Baffle valve
By combining the cylinder and piston rod structure with a magnetic ring and a sensor, the problem of valve plate misalignment caused by piston wobbling in the baffle valve is solved, thus achieving stable piston movement and accurate opening and closing of the valve plate.
Patent Information
- Application Number
- CN202520395111.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-07
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2035-03-07
AI Technical Summary
The existing baffle valve is prone to shaking during the reciprocating motion of the piston, which causes the valve plate to shift and affects normal use.
It adopts a combination structure of cylinder, piston, piston rod and guide rod. The opening and closing movement of piston and valve plate is controlled by the air filling inside the cylinder, and the movement stability is improved by using magnetic ring, sensor and buffer pad.
This achieves stability of the piston during reciprocating motion, ensures accurate opening and closing of the valve plate, avoids deviation, and improves the reliability of the baffle valve.
Smart Images
Figure CN223635492U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the valve body field especially is involved in the baffle valve. BACKGROUND
[0002] Vacuum valve refers to the vacuum system element in vacuum system, used for changing airflow direction, adjusting gas flow size, cutting off or connecting pipeline. Among them, the baffle valve is a common control valve, mainly used for medium flow regulation and cut-off. Its simple structure, convenient operation, is widely used in petroleum chemical industry, tap water, sewage treatment, electric power, metallurgy and other industries, but the baffle valve in the prior art is driven by the reciprocating motion of the piston to open and close the valve plate, and the piston is prone to sway during reciprocating motion, which causes the valve plate to deviate during opening and closing, thereby affecting the normal use of the baffle valve. Therefore, the baffle valve is proposed. SUMMARY
[0003] The utility model discloses to overcome the above-mentioned situation shortage, aims at providing a kind of technical scheme that can solve above-mentioned problem.
[0004] Baffle valve, including valve body, the valve body top transverse arrangement has cylinder seat, and cylinder seat top vertical arrangement has cylinder barrel, and cylinder barrel top transverse arrangement has cylinder cover and cylinder barrel pipeline connection has inflating equipment, the one side vertical arrangement of cylinder seat top has guide rod, and guide rod vertical inside cylinder barrel, and the other end of guide rod is connected between cylinder cover, the guide rod sleeve is equipped with piston, and piston moves up and down on the side of guide rod, and piston transverse inside cylinder barrel, the vertical arrangement of piston bottom end has piston rod, and piston rod vertical penetrates cylinder seat and vertical in valve body interior, and piston and piston rod are in the same moving direction between, the transverse arrangement of piston rod bottom end has valve plate, and valve plate is transverse in the bottom end of valve body interior, and piston rod and valve plate are in the same moving direction between.
[0005] Preferably, the upper and lower ends of one side of the cylinder barrel are respectively transversely provided with a first gas port and a second gas port, and the upper and lower ends of the other side of the cylinder barrel are respectively provided with a first sensor and a second sensor, the first gas port and the second gas port are respectively connected with the cylinder barrel by pipelines, the first gas port and the second gas port are respectively connected with the inflating equipment by pipelines, and the first sensor and the second sensor are respectively electrically connected with the inflating equipment.
[0006] Preferably, the piston is provided with a magnetic ring, the magnetic ring is sleeved on the outer side of the piston, and the magnetic ring and the piston are in the same moving direction.
[0007] Preferably, the piston is provided with a buffer pad, the buffer pad is transversely located at the upper and lower ends of the piston, and the buffer pad and the piston are in the same moving direction.
[0008] Preferably, a dustproof ring is arranged between the piston rod and the cylinder seat, and the dustproof ring is transversely located at the middle position of the cylinder seat, and the piston rod penetrates the dustproof ring.
