CN212338257U

CN212338257U - Novel external control sealing ball valve

Info

Publication number: CN212338257U
Application number: CN202020725321.9U
Authority: CN
Inventors: 吴剑
Original assignee: Wuxi City Ree Ball Technology Co ltd
Current assignee: Wuxi City Ree Ball Technology Co ltd
Priority date: 2020-05-07
Filing date: 2020-05-07
Publication date: 2021-01-12
Anticipated expiration: 2030-05-07

Abstract

The utility model discloses a novel external control sealing ball valve, including valve casing and spheroid, the upper and lower both sides of valve casing all are equipped with the interface, on the interface respectively the spiro union have first sealed lid and the sealed lid of second, there are first round bar and second round bar in spheroidal upper and lower both sides fixed mounting respectively, the inner chamber sliding connection of first sealed lid has first sealing washer, be connected with first spring between the inner chamber bottom of first sealing washer and first sealed lid, first round bar runs through first sealing washer and rather than sliding connection, the lower extreme and the spheroid contact of first sealing washer, the inner chamber sliding connection of the sealed lid of second has the second sealing washer, the upper end and the spheroid contact of second sealing washer. The sealing ring is pushed to be pressed at the joint of the ball body and the sealing sleeve by the aid of the spring, so that good sealing performance can be still kept even if the sealing ring is abraded, and the sealing ring is mounted on the sealing cover and is convenient to assemble.

Description

Novel external control sealing ball valve

Technical Field

The utility model relates to a ball valve technical field specifically is a novel sealed ball valve of external control.

Background

The ball valve is a valve which is driven by a valve rod by a starting and closing part and rotates 90 degrees around the axis of the valve rod, the ball valve can flexibly control the confluence, the diversion and the flow direction switching of a medium on a pipeline, and can close any channel to connect the other two channels, and the ball valve is divided into a pneumatic ball valve, an electric ball valve, a manual ball valve and the like. The sealing gasket in the ball valve can wear after long-term use, thereby affecting the sealing performance.

Application number CN 201821294776.9's chinese patent, it discloses a novel sealed ball valve of external control, which comprises a valve body, the ring channel has been seted up to the inner wall of valve body, be equipped with the valve ball in the ring channel, the bottom fixedly connected with pivot of valve ball, the pivot is passed through the bearing and is connected with the lateral wall rotation of ring channel, the top fixedly connected with bull stick of valve ball, the lateral wall of ring channel is run through at the top of bull stick and is extended to the outside, the gear has been cup jointed to the pole wall of bull stick is fixed, gear engagement has the ring gear, two gag lever posts of bottom symmetry fixedly connected with of ring gear, two recesses corresponding with the gag lever post position have been seted up to the lateral wall of valve body, two gag lever posts extend to the interior setting of recess, the equal fixedly connected with stopper of both sides. Above-mentioned utility model can keep the stability of valve ball in the course of the work, and the people of being convenient for use can keep the leakproofness of valve body simultaneously. However, the above solution also has the following disadvantages: looking at the attached drawings of the specification of the scheme in detail, the sealing washer and the spring are positioned on the inner wall of the inner cavity of the valve body, so that the mounting and the assembly cannot be carried out, and the technical effect cannot be realized.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel sealed ball valve of external control 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 external control sealing ball valve, includes valve casing and spheroid, the upper and lower both sides of valve casing all are equipped with the interface, on the interface respectively the spiro union have first sealed lid and the sealed lid of second, there are first round bar and second round bar in spheroidal upper and lower both sides fixed mounting respectively, the inner chamber sliding connection of first sealed lid has first sealing washer, be connected with first spring between the inner chamber bottom of first sealing washer and first sealed lid, first round bar runs through first sealing washer and rather than sliding connection, the lower extreme and the spheroid contact of first sealing washer, the inner chamber sliding connection of the sealed lid of second has the second sealing washer, the upper end and the spheroid contact of second sealing washer.

Preferably, the inner cavity of the valve casing is fixedly connected with a tubular sealing sleeve, the sealing sleeve is provided with two sealing sleeves which are positioned on two sides of the sphere, and the end part of the sealing sleeve is a spherical surface.

Preferably, the first round rod penetrates through the first sealing cover and is rotatably connected with the first sealing cover, and a hand wheel is fixedly mounted at the upper end of the first round rod.

Preferably, the second round rod penetrates through the second sealing ring and is in sliding connection with the second sealing ring, a limiting ring is arranged in the middle of an inner cavity of the second sealing cover, and the lower end of the second round rod is clamped with the limiting ring.

Preferably, a second spring is connected between the second sealing ring and the bottom of the inner cavity of the second sealing cover, and the second spring is sleeved on the second round rod.

Compared with the prior art, the beneficial effects of the utility model are that: when the ball valve was closed, spheroidal sphere was to contradicting with the seal cover to can block fluidic circulation, first spring, second spring promoted first sealing washer, second sealing washer respectively, made the sealing washer press on spheroidal surface, sealed the junction of spheroid and seal cover, because the spring has pressure to the sealing washer, even so the sealing washer wearing and tearing, still can keep good leakproofness, the sealing washer is installed on the sealing cover in addition, conveniently assembles.

