CN212584376U

CN212584376U - Drain valve driving device

Info

Publication number: CN212584376U
Application number: CN202021395142.XU
Authority: CN
Inventors: 王颜军; 屈海虹
Original assignee: Cades Yangzhou Actuator Technology Co ltd
Current assignee: Cades Yangzhou Actuator Technology Co ltd
Priority date: 2020-07-16
Filing date: 2020-07-16
Publication date: 2021-02-23
Anticipated expiration: 2030-07-16

Abstract

The utility model discloses a drain valve drive arrangement, including pipeline, connecting rod, slider and planet carrier, the pipeline top is provided with the casing, and the inside upside of casing is provided with the swivelling chute, and the inside downside of casing is provided with the sliding tray simultaneously, the connecting rod upper end runs through the pipeline setting inside the casing, the inside downside of sliding tray is provided with face gear, and face gear welds in the connecting rod outside, the slider slides and sets up inside the sliding tray, and is provided with compression spring between slider top and the sliding tray upside inner wall. This drain valve drive arrangement is provided with ring gear, planet wheel and sun gear, constitutes the planetary gear structure between ring gear, planet wheel and the sun gear, and step motor drives the sun gear and rotates, makes the ring gear rotate at a slow speed thereupon, has increased the drive ratio between step motor and the connecting rod, has reduced the torque requirement to step motor, and the step motor accuracy of being convenient for simultaneously drives the butterfly valve and rotates appointed angle.

Description

Drain valve driving device

Technical Field

The utility model relates to a drain valve drive arrangement technical field specifically is a drain valve drive arrangement.

Background

The drain valve is an indispensable water industry equipment, including butterfly valve, ball valve, check valve etc. wherein, and in order to control the opening and close of drain valve, drive arrangement needs to be used, current butterfly valve class drain valve relies on drive arrangement restriction connecting rod's turned angle usually, but when the butterfly valve is in half-open state for a long time, need gain the device and continuously exert oneself, burden to drive arrangement is big, also cause the rise of manufacturing cost, and current butterfly valve class drain valve directly is connected with driving motor usually, and driving motor is because its theory of operation, it is difficult to accurate adjustment turned angle in the minizone, but the turned angle of butterfly valve is usually within 90 for driving motor can't accurate drive the butterfly valve and rotate, influence the use precision of butterfly valve, to above-mentioned problem, need improve current equipment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a drain valve drive arrangement, rely on the turned angle of drive arrangement restriction connecting rod usually with the current butterfly valve class drain valve that proposes in solving above-mentioned background art, but be in when half open mode for a long time at the butterfly valve, need gain the device and continuously exert oneself, it is big to drive arrangement's burden, also cause manufacturing cost's rising, and current butterfly valve class drain valve is direct to be connected with driving motor usually, and driving motor is because its theory of operation, be difficult to accurate adjustment turned angle in the minizone, but the turned range of butterfly valve is usually within 90, make the unable accurate drive butterfly valve of driving motor rotate, influence the problem of the use precision of butterfly valve.

In order to achieve the above object, the utility model provides a following technical scheme: a drain valve driving device comprises a pipeline, a connecting rod, a sliding piece and a planet carrier, wherein a shell is arranged at the top of the pipeline, a rotary groove is formed in the upper side inside the shell, a sliding groove is formed in the lower side inside the shell, the upper end of the connecting rod penetrates through the pipeline and is arranged inside the shell, a face gear is arranged on the lower side inside the sliding groove, the face gear is welded on the outer side of the connecting rod, the sliding piece is arranged inside the sliding groove in a sliding mode, a compression spring is arranged between the top of the sliding piece and the inner wall of the upper side of the sliding groove, the sliding piece and the compression spring are arranged on the outer side of the upper end of the connecting rod, the bottom of the sliding piece is in meshed connection with the top of the face gear, an electromagnet is arranged on the inner wall of the top of the sliding groove, a, the sun gear outside is connected with planet wheel one side meshing, and the planet wheel opposite side is connected with the inboard meshing of ring gear, the planet carrier sets up between sun gear and ring gear.

Preferably, the connecting rods are rotatably connected with the pipeline and the shell.

Preferably, the central line of the sliding part, the central line of the compression spring and the central line of the connecting rod are all located on the same vertical line, and a certain gap is reserved between the inner side of the sliding part and the outer end of the connecting rod and between the inner side of the compression spring and the outer end of the connecting rod.

Preferably, the central line of the gear ring, the central line of the sun gear and the central line of the connecting rod are all located on the same vertical line.

Preferably, the planet wheel upside is connected with the casing inside rotation, and planet wheel downside is connected with the planet carrier rotation.

Preferably, the number of the planet wheels is four, and the four planet wheels are arranged between the gear ring and the sun wheel in a cross shape.

Compared with the prior art, the beneficial effects of the utility model are that: the driving device of the water discharge valve comprises a water discharge valve,

(1) the end face gear, the compression spring and the sliding piece are arranged, the compression spring pushes the sliding piece to move downwards along the sliding groove until the lower end of the sliding piece is meshed with the upper end of the end face gear, so that the effect of fixing the end face gear and a connecting rod inside the end face gear is achieved, the rotating angles of the end face gear and the connecting rod are limited, the operation cost when the drain valve is locked is convenient to reduce, and the use is more practical;

(2) be provided with ring gear, planet wheel and sun gear, constitute the planetary gear structure between ring gear, planet wheel and the sun gear, step motor drives the sun gear and rotates, makes the ring gear rotate at a slow speed thereupon, has increased the drive ratio between step motor and the connecting rod, has reduced step motor's torque requirement, and the step motor accuracy of being convenient for simultaneously drives the butterfly valve and rotates appointed angle.

Drawings

FIG. 1 is a schematic view of the cross-sectional structure of the present invention;

FIG. 2 is a schematic top view of the cross-sectional structure of the present invention;

FIG. 3 is a schematic view of the bottom cross-section of the present invention;

fig. 4 is a schematic view of the sectional structure of the sliding chute in a bottom view;

fig. 5 is a schematic view of the top-view cross-sectional structure of the sliding groove of the present invention.

In the figure: 1. pipeline, 2, casing, 3, rotation groove, 4, sliding tray, 5, connecting rod, 6, face gear, 7, slider, 8, compression spring, 9, electro-magnet, 10, ring gear, 11, step motor, 12, sun gear, 13, planet wheel, 14, planet carrier.

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. 1-5, the present invention provides a technical solution: a driving device for a water discharge valve is disclosed, as shown in FIG. 1, FIG. 4 and FIG. 5, a shell 2 is arranged on the top of a pipeline 1, a rotary groove 3 is arranged on the upper side inside the shell 2, a sliding groove 4 is arranged on the lower side inside the shell 2, the upper end of a connecting rod 5 penetrates through the pipeline 1 and is arranged inside the shell 2, the connecting rod 5 is rotatably connected with the pipeline 1 and the shell 2, the connecting rod 5 is conveniently rotated inside the shell 2 and inside the pipeline 1, an end face gear 6 is arranged on the lower side inside the sliding groove 4, the end face gear 6 is welded on the outer side of the connecting rod 5, a sliding part 7 is slidably arranged inside the sliding groove 4, a compression spring 8 is arranged between the top of the sliding part 7 and the inner wall on the upper side of the sliding groove 4, the sliding part 7 and the compression spring 8 are both arranged on the outer side of the upper end of, and certain gaps are reserved between the inner side of the sliding part 7 and the inner side of the compression spring 8 and the outer end of the connecting rod 5, so that the connecting rod 5 can smoothly rotate without being influenced by the sliding part 7 and the compression spring 8, the bottom of the sliding part 7 is meshed and connected with the top of the face gear 6, and the inner wall of the top of the sliding groove 4 is provided with an electromagnet 9.

As shown in fig. 1, 2 and 3, a gear ring 10 is welded on the top of a connecting rod 5, the gear ring 10 is rotatably disposed inside a rotary groove 3, the center line of the gear ring 10, the center line of a sun gear 12 and the center line of the connecting rod 5 are all located on the same vertical line, the sun gear 12 is driven by a stepping motor 11 to rotate, the connecting rod 5 is driven by the sun gear 12 through the cooperation of a planet gear 13 and the gear ring 10, the top of a housing 2 is provided with the stepping motor 11, the lower end of the stepping motor 11 penetrates through the housing 2 to be connected with the sun gear 12, the outer side of the sun gear 12 is connected with one side of the planet gear 13 in a meshing manner, the other side of the planet gear 13 is connected with the inner side of the gear ring 10 in a meshing manner, the upper side of the planet gear 13 is rotatably connected with the inside of the housing 2, the four planet gears 13 are arranged between the gear ring 10 and the sun gear 12 in a cross shape, the four planet gears 13 fill a gap between the gear ring 10 and the sun gear 12, so that the sun gear 12 drives the gear ring 10 to rotate through the planet gears 13, and the planet carrier 14 is arranged between the sun gear 12 and the gear ring 10.

The working principle is as follows: when the drain valve driving device is used, an external power supply is firstly switched on, the electromagnet 9 is started, the electromagnet 9 pulls the sliding part 7 to move upwards along the sliding groove 4 until the sliding part 7 is disengaged from the meshing connection with the end face gear 6, the stepping motor 11 is started, the stepping motor 11 drives the sun gear 12 to rotate, the sun gear 12 drives the gear ring 10 to rotate through the planet gear 13, the planet carrier 14 is matched with the shell 2 to play a role of fixing the planet gear 13 and avoid the central line of the planet gear 13 from generating displacement, the gear ring 10 drives the connecting rod 5 to rotate, the transmission ratio between the stepping motor 11 and the connecting rod 5 is changed due to the planet gear structure formed by the gear ring 10, the sun gear 12 and the planet gear 13, the rotating angles of the connecting rod 5 and the butterfly plate can be accurately adjusted through the stepping motor 11, the requirement on the torque of the stepping motor 11 is, the compression spring 8 pushes the sliding part 7 to move downwards along the sliding groove 4 until the sliding part 7 is meshed with the end face gear 6 to play a role of locking the rotation angle of the butterfly plate, at the moment, the stepping motor 11 can be closed, and the load pressure on the stepping motor 11 is reduced, so that the whole work is completed, and the content which is not described in detail in the specification belongs to the prior art which is well known by a person skilled in the art.

The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the scope of the invention.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a drain valve drive arrangement, includes pipeline (1), connecting rod (5), slider (7) and planet carrier (14), its characterized in that: the pipeline comprises a pipeline (1), a shell (2) is arranged at the top of the pipeline (1), a rotary groove (3) is arranged on the upper side inside the shell (2), a sliding groove (4) is arranged on the lower side inside the shell (2), the upper end of a connecting rod (5) penetrates through the pipeline (1) and is arranged inside the shell (2), a face gear (6) is arranged on the lower side inside the sliding groove (4), the face gear (6) is welded on the outer side of the connecting rod (5), a sliding part (7) is arranged inside the sliding groove (4) in a sliding mode, a compression spring (8) is arranged between the top of the sliding part (7) and the inner wall of the upper side of the sliding groove (4), the sliding part (7) and the compression spring (8) are both arranged on the outer side of the upper end of the connecting rod (5), the bottom of the sliding part (7) is meshed with the top, connecting rod (5) top welding has ring gear (10), and ring gear (10) rotate to set up inside swivelling chute (3), casing (2) top is provided with step motor (11), and step motor (11) lower extreme runs through casing (2) and is connected with sun gear (12), the sun gear (12) outside is connected with planet wheel (13) one side meshing, and planet wheel (13) opposite side is connected with ring gear (10) inboard meshing, planet carrier (14) set up between sun gear (12) and ring gear (10).

2. The driving apparatus for the drain valve according to claim 1, wherein: the connecting rod (5) is rotatably connected with the pipeline (1) and the shell (2).

3. The driving apparatus for the drain valve according to claim 1, wherein: the center line of the sliding part (7), the center line of the compression spring (8) and the center line of the connecting rod (5) are all located on the same vertical line, and certain gaps are reserved between the inner side of the sliding part (7) and the inner side of the compression spring (8) and the outer end of the connecting rod (5).

4. The driving apparatus for the drain valve according to claim 1, wherein: the central line of the gear ring (10), the central line of the sun gear (12) and the central line of the connecting rod (5) are all located on the same vertical line.

5. The driving apparatus for the drain valve according to claim 1, wherein: the upper side of the planet wheel (13) is rotatably connected with the inside of the shell (2), and the lower side of the planet wheel (13) is rotatably connected with the planet carrier (14).

6. The driving apparatus for the drain valve according to claim 1, wherein: the four planet wheels (13) are arranged, and the four planet wheels (13) are arranged between the gear ring (10) and the sun wheel (12) in a cross shape.