CN210656139U - Down filling pipeline for down filling machine - Google Patents
Down filling pipeline for down filling machine Download PDFInfo
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- CN210656139U CN210656139U CN201921175539.5U CN201921175539U CN210656139U CN 210656139 U CN210656139 U CN 210656139U CN 201921175539 U CN201921175539 U CN 201921175539U CN 210656139 U CN210656139 U CN 210656139U
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- pipe
- groove
- wall
- ventilation
- down filling
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Abstract
The utility model discloses a down filling pipe for down filling machine, which comprises an inner pipe and an outer pipe, wherein the inner pipe comprises a ventilation pipe and a connecting pipe, a plurality of ventilation holes are arranged on the side wall of the ventilation pipe, the outer pipe is sleeved outside the ventilation pipe, the left end of the ventilation pipe is provided with a fixed block, the fixed block is sleeved at one end of the ventilation pipe and is in running fit with the ventilation pipe, one end of the outer pipe is connected with the side wall of one side of the fixed block, a plurality of brush hairs are fixedly arranged on the inner wall of the outer pipe, one side of the fixed block is provided with a ring groove, inner insection is fixedly arranged on the side wall of the ring groove, a motor is fixedly arranged on the outer wall of one end of the ventilation pipe, a gear is connected on the output shaft of the motor, and the gear is meshed with the inner insection, the utility, prevent the vent hole from being blocked.
Description
Technical Field
The utility model relates to a eiderdown filling equipment technical field, in particular to fill fine hair machine and fill fine hair pipeline.
Background
The down filling machine is provided with a down filling pipe, the down filling pipe is directly inserted into a liner cavity to be filled to fill down during down filling, the down filled in the liner cavity is usually adhered together due to self adhesion or moisture among the down, the down cannot be well and uniformly distributed in the liner cavity, the starting and stopping of the existing down filling machine are mostly controlled by foot pedal, and the down filling machine is started to start to fill down after the down filling pipe extends into the liner cavity and the foot pedal is treaded.
When the down filling machine fills down in the liner cavity made of some cloth with poor air permeability, a plurality of small holes are required to be formed in the down filling pipe, so that air can circulate, and the down filling work can be smoothly completed. However, the small holes on the down filling pipe are easily blocked by down, so that the pipeline is sealed, and the down filling efficiency is reduced. If the small holes are larger, the down feather can be blown out of the small holes, and the down feather is wasted. In view of the above problems, a solution is proposed as follows.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a fill fine hair machine and fill fine hair pipeline has and to scrub the ventilation hole, makes the ventilation hole can not block up, and can collect the eiderdown that flows from the ventilation hole, prevents the extravagant advantage of eiderdown.
The above technical purpose of the present invention can be achieved by the following technical solutions:
a down filling pipeline for a down filling machine comprises an inner pipe and an outer pipe, wherein the inner pipe comprises a ventilation pipe and connecting pipes positioned at two ends of the ventilation pipe, a plurality of ventilation holes are formed in the side wall of the ventilation pipe, the outer pipe is sleeved outside the ventilation pipe, a plurality of air outlet holes are formed in the side wall of the outer pipe, the diameter of the air outlet holes is smaller than that of the ventilation holes, a fixed block is arranged at the left end of the ventilation pipe, a circular connecting hole is formed in the middle of the fixed block, a mounting groove is formed in the inner wall of the connecting hole, a first bearing is arranged in the mounting groove, the outer wall of the first bearing is fixedly connected with the inner wall of the mounting groove, the inner diameter of the first bearing is the same as that of the connecting hole, the fixed block is sleeved at one end of the ventilation pipe through the connecting hole and, the one end that the fixed block was kept away from to the outer tube has set firmly the collecting pipe, the collecting pipe cover is established in the outside of ventilation pipe, the one end that the outer tube was kept away from to the collecting pipe is rotated with the outer wall of ventilation pipe and is connected, a plurality of brush hairs have set firmly on the inner wall of outer tube, one side that the outer tube was kept away from to the fixed block is equipped with the annular, the annular communicates with each other with the connecting hole, the internal tooth line has set firmly on the lateral wall of annular, has set firmly the motor on the outer wall of ventilation pipe one end, be connected with the gear on the.
