CN208858732U - A kind of metal plate screw with dentation gasket - Google Patents
A kind of metal plate screw with dentation gasket Download PDFInfo
- Publication number
- CN208858732U CN208858732U CN201821629410.2U CN201821629410U CN208858732U CN 208858732 U CN208858732 U CN 208858732U CN 201821629410 U CN201821629410 U CN 201821629410U CN 208858732 U CN208858732 U CN 208858732U
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- screw
- slide bar
- gasket
- screw head
- dentation
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Abstract
The utility model discloses a kind of metal plate screws with dentation gasket, including screw head, the center position on the screw head top is provided with cross recess, and the bottom end of screw head is fixed with slide bar, the slide bar is fixed with screw rod far from one end of screw head, and screw rod is fixed with frustum far from one end of slide bar, is equipped with gasket on the outside of the slide bar, and the center position of gasket is provided with the mounting hole with slide bar cooperation, is provided with latch on the outside of the gasket.The utility model is by installing gasket in the outside of slide bar, and latch on the outside of tie spacer and increase the connection frictional force of screw and product, to avoid occurring loosening and improving the fastening effect of screw in practical where applicable, and the screw head for passing through arc-shaped upper ends, and make the centre-height of cross recess greater than the height in outside, and then keep cross recess stronger, consequently facilitating improving the scope of application of cross recess, and avoid occurring the phenomenon that screwdriver and screw head skidding when being fastened or being dismantled to screw.
Description
Technical field
The utility model relates to metal plate screw technical field, specially a kind of metal plate screw with dentation gasket.
Background technique
Screw is the physics and mathematical principle of the inclined-plane circular rotating and frictional force using object, is fastened by easy stages
The tool of implements parts, screw industrially bear vital task, as long as there is industry on the earth, the function of screw is eternal
Important, screw is the joint invention in people's production and living over the past thousands of years, and from the point of view of application field, it is the first big of the mankind
Invention.
The existing metal plate screw with dentation gasket is easily loosened in practical where applicable, and fastening effect is undesirable,
And a kind of existing metal plate with dentation gasket screw only applicable screwdriver, and it is easy when being fastened or being dismantled to screw
There is the phenomenon that screwdriver and screw head skidding.
Summary of the invention
The purpose of this utility model is to provide a kind of metal plate screws with dentation gasket, to solve above-mentioned background technique
Middle to propose easily loosening in practical where applicable for the existing metal plate screw with dentation gasket, fastening effect is undesirable, and
A kind of existing metal plate with dentation gasket screw only applicable screwdriver, and easily go out when being fastened or being dismantled to screw
The problem of the phenomenon that existing screwdriver and screw head are skidded.
To achieve the above object, the utility model provides the following technical solutions: a kind of metal plate screw with dentation gasket,
Including screw head, the center position on the screw head top is provided with cross recess, and the bottom end of screw head is fixed with slide bar, the cunning
Bar is fixed with screw rod far from one end of screw head, and screw rod is fixed with frustum, the outside installation of the slide bar far from one end of slide bar
There is gasket, and the center position of gasket is provided with the mounting hole with slide bar cooperation, is provided with latch on the outside of the gasket.
Preferably, the quantity of the latch is multiple, and latch is uniformly distributed in a ring, the latch far from screw head one
The arc-shaped structure in side, and latch is 1 ° far from the downward inclination angle in the side relative level line direction of screw head.
Preferably, the length of the slide bar is a quarter of spiro rod length, and the diameter of slide bar is less than the diameter of screw rod,
The length of the slide bar is greater than the height of mounting hole, and slide bar is flexibly connected with mounting hole.
Preferably, the screw head upper end is a circular-arc structure, and the radian of screw head upper end is 25 °.
Preferably, the height of the cross recess is the one third of screw head height, and cross recess and Phillips screwdriver
Match with straight screwdriver.
Preferably, the taper of the frustum is 1:3, and the upper end diameter of frustum is equal to the diameter of screw rod.
Compared with prior art, the utility model has the beneficial effects that this kind passes through with the metal plate screw of dentation gasket
Slide bar is set in the lower section of screw head, and gasket is installed in the outside of slide bar, the latch on the outside of tie spacer and increase screw and produce
The connection frictional force of product, to avoid occurring loosening and improving the fastening effect of screw, and this kind band dentation in practical where applicable
The metal plate of the gasket cross recess deeper by setting with screw, and cooperate the screw head of arc-shaped upper ends, and make in cross recess
Heart height is greater than the height in outside, and then keeps cross recess stronger, consequently facilitating the scope of application of cross recess is improved, and
Avoid occurring the phenomenon that screwdriver and screw head skidding when being fastened or being dismantled to screw.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the utility model gasket；
Fig. 3 is the cross-sectional view of the utility model gasket.
In figure: 1, screw head；2, cross recess；3, slide bar；4, screw rod；5, frustum；6, gasket；7, mounting hole；8, latch.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, a kind of embodiment provided by the utility model: a kind of metal plate screw with dentation gasket, packet
Screw head 1 is included, the center position on 1 top of screw head is provided with cross recess 2, and the bottom end of screw head 1 is fixed with slide bar 3, and slide bar 3 is remote
One end from screw head 1 is fixed with screw rod 4, and screw rod 4 is fixed with frustum 5 far from one end of slide bar 3, and the outside of slide bar 3 is equipped with
Gasket 6, and the center position of gasket 6 is provided with the mounting hole 7 cooperated with slide bar 3, the outside of gasket 6 is provided with latch 8.
