TW202221245A - Sealing member which can not being displaced and has better sealing effect - Google Patents

Abstract

A sealing member is suitable for being tightly abutted between a first member and a second member, wherein the first member has a slot for the sealing member to be detachably mounted. The sealing member includes a body portion and a positioning portion. The body portion is used for being embedded within the slot of the first member. The positioning portion is extended upwards from the body portion along a Y direction perpendicular to the slot, and includes two protruding sections of upper surface connected to each other which are extended oppositely along an X direction perpendicular to the Y direction and used to be abutted against an upper surface of the first member. The seal member of this invention abuts against the first member, such that the sealing member is stably mounted within the slot without being displaced due to rotation, and the sealing member further has a better sealing effect.

Description

Seals

The present invention relates to a component for preventing fluid leakage, in particular to a seal.

The existing sealing member 900 installed between a first member 91 and a second member 92 adjacent to prevent leakage of liquid or gas, such as an O-ring, has a circular cross-sectional shape (as shown in FIG. 1 ). When the sealing member 900 is installed in the groove 911 of the first member 91 , the sealing member 900 is easily rotated in the groove 911 to cause dislocation, resulting in poor sealing effect of the sealing member 900 .

Therefore, the object of the present invention is to provide a sealing member which is not dislocated and has a good sealing effect.

Therefore, the seal of the present invention is suitable for tightly abutting between a first member and a second member, the first member has a groove for the seal to be detachably installed, and the seal includes a a body part, and a positioning part.

The body portion is used for being embedded in the groove of the first member.

The positioning portion extends upward from the body portion along a Y direction perpendicular to the groove, and includes two interconnected and extending oppositely along a X direction perpendicular to the Y direction and used to abut the first member. Protruding segment on the upper surface.

The effect of the present invention is that the seal of the present invention abuts against the upper surface of the first member through the positioning portion, so that the seal is stably installed in the groove and does not rotate and displace, thereby making the seal Has better sealing effect.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are designated by the same reference numerals.

The seal of the present invention is suitable for tightly abutting between a first member 91 and a second member 92, and the first member 91 has a groove 911 for the seal to be detachably installed.

Referring to FIG. 2 , a first embodiment of the sealing element of the present invention includes a body portion 1 and a positioning portion 2 , and the body portion 1 and the positioning portion 2 are integral and continuous.

The body portion 1 is used to be embedded in the groove 911 of the first member 91 , and the positioning portion 2 extends upward from the body portion 1 along a Y direction perpendicular to the groove 911 . The positioning portion 2 includes two protruding sections 21 connected to each other and extending oppositely along an X direction perpendicular to the Y direction and used to abut against the upper surface 912 of the first member 91, thereby preventing the seal from The groove 911 is rotated and translocated. In order to make the positioning portion 2 abut against the upper surface 912 of the first member 91 more firmly, preferably, the projected area of the positioning portion 2 along the Y direction is larger than the projected area of the body portion 1 along the Y direction. In addition, the shape of the upper surface 22 of the positioning portion 2 can be elastically designed according to the specific structures of the first member 91 and the second member 92 , so that the sealing member has a better sealing effect, such as shown in FIG. 2 . As shown, the positioning portion 2 has an upper surface 22 which is defined by the top surface 211 of the protruding sections 21 to define an arc shape, so that when the positioning portion 2 contacts the second member 92, stress is generated ( stress), the positioning portion 2 can generate a small strain and also make the sealing member have a good sealing effect.

The width and shape of the body portion 1 are not particularly limited, and can be elastically designed according to the shape of the groove 911 . For example, in order to match the shape of the groove 911 and prevent the seal from rotating in the groove 911 , as shown in FIG. 2 , the width of the body portion 1 is the same from top to bottom along the Y direction, and the The bottom surface of the body portion 1 is a flat surface.

Alternatively, as shown in FIG. 3 and FIG. 4 , in order to make the seal more difficult to fall off from the groove 911 , the width of the body portion 1 gradually increases from top to bottom along the Y direction. Referring to FIG. 3 , the bottom surface of the main body portion 1 is a flat surface, and one side of the bottom surface of the main body portion 1 extends outward along the X direction and the other side retracts in the X direction, except for the It is easier for the sealing element to be put into the groove 911, to fit the shape of the groove 911 and to be stably installed in the groove 911, and since the width of the body portion 1 increases from top to bottom, the The sealing element produces a larger reaction force to the surface of the first member 91 defining the groove 911 and has a better supporting force. As shown in FIG. 4 , the bottom surface of the body portion 1 is concave toward the positioning portion 2 along the Y direction, so when the sealing member is put into the groove 911, it can be pressed from the X direction by pressing On the left and right sides of the main body portion 1, the width of the main body portion 1 is smaller than the width of the groove 911, so that the sealing element can be easily put into the groove 911, and when the second member 92 moves toward the first member When the 91 is pressed down, the two sides of the bottom surface of the main body portion 1 will be pressed down to completely fill the groove 911 .

Referring to FIG. 5 , it is a second embodiment of the sealing member of the present invention. The difference from FIG. 2 of the first embodiment is that in the second embodiment, the upper surface 22 is formed by the top of the protruding sections 21 . The surfaces 211 cooperate to define a circular arc with two connected shapes, so that when the seal installed in the groove 911 is squeezed by the second member 92, a reaction force is generated with a small amount of deformation, Thus, the sealing element has a better sealing effect. The arc length and arc of the arcs are not particularly limited, and can be adjusted according to the structural elasticity of the first member 91 and the second member 92. For example, but not limited to, as shown in FIG. 5 , the shape of the upper surface 22 is two-dimensional. Contiguous and unequal arcs, that is, the arc length and/or radian of one arc is not equal to the arc length and/or radian of the other arc. It can be understood that the shape of the upper surface 22 is two connected and equal arcs (not shown in the figure), which is also an equivalent variation of the second embodiment.

