CN211865707U - Inner pipe fitting applied to roller brush - Google Patents

Abstract

The utility model discloses an inner pipe fitting applied to a roller brush, which comprises a front cone part and a central piece part connected with the front cone part; and a lid portion connected to the central portion. The utility model discloses a be convenient for the stifle and the jump ring sleeve that the brush holder wore to establish are installed at the both ends of body including, and the three cooperation realizes stable installation, and interior body accuracy is high. The inner pipe body and the hot melt adhesive have high bonding strength, high temperature resistance, difficult deformation, thin pipe wall, good toughness, smooth cut and accurate and uniform length; the snap spring blank cap is firmly and stably matched with the inner pipe body, and does not shake or fall off; the clamp spring is an open elastic plastic pipe, so that the assembly is simple and the tightness is proper; the three cooperate to make the interior body of whole cylinder brush rotate smoothly, and stability is strong, and degree of automation is high, has saved the cost greatly than complicated structure in the past.

Description

Inner pipe fitting applied to roller brush

Technical Field

The utility model belongs to the technical field of the cylinder brush, specifically speaking relates to an inner tube spare for cylinder brush.

Background

The roller brush is widely used in house decoration, ship nursing, garden protection and other operations. The current roller brush has poor fastening performance when the brush handle is installed on the roller, is not stable enough when being painted and is easy to misplace, a bearing is specially installed inside the roller brush, the rolling performance is improved, and therefore the processing cost is high, the roller brush is lack of an accessory which is easy to produce and process, low in cost and stable to paint in the roller brush.

SUMMERY OF THE UTILITY MODEL

In view of this, the technical problem to be solved by the present invention is to provide an inner tube for a roller brush, wherein the inner tube is installed at both ends of the outer tube so that the brush handle can be easily inserted into the inner tube, and the inner tube is matched with the front cone, the central piece and the blank cap to realize stable installation, thereby avoiding the trouble of poor stability caused by the prior direct insertion of the brush handle.

In order to solve the technical problem, the utility model discloses an inner pipe applied to a roller brush, which comprises an inner pipe body, wherein the inner pipe body is inserted at two ends of an outer pipe body and is penetrated by a brush handle, and the inner pipe body comprises a front cone part and a central piece part connected with the front cone part; and a lid portion connected to the central portion; the central piece part is provided with a partially exposed sliding cavity, a clamp spring sleeve is arranged in the sliding cavity, the front conical part and the blank cover part are provided with through cavities which are respectively communicated with the clamp spring sleeve, and the through cavities penetrate through the brush handle.

According to the utility model discloses an embodiment, wherein above-mentioned sliding chamber central authorities have the extension dado that presses spacing jump ring sleeve outer wall.

According to an embodiment of the present invention, the saw teeth are densely distributed on both sides of the central portion.

According to an embodiment of the present invention, the end of the central piece portion close to the lid portion is provided with two spaced reinforcing sealing rings.

According to the present invention, the sliding cavity has a reinforcing plate extending from the lower side thereof to connect the front cone and the lid, and the edge of the reinforcing plate is provided with a saw tooth.

According to an embodiment of the present invention, the central portion is provided with a through hole having a shape of a waist circle at both sides of the sliding cavity.

Compared with the prior art, the utility model discloses can obtain including following technological effect:

through the interior body of the both ends installation of outer barrel convenient to brush holder wear to establish, by the cooperation of preceding cone portion, central authorities piece portion and stifle portion three, realize stable installation, avoid in the past direct cartridge brush holder to cause the trouble of poor stability.

Of course, it is not necessary for any product to achieve all of the above-described technical effects simultaneously.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:

FIG. 1 is a schematic view of a roller brush according to an embodiment of the present invention;

fig. 2 is a schematic view of an inner tube according to an embodiment of the present invention.

Reference numerals

The outer cylinder 10, the inner cylinder 20, the front cone part 30, the central sheet part 40, the sawteeth 41, the through hole 42, the blank cap part 50, the sliding cavity 60, the extension protective wall 61, the clamp spring sleeve 70, the through cavity 80 and the reinforcing sealing ring 90.

Detailed Description

The following detailed description will be made with reference to the accompanying drawings and examples, so that how to implement the technical means of the present invention to solve the technical problems and achieve the technical effects can be fully understood and implemented.

Referring to fig. 1 and 2 together, fig. 1 is a schematic view of a roller brush according to an embodiment of the present invention; fig. 2 is a schematic view of an inner tube according to an embodiment of the present invention. As shown in the drawings, an inner pipe member applied to a roller brush includes an inner pipe body 20, the inner pipe body 20 being inserted into both ends of an outer cylinder 10; and the two ends of the brush handle are penetrated with the brush handle; wherein the inner tube 20 comprises a front cone part 30, a central sheet part 40 connected with the front cone part 30; and a blank cap portion 50 connected to the central sheet portion 40; the central portion 40 has a partially exposed sliding cavity 60, a snap spring sleeve 70 is arranged in the sliding cavity 60, the front cone portion 30 and the blank cap portion 50 have a through cavity 80 respectively communicated with the snap spring sleeve 70, and the through cavity 80 penetrates through the brush handle.

The utility model discloses an in the embodiment, outer barrel 10 adopts the extruded tube of convenient cutting, decides the size according to the demand, then inserts at its both ends and establishes and sticky interior body 20 to finally the cover is established the brush cloth, wears to establish the brush holder, realizes the round brush work. Compared with the prior art, the outer cylinder body 10 directly and integrally arranged is more convenient to install and replace and has higher stability.

Specifically, the inner tube 20 includes a front cone 30 inserted into the outer tube 10, which is beneficial to guiding, and a central sheet 40 with a sliding cavity 60 extending from the rear end thereof for being embedded with a snap spring sleeve 70 corresponding to a bearing, and the shaft diameter thereof is smaller than the sliding cavity 60, so that the brush holder can roll freely and fully when being inserted, thereby avoiding the need of a bearing with higher use cost in the past. The circular blank cap portion 50 is disposed at the rear end of the central piece portion 40, and is used for fully covering the port of the outer cylinder 10, and fully bonding the outer cylinder 10 by matching with the hot melt adhesive, so as to complete the fixation.

It should be understood that, the center of the sliding cavity 60 is provided with an extending protection wall 61 which presses against the outer wall of the limiting clamp spring sleeve 70, the central radian of the extending protection wall is inwardly tightened, the two ends of the extending protection wall are expanded, the extending protection wall can be limited to abut against the clamp spring sleeve 70, the clamp spring sleeve 70 with a smaller size can be conveniently inserted and installed, and the sliding cavity is convenient and practical.

In addition, a reinforcing sheet part connecting the front cone part 30 and the blank cap part 50 extends from the lower side of the slide cavity 60, and the edge of the reinforcing sheet part is provided with sawteeth 41, so that on one hand, the strength of the central sheet part 40 is enhanced, and the deformation is prevented; on the other hand, the fastening firmness of the inner tube body 20 during insertion can be enhanced, and the stability is improved. Preferably, the central piece 40 is densely provided with serrations 41 on both sides thereof to further enhance stability.

Two reinforcing seal rings 90 are provided at intervals at one end of the central piece 40 close to the lid portion 50, so that the stability of the lid portion 50 at the rear end can be enhanced and deformation can be prevented.

The central plate portion 40 is provided with a waist-shaped through hole 62 at both sides of the sliding chamber 60, so as to save materials while absorbing shock.

In conclusion, the inner tube 20 has high precision, good bonding effect with the hot melt adhesive, high temperature resistance, difficult deformation, thin tube wall, good toughness and difficult breakage; the cut is smooth and is cut without scraps; the blank cap part 50 is not easy to shake and has strong stability.

While the foregoing description shows and describes several preferred embodiments of the invention, it is to be understood, as noted above, that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims (6)

1. An inner pipe applied to a roller brush comprises an inner pipe body, wherein the inner pipe body is inserted at two ends of an outer cylinder body and is penetrated and arranged by a brush handle; and a blank cap portion connected to the central sheet portion; the middle piece part is provided with a partially exposed sliding cavity, a clamp spring sleeve is arranged in the sliding cavity, the front pyramid part and the blank cap part are respectively communicated with the through cavity of the clamp spring sleeve, and the through cavity is penetrated by the brush handle.

2. The inner pipe member for a roller brush as claimed in claim 1, wherein the sliding chamber has an extended wall at a center thereof to press against and limit an outer wall of the circlip sleeve.

3. The inner pipe member for a drum brush according to claim 1, wherein the central plate portion is densely provided with the saw teeth at both sides thereof.

4. The inner tubular member for a roller brush as claimed in claim 1, wherein the central portion is provided with two spaced reinforcing sealing rings at an end thereof adjacent the blanking portion.

5. The inner tube for a roller brush as claimed in claim 1, wherein a reinforcing plate portion connecting the front cone portion and the blanking portion extends from a lower side of the slide chamber, and the edge of the reinforcing plate portion is provided with serrations.

6. The inner pipe for a drum brush according to claim 1, wherein the central plate portion is provided with a waist-circular through hole at both sides of the sliding chamber.

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