CN213839182U - Novel high-strength anti-seismic inverted cone anchor bolt - Google Patents
Novel high-strength anti-seismic inverted cone anchor bolt Download PDFInfo
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- CN213839182U CN213839182U CN202022509738.4U CN202022509738U CN213839182U CN 213839182 U CN213839182 U CN 213839182U CN 202022509738 U CN202022509738 U CN 202022509738U CN 213839182 U CN213839182 U CN 213839182U
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Abstract
The utility model discloses a novel high strength antidetonation back taper crab-bolt, including the crab-bolt body, the crab-bolt body includes the screw thread section, linkage segment and reducing section, the upper end integrated into one piece of screw thread section has the boss of regular hexagon shape, both sides all are provided with the wedge surface around the reducing section lower extreme, be provided with a plurality of first annular grooves that distribute from top to bottom on the outer wall of linkage segment, be provided with a plurality of annular concave surfaces that distribute along the length direction of reducing section on the reducing section, form the transition surface between two adjacent annular concave surfaces, each annular concave surface all includes first conical surface and second conical surface, be provided with a plurality of second annular grooves that distribute from top to bottom on the outer wall of second conical surface, be provided with a plurality of counter bores that are array-like distribution on the periphery wall of transition surface; the utility model discloses can improve the bonding firmness of crab-bolt body and wall body, and then can improve the tensile strength of crab-bolt body.
Description
Technical Field
The utility model relates to a fastener technical field, concretely relates to novel high strength antidetonation back taper crab-bolt.
Background
The anchor bolt is a common fixing part in daily life, and an anchor bolt fixed in a curing agent solidification mode appears in the market at present, for example, Chinese patent publication No: CN208185172U announces a novel antidetonation back taper crab-bolt, this kind of crab-bolt is when using, and back in the mounting hole that the crab-bolt inserted in the wall body, the crab-bolt passes through curing agent and wall body bonding, but this kind of crab-bolt is because the area of contact with the curing agent is less relatively, so, has the shortcoming that crab-bolt and wall body bonding firmness are poor, receives the pulling force to act on when the crab-bolt promptly, appears the crab-bolt easily and is followed the phenomenon of being pulled out in the mounting hole to there is the shortcoming of poor reliability.
SUMMERY OF THE UTILITY MODEL
The utility model is not enough to prior art, the utility model provides a novel high strength antidetonation back taper crab-bolt, it is through setting up first annular groove on the linkage segment, set up the second annular groove on the second conical surface, and set up the counter bore on the transition face after, granule in curing agent and the curing agent can enter into first annular groove, in second annular groove and the counter bore, so, can increase the area of contact of granule in curing agent and the curing agent and crab-bolt body, thereby can improve the bonding firmness of crab-bolt body and wall body, and then can improve the tensile strength of crab-bolt body.
The utility model discloses a novel high strength antidetonation back taper crab-bolt, including the crab-bolt body, the crab-bolt body includes the screw thread section, linkage segment and reducing section, the upper end of linkage segment is connected with the lower extreme of screw thread section and is connected with an organic whole with the upper end of reducing section, the upper end integrated into one piece of screw thread section has the boss of regular hexagon shape, the boss is used for being connected with the output of rotatory vibrator, both sides are provided with the wedge face around the reducing section lower extreme, be provided with a plurality of first annular grooves that distribute from top to bottom on the outer wall of linkage segment, be provided with a plurality of annular concave surfaces that distribute along the length direction of reducing section on the reducing section, form the transition surface between two adjacent annular concave surfaces, every annular concave surface all includes first conical surface and second conical surface, the lower extreme of first conical surface meets with the upper end of second conical surface, first conical surface from top to bottom shrinks gradually, the second conical surface expands gradually from top to bottom, is provided with a plurality of second annular grooves that distribute from top to bottom on the outer wall of second conical surface, is provided with a plurality of counter bores that are array form and distribute on the periphery wall of transition surface.
The utility model discloses a novel high-strength anti-seismic inverted cone anchor bolt, wherein, the vertical section of each first annular groove is a V-shaped structure; after the first annular groove in the form is adopted, the structural strength of the connecting section can be improved, the contact area between the curing agent and particles in the curing agent and the first annular groove can be increased, and therefore the bonding strength between the connecting section and the mounting hole can be improved.
The utility model discloses a novel high-strength anti-seismic inverted cone anchor bolt, wherein, the vertical section of each second annular groove is a V-shaped structure; after the second annular groove adopting the form, the structural strength of the reducing section can be improved, and the contact area between the curing agent and particles in the curing agent and the second annular groove can be increased, so that the bonding strength between the reducing section and the mounting hole can be improved.
The utility model discloses a novel high strength antidetonation back taper crab-bolt, wherein, every counter bore is circular column structure; by adopting the structure, the processing method has the advantage of convenient processing of the counter bore.
The utility model discloses a set up first annular groove on the linkage segment, set up the second annular groove on the second conical surface, and after setting up the counter bore on the transition surface, granule in curing agent and the curing agent can enter into first annular groove, second annular groove and counter bore, so, can increase the area of contact of granule in curing agent and the curing agent and crab-bolt body, thereby can improve the bonding firmness of crab-bolt body and wall body, and then can improve the tensile strength of crab-bolt body; in addition, through the setting of first annular groove, can improve the structural strength of linkage segment, through the setting of second annular groove, can improve the structural strength of the reducing section of second toper face position department, through the setting of counter bore, can improve the structural strength of the reducing section of transition face position department.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic view of the structure of the present invention;
fig. 2 is a schematic diagram of the structure viewed from the right side of the present invention.
Detailed Description
In the following description, numerous implementation details are set forth in order to provide a more thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model discloses a novel high strength antidetonation back taper crab-bolt, including crab-bolt body 1, crab-bolt body 1 includes screw thread section 11, linkage segment 12 and reducing section 13, the upper end of linkage segment 12 is connected with the lower extreme of screw thread section 11 and is connected with the upper end of reducing section 13, screw thread section 11's upper end integrated into one piece has positive hexagonal shape boss 111, boss 111 is used for being connected with the output of rotatory vibrator, both sides are provided with wedge 131 around reducing section 13 lower extreme, be provided with a plurality of first annular groove 121 that distribute from top to bottom on linkage segment 12's the outer wall, be provided with a plurality of annular concave surfaces 132 that distribute along the length direction of reducing section 13 on reducing section 13, form transition face 133 between two adjacent annular concave surfaces 132, every annular concave surface 132 all includes first conical surface 1321 and second conical surface 1322, the lower extreme of first conical surface 1321 meets with the upper end of second conical surface, the first conical surface 1321 gradually contracts from top to bottom, the second conical surface 1322 gradually expands from top to bottom, a plurality of second annular grooves 1323 which are distributed from top to bottom are formed in the outer wall of the second conical surface 1322, and a plurality of counter bores 1331 which are distributed in an array shape are formed in the outer peripheral wall of the transition surface 133.
The vertical section of each first annular groove 121 is of a V-shaped structure; after the first annular groove in the form is adopted, the structural strength of the connecting section can be improved, the contact area between the curing agent and particles in the curing agent and the first annular groove can be increased, and therefore the bonding strength between the connecting section and the mounting hole can be improved.
The vertical section of each second annular groove 1323 is of a V-shaped structure; after the second annular groove adopting the form, the structural strength of the reducing section can be improved, and the contact area between the curing agent and particles in the curing agent and the second annular groove can be increased, so that the bonding strength between the reducing section and the mounting hole can be improved.
Each counterbore 1331 is of a circular configuration; by adopting the structure, the processing method has the advantage of convenient processing of the counter bore.
In using the utility model discloses the time, at first, at the wall body in open establish the mounting hole (this mounting hole is the blind hole), then clear away the bold granule in the mounting hole, the glass pipe that will be equipped with curing agent and granule is filled in the mounting hole after that, then be connected boss on the crab-bolt body with rotatory vibrator's output, the one end of keeping away from the boss with the crab-bolt body is as inserting the end and insert the mounting hole after that, then open rotatory vibrator squeeze into the crab-bolt body into the mounting hole can, squeeze into the in-process in the mounting hole at the crab-bolt body, the glass pipe that is equipped with curing agent and granule can be broken, at this moment, the mixture of curing agent and granule can be filled the first annular groove in mounting hole and the crab-bolt body, the annular concave surface, in second annular groove and the counter bore, treat that the curing agent solidifies the back, the crab-bolt body has realized the bonding with the wall body promptly.
The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (4)
1. The utility model provides a novel high strength antidetonation back taper crab-bolt, includes crab-bolt body (1), crab-bolt body (1) includes screw thread section (11), linkage segment (12) and reducing section (13), the upper end of linkage segment (12) is connected in an organic whole with the lower extreme of screw thread section (11), the lower extreme of linkage segment (12) is connected in an organic whole with the upper end of reducing section (13), the upper end integrated into one piece of screw thread section (11) has boss (111) of regular hexagonal shape, boss (111) are used for being connected with rotatory vibrator's output, both sides all are provided with wedge face (131), its characterized in that around reducing section (13) lower extreme: be provided with first annular groove (121) that a plurality of says and distribute from top to bottom on the outer wall of linkage segment (12), be provided with annular concave surface (132) that the length direction of a plurality of edge reducing section (13) distributes on reducing section (13), form transition face (133) between two adjacent annular concave surface (132), every annular concave surface (132) all include first conical surface (1321) and second conical surface (1322), the lower extreme of first conical surface (1321) meets with the upper end of second conical surface (1322), first conical surface (1321) from top to bottom contracts gradually, second conical surface (1322) from top to bottom expand gradually, be provided with second annular groove (1323) that a plurality of says and distribute from top to bottom on the outer wall of second conical surface (1321), be provided with counter bore (1331) that a plurality of rows of being form distribute on the periphery wall of transition face (133).
2. The novel high-strength anti-seismic inverted cone anchor bolt as claimed in claim 1, wherein each first annular groove (121) has a V-shaped vertical cross section.
3. The novel high-strength anti-seismic inverted cone anchor bolt as claimed in claim 1, wherein each second annular groove (1323) has a "V" -shaped vertical cross-section.
4. The new high-strength anti-seismic inverted cone anchor bolt according to claim 1, characterized in that each counterbore (1331) is of circular configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022509738.4U CN213839182U (en) | 2020-11-03 | 2020-11-03 | Novel high-strength anti-seismic inverted cone anchor bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022509738.4U CN213839182U (en) | 2020-11-03 | 2020-11-03 | Novel high-strength anti-seismic inverted cone anchor bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213839182U true CN213839182U (en) | 2021-07-30 |
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ID=77013270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022509738.4U Active CN213839182U (en) | 2020-11-03 | 2020-11-03 | Novel high-strength anti-seismic inverted cone anchor bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213839182U (en) |
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2020
- 2020-11-03 CN CN202022509738.4U patent/CN213839182U/en active Active
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