CN213521449U

CN213521449U - Motor fixing structure and fan matched with same

Info

Publication number: CN213521449U
Application number: CN202021937443.0U
Authority: CN
Inventors: 林科波
Original assignee: Ningbo Rotor Electrical Appliances Co Ltd
Current assignee: Ningbo Rotor Electrical Appliances Co Ltd
Priority date: 2020-09-08
Filing date: 2020-09-08
Publication date: 2021-06-22
Anticipated expiration: 2030-09-08

Abstract

The utility model discloses a motor fixing structure and a fan matched with the motor fixing structure, the motor fixing structure comprises a base provided with an installation through hole and a motor bracket clamped at the installation through hole, the motor bracket comprises a lower cover and an upper cover which are mutually buckled and matched, an installation cavity matched with a motor is formed between the lower cover and the upper cover, and the lower cover is provided with a first positioning hole communicated with the installation cavity; the advantage is that the reliability is better.

Description

Motor fixing structure and fan matched with same

Technical Field

The utility model belongs to the technical field of the motor is fixed, especially, relate to a motor fixed knot constructs and this motor fixed knot of collocation constructs's fan.

Background

In order to circulate internal air, a fan structure is arranged in an air duct of a display cabinet on the market, and the fan structure can improve the air flowing speed in the air duct so as to accelerate the air circulation efficiency.

Traditional fan structure includes motor and flabellum, and on the motor passed through the fixed plate of fix with screw in the wind channel, the flabellum setting was in the pivot of motor, if the screw did not install in place, the motor probably takes place vibration, abnormal sound scheduling problem in the use, and the reliability is relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a better motor fixed knot of reliability constructs and this motor fixed knot of collocation constructs's fan is provided.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a motor fixed knot constructs, is in including the base and the joint of seting up the installation through-hole department the motor support of installation through-hole department, the motor support includes mutual buckle complex lower cover and upper cover, the lower cover with form the installation cavity with the motor adaptation between the upper cover, cover down set up with the first locating hole of installation cavity intercommunication.

Preferably, the lower cover comprises a first outer ring, a first connecting block and a plurality of first connecting arms, a first flange abutting against the lower end face of the base is arranged on the outer side wall of the first outer ring, the first connecting block is provided with a first positioning hole, one end of each first connecting arm is connected with the first outer ring, and the other end of each first connecting arm is connected with the first connecting block; the upper cover comprises a second outer ring, a second connecting block and a plurality of second connecting arms, the second outer ring is sleeved on the outer side of the first outer ring, a second flange abutting against the upper end face of the base is arranged on the outer side wall of the second outer ring, a second positioning hole is formed in the second connecting block, one end of each second connecting arm is connected with the second outer ring, and the other end of each second connecting arm is connected with the second connecting block; the first flange is in clamping fit with the second outer ring through a clamping component, and the mounting cavity is formed among the first connecting arms, the first connecting block, the second connecting arms and the second connecting block.

Preferably, the buckle assembly comprises a plurality of clamping feet arranged on the second outer ring and a plurality of clamping blocks arranged on the first flange, clamping grooves are formed in the side walls of the clamping blocks, and the clamping feet are in buckling fit with the clamping grooves.

Preferably, the upper end face of the clamping pin is provided with a limiting convex block, the inner side wall of the clamping groove is provided with a limiting groove, and when the clamping pin is matched with the clamping groove in a buckling mode, the limiting convex block is matched with the limiting groove in a clamping mode.

Preferably, the first connecting arm and/or the second connecting arm are/is provided with a limiting convex strip extending into the mounting cavity.

Preferably, the first locating hole and the second locating hole are respectively provided with a silica gel damping ring, and the silica gel damping rings face the end face of the mounting cavity and are provided with silica gel lugs distributed along the circumferential direction.

Preferably, the upper end of the base is recessed downwards to form a step surface matched with the second flange, and the lower end surface of the second flange abuts against the step surface.

The utility model provides a fan, includes motor and flabellum, flabellum detachable sets up in the pivot of motor, still includes foretell motor fixed knot and constructs, the motor is installed installation intracavity, the pivot of motor is followed first locating hole stretches out the back and with the flabellum is connected.

Preferably, a first connecting shaft is arranged on the lower end face of the motor, a through hole is formed in the first connecting shaft, a second connecting shaft is arranged on the upper end face of the motor, and a rotating shaft of the motor extends out of the through hole; the lower cover comprises a first outer ring, a first connecting block and a plurality of first connecting arms, a first flange which is abutted against the lower end face of the base is arranged on the outer side wall of the first outer ring, the first connecting block is provided with a first positioning hole for inserting the first connecting shaft, one end of each first connecting arm is connected with the first outer ring, and the other end of each first connecting arm is connected with the first connecting block; the upper cover comprises a second outer ring, a second connecting block and a plurality of second connecting arms, a second flange abutting against the upper end face of the base is arranged on the outer side wall of the second outer ring, a second positioning hole for inserting the second connecting shaft is formed in the second connecting block, one end of each second connecting arm is connected with the second outer ring, and the other end of each second connecting arm is connected with the second connecting block; the second outer ring passes through buckle subassembly with first flange joint cooperation, it is a plurality of first connecting arm first connecting block, it is a plurality of the second connecting arm with form between the second connecting block the installation cavity.

