CN217063533U

CN217063533U - Fast-mounting DC brushless external rotor motor

Info

Publication number: CN217063533U
Application number: CN202220604862.5U
Authority: CN
Inventors: 董国威; 袁帆
Original assignee: Zhuhai Kaiyue Technology Co ltd
Current assignee: Zhuhai Kaiyue Technology Co ltd
Priority date: 2022-03-18
Filing date: 2022-03-18
Publication date: 2022-07-26
Anticipated expiration: 2032-03-18

Abstract

The utility model discloses a brushless external rotor electric machine of direct current of quick installation, include: the motor comprises a motor body, a mounting assembly and a connecting assembly, wherein the motor body comprises a stator and an outer rotor, the stator is a cylinder, and the outer rotor is sleeved and rotated outside the stator; one end of the stator extends out of the outer rotor, and a ring groove is formed in one end of the stator extending out of the rotor; the mounting assembly comprises an inserting ring and a bottom plate, and the inserting ring is inserted in the ring groove; the connecting assembly comprises an inserting block, an elastic piece and a pull rod, a sliding groove is formed in the outer peripheral wall of the annular groove, and a slot is formed in the outer peripheral wall of the inserting ring; the pull rod is connected with the insert block. The utility model discloses in, earlier be connected bottom plate and exterior structure, only change the organism when changing the motor can. The stator is placed on the bottom plate, the inserting ring is inserted into the annular groove of the stator, the inserting block is pulled by the pull rod and is completely positioned in the sliding groove, the inserting ring is completely inserted into the annular groove, the inserting block is inserted into the inserting groove under the action of the elastic piece, the connection of the stator and the inserting ring is completed, and the method is simple in steps and convenient to operate during installation.

Description

Fast-mounting DC brushless external rotor motor

Technical Field

The utility model relates to the technical field of electric machines, concretely relates to brushless external rotor electric machine of direct current of quick installation.

Background

The motor is a commonly used power device, and comprises an inner rotor motor and an outer rotor motor. The rotor part of the outer rotor motor is directly connected with the driven element, so that the useless space between the motor and the equipment can be effectively reduced, and the energy loss of indirect driving is greatly reduced due to a direct driving mode.

The conventional external rotor motor usually includes an external rotor and a stator, and the external rotor is sleeved on and rotates outside the stator. At present, an installation mode of an outer rotor motor is that a stator is fixed with an external structure through a plurality of bolts, all the bolts are required to be screwed and installed when a new motor is replaced and installed, and the operation is complex.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a brushless external rotor electric machine of direct current of quick installation aims at solving the complicated problem of the brushless external rotor electric machine installation of current direct current.

In order to achieve the above object, the utility model provides a brushless external rotor electric machine of direct current of quick installation includes:

the motor comprises a motor body, a motor body and a motor, wherein the motor body comprises a stator and an outer rotor; one end of the stator extends out of the outer rotor, and a ring groove is formed in one end of the stator extending out of the rotor;

the mounting assembly comprises an inserting ring and a bottom plate, the bottom plate is used for being connected with an external structure, the inserting ring is arranged on one side of the bottom plate, and the inserting ring is inserted into the ring groove;

the stator is internally provided with a ring groove, the ring groove is internally provided with a sliding groove, the sliding groove is communicated with the ring groove, the insert is connected into the sliding groove in a sliding manner, the outer peripheral wall of the insert ring is provided with a slot for inserting the insert, and the elastic piece is used for pushing the insert to be inserted into the slot; the pull rod is connected to the insert block, and the pull rod extends to the outside of the stator.

Preferably, the elastic member is a compression spring, one end of the compression spring abuts against the insert block, and the other end of the compression spring abuts against one side of the sliding groove far away from the insert ring.

Preferably, one end of the pull rod, which is fixed, is fixed on one side of the insertion block, which is far away from the insertion ring, and the pull rod part is positioned in the sliding groove; the compression spring is sleeved on a section of the pull rod in the sliding groove.

Preferably, the stator is a cylinder and the connecting assembly is provided in plurality and spaced around the axis of the stator.

Preferably, the periphery wall of the plug-in ring is fixed with a positioning block, and the periphery wall of the ring groove is provided with a positioning groove for the insertion of the positioning block.

Preferably, one side of the bottom plate, which is far away from the plug-in ring, is provided with a plurality of counter bores, and each counter bore is internally provided with an inner hexagonal bolt in a penetrating manner, and the inner hexagonal bolt penetrates through the bottom plate and is in threaded connection with the plug-in ring.

