CN217477260U - Telescopic spraying device for truck washing machine - Google Patents
Telescopic spraying device for truck washing machine Download PDFInfo
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- CN217477260U CN217477260U CN202122888333.0U CN202122888333U CN217477260U CN 217477260 U CN217477260 U CN 217477260U CN 202122888333 U CN202122888333 U CN 202122888333U CN 217477260 U CN217477260 U CN 217477260U
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Abstract
The utility model relates to the technical field of car washers, in particular to a telescopic spray device for a truck car washer, which improves the cleaning efficiency of the device, increases the functional diversity of the device, improves the operation convenience of the device and increases the adaptability of different truck types; the spraying device comprises a base, a mounting frame, a supporting mechanism, a spraying mechanism and a driving mechanism, wherein the mounting frame is mounted at the top end of the base; the supporting mechanism comprises a supporting sliding groove, a supporting sliding rail, an installation box, a motor base, a driving motor, a shaft sleeve, a guide shaft, a first straight rack, a swinging frame, a crankshaft, a control switch and a connecting mechanism, the supporting sliding rail is installed at the left end of the installation box in a matched mode, the control switch is installed at the right end of the installation box, the driving motor is electrically connected with the control switch, the multiple groups of connecting mechanisms are installed at the right end of the installation box, and the connecting mechanism is connected with the first straight rack in a matched mode respectively.
Description
Technical Field
The utility model relates to a technical field of car washer especially relates to scalable spray set is used to freight train car washer.
Background
As is well known, the work of washing cars seems to be simple, but it is not easy to wash fast and well and to satisfy customers. The car washing service is the most important means for attracting business and fixing customer resources in the car beauty shop. If the automobile beauty industry is divided into two ends, the automobile washing is the front end, and the beauty and decoration is the rear end. The professional and quick car washing service can leave a good impression on customers, and a good trust foundation is laid for selling other car supplies and construction service.
The existing car washer has the defects that the position of a spray head of the existing car washer is fixed, the distance between the spray head and a car body cannot be controlled according to cars of different models, and the strength of water columns in washing is different due to the fact that the distance between the spray head and the car is different, so that the washing effect in washing is difficult to guarantee.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an improve device cleaning efficiency increases device functional diversity, improves the device and controls the convenience, increases the freight train car washer of different freight train motorcycle type adaptability and uses scalable spray set.
The utility model discloses a scalable spray set for freight train carwash machine, including base, mounting bracket, supporting mechanism, spraying mechanism and actuating mechanism, the mounting bracket is installed on the base top, and spraying mechanism, supporting mechanism and actuating mechanism are connected with the mounting bracket cooperation respectively, and spraying mechanism and actuating mechanism are connected with the supporting mechanism cooperation respectively; the supporting mechanism comprises a supporting chute, a supporting slide rail, an installation box, a motor base, a driving motor, a shaft sleeve, a guide shaft, a first straight rack, a swinging frame, a crankshaft, a control switch and a connecting mechanism, the supporting chute is installed at the left end of a cavity of the installation box in a matching manner, the supporting slide rail is installed at the left end of the installation box in a matching manner, the supporting slide rail is connected with the supporting chute in a matching manner in a sliding manner, the driving motor is installed at the top end of the installation box through the motor base, the shaft sleeve is respectively installed inside a through hole of the installation box, the guide shaft is symmetrically installed at the upper end and the lower end of the first straight rack, the guide shaft is connected with the shaft sleeve in a matching manner in a sliding manner, the swinging frame is installed at the top end of the guide shaft, the crankshaft is coaxially installed at the rear-side output end of the driving motor, the crankshaft is connected with the inner cavity of the swinging frame in a matching manner, the control switch is installed at the right end of the installation box, the driving motor is electrically connected with the control switch, a plurality of groups of connecting mechanisms are installed at the right end of the installation box, and are respectively connected with the first straight rack in a matching manner, the output end of the spraying mechanism is connected with the connecting mechanism in a matching way.
