CN219366861U - Novel soft sealing ball valve - Google Patents

Abstract

The utility model provides a novel soft seal ball valve, includes valve body, valve ball, valve rod, fixed establishment, filter screen, can dismantle seal structure. A valve ball is arranged in the middle of the valve body; and an installation tube is fixedly connected above the right middle of the valve body. The valve rod is fixedly connected with the valve ball after extending into the mounting tube, and is rotationally connected with the inner wall of the mounting tube; the side wall of the valve rod is fixedly provided with a mounting plate; the fixing mechanism is arranged above the mounting tube and is used for fixing the valve rod after rotating; the filter screen is vertically arranged at the water inlet end of the valve body, the upper end of the filter screen penetrates through the wall of the valve body to extend out of the valve body, a groove is formed in the wall of the valve body at the position corresponding to the right lower end of the filter screen, and the lower end of the filter screen extends into the groove; the detachable sealing structure is arranged right above the filter screen, the upper end of the filter screen is tightly propped against the filter screen to realize sealing, and the filter screen can be detached and replaced after the detachable sealing structure is detached. The utility model discloses utilize the filter screen interception impurity to the filter screen is convenient for carry out dismouting and change.

Description

Novel soft sealing ball valve

Technical Field

The utility model relates to the technical field of valves, in particular to a novel soft sealing ball valve.

Background

The soft sealing ball valve has 90 degree action, the cock body is a sphere, is a common valve structure, has a circular through hole or a channel through the axis thereof, drives the cock body to rotate through the valve rod, and has various characteristics of small fluid resistance, simple structure, small volume, light weight, convenient operation and the like.

The valve ball (cock body) of the soft sealing ball valve adopts soft materials, impurities are often contained in fluid, the impurities are accumulated at the valve ball to affect the normal operation of the valve ball, the impurities in the fluid can be filtered through the mode of installing a filter screen at the position of the water inlet end of the ball valve, the filter screen can generate corrosion damage after the service time is too long, the filter screen needs to be replaced, the filter screen is installed inside the inlet end of the valve body, the valve body needs to be detached when the filter screen is replaced, and the valve body is more troublesome, for example, the prior art grants Chinese patent with publication number CN 113304521B, and discloses a novel soft sealing ball valve, the filter screen of the filtering device can be detached only by the screw rod and the connecting rod inside the valve body, and the disassembly is more difficult and troublesome. The prior art grants the chinese patent of publication number CN 211649264U and discloses a novel soft sealing ball valve, drives the top pressure board through the mode of long screw and contracts then take out the filter screen, and this kind of mode is comparatively simple and practical, but needs to increase a sealing mechanism, otherwise can cause the valve body leakproofness not enough. Therefore, the filter screen in the prior art is difficult to detach and replace, and has defects in the structure, so that the valve body can be ensured to work normally, and the installation structure can be detached and replaced quickly.

In order to solve the problems by providing a filter screen which is convenient to detach and replace, a novel soft sealing ball valve is provided.

Disclosure of Invention

Aiming at the problems of the prior art, the utility model aims to provide a novel soft sealing ball valve.

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

a novel soft seal ball valve, comprising:

a valve body; a valve ball is arranged in the middle of the valve body; and an installation tube is fixedly connected above the right middle of the valve body.

The novel soft sealing ball valve further comprises: the valve rod, the fixing mechanism, the filter screen and the detachable sealing structure; the valve rod is fixedly connected with the valve ball after extending into the mounting tube, and is rotationally connected with the inner wall of the mounting tube; the side wall of the valve rod is fixedly provided with a mounting plate; the fixing mechanism is arranged above the mounting tube and is used for fixing the valve rod after rotating; the filter screen is vertically arranged at the water inlet end of the valve body, the upper end of the filter screen penetrates through the wall of the valve body to extend out of the valve body, a groove is formed in the wall of the valve body at the position corresponding to the right lower end of the filter screen, and the lower end of the filter screen extends into the groove; the detachable sealing structure is arranged right above the filter screen, the upper end of the filter screen is tightly propped against the filter screen to realize sealing, and the filter screen can be detached and replaced after the detachable sealing structure is detached.

As a further improvement of the scheme, the upper end of the valve rod is fixedly provided with a handle.

As a further improvement of the scheme, the fixing mechanism comprises a fixing ring and a threaded rod; the fixed ring is arranged right above the mounting pipe; four thread grooves are uniformly formed on the periphery of the fixed ring; the threaded rod penetrates through the mounting plate and stretches into one of the thread grooves on the fixed ring; the threaded rod is in threaded connection with the mounting plate and the threaded groove.

As a further improvement of the scheme, a sealing gasket is also arranged between the fixed ring and the valve rod.

