CN201110375Y

CN201110375Y - Buckle for fixing seal strip or analogous apparatus on installation surface

Info

Publication number: CN201110375Y
Application number: CNU2007203030273U
Authority: CN
Inventors: 周益智
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-12-05
Filing date: 2007-12-05
Publication date: 2008-09-03
Anticipated expiration: 2017-12-05

Abstract

The utility model discloses a clasp for fixing a seal strip or similar devices on an assembly surface, in particular to a clasp of a toaster door seal strip, which is made of a single-bar bendable wire which is provided with elasticity or other fitful materials and comprises a head which is in conjunction with the assembly surface, a neck and a ring-shaped chassis which is perpendicular to the head and is connected with the neck, wherein the chassis is provided with a waveshape projection which can be in the termination part of the chassis ring and can also be in one side of the head or two sides which are provided with the waveshape projection which parallels the head, the plane which is formed by waveshape is perpendicular to the chassis, the clasp chassis is enchased in the inner portion of the seal strip and can be rotated in the braided seal strip and can also be enchased in the braiding procedure, the head is penetrated from the seal strip and extends outsides to chuck in the hole of the assembly surface and can effectively fix the seal strip on the assembly surface.

Description

A kind of buckle that is used for Stamping Steel Ribbon or similar device are fixed in installation surface

Technical field

The utility model relates to a kind of being used for Stamping Steel Ribbon or similar device is fixed in buckle on the installation surface, especially for the buckle of oven door Stamping Steel Ribbon.

Background technique

The gate open of electrical equipment such as baking box, refrigerator, microwave oven is everlasting to be equipped with around it and is used to seal or the tubulose Stamping Steel Ribbon of other purposes.This type of Stamping Steel Ribbon generally is made of an interior support tubes and an overcoat pipe fitting, and wherein interior support tubes adopts metal wire knitted to form, and the overcoat pipe fitting then can adopt insulation/hot material such as fiberglass braided forming.Practice shows, in use through for many years folding repeatedly, the sealing bar still has very strong serviceability and better seal to oven door under hot environment.

Be used for the typical method that the tubulose Stamping Steel Ribbon is fixed on the oven door be: several independent buckles of arranging along the axial side of Stamping Steel Ribbon are provided, buckle comprises orthogonal head and base, the bottom is embedded in Stamping Steel Ribbon inside, head is stretched out in the hole of inserting on the oven door, so that Stamping Steel Ribbon is fixed on the oven door by Stamping Steel Ribbon.

Existing several buckles in the prior art.As U.S. Pat 6893025, a kind of gasket set that has buckle is disclosed, described buckle is formed by the several angle bending by an elastic metallic yarn, the head and the base vertical that comprise a rhombus with header planes, described base is changed by at least one circle radius of curvature or constant circumfili constitutes, and have an afterbody, thereby this afterbody is bent downwardly at a certain angle usually with the last lap circumfili and is separated.Find that in long-term using process this buckle is pricked operator's hand easily, and easily glass fibre pierced through, cuts owing to have the afterbody of a perk when Stamping Steel Ribbon is installed, have a strong impact on the Stamping Steel Ribbon performance.And, when braiding, embed relatively difficulty of Stamping Steel Ribbon because this buckle has an afterbody, and can only embed the good Stamping Steel Ribbon of braiding in the mode that screws in, this just needs a large amount of hand labours.When the base of buckle was circumfili greater than a circle, multi layer spiral structure caused glass fibre to reel off raw silk from cocoons when screwing in easily, influences sealing effect.

U.S. Pat 5107623 discloses a kind of Weaving type buckle, though this type of buckle has solved the problem that buckle is screwed in the required a large amount of hand labours of Stamping Steel Ribbon, but in case just be difficult for therefrom taking out after being knitted into Stamping Steel Ribbon, as taking out the braiding structure that will destroy glass fibre by force, have a strong impact on sealing effect.Use this type of buckle, if go wrong in the braiding process, make mistakes such as the buckle spacing, or buckle is not point-blank, whole Stamping Steel Ribbon just cancelled.

Summary of the invention

The utility model provides a kind of being used for that Stamping Steel Ribbon or similar device are fixed in improved buckle on the installation surface, and this buckle can screw in the Stamping Steel Ribbon that has woven, also can embed in the braiding process, firmly effectively.

A kind of buckle that is used for Stamping Steel Ribbon or similar device are fixed in installation surface, by single flexible, and rubber-like wire or other suitable material constitute, and comprise a head that agrees with installation surface, the base that neck is vertical with head with, link to each other at neck.Head has the top and a pair of shoulder of point, shoulder general size symmetry, head is extended to shoulder by the top, one of them shoulder is punctured into an end wiry, another shoulder inwardly is retracted to then that adjacent with wire end a bit it is neck that shoulder is contracted to the thinnest part, and all the other wires begin the base of downward-sloping slightly back coiled annular from neck, neck is positioned at the base plane top, has wave heave on the base.Vertical with base by the top with the longitudinal axis of neck.

Described annular base is vertical with plane, head place, and the wave heave that is partly with in the annular end, the formed plane of waveform is also vertical with base, another end wiry is the end end of waveform, starting end near the base annular, leave small gap, and with base at grade.

Improved form of the present utility model is: formed plane of wave heave on the described base annular and head place plane parallel, and vertical with base; Perhaps on annular, have two wave heaves, the formed plane of two waveforms all with head place plane parallel, and vertical with base.

The utility model buckle simple in structure effectively, owing to have wave heave on the base, guaranteed that buckle firmly is fixed in Stamping Steel Ribbon on the installation surface effectively, the neck that separates with base plane has guaranteed that buckle can screw out easily and do not destroy the braiding structure of Stamping Steel Ribbon from Stamping Steel Ribbon, and, an end wiry and base are in same plane on the base, the afterbody that does not have perk has prevented the glass fibre of buckle wire puncture through seal bar and pricked operator's hand in installation process.

Description of drawings

Fig. 1 is the buckle stereogram of wave heave at base annular latter end.

Fig. 2 is the buckle plan view of wave heave at base annular latter end.

Fig. 3 has the buckle stereogram of a wave heave parallel with head for the base annular.

Fig. 4 has the buckle stereogram of two wave heaves parallel with head for the base annular.

Embodiment

As depicted in figs. 1 and 2, a kind of buckle that is used for Stamping Steel Ribbon or similar device are fixed in installation surface, by single flexible, and rubber-like wire or other suitable material constitute, be generally stainless steel, as the semi-harden stainless steel of 304ss, it is circular that the wire cross section is generally, diameter is 0.5～0.8mm, and typical sizes is 0.635mm.Buckle comprises 10, one neck 20 of head that agree with installation surface base 30 vertical with head with, that link to each other at neck.Head 10 has the top 11 and a pair of shoulder 12 of point, shoulder general size symmetry, head 10 is extended to shoulder 12 by top 11, one of them shoulder is punctured into an end 13 wiry, another shoulder then inwardly be retracted to adjacent with wire end 13 a bit, it is neck 20 that two shoulders are contracted to the thinnest part, all the other wires are from the base 30 of the downward-sloping slightly back of neck 20 beginnings coiled annular, neck 20 is positioned at top, base 30 planes 0.8～1.0mm, and is vertical with base with the longitudinal axis of neck 20 by top 11.Annular base 30 is vertical with the plane at head 10 places, and the wave heave 33 that is partly with in the annular end, the formed plane of waveform is also vertical with base, another end 32 wiry is the end end of waveform, starting end 31 near the base annular, leave the gap of 0.3～0.4mm, and with base at grade.

Described wave heave, waveform height 1.0-1.5mm, waveform length (being the distance of waveform starting end) 4.0-5.0mm to the waveform ending segment.

A kind of optimum size of buckle head: the distance between base 30 and the buckle shoulder 12 is about 3.3mm, distance between base 30 and the buckle top 11 is about 10.4mm, width between buckle two shoulders is about 4.8mm, the waveform height of wave heave is 1.5mm, waveform length is 4.5mm, and neck 20 is 1.0mm to the perpendicular distance of base 30.

Fig. 3 is a kind of improved form of the utility model buckle, described wave heave 33 formed planes and head 10 plane parallel, and vertical with base 30.

Fig. 4 is the another kind of improved form of the utility model buckle, has two wave heave 33a and 33b on base 30 annulars, and the formed plane of two waveforms is all parallel with head 10, and vertical with base 30.

The method that the utility model buckle is embedded Stamping Steel Ribbon is: because the end end of base annular, just wire wherein one terminal 32 and the starting end 31 of base annular between leave the gap of 0.3～0.4mm, and pushing wave heave also helps wire end 32 and base 30 are separated, earlier wire end 32 is inserted the braiding overcoat of Stamping Steel Ribbon, further be pressed into again the braiding overcoat in and by the rotation till certain one metal wire that tangles Stamping Steel Ribbon inner support pipe fitting, then according to rotating buckle by the top 11 of buckle head and the longitudinal axis of neck 20, base 30 just can pass braiding overcoat and inner support metal pipe element, and is in inner support pipe fitting below wiry fully.

Certainly, also can earlier buckle be screwed in the inner support pipe fitting, then around buckle braided glass fibre overcoat.The buckle that has two wave heaves as shown in Figure 3 adopts this kind method embedding Stamping Steel Ribbon more convenient.

Embed the buckle of Stamping Steel Ribbon, its base 30 places the cavity in the middle of the tubular Stamping Steel Ribbon fully, and head 10 is protruding by the braiding overcoat of Stamping Steel Ribbon.The buckle head has sharp top 11, can insert the hole of about 3.9mm on the oven door, two shoulders are owing to be subjected to the extruding contraction of hole, whole head 10 can pass the hole on the oven door, treat that head passes after the hole, shoulder reverts to original size again, because the distance between two shoulders is bigger than bore hole size, the head of buckle can be stuck within the hole of oven door securely, and Stamping Steel Ribbon also just is fixed on the oven door.

Claims

1. buckle that is used for Stamping Steel Ribbon or similar device are fixed in installation surface, constitute by single rubber-like wire, comprise a head that agrees with installation surface (10), a neck (20) is vertical with head (10) with one, at the continuous base (30) of neck (20), head (10) has a top (11) and a pair of shoulder (12), head (10) is extended to shoulder (12) by top (11), one of them shoulder is punctured into an end wiry (13), another shoulder then inwardly be retracted to adjacent with wire end (13) a bit, it is neck (20) that shoulder is contracted to the thinnest part, wire is from the base (30) of the downward-sloping slightly back of neck (20) beginning coiled annular, neck (20) is positioned at top, base (30) plane, base (30) has wave heave, the formed plane of waveform is vertical with base (30), another end wiry (32) leaves the gap near the starting end (31) of base annular, and with base (30) at grade.

2. the buckle that is used for Stamping Steel Ribbon or similar device are fixed in installation surface as claimed in claim 1, it is characterized in that: described wave heave (33) is at the latter end of base (30) annular, an end wiry (32) is the end end of waveform, and the formed plane of waveform is vertical with base (30).

3. the buckle that is used for Stamping Steel Ribbon or similar device are fixed in installation surface as claimed in claim 1 is characterized in that: formed plane of described wave heave (33) and head (10) plane parallel, and vertical with base (30).

4. the buckle that is used for Stamping Steel Ribbon or similar device are fixed in installation surface as claimed in claim 1, it is characterized in that: on base (30) annular, have two wave heaves (33a) and (33b), the formed plane of two waveforms is all parallel with head (10), and vertical with base (30).

5. as claim 1,2, the 3 or 4 described buckles that are used for Stamping Steel Ribbon or similar device are fixed in installation surface, it is characterized in that: the wave mode height of described wave heave is 1.0～1.5mm, and waveform length is 4.0～5.0mm.

6. the buckle that is used for Stamping Steel Ribbon or similar device are fixed in installation surface as claimed in claim 1, it is characterized in that: the perpendicular distance between described neck (20) and base (30) is 0.8～1.0mm.

7. the buckle that is used for Stamping Steel Ribbon or similar device are fixed in installation surface as claimed in claim 1 is characterized in that: wire one end (32) that described base (30) comprises leaves 0.3～0.4mm gap near the starting end (31) of base annular.