CN207186144U - A kind of pull head of slide fastener - Google Patents
A kind of pull head of slide fastener Download PDFInfo
- Publication number
- CN207186144U CN207186144U CN201720822626.XU CN201720822626U CN207186144U CN 207186144 U CN207186144 U CN 207186144U CN 201720822626 U CN201720822626 U CN 201720822626U CN 207186144 U CN207186144 U CN 207186144U
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- CN
- China
- Prior art keywords
- plate portion
- pull head
- circular hole
- square groove
- train wheel
- 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.)
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Abstract
The utility model discloses a kind of pull head of slide fastener, including for chain belt to be clipped in into clamping plate portion therein and the tight lock part in the clamping plate portion, the clamping plate portion includes the train wheel bridge that be arranged in parallel with lower plate and is connected the column of the train wheel bridge and lower plate, the tight lock part includes riser portion, square groove is offered inside the riser portion, the place riser portion inside is simultaneously further opened with a circular hole on the extended line to front side of the square groove；One round bar is inserted into the circular hole and is connected to first spheroid in the square groove.The pull head of slide fastener of the present utility model, it can prevent slide fastener oneself from disengaging, tight lock part is set on pull head, pull head is blocked by tight lock part after the chain tooth engagement of both sides, prevents pull head from sliding, so as to reach the purpose of locking.
Description
Technical field
A kind of pull head of slide fastener is the utility model is related to, belongs to zipper technology field.
Background technology
Slide fastener is to rely on continuously arranged chain tooth, makes article and the connector for closing or separating, is now largely used to clothes, bag
, tent etc., be characterized in taking the fastener being respectively made up of row's metal-toothed or plastic teeth by two, for connecting the edge of opening
（Such as clothes or sack）, having a sliding part two toothrows can be pulled in into interlocking position makes closure of openings.As shown in figure 1, common drawing
Chain is made up of chain tooth 1, pull head 2, and wherein chain tooth 1 is key component, and it directly determines the layback intensity of slide fastener, and general slide fastener has two
Piece chain belt 3a, 3b, the upper each own row chain tooth 1 of every chain belt 3a, 3b, two row chain tooths, 1 interlaced arrangement, the clamping of pull head 2 two
Side chain tooth 1, the pull head 2 include being used to chain belt being clipped in clamping plate portion 2a therein and the pulling-on piece on the clamping plate portion 2a
2b, pulling-on piece 2b is pulled to slide pull head 2, you can the chain tooth 1 of both sides is intermeshed or is disengaged, the clamping plate portion 2a includes parallel
The train wheel bridge of setting is with lower plate and is connected the column of the train wheel bridge and lower plate, before the column is located at clamping plate portion
Side, so-called front side are the direction for referring to pull pull head 2 to engage chain tooth 1.Existing above-mentioned slide fastener, usually because vibrate or touch by mistake and
Disengage, it is therefore necessary to design a kind of pull head of slide fastener for such case.
Utility model content
Therefore, the defects of the purpose of this utility model is to overcome in the prior art, there is provided a kind of pull head of slide fastener, can
Prevent slide fastener oneself from disengaging, tight lock part is set on pull head, pull head is blocked by tight lock part after the chain tooth engagement of both sides, made
Pull head can not slide, so as to reach the purpose of locking.
To achieve these goals, the pull head of a kind of slide fastener of the present utility model, including it is therein for chain belt to be clipped in
Clamping plate portion and the tight lock part in the clamping plate portion, the clamping plate portion include the train wheel bridge that be arranged in parallel and lower plate and
The column of the train wheel bridge and lower plate is connected, the column is located at the front side in clamping plate portion, and the tight lock part is included perpendicular to institute
State the riser portion of train wheel bridge, the moving direction of the length direction in the riser portion with the pull head when in use is consistent, described perpendicular
A square groove is offered along its length direction inside plate portion, the square groove includes the square of the position on rear side of the riser portion
Groove initiating terminal and the square groove clearing end extended in the middle part of the riser portion, inside the riser portion and positioned at described square
A circular hole is further opened with the extended line to front side of groove, one end of the circular hole is communicated in the square groove clearing end, another
End is communicated in the outside in the riser portion；One round bar is inserted into the circular hole and is connected to the in the square groove
One spheroid；One metal spring leaf includes bent plate portion, generallyperpendicular is connected to plate of the bent plate portion away from described circular hole one end
Portion, positioned at the bent plate portion close to the inserted link portion of the left and right sides of described circular hole one end；Opened in the lower wall of the square groove
Holding tank provided with one for accommodating the bent plate portion, the left and right sides difference of one end of the close circular hole of the holding tank
The jack for inserted link portion insertion is provided with, one end of the remote circular hole of the holding tank is provided with straight down
For the slot of inserted link portion insertion, the slot connection and the through hole being opened on the train wheel bridge, so that described insert
The lower prong of plate portion can pass through the through hole and protrude from the lower surface of the train wheel bridge；On the upper surface in the bent plate portion
It is provided with a spacing fin；The side of the slot is provided with depressed part in the lower surface of the holding tank, it is described recessed
Sunken portion is opened in the lower section of the spacing fin.
