CN2514161Y

CN2514161Y - Improved screw band with spacer

Info

Publication number: CN2514161Y
Application number: CN 01271151
Authority: CN
Inventors: 黄世忠
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-11-22
Filing date: 2001-11-22
Publication date: 2002-10-02
Anticipated expiration: 2011-11-22

Abstract

An improved screw band with washers includes a band body, screws and washers. The shape of the band body is sheet shape, the band body is provided with a plurality of bearing holes which screws can penetrate, a plurality of spokewise cuts penetrating the band body are arranged outside the bearing holes, and a plurality of supporting sheets are arranged around the bearing holes; each screw includes a head, the outer diameter of which is less than the extending range of the length of each cut; each washer is nested on the screw bolt of the screw from the bottom of the screw, and the outer diameter of the washer is bigger than the head of the screw while less than the extending range of the length of the cut. The washer is first nested on the screw bolt of the screw, the screw then penetrates the bearing hole of the band body, and the head of the screw holds the washer on the supporting sheet of the screw. The utility model is applied to nesting a large washer, when the washer is nested, the tight combination of the screw and the band body is not affected, the washer does not fall off, the effect of vertical combination of the screw and the band body is maintained, and therefore the utility model has the advantages of convenient and smooth fabrication and use.

Description

The Screw band of improved tool pad

One, technical field

The utility model relates to a kind of Screw band, relates in particular to a kind of Screw band of improved tool pad

Two, background technique

Shown in Fig. 1,3,5, be the Screw band of present three kinds of tool pads that have been disclosed.As shown in Figure 1, be the Screw band of a tool pad that is disclosed the earliest, its structure mainly is the bearing seat 11 that is provided with a plurality of circle shapes by the side of a strip belt body 10, wears bearing for screw 12, and then constitutes at the sheathed pad 13 of the nail tail of screw 12.With regard to its structure, because it is earlier screw 12 to be worn bearing on bearing seat 11, the nail tail that then again pad 13 is sheathed on screw 12 constitutes, therefore when sheathed pad 13, be easy to occur destroying the situation of bearing seat 11, thereby make screw 12 can't closely wear bearing on bearing seat 11, and, therefore pad 13 is come off easily because pad 13 after being sheathed on the nail tail of screw 12, does not have the design of any backstop.In order to solve above-mentioned Fig. 1, the existing shortcoming of Screw band of the pad of tool shown in 2, the dealer designs as Fig. 3, the Screw band patent of No. 452025 tool pad of the bulletin shown in 4, it mainly is the bearing seat 21 that is provided with some circle shapes in the side of a strip belt body 20, wear bearing for screw 22, and screw 22 was wearing bearing before bearing seat 21, still earlier pad 23 is sheathed on the screw 22, though this patent is that pad 23 is sheathed on the screw 22 in advance, and then screw 22 worn bearing in bearing seat 21, thereby can solve Fig. 1, the existing shortcoming of Screw band of the pad of tool shown in 2.Be the head 221 of taking screw 22 into account, can break away from bearing seat 21 with breaking band smoothly in use, therefore be limited can not be greater than head 221 external diameters of screw 22 for the external diameter of its pad 23, so that scope and effect that the Screw band of this tool pad can use are restricted.In addition, also just like the Screw band patent of announcing No. 452026 tool pad shown in Fig. 5,6, its structure mainly is to be provided with some nail slotted eyes 31 on a sheet belt body 30, wear bearing for screw 32, nail tail by screw 32 is arranged with a pad 33 then, and makes the head 321 of screw 32 and the upper and lower end face that pad 33 is held on sheet belt body 30.But with regard to its structure, though hold as the alleged screw 32 that makes of its specification and have vertical effect with combining of sheet belt body 30, but because it is earlier screw 32 to be worn bearing in following closely on the slotted eye 31 with the Screw band of this kind tool pad shown in above-mentioned Fig. 1,2 equally, then again the nail tail of pad 33 by screw 32 is inserted in, therefore the shortcoming that when sheathed pad 33, also has destructible nail slotted eye 31 equally, and can't make screw 32 closely wear bearing in nail slotted eye 31, and pad 33 also comes off easily.

