CN211423443U

CN211423443U - Ball valve

Info

Publication number: CN211423443U
Application number: CN201922453091.5U
Authority: CN
Inventors: 陈继业
Original assignee: Yongjia Liye Valve Co ltd
Current assignee: Zhejiang Liye Valve Co ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-09-04
Anticipated expiration: 2029-12-26

Abstract

The utility model discloses a ball valve, which has the technical proposal that the ball valve comprises a valve body, a valve cover, a valve seat, a valve rod and a ball body, a valve cavity is formed between the valve body and the valve seat, a rotating structure for driving the ball body to rotate is arranged below the ball body, the rotating structure comprises a rotating rod and a knob which are coaxially arranged with the valve rod, one end of the rotating rod is provided with a polygon prism with the diameter larger than that of the rotating rod, the other end of the rotating rod penetrates through the valve body to be connected with the knob, a GREEN ring is arranged at the joint of the rotary rod and the valve body, a fixing groove for fixing the polygon prism is arranged below the ball body, the side surface of the fixed groove is provided with a notch for the polygon prism to slide in, after the ball valve is used for a long time, the junction between valve rod and the spheroid can produce wearing and tearing and produce the gap, leads to the valve rod spheroid to close completely when closed position, can drive the spheroid through rotating revolution mechanic this moment and turn to the closed condition.

Description

Ball valve

Technical Field

The utility model relates to a valve, more specifically say that it relates to a ball valve.

Background

At present, the ball valve is widely applied to daily life of people, but because the ball valve service life overlength causes the inside abrasion of the valve rod, thereby leading to the fact that the ball body can not be closed completely after the valve rod is closed, the medium through the ball valve still can leak, at this moment need go to close the main brake and dismantle the maintenance with the ball valve, but the rhythm of life is fast now, and most ball valves can not get in time the maintenance, and this has just caused serious wasting of resources.

SUMMERY OF THE UTILITY MODEL

The utility model provides a ball valve has to prior art exists not enough, the utility model discloses after the ball valve live time overlength, the junction between valve rod and the spheroid can produce wearing and tearing and produce the gap, leads to the valve rod spheroid to close completely when the closed position, can drive the spheroid through rotating revolution mechanic this moment and turn to the closed condition.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a ball valve, includes valve body, valve gap, disk seat, valve rod and spheroid, form the valve pocket between valve body and the disk seat, the spheroid below is equipped with and is used for driving spheroid pivoted revolution mechanic, revolution mechanic includes swing arm and the knob with the coaxial setting of valve rod, swing arm one end is equipped with the polygon prism other end that is greater than the swing arm diameter and passes the valve body and be connected with the knob, the swing arm is equipped with the glary circle with the valve body junction, the spheroid below is equipped with the fixed slot that is used for fixed polygon prism, open the fixed slot side has the incision that supplies polygon prism slip-in.

By adopting the technical scheme, a group of rotating structures are additionally arranged on the ball valve, a rotating rod in the rotating structures penetrates through the valve body from the valve cavity, a knob for providing rotating force is arranged on the rotating rod outside the valve body, a polygonal column which is larger than the rotating rod is arranged inside the rotating rod, the polygonal column on the rotating rod can be fixed in a fixing groove at the bottom of the ball body, when the knob is turned by hand, the rotary structure can drive the ball body in the ball valve to rotate simultaneously, when the ball valve is used for a long time, the joint of the valve rod and the ball body generates a gap due to abrasion, so that the ball body is not completely closed when the valve rod is at the closed position, a medium in the ball valve is reserved and is not completely blocked, the structure can compensate the deviation between the ball valve and the valve rod when the ball body is not completely closed, so that the ball valve is completely closed, and the glary circle is arranged at the joint of the rotary rod and the valve body, so that the rotary rod can rotate and the tightness of the ball valve is ensured.

The utility model discloses further set up to: revolution mechanic is still including revolving a section of thick bamboo, sleeve and compression spring, revolve a section of thick bamboo and swing arm threaded connection, the sleeve cover is established on revolving a section of thick bamboo to with revolve a section of thick bamboo activity setting, the sleeve still is provided with the upper mounting plate, the upper mounting plate offsets with the valve body, revolve a section of thick bamboo and still be provided with down the platform, the knob cover is established at the upper mounting plate under and between the platform, the compression spring cover is established between upper mounting plate and knob, be provided with the arch of mutual dislocation on knob and the lower platform, the arch is provided with guide part and the block portion that can offset of guide effect.

Through adopting above-mentioned technical scheme, can not confirm that the direction is the direction of closing the ball valve toward which direction rotation in the in-service use process ball valve, the direction is closed the ball valve when setting up this kind of structure and can making the knob rotate, just can let the arch on the knob drive down the protruding rotation on the platform, drive the swing arm simultaneously and rotate with the spheroid, play the effect of closing the ball valve, if toward opening the rotatory case of ball valve direction, through bellied guide part, make two sets of protruding rotation that staggers relatively, lead to the knob can not drive down the platform and rotate, also make the knob idle running exactly.

The utility model discloses further set up to: the rotating structure further comprises a nut, the nut is in threaded connection with the rotating rod and locks the rotating cylinder, and the compression spring is sleeved on the sleeve and abuts between the upper platform and the knob.

By adopting the technical scheme, the rotary cylinder is fixed on the fixed column, and the rotary rod can rotate along with the rotary cylinder.

The utility model discloses further set up to: the polygonal column of the rotating rod is a regular hexagonal column coaxial with the rotating rod.

Through adopting above-mentioned technical scheme, better drive spheroid when making the screw rod rotate.

The utility model discloses further set up to: the outer surface of the polygon prism of the rotating rod is provided with a rubber layer.

Through adopting above-mentioned technical scheme, make the swing arm can not produce wearing and tearing with between the spheroid in the normal use of ball valve.

The utility model discloses further set up to: the surface of the knob is provided with anti-skid lines.

Through adopting above-mentioned technical scheme, increase the frictional force of knob and hand when using the knob, make and can not skid between hand and the knob.

To sum up, the utility model discloses following beneficial effect has:

1. after the ball valve live time is too long, when valve rod and spheroid junction produced the gap, can reach the state that the ball valve was closed through the rotatory ball valve of knob structure, and through the arch that sets up on knob and the lower platform can make the knob can not drive the swing arm rotatory when rotatory direction is wrong, when can not confirming whether there is the medium in the ball valve export to flow out, plays the effect that prevents to open the ball valve.

2. The use of ball valve can not cause the influence in daily use to be provided with anti-skidding line on the knob, make the knob can be more easily rotated.

Drawings

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

FIG. 2 is an exploded view of the rotary structure of the present embodiment;

FIG. 3 is a perspective view of a sphere in accordance with the present embodiment;

fig. 4 is a partially enlarged view of the present embodiment.

Reference numerals: 1. a valve body; 2. a valve cover; 3. a valve stem; 4. a Glare circle; 5. a sphere; 51. fixing grooves; 52. cutting; 6. a rotating structure; 61. rotating the rod; 611. a polygonal column; 612. fixing a column; 62. a knob; 63. a nut; 64. a sleeve; 641. an upper platform; 65. rotating the cylinder; 651. a lower platform; 66. a compression spring; 7. a protrusion; 71. a guide portion; 72. a fastening part; 8. a valve seat; 9. a valve cavity.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The embodiment discloses a valve, as shown in fig. 1-4, comprising a valve body 1, a valve cover 2, a valve seat 8, a valve rod 3 and a ball body 5, a valve cavity 9 is formed between the valve body 1 and the valve seat 8, a rotating structure 6 for driving the ball body 5 to rotate is arranged below the ball body 5, the rotating structure 6 comprises a rotating rod 61 and a knob 62 which are coaxially arranged with the valve rod 3, one end of the rotating rod 61 is provided with a polygon prism 611 with the diameter larger than that of the rotating rod 61, the other end of the rotating rod passes through the valve body 1 and is connected with the knob 62, the joint of the rotating rod 61 and the valve body 1 is provided with a Gray ring 4, the Gray ring 4 can increase the sealing performance of the ball valve, a fixing groove 51 for fixing the polygon prism 611 is arranged below the ball 5, so that the polygon prism 611 can drive the ball 5 through the fixing groove 51, the side surface of the fixing groove 51 is provided with a notch 52 for sliding the polygon prism 611, so that the ball body 5 can be more conveniently installed in the valve cavity 9 of the ball valve.

The structure of the knob 62 further includes a rotary cylinder 65, a sleeve 64, a compression spring 66 and a nut 63, in this embodiment, the polygonal column 611 disposed at one end of the rotary rod 61 is a hexagonal column, the polygonal column 611 is preferably sleeved with a rubber sleeve, which can reduce wear between the polygonal column 611 and the fixing groove 51, the other end is a fixing column 612 with threads, the diameter of the fixing column 612 is the same as that of the rotary rod 61, one end of the sleeve 64 close to the valve body 1 is provided with an upper platform 641, the sleeve 64 is sleeved on the rotary rod 61, then the sleeve 64 is sleeved with the compression spring 66 and the knob 62, the position of the compression spring 66 is located between the upper platform 641 and the knob 62, the rotary cylinder 65 has internal threads, and can be connected with the fixing column 612 by means of threaded connection and fixed by means of tightening the nut 63, the rotary cylinder 65 is provided with a lower platform 651 contacting with the rotary rod 62, the lower platform 651 can fix the knob 62 in the knob 62 structure without falling off, and can press the compression spring 66 to deform, the compression spring 66 applies an elastic pressure to the upper platform 641 and the knob 62 due to the elastic deformation, so that the knob 62 can be kept in contact with the lower platform 651, the contact surfaces of the knob 62 and the lower platform 651 are respectively provided with protrusions 7 which are annular along the rotating shaft and are arranged in a staggered manner, the protrusions 7 on the knob 62 are positioned between the two protrusions 7 on the lower platform 651, the protrusions 7 are provided with clamping parts 72 and guiding parts 71, when the knob 62 is rotated, if the engaging portions 72 contact each other, the knob 62 can drive the lower platform 651 and drive the rotary cylinder 65, the screw, the polygon prism 611, and the ball 5 to rotate, and if the guiding portions 71 contact each other, the protrusions 7 can rotate in a staggered manner, so that the knob 62 idles and cannot drive other components to rotate.

In the actual use process, the ball valve will cause the abrasion of the joint between the ball valve and the valve rod 3 to generate a gap due to the overlong service time, the ball body 5 will be in the open state when the rotary rod 61 is in the open state, and will not cause any influence, and when the valve rod 3 is in the closed state, the ball body 5 will not be completely closed due to the gap, so that the medium in the pipeline leaks out, and most people will not repair the ball valve or close the main gate in time, which causes a great deal of resource waste, through the utility model, when the ball body 5 cannot be completely closed, the ball body 5 in the ball valve can be rotated in time through the rotary structure 6, so that the ball valve is completely closed, and the rotary direction of the ball valve can not be ensured to be opened or continuously closed under the occasion of industrial transportation, therefore, the rotary cylinder 65, the sleeve 64, the compression spring 66 and the nut 63 are arranged in the rotary structure 6, the compression spring 66 can make the knob 62 keep in contact with the lower platform 651, and the clamping part 72 between the protrusion 7 and the protrusion 7 drives the rotary rod 61 to drive the rotary rod 5 to rotate when rotating, so as to achieve the purpose of closing the ball 5, and because the ball 5 rotates the valve rod 3, the ball 5 will not rotate continuously after rotating to the closed state, and if the knob 62 rotates, the guide parts 71 of the two protrusions 7 are connected, so that the knob 62 can move upwards when rotating, and because of the pressure of the compression spring 66, the knob 62 can move up and down while rotating, and the lower platform 651 keeps static and cannot rotate together with the knob 62, so as to achieve the function of assisting in closing the ball valve when no leakage of medium is seen.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, any modification, equivalent replacement, or improvement made within the design concept of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a ball valve, includes valve body (1), valve gap (2), disk seat (8), valve rod (3) and spheroid (5), form valve pocket (9), its characterized in that between valve body (1) and disk seat (8): spheroid (5) below is equipped with and is used for driving spheroid (5) pivoted revolution mechanic (6), revolution mechanic (6) include with the swing arm (61) and knob (62) of valve rod (3) coaxial setting, swing arm (61) one end is equipped with the polygon prism (611) that are greater than swing arm (61) diameter, and the other end passes valve body (1) and is connected with knob (62), swing arm (61) and valve body (1) junction are equipped with gley circle (4), spheroid (5) below is equipped with fixed slot (51) that are used for fixed polygon prism (611), fixed slot (51) side is opened has incision (52) that supply polygon prism (611) to slide into.

2. The ball valve according to claim 1, wherein: revolution mechanic (6) are still including revolving a section of thick bamboo (65), sleeve (64) and compression spring (66) soon, revolve a section of thick bamboo (65) and swing arm (61) threaded connection, sleeve (64) cover is established on revolving a section of thick bamboo (65) soon to with revolve a section of thick bamboo (65) activity setting, sleeve (64) still is provided with upper mounting plate (641), upper mounting plate (641) offsets with valve body (1), revolve a section of thick bamboo (65) and still be provided with down platform (651), knob (62) cover is established between upper mounting plate (641) and lower platform (651), compression spring (66) cover is established between upper mounting plate (641) and knob (62), be provided with mutual arch (7) of dislocation on knob (62) and lower platform (651), arch (7) are provided with guide part (71) of guide effect and block portion (72) that can offset.

3. The ball valve of claim 2, wherein: the rotating structure (6) further comprises a nut (63), the nut (63) is in threaded connection with the rotating rod (61) and locks the rotating cylinder (65), and the compression spring (66) is sleeved on the sleeve (64) and abuts against between the upper platform (641) and the knob (62).

4. The ball valve according to claim 3, wherein: the polygonal column (611) of the rotating rod (61) is a regular hexagonal column coaxial with the rotating rod (61).

5. The ball valve according to claim 4, wherein: the outer surface of the polygonal column (611) of the rotating rod (61) is provided with a rubber layer.

6. The ball valve according to claim 5, wherein: the surface of the knob (62) is provided with anti-skid grains.