Using above-mentioned technical proposal, the pull head of slide fastener of the present utility model, when needing pull head to move, by round bar laterally
Drawing, so that the first spheroid departs from metal spring leaf, then the bent plate portion of metal spring leaf is reset into is bent when not acted on by external force
State, plate portion retract upwards with the bending in bent plate portion out of train wheel bridge through hole；When needing pull head to lock, by round bar to
Interior promotion, the first spheroid is moved to the top in bent plate portion and compress bent plate portion downwards, become after bent plate portion stress from case of bending
For straightened condition, so as to plate portion be then driven the through hole for being downwardly into train wheel bridge and make its lower prong be stuck in positioned at train wheel bridge with
In chain tooth between lower plate, so that pull head can not move；By setting a spacing fin in the upper surface in bent plate portion, make
First spheroid can be stopped when compressing bent plate portion by the spacing fin, so as to avoid vibration of first spheroid with pull head
And bent plate portion is inadvertently detached from, while spacing fin can give the obvious power of user one anti-in user's push-and-pull round bar
Feedback, so that user can know whether to lock on slide fastener according to force feedback.The pull head of slide fastener of the present utility model, structure
Simply, it is easy to operate, tight lock part is set on pull head, pull head is blocked by tight lock part after the chain tooth engagement of both sides, makes drawing
Head can not slide, so as to reach the purpose of locking.
Brief description of the drawings
Fig. 1 is zipper schematic diagram of the prior art.
Fig. 2 is the pull header structure schematic diagram in the utility model.
Fig. 3 is Fig. 2 decomposing schematic representation.
A portions partial enlarged drawing in Fig. 4 Fig. 3.
Fig. 5 is the schematic diagram when the first spheroid departs from metal spring leaf.
Fig. 6 is B portions partial enlarged drawing in Fig. 5
Embodiment
Below by way of the drawings and specific embodiments, the utility model is described in further detail.
As shown in Fig. 2 the present embodiment provides a kind of pull head, including for by chain belt be clipped in clamping plate portion 110 therein and
Tight lock part 120 in the clamping plate portion 110, the clamping plate portion 110 include the train wheel bridge 111 and lower plate be arrangeding in parallel
112 and the column 113 of the connection train wheel bridge 111 and lower plate 112, the column 113 be located at the front side in clamping plate portion 110.
In the utility model, so-called front side is the direction for referring to pull pull head to engage chain tooth 103, and so-called rear side refers to and front side phase
Anti- direction.
As seen in figures 3-6, the tight lock part 120 include in the riser portion 121 of the train wheel bridge 111, figure in order to
Convenient display, is symmetrical two parts by the cutting of riser portion 121 if being stem portion by the cutting of tight lock part 120.The riser
Moving direction of the length direction in portion 121 with the pull head when in use is consistent, is opened inside the riser portion 121 along its length direction
Provided with a square groove 122, the square groove 122 includes the square groove initiating terminal close to the position of the rear side of riser portion 121
The 122e and square groove clearing end 122f for extending to the middle part of riser portion 121, in the inside of riser portion 121 and it is located at institute
State and a circular hole 123 is further opened with the extended line to front side of square groove 122, one end of the circular hole 123 is communicated in the side
Shape groove clearing end 122f, the other end are communicated in the outside in the riser portion 121；One round bar 124 is inserted into the circular hole 123 simultaneously
First spheroid 125 in the square groove 122 is connected to, first spheroid 125 can be in the square groove 122
It is mobile, but its external diameter is more than the internal diameter of circular hole 123, so as to enter in the circular hole 123；One metal spring leaf 126 includes curved
Plate portion 126a, generallyperpendicular it is connected to plate portion 126bs of the bent plate portion 126a away from described one end of circular hole 123, positioned at institute
State inserted link portion 126cs of the bent plate portion 126a close to the left and right sides of described one end of circular hole 123；In the lower wall of the square groove 122
On offer one be used for accommodate the bent plate portion 126a holding tank 122a, the holding tank 122a the close circular hole 123
One end at left and right sides of be separately provided for the jack 122c of inserted link portion 126c insertion, the holding tank 122a's is remote
From the circular hole 123 one end be provided with straight down be used for the inserted link portion 126c insertion slot 122b, the slot
122b connects the through hole 111a with being opened on the train wheel bridge 111, so that the lower prong 126b1 energy of the plate portion 126b
Reach through the through hole 111a and protrude from the lower surface of the train wheel bridge 111.
