Protection device for micro gear motor

Abstract

The utility model belongs to the technical field of gear motors, and particularly relates to a protection device for a miniature gear motor, which comprises a base, a supporting seat is fixedly arranged on the inner wall of the bottom of the base, a gear motor body is arranged at the top of the supporting seat, and a plurality of slots are arranged at the top of the base. According to the utility model, through the arrangement of the insertion plate, the storage hole, the spring, the arc-shaped groove and the insertion groove, after a motor is placed on the supporting seat, a plurality of ejector rods are extruded, the ejector rods extrude the guide plate and the spring, when one end, far away from the guide plate, of each ejector rod is attached to the inner wall of the arc-shaped groove, the ejector rods are loosened, the upper cover is pressed downwards, the upper cover drives the insertion plate, and then the insertion plate drives the ejector rods to move; when the ejector rod moves to the position of the positioning hole, the ejector rod is pushed by the spring and pops out of the positioning hole, the upper cover is installed and positioned, the upper cover is rapidly installed on the top of the base, the gear motor body can be protected, the gear motor body can be prevented from being corroded by rainwater or collided by external foreign matter, and the service life of the motor is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of reduction motors, in particular to a protection device for micro reduction motors. Background Art

[0002] Micro reduction motor is a closed transmission reduction device driven by a micro motor, which is a combination of a reducer and a motor. It is mainly used to reduce the speed and increase the torque to meet the needs of the mechanical work of the supporting equipment. Maichuan provides a complete set of solutions for micro reduction motors, which are suitable for supporting projects.

[0003] However, in the existing equipment, since the outside of the reduction motor has no protective structure, the reduction motor exposed to the outside for a long time is easily corroded by rain or hit by foreign objects from the outside, causing damage to the equipment. Therefore, a protective device for a micro reduction motor is proposed. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a protection device for a micro reduction motor.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a protective device for a micro reduction motor, comprising a base, a support seat is fixedly provided on the bottom inner wall of the base, a reduction motor body is provided on the top of the support seat, a plurality of slots are provided on the top of the base, an arc groove is provided on the inner wall of one side of the slot, a positioning hole is provided on the arc groove, an upper cover is movably provided on the top of the base, limiting grooves are provided on the inner walls on both sides of the upper cover, a locking structure is provided on the bottom of the upper cover, and an extrusion structure is provided on the top inner wall of the upper cover.

[0006] As a further description of the above technical solution:

[0007] The locking structure includes an insert plate fixedly mounted on the upper cover, a storage hole is provided on one side of the insert plate, a spring is fixed in the storage hole, a guide plate is fixed on one end of the spring, a push rod is fixed on one side of the guide plate, and the push rod is matched with the positioning hole.

[0008] As a further description of the above technical solution:

[0009] The extrusion structure includes a threaded rod movably connected to the inner wall of the top of the upper cover, a pressure plate movably provided at the bottom of the threaded rod, connecting rods are fixedly provided on both sides of the pressure plate, and sliders are fixedly provided at the ends of the two connecting rods that are away from each other, and the two sliders are movably connected to the two limit grooves respectively.

[0010] As a further description of the above technical solution:

[0011] A guide block is fixedly arranged on the top of the pressure plate, a groove is arranged on the top of the guide block, a bearing is fixedly arranged in the groove, and an inner ring of the bearing is fixedly sleeved on the threaded rod.

[0012] As a further description of the above technical solution:

[0013] A circular hole is arranged on the inner wall of the top of the upper cover, and a thread is arranged on the inner wall of the circular hole. The threaded rod is matched with the thread on the inner wall of the circular hole.

[0014] As a further description of the above technical solution:

[0015] A plurality of ventilation holes are arranged on the inner wall of one side of the base and the upper cover, and a stainless steel filter screen is arranged in each of the plurality of ventilation holes.

