CN108106318A - For the lazy-tongs of slide and with its pull component and refrigerator - Google Patents

For the lazy-tongs of slide and with its pull component and refrigerator Download PDF

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Publication number
CN108106318A
CN108106318A CN201711465499.3A CN201711465499A CN108106318A CN 108106318 A CN108106318 A CN 108106318A CN 201711465499 A CN201711465499 A CN 201711465499A CN 108106318 A CN108106318 A CN 108106318A
Authority
CN
China
Prior art keywords
pair
slide
gear
lazy
fixed seat
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201711465499.3A
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Chinese (zh)
Inventor
何文华
聂俊
吴光瑞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Haier Co Ltd
Original Assignee
Qingdao Haier Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qingdao Haier Co Ltd filed Critical Qingdao Haier Co Ltd
Priority to CN201711465499.3A priority Critical patent/CN108106318A/en
Publication of CN108106318A publication Critical patent/CN108106318A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D25/00Charging, supporting, and discharging the articles to be cooled
    • F25D25/02Charging, supporting, and discharging the articles to be cooled by shelves
    • F25D25/024Slidable shelves
    • F25D25/025Drawers

Abstract

The present invention provides a kind of lazy-tongs for slide, slide includes a pair of of the sliding rail rack being arranged in parallel and a pair of of the shifting sledge being arranged on a pair of of sliding rail rack, and lazy-tongs include:A pair of of gear is rotatablely arranged at the opposite inside back of a pair of of shifting sledge respectively;Connecting rod is across between slide, and its both ends is connected respectively with a pair of of gear;A pair of of rack is respectively arranged on a pair of of sliding rail rack, and is meshed respectively with a pair of of gear;The front end of a pair of of rack along pull-out direction is both provided with anodontia section, when shifting sledge is drawn out to extreme position forward with respect to sliding rail rack, a pair of of gear to be made to depart from a pair of of rack in anodontia section.The lazy-tongs for slide of the present invention can be used for the position relationship of the synchronous corresponding rack of two side gears in the push-in initial position adjustment of slide, so that two side gears remain concentric in the push-on process of slide, it is ensured that the synchronous operation of two wood side-guides.

Description

For the lazy-tongs of slide and with its pull component and refrigerator
Technical field
The present invention relates to sliding rail technical field, more particularly to a kind of lazy-tongs for slide.
Background technology
The existing slide track component applied to pulls components such as drawers may be due to unbalance stress during by push-and-pull Cause two wood side-guides asynchronous, therefore pull component during push-and-pull is caused to swing, usability is bad.It is of the prior art to be used for slide The lazy-tongs of component force two wood side-guide synchronizing moving effects limited by connecting the shifting sledge in the slide track component of both sides, and Nonsynchronous in slide, existing lazy-tongs may result in the more serious dislocation of slide.
The content of the invention
It is an object of the present invention to provide a kind of lazy-tongs for improving slide both sides synchronization degree.
The present invention one is further objective is that will cause lazy-tongs to have the function of self-adjusting, with different in slide both sides The mobile status of slide is adjusted during step.
The present invention another further objective is that simplify the assembling of slide and lazy-tongs.
Particularly, the present invention provides a kind of lazy-tongs for slide, the slide includes a pair being arranged in parallel Sliding rail rack and a pair of of the shifting sledge being arranged on the pair of sliding rail rack, the lazy-tongs include:
A pair of of gear is rotatablely arranged at the opposite inside back of the pair of shifting sledge respectively;
Connecting rod is across between the slide, and its both ends is connected respectively with the pair of gear, so that the pair of tooth Wheel rotates synchronously;
A pair of of rack is respectively arranged on the pair of sliding rail rack, and is meshed respectively with the pair of gear;Wherein
The installation direction of the pair of rack is consistent compared with the push-and-pull direction of the sliding rail rack with the shifting sledge, And the length of the rack is corresponding with the push-and-pull stroke of the slide;And
The front end of the pair of rack along pull-out direction is both provided with anodontia section, with relatively described in the shifting sledge When sliding rail rack is drawn out to forward extreme position, the pair of gear is made to depart from the pair of rack in the anodontia section.
Further, the lazy-tongs further include:
A pair of of fixed seat is individually fixed in the opposite inside back of the pair of shifting sledge;
A pair of of support sleeve is respectively arranged in the pair of fixed seat, is arranged to be respectively perpendicular to its center axis The pair of fixed seat;Wherein
Each support sleeve is respectively provided with one towards the first end of the corresponding fixed seat and away from corresponding institute State the second end of fixed seat;
Each fixed seat offers receiving hole, and at least part edge of the receiving hole is provided with occlusion part, and It is configured in the inside of the fixed seat from the part edge to the internal stretch of the receiving hole, with appearance described in shield portions Receive hole;And
The first end of each support sleeve is removably connected in the receiving of the corresponding fixed seat In hole, the second end is rotatably coupled with the corresponding gear.
