CN216335889U

CN216335889U - Dustproof guide wheel

Info

Publication number: CN216335889U
Application number: CN202122523186.7U
Authority: CN
Inventors: 温昌运
Original assignee: Foshan Ruimin Mechanical Equipment Co ltd
Current assignee: Foshan Ruimin Mechanical Equipment Co ltd
Priority date: 2021-10-20
Filing date: 2021-10-20
Publication date: 2022-04-19
Anticipated expiration: 2031-10-20

Abstract

The utility model relates to the technical field of guide wheels, and discloses a dustproof guide wheel which comprises a guide wheel, wherein a rotating shaft is installed at the top of the guide wheel, a dustproof cover is arranged outside the rotating shaft, a sleeve is arranged in the middle of the dustproof cover, the dustproof cover is sleeved on the outer wall of the rotating shaft, the bottom of the dustproof cover is in contact with the top of the guide wheel, a rotating hole is formed in the top of the guide wheel, the bottom of the rotating shaft is rotatably connected with the inner wall of the rotating hole, a clamp spring and a bearing are installed inside the rotating hole, the clamp spring is installed on the inner wall of the rotating hole, and the bearing is installed in a gap between the rotating shaft and the clamp spring. According to the utility model, the dust cover is arranged outside the rotating shaft, and the bottom of the dust cover is in contact with the top of the guide wheel, so that when the guide wheel is used, external dust cannot enter the rotating hole, the guide wheel can rotate at the bottom of the rotating shaft smoothly all the time, and normal operation is ensured.

Description

Dustproof guide wheel

Technical Field

The utility model relates to the technical field of guide wheels, in particular to a dustproof guide wheel.

Background

The guide wheel is used for guiding the direction of a soft pipeline or soft linear objects such as steel wires, nylon ropes and the like in the moving process. The guide wheel is provided with a pulley structure, and the guide wheel can play a role in saving power in certain projects or products. The guide wheel accessory is an important part of the electric shovel walking system, and the performance of the guide wheel accessory plays a decisive role in the stability and the safety and reliability of the whole electric shovel walking system. The guide wheel plays a role of tensioning the track in the walking system, so the guide wheel is also called a tensioning wheel and a tensioning wheel. The tightness of the crawler belt can be effectively adjusted, and the walking stability and high efficiency of the electric shovel are effectively realized.

The leading wheel of prior art does not possess dirt-proof effect, and after using for a long time, the dust can be stayed in the pivot of leading wheel and the commentaries on classics downthehole, leads to the leading wheel not smooth and easy when the pivoted, influences normal production.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the utility model provides a dustproof guide wheel.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a dustproof guide wheel comprises a guide wheel, wherein a rotating shaft is mounted at the top of the guide wheel, and a dustproof cover is arranged outside the rotating shaft;

the dust cover is sleeved on the outer wall of the rotating shaft, and the bottom of the dust cover is in contact with the top of the guide wheel.

Furthermore, the top of leading wheel has seted up changes the hole, the bottom of pivot is connected with the inner wall rotation in changeing the hole, and the leading wheel can be in the bottom free rotation of pivot.

Further, the internally mounted who changes the hole has jump ring and bearing, the jump ring is installed at the inner wall that changes the hole, the bearing is installed in the gap between pivot and jump ring, makes the pivot can rotate through setting up jump ring and bearing to let the pivot can not break away from with the leading wheel.

Further, the top outer wall of pivot is provided with the screw thread, the top of pivot is provided with two nuts and gasket, the gasket sets up between two nuts, and two nuts make the pivot can be installed on the support through setting up nut and gasket with the top threaded connection of pivot.

Further, the middle part of dust cover is provided with the sleeve, sleeve and dust cover integrated into one piece set up, thereby sleeve and the outer wall sliding connection of pivot break away from dust cover and pivot through setting up the sleeve convenience.

Furthermore, the sleeve and the dust cover are made of plastics, so that the dust cover has certain toughness.

Further, be connected with the retaining ring around the top of leading wheel, it holds the chamber to form between the top of retaining ring and leading wheel, the embedding holds the inside in chamber around the dust cover, the top of dust cover is connected with the joint circle, the top of joint circle and the inner wall top contact that holds the chamber, the top of retaining ring is provided with the inclined plane, through setting up the retaining ring to can hold and hold the intracavity around letting the dust cover, thereby further let outside dust can not enter into and change the downthehole, guarantee the normal operating of leading wheel.

Compared with the prior art, the utility model provides a dustproof guide wheel which has the following beneficial effects:

1. according to the utility model, the dust cover is arranged outside the rotating shaft, and the bottom of the dust cover is in contact with the top of the guide wheel, so that when the guide wheel is used, external dust cannot enter the rotating hole, the guide wheel can rotate at the bottom of the rotating shaft smoothly all the time, and normal operation is ensured.

2. According to the dustproof cover, the sleeve is arranged in the middle of the dustproof cover, so that the dustproof cover can be conveniently taken, the check ring is arranged at the top of the guide wheel, the accommodating cavity is formed between the check ring and the guide wheel, the dustproof cover can be clamped in the accommodating cavity when the dustproof cover is installed, and the dustproof effect is further improved.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a front cross-sectional view of the present invention;

FIG. 4 is an enlarged view of A in FIG. 3 according to the present invention.