Compared with the prior art, the utility model has the advantages of

1. The motor support comprises a lower cover and an upper cover which are mutually in snap fit, an installation cavity for installing the motor is formed between the lower cover and the upper cover, the motor can be clamped and fixed in the installation cavity, the assembly is more compact, the motor is not easy to shake, the problems of vibration, abnormal sound and the like caused by the fact that the motor is directly fixed through a screw are avoided, and the reliability is better;

2. through seting up the draw-in groove on the lateral wall at the fixture block, when needs fixed motor, cover under earlier with the upper cover, the second outer ring overlaps in the outside of first outer ring, then forward rotation upper cover makes card foot and draw-in groove buckle cooperation, lower cover and upper cover buckle cooperation this moment, when needs dismantle the motor, reverse rotation upper cover makes card foot and buckle separation, then makes upper cover and lower cover separation, can take the motor this moment, it is comparatively convenient to load and unload, the maintenance of being convenient for.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic diagram of the explosion structure of the present invention;

fig. 3 is a partial structural diagram of the first embodiment of the present invention;

fig. 4 is a schematic view of a partial structure of the present invention;

fig. 5 is a schematic view of a partial structure of the present invention;

fig. 6 is a schematic sectional view of the present invention.

In the figure: 1. a base; 11. mounting a through hole; 12. a step surface; 2. a motor bracket; 21. a lower cover; 211. a first outer ring; 212. a first connection block; 213. a first connecting arm; 214. a first flange; 215. a first positioning hole; 22. an upper cover; 221. a second outer ring; 222. a second connecting block; 223. a second connecting arm; 224. a second flange; 225. a second positioning hole; 23. a mounting cavity; 24. limiting convex strips; 31. clamping a pin; 311. a limiting bump; 32. a clamping block; 321. a card slot; 4. a silica gel damping ring; 41. a silica gel projection; 5. a motor; 51. a first connecting shaft; 52. A second connecting shaft; 6. a fan blade.

Detailed Description

The following examples further describe the present invention in detail.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The first embodiment is as follows: referring to fig. 1-6, a motor fixing structure includes a base 1 provided with a mounting through hole 11 and a motor bracket 2 fastened to the mounting through hole 11, the motor bracket 2 includes a lower cover 21 and an upper cover 22 that are in snap fit with each other, a mounting cavity 23 adapted to a motor 5 is formed between the lower cover 21 and the upper cover 22, and a first positioning hole 215 communicated with the mounting cavity 23 is provided on the lower cover 21.

In this embodiment, the lower cover 21 includes a first outer ring 211, a first connecting block 212 and a plurality of first connecting arms 213, a first flange 214 abutting against the lower end surface of the base 1 is disposed on the outer side wall of the first outer ring 211, a first positioning hole 215 is disposed on the first connecting block 212, one end of each first connecting arm 213 is connected to the first outer ring 211, and the other end of each first connecting arm 213 is connected to the first connecting block 212, preferably, three first connecting arms 213 are disposed, and the three first connecting arms 213 are distributed at equal intervals along the circumferential direction; the upper cover 22 comprises a second outer ring 221, a second connecting block 222 and a plurality of second connecting arms 223, wherein the second outer ring 221, the second connecting block 222 and the plurality of second connecting arms 223 are sleeved outside the first outer ring 211, a second flange 224 abutting against the upper end face of the base 1 is arranged on the outer side wall of the second outer ring 221, a second positioning hole 225 is formed in the second connecting block 222, one end of each second connecting arm 223 is connected with the second outer ring 221, the other end of each second connecting arm 223 is connected with the second connecting block 222, preferably, three second connecting arms 223 are arranged, and the three second connecting arms 223 are distributed at equal intervals along the circumferential direction; the first flange 214 is snap-fitted with the second outer ring 221 by means of a snap-fit assembly, and a mounting cavity 23 is formed among the plurality of first connecting arms 213, the first connecting block 212, the plurality of second connecting arms 223, and the second connecting block 222.

In this embodiment, the first connecting arm 213 and the second connecting arm 223 are provided with a limiting convex strip 24 extending into the mounting cavity 23.

