CN206918027U - A kind of Anti-dismantle screw - Google Patents
A kind of Anti-dismantle screw Download PDFInfo
- Publication number
- CN206918027U CN206918027U CN201720426824.4U CN201720426824U CN206918027U CN 206918027 U CN206918027 U CN 206918027U CN 201720426824 U CN201720426824 U CN 201720426824U CN 206918027 U CN206918027 U CN 206918027U
- Authority
- CN
- China
- Prior art keywords
- connecting portion
- turn
- lead screw
- knob
- notch
- 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
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- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The utility model discloses a kind of Anti-dismantle screw, including lead screw and cap nut, one end that lead screw is connected with cap nut is provided with first connecting portion, cap nut includes second connecting portion and turn-knob portion, one end of second connecting portion is connected with first connecting portion, one end away from lead screw is connected with turn-knob portion in second connecting portion, second connecting portion is structure as a whole with turn-knob portion, first connecting portion is structure as a whole with second connecting portion, the external diameter of second connecting portion is gradually reduced by turn-knob portion to second connecting portion direction, the contact area of first connecting portion and second connecting portion is the half of lead screw cross-sectional area, one end away from second connecting portion is provided with notch in turn-knob portion, the outer rim of turn-knob portion is regular polygon.The Anti-dismantle screw is not easy to be disassembled, and simple in construction.
Description
Technical field
Screw is the utility model is related to, more particularly to a kind of Anti-dismantle screw.
Background technology
Screw is a kind of threaded fastener with various planform heads, is widely used in all trades and professions.Spiral shell
Silk is frequently used for used in some indoor and outdoors in equipment.Existing screw head structure is generally cross recess or a word
Groove, it can be opened using the conventional screwdriver that can purchase on the market usually, the equipment being attached using these screws,
Usually dismantled by criminal, the inner components of equipment is made equipment cisco unity malfunction by destroying, losing.
Utility model content
To solve above-mentioned problems of the prior art, the utility model offer is a kind of simple in construction, is not easy to be disassembled
Anti-dismantle screw.
The technical solution of the utility model is：A kind of Anti-dismantle screw, including lead screw and cap nut, the screw are provided
One end that bar is connected with cap nut is provided with first connecting portion, and the cap nut includes second connecting portion and turn-knob portion, and described
One end of two connecting portions is connected with the first connecting portion, one end in the second connecting portion away from lead screw and the turn-knob
Portion connects, and the second connecting portion is structure as a whole with the turn-knob portion, and the first connecting portion is with the second connecting portion
Integrative-structure, the external diameter of the second connecting portion are gradually reduced by turn-knob portion to second connecting portion direction, the first connecting portion
With the half that the contact area of the second connecting portion is the lead screw cross-sectional area, away from the in the turn-knob portion
One end of two connecting portions is provided with notch, and the outer rim of the turn-knob portion is shaped as regular polygon.
The notch is in-line notch, or cross notch.
A kind of Anti-dismantle screw, including lead screw and cap nut, one end that the lead screw is connected with cap nut are also provided
Be provided with first connecting portion, the cap nut includes second connecting portion and turn-knob portion, one end of the second connecting portion with it is described
First connecting portion is connected, and one end away from lead screw is connected with the turn-knob portion in the second connecting portion, first connection
Portion caves inward to form four mounting holes being circularly and evenly distributed with the end face that the second connecting portion is connected, and described second connects
Socket part and the end face that the first connecting portion is connected are provided with four and being circularly and evenly distributed are adapted with the mounting hole
Projection, the deep equality of the length of the projection and the mounting hole, one end away from second connecting portion is set in the turn-knob portion
Notch is equipped with, the outer rim of the turn-knob portion is shaped as regular polygon.
The notch is in-line notch, or cross notch.
The utility model proposes Anti-dismantle screw lead screw fastening after, by twisting into two parts lead screw and cap nut spiral shell
Screw mandrel is not easy to be disassembled, and simple in construction；Or after lead screw fastening, by the way that lead screw is separated into screw with cap nut
Bar is not easy to be disassembled, and simple in construction.
Brief description of the drawings
Fig. 1 is the structure chart of Anti-dismantle screw in the utility model the first embodiment.
Fig. 2 is the structure chart of Anti-dismantle screw in second of embodiment of the utility model.
Fig. 3 is the schematic diagram viewed from above of the lead screw in Fig. 2.
Fig. 4 is the schematic diagram that the cap nut in Fig. 2 is seen from the bottom up.
Fig. 5 is the schematic diagram viewed from above of the cap nut in Fig. 2.
Embodiment
Such as Fig. 1, the Anti-dismantle screw in the present embodiment, including lead screw 1 and cap nut 2, lead screw 1 connect with cap nut 2
The one end connect is provided with first connecting portion 11, and cap nut 2 includes second connecting portion 21 and turn-knob portion 22.The one of second connecting portion 21
End is connected with first connecting portion 11, and one end away from lead screw 1 is connected with turn-knob portion 22 in second connecting portion 21.Second connecting portion
21 are structure as a whole with turn-knob portion 22, and first connecting portion 11 is structure as a whole with second connecting portion 21.Outside second connecting portion 21
Footpath is gradually reduced by turn-knob portion 22 to the direction of second connecting portion 21, and the contact area of first connecting portion 11 and second connecting portion 21 is
The half of the cross-sectional area of lead screw 1, it is ensured that can tighten lead screw by turn-knob portion during installation, then firmly when
And can enough twists into two parts second connecting portion and first connecting portion.First connecting portion and second connecting portion can be set according to actual conditions
Contact area.
