CN205806159U - A kind of screw rod dismantling difficulty - Google Patents
A kind of screw rod dismantling difficulty Download PDFInfo
- Publication number
- CN205806159U CN205806159U CN201620686784.2U CN201620686784U CN205806159U CN 205806159 U CN205806159 U CN 205806159U CN 201620686784 U CN201620686784 U CN 201620686784U CN 205806159 U CN205806159 U CN 205806159U
- Authority
- CN
- China
- Prior art keywords
- groove
- draw
- fixture block
- fixing head
- screw rod
- 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 - Fee Related
Links
Landscapes
- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
Abstract
The utility model discloses a kind of screw rod dismantling difficulty, including shaft, fixing head, draw-in groove, fixture block, turn hole, described shaft outer wall is provided with external screw thread, shaft top is fixed with fixing head, and described fixing head is cylinder, is provided with draw-in groove in the middle part of fixing head, described draw-in groove cross section ovalize, being provided with a fixture block matched with draw-in groove in described draw-in groove, be provided with and turn hole in the middle part of fixture block, turning hole cross section is regular hexagon.This utility model, by being arranged in fixing head by oval draw-in groove, coordinates with the fixture block turning hole so that when being provided with fixture block, screw rod is easily turned, and after removing fixture block, screw rod is difficult to be turned, and reaches antitheft purpose；Arranging of through hole can effectively be discharged accumulating in the dew of card trench bottom etc. in time, effectively avoids fixing head to be corroded；Card tile height makes fixture block be easy to be removed more than the degree of depth of draw-in groove, easy to use.
Description
[technical field]
This utility model relates to the technical field of the technical field of securing member, particularly screw rod.
[background technology]
Screw rod is a kind of conventional securing member, is used in the various occasion needing and connecting widely.General screw rod only has
The effect of fastening, its dismounting is more convenient.The facility being positioned at outdoor for some, has some lawless persons dismantling screw to setting
Execute the specific configuration carrying out destroying or check in facility, be unfavorable for the safety of facility.
[utility model content]
The purpose of this utility model solves the problems of the prior art exactly, proposes a kind of screw rod dismantling difficulty, it is possible to
After making screw rod install, dismounting difficulty, reaches antitheft purpose.
For achieving the above object, the utility model proposes a kind of screw rod dismantling difficulty, including shaft, fixing head, card
Groove, fixture block, turning hole, described shaft outer wall is provided with external screw thread, and shaft top is fixed with fixing head, and described fixing head is cylinder
Shape, is provided with draw-in groove, described draw-in groove cross section ovalize, is provided with one and matches with draw-in groove in described draw-in groove in the middle part of fixing head
Fixture block, be provided with in the middle part of fixture block and turn hole, turning hole cross section is regular hexagon.
As preferably, described fixing head sidewall is provided with some through holes obliquely, and through hole is connected with card trench bottom.
As preferably, being interference fits between described fixture block and draw-in groove, card tile height is more than the degree of depth of draw-in groove.
The beneficial effects of the utility model: this utility model, by being arranged in fixing head by oval draw-in groove, coordinates
With the fixture block turning hole so that when being provided with fixture block, screw rod is easily turned, after removing fixture block, screw rod is difficult to be turned, and reaches
Antitheft purpose；Arranging of through hole can effectively be discharged accumulating in the dew of card trench bottom etc. in time, effectively avoids solid
Determine head to be corroded；Card tile height makes fixture block be easy to be removed more than the degree of depth of draw-in groove, easy to use.
Feature of the present utility model and advantage will combine accompanying drawing by embodiment and be described in detail.
[accompanying drawing explanation]
Fig. 1 is the front view of a kind of screw rod dismantling difficulty of this utility model；
Fig. 2 is the fixing head top view of a kind of screw rod dismantling difficulty of this utility model.
In figure: 1-shaft, 2-fixing head, 3-fixture block, 10-external screw thread, 20-draw-in groove, 21-through hole, 30-turn hole.
[detailed description of the invention]
Refering to Fig. 1 and Fig. 2, a kind of screw rod dismantling difficulty of this utility model, including shaft 1, fixing head 2, draw-in groove 20, card
Block 3, turning hole 30, described shaft 1 outer wall is provided with external screw thread 10, and shaft 1 top is fixed with fixing head 2, described fixing head 2 in
Cylinder, is provided with draw-in groove 20, described draw-in groove 20 cross section ovalize, is provided with one in described draw-in groove 20 in the middle part of fixing head 2
The fixture block 3 matched with draw-in groove 20, is provided with in the middle part of fixture block 3 and turns hole 30, and turning hole 30 cross section is regular hexagon, described fixing
2 sidewalls are provided with some through holes 21 obliquely, and through hole 21 is connected bottom draw-in groove 20, described fixture block 3 and draw-in groove 20 it
Between be interference fits, fixture block 3 height is more than the degree of depth of draw-in groove 20.
Utility model works process:
This utility model is a kind of dismantles the screw rod of difficulty in the course of the work, is stuck in draw-in groove 20 by fixture block 3, by interior hexagonal
Spanner is inserted in turning hole 30 and turns screw rod, after screw rod is tightened, is taken out by fixture block 3, now due to draw-in groove 20 ovalize, Gu
Fixed 2 in cylinder, screw rod is difficult to be turned so that screw rod general tool dismounting difficulty, needs when disassembly is desired again
Fixture block 3 is reentered in draw-in groove 20.
Above-described embodiment is to explanation of the present utility model, is not to restriction of the present utility model, any new to this practicality
Scheme after type simple transformation belongs to protection domain of the present utility model.
Claims (3)
1. the screw rod dismantling difficulty, it is characterised in that: include shaft (1), fixing head (2), draw-in groove (20), fixture block (3), twist
Dynamic hole (30), described shaft (1) outer wall is provided with external screw thread (10), and shaft (1) top is fixed with fixing head (2), described fixing
Head (2) is in cylinder, and fixing head (2) middle part is provided with draw-in groove (20), described draw-in groove (20) cross section ovalize, described draw-in groove
(20) being provided with a fixture block (3) matched with draw-in groove (20) in, fixture block (3) middle part is provided with and turns hole (30), turns hole (30)
Cross section is regular hexagon.
A kind of screw rod dismantling difficulty the most as claimed in claim 1, it is characterised in that: described fixing head (2) sidewall is provided with
Some through holes (21) obliquely, through hole (21) is connected with draw-in groove (20) bottom.
A kind of screw rod dismantling difficulty the most as claimed in claim 1, it is characterised in that: described fixture block (3) and draw-in groove (20) it
Between be interference fits, fixture block (3) height is more than the degree of depth of draw-in groove (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620686784.2U CN205806159U (en) | 2016-06-27 | 2016-06-27 | A kind of screw rod dismantling difficulty |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620686784.2U CN205806159U (en) | 2016-06-27 | 2016-06-27 | A kind of screw rod dismantling difficulty |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205806159U true CN205806159U (en) | 2016-12-14 |
Family
ID=57512298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620686784.2U Expired - Fee Related CN205806159U (en) | 2016-06-27 | 2016-06-27 | A kind of screw rod dismantling difficulty |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205806159U (en) |
-
2016
- 2016-06-27 CN CN201620686784.2U patent/CN205806159U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161214 Termination date: 20180627 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |