CN205636191U - Shock -absorbing structure and washing machine for washing machine - Google Patents

Abstract

The utility model relates to a shock-absorbing structure for a washing machine and a washing machine. The shock-absorbing structure comprises a box body and an outer cylinder located in the box body. connection, the shock absorber assembly includes a shock absorber, a conversion bracket connecting the shock absorber and the box body, the upper end of the shock absorber is rotatably connected with the outer cylinder, and the lower end forms a multi-angle rotation connection with the box body through the conversion bracket . The washing machine of the utility model adds a conversion bracket between the shock absorber and the box body, so that the shock absorber can rotate at multiple angles relative to the box body, thereby effectively expanding the working range of the shock absorber and improving its shock absorption effect.

Description

Shock absorbing structure for washing machine and washing machine

technical field

The utility model relates to a washing machine, in particular to a shock absorbing structure for a washing machine and a washing machine equipped with the structure.

Background technique

Generally, the upper end of the outer cylinder of the washing machine is connected with the casing through a hanging spring, and the lower end is connected with the casing through a shock absorber and the bottom plate of the casing or the suspension beam of the middle bracket. During the operation of the washing machine, the vibration of the washing machine is absorbed through the buffering effect of the shock absorber to achieve the purpose of shock absorption. Most of the existing shock absorbers are connected to the outer cylinder or box by pins, and generally only the shock absorber is allowed to rotate in one direction, that is, when the outer cylinder assembly vibrates up and down, the shock absorber will The shock effect is not limited, but when the outer cylinder moves in parallel in the horizontal plane, the shock absorber cannot work effectively, and it is difficult to meet the requirements of use, especially when the outer cylinder vibrates greatly in the front and rear, the shock absorber cannot effectively absorb the vibration energy, reducing the The service life of the washing machine.

In view of this, the utility model is proposed.

Utility model content

The purpose of the utility model is to overcome the deficiencies of the prior art, and provide a shock-absorbing structure for a washing machine that can reduce the vibration of the outer cylinder of the washing machine and improve the service life of the washing machine.

Another object of the present invention is to provide a washing machine equipped with the above shock absorbing structure for washing machine.

In order to realize the purpose of the first invention, the utility model adopts the following technical solutions:

A shock absorbing structure for a washing machine, comprising a box body and an outer cylinder located in the box body, the upper end of the outer cylinder is connected to the box body through a hanging spring, and the lower end is connected to the box body through a shock absorber assembly, and the shock absorber assembly includes, The shock absorber and the conversion bracket connecting the shock absorber and the box body, the upper end of the shock absorber is rotatably connected with the outer cylinder, and the lower end forms a multi-angle rotation connection with the box body through the conversion bracket.

Further, a pair of hinge shafts perpendicular to each other is installed on the conversion bracket, one of which is arranged parallel to the axis of the outer cylinder, and the conversion bracket is respectively hinged to the shock absorber and the box through the hinge shafts.

Further, the conversion bracket is connected to the bottom plate of the box body or the suspension beam of the middle bracket, and the installation bracket is fixed on the bottom plate of the box body or the suspension beam of the middle bracket, and the installation bracket is matched with the conversion bracket, and the two are formed by a hinge shaft hinged.

Further, at least a pair of elastic washers are provided at the connection between the conversion bracket and the installation bracket, and the elastic washers are sleeved on the hinge shaft and located between the conversion bracket and the installation bracket.

Further, the bottom of the installation bracket is provided with at least one positioning claw, and the positioning claw is bent downwards and stuck on the bottom plate or the suspension beam of the middle bracket.

Further, the shock absorber includes a shock absorber cylinder and a shock absorber push rod, one end of the shock absorber push rod is slidably installed in the shock absorber cylinder, and the other end is provided with a shaft hole, and It is hinged with the conversion bracket through the hinge shaft; the closed end of the shock absorber cylinder is provided with a shaft hole and hinged with the outer wall of the outer cylinder through the hinge shaft, and the hinge axis of the two is parallel to the central axis of the outer cylinder.

Further, the shaft hole of the shock absorber push rod and the shaft hole of the shock absorber cylinder are arranged perpendicular to each other.

Further, a gasket is provided at the joint between the shock absorber cylinder and the outer cylinder, and the gasket is sleeved on the hinge shaft and located between the shock absorber cylinder and the outer cylinder.

Further, there are four groups of shock absorber assemblies, which are centered on the axis of the outer cylinder and arranged symmetrically on both sides of the bottom of the outer cylinder.

In order to achieve the objective of the second invention, the utility model adopts the following technical solution: a washing machine having the above-mentioned shock-absorbing structure.

After adopting the technical solution described in the utility model, the following beneficial effects are brought:

The utility model adds a conversion bracket between the shock absorber and the box body, and the conversion bracket has two hinged shafts in different directions to connect with the shock absorber and the box body respectively, so that the shock absorber can move in two directions relative to the box body. Rotation occurs on the top, so that the shock absorber can not only buffer the vibration of the outer cylinder in the up and down direction, but also buffer the vibration of the outer cylinder in the front and rear directions, effectively expanding the working range of the shock absorber and improving its shock absorption effect.

