CN209552280U - Anti-overflow device for foaming box body - Google Patents
Anti-overflow device for foaming box body Download PDFInfo
- Publication number
- CN209552280U CN209552280U CN201920003691.9U CN201920003691U CN209552280U CN 209552280 U CN209552280 U CN 209552280U CN 201920003691 U CN201920003691 U CN 201920003691U CN 209552280 U CN209552280 U CN 209552280U
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- Prior art keywords
- connecting rod
- box body
- electrical appliance
- appliance kit
- handle
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- 238000005187 foaming Methods 0.000 title claims abstract description 31
- 230000007246 mechanism Effects 0.000 claims description 3
- 230000007480 spreading Effects 0.000 claims description 3
- 238000003892 spreading Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 13
- 238000009434 installation Methods 0.000 abstract description 4
- 230000005574 cross-species transmission Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 238000013012 foaming technology Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model provides an anti-overflow device for box body foaming relates to electrical apparatus box body foaming technical field, has solved that exist among the prior art because there is the gap electrical apparatus box installation department, easily leads to the foaming material to spill over the technical problem that the box body is difficult to the clearance outward. This anti-overflow device includes locking handle, push rod structure and struts the structure, push rod structure sets up strut the both ends of structure, the locking handle passes through strut the structure with push rod structure is connected, and is rotatory the locking handle can pass through strut the structure and drive two push rod structure removes just towards opposite direction the last turn-ups lateral wall that does not set up of electrical apparatus box can pass through push rod structure compresses tightly on the shell of box body. The utility model is used for reduce overflowing of foaming material in the electrical apparatus box body.
Description
Technical field
The utility model relates to electric appliance box body foaming technique fields, more particularly, to a kind of anti-overflow dress for box body foaming
It sets.
Background technique
At present in electric appliance (such as water heater) box body production process, to ensure that heat preservation, heat-insulated etc. require, frequently with foaming
Technology.
In general, shell 7 is equipped with opening, opens as shown in Figure 1, box body includes the liner 8 of shell 7 and setting inside the shell
Electrical appliance kit 10 is provided at mouthful, and electrical appliance kit 10 is to be provided with and outer shell phase in square groove and the two side walls that are wherein oppositely arranged
The flange 101 of cooperation, electrical appliance kit 10 are connected by screw to shell 7, wherein screw passes through the flange 101 of electrical appliance kit 10 and outer
Electrical appliance kit 10 is fixed on shell 7 by shell 7, in addition, being also provided with a foamed material perfusing hole, liner 8 and shell on shell 7
The foamed formation middle layer of filling-foam material 9 is needed between 7, when foaming, in addition to 10 installation place of electrical appliance kit has the gap (electrical appliance kit 10
With the gap between shell 7) and a reserved foaming bottling mouth, remaining place sealed.But due to 10 phase of electrical appliance kit
To being not provided with flange on other two side wall of setting and the two side walls are directly abutted with 7 opening of shell, foaming process
In, foamed material 9 is easiest to overflow from the gap that electrical appliance kit 10 is not provided between the two side walls of flange and shell 7.
Applicants have discovered that at least there is following technical problem in the prior art:
It foams larger by such environmental effects such as temperature, since electrical appliance kit installation place has the gap, easily leads to and flash occur
Situation, foamed material are difficult to clear up, and influence production efficiency.
Utility model content
The purpose of this utility model is to provide a kind of anti-overflow devices for box body foaming, to solve to deposit in the prior art
Had the gap due to electrical appliance kit installation place, easily lead to foamed material and be spilled over to outside box body and be difficult to the technical issues of clearing up.This is practical
Many technical effects elaboration as detailed below that optimal technical scheme in many technical solutions of novel offer can be generated.
To achieve the above object, the utility model provides following technical scheme:
Anti-overflow device provided by the utility model for box body foaming, including set lever, pusher structure and strut
Structure, wherein the pusher structure is arranged in the both ends of the expanding structure, the set lever by the expanding structure with
The pusher structure is connected, and rotating the set lever can drive two pusher structures towards phase by the expanding structure
Anti- direction is mobile and electrical appliance kit on the side wall of not set flange the shell of the box body can be pressed on by the pusher structure
On.
Preferably, the spreading mechanism includes first connecting rod, the second connecting rod, connecting rod guide sleeve and spring, and described
One connecting rod, second connecting rod and the spring are respectively positioned in the connecting rod guide sleeve, the first connecting rod and described
Second connecting rod interval is arranged and the two is connected by the spring, and the set lever is set to the first connecting rod and institute
It states between the second connecting rod, deviates from the end of the set lever and second connecting rod on the first connecting rod
The end of the set lever is respectively connected with the pusher structure, rotate the set lever can drive the first connecting rod and
Second connecting rod performs relative motion or back movement.
Preferably, the set lever includes handle body and handle and connecting rod, the handle body and the handle and connecting rod
It is connected, the end on the handle and connecting rod far from the handle body is located at the first connecting rod and second connecting rod
Between, first connection can be adjusted by driving the handle and connecting rod to move along its axis direction by rotating the handle body
The distance between bar and second connecting rod.
Preferably, the handle and connecting rod includes con-rod only and connecting rod guide sleeve, and the connecting rod guide sleeve is set in the connecting rod
The peripheral and described connecting rod guide sleeve of ontology is threadedly coupled with the con-rod only, and the con-rod only is connected with the handle body
Connecing and rotating the handle body can drive the relatively described connecting rod guide sleeve of the con-rod only to rotate and can pass through the company
Bar body and connecting rod guide sleeve cooperation convert the rotary motion of the con-rod only to the linear motion along its axis direction.
Preferably, it is provided with external screw thread on the con-rod only, is provided on the connecting rod guide sleeve and the external screw thread phase
The internal screw thread of cooperation.
Preferably, the con-rod only includes the first linkage section and what is be connected with first linkage section second connect
Section, wherein first linkage section is cylindrical and is connected with the handle body, and second linkage section is in back taper,
End on second linkage section far from first linkage section be located at the first connecting rod and second connecting rod it
Between.
Preferably, the pusher structure is in inverted "L" shape.
Preferably, the pusher structure includes electrical appliance kit side wall auxiliary section and box body contact portion, rotates the locking hand
Handle can drive two pusher structures to move the electric appliance for making the pusher structure in the opposite direction by the expanding structure
Box side wall auxiliary section compresses the side wall of not set flange on the electrical appliance kit, the outer shell phase of the box body contact portion and the box body
It abuts.
Preferably, both electrical appliance kit side wall auxiliary section and described box body contact portion are fixedly connected or both as integral type
Connection.
Preferably, the one of face in electrical appliance kit side wall auxiliary section forms the contact surface abutted against with the electrical appliance kit,
The contact surface be inclined-plane and electrical appliance kit side wall auxiliary section thickness from the end that it connect with the box body contact portion extremely
End far from the box body contact portion is gradually reduced.
Preferably, separate on the end face to electrical appliance kit side wall auxiliary section of the shell on the box body contact portion
Distance of the vertical range of the end face of the box body contact portion no more than open end to the electrical appliance kit bottom of the electrical appliance kit.
Preferably, the connecting rod guide sleeve is formed by welding with the connecting rod guide sleeve and is connect.
Anti-overflow device provided by the utility model for box body foaming, including set lever, pusher structure and strut
Structure, wherein the both ends of expanding structure are arranged in pusher structure, and set lever is connected by expanding structure with pusher structure,
Rotation locking handle capable of being is moved in the opposite direction and not set on electrical appliance kit is turned over by expanding structure two pusher structures of drive
The side wall on side can be pressed on the shell of box body by pusher structure, reduce the gap between electrical appliance kit and the shell of box body,
It is overflowed to reduce foamed material from gap (gap between electrical appliance kit and shell), and then reduces employee and clear up foamed material
Labor intensity, and improve production efficiency.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of box body provided by the embodiment of the utility model；
Fig. 2 is the overall structure diagram of anti-overflow device provided by the embodiment of the utility model；
Fig. 3 is the top view of anti-overflow device provided by the embodiment of the utility model；
Fig. 4 is the cross-sectional view of anti-overflow device provided by the embodiment of the utility model；
Fig. 5 is the structural schematic diagram of the set lever (connecting rod guide sleeve is not shown) in the utility model embodiment.
Appended drawing reference: 1, set lever；11, hand and ontology；12, handle and connecting rod；121, the first linkage section；122, second connects
Connect section；13, connecting rod guide sleeve；2, first connecting rod；3, the second connecting rod；4, connecting rod guide sleeve；5, spring；6, pusher structure；61,
Electrical appliance kit side wall auxiliary section；611, contact surface；62, box body contact portion；7, shell；8, liner；9, foamed material；10, electrical appliance kit；
101, flange.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model
Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Obtained all other embodiment is put, the range that the utility model is protected is belonged to.
