CN217108146U

CN217108146U - Worm gear and worm speed reducer with high-performance worm transmission pair

Info

Publication number: CN217108146U
Application number: CN202221181231.3U
Authority: CN
Inventors: 王建飞; 陈丽
Original assignee: Hangzhou Fanyong Transmission Technology Co ltd
Current assignee: Hangzhou Fanyong Transmission Technology Co ltd
Priority date: 2022-05-17
Filing date: 2022-05-17
Publication date: 2022-08-02
Anticipated expiration: 2032-05-17

Abstract

The utility model discloses a worm gear speed reducer with a high-performance worm transmission pair, which comprises a shell, a worm is arranged in the shell, a worm wheel is arranged below the worm, the worm wheel is meshed and connected with the worm, the worm wheel is fixedly sleeved on the rotating rod, the inner wall of the shell and positioned above the worm are fixedly connected with a heat dissipation plate, the upper surface of the heat dissipation plate is provided with a heat dissipation mechanism, the inner walls of the upper side and the lower side of the shell are provided with grooves, the upper and lower side surfaces of the shell are provided with placing grooves corresponding to the slots, the placing grooves are internally provided with dustproof nets, through the arrangement of the heat dissipation mechanism, when the worm rotates, the blades in the heat dissipation mechanism can rotate, and then outside discharging the casing with the heat in the casing, outside cold air gets into in the casing simultaneously to improve the radiating effect of speed reducer, prolonged the life of speed reducer.

Description

Worm gear and worm speed reducer with high-performance worm transmission pair

Technical Field

The utility model relates to a worm gear speed reducer machine technical field, concrete field is a take vice worm gear speed reducer machine of high performance worm transmission.

Background

A worm gear reducer is a power transmission mechanism that uses a speed converter of a gear to reduce the number of revolutions of a motor or a motor to a desired number of revolutions and obtain a large torque, and among mechanisms for transmitting power and motion, the application range of the reducer is quite wide. Because worm wheel and worm are the slip friction drive, consequently can produce higher heat at the rotation in-process, consequently can set up the ventilation hole on the speed reducer, come to ventilate the inside of speed reducer and dispel the heat, and inside in order to make the dust in the air can not get into the speed reducer, consequently all can install the dust screen in the speed reducer, but in long-term the use, the dust screen can be blockked up to accumulational dust on the dust screen, and then influence the flow of air, nevertheless because the dust screen is installed and is difficult to take out the clearance in the speed reducer, and under the condition of the high region of ambient temperature and the long-time use of speed reducer, the ventilation hole on the speed reducer is not enough to reduce the inside temperature of speed reducer, provide a worm gear speed reducer with high performance worm drive pair for this reason.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a take vice worm gear speed reducer of high performance worm transmission to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a worm gear speed reducer with a high-performance worm transmission pair comprises a shell, wherein a worm is arranged in the shell, one end of the worm is rotatably connected to the inner wall of the left side of the shell through a bearing, the other end of the worm extends out of the shell through the bearing, a worm wheel is arranged below the worm and is meshed with the worm, the worm wheel is fixedly sleeved on a rotating rod, one end of the rotating rod is rotatably connected to the inner wall of the rear side of the shell through the bearing, the other end of the rotating rod extends out of the shell through the bearing, a heat dissipation plate is fixedly connected to the inner wall of the shell and positioned above the worm, heat dissipation holes are formed in the heat dissipation plate, a heat dissipation mechanism is arranged on the upper surface of the heat dissipation plate, grooves are formed in the inner walls of the upper side and the lower side of the shell, placement grooves are formed in positions corresponding to the upper side face and the lower side faces of the shell and are communicated with the grooves, the dust screen is arranged in the placing groove, cavities are arranged on the left side and the right side of the placing groove and in the wall body of the shell, and fixing mechanisms are arranged in the cavities.

Preferably, heat dissipation mechanism includes first pivot, the upper surface at the heating panel is connected in the one end of first pivot through the bearing rotation, the other end and the connecting block fixed connection of first pivot, fixedly connected with blade on the connecting block, the right side of first pivot is equipped with the second pivot, the one end of second pivot is passed through the bearing and is rotated the interior upper surface of connection at the casing, the other end of second pivot pass the heating panel through the bearing and with first gear fixed connection, the meshing is connected with the second gear on the first gear, the second gear is fixed to be cup jointed on the worm, all fixed the cup jointing has the drive wheel in first pivot and the second pivot, two the drive wheel passes through transmission chain drive connection.

