CN203736133U - Labor-saving multi-head spiral mop rod - Google Patents
Labor-saving multi-head spiral mop rod Download PDFInfo
- Publication number
- CN203736133U CN203736133U CN201420075706.XU CN201420075706U CN203736133U CN 203736133 U CN203736133 U CN 203736133U CN 201420075706 U CN201420075706 U CN 201420075706U CN 203736133 U CN203736133 U CN 203736133U
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- spiral
- helix tube
- pipe
- tommy bar
- mop
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Abstract
The utility model discloses a labor-saving multi-head spiral mop rod which is formed by an upper mop pipe, a spiral pipe and an inner pipe. A hanging head is arranged at the upper end of the upper mop pipe, the lower end of the upper mop pipe is fixedly connected with the upper end of the spiral pipe through a connecting device, the spiral pipe is arranged in the inner pipe in a sleeved mode, spiral grooves are formed in the inner wall of the spiral pipe, a ratchet wheel piece set is arranged above the inner pipe and can rotate along the spiral grooves of the spiral pipe and drive the inner pipe to rotate together, a locking device is arranged at the lower end of the spiral pipe, and the locking deice is used for limiting the moving state of the inner pipe relative to the spiral pipe. According to the labor-saving multi-head spiral mop rod, due to the fact that the spiral grooves are formed in the inner wall of the spiral pipe, spiral protrusions are arranged on a movable ratchet wheel, and the mutual action of the spiral grooves and the spiral protrusions are used for enabling the inner pipe fixedly connected to the lower end of a fixed ratchet wheel to generate self-rotation when the inner pipe moves up and down relative to the spiral pipe. Meanwhile, the labor-saving multi-head spiral mop rod is simpler in structure, better in working stability and lower in production cost, and smaller effort is needed when the spiral pipe is manually pressed down.
Description
Technical field
The utility model relates to a kind of mop, is specifically related to a kind of laborsaving multi-head spiral mop rod.
Background technology
Mop is a kind of burnisher conventional in daily life.We,, using after mop, need to clean and dewater it, can reuse.For cleaning and the dehydration of Convenient mop, the patent No. is ZL200820212465.3, and the utility model patent that name is called " mop and dehydrating barrel combining device " discloses a kind of foot-pedal type dewatering device and mop thereof.The wherein part of the mophead on mop is can freely rotate with respect to mop rod.When use, mophead is placed in dewatering basket, by the pedal of foot drive device, thereby drives dewatering basket and mophead rotation.Like this, under the effect of centrifugal force, the moisture on mop will automatic trip from, thereby reached the object of dehydration.
Application number: CN200920214941.X, the utility model relates to a kind of mop, especially relates to a kind of rotary dehydration mop of energy automatic dehydration.Power switching device of the present utility model is arranged on and hangs in head, makes rotary dehydration mop compact conformation, has omitted a large amount of working of plastics, and production cost is reduced.A kind of rotation of the present utility model mop of slipping out of the hand, comprises and hangs head, mophead and pipe joint, described in hang that head is divided into inner tube and outer bar forms, it is characterized in that: between inner tube and outer bar, be also provided with rotating driving device; Described rotating driving device is made up of screw rod, actuator and rotor, and described screw rod is fixed in outer bar by fixture; Described actuator is enclosed within rotor, and with the tooth of rotor, intermeshing in the time of forward, then engage by gland; Wherein, the inner tubal wall of rotor and interior tube head is connected.The connector end of the cooperation of described inner tube and outer bar is provided with pipe joint.The utility model has the advantages that: simple in structure, save a large amount of working of plastics, reduce the expense of grinding tool, production cost is reduced.
Above-mentioned mop rod of the prior art, because of its rotating driving device adopting comparatively complicated, thereby cause its production cost still higher, and required Manual pressure is larger while using, in addition, its job stability is also poor.
Therefore, we need a kind of structure comparatively simple, and production cost is lower, and required Manual pressure is less, the mop rod of good operating stability.
Summary of the invention
The purpose of this utility model is to solve mop rod in prior art, and structure is comparatively complicated, and production cost is higher, when use, required Manual pressure is larger, and the problem of poor work stability provides one more laborsaving, structure is simpler, and production cost is lower, the better mop rod of job stability.