The utility model discloses a but telescopic spraying device is used to freight train car washer, coupling mechanism includes first bearing, the transmission shaft, drive gear, lower connecting piece, go up connecting piece and bolt, the install bin right-hand member is provided with the multiunit shaft hole, first bearing is connected with the coaxial fit in install bin shaft hole, the transmission shaft is connected with the coaxial fit of first bearing, drive gear coaxial arrangement is at the transmission shaft left end, multiunit drive gear is connected with first straight rack toothing respectively, lower connecting piece is installed at the transmission shaft right-hand member, be provided with the screw hole on the lower connecting piece, it installs on lower connecting piece top under through bolt and lower connecting piece screw hole cooperation to go up the connecting piece, the output of spraying mechanism is connected with lower connecting piece and last connecting piece cooperation respectively.
The utility model discloses a scalable spray set is used to freight train carwash machine, spraying mechanism include water pump, hose and high pressure nozzle, and the water pump cooperation is installed in the mounting bracket rear end, and high pressure nozzle supports through last connecting piece and bolt cooperation, and the hose is connected with water pump output end and high pressure nozzle cooperation respectively, and the water pump is connected with the control switch electricity.
The utility model discloses a but actuating mechanism includes sliding sleeve, tie-beam, second straight rack and power unit, and the sliding sleeve is installed at the mounting bracket rear end and is led to the inslot portion, and the tie-beam is installed in the install bin rear end, and tie-beam and sliding sleeve cooperation sliding connection, second straight rack are installed inside the tie-beam slotted hole, and power unit is connected with mounting bracket cavity and second straight rack cooperation respectively.
The utility model discloses a scalable spray set is used to freight train carwash, power unit include motor frame, motor power and drive gear, and motor power passes through the motor frame to be installed at mounting bracket cavity left end, and drive gear coaxial arrangement is at motor power right side output, and drive gear is connected with the meshing of second straight rack, and motor power is connected with the control switch electricity.
The utility model discloses a scalable spray set is used to freight train carwash still includes the safety cover, and the safety cover is installed and is being led to chamber department at the mounting bracket rear end, and the tie-beam is arranged in the safety cover inner chamber.
The utility model discloses a scalable spray set is used to freight train carwash still includes the motor case, and the motor case is installed on the install bin top, and driving motor and swing frame all are located inside the motor case vallecular cavity.
The utility model discloses a scalable spray set is used to freight train carwash still includes spacing seat, and the cooperation of spacing seat is installed at the install bin cavity left end.
The utility model discloses a scalable spray set is used to freight train carwash still is including adjusting the stabilizer blade, and the cooperation of stabilizer blade is adjusted to the multiunit and is installed in the base bottom.
The utility model discloses a scalable spray set is used to freight train carwash still includes spacing roof beam, and the cooperation of spacing roof beam is installed in the tie-beam rear end.
Compared with the prior art, the beneficial effects of the utility model are that: the mounting rack is increased in support stability through the base, the mounting box is supported inside the cavity of the base in a sliding manner through the matching of the support sliding chute and the support sliding rail, the driving motor is stably mounted at the top end of the mounting box through the motor base, the first straight rack is supported inside the working cavity of the mounting box in a sliding manner through the matching of the shaft sleeve and the guide shaft, the swing frame is stably supported at the top end of the first straight rack through the guide shaft, the crankshaft provides rotating power through the driving motor, the guide shaft drives the first straight rack to provide up-and-down reciprocating swing power through the matching sliding connection of the crankshaft rotation and the inner cavity of the swing frame, the output end of the spraying mechanism is supported in a swinging manner through the matching of the first straight rack swing and the support mechanism, water is pressurized through the spraying mechanism and then sprayed, the mounting box is positioned inside the cavity of the mounting rack through the driving mechanism to be adjusted, the cleaning efficiency of the device is improved, and the functional diversity of the device is increased, the device is improved in operation convenience, and adaptability of different truck types is improved.
