CN110454477A - A kind of self-tapping screw - Google Patents
A kind of self-tapping screw Download PDFInfo
- Publication number
- CN110454477A CN110454477A CN201910747655.8A CN201910747655A CN110454477A CN 110454477 A CN110454477 A CN 110454477A CN 201910747655 A CN201910747655 A CN 201910747655A CN 110454477 A CN110454477 A CN 110454477A
- Authority
- CN
- China
- Prior art keywords
- threaded section
- screw
- self
- diameter
- tapping
- 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
Links
- 238000010079 rubber tapping Methods 0.000 title claims abstract description 76
- 238000004806 packaging method and process Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 12
- 230000001141 propulsive effect Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 206010034703 Perseveration Diseases 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B25/00—Screws that cut thread in the body into which they are screwed, e.g. wood screws
Abstract
The invention discloses a kind of self-tapping screws, it is related to field of home appliance technology, including screw terminal and screw tail, and it is sequentially connected to third threaded section, the second threaded section and the first threaded section between the screw terminal and the screw tail, the diameter of second threaded section is greater than the diameter of first threaded section, and the diameter of the third threaded section is greater than or equal to the diameter of first threaded section and is less than the diameter of second threaded section；The screw pitch of second threaded section is greater than the screw pitch of first threaded section and is greater than the screw pitch of the third threaded section.The present invention can be pre-fixed in product packaging in the pairing time on the rigging position of components, reducing user, improve assembly efficiency, and components be further fitted to position after its connection it is highly stable.
Description
Technical field
The present invention relates to field of home appliance technology, in particular to a kind of self-tapping screw.
Background technique
In the related technology, product can be split by part small household appliance, such as fan, producer for convenient transportation
Several components are packed, and generally require being made by manufacturers or users after user's delivery of cargo.Connection between existing product section components
Producer is generally generally wrapped institute's screw in need used using independent when needing to be assembled using self-tapping screw, but packing
Dress, user need to read over specification, and suitable screw mounted in pairing mode to suitable position is just able to achieve correct installation,
It is complicated for operation；And be easier to cause to operate repeatedly for the not strong user of manipulative ability, lead to screw sliding teeth.
Summary of the invention
The present invention is directed at least solve one of the technical problems existing in the prior art, the purpose of the present invention is to provide one
Kind self-tapping screw, can be pre-fixed in the pairing time on the rigging position of components, reducing user in product packaging, be improved
Assembly efficiency, and components be further fitted to position after its connection it is highly stable.
Used technical solution to solve above-mentioned technical problem:
A kind of self-tapping screw, including screw terminal and screw tail, and it is sequentially connected to the screw terminal and the screw tail
Between third threaded section, the second threaded section and the first threaded section, the diameter of second threaded section is greater than first thread
The diameter of section, the diameter of the third threaded section are greater than or equal to the diameter of first threaded section and are less than second thread
The diameter of section；The screw pitch of second threaded section is greater than the screw pitch of first threaded section and is greater than the spiral shell of the third threaded section
Away from.
Preferably, it is connected at the third threaded section, the second threaded section and the first threaded section interconnection for rounding off
And it is integrally formed with the screw terminal and the screw tail.
Preferably, the diameter of second threaded section is 1.1~1.3 times of the diameter of first threaded section.
Preferably, the diameter of second threaded section is 1.2 times of the diameter of first threaded section.
Preferably, the diameter of first threaded section is 1.05 times of the diameter of first threaded section.
Preferably, the head dummy of the screw terminal is cross-shaped groove structure.
Preferably, the tail type of the screw tail is horizontal tail structure.
Preferably, the thickness for the self tapping material that the screw pitch of the third threaded section is 0.5~0.6 times, second thread
The thickness for the self tapping material that the screw pitch of section is 0.7~0.8 times, the self tapping material that the screw pitch of first threaded section is 0.5~0.6 times
The thickness of material.
