CN211737936U - Novel band pulley of external diameter can finely tune - Google Patents

Abstract

The utility model relates to a relevant technical field of driving medium, and a novel can finely tune band pulley of external diameter is disclosed, including band pulley body and wheel core, the wheel core sets up the central point at band pulley body and puts, the side has all seted up installation inner ring groove about band pulley body, two the inboard of installation inner ring groove all installs two regulation section of thick bamboos about the wheel core symmetry, the interval bearing is all installed to the inner chamber of adjusting a section of thick bamboo, the inboard of adjusting a section of thick bamboo all is provided with the bispin lead screw, and the bispin lead screw runs through the inboard of corresponding interval bearing, and the both ends of bispin lead screw run through the inside wall of corresponding regulation section of thick bamboo respectively and extend to the outside of adjusting a section of thick bamboo, the equal fixedly connected with hexagon. This novel band pulley of external diameter can finely tune, the link up the outside promotion in external round adjustment layer through the connecting block, and then effectual adjusting to the band pulley external diameter, be different from traditional fixed band pulley structure, increase the application range of equipment.

Description

Novel band pulley of external diameter can finely tune

Technical Field

The utility model relates to a relevant technical field of driving medium specifically is a novel band pulley of external diameter can finely tune.

Background

The belt wheel is also called as a driving wheel, the driving wheels are general names of a plurality of mechanical parts capable of changing physical movement scale, the most important function of the belt wheel is that the driving wheels with more than two different diameters form a driving wheel set to change force or torque and rotating speed, but after the belt wheel is used for a long time, the phenomenon that the driving belt is easy to loosen is easy to occur, so that the transmission rate of a transmission mechanism is reduced, the output power of driving equipment is reduced, the installation position of the belt wheel is generally adjusted in actual production so as to achieve the tensioning purpose, but the belt wheel mechanism needs to be disassembled and assembled when the installation position is changed, the consumed time is longer, the existing belt wheel structure is generally fixed and cannot be adjusted, and therefore, the inventor designs a novel belt wheel with a fine-adjustable outer diameter so as to tension the driving.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a novel can finely tune band pulley of external diameter has solved the problem that current band pulley structure relatively fixed can not adjust.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a novel belt wheel capable of finely adjusting the outer diameter comprises a belt wheel body and a wheel core, wherein the wheel core is arranged at the central position of the belt wheel body, the left side surface and the right side surface of the belt wheel body are respectively provided with an installation inner ring groove, the inner sides of the two installation inner ring grooves are respectively provided with two adjusting cylinders symmetrically about the wheel core, the inner cavities of the adjusting cylinders are respectively provided with a spacing bearing, the inner sides of the adjusting cylinders are respectively provided with a double-screw rod, the double-screw rod penetrates through the inner sides of the corresponding spacing bearings, the two ends of the double-screw rod respectively penetrate through the inner side walls of the corresponding adjusting cylinders and extend to the outer sides of the adjusting cylinders, the two ends of the double-screw rod are respectively and fixedly connected with an inner hexagonal end socket, the inner cavity part of the double-screw rod is symmetrically and threadedly connected with a movable screw sleeve about the, the annular wheel face of band pulley body sets up the intercommunication groove that is linked together with the logical groove of fine setting, and fixedly connected with links up the piece between the movable silk braid that the band pulley body left and right sides corresponds each other, and the link up the inboard that is located corresponding intercommunication groove, two links up the piece and all contact two outer wheel regulation layers with the annular wheel face of band pulley body through connecting block fixedly connected with foreign steamer regulation layer, two fixedly connected with elastic rubber strip between the foreign steamer regulation layer links up the face.

Preferably, the inner diameters of the two outer wheel adjusting layers are slightly larger than the outer diameter of the annular wheel surface of the pulley body.

Preferably, the elastic rubber strip adopts high tenacity elastic rubber strip, ensures the stable connection between two foreign steamer adjusting layers, avoids the band pulley body to produce great gap when adjusting the external diameter and influences equipment normal operating, two leave the clearance between the inside wall about foreign steamer adjusting layer and the band pulley body.

Preferably, the double-screw rod and the corresponding adjusting cylinder are matched with each other through a shaft collar, the middle part of the double-screw rod is matched with the spacing bearing and distributed into a polished rod, two sections of external threads are symmetrically arranged on the double-screw rod, and two movable screw sleeves on the double-screw rod are symmetrically arranged relative to the spacing bearing.

Preferably, two adjusting cylinders positioned on the same side are symmetrically arranged around the wheel core, and a safety distance is reserved between each adjusting cylinder and the port of the wheel core.

Preferably, the matching relationship between the connecting piece and the inner side wall of the corresponding communication groove and the inner side wall of the fine tuning through groove is clearance fit.

Preferably, the side surface of the joint of the two outer wheel adjusting layers is a round corner edge.

(III) advantageous effects

The utility model provides a novel can finely tune band pulley of external diameter. The method has the following beneficial effects:

(1) this novel band pulley of external diameter can finely tune, through setting up the band pulley body, a regulation section of thick bamboo, the bispin lead screw, the interval bearing, link up piece and foreign steamer adjustment layer mutually support, when equipment uses, need finely tune the external diameter of foreign steamer body, carry out synchronous revolution with the interior hexagonal end of band pulley body both sides, it is rotatory to make the interior hexagonal end drive corresponding bispin lead screw, the bispin lead screw drives corresponding movable silk cover and carries out the activity of carrying on back on the other hand, thereby make movable silk cover drive corresponding link up piece and move about, link up the piece outwards promotes on the external wheel adjustment layer through the connecting block, and then effectual adjusting to the band pulley external diameter, be different from traditional fixed band pulley structure, can regard as the less transmission equipment component of rotational torque, increase the application range of equipment.

(2) This novel band pulley of external diameter can finely tune mutually supports through setting up foreign steamer adjustment layer and elastic rubber strip, and when equipment uses, the foreign steamer adjustment layer is when outwards finely tuning, and the elastic rubber strip links up the transition with the linking limit of foreign steamer adjustment layer, and effectual reduction band pulley is when rotating and the transition wearing and tearing between the drive belt, the stability of guarantee equipment when using.

Drawings

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

FIG. 2 is a schematic side view of the present invention;

figure 3 is the utility model discloses the band pulley body cooperates the structure profile modeling sketch map with foreign steamer adjusting layer.

In the figure: the belt wheel comprises a belt wheel body 1, a wheel core 2, an inner ring groove 3, an adjusting cylinder 4, a double-screw rod 5, an interval bearing 6, an inner hexagonal end 7, a movable screw sleeve 8, a fine-adjustment through groove 9, a communicating groove 10, a connecting piece 11, an outer wheel adjusting layer 12 and an elastic rubber strip 13.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-3, the utility model provides a technical solution: a novel belt wheel capable of finely adjusting the outer diameter comprises a belt wheel body 1 and a wheel core 2, wherein the wheel core 2 is arranged at the central position of the belt wheel body 1, installation inner ring grooves 3 are respectively formed in the left side surface and the right side surface of the belt wheel body 1, two adjusting cylinders 4 are respectively and symmetrically arranged on the inner sides of the two installation inner ring grooves 3 relative to the wheel core 2, the two adjusting cylinders 4 positioned on the same side are symmetrically arranged relative to the wheel core 2, a safety distance is reserved between the adjusting cylinders 4 and the port of the wheel core 2, spacing bearings 6 are respectively arranged in the inner cavities of the adjusting cylinders 4, double-screw rods 5 are respectively arranged on the inner sides of the adjusting cylinders 4, the double-screw rods 5 penetrate through the inner sides of the corresponding spacing bearings 6, two ends of the double-screw rods 5 respectively penetrate through the inner side walls of the corresponding adjusting cylinders 4 and extend to the outer sides of the adjusting cylinders 4, inner hexagonal end heads 7 are fixedly connected with two ends of, the double-screw rod 5 is symmetrically and threadedly connected with movable screw sleeves 8 in the inner cavity part of the adjusting cylinder 4 relative to corresponding spacing bearings 6, the double-screw rod 5 and the corresponding adjusting cylinder 4 are mutually matched through a shaft collar, the middle part of the double-screw rod 5 and the spacing bearings 6 are matched and distributed into polished rods, two sections of external threads are symmetrically arranged on the double-screw rod 5, the two movable screw sleeves 8 on the double-screw rod 5 are symmetrically arranged relative to the spacing bearings 6, the contact part of the adjusting cylinder 4 and the side surface of the belt wheel body 1 is provided with mutually communicated fine adjusting through grooves 9, the annular wheel surface of the belt wheel body 1 is provided with a communication groove 10 communicated with the fine adjusting through grooves 9, the movable screw sleeves 8 corresponding to the left side and the right side of the belt wheel body 1 are fixedly connected with linking pieces 11, the linking pieces 11 are positioned at the inner sides of the corresponding communication grooves 10, and the matching relationship between the, two link up the piece 11 and all contact with the annular wheel face of band pulley body 1 through connecting block fixedly connected with foreign steamer regulating layer 12, two foreign steamer regulating layer 12 all contact with the annular wheel face of band pulley body 1, fixedly connected with elastic rubber strip 13 between two foreign steamer regulating layer 12 link up the face, the internal diameter of two foreign steamer regulating layer 12 slightly is greater than the annular wheel face external diameter of band pulley body 1, elastic rubber strip 13 adopts high tenacity elastic rubber strip, when two foreign steamer regulating layer 12 outwards stimulate, elastic rubber strip 13 can be stretched by elasticity, the side of linking department of two foreign steamer regulating layer 12 is the fillet limit, guarantee the stable connection between two foreign steamer regulating layer 12, avoid band pulley body 1 to produce great gap when adjusting the external diameter and influence equipment normal operating.

