KR101860239B1 - Vertical type damper for increasing horizontal stroke - Google Patents

Abstract

The present invention relates to a vertical type damper with an increased horizontal stroke, capable of increasing damping force. According to the present invention, the damper comprises: a lower body having an upwardly opened storage space formed therein and having a holder formed on a bottom of the storage space; a middle body formed on the bottom of the storage space to allow horizontal movement within a predetermined range when vertical movement of a first horizontal plate is restricted by the holder, and having a plurality of first vertical plates formed in parallel on the first horizontal plate to be apart from each other; an upper body having a plurality of second vertical plates formed in parallel on a bottom surface of a second horizontal plate placed on an upper side of the middle body to be apart from each other so as to alternately arrange the first and second vertical plates in order to be faced with each other, and including a fixing part to fix an object, whose vibration is reduced, on the second horizontal plate; and a viscous fluid filled in the storage space to immerse the first and second vertical plates. Accordingly, in vertical movement of the upper body, a shear force by viscous flowing of the viscous fluid between the first and second vertical plates is exhibited as damping force. Moreover, in horizontal movement of the upper body, only the upper body performs the horizontal movement until the second vertical plate is folded to the first vertical plate, and the upper body performs the horizontal movement with the middle body after the second vertical plate comes in contact with the first vertical plate.

Description

[0001] The present invention relates to a vertical type damper for increasing horizontal stroke,

The present invention relates to a vertical type horizontal stroke increasing damper, and more particularly, to a vertical type horizontal stroke increasing damper capable of increasing a horizontal stroke with a damping force.

Generally, vibrations have a bad influence on a structure or a device, and various dampers for attenuating the damper are used. Such dampers are, for example, a system using an elastic member such as a spring, a system using a viscous fluid, A method using a friction force, a method using a friction force, and the like are used.

A conventional damper is disclosed in Korean Utility Model Application No. 20-1994-0008016 entitled " Damper Device Using Fluid ", which is used to prevent damages between the recesses of the lower bracket and the convex portions of the lower bracket and the convex portions of the upper bracket And a sponge for absorbing the leakage grease, respectively, to prevent leakage of the grease. Another technique for a conventional damper is disclosed in U.S. Patent No. 5379991 entitled " Horizontally and vertically acting viscous vibration damper ".

However, such conventional techniques have limitations in increasing the efficiency of vibration damping and have difficulty in controlling or controlling vibration damping force.

In order to solve such a problem, the applicant of the present invention has proposed a "damper using a viscous fluid " of Korean Patent No. 10-1480350, which is characterized in that the inner space of the storage container, A first body having a plurality of first disks horizontally spaced vertically; A viscous fluid filled in the storage space to cause the first disk to lock; Wherein a bottom plate is located at the bottom of the storage space and a hollow shaft vertically fixed from the bottom plate passes through the central portion of the first disk and the second disk is horizontally fixed A second body that is horizontally overlapped to be spaced apart from the first disk and is installed to be movable in a horizontal direction from the inside of the first body; And a third body having a support shaft vertically inserted into the hollow shaft and an upper plate fixed to an upper end of the support shaft for fixing or installing an object of vibration damping.

However, such a damper using a viscous fluid has a disadvantage in that it requires a structure for converting linear motion into rotational motion, which is structurally complicated, has a limitation in increasing the horizontal stroke, and has a disadvantage in that the rotation angle becomes small when the lead of the screw is long .

In order to solve the problems of the prior art as described above, it is an object of the present invention to increase the damping force and increase the horizontal stroke.

Other objects of the present invention will become readily apparent from the following description of the embodiments.

According to an aspect of the present invention, there is provided a refrigerator comprising: a lower body having a storage space opened upward and having a holder at a bottom of the storage space; Wherein the first horizontal plate is horizontally movable within a predetermined range in a state in which the first horizontal plate is restricted by the holder at the bottom of the storage space and a plurality of first vertical plates are spaced apart from each other on the first horizontal plate, An intermediate body to be provided; The first vertical plate and the second vertical plate are arranged alternately so that the first vertical plate and the second vertical plate are opposed to each other so that a plurality of second vertical plates are spaced apart from each other on the bottom surface of the second horizontal plate positioned on the upper side of the intermediate body, An upper body provided with a fixing portion for fixing an object of vibration damping on the horizontal plate; And a viscous fluid which is filled in the storage space so that the first and second vertical plates are locked, wherein when the upper body is vertically moved, the viscous fluid viscous flow between the first vertical plate and the second vertical plate And the second vertical plate makes horizontal motion only until the second vertical plate contacts the first vertical plate when the upper body is horizontally moved and the second vertical plate contacts the first vertical plate Thereafter, the upper body is horizontally moved together with the intermediate body.