Further, the receiving hole is configured to elongated square hole, the front end hole wall along the pull-out direction of the square hole The part upper end hole wall and part lower end hole wall being connected with the front end hole wall be configured to where the receiving hole plane to Extension on the inside of the fixed seat, to form the stop wall that three side sealing closes;
By the extending end phase for the stop wall that part upper end hole wall and part lower end hole wall extend to form Extend to bending, to form two opposite occlusion parts on the inside of the fixed seat.
Further, the outside of the first end of the support sleeve is square stepped, and with base plate and position Connecting portion on the inside of the base plate;
The first end is configured to, and when the base plate is completely embedded into at least partly receiving hole, makes the bottom plate Portion and the connecting portion are bonded conflict with any occlusion part along two mutually orthogonal directions respectively.
Further, the rear portion of the square hole along the pull-out direction, which is formed with, force-applied move and releases stress and can reset Abutting portion, the abutting portion is configured to from rear end hole wall to extend to the stop wall forward and to tilting on the inside of the fixed seat Rear;
The extending end of the abutting portion to bend on the outside of the fixed seat and continue to extend to the fixed seat with it is described The interface of shifting sledge, to be formed through the conflict end of the receiving hole;And
The abutting portion be configured to it is force-applied be moved to the receiving hole towards the fixed seat where plane in, with permit Perhaps described base plate is inserted into the receiving hole and from back to front after the base plate is completely embedded into the receiving hole, can answer Position simultaneously makes the conflict end recover to positioned at the rear of the stop wall, the base plate to be prevented to depart from the receiving hole.
Further, the second end of the support sleeve is externally formed with annular convex platform;
It is formed with annular cavity on the outside of the direction shifting sledge of the gear, shape on the bottom of chamber of the annular cavity It into there is multiple grabs, and is configured to rotationally be clamped with the annular convex platform, to pass through the institute being fixed in the fixed seat Support sleeve is stated to be rotatably installed on the shifting sledge;And
Multiple grabs are respectively positioned on the imaginary annulus of one concentric with the annular cavity.
Further, the quantity of the grab is four, is configured to have and is evenly spaced apart to be distributed in the imaginary annulus On;
The grab is configured to extend perpendicular to the end face outside no more than the gear, the card with the bottom of chamber The center of chimoto towards the imaginary annulus is bent, with the boss face card with the direction of the annular convex platform first end It connects, so as to limit axial movement of the gear compared with the support sleeve.
Further, the inside of the support sleeve is stepped in a ring, and is configured to make to be located inside the second end The second inner hole of shaft sleeve be more than be located at the first end inside the first inner hole of shaft sleeve, in the first end and the second end Inside intersection form internal boss.
The present invention also provides a kind of pull components, are equipped with according to foregoing any one of them slide and for the slide Lazy-tongs, wherein,
The both lateral sides of the pull component are respectively arranged with branch iron brace, to connect the pair of shifting sledge;Or
The pair of shifting sledge is respectively arranged at the both lateral sides of the pull component, and be configured to by connector with The pull component is directly connected to fix.
The present invention also provides a kind of refrigerator, including defining the babinet of storage space, being arranged at the in vivo pull of the case Component and according to foregoing any one of them slide and the lazy-tongs for the slide, wherein,
The sliding rail rack is fixed on the box house;
The pull component is installed on the shifting sledge, and being configured to can controlled level immigration or the horizontal removal storing Space.
The lazy-tongs for slide of the present invention can be used for synchronous both sides tooth in the push-in initial position adjustment of slide The position relationship of corresponding rack is taken turns, so that two side gears remain concentric in the push-on process of slide, really Protect the synchronous operation of two wood side-guides.
Further, lazy-tongs of the invention cause after shifting sledge is pulled out from sliding rail rack, connect respectively with the two The gear and rack connect does not engage, as a result, when shifting sledge is pushed into sliding rail rack again, the engagement of one side rack-and-pinion Or contact position can be adjusted with the position of opposite side rack-and-pinion, so that lazy-tongs realize that engagement locating self-adjustable is whole.
Further, support sleeve of the invention can be embedded in without additional attachment and be fixed in fixed seat, And pass through fixed seat and be fixed on shifting sledge, simplify the assembling of lazy-tongs.
According to the accompanying drawings to the detailed description of the specific embodiment of the invention, those skilled in the art will be brighter The above and other objects, advantages and features of the present invention.
Description of the drawings
Some specific embodiments of detailed description of the present invention by way of example, and not by way of limitation with reference to the accompanying drawings hereinafter. Identical reference numeral denotes same or similar component or part in attached drawing.It should be appreciated by those skilled in the art that these What attached drawing was not necessarily drawn to scale.In attached drawing:
Fig. 1 is the perspective schematic view of slide and lazy-tongs according to an embodiment of the invention;
Fig. 2 is the schematic partial enlarged view of slide shown in Fig. 1 and lazy-tongs;
Fig. 3 is the perspective schematic view of a wood side-guide according to an embodiment of the invention;
Fig. 4 is the perspective schematic view of rack according to an embodiment of the invention;
Fig. 5 is the schematic, exploded of lazy-tongs according to an embodiment of the invention;
Fig. 6 is the partial sectional schematic side view of lazy-tongs according to an embodiment of the invention;
Fig. 7 is the partial sectional schematic side view of lazy-tongs in accordance with another embodiment of the present invention;
Fig. 8 is the schematic side elevation of fixed seat according to an embodiment of the invention and support sleeve;
Fig. 9 is the schematic cross sectional views intercepted along the cutting line A-A in Fig. 8;
Figure 10 is the schematic diagram of pull component according to an embodiment of the invention;
Figure 11 is the partial schematic structure chart of refrigerator according to an embodiment of the invention;
Figure 12 is the partial schematic structure chart of refrigerator according to an embodiment of the invention in the other state.
Specific embodiment
Fig. 1 is the perspective schematic view of the lazy-tongs according to an embodiment of the invention for slide.Fig. 2 is Fig. 1 The schematic partial enlarged view of shown slide and lazy-tongs.Slide may include a pair of of the slide branch being arranged in parallel in general manner Frame 101 and a pair of of the shifting sledge 102 being arranged on a pair of of sliding rail rack 101.Lazy-tongs may include a pair of of gear 201, connect Connect the connecting rod 203 of a pair of of gear 201 and a pair of of rack 202.Specifically, a pair of of gear 201 can be rotatablely arranged at one respectively The inside back opposite to shifting sledge 102.Connecting rod 203, which can be configured to, to be across between slide, and the both ends difference of connecting rod 203 It is connected with a pair of of gear 201, so that a pair of of gear 201 rotates synchronously.A pair of of rack 202 can be respectively arranged at a pair of of sliding rail rack On 101, and it is configured to be meshed with a pair of of gear 201 respectively.The installation direction of a pair of of rack 202 can be configured to and shifting sledge 102 is consistent compared with the push-and-pull direction of sliding rail rack 101, and the length of rack 202 is corresponding with the push-and-pull stroke of slide.
It should be noted that " inside " that occurs above and " outside " that is present with is each meant relative position hereinafter. Specifically, slide generally has the transverse center plane of symmetry, and a pair of of sliding rail rack 101 and a pair of of shifting sledge 102 are each configured to phase Symmetrical to the central symmetry plane, the both sides of central symmetry plane are respectively provided with a sliding rail rack 101 and a shifting sledge 102. As a result, in case of no particular description, the direction of lazy-tongs various components or close to the transverse center plane of symmetry one Side is " inside ", deviates from or the one side away from the transverse center plane of symmetry is " outside ".These terms are for only for ease of It describes and understands technical scheme rather than indicate or imply that signified device or component must be with specific square Position, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
Fig. 3 is the perspective schematic view of a wood side-guide according to an embodiment of the invention.Fig. 4 is one according to the present invention The perspective schematic view of the rack 202 of embodiment.Particularly, a pair of of rack 202 in lazy-tongs of the invention is along pull-out side To front end be both provided with anodontia section 202a, to be drawn out to extreme position forward with respect to sliding rail rack 101 in shifting sledge 102 When, a pair of of gear 201 is made to depart from a pair of of rack 202 in anodontia section 202a.It that is to say, in the case where pulling out limiting condition, gear 201 It can be moved relative to rack 202 along multiple directions, from the limitation of tooth form engagement.
In the prior art, when forceding back towards sliding rail rack 101 after shifting sledge 102 is drawn out again, since a pair is mobile Lateral separation between slide 102 is generally large, therefore is easy to the nonsynchronous phenomenon of two wood side-guides occur.In the prior art, Understand by carrying out the synchronization of slide to slide increase by 201 rack 202 of meshed gears combination always, but in this case, If the gear 201 and rack 202 and the gear 201 of opposite side and the position of engagement of rack 202 in certain one side be not corresponding, can aggravate The asynchrony phenomenon of slide or even it is damaged slide.
The lazy-tongs of the present invention after shifting sledge 102 is pulled out from sliding rail rack 101, to be connected with the two respectively Gear 201 and rack 202 do not engage, the rack 202 not rotation of limiting gear 201 or moving direction.Work as shifting sledge as a result, 102 when being pushed into sliding rail rack 101 again, and the engagement of 201 rack 202 of a side gear or contact position can be with another side gears The position of 201 racks 202 is adjusted.More precisely, the engagement of two side gears, 201 rack 202 or contact position can be mutual Influence is mutually adjusted, so that lazy-tongs realize that engagement locating self-adjustable is whole.
Specifically, if since thrust is uneven slide is made to generate inclination, make the gear 201 on one side shifting sledge 102 first It is engaged in the gear 201 on opposite side shifting sledge 102 with rack 202, the rack 202 of the engagement side can be in gear 201 Rotation direction generates certain resistance and it is prevented to be rotated further when having deflection.At this point, due to another side gear 201 not with rack 202 engagements, therefore will not be subject to resistance, so as to be relatively easily rotated further until another side gear 201 also with rack 202 occur engagement and with having occurred and that meshed gears 201 is located at same lateral position before this.Position after self-adjusting In same lateral position two gears 201 can in the case where keeping meshing state, by connecting rod 203 rotate synchronously to The rear end of rack 202, thereby guarantee that two wood side-guides slide synchronism, avoid two wood side-guides push-in initial position (namely It is the extreme position pulled out) asynchronous and 201 rack of gear, 202 position of engagement the problem of can not corresponding to for generating.
The lazy-tongs for slide of the present invention can be used for synchronous both sides tooth in the push-in initial position adjustment of slide The position relationship of 201 corresponding racks 202 is taken turns, so that two side gears 201 remain same in the push-on process of slide Heart shaped state, it is ensured that the synchronous operation of two wood side-guides.
In some embodiments of the invention, the rear end of a pair of of rack 202 along pull-out direction is both provided with anodontia section 202a, when shifting sledge 102 is urged rearwardly into respect to sliding rail rack 101 to extreme position, to make a pair of of gear 201 in no-teeth Section 202a departs from a pair of of rack 202.It that is to say, the rear and front end per toothed rack 202 is respectively provided with anodontia section 202a.The nothing of rear end The effect of tooth section 202a is similar to the anodontia section 202a of front end.
Specifically, in the lazy-tongs of the prior art, when pull door body (or the drawer protecgulum for using slide guiding mobile When structures) due to slide it is asynchronous and generate inclination when, shifting sledge 102 still can be in larger external force in some cases Lower slider is promoted to the rear end of sliding rail rack 101.But since pull door body is always in heeling condition, when one side, door body is extensive It is multiple to closed position when, opposite side door body can due to 201 rack 202 of gear side set and be turned off the conflict power of door body one side without Method completely closes.The one side door body that is to say to be bonded with babinet 1 and opposite side door body can there are gaps between babinet 1.
Different from the prior art, the anodontia section 202a of 202 rear end of lazy-tongs rack of the invention allows gear 201 It moves freely or rotates, that is to say that the conflict power for being turned off door body one side can almost promote to be not turned off door body one side without resistance Gear 201 is moved to the correct position of engagement, thus adjusts two side gears 201 to positioned at same lateral position, ensures both sides Door body can normal switching-off.
In some embodiments of the invention, anodontia section 202a can be configured to the center of rotation when gear 201 in rack When projection on 202 is located in the middle part of anodontia section 202a, gear 201 is allowed to be freely rotated.It that is to say, anodontia section 202a has The space that gear 201 is allowed to be freely rotated in situ, so that gear 201 is by being freely rotated the dislocation realized in a lateral direction Adjustment.
Fig. 5 is the schematic, exploded of lazy-tongs according to an embodiment of the invention.Fig. 6 is one according to the present invention The partial sectional schematic side view of the lazy-tongs of embodiment.Fig. 7 is the office of lazy-tongs in accordance with another embodiment of the present invention Portion's schematic cross sectional views.
In some embodiments of the invention, lazy-tongs further include:A pair of of fixed seat 300 and a pair of of support sleeve 400. A pair of of fixed seat 300 can be individually fixed in the opposite inside back of a pair of of shifting sledge 102.A pair of of support sleeve 400 can be distinguished It is installed in a pair of of fixed seat 300, is arranged to that its center axis is made to be respectively perpendicular to a pair of of fixed seat 300.Each support sleeve 400 can be respectively provided with one towards the first end 401 of corresponding fixed seat 300 and the second end away from corresponding fixed seat 300 402.It that is to say, each gear 201 is rotatably installed on a support sleeve 400, and is passed through the support sleeve 400 and pacified Loaded in a fixed seat 300 and being further advanced by the fixed seat 300 and be installed on a shifting sledge 102.
In some embodiments of the invention, each fixed seat 300 offers receiving hole 301, and receiving hole 301 is at least Part edge is provided with occlusion part 301b, and is configured in the inside of fixed seat 300 from part edge to the inside of receiving hole 301 Extension, divides receiving hole 301 with occlusion part 301b.The first end 401 of each support sleeve 400 is removably connected in corresponding solid In the receiving hole 301 of reservation 300, second end 402 is rotatably coupled with corresponding gear 201.
The gear 201 of the present invention is connected by support sleeve 400 and fixed seat 300 with shifting sledge 102 indirectly so that Each component can be separately fabricated, simplifies manufacturing process.Particularly, since the installation of 201 final step of gear can be by fixing Seat 300 is realized by arbitrary general connector, is enhanced the flexibility of 201 installation site of gear, and is made the synchronization of the present invention Mechanism is suitable for a variety of slides.In addition, compared to the direct axle sleeve for being formed to install gear 201, it is of the invention only Requirement of the shifting sledge 102 connected with fixed seat 300 to its own material therefor intensity is needed to substantially reduce, so as to significantly Manufacture cost is reduced, and makes producer's range of choice with bigger when carrying out manufacture selection to slide.
Fig. 8 is the schematic side elevation of fixed seat 300 according to an embodiment of the invention and support sleeve 400.Fig. 9 is The schematic cross sectional views intercepted along the cutting line A-A in Fig. 8.
