CN211467222U - Roller injection mold for production of electronic contest chair - Google Patents
Roller injection mold for production of electronic contest chair Download PDFInfo
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- CN211467222U CN211467222U CN201922155740.3U CN201922155740U CN211467222U CN 211467222 U CN211467222 U CN 211467222U CN 201922155740 U CN201922155740 U CN 201922155740U CN 211467222 U CN211467222 U CN 211467222U
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- 238000002347 injection Methods 0.000 title claims abstract description 32
- 239000007924 injection Substances 0.000 title claims abstract description 32
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 238000000465 moulding Methods 0.000 claims abstract description 21
- 229920003023 plastic Polymers 0.000 claims abstract description 20
- 239000004033 plastic Substances 0.000 claims abstract description 20
- 238000009434 installation Methods 0.000 claims abstract 4
- 210000002414 leg Anatomy 0.000 claims abstract 2
- 239000002994 raw material Substances 0.000 claims description 33
- 238000001746 injection moulding Methods 0.000 claims description 18
- 239000011159 matrix material Substances 0.000 claims description 4
- 230000005611 electricity Effects 0.000 abstract description 7
- 150000001875 compounds Chemical class 0.000 abstract description 5
- 239000000463 material Substances 0.000 description 6
- 238000007493 shaping process Methods 0.000 description 6
- 230000000149 penetrating effect Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000002860 competitive effect Effects 0.000 description 3
- 239000012768 molten material Substances 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model relates to a chair production facility technical field is competed to electricity, concretely relates to chair production is with gyro wheel injection mold is competed to electricity, including a plurality of supporting legss of base case, base case lower extreme installation, the back supporting frame of base case upper end rear side installation and the former feed tank of back supporting frame upper end fixed mounting, top-down is equipped with mould assembly, well mould subassembly and lower mould subassembly in proper order between base case and the former feed tank, and the mechanism of moulding plastics is installed to the lower extreme of former feed tank. The utility model overcomes prior art's is not enough, reasonable in design, and compact structure, the effectual current gyro wheel injection mold that has solved need install extra core on the movable mould when the compound die and be used for moulding plastics the middle part shaft part that forms the gyro wheel, and this structure that just makes whole movable mould is more complicated, also greatly increased the manufacturing cost of mould and the problem of the processing degree of difficulty, higher social use value and application prospect have.
Description
Technical Field
The utility model relates to a chair production facility technical field is competed to the electricity, concretely relates to chair production is competed to electricity is with gyro wheel injection mold.
Background
Electronic competitive chair, abbreviated as electronic competitive chair. The electronic competition is the activity of the electronic game competition reaching the 'competition' level. The electronic competitive sports are intellectual confrontation sports which are carried out by taking electronic equipment as sports equipment and are carried out from person to person.
The design of the electronic competition chair accords with human engineering, the operation and the experience of a user are convenient, and the comfort level of the user can be ensured due to the fact that the energy of the user is required to be highly input and the sitting posture is kept for a long time in part of games.
The chair can be competed in the electricity and set up the gyro wheel in the bottom and be used for user's removal and position control, and wherein the gyro wheel generally is the plastics material, through mould machine-shaping, current gyro wheel injection mold need install extra core when the compound die on the movable mould and be used for moulding plastics the middle part shaft part that forms the gyro wheel, and this structure that just makes whole movable mould is more complicated, also greatly increased the manufacturing cost and the processing degree of difficulty of mould.
