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CN-122018270-A - Toner supply device for toner container

CN122018270ACN 122018270 ACN122018270 ACN 122018270ACN-122018270-A

Abstract

The invention provides a toner supply device for a toner container, which comprises a roller component and a pump body component, wherein the roller component and the pump body component are positioned in the pump body component, relative movement is formed between the roller component and the pump body component, and the change of the relative position of the roller component and the pump body component caused by the movement changes the size of an inner space of the pump body component to cause the change of air pressure in the toner container so as to convey toner. The whole structure of the device utilizes a less sliding friction structure, so that the power loss is effectively reduced, the service life of the device is prolonged, and the device is more energy-saving and environment-friendly.

Inventors

  • GENG HAIFENG
  • QI JIAN
  • LIU WENLI

Assignees

  • 北京新晨办公设备有限公司

Dates

Publication Date
20260512
Application Date
20260206

Claims (16)

  1. 1. A toner supply device for a toner container, loaded in a toner container, comprising: the roller assembly is positioned in the pump body assembly, relative movement is formed between the roller assembly and the pump body assembly, and the change of the relative positions of the roller assembly and the pump body assembly caused by movement changes the size of the inner space of the pump body assembly, so that the change of air pressure in the toner container is caused to convey toner.
  2. 2. A toner supply device for a toner container as claimed in claim 1, wherein the pump body assembly has an air flow passage at one end and is closed at the other end.
  3. 3. The toner supply device for a toner container as claimed in claim 2, wherein the roller assembly includes: a roller having a roller axis; The roller bracket is provided with a roller connecting piece, the roller connecting piece and the roller shaft position are clamped together, and the roller is positioned at the side part of the roller bracket; the main shaft penetrates through the roller support and is fixed with the roller support radially and axially, the main shaft can drive the roller support to rotate when rotating, and the roller support rotates relative to the roller.
  4. 4. A toner supply device for a toner container as claimed in claim 3, wherein, Two sides of the roller support are symmetrically connected with two rollers, and the roller support is provided with a central pore canal; The main shaft is provided with a pin shaft and a clamp spring, the main shaft penetrates through a central pore canal of the roller support and is axially fixed with the roller support through the pin shaft, and the main shaft is clamped at a notch of the central pore canal through the clamp spring to be radially fixed with the roller support.
  5. 5. A toner supply device for a toner container as claimed in claim 3, wherein the pump body assembly includes: The elastic sleeve is sleeved on the roller assembly and is attached to the outer surface of the roller assembly; the elastic sleeve upper plug penetrates through the upper end of the main shaft of the roller assembly to plug the upper end of the elastic sleeve, and the upper end is sealed; the elastic sleeve lower plug penetrates through the lower end of the main shaft of the roller assembly to plug the lower end of the elastic sleeve, and the air flow channel is positioned in the center of the elastic sleeve lower plug; when the main shaft rotates, the idler wheels of the idler wheel assembly roll relative to the elastic sleeve, so that the elastic sleeve is changed between the bulge and the recess.
  6. 6. A toner supply device for a toner container as claimed in claim 5 wherein the pump body assembly includes a perforated bracket and a cylindrical bracket, the perforated bracket and the cylindrical bracket having a semi-circular cylindrical structure which when snapped together sandwich the elastic sleeve of the pump body assembly.
  7. 7. The toner supply device for toner container as claimed in claim 6, wherein both ends of the perforated support and the column support press-seal an elastic jacket upper stopper and an elastic jacket lower stopper with the elastic jacket.
  8. 8. The toner supply device for toner container as claimed in claim 7, wherein both ends of the perforated support and the column support are fixed with the elastic sleeve upper stopper and the elastic sleeve lower stopper, respectively, so that the perforated support and the column support rotate as the main shaft rotates.
  9. 9. A toner supply device for a toner container as claimed in claim 5, wherein the pump body assembly includes an elastic sealing ring which seals the periphery of the elastic sleeve between the lower end of the elastic sleeve and the lower plug of the elastic sleeve so that the air flow is only in and out from the air flow passage.
  10. 10. The toner supply device for toner container as claimed in claim 7, wherein the pump body assembly includes a pressing cover passing through a lower end of the main shaft, pressing on an outer side of the elastic sleeve lower stopper, an inner side portion of the pressing cover being fixed to the toner container.
  11. 11. The toner supply device for a toner container as claimed in claim 10, wherein the pump body assembly includes a cap housing, an upper end of which is rotatably fixed with a lower end of the cap so that the cap housing can rotate relative to the cap.
  12. 12. The toner supply device for a toner container as claimed in claim 11, wherein the pump body assembly includes a main shaft sleeve connected between the pressing cover and the pressing cover housing, the main shaft sleeve including: the inserting end is sleeved at the lower end of the main shaft penetrating through the gland and is in torsion connection with each other; and the torsion transmitting end is matched with the notch of the gland shell and transmits torsion to the gland shell.
  13. 13. The toner supply device for a toner container as claimed in claim 11, wherein the pump body assembly includes a housing handle fixed to a lower end of the cap housing, the housing handle covering a portion of the cap housing.
  14. 14. The toner supply device for a toner container as claimed in claim 5, wherein the elastic sleeve is convex when the relative position of the roller assembly and the pump body assembly is 90 degrees, and concave when the relative position of the roller assembly and the pump body assembly is 0 degrees.
  15. 15. The toner supply device for toner container as claimed in claim 1, wherein the pump body assembly has a maximum internal space when the relative position of the roller assembly and the pump body assembly is 90 degrees, and a maximum internal air pressure in the toner container, and wherein the pump body assembly has a minimum internal space when the relative position of the roller assembly and the pump body assembly is 0 degrees, and a minimum internal air pressure in the toner container.
  16. 16. A toner supply device for a toner container as claimed in claim 2, wherein the hole for outputting toner of the toner container is located on a side remote from the air flow passage.

Description

Toner supply device for toner container Technical Field The present invention relates to the technical field of toner containers, and more particularly, to a toner supply device for a toner container. Background In laser printing or copying equipment, a toner supply container is critical. It is not only the reservoir of toner, but also a critical component to ensure print quality and proper operation of the device. When the air pressure supply to the toner supply container is either insufficient or unstable, it can directly affect the toner delivery and cause a series of specific print quality problems, and in severe cases even damage the apparatus. The toner supply container of the related art has the following drawbacks. 1. The pressurizing amount of the gas is small, and carbon powder precipitated for a long time is accumulated and cannot be normally supplied. The equipment can not work normally due to lack of carbon powder, and the consumed toner consumption is misreported. 2. The gas compression device relates to mechanical power transmission, has more sliding friction, and requires higher durability corresponding to structural materials, and requires more energy for driving. 3. The product cannot be replenished with toner for a second time and can be used continuously. The product is disposable and the empty bottle produces more solid waste. Disclosure of Invention Aiming at the problems in the background technology, the device of the invention utilizes the relative motion of the roller component and the bracket which are arranged in the toner container to deform the elastic sleeve, change the appearance volume, and cause the internal air pressure change because the elastic sleeve is integrally arranged in the toner container, so that the air pressure difference is generated with the outside, and toner particles are output to the corresponding pipeline along with the air flow. The invention provides a toner container supply device which comprises a roller component and a pump body component, wherein the roller component is positioned in the pump body component, relative rotation is formed between the roller component and the pump body component, and the change of the relative position of the roller component and the pump body component caused by rotation changes the size of the inner space of the pump body component to cause the change of air pressure in a toner container so as to convey toner. Optionally, one end of the pump body assembly is provided with an airflow channel, and the other end of the pump body assembly is closed. Optionally, the roller assembly comprises a roller, a roller support and a spindle, wherein the roller is provided with a roller shaft position, the roller support is provided with a roller connecting piece, the roller connecting piece is clamped with the roller shaft position, the roller is positioned at the side part of the roller support, the spindle penetrates through the roller support and is fixed with the roller support radially and axially, the spindle can drive the roller support to rotate when rotating, and the roller support rotates relative to the roller. The main shaft is provided with a pin shaft and a clamp spring, penetrates through the central pore canal of the roller support, is axially fixed with the roller support through the pin shaft, and is clamped in a notch of the central pore canal through the clamp spring to be radially fixed with the roller support. The pump body assembly comprises an elastic sleeve, an elastic sleeve upper plug, an elastic sleeve lower plug and an air flow channel, wherein the elastic sleeve is sleeved on the roller assembly and is attached to the outer surface of the roller assembly, the elastic sleeve upper plug penetrates through the upper end of a main shaft of the roller assembly to plug the upper end of the elastic sleeve and seal the upper end of the elastic sleeve, the elastic sleeve lower plug penetrates through the lower end of the main shaft of the roller assembly to plug the lower end of the elastic sleeve, the air flow channel is positioned in the center of the elastic sleeve lower plug, and when the main shaft rotates, the roller of the roller assembly rolls relative to the elastic sleeve to enable the elastic sleeve to change between a bulge and a recess. Optionally, the pump body component comprises a support with holes and a support with columns, wherein the support with holes and the support with columns are of semi-circular cylindrical structures, and the elastic sleeve is clamped between the support with holes and the support with columns when the support with holes and the support with columns are buckled together. Optionally, the two ends of the support with holes and the support with columns compress and seal the elastic sleeve upper plug and the elastic sleeve lower plug with the elastic sleeve. Optionally, two ends of the support with holes and the support with columns are respectively fixed with the upper