CN205578472U - Countersunk head screw - Google Patents
Countersunk head screw Download PDFInfo
- Publication number
- CN205578472U CN205578472U CN201620352086.9U CN201620352086U CN205578472U CN 205578472 U CN205578472 U CN 205578472U CN 201620352086 U CN201620352086 U CN 201620352086U CN 205578472 U CN205578472 U CN 205578472U
- Authority
- CN
- China
- Prior art keywords
- nose cone
- countersunk head
- head screw
- smooth bar
- 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
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- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The utility model discloses a countersunk head screw has solved the phenomenon that present countersunk head screw deviates from from the mounting hole because of vibrations easily, and its technical scheme main points are countersunk head screw, characterized by: nose cone and screw rod including mutual fixed connection, the nose cone seted up the cross recess back to one side of screw rod, pot head that the screw rod is close to the nose cone be equipped with with nose cone assorted go -between, the go -between on be fixed with the arc -shaped elastic pieces that a plurality of and nose cone were contradicted and is set up, arc -shaped elastic pieces follows go -between circumference equipartition setting, has reached to make countersunk head screw be difficult for the purpose of deviating from from the mounting hole.
Description
Technical field
This utility model relates to a kind of securing member, more specifically, it relates to a kind of countersunk head screw.
Background technology
Countersunk head screw, the most flat machine screw, flat head screw, its head, is the cone of 90 degree.
On the installing hole surface of parts, processing the taper circle nest of 90 degree, the head of countersunk head screw is at this in circle nest, and the flush of parts, for allowing a little prominent place to surface.
In the transportation of parts, countersunk head screw is often easy in installing hole the situation of abjection owing to producing vibrations.
Utility model content
The deficiency existed for prior art, this utility model is to provide a kind of countersunk head screw, by connection ring sheathed on screw rod, fixes arc spring lamination connecting, increase the frictional force with installing hole on ring, reach the purpose making countersunk head screw be difficult to from installing hole abjection.
For achieving the above object, this utility model provides following technical scheme: a kind of countersunk head screw, including the nose cone being mutually permanently connected and screw rod, described nose cone offers cross recess back to the side of screw rod, described screw rod is arranged with the connection ring matched with nose cone near cone headed one end, described connecting is fixed with multiple arc spring lamination arranged with nose cone conflict on ring, described arc spring lamination is along connecting the ring uniform setting of circumference.
By using technique scheme, after screw rod is coordinated with installing hole, nose cone is along with the movement of screw rod, move toward the direction near installing hole, then the arc spring lamination being placed between taper circle nest and nose cone is made to become smooth because of cone headed pressure effect, so that arc spring lamination has certain elastic force, make arc spring lamination that nose cone produce the elastic force moved toward direction, remotely mounted hole, this elastic force makes screw rod that screw thread is produced certain pressure, pressure is converted into frictional force, so that the frictional force between countersunk head screw and installing hole is increased, thus avoid countersunk head screw to deviate from from installing hole easily when there are vibrations.
This utility model is further arranged to: offer anti-slip tank on described cone headed periphery.
By using technique scheme, it is simple to workman takes nose cone, and being easy to workman and rotated on by countersunk head screw by nose cone with hands and carry out preliminary pretension in installing hole, countersunk head screw is screwed on installing hole by lifting workman, improving production efficiency.
This utility model is further arranged to: described screw rod includes the first smooth bar segment, thread segment and the second smooth bar segment being fixedly connected sequentially, described first smooth bar segment is placed between thread segment and nose cone, and described connection ring slides along the first smooth bar segment and conflicts with thread segment and arranges.
By using technique scheme, it is to avoid connect ring and deviate from from the first smooth bar segment, and it is easy to manufacture, saves production cost.
This utility model is further arranged to: be fixed with guide post in the second described smooth bar segment.
By using technique scheme, it is simple to be inserted in installing hole by guide post, consequently facilitating thread segment is coordinated with installing hole by workman by the guiding of guide post, promote the production efficiency of work.
This utility model is further arranged to: described guide post is that hemisphere is arranged back to one end of the second smooth bar segment.
By using technique scheme so that guide post enters in installing hole more convenient, promote work task efficiency further.
In sum, this utility model has the advantages that
Workman is by holding the anti-slip tank on nose cone, then the guide post on screw rod is directed at installing hole, by rotational circle conehead, countersunk head screw can be screwed in installing hole, by in the taper circle nest that arc spring lamination is placed on installing hole, nose cone applies pressure to arc spring lamination, it is that arc spring lamination produces elastic force to nose cone, so that countersunk head screw is increased and frictional force between installing hole, so that countersunk head screw is during transport, it is difficult to deviate from from installing hole because there are vibrations, it is achieved thereby that avoid the situation that parts loosen.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Reference: 1, nose cone；11, cross recess；12, anti-slip tank；2, ring is connected；21, arc spring lamination；3, screw rod；31, the first smooth bar segment；32, thread segment；33, the second smooth bar segment；4, guide post.
Detailed description of the invention
With reference to Fig. 1, this utility model one countersunk head screw is described further.
As shown in Figure 1, a kind of countersunk head screw, including nose cone 1, nose cone 1 becomes cone to arrange, including circular bottom surface, in the present embodiment, direction, place, bottom surface is top, is provided with cross recess 11 on bottom surface, in order to placing screws cutter, the outer rim of nose cone 1 is provided with a plurality of parallel anti-slip tank 12, it is simple to workman holds nose cone 1, increases work efficiency.
