CN201827207U

CN201827207U - Wave board screw

Info

Publication number: CN201827207U
Application number: CN2010205299816U
Authority: CN
Inventors: 许泰平
Original assignee: YOW CHERN CO Ltd
Current assignee: YOW CHERN CO Ltd
Priority date: 2010-09-15
Filing date: 2010-09-15
Publication date: 2011-05-11
Anticipated expiration: 2020-09-15

Abstract

The utility model discloses a wave board screw, which is applied to operation of locking a wave board onto a framework. The wave board screw comprises a screw head, a rod body and a locking part, wherein the rod body outwards extends from the screw head, the locking part is arranged at the tail end of the rod body, the region on the rod body is divided into a positioning region and a locking installation region, an annular cutting block convexly extends between the positioning region and the locking installation region, and the circumference of the annular cutting block is provided with an annular knife edge in the direction corresponding to the locking part. The design that the annular knife edge is used for cutting in a full-covering way is adopted, the wave board is fast cut, in addition, the locking installation generated by the annular cutting block can be precisely blocked on the framework to maintain the positioning effect of the wave board after locking, the whole visual aesthetic feeling influence caused by height change generated by the locking position of the wave board can be avoided.

Description

Wave plate screw

Technical field

The utility model relates to a kind of screw, particularly a kind of unrestrained plate screw that is locked on the roof.

Background technique

Consult Fig. 1, existing unrestrained plate screw 1 includes a spiral shell head 11, and is located at the locking part 13 of these body of rod 12 ends and the two protruding wings 14 that are symmetrically set on this body of rod 12 by these spiral shell head 11 outward extending bodies of rod 12; Wherein, this body of rod 12 is divided into a positioning area 121 that connects this spiral shell head 11, and one connect this positioning area 121, locking part 13 and on be equipped with several threads 123 lock establish district 122; In addition, this two protruding wing 14 is symmetricly set in this positioning area 121 and lock is established between the district 122, and this each protruding wing 14 is sharp-pointed barb-like design.

Lock when establishing, utilize this locking part 13, thread 123 screws in unrestrained plate 2 and the skeleton 3, this protruding wing 14 cuts a perforation 21 greater than these body of rod 12 diameters on this wave plate 2 simultaneously, make 12 of this perforation 21 and this bodies of rod produce a suitable gap, to provide this wave plate 2 to expand with heat and contract with cold or required motion space is rocked in earthquake, the facts of avoiding this perforation 21 to be squeezed and causing unrestrained plate 2 to break, simultaneously should wave plate screw after 1 lock establishes, these protruding wing 14 actual another effects in addition, that is shown in (a) among Fig. 1, pull on this skeleton 3 by these protruding wing 14 tops, can prevent that this wave plate screw 1 from continuing to lock this skeleton 3, therefore should wave plate screw 1 should wave plate 2 location after, this wave plate screw 1 can not lock established dark, avoid this spiral shell head 11 to be expressed to this wave plate 2, the situation that causes these wave plate 2 depressions to damage produces.

Yet existing unrestrained plate screw 1 finds have following disappearance to produce after reality is used, and details are as follows now:

1. owing to only be provided with disymmetrical protruding wing 14 on this wave plate screw 1, so the stress that working angles is produced all concentrates on the tip of two protruding wings 14, cause these protruding wing 14 most advanced and sophisticated generation wearing and tearing passivation, breakage easily, influence this two protruding wing 14 and can't cut a complete perforation 21 apace on this wave plate 2, relatively easily the disappearance of influential sealed speed produces.

2. still continuous aforementioned, the lock of this wave plate screw 1 is established speed, relevant with the tooth of wantonly two threads 123 again apart from design, promptly should avoid sealed process to produce the excessive forward velocity except that utilizing these two protruding wings, 14 tops to pull in this skeleton 3 by wave plate screw 1, the tooth of these wantonly two threads 123 is too big apart from also not being provided with, can drive this wave plate screw 1 easily and enter among this wave plate 2 and this skeleton 3 otherwise have too wantonly two threads 123 of molar distance, cause bad sealed effect.

3. still continuous aforementioned, in the working angles, one of them protruding wing 14 easily produces damaged, fracture, cause this two protruding wing 14 to form phenomenon different in size, cause sealed after this two protruding wing 14 can't pull in (the crooked phenomenon shown in (b) among Fig. 1) on this skeleton 3 on balanced top, related this spiral shell head 11 that makes can't firmly fit on this wave plate 2, influences the locating effect of this wave plate screw 1; Moreover, cooperate and to consult among Fig. 1 shown in (c), because this spiral shell head 11 to the distance of these protruding wings 14 is equal to the distance of 3 on this wave plate 2 and skeleton, the position that ruptured this moment when these protruding wings 14 are sealed is not quite similar down, this wave plate 2 is subjected to these spiral shell head 11 extruding easily and is the out-of-flatness state, also haves much room for improvement.

The model utility content

Technical problem to be solved in the utility model is to provide a kind of unrestrained plate screw, and it has and can cut fast, and also has preferable locating effect after sealed.

