Olive type straight-through stop valve

Abstract

The invention relates to the technical field of stop valves, and discloses an olive type straight-through stop valve which comprises a water inlet, one side of the water inlet is fixedly connected with a valve body, the interior of the valve body is fixedly connected with a first partition plate, and the interior of the valve body is fixedly connected with a second partition plate on one side of the first partition plate. The side, close to the first partition plate, of the inner space of the valve body is divided into a first partition bin by the first partition plate, the side, close to the second partition plate, of the inner space of the valve body is divided into a second partition bin by the first partition plate and the second partition plate, and the side, close to the second partition plate, of the inner space of the valve body is divided into a third partition bin by the second partition plate. According to the olive type straight-through stop valve, through the arrangement of the first partition plate and the second partition plate, the safety and reliability of a system are improved, the downtime is shortened, the maintenance cost is reduced, through the arrangement of the sealing plate, the valve plate body can be protected, abrasion is reduced, through the arrangement of the buffer block and the buffer plate, impact of water flow on the valve body is reduced, and the service life of the valve body is prolonged. And the service life of the stop valve is prolonged.

Description

Technical Field

[0001] The invention relates to the technical field of stop valves, and in particular to an olive-type straight-through stop valve. Background Art

[0002] A straight-through stop valve is a common type of valve used to control the flow of media in a pipeline. It is usually composed of a valve body, a valve cover, a valve disc (or a valve plate), a valve stem, a handwheel and other components. In a straight-through stop valve, the interior of the valve body is divided into two spaces, usually through a partition. This partition is usually called a "partition plate" or "separator plate" in a straight-through stop valve.

[0003] Olive-type straight-through stop valve is a commonly used valve type, and its shape is similar to olive. When the partition separating the valve body is damaged, the straight-through stop valve can no longer work, affecting the normal operation of the system. The valve plate has a large pressure when sealing, and is easy to wear after long-term use. When the water flow suddenly stops or changes direction, it will generate a huge impact force. The water flow entering the valve will cause the valve to be strongly impacted, which may cause pipeline rupture, valve damage and other problems. Therefore, an olive-type straight-through stop valve is proposed. Summary of the invention

[0004] The main purpose of the present invention is to provide an olive-type straight-through stop valve, which solves the problem that when the partition separating the valve body is damaged, the straight-through stop valve cannot continue to work, affecting the normal operation of the system; the valve plate has a high pressure when sealing and is prone to wear after long-term use; when the water flow suddenly stops or changes direction, it will generate a huge impact force, and the water flow entering the valve will cause the valve to be strongly impacted, which may cause pipeline rupture, valve damage and other problems.

[0005] To achieve the above object, the technical solution adopted by the present invention is:

[0006] An olive-type straight-through stop valve comprises a water inlet, a valve body is fixedly connected to one side of the water inlet, a first partition is fixedly connected to the inside of the valve body, a second partition is fixedly connected to the inside of the valve body on the side of the first partition, the internal space of the valve body is divided into a first compartment by the first partition on the side