For achieving the above object, the technical scheme that the utility model adopts is as follows:
Laborsaving multi-head spiral mop rod, by upper mop pipe, helix tube and inner tube form, the upper end of described upper mop pipe is provided with hangs head, the upper end of its lower end and helix tube is affixed by jockey, described helix tube is sheathed on inner tube, it is characterized in that: described helix tube inwall is provided with helical groove, the top of described inner tube is provided with ratchet member group, described ratchet member group can be along the helical groove rotation of helix tube, and drive inner tube to rotate together, described helix tube lower end is provided with locking device, described locking device is in order to lock/to loosen inner tube and helix tube, make between the two relative to static or rotate.
Described ratchet member group is made up of movable ratchet and fixed ratchet wheel, and described movable ratchet is connected in the axis of guide of fixed ratchet wheel by self-tapping screw and pad, make it intermeshing, and described fixed ratchet wheel bottom and inner tube top are affixed.
Described movable ratchet outer wall is provided with the spiral salient being meshed with the helical groove of helix tube, the quantity of described spiral salient is identical with the quantity of helical groove, this activity ratchet bottom is provided with promotion face, between each promotion face, be provided with ramp, described movable ratchet is provided with connecting through hole.
The top of described fixed ratchet wheel is provided with stress surface, between each stress surface, be provided with lower inclined plane, the upper end of this fixed ratchet wheel is provided with the axis of guide, contact with movable ratchet at fixed ratchet wheel while cooperation, this axis of guide is plugged in the connecting through hole of movable ratchet, described fixed ratchet wheel top is provided with screwed hole, in order to coordinate with self-tapping screw, be provided with the drive block of rectangle at the top of the axis of guide, described pad middle part is provided with square hole, described fixed ratchet wheel lower end is provided with cylinder, and described cylinder is fixed on inner tube top.
Described locking device comprises tommy bar locking member, limited slip block rubber, rubber protecting cover, locking tommy bar and tommy bar Locking bushing, described tommy bar locking member upper end is socketed on the lower end of helix tube, described limited slip block rubber is connected in rubber protecting cover, described locking tommy bar is movably connected on tommy bar locking member by tommy bar pin, and described tommy bar Locking bushing embeds tommy bar locking member bottom.
The side of described tommy bar locking member is provided with breach, is provided with chucking lug in the periphery of described breach, and described tommy bar locking member inwall bottom is provided with positioning boss, and described tommy bar locking member inwall is positioned at positioning boss top and is provided with connection boss.
Described locking tommy bar adjacent end position is provided with connecting hole, centered by connecting hole, be provided with one section of arc surface, seamlessly transit and be provided with one section of locking boss face with arc surface, the distance at described locking boss face and connecting hole center is greater than the distance at described arc surface and connecting hole center.
Described tommy bar Locking bushing sidewall is provided with liner breach, in liner breach, is provided with blocking teeth, and described tommy bar Locking bushing sidewall top is provided with connection breach, can embed the positioning boss of tommy bar locking member.
Described helix tube top is provided with spiral locating part, below spiral locating part, be provided with buffer spring, described spiral locating part middle part is provided with locating part through hole, described helix tube bottom is provided with lining locating part, described lining locating part bottom sidewall is provided with lining locating piece, above lining locating piece, establish lining through hole, described helix tube lower end is provided with helix tube breach, this helix tube breach coordinates with the lining locating piece of lining locating part, play positioning action, described helix tube is provided with hole under helix tube above contiguous helix tube breach, can embed the connection boss of tommy bar locking member, described helix tube upper end is provided with hole on helix tube, the quantity of described helical groove is 3.
Described jockey comprises that connection shell fragment and pipe are to female connector, the V-shaped design of described connection shell fragment, its one end is provided with shell fragment boss, hole on the helix tube of described shell fragment boss embedding helix tube, described pipe is socketed on upper mop pipe and helix tube to female connector, this pipe is provided with docking trepanning to female connector sidewall, and mop pore is established in the lower end of described upper mop pipe, described in hang centriciput and be provided with passage.
