CN218266750U - Anti-disassembly bolt - Google Patents
Anti-disassembly bolt Download PDFInfo
- Publication number
- CN218266750U CN218266750U CN202222552889.7U CN202222552889U CN218266750U CN 218266750 U CN218266750 U CN 218266750U CN 202222552889 U CN202222552889 U CN 202222552889U CN 218266750 U CN218266750 U CN 218266750U
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- nut
- disassembly
- cover
- raceway
- jack
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Abstract
The utility model relates to the field of bolts, in particular to an anti-disassembly bolt, wherein the top of a nut is covered with an anti-disassembly cover which is rotatably connected with the nut, the inner wall of the anti-disassembly cover is provided with an annular first raceway, the outer side wall of the nut is provided with a second raceway near the first raceway, and the anti-disassembly bolt also comprises a plurality of balls which can freely roll between the first raceway and the second raceway; the side surface of the nut is provided with a locking groove, and the side surface of the anti-dismantling cover is provided with a jack which can rotate to align with the locking groove; the locking rod is inserted into the jack and the locking groove at one end when the jack and the locking groove are aligned; the other end of the position locking rod forms a holding part; the top of the anti-disassembly cover is provided with a placement groove for inserting one end of the locking rod; the bottom end of the nut penetrates through the bottom end of the anti-dismounting cover, and a first marking part horizontally extending out of the edge of the anti-dismounting cover is arranged on the side face of the bottom end of the nut; the bottom edge of the anti-disassembly cover is provided with a second marking part which is aligned with the first marking part when the jack is aligned with the locking groove. This product simple structure, low in manufacturing cost need not the screwdriver and can realize the dismouting.
Description
Technical Field
The utility model belongs to the technical field of the bolt and specifically relates to an anti-disassembly bolt is related to.
Background
The bolt is a fastener consisting of a head part and a screw (a cylinder with external threads), needs to be matched with a nut for use, and is used for fastening and connecting two parts with through holes, wherein the two parts with holes are connected parts.
But the existing bolt can only realize simple connection, and has the problems that: the anti-disassembly function can not be realized, although a part of anti-disassembly bolts, such as CN202120240697.5, are named as anti-disassembly bolts at present, the structure is complex, the manufacturing cost is high, the requirement on the fineness of parts is high, and the anti-disassembly bolt is required to be disassembled and assembled through a screwdriver, so that the use is inconvenient.
Disclosure of Invention
In order to solve the problem, the utility model provides an anti-disassembly bolt need not the screwdriver and can unblock, simple structure, and the part is difficult for losing.
In order to achieve the above object, the utility model provides a following technical scheme: an anti-disassembly bolt comprises a nut, a screw rod and a nut, wherein the top of the screw rod is connected with the nut through a screw thread, the bottom of the screw rod penetrates through the nut connected with a connected piece through the screw thread, the top of the nut is covered with an anti-disassembly cover, the anti-disassembly cover is rotatably connected with the nut, the inner wall of the anti-disassembly cover is provided with an annular first raceway, the outer side wall of the nut, close to the first raceway, is provided with a second raceway, and the anti-disassembly bolt further comprises a plurality of balls which can freely roll between the first raceway and the second raceway; the side surface of the nut is provided with a locking groove, and the side surface of the anti-disassembly cover is provided with a jack which can rotate to align with the locking groove; the locking rod is inserted into the jack and the locking groove at one end when the jack and the locking groove are aligned; the other end of the position locking rod forms a holding part; the top of the anti-disassembly cover is provided with a placement groove into which one end of the locking rod is inserted; the bottom end of the nut penetrates through the bottom end of the anti-dismounting cover, and a first marking part horizontally extending out of the edge of the anti-dismounting cover is arranged on the side face of the bottom end of the nut; the bottom edge of the anti-disassembly cover is provided with a second marking part which is aligned with the first marking part when the jack is aligned with the locking groove. When the anti-disassembly cover is used, the anti-disassembly cover can freely rotate around the screw cap, so that the screw cap cannot be fixed, the screw rod and the screw cap can be driven to rotate by rotating the screw cap, an anti-disassembly effect is achieved, the balls can freely roll in the first roller path and the second roller path, and the rotation is smooth; during unlocking, the anti-disassembly cover and the nut can be fixed together only by inserting the locking rod into the jack and the locking groove, the nut can be fixed by fixing the anti-disassembly cover, and then the nut is rotated, so that the nut can be easily unscrewed, and the disassembly is realized without a screwdriver; when locking, only the locking rod is required to be pulled out, so that the operation is convenient; the pulled locking rod can be inserted into the placing groove, so that the locking rod is prevented from being lost; when the position locking rod is inserted, the jack and the position locking groove need to be aligned, when the first mark part and the second mark part are observed to be aligned, the jack and the position locking groove can be aligned, the position locking rod can be easily inserted at the moment, and the operation is further convenient.
Further, the holding part is of a ring structure. The structure is convenient to hold.
Furthermore, the outer wall of the position locking rod is provided with a first external thread, and the inner walls of the jack, the position locking groove and the placing groove are provided with a first internal thread matched with the first external thread. The design further improves the stability and firmness of the locking rod when the locking rod is inserted into the jack and the locking groove or is inserted into the placement groove.
To sum up, the utility model has the advantages that: this product has only added on original bolt basis and has established the lock position pole, has prevented tearing open the cover, simple structure, low in manufacturing cost, and the part requirement is also low moreover, need not the screwdriver and can realize dismouting convenient operation.
Drawings
Fig. 1 is a first schematic structural diagram of the present invention;
FIG. 2 is a second schematic structural view of the present invention;
fig. 3 is a third schematic structural view of the present invention;
wherein, the connected piece 100; the nut 1, the second raceway 11, the locking groove 12 and the first marking part 13; a screw 2; a nut 3; the anti-disassembly cover 4, the first raceway 41, the insertion hole 42, and the second mark part 43; a locking rod 5, a holding part 51 and a placing groove 52; and a ball 6.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-3, an anti-disassembling bolt comprises a nut 1, a screw 2 and a nut 3. The top of the screw rod 2 is connected with a nut 1, and the bottom of the screw rod 2 passes through a nut 3 which is connected with the screw of the connected piece 100 in a threaded manner.
The improvement of the product is that: the top of the nut 1 is covered with an anti-disassembly cover 4, the anti-disassembly cover 4 is rotatably connected with the nut 1, namely, a circular groove is formed in the anti-disassembly cover 4, the nut 1 is positioned in the circular groove, the nut 1 is also circular, further, the nut 1 can freely rotate in the anti-disassembly cover 4, the outer wall of the nut 1 is close to the inner wall of the anti-disassembly cover 4, the inner side wall of the anti-disassembly cover 4 is also provided with an annular first raceway 41, the outer side wall of the nut 1 is provided with a second raceway 11 close to the first raceway 41, the nut further comprises a plurality of balls 6, the balls 6 are positioned between the first raceway 41 and the second raceway 11, the balls 6 can freely roll in the first raceway 41 and the second raceway 11, and the anti-disassembly cover 4 can be prevented from being separated from the nut 1; the side of nut 1 is equipped with the lock position groove 12, the side of preventing tearing open cover 4 is equipped with jack 42, and the jack 42 height is highly leveled with lock position groove 12, and then prevents tearing open cover 4 and rotate a certain angle after, jack 42 can aim at lock position groove 12. In addition, a locking rod 5 is additionally arranged, after the insertion hole 42 is aligned with the locking groove 12, one end of the locking rod 5 is inserted into the insertion hole 42 and the locking groove 12, and then the connection between the nut 1 and the anti-dismounting cover 4 is realized. The other end of the position locking rod 5 forms a holding part 51; the grip part 51 is preferably designed as a ring structure, but may be designed as required.
In addition, the top of the anti-disassembly cover 4 is provided with a placement groove 52, and when the position locking rod 5 leaves the insertion hole 42 and the position locking groove 12, one end of the position locking rod 5 can be inserted into the placement groove 52. The bottom end of the nut 1 penetrates out of the bottom end of the anti-disassembly cover 4, a first marking part 13 is arranged on the side face of the bottom end of the nut 1, and the edge of the anti-disassembly cover 4 horizontally extends out of the first marking part 13. The bottom edge of the anti-disassembly cover 4 is provided with a second mark part 43 which is aligned with the first mark part 13 after the insertion hole 42 and the locking slot 12 are aligned. First mark portion 13 includes horizontal pole and vertical set square, and this set square is the right angle set square, and 1 side of nut is connected to the one end of this horizontal pole, and outside the other end of horizontal pole extended the anti-disassembly cover 4, the set square is connected on the other end of horizontal pole. The second mark part 43 is a vertical plate, one side of the vertical plate is fixed on the bottom side surface of the anti-disassembly cover 4, and when the first mark part 13 and the second mark part 43 are aligned, the triangular plate is positioned outside the vertical plate, and the first mark part and the second mark part are on the same horizontal line.
The outer wall of the position locking rod 5 is provided with a first external thread, the inner walls of the jack 42, the position locking groove 12 and the placing groove 52 are provided with a first internal thread, the first internal thread is matched with the first external thread, and then the position locking rod 5 can be in threaded connection with the jack 42 and the position locking groove 12 or in threaded connection with the placing groove 52. And then improve the fastness and the stability of connecting, the difficult drop of pole 5 is locked.
During installation, the position locking rod 5 is inserted into the jack 42 and the position locking groove 12 to realize the connection between the screw cap 1 and the anti-disassembly cover 4, then the bottom end of the screw rod 2 penetrates through the connected piece 100, and then the nut 3 is screwed; pull out the position locking pole 5 after the installation, remove nut 1 and prevent tearing open the cover 4 be connected, rotate this moment and prevent tearing open cover 4, make jack 42 stagger with lock position groove 12, then insert position locking pole 5 to the arrangement groove 52 in, avoid losing, even press nut 1 this moment, rotate nut 2, nut 2 also can drive nut 1 and can't twist out in preventing tearing open 4 internal rotations of cover, and then realize the anti-disassembly function.
When the nut 1 is disassembled, the anti-disassembling cover 4 is rotated to align the first mark part 13 and the second mark part 43, at the moment, the inserting hole 42 is aligned with the locking groove 12, the locking rod 5 in the arranging groove 52 is taken down, the locking rod 5 is inserted into the inserting hole 42 and the locking groove 12, and the nut 1 and the anti-disassembling cover 4 are fixed together. At this time, the nut 1 and the screw rod 2 can be fixed by pressing the anti-disassembly cover 4, and the nut 3 can be taken down by rotating the nut 3.
The bolt can be used for furniture such as tables, chairs and the like or toys, and is mainly used for preventing children of 3-6 years old or mentally deficient people from loosening or falling off due to the fact that nuts or nuts are screwed randomly, and potential safety hazards are reduced.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. The utility model provides an anti-disassembly bolt, includes screw rod (2), nut (3) of nut (1), top coupling nut (1), the bottom of screw rod (2) is passed by connecting piece (100) threaded connection nut (3), its characterized in that: the top of the nut (1) is covered with an anti-disassembly cover (4), the anti-disassembly cover (4) is rotatably connected with the nut (1), an annular first raceway (41) is arranged on the inner wall of the anti-disassembly cover (4), a second raceway (11) is arranged on the outer side wall of the nut (1) close to the first raceway (41), and the nut further comprises a plurality of balls (6) which freely roll between the first raceway (41) and the second raceway (11); a locking groove (12) is formed in the side face of the nut (1), and a jack (42) which can be aligned with the locking groove (12) in a rotating mode is formed in the side face of the anti-disassembly cover (4); the locking device also comprises a locking rod (5) with one end inserted into the jack (42) and the locking groove (12) when the jack (42) and the locking groove (12) are aligned; the other end of the position locking rod (5) forms a holding part (51); a placing groove (52) for inserting one end of the locking rod (5) is formed in the top of the anti-dismounting cover (4); the bottom end of the nut (1) penetrates out of the bottom end of the anti-disassembly cover (4), and a first marking part (13) horizontally extending out of the edge of the anti-disassembly cover (4) is arranged on the side face of the bottom end of the nut (1); the bottom edge of the anti-disassembly cover (4) is provided with a second marking part (43) which is aligned with the first marking part (13) when the insertion hole (42) is aligned with the locking groove (12).
2. The anti-disassembly bolt of claim 1, wherein: the holding part (51) is of a ring structure.
3. The anti-disassembly bolt of claim 1, wherein: the outer wall of the position locking rod (5) is provided with a first external thread, and the inner walls of the jack (42), the position locking groove (12) and the placing groove (52) are provided with a first internal thread matched with the first external thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222552889.7U CN218266750U (en) | 2022-09-27 | 2022-09-27 | Anti-disassembly bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222552889.7U CN218266750U (en) | 2022-09-27 | 2022-09-27 | Anti-disassembly bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218266750U true CN218266750U (en) | 2023-01-10 |
Family
ID=84748878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222552889.7U Active CN218266750U (en) | 2022-09-27 | 2022-09-27 | Anti-disassembly bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218266750U (en) |
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2022
- 2022-09-27 CN CN202222552889.7U patent/CN218266750U/en active Active
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