CN214309800U - Auxiliary device for testing screw holding force of plate - Google Patents
Auxiliary device for testing screw holding force of plate Download PDFInfo
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- CN214309800U CN214309800U CN202120410299.3U CN202120410299U CN214309800U CN 214309800 U CN214309800 U CN 214309800U CN 202120410299 U CN202120410299 U CN 202120410299U CN 214309800 U CN214309800 U CN 214309800U
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- long rod
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- positioning
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Abstract
The utility model discloses an auxiliary device that board holding screw power test was used belongs to holding screw power and detects and use appurtenance technical field. Stock both sides fixedly connected with two rather than the vertically quarter butt, before fixedly connected with on the lower terminal surface of stock, in with three stand after, three stand interval each other is the same, equal fixedly connected with stand in the tip below of two quarter butts, threaded hole has all been seted up between adjacent coexistence pole on the top surface of stock and quarter butt, equal screw thread screw in has the position sleeve that punches on the screw hole of left side quarter butt and the screw hole on half preceding stock, set up threaded hole at position sleeve top center that punches, screw thread screw in has the screw position sleeve on other two screw holes on stock and quarter butt, screw position sleeve top center has seted up the screw locating hole, set up the opening of moving back with screw locating hole intercommunication on the lateral wall of screw position sleeve and its below body of rod, its width is unanimous with the diameter of screw locating hole.
Description
Technical Field
The utility model relates to an auxiliary device of test of board holding screw power belongs to holding screw power and detects and use appurtenance technical field.
Background
The screw holding force test of the plate needs to use a universal mechanical testing machine, as shown in figures 8-9, an axial load is applied to a screw head screwed on a test piece through a special fixture for testing, the size of the plate test piece for testing is 75mm long and 50mm wide, the thickness of the plate test piece is not less than 15mm, the screw holding force of the plate surface and the plate edge can be directly measured, if the thickness of the test piece is less than 15mm, two or more test pieces can be glued into 1 piece, and the total thickness is larger than 15mm for testing. In the test process, a drill with the diameter of 2.7mm is required to be used for drilling a guide hole with the depth of 19mm, then a self-tapping screw of GB-845-ST 4.2X 38-C-H is used for screwing into the drill hole with the depth of 15mm, the drill hole and the screw are installed on a special fixture of a universal mechanical testing machine for testing, and the test requires that the guide hole and the screw are required to be vertical to a plate surface.
However, the punching process is manually operated, so that the guide hole and the screw are difficult to keep vertical to the plate surface, and once the guide hole and the screw are inclined, the test result is greatly influenced, so that an auxiliary workpiece is very needed to solve the problems.
SUMMERY OF THE UTILITY MODEL
In order to solve the deficiencies in the prior art, the utility model provides an auxiliary device that screw power test was held to panel is with, simple structure is small and exquisite, conveniently carries and deposits, and convenient to use can guarantee that guide hole and screw in the operation process keep perpendicular with the face, improves work efficiency.
The utility model provides a technical scheme that its technical problem adopted is: an auxiliary device for testing the screw holding force of a plate comprises a long rod, short rods, stand columns, a punching positioning sleeve, anti-skidding convex ribs, positioning nuts, screw positioning sleeves and positioning rings, wherein the front end and the middle part of the long rod are fixedly connected with the short rods perpendicular to the long rod, the short rods at the front end of the long rod face towards the left side, the short rods at the middle part of the long rod face towards the right side, the stand columns are fixedly connected on the lower end faces of the long rod in front of, in middle of and behind, the intervals among the three stand columns are the same, the stand columns are fixedly connected below the end parts of the two short rods, the top surface of the long rod is provided with screw holes between the two adjacent stand columns, the top surfaces of the short rods are provided with screw holes, the screw holes on the screw hole of the short rod on the left side and the screw hole on the long rod on the first half part are screwed with the punching positioning sleeves, the screw threads on the punching positioning sleeves are screwed with the positioning nuts, the positioning nuts are tightly pressed on the top surfaces of the long rod and the short rods, the center of the top of the punching positioning sleeve is provided with a threaded hole, the periphery of the top of the punching positioning sleeve is fixedly connected with anti-skidding convex edges, the other two threaded holes on the long rod and the short rod are screwed in by screw threads to form screw positioning sleeves, the side wall of each screw positioning sleeve is fixedly connected with a positioning ring tightly pressed on the top surfaces of the long rod and the short rod, the center of the top of each screw positioning sleeve is provided with a screw positioning hole, the periphery of each screw positioning sleeve is fixedly connected with anti-skidding convex edges, the side wall of each screw positioning sleeve is provided with a nail withdrawing opening communicated with the screw positioning hole, the width of each nail withdrawing opening is consistent with the diameter of the corresponding screw positioning hole, and the through sample on the side wall of the long rod and the short rod below the screw positioning sleeve is provided with a nail withdrawing opening communicated with the corresponding screw positioning hole.
Furthermore, the diameter of the screw positioning hole is 4.2mm, and the distance between the top surface of the screw positioning sleeve and the bottom surfaces of the long rod and the short rod is 23 mm.
Furthermore, the diameter of the drill positioning hole is 2.7mm, the drill for drilling is a 2.7mm drill, a positioning sleeve is fixed on the drill through a jackscrew, the distance from the positioning sleeve to the end part of the drill is 38mm, and the distance from the top surface of the drill positioning sleeve to the bottom surfaces of the long rod and the short rod is 19 mm.
Furthermore, the distance between the upright posts below the long rod is larger than 50mm, and the distance between the upright posts below the short rod is larger than 15 mm.
When in use, the plate surface of the plate test piece is placed between two vertical columns below a punching positioning sleeve on a long rod, the axis of the punching positioning sleeve above the plate test piece is taken as the center of a circle, the long rod is rotated to enable the two vertical columns below the punching positioning sleeve to clamp the plate test piece, a drill bit for installing the positioning sleeve is inserted into a drill bit positioning hole to punch, the drill bit positioning hole is positioned on the plate surface central line of the plate test piece at the moment and is vertical to the plate test piece to ensure that the hole position is vertical and the depth is consistent, the punching is finished, the plate surface of the plate test piece is placed between the two vertical columns below a screw positioning sleeve on the long rod, the axis of the screw positioning sleeve above the plate test piece is taken as the center of a circle, the long rod is rotated to enable the two vertical columns below the plate test piece to clamp the plate test piece, a screw is inserted into the screw positioning sleeve, and the screw is screwed, the screw positioning sleeve is positioned on the plate surface central line of the plate test piece at the moment and is vertical to the plate test piece to ensure the vertical, and the screwing depth is consistent, and the screw can be screwed out through the nail-removing notch. When panel test piece side punches, through the coexistence post in quarter butt below operate according to above-mentioned operation mode can, alright detect after the operation is accomplished.
The utility model has the advantages that: the problem of test piece guide hole and screw be difficult for keeping the vertically with the face when panel holding screw power test is solved, an auxiliary device for panel holding screw power test is provided, simple structure is small and exquisite, conveniently carries and deposits, and convenient to use can guarantee that guide hole and screw in the operation process keep perpendicularly with the face, improves work efficiency.
Drawings
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the present invention when punching the end face of the plate.
Fig. 3 is a schematic view of a part of the structure of the present invention.
Fig. 4 is an exploded view of the structure of the present invention.
Fig. 5 is a schematic structural view of the present invention when screwing the screw on the end face of the plate.
Fig. 6 is a schematic structural view of the present invention used for punching on the side of the plate.
Fig. 7 is a schematic structural diagram of the present invention for screwing the screw on the side of the plate.
Fig. 8 is a schematic structural diagram of a plate sample when the screw holding force test is performed.
Fig. 9 is a schematic structural diagram of a plate sample when the screw holding force test is performed.
Reference numbers in the figures:
1. the device comprises a plate test piece, 2, screws, 3, a test fixture, 4, a long rod, 5, a short rod, 6, a stand column, 7, a threaded hole, 8, a punching positioning sleeve, 9, a drill bit positioning hole, 10, an anti-skid convex rib, 11, a positioning nut, 12, a screw positioning sleeve, 13, a screw positioning hole, 14, a nail removing notch, 15 and a positioning ring.
Detailed Description
As shown in figures 1-9, an auxiliary device for testing the screw holding force of a plate comprises a long rod 4, a short rod 5, upright posts 6, a punching positioning sleeve 8, an anti-skid flange 10, a positioning nut 11, a screw positioning sleeve 12 and a positioning ring 15, wherein the front end and the middle part of the long rod 4 are fixedly connected with the short rod 5 vertical to the long rod 4, the short rod 5 at the front end of the long rod 4 faces to the left side, the short rod 5 at the middle part of the long rod faces to the right side, the upright posts 6 are fixedly connected to the front, middle and rear lower end faces of the long rod 4, the intervals among the three upright posts 6 are the same, the upright posts 6 are fixedly connected below the end parts of the two short rods 5, threaded holes 7 are formed between the two adjacent upright posts 6 on the top face of the long rod 4, the threaded holes 7 are formed on the top faces of the short rods 5, the threaded holes 7 of the left short rod 5 and the threaded holes 7 on the front half long rod 4 are screwed with the punching positioning sleeve 7, a positioning nut 11 is screwed in the thread on the punching positioning sleeve 7, the positioning nut 11 is tightly pressed on the top surfaces of the long rod 4 and the short rod 5 by the thread, a threaded hole 7 is arranged at the center of the top of the punching positioning sleeve 7, anti-skid convex ridges 10 are fixedly connected around the top of the punching positioning sleeve 7, screw positioning sleeves 12 are screwed in the thread on the other two threaded holes 7 on the long rod 4 and the short rod 5, positioning rings 15 tightly pressed on the top surfaces of the long rod 4 and the short rod 5 are fixedly connected with the side walls of the screw positioning sleeves 12, a screw positioning hole 13 is arranged at the center of the top of the screw positioning sleeve 12, anti-skid convex ridges 11 are fixedly connected around the top of the screw positioning sleeve 12, screw withdrawing openings 14 communicated with the screw positioning holes 13 are arranged on the side walls of the screw positioning sleeves 12, the width of the screw withdrawing openings 14 is consistent with the diameter of the screw positioning holes 13, screw withdrawing openings 14 communicated with the screw positioning holes 13 are arranged on the side walls of the long rod 4 and the short rod 5 below the screw positioning sleeve 12 in a communicating manner, the width of which is consistent with the diameter of the screw positioning hole 13.
Furthermore, the diameter of the screw positioning hole 13 is 4.2mm, and the distance between the top surface of the screw positioning sleeve 12 and the bottom surfaces of the long rod 4 and the short rod 5 is 23 mm.
Furthermore, the diameter of the drill positioning hole 9 is 2.7mm, the drill for drilling is a 2.7mm drill, a positioning sleeve is fixed on the drill through a jackscrew, the distance from the positioning sleeve to the end part of the drill is 38mm, and the distance from the top surface of the drill positioning sleeve 8 to the bottom surfaces of the long rod 4 and the short rod 5 is 19 mm.
Furthermore, the distance between the upright posts 6 below the long rod 4 is larger than 50mm, and the distance between the upright posts 6 below the short rod 5 is larger than 15 mm.
When in use, the plate surface of the plate test piece 1 is placed between two upright posts 6 below a punching positioning sleeve 8 on a long rod 4, the long rod 4 is rotated by taking the axis of the punching positioning sleeve 8 above the plate test piece 1 as the center of a circle, the two upright posts 6 below the punching positioning sleeve 8 clamp the plate test piece 1, a drill bit for installing the positioning sleeve is inserted into a drill bit positioning hole 13 for punching, the drill bit positioning hole 13 is positioned on the plate surface center line of the plate test piece 1 at the moment and is vertical to the plate test piece 1 to ensure that the hole position is vertical and the depth is consistent, the punching is finished, the plate surface of the plate test piece 1 is placed on the long rod 4 between the two upright posts 6 below a screw positioning sleeve 12, the long rod 4 is rotated by taking the axis of the screw positioning sleeve 12 above the plate test piece 1 as the center of a circle, the two upright posts 6 below the long rod 4 clamp the plate test piece 1, a screw 2 is inserted into the screw positioning sleeve 12, the screw is screwed, the screw positioning sleeve 12 is positioned on the plate surface center line of the plate test piece 1 at the moment, and the screw is kept vertical to the plate test piece 1, so that the hole positions are ensured to be vertical, the screwing depth is consistent, and the screw can be withdrawn through the nail withdrawal notch 14 after screwing is finished. When punching is carried out to 1 side of panel test piece, through two stands 6 of 5 below of quarter butt 5 operate according to above-mentioned operation mode can, alright detect after the operation is accomplished.
Claims (4)
1. The utility model provides an auxiliary device that board holding screw power test was used which characterized in that: comprises a long rod, a short rod, upright posts, a punching positioning sleeve, anti-skid convex ribs, positioning nuts, a screw positioning sleeve and a positioning ring, wherein the front end and the middle part of the long rod are fixedly connected with the short rod vertical to the long rod, the short rod at the front end of the long rod faces to the left side, the short rod at the middle part of the long rod faces to the right side, the upright posts are fixedly connected on the lower end surfaces of the front part, the middle part and the back part of the long rod respectively, the distance between the three upright posts is the same, the upright posts are fixedly connected below the end parts of the two short rods, the threaded holes are formed between the two adjacent upright posts on the top surface of the long rod, the two adjacent upright posts are respectively provided with a threaded hole, the threaded holes on the threaded hole of the short rod at the left side and the threaded hole on the front half part of the long rod are respectively screwed with a punching positioning sleeve, the positioning nuts are screwed in the threaded holes on the positioning sleeves, the positioning nuts are tightly pressed on the top surfaces of the long rod and the short rod, the center of the top parts of the punching positioning sleeves is provided with a threaded hole, the anti-skidding convex edge of the fixedly connected with all around of the top of the punching positioning sleeve, the screw thread screwed in on the other two screw holes on the long rod and the short rod is provided with a screw positioning sleeve, the side wall of the screw positioning sleeve is fixedly connected with a positioning ring which is tightly pressed on the top surfaces of the long rod and the short rod, the center of the top of the screw positioning sleeve is provided with a screw positioning hole, the anti-skidding convex edge of the fixedly connected with all around of the top of the screw positioning sleeve is provided with a nail withdrawing opening communicated with the screw positioning hole on the side wall of the screw positioning sleeve, the width of the nail withdrawing opening is consistent with the diameter of the screw positioning hole, the nail withdrawing opening communicated with the screw positioning hole is provided on the long rod and the short rod side wall below the screw positioning sleeve in a communicating mode, and the width of the nail withdrawing opening is consistent with the diameter of the screw positioning hole.
2. The auxiliary device for the board screw-holding force test according to claim 1, wherein: the diameter of the screw positioning hole is 4.2mm, and the distance between the top surface of the screw positioning sleeve and the bottom surfaces of the long rod and the short rod is 23 mm.
3. The auxiliary device for the board screw-holding force test according to claim 1, wherein: the diameter of the drill bit positioning hole is 2.7mm, the drill bit for punching is a 2.7mm drill bit, a positioning sleeve is fixed on the drill bit through a jackscrew, the distance from the positioning sleeve to the end part of the drill bit is 38mm, and the distance from the top surface of the drill bit positioning sleeve to the bottom surfaces of the long rod and the short rod is 19 mm.
4. The auxiliary device for the board screw-holding force test according to claim 1, wherein: the distance between the upright posts below the long rod is more than 50mm, and the distance between the upright posts below the short rod is more than 15 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120410299.3U CN214309800U (en) | 2021-02-25 | 2021-02-25 | Auxiliary device for testing screw holding force of plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120410299.3U CN214309800U (en) | 2021-02-25 | 2021-02-25 | Auxiliary device for testing screw holding force of plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214309800U true CN214309800U (en) | 2021-09-28 |
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ID=77834900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120410299.3U Active CN214309800U (en) | 2021-02-25 | 2021-02-25 | Auxiliary device for testing screw holding force of plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214309800U (en) |
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2021
- 2021-02-25 CN CN202120410299.3U patent/CN214309800U/en active Active
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