CN215031499U

CN215031499U - Window scraping device

Info

Publication number: CN215031499U
Application number: CN202120917600.XU
Authority: CN
Inventors: 孙永达; 范春阳; 谷正军; 杨雨晰
Original assignee: Jiangsu Jieda Centrifuge Manufacture Co ltd
Current assignee: Jiangsu Jieda Centrifuge Manufacture Co ltd
Priority date: 2021-04-29
Filing date: 2021-04-29
Publication date: 2021-12-07
Anticipated expiration: 2031-04-29

Abstract

The utility model discloses a window scraping device that the window is hugged closely all the time to good, and can make the scraping piece of leakproofness, include: the scraping sheet, one end of the locating sleeve is provided with a locating cap, and at least one locating sleeve sealing ring is sleeved on the locating sleeve; a rotary fulcrum shaft is movably arranged in the positioning sleeve, and at least one rotary fulcrum shaft sealing ring is arranged between the rotary fulcrum shaft and the positioning sleeve; the inner end of the rotating fulcrum shaft extends out of the positioning sleeve and is provided with a limiting cap, the outer end of the rotating fulcrum shaft extends out of the positioning sleeve and is provided with a compression nut with a handle through threads, and a pre-tightening spring is arranged between the compression nut and the positioning sleeve; the scraping sheet is arranged at the inner end of the rotary fulcrum shaft through the scraping bracket. The window scraping device can be widely applied to observation windows of various closed containers.

Description

Window scraping device

Technical Field

The utility model relates to a scraping device, concretely relates to window scraping device.

Background

As is known, the closed containers are generally provided with a window for observation, and the window is generally provided with scraping means for keeping the window clean. At present, on one hand, in the traditional window scraping device, as a sealing mechanism is not arranged between the window scraping device and a window, the leakage phenomenon is easy to occur; on the other hand, the scraping sheet is continuously worn in the using process, so that the scraping sheet cannot be tightly attached to the window, the window cannot be scraped dry and quiet, and the change in the container cannot be observed through the window.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: provides a window scraping device which has good sealing performance and can ensure that a scraping sheet is always attached to a window.

For solving the technical problem, the utility model discloses the technical scheme who adopts does: a window scraping device comprising: the scraping sheet, one end of the locating sleeve is provided with a locating cap, and at least one locating sleeve sealing ring is sleeved on the locating sleeve; a rotary fulcrum shaft is movably arranged in the positioning sleeve, and at least one rotary fulcrum shaft sealing ring is arranged between the rotary fulcrum shaft and the positioning sleeve; the inner end of the rotating fulcrum shaft extends out of the positioning sleeve and is provided with a limiting cap, the outer end of the rotating fulcrum shaft extends out of the positioning sleeve and is provided with a compression nut with a handle through threads, and a pre-tightening spring is arranged between the compression nut and the positioning sleeve; the scraping sheet is arranged at the inner end of the rotary fulcrum shaft through the scraping bracket.

As a preferable scheme, in the window scraping device, the pretension spring is specifically arranged in a manner that: the outer end of the positioning sleeve is provided with a spring mounting hole with an upward opening, and the pre-tightening spring is sleeved on the outer end of the rotating fulcrum shaft and arranged in the spring mounting hole, so that two ends of the pre-tightening spring sleeve are respectively pressed on the bottom walls of the compression nut and the spring mounting hole.

As a preferable scheme, in the window scraping device, a lateral surface of the compression nut is further provided with a transverse threaded hole communicated with a longitudinal threaded hole located in the center of the compression nut, the rotating fulcrum shaft is provided with a pre-tightening positioning hole corresponding to the transverse threaded hole, a set screw is arranged in the transverse threaded hole, and the inner end of the set screw extends into the pre-tightening positioning hole.

Preferably, in the window scraping device, the handle is arranged obliquely outward from inside so that the outer end of the handle is far away from the window.

Preferably, in the window scraping device, the scraping holder is arranged on a limiting cap at the inner end of the rotating fulcrum shaft.

The utility model has the advantages that: the utility model can realize sealing between at least one locating sleeve sealing ring and the window, thereby effectively preventing leakage; the position of the scraping sheet is automatically adjusted through the pre-tightening spring, so that the scraping sheet is tightly attached to the window, and the window is scraped cleanly. In addition, a transverse threaded hole communicated with a longitudinal threaded hole in the center of the compression nut is formed in the side face of the compression nut, a pre-tightening positioning hole corresponding to the transverse threaded hole is formed in the rotary fulcrum shaft, a set screw is arranged in the transverse threaded hole, the inner end of the set screw extends into the pre-tightening positioning hole, the relative position of the compression nut and the rotary fulcrum shaft is fixed, and the whole window scraping device is stable in work.

Drawings

Fig. 1 is a schematic cross-sectional view of a window scraping device according to the present invention.

The reference numerals in fig. 1 are respectively: 1. the device comprises a window, 2, a positioning sleeve, 21, a positioning cap, 22, a spring mounting hole, 23, a first positioning sleeve sealing ring, 24, a second positioning sleeve sealing pattern, 3, a rotating fulcrum shaft, 31, a limiting cap, 32, a thread section, 33, a rotating fulcrum shaft sealing ring, 34, a scraping support, 4, a compression nut, 41, a handle, 5, a pre-tightening spring, 6, a fastening nut, 7, a set screw, 9 and a scraping sheet.