Drawings

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

fig. 2 is a schematic view of the installation of the ball body of the present invention.

In the figure: 1. a valve housing; 2. sealing sleeves; 3. an interface; 4. a limiting ring; 5. a second sealing cover; 6. a sphere; 7. a first sealing cover; 8. a second seal ring; 9. a second round bar; 10. a second spring; 11. a first seal ring; 12. a first round bar; 13. a hand wheel; 14. a first spring.

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. 1-2, the present invention provides a technical solution: the utility model provides a novel outer control sealing ball valve, includes valve casing 1 and spheroid 6, and the upper and lower both sides of valve casing 1 all are equipped with interface 3, and the pipy seal cover 2 of inner chamber fixedly connected with of valve casing 1, seal cover 2 are equipped with two and are located the both sides of spheroid 6, and the tip of seal cover 2 is the sphere, and when spheroid 6 rotated 90 degrees, the sphere of spheroid 6 was sealed with the outer end phase-match of seal cover 2.

A first sealing cover 7 and a second sealing cover 5 are respectively screwed on the interface 3, a first round rod 12 and a second round rod 9 are respectively and fixedly arranged at the upper side and the lower side of the sphere 6, a first sealing ring 11 is connected in a sliding way in the inner cavity of the first sealing cover 7, the first round rod 12 penetrates through the first sealing cover 7 and is rotationally connected with the first sealing cover, a hand wheel 13 is fixedly arranged at the upper end of the first round rod 12, a first spring 14 is connected between the first sealing ring 11 and the bottom of the inner cavity of the first sealing cover 7, the first round rod 12 penetrates through the first sealing ring 11 and is slidably connected with the first sealing ring 11, the lower end of the first sealing ring 11 is contacted with the sphere 6,

the inner chamber sliding connection of the sealed lid 5 of second has second sealing washer 8, the upper end and the spheroid 6 contact of second sealing washer 8, second round bar 9 runs through second sealing washer 8 and rather than sliding connection, second sealing washer 8 is the same with first sealing washer 11's structure, the inner chamber middle part of the sealed lid 5 of second is equipped with spacing collar 4, the lower extreme and the 4 joints of spacing collar of second round bar 9, be connected with second spring 10 between the inner chamber bottom of the sealed lid 5 of second sealing washer 8 and second, second spring 10 cup joints on second round bar 9.

The working principle is as follows: can rotate spheroid 6 through hand wheel 13, when the passageway of spheroid 6 is perpendicular with valve casing 1's passageway, the sphere of spheroid 6 is to contradicting with seal cover 2, thereby can block fluidic circulation, first spring 14, second spring 10 promotes first sealing washer 11 respectively, second sealing washer 8, make the sealing washer press on spheroid 6's surface, seal the junction of spheroid 6 and seal cover 2, because the spring has pressure to the sealing washer, so even the sealing washer wearing and tearing, still can keep good leakproofness, the sealing washer is installed on the gland in addition, the convenience is assembled.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel external control seals ball valve, includes valve casing (1) and spheroid (6), its characterized in that: the upper and lower both sides of valve casing (1) all are equipped with interface (3), there are first sealed lid (7) and the sealed lid of second (5) in difference spiro union on interface (3), there are first round bar (12) and second round bar (9) in the upper and lower both sides difference fixed mounting of spheroid (6), the inner chamber sliding connection of first sealed lid (7) has first sealing washer (11), be connected with first spring (14) between the inner chamber bottom of first sealing washer (11) and first sealed lid (7), first round bar (12) run through first sealing washer (11) and rather than sliding connection, the lower extreme and spheroid (6) contact of first sealing washer (11), the inner chamber sliding connection of the sealed lid of second (5) has second sealing washer (8), the upper end and spheroid (6) contact of second sealing washer (8).

2. The novel external control sealing ball valve according to claim 1, characterized in that: the inner cavity of the valve casing (1) is fixedly connected with a tubular sealing sleeve (2), the sealing sleeve (2) is provided with two sides which are positioned on a ball body (6), and the end part of the sealing sleeve (2) is a spherical surface.

3. The novel external control sealing ball valve according to claim 1, characterized in that: the first round rod (12) penetrates through the first sealing cover (7) and is rotatably connected with the first sealing cover, and a hand wheel (13) is fixedly mounted at the upper end of the first round rod (12).

4. The novel external control sealing ball valve according to claim 1, characterized in that: second round bar (9) run through second sealing washer (8) and rather than sliding connection, the inner chamber middle part of the sealed lid of second (5) is equipped with spacing collar (4), the lower extreme and the spacing collar (4) joint of second round bar (9).

5. The novel external control sealing ball valve according to claim 1, characterized in that: and a second spring (10) is connected between the second sealing ring (8) and the bottom of the inner cavity of the second sealing cover (5), and the second spring (10) is sleeved on the second round rod (9).