CN214789332U

CN214789332U - Novel prefill valve device

Info

Publication number: CN214789332U
Application number: CN202121123225.8U
Authority: CN
Inventors: 周立兵; 张晶晶; 丁先进
Original assignee: Tianjin Seri Engineering Co ltd
Current assignee: Tianjin Seri Engineering Co ltd
Priority date: 2021-05-25
Filing date: 2021-05-25
Publication date: 2021-11-19
Anticipated expiration: 2031-05-25

Abstract

The utility model discloses a novel prefill valve device, which comprises a connecting flange, one side of the connecting flange is fixedly connected with a connecting cylinder, the inside of the connecting cylinder is provided with a hydraulic cylinder, the hydraulic cylinder comprises a cylinder barrel, the cylinder barrel is fixedly arranged at one side of the connecting flange, one end of the cylinder barrel is provided with a cylinder bottom, the inside of the cylinder barrel is connected with a piston in a sliding way, the outside of the piston is provided with a sealing groove, a sealing ring is arranged inside the sealing groove, one side of the piston is screwed with a valve rod through threads, one end of the valve rod is tightly attached to the inner side of the connecting flange, and the upper side and the lower side of the connecting flange are respectively provided with an A port and a B port; the utility model discloses a water route pipeline is unanimous with the valve rod direction, and the effectual loss of pressure that has reduced water can reach the effect that fills of ideal, and compact structure, and the valve rod switching is reliable and stable, and hydraulic pipeline utilizes the cylinder of pneumatic cylinder to part hydraulic oil and working medium in the inside of structure, guarantees not to reveal.

Description

Novel prefill valve device

Technical Field

The utility model belongs to the technical field of the metallurgical equipment, concretely relates to novel prefill valve device.

Background

The general term of metallurgical machinery, machinery and equipment required by steel and nonferrous metal material production. Also known as metallurgical equipment or metallurgical equipment. The production process of the metal material is complex (figure 1), and the requirements on the continuity, mechanization and automation degree are high; the required machinery is heavy and large, the equipment set is strong, and the energy consumption is high; the working condition is severe, and the working condition is mostly in high-temperature, heavy-load, dusty and corrosive environments. The metallurgical machinery is mainly divided into the following steps according to the production process: smelting equipment, continuous casting equipment, rolling (calendering) equipment and post-finishing equipment.

In the existing seamless steel pipe processing line, the inside of a steel pipe needs to be filled with water, and a liquid filling valve is a device for controlling the opening and closing of the water filling. The water channel pipeline of the liquid filling valve is axially vertical to the valve rod, so that the size of the liquid filling valve is large, the pressure loss of water is large, and the ideal water filling effect cannot be achieved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel prefill valve device 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: the utility model provides a novel prefill valve device, includes flange, one side fixedly connected with connecting cylinder of flange, the inside of connecting cylinder is provided with the pneumatic cylinder, the pneumatic cylinder includes the cylinder, cylinder fixed mounting is in one side of flange, and the one end of cylinder is provided with the cylinder end, the inside sliding connection of cylinder has the piston, the outside of piston is provided with the seal groove, and the inside sealing washer that is provided with of seal groove, one side of piston has closed the valve rod soon through the screw thread, the one end of valve rod is hugged closely at the flange inboard, A mouth and B mouth have been seted up respectively to flange's upper and lower both sides, and the built-in pipeline that the A mouth passes through flange, cylinder and cylinder end and the no pole chamber intercommunication of piston one side, the built-in pipeline that the B mouth passes through flange and cylinder and the pole chamber intercommunication that has of piston opposite side.

Preferably, a guide sleeve is sleeved on the outer side of the valve rod, a locking nut is arranged at one end of the guide sleeve, and the guide sleeve is fixedly connected with the connecting flange through the locking nut.

Preferably, the outer side of the valve rod is sleeved with a main spring, and two ends of the main spring are respectively tightly pressed on the guide sleeve and the piston.

Preferably, the one end inner wall fixedly connected with side spring of cylinder, the one end fixedly connected with sliding block of side spring, sliding block and guide pin bushing sliding connection, one side of piston is provided with the promotion head, and the position that just promotes the head corresponds with the position of sliding block, and just promotes a side of head and a side of sliding block and all sets up to the inclined plane, the sliding block with promote the head and be located the outside of main spring.

Preferably, one side of the cylinder bottom is fixedly connected with a sensor cover, a detection rod is arranged in the sensor cover, one end of the detection rod is connected with the cylinder bottom in a sliding mode, one end of the detection rod is fixedly connected with the piston, and the other end of the detection rod is fixedly connected with a magnetic ring.

Preferably, the one end of connecting cylinder is provided with C mouth, one side of flange is provided with D mouth, the laminating of one side of valve rod is in D mouth.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a water route pipeline is unanimous with the valve rod direction, and the effectual loss of pressure that has reduced water can reach the effect that fills of ideal, and compact structure, and the valve rod switching is reliable and stable, and hydraulic pipeline utilizes the cylinder of pneumatic cylinder to part hydraulic oil and working medium in the inside of structure, guarantees not to reveal.

2. The utility model discloses a side spring and main spring, at the piston when driving valve rod return shutoff, can assist through the elasticity of side spring and main spring and reset to it can good reset when hydraulic pressure resets to reduce the water pressure reinforce too greatly.

Drawings

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

fig. 2 is an enlarged schematic structural view of the utility model at the position H in fig. 1;

fig. 3 is a schematic structural view of the sealing groove of the present invention;

in the figure: 1. a valve stem; 2. a connecting flange; 3. locking the nut; 4. a guide sleeve; 5. a hydraulic cylinder; 5.1, a cylinder barrel; 5.2, a piston; 5.3, a cylinder bottom; 6. a sensor cover; 7. a detection lever; 8. a magnetic ring; 9. a connecting cylinder; 10. a slider; 11. a side spring; 12. a pusher head; 13. a main spring; 14. sealing the groove.

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 to 3, the present invention provides a technical solution: a novel prefill valve device comprises a connecting flange 2, a connecting cylinder 9 is fixedly connected with one side of the connecting flange 2, a hydraulic cylinder 5 is arranged inside the connecting cylinder 9, the hydraulic cylinder 5 comprises a cylinder barrel 5.1, the cylinder barrel 5.1 is fixedly arranged on one side of the connecting flange 2, and one end of the cylinder barrel 5.1 is provided with a cylinder bottom 5.3, the inside of the cylinder barrel 5.1 is connected with a piston 5.2 in a sliding way, the outer side of the piston 5.2 is provided with a sealing groove 14, and a sealing ring is arranged in the sealing groove 14, one side of the piston 5.2 is screwed with the valve rod 1 through threads, one end of the valve rod 1 is tightly attached to the inner side of the connecting flange 2, the upper side and the lower side of the connecting flange 2 are respectively provided with an opening A and an opening B, and the port A is communicated with a rodless cavity at one side of the piston 5.2 through a built-in pipeline of the connecting flange 2, the cylinder barrel 5.1 and the cylinder bottom 5.3, and the port B is communicated with a rod cavity at the other side of the piston 5.2 through a built-in pipeline of the connecting flange 2 and the cylinder barrel 5.1.

Further, as shown in fig. 1 and 2, the outer side of the valve rod 1 is sleeved with a guide sleeve 4, one end of the guide sleeve 4 is provided with a lock nut 3, the guide sleeve 4 is fixedly connected with the connecting flange 2 through the lock nut 3, the stability of the valve rod 1 is ensured, the outer side of the valve rod 1 is sleeved with a main spring 13, two ends of the main spring 13 are respectively tightly pressed on the guide sleeve 4 and the piston 5.2, the inner wall of one end of the cylinder 5.1 is fixedly connected with a side spring 11, one end of the side spring 11 is fixedly connected with a sliding block 10, the sliding block 10 is slidably connected with the guide sleeve 4, one side of the piston 5.2 is provided with a pushing head 12, the position of the pushing head 12 corresponds to the position of the sliding block 10, one side of the pushing head 12 and one side of the sliding block 10 are both arranged to be inclined planes, and the sliding block 10 and the pushing head 12 are arranged outside the main spring 13.

Further, as shown in fig. 1, a sensor cover 6 is fixedly connected to one side of the cylinder bottom 5.3, a detection rod 7 is arranged inside the sensor cover 6, one end of the detection rod 7 is slidably connected to the cylinder bottom 5.3, one end of the detection rod 7 is fixedly connected to the piston 5.2, the other end of the detection rod 7 is fixedly connected to a magnetic ring 8, the sensor cover 6 is used for protecting the detection rod 7 and the magnetic ring 8, and whether the action of the valve rod 1 is in place or not is detected through the magnetic ring 8.

Further, referring to fig. 1, one end of the connecting cylinder 9 is provided with a port C, one side of the connecting flange 2 is provided with a port D, one side of the valve rod 1 is attached to the port D, the port C is a working medium inlet, and the port D is a working medium outlet.

The utility model discloses a theory of operation and use flow: two hydraulic oil channels, namely an opening A and an opening B, are arranged on the side face of the connecting flange 2 and are respectively communicated with a channel on the side wall of the cylinder barrel 5.1, one channel is communicated with the cylinder bottom 5.3, oil supply of a rod cavity and a rodless cavity at two sides of a piston 5.2 in the hydraulic cylinder 5 can be realized, one end of a connecting cylinder 9 is connected with an opening C of a working medium, when the liquid filling valve is opened, the opening A of the valve rod 1 is filled with oil, the opening B is filled with oil, the piston 5.2 slides to push the valve rod 1 to slide out from the opening D under the action of hydraulic pressure, the opening D is opened, the working medium flows in from the opening D through an inner cavity of the connecting cylinder 9, when the liquid filling valve is closed, the opening A of the valve rod 1 is filled with oil, the opening B is filled with oil, the piston 5.2 slides and retracts under the action of hydraulic pressure, and the side spring 11 and the main spring 13 provide elastic force for the piston 5.2 to assist in resetting, so that the opening D is closed, and the working medium stops flowing out.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

Claims

1. A novel prefill valve device, includes flange (2), its characterized in that: one side of the connecting flange (2) is fixedly connected with a connecting cylinder (9), a hydraulic cylinder (5) is arranged inside the connecting cylinder (9), the hydraulic cylinder (5) comprises a cylinder barrel (5.1), the cylinder barrel (5.1) is fixedly installed on one side of the connecting flange (2), a cylinder bottom (5.3) is arranged at one end of the cylinder barrel (5.1), a piston (5.2) is slidably connected inside the cylinder barrel (5.1), a sealing groove (14) is arranged on the outer side of the piston (5.2), a sealing ring is arranged inside the sealing groove (14), a valve rod (1) is screwed on one side of the piston (5.2) through threads, one end of the valve rod (1) is tightly attached to the inner side of the connecting flange (2), an A cylinder opening and a B opening are respectively formed in the upper side and the lower side of the connecting flange (2), and a built-in pipeline of the A opening, the cylinder barrel (5.1) and the cylinder bottom (5.3) is communicated with a rodless cavity on one side of the piston (5.2), the port B is communicated with a rod cavity at the other side of the piston (5.2) through a built-in pipeline of the connecting flange (2) and the cylinder barrel (5.1).

2. The novel prefill valve device of claim 1, wherein: the outer side of the valve rod (1) is sleeved with a guide sleeve (4), one end of the guide sleeve (4) is provided with a locking nut (3), and the guide sleeve (4) is fixedly connected with the connecting flange (2) through the locking nut (3).

3. The new prefill valve device of claim 2, wherein: the outer side of the valve rod (1) is sleeved with a main spring (13), and two ends of the main spring (13) are respectively tightly pressed on the guide sleeve (4) and the piston (5.2).

4. A new prefill valve device, according to claim 3, wherein: the one end inner wall fixedly connected with side spring (11) of cylinder (5.1), the one end fixedly connected with sliding block (10) of side spring (11), sliding block (10) and guide pin bushing (4) sliding connection, one side of piston (5.2) is provided with promotes head (12), and the position that just promotes head (12) corresponds with the position of sliding block (10), and just promotes a side of head (12) and a side of sliding block (10) and all sets up to the inclined plane, sliding block (10) and promotion head (12) are located the outside of main spring (13).

5. The novel prefill valve device of claim 1, wherein: one side of the cylinder bottom (5.3) is fixedly connected with a sensor cover (6), a detection rod (7) is arranged inside the sensor cover (6), one end of the detection rod (7) is connected with the cylinder bottom (5.3) in a sliding mode, one end of the detection rod (7) is fixedly connected with the piston (5.2), and the other end of the detection rod (7) is fixedly connected with a magnetic ring (8).

6. The novel prefill valve device of claim 1, wherein: one end of the connecting cylinder (9) is provided with a port C, one side of the connecting flange (2) is provided with a port D, and one side of the valve rod (1) is attached to the port D.