Detailed Description

A detailed embodiment of a window scraping device according to the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1, the utility model discloses a window scraping device, include: the window cleaner comprises a scraping sheet 9, a positioning sleeve 2 with a positioning cap 21 at one end, and a first positioning sleeve sealing ring 23 and a second positioning sleeve sealing ring 24 which are sleeved on the positioning sleeve 2, wherein the first positioning sleeve sealing ring 23 is sleeved on the positioning sleeve 2, then the first positioning sleeve sealing ring 23 penetrates through the outer side of a window 1, penetrates out from the other side of the window 1, and is sleeved on the second positioning sleeve sealing ring 24, and then a fastening nut 6 is screwed on a thread section at the other end of the positioning sleeve 2 to fix the positioning sleeve 2 on the window 1 (which belongs to the conventional technology in the field and is not described herein); a rotary fulcrum 3 is movably arranged in the positioning sleeve 2, and two rotary fulcrum sealing rings 33 are arranged between the rotary fulcrum 3 and the positioning sleeve 2 to form two seals; the inner end of the rotary fulcrum shaft 3 extends out from the corresponding side of the positioning sleeve 2 and is provided with a limiting cap 31, the outer end of the rotary fulcrum shaft 3 extends out from the other side of the positioning sleeve 2 and is provided with a gland nut 4 with a handle 41 through threads, the handle 41 is arranged from inside to outside in an inclined and outward mode, the outer end of the handle 41 is far away from the window 1, a pre-tightening spring 5 is arranged between the gland nut 4 and the positioning sleeve 2, and the specific setting mode of the pre-tightening spring 5 is as follows: the outer end of the positioning sleeve 2 is provided with a spring mounting hole 22 with an upward opening, the pre-tightening spring 5 is sleeved on the outer end of the rotating fulcrum shaft 3 and is arranged in the spring mounting hole 22, so that one end of the pre-tightening spring sleeve 5 is pressed against the compression nut 4, and the other end of the pre-tightening spring sleeve is pressed against the bottom wall of the spring mounting hole 22; the scraping blade 9 is provided on the stopper cap 31 at the inner end of the rotary fulcrum shaft 3 via a scraping holder 34.

In practical application, the lateral surface of the compression nut 4 is further provided with a transverse threaded hole communicated with a longitudinal threaded hole in the center of the compression nut 4, the rotating fulcrum shaft 3 is provided with a pre-tightening positioning hole corresponding to the transverse threaded hole, a set screw 7 is arranged in the transverse threaded hole, and the inner end of the set screw 7 extends into the pre-tightening positioning hole.

The utility model discloses a working process does: the rotating handle 41 drives the compression nut 4 and the rotating fulcrum shaft 3 to rotate together, the rotating fulcrum shaft 3 drives the scraping sheet 9 to rotate together through the scraping sheet support 34, the window 1 is scraped, and in the whole action process, all movement fit gaps are sealed by sealing pieces, so that the sealing performance inside is guaranteed. After a certain period of use, when the wiper blade 9 becomes thin due to corrosion or abrasion, the preload spring 5 adjusts the position of the rotary fulcrum shaft 3 relative to the window 1 by releasing the amount of deformation of the pre-compression, so that the wiper blade 9 is always in close contact with the window 1.

In summary, the present invention is only a preferred embodiment, and is not intended to limit the scope of the present invention, and all equivalent changes and modifications made by the shapes, structures, features and spirit of the claims of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A window scraping device comprising: the scraping sheet is characterized in that: the window scraping device further comprises: one end of the positioning sleeve is provided with a positioning cap, at least one positioning sleeve sealing ring is sleeved on the positioning sleeve, and the other end of the positioning sleeve is provided with a fastening nut through threads; a rotary fulcrum shaft is movably arranged in the positioning sleeve, and at least one rotary fulcrum shaft sealing ring is arranged between the rotary fulcrum shaft and the positioning sleeve; the inner end of the rotating fulcrum shaft extends out of the positioning sleeve and is provided with a limiting cap, the outer end of the rotating fulcrum shaft extends out of the positioning sleeve and is provided with a compression nut with a handle through threads, and a pre-tightening spring is arranged between the compression nut and the positioning sleeve; the scraping sheet is arranged at the inner end of the rotary fulcrum shaft through the scraping bracket.

2. The window scraping apparatus of claim 1, wherein: the specific setting mode of the pre-tightening spring is as follows: the outer end of the positioning sleeve is provided with a spring mounting hole with an upward opening, and the pre-tightening spring is sleeved on the outer end of the rotating fulcrum shaft and arranged in the spring mounting hole, so that two ends of the pre-tightening spring sleeve are respectively pressed on the bottom walls of the compression nut and the spring mounting hole.

3. The window scraping apparatus of claim 1, wherein: the lateral surface of the compression nut is also provided with a transverse threaded hole communicated with a longitudinal threaded hole positioned in the center of the compression nut, the rotating fulcrum shaft is provided with a pre-tightening positioning hole corresponding to the transverse threaded hole, a set screw is arranged in the transverse threaded hole, and the inner end of the set screw extends into the pre-tightening positioning hole.

4. The window scraping apparatus of claim 1, wherein: the handle is arranged from inside to outside in an inclined mode, so that the outer end of the handle is far away from the window.

5. Window scraping device according to any of the claims 1-4, wherein: the scraping bracket is arranged on a limiting cap at the inner end of the rotating fulcrum shaft.