CN218023621U

CN218023621U - Adjustable parallel comb type lower carrier roller

Info

Publication number: CN218023621U
Application number: CN202222184059.3U
Authority: CN
Inventors: 钱伟
Original assignee: CHANGZHOU DRIVING TRANSP MACHI
Current assignee: CHANGZHOU DRIVING TRANSP MACHI
Priority date: 2022-08-18
Filing date: 2022-08-18
Publication date: 2022-12-13
Anticipated expiration: 2032-08-18

Abstract

The utility model relates to a bearing roller technical field especially relates to a parallel comb type snub pulley with adjustable, include: the roller comprises a roller body, a rubber pad and a locking mechanism, wherein the locking mechanism comprises a fixed sleeve and a movable sleeve, the roller body is movably connected with the movable sleeve, and the fixed sleeve is connected with the movable sleeve through a connecting part; the movable sleeve comprises an inner sleeve and an outer sleeve, first threaded parts which are matched with each other are respectively arranged on the inner sleeve and the outer sleeve, a propping ring is arranged on the surface of the end part of the inner sleeve facing the rubber pad, and the propping ring is movably connected with the rubber pad; through outer sleeve and the inner skleeve that is the spiro union with the setting of movable sleeve to including the tip activity of telescopic setting to support the circle, rotate the outer sleeve and can change the relative position between inner skleeve and the outer sleeve, under the transmission effect that supports the circle, adjust the rubber pad and receive the packing force, under the fixed sleeve of rubber pad both sides and movable sleeve's injecing, make the rubber pad position fixed completely, avoid because the conveyer belt drives the phenomenon that the offset appears, the practicality is high.

Description

Adjustable parallel comb type lower carrier roller

Technical Field

The utility model relates to a bearing roller technical field especially relates to a parallel comb type snub pulley with adjustable.

Background

The carrier roller is an important part in the belt conveyor, is used for supporting the weight of a conveying belt and materials, generally comprises steel and plastics, has high cost in the belt conveyor, prolongs the service life of the carrier roller and has high economic value.

In the correlation technique, as the casting glue type that utility model patent publication No. CN204568699U disclosed cleans the bearing roller, directly casts the rubber circle in the roll body surface for be connected between rubber and the roll body more firmly, effectively prevent rotation between rubber circle and the roll body and drop, remove the installation from and keep off the ring, but it does not solve the technical problem that the packing force between the rubber pad of roll body surface offset position and the rubber pad can't be adjusted because of the drive of conveyer belt.

The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art that is known to a person skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: the adjustable parallel comb type lower carrier roller realizes the fixation of the position of the rubber pad and the adjustment of pressing force.

In order to achieve the above purpose, the utility model adopts the technical scheme that: an adjustable parallel comb idlers comprising: the roller comprises a roller body, a rubber pad sleeved on the roller body and a locking mechanism arranged on the surface of one side of the roller body, wherein the locking mechanism comprises a fixed sleeve and a movable sleeve, the roller body is movably connected with the movable sleeve, and the fixed sleeve is connected with the movable sleeve through a connecting part;

the movable sleeve comprises an inner sleeve and an outer sleeve, first threaded parts which are matched with each other are arranged on the inner sleeve and the outer sleeve respectively, a supporting ring is arranged on the surface of the end part, facing the rubber pad, of the inner sleeve, and the supporting ring is movably connected with the rubber pad.

Further, the inner sleeve diameter is less than the outer sleeve diameter, the inner sleeve deviates from the free end of outer sleeve forms the step portion, the step portion diameter is greater than the outer sleeve diameter.

Further, the diameter of the connecting part is smaller than that of the fixing sleeve.

Furthermore, a moving cavity with an opening facing the movable sleeve is formed in the fixed sleeve, and the end part of the connecting part extends into the moving cavity from the opening.

Furthermore, the end part of the connecting part is also provided with a retaining ring, and the opening position of the movable cavity is axially contracted to form a blocking part so as to limit the retaining ring in the movable cavity.

Furthermore, the side surface of the outer shaft of the abutting ring and the side surface of the inner shaft of the moving cavity are respectively provided with a second threaded part which are matched with each other.

Furthermore, an elastic piece is arranged in the moving cavity, one end of the elastic piece abuts against the end part of the fixed sleeve, and the other end of the elastic piece abuts against the abutting ring.

Further, the two end portions of the roller body are provided with fixing rods and a hanging bracket, the fixing rods and the roller body are coaxially arranged, one end of each fixing rod is fixed at the end portion of the roller body, and the other end of each fixing rod is connected with the hanging bracket.

Further, the hanger comprises a supporting part and a connecting part, the supporting part is of a C-shaped structure, and two ends of the connecting part are respectively connected with the supporting part and the fixing rod.

Further, the connecting portion and the supporting portion are fixedly connected through a bolt.

