Bevel gear

Abstract

The utility model provides a helical gear. The helical gear comprises a fixing assembly, an adjusting assembly and a main body assembly, the fixing assembly comprises a rotating shaft, a first groove, a first telescopic rod, a first spring, a first sliding groove, a first sliding block, a first fixing block and an external thread. A first groove is formed in the outer side wall of the rotating shaft, the outer side wall of the first telescopic rod is fixedly connected to the bottom wall of the inner side of the first groove, a piston rod of the first telescopic rod is fixedly connected to the bottom of the first fixing block, and the outer side wall of the first telescopic rod is sleeved with a first spring; the gear body can be installed on the rotating shaft by pressing the first fixing block into the first groove, the first spring is arranged in the first groove, when pressing of the first fixing block is relieved, the first fixing block pops out of the first groove, the gear body is fixed, and the gear is easy to install and convenient to use. The workload of workers is reduced, and the working efficiency of the workers is improved.

Description

Technical Field

[0001] The utility model relates to a gear, in particular to a helical gear, and belongs to the technical field of mechanical transmission components. Background Art

[0002] As a common power transmission method, gears are widely used in various fields of production and life. Gears have various structural forms and can be classified according to their appearance, tooth line shape, surface where the gear teeth are located, manufacturing method, etc. According to their appearance, they can be divided into cylindrical gears, bevel gears, non-circular gears, racks, worm gears, etc.; according to the shape of the tooth line, they can be divided into spur gears, helical gears, herringbone gears, bevel gears, curved gears, etc.

[0003] A Chinese patent publication (publication number: CN205689715U) discloses a helical gear with a baffle, comprising a helical gear body, the helical gear with a baffle also comprising a baffle, the baffle being an annular structure coaxially arranged with the helical gear body, the diameter of the baffle being larger than the outer diameter of the helical gear body, the baffle being arranged in close contact with the end face of the helical gear body, and the baffle being arranged on the side to which the meshing surface of the helical gear body is biased; the advantage of the helical gear with a baffle of the utility model is that the baffle can exert an axial force on the gear meshed therewith and offset the axial force exerted by the meshing surface, thereby avoiding exerting an axial force on the rotating shaft, and further avoiding damage to the bearing and the shaft seal of the rotating shaft; the utility model is relatively complicated to install when in use, which increases the workload of the staff and affects the work efficiency of the staff, and therefore, a helical gear is proposed. Utility Model Content

[0004] In view of this, the utility model provides a helical gear to solve or alleviate the technical problems existing in the prior art and at least provide a beneficial choice.

[0005] The technical solution of the utility model is implemented as follows: a helical gear comprises a fixing component, an adjusting component and a main body component;

[0006] The fixing assembly includes a rotating shaft, a first groove, a first telescopic rod, a first spring, a first sliding groove, a first sliding block, a first fixing block and an external thread;

[0007] The outer side wall of the rotating shaft is provided with a first groove, the outer side wall of the first telescopic rod is fixedly connected to the inner bottom wall of the first groove, the piston rod of the first telescopic rod is fixedly connected to the bottom of the first fixed block, the outer side wall of the first telescopic rod is sleeved with a first spring, the inner side wall of the first groove is provided with a first sliding groove, one side of the first sliding block is slidably connected to the inside of the first sliding groove, one side of the first sliding block is fixedly connected to one side of the first fixed block, and the outer side wall of the rotating shaft is provided with an external thread.

[0008] Further preferably, the adjustment assembly includes a second slide groove, a second telescopic rod, a second spring, a second slider, a second fixed block and a second groove; a second slide groove is provided on the top of the first fixed block, and the bottom of the second slider is slidably connected to the inside of the second slide groove.

[0009] Further preferably, the outer side wall of the second telescopic rod is fixedly connected to one side of the second sliding groove, and the piston rod of the second telescopic rod is fixedly connected to one side of the second sliding block.

