CN207673678U - Umbrella shape bracing type swell fixture and expansion tube - Google Patents
Umbrella shape bracing type swell fixture and expansion tube Download PDFInfo
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- CN207673678U CN207673678U CN201721768512.8U CN201721768512U CN207673678U CN 207673678 U CN207673678 U CN 207673678U CN 201721768512 U CN201721768512 U CN 201721768512U CN 207673678 U CN207673678 U CN 207673678U
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Abstract
The utility model discloses a kind of umbrella shape bracing type expansion tubes, including expansion tube body, and the outer end for expanding tube body is equipped with outer end-stopping plate, inner end is equipped with interior end seat, and intermediate expansion section is equipped between outer end-stopping plate and interior end seat, hollow inner cavity is equipped in intermediate expansion section；Annular is laid at least three dilatation joints in intermediate expansion section, and expansion muscle is formed between adjacent twice dilatation joint, expands the middle part bending of muscle and is protruded to radially outward direction；Outer end-stopping plate is equipped with the outer end through-hole being connected with the inner cavity of intermediate expansion section, and interior end seat is equipped with inner end through-hole that is coaxial with outer end through-hole and being connected with the inner cavity of intermediate expansion section, internal thread is equipped in the inner end through-hole.The invention also discloses a kind of umbrella shape bracing type swell fixtures, including screw rod and umbrella shape bracing type expansion tube as described above, one end of the screw rod passes through the outer end through-hole and coordinates with the inner end through hole whorl, and the screw rod is equipped with the spacing ring that outer diameter is more than the outer end through-hole.
Description
Technical field
The utility model is related to a kind of fasteners, are specifically a kind of umbrella shape bracing type swell fixture and expansion tube.
Background technology
Setscrew generally be metallic expansive screw, the fixation of setscrew is to promote to expand using wedge-shaped gradient
Friction bond stress is generated, fixed effect is reached.One, screw is screw thread, and one tapered.One iron sheet of outer bread（Has plenty of steel
Pipe）, iron sheet cylinder（Steel pipe）Half has several notch, they is filled in together in the hole accomplished fluently on wall, then split nut, nut
Screw is pulled outward, taper is pulled in into iron sheet cylinder, iron sheet cylinder is then tightly secured on wall by spreading, is generally used for preventing
The fastening on the materials such as cement, brick such as guardrail, canopy, air-conditioning.
Setscrew is made of components such as screw rod and expansion tubes, and screw rod tail is coniform, and the internal diameter of circular cone is more than expansion
Bore.When nut is tightened, screw rod is displaced outwardly, and so that tapered segment is moved by the axial movement of screw thread, Jin Er
The peripheral surface of expansion tube forms prodigious normal pressure, in addition the angle very little of circular cone, to make shape between wall, expansion tube and circular cone
At friction self-locking, and then reach fixed function.
Although existing setscrew disclosure satisfy that requirement to a certain extent, the dilatancy of expansion tube
The screwing force of nut is relied primarily on, that is, needs to cover loading nut on screw rod, not only increases connector, and inconvenient.
Invention content
In view of this, the purpose of this utility model is to provide a kind of umbrella shape bracing type swell fixture and expansion tubes, not only
Bearing capacity can be increased, and structure is simpler, operation is more convenient.
In order to achieve the above objectives, the utility model provides the following technical solutions：
The utility model first proposed a kind of umbrella shape bracing type expansion tube, including expansion tube body, the expansion tube sheet
The outer end of body is equipped with outer end-stopping plate, inner end is equipped with interior end seat, and intermediate expansion section, institute are equipped between the outer end-stopping plate and interior end seat
It states and is equipped with hollow inner cavity in intermediate expansion section；
Annular is laid at least three dilatation joints in the intermediate expansion section, is formed between dilatation joint described in adjacent twice
Muscle is expanded, the middle part bending of the expansion muscle is simultaneously protruded to radially outward direction；
The outer end-stopping plate is equipped with the outer end through-hole that is connected with the inner cavity of the intermediate expansion section, in the interior end seat
Equipped with inner end through-hole that is coaxial with the outer end through-hole and being connected with the inner cavity of the intermediate expansion section, in the inner end through-hole
Equipped with internal thread.
Further, the medial surface of the outer end-stopping plate towards the interior end seat is equipped with for preventing the expansion tube body
The position limiting structure of rotation.
Further, the position limiting structure is the claw being arranged on the outer end-stopping plate medial surface.
Further, the claw is arranged along radial direction.
Further, it is at least two that the claw annular, which is uniformly arranged,.
Further, the expansion muscle is equipped with the reinforcing rib for reinforcing its intensity.
The utility model also proposed a kind of umbrella shape bracing type swell fixture, including screw rod and umbrella shape as described above strut
One end of formula expansion tube, the screw rod passes through the outer end through-hole and coordinates with the inner end through hole whorl, is set on the screw rod
There is outer diameter to be more than the spacing ring of the outer end through-hole.
Further, the other end of the screw rod is equipped with screw head, screw hooks, sheep eye hook or right angle hook.
The beneficial effects of the utility model are：
The umbrella shape bracing type swell fixture of the utility model, by the way that outer end-stopping plate is respectively set at the both ends of intermediate expansion section
With interior end seat, and internal thread is set in the through-hole of inner end, in this way, screw rod coordinates after passing through outer end through-hole with inner end through hole whorl,
Under the position-limiting action of spacing ring, intermediate expansion section can be driven to deform, reach fixed purpose, bearing capacity can not only be increased,
And structure is simpler, and operation is more convenient.
Description of the drawings
In order to keep the purpose of this utility model, technical solution and advantageous effect clearer, the utility model provides as follows
Attached drawing illustrates：
Fig. 1 is the structural schematic diagram of the utility model umbrella shape bracing type swell fixture embodiment；
Fig. 2 is the expanded view of intermediate expansion section；
Fig. 3 is structural schematic diagram when screw hooks being arranged on the screw rod of umbrella shape bracing type swell fixture；
Fig. 4 is structural schematic diagram when sheep eye hook being arranged on the screw rod of umbrella shape bracing type swell fixture；
Fig. 5 is structural schematic diagram when right angle hook being arranged on the screw rod of umbrella shape bracing type swell fixture.
Specific implementation mode
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, so that those skilled in the art
The utility model can be better understood from and can be practiced, but illustrated embodiment is not as the restriction to the utility model.
As shown in Figure 1, for the structural schematic diagram of the utility model umbrella shape bracing type swell fixture embodiment.The present embodiment
Umbrella shape bracing type swell fixture, including screw rod 9 and umbrella shape bracing type expansion tube.The umbrella shape bracing type expansion tube of the present embodiment includes
Expand tube body, the outer end for expanding tube body is equipped with outer end-stopping plate 1, inner end is equipped with interior end seat 2, outer end-stopping plate 1 and interior end seat 2 it
Between be equipped with intermediate expansion section 3, hollow inner cavity is equipped in intermediate expansion section 3.Annular is laid at least three in intermediate expansion section 3
Road dilatation joint 4 forms expansion muscle 5 between adjacent twice dilatation joint 4, expands the middle part bending of muscle 5 and to radially outward direction
Protrusion.Outer end-stopping plate 1 is equipped with the outer end through-hole being connected with the inner cavity of intermediate expansion section 3, and interior end seat 2 is equipped with logical with outer end
Hole is coaxial and the inner end through-hole 6 that is connected with the inner cavity of intermediate expansion section 3, and internal thread is equipped in inner end through-hole 6.The present embodiment
One end of screw rod 9 pass through outer end through-hole and with 6 screw-thread fit of inner end through-hole, screw rod 9 be equipped with outer diameter be more than outer end through-hole limit
Position ring 10.
The medial surface of the outer end-stopping plate 1 of the present embodiment towards interior end seat 2 is equipped with for preventing expansion tube body rotation
Position limiting structure.The position limiting structure of the present embodiment is the claw 7 being arranged on 1 medial surface of outer end-stopping plate.7 edge of claw of the present embodiment
Radial direction setting, and it is at least two that 7 annular of claw, which is uniformly arranged,.
The expansion muscle 5 of the present embodiment is equipped with the reinforcing rib 8 for reinforcing its intensity.The screw rod 9 of the present embodiment it is another
End is equipped with screw head 14, screw hooks 11, sheep eye hook 12 or right angle hook 13, as shown in Figures 1 to 4.The screw rod 9 of the present embodiment it is another
One end is equipped with screw head 14.
The umbrella shape bracing type swell fixture of the present embodiment, by the both ends of intermediate expansion section be respectively set outer end-stopping plate and
Interior end seat, and internal thread is set in the through-hole of inner end, in this way, screw rod coordinates after passing through outer end through-hole with inner end through hole whorl,
Under the position-limiting action of spacing ring, intermediate expansion section can be driven to deform, reach fixed purpose, bearing capacity can not only be increased, and
And structure is simpler, operation is more convenient.
Embodiment described above is only the preferred embodiment lifted to absolutely prove the utility model, the utility model
Protection domain it is without being limited thereto.Those skilled in the art on the basis of the utility model made by equivalent substitute or change
It changes, both is within the protection scope of the present invention.The scope of protection of the utility model is subject to claims.
Claims (8)
1. a kind of umbrella shape bracing type expansion tube, it is characterised in that：Including expanding tube body, the outer end of the expansion tube body is equipped with
Outer end-stopping plate（1）, inner end be equipped with interior end seat（2）, the outer end-stopping plate（1）With interior end seat（2）Between be equipped with intermediate expansion section
（3）, the intermediate expansion section（3）It is interior to be equipped with hollow inner cavity；
The intermediate expansion section（3）Upper annular is laid at least three dilatation joints（4）, dilatation joint described in adjacent twice（4）It
Between formed expansion muscle（5）, the expansion muscle（5）Middle part bending and to radially outward direction protrude；
The outer end-stopping plate（1）It is equipped with and the intermediate expansion section（3）The outer end through-hole that is connected of inner cavity, the interior end seat
（2）Be equipped with the outer end through-hole it is coaxial and with the intermediate expansion section（3）The inner end through-hole that is connected of inner cavity（6）, institute
State inner end through-hole（6）It is interior to be equipped with internal thread.
2. umbrella shape bracing type expansion tube according to claim 1, it is characterised in that：The outer end-stopping plate（1）Described in
Interior end seat（2）Medial surface be equipped with for prevent it is described expansion tube body rotate position limiting structure.
3. umbrella shape bracing type expansion tube according to claim 2, it is characterised in that：The position limiting structure is to be arranged described
Outer end-stopping plate（1）Claw on medial surface（7）.
4. umbrella shape bracing type expansion tube according to claim 3, it is characterised in that：The claw（7）Along radial direction
Setting.
5. umbrella shape bracing type expansion tube according to claim 3 or 4, it is characterised in that：The claw（7）Annular is laid
It is set at least two.
6. according to claim 1-4 any one of them umbrella shape bracing type expansion tubes, it is characterised in that：The expansion muscle（5）On
Equipped with the reinforcing rib for reinforcing its intensity（8）.
7. a kind of umbrella shape bracing type swell fixture, it is characterised in that：Including screw rod（9）With as described in claim any one of 1-6
Umbrella shape bracing type expansion tube, the screw rod（9）One end pass through the outer end through-hole and with the inner end through-hole（6）Screw thread is matched
It closes, the screw rod（9）It is equipped with the spacing ring that outer diameter is more than the outer end through-hole（10）.
8. umbrella shape bracing type swell fixture according to claim 7, it is characterised in that：The screw rod（9）The other end set
There is screw head（14）, screw hooks（11）, sheep eye hook（12）Or right angle hook（13）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721768512.8U CN207673678U (en) | 2017-12-18 | 2017-12-18 | Umbrella shape bracing type swell fixture and expansion tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721768512.8U CN207673678U (en) | 2017-12-18 | 2017-12-18 | Umbrella shape bracing type swell fixture and expansion tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207673678U true CN207673678U (en) | 2018-07-31 |
Family
ID=62969148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721768512.8U Active CN207673678U (en) | 2017-12-18 | 2017-12-18 | Umbrella shape bracing type swell fixture and expansion tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207673678U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112081455A (en) * | 2020-09-04 | 2020-12-15 | 广东坚朗五金制品股份有限公司 | Handle subassembly and door and window system |
| WO2022077691A1 (en) * | 2020-10-13 | 2022-04-21 | 苏州科逸住宅设备股份有限公司 | Expansion screw for wall plate |
| WO2023164803A1 (en) * | 2022-03-01 | 2023-09-07 | 施成颖 | Assembling device |
-
2017
- 2017-12-18 CN CN201721768512.8U patent/CN207673678U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112081455A (en) * | 2020-09-04 | 2020-12-15 | 广东坚朗五金制品股份有限公司 | Handle subassembly and door and window system |
| WO2022077691A1 (en) * | 2020-10-13 | 2022-04-21 | 苏州科逸住宅设备股份有限公司 | Expansion screw for wall plate |
| WO2023164803A1 (en) * | 2022-03-01 | 2023-09-07 | 施成颖 | Assembling device |
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| GR01 | Patent grant |