CN214581492U - Electric heater convenient to maintain - Google Patents
Electric heater convenient to maintain Download PDFInfo
- Publication number
- CN214581492U CN214581492U CN202120654642.9U CN202120654642U CN214581492U CN 214581492 U CN214581492 U CN 214581492U CN 202120654642 U CN202120654642 U CN 202120654642U CN 214581492 U CN214581492 U CN 214581492U
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- electric heater
- sliding
- main body
- heater main
- mounting plate
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- Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
Abstract
The application relates to an electric heater convenient to maintain, which comprises an electric heater main body, and further comprises a mounting plate, a limiting part, a slide rail, a second connecting part and a first connecting part, wherein the first connecting part is provided with a mounting hole and a clamping cavity, and the second connecting part comprises an elastic part, a clamping part and a connecting column provided with a sliding cavity; the first connecting part is arranged on the electric heater main body, the mounting plate is vertically fixed in the air conditioning box, the second connecting part is arranged on one side of the mounting plate, and the electric heater can be clamped into the clamping cavity on the first connecting part through the clamping piece in the second connecting part, so that the electric heater main body is fixed; in addition, the sliding rail is arranged at the bottom of the air conditioner box, the bottom of the electric heater main body can be respectively connected with the first sliding rail and the second sliding rail in a sliding manner, labor is saved in the installation process, and the electric heater is simple to install and disassemble, so that the electric heater is convenient to maintain.
Description
Technical Field
The application relates to the technical field of electric heaters, in particular to an electric heater convenient to maintain.
Background
At present, the electric heater in the central air conditioner is generally fixed by self-tapping screws, namely, the electric heater is fixed with the air conditioner shell by a plurality of self-tapping screws. The principle of the installation mode is simple, but the installation mode is inconvenient for the installation and the disassembly of the electric heater in the air conditioner shell, so that the subsequent maintenance of the electric heater by a maintenance worker is inconvenient.
Content of application
Technical problem to be solved
In order to solve the above problems, the present application provides an electric heater that is convenient to maintain.
(II) technical scheme
In order to achieve the above purpose, the present application provides the following technical solutions:
the utility model provides an electric heater of convenient maintenance installs in the air conditioning cabinet, includes the electric heater main part, still includes: the electric heater comprises a first connecting part, a mounting plate, a second connecting part and a slide rail, wherein the first connecting part is arranged on an electric heater main body; the mounting plate is vertically fixed in the air conditioning box; the second connecting part is arranged on one side of the mounting plate and can be connected with the first connecting part for fixing the electric heater main body; the sliding rail is arranged at the bottom of the air conditioning box and comprises a first sliding rail and a second sliding rail which are perpendicular to each other and are communicated, the second sliding rail is arranged perpendicular to the surface of the mounting plate, and the bottom of the electric heater main body can be respectively connected with the first sliding rail and the second sliding rail in a sliding manner; the electric heater main body can slide towards the inner side of the air conditioning box along the first slide rail, and the electric heater main body can slide towards the mounting plate along the second slide rail, so that the first connecting part and the second connecting part are fixedly connected.
Preferably, the first connecting part is provided with a mounting hole, and the inner side wall of the mounting hole is provided with a clamping cavity with an opening on the side surface; the second connection portion includes: the connecting column is provided with a sliding cavity with an opening on the side surface in the radial direction, the sliding cavity is arranged corresponding to the clamping cavity, and when the connecting column is completely embedded into the mounting hole, the opening of the sliding cavity is superposed with the opening of the clamping cavity; the other side of the mounting plate is provided with a sliding groove communicated with the sliding cavity; the joint spare slidable mounting is in the slip intracavity, and the joint spare first end can stretch out slip chamber opening and imbed the joint intracavity, and joint spare second end stretches out the sliding tray setting.
Preferably, a mounting part is arranged between the first end of the clamping piece and the second end of the clamping piece; the second connecting portion further includes: elastic component, elastic component locate the slip intracavity, and elastic component one end is connected with the slip chamber wall, and the other end is connected with the installation department of joint spare to make the first end of joint spare stretch out the slip chamber setting under the normal state, receive taking in the slip intracavity under the exogenic action when the first end of joint spare, the elastic component is in compression state this moment.
