CN213332493U

CN213332493U - Ball valve for preventing fluid from flowing backwards

Info

Publication number: CN213332493U
Application number: CN202021680614.6U
Authority: CN
Inventors: 郑祖青
Original assignee: Jiangsu Sheng Di De Intelligent Technology Co ltd
Current assignee: Jiangsu Sheng Di De Intelligent Technology Co ltd
Priority date: 2020-08-13
Filing date: 2020-08-13
Publication date: 2021-06-01
Anticipated expiration: 2030-08-13

Abstract

The utility model discloses a prevent ball valve that fluid flows backward, including left interface, valve body, second body and right interface, left interface is installed to one side of valve body, and the internal thread of left interface is connected with first body, right interface is installed to the opposite side of valve body, and the internal thread of right interface is connected with the second body, the installation piece is installed on the top of valve body. The utility model discloses a top at the installation piece is provided with protective structure, application of force inserted bar can and carry out the dismouting between the fixed block during use, can dismantle application of force inserted bar and notch when not using and carry, the completion is to the protection of valve body, make it can not open because of unexpected touching and stop, can peg graft the inside application of force of the notch that sets up in the fixed block with application of force inserted bar and drive ball core work when needing to use, the completion is to the operation of valve body, the link that sets up in the chock makes its portable string get, make the ball valve can carry out automatic protection to it when not using through this setting, it is safe convenient more to use.

Description

Ball valve for preventing fluid from flowing backwards

Technical Field

The utility model relates to a ball valve technical field specifically is a prevent ball valve that fluid flows backward.

Background

The ball valve is that the control that a water pipe field used opens and stops equipment, can control the rivers in the water pipe, all can use at mill and home environment, can prevent when needing a kind of use to open by mistake or the effectual ball valve of protection that the phenomenon took place by mistake, but the ball valve that prevents fluid flowing backward has many problems or defects now:

the traditional ball valve for preventing the fluid from flowing backwards is easy to start or stop due to accidental touch when in use, and the use protection effect is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent ball valve that fluid flows backward to the easy accident of the ball valve that provides in solving above-mentioned background art opens and stops, the not good problem of protecting effect.

In order to achieve the above object, the utility model provides a following technical scheme: a ball valve for preventing fluid from flowing backwards comprises a left connector, a valve body, a second pipe body and a right connector, wherein the left connector is installed on one side of the valve body, the first pipe body is connected to the inner thread of the left connector, the right connector is installed on the other side of the valve body, the second pipe body is connected to the inner thread of the right connector, an installation block is installed at the top end of the valve body, a protection structure is arranged at the top end of the installation block, a ball core is connected to the bottom end of the protection structure and is arranged inside the valve body, through grooves are formed in two sides of the ball core, the protection structure comprises a force application insertion rod, a notch, a fixing block, a bolt block, an inner groove and a hanging ring, the fixing block is movably connected to the inside of the installation block, the notch is installed inside the fixing block, the force application insertion rod is connected to the inside of the notch in a penetrating mode, the bolt, and the inner part of the inner groove is sleeved with a hanging ring.

Preferably, the inner diameter of the notch is larger than the outer diameter of the force application inserted bar, and the force application inserted bar and the fixed block can be detached.

Preferably, the inside wall of left side interface and right interface all is provided with the internal thread, all be provided with the external screw thread on the lateral wall of first body and second body, and external screw thread and internal thread are threaded connection.

Preferably, all install sealed loss prevention circle on the inside wall of left side interface and right side interface, and sealed loss prevention circle is the annular, sealed loss prevention circle is the symmetric distribution in the both sides of valve body.

Preferably, the sealing gaskets are installed at two ends of the inner side wall of the valve body and are symmetrically distributed at two ends of the valve body.

Preferably, the inside of installation piece and fixed block all is provided with the recess, and the inside threaded connection of recess has the bolt, all be provided with the joint line on bolt and the recess.

Compared with the prior art, the beneficial effects of the utility model are that: the ball valve for preventing the fluid from flowing backwards is reasonable in structure and has the following advantages:

(1) the protective structure is arranged at the top end of the mounting block, the force application inserting rod can be detached from the fixed block when in use, the force application inserting rod and the notch can be detached and carried when not in use, the valve body is protected, the valve body cannot be started or stopped due to accidental touch, the force application inserting rod can be inserted into the notch arranged in the fixed block to apply force to drive the ball core to work when in use, the valve body is operated, the hanging ring arranged in the bolt block facilitates carrying and hanging of the valve body, the ball valve can be automatically protected when not in use through the arrangement, and the use is safer and more convenient;

(2) the grooves are formed in the mounting block and the fixing block, so that a bolt can be inserted into the grooves to be fastened through the clamping lines during use, the mounting block and the fixing block can be positioned, the internal ball core is prevented from rotating accidentally during work, and the phenomenon of fluid backflow is avoided;

(3) through installing sealed the pad at the both ends of valve body inner wall, the logical groove of its both sides installation can with sealed the butt joint when the ball core rotates the closure, sealed effect is better when making its closure, and the inside of left side interface and right interface all is provided with sealed loss prevention circle, both can play sealed effect, also can prevent to lock and die the damage, makes the ball valve use sealed effect better through this setting, has prolonged life.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

FIG. 2 is a schematic side view of the present invention;

fig. 3 is a front view of the protective structure of the present invention;

fig. 4 is an enlarged schematic structural diagram of a in fig. 1 according to the present invention.

In the figure: 1. a protective structure; 101. a force application inserting rod; 102. a notch; 103. a fixed block; 104. a bolt block; 105. an inner tank; 106. hanging a ring; 2. a left interface; 3. a first pipe body; 4. an internal thread; 5. a valve body; 6. a ball core; 7. a gasket; 8. a through groove; 9. sealing the loss prevention ring; 10. an external thread; 11. a second tube body; 12. a right interface; 13. mounting blocks; 14. clamping lines; 15. a bolt; 16. and (4) a groove.

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. 1-4, the present invention provides an embodiment: a ball valve for preventing fluid from flowing backwards comprises a left connector 2, a valve body 5, a second pipe body 11 and a right connector 12, wherein the left connector 2 is installed on one side of the valve body 5, internal threads 4 are respectively arranged on the inner side walls of the left connector 2 and the right connector 12, external threads 10 are respectively arranged on the outer side walls of the first pipe body 3 and the second pipe body 11, and the external threads 10 are in threaded connection with the internal threads 4, so that the installation and butt joint of the ball valve are more convenient;

sealing anti-damage rings 9 are respectively arranged on the inner side walls of the left connector 2 and the right connector 12, the sealing anti-damage rings 9 are annular, the sealing anti-damage rings 9 are symmetrically distributed on two sides of the valve body 5, the sealing anti-damage rings 9 are respectively arranged inside the left connector 2 and the right connector 12, so that the sealing function can be achieved, the locking damage can be prevented, the ball valve is better in sealing effect due to the arrangement, and the service life is prolonged;

the two ends of the inner side wall of the valve body 5 are provided with the sealing gaskets 7, the sealing gaskets 7 are symmetrically distributed at the two ends of the valve body 5, and the sealing gaskets 7 are arranged at the two ends of the inner wall of the valve body 5, so that the through grooves 8 arranged at the two sides of the ball core 6 can be butted with the sealing gaskets 7 when the ball core is rotated and closed, and the sealing effect is better when the ball core is closed;

the inner thread of the left connector 2 is connected with a first pipe body 3, the other side of the valve body 5 is provided with a right connector 12, the inner thread of the right connector 12 is connected with a second pipe body 11, the top end of the valve body 5 is provided with an installation block 13, the inside of the installation block 13 and the inside of the fixed block 103 are both provided with grooves 16, the inner thread of each groove 16 is connected with a bolt 15, each of the bolts 15 and the grooves 16 is provided with a clamping line 14, the grooves 16 are arranged inside the installation block 13 and the fixed block 103, when the valve is used, the bolts 15 can be inserted into the grooves 16 to complete fastening through the clamping lines 14, the installation block 13 and the fixed block 103 can be positioned by the arrangement, the inner ball core 6 is prevented from rotating accidentally during work, and the phenomenon of fluid;

the top end of the mounting block 13 is provided with a protective structure 1, the bottom end of the protective structure 1 is connected with a ball core 6, the ball core 6 is arranged inside the valve body 5, through grooves 8 are arranged on both sides of the ball core 6, the protective structure 1 comprises a force application inserted bar 101, a notch 102, a fixing block 103, a bolt block 104, an inner groove 105 and a hanging ring 106, the fixing block 103 is movably connected inside the mounting block 13, the notch 102 is arranged inside the fixing block 103, the force application inserted bar 101 is connected inside the notch 102 in a penetrating manner, the bolt block 104 is arranged on one side of the force application inserted bar 101, the inner groove 105 is arranged inside the bolt block 104, and the hanging ring 106 is sleeved inside the inner groove 105;

the inner diameter of the notch 102 is larger than the outer diameter of the force application inserted bar 101, and the force application inserted bar 101 and the fixed block 103 can be detached;

specifically, as shown in fig. 1 and 3, during the use, through be provided with protective structure 1 on the top of installation piece 13, application of force inserted bar 101 can carry out the dismouting with between the fixed block 103 during the use, can dismantle application of force inserted bar 101 and notch 102 and carry when not using, accomplish the protection to valve body 5, make it can not open because of unexpected touching stops, can peg graft application of force inserted bar 101 and drive ball core 6 work in the inside application of force of notch 102 that sets up in fixed block 103 when needing to use, accomplish the operation to valve body 5, link 106 that sets up in chock 104 makes its portable string get, make the ball valve can carry out automatic protection to it when not using through this setting, it is convenient more safely.

The working principle is as follows: when the valve body is used, the pipe body and the ball valve are integrally butted, installed and fixed, firstly, the protection structure 1 is arranged at the top end of the installation block 13, the force application inserting rod 101 and the fixed block 103 can be disassembled and assembled when the valve body is used, the force application inserting rod 101 and the notch 102 can be disassembled and carried when the valve body is not used, the valve body 5 is protected, the valve body 5 cannot be started or stopped due to accidental touch, the force application inserting rod 101 can be inserted into the notch 102 arranged in the fixed block 103 to apply force to drive the ball core 6 to work when the valve body is required to be used, the operation of the valve body 5 is completed, the hanging ring 106 arranged in the bolt block 104 facilitates the carrying and hanging of the valve body, the ball valve can be automatically protected when the ball valve is not used through the arrangement;

secondly, the grooves 16 are formed in the mounting block 13 and the fixing block 103, so that the bolt 15 can be inserted into the grooves 16 to be fastened through the clamping grains 14 during use, the mounting block 13 and the fixing block 103 can be positioned, the inner ball core 6 is prevented from rotating accidentally during work, and the phenomenon of fluid backflow is avoided;

finally, through installing sealed 7 at the both ends of 5 inner walls of valve bodies, the logical groove 8 of its both sides installation can dock with sealed 7 of packing when ball core 6 rotates the closure, and sealed effect is better when making it closed, and the inside of left interface 2 and right interface 12 all is provided with sealed loss prevention circle 9, both can play sealed effect, also can prevent to lock the damage, makes the ball valve use sealed effect better through this setting, has prolonged life.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a prevent ball valve that fluid flows backward, includes left interface (2), valve body (5), second body (11) and right interface (12), its characterized in that: the ball valve is characterized in that a left connector (2) is installed on one side of the valve body (5), the inner thread of the left connector (2) is connected with a first pipe body (3), a right connector (12) is installed on the other side of the valve body (5), the inner thread of the right connector (12) is connected with a second pipe body (11), an installation block (13) is installed at the top end of the valve body (5), a protection structure (1) is arranged at the top end of the installation block (13), a ball core (6) is connected to the bottom end of the protection structure (1), the ball core (6) is arranged inside the valve body (5), through grooves (8) are formed in the two sides of the ball core (6), the protection structure (1) comprises a force application inserted rod (101), a notch (102), a fixing block (103), a bolt block (104), an inner groove (105) and a hanging ring (106), and the fixing block (103) is movably, and the internally mounted of fixed block (103) has notch (102), the inside through connection of notch (102) has application of force inserted bar (101), and one side of application of force inserted bar (101) installs and ties piece (104), the internally mounted of tie piece (104) has inside groove (105), and the inside of inside groove (105) has cup jointed link (106).

2. A fluid backflow prevention ball valve as claimed in claim 1, wherein: the inner diameter of the notch (102) is larger than the outer diameter of the force application inserted bar (101), and the force application inserted bar (101) and the fixing block (103) can be detached.

3. A fluid backflow prevention ball valve as claimed in claim 1, wherein: the inside wall of left side interface (2) and right side interface (12) all is provided with internal thread (4), all be provided with external screw thread (10) on the lateral wall of first body (3) and second body (11), and external screw thread (10) and internal thread (4) are threaded connection.

4. A fluid backflow prevention ball valve as claimed in claim 1, wherein: all install sealed loss prevention circle (9) on the inside wall of left side interface (2) and right side interface (12), and sealed loss prevention circle (9) is the annular, sealed loss prevention circle (9) are the symmetric distribution in the both sides of valve body (5).

5. A fluid backflow prevention ball valve as claimed in claim 1, wherein: sealing gaskets (7) are installed at two ends of the inner side wall of the valve body (5), and the sealing gaskets (7) are symmetrically distributed at two ends of the valve body (5).

6. A fluid backflow prevention ball valve as claimed in claim 1, wherein: the inside of installation piece (13) and fixed block (103) all is provided with recess (16), and the inside threaded connection of recess (16) has bolt (15), all be provided with joint line (14) on bolt (15) and recess (16).