Compared with prior art, the utility model has the advantage of: the utility model arranges helical groove by the inwall at helix tube, and be provided with spiral salient at movable ratchet outer wall, utilize the interaction of helical groove and spiral salient, thereby make to be fixed in the inner tube of fixed ratchet wheel lower end, in the time that helix tube moves up and down relatively, produce rotation.Now, the utility model structure is more simple, and job stability is better, and production cost is lower.Meanwhile, in the time manually pressing down helix tube, required power is less.
Brief description of the drawings
Fig. 1 is the assembling schematic diagram of the utility model embodiment;
Fig. 2 is the exploded perspective view that does not comprise mop pipe in the utility model embodiment overall structure and hang head;
Fig. 3 is the schematic perspective view of movable ratchet in Fig. 2;
Fig. 4 is the front elevational schematic of movable ratchet in Fig. 2;
Fig. 5 is the schematic perspective view of fixed ratchet wheel in Fig. 2;
Fig. 6 is the schematic perspective view of Fig. 2 Intermediate gasket;
Fig. 7 is the exploded perspective view of locking device in Fig. 1;
Fig. 8 is the front elevational schematic of tommy bar locking member in Fig. 7;
Fig. 9 is the schematic top plan view of tommy bar locking member in Fig. 7;
Figure 10 is the partial schematic sectional view of tommy bar locking member in Fig. 7;
Figure 11 is the front elevational schematic of locking tommy bar in Fig. 7;
Figure 12 is the schematic perspective view of tommy bar Locking bushing in Fig. 7;
Figure 13 is the schematic perspective view of lining locating part in Fig. 2;
Figure 14 is the schematic perspective view of helix tube in Fig. 1;
Figure 15 is the schematic perspective view of upper mop pipe in Fig. 1;
Figure 16 is the schematic perspective view that connects shell fragment in Fig. 2;
Figure 17 is the schematic perspective view of pipe to female connector in Fig. 2;
Figure 18 is the schematic perspective view of spiral locating part in Fig. 2;
Figure 19 is longitudinal cross-sectional schematic of hanging head in Fig. 1.
Detailed description of the invention
Below in conjunction with accompanying drawing, introduce in detail a kind of embodiment of the present utility model.
As depicted in figs. 1 and 2, laborsaving multi-head spiral mop rod, is made up of upper mop pipe 1, helix tube 2 and inner tube 3.The upper end of upper mop pipe 1 is provided with hangs 11, and this hangs 11 can person easy to use hold mop rod.The upper end of the lower end of upper mop pipe 1 and helix tube 2 is affixed by jockey 9.Helix tube 2 is sheathed on inner tube 3, and helix tube 2 tops are provided with spiral locating part 6, are provided with buffer spring 7 below spiral locating part 6, and helix tube 2 bottoms are provided with lining locating part 8.Helix tube 2 inwalls are provided with helical groove 21(note: in figure, 21 indication positions are the corresponding outer wall positions of helical groove 21), the quantity of helical groove 21 is 3.The top of inner tube 3 is provided with ratchet member group 4.Ratchet member group 4 is made up of movable ratchet 41 and fixed ratchet wheel 42, and movable ratchet 41 is by self-tapping screw 43, and pad 44, is connected in the axial of fixed ratchet wheel 42.As shown in Figure 3 and Figure 4, movable ratchet 41 outer walls are provided with spiral salient 411, and described spiral salient 411 is meshed with the helical groove 21 of helix tube 2, and the quantity of described spiral salient 411 is 3.These activity ratchet 41 bottoms are provided with promotion face 412, are provided with ramp 413 between each promotion face 412, and movable ratchet 41 is provided with connecting through hole 414.As shown in Figure 5, the top of fixed ratchet wheel 42 is provided with stress surface 421, between each stress surface 421, is provided with lower inclined plane 422.The upper end of this fixed ratchet wheel 42 is provided with the axis of guide 423, contacts while cooperation at fixed ratchet wheel 42 with movable ratchet 41, and this axis of guide 423 is plugged in the connecting through hole 414 of movable ratchet 41.Fixed ratchet wheel 42 tops are provided with screwed hole 424, in order to coordinate with self-tapping screw 43.Be provided with the drive block 425 of rectangle at the top of the axis of guide 423, fixed ratchet wheel 42 lower ends are provided with cylinder 426, and cylinder 426 is for affixed with inner tube 3.As shown in Figure 6, pad 44 middle parts are provided with square hole 441, and the shape of this square hole 441 is identical with drive block 425 exterior contours, and this pad 44 is connected in drive block 425 outsides, with can be with drive block 425 synchronous rotaries.At the helical groove 21 of helix tube 2, under the interaction of the spiral salient 411 of movable ratchet 41, make movable ratchet 41, in the time that helix tube 2 moves up and down relatively, can produce rotation.Meanwhile, again at the thrust face 412 of movable ratchet 41, under the interaction of the stress surface 421 of fixed ratchet wheel 42, when movable ratchet 41 time rotationals, can drive again fixed ratchet wheel 42, and inner tube 3 is rotated together.Be arranged on the spiral locating part 6 of helix tube 2 tops, and the lining locating part 8 of its below, can limit ratchet member group 4 and inner tube 3, with respect to the scope moving up and down of helix tube 2.Buffer spring 7, in spiral locating part 6 and ratchet member group 4 contact processes, plays cushioning effect.