Preferably, the first end of the clamping piece is provided with a transition inclined plane, the inner side of the mounting hole is provided with a transition groove corresponding to the transition inclined plane, the transition groove is communicated with the clamping cavity, and the bottom of the transition groove is designed corresponding to the reverse inclined plane of the transition inclined plane.
Preferably, the mounting plate further comprises a limiting piece, the limiting piece is detachably mounted on one side, away from the connecting column, of the mounting plate, a sliding space is formed between the limiting piece and the plate surface of the mounting plate, and the sliding space is designed to be open towards the direction of the sliding groove; a limiting boss is arranged at the second end of the clamping piece, the limiting boss extends into the sliding space through the opening, one side of the limiting boss is abutted against the plate surface of the mounting plate, and the other side of the limiting boss is abutted against the limiting piece; the second end of the clamping piece is pushed to enable the limiting boss to move in the sliding space along the length direction of the sliding groove.
Preferably, the first slide rail is provided with a limiting plate.
Preferably, the slide rail cross section is bilateral symmetry 'L' type structure, and electric heater main part bottom is equipped with the base with slide rail complex, and the base is the setting of "T" type.
(III) advantageous effects
Compared with the prior art, the beneficial effects of this application are: the electric heater convenient to maintain comprises an electric heater main body, and further comprises a mounting plate, a limiting part, a sliding rail, a second connecting part and a first connecting part, wherein the first connecting part is provided with a mounting hole and a clamping cavity, and the second connecting part comprises an elastic part, a clamping part and a connecting column provided with a sliding cavity; the first connecting part is arranged on the electric heater main body, the mounting plate is vertically fixed in the air conditioning box, the second connecting part is arranged on one side of the mounting plate, and the electric heater can be clamped into the clamping cavity on the first connecting part through the clamping piece in the second connecting part, so that the electric heater main body is fixed; in addition, the sliding rail is arranged at the bottom of the air conditioning box, the bottom of the electric heater main body can be respectively connected with the first sliding rail and the second sliding rail in a sliding manner, and labor is saved in the installation process; therefore, the electric heater is simple to mount and dismount, and the electric heater is convenient to maintain.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application and not to limit the application, in which:
FIG. 1 shows a schematic structural diagram of an embodiment of the present application;
FIG. 2 shows a schematic structural diagram of a slide rail in an air conditioning box in an embodiment of the present application;
FIG. 3 shows a schematic structural view of an electric heater body in an embodiment of the present application;
fig. 4 is a schematic structural diagram illustrating a mounting plate, a limiting member and a second connecting portion according to an embodiment of the present disclosure;
FIG. 5 shows an internal cross-sectional view of the mounting plate and second attachment portion in an embodiment of the present application;
FIG. 6 shows a cross-sectional interior view of a mounting plate and attachment post in an embodiment of the present application;
fig. 7 shows a schematic structural diagram of a clip in an embodiment of the present application.
In the figure: 1 electric heater main part, 11 bases, 2 first connecting portion, 21 mounting holes, 211 transition groove, 22 joint chamber, 3 mounting panels, 31 sliding tray, 32 locating parts, 4 second connecting portions, 41 spliced poles, 411 sliding chamber, 42 joint parts, 421 joint part first ends, 422 joint part second ends, 423 installation part, 424 transition inclined planes, 425 spacing boss, 43 elastic parts, 5 first slide rails, 51 limiting plates, 6 second slide rails, 7 air-conditioning box.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1 to 7, the present application discloses an electric heater convenient for maintenance, installed in an air conditioning cabinet 7, including an electric heater body 1, further including: the electric heater comprises a first connecting part 2, a mounting plate 3, a second connecting part 4 and a slide rail, wherein the first connecting part 2 is arranged on an electric heater main body 1; the mounting plate 3 is vertically fixed in the air conditioning box 7; the second connecting part 4 is arranged on one side of the mounting plate 3, and the second connecting part 4 can be connected with the first connecting part 2 for fixing the electric heater main body 1; the slide rail is arranged at the bottom of the air conditioning box 7 and comprises a first slide rail 5 and a second slide rail 6 which are perpendicular to each other and are communicated, the second slide rail 6 is arranged perpendicular to the surface of the mounting plate 3, and the bottom of the electric heater main body 1 can be respectively connected with the first slide rail 5 and the second slide rail 6 in a sliding manner; the electric heater body 1 can slide along the first slide rail 5 towards the inner side of the air conditioning box 7, and the electric heater body 1 can slide along the second slide rail 6 towards the mounting plate 3, so that the first connecting part 2 and the second connecting part 4 are fixedly connected.