Description of drawings

Fig. 1: The overall structural diagram of a shock-absorbing structure for a washing machine of the present invention;

Fig. 2: the structural diagram of the shock absorber assembly in the utility model;

Figure 3: a schematic diagram of the explosion in Figure 2;

Figure 4: It is a schematic diagram showing the partial enlargement of Y in Figure 1;

Among them: 1. Box body 2, outer cylinder 3, hanging spring 4, shock absorber assembly 5, intermediate bracket suspension beam 41, shock absorber 42, conversion bracket 43, mounting bracket 411, shock absorber cylinder 412, shock absorber Push rod 431, positioning claw.

detailed description

Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described in further detail.

As shown in Figure 1, a shock absorbing structure for a washing machine includes a box body 1, an outer cylinder 2 installed in the box body 1, the upper end of the outer cylinder 2 is connected to the box body 1 through a hanging spring 3, and the lower end is passed through a shock absorber. The component 4 is connected with the box body 1. When the outer cylinder 2 is working, it will generate a certain amplitude of vibration, and the vibration of the outer cylinder 2 will be transmitted to the hanging spring 3 and the shock absorber component 4, so that the hanging spring 3 and the shock absorber component 4 will be deformed. , the vibration is absorbed. The box body 1 is a rigid structure used to support the outer cylinder 2 and other components. The two sides of the box body 1 are also provided with an intermediate bracket suspension beam 5. Body 1 is fixedly connected, such as welded or screwed. The part below the suspension beam 5 in the middle bracket is generally a cavity for accommodating clothes. The shock absorber assembly 4 includes a shock absorber 41, a conversion bracket 42 connecting the shock absorber 41 and the box body 1, the upper end of the shock absorber 41 is rotatably connected to the outer cylinder 2, and the lower end is connected to the box body through the conversion bracket 42. The body 1 forms a multi-angle rotation connection. When the outer cylinder 2 rotates, its maximum vibration direction is often in the circumferential direction of the outer cylinder 2. When the clothes in the outer cylinder 2 are unevenly distributed, it will also cause vibration in the front and rear directions of the outer cylinder 2. The shock absorber 41 passes through the conversion bracket 42 The multi-angle rotation connection with the box body 1 enables the shock absorber 41 to always follow the vibration direction of the outer cylinder 2, effectively exerting the shock absorbing function.

As shown in Figures 3 and 4, specifically, the multi-angle rotation connection is that a pair of hinged shafts are installed on the conversion bracket 42, and the two hinged shafts are 90° and distributed up and down, wherein one hinged shaft is connected to the outer cylinder 2 The axes are arranged in parallel. Correspondingly, another hinge axis is perpendicular to the axis of the outer tube 2 . The upper hinge axis connects the shock absorber 41 and the conversion bracket 42 , and the lower hinge axis connects the box body 1 and the conversion bracket 42 . The conversion bracket 42 is equivalent to the function of a universal joint, so that the shock absorber 41 can rotate relative to the box body 1 at multiple angles.

The conversion bracket 42 is connected to the bottom plate of the box body 1 or the suspension beam 5 of the middle bracket, and the specific installation position depends on the type of the washing machine. For example, the shock-absorbing structure of a washing machine with a clothes storage box at the bottom, the conversion bracket 42 is connected to the suspension beam of the middle bracket. 5 above; the shock-absorbing structure of the washing machine without the clothes storage box at the bottom, and the conversion bracket 42 is directly connected to the bottom of the box body 1 . The shock-absorbing structure for the washing machine in this embodiment is a structure with an intermediate support suspension beam 5 . In order to facilitate the connection of the conversion bracket 42, a mounting bracket 43 is fixed on the base plate of the box body 1 or the suspension beam 5 of the intermediate bracket. The bottom of the mounting bracket 43 is provided with a positioning claw 431, and the positioning claw 431 is bent downward and Clamped on the intermediate bracket suspension 5, the effect of positioning the installation bracket 43 is played. The positioning claws 431 can also be arranged as a pair, and are positioned on both sides of the installation bracket 43, and play a role by being stuck on the two sides of the intermediate bracket suspension 5. role of positioning. When the mounting bracket 43 is directly installed on the base plate, corresponding holes may be provided on the base plate to cooperate with the positioning claws 431 or the same structure as the intermediate bracket suspension 5 may be provided on the base plate. The mounting bracket 43 is fixed on the bottom plate of the box body 1 or the upper surface of the intermediate bracket suspension beam 5 by screws, and the screw hole can be arranged at the center of the mounting bracket 43 . The mounting bracket 43 cooperates with the conversion bracket 42, and the two form a hinge through a hinge shaft.

Preferably, at least one pair of elastic washers can be provided at the connection between the conversion bracket 42 and the installation bracket 43, which is not shown in the figure, and the elastic washers are sleeved on the hinge shaft and located between the conversion bracket 42 and the installation bracket. Between the brackets 43 , the elastic gasket reduces the friction between the conversion bracket 42 and the installation bracket 43 , and can be deformed to allow the conversion bracket 42 to slide axially relative to the installation bracket 43 . When the shock absorber 41 is under too much force in the front-rear direction, the elastic gasket will be compressed by the conversion bracket 42, and a small amount of displacement will occur to release a certain pressure.

As shown in Fig. 2 and Fig. 3, specifically, the shock absorber 41 includes a shock absorber cylinder 411 and a shock absorber push rod 412, and one end of the shock absorber push rod 412 is slidably mounted on the shock absorber. Inside the shock absorber cylinder 411 , the other end is located outside the shock absorber cylinder 411 and has a shaft hole. A spring, air, or hydraulic oil can be used as a shock-absorbing medium in the shock absorber cylinder 411 . The closed end of the shock absorber cylinder 411 is provided with a shaft hole and is hinged to the outer wall of the outer cylinder 2 through a hinge shaft, and the hinged axis of the two is parallel to the central axis of the outer cylinder 2 . The shaft hole of the shock absorber push rod 412 is hinged to the conversion bracket 42 through a hinge shaft, and the hinge axis thereof is preferably perpendicular to the hinge axis of the shock absorber cylinder 411 .

Preferably, gaskets can also be provided at the connection between the shock absorber cylinder 411 and the outer cylinder 2, and the gaskets are sleeved on the hinge shaft and located between the shock absorber cylinder 411 and the outer cylinder 2 for use To reduce the friction between the shock absorber cylinder 411 and the outer cylinder 2 .

In order to stabilize the position of the outer cylinder 2 in the box body 1, the shock absorber assemblies 4 are divided into four groups, centered on the axis of the outer cylinder 2, and symmetrically arranged on both sides of the bottom of the outer cylinder 2.

The washing machine described in the utility model is any drum washing machine in the prior art, including a composite drum washing machine, as shown in Figure 1, or a drum washing machine in other existing structures, and the composite drum washing machine generally also includes: The rotatable inner cylinder (not shown in the figure), the driving device (not shown in the figure) connected with the inner cylinder and the shell fixed on the box body, the driving device drives the inner cylinder and the outer cylinder to rotate relatively, Realize the rubbing of clothes.

The above is the embodiment of the utility model. For those of ordinary skill in the art, without departing from the principle of the utility model, various deformations and improvements can be made, which should also be regarded as the protection scope of the utility model. .

Claims (10)

1. a use in washing machine shock-damping structure, including, casing, the urceolus that is positioned at casing, urceolus upper end is by hanging spring Being connected with casing, lower end is connected with casing by bumper assembly, it is characterised in that: described bumper assembly includes, subtracts Shake device, connection amortisseur and the conversion support of casing, the upper end of described amortisseur is rotationally connected with urceolus, and lower end is by turning Change support to be connected with casing formation multi-angle rotation.

A kind of use in washing machine shock-damping structure the most according to claim 1, it is characterised in that: on described conversion support Being provided with a pair orthogonal jointed shaft, wherein a jointed shaft be arranged in parallel with urceolus axis, and conversion support is by described Jointed shaft is hinged with amortisseur and casing respectively.

A kind of use in washing machine shock-damping structure the most according to claim 2, it is characterised in that: described conversion support is even It is connected in base plate or the intermediate support overarm of casing, the base plate or intermediate support overarm of casing are fixed with installation Frame, described mounting bracket matches with conversion support, and both are formed hinged by jointed shaft.

A kind of use in washing machine shock-damping structure the most according to claim 3, it is characterised in that: described conversion support with The junction of mounting bracket is additionally provided with at least one pair of elastomeric pad, and described elastomeric pad is enclosed within jointed shaft, and is positioned at conversion Between support and mounting bracket.

A kind of use in washing machine shock-damping structure the most according to claim 3, it is characterised in that: described mounting bracket Bottom is provided with at least one location claw, and described location claw is bent downwardly and is stuck in base plate or intermediate support overarm.

A kind of use in washing machine shock-damping structure the most according to claim 2, it is characterised in that: described amortisseur includes, Amortisseur cylinder and amortisseur push rod, one end of described amortisseur push rod is slidably installed in amortisseur cylinder, another End is provided with an axis hole, and hinged with conversion support by jointed shaft；The blind end of described amortisseur cylinder is provided with an axis hole also Hinged with outer drum outer wall by jointed shaft, and both hinged axis parallel with the central axis of urceolus.

A kind of use in washing machine shock-damping structure the most according to claim 6, it is characterised in that: described amortisseur push rod The axis hole of axis hole and amortisseur cylinder be arranged in a mutually vertical manner.

A kind of use in washing machine shock-damping structure the most according to claim 6, it is characterised in that: described amortisseur cylinder Being provided with pad with the junction of urceolus, described pad is enclosed within jointed shaft, and between amortisseur cylinder and urceolus.

A kind of use in washing machine shock-damping structure the most according to claim 1, it is characterised in that: described bumper assembly It is four groups, and centered by urceolus axis, is symmetricly set on the both sides bottom urceolus.

10. a washing machine, it is characterised in that: there is the shock-damping structure as described in any one of claim 1-9.