CN202082224U - Eye expansion screw with improved structure - Google Patents
Eye expansion screw with improved structure Download PDFInfo
- Publication number
- CN202082224U CN202082224U CN2011201780939U CN201120178093U CN202082224U CN 202082224 U CN202082224 U CN 202082224U CN 2011201780939 U CN2011201780939 U CN 2011201780939U CN 201120178093 U CN201120178093 U CN 201120178093U CN 202082224 U CN202082224 U CN 202082224U
- Authority
- CN
- China
- Prior art keywords
- shoulder
- fending
- pipe crimping
- screw nut
- set screw
- 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.)
- Expired - Lifetime
Links
Images
Abstract
The utility model relates to the technical field of screw, in particular to an eye expansion screw with an improved structure. The eye expansion screw comprises a screw rod, a retaining nut and an expansible reel pipe; the screw rod comprises a hanging part, a fending shoulder and a straight fixed part which are arranged in sequence and integrally formed; the hanging part comprises a circled ring hook; the root of the ring hook is connected with the fending shoulder; an outside screw is formed on the side of the fixed part opposite to the fending shoulder; the retaining nut is relatively and movably screw-jointed at the end part of the fixed part with the outside screw; a conical fending surface is formed on the retaining nut; the reel pipe is sheathed at the fixed part and clamped between the fending shoulder and the fending surface of the retaining nut. The hanging part is used for hanging goods; when in use, in the utility model, the reel pipe and the retaining nut are arranged at the fixed part of the screw rod in sequence, and the reel pipe directly abuts against the fending shoulder without mounting auxiliary fending shoulder devices such as fending shoulder nut, fending shoulder gasket, and the like. Therefore, the eye expansion screw has the advantages being simple in structure, convenient to assemble and low in cost.
Description
Technical field
The utility model relates to the screw technical field, relates in particular to a kind of structure improved sheep eye pull explosive screw.
Background technique
Pull explosive screw is mainly used in object is fastenedly connected on fixture, and it has been widely used in occasions such as modern architecture curtain wall, building finishing, dynamo-electric installation.Pull explosive screw has characteristics such as load is big, purposes is wide, easy for installation, can be effectively thumb screw alternatively, the cancellation embedded part improves installation efficiency and degree of accuracy is installed, and uses more and more widely in fields such as subway installation, construction and installation, power supply installation, expressway installations.
Fig. 1 is for using comparatively general a kind of sheep eye pull explosive screw, this sheep eye pull explosive screw includes screw rod 1, pipe crimping 3 and set screw nut 2, screw rod 1 includes hanging portion 11 and straight fixing part 13, hanging portion 11 includes the bail 111 that encloses shape, pipe crimping 3 is set in the fixing part 13 of screw rod 1, be provided with shoulder block device 4 between hanging portion 11 and the pipe crimping 3, this shoulder block device 4 includes shoulder block nut 41 and shoulder block packing ring 42, shoulder block nut 41 is fixed in the joint of hanging portion 11 and fixing part 13, in this sheep eye pull explosive screw using process, shoulder block nut 41 must be installed successively with shoulder block packing ring 42; In conjunction with above-mentioned concrete structure and using process as can be known, there is shortcoming that assembling is inconvenient, cost is high in this sheep eye pull explosive screw.
Summary of the invention
The purpose of this utility model is to provide a kind of structure improved sheep eye pull explosive screw at the deficiencies in the prior art, and this structure improved sheep eye pull explosive screw is simple in structure, and is easy to assembly, low cost of manufacture.
For achieving the above object, the utility model is achieved through the following technical solutions.
A kind of structure improved sheep eye pull explosive screw, include screw rod, set screw nut and expandable pipe crimping, screw rod includes and is arranged in order and the fixing part of integrally formed hanging portion, shoulder block and flat, the hanging portion includes the bail that encloses shape, the root of bail is connected with shoulder block, fixing part forms outside thread in the opposition side of shoulder block, set screw nut can be bolted in the externally threaded end of having of fixing part relatively versatilely, set screw nut forms the block face of conical surface shape, pipe crimping be set in fixing part and be installed in shoulder block and the block face of set screw nut between.
Wherein, described pipe crimping offers extended slot, and extended slot axially extends from described shoulder block one side of described set screw nut one side direction along pipe crimping.
Wherein, described pipe crimping forms anti-slip tank in the end near described set screw nut, and anti-slip tank is positioned at the periphery wall of pipe crimping.
Wherein, the block face of described set screw nut forms straight burr flower tooth.
