CN213079404U - Interior cleaning structure of hydraulic hose - Google Patents

Interior cleaning structure of hydraulic hose Download PDF

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Publication number
CN213079404U
CN213079404U CN202021977891.3U CN202021977891U CN213079404U CN 213079404 U CN213079404 U CN 213079404U CN 202021977891 U CN202021977891 U CN 202021977891U CN 213079404 U CN213079404 U CN 213079404U
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water
hydraulic hose
pipe
limiting
plate
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CN202021977891.3U
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Chinese (zh)
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俞林松
苏顺发
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Sunway Hydraulic Industries Wuhu Co ltd
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Sunway Hydraulic Industries Wuhu Co ltd
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Abstract

The utility model discloses a hydraulic hose inside washs structure, including pond, loading board, motor, limiting plate and water delivery pump, its characterized in that: the water tank is characterized in that a vertical plate is arranged at the top of the water tank, bearings are arranged on the vertical plate, connecting shafts are arranged at two ends of the bearing plate, the motor is arranged on the vertical plate and connected with one connecting shaft, a limiting plate is provided with a limiting hole, a connecting ring is arranged at the edge of the limiting plate and is installed on the stand column through a fastening bolt, and the water delivery pump is arranged on the outer wall of the water tank. The utility model discloses be provided with the inner chamber in the loading board, be provided with hollow structure with a connecting axle to with inner chamber and water service pipe, hollow connecting axle intercommunication, the water delivery pump through the water suction pipe with the water suction in the pond, in the inner chamber of loading board is carried to the raceway, discharge from the water service pipe, make water enter into inside the hydraulic pressure hose, to the inside cleaning treatment that carries out of hydraulic pressure hose, improved hydraulic pressure hose's cleaning efficiency.

