CN214036424U - Self tapping hangs concrete anchor - Google Patents
Self tapping hangs concrete anchor Download PDFInfo
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- CN214036424U CN214036424U CN202022971857.1U CN202022971857U CN214036424U CN 214036424 U CN214036424 U CN 214036424U CN 202022971857 U CN202022971857 U CN 202022971857U CN 214036424 U CN214036424 U CN 214036424U
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- anchor bolt
- self
- tapping
- crab
- sleeve
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Abstract
The utility model discloses a self tapping hangs concrete crab-bolt, including the crab-bolt main part, the bottom surface of crab-bolt main part is equipped with self tapping screw, self tapping screw's top is equipped with spacing fixed cover, spacing fixed cover and crab-bolt main part fixed connection, the top of spacing fixed cover is equipped with the extension cover, the extension cover includes first activity strip and second activity strip, and first activity strip and second activity strip formula structure as an organic whole, be equipped with the bending point between first activity strip and the second activity strip, the top of extension cover is equipped with the pressure disk, the upper end fixed mounting of crab-bolt main part has first installation head, the upper end threaded connection of first installation head has the thread connection cover, the upper end threaded connection of thread connection cover has the screw extension pole. The utility model discloses an crab-bolt has good extension volume function, and then promotes its fixed effect greatly to prolong its life, and promote the security when using.
Description
Technical Field
The utility model relates to a concrete anchor bolt technical field especially relates to a self tapping hangs concrete anchor bolt.
Background
The anchor bolt is a general term of all rear anchoring components and has a wide range. The anchor bolt is divided into a metal anchor bolt and a non-metal anchor bolt according to different raw materials. The anchor bolt is divided into an expansion type anchor bolt, a hole expanding type anchor bolt, a bonding type anchor bolt, a concrete screw, a shooting nail, a concrete nail and the like according to different anchoring mechanisms, however, the existing anchor bolt is generally single in structure, so that the expansion effect is poor, the final fixing effect is not ideal enough, the service life is short, certain potential safety hazards exist, and certain adverse effects are caused in the actual using process, so that the self-tapping suspension concrete anchor bolt is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a self-tapping suspension concrete anchor bolt.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a self tapping hangs concrete crab-bolt, includes the crab-bolt main part, the bottom surface of crab-bolt main part is equipped with self tapping screw, self tapping screw's top is equipped with spacing fixed cover, spacing fixed cover and crab-bolt main part fixed connection, the top of spacing fixed cover is equipped with the extension cover, the extension cover includes first activity strip and second activity strip, and first activity strip and second activity strip formula structure as an organic whole, be equipped with the bending point between first activity strip and the second activity strip, the top of extension cover is equipped with the pressure disk, the upper end fixed mounting of crab-bolt main part has first installation head, the upper end threaded connection of first installation head has the thread connection cover, the upper end threaded connection of thread connection cover has the screw extension bar, the upper end fixedly connected with second installation head of screw extension bar.
Preferably, the lower extreme of crab-bolt main part is equipped with the crab-bolt drill bit, and the shape of crab-bolt drill bit is the toper.
Preferably, the inner surface of the pressure plate is provided with a mounting hole, and the pressure plate is annular.
Preferably, the two sides of the second mounting head are fixedly provided with horizontally arranged operation assisting pieces, the upper surface of the second mounting head is provided with a second screwdriver groove, and the second screwdriver groove is in a cross shape.
Preferably, a first guide stress sliding sleeve is arranged at the upper end of the first movable strip, and a second guide stress sliding sleeve is arranged at the lower end of the second movable strip.
Preferably, the upper surface of the first mounting head is provided with a first sub-groove, and the first sub-groove is in a cross shape.
Compared with the prior art, the beneficial effects of the utility model are that:
1. in the utility model, by arranging the limiting fixing sleeve, the extension sleeve, the anchor bolt drill bit, the first movable strip, the second movable strip, the bending point and the pressure plate, the volume of the anchor bolt after installation can be well extended, thereby greatly improving the fixing effect of the anchor bolt, prolonging the service life of the anchor bolt and improving the safety during use;
2. in the utility model, through the arrangement of the first mounting head, the thread connecting sleeve, the thread extension bar and the second mounting head, the thread extension bar can be removed after the first mounting head is pulled upwards, so that the ground smoothness is ensured, the upward pulling operation of the anchor bolt main body and the first mounting head can be facilitated by the operation assisting piece, and the adjustment operation of the mounted anchor bolt can be well facilitated by the arrangement of the second screwdriver groove and the first screwdriver groove;
to sum up, the utility model discloses an crab-bolt has good extension volume function, and then promotes its fixed effect greatly to prolong its life, and promote the security when using.
Drawings
Fig. 1 is a schematic view of the overall structure of a self-tapping suspension concrete anchor bolt provided by the present invention;
fig. 2 is a schematic view of the overall structure of the self-tapping suspension concrete anchor bolt after deformation of the expansion sleeve;
fig. 3 is a top view of a second mounting head of a self-tapping suspended concrete anchor bolt according to the present invention;
fig. 4 is a top view of a first mounting head of a self-tapping suspended concrete anchor bolt according to a second embodiment of the present invention.
In the figure: the self-tapping screw comprises an anchor bolt main body 1, self-tapping screw threads 2, a limiting fixing sleeve 3, an expansion sleeve 4, an anchor bolt drill bit 5, a first movable strip 6, a second movable strip 7, a bending point 8, a pressing plate 9, a first mounting head 10, a screw connecting sleeve 11, a screw lengthening rod 12, a second mounting head 13, an operation boosting sheet 14, a second screwdriver groove 15, a first screwdriver groove 16, a mounting hole 17, a first guiding stressed sliding sleeve 18 and a second guiding stressed sliding sleeve 19.
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.
The first embodiment is as follows:
referring to fig. 1-3, a self-tapping suspension concrete anchor bolt comprises an anchor bolt main body 1, self-tapping threads 2 are arranged on the outer surface of the bottom of the anchor bolt main body 1, a limit fixing sleeve 3 is arranged above the self-tapping threads 2, the limit fixing sleeve 3 is fixedly connected with the anchor bolt main body 1, an expansion sleeve 4 is arranged above the limit fixing sleeve 3, the expansion sleeve 4 comprises a first movable strip 6 and a second movable strip 7, and first activity strip 6 and the 7 formula structures as an organic whole of second activity strip, be equipped with buckling point 8 between first activity strip 6 and the second activity strip 7, the top of extension cover 4 is equipped with pressure disk 9, and the upper end fixed mounting of crab-bolt main part 1 has first installation head 10, and the upper end threaded connection of first installation head 10 has threaded connection cover 11, and the upper end threaded connection of threaded connection cover 11 has screw extension bar 12, and the upper end fixed connection of screw extension bar 12 has second installation head 13.
Wherein, the lower extreme of crab-bolt main part 1 is equipped with crab-bolt drill bit 5, and the shape of crab-bolt drill bit 5 is the toper.
Wherein, the inner surface of the pressure plate 9 is provided with a mounting hole 17, and the shape of the pressure plate 9 is circular ring.
The horizontally arranged operation assisting pieces 14 are fixedly mounted on both sides of the second mounting head 13, a second screwdriver slot 15 is formed in the upper surface of the second mounting head 13, and the second screwdriver slot 15 is cross-shaped.
Wherein, the upper end of the first movable strip 6 is provided with a first guiding stressed sliding sleeve 18, and the lower end of the second movable strip 7 is provided with a second guiding stressed sliding sleeve 19.
Example two:
referring to fig. 1-4, a self-tapping suspension concrete anchor bolt comprises an anchor bolt main body 1, self-tapping threads 2 are arranged on the outer surface of the bottom of the anchor bolt main body 1, a limit fixing sleeve 3 is arranged above the self-tapping threads 2, the limit fixing sleeve 3 is fixedly connected with the anchor bolt main body 1, an expansion sleeve 4 is arranged above the limit fixing sleeve 3, the expansion sleeve 4 comprises a first movable strip 6 and a second movable strip 7, and first activity strip 6 and the 7 formula structures as an organic whole of second activity strip, be equipped with buckling point 8 between first activity strip 6 and the second activity strip 7, the top of extension cover 4 is equipped with pressure disk 9, and the upper end fixed mounting of crab-bolt main part 1 has first installation head 10, and the upper end threaded connection of first installation head 10 has threaded connection cover 11, and the upper end threaded connection of threaded connection cover 11 has screw extension bar 12, and the upper end fixed connection of screw extension bar 12 has second installation head 13.
Wherein, the lower extreme of crab-bolt main part 1 is equipped with crab-bolt drill bit 5, and the shape of crab-bolt drill bit 5 is the toper.
Wherein, the inner surface of the pressure plate 9 is provided with a mounting hole 17, and the shape of the pressure plate 9 is circular ring.