[0016] The utility model has the following beneficial effects:

[0017] 1. Compared with the prior art, the protective device for the micro reduction motor is provided with a plug plate, a storage hole, a spring, a guide plate, a push rod, an arc groove and a slot, and then the motor is placed on the support seat, and a plurality of push rods are squeezed. The push rods squeeze the guide plate and the spring. When the end of the push rod away from the guide plate is in contact with the inner wall of the arc groove, the push rod is released and the upper cover is pressed downward. The upper cover drives the plug plate, and the plug plate drives the push rod to move. When the push rod moves to the position of the positioning hole, it is pushed by the spring and the push rod pops out of the positioning hole to realize the installation and positioning of the upper cover. The upper cover is quickly installed on the top of the base, which can realize the protection of the reduction motor body, prevent the reduction motor body from being corroded by rain or hit by foreign objects from the outside, and extend the service life of the motor.

[0018] 2. Compared with the prior art, the protective device for the micro reduction motor is provided with a threaded rod, a pressure plate, a guide block, a connecting rod and a slider. After the upper cover is installed, the threaded rod is rotated, and the threaded rod drives the pressure plate to move downward, and the pressure plate drives the connecting rod, and the connecting rod drives the slider. The slider moves up and down in the limit groove. When the pressure plate fits with the outside of the reduction motor body, the reduction motor body is fixed, replacing the traditional bolt fixing mode, which can improve the convenience of disassembly and assembly of the reduction motor and facilitate subsequent maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a three-dimensional structural schematic diagram of a protective device for a micro reduction motor proposed by the utility model;

[0020] Figure 2 A schematic diagram of the side section structure of a protection device for a micro reduction motor proposed by the utility model;

[0021] Figure 3 This is a three-dimensional structural schematic diagram of a base in a protective device for a micro-reduction motor proposed by the utility model;

[0022] Figure 4 This is a three-dimensional structural schematic diagram of an upper cover in a protective device for a micro-reduction motor proposed by the utility model;

[0023] Figure 5 It is a three-dimensional schematic diagram of an extrusion structure in a protection device for a micro reduction motor proposed by the utility model;

[0024] Figure 6 The utility model is a schematic diagram of an exploded view of a locking structure in a protective device for a micro reduction motor.

[0025] Legend:

[0026] 1. Base; 2. Support seat; 3. Reducer motor body; 4. Slot; 5. Arc groove; 6. Upper cover; 7. Limiting groove; 8. Locking structure; 801. Insert plate; 802. Storage hole; 803. Spring; 804. Guide plate; 805. Push rod; 9. Extrusion structure; 901. Threaded rod; 902. Press plate; 903. Guide block; 904. Connecting rod; 905. Slider. DETAILED DESCRIPTION

[0027] 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.

[0028] Reference Figures 1 to 6 The utility model provides a protective device for a micro reduction motor: comprising a base 1, a support base 2 is fixedly provided on the bottom inner wall of the base 1, a reduction motor body 3 is provided on the top of the support base 2, a plurality of slots 4 are provided on the top of the base 1, an arc groove 5 is provided on the inner wall of one side of the slot 4, a positioning hole is provided on the arc groove 5, an upper cover 6 is movably provided on the top of the base 1, a plurality of ventilation holes are provided on the inner wall of one side of the base 1 and the upper cover 6, a stainless steel filter is provided in each of the plurality of ventilation holes, and a plurality of air filters are provided on the inner walls on both sides of the upper cover 6. A limiting groove 7 is provided, and a locking structure 8 is provided at the bottom of the upper cover 6. The locking structure 8 includes a plug plate 801 fixedly installed with the upper cover 6. A storage hole 802 is provided on one side of the plug plate 801. A spring 803 is fixedly provided in the storage hole 802. A guide plate 804 is fixedly provided at one end of the spring 803. A push rod 805 is fixedly provided on one side of the guide plate 804. The push rod 805 is adapted to the positioning hole. The setting of the locking structure 8 can facilitate the disassembly and assembly of the upper cover 6. The combination of the base 1 and the upper cover 6 can realize the protection of the reduction motor body 3.

[0029] An extrusion structure 9 is provided on the top inner wall of the upper cover 6, and the extrusion structure 9 includes a threaded rod 901 movably connected to the top inner wall of the upper cover 6, a round hole is provided on the top inner wall of the upper cover 6, and the inner wall of the round hole is provided with a thread, and the threaded rod 901 is adapted to the thread of the inner wall of the round hole, and a pressure plate 902 is movably provided at the bottom of the threaded rod 901, and a guide block 903 is fixedly provided on the top of the pressure plate 902, and a groove is provided on the top of the guide block 903, and a bearing is fixedly provided in the groove, and the inner ring of the bearing is fixedly sleeved on the threaded rod 901, and connecting rods 904 are fixedly provided on both sides of the pressure plate 902, and sliders 905 are fixedly provided at the ends away from each other of the two connecting rods 904, and the two sliders 905 are respectively movably connected to the two limit grooves 7. The setting of the extrusion structure 9 can realize the fixation of the reduction motor body 3, replacing the traditional bolt fixing mode, which is convenient for subsequent disassembly and maintenance.

