CN221221075U - Stainless steel hexagonal self-tapping screw - Google Patents
Stainless steel hexagonal self-tapping screw Download PDFInfo
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- CN221221075U CN221221075U CN202323356488.5U CN202323356488U CN221221075U CN 221221075 U CN221221075 U CN 221221075U CN 202323356488 U CN202323356488 U CN 202323356488U CN 221221075 U CN221221075 U CN 221221075U
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- self
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- tapping
- rod
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- 238000010079 rubber tapping Methods 0.000 title claims abstract description 57
- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 17
- 239000010935 stainless steel Substances 0.000 title claims abstract description 17
- 230000006835 compression Effects 0.000 claims abstract description 14
- 238000007906 compression Methods 0.000 claims abstract description 14
- 238000009434 installation Methods 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 16
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 8
- 238000005553 drilling Methods 0.000 description 4
- 125000006850 spacer group Chemical group 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000005452 bending Methods 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
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of hexagonal self-tapping screws, in particular to a stainless steel hexagonal self-tapping screw which comprises a screw head, wherein an inner hexagonal hole is formed in the screw head, a limiting rod is fixed on one side of the screw head, an installation cavity is formed in the limiting rod, a compression spring is fixed at the lower end of the inside of the installation cavity, a movable block is connected to the upper surface of the compression spring, two connecting blocks are symmetrically connected to the outer wall of the movable block, and limiting convex rods are fixed on one sides of the two connecting blocks. According to the self-tapping screw, the movable block is driven to move in the reset and extension process of the compression spring, so that the movable block respectively pushes the two limiting convex rods to extend out of the mounting cavity, the tail ends of the limiting convex rods are in contact with the inner wall of the self-tapping hole of the equipment, the self-tapping screw is fixed, the situation that the self-tapping screw and the equipment fall off due to vibration is avoided, and the anti-skid effect can be better achieved.
Description
Technical Field
The utility model relates to the technical field of hexagonal self-tapping screws, in particular to a stainless steel hexagonal self-tapping screw.
Background
The fastening screw, also called a set screw or set screw, is a screw for fixing the relative position of the parts. When in use, the fastening screw is screwed into the screw hole of the machine member to be fixed, and the tail end of the screw is tightly pressed on the surface of the other machine member, namely the former machine member is fixed on the latter machine member. The standard fastening screw commonly used at present is of an integrated structure and is made of the same material. Each self-tapping screw is composed of a head part, a rod part and a tail end of the rod part. Each self-tapping screw has four components: head shape, threading style, thread type, end form.
The patent specification with the bulletin number of CN213176374U discloses a high-toughness self-drilling tapping screw, which comprises a pole column, a screw cap and a hexagonal tightening block, wherein the screw cap is welded at the top of the pole column, the hexagonal tightening block is welded at the top of the screw cap, a reinforcing rib is welded at the outer side of the pole column, a self-tapping thread is arranged at the outer side of the reinforcing rib, a bevel is arranged at the bottom end of the outer side of the screw cap, and an anti-slip pad is sleeved at one end of the outer side of the screw cap. The anti-loosening plastic has the advantages of strong overall toughness, difficult bending and breaking, good anti-loosening capability, difficult rotation and loosening after fixation, and suitability for wide popularization and use.
However, in the implementation related art, it is found that a high-toughness self-drilling and self-tapping screw of the above design has the following problems: according to the technical scheme, after the pole is completely drilled into the object, the screw cap tightly presses the anti-slip pad on the object, so that the pole can be prevented from reversing and loosening, but the anti-loosening effect is poor due to the fact that the anti-slip pad is in contact with the surface of the object, if vibration occurs between the screw rod body and the object, the screw can be loosened, the anti-slip pad cannot be in contact with the object, and therefore the anti-loosening cannot be achieved.
Disclosure of utility model
The utility model aims to solve the defects in the prior art and provides a stainless steel hexagonal self-tapping screw.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a stainless steel hexagonal self-tapping screw, includes the screw head, interior hexagonal hole has been seted up to the inside of screw head, one side of screw head is fixed with the gag lever post, the installation cavity has been seted up to the inside of gag lever post, the lower extreme of installation cavity inside is fixed with compression spring, compression spring's upper surface is connected with movable block, the outer wall symmetry of movable block is connected with two connecting blocks, two one side of connecting block all is fixed with spacing protruding pole, the movable block passes through between compression spring and the installation cavity and constitutes elastic structure.
As a further description of the above technical solution: the movable rod is fixed on the upper surface of the movable block in the vertical direction, a connecting piece in sliding connection with the inner hexagonal hole is fixed at the tail end of the movable rod, and the hexagonal wrench is inserted into the inner hexagonal hole on the screw head to enable the wrench to push the connecting piece in the inner hexagonal hole to move, so that the movable rod in the limiting rod is driven to move, the self-tapping screw can be fixed, and the self-tapping screw is convenient to detach.
As a further description of the above technical solution: the outer wall of movable rod is fixed with the stopper, the surface cover of spacing protruding pole is equipped with the fixed pipe with gag lever post fixed connection, can play spacing effect through the stopper on the movable rod, avoids the movable rod to reset too much.
As a further description of the above technical solution: one side butt of fixed pipe has the cover to establish the reset spring on spacing protruding pole, constitute elastic construction between spacing protruding pole through reset spring and the fixed pipe, drive spacing protruding pole to the installation intracavity motion at reset spring self reset extension's in-process, make this screw can normally rotate when self tapping.
As a further description of the above technical solution: the self-tapping drill is characterized in that a screw rod is fixed at the tail end of the limiting rod, a self-tapping head is fixed at the tail end of the screw rod, and the self-tapping screw is rotated by aligning the self-tapping head with the surface of equipment to be fixed, so that self-tapping drilling is performed.
As a further description of the above technical solution: the side wall of the screw head is provided with a sealing gasket, the sealing gasket is in adhesive connection with the screw head, and the sealing gasket arranged on the screw head can play a role in sealing.
As a further description of the above technical solution: the inner wall of the sealing gasket is provided with an anti-slip gasket fixedly connected with the screw head, and the arranged anti-slip gasket can play a role in preventing slipping, so that the stability is further improved.
The utility model has the following beneficial effects:
According to the stainless steel hexagonal self-tapping screw designed by the utility model, the movable block is driven to move in the resetting and extending process of the compression spring, so that the movable block respectively pushes the two limiting convex rods to extend out of the mounting cavity, the tail ends of the limiting convex rods are contacted with the inner wall of the hole formed by self-tapping of the equipment, the self-tapping screw is fixed, the situation that the self-tapping screw and the equipment fall off due to vibration is avoided, and the anti-skid effect can be better achieved.
According to the stainless steel hexagonal self-tapping screw designed by the utility model, the hexagonal wrench is inserted into the inner hexagonal hole on the screw head, so that the wrench pushes the connecting piece in the inner hexagonal hole to move, and the movable rod in the limiting rod is driven to move, so that the self-tapping screw can be released from being fixed, and the self-tapping screw is convenient to detach; the limiting convex rod is driven to move into the mounting cavity in the resetting and extending process of the reset spring, so that the screw can normally rotate during self-tapping.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic cross-sectional view of a stop lever according to the present utility model;
FIG. 3 is a schematic perspective view of a movable block according to the present utility model;
fig. 4 is a schematic perspective view of the screw head of the present utility model.
Legend description:
1. A screw head; 2. an inner hexagonal hole; 3. a limit rod; 4. a mounting cavity; 5. a compression spring; 6. a movable block; 7. a connecting block; 8. a limit protruding rod; 9. a movable rod; 10. a connecting piece; 11. a limiting block; 12. a fixed tube; 13. a return spring; 14. a screw rod; 15. self-tapping heads; 16. a sealing gasket; 17. an anti-slip gasket.
Detailed Description
Referring to fig. 1-4, the utility model provides a stainless steel hexagonal self-tapping screw: including screw head 1, interior hexagonal hole 2 has been seted up to the inside of screw head 1, one side of screw head 1 is fixed with gag lever post 3, install chamber 4 has been seted up to the inside of gag lever post 3, the lower extreme of install chamber 4 inside is fixed with hold-down spring 5, the upper surface of hold-down spring 5 is connected with movable block 6, the outer wall symmetry of movable block 6 is connected with two connecting blocks 7, one side of two connecting blocks 7 all is fixed with spacing protruding pole 8, movable block 6 passes through between hold-down spring 5 and install chamber 4 constitutes elastic structure, drive movable block 6 motion at the in-process that hold-down spring 5 self resets and extends, make movable block 6 promote two spacing protruding poles 8 respectively and stretch out install chamber 4, the terminal and the downthehole wall contact of equipment self-tapping shaping of gag lever post 8, thereby fix this self-tapping screw, avoid taking place the vibration and lead to the condition that drops between self-tapping screw and the equipment, can better play anti-skidding effect.
As a further embodiment of the above technical solution: the movable rod 9 is fixed on the upper surface of the movable block 6 in the vertical direction, the connecting piece 10 which is in sliding connection with the inner hexagonal hole 2 is fixed at the tail end of the movable rod 9, and a hexagonal wrench is inserted into the inner hexagonal hole 2 on the screw head 1 to enable the wrench to push the connecting piece 10 in the inner hexagonal hole 2 to move, so that the movable rod 9 in the limiting rod 3 is driven to move, the self-tapping screw can be fixed, and the self-tapping screw is convenient to detach.
As a further embodiment of the above technical solution: the outer wall of the movable rod 9 is fixed with a limiting block 11, the outer surface of the limiting convex rod 8 is sleeved with a fixed pipe 12 fixedly connected with the limiting rod 3, the limiting block 11 on the movable rod 9 can play a limiting role, and excessive resetting of the movable rod 9 is avoided.
As a further embodiment of the above technical solution: one side butt of fixed pipe 12 has the cover to establish reset spring 13 on spacing protruding pole 8, and spacing protruding pole 8 passes through between reset spring 13 and the fixed pipe 12 and constitutes elastic construction, drives spacing protruding pole 8 to the internal motion of installation cavity 4 at reset spring 13 self in-process that resets and extends, makes this screw can normally rotate when self tapping.
During specific implementation, insert hexagonal spanner to the interior hexagonal hole 2 on the screw head 1, press hexagonal spanner earlier when rotating, make spanner promote the connecting piece 10 in the interior hexagonal hole 2 and move, thereby drive movable rod 9 motion in the gag lever post 3, make movable rod 6 compress compression spring 5, because the toper of connecting block 7 cooperatees with the toper of movable rod 6, when movable rod 6 moves down, connecting block 7 loses thrust, drive spacing protruding rod 8 to the motion in the installation cavity 4 at reset spring 13 self-reset in-process that stretches, make this screw can normally rotate when self-tapping, the user takes out hexagonal spanner from interior hexagonal hole 2, make compression spring 5 lose pressure, drive movable rod 6 motion at compression spring 5 self-reset in-process, stopper 11 on the movable rod 9 can play spacing effect, avoid movable rod 9 to reset too much, make movable rod 6 promote two spacing protruding rods 8 respectively and stretch out the installation cavity 4, and the fixed pipe 12 that sets up can play the effect of direction, the terminal of spacing protruding rod 8 and self-tapping equipment are from the downthehole end to the contact with the device, thereby the condition that makes the spacer 17 take place between the spacer 17 can be better, and the spacer 17 can take place the anti-slip effect.
As a further embodiment of the above technical solution: the screw rod 14 is fixed at the tail end of the limiting rod 3, the self-tapping head 15 is fixed at the tail end of the screw rod 14, and the self-tapping screw is rotated by aligning the self-tapping head 15 with the surface of equipment to be fixed, so that self-tapping drilling is performed.
