CN113509085A

CN113509085A - Tight wheel carrier fixed knot that reliability is high constructs

Info

Publication number: CN113509085A
Application number: CN202010520637.9A
Authority: CN
Inventors: 朱艳菲; 陈杰
Original assignee: Suzhou Chunju Electric Co Ltd
Current assignee: Suzhou Chunju Electric Co Ltd
Priority date: 2020-06-09
Filing date: 2020-06-09
Publication date: 2021-10-19

Abstract

The invention provides a high-reliability tightening wheel frame fixing structure which comprises a winding roll support and a tightening wheel frame, wherein a winding roll is rotatably arranged on the winding roll support, an installation column is arranged on the winding roll support, the tightening wheel frame comprises a first frame body and a second frame body which are arranged in a staggered mode, two clamping parts which are symmetrically arranged are arranged at the overlapping position of the first frame body and the second frame body, through holes are formed in the clamping parts, two ends of the installation column are sleeved in the through holes of the two clamping parts, a tightening wheel is arranged at the free end of the first frame body, and the free end of the second frame body is elastically connected to the winding roll support through a first spring. The fastening wheel frame fixing structure with high reliability, provided by the invention, has the advantages that the fastening wheel frame is fixed by clamping the clamping part with the mounting column of the winding roll bracket, the installation is firm, the process is simplified, and the cost is reduced.

Description

Tight wheel carrier fixed knot that reliability is high constructs

Technical Field

The invention relates to the field of winding up of dust collectors, in particular to a fastening wheel frame fixing structure with high reliability.

Background

In electric appliances such as a vacuum cleaner, a power cord portion is generally stored in a cord reel. At present, the conventional winder design utilizes the compressed elastic force of a coil spring to rotate a winding roll, so as to achieve the wire winding effect of a power line. The tightening wheel frame is a common component matched with the winding roll for use, and the tightening wheel frame mainly plays a role in braking the winding roll so that the winding roll cannot rotate to take up the wire.

As shown in fig. 1, a pinch roller frame 1b in the prior art is rotatably mounted on a take-up reel holder 1c, and the pinch roller frame 1b is fixed by a screw 1 a. However, the tightening wheel frame 1b is fixed by the screw 1a, the process is somewhat complicated, the screw 1a is easy to thread, and the tightening wheel frame 1b is loose after the screw 1a threads, which affects the braking effect of the tightening wheel 1d on the tightening wheel frame 1b on the winding roll.

Disclosure of Invention

In view of this, the invention provides a fastening wheel frame fixing structure with high reliability, and solves the problems that screws are easy to slip and the fixing effect is poor when the fastening wheel frame is fixed by the screws.

Therefore, the invention provides a high-reliability tightening wheel frame fixing structure which comprises a winding roll support and a tightening wheel frame, wherein a winding roll is rotatably arranged on the winding roll support, an installation column is arranged on the winding roll support, the tightening wheel frame comprises a first frame body and a second frame body which are arranged in a staggered mode, two clamping parts which are symmetrically arranged are arranged at the overlapping position of the first frame body and the second frame body, through holes are formed in the clamping parts, two ends of the installation column are sleeved in the through holes of the two clamping parts, a tightening wheel is arranged at the free end of the first frame body, and the free end of the second frame body is elastically connected to the winding roll support through a first spring.

Further, a first limiting plate is arranged below the second frame body and perpendicular to the second frame body.

Further, a second spring is arranged below the first limiting plate and parallel to the first spring.

Further, the end of the mounting post is provided with two first cutting faces which are arranged symmetrically in the horizontal direction and inclined.

Furthermore, the bottom of the clamping portion is provided with a second cutting surface corresponding to the first cutting surface.

Further, a plurality of grooves are formed in the first frame body.

Further, a second limiting plate is arranged on the winding roll support.

The invention provides a high-reliability tightening wheel frame fixing structure. The tight wheel frame bilateral symmetry's joint portion cover is established on the erection column for the tight wheel frame is rotatable to be installed on the take-up reel support, and the tight wheel of the first support body free end of tight wheel frame uses the erection column to rotate down as the axial, forms the suppression effect to the take-up reel, and the tight wheel is guaranteed to the first spring of second support body closely to laminate the take-up reel. The winding roll support above the first support body is provided with a second limiting plate for limiting the upward rotating angle of the first support body. Still be provided with a plurality of recesses on the first support body and alleviate self weight. Tight wheel carrier passes through rotatable the installing on the erection column of take-up reel support of installing of joint portion, and the mounting structure of simplifying has avoided adopting the smooth tooth problem that screw fixation can appear, avoids tight wheel carrier installation not firm problem, and the reliability is high.

The fastening wheel frame fixing structure with high reliability, provided by the invention, has the advantages that the fastening wheel frame is fixed by clamping the clamping part with the mounting column of the winding roll bracket, the installation is firm, the process is simplified, and the cost is reduced.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

FIG. 1 is a schematic view of a conventional tensioner frame mounting structure;

fig. 2 is a structural exploded view of a fastening wheel frame fixing structure with high reliability according to an embodiment of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

fig. 4 is a first structural schematic diagram of a fastening wheel frame fixing structure with high reliability according to an embodiment of the present invention;

fig. 5 is a structural schematic diagram of a fastening wheel frame fixing structure with high reliability according to an embodiment of the present invention;

FIG. 6 is a partial enlarged view of FIG. 5 at B;

fig. 7 is a schematic structural view of a side of a second frame body in the fastening wheel frame fixing structure with high reliability according to the embodiment of the invention.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be 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.

The first embodiment is as follows:

referring to fig. 2 to 7, a fastening wheel frame fixing structure with high reliability according to a first embodiment of the present invention is shown, and includes a winding roll support 1 and a fastening wheel frame 2, a winding roll is rotatably mounted on the winding roll support 1, a mounting post 11 is disposed on the winding roll support 1, the fastening wheel frame 2 includes a first frame body 21 and a second frame body 22 which are disposed in a staggered manner, two symmetrically disposed clamping portions 23 are disposed at an overlapping position of the first frame body 21 and the second frame body 22, through holes 231 are disposed on the clamping portions 23, two ends of the mounting post 11 are sleeved in the through holes 231 of the two clamping portions 23, a fastening wheel 3 is disposed at a free end of the first frame body 21, and a free end of the second frame body 22 is elastically connected to the winding roll support 1 through a first spring 4.

Specifically, referring to fig. 2 to 7, a plurality of grooves 211 are formed on the first frame body 21.

Specifically, referring to fig. 2 to 7, the spool support 1 is provided with a second limiting plate 12.

Example two:

referring to fig. 2 to fig. 7, a fastening wheel frame fixing structure with high reliability provided by a second embodiment of the present invention is shown, and the present embodiment further makes the following technical solutions as improvements on the basis of the above embodiment: a first limit plate 24 is arranged below the second frame body 22, and the first limit plate 24 is vertical to the second frame body 22; a second spring 5 is arranged below the first limit plate 24, and the second spring 5 is parallel to the first spring 4.

The first limiting plate side of second support body below supports on the take-up reel support, restricts tight wheel carrier horizontal hunting, and first limiting plate below is provided with the second spring simultaneously, and supplementary first spring makes tight round pressure on the take-up reel surface, improves the suppression ability of tight round suppression.

Example three:

referring to fig. 2 to fig. 7, a fastening wheel frame fixing structure with high reliability provided by a third embodiment of the present invention is shown, and the present embodiment further makes the following technical solutions as improvements on the basis of the above embodiment: the end of the mounting column 11 is provided with two inclined first cutting surfaces 111 which are symmetrically arranged along the horizontal direction; the bottom of the clamping portion 23 is provided with a second cutting surface 232 corresponding to the first cutting surface 111.

The first cutting surfaces at the upper parts of the two ends of the mounting column are matched with the second cutting surfaces at the bottom of the clamping part, so that the tightening wheel frame is conveniently clamped on the winding roll bracket; the first cutting plane of the lower part at the two ends of the mounting column is matched with the second cutting plane at the bottom of the clamping part, so that the tight wheel frame is convenient to disassemble.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A fastening wheel frame fixing structure with high reliability is characterized by comprising a winding roll bracket (1) and a fastening wheel frame (2), wherein a winding roll is rotatably arranged on the winding roll bracket (1), the winding roll bracket (1) is provided with a mounting column (11), the tight wheel frame (2) comprises a first frame body (21) and a second frame body (22) which are arranged in a staggered manner, two clamping parts (23) which are symmetrically arranged are arranged at the overlapping position of the first frame body (21) and the second frame body (22), the clamping parts (23) are provided with through holes (231), the two ends of the mounting column (11) are sleeved in the through holes (231) of the two clamping parts (23), the free end of the first frame body (21) is provided with a tight pulley (3), and the free end of the second frame body (22) is elastically connected to the winding roll support (1) through a first spring (4).

2. The tightening wheel carrier fixing structure with high reliability according to claim 1, wherein a first limiting plate (24) is arranged below the second carrier body (22), and the first limiting plate (24) is perpendicular to the second carrier body (22).

3. The wheel tightening frame fixing structure with high reliability according to claim 2, wherein a second spring (5) is arranged below the first limit plate (24), and the second spring (5) is parallel to the first spring (4).

4. The wheel clamping frame fixing structure with high reliability according to claim 1, wherein the end of the mounting column (11) is provided with two first cutting surfaces (111) which are symmetrically arranged along the horizontal direction and are inclined.

5. The wheel tightening frame fixing structure with high reliability as claimed in claim 1 or 4, wherein a second cut surface (232) corresponding to the first cut surface (111) is provided at the bottom of the clamping portion (23).

6. The wheel clamping frame fixing structure with high reliability as claimed in claim 1, wherein a plurality of grooves (211) are provided on the first frame body (21).

7. The wheel tightening frame fixing structure with high reliability according to claim 1, wherein the spool support (1) is provided with a second limiting plate (12).