阅读说明：本技术 一种电动车防盗七角法兰螺母 (Electric motor car seven angle flange nuts of preventing burglary ) 是由 叶蓉 陶耀平 王厚羽 于 2020-07-21 设计创作，主要内容包括：本发明公开了一种电动车防盗七角法兰螺母,包括螺母本体、法兰盘、上锁紧件,所述的螺母本体下端设有法兰盘,所述的法兰盘与螺母本体同轴设置,所述的螺母本体和法兰盘内部中心竖直设有螺纹通孔,所述的螺纹通孔贯穿螺母本体、法兰盘上下两端设置,所述的螺母本体上端设有上锁紧件,本发明通过将螺母设置为七角结构,与上锁紧件配合,能够提高螺母防盗、防松性能,提高电动车安全性。(The invention discloses an anti-theft heptagonal flange nut for an electric vehicle, which comprises a nut body, a flange plate and an upper locking piece, wherein the flange plate is arranged at the lower end of the nut body, the flange plate and the nut body are coaxially arranged, a threaded through hole is vertically arranged in the center of the nut body and the flange plate, the threaded through hole penetrates through the nut body and the upper end and the lower end of the flange plate, and the upper locking piece is arranged at the upper end of the nut body.)

1. The utility model provides an electric motor car seven angle flange nuts of theftproof which characterized in that: including nut body (1), ring flange (2), go up retaining member (3), nut body (1) lower extreme be equipped with ring flange (2), ring flange (2) and the coaxial setting of nut body (1), nut body (1) and ring flange (2) inside center vertically be equipped with screw through-hole (11), screw through-hole (11) run through nut body (1), ring flange (2) upper and lower both ends setting, nut body (1) upper end be equipped with last retaining member (3).

2. The electric vehicle anti-theft heptagonal flange nut of claim 1, characterized in that: nut body (1) upper end be equipped with can with last round pipe portion (12) on the nut of last retainer part (3) complex, last retainer part (3) in be equipped with can with the nut go up round pipe portion (12) complex go up retainer part through-hole (31), last retainer part (3) through last retainer part through-hole (31) and the nut go up the cooperation cover of round pipe portion (12) locate on the nut round pipe portion (12) upper end.

3. The electric vehicle anti-theft heptagonal flange nut of claim 2, wherein: the nut on round tube portion (12) bottom and nut body (1) between be equipped with inside sunken annular groove (13), last stopper through-hole (31) lower extreme be equipped with can with annular groove (13) complex annular spacing arch (32).

4. The electric vehicle anti-theft heptagonal flange nut of claim 2, wherein: the nut on round tube portion (12) top be equipped with a plurality of cohesion pieces (14), cohesion piece (14) one end and nut on round tube portion (12) be connected, cohesion piece (14) lower extreme be equipped with open slot (15), cohesion piece (14) on keep away from the one side of screw through hole (11) and be equipped with cohesion piece inclined plane (141), cohesion piece inclined plane (141) by with nut on round tube portion (12) link to the other end slope to screw through hole (11) side gradually.

5. The electric vehicle anti-theft heptagonal flange nut of claim 4, wherein: the top be equipped with in last retaining member through-hole (31) can with hold in the tight piece (14) complex wedge (33), wedge (33) on be equipped with and hold in the tight piece inclined plane (141) complex wedge inclined plane (331).

6. The electric vehicle anti-theft heptagonal flange nut of claim 4, wherein: the nut on round tube portion (12) on locate two at least and hold tightly piece (14), hold tightly piece (14) all around the nut on round tube portion (12) center equidistance setting.

7. The electric vehicle anti-theft heptagonal flange nut of claim 2, wherein: the round tube portion (12) bottom on the nut evenly be equipped with a plurality of inside sunken ratchet (16), ratchet (16) all set up around round tube portion (12) center equidistance on the nut, last retainer (3) on be equipped with a plurality of can with ratchet (16) complex elasticity latch (34).

8. The electric vehicle anti-theft heptagonal flange nut of claim 7, wherein: elasticity latch (34) include shell fragment (341), latch (342), shell fragment (341) locate last latch (3) lateral wall, shell fragment (341) and last latch (3) integrated into one piece, shell fragment (341) go up and be close to one side at last latch (3) center and be equipped with latch (342) that can cooperate with ratchet (16), latch (342) can mesh with ratchet (16).