In the embodiment, the first connecting part 2 is arranged on the electric heater main body 1, the mounting plate 3 is arranged in the air-conditioning box 7, the second connecting part 4 is arranged on the mounting plate 3, the first connecting part 2 and the second connecting part 4 are detachably and fixedly connected, so that the electric heater main body 1 can be mounted and dismounted, and furthermore, the electric heater main body 1 can slide in the air-conditioning box 7 by arranging the slide rail, so that a maintainer does not need to lift the electric heater main body 1 all the time in the mounting or dismounting process, the maintainer does not need to consume too much labor, and convenience is brought to the maintainer; in addition, the electric heater main body 1 slides along the slide rail, and when the electric heater main body 1 is installed through the slide rail, the electric heater main body 1 is automatically positioned by the guide effect of the slide rail, so that the first connecting part 2 of the electric heater main body 1 and the second connecting part 4 on the mounting plate 3 are just positioned at proper positions, and a maintainer can fix the electric heater main body, and the operation of the maintainer on the electric heater main body is simpler and more trouble-saving.
Specifically, when the maintenance personnel need to install the electric heater main body 1, the bottom of the electric heater main body 1 can be matched in the track of the first slide rail 5, then the electric heater main body 1 is pushed towards the inner side of the air conditioning box 7, after the electric heater main body 1 is pushed to the through position of the first slide rail 5 and the second slide rail 6, the electric heater main body 1 is pushed into the second slide rail 6, then the electric heater main body 1 is continuously pushed to slide along the second slide rail 6, when the electric heater main body is pushed to the proper position of the first connecting portion 2, the pushing is stopped, then the first connecting portion 2 and the second connecting portion 4 are connected and fixed, and therefore the electric heater main body 1 can be installed and fixed.
When the maintainer needs to dismantle and maintain the electric heater main body 1, the first connecting part 2 and the second connecting part 4 can be firstly dismantled, then the electric heater main body 1 is pushed to slide to the first slide rail 5 from the second slide rail 6, then the electric heater main body slides towards the direction far away from the air conditioner box 7 from the first slide rail 5 until the electric heater main body slides out of the air conditioner box 7, and at the moment, the maintainer can maintain the electric heater main body 1.
Specifically, the first connecting part 2 is provided with a mounting hole 21, and the inner side wall of the mounting hole 21 is provided with a clamping cavity 22 with an opening on the side surface; the second connection portion 4 includes: one end of the connecting column 41 is fixedly connected to one side of the mounting plate 3, the other end of the connecting column 41 can be embedded into the mounting hole 21, the connecting column 41 is provided with a sliding cavity 411 with an opening on the side surface in the radial direction, the sliding cavity 411 is arranged corresponding to the clamping cavity 22, when the connecting column 41 is completely embedded into the mounting hole 21, the opening of the sliding cavity 411 is overlapped with the opening of the clamping cavity 22, and the other side of the mounting plate 3 is provided with a sliding groove 31 communicated with the sliding cavity 411; the clamping member 42 is slidably mounted in the sliding cavity 411, and the first end 421 of the clamping member can extend out of the opening of the sliding cavity 411 and be embedded in the clamping cavity 22, and the second end 422 of the clamping member extends out of the sliding groove 31.
Further, a mounting portion 423 is disposed between the first end 421 and the second end 422 of the clamping member; second connecting portion 4 still includes elastic component 43, and in sliding chamber 411 was located to elastic component 43, and elastic component 43 one end was connected with sliding chamber 411 chamber wall, and the other end is connected with the installation department 423 of joint piece 42 to make the first end 421 of joint piece stretch out sliding chamber 411 setting under the normality, receive in sliding chamber 411 when the first end 421 of joint piece under receiving the exogenic action, elastic component 43 was in compression state this moment.
In this embodiment, when the maintainer needs to fix the first connecting portion 2 and the second connecting portion 4, the electric heater main body 1 may be pushed to slide in the second slide rail 6 toward the second connecting portion 4, and in the sliding process, when the first connecting portion 2 on the electric heater main body 1 slides to be abutted to the connecting column 41, the maintainer may push the second end 422 of the clamping member, so that the first end 421 of the clamping member retreats into the sliding cavity 411, and at this time, the elastic member 43 is compressed; then, the electric heater main body 1 is continuously pushed, and when the connecting column 41 is completely embedded into the mounting hole 21 of the first connecting part 2, the electric heater main body 1 is stopped being pushed; at this moment, the opening of the clamping cavity 22 on the first connecting part 2 coincides with the opening of the sliding cavity 411 on the connecting column 41, the maintenance personnel can loosen the second end 422 of the clamping part, at this moment, the first end 421 of the clamping part moves to the clamping cavity 22 on the connecting column 41 under the action of the elastic part 43, and at this moment, the electric heater main body 1 is installed and fixed.
When the maintainer needs to dismantle and maintain electric heater main part 1, the maintainer can directly and manually promote joint spare second end 422, treat that joint spare first end 421 is promoted to the back in the sliding cavity 411, the maintainer can promote electric heater main part 1 and slide towards first slide rail 5, treat that electric heater main part 1 slides to the back in the first slide rail, promote its orientation again and keep away from the direction slip of air conditioner case 7, treat that electric heater main part 1 slides to the air conditioner case 7 when outer, the maintainer can maintain electric heater main part 1. In addition, this embodiment sets up a plurality of joint chambeies 22, a plurality of slip chambeies 411, a plurality of joint spare 42 and a plurality of elastic component 43 through the symmetry, and when first connecting portion 2 and second connecting portion 4 were fixed, produced fixed power more increased, made electric heater main part 1 fixed more firm, fixed effect is better.
Generally speaking, this embodiment through setting up first connecting portion 2 and second connecting portion 4, becomes comparatively simple and convenient with the installation of electric heater main part 1 in air-conditioning box 7 and the operation process of dismantlement, in addition, through setting up the slide rail, makes its electric heater main part 1 when installation and dismantlement, and the strength that consumes is also comparatively less, brings the convenience for maintainer's maintenance.
Further, a transition inclined surface 424 is arranged at the first end 421 of the clamping member, a transition groove 211 is arranged on the inner side of the mounting hole 21 corresponding to the transition inclined surface 424, the transition groove 211 is communicated with the clamping cavity 22, and the groove bottom of the transition groove 211 is designed to correspond to the reverse inclined surface of the transition inclined surface 424.
According to the use method, when a maintainer installs the electric heater main body 1 and the first connecting part 2 is about to abut against the connecting column 41, the maintainer needs to push the second end 422 of the clamping part in advance to enable the first end 421 of the clamping part to completely retreat into the clamping cavity 22, and the maintainer can continue to push the electric heater main body 1 to enable the connecting column 41 to be embedded into the mounting hole 21 of the first connecting part 2;
in order to solve the problem, in this embodiment, the first end 421 of the clip is provided with the transition slope 424, the inner side of the mounting hole 21 is provided with the transition groove 211, when a maintenance worker mounts the electric heater main body 1, the electric heater main body 1 can be directly pushed, after the slope of the transition groove 211 inside the mounting hole 21 abuts against the transition slope 424 of the first end 421 of the clip, the electric heater main body 1 is continuously pushed, the first end 421 of the clip is retreated by the force exerted by the slope of the bottom of the transition groove 211 inside the mounting hole 21, along with the movement of the electric heater main body 1, the first end 421 of the clip is retreated all the time, when the opening of the clip cavity 22 inside the mounting hole 21 coincides with the opening of the sliding cavity 411 on the connecting post 41, the clip 42 is not stressed, and the first end 421 of the clip is moved into the clip cavity 22 under the action of the elastic member 43, that is, the mounting of the electric heater main body 1 is realized, this kind of setting, in the installation to electric heater main part 1, maintainer need not to promote joint spare second end 422 in advance, also can install it to maintainer's operating procedure has been reduced, thereby brings the convenience for maintainer to electric heater main part 1's installation.
