CN205960849U - Motor - Google Patents

Abstract

The utility model discloses a motor, including stator module, rotor subassembly, front end housing and rear end cap, the middle bearing room that is equipped with respectively on front end housing and the rear end cap, the bearing is equipped with to bearing room liam, and wherein front end housing and rear end cap pass through the connection of bolt and nut mechanism, are equipped with the mounting hole that the bolt passed on front end housing and the rear end cap, wherein the bolt include the bolt head and bolt stem, bolt stem's front end is equipped with screw thread section and changeover portion, and period number is between the bolt head and screw thread section in the transition, its characterized in that: the protruding card strip in the outside of changeover portion, card strip and one of them mounting hole cooperation location. It is above -mentioned with a calorie strip complex mounting hole be the square hole. It is above -mentioned card strip has 2 and equipartition in both sides of changeover portion, and on two calories of strips were in the diagonal of square hole, spacing through the diagonal angle can make buckle that the bolt fastened more at the end cover, prevents rotation between bolt and the end cover.

Description

A kind of motor

Technical field：

The utility model is related to a kind of motor.

Background technology：

Existing motor, including stator module, rotor assembly, drive end bearing bracket and rear end cap, middle on drive end bearing bracket and rear end cap It is respectively equipped with bearing chamber, bearing, wherein drive end bearing bracket and rear end cap are installed in bearing chamber and are connected by bolt-nut mechanism, its spiral shell Bar is cylindrical to be smooth cylinder, cannot prevent from mutually rotating between bolt and electric motor end cap, if the fastening force of nut and bolt Not, can produce loosening between each part, during work, noise becomes big, and motor working life shortens, and can damage motor when serious.

Content of the invention：

The purpose of this utility model is to provide a kind of motor, in the outside projection card article of the changeover portion of bolt shank, card article Coordinate positioning with one of installing hole, can prevent from mutually rotating between bolt and end cap, fastening force is good, effective guarantee motor Normal work.

The purpose of this utility model is achieved by following technical proposals.

A kind of motor, including stator module, rotor assembly, drive end bearing bracket and rear end cap, middle point on drive end bearing bracket and rear end cap It is not provided with bearing chamber, bearing, wherein drive end bearing bracket and rear end cap are installed in bearing chamber and are connected by bolt-nut mechanism, drive end bearing bracket It is provided with the installing hole that bolt passes through with rear end cap, wherein said bolt includes bolt head and bolt shank, described bolt The front end of bar portion is provided with thread segment and changeover portion, changeover portion be located between bolt head and thread segment it is characterised in that：Described mistake Cross the outside projection card article of section, card article and one of installing hole cooperation positioning.

Installing hole with card article cooperation described above is square hole.

Described card article described above has 2 and is distributed in the both sides of changeover portion, and two card articles are on the diagonal of square hole.

Described card article described above is to be stamped and formed out in the outside of changeover portion.

Described card article is a cylinder, and two ends are provided with chamfering.

The utility model compared with prior art, has the effect that：

1) drive end bearing bracket and rear end cap are provided with the installing hole that bolt passes through, and wherein said bolt includes bolt head and spiral shell Bolt stem, the front end of described bolt shank is provided with thread segment and changeover portion, and changeover portion is located between bolt head and thread segment, institute State the outside projection card article of changeover portion, card article and one of installing hole cooperation position the outside projection card article of described changeover portion, Can prevent from mutually rotating between bolt and end cap by card article, effective guarantee motor normal work, fastening force is good, effective guarantee Motor normal work.

2) installing hole of card article cooperation described above is square hole, and described card article described above has 2 and was distributed in Cross the both sides of section, two card articles are on the diagonal of square hole, by diagonal spacing, being buckled in of bolt more fastening can be made End cap, prevents from mutually rotating between bolt and end cap.

Brief description：

Fig. 1 is the schematic perspective view of motor in the utility model；

Fig. 2 is that the three-dimensional of motor in the utility model illustrates exploded view；

Fig. 3 is the front view of motor of the present utility model；

Fig. 4 is the sectional view of the A-A of Fig. 3；

Fig. 5 is the decomposing schematic representation of bolt and end cap in the utility model；

Fig. 6 is the front view of bolt and end cap in the utility model；

Fig. 7 is the partial enlarged drawing of B in Fig. 6；

Fig. 8 is the schematic perspective view of bolt in the utility model；

Fig. 9 is the partial schematic diagram of bolt in the utility model；

Figure 10 is the sectional view of C-C in Fig. 9；

Figure 11 is the sectional view of D-D in Fig. 9.

Specific embodiment：

Below by specific embodiment and combine accompanying drawing the utility model is described in further detail.

As shown in Figure 1 to 11, a kind of motor, including stator module 1, rotor assembly 2, drive end bearing bracket 3 and rear end cap 4, front It is respectively equipped with bearing chamber 5 in the middle of on end cap 3 and rear end cap 4, bearing 51, wherein drive end bearing bracket 3 and rear end cap are installed in bearing chamber 5 4 pass through bolt 6 nut 61 mechanism connects, and drive end bearing bracket 3 and rear end cap 4 are provided with the installing hole 7 that bolt 6 passes through, wherein said Bolt 6 includes bolt head 62 and bolt shank 63, and the front end of described bolt shank 63 is provided with thread segment 631 and changeover portion 632, Changeover portion 632 is located between bolt head 62 and thread segment 631, the outside of described changeover portion 632 projection card article 64, card article 64 with One of installing hole 7 cooperation positioning.

The described installing hole 7 with card article 64 cooperation is square hole.

Described card article 64 has 2 and is distributed in the both sides of changeover portion 632, and two card articles 64 are on the diagonal of square hole.

Described card article 64 is to be stamped and formed out in the outside of changeover portion 632.

Described card article 64 is a cylinder, and two ends are provided with chamfering.

Inventive principle：Drive end bearing bracket 3 and rear end cap 4 pass through bolt 6 nut 61 mechanism and connect, and drive end bearing bracket 3 and rear end cap 4 set There is the installing hole 7 that bolt 6 passes through, wherein said bolt 6 includes bolt head 62 and bolt shank 63, described bolt shank 63 Front end be provided with thread segment 631 and changeover portion 632, changeover portion 632 be located between bolt head 62 and thread segment 631, described mistake Cross the outside projection card article 64 of section 632, can prevent from mutually rotating between bolt 6 and end cap by card article 64, effective guarantee electricity Machine normal work, fastening force is good, effective guarantee motor normal work.Installing hole 7 with card article 64 cooperation is square hole, and card article 64 has Article 2, and be distributed in the both sides of changeover portion 632, two card articles 64 are on the diagonal of square hole, by diagonal spacing, can make spiral shell Bolt 6 more fastening be buckled in end cap, prevent from mutually rotating between bolt 6 and end cap.

Above example is the better embodiment of the present invention, but embodiments of the present invention not limited to this, other are any Without departing from Spirit Essence and the change made under principle, modification, the replacement of the present invention, combine, simplify, being equivalent displacement side Formula, is included within protection scope of the present invention.

Claims (5)

1. a kind of motor, including stator module (1), rotor assembly (2), drive end bearing bracket (3) and rear end cap (4), drive end bearing bracket (3) and after It is respectively equipped with bearing chamber (5), bearing chamber (5) is inner to be provided with bearing (51), wherein drive end bearing bracket (3) and rear end in the middle of end cap (4) is upper Lid (4) passes through bolt (6) nut (61) mechanism and connects, and drive end bearing bracket (3) and rear end cap (4) are provided with the installation that bolt (6) passes through Hole (7), wherein said bolt (6) includes bolt head (62) and bolt shank (63), the front end of described bolt shank (63) It is provided with thread segment (631) and changeover portion (632), changeover portion (632) is located between bolt head (62) and thread segment (631), its It is characterised by：Outside projection card article (64) of described changeover portion (632), card article (64) is fixed with one of installing hole (7) cooperation Position.

2. a kind of motor according to claim 1 it is characterised in that：The described installing hole (7) that coordinates with card article (64) is Square hole.

3. a kind of motor according to claim 2 it is characterised in that：Described card article (64) has 2 and is distributed in changeover portion (632) both sides, two card articles (64) are on the diagonal of square hole.

4. a kind of motor according to claim 3 it is characterised in that：Described card article (64) is outer in changeover portion (632) Side is stamped and formed out.

5. it is characterised in that described card article (64) is a cylinder, two ends are provided with down a kind of motor according to claim 4 Angle.