As a further improvement of the scheme, the detachable sealing structure comprises a stop block, a mounting block, a fixing plate and a fixing screw rod; the stop block is arranged right above the filter screen, mounting grooves are respectively formed in the wall of the valve body at the corresponding positions of the two ends of the stop block, and the two ends of the stop block extend into the two mounting grooves; a mounting block is fixedly arranged above the stop block; the fixed plate is fixedly arranged above the valve body, and one side of the stop block is provided with a stop block; the fixing screw rod transversely penetrates through the fixing plate and then stretches into the mounting block; the fixing screw is in threaded connection with the fixing plate and the mounting block.

As a further improvement of the scheme, a sealing piece is arranged between the stop block and the filter screen.

As a further improvement of the scheme, the sealing piece is made of rubber.

Compared with the prior art, the utility model has the beneficial effects that: the utility model discloses a filter screen is installed and is blocked impurity at the valve body water inlet end, and when the filter screen needs to be changed, only need unscrew fixing screw from the installation piece, take off the dog, can take out the filter screen later and change, after installing new filter screen, put the dog back in situ, fix fixing screw in installation piece. The filter screen can be used for blocking impurities in the fluid, and is convenient to disassemble and assemble.

Drawings

The utility model is further described below with reference to the accompanying drawings.

FIG. 1 is a schematic cross-sectional view of the present utility model;

FIG. 2 is a schematic top view of the retaining ring of the present utility model;

FIG. 3 is a schematic view of a removable seal structure of the present utility model;

FIG. 4 is a schematic view of a fastening mechanism according to the present utility model;

the drawing is marked, 1, valve body; 11. installing a pipe; 2. a valve ball; 3. a valve stem; 31. a handle; 32. a mounting plate; 4. a fixing mechanism; 41. a fixing ring; 411. a thread groove; 42. a sealing gasket; 43. a threaded rod; 5. a filter screen; 6. a detachable sealing structure; 61. a stop block; 62. a mounting block; 63. a sealing sheet; 64. a fixing plate; 65. and (5) fixing the screw rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all, examples of the present utility model.

Example 1:

as shown in fig. 1 to 4, a novel soft sealing ball valve of the present embodiment includes: valve body 1, valve ball 2, valve rod 3, fixed establishment 4, filter screen 5, detachable seal structure 6.

A valve ball 2 is arranged in the middle of the valve body 1; a mounting pipe 11 is fixedly connected above the middle of the valve body 1; the valve rod 3 is fixedly connected with the valve ball 2 after extending into the mounting tube 11, and the valve rod 3 is rotationally connected with the inner wall of the mounting tube 11; the upper end of the valve rod 3 is also fixedly provided with a handle 31; the side wall of the valve rod 3 is fixedly provided with a mounting plate 32; the fixing mechanism 4 is arranged above the mounting tube 11 and is used for fixing the valve rod 3 after rotating; the filter screen 5 is vertically arranged at the water inlet end of the valve body 1, the upper end of the filter screen 5 penetrates through the wall of the valve body 1 to extend out of the valve body 1, a groove is formed in the wall of the valve body 1 at the position corresponding to the right lower end of the filter screen 5, and the lower end of the filter screen 5 extends into the groove; the detachable sealing structure 6 is arranged right above the filter screen 5, the upper end of the filter screen 5 is tightly propped against the filter screen to realize sealing, and the filter screen 5 can be detached and replaced after the detachable sealing structure 6 is detached.

When the ball valve needs to be opened, the ball valve is opened by rotating the valve rod 3 to rotate the valve ball 2, the valve rod 3 is fixed by the fixing mechanism 4, the filter screen 5 installed at the water inlet end can intercept impurities, and when the filter screen 5 needs to be replaced, the filter screen 5 is installed after being detached and replaced through the detachable sealing structure 6.

Example 2:

as shown in fig. 1, 2 and 4, the novel soft sealing ball valve of the present embodiment is basically the same as that of embodiment 1, and further, the fixing mechanism 4 comprises a fixing ring 41 and a threaded rod 43; the fixing ring 41 is installed right above the installation tube 11; four thread slots 411 are uniformly formed on the periphery of the fixed ring 41; the threaded rod 43 passes through the mounting plate 32 and extends into one of the thread slots 411 on the fixed ring 41; the threaded rod 43 is in threaded connection with both the mounting plate 32 and the threaded slot 411; a gasket 42 is also provided between the fixing ring 41 and the valve stem 3.

When it is desired to rotate the valve stem, the threaded rod is removed from the mounting plate and retaining ring, and then after 90 degrees of rotation of the valve stem, the threaded rod 43 is mounted on the mounting plate 32 and the other threaded slot 411 aligned at that time; the valve rod 3 can be fixed. A gasket 42 is provided between the fixing ring 41 and the valve stem 3 to enhance sealing performance.