Nose cone 1 is fixed with screw rod 3, and screw rod 3 includes the first smooth bar segment 31, thread segment 32 and the second smooth bar segment 33；First smooth bar segment 31 is in cylinder, the upper end of the first smooth bar segment 31 is fixing with the side of nose cone 1 to be connected, and first smooth bar segment 31 be coaxially disposed with nose cone 1, first smooth bar segment 31 is arranged with one and connects ring 2, connect ring 2 to arrange in cone, the bottom surface connecting ring 2 offers placing trough, placing trough matches with the side of nose cone 1, the edge connecting ring 2 is fixed with multiple arc spring lamination 21, multiple arc spring laminations 21 are along the axial uniform setting connecting ring 2, arc spring lamination 21 is the sheet metal of arc, and one end fixes with being connected ring 2, the other end is towards nose cone 1, the side making nose cone 1 can be inconsistent with arc spring lamination 21.
The fixing connection in the lower end of the first smooth bar segment 31 and the upper end of thread segment 32, thread segment 32 arranges threaded straight-bar for outer rim, conflict with the lower surface being connected ring 2 and arrange in the upper end of thread segment 32, will not deviate from from the first smooth bar segment 31 so that connecting ring 2, thread segment 32 is coaxially disposed with the first smooth bar segment 31.
The lower end of thread segment 32 is fixing with the upper end of the second smooth bar segment 33 to be connected, in the second smooth bar segment 33 in cylinder, and be coaxially disposed with thread segment 32, it is fixed with guide post 4 in the lower end of the second smooth bar segment 33, guide post 4 becomes cylindrical, and guide post 4 becomes hemispherical to arrange, in the present embodiment back to one end of the second smooth bar segment 33, for the ease of manufacturing, guide post the 4, second smooth bar segment 33 and equal diameters of the first smooth bar segment 31.
During use, workman holds the anti-slip tank 12 on nose cone 1, guide post 4 is inserted in installing hole, make the ends contact of thread segment 32 and installing hole, then nose cone 1 is rotated, can thread segment 32 be entered in installing hole so that the axle center of countersunk head screw will not be with the axle center run-off the straight of installing hole, then insert the driver into and cross recess 11 continues rotate so that thread segment 32 is further threaded in installing hole；Owing to installing hole offers the taper circle nest matched with nose cone 1 in advance towards one end of nose cone 1, make to connect ring 2, the inwall of arc spring lamination 21 nest round with taper is conflicted, along with nose cone 1 moves further toward taper circle nest, conflict with the arc spring lamination 21 being connected on ring 2 in the side making nose cone 1, arc spring lamination 21 is made to be become linear by arc, so that arc spring lamination 21 deforms upon and produces elastic force, make arc spring lamination 21 that nose cone 1 to produce the power that direction, remotely mounted hole is moved, the screw thread coordinated between thread segment 32 and installing hole is made to produce pulling force, pulling force is converted to frictional force, so that thread segment 32 is tightr with what installing hole can coordinate；Such that it is able to avoid countersunk head screw to deviate from from installing hole easily.
The above is only preferred implementation of the present utility model, and protection domain of the present utility model is not limited merely to above-described embodiment, and all technical schemes belonged under this utility model thinking belong to protection domain of the present utility model.It should be pointed out that, for those skilled in the art, without departing from the some improvements and modifications under this utility model principle premise, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (5)
1. a countersunk head screw, including the nose cone (1) being mutually permanently connected and screw rod (3), described nose cone (1) offers cross recess (11) back to the side of screw rod (3), it is characterized in that: described screw rod (3) is arranged with the connection ring (2) matched with nose cone (1) near one end of nose cone (1), being fixed with multiple arc spring lamination (21) arranged with nose cone (1) conflict on described connection ring (2), described arc spring lamination (21) is along connecting ring (2) circumferential uniform setting.
A kind of countersunk head screw the most according to claim 1, is characterized in that: offer anti-slip tank (12) on the periphery of described nose cone (1).
A kind of countersunk head screw the most according to claim 2, it is characterized in that: described screw rod (3) includes the first smooth bar segment (31), thread segment (32) and the second smooth bar segment (33) being fixedly connected sequentially, described first smooth bar segment (31) is placed between thread segment (32) and nose cone (1), and described connection ring (2) slides along the first smooth bar segment (31) and conflicts with thread segment (32) and arranges.
A kind of countersunk head screw the most according to claim 3, is characterized in that: be fixed with guide post (4) in the second described smooth bar segment (33).
A kind of countersunk head screw the most according to claim 4, is characterized in that: described guide post (4) is that hemisphere is arranged back to one end of the second smooth bar segment (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620352086.9U CN205578472U (en) | 2016-04-25 | 2016-04-25 | Countersunk head screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620352086.9U CN205578472U (en) | 2016-04-25 | 2016-04-25 | Countersunk head screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205578472U true CN205578472U (en) | 2016-09-14 |
Family
ID=56861084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620352086.9U Expired - Fee Related CN205578472U (en) | 2016-04-25 | 2016-04-25 | Countersunk head screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205578472U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108331829A (en) * | 2018-02-27 | 2018-07-27 | 张海江 | A kind of nut anti-looseness coil structures |
-
2016
- 2016-04-25 CN CN201620352086.9U patent/CN205578472U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108331829A (en) * | 2018-02-27 | 2018-07-27 | 张海江 | A kind of nut anti-looseness coil structures |
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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: 20160914 Termination date: 20180425 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |