CN208401742U - Shell and frequency converter suitable for frequency converter - Google Patents
Shell and frequency converter suitable for frequency converter Download PDFInfo
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- CN208401742U CN208401742U CN201821046045.2U CN201821046045U CN208401742U CN 208401742 U CN208401742 U CN 208401742U CN 201821046045 U CN201821046045 U CN 201821046045U CN 208401742 U CN208401742 U CN 208401742U
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- hole
- pilot hole
- shell
- frequency converter
- location hole
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Abstract
Provide a kind of shell and frequency converter suitable for frequency converter, the shell of frequency converter includes the accommodation space being defined as by front panel, the postnotum parallel with the front panel and the multiple side plates being connected between the front panel and postnotum, wherein, at least one mounting hole is equipped at least one described side plate, each mounting hole includes: pilot hole；And location hole, the lower part of the pilot hole is connected to and is located on the gravity direction of frequency converter with the pilot hole, the diameter of the pilot hole is greater than the diameter of the location hole, has sharp angle α between the line and front panel or the surface of postnotum at the center of the center of the location hole and the pilot hole.
Description
Technical field
The embodiments of the present invention be related to a kind of frequency converter more particularly to a kind of shell suitable for frequency converter and
Frequency converter including above-mentioned shell.
Background technique
Frequency converter is to be handed over using converter technique and microelectric technique by changing motor frequency mode of working power supply to control
The electric control appliance of galvanic electricity motivation.Frequency converter is mainly made of rectification unit, direct current component, inversion unit three parts.With
The continuous improvement of industrial automatization, all kinds of production equipments are also continuously increased the particular/special requirement of power supply, and frequency converter is due to energy
The voltage and frequency of out-put supply are adjusted, supply voltage required for providing it according to the actual needs of motor is with energy conservation, tune
Speed, thus be increasingly taken seriously in production field.
Currently, usually by the electric component of some high turnover rates of frequency converter in the accommodation space inside frequency converter shell
It is mounted on the side plate of shell, the mounting hole passed through for screw is equipped on the shell of frequency converter.Operator is utilizing bolt
Etc installing component when electric component is installed on frequency converter shell, it is difficult to by bolt from hull outside pass through mounting hole it
The bolt hole being aligned on electric component afterwards, causes inconvenient.
Utility model content
The embodiments of the present invention are to provide a kind of shell and frequency converter suitable for frequency converter, to prevent electrical part
Part falls off.
According to the embodiment of the utility model one aspect, a kind of shell suitable for frequency converter is provided, comprising:
By front panel, the postnotum parallel with the front panel and it is connected between the front panel and postnotum
The accommodation space that multiple side plates are defined as, wherein
At least one mounting hole is equipped at least one described side plate, each mounting hole includes:
Pilot hole；And
Location hole is connected to the pilot hole and is located on the gravity direction of frequency converter the lower part of the pilot hole, institute
The diameter for stating pilot hole is greater than the diameter of the location hole, the line at the center of the center of the location hole and the pilot hole with
There is sharp angle α between front panel or the surface of postnotum.
A kind of shell of embodiment according to the present utility model, the angle [alpha] is in the range of 30-60 degree.
A kind of shell of embodiment according to the present utility model, the angle [alpha] are about 45 degree.
A kind of shell of embodiment according to the present utility model, the quantity of the mounting hole are multiple, multiple installations
The center of the location hole in hole and the line at the center of the pilot hole are parallel to each other or be located along the same line, and multiple institutes
The center for stating the location hole of mounting hole is equal at a distance from the center of the pilot hole.
A kind of shell of embodiment according to the present utility model, the location hole and the pilot hole be round hole or
Regular polygon hole.
According to the embodiment of the utility model another aspect, a kind of frequency converter is provided comprising:
Shell as described above；
Electric component is mounted in the accommodation space；And
At least one screw is threaded on the electric component, and the pilot hole allows the head of the screw to wear
It crosses, the location hole allows the bar portion of the screw to pass through, so that the head for the screw being mounted on the electric component
The pilot hole is passed through from the inside of the accommodation space and reaches the outside of the side plate, and relies on the bar portion of the screw
The gravity of the electric component slides into the location hole, and the electric component is mounted on institute in the accommodation space
It states on side plate.