The patent with publication number CN203344257U discloses a mold for roller injection molding, which comprises a fixed mold and a movable mold, wherein the fixed mold is provided with a first concave pit and a second concave pit which are sunken inwards; the first recess comprises a first inclined surface; the second concave pit is arranged at the bottom of the first concave pit, and the side surface of the second concave pit is connected with the end point of the first inclined plane; the movable mould comprises a protruding portion entering the first concave pit when the mould is closed, the protruding portion is provided with a third concave pit, the third concave pit comprises a second inclined surface, the diameter of the second inclined surface gradually decreases along the direction of entering the inside of the movable mould and is symmetrical to the first inclined surface, the device is low in cost and high in efficiency, but the device has the problems that the production cost of the mould is high and the popularization is inconvenient, and therefore the roller injection mould for producing the electronic competition chair is provided.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a chair production is competed to electricity is with gyro wheel injection mold has overcome the not enough of prior art, reasonable in design, and compact structure, the effectual current gyro wheel injection mold that has solved need install extra core on the movable mould when the compound die and be used for moulding plastics the middle part shaft part that forms the gyro wheel, and this just makes the structure of whole movable mould more complicated, also greatly increased the manufacturing cost of mould and the problem of the processing degree of difficulty.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
a roller injection mold for production of an electronic competition chair comprises a base box, a plurality of supporting legs arranged at the lower end of the base box, a rear supporting frame arranged at the rear side of the upper end of the base box and a raw material box fixedly arranged at the upper end of the rear supporting frame, wherein an upper mold assembly, a middle mold assembly and a lower mold assembly are sequentially arranged between the base box and the raw material box from top to bottom, and an injection molding mechanism is arranged at the lower end of the raw material box;
the upper die assembly comprises two cylinders II symmetrically arranged on the bottom wall of the raw material box, the telescopic ends of the two cylinders II are provided with the same lifting plate, the middle part of the lower end of the lifting plate is provided with an upper die base, and the bottom wall of the upper die base is provided with a plurality of upper die cavities extending from front to back;
the lower die assembly comprises a lower die base fixedly arranged on the top wall of the base box, and the upper end of the lower die base is provided with a plurality of lower die cavities matched with the upper die cavities;
the middle die assembly comprises two middle die plates symmetrically and slidably mounted on the lower die base, a plurality of wheel shaft grooves matched with the lower die cavity are formed in one opposite sides of the two middle die plates, the telescopic end of the air cylinder I is mounted at the other end of each middle die plate, the air cylinder I is fixedly mounted on the side wall of the positioning support, and the positioning support is fixedly mounted on the top wall of the base box.
Preferably, the inner chamber lower part slidable mounting of die cavity has a top movable block down, and the lead screw is installed to the lower extreme of top movable block, the lower extreme of lead screw runs through the roof of base case and extends to in the inner chamber of support sleeve, support sleeve fixed mounting is on the interior diapire of base case, the threaded sleeve is equipped with the sprocket on the lead screw, and the sprocket rotates and installs in the upper end of support sleeve, a plurality of sprockets pass through chain drive and connect coaxial arrangement on one of them sprocket and have driven gear, and driven gear meshing has drive gear, drive gear installs on servo motor's output, servo motor fixed mounting is on the inner wall of base case.
Preferably, four positioning rods distributed in a matrix are arranged between the base box and the raw material box, the positioning rods are slidably inserted on the lifting plate, and two ends of each positioning rod are respectively installed at the upper end of the lower die base and the bottom wall of the raw material box.
Preferably, the mechanism of moulding plastics is including installing the pump machine of moulding plastics on the diapire in the head tank, and the output of the pump machine of moulding plastics runs through the diapire of head tank and installs the flexible pipe of elasticity, and the reposition of redundant personnel chamber that the other end through connection flow distribution plate middle part of the flexible pipe of elasticity was seted up has a plurality of pipes of moulding plastics to link up on the diapire in reposition of redundant personnel chamber, and the other end of a plurality of pipes of moulding plastics respectively with a plurality of mould chamber through connection.
Preferably, the top wall of the upper die cavity is provided with air outlets which sequentially penetrate through the upper die base and the lifting plate, and the air outlets are all located below the flow distribution plate.
Preferably, a material level meter is installed on the top wall of the raw material tank, a detection end of the material level meter extends into an inner cavity of the raw material tank, a feed port is formed in the top wall of the raw material tank, and a feed port plug is inserted into the feed port.
Preferably, a control panel is installed on the front wall of the raw material box, a display screen and a control button are arranged on the control panel, and a PLC is arranged in the control panel.
(III) advantageous effects
The embodiment of the utility model provides a chair production is competed to electricity is with gyro wheel injection mold possesses following beneficial effect:
1. through the integrated configuration of last mould subassembly, well mould subassembly and lower mould subassembly, go up mould subassembly and lower mould subassembly and be used for the shaping of two wheel hub on the gyro wheel, well mould subassembly is used for the shaping of shaft on the gyro wheel, goes up mould subassembly, well mould subassembly and lower mould subassembly cooperation and has guaranteed the integrative injection moulding of gyro wheel, has improved injection moulding's efficiency greatly.
2. Through the integrated configuration of last mould subassembly and the mechanism of moulding plastics, go up the mould subassembly and descend, mould subassembly and lower mould subassembly form complete die cavity in the cooperation, combine the start-up of the pump machine of moulding plastics in the mechanism of moulding plastics, pour into the melting material into through flexible pipe in to the reposition of redundant personnel chamber of flow distribution plate inside, pour into the melting material into through the pipe of moulding plastics to a plurality of die cavities of moulding plastics after the compound die afterwards, guarantee the shaping of gyro wheel.
3. Through the integrated configuration of four locating levers that are matrix distribution and last mould subassembly, the effectual vertical lift who guarantees the lifter plate to the accurate compound die of mould subassembly and lower mould subassembly, well mould subassembly has been guaranteed.
4. Through the integrated configuration of die cavity, top movable block and lead screw down, after the gyro wheel shaping, start servo motor, combine drive gear and driven gear's meshing mechanism to reach the transmission mechanism of a plurality of sprockets and chain, drive the lead screw upward movement, promote top movable block upward movement, ejecting fashioned gyro wheel, the fast demolding improves machining efficiency.
Drawings
The above features, technical features, advantages and modes of realisation of a roller injection mould for the production of electric competition chairs are further described in the following, in a clearly understandable manner, with reference to the accompanying drawings, which illustrate preferred embodiments.
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic view of the structure B of FIG. 2 according to the present invention;
fig. 4 is a top view of the middle mold assembly of the present invention;
fig. 5 is a schematic view of the roller structure of the present invention.
In the figure: the device comprises a base box 1, a rear supporting frame 2, a raw material box 3, supporting feet 4, a lower die assembly 5, a lower die base 51, a lower die cavity 52, a jacking block 53, a screw rod 54, a chain wheel 55, a supporting sleeve 56, a driven gear 57, a driving gear 58, a servo motor 59, a middle die assembly 6, a middle die plate 61, a cylinder I62, a positioning bracket 63, a wheel shaft groove 64, an upper die assembly 7, a cylinder II 71, a lifting plate 72, an upper die base 73, an upper die cavity 74, an exhaust port 75, a positioning rod 8, an injection molding mechanism 9, an elastic telescopic pipe 91, an injection molding pump 92, a flow distribution plate 93, a fixing bracket 94, an injection molding pipe 95, a feeding port plug 96, a level meter 97, a control panel 10, a roller a, a wheel hub a 1.
Detailed Description
The invention will be further described with reference to the following figures 1-5 and examples:
example 1
A roller injection mold for production of an electronic competition chair comprises a base box 1, a plurality of supporting legs mounted at the lower end of the base box 1, a rear supporting frame 2 mounted at the rear side of the upper end of the base box 1 and a raw material box 3 fixedly mounted at the upper end of the rear supporting frame 2, wherein an upper mold assembly 7, a middle mold assembly 6 and a lower mold assembly 5 are sequentially arranged between the base box 1 and the raw material box 3 from top to bottom, and an injection mechanism 9 is mounted at the lower end of the raw material box 3;
as shown in fig. 5, the roller a is composed of two hubs a1 and a wheel axle a2 for connecting the two hubs a1, it can be understood that the upper mold assembly 7 and the lower mold assembly 5 are used for molding the two hubs a1, the middle mold assembly 6 is used for molding the wheel axle a2, and the upper mold assembly 7, the middle mold assembly 6 and the lower mold assembly 5 cooperate to ensure the integral injection molding of the roller a.
