Strength-enhanced gear

Abstract

The utility model discloses a strength-enhanced gear, which comprises a first gear outer ring and a second gear outer ring, the first gear outer ring and the second gear outer ring are oppositely and fixedly mounted, a mounting shaft barrel is arranged in the first gear outer ring, a reinforcing gear ring is clamped between the first gear outer ring and the second gear outer ring, and the reinforcing gear ring is arranged in the mounting shaft barrel. The clamping teeth outside the reinforcing gear ring are matched with the clamping teeth outside the first gear outer ring and the clamping teeth outside the second gear outer ring, and clamping tooth grooves matched with the clamping teeth outside the reinforcing gear ring are formed in the annular groove. The first gear outer ring, the second gear outer ring and the reinforcing gear ring are used in a matched mode, the first gear outer ring and the second gear outer ring are made of plastic materials, and the reinforcing gear ring is made of iron materials, so that the reinforcing gear ring is spliced between the first gear outer ring and the second gear outer ring; the overall strength of the first gear outer ring and the second gear outer ring can be improved, and the production cost is reduced.

Description

Technical Field

[0001] The utility model relates to the field of gears, in particular to a gear with increased strength. Background Art

[0002] Gear is a common mechanical transmission device used to transmit and regulate rotational motion and torque. It consists of two or more gears, each of which has a certain number of teeth that mesh and rotate with each other. The basic structure of a gear includes teeth and a shaft. Teeth are protrusions located around the gear. Their shapes can be straight teeth, helical teeth, involute teeth, etc. The shaft is the central axis of the gear and is used to support and fix the gear.

[0003] When gears are used at work, iron or plastic can be selected as the material for the gears according to their usage. Plastic gears are mainly used in some small equipment and machines. Compared with iron gears, plastic gears are lighter and have lower manufacturing costs. However, the strength of plastic gears is lower than that of iron gears, so plastic gears will wear out after being used for a period of time. It is not convenient to use plastic gears and iron gears in combination to solve the problem of wear of plastic gears after being used for a period of time. Utility Model Content

[0004] The purpose of the utility model is to provide a gear with increased strength to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical solutions: a gear with increased strength, comprising a first gear outer ring and a second gear outer ring, wherein the first gear outer ring and the second gear outer ring are relatively fixedly installed;

[0006] A mounting shaft cylinder is arranged inside the first gear outer ring, a reinforcing gear ring is clamped between the first gear outer ring and the second gear outer ring, and the external locking teeth of the reinforcing gear ring match the external locking teeth of the first gear outer ring and the external locking teeth of the second gear outer ring.

[0007] Preferably, an annular groove is formed on the opposite side of the first gear outer ring and the second gear outer ring, the reinforced gear ring is sleeved inside the annular groove, and the annular groove has a tooth groove matching the external teeth of the reinforced gear ring.

[0008] Preferably, a positioning hole is provided on one side of the reinforced gear ring, a positioning rod is fixedly connected to one side of the outer ring of the first gear, the outer wall of the positioning rod is slidably engaged with the inner cavity of the positioning hole, and a positioning groove matching the positioning rod is provided on one side of the outer ring of the second gear.

[0009] Preferably, a first inner ring is arranged inside the outer ring of the first gear, and a second inner ring is arranged inside the outer ring of the second gear. The outer wall of the first inner ring and the outer wall of the second inner ring are both fixedly connected with connecting plates. The first inner ring is fixedly connected to the outer ring of the first gear via the connecting plate, and the second inner ring is fixedly connected to the outer ring of the second gear via the connecting plate.

[0010] Preferably, a mounting sleeve is fixedly sleeved inside the first inner ring, an outer wall of the mounting sleeve is slidingly sleeved with the second inner ring, an outer wall of the mounting shaft cylinder is sleeved with the mounting sleeve, a fixing screw is provided on one side of the mounting sleeve, and the mounting shaft cylinder is fixedly connected to the mounting sleeve via the fixing screw.

[0011] Preferably, a connecting hole is opened on one side of the connecting plate, a threaded sleeve is fixedly connected to one side of the second inner ring outer connecting plate, a fixing bolt is sleeved on the inner cavity of the connecting hole, and one end of the outer wall of the fixing bolt is threadedly sleeved on the threaded sleeve.

