CN216112655U - Quick detach formula dysmorphism bolt structure - Google Patents
Quick detach formula dysmorphism bolt structure Download PDFInfo
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- CN216112655U CN216112655U CN202122444106.9U CN202122444106U CN216112655U CN 216112655 U CN216112655 U CN 216112655U CN 202122444106 U CN202122444106 U CN 202122444106U CN 216112655 U CN216112655 U CN 216112655U
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- shaped bolt
- shaft pin
- release type
- flange
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Abstract
The utility model relates to a quick-release type special-shaped bolt structure which comprises a shaft pin, a 7-shaped bolt used for connecting two flanges and a quick-release type handle used for fastening the two flanges, wherein the quick-release type handle is provided with an eccentric structure, the eccentric structure is provided with a round hole, the shaft pin is arranged in the round hole in a penetrating manner, the middle position of the shaft pin is provided with a threaded hole vertical to the central axis of the shaft pin, the threaded hole penetrates through the shaft pin, and the end part of the long edge of the 7-shaped bolt is hinged with the shaft pin through the threaded hole; after the long edge of the 7-shaped bolt penetrates through the edges of the two flanges, the eccentric structure is driven to rotate around the shaft pin through the quick-release handle, so that the two flanges can be quickly mounted and dismounted. The flange can be effectively fastened and quickly disassembled, and the problem that the flange at a narrow position is difficult to fasten and disassemble is further solved; the operation is simple when the device is used by one hand, and the working efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of special-shaped bolts, in particular to a quick-release special-shaped bolt structure.
Background
The joints of two pipes (such as water pipes) in all pipeline systems are usually connected by adopting flanges, are positioned at the tail ends of the pipeline systems and are usually connected by adopting blind flanges and pipeline flanges, so that the maintenance system and the liquid filling use are convenient. At present, common bolts and nuts are generally adopted between two pipeline flanges and between a blind flange and the pipeline flange to fasten the two pipeline flanges together. However, the flange needs to be frequently disassembled and assembled, 2 wrenches are needed to be used for respectively acting on the bolt head and the nut when the flange is fastened and disassembled, generally, an installer needs to cooperate with two hands to fasten or disassemble the bolt and the nut, and meanwhile, enough operation space is required; when the construction space position is limited or needs to be frequently disassembled and overhauled, the spanner is very inconvenient to use, and the flange is very difficult to fasten and disassemble.
SUMMERY OF THE UTILITY MODEL
Aiming at the existing problems, the utility model provides a quick-release special-shaped bolt structure which not only can effectively fasten a flange, but also can quickly disassemble and assemble the flange, and further solves the problem that the flange at a narrow position is difficult to fasten and disassemble; and the use and operation are simple, and the working efficiency is improved.
The technical scheme of the utility model is realized as follows:
a quick-release special-shaped bolt structure comprises a shaft pin, a 7-shaped bolt used for connecting two flanges and a quick-release handle used for fastening the two flanges, wherein an eccentric structure is arranged on the quick-release handle, a round hole is formed in the eccentric structure, the shaft pin penetrates through the round hole, a threaded hole perpendicular to the central axis of the shaft pin is formed in the middle of the shaft pin, the threaded hole penetrates through the shaft pin, and the end part of the long edge of the 7-shaped bolt is hinged with the shaft pin through the threaded hole; after the long edge of the 7-shaped bolt penetrates through the edges of the two flanges, the quick-release handle drives the eccentric structure to rotate around the shaft pin so as to quickly mount and dismount the two flanges.
Preferably, the long and short side connecting part of the 7-shaped bolt and the tail end of the short side of the 7-shaped bolt are both provided with a right-angle hook.
Preferably, the minimum spacing between the outer sides of the two right-angle hooks is 2-5mm larger than the minimum spacing from the flange bolt hole to the flange edge.
Preferably, the 7-shaped bolt is made of bendable solid round steel which is not easy to break.
Preferably, gaskets are arranged between the short edge of the 7-shaped bolt and the upper surface of the flange and between the quick-release handle and the lower surface of the flange.
