CN207892808U - For protecting small-sized oilless air compressor to start the device of motor - Google Patents
For protecting small-sized oilless air compressor to start the device of motor Download PDFInfo
- Publication number
- CN207892808U CN207892808U CN201721886194.5U CN201721886194U CN207892808U CN 207892808 U CN207892808 U CN 207892808U CN 201721886194 U CN201721886194 U CN 201721886194U CN 207892808 U CN207892808 U CN 207892808U
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- section
- protection valve
- starting protection
- motor
- air compressor
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Abstract
The utility model provides a kind of for protecting small-sized oilless air compressor to start the device of motor; including the quiet body of starting protection valve, starting protection valve actuation body, sealing ring and spring; starting protection valve actuation body includes integrally formed first section of body, second section of body, third section body and the 4th section of body; second section of body is equipped with sealing ring; 4th section of body is equipped with spring; the starting protection valve actuation body is interspersed in the inner cavity of the quiet body of starting protection valve, and the cross section size of each section of body and the inner cavity of the quiet body of starting protection valve match.Apparatus structure disclosed by the utility model is simple, and cost is relatively low, easy to process.Under the premise of not increasing power of motor, load when electric motor starting is alleviated, ensures that motor can be suitable for large-scale promotion with safe operation, simple installation in the starting stage.
Description
Technical field
The utility model is related to medical oil-free air compressor technical fields, specifically, the utility model is related to one kind to be used for
Small-sized oilless air compressor is protected to start the device of motor.
Background technology
Small-sized oilless air compressor power limited, if encountered, network voltage is too low, the excessively low shape of environment temperature on startup
Condition is easy to burn there is a situation where motor quick overload.Small-sized oilless air compressor small volume, thus its power of motor without
Method is made big, and to increase electric motor starting power must increase startup power of motor, but increase power of motor can not only increase electricity
Electromechanics stream, can also increase energy loss.
Utility model content
The purpose of this utility model aims to solve the problem that above-mentioned technological deficiency, the electric motor starting of especially traditional oilless air compressor
When be easy to the technological deficiency burnt due to load excessive, and provide a kind of for protecting small-sized oilless air compressor to start motor
Device.
Based on above-mentioned purpose, the utility model adopts the following technical scheme that：
The utility model provides a kind of for protecting small-sized oilless air compressor to start the device of motor, including starting protection valve
Quiet body, starting protection valve actuation body, sealing ring and spring, starting protection valve actuation body include integrally formed first section of body, second
Body, third section body and the 4th section of body are cut, second section of body is equipped with sealing ring, and the 4th section of body is equipped with spring, and the startup is protected
Shield valve actuation body is interspersed in the inner cavity of the quiet body of starting protection valve, and the cross section size of each section of body is interior with the quiet body of starting protection valve
Chamber matches.
In one embodiment, the both ends of the quiet body of starting protection valve are designed with guard, are located at air compressor machine air chamber
The guard of indoor one end is gross porosity guard, and the guard of the other end is dust-proof mesh enclosure.
In one embodiment, the 4th section of body end of the starting protection valve actuation body is sharpening shape to reduce air resistance
Power.
Device disclosed by the utility model is in the open state in the starting stage that air compressor machine starts, after startup, air compressor machine
Gas pressure in air cavity gradually rises, and air is partially compressed during this period and is protected by the quiet body of device starting protection valve and startup
Shield valve actuation body between gap be discharged into ambient air, when pressure rise to a certain extent after, can push startup by air pressure inside
Valve actuation body, spring is protected to be compressed, sealing ring blocks the gap between the quiet body of starting protection valve and starting protection valve actuation body, starts
Valve is protected to close.The apparatus structure is simple, and cost is relatively low, easy to process.Under the premise of not increasing power of motor, electricity is alleviated
Load when machine starts ensures that motor can be suitable for large-scale promotion with safe operation, simple installation in the starting stage.
The additional aspect of the utility model and advantage will be set forth in part in the description, these will be from following description
In become apparent, or recognized by the practice of the utility model.
Description of the drawings
The utility model is above-mentioned and/or additional aspect and advantage from the following description of the accompanying drawings of embodiments will
Become apparent and is readily appreciated that, wherein：
When Fig. 1 is the device unlatching for protecting small-sized oilless air compressor startup motor that the utility model embodiment provides
Structural profile illustration；
When Fig. 2 is the device closing for protecting small-sized oilless air compressor startup motor that the utility model embodiment provides
Structural profile illustration；
Fig. 3 is that the startup for protecting small-sized oilless air compressor to start electric machine that the utility model embodiment provides is protected
Protect valve actuation body structural schematic diagram.
Specific implementation mode
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and cannot be construed to the utility model
Limitation.
Those skilled in the art of the present technique are appreciated that unless expressly stated, singulative " one " used herein, " one
It is a ", " described " and "the" may also comprise plural form.It is to be further understood that being used in the specification of the utility model
Wording " comprising " refer to that there are the feature, integer, step, operation, element and/or component, but it is not excluded that in the presence of or
Other one or more features of addition, integer, step, operation, element, component and/or their group.It should be understood that working as us
Claim element to be " connected " or when " coupled " to another element, it can be directly connected or coupled to other elements, or can also
There are intermediary elements.In addition, " connection " used herein or " coupling " may include being wirelessly connected or wirelessly coupling.Used here as
Wording "and/or" include one or more associated list items whole or any cell and all combine.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (including technology art
Language and scientific terminology), there is meaning identical with the general understanding of the those of ordinary skill in the utility model fields.Also
It should be understood that those terms such as defined in the general dictionary, it should be understood that have and the context of the prior art
In the consistent meaning of meaning otherwise will not use idealization or too formal and unless by specific definitions as here
Meaning is explained.
As shown in Figure 1, Figure 2 and Figure 3, the utility model provides a kind of for protecting small-sized oilless air compressor to start motor
Device, including the quiet body 100 of starting protection valve, starting protection valve actuation body 200, sealing ring 300 and spring 400.Starting protection valve
Kinetoplast 200 includes being integrally formed columned first section of body, 201, second sections of bodies 202, third section body 203 and the 4th section of body
204.The cross-sectional area of first section of body 201 is more than second section of body 202, and third cuts also greater than second section body of cross-sectional area of body 203
202.First section of body, 201, second sections of bodies 202 and third cut the combination of body 203 and form an annular recess, in the annular recess
Interior, i.e., second section of body 202 is equipped with sealing ring 300, since the cross-sectional area of first section of body 201 and third section body 203 is both greater than
Second section of body 202, therefore sealing ring 300 is sleeved on second section of body 202, the body that cuts at both ends plays barrier effect, can prevent sealing ring
300 displacements.The cross section of 4th section of body 204 is less than third and cuts body 203, and spring 400 is equipped in the outer sheath of the 4th section of body 204,
The end thereof contacts third of spring 400 cuts the end surface of body 203.The spring ratio of the spring 400 determines facing for device closing
Boundary's pressure value.The starting protection valve actuation body 200 is interspersed in the inner cavity of the quiet body of starting protection valve 100, between there are gaps to be used for
Ventilation.The inner cavity of the quiet body of the cross section size of each section of body and the starting protection valve 100 matches.When the device is closed, it is located at
Sealing ring 300 on second section of body 202 is just against in the first convex wall 101 of the quiet body of starting protection valve 100, is set in the 4th section
The spring 400 in the outside of body 204 is against in the second convex wall 102 of the quiet body of starting protection valve 100.The quiet body of starting protection valve 100 passes through
Flange be mounted on air compressor machine gas outlet, and using fluid sealant sealed connection at.
Preferably, the both ends of the quiet body of the starting protection valve 100 are designed with guard, are located at one end in air compressor machine gas chamber
Guard be gross porosity guard 500, prevent the quiet body of starting protection valve 100 from crashing into the air cavity of air compressor machine, the guard of the other end is anti-
Dirt guard 600, due to the gap between the quiet body 100 of starting protection valve and starting protection valve actuation body 200, extraneous dust be easy into
Enter into the air cavity of air compressor machine, setting dust-proof mesh enclosure 600 not only can internal components that are dust-proof but also can protecting the device.
Further, the 4th section of 204 end of body of the starting protection valve actuation body 200 is sharpening shape to reduce air resistance
Power.
Device disclosed by the utility model is in the open state in the starting stage that air compressor machine starts, after startup, air compressor machine
Gas pressure in air cavity gradually rises, and air is partially compressed during this period and is protected by the quiet body of device starting protection valve and startup
Shield valve actuation body between gap be discharged into ambient air, when pressure rise to a certain extent after, can push startup by air pressure inside
Valve actuation body, spring is protected to be compressed, sealing ring blocks the gap between the quiet body of starting protection valve and starting protection valve actuation body, starts
Valve is protected to close.The apparatus structure is simple, and cost is relatively low, easy to process.Under the premise of not increasing power of motor, electricity is alleviated
Load when machine starts ensures that motor can be suitable for large-scale promotion with safe operation, simple installation in the starting stage.
The above is only some embodiments of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (3)
1. a kind of for protecting small-sized oilless air compressor to start the device of motor, which is characterized in that including the quiet body of starting protection valve,
Starting protection valve actuation body, sealing ring and spring, starting protection valve actuation body include integrally formed first section of body, second section of body,
Third cuts body and the 4th section of body, and second section of body is equipped with sealing ring, and the 4th section of body is equipped with spring, the starting protection valve actuation
Body is interspersed in the inner cavity of the quiet body of starting protection valve, the inner cavity phase of the cross section size of each section of body and the quiet body of starting protection valve
Match.
2. according to claim 1 for protecting small-sized oilless air compressor to start the device of motor, which is characterized in that described
The both ends of the quiet body of starting protection valve are designed with guard, and the guard for being located at one end in air compressor machine gas chamber is gross porosity guard, another
The guard at end is dust-proof mesh enclosure.
3. according to claim 1 for protecting small-sized oilless air compressor to start the device of motor, which is characterized in that described
4th section of body end of starting protection valve actuation body is sharpening shape to reduce air drag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721886194.5U CN207892808U (en) | 2017-12-28 | 2017-12-28 | For protecting small-sized oilless air compressor to start the device of motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721886194.5U CN207892808U (en) | 2017-12-28 | 2017-12-28 | For protecting small-sized oilless air compressor to start the device of motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207892808U true CN207892808U (en) | 2018-09-21 |
Family
ID=63550643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721886194.5U Expired - Fee Related CN207892808U (en) | 2017-12-28 | 2017-12-28 | For protecting small-sized oilless air compressor to start the device of motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207892808U (en) |
-
2017
- 2017-12-28 CN CN201721886194.5U patent/CN207892808U/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: 20180921 Termination date: 20181228 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |