CN220227458U - Fastener convenient to maintain - Google Patents
Fastener convenient to maintain Download PDFInfo
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- CN220227458U CN220227458U CN202321975151.XU CN202321975151U CN220227458U CN 220227458 U CN220227458 U CN 220227458U CN 202321975151 U CN202321975151 U CN 202321975151U CN 220227458 U CN220227458 U CN 220227458U
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- 235000013057 Chorispora tenella Nutrition 0.000 claims description 6
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- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
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Abstract
The utility model discloses a fastener convenient to maintain, and relates to the technical field of fasteners, comprising a connected piece, an anti-falling unit, a fastening unit and a nut unit; the upper surface of the connecting piece is provided with a screw hole; the anti-drop unit contains hexagonal screw head, thread bush, threaded rod, ring body, traveller and coil spring, three angles of interval of hexagonal screw head are through the middle part of thread bush threaded connection threaded rod, the punishment sliding connection traveller of remaining angle do not, the top surface of circumference array fixed connection ring body corresponds the position respectively in the bottom of threaded rod, the top surface of traveller fixed connection ring body corresponds the position respectively, the traveller outside is equipped with coil spring, adopts the foundation structure of bolt, installs telescopic ring body in the bottom surface of hexagonal screw head, and the last unidirectional ratchet of ring body downside and the unidirectional joint of ratchet formation unidirectional rotation under by the lower of connecting piece prevent the not hard up of bolt, reduced the frequency of maintaining, reduced the cost of maintaining.
Description
Technical Field
The utility model relates to the technical field of fasteners, in particular to a fastener convenient to maintain.
Background
The fastener is a generic term for mechanical parts used when two or more parts (or members) are fastened together to form a whole, and is widely used in various machines, apparatuses, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, chemical industry, meters, articles, and the like. At present, the requirements of people on the safety of equipment are higher and higher, and a great deal of public facility property and personal safety loss are caused by loosening of mechanical component joints each year.
One of the most common fasteners at present is bolts, but the current bolts tend to loosen easily, and for this purpose we propose a fastener that is convenient to maintain.
Disclosure of Invention
The utility model aims to overcome the prior art, and provides a fastener convenient to maintain, wherein a telescopic ring body is arranged on the bottom surface of a hexagonal screw head by adopting a basic structure of a bolt, and an upper unidirectional ratchet on the lower side surface of the ring body and a lower unidirectional ratchet of a connected piece form unidirectional rotation clamping connection, so that loosening of the bolt is prevented, the maintenance frequency is reduced, the maintenance cost is reduced, and the problems in the background art can be effectively solved.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a fastener convenient for maintenance comprises a connected piece, an anti-falling unit, a fastening unit and a nut unit;
and (3) a connecting piece: the upper surface is provided with screw holes;
an anti-drop unit: the novel screw rod comprises a hexagonal screw head, a thread bush, a threaded rod, a ring body, a sliding column and a spiral spring, wherein three corners of the hexagonal screw head at intervals are respectively connected with the middle part of the threaded rod through the thread bush in a threaded manner, the rest corners are respectively and slidably connected with the sliding column, the bottom ends of the threaded rod are respectively and circumferentially connected with the corresponding positions of the top surface of the ring body in an array manner, the sliding columns are respectively and fixedly connected with the corresponding positions of the top surface of the ring body, the spiral spring is arranged on the outer side of the sliding column, and the two ends of the spiral spring are respectively and fixedly connected with the corresponding positions of the hexagonal screw head and the ring body;
fastening unit: the screw is arranged on the lower side of the hexagonal screw head;
nut unit: is arranged on the upper side of the hexagonal screw head.
The hexagonal screw head is used for installing the thread bush, and the thread bush is used for threaded connection threaded rod, and the threaded rod will select power conversion axial motion, and the ring body is used for installing the traveller, and the traveller is used for sliding connection hexagonal screw head's edge, and coil spring is used for promoting the ring body and keeps away from hexagonal screw head.