The working principle is as follows: when equipment uses, need finely tune the external diameter of foreign steamer body 1, carry out synchronous revolution with the hexagon socket head 7 of band pulley body 1 both sides, make hexagon socket head 7 drive corresponding bispin lead screw 5 and rotate, bispin lead screw 5 drives corresponding activity silk braid 8 and carries out the activity of carrying on the back mutually, thereby make activity silk braid 8 drive corresponding linking piece 11 and move about, linking piece 11 outwards promotes outer round adjustment layer 12 through the connecting block, elastic rubber strip 13 links up the transition with the linking limit of foreign steamer adjustment layer 12, and then the effectual external diameter of band pulley adjusts.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a reference structure" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a novel can finely tune band pulley of external diameter, includes band pulley body and wheel center, its characterized in that: the wheel center is arranged at the central position of the belt wheel body, the left side surface and the right side surface of the belt wheel body are respectively provided with an installation inner ring groove, the inner sides of the two installation inner ring grooves are respectively provided with two adjusting cylinders symmetrically around the wheel center, the inner cavities of the adjusting cylinders are respectively provided with a spacing bearing, the inner sides of the adjusting cylinders are respectively provided with a double-screw rod, the double-screw rod penetrates through the inner sides of the corresponding spacing bearings, the two ends of the double-screw rod respectively penetrate through the inner side walls of the corresponding adjusting cylinders and extend to the outer sides of the adjusting cylinders, the two ends of the double-screw rod are respectively and fixedly connected with an inner hexagonal end socket, the double-screw rod is symmetrically in threaded connection with a movable screw sleeve around the corresponding spacing bearing in the inner cavity part of the adjusting cylinders, the contact parts of the adjusting cylinders and the side surfaces of the, fixedly connected with linking piece between the movable silk braid that the band pulley body left and right sides corresponds each other, linking piece are located the inboard in corresponding intercommunication groove, and two linking pieces all contact with the annular wheel face of band pulley body through connecting block fixedly connected with foreign steamer regulating layer, two foreign steamer regulating layer fixedly connected with elastic rubber strip between the face.

2. The novel belt pulley with a fine-adjustable outer diameter as claimed in claim 1, wherein: the inner diameters of the two outer wheel adjusting layers are slightly larger than the outer diameter of the annular wheel surface of the belt wheel body.

3. The novel belt pulley with a fine-adjustable outer diameter as claimed in claim 1, wherein: the elastic rubber strip is a high-toughness elastic rubber strip, and a movable gap is reserved between the outer wheel adjusting layer and the left inner side wall and the right inner side wall of the belt wheel body.

4. The novel belt pulley with a fine-adjustable outer diameter as claimed in claim 1, wherein: the double-screw rod and the corresponding adjusting cylinder are mutually matched through a shaft collar, the middle part of the double-screw rod is matched with the spacing bearing and distributed into a polished rod, two sections of external threads are symmetrically arranged on the double-screw rod, and two movable screw sleeves on the double-screw rod are symmetrically arranged relative to the spacing bearing.

5. The novel belt pulley with a fine-adjustable outer diameter as claimed in claim 1, wherein: two adjusting cylinders positioned on the same side are symmetrically arranged around the wheel center, and a safety distance is reserved between each adjusting cylinder and the port of the wheel center.

6. The novel belt pulley with a fine-adjustable outer diameter as claimed in claim 1, wherein: the matching relation between the connecting piece and the inner side wall of the corresponding communicating groove and the inner side wall of the fine-tuning through groove is clearance fit.

7. The novel belt pulley with a fine-adjustable outer diameter as claimed in claim 1, wherein: the side of the joint of the two outer wheel adjusting layers is a round corner edge.

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