CN2497936Y

CN2497936Y - Buckle

Info

Publication number: CN2497936Y
Application number: CN 01204352
Authority: CN
Inventors: 罗佳雄
Original assignee: Taiwan Industrial Fastener Corp
Current assignee: Taiwan Industrial Fastener Corp
Priority date: 2001-03-09
Filing date: 2001-03-09
Publication date: 2002-07-03
Anticipated expiration: 2011-03-09

Abstract

The utility model discloses a button tool, which is provided with a horizontal baffle arranged on the top of a mother button, a rod body extends from the baffle bottom, the end of the rod body is conoid, a passage is arranged in the middle of the battle, a gradual shrinkage surface in an insertion end of the passage and a corresponsive cesarean groove are arranged on the rod body and at the two sides of the insertion end, a horizontal baffle on the top of a father button is pressed above the mother button baffle, an end of the father button rod body is an inclined plane of a can-be-broaching, a composite board component is sleeved outside of a little-diameter rod body between the mother button baffle and the conoid insertion end, the insertion end bottom of the mother button is a V-shaped cone, and one side board surface is provided with a transverse gap, thus leading the insertion end to have better elastic deformation, easy assembly and low insertion power.

Description

Fastener

The utility model relates to a kind of fastener, refers to that especially a kind of insertion end by box when the perforation that is pressed into plate body, cuts open the breach of establishing by conical surface side plate, makes insertion end have preferable resiliently deformable, and can reach assembling easily, and have the effectiveness of low insertion force.

Be used in computer now, fixed fastener on the adjacent plate such as vehicle and household electrical appliances, all make mostly with plastic cement or punching press steel disc, the formation of plate can be divided into non-transformer (as the vehicle plaque, household electrical appliances plaque etc.) and two kinds of power supplys are arranged, be close to or be stationary state and mostly be greatly between power free adjacent plate with certain interval, but have between the adjacent plate of power supply and then need present stationary state (as between two circuit boards or circuit board and metallic housing) with gap, the wherein power free fixed fastener of being close on the plate can be consulted Fig. 7, shown in 8, for existing will be incorporated into plate the time the action schematic representation and pushed plate after side view, i.e. the one six 0 four nine No. four novel patent, its patent name is a plain type plate fixed fastener, and this existing mainly be to utilize pin thread and box directly fixedly to have the adjacent plate of certain interval, but though the structure of its pin thread strong fix when the plate of fixing top, but the clamping range of plate thickness is less, and the construction utmost point is not easy when box is desired to be incorporated into plate, and it is complicated that its whole structural design is also disliked slightly, how in addition go out can simple and easy assembling and the fastener of fixing two plates with low cost for design improvement, remains this journey dealer to do further development.

The purpose of this utility model provides a kind of fastener, its insertion end one side by the box below conical surface is cutd open and is provided with one and slightly is horizontal breach, has less insertion force when making insertion end push the perforation of plate, and after the body of rod of pin thread pushes the box passage, by outwards pushing of passage convergent face, it is fixing that insertion end is opened outward in the perforation of being fixed in plate.

The purpose of this utility model is achieved in that a kind of fastener, comprise box and pin thread, its box is a up-and-down rod shape body, its top is provided with a horizontal baffle plate, a body of rod is extended in the baffle plate bottom surface, and the body of rod is terminal for being the insertion end of taper, and is provided with the passage that is communicated to top, insertion end bottom towards the body of rod in baffle plate central authorities, its passage is formed with the convergent face in the insertion end position, and the body of rod is provided with a corresponding profile groove with the insertion end two side faces; Above-mentioned box is provided with a passage that can be pressed into for the body of rod of pin thread, the horizontal baffle plate in pin thread top is pressed together on the baffle plate top of box, the body of rod of pin thread is terminal for pushing the inclined-plane of passage, the outer fit fixed plate spare of the body of rod of little internal diameter between box top baffle plate and taper insertion end; The insertion end of this box bottom is a V-shaped conical surface, and cuts open on the side plate face and be provided with a horizontal breach.Make the box insertion end can guide the perforation that is pressed into plate, and have the characteristic of pushing of low insertion force.

The body of rod of this box has annular groove near the insertion end place, and groove and insertion end joining place are the block inclined-plane of a turnover shape.

The annular that has a sagged shape on the insertion end external diameter of this pin thread body of rod is nibbled groove.

The insertion end bottom peripheral edge of this pin thread body of rod is formed with the guide ramp by the mediad outer incline.

Groove external diameter on this box body of rod is inclined design from bottom to top.

The utility model is because the V-shaped conical surface in the insertion end of box bottom, and the side plate face is provided with horizontal breach, so it makes insertion end that preferable resiliently deformable be arranged, assembling easily, insertion force is low.

Reach structure for achieving the above object, technological means that the utility model adopted and effect thereof, drawing now illustrates in detail that with regard to preferred embodiment of the present utility model its structure is as follows with function, in order to understanding fully.

Fig. 1 is a stereo appearance figure of the present utility model

Fig. 2 is a three-dimensional exploded view of the present utility model

Cross-sectional schematic when Fig. 3 desires to be pressed into the box passage for the utility model pin thread body of rod

Fig. 4 analyses and observe the action schematic representation for the utility model pin thread body of rod when pushing the box passage

When pushing the convergent face of box passage for the guide ramp of the utility model pin thread body of rod, Fig. 5 analyses and observe the action schematic representation

Fig. 6 analyses and observe the action schematic representation for the utility model pin thread body of rod pushes fully behind the box passage

Fig. 7 is existing action schematic representation when being incorporated into plate

Fig. 8 is the existing sectional view that has pushed behind the plate

See also shown in Fig. 1,2,3, the schematic side view when desiring to be pressed into the box passage for stereo appearance figure of the present utility model, three-dimensional exploded view and the pin thread body of rod, can be by finding out among the figure that integral body comprises box 1 and pin thread 2, wherein:

This box 1 is a up-and-down rod shape body, its top is provided with a horizontal baffle plate 11, and a body of rod 12 is extended in baffle plate 11 bottom surfaces, and the body of rod 12 has annular groove 121 near below insertion end 13 places, and groove 121 is the block inclined-plane 132 of a turnover shape with insertion end 13 joining places, and insertion end 13 has the slightly V-shaped conical surface 131, and cut open on the conical surface 131 side plate faces and be provided with one and be horizontal breach 1311 approximately, and be provided with the passage 111 that is communicated to insertion end 13 bottoms tops towards the body of rod 12 in baffle plate 11 central authorities, its passage 111 to insertion end 13 positions are formed with convergent face 133, and the body of rod 12 is provided with a corresponding profile groove 14 with insertion end 13 two side faces.

The top of this pin thread 2 is provided with a horizontal baffle plate 21, and being concaved with one, baffle plate 21 bottom surfaces one side pulls short slot 211, its central authorities extend a body of rod 22 downwards, and the body of rod 22 ends have the insertion end 23 of guide ramp 232, nibble groove 231 and have recessed annular on the insertion end 23.

See also Fig. 3,4,5, shown in 6, overall package program of the present utility model and actual user mode are for earlier being pressed into the perforation 31 towards first plate 3 of the taper insertion end 13 of box 1, the perforation 31 of first plate 3 is positioned on the body of rod 12 external diameters of box 1, again the conical surface 131 of box 1 insertion end 13 is pushed along perforation 41 guidings of second plate 4, at this moment, the beveled top end width of two side insertion ends 13 is bigger than second plate, 4 perforation, 41 internal diameters, make insertion end 13 by profile groove 14 inwards passage 111 form resiliently deformable, and then push on annular groove 121 external diameters of the body of rod 12, again pin thread 2 bodies of rod 22 are penetrated in box 1 passage 111, again the portion that presses 21 of pin thread 2 is pushed downwards in the passage 111 of box 1, the guide ramp 232 of its pin thread 2 bottom insertion ends 23 is promptly pushed the convergent face 133 in box 1 passage 111, insertion end 13 2 sides of box 1 slightly are outwards strut shape, and allow the annular of pin thread 2 insertion ends 23 nibble groove 231 by embedding location, convergent face 133 terminal turning points, it is first years old, two

plates

3,4 lay respectively on the external diameter of box 1 body of rod 12 and groove 121, and block inclined-plane 132 is held in perforation 41 lower plate faces two sides of second plate 4, and perforation 31 upper surfaces of its first plate 3 are held in baffle plate 11 belows and fix.

Above-mentioned when desiring to take apart in conjunction with the box 1 behind first and

second plate

3,4 and pin thread 2, the short slot 211 of pulling that is pressed portion 21 by pin thread 2 tops is pulled upwardly, insertion end 13 centre gangwaies 111 of its box 1 below just are formed with a deformation space, the perforation 41 of its second plate 4 can be pushed downwards by 132 places, block inclined-plane, insertion end 13 2 sides of its box 1 are inside relatively resiliently deformable by setting up of profile groove 14, its second plate 4 just breaks away from the outside elasticity of box 1 body of rod 12 compels to hold, with first plate 3 directly by deviating from towards insertion end 13 places on box 1 body of rod 12.

Insertion end 13 conical surfaces 131 of above-mentioned box 1 are when pushing the perforation 41 of second plate 4, can setting up because of breach 1311, form lower insertion force, when the perforation 41 of second plate 4 is positioned groove 121 on box 1 body of rod 12, can be held in the passage 111 by pin thread 2 bodies of rod 22, and make insertion end 13 form inside resiliently deformable by setting up of profile groove 14, make first and

second plate

3,4 be difficult for producing and rock, to constitute stable stationary state.

After the perforation 31 of first plate 3 is sleeved on the body of rod 12 of box 1, its pin thread 2 also can be pressed in the passage 111 of box 1 in advance, perforation 41 covers in second plate 4 are fashionable, can design by the acute angle that the conical surface 131 of box 1 insertion end 13 is expanded gradually, it is fixing that the perforation 41 of second plate 4 is pushed in the groove 121 of the body of rod 12 easily, and stop second plate, 4 improper withdrawing from the block inclined-plane 132 than wide-angle.

Groove 121 external diameters of above-mentioned box 1 body of rod 12 are inclined design slightly from bottom to top, and make second plate, 4 perforation, 41 internal diameter tolerables that error be arranged, and also can make 4 perforation 41 of second plate be difficult for being withdrawed from by box 1 insertion end 13.

Claims

1, a kind of fastener, comprise box and pin thread, it is characterized in that: its box is a up-and-down rod shape body, its top is provided with a horizontal baffle plate, a body of rod is extended in the baffle plate bottom surface, and the body of rod is terminal for being the insertion end of taper, and is provided with the passage that is communicated to top, insertion end bottom towards the body of rod in baffle plate central authorities, its passage is formed with the convergent face in the insertion end position, and the body of rod is provided with a corresponding profile groove with the insertion end two side faces; Above-mentioned box is provided with a passage that can be pressed into for the body of rod of pin thread, the horizontal baffle plate in pin thread top is pressed together on the baffle plate top of box, the body of rod of pin thread is terminal for pushing the inclined-plane of passage, the outer fit fixed plate spare of the body of rod of little internal diameter between box top baffle plate and taper insertion end; The insertion end of this box bottom is a V-shaped conical surface, and cuts open on the side plate face and be provided with a horizontal breach.

2, fastener as claimed in claim 1 is characterized in that: the body of rod of this box has annular groove near the insertion end place, and groove and insertion end joining place are the block inclined-plane of a turnover shape.

3, fastener as claimed in claim 1 is characterized in that: the annular that has a sagged shape on the insertion end external diameter of this pin thread body of rod is nibbled groove.

4, fastener as claimed in claim 1 is characterized in that: the insertion end bottom peripheral edge of this pin thread body of rod is formed with the guide ramp by the mediad outer incline.

5, fastener as claimed in claim 2 is characterized in that: the groove external diameter on this box body of rod is inclined design from bottom to top.