CN218675698U

CN218675698U - Conductive structure of conductive sheet of processing box

Info

Publication number: CN218675698U
Application number: CN202223219209.6U
Authority: CN
Inventors: 冉启国
Original assignee: Zhuhai Someway Electronic Science And Technology Co ltd
Current assignee: Zhuhai Someway Electronic Science And Technology Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-03-21
Anticipated expiration: 2032-11-30

Abstract

The utility model discloses a processing box conducting strip conductive structure, including sending whitewashed roller, developer roll, its characterized in that: the powder feeding device is characterized by further comprising a conducting strip, wherein the conducting strip is provided with a first elastic contact piece and a second elastic contact piece, the first elastic contact piece is in contact with the shaft end of the developing roller, the second elastic contact piece is in contact with the shaft end of the powder feeding roller, the conducting strip is fixed on a rubber piece, and the rubber piece is fixed on the powder bin shell. The rubber part does not need to be made of conductive materials, and the elastic contact piece I and the elastic contact piece II are respectively contacted with the shaft end of the developing roller and the shaft end of the powder feeding roller, so that good contact is fully ensured, and the problem of poor conductivity is avoided as much as possible.

Description

Conductive structure of conductive sheet of processing box

Technical Field

The utility model relates to a laser printer selenium drum, especially a handle box conducting strip conducting structure.

Background

The laser printer is a common device in office and family, and the common laser printer for household or office mainly comprises a main machine body and a processing box which can be assembled and disassembled from the main machine body. The processing box mainly comprises a photosensitive drum, a developing roller, a powder feeding roller, a powder bin and a waste powder bin. The processing box with the structure is mainly suitable for non-magnetic carbon powder, so that the powder feeding roller and the developing roller are electrified to generate an electric field, and the non-magnetic carbon powder is conveyed from the powder feeding roller to the developing roller and the developing roller to the photosensitive drum through the electric field force.

Therefore, one end of the powder feeding roller is connected with an external power supply, the other end of the powder feeding roller is electrically connected with the developing roller through the conductive rubber part so as to supply power to the developing roller, and the specific communication structure of the conductive rubber part is as follows: the conductive rubber piece is respectively provided with a developing roller shaft hole and a powder feeding roller shaft hole, and the shaft end of the powder feeding roller is in rotating fit with the shaft hole of the powder feeding roller; the axle head and the developer roll shaft hole normal running fit of developer roll, in the above-mentioned structure, because the axle head need be at the high-speed rotation in shaft hole, therefore have certain tolerance clearance between axle head and shaft hole, because the length of axle head is limited moreover, therefore the area of contact in axle head and shaft hole is limited, in addition the wearing and tearing of long-time use lead to later stage axle head and shaft hole to produce contact failure easily to lead to electrically conductive bad and influence the printing quality.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides a conducting structure of a conducting strip of a processing box.

The utility model provides a technical scheme that its technical problem adopted is:

handle box conducting strip conducting structure, including powder feeding roller, developer roll, its characterized in that: the powder feeding device is characterized by further comprising a conducting strip, wherein the conducting strip is provided with a first elastic contact piece and a second elastic contact piece, the first elastic contact piece is in contact with the shaft end of the developing roller, the second elastic contact piece is in contact with the shaft end of the powder feeding roller, the conducting strip is fixed on a rubber piece, and the rubber piece is fixed on the powder bin shell.

The rubber part is provided with a developing roller shaft hole and a powder feeding roller shaft hole, the shaft end of the developing roller is in running fit with the developing roller shaft hole, the shaft end of the powder feeding roller is in running fit with the powder feeding roller shaft hole, the developing roller shaft hole and the powder feeding roller shaft hole are through holes, and the first elastic contact piece is in contact with the end face of the shaft end of the developing roller; and the second elastic contact piece is contacted with the end face of the shaft end of the powder feeding roller.

The rubber part is fixed with the powder bin shell through a screw, the conducting plate is provided with a connecting hole, and the screw penetrates through the connecting hole to fix the conducting plate on the rubber part.

The rubber piece is provided with a positioning table, and the conducting plate is provided with a positioning groove matched with the positioning table.

The conducting strip comprises a bottom piece, a first side piece, a second side piece and a third side piece, wherein the first side piece, the second side piece and the third side piece are connected with the edge of the bottom piece, the positioning groove is formed by the bottom piece, the first side piece, the second side piece and the third side piece, the first elastic contact piece is connected with the first side piece, and the second elastic contact piece is connected with the second side piece.

A buckle structure is arranged between the positioning table and the positioning groove.

