CN209320700U - Well word box-shaped washboard - Google Patents
Well word box-shaped washboard Download PDFInfo
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- CN209320700U CN209320700U CN201821513499.6U CN201821513499U CN209320700U CN 209320700 U CN209320700 U CN 209320700U CN 201821513499 U CN201821513499 U CN 201821513499U CN 209320700 U CN209320700 U CN 209320700U
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- 241000510097 Megalonaias nervosa Species 0.000 title abstract 7
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 239000002828 fuel tank Substances 0.000 claims abstract description 9
- 238000002844 melting Methods 0.000 claims description 17
- 230000008018 melting Effects 0.000 claims description 9
- 230000003746 surface roughness Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 10
- 239000012530 fluid Substances 0.000 description 12
- 230000002265 prevention Effects 0.000 description 6
- 238000005520 cutting process Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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- Feeding And Controlling Fuel (AREA)
Abstract
The utility model discloses a kind of well word box-shaped washboards, which includes washboard ontology, and evacuation oil pump region up and down is formed in the middle part of washboard ontology；Wherein, washboard ontology includes with the multiple transverse plates and multiple longitudinal plates of groined type cross-fixing to form multiple box-shaped regions, transverse plate and longitudinal plate are vertically arranged, transverse plate and longitudinal plate at least two at delivery position be connected with the bindiny mechanism for connecting fuel tank upper wall and/or lower wall.The more traditional washboard of well word box-shaped washboard can significantly promote the wave resistance effect of fuel tank.
Description
Technical Field
The utility model relates to an automobile oil tank part specifically relates to groined type square shape wave breaker.
Background
The oil tank of car is used for loading petrol, but in the use, the start-up of car or brake can make inside fuel produce and rock, and the noise of giving off sends out, uses the wave breaker can restrain the fuel effectively and rock and produce the surge phenomenon, and current wave breaker is simple usually and uses the baffle to fix at the oil tank inside wall, and the high requirement that the wave breaker effect can't satisfy client, and stability is weak.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a groined square shape wave breaker, this groined square shape wave breaker can the unrestrained effect of the promotion oil tank of very big degree than traditional wave breaker.
In order to achieve the purpose, the utility model provides a well-shaped square wave-proof plate, which comprises a wave-proof plate body, wherein the middle part of the wave-proof plate body is provided with an oil pump avoiding area which is communicated up and down; the breakwater body comprises a plurality of transverse plates and a plurality of longitudinal plates which are fixed in a cross mode in a groined shape to form a plurality of square-shaped areas, the transverse plates and the longitudinal plates are vertically arranged, and connecting mechanisms for connecting the upper wall and/or the lower wall of the oil tank are fixedly connected at least two connecting positions of the transverse plates and the longitudinal plates.
Preferably, the connecting mechanism comprises a column body, the column body is embedded in the transverse plate and the longitudinal plate by taking an intersection line of the transverse plate and the longitudinal plate as an axis, the end parts of the transverse plate and the longitudinal plate facing the column body are fixedly connected to the side wall of the column body, and a first overflow hole is formed in the center of the column body.
Preferably, a plurality of first hot melting bump structures are uniformly arranged on two end faces of the column body in the circumferential direction around the first flash hole; the diameter of the first hot-melting salient point structure is 1.5-2mm, the height of the first hot-melting salient point structure is 1.5-2.0 mm, and the number of the first hot-melting salient point structures is 90-150.
Preferably, the outer diameter of the column body is gradually increased from top to bottom, and the diameter of the top of the column body is 50-70 mm.
Preferably, the end part of the transverse plate and/or the longitudinal plate facing the inner wall of the oil tank is provided with a profile matched with the shape of the inner wall of the oil tank and forms a gap with the inner wall of the oil tank, and the end part of the transverse plate and/or the longitudinal plate facing the oil avoidance pump area is provided with a profile matched with the shape of the outer wall of the oil pump and forms a gap with the outer wall of the oil pump.
Preferably, horizontal plates are fixedly connected to the inner parts of a plurality of square areas formed by enclosing of the transverse plates and the longitudinal plates, a plurality of holes are formed in each horizontal plate, the diameter of each hole is 6-16 mm, and the sum of the areas of all the holes in each horizontal plate is 15-50% of the area of the corresponding horizontal plate.
Preferably, a plurality of the transverse plates are evenly and centrally arranged along the width direction of the oil tank in an equally-divided mode, and a plurality of the longitudinal plates are evenly and centrally arranged along the length direction of the oil tank in an equally-divided mode.
Preferably, the wall thickness of the transverse plates and the longitudinal plates is 1-2.5mm, and the side length of the square area formed by the transverse plates and the longitudinal plates is 80-200 mm.
Preferably, the wall thickness of the transverse plates and the longitudinal plates is 1-2.5mm, the side length of a square area formed by the transverse plates and the longitudinal plates is 80-200mm, and the length-width ratio of the square area is 1: 1-2: 1.
preferably, both side surfaces of the transverse plates and the longitudinal plates are smooth surfaces, and the surface roughness of both side surfaces of the transverse plates and the longitudinal plates is 0.4 to 12.5 μm.
Preferably, the connecting mechanism comprises a cylinder body and a cover plate, the cylinder body is embedded in the transverse plate and the longitudinal plate by taking an intersection line of the transverse plate and the longitudinal plate as an axis, and the ends, facing the cylinder body, of the transverse plate and the longitudinal plate are fixedly connected to the side wall of the cylinder body; the center of the cover plate is provided with a second overflow hole, one end of the cover plate can be detachably spliced and clamped in the cylinder body, and a plurality of second hot melting bump structures are uniformly arranged on the end face of the other end of the cover plate in the circumferential direction around the second overflow hole.
According to the technical scheme, the middle part of the wave-proof plate body of the utility model is provided with an up-down through oil pump avoiding area; the breakwater body comprises a plurality of transverse plates and a plurality of longitudinal plates which are fixed in a cross mode in a groined shape to form a plurality of square-shaped areas, the transverse plates and the longitudinal plates are vertically arranged, and connecting mechanisms for connecting the upper wall and/or the lower wall of the oil tank are fixedly connected at least two connecting positions of the transverse plates and the longitudinal plates. Form a plurality of regions through the regional fluid of cutting apart of groined square that horizontal board and vertical board enclose in the oil tank, the fluid bottom in a plurality of regions is linked together, wave stroke on the in-process water level of fluid on the automobile goes has been reduced through such mode, thereby can reduce the impact force of fluid and oil tank wall, further the fluctuation degree that can slow down fluid, compare in traditional wave prevention board, this groined square shape wave prevention board has strengthened holistic intensity by a wide margin through the whole cross design that is groined square shape, and service life is higher, assemble also simpler in addition, traditional wave prevention board then needs single baffle to separately fix the inner wall at the oil tank, the technology shaping is complicated. The # -shaped square wave-proof plate is integrally attached to the top wall of the oil tank and then fixed to the top wall of the oil tank through the connecting mechanism.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of the overall structure of a preferred embodiment of the Chinese character jing-shaped square wave-proof plate of the present invention.
Description of the reference numerals
1 transverse plate 2 longitudinal plate
3 cylinder 4 avoiding oil pump area
5 horizontal plate 6 first flash hole
7 first hot melting salient point structure
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
In the present invention, unless otherwise specified, the terms "upper, lower, left, right, front, rear, inner, and outer" and the like included in the terms refer to the orientation of the terms in the normal use state or the common names understood by those skilled in the art, and should not be construed as limiting the terms.
Referring to fig. 1, the cross-shaped square wave-proof plate includes a wave-proof plate body, and an oil pump avoidance region 4 which is through up and down is formed in the middle of the wave-proof plate body; the breakwater body comprises a plurality of transverse plates 1 and a plurality of longitudinal plates 2 which are fixed in a cross mode in a groined shape to form a plurality of square-shaped areas, the transverse plates 1 and the longitudinal plates 2 are vertically arranged, and connecting mechanisms for connecting the upper wall and/or the lower wall of the oil tank are fixedly connected at least two connecting positions of the transverse plates 1 and the longitudinal plates 2.
Through the implementation of the technical scheme, the middle part of the wave-proof plate body is provided with the vertically through oil avoiding pump area 4; the breakwater body comprises a plurality of transverse plates 1 and a plurality of longitudinal plates 2 which are fixed in a cross mode in a groined shape to form a plurality of square-shaped areas, the transverse plates 1 and the longitudinal plates 2 are vertically arranged, and connecting mechanisms for connecting the upper wall and/or the lower wall of the oil tank are fixedly connected at least two connecting positions of the transverse plates 1 and the longitudinal plates 2. Form a plurality of regions through the regional fluid of cutting apart of the groined square that horizontal board 1 and vertical board 2 enclose in the oil tank, the fluid bottom in a plurality of regions is linked together, wave stroke on the in-process water plane of fluid at the automobile driving has been reduced through such mode, thereby can reduce the impact force of fluid and oil tank wall, further the fluctuation degree that can slow down fluid, compare in traditional wave prevention board, this groined square shape wave prevention board has strengthened holistic intensity by a wide margin through the whole cross design that is groined square shape, and long service life is higher, assemble also simpler in addition, traditional wave prevention board then needs single baffle to part to fix the inner wall at the oil tank, the technology shaping is complicated. The # -shaped square wave-proof plate is integrally attached to the top wall of the oil tank and then fixed to the top wall of the oil tank through the connecting mechanism. The # -shaped square wave-proof plate is integrally attached to the top wall of the oil tank and then fixed to the top wall of the oil tank through the connecting mechanism. The cross section of a # -shaped square area surrounded by the transverse plates 1 and the longitudinal plates 2 is of a rectangular or quasi-rectangular structure, and the planes of the transverse plates 1 and/or the longitudinal plates 2 can be slightly adjusted adaptively according to the internal structure in the actual production process. The effect of dodging the oil pump region is for dodging the oil pump region of placing below the oil tank hole, avoids horizontal board 1 and/or vertical board 2 to exert an influence to the oil pump, and the front end and the rear end of placing the oil pump region can set up to connect also can set up to not connect, and when the front end and the rear end of placing the oil pump region set up to not connecting, whole well square shape wave breaker formed left first half and the second half on right side.
In this embodiment, in order to further provide a connection mechanism and a fixing manner of the connection mechanism, preferably, the connection mechanism includes a column 3, the column 3 is embedded in the transverse plate 1 and the longitudinal plate 2 with an intersection line of the transverse plate 1 and the longitudinal plate 2 as an axis, ends of the transverse plate 1 and the longitudinal plate 2 facing the column 3 are fixedly connected to a side wall of the column 3, and a first overflow hole 6 is disposed in a center of the column 3. The cross-connection position of the transverse plate 1 and the longitudinal plate 2 is a cross-shaped structure, a position of the column body 3 is required to be arranged, a notch is arranged at a position, close to a cross-connection line of the transverse plate 1 and the longitudinal plate 2, the center lines of the two notches coincide with the cross-connection line, the side edge of the notch is matched with the side surface of the column body 3, the side edge of the notch is welded on the side wall of the column body 3 to be reinforced and fixed, and finally, the top wall, penetrating through an oil tank through screws matched with the first overflow holes 6, of the notch is screwed in the first overflow holes 6 to fix the whole # -. The number of the columns 3 in actual production depends on the size of the fuel tank, and is usually not less than 4. The bottom of the recess may be bottomless or bottomed, depending on the actual requirements for the fixing of the cylinder 3 to the upper and/or lower wall of the tank.
In the embodiment, in order to avoid damage caused by contact between the transverse plate 1 or the longitudinal plate 2 and the top wall of the fuel tank due to the fact that the top of the cylinder 3 is close to the top wall of the fuel tank, the buffer effect is increased, and in addition, in order to enhance the fixing strength, a plurality of first hot melting bump structures 7 are uniformly arranged on two end surfaces of the cylinder 3 in the circumferential direction around the first flash hole 6; after the screw is installed, the first heat melting salient point structure 7 is melted through local heating, so that the cylinder can be better fixed on the upper wall and/or the lower wall of the oil tank. In order to facilitate the melting of the melting bump structures 7, the diameter of the first hot melting bump structures 7 is 1.5-2mm, the height is 1.5-2.0 mm, and the number is 90-150.
In this embodiment, in order to enhance the stability of the fixing of the transverse plates 1 and the longitudinal plates 2 on the column body 3, it is preferable that the outer diameter of the column body 3 is gradually increased from top to bottom, and the diameter of the top of the column body 3 is 50-70 mm. . The whole column 3 is wide at the bottom and narrow at the upper part to form a barb to lift the transverse plates 1 and the longitudinal plates 2 upwards.
In this embodiment, in order to further match the whole # -shaped square wave-proof plate area close to the evasion oil pump area 4 and the side wall of the oil tank with the oil tank and its surrounding accessories, preferably, the end of the transverse plate 1 and/or the longitudinal plate 2 facing the inner wall of the oil tank is provided with a profile matched with the shape of the inner wall of the oil tank and a gap is formed between the end and the outer wall of the oil tank, and the end of the transverse plate 1 and/or the longitudinal plate 2 facing the evasion oil pump area 4 is provided with a profile matched with the shape of the outer wall of the oil pump and a gap is formed between the end and the outer wall of the. Set up to the profile that also can follow the flow direction of fluid and can reduce fluid and horizontal board 1 or vertical board 2 with oil pump outer wall shape or oil tank inner wall shape assorted profile on the one hand, reduce the noise, on the other hand also can effectual increase wave-proof effect, in addition, dodge can increase the bounding wall around the oil pump region 4 and will dodge oil pump region 4 and horizontal board 1 and/vertical board 2 and separate, the bounding wall dorsad dodges one side rigid coupling of oil pump region 4 on horizontal board 1 or vertical board 2.