[0009] Compared with the prior art, the utility model has the beneficial effects that when the valve plate is transversely located at the bottom end inside the valve body and the piston is transversely located at the bottom end inside the cylinder barrel, the external inflation equipment continuously inflates the bottom end inside the cylinder barrel, so that the piston rises from the bottom end inside the cylinder barrel and the piston rod drives the valve plate to rise from the bottom end inside the valve body until the piston is transversely located at the top end inside the cylinder barrel, at this time, the valve plate is fully opened, the valve body is in the open state, and the external inflation equipment stops inflating; on the contrary, when the external inflation equipment continuously inflates the top end inside the cylinder barrel, the piston located at the top end inside the cylinder barrel is pressed downward, so that the piston moves downward from the top end inside the cylinder barrel and the piston rod drives the valve plate to move downward from the top end inside the valve body until the piston is transversely located at the bottom end inside the cylinder barrel, at this time, the valve plate is fully transversely attached to the bottom end of the valve body, and the valve body is in the closed state, and the external inflation equipment stops inflating, and when the piston reciprocates up and down inside the cylinder barrel, the piston is guided by the guide rod, so that the piston is more stable during reciprocation.
[0010] The additional aspects and advantages of the utility model will be partially given in the following description, some will become apparent from the following description, or be known by the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS
[0011] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without paying the creative labor.
[0012] Fig. 1 It is the structure schematic view of baffle valve;
[0013] Fig. 2 It is another structure schematic view of baffle valve.
[0014] As shown in the figure: 1, valve body, 2, valve plate, 3, piston rod, 4, dustproof ring, 5, cylinder seat, 6, cylinder barrel, 7, first air port, 8, magnetic ring, 9, piston, 10, buffer pad, 11, guide rod, 12, second air port, 13, cylinder cover, 14, first sensor, 15, second sensor. DETAILED DESCRIPTION
[0015] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.
[0016] Please refer to Figs. 1-2 In the embodiments of the present application, the baffle valve comprises a valve body 1, a cylinder seat 5 is horizontally arranged at the top end of the valve body 1, a cylinder barrel 6 is vertically arranged at the top end of the cylinder seat 5, and the top end of the cylinder barrel 6 is horizontally provided with a cylinder cover 13, and the cylinder barrel 6 is connected with an inflating device (not shown in the figure), a guide rod 11 is vertically arranged at one side of the top end of the cylinder seat 5, the guide rod 11 is vertically located inside the cylinder barrel 6, and the other end of the guide rod 11 is connected with the cylinder cover 13, a piston 9 is sleeved on the guide rod 11, the piston 9 moves up and down on the side surface of the guide rod 11, and the piston 9 is horizontally located inside the cylinder barrel 6, a piston rod 3 is vertically arranged at the bottom end of the piston 9, the piston rod 3 vertically penetrates the cylinder seat 5 and is vertically located inside the valve body 1, and the piston 9 and the piston rod 3 are in the same moving direction, a valve plate 2 is horizontally arranged at the bottom end of the piston rod 3, the valve plate 2 is horizontally located at the bottom end inside the valve body 1, and the piston rod 3 and the valve plate 2 are in the same moving direction; when the valve plate 2 is horizontally located at the bottom end inside the valve body 1 and the piston 9 is horizontally located at the bottom end inside the cylinder barrel 6, the external inflating device continuously inflates the bottom end inside the cylinder barrel 6, so that the piston 9 rises from the bottom end inside the cylinder barrel 6 and drives the valve plate 2 to rise from the bottom end inside the valve body 1 until the piston 9 is horizontally located at the top end inside the cylinder barrel 6, at this time, the valve plate 2 is fully opened, the valve body 1 is in an open state, and the external inflating device stops inflating; conversely, when the external inflating device continuously inflates the top end inside the cylinder barrel 6, the piston 9 located at the top end inside the cylinder barrel 6 is pressed downward, so that the piston 9 moves downward from the top end inside the cylinder barrel 6 and drives the valve plate 2 to move downward from the top end inside the valve body 1 until the piston 9 is horizontally located at the bottom end inside the cylinder barrel 6, at this time, the valve plate 2 is completely horizontally attached to the bottom end of the valve body 1, the valve body 1 is in a closed state, and the external inflating device stops inflating.
[0017] The first air port 7 and the second air port 12 are respectively connected with the cylinder barrel 6 by pipelines, and the first air port 7 and the second air port 12 are respectively connected with the inflating device by pipelines, and the first sensor 14 and the second sensor 15 are respectively electrically connected with the inflating device, so that the external inflating device can inflate the inside of the cylinder barrel 6 at the bottom end and the top end respectively through the first air port 7 and the second air port 12, so as to drive the piston 9 in the cylinder barrel 6 to move up and down, and the first sensor 14 and the second sensor 15 can sense the piston 9 at the top end or the bottom end in the cylinder barrel 6, so as to drive the inflating device to stop inflating or inflate.
[0018] The piston 9 is provided with a magnetic ring 8, the magnetic ring 8 is sleeved on the outer side of the piston 9, and the magnetic ring 8 and the piston 9 are in the same moving direction, so that the piston 9 is magnetically inducted by the first sensor 14 and the second sensor 15 when moving to the top end or the bottom end in the cylinder barrel 6 through the magnetic ring 8.
[0019] The piston 9 is provided with a buffer pad 10, the buffer pad 10 is transversely arranged at the top end and the bottom end of the piston 9, and the buffer pad 10 and the piston 9 are in the same moving direction, so that the piston 9 reduces the impact force of the piston 9 and the cylinder cover 13 when moving up and down in the cylinder barrel 6 and contacting the cylinder cover 13 or the cylinder base 5 through the buffer pad 10.
[0020] The dustproof ring 4 is arranged between the piston rod 3 and the cylinder base 5, the dustproof ring 4 is transversely arranged at the middle position of the cylinder base 5, and the piston rod 5 penetrates through the dustproof ring 4, so that the piston rod 5 does not enter the cylinder barrel 6 in the moving process through the dustproof ring 4.
[0021] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application.
Claims
1. A flapper valve comprising a valve body, characterised in that, The valve body top end is transversely provided with a cylinder seat, the cylinder seat top end is vertically provided with a cylinder barrel, and the cylinder barrel top end is transversely provided with a cylinder cover, the cylinder seat top end is vertically provided with a guide rod on one side, the guide rod is vertically located inside the cylinder barrel, and the guide rod is connected between the other end and the cylinder cover, the guide rod is sleeved with a piston, the piston moves up and down on the side of the guide rod, the piston is transversely located inside the cylinder barrel, the piston bottom end is vertically provided with a piston rod, the piston rod vertically penetrates the cylinder seat and is vertically located inside the valve body, and the piston and the piston rod are in the same moving direction, the piston rod bottom end is transversely provided with a valve plate, the valve plate is transversely located inside the valve body at the bottom end, and the piston rod and the valve plate are in the same moving direction.
2. The flapper valve of claim 1, wherein, The upper and lower ends of the one side of the cylinder barrel are respectively transversely provided with a first gas port and a second gas port, and the upper and lower ends of the other side of the cylinder barrel are respectively provided with a first sensor and a second sensor, the first gas port and the second gas port are respectively connected with the cylinder barrel through pipelines, the first gas port and the second gas port are respectively connected with the inflating equipment through pipelines, and the first sensor and the second sensor are respectively electrically connected with the inflating equipment.
3. The flapper valve of claim 2, wherein, The piston is provided with a magnetic ring, the magnetic ring is sleeved on the outer side of the piston, and the magnetic ring and the piston are in the same moving direction.
4. The flapper valve of claim 1, wherein, The piston is provided with a buffer pad, the buffer pad is transversely located at the upper and lower ends of the piston, and the buffer pad and the piston are in the same moving direction.
5. The flapper valve of claim 1, wherein, The piston rod and the cylinder seat are provided with a dustproof ring, the dustproof ring is transversely located at the middle position of the cylinder seat, and the piston rod penetrates the dustproof ring.