CN216044886U - Stable self tapping screw who closes soon - Google Patents
Stable self tapping screw who closes soon Download PDFInfo
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- CN216044886U CN216044886U CN202121540185.7U CN202121540185U CN216044886U CN 216044886 U CN216044886 U CN 216044886U CN 202121540185 U CN202121540185 U CN 202121540185U CN 216044886 U CN216044886 U CN 216044886U
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Abstract
The utility model discloses a stable screwing self-tapping screw, which adopts the technical scheme that: the screw rod fixing device comprises a screw rod, a screw cap and a screw thread, wherein a first cavity is formed in the bottom of the screw cap, a second cavity is formed in the top of the screw rod, the top end of the screw rod extends into the first cavity, a connecting rod is fixedly connected inside the first cavity and is located inside the second cavity, fixing mechanisms are arranged on two sides of the screw rod, and the fixing mechanisms are connected with plates: two bull sticks rotate and just can make two fixture blocks take out from the draw-in groove is inside, just so can make nut and screw rod separate, just so can change the nut that damages, then press the ejector pad once more and just can link together new nut and screw rod, just so need not change nut and screw rod are whole, can make screw rod reuse, just so can not appear the phenomenon of extravagant material, just can accord with energy-concerving and environment-protective theory.
Description
Technical Field
The utility model relates to the technical field of screws, in particular to a self-tapping screw capable of being screwed stably.
Background
The self-tapping screw is generally pointed, coarse, hard wood screw, aluminum alloy and plastic, is used for nonmetal or soft metal, and does not need to be provided with a bottom hole and tapped; the self-tapping screw is pointed, so that self-tapping can be realized; ordinary screw all is the crew cut, and thickness is unanimous, and self tapping screw is that: the hole drilled is a hole without tapping, the used screw is different from the general screw, the head is sharp, the pitch is larger, the method is similar to a chipless screw tap, and the screw can be directly screwed in without tapping, and the metal and the plastic usually use the method, and the method can tap, drill, extrude and press corresponding threads on a solidified material by the threads of the solidified material, so that the solidified material is tightly matched with the threads.
The prior art has the following defects: the existing self-tapping screw can be screwed down only by rotating the inside of the slot opening by a screwdriver when in use, and the phenomenon of sliding and rotating inside the slot opening can occur when the screw is screwed down, so that the wall of the slot opening is cracked, the self-tapping screw cannot be used continuously and is thrown away, the material waste is caused, and the material waste does not accord with the energy-saving and environment-friendly concept.
Therefore, it is necessary to provide a self-tapping screw which can be screwed stably.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a stably screwed self-tapping screw, which solves the problems that the existing self-tapping screw can be screwed only by rotating a screwdriver in a slot when in use, and the phenomenon of sliding and rotating in the slot can occur when in screwing, so that the wall of the slot cracks, the self-tapping screw cannot be used continuously and is thrown away, the material waste is caused, and the material waste does not accord with the energy-saving and environment-friendly concept.
In order to achieve the above purpose, the utility model provides the following technical scheme: a stably screwed self-tapping screw comprises a screw rod, a screw cap and threads, wherein a first cavity is formed in the bottom of the screw cap, a second cavity is formed in the top of the screw rod, the top end of the threaded rod extends into the first cavity, a connecting rod is fixedly connected inside the first cavity and located inside the second cavity, and fixing mechanisms are arranged on two sides of the screw rod;
the fixed establishment connecting plate, connecting rod top and bottom difference fixed connection are in connecting rod bottom and cavity bottom, the through-hole has been seted up to the connecting plate inside, cavity one inside inlays and is equipped with two pivot one, two a pivot outside equal fixed cover is equipped with the gear, two a pivot outside equal fixed cover is equipped with the bull stick, the bull stick is located the gear front side, two the equal fixedly connected with fixture block in bull stick one side, two draw-in grooves have been seted up to screw rod one side, two the fixture block inlay respectively establish inside and with the draw-in groove phase-match two draw-in grooves.
Preferably, two springs I are arranged inside the rotating rod and the connecting plate, one spring I positioned on one side of one rotating rod is connected with one rotating rod and the connecting plate through rotating shafts respectively, and one spring I positioned on one side of the other rotating rod is connected with the other rotating rod and the connecting plate through rotating shafts respectively.