Further, the anti-drop unit further comprises an upper unidirectional ratchet, a mounting circular groove and a lower unidirectional ratchet, the mounting circular groove is formed in the middle of the upper surface of the connecting piece, the lower unidirectional ratchet is fixedly connected with the bottom surface circumference array of the mounting circular groove, the upper unidirectional ratchet is fixedly connected with the lower surface circumference array of the ring body, and the upper unidirectional ratchet is in unidirectional clamping connection with the lower unidirectional ratchet.
The installation circular groove is used for sleeving the ring body and fixedly connecting with the lower unidirectional ratchet, and the lower unidirectional ratchet and the upper unidirectional ratchet form a unidirectional clamping relationship so that the ring body is worth unidirectional rotation and bolt wire falling is prevented.
Further, the anti-drop unit further comprises a rotary through hole, an elastic clamp and a rotary deflector rod, the rotary through hole is respectively formed in the top end of the threaded rod, the elastic clamps are respectively fixedly connected to the edges of the upper surface of the hexagonal screw head, the elastic clamps respectively clamp the rotary deflector rod, and the rotary deflector rod can be taken down and inserted into the rotary through hole.
The elastic clamp is used for clamping the rotary deflector rod, the rotary deflector rod rotates the threaded rod through the rotary through hole, and when the bolt is removed, the threaded rod is rotated first, so that the lower unidirectional ratchet and the upper unidirectional ratchet are separated from each other, and the unidirectional o-shaped buckling connection is released.
Further, the fastening unit comprises a thread groove, a bolt body and a thread protrusion, the thread groove is formed in the inner side of the screw hole, the bottom of the hexagonal screw head is fixedly connected with the bolt body, the circumferential surface of the bolt body is fixedly connected with the thread protrusion, and the thread protrusion is in threaded connection with the thread groove.
The bolt body is used for installing the thread protrusion, and the thread protrusion thread connection thread groove is accomplished the fastening effect.
Further, the nut unit comprises a nut body, a cross flower groove and a regular hexagon nut hole, wherein the regular hexagon nut hole is formed in the middle of the bottom surface of the nut body, the regular hexagon nut hole is sleeved with a hexagonal screw head, and the cross flower groove is formed in the middle of the top surface of the nut body.
The nut body is used for offering cross flower groove and regular hexagon nut hole, and regular hexagon nut hole is used for cup jointing hexagonal screw head, covers inner structure, and cross flower groove accessible screwdriver opens the screw.
Further, the screw head further comprises an inner six hole and a safety hole, wherein the inner six hole is formed in the middle of the top surface of the hexagonal screw head, and the safety hole is formed in the middle of the bottom surface of the inner six hole.
The inner six holes can be opened by an inner hexagonal wrench, and when the inner six holes are damaged, the safety holes can be used for opening screws.
Compared with the prior art, the utility model has the beneficial effects that: the fastener convenient to maintain has the following benefits:
1. this fastener convenient to maintain adopts the foundation structure of conventional bolt, and telescopic ring body is installed to the bottom surface of hexagonal screw head, and the last unidirectional ratchet of ring body downside and by the lower unidirectional ratchet of connecting piece form unidirectional rotation's joint, prevent to prevent the not hard up of bolt.
2. The fastener convenient to maintain adopts the threaded rod to control the distance between the hexagonal screw head and the ring body, changes the rotary motion into the axial motion through the rotation of the threaded rod, and simultaneously adopts the elastic potential energy of the coil spring to prop against the ring body to maintain the permanence of one-way clamping, thereby reducing the maintenance times.
3. This fastener convenient to maintain sets up rotatory through-hole at threaded rod top, and when releasing, the bolt is rotatory through rotatory driving lever inserts rotatory through-hole's messenger's threaded rod, and then the one-way ratchet of ring body shrink and by the lower one-way ratchet of connecting piece have the joint to become the release thereby can easily take off the bolt.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a partial enlarged structure of the portion A in FIG. 1 according to the present utility model;
fig. 3 is a schematic view of the bottom structure of the present utility model.
In the figure: the novel anti-falling device comprises a connecting piece 1, a screw hole 2, an anti-falling unit 3, a hexagonal screw head 31, a screw sleeve 32, a screw rod 33, a ring body 34, a slide column 35, a spiral spring 36, an upper one-way ratchet 37, a mounting round groove 38, a lower one-way ratchet 39, a rotating through hole 310, a 311 elastic clamp, a 312 rotating deflector rod, a fastening unit 4, a screw groove 41 (41), a screw body 42, a screw protrusion 43, a nut unit 5, a nut body 51, a cross-shaped groove 52, a regular hexagonal nut hole 53, an inner six-hole 6 and a safety hole 7.
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.
Referring to fig. 1-3, the present embodiment provides the following technical solutions: the fastener convenient to maintain comprises a connected piece 1, an anti-falling unit 3, a fastening unit 4 and a nut unit 5;
connecting piece 1: the upper surface is provided with a screw hole 2;
anti-drop unit 3: the hexagonal screw head 31 is connected with the middle part of the threaded rod 33 through threads of the threaded sleeve 32, the rest corners are respectively and slidably connected with the hexagonal screw head 35, the bottom ends of the threaded rod 33 are respectively and circumferentially arrayed and fixedly connected with the corresponding positions of the top surface of the annular body 34, the hexagonal screw head 35 is respectively and fixedly connected with the corresponding positions of the top surface of the annular body 34, the spiral spring 36 is arranged on the outer side of the hexagonal screw head 35, and the two ends of the spiral spring 36 are respectively and fixedly connected with the corresponding positions of the hexagonal screw head 31 and the annular body 34;
fastening unit 4: is mounted on the underside of the hexagonal screw head 31;
nut unit 5: is mounted on the upper side of the hexagonal screw head 31.
The hexagonal screw head 31 is used for installing the thread bush 32, the thread bush 32 is used for threaded connection threaded rod 33, the threaded rod 33 converts the selection power into axial motion, the ring body 34 is used for installing the sliding column 35, the sliding column 35 is used for sliding connection the edge of the hexagonal screw head 31, and the coil spring 36 is used for pushing the ring body 34 to keep away from the hexagonal screw head 31.
The anti-drop unit 3 further comprises an upper unidirectional ratchet 37, a mounting circular groove 38 and a lower unidirectional ratchet 39, the middle part of the upper surface of the connecting piece 1 is provided with the mounting circular groove 38, the lower unidirectional ratchet 39 is fixedly connected with the circumferential array of the bottom surface of the mounting circular groove 38, the upper unidirectional ratchet 37 is fixedly connected with the circumferential array of the lower surface of the ring body 34, and the upper unidirectional ratchet 37 is in unidirectional clamping connection with the lower unidirectional ratchet 39.
The mounting circular groove 38 is used for sleeving the ring 34 and fixedly connecting the lower unidirectional ratchet 39, and the lower unidirectional ratchet 39 and the upper unidirectional ratchet 37 form a unidirectional clamping relationship so that the ring 34 is worth unidirectional rotation, and the screw bolt is prevented from being taken off.
The anti-falling unit 3 further comprises a rotary through hole 310, an elastic clamp 311 and a rotary deflector 312, the top end of the threaded rod 33 is respectively provided with the rotary through hole 310, the edge of the upper surface of the hexagonal screw head 31 is respectively fixedly connected with the elastic clamp 311, the elastic clamp 311 respectively clamps the rotary deflector 312, and the rotary deflector 312 can be removed and inserted into the rotary through hole 310.
