CN213575015U - Novel multi-piece quick-start expansion bolt - Google Patents
Novel multi-piece quick-start expansion bolt Download PDFInfo
- Publication number
- CN213575015U CN213575015U CN202022301125.1U CN202022301125U CN213575015U CN 213575015 U CN213575015 U CN 213575015U CN 202022301125 U CN202022301125 U CN 202022301125U CN 213575015 U CN213575015 U CN 213575015U
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- Prior art keywords
- piece
- expansion
- screw rod
- screw
- expansion bolt
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- Expired - Fee Related
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- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 208000027418 Wounds and injury Diseases 0.000 abstract description 3
- 230000006378 damage Effects 0.000 abstract description 3
- 208000014674 injury Diseases 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 241000587161 Gomphocarpus Species 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000000969 carrier Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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Abstract
The utility model discloses a novel expansion bolts is played soon to multi-disc formula, be in including screw rod, setting fixed lantern ring on the screw rod, a serial communication port, the annular mounting groove has been seted up in the fixed lantern ring, install the multi-disc inflation piece in the annular mounting groove, the one end of screw rod is provided with the screw thread, the screw rod is kept away from screw thread one end and is provided with a plurality of connection bosss, the screw thread one end cooperation of screw rod is provided with lock nut, the joint groove has been seted up in lock nut's the outside, the upper and lower both sides of the fixed lantern ring are provided with the joint piece, the joint piece with the fixed lantern ring is as an organic whole, the joint groove joint in the lock. The beneficial effects of the utility model are that, this novel many pieces formula expansion bolts that rises soon, simple structure uses reliably, and convenient to detach installs, repeatedly usable, and can not cause the injury to the wall body in the use.
Description
Technical Field
The utility model relates to an expansion bolts technical field, especially a novel expansion bolts is played soon to multi-disc formula.
Background
The expansion bolt used at present comprises an expansion bolt, a nut matched with the expansion bolt and an expansion sleeve, wherein the tail end of the expansion bolt is a circular truncated cone-shaped nail head or is provided with a circular truncated cone-shaped nut, one end of the expansion sleeve, which is close to the circular truncated cone-shaped nail head or the circular truncated cone-shaped nut, is provided with a plurality of longitudinal notches, namely one end of the expansion sleeve is divided into a plurality of expansion ribs, and the other end of the expansion sleeve is tubular. When in use, the expansion screw or nut is screwed, and the round platform type nail head or the round platform type nut is pressed into the expansion sleeve from the small end to the large end to force the expansion rib to be in conical expansion deformation and expand in the mounting hole.
As for the metal expansion sleeve, the expansion bending deformation can not disappear due to the disappearance of external force, the expansion sleeve is expanded in the mounting hole and is not exposed out of the mounting hole, and the expansion bolt is required to be taken out and only can be forcibly pulled, so that the expansion sleeve can be further expanded and tightly clamped in the mounting hole, in this case, if the pulling force is continuously increased, the wall surface and various carriers are inevitably damaged, and the expansion bolt which is forcibly taken out is difficult to reuse.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem, a novel expansion bolts is played soon to multi-disc formula has been designed.
Realize above-mentioned purpose the technical scheme of the utility model be, a novel expansion bolts is played soon to multiple-disc formula, be in including screw rod, setting fixed lantern ring on the screw rod, the annular mounting groove has been seted up in the fixed lantern ring, install the multi-disc inflation piece in the annular mounting groove, the one end of screw rod is provided with the screw thread, the screw rod is kept away from screw thread one end and is provided with a plurality of connection bosss, the screw thread one end cooperation of screw rod is provided with lock nut, the joint groove has been seted up in lock nut's the outside.
As a further description of the utility model, the screw rod is kept away from connect boss one end and be provided with the connector, set up the mounting hole of being convenient for install extracting tool on the connector, the connector is as an organic whole with the screw rod.
As a further description of the utility model, the multi-disc the inflation piece is the circumference and distributes, each the installation end of inflation piece is provided with the turn-ups, the turn-ups is the circumference and arranges in fixed intra-annular mounting groove.
As a further description of the utility model, it is provided with supplementary gasket to keep away from lock nut one side on the screw rod, it is provided with external mounting nut to keep away from supplementary gasket one side on the screw rod.
As a further description of the present invention, the cross-sectional shape of the expansion piece is an arc shape, and the outside of the expansion piece is punched to have a plurality of reinforcing ribs.
As a further description of the present invention, a connection gasket is provided between the flange and the lock nut in the annular mounting groove.
As a further description of the present invention, the upper and lower sides of the fixing collar are provided with the clip pieces, the clip pieces are integrated with the fixing collar, and the clip groove clip outside the locking nut is on one of the clip pieces.
As a further description of the present invention, the number of the expansion pieces is the same as the number of the connection bosses, each expansion piece is disposed outside the corresponding connection bosses.
The utility model has the advantages that the utility model provides a novel multi-piece quick-start expansion bolt, which comprises a screw rod, a fixed sleeve ring and a locking nut, wherein an annular mounting groove is arranged in the fixed sleeve ring, a plurality of expansion pieces are arranged in the annular mounting groove, the upper side and the lower side of the fixed sleeve ring are provided with clamping pieces, a screw thread is arranged on the screw rod, one end of the screw rod, which is far away from the screw thread, is provided with a plurality of connecting bosses, each expansion piece is clamped outside the corresponding connecting boss, the outer side of the locking nut is provided with a clamping groove, the clamping groove at the outer side of the locking nut is clamped on one of the clamping pieces, when in use, a hole is punched on a wall surface to be fixed, the expansion bolt is placed in the hole, the expansion piece is driven to move inwards by adjusting the locking nut, and then the expansion piece is, through setting up the external mounting nut who keeps away from auxiliary gasket one side on the screw rod, can connect external connection device, when needing to dismantle, transfer loose lock nut for the inflation piece separates with the connection boss, and then makes inflation piece and downthehole lateral wall separation, can make things convenient for expansion bolts's dismantlement, and this novel multi-disc formula rises expansion bolts soon, simple structure uses reliably, and convenient to detach installs, repeatedly usable, and can not cause the injury to the wall body in the use.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural view of the lock nut of the present invention;
fig. 3 is a schematic structural view of the expansion sheet of the present invention.
In the figure, 1, a screw; 2. a fixed collar; 3. an intumescent sheet; 4. a thread; 5. connecting the bosses; 6. Locking the nut; 7. a linker; 8. mounting holes; 9. flanging; 10. an auxiliary pad; 11. a nut is externally arranged; 12. connecting a gasket; 13. a clamping groove; 14. a clip sheet; 15. an annular mounting groove; 16. and (5) reinforcing ribs.
Detailed Description
Firstly, the original design of the utility model is explained, the expansion bolt is a special threaded connection piece used for fixing the pipeline support/hanger/bracket or equipment on the wall, the floor and the column, when in use, the expansion bolt or nut is screwed, the round platform type pin head or the round platform type nut is pressed into the expansion sleeve from the small end to the big end, the expansion rib is forced to be in conical expansion deformation and expanded in the mounting hole, the existing expansion bolt is required to be taken out because the expansion sleeve is expanded in the mounting hole and is not exposed out of the mounting hole, only the expansion bolt with the round platform type pin head or the round platform type nut can be forcibly pulled, so the expansion sleeve can be further expanded and tightly clamped in the mounting hole, under the condition, if the tension is continuously increased, the wall surface and various carriers are inevitably damaged, the expansion bolt which is forcibly taken out is difficult to be reused, therefore, the utility model designs a novel expansion bolts is played soon to multi-disc formula.
The utility model discloses it is described in detail below with the accompanying drawings, as shown in fig. 1-fig. 3, a novel multi-disc formula expansion bolts that rises soon, including screw rod 1, screw rod 1 one end is provided with screw thread 4, be provided with the fixed lantern ring 2 on the screw rod 1, set up the mounting groove in the fixed lantern ring 2, this mounting groove is annular mounting groove 15, install multi-disc expansion piece 3 in the annular mounting groove 15, for the ease of installing multi-disc expansion piece 3, the cross sectional shape of expansion piece 3 is the arcuation, for the intensity that improves expansion piece 3, there is multistage strengthening rib 16 in the outside punching press of each expansion piece 3, the installation end of each expansion piece 3 is provided with turn-ups 9, turn-ups 9 is the circumference and arranges and installs in annular mounting groove 15, with this with expansion multi-disc piece 3 be the circumference.
In order to guarantee that the stable downthehole of installing on the wall of inflation screw, 4 one ends of screw thread at screw rod 1 are provided with lock nut 6, lock nut 6 passes through 4 cooperations of screw thread and installs on the lead screw, joint groove 13 has been seted up in this lock nut 6's the outside, be provided with joint piece 14 in the upper and lower both sides of the fixed lantern ring 2, joint piece 14 and fixed lantern ring 2 are as an organic whole, 13 joints in the joint groove in the lock nut 6 outside are on one of them joint piece 14, connect for the turn-ups 9 of guaranteeing lock nut 6 and inflation piece 3, it still is provided with connecting shim 12 to be located between turn-ups 9 and lock nut 6 in annular mounting groove 15.
In order to connect an external connecting device, an auxiliary gasket 10 is arranged on one side, far away from the locking nut 6, of the screw rod 1, an external mounting nut 11 is arranged on one side, far away from the auxiliary gasket 10, of the screw rod 1, and the external connecting device is connected through the external mounting nut 11.
