CN211259299U - Anti-falling bolt assembly - Google Patents
Anti-falling bolt assembly Download PDFInfo
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- CN211259299U CN211259299U CN201921702970.0U CN201921702970U CN211259299U CN 211259299 U CN211259299 U CN 211259299U CN 201921702970 U CN201921702970 U CN 201921702970U CN 211259299 U CN211259299 U CN 211259299U
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Abstract
The utility model relates to an anti-drop bolt component, which comprises a bolt body, a nut and a self-locking mechanism; the bolt body comprises a nut, a fixing piece and a connecting piece which are connected in sequence; the fixing piece is used for fastening the nut; the nut, the fixing piece and the connecting piece are coaxially arranged; the self-locking mechanism comprises a first positioning piece and an elastic piece; the first positioning piece is arranged on one side of the connecting piece in a sliding manner; the first positioning piece is used for clamping the nut; one end of the elastic piece is connected with the first positioning piece, and the other end of the elastic piece is connected with the connecting piece. The nut of the anti-falling bolt assembly presses the first positioning piece and then fastens the fixing piece, and under the action of the elastic piece, the first positioning piece is slidably arranged on the fixing piece to enable the first positioning piece to be clamped with the nut, so that self-locking is realized, and the nut is prevented from automatically falling off; this anti-drop bolt assembly's simple structure, convenient to use, labour saving and time saving, security are high.
Description
Technical Field
The utility model relates to a machine parts technical field especially relates to an anti-drop bolt assembly.
Background
The bolt is a mechanical part, is a fastener structure consisting of a head part and a screw (a cylinder with external threads), needs to be matched with a nut, is used for fastening and connecting two parts with through holes, and is widely applied to connection of a power transmission line pole tower body and a ground wire hardware fitting. The conventional bolt is simple in structure, but the nut may gradually loosen and fall off in the environment of long-term galloping of the lead, so that the use stability is poor, and the safety cannot be guaranteed. Once the nut is loosened, the high-voltage lead can fall off and other serious results can be caused.
SUMMERY OF THE UTILITY MODEL
Therefore, it is necessary to provide an anti-falling bolt assembly with convenient operation and stable structure for solving the above problems.
An anti-drop bolt assembly comprises a bolt body, a nut and a self-locking mechanism; the bolt body comprises a nut, a fixing piece and a connecting piece which are connected in sequence; the fixing piece is used for fastening the nut; the nut, the fixing piece and the connecting piece are coaxially arranged; the self-locking mechanism comprises a first positioning piece and an elastic piece; the first positioning piece is arranged on one side of the connecting piece in a sliding mode; the first positioning piece is used for clamping the nut; one end of the elastic piece is connected with the first positioning piece, and the other end of the elastic piece is connected with the connecting piece.
The nut of the anti-drop bolt assembly of the utility model presses the first positioning piece and then fastens the fixing piece, and under the action of the elastic piece, the first positioning piece is slidably arranged on the fixing piece to enable the first positioning piece to be clamped with the nut, thereby realizing self-locking and preventing the nut from automatically dropping; this anti-drop bolt assembly's simple structure, convenient to use, labour saving and time saving, security are high.
In one embodiment, the cross-sectional width of the connector is less than or equal to the inner diameter of the nut.
In one embodiment, the fastener is threadedly coupled to the nut.
In one embodiment, the resilient member is a spring.
In one embodiment, the nut, the fixing member and the connecting member are integrally formed.
In one embodiment, the first positioning member is a cylinder.
In one embodiment, the first positioning member comprises a slope which slopes outwards from one end of the connecting member to one end of the fixing member; the length of one end of the first positioning piece close to the fixing piece is larger than that of the other end of the first positioning piece.
In one embodiment, the device further comprises a second positioning part; the second positioning piece is arranged on one side of the connecting piece in a sliding manner; one end of the elastic piece, which is far away from the first positioning piece, is connected with the second positioning piece.
An anti-drop bolt assembly comprises a bolt body, a nut and a self-locking mechanism; the bolt body comprises a nut, a fixing piece and a connecting piece which are connected in sequence; the fixing piece is used for fastening the nut; the nut, the fixing piece and the connecting piece are coaxially arranged; the self-locking mechanism comprises a first positioning piece and a first elastic piece; the first positioning piece is arranged on one side of the connecting piece in a sliding mode; the first positioning piece is used for clamping the nut; one end of the first elastic piece is connected with the first positioning piece, and the other end of the first elastic piece is connected with one end of the fixing piece.
In one embodiment, the device further comprises a second positioning part and a second elastic part; the second positioning piece is arranged on one side of the connecting piece in a sliding manner; one end of the second elastic piece is connected with the second positioning piece, and the other end of the second elastic piece is connected with one end of the fixing piece.
Drawings
Fig. 1 is a schematic view of a drop-off prevention bolt assembly according to a first embodiment of the present invention;
FIG. 2 is an assembled state view of the drop-off preventive bolt assembly shown in FIG. 1;
fig. 3 is a schematic view of a falling off preventive bolt assembly according to a second embodiment of the present invention;
FIG. 4 is an assembled state view of the drop-off preventive bolt assembly shown in FIG. 3;
fig. 5 is a schematic view of a fall-off preventing bolt assembly according to a third embodiment of the present invention.