Three, summary of the invention

The purpose of this utility model, promptly be to improve the above-mentioned existing shortcoming of Screw band of commonly using, and provide a kind of Screw band of improved tool pad, it is applicable to and is nested with big pad, and when being nested with pad, can not destroy combining closely of screw and belt body, and the situation that pad can not occur coming off can make combining of screw and belt body keep vertical effect again, so make its manufacturing, use more convenient, smooth and easy.

The purpose of this utility model is realized by following technological scheme.

A kind of Screw band of improved tool pad comprises belt body, screw and pad; It is characterized in that described belt body is the sheet belt body, belt body is provided with a plurality of bearing holes that place for screws, and the outside in this bearing hole is provided with radially a plurality of and runs through the profile groove of belt body, and the periphery in bearing hole is provided with a plurality of support sheets; Described screw comprises a head, and the external diameter of head is less than length range that profile groove extended; Described pad is set on the screw rod of screw by the bottom of screw, and the external diameter of this pad is greater than the head of screw, and less than length range that profile groove extended; This pad is set in earlier on the screw rod of screw, and then screw is placed through the bearing hole of belt body, by the head of screw pad is held and fits in above the support sheet of belt body.

The utility model is applicable to and is nested with big pad, and when being nested with pad, can not destroy combining closely of screw and belt body, and the situation that pad can not occur coming off can make combining of screw and belt body keep vertical effect again, so make its manufacturing, use more convenient, smooth and easy.

Four, description of drawings

Fig. 1 is first kind of Screw band longitudinal sectional view of commonly using the tool pad.

Fig. 2 is the sectional view of I-I hatching line shown in Figure 1.

Fig. 3 is second kind of Screw band longitudinal sectional view of commonly using the tool pad.

Fig. 4 is the sectional view of II-II hatching line shown in Figure 3.

Fig. 5 is the third Screw band longitudinal sectional view of commonly using the tool pad.

Fig. 6 is the sectional view of III-III hatching line shown in Figure 5.

Fig. 7 is an exploded perspective schematic representation of the present utility model.

Fig. 8 is a plan view of the present utility model.

Fig. 9 is the sectional view of IV-IV hatching line shown in Figure 8.

Five, embodiment

As shown in Figure 7, the utility model includes a belt body 40, screw 50 and pad 60; Wherein, belt body 40 (please consulting simultaneously shown in Fig. 8,9), it is a sheet belt body by the plastic cement material moulding, belt body 40 is provided with a plurality of bearing holes 41 that supply screw 50 to place, and be provided with radially a plurality of in the outside in this bearing hole 41 and run through the profile groove 42 of belt body 40, the periphery in bearing hole 41 is provided with a plurality of support sheets 43.

Screw 50 (please consulting simultaneously shown in Fig. 8,9), it comprises a head 51, this head 51 does not limit any form, but the length range that the external diameter of head 51 is extended less than profile groove 42.

Pad 60 (please consulting simultaneously shown in Fig. 8,9), it is that bottom by screw 50 is set on the screw rod of screw 50, the external diameter of this pad 60 is greater than the head 51 of screw 50, but the length range that is extended less than profile groove 42.

By said structure, this pad 60 is set in earlier on the screw rod of screw 50, and then screw 50 is placed through the bearing hole 41 of belt body 40, simultaneously by the head 51 of screw 50 with pad 60 clampings fit in help sheet 43 above.Because pad 60 of the present utility model is to be set in earlier on the screw rod of screw 50, and then screw 50 is placed through the bearing hole 41 of belt body 40, therefore it can't damage bearing hole 41 in assembling process, thereby can not destroy combining closely of screw 50 and belt body 40, and pad 60 is by head 51 clampings of helping sheet 43 with screw 50, so pad 60 can not come off.Again, because the external diameter of pad 60 is greater than the head 51 of screw 50, and pad 60 by head 51 clampings of screw 50 fit in help sheet 43 above, what therefore can make screw 50 and belt body 40 combine the splendid vertical effect of maintenance, and then makes its manufacturing, use more convenient, smooth and easy.

From the above and embodiment shown in the drawings as can be known, technological means that the utility model used and structure, really can reach its creation purpose, and provide a Screw band that has more the tool pad of practicability and progressive to construct, and it is really unprecedented, have novelty, meet novel patent requirement, so file an application in accordance with the law.

The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did.