The utility model has the advantages that: the utility model discloses a set up locking mechanism and prescribe a limit to the position of rubber pad on roll body outside surface, through setting up the outer sleeve and the inner skleeve that are the spiro union with the movable sleeve to including telescopic tip activity sets up and supports the circle, rotate the outer sleeve and can change the relative position between inner skleeve and the outer sleeve, under the transmission effect that supports the circle, adjust the rubber pad and receive the packing force, under the fixed sleeve of rubber pad both sides and movable sleeve's prescribe a limit to, make the rubber pad position completely fixed, avoid because the conveyer belt drives the phenomenon that the skew appears, the practicality is high.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a front view of an adjustable parallel comb type lower carrier roller in the embodiment of the present invention;

fig. 2 is a top view of a locking mechanism in an embodiment of the present invention;

fig. 3 is a schematic view of an extreme position of the locking mechanism in an embodiment of the present invention;

fig. 4 is a schematic view of another limit position of the locking mechanism in the embodiment of the present invention.

Reference numerals: 01. a roller body; 01a, a fixing rod; 02. a rubber pad; 10. a locking mechanism; 11. fixing the sleeve; 11a, a second threaded portion; 111. a moving chamber; 111a, an elastic member; 112. a blocking portion; 12. a movable sleeve; 12a, a first threaded portion; 121. an inner sleeve; 121a, a ring support; 121b, a step portion; 122. an outer sleeve; 13. a connecting portion; 13a, a retaining ring; 20. a hanger; 21. a support portion; 22. a connecting portion.

Detailed Description

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

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The adjustable parallel comb type lower idler as shown in fig. 1 to 4 comprises:

the roller comprises a roller body 01, a rubber pad 02 sleeved on the roller body 01 and a locking mechanism 10 arranged on the surface of one side of the roller body 01, wherein the locking mechanism 10 comprises a fixed sleeve 11 and a movable sleeve 12, the roller body 01 is movably connected with the movable sleeve 12, and the fixed sleeve 11 is connected with the movable sleeve 12 through a connecting part 2213;

wherein, the movable sleeve 12 comprises an inner sleeve 121 and an outer sleeve 122, the inner sleeve 121 and the outer sleeve 122 are respectively provided with a first threaded part 12a which is matched with each other, the end surface of the inner sleeve 121 facing the rubber pad 02 is provided with an abutting ring 121a, and the abutting ring 121a is movably connected with the rubber pad 02; rotating the outer sleeve 122 changes the relative position between the outer sleeve 122 and the inner sleeve 121, thereby restricting the relative position of the rubber pad 02 and the roller body 01.

The position of rubber pad 02 is limited by arranging locking mechanism 10 on the outer side surface of roller body 01, movable sleeve 12 is provided with outer sleeve 122 and inner sleeve 121 which are in threaded connection, and the end of inner sleeve 121 is movably provided with abutting ring 121a, the relative position between inner sleeve 121 and outer sleeve 122 can be changed by rotating outer sleeve 122, rubber pad 02 is adjusted to receive pressing force under the transmission action of abutting ring 121a, rubber pad 02 is completely fixed under the limitation of fixed sleeve 11 and movable sleeve 12 on two sides of rubber pad 02, the phenomenon of position deviation caused by the driving of a conveyor belt is avoided, and the practicability is high.

It should be noted here that the fixing mechanism may be fixedly connected to the surface of the roller body 01 by a fixing pin or the like, after installation, the relative position with the roller body 01 does not move with the movable sleeve 12, the fixed sleeve 11 is connected to the movable sleeve 12 by a connecting portion 2213, when the relative position of the outer sleeve 122 and the inner sleeve 121 changes, if the position of the rubber pad 02 needs to be adjusted, the relative position between the connecting portion 2213 and the fixed sleeve 11 is not changed, the inner sleeve 121 moves with the position of the rubber pad 02, and when the pressing force between the rubber pads 02 needs to be adjusted, the relative position between the connecting portion 2213 and the fixed sleeve 11 changes to transmit the pressing force to the abutting ring 121 a; in addition, the locking mechanism 10 is not limited to the surface of the roller body 01 on the side of the rubber pads 02, and may be located between two rubber pads 02 to adaptively adjust the pressing force between different rubber pads 02.

Specifically, the diameter of inner sleeve 121 is smaller than that of outer sleeve 122, a free end of inner sleeve 121 facing away from outer sleeve 122 forms a step 121b, and the diameter of step 121b is larger than that of outer sleeve 122; the position of the first thread part 12a does not exceed the position of the step part 121b, the travel of the inner sleeve 121 and the outer sleeve 122 is limited, and the position of the rubber pad 02 is limited by the self-locking structure of the first thread part 12 a.

Preferably, the diameter of the connecting portion 2213 is smaller than that of the fixing sleeve 11, so that the connecting portion 2213 can extend into the fixing sleeve 11 to form a stable connecting structure.

Specifically, the fixed sleeve 11 has a moving cavity 111 with an opening facing the movable sleeve 12, and the end of the connecting portion 2213 extends into the moving cavity 111 from the opening; by changing the relative position of the connecting portion 2213 and the one in the moving chamber 111, the adjustment range of the pressing force of the rubber pad 02 is limited, wherein the length of the moving chamber 111 does not exceed the length of the connecting portion 2213, and the limit position is reached when the end of the inner sleeve 121 is brought into close proximity with the end of the fixed sleeve 11.

Specifically, the end of the connecting portion 2213 is further provided with a retaining ring 13a, the opening position of the movable cavity 111 is axially contracted to form a blocking portion 112, and the retaining ring 13a is limited in the movable cavity 111, so that the connection relationship between the connecting portion 2213 and the movable cavity 111 is ensured, the connecting portion 2213 is prevented from being separated from the movable cavity 111, and the use safety of the carrier roller is ensured.

When the pressing force of the rubber pad 02 needs to be adjusted, the outer sleeve 122 is rotated, the relative position between the inner sleeve 121 and the outer sleeve 122 is changed under the action of the first thread portion 12a, and meanwhile, under the action of the second thread portion 11a, the pressing ring 13a drives the connecting portion 2213 to move, so that the relative position between the movable sleeve 12 and the fixed sleeve 11 is changed, the pressing force applied to the rubber pad 02 by the pressing ring 121a is changed, and the effect of adjusting the pressing force is achieved.

Furthermore, an elastic member 111a is arranged in the moving cavity 111, one end of the elastic member 111a abuts against the end of the fixed sleeve 11, and the other end abuts against the abutting ring 13a, and the elastic member 111a changes the compression amount along with the movement of the abutting ring 13a in the moving cavity 111, and transmits the compression amount to the continuous and stable elastic force of the abutting ring 13a, so that the abutting ring 13a receives an opposite acting force, and the connection stability of the second thread part 11a is ensured.

Specifically, two end parts of the roller body 01 are provided with a fixing rod 01a and a hanger 20, the fixing rod 01a and the roller body 01 are coaxially arranged, one end of the fixing rod is fixed at the end part of the roller body 01, and the other end of the fixing rod is connected with the hanger 20; avoid roll body 01 and gallows 20 lug connection, when rubber pad 02 and roll body 01 produced the rotation each other for rubber pad 02 produces wearing and tearing.

Preferably, the hanger 20 includes a support portion 21 and a connecting portion 2213, the support portion 21 is of a "C" type structure, two ends of the connecting portion 2213 are respectively connected to the support portion 21 and the fixing rod 01a, one end of the connecting portion 2213 forms a right-angle structure, and is conveniently connected to the bottom of the support portion 21, the connecting manner can be fixed by means of a bolt fitted gasket, the other end of the connecting portion 2213 forms a circular groove for the fixing rod 01a to be connected to the support portion 21, and it is ensured that the axis of the fixing rod 01a is perpendicular to the support portion 21, so as to ensure the straightness of installation.

It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a parallel comb type snub pulley with adjustable which characterized in that includes: the roller comprises a roller body, a rubber pad sleeved on the roller body and a locking mechanism arranged on the surface of one side of the roller body, wherein the locking mechanism comprises a fixed sleeve and a movable sleeve, the roller body is movably connected with the movable sleeve, and the fixed sleeve is connected with the movable sleeve through a connecting part;

the movable sleeve comprises an inner sleeve and an outer sleeve, first threaded portions which are matched with each other are arranged on the inner sleeve and the outer sleeve respectively, the inner sleeve faces the end portion surface of the rubber pad and is provided with a supporting ring, and the supporting ring is movably connected with the rubber pad.

2. The adjustable parallel comb idlers of claim 1, wherein the inner sleeve diameter is less than the outer sleeve diameter, and a free end of the inner sleeve facing away from the outer sleeve forms a step, the step diameter being greater than the outer sleeve diameter.

3. The adjustable parallel comb idler of claim 1, wherein the diameter of the connecting portion is less than the diameter of the fixed sleeve.

4. The adjustable parallel comb idlers of claim 3, wherein the fixed sleeve has a moving chamber therein which is open toward the movable sleeve, and the end of the connecting portion extends into the moving chamber from the opening.

5. The adjustable parallel comb-type lower idler roller according to claim 4, wherein an abutting ring is further provided at an end of the connecting portion, and an opening of the moving cavity is axially contracted to form a blocking portion to limit the abutting ring in the moving cavity.

6. The adjustable parallel comb-type lower idler roll according to claim 5, wherein the outer shaft side surface of the retaining ring and the inner shaft side surface of the moving cavity are respectively provided with second screw thread portions which are matched with each other.

7. The adjustable parallel comb-type snub pulley according to claim 6, wherein an elastic member is disposed in the moving cavity, one end of the elastic member abuts against an end of the fixed sleeve, and the other end of the elastic member abuts against the abutting ring.

8. The adjustable parallel comb-type lower idler as claimed in claim 1, wherein the roller body is provided at both ends thereof with fixing rods and a hanger, the fixing rods are coaxially provided with the roller body, one end is fixed at the end of the roller body, and the other end is connected with the hanger.

9. The adjustable parallel comb-type lower idler as claimed in claim 8, wherein the hanger includes a support portion and a connecting portion, the support portion is of a "C" type structure, and both ends of the connecting portion are respectively connected with the support portion and the fixing rod.

10. The adjustable parallel comb-type idlers of claim 9, wherein the connecting portion and the support portion are fixedly connected by bolts.