As shown in Figure 1, helix tube 2 lower ends are provided with locking device 5, and locking device 5 is in order to limit the motion state of inner tube 3 with respect to helix tube 2.As shown in Figure 7, locking device 5 comprises tommy bar locking member 51, limited slip block rubber 52, rubber protecting cover 53, locking tommy bar 54 and tommy bar Locking bushing 55, tommy bar locking member 51 upper ends are socketed on the lower end of helix tube 2, limited slip block rubber 52 is connected in rubber protecting cover 53, locking tommy bar 54 is by tommy bar pin 56, be movably connected on the chucking lug 512 of tommy bar locking member 51, tommy bar Locking bushing 55 embeds tommy bar locking member 51 bottoms.As shown in Fig. 8～Figure 10, the side of tommy bar locking member 51 is provided with breach 511, and tommy bar locking member 51 inwall bottoms are provided with positioning boss 513, and tommy bar locking member 51 inwalls are positioned at positioning boss 513 tops and are provided with connection boss 514.Shown in the Figure 11 of institute, locking tommy bar 54 adjacent end positions are provided with connecting hole 541, centered by connecting hole 541, be provided with one section of arc surface 542, seamlessly transit and be provided with one section of locking boss face 543 with arc surface 542, the distance at locking boss face 543 and connecting hole 541 centers is greater than the distance at arc surface 542 and connecting hole 541 centers.As shown in figure 12, tommy bar Locking bushing 55 sidewalls are provided with liner breach 551, are provided with blocking teeth 552 in liner breach 551, and tommy bar Locking bushing 55 sidewall tops are provided with and connect breach 553, can embed the positioning boss 513 of tommy bar locking member 51.Manually control locking tommy bar 54 and rotate around the axis of tommy bar pin 56, and in the time that locking boss face 543 contacts with rubber protecting cover 53, will promote rubber protecting cover 53, and limited slip block rubber 52, move to inner tube 3 directions.Under the effect of frictional force, limited slip block rubber 52 will tightly block inner tube 3, thereby restriction inner tube 3 moves up and down with respect to helix tube 2.At rubber protecting cover 53, and limited slip block rubber 52, in inner tube 3 direction moving process, will make the blocking teeth 552 of tommy bar Locking bushing 55 produce deformation.When rotation lock tommy bar 54, and make to lock boss face 543 and depart from while contact with rubber protecting cover 53, under blocking teeth 552 deformation effect power, to promote rubber protecting cover 53, and limited slip block rubber 52, move to locking tommy bar 54 directions, thereby limited slip block rubber 52 is departed from and the contacting of inner tube 3, now inner tube 3 can move relative to helix tube 2 easy on and off.