In some embodiments of the invention, receiving hole 301 is configured to elongated square hole, the front end along pull-out direction of square hole Hole wall and the part upper end hole wall being connected with front end hole wall and part lower end hole wall are configured to from 301 place plane of receiving hole to admittedly 300 inside extension of reservation, to form the stop wall 301a that three side sealing closes.Further, by part upper end hole wall and part lower end The extending end for the stop wall 301a that hole wall extends to form bends extension in opposite directions, opposite to form two in 300 inside of fixed seat Occlusion part 301b.
It that is to say, support sleeve 400 of the invention can be embedded in without additional attachment and be fixed on fixed seat 300 On, and pass through fixed seat 300 and be fixed on shifting sledge 102, simplify the assembling of lazy-tongs.
In some embodiments of the invention, the outside of the first end 401 of support sleeve 400 is square stepped, and has There are base plate 401a and the connecting portion 401b on the inside of base plate 401a.First end 401 can be configured to when base plate 401a is complete During complete embedded at least part receiving hole 301, make base plate 401a and connecting portion 401b respectively with any occlusion part 301b along two Mutually orthogonal direction fitting contradicts.It that is to say, the first end 401 of support sleeve 400 is after embedded receiving hole 301, ladder The base plate 401a and connecting portion 401b of shape the portion 301b that can be blocked simultaneously limit movement on two perpendicular directions, with complete Base plate 401a is lockked in receiving hole 301 entirely.
Further, support sleeve 400 may be additionally configured to that its second end 402 is made close to the end face of first end 401 to have greatly Size in connecting portion 401b cross sections, so that the end face of the close first end 401 of base plate 401a and second end 402 point The both sides of occlusion part 301b are not connected to, while connecting portion 401b is also abutted on other direction with occlusion part 301b, further Enhance the clamping intensity of support sleeve 400 and fixed seat 300, avoid base plate 401a along substantially vertical with fixed seat 300 Direction departs from receiving hole 301.
In some embodiments of the invention, the outer surface towards receiving hole 301 of occlusion part 301b can be with fixed seat In 300 inner surface is generally aligned in the same plane.It that is to say, occlusion part 301b, which can be configured to, is just covered in 301 inside of receiving hole Surface so that the base plate 401a of embedded receiving hole 301 forms one piece of smooth plate face with fixed seat 300, so that bottom Both the side of plate is contacted against with fixed seat 300, enhances support sleeve 400 and the bonding strength of fixed seat 300, and make It is fixedly mounted more compact.
In some embodiments of the invention, the rear portion of square hole along pull-out direction, which is formed with, force-applied move and releases stress Reducible abutting portion 301c, abutting portion 301c are configured to extend to forward and to 300 inside inclination of fixed seat from rear end hole wall The rear of stop wall 301a.The extending end of abutting portion 301c bends to 300 outside of fixed seat and continues to extend to fixed seat 300 With the interface of shifting sledge 102, with formed through receiving hole 301 conflict end.
Further, abutting portion 301c is configured to the force-applied plane that 301 place of receiving hole is moved to towards fixed seat 300 It is interior, base plate 401a to be allowed to be inserted into receiving hole 301 from back to front and after base plate 401a is completely embedded into receiving hole 301, It can reset and conflict end is made to recover to positioned at the rear of stop wall 301a, base plate 401a to be prevented to depart from receiving hole 301, avoid Base plate 401a departs from receiving hole 301 along with the substantially parallel direction of fixed seat 300.
In some embodiments of the invention, the second end 402 of support sleeve 400 is externally formed with annular convex platform 403. The outside towards shifting sledge 102 of gear 201 is formed with annular cavity 201a, is formed on the bottom of chamber 201b of annular cavity 201a There are multiple grab 201c, and be configured to rotationally be clamped with annular convex platform 403, to pass through the branch being fixed in fixed seat 300 Support axle sleeve 400 is rotatably installed on shifting sledge 102.Specifically, multiple grab 201c are respectively positioned on and annular cavity 201a On the imaginary annulus of concentric one.
The second end 402 of support sleeve 400, which is inserted into annular cavity 201a, makes annular convex platform 403 and grab thereon 201c is clamped, that is to say make second end 402 be integrally located at or it is at least most of be located inside annular cavity 201a, with to support Connecting portion 401b of axle sleeve 400 and gear 201 is protected, and can shorten the distance between gear 201 and fixed seat 300, Reduce torque suffered by support sleeve 400.Further, the annular convex platform 403 of 400 second end 402 of support sleeve can be configured to and make Its periphery side surface has certain angle of inclination.Specifically, make cross-sectional area of the annular convex platform 403 at the 201b of bottom of chamber small In away from the cross-sectional area at the 201b of bottom of chamber, during being thus clamped, grab 201c can be along the peripheral side table of annular convex platform 403 Face is gradually bent outwardly, and is resetted after the completion of clamping, so as to which grab 201c be avoided to depart from convex annular under the action of no external force Platform 403.
Correspondingly, multiple grab 201c of gear 201 may also be configured to make its grab 201c heads and annular convex platform 403 Contact surface has certain angle of inclination.Specifically, which can be arranged in parallel with the periphery side surface of annular convex platform 403, It is to be mutually parallel in the two and the boundary line of the arbitrary cutting plane by center of rotation axis.Further reduce card as a result, Hook 201c is clamped to the resistance during annular convex platform 403.