Preferably, a joining block is arranged inside the cavity I, the front end and the rear end of the joining block are respectively and fixedly connected to the front side and the rear side of the cavity I, the joining block is located on the inner side of the two gears, toothed plates are arranged at the top and the bottom of the joining block, and the gears are respectively embedded inside the two toothed plates and meshed with the toothed plates.
Preferably, two equal fixedly connected with slider in pinion rack inboard, the spout has all been seted up with the bottom to the linking piece top, two the slider inlays respectively to be established inside two spouts and with the spout phase-match.
Preferably, two pinion rack one side fixedly connected with push rods, nut one side is seted up flutedly, push rod one end extends to inside the recess, push rod one end is equipped with the pressing part.
Preferably, the other side of the push rod is fixedly connected with a second spring, the second spring is located on the inner sides of the two toothed plates, and one end of the second spring is fixedly connected to one side of the connecting block.
Preferably, the first rotating shaft is connected with the nut through a bearing.
Preferably, two pinion rack one end all extends to inside the through-hole, the nut top is equipped with the slot seam.
Preferably, the pressing component comprises a push block, the push block is fixedly connected to one end of the push rod, and the cross section of the push block is rectangular.
Preferably, the pressing component comprises a push block, the push block is fixedly connected to one end of the push rod, and the cross section of the push block is circular.
The utility model has the beneficial effects that:
according to the utility model, when the self-tapping screw is screwed down, the push block can be pressed when the self-tapping screw slides in the slot, the push rod can be moved by pressing the push block, the two toothed plates can be moved by moving the push rod, because the two toothed plates are meshed with the two gears, the two gears can be rotated when the toothed plates move, the two rotating shafts can be rotated by the two gears, the two rotating shafts drive the two rotating rods to rotate by rotating, the two rotating rods can be rotated to take out the two clamping blocks from the clamping grooves, so that the nut and the screw rod can be separated, the damaged nut can be replaced, and then the new nut and the screw rod can be connected together by pressing the push block again, so that the nut and the screw rod do not need to be replaced completely, the screw rod can be recycled, and the phenomenon of material waste can not occur, the method can accord with the concept of energy conservation and environmental protection.
Drawings
FIG. 1 is a schematic view of the overall structure provided by the present invention;
FIG. 2 is an enlarged view taken at A of FIG. 1 according to the present invention;
FIG. 3 is a front view cross-section view provided by the present invention;
FIG. 4 is an enlarged view of the utility model at B of FIG. 3;
FIG. 5 is a schematic view of the overall structure of embodiment 2 of the present invention;
FIG. 6 is an enlarged view at C of FIG. 5 in accordance with the present invention;
in the figure: 1 screw rod, 2 screw caps, 3 threads, 4 connecting rods, 5 connecting plates, 6 through holes, 7 rotating shafts I, 8 gears, 9 rotating rods, 10 clamping blocks, 11 springs I, 12 connecting blocks, 13 toothed plates, 14 sliding blocks, 15 push rods, 16 springs II, 17 slots and 18 push blocks.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Embodiment 1, with reference to fig. 1 to 4, the stably screwed self-tapping screw provided by the utility model comprises a screw rod 1, a screw cap 2 and a thread 3, wherein a first cavity is formed at the bottom of the screw cap 2, a second cavity is formed at the top of the screw rod 1, the top end of the thread 3 extends into the first cavity, a connecting rod 4 is fixedly connected inside the first cavity, the connecting rod 4 is located inside the second cavity, and fixing mechanisms are arranged on two sides of the screw rod 1;
the fixed establishment connecting plate 5, 4 tops of connecting rod and bottom difference fixed connection are in 4 bottoms of connecting rod and a cavity bottom, the inside through-hole 6 of having seted up of connecting plate 5, a cavity is inside to inlay and is equipped with two pivot 7, two the equal fixed cover in 7 outsides of pivot is equipped with gear 8, two the equal fixed cover in 7 outsides of pivot is equipped with bull stick 9, bull stick 9 is located gear 8 front side, two the equal fixedly connected with fixture block 10 in bull stick 9 one side, two draw-in grooves have been seted up to 1 one side of screw rod, two fixture block 10 inlay respectively establish inside two draw-in grooves and with the draw-in groove phase-match.
Furthermore, two springs I11 are arranged inside the two rotating rods 9 and the connecting plate 5, the two springs I11 positioned on one side of one rotating rod 9 are respectively connected with one rotating rod 9 and the connecting plate 5 through rotating shafts, the two springs I11 positioned on one side of the other rotating rod 9 are respectively connected with the other rotating rod 9 and the connecting plate 5 through rotating shafts, and the connection between the nut 2 and the screw rod 1 can be more stable through the springs I11;
furthermore, a connecting block 12 is arranged in the first cavity, the front end and the rear end of the connecting block 12 are respectively and fixedly connected to the front side and the rear side of the first cavity, the connecting block 12 is located inside the two gears 8, toothed plates 13 are arranged at the top and the bottom of the connecting block 12, the two gears 8 are respectively embedded in the two toothed plates 13 and meshed with the toothed plates 13, and the two gears 8 can be rotated by the meshing of the gears 8 and the toothed plates 13;
further, the inner sides of the two toothed plates 13 are fixedly connected with sliding blocks 14, sliding grooves are formed in the top and the bottom of the connecting block 12, the two sliding blocks 14 are embedded in the two sliding grooves and matched with the sliding grooves, and the sliding blocks 14 can enable the toothed plates 13 to be more stable during movement;
further, push rods 15 are fixedly connected to one sides of the two toothed plates 13, grooves are formed in one sides of the nuts 2, one ends of the push rods 15 extend into the grooves, and pressing parts are arranged at one ends of the push rods 15;
further, the other side of the push rod 15 is fixedly connected with a second spring 16, the second spring 16 is located inside the two toothed plates 13, one end of the second spring 16 is fixedly connected to one side of the joining block 12, and the connection between the nut 2 and the screw rod 1 can be more stable through the second spring 16;
furthermore, the first rotating shaft 7 is connected with the nut 2 through a bearing, and the abrasion can be reduced through the connection of the bearing;
further, one end of each of the two toothed plates 13 extends into the through hole 6, and the top of the nut 2 is provided with a slot 17;
further, the pressing component comprises a pushing block 18, the pushing block 18 is fixedly connected to one end of the pushing rod 15, the section of the pushing block 18 is rectangular, the pushing rod 15 can be moved by pressing the pushing block 18, the second spring 16 can be compressed by moving the pushing rod 15, and the two toothed plates 13 can be moved by moving the pushing rod 15.
The using process of the utility model is as follows: when the self-tapping screw is screwed down, the push block 18 can be pressed when the self-tapping screw slides in the slot 17, the push rod 15 can be moved by pressing the push block 18, the second spring 16 can be compressed by moving the push rod 15, the two toothed plates 13 can be moved by moving the push rod 15, the first spring 11 can be compressed by rotating the toothed plates 13 because the two toothed plates 13 are meshed with the two gears 8, the two gears 8 can be rotated when the toothed plates 13 are moved, the first rotating shafts 7 can be rotated by rotating the two gears 8, the first rotating shafts 7 can drive the two rotating rods 9 to rotate, the first spring 11 can be compressed, the two rotating rods 9 can be rotated to take the two clamping blocks 10 out of the clamping slots, so that the screw cap 2 can be separated from the screw rod 1, the damaged screw cap 2 can be replaced, and then a new screw cap 2 can be connected with the screw rod 1 by pressing the push block 18 again, the screw cap 2 and the screw rod 1 can be connected more stably through the first spring 11 and the second spring 16, relative sliding between the screw cap 2 and the screw rod 1 can not occur under the action of the connecting rod 4 when the self-tapping screw is twisted, so that the screw cap 2 and the screw rod 1 do not need to be completely replaced, the screw rod 1 can be repeatedly utilized, the phenomenon of material waste can not occur, and the idea of energy conservation and environmental protection can be met.
The using process of the utility model is as follows: when the self-tapping screw is screwed down, the pushing block 18 can be pressed when the self-tapping screw slides in the slot 17, the pushing block 18 can be pressed to enable the pushing rod 15 to move, the pushing rod 15 can enable the second spring 16 to be compressed when the pushing rod 15 moves, the pushing rod 15 can enable the two toothed plates 13 to move when the pushing rod 15 moves, the two toothed plates 13 are meshed with the two gears 8, the two gears 8 can enable the two gears 8 to rotate when the toothed plates 13 move, the two rotating shafts I7 can enable the two rotating shafts I7 to rotate, and the two rotating shafts I7 drive the two rotating rods 9 to rotate, so that the first spring 11 can be compressed.
The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solution described above. Therefore, any simple modifications or equivalent substitutions made in accordance with the technical solution of the present invention are within the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a stabilize self tapping screw of screwing in, includes screw rod (1), nut (2) and screw thread (3), its characterized in that: the bottom of the nut (2) is provided with a first cavity, the top of the screw rod (1) is provided with a second cavity, the top end of the screw thread (3) rod extends into the first cavity, a connecting rod (4) is fixedly connected inside the first cavity, the connecting rod (4) is located inside the second cavity, and two sides of the screw rod (1) are respectively provided with a fixing mechanism;
fixed establishment connecting plate (5), fixed connection is in connecting rod (4) bottom and cavity bottom respectively on connecting rod (4) top and bottom, through-hole (6) have been seted up to connecting plate (5) inside, cavity one inside inlays and is equipped with two pivot (7), two the equal fixed cover in pivot (7) outside is equipped with gear (8), two the equal fixed cover in pivot (7) outside is equipped with bull stick (9), bull stick (9) are located gear (8) front side, two the equal fixedly connected with fixture block (10) in bull stick (9) one side, two draw-in grooves have been seted up to screw rod (1) one side, two fixture block (10) inlay respectively establish inside two draw-in grooves and with the draw-in groove phase-match.
2. A thread forming screw of claim 1, wherein: two bull stick (9) all are equipped with two spring (11) with connecting plate (5) inside, are located two of one of them bull stick (9) one side spring (11) all are connected through the pivot rather than one of them bull stick (9) and connecting plate (5) respectively, are located two of another bull stick (9) one side spring (11) all are connected through the pivot with another bull stick (9) and connecting plate (5) respectively.
3. A thread forming screw of claim 1, wherein: one inside linking block (12) that is equipped with of cavity, link up block (12) front end and rear end fixed connection respectively at one front side of cavity and rear side, it is inboard that linking block (12) are located two gears (8), it all is equipped with pinion rack (13) with the bottom to link up block (12) top, two pinion rack (8) inlay respectively and establish inside and mesh mutually with pinion rack (13) two pinion rack (13).
4. A thread forming screw of claim 3, wherein: two equal fixedly connected with slider (14) in pinion rack (13) inboard, link up the spout has all been seted up with the bottom in piece (12) top, two slider (14) inlay respectively establish inside and with the spout phase-match at two spouts.
5. A thread forming screw of claim 3, wherein: two pinion rack (13) one side fixedly connected with push rod (15), the recess has been seted up to nut (2) one side, push rod (15) one end extends to inside the recess, push rod (15) one end is equipped with the pressing part.
6. A thread forming screw of claim 5, wherein: the other side of the push rod (15) is fixedly connected with a second spring (16), the second spring (16) is located on the inner sides of the two toothed plates (13), and one end of the second spring (16) is fixedly connected to one side of the connecting block (12).
7. A thread forming screw of claim 1, wherein: the first rotating shaft (7) is connected with the nut (2) through a bearing.
8. A thread forming screw of claim 3, wherein: two pinion rack (13) one end all extends to inside through-hole (6), nut (2) top is equipped with slot (17).
9. A thread forming screw of claim 5, wherein: the pressing component comprises a push block (18), the push block (18) is fixedly connected to one end of the push rod (15), and the section of the push block (18) is rectangular.
10. A thread forming screw of claim 5, wherein: the pressing component comprises a push block (18), the push block (18) is fixedly connected to one end of the push rod (15), and the section of the push block (18) is circular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121540185.7U CN216044886U (en) | 2021-07-07 | 2021-07-07 | Stable self tapping screw who closes soon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121540185.7U CN216044886U (en) | 2021-07-07 | 2021-07-07 | Stable self tapping screw who closes soon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216044886U true CN216044886U (en) | 2022-03-15 |
Family
ID=80617002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121540185.7U Active CN216044886U (en) | 2021-07-07 | 2021-07-07 | Stable self tapping screw who closes soon |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216044886U (en) |
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2021
- 2021-07-07 CN CN202121540185.7U patent/CN216044886U/en active Active
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