CN211398176U - Bolt convenient to assemble and disassemble - Google Patents
Bolt convenient to assemble and disassemble Download PDFInfo
- Publication number
- CN211398176U CN211398176U CN201921765626.6U CN201921765626U CN211398176U CN 211398176 U CN211398176 U CN 211398176U CN 201921765626 U CN201921765626 U CN 201921765626U CN 211398176 U CN211398176 U CN 211398176U
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- expansion
- nut
- bolt
- connecting rod
- opening
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Abstract
A bolt convenient to mount and dismount relates to the technical field of fasteners; the expansion nut comprises a nut, an expansion sleeve, an expansion cone-shaped nut, an expansion opening, a connecting rod and an expansion bolt; the nut rotates at the upper end of the expansion bolt, the expansion cone-shaped nut is fixedly connected to the bottom of the expansion bolt, the expansion sleeve is arranged on the outer side of the expansion bolt and corresponds to the lower part of the nut, a plurality of groups of expansion openings are symmetrically distributed outside the expansion cone-shaped nut, a protection pad is arranged at the bottom of the nut, one end of the connecting rod is in contact with the protection pad, and the other end of the connecting rod penetrates through the interior of the expansion sleeve and is connected with the two sides of the expansion opening; the detachable floor has the advantages of simple structure, low manufacturing cost, convenient disassembly and repeated use, and is widely applicable to the industries and fields of ground, wall surfaces, road surfaces, industry, agriculture, social public and the like.
Description
Technical Field
The utility model relates to a fastener technical field, concretely relates to bolt easy to assemble dismantlement.
Background
The existing expansion bolts are various, but the principles are basically the same, so the expansion bolts have a common defect that the expansion bolts cannot be recycled. The expansion bolts are used for fixing objects on wall surfaces and ground, but after the objects are dismantled, the collision bolts are left, and the exposed parts of the bolts have great potential safety hazards. This may occur, for example, after removal of fences, width-limiting posts, warning posts, etc. from the road.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's defect and not enough, provide a bolt easy to assemble dismantlement, it has simple structure, low in cost, dismantles the advantage that the convenience alright used repeatedly, extensively is applicable to trades and fields such as ground, wall, road surface and industry, agriculture and social public.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the expansion nut comprises a nut 1, an expansion sleeve 2, an expansion cone-shaped nut 3, an expansion opening 4, a connecting rod 5 and an expansion bolt 6; nut 1 rotate in expansion bolts 6's upper end, 3 fixed connection in expansion bolts 6's bottom of expansion cone nut, expansion sleeve 2 sets up in expansion bolts 6's the outside, and corresponding to nut 1's below, the outside of the 4 symmetric distribution in expansion cone nut 3 of array expansion opening, nut 1's bottom be provided with protection pad 11, the one end and the protection pad 11 of connecting rod 5 contact, the other end of connecting rod 5 passes the inside of expansion sleeve 2 and is connected with expansion opening 4's both sides.
The inner side of the expansion sleeve 2 is provided with a threaded hole which is in threaded connection with the expansion bolt 6; and an opening structure is arranged at the lower end of the expansion casing 2 and below the threaded hole.
The top of the expansion opening 4 is provided with a connecting seat 41, the connecting seat 41 is fixedly connected with the connecting rod 5, and a bending plate is arranged at the position adjacent to the expansion opening 4.
The upper end of the outer part of the expansion sleeve 2 is provided with anti-skid teeth, and the inner part of the expansion sleeve 2 is provided with a through hole 51 matched with the connecting rod 5.
The surface of the expansion bolt 6 of the expansion cone-shaped nut 3 is provided with a barb.
The outside of the expansion opening 4 is provided with anti-skid grains.
The nut 1, the expansion sleeve 2, the expansion cone-shaped nut 3, the expansion opening 4, the connecting rod 5 and the expansion bolt 6 are all of rust-proof structures.
And the two ends of the expansion bolt 6 are respectively provided with a positive thread and a negative thread.
The utility model discloses a theory of operation: during the installation, beat a suitable hole with the mounted position, it is downthehole to put into expansion bolts 6, screw up nut 1 can, nut 1 is rotatory to be pressed down downwards, protection pad 11 drives connecting rod 5 downwardly extending, inflation opening 4 outwards expands, tightly paste with the outside mutually, it is more firm to make things convenient for fixing, need the adjustment, when changing and dismantling, loosen nut 1, nut 1's bottom protection pad 11 drives connecting rod 5 and rises, make inflation opening 4 keep the vertical state, thereby make things convenient for whole taking out, inflation sleeve 2 is provided with anti-skidding line and non-skid tooth with inflation opening 4's the outside, increase the frictional force to the stationary plane, it is more firm when making fixed.
After the technical scheme is adopted, the utility model discloses beneficial effect does: the detachable floor has the advantages of simple structure, low manufacturing cost, convenient disassembly and repeated use, and is widely applicable to the industries and fields of ground, wall surfaces, road surfaces, industry, agriculture, social public and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a top view corresponding to FIG. 3;
FIG. 3 is a front view corresponding to FIG. 2;
fig. 4 is a schematic structural view of the nut 1 according to the present invention;
fig. 5 is a schematic structural view of the middle expansion casing 2 according to the present invention;
fig. 6 is a schematic structural view of the expansion opening of the present invention.
Description of reference numerals: the expansion nut comprises a nut 1, an expansion sleeve 2, an expansion cone-shaped nut 3, an expansion opening 4, a connecting rod 5, an expansion bolt 6, a protective pad 11, a connecting seat 41 and a through hole 51.
Detailed Description
Referring to fig. 1 to 6, the technical solution adopted by the present embodiment is: the expansion nut comprises a nut 1, an expansion sleeve 2, an expansion cone-shaped nut 3, an expansion opening 4, a connecting rod 5 and an expansion bolt 6; the nut 1 rotates at the upper end of the expansion bolt 6, the expansion cone-shaped nut 3 is fixedly connected to the bottom of the expansion bolt 6, the expansion sleeve 2 is arranged on the outer side of the expansion bolt 6 and corresponds to the lower part of the nut 1, a plurality of groups of expansion openings 4 are symmetrically distributed outside the expansion cone-shaped nut 3, a protective pad 11 is arranged at the bottom of the nut 1, one end of the connecting rod 5 is in contact with the protective pad 11, and the other end of the connecting rod 5 penetrates through the interior of the expansion sleeve 2 and is connected with two sides of the expansion openings 4; the inner side of the expansion sleeve 2 is provided with a threaded hole which is in threaded connection with the expansion bolt 6; an opening structure is arranged at the lower end of the expansion casing 2 and below the threaded hole; the top of the expansion opening 4 is provided with a connecting seat 41, the connecting seat 41 is fixedly connected with the connecting rod 5, and a bending plate is arranged at the position adjacent to the expansion opening 4; the outer upper end of the expansion sleeve 2 is provided with anti-skidding teeth, so that the friction force on a fixed surface is increased, and the fixation is more stable. The expansion casing 2 is internally provided with a through hole 51 matched with the connecting rod 5; the surface of the expansion bolt 6 of the expansion cone-shaped nut 3 is provided with a barb. The friction force to the fixed surface is increased, so that the fixation is more stable; the outside of the expansion opening 4 is provided with anti-skid grains. The friction force to the fixed surface is increased, so that the fixation is more stable; the nut 1, the expansion sleeve 2, the expansion cone-shaped nut 3, the expansion opening 4, the connecting rod 5 and the expansion bolt 6 are all of rust-proof structures. The expansion screw is prevented from rusting due to external moisture, and the disassembly and the reuse are prevented from being influenced; and the two ends of the expansion bolt 6 are respectively provided with a positive thread and a negative thread.
The utility model discloses a theory of operation: during the installation, beat a suitable hole with the mounted position, it is downthehole to put into expansion bolts 6, screw up nut 1 can, nut 1 is rotatory to be pressed down downwards, protection pad 11 drives connecting rod 5 downwardly extending, inflation opening 4 outwards expands, tightly paste with the outside mutually, it is more firm to make things convenient for fixing, need the adjustment, when changing and dismantling, loosen nut 1, nut 1's bottom protection pad 11 drives connecting rod 5 and rises, make inflation opening 4 keep the vertical state, thereby make things convenient for whole taking out, inflation sleeve 2 is provided with anti-skidding line and non-skid tooth with inflation opening 4's the outside, increase the frictional force to the stationary plane, it is more firm when making fixed.
After the technical scheme is adopted, the utility model discloses beneficial effect does: the detachable floor has the advantages of simple structure, low manufacturing cost, convenient disassembly and repeated use, and is widely applicable to the industries and fields of ground, wall surfaces, road surfaces, industry, agriculture, social public and the like.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (8)
1. The utility model provides a bolt easy to assemble dismantlement which characterized in that: the expansion nut comprises a nut (1), an expansion sleeve (2), an expansion cone-shaped nut (3), an expansion opening (4), a connecting rod (5) and an expansion bolt (6); nut (1) rotatory in the upper end of expansion bolts (6), inflation cone nut (3) fixed connection is in the bottom of expansion bolts (6), expansion sleeve (2) set up in the outside of expansion bolts (6), and corresponding to the below of nut (1), array expansion opening (4) symmetric distribution is in the outside of inflation cone nut (3), the bottom of nut (1) be provided with protection pad (11), the one end and the protection pad (11) of connecting rod (5) contact, the both sides that the inside that the other end of connecting rod (5) passed expansion sleeve (2) is connected with inflation opening (4).
2. The bolt convenient to mount and dismount as claimed in claim 1, wherein: the inner side of the expansion sleeve (2) is provided with a threaded hole, and the threaded hole is in threaded connection with the expansion bolt (6); and an opening structure is arranged at the lower end of the expansion sleeve (2) and below the threaded hole.
3. The bolt convenient to mount and dismount as claimed in claim 1, wherein: the top of the expansion opening (4) is provided with a connecting seat (41), the connecting seat (41) is fixedly connected with the connecting rod (5), and a bending plate is arranged at the position adjacent to the expansion opening (4).
4. The bolt convenient to mount and dismount as claimed in claim 1, wherein: the anti-skidding tooth is arranged at the upper end of the outer part of the expansion sleeve (2), and the through hole (51) matched with the connecting rod (5) is formed in the expansion sleeve (2).
5. The bolt convenient to mount and dismount as claimed in claim 1, wherein: the surface of the expansion bolt (6) of the expansion cone-shaped nut (3) is provided with a barb.
6. The bolt convenient to mount and dismount as claimed in claim 1, wherein: the outer side of the expansion opening (4) is provided with anti-skid lines.
7. The bolt convenient to mount and dismount as claimed in claim 1, wherein: the nut (1), the expansion sleeve (2), the expansion cone nut (3), the expansion opening (4), the connecting rod (5) and the expansion bolt (6) are all of rust-proof structures.
8. The bolt convenient to mount and dismount as claimed in claim 1, wherein: and both ends of the expansion bolt (6) are respectively provided with a positive thread and a negative thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921765626.6U CN211398176U (en) | 2019-10-21 | 2019-10-21 | Bolt convenient to assemble and disassemble |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921765626.6U CN211398176U (en) | 2019-10-21 | 2019-10-21 | Bolt convenient to assemble and disassemble |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211398176U true CN211398176U (en) | 2020-09-01 |
Family
ID=72207946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921765626.6U Active CN211398176U (en) | 2019-10-21 | 2019-10-21 | Bolt convenient to assemble and disassemble |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211398176U (en) |
-
2019
- 2019-10-21 CN CN201921765626.6U patent/CN211398176U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221219 Address after: 201,702 101, Building 1, No. 96, Lane 1520, Jiugan Road, Sijing Town, Songjiang District, Shanghai Patentee after: SHANGHAI JISHENG MAGNETIC MATERIALS CO.,LTD. Address before: 211169 No. 100, Ge Zhi Road, Jiangning District, Nanjing, Jiangsu. Patentee before: JINLING INSTITUTE OF TECHNOLOGY |