The shell and frequency converter of frequency converter are adapted to according to the above-mentioned various embodiments of the utility model, frequency converter
At least one side plate of shell is equipped with mounting hole for installing electric component, which includes pilot hole and location hole,
The location hole is connected to the pilot hole and is located at the lower part of the pilot hole, the guiding on the gravity direction of frequency converter
The diameter in hole is greater than the diameter of the location hole, the line at the center of the center of the location hole and the pilot hole and it is described before
Panel perhaps has sharp angle α between the surface of the postnotum so that under use or traffic condition, no matter at shell
In state that is horizontal positioned or being disposed vertically, location hole can be made to be located at the pilot hole on the gravity direction of frequency converter
Lower part so that screw the effect of gravity be not easy due to vibrating from location hole be moved to directly it is biggish
Pilot hole, the head for avoiding screw falls off from pilot hole and then electric component is caused to fall off, thus securely by electric component
It is mounted on shell.
Detailed description of the invention
These and or other aspects and advantage of the utility model are from description of preferred embodiments with reference to the accompanying drawing
It will be apparent and be readily appreciated that, in which:
Fig. 1 is the structural schematic diagram according to the shell suitable for frequency converter of one embodiment of the utility model；
Fig. 2 is the partial enlarged view of Fig. 1；
Fig. 3 is to prepare to be installed on its shell according to the electric component of the frequency converter of one embodiment of the utility model
Stereoscopic schematic diagram；
Fig. 4 is to pass through frequency converter shell according to the screw being connected on electric component of one embodiment of the utility model
On pilot hole stereoscopic schematic diagram；
Fig. 5 is the partial enlarged view of Fig. 4；
Fig. 6 is to slide into frequency converter shell according to the screw being connected on electric component of one embodiment of the utility model
The stereoscopic schematic diagram of location hole on body；
Fig. 7 is the partial enlarged view of Fig. 6；
Fig. 8 is the three-dimensional signal being installed on frequency converter shell according to the electric component of one embodiment of the utility model
Figure；And
Fig. 9 is the partial enlarged view of Fig. 8.
Specific embodiment
Although being retouched the utility model is fully described referring to the attached drawing of the preferred embodiment containing the utility model herein
It should be appreciated that those skilled in the art can modify utility model described herein before stating, while it is practical new to obtain this
The technical effect of type.Thus, it should be understood that above description is an extensive announcement for those of ordinary skill in the art, and
Its content does not lie in exemplary embodiment described in limitation the utility model.
Inventive concept generally according to the present utility model provides a kind of shell suitable for frequency converter, comprising: by preceding
Panel, the postnotum parallel with the front panel and the multiple side plates being connected between the front panel and the postnotum
The accommodation space being defined as, wherein at least one mounting hole, each mounting hole packet are equipped at least one described side plate
Pilot hole and location hole are included, location hole is connected to and on the gravity direction of frequency converter positioned at the pilot hole with the pilot hole
Lower part, the diameter of the pilot hole are greater than the diameter of the location hole, the center at the center of the location hole and the pilot hole
Line and the front panel or the surface of the postnotum between have sharp angle α.
Another inventive concept according to the present utility model, provides a kind of frequency converter, comprising: shell as described above；Electrically
Component is mounted in the accommodation space；And at least one screw, it is threaded on the electric component, the guiding
Hole allows the head of the screw to pass through, and the location hole allows the bar portion of the screw to pass through, so that being mounted on described electrical
The head of the screw on component passes through the outside that the pilot hole reaches the side plate from the inside of the accommodation space,
And slide into the bar portion of the screw in the location hole by the gravity of the electric component, the electric component is existed
It is mounted in the accommodation space on the side plate.
