CN207898048U - A kind of snap fastener for preventing from falling off - Google Patents
A kind of snap fastener for preventing from falling off Download PDFInfo
- Publication number
- CN207898048U CN207898048U CN201820217080.XU CN201820217080U CN207898048U CN 207898048 U CN207898048 U CN 207898048U CN 201820217080 U CN201820217080 U CN 201820217080U CN 207898048 U CN207898048 U CN 207898048U
- Authority
- CN
- China
- Prior art keywords
- arresting portion
- main body
- interconnecting piece
- button
- falling
- 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
Links
- 230000000903 blocking effect Effects 0.000 claims abstract description 31
- 238000011084 recovery Methods 0.000 claims abstract description 4
- 238000001746 injection moulding Methods 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000116 mitigating effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
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- Slide Fasteners, Snap Fasteners, And Hook Fasteners (AREA)
Abstract
The utility model discloses a kind of snap fasteners for preventing from falling off, including main body and button, the intermediate position of main body offers the hole passed through for button, it is located at the two sides in hole below main body along integrally formed blocking portion is equipped with, two blocking portions extend obliquely downward setting from the edge in hole to other side direction；Button includes interconnecting piece, and the upper end of interconnecting piece is equipped with upper position-arresting portion, and the lower end of interconnecting piece is equipped with lower position-arresting portion.Its profitable effect is in assembly, button can easily buckle into main body from bottom to top, lower position-arresting portion is limited in below two blocking portions by the elastic recovery ability of two blocking portions after being strutted two blocking portions outward by lower position-arresting portion, and upper position-arresting portion and the upper surface of main body constitute limit cooperation, after the upper position-arresting portion and lower position-arresting portion of button are locked, it can achieve the effect that prevent from falling off.
Description
Technical field
The utility model is related to snap fastener field more particularly to a kind of snap fasteners for preventing from falling off.
Background technology
Snap fastener is also referred to as box and pin, and lifting buckle, button etc., each area call is different, and snap fastener is button
One kind, be commonly called as snap fastener, snap fastener refers to that male and female two pieces fastens, and is combined by S type springs, and a part is known as sub-buckle, intermediate
A dot is protruded, it can texturing line or other cooperation moulding on broadside；A part is known as female thread, intermediate there are one hole position concave point,
There are two parallel springs on side.Dot is pressed into the Kong Zhonghou of female thread by spring clamp, generates opening and closing forces.
But the usual locking force of traditional sub-buckle is not strong, is easy to fall off with female thread under external force, and for one
It is a little special, it need not open and close repeatedly, the primary and secondary structure designed only for easy to assembly, conventional design cannot meet reality
Use demand.
Utility model content
For overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of snap fastener for preventing from falling off,
It can solve the problems, such as that sub-buckle is easy to fall off.
In order to achieve the above object, technical solution used by the utility model is as follows：
A kind of snap fastener for preventing from falling off, including main body and button, the intermediate position of main body is offered to be passed through for button
Hole, the two sides in hole is located at below main body along being equipped with integrally formed blocking portion, two blocking portions from the edge in hole to
Other side direction extends obliquely downward setting；Button includes interconnecting piece, and the upper end of interconnecting piece is equipped with upper position-arresting portion, the lower end of interconnecting piece
Equipped with lower position-arresting portion, when assembly, button buckles into main body from bottom to top, passes through after being strutted two blocking portions outward by lower position-arresting portion
Lower position-arresting portion is limited in below two blocking portions by the elastic recovery ability of two blocking portions, and upper position-arresting portion supports and is located at main body
Upper surface.
Preferably, main body is square, and the hole is opened at the center of main body.As conventional shape, manufacturing
It is more easy.
Preferably, the longitudinal cross-section in upper position-arresting portion is in a rectangular trapezoid, and interconnecting piece is shaped in the bottom surface in upper position-arresting portion,
And interconnecting piece is set on the edge that upper position-arresting subordinate bottom surface is intersected with inclined-plane, and interconnecting piece is along the side for being parallel to upper position-arresting portion inclined-plane
To linear extension；Included angle between interconnecting piece and upper position-arresting subordinate bottom surface is equal to any one blocking portion and lower body face
Between included angle.Using above-mentioned design so that when button buckles into main body, can along the gradient of any one blocking portion,
Easily buckle into.
Preferably, the longitudinal cross-section in lower position-arresting portion is in isosceles trapezoid, the lower face phase of lower position-arresting portion upper bottom surface and interconnecting piece
One is even formed, a Z-shaped structure, lower position-arresting portion and interconnecting piece phase are constituted between upper position-arresting portion, interconnecting piece and lower position-arresting portion
A close inclined-plane and interconnecting piece it is coplanar relative to lower position-arresting portion lateral surface.Upper position-arresting portion, interconnecting piece and lower position-arresting portion are formed
Z-shaped structure, can naturally be locked in main body.
Preferably, two edges of lower position-arresting portion upper bottom surface are fillet.For reducing resistance when buckling into.
Preferably, the main body and button are the plastic injection piece of integrated injection molding.Since injection molding is to be integrally formed
, procedure of processing can be reduced, and cost can reduce.
Preferably, the upper position-arresting portion of button be all provided in lower position-arresting portion it is fluted.For mitigating weight, and reduce material
Material, further reduces cost.
Preferably, the main body and button are integrally formed metalwork.The service life is longer for metalwork.
Compared with prior art, the beneficial effects of the utility model are：When assembly, button can be buckled easily from bottom to top
Enter main body, by the elastic recovery ability of two blocking portions by lower position-arresting portion after being strutted two blocking portions outward by lower position-arresting portion
It is limited in below two blocking portions, and upper position-arresting portion and the upper surface of main body constitute limit cooperation, the upper position-arresting portion of button
After being locked with lower position-arresting portion, it can achieve the effect that prevent from falling off.
Description of the drawings
Fig. 1 is the utility model stereoscopic schematic diagram；
Fig. 2 is the utility model schematic elevation view；
Fig. 3 is the utility model schematic top plan view；
Fig. 4 is the sectional view of the line A-A along Fig. 3；
Fig. 5 is the utility model assembling schematic diagram；
In figure：Main body 1, hole 11, blocking portion 12, button 2, interconnecting piece 21, upper position-arresting portion 22, lower position-arresting portion 23, fillet
231。
Specific implementation mode
In the following, in conjunction with attached drawing and specific implementation mode, the utility model is described further：
Referring to figs. 1 to a kind of snap fastener for preventing from falling off shown in fig. 5, including main body 1 and button 2, the middle part of main body 1
Position offers the hole 11 passed through for button 2, and the two sides edge that 1 lower section of main body is located at hole 11 is equipped with integrally formed blocking portion
12, two blocking portions 12 extend obliquely downward setting from the edge in hole 11 to other side direction；Button 2 includes interconnecting piece 21,
The upper end of interconnecting piece 21 is equipped with upper position-arresting portion 22, and the lower end of interconnecting piece 21 is equipped with lower position-arresting portion 23, when assembly, button 2 from lower and
On buckle into main body 1, pass through the energy of retraction of two blocking portions 12 after being strutted two blocking portions 12 outward by lower position-arresting portion 23
Lower position-arresting portion 23 is limited in two 12 lower sections of blocking portion by power, and upper position-arresting portion 22 supports the upper surface for being located at main body 1, button 2
Upper position-arresting portion 22 and after lower position-arresting portion 23 is locked, achieved the effect that prevent from falling off.
Preferably, main body 1 is square, and the hole 11 is opened at the center of main body 1.As conventional shape, producing
Manufacture is more easy.In addition to rectangular, other conventional shapes, such as round, triangle all can serve as the shape of main body 1, real
In the application process of border, according to the usage requirement, voluntarily adjust.
Preferably, the longitudinal cross-section in upper position-arresting portion 22 is in a rectangular trapezoid, and interconnecting piece 21 is shaped in upper position-arresting portion 22
Bottom surface, and interconnecting piece 21 is set on the edge that 22 bottom surface of upper position-arresting portion intersects with inclined-plane, and interconnecting piece 21 is on being parallel to
The direction linear extension on 22 inclined-plane of position-arresting part；Included angle between 22 bottom surface of interconnecting piece 21 and upper position-arresting portion is equal to any one
Included angle between 1 lower face of a blocking portion 12 and main body, so reach interconnecting piece 21 formation gradient with corresponding one
The identical purpose of gradient of blocking portion 12, in assembly so that button 2 buckles into main body 1, and lower stopper section is entering two blocking portions
When between 12, interconnecting piece 21 can be fitted on a matched blocking portion 12, be allowed the operator to along gradient, simple,
Easily buckle into.
Preferably, the longitudinal cross-section in lower position-arresting portion 23 is in isosceles trapezoid, under 23 upper bottom surface of lower position-arresting portion and interconnecting piece 21
End face is connected to form one, and a Z-shaped structure, lower position-arresting are constituted between upper position-arresting portion 22, interconnecting piece 21 and lower position-arresting portion 23
Portion 23 is coplanar relative to 23 lateral surface of lower position-arresting portion with interconnecting piece 21 with an inclined-plane similar in interconnecting piece 21.Upper position-arresting portion
22, the Z-shaped structure that interconnecting piece 21 and lower position-arresting portion 23 are formed, can naturally be locked up on the body 1.After meeting insertion
On the basis of capable of being locked up, in addition to Z-shaped structure, I-shaped structure or tee T structure, but pass through comparison,
It can find, Z-shaped structure is the simplest, material-saving, and cost is lower, the most practical.
Preferably, two edges of 23 upper bottom surface of lower position-arresting portion are fillet 231.When buckling into, reduced and two by fillet 231
Contact area between 12 medial surface of a blocking portion, and then reduce frictional force, resistance smaller when making to buckle into.
Preferably, the main body 1 and button 2 are the plastic injection piece of integrated injection molding.Due to injection molding be one at
Type, procedure of processing can be reduced, and cost can reduce.
Preferably, main body 1 and button 2 adopt for moulding on the basis of, in the upper position-arresting portion 22 of button 2 and lower position-arresting
Groove is opened up in portion 23.For mitigating weight, and material is reduced, further reduces cost.
Preferably, the main body 1 and button 2 are integrally formed metalwork.Compared to moulding, the use of metalwork
Longer life expectancy adapts to the extreme environments such as high temperature.
It will be apparent to those skilled in the art that technical solution that can be as described above and design, make various other
Corresponding change and deformation, and all these changes and deformation should all belong to the protection of the utility model claims
Within the scope of.
Claims (8)
1. a kind of snap fastener for preventing from falling off, it is characterised in that：Including main body (1) and button (2), the intermediate position of main body (1)
The hole (11) passed through for button (2) is offered, the two sides edge that hole (11) are located at below main body (1) is equipped with integrally formed resistance
Stopper (12), two blocking portions (12) extend obliquely downward setting from the edge of hole (11) to other side direction；Button (2) wraps
Interconnecting piece (21) is included, the upper end of interconnecting piece (21) is equipped with upper position-arresting portion (22), and the lower end of interconnecting piece (21) is equipped with lower position-arresting portion
(23), when assembly, button (2) buckles into main body (1) from bottom to top, is strutted two blocking portions (12) outward by lower position-arresting portion (23)
Lower position-arresting portion (23) are limited in below two blocking portions (12) by the elastic recovery ability of two blocking portions (12) afterwards, and
Upper position-arresting portion (22) supports the upper surface for being located at main body (1).
2. a kind of snap fastener for preventing from falling off according to claim 1, it is characterised in that：Main body (1) is square, the hole
(11) it is opened at the center of main body (1).
3. a kind of snap fastener for preventing from falling off according to claim 1, it is characterised in that：The longitudinal direction in upper position-arresting portion (22) is cut
Face is in a rectangular trapezoid, and interconnecting piece (21) is shaped in the bottom surface of upper position-arresting portion (22), and interconnecting piece (21) is set to upper stop
On the edge that position portion (22) bottom surface intersects with inclined-plane, interconnecting piece (21) is along the direction straight line for being parallel to upper position-arresting portion (22) inclined-plane
Extend；Included angle between interconnecting piece (21) and upper position-arresting portion (22) bottom surface is equal to any one blocking portion (12) and main body
(1) included angle between lower face.
4. a kind of snap fastener for preventing from falling off according to claim 3, it is characterised in that：The longitudinal direction in lower position-arresting portion (23) is cut
Face is in isosceles trapezoid, and the lower face of lower position-arresting portion (23) upper bottom surface and interconnecting piece (21) is connected to form one, upper position-arresting portion (22),
A Z-shaped structure is constituted between interconnecting piece (21) and lower position-arresting portion (23).
5. a kind of snap fastener for preventing from falling off according to claim 4, it is characterised in that：Lower position-arresting portion (23) upper bottom surface
Two edges are fillet (231).
6. a kind of snap fastener for preventing from falling off according to claim 1, it is characterised in that：The main body (1) and button (2)
It is the plastic injection piece of integrated injection molding.
7. a kind of snap fastener for preventing from falling off according to claim 6, it is characterised in that：The upper position-arresting portion of button (2)
(22) be all provided on lower position-arresting portion (23) it is fluted.
8. a kind of snap fastener for preventing from falling off according to claim 1, it is characterised in that：The main body (1) and button (2)
It is integrally formed metalwork.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820217080.XU CN207898048U (en) | 2018-02-07 | 2018-02-07 | A kind of snap fastener for preventing from falling off |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820217080.XU CN207898048U (en) | 2018-02-07 | 2018-02-07 | A kind of snap fastener for preventing from falling off |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207898048U true CN207898048U (en) | 2018-09-25 |
Family
ID=63562279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820217080.XU Expired - Fee Related CN207898048U (en) | 2018-02-07 | 2018-02-07 | A kind of snap fastener for preventing from falling off |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207898048U (en) |
-
2018
- 2018-02-07 CN CN201820217080.XU patent/CN207898048U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180925 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |