CN207214609U - Door body assembly and refrigerator - Google Patents

Abstract

The utility model discloses a kind of door body assembly and refrigerator, the door body assembly includes door body, end cap, drive mechanism and hinge axis, the end cap is arranged in the door body, the drive mechanism is used to be installed on casing, the drive mechanism is connected with the first end of the hinge axis, for driving the hinge axis rotation, and the second end of the hinge axis passes through key connection with the end cap.In the technical solution of the utility model, drive mechanism driving hinge axis, which rotates, transmits moment of torsion, and the moment of torsion passes to end cap by the connection of key, drives end cap to rotate, so as to realize the folding of door body without taking manpower.Moreover, transmitting moment of torsion using the occlusion of key, its moment of torsion efficiency of transmission is high and relatively reliable.

Description

Door body assembly and refrigerator

Technical field

It the utility model is related to household electrical appliance technical field, more particularly to a kind of door body assembly and refrigerator.

Background technology

Refrigerator is to maintain a kind of refrigeration plant of constant low temperature, and one kind makes food or other articles keep constant low temperature The product for civilian use of cold conditions.The folding of refrigerator in the market is by setting hinge seat on refrigerator body and being set in door body Axis hole, and with hinge axis connects hinge seat and axis hole, the folding of door body is realized by making door body be rotated around hinge axis. Common refrigerator folding door body manually realizes that, with the increase of user's request, the size of refrigerator is increasing, refrigerator Door body it is also increasing, for child and old man, open the difficulty increase of the door body of refrigerator, particularly user's both hands are all When having article, user needs to put down article in hand and goes to open the door again, adds the inconvenience of user, wastes time and energy.

Therefore, it is necessary to a kind of new door body assembly is provided to solve above-mentioned technical problem.

Utility model content

Main purpose of the present utility model is to provide a kind of door body assembly, it is intended to it is laborious to solve the problems, such as that door body is opened.

To achieve the above object, the utility model proposes door body assembly include：

Door body；

End cap, the end cap are arranged in the door body；

Drive mechanism, the drive mechanism are used to be installed on casing；And

Hinge axis, the drive mechanism are connected with the first end of the hinge axis, for driving the hinge axis rotation, And the second end of the hinge axis passes through key connection with the end cap.

Preferably, the key is spline, flat key, woodruff key or wedge key.

Preferably, hollow shaft sleeve is provided with the end cap, the second end of the hollow shaft sleeve and the hinge axis passes through The key connection.

Preferably, reinforcer is provided with the end cap, the reinforcer includes eaves cap end and is connected with the eaves cap end Shaft end, the shaft end inserted in the hollow shaft sleeve, and the shaft end and the second end of the hinge axis pass through the key connection.

Preferably, the reinforcer and the hinge axis are made by identical metal.

Preferably, screw hole column and locating dowel are provided with the end cap, is provided with the eaves cap end and the screw hole column The screw hole of adaptation and the positioning hole being adapted to the locating dowel；

Or the reinforcer and the hollow shaft sleeve are integral type structure.

Preferably, the drive mechanism includes motor and gear train, the input of the gear train and the motor connection And the output end of the gear train is connected with the first end of the hinge axis.

Preferably, the door body assembly also includes the controller with the motor connection, also, the door body assembly is also wrapped Include at least one of the voice collection device being connected with the controller, pressure sensor and gesture induction device.

Preferably, the door body assembly also includes the housing wrapped up the drive mechanism, and the housing is provided with Through hole, the second end of the hinge axis are overhang through the through hole to the housing.

In addition, the utility model additionally provides a kind of refrigerator, it includes casing and door body assembly as described above, described Door body assembly is arranged on the casing.

In the technical solution of the utility model, the first end of hinge axis is connected with drive mechanism, the second end of hinge axis with End cap is circumferentially positioned to realize by key connection, transmits moment of torsion by the occlusion of key, its moment of torsion efficiency of transmission is high and reliable, will not There are slippery conditions.Meanwhile by the way that motor is installed on casing rather than in door body, largely alleviate door body Deadweight, will not cause the tenesmus of door body to deform, and easy for installation, be easy to manufacture.Moreover, hinge axis direct drive end cap is done Rotary motion, rather than door body is directly acted on, contribute to the service life for extending door body and the maintenance for being easy to door body.In addition, User, to realize the automatic open-close of door body, can be made by controlling drive mechanism to drive hinge axis to rotate facilitating user With while, additionally it is possible to lift the experience of user and the technology sense of product.

Brief description of the drawings

, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work Under, other accompanying drawings can also be obtained according to the structure shown in these accompanying drawings.

Fig. 1 is the decomposing schematic representation of the refrigerator of the utility model embodiment；

Fig. 2 is Fig. 1 decomposed schematic diagram；

Fig. 3 is the enlarged drawing at Fig. 2 A；

Fig. 4 is the structural representation at Fig. 3 another visual angle；

Fig. 5 is the decomposing schematic representation of the refrigerator at another visual angle of the utility model embodiment；

Fig. 6 is the enlarged drawing at Fig. 5 B；

Fig. 7 is the assembling schematic diagram of the end cap portion of the utility model embodiment；

Fig. 8 is Fig. 7 decomposing schematic representation；

Fig. 9 is Fig. 7 C-C profiles.

Drawing reference numeral explanation：

Label	Title	Label	Title
				100	Door body assembly	110	Door body
120	End cap	121	Hollow shaft sleeve
				122	Screw hole column	123	Locating dowel
124	Buckle	130	Hinge axis
				131	Upper spline	140	Housing
141	Shell bottom	142	Cap
				143	Mounting hole	150	Reinforcer
151	Shaft end	152	Eaves cap end
				153	Lower spline	154	Positioning hole
155	Screw hole	200	Casing

Realization, functional characteristics and the advantage of the utility model purpose will be described further referring to the drawings in conjunction with the embodiments.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only part of the embodiment of the present utility model, rather than all Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise Lower obtained every other embodiment, belong to the scope of the utility model protection.

It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment It is only used for explaining relative position relation under a certain particular pose (as shown in drawings) between each part, motion conditions etc., such as When the fruit particular pose changes, then directionality instruction also correspondingly changes therewith.

In addition, and it can not be managed in the utility model such as relating to the description of " first ", " second " etc. is only used for describing purpose Solve to indicate or implying its relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " the One ", at least one this feature can be expressed or be implicitly included to the feature of " second ".It is " more in description of the present utility model It is individual " it is meant that at least two, such as two, three etc., unless otherwise specifically defined.

Also, the technical scheme between each embodiment of the utility model can be combined with each other, but must be with ability Domain those of ordinary skill can be implemented as basis, will be understood that when the combination appearance of technical scheme is conflicting or can not realize The combination of this technical scheme is not present, also not within the protection domain of the requires of the utility model.The utility model meaning " on Under " it is on the basis of the orientation shown in Fig. 1.

The utility model provides a kind of door body assembly 100, it is intended to it is laborious to solve the problems, such as that door body is opened.

As shown in Figures 1 to 4, a kind of door body assembly 100 that the utility model embodiment provides, it includes door body 110, quilt Drive mechanism, hinge axis 130 and the end cap 120 that housing 140 wraps up.Drive mechanism includes motor and gear train, and gear train is to subtract The input connection of fast gear train, motor and gear train, the first end of hinge axis 130 and the output end of gear train connect.Motor After the decelerating effect that high-speed rotation caused by startup passes through gear train, output torque is increased, drives hinge axis to do low speed rotation Transhipment is dynamic.Housing 140 includes shell bottom 141 and cap 142, and cap 142 is combined by internal buckle with shell bottom 141.Motor and gear train It is arranged on shell bottom 141, mounting hole 143 is provided with shell bottom 141, shell bottom 141 is installed on by casing 200 by mounting hole 143 Top corner, then cover cap 142, can both prevent dust from entering the engagement that drive mechanism influences gear, again can be every Extraneous absolutely and drive mechanism, prevent that human contact's drive mechanism is injured.Meanwhile by the way that the housing 140 for wrapping up motor is pacified Loaded on casing rather than in door body, the deadweight of door body is largely alleviated, the tenesmus of door body will not be caused to deform, and is installed It is convenient.In addition, as shown in Figure 3 and Figure 4, through hole is provided with shell bottom 141, the second end of hinge axis 130 is by the through hole to shell Body 140 is overhang.Rotated moreover, hinge axis 130 directly drives end cap 120, rather than directly act on door body 110, Contribute to the service life of extension door body 110, also allow for the maintenance of door body 110.

Wherein, train of reduction gears can include Pyatyi reduction gearing, and motor engages with first order reduction gearing, hinge axis 130 first end engages with level V reduction gearing, wherein, the nominal diameter of second level reduction gearing is more than first order reducing gear The nominal diameter of wheel, the nominal diameter of third level reduction gearing are more than the nominal diameter of second level reduction gearing, the like.This A little reduction gearing can be bevel gear or roller gear etc., and the engagement system of reduction gearing can be but be not limited to external toothing Deng.

In other embodiments, the type of drive of drive mechanism can also be hydraulic-driven or cylinder driving etc., as long as energy Driving hinge axis 130 rotates.Or in a further embodiment, drive mechanism is not originally preferable to carry out Housing 140 in example wraps up and is directly installed on the top of casing 200；Or shell bottom 141 and cap 142 or so are combined into Housing 140.

In the above-described embodiments, the door body assembly also includes the controller with motor connection.Controller receives user and sent Control instruction after controlled motor rotating campaign, to realize the automatic open-close of door body.In addition, door body also includes and controller The voice collection device of connection, voice collection device feed back to controller after receiving the phonetic order of user, and controller is according to anti- The motion of feedforward information motor, to meet that user does not have to the needs of opening Door by Hand, particularly need to open the door in child and old man And when the inconvenience enabling of user's both hands, the usage experience of user can be lifted.Or in a further embodiment, may be used also To replace voice collection device with the pressure sensor for being arranged on bottom half, pass through pressure sensor feedback user sole pressure Power changes to drive the motion of controller control drive mechanism.Or gesture induction device is set to gather in door body User gesture signal, and the gesture information of user is fed back into controller to control the motion of drive mechanism.Wherein, gesture induction Device can be gravity sensor, gyroscope or Magnetic Sensor etc., and it is used for the physical parameter for sensing user's limb action, For example, acceleration, angular speed and magnetic field, the various actions of user in space are tried to achieve further according to these physical parameters. Also, gesture induction device can also be optical sensor, obtain body image by optical sensor, gather the hand of user Gesture signal.In a preferred embodiment, door body assembly can include voice collection device, pressure sensor and gesture induction device At least one of.

Referring to Fig. 5 to Fig. 9, end cap 120 is installed on the top of door body 110 by buckle 124, substitutes the top plate of door body 110 So that door body 110 turns into the door body structure of closing.Hollow shaft sleeve 121, the extension side of hollow shaft sleeve 121 are provided with end cap 120 To towards the inner side of end cap 120 (that is, hollow shaft sleeve 121 towards door body 110 inside extend), and positioned at end cap 120 edge Position, it is connected with the second end of hinge axis 130.Screw hole column 122 is distributed with around hollow shaft sleeve 121 in the inner side of end cap 120 and determines Position post 123.In addition, be also equipped with reinforcer 150 on end cap 120, reinforcer 150 includes shaft end 151 and is connected with shaft end 151 Eaves cap end 152, positioning hole 154 and screw hole 155 are provided with eaves cap end 152.Sky is inserted in shaft end 151 on reinforcer 150 It is interference fitted in spindle sleeve 121 and therewith, reinforcer is realized in eaves cap end 152 by the adaptation of locating dowel 123 and positioning hole 154 150 positioning on end cap 120, realize reinforcer 150 on end cap 120 with being adapted to for screw hole 155 by screw hole column 122 It is fastenedly connected.The lower spline 153 of spline structure is provided with the shaft end 151 of reinforcer 150, after reinforcer 150 is installed, lower flower Key 153 is located in hollow shaft sleeve 121.In a further embodiment, end cap 120 can also be installed on the top plate of door body 110, led to Cross the fastening means such as screw and be fixed on top plate；Or reinforcer 150 and end cap 120 are integral type structure；Or reinforcer 150 and hollow shaft sleeve 121 are integral type structure, are fixed on by modes such as screws on end cap 120.

In the above-described embodiments, hinge axis 130 with end cap 120 by being connected, by motor after the decelerating effect of gear train The enhancing moment of torsion of output passes to end cap 120, and end cap 120 drives door body 110 to rotate, realizes door in the presence of moment of torsion The unlatching of body 110 and closure.In order to improve the transmission efficiency of moment of torsion and transmitting accuracy, be can be seen that with reference to Fig. 3 and Fig. 6 excellent In the embodiment of choosing, hinge axis 130 is connected with end cap 120 using spline, is more particularly set on the second end of hinge axis 130 Have upper spline 131, upper spline 131 is inserted in the hollow shaft sleeve 121 on end cap 120 from top to bottom, and with the shaft end of reinforcer 150 In the internal messing of hollow shaft sleeve 121, hollow shaft sleeve 121 limits hinge axis 130 and transported with reinforcer 150 lower spline 153 on 151 Radial-play in dynamic transmittance process, improves transmission efficiency and the stability transmitted.Moment of torsion is transmitted by the way of spline engagement, Its moment of torsion efficiency of transmission is high and reliable, is not in slippery conditions.Further, hinge axis 130 is hollow with reinforcer 150 Structure, it is easy to passing through for door body wire harness.In other embodiments, spline can also be arranged on outside and the reinforcement of hinge axis 130 The inner side of part 150, or the inner side of hinge axis 130 and the outside of reinforcer 150, moment of torsion is transmitted by the interior external toothing of spline. In other embodiment, hinge axis 130 can also use the circumferential positioning methods such as flat key, round key or wedge key to be connected with end cap 120, and These keys can be multiple and be uniformly distributed circumferentially.

It should be noted that in a preferred embodiment, reinforcer 150 and hinge axis 130 are iron piece, therefore, In both engagement processes, because material is different a side will not be caused to cross quick-wearing, so as to improve making for door body assembly 100 Use the life-span.On the other hand, reinforcer 150 is connected using fixed forms such as screws with end cap 120, when requiring replacement, is only needed more Reinforcer 150 is changed without changing end cap 120, saves maintenance cost.Or the material of reinforcer 150 and hinge axis 130 is adopted With other wear-resisting metal material such as high-carbon steel etc..

In addition, as shown in figure 1, the utility model also provides a kind of refrigerator, it includes casing 200 and door as described above Body component 100, door body assembly 100 are arranged on casing 200.Because the refrigerator employs whole technologies of above-mentioned all embodiments Scheme, therefore all beneficial effects at least caused by the technical scheme with above-described embodiment, this is no longer going to repeat them.

Preferred embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model, Every equivalent structure under utility model of the present utility model design, made using the utility model specification and accompanying drawing content Conversion, or directly/be used in other related technical areas indirectly and be included in scope of patent protection of the present utility model.

Claims (10)

1. a kind of door body assembly, it is characterised in that the door body assembly includes：

Door body；

End cap, the end cap are arranged in the door body；

Drive mechanism, the drive mechanism are used to be installed on casing；And

Hinge axis, the drive mechanism are connected with the first end of the hinge axis, for driving the hinge axis rotation, and institute The second end and the end cap for stating hinge axis pass through key connection.

2. door body assembly as claimed in claim 1, it is characterised in that the key is spline, flat key, woodruff key or wedge key.

3. door body assembly as claimed in claim 1 or 2, it is characterised in that hollow shaft sleeve, the sky are provided with the end cap Second end of spindle sleeve and the hinge axis passes through the key connection.

4. door body assembly as claimed in claim 3, it is characterised in that reinforcer, the reinforcer are provided with the end cap The shaft end being connected including eaves cap end and with the eaves cap end, the shaft end are inserted in the hollow shaft sleeve, the shaft end with it is described Second end of hinge axis passes through the key connection.

5. door body assembly as claimed in claim 4, it is characterised in that the reinforcer and the hinge axis are by identical gold Category is made.

6. door body assembly as claimed in claim 4, it is characterised in that screw hole column and locating dowel, institute are provided with the end cap State and be provided with the screw hole being adapted to the screw hole column and the positioning hole being adapted to the locating dowel on eaves cap end；

Or the reinforcer and the hollow shaft sleeve are integral type structure.

7. door body assembly as claimed in claim 1 or 2, it is characterised in that the drive mechanism includes motor and gear train, institute The input for stating gear train is connected with the motor connection and the output end of the gear train with the first end of the hinge axis.

8. door body assembly as claimed in claim 7, it is characterised in that the door body assembly also includes and the motor connection Controller, also, the door body assembly also voice collection device, pressure sensor and gesture including being connected with the controller At least one of induction installation.

9. door body assembly as claimed in claim 1 or 2, it is characterised in that the door body assembly also includes to the driving machine The housing that structure is wrapped up, the housing are provided with through hole, and the second end of the hinge axis passes through the through hole to the housing Overhang.

A kind of 10. refrigerator, it is characterised in that the refrigerator includes casing and the door body assembly such as any one of claim 1-9, The door body assembly is arranged on the casing.