Fig. 1 is the structural schematic diagram according to the shell suitable for frequency converter of one embodiment of the utility model；Fig. 2 is
The partial enlarged view of Fig. 1；Fig. 3 is to prepare to be installed to according to the electric component of the frequency converter of one embodiment of the utility model
Stereoscopic schematic diagram on its shell；Fig. 4 is the screw being connected on electric component according to one embodiment of the utility model
The stereoscopic schematic diagram of pilot hole on frequency converter shell；Fig. 5 is the partial enlarged view of Fig. 4；Fig. 6 is according to the utility model
The screw being connected on electric component of one embodiment slide into the stereoscopic schematic diagram of the location hole on frequency converter shell；Figure
7 be the partial enlarged view of Fig. 6；Fig. 8 is to be installed to frequency converter shell according to the electric component of one embodiment of the utility model
On stereoscopic schematic diagram；And Fig. 9 is the partial enlarged view of Fig. 8.
As shown in Figures 1 to 9, in a kind of exemplary embodiment, the shell according to the present utility model suitable for frequency converter
Body, comprising: by front panel 2, the postnotum (not shown) parallel with front panel 2 and be connected between front panel 2 and postnotum
The accommodation space that is defined as of multiple side plates 1, wherein set on a side plate 1 there are two mounting hole 3, each mounting hole 3 wraps
Pilot hole 31 and location hole 32 are included, wherein location hole 32 is connected to pilot hole 31 and is located on the gravity direction of frequency converter described
The lower part of pilot hole 31, such as relative to pilot hole 31 closer to postnotum, the diameter of pilot hole 31 is greater than the straight of location hole 32
Diameter has 45 degree between the line and front panel 2 or the surface of postnotum at the center at the center and pilot hole 31 of location hole 32
Angle.Have between the line and front panel 2 or the surface of postnotum at the center at the center and pilot hole 31 of location hole 32
Sharp angle, so that operating assembler in the case where shell horizontality as shown in Figure 1 is placed from bottom end assembling electricity
Gas component 4 or (such as the front panel 2 of shell is in weight in the case where shell is placed perpendicular to horizontality as shown in Figure 1
On power direction be located at shell upper end) for example from top replace electric component 4 when, location hole 32 can be made in the weight of frequency converter
It is located at the lower part of the pilot hole on power direction.In this way, the screw 5 being mounted on electric component 4 can be from the intracorporal receiving of shell
Space passes through the outside that pilot hole 31 extend out to side plate 1, and slides into positioning automatically from pilot hole 31 by the gravity of electric component 4
In hole 32, later, screw 5 is tightened at location hole on the side plate 1 of shell.Under use or traffic condition, no matter shell
Body is in state that is horizontal positioned or being disposed vertically, location hole 32 can be made to be located on the gravity direction of frequency converter described
The lower part of pilot hole 31, so that screw 5 is not easy due to vibrating the effect of gravity from the movement of location hole 323
To direct biggish pilot hole 31, the head for avoiding screw falls off from pilot hole 31 and then electric component 4 is caused to fall off, thus
Electric component 4 is fixedly mounted on shell.In addition, during operator assembles electric component 4 or replacing electric
During gas component 4, electric component 4 is supported without a hand, while another hand screws screw 5, thus reduced to work
Make the technical requirements of personnel, and assemble and replace simple and convenient, and improves work efficiency.
Herein, the surface of the line and front panel 2 or postnotum at the center of location hole 32 and the center of pilot hole 31
Between there is sharp angle, that is to say, that when frequency converter is under normal operating conditions (i.e. the front panel 2 of shell upward when),
The center of location hole 32 is located at the obliquely downward at the center of pilot hole 31, and location hole 32 relative to pilot hole 31 closer to back
Plate.
It should be noted that it will be understood by those of skill in the art that in some other embodiment of the utility model,
The angle [alpha] can be in the range of 0-90 degree, and preferred angle alpha is in the range of 30-60 degree, and more preferably about 45 degree.