Description

Interior cleaning structure of hydraulic hose
Technical Field
The utility model relates to a hydraulic hose processing technology field specifically is a hydraulic hose inside cleaning structure.
Background
Among the prior art, in the course of working of hydraulic pressure hose assembly, the inner wall of hydraulic pressure hose has the rubber granule that the cutting left, impurity such as release agent that metal particle and preparation hydraulic pressure hose left, these impurity can greatly reduced hydraulic pressure hose assembly's quality if not clear away, and current hydraulic pressure hose washs, generally adopt artifical water spray to the hydraulic pressure hose in, not only work efficiency is low, intensity of labour is big, and cleaning quality is not high yet, a novel hydraulic pressure hose assembly belt cleaning device has been published like application number 201010515281.6, the device has solved the inconvenient operation of traditional belt cleaning device, the problem that cleaning impurity efficiency is not high, but there is once to wash hydraulic pressure hose quantity less, can not carry out interior surface cleaning to hydraulic pressure hose, cleaning quality is not high, the not high problem of commonality.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the once washing hydraulic hose that current hydraulic hose belt cleaning device exists quantity less, can not carry out internal surface cleaning, cleaning quality is not high, the not high problem of commonality to hydraulic hose, provide a hydraulic hose inside washing structure that structural design is reasonable, once wash hydraulic hose's quantity is big, inside cleaning quality is high, the commonality is good.
The utility model provides a technical scheme that technical problem taken does:
the utility model provides a hydraulic hose inside washs structure, includes pond, loading board, motor, limiting plate and water delivery pump, its characterized in that: the top of the water tank is provided with a vertical plate, the vertical plate is provided with a bearing, the water tank is connected with the vertical plate through welding, the connection strength between the water tank and the vertical plate is enhanced, two ends of the bearing plate are provided with connecting shafts, the connecting shafts penetrate through the bearing, the bearing plate is provided with a water pipe and a vertical column, the motor is arranged on the vertical plate and is connected with one connecting shaft, the motor drives the transmission shaft to rotate, so that the bearing plate rotates between the vertical plate and the vertical plate to drive the hydraulic hose in the cleaning process to rotate, water in the hydraulic hose flows downwards or upwards, impurities in the hydraulic hose are convenient to rapidly flush out, the cleaning efficiency and the cleaning quality of the hydraulic hose are improved, the labor intensity of operators is reduced, the limiting plate is provided with a limiting hole, the edge of the limiting plate is provided with a connecting ring, and the connecting ring is arranged on the, the bottom end of the hydraulic hose to be cleaned is inserted into the fixing ring, the water pipe extends into the hydraulic hose, the top end of the hydraulic hose penetrates out of the limiting hole, the limiting plate can limit the hydraulic hose in the cleaning process and improve the stability of the hydraulic hose in the cleaning process, the water delivery pump is arranged on the outer wall of the water tank, the water delivery pump is provided with a water suction pipe and a water delivery pipe, the water suction pipe is connected with the water pool, the water delivery pump sucks water in the water pool out through the water suction pipe, the water is delivered into the inner cavity of the bearing plate through the water delivery pipe and is discharged from the water delivery pipe, so that the water enters the hydraulic hose, cleaning the inside of the hydraulic hose, discharging the water carrying impurities from the other end of the hydraulic hose and flowing into the water tank, can filter the water that enters into in the pond through the filter screen, avoid miscellaneous backward flow, make hydroenergy enough circulation flow, improve hydraulic hose's cleaning efficiency.
Preferably, the pond in be provided with transverse structure's filter screen, the water delivery pump through the water suction pipe with the water suction in the pond, in the inner chamber of loading board is carried to the raceway, discharge from the water service pipe, make water enter into inside the hydraulic pressure hose, carry out cleaning to hydraulic pressure hose inside, water carries impurity and discharges from the hydraulic pressure hose other end, and flow into in the pond, can filter the water that enters into in the pond through the filter screen, avoid miscellaneous backward flow, make hydroenergy enough circulation flow, the cleaning efficiency of hydraulic pressure hose has been improved.
Preferably, an inner cavity is formed in the bearing plate, a connecting shaft is provided with a hollow structure, the inner cavity is communicated with the water through pipe and the hollow connecting shaft, the water conveying pump sucks water in the water pool out through the water suction pipe, the water conveying pump conveys the water to the inner cavity of the bearing plate through the water conveying pipe and discharges the water from the water through pipe, so that the water enters the hydraulic hose to clean the interior of the hydraulic hose, and the cleaning efficiency of the hydraulic hose is improved.
Preferably, the fixing ring is arranged on the bearing plate at the periphery of the water service pipe, the bottom end of the hydraulic hose to be cleaned is inserted into the fixing ring, the water service pipe extends into the hydraulic hose, water discharged from the water service pipe fully enters the hydraulic hose, the interior of the hydraulic hose is cleaned, the cleaning efficiency of the hydraulic hose is improved, and the labor intensity of operators is reduced.