In this embodiment, as shown in fig. 1 to 3, the upper die assembly 7 includes two cylinders ii 71 symmetrically installed on the bottom wall of the raw material tank 3, and the same lifting plate 72 is installed on the telescopic ends of the two cylinders ii 71, and an upper die holder 73 is installed in the middle of the lower end of the lifting plate 72, and a plurality of upper die cavities 74 extending from front to back are opened on the bottom wall of the upper die holder 73;
in this embodiment, as shown in fig. 2 and 4, the lower die assembly 5 includes a lower die base 51 fixedly mounted on the top wall of the base box 1, and the upper end of the lower die base 51 is provided with a plurality of lower die cavities 52 matched with the upper die cavities 74;
in this embodiment, as shown in fig. 2 and 4, the middle mold assembly 6 includes two middle mold plates 61 symmetrically slidably mounted on the lower mold base 51, and one opposite sides of the two middle mold plates 61 are provided with a plurality of wheel shaft grooves 64 matched with the lower mold cavity 52, the other end of the middle mold plate 61 is provided with a telescopic end of a cylinder i 62, the cylinder i 62 is fixedly mounted on a side wall of a positioning bracket 63, and the positioning bracket 63 is fixedly mounted on a top wall of the base box 1.
In this embodiment, it can be understood that, first, the air cylinders i 62 on both sides are started to push the two middle mold plates 61 to approach each other and complete the abutting mold closing, the two axle grooves 64 are combined to form an injection mold cavity for the axle a2, then, the air cylinder ii 71 is started to push the upper mold base 73 to move downward to abut against and press the two middle mold plates 61 after the mold closing, and at this time, the upper mold cavity 74, the axle grooves 64 and the lower mold cavity 52 are combined in a matching manner to form a complete injection mold cavity for the roller a, so as to ensure the injection molding of the roller a.
In this embodiment, as shown in fig. 1 and 2, four positioning rods 8 distributed in a matrix are arranged between the base box 1 and the raw material box 3, the positioning rods 8 are slidably inserted on the lifting plate 72, two ends of each positioning rod 8 are respectively installed on the upper end of the lower die base 51 and the bottom wall of the raw material box 3, and the vertical lifting of the lifting plate 72 is ensured, so that the upper die assembly 7 and the lower die assembly 5 and the middle die assembly 6 are accurately closed.
In this embodiment, as shown in fig. 2 and 3, the injection mechanism 9 includes an injection pump 92 installed on the inner bottom wall of the raw material tank 3, an output end of the injection pump 92 penetrates through the bottom wall of the raw material tank 3 and is provided with an elastic telescopic pipe 91, the other end of the elastic telescopic pipe 91 is connected to a diversion cavity formed in the middle of the diversion plate 93 in a penetrating manner, a plurality of injection pipes 95 are installed on the bottom wall of the diversion cavity in a penetrating manner, the other ends of the injection pipes 95 are respectively connected to the plurality of upper mold cavities 74 in a penetrating manner, the injection pump 92 is started, a molten material is injected into the diversion cavity inside the diversion plate 93 through the elastic telescopic pipe 91, and then the plurality of injection mold cavities after mold closing are injected with the molten material through the injection pipes 95, so as to ensure the.
In this embodiment, as shown in fig. 3, the top wall of the upper mold cavity 74 is provided with air outlets 75 sequentially penetrating through the upper mold base 73 and the lifting plate 72, and the air outlets 75 are all located below the splitter plate 93, so as to effectively discharge air in the injection molding cavity during injection molding, and meanwhile, the air outlets 75 are disposed below the splitter plate 93 to prevent external dust from entering, thereby ensuring the quality of injection molding of the roller a.
In this embodiment, as shown in fig. 1 and 2, a level meter 97 is installed on the top wall of the raw material tank 3, a detection end of the level meter 97 extends into an inner cavity of the raw material tank 3, a feed port is formed on the top wall of the raw material tank 3, and a feed port plug 96 is inserted into the feed port, so that sufficient material is effectively ensured for injection molding of the roller a.
It can be understood that the heating device is further arranged in the inner cavity of the raw material box 3, and the heating device can adopt an electric heating plate in the prior art, which is not described herein in detail, and is used for ensuring the liquid state of the molten material, so as to perform injection molding operation.
In this embodiment, as shown in fig. 1, a control panel 10 is installed on the front wall of the raw material tank 3, a display screen and a control button are installed on the control panel 10, a PLC controller is installed in the control panel 10, in this embodiment, the model of the PLC controller is siemens S7-200, and the control panel 10 is connected with the cylinder i 62, the cylinder ii 71 and the injection pump 92 through electrical control lines;
a processing worker controls a control button on the control panel 10, and the PLC is combined to effectively control the starting and stopping of the air cylinder I62, push the two middle templates 61 to approach each other and complete the abutting die assembly, and the two axle grooves 64 are combined to form an injection molding die cavity for the axle a 2; the starting and stopping of the cylinder II 71 are effectively controlled, the upper die holder 73 is driven to move downwards to abut against and press the two middle die plates 61 after die assembly, and at the moment, the upper die cavity 74, the wheel shaft groove 64 and the lower die cavity 52 are combined in a matched mode to form a complete roller a injection molding cavity for ensuring the injection molding of the roller a;
on the contrary, the telescopic ends of the air cylinder II 71 and the air cylinder I62 are contracted, the two middle templates 61 are far away from each other, the upper die base 73 moves upwards, the roller a can be quickly taken out from the lower die cavity 52, and the die stripping efficiency is improved.
Example 2
The difference between this embodiment and embodiment 1 is that, as shown in fig. 2, a pushing block 53 is slidably mounted at the lower part of the inner cavity of the lower cavity 52, and a screw 54 is mounted at the lower end of the pushing block 53, the lower end of the screw 54 penetrates through the top wall of the base box 1 and extends into the inner cavity of a supporting sleeve 56, the supporting sleeve 56 is fixedly mounted on the inner bottom wall of the base box 1, a sprocket 55 is threadedly sleeved on the screw 54, and the sprocket 55 is rotatably mounted at the upper end of the supporting sleeve 56, a plurality of sprockets 55 are connected to one sprocket 55 through chain transmission, a driven gear 57 is coaxially mounted on the sprocket 55, and the driven gear 57 is meshed with a driving gear 58, the driving gear 58 is mounted on the output end of a servo motor 59, and the servo motor 59 is fixedly mounted on the.
In this embodiment, after gyro wheel a shaping, start servo motor 59, drive gear 58 and rotate, drive gear 58 meshes driven gear 57, it rotates to drive sprocket 55, through the transmission mechanism of a plurality of sprockets 55 and chain, drive lead screw 54 upward movement, promote top movable block 53 upward movement, wherein, can understand, be equipped with card strip or draw-in groove on top movable block 53's the lateral wall, be used for guaranteeing top movable block 53 can not take place to rotate, thereby guarantee top movable block 53 upwards ejecting fashioned gyro wheel a under the drive of lead screw 54, fast demolding, and the machining efficiency is improved.
Other undescribed structures refer to example 1.
The embodiment of the present invention discloses a preferred embodiment, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention according to the above embodiment, and make different extensions and changes, but do not depart from the spirit of the present invention, all of which are within the protection scope of the present invention.
Claims (7)
1. The utility model provides a chair production is competed with gyro wheel injection mold, includes a plurality of supporting legss of base case, base case lower extreme installation, the back support frame of base case upper end rear side installation and the former feed tank of back support frame upper end fixed mounting, its characterized in that: an upper die assembly, a middle die assembly and a lower die assembly are sequentially arranged between the base box and the raw material box from top to bottom, and an injection molding mechanism is arranged at the lower end of the raw material box;
the upper die assembly comprises two cylinders II symmetrically arranged on the bottom wall of the raw material box, the telescopic ends of the two cylinders II are provided with the same lifting plate, the middle part of the lower end of the lifting plate is provided with an upper die base, and the bottom wall of the upper die base is provided with a plurality of upper die cavities extending from front to back;
the lower die assembly comprises a lower die base fixedly arranged on the top wall of the base box, and the upper end of the lower die base is provided with a plurality of lower die cavities matched with the upper die cavities;
the middle die assembly comprises two middle die plates symmetrically and slidably mounted on the lower die base, a plurality of wheel shaft grooves matched with the lower die cavity are formed in one opposite sides of the two middle die plates, the telescopic end of the air cylinder I is mounted at the other end of each middle die plate, the air cylinder I is fixedly mounted on the side wall of the positioning support, and the positioning support is fixedly mounted on the top wall of the base box.
2. The roller injection mold for producing electric competition chairs according to claim 1, wherein: the inner chamber lower part slidable mounting of die cavity has a top movable block down, and the lead screw is installed to the lower extreme of top movable block, the lower extreme of lead screw runs through the roof of base case and extends to in the inner chamber of support sleeve, support sleeve fixed mounting is on the interior diapire of base case, threaded sleeve is equipped with the sprocket on the lead screw, and the sprocket rotates and installs in the upper end of support sleeve, a plurality of sprockets pass through chain drive and connect one of them sprocket on coaxial arrangement have driven gear, and driven gear meshing has drive gear, drive gear installs on servo motor's output, servo motor fixed mounting is on the inner wall of base case.
3. The roller injection mold for producing electric competition chairs according to claim 1, wherein: four positioning rods distributed in a matrix are arranged between the base box and the raw material box, the positioning rods are slidably inserted on the lifting plate, and two ends of each positioning rod are respectively installed at the upper end of the lower die base and the bottom wall of the raw material box.
4. The roller injection mold for producing electric competition chairs according to claim 1, wherein: the mechanism of moulding plastics is including installing the pump machine of moulding plastics on the diapire in the head tank, and the output of the pump machine of moulding plastics runs through the diapire of head tank and installs the flexible pipe of elasticity, and the reposition of redundant personnel chamber of seting up in the middle part of the flexible pipe of elasticity through connection flow distribution plate of the other end, and the diapire in reposition of redundant personnel chamber is run through and is installed a plurality of pipes of moulding plastics, and the other end of a plurality of pipes of moulding plastics respectively with a plurality of mould chamber through connection on.
5. The roller injection mold for producing electric competition chairs according to claim 4, wherein: the top wall of the upper die cavity is provided with air vents which sequentially penetrate through the upper die base and the lifting plate, and the air vents are all located below the splitter plate.
6. The roller injection mold for producing electric competition chairs according to claim 1, wherein: install the level meter on the roof of raw materials case, and the sense terminal of level meter extends to the inner chamber of raw materials case, has seted up the feed inlet on the roof of raw materials case, and has inserted the feed inlet stopper in the feed inlet.
7. The roller injection mold for producing electric competition chairs according to claim 1, wherein: install control panel on the antetheca of raw materials case, and be equipped with display screen and control button on the control panel, control panel embeds there is the PLC controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922155740.3U CN211467222U (en) | 2019-12-05 | 2019-12-05 | Roller injection mold for production of electronic contest chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922155740.3U CN211467222U (en) | 2019-12-05 | 2019-12-05 | Roller injection mold for production of electronic contest chair |
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| Publication Number | Publication Date |
|---|---|
| CN211467222U true CN211467222U (en) | 2020-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922155740.3U Expired - Fee Related CN211467222U (en) | 2019-12-05 | 2019-12-05 | Roller injection mold for production of electronic contest chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211467222U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113400581A (en) * | 2021-05-21 | 2021-09-17 | 安徽环美刷业股份有限公司 | Brush dish components of a whole that can function independently injection moulding device of brush sweeps floor |
-
2019
- 2019-12-05 CN CN201922155740.3U patent/CN211467222U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113400581A (en) * | 2021-05-21 | 2021-09-17 | 安徽环美刷业股份有限公司 | Brush dish components of a whole that can function independently injection moulding device of brush sweeps floor |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200911 |
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| CF01 | Termination of patent right due to non-payment of annual fee |