Shaft injection molding gear structure

Abstract

The utility model discloses a shaft injection molding gear structure and belongs to the technical field of gears, the shaft injection molding gear structure comprises an injection molding shaft, a connecting rod is fixedly assembled on the outer side of the injection molding shaft, a plurality of inserting grooves are evenly formed in the outer edge of the connecting rod, and an inserting block is fixedly connected to the side, away from the injection molding shaft, of the connecting rod; the injection molding shaft and the injection molding gear body are subjected to integrated injection molding, so that tooth hitting and slipping of the injection molding gear body are reduced, meanwhile, a sleeve can be taken to align a rotating rod to the inner wall position of a rotating hole, and then the sleeve is rotated to connect an internal thread on the inner wall of the sleeve to the outer edge position of a connector in a threaded mode; and the bottom of the pressing disc is attached to the top of the injection molding gear body, so that the injection molding gear body is limited, it is guaranteed that the injection molding gear body cannot be disengaged from the outer side position of the insertion block at will, the stability of the injection molding gear body during operation is guaranteed, it is guaranteed that operation of a whole transmission mechanism is not affected, and the service life of the injection molding gear body is prolonged.

Description

Technical Field

[0001] The present application relates to the technical field of gears, and in particular to a shaft injection molded gear structure. Background Art

[0002] Gears are one of the most widely used transmission components. Almost all modern machinery uses gear transmission to a greater or lesser extent, from timepieces to large cranes, trains, cars, airplanes, ships, tractors, machine tools in factories, etc. Gears are at work everywhere.

[0003] In the existing structure where the shaft and the gear are combined, they are all connected by riveting. The riveting connection will produce many adverse effects, and the riveting pressure treatment is unreasonable. The gears are prone to tooth chipping or slipping, which will affect the operation of the entire transmission mechanism and further affect its service life. Utility Model Content

[0004] In view of the deficiencies of the prior art, the present application provides a shaft injection molded gear structure, which overcomes the deficiencies of the prior art and aims to solve the problems in the prior art.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical solutions: an injection molding gear structure, comprising an injection molding shaft, a connecting rod is fixedly installed on the outer side of the injection molding shaft, a plurality of slots are evenly opened on the outer edge of the connecting rod, a plug block is fixedly connected to the side of the connecting rod away from the injection molding shaft, a connecting head is fixedly installed on the side of the plug block away from the connecting rod, a positioning ring is inserted on the outer edge of the connecting rod, a plurality of insert strips are evenly fixed on the inner wall of the positioning ring, an injection molding gear body is fixedly installed on the side of the positioning ring away from the injection molding shaft, a sleeve is threadedly connected to the outer edge of the connecting head, a pressure plate is fixedly installed on the outer side of the sleeve, and a rotating rod is fixedly installed on the inner top of the sleeve.

[0006] As a preferred technical solution of the present application, a rotating hole is opened on the inner wall of the connector, the rotating rod is inserted into the inner wall of the rotating hole, and the outer diameter of the rotating rod is matched with the inner wall diameter of the rotating hole.

[0007] By adopting the above technical solution, the sleeve can be positioned to ensure that the sleeve can be easily connected to the outer edge of the connector.

[0008] As a preferred technical solution of the present application, the inserting strip is inserted into the inner wall of the slot, and the inner wall diameter of the positioning ring is matched with the outer edge diameter of the connecting rod.

[0009] By adopting the above technical solution, it is possible to limit the insertion strip, thereby ensuring that the positioning ring will not rotate at will after the positioning ring is sleeved to the outer edge of the connecting rod.

[0010] As a preferred technical solution of the present application, a through hole is opened on the inner wall of the injection molded gear body, the insert block is arranged on the inner wall of the through hole, and the outer shape of the insert block is matched with the inner wall shape of the through hole.

[0011] By adopting the above technical solution, the plug block can be stably plugged into the inner wall position of the injection-molded gear body by using the through hole, thereby ensuring the stability of the connection between the injection-molded gear body and the plug block.

[0012] As a preferred technical solution of the present application, the outer edge of the connector is provided with an external thread, the inner wall of the sleeve is provided with an internal thread, and the internal thread of the inner wall of the sleeve is threadedly connected to the external thread of the outer edge of the connector.

[0013] By adopting the above technical solution, the sleeve and the connector can be stably connected to ensure that they will not be dislocated at will.

[0014] As a preferred technical solution of the present application, the bottom of the pressure plate fits with the top of the injection-molded gear body.

[0015] By adopting the above technical solution, the injection-molded gear body can be stably installed on the outer edge of the plug block to ensure that it will not fall off at will, thereby ensuring the stability of the equipment during operation.

[0016] Beneficial effects of this application:

[0017] 1. By integrally molding the injection molding shaft and the injection molding gear body, the toothing and slipping of the injection molding gear body can be reduced. At the same time, the sleeve can be taken to align the rotating rod with the inner wall position of the rotating hole, and then the sleeve is rotated to connect the internal thread of the inner wall of the sleeve to the outer edge position of the connector until the bottom of the pressure plate fits with the top of the injection molding gear body, thereby limiting the injection molding gear body and ensuring that the injection molding gear body will not arbitrarily leave the outer position of the plug block, thereby ensuring its stability during operation and ensuring that it will not affect the operation of the entire transmission mechanism, thereby increasing the service life of the injection molding gear body. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of this application;

[0019] Figure 2 This is a schematic diagram of a partial expanded structure of this application;

[0020] Figure 3 This is a schematic diagram of the unfolded structure of the rotating rod of the present application;

[0021] Figure 4 This is a schematic diagram of the cross-sectional structure of this application.

[0022] In the figure: 1. injection molding shaft; 2. connecting rod; 3. slot; 4. plug block; 5. connector; 6. positioning ring; 7. insert strip; 8. injection molding gear body; 9. sleeve; 10. pressure plate; 11. rotating rod. DETAILED DESCRIPTION

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

[0024] Reference Figure 1-4 , the shaft injection molding gear structure comprises an injection molding shaft 1, a connecting rod 2 is fixedly assembled on the outer side of the injection molding shaft 1, a plurality of slots 3 are evenly opened on the outer edge of the connecting rod 2, a plug block 4 is fixedly connected to the side of the connecting rod 2 away from the injection molding shaft 1, a connecting head 5 is fixedly assembled on the side of the plug block 4 away from the connecting rod 2, a positioning ring 6 is inserted on the outer edge of the connecting rod 2, a plurality of insert strips 7 are evenly fixed on the inner wall of the positioning ring 6, an injection molding gear body 8 is fixedly assembled on the side of the positioning ring 6 away from the injection molding shaft 1, a sleeve 9 is threadedly connected to the outer edge of the connecting head 5, a pressure plate 10 is fixedly assembled on the outer side of the sleeve 9, and a rotating rod 11 is fixedly assembled on the inner top of the sleeve 9.

[0025] Reference Figure 4 A rotating hole is opened on the inner wall of the connecting head 5, and the rotating rod 11 is inserted into the inner wall position of the rotating hole. The outer edge diameter of the rotating rod 11 is adapted to the inner wall diameter of the rotating hole. By inserting the rotating rod 11 into the inner wall position of the rotating hole, the sleeve 9 can be positioned to ensure that the sleeve 9 can be easily connected to the outer edge position of the connecting head 5.

[0026] Reference Figure 2 and Figure 3 The insertion strip 7 is inserted into the inner wall position of the slot 3, and the inner wall diameter of the positioning ring 6 is adapted to the outer edge diameter of the connecting rod 2. By inserting the insertion strip 7 into the inner wall position of the slot 3, the insertion strip 7 can be limited to ensure that the positioning ring 6 will not rotate at will after the positioning ring 6 is sleeved to the outer edge position of the connecting rod 2.

[0027] Reference Figure 4 A through hole is opened on the inner wall of the injection-molded gear body 8, and the plug-in block 4 is arranged at the inner wall position of the through hole. The outer shape of the plug-in block 4 is adapted to the inner wall shape of the through hole. By adapting the outer shape of the plug-in block 4 to the inner wall shape of the through hole, the plug-in block 4 can be stably plugged into the inner wall position of the injection-molded gear body 8 through the through hole, thereby ensuring the stability of the connection between the injection-molded gear body 8 and the plug-in block 4.

[0028] An external thread is provided on the outer edge of the connector 5, and an internal thread is provided on the inner wall of the sleeve 9. The internal thread on the inner wall of the sleeve 9 is threadedly connected to the external thread on the outer edge of the connector 5. The internal thread on the inner wall of the sleeve 9 is threadedly connected to the external thread on the outer edge of the connector 5, so that the sleeve 9 and the connector 5 can be stably connected, thereby ensuring that they will not be dislocated at will.

[0029] Reference Figure 4 The bottom of the pressure plate 10 fits with the top of the injection-molded gear body 8, so that the injection-molded gear body 8 can be stably installed on the outer edge of the plug-in block 4 to ensure that it will not fall off at will, thereby ensuring the stability of the equipment during operation.

[0030] Working principle: When using the device, first take the injection molded gear body 8 and insert the positioning ring 6 into the outer edge position of the connecting rod 2, so as to insert the insertion strip 7 into the inner wall position of the slot 3, and at the same time, the through hole on the inner wall of the injection molded gear body 8 will be inserted into the inner wall position of the insertion block 4, and then you can take the sleeve 9 and align the rotating rod 11 with the inner wall position of the rotating hole, and then rotate the sleeve 9 to connect the internal thread of the inner wall of the sleeve 9 to the outer edge position of the connector 5 until the bottom of the pressure plate 10 fits with the top of the injection molded gear body 8, thereby limiting the injection molded gear body 8 and ensuring that the injection molded gear body 8 will not arbitrarily leave the outer position of the insertion block 4.

[0031] The above description is only the preferred embodiment of the present application and is not intended to limit the present application. Although the present application is 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 replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A shaft injection molded gear structure, comprising an injection molded shaft (1), characterized in that: A connecting rod (2) is fixedly mounted on the outer side of the injection molding shaft (1), a plurality of slots (3) are evenly arranged on the outer edge of the connecting rod (2), a plug block (4) is fixedly connected to the side of the connecting rod (2) away from the injection molding shaft (1), a connector (5) is fixedly mounted on the side of the plug block (4) away from the connecting rod (2), a positioning ring (6) is inserted into the outer edge of the connecting rod (2), a plurality of insert strips (7) are evenly fixed on the inner wall of the positioning ring (6), an injection molding gear body (8) is fixedly mounted on the side of the positioning ring (6) away from the injection molding shaft (1), a sleeve (9) is threadedly connected to the outer edge of the connector (5), a pressure plate (10) is fixedly mounted on the outer side of the sleeve (9), and a rotating rod (11) is fixedly mounted on the inner top of the sleeve (9).

2. The shaft injection molded gear structure according to claim 1, characterized in that: The inner wall of the connector (5) is provided with a rotation hole, the rotation rod (11) is inserted into the inner wall of the rotation hole, and the outer diameter of the rotation rod (11) is matched to the inner wall diameter of the rotation hole.

3. The shaft injection molded gear structure according to claim 1, characterized in that: The inserting strip (7) is inserted into the inner wall of the slot (3), and the inner wall diameter of the positioning ring (6) is matched with the outer edge diameter of the connecting rod (2).

4. The shaft injection gear structure according to claim 1, characterized in that: The inner wall of the injection molded gear body (8) is provided with a through hole, the insert block (4) is arranged at the inner wall position of the through hole, and the outer shape of the insert block (4) is adapted to the inner wall shape of the through hole.

5. The shaft injection molded gear structure according to claim 1, characterized in that: The outer edge of the connector (5) is provided with an external thread, the inner wall of the sleeve (9) is provided with an internal thread, and the internal thread of the inner wall of the sleeve (9) is threadedly connected to the external thread of the outer edge of the connector (5).

6. The shaft injection molded gear structure according to claim 1, characterized in that: The bottom of the pressure plate (10) fits into the top of the injection-molded gear body (8).

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