Drawings
Fig. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic side view of the present invention;
fig. 3 is a right-side view structural schematic diagram of the present invention;
fig. 4 is a schematic side view of the second shaft of the present invention;
fig. 5 is a schematic top view of the present invention;
in the drawings, the reference numbers: 1. a base; 2. a mounting frame; 3. a support chute; 4. supporting the slide rail; 5. Installing a box; 6. a motor base; 7. a drive motor; 8. a shaft sleeve; 9. a guide shaft; 10. a first straight rack; 11. a swing frame; 12. a crankshaft; 13. a control switch; 14. a first bearing; 15. a drive shaft; 16. a transmission gear; 17. a lower connecting member; 18. an upper connecting piece; 19. a bolt; 20. a water pump; 21. a hose; 22. a high pressure spray head; 23. a sliding sleeve; 24. a connecting beam; 25. A second spur rack; 26. a motor frame; 27. a power motor; 28. a drive gear; 29. a protective cover; 30. a motor case; 31. a limiting seat; 32. adjusting the support legs; 33. and a limiting beam.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in fig. 1 to 5, the retractable spraying device for a truck and car washer of the present invention comprises a base 1, a mounting frame 2, a supporting mechanism, a spraying mechanism and a driving mechanism, wherein the mounting frame 2 is mounted on the top end of the base 1, the spraying mechanism, the supporting mechanism and the driving mechanism are respectively connected with the mounting frame 2 in a matching manner, and the spraying mechanism and the driving mechanism are respectively connected with the supporting mechanism in a matching manner; the supporting mechanism comprises a supporting chute 3, a supporting slide rail 4, an installation box 5, a motor base 6, a driving motor 7, a shaft sleeve 8, a guide shaft 9, a first straight rack 10, a swing frame 11, a crankshaft 12, a control switch 13 and a connecting mechanism, wherein the supporting chute 3 is installed at the left end of a cavity of the installation frame 2 in a matching way, the supporting slide rail 4 is installed at the left end of the installation box 5 in a matching way, the supporting slide rail 4 is connected with the supporting chute 3 in a matching and sliding way, the driving motor 7 is installed at the top end of the installation box 5 through the motor base 6, the shaft sleeves 8 are respectively installed in through holes of the installation box 5, the guide shafts 9 are symmetrically installed at the upper end and the lower end of the first straight rack 10, the guide shaft 9 is connected with the shaft sleeve 8 in a matching and sliding way, the swing frame 11 is installed at the top end of the guide shaft 9, the crankshaft 12 is coaxially installed at the rear side output end of the driving motor 7, the crankshaft 12 is connected with an inner cavity of the swing frame 11 in a matching and sliding way, the control switch 13 is installed at the right end of the installation frame 2, the driving motor 7 is electrically connected with the control switch 13, a plurality of groups of connecting mechanisms are arranged at the right end of the installation box 5, the connecting mechanisms are respectively connected with the first straight rack 10 in a matched manner, and the output end of the spraying mechanism is connected with the connecting mechanisms in a matched manner; the support stability of the mounting frame 2 is increased through the base 1, the mounting box 5 is supported in the cavity of the base 1 in a sliding manner through the matching of the support sliding chute 3 and the support sliding rail 4, the driving motor 7 is stably mounted at the top end of the mounting box 5 through the motor base 6, the first straight rack 10 is supported in the working cavity of the mounting box 5 in a sliding manner through the matching of the shaft sleeve 8 and the guide shaft 9, the swing frame 11 is stably supported at the top end of the first straight rack 10 through the guide shaft 9, the crankshaft 12 provides the rotating power through the driving motor 7, the guide shaft 9 drives the first straight rack 10 to provide the up-and-down reciprocating swing power through the matching of the crankshaft 12 and the inner cavity of the swing frame 11, the output end of the spraying mechanism is supported in a swinging manner through the swing of the first straight rack 10 and the support mechanism, water is pressurized and sprayed through the spraying mechanism, and the position of the mounting box 5 in the cavity of the mounting frame 2 is adjusted through the driving mechanism, improve device cleaning efficiency, increase device function diversity, improve the device and control the convenience, increase different freight train motorcycle type adaptability.