Referring to fig. 2~Fig. 5, the utility model provide a kind of anti-overflow device for box body foaming, including set lever
1, pusher structure 6 and expanding structure, wherein the both ends of expanding structure are arranged in pusher structure 6, and set lever 1 is by strutting
Structure is connected with pusher structure 6, and rotation set lever 1 can drive two pusher structures 6 towards opposite side by expanding structure
The side wall of not set flange can be by the way that on shell 7 that pusher structure 6 is pressed on box body, foaming be completed on mobile and electrical appliance kit 10
Afterwards, rotation set lever 1 can drive two pusher structures 6 towards the mobile energy in opposite direction by expanding structure in the opposite direction
Pusher structure 6 is released to the compression of the shell 7 of box body, to remove tooling (anti-overflow device).It is provided by the utility model anti-
Excessive device reduces the gap on electrical appliance kit 10 between the side wall of not set flange and the shell 7 of box body, to reduce foaming
Material 9 is overflowed from the gap, and then is reduced employee and cleared up the labor intensity of foamed material 9, and improve production efficiency.
Specifically, spreading mechanism includes first connecting rod 2, the second connecting rod 3, connecting rod guide sleeve 4 and (the pulling force bullet of spring 5
Spring), first connecting rod 2, the second connecting rod 3 and spring 5 are respectively positioned in connecting rod guide sleeve 4, first connecting rod 2 and the second connecting rod
3 interval settings and the two pass through spring 5 and connect, and set lever 1 is set between first connecting rod 2 and the second connecting rod 3, and first
Away from the end of set lever 1 (far from the end of the second connecting rod 3 namely on first connecting rod 2) and second in connecting rod 2
Away from the end of set lever 1, (far from the end of first connecting rod 2 in namely the second connecting rod 3) is fixed in connecting rod 3
It is connected with pusher structure 6, rotation lock handle 1 can drive first connecting rod 2 to perform relative motion with the second connecting rod 3 or mutually unlucky
It is dynamic, wherein when first connecting rod 2 and the second connecting rod 3 perform relative motion, spring 5 is elongated.
Set lever 1 in the utility model includes handle body 11 and handle and connecting rod, handle body 11 and handle and connecting rod
It is connected, the end on handle and connecting rod far from handle body 11 is located between first connecting rod 2 and the second connecting rod 3, rotates hand
Handle ontology 11 can be by driving handle and connecting rod to move along its axis direction to adjust between first connecting rod 2 and the second connecting rod 3
Distance.
Wherein, handle and connecting rod includes con-rod only 12 and connecting rod guide sleeve 13, and connecting rod guide sleeve 13 and connecting rod guide sleeve 4 pass through weldering
The mode connect forms connection, and connection is simple, and firm welding, connecting rod guide sleeve 13 is set in the periphery of con-rod only 12 and connecting rod guide sleeve
13 are threadedly coupled with con-rod only 12, and con-rod only 12 is connected with handle body 11 and rotating handle ontology 11 can drive connecting rod
Ontology 12 rotates with respect to connecting rod guide sleeve 13 and can be cooperated by con-rod only 12 and connecting rod guide sleeve 13 by con-rod only 12
Rotary motion is converted into the linear motion along its axis direction, specifically, external screw thread is provided on con-rod only 12, connecting rod guide sleeve
It is provided with the internal screw thread matched with external screw thread on 13, the interior spiral shell on the external screw thread and connecting rod guide sleeve 13 of con-rod only 12 can be passed through
The rotary motion of con-rod only 12 is converted the linear motion along its (con-rod only 12) axis direction by line cooperation.
As the utility model embodiment optionally embodiment, con-rod only 12 includes the first linkage section 121 and with the
The second linkage section 122 that one linkage section 121 is connected, wherein the first linkage section 121 is cylindrical and is connected with handle body 11
It connects, the second linkage section 122 is in back taper, and the end far from the first linkage section 121 is located at first connecting rod on the second linkage section 122
2 and second between connecting rod 3.As shown in figure 4, in use, the anti-overflow device provided by the utility model is placed in electrical appliance kit 10
Groove in, energy band fixed handle connecting rod is downward along its axis direction when along (or counterclockwise) direction rotating handle ontology 11 clockwise
Movement is so that first connecting rod 2 and the second connecting rod 3 make movement (back movement) in the opposite direction to strut the first company
The distance between extension bar 2 and the second connecting rod 3 make two pusher structures 6 be tightly attached to not set flange on electrical appliance kit 10 respectively
In two side walls, so that the side wall of two not set flange of electrical appliance kit 10 to be pressed on to the shell 7 of box body by pusher structure 6
On, it is locked using set lever 1；Certainly, after the completion of foaming, further along direction rotating handle ontology 11 counterclockwise (or clockwise)
Energy band fixed handle connecting rod is moved upwards along its axis direction so that first connecting rod 2 and the second connecting rod 3 are made towards opposite side
To movement (relative motion) to reduce the distance between first connecting rod 2 and the second connecting rod 3, make it possible to from electrical appliance kit 10
Inside remove the anti-overflow device.