It should be noted that, according to the specific shapes of the first member 91 and the second member 92 , the body portion 1 and the positioning portion 2 of the seal of the present invention can be elastically matched. Therefore, in the second embodiment, the width and shape of the body portion 1 are not limited to the structure shown in FIG. 5 , but may also be the structure of the body portion 1 shown in FIGS. Equivalent variations of the second embodiment are shown in FIG. 6 and FIG. 7 .

Referring to FIG. 8 , it is a third embodiment of the sealing element of the present invention. The difference from FIG. 2 of the first embodiment is that in the third embodiment, the positioning portion 2 has a protruding section 21 formed by the protruding sections 21 . The top surface 211 of the groove 911 is matched to define the upper surface 22 of two spaced arcs, so that the seal installed in the groove 911 can be squeezed by the second member 92 with a smaller The amount of deformation produces a reaction force, which in turn enables the seal to have a better sealing effect. The arcs may also be equal to each other, of unequal arc lengths, of unequal radians, or of unequal arc lengths and radians.

In addition, in the third embodiment, the width and shape of the body portion 1 are not limited to the structure shown in FIG. 8 , and may also be the structure of the body portion 1 shown in FIGS. Equivalent variations of the three embodiments are shown in FIG. 9 and FIG. 10 .

The sealing member of the present invention has elasticity and is made of elastic materials, such as but not limited to fluorine rubber, silicone rubber and the like. A specific aspect of the seal of the present invention is, for example, but not limited to, an O-ring in the form of a closed loop.

To sum up, the sealing member of the present invention abuts against the first member 91 through the positioning portion 2 , so that the sealing member is not easily rotated and dislocated when it is accommodated in the groove 911 , so that the sealing member has a relatively high performance. In addition, the positioning portion 2 can define the upper surface 22 of different shapes by the protruding sections 21, so that the tightness between the sealing element and the first member 91 and the second member 92 can be increased. , so that the seal has a better sealing effect. In addition, by changing the structure of the body portion 1, the sealing member can be more easily embedded in the groove 911 and not easy to fall off, so the purpose of the present invention can indeed be achieved.

However, the above are only examples of the present invention, and should not limit the scope of implementation of the present invention. Any simple equivalent changes and modifications made according to the scope of the patent application of the present invention and the contents of the patent specification are still included in the scope of the present invention. within the scope of the invention patent.

1: Main body 2: Positioning part 21: Prominent segment 211: top surface 22: Upper surface 91: First member 911: Groove 912: Upper surface 92: Second member

Other features and effects of the present invention will be clearly presented in the embodiments with reference to the drawings, wherein: 1 is a schematic cross-sectional view illustrating a conventional seal; 2 is a schematic cross-sectional view illustrating a first embodiment of the seal of the present invention; 3 is a schematic cross-sectional view illustrating a variation of the body portion of the first embodiment; 4 is a schematic cross-sectional view illustrating another variation of the body portion of the first embodiment; 5 is a schematic cross-sectional view illustrating a second embodiment of the seal of the present invention; 6 is a schematic cross-sectional view illustrating a variation of the body portion of the second embodiment; 7 is a schematic cross-sectional view illustrating another variation of the body portion of the second embodiment; 8 is a schematic cross-sectional view illustrating a third embodiment of the seal of the present invention; 9 is a schematic cross-sectional view illustrating a variation of the body portion of the third embodiment; and FIG. 10 is a schematic cross-sectional view illustrating another variation of the body portion of the third embodiment.

1: Main body

2: Positioning part

21: Prominent segment

211: top surface

22: Upper surface

91: First member

911: Groove

912: Upper surface

92: Second member

Claims (10)

A seal is suitable for tightly abutting between a first member and a second member, the first member has a groove for the detachable installation of the seal, and the seal comprises: a body portion for embedding in the groove of the first member; and A positioning portion, extending upward from the body portion along a Y direction perpendicular to the groove, including two interconnected and extending oppositely along a X direction perpendicular to the Y direction and used to abut the first member the protruding segment of the upper surface. The seal according to claim 1, wherein the projected area of the positioning portion along the Y direction is greater than the projected area of the body portion along the Y direction. The sealing element according to claim 1, wherein the positioning portion has an upper surface which is defined by the top surfaces of the protruding segments and defines an arc shape. The sealing element according to claim 1, wherein the positioning portion has an upper surface that is defined by the top surfaces of the protruding segments to define two connected arcs. The seal according to claim 4, wherein the shape of the upper surface is two continuous and unequal arcs. The sealing element of claim 1, wherein the positioning portion has an upper surface which is defined by the top surfaces of the protruding segments and defines two spaced arcs. As claimed in claim 1, the width of the body portion is the same from top to bottom along the Y direction, and the bottom surface of the body portion is a flat surface. The seal of claim 1, wherein the width of the body portion increases from top to bottom along the Y direction. The seal of claim 8, wherein the bottom surface of the body portion is a flat surface, and one side edge of the bottom surface of the body portion extends outward along the X direction and the other side edge extends along the X direction Indent. The seal of claim 8, wherein the bottom surface of the body portion is concave toward the positioning portion along the Y direction.

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