In this embodiment, in order to further increase the wave-breaking effect, preferably, a horizontal plate 5 is fixed to an inner portion of a plurality of square areas formed by the horizontal plates 1 and the longitudinal plates 2, the horizontal plate 5 is provided with a plurality of openings, the diameter of each opening is 6-16 mm, and the sum of the areas of all the openings on each horizontal plate 5 is 15-50% of the area of the corresponding horizontal plate 5.
In this embodiment, in order to further realize the assembly of the transverse plate 1 and the longitudinal plate 2, the bottom edge of the transverse plate 1 is formed with a plurality of first locking grooves along the length direction thereof, the top edge of the longitudinal plate 2 is formed with a plurality of second locking grooves along the length direction thereof, and the corresponding first locking grooves and second locking grooves on the transverse plate 1 and the longitudinal plate 2 are crisscross-engaged and welded. The upper and lower ends of the engaged transverse plate 1 and longitudinal plate 2 at the engaged position should be kept aligned.
In this embodiment, in order to further improve the wave-breaking effect, it is preferable that the plurality of transverse plates 1 are equally and uniformly arranged in the center along the width direction of the fuel tank, and the plurality of longitudinal plates 2 are equally and uniformly arranged in the center along the length direction of the fuel tank. The plurality of transverse plates 1 and the plurality of longitudinal plates 2 are arranged at equal intervals except the areas to be avoided, and the centers of the plurality of transverse plates 1 and the centers of the plurality of longitudinal plates 2 are concentric with the oil tank, namely, the centers of the plurality of transverse plates 1 and the plurality of longitudinal plates 2 are arranged in the middle, so that the stability of the wave protection plate in the oil tank can be improved, and the wave protection effect is further improved.
In this embodiment, in order to further improve the wave-breaking effect, it is preferable that the wall thickness of the transverse plates 1 and the longitudinal plates 2 is 1-2.5mm, the side length of the square area formed by the transverse plates 1 and the longitudinal plates 2 is 80-200mm, and the aspect ratio of the square area is 1: 1-2: 1.
in this embodiment, in order to make the transverse plates 1 and the longitudinal plates 2 easily demolded, it is preferable that both side surfaces of the transverse plates 1 and the longitudinal plates 2 are smooth surfaces, and the surface roughness of both side surfaces of the transverse plates 1 and the longitudinal plates 2 is 0.4 to 12.5 μm.
In this embodiment, in order to further provide a structural manner of the connection mechanism, preferably, the connection mechanism includes a cylinder 8 and a cover plate 9, the cylinder 8 is embedded in the transverse plate 1 and the longitudinal plate 2 simultaneously with the intersection line of the transverse plate 1 and the longitudinal plate 2 as an axis, and the ends of the transverse plate 1 and the longitudinal plate 2 facing the cylinder 8 are fixed to the side wall of the cylinder 8; a second overflow hole 11 is formed in the center of the cover plate 9, one end of the cover plate 9 can be detachably inserted and clamped in the cylinder 8, and a plurality of second hot-melting bump structures 10 are uniformly arranged on the end face of the other end of the cover plate in the circumferential direction around the second overflow hole 11. Wherein, the lateral wall of barrel 8 is provided with a plurality of buckle holes, is provided with a plurality of push type buckles corresponding to the buckle hole on the apron 9 lateral wall, can follow the downthehole dismantlement of buckle with the push type buckle through inwards pressing down the push type buckle. The second flash hole 11 and the second thermal bump structure 10 have the same structure and principle as the first flash hole 6 and the first thermal bump structure 7, and are not described in detail herein.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.
In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.
Claims (10)
1. A # -shaped square wave-proof plate is characterized by comprising a wave-proof plate body, wherein an oil pump avoiding region (4) which is communicated up and down is formed in the middle of the wave-proof plate body; wherein,
the breakwater body comprises a plurality of transverse plates (1) and a plurality of longitudinal plates (2) which are fixed in a cross mode in a shape like a Chinese character 'jing', so that a plurality of square areas are formed, the transverse plates (1) and the longitudinal plates (2) are vertically arranged, and connecting mechanisms for connecting the upper wall and/or the lower wall of an oil tank are fixedly connected to at least two connecting positions of the transverse plates (1) and the longitudinal plates (2).
2. The Chinese character jing-shaped square wave board according to claim 1, wherein the connecting mechanism comprises a column body (3), the column body (3) is embedded in the transverse plate (1) and the longitudinal plate (2) by taking the cross line of the transverse plate (1) and the longitudinal plate (2) as an axis, the ends of the transverse plate (1) and the longitudinal plate (2) facing the column body (3) are fixedly connected to the side wall of the column body (3), and a first flash hole (6) is formed in the center of the column body (3).
3. The Chinese character jing-shaped square wave board as claimed in claim 2, wherein a plurality of first heat-melting bump structures (7) are uniformly arranged on both end surfaces of the column body (3) around the circumferential direction of the first flash holes (6);
the diameter of the first hot-melting salient point structures (7) is 1.5-2mm, the height of the first hot-melting salient point structures is 1.5-2.0 mm, and the number of the first hot-melting salient point structures is 90-150.
4. The Chinese character jing-square-shaped breakwater according to claim 2, wherein the outer diameter of the column body (3) is gradually increased from top to bottom, and the diameter of the top of the column body (3) is 50-70 mm.
5. The Chinese character jing-square-shaped breakwater according to claim 1, wherein the ends of the transverse plates (1) and/or the longitudinal plates (2) facing the inner wall of the oil tank are provided with a profile matching the shape of the inner wall of the oil tank and form a gap with the inner wall of the oil tank, and the ends of the transverse plates (1) and/or the longitudinal plates (2) facing the bypass oil pump region (4) are provided with a profile matching the shape of the outer wall of the oil pump and form a gap with the outer wall of the oil pump.
6. The Chinese character jing-shaped square wave board according to claim 1, wherein horizontal plates (5) are partially and fixedly connected to a plurality of square areas formed by enclosing the transverse plates (1) and the longitudinal plates (2), a plurality of holes are formed in the horizontal plates (5), the diameter of each hole is 6-16 mm, and the sum of the areas of all the holes in each horizontal plate (5) is 15-50% of the area of the corresponding horizontal plate (5).
7. The Chinese character jing-shaped square wave board according to claim 1, wherein a plurality of the transverse plates (1) are equally and uniformly arranged in the center along the width direction of the fuel tank, and a plurality of the longitudinal plates (2) are equally and uniformly arranged in the center along the length direction of the fuel tank.
8. The Chinese character jing-shaped square wave board according to claim 1, wherein the wall thickness of the transverse plates (1) and the longitudinal plates (2) is 1-2.5mm, the side length of the square area formed by the transverse plates (1) and the longitudinal plates (2) is 80-200mm, and the length-width ratio of the square area is 1: 1-2: 1.
9. the groined square type breakwater according to claim 1, wherein both side surfaces of the transverse plates (1) and the longitudinal plates (2) are smooth surfaces, and the surface roughness of both side surfaces of the transverse plates (1) and the longitudinal plates (2) is 0.4 to 12.5 μm.
10. The Chinese character jing-shaped square wave board according to claim 1, wherein the connecting mechanism comprises a barrel (8) and a cover plate (9), the barrel (8) is embedded in the transverse plate (1) and the longitudinal plate (2) simultaneously by taking the cross line of the transverse plate (1) and the longitudinal plate (2) as an axis, and the ends of the transverse plate (1) and the longitudinal plate (2) facing the barrel (8) are fixedly connected to the side wall of the barrel (8);
a second overflow hole (11) is formed in the center of the cover plate (9), one end of the cover plate (9) can be detachably inserted and clamped in the cylinder body (8), and a plurality of second hot melting bump structures (10) are uniformly arranged on the end face of the other end of the cover plate in the circumferential direction around the second overflow hole (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821513499.6U CN209320700U (en) | 2018-09-14 | 2018-09-14 | Well word box-shaped washboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821513499.6U CN209320700U (en) | 2018-09-14 | 2018-09-14 | Well word box-shaped washboard |
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| Publication Number | Publication Date |
|---|---|
| CN209320700U true CN209320700U (en) | 2019-08-30 |
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ID=67706990
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821513499.6U Active CN209320700U (en) | 2018-09-14 | 2018-09-14 | Well word box-shaped washboard |
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| Country | Link |
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| CN (1) | CN209320700U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109203983A (en) * | 2018-09-14 | 2019-01-15 | 芜湖顺荣汽车部件有限公司 | Well word box-shaped washboard |
-
2018
- 2018-09-14 CN CN201821513499.6U patent/CN209320700U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109203983A (en) * | 2018-09-14 | 2019-01-15 | 芜湖顺荣汽车部件有限公司 | Well word box-shaped washboard |
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