By adopting the technical scheme, the connecting pipe at the left end of the ventilation pipe can be connected to the down filling machine, the down filling machine is started to blow wind into the ventilation pipe, so that down feather enters the ventilation pipe through the connecting pipe at the left end and is sprayed out from the connecting pipe at the right end of the ventilation pipe to finish down filling work, when down filling is carried out, a part of wind is blown out from the ventilation holes on the side wall of the ventilation pipe, so that part of down feather in the ventilation pipe can be attached to the ventilation holes to block the ventilation holes, the motor is started to drive the gear to rotate, the gear drives the fixed block to rotate, so that the fixed block drives the ventilation pipe to rotate, the ventilation pipe can drive a plurality of bristles to rotate, one ends of the bristles, which are far away from the inner wall of the outer pipe, are abutted against the surface of the ventilation pipe and move along the surface of the ventilation pipe to scrub the ventilation pipe, so that, part of down feather can be moved out from the vent holes, fall into the outer tube and move into the collecting tube along the wind entering the outer tube, so that the down feather is collected, and the down feather waste is prevented.
Preferably, the connecting pipe includes left pipe and right pipe, left side pipe is located the left end of ventilation pipe, the outside cover of left side pipe is equipped with a fixed section of thick bamboo, a fixed section of thick bamboo and left pipe sliding connection, the fixed slot that has a plurality of L shapes sets firmly on the inner wall of fixed section of thick bamboo left end.
By adopting the technical scheme, the fixed cylinder is sleeved on the output end of the down filling machine, and the L-shaped fixed groove can be clamped on small bulges at the output end of the down filling machine, so that the fixed cylinder can be conveniently fixed on the down filling machine, and the connection between the left pipe and the down filling machine is realized.
Preferably, the outer wall of the left tube is symmetrically provided with two sliding grooves, the inner wall of the fixed cylinder is symmetrically provided with two sliding blocks, the two sliding blocks are respectively positioned in the two sliding grooves and are in sliding fit with the sliding grooves, the left ends of the two sliding grooves are respectively provided with a positioning groove perpendicular to the direction of the sliding grooves, and the positioning grooves are in sliding fit with the sliding blocks.
Adopt above-mentioned technical scheme, two sliders remove along two spouts, make the solid fixed cylinder can slide along the left pipe, when the slider removed the leftmost end of spout, the solid fixed cylinder can't remove left again, rotates solid fixed cylinder, makes two sliders enter into two constant head tanks, makes the solid fixed cylinder can't remove right to the rigidity that makes solid fixed cylinder and left pipe.
As preferred, the right-hand member cover of right side pipe is equipped with the connecting cylinder, the spacing piece of round has set firmly on the inner wall of connecting cylinder left end, the outside of right side pipe right-hand member is equipped with the spacing groove of round, spacing piece is located the spacing inslot, and with spacing groove normal running fit, the one end that right side pipe was kept away from to the connecting cylinder is connected with the shower nozzle, the surface of the left end of shower nozzle is equipped with the external screw thread, the internal thread has set firmly on the inner wall of connecting cylinder right-hand member, external screw thread and interior screw-thread fit.
Adopt above-mentioned technical scheme, support the left end of shower nozzle in the right-hand member of connecting cylinder, rotate the connecting cylinder, make external screw thread and interior screw-thread fit to make shower nozzle and connecting cylinder fixed, various specifications can be designed into to the other end of shower nozzle, and the convenience is to filling of different article fine hair, improves the suitability of filling the fine hair pipe.
As preferred, be equipped with annular spread groove on the lateral wall on fixed block right side, the left end of outer tube is located the spread groove, and with the spread groove cooperation, be equipped with the shifting chute on the lateral wall of outer tube left end, be equipped with the removal piece in the shifting chute, remove piece and shifting chute sliding fit, the left end of removing the piece is equipped with the fixture block admittedly, be equipped with the draw-in groove of U-shaped on the lateral wall of shifting chute, fixture block and draw-in groove sliding fit, the right-hand member of removing the piece has set firmly the ejector pad, the extension spring has set firmly on the right side lateral wall of shifting chute, the left end of extension spring and the right-hand member fixed connection who.