Preferably, the gasket is made of a compressible elastic material.
Preferably, the quick-release handle comprises two L-shaped plates, the eccentric structure is arranged at the corners of the L-shaped plates, and the long-edge end parts of the two L-shaped plates are connected through toggle plates to form the quick-release handle.
Preferably, the two L-shaped plates are sleeved on the middle section of the shaft pin, and the diameter of the middle section of the shaft pin is smaller than that of the round hole in the eccentric structure.
Preferably, the diameter of both ends of the shaft pin is larger than that of the round hole on the eccentric structure.
Preferably, a nut is arranged at the joint of the long side and the short side of the 7-shaped bolt, and the tail ends of the short sides of the 7-shaped bolt are provided with right-angled hooks.
Compared with the prior art, the utility model has the following advantages:
according to the quick-release special-shaped bolt structure, after the long edge of the 7-shaped bolt penetrates through the edges of the two flanges, the eccentric structure is driven to rotate around the shaft pin through the quick-release handle, so that the two flanges are quickly mounted and dismounted, and the problem that the flanges in narrow positions are difficult to fasten and dismount is further solved; under the prerequisite of no spanner effect, drive eccentric structure round through quick detach formula handle the pivot rotates and realizes that one-hand operation fastens and dismouting flange, and is simple to use, improves the operating efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and 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 creative efforts.
FIG. 1 is a schematic view of a quick-release type special-shaped bolt structure of the utility model when fastening a flange;
FIG. 2 is a schematic view of a locking state of the quick-release type special-shaped bolt structure according to the present invention;
FIG. 3 is a schematic view of a loose state of the quick-release type special-shaped bolt structure according to the present invention;
FIG. 4 is a top view of the quick release handle and the shaft pin of the quick release type special-shaped bolt structure of the present invention;
FIG. 5 is a schematic view of an eccentric structure of the quick-release type special-shaped bolt structure according to the present invention;
FIG. 6 is a schematic view of the arrangement of nuts at the connection of the long and short sides of the 7-shaped bolt according to the present invention.
The attached drawings are as follows:
1. a 7-shaped bolt; 11. a right-angled hook; 12. a nut; 2. a shaft pin; 21. a threaded hole; 3. a quick release handle; 31. an L-shaped plate; 311. an eccentric structure; 312. a circular hole; 32. a toggle plate; 4. and (7) a gasket.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 4, the quick-release special-shaped bolt structure provided by the present invention includes a shaft pin 2, a "7" shaped bolt 1 for connecting two flanges, and a quick-release handle 3 for fastening the two flanges, wherein an eccentric structure 311 is disposed on the quick-release handle 3, a round hole 312 is disposed on the eccentric structure 311, the shaft pin 2 penetrates through the round hole 312, a threaded hole 21 perpendicular to a central axis of the shaft pin 2 is disposed at a middle position of the shaft pin 2, the threaded hole 21 penetrates through the shaft pin 2, and a long side end of the "7" shaped bolt 1 is hinged to the shaft pin 2 through the threaded hole 21; after the long edge of the 7-shaped bolt 1 penetrates through the edges of the two flanges, the eccentric structure 311 is driven to rotate around the shaft pin 2 through the quick-release handle 3, so that the two flanges can be quickly mounted and dismounted.
The quick-dismantling special-shaped bolt structure can be used for quickly dismantling and dismantling two pipeline flanges, a blind flange and a pipeline flange. In the embodiment, the blind flange and the pipeline flange are fastened by using a quick-release special-shaped bolt structure; because the quick-release handle 3 is provided with the eccentric structure 311 and the shaft pin 2 penetrates through the round hole 312 on the eccentric structure 311, the quick-release handle 3 can drive the eccentric structure 311 to rotate around the shaft pin 2; because "7" style of calligraphy bolt 1 passes blind flange and pipeline flange in proper order, and the long limit tip of "7" style of calligraphy bolt 1 passes through screw hole 21 on the pivot 2 and is articulated with pivot 2, consequently can drive eccentric structure 311 through quick detach formula handle 3 and rotate around pivot 2 to quick fastening and quick dismantlement blind flange and pipeline flange.
When the 7-shaped bolt 1 sequentially penetrates through the blind flange and the pipeline flange and the lower surface of the short side of the 7-shaped bolt 1 is tightly attached to the upper surface of the blind flange, the quick-release handle 3 drives the eccentric structure 311 to rotate around the shaft pin 2, so that the quick-release handle 3 is parallel to the long side of the 7-shaped bolt 1, and at the moment, due to the eccentric arrangement of the eccentric structure 311, the pipeline flange is extruded by the quick-release handle 3, and locking force is formed to fasten the two flanges; the quick-release handle 3 drives the eccentric structure 311 to rotate upwards around the shaft pin 2, so that the quick-release handle 3 is perpendicular to the long edge of the 7-shaped bolt 1, and at the moment, due to the eccentric arrangement of the eccentric structure 311, the quick-release handle 3 releases extrusion on the pipeline flange; at the moment, the shaft pin 2 rotates around the bolt 1 in the shape of the Chinese character '7' to loosen the quick-dismantling special-shaped bolt structure, so that the blind flange and the pipeline flange are quickly dismantled.
The further improvement lies in that the connecting part of the long side and the short side of the 7-shaped bolt 1 and the tail end of the short side of the 7-shaped bolt 1 are both provided with a right-angle hook 11.
Specifically, in the embodiment, as shown in fig. 1, the right-angled hook 11 is arranged at the connection position of the long side and the short side of the 7-shaped bolt 1, so that the connection position of the long side and the short side is ensured to be better connected, and the connection position is prevented from being too sharp and accidentally injuring operators; the end of the short side of the 7-shaped bolt 1 is provided with a right-angle hook 11, the right-angle hook 11 is abutted against the edge of the blind flange, so that the short side of the 7-shaped bolt 1 is fastened on the blind flange, and the phenomenon that the operator is accidentally injured due to too sharp arrangement of the joint is avoided.
The further improvement is that the distance between the two right-angle hooks 11 in the 7-shaped bolt 1 is determined according to the national standard flange standard; therefore, according to the national flange standard, the minimum distance between the outer sides of the two right-angle hooks 11 is set to be 2-5mm larger than the minimum distance between the flange bolt hole and the flange edge.
When the minimum distance between the outer sides of the two right-angle hooks 11 is larger than the minimum distance from the flange bolt hole to the flange edge by less than 2mm, although the right-angle hooks 11 at the tail ends of the short sides of the 7-shaped bolts 1 can be tightly close to the edge of the blind flange, the short sides of the 7-shaped bolts 1 can be separated from the upper surface of the blind flange; when the minimum distance between the outer sides of the two right-angle hooks 11 is more than 5mm larger than the minimum distance between the flange bolt hole and the flange edge, although the short side of the 7-shaped bolt 1 can be tightly attached to the upper surface of the blind flange, the right-angle hooks 11 at the tail ends of the short sides of the 7-shaped bolt 1 are far away from the edge of the blind flange.
Therefore, in order to fasten the blind flange by the upper surface of the blind flange being closely attached to the short side of the 7-shaped bolt 1 and the rectangular hooks 11 at the end of the short side of the 7-shaped bolt 1 being closely attached to the edge of the blind flange, the minimum interval between the outer sides of the two rectangular hooks 11 is set to be 2-5mm larger than the minimum interval from the flange bolt hole to the flange edge.
In the present embodiment, the material of the "7" -shaped bolt 1 is a solid round steel which is bendable and not easy to break, so that the "7" -shaped bolt 1 can be made of a solid round steel made of stainless steel or carbon steel, and the adopted stainless steel or carbon steel is bendable and not easy to break, so that the structural strength of the "7" -shaped bolt 1 is high.
The further improvement lies in that gaskets 4 are arranged between the short edge of the 7-shaped bolt 1 and the upper surface of the flange and between the quick-release handle 3 and the lower surface of the flange.
Specifically, a gasket 4 is arranged between the short edge of the 7-shaped bolt 1 and the upper surface of the flange, so that the hook of the 7-shaped bolt 1 is prevented from being clamped at the edge of a bolt hole, and the blind flange is ensured to be fastened without leakage; all be equipped with gasket 4 between quick detach formula handle 3 and the flange lower surface, avoided because quick detach formula handle 3 drives eccentric structure 311 and is not hard up around quick detach formula handle 3 when pivot 2 rotates, also be convenient for operate quick detach formula handle 3.
The further improvement is that the gasket 4 is made of compressible elastic material. In this embodiment, the gasket 4 may be made of hard plastic, rubber material or steel elastic gasket, which are all made of compressible elastic material, and under the action of the elastic material, the gasket can be buffered when the short side of the 7-shaped bolt 1 is pressed against the upper surface of the flange and the quick release handle 3 is pressed against the lower surface of the flange.
In a further improvement, as shown in fig. 5, the quick release handle 3 comprises two L-shaped plates 31, an eccentric structure 311 is arranged at the corner of the L-shaped plates 31, and the long-side ends of the two L-shaped plates 31 are connected through a toggle plate 32 to form the quick release handle 3.
Specifically, in the present embodiment, the center of the circular hole 312 is located at the center of the short side of the L-shaped plate 31, the corner of the L-shaped plate 31 is a transition circular arc, and the center of the transition circular arc is closer to the end of the short side relative to the center of the circular hole 312, so that the center of the transition circular arc and the center of the circular hole 312 generate an eccentric value, and the eccentric value is designed according to the elastic shrinkage of the gasket 4 because the compressible gasket 4 is arranged between the quick release handle 3 and the lower surface of the flange; the eccentric structure 311 of the embodiment is formed by the round hole 312 and the transition arc eccentric to the round hole 312, the eccentric structure 311 is driven to rotate around the shaft pin 2 by the quick-release handle 3 through the eccentric value of the eccentric structure 311, and when the quick-release handle 3 is parallel to the long edge of the bolt 1 shaped like a Chinese character '7', the pipeline flange is extruded by the quick-release handle 3 to form locking force to fasten the two flanges; when the quick-release handle 3 is perpendicular to the long side of the bolt 1 shaped like a Chinese character '7', the quick-release handle 3 releases the extrusion on the pipeline flange.
In particular, since the ends of the long sides of the two L-shaped plates 31 are connected by the toggle plate 32 to form the quick release handle 3, the arrangement of the toggle plate 32 improves the structural strength and structural integrity of the quick release handle 3.
The further improvement lies in that the two L-shaped plates 31 are sleeved on the middle section of the shaft pin 2, and the diameter of the middle section of the shaft pin 2 is smaller than the diameter of the round hole 312 on the eccentric structure 311, so that it is ensured that the quick-release handle 3 can drive the eccentric structure 311 to rotate around the shaft pin 2.
The further improvement is that the diameter of the two ends of the shaft pin 2 is larger than the diameter of the round hole 312 on the eccentric structure 311, so as to prevent the shaft pin 2 from falling off from the round hole 312 of the quick-release handle 3.
In another embodiment of the present invention, as shown in fig. 6, the difference from the above embodiment is the arrangement of the long and short side connection of the 7 "shaped bolt 1. In this embodiment, a nut 12 is arranged at the joint of the long side and the short side of the 7-shaped bolt 1, and the ends of the short sides of the 7-shaped bolt 1 are provided with right-angled hooks 11.
Specifically, a nut 12 is arranged at the joint of the long side and the short side of the 7-shaped bolt 1, so that the structure can bear large tensile force; the end of the short side of the 7-shaped bolt 1 is provided with a right-angle hook 11, the right-angle hook 11 is abutted against the edge of the blind flange, so that the short side of the 7-shaped bolt 1 is fastened on the blind flange, and the phenomenon that the operator is accidentally injured due to too sharp arrangement of the joint is avoided.
In conclusion, after the long edge of the 7-shaped bolt penetrates through the edges of the two flanges, the quick-release special-shaped bolt structure drives the eccentric structure to rotate around the shaft pin through the quick-release handle so as to quickly release the two flanges, and further solve the problem that the flanges in narrow positions are difficult to fasten and disassemble; under the prerequisite of no spanner effect, drive eccentric structure round through quick detach formula handle the pivot rotates and realizes that one-hand operation fastens and dismouting flange, and is simple to use, improves the operating efficiency.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A quick-release type special-shaped bolt structure is characterized in that,
the quick-release type flange connecting device comprises a shaft pin (2), a 7-shaped bolt (1) used for connecting two flanges and a quick-release type handle (3) used for fastening the two flanges, wherein an eccentric structure (311) is arranged on the quick-release type handle (3), a round hole (312) is formed in the eccentric structure (311), the shaft pin (2) penetrates through the round hole (312), a threaded hole (21) perpendicular to the central axis of the shaft pin (2) is formed in the middle of the shaft pin (2), the threaded hole (21) penetrates through the shaft pin (2), and the end part of the long side of the 7-shaped bolt (1) is hinged to the shaft pin (2) through the threaded hole (21); after the long edge of the 7-shaped bolt (1) penetrates through the edges of the two flanges, the quick-release handle (3) drives the eccentric structure (311) to rotate around the shaft pin (2) so as to quickly mount and dismount the two flanges.
2. The quick-release type special-shaped bolt structure according to claim 1,
the long and short side connecting part of the 7-shaped bolt (1) and the short side tail end of the 7-shaped bolt (1) are provided with right-angle hooks (11).
3. The quick-release type special-shaped bolt structure according to claim 2,
the minimum distance between the outer sides of the two right-angle hooks (11) is 2-5mm larger than the minimum distance between the flange bolt hole and the flange edge.
4. The quick-release type special-shaped bolt structure according to claim 2,
the 7-shaped bolt (1) is made of bendable solid round steel and is not easy to break.
5. The quick-release type special-shaped bolt structure according to claim 1,
gaskets (4) are arranged between the short edge of the 7-shaped bolt (1) and the upper surface of the flange and between the quick-release handle (3) and the lower surface of the flange.
6. The quick-release type special-shaped bolt structure according to claim 5,
the gasket (4) is made of compressible elastic material.
7. The quick-release type special-shaped bolt structure according to claim 1,
quick detach formula handle (3) include two L templates (31), eccentric structure (311) are located the corner of L template (31), the long limit tip of two L templates (31) passes through bracket (32) and connects in order to form quick detach formula handle (3).
8. The quick-release type special-shaped bolt structure according to claim 7,
the two L-shaped plates (31) are sleeved on the middle section of the shaft pin (2), and the diameter of the middle section of the shaft pin (2) is smaller than that of the round hole (312) on the eccentric structure (311).
9. The quick-release type special-shaped bolt structure according to claim 8,
the diameters of the two ends of the shaft pin (2) are larger than the diameter of the round hole (312) on the eccentric structure (311).
10. The quick-release type special-shaped bolt structure according to claim 1,
a nut (12) is arranged at the joint of the long side and the short side of the 7-shaped bolt (1), and right-angle hooks (11) are arranged at the tail ends of the short sides of the 7-shaped bolt (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122444106.9U CN216112655U (en) | 2021-10-11 | 2021-10-11 | Quick detach formula dysmorphism bolt structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122444106.9U CN216112655U (en) | 2021-10-11 | 2021-10-11 | Quick detach formula dysmorphism bolt structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216112655U true CN216112655U (en) | 2022-03-22 |
Family
ID=80691783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122444106.9U Active CN216112655U (en) | 2021-10-11 | 2021-10-11 | Quick detach formula dysmorphism bolt structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216112655U (en) |
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2021
- 2021-10-11 CN CN202122444106.9U patent/CN216112655U/en active Active
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