It is connected with one end of remote first spheroid 125 of the round bar 124 and the size phase of the first spheroid 125
The second same spheroid 127.
A spacing fin 126d is provided with the upper surface of the bent plate portion 126a.
The side of the slot 122b is provided with depressed part 122d in the lower surface of the holding tank 122a, it is described recessed
Fall into the lower section that portion 122d is opened in the spacing fin 126d.
Using above-mentioned technical proposal, the pull head of slide fastener of the present utility model, when needing pull head to move, by round bar 124 to
Outside drawing, so that the first spheroid 125 departs from metal spring leaf 126, as shown in Figure 5,6, then the bent plate portion of metal spring leaf 126
126a resets into case of bending when not acted on by external force, and plate portion 126b is as bent plate portion 126a bending is from train wheel bridge 111
Through hole 111a in retract upwards；When needing pull head to lock, round bar 124 is inwardly promoted, is moved to the first spheroid 125 curved
Plate portion 126a top simultaneously compresses downwards bent plate portion 126a, as shown in Figure 3,4, is changed into after bent plate portion 126a stress from case of bending
Straightened condition, so as to which plate portion 126b is then driven the through hole 111a for being downwardly into train wheel bridge 111 and makes its lower prong 126b1 cards
In the chain tooth 103 between train wheel bridge 111 and lower plate 112, so that pull head can not move；By in bent plate portion 126a
Upper surface set a spacing fin 126d, enable the first spheroid 125 when compressing bent plate portion 126a by the limit convex
Rib 126d is stopped, so as to avoid the first spheroid 125 from being inadvertently detached from bent plate portion 126a with the vibration of pull head, and meanwhile it is spacing
Fin 126d can give one obvious force feedback of user in user's push-and-pull round bar 124, so that user can
Know whether to lock on slide fastener according to force feedback.
Obviously, above-described embodiment is only intended to clearly illustrate example, and is not the restriction to embodiment.For
For those of ordinary skill in the art, other various forms of changes or change can also be made on the basis of the above description
It is dynamic.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change or change thus extended out
Among the dynamic protection domain created still in the utility model.
Claims (1)
- A kind of 1. pull head of slide fastener, it is characterised in that：Tight lock part including clamping plate portion and in the clamping plate portion, the folder Plate portion includes the train wheel bridge that be arranged in parallel with lower plate and is connected the column of the train wheel bridge and lower plate, and the column is located at The front side in clamping plate portion, the tight lock part are included perpendicular to the riser portion of the train wheel bridge, the length direction in the riser portion with it is described The moving direction of pull head when in use is consistent, and a square groove is offered along its length direction inside the riser portion, described square The square groove that groove includes the square groove initiating terminal of the position on rear side of the riser portion and extended in the middle part of the riser portion Clearing end, a circular hole is further opened with inside the riser portion and on the extended line to front side of the square groove, it is described One end of circular hole is communicated in the square groove clearing end, and the other end is communicated in the outside in the riser portion；One round bar is inserted into institute State in circular hole and be connected to first spheroid in the square groove；One metal spring leaf includes bent plate portion, generallyperpendicular Be connected to plate portion of the bent plate portion away from described circular hole one end, positioned at the bent plate portion close to the left and right of described circular hole one end The inserted link portion of both sides；A holding tank for being used to accommodate the bent plate portion, the appearance are offered in the lower wall of the square groove Receive groove the close circular hole one end at left and right sides of be separately provided for the jack of inserted link portion insertion, the receiving One end of the remote circular hole of groove is provided with the slot for being used for inserted link portion insertion straight down, slot connection with The through hole being opened on the train wheel bridge, so that the lower prong in the plate portion can pass through the through hole and protrude from described The lower surface of train wheel bridge；A spacing fin is provided with the upper surface in the bent plate portion；In the lower surface of the holding tank The side of the slot is provided with depressed part, the depressed part is opened in the lower section of the spacing fin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720822626.XU CN207186144U (en) | 2017-07-07 | 2017-07-07 | A kind of pull head of slide fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720822626.XU CN207186144U (en) | 2017-07-07 | 2017-07-07 | A kind of pull head of slide fastener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207186144U true CN207186144U (en) | 2018-04-06 |
Family
ID=61785520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720822626.XU Active CN207186144U (en) | 2017-07-07 | 2017-07-07 | A kind of pull head of slide fastener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207186144U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108433258A (en) * | 2018-05-29 | 2018-08-24 | 天津浔兴拉链科技有限公司 | A kind of slide fastener with locking function |
-
2017
- 2017-07-07 CN CN201720822626.XU patent/CN207186144U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108433258A (en) * | 2018-05-29 | 2018-08-24 | 天津浔兴拉链科技有限公司 | A kind of slide fastener with locking function |
| CN108433258B (en) * | 2018-05-29 | 2021-06-01 | 天津浔兴拉链科技有限公司 | Zipper with locking function |
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