation is simple and convenient; the back non return mechanism of regulation can prevent that the flap from restoring to the throne and sliding, makes the auto-lock of a body can not flagging once more at normal position, has avoided the flagging phenomenon that causes the leakproofness not good, hold the interior air conditioning of cavity and leak outward of a body to the refrigeration effect of refrigerator has been improved.

Description

Door body droop adjusting device and refrigerator

Technical Field

The utility model relates to the technical field of, especially, relate to a door body flagging adjusting device and refrigerator.

Background

Traditional large-scale refrigerator is great for example to the door body of side by side combination refrigerator, leads to the door body heavier, uses the back door body probably because the dead weight is flagging when the refrigerator is long-time, causes the overlap joint distance of door strip of paper used for sealing and frame before the box to diminish, and the overlap joint distance of door strip of paper used for sealing and frame before the box diminishes the heat preservation effect that directly influences the refrigerator, and the cold air in the room can be followed the outflow of door strip of paper used for sealing, takes place to leak cold the phenomenon, has increased the energy consumption.

SUMMERY OF THE UTILITY MODEL

Based on this, the to-be-solved technical problem of the utility model is to provide a door body flagging adjusting device and refrigerator that can adjust the door body flagging, easy and simple to handle.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme to realize:

a door sag adjustment device comprising:

the fixing seat is used for being fixed on the box body;

the hinge comprises a hinge plate and a rotating shaft, the front side part of the hinge plate is hinged with the door body through the rotating shaft, and the rear side part of the hinge plate is arranged on the fixed seat in a sliding manner; when the door body is lifted, the hinge plate slides along the direction opposite to the drooping horizontal component force direction of the door body;

and the non-return mechanism is used for preventing the hinge plate from sliding and resetting after the door body is lifted.

Further, the check mechanism includes:

the ratchet wheel and pawl mechanism is arranged on the fixed seat; the ratchet wheel of the ratchet wheel and pawl mechanism realizes unidirectional rotation through the pawl;

the rack of the gear rack mechanism is arranged on the hinge plate, and the gear of the gear rack mechanism is coaxially fixed with the ratchet wheel; when the door body is lifted, the hinge plate slides and is driven by the gear rack mechanism, so that the ratchet wheel rotates.

Furthermore, a bracket is arranged on the fixed seat, the ratchet wheel is rotationally arranged on the bracket, and the pawl is arranged on the bracket in a swinging manner; the support is provided with a reset piece, and the reset piece is used for swinging and resetting the pawl.

Furthermore, a shifting block is arranged on the side surface of the pawl, a sliding groove is formed in the support, the shifting block is arranged in the sliding groove, and when the ratchet wheel rotates in a single direction, the pawl is driven to swing, so that the shifting block slides up and down along the sliding groove; the bottom end part of the sliding groove limits the shifting block to slide downwards and limits the reverse rotation of the ratchet wheel.

Further, the reset piece includes:

a thimble; the lower side surface of the end part of the thimble is provided with a first inclined surface;

one end of the spring is fixed with the support, and the other end of the spring is sleeved on the thimble;

one end of the pawl is a pawl part matched with the ratchet wheel, the upper side surface of the other end of the pawl is provided with a second inclined surface, and the second inclined surface is matched and abutted with the first inclined surface of the thimble.

Further, the pawl is a bidirectional pawl, and the pawl part at one end of the pawl comprises an upper pawl part and a lower pawl part; the lower side surface of the other end of the pawl is provided with a fourth inclined surface, the upper side surface of the end part of the thimble is provided with a third inclined surface, and the third inclined surface is matched with the fourth inclined surface; in the lifting process of the door body, the lower claw part is matched with the ratchet wheel; the shifting block is shifted upwards to enable the end part of the pawl to cross the thimble and be located on the upper side of the thimble, so that the third inclined plane is matched with the fourth inclined plane, the upper claw part is matched with the ratchet wheel, and the unidirectional rotation direction of the ratchet wheel is opposite to that of the lower claw part when the ratchet wheel is matched with the ratchet wheel.

Furthermore, the bracket is provided with a containing groove, and the ratchet wheel and the pawl are arranged in the containing groove; the one end of storage tank is provided with the mounting groove, the spring set up in the mounting groove, the one end of thimble is located in the mounting groove with spring coupling, the other end stretch out the mounting groove with the pawl butt.

Furthermore, a long hole is formed in the rear side of the hinge plate, a fastening piece is arranged in the long hole, and the hinge plate is connected with the fixed seat through the fastening piece.

The utility model discloses still include a refrigerator, including the box and the door body, include like foretell door body flagging adjusting device.

Furthermore, the fixing seat is arranged on the outer side face of the top of the box body, and the front side portion of the hinge plate is hinged with the outer side face of the top of the door body.

Compared with the prior art, the utility model discloses an advantage is with positive effect:

according to the door droop adjusting device, the hinge plate capable of sliding and the non-return mechanism are arranged, and the door droop resetting adjustment can be realized by lifting the door upwards, so that the operation is simple and convenient; the back non return mechanism of regulation can prevent that the flap from restoring to the throne and sliding, makes the auto-lock of a body can not flagging once more at normal position, has avoided the flagging phenomenon that causes the leakproofness not good, hold the interior air conditioning of cavity and leak outward of a body to the refrigeration effect of refrigerator has been improved.

Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when read in conjunction with the accompanying drawings.

Drawings

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

Fig. 1 is a front view of the refrigerator of the present invention;

fig. 2 is a top view of the refrigerator of the present invention;

fig. 3 is a perspective view of the door droop adjusting device of the present invention;

FIG. 4 is an enlarged view of the position A in FIG. 1, and is a state diagram of a shifting block during lifting adjustment of the door body;

fig. 5 is a sectional view of the door droop adjusting apparatus of the present invention, which is a matching view of the pawl and the ratchet wheel when the door is lifted and adjusted;

fig. 6 is a front view of the door droop adjusting device of the present invention, which is a state diagram of the shifting block when the door droop is adjusted;

fig. 7 is a sectional view of the door droop adjusting apparatus of the present invention, which is a matching view of the pawl and the ratchet wheel when the door droop is adjusted;

description of reference numerals:

a box body 1;

a door body 2;

a door droop adjusting device 3;

a fixed base 300; a support 310; a receiving groove 311; a chute 312; a mounting groove 313;

a hinge 400; a hinge plate 410; a slot 411; a rotating shaft 420;

a ratchet-pawl mechanism 500; a ratchet 510; a pawl 520; a claw portion 521; an upper jaw portion 522; a dial 523; a second slope 524; a fourth slope 525; a rotating shaft 526;

a rack and pinion mechanism 600; a rack 610; a gear 620;

a restoring member 700; a thimble 710; a first inclined surface 711; a third slope 712; a spring 720;

a screw 800.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and embodiments.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element 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" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1 to 7, an embodiment of the door droop adjusting apparatus 3 of the present invention is shown. After the door body 2 droops because of the dead weight, the lifting door body 2, through the utility model discloses a door body droops to one's shoulders adjusting device 3 makes the door body 2 reset to normal position. The door droop adjusting device 3 comprises a fixed seat 300, a hinge 400 and a check mechanism. The fixing base 300 is used for being fixed on the box body 1. The hinge 400 includes a hinge plate 410 and a rotating shaft 420, wherein the front side of the hinge plate 410 is hinged to the door body 2 via the rotating shaft 420, and the rear side of the hinge plate 410 is slidably disposed on the fixing base 300. When the door body 2 droops, the door body 2 is lifted, the hinge plate 410 can slide along the direction opposite to the direction of the horizontal component force drooping from the door body 2, and the non-return mechanism is used for preventing the sliding reset of the hinge plate 410 after the door body 2 is lifted. In the present embodiment, taking a right-hand door as an example, the door droop adjusting apparatus 3 is horizontally disposed on the right side of the cabinet 1. After the door body 2 is sagged, the left side of the door body 2 is lower than the right side, that is, the sagging direction is the left direction (arrow direction in fig. 2) in the horizontal component force direction and the downward direction (arrow direction in fig. 1) in the vertical component force direction. When the door body 2 is lifted, the hinge plate 410 slides rightwards along the fixing plate, and when the door body 2 is lifted to a normal position, the non-return mechanism enables the hinge plate 410 to be self-locked and cannot slide leftwards, so that the door body 2 is kept at the normal position, and the function of adjusting after the door body 2 droops is achieved.

According to the door droop adjusting device 3, the door body 2 droop resetting adjustment can be realized by upwards lifting the door body 2 through the arrangement of the slidable hinge plate 410 and the non-return mechanism, and the operation is simple and convenient; the back non return mechanism of regulation can prevent that flap 410 from restoring to the throne and sliding, makes the auto-lock of door body 2 can not flagging once more at normal position, has avoided the flagging phenomenon that causes the leakproofness not good, hold the interior air conditioning of cavity of door body 2 to leak outward to the refrigeration effect of refrigerator has been improved.

Specifically, as shown in fig. 3, the no-back mechanism includes a ratchet-pawl mechanism 500 and a rack-and-pinion mechanism 600.

The ratchet-pawl mechanism 500 is disposed on the fixing base 300. Ratchet wheel 510 of ratchet-pawl mechanism 500 is rotated in one direction by pawl 520.

The rack and pinion mechanism 600 includes a rack 610 and a pinion 620 engaged with each other, the rack 610 of the rack and pinion mechanism 600 is disposed on the hinge plate 410, and the pinion 620 of the rack and pinion mechanism 600 is coaxially fixed with the ratchet 510. In this embodiment, the hinge plate 410 and the rack 610 are preferably of an integral structure, that is, the hinge plate 410 is provided with a long tooth form along the left-right direction to form the rack 610. When the door body 2 is lifted, the hinge plate 410 slides rightwards, and is driven by the gear rack mechanism 600, so that the gear 620 and the ratchet wheel 510 rotate anticlockwise. The ratchet wheel 510 of the ratchet-pawl mechanism 500 rotates as a driving member, the pawl 520 acts on the ratchet wheel 510 as a driven member, and when the ratchet wheel 510 rotates counterclockwise, the pawl 520 does not limit the rotation of the ratchet wheel 510; when the flap 410 stops sliding rightward, the flap 410 tends to slide leftward due to the door body 2 drooping, i.e. the ratchet 510 tends to rotate reversely, and at this time, the pawl 520 abuts against the ratchet 510, so that the ratchet 510 cannot rotate reversely, i.e. cannot rotate clockwise, thereby preventing the flap 410 from sliding leftward, preventing the door body 2 from drooping again, and realizing self-locking. In the embodiment, the non-return mechanism is driven by the gear rack mechanism 600, so that the function of small distance adjustment can be realized; the ratchet-pawl mechanism 500 has a simple structure, realizes a non-return function, and is easy and convenient to operate.

In the embodiment, the holder 300 is provided with a bracket 310 integrally formed with the holder 300, the bracket 310 has a receiving groove 311, and the ratchet 510 and the pawl 520 are mounted in the receiving groove 311. Wherein, the ratchet 510 is rotatably disposed on the bracket 310, and the pawl 520 is swingably disposed on the bracket 310. The bracket 310 is provided with a reset member 700, and the reset member 700 is used for swing reset of the pawls 520.

Specifically, one end of the pawl 520 is a claw portion 521 engaged with the ratchet wheel 510, a dial 523 is provided on a side surface of the pawl 520, and the dial 523 and the claw portion 521 are respectively located on both sides of a rotating shaft 526 of the pawl 520. As shown in fig. 4, the bracket 310 is provided with a sliding groove 312, and the dial 523 is disposed in the sliding groove 312 and can slide up and down along the sliding groove 312. When the ratchet wheel 510 rotates counterclockwise, the tooth crest of the ratchet wheel 510 drives the claw portion 521 of the pawl 520 to move downward, at this time, the dial 523 moves upward along the sliding slot 312, when the claw portion 521 slides into the tooth root slot of the ratchet wheel 510, the pawl 520 is reset under the action of the reset piece 700, the dial 523 moves downward along the sliding slot 312, and thus, during the counterclockwise rotation of the ratchet wheel 510, the dial 523 reciprocates up and down along the sliding slot 312. When the claw portion 521 of the pawl 520 is located in the tooth root groove of the ratchet wheel 510, the shift block 523 is located at the bottom end of the sliding slot 312, and the bottom end portion of the sliding slot 312 limits the downward sliding of the shift block 523, so that the reverse rotation of the ratchet wheel 510 is limited. In this embodiment, the sliding groove 312 and the shifting block 523 are arranged to cooperate with each other, so that the swinging motion of the pawl 520 can be guided, the stability of the ratchet-pawl mechanism 500 is improved, and meanwhile, the shifting block 523 is limited at the bottom of the sliding groove 312 to realize the non-return function of the ratchet 510. In another embodiment, a protruding stopper may be provided on the holder 310 below the pawl 520 to abut against the lower portion of the pawl 520, so that the claw portion 521 of the pawl 520 may be prevented from swinging upward.

Specifically, as shown in fig. 5, the reset element 700 includes a thimble 710 and a spring 720 sleeved on the thimble 710. One end of the spring 720 is fixed to the bracket 310, and the other end is sleeved on the thimble 710. Specifically, one end of the receiving groove 311 is provided with a mounting groove 313, the spring 720 is disposed in the mounting groove 313, one end of the thimble 710 is located in the mounting groove 313 and connected to the spring 720, and the other end extends out of the mounting groove 313 and abuts against the pawl 520. The lower side surface of the end part of the thimble 710 extending out of the mounting groove 313 is provided with a first inclined surface 711; the upper surface of the other end of the pawl 520 opposite to the pawl portion 521 has a second inclined surface 524, the second inclined surface 524 is located below the first inclined surface 711, and the second inclined surface 524 is in fit abutment with the first inclined surface 711 of the thimble 710. When the ratchet wheel 510 rotates counterclockwise to drive the claw portion 521 of the pawl 520 to move downwards, the other end (the end with the second inclined surface 524) of the pawl 520 moves upwards, and the thimble 710 is driven to retract towards the mounting groove 313 under the inclined surface structure of the first inclined surface 711 and the second inclined surface 524; when the ratchet 510 rotates counterclockwise until the claw portion 521 of the pawl 520 is located at the root of the tooth of the ratchet 510, the spring 720 pushes the thimble 710 to return, and the thimble 710 in turn pushes the pawl 520 to return. In other embodiments, the spring 720 may be disposed at the bottom of the bracket 310, and one end of the spring 720 may be fixed to the bracket 310 and the other end may be connected to the pawl 520, so that the pawl 520 may be reset.

In the regulation process of the lifting door body 2, it is too big to probably appear exerting oneself, with the too big lifting distance of door body 2, produces the condition that door body 2 is higher than box 1 and takes place, because the one-way regulation effect of non return mechanism this moment, the unable rethread of door body 2 makes its decline through the regulation, in order to solve this kind of condition, further, as shown in fig. 7, the utility model discloses design pawl 520 for two-way pawl 520, the pawl of pawl 520 one end includes pawl 522 and lower pawl. The top side of the end of the thimble 710 has a third inclined surface 712, correspondingly, the bottom side of the other end of the pawl 520 has a fourth inclined surface 525, and the third inclined surface 712 is matched with the fourth inclined surface 525. In the present embodiment, the pawl 520 has a vertically symmetrical structure; the end of the thimble 710 is tapered to form the first inclined surface 711 and the third inclined surface 712. During the lifting process of the door body 2, the claw portion 521 of the pawl 520 described above is the lower claw portion 521, and the lower claw portion 521 is matched with the ratchet wheel 510, and the action principle is as described above and will not be described in detail.

As shown in fig. 6 and 7, when the adjustment position is too large, so that the door body 2 is higher than the case 1, the dial 523 can be manually shifted upward, the end of the pawl 520 passes over the thimble 710 and is located on the upper side of the thimble 710, the third inclined surface 712 is in abutting engagement with the fourth inclined surface 525, at this time, the upper pawl 522 is engaged with the ratchet wheel 510, at this time, the unidirectional rotation direction of the ratchet wheel 510 is opposite to the unidirectional rotation direction when the lower pawl 521 is engaged with the ratchet wheel 510, that is, at this time, the ratchet wheel 510 can only rotate clockwise, so that the door body 2 can be adjusted downward to the normal position. The action principle of the lower claw portion 521 and the upper claw portion 522 of the pawl 520 is the same as that of the ratchet wheel 510, and the description thereof is omitted.

In this embodiment, the rear side of the hinge plate 410 is provided with a long hole 411 arranged along the left-right direction, a fastener is arranged in the long hole 411, and the hinge plate 410 is slidably connected with the fixing base 300 through the fastener. The fastening member is preferably a screw 800, the screw 800 is fixed on the fixing base 300, and the hinge plate 410 can slide along the screw 800 of the fixing base 300 through the elongated hole 411. The elongated hole 411 may be formed at the right side or the left side of the hinge plate 410, or at both the left and right sides.

The utility model discloses still include a refrigerator, refer to fig. 1, the refrigerator includes box 1, the door body 2 and the aforesaid flagging adjusting device 3 of the door body. Since the door body 2 has severe sagging deformation at the upper hinge 400 of the door body 2, in the present embodiment, it is preferable that the door body sagging adjusting device 3 is disposed at the top of the refrigerator, that is, the fixing seat 300 is disposed at the outer side of the top of the refrigerator body 1, and the front side of the hinge plate 410 is hinged to the outer side of the top of the door body 2. Or a door droop adjusting device 3 is also arranged on the lower sides of the box body 1 and the door body 2 for increasing the strength. The door droop adjusting apparatus 3 may further include an upper cover (not shown) to cover the fixing base 300 and the hinge plate 410. In other embodiments, the door droop adjusting device 3 may be hidden at the top of the inner container of the box 1 to improve the appearance.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or that equivalents may be substituted for elements thereof; such modifications and substitutions do not depart from the spirit and scope of the present invention, which is claimed.

Claims (10)

1. A door droop adjusting apparatus, comprising:

the fixing seat is used for being fixed on the box body;

the hinge comprises a hinge plate and a rotating shaft, the front side part of the hinge plate is hinged with the door body through the rotating shaft, and the rear side part of the hinge plate is arranged on the fixed seat in a sliding manner; when the door body is lifted, the hinge plate slides along the direction opposite to the drooping horizontal component force direction of the door body;

and the non-return mechanism is used for preventing the hinge plate from sliding and resetting after the door body is lifted.

2. The door droop adjusting apparatus according to claim 1, wherein the check mechanism comprises:

the ratchet wheel and pawl mechanism is arranged on the fixed seat; the ratchet wheel of the ratchet wheel and pawl mechanism realizes unidirectional rotation through the pawl;

the rack of the gear rack mechanism is arranged on the hinge plate, and the gear of the gear rack mechanism is coaxially fixed with the ratchet wheel; when the door body is lifted, the hinge plate slides and is driven by the gear rack mechanism, so that the ratchet wheel rotates.

3. The door body droop adjusting device according to claim 2, wherein a support is arranged on the fixed seat, the ratchet wheel is rotatably arranged on the support, and the pawl is arranged on the support in a swinging manner; the support is provided with a reset piece, and the reset piece is used for swinging and resetting the pawl.

4. The door body droop adjusting device according to claim 3, wherein a shifting block is arranged on a side surface of the pawl, a sliding groove is formed in the support, the shifting block is arranged in the sliding groove, and when the ratchet wheel rotates in a single direction, the pawl is driven to swing so that the shifting block slides up and down along the sliding groove; the bottom end part of the sliding groove limits the shifting block to slide downwards and limits the reverse rotation of the ratchet wheel.

5. The door droop adjusting apparatus of claim 4, wherein the reset member comprises:

a thimble; the lower side surface of the end part of the thimble is provided with a first inclined surface;

one end of the spring is fixed with the support, and the other end of the spring is sleeved on the thimble;

one end of the pawl is a pawl part matched with the ratchet wheel, the upper side surface of the other end of the pawl is provided with a second inclined surface, and the second inclined surface is matched and abutted with the first inclined surface of the thimble.

6. The door body droop adjusting device according to claim 5, wherein the pawl is a bidirectional pawl, and the pawl part at one end of the pawl comprises an upper pawl part and a lower pawl part; the lower side surface of the other end of the pawl is provided with a fourth inclined surface, the upper side surface of the end part of the thimble is provided with a third inclined surface, and the third inclined surface is matched with the fourth inclined surface; in the lifting process of the door body, the lower claw part is matched with the ratchet wheel; the shifting block is shifted upwards to enable the end part of the pawl to cross the thimble and be located on the upper side of the thimble, so that the third inclined plane is matched with the fourth inclined plane, the upper claw part is matched with the ratchet wheel, and the unidirectional rotation direction of the ratchet wheel is opposite to that of the lower claw part when the ratchet wheel is matched with the ratchet wheel.

7. The door droop adjusting apparatus according to claim 5, wherein the bracket has a receiving groove, and the ratchet and the pawl are mounted in the receiving groove; the one end of storage tank is provided with the mounting groove, the spring set up in the mounting groove, the one end of thimble is located in the mounting groove with spring coupling, the other end stretch out the mounting groove with the pawl butt.

8. The door body droop adjusting device according to claim 1, wherein a long hole is formed in the rear side of the hinge plate, a fastener is arranged in the long hole, and the hinge plate is connected with the fixed seat through the fastener.

9. A refrigerator comprising a refrigerator body and a door body, characterized by comprising the door body droop adjusting apparatus according to any one of claims 1 to 8.

10. The refrigerator as claimed in claim 9, wherein the fixing seat is disposed at an outer side surface of a top of the cabinet, and a front side portion of the hinge plate is hinged to an outer side surface of a top of the door body.

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