Example 3:

as shown in fig. 1 and 3, the novel soft sealing ball valve of the present embodiment is basically the same as that of embodiment 2, and further, the detachable sealing structure 6 includes a stop block 61, a mounting block 62, a fixing plate 64 and a fixing screw 65; the stop block 61 is arranged right above the filter screen 5, mounting grooves are respectively formed in the wall of the valve body 1 at the corresponding positions of the two ends of the stop block 61, and the two ends of the stop block 61 extend into the two mounting grooves; a mounting block 62 is fixedly arranged above the stop block 61; the fixed plate 64 is fixedly arranged above the valve body 1, and one side of the stop block 61; the fixing screw 65 transversely passes through the fixing plate 64 and then extends into the mounting block 62; the fixing screw 65 is screwed with both the fixing plate 64 and the mounting block 62. A sealing piece 63 is arranged between the stop block 61 and the filter screen 5; the sealing piece 63 is made of rubber.

When the filter screen 5 needs to be replaced, the fixing screw 65 is unscrewed from the mounting block 62, then the stop block 61 is taken down from the upper side of the valve body 1, the filter screen 5 can be directly taken out for replacement, after a new filter screen 5 is placed, the stop block 61 is replaced, the fixing screw 65 is screwed into the mounting block 62, and the stop block 61 can be fixed. The filter screen 5 is very convenient to assemble, disassemble and replace, and the stop block 61 and the sealing piece 63 seal the upper end of the filter screen 5, so that the sealing performance is good.

The foregoing is merely illustrative and explanatory of the utility model, as it is well within the scope of the utility model, as it is intended to provide those skilled in the art with various modifications, additions and substitutions to the specific embodiments disclosed and those skilled in the art without departing from the scope of the utility model as disclosed in the accompanying claims.

Claims (7)

1. A novel soft seal ball valve, comprising:

a valve body (1); a valve ball (2) is arranged in the middle of the valve body (1); a mounting pipe (11) is fixedly connected above the right middle of the valve body (1);

the novel soft sealing ball valve is characterized by further comprising: the valve rod (3), the fixing mechanism (4), the filter screen (5) and the detachable sealing structure (6); the valve rod (3) is fixedly connected with the valve ball (2) after extending into the mounting tube (11), and the valve rod (3) is rotationally connected with the inner wall of the mounting tube (11); the side wall of the valve rod (3) is fixedly provided with a mounting plate (32); the fixing mechanism (4) is arranged above the mounting pipe (11) and is used for fixing the valve rod (3) after rotating; the filter screen (5) is vertically arranged at the water inlet end of the valve body (1), the upper end of the filter screen (5) penetrates through the wall of the valve body (1) and extends out of the valve body (1), a groove is formed in the wall of the valve body (1) at the position corresponding to the right lower end of the filter screen (5), and the lower end of the filter screen (5) extends into the groove; the detachable sealing structure (6) is arranged right above the filter screen (5), the upper end of the filter screen (5) is tightly propped against the filter screen to realize sealing, and the filter screen (5) can be detached and replaced after the detachable sealing structure (6) is detached.

2. The novel soft sealing ball valve according to claim 1, wherein a handle (31) is fixedly arranged at the upper end of the valve rod (3).

3. The novel soft sealing ball valve according to claim 1, wherein the fixing mechanism (4) comprises a fixing ring (41) and a threaded rod (43); the fixing ring (41) is arranged right above the mounting pipe (11); four thread grooves (411) are uniformly formed in the periphery of the fixed ring (41); the threaded rod (43) penetrates through the mounting plate (32) and stretches into one of the thread grooves (411) on the fixed ring (41); the threaded rod (43) is in threaded connection with the mounting plate (32) and the threaded groove (411).

4. A new ball valve according to claim 3, characterized in that a gasket (42) is also provided between the fixing ring (41) and the valve stem (3).

5. The novel soft sealing ball valve according to claim 1, wherein the detachable sealing structure (6) comprises a stop block (61), a mounting block (62), a fixing plate (64) and a fixing screw (65); the stop block (61) is arranged right above the filter screen (5), mounting grooves are respectively formed in the wall of the valve body (1) at the corresponding positions of the two ends of the stop block (61), and the two ends of the stop block (61) extend into the two mounting grooves; a mounting block (62) is fixedly arranged above the stop block (61); the fixed plate (64) is fixedly arranged above the valve body (1), and one side of the stop block (61) is provided with a plurality of fixing holes; the fixing screw rod (65) transversely penetrates through the fixing plate (64) and then extends into the mounting block (62); the fixing screw (65) is in threaded connection with the fixing plate (64) and the mounting block (62).

6. The novel soft sealing ball valve according to claim 5, wherein a sealing piece (63) is arranged between the stop block (61) and the filter screen (5).

7. The novel soft sealing ball valve according to claim 6, wherein the sealing piece (63) is made of rubber.