O-shaped ring assembling jig

Abstract

The utility model discloses an O-shaped ring assembling jig which comprises a top plate, a middle plate and a bottom plate, upper via holes are distributed in the two sides of the middle plate, lower via holes are distributed in the two sides of the bottom plate, a support profiling containing groove is formed in the middle of the bottom plate, the two ends of the support profiling containing groove are aligned with the lower via holes, and O-shaped ring containing grooves are formed in the upper ends of the lower via holes. An O-shaped ring is placed on the O-shaped ring placing groove, four claws on the inner side of the O-shaped ring face downwards, a metal support is placed on the support profiling placing groove, the two ends of the metal support are pressed on the O-shaped ring, the bottom plate is covered with the middle plate, a stud is placed in the upper via hole, a spring is sleeved on the stud, the lower end of the stud penetrates through the metal support and the O-shaped ring, and the top plate is pressed on the middle plate from top to bottom. According to the O-shaped ring assembling jig, the top plate moves downwards, the spring and the stud located on the middle plate are pressed downwards, the O-shaped ring is riveted to the stud, the metal support, the spring and the stud form an integrated structure, a special sleeve and a single piece assembling mode in traditional assembling are omitted, the production efficiency is improved, and the O-shaped ring assembling jig has certain popularization value.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of assembly fixture, especially an O -ring assembly fixture. BACKGROUND

[0002] Traditional O -ring assembly adopts special sleeve, places O -ring, single metal support is placed, and the assembly is completed by the bolt with spring being pressed down, and the working efficiency is low, which is not conducive to batch production. INNOVATION CONTENT

[0003] One purpose of the utility model is to provide an O -ring assembly fixture, which uses fixture instead of traditional sleeve single assembly to improve efficiency.

[0004] To achieve this purpose, the utility model adopts the following technical scheme:

[0005] An O -ring assembly fixture, including top plate, middle plate and bottom plate, the both sides of the middle plate are distributed with upper via, the both sides of the bottom plate are distributed with lower via, the middle part of the bottom plate is provided with support profiled placement groove, the both ends of the support profiled placement groove are aligned with the lower via, the upper end of the lower via is provided with O -ring placement groove, the O -ring placement groove is placed with O -ring, the inside four claws of the O -ring are downward, the support profiled placement groove is placed with metal support, the both ends of the metal support are pressed on the O -ring, the middle plate covers the bottom plate, the upper via is placed with bolt, the bolt is provided with spring, the lower end of the bolt passes through the metal support and the O -ring, the top plate is pressed on the middle plate from top to bottom.

[0006] As a preferred technical scheme, the middle plate is provided with positioning hole, the bottom plate is provided with positioning column, the positioning hole and the positioning column are diagonally distributed, and the positioning column is inserted into the positioning hole along the vertical direction.

[0007] As a preferred technical scheme, the upper end of the metal support is provided with reinforcing convex.

[0008] As a preferred technical scheme, the lower end of the top plate is provided with column, and the column is inserted into the upper via from top to bottom and is pressed on the bolt.

[0009] As a preferred technical scheme, the left side of the bottom plate, the right side of the bottom plate and the back side of the bottom plate are provided with limit stopper.

[0010] The O-shaped ring assembly jig has the beneficial effects that: the O-shaped ring assembly jig is capable of lowering the top plate downwards, pressing the spring and the stud on the middle plate downwards, riveting the O-shaped ring to the stud, forming an integrated structure of the metal support, the spring and the stud, saving the special sleeve and the single-piece assembly mode of traditional assembly, improving the production efficiency, and having certain popularization value. BRIEF DESCRIPTION OF DRAWINGS

[0011] The utility model will be further explained in detail in the basis of drawings and embodiments.

[0012] Figure 1 It is a first explosion map (with product) of the O-shaped ring assembly jig described by the embodiment.

[0013] Figure 2 It is a second explosion map (without product) of the O-shaped ring assembly jig described by the embodiment.

[0014] Figure 3 It is a sectional view of the O-shaped ring assembly jig described by the embodiment.

[0015] Figure 4 It is a forming structure diagram of the product described by the embodiment.

[0016] Figures 1 to 4 In the middle:

[0017] 1, top plate, 2, middle plate, 3, bottom plate, 4, upper via, 5, lower via, 6, support profiled placing groove, 7, O-shaped ring placing groove, 8, O-shaped ring, 9, metal support, 10, stud, 11, spring, 12, positioning hole, 13, positioning column, 14, reinforcing convex, 15, column. PREFERRED EMBODIMENT

[0018] The technical scheme of the utility model will be further explained in the basis of drawings and through specific embodiments.

[0019] As Figures 1 to 4 shown, in the embodiment, an O-shaped ring assembly jig includes a top plate 1, a middle plate 2 and a bottom plate 3, the middle plate 2 is distributed with upper vias 4 on both sides, the bottom plate 3 is distributed with lower vias 5 on both sides, the middle part of the bottom plate 3 is provided with a support profiled placing groove 6, the both ends of the support profiled placing groove 6 are aligned with the lower vias 5, the upper end of the lower via 5 is provided with an O-shaped ring placing groove 7, the O-shaped ring placing groove 7 is placed with an O-shaped ring 8, the inside four claws of the O-shaped ring 8 are downward, the support profiled placing groove 6 is placed with a metal support 9, the both ends of the metal support 9 are pressed on the O-shaped ring 8, the middle plate 2 covers the bottom plate 3, the upper via 4 is placed with a stud 10, the stud 10 is sleeved with a spring 11, the lower end of the stud 10 passes through the metal support 9 and the O-shaped ring 8, and the top plate 1 is pressed on the middle plate 2 from top to bottom.

[0020] The top plate 1 is installed on the upper die plate of the machine table, placed on the bottom plate 3, and then the middle plate 2 and the bottom plate 3 are combined together and placed on the workbench of the machine table. After adjusting the position, the top plate 1 moves downward with the upper die plate, the stud 10 in the middle plate 2 is controlled to move downward, the spring 11 is pressed on the O-shaped ring 8, and the O-shaped ring 8 is riveted on the stud 10 after the stud 10 passes through the O-shaped ring 8.

[0021] More specifically, the middle plate 2 is provided with positioning holes 12, and the bottom plate 3 is provided with positioning columns 13. The positioning holes 12 and the positioning columns 13 are diagonally distributed, the positioning columns 13 are inserted into the positioning holes 12 along the vertical direction, the upper end of the metal support 9 is provided with a reinforcing convex 14, the lower end of the top plate 1 is provided with a stud 15, the stud 15 is inserted into the upper through hole 4 from top to bottom and is pressed on the stud 10, and the left side of the bottom plate 3, the right side of the bottom plate 3 and the back side of the bottom plate 3 are all provided with limiting stoppers. First, jig positioning is needed, the top plate 1 is fixed on the upper die plate of the machine table, the middle part is aligned with the positioning column 13 of the bottom plate 3 through the diagonal positioning hole 12, and the stud 15 is inserted into the upper through hole 4 of the middle plate 2 when the upper die plate of the machine table moves downward. The limiting stoppers on the left side, the right side and the back side of the bottom plate 3 block and fix on the workbench.

[0022] In the operation sequence, the eight O-shaped rings 8 are placed into the O-shaped ring placing groove 7 of the bottom plate 3 with the four claws downward, then the four metal supports 9 are placed on the support profiled placing groove 6 with the reinforcing convex 14 upward, then the middle plate 2 is lowered under the action of the diagonal positioning column 13, the positioning column 13 cooperates with the positioning hole 12, the middle plate 2 presses the metal support 9 and the O-shaped ring 8, eight springs 11 are placed into the upper through hole 4 of the middle plate 2, and the other eight studs 10 are placed into the upper through hole 4 with the cross head upward. At this time, the lower end of the stud 10 passes through the spring 11, the combination of the middle plate 2 and the bottom plate 3 is moved to the workbench, and the left and right are blocked by the limiting stoppers. From front to back, slide into the working position, stop at the rear limiting stopper, then the upper die plate of the machine table moves downward, drives the top plate 1 to be flush with the middle plate 2, the eight studs 15 on the top plate 1 are inserted into the upper through hole 4 of the middle plate 2, the stud 15 presses the stud 10 downward by 10 mm, then the top plate 1 is lifted, the combination of the middle plate 2 and the bottom plate 3 slides forward, the riveting completed product can be taken out by opening the middle plate 2, and the operation can be completed by checking the four claws of the O-shaped ring 8 in the stepped groove of the stud 10. The above operation can be repeated.

[0023] It should be stated that the above specific embodiments are only the preferred embodiments of the present application and the technical principles applied, and any changes or replacements easily thought by those skilled in the art within the technical range disclosed by the present application should be covered within the protection range of the present application.

Claims

1. An O-ring assembly fixture, characterized in that, The device includes a top plate, a middle plate, and a bottom plate. The middle plate has upper through holes on both sides, and the bottom plate has lower through holes on both sides. A bracket-shaped placement groove is located in the middle of the bottom plate, with both ends of the groove aligned with the lower through holes. An O-ring placement groove is located at the upper end of the lower through holes, and an O-ring is placed in the groove with its inner four claws facing downwards. A metal bracket is placed in the bracket-shaped placement groove, with both ends pressing against the O-ring. The middle plate covers the bottom plate. A stud is placed in the upper through hole, and a spring is fitted onto the stud. The lower end of the stud passes through the metal bracket and the O-ring. The top plate presses down on the middle plate from top to bottom.

2. The O-ring assembly fixture according to claim 1, characterized in that, The middle plate is provided with positioning holes, and the bottom plate is provided with positioning posts. The positioning holes and the positioning posts are diagonally distributed, and the positioning posts are inserted into the positioning holes in a vertical direction.

3. The O-ring assembly fixture according to claim 1, characterized in that, The upper end of the metal bracket is provided with a reinforcing protrusion.

4. The O-ring assembly fixture according to claim 1, characterized in that, A column is provided at the lower end of the top plate. The column is inserted into the upper through hole from top to bottom and pressed onto the stud.

5. An O-ring assembly fixture according to claim 4, characterized in that, Limiting blocks are provided on the left side, the right side, and the rear side of the base plate.

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