CN220523012U - Pan head square groove type self-tapping screw with composite washer - Google Patents
Pan head square groove type self-tapping screw with composite washer Download PDFInfo
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- CN220523012U CN220523012U CN202320994286.4U CN202320994286U CN220523012U CN 220523012 U CN220523012 U CN 220523012U CN 202320994286 U CN202320994286 U CN 202320994286U CN 220523012 U CN220523012 U CN 220523012U
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- screw
- tapping
- fixedly connected
- self
- square groove
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- 238000010079 rubber tapping Methods 0.000 title claims abstract description 54
- 239000002131 composite material Substances 0.000 title claims abstract description 10
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 14
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 14
- 241001330002 Bambuseae Species 0.000 claims abstract description 14
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 14
- 239000011425 bamboo Substances 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000012856 packing Methods 0.000 claims abstract description 9
- 150000001875 compounds Chemical class 0.000 claims abstract description 8
- 230000007797 corrosion Effects 0.000 claims description 6
- 238000005260 corrosion Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 6
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of self-tapping screws, in particular to a pan head square groove type self-tapping screw with a composite washer, which comprises a screw rod, wherein self-tapping threads penetrate through the outer diameter of the screw rod, the washer is fixedly connected with the top position of the outer diameter of the screw rod, a locking cylinder is fixedly connected with the outer edge of the bottom of the washer, locking threads penetrate through the outer diameter of the locking cylinder, and uniformly and densely distributed saw teeth are fixedly connected with the bottom position of the locking cylinder; this take compound packing ring's coiled square groove type self-tapping screw, push down and screw into in the work piece with self-tapping screw hard through mounting tool, be equipped with on the screw rod self-tapping screw, in screwing the in-process, will accomplish tapping and reaming step voluntarily, continue screwing self-tapping screw for sawtooth and work piece contact and carry out the reaming to the work piece surface, further push down and screw, make locking screw that is equipped with on the locking section of thick bamboo contact with the work piece and anchor into the work piece in, realize secondary tapping and reaming, promoted the locking effect of this self-tapping screw.
Description
Technical Field
The utility model relates to the technical field of self-tapping screws, in particular to a pan head square groove type self-tapping screw with a composite gasket.
Background
The self-tapping screw is as follows: the drilled holes are holes without tapping, the head is pointed, the tooth distance is larger than that of chipless tapping, the holes can be directly screwed into the holes without tapping, and the method is generally used for metals and plastics. The method can be used for 'tapping, extruding and pressing' corresponding threads of the consolidated body on the consolidated material by means of the threads of the consolidated body so as to enable the consolidated body and the threads to be mutually matched tightly.
However, in the use process of the traditional self-tapping screw, only one tapping and reaming step is carried out, the locking effect of the self-tapping screw is poor, the workpiece is not firmly installed, and the workpiece is easy to fall off. In view of this, we propose a pan head square groove type self-tapping screw with a composite washer.
Disclosure of Invention
In order to make up for the defects, the utility model provides the pan head square groove type self-tapping screw with the composite gasket.
The technical scheme of the utility model is as follows:
the pan head square groove type self-tapping screw with the composite gasket comprises:
the screw rod, screw rod top position fixedly connected with installed part, run through and be provided with the self tapping screw thread on the screw rod external diameter, screw rod external diameter top position runs through and fixedly connected with packing ring, the outer edge fixedly connected with locking section of thick bamboo in packing ring bottom, run through and be provided with the locking screw thread on the locking section of thick bamboo external diameter, locking section of thick bamboo bottom position fixedly connected with evenly densely distributed attack the hard piece.
Preferably, the tapping piece adopts saw teeth, the thickness of the saw teeth is smaller than that of the locking barrel, a workpiece to be fixed can be subjected to groove expansion through tooth point friction, the locking barrel is conveniently anchored, and the screw head is fixedly connected to the bottom of the screw rod.
Preferably, the installation piece adopts the pan head main part, the middle position in the left side of the pan head main part runs through and fixedly connected with fixed pin, run through on the fixed pin external diameter and rotate and be connected with the rotation round pin, rotation round pin surface front end position fixedly connected with handle is carrying out the screw dismantlement in-process, can stimulate the handle and rotate the pan head main part to drive the screw rotation, need not specialized tool and dismantle, promoted the convenience of dismantling greatly.