In some embodiments of the invention, the quantity of grab 201c be four, be configured to have be evenly spaced apart to be distributed On imaginary annulus.Grab 201c is configured to extend perpendicular to the end face outside no more than gear 201, card with bottom of chamber 201b The center of hook 201c ends towards imaginary annulus is bent, and is clamped with the boss face towards first end 401 with annular convex platform 403, So as to which limiting gear 201 is compared with the axial movement of support sleeve 400.
In some embodiments of the invention, the inside of support sleeve 400 is stepped in a ring, and is configured to make to be located at the The second inner hole of shaft sleeve 4020 inside two ends 402 is more than the first inner hole of shaft sleeve 4010 being located inside first end 401, with first The inside intersection of end 401 and second end 402 forms internal boss 4030.
Further, axle center tubing string 201d is formed on the bottom of chamber 201b of gear 201, be configured to imaginary annulus concentrically Be arranged at the inside of imaginary annulus, and with the outer diameter equal with 4020 internal diameter of the second inner hole of shaft sleeve, with the support sleeve 400 are concentrically inserted inside second inner hole of shaft sleeve 4020, and the dimensional fits of the two can limit axle center tubing string 201d insertions the Moving radially after two inner hole of shaft sleeve 4020.
It that is to say, lazy-tongs of the invention pass through in the cooperation of annular convex platform 403 and grab 201c and the second axle sleeve Dual centralized positioning is realized in the configuration of hole 4020 and axle center tubing string 201d, is assembled convenient for gear 201 and support sleeve 400, And since grab 201c has certain elasticity, position form is relatively flexible, can avoid the generation of orientation problem.
In some embodiments of the present invention, the second end 402 of support sleeve 400, which has from the end face of annular convex platform 403, carries on the back It from the limiting section 404 that support sleeve 400 protrudes, is configured to after axle center tubing string 201d is inserted into the second inner hole of shaft sleeve 4020, contradicts The bottom of chamber 201b of annular cavity 201a, with limiting gear 201 compared with the axial movement of support sleeve 400.Limiting section 404 can match somebody with somebody It is set to part-toroidal.Specifically, it can be two sections of circular arc protrusions being oppositely arranged, and make it close to the one side of annular cavity 201a End face has smaller cross-sectional area, to reduce the resistance rotated with bottom of chamber 201b contacts area, reduction gear 201.
In some embodiments of the invention, internal boss 4030 also can limiting gear 201 under specific circumstances axial direction It is mobile.Specifically, axle center tubing string 201d can further be configured to be inserted into after the second inner hole of shaft sleeve 4020 in the first axle sleeve Hole 4010 keeps certain distance, that is to say and does not contact internal boss 4030.As a result, in the case of 201 normal rotation of gear, axis Heart tubing string 201d does not contact internal boss 4030, to reduce the resistance of the rotation of gear 201.When limiting section 404 and bottom of chamber 201b without When method effectively contradicts, axle center tubing string 201d can be resisted against internal boss 4030, avoid the play vertically of gear 201.
In some embodiments of the invention, outside (the substantially connecting portion of first end 401 of internal boss 4030 It can 401b) correspond roughly to the occlusion part 301b of fixed seat 300.It that is to say, the outside of internal boss 4030 can be just configured to With recess, to be clamped with occlusion part 301b.
In some embodiments of the invention, the inside for being moved away from slide 102 of gear 201 is formed with connecting bushing 201f, connecting rod 203 to be allowed to be inserted into and is connected to connecting bushing 201f.Further, two ends of connecting rod 203 are each configured to With noncircular cross section.Axis hole is configured to noncircular cross section on the inside of at least part of connecting bushing 201f, to avoid connecting rod 203 rotate compared with connecting bushing 201f, thereby guarantee that the gear 201 positioned at 203 both sides of connecting rod synchronizes rotation always.
Referring to Fig. 5 to Fig. 7, in some embodiments of the invention, lazy-tongs further include backstop snap ring 500.Backstop card Ring 500 can be configured to the annular with opening, to be connected to the outside of connecting bushing 201f.Backstop snap ring 500 can also have only Bar 501.Correspondingly, through hole 201g is offered on the axle sleeve wall of the connecting bushing 201f of at least one gear 201.Gear-stopping bar 501 can be configured to the annular center of circle extension from snap ring inner peripheral surface towards backstop snap ring 500, and are connected in backstop snap ring 500 Through hole 201g is inserted into during connecting bushing 201f, with the axial movement of limiting rod 203.
In the present embodiment, the connecting bushing 201f of two gears 201 can have different length, that is to say connecting rod 203 The connecting bushing 201f of a side gear 201 can be inserted into deeper, the bar being located in the connecting bushing 201f of another side gear 201 Body can be shorter.Further, through hole 201g may be disposed at the one side of longer connecting bushing 201f.