As shown in Figures 1 to 9, in a kind of exemplary embodiment, the quantity of mounting hole 3 is two, two mounting holes 3
The center of location hole 32 and the line at the center of pilot hole 31 are located along the same line, and the location hole 32 of two mounting holes 3
Center is equal at a distance from the center of pilot hole 31, in this manner it is ensured that two be mounted on electric component 4 screw, 5 energy
It is enough synchronously to be slided into location hole 32 from pilot hole 31, and be accurately located by location hole 32.
It should be noted that it will be understood by those of skill in the art that in some other embodiment of the utility model,
The center of the location hole 32 of two mounting holes 3 and the line at the center of pilot hole 31 can also be parallel to each other, to guarantee to be mounted on
Two 5 synchronizing movings of screw on electric component 4.In addition, the quantity of mounting hole 3 may be more than one or two, when
When the quantity of mounting hole 3 is more than two, the center of the location hole 32 of all mounting holes 3 and the center of pilot hole 31 should ensure that
Line is parallel to each other or is located along the same line, and the center of the location hole 32 of multiple mounting holes 3 and the center of pilot hole 31
Distance is equal.
As shown in Figures 1 to 9, in a kind of exemplary embodiment, location hole 32 and pilot hole 31 are round hole, are needed
Illustrate, it will be understood by those of skill in the art that in some other embodiment of the utility model, location hole 32 and leads
The polygonal hole such as pentagon hole or hexagonal hole can also be used to hole 31.
As shown in Figures 1 to 9, the embodiment of another aspect according to the present utility model provides a kind of frequency converter, including suitable
For the shell of frequency converter, electric component 4 and two screws 5, wherein the shell suitable for frequency converter includes: by front panel
2, the postnotum (not shown) parallel with front panel 2 and the multiple side plates 1 being connected between front panel 2 and postnotum limit
At accommodation space, wherein set on a side plate 1 there are two mounting hole 3, each mounting hole 3 includes pilot hole 31 and fixed
Position hole 32, wherein location hole 32 is connected to and relative to pilot hole 31 closer to postnotum, the diameter of pilot hole 31 with pilot hole 31
Greater than the diameter of location hole 32, the line and front panel 2 at the center at the center and pilot hole 31 of location hole 32 or postnotum
There is 45 degree of angle between surface.
It should be noted that it will be understood by those of skill in the art that in some other embodiment of the utility model,
The angle [alpha] can be in the range of 0-90 degree, and preferred angle alpha is in the range of 30-60 degree, and more preferably about 45 degree.
Electric component 4 is mounted in accommodation space.As shown in Fig. 2, in a kind of exemplary embodiment, electric component 4 is
Transformer.It should be noted that it will be understood by those of skill in the art that in some other embodiment of the utility model,
Electric component 4 is also possible to the electric component of the high turnover rate such as contactor.
Two screws 5, are threaded on electric component 4, and pilot hole 31 allows the head of screw 5 to pass through, location hole 32
Allow screw 5 bar portion pass through, that is to say, that the diameter of pilot hole 31 be greater than screw 5 head diameter, location hole 32 it is straight
Diameter is greater than the diameter of the bar portion of screw 5 and is less than the diameter of pilot hole 31, so that the head for the screw 5 being mounted on electric component 4
Portion passes through pilot hole 31 from the inside of accommodation space and reaches the outside of side plate 1, and slides into the bar portion of screw 5 by gravity
In location hole 32, electric component 4 is mounted on side plate in accommodation space.
In use, screw 5 is screwed into in the connecting hole being formed on electric component 4 (as shown in Figure 3) first, it then will be electric
Gas component 4 makes the screw 5 being mounted on electric component 4 calm out of the bottom end of shell the push-in intracorporal accommodation space of shell
Receiving the inside in space passes through pilot hole 31 and reaches the outside (as shown in Figure 4 and Figure 5) of side plate 1, screw 5 in electric component 4 and
(as shown in Figure 6 and Figure 7) is slided into location hole 32 from pilot hole 31 under the action of the gravity of its screw 5, then by tightening
Screw 5 in accommodation space to be mounted on side plate 1 (as shown in Figure 8 and Figure 9) for electric component 4.
The shell and frequency converter of frequency converter are adapted to according to the above-mentioned various embodiments of the utility model, frequency converter
At least one side plate 1 of shell is equipped with the mounting hole 3 for installing electric component 4, which includes pilot hole 31 and determine
Position hole 32, location hole 32 are connected to the pilot hole 31 and are located under the pilot hole 31 on the gravity direction of frequency converter
Portion, the diameter of the pilot hole 31 are greater than the diameter of the location hole 32, the center of the location hole 32 and the pilot hole 31
Center line and the front panel 2 perhaps there is between the surface of the postnotum sharp angle α to use or transport
In the case of, no matter shell is in state that is horizontal positioned or being disposed vertically, and location hole 32 can be made in the gravity of frequency converter
On direction be located at the pilot hole lower part so that screw 5 the effect of gravity be not easy due to vibrating from
Location hole 32 is moved to direct biggish pilot hole 31, and the head for avoiding screw 5 falls off from pilot hole 31 and then causes electrical
Component 4 falls off, so that electric component 4 is fixedly mounted on shell.
It will be understood to those skilled in the art that embodiment described above is all exemplary, and this field
Technical staff can make improvements, the rushing in terms of not recurring structure or principle of structure described in various embodiments
It can be freely combined in the case where prominent, to be realized more kinds of on the basis of the technical issues of solving the utility model
Connector shell and electric connector.
After the preferred embodiment that the utility model is described in detail, those skilled in the art can be clear
Solution can carry out various change under the protection scope and spirit for not departing from appended claims and change, and the utility model is also
It is not only restricted to the embodiment of examples cited embodiment in specification.
Claims (6)
1. a kind of shell suitable for frequency converter, comprising:
By front panel, the postnotum parallel with the front panel and it is connected to multiple between the front panel and postnotum
The accommodation space that side plate is defined as, which is characterized in that
At least one mounting hole is equipped at least one described side plate, each mounting hole includes:
Pilot hole；And
Location hole is connected to the pilot hole and is located on the gravity direction of frequency converter the lower part of the pilot hole, described to lead
It is greater than the diameter of the location hole, line and front of the center of the location hole with the center of the pilot hole to the diameter in hole
There is sharp angle α between plate or the surface of postnotum.
2. shell according to claim 1, which is characterized in that the angle [alpha] is in the range of 30-60 degree.
3. shell according to claim 2, which is characterized in that the angle [alpha] is about 45 degree.
4. shell described in any one of -3 according to claim 1, which is characterized in that the quantity of the mounting hole be it is multiple,
The line at the center at the center and pilot hole of the location hole of multiple mounting holes is parallel to each other or is located at always
On line, and the center of the location hole of multiple mounting holes is equal at a distance from the center of the pilot hole.
5. shell described in any one of -3 according to claim 1, which is characterized in that the location hole and the pilot hole are equal
For round hole or regular polygon hole.
6. a kind of frequency converter characterized by comprising
Shell as described in any one of claim 1-5；
Electric component is mounted in the accommodation space；And
At least one screw is threaded on the electric component, and the pilot hole allows the head of the screw to pass through, institute
Stating location hole allows the bar portion of the screw to pass through, so that the head for the screw being mounted on the electric component is from described
The inside of accommodation space passes through the pilot hole and reaches the outside of the side plate, and makes the bar portion of the screw by the electricity
The gravity of gas component slides into the location hole, and the electric component is mounted on the side plate in the accommodation space
On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821046045.2U CN208401742U (en) | 2018-07-03 | 2018-07-03 | Shell and frequency converter suitable for frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821046045.2U CN208401742U (en) | 2018-07-03 | 2018-07-03 | Shell and frequency converter suitable for frequency converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208401742U true CN208401742U (en) | 2019-01-18 |
Family
ID=65130324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821046045.2U Active CN208401742U (en) | 2018-07-03 | 2018-07-03 | Shell and frequency converter suitable for frequency converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208401742U (en) |
-
2018
- 2018-07-03 CN CN201821046045.2U patent/CN208401742U/en active Active
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