CN208445464U - A kind of brushless motor - Google Patents
A kind of brushless motor Download PDFInfo
- Publication number
- CN208445464U CN208445464U CN201820661225.5U CN201820661225U CN208445464U CN 208445464 U CN208445464 U CN 208445464U CN 201820661225 U CN201820661225 U CN 201820661225U CN 208445464 U CN208445464 U CN 208445464U
- Authority
- CN
- China
- Prior art keywords
- protection cap
- casing
- brushless motor
- accommodating chamber
- encoder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims description 25
- 238000010586 diagram Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Motor Or Generator Frames (AREA)
Abstract
The utility model relates to a kind of brushless motors; including casing, protection cap and encoder; the casing is equipped with accommodating chamber; the encoder is located in accommodating chamber; the protection cap and casing are detachably connected for closing accommodating chamber, and the bottom of the accommodating chamber is equipped with the through-hole passed through for the lead for encoder；The annular groove around entire accommodating chamber is equipped with positioned at the edge of accommodating chamber on the casing; the protection cap is equipped with the annular protrusion cooperated with annular groove; the surface of the annular protrusion is equipped with the first elastic layer, and edge and the casing of the protection cap are connected by screw to；The edge of the protection cap is equipped with location hole, and the casing is equipped with the positioning column cooperated with location hole, and the front center of the protection cap is equipped with annulus.After such scheme, the encoder of brushless motor has stronger moisture resistance, not moisture-sensitive, to guarantee the normal operation of brushless motor.
Description
Technical field
The utility model relates to motor field, a kind of especially brushless motor.
Background technique
Brushless motor is common a kind of motor currently on the market, compares and brush motor, brushless motor have noise
It is small, it is non-maintaining, many advantages, such as little power consumption, the service life is long and it is widely used.
Brushless motor usually has encoder, and since encoder cannot make moist, otherwise brushless motor is easily damaged.It is existing
There are many deficiencies in the drying for guaranteeing encoder for brushless motor, can face when brushless motor is in the environment of rather harsh
The risk of damage influences the normal operation of brushless motor.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of brushless motor, the encoder of the brushless motor has relatively strong
Moisture resistance, to guarantee the normal operation of brushless motor.
In order to solve the above-mentioned technical problem, the technical scheme that the utility model is provided is as follows:
A kind of brushless motor, including casing, protection cap and encoder, the casing are equipped with accommodating chamber, the encoder
In accommodating chamber, the protection cap and casing are detachably connected for closing accommodating chamber, and the bottom of the accommodating chamber, which is equipped with, to be used
In the through-hole that the lead for encoder passes through；The annular around entire accommodating chamber is equipped with positioned at the edge of accommodating chamber on the casing
Groove, the protection cap are equipped with the annular protrusion cooperated with annular groove, and the surface of the annular protrusion is equipped with the first elasticity
Layer, edge and the casing of the protection cap are connected by screw to；The edge of the protection cap is equipped with location hole, sets on the casing
There is the positioning column with location hole cooperation, the front center of the protection cap is equipped with annulus.Using this structure, annular protrusion insertion
In annular groove, since the surface of annular protrusion is equipped with the first elastic layer, the gap between annular protrusion and annular groove
Minimum, moisture and air cannot be introduced into accommodating chamber, so as to avoid encoder from making moist well；The edge and casing of protection cap
It is connected by screw to, duplicate protection can be provided, protection cap is avoided to fall off；Meanwhile the edge of protection cap being passed through with casing
When screw connects, by the cooperation of location hole and positioning column, the hole that screw connection needs is aligned；Annulus can help to dismantle guarantor
Rope is inserted into annulus when disassembly by protecting cover, and applying pulling force just can easily dismantle protection cap.
It is preferred: to be equipped with notch with the edge of the side of chassis contact in the protection cap.Using this structure, dismantling
When protection cap, it can be used in the lesser tool insertion notch of thickness and agitate protection cap, consequently facilitating disassembly protection cap.