In the figure: 101 guide wheels, 102 rotary holes, 103 rotary shafts, 104 clamp springs, 105 bearings, 106 nuts, 107 gaskets, 201 dust covers, 202 sleeves, 203 retainer rings, 204 accommodating cavities, 205 inclined surfaces and 206 clamping rings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1 to 4, the dustproof guide wheel of the present embodiment includes a guide wheel 101, a rotating shaft 103 is installed on the top of the guide wheel 101, a dustproof cover 201 is disposed outside the rotating shaft 103, the dustproof cover 201 is disposed outside the rotating shaft 103, and the bottom of the dustproof cover 201 contacts with the top of the guide wheel 101, so that when the guide wheel 101 is in use, external dust does not enter the inside of the rotating hole 102, and the guide wheel 101 can always smoothly rotate at the bottom of the rotating shaft 103, thereby ensuring normal operation;

the dust cover 201 is sleeved on the outer wall of the rotating shaft 103, and the bottom of the dust cover 201 is in contact with the top of the guide wheel 101.

The top of leading wheel 101 is seted up and is changeed hole 102, and the bottom of pivot 103 rotates with the inner wall of changeing hole 102 and is connected, and leading wheel 101 can freely rotate in the bottom of pivot 103.

The inside of the rotating hole 102 is provided with a clamp spring 104 and a bearing 105, the clamp spring 104 is arranged on the inner wall of the rotating hole 102, the bearing 105 is arranged in a gap between the rotating shaft 103 and the clamp spring 104, the rotating shaft 103 can rotate by arranging the clamp spring 104 and the bearing 105, and the rotating shaft 103 cannot be separated from the guide wheel 101.

The outer wall of the top of the rotating shaft 103 is provided with threads, the top of the rotating shaft 103 is provided with two nuts 106 and a gasket 107, the gasket 107 is arranged between the two nuts 106, the two nuts 106 are in threaded connection with the top of the rotating shaft 103, and the rotating shaft 103 can be installed on the support through the arrangement of the nuts 106 and the gasket 107.

The middle part of dust cover 201 is provided with sleeve 202, and sleeve 202 and dust cover 201 integrated into one piece set up, and sleeve 202 and the outer wall sliding connection of pivot 103, thereby conveniently break away from dust cover 201 and pivot 103 through setting up sleeve 202.

The sleeve 202 and the dust cover 201 are made of plastic, so that the dust cover 201 has certain toughness.

As another example: on the basis of the first embodiment, retaining ring 203 is connected around the top of leading wheel 101, form between the top of retaining ring 203 and leading wheel 101 and hold chamber 204, the inside that holds chamber 204 is embedded around dust cover 201, the top of dust cover 201 is connected with joint circle 206, the top of joint circle 206 and the contact of the inner wall top that holds chamber 204, the top of retaining ring 203 is provided with inclined plane 205, through setting up inclined plane 205, thereby let dust cover 201 can block the inside that further holds chamber 204, through setting up retaining ring 203, thereby let dust cover 201 can hold in holding chamber 204 around, thereby further let outside dust can not get into in the commentaries on classics hole 102, guarantee the normal operating of leading wheel 101.

When using, set up dust cover 201 in the outside of pivot 103, and the bottom of dust cover 201 and the top contact of leading wheel 101, thereby when leading wheel 101 is in the use, outside dust can not enter into the inside of commentaries on classics hole 102, thereby let leading wheel 101 can be smooth and easy all the time rotate in the bottom of pivot 103, guarantee normal operating, set up sleeve 202 at the middle part of dust cover 201, thereby make things convenient for dust cover 201 can be convenient for take, thereby set up retaining ring 203 at the top of leading wheel 101, and be formed with between retaining ring 203 and the leading wheel 101 and hold chamber 204, thereby when installation dust cover 201, can block dust cover 201 in holding chamber 204, dustproof effect has further been improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, and the scope of protection is still within the scope of the utility model.

Claims

1. A dustproof leading wheel, includes leading wheel (101), its characterized in that: a rotating shaft (103) is installed at the top of the guide wheel (101), and a dust cover (201) is arranged outside the rotating shaft (103);

the dustproof cover (201) is sleeved on the outer wall of the rotating shaft (103), and the bottom of the dustproof cover (201) is in contact with the top of the guide wheel (101);

the middle part of the dust cover (201) is in contact with the outer wall of the rotating shaft (103);

and a flange is arranged around the top of the guide wheel (101).

2. The dust-proof guide wheel according to claim 1, wherein: the top of the guide wheel (101) is provided with a rotating hole (102), and the bottom of the rotating shaft (103) is rotatably connected with the inner wall of the rotating hole (102).

3. A dust-proof guide wheel according to claim 2, wherein: the inside of commentaries on classics hole (102) is installed jump ring (104) and bearing (105), the inner wall in commentaries on classics hole (102) is installed in jump ring (104), bearing (105) are installed in the gap between pivot (103) and jump ring (104).

4. The dust-proof guide wheel according to claim 1, wherein: the outer wall of the top of the rotating shaft (103) is provided with threads, the top of the rotating shaft (103) is provided with two nuts (106) and a gasket (107), the gasket (107) is arranged between the two nuts (106), and the two nuts (106) are in threaded connection with the top of the rotating shaft (103).

5. The dust-proof guide wheel according to claim 1, wherein: the middle part of the dust cover (201) is provided with a sleeve (202), the sleeve (202) and the dust cover (201) are integrally formed, and the sleeve (202) is connected with the outer wall of the rotating shaft (103) in a sliding mode.

6. The dust-proof guide wheel according to claim 5, wherein: the sleeve (202) and the dust cover (201) are made of plastics.

7. A dust-proof guide wheel according to claim 5 or 6, wherein: be connected with retaining ring (203) around the top of leading wheel (101), form between the top of retaining ring (203) and leading wheel (101) and hold chamber (204), the inside that holds chamber (204) is embedded around dust cover (201), the top of dust cover (201) is connected with joint ring (206), the top of joint ring (206) and the inner wall top contact that holds chamber (204), the top of retaining ring (203) is provided with inclined plane (205).