[0012] Preferably, a reinforcement page plate is fixedly connected between the first inner ring and the first gear outer ring, an outer wall of the reinforcement page plate is fixedly connected to the connecting plate, and an end of the reinforcement page plate is fixedly connected to the mounting sleeve.

[0013] Technical effects and advantages of the utility model:

[0014] The utility model utilizes the coordinated use of the first gear outer ring, the second gear outer ring and the reinforced gear ring. The first gear outer ring and the second gear outer ring are made of plastic material, and the reinforced gear ring is made of iron material, thereby strengthening the splicing between the gear ring and the first gear outer ring and the second gear outer ring, which can improve the overall strength of the first gear outer ring and the second gear outer ring and reduce their production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0016] Figure 2 It is a schematic diagram of the overall structure of one side of the utility model.

[0017] Figure 3 This is a schematic diagram of the overall new structure of the practical enhanced gear ring.

[0018] Figure 4 This is a schematic diagram of the new internal structure of the outer ring side of the first gear in this utility model.

[0019] In the figure: 1. First gear outer ring; 2. Second gear outer ring; 3. Mounting shaft cylinder; 4. Strengthening gear ring; 5. Positioning hole; 6. Positioning rod; 7. First inner ring; 8. Second inner ring; 9. Connecting plate; 10. Fixing bolt; 11. Mounting sleeve; 12. Threaded sleeve; 14. Fixing screw; 15. Strengthening page plate. DETAILED DESCRIPTION

[0020] 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.

[0021] The utility model provides Figure 1-4 A gear with increased strength is shown, comprising a first gear outer ring 1 and a second gear outer ring 2, the first gear outer ring 1 and the second gear outer ring 2 are relatively fixedly installed, a mounting shaft cylinder 3 is arranged inside the first gear outer ring 1, a reinforcing gear ring 4 is clamped between the first gear outer ring 1 and the second gear outer ring 2, the external clamping teeth of the reinforcing gear ring 4 match the external clamping teeth of the first gear outer ring 1 and the external clamping teeth of the second gear outer ring 2, the first gear outer ring 1 and the second gear outer ring 2 are made of plastic material, the reinforcing gear ring 4 is made of iron material, and the reinforcing gear ring 4 is smaller than the width of the first gear outer ring 1 or the width of the second gear outer ring 2, so that when the reinforcing gear ring 4 is used in combination with the first gear outer ring 1 and the second gear outer ring 2, the overall strength thereof can be improved, and the cost is lower than that of traditional iron gears of the same specification.

[0022] In particular, an annular groove is provided on the opposite side of the first gear outer ring 1 and the second gear outer ring 2, and the reinforcing gear ring 4 is sleeved in the inside of the annular groove. A tooth groove matching the external teeth of the reinforcing gear ring 4 is provided in the inside of the annular groove, that is, under the action of the tooth groove, the side of the external teeth of the reinforcing gear ring 4 has an exposed portion, so that when it is engaged with the connecting gear for transmission, the external teeth of the reinforcing gear ring 4 will mesh with the teeth of the connecting gear, thereby improving the strength and stability of its transmission, a positioning hole 5 is provided on one side of the reinforcing gear ring 4, a positioning rod 6 is fixedly connected to one side of the first gear outer ring 1, and the outer wall of the positioning rod 6 is slidably sleeved with the inner cavity of the positioning hole 5, and a positioning groove matching the positioning rod 6 is provided on one side of the second gear outer ring 2. The positioning rod 6 can improve the stability of the docking between the reinforcing gear ring 4 and the first gear outer ring 1 and the second gear outer ring 2.

[0023] Furthermore, a first inner ring 7 is provided inside the first gear outer ring 1, and a second inner ring 8 is provided inside the second gear outer ring 2. The outer wall of the first inner ring 7 and the outer wall of the second inner ring 8 are both fixedly connected with a connecting plate 9. The first inner ring 7 is fixedly connected to the first gear outer ring 1 through the connecting plate 9, and the second inner ring 8 is fixedly connected to the second gear outer ring 2 through the connecting plate 9. A mounting sleeve 11 is fixedly sleeved inside the first inner ring 7, and the outer wall of the mounting sleeve 11 is slidably sleeved with the second inner ring 8. A reinforcing page plate 15 is fixedly connected between the first inner ring 7 and the first gear outer ring 1, and the outer wall of the reinforcing page plate 15 is fixedly connected to the connecting plate 9, and the end of the reinforcing page plate 15 is fixedly connected to the mounting sleeve 11. The first inner ring 7, the second inner ring 8, the connecting plate 9, the reinforcing page plate 15 and the mounting sleeve 11 are all made of plastic material. The first inner ring 7, the first gear outer ring 1, the connecting plate 9, the reinforcing page plate 15 and the mounting sleeve 11 are integrally extruded and manufactured, and the second gear outer ring 2, the connecting plate 9 and the second inner ring 8 are integrally extruded and manufactured.

[0024] Specifically, the outer wall of the mounting shaft cylinder 3 is sleeved with the mounting sleeve 11, and a fixing screw 14 is provided on one side of the mounting sleeve 11. The mounting shaft cylinder 3 is fixedly connected to the mounting sleeve 11 by the fixing screw 14, so that the fixing screw 14 can be removed to install or remove the mounting shaft cylinder 3. A connecting hole is provided on one side of the connecting plate 9, and a threaded sleeve 12 is fixedly connected to one side of the connecting plate 9 outside the second inner ring 8. A fixing bolt 10 is sleeved in the inner cavity of the connecting hole, and one end of the outer wall of the fixing bolt 10 is threadedly sleeved with the threaded sleeve 12. The fixing bolt 10 and the threaded sleeve 12 can fix the first inner ring 7 and the second inner ring 8, thereby fixing the first gear outer ring 1 and the second gear outer ring 2.

[0025] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A gear with increased strength, comprising a first gear outer ring (1) and a second gear outer ring (2), wherein the first gear outer ring (1) and the second gear outer ring (2) are relatively fixedly mounted; It is characterized in that A mounting shaft cylinder (3) is arranged inside the first gear outer ring (1), and a reinforcing gear ring (4) is clamped between the first gear outer ring (1) and the second gear outer ring (2), and the external clamping teeth of the reinforcing gear ring (4) match the external clamping teeth of the first gear outer ring (1) and the external clamping teeth of the second gear outer ring (2).

2. A gear with increased strength according to claim 1, characterized in that: An annular groove is provided on one side opposite to the first gear outer ring (1) and the second gear outer ring (2); the reinforced gear ring (4) is sleeved inside the annular groove; and a tooth groove matching the external tooth of the reinforced gear ring (4) is provided inside the annular groove.

3. A gear with increased strength according to claim 2, characterized in that: A positioning hole (5) is provided on one side of the reinforced gear ring (4); a positioning rod (6) is fixedly connected to one side of the first gear outer ring (1); the outer wall of the positioning rod (6) is slidably connected to the inner cavity of the positioning hole (5); and a positioning groove matching the positioning rod (6) is provided on one side of the second gear outer ring (2).

4. A gear with increased strength according to claim 1, characterized in that: A first inner ring (7) is arranged inside the first gear outer ring (1), and a second inner ring (8) is arranged inside the second gear outer ring (2). The outer wall of the first inner ring (7) and the outer wall of the second inner ring (8) are both fixedly connected with a connecting plate (9). The first inner ring (7) is fixedly connected to the first gear outer ring (1) via the connecting plate (9), and the second inner ring (8) is fixedly connected to the second gear outer ring (2) via the connecting plate (9).

5. A gear with increased strength according to claim 4, characterized in that: The first inner ring (7) is fixedly sleeved with a mounting sleeve (11), the outer wall of the mounting sleeve (11) is slidably sleeved with the second inner ring (8), the outer wall of the mounting shaft cylinder (3) is sleeved with the mounting sleeve (11), a fixing screw (14) is provided on one side of the mounting sleeve (11), and the mounting shaft cylinder (3) is fixedly connected to the mounting sleeve (11) via the fixing screw (14).

6. A gear with increased strength according to claim 5, characterized in that: A connecting hole is provided on one side of the connecting plate (9); a threaded sleeve (12) is fixedly connected to one side of the connecting plate (9) outside the second inner ring (8); a fixing bolt (10) is sleeved on the inner cavity of the connecting hole; and one end of the outer wall of the fixing bolt (10) is threadedly sleeved on the threaded sleeve (12).

7. A gear with increased strength according to claim 5, characterized in that: A reinforcing page plate (15) is fixedly connected between the first inner ring (7) and the first gear outer ring (1), the outer wall of the reinforcing page plate (15) is fixedly connected to the connecting plate (9), and the end of the reinforcing page plate (15) is fixedly connected to the mounting sleeve (11).

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