The horizontally arranged operation assisting pieces 14 are fixedly mounted on both sides of the second mounting head 13, a second screwdriver slot 15 is formed in the upper surface of the second mounting head 13, and the second screwdriver slot 15 is cross-shaped.
Wherein, the upper end of the first movable strip 6 is provided with a first guiding stressed sliding sleeve 18, and the lower end of the second movable strip 7 is provided with a second guiding stressed sliding sleeve 19.
The first mounting head 10 has a first sub-slot 16 formed in an upper surface thereof, and the first sub-slot 16 is cross-shaped.
The working principle is as follows: when in use, the anchor bolt has good volume expansion function by arranging the limit fixing sleeve 3, the expansion sleeve 4, the anchor bolt drill bit 5, the first movable strip 6, the second movable strip 7, the bending point 8 and the pressure plate 9, the volume of the anchor bolt after installation can be well expanded, the fixing effect of the anchor bolt is greatly improved, the service life of the anchor bolt is prolonged, the safety during use is improved, the first installation head 10, the thread connecting sleeve 11, the thread extension rod 12 and the second installation head 13 are arranged, the thread extension rod 12 can be disassembled after the first installation head 10 is pulled upwards, the smoothness of the ground is further ensured, the anchor bolt main body 1 and the first installation head 10 can be conveniently pulled upwards by utilizing the operation assisting sheet 14, and the adjustment operation of the anchor bolt after installation can be well facilitated by arranging the second screwdriver groove 15 and the first screwdriver groove 16, thereby greatly improving the fixing effect of the fixing device, prolonging the service life of the fixing device and improving the safety during use.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The self-tapping suspension concrete anchor bolt comprises an anchor bolt body (1) and is characterized in that self-tapping threads (2) are arranged on the outer surface of the bottom of the anchor bolt body (1), a limiting fixing sleeve (3) is arranged above the self-tapping threads (2), the limiting fixing sleeve (3) is fixedly connected with the anchor bolt body (1), an expansion sleeve (4) is arranged above the limiting fixing sleeve (3), the expansion sleeve (4) comprises a first movable strip (6) and a second movable strip (7), the first movable strip (6) and the second movable strip (7) are of an integrated structure, a bending point (8) is arranged between the first movable strip (6) and the second movable strip (7), a pressure plate (9) is arranged above the expansion sleeve (4), a first mounting head (10) is fixedly mounted at the upper end of the anchor bolt body (1), and a threaded connection sleeve (11) is connected to the upper end of the first mounting head (10), the upper end of the threaded connecting sleeve (11) is in threaded connection with a threaded lengthening rod (12), and the upper end of the threaded lengthening rod (12) is fixedly connected with a second mounting head (13).
2. A self-tapping suspension concrete anchor bolt according to claim 1, characterised in that the anchor bolt body (1) is provided at its lower end with an anchor bolt bit (5), and that the anchor bolt bit (5) is conical in shape.
3. A self-tapping suspension concrete anchor bolt according to claim 1, wherein the inner surface of the pressure plate (9) is provided with a mounting hole (17), and the pressure plate (9) is shaped as a circular ring.
4. A self-tapping suspension concrete anchor bolt as recited in claim 1, wherein said second mounting head (13) is fixedly mounted with horizontally disposed operation assisting pieces (14) at both sides thereof, and a second screwdriver slot (15) is formed in an upper surface of said second mounting head (13), said second screwdriver slot (15) being cross-shaped.
5. A self-tapping suspension concrete anchor bolt according to claim 1, characterised in that said first movable bar (6) is provided at its upper end with a first guiding and stressing sliding sleeve (18) and said second movable bar (7) is provided at its lower end with a second guiding and stressing sliding sleeve (19).
6. A self-tapping suspension concrete anchor bolt as recited in claim 1, wherein said first mounting head (10) has a first sub-slot (16) formed in an upper surface thereof, and said first sub-slot (16) is cross-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022971857.1U CN214036424U (en) | 2020-12-11 | 2020-12-11 | Self tapping hangs concrete anchor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022971857.1U CN214036424U (en) | 2020-12-11 | 2020-12-11 | Self tapping hangs concrete anchor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214036424U true CN214036424U (en) | 2021-08-24 |
Family
ID=77335674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022971857.1U Active CN214036424U (en) | 2020-12-11 | 2020-12-11 | Self tapping hangs concrete anchor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214036424U (en) |
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2020
- 2020-12-11 CN CN202022971857.1U patent/CN214036424U/en active Active
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