[0010] Further preferably, a second spring is sleeved on an outer side wall of the second telescopic rod, one side of the second sliding block is fixedly connected to one side of the second fixing block, and a second groove is formed on the top of the second fixing block.

[0011] Further preferably, the main body assembly includes a gear body, a mounting tube and an internal thread, and the inner wall of the gear body is fixedly connected to the outer wall of the mounting tube.

[0012] Further preferably, the inner side wall of the mounting tube is provided with an internal thread, and the internal thread and the external thread are adapted to each other.

[0013] The embodiment of the utility model has the following advantages due to the adoption of the above technical solution:

[0014] The utility model can install the gear body on the rotating shaft by pressing the first fixing block into the first groove, and by arranging the first spring in the first groove, when the first fixing block is released from the pressure, the first fixing block pops out from the first groove to fix the gear body. The utility model is simple to install, reduces the workload of the staff, and improves the work efficiency of the staff.

[0015] The above summary is for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the utility model will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present application 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 application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a structural diagram of the utility model;

[0018] Figure 2 This is a structural diagram of the fixed component of the utility model;

[0019] Figure 3 This is a structural diagram of the rotating shaft of the utility model;

[0020] Figure 4 This is a structural diagram of the main components of the utility model;

[0021] Figure 5 For the utility model Figure 2 The structure diagram at A is enlarged;

[0022] Figure 6 For the utility model Figure 3 Enlarged structural diagram at point B in the middle.

[0023] Figure numerals: 101, fixing component; 10, rotating shaft; 11, first groove; 12, first telescopic rod; 13, first spring; 14, first slide groove; 15, first slider; 16, first fixed block; 17, external thread; 201, adjustment component; 20, second slide groove; 21, second telescopic rod; 22, second spring; 23, second slider; 24, second fixed block; 25, second groove; 301, main body component; 30, gear body; 31, mounting tube; 32, internal thread. DETAILED DESCRIPTION

[0024] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0025] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0026] like Figure 1-6 As shown, the embodiment of the utility model provides a helical gear, including a fixing component 101, an adjusting component 201 and a main body component 301;

[0027] The fixing assembly 101 includes a rotating shaft 10, a first groove 11, a first telescopic rod 12, a first spring 13, a first sliding groove 14, a first sliding block 15, a first fixing block 16 and an external thread 17;

[0028] The outer wall of the rotating shaft 10 is provided with a first groove 11, the outer wall of the first telescopic rod 12 is fixedly connected to the inner bottom wall of the first groove 11, the piston rod of the first telescopic rod 12 is fixedly connected to the bottom of the first fixed block 16, the outer wall of the first telescopic rod 12 is sleeved with a first spring 13, the inner wall of the first groove 11 is provided with a first slide groove 14, one side of the first slider 15 is slidably connected to the inside of the first slide groove 14, one side of the first slider 15 is fixedly connected to one side of the first fixed block 16, and the outer wall of the rotating shaft 10 is provided with an external thread 17.

[0029] In one embodiment, the adjustment component 201 includes a second slide groove 20, a second telescopic rod 21, a second spring 22, a second slider 23, a second fixed block 24 and a second groove 25; the top of the first fixed block 16 is provided with a second slide groove 20, and the bottom of the second slider 23 is slidably connected to the inside of the second slide groove 20. The second slide groove 20 is fixed by the setting of the first fixed block 16.

[0030] In one embodiment, the outer wall of the second telescopic rod 21 is fixedly connected to one side of the second slide groove 20, and the piston rod of the second telescopic rod 21 is fixedly connected to one side of the second slider 23. The second slide groove 20 is set to fix the second telescopic rod 21, and the second slider 23 is fixed to the second telescopic rod 21.

[0031] In one embodiment, the outer wall of the second telescopic rod 21 is sleeved with a second spring 22, one side of the second sliding block 23 is fixedly connected to one side of the second fixing block 24, and a second groove 25 is provided on the top of the second fixing block 24. The second spring 22 is fixed by the setting of the second telescopic rod 21, the second fixing block 24 is fixed by the setting of the second sliding block 23, and an anti-slip effect is achieved by the setting of the second groove 25.

[0032] In one embodiment, the main body component 301 includes a gear body 30, a mounting tube 31 and an internal thread 32. The inner wall of the gear body 30 is fixedly connected to the outer wall of the mounting tube 31. The mounting tube 31 is provided to fix the gear body 30.

[0033] In one embodiment, an inner wall of the mounting tube 31 is provided with an internal thread 32 , and the internal thread 32 and the external thread 17 are adapted to each other. Through the arrangement of the internal thread 32 and the external thread 17 , the gear body 30 can be quickly installed on the rotating shaft 10 .

[0034] When the utility model is working: first, the second sliding block 23 is pushed to drive the second fixing block 24 to move, so that the second sliding block 23 squeezes the second spring 22, and the first fixing block 16 is pressed to squeeze the first spring 13, so that the first fixing block 16 is retracted into the first groove 11, and the reverse thrust generated by the second spring 22 prevents the first fixing block 16 from being ejected by the first spring 13. At this time, the gear body 30 is installed on the external thread 17 of the rotating shaft 10 through the internal thread 32 of the mounting tube 31, and the second sliding block 23 is pushed again to drive the second fixing block 24 to move, so that the second fixing block 24 leaves the inner side wall of the second sliding groove 20, and the first fixing block 16 pops out from the first groove 11, and the installed gear body 30 is limited to prevent the gear body 30 from shaking and falling off, thereby reducing the workload of the staff and improving the installation efficiency.

[0035] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of various changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A helical gear, characterized in that: It comprises a fixing component (101), an adjusting component (201) and a main body component (301); The fixing assembly (101) comprises a rotating shaft (10), a first groove (11), a first telescopic rod (12), a first spring (13), a first sliding groove (14), a first sliding block (15), a first fixing block (16) and an external thread (17); The outer wall of the rotating shaft (10) is provided with a first groove (11), the outer wall of the first telescopic rod (12) is fixedly connected to the inner bottom wall of the first groove (11), the piston rod of the first telescopic rod (12) is fixedly connected to the bottom of the first fixed block (16), the outer wall of the first telescopic rod (12) is sleeved with a first spring (13), the inner wall of the first groove (11) is provided with a first sliding groove (14), one side of the first sliding block (15) is slidably connected to the inside of the first sliding groove (14), one side of the first sliding block (15) is fixedly connected to one side of the first fixed block (16), and the outer wall of the rotating shaft (10) is provided with an external thread (17).

2. A helical gear according to claim 1, characterized in that: The adjustment component (201) comprises a second slide groove (20), a second telescopic rod (21), a second spring (22), a second slider (23), a second fixed block (24) and a second groove (25); the top of the first fixed block (16) is provided with a second slide groove (20), and the bottom of the second slider (23) is slidably connected to the inside of the second slide groove (20).

3. A helical gear according to claim 2, characterized in that: The outer side wall of the second telescopic rod (21) is fixedly connected to one side of the second sliding groove (20), and the piston rod of the second telescopic rod (21) is fixedly connected to one side of the second sliding block (23).

4. A helical gear according to claim 3, characterized in that: A second spring (22) is sleeved on the outer wall of the second telescopic rod (21); one side of the second sliding block (23) is fixedly connected to one side of the second fixing block (24); and a second groove (25) is formed on the top of the second fixing block (24).

5. A helical gear according to claim 2, characterized in that: The main body component (301) comprises a gear body (30), a mounting tube (31) and an internal thread (32); the inner side wall of the gear body (30) is fixedly connected to the outer side wall of the mounting tube (31).

6. A helical gear according to claim 5, characterized in that: The inner wall of the mounting tube (31) is provided with an internal thread (32), and the internal thread (32) and the external thread (17) are adapted to each other.

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