The utility model content
The utility model is intended to solve at least one of technical problem that exists in the prior art.For this reason, the utility model need provide a kind of novel slide track component, describedly can realize opening door operation more easily by this slide track component.
According to one side of the present utility model, a kind of slide track component is provided, comprising: fixed track; The slip rail, described slip rail longitudinally is located on the described fixed track slidably; The limit transition, described limit transition longitudinally is located on the described slip rail slidably; Moving block, described moving block is installed in vertical first end of described slip rail and limit transition, wherein described slip rail when maximum and described limit transition is maximum with respect to the displacement of described slip rail with respect to the displacement of described fixed track described moving block can pivot with respect to described slip rail and limit transition.
Slide track component according to the utility model embodiment, by the interaction between the various parts, realized that moving block can't rotate when slide track component is in non-full extension state, be that moving block is under the full extension state rotatable at slide track component, and rotation aft ramp assembly can't longitudinally taken out or draw, can prevent to become flexible simple to operation and safety.
In addition, also have following additional technical feature according to slide track component of the present utility model:
First end of described slip rail is formed with fan-shaped first vestibule that is 1/4 circle, first end of described limit transition is formed with second vestibule of anti-L type, be formed with limit shaft on the described moving block, wherein, described limit shaft is slidably received within described second vestibule and described first vestibule to limit the stroke of described limit transition with respect to described slip rail.
Described slide track component further comprises rotating shaft; Be formed with shaft hole on the described moving block, vertical first end of described slip rail further is formed with the rotating shaft via hole, and described rotating shaft is passed described shaft hole and described rotating shaft via hole so that described moving block can pivot with respect to described sliding shoe.
Preferably, the center of circle of described rotating shaft via hole is consistent with the center of circle of described first vestibule.
Described slide track component further comprises flexible U-shaped limited block, and described U-shaped limited block longitudinally is located on the described fixed track and the axial alignment of its center line and described fixed track.
Be formed with on the described slip rail along vertical qualification chamber protruding upward, the transverse width in described qualification chamber is oppressed described U elastomer block less than the transverse width of described U shape elastomer block with before described slip rail and the transition of described limit reach preset distance with respect to the displacement of described fixed track the time and is out of shape.
Second end of described limit transition is formed with along vertical extended alignment pin, and described alignment pin is suitable for cooperating to limit described limit transition and slip rail vertically moving with respect to described fixed track with described U-shaped limited block.
Described slide track component further comprises first limited block, and described first limited block is fixed on second end of described fixed track to limit the slip that described limit transition and slip rail stretch out to second extreme direction.
Described slide track component further comprises first rolling member that is located between described fixed track and the described slip rail, and described first rolling member comprises first ball connection piece and the ball of establishing within it.
The both lateral sides limit of described fixed track forms first flange, and the both lateral sides limit of described slip rail forms second flange that matches with described first flange, described first rolling member be located between described first and second flange so that described slip rail with respect to described fixed track slidably.
Described slide track component further comprises second rolling member that is located between described slip rail and the transition of described limit, and described second rolling member comprises second ball connection piece and the ball of establishing within it.
The side of described limit transition forms the 3rd flange that cooperates with described second flange, and described second rolling member is located between the described second and the 3rd flange so that described limit is gone through transition with respect to described slip rail slidably.Like this, by the circular metal ball at interval, carry out rolling friction each other between fixed track, slip rail and the limit transition, frictional force is little.
In addition, the utility model also needs to provide a kind of turnover door structure.
Turnover door structure according to the utility model embodiment comprises: above-mentioned slide track component; The door body; Wherein, the described moving block of described Men Tiyu connects and translation or upset with the motion of described moving block.
Further, the utility model need provide a kind of refrigerator, and described refrigerator comprises: casing, and described casing comprises inner bag; Two above-mentioned slide track components, described two slide track components are installed in described inner bag both sides respectively; And chamber door, the lower end of described chamber door is connected with the moving block of described two slide track components and can be with moving block translation or upset, to close or to open casing.
Additional aspect of the present utility model and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
The specific embodiment
Describe embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Below by the embodiment that is described with reference to the drawings is exemplary, only is used to explain the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, term " interior ", " outward ", " vertically ", " laterally ", " vertically " " on ", close the orientation of indication such as D score or position is based on orientation shown in the drawings or position relation, it only is the utility model rather than require the utility model therefore can not be interpreted as for convenience of description with specific orientation structure and operation to restriction of the present utility model.
Below with reference to the slide track component of Fig. 1-Fig. 2 description according to the utility model embodiment.
As depicted in figs. 1 and 2, an embodiment according to the utility model embodiment provides a kind of slide track component 100, and described slide track component 100 comprises: fixed track 110, slip rail 120, limit transition 130 and moving block 140.Described fixed track 110 maintains static, and mainly plays the guide rail effect.Slip rail 120 longitudinally is located on the fixed track 110 slidably, and limit transition 130 longitudinally is located on the slip rail 120 slidably.In an example of the present utility model, limited block 170 is fixed on second end (being the left end among Fig. 1 and Fig. 2) of fixed track 110 to limit the slip that limit transition 130 and slip rail 120 stretch out to second extreme direction.
Moving block 140 is installed in vertical first end (being the right-hand member among Fig. 1 and Fig. 2) of slip rail 120 and limit transition 130, is suitable for connecting the parts of needs upset, for example the door body.Wherein slip rail 120 when maximum and limit transition 130 is maximum with respect to the displacement of slip rail 120 with respect to the displacement of fixed track 110 moving block 140 can pivot with respect to slip rail 120 and limit transition 130.
Particularly, first end of slip rail 120 is formed with fan-shaped first vestibule 121 that is 1/4 circle, first end of limit transition 130 is formed with second vestibule 131 of anti-L type, be formed with limit shaft 141 on the moving block 140, wherein, limit shaft 141 is slidably received within second vestibule 131 and first vestibule 121 limiting limit transition 130 strokes with respect to slip rail 120, and the motion mode that can regulate moving block 140 is translation or rotation.
In an embodiment of the present utility model, slide track component 100 further comprises rotating shaft 150.Wherein, be formed with shaft hole 142 on moving block 140, further be formed with rotating shaft via hole 122 on vertical first end of slip rail 120, rotating shaft 150 is passed shaft hole 142 and rotating shaft via hole 122 so that moving block 140 can pivot with respect to slip rail 120.Preferably, the center of circle of rotating shaft via hole 122 is consistent with the center of circle of first vestibule 121.
In another embodiment of the present utility model, further comprise flexible U-shaped limited block 160, U-shaped limited block 160 longitudinally is located on the fixed track 110 and the axial alignment of its center line and fixed track 110.Be formed with on slip rail 120 along vertical qualification chamber 123 protruding upward, the transverse width in qualification chamber 123 is out of shape with compressing U limited block 160 before slip rail 120 and limit transition 130 displacements with respect to fixed track 110 reach preset distance less than the transverse width of U-shaped limited block 160.Alternatively, U-shaped limited block 160 can adopt POM or other to have hardness height, abrasion resistance is good, elasticity is big macromolecular material or metal material to make.
Second end (right-hand member among Fig. 1) in limit transition 130 is formed with along vertical extended alignment pin 132, and alignment pin 132 is suitable for cooperating to limit limit transition 130 and slip rail 120 vertically moving with respect to fixed track 110 with U-shaped limited block 160.
In another embodiment of the present utility model, also further comprise first rolling member that is located between fixed track 110 and the slip rail 120, first rolling member comprises first ball connection piece 181 and is located at the interior ball 183 of its vestibule.Particularly, as shown in Figure 1, form first flange 111 on the both lateral sides limit of fixed track 110, and the both lateral sides limit of slip rail 120 form that second flange, 124, the first rolling members that match with first flange 111 are located between first flange 111 and second flange 124 so that slip rail 120 with respect to fixed track 110 slidably.
In another embodiment of the present utility model, further comprise second rolling member that is located between slip rail 120 and the limit transition 130, second rolling member comprises second ball connection piece 182 and the ball of establishing within it 183.Wherein, forming the 3rd flange 133, the second rolling members that cooperate with second flange 124 of the both lateral sides of the rail 120 that slides at the side of limit transition 130 is located between second flange 124 and the 3rd flange 133 so that limit goes through transition 130 with respect to slip rail 120 slidably.Like this, by the circular metal ball at interval, carry out rolling friction each other between fixed track 110, slip rail 120 and the limit transition 130, frictional force is little.
Below will be according to the motion process of Fig. 2 (a)-Fig. 2 (d) description according to the slide track component of the utility model embodiment.
The extension movements of slide track component 100:
At first, shown in Fig. 2 (a), be minimum with limit transition 130 displacements with respect to fixed track 110 at promptly slide in a state of nature rail 120 of slide track component 100, at this moment, U limited block 160 slided rail 120 limit chamber 123 compressing and be out of shape.Do not have interaction force between U-shaped limited block 160 and the limit transition 130 this moment,
Shown in Fig. 2 (b), be subjected to external tensile force at slip rail 120 and be drawn out of, limit transition 130 and slip rail 120 associated movements, in its extension movements, when arriving certain stroke, limit chamber 123 can't continue to oppress U-shaped limited block 160, U-shaped limited block 160 resiliences thus.After 160 resiliences of U-shaped limited block, the alignment pin 132 of limit transition 130 the second ends is stopped by U-shaped limited block 160, stops to move forward and backward, and at this moment, slip rail 120 continues to move with respect to fixed track 110, also relatively moves with limit transition 130 simultaneously.
Along with slip rail 120 strokes increase and reach range, shown in Fig. 2 (c), slide this moment and reach maximum relative displacement between rail 120 and the limit transition 130, the alignment pin 132 of moving block 140 moves to 90 ° of corners of second vestibule 131 of limit transition 130 simultaneously, 140 of moving blocks can 150 be rotated motion around the shaft, and simultaneously because the rotating shaft via hole 122 of slip rail 120 is passed in rotating shaft, moving block is around rotating shaft via hole 122 rotations of slip rail 120 thus, simultaneously, pulling limit shaft 141 moves in 121 in first vestibule, the transition of pulling limit thus 130 reduces its displacement with respect to slip rail 120, its alignment pin 132 pushing U-shaped limited blocks 160 of these time limit transition 130 motions, U-shaped limited block 160 is stressed and be out of shape, when deflection acquires a certain degree, U-shaped limited block 160 can stop the slip of slip rail 120 front and back, and slip rail 120 will be subjected to U-shaped limited block 160 to stop and can not move forward and backward always after moving block 140 rotates to maximum angle, shown in Fig. 2 (d).
The contractile motion process of slide track component 100:
It is 0 ° that moving block 140 turns to corner by hard-over, promptly as the state of Fig. 2 (d) state to Fig. 2 (c), this alignment pin 132 of crossing degree transition 130 is subjected to the contention effect of U limited block 160 to do setback, and the U-shaped opening that withdraws from U-shaped limited block 160 then gradually is until withdrawing from fully.At this moment, moving block 140 alignment pins 132 are in 90 ° of corners of the second anti-L shaped vestibule 131 of limit transition 130, and 160 resiliences of U-shaped limited block recover the preceding state of distortion, and slip rail 120 no longer is subjected to U-shaped limited block 160 spacing.
Slip rail 120 can continue to dwindle stroke, limit transition 130 can not be moved because of stopped by U-shaped limited block 160, along with slip rail 120 strokes dwindle, slip rail 120 moves to certain position and begins to oppress 160 distortion of U-shaped limited block, U-shaped limited block 160 will no longer stop limit transition 130 motions, limit transition 130 can be arrived minimum stroke by associated movement with slip rail 120, stopped by first limited block 170 of fixed track 110 and reset, this time limit transition 130 and slip rail 120 are minimum with the relative displacement of fixed track 110.
Slide track component according to the utility model embodiment, by the interaction between the various parts, realized that moving block can't rotate when slide track component is in non-full extension state, be that moving block is under the full extension state rotatable at slide track component, and rotation aft ramp assembly can't longitudinally taken out or draw, can prevent to become flexible simple to operation and safety.
A kind of turnover door structure be will describe below, slide track component 100 and door body comprised according to the utility model embodiment.Wherein, slide track component 100 is the slide track component in the foregoing description, and Men Tiyu moving block 140 connects and translation or upset with the motion of moving block 140.
According to the turnover door structure of the utility model embodiment, just rotatable when being pulled to the range of slide track component when the door body, and can prevent to become flexible.
Below in conjunction with a kind of refrigerator of Fig. 3-Fig. 4 description according to the utility model embodiment.
According to a kind of refrigerator of the utility model embodiment, comprise 200, two slide track components 100 of casing and chamber door 300.Casing comprises inner bag, and two slide track components 100 are installed in inner bag both sides and parallel placement respectively.Wherein, the slide track component of slide track component 100 for describing in the foregoing description.The lower end of chamber door 300 is connected with the moving block 140 of two slide track components 100 and can be with moving block 140 translations or upset, to close or to open casing 200.
Particularly, on the inner bag of casing 200, be provided with mounting structure and position, hole and be fixed on the box liner, also be provided with mounting structure and position, hole on the chamber door 300 to be connected, as shown in Figure 4 with moving block with fixed track 110 with slide track component 100.
The mode of opening the door according to the refrigerator of the utility model embodiment is: at first chamber door 300 pulls are gone out, when pull can overturn after range, then can't carry out the front and back pull behind chamber door 300 flip-flop movements, have only behind the chamber door spinning reduction and just can carry out the front and back pull.At closing time, needing earlier, upset chamber door 300 arrives plumbness push-and-pull closing refrigerator casing 200 backward.Because slide track component has anti-loose structure, it is loosening to prevent that chamber door 300 from closing the back simultaneously.
According to the refrigerator of the utility model embodiment, chamber door can top-down upset mode open the door.And the flip angle of chamber door 300 can be 90 degree, and the refrigerator doors of promptly opening fully is the level of state.
Certainly, be understandable that refrigerator of the present utility model is not limited to this, two slide track components 100 can also be located at the both sides up and down of refrigerator body 200 inner bags, promptly chamber door also can about upset but chamber door must could push-and-pull open and close in plumbness.
In the description of this manual, concrete feature, structure, material or characteristics that the description of reference term " embodiment ", " some embodiment ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means in conjunction with this embodiment or example description are contained at least one embodiment of the present utility model or the example.In this manual, the schematic statement to above-mentioned term not necessarily refers to identical embodiment or example.And concrete feature, structure, material or the characteristics of description can be with the suitable manner combination in any one or more embodiment or example.
Although illustrated and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: can carry out multiple variation, modification, replacement and modification to these embodiment under the situation that does not break away from principle of the present utility model and aim, scope of the present utility model is limited by claim and equivalent thereof.