The clamping structure comprises a clamping block arranged on the side face of the positioning table and a clamping hole arranged on the positioning groove, and the clamping block is clamped in the clamping hole.

And the ends of the first elastic contact piece and the second elastic contact piece are provided with contacts.

The utility model has the advantages that: the utility model discloses a conducting strip incoming telegram connects and send whitewashed roller and developer roll to redesign the structure of gluing the piece, therefore the conducting strip can be fixed on gluing the piece and pass through the axle head contact of elastic contact one and developer roll, elastic contact two and the axle head contact of sending whitewashed roller to the realization is sent whitewashed roller and developer roll's electricity to be connected, above-mentioned structure not only glues the piece and can not need the conducting material preparation, and through elastic contact one and elastic contact two respectively with the axle head of developer roll and send whitewashed roller's axle head contact, fully guaranteed the contact well, thereby avoided the problem of poor conductivity as far as possible.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is an internal structural view of a process cartridge;

FIG. 2 is a structural view of the glue member;

FIG. 3 is a structural view of the glue member in another orientation;

fig. 4 is a structural view of a conductive sheet.

Detailed Description

Advantages and features of the present disclosure and methods of practicing the same will be clarified by the following embodiments described with reference to the accompanying drawings. This disclosure may, however, be embodied in different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. Furthermore, the present disclosure is to be limited only by the scope of the claims.

The shapes, sizes, proportions, angles and numbers disclosed in the accompanying drawings for describing embodiments of the present disclosure are by way of example only, and are not intended to be limited to the details shown. Like reference numerals refer to like elements throughout the specification. In the following description, when a detailed description of related known functions or configurations is determined to unnecessarily obscure the focus of the present disclosure, the detailed description will be omitted. In the case of using "including", "having", and "including" described in this specification, other components may be added unless "only" is used. Unless indicated to the contrary, singular terms may include the plural.

In explaining the elements, the elements are understood to include error ranges although not explicitly described.

In describing the positional relationship, for example, when the positional relationship is described as "on \8230;," on 8230; "\82303030;," "on 8230;, \823030;," below "and" \8230;, \823030; "adjacent," one or more portions may be arranged between two other portions unless "immediately" or "directly" is used.

In describing the temporal relationship, for example, when the temporal sequence is described as "after" \8230; \8230, then "," next ", and" before "\8230; \8230, before" may include the case of discontinuity unless "just" or "directly" is used.

It will be understood that, although the terms first, second, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of the present disclosure.

As will be well understood by those skilled in the art, the features of the different embodiments of the present disclosure may be partially or fully coupled or combined with each other and may cooperate with each other and be technically driven in various ways. Embodiments of the present disclosure may be performed independently of each other, or may be performed together in an interdependent relationship.

Referring to fig. 1 to 4, the utility model discloses a handle box conducting strip conducting structure, including sending powder roller 1, developer roll 2, still include conducting strip 3, be equipped with elastic contact piece 4 and elastic contact piece two 5 on the conducting strip 3, the axle head contact of elastic contact piece 4 and developer roll 2, elastic contact piece two 5 and the axle head contact of sending powder roller 1, conducting strip 3 is fixed on gluey piece 6, and this gluey piece 6 is fixed in on the powder storehouse casing, and conducting strip 3, elastic contact piece 4 and elastic contact piece two 5 in this application all are the metal and make, and the preferred is the copper product, therefore electrically conductive effectual and wear-resisting indeformable, elastic contact moreover, therefore fully guaranteed the contact good to the problem of conducting badness has been avoided as far as possible. In the structure, the rubber part 6 can be made of common plastics, and as a further preferable structure, the ends of the first elastic contact piece 4 and the second elastic contact piece 5 are both provided with contacts 7, and the contacts 7 are half round points and are better contacted with the shaft ends.

As shown in the figure, a developing roller shaft hole 8 and a powder feeding roller shaft hole 9 are arranged on the rubber piece 6, the shaft end of the developing roller 2 is in running fit with the developing roller shaft hole 8, the shaft end of the powder feeding roller 1 is in running fit with the powder feeding roller shaft hole 9, the developing roller shaft hole 8 and the powder feeding roller shaft hole 9 are through holes, and the elastic contact piece I4 is in contact with the end face of the shaft end of the developing roller 2; the end face contact of the second elastic contact piece 5 and the shaft end of the powder feeding roller 1, the shaft hole 8 of the developing roller and the shaft hole 9 of the powder feeding roller are through holes, so that the shaft end face can be selected by the contact point 7, the received elastic force can be ensured to be in favor of ensuring stable rotation as the axial direction, and uniform abrasion is ensured, and the rubber part 6 is used as a further structure and fixed with the powder bin shell through a screw 10, a connecting hole is formed in the conductive plate 3, the screw 10 penetrates through the connecting hole, so that the conductive plate 3 is fixed on the rubber part 6, a screw hole is not needed to be additionally formed, and the product structure is simplified.