The first vertical plate is inserted between the second vertical plates so that the outer surface is surrounded by the second vertical plate.

The overlapped portion of the first vertical plate and the second vertical plate may correspond to 50 to 80% of the height of the second vertical plate.

The fixing unit may include a plate horizontally provided on an upper end of a support shaft vertically provided on the second horizontal plate.

According to the vertical type horizontal stroke increasing damper of the present invention, the horizontal stroke can be increased due to the unrestrained middle body structure, and the vertical plate spacing between the vertical plate of the middle body and the upper body does not restrict the maximum horizontal stroke Due to the structure, the number of vertical plates can be increased at a limited horizontal size of the product, so that the damping force can be easily increased.

1 is a cross-sectional view illustrating a vertical horizontal stroke increasing damper according to an embodiment of the present invention.

The present invention is capable of various modifications and various embodiments, and specific embodiments are illustrated and described in detail in the drawings. It is to be understood, however, that the invention is not to be limited to the specific embodiments, but is to be understood to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention, And the scope of the present invention is not limited to the following examples.

Hereinafter, embodiments according to the present invention will be described in detail with reference to the accompanying drawings, wherein like or corresponding elements are denoted by the same reference numerals, and redundant explanations thereof will be omitted.

1 is a cross-sectional view illustrating a vertical horizontal stroke increasing damper according to an embodiment of the present invention.

1, a vertical horizontal stroke increasing damper 100 according to an embodiment of the present invention includes a lower body 110, an intermediate body 120, an upper body 130, and a viscous fluid 140 The shear force due to viscous fluid viscous flow between the first vertical plate 122 and the second vertical plate 132 appears as a damping force and the upper body 130 is horizontal Only the upper body 130 moves horizontally until the second vertical plate 132 contacts the first vertical plate 122 and the second vertical plate 132 contacts the first vertical plate 122 The upper body 130 horizontally moves together with the intermediate body 120.

The lower body 110 has a storage space 111 opened to the upper side and a holder 112 at the bottom of the storage space 111. The lower body 110 may be formed of a container having various cross-sectional shapes including a circular or rectangular cross-section. Here, the holder 112 is fixed to the bottom surface of the storage space 111, and a portion except for the edge is opened so as to allow the projection of the first vertical plate 122 to be opened, and the edge of the first horizontal plate 121 As shown in FIG.

The middle body 120 is provided on the bottom of the storage space 111 so that the first horizontal board 121 can be horizontally moved within a predetermined range in a state where the vertical movement of the first horizontal board 121 is restricted by the holder 112, And a plurality of first vertical plates 122 are arranged on the first substrate 121 so as to be spaced apart from each other.

The first vertical plate 122 is inserted between the second vertical plates 132, which will be described later, as in the present embodiment, so that the outer surface can be enclosed by the second vertical plate 132. Accordingly, the intermediate body 120 can be installed stably so as to play a role in influencing the horizontal movement of the upper body 130.

The upper body 130 includes a plurality of second vertical plates 132 disposed on the lower surface of the second horizontal plate 131 positioned on the upper side of the middle body 120 so as to be spaced apart from each other, And the second vertical plate 132 are arranged alternately so as to face each other and the fixing unit 134 is provided on the second horizontal plate 132 to fix the object of vibration damping.

For example, the fixing part 134 may be a plate horizontally provided on the upper end of a support shaft 133 vertically provided on the center of the second horizontal board 131. Since the fixing portion 134 is formed of a plate at the upper end of the support shaft 133, it can be fixed in various ways including a bolt, a bracket, a fitting structure, and other welding on the bottom surface of the vibration damping object. Lt; / RTI >

When the horizontal movement of the upper body 130 is allowed, the second vertical plate 132 is allowed to move within the range of the first vertical plates 122, and is brought into close contact with the first vertical plate 122 The upper body 130 is moved within the range in which the intermediate body 120 is allowed to move by the holder 112. In this case,

The overlap portion h1 of the first vertical plate 122 and the second vertical plate 132 may correspond to 50 to 80% of the height h2 of the second vertical plate 132. Here, when the overlap portion h1 of the first vertical plate 122 and the second vertical plate 132 is less than 50% of the height h2 of the second vertical plate 132, the first and second vertical plates 132, It is difficult to secure a desired degree of damping force by the viscous fluid between the upper and lower bodies 122 and 132. When the ratio exceeds 80%, it is difficult to secure a desired vertical flow of the upper body 130.