In the utility model by the way that slide bar 3 is arranged in the lower section of screw head 1, and gasket 6, cooperation are installed in the outside of slide bar 3
The latch 8 in the outside of gasket 6 and the connection frictional force for increasing screw and product, to avoid occurring loosening and mentioning in practical where applicable
The fastening effect of high screw, and by the way that deeper cross recess 2 is arranged, and cooperate the screw head 1 of arc-shaped upper ends, and make cross recess
2 centre-height is greater than the height in outside, and then keeps cross recess 2 stronger, consequently facilitating improving being applicable in for cross recess 2
Range, and avoid occurring the phenomenon that screwdriver and screw head skidding when being fastened or being dismantled to screw.
Fig. 1-3 is please referred to, the quantity of latch 8 is multiple, and latch 8 is uniformly distributed in a ring, and latch 8 is far from screw head 1
The arc-shaped structure in side, and latch 8 is 1 ° far from the downward inclination angle in the side relative level line direction of screw head 1, passes through gasket 6
The latch 8 in outside and the connection frictional force for increasing screw and product, consequently facilitating improving the fastening effect of screw.
Referring to Fig. 1, the length of slide bar 3 is a quarter of 4 length of screw rod, and the diameter of slide bar 3 is less than the straight of screw rod 4
Diameter, the length of slide bar 3 is greater than the height of mounting hole 7, and slide bar 3 is flexibly connected with mounting hole 7, and the taper of frustum 5 is 1:3,
And the upper end diameter of frustum 5 is equal to the diameter of screw rod 4, by the pyramidal structure of frustum 5 convenient for screw is preferably directed at screw hole,
And cooperation screw rod 4 limits gasket 6, so that gasket 6 be avoided to slide from the outside of slide bar 3.
Referring to Fig. 1,1 upper end of screw head is a circular-arc structure, and the radian of 1 upper end of screw head is 25 °, the height of cross recess 2
Degree is the one third of 1 height of screw head, and cross recess 2 matches with Phillips screwdriver and straight screwdriver, passes through setting
Deeper cross recess 2, and cooperate the screw head 1 of arc-shaped upper ends, and make the centre-height of cross recess 2 greater than the height in outside,
Consequently facilitating improving the firmness of cross recess 2.
Working principle: in use, driver bit is then first mounted on cross recess 2 by the lower end aligned screw hole of frustum 5
Inside, while rotation screw knife handle and make screwdriver drive screw head 1 rotate, and then make screw head 1 cooperate slide bar 3 drive screw rod 4
Rotation, and make 4 mate with threaded holes of screw rod and rotate to the inside of product, while gasket 6 being made to be coupled hole 7 in the outer of slide bar 3
Side moves upwardly into the bottom end of screw head 1, and the latch 8 in 6 outside of tie spacer and increase the connection frictional force of screw and product, in turn
Fasten screw preferably to product.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (6)
1. a kind of metal plate screw with dentation gasket, including screw head (1), it is characterised in that: the center on screw head (1) top
It is provided at position cross recess (2), and the bottom end of screw head (1) is fixed with slide bar (3), the slide bar (3) is far from screw head (1)
One end is fixed with screw rod (4), and screw rod (4) is fixed with frustum (5) far from the one end of slide bar (3), the outside peace of the slide bar (3)
Center position equipped with gasket (6), and gasket (6) is provided with the mounting hole (7) with slide bar (3) cooperation, the gasket (6)
Outside is provided with latch (8).
2. a kind of metal plate screw with dentation gasket according to claim 1, it is characterised in that: the latch (8)
Quantity is multiple, and latch (8) is uniformly distributed in a ring, side arc-shaped structure of the latch (8) far from screw head (1), and
The downward inclination angle in side relative level line direction of the latch (8) far from screw head (1) is 1 °.
3. a kind of metal plate screw with dentation gasket according to claim 1, it is characterised in that: the slide bar (3)
Length is a quarter of screw rod (4) length, and the diameter of slide bar (3) is less than the diameter of screw rod (4), the length of the slide bar (3)
Degree is greater than the height of mounting hole (7), and slide bar (3) is flexibly connected with mounting hole (7).
4. a kind of metal plate screw with dentation gasket according to claim 1, it is characterised in that: on the screw head (1)
End is a circular-arc structure, and the radian of screw head (1) upper end is 25 °.
5. a kind of metal plate screw with dentation gasket according to claim 1, it is characterised in that: the cross recess
(2) height is the one third of screw head (1) height, and cross recess (2) and Phillips screwdriver and straight screwdriver homogeneous
Match.
6. a kind of metal plate screw with dentation gasket according to claim 1, it is characterised in that: the frustum (5)
Taper is 1:3, and the upper end diameter of frustum (5) is equal to the diameter of screw rod (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821629410.2U CN208858732U (en) | 2018-10-08 | 2018-10-08 | A kind of metal plate screw with dentation gasket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821629410.2U CN208858732U (en) | 2018-10-08 | 2018-10-08 | A kind of metal plate screw with dentation gasket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208858732U true CN208858732U (en) | 2019-05-14 |
Family
ID=66420434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821629410.2U Active CN208858732U (en) | 2018-10-08 | 2018-10-08 | A kind of metal plate screw with dentation gasket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208858732U (en) |
-
2018
- 2018-10-08 CN CN201821629410.2U patent/CN208858732U/en active Active
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