Preferably, the limiting plate on set up to the structure of one-to-one between spacing hole and the water service pipe, and pass through the go-between with the limiting plate, fastening bolt sets up to the structure that can adjust the position on the stand, insert the abluent hydraulic hose bottom of needs in the retaining ring, the water service pipe stretches into in the hydraulic hose, wear out the hydraulic hose top from spacing hole, can play limiting displacement to the hydraulic hose in the cleaning process through the limiting plate, improve the stability of hydraulic hose in the cleaning process, according to the hydraulic hose of different length, through the go-between, the position of fastening bolt adjustment limiting plate, improve the commonality of wasing the structure, the application scope of wasing the structure has been enlarged, the cost of making many sets of washing structures has been reduced.
Preferably, the raceway on the water delivery pump stretch into in the hollow connecting axle to be provided with the sealing ring between raceway and hollow connecting axle, the water delivery pump through the pipe that absorbs water with the water suction in the pond, in the inner chamber of loading board is carried to the raceway, discharge from the water service pipe, make water enter into inside the hydraulic pressure hose, wash the treatment to hydraulic pressure hose inside, water carries impurity and discharges from the hydraulic pressure hose other end, and flow into in the pond, can filter the water that enters into the pond through the filter screen, avoid miscellaneous backward flow, make the ability circulating flow of water, the cleaning efficiency of hydraulic pressure hose has been improved, the leakproofness between connecting axle and the raceway has been improved through the sealing ring, avoid water to flow out from hollow connecting axle.
Has the advantages that: the utility model discloses set up to the structure of one-to-one between spacing hole on the limiting plate and the water service pipe, and pass through the go-between with the limiting plate, fastening bolt sets up the structure that can adjust the position on the stand, will need abluent hydraulic hose bottom to insert in the retaining ring, the water service pipe stretches into in the hydraulic hose, wear out the hydraulic hose top from spacing hole, can play limiting displacement to the hydraulic hose in the cleaning process through the limiting plate, improve the stability of hydraulic hose in the cleaning process, according to the hydraulic hose of different length, through the go-between, fastening bolt adjusts the position of limiting plate, improve the commonality of wasing the structure, the application scope who washs the structure has been enlarged, the cost of making many sets of washing structures has been reduced.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of a part of the structure of the present invention, illustrating the connection structure of the bearing plate and the connection shaft.
Fig. 3 is a schematic view of a part of the structure of the present invention, illustrating the connection structure of the bearing plate and the inner cavity.
Fig. 4 is a schematic diagram of a part of the structure of the present invention, illustrating the connection structure of the limiting plate and the limiting ring.
Fig. 5 is a schematic view of a part of the structure of the present invention, illustrating the connection structure of the connection shaft and the water pipe.
Fig. 6 is a schematic diagram of another embodiment of the present invention.
In the figure: 1. the water pump comprises a water pool, a bearing plate 2, a motor 3, a limiting plate 4, a water delivery pump 5, a vertical plate 6, a filter screen 7, a bearing 8, a connecting shaft 9, a water pipe 10, a stand column 11, an inner cavity 12, a fixing ring 13, a limiting hole 14, a connecting ring 15, a fastening bolt 16, a water suction pipe 17, a water delivery pipe 18, a sealing ring 19 and an anti-slip ring 20.
Detailed Description
The present invention will be described in more detail with reference to the accompanying drawings.
The first embodiment is as follows:
as shown in the accompanying drawings 1-5, a cleaning structure in a hydraulic hose comprises a water pool 1, a bearing plate 2, a motor 3, a limiting plate 4 and a water delivery pump 5, and is characterized in that: the top of the water tank 1 is provided with a vertical plate 6, the vertical plate 6 is provided with a bearing 8, the water tank 1 and the vertical plate 6 are connected by welding, the connection strength between the water tank 1 and the vertical plate 6 is enhanced, two ends of the bearing plate 2 are provided with connecting shafts 9, the connecting shafts 9 penetrate through the bearing 8, the bearing plate 2 is provided with a water pipe 10 and an upright post 11, the motor 3 is arranged on the vertical plate 6 and is connected with the motor 3 and one connecting shaft 9, the motor 3 drives the transmission shaft to rotate, so that the bearing plate 2 rotates between the vertical plate 6 and drives a hydraulic hose in the cleaning process to rotate, water in the hydraulic hose flows downwards or upwards, impurities in the hydraulic hose are conveniently and quickly flushed out, the cleaning efficiency and the cleaning quality of the hydraulic hose are improved, the labor intensity of an operator is reduced, the limiting plate 4 is provided with a limiting hole 14, the edge of the limiting plate 4 is provided with a connecting ring 15, the connecting ring 15 is arranged on the upright post 11 through a fastening bolt 16, the bottom end of a hydraulic hose to be cleaned is inserted into the fixing ring 13, the water pipe 10 extends into the hydraulic hose, the top end of the hydraulic hose penetrates