CN205823884U - A kind of screw installed for door lock - Google Patents
A kind of screw installed for door lock Download PDFInfo
- Publication number
- CN205823884U CN205823884U CN201620768858.7U CN201620768858U CN205823884U CN 205823884 U CN205823884 U CN 205823884U CN 201620768858 U CN201620768858 U CN 201620768858U CN 205823884 U CN205823884 U CN 205823884U
- Authority
- CN
- China
- Prior art keywords
- screw
- shank
- door lock
- conical surface
- cannelure
- 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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Abstract
This utility model relates to a kind of screw installed for door lock.Mainly solve the existing screw fastening effect installed for door lock and the anti-loosing effect difference problem that causes door lock normally to use.The described screw installed for door lock, it includes screw body, the lateral cross section structure in T shape of described screw body is arranged, screw body includes the screw head being arranged in a mutually vertical manner and shank of screw portion, screw head and shank of screw portion are that integral type structure is arranged, screw head center is provided with interior flower-shape structure, conical surface I it is provided with on the downside of screw head, it is provided with cannelure between screw head and shank of screw portion, it is arranged with tap web packing ring on cannelure and conical surface I, being provided with external screw thread in shank of screw portion, shank of screw is provided with coating area in portion.This is used for screw simple and reasonable that door lock is installed, with low cost, and practical simple, safety is good, and mechanical strength is high, and service life is long, it is easy to promote.
Description
Technical field
This utility model relates to technical field of fastening, is specifically related to a kind of screw installed for door lock.
Background technology
Screw be applicable to various communication product, electronic instrument and meter, computer, digital product, electrical appliance, electronic toy,
The precision mechanisms such as all kinds of movements, are also used in the new and high technology products such as plant equipment, hydraulic engineering, room finish, boats and ships vehicle certainly
Above product.During door lock is installed, generally use screw that door lock is installed on a door, however existing for door lock installation
Screw generally there is fastening effect and the defect of anti-loosing effect difference, be easily caused the compactness that product connects, thus have impact on
The normal use of door lock.
Utility model content
In order to overcome the deficiency of background technology, this utility model provides a kind of screw installed for door lock, mainly solves
The problem that the existing screw fastening effect installed for door lock and anti-loosing effect difference cause door lock normally to use, this is used for door
Screw simple and reasonable that lock is installed, by the way of arranging the cannelure cooperated and tap web packing ring on screw, has
Imitate the compactness between raising and connector and prevent to loosen, improve the overall performance of the screw installed for door lock, with
In time, also have with low cost, and practical simple, safety is good, and mechanical strength is high, and service life is long, it is easy to the advantages such as popularization.
This utility model be the technical scheme is that a kind of screw installed for door lock, and it includes screw body, institute
The lateral cross section structure in T shape stating screw body is arranged, and screw body includes the screw head and spiral shell being arranged in a mutually vertical manner
Nail rod portion, screw head and shank of screw portion are that integral type structure is arranged, and screw head center is provided with interior flower-shape structure, interior flower
Being provided with transition chamfering I outside shape structure, interior flower-shape structural base is provided with groove structure, is provided with the conical surface on the downside of screw head
I, is provided with cannelure between screw head and shank of screw portion, screw head and cannelure interconnect mutually by arranging knuckle
Connecing, shank of screw portion and cannelure are connected with each other by arranging transition chamfering II, and cannelure and conical surface I are arranged with tap web packing ring,
Being provided with external screw thread in shank of screw portion, shank of screw is provided with coating area in portion；Described screw body and tap web washer face are all provided with
It is equipped with zinc coat；The coning angle of described conical surface I is set to 90 degree；Thread locking glue, screw thread uniformly it is laid with in described coating area
The thickness of locking glue is set to 1mm, and coating area is that loop configuration is arranged, and the width of coating area is set to 6mm；Described tap web packing ring
On be provided with the conical surface II cooperated with described conical surface I, the coning angle of conical surface II is also configured as 90 degree.
The beneficial effects of the utility model are: owing to taking technique scheme, and this is used for the knot of the screw that door lock is installed
Structure advantages of simple, by the way of arranging the cannelure cooperated and tap web packing ring on screw, is effectively improved and between connector
Compactness and prevent to loosen, improve the overall performance of screw installed for door lock, the most also have with low cost,
Practical simple, safety is good, and mechanical strength is high, and service life is long, it is easy to the advantages such as popularization.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model.
Fig. 2 is left view of the present utility model.
Fig. 3 is the schematic diagram of tap web packing ring 11 in Fig. 1.
In figure 1, screw body；2, screw head；3, shank of screw portion；4, interior flower-shape structure；5, transition chamfering I；6, groove
Structure；7, conical surface I；8, cannelure；9, knuckle；10, transition chamfering II；11, tap web packing ring；12, coating area；13, the conical surface
II。
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model embodiment is described further:
As shown in Fig. 1 to Fig. 3, a kind of screw installed for door lock, it includes screw body 1, described screw body 1
Lateral cross section structure in T shape is arranged, and screw body 1 includes the screw head 2 and shank of screw portion 3, spiral shell being arranged in a mutually vertical manner
Nail head 2 and shank of screw portion 3 are arranged for integral type structure, and screw head 2 center is provided with interior flower-shape structure 4, and interior flower-shape is tied
It is provided with transition chamfering I 5 outside structure 4, is provided with groove structure 6 bottom interior flower-shape structure 4, on the downside of screw head 2, is provided with cone
Face I 7, the coning angle of conical surface I 7 is set to 90 degree, is provided with cannelure 8, head of screw between screw head 2 and shank of screw portion 3
Portion 2 and cannelure 8 are connected with each other by arranging knuckle 9, and shank of screw portion 3 and cannelure 8 are by arranging transition chamfering II 10
Being connected with each other, cannelure 8 and conical surface I 7 are arranged with tap web packing ring 11, tap web packing ring 11 is sheathed by the way of interference fit
Cannelure 8, shank of screw portion 3 are provided with external screw thread, shank of screw portion 3 is provided with coating area 12.
Described screw body 1 and tap web packing ring 11 surface are provided with zinc coat, and zinc coat can be greatly improved screw originally
Body 1 and the erosion-resisting ability of tap web packing ring 11.
Uniformly being laid with thread locking glue in described coating area 12, thread locking glue can improve externally threaded locking with close
Feng Xing, the thickness of thread locking glue is set to 1mm, and coating area 12 is arranged for loop configuration, and the width of coating area 12 is set to
6mm。
The conical surface II 13 cooperated with described conical surface I 7, the circle of conical surface II 13 it is provided with on described tap web packing ring 11
Cone angle is also configured as 90 degree.
This is used for screw simple and reasonable, by arranging cannelure 8 He cooperated on screw that door lock is installed
The mode of tap web packing ring 11, is effectively improved and compactness between connector prevent to loosen, improves and install for door lock
The overall performance of screw, the most also have with low cost, practical simple, safety is good, and mechanical strength is high, and service life is long,
The advantage such as easy to spread.
Every technical staff's notice: although this utility model describes according to above-mentioned detailed description of the invention, but this
The invention thought of utility model is not limited to that utility model, the repacking of any utilization inventive concept, all will include this in specially
In profit scope of patent protection.
Claims (5)
1. one kind for door lock install screw, it is characterised in that: include screw body, the lateral cross section of described screw body in
T-shaped structure is arranged, and screw body includes the screw head being arranged in a mutually vertical manner and shank of screw portion, screw head and shank of screw
Portion is that integral type structure is arranged, and screw head center is provided with interior flower-shape structure, is provided with transition outside interior flower-shape structure
Angle I, interior flower-shape structural base is provided with groove structure, is provided with conical surface I on the downside of screw head, screw head and shank of screw portion it
Between be provided with cannelure, screw head and cannelure are connected with each other by arranging knuckle, and shank of screw portion passes through with cannelure
Arranging transition chamfering II to be connected with each other, cannelure and conical surface I are arranged with tap web packing ring, shank of screw is provided with external screw thread in portion,
Shank of screw is provided with coating area in portion.
A kind of screw installed for door lock the most according to claim 1, it is characterised in that: described screw body and tap web
Washer face is provided with zinc coat.
A kind of screw installed for door lock the most according to claim 1, it is characterised in that: the coning angle of described conical surface I
It is set to 90 degree.
A kind of screw installed for door lock the most according to claim 1, it is characterised in that: uniformly apply in described coating area
Being provided with thread locking glue, the thickness of thread locking glue is set to 1mm, and coating area is that loop configuration is arranged, and the width of coating area sets
It is set to 6mm.
A kind of screw installed for door lock the most according to claim 1, it is characterised in that: arrange on described tap web packing ring
Having the conical surface II cooperated with described conical surface I, the coning angle of conical surface II is also configured as 90 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620768858.7U CN205823884U (en) | 2016-07-19 | 2016-07-19 | A kind of screw installed for door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620768858.7U CN205823884U (en) | 2016-07-19 | 2016-07-19 | A kind of screw installed for door lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205823884U true CN205823884U (en) | 2016-12-21 |
Family
ID=57561087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620768858.7U Expired - Fee Related CN205823884U (en) | 2016-07-19 | 2016-07-19 | A kind of screw installed for door lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205823884U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111577735A (en) * | 2020-05-20 | 2020-08-25 | 海盐宏诚精工科技有限公司 | Novel inner hexagonal flower-shaped screw |
| CN113202852A (en) * | 2021-04-13 | 2021-08-03 | 河南科技大学 | Anti-loosening bolt |
-
2016
- 2016-07-19 CN CN201620768858.7U patent/CN205823884U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111577735A (en) * | 2020-05-20 | 2020-08-25 | 海盐宏诚精工科技有限公司 | Novel inner hexagonal flower-shaped screw |
| CN113202852A (en) * | 2021-04-13 | 2021-08-03 | 河南科技大学 | Anti-loosening bolt |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161221 Termination date: 20190719 |