The utility model discloses a scalable spray set for freight train carwash, coupling mechanism includes first bearing 14, transmission shaft 15, drive gear 16, lower connecting piece 17, upper junction spare 18 and bolt 19, the installation box 5 right-hand member is provided with the multiunit shaft hole, first bearing 14 is connected with the coaxial cooperation in installation box 5 shaft hole, transmission shaft 15 is connected with the coaxial cooperation of first bearing 14, drive gear 16 is installed at the 15 left ends of transmission shaft coaxially, multiunit drive gear 16 meshes with first straight-tooth bar 10 respectively and is connected, lower connecting piece 17 is installed at the 15 right-hand member of transmission shaft, be provided with the screw hole on lower connecting piece 17, upper connecting piece 18 is installed at the 17 top of lower connecting piece through bolt 19 and the 17 screw holes cooperation of lower connecting piece, the spraying mechanism output is connected with lower connecting piece 17 and upper connecting piece 18 cooperation respectively; make transmission shaft 15 and install bin 5 cooperation rotation through first bearing 14 to be connected, make drive gear 16 and lower connecting piece 17 coaxial fit through transmission shaft 15 and connect, make the spraying mechanism output carry out the centre gripping fixedly through lower connecting piece 17 and the cooperation of last connecting piece 18, make lower connecting piece 17 and the dismouting of being convenient for of being connected of last connecting piece 18 through bolt 19, it makes lower connecting piece 17 and the electronic spraying mechanism output of last connecting piece 18 carry out reciprocal rotation to be connected with first straight rack 10 meshing through drive gear 16, it washs the interval to spray to improve the device, increase device function diversity, increase device convenience in use.
The utility model discloses a scalable spray set for freight train carwash machine, spraying mechanism include water pump 20, hose 21 and high pressure nozzle 22, the water pump 20 cooperates and installs in the rear end of mounting bracket 2, high pressure nozzle 22 cooperates through upper connector 18 and bolt 19 to support, hose 21 cooperates with the output end of water pump 20 and high pressure nozzle 22 to be connected respectively, water pump 20 is connected with control switch 13 electricity; make water pump 20 and high pressure nozzle 22 carry out the flexible coupling through hose 21, spray after making the water pressurization through water pump 20 and high pressure nozzle 22 cooperation, improve the clean and tidy degree of device, increase carwash efficiency, reduce hand labor.
The utility model discloses a scalable spray set for freight train carwash machine, actuating mechanism include sliding sleeve 23, tie-beam 24, second spur rack 25 and power unit, sliding sleeve 23 is installed inside the logical groove of mounting bracket 2 rear end, tie-beam 24 is installed at the mounting box 5 rear end, tie-beam 24 and sliding sleeve 23 cooperation sliding connection, second spur rack 25 is installed inside the 24 slotted holes of tie-beam, power unit cooperates with mounting bracket 2 cavity and second spur rack 25 respectively and is connected; make second spur rack 25 stable installation in 5 rear ends of installing bin through tie-beam 24, through tie-beam 24 with be connected with the sliding sleeve 23 cooperation and make device joint strength increase, it is convenient for adjust to be connected to make installing bin 5 be located 2 cavity internal positions of mounting bracket through power unit and second spur rack 25 cooperation, make high pressure nozzle 22 and truck apart from adjusting through adjusting 5 operating position of installing bin, the water pressure washout adaptability when improving and washing, increase functional diversity, prevent that the freight train from berthing the washing degree of difficulty that does not target in place caused.
The utility model discloses a scalable spray set for freight train carwash, power unit include motor frame 26, power motor 27 and drive gear 28, power motor 27 installs in the cavity left end of mounting bracket 2 through motor frame 26, drive gear 28 is coaxial-mounted in the output end of power motor 27 right side, drive gear 28 is connected with the meshing of second spur rack 25, power motor 27 is connected with control switch 13 electricity; make power motor 27 stabilizing support inside mounting bracket 2 cavity through motor frame 26, drive gear 28 through power motor 27 and rotate and be connected with the meshing of second spur rack 25 and make install bin 5 be located 2 cavity internal position of mounting bracket and be convenient for adjust, improve device functional diversity, increase the device and control the convenience.
