CN219975387U - A PPS closed electric valve - Google Patents

Abstract

The utility model belongs to the technical field of valves, in particular to a PPS closed electric valve, which comprises a PPS valve shell, wherein a rotating shaft is rotatably arranged on the inner wall of the PPS valve shell, a valve plate is fixedly arranged outside the rotating shaft, one end of the PPS valve shell is provided with a driving component for driving the rotating shaft to rotate, a filter screen is arranged above the valve plate, the inner wall of the upper end of the PPS valve shell is provided with an annular groove, the inner bottom wall of the annular groove is provided with a thread groove, the thread groove is in threaded connection with the lower end of a long bolt, the filter screen and the long bolt are arranged in a sliding manner, a first spring is arranged between the upper end of the long bolt and the filter screen, and a second spring is arranged between the lower end of the long bolt and the filter screen. The utility model can prop up the filter screen when the valve plate rotates, thereby playing a role in vibrating the filter screen, preventing the filter screen from being blocked and improving the filtering effect.

Description

A PPS closed electric valve

Technical field

The utility model relates to the technical field of valves, specifically a PPS closed electric valve.

Background technique

Valves are mechanical devices that control the flow, flow direction, pressure, temperature, etc. of flowing fluid media. Valves are basic components in the pipeline system. Valve fittings are technically the same as pumps and are often discussed as a separate category. Valves can be manually Or operated by handwheel, handle or pedal, the pressure, temperature and flow rate of the fluid medium can also be changed through control, while the sealed valve mainly throttles or cuts off the air.

According to patent number CN201921856343.2, a connecting rod type PPS closed valve is disclosed, including a valve body and a valve cover. The valve cover is installed inside the valve body, and the valve cover is fixedly connected to the valve stem. The valve stem penetrates the valve body and extends to On one side of the outside of the fixed box, a servo motor is fixedly connected to the top of the fixed box. A rotating rod is fixedly connected to the output shaft of the servo motor. The rotating rod penetrates the fixed box and extends to its interior to be fixedly connected to the driving gear.

The existing technology has the following problems:

The existing PPS closed valves are not equipped with a filter screen and cannot effectively filter the impurities contained in the gas. After long-term use, impurities, dust or foreign matter in the gas will continue to accumulate at the valve and block it, affecting the valve. Work efficiency may even render it unusable. At the same time, the clogged valve is very inconvenient for staff to clean.

Utility model content

In view of the shortcomings of the existing technology, the present utility model provides a PPS sealed electric valve, which solves the existing problems today.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

A PPS closed electric valve includes a PPS valve housing. A rotating shaft is mounted on the inner wall of the PPS valve housing for rotation. A valve plate is fixed on the outside of the rotating shaft. One end of the PPS valve housing is provided with a driving component for driving the rotating shaft to rotate. The valve A filter screen is provided above the plate. An annular groove is provided on the inner wall of the upper end of the PPS valve housing. A threaded groove is provided on the inner bottom wall of the annular groove. The threaded groove is threadedly connected to the lower end of a long bolt. The filter screen and the long bolt are slidably arranged. A first spring is provided between the upper end of the bolt and the filter screen, and a second spring is provided between the lower end of the long bolt and the filter screen.

As a preferred technical solution of the present invention, the driving assembly includes a driven gear, a driving gear and a servo motor. One end of the rotating shaft passes through the PPS valve housing and is fixed to the inner ring of the driven gear. The driven gear is connected to the driving gear. Gear meshing setting, the inner ring of the driving gear is fixedly connected with the rotating shaft of the servo motor.

As a preferred technical solution of the present invention, a motor base is installed on the outer wall of the PPS valve housing, and the servo motor is installed in conjunction with the motor base through locking bolts.

As a preferred technical solution of the present invention, slide blocks are fixed at both ends of the filter. The slide blocks are provided with through holes, and long bolts slide through the through holes.

As a preferred technical solution of the present invention, the two ends of the first spring are welded to the upper end outer wall of the long bolt and the top wall of the slider respectively, and the two ends of the second spring are welded to the inner wall of the annular groove and the top wall of the slider respectively. The bottom wall is welded.

As a preferred technical solution of the present invention, the valve plate is in circumferential sealing contact with the inner wall of the PPS valve housing, and the diameter of the filter screen is matched with the inner diameter of the PPS valve housing.

Compared with the existing technology, this utility model provides a PPS closed electric valve with the following features:

Beneficial effects:

1. This PPS closed electric valve is equipped with a driving component, a rotating shaft and a valve plate to realize automatic opening and closing of the valve, and is equipped with a filter screen, a slider, a through hole, a long bolt, a first spring, a second The spring, annular groove and threaded groove can push against the filter screen when the valve plate rotates, which in turn can vibrate the filter screen, prevent the filter screen from clogging, and improve the filtration effect;

2. This PPS closed electric valve is equipped with a filter inside the PPS valve housing, which can filter the gas, remove dust in the gas, and ensure the cleanliness of the gas.

Description of the drawings

Figure 1 is a schematic diagram of the overall cross-sectional structure of the utility model;

Figure 2 is a schematic diagram of the overall front structure of the utility model;

Figure 3 is a schematic diagram of the partially enlarged structure of position A in Figure 1;

Figure 4 is a schematic top view of the filter screen in Figure 1 .

In the picture: 1. PPS valve housing; 101. Annular groove; 102. Threaded groove; 2. Filter; 201. Slider; 3. Valve plate; 4. Rotating shaft; 5. Driven gear; 6. Driving gear; 7. Servo motor; 8. Motor base; 9. Long bolt; 10. First spring; 11. Second spring.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, not all implementations. example. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model.