The beneficial effects of the utility model are: a kind of structure improved sheep eye pull explosive screw described in the utility model, include screw rod, set screw nut and expandable pipe crimping, screw rod includes and is arranged in order and integrally formed hanging portion, the fixing part of shoulder block and flat, the hanging portion includes the bail that encloses shape, the root of bail is connected with shoulder block, fixing part forms outside thread in the opposition side of shoulder block, set screw nut can be bolted in the externally threaded end of having of fixing part relatively versatilely, set screw nut forms the block face of conical surface shape, pipe crimping be set in fixing part and be installed in shoulder block and the block face of set screw nut between.The hanging portion is used to hang object, and in use, the utility model need only be installed on pipe crimping and set screw nut the fixing part of screw rod in turn, and pipe crimping directly and the shoulder block butt and need not be installed auxiliary shoulder block devices such as shoulder block nut and shoulder block packing ring.Therefore, the utlity model has advantage simple in structure, easy to assembly and that cost is low.
Description of drawings
Utilize accompanying drawing to come the utility model is further described below, but the embodiment in the accompanying drawing does not constitute any restriction of the present utility model.
Fig. 1 is the structural representation of a kind of sheep eye pull explosive screw of prior art.
Fig. 2 is a structural representation of the present utility model.
Fig. 3 is a generalized section of the present utility model.
In Fig. 1 to Fig. 3, include:
1---screw rod 11---hanging portion 111---bail
12---shoulder block 13---fixing part 2---set screw nuts
21---block face 211---straight burr flower tooth 3---pipe crimpings
31---extended slot 32---anti-slip tank 4---shoulder block devices
41---shoulder block nut 42---shoulder block packing ring.
Embodiment
Come the utility model is further described below in conjunction with embodiment; Wherein, Fig. 1 is the structural representation of a kind of sheep eye pull explosive screw of prior art.
As shown in Figures 2 and 3, a kind of structure improved sheep eye pull explosive screw, include screw rod 1, set screw nut 2 and expandable pipe crimping 3, screw rod 1 includes and is arranged in order and integrally formed hanging portion 11, the fixing part 13 of shoulder block 12 and flat, hanging portion 11 includes the bail 111 that encloses shape, the root of bail 111 is connected with shoulder block 12, fixing part 13 forms outside thread in the opposition side of shoulder block 12, set screw nut 2 can be bolted in the externally threaded end of having of fixing part 13 relatively versatilely, set screw nut 2 forms the block face 21 of conical surface shape, pipe crimping 3 be set in fixing part 13 and be installed in shoulder block 12 and the block face 21 of set screw nut 2 between.
Wherein, object is hung by bail 111 in hanging portion 11; In the utility model assembly process, pipe crimping 3 and set screw nut 2 are installed on the fixing part 13 of screw rod 1 in turn, and pipe crimping 3 is resisted against shoulder block 12.The utility model is being anchored in the process of fixture, on ceiling board or other fixtures, bore a mounting hole that cooperates with set screw nut 2 and pipe crimping 3 earlier, then again with pipe crimping 3 and set screw nut 2 intercalations to the mounting hole that has bored, at this moment, hanging portion 11 exposes to the outside of mounting hole; Rotary screw 1 also makes screw rod 1 move in mounting hole, shoulder block 12 pushes pipe crimping 3 and promotes pipe crimping 3 towards set screw nut 2 one side shiftings, at this moment, the block face 21 of set screw nut 2 is replaced pipe crimping 3 and is made pipe crimping 3 expand, and the pipe crimping 3 after the expansion is adjacent to the inwall of mounting hole and then makes the utility model be fixed on the fixture.Sheep eye pull explosive screw shown in Figure 1 relatively, the utility model need not be installed shoulder block devices 4 such as shoulder block nut 41 and shoulder block packing ring 42 and replace pipe crimping 3, so, the utlity model has simple in structure, low cost of manufacture and advantage easy to assembly.
As preferred embodiment, pipe crimping 3 offers extended slot 31, and extended slot 31 axially extends from set screw nut 2 one side direction shoulder blocks 12 1 sides along pipe crimping 3; The purpose that the utility model is set up extended slot 31 is: be convenient to pipe crimping 3 and expand under the effect of the block face 21 of set screw nut 2.
As preferred embodiment, pipe crimping 3 forms anti-slip tank 32 in the end near set screw nut 2, and anti-slip tank 32 is positioned at the periphery wall of pipe crimping 3; In addition, the block face 21 of set screw nut 2 forms straight burr flower tooth 211.In the utility model using process, anti-slip tank 32 can strengthen the frictional force between the inwall of mounting hole of pipe crimping 3 and fixture, and then strengthens the stability that the utility model is anchored on fixture; Straight burr flower tooth 211 can strengthen the frictional force between the block face 21 of pipe crimping 3 and set screw nut 2, and then prevents to skid between the set screw nut 2 and pipe crimping 3 in installation process.
Above content only is preferred embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, the part that all can change in specific embodiments and applications, this description should not be construed as restriction of the present utility model.
Claims (4)
1. structure improved sheep eye pull explosive screw, it is characterized in that: include screw rod (1), set screw nut (2) and expandable pipe crimping (3), screw rod (1) includes and is arranged in order and integrally formed hanging portion (11), the fixing part (13) of shoulder block (12) and flat, hanging portion (11) includes the bail (111) that encloses shape, the root of bail (111) is connected with shoulder block (12), fixing part (13) forms outside thread in the opposition side of shoulder block (12), set screw nut (2) can be bolted in the externally threaded end that has of fixing part (13) relatively versatilely, set screw nut (2) forms the block face (21) of conical surface shape, pipe crimping (3) be set in fixing part (13) and be installed in shoulder block (12) and the block face (21) of set screw nut (2) between.
2. a kind of structure improved sheep eye pull explosive screw according to claim 1, it is characterized in that: described pipe crimping (3) offers extended slot (31), and extended slot (31) axially extends from described shoulder block (12) one sides of described set screw nut (2) one side direction along pipe crimping (3).
3. a kind of structure improved sheep eye pull explosive screw according to claim 2 is characterized in that: described pipe crimping (3) forms anti-slip tank (32) in the end near described set screw nut (2), and anti-slip tank (32) is positioned at the periphery wall of pipe crimping (3).
4. a kind of structure improved sheep eye pull explosive screw according to claim 2 is characterized in that: the block face (21) of described set screw nut (2) forms straight burr flower tooth (211).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201780939U CN202082224U (en) | 2011-05-31 | 2011-05-31 | Eye expansion screw with improved structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201780939U CN202082224U (en) | 2011-05-31 | 2011-05-31 | Eye expansion screw with improved structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202082224U true CN202082224U (en) | 2011-12-21 |
Family
ID=45342854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201780939U Expired - Lifetime CN202082224U (en) | 2011-05-31 | 2011-05-31 | Eye expansion screw with improved structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202082224U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103727109A (en) * | 2012-10-16 | 2014-04-16 | 程长青 | Expansion screw free to assemble and disassemble |
-
2011
- 2011-05-31 CN CN2011201780939U patent/CN202082224U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103727109A (en) * | 2012-10-16 | 2014-04-16 | 程长青 | Expansion screw free to assemble and disassemble |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202082225U (en) | Hook pull blasting screw with improved structure | |
| CN202082224U (en) | Eye expansion screw with improved structure | |
| CN203051383U (en) | Sealing bolt with mounting function | |
| CN204139521U (en) | A kind of wall curtain brick suspension member with barb | |
| CN202883596U (en) | Anti-looseness expansion bolt | |
| CN103573769A (en) | Combination type expansion hook | |
| CN103883103B (en) | A kind of wallboard installing structure | |
| CN204531273U (en) | A kind of dry-hang stone alien invasion plate | |
| CN207714580U (en) | A kind of installation system of no crossbeam stone curtain wall | |
| CN203585021U (en) | Accumulator locking device and construction machinery | |
| CN202812478U (en) | Pipe clamp structure | |
| CN201424732Y (en) | Stayed suspended ceiling system | |
| RU129524U1 (en) | ANCHOR HIGH STRENGTH THREAD | |
| CN205261178U (en) | One -piece type string of wall support | |
| CN202892741U (en) | Connecting elbow of sprayer | |
| CN204804120U (en) | Cable anchor clamps | |
| CN201547095U (en) | Tight hanging screw bolt | |
| CN204139552U (en) | A kind of tubulose decorative thread | |
| CN204326433U (en) | A kind of pottery clay plates fixed connecting piece | |
| CN203627502U (en) | Rapid connecting and fixing device | |
| CN210685139U (en) | Fixed pendant device of building furred ceiling | |
| CN203081956U (en) | Hanging spring pin | |
| CN202597401U (en) | Dodecagon self-locking nut | |
| CN205780136U (en) | A kind of expansive fastening screw connection | |
| CN205806137U (en) | A kind of from expanding formula mechanical anchor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111221 |