CN107575464A - A kind of screw - Google Patents
A kind of screw Download PDFInfo
- Publication number
- CN107575464A CN107575464A CN201710681873.7A CN201710681873A CN107575464A CN 107575464 A CN107575464 A CN 107575464A CN 201710681873 A CN201710681873 A CN 201710681873A CN 107575464 A CN107575464 A CN 107575464A
- Authority
- CN
- China
- Prior art keywords
- nut
- screw
- pliers
- connecting rod
- semicircular
- 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
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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The invention discloses a kind of screw, belong to machanical fastener technical field, including driving screw, be fixed on semicircular first nut of driving screw one end and be connected to second nut for being used to coordinate with screwdriver or pliers on the semicircular surface top of the first nut.The present invention can avoid theft librarian use common wrench or screw is unloaded and stolen by locking member by pliers, improve by the security of locking member.
Description
Technical field
The invention belongs to machanical fastener technical field, is to be related to a kind of screw more specifically.
Background technology
The casing screw of existing distribution transformer uses common screw, i.e., is made up of nut and screw rod, is mark
Quasi- part, the theftproof performance of transformer is very poor, and thief only needs to use common screwdriver or pliers to back out screw and can stolen
The surreptitiously movement of transformer.At present, domestic transformer theft accident frequently occurs, and the property to the country and people causes very big
Loss.
The content of the invention
It is an object of the invention to provide a kind of screw, it is intended to which the librarian use common wrench that avoids theft or pliers are by screw
Unload and steal by locking member, improve by the security of locking member.
In order to solve the above technical problems, the technical solution used in the present invention is：
A kind of screw, including driving screw, be fixed on semicircular first nut of driving screw one end and be connected to the first nut
Semicircular surface top the second nut for being used to coordinate with screwdriver or pliers.
Preferably, it is fixedly connected between first nut and second nut by connecting rod.
Preferably, the connecting rod is tubular structure.
Preferably, second nut is provided with externally threaded auxiliary threaded rod and first nut by what is be secured to
It is detachably connected, the driving screw and the external thread rotary on the auxiliary threaded rod are to identical.
Preferably, second nut is hexagon nut.
Preferably, first nut is coaxially set with the second nut.
It is using beneficial effect caused by above-mentioned technical proposal：Compared with the normal screws of prior art, the present invention
The design of double nut is employed, the first nut is fixed on the end of driving screw, and the connection of its structure is identical with common screw, the
The upper end of the semicircular surface of one nut connects the second nut, and the effect of the second nut mainly coordinates with screwdriver or pliers,
Screw is screwed into screw hole, then removed the second nut from the first nut.Because the first nut is semicircular surface,
It can not be reinforced, screw dismounting can not be got off using in general screwdriver or pliers, therefore, this screw is prevented with certain
Robber acts on, and the casing that the personnel that can avoid theft open distribution transformer steals movement, ensure that the comparatively safe of transformer, protects
The property safety of the country and people is protected.
Brief description of the drawings
Fig. 1 is the structural representation of one embodiment of the invention；
Fig. 2 is the structural representation of another embodiment of the present invention；
Fig. 3 is the structural representation of another embodiment of the invention；
Each figure number is entitled：1-driving screw, the 2-the first nut, 3-connecting rod, the 4-the second nut, 5-auxiliary threaded rod.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with the accompanying drawings and embodiment pair
The present invention is described in further detail.It should be appreciated that specific embodiment described herein is used only for explaining the present invention, and
It is not used in the restriction present invention.
It should be noted that when element is referred to as " being fixed on " or " being arranged at " another element, it can be directly another
On one element or it is connected on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.
It is to be appreciated that term " length ", " width ", " on ", " under ", "front", "rear", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " top ", " bottom " " interior ", " outer " are to be closed based on orientation shown in the drawings or position
System, it is for only for ease of and describes the present invention and simplify description, rather than indicates or imply that signified device or element must have
Specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the invention, " multiple " are meant that two or more,
Unless otherwise specifically defined.
It refer to shown in Fig. 1, the present invention includes driving screw 1, is fixed on semicircular first nut 2 of the one end of driving screw 1
And it is connected to second nut 4 for being used to coordinate with screwdriver or pliers on the semicircular surface top of the first nut 2.
The screw of above-mentioned design, double nut design is employed, the first nut 2 is fixed on the end of driving screw 1, and its structure connects
Connect it is identical with common screw, the first nut 2 semicircular surface upper end connect the second nut 4, the effect of the second nut 4
Mainly coordinate with screwdriver or pliers, screw is screwed into screw hole, then removed the second nut 4 from the first nut 2.
Because the first nut 1 is semicircular surface, can not be reinforced using in general screwdriver or pliers, can not be by screw dismounting
Get off, therefore, this screw has certain anti-theft function, and the casing that the personnel that can avoid theft open distribution transformer steals machine
Core, the comparatively safe of transformer is ensure that, protect the property safety of the country and people.
Further, refer to shown in Fig. 2, as a kind of embodiment of screw provided by the invention, described
It is fixedly connected between one nut 2 and second nut 2 by connecting rod 3, is in particular to use to be welded and fixed, specifically may be used
To be connected using spot welding.
The design of above-mentioned connecting rod 3, mainly facilitate the second nut 4 to be separated with the first nut 2, after screw is tightened, adopt
It is with instruments such as saw blades that the root being connected with the first nut 2 of connecting rod 3 is sawed-off, then polished or pounded it is flat, it is outside several
The instruments such as gapless, screwdriver or pliers can not reinforce, and can not open transformer can steal movement, ensure that transformation
The safety of device.
Further, refer to shown in Fig. 2, as a kind of embodiment of screw provided by the invention, the company
Bar 3 is tubular structure.
The design of above described tubular, it mainly take into account convenience when connecting rod 3 is removed from the first nut 2 and laborsaving ask
Topic, it is limited with the connection area of the first nut 2 when connecting rod 3 is using body, after completing twist-on operation, operator's craft
Second nut 4 from the first nut 2 is broken down or twisted into two parts together with connecting rod 3, it is more convenient and laborsaving.
Further, refer to shown in Fig. 3, as a kind of embodiment of screw provided by the invention, described
Two nuts 4 are detachably connected by what is be secured to provided with externally threaded auxiliary threaded rod 5 with first nut 2, in the first spiral shell
Upper end is provided with the screwed hole coordinated with auxiliary threaded rod 5 on the semicircular surface of cap 2, on the driving screw 1 and the auxiliary threaded rod 5
External thread rotary to identical.
Above-mentioned structure design, the second nut 4 can be reused, after by screw tightening, by the second nut 4 from first
Backed out on nut 2, the second nut 4 can also be used cooperatively with other first nuts 2, reduced and wasted, can reduce production cost.
Further, body 1 is refer to shown in Fig. 3, as a kind of embodiment of screw provided by the invention, institute
It is hexagon nut to state the second nut 4.
The design of above-mentioned hexagon nut, primarily to convenient force during pliers twist-on, more convenient and strength-saving.
Further, refer to shown in body 1, as a kind of embodiment of screw provided by the invention, described
One nut 2 is coaxially set with the second nut 4；Certainly, refer to shown in Fig. 2, first nut 2, the spiral shell of connecting rod 3 and second
Cap 4 is coaxially set；It refer to shown in Fig. 3, first nut 2,5 and second nut of auxiliary threaded rod, 4 equal coaxial line are set
Put.
Said structure design, on the one hand better appearance in appearance, on the other hand, uniform force during twist-on, facilitate twist-on.
Specific case used herein is set forth to the principle and embodiment of the present invention, and above example is said
It is bright to be only intended to help the method and its core concept for understanding the present invention.It should be pointed out that the ordinary skill for the art
For personnel, under the premise without departing from the principles of the invention, some improvement and modification, these improvement can also be carried out to the present invention
Also fallen into modification in the protection domain of the claims in the present invention.
Claims (6)
- A kind of 1. screw, it is characterised in that：Including driving screw（1）, be fixed on driving screw（1）Semicircular first nut of one end （2）And it is connected to the first nut（2）Semicircular surface top the second nut for being used to coordinate with screwdriver or pliers （4）.
- A kind of 2. screw according to claim 1, it is characterised in that：First nut（2）With second nut（2） Between pass through connecting rod（3）It is fixedly connected.
- A kind of 3. screw according to claim 2, it is characterised in that：The connecting rod（3）For tubular structure.
- A kind of 4. screw according to claim 1, it is characterised in that：Second nut（4）Set by what is be secured to There is externally threaded auxiliary threaded rod（5）With first nut（2）It is detachably connected, the driving screw（1）With the auxiliary threaded rod （5）On external thread rotary to identical.
- A kind of 5. screw according to claim 1, it is characterised in that：Second nut（4）For hexagon nut.
- A kind of 6. screw according to claim 5, it is characterised in that：First nut（2）With the second nut（4）Coaxially Line is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710681873.7A CN107575464A (en) | 2017-08-10 | 2017-08-10 | A kind of screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710681873.7A CN107575464A (en) | 2017-08-10 | 2017-08-10 | A kind of screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107575464A true CN107575464A (en) | 2018-01-12 |
Family
ID=61034392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710681873.7A Pending CN107575464A (en) | 2017-08-10 | 2017-08-10 | A kind of screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107575464A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108953357A (en) * | 2018-07-27 | 2018-12-07 | 国家电网有限公司 | Anti-theft bolt and dismantling spanner |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203098537U (en) * | 2013-03-21 | 2013-07-31 | 陈建宝 | Anti-theft bolt |
| CN203189480U (en) * | 2013-02-19 | 2013-09-11 | 陈龙兴 | Double-cap anti-theft screw |
| CN105987068A (en) * | 2015-03-04 | 2016-10-05 | 付光辉 | Fastening screw cap |
| CN105987069A (en) * | 2015-03-04 | 2016-10-05 | 付光辉 | Bolt unable to dismount |
-
2017
- 2017-08-10 CN CN201710681873.7A patent/CN107575464A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203189480U (en) * | 2013-02-19 | 2013-09-11 | 陈龙兴 | Double-cap anti-theft screw |
| CN203098537U (en) * | 2013-03-21 | 2013-07-31 | 陈建宝 | Anti-theft bolt |
| CN105987068A (en) * | 2015-03-04 | 2016-10-05 | 付光辉 | Fastening screw cap |
| CN105987069A (en) * | 2015-03-04 | 2016-10-05 | 付光辉 | Bolt unable to dismount |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108953357A (en) * | 2018-07-27 | 2018-12-07 | 国家电网有限公司 | Anti-theft bolt and dismantling spanner |
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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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180112 |