CN207653698U - A kind of copper cap semicircle pull head - Google Patents
A kind of copper cap semicircle pull head Download PDFInfo
- Publication number
- CN207653698U CN207653698U CN201721394955.5U CN201721394955U CN207653698U CN 207653698 U CN207653698 U CN 207653698U CN 201721394955 U CN201721394955 U CN 201721394955U CN 207653698 U CN207653698 U CN 207653698U
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- China
- Prior art keywords
- upper flange
- guide post
- fastening portion
- semicircle
- pull
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Abstract
A kind of copper cap semicircle pull head described in the utility model, including main body and pull-tab device keeping body, the main body has relatively parallel upper flange and lower wing plate, and link the guide post of upper flange and lower wing plate in the front end side of main body, in the upper limb plate surface upper fastening portion is equipped with close to the centre position of guide post side, centre position far from guide post side is equipped with lower fastening portion, the pull-tab device keeping body with the upper fastening portion and the lower fastening portion by being connected together, it is fixed on the upper flange, it is characterised in that:Main body has two open fronts and an after-opening between upper flange and lower wing plate.The bottom end of the open front and after-opening is straight;Two open fronts are in symmetrical arc on the left and right sides of guide post, top, can be passed through for the semicircle chain tooth of discrete state;An after-opening side opening opposite in guide post, top is in semicircular arc, can be passed through for the semicircle chain tooth of occlusive state.
Description
Technical field
The utility model is related to a kind of copper cap pull head with chain tooth cooperation, more particularly to a kind of copper cap semicircle tooth is drawn
Head.
Background technology
Slide fastener is to rely on continuously arranged chain tooth, the connector for making article and closing or detaching, in daily life
It is essential to be now largely used to clothes, bag, tent etc..Slide fastener is by chain tooth, pull head, bottom stopper (former code and rear code) or locking member
Deng composition.General slide fastener has two panels chain belt, respectively has a row chain tooth, two row chain tooths to be intertwined on every chain band.Chain tooth
It is key component, it directly determines the layback intensity of slide fastener.Both sides chain tooth is clamped in pull head, is slided by button loop is drawn, you can make both sides
Chain tooth intermeshing or disengage.
Copper cap pull head in the prior art includes main body and pull-tab device keeping body.Main body by the upper flange that is mutually parallel and under
Wing plate is made up of the connection of guide post, and the chain tooth guiding groove of rectangle is formed between upper flange and lower wing plate.Due to chain tooth with
There is the relationships being mutually matched between its guiding groove, to produce, using a kind of semicircular zipper tooth, then can not with it is existing
Copper cap pull head in technology matches.
Utility model content
In view of the above problems, the utility model proposes a kind of copper cap semicircle pull heads, to solve the copper cap of the prior art
The problem of rectangle chain tooth guiding groove in pull head can not be mutually matched with semicircular zipper tooth.
A kind of copper cap semicircle pull head described in the utility model, including main body and pull-tab device keeping body, the main body have
Relatively parallel upper flange and lower wing plate, and main body front end side link upper flange and lower wing plate guide post, it is described on
It is equipped with upper fastening portion close to the centre position of guide post side on wing plate surface, the centre position far from guide post side is equipped with lower card
Portion, the pull-tab device keeping body are fixed on the upper flange by being connected together with the upper fastening portion and the lower fastening portion,
It is characterized in that:Main body has two open fronts and an after-opening between upper flange and lower wing plate.The open front and
The bottom end of after-opening is straight;In the left and right sides of guide post, top is in symmetrical arc for two open fronts, can be for separation
The semicircle chain tooth of state passes through;An after-opening side opening opposite in guide post, top are in semicircular arc, can be for being engaged shape
The semicircle chain tooth of state passes through.
The pull-tab device keeping body is provided with shaft close to guide post side, and the upper fastening portion is provided with axis hole, the lower card
Portion is provided with locking hole.
The upper flange both sides are convex under having upper flange, the lower wing plate to have toward upper flange direction toward lower wing plate direction
Edge;The semicircle that can intert for semicircle chain tooth is formed between the upper flange, lower wing plate, upper flange, lower flange, guide post
Shape chain tooth guiding groove.
The inner surface of the upper flange is provided with sliding slot group.
The sliding slot group is arranged by convex platform, the first upper hopper chute and the second upper hopper chute composition, the convex platform in institute
On the inside for the upper flange stated, it is consistent with pull head moving direction and to far from guide post direction extend, first upper hopper chute and
Second upper hopper chute is symmetrical set centered on convex platform in convex platform both sides and parallel to each other to far from guide post side
Extend.
Preferred scheme:Pull-tab device keeping body is made of copper.
The utility model proposes a kind of copper cap semicircle pull head, the semicircle chain tooth guiding groove can be with semicircle
Zipper tooth be mutually matched;The sliding slot group can reduce friction of the semicircle chain tooth guiding groove to semicircle chain tooth surface
Power keeps pulling more convenient, to also reduce the drag force for making guide post be deformed generated by long-term large area friction,
To increase the service life of pull head.
Description of the drawings
Fig. 1 is the stereogram of the copper cap semicircle pull head based on embodiment 1.
Fig. 2 is the stereogram of the main body of the copper cap semicircle pull head based on embodiment 1.
Fig. 3 is the vertical view of the main body of the copper cap semicircle pull head based on embodiment 1.
Fig. 4 is the dextrad view of the main body of the copper cap semicircle pull head based on embodiment 1.
Fig. 5 is the stereogram of the pull-tab device main body of the copper cap semicircle pull head based on embodiment 1.
Fig. 6 is the stereogram of the copper cap semicircle pull head based on embodiment 2.
Fig. 7 is the frontal view of the copper cap semicircle pull head based on embodiment 2.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, is carried out to the technical scheme in the embodiment of the utility model clear
Chu is fully described by, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole realities
Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art institute under the premise of not making the creative labor
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Embodiment 1
As shown in Fig. 1~5, the copper cap semicircle pull head of embodiment 1, including main body 1 and pull-tab device keeping body 2, pass through metal
Casting forming form.Main body 1 has parallel up and down upper flange 11 and lower wing plate 12, and links at the front end of main body 1
The guide post 13 of upper flange 11 and lower wing plate 12.The left and right sides edge of upper flange 12, which protrudes downwards, forms upper flange 111, bottom wing
The protrusion of the left and right sides edge upward direction of plate 12 forms lower flange 121.
Main body 1 has two open fronts 30 and an after-opening 31 between upper flange 11 and lower wing plate 12.It is opened before two
For mouth 30 in the left and right sides of guide post 13, top is arc-shaped, can pass through for the semicircle chain tooth of discrete state;After-opening 31
In the opposite side opening of guide post 13, top is in semicircular arc, can be passed through for the semicircle chain tooth of occlusive state.Upper flange
11, the semicircle that can intert for semicircle chain tooth is formed between lower wing plate 12, upper flange 111, lower flange 121, guide post 13
Chain tooth guiding groove.
It is equipped with upper fastening portion 18 close to 13 side of guide post on the outer surface of upper flange 11, lower card is equipped with far from guide post side
Portion 19, upper fastening portion 18 and lower fastening portion 19 are equipped with card slot, and upper fastening portion 18 is additionally provided with axis hole 16, and lower fastening portion 19 is additionally provided with perforation extremely
The locking hole 20 of semicircle chain tooth guiding groove 17.
The left and right sides wall of pull-tab device keeping body 2 is equipped with preceding stuck point 21 and rear stuck point 22, enables pull-tab device keeping body 2 and upper card
Portion 18 and lower fastening portion 19 connect, and are fixed on the surface of upper flange 11.Pull-tab device keeping body 2 is additionally provided with stopping and grabs 23 and with elasticity
Shaft 24 made of material stop pawl 23 and are located at after described on the side wall of stuck point 22, shaft 24 and pull-tab device keeping body 2
Roof is connected, and stretches out to guide post direction and bends towards upper flange direction and continues to extend.
When engaging, the shaft 24 of pull-tab device keeping body 2 stretches into axis hole 16, and preceding stuck point 21 engages with the card slot of upper fastening portion 18,
Stuck point 22 engages with the card slot of lower fastening portion 18 afterwards, stops pawl 23 and stretches into locking hole 20.Since shaft 24 is made with elastic material,
Stuck point 22 can move up and down in snap-fitting process afterwards, to make the shape of the shaft 24 made of elastic material of stopping pawl 23
Locking hole 20 is stretched into change, pulls pull-tab device so that pull-tab device keeping body 2 is lifted, and is stopped pawl 23 and is deviate from from locking hole 20, stops drag
Pull-tab device, pull-tab device keeping body 2 make stopping pawl 23 stretch into locking hole 20 by the spring return original state of shaft 24.
Embodiment 2
Embodiment 2 is that sliding slot group 14 is provided on the basis of embodiment 1, and as shown in figs. 6-7, the sliding slot group 14 can
To reduce the frictional force that chain tooth is generated when passing through guiding groove.
As shown in figs. 6-7, upper flange 11 is provided with sliding slot group 14 on one side relative to direction in 1 table of main body towards inside,
Sliding slot group 14 is made of convex platform 143, the first sliding groove 141 and second sliding slot 142, the convex platform 143 and pull head moving direction
Unanimously and to far from guide post direction extend, first upper hopper chute, 141 and second upper hopper chute 142 is centered on convex platform 143
It is symmetrical set and extends in 143 both sides of convex platform and parallel to each other to far from 13 side of guide post.
When semicircle chain tooth is by by sliding slot group 14, upper flange 11, lower wing plate 12, upper flange 111, lower flange 121 wrapped
Enclose and formed semicircle chain tooth guiding groove when, round chain tooth is contacted with the inner surface of convex platform 143 and lower wing plate, to reduce
Semicircle chain tooth comes into contact in a large area with semicircle chain tooth guiding groove, on the one hand reduces semicircle chain tooth guiding groove to semicircle
The frictional force of shape chain tooth surface pulls and is more convenient, on the other hand reduces generate make guide post due to long-term large area friction
13 drag forces being deformed, to increase the service life of pull head.
Preferably, pull-tab device keeping body is made of copper in embodiment 1.
Above example is only to illustrate the technical solution of the utility model, rather than its limitations;Although with reference to aforementioned reality
Example is applied the utility model is described in detail, it will be understood by those of ordinary skill in the art that:It still can be to preceding
The technical solution recorded in embodiment is stated to modify or equivalent replacement of some of the technical features;And these are repaiied
Change or replaces, the spirit and scope for the utility model embodiment technical solution that it does not separate the essence of the corresponding technical solution.
Claims (6)
1. a kind of copper cap semicircle pull head, including main body and pull-tab device keeping body, the main body have relatively parallel upper flange and
Lower wing plate, and close to guiding on the guide post of the front end side of main body connection upper flange and lower wing plate, the upper limb plate surface
The centre position of column side is equipped with upper fastening portion, and the centre position far from guide post side is equipped with lower fastening portion, and the pull-tab device is kept
Body is fixed on by being connected together with the upper fastening portion and the lower fastening portion on the upper flange, it is characterised in that:The master
Body has two open fronts and an after-opening between upper flange and lower wing plate;Two open fronts are on a left side for guide post
Right both sides, top are in symmetrical arc;An after-opening side opening opposite in guide post, top are in semicircular arc;Institute
The bottom end of the open front and after-opening stated is straight.
2. a kind of copper cap semicircle pull head according to claim 1, it is characterised in that:The pull-tab device keeping body is close to guiding
Column side is provided with shaft, and the upper fastening portion is provided with axis hole, and the lower fastening portion is provided with locking hole.
3. a kind of copper cap semicircle pull head according to claim 2, it is characterised in that:The upper flange both sides are toward bottom wing
Plate direction has upper flange, the lower wing plate to have lower flange toward upper flange direction;The upper flange, lower wing plate, upper flange, under
The semicircle chain tooth guiding groove that can intert for semicircle chain tooth is formed between flange, guide post.
4. a kind of copper cap semicircle pull head according to claim 3, it is characterised in that:The inner surface of the upper flange is set
Sliding slot group is set.
5. a kind of copper cap semicircle pull head according to claim 4, it is characterised in that:The sliding slot group by convex platform,
First upper hopper chute and the second upper hopper chute composition, the convex platform are arranged on the inside of the upper flange, are moved with pull head
Direction is consistent and extends to far from guide post direction, first upper hopper chute and the second upper hopper chute left and right pair centered on convex platform
Claim to be arranged and extend in convex platform both sides and parallel to each other to far from guide post side.
6. a kind of copper cap semicircle pull head according to claim 2, it is characterised in that the pull-tab device keeping body is made of copper.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721394955.5U CN207653698U (en) | 2017-10-26 | 2017-10-26 | A kind of copper cap semicircle pull head |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721394955.5U CN207653698U (en) | 2017-10-26 | 2017-10-26 | A kind of copper cap semicircle pull head |
Publications (1)
Publication Number | Publication Date |
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CN207653698U true CN207653698U (en) | 2018-07-27 |
Family
ID=62937524
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201721394955.5U Active CN207653698U (en) | 2017-10-26 | 2017-10-26 | A kind of copper cap semicircle pull head |
Country Status (1)
Country | Link |
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CN (1) | CN207653698U (en) |
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2017
- 2017-10-26 CN CN201721394955.5U patent/CN207653698U/en active Active
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