For solving the problems of the technologies described above, technical solution of the present utility model is:

A kind of unrestrained plate screw, it is applied to unrestrained plate and is locked in the skeleton operation, and this wave plate screw includes a spiral shell head, and one by the outward extending body of rod of this spiral shell head, and a locking part of being located at this body of rod end; Wherein, this body of rod is divided into a positioning area that connects this spiral shell head, and one connects between this positioning area, locking part and the lock that is equipped with thread on it is established the district; This positioning area and lock are established the interval and are convexed with a ring cutting piece, and this ring cutting piece periphery is formed with a cutting ring sword with respect to this locking part direction.

Offer several flutings on the described cutting ring sword, thereby on this cutting ring sword, form several sawtooth of offering at interval.

The bar footpath in district is established in the bar footpath of described positioning area greater than described lock.

Described positioning area size just equals the distance between this wave plate back, sealed location and this skeleton.

At least offer one on the described ring cutting piece and dissect the district, described ring cutting piece is subjected to this blocking-up of dissecing the district and forms several ring cutting unit.

After adopting such scheme, because the utility model is established at the positioning area of unrestrained plate screw rod body and lock and has been set up a ring cutting piece between the district, this ring cutting piece periphery is formed with a cutting ring sword with respect to this locking part direction, this cutting ring sword can cut by full-covering type in sealed unrestrained plate process, except that reaching quick cutting effect, simultaneously when sealed skeleton to this wave plate, this ring cutting piece also accurately backstop on this skeleton, accurately to keep the locating effect of this wave plate after sealed, avoid the sealed back of these unrestrained plates to produce bad extruding phenomenon, influence whole visual sense of beauty.

Description of drawings

Fig. 1 is the locked state figure of existing unrestrained plate screw;

Fig. 2 is the stereogram of the utility model first preferred embodiment;

Fig. 3 is the locked state figure of the utility model first preferred embodiment;

Fig. 4 is the locked state figure of the utility model first preferred embodiment;

Fig. 5 is the stereogram of the utility model second preferred embodiment;

Fig. 6 is the stereogram of the utility model the 3rd preferred embodiment;

Fig. 7 is the A-A sectional drawing of Fig. 6;

Fig. 8 is the stereogram of the utility model the 3rd another aspect of preferred embodiment.

[primary component symbol description]

4 unrestrained plate screw 41 spiral shell heads 42 bodies of rod

43 locking parts, 44 ring cutting pieces, 421 positioning areas

422 locks are established district's 423 threads, 441 cutting ring swords

442 flutings, 443 sawtooth 444 dissect the district

The outside diameter d lock of 445 ring cutting cells D positioning areas is established the external diameter in district

5 unrestrained plate 6 skeletons.

Embodiment

About aforementioned and other technology contents, characteristics and effect of the present utility model, in the following detailed description that cooperates with reference to graphic preferred embodiment, can clearly understand.

Before the utility model is described in detail, be noted that in the following description similar elements is to represent with identical numbering.

Consult Fig. 2, Fig. 3, first preferred embodiment of the present utility model, this wave plate screw 4 is applied in the operation of unrestrained plate 5 sealed skeletons 6, this wave plate screw 4 includes a spiral shell head 41, one by these spiral shell head 41 outward extending bodies of rod 42, one is located at the locking part 43 of these body of rod 42 ends, and a ring cutting piece 44 that is located on this body of rod 42; Wherein, this body of rod 42 is divided into the positioning area 421 of this spiral shell head 41 of connection, and one the lock that connects this

positioning area

421,43 of locking parts and be equipped with several threads 423 on it establish district 422, and aforementioned positioning area 421 sizes just equal the distance that this wave plate 5 is locked on 6 on skeleton; In addition, this ring cutting piece 44 is arranged at this positioning area 421 and lock is established 422 in district, and these ring cutting piece 44 peripheries are formed with a cutting ring sword 441 with respect to these locking part 43 directions simultaneously; As for, the shape of this locking part 43 can be the design of boring tail, and perhaps this locking part 43 also can be the design of a fine stern, lock with the brill in response to unlike material, and this locking part 43 is that example is represented to bore tail only among this enforcement figure.

Consult Fig. 3, when this wave plate screw 4 is sealed should wave plate 5 time, utilize this locking part 43 and thread 423 these wave plates 5 of cutting, screw in this skeleton 6 to drive this body of rod 42, and when this ring cutting piece 44 touches this wave plate 5, can utilize on this ring cutting piece 44 441 pairs of formed cutting ring swords to cut a perforation 51 by wave plate 5, and in working angles, this cutting ring sword 441 and this wave plate 5 full aspect that contacts in the form of a ring, therefore the lock that working angles produced is established stress and can be shared out equally on this cutting ring sword 441, remove and avoid these cutting ring sword 441 locks to establish the too concentrated and generation breakage of point of contact, outside the passivation, more make this cutting ring sword 441 can bear bigger lock and establish stress, and has a preferable cutting effect, so the tooth of this wave plate screw 4 is no longer locked the restriction of establishing stress in design, and the tooth distance of wantonly two threads 423 of increase that can be suitable, its relative lock is established, cutting speed also can promote in synchronization gain.