Adopt above-mentioned technical scheme, promote the kicking piece, make the kicking piece drive the piece that removes and move left, stretch the extension spring, the piece that removes can drive the fixture block and move left, make the fixture block enter into the draw-in groove along the one end of draw-in groove, when the fixture block removed the leftmost end of draw-in groove, rotate the outer tube, make the fixture block remove along the horizontal part of draw-in groove, later release the kicking piece, the piece that removes can remove under the effect of extension spring and move right, make the fixture block enter into the inslot of draw-in groove another side, the realization is fixed outer tube and fixed block.
Preferably, the collecting pipe is in a circular truncated cone shape, a ring piece is fixedly arranged at one end with a smaller diameter of the collecting pipe, a circle of annular groove is formed in the right end of the ventilating pipe, and the ring piece is clamped in the groove and is in running fit with the groove.
By adopting the technical scheme, the ring sheet is clamped in the groove, so that the down feather cannot leak from the right end of the ventilation pipe, and the collection of the down feather is realized.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment;
FIG. 2 is an enlarged view of area A of FIG. 1;
FIG. 3 is a sectional view of the embodiment;
FIG. 4 is an enlarged view of area B of FIG. 1;
fig. 5 is an enlarged view of region C in fig. 1.
Reference numerals: 1. an inner tube; 2. an outer tube; 21. an air outlet; 22. a collection pipe; 23. brushing; 24. a ring sheet; 3. a vent pipe; 31. a vent hole; 4. a fixed block; 41. a first bearing; 42. inner insection; 43. a motor; 44. a gear; 5. a left tube; 51. a fixed cylinder; 52. a slider; 6. a right tube; 61. a connecting cylinder; 62. a limiting sheet; 63. a spray head; 7. a moving groove; 71. moving the sheet; 72. a clamping block; 73. a push block; 74. a tension spring.
Detailed Description
The following is only the preferred embodiment of the present invention, the protection scope is not limited to this embodiment, and all technical solutions belonging to the idea of the present invention should belong to the protection scope of the present invention. It should also be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and such modifications and decorations should also be regarded as the protection scope of the present invention.
As shown in fig. 1 and 3, a down filling pipe for a down filling machine comprises an inner pipe 1 and an outer pipe 2. The inner pipe 1 includes a vent pipe 3 and connection pipes at both ends of the vent pipe 3. The connecting pipe includes left pipe 5 and right pipe 6, and left pipe 5 is located the left end of ventilation pipe 3, and the outside cover of left pipe 5 is equipped with solid fixed cylinder 51, gu fixed cylinder 51 and left pipe 5 sliding connection. A plurality of L-shaped fixing grooves are fixedly arranged on the inner wall of the left end of the fixing cylinder 51.
The fixed cylinder 51 is sleeved on the output end of the down filling machine, the output end of the down filling machine is provided with a plurality of small convex blocks, the small blocks enter the fixed groove along one longitudinal end of the fixed grooves, when the small blocks move to the innermost end of the fixed groove, the fixed cylinder 51 is rotated, the small blocks enter the transverse part of the fixed groove, so that the small blocks cannot move out of the fixed groove, the fixed cylinder 51 and the down filling machine are fixed, and the left pipe 5 and the down filling machine are fixed.
As shown in fig. 1 and 3, the outer wall of the left tube 5 is symmetrically provided with two sliding grooves, the inner wall of the fixed cylinder 51 is symmetrically provided with two sliding blocks 52, and the two sliding blocks 52 are respectively located in the two sliding grooves and are in sliding fit with the sliding grooves. The left ends of the two sliding grooves are respectively provided with a positioning groove perpendicular to the direction of the sliding grooves, and the positioning grooves are in sliding fit with the sliding blocks 52.
Two sliders 52 can remove along two spouts to make fixed section of thick bamboo 51 can slide along left pipe 5, when slider 52 removed the leftmost end of spout, the fritter just enters into the innermost of fixed slot, rotate fixed section of thick bamboo 51, two sliders 52 can enter into the constant head tank, make fixed section of thick bamboo 51 and left pipe 5's rigidity, fixed section of thick bamboo 51's the other end is fixed with the machine of filling down, thereby make the machine of filling down work, left pipe 5 can not break away from with the machine of filling down.
As shown in fig. 1 and 3, the right end of the right tube 6 is sleeved with a connecting cylinder 61, a circle of limiting sheet 62 is fixedly arranged on the inner wall of the left end of the connecting cylinder 61, a circle of limiting groove is arranged on the outer side of the right end of the right tube 6, and the limiting sheet 62 is positioned in the limiting groove and is in running fit with the limiting groove. One end of the connecting cylinder 61, which is far away from the right pipe 6, is connected with a spray head 63, the outer surface of the left end of the spray head 63 is provided with an external thread, the inner wall of the right end of the connecting cylinder 61 is fixedly provided with an internal thread, and the external thread is matched with the internal thread.
The right end of the spray head 63 is abutted to the left end of the connecting cylinder 61, the connecting cylinder 61 is rotated, and the external thread at the right end of the spray head 63 enters the connecting cylinder 61, so that the connecting cylinder 61 and the spray head 63 are fixed through threads, and the spray head 63 and the right pipe 6 are fixed. Different specifications are designed to the right end of different shower nozzles 63, and the shower nozzles 63 of different specifications are used instead according to the article that needs were filled, make and fill fine hair convenient and fast more, improve the suitability of inner tube 1.
Spacing piece 62 card is at spacing inslot, makes connecting cylinder 61 when rotating, can not break away from with right pipe 6 to make connecting cylinder 61 can realize the fixed of right pipe 6 and shower nozzle 63.
As shown in fig. 5, a plurality of vent holes 31 are formed in the side wall of the vent tube 3, the outer tube 2 is sleeved outside the vent tube 3, and a plurality of bristles 23 are fixedly arranged on the inner wall of the outer tube 2. A plurality of air outlet holes 21 are formed in the side wall of the outer tube 2, and the diameter of the air outlet holes 21 is smaller than that of the air vent 31.
The down filling machine is started, air is blown into the inner pipe 1, down is blown into the ventilation pipe 3 from the left pipe 5, the down in the ventilation pipe 3 can be blown into the right pipe 6 by the air and is sprayed out from the spray head 63, and the spray head 63 sends the down into an object to be filled, so that the down filling work is completed.
As shown in fig. 1 and 4, a fixing block 4 is arranged at the left end of the ventilation pipe 3, a circular connecting hole is formed in the middle of the fixing block 4, a mounting groove is formed in the inner wall of the connecting hole, a first bearing 41 is arranged in the mounting groove, and the outer wall of the first bearing 41 is fixedly connected with the inner wall of the mounting groove. The inner diameter of the bearing I41 is the same as that of the connecting hole, the fixing block 4 is sleeved at one end of the ventilating pipe 3 through the connecting hole and is in running fit with the ventilating pipe 3, and the inner circle of the bearing I41 is fixedly connected with the ventilating pipe 3.
As shown in fig. 1 and 4, one end of the outer tube 2 is connected to the sidewall of one side of the fixing block 4, an annular connecting groove is provided on the sidewall of the right side of the fixing block 4, and the left end of the outer tube 2 is located in the connecting groove and is matched with the connecting groove. A moving groove 7 is arranged on the side wall of the left end of the outer tube 2, a moving sheet 71 is arranged in the moving groove 7, and the moving sheet 71 is in sliding fit with the moving groove 7. A clamping block 72 is fixedly arranged at the left end of the moving sheet 71, a U-shaped clamping groove is arranged on the side wall of the moving groove 7, and the clamping block 72 is in sliding fit with the clamping groove. The right end of the moving piece 71 is fixedly provided with a pushing block 73, the right side wall of the moving groove 7 is fixedly provided with a tension spring 74, and the left end of the tension spring 74 is fixedly connected with the right end of the moving piece 71.
The pushing sheet is pushed to drive the moving sheet 71 to move leftwards, and the tension spring 74 is stretched to generate a rightward tension on the moving sheet 71 by the tension spring 74. The moving piece 71 drives the latch 72 to move leftward, so that the latch 72 can enter the slot along one end of the slot, and when the latch 72 moves to the leftmost end of the slot, the outer tube 2 is rotated, so that the latch 72 moves along the transverse portion of the slot. After that, the pushing piece is released, the moving piece 71 moves rightwards under the action of the tension spring 74, so that the fixture block 72 enters the groove at the other side of the fixture groove, and the outer tube 2 and the fixing block 4 are fixed.
As shown in FIG. 2, a ring groove is arranged on one side of the fixing block 4 away from the outer tube 2, the ring groove is communicated with the connecting hole, and inner insections 42 are fixedly arranged on the side wall of the ring groove. The outer wall of one end of the ventilation pipe 3 is fixedly provided with a motor 43, an output shaft of the motor 43 is connected with a gear 44, and the gear 44 is positioned in the ring groove and meshed with the internal gear 42.
Some of the wind in the ventilation pipe 3 will blow out from the plurality of ventilation holes 31, and drive some down feather to stick to the inner wall of the ventilation pipe 3, so as to block the ventilation holes 31. The motor 43 is started to drive the gear 44 to rotate, the gear 44 can drive the fixing block 4 to rotate, the fixing block 4 drives the outer tube 2 to rotate, and the outer tube 2 rotates to drive the bristles 23 to rotate. One end of the plurality of brush hairs 23 far away from the inner wall of the outer tube 2 is attached to the outer wall of the inner tube 1 and moves along the inner wall of the outer tube 2. When a plurality of bristles 23 move to the position of the vent hole 31, one ends of the bristles 23 extend into the vent hole 31 to push down blocked at the vent hole 31 away, so that the vent hole 31 can keep a smooth state, and the ventilation pipe 3 can better guide and convey the down.
As shown in fig. 1 and 5, a collecting pipe 22 is fixedly arranged at one end of the outer pipe 2 far away from the fixed block 4, the collecting pipe 22 is sleeved outside the ventilating pipe 3, the collecting pipe 22 is in a circular truncated cone shape, a ring piece 24 is fixedly arranged at one end of the collecting pipe 22 with a smaller diameter, a ring-shaped groove is arranged at the right end of the ventilating pipe 3, and the ring piece 24 is clamped in the groove and is in running fit with the groove.
Part of the down will pass through the vents 31, enter the outer tube 2 and travel along the outer tube 2 into the collecting tube 22. The ring piece 24 at the right end of the collecting pipe 22 is clamped in the groove, so that the down feather cannot move out of the right end of the collecting pipe 22, and the collecting pipe 22 can collect the down feather.
Claims (6)
1. The utility model provides a fill fine hair machine and fill fine hair pipeline, includes inner tube (1) and outer tube (2), its characterized in that, inner tube (1) includes ventilation pipe (3) and the connecting pipe that is located ventilation pipe (3) both ends, a plurality of ventilation holes (31) have been seted up on the lateral wall of ventilation pipe (3), the outside at ventilation pipe (3) is established to outer tube (2) cover, a plurality of exhaust vents (21) have been seted up on the lateral wall of outer tube (2), the diameter of exhaust vent (21) is less than the diameter in ventilation hole (31), the left end of ventilation pipe (3) is equipped with fixed block (4), the circular shape connecting hole has been seted up at the middle part of fixed block (4), be equipped with the mounting groove on the inner wall of connecting hole, be equipped with bearing (41) in the mounting groove, the outer wall of bearing (41) and the inner wall fixed connection of mounting groove, the internal, the one end at ventilation pipe (3) is established through the connecting hole cover to fixed block (4), and with ventilation pipe (3) normal running fit, interior circle and ventilation pipe (3) fixed connection of bearing (41), the one end of outer tube (2) is connected with the lateral wall of fixed block (4) one side, the one end that fixed block (4) were kept away from in outer tube (2) has set firmly collecting pipe (22), the outside at ventilation pipe (3) is established to collecting pipe (22) cover, the one end that outer tube (2) were kept away from in collecting pipe (22) is connected with the outer wall rotation of ventilation pipe (3), set firmly a plurality of brush hair (23) on the inner wall of outer tube (2), one side that outer tube (2) were kept away from in fixed block (4) is equipped with the annular, the annular communicates with each other with the connecting hole, set firmly interior insection (42) on the lateral wall of annular, set firmly motor (43, and an output shaft of the motor (43) is connected with a gear (44), and the gear (44) is positioned in the ring groove and meshed with the internal insection (42).
