CN219588037U - Novel worm gear reduction box - Google Patents

Abstract

The utility model discloses a novel worm and gear reduction box, which comprises a box body, wherein a worm accommodating cavity and a worm accommodating cavity are arranged in the box body according to space, and the worm accommodating cavity are in mutual capacity and intercommunication; the worm is arranged in the worm accommodating cavity, and a bearing is arranged on the worm shaft for rotary connection; the worm wheel is arranged in the worm wheel storage cavity, a cylindrical bearing is arranged on a worm wheel shaft for rotation connection, an input end and an output end are arranged on the box body, the worm extends to the outside of the box body and is fixedly connected with the hand wheel, the worm wheel is connected with an output shaft of the box body coaxially, and the worm wheel is designed to be arc-shaped along the tooth width direction. The two sides of the valve position indication position of the box body cover of the reduction box are respectively provided with a slight inclined overflow groove, so that the area water of the reduction box can be rapidly discharged, the situation that the position of the valve position indicator is deep into the box body is avoided, the arrangement position of the box bolt hole adopts a flange structure, outdoor rainwater can be effectively prevented from accumulating and infiltrating into a bolt hole, and the waterproof effect is good.

Description

Novel worm gear reduction box

Technical Field

The utility model relates to the field of valve reduction boxes, in particular to a novel worm gear reduction box.

Background

The worm gear reduction box is a device for transmitting torque by an actuating mechanism in a labor-saving mode. The existing valve worm gear reduction gearbox used outdoors has the problems that the gearbox is corroded due to the fact that the gearbox is immersed in water, lubricating oil is deteriorated, worm gear transmission efficiency is reduced, service life of the reduction gearbox is prolonged, and equipment failure rate is increased.

Disclosure of Invention

The utility model provides a novel worm gear reduction box, which is characterized in that two sides of a box cover valve position indication position of the reduction box are respectively provided with a slight inclined overflow groove, so that the area water of the reduction box can be rapidly discharged, the situation that the box is deep into the box along the valve position indicator position is avoided, the arrangement position of a body bolt hole adopts a flange structure, the outdoor rainwater can be effectively prevented from accumulating and penetrating into a bolt hole, and the waterproof effect is good.

In order to achieve the technical characteristics, the aim of the utility model is realized in the following way: the novel worm and gear reduction box comprises a box body, wherein a worm accommodating cavity and a worm accommodating cavity are arranged in the box body according to the space, and the worm accommodating cavity are in mutual capacity and intercommunication; the worm is arranged in the worm accommodating cavity, and a bearing is arranged on the worm shaft for rotary connection; the worm wheel is arranged in the worm wheel storage cavity, a cylindrical bearing is arranged on a worm wheel shaft for rotation connection, an input end and an output end are arranged on the box body, the worm extends to the outside of the box body and is fixedly connected with a hand wheel, the worm wheel is connected with the coaxial center of an output shaft of the box body, the worm wheel is designed to be circular arc along the tooth width direction, the worm wheel is in linear contact with the worm in a meshing mode, and worm wheel and worm lubrication is realized by periodically injecting lubricating grease.

The top of the box body is provided with a box body cover, and two symmetrical positions of the two sides of the box body cover are provided with chiseled holes.

And two sides of the valve position indication position of the box cover are respectively provided with a slight inclination overflow groove.

The valve position indicator disc on the box cover is provided with a convex hemispherical valve position indicator.

The box cover is provided with a bolt hole, and the box is connected and fixed in a bolt matching mode.

The bolt holes are arranged as raised edges.

The utility model has the following beneficial effects:

when the box body cover valve position detection device is used, the two sides of the box body cover valve position indication position are respectively provided with a slight inclined overflow groove, so that the area water of the reduction box can be rapidly discharged, the situation that the valve position indicator is deep into the box body is avoided, the bolt hole arrangement position adopts a flange structure, outdoor rainwater is effectively prevented from accumulating and penetrating into a keyhole, the waterproof effect is good, the symmetrical positions of the two sides of the upper box body are provided with chiseling holes, the upper box body can be opened at fixed positions, the box body can be conveniently disassembled to carry out internal lubrication condition detection, the chiseling holes are arranged, damage to the connecting position of the box body can be effectively avoided, and the valve position indication disc adopts a convex hemispherical valve position indication needle and is easier to carry out valve position indication on a valve with a large caliber or a higher installation position.

Drawings

The utility model is further described below with reference to the drawings and examples.

Fig. 1 is a front view of a worm gear reduction box according to the present utility model.

Fig. 2 is a left side view of a worm gear reduction box of the present utility model.

In the figure: the box cover 1, the drilled hole 2, the slight inclination overflow groove 3, the bolt hole 4, the valve position indicator 5, the worm wheel 6, the worm 7, the box 8, the bearing 9 and the hand wheel 10.

Detailed Description

Embodiments of the present utility model will be further described with reference to the accompanying drawings.

1-2, the novel worm gear reduction box comprises a box body 8, wherein a worm accommodating cavity and a worm gear accommodating cavity are arranged in the box body 8 according to space, and the worm accommodating cavity and the worm gear accommodating cavity are communicated with each other in a co-accommodating mode; the worm 7 is arranged in the worm accommodating cavity, and a bearing 9 is arranged on the worm shaft for rotary connection; the worm wheel 6 is arranged in the worm wheel accommodating cavity, a cylindrical bearing is arranged on a worm wheel shaft for rotation connection, an input end and an output end are arranged on the box body 8, the worm 7 extends to the outside of the box body and is fixedly connected with the hand wheel 10, the worm wheel 6 is coaxially connected with an output shaft of the box body, the worm wheel 6 is designed to be circular arc along the tooth width direction, the worm wheel 6 is in linear contact with the worm 7 in a meshing mode, and worm wheel and worm lubrication is realized by periodically injecting lubricating grease. By adopting the reduction gearbox with the structure, in the working process, the worm wheel is in linear contact with the worm in a meshing mode, so that the stability of worm and gear transmission is effectively ensured; in addition, the utility model has reasonable structure, compact structure, strong waterproof property, long service life and convenient overhaul and maintenance.

Further, a box cover 1 is mounted on the top of the box 8, and chiseling holes 2 are formed in symmetrical positions of two sides of the box cover 1. The gear box is convenient to maintain, overhaul and disassemble by punching the hole 2, the worm gear lubricating oil checking and replacing work is periodically carried out, and the gear meshing abrasion and corrosion consumption can be slowed down.

Furthermore, two sides of the valve position indication position of the box cover 1 are respectively provided with a slight inclination overflow groove 3. The slight inclination type overflow groove 3 can drain water rapidly, so that a small amount of accumulated water is prevented from accumulating on the surface of the box body, part of water is prevented from penetrating into the box body along the connection position of the valve position indicator, and deterioration of oil products in the box body is slowed down.

Further, a convex hemispherical valve position indicator 5 is arranged on the valve position indicating disc on the box cover 1. The valve position indicator 5 is adopted to facilitate the valve position observation of the valve with higher installation position or larger caliber.

Further, the box cover 1 is provided with a bolt hole 4, and box connection and fixation are realized through a bolt matching mode. The bolts are convenient to detach, and the box body is convenient to detach and carry out lubrication and maintenance.

Further, the bolt holes 4 are arranged as raised edges. The rainwater deposition infiltration box can be effectively avoided through the cooperation of protruding formula edge and the packing ring of bolt, guarantee the interior dry environment of box.

The working process and principle of the utility model are as follows:

in the specific use process, the worm 7 is driven by manually rotating the hand wheel 10 and the hand wheel 10, and is meshed with the worm wheel 6 through the worm 7 and is in linear contact with the worm wheel 6, so that the stability of worm and gear transmission is effectively ensured; the worm is used for driving the worm wheel, and then the worm wheel is used for outputting power from the worm wheel shaft, so that the effect of power output is achieved;

after a period of use, through injecting lubricating grease into box 8 inside, and then play fine lubrication effect, can get rid of reducing gear box area water rapidly through the slight inclined overflow launder that sets up, avoid following valve position indicator position and go deep into the box inside, and then effectively prevented the corrosion problem that the box inside intakes and lead to.

Claims (4)

1. The utility model provides a novel worm gear reduction box which characterized in that: the worm storage box comprises a box body (8), wherein a worm storage cavity and a worm wheel storage cavity are arranged in the box body (8) according to the space, and the worm storage cavity and the worm wheel storage cavity are in mutual capacity and intercommunication; the worm (7) is arranged in the worm accommodating cavity, and a bearing (9) is arranged on the worm shaft for rotary connection; the worm wheel (6) is arranged in the worm wheel accommodating cavity, a cylindrical bearing is arranged on a worm wheel shaft for rotary connection, an input end and an output end are arranged on the box body (8), the worm (7) extends to the outside of the box body and is fixedly connected with the hand wheel (10), the worm wheel (6) is coaxially connected with an output shaft of the box body, the worm wheel (6) is designed to be circular arc along the tooth width direction, the worm wheel (6) is in linear contact with the worm (7) in a meshing mode, and worm wheel and worm lubrication is realized by periodically injecting lubricating grease;

the top of the box body (8) is provided with a box body cover (1), and two symmetrical positions of the two sides of the box body cover (1) are provided with chiseling holes (2);

two sides of the valve position indication position of the box cover (1) are respectively provided with a slight inclination overflow groove (3).

2. The novel worm gear reduction box according to claim 1, wherein: a convex hemispherical valve position indicator (5) is arranged on the valve position indicating disc on the box cover (1).

3. The novel worm gear reduction box according to claim 1, wherein: the box cover (1) is provided with a bolt hole (4), and the box is connected and fixed in a bolt matching mode.

4. A novel worm gear reduction box according to claim 3, characterized in that: the bolt holes (4) are arranged as raised edges.