The utility model discloses a telescopic spray device for truck washing machine, which also comprises a protective cover 29, the protective cover 29 is arranged at the through cavity at the rear end of the mounting frame 2, and the connecting beam 24 is positioned in the inner cavity of the protective cover 29; the anti-collision protection is performed when the position of the connecting beam 24 is moved by the protective cover 29, so that the use safety of the device is improved, the site adaptability of the device is improved, and the attractiveness of the device is improved.
The utility model discloses a scalable spray set for freight train car washer still includes motor case 30, and motor case 30 is installed on the top of installation case 5, and driving motor 7 and swing frame 11 are all located inside the motor case 30 slot cavity; make swing frame 11 and bent axle 12 transmission carry out safety protection through motor case 30, improve device transmission stability, increase and carry out rain-proof water protection to driving motor 7, improve device and use adaptability.
The utility model discloses a telescopic spraying device for a truck washing machine, which also comprises a limiting seat 31, wherein the limiting seat 31 is installed at the left end of the cavity of the installation box 5 in a matching way; make install bin 5 activity stroke spacing through spacing seat 31, prevent that install bin 5 displacement from causing the damage to power motor 27 collision, the device safety in utilization that improves increases device life.
The utility model discloses a telescopic spray device for truck washing machine, which also comprises adjusting support feet 32, wherein a plurality of groups of adjusting support feet 32 are arranged at the bottom end of the base 1 in a matching way; the supporting stability of the device is increased by matching the multiple groups of adjusting support feet 32, the leveling convenience of the device is improved, and the adaptability of a placing place is increased.
The utility model discloses a telescopic spray device for truck washing machine, which also comprises a limit beam 33, wherein the limit beam 33 is arranged at the rear end of the connecting beam 24 in a matching way; the installation box 5 is enabled to move forwards for a stroke for limiting through the limiting beam 33, the use safety of the device is improved, and the device is prevented from falling off in work.
The installation mode, the connection mode or the setting mode of the telescopic spray device for the truck washing machine of the utility model are common mechanical modes, and the telescopic spray device can be implemented as long as the beneficial effects can be achieved; the utility model discloses a but freight train car washer is with scalable spray set's driving motor 7, control switch 13, water pump 20 and motor power 27 purchase on the market, technical personnel only need according to its subsidiary instructions of use install and operate can in this industry.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The telescopic spraying device for the truck and car washer is characterized by comprising a base (1), an installation frame (2), a supporting mechanism, a spraying mechanism and a driving mechanism, wherein the installation frame (2) is installed at the top end of the base (1), the spraying mechanism, the supporting mechanism and the driving mechanism are respectively connected with the installation frame (2) in a matched manner, and the spraying mechanism and the driving mechanism are respectively connected with the supporting mechanism in a matched manner;
the supporting mechanism comprises a supporting chute (3), a supporting slide rail (4), an installation box (5), a motor base (6), a driving motor (7), a shaft sleeve (8), a guide shaft (9), a first straight rack (10), a swinging frame (11), a crankshaft (12), a control switch (13) and a connecting mechanism, wherein the supporting chute (3) is arranged at the left end of a cavity of the installation frame (2) in a matching way, the supporting slide rail (4) is arranged at the left end of the installation box (5) in a matching way, the supporting slide rail (4) is connected with the supporting chute (3) in a matching and sliding way, the driving motor (7) is arranged at the top end of the installation box (5) through the motor base (6), the shaft sleeve (8) is respectively arranged inside a through hole of the installation box (5), the guide shafts (9) are symmetrically arranged at the upper end and the lower end of the first straight rack (10), and the guide shafts (9) are connected with the shaft sleeve (8) in a matching and sliding way, swing frame (11) are installed on guiding axle (9) top, bent axle (12) coaxial arrangement is at driving motor (7) rear side output, bent axle (12) and swing frame (11) inner chamber cooperation sliding connection, control switch (13) are installed at mounting bracket (2) right-hand member, driving motor (7) are connected with control switch (13) electricity, and the multiunit coupling mechanism installs at install bin (5) right-hand member, coupling mechanism is connected with first rack (10) cooperation respectively, the spraying mechanism output is connected with the coupling mechanism cooperation.
2. The retractable spray device for the truck washing machine according to claim 1, wherein the connecting mechanism comprises a first bearing (14), a transmission shaft (15), a transmission gear (16), a lower connecting piece (17), an upper connecting piece (18) and a bolt (19), the right end of the installation box (5) is provided with a plurality of groups of shaft holes, the first bearing (14) is coaxially matched and connected with the shaft holes of the installation box (5), the transmission shaft (15) is coaxially matched and connected with the first bearing (14), the transmission gear (16) is coaxially installed at the left end of the transmission shaft (15), the plurality of groups of transmission gears (16) are respectively meshed and connected with the first straight rack (10), the lower connecting piece (17) is installed at the right end of the transmission shaft (15), the lower connecting piece (17) is provided with a threaded hole, the upper connecting piece (18) is installed at the top end of the lower connecting piece (17) in a matching manner with the threaded hole of the lower connecting piece (17) through the bolt (19), the output end of the spraying mechanism is respectively connected with the lower connecting piece (17) and the upper connecting piece (18) in a matching way.
3. The retractable spray device for the truck washing machine according to claim 1, characterized in that the spray mechanism comprises a water pump (20), a hose (21) and a high-pressure spray head (22), the water pump (20) is fittingly installed at the rear end of the mounting frame (2), the high-pressure spray head (22) is fittingly supported by an upper connector (18) and a bolt (19), the hose (21) is fittingly connected with the output end of the water pump (20) and the high-pressure spray head (22), and the water pump (20) is electrically connected with the control switch (13).
4. The retractable spray device for the truck washing machine as claimed in claim 1, wherein the driving mechanism comprises a sliding sleeve (23), a connecting beam (24), a second spur rack (25) and a power mechanism, the sliding sleeve (23) is installed inside a through groove at the rear end of the mounting rack (2), the connecting beam (24) is installed at the rear end of the mounting box (5), the connecting beam (24) is in fit sliding connection with the sliding sleeve (23), the second spur rack (25) is installed inside a slotted hole of the connecting beam (24), and the power mechanism is in fit connection with the cavity of the mounting rack (2) and the second spur rack (25) respectively.
5. The retractable spray device for the truck washing machine as claimed in claim 4, wherein the power mechanism comprises a motor frame (26), a power motor (27) and a driving gear (28), the power motor (27) is mounted at the left end of the cavity of the mounting frame (2) through the motor frame (26), the driving gear (28) is coaxially mounted at the right output end of the power motor (27), the driving gear (28) is meshed with the second spur rack (25) and is connected with the power motor (27) electrically, and the control switch (13) is connected with the power motor (27).
6. The retractable shower system for a truck washer according to claim 4, characterized in that it further comprises a protective hood (29), said protective hood (29) being mounted at the rear end through cavity of the mounting frame (2), said connecting beam (24) being located in the inner cavity of the protective hood (29).
7. The retractable spray system of claim 1, further comprising a motor housing (30), wherein the motor housing (30) is mounted on top of the mounting box (5), and the drive motor (7) and the swing frame (11) are located inside a cavity of the motor housing (30).
8. The retractable spray system of claim 1, further comprising a limiting seat (31), wherein the limiting seat (31) is installed at the left end of the cavity of the installation box (5).
9. The retractable spray device for a truck washing machine according to claim 1, further comprising adjusting legs (32), wherein a plurality of sets of the adjusting legs (32) are cooperatively mounted at the bottom end of the base (1).
10. The retractable shower system for a truck washer according to claim 4, further comprising a stopper beam (33), wherein the stopper beam (33) is fittingly installed at the rear end of the connection beam (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122888333.0U CN217477260U (en) | 2021-11-23 | 2021-11-23 | Telescopic spraying device for truck washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122888333.0U CN217477260U (en) | 2021-11-23 | 2021-11-23 | Telescopic spraying device for truck washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217477260U true CN217477260U (en) | 2022-09-23 |
Family
ID=83302462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122888333.0U Active CN217477260U (en) | 2021-11-23 | 2021-11-23 | Telescopic spraying device for truck washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217477260U (en) |
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2021
- 2021-11-23 CN CN202122888333.0U patent/CN217477260U/en active Active
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