Furthermore, the structure further comprises a limiting piece 32, wherein the limiting piece 32 is detachably mounted on one side of the mounting plate 3 away from the connecting column 41, a sliding space is formed between the limiting piece 32 and the plate surface of the mounting plate 3, and the sliding space is designed to be open towards the direction of the sliding groove 31; a limiting boss 425 is arranged at the second end 422 of the clamping piece, the limiting boss 425 extends into the sliding space through the opening, one side of the limiting boss 425 is abutted against the plate surface of the mounting plate 3, and the other side of the limiting boss 425 is abutted against the limiting piece 32; in this embodiment, the limiting boss 425 is in clearance fit with the sliding space to ensure that the limiting boss 425 can slide in the sliding space; pushing the second end 422 of the clip member can move the limiting projection 425 along the length direction of the sliding groove 31 in the sliding space.
This embodiment is through setting up locating part 32, when maintainer promoted joint spare second end 422, spacing joint spare second end 422 carries on, makes joint spare second end 422 only can slide along sliding tray 31 length direction, and can not rock in sliding tray 31 degree of depth direction production, makes the slip of joint spare 42 more stable.
Further, be equipped with limiting plate 51 on first slide rail 5, in this embodiment, when electric heater main part 1 slides to second slide rail 6 by first slide rail 5, there is not limiting plate 51, maintainer need oneself observe whether electric heater main part 1 base 11 cooperates with the track of second slide rail 6, just can promote electric heater main part 1, make it slide to in the second slide rail 6, and through set up limiting plate 51 on first slide rail 5, when electric heater main part 1 does not push on first slide rail 5, electric heater main part 1's base 11 just is in the state with the track cooperation of second slide rail 6, at this moment, maintainer need oneself go to observe again, can carry out the secondary promotion to electric heater main part 1, this kind of setting provides convenience for maintainer to the electric heater main part 1 slip in the slide rail.
Further, the slide rail cross section is bilateral symmetry 'L' type structure, and electric heater main part 1 bottom is equipped with and slide rail complex base 11, and base 11 is the setting of "T" type.
Because the electric heater main part 1 can produce vibrations when the during operation, so, this embodiment sets up the slide rail into symmetrical "L" type structure, and when the electric heater main part 1 was fixed, its base 11 was located the slide rail, because the setting of slide rail to restricted electric heater main part 1 and rocked in upper and lower direction, made the fixed effect of its electric heater main part 1 better.
It should also be noted that while the embodiments of the present application have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the application, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an electric heater of convenient maintenance, installs in air conditioning cabinet (7), includes electric heater main part (1), its characterized in that still includes:
a first connection part (2), wherein the first connection part (2) is arranged on the electric heater main body (1);
the mounting plate (3), the said mounting plate (3) is fixed in the said air-conditioning box (7) vertically;
the second connecting part (4), the second connecting part (4) is arranged on one side of the mounting plate (3), and the second connecting part (4) can be connected with the first connecting part (2) for fixing the electric heater main body (1);
the sliding rails are arranged at the bottom of the air conditioning box (7), the sliding rails comprise a first sliding rail (5) and a second sliding rail (6) which are perpendicular to each other and are communicated, the second sliding rail (6) is perpendicular to the surface of the mounting plate (3), and the bottom of the electric heater main body (1) can be respectively connected with the first sliding rail (5) and the second sliding rail (6) in a sliding manner;
the electric heater main body (1) can slide towards the inner side of the air conditioning box (7) along the first slide rail (5), and the electric heater main body (1) can slide towards the mounting plate (3) along the second slide rail (6) so that the first connecting part (2) and the second connecting part (4) are fixedly connected.