Preferably, fixed establishment includes the sleeve, sleeve one end fixed connection is on the inner wall of cavity, it is provided with the telescopic link to slide in the sleeve, the one end fixedly connected with movable plate of telescopic link, the other end fixedly connected with spring of telescopic link, the one end of spring is connected with telescopic inner wall, the movable plate is with the corresponding one side fixedly connected with dead lever of dust screen, the one end of dead lever stretches into in the standing groove through the through-hole, the dead lever stretches into the one end in the standing groove and the fixed orifices cooperation joint on the dust screen, the one end of one side fixedly connected with poker rod of movable plate, the other end of poker rod stretch out the casing and with arm-tie fixed connection, the upper and lower both sides face of casing all is equipped with the groove of stirring that supplies poker rod to remove, the groove of stirring communicates with each other with the cavity.

Preferably, the four corners of the lower surface of the shell are fixedly connected with one ends of supporting legs, the other ends of the supporting legs are fixedly connected with the bottom plate, and the lower surface of the bottom plate is provided with a shock pad.

Preferably, the place where the dust screen contacts with the inner wall of the placing groove is provided with a sealing gasket.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a take worm gear speed reducer of high performance worm transmission pair, has following advantage: through the setting of heat dissipation mechanism, when the worm rotates, can make the blade in the heat dissipation mechanism rotate, and then outside the heat discharge casing in with the casing, in the outside cold air entering casing of while, thereby the radiating effect of speed reducer has been improved, the life of speed reducer has been prolonged, through the cooperation between dust screen and the fixed establishment, the installation and the dismantlement of the dust screen of being convenient for, and then the staff of being convenient for clears up it or changes, avoided because being infected with a large amount of dusts on the dust screen and influence the radiating effect.

Drawings

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

FIG. 2 is a schematic sectional view of the front view of the present invention;

fig. 3 is a schematic top sectional view of the present invention;

fig. 4 is a schematic structural view of the fixing mechanism of the present invention;

fig. 5 is an enlarged schematic view of a portion a in fig. 2.

In the figure: 1-shell, 2-worm, 3-worm wheel, 4-rotating rod, 5-heat dissipation plate, 6-heat dissipation hole, 7-open groove, 8-placing groove, 9-dust screen, 10-cavity, 11-first rotating shaft, 12-connecting block, 13-blade, 14-second rotating shaft, 15-first gear, 16-second gear, 17-driving wheel, 18-driving chain, 19-sleeve, 20-telescopic rod, 21-moving plate, 22-spring, 23-fixed rod, 24-through hole, 25-fixed hole, 26-poking rod, 27-pulling plate, 28-poking groove, 29-supporting leg, 30-bottom plate and 31-shock pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a worm gear speed reducer with a high-performance worm transmission pair comprises a shell 1, wherein a worm 2 is arranged in the shell 1, one end of the worm 2 is connected to the inner wall of the left side of the shell 1 in a rotating mode through a bearing, the other end of the worm 2 extends out of the shell 1 through the bearing, a worm wheel 3 is arranged below the worm 2, the worm wheel 3 is meshed with the worm 2 and connected with the rotating rod 4 in a sleeved mode, one end of the rotating rod 4 is connected to the inner wall of the rear side of the shell 1 in a rotating mode through the bearing, the other end of the rotating rod 4 extends out of the shell 1 through the bearing, a heat dissipation plate 5 is fixedly connected to the inner wall of the shell 1 and located above the worm 2, heat dissipation holes 6 are formed in the heat dissipation plate 5, a heat dissipation mechanism is arranged on the upper surface of the heat dissipation plate 5, grooves 7 are formed in the inner walls of the upper side and the lower side of the shell 1, and placement grooves 8 are formed in positions corresponding to the grooves 7, the utility model discloses a dustproof cover, including standing groove 8, standing groove 7, be equipped with dust screen 9 in the standing groove 8, standing groove 8's the left and right sides all is equipped with cavity 10 in and being located the wall body of casing 1, be equipped with fixed establishment in the cavity 10, through the cooperation between dust screen 9 and the fixed establishment, the installation and the dismantlement of the dust screen 9 of being convenient for, and then the staff of being convenient for clears up or changes it, has avoided because being infected with a large amount of dusts on the dust screen 9 and has influenced the radiating effect.

