A side oiling protective cover for open gears

Abstract

The present invention relates to a side oiling protective cover for an open gear, comprising a gear and a protective cover arranged on the outside of the gear, the protective cover being provided with a fixed baffle and a movable baffle, the fixed baffle being fixedly mounted on one side of the protective cover, the movable baffle being movably connected to the other side of the protective cover, the movable baffle having a mounting surface arranged on the movable baffle for matching mounting and a shielding surface located below the mounting surface for shielding the gear, the mounting surface being provided with a double hook groove, two pins being installed on the end surface of the protective cover, the double hook grooves correspondingly hooking the corresponding pins when the movable baffle is rotated, and the two pins are matched with fixing parts outside. When grease is added to the gear, two loosening nuts are loosened to open the movable baffle. When the machine is working normally, the movable baffle is closed to block dust and prevent safety hazards from opening.

Description

Technical Field

[0001] The invention relates to the technical field of open gear protection, in particular to a side oiling type protective cover of an open gear. Background Art

[0002] Open gears are usually equipped with protective covers because they are exposed to the elements. However, it is not easy to add grease to the gears after the protective covers are installed. If the opening of the protective cover is too large, dust will easily enter and it will be unsafe. If the opening is too small, it will be difficult to add grease, and the gears will fail faster due to lack of lubrication. Summary of the invention

[0003] The present invention provides a side oiling type protective cover for an open gear with a simple structure, a side oiling device and a visibility device, which solves the above-mentioned problems existing in the use process of the prior art.

[0004] A side oiling protective cover for an open gear, characterized in that it includes a gear and a protective cover arranged on the outside of the gear, the protective cover is provided with a fixed baffle and a movable baffle, the fixed baffle is fixedly installed on one side of the protective cover, and the movable baffle is movably connected to the other side of the protective cover, the movable baffle has a mounting surface arranged on the movable baffle for mating installation and a shielding surface located below the mounting surface for shielding the gear, the mounting surface is provided with a double hook groove, two pins are installed on the end surface of the protective cover, when the movable baffle is rotated, the double hook grooves correspondingly hook the corresponding pins, and the two pins are matched with fixing parts.

[0005] Preferably, the double hook groove is divided into a left hook groove and a right hook groove, and the groove openings of the left hook groove and the right hook groove are arranged in opposite directions to form an upward groove and a downward groove.

[0006] Preferably, the pin shaft is a threaded pin shaft, the fixing piece is a locking nut, and the movable baffle is fastened by the locking nut and the threaded pin shaft.

[0007] Preferably, the movable baffle and the protective cover are movably connected by a link.

[0008] Preferably, the movable baffle and the protective cover are movably connected in the following manner: the protective cover is provided with a matching installation hole, a mounting shaft column is installed on the protective cover, the mounting shaft column extends into the matching installation hole and is fixed by a cotter pin.

[0009] Preferably, the cross-sections of the upward notch and the downward notch are V-shaped, and the depth of the downward notch is greater than the depth of the upward notch.

[0010] Preferably, the movable baffle is provided with a handle.

[0011] Preferably, the mounting surface and the shielding surface are integrally formed.

[0012] Preferably, the protective cover, the fixed baffle and the movable baffle are made of metal.

[0013] Preferably, the gear has at least two meshing transmission wheels, an opening is formed at the meshing point of the two transmission wheels, a fixed baffle and a movable baffle are installed at the opening and block to form a sealed space, the pin shaft is divided into a first pin shaft and a second pin shaft, the notch direction of the left hook groove is an upward notch, and the notch direction of the right hook groove is a downward notch, wherein the connection point between the movable baffle and the protective cover is located on the adjacent side of the left hook groove.

[0014] Through the above scheme, the fixed baffle is fixedly connected to the protective cover, the movable baffle is hinged to the protective cover, and a handle is provided on the movable baffle. The threaded pin is fixed to the protective cover, the movable baffle is clamped on the threaded pin through the double hook groove, and is fastened by the loose nut to protect the starting gear and achieve a protective effect, and grease can also be added according to needs.

[0015] The technical solution of the present invention is achieved in this way:

[0016] In summary, this scheme has a simple structure. Through reasonable design, a fixed baffle is provided at one end of the protective cover and a movable baffle is provided at the other end. When grease the gear, loosen the two locking nuts and open the movable baffle. When the machine is working normally, close the movable baffle to block dust and prevent safety hazards caused by the opening. The movable baffle is clamped on the threaded pin through the double hook groove and fastened by the locking nut to prevent it from loosening and falling off due to vibration generated during the operation of the machine. At the same time, when one of the threaded pins falls off due to external force or other factors, the other threaded pin can still work normally to prevent the movable baffle from falling onto the gear and causing a safety accident. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0019] Figure 2 for Figure 1 Schematic diagram of the rear structure;

[0020] Figure 3 for Figure 1 A schematic diagram of the structure with the movable baffle opened;

[0021] Figure 4 It is a structural schematic diagram of a movable baffle;

[0022] Figure 5 It is a schematic diagram of the overall structure of the protective cover;

[0023] Figure 6 for Figure 5 A local enlarged schematic diagram of point A in the middle. DETAILED DESCRIPTION

[0024] The following will be combined with the attached embodiment of the present invention Figure 1-6 , the technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. Example

[0025] refer to Figures 1 to 6 As shown, the present invention discloses a side oiling type protective cover for an open gear, comprising a gear 1 and a protective cover 2 arranged outside the gear, the protective cover 2 is provided with a fixed baffle 4 and a movable baffle 3, the fixed baffle 4 is fixedly installed on one side of the protective cover, and the two can be welded or threadedly connected and fixed, the movable baffle is movably connected to the other side of the protective cover, and the two are connected by a connecting piece, the movable baffle has a mounting surface 34 arranged on the movable baffle for matching installation and a shielding surface 35 located below the mounting surface for shielding the gear, preferably, the mounting surface and the shielding surface are processed and formed in one piece. The mounting surface 34 is provided with a double hook groove, and two pins 6 are installed on the end surface of the protective cover, and when the movable baffle rotates with the connecting piece as the rotation center, the double hook grooves correspondingly hook the corresponding pins 6, and the two pins 8 are matched with a fixing piece, wherein the pin 6 adopts a threaded pin, and the fixing piece adopts a loose nut 5, and the movable baffle is fastened by the threaded pin of the loose nut 5. In order to open it quickly when grease needs to be added, the movable baffle is provided with a handle 32.

[0026] The protective cover of this scheme has a fixed baffle and a movable baffle at the other end. When adding grease to the gear, loosen the two locking nuts and open the movable baffle. When the machine is working normally, close the movable baffle 3 to block dust and prevent safety hazards caused by opening. The movable baffle 3 is clamped on the threaded pin through the double hook groove and fastened by the locking nut to prevent it from loosening and falling off due to vibration generated during the operation of the machine. When one of the threaded pins falls off due to external force or other factors, the other threaded pin can still work normally to prevent the movable baffle from falling onto the gear and causing a safety accident.

[0027] The double hook groove is divided into a left hook groove 30 and a right hook groove 31. The groove directions of the left hook groove and the right hook groove are set in opposite directions to form an upward groove and a downward groove. The preferred solution is that the cross-sections of the upward groove and the downward groove are V-shaped, and the depth of the downward groove is greater than the depth of the upward groove.

[0028] Reverse setting, reference when opening Figure 3 The connecting piece is used as the rotation center, and the upward notch can only be opened along the bottom of the pin shaft, and the downward notch on the other side opens upward, which can achieve better firmness and prevent falling off.

[0029] There are two ways of movably connecting the movable baffle and the protective cover. Way 1: The connecting piece adopts a link connection.

[0030] Mode 2: The movable baffle and the protective cover are movably connected in the following manner: the protective cover is provided with a matching installation hole, a mounting shaft column 8 is installed on the protective cover, the mounting shaft column 8 extends into the matching installation hole 33 and is fixed by a cotter pin or an outer end cap.

[0031] This plan gives priority to method 2.

[0032] In order to increase the service life, the protective cover, the fixed baffle and the movable baffle are made of metal.

[0033] The detailed scheme of this design is as follows: the gear has at least two meshing transmission wheels, an opening 7 is formed at the meshing position of the two transmission wheels, a fixed baffle and a movable baffle are installed at the opening and block to form a sealed space, the pin shaft is divided into a first pin shaft and a second pin shaft, the notch direction of the left hook groove 30 is an upward notch, and the notch direction of the right hook groove 31 is a downward notch, wherein the connection point between the movable baffle and the protective cover is located on the adjacent side of the left hook groove.

[0034] The threaded pin is fixed on the protective cover, the movable baffle is clamped on the threaded pin through the double hook groove, and is fastened by the loose nut to protect the starting gear and achieve the protective effect. Grease can also be added as needed.

[0035] It should also be pointed out that the terms used in the present invention, such as “front”, “rear”, “vertical”, “horizontal”, etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are only used to facilitate the description of the present invention and simplify the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the scope of protection of the present invention.

[0036] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A side oiling protective cover for an open gear, characterized in that: The invention comprises a gear and a protective cover arranged on the outer side of the gear, the protective cover is provided with a fixed baffle and a movable baffle, the fixed baffle is fixedly installed on one side of the protective cover, the movable baffle is movably connected with the other side of the protective cover, the movable baffle has a mounting surface arranged on the movable baffle for matching installation and a shielding surface located below the mounting surface for shielding the gear, the mounting surface is provided with a double hook groove, two pin shafts are installed on the end surface of the protective cover, when the movable baffle is rotated, the double hook grooves correspondingly hook the corresponding pin shafts, the two pin shafts are matched with fixing parts outside, the double hook grooves are divided into a left hook groove and a right hook groove, the notch directions of the left hook groove and the right hook groove are arranged in opposite directions to form an upward The movable baffle is fastened by the threaded pin through the loose nut. The cross-sections of the upward and downward notches are V-shaped, and the depth of the downward notch is greater than the depth of the upward notch. The gear has at least two meshing transmission wheels, and an opening is formed at the meshing position of the two transmission wheels. The fixed baffle and the movable baffle are installed in the opening and block to form a sealed space. The pin is divided into a first pin and a second pin. The notch direction of the left hook groove is an upward notch, and the notch direction of the right hook groove is a downward notch, wherein the connection between the movable baffle and the protective cover is located on the adjacent side of the left hook groove.

2. The side oiling protective cover for an open gear according to claim 1, characterized in that: The movable baffle and the protective cover are movably connected in the following manner: connected by a link.

3. The side oiling protective cover for an open gear according to claim 1, characterized in that: The movable baffle and the protective cover are movably connected in the following manner: the protective cover is provided with a matching installation hole, a mounting shaft column is installed on the protective cover, the mounting shaft column extends into the matching installation hole and is fixed by a cotter pin.

4. The side oiling protective cover for an open gear according to claim 1, characterized in that: The movable baffle is provided with a handle.

5. The side oiling protective cover for an open gear according to claim 1, characterized in that: The mounting surface and the shielding surface are integrally formed.

6. The side oiling protective cover for an open gear according to claim 1, characterized in that: The protective cover, the fixed baffle and the movable baffle are made of metal material.

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