CN214331491U

CN214331491U - Self-sealing stop valve with equal-percentage window

Info

Publication number: CN214331491U
Application number: CN202120145208.8U
Authority: CN
Inventors: 金志远; 王大秋; 陈阿龙; 金汉聂; 钟庚福; 叶挺
Original assignee: Oulam Valve Technology Co ltd
Current assignee: Oulam Valve Technology Co ltd
Priority date: 2021-01-19
Filing date: 2021-01-19
Publication date: 2021-10-01
Anticipated expiration: 2031-01-19

Abstract

The utility model discloses a take percentage window's self sealss stop valve such as strip, which comprises a valve body, two flow openings have been seted up to the position that is close to tip down in the valve body, and in the inside that lies in the second side in the valve body is the cavity structure, and two said flow openings link up mutually, the inside fixed mounting of valve body has percentage cover such as, percentage cover outer wall fixedly connected with sealing ring such as, percentage cover such as with valve body inner wall fixed connection, the inside swing joint of valve body has the case, case outer wall fixedly connected with lip shape ring, the case is the cavity structure, the inside swing joint of valve body has the valve rod, tip threaded connection has the nut under the valve rod, the nut is located inside the case, the fixed position that is close to the upper end in the valve body has the indicator.

Description

Self-sealing stop valve with equal-percentage window

Technical Field

The utility model relates to a valve field especially relates to a take self sealss stop valve of percentage window such as.

Background

The sealing stop valve completely eliminates the defects that the packing of the valve rod of the common valve is aged quickly and is easy to leak, not only improves the energy efficiency, increases the safety of production equipment, reduces the frequent maintenance of maintenance cost machines, but also provides a clean and safe working environment.

The self-sealing stop valve is a valve structure for flow control, is mechanically controlled, and is relatively convenient and fast to use; the existing self-sealing stop valve does not have an equal-percentage window, control accuracy is judged manually when the self-sealing stop valve is used, and compared with mechanical calibration, the manual judgment has larger error.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model provides a take self sealss stop valve of percentage window such as can produce the higher technological effect of control accuracy.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a take equal percentage window's self sealss stop valve, includes the valve body, two flow openings have been seted up to the position that is close to lower tip in the valve body, and in the inside that is located the lower half in the valve body is the cavity structure, and two the flow openings link up mutually, the inside fixed mounting of valve body has equal percentage cover, equal percentage cover outer wall fixedly connected with sealing ring, equal percentage cover with valve body inner wall fixed connection, the inside swing joint of valve body has the case, case outer wall fixedly connected with lip shape ring, the case is the cavity structure, the inside swing joint of valve body has the valve rod, end threaded connection has the nut under the valve rod, the nut is located inside the case, the fixed position that is close to the upper end in the valve body has the indicator.

As an optimized technical scheme of the utility model, the valve rod in the valve body is inside can reciprocate.

As an optimal technical scheme of the utility model, case accessible valve rod reciprocates.

As an optimal technical solution of the utility model, the case with one of them the inner of flow port is laminated mutually.

As an optimal technical scheme of the utility model, a spacing clamp splice of fixedly connected with on the valve rod, spacing clamp splice with there is the interval between the nut, case fixing clip connects in clearance between the two.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

1. when the device is in a closed state, the valve core and the valve body are sealed under the action of the valve rod. In the opening state, the valve rod and the nut move upwards to drive the valve core to move upwards, so that the valve core cannot block the flow port, the opening state of the flow port is achieved, equal percentage adjustment can be achieved for the corresponding height when the valve core is opened, the equal percentage control groove is formed by calculating the equal percentage sleeve, the indicator corresponds to the opening of the valve core, the percentage is visualized on the indicator, and the rising height when the valve core is opened is observed conveniently;

2. the lip-shaped ring seals the equal-percentage sleeve and the valve core, and the sealing ring statically seals the valve body and the equal-percentage sleeve, so that the sealing performance of the whole device is ensured.

Drawings

Fig. 1 is the utility model discloses self sealss stop valve partial cut-away structure schematic diagram.

Wherein: 1. a valve body; 2. sleeving in equal percentage; 3. a valve core; 4. a nut; 5. a lip-shaped ring; 6. a seal ring; 7. a valve stem; 8. an indicator.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the invention easy to understand, the invention is further explained below with reference to the specific embodiments, but the following embodiments are only the preferred embodiments of the invention, not all. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in fig. 1, the utility model provides a, take self sealss stop valve of equal percentage window, including valve body 1, two flow openings have been seted up to the position that is close to tip down in the valve body 1, and the inside that lies in the lower half in valve body 1 is the cavity structure, two flow openings link up mutually, 1 inside fixed mounting of valve body has

equal percentage cover

2, 2 outer wall fixedly connected with sealing rings 6 of equal percentage cover, equal percentage cover 2 and 1 inner wall fixed connection of valve body, 1 inside swing joint of valve body has case 3, 3 outer wall fixedly connected with lip ring 5 of case, case 3 is the cavity structure, 1 inside swing joint of valve body has valve rod 7, threaded connection has nut 4 under the valve rod 7, nut 4 is located inside case 3, the fixed position that is close to the upper end in the valve body 1 has indicator 8.

In a closed state of the device, the valve core 3 and the valve body 1 are sealed under the action of the valve rod 7, in an open state, the valve rod 7 and the nut 4 move upwards to drive the valve core 3 to move upwards, so that the valve core 3 cannot block a flow through hole to achieve the open state of the flow through hole, the corresponding height can be adjusted in an equal percentage mode when the valve core is opened, an equal percentage control groove is formed in the equal percentage sleeve 2 through calculation, the indicator 8 corresponds to the valve core 3 to be opened, the percentage is visualized on the indicator 8, and the height which rises when the valve core is opened can be observed conveniently;

the lip ring 5 seals the equal percentage sleeve 2 and the valve cartridge 3. The sealing ring 6 is used for statically sealing the valve body 1 and the equal-percentage sleeve 2, so that the sealing performance of the whole device is ensured.

In another embodiment, as shown in fig. 1, the present embodiment discloses that the valve rod 7 can move up and down inside the valve body 1, and the valve core 3 can move up and down through the valve rod 7;

the valve rod 7 directly drives the valve core 3 to move up and down, and then the opening and closing of the flow through opening are controlled.

In another embodiment, as shown in fig. 1, this embodiment discloses that the valve cartridge 3 abuts the inner end of one of the flow ports.

In another embodiment, as shown in fig. 1, the embodiment discloses that a limiting clamping block is fixedly connected to the valve rod 7, a gap exists between the limiting clamping block and the nut 4, and the valve core 3 is fixedly clamped in the gap between the limiting clamping block and the nut;

this kind sets up the primary structure that valve rod 7 and case 3 are connected, ensures the stability between two structures, and then is convenient for valve rod 7 to carry out direct control to case 3.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a take self sealss stop valve of equal percentage window, includes valve body (1), its characterized in that: two flow through openings are arranged in the valve body (1) near the lower end part, the inner part of the lower half part of the valve body (1) is of a cavity structure, the two flow through openings are communicated, the equal-percentage sleeve (2) is fixedly arranged in the valve body (1), the outer wall of the equal-percentage sleeve (2) is fixedly connected with a sealing ring (6), the equal percentage sleeve (2) is fixedly connected with the inner wall of the valve body (1), a valve core (3) is movably connected inside the valve body (1), the outer wall of the valve core (3) is fixedly connected with a lip-shaped ring (5), the valve core (3) is of a cavity structure, a valve rod (7) is movably connected in the valve body (1), a nut (4) is connected with the lower end part of the valve rod (7) in a threaded manner, the nut (4) is positioned in the valve core (3), and an indicator (8) is fixedly arranged in the valve body (1) at a position close to the upper end part.

2. The self-sealing stop valve with the equal-percentage window as claimed in claim 1, wherein: the valve rod (7) can move up and down in the valve body (1).

3. The self-sealing stop valve with the equal-percentage window as claimed in claim 1, wherein: the valve core (3) can move up and down through the valve rod (7).

4. The self-sealing stop valve with the equal-percentage window as claimed in claim 1, wherein: the valve core (3) is attached to the inner end of one of the flow through holes.

5. The self-sealing stop valve with the equal-percentage window as claimed in claim 1, wherein: the valve rod (7) is fixedly connected with a limiting clamping block, an interval exists between the limiting clamping block and the nut (4), and the valve core (3) is fixedly clamped in a gap between the limiting clamping block and the nut.