CN209743104U - Plunger unit, pump, high-pressure cleaning machine and handheld high-pressure cleaning machine - Google Patents
Plunger unit, pump, high-pressure cleaning machine and handheld high-pressure cleaning machine Download PDFInfo
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- CN209743104U CN209743104U CN201920403150.5U CN201920403150U CN209743104U CN 209743104 U CN209743104 U CN 209743104U CN 201920403150 U CN201920403150 U CN 201920403150U CN 209743104 U CN209743104 U CN 209743104U
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Abstract
the utility model discloses a plunger unit, including the plunger body, the one end of the plunger body is the end of intaking, the other end of the plunger body is for going out the water end, plunger body cavity is equipped with the limbers, be equipped with in the limbers and be used for injecing rivers by the one-way structure of intaking end court water end one-way circulation. The utility model provides a compact structure, response are rapid, part cost is little, structural design is reasonable plunger unit, pump and high pressure cleaner.
Description
Technical Field
The utility model relates to a plunger unit; the utility model discloses still relate to a pump, especially an adopt high pressure cleaner of this pump.
background
The high pressure cleaning machine is one cleaning apparatus with water flow pressurized by a power unit to produce high pressure water to wash the surface of the article, and the impact force of the water is greater than the adhesion force between dirt and the surface of the article to make the dirt be stripped and washed away with the high pressure water. Because the high-pressure water column is used for cleaning dirt, a little cleaner is needed to be added unless the dirt is stubborn oil stain, and the foam generated by strong water pressure can take away the common dirt, the high-pressure cleaning is also one of the most scientific, economic and environment-friendly cleaning modes acknowledged in the world. However, the related high-pressure washing machine products on the market at present have poor portability, can be used only in limited scenes and places, and cannot be cleaned by users at any time and any place. The main reasons affecting the portability of the high pressure washer are mainly due to the large volume occupied by the pump in the high pressure washer and the heavy weight of the pump.
In the prior art, a mechanism for pressurizing water flow in a plunger pump mainly comprises a plunger body, a water inlet one-way valve and a water outlet one-way valve, wherein the water flow enters a pressurizing cavity through the water inlet one-way valve, the plunger body pressurizes the water flow in the pressurizing cavity after moving, pressurized high-pressure water is supplied out through the water outlet one-way valve, two one-way valves are required to be arranged on one plunger, the requirement on installation space is large, and the cost of parts is increased, and generally, for the requirement of stable high-pressure water output, a plurality of plungers are arranged, and each plunger is provided with two one-way valves, so that the mechanism of the pump is more complicated, the weight, the volume and the cost are increased, and for the plunger pump, the design of the pressurizing structure, the arrangement mode of the internal flow channels and the structural design of the flow channels have important influences on the flow pulsation size, the pressure stability, the manufacturing cost and the like of the high-pressure cleaning machine, and the design method is one of the most studied contents of designers in the field of the high-pressure cleaning machine.
Disclosure of Invention
The utility model discloses the technical problem that will solve is: the plunger unit, the pump and the high-pressure cleaning machine are compact in structure, quick in response, low in part cost and reasonable in structural design.
the utility model provides a technical scheme that above-mentioned problem adopted does: the plunger unit comprises a plunger body, wherein one end of the plunger body is a water inlet end, the other end of the plunger body is a water outlet end, a water through hole is formed in the plunger body in a hollow mode, and a one-way structure used for limiting water flow to flow from the water inlet end to the water outlet end in a one-way mode is arranged in the water through hole.
Preferably, the one-way structure comprises a valve cover arranged on one side of the water through hole and a first elastic piece, the valve cover is elastically pressed on the water through hole by the first elastic piece, and the elastic driving direction of the valve cover by the first elastic piece is opposite to the flowing direction of the water flow from the water inlet end to the water outlet end.
Preferably, the one-way structure further comprises a valve seat, one end of the first elastic part abuts against the valve cover, the other end of the first elastic part abuts against the valve seat, a through groove is formed in the peripheral wall of the valve seat, and the through groove is communicated with the water outlet end.
Preferably, the periphery of the water inlet end of the plunger body is provided with at least one water inlet notch, and the water inlet notch is communicated with the water through hole.
A pump, comprising:
A plunger unit for moving the plunger unit toward the first position,
A shell, wherein a movable cavity for the reciprocating motion of the plunger unit is arranged in the shell, a water outlet hole for outputting high-pressure water is arranged on the shell,
The eccentric mechanism is used for driving the plunger body to move towards the water outlet end so as to pressurize the water flow at the water outlet end,
The second elastic piece is arranged between the shell and the water outlet end of the plunger body and drives the plunger body to return to the position towards the water inlet end through elasticity;
And the water outlet one-way valve is arranged between the water outlet end of the plunger body and the water outlet hole and used for limiting the one-way circulation of water flow from the water outlet end to the water outlet hole.
Preferably, the number of the plunger units is a plurality, the plunger units are distributed at intervals along the circumferential direction of the shell, the axis of the plunger body is arranged in the radial direction of the shell, and the rotating axis of the eccentric mechanism is perpendicular to the axis of the plunger body.
Preferably, the water outlet check valve is arranged in the shell and arranged at intervals along the circumferential direction of the shell, the axis of the water outlet check valve is arranged along the radial direction of the shell, the water outlet check valve and the plunger body are arranged on adjacent cross sections in the shell, and the water inlet end of the water outlet check valve is communicated with the water outlet end of the plunger body.
preferably, the outer wall of the shell is provided with a communicating water channel for communicating the water outlet end of the plunger body with the water inlet end of the water outlet one-way valve.
Preferably, the second elastic member is matched with the valve seat and elastically presses the valve seat in the plunger body.
Preferably, the water inlet end of the plunger body is communicated to form a water inlet cavity, the eccentric mechanism comprises an eccentric block and a driving assembly, the eccentric block is movably arranged in the water inlet cavity, and the driving assembly drives the eccentric block to eccentrically rotate in the water inlet cavity.
preferably, the driving assembly comprises a motor, a gear set and a rotating shaft, the motor is driven by the gear set to drive the rotating shaft to rotate, and the eccentric block is eccentrically arranged on the rotating shaft.
Preferably, the gear set comprises a sun gear arranged on a rotating shaft of the motor, an inner gear ring fixed in the shell, a planetary gear set arranged on the inner gear ring, and a planetary gear carrier, and the rotating shaft is fixedly arranged on the planetary gear carrier.
the high-pressure cleaning machine comprises a pump, a frame body for mounting the pump and a water outlet gun, wherein the pump is connected with the water outlet gun through a high-pressure water pipe.
The utility model provides a hand-held type high pressure cleaner, includes the pump, handle, ejection mechanism and the apopore intercommunication of pump, the handle sets up the one end of keeping away from ejection mechanism on the pump in order to be used for gripping.
Preferably, the ejection mechanism is a nozzle, and the nozzle is directly connected with the shell of the pump and communicated with the water outlet hole.
compared with the prior art, the utility model has the advantages of: the plunger unit cancels the structure of the water inlet one-way valve, and the one-way structure is arranged in the plunger unit, so that the structure is more compact, the manufacturing cost is saved, the water path is simplified, the structural design is more reasonable,
When the eccentric block rotates to abut against the plunger body and drives the plunger body to move towards the water outlet end, the space of the water outlet end is compressed, when the water pressure of the water outlet end is greater than the threshold value of the water outlet one-way valve, the compressed water outputs high-pressure water outwards through the water outlet one-way valve, meanwhile, the sum of the water pressure of the water outlet end and the elasticity of the first elastic piece is greater than the water pressure of the water inlet end, the valve cover separates the water through hole, water flow cannot enter the water inlet end from the water outlet end, meanwhile, the space of the water inlet end is increased, and external water supplements the water inlet end;
When the eccentric block rotates to be separated from the plunger body, the second elastic piece pushes the plunger body to push towards the water inlet end, the space of the water outlet end returns, the water pressure of the water outlet end is reduced, when the sum of the water pressure of the water outlet end and the elastic force of the first elastic piece is smaller than the water pressure of the water inlet end, the valve cover moves away relative to the water through hole, water flow enters the water outlet end from the water inlet end, and water in the water outlet end is supplemented;
in the reciprocating motion of the plunger body, the space of the water outlet end is cyclically increased and compressed, so that water flow enters the water outlet end and is compressed and output from the water outlet one-way valve, meanwhile, because the one-way structure is arranged in the plunger body, the space of the water inlet end is also cyclically increased and compressed along with the reciprocating motion of the plunger body, when the space of the water inlet end is increased, namely the water pressure of the water inlet end is reduced when the plunger body compresses the water at the water outlet end, the external water flow can timely supplement the water inlet end, and when the plunger body moves relative to the water inlet end, the space of the water inlet end is reduced, the water flow at the water inlet end is compressed, the pressurized water flow pushes away the one-way structure to supplement the water at the water outlet end, the space of the water inlet end is cyclically increased and reduced along with the reciprocating motion of the plunger body, so that the water energy at the water inlet end can be timely supplemented and can more quickly enter the, therefore, the plunger pump can run more stably and the water pressure is higher.