As the utility model embodiment, optionally embodiment, pusher structure 6 are in inverted "L" shape.Specifically, pusher structure
6 include electrical appliance kit side wall auxiliary section 61 and box body contact portion 62, both electrical appliance kit side wall auxiliary section 61 and box body contact portion 62
It is fixedly connected or both and to be connected for integral type, rotation set lever 1 can be by expanding structure two pusher structures 6 of drive towards opposite
Direction movement be pressed on the electrical appliance kit side wall auxiliary section 61 of pusher structure 6 on electrical appliance kit 10 on the side wall of not set flange,
Box body contact portion 62 and the shell 7 of box body abut against.
The one of face in electrical appliance kit side wall auxiliary section 61 forms the contact surface 611 abutted against with electrical appliance kit 10, it is contemplated that electricity
The side wall of device box 10 is generally relatively thin, and after pusher structure 6 applies thrust to it, the side wall of electrical appliance kit 10 can deform, in order to subtract
Contact surface 611, is designed as thickness (the electrical appliance kit side of inclined-plane and electrical appliance kit side wall auxiliary section 61 by the deformation of 10 side wall of light electrical appliance kit
Wall auxiliary section 61 is the thickness of electrical appliance kit side wall auxiliary section 61 along the distance of 4 axis direction of connecting rod guide sleeve) it is connect with box body from it
End to its end far from box body contact portion 62 that contact portion 62 connects is gradually reduced, as shown in Figure 4, that is to say, that pusher structure
It is mainly what it connect with box body contact portion 62 after the side wall of 6 pairs of electrical appliance kits 10 applies thrust, on electrical appliance kit side wall auxiliary section 61
End is contacted with electrical appliance kit 10, mitigates the deformation of 10 side wall of electrical appliance kit, and contact surface 611 is the design on inclined-plane also for electric appliance
Apply bigger power at gap between box 10 and shell 7, also the contact between electrical appliance kit 10 and shell 7 can be made more preferable, from
And reduce the gap between electrical appliance kit 10 and shell 7.
As the utility model embodiment optionally embodiment, close to the end face of shell 7 to electricity on box body contact portion 62
The vertical range of end face on device box side wall auxiliary section 61 far from box body contact portion 62 no more than electrical appliance kit 10 open end to electricity
10 bottom of device box (electrical appliance kit 10 is in groove structure, be oppositely arranged with slot opening on groove structure be groove bottom, also
The bottom of electrical appliance kit 10) distance, contacted convenient for box body contact portion 62 with the shell 7 of box body, be also convenient for the electricity of pusher structure 6
Device box side wall auxiliary section 61 preferably applies thrust to the side wall of not set flange on electrical appliance kit 10.
It is main to realize the anti-overflow of the foamed material 9 between shell 7 and liner 8 by anti-overflow device provided by the utility model
Protection, when the temperature increases, foamed material 9 can expand, the side wall which passes through not set flange on reduction electrical appliance kit 10
Flash is reduced in gap between shell 7, to weaken influence of the environmental factor to foaming quality, in addition, reduce because
To the influence of productivity caused by flash, the production efficiency of box body is improved.
More than, only specific embodiment of the present utility model, but protection scope of the utility model is not limited thereto,
Anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation or replace
It changes, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with claim
Subject to protection scope.
Claims (12)
1. the anti-overflow device for box body foaming, which is characterized in that including set lever (1), pusher structure (6) and strut knot
Structure, wherein
The pusher structure (6) is arranged in the both ends of the expanding structure, the set lever (1) by the expanding structure with
The pusher structure (6) is connected, and two push rod knots can be driven by the expanding structure by rotating the set lever (1)
Structure (6) moves in the opposite direction and the side wall of not set flange can be compressed by the pusher structure (6) on electrical appliance kit (10)
On the shell (7) of the box body.
2. the anti-overflow device according to claim 1 for box body foaming, which is characterized in that the spreading mechanism includes the
One connecting rod (2), the second connecting rod (3), connecting rod guide sleeve (4) and spring (5), the first connecting rod (2), described second connect
Extension bar (3) and the spring (5) are respectively positioned in the connecting rod guide sleeve (4), the first connecting rod (2) and second connection
Bar (3) interval is arranged and the two is connected by the spring (5), and the set lever (1) is set to the first connecting rod (2)
Between second connecting rod (3), away from the end of the set lever (1) and described the on the first connecting rod (2)
End in two connecting rods (3) away from the set lever (1) is respectively connected with the pusher structure (6), rotates the locking hand
Handle (1) can drive the first connecting rod (2) and second connecting rod (3) performs relative motion or back movement.
3. the anti-overflow device according to claim 2 for box body foaming, which is characterized in that set lever (1) packet
Handle body (11) and handle and connecting rod are included, the handle body (11) is connected with the handle and connecting rod, on the handle and connecting rod
End far from the handle body (11) rotates institute between the first connecting rod (2) and second connecting rod (3)
State handle body (11) can be adjusted by driving the handle and connecting rod move along its axis direction the first connecting rod (2) and
The distance between described second connecting rod (3).
4. the anti-overflow device according to claim 3 for box body foaming, which is characterized in that the handle and connecting rod includes connecting
Bar body (12) and connecting rod guide sleeve (13), the connecting rod guide sleeve (13) are set in the peripheral and described company of the con-rod only (12)
Bar guide sleeve (13) is threadedly coupled with the con-rod only (12), and the con-rod only (12) is connected with the handle body (11)
And the rotation handle body (11) can drive the relatively described connecting rod guide sleeve (13) of the con-rod only (12) to rotate and energy
Cooperated by the con-rod only (12) with the connecting rod guide sleeve (13) and converts the rotary motion of the con-rod only (12) to
Along the linear motion of its axis direction.
5. the anti-overflow device according to claim 4 for box body foaming, which is characterized in that on the con-rod only (12)
It is provided with external screw thread, is provided with the internal screw thread matched with the external screw thread on the connecting rod guide sleeve (13).
6. the anti-overflow device according to claim 4 for box body foaming, which is characterized in that con-rod only (12) packet
The second linkage section (122) for including the first linkage section (121) and being connected with first linkage section (121), wherein described first
Linkage section (121) is cylindrical and is connected with the handle body (11), and second linkage section (122) is in back taper, institute
It states the end on the second linkage section (122) far from first linkage section (121) and is located at the first connecting rod (2) and described the
Between two connecting rods (3).
7. the anti-overflow device according to claim 1 for box body foaming, which is characterized in that the pusher structure (6) is in
Inverted "L" shape.
8. the anti-overflow device according to claim 7 for box body foaming, which is characterized in that pusher structure (6) packet
Electrical appliance kit side wall auxiliary section (61) and box body contact portion (62) are included, knot can be strutted by described by rotating the set lever (1)
Structure drives two pusher structures (6) mobile electrical appliance kit side wall auxiliary section for making the pusher structure (6) in the opposite direction
(61) side wall of not set flange on the electrical appliance kit (10), the shell of box body contact portion (62) and the box body are compressed
(7) it abuts against.
9. the anti-overflow device according to claim 8 for box body foaming, which is characterized in that the electrical appliance kit side wall cooperation
Both portion (61) and described box body contact portion (62) are fixedly connected or both to be connect for integral type.
10. the anti-overflow device according to claim 8 for box body foaming, which is characterized in that the electrical appliance kit side wall is matched
The one of face in conjunction portion (61) forms the contact surface (611) abutted against with the electrical appliance kit (10), and the contact surface (611) is oblique
The thickness of face and electrical appliance kit side wall auxiliary section (61) is from the end that it connect with the box body contact portion (62) to far from institute
The end for stating box body contact portion (62) is gradually reduced.
11. the anti-overflow device according to claim 8 for box body foaming, which is characterized in that the box body contact portion
(62) far from the box body contact portion (62) on the end face to electrical appliance kit side wall auxiliary section (61) of the shell (7) on
End face vertical range no more than the electrical appliance kit (10) open end to the electrical appliance kit (10) bottom distance.
12. the anti-overflow device according to claim 4 for box body foaming, which is characterized in that the connecting rod guide sleeve (13)
Form connection by welding with the connecting rod guide sleeve (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920003691.9U CN209552280U (en) | 2019-01-02 | 2019-01-02 | Anti-overflow device for foaming box body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920003691.9U CN209552280U (en) | 2019-01-02 | 2019-01-02 | Anti-overflow device for foaming box body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209552280U true CN209552280U (en) | 2019-10-29 |
Family
ID=68305345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920003691.9U Active CN209552280U (en) | 2019-01-02 | 2019-01-02 | Anti-overflow device for foaming box body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209552280U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113858523A (en) * | 2020-06-30 | 2021-12-31 | 青岛经济技术开发区海尔热水器有限公司 | Foaming plug |
-
2019
- 2019-01-02 CN CN201920003691.9U patent/CN209552280U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113858523A (en) * | 2020-06-30 | 2021-12-31 | 青岛经济技术开发区海尔热水器有限公司 | Foaming plug |
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