out of the limiting hole 14, the limiting plate 4 can limit the hydraulic hose in the cleaning process, the stability of the hydraulic hose in the cleaning process is improved, the water delivery pump 5 is arranged on the outer wall of the water pool 1, the water delivery pump 5 is provided with a water suction pipe 17 and a water delivery pipe 18, the water suction pipe 17 is connected with the water pool 1, the water delivery pump 5 sucks water in the water pool 1 through the water suction pipe 17, the water is conveyed into the inner cavity 12 of the bearing plate 2 through the water delivery pipe 18 and is discharged from the water pipe 10, so that the water enters the hydraulic hose to clean the interior of the hydraulic hose, and the water carrying impurities are discharged, and flow into the pond 1 in, can filter the water that enters into in the pond 1 through filter screen 7, avoid miscellaneous backward flow, make the ability circulation flow of water, improved hydraulic hose's cleaning efficiency.
Preferably, pond 1 in be provided with transverse structure's filter screen 7, water delivery pump 5 through the pipe 17 that absorbs water with the water suction in the pond 1, carry the inner chamber 12 of loading board 2 in through raceway 18, discharge from water service pipe 10, make water enter into inside the hydraulic pressure hose, carry out cleaning to the inside of the hydraulic pressure hose, water carries impurity and discharges from the hydraulic pressure hose other end, and flow into in the pond 1, can filter the water that enters into in the pond 1 through filter screen 7, avoid the miscellaneous backward flow, make hydroenergy enough circulation flow, the cleaning efficiency of hydraulic pressure hose has been improved.
Preferably, an inner cavity 12 is formed in the bearing plate 2, one connecting shaft 9 is of a hollow structure, the inner cavity 12 is communicated with the water through pipe 10 and the hollow connecting shaft 9, the water conveying pump 5 sucks water in the water tank 1 through a water suction pipe 17, conveys the water into the inner cavity 12 of the bearing plate 2 through a water conveying pipe 18, and discharges the water from the water through pipe 10, so that the water enters the hydraulic hose to clean the interior of the hydraulic hose, and the cleaning efficiency of the hydraulic hose is improved.
Preferably, the fixing ring 13 is arranged on the bearing plate 2 around the water service pipe 10, the bottom end of the hydraulic hose to be cleaned is inserted into the fixing ring 13, the water service pipe 10 extends into the hydraulic hose, so that water discharged from the water service pipe 10 fully enters the hydraulic hose, the interior of the hydraulic hose is cleaned, the cleaning efficiency of the hydraulic hose is improved, and the labor intensity of operators is reduced.
Preferably, the limiting plate 4 on set up to the structure of one-to-one between spacing hole 14 and the water service pipe 10, and pass through go-between 15 with limiting plate 4, fastening bolt 16 sets up to the structure that can adjust the position on stand 11, insert solid fixed ring 13 in the hydraulic hose bottom that will need to wash, water service pipe 10 stretches into in the hydraulic hose, wear out the hydraulic hose top from spacing hole 14, can play limiting displacement to the hydraulic hose in the cleaning process through limiting plate 4, improve the stability of hydraulic hose in the cleaning process, according to the hydraulic hose of different length, through go-between 15, the position of limiting plate 4 is adjusted to fastening bolt 16, improve the commonality of washing structure, the application scope of washing structure has been enlarged, the cost of making many sets of washing structures has been reduced.
Preferably, the water delivery pipe 18 on the water delivery pump 5 extends into the hollow connecting shaft 9, a sealing ring 19 is arranged between the water delivery pipe 18 and the hollow connecting shaft 9, the water in the water tank 1 is sucked out by the water delivery pump 5 through the water suction pipe 17, the water is conveyed into the inner cavity 12 of the bearing plate 2 through the water delivery pipe 18 and is discharged from the water through pipe 10, the water enters the hydraulic hose, the inside of the hydraulic hose is cleaned, impurities carried by the water are discharged from the other end of the hydraulic hose and flow into the water tank 1, the water entering the water tank 1 can be filtered through the filter screen 7, impurity backflow is avoided, the water can flow circularly, the cleaning efficiency of the hydraulic hose is improved, the sealing performance between the connecting shaft 9 and the water delivery pipe 18 is improved through the sealing ring 19, and the water is prevented from flowing out from the hollow connecting shaft 9.
Example two:
as shown in fig. 6: the utility model provides a hydraulic hose inside washs structure, includes pond 1, loading board 2, motor 3, limiting plate 4 and water delivery pump 5, its characterized in that: the top of the water tank 1 is provided with a vertical plate 6, the vertical plate 6 is provided with a bearing 8, the water tank 1 and the vertical plate 6 are connected by welding, the connection strength between the water tank 1 and the vertical plate 6 is enhanced, two ends of the bearing plate 2 are provided with connecting shafts 9, the connecting shafts 9 penetrate through the bearing 8, the bearing plate 2 is provided with a water pipe 10 and an upright post 11, the motor 3 is arranged on the vertical plate 6 and is connected with the motor 3 and one connecting shaft 9, the motor 3 drives the transmission shaft to rotate, so that the bearing plate 2 rotates between the vertical plate 6 and drives a hydraulic hose in the cleaning process to rotate, water in the hydraulic hose flows downwards or upwards, impurities in the hydraulic hose are conveniently and quickly flushed out, the