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Sealing structure

A sealing structure and installation groove technology, applied in the direction of engine sealing, engine components, mechanical equipment, etc., can solve problems such as abnormal deformation, washer distortion, and installation washer, etc., and achieve the effect of inhibiting falling off, stable posture, and inhibiting elastic deformation.

Active Publication Date: 2015-06-10
NOK CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, in the case of a gasket with a small cross-sectional size, the entire gasket is easily deformed. Therefore, in the above-mentioned structure, when the gasket is installed, the gasket may be twisted or abnormally deformed.
Therefore, there is a problem that it is difficult to install the gasket in the correct posture, and it is easy to fall off.

Method used

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Examples

Experimental program
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Embodiment 1

[0037] refer to Figure 1 to Figure 8 , to describe the sealing structure of Embodiment 1 of the present invention.

[0038] especially with reference to Figure 1 ~ Figure 3 , illustrates the gasket of Embodiment 1 of the present invention. figure 1 is a plan view showing the entire gasket of Example 1 of the present invention, figure 2 yes figure 1 AA sectional view in, image 3 yes figure 1 BB section view in .

[0039] The washer 100 is a rubber-like elastic body, and includes a washer main body 110 and a plurality of engaged protrusions 120 . The washer main body 110 has a ring shape in plan, more specifically a racetrack shape. Also, the cross-sectional shape of the gasket main body 110 is circular.

[0040] A plurality of engaged protrusions 120 are provided at intervals on the outer peripheral surface side of the washer main body 110 . In the illustrated example, engaged protrusions are provided at eight locations. Furthermore, in the engaged protrusion 120 ...

Embodiment 2

[0060] Figure 9 ~ Figure 12 Example 2 of the present invention is shown. In this embodiment, the structure in which the shape of the locking protrusion of the gasket is different from that of the first embodiment described above is shown. Since the other structures and functions are the same as those of the first embodiment, the same components are given the same reference numerals and their descriptions are omitted.

[0061]

[0062] In particular, refer to Figure 9 ~ Figure 11 , to illustrate the gasket of Embodiment 2 of the present invention. Figure 9 It is a plan view showing the whole gasket of Example 2 of the present invention, Figure 10 yes Figure 9 AA sectional view in, Figure 11 yes Figure 9 BB section view in .

[0063] The washer 100 is a rubber-like elastic body, and includes a washer main body 110 and a plurality of engaged protrusions 120a. The washer main body 110 has a ring shape in plan, more specifically a racetrack shape. Also, the cross-...

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Abstract

Provided is a sealing structure configured so that, even if the gasket has a small cross-sectional size, the gasket is prevented from coming out and can be maintained in a stable position. A sealing structure is provided with: a first member (200) having a mounting groove (220); a second member (300) affixed to the first member (200); and a gasket (100) mounted in the mounting groove (220) and sealing the gap between the opposing surfaces of the first member (200) and the second member (300). The sealing structure is characterized in that one of both the side wall surfaces of the mounting groove (220) is provided with engagement protrusions (230) arranged at intervals from each other in the direction in which the mounting groove (220) extends, and in that the gasket (100) is provided with protrusions (120) to be respectively engaged with the engagement protrusions (230) from the bottom side of the mounting groove (220).

Description

[0001] technology area [0002] The present invention relates to a sealing structure provided with a gasket. Background technique [0003] Conventionally, there is known a sealing structure provided with a gasket installed in a mounting groove, which is provided with a protrusion on the gasket side or the mounting groove side, and utilizes an elastic reaction force generated by compressing a part of the gasket in the direction of the groove width to prevent the gasket from falling. The mounting groove falls off (refer to Patent Document 1). [0004] However, in the case of a gasket having a small cross-sectional size, the entire gasket is easily deformed. Therefore, in the above-mentioned structure, when the gasket is attached, there is a possibility that the gasket may be twisted or abnormally deformed. Therefore, there is a problem that it is difficult to attach the gasket in a correct posture, and it is easy to drop off. [0005] prior art literature [0006] patent docu...

Claims

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Application Information

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IPC IPC(8): F16J15/10
CPCF16J15/061F16J15/062F16J15/104F16J15/106
Inventor 于楠
Owner NOK CORP
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