2. The down filling pipe for the down filling machine according to claim 1, wherein the connecting pipe comprises a left pipe (5) and a right pipe (6), the left pipe (5) is located at the left end of the ventilation pipe (3), a fixed cylinder (51) is sleeved outside the left pipe (5), the fixed cylinder (51) is connected with the left pipe (5) in a sliding manner, and a plurality of L-shaped fixing grooves are fixedly formed in the inner wall of the left end of the fixed cylinder (51).
3. The down filling pipe for the down filling machine according to claim 2, wherein two sliding grooves are symmetrically formed in the outer wall of the left pipe (5), two sliding blocks (52) are symmetrically formed in the inner wall of the fixed cylinder (51), the two sliding blocks (52) are respectively located in the two sliding grooves and are in sliding fit with the sliding grooves, and positioning grooves perpendicular to the direction of the sliding grooves are formed in the left ends of the two sliding grooves and are in sliding fit with the sliding blocks (52).
4. The down filling pipe for the down filling machine according to claim 3, wherein a connecting cylinder (61) is sleeved at the right end of the right pipe (6), a circle of limiting piece (62) is fixedly arranged on the inner wall of the left end of the connecting cylinder (61), a circle of limiting groove is formed in the outer side of the right end of the right pipe (6), the limiting piece (62) is located in the limiting groove and is in running fit with the limiting groove, a spray head (63) is connected to one end, far away from the right pipe (6), of the connecting cylinder (61), external threads are arranged on the outer surface of the left end of the spray head (63), internal threads are fixedly arranged on the inner wall of the right end of the connecting cylinder (61), and the external threads are matched with the internal threads.
5. A down filling pipe for a down filling machine according to claim 4, wherein the side wall of the right side of the fixed block (4) is provided with an annular connecting groove, the left end of the outer pipe (2) is positioned in the connecting groove, and is matched with the connecting groove, a moving groove (7) is arranged on the side wall of the left end of the outer tube (2), a moving sheet (71) is arranged in the moving groove (7), the moving sheet (71) is in sliding fit with the moving groove (7), a clamping block (72) is fixedly arranged at the left end of the moving sheet (71), a U-shaped clamping groove is arranged on the side wall of the moving groove (7), the clamping block (72) is in sliding fit with the clamping groove, the right end of the moving sheet (71) is fixedly provided with a pushing block (73), a tension spring (74) is fixedly arranged on the right side wall of the moving groove (7), and the left end of the tension spring (74) is fixedly connected with the right end of the moving sheet (71).
6. A down filling pipe for a down filling machine according to claim 5, wherein the collecting pipe (22) is in a shape of a circular truncated cone, a ring piece (24) is fixedly arranged at one end of the collecting pipe (22) with a smaller diameter, a ring-shaped groove is arranged at the right end of the ventilating pipe (3), and the ring piece (24) is clamped in the groove and is in rotating fit with the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921175539.5U CN210656139U (en) | 2019-07-24 | 2019-07-24 | Down filling pipeline for down filling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921175539.5U CN210656139U (en) | 2019-07-24 | 2019-07-24 | Down filling pipeline for down filling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210656139U true CN210656139U (en) | 2020-06-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921175539.5U Expired - Fee Related CN210656139U (en) | 2019-07-24 | 2019-07-24 | Down filling pipeline for down filling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210656139U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112520681A (en) * | 2020-11-11 | 2021-03-19 | 安徽西格玛服饰有限公司 | Down filling mechanism for down filling machine |
-
2019
- 2019-07-24 CN CN201921175539.5U patent/CN210656139U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112520681A (en) * | 2020-11-11 | 2021-03-19 | 安徽西格玛服饰有限公司 | Down filling mechanism for down filling machine |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200602 Termination date: 20210724 |