Cooperate and consult Fig. 4, after these ring cutting piece 44 cutting and passing this perforation 51, when these ring cutting piece 44 tops are pulled in this skeleton 6, because of this skeleton 6 belongs to thicker and harder material, so the cutting ring sword 441 of this ring cutting piece 44 can't cut and enter this skeleton 6, promptly this ring cutting piece 44 can be subjected to the backstop of this skeleton 6 and locate, add these ring cutting piece 44 tool high-strength characteristic simultaneously and be arranged in the form of a ring on this body of rod 42, so this cutting ring sword 441 can not produce any fracture, be maintained the distance that this spiral shell head 41 to the distance of this ring cutting piece 44 is equal to 6 on this wave plate 5 and skeleton, and then this wave plate screw 4 entirely should wave plate 5 be locked set the position.

Consult Fig. 5, the utility model second preferred embodiment, this wave plate screw 4 still has main important document such as spiral shell head 41, the body of rod 42, locking part 43 and ring cutting piece 44; Particularly, positioning area 421 outer diameter D of this body of rod 42 of present embodiment are established the outside diameter d in district 422 greater than this lock; In addition, can offer several flutings 442 on the cutting ring sword 441 of this ring cutting piece 44, so that form several sawtooth of offering at interval 443 on this cutting ring sword 441; So,, when it is made at this wave plate screw 4, help the moulding of this ring cutting piece 44 by the outside diameter d that these positioning area 421 outer diameter D are established district 422 greater than this lock; In addition, offer several on this cutting ring sword 441 and slotted 442 o'clock, when it can make this cutting ring sword 441 contact with this wave plate (not shown), utilize this sawtooth 443 to form multiple spot cutting kenel, the resistance that is produced when cutting to reduce makes working angles more laborsaving, quick.

Consult Fig. 6, Fig. 7, the utility model the 3rd preferred embodiment, this wave plate screw 4 still has important documents such as spiral shell head 41, the body of rod 42, locking part 43 and ring cutting piece 44; Particularly, offer at least one district 444 of dissecing on this ring cutting piece 44, and be example to offer three among the figure, thereby making this ring cutting piece 44 be subjected to this dissects the blocking-up in district 444 and forms several ring cutting unit 445, its smear metal that unrestrained plate (not shown) of cutting is produced is dissectd district 444 by this and is discharged, and impels the better lifting of cutting effect; In addition, as shown in Figure 8, can on the cutting ring sword 441 of each ring cutting unit 445, offer several flutings 442 in addition in good time, so that form several sawtooth of offering at interval 443 on this cutting ring sword 441, no matter and be Fig. 6 or Fig. 8 aspect, also have the described quick cutting of previous embodiment, and also have effects such as preferred positioning effect after sealed.

Conclude aforementioned, the utility model wave plate screw is formed with a cutting ring sword by this ring cutting piece with respect to this locking part direction, so that establishing stress, the lock that sealed process produced to share out equally on this cutting ring sword, make this cutting ring cutlery bear bigger lock and establish stress characteristics, to establish stress excessive and cause the situation of this ring cutting piece fracture except that avoiding locking, in addition when this ring cutting piece lock is established to this skeleton, this ring cutting piece more can push up accurately and pull on this skeleton, and then make this wave plate screw formation ground be locked the setting position by the wave plate, to reach preferable fixed effect.

And the above, only be explanation preferred embodiment of the present utility model, when not limiting the scope that the utility model is implemented with this, the i.e. simple equivalence of doing according to the utility model claim and description generally changes and modifies, and all should still belong in the scope that the utility model patent contains.

Claims

1. unrestrained plate screw, it is applied to unrestrained plate and is locked in the skeleton operation, and this wave plate screw includes a spiral shell head, and one by the outward extending body of rod of this spiral shell head, and a locking part of being located at this body of rod end; Wherein, this body of rod is divided into a positioning area that connects this spiral shell head, and one connects between this positioning area, locking part and the lock that is equipped with thread on it is established the district; It is characterized in that:

This positioning area and lock are established the interval and are convexed with a ring cutting piece, and this ring cutting piece periphery is formed with a cutting ring sword with respect to this locking part direction.

2. unrestrained plate screw according to claim 1 is characterized in that: offer several flutings on the described cutting ring sword, thereby form several sawtooth of offering at interval on this cutting ring sword.

3. unrestrained plate screw according to claim 1 and 2 is characterized in that: the bar footpath in district is established in the bar footpath of described positioning area greater than described lock.

4. unrestrained plate screw according to claim 1 and 2 is characterized in that: described positioning area size just equals the distance between this wave plate back, sealed location and this skeleton.

5. unrestrained plate screw according to claim 1 and 2 is characterized in that: offer one at least on the described ring cutting piece and dissect the district, described ring cutting piece is subjected to this blocking-up of dissecing the district and forms several ring cutting unit.