9. The electric vehicle anti-theft heptagonal flange nut of claim 7, wherein: the upper locking piece (3) is provided with at least two elastic latch teeth (34).

10. The electric vehicle anti-theft heptagonal flange nut of claim 1, characterized in that: the outer walls of the cross sections of the nut body (1) and the upper locking piece (3) are regular heptagons.

[ technical field ] A method for producing a semiconductor device

The invention relates to the technical field of nuts, in particular to the technical field of flange nuts of electric vehicles.

[ background of the invention ]

The nut is a nut and is screwed together with a bolt or a screw rod to play a role in fastening, one element which is necessary for all production and manufacturing machines is divided into carbon steel, stainless steel, nonferrous metal and other types according to different materials, the existing electric vehicle parts on the market are often stolen, the reason is that the adopted hexagonal nuts are standard, the nut can be detached by using a practical and conventional tool, and the antitheft effect cannot be played.

[ summary of the invention ]

The invention aims to solve the problems in the prior art, and provides an anti-theft heptagonal flange nut for an electric vehicle, which can improve the anti-theft and anti-loosening performance of the nut and improve the safety of the electric vehicle.

In order to achieve the purpose, the invention provides an anti-theft heptagonal flange nut for an electric vehicle, which comprises a nut body, a flange plate and an upper locking piece, wherein the flange plate is arranged at the lower end of the nut body, the flange plate and the nut body are coaxially arranged, threaded through holes are vertically arranged in the centers of the nut body and the flange plate, the threaded through holes penetrate through the upper end and the lower end of the nut body and the flange plate, and the upper locking piece is arranged at the upper end of the nut body.

Preferably, nut body upper end be equipped with can with last retainer part complex nut on the pipe portion, last retainer part in be equipped with can with the nut on the pipe portion complex last retainer part through-hole, last retainer part locate nut on the pipe portion upper end through the cooperation cover of last retainer part through-hole and nut on the pipe portion.

Preferably, an inwardly sunken annular groove is formed between the bottom of the upper round pipe part of the nut and the nut body, and an annular limiting bulge 32 capable of being matched with the annular groove is arranged at the lower end of the through hole of the upper locking part.

Preferably, the nut on round tube portion top be equipped with a plurality of sheets of holding tightly, hold sheet one end and nut on round tube portion and be connected, hold the sheet lower extreme and be equipped with the open slot, hold the one side of keeping away from the screw through-hole on the sheet and be equipped with and hold sheet inclined plane, hold sheet inclined plane by the nut on round tube portion link to the other end slope to screw through-hole side gradually.

Preferably, the top in the upper locking piece through-hole be equipped with can with hold the piece complex wedge, the wedge on be equipped with can with hold piece inclined plane complex wedge inclined plane.

Preferably, the top in the upper locking piece through-hole be equipped with can with hold the piece complex wedge, the wedge on be equipped with can with hold piece inclined plane complex wedge inclined plane.

Preferably, a plurality of inward-recessed ratchets are uniformly arranged at the bottom of the upper round pipe part of the nut, the ratchets are arranged around the center of the upper round pipe part of the nut at equal intervals, and a plurality of elastic clamping teeth which can be matched with the ratchets are arranged on the upper locking piece.

Preferably, the elastic latch comprises an elastic sheet and a latch tooth, the elastic sheet is arranged on the side wall of the upper locking piece, the elastic sheet and the upper locking piece are integrally formed, the latch tooth matched with the ratchet is arranged on one side, close to the center of the upper locking piece, of the elastic sheet, and the latch tooth can be meshed with the ratchet.

Preferably, the upper locking piece is provided with at least two elastic clamping teeth.

Preferably, the outer walls of the cross sections of the nut body and the upper clamping piece are regular heptagon.

The anti-theft heptagonal flange nut for the electric vehicle has the beneficial effects that: according to the invention, the nut is arranged in the heptagonal structure and is matched with the upper locking piece, so that the anti-theft and anti-loosening performance of the nut can be improved, and the safety of the electric vehicle is improved.

The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.

[ description of the drawings ]

FIG. 1 is a front view of a schematic structural diagram of an anti-theft heptagonal flange nut of an electric vehicle according to the present invention;

FIG. 2 is a front sectional view of an anti-theft heptagonal flange nut for an electric vehicle according to the present invention;

FIG. 3 is a sectional view of portion A-A of FIG. 2;

FIG. 4 is a schematic structural plan view of a nut body of the anti-theft heptagonal flange nut for the electric vehicle according to the present invention;

FIG. 5 is a sectional view of portion B-B of FIG. 4;

FIG. 6 is a schematic top view of an upper retaining member of an anti-theft heptagonal flange nut for an electric vehicle according to the present invention;

FIG. 7 is a schematic structural diagram of an anti-theft heptagonal flange nut of an electric vehicle in operation.

In the figure: the nut comprises a nut body 1, a flange plate 2, an upper locking piece 3, a thread through hole 11, a nut upper round tube 12, an annular groove 13, a clasping piece 14, an open slot 15, a ratchet 16, a clasping piece inclined plane 141, an upper locking piece through hole 31, an annular limiting protrusion 32, a wedge-shaped block 33, an elastic latch 34, an elastic sheet 341 and a latch 342.

[ detailed description ] embodiments

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

Referring to fig. 1, 2, 3, 4, 5, 6 and 7, the invention relates to an electric vehicle anti-theft heptagonal flange nut, which comprises a nut body 1, a flange 2 and an upper locking member 3, wherein the flange 2 is arranged at the lower end of the nut body 1, the flange 2 and the nut body 1 are coaxially arranged, a threaded through hole 11 is vertically arranged at the inner center of the nut body 1 and the flange 2, the threaded through hole 11 penetrates through the upper and lower ends of the nut body 1 and the flange 2, the upper locking member 3 is arranged at the upper end of the nut body 1, an upper nut round pipe part 12 capable of being matched with the upper locking member 3 is arranged at the upper end of the nut body 1, an upper locking member through hole 31 capable of being matched with the upper nut round pipe part 12 is arranged in the upper locking member 3, the upper locking member 3 is sleeved at the upper end of the upper nut round pipe part 12 through the matching of the upper locking member through hole 31 and the upper locking member round, the nut on round tube 12 bottom and the nut body 1 between be equipped with inside sunken annular groove 13, last locking piece through-hole 31 lower extreme be equipped with can with the spacing arch 32 of annular groove 13 complex annular, nut on round tube 12 top be equipped with a plurality of cohesion pieces 14, cohesion piece 14 one end and nut on round tube 12 be connected, cohesion piece 14 lower extreme be equipped with open slot 15, cohesion piece 14 on keep away from the one side of screw through-hole 11 and be equipped with cohesion piece inclined plane 141, cohesion piece inclined plane 141 by with nut on round tube 12 link to the other end slope to screw through-hole 11 side gradually, last locking piece through-hole 31 in the top be equipped with can with cohesion piece 14 complex wedge 33, wedge 33 on be equipped with can with cohesion piece inclined plane 141 complex wedge inclined plane 331, nut on round tube 12 on locate two cohesion pieces 14 at least, the locking piece 14 all set up around the central equidistance of pipe portion 12 on the nut, the nut on the bottom of pipe portion 12 evenly be equipped with a plurality of inside sunken ratchets 16, ratchet 16 all set up around the central equidistance of pipe portion 12 on the nut, last latch 3 on be equipped with a plurality of can with 16 complex elasticity latch 34 of ratchet, elasticity latch 34 include shell fragment 341, latch 342, shell fragment 341 locate last 3 lateral walls of latch, shell fragment 341 and last 3 integrated into one piece of latch, shell fragment 341 on be close to one side at last 3 centers of latch be equipped with can with 16 complex latch 342 of ratchet, latch 342 can with 16 meshing of ratchet, last latch 3 on be equipped with two elasticity latch 34 at least, nut body 1, last 3 cross section outer walls of latch be regular heptagon.

The working process of the invention is as follows:

according to the anti-theft heptagonal flange nut for the electric vehicle, in the working process, the nut body 1 is screwed by using a special heptagonal nut screwing tool, after the nut body 1 is screwed, the upper locking piece 3 sleeved on the upper round pipe part 12 of the nut is screwed, the wedge block 33 in the upper locking piece 3 is matched with the clamping piece 14, the clamping piece 14 is pushed to the side of the screw rod, the clamping piece 14 clamps the screw rod, and in the rotating process of the upper locking piece 3, the elastic clamping teeth 34 are matched with the ratchet 16, so that the upper locking piece 3 cannot be reversed, and can be kept fastened for a long time.

The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.