As shown in figure 13, lining locating part 8 bottom sidewalls are provided with lining locating piece 81, establish lining through hole 82 above lining locating piece 81, and this lining through hole 82 coordinates with the boss 514 that is connected of tommy bar locking member 51.As shown in figure 14, helix tube 2 lower ends are provided with helix tube breach 22, this helix tube breach 22 coordinates with the lining locating piece 81 of lining locating part 8, play positioning action, helix tube 2 is provided with hole 23 under helix tube above contiguous helix tube breach 22, can embed the connection boss 514 of tommy bar locking member 51, helix tube 2 upper ends are provided with hole 24 on helix tube.As shown in figure 15, mop pore 12 is established in the lower end of upper mop pipe 1.As shown in Figure 2, jockey 9 comprises and connects shell fragment 91 and pipe to female connector 92, as shown in figure 16, connects the V-shaped design of shell fragment 91, and its one end is provided with shell fragment boss 911, and shell fragment boss 911 embeds hole 24 on the helix tube of helix tube 2.Pipe is socketed on upper mop pipe 1 and helix tube 2 to female connector 92, and as shown in figure 17, pipe is provided with docking trepanning 921 to female connector 92 sidewalls.
Interior when flexible at helix tube 2 in order to ensure inner tube 3, the air pressure in helix tube 2 keeps balance, and as shown in Figure 18 and Figure 19, the utility model is being provided with locating part through hole 61 at spiral locating part 6 middle parts, is provided with passage 111 hanging 11 middle part simultaneously.
Below by reference to the accompanying drawings embodiment of the present utility model is explained in detail; but the utility model is not limited to above-mentioned embodiment; in the ken possessing those of ordinary skill in the art; can also under the prerequisite that does not depart from the utility model aim, make various changes and modifications, these changes and improvements all fall in the protection domain of the utility model requirement.
Claims (10)
1. laborsaving multi-head spiral mop rod, by upper mop pipe (1), helix tube (2) and inner tube (3) form, the upper end of described upper mop pipe (1) is provided with hangs head (11), the upper end of its lower end and helix tube (2) is affixed by jockey (9), described helix tube (2) is sheathed on inner tube (3), it is characterized in that: described helix tube (2) inwall is provided with helical groove (21), the top of described inner tube (3) is provided with ratchet member group (4), described ratchet member group (4) can be rotated along the helical groove of helix tube (2) (21), and drive inner tube (3) to rotate together, described helix tube (2) lower end is provided with locking device (5), described locking device (5) is in order to lock/to loosen inner tube (3) and helix tube (2), make between the two relative to static or rotate.
2. laborsaving multi-head spiral mop rod according to claim 1, it is characterized in that: described ratchet member group (4) is made up of movable ratchet (41) and fixed ratchet wheel (42), described movable ratchet (41) is connected in the axis of guide (423) of fixed ratchet wheel (42) by self-tapping screw (43) and pad (44), make it intermeshing, described fixed ratchet wheel (42) bottom and inner tube (3) top are affixed.
3. laborsaving multi-head spiral mop rod according to claim 2, it is characterized in that: described movable ratchet (41) outer wall is provided with the spiral salient (411) being meshed with the helical groove (21) of helix tube (2), the quantity of described spiral salient (411) is identical with the quantity of helical groove (21), this activity ratchet (41) bottom is provided with promotion face (412), between each promotion face (412), be provided with ramp (413), described movable ratchet (41) is provided with connecting through hole (414).
4. laborsaving multi-head spiral mop rod according to claim 2, it is characterized in that: the top of described fixed ratchet wheel (42) is provided with stress surface (421), between each stress surface (421), be provided with lower inclined plane (422), the upper end of this fixed ratchet wheel (42) is provided with the axis of guide (423), contact with movable ratchet (41) at fixed ratchet wheel (42) while cooperation, this axis of guide (423) is plugged in the connecting through hole (414) of movable ratchet (41), described fixed ratchet wheel (42) top is provided with screwed hole (424), in order to coordinate with self-tapping screw (43), be provided with the drive block (425) of rectangle at the top of the axis of guide (423), described pad (44) middle part is provided with square hole (441), described fixed ratchet wheel (42) lower end is provided with cylinder (426), described cylinder (426) is fixed on inner tube (3) top.
5. laborsaving multi-head spiral mop rod according to claim 1, it is characterized in that: described locking device (5) comprises tommy bar locking member (51), limited slip block rubber (52), rubber protecting cover (53), locking tommy bar (54) and tommy bar Locking bushing (55), described tommy bar locking member (51) upper end is socketed on the lower end of helix tube (2), described limited slip block rubber (52) is connected in rubber protecting cover (53), described locking tommy bar (54) is movably connected on tommy bar locking member (51) by tommy bar pin (56), described tommy bar Locking bushing (55) embeds tommy bar locking member (51) bottom.
6. laborsaving multi-head spiral mop rod according to claim 5, it is characterized in that: the side of described tommy bar locking member (51) is provided with breach (511), be provided with chucking lug (512) in the periphery of described breach (511), described tommy bar locking member (51) inwall bottom is provided with positioning boss (513), and described tommy bar locking member (51) inwall is positioned at positioning boss (513) top and is provided with connection boss (514).
7. laborsaving multi-head spiral mop rod according to claim 5, it is characterized in that: described locking tommy bar (54) adjacent end position is provided with connecting hole (541), centered by connecting hole (541), be provided with one section of arc surface (542), seamlessly transit and be provided with one section of locking boss face (543) with arc surface (542), the distance at described locking boss face (543) and connecting hole (541) center is greater than the distance at described arc surface (542) and connecting hole (541) center.
8. laborsaving multi-head spiral mop rod according to claim 5, it is characterized in that: described tommy bar Locking bushing (55) sidewall is provided with liner breach (551), in liner breach (551), be provided with blocking teeth (552), described tommy bar Locking bushing (55) sidewall top is provided with and connects breach (553), can embed the positioning boss (513) of tommy bar locking member (51).
9. laborsaving multi-head spiral mop rod according to claim 1, it is characterized in that: described helix tube (2) top is provided with spiral locating part (6), be provided with buffer spring (7) in the below of spiral locating part (6), described spiral locating part (6) middle part is provided with locating part through hole (61), described helix tube (2) bottom is provided with lining locating part (8), described lining locating part (8) bottom sidewall is provided with lining locating piece (81), establish lining through hole (82) in the top of lining locating piece (81), described helix tube (2) lower end is provided with helix tube breach (22), this helix tube breach (22) coordinates with the lining locating piece (81) of lining locating part (8), play positioning action, described helix tube (2) is provided with hole under helix tube (23) in contiguous helix tube breach (22) top, can embed the connection boss (514) of tommy bar locking member (51), described helix tube (2) upper end is provided with hole on helix tube (24), the quantity of described helical groove (21) is 3.
10. laborsaving multi-head spiral mop rod according to claim 1, it is characterized in that: described jockey (9) comprises that connection shell fragment (91) and pipe are to female connector (92), the V-shaped design of described connection shell fragment (91), its one end is provided with shell fragment boss (911), hole (24) on the helix tube of described shell fragment boss (911) embedding helix tube (2), described pipe is socketed on upper mop pipe (1) and helix tube (2) to female connector (92), this pipe is provided with docking trepanning (921) to female connector (92) sidewall, mop pore (12) is established in the lower end of described upper mop pipe (1), described head (11) middle part of hanging is provided with passage (111).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420075706.XU CN203736133U (en) | 2014-02-21 | 2014-02-21 | Labor-saving multi-head spiral mop rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420075706.XU CN203736133U (en) | 2014-02-21 | 2014-02-21 | Labor-saving multi-head spiral mop rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203736133U true CN203736133U (en) | 2014-07-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420075706.XU Expired - Fee Related CN203736133U (en) | 2014-02-21 | 2014-02-21 | Labor-saving multi-head spiral mop rod |
Country Status (1)
| Country | Link |
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| CN (1) | CN203736133U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103750793A (en) * | 2014-02-21 | 2014-04-30 | 嘉华金属(上海)有限公司 | Labor-saving tri-head spiral mop rod |
-
2014
- 2014-02-21 CN CN201420075706.XU patent/CN203736133U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103750793A (en) * | 2014-02-21 | 2014-04-30 | 嘉华金属(上海)有限公司 | Labor-saving tri-head spiral mop rod |
| WO2015123954A1 (en) * | 2014-02-21 | 2015-08-27 | 嘉华金属(上海)有限公司 | Labor-saving multi-section spiral mop handle |
| CN103750793B (en) * | 2014-02-21 | 2016-01-13 | 嘉华金属(上海)有限公司 | Laborsaving three spiral mop rods |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 Termination date: 20210221 |
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| CF01 | Termination of patent right due to non-payment of annual fee |