One or more technical solutions provided by the embodiment of the present invention, at least have the advantages that with it is existing
Technology is compared, a kind of self-tapping screw provided in an embodiment of the present invention, using be sequentially connected between screw terminal and screw tail
Three threaded sections, the second threaded section and the first threaded section, the diameter of the second threaded section are greater than the diameter of the first threaded section, third thread
The diameter of section is greater than or equal to the diameter of the first threaded section and less than the diameter of the second threaded section, and the screw pitch of the second threaded section is greater than
The screw pitch of first threaded section and the screw pitch for being greater than third threaded section；When self-tapping screw acts on self tapping material, the knot of screw tail
Structure convenient for make the first threaded section import self tapping material, when to self-tapping screw apply the first constant propulsive force make the second threaded section into
When entering self tapping material, since the diameter of the second threaded section becomes larger and screw pitch increases, self-tapping screw can delay automatically drops or stops at the
Two threaded sections will not continue to promote in self tapping material, and self-tapping screw is in and pre-fixes position at this time；When user voluntarily installs
When, the installation site for voluntarily matching self-tapping screw is not needed, the pairing time of user is reduced, improves assembly efficiency；It uses at this time
Family only needs to screw out the self-tapping screw of corresponding installation site, and the components matched will be needed to cooperate, then by self-tapping screw
Promote installation again along former installation site, when be advanced into pre-fix position when, at this time to self-tapping screw application the first propulsive force of ratio
When bigger the second propulsive force of strength, third threaded section can enter self tapping material, and self-tapping screw is in and is installed in place position, and
It is connected between the components matched at this time also highly stable.
Detailed description of the invention
The present invention is described further with reference to the accompanying drawings and examples；
Fig. 1 is a kind of three-dimensional structure diagram of self-tapping screw embodiment of the present invention；
Fig. 2 is a kind of floor map of self-tapping screw embodiment of the present invention；
Fig. 3 is that a kind of self-tapping screw embodiment of the present invention is in the schematic diagram for pre-fixing position；
Fig. 4 is that a kind of self-tapping screw embodiment of the present invention is in the schematic diagram for being installed in place position.
Specific embodiment
This part will be described in specific embodiments of the present invention, and the preferred embodiments of the invention is shown in the accompanying drawings, attached
The effect of figure be with figure remark additionally book word segment description, enable a person to intuitively, visually understand of the invention
Each technical characteristic and overall technical architecture, but it should not be understood as limiting the scope of the invention.
In the description of the present invention, it is to be understood that, be related to orientation description, for example, above and below, front, rear, left and right etc.
The orientation or positional relationship of instruction is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of the description present invention and letter
Change description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construct and
Operation, therefore be not considered as limiting the invention.
In the description of the present invention, several to be meant that one or more, it is multiple to be meant that two or more, be greater than,
Be less than, more than etc. be interpreted as not including this number, it is above, following, within etc. be interpreted as including this number.If there is being described to first,
Second is only intended to for the purpose of distinguishing technical characteristic, is not understood to indicate or imply relative importance or implicitly indicates institute
The quantity of the technical characteristic of instruction or the precedence relationship for implicitly indicating indicated technical characteristic.
In description of the invention, unless otherwise restricted clearly, the words such as setting, installation, connection be shall be understood in a broad sense, institute
Above-mentioned word in the present invention specific can rationally be determined with the particular content of combination technology scheme by belonging to technical field technical staff
Meaning.
Shown in referring to Figures 1 and 2, a kind of self-tapping screw 10 of the embodiment of the present invention, including screw terminal 100 and screw tail
200, it is to be understood that screw terminal 100 pushes away the application of self-tapping screw 10 convenient for external force for cooperating screwdriver or electric tool
The head dummy of power, screw terminal 100 has a variety of national standard forms, including cross-shaped groove structure, flat recess structure, interior hexagonal structure etc.,
Cross-shaped groove structure is used in the present embodiment, versatility is stronger.In addition, screw tail 200 is for enabling self-tapping screw 10 to quickly introduce
Into self tapping material, the tail type of screw tail 200 also has a variety of national standard forms, including horizontal tail structure and fine stern structure, this implementation
Example is preferably horizontal tail structure, and structural strength is high, keeps connection more stable.
