CN209013563U - Refrigerator-freezer - Google Patents

Abstract

A kind of refrigerator-freezer helps that lid is made to stably keep free standing condition after opening relative to main body.The refrigerator-freezer of the utility model includes main body, lid and hinge, hinge has the first axle component and second hinge component being pivotally connected, first axle component is fixed on main body, second hinge component is fixed on lid, wherein, shaft-like portion is provided on a side in first axle component and second hinge component, cylindrical portion is provided on another party, wherein, shaft-like portion is provided with radially outside protrusion outstanding, cylindrical portion surrounds shaft-like portion, and it is provided with the press section that can be moved radially, cylindrical portion is provided with biasing member, radially inside exerts a force to press section to the biasing member, when being greater than preset value with the torque only applied either in first axle component and second hinge component, press section just overcomes the force of biasing member, and radially outside moves past protrusion.

Description

Refrigerator-freezer

Technical field

The utility model relates to refrigerator-freezers.

Background technique

Hinge is the common means when machinery field is flexibly connected two components.

For example, lid and main body will be pivotally connected using hinge sometimes in the refrigerator-freezer with lid and main body.

When connecting the main body and lid of refrigerator-freezer using hinge, with lid relative to main body sliding opening, the side of closing Formula is compared, and lid is easy to open rapidly, close.

Traditional hinge is usually made of three parts, i.e., first axle component, second hinge component and by first hinge The rotary middle spindle that the mode that chain component, second hinge component are able to rotate connects,

When connecting the main body and lid of refrigerator-freezer etc. using traditional hinge, for example, first axle component can be fixed Lid is fixed in main body, and by second hinge component.

But, in traditional hinge, second hinge component can relative to first axle component flexible rotating, therefore, When traditional hinge connects the main body and lid of refrigerator-freezer in such a way that lid can be rotated around horizontal axis, if lid is heavier, Then lid is easy to produce lid and crushes or injure by a crashing object after opening because the effect of the external force such as gravity is easy to fall due to quick closedown The case where operator.

In order to avoid above situation, it is contemplated that avoid it from falling with a hand steered firmly lid, and grasped with another hand Make, but the operating flexibility that will lead to operator in this way is restricted, also, in the heavier situation of lid itself, one It is hand steered live lid and mode that another hand is operated can be such that the burden of operator dramatically increases.

Therefore, when connecting the main body and lid of refrigerator-freezer using traditional hinge, it is sometimes desirable to which lid is relative to master Body stably keeps free standing condition after opening.

Utility model content

The utility model precisely in order to solve the above problems and complete, and it is an object of the present invention to provide a kind of refrigerator-freezer, helps to make Lid stably keeps free standing condition after opening relative to main body.

To achieve the goals above, the utility model provides a kind of refrigerator-freezer, including main body, lid and hinge, the hinge With the first axle component and second hinge component being pivotally connected via rotary middle spindle, the first axle component is fixed on The main body, the second hinge component are fixed on the lid, wherein in the first axle component and the second hinge It is provided with shaft-like portion on a side in component, is set on another party in the first axle component and the second hinge component It is equipped with cylindrical portion, wherein the shaft-like portion is provided with radially outside protrusion outstanding, and the cylindrical portion surrounds the shaft-like Portion, and be provided with the press section that can be moved radially, the cylindrical portion is provided with biasing member, the biasing member radially inside It exerts a force to the press section, with only application turns either in the first axle component and the second hinge component When square is greater than preset value, the press section just overcomes the force of the biasing member, and radially outside moves past described dash forward Portion.

Herein, it may be mentioned that in this application, in addition to the case where illustrating, " radial direction ", " axial direction ", " circumferential direction " Refer both to using first axle component relative to second hinge component rotary centerline as the direction of reference data.

According to the refrigerator-freezer of above structure, cylindrical portion is provided with biasing member, the biasing member radially inside to press section Force, to be pressed when the torque only applied either in first axle component and second hinge component is greater than preset value Splenium just overcomes the force of biasing member, and radially outside moves past protrusion, therefore, for example, by opening vertically with lid State be arranged in correspondence with the position that protrusion is crossed in press section, after lid is opened vertically, though lid surprisingly by external force, if The external force is not more than certain value, then press section will not cross protrusion, and lid readily and stably keeps free standing condition as a result,.

In addition, the preferably described biasing member is arranged around the cylindrical portion in the refrigerator-freezer of above structure.

Hinge is helped to realize compared with the case where biasing member radially extended is set according to the refrigerator-freezer of above structure The miniaturization of chain component, also, even if hinge member minimizes, also it is easy installation biasing member.

In addition, the preferably described biasing member is torsion-coil spring in the refrigerator-freezer of above structure.

According to the refrigerator-freezer of above structure, be easy with low-cost production's biasing member, thus reduce the manufacture of refrigerator-freezer entirety at This；Also, torsion-coil spring is not allowed easy to aging being repeated and rolling tightly or unclamp yet, and rolls tightly or unclamps being repeated During can shift in the circumferential be not in spy therefore so that the position that contacts with press section of torsion-coil spring is mobile The case where determining position distortions so as to steadily exert a force helps that lid is made to become steady relative to the opening of main body, closing It is fixed.

In addition, the preferably described protrusion is provided with multiple, institute in the refrigerator-freezer of above structure in the circumferential equiangularly spacedly State press section be provided in a manner of corresponding with multiple protrusions it is multiple.

According to the refrigerator-freezer of above structure, first axle component and second hinge the component circumferential direction easy to accomplish when relatively rotating On stress balance, be easy that lid is made swimmingly to open, close relative to main body as a result,.

In addition, preferably when along end on observation, the protrusion is contacted with the press section in the refrigerator-freezer of above structure Position be in circular arc cross-sections, when along end on observation, part contact with the protrusion of the press section is in arc-shaped section Face.

According to the refrigerator-freezer of above structure, be easy that protrusion is avoided to block extremely with press section, be easy to make as a result, lid relative to Main body is swimmingly opened, is closed.

In addition, the preferably described shaft-like portion has the first slot axially extended, the protrusion in the refrigerator-freezer of above structure Be the metal bar of first slot is inserted into a manner of axially extending, and/or, the cylindrical portion has the axially extended Two slots, the press section are the metal bars that second slot is inserted into a manner of axially extending.

According to the refrigerator-freezer of above structure, when press section is abutted with shaft-like portion, the contact portion of the two increases, therefore, lid Body is easier to stably keep free standing condition.

In addition, preferably described first slot is open in the end face in the shaft-like portion in the refrigerator-freezer of above structure, and/or, institute The second slot is stated to be open in the end face of the cylindrical portion.

According to the refrigerator-freezer of above structure, can easily by the metal bar for constituting protrusion, constitute the metal bar of press section along axis To insertion the first slot, the second slot, it is easy to improve packaging efficiency.

In addition, the preferably described hinge has fluid damper, the fluid damper packet in the refrigerator-freezer of above structure Include: shell, which has the cylindrical portion, and is fixed on the second hinge component；And rotor, the rotor are arranged in institute It states in shell, and there is the shaft-like portion, and be fixed on the first axle component.

According to the refrigerator-freezer of above structure, protrusion is crossed by being arranged in correspondence with press section with the state that lid is opened vertically Position, and the rotation direction for making fluid damper generate rotor when damping is consistent with the direction that lid is closed relative to main body, energy Reduce the active force of the biasing member for preventing press section from crossing protrusion.

In addition, the preferably described first axle component and the second hinge component pass through axis in the refrigerator-freezer of above structure It is pivotally connected to the consistent rotary middle spindle in shaft-like portion, the rotary middle spindle is fixed on first axle component, described Torsion-coil spring is wound on rotary middle spindle, the second hinge component can be relative to the first axle component first It is rotated between position and the second position, at the first position, the torsion-coil spring unclamps the rotary middle spindle, and Two end sides are limited by the first axle component and the second hinge component respectively and generating makes the second hinge component The elastic restoring force rotated towards the second position, before the second hinge component reaches the second position, the torsion Turn helical spring to start to hold the rotary middle spindle tightly.

According to the refrigerator-freezer of above structure, torsion-coil spring is wound on rotary middle spindle, in second hinge component phase When turning to the second position from first position for first axle component, before second hinge component reaches the second position, turn round Turn helical spring just to start to hold rotary middle spindle tightly, rotary middle spindle is held tightly by torsion-coil spring, it can be in Torsion coil bullet Frictional resistance is generated between spring and rotary middle spindle, and second hinge component is inhibited to continue relative to first axle component towards second Set rotation, therefore, help avoid second hinge component rotation it is too fast, to avoid lid relative to the too fast closing of ontology；And And second hinge component relative to first axle component from the second position towards first position rotate when, torsion-coil spring with The mode for unclamping rotary middle spindle deforms, and therefore, frictional resistance is not likely to produce between torsion-coil spring and rotary middle spindle, It is easy to make second hinge component fast rotation, to be easy to open lid comparatively fast.

In addition, one end of the preferably described torsion-coil spring is held in the second hinge in the refrigerator-freezer of above structure Component, at the first position, the other end of the torsion-coil spring is abutted with the first axle component, described At two positions, the other end of the torsion-coil spring is separated with the first axle component.

Facilitated according to the refrigerator-freezer of above structure by the way that one end of torsion-coil spring is held in second hinge component Torsion-coil spring is avoided to deviate specified position and can not reliably play a role, on the other hand, in second hinge component from the The other end at at least initial stage that two positions are rotated towards first position, torsion-coil spring is separated with first axle component, therefore, no Resistance can be generated because of the effect of the elastic force of torsion-coil spring, be easy to make second hinge component fast rotation, to be easy to make to cover Body is comparatively fast opened.

(utility model effect)

According to the utility model, cylindrical portion is provided with biasing member, and radially inside exerts a force to press section to the biasing member, When torque to only apply either in first axle component and second hinge component is greater than preset value, press section is Overcoming the force of biasing member, radially outside moves past protrusion, therefore, for example, by the state opened vertically with lid Be arranged in correspondence with the position that protrusion is crossed in press section, after lid is opened vertically, even if lid surprisingly by external force, if the external force No more than certain value, then press section will not cross protrusion, and lid readily and stably keeps free standing condition as a result,.

Detailed description of the invention

Fig. 1 is the perspective view for schematically illustrating the structure of refrigerator-freezer of the utility model embodiment.

Fig. 2A is the connection for schematically illustrating hinge included by the refrigerator-freezer of the utility model embodiment and main body and lid The side view of relationship, and indicate the state that lid is closed relative to main body.

Fig. 2 B is the connection for schematically illustrating hinge included by the refrigerator-freezer of the utility model embodiment and main body and lid The side view of relationship, and indicate the state that lid is opened relative to main body.

Fig. 3 A is the partial perspective view for schematically illustrating the structure of hinge included by the refrigerator-freezer of the utility model embodiment.

Fig. 3 B is the partial perspective view for schematically illustrating the structure of hinge included by the refrigerator-freezer of the utility model embodiment, The diagram of a part of component such as rotor is wherein omitted.

Fig. 4 is the exploded perspective view for schematically illustrating damper included by the refrigerator-freezer of the utility model embodiment.

Fig. 5 is the perspective view for schematically illustrating the partial structurtes of hinge included by the refrigerator-freezer of the utility model embodiment.

Fig. 6 is the perspective view for schematically illustrating the partial structurtes of hinge included by the refrigerator-freezer of the utility model embodiment.

Fig. 7 is the side view for schematically illustrating the partial structurtes of hinge included by the refrigerator-freezer of the utility model embodiment.

(symbol description)

1 hinge

3 fluid dampers

4 first axle components

The first plate-like portion of 4a

The first base portion of 4b

The first insertion hole of 4e

4f locking groove

5 second hinge components

The second plate-like portion of 5a

The second base portion of 5b

The second insertion hole of 5c

5d third insertion hole

5e maintaining part

6 rotary middle spindles

61 center shaft bodies

62 cyclic annular friction portions

9 shells

9a1 canister portion

9a11 stage portion

9a12 stage portion

The first cover of 9a2

The second cover of 9a3

9b contact surface

9c recess portion

9d lateral surface

9x cylindrical portion

The second slot of 9x1

The press section 9y

9z biasing member

10 rotors

12 rotor subjects

12a through hole

12b canister portion

12b1 stage portion

12c spool maintaining part

12d one end

The other end 12e

12f configured slot

12x shaft-like portion

The first slot of 12x1

12y protrusion

13 spools

14 partitions

14a through hole

15 card rationed marketings

17 screws

22 torsion-coil springs

22a hook portion

Specific embodiment

In the following, being illustrated referring to figs. 1 to refrigerator-freezer of the Fig. 5 to the utility model embodiment, wherein Fig. 1 is schematic table Show that the perspective view of the structure of the refrigerator-freezer of the utility model embodiment, Fig. 2A are the ice for schematically illustrating the utility model embodiment The side view of hinge included by cabinet and main body and the connection relationship of lid, and indicate the state that lid is closed relative to main body, Fig. 2 B is the side for schematically illustrating the connection relationship of hinge included by the refrigerator-freezer of the utility model embodiment and main body and lid View, and indicate the state that lid is opened relative to main body, Fig. 3 A is the refrigerator-freezer institute for schematically illustrating the utility model embodiment Including hinge structure partial perspective view, Fig. 3 B is to schematically illustrate hinge included by the refrigerator-freezer of the utility model embodiment The partial perspective view of the structure of chain, wherein the diagram of a part of component such as rotor is omitted, Fig. 4 is to schematically illustrate the utility model The exploded perspective view of damper included by the refrigerator-freezer of embodiment, Fig. 5 are the ice for schematically illustrating the utility model embodiment The perspective view of the partial structurtes of hinge included by cabinet, Fig. 6 are schematically illustrated included by the refrigerator-freezer of the utility model embodiment Hinge partial structurtes perspective view, Fig. 7 is to schematically illustrate hinge included by the refrigerator-freezer of the utility model embodiment The side view of partial structurtes.

Herein, for convenience of description, three mutually orthogonal directions are set as X-direction, Y-direction and Z-direction, and by X-direction Side be set as X1, the other side of X-direction is set as X2, the side of Y-direction is set as Y1, the other side of Y-direction is set as Y2, The side of Z-direction is set as Z1, the other side of Z-direction is set as Z2, also, sets axial direction and the side X of the rotary middle spindle of hinge To consistent.