Preferably, the other end of the handle is fixedly connected with a plugging piece.
Preferably, the inner side of the outer surface of the gasket is provided with a strength layer made of alloy steel, and the surface of the strength layer is provided with a corrosion-resistant layer made of zinc plating technology.
Preferably, the top of the pan head main body is penetrated and provided with a square groove.
Preferably, the cushion ring is fixedly connected with the center of the bottom of the gasket and is positioned inside the locking cylinder, and the cushion ring and the screw rod are penetrated and fixedly connected.
Compared with the prior art, the utility model has the beneficial effects that:
this take compound packing ring's coiled square groove type self-tapping screw, push down the self-tapping screw with the effort through mounting tool and screw into in the work piece, the self-tapping screw that is equipped with on the screw rod, in screwing the in-process, will accomplish tapping and reaming step voluntarily, continue screwing the self-tapping screw for sawtooth and work piece contact and carry out the reaming to the work piece surface, further push down and screw, make the locking screw that is equipped with on the locking section of thick bamboo contact with the work piece and anchor into the work piece in, realize secondary tapping and reaming, the locking effect of this self-tapping screw has been promoted greatly, make the work piece installation more fastened, be difficult for droing.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a locking cylinder according to the present utility model;
FIG. 3 is a schematic view of the internal structure of the gasket of the present utility model;
fig. 4 is a schematic diagram of the main structure of the disc head according to the present utility model.
The meaning of each reference numeral in the figures is:
1. a square groove; 2. a pan head main body; 3. a gasket; 4. a locking cylinder; 5. self-tapping threads; 6. a screw; 7. a screw head; 8. a buffer ring; 9. locking threads; 10. saw teeth; 11. a corrosion resistant layer; 12. a strength layer; 13. a seam plugging belt; 14. a fixing pin; 15. a rotation pin; 16. and (5) a handle.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Referring to fig. 1-4, the present utility model is described in detail by the following embodiments:
the pan head square groove type self-tapping screw with the composite gasket comprises:
the screw rod 6, screw rod 6 top position fixedly connected with installed part runs through and is provided with self tapping screw thread 5 on the screw rod 6 external diameter, screw rod 6 external diameter top position runs through and fixedly connected with packing ring 3, and packing ring 3 bottom outer edge fixedly connected with locking section of thick bamboo 4 runs through and is provided with locking screw thread 9 on the locking section of thick bamboo 4 external diameter, and locking section of thick bamboo 4 bottom position fixedly connected with is even the piece of hardening of densely covered.
It should be noted that, as shown in fig. 2, the tapping piece adopts the saw tooth 10, the thickness of the saw tooth 10 is smaller than that of the locking cylinder 4, the workpiece to be fixed can be expanded by the friction of the tooth tip, the locking cylinder 4 is conveniently anchored, and the screw head 7 is fixedly connected to the bottom of the screw rod 6.
In this embodiment, as shown in fig. 4, the installation member adopts the pan head main body 2, the middle position on the left side of the pan head main body 2 is penetrated and fixedly connected with the fixed pin 14, the fixed pin 14 is penetrated and rotationally connected with the rotating pin 15 on the outer diameter, the front end position on the outer surface of the rotating pin 15 is fixedly connected with the handle 16, and in the process of disassembling the screw, the handle 16 can be pulled to rotate the pan head main body 2, thereby driving the screw to rotate, disassembling without a special tool is required, and the convenience of disassembling is greatly improved.
In this embodiment, as shown in fig. 1, the other end of the handle 16 is fixedly connected with a plugging piece, and the plugging piece adopts a plugging strip 13, so that a gap between the end of the handle 16 and the disc head main body 2 can be filled, the effect of plugging to prevent the handle 16 from falling off is achieved, the handle 16 can be retracted into the disc head main body 2, and the installation aesthetic property is not affected.
As shown in fig. 3, the inner side of the outer surface of the gasket 3 is provided with a strength layer 12, the strength layer 12 is made of alloy steel, the surface of the strength layer 12 is provided with a corrosion-resistant layer 11, and the corrosion-resistant layer 11 is made of a galvanization process, so that the gasket has a good rust-proof effect, and the service life of the screw is prolonged.
As shown in fig. 1, a square groove 1 is formed through the top of the pan head main body 2, and a specific tool can be selected for mounting or dismounting.
It should be noted that, as shown in fig. 2, the center of the bottom of the washer 3 is fixedly connected with a buffer ring 8, the buffer ring 8 is located inside the locking cylinder 4, the buffer ring 8 can enlarge the contact area, reduce the generated pressure, and prevent the loosening of screws and other parts and protect the screws, and the buffer ring 8 is fixedly connected with the screw rod 6.
The coiled hair square groove type white tapping screw with the composite gasket of this embodiment is pushed down hard and is screwed into the work piece through mounting tool with the tapping screw, the self tapping screw 5 that is equipped with on the screw rod 6, in screwing the in-process, will accomplish tapping and reaming step voluntarily, continue screwing the tapping screw for sawtooth 10 and work piece contact and carry out the reaming to the work piece surface, further push down and screw, make locking screw 9 that is equipped with on the locking section of thick bamboo 4 contact and anchor in the work piece with the work piece, realize secondary tapping and reaming, the locking effect of this section of tapping screw has been promoted greatly, make the work piece installation more firm, be difficult for droing.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. Take compound packing ring's coiled hair square groove formula self-tapping screw, its characterized in that: comprising the following steps:
screw rod (6), screw rod (6) top position fixedly connected with installed part, run through and be provided with self tapping screw thread (5) on screw rod (6) external diameter, screw rod (6) external diameter top position runs through and fixedly connected with packing ring (3), packing ring (3) bottom outer edge fixedly connected with locking section of thick bamboo (4), run through and be provided with locking screw thread (9) on locking section of thick bamboo (4) external diameter, locking section of thick bamboo (4) bottom position fixedly connected with evenly densely covered attack piece.
2. The compound washer-equipped pan head square groove type self-tapping screw as set forth in claim 1, wherein: the tapping piece adopts the sawtooth (10), sawtooth (10) thickness is less than locking section of thick bamboo (4) thickness, can expand the groove through the tooth point friction to the work piece that needs to be fixed, makes things convenient for locking section of thick bamboo (4) to anchor into, screw rod (6) bottom position fixedly connected with spiral shell head (7).
3. The compound washer-equipped pan head square groove type self-tapping screw as set forth in claim 2, wherein: the installation piece adopts coiled hair main part (2), coiled hair main part (2) left side intermediate position runs through and fixedly connected with fixed pin (14), run through on fixed pin (14) external diameter and rotate and be connected with rotation round pin (15), rotation round pin (15) surface front end position fixedly connected with handle (16), in carrying out the screw dismantlement in-process, can stimulate handle (16) and rotate coiled hair main part (2) to drive the screw rotation, need not specialized tool and dismantle, promoted the convenience of dismantling greatly.
4. A pan head square groove type self-tapping screw with a composite gasket as set forth in claim 3, wherein: the other end of the handle (16) is fixedly connected with a plugging piece.
5. The compound washer-equipped pan head square groove type self-tapping screw as set forth in claim 4, wherein: the inner side of the outer surface of the gasket (3) is provided with a strength layer (12), the strength layer (12) is made of alloy steel, the surface of the strength layer (12) is provided with a corrosion-resistant layer (11), and the corrosion-resistant layer (11) adopts a galvanization process.
6. The compound washer-equipped pan head square groove type self-tapping screw as set forth in claim 5, wherein: the top of the pan head main body (2) is penetrated and provided with a square groove (1).
7. The compound washer-equipped pan head square groove type self-tapping screw as set forth in claim 6, wherein: the center of the bottom of the gasket (3) is fixedly connected with a buffer ring (8), the buffer ring (8) is positioned inside the locking cylinder (4), and the buffer ring (8) and the screw rod (6) are penetrated and fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320994286.4U CN220523012U (en) | 2023-04-26 | 2023-04-26 | Pan head square groove type self-tapping screw with composite washer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320994286.4U CN220523012U (en) | 2023-04-26 | 2023-04-26 | Pan head square groove type self-tapping screw with composite washer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220523012U true CN220523012U (en) | 2024-02-23 |
Family
ID=89929019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320994286.4U Active CN220523012U (en) | 2023-04-26 | 2023-04-26 | Pan head square groove type self-tapping screw with composite washer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220523012U (en) |
-
2023
- 2023-04-26 CN CN202320994286.4U patent/CN220523012U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |