CN107120345A - Dismountable expansion bolt and its application method - Google Patents
Dismountable expansion bolt and its application method Download PDFInfo
- Publication number
- CN107120345A CN107120345A CN201710478053.8A CN201710478053A CN107120345A CN 107120345 A CN107120345 A CN 107120345A CN 201710478053 A CN201710478053 A CN 201710478053A CN 107120345 A CN107120345 A CN 107120345A
- Authority
- CN
- China
- Prior art keywords
- screw rod
- inner sleeve
- expansion bolt
- nut
- sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 125000004122 cyclic group Chemical group 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 8
- 239000002994 raw material Substances 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 9
- 210000003371 toe Anatomy 0.000 description 5
- 241001149930 Protura <class> Species 0.000 description 4
- 210000004534 cecum Anatomy 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
- F16B13/04—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front
- F16B13/06—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve
- F16B13/063—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve by the use of an expander
- F16B13/065—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve by the use of an expander fastened by extracting the screw, nail or the like
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Dowels (AREA)
Abstract
Dismountable expansion bolt of the present invention and its application method, belong to mechanical spare and accessory parts and hardware ＆ tools technical field, dismountable expansion bolt includes screw rod, inner sleeve, outer sleeve, pad and nut, screw rod is made up of expansion-head, light bar segment and the part of thread segment three, inner sleeve is set in outside screw rod, one end of inner sleeve has circular protuberance, and the side wall of the other end is provided with opening；Outer sleeve is set in the outside of inner sleeve, and one end of outer sleeve has circular protuberance；Pad is enclosed on screw rod, and pad is located between inner sleeve and nut；Nut is assemblied in screw flight section, and dismountable expansion bolt application method includes fastening fixture, dismounting fixture and dismounting expansion bolt.Dismountable expansion bolt is simple in construction, can remove when not needed, reusable saving raw materials consumption, it is to avoid the exposed influence construction safety of expansion bolt and cut off the worry taken a lot of work, and can be widely applied to the interim fastening of engineering construction equipment.
Description
Technical field
The invention belongs to mechanical spare and accessory parts and hardware ＆ tools technical field, it is related to expansion bolt, more particularly to detachably
Expansion bolt and its application method.
Background technology
Existing conventional dismountable expansion bolt mainly has following two：
One is the Chinese patent literature for " CN204436987U " such as notification number, discloses a kind of dismountable expansion bolt,
Including screw rod, nut and sleeve；The screw rod is full thread, and right side is provided with the cutter groove inserted for the cutter head of screwdriver；Institute
The left end for stating nut is cecum, and right-hand member is openend, and cecum diameter is more than openend diameter；It is provided with and matches with screw rod in nut
The screw thread of conjunction；The internal diameter of the sleeve is more than the external diameter of the screw rod；The left end of the sleeve is axially disposed elongated slot, elongated slot
A plurality of and a plurality of elongated slot is provided with to be uniformly arranged around the circumference of sleeve；The right side of sleeve is provided with inserts for screwdriver head end
The cutter groove entered；The radial hole for hooking sleeve is disposed radially on sleeve；The external diameter of the nut right-hand member is less than sleeve
The internal diameter of left end；The left end external diameter of the nut is more than the internal diameter of sleeve；
Also include the flat shim, spring shim and the nut coordinated with screw flight being nested with screw rod.This kind of expanding screw
Bolt can not only be pulled down when not needed, and can be reused.
But the dismountable expansion bolt that the technical scheme is proposed, which has the drawback that to be screwed out using screwdriver, to be relatively stranded
Difficulty, and it is damaged to easily cause cutter groove, it is impossible to use.
Two be the Chinese patent literature for " CN205225978U " such as notification number, discloses a kind of detachable repetition and is applicable
Expansion bolt external member, including expansion sleeve, bolt and the nut being adapted with the bolt, bolt includes square toes, flat conehead, screw thread
Axle and optical axis, are provided with the sleeve pipe that hollow cylindrical is provided with pad, expansion sleeve one end between nut and expansion sleeve, expansion sleeve is another
Hold opening-like outer ring to set expansion piece, inner ring to be provided with the middle of inner convex platform, sleeve pipe and inner convex platform and be provided with breach, bolt is arranged on swollen
In expansion set, bolt one end is square toes, the other end is flat conehead, and flat conehead is correspondingly arranged with expansion piece in the same side, and square toes are put down
Face is corresponding with flat conehead plane, and square toes one end of bolt passes through expansion sleeve, and the axis body close to the terminal bolt of square toes one is provided with screw thread structure
Into thread spindle, nut and pad are sequentially installed with thread spindle, the expansion bolt external member that the utility model is provided, which has, makes letter
List, strong operability, it is reusable the characteristics of, there is wide applicability for spare and accessory parts manufacture field.
But the expansion bolt external member that the detachable repetition that the technical scheme is proposed is applicable has the drawback that：In dismounting
When, because anchor force is larger, reversely rotate difficult, it is not easy to implement dismounting.
Therefore being needed badly among prior art wants a kind of new technical scheme to solve this problem.
The content of the invention
The technical problems to be solved by the invention are：A kind of dismountable expansion bolt and its application method are provided, this kind swollen
Swollen bolt, can not only be pulled down when not needed, and can be reused, and save raw materials consumption, and resource is efficiently utilized, and
Construction and installation are convenient,
It is convenient using being mounted and dismounted during this kind of expansion bolt, it can be widely applied to the interim tight of engineering construction equipment
Gu.
To realize above-mentioned technical proposal, the present invention is adopted the following technical scheme that：
Dismountable expansion bolt, it is characterized in that：Including screw rod, inner sleeve, outer sleeve, pad and nut, the screw rod
It is made up of expansion-head, light bar segment and the part of thread segment three, and expansion-head, light bar segment and thread segment are sequentially connected with；The inner sleeve
It is set in outside screw rod, one end of inner sleeve has circular protuberance, and the side wall of the other end is provided with opening；The outer sleeve
The outside of inner sleeve is set in, one end of outer sleeve has circular protuberance；The pad is enclosed on screw rod,
And pad is located between inner sleeve and nut；The nut is assemblied in screw flight section.
A kind of application method of dismountable expansion bolt, it is characterized in that：Comprise the following steps, and following steps are sequentially entered
OK,
Step 1: fastening fixture
1. take expansion bolt and insert the expansion head end of screw rod in fixing hole, the diameter of the circular protuberance of outer sleeve
More than fixed bore dia, the circular protuberance of outer sleeve is close to the outside of fixing hole；
2. fixture is placed, fixture is provided with preformed hole, and the reserved bore dia is more than the annular shape of inner sleeve
The diameter of the diameter of protuberance and the circular protuberance of outer sleeve；
3. pad is set on screw rod, nut is screwed in into screw-pressing inner sleeve, the expansion-head of screw rod enters inner sleeve,
The openend expansion of inner sleeve, tightens nut, and fixture fastening is finished；
Step 2: dismounting fixture
Nut is screwed out, pad is removed, fixture is removed；
Step 3: dismounting expansion bolt
The jaw of extracting tool is close to the insertion of outer sleeve inner ring, the circular protuberance and outer sleeve of inner sleeve is placed in
Between circular protuberance, it is motionless to hold fixed handle, rotates rotary handle, and screw rod is screwed in nut cylinder, in expansion-head departs from
Sleeve, pulls rotary handle to remove screw rod, inner sleeve and outer sleeve, and expansion bolt dismounting is finished.
By above-mentioned design, the present invention can bring following beneficial effect：The present invention proposes detachable expansion spiral shell
Bolt and its application method, dismountable expansion bolt proposed by the present invention are simple in construction, and low manufacture cost, expansion bolt is realized removable
Unload, the dismountable expansion bolt is installed and convenient disassembly, can be pulled down when not needed, reusable and unloading process is time-consuming
It is short, save raw materials consumption, resource efficiently utilized, energy-conserving and environment-protective, it is to avoid expansion bolt exposed influence construction safety and
The worry taken a lot of work is cut off, the interim fastening of engineering construction equipment is can be widely applied to.
Brief description of the drawings
Below in conjunction with the accompanying drawings and embodiment the invention will be further described：
Fig. 1 is the screw rod schematic diagram of dismountable expansion bolt of the present invention.
Fig. 2 is the inner sleeve schematic diagram one of dismountable expansion bolt of the present invention.
Fig. 3 is the inner sleeve schematic diagram two of dismountable expansion bolt of the present invention.
Fig. 4 is the outer sleeve schematic diagram one of dismountable expansion bolt of the present invention.
Fig. 5 is the outer sleeve schematic diagram two of dismountable expansion bolt of the present invention.
Fig. 6 is dismountable expansion bolt combination diagram of the present invention.
Fig. 7 is that dismountable expansion bolt of the present invention uses schematic diagram.
Fig. 8 is the extracting tool schematic diagram of dismountable expansion bolt of the present invention.
Fig. 9 uses schematic diagram for the extracting tool of dismountable expansion bolt of the present invention.
In figure：1- screw rods, 2- inner sleeves, 3- outer sleeves, 4- pads, 5- nuts, 6- fixtures, 7- jaws, 8- are fixed
Handle, 9- rotary handles, 10- nuts cylinder, 11- large-lead screws.
Embodiment
The present invention proposes dismountable expansion bolt, and referring to figs. 1 to shown in Fig. 6, it includes screw rod 1, inner sleeve 2, outer sleeve
3rd, pad 4 and nut 5, the screw rod 1 are made up of expansion-head, light bar segment and the part of thread segment three, and expansion-head, light bar segment and
Thread segment is sequentially connected with；The inner sleeve 2 is set in outside screw rod 1, and one end of inner sleeve 2 has circular protuberance, another
The side wall at end is provided with opening；The outer sleeve 3 is set in the outside of inner sleeve 2,
One end of outer sleeve 3 has circular protuberance；The pad 4 is enclosed on screw rod 1, and pad 4 is located at inner sleeve 2
Between nut 5；The nut 5 is assemblied on the thread segment of screw rod 1.
The invention also provides the extracting tool reference picture that the application method of dismountable expansion bolt, the application method are used
8, it includes jaw 7, fixed handle 8, rotary handle 9, nut cylinder 10 and large-lead screw 11, the front end band of the jaw 7
There is inwardly protruded bayonet socket；The fixed handle 8 is connected in front end with jaw 7, and there is nut bore in the centre of fixed handle 8,
Large-lead screw 11 is screwed in nut bore；
The rotary handle 9 is arranged on the end of extracting tool,
The centre of rotary handle 9 is connected and fixed with large-lead screw 11；The nut cylinder 10 is with internal thread
Tubular long nut, nut cylinder 10 is located at the inside of jaw 7 and is connected with large-lead screw 11,
Nut cylinder 10 and the coaxial integrated connection of large-lead screw 11；The pitch of the large-lead screw 11 is more than nut cylinder
10 pitch；
The application method of dismountable expansion bolt is further described in detail with reference to Fig. 7, Fig. 8 and Fig. 9, this makes
Following steps are specifically included with method,
Step 1: fastening fixture 6
1. take expansion bolt and insert the expansion head end of screw rod 1 in fixing hole, the circular protuberance of outer sleeve 3 it is straight
Footpath is more than fixed bore dia, and the circular protuberance of outer sleeve 3 is close to the outside of fixing hole；
2. fixture 6 is placed, fixture 6 is provided with preformed hole, and the reserved bore dia is more than the annulus of inner sleeve 2
The diameter of the diameter of shape protuberance and the circular protuberance of outer sleeve 3；
3. pad 4 is set on screw rod 1, nut 5 is screwed in into screw rod 1 compresses inner sleeve 2, and the expansion-head of screw rod 1 enters
Inner sleeve 2, the openend expansion of inner sleeve 2, causes expansion bolt to produce withdrawal resistance, tightens nut 5, fixture 6 has been fastened
Finish；
Step 2: dismounting fixture 6
Nut 5 is screwed out, pad 4 is removed, fixture 6 is removed；
Step 3: dismounting expansion bolt
Using the extracting tool of dismountable expansion bolt, the jaw 7 of extracting tool is close to the insertion of the inner ring of outer sleeve 3, and
It is placed between the circular protuberance of inner sleeve 2 and the circular protuberance of outer sleeve 3, it is motionless to hold fixed handle 8, rotates rotation
Handle 9 is changed hands, screw rod 1 is screwed in nut cylinder 10, because the pitch of large-lead screw 11 is more than the pitch of nut cylinder 10, causes screw rod
1 produces inside passage, and the expansion-head of screw rod 1 is pushed out inner sleeve 2, causes expansion bolt to lose withdrawal resistance, pulls out rotation
Change hands handle 8 to remove screw rod 1, inner sleeve 2 and outer sleeve 3, expansion bolt dismounting is finished, and dismountable expansion bolt is reconfigured
It is standby.
The fixture 6 is the workpiece or equipment for needing to use expansion bolt to fix.
Claims (2)
1. dismountable expansion bolt, it is characterized in that：Including screw rod (1), inner sleeve (2), outer sleeve (3), pad (4) and nut
(5), the screw rod (1) is made up of expansion-head, light bar segment and the part of thread segment three, and expansion-head, light bar segment and thread segment are sequentially
Connection；The inner sleeve (2) is set in screw rod (1) outside, and one end of inner sleeve (2) has circular protuberance, the other end
Side wall is provided with opening；The outer sleeve (3) is set in the outside of inner sleeve (2), and one end of outer sleeve (3) has circular dash forward
Go out portion；The pad (4) is enclosed on screw rod (1), and pad (4) is located between inner sleeve (2) and nut (5)；The nut (5)
On the thread segment for being assemblied in screw rod (1).
2. a kind of application method of the dismountable expansion bolt described in claim 1, it is characterized in that：Comprise the following steps, and with
Lower step is sequentially carried out,
Step 1: fastening fixture (6)
1. take expansion bolt and insert the expansion head end of screw rod (1) in fixing hole, the circular protuberance of outer sleeve (3) it is straight
Footpath is more than fixed bore dia, and the circular protuberance of outer sleeve (3) is close to the outside of fixing hole；
2. fixture (6) is placed, fixture (6) is provided with preformed hole, and the reserved bore dia is more than the circle of inner sleeve (2)
The diameter of the circular protuberance of the diameter and outer sleeve (3) of cyclic lug；
3. pad (4) is set on screw rod (1), by nut (5) screw in screw rod (1) compress inner sleeve (2), screw rod (1) it is swollen
Swollen head enters inner sleeve (2), and the openend of inner sleeve (2) expands, and tightens nut (5), and fixture (6) fastening is finished；
Step 2: dismounting fixture (6)
Nut (5) is screwed out, pad (4) is removed, fixture (6) is removed；
Step 3: dismounting expansion bolt
The jaw (7) of extracting tool is close to the insertion of outer sleeve (3) inner ring, the circular protuberance of inner sleeve (2) is placed in and outer
Between the circular protuberance of sleeve (3), it is motionless to hold fixed handle (8), rotates rotary handle (9), and screw rod (1) screws in nut
In cylinder (10), expansion-head departs from inner sleeve (2), pulls rotary handle (9) to move screw rod (1), inner sleeve (2) and outer sleeve (3)
Go out, expansion bolt dismounting is finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710478053.8A CN107120345A (en) | 2017-06-22 | 2017-06-22 | Dismountable expansion bolt and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710478053.8A CN107120345A (en) | 2017-06-22 | 2017-06-22 | Dismountable expansion bolt and its application method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107120345A true CN107120345A (en) | 2017-09-01 |
Family
ID=59719311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710478053.8A Pending CN107120345A (en) | 2017-06-22 | 2017-06-22 | Dismountable expansion bolt and its application method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107120345A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109372861A (en) * | 2018-11-21 | 2019-02-22 | 中国电建集团成都勘测设计研究院有限公司 | Intumescent bolt arrangement |
| CN113898659A (en) * | 2021-09-09 | 2022-01-07 | 马国旗 | Anti-theft bolt |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0372196A2 (en) * | 1988-12-05 | 1990-06-13 | fischerwerke Artur Fischer GmbH & Co. KG | Fastening system |
| CN2079231U (en) * | 1989-06-14 | 1991-06-19 | 李渊河 | Repeatedly usable expasion bolt |
| JP2001271817A (en) * | 2000-03-28 | 2001-10-05 | Hitachi Building Systems Co Ltd | Securing device for anchor bolt |
| CN204076099U (en) * | 2014-09-22 | 2015-01-07 | 国家电网公司 | A kind of expansion bolt extracting tool |
| CN204371857U (en) * | 2014-12-04 | 2015-06-03 | 宿宝龙 | A kind of removal tool special of quick detachable type EXPANSION ANCHOR BOLTS |
| CN105215932A (en) * | 2015-11-19 | 2016-01-06 | 江汉大学 | A kind of expansion bolt cleaner |
| WO2016199015A1 (en) * | 2015-06-08 | 2016-12-15 | Car S.R.L. | Connecting device between components of a piece of furniture |
| CN206816641U (en) * | 2017-06-22 | 2017-12-29 | 吉林建筑大学 | Dismountable expansion bolt |
-
2017
- 2017-06-22 CN CN201710478053.8A patent/CN107120345A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0372196A2 (en) * | 1988-12-05 | 1990-06-13 | fischerwerke Artur Fischer GmbH & Co. KG | Fastening system |
| CN2079231U (en) * | 1989-06-14 | 1991-06-19 | 李渊河 | Repeatedly usable expasion bolt |
| JP2001271817A (en) * | 2000-03-28 | 2001-10-05 | Hitachi Building Systems Co Ltd | Securing device for anchor bolt |
| CN204076099U (en) * | 2014-09-22 | 2015-01-07 | 国家电网公司 | A kind of expansion bolt extracting tool |
| CN204371857U (en) * | 2014-12-04 | 2015-06-03 | 宿宝龙 | A kind of removal tool special of quick detachable type EXPANSION ANCHOR BOLTS |
| WO2016199015A1 (en) * | 2015-06-08 | 2016-12-15 | Car S.R.L. | Connecting device between components of a piece of furniture |
| CN105215932A (en) * | 2015-11-19 | 2016-01-06 | 江汉大学 | A kind of expansion bolt cleaner |
| CN206816641U (en) * | 2017-06-22 | 2017-12-29 | 吉林建筑大学 | Dismountable expansion bolt |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109372861A (en) * | 2018-11-21 | 2019-02-22 | 中国电建集团成都勘测设计研究院有限公司 | Intumescent bolt arrangement |
| CN113898659A (en) * | 2021-09-09 | 2022-01-07 | 马国旗 | Anti-theft bolt |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170901 |
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| RJ01 | Rejection of invention patent application after publication |