Drawings
Fig. 1 is a perspective view of the overall structure of the present invention.
fig. 2 is a schematic view of the overall structure section structure of the present invention.
Fig. 3 is a schematic view of the cross-sectional structure of the plunger unit of the present invention.
Fig. 4 is an explosion diagram of the whole structure part of the utility model.
1-plunger unit, 11-plunger body, 11.1-water inlet end, 11.1.1-water inlet notch, 11.2-water outlet end, 11.3-water through hole, 11.4-installation cavity, 11.5-valve plate, 11.6-valve cover, 11.7-first elastic piece, 11.8-valve seat, 11.9-through groove, 2-shell, 21-movable cavity, 22-water outlet hole, 23-water inlet hole, 3-eccentric mechanism, 31-eccentric block, 32-motor, 33-gear set, 33.1-sun gear, 33.2-inner gear ring, 33.3-planetary gear set, 33.4-planetary gear carrier, 34-rotating shaft, 4-second elastic piece, 5-water outlet one-way valve, 6-water inlet cavity and 7-connecting piece.
Detailed Description
Embodiments of the present invention are further described below with reference to the accompanying drawings.
As shown in the figures 1-4 of the drawings,
A pump, comprising: the plunger unit 1 comprises a plunger body 11, one end of the plunger body 11 is a water inlet end 11.1, the other end of the plunger body 11 is a water outlet end 11.2, the plunger body 11 is hollow and provided with a water through hole 11.3, a mounting cavity 11.4 is arranged in the water through hole 11.3, a one-way structure used for limiting one-way circulation of water flow from the water inlet end 11.1 to the water outlet end 11.2 is arranged in the mounting cavity 11.4, the one-way structure comprises a valve plate 11.5, a valve cover 11.6, a first elastic part 11.7 and a valve seat 11.8, the valve plate 11.5 is provided with a hole communicated with the water through hole 11.3, the first elastic part 11.7 is arranged between the valve cover 11.6 and the valve seat 11.8, and the first elastic piece 11.7 elastically presses the valve cover 11.6 against the hole of the valve plate 11.5, the peripheral wall of the valve seat 11.8 is provided with a through groove 11.9, when the water pressure at the water inlet end 11.1 is increased and is larger than the sum of the water pressure at the water outlet end 11.2 and the pressure of the first elastic element 11.7, the valve cover 11.6 moves relative to the valve plate 11.5 and opens the hole, and the water at the water inlet end 11.1 flows to the water outlet end 11.2 through the hole and the through groove 11.9.
The pump also comprises a shell 2, a movable cavity 21 for the plunger unit 1 to reciprocate is arranged in the shell 2, and a water outlet 22 for outputting high-pressure water is arranged on the shell 2; the eccentric mechanism 3 is used for driving the plunger body 11 to move towards the water outlet end 11.2 so as to pressurize the water flow at the water outlet end 11.2; the second elastic piece 4 is arranged between the shell 2 and the water outlet end 11.2 of the plunger body 11 and drives the plunger body 11 to return to the position towards the water inlet end 11.1 through elasticity; and the water outlet one-way valve 5 is arranged between the water outlet end 11.2 of the plunger body 11 and the water outlet hole 22 and used for limiting the one-way circulation of water from the water outlet end 11.2 to the water outlet hole 22.
Plunger unit 1 is a plurality of and along the circumference interval distribution of casing 2, the axis of plunger body 11 corresponds the radial setting of casing 2, the axis of rotation of eccentric mechanism 3 sets up with the axis of plunger body 11 is perpendicular, because the axis of rotation of eccentric mechanism 3 sets up with the axis of plunger body 11 is perpendicular, be different from the parallel form of axis of rotation of the eccentric mechanism of conventional swash plate structure and plunger body, can make the axial length of pump reduce, reduce the length and the volume of casing, make the weight of pump lighter, the structure is more compact.