In order to facilitate the disassembly of the expansion bolt, the end part of the screw rod 1, which is far away from the conical nut, is provided with a connector 7, the connector 7 is provided with a mounting hole 8, when the disassembly is needed, the locking nut 6 is loosened, an external disassembling tool is inserted into the mounting hole 8 of the connector 7, and the screw rod 1 is rotated conveniently.
When using, in order to expand inflation piece 3, keep away from screw thread 4 one end at screw rod 1 and be provided with a plurality of connection bosss 5, the quantity of inflation piece 3 is the same with the quantity of being connected boss 5, and 3 joints of each inflation piece are in the connection boss 5 outsides that correspond.
The above detailed description explains the concrete structure of the present invention, and the following description explains the working principle of the present invention: during the use, punch on the wall that needs to be fixed, put into expansion bolts downthehole, drive fixed lantern ring 2 and remove to downthehole through adjusting lock nut 6, and then make expansion piece 3 expand along connecting boss 5, make expansion piece 3 hug closely at downthehole lateral wall, install expansion bolts stable downthehole, through setting up external mounting nut 11 of keeping away from auxiliary gasket 10 one side on screw rod 1, external connection device can be connected, when needing to dismantle, adjust loose lock nut 6, make expansion piece 3 with be connected boss 5 and separate, and then make expansion piece 3 and downthehole lateral wall separation, can make things convenient for expansion bolts's dismantlement, this novel many formula plays expansion bolts soon, moreover, the steam generator is simple in structure, use is reliable, convenient for dismantle the installation, and can repeatedly usable, and can not cause the injury to the wall body in the use.
Above-mentioned technical scheme has only embodied the utility model discloses technical scheme's preferred technical scheme, some changes that this technical field's technical personnel probably made to some parts wherein have all embodied the utility model discloses a principle belongs to within the protection scope of the utility model.
Claims (8)
1. The utility model provides a novel expansion bolts is played soon to multi-disc formula, is in including screw rod (1), setting fixed lantern ring (2) on screw rod (1), its characterized in that, annular mounting groove (15) have been seted up in fixed lantern ring (2), install multi-disc expansion piece (3) in annular mounting groove (15), the one end of screw rod (1) is provided with screw thread (4), screw rod (1) is kept away from screw thread (4) one end and is provided with a plurality of connection boss (5), screw thread (4) one end cooperation of screw rod (1) is provided with lock nut (6), joint groove (13) have been seted up in the outside of lock nut (6).
2. The novel multi-piece quick-start expansion bolt as claimed in claim 1, wherein a connecting body (7) is arranged at one end of the screw (1) away from the connecting boss (5), a mounting hole (8) for mounting and dismounting tools is formed in the connecting body (7), and the connecting body (7) and the screw (1) are integrated.
3. The novel multi-piece quick-start expansion bolt as claimed in claim 1, wherein a plurality of expansion pieces (3) are distributed circumferentially, a flange (9) is arranged at the mounting end of each expansion piece (3), and the flange (9) is circumferentially arranged in an annular mounting groove (15) in the fixed sleeve ring (2).
4. The novel multi-piece quick-start expansion bolt as claimed in claim 1, wherein an auxiliary gasket (10) is arranged on the side of the screw (1) away from the locking nut (6), and an external mounting nut (11) is arranged on the side of the screw (1) away from the auxiliary gasket (10).
5. The novel multi-piece quick-start expansion bolt as claimed in claim 1, wherein the cross-sectional shape of the expansion piece (3) is arc-shaped, and a plurality of reinforcing ribs (16) are punched on the outer side of the expansion piece (3).
6. A new multi-piece quick-start expansion bolt according to claim 3, characterized in that a connecting washer (12) is provided in the annular mounting groove (15) between the flange (9) and the lock nut (6).
7. The novel multi-piece quick-start expansion bolt as claimed in claim 1, wherein the upper and lower sides of the fixing collar (2) are provided with a clamping piece (14), the clamping piece (14) and the fixing collar (2) are integrated, and the clamping groove (13) on the outer side of the locking nut (6) is clamped on one of the clamping pieces (14).
8. A new multi-piece quick-start expansion bolt according to claim 1, characterized in that the number of said expansion pieces (3) is the same as the number of said connection bosses (5), each said expansion piece (3) being arranged outside the corresponding connection boss (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022301125.1U CN213575015U (en) | 2020-10-15 | 2020-10-15 | Novel multi-piece quick-start expansion bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022301125.1U CN213575015U (en) | 2020-10-15 | 2020-10-15 | Novel multi-piece quick-start expansion bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213575015U true CN213575015U (en) | 2021-06-29 |
Family
ID=76524457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022301125.1U Expired - Fee Related CN213575015U (en) | 2020-10-15 | 2020-10-15 | Novel multi-piece quick-start expansion bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213575015U (en) |
-
2020
- 2020-10-15 CN CN202022301125.1U patent/CN213575015U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210629 |
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| CF01 | Termination of patent right due to non-payment of annual fee |