Shown in A and Fig. 2 B as shown in Figure 1, Figure 2, refrigerator-freezer is substantially in cuboid box-like, has main body BD and lid CV, wherein lid Body CV is by hinge 1 can be connected to main body BD in a manner of horizontal-extending axis rotary opening closing.

Herein, as shown in Figure 2 A and 2 B, the first axle that hinge 1 is mutually rotatablely connected including the use of rotary middle spindle 6 Component 4 and second hinge component 5, wherein first axle component 4 is set to the main body BD of refrigerator-freezer, and second hinge component 5 is set to refrigerator-freezer Lid CV.Also, hinge 1 further includes fluid damper 3, and the fluid damper 3 is in second hinge component 5 relative to the first hinge Chain component 4 generates the resistance for hindering the rotation when rotating towards prescribed direction (clockwise direction in Fig. 2 B), can prevent as a result, The lid CV undamped of refrigerator-freezer it is opened and closed the lid CV breakage for generating and impacting and cause the main body BD and refrigerator-freezer of refrigerator-freezer.Also, it borrows Help hinge 1, the lid CV of refrigerator-freezer can (angular range can basis in substantially 90 ° of angular range relative to the main body BD of refrigerator-freezer Need to suitably change) in rotated between open position (referring to the state of Fig. 2 B) and closed position (state referring to shown in Fig. 2A).

The structure of hinge 1 is specifically described below.

(overall structure of hinge)

As shown in Figure 3A and Figure 3B, hinge 1 includes first axle component 4 and second hinge component 5, first axle component 4 It is connect in a manner of being able to rotate with second hinge component 5 rotary middle spindle 6, also, rotary middle spindle 6 is fixed on the first hinge Chain component 4, is wound with torsion-coil spring 22 on rotary middle spindle 6, and second hinge component 5 can be relative to first axle component 4 rotate between first position (corresponding to Fig. 2 B) and the second position (corresponding to Fig. 2A), at first position, Torsion coil bullet Spring 22 unclamps rotary middle spindle 6, and two end sides are limited by first axle component 4 and second hinge component 5 and generating makes respectively The elastic restoring force that second hinge component 5 is rotated towards the second position, before second hinge component 5 reaches the second position, torsion Helical spring 22 starts to hold rotary middle spindle 6 tightly.

Herein, one end of torsion-coil spring 22 is held in second hinge component 5, at first position, Torsion coil bullet The other end of spring 22 is abutted with first axle component 4, in the second place, the other end and first axle of torsion-coil spring 22 Component 4 separates.

(structure of first axle component)

As shown in Figure 3A and Figure 3B, first axle component 4 includes two the first plate-like portion 4a, and two the first plate-like portion 4a exist It is opposite in the axial direction (i.e. X-direction) of rotary middle spindle 6, and be respectively formed with for the perforative first insertion hole 4e of rotary middle spindle 6.

Herein, the first plate-like portion 4a is whole substantially vertical with X-direction, sets in the end of the Y1 direction side of the first plate-like portion 4a It is equipped with the first insertion hole 4e, also, is provided with the inner peripheral surface locking groove 4f that radially outside is recessed from the first insertion hole 4e.

In addition, as shown in Figure 3A and Figure 3B, first axle component 4 further includes the first base portion 4b, and the first base portion 4b is by two First plate-like portion 4a connection.

Herein, the first base portion 4b is whole substantially vertical with Z-direction, also, the end ratio of the Y1 direction side of the first base portion 4b Y2 direction side is leaned in the end of the Y1 direction side of first plate-like portion 4a, that is to say, that the end of the Y1 direction side of the first plate-like portion 4a The end of Y1 direction side than the first base portion 4b is prominent towards the direction Y1.

In addition, although not shown, but in two the first plate-like portion 4a, the Y1 direction side of the first plate-like portion 4a of X1 direction side End be formed with abutting part, at above-mentioned first position, the other end of torsion-coil spring 22 is abutted with abutting part, second At position, the other end of torsion-coil spring 22 and abutment portion from.

In addition, the material of first axle component 4 is unrestricted, according to circumstances can suitably select, for example, by using metal or tree The production such as rouge.

(structure of second hinge component)

As shown in Figure 3A and Figure 3B, second hinge component 5 includes two the second plate-like portion 5a, and two the second plate-like portion 5a exist It is opposite in the axial direction of rotary middle spindle 6, and be respectively formed with for the perforative second insertion hole 5c of rotary middle spindle 6.

Herein, the second plate-like portion 5a is whole substantially vertical with X-direction, sets in the end of the Y2 direction side of the second plate-like portion 5a It is equipped with the second insertion hole 5c, also, the position of Y1 direction side is provided with the in ratio the second insertion hole 5c of the second plate-like portion 5a Three insertion hole 5d, the third insertion hole 5d are inserted for the screw 17 for the shell 9 of damper 3 to be fixed on second hinge component 5 Enter.

In addition, as shown in Figure 3A and Figure 3B, second hinge component 5 further includes the second base portion 5b, and the second base portion 5b is by two Second plate-like portion 5a connection.

Herein, the second base portion 5b is whole substantially vertical with Z-direction, also, the end ratio of the Y2 direction side of the second base portion 5b Y1 direction side is leaned in the end of the Y2 direction side of second plate-like portion 5a, that is to say, that the end of the Y2 direction side of the second plate-like portion 5a The end of Y2 direction side than the second base portion 5b is prominent towards the direction Y2.

In addition, as shown in Figure 3A and Figure 3B, in two the second plate-like portion 5a, two the second plate-like portion 5a of X1 direction side One end of torsion-coil spring 22 is kept with maintaining part 5e, maintaining part 5e.

Herein, maintaining part 5e has locking groove, and one end of torsion-coil spring 22 is caught in the locking groove.Specifically, turning round The one end and the other end for turning helical spring 22 substantially extend in YZ plane respectively, and one end of torsion-coil spring 22 has hook Portion 22a, hook portion 22a make a part be caught in the locking groove of maintaining part 5e, and maintaining part 5e is hooked.

In addition, as shown in Figure 3A and Figure 3B, in the axial direction of rotary middle spindle 6, the configuration of second hinge component 5 is in the first hinge The inside of chain component 4.

Herein, in the axial direction of rotary middle spindle 6, two the second plate-like portion 5a of second hinge component 5 are configured at first The inside of two the first plate-like portion 4a of hinge member 4, also, torsion-coil spring 22 is located at the interior of two the second plate-like portion 5a Side, fluid damper 3 also are located between two the second plate-like portion 5a and than torsion-coil spring 22 by X2 direction side.

In addition, the material of second hinge component 5 is unrestricted, according to circumstances can suitably select, for example, by using metal or tree The production such as rouge.

(structure of rotary middle spindle)

As shown in Figure 3A and Figure 3B, rotary middle spindle 6 extends in X direction, and both ends extend through second hinge component 5 The first insertion hole of two the first plate-like portion 4a of the second insertion hole 5c and first axle component 4 of two the second plate-like portion 5a 4e, also, rotary middle spindle 6 is crushed from the part that the first insertion hole 4e is protruded outward and is riveted on the first plate-like portion 4a, so that rotary middle spindle 6 be avoided to fall off from first axle component 4 and second hinge component 5.

Herein, rotary middle spindle 6 includes center shaft body 61 and cyclic annular friction portion 62, and center shaft body 61 is in X direction What is extended is rod-shaped, and the radial outside of cyclic annular friction portion 62 therefrom mandrel body 61 towards rotary middle spindle 6 is prominent, also, reverses Helical spring 22 is wound in the peripheral side in cyclic annular friction portion 62.Specifically, cyclic annular friction portion 62 is seperated with center shaft body 61 Formed, also, in the center shaft body 61 of rotary middle spindle 6, part on the inside of two the second plate-like portion 5a it is vertical It is substantially in polygon in the section of X-direction, cyclic annular friction portion 62 has matched substantially with the cross sectional shape of center shaft body 61 Cyclic annular friction portion is avoided that by the way that center shaft body 61 to be inserted into the centre bore in cyclic annular friction portion 62 in the centre bore of polygon 62 rotate relative to center shaft body 61.

In addition, as shown in Figure 2 A and 2 B, rotary middle spindle 6 further includes card rationed marketing 15, which is set to center At least one end of shaft body 61, and center shaft body 61 is extended radially through along center shaft body 61, and be caught in first axle structure The locking groove 4f of first plate-like portion 4a of part 4 can reliably avoid rotary middle spindle 5 from sending out relative to first axle component 4 as a result, Raw rotation.

In addition, the material of rotary middle spindle 6 is unrestricted, according to circumstances can suitably select, for example, by using metal or resin Deng production (cyclic annular friction portion is made preferably by the material for being easy to produce big frictional force, and is made using the big material of intensity Center shaft body).

(structure of fluid damper)

As shown in Figure 4 and Figure 5, fluid damper 3 includes shell 9 and the rotor 10 being arranged in shell 9, and shell 9 has There is canister portion 9a1 and be set to the first cover 9a2 and the second cover 9a3 of the axial ends side of canister portion 9a1, in canister portion 9a1, the Be formed with fluid chamber between one cover 9a2, the second cover 9a3 and rotor 10, in fluid chamber filled with working fluid (such as Oil, however, it is not limited to this), the side in canister portion 9a1 and the first cover 9a2 and the second cover 9a3 is fixed by welding in one It rises, wherein be provided between the side in fluid chamber and the first cover 9a2 and the second cover 9a3 for preventing working fluid Contact the independent partition 14 of the first cover 9a2 and the side in the second cover 9a3.