Referring to shown in Fig. 2, the self-tapping screw 10 of the present embodiment further includes being sequentially connected to screw terminal 100 and screw tail 200
Between third threaded section 330, the second threaded section 320 and the first threaded section 310, the diameter of the second threaded section 320 is greater than first
The diameter of threaded section 310, the diameter of third threaded section 330 are greater than or equal to the diameter of the first threaded section 310 and less than the second spiral shells
The diameter of tooth section 320；The screw pitch of second threaded section 320 is greater than the screw pitch of the first threaded section 310 and is greater than third threaded section 330
Screw pitch.
It should be noted that when applying the first constant propulsive force to self-tapping screw 10 and acting on self tapping material, screw
Tail 200, which initially enters self tapping material and is oriented to the first threaded section 310, enters self tapping material, when the second threaded section 320 enters self tapping
When material, since the diameter of the second threaded section 320 becomes larger and screw pitch increases, self-tapping screw 10 can delay automatically drop or stop at second
Threaded section 320, self-tapping screw 10 will not continue to promote in self tapping material under the action of the first propulsive force, self tapping spiral shell at this time
Silk 10 can pre-fix corresponding self-tapping screw 10 in the assembly of the first components 20 in product packaging in position is pre-fixed
On position；When user voluntarily installs, it is no longer necessary to which the installation site for voluntarily matching self-tapping screw 10, that reduces user matches clock synchronization
Between, improve assembly efficiency；User only needs to screw out the self-tapping screw 10 of corresponding installation site at this time, and will need to connect cooperation
The first components 20 and the second components 30 matched, then self-tapping screw 10 is promoted into installation along former installation site again,
When be advanced into pre-fix position when, second propulsive force bigger than the first propulsive force strength is applied to self-tapping screw 10 again at this time
When, third threaded section 330 can enter self tapping material, and self-tapping screw 10 is in and is installed in place position；Or directly apply than the
The second bigger propulsive force of one propulsive force strength is advanced into self-tapping screw 10 directly to be installed in place position, at this time self-tapping screw 10
The connection between the first components 20 and the second components 30 can be made highly stable, and avoiding traditional mode that pre-fixes will
The threaded section of self-tapping screw 10 is fully advanced on earth, and sliding teeth problem caused by perseveration is screwed out and promoted when user installation.
In wherein some embodiments, third threaded section 330, the second threaded section 320 and the first threaded section 310 are connected with each other
Place is that rounding off is connected and is integrally formed with screw terminal 100 and screw tail 200, reduces friction when self-tapping screw 10 promotes
Resistance, occurs clamping stagnation when avoiding propulsion or stress is concentrated, and self-tapping screw 10 is caused to be damaged.
In wherein some embodiments, the diameter of the second threaded section 320 is the 1.1~1.3 of the diameter of the first threaded section 310
Times, the state for enabling self-tapping screw 10 to realize automatic slow drop in the second threaded section 320 or stop, and applying bigger propulsion
Self-tapping screw 10 can be made to pass through the second threaded section 320 when power and enter third threaded section 330, until self-tapping screw 10 is installed to
Position.Preferably, the diameter of the second threaded section 320 is 1.2 times of the diameter of the first threaded section 310, better effect.
In wherein some embodiments, the diameter of the first threaded section 310 is 1.05 times of the diameter of the first threaded section 310,
Fixation more securely can be attached to two components for matching sum after being installed in place self-tapping screw 10, anti-loosing effect is more
It is good.
In wherein some embodiments, it is to be understood that match different self tapping materials to improve self-tapping screw 10
Installation needs, and improves the effect for pre-fixing and being installed in place of self-tapping screw 10, and the screw pitch of third threaded section 330 is 0.5~0.6
The thickness of self tapping material again, the thickness for the self tapping material that the screw pitch of the second threaded section 320 is 0.7~0.8 times, the first threaded section
The thickness for the self tapping material that 310 screw pitch is 0.5~0.6 times.
The embodiment of the present invention is explained in detail above in conjunction with attached drawing, but the present invention is not limited to the above embodiments, In
Technical field those of ordinary skill within the scope of knowledge, can also make each without departing from the purpose of the present invention
Kind variation.
Claims (8)
1. a kind of self-tapping screw, it is characterised in that: including screw terminal and screw tail, and be sequentially connected to the screw terminal and institute
Third threaded section, the second threaded section and the first threaded section between screw tail are stated, the diameter of second threaded section is greater than described
The diameter of first threaded section, the diameter of the third threaded section are greater than or equal to the diameter of first threaded section and are less than described
The diameter of second threaded section；The screw pitch of second threaded section is greater than the screw pitch of first threaded section and is greater than the third spiral shell
The screw pitch of tooth section.
2. a kind of self-tapping screw according to claim 1, it is characterised in that: the third threaded section, the second threaded section and
It connects at first threaded section interconnection for rounding off and is integrally formed with the screw terminal and the screw tail.
3. a kind of self-tapping screw according to claim 1 or 2, it is characterised in that: the diameter of second threaded section is institute
1.1~1.3 times for stating the diameter of the first threaded section.
4. a kind of self-tapping screw according to claim 3, it is characterised in that: the diameter of second threaded section is described the
1.2 times of the diameter of one threaded section.
5. a kind of self-tapping screw according to claim 1 or 2, it is characterised in that: the diameter of first threaded section is institute
1.05 times for stating the diameter of the first threaded section.
6. a kind of self-tapping screw according to claim 1, it is characterised in that: the head dummy of the screw terminal is cross recess knot
Structure.
7. a kind of self-tapping screw according to claim 1, it is characterised in that: the tail type of the screw tail is horizontal tail structure.
8. a kind of self-tapping screw according to claim 1, it is characterised in that: the screw pitch of the third threaded section be 0.5~
The thickness of 0.6 times of self tapping material, the thickness for the self tapping material that the screw pitch of second threaded section is 0.7~0.8 times, described the
The thickness for the self tapping material that the screw pitch of one threaded section is 0.5~0.6 times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910747655.8A CN110454477A (en) | 2019-08-14 | 2019-08-14 | A kind of self-tapping screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910747655.8A CN110454477A (en) | 2019-08-14 | 2019-08-14 | A kind of self-tapping screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110454477A true CN110454477A (en) | 2019-11-15 |
Family
ID=68486399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910747655.8A Pending CN110454477A (en) | 2019-08-14 | 2019-08-14 | A kind of self-tapping screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110454477A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002039134A (en) * | 2000-07-24 | 2002-02-06 | National House Industrial Co Ltd | Tapping screw |
| CN1987132A (en) * | 2005-12-22 | 2007-06-27 | 原生资源建筑物产品股份有限公司 | Dual threaded screw for composite materials |
| DE102009002078A1 (en) * | 2009-04-01 | 2010-10-07 | Ford Global Technologies, LLC, Dearborn | Connecting device for connecting mudguard with e.g. door strut, has screw whose external thread is inserted via internal thread of opening in non-cutting deformation state, where screw exhibits screw head and threaded shaft |
| US20160201711A1 (en) * | 2013-08-30 | 2016-07-14 | Faurecia Interieur Industrie | Threaded fastening element |
| CN209172480U (en) * | 2018-05-31 | 2019-07-30 | 大博医疗科技股份有限公司 | A kind of multi-thread bone screw |
| CN210565607U (en) * | 2019-08-14 | 2020-05-19 | 江门市益丰电器实业有限公司 | Self-tapping screw |
-
2019
- 2019-08-14 CN CN201910747655.8A patent/CN110454477A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002039134A (en) * | 2000-07-24 | 2002-02-06 | National House Industrial Co Ltd | Tapping screw |
| CN1987132A (en) * | 2005-12-22 | 2007-06-27 | 原生资源建筑物产品股份有限公司 | Dual threaded screw for composite materials |
| DE102009002078A1 (en) * | 2009-04-01 | 2010-10-07 | Ford Global Technologies, LLC, Dearborn | Connecting device for connecting mudguard with e.g. door strut, has screw whose external thread is inserted via internal thread of opening in non-cutting deformation state, where screw exhibits screw head and threaded shaft |
| US20160201711A1 (en) * | 2013-08-30 | 2016-07-14 | Faurecia Interieur Industrie | Threaded fastening element |
| CN209172480U (en) * | 2018-05-31 | 2019-07-30 | 大博医疗科技股份有限公司 | A kind of multi-thread bone screw |
| CN210565607U (en) * | 2019-08-14 | 2020-05-19 | 江门市益丰电器实业有限公司 | Self-tapping screw |
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