As shown in the figure, be equipped with location platform 11 on the gluey piece 6, be equipped with on the conducting strip 3 with location platform 11 complex constant head tank 12, the installation of not only being convenient for like this also through the position of 11 restriction conducting strips of location platform 3, it is specific: the conducting strip 3 comprises a bottom piece 13, a first side piece 14, a second side piece 15 and a third side piece 16 which are connected with the edge of the bottom piece 13, the positioning groove 12 is composed of the bottom piece 13, the first side piece 14, the second side piece 15 and the third side piece 16, the first elastic contact piece 4 is connected with the first side piece 14, the second elastic contact piece 5 is connected with the second side piece 15, the structure is bent ninety degrees with the bottom piece 13 through the first side piece 14, the second side piece 15 and the third side piece 16, and therefore the conducting strip can be integrally formed through punching, and the first elastic contact piece 4 and the first side piece 14 are also integrally formed through punching; the elastic contact piece II 5 and the side piece II 15 are also integrally formed by punching, so that the structure is low in cost and easy to machine and manufacture.

As a further structure, a snap structure is arranged between the positioning table 11 and the positioning groove 12, so that the conductive sheet 3 can be fixed and the fixing structure is simple, and thus, the conductive sheet can be completely fixed only by matching one screw 10, and the number of the screws 10 for fixing is reduced. Specifically, the buckling structure comprises a clamping block 17 arranged on the side surface of the positioning table 11 and a clamping hole 18 arranged on the positioning groove 12, the clamping block 17 is clamped in the clamping hole 18, the clamping hole 18 is also formed by blanking, and the structure is simple.

The above detailed description is made on the conductive structure of the conductive sheet of the processing box provided by the embodiment of the present invention, and the detailed embodiments are applied herein to explain the principle and the implementation manner of the present invention, and the description of the above embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.

Claims

1. Handle box conducting strip conducting structure, including powder feeding roller, developer roll, its characterized in that: the powder feeding roller is characterized by further comprising a conducting strip, wherein a first elastic contact piece and a second elastic contact piece are arranged on the conducting strip, the first elastic contact piece is in contact with the shaft end of the developing roller, the second elastic contact piece is in contact with the shaft end of the powder feeding roller, the conducting strip is fixed on a rubber piece, and the rubber piece is fixed on the powder bin shell.

2. A conductive sheet conductive structure for a process cartridge according to claim 1, wherein: the rubber part is provided with a developing roller shaft hole and a powder feeding roller shaft hole, the shaft end of the developing roller is in running fit with the developing roller shaft hole, the shaft end of the powder feeding roller is in running fit with the powder feeding roller shaft hole, the developing roller shaft hole and the powder feeding roller shaft hole are through holes, and the first elastic contact piece is in contact with the end face of the shaft end of the developing roller; and the second elastic contact piece is contacted with the end face of the shaft end of the powder feeding roller.

3. A conductive sheet conductive structure for a process cartridge according to claim 1, wherein: the rubber part is fixed with the powder bin shell through a screw, a connecting hole is formed in the conducting plate, and the screw penetrates through the connecting hole to fix the conducting plate on the rubber part.

4. A conductive sheet conductive structure for a process cartridge according to claim 1, wherein: the rubber piece is provided with a positioning table, and the conducting plate is provided with a positioning groove matched with the positioning table.

5. The conductive sheet conductive structure for a process cartridge according to claim 4, wherein: the conducting strip comprises a bottom piece, a first side piece, a second side piece and a third side piece, wherein the first side piece, the second side piece and the third side piece are connected with the edge of the bottom piece, the positioning groove is formed by the bottom piece, the first side piece, the second side piece and the third side piece, the first elastic contact piece is connected with the first side piece, and the second elastic contact piece is connected with the second side piece.

6. The conductive sheet conductive structure for a process cartridge according to claim 4, wherein: a buckle structure is arranged between the positioning table and the positioning groove.

7. The conductive sheet conductive structure of a process cartridge according to claim 6, wherein: the clamping structure comprises a clamping block arranged on the side face of the positioning table and a clamping hole arranged on the positioning groove, and the clamping block is clamped in the clamping hole.

8. A conductive sheet conductive structure for a process cartridge according to claim 1, wherein: and the ends of the first elastic contact piece and the second elastic contact piece are provided with contacts.