Herein, in shell 9, canister portion 9a1 and the first cover 9a2 are integrally formed, and are fixed on second hinge component 5, cylinder Portion 9a1 and the second cover 9a3 is fixed together by welding (such as ultrasonic bonding).Specifically, shell 9 is configured to canister portion The axial direction of 9a1 is consistent with X-direction.First cover 9a2 of shell 9 closes the side end X1 of canister portion 9a1, the second lid of shell 9 Portion 9a3 is fixed at the side end X2 of the canister portion 9a1 of shell 9, and the side end X2 of canister portion 9a1 is closed.Also, in shell 9 The first cover 9a2 be formed with the recessed portion being recessed towards the side opposite with fluid chamber, one end of the recessed portion for rotor 10 12d (side end X1) insertion and abut, with canister portion 9a1 axially and radially on rotor 10 is positioned, and make rotor 10 One end 12d be able to rotate, be formed with the through hole 9a31 of circular hole on the second cover 9a3, through hole 9a31 is by rotor 10 the other end 12e (side end X2), which is remained, to be able to rotate.Also, a part of the inner peripheral surface of canister portion 9a1 constitutes and rotor The contact surface 9b of the periphery face contact of 10 canister portion 12b.In the circumferential direction (i.e. the circumferential direction of rotary middle spindle 6) of rotor 10, in cylinder It is formed with recess portion 9c on the part of the not formed contact surface 9b of portion 9a1, the radial outside of recess portion 9c towards rotor 10 is recessed.? Along rotor 10 axial direction (i.e. the axial direction of rotary middle spindle 6) observation when, contact surface 9b relative to canister portion 12b center substantially It is formed in the range of 240 °, recess portion 9c is formed in the range of substantially 120 ° relative to the center of canister portion 12b.Along rotor 10 When end on observation, the shape of recess portion 9c is in using the center of canister portion 12b as the sector of the center of curvature.The formation of canister portion 9a1 has recess portion The outer diameter of the side of 9c than the formation of canister portion 9a1 have contact surface 9b side outer diameter it is big.In the side end X2 of canister portion 9a1 Circumferential surface (leaning on the side X2 than contact surface 9b) is provided with stage portion 9a11 and depends on the stage portion 9a12 of the side X2 than stage portion 9a11, In, stage portion 9a11 is extended vertically by the side X2 genesis and the X-direction from contact surface 9b (specifically outside towards the diameter of rotor 10 Side extends) the first plane and the first surface that extends from the outer peripheral edge of first plane towards the side X2 constitute, stage portion 9a11 confession Partition 14 abuts, with canister portion 9a1 axially and radially on partition 14 is positioned, stage portion 9a12 is by from first surface The second plane that the side X2 genesis and X-direction extend vertically and (specifically extend towards the radial outside of rotor 10) and from this second The outer peripheral edge of plane is constituted towards the second curved surface that the side X2 extends, and stage portion 9a12 is abutted for the second cover 9a3, in canister portion 9a1 Axially and radially on the second cover 9a3 is positioned.

In addition, rotor 10 is fixed on first axle component 4, movable spool 13 is provided in the peripheral part of the rotor 10, And have for rotary middle spindle 6 in the center of rotation portion of the rotor 10 through fixed through hole 12a.Specifically, rotor 10 It include: rotor subject 12, which has canister portion 12b and spool maintaining part 12c, wherein canister portion 12b is axially formed There is through hole 12a (in corresponding with the cross sectional shape of center shaft body 61 substantially in polygon, for the insertion of center shaft body 61 It is fixed), the one end 12d of canister portion 12b is held in the recessed portion of the first cover 9a2 of shell 9, the other end 12e of canister portion 12b It is held in the through hole 9a31 of the second cover 9a3, also, spool maintaining part 12c is along axial direction (the i.e. rotary middle spindle 6 of rotor 10 Axial direction) be formed in the peripheral part of canister portion 12b；Spool 13, the spool 13 around the axis parallel with the axial direction of rotor 10 can turn Dynamic mode is set to spool maintaining part 12c；And configured slot 12f, configured slot 12f are formed in a manner of throughout complete cycle respectively In the other end 12e of the one end 12d and canister portion 12b of canister portion 12b, configured slot 12f matches for containment member (not shown) It sets, to prevent oil from leaking from fluid chamber.

In addition, partition 14 is located between fluid chamber and the second cover 9a3.Specifically, the surface of the side X1 of partition 14 with The indoor working fluid contact of fluid, the surface of the side X2 of partition 14 is abutted with the second cover 9a3.More specifically, turn on edge When the end on observation of son 10, partition 14 is in the shape roughly the same with the shape of the second cover 9a3, and has through hole 14a, should The other end 12e of rotor 10 is remained and is able to rotate by through hole 14a, the outer peripheral edge on the surface of the side X1 of partition 14 and canister portion The stage portion 9a11 of 9a1 is abutted, the first plane of the stage portion 12b1 of the inner peripheral and canister portion 12b on the surface of the side X1 of partition 14 It abuts, the outer peripheral surface of partition 14 is abutted with the first surface of stage portion 9a11, the inner peripheral surface of partition 14 and the other end of rotor 10 The outer peripheral surface of portion 12e abuts, the part between outer peripheral edge and inner peripheral on the surface of the side X1 of partition 14 in fluid chamber Working fluid contact, the entire surface of the side X2 of partition 14 abuts with the second cover 9a3.Also, the periphery of partition 14 not Sealing ring is set.Also, the material of partition 14 is unrestricted, but preferred separator 14 is made of metal (such as stainless steel).

In addition, as shown in figure 4, when shell 9 is rotated counterclockwise relative to rotor subject 12, oil in fluid chamber will be through It is flowed in recess portion 9c by the gap between spool 13 and shell 9, from the side of spool maintaining part 12c, (spool in Fig. 4 is kept The left side of portion 12c) flow to the other side (right side of the spool maintaining part 12c in Fig. 4).When shell 9 is suitable relative to rotor subject 12 When hour hands rotate, spool 13 can abut (i.e. above-mentioned gap disappears) with the lateral surface 9d of recess portion 9c, so that oil be prevented to protect from spool The side (right side of the spool maintaining part 12c in Fig. 4) for holding portion 12c flows to a other side (left side of the spool maintaining part 12c in Fig. 4 Side), to generate rotary resistance.

(structure for keeping cover to support oneself)

As shown in Figures 5 to 7, rotor 10 there is shaft-like portion 12x, shaft-like portion 12x to be provided with radially outside outstanding Protrusion 12y, shell 9 have cylindrical portion 9x, and cylindrical portion 9x surrounds shaft-like portion 12x, and is provided with the pressing that can be moved radially Portion 9y；Also, cylindrical portion 9x is provided with biasing member 9z, and radially inside exerts a force to press section 9y to biasing member 9z, with only The torque applied either in first axle component 4 and second hinge component 5 is greater than preset value (can be appropriate as needed Setting) when, press section 9y just overcome the force of biasing member 9z radially on the outside of move past protrusion 12y (that is, When being less than preset value to the torque applied either in first axle component 4 and second hinge component 5, biasing member 9z's is applied Power prevention press section 9y radially moves past protrusion 12y in outside).

Herein, shaft-like portion 12x is made of the one end 12d of rotor 10, axial axial consistent with rotary middle spindle 6, Cylindrical portion 9x is made of the first cover 9a2 of shell 9, and cylindrical portion 9x is constituted towards the recessed of the side recess opposite with fluid chamber Concave portion.Also, shaft-like portion 12x has the first slot 12x1 axially extended, and the first slot 12x1 is in the end face of shaft-like portion 12x (end face of X1 direction side) opening, cylindrical portion 9x have the second slot 9x1 axially extended, and the second slot 9x1 is cylindrical portion 9x's End face (end face of X1 direction side) opening.

In addition, protrusion 12y is the metal bar for being inserted into the first slot 12x1 in a manner of axially extending, along the axial direction (side X To) observation when, position contact with press section 9y of protrusion 12y is in circular arc cross-sections.Also, protrusion 12y isogonism in the circumferential Degree has been positioned apart from multiple.

In addition, press section 9y is the metal bar for being inserted into the second slot 9x1 in a manner of axially extending, along end on observation When, the part of press section 9y contacted with protrusion 12y is in circular arc cross-sections.Also, press section 9y with multiple protrusion 12y to distinguish Corresponding mode is provided with multiple.

In addition, biasing member 9z is torsion-coil spring, it is arranged around cylindrical portion 9x.Also, in axial (i.e. X-direction) On, biasing member 9z is located between torsion-coil spring 22 and shell 9 (part other than the specifically cylindrical portion 9x of shell 9).

According to the utility model, cylindrical portion 9x is provided with biasing member 9z, biasing member 9z radially inside to pressing Portion 9y force, so that the torque only applied either in first axle component 4 and second hinge component 5 is greater than preset value When, press section 9y just overcomes the force of biasing member 9z, and radially outside moves past protrusion 12y, therefore, for example, by with The state that lid CV is opened vertically is arranged in correspondence with the position that press section 9y crosses protrusion 12y, after lid CV is opened vertically, i.e., Make lid CV surprisingly by external force, if the external force is not more than certain value, press section 9y will not cross protrusion 12y, cover as a result, Body CV readily and stably keeps free standing condition.Certainly, the position that press section 9y crosses protrusion 12y is not limited to perpendicular with lid CV The state directly opened is corresponding, can also be corresponding with the state that lid CV opens other angles relative to main body BD.

The utility model is exemplarily described above in conjunction with attached drawing, it is clear that the specific implementation of the utility model is not It is limited by above embodiment.

For example, in the above-described embodiment, being provided with torsion-coil spring 22, however, it is not limited to this, according to circumstances, Torsion-coil spring can be omitted.

In addition, in the above-described embodiment, shaft-like portion 12x is made of the rotor 10 of fluid damper 3, and cylindrical portion 9x is by flowing The shell 9 of body damper 3 is constituted, and however, it is not limited to this, can also omit fluid damper 3, and shaft-like portion and cylinder is separately provided Shape portion, or shaft-like portion and cylindrical portion are provided independently from fluid damper 3.

In addition, in the above-described embodiment, biasing member 9z is torsion-coil spring, it is arranged around cylindrical portion 9x, but It is not limited thereto, such as can also be using rubber tube as biasing member, also, the spring radially extended can also be used and make For biasing member.

In addition, in the above-described embodiment, protrusion 12y is metal bar, and it is in the circumferential equiangularly spaced be provided with it is more A, however, it is not limited to this, and material, shape, the quantity of protrusion 12y can suitably change as needed, also, protrusion 12y may be used also It is integrally formed with shaft-like portion 12x.

In addition, in the above-described embodiment, press section 9y is metal bar, and it is in the circumferential equiangularly spaced be provided with it is more A, however, it is not limited to this, and material, shape, the quantity of press section 9y can suitably change as needed.

In addition, in the above-described embodiment, the concrete shape of first axle component 4 and second hinge component 5 can be according to need It changes.

Claims (10)

1. a kind of refrigerator-freezer, including main body, lid and hinge, the hinge has the first axle component being pivotally connected and the second hinge Chain component, the first axle component are fixed on the main body, and the second hinge component is fixed on the lid, and feature exists In,

It is provided with shaft-like portion on the side in the first axle component and the second hinge component, in the first axle Cylindrical portion is provided on another party in component and the second hinge component, wherein the shaft-like portion is provided with radially outer Side protrusion outstanding, the cylindrical portion surrounds the shaft-like portion, and is provided with the press section that can be moved radially,

The cylindrical portion is provided with biasing member, and radially inside exerts a force to the press section to the biasing member, only to institute When either stating in first axle component and the second hinge component torque applied and being greater than preset value, the press section is Overcoming the force of the biasing member, radially outside moves past the protrusion.

2. refrigerator-freezer as described in claim 1, which is characterized in that

The biasing member is arranged around the cylindrical portion.

3. refrigerator-freezer as claimed in claim 2, which is characterized in that

The biasing member is torsion-coil spring.

4. refrigerator-freezer as described in claim 1, which is characterized in that

The protrusion be provided in the circumferential equiangularly spacedly it is multiple,

The press section is provided with multiple in a manner of corresponding with multiple protrusions.

5. refrigerator-freezer as described in claim 1, which is characterized in that

When along end on observation, the position of the protrusion contacted with the press section is in circular arc cross-sections,

When along end on observation, the part of the press section contacted with the protrusion is in circular arc cross-sections.

6. refrigerator-freezer as claimed in claim 5, which is characterized in that

The shaft-like portion has the first slot axially extended, and the protrusion is that described first is inserted into a manner of axially extending The metal bar of slot,

And/or

The cylindrical portion has the second slot for axially extending, and the press section is that described the is inserted into a manner of axially extending The metal bar of two slots.

7. refrigerator-freezer as claimed in claim 6, which is characterized in that

First slot is open in the end face in the shaft-like portion,

And/or

Second slot is open in the end face of the cylindrical portion.

8. refrigerator-freezer as described in claim 1, which is characterized in that

The hinge has fluid damper,

The fluid damper includes:

Shell, which has the cylindrical portion, and is fixed on the second hinge component；And

Rotor, the rotor are arranged in the shell, and have the shaft-like portion, and be fixed on the first axle component.

9. refrigerator-freezer as described in claim 1, which is characterized in that

The first axle component and the second hinge component pass through the axial and consistent rotary middle spindle pivot in the shaft-like portion Turn connection,

The rotary middle spindle is fixed on first axle component,

It is wound with torsion-coil spring on the rotary middle spindle,

The second hinge component can rotate between the first location and the second location relative to the first axle component,

At the first position, the torsion-coil spring unclamps the rotary middle spindle, and two end sides are respectively by described the One hinge member and the second hinge component limit and generating rotates the second hinge component towards the second position Elastic restoring force,

Before the second hinge component reaches the second position, the torsion-coil spring starts to hold tightly in the rotation Mandrel.

10. refrigerator-freezer as claimed in claim 9, which is characterized in that

One end of the torsion-coil spring is held in the second hinge component,

At the first position, the other end of the torsion-coil spring is abutted with the first axle component,

In the second place, the other end of the torsion-coil spring is separated with the first axle component.