Chain wheel with high-strength roller

Abstract

The utility model discloses a chain wheel with a high-strength roller, which comprises the following components: a roller which is used for transmission; the movable assembly is located on the outer side of the roller and movably connected with the roller; the abutting assembly is located in the roller and movably connected with the roller; a plurality of sets of movable holes are evenly formed in the outer side of the roller, the number of the movable holes is six, and a tooth groove is formed in one end of the interior of the roller. According to the device disclosed by the utility model, the shifting gear is driven to rotate while the movable column rotates, and the sawteeth on the outer side of the shifting gear directly generate outward pushing force on the limiting block, so that the movable block and the arc-shaped movable plates are driven to move outwards while the limiting block is stressed, and the six groups of arc-shaped movable plates expand outwards at the same time; and when the roller is expanded to a proper position, the movable column can be pulled towards the position of the sleeve, so that the movable column moves forwards and carries the clamping teeth until the clamping teeth are clamped into the tooth grooves, and the outer diameter of the roller can be adjusted.

Description

Technical Field

[0001] The utility model relates to the technical field, in particular to a sprocket with a high-strength roller. Background Art

[0002] A sprocket is a wheel with cog-shaped sprocket teeth that mesh with accurately pitched blocks on a link chain or cable. Sprockets are widely used in chemical, textile machinery, escalators, wood processing, parking garages, agricultural machinery, food processing, instrumentation, petroleum and other industries.

[0003] In order to make the central axis less likely to break, a sprocket roller with a high-strength inner core is provided (specifically refer to patent number: 202222350868.7), which relates to the field of mechanical transmission drive support technology. The utility model is a sprocket roller with a high-strength inner core, comprising a sprocket roller body 1, the sprocket roller body 1 comprising a sprocket body 11 symmetrically arranged up and down, a sleeve 15 is provided between the two sprocket bodies 11, the upper and lower ends of the sleeve 15 are symmetrically provided with a bearing seat 12, the bearing seat 12 is fixedly connected to the sleeve 15 by a bolt 13, an inner core body 14 is provided in the sleeve 15, the sprocket body 11, the bearing seat 12 and the sleeve 15 are penetrated by a rotating main shaft 16, the upper and lower ends of the rotating main shaft 16 penetrate the sprocket body 11 and extend to the outside of the sprocket body 11, the utility model has the advantages of high inner core strength and stable transportation of objects.

[0004] However, when the existing sprocket with a roller is in use, if the belt outside the roller is loose, it is easy to make its straight state worse, thereby reducing its transmission stability to a certain extent, and the outer diameter of the roller cannot be adjusted according to actual conditions, which makes it have certain limitations. Utility Model Content

[0005] The purpose of the utility model is to provide a sprocket with a high-strength roller in order to solve the problems that when an existing sprocket with a roller is used, if the belt located outside the roller is loose, it is easy to make its straight state poor, thereby reducing its transmission stability to a certain extent, and the outer diameter of the roller cannot be adjusted according to the actual situation, so that it has certain limitations.

[0006] To achieve the above object, the utility model provides the following technical solution: a sprocket with a high-strength roller, comprising:

[0007] Roller, for conveying;

[0008] A movable assembly is located outside the drum and is movably connected to the drum;

[0009] A pressing assembly is located inside the drum and movably connected to the drum;

[0010] A plurality of movable holes are evenly arranged on the outside of the drum, and the number of the movable holes is six. A tooth groove is arranged at one end inside the drum, a sleeve is arranged at one end of the drum, a sprocket is arranged at the end of the sleeve away from the drum, and the number of movable components is six, and the six groups of movable components all include an arc-shaped movable plate, and the end surface of the arc-shaped movable plate close to the pressing component is provided with a movable block extending into the inside of the drum, and the outer side of the movable block is provided with an elastic member, and the end surface of the movable block away from the arc-shaped movable plate is provided with a limit block, and the pressing component includes a movable column, and a toggle gear is arranged on the outer side of the movable column and located inside the drum, and a convex ring is arranged on the outer side of the movable column and located at one end of the toggle gear, and a plurality of groups of latch teeth matching the tooth groove are evenly arranged on one side of the top of the convex ring.

[0011] As a further solution of the utility model: one end of the sleeve is provided with a socket extending to one end inside the tooth groove, and the movable column is movably connected with the roller and the sleeve through the socket.

[0012] As a further solution of the utility model: the end faces of the limit blocks close to the movable column are all arc-shaped structures, and the end faces of the limit blocks are all connected to the outer arc-shaped surface of the shifting gear.

[0013] As a further solution of the utility model: one end of the elastic member contacts the inner wall of the drum, and the other end of the elastic member contacts the end surface of the limiting block close to the movable block.

[0014] As a further solution of the utility model: the movable block is movably connected to the roller through a movable hole, a toggle rod is provided at one end of the top and bottom of the movable column and at the end of the sprocket away from the roller, a docking hole is provided at one end of the top of the movable column close to the toggle rod, and the docking hole is located at the end of the sprocket away from the roller.

