CN217502248U - Halving anti-loosening gasket - Google Patents

Abstract

The utility model relates to a halving anti-loose gasket, which comprises a gasket body, wherein the gasket body is a circular ring structure formed by splicing a first gasket and a second gasket which are roughly in a semi-circular shape, the inner side of the front end part of the first gasket is provided with a first limiting block, and the inner side of the front end part of the second gasket is provided with a first limiting groove matched with the shape of the first limiting block; the inner side of the rear end part of the first gasket is provided with a second limiting groove, and the inner side of the rear end part of the second gasket is provided with a second limiting block matched with the second limiting groove in shape. This design can increase or change gasket thickness under the condition of not dismantling bolt and nut, has improved work efficiency, has reduced staff's the work degree of difficulty.

Description

Halving anti-loosening gasket

Technical Field

The utility model relates to a to locking gasket halving.

Background

Gaskets are mechanical seals between two objects, typically to prevent pressure, corrosion, and natural thermal expansion and contraction leakage of the tubing between the two objects. Since the machined surface may not be perfect, the irregularities can be filled using shims.

For the occasion that some bolt and nut are difficult to dismantle, if need increase or change gasket thickness, then use the conventional ring shape gasket that is difficult to realize, only can dismantle bolt and nut by force, increased the work degree of difficulty, also staff's that improves working strength.

Just based on above-mentioned reason, utility model has designed one kind to locking gasket.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome prior art's is not enough, adapts to the reality needs, provides one kind and to locking gasket, can increase or change gasket thickness under the condition of not dismantling bolt and nut, has improved work efficiency, has reduced staff's the work degree of difficulty.

In order to realize the utility model discloses a purpose, the utility model discloses the technical scheme who adopts does:

designing a halving anti-loosening gasket, which comprises a gasket body, wherein the gasket body is of a circular structure formed by splicing a first gasket and a second gasket which are approximately semicircular, a first limiting block is arranged on the inner side of the front end of the first gasket, and a first limiting groove matched with the first limiting block in shape is arranged on the inner side of the front end of the second gasket; the inner side of the rear end part of the first gasket is provided with a second limiting groove, and the inner side of the rear end part of the second gasket is provided with a second limiting block matched with the second limiting groove in shape.

The first limiting block comprises an L-shaped structure consisting of a first transition block and a first clamping block, the first clamping block is of a right-angle trapezoidal structure, the width of the first clamping block is gradually reduced from the front end to the rear end, and the rear end of the first clamping block is connected with the front end part of the first gasket through the first transition block; a first clamping groove is defined between the inner side wall of the first clamping block, the front wall of the first transition block and the front end face of the first gasket, the first clamping groove is in an isosceles trapezoid shape, the width of the first clamping groove is gradually reduced from the front end to the rear end, and a first clamping convex block matched with the first clamping groove is formed on the inner side of the front end face of the second gasket; the second stopper is "L" shape structure that comprises second transition piece and second joint block, second joint piece is the right trapezoid structure, and its width is crescent to the rear end by the front end, the front end of second joint piece pass through the second transition piece with the rear end tip of second gasket links to each other, enclose into the second draw-in groove between the inside wall of second joint piece, the rear wall of second transition piece and the rear end terminal surface of second gasket, the second draw-in groove is the isosceles trapezoid that the width is crescent to the rear end by the front end, the rear end terminal surface inboard of first gasket form with the second lug of the block that the second draw-in groove matches.

The shape of first gasket and second gasket is the same, when first gasket and second gasket make up into the gasket body, first stopper and second stopper with the axle center central symmetry of gasket body sets up, first spacing groove and second spacing groove with the axle center central symmetry of gasket body sets up.

The automatic limiting mechanism comprises a limiting part, limiting grooves matched with the cross-sectional shapes of the limiting part and arranged on the outer walls of the first clamping block and the second clamping block, and a plurality of compression springs arranged in the limiting grooves, wherein one end of each compression spring is fixed at the bottom of the inner wall of each limiting groove, the other end of each compression spring is connected with the inner end of each limiting part, and the depth of each limiting groove is greater than the maximum height of each limiting part; the initial state length of the compression spring is smaller than the depth of the limiting groove; the interior of the limiting part is of a square structure, the exterior of the limiting part is of a circular arc structure, and automatic limiting grooves matched with the external shape of the limiting part in a clamping mode are arranged on the inner walls of the first limiting groove and the second limiting groove.

The beneficial effects of the utility model reside in that:

the design can increase or change the thickness of the gasket under the condition of not disassembling the bolt and the nut, thereby improving the working efficiency and reducing the working difficulty of workers;

this design is through setting up two identical bisections about axle center centrosymmetric with first gasket and second gasket, if place a lot of gaskets together in the installation, need not to distinguish first gasket or second gasket, and two bisection gaskets of taking at will can make up into annular gasket body, in addition, also can not appear one of them halving gasket and lose, then corresponding half also useless condition, improved work efficiency, also saved the cost.

Drawings

FIG. 1 is a schematic structural view of example 1;

FIG. 2 is a schematic structural view of example 2;

FIG. 3 is an exploded view of example 3;

fig. 4 is a schematic sectional view of an automatic limiting mechanism according to embodiment 3.

In the figure, 1 a gasket body, 2 a first gasket, 3 a second gasket, 4 a first limiting block, 5 a first limiting groove, 6 a second limiting groove, 7 a second limiting block, 8 a first lug, 9 a second lug, 10 an automatic limiting mechanism, 11 a limiting block, 12 a limiting groove, 13 a compression spring, 14 an automatic limiting groove, 41 a first transition block, 42 a first clamping block, 43 a first clamping groove, 71 a second transition block, 72 a second clamping block and 73 a second clamping groove.

Detailed Description

The invention will be further described with reference to the following figures and examples:

example 1: referring to fig. 1, the halving anti-loose gasket of the present embodiment includes a gasket body 1, where the gasket body 1 is a circular structure formed by splicing a first gasket 2 and a second gasket 3, which are approximately semicircular, the inner side of the front end of the first gasket 2 is provided with a first limit block 4, and the inner side of the front end of the second gasket 3 is provided with a first limit groove 5 matched with the first limit block 4 in shape; the inner side of the rear end of the first gasket 2 is provided with a second limiting groove 6, the inner side of the rear end of the second gasket 3 is provided with a second limiting block 7 matched with the second limiting groove 6 in shape, the annular gasket body 1 is divided into the first gasket 2 and the second gasket 3 which are approximately semicircular, and for occasions where bolts and nuts are difficult to detach, if the thickness of the gaskets needs to be increased or changed, the halved gaskets are used, the bolts are firstly unscrewed, then the first gasket 2 and the second gasket 3 are separately placed from two sides, then the two sides are folded, and then the bolts are screwed, so that the thickness of the gaskets can be increased or changed without detaching the bolts and the nuts, the working efficiency is improved, and the working difficulty of workers is reduced; in addition, through set up first stopper 4, second stopper 7, first spacing groove 5 and second spacing groove 6 on first gasket 2 and second gasket 3 respectively, first stopper 4 matches the block with first spacing groove 5, and second stopper 7 matches the block with second spacing groove 6, can play certain locking effect, ensures that the split gasket can play the same effect and effect with complete annular gasket when using.