The elastic clamp 311 is used for clamping the rotary deflector rod 312, the rotary deflector rod 312 rotates the threaded rod 33 through the rotary through hole 310, and when the bolt is removed, the threaded rod 33 is rotated first, so that the lower unidirectional ratchet 39 and the upper unidirectional ratchet 37 are separated from each other, and the unidirectional o-shaped fastening is released.
The fastening unit 4 comprises a thread groove 41, a bolt body 42 and a thread protrusion 43, the inside of the screw hole 2 is provided with the thread groove 41, the bottom of the hexagonal screw head 31 is fixedly connected with the bolt body 42, the circumferential surface of the bolt body 42 is fixedly connected with the thread protrusion 43, and the thread protrusion 43 is in threaded connection with the thread groove 41.
The bolt body 42 is provided for mounting the screw boss 43, and the screw boss 43 is screwed with the screw groove 41 to perform the fastening function.
The nut unit 5 comprises a nut body 51, a cross-shaped spline 52 and a regular hexagonal nut hole 53, the regular hexagonal nut hole 53 is formed in the middle of the bottom surface of the nut body 51, the regular hexagonal nut hole 53 is sleeved with the hexagonal screw head 31, and the cross-shaped spline 52 is formed in the middle of the top surface of the nut body 51.
The nut body 51 is used for forming a cross-shaped groove 52 and a regular hexagonal nut hole 53, the regular hexagonal nut hole 53 is used for sleeving the hexagonal screw head 31, the inner structure is covered, and the cross-shaped groove 52 can be used for opening a screw through a screw driver.
The screw head 31 further comprises an inner six hole 6 and a safety hole 7, wherein the inner six hole 6 is formed in the middle of the top surface of the screw head 31, and the safety hole 7 is formed in the middle of the bottom surface of the inner six hole 6.
The inner six holes 6 can be opened by an inner hexagonal wrench, and when the inner six holes 6 are damaged, the safety holes 7 can be used for opening screws.
The working principle of the fastener convenient to maintain provided by the utility model is as follows:
the hexagonal screw head 31 is used for installing the thread bush 32, the thread bush 32 is used for threaded connection threaded rod 33, the threaded rod 33 converts the selection power into axial motion, the ring body 34 is used for installing the sliding column 35, the sliding column 35 is used for sliding connection the edge of the hexagonal screw head 31, and the coil spring 36 is used for pushing the ring body 34 to keep away from the hexagonal screw head 31. The mounting circular groove 38 is used for sleeving the ring 34 and fixedly connecting the lower unidirectional ratchet 39, and the lower unidirectional ratchet 39 and the upper unidirectional ratchet 37 form a unidirectional clamping relationship so that the ring 34 is worth unidirectional rotation, and the screw bolt is prevented from being taken off. The elastic clamp 311 is used for clamping the rotary deflector rod 312, the rotary deflector rod 312 rotates the threaded rod 33 through the rotary through hole 310, and when the bolt is removed, the threaded rod 33 is rotated first, so that the lower unidirectional ratchet 39 and the upper unidirectional ratchet 37 are separated from each other, and the unidirectional o-shaped fastening is released.
The bolt body 42 is provided for mounting the screw boss 43, and the screw boss 43 is screwed with the screw groove 41 to perform the fastening function.
The nut body 51 is used for forming a cross-shaped groove 52 and a regular hexagonal nut hole 53, the regular hexagonal nut hole 53 is used for sleeving the hexagonal screw head 31, the inner structure is covered, and the cross-shaped groove 52 can be used for opening a screw through a screw driver.
The inner six holes 6 can be opened by an inner hexagonal wrench, and when the inner six holes 6 are damaged, the safety holes 7 can be used for opening screws.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (6)
1. A fastener convenient to maintain, its characterized in that: comprises a connected piece (1), an anti-falling unit (3), a fastening unit (4) and a nut unit (5);
connecting piece (1): the upper surface is provided with a screw hole (2);
anti-drop unit (3): the novel hexagonal screw comprises a hexagonal screw head (31), a threaded sleeve (32), a threaded rod (33), a ring body (34), a sliding column (35) and a spiral spring (36), wherein three corners of the hexagonal screw head (31) are respectively connected with the middle part of the threaded rod (33) through the threaded sleeve (32) in a threaded manner, the sliding column (35) is respectively and slidably connected with the rest corners, the bottom ends of the threaded rod (33) are respectively and fixedly connected with the corresponding positions of the top surfaces of the ring bodies (34) in a circumferential array manner, the sliding columns (35) are respectively and fixedly connected with the corresponding positions of the top surfaces of the ring bodies (34), the spiral spring (36) is arranged on the outer side of the sliding column (35), and two ends of the spiral spring (36) are respectively and fixedly connected with the corresponding positions of the hexagonal screw head (31) and the ring bodies (34);
fastening unit (4): is arranged at the lower side of the hexagonal screw head (31);
nut unit (5): is arranged on the upper side of the hexagonal screw head (31).
2. A maintenance-friendly fastener as defined in claim 1, wherein: the anti-drop unit (3) further comprises an upper unidirectional ratchet (37), a mounting circular groove (38) and a lower unidirectional ratchet (39), the middle part of the upper surface of the connecting piece (1) is provided with the mounting circular groove (38), the lower unidirectional ratchet (39) is fixedly connected with the bottom surface circumferential array of the mounting circular groove (38), the lower unidirectional ratchet (37) is fixedly connected with the lower surface circumferential array of the ring body (34), and the upper unidirectional ratchet (37) is in unidirectional clamping connection with the lower unidirectional ratchet (39).
3. A maintenance-friendly fastener as defined in claim 1, wherein: the anti-drop unit (3) further comprises a rotary through hole (310), an elastic clamp (311) and a rotary deflector rod (312), the rotary through hole (310) is respectively formed in the top end of the threaded rod (33), the elastic clamp (311) is respectively fixedly connected to the edge of the upper surface of the hexagonal screw head (31), the elastic clamp (311) respectively clamps the rotary deflector rod (312), and the rotary deflector rod (312) can be removed and inserted into the rotary through hole (310).
4. A maintenance-friendly fastener as defined in claim 1, wherein: the fastening unit (4) comprises a thread groove (41), a bolt body (42) and a thread protrusion (43), the thread groove (41) is formed in the inner side of the screw hole (2), the bottom of the hexagonal screw head (31) is fixedly connected with the bolt body (42), the circumferential surface of the bolt body (42) is fixedly connected with the thread protrusion (43), and the thread protrusion (43) is in threaded connection with the thread groove (41).
5. A maintenance-friendly fastener as defined in claim 1, wherein: the nut unit (5) comprises a nut body (51), a cross flower groove (52) and a regular hexagon nut hole (53), wherein the regular hexagon nut hole (53) is formed in the middle of the bottom surface of the nut body (51), the regular hexagon nut hole (53) is sleeved with a hexagonal screw head (31), and the cross flower groove (52) is formed in the middle of the top surface of the nut body (51).
6. A maintenance-friendly fastener as defined in claim 1, wherein: the novel hexagonal screw head is characterized by further comprising an inner six hole (6) and a safety hole (7), wherein the inner six hole (6) is formed in the middle of the top surface of the hexagonal screw head (31), and the safety hole (7) is formed in the middle of the bottom surface of the inner six hole (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321975151.XU CN220227458U (en) | 2023-07-26 | 2023-07-26 | Fastener convenient to maintain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321975151.XU CN220227458U (en) | 2023-07-26 | 2023-07-26 | Fastener convenient to maintain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220227458U true CN220227458U (en) | 2023-12-22 |
Family
ID=89174004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321975151.XU Active CN220227458U (en) | 2023-07-26 | 2023-07-26 | Fastener convenient to maintain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220227458U (en) |
-
2023
- 2023-07-26 CN CN202321975151.XU patent/CN220227458U/en active Active
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