CN208416237U - A kind of dish-washing machine and its door hinge balance mechanism - Google Patents

Abstract

The utility model discloses a kind of dish-washing machine and its door hinge balance mechanisms, door hinge balance mechanism includes door hinge, hinge connecting plate, deflecting roller, door tension spring and door drawstring, door hinge includes the fixed part being fixedly connected and balance portion, fixed part is fixedly connected in the door body of dish-washing machine, hinge connecting plate is fixedly connected on the matrix of dish-washing machine, and door hinge and door body are rotatably connected on hinge connecting plate respectively；The first end of door tension spring is fixedly connected on matrix, and second end is fixedly connected on the first end of a drawstring；The second end of door drawstring is fixedly connected in balance portion after around deflecting roller, deflecting roller is fixedly installed in matrix, at least one protrusion fulcrum of downwardly projecting setting in the balance portion of door hinge, so that at least one protrusion fulcrum can be against on a drawstring so that door body can hover in predetermined angular range after door body is greater than or equal to first angle from closed state Unscrew.The utility model structure is simple, and occupied space greatly reduces.

Description

A kind of dish-washing machine and its door hinge balance mechanism

Technical field

The utility model relates to dish-washing machine technical field more particularly to a kind of dish-washing machines and its door hinge balance mechanism.

Background technique

Dish-washing machine is reached when saving design space and dish-washing machine enabling by using door hinge balance mechanism through balance control Any position after structure control dish-washing machine external door processed hovers over 15 degree.Usual door hinge components are articulated at left and right sides of body, Pass through hovering position of the Hovering control structure control dish-washing machine external door in opening procedure.Current most dish-washing machine switch gate Hovering control structure be using increased friction resistance and door tension spring cooperation by the way of, i.e., external door two sides be respectively door hinge and hinge Chain link plate is fixed by shaft, and door hinge is fixed on exterior door components and rotates 0-95 degree by axle center of shaft, and hinge connecting plate is solid It is scheduled on and washes the dishes on machine base, metal friction one end is hung on door hinge hook, and metal friction item is fixed on by one or two After fricting strip guide pin on pedestal increases frictional resistance, the other end hangs over tension spring one end, and the other end of door tension spring is fixed on On pedestal, cooperated when switch gate by the torque arm length (definite value) of the pulling force of tension spring, frictional resistance, door hinge, with friction Resistance come the shortcomings that overcoming door hinge torque arm length to be unable to dynamic equilibrium, come when realizing switch gate in the hovering of each angle, it is this Structure occupied space is big and design structure is complicated.

The disclosure of background above technology contents is only used for the design and technical solution that auxiliary understands the utility model, not The prior art for necessarily belonging to present patent application shows above content in the applying date of present patent application in no tangible proof In the case where having disclosed, above-mentioned background technique should not be taken to the novelty and creativeness of evaluation the application.

Utility model content

In order to solve the above technical problems, the utility model proposes a kind of dish-washing machine and its door hinge balance mechanism, structure letter Single, manufacturing cost is low, and occupied space greatly reduces.

In order to achieve the above object, the utility model uses following technical scheme:

One embodiment of the utility model discloses a kind of door hinge balance mechanism of dish-washing machine, including door hinge, hinge Chain link plate, deflecting roller, door tension spring and door drawstring, the door hinge include the fixed part being fixedly connected and balance portion, the door The fixed part of hinge is fixedly connected in the door body of dish-washing machine, and the hinge connecting plate is fixedly connected on the matrix of dish-washing machine, The door hinge and the door body are rotatably connected to respectively on the hinge connecting plate；The first end of the door tension spring is fixed On the matrix, second end is fixedly connected on the first end of the door drawstring for connection；The second end of the door drawstring is bypassing It is fixedly connected on after the deflecting roller in the balance portion of the door hinge, the deflecting roller is fixedly installed on described matrix It is interior, in which: at least one protrusion fulcrum of downwardly projecting setting in the balance portion of the door hinge, so that in the door body The door can be against more than or equal at least one described protrusion fulcrum after first angle from closed state Unscrew to draw So that the door body can hover in predetermined angular range on rope.

Preferably, the first angle is 10~20 °.

Preferably, wherein predetermined angular range refers to the door body out of 37~95 ° of closed state Unscrew.

Preferably, it is respectively equipped with shaft hole in the door hinge and the hinge connecting plate, the door hinge and described Door body passes through shaft respectively and is rotatably connected on the hinge connecting plate, wherein the shaft hole setting in the door hinge exists At the fixed part and the link position in the balance portion.

Preferably, the end in the balance portion of the door hinge is equipped with connection hook, and the second end of the door drawstring is fixed It is connected on the connection hook.

Preferably, the protrusion fulcrum include at least one section of arc sections so that be greater than in the door body Unscrew or It is against on the door drawstring equal to arc sections described after first angle.

Preferably, the arc sections are equipped with arc groove so that being greater than or equal to first in the door body Unscrew The arc groove is against on the door drawstring after angle.

Preferably, the protrusion fulcrum is pin feature or metal plate bending structure.