Specifically, the heat dissipation mechanism comprises a first rotating shaft 11, one end of the first rotating shaft 11 is rotatably connected to the upper surface of the heat dissipation plate 5 through a bearing, the other end of the first rotating shaft 11 is fixedly connected with a connecting block 12, a blade 13 is fixedly connected to the connecting block 12, a second rotating shaft 14 is arranged on the right side of the first rotating shaft 11, one end of the second rotating shaft 14 is rotatably connected to the inner upper surface of the housing 1 through a bearing, the other end of the second rotating shaft 14 penetrates through the heat dissipation plate 5 through a bearing and is fixedly connected with a first gear 15, a second gear 16 is meshed and connected to the first gear 15, the second gear 16 is fixedly sleeved on the worm 2, driving wheels 17 are fixedly sleeved on the first rotating shaft 11 and the second rotating shaft 14, the two driving wheels 17 are in transmission connection through a transmission chain 18, and through the arrangement of the heat dissipation mechanism, when the worm 2 rotates, can make blade 13 in the heat dissipation mechanism rotate, and then outside with the heat discharge casing 1 in the casing 1, in external cold air gets into casing 1 simultaneously to improve the radiating effect of speed reducer, prolonged the life of speed reducer.

Specifically, the fixing mechanism comprises a sleeve 19, one end of the sleeve 19 is fixedly connected to the inner wall of the cavity 10, a telescopic rod 20 is arranged in the sleeve 19 in a sliding manner, one end of the telescopic rod 20 is fixedly connected with a movable plate 21, the other end of the telescopic rod 20 is fixedly connected with a spring 22, one end of the spring 22 is connected with the inner wall of the sleeve 19, one side of the movable plate 21 corresponding to the dustproof net 9 is fixedly connected with a fixed rod 23, one end of the fixed rod 23 extends into the placing groove 8 through a through hole 24, one end of the fixed rod 23 extending into the placing groove 8 is matched and clamped with a fixed hole 25 on the dustproof net 9, one side of the movable plate 21 is fixedly connected with one end of a poking rod 26, the other end of the poking rod 26 extends out of the shell 1 and is fixedly connected with a pulling plate 27, and the upper side surface and the lower side surface of the shell 1 are both provided with poking grooves 28 for the poking rod 26 to move, the toggle groove 28 is communicated with the cavity 10.

Particularly, the equal fixedly connected with supporting leg 29's of four corners department of casing 1 lower surface one end, supporting leg 29's the other end and bottom plate 30 fixed connection, bottom plate 30's lower surface is equipped with shock pad 31, through the setting of shock pad 31, can play the absorbing effect of buffering at the speed reducer during operation, and then has reduced the production of noise.

Particularly, the place that contacts mutually of dust screen 9 and standing groove 8 inner wall is equipped with sealed the pad, through being equipped with sealed the pad, and then has improved the leakproofness of dust screen 9 with standing groove 8 junction.