Reference is made to the accompanying drawings in which:
the drop-off preventive bolt assembly 100;
the bolt comprises a bolt body 10, a nut 11, a fixing piece 12, a connecting piece 13, a nut 20, a self-locking mechanism 30, a first positioning piece 31, an elastic piece 32 and a second positioning piece 33;
the drop-off preventive bolt assembly 100 a;
the bolt comprises a bolt body 10a, a nut 11a, a fixing piece 12a, a connecting piece 13a, a nut 20a, a self-locking mechanism 30a, a first positioning piece 31a, an elastic piece 32a and a second positioning piece 33 a;
the drop-off preventive bolt assembly 100 b;
the bolt comprises a bolt body 10b, a nut 11b, a fixing piece 12b, a connecting piece 13b, a nut 20b, a self-locking mechanism 30b, a first positioning piece 31b, a first elastic piece 32b, a second positioning piece 33b and a second elastic piece 34 b.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully below. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
The first embodiment is as follows:
referring to fig. 1 and 2, an anti-falling bolt assembly 100 according to a first embodiment of the present invention includes a bolt body 10, a nut 20 and a self-locking mechanism 30; the bolt body 10 comprises a nut 11, a fixing piece 12 and a connecting piece 13 which are connected in sequence; the self-locking mechanism 30 comprises a first positioning piece 31 and an elastic piece 32; the utility model discloses an anti-drop bolt assembly 100's nut 20 supports and presses fastening mounting 12 behind first locating part 31, and under the effect of elastic component 32, first locating part 31 cunning is located mounting 12 and is made first locating part 31 joint nut 20, realizes the auto-lock, prevents that nut 20 from coming off automatically.
As shown in fig. 1, in the present embodiment, the bolt body 10 includes a nut 11, a fixing member 12 and a connecting member 13 connected in sequence; the nut 11, the fixing member 12 and the connecting member 13 are coaxially disposed so that the nut 20 is inserted therethrough. In order to ensure the firmness of the bolt body 10, the nut 11, the fixing member 12 and the connecting member 13 are integrally formed. The fixing member 12 is used for fastening the nut 20; optionally, nut 11 is a hex nut; the fixing piece 12 is in threaded connection with the nut 20; the connecting piece 13 is a hollow cylinder. Further, the cross-sectional width of the connecting member 13 is less than or equal to the inner diameter of the nut 20 so that the nut 20 is inserted therethrough. In other embodiments, the connecting member 13 is in the shape of a rectangular parallelepiped, a prism, or the like. In order to ensure the service life and firmness, the bolt body 10 and the nut 20 are both made of steel materials.
In one embodiment, the self-locking mechanism 30 includes a first positioning member 31 and an elastic member 32; the first positioning piece 31 is arranged on one side of the connecting piece 13 in a sliding way; the first positioning piece 31 is used for clamping the nut 20; one end of the elastic member 32 is connected to the first positioning member 31, and the other end is connected to the connecting member 13. Optionally, the first positioning element 31 is a cylinder for the nut 20 to slide; the elastic member 32 is a spring. When the nut 20 is moved from the fixing part 12 to the connecting part 13, the nut 20 presses against the first positioning part 31 to compress the elastic part 32; the nut 20 is inserted into the connecting member 13 and then the fixing member 12 is fastened, and at this time, the first positioning member 31 is protruded from the connecting member 13 by the elastic member 32 to prevent the nut 20 from being separated from the connecting member 13. In order to further fix the nut 20, the present drop-off preventive bolt assembly 100 further includes a second positioning member 33; the second positioning piece 33 is arranged at one side of the connecting piece 13 in a sliding way; the end of the elastic member 32 away from the first positioning member 31 is connected to the second positioning member 33. Optionally, the second positioning member 33 is a cylinder.
When the anti-falling bolt assembly 100 is used, as shown in fig. 2, when the nut 20 moves from the fixing member 12 to the connecting member 13, the nut 20 presses the first positioning member 31 and the second positioning member 33 to compress the elastic member 32; the nut 20 is inserted into the connecting member 13 and then the fixing member 12 is fastened, and at this time, the first positioning member 31 and the second positioning member 33 are respectively protruded from the connecting member 13 under the action of the elastic member 32 to prevent the nut 20 from being separated from the connecting member 13, thereby realizing self-locking.
The nut 20 of the anti-falling bolt assembly 100 of the present invention presses against the first positioning member 31 and then fastens the fixing member 12, and under the action of the elastic member 32, the first positioning member 31 is slidably disposed on the fixing member 12 so as to allow the first positioning member 31 to be engaged with the nut 20, thereby realizing self-locking and preventing the nut 20 from automatically falling off; the anti-falling bolt assembly 100 is simple in structure, convenient to use, time-saving, labor-saving and high in safety.