[0015] As a further solution of the utility model: the movable column is engaged and connected with the roller through the mutual cooperation of the convex ring, the latch teeth and the tooth grooves.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. Through the roller, movable assembly and pressing assembly, when in use, the movable column is pressed toward one end of the roller along the insertion hole, so that the movable column carries the convex ring, the clamping teeth and the toggle gear to move toward the rear side of the roller, and the clamping teeth are separated from the tooth groove, and then the movable column is rotated, so that the movable column rotates and the toggle gear rotates, and the saw teeth on the outer side of the toggle gear directly generate an outward driving force on the limit block, so that the movable block and the arc movable plate are moved outward while being subjected to force, and the six groups of arc movable plates are expanded outward at the same time, so that the outer diameter size of the outer side of the roller can be adjusted, and when it is expanded to a suitable position, the movable column can be pulled toward the position of the sleeve, so that the movable column moves forward and carries the clamping teeth until the clamping teeth are clamped to the inside of the tooth groove, so that the outer diameter size can be adjusted, and the adjusted roller can be used to expand and straighten the relaxed belt, so that its straightening effect is better, thereby improving its transmission stability to a certain extent, and the outer diameter of the roller can be adjusted according to the actual situation, so that its scope of use is wider;

[0018] 2. By utilizing the set elastic member, when the movable column is reset, the arc-shaped movable plate can be reset under the elastic potential energy of the elastic member, thereby shortening the outer diameter range of the roller, making its retraction simpler and more labor-saving, and utilizing the set limit block to ensure that the arc-shaped movable plate is always in a connected state with the roller during the diffusion or retraction process, thereby improving its stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional diagram of the utility model;

[0020] Figure 2 It is a schematic diagram of the structure of the utility model;

[0021] Figure 3 It is a partial stereogram of the utility model.

[0022] In the figure: 1. roller; 101. movable hole; 102. tooth groove; 103. socket; 104. sleeve; 105. sprocket; 2. movable assembly; 201. arc movable plate; 202. movable block; 203. limit block; 204. elastic member; 3. pressing assembly; 301. movable column; 302. convex ring; 303. latching tooth; 304. toggle gear. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, which are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation of the present utility model. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal connection of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. The following is an explanation of the embodiments of the present utility model based on the overall structure of the present utility model.

[0025] See also Figures 1 to 3 In an embodiment of the utility model, a sprocket with a high-strength roller comprises:

[0026] Roller 1, for conveying;

[0027] The movable component 2 is located outside the drum 1 and is movably connected to the drum 1;

[0028] The pressing component 3 is located inside the drum 1 and is movably connected to the drum 1;

[0029] A plurality of movable holes 101 are evenly arranged on the outer side of the drum 1, and the number of movable holes 101 is six. A tooth groove 102 is arranged at one end inside the drum 1, and a sleeve 104 is arranged at one end of the drum 1. A sprocket 105 is arranged at the end of the sleeve 104 away from the drum 1. There are six movable components 2, and the six movable components 2 all include an arc-shaped movable plate 201. The end surface of the arc-shaped movable plate 201 close to the pressing component 3 is provided with a movable block 202 extending into the drum 1. The outer side of the movable block 202 is provided with an elastic member 204. The end surface of the movable block 202 away from the arc-shaped movable plate 201 is provided with a limit block 203. The pressing component 3 includes a movable column 301. A toggle gear 304 is arranged on the outer side of the movable column 301 and located inside the drum 1. A convex ring 302 is arranged on the outer side of the movable column 301 and located at one end of the toggle gear 304. A plurality of latch teeth 303 matching the tooth groove 102 are evenly arranged on one side of the top of the convex ring 302.

[0030] Please refer to Figure 1 , 2 And 3, one end of the sleeve 104 is provided with a socket 103 extending to one end of the inner part of the tooth groove 102, and the movable column 301 is movably connected with the roller 1 and the sleeve 104 through the socket 103, so that the movable column 301 is easy to move along the socket 103, making its movement more labor-saving and easy to use.

[0031] Please refer to Figure 2 The end faces of the limit block 203 close to the movable column 301 are all in an arc-shaped structure, and the end faces of the limit block 203 are in contact with the outer arc-shaped surface of the shifting gear 304.

[0032] Please refer to Figure 2 One end of the elastic member 204 contacts the inner wall of the drum 1 , and the other end of the elastic member 204 contacts the end surface of the limiting block 203 close to the movable block 202 .

[0033] Please refer to Figure 2 and 3 The movable block 202 is movably connected to the drum 1 through the movable hole 101, and a toggle rod is provided at one end of the top and bottom of the movable column 301 and at the end of the sprocket 105 away from the drum 1. A docking hole is provided at one end of the top of the movable column 301 close to the toggle rod, and the docking hole is located at the end of the sprocket 105 away from the drum 1. The position of the docking hole can be used to insert a steel bar roller. The steel bar roller can be used to limit and fix the movable column 301, so that it can be fixed after alignment, so that the stability of the arc-shaped movable plate 201 outside the drum 1 is better, and the utilization rate is improved.

[0034] Please refer to Figure 1 and 2The movable column 301 is engaged with the roller 1 through the cooperation of the convex ring 302, the latching teeth 303 and the tooth grooves 102, which is convenient for limiting the engagement, improves the stability, and allows it to rotate with the roller 1 without being affected by its own activities.

[0035] The working principle of the utility model is as follows: when in use, the movable column 301 is pressed toward one end of the drum 1 along the insertion hole 103, so that the movable column 301 carries the convex ring 302, the latching tooth 303 and the toggle gear 304 to move toward the rear side of the drum 1, and the latching tooth 303 is separated from the tooth groove 102, and then the movable column 301 is rotated, so that the movable column 301 rotates and the toggle gear 304 rotates at the same time, and the saw teeth on the outer side of the toggle gear 304 directly generate an outward driving force on the limit block 203, so that the movable block 202 and the arc movable plate 201 are moved outward while being subjected to force, and the six groups of arc movable plates 201 are expanded outward at the same time, so that the outer diameter of the outer part of the drum 1 can be adjusted, and when it is expanded to a suitable position, the movable column 301 can be pulled toward the position of the sleeve 104, so that the movable column 301 moves forward and carries the latching tooth 303 at the same time. The tooth 303 is engaged with the tooth groove 102 until the tooth 303 is engaged with the tooth groove 102, so that the outer diameter thereof can be adjusted. The relaxed belt can be expanded and straightened by the adjusted roller, so that the straightening effect is better, thereby improving the transmission stability to a certain extent. The outer diameter of the roller can be adjusted according to the actual situation, so that the scope of use is wider. By using the set elastic member 204, when the movable column 301 is reset, the arc-shaped movable plate 201 can be reset under the elastic potential energy of the elastic member 204, so that the outer diameter range of the roller 1 can be shortened, so that the retraction thereof is simpler and more labor-saving. By using the set limit block 203, the arc-shaped movable plate 201 is always connected with the roller 1 during the expansion or retraction process, so that the stability thereof is better.

[0036] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A sprocket with a high-strength roller, characterized in that: include: A roller (1) for conveying; A movable component (2) is located outside the drum (1) and is movably connected to the drum (1); A pressing assembly (3) is located inside the drum (1) and is movably connected to the drum (1); The outer side of the roller (1) is evenly provided with a plurality of groups of movable holes (101), the number of the movable holes (101) being six groups, one end of the interior of the roller (1) being provided with a tooth groove (102), one end of the roller (1) being provided with a sleeve (104), the outer end of the sleeve (104) being provided with a sprocket (105) away from the roller (1), the number of the movable components (2) being six groups, and the six groups of the movable components (2) all comprising an arc-shaped movable plate (201), and the end surface of the arc-shaped movable plate (201) close to the pressing component (3) being provided with a movable block (102) extending into the interior of the roller (1). 202), the outer side of each movable block (202) is provided with an elastic member (204), the end surface of the movable block (202) away from the arc-shaped movable plate (201) is provided with a limit block (203), the pressing assembly (3) comprises a movable column (301), the outer side of the movable column (301) and a shifting gear (304) is provided inside the drum (1), the outer side of the movable column (301) and a convex ring (302) is provided at one end of the shifting gear (304), and a plurality of groups of latching teeth (303) matching the tooth grooves (102) are evenly provided on one side of the top of the convex ring (302).

2. A sprocket with a high-strength roller according to claim 1, characterized in that: One end of the sleeve (104) is provided with a socket (103) extending to one end inside the tooth groove (102), and the movable column (301) is movably connected to the roller (1) and the sleeve (104) through the socket (103).

3. A sprocket with a high-strength roller according to claim 1, characterized in that: The end surfaces of the limit blocks (203) close to the movable column (301) are all in an arc-shaped structure, and the end surfaces of the limit blocks (203) are in contact with the outer arc-shaped surface of the shifting gear (304).

4. A sprocket with a high-strength roller according to claim 1, characterized in that: One end of the elastic member (204) contacts the inner wall of the drum (1), and the other end of the elastic member (204) contacts the end surface of the limiting block (203) close to the movable block (202).

5. A sprocket with a high-strength roller according to claim 1, characterized in that: The movable block (202) is movably connected to the roller (1) via the movable hole (101); a toggle rod is provided at one end of the top and bottom of the movable column (301) and at the end of the sprocket (105) away from the roller (1); a docking hole is provided at one end of the top of the movable column (301) close to the toggle rod, and the docking hole is located at the end of the sprocket (105) away from the roller (1).

6. A sprocket with a high-strength roller according to claim 1, characterized in that: The movable column (301) is engaged and connected with the roller (1) through the cooperation of the convex ring (302), the latching teeth (303) and the tooth groove (102).

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