The working principle is as follows: when the worm 2 of the utility model rotates, the worm 2 drives the second gear 16 in the heat dissipation mechanism to rotate, the second gear 16 is meshed with the first gear 15, the first gear 15 is fixedly connected with the second rotating shaft 14, so that the second rotating shaft 14 rotates, the second rotating shaft 14 drives the first rotating shaft 11 to rotate through the cooperation between the driving wheel 17 and the driving chain 18, further the first rotating shaft 11 drives the blades 13 to rotate through the connecting block 12, and the heat in the shell 1 is discharged out of the shell 1, meanwhile, the external cold air enters the shell 1, thereby improving the heat dissipation effect of the speed reducer, prolonging the service life of the speed reducer, when the dustproof net 9 needs to be disassembled, the pulling plate 27 in the clamping mechanism can be pulled, the pulling plate 27 drives the moving plate 21 to move through the poking rod 26, the moving rod 21 moves to enable the telescopic rod 20 to be retracted into the sleeve 19, the spring 22 generates elastic deformation, meanwhile, the fixing rod 23 on the movable plate 21 is separated from the fixing hole 25 on the dustproof net 9, so that the fixation of the dustproof net 9 is removed, the dustproof net 9 is convenient to disassemble, and further the workers can clean or replace the dustproof net, the influence on the heat dissipation effect due to the fact that a large amount of dust is stained on the dustproof net 9 is avoided, and the dustproof net 9 is placed in the placing groove when the dustproof net 9 needs to be installed, the pulling plate 27 is loosened, the spring 22 recovers elastic deformation and enables the fixing rod 23 to be inserted into the fixing hole 25, and further the installation of the dustproof net 9 is completed, and by means of the arrangement of the sealing ring, the sealing performance of the joint of the dustproof net 9 and the placing groove 8 is improved, and dust is prevented from entering the shell 1 from the joint.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a take vice worm gear speed reducer of high performance worm transmission, includes casing (1), its characterized in that: the worm gear type heat dissipation device is characterized in that a worm (2) is arranged in the shell (1), one end of the worm (2) is connected to the inner wall of the left side of the shell (1) in a rotating mode through a bearing, the other end of the worm (2) extends out of the shell (1) through the bearing, a worm wheel (3) is arranged below the worm (2), the worm wheel (3) is meshed with the worm (2) and is connected to a rotating rod (4) in a sleeved mode, one end of the rotating rod (4) is connected to the inner wall of the rear side of the shell (1) in a rotating mode through the bearing, the other end of the rotating rod (4) extends out of the shell (1) through the bearing, the inner wall of the shell (1) is located above the worm (2) and is fixedly connected with a heat dissipation plate (5), heat dissipation holes (6) are formed in the heat dissipation plate (5), a heat dissipation mechanism is arranged on the upper surface of the heat dissipation plate (5), grooves (7) are formed in the inner walls of the upper side and the lower side of the shell (1), the portable dust collector is characterized in that a placing groove (8) is formed in the positions, corresponding to the grooves (7), of the upper side face and the lower side face of the shell (1), the placing groove (8) is communicated with the grooves (7), a dust screen (9) is arranged in the placing groove (8), cavities (10) are formed in the wall bodies, located on the left side and the right side of the placing groove (8) and located on the shell (1), and fixing mechanisms are arranged in the cavities (10).

2. The worm and gear speed reducer with the high-performance worm transmission pair as claimed in claim 1, characterized in that: the heat dissipation mechanism comprises a first rotating shaft (11), one end of the first rotating shaft (11) is rotatably connected to the upper surface of the heat dissipation plate (5) through a bearing, the other end of the first rotating shaft (11) is fixedly connected with a connecting block (12), blades (13) are fixedly connected to the connecting block (12), a second rotating shaft (14) is arranged on the right side of the first rotating shaft (11), one end of the second rotating shaft (14) is rotatably connected to the inner upper surface of the shell (1) through a bearing, the other end of the second rotating shaft (14) penetrates through the heat dissipation plate (5) through a bearing and is fixedly connected with a first gear (15), a second gear (16) is connected to the first gear (15) in a meshed mode, the second gear (16) is fixedly sleeved on the worm (2), and transmission wheels (17) are fixedly sleeved on the first rotating shaft (11) and the second rotating shaft (14), the two driving wheels (17) are in transmission connection through a transmission chain (18).

3. The worm and gear speed reducer with the high-performance worm transmission pair as claimed in claim 1, characterized in that: the fixing mechanism comprises a sleeve (19), one end of the sleeve (19) is fixedly connected to the inner wall of the cavity (10), a telescopic rod (20) is arranged in the sleeve (19) in a sliding mode, a movable plate (21) is fixedly connected to one end of the telescopic rod (20), a spring (22) is fixedly connected to the other end of the telescopic rod (20), one end of the spring (22) is connected with the inner wall of the sleeve (19), a fixed rod (23) is fixedly connected to one side, corresponding to the dustproof net (9), of the movable plate (21), one end of the fixed rod (23) extends into the placing groove (8) through a through hole (24), one end, extending into the placing groove (8), of the fixed rod (23) is connected with a fixed hole (25) in the dustproof net (9) in a matched and clamped mode, one end of a poking rod (26) is fixedly connected to one side of the movable plate (21), and the other end of the poking rod (26) extends out of the shell (1) and is fixedly connected with a pulling plate (27), and toggle grooves (28) for the toggle rod (26) to move are formed in the upper side surface and the lower side surface of the shell (1), and the toggle grooves (28) are communicated with the cavity (10).

4. The worm and gear speed reducer with the high-performance worm transmission pair as claimed in claim 1, characterized in that: the equal fixedly connected with one end of supporting leg (29) in four corners department of casing (1) lower surface, the other end and bottom plate (30) fixed connection of supporting leg (29), the lower surface of bottom plate (30) is equipped with shock pad (31).

5. The worm and gear speed reducer with the high-performance worm transmission pair as claimed in claim 1, characterized in that: the dustproof net (9) is provided with a sealing gasket at the contact position with the inner wall of the placing groove (8).