As a further embodiment of the above technical solution: the side wall of the screw head 1 is provided with a sealing gasket 16, the sealing gasket 16 is in adhesive connection with the screw head 1, and the sealing gasket 16 arranged on the screw head 1 can play a role in sealing.
As a further embodiment of the above technical solution: the inner wall of the sealing gasket 16 is provided with an anti-slip gasket 17 fixedly connected with the screw head 1, and the anti-slip gasket 17 can play a role in slip prevention, so that the stability is further improved.
In specific implementation, before the stainless steel hexagonal self-tapping screw is used, the self-tapping head 15 is aligned to the surface of equipment to be fixed, when the screw is completely self-tapped into the equipment, the sealing gasket 16 arranged on the screw head 1 can play a role in sealing, and the arranged anti-skid gasket 17 can play a role in skid resistance.
Finally, it should be noted that: the foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather, it will be apparent to those skilled in the art that the foregoing description of the preferred embodiments of the present utility model can be modified or equivalents can be substituted for some of the features thereof, and any modification, equivalent substitution, improvement or the like that is within the spirit and principles of the present utility model should be included in the scope of the present utility model.
Claims (7)
1. The utility model provides a stainless steel hexagonal self-tapping screw, includes screw head (1), interior hexagonal hole (2) have been seted up to the inside of screw head (1), its characterized in that: one side of screw head (1) is fixed with gag lever post (3), installation cavity (4) have been seted up to the inside of gag lever post (3), the inside lower extreme of installation cavity (4) is fixed with compression spring (5), the upper surface of compression spring (5) is connected with movable block (6), the outer wall symmetry of movable block (6) is connected with two connecting blocks (7), two one side of connecting block (7) all is fixed with spacing protruding pole (8), constitute elastic construction between movable block (6) through compression spring (5) and installation cavity (4).
2. The stainless steel hexagonal self-tapping screw as set forth in claim 1, wherein: the movable rod (9) is fixed on the upper surface of the movable block (6) in the vertical direction, and a connecting piece (10) which is in sliding connection with the inner hexagonal hole (2) is fixed at the tail end of the movable rod (9).
3. A stainless steel hexagonal self-tapping screw as set forth in claim 2, wherein: the outer wall of the movable rod (9) is fixedly provided with a limiting block (11), and the outer surface of the limiting convex rod (8) is sleeved with a fixed pipe (12) fixedly connected with the limiting rod (3).
4. A stainless steel hexagonal self-tapping screw as set forth in claim 3, wherein: one side of the fixed pipe (12) is abutted with a reset spring (13) sleeved on the limit protruding rod (8), and the limit protruding rod (8) and the fixed pipe (12) form an elastic structure through the reset spring (13).
5. The stainless steel hexagonal self-tapping screw as set forth in claim 1, wherein: the tail end of the limiting rod (3) is fixed with a screw rod (14), and the tail end of the screw rod (14) is fixed with a self-tapping head (15).
6. The stainless steel hexagonal self-tapping screw as set forth in claim 1, wherein: the side wall of the screw head (1) is provided with a sealing gasket (16), and the sealing gasket (16) is in adhesive connection with the screw head (1).
7. The stainless steel hexagonal self-tapping screw as set forth in claim 6, wherein: an anti-slip gasket (17) fixedly connected with the screw head (1) is arranged on the inner wall of the sealing gasket (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323356488.5U CN221221075U (en) | 2023-12-09 | 2023-12-09 | Stainless steel hexagonal self-tapping screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323356488.5U CN221221075U (en) | 2023-12-09 | 2023-12-09 | Stainless steel hexagonal self-tapping screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221221075U true CN221221075U (en) | 2024-06-25 |
Family
ID=91579013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323356488.5U Active CN221221075U (en) | 2023-12-09 | 2023-12-09 | Stainless steel hexagonal self-tapping screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221221075U (en) |
-
2023
- 2023-12-09 CN CN202323356488.5U patent/CN221221075U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |