CN220816206U - Safety screw with anti-disassembly structure - Google Patents
Safety screw with anti-disassembly structure Download PDFInfo
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- CN220816206U CN220816206U CN202322543854.1U CN202322543854U CN220816206U CN 220816206 U CN220816206 U CN 220816206U CN 202322543854 U CN202322543854 U CN 202322543854U CN 220816206 U CN220816206 U CN 220816206U
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- 238000005452 bending Methods 0.000 claims description 16
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 238000005553 drilling Methods 0.000 claims description 8
- 230000003139 buffering effect Effects 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 2
- 230000000703 anti-shock Effects 0.000 claims 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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Abstract
The utility model discloses a safety screw with an anti-disassembly structure, which relates to the technical field of auxiliary devices for connection and fastening, wherein a lower connecting drill column and a round fixing upper block are arranged on the upper side and the lower side of a screw cylinder, the lower connecting drill column, the round fixing upper block and the screw cylinder are of an integrated structure, an inner reserved round groove is arranged at the middle position of the upper end inside the round fixing upper block, and a built-in round block is arranged at the middle position inside the inner reserved round groove; the limiting inner transverse columns are arranged on two sides below the built-in round blocks, the limiting inner transverse columns are fixedly connected with the built-in round blocks through connecting springs, transverse column limiting grooves are formed in two ends below the inner parts of the inner reserved round grooves, and cross reserved grooves are formed in the middle positions inside the built-in round blocks; the safety screw with the anti-disassembly structure can enable the built-in round block to be more stable when limiting through the design of the limiting inner transverse column, and the probability of the safety screw being disassembled can be effectively reduced through the combined design of the elements.
Description
Technical Field
The utility model relates to the technical field of auxiliary devices for connection and fastening, in particular to a safety screw with an anti-disassembly structure.
Background
The screw is a tool for progressively fastening the machine parts by utilizing the physical and mathematical principles of the inclined circular rotation and friction force of the object, and is a general expression of the fastening, and a daily oral language. Screws are an indispensable industrial necessity in daily life: very small screws for use in cameras, spectacles, watches, electronics, etc.; a general screw for televisions, electric products, musical instruments, furniture, etc., and among the screws, a safety screw is most frequently used.
The Chinese patent publication No. CN209115496U, the authorized bulletin day is 2019, month 07 and day 16, and the anti-drop safety screw is arranged on a mechanical product and comprises a screw head and a screw rod, wherein a screw hole is formed in the mechanical product, the screw rod is in threaded fit with the screw hole, a slide way is formed in the screw head, a clamping column is connected in the slide way, a limiting hole is formed in the surface of the mechanical product, provided with the screw hole, and the clamping column is fixedly connected with the limiting hole in an inserting mode; the screw head is provided with an adjusting component which is used for controlling the clamping column to extend out of or retract into the slideway.
Above-mentioned scheme is through setting up card post and adjusting part, after the staff with screw in mechanical product in, utilizes adjusting part control card post and spacing hole's cooperation relation for the relative position of screw head and mechanical product gets down, but it often leads to the problem that safe screw lost the probability and increases because not possess the dismantlement structure when using, therefore we propose a safe screw with anti-disassembly structure to this.
Disclosure of utility model
The utility model aims to provide a safety screw with an anti-disassembly structure, so as to solve the problem that the probability of losing the safety screw is increased due to the fact that the prior safety screw is not provided with the anti-disassembly structure when the prior safety screw is fixed.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a safety screw having a tamper evident structure, comprising: the screw is provided with a cylinder,
The lower connecting drill column and the round fixing upper block are arranged on the upper side and the lower side of the screw cylinder, the lower connecting drill column, the round fixing upper block and the screw cylinder are of an integrated structure, an inner reserved round groove is formed in the middle position of the upper end inside the round fixing upper block, and a built-in round block is arranged in the middle position inside the inner reserved round groove;
The limiting inner cross columns are arranged on two sides of the lower portion of the inner round block and fixedly connected with the inner round block through connecting springs, cross column limiting grooves are formed in two ends of the lower portion of the inner reserved round groove, and cross reserved grooves are formed in the middle position of the inner portion of the inner reserved round block.
Preferably, the lower part of the built-in round block is provided with a wear-resistant lower cushion, the wear-resistant lower cushion is connected with the built-in round block in a pasting mode, two ends of the upper part of the built-in round block are provided with T-shaped block sliding grooves, and the lower ends of the T-shaped block sliding grooves are provided with T-shaped block limiting grooves.
Preferably, the inside of T type piece spacing groove is provided with spacing T type piece, and the lower extreme and the spacing internal cross post fixed connection of spacing T type piece, the outside of spacing T type piece below is provided with the slip and circles the piece down, and the slip circles down the piece and paste with spacing T type piece and be connected.
Preferably, the outside of connecting the drilling string down is provided with external fixation screw thread, and external fixation screw thread and connecting the drilling string down as an organic whole structure, the inside intermediate position department of connecting the drilling string down is provided with the resistance to compression internal block, and the resistance to compression internal block passes through draw-in groove fixed connection with connecting the drilling string down, the outside of screw cylinder is provided with the outer square pad of antiskid, and the outer square pad of antiskid passes through draw-in groove fixed connection with the screw cylinder.
Preferably, the outside of circle fixed upper block below is provided with fixed outer lane piece, and goes up fixed outer lane piece and the fixed structure of going up of circle, the outside of going up fixed outer lane piece is provided with the reservation circle recess, and reserves the circle recess and be provided with more than two, the outside of screw cylinder top is provided with down the retainer plate piece, and lower retainer plate piece and last fixed outer lane piece fixed connection, the both ends of lower retainer plate piece below all are provided with buffering soft protruding block.
Preferably, the inside intermediate position department of screw cylinder is provided with resistant interior piece of bending, and resistant interior piece of bending passes through spacing interior fixture block fixed connection with the screw cylinder, the inner wall of spacing interior fixture block is provided with prevents rocking the interior packing ring, the both sides of resistant interior piece of bending all are provided with spacing interior ladder piece, and spacing interior ladder piece and screw cylinder pass through soft post fixed connection of connection, the outside of connecting soft post is provided with the interior piece of shocking resistance, and shocks resistance interior piece and screw cylinder pass through draw-in groove fixed connection.
Compared with the prior art, the utility model has the beneficial effects that:
1. This kind of safety screw with prevent tearing open structure compares with current auxiliary device for connecting fastening, has equipped with spacing interior diaphragm and built-in circle piece, and the design of spacing interior diaphragm can let built-in circle piece more stable when spacing, can effectively reduce the probability that safety screw was dismantled through the integrated design of above-mentioned component, has solved current safety screw and has often because not possess the problem that anti-disassembly structure leads to the safety screw to lose probability increase at fixed.
2. This kind of safety screw with prevent tearing open structure compares with current auxiliary device for connecting fastening, has equipped with resistant interior piece of bending and anti-impact interior piece, and the design of resistant interior piece of bending can effectively reduce the screw cylinder by the probability of bending when using, and the design of anti-impact interior piece can let the better processing of the big impact force that equipment receives fall, thereby has solved current safety screw often because the problem to impact force processing not enough well lead to equipment life greatly reduced when using.
Drawings
FIG. 1 is a front elevational view of the overall structure of the present utility model;
FIG. 2 is a schematic view of the internal structure of the present utility model;
FIG. 3 is an enlarged view of a portion of the area A of FIG. 2 in accordance with the present utility model;
fig. 4 is an enlarged view of a portion of the area B of fig. 2 in accordance with the present utility model.
In the figure: 1. a screw cylinder; 2. an anti-slip outer square pad; 3. connecting a drill string downwards; 4. an external fixation thread; 5. an upper fixed outer ring block; 6. a lower fixing ring block; 7. round fixing upper blocks; 8. reserving a circular groove; 9. a cross-shaped reserved groove; 10. a round block is arranged in the inner part; 11. compression-resistant inner blocks; 12. wear-resistant lower cushion; 13. a connecting spring; 14. limiting the inner cross column; 15. a transverse column limit groove; 16. t-shaped block limit groove; 17. limiting the T-shaped block; 18. t-shaped block sliding groove; 19. sliding the lower ring block; 20. bending-resistant inner blocks; 21. limiting the inner ladder block; 22. connecting soft columns; 23. limiting the inner clamping block; 24. anti-shake inner gasket; 25. an impact resistant inner block; 26. buffering the soft bump; 27. a round groove is reserved in the inner part.
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.
Referring to fig. 1-4, an embodiment of the present utility model is provided: a safety screw having a tamper evident structure, comprising: the screw cylinder 1 is provided with a screw,
The lower connecting drill stem 3 and the round fixed upper block 7 are arranged on the upper side and the lower side of the screw cylinder 1, the lower connecting drill stem 3, the round fixed upper block 7 and the screw cylinder 1 are of an integrated structure, an inner reserved round groove 27 is arranged at the middle position of the upper end inside the round fixed upper block 7, and a built-in round block 10 is arranged at the middle position inside the inner reserved round groove 27;
The limiting inner transverse columns 14 are arranged on two sides below the built-in round block 10, the limiting inner transverse columns 14 are fixedly connected with the built-in round block 10 through the connecting springs 13, transverse column limiting grooves 15 are formed in two ends below the inner part of the inner reserved round groove 27, and a cross reserved groove 9 is formed in the middle position inside the built-in round block 10;
When the safety screw with the anti-disassembly structure is used, the safety screw with the anti-disassembly structure is taken to a position to be used, when the safety screw with the anti-disassembly structure is fixed, the limiting inner transverse posts 14 arranged at the two ends below the built-in round block 10 are taken out from the inner parts of the transverse post limiting grooves 15, at the moment, the built-in round block 10 can be taken out from the inner reserved round grooves 27, and the probability that the safety screw is disassembled when fixed can be effectively reduced due to the design of the inner reserved round grooves 27.
Referring to fig. 1, an external fixing thread 4 is provided on the outer portion of a lower connecting drill string 3, the external fixing thread 4 and the lower connecting drill string 3 are of an integrated structure, an anti-slip external square pad 2 is provided on the outer portion of a screw cylinder 1, the anti-slip external square pad 2 is fixedly connected with the screw cylinder 1 through a clamping groove, the anti-slip external square pad 2 is more firmly connected with the screw cylinder 1, an upper fixing outer ring block 5 is provided on the outer portion below a round fixing upper block 7, the upper fixing outer ring block 5 and the round fixing upper block 7 are of an integrated structure, a reserved round groove 8 is provided on the outer portion of the upper fixing outer ring block 5, more than two reserved round grooves 8 are provided, a lower fixing ring block 6 is provided on the outer portion above the screw cylinder 1, and the lower fixing ring block 6 is fixedly connected with the upper fixing outer ring block 5, so that the connection between the lower fixing ring block 6 and the upper fixing outer ring block 5 is more firm;
Referring to fig. 2 and 3, a wear-resistant lower cushion 12 is arranged below the built-in round block 10, the wear-resistant lower cushion 12 is in adhesive connection with the built-in round block 10, the connection between the wear-resistant lower cushion 12 and the built-in round block 10 is firmer, T-shaped block sliding grooves 18 are formed in two ends above the built-in round block 10, T-shaped block limiting grooves 16 are formed in the lower ends of the T-shaped block sliding grooves 18, limiting T-shaped blocks 17 are arranged in the T-shaped block limiting grooves 16, the lower ends of the limiting T-shaped blocks 17 are fixedly connected with the limiting inner cross columns 14, the lower ends of the limiting T-shaped blocks 17 are more firmly connected with the limiting inner cross columns 14, sliding lower ring blocks 19 are arranged outside the lower parts of the limiting T-shaped blocks 17, the sliding lower ring blocks 19 are in adhesive connection with the limiting T-shaped blocks 17, the connection between the sliding lower ring blocks 19 and the limiting T-shaped blocks 17 is firmer, compression-resistant inner blocks 11 are arranged in the middle positions inside the lower connection 3, the compression-resistant inner blocks 11 are fixedly connected with the lower connection drill columns 3 through clamping grooves, and the connection between the compression-resistant inner blocks 11 and the lower connection drill columns 3 are more firmly connected with the drill columns 3;
Referring to fig. 4, buffer soft bumps 26 are disposed at two ends of the lower fixing ring block 6, a bending-resistant inner block 20 is disposed at a middle position of the inside of the screw cylinder 1, the bending-resistant inner block 20 is fixedly connected with the screw cylinder 1 through a limiting inner clamping block 23, the bending-resistant inner block 20 is more firmly connected with the screw cylinder 1, an anti-shaking inner gasket 24 is disposed on an inner wall of the limiting inner clamping block 23, limiting inner ladder blocks 21 are disposed at two sides of the bending-resistant inner block 20, the limiting inner ladder blocks 21 are fixedly connected with the screw cylinder 1 through a connecting soft column 22, the limiting inner ladder blocks 21 are more firmly connected with the screw cylinder 1, an anti-impact inner block 25 is disposed outside the connecting soft column 22, and the anti-impact inner block 25 is fixedly connected with the screw cylinder 1 through a clamping groove, so that the connection between the inner block 25 and the screw cylinder 1 is more firmly.