It is preferred: to be equipped with the second elastic layer with the side of chassis contact in the protection cap.Using this structure, can enhance
The sealing performance of protection cap.
Preferred: one end of the annular protrusion is arc-shaped.Using this structure, annular protrusion can be more easily inserted into
In annular groove.
Preferred: the depth of the location hole and the length of positioning column are identical.Using this structure, it is avoided that positioning column is convex
The surface of protection cap out causes to accidentally injure.
Preferred: the through hole is equipped with sealing shroud, and the sealing shroud is T-shaped, and the inside of the sealing shroud is equipped with elasticity
Washer, the sealing shroud are fixedly connected with through-hole.Using this structure, can reduce between the lead of encoder and through-hole as far as possible
Gap, to enhance the leakproofness of accommodating chamber, the moisture protection of enhanced encoder.
Preferred: the sealing shroud is connect with through hole whorl.
Preferred: the sealing shroud is equipped with force aid part, and the force aid part is two cylinders.Using this structure, close
It, can be conveniently by force aid part rotatory sealing set when big envelope is connect with through hole whorl.
After such scheme, the encoder of brushless motor has stronger moisture resistance, not moisture-sensitive, to guarantee nothing
The normal operation of brush motor.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawings and detailed description:
Fig. 1 is the structural schematic diagram of the utility model embodiment brushless motor；
Fig. 2 is the explosive view of the utility model embodiment brushless motor；
Fig. 3 is the structural schematic diagram of protection cap in the utility model embodiment；
Fig. 4 is the structural schematic diagram of sealing shroud in the utility model embodiment.
Wherein, 1, casing, 2, protection cap, 3, encoder, 4, sealing shroud, 11, accommodating chamber, 12, annular groove, 13, positioning
Column, 21, annular protrusion, 22, location hole, 23, annulus, 24, notch, 41, force aid part, 42, elastic washer.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Shown in Fig. 1-Fig. 4, a kind of brushless motor, including casing 1, protection cap 2 and encoder 3, the casing 1 are equipped with
Accommodating chamber 11, the encoder 3 are located in accommodating chamber 11, and the protection cap 2 is detachably connected with casing 1 for closing accommodating chamber
11, the bottom of the accommodating chamber 11 is equipped with the through-hole for passing through for the lead of encoder 3；It is located at accommodating chamber on the casing 1
11 edge is equipped with the annular groove 12 around entire accommodating chamber 11, and the protection cap 2, which is equipped with, to be cooperated with annular groove 12
Annular protrusion 21, the surface of the annular protrusion 21 are equipped with the first elastic layer, and the edge and casing 1 of the protection cap 2 pass through spiral shell
Nail connection；The edge of the protection cap 2 is equipped with location hole 22, and the casing 1 is equipped with the positioning column 13 cooperated with location hole 22,
The depth of location hole 22 is identical as the length of positioning column 13, and the front center of the protection cap 2 is equipped with annulus 23.Using this knot
Structure, annular protrusion 21 are embedded in annular groove 12, since the surface of annular protrusion 21 is equipped with the first elastic layer, annular protrusion
Gap between 21 and annular groove 12 is minimum, and moisture and air cannot be introduced into accommodating chamber 11, so as to avoid compiling well
Code device 3 makes moist；The edge of protection cap 2 is connected by screw to casing 1, can provide duplicate protection, and protection cap 2 is avoided to fall off；
Meanwhile when the edge of protection cap 2 and casing 1 to be connected by screw to, by the cooperation of location hole 22 and positioning column 13, by spiral shell
The hole alignment that nail connection needs；Annulus 23 can help to dismantle protection cap 2, and rope is inserted into annulus 23 by when disassembly, apply and draw
Power just can easily dismantle protection cap 2.
In order to more easily dismantle protection cap 2, the edge of the side contacted in protection cap 2 with casing 1 is equipped with notch
24, when dismantling protection cap 2, it can be used in the lesser tool insertion notch 24 of thickness and agitate protection cap 2.Meanwhile it protecting
The second elastic layer is arranged in the side contacted on lid 2 with casing 1, can enhance the sealing performance of protection cap 2.One end of annular protrusion 21
Arc-shaped, annular protrusion 21 can be more easily inserted into annular groove 12.
In addition, the through hole is equipped with sealing shroud 4, and the sealing shroud 4 is T-shaped, and the inside of the sealing shroud 4 is equipped with bullet
Property washer 42, the sealing shroud 4 are fixedly connected with through-hole.Using this structure, the lead of encoder 3 can be reduced as far as possible and led to
Gap between hole, thus enhance the leakproofness of accommodating chamber 11, the moisture protection of enhanced encoder 3.The sealing shroud 4 can be with
Through hole whorl connection, through hole can also be bonded in glue, when a threaded connection is used, force aid part is arranged on sealing shroud 4
41, such as force aid part 41 can be two cylinders, when sealing shroud 4 is connect with through hole whorl, by cylinder come rotatory sealing set
4, installation can be readily achieved.
After such scheme, the encoder of brushless motor has stronger moisture resistance, not moisture-sensitive, to guarantee nothing
The normal operation of brush motor.
In short, the above is only the preferred embodiment of the utility model only, it is not intended to limit the utility model, it is all
Any modifications, equivalent replacements, and improvements made within spirit of the present utility model and principle etc. should be included in practical
Within novel protection scope.
Claims (8)
1. a kind of brushless motor, it is characterised in that: including casing, protection cap and encoder, the casing is equipped with accommodating chamber, institute
It states encoder to be located in accommodating chamber, the protection cap and casing are detachably connected for closing accommodating chamber, the bottom of the accommodating chamber
Portion is equipped with the through-hole passed through for the lead for encoder；It is equipped on the casing positioned at the edge of accommodating chamber and is accommodated around entire
The annular groove of chamber, the protection cap are equipped with the annular protrusion cooperated with annular groove, and the surface of the annular protrusion is equipped with
First elastic layer, edge and the casing of the protection cap are connected by screw to；The edge of the protection cap is equipped with location hole, described
Casing is equipped with the positioning column cooperated with location hole, and the front center of the protection cap is equipped with annulus.
2. brushless motor according to claim 1, it is characterised in that: in the protection cap with the side of the side of chassis contact
Edge is equipped with notch.
3. brushless motor according to claim 2, it is characterised in that: be equipped in the protection cap with the side of chassis contact
Second elastic layer.
4. brushless motor according to claim 3, it is characterised in that: one end of the annular protrusion is arc-shaped.
5. brushless motor according to claim 4, it is characterised in that: the length phase of the depth of the location hole and positioning column
Together.
6. brushless motor described according to claim 1-any one of 5, it is characterised in that: the through hole is equipped with sealing shroud,
The sealing shroud is T-shaped, and the inside of the sealing shroud is equipped with elastic washer, and the sealing shroud is fixedly connected with through-hole.
7. brushless motor according to claim 6, it is characterised in that: the sealing shroud is connect with through hole whorl.
8. brushless motor according to claim 7, it is characterised in that: the sealing shroud is equipped with force aid part, the power-assisted
Part is two cylinders.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820661225.5U CN208445464U (en) | 2018-05-05 | 2018-05-05 | A kind of brushless motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820661225.5U CN208445464U (en) | 2018-05-05 | 2018-05-05 | A kind of brushless motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208445464U true CN208445464U (en) | 2019-01-29 |
Family
ID=65094365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820661225.5U Expired - Fee Related CN208445464U (en) | 2018-05-05 | 2018-05-05 | A kind of brushless motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208445464U (en) |
-
2018
- 2018-05-05 CN CN201820661225.5U patent/CN208445464U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190129 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |