CN217681395U - Door plate with filter screen and converter using same - Google Patents
Door plate with filter screen and converter using same Download PDFInfo
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- CN217681395U CN217681395U CN202221670089.9U CN202221670089U CN217681395U CN 217681395 U CN217681395 U CN 217681395U CN 202221670089 U CN202221670089 U CN 202221670089U CN 217681395 U CN217681395 U CN 217681395U
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- filter screen
- door
- outer frame
- door panel
- accommodating groove
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Abstract
The utility model discloses a from door plant of taking filter screen and use its converter, include: the door plate comprises a door plate body, a concave accommodating groove arranged on the front surface of the door plate body, and a filter screen unit suitable for being embedded in the concave accommodating groove; the filter screen unit comprises an outer frame body and a filter screen prefabricated on the outer frame body; the bottom end part of the outer frame body is suitable for being in hinged fit with the bottom of the concave accommodating groove; and the top end of the outer frame body is suitable for being locked on the door panel body through at least two hanging pieces.
Description
Technical Field
The utility model relates to a converter technical field especially relates to a from door plant of taking filter screen and use its converter.
Background
The rail transit vehicle traction converter is one of key components of a rail transit vehicle (such as a subway), is generally installed at the bottom of the rail transit vehicle, and has the functions of mainly converting electric energy of a direct current system, converting 1500V direct current from a contact net into 0-1150V three-phase alternating current, and realizing starting, braking and speed regulation control of an alternating current traction motor through voltage regulation and frequency regulation control. With the development of power electronic technology, the application of the rail transit vehicle traction converter in the rail transit vehicle is also continuously improved and developed.
In order to adapt to the increasing speed of railways in new situations, the development of traction converters is also required to be more efficient and integrated. Particularly, to the door plant and the filter screen structure that need use in the normal use of traction converter, the filter screen needs regular renew cartridge, needs carry out the dismantlement of filter screen before renew cartridge, therefore the filter screen directly influences subsequent dismantlement and the convenience of renew cartridge for the assembly structure of holistic converter. In addition, the converter also needs regular maintenance in long-term use, this just needs to make the door body be convenient for open and close, and consider that the maintenance of converter and the washing of filter screen are not the same cycle, so the design can make opening and closing of the door body do not influence the use of filter screen structure to and the dismantlement of filter screen structure and renew cartridge can not influence the structure and the state of the door body itself yet, just can improve the convenience that holistic converter used.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a from door plant of taking filter screen to solve the technical problem that the filter core is also changed to the convenient to detach filter screen.
The second objective of the utility model is to provide a converter to solve the technical problem who effectively improves the converter and use the convenience.
The utility model discloses a from door plant of taking filter screen is realized like this:
a door panel with a filter screen, comprising: the door comprises a door body, a concave accommodating groove arranged on the front surface of the door body, and a filter screen unit suitable for being embedded in the concave accommodating groove;
the filter screen unit comprises an outer frame body and a filter screen prefabricated on the outer frame body; and
the bottom end part of the outer frame body is suitable for being in hinged fit with the bottom of the concave accommodating groove; and the top end of the outer frame body is suitable for being locked on the door panel body through at least two hanging pieces.
In an optional embodiment of the present invention, a tapered positioning column for connecting the hanging member is disposed on the door panel body; positioning holes are formed in the conical positioning columns; and
the hanging piece comprises a base fixedly connected with the top end of the outer frame body and a lantern ring which is integrally formed with the base and is suitable for being hung on the conical positioning column in a sleeved mode; wherein
And a pin shaft which is suitable for being inserted into the positioning hole is also arranged on one side of the lantern ring.
In an optional embodiment of the present invention, a hinge for hinging with the outer frame body is fixedly arranged on the bottom frame of the door panel body;
the hinge comprises a base body which is fixedly attached to the bottom frame of the door plate body and is of a U-shaped structure, a first outward turning folding edge which is bent and formed by one end of the base body extending into the concave accommodating groove, and a second outward turning folding edge which is bent and formed by the other end of the base body.
In an optional embodiment of the present invention, a filter net hook for rotationally coupling with the first outward flanging is fixedly arranged at the bottom end of the outer frame body;
the filter screen hook comprises an L-shaped folded plate which is fixedly attached to the bottom end part of the outer frame body and an outward turning plate which is connected with the bottom edge of the L-shaped folded plate in a bending mode; wherein
The outer turning plate is in rotating fit with the first outer flanging.
In an alternative embodiment of the present invention, the outer frame body is further provided with a sealing strip between the circumferential edge of the end portion of the recessed accommodating groove and the recessed accommodating groove.
The utility model discloses a converter realizes like this:
a current transformer, comprising: the box body and the door plate which is connected with the box body in a matching mode and is provided with the filter screen.
In an alternative embodiment of the present invention, the bottom end portion of the door panel body is adapted to be hinged to the bottom of the box body; and
the top end of the door panel body is suitable for being hung and sleeved on the box body through at least two hanging parts; and a hook-shaped part which is connected with the suspension part in a matching way is arranged on the box body.
In an alternative embodiment of the present invention, at least two door locks are further provided between the door panel body and the box body.
In an optional embodiment of the present invention, a blocking piece is further disposed on one side of the door panel body facing the box body.
By adopting the technical scheme, the utility model discloses following beneficial effect has: the utility model discloses a from door plant of taking filter screen and use its converter, the filter screen unit directly inlays the dress on the door plant body, and the bottom portion of the outer framework of filter screen unit be suitable for with the articulated cooperation in bottom of sunken holding tank to and the top of outer framework is suitable for through two at least pendant lock solid on the door plant body. Under such structure, when needing to change the filter core, can be integral dismantle the filter screen unit from the door plant body, can not influence the joining in marriage between door plant body and the converter box at this in-process and connect the state to when the door plant body is assembled with the filter screen unit who has traded the filter core, only need operate the filter screen unit can, holistic dismouting process is all very convenient. Under this kind of structure, still make when needing to open the door plant body for the converter box, the structure of filter unit can not influence opening and closing of door plant body.
Drawings
Fig. 1 is a schematic view of a partial structure of a door panel with a filter screen applied to a converter according to the present invention;
fig. 2 is a schematic view of a matching structure of the filter unit and the door panel main body of the door panel with the filter screen of the present invention;
fig. 3 is a schematic cross-sectional structural view of the door panel with a filter screen applied to the converter according to the present invention;
fig. 4 is a schematic view of the hinge of the door panel with the filter screen of the present invention cooperating with the filter unit, the door panel body and the box body;
FIG. 5 is a schematic view of the conical positioning post and the hanging member of the door panel with a filter net according to the present invention;
FIG. 6 is a schematic structural view of a hanging member of a door panel with a filter screen according to the present invention;
fig. 7 is a schematic structural view of a hinge of a door panel with a filter screen according to the present invention;
fig. 8 is a schematic structural view of the tapered positioning column of the door panel with the filter screen according to the present invention.
In the figure: the box comprises a box body 1, a box body hook 11, a door panel main body 2, a concave accommodating groove 22, a baffle 23, a filter screen unit 3, an outer frame body 31, a filter screen 32, an L-shaped folded plate 33, an outward-folded plate 34, a base body 41, a first outward-folded edge 42, a second outward-folded edge 43, a door lock 5, a conical positioning column 6, a positioning hole 61, a sealing strip 7, a second sealing strip 8, a hanging piece 91, a hook-shaped piece 92, a base 101, a sleeve ring 102 and a pin shaft 103.
Detailed Description
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings.
Example 1:
referring to fig. 1 to 8, the present embodiment provides a door panel with a filter, including: the door comprises a door body, a concave accommodating groove 22 arranged on the front surface of the door body, and a filter screen unit 3 suitable for being embedded in the concave accommodating groove 22; the specific filter screen unit 3 comprises an outer frame body 31 and a filter screen 32 prefabricated on the outer frame body 31; and the bottom end of the outer frame 31 is adapted to be in hinged fit with the bottom of the recessed receiving groove 22; and the top end of the outer frame 31 is adapted to be locked on the door panel body by at least two hanging pieces. That is, the bottom end of the outer frame 31 is rotatably engaged with the door body.
Referring to the attached drawings, as an optional case, a tapered positioning column 6 for adapting a pendant is arranged on the door panel body; a positioning hole 61 is formed in the conical positioning column 6; the hanging piece comprises a base part 101 fixedly connected with the top end of the outer frame body 31 and a sleeve ring 102 which is integrally formed with the base part 101 and is suitable for being hung on the conical positioning column 6 in a sleeved mode; wherein a pin 103 adapted to be inserted into the positioning hole 61 is further provided at one side of the collar 102. On the basis of the structure, after the lantern ring 102 is sleeved on the conical positioning column 6, the pin shaft 103 is inserted into the positioning hole 61, and therefore the conical positioning column 6 can be firmly matched with the pendant. The collar 102 can only be withdrawn from the tapered locating stud 6 by removing the pin 103 from the locating hole 61.
The rotation fit between the outer frame 31 and the door panel body in the present embodiment is realized by the following structure: a hinge which is used for being in hinged fit with the outer frame body 31 is fixedly arranged on the bottom frame of the door panel body; referring to the drawings in detail, the hinge of the present embodiment includes a base 41 fixed to the bottom frame of the door body in a U-shaped configuration, a first outward-folded flange 42 formed by bending one end of the base 41 extending into the concave receiving groove 22, and a second outward-folded flange 43 formed by bending the other end of the base 41. The base 41 can be directly riveted and fixed on the door panel body.
On the basis of the structure, a filter screen hook which is rotatably matched and connected with the first outward flanging 42 is fixedly arranged at the bottom end part of the outer frame body 31; the filter screen hook comprises an L-shaped folded plate 33 which is fixedly attached to the bottom end part of the outer frame body 31 and an outward-turned plate 34 which is connected with the bottom edge of the L-shaped folded plate 33 in a bending way; wherein the outer turnover panel 34 is rotatably coupled with the first outer turnover panel 42. Alternatively, the first out-flap is bent at an obtuse angle relative to the base 41, so that deformation of the first out-flap during use with the sieve hanger is prevented.
Further, a weather strip 7 is provided between the circumferential edge of the end portion of the outer frame 31 facing the recessed receiving groove 22 and the recessed receiving groove 22.
Example 2:
referring to fig. 1 to 8, on the basis of the door panel with the filter screen of embodiment 1, the present embodiment provides a current transformer, including: the box comprises a box body 1 and a door plate which is connected with the box body 1 in a matching mode and provided with a filter screen.
More specifically, the bottom end of the door panel body of the present embodiment is adapted to be hinged to the bottom of the box body 1; the top end of the door panel body is suitable for being hung and sleeved on the box body 1 through at least two hanging pieces 91; and a hook 92 to be fitted to the hanger 91 is provided on the box body 1. The anti-release buckle formed by the engagement of the hanger 91 and the hook 92 serves as a safety device when the door panel body is detached from the attached state.
In order to meet the sealing requirement, the matching surface between the door panel main body 2 and the box main body 1 in this embodiment is further provided with a second sealing strip 8 for sealing.
Under an optional embodiment, door plant main part 2 is formed by the panel beating welding, and the section all around is the U type structure after the shaping, and rigidity is strengthened, and the back has riveted the stainless steel strengthening rib, prevents when door plant main part 2 and the wind channel cooperation in the case body 1 are sealed, receives the reaction force of sealing strip on the wind channel and warp, causes the condition of sealed inefficacy.
It should be noted that the hinge-fitting of the door panel body and the bottom of the box body 1 in this embodiment is realized by the following structure:
the bottom of the box body 1 is fixedly provided with a box body hook 11 which can form rotating matching connection with a second outward turning edge 43 of the hinge. That is, the hinge in this embodiment is a double rotation engagement structure, and simultaneously performs rotation engagement between the outer frame 31 and the door panel body and rotation engagement between the door panel body and the box body 1. Therefore, the two rotating matching structures are realized through one hinge, so that the structure of the whole converter can be simplified, and the production and processing cost can be effectively reduced. The hinge is a stainless steel sheet metal part, and is simple to manufacture and free of maintenance.
The consideration of the condition of preventing the door panel body from being illegally opened is given out, and at least two door locks 5 are further arranged between the door panel body and the box body 1. The door lock 5 may be any conventional means, and the specific structure of the door lock 5 is not limited in this embodiment.
In addition, a blocking piece 23 is arranged on one side of the door panel body facing the box body 1. The main function of the baffle 23 is to limit the up-and-down jumping space of the door panel body and prevent the disconnection of the matching part of the hinge and the box body 1 in the bumping process of the vehicle.
The above embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above embodiments are only examples of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements 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.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the present disclosure, unless otherwise expressly stated or limited, the first feature may comprise both the first and second features directly contacting each other, and also may comprise the first and second features not being directly contacting each other but being in contact with each other by means of further features between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.
Claims (9)
1. The utility model provides a from door plant of taking filter screen which characterized in that includes: the door comprises a door body, a concave accommodating groove arranged on the front surface of the door body, and a filter screen unit suitable for being embedded in the concave accommodating groove;
the filter screen unit comprises an outer frame body and a filter screen prefabricated on the outer frame body; and
the bottom end part of the outer frame body is suitable for being in hinged fit with the bottom of the concave accommodating groove; and the top end of the outer frame body is suitable for being locked on the door panel body through at least two hanging pieces.
2. The door plate with the filter screen according to claim 1, wherein a conical positioning column for matching with the hanging piece is arranged on the door plate body; positioning holes are formed in the conical positioning columns; and
the hanging piece comprises a base fixedly connected with the top end of the outer frame body and a lantern ring which is integrally formed with the base and is suitable for being hung on the conical positioning column in a sleeved mode; wherein
And a pin shaft suitable for being inserted into the positioning hole is further arranged on one side of the lantern ring.
3. The door panel with the filter screen according to claim 1, wherein a hinge for being in hinged fit with the outer frame body is fixedly arranged on the bottom frame of the door panel body;
the hinge comprises a base body which is fixedly attached to the bottom frame of the door plate body and is of a U-shaped structure, a first outward turning folding edge which is bent and formed by one end of the base body extending into the concave accommodating groove, and a second outward turning folding edge which is bent and formed by the other end of the base body.
4. The door panel with the filter screen as claimed in claim 3, wherein a filter screen hook for rotationally coupling with the first outward flanging is fixedly arranged at the bottom end of the outer frame;
the filter screen hook comprises an L-shaped folded plate which is fixedly attached to the bottom end part of the outer frame body and an outward turning plate which is connected with the bottom edge of the L-shaped folded plate in a bending mode; wherein
The outer turning plate is rotatably connected with the first outer flanging in a matching mode.
5. The door panel with the filter screen according to any one of claims 1 to 4, wherein a sealing strip is further arranged between the peripheral edge of the end part of the outer frame body facing the concave accommodating groove and the concave accommodating groove.
6. A current transformer, comprising: the box body and the door panel with the filter screen, which is matched and connected with the box body, are as claimed in any one of claims 1 to 5.
7. The current transformer of claim 6, wherein the bottom end of the door panel body is adapted to hingedly engage the bottom of the tank body; and
the top end of the door panel body is suitable for being hung and sleeved on the box body through at least two hanging parts; and a hook-shaped part which is connected with the suspension part in a matching way is arranged on the box body.
8. The converter according to claim 6 or 7, wherein at least two door locks are further provided between the door panel body and the box body.
9. The current transformer according to claim 6 or 7, wherein a blocking piece is further provided on the side of the door panel body facing the box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221670089.9U CN217681395U (en) | 2022-06-30 | 2022-06-30 | Door plate with filter screen and converter using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221670089.9U CN217681395U (en) | 2022-06-30 | 2022-06-30 | Door plate with filter screen and converter using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217681395U true CN217681395U (en) | 2022-10-28 |
Family
ID=83714499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221670089.9U Active CN217681395U (en) | 2022-06-30 | 2022-06-30 | Door plate with filter screen and converter using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217681395U (en) |
-
2022
- 2022-06-30 CN CN202221670089.9U patent/CN217681395U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 213000 No. 199, Fenglin South Road, Wujin national high tech Industrial Development Zone, Changzhou City, Jiangsu Province Patentee after: Jiangsu Xinyu Alstom Traction System Co.,Ltd. Address before: 213000 No. 199, Fenglin South Road, Wujin national high tech Industrial Development Zone, Changzhou City, Jiangsu Province Patentee before: BOMBARDIER NUG PROPULSION SYSTEM Co.,Ltd. |