Preferably, the door tension spring is horizontally disposed, and the deflecting roller is fixedly connected on and level similar in the door tension spring So that the first end of the door drawstring is to one section of holding horizontality being wound on the deflecting roller in height.

Another embodiment of the utility model discloses a kind of dish-washing machine, including matrix, door body and above-mentioned door hinge Chain balance mechanism.

Compared with prior art, the utility model has the beneficial effects that: dish-washing machine provided by the utility model and its door By setting downwardly projecting in the balance portion of door hinge, at least one protrudes fulcrum to hinge balance mechanism, when door body is from closing When state is greater than or equal to first angle around shaft Unscrew, protrusion fulcrum can resist a drawstring and play support work With dynamically adjusting the torque arm length of door hinge in predetermined angular range and elongate tension spring and increase a pulling force, make the weight of door body The reserve migration of door body center of gravity when the pulling force dynamic equilibrium of power and door tension spring is to overcome enabling realizes that door body is hovered in each position Purpose；And the door hinge balance mechanism, by rotating in the fixed door body of door hinge, hinge connecting plate is fixedly connected on matrix On, one end of door drawstring is fixedly connected on the balance portion of door hinge, and the other end connect around deflecting roller with one end of door tension spring, door The tension spring other end is fixed on matrix, efficiently reduces design occupied space, and reduce structure complexity, reduce manufacture at This, solves the problems, such as that occupied space present in existing door hinge balance mechanism is big and structure is complicated.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the dish-washing machine of the preferred embodiment of the utility model；

Fig. 2 is the structural schematic diagram of the door hinge in Fig. 1；

Fig. 3 is the structural schematic diagram when door body of dish-washing machine in Fig. 1 opens 40 °；

Fig. 4 is the structural schematic diagram when door body of dish-washing machine in Fig. 1 opens 90 °；

Fig. 5 is the structural schematic diagram when door body of dish-washing machine in Fig. 1 opens 15 ° and 90 °；

Fig. 6 is the structural schematic diagram when door body of dish-washing machine in Fig. 1 opens 0 °, 15 °, 30 °, 45 °, 60 °, 75 ° and 90 °.

Specific embodiment

Below against attached drawing and in conjunction with preferred embodiment, the utility model is described in further detail.

As shown in Figures 1 to 6, the door hinge balance mechanism 100 of the dish-washing machine of the preferred embodiment of the utility model, including Door hinge 10, shaft 20, hinge connecting plate 30, deflecting roller 40, door tension spring 50 and door drawstring 60, door hinge 10 include being fixedly connected Fixed part 11 and balance portion 12 (in the present embodiment, fixed part 11 and balance portion 12 are structure as a whole), fixed part 11 it is fixed In the door body 200 for connecting dish-washing machine, hinge connecting plate 30 is fixedly connected on the matrix 300 of dish-washing machine, and door hinge 10 is equipped with Shaft hole 13, shaft hole is similarly equipped on hinge connecting plate 30, and door hinge 10 and door body 200 can be rotated by shaft 20 respectively It is connected on hinge connecting plate, the first end of door tension spring 50 is fixedly connected on matrix 300, and second end is fixedly connected on a drawstring 60 first end；The second end of door drawstring 60 is fixedly connected in balance portion 12 after around deflecting roller 40, and deflecting roller 40 is arranged In (wherein, deflecting roller 40 can be fixedly connected on hinge connecting plate 30 or directly be fixedly connected on matrix in matrix 300 On 300), in which: one protrusion fulcrum 14 of downwardly projecting setting in balance portion 12, so that in door body 200 from closed state Unscrew is greater than or equal to the protrusion fulcrum 14 after first angle and is against on a drawstring 60 that so that door body 200 is hovered over pre- Determine in angular range.

Wherein first angle be 10~20 °, in the present embodiment, first angle be 15 °, as shown in figure 5, door body 200 from The protrusion fulcrum 14 can be against on a drawstring 60 after closed state Unscrew is greater than or equal to 15 °；Predetermined angular range Refer to the door body out of 37~95 ° of closed state Unscrew.

Such as Fig. 2, the shaft hole 13 of door hinge 10 is arranged at fixed part 11 and the link position in balance portion 12.Fixed part 11 It is fixedly connected in door body 200 by screw, the end in balance portion 12 is equipped with connection hook 121, the second end of door drawstring 60 It is fixedly connected on hook 121.Wherein in the present embodiment, fixed part 11 and balance portion 12 are strip structure, fixed part 11 The integrally connected in obtuse angle between balance portion 12, but it is not limited only to this, in other embodiments, fixed part 11 and balance portion 12 can For arbitrary structures.

Protruding fulcrum 14 includes at least one section of arc sections 141 so that arc sections 141 are supported in 200 Unscrew of door body On door drawstring 60, further, arc groove 1411 is being equipped in arc sections 141 so that in 200 Unscrew of door body Arc groove 1411 is against on a drawstring 60.Wherein protrusion fulcrum 14 can use pin feature or metal plate bending structure.

Such as Fig. 1, in this specific example, door tension spring 50 is horizontally disposed, and deflecting roller 40 is fixedly connected on and 50 phase of door tension spring So that the first end of door drawstring 60 is to one section of holding horizontality being wound between on deflecting roller 40 in close level height.

In other embodiments, protrusion fulcrum 14 is also possible to multiple.

A kind of dish-washing machine is also disclosed in the preferred embodiment of the utility model, including above-mentioned door hinge balance mechanism 100, door Body 200 and matrix 300.

The door hinge balance mechanism 100 of the dish-washing machine of the preferred embodiment in the utility model passes through in the balance portion of door hinge 10 At least one protrusion fulcrum 14 of downwardly projecting setting on 12, as shown in figure 5, working as door body 200 from closed state around shaft 20 At 15 ° of Unscrew, protrusion fulcrum 14 resists a drawstring 60 and plays a supporting role, the dynamic adjustment door at 37~95 ° of enabling 10 torque arm length of hinge simultaneously makes a tension spring 50 elongate increase pulling force, and the pulling force dynamic of the gravity and door tension spring 50 that make door body 200 is flat Weighing apparatus to overcome enabling when 200 center of gravity of door body reserve migration (as shown in connection with fig. 6, door body 200 open 0 °, 15 °, 30 °, 45 °, At 60 °, 75 ° and 90 °, the center of gravity of door body 200 is respectively A, B, C, D, E, F, G, in the process, with the center of gravity of door body 200 Offset, the arm of force of door body 200 gradually increases, at the same time, the arm of force of the contact point of protrusion fulcrum 14 and door drawstring 60 Increase therewith, and door tension spring 50 is elongated therewith so that pulling force increases with it, so as to reach dynamic equilibrium), realization is opened The purpose of door each position hovering after 15 °.The door hinge balance mechanism 100 by door hinge 10 be fixed in door body 200 with Shaft 20 is that axle center rotates 0~95 °, and hinge connecting plate 30 is fixedly connected on matrix 300, and one end of door drawstring 60 is fixedly connected In the balance portion 12 of door hinge 10, the other end is connect around deflecting roller 40 with one end of door tension spring 50, and 50 other end of door tension spring is solid It is scheduled on matrix 300, efficiently reduces design occupied space, and reduce structure complexity, solve existing door hinge The problem of occupied space present in balance mechanism is big and structure is complicated.

It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined Assert that the specific implementation of the utility model is only limited to these instructions.For those skilled in the art of the present invention For, without departing from the concept of the premise utility, several equivalent substitute or obvious modifications, and performance can also be made Or purposes is identical, all shall be regarded as belonging to the protection scope of the utility model.

Claims (9)

1. a kind of door hinge balance mechanism of dish-washing machine, which is characterized in that including door hinge, hinge connecting plate, deflecting roller, Men La Spring and door drawstring, the door hinge include the fixed part being fixedly connected and balance portion, and the fixed part of the door hinge is fixedly connected In the door body of dish-washing machine, the hinge connecting plate is fixedly connected on the matrix of dish-washing machine, the door hinge and the door body It is rotatably connected on the hinge connecting plate respectively；The first end of the door tension spring is fixedly connected on the matrix, the Two ends are fixedly connected on the first end of the door drawstring；The second end of the door drawstring is fixedly connected after around the deflecting roller In the balance portion of the door hinge, the deflecting roller is fixedly installed in described matrix, in which: in the door hinge At least one protrusion fulcrum of downwardly projecting setting in balance portion, so that being greater than in the door body from closed state Unscrew Or it can be against on the door drawstring equal at least one described protrusion fulcrum after first angle so that the door body can hang It is parked in predetermined angular range.

2. door hinge balance mechanism according to claim 1, which is characterized in that the first angle is 10~20 °.

3. door hinge balance mechanism according to claim 1, which is characterized in that wherein predetermined angular range refers to the door Body is out of 37~95 ° of closed state Unscrew.

4. door hinge balance mechanism according to claim 1, which is characterized in that connected in the door hinge with the hinge It is respectively equipped with shaft hole on plate, the door hinge, which with the door body passes through shaft respectively and is rotatably connected to the hinge, to be connected On plate, wherein the shaft hole in the door hinge is arranged at the fixed part and the link position in the balance portion.

5. door hinge balance mechanism according to claim 1, which is characterized in that the end in the balance portion of the door hinge It is linked up with equipped with connection, the second end of the door drawstring is fixedly connected on the connection hook.

6. door hinge balance mechanism according to claim 1, which is characterized in that the protrusion fulcrum includes at least one section Arc sections are so that the arc sections are against on the door drawstring after the door body Unscrew is greater than or equal to first angle.

7. door hinge balance mechanism according to claim 6, which is characterized in that the arc sections be equipped with arc groove with So that the arc groove is against on the door drawstring after the door body Unscrew is greater than or equal to first angle.

8. door hinge balance mechanism according to claim 1, which is characterized in that the protrusion fulcrum be pin feature or Person's metal plate bending structure.

9. a kind of dish-washing machine, including matrix and door body, which is characterized in that further include the described in any item door hinges of claim 1 to 8 Chain balance mechanism.