Preferably, one side of the bottom plate, which is far away from the insertion ring, is attached with an adhesive tape.

Preferably, a plurality of fastening bolts are arranged at intervals in a penetrating manner on one side of the bottom plate close to the plug-in ring, and the fastening bolts are used for being in threaded connection with an external structure.

Preferably, the periphery wall interval of bottom plate is provided with a plurality of branches, branch is the telescopic link, the telescopic link includes loop bar and interior pole, seted up the dovetail in the loop bar, the dovetail link up the loop bar is kept away from the one end of bottom plate, interior pole sliding connection in the dovetail.

Preferably, a bolt penetrates through and slides on the loop bar, a plurality of pin holes are formed in the inner bar at intervals along the length direction of the inner bar, and the bolt can be inserted into any one of the pin holes.

The utility model discloses among the technical scheme, earlier be connected bottom plate and exterior structure, only change the organism when changing the motor can. The stator is placed on the bottom plate, the inserting ring is inserted into the annular groove of the stator, the inserting block is completely positioned in the sliding groove through pulling of the pull rod, the elastic piece is compressed at the moment, the machine body continues to be installed, the inserting ring is completely inserted into the annular groove, the pull rod is loosened, the inserting block is inserted into the inserting groove under the action of the elastic piece, the connection of the stator and the inserting ring is completed, the steps are simple during installation, and the operation is convenient.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a dc brushless external rotor motor for quick installation according to an embodiment of the present invention;

fig. 2 is a schematic diagram of a partial explosion structure of a dc brushless external rotor motor according to an embodiment of the present invention.

The reference numbers illustrate:

reference numerals	Name(s)	Reference numerals	Name(s)
				100	Stator with a stator core	600	Inserting groove
200	External rotor	700	Locating block
				300	Mounting assembly	800	Inner hexagon bolt
301	Plug-in ring	900	Adhesive plaster
				302	Bottom plate	110	Fastening bolt
400	Connecting assembly	120	Supporting rod
				401	Plug block	121	Loop bar
402	Elastic piece	122	Inner rod
				402a	Compression spring		130	Bolt (A)
403	Pull rod	140	Jack
				500	Sliding chute	150	Ring groove

The purpose of the present invention is to provide a portable electronic device, which can be easily and conveniently operated.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front, rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

Furthermore, descriptions in the present application as to "first," "second," etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly defined otherwise.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.

The utility model provides a brushless external rotor electric machine of direct current of quick installation.

Referring to fig. 1 to 2, in an embodiment of the present invention, a fast-mounting dc brushless external rotor motor includes: the motor comprises a motor body, a mounting assembly 300 and a connecting assembly 400, wherein the motor body comprises a stator 100 and an outer rotor 200, the stator 100 is a cylinder, and the outer rotor 200 is sleeved and rotated outside the stator 100; one end of the stator 100 extends out of the outer rotor 200, and one end of the stator 100 extending out of the rotor is provided with a ring groove 150; the mounting assembly 300 comprises an inserting ring 301 and a bottom plate 302, the bottom plate 302 is used for connecting with an external structure, the inserting ring 301 is arranged on one side of the bottom plate 302, and the inserting ring 301 is inserted into the ring groove 150; the connecting assembly 400 comprises an insert block 401, an elastic element 402 and a pull rod 403, a sliding groove 500 communicated with the ring groove 150 is formed in the stator 100 and positioned on the outer side of the ring groove 150, the insert block 401 is connected in the sliding groove 500 in a sliding mode, a slot 600 used for inserting the insert block 401 is formed in the outer peripheral wall of the inserting ring 301, and the elastic element 402 pushes the insert block 401 to be inserted into the slot 600; the tie bar 403 is connected to the insert block 401, and the tie bar 403 extends to the outside of the stator 100.

The utility model discloses in, earlier be connected bottom plate 302 and exterior structure, only change the organism when changing the motor can. The stator 100 is placed on the bottom plate 302, the inserting ring 301 is inserted into the ring groove 150 of the stator 100, the insert block 401 is pulled through the pull rod 403, the insert block 401 is completely located in the sliding groove 500, the elastic piece 402 is compressed at the moment, the machine body continues to be installed, the inserting ring 301 is completely inserted into the ring groove 150, the pull rod 403 is loosened, the insert block 401 is inserted into the inserting groove 600 under the action of the elastic piece 402, connection of the stator 100 and the inserting ring 301 is completed, the steps during installation are simple, and operation is convenient.

In this embodiment, the stator 100 is vertically disposed, the outer rotor 200 is a circular ring and is sleeved on and rotates outside the stator 100, and the bottom end of the stator 100 extends out of the outer rotor 200. Specifically, the bottom plate 302 is disc-shaped and has a vertical axis, and the bayonet ring 301 is coaxially fixed to the upper surface of the bottom plate 302. The ring groove 150 is coaxially opened at the bottom of the stator 100.

Further, the elastic member 402 is a compression spring 402a, one end of the compression spring 402a abuts against the insert block 401, and the other end abuts against the side of the chute 500 away from the insert ring 301. The compression spring 402a is a standard piece that is commonly used and is easily replaced by a person when the resilient member 402 is damaged.

In another embodiment of the present invention, the elastic member 402 may be an elastic rubber.

Further, one end of the pull rod 403, which is fixed, is fixed on the side of the insert block 401 away from the insert ring 301, and the pull rod 403 is partially located in the slide groove 500; the compression spring 402a is sleeved on a section of the pull rod 403 located in the sliding groove 500. The compression spring 402a is guided by the tension rod 403, so that the compression spring 402a is prevented from bending and damaging in the chute 500.

Specifically, the pull rod 403 is slidably connected in the outer wall of the stator 100, and a pull ball is fixed at one end of the pull rod 403 far away from the insert block 401, so that the pull rod 403 can be pulled manually.

In an embodiment, the connection assembly 400 is provided in plurality and spaced around the axis of the stator 100. The plurality of connection members 400 simultaneously fix the stator 100 and the insertion ring 301, thereby improving the connection strength.

Specifically, the connecting assemblies 400 are provided in three groups spaced evenly around the axis of the stator 100.

Further, the edge that inserted block 401 kept away from on pull rod 403 one side and is close to bottom plate 302 is the chamfer setting, during the installation, will insert ring 301 and insert annular groove 150, and insert ring 301 butt chamfer continues to promote and inserts ring 301, drives inserted block 401 automatic sliding chute 500 under the effect of chamfer, and when inserted ring 301 inserted annular groove 150 completely, inserted block 401 lost the butt and inserted slot 600 under the effect of elastic component 402 part.

Further, the outer peripheral wall of the insertion ring 301 is fixed with a positioning block 700, and the outer peripheral wall of the ring groove 150 is provided with a positioning groove for inserting the positioning block 700. The position of the plug-in ring 301 in the ring groove 150 is positioned through the positioning block 700, so that the plug-in block 401 can be directly inserted into the corresponding slot 600, and manual installation is facilitated.

In the embodiment, a plurality of countersunk holes are formed in a side of the bottom plate 302 away from the insert ring 301, an inner hexagonal bolt 800 is inserted into each countersunk hole, and the inner hexagonal bolt 800 penetrates through the bottom plate 302 and is screwed to the insert ring 301. When the plugging ring 301 is damaged and needs to be replaced, the bottom plate 302 can be taken down, the hexagon socket head cap screw 800 is unscrewed, the bottom plate 302 is separated from the plugging ring 301, and manual maintenance or replacement is facilitated. The positioning of the head of the socket head cap screw 800 in the counter bore does not interfere with the connection of the base plate 302 to the external structure.

In yet another embodiment of the present invention, the base plate 302 may be directly coupled to the stator 100 by the socket head cap screw 800 without using the insert ring 301.

Specifically, six socket head cap screws 800 are evenly spaced around the base plate 302.

In an embodiment, the adhesive 900 is attached to a side of the bottom plate 302 away from the insert ring 301. The connection between the bottom plate 302 and the external structure is completed through the adhesive tape 900, so that the operation is convenient.

In the embodiment, a plurality of fastening bolts 110 are arranged at intervals through one side of the bottom plate 302 close to the insert ring 301, and the fastening bolts 110 are used for being in threaded connection with an external structure. In order to secure the connection of the base plate 302 to the external structure, fastening bolts 110 are used to connect the base plate 302 to the external structure.

Specifically, six fastening bolts 110 are provided at regular intervals around the axis of the base plate 302. It is worth noting that the utility model provides a motor is installed fast and is fixed in connection structure with bottom plate 302 in advance, when installing the motor fast, only need to change the organism can.

In an embodiment, a plurality of support rods 120 are arranged at intervals on the outer peripheral wall of the bottom plate 302, the support rods 120 are telescopic rods, each telescopic rod comprises a sleeve rod 121 and an inner rod 122, a dovetail groove is formed in each sleeve rod 121, the dovetail groove penetrates through one side, facing the outer structure, of each sleeve rod 121, the dovetail groove penetrates through one end, away from the bottom plate 302, of each sleeve rod 121, and the inner rod 122 is connected in the dovetail groove in a sliding mode. The outward support of the plurality of struts 120 ensures that the bottom plate 302 is attached to the connection surface of the external structure, avoiding the inclination of the machine body.

Specifically, the cross section of the inner rod 122 is dovetail-shaped, and the inner rod 122 is slidably connected to the dovetail groove, so that the inner rod 122 can be always attached to the connection surface corresponding to the external structure. The stability of the support for the base plate 302 may be increased or decreased by adjusting the length of the inner rod 122. In one embodiment, three struts 120 are uniformly spaced about the axis of the base plate 302, and three struts 120 can stably support the base plate 302.

Furthermore, the loop bar 121 is penetrated and slid by the plug pin 130, the inner bar 122 is opened with a pin hole 140 for plugging the plug pin 130, and the pin hole 140 is provided in plurality at intervals along the length direction of the inner bar 122. The plug 130 can be inserted into any one of the pin holes 140. When the length of the inner rod 122 extending out of the loop bar 121 needs to be adjusted, after the inner rod 122 is pulled to a specified position, the bolt 130 penetrates through the loop bar 121 and is inserted into the corresponding pin hole 140, and the relative position of the inner rod 122 and the loop bar 121 is fixed through the bolt 130, so that the structural stability is improved.

The above only is the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.

Claims

1. A fast-mounting dc brushless external rotor electric machine, comprising:

the motor comprises a motor body, a motor body and a motor, wherein the motor body comprises a stator and an outer rotor; one end of the stator extends out of the outer rotor, and a ring groove is formed in the end, extending out of the rotor, of the stator;

the mounting assembly comprises an inserting ring and a bottom plate, the bottom plate is used for being connected with an external structure, the inserting ring is arranged on one side of the bottom plate, and the inserting ring is inserted into the annular groove;

2. The fast-assembling brushless dc external rotor motor according to claim 1, wherein the elastic member is a compression spring, one end of the compression spring abuts against the insertion block, and the other end abuts against a side of the sliding slot away from the insertion ring.

3. The fast mounting dc brushless external rotor electric machine according to claim 2, wherein the fixed end of the pull rod is fixed to the side of the insert block away from the insert ring, and the pull rod is partially located in the sliding groove; the compression spring is sleeved on one section of the pull rod in the sliding groove.

4. The fast-assembling brushless dc external rotor motor according to claim 1, wherein the stator is a cylindrical body, and the connecting assembly is provided in plurality and spaced around an axis of the stator.

5. The fast mounting dc brushless external rotor electric machine according to claim 4, wherein a positioning block is fixed to the outer circumferential wall of the insertion ring, and a positioning groove for the insertion of the positioning block is formed in the outer circumferential wall of the ring groove.

6. The fast mounting dc brushless external rotor motor according to any one of claims 1-5, wherein a plurality of countersunk holes are formed in a side of the bottom plate away from the insert ring, and socket head cap bolts are inserted into the countersunk holes and penetrate through the bottom plate and are threadedly connected to the insert ring.

7. The rapidly mounted DC brushless external rotor motor according to any one of claims 1-5, wherein a glue is attached to one side of the base plate away from the insert ring.

8. The fast-mounting DC brushless external rotor motor according to any one of claims 1-5, wherein a plurality of fastening bolts are arranged at intervals and penetrate through one side of the base plate close to the plug-in ring, and the fastening bolts are used for being in threaded connection with an external structure.

9. The fast-mounting brushless DC external rotor motor according to any one of claims 1-5, wherein the peripheral wall of the bottom plate is provided with a plurality of support rods at intervals, the support rods are telescopic rods, the telescopic rods comprise sleeve rods and inner rods, dovetail grooves are formed in the sleeve rods, the dovetail grooves penetrate through one ends of the sleeve rods far away from the bottom plate, and the inner rods are connected in the dovetail grooves in a sliding manner.

10. The fast mounting dc brushless external rotor electric machine according to claim 9, wherein a pin is inserted through and slid on the loop bar, a plurality of pin holes are provided on the inner bar at intervals along the length direction of the inner bar, and the pin can be inserted into any one of the pin holes.