cleaning efficiency and the cleaning quality of the hydraulic hose are improved, the labor intensity of an operator is reduced, the limiting plate 4 is provided with a limiting hole 14, the edge of the limiting plate 4 is provided with a connecting ring 15, the connecting ring 15 is arranged on the upright post 11 through a fastening bolt 16, the bottom end of a hydraulic hose to be cleaned is inserted into the fixing ring 13, the water pipe 10 extends into the hydraulic hose, the top end of the hydraulic hose penetrates out of the limiting hole 14, the limiting plate 4 can limit the hydraulic hose in the cleaning process, the stability of the hydraulic hose in the cleaning process is improved, the water delivery pump 5 is arranged on the outer wall of the water pool 1, the water delivery pump 5 is provided with a water suction pipe 17 and a water delivery pipe 18, the water suction pipe 17 is connected with the water pool 1, the water delivery pump 5 sucks water in the water pool 1 through the water suction pipe 17, the water is conveyed into the inner cavity 12 of the bearing plate 2 through the water delivery pipe 18 and is discharged from the water pipe 10, so that the water enters the hydraulic hose to clean the interior of the hydraulic hose, and the water carrying impurities are discharged, and flow into the pond 1 in, can filter the water that enters into in the pond 1 through filter screen 7, avoid miscellaneous backward flow, make the ability circulation flow of water, improved hydraulic hose's cleaning efficiency.
Preferably, pond 1 in be provided with transverse structure's filter screen 7, water delivery pump 5 through the pipe 17 that absorbs water with the water suction in the pond 1, carry the inner chamber 12 of loading board 2 in through raceway 18, discharge from water service pipe 10, make water enter into inside the hydraulic pressure hose, carry out cleaning to the inside of the hydraulic pressure hose, water carries impurity and discharges from the hydraulic pressure hose other end, and flow into in the pond 1, can filter the water that enters into in the pond 1 through filter screen 7, avoid the miscellaneous backward flow, make hydroenergy enough circulation flow, the cleaning efficiency of hydraulic pressure hose has been improved.
Preferably, an inner cavity 12 is formed in the bearing plate 2, one connecting shaft 9 is of a hollow structure, the inner cavity 12 is communicated with the water through pipe 10 and the hollow connecting shaft 9, the water conveying pump 5 sucks water in the water tank 1 through a water suction pipe 17, conveys the water into the inner cavity 12 of the bearing plate 2 through a water conveying pipe 18, and discharges the water from the water through pipe 10, so that the water enters the hydraulic hose to clean the interior of the hydraulic hose, and the cleaning efficiency of the hydraulic hose is improved.
Preferably, the fixing ring 13 is arranged on the bearing plate 2 around the water service pipe 10, the bottom end of the hydraulic hose to be cleaned is inserted into the fixing ring 13, the water service pipe 10 extends into the hydraulic hose, so that water discharged from the water service pipe 10 fully enters the hydraulic hose, the interior of the hydraulic hose is cleaned, the cleaning efficiency of the hydraulic hose is improved, and the labor intensity of operators is reduced.
Preferably, the limiting plate 4 on set up to the structure of one-to-one between spacing hole 14 and the water service pipe 10, and pass through go-between 15 with limiting plate 4, fastening bolt 16 sets up to the structure that can adjust the position on stand 11, insert solid fixed ring 13 in the hydraulic hose bottom that will need to wash, water service pipe 10 stretches into in the hydraulic hose, wear out the hydraulic hose top from spacing hole 14, can play limiting displacement to the hydraulic hose in the cleaning process through limiting plate 4, improve the stability of hydraulic hose in the cleaning process, according to the hydraulic hose of different length, through go-between 15, the position of limiting plate 4 is adjusted to fastening bolt 16, improve the commonality of washing structure, the application scope of washing structure has been enlarged, the cost of making many sets of washing structures has been reduced.
Preferably, the water delivery pipe 18 on the water delivery pump 5 extends into the hollow connecting shaft 9, a sealing ring 19 is arranged between the water delivery pipe 18 and the hollow connecting shaft 9, the water in the water tank 1 is sucked out by the water delivery pump 5 through the water suction pipe 17, the water is conveyed into the inner cavity 12 of the bearing plate 2 through the water delivery pipe 18 and is discharged from the water through pipe 10, the water enters the hydraulic hose, the inside of the hydraulic hose is cleaned, impurities carried by the water are discharged from the other end of the hydraulic hose and flow into the water tank 1, the water entering the water tank 1 can be filtered through the filter screen 7, impurity backflow is avoided, the water can flow circularly, the cleaning efficiency of the hydraulic hose is improved, the sealing performance between the connecting shaft 9 and the water delivery pipe 18 is improved through the sealing ring 19, and the water is prevented from flowing out from the hollow connecting shaft 9.
Preferably, the limiting hole 14 on the limiting plate 4 is internally provided with an anti-slip ring 20, the hydraulic hose in the cleaning process vertically penetrates through the anti-slip ring 20, the hydraulic hose in the cleaning process is prevented from shaking, the stability of the hydraulic hose in the cleaning process is improved, and the cleaning quality of the hydraulic hose is enhanced.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The utility model discloses the part that does not relate to all is the same with prior art or can adopt prior art to realize.