Example two:
referring to fig. 3 and 4, an anti-falling bolt assembly 100a according to a second embodiment of the present invention is similar to the anti-falling bolt assembly 100 of the previous embodiment, except that the first positioning element 31a of the anti-falling bolt assembly 100a of the present embodiment includes an inclined plane, the inclined plane inclines outward from one end of the connecting element 13a toward one end of the fixing element 12a, and the length of the end of the first positioning element 31a close to the fixing element 12a is greater than that of the other end, so that the nut 20a presses the first positioning element 31a when penetrating from the connecting element 13a to the fixing element 12 a. Optionally, the first positioning element 31a is wedge-shaped. In order to further fix the nut 20a, the anti-drop bolt assembly 100a further includes a second positioning member 33a, the second positioning member 33a is slidably disposed on one side of the connecting member 13a, and one end of the elastic member 32a away from the first positioning member 31a is connected to the second positioning member 33 a; the second positioning member 33a has the same structure as the first positioning member 31a, and will not be described in detail; in other embodiments, the first positioning member 31a has a trapezoidal cross section or the like.
Example three:
referring to fig. 5, an anti-falling bolt assembly 100b according to a third embodiment of the present invention is similar to the anti-falling bolt assembly 100a of the second embodiment, except that one end of the first elastic element 32b of the self-locking mechanism 30b of the anti-falling bolt assembly 100b of the present embodiment is connected to the first positioning element 31b, and the other end is connected to one end of the fixing element 12 b. Optionally, the first elastic element 32b is an elastic sheet. Further, the self-locking mechanism 30b further includes a second elastic member 34 b; one end of the second elastic member 34b is connected to the second positioning member 33b, and the other end is connected to one end of the fixing member 12 b. The first elastic member 32b and the second elastic member 34b are made of stainless steel; in other embodiments, the first positioning element 31b and the second positioning element 33b are both cylinders.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. An anti-drop bolt assembly is characterized by comprising a bolt body, a nut and a self-locking mechanism; the bolt body comprises a nut, a fixing piece and a connecting piece which are connected in sequence; the fixing piece is used for fastening the nut; the nut, the fixing piece and the connecting piece are coaxially arranged; the self-locking mechanism comprises a first positioning piece and an elastic piece; the first positioning piece is arranged on one side of the connecting piece in a sliding mode; the first positioning piece is used for clamping the nut; one end of the elastic piece is connected with the first positioning piece, and the other end of the elastic piece is connected with the connecting piece.
2. The drop-off preventing bolt assembly according to claim 1, wherein a sectional width of the connector is less than or equal to an inner diameter of the nut.
3. The fall-off preventive bolt assembly according to claim 1, wherein the fixing member is screw-coupled with a nut.
4. The fall-off preventive bolt assembly according to claim 1, wherein the elastic member is a spring.
5. The fall-off preventive bolt assembly according to claim 1, wherein the nut, the fixing member and the connecting member are integrally formed.
6. The fall-off preventive bolt assembly according to claim 1, wherein the first positioning member is a cylindrical body.
7. The drop-off preventing bolt assembly according to claim 1, wherein the first retainer includes a slope inclined outwardly from one end of the connector toward one end of the retainer; the length of one end of the first positioning piece close to the fixing piece is larger than that of the other end of the first positioning piece.
8. The fall-off preventive bolt assembly according to claim 1, further comprising a second positioning member; the second positioning piece is arranged on one side of the connecting piece in a sliding manner; one end of the elastic piece, which is far away from the first positioning piece, is connected with the second positioning piece.
9. An anti-drop bolt assembly is characterized by comprising a bolt body, a nut and a self-locking mechanism; the bolt body comprises a nut, a fixing piece and a connecting piece which are connected in sequence; the fixing piece is used for fastening the nut; the nut, the fixing piece and the connecting piece are coaxially arranged; the self-locking mechanism comprises a first positioning piece and a first elastic piece; the first positioning piece is arranged on one side of the connecting piece in a sliding mode; the first positioning piece is used for clamping the nut; one end of the first elastic piece is connected with the first positioning piece, and the other end of the first elastic piece is connected with one end of the fixing piece.
10. The fall-off preventive bolt assembly according to claim 9, further comprising a second positioning member and a second elastic member; the second positioning piece is arranged on one side of the connecting piece in a sliding manner; one end of the second elastic piece is connected with the second positioning piece, and the other end of the second elastic piece is connected with one end of the fixing piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921702970.0U CN211259299U (en) | 2019-10-11 | 2019-10-11 | Anti-falling bolt assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921702970.0U CN211259299U (en) | 2019-10-11 | 2019-10-11 | Anti-falling bolt assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211259299U true CN211259299U (en) | 2020-08-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921702970.0U Active CN211259299U (en) | 2019-10-11 | 2019-10-11 | Anti-falling bolt assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211259299U (en) |
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2019
- 2019-10-11 CN CN201921702970.0U patent/CN211259299U/en active Active
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Effective date of registration: 20200923 Address after: 510620 Tianhe District, Guangzhou, Tianhe South Road, No. two, No. 2, No. Patentee after: Guangzhou Power Supply Bureau of Guangdong Power Grid Co.,Ltd. Address before: 510620 Tianhe District, Guangzhou, Tianhe South Road, No. two, No. 2, No. Patentee before: GUANGZHOU POWER SUPPLY Co.,Ltd. |