Working principle: when the safety screw with the anti-disassembly structure is used, when the safety screw with the anti-disassembly structure is fixed, the limiting inner transverse posts 14 arranged at the two ends below the built-in round block 10 are taken out from the inner parts of the transverse post limiting grooves 15, the built-in round block 10 can be taken out from the inner reserved round grooves 27, the probability that the safety screw is disassembled when the safety screw is fixed can be effectively reduced by the design of the inner reserved round grooves 27, and when the safety screw with the anti-disassembly structure is used, the probability that the safety screw is bent when the equipment is used can be effectively reduced by the combined design of the bending-resistant inner blocks 20 arranged inside the screw cylinder 1 and the impact-resistant inner blocks 25 arranged outside the bending-resistant inner blocks 20.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. Safety screw with prevent tearing open structure, including screw cylinder (1), its characterized in that:
The lower connecting drill column (3) and the round fixing upper block (7) are arranged on the upper side and the lower side of the screw cylinder (1), the lower connecting drill column (3), the round fixing upper block (7) and the screw cylinder (1) are of an integrated structure, an inner reserved round groove (27) is formed in the middle position of the upper end inside the round fixing upper block (7), and a built-in round block (10) is arranged in the middle position inside the inner reserved round groove (27);
The limiting inner cross columns (14) are arranged on two sides below the built-in round blocks (10), the limiting inner cross columns (14) are fixedly connected with the built-in round blocks (10) through connecting springs (13), cross column limiting grooves (15) are formed in two ends of the inner lower portion of the inner reserved round grooves (27), and cross reserved grooves (9) are formed in the middle position inside the built-in round blocks (10).
2. A safety screw with anti-disassembly structure according to claim 1, characterized in that: a wear-resistant lower cushion (12) is arranged below the built-in round block (10), the wear-resistant lower cushion (12) is connected with the built-in round block (10) in a pasting way, T-shaped block sliding grooves (18) are formed in two ends above the built-in round block (10), and T-shaped block limiting grooves (16) are formed in the lower ends of the T-shaped block sliding grooves (18).
3. A safety screw with anti-disassembly structure according to claim 2, characterized in that: the inside of T type piece spacing groove (16) is provided with spacing T type piece (17), and the lower extreme and the spacing interior diaphragm (14) fixed connection of spacing T type piece (17), the outside of spacing T type piece (17) below is provided with down circle piece (19) of sliding, and down circle piece (19) and spacing T type piece (17) paste and be connected.
4. A safety screw with anti-disassembly structure according to claim 3, characterized in that: the outside of connecting drilling string (3) down is provided with external fixation screw thread (4), and external fixation screw thread (4) and connect drilling string (3) as an organic whole structure down, the inside intermediate position department of connecting drilling string (3) down is provided with resistance to compression internal block (11), and resistance to compression internal block (11) and connect drilling string (3) down through draw-in groove fixed connection, the outside of screw cylinder (1) is provided with outside square pad (2) of antiskid, and outside square pad (2) and screw cylinder (1) pass through draw-in groove fixed connection.
5. The safety screw with anti-disassembly structure according to claim 4, wherein: the outside of circle fixed upper block (7) below is provided with fixed outer lane piece (5), and goes up fixed outer lane piece (5) and circle fixed upper block (7) structure as an organic whole, the outside of going up fixed outer lane piece (5) is provided with reserves circular recess (8), and reserves circular recess (8) to be provided with more than two, the outside of screw cylinder (1) top is provided with down retainer plate piece (6), and lower retainer plate piece (6) and last fixed outer lane piece (5) fixed connection, the both ends of lower retainer plate piece (6) below all are provided with buffering soft lug (26).
6. The safety screw with anti-disassembly structure according to claim 5, wherein: the inside intermediate position department of screw cylinder (1) is provided with resistant interior piece (20) of bending, and resistant interior piece (20) of bending and screw cylinder (1) are through spacing interior fixture block (23) fixed connection, the inner wall of spacing interior fixture block (23) is provided with prevents rocking interior packing ring (24), the both sides of resistant interior piece (20) of bending all are provided with spacing interior ladder piece (21), and spacing interior ladder piece (21) and screw cylinder (1) are through connecting soft post (22) fixed connection, the outside of connecting soft post (22) is provided with anti-shock interior piece (25), and anti-shock interior piece (25) and screw cylinder (1) pass through draw-in groove fixed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322543854.1U CN220816206U (en) | 2023-09-19 | 2023-09-19 | Safety screw with anti-disassembly structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322543854.1U CN220816206U (en) | 2023-09-19 | 2023-09-19 | Safety screw with anti-disassembly structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220816206U true CN220816206U (en) | 2024-04-19 |
Family
ID=90678119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322543854.1U Active CN220816206U (en) | 2023-09-19 | 2023-09-19 | Safety screw with anti-disassembly structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220816206U (en) |
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2023
- 2023-09-19 CN CN202322543854.1U patent/CN220816206U/en active Active
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