Example two: the rest of the embodiment is the same as the first embodiment, except that the locking assembly includes a plurality of locking legs 31 disposed on the second outer ring 221 and a plurality of locking blocks 32 disposed on the first flange 214, a locking groove 321 is disposed on a side wall of the locking block 32, and the locking legs 31 and the locking groove 321 are locked and engaged.

In this embodiment, the upper end surface of the locking pin 31 is provided with a limiting projection 311, the inner side wall of the locking slot 321 is provided with a limiting groove (not shown), and when the locking pin 31 is in snap fit with the locking slot 321, the limiting projection 311 is in snap fit with the limiting groove.

In this embodiment, the first connecting arm 213 or the second connecting arm 223 is provided with a limiting convex strip 24 extending into the mounting cavity 23.

In this embodiment, the first positioning hole 215 and the second positioning hole 225 are respectively provided with a silica gel damping ring 4, and the end surface of the silica gel damping ring 4 facing the mounting cavity 23 is provided with silica gel bumps 41 distributed along the circumferential direction.

In this embodiment, the upper end of the base 1 is recessed downward to form a step surface 12 that is engaged with the second flange 224, and the lower end surface of the second flange 224 abuts against the step surface 12.

Example three: the utility model provides a fan, includes motor 5 and flabellum 6, flabellum 6 detachable sets up in the pivot of motor 5, still includes the motor fixed knot structure as embodiment one, and motor 5 installs in installation cavity 23, and motor 5's pivot is connected with flabellum 6 after stretching out from first locating hole 215.

In this embodiment, a first connecting shaft 51 is disposed on a lower end surface of the motor 5, a through hole is disposed on the first connecting shaft 51, a second connecting shaft 52 is disposed on an upper end surface of the motor 5, and a rotating shaft of the motor 5 extends out of the through hole; the lower cover 21 comprises a first outer ring 211, a first connecting block 212 and a plurality of first connecting arms 213, a first flange 214 abutting against the lower end face of the base 1 is arranged on the outer side wall of the first outer ring 211, a first positioning hole 215 for inserting the first connecting shaft 51 is formed in the first connecting block 212, one end of each first connecting arm 213 is connected with the first outer ring 211, the other end of each first connecting arm 213 is connected with the first connecting block 212, preferably, three first connecting arms 213 are arranged, and the three first connecting arms 213 are distributed at equal intervals along the circumferential direction; the upper cover 22 comprises a second outer ring 221, a second connecting block 222 and a plurality of second connecting arms 223, a second flange 224 abutting against the upper end face of the base 1 is arranged on the outer side wall of the second outer ring 221, a second positioning hole 225 for inserting the second connecting shaft 52 is formed in the second connecting block 222, one end of each second connecting arm 223 is connected with the second outer ring 221, the other end of each second connecting arm 223 is connected with the second connecting block 222, preferably, three second connecting arms 223 are arranged, and the three second connecting arms 223 are distributed at equal intervals along the circumferential direction; the second outer ring 221 is snap-fitted with the first flange 214 through a snap assembly, and a mounting cavity 23 is formed among the plurality of first connecting arms 213, the first connecting block 212, the plurality of second connecting arms 223, and the second connecting block 222.

In this embodiment, the first connecting arm 213 and the second connecting arm 223 are provided with a limiting protruding strip 24 extending into the mounting cavity 23, and the limiting protruding strip 24 abuts against the side wall of the motor 5 to limit the movement of the motor 5.

Example four: the rest of the embodiment is the same as the embodiment, but the difference is that the locking assembly includes a plurality of locking legs 31 disposed on the second outer ring 221 and a plurality of locking blocks 32 disposed on the first flange 214, a locking groove 321 is disposed on a side wall of the locking block 32, and the locking legs 31 and the locking groove 321 are locked and engaged.

In this embodiment, the upper end surface of the locking pin 31 is provided with a limiting projection 311, the inner side wall of the locking slot 321 is provided with a limiting groove, and when the locking pin 31 is in snap fit with the locking slot 321, the limiting projection 311 is in snap fit with the limiting groove.

In this embodiment, the first positioning hole 215 and the second positioning hole 225 are respectively provided with a silica gel damping ring 4, end surfaces of the silica gel damping ring 4 facing the mounting cavity 23 are provided with silica gel bumps 41 distributed along a circumferential direction, and the silica gel bumps 41 abut against upper and lower end surfaces of the motor 5.

The present invention has been described in detail with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and various improvements of the method concept and the technical solution of the present invention can be made without modification, or the present invention can be directly applied to other occasions without modification, and is within the protection scope of the present invention.

Claims

1. A motor fixed knot constructs which characterized in that: including base (1) and the joint of seting up installation through-hole (11) motor support (2) of installation through-hole (11) department, motor support (2) are including mutual snap-fit's lower cover (21) and upper cover (22), lower cover (21) with form between upper cover (22) installation cavity (23) with motor (5) adaptation, seted up on lower cover (21) with first locating hole (215) of installation cavity (23) intercommunication.

2. A motor fixing structure as claimed in claim 1, wherein: the lower cover (21) comprises a first outer ring (211), a first connecting block (212) and a plurality of first connecting arms (213), a first flange (214) which is abutted to the lower end face of the base (1) is arranged on the outer side wall of the first outer ring (211), the first connecting block (212) is provided with a first positioning hole (215), one end of each first connecting arm (213) is connected with the first outer ring (211), and the other end of each first connecting arm (213) is connected with the first connecting block (212);

the upper cover (22) comprises a second outer ring (221) sleeved outside the first outer ring (211), a second connecting block (222) and a plurality of second connecting arms (223), a second flange (224) abutted to the upper end face of the base (1) is arranged on the outer side wall of the second outer ring (221), a second positioning hole (225) is formed in the second connecting block (222), one end of each second connecting arm (223) is connected with the second outer ring (221), and the other end of each second connecting arm (223) is connected with the second connecting block (222);

the first flange (214) is in clamping fit with the second outer ring (221) through a clamping assembly, and the mounting cavity (23) is formed among the first connecting arm (213), the first connecting block (212), the second connecting arm (223) and the second connecting block (222).

3. A motor fixing structure as claimed in claim 2, wherein: the clamping assembly comprises a plurality of clamping feet (31) arranged on the second outer ring (221) and a plurality of clamping blocks (32) arranged on the first flange (214), clamping grooves (321) are formed in the side walls of the clamping blocks (32), and the clamping feet (31) are in clamping fit with the clamping grooves (321).

4. A motor fixing structure as claimed in claim 3, wherein: set up spacing lug (311) on the up end of card foot (31), be provided with spacing recess on the inside wall of draw-in groove (321), work as card foot (31) with during draw-in groove (321) snap-fit, spacing lug (311) with spacing recess joint cooperation.

5. A motor fixing structure as claimed in claim 2, wherein: the first connecting arm (213) and/or the second connecting arm (223) are/is provided with a limiting convex strip (24) extending into the mounting cavity (23).

6. A motor fixing structure as claimed in claim 2, wherein: first locating hole (215) be provided with silica gel damping ring (4) in second locating hole (225) respectively, silica gel damping ring (4) orientation be provided with silica gel lug (41) along the circumferencial direction distribution on the terminal surface of installation cavity (23).

7. A motor fixing structure as claimed in claim 2, wherein: the upper end of the base (1) is recessed downwards to form a step surface (12) matched with the second flange (224), and the lower end face of the second flange (224) abuts against the step surface (12).

8. The utility model provides a fan, includes motor (5) and flabellum (6), flabellum (6) detachable sets up in the pivot of motor (5), its characterized in that: the motor fixing structure of claim 1, wherein the motor (5) is installed in the installation cavity (23), and a rotating shaft of the motor (5) extends out of the first positioning hole (215) and then is connected with the fan blade (6).

9. A fan as claimed in claim 8, wherein: a first connecting shaft (51) is arranged on the lower end face of the motor (5), a through hole is formed in the first connecting shaft (51), a second connecting shaft (52) is arranged on the upper end face of the motor (5), and a rotating shaft of the motor (5) extends out of the through hole;

the lower cover (21) comprises a first outer ring (211), a first connecting block (212) and a plurality of first connecting arms (213), a first flange (214) which is abutted to the lower end face of the base (1) is arranged on the outer side wall of the first outer ring (211), the first connecting block (212) is provided with a first positioning hole (215) for inserting the first connecting shaft (51), one end of each first connecting arm (213) is connected with the first outer ring (211), and the other end of each first connecting arm (213) is connected with the first connecting block (212);

the upper cover (22) comprises a second outer ring (221), a second connecting block (222) and a plurality of second connecting arms (223), a second flange (224) abutted to the upper end face of the base (1) is arranged on the outer side wall of the second outer ring (221), a second positioning hole (225) for inserting the second connecting shaft (52) is formed in the second connecting block (222), one end of each second connecting arm (223) is connected with the second outer ring (221), and the other end of each second connecting arm (223) is connected with the second connecting block (222);

the second outer ring (221) is in clamping fit with the first flange (214) through a clamping assembly, and the mounting cavity (23) is formed among the first connecting arm (213), the first connecting block (212), the second connecting arm (223) and the second connecting block (222).

10. A fan as claimed in claim 9, wherein: the clamping assembly comprises a plurality of clamping feet (31) arranged on the second outer ring (221) and a plurality of clamping blocks (32) arranged on the first flange (214), clamping grooves (321) are formed in the side walls of the clamping blocks (32), and the clamping feet (31) are in clamping fit with the clamping grooves (321).