The backstop snap ring 500 and connecting bushing 201f of lazy-tongs of the present invention can simplify connecting rod 203 and two gears 201 Assembling, particularly the distance between two gears 201 is fixed.Specifically, in assembling process, connecting rod 203 can first be inserted into longer connecting bushing 201f and be moved to the side, until the other end of connecting rod 203 is moved to shorter connection The inside of the opening of axle sleeve 201f.When the other end of connecting rod 203 is opposite with the opening of shorter connecting bushing 201f, connecting rod 203 It can move to the opposite side, until being inserted into the end of shorter connecting bushing 201f, be contradicted completely with the side gear 201.This When, backstop snap ring 500 is connected on longer connecting bushing 201f, prevent connecting rod 203 to longer connecting bushing 201f after Continuous movement, realizes the axially position to connecting rod 203.
Further, in some embodiments of the invention, different logical in multiple positions can be opened up on connecting bushing 201f Hole 201g, to adapt to different fixed ranges between two gears 201.
The lazy-tongs of the present invention simplify the assembling of connecting rod 203 and connecting bushing 201f by backstop snap ring 500, and can Suitable for having the slide of different spacing, flexibility and the practicability of lazy-tongs for slide are enhanced.
Figure 10 is the schematic diagram of pull component 10 according to an embodiment of the invention.The present invention also provides one kind Pull component 10 is equipped with foregoing slide and the lazy-tongs for slide.In some embodiments of the invention, withdrawing part The both lateral sides of part 10 are respectively arranged with branch iron brace, with a pair of of shifting sledge 102 of connection.In other embodiments of the present invention In, a pair of of shifting sledge 102 can be respectively arranged at the both lateral sides of pull component 10, and be configured to through connector and withdrawing part Part 10 is directly connected to fix.
Figure 11 is the partial schematic structure of refrigerator according to an embodiment of the invention.Figure 12 is one according to the present invention The partial schematic structure chart of the refrigerator of embodiment in the other state.The present invention also provides a kind of refrigerator, including defining storage Babinet 1, pull component 10, slide and the aforementioned synchronization mechanism of object space.Specifically, sliding rail rack 101 is securable in babinet 1 Portion.Pull component 10 is mountable to shifting sledge 102, and being configured to can controlled level immigration or horizontal removal storage space.
So far, although those skilled in the art will appreciate that detailed herein have shown and described multiple showing for the present invention Example property embodiment, still, without departing from the spirit and scope of the present invention, still can according to the present disclosure directly Determine or derive many other variations or modifications consistent with the principles of the invention.Therefore, the scope of the present invention is understood that and recognizes It is set to and covers other all these variations or modifications.

Claims (10)

1. a kind of lazy-tongs for slide, the slide includes a pair of of the sliding rail rack being arranged in parallel and is arranged at described one To a pair of of shifting sledge on sliding rail rack, the lazy-tongs include:
A pair of of gear is rotatablely arranged at the opposite inside back of the pair of shifting sledge respectively;
Connecting rod is across between the slide, and its both ends is connected respectively with the pair of gear, so that the pair of gear is same Step rotates;
A pair of of rack is respectively arranged on the pair of sliding rail rack, and is meshed respectively with the pair of gear;Wherein
The installation direction of the pair of rack is consistent compared with the push-and-pull direction of the sliding rail rack with the shifting sledge, and institute The length for stating rack is corresponding with the push-and-pull stroke of the slide;And
The front end of the pair of rack along pull-out direction is both provided with anodontia section, in the relatively described slide of the shifting sledge When stent is drawn out to forward extreme position, the pair of gear is made to depart from the pair of rack in the anodontia section.
2. lazy-tongs according to claim 1, further include:
A pair of of fixed seat is individually fixed in the opposite inside back of the pair of shifting sledge;
A pair of of support sleeve is respectively arranged in the pair of fixed seat, is arranged to make its center axis to be respectively perpendicular to described A pair of of fixed seat;Wherein
Each support sleeve is respectively provided with one towards the first end of the corresponding fixed seat and away from corresponding described solid The second end of reservation;
Each fixed seat offers receiving hole, and at least part edge of the receiving hole is provided with occlusion part, and configures Into in the inside of the fixed seat from the part edge to the internal stretch of the receiving hole, with receiving described in shield portions Hole;And
The first end of each support sleeve is removably connected in the receiving hole of the corresponding fixed seat, The second end is rotatably coupled with the corresponding gear.
3. according to the lazy-tongs described in claim 2, wherein,
The receiving hole is configured to elongated square hole, the square hole along the pull-out direction front end hole wall and with the front aperture The part upper end hole wall and part lower end hole wall of wall connection are configured on the inside of from plane where the receiving hole to the fixed seat Extension, to form the stop wall that three side sealing closes;
The extending end of the stop wall extended to form by part upper end hole wall and part lower end hole wall is curved in opposite directions Folding extension, to form two opposite occlusion parts on the inside of the fixed seat.
4. according to the lazy-tongs described in claim 3, wherein,
The outside of the first end of the support sleeve be square it is stepped, and with base plate and in the base plate The connecting portion of side;
The first end is configured to, when the base plate be completely embedded at least partly the receiving hole when, make the base plate and The connecting portion is bonded conflict with any occlusion part along two mutually orthogonal directions respectively.
5. according to the lazy-tongs described in claim 4, wherein,
The rear portion of the square hole along the pull-out direction be formed with it is force-applied move and release the reducible abutting portion of stress, it is described Abutting portion is configured to extend to forward and to inclination on the inside of the fixed seat rear of the stop wall from rear end hole wall;
The extending end of the abutting portion is to bending on the outside of the fixed seat and continues to extend to the fixed seat and the movement The interface of slide, to be formed through the conflict end of the receiving hole;And
The abutting portion be configured to it is force-applied be moved to the receiving hole towards the fixed seat where plane in, to allow It states base plate and is inserted into the receiving hole from back to front and after the base plate is completely embedded into the receiving hole, can reset simultaneously The conflict end is made to recover to positioned at the rear of the stop wall, the base plate to be prevented to depart from the receiving hole.
6. according to the lazy-tongs described in claim 5, wherein,
The second end of the support sleeve is externally formed with annular convex platform;
Annular cavity is formed on the outside of the direction shifting sledge of the gear, is formed on the bottom of chamber of the annular cavity Multiple grabs, and be configured to rotationally be clamped with the annular convex platform, to pass through the branch being fixed in the fixed seat Support axle sleeve is rotatably installed on the shifting sledge;And
Multiple grabs are respectively positioned on the imaginary annulus of one concentric with the annular cavity.
7. according to the lazy-tongs described in claim 6, wherein,
The quantity of the grab is four, is configured to have and is evenly spaced apart to be distributed on the imaginary annulus;
The grab is configured to extend perpendicular to the end face outside no more than the gear, the grab end with the bottom of chamber The center of portion towards the imaginary annulus is bent, to be clamped with the boss face of the direction of the annular convex platform first end, from And limit axial movement of the gear compared with the support sleeve.
8. according to the lazy-tongs described in claim 7, wherein,
The inside of the support sleeve is stepped in a ring, and is configured to make to be located at the second inner hole of shaft sleeve inside the second end More than the first inner hole of shaft sleeve inside the first end, in the inside intersection shape of the first end and the second end Into internal boss.
9. a kind of pull component, be equipped with according to any slide in claim 1 to 8 with for the synchronous of the slide Mechanism, wherein,
The both lateral sides of the pull component are respectively arranged with branch iron brace, to connect the pair of shifting sledge;Or
The pair of shifting sledge is respectively arranged at the both lateral sides of the pull component, and be configured to by connector with it is described Pull component is directly connected to fix.
10. a kind of refrigerator, including defining the babinet of storage space, being arranged at the in vivo pull component of the case and according to right It is required that any slide and the lazy-tongs for the slide in 1 to 8, wherein,
The sliding rail rack is fixed on the box house;
The pull component is installed on the shifting sledge, and be configured to can controlled level move into or horizontal to remove the storing empty Between.
CN201711465499.3A 2017-12-28 2017-12-28 For the lazy-tongs of slide and with its pull component and refrigerator Pending CN108106318A (en)

Priority Applications (1)

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CN201711465499.3A CN108106318A (en) 2017-12-28 2017-12-28 For the lazy-tongs of slide and with its pull component and refrigerator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711465499.3A CN108106318A (en) 2017-12-28 2017-12-28 For the lazy-tongs of slide and with its pull component and refrigerator

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CN108106318A true CN108106318A (en) 2018-06-01

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Application Number Title Priority Date Filing Date
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101210763A (en) * 2006-12-27 2008-07-02 泰州乐金电子冷机有限公司 Drawer-type refrigerator slide rail composite unit
KR20130000582A (en) * 2011-06-23 2013-01-03 (주)세고스 Apparatus for fixing sliding rail
CN203258962U (en) * 2013-04-18 2013-10-30 无锡海达尔精密滑轨有限公司 Synchronizing mechanism of drawer slide rail
CN106724189A (en) * 2017-01-23 2017-05-31 无锡海达尔精密滑轨股份有限公司 Three-section type synchronization drawer sliding rail
CN207936612U (en) * 2017-12-28 2018-10-02 青岛海尔股份有限公司 Lazy-tongs for sliding rail and the pull component with it and refrigerator

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101210763A (en) * 2006-12-27 2008-07-02 泰州乐金电子冷机有限公司 Drawer-type refrigerator slide rail composite unit
KR20130000582A (en) * 2011-06-23 2013-01-03 (주)세고스 Apparatus for fixing sliding rail
CN203258962U (en) * 2013-04-18 2013-10-30 无锡海达尔精密滑轨有限公司 Synchronizing mechanism of drawer slide rail
CN106724189A (en) * 2017-01-23 2017-05-31 无锡海达尔精密滑轨股份有限公司 Three-section type synchronization drawer sliding rail
CN207936612U (en) * 2017-12-28 2018-10-02 青岛海尔股份有限公司 Lazy-tongs for sliding rail and the pull component with it and refrigerator

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