CN210068861U

CN210068861U - Worm gear reducer

Info

Publication number: CN210068861U
Application number: CN201920722011.9U
Authority: CN
Inventors: 沈士芳; 曹春红
Original assignee: Jiangsu Dimai Machinery Co Ltd
Current assignee: Jiangsu Dimai Machinery Co Ltd
Priority date: 2019-05-20
Filing date: 2019-05-20
Publication date: 2020-02-14
Anticipated expiration: 2029-05-20

Abstract

The utility model discloses a worm and gear speed reducer, which belongs to the technical field of speed reducers and comprises a box body, a worm, a rotating shaft and a worm wheel, wherein the right end of the box body is provided with a first shaft hole, the worm is rotationally connected with the left inner wall of the box body, the right end of the worm penetrates through the first shaft hole, the front end of the box body is provided with a second shaft hole, the rotating shaft is rotationally connected with the rear inner wall of the box body, the front end of the rotating shaft penetrates through the second shaft hole, the circumferential surface of the rotating shaft is fixedly connected with the worm wheel, the worm wheel is partially meshed with the worm, the upper part and the lower part of the right end of the box body are fixedly connected with mounting blocks, one ends of the pair of mounting blocks, which are close to each other, are respectively provided with a sliding groove, a sliding block is connected between the pair of sliding grooves, the left end of the sliding block, threaded connection has the nut on the first screw, the installation and dismantlement of being convenient for, and is rational in infrastructure, and the practicality is strong.

Description

Worm gear reducer

Technical Field

The utility model relates to a reduction gear technical field, more specifically say, relate to worm gear reduction gear.

Background

The worm gear reducer is a power transmission mechanism, which uses a speed converter of a gear to reduce the revolution number of a motor to a required revolution number and obtain a large torque.

In the prior art, the output end of the motor and the output shaft of the worm gear reducer are generally fixed in a fixed welding mode, and meanwhile, the motor is also fixed in a fixed welding mode, so that the motor is inconvenient to install and disassemble.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a worm gear reduction gear, it is convenient for install and dismantle, and is rational in infrastructure, and the practicality is strong.

2. Technical scheme

In order to solve the above problem, the utility model adopts the following technical scheme:

the worm and gear reducer comprises a box body, a worm, a rotating shaft and a worm gear, wherein a first shaft hole is formed in the right end of the box body, the worm is rotatably connected to the left inner wall of the box body, the right end of the worm penetrates through the first shaft hole, a second shaft hole is formed in the front end of the box body, the rotating shaft is rotatably connected to the rear inner wall of the box body, the front end of the rotating shaft penetrates through the second shaft hole, the worm gear is fixedly connected to the circumferential surface of the rotating shaft and is meshed with part of the worm, mounting blocks are fixedly connected to the upper portion and the lower portion of the right end of the box body, sliding grooves are formed in the ends, close to the mounting blocks, of a pair of the sliding grooves, a sliding block is connected between the sliding grooves in a sliding mode, a damping seat is connected to the left end of the sliding block, second screw holes are formed in the four corners of the left end of, the utility model discloses a shock absorber, including first screw, worm, first screw, second screw, nut, and nut, the left end fixedly connected with motor of shock absorber, the output fixedly connected with connecting block of motor, the left end of connecting block is connected with the U-shaped piece, and the connecting block is located the U-shaped piece, U-shaped piece and worm fixed connection, one pair of internal thread groove has all been seted up at the upper and lower both ends of connecting block, a pair of third screw has all been seted up at the upper and lower both ends of U-shaped piece, threaded connection has the second screw between third screw and the internal thread groove, and be convenient for installation and dismantlement are rational in infrastructure.

Furthermore, the opening of the U-shaped block faces to the right, and the connecting block is matched with the opening of the U-shaped block.

Further, a fastening washer is connected to the second screw in a threaded mode, and therefore fixing is more tight.

Furthermore, the inner wall of the sliding groove is polished smoothly, and the sliding is smoother.

Furthermore, the positions of the four first screw holes are in one-to-one correspondence with the positions of the four second screw holes respectively, and the diameters of the first screw holes are matched with the diameters of the second screw holes.

Furthermore, the positions of the four third screw holes are in one-to-one correspondence with the positions of the four internal thread grooves respectively, and the diameters of the third screw holes are matched with the diameters of the internal thread grooves.

Furthermore, the axis of the output end of the motor and the axis of the right end of the worm are in the same horizontal position.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) this scheme is installed through first screw and nut between shock attenuation seat and the slider, is convenient for install and dismantle.

(2) Through the installation of second screw and fastening washer between this scheme connecting block and the U-shaped piece, the installation effect is better, is convenient for install simultaneously and dismantles.

(3) Through the setting of shock attenuation seat, effectively reduced the vibrations of motor during operation.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure at A in FIG. 1;

FIG. 3 is a schematic view of the structure at B in FIG. 1;

fig. 4 is a front view of the present invention.

The reference numbers in the figures illustrate:

the device comprises a box body 1, a first shaft hole 2, a worm 3, a rotating shaft 4, a worm wheel 5, an installation block 6, a sliding groove 7, a sliding block 8, a shock absorption seat 9, a first screw hole 10, a second screw hole 11, a first screw 12, a nut 13, a motor 14, a connecting block 15, a U-shaped block 16, a third screw hole 17, an inner thread groove 18, a second screw 19, a fastening washer 20 and a second shaft hole 21.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to fig. 1-4, the worm gear reducer includes a case 1, a worm 3, a rotating shaft 4 and a worm wheel 5, wherein a first shaft hole 2 is formed at a right end of the case 1, the worm 3 is rotatably connected to a left inner wall of the case 1, the right end of the worm 3 penetrates through the first shaft hole 2, a second shaft hole 21 is formed at a front end of the case 1, the rotating shaft 4 is rotatably connected to a rear inner wall of the case 1, the front end of the rotating shaft 4 penetrates through the second shaft hole 21, the worm wheel 5 is fixedly connected to a circumferential surface of the rotating shaft 4, and the worm wheel 5 is partially meshed with the worm 3, which is a known technology of a person skilled in the art, and therefore;

the upper part and the lower part of the right end of the box body 1 are fixedly connected with installation blocks 6, the pair of installation blocks 6 play an installation role, one ends of the pair of installation blocks 6 close to each other are respectively provided with a sliding groove 7, a sliding block 8 is connected between the pair of sliding grooves 7 in a sliding way, the sliding groove 7 can slide out of the pair of sliding grooves 7, the inner wall of the sliding groove 7 is polished smooth and slides more smoothly, the left end of the sliding block 8 is connected with a shock absorption seat 9, the four corners of the left end of the shock absorption seat 9 are respectively provided with a second screw hole 11, the left end of the sliding block 8 is provided with four first screw holes 10, the positions of the four first screw holes 10 are respectively in one-to-one correspondence with the positions of the four second screw holes 11, the diameters of the first screw holes 10 are matched with the diameters of the second screw holes 11, a first screw 12 is in threaded connection between the first screw holes 10 and the, the first screws 12 are screwed up, then the nuts 13 are screwed down, according to the operation, the four first screws 12 and the four nuts 13 are respectively installed at the tightest positions, and when the first screws 12 are dismounted, the nuts 13 are firstly screwed down, then the first screws 12 are screwed down, and the four first screws 12 and the four nuts 13 are respectively dismounted;

a motor 14 is fixedly connected with the left end of the shock absorption seat 9, the motor 14 plays a driving role, the output end of the motor 14 is fixedly connected with a connecting block 15, the left end of the connecting block 15 is connected with a U-shaped block 16, the connecting block 15 is positioned in the U-shaped block 16, the opening of the U-shaped block 16 is towards the right, the connecting block 15 is matched with the opening of the U-shaped block 16, the U-shaped block 16 is fixedly connected with the worm 3, the axis of the output end of the motor 14 and the axis of the right end of the worm 3 are positioned at the same horizontal position, the upper end and the lower end of the connecting block 15 are both provided with an inner thread groove 18, the upper end and the lower end of the U-shaped block 16 are both provided with a pair of third screw holes 17, the positions of the four third screw holes 17 are respectively corresponding to the positions of the four inner thread grooves 18, the diameters of the third screw holes, the fixing is more tight, during the installation, four second screws 19 are screwed up respectively, and the tightening washer 20 can increase the tightness of the installation and fixation.

The working principle is as follows: during the dismantlement, unscrew four second screws 19 in proper order, stimulate slider 8 right, can realize connecting block 15 and the separation of U-shaped piece 16, lift off four nuts 13 again in proper order, unscrew four first screws 12, can realize the separation of slider 8 and cushion socket 9, accomplish the dismantlement, the simple operation, the utility model discloses be convenient for install and dismantle, rational in infrastructure, the practicality is strong.

The above description is only the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the improvement concept of the present invention within the technical scope disclosed in the present invention.

Claims

1. Worm gear reducer, including box (1), worm (3), pivot (4) and worm wheel (5), its characterized in that: the right end of the box body (1) is provided with a first shaft hole (2), the worm (3) is rotatably connected to the left inner wall of the box body (1), the right end of the worm (3) penetrates through the first shaft hole (2), the front end of the box body (1) is provided with a second shaft hole (21), the rotating shaft (4) is rotatably connected to the rear inner wall of the box body (1), the front end of the rotating shaft (4) penetrates through the second shaft hole (21), a worm wheel (5) is fixedly connected to the circumferential surface of the rotating shaft (4), the worm wheel (5) is meshed with the worm (3), the upper part and the lower part of the right end of the box body (1) are fixedly connected with mounting blocks (6), one end, close to each mounting block (6), of each mounting block is provided with a sliding groove (7), a sliding block (8) is slidably connected between the sliding grooves (7), and the left end of the sliding block (8, the left end four corners of the shock absorption seat (9) are respectively provided with a second screw hole (11), the left end of the sliding block (8) is provided with four first screw holes (10), a first screw (12) is in threaded connection between the first screw holes (10) and the second screw holes (11), a nut (13) is in threaded connection with the first screw (12), the nut (13) is located on the left side of the shock absorption seat (9), the left end of the shock absorption seat (9) is fixedly connected with a motor (14), the output end of the motor (14) is fixedly connected with a connecting block (15), the left end of the connecting block (15) is connected with a U-shaped block (16), the connecting block (15) is located in the U-shaped block (16), the U-shaped block (16) is fixedly connected with the worm (3), the upper end and the lower end of the connecting block (15) are respectively provided with an inner threaded groove (18), the upper end and the lower end of the U-shaped block (16) are respectively, and a second screw (19) is in threaded connection between the third screw hole (17) and the internal thread groove (18).

2. The worm gear reducer of claim 1, wherein: the opening of the U-shaped block (16) is towards the right, and the connecting block (15) is matched with the opening of the U-shaped block (16).

3. The worm gear reducer of claim 1, wherein: a fastening washer (20) is connected to the second screw (19) in a threaded manner.

4. The worm gear reducer of claim 1, wherein: the inner wall of the sliding groove (7) is polished smoothly.

5. The worm gear reducer of claim 1, wherein: the positions of the four first screw holes (10) are in one-to-one correspondence with the positions of the four second screw holes (11), and the diameters of the first screw holes (10) are matched with the diameters of the second screw holes (11).

6. The worm gear reducer of claim 1, wherein: the positions of the four third screw holes (17) are in one-to-one correspondence with the positions of the four internal thread grooves (18), and the diameters of the third screw holes (17) are matched with the diameters of the internal thread grooves (18).

7. The worm gear reducer of claim 1, wherein: the axis of the output end of the motor (14) and the axis of the right end of the worm (3) are in the same horizontal position.