Here, the water inlet end 11.1 refers not only to the end surface of the plunger body 11, but also refers to the water inlet space at the water inlet end 11.1 of the plunger body 11, the water inlet space is a water inlet area near the end surface of the water inlet end 11.1, the water inlet area provides water to be received into the water outlet end 11.2 through a one-way structure, and as can be seen from the figure, the water inlet end 11.1 can be regarded as an area where the movable cavity 21 is adjacent to the water inlet cavity 6.
Likewise, the outlet end 11.2 here does not refer to only the end face of the plunger body 11, but more so to the outlet space at the outlet end 11.2 of the plunger body 11, which outlet space provides an area for receiving water to be supplied through the outlet check valve 5, it being seen in the figure that the outlet end 11.2 can be seen as the area between the movable chamber 21 and the outlet check valve 5.
wherein, the shell 2 is also provided with a water inlet hole 23, and the water inlet hole 23 is communicated with the water inlet cavity 6.
The eccentric mechanism 3 rotates, drive eccentric block 31 and rotate eccentrically in the intake antrum 6 that the intake end 11.1 of a plurality of plunger body 11 constitutes, the terminal surface and the eccentric block 31 of the intake end 11.1 of the plunger body 11 offset, the periphery of the intake end 11.1 of the plunger body 11 is equipped with at least one notch 11.1.1 that intakes, notch 11.1.1 and limbers 11.3 communicate of intaking sets up at least one notch 11.1.1 that intakes and can increase the intake antrum 6 and get into the intake area of plunger intake end 11.1, guarantee that water is full of the intake antrum 11.1 of plunger.
the water outlet check valve 5 is arranged in the shell 2 and is arranged along the circumferential direction of the shell 2 at intervals, the axis of the water outlet check valve 5 is arranged along the radial direction of the shell 2, the water outlet check valve 5 and the plunger body 11 are arranged on the adjacent cross sections in the shell 2, the water inlet end 11.1 of the water outlet check valve 5 is communicated with the water outlet end 11.2 of the plunger body 11, the water outlet check valve 5 and the plunger body 11 are uniformly and radially arranged, the extra radial length can not be increased, the water outlet check valve 5 and the plunger body 11 are arranged on the adjacent cross sections at the same time, the integral axial length of the pump is reduced, the structure and the flow passage are simplified, and therefore the pump body is light and small in weight
the outer wall of the shell 2 is provided with a communicating water channel for communicating a water outlet end 11.2 of the pump with a water inlet end 11.1 of the water outlet one-way valve 5, as shown in the figure, a communicating block 7 is detachably mounted outside the shell 2 through a screw, the communicating water channel is arranged inside the communicating block 7, one end of the communicating water channel is communicated with the water outlet end 11.2 of the plunger body 11, and the other end of the communicating water channel is communicated with the water inlet end 11.1 of the water outlet one-way valve 5.
Wherein, because rivers need pass through two dog-ears by plunger pump delivery end 11.2 to check valve intake end 11.1, so can be convenient for overhaul and maintain this dog-ear with intercommunication 7 detachable connections, improve the life of column pump.
The water inlet end 11.1 of the plunger body 11 is communicated to form a water inlet cavity 6, the eccentric mechanism 3 comprises an eccentric block 31 and a driving component, the eccentric block 31 is movably arranged in the water inlet cavity 6, and the driving component drives the eccentric block 31 to eccentrically rotate in the water inlet cavity 6.
The structure of the water outlet one-way valve 5 is conventional, as long as the one-way flow of high-pressure water from the water outlet end 11.2 to the water outlet hole 22 can be limited, and the specific structure is not described herein again.
The drive assembly may be a mechanism that drives the eccentric mass 31 to rotate eccentrically, and various embodiments are possible,
In the first embodiment, the driving assembly includes a motor 32, a gear set 33, and a rotating shaft 34, the motor 32 is driven by the gear set 33 and drives the rotating shaft 34 to rotate, the eccentric block 31 is eccentrically disposed on the rotating shaft 34, the gear set 33 includes a sun gear 33.1 disposed on the rotating shaft of the motor 32, an inner gear ring 33.2 fixed in the housing 2, and a planetary gear set 33.3 and a planetary gear carrier 33.4 disposed on the inner gear ring 33.2, the rotating shaft 34 is fixedly disposed on the planetary gear carrier 33.4, and the driving principle is as follows: the motor 32 drives the sun gear 33.1 to rotate, the sun gear 33.1 drives the planetary gear set 33.3 to rotate, the planetary gear carrier 33.4 is driven to rotate by the planetary gear set 33.3, the rotating shaft 34 is fixedly arranged on the planetary gear carrier 33.4, the eccentric block 31 is cylindrical and is eccentrically arranged on the rotating shaft 34, when the rotating shaft 34 rotates, the eccentric block 31 eccentrically rotates, and the gear set 33 is the planetary gear set 33.3, so that the driving is more efficient and the rotation is stable.
in a second embodiment, the driving assembly includes a motor, a gear set, and a rotating shaft, the motor drives the rotating shaft to rotate through the gear set, the eccentric block is eccentrically disposed on the rotating shaft, the gear set includes a driving gear disposed on the rotating shaft of the motor, and a driven gear engaged with the driving gear, the rotating shaft is disposed on the driven gear, the driving gear and the driven gear may be straight gears or helical gears, and the structure is conventional and is not shown in the drawings.
The third embodiment, drive assembly include motor, drive synchronous pulley, driven synchronous pulley, hold-in range, and motor drive synchronous pulley rotates, and eccentric piece eccentric settings is on driven synchronous pulley, and drive synchronous pulley passes through hold-in range drive driven synchronous pulley and rotates, and is same, because the structure is comparatively conventional, no longer draws in the drawing.
This pump can be used for high pressure cleaner, be about to this pump dress frame, and connect the squirt at the pump export, provide water source and power to the pump, can export the water under high pressure and carry out high pressure cleaning, this pump also can be used for hand-held type high pressure cleaner, with this pump structure miniaturization, connect the handle in the one end of pump and be used for gripping, connect the inlet tube on the pump, the lug connection nozzle on the apopore, and provide the power, can realize hand-held type washing, compact structure, and the operation is thus simple, need not extra spray lance, can make the pressure in the pump directly feed back to the nozzle and spout, reduce water pressure loss.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (15)
1. A plunger unit comprising a plunger body, characterized in that: one end of the plunger body is a water inlet end, the other end of the plunger body is a water outlet end, a water through hole is formed in the plunger body in a hollow mode, and a one-way structure used for limiting one-way circulation of water flow from the water inlet end to the water outlet end is arranged in the water through hole.
2. The plunger unit of claim 1, wherein: the one-way structure comprises a valve cover and a first elastic piece, the valve cover is arranged on one side of the water through hole, the first elastic piece elastically presses the valve cover on the water through hole, and the elastic driving direction of the first elastic piece to the valve cover is opposite to the flowing direction of water flow from the water inlet end to the water outlet end.
3. The plunger unit of claim 2, wherein: the one-way structure further comprises a valve seat, one end of the first elastic piece abuts against the valve cover, the other end of the first elastic piece abuts against the valve seat, a through groove is formed in the peripheral wall of the valve seat, and the through groove is communicated with the water outlet end.
4. The plunger unit of claim 1, wherein: the periphery of the water inlet end of the plunger piston body is provided with at least one water inlet notch, and the water inlet notch is communicated with the water through hole.
5. A pump, comprising:
The plunger unit according to any one of claims 1-4,
The plunger unit comprises a shell, a plunger body and a plunger rod, wherein a movable cavity for the reciprocating motion of the plunger unit is arranged in the shell, and a water outlet hole for outputting high-pressure water is formed in the shell;
The eccentric mechanism is used for driving the plunger body to move towards the water outlet end so as to pressurize the water flow at the water outlet end;
The second elastic piece is arranged between the shell and the water outlet end of the plunger body and drives the plunger body to return to the position towards the water inlet end through elasticity;
And the water outlet one-way valve is arranged between the water outlet end of the plunger body and the water outlet hole and used for limiting the one-way circulation of water flow from the water outlet end to the water outlet hole.
6. The pump of claim 5, wherein: the plunger units are distributed at intervals along the circumferential direction of the shell, the axis of the plunger body is arranged in the radial direction of the shell, and the rotation axis of the eccentric mechanism is perpendicular to the axis of the plunger body.
7. The pump of claim 5, wherein: the water outlet check valve is arranged in the shell and is arranged at intervals along the circumferential direction of the shell, the axis of the water outlet check valve is arranged along the radial direction of the shell, the water outlet check valve and the plunger body are arranged on adjacent cross sections in the shell, and the water inlet end of the water outlet check valve is communicated with the water outlet end of the plunger body.
8. The pump of claim 7, wherein: and a communicating water channel for communicating the water outlet end of the plunger body with the water inlet end of the water outlet one-way valve is arranged on the outer wall of the shell.
9. The pump of claim 5, wherein: the second elastic piece is matched with the valve seat and elastically presses the valve seat in the plunger body.
10. the pump of claim 6, wherein: the water inlet end of the plunger body is communicated to form a water inlet cavity, the eccentric mechanism comprises an eccentric block and a driving assembly, the eccentric block is movably arranged in the water inlet cavity, and the driving assembly drives the eccentric block to eccentrically rotate in the water inlet cavity.
11. The pump of claim 10, wherein: the driving assembly comprises a motor, a gear set and a rotating shaft, the motor is driven by the gear set to drive the rotating shaft to rotate, and the eccentric block is eccentrically arranged on the rotating shaft.
12. The pump of claim 11, wherein: the gear set comprises a sun gear arranged on a rotating shaft of the motor, an inner gear ring fixed in the shell, a planetary gear set arranged on the inner gear ring and a planetary gear carrier, and the rotating shaft is fixedly arranged on the planetary gear carrier.
13. A high-pressure cleaning machine, comprising a pump as claimed in any one of claims 5 to 11, a frame body for mounting the pump, and a water outlet gun, wherein the pump and the water outlet gun are connected through a high-pressure water pipe.
14. A hand-held high pressure cleaner comprising a pump according to any one of claims 5 to 11, a handle, and a spray mechanism, the spray mechanism being in communication with the outlet opening of the pump, the handle being disposed on the pump at an end remote from the spray mechanism for gripping.
15. The hand-held high pressure cleaner of claim 14, wherein: the spraying mechanism is a nozzle which is directly connected with the shell of the pump and communicated with the water outlet hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920403150.5U CN209743104U (en) | 2019-03-27 | 2019-03-27 | Plunger unit, pump, high-pressure cleaning machine and handheld high-pressure cleaning machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920403150.5U CN209743104U (en) | 2019-03-27 | 2019-03-27 | Plunger unit, pump, high-pressure cleaning machine and handheld high-pressure cleaning machine |
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| Publication Number | Publication Date |
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| CN209743104U true CN209743104U (en) | 2019-12-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920403150.5U Active CN209743104U (en) | 2019-03-27 | 2019-03-27 | Plunger unit, pump, high-pressure cleaning machine and handheld high-pressure cleaning machine |
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| CN (1) | CN209743104U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109869295A (en) * | 2019-03-27 | 2019-06-11 | 宁波水分子电器科技有限公司 | Plunger unit, pump and jetting machine |
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2019
- 2019-03-27 CN CN201920403150.5U patent/CN209743104U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109869295A (en) * | 2019-03-27 | 2019-06-11 | 宁波水分子电器科技有限公司 | Plunger unit, pump and jetting machine |
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Effective date of registration: 20200427 Address after: 315000 4th floor, building 3, No. 86 and 88, North Weishan Road, West Industrial Park, Guanhaiwei town, Cixi City, Ningbo City, Zhejiang Province Patentee after: Ningbo Weishi Tool Technology Co.,Ltd. Address before: 315000 Garden Village, Jiangshan Town, Yinzhou District, Ningbo City, Zhejiang Province Patentee before: NINGBO SHUIFENZI ELECTRICAL APPLIANCE TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20230526 Address after: Building 1, No. 86 and 88 Weishan North Road, West District, Guanhaiwei Town, Cixi City, Ningbo City, Zhejiang Province, 315000 Patentee after: NINGBO WEISHI ELECTRICAL APPLIANCE TECHNOLOGY Co.,Ltd. Patentee after: Ningbo Cixi Import & Export Holding Co.,Ltd. Address before: 315000 floor 4, building 3, No. 86 and 88, Weishan North Road, West District, Guanhaiwei town Industrial Park, Cixi City, Ningbo City, Zhejiang Province Patentee before: Ningbo Weishi Tool Technology Co.,Ltd. |
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| TR01 | Transfer of patent right |