CN201991909U

CN201991909U - Nut

Info

Publication number: CN201991909U
Application number: CN2011201081652U
Authority: CN
Inventors: 张鉴洪
Original assignee: NINGBO LIONBALL VENTILATOR CO Ltd
Current assignee: NINGBO LIONBALL VENTILATOR CO Ltd
Priority date: 2011-04-14
Filing date: 2011-04-14
Publication date: 2011-09-28
Anticipated expiration: 2021-04-14

Abstract

A nut belongs to a fastener and is generally matched with a bolt or a screw. The nut comprises a substrate piece, wherein clamping pieces for clamping spanners are respectively arranged on two symmetrical sides of the substrate piece; a long through hole is formed in the middle of the substrate piece; upwards-tilted elastic lock pieces are respectively arranged at two ends of the long through hole; arc gaps matched with threads on the bolt or the screw are arranged at the upwards-tilting ends of the elastic locking pieces; two arc gaps form a penetrating hole through which the bolt or the screw penetrates; the diameter of the penetration hole is slightly greater than the minor diameter of the thread on the bolt or the screw; the thickness of each elastic locking piece is slightly smaller than the screw pitch of the thread on the bolt or the screw, which is matched with the elastic locking piece; and the substrate piece, the clamping pieces and the elastic locking pieces are integrated. According to the nut, the requirement that the connected parts are fastened and locked can be achieved without adding other fasteners, so that the consumption of materials is effectively saved.

Description

Nut

Technical field:

The utility model relates to a kind of fastening piece, specifically is a kind of nut.

Background technique:

Nut is one of fastening piece commonly used in the mechanical field, it usually and bolt or screw rod be used, be used for other component are fastenedly connected.Plain nut in use is easy to get loose voluntarily because of the vibration of component, in other words, single nut can't satisfy being connected the fastening locking requirement of component, for this reason, in actual use, people adopt following dual mode to avoid nut to get loose because of vibration usually: 1, come to carry out fastening locking by two nuts to being connected component, when these two nuts are installed, earlier first nut is screwed on bolt or the screw rod, after waiting to be screwed to the position, be screwed into second nut again, utilize second nut to come first nut is carried on the back tightly, thereby reach the purpose of fastening locking; 2, before nut is screwed into bolt or screw rod, on bolt or screw rod, be inserted in plain cushion and spring pad earlier, be screwed into nut then and lock.Though above-mentioned dual mode all has fastening preferably locking effect, we are not difficult to find out that also the requirement that reaches above-mentioned fastening locking all is to realize on the basis that increases other fastening piece in addition, and can increase the consumption of material so undoubtedly greatly.

The model utility content:

The technical problems to be solved in the utility model is to provide a kind of need not to increase the requirement that other fastening piece just can reach fastening locking in addition, thereby effectively save the nut of materials consumption.

Technical solution of the present utility model is, a kind of nut with following structure is provided, comprise base sheet, be equipped with the card that blocks for spanner on the dual-side of base sheet symmetry, the base sheet middle part is provided with microscler through hole, microscler through hole two ends are equipped with the elastic collet that is upturned, elastic collet tilt upward origin or beginning be provided with bolt or screw rod on the arc notch that matches of screw thread, two arc notch surround one and penetrate the hole for what bolt or screw rod penetrated, penetrate the path of slightly larger in diameter screw thread on bolt or screw rod in hole, the thickness of elastic collet is slightly less than the pitch of screw thread on bolt with matching or the screw rod, base sheet, card and elastic collet are as a whole.

After adopting above structure, compared with prior art, the utility model nut has the following advantages: the purpose that needs other other locking element of increase to reach fastening locking with prior art is different, the utility model nut is respectively equipped with the elastic collet that is upturned at the microscler through hole two ends at base sheet middle part, and elastic collet tilt upward origin or beginning be provided with bolt or screw rod on the arc notch that matches of screw thread, therefore, be screwed at the utility model nut in the process of bolt or screw rod, after in case base sheet is close on the surface that is connected component, base sheet will stop to move along bolt or screw axial, axial deformation then can take place in the elastic collet of this moment under the effect of screwing force, the diameter that penetrates the hole is because of the interior receipts of the axial deformation of elastic collet, at this moment, two elastic collets will tightly be clamped on bolt or the screw flight, be rotated further spanner, it is more and more tighter that two elastic collets will block, till stubborn not wrench, because can be under the effect of two elastic collets behind the utility model nut screwing clamping, all the time have with bolt or screw flight and prevent the elasticity clamping force that gets loose, therefore, the utility model need not to increase in addition the requirement that just can reach fastening locking on the basis of other fastening piece, realize anti-loose purpose, and then effectively reduced the consumption of material.

Description of drawings:

Fig. 1 is the stereochemical structure profile schematic representation of the utility model nut;

Fig. 2 is that the utility model nut and bolt are used the sectional structure schematic representation when coming fastening locking component.

Embodiment:

Below in conjunction with the drawings and specific embodiments the utility model nut is described in further detail:

As depicted in figs. 1 and 2, in this embodiment, the utility model nut comprises base sheet 1, be equipped with the card 5 that blocks for spanner on the dual-side of base sheet 1 symmetry, card 5 is vertical with base sheet 1, base sheet 1 middle part is provided with microscler through hole 6, microscler through hole 6 two ends are equipped with the elastic collet 2 that is upturned, elastic collet 2 tilt upward origin or beginning be provided with bolt 7 on the arc notch 4 that matches of screw thread, two arc notch 4 surround one and penetrate hole 3 for what bolt 7 penetrated, penetrate the path of slightly larger in diameter screw thread on bolt 7 in hole 3, the thickness of elastic collet 2 is slightly less than the pitch of screw thread on the bolt 7 with matching, base sheet 1, card 5 and elastic collet 2 are as a whole.

The using method of the utility model nut is: as shown in Figure 2, when bolt 7 from be connected penetrate in the through hole on the component 8 after, can be screwed in the utility model nut on the screw thread of bolt 7 upper ends with hand, after being close on the surface that is connected component 8 when base sheet 1, base sheet 1 will stop to move axially along bolt 7, can use this moment conventional spanner (not shown) to be stuck on the card 5 of base sheet 1 symmetrical both sides rotates, axial deformation takes place at the effect lower edge of spanner screwing force bolt 7 in elastic collet 2 beginnings, the diameter that penetrates hole 3 can be because of the interior receipts of the axial deformation of elastic collet 2, at this moment, two elastic collets 2 will tightly be clamped on the screw thread of bolt 7, be rotated further spanner, two elastic collets 2 are understood the more and more tighter of card, till stubborn not wrench, in case will be under the effect of two elastic collets 2 behind the utility model nut screwing clamping, all the time the screw thread with bolt 7 has an elasticity clamping force that prevents that the utility model nut from getting loose, like this, the utility model is realized anti-loose purpose need not to increase in addition the requirement that just can reach fastening locking on the basis of other fastening piece.

Above-described embodiment is described preferred implementation of the present utility model; be not that scope of the present utility model is limited; under the prerequisite that does not break away from the utility model design spirit; various distortion and improvement that those of ordinary skills make the technical solution of the utility model all should fall in the definite protection domain of the utility model claims.

Claims

1. nut, it is characterized in that: comprise base sheet (1), be equipped with the card (5) that blocks for spanner on the dual-side of described base sheet (1) symmetry, described base sheet (1) middle part is provided with microscler through hole (6), described microscler through hole (6) two ends are equipped with the elastic collet (2) that is upturned, described elastic collet (2) tilt upward origin or beginning be provided with bolt or screw rod on the arc notch (4) that matches of screw thread, two arc notch (4) surround one and penetrate hole (3) for what bolt or screw rod penetrated, the described path that penetrates slightly larger in diameter screw thread on bolt or screw rod in hole (3), the thickness of described elastic collet (2) is slightly less than the pitch of screw thread on bolt with matching or the screw rod, described base sheet (1), card (5) and elastic collet (2) are as a whole.