2. The electric heater convenient for maintenance according to claim 1, characterized in that the first connecting part (2) is provided with a mounting hole (21), and the inner side wall of the mounting hole (21) is provided with a clamping cavity (22) with an opening at the side surface;
the second connection portion (4) includes:
the connecting column (41), one end of the connecting column (41) is fixedly connected to one side of the mounting plate (3), the other end of the connecting column can be embedded into the mounting hole (21), the connecting column (41) is provided with a sliding cavity (411) with an opening on the side in the radial direction, the other side of the mounting plate (3) is provided with a sliding groove (31) communicated with the sliding cavity (411), the sliding cavity (411) is correspondingly arranged with the clamping cavity (22), and when the connecting column (41) is completely embedded into the mounting hole (21), the opening of the sliding cavity (411) coincides with the opening of the clamping cavity (22);
joint spare (42), joint spare (42) slidable mounting be in sliding chamber (411), just joint spare first end (421) can stretch out sliding chamber (411) opening and embedding in joint chamber (22), joint spare second end (422) stretches out sliding tray (31) set up.
3. The electric heater convenient for maintenance according to claim 2, wherein a mounting portion (423) is arranged between the first end (421) of the clamping member and the second end (422) of the clamping member;
the second connection portion (4) further includes:
elastic component (43), elastic component (43) are located in sliding chamber (411), just elastic component (43) one end with sliding chamber (411) chamber wall is connected, the other end with installation department (423) of joint spare (42) are connected, so that the first end of joint spare (421) stretches out under the normality sliding chamber (411) set up, work as the first end of joint spare (421) receive under the exogenic action accomodate in sliding chamber (411), this moment elastic component (43) are in the compression state.
4. The electric heater convenient for maintenance according to claim 3, wherein the first end (421) of the clip member is provided with a transition inclined surface (424), the inner side of the mounting hole (21) is provided with a transition groove (211) corresponding to the transition inclined surface (424), the transition groove (211) is communicated with the clip cavity (22), and the bottom of the transition groove (211) is designed to correspond to the reverse inclined surface of the transition inclined surface (424).
5. The electric heater convenient for maintenance according to claim 3, further comprising a limiting member (32), wherein the limiting member (32) is detachably mounted on one side of the mounting plate (3) far away from the connecting column (41), and the limiting member (32) and the plate surface of the mounting plate (3) form a sliding space, and the sliding space is open towards the sliding groove (31);
a limiting boss (425) is arranged at the second end (422) of the clamping piece, the limiting boss (425) extends into the sliding space through the opening, one side of the limiting boss (425) is abutted against the plate surface of the mounting plate (3), and the other side of the limiting boss (425) is abutted against the limiting piece (32);
the second end (422) of the clamping piece is pushed, so that the limiting boss (425) can move in the sliding space along the length direction of the sliding groove (31).
6. An electric heater convenient for maintenance according to claim 1, wherein the first sliding rail (5) is provided with a limiting plate (51).
7. The electric heater convenient for maintenance according to claim 1, wherein the cross section of the sliding rail is an inverted L-shaped structure with two symmetrical sides, a base (11) matched with the sliding rail is arranged at the bottom of the electric heater main body (1), and the base (11) is arranged in an inverted T shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120654642.9U CN214581492U (en) | 2021-03-31 | 2021-03-31 | Electric heater convenient to maintain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120654642.9U CN214581492U (en) | 2021-03-31 | 2021-03-31 | Electric heater convenient to maintain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214581492U true CN214581492U (en) | 2021-11-02 |
Family
ID=78356689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120654642.9U Expired - Fee Related CN214581492U (en) | 2021-03-31 | 2021-03-31 | Electric heater convenient to maintain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214581492U (en) |
-
2021
- 2021-03-31 CN CN202120654642.9U patent/CN214581492U/en not_active Expired - Fee Related
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211102 |