Further, the first limiting block 4 comprises an L-shaped structure composed of a first transition block 41 and a first clamping block 42, the first clamping block 42 is in a right-angle trapezoidal structure, the width of the first clamping block 42 is gradually reduced from the front end to the rear end, and the rear end of the first clamping block 42 is connected with the front end of the first gasket 2 through the first transition block 41; a first clamping groove 43 is defined between the inner side wall of the first clamping block 42, the front wall of the first transition block 41 and the front end face of the first gasket 2, the first clamping groove 43 is an isosceles trapezoid with the width gradually decreasing from the front end to the rear end, and a first protruding block 8 matched with the first clamping groove 43 and clamped is formed on the inner side of the front end face of the second gasket 3; the second limiting block 7 is an L-shaped structure composed of a second transition block 71 and a second clamping block 72, the second clamping block 72 is in a right-angled trapezoid structure, the width of the second clamping block 72 is gradually increased from the front end to the rear end, the front end of the second clamping block 72 is connected with the rear end of the second gasket 3 through the second transition block 71, a second clamping groove 73 is defined by the inner side wall of the second clamping block 72, the rear wall of the second transition block 71 and the rear end face of the second gasket 3, the second clamping groove 73 is in an isosceles trapezoid shape, the width of the isosceles trapezoid shape is gradually increased from the front end to the rear end, a second protruding block 9 matched with the second clamping groove 73 is formed on the inner side of the rear end face of the first gasket 2, the first clamping block 42 is in a right-angled trapezoid structure, the width of the isosceles trapezoid shape is gradually decreased from the front end to the rear end, the second clamping block 72 is in a right-angled trapezoid structure, the width of the right-angled trapezoid shape is gradually increased from the front end to the rear end, after the first gasket 2 and the second gasket 3 are combined, the first clamping block 42 and the first limiting groove 5 are limited in the horizontal direction, the first clamping block and the first limiting groove cannot be separated along the horizontal direction, and only when the bolt is loosened, enough space is generated, so that the first gasket 2 and the second gasket 3 can move along the axial direction of the bolt to generate a height difference to separate the first gasket 2 from the second gasket 3, and therefore the anti-loosening effect is achieved, the first gasket 2 and the second gasket 3 cannot be separated accidentally under the condition that the bolt is tightened, and the gaskets can work normally; enclose into first draw-in groove 43 between the inside wall through first joint piece 42, the antetheca of first transition piece 41 and the front end terminal surface of first gasket 2, first draw-in groove 43 is the isosceles trapezoid that the width is reduced gradually by the front end to the rear end, the inboard first lug 8 that forms with the block that first draw-in groove 43 matches of front end terminal surface of second gasket 3 can increase the block intensity of first gasket 2 and second gasket 3, further improves locking effect.

Example 2: as shown in fig. 2, the same parts as those of embodiment 1 are not repeated, but the difference is that in this embodiment, when the first gasket 2 and the second gasket 3 are combined into the gasket body 1, they are arranged in a central symmetry manner, therefore, the first limiting block 4 and the second limiting block 7 are arranged in a central symmetry manner around the axis of the gasket body 1, the first limiting groove 5 and the second limiting groove 6 are arranged in a central symmetry manner around the axis of the gasket body 1, namely the first gasket 2 and the second gasket 3 are completely the same, when in installation, if a plurality of gaskets are put together, the first gasket 2 or the second gasket 3 do not need to be distinguished, two halved gaskets can be taken at will to be combined into the annular gasket body 1, in addition, the situation that one halved gasket is lost and the other corresponding halved gasket is useless can not occur, the working efficiency is improved, and the cost is also saved.

Example 3: as shown in fig. 3-4, in this embodiment, an automatic limiting mechanism 10 is disposed on the inner side walls of the first clamping block 42 and the second clamping block 72, the automatic limiting mechanism 10 includes a limiting member 11, a limiting groove 12 that is matched with the cross-sectional shape of the limiting member 11 and is disposed on the outer walls of the first clamping block 42 and the second clamping block 72, and a plurality of compression springs 13 that are disposed in the limiting groove 12, one end of each compression spring 13 is fixed at the bottom of the inner wall of the limiting groove 12, the other end of each compression spring is connected with the inner end of the limiting member 11, and the depth of the limiting groove 12 is greater than the maximum height of the limiting member 11; the initial state length of the compression spring 13 is smaller than the depth of the limit groove 12; the inner part of the limiting piece 11 is a square structure, the outer part is a circular arc structure, the inner walls of the first limiting groove 5 and the second limiting groove 6 are provided with automatic limiting grooves 14 which are matched and clamped with the outer shape of the limiting piece 11, when in installation, firstly, the inner ring of the first gasket 2 is tightly attached to the outer wall of the bolt, then, the second gasket 3 is placed above the first gasket 2 and tightly attached to the outer wall of the bolt, then, the second limiting piece 7 and the second limiting groove 6 are aligned and inserted downwards in a sliding way, after the outer end of the limiting piece 11 on the outer wall of the second limiting piece 7 is tightly propped against the upper part of the inner wall of the second limiting groove 6, after downwards pressure acts on the outer part of the hemispherical limiting piece 11, partial component force pushing the limiting piece 11 into the limiting groove 12 is generated, after the limiting piece 11 is completely retracted into the limiting groove 12, the second limiting piece 7 is continuously inserted into the second limiting groove 6 until the limiting piece 11 moves to the automatic limiting grooves 14, due to the reset action of the compression spring 13, the outer end of the limiting piece 11 is popped out to be automatically clamped with the automatic limiting groove 14, so that the combination of the first gasket 2 and the second gasket 3 is completed, the anti-loosening effect of the gasket body 1 is further improved, and the first gasket 2 and the second gasket 3 are ensured not to be separated in the working process.

The embodiment of the present invention discloses a preferred embodiment, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention according to the above-mentioned embodiment, and make different applications and changes, but do not depart from the spirit of the present invention, all of which are within the protection scope of the present invention.

Claims (4)

1. A halving anti-loose gasket is characterized in that: the gasket comprises a gasket body, wherein the gasket body is of a circular structure formed by splicing a first gasket and a second gasket which are approximately semicircular, a first limiting block is arranged on the inner side of the front end of the first gasket, and a first limiting groove matched with the first limiting block in shape is arranged on the inner side of the front end of the second gasket; the inner side of the rear end part of the first gasket is provided with a second limiting groove, and the inner side of the rear end part of the second gasket is provided with a second limiting block matched with the second limiting groove in shape.

2. A split locking washer according to claim 1 wherein: the first limiting block comprises an L-shaped structure consisting of a first transition block and a first clamping block, the first clamping block is of a right-angle trapezoidal structure, the width of the first clamping block is gradually reduced from the front end to the rear end, and the rear end of the first clamping block is connected with the front end part of the first gasket through the first transition block; a first clamping groove is defined between the inner side wall of the first clamping block, the front wall of the first transition block and the front end face of the first gasket, the first clamping groove is in an isosceles trapezoid shape, the width of the first clamping groove is gradually reduced from the front end to the rear end, and a first clamping convex block matched with the first clamping groove is formed on the inner side of the front end face of the second gasket; the second stopper is "L" shape structure that comprises second transition piece and second joint block, second joint piece is the right trapezoid structure, and its width is crescent to the rear end by the front end, the front end of second joint piece pass through the second transition piece with the rear end tip of second gasket links to each other, enclose into the second draw-in groove between the inside wall of second joint piece, the rear wall of second transition piece and the rear end terminal surface of second gasket, the second draw-in groove is the isosceles trapezoid that the width is crescent to the rear end by the front end, the rear end terminal surface inboard of first gasket form with the second lug of the block that the second draw-in groove matches.

3. A split locking washer according to claim 2 wherein: the shape of first gasket and second gasket is the same, when first gasket and second gasket make up into the gasket body, first stopper and second stopper with the axle center central symmetry of gasket body sets up, first spacing groove and second spacing groove with the axle center central symmetry of gasket body sets up.

4. A split locking washer according to claim 3 wherein: the outer side walls of the first clamping block and the second clamping block are provided with automatic limiting mechanisms, each automatic limiting mechanism comprises a limiting part, a limiting groove and a plurality of compression springs, the limiting grooves are matched with the cross section shapes of the limiting parts and are arranged on the inner walls of the first clamping block and the second clamping block, the compression springs are arranged in the limiting grooves, one ends of the compression springs are fixed at the bottom of the inner wall of each limiting groove, the other ends of the compression springs are connected with the inner ends of the limiting parts, and the depth of each limiting groove is greater than the maximum height of the limiting part; the initial state length of the compression spring is smaller than the depth of the limiting groove; the interior of the limiting part is of a square structure, the exterior of the limiting part is of a circular arc structure, and automatic limiting grooves matched with the external shape of the limiting part in a clamping mode are arranged on the inner walls of the first limiting groove and the second limiting groove.

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