Claims (6)

1. The utility model provides a hydraulic hose inside washs structure, includes pond, loading board, motor, limiting plate and water delivery pump, its characterized in that: the water storage device is characterized in that a vertical plate is arranged at the top of the water pool, bearings are arranged on the vertical plate, connecting shafts are arranged at two ends of the bearing plate, the connecting shafts penetrate through the bearings, a water pipe and a stand column are arranged on the bearing plate, the motor is arranged on the vertical plate and connected with the motor, a limiting hole is formed in the limiting plate, a connecting ring is arranged at the edge of the limiting plate and installed on the stand column through a fastening bolt, the water delivery pump is arranged on the outer wall of the water pool and provided with a water suction pipe and a water delivery pipe, and the water suction pipe is connected with the water pool.
2. The hydraulic hose internal cleaning structure according to claim 1, wherein: the water tank is internally provided with a filter screen with a transverse structure.
3. The hydraulic hose internal cleaning structure according to claim 1, wherein: the bearing plate is internally provided with an inner cavity, one connecting shaft is provided with a hollow structure, and the inner cavity is communicated with the water service pipe and the hollow connecting shaft.
4. The hydraulic hose internal cleaning structure according to claim 1, wherein: the bearing plate around the water pipe is provided with a fixing ring.
5. The hydraulic hose internal cleaning structure according to claim 1, wherein: the limiting plates are arranged in a one-to-one corresponding structure between the limiting holes in the limiting plates and the water service pipes, and the limiting plates are arranged in a structure capable of adjusting positions on the stand columns through the connecting rings and the fastening bolts.
6. The hydraulic hose internal cleaning structure according to claim 3, wherein: the water delivery pipe on the water delivery pump extends into the hollow connecting shaft, and a sealing ring is arranged between the water delivery pipe and the hollow connecting shaft.
CN202021977891.3U 2020-09-11 2020-09-11 Interior cleaning structure of hydraulic hose Active CN213079404U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021977891.3U CN213079404U (en) 2020-09-11 2020-09-11 Interior cleaning structure of hydraulic hose

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021977891.3U CN213079404U (en) 2020-09-11 2020-09-11 Interior cleaning structure of hydraulic hose

Publications (1)

Publication Number Publication Date
CN213079404U true CN213079404U (en) 2021-04-30

Family

ID=75635633

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021977891.3U Active CN213079404U (en) 2020-09-11 2020-09-11 Interior cleaning structure of hydraulic hose

Country Status (1)

Country Link
CN (1) CN213079404U (en)

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