Speed reducer with dustproof mechanism

Abstract

The utility model relates to the technical field of speed reducers, and discloses a speed reducer with a dustproof mechanism, which comprises a speed reducer body, a bottom box and a bottom plate, the dustproof mechanism is arranged on the speed reducer body, and a damping mechanism is arranged in the bottom box. Through the arrangement of the dustproof cover, dust can be effectively prevented from directly falling on the speed reducer body, a dustproof filter screen can effectively prevent the dust from entering the speed reducer body, and when the dustproof filter screen needs to be detached and cleaned, a wedge-shaped clamping block retracts to move and is disconnected from a clamping hole in an inserting block by pulling a connecting block; and then the connecting ring is pulled out to finish the disassembly. When the speed reducer body works, a fixing block on a bottom plate can slide on a sliding rod in a shell, vibration generated when the speed reducer body works can be buffered to a certain degree under elastic buffering of a second spring and a third spring, and meanwhile under cooperation of a damping shock absorber, shock absorption and noise reduction can be fully conducted on the speed reducer body.

Description

Technical Field

[0001] The utility model relates to the technical field of reducers, in particular to a reducer with a dustproof mechanism. Background Art

[0002] A reducer is an independent component consisting of a gear transmission, a worm transmission, or a gear-worm transmission enclosed in a rigid housing. It is often used as a reduction transmission device between the prime mover and the working machine. Although there are many types of reducers, they still cannot meet the needs of users.

[0003] The Chinese patent provides a reducer with a dustproof structure, the publication number is CN213899807U, including a reducer body, a load-bearing platform is arranged at the lower left end of the reducer body, the lower end of the load-bearing platform is connected to a lower shell, the left and right sides of the lower shell are connected to the upper shell directly above by a first fastening bolt and a matching nut, the right end of the reducer body is connected to the dustproof cover by a second fastening bolt and a matching nut, a heat dissipation port is opened on the left side of one side of the lower shell, and a dustproof net is arranged at the heat dissipation port.

[0004] The above-mentioned reducer achieves good dust-proof effect by setting an upper shell, a lower shell, a dust seal, a heat dissipation port and a dust-proof net. However, there is a problem that the dust-proof net is not easy to remove. After the reducer has been working for a long time, a large amount of dust is easily accumulated on the dust-proof net. If it is not disassembled, cleaned or replaced in time, it is easy to affect the heat dissipation and dust-proof effect of the reducer. Therefore, it is necessary to provide a reducer with a dust-proof mechanism. Utility Model Content

[0005] The purpose of the utility model is to provide a reducer with a dustproof mechanism to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a reducer with a dustproof mechanism, comprising a reducer body, a bottom box and a bottom plate, the reducer body is provided with a dustproof mechanism, and the bottom box is provided with a shock absorbing mechanism; the dustproof mechanism comprises a dust cover, a plug plate is fixedly provided at the bottom end of the dust cover, the plug plate is plugged with the bottom box, fixing holes are provided on the plug plate and the bottom box, and fixing bolts are threadedly connected in the fixing holes; the dustproof mechanism also comprises a fixing ring and a connecting ring, a dustproof filter is fixedly provided in the connecting ring, and one end of the connecting ring close to the fixing ring is fixedly provided There is an insert block, a card hole is provided on the insert block, a slot adapted to the insert block is provided on the fixing ring, a mounting tube is fixedly provided on the fixing ring, a slider is slidably connected in the mounting tube, a wedge-shaped card block is fixedly provided at the bottom end of the slider, the wedge-shaped card block slides through the mounting tube and is engaged with the card hole, a guide rod is fixedly provided on the slider, and a first spring is sleeved on the guide rod; the shock absorbing mechanism includes a fixed block and a shell, the fixed block is slidably connected to the shell, a sliding rod is fixedly provided in the shell, the fixed block is slidably connected to the sliding rod, and a second spring and a third spring are respectively sleeved on the sliding rod.

[0007] Preferably, the dust cover is provided with ventilation holes for ventilation and heat dissipation of the reducer body, and the dust cover is provided with an avoidance groove for avoiding the output shaft of the reducer body.

[0008] Preferably, the fixing ring is fixedly arranged at one end of the ventilation and heat dissipation port of the reducer body, the first spring is fixedly arranged between the slider and the mounting tube, and the guide rod slides through the mounting tube and is fixedly connected with a connecting block.

[0009] Preferably, the fixed block is fixedly arranged on the bottom plate, the shell is fixedly arranged in the bottom box, the second spring is arranged above the fixed block and fixedly arranged between the fixed block and the shell, and the third spring is arranged below the fixed block and fixedly arranged between the fixed block and the shell.

[0010] Preferably, a damping shock absorber is fixedly arranged at the bottom end of the bottom plate, and the damping shock absorber is fixedly arranged in the bottom box.

[0011] Preferably, the reducer body is fixedly arranged on a bottom plate, the bottom plate is arranged in a bottom box, both ends of the bottom box are fixedly arranged with mounting plates, and mounting holes are opened on the mounting plates.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1) The reducer with a dustproof mechanism can effectively prevent dust from falling directly on the reducer body by setting a dustproof cover. When the reducer body is working, the dustproof filter arranged at the ventilation and heat dissipation port of the reducer body can effectively prevent dust from entering the interior of the reducer body. When the dustproof filter needs to be disassembled for cleaning, the dustproof cover is removed, and then the connecting block is pulled to make the guide rod drive the wedge-shaped block to retract and move through the slider, and the wedge-shaped block is disconnected from the card hole on the plug block, and then the connecting ring is pulled out and separated from the fixing ring, and the dustproof filter can be disassembled, which is convenient for cleaning the dustproof filter.

[0014] 2) The reducer with dust-proof mechanism, when the reducer body is working, the bottom plate will vibrate along with the reducer body, and the fixed block on the bottom plate will slide on the slide rod in the shell. Under the elastic buffering of the second spring and the third spring, the vibration generated by the reducer body when working can be buffered to a certain extent. At the same time, with the cooperation of the damping shock absorber, the reducer body can be fully damped and noise reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the reducer with dust-proof mechanism of the utility model;

[0016] Figure 2 This is a bottom view of the three-dimensional structure of the dust cover of the utility model;

[0017] Figure 3 It is a three-dimensional structural schematic diagram of the bottom box of the utility model;

[0018] Figure 4 It is a cross-sectional structural schematic diagram of the bottom box of the utility model;

[0019] Figure 5 For this utility model Figure 4 A magnified view of the structure at center A;

[0020] Figure 6 For this utility model Figure 4 A magnified view of the structure at point B.

[0021] In the figure: 1. reducer body; 2. bottom box; 3. bottom plate; 4. mounting plate; 5. mounting hole; 6. dustproof mechanism; 601. dust cover; 602. plug plate; 603. vent; 604. avoidance groove; 605. fixing hole; 606. fixing bolt; 607. fixing ring; 608. connecting ring; 609. dust filter; 610. plug block; 611. card hole; 612. slot; 613. mounting cylinder; 614. slider; 615. wedge-shaped card block; 616. guide rod; 617. first spring; 618. connecting block; 7. shock absorbing mechanism; 701. fixing block; 702. housing; 703. slide bar; 704. second spring; 705. third spring; 706. damping shock absorber. DETAILED DESCRIPTION

[0022] 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.

[0023] Combination Figure 1-Figure 6 A reducer with a dustproof mechanism comprises a reducer body 1, a bottom box 2 and a bottom plate 3. The reducer body 1 is fixedly arranged on the bottom plate 3, the bottom plate 3 is arranged in the bottom box 2, mounting plates 4 are fixedly arranged at both ends of the bottom box 2, mounting holes 5 are opened on the mounting plates 4, a dustproof mechanism 6 is arranged on the reducer body 1, and a shock absorbing mechanism 7 is arranged in the bottom box 2.

[0024] See also Figure 2-Figure 5, it is further obtained that the dustproof mechanism 6 includes a dust cover 601, a plug plate 602 is fixedly provided at the bottom end of the dust cover 601, the plug plate 602 is plugged with the bottom box 2, and fixing holes 605 are provided on the plug plate 602 and the bottom box 2, and the fixing holes 605 are threadedly connected with fixing bolts 606; the dustproof mechanism 6 also includes a fixing ring 607 and a connecting ring 608, a dust filter 609 is fixedly provided in the connecting ring 608, an insert block 610 is fixedly provided at one end of the connecting ring 608 close to the fixing ring 607, a clamping hole 611 is provided on the insert block 610, a slot 612 adapted to the insert block 610 is provided on the fixing ring 607, a mounting tube 613 is fixedly provided on the fixing ring 607, and a sliding screw 613 is provided inside the mounting tube 613 A slider 614 is dynamically connected, a wedge-shaped block 615 is fixedly provided at the bottom end of the slider 614, the wedge-shaped block 615 slides through the mounting tube 613 and is engaged with the clamping hole 611, a guide rod 616 is fixedly provided on the slider 614, and a first spring 617 is sleeved on the guide rod 616; a vent 603 for ventilation and heat dissipation of the reducer body 1 is provided on the dust cover 601, and a avoidance groove 604 for avoiding the output shaft of the reducer body 1 is provided on the dust cover 601, a fixing ring 607 is fixedly provided at one end of the ventilation and heat dissipation port of the reducer body 1, a first spring 617 is fixedly provided between the slider 614 and the mounting tube 613, and the guide rod 616 slides through the mounting tube 613 and is fixedly connected with a connecting block 618.

[0025] See also Figure 4 and Figure 6 , it is further obtained that the shock absorbing mechanism 7 includes a fixed block 701 and a shell 702, the fixed block 701 is slidably connected to the shell 702, a sliding rod 703 is fixedly arranged in the shell 702, the fixed block 701 is slidably connected to the sliding rod 703, a second spring 704 and a third spring 705 are respectively sleeved on the sliding rod 703, the fixed block 701 is fixedly arranged on the bottom plate 3, the shell 702 is fixedly arranged in the bottom box 2, the second spring 704 is arranged above the fixed block 701 and fixedly arranged between the fixed block 701 and the shell 702, the third spring 705 is arranged below the fixed block 701 and fixedly arranged between the fixed block 701 and the shell 702, a damping shock absorber 706 is fixedly arranged at the bottom end of the bottom plate 3, and the damping shock absorber 706 is fixedly arranged in the bottom box 2.

[0026] During the actual operation, the reducer body 1 is installed at the designated position through the mounting plate 4, the plug plate 602 at the bottom of the dust cover 601 is inserted into the bottom box 2, and then the dust cover 601 is fixed with the fixing bolts 606 in conjunction with the plug plate 602 and the fixing holes 605 on the bottom box 2. The dust cover 601 can effectively prevent dust from falling directly on the reducer body 1. When the reducer body 1 is working, the dust filter 609 arranged at the ventilation and heat dissipation port of the reducer body 1 can effectively prevent dust from entering the reducer body. Inside the body 1, when the dust filter 609 needs to be disassembled for cleaning, the dust cover 601 is first removed by removing the fixing bolts 606, and then the guide rod 616 drives the wedge-shaped block 615 to retract through the slider 614 by pulling the connecting block 618, and the wedge-shaped block 615 is disconnected from the card hole 611 on the plug block 610, and then the connecting ring 608 is pulled out and separated from the fixing ring 607, and the dust filter 609 can be disassembled, which is convenient for cleaning the dust filter 609;

[0027] When the reducer body 1 is working, the base plate 3 will vibrate along with the reducer body 1, and the fixed block 701 on the base plate 3 will slide on the slide rod 703 in the shell 702. Under the elastic buffering of the second spring 704 and the third spring 705, the vibration generated by the reducer body 1 when working can be buffered to a certain extent. At the same time, with the cooperation of the damping shock absorber 706, the reducer body 1 can be fully damped and noise-reduced.

[0028] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A reducer with a dustproof mechanism, comprising a reducer body (1), a bottom box (2) and a bottom plate (3), characterized in that: The reducer body (1) is provided with a dustproof mechanism (6), and the bottom box (2) is provided with a shock absorbing mechanism (7); The dustproof mechanism (6) comprises a dustproof cover (601), a plug plate (602) is fixedly provided at the bottom end of the dustproof cover (601), the plug plate (602) is plugged into the bottom box (2), a fixing hole (605) is provided on the plug plate (602) and the bottom box (2), and a fixing bolt (606) is connected to the inner thread of the fixing hole (605); The dustproof mechanism (6) further comprises a fixing ring (607) and a connecting ring (608), wherein a dustproof filter (609) is fixedly arranged in the connecting ring (608), an insert block (610) is fixedly arranged at one end of the connecting ring (608) close to the fixing ring (607), a clamping hole (611) is provided on the insert block (610), and a slot (612) adapted to the insert block (610) is provided on the fixing ring (607). (607) is fixedly provided with a mounting tube (613), a slider (614) is slidably connected in the mounting tube (613), a wedge-shaped clamping block (615) is fixedly provided at the bottom end of the slider (614), the wedge-shaped clamping block (615) slides through the mounting tube (613) and is clamped with the clamping hole (611), a guide rod (616) is fixedly provided on the slider (614), and a first spring (617) is sleeved on the guide rod (616); The shock absorbing mechanism (7) comprises a fixed block (701) and a shell (702); the fixed block (701) is slidably connected to the shell (702); a sliding rod (703) is fixedly arranged in the shell (702); the fixed block (701) is slidably connected to the sliding rod (703); and a second spring (704) and a third spring (705) are respectively sleeved on the sliding rod (703).

2. A reducer with a dustproof mechanism according to claim 1, characterized in that: The dust cover (601) is provided with a ventilating opening (603) for ventilating and cooling the reducer body (1), and the dust cover (601) is provided with an avoidance groove (604) for avoiding the output shaft of the reducer body (1).

3. A reducer with a dustproof mechanism according to claim 1, characterized in that: The fixing ring (607) is fixedly arranged at one end of the ventilation and heat dissipation port of the reducer body (1); the first spring (617) is fixedly arranged between the slider (614) and the mounting tube (613); the guide rod (616) slides through the mounting tube (613) and is fixedly connected to a connecting block (618).

4. A reducer with a dustproof mechanism according to claim 1, characterized in that: The fixed block (701) is fixedly arranged on the bottom plate (3), the shell (702) is fixedly arranged in the bottom box (2), the second spring (704) is arranged above the fixed block (701) and fixedly arranged between the fixed block (701) and the shell (702), and the third spring (705) is arranged below the fixed block (701) and fixedly arranged between the fixed block (701) and the shell (702).

5. The reducer with dust-proof mechanism according to claim 1, characterized in that: A damping shock absorber (706) is fixedly arranged at the bottom end of the bottom plate (3), and the damping shock absorber (706) is fixedly arranged in the bottom box (2).

6. The reducer with dust-proof mechanism according to claim 1, characterized in that: The reducer body (1) is fixedly arranged on a bottom plate (3), the bottom plate (3) is arranged in a bottom box (2), both ends of the bottom box (2) are fixedly arranged with mounting plates (4), and mounting holes (5) are provided on the mounting plates (4).

Images