[0030] Working principle: When in use, first place the reduction motor body 3 on the top of the support seat 2, and then install the upper cover 6 on the top of the base 1, squeeze multiple push rods 805, and the push rods 805 squeeze the guide plate 804 and the spring 803. When the end of the push rod 805 away from the guide plate 804 fits with the inner wall of the arc groove 5, release the push rod 805 and press the upper cover 6 downward. The upper cover 6 drives the plug plate 801, and the plug plate 801 drives the push rod 805 to move. When the push rod 805 moves to the position of the positioning hole, it is pushed by the spring 803 and the push rod 805 pops out of the positioning hole to achieve the upper cover 6. After the upper cover 6 is installed, the threaded rod 901 is rotated, and the threaded rod 901 drives the pressure plate 902 to move downward, and the pressure plate 902 drives the connecting rod 904, and the connecting rod 904 drives the slider 905, and the slider 905 moves up and down in the limiting groove 7. When the pressure plate 902 fits the outside of the reduction motor body 3, the reduction motor body 3 is fixed, and then the rotation of the threaded rod 901 is stopped. The arrangement of the base 1 and the upper cover 6 can protect the reduction motor, prevent the reduction motor body 3 from being corroded by rain or hit by foreign objects from the outside, and extend the service life of the motor.

[0031] 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 protective device for a micro reduction motor, comprising a base (1), characterized in that: A support seat (2) is fixedly provided on the bottom inner wall of the base (1), a reduction motor body (3) is provided on the top of the support seat (2), a plurality of slots (4) are provided on the top of the base (1), an arc-shaped slot (5) is provided on the inner wall of one side of the slot (4), and a positioning hole is provided on the arc-shaped slot (5), an upper cover (6) is movably provided on the top of the base (1), limiting slots (7) are provided on the inner walls of both sides of the upper cover (6), a locking structure (8) is provided on the bottom of the upper cover (6), and an extrusion structure (9) is provided on the inner wall of the top of the upper cover (6).

2. A protection device for a micro reduction motor according to claim 1, characterized in that: The locking structure (8) comprises an insert plate (801) fixedly mounted on the upper cover (6); a storage hole (802) is provided on one side of the insert plate (801); a spring (803) is fixedly provided in the storage hole (802); a guide plate (804) is fixedly provided at one end of the spring (803); a push rod (805) is fixedly provided on one side of the guide plate (804); and the push rod (805) is adapted to the positioning hole.

3. A protection device for a micro reduction motor according to claim 1, characterized in that: The extrusion structure (9) comprises a threaded rod (901) movably connected to the inner wall of the top of the upper cover (6); a pressure plate (902) is movably provided at the bottom of the threaded rod (901); connecting rods (904) are fixedly provided on both sides of the pressure plate (902); sliding blocks (905) are fixedly provided at the ends of the two connecting rods (904) that are away from each other; and the two sliding blocks (905) are movably connected to the two limit grooves (7) respectively.

4. A protection device for a micro reduction motor according to claim 3, characterized in that: A guide block (903) is fixedly provided on the top of the pressure plate (902), a groove is provided on the top of the guide block (903), a bearing is fixedly provided in the groove, and an inner ring of the bearing is fixedly sleeved on the threaded rod (901).

5. A protection device for a micro reduction motor according to claim 3, characterized in that: A circular hole is provided on the inner wall of the top of the upper cover (6), and a thread is provided on the inner wall of the circular hole. The threaded rod (901) is adapted to the thread on the inner wall of the circular hole.

6. A protection device for a micro reduction motor according to claim 1, characterized in that: A plurality of ventilation holes are provided on the inner walls of one side of the base (1) and the upper cover (6), and a stainless steel filter screen is provided in each of the plurality of ventilation holes.

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