The viscous fluid 140 is filled in the storage space 111 so that the first and second vertical plates 122 and 132 are locked. Viscous fluid 140 may be, for example, viscous oil, such as grease, and may damp vibrations by causing resistance to movement thereof between first and second vertical plates 122 and 132.

The operation of the vertical type horizontal stroke increasing damper according to the present invention will now be described.

When the upper body 130 fixed by the fixing portion 134 is filled in the lower body 110 during vertical movement from the lower body 110, the first vertical plate 122 and the second vertical plate 122, The shear force due to the viscous flow of the viscous fluid located between the upper and lower portions 132 appears as a damping force.

When the upper body 130 is horizontally moved, only the upper body 130 moves horizontally until the second vertical plate 132 contacts the first vertical plate 122 and the second vertical plate 132 moves After touching the first vertical plate 122, the upper body 130 moves horizontally with the middle body 120, and this horizontal movement appears as a damping force due to the viscous flow of the viscous fluid.

According to the present invention as described above, the horizontal stroke can be increased due to the unconstrained middle body structure. In contrast, when the vertical plate is installed on the lower body, the distance between the vertical plate of the upper body and the vertical plate of the lower body determines the horizontal stroke. Therefore, when a large horizontal stroke is required, And the number of vertical plates is limited in the limited horizontal size of the product. This leads to a weakening of the damping force in the vertical direction.

On the other hand, according to the present invention, by introducing the intermediate body structure, the interval between the first vertical plate attached to the intermediate body and the second vertical plate of the upper body has a structure that does not restrict the maximum horizontal stroke, The number of the second vertical plates to the number of the second vertical plates can be increased, and the damping force can be increased.

Although the present invention has been described with reference to the accompanying drawings, it is to be understood that various changes and modifications may be made without departing from the spirit and scope of the present invention. Therefore, the scope of the present invention should not be limited to the described embodiments, but should be determined by the scope of the appended claims and equivalents thereof.

110: lower body 111: storage space
112: holder 120: intermediate body
121: first horizontal plate 122: first vertical plate
130: upper body 131: second horizontal plate
132: second vertical plate 133: support shaft
134: Fixing portion 140: Viscous fluid

Claims (4)

A lower body having a storage space opened upward and having a holder at the bottom of the storage space;
Wherein the first horizontal plate is horizontally movable within a predetermined range in a state in which the first horizontal plate is restricted by the holder at the bottom of the storage space and a plurality of first vertical plates are spaced apart from each other on the first horizontal plate, An intermediate body to be provided;
The first vertical plate and the second vertical plate are arranged alternately so that the first vertical plate and the second vertical plate are opposed to each other so that a plurality of second vertical plates are spaced apart from each other on the bottom surface of the second horizontal plate positioned on the upper side of the intermediate body, An upper body provided with a fixing portion for fixing an object of vibration damping on the horizontal plate; And
And a viscous fluid filled in the storage space to lock the first and second vertical plates,
A shear force due to a viscous fluid viscous flow between the first vertical plate and the second vertical plate is expressed as a damping force when the upper body vertically moves,
Wherein when the upper body is horizontally moved, only the upper body moves horizontally until the second vertical plate contacts the first vertical plate, and after the second vertical plate contacts the first vertical plate, Horizontal motion is performed with the intermediate body,
And the overlapping portion of the first vertical plate and the second vertical plate,
Of the second vertical plate is 50 to 80% of the height of the second vertical plate. The method according to claim 1,
The first vertical plate
And the second vertical plate is disposed in a state of being inserted between the second vertical plates so that the outer side faces are surrounded by the second vertical plates. delete The method according to claim 1 or 2,
The fixing unit includes:
And a plate horizontally provided on an upper end of a support shaft vertically provided on the second horizontal plate.

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