One end away from second connecting portion 21 is provided with notch in turn-knob portion 22, and the outer rim of turn-knob portion 22 is shaped as just polygon
Shape.So second is twisted into two parts in the outer rim of turn-knob portion using specific instrumental purpose come screwing screw bar using screw tool
Connecting portion and first connecting portion.Can also directly by specific instrumental purpose in the outer rim of turn-knob portion come screwing screw bar,
Then second connecting portion and first connecting portion are twisted into two parts again, and such lead screw is just not easy to be disassembled.
Notch is in-line notch, or cross notch.
Such as Fig. 2 to Fig. 4, the Anti-dismantle screw in the present embodiment, including lead screw 1 and cap nut 2, lead screw 1 and screw
One end that cap 2 connects is provided with first connecting portion 11, and cap nut 2 includes second connecting portion 21 and turn-knob portion 22.Second connecting portion
21 one end is connected with first connecting portion 11, and one end away from lead screw 1 is connected with turn-knob portion 22 in second connecting portion 21.First
Connecting portion 11 caves inward to form four mounting holes being circularly and evenly distributed 111, phase with the end face that second connecting portion 21 is connected
Angle between adjacent two mounting holes 111 is 90 degree.The end face that second connecting portion 21 is connected with first connecting portion 11 is provided with four
The individual projection 211 being circularly and evenly distributed being adapted with mounting hole, the length of projection 211 and the deep equality of mounting hole 111.
Such as Fig. 5, one end away from second connecting portion 21 is provided with notch 221 in turn-knob portion 22, and the outer rim of turn-knob portion 22 is shaped as just more
Side shape.
During installation, cap nut 2 is connected with lead screw 1 with the cooperation of mounting hole 111 by projection 211, then utilizes spiral shell
Silk instrument or other specific instruments carry out screwing screw bar, remove cap nut from lead screw after screwing, cap nut
After removing, lead screw is just not easy to be removed.
Notch is in-line notch, or cross notch.In the present embodiment, notch is cross notch, turn-knob portion
Outer rim is shaped as regular hexagon.
Only to illustrate design of the present utility model, one of ordinary skill in the art's specific embodiment above exists
Various deformation and change can be made under design of the present utility model, these deformations and change are included in guarantor of the present utility model
Within the scope of shield.
Claims (4)
1. a kind of Anti-dismantle screw, including lead screw and cap nut, it is characterised in that the lead screw be connected with cap nut one
End is provided with first connecting portion, and the cap nut includes second connecting portion and turn-knob portion, one end of the second connecting portion and institute
First connecting portion connection is stated, one end away from lead screw is connected with the turn-knob portion in the second connecting portion, and described second connects
Socket part is structure as a whole with the turn-knob portion, and the first connecting portion is structure as a whole with the second connecting portion, and described second
The external diameter of connecting portion is gradually reduced by turn-knob portion to second connecting portion direction, the first connecting portion and the second connecting portion
Contact area is the half of the lead screw cross-sectional area, and one end away from second connecting portion is set in the turn-knob portion
There is notch, the outer rim of the turn-knob portion is shaped as regular polygon.
2. Anti-dismantle screw according to claim 1, it is characterised in that the notch is in-line notch, or cross
Shape notch.
3. a kind of Anti-dismantle screw, including lead screw and cap nut, it is characterised in that the lead screw be connected with cap nut one
End is provided with first connecting portion, and the cap nut includes second connecting portion and turn-knob portion, one end of the second connecting portion and institute
First connecting portion connection is stated, one end away from lead screw is connected with the turn-knob portion in the second connecting portion, and described first connects
Socket part caves inward to form four mounting holes being circularly and evenly distributed with the end face that the second connecting portion is connected, and described second
Connecting portion and the end face that the first connecting portion is connected are provided with four and being circularly and evenly distributed are adapted with the mounting hole
Projection, the deep equality of the length of the projection and the mounting hole, one end away from second connecting portion in the turn-knob portion
Notch is provided with, the outer rim of the turn-knob portion is shaped as regular polygon.
4. Anti-dismantle screw according to claim 3, it is characterised in that the notch is in-line notch, or cross
Shape notch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720426824.4U CN206918027U (en) | 2017-04-21 | 2017-04-21 | A kind of Anti-dismantle screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720426824.4U CN206918027U (en) | 2017-04-21 | 2017-04-21 | A kind of Anti-dismantle screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206918027U true CN206918027U (en) | 2018-01-23 |
Family
ID=61305405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720426824.4U Expired - Fee Related CN206918027U (en) | 2017-04-21 | 2017-04-21 | A kind of Anti-dismantle screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206918027U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110159635A (en) * | 2019-06-10 | 2019-08-23 | 宁波颐道照明有限公司 | It is a kind of to determine torsion screw and its design method |
| CN113048131A (en) * | 2019-12-27 | 2021-06-29 | 上海申标标准件有限公司 | Multipurpose bolt |
-
2017
- 2017-04-21 CN CN201720426824.4U patent/CN206918027U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110159635A (en) * | 2019-06-10 | 2019-08-23 | 宁波颐道照明有限公司 | It is a kind of to determine torsion screw and its design method |
| CN113048131A (en) * | 2019-12-27 | 2021-06-29 | 上海申标标准件有限公司 | Multipurpose bolt |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180125 Address after: Shenzhen Baoan District City, Guangdong province 518000 stream Tang Lu Fu door C3-1304 room Co-patentee after: Shenzhen Jin Pin Technology Co., Ltd. Patentee after: Xie Bin Address before: 518000 Shenzhen Baoan District Fuyong street, Baoan District Fuyong Street Qiaotou District Ji'an Tai Industrial Park, fourth storey East Co-patentee before: Jin Weimin Patentee before: Xie Bin |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180123 Termination date: 20180421 |