Please refer to Figures 1-4. In this embodiment: a PPS sealed electric valve includes a PPS valve housing 1. A rotating shaft 4 is mounted on the inner wall of the PPS valve housing 1, and a valve plate 3 is fixed on the outside of the rotating shaft 4. One end of the PPS valve housing 1 is provided with a driving component for driving the rotation of the rotating shaft 4. A filter 2 is provided above the valve plate 3. An annular groove 101 is provided on the inner wall of the upper end of the PPS valve housing 1. The inner bottom wall of the annular groove 101 A threaded groove 102 is provided, and the threaded groove 102 is threadedly connected to the lower end of the long bolt 9. The filter screen 2 and the long bolt 9 are slidably arranged. A first spring 10 is provided between the upper end of the long bolt 9 and the filter screen 2. A second spring 11 is provided between the lower end and the filter screen 2 .

In this embodiment, the driving assembly includes a driven gear 5, a driving gear 6 and a servo motor 7. One end of the rotating shaft 4 passes through the PPS valve housing 1 and is fixed to the inner ring of the driven gear 5. The driven gear 5 is connected to the inner ring of the driven gear 5. The driving gear 6 is meshed, and the inner ring of the driving gear 6 is fixedly connected to the rotating shaft of the servo motor 7; the selected model of the servo motor 7 is DZ65M01-1WRV. When the servo motor 7 works, it drives the driving gear 6 and the driven gear 5 to rotate, thereby causing the rotating shaft to rotate. 4 drives the valve plate 5 to rotate, and the valve can be opened and closed electrically; a motor base 8 is installed on the outer wall of the PPS valve housing 1, and the servo motor 7 is installed in conjunction with the motor base 8 through locking bolts; realizing the connection between the servo motor 7 and Installation of PPS valve housing 1; sliders 201 are fixed at both ends of the filter 2. The slider 201 is provided with a through hole. The long bolt 9 slides through the through hole. Both ends of the first spring 10 are welded to the long bolts respectively. The upper end outer wall of 9 is welded to the top wall of the slider 201, and the two ends of the second spring 11 are welded to the inner wall of the annular groove 101 and the bottom wall of the slider 201 respectively; by connecting the first spring 10 and the second spring 11 Under the action of elasticity, the filter screen 2 can squeeze the first spring 10 and the second spring 11, causing the filter screen 2 to move up and down at a certain distance, thereby causing the filter screen 2 to vibrate; the contact between the valve plate 3 and the PPS valve housing 1 The inner wall is arranged in circumferential sealing contact, and the diameter of the filter screen 2 is matched with the inner diameter of the PPS valve housing 1; the filter screen 2 can filter the gas.

The working principle and usage process of the utility model: the slider 201 is provided with a through hole, and the long bolt 9 slides through the through hole. When the valve plate 3 rotates, its upper end can push against the filter screen 2, thereby lifting the filter screen 2. To vibrate, prevent the filter 2 from clogging. The filter 2 can filter the gas. Under the elastic action of the first spring 10 and the second spring 11, the filter 2 can squeeze the first spring 10 and the second spring 11. The spring 11 causes the filter screen 2 to move up and down at a certain distance, and can vibrate under the action of the valve plate 3.

Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art , it is still possible to modify the technical solutions recorded in the foregoing embodiments, or to make equivalent replacements for some of the technical features. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (6)

1. A PPS sealed electric valve, including a PPS valve housing (1), characterized in that: a rotating shaft (4) is rotatably installed on the inner wall of the PPS valve housing (1), and the outside of the rotating shaft (4) A valve plate (3) is fixed, and one end of the PPS valve housing (1) is provided with a driving assembly for driving the rotating shaft (4) to rotate. A filter screen (2) is provided above the valve plate (3), so The upper inner wall of the PPS valve housing (1) is provided with an annular groove (101), and the inner bottom wall of the annular groove (101) is provided with a threaded groove (102), and the threaded groove (102) is threaded with long bolts. (9), the filter (2) and the long bolt (9) are slidably arranged, and a first spring (10) is provided between the upper end of the long bolt (9) and the filter (2). A second spring (11) is provided between the lower end of the long bolt (9) and the filter screen (2). 2. A PPS sealed electric valve according to claim 1, characterized in that: the driving assembly includes a driven gear (5), a driving gear (6) and a servo motor (7), and the rotating shaft (4) One end passes through the PPS valve housing (1) and is fixed to the inner ring of the driven gear (5). The driven gear (5) is meshed with the driving gear (6). The driving gear (6) The inner ring of the servo motor (7) is fixedly connected to the rotating shaft. 3. A PPS sealed electric valve according to claim 2, characterized in that: a motor seat (8) is installed on the outer wall of the PPS valve housing (1), and the servo motor (7) is locked by The bolts are installed in conjunction with the motor base (8). 4. A PPS airtight electric valve according to claim 1, characterized in that: slide blocks (201) are fixed at both ends of the filter screen (2), and a passage is provided on the slide block (201). hole, and the long bolt (9) slides through the through hole. 5. A PPS sealed electric valve according to claim 4, characterized in that: the two ends of the first spring (10) are welded to the upper end outer wall of the long bolt (9) and the top of the slider (201) respectively. The two ends of the second spring (11) are welded to the inner wall of the annular groove (101) and the bottom wall of the slider (201) respectively. 6. A PPS sealed electric valve according to claim 1, characterized in that: the valve plate (3) is in circumferential sealing contact with the inner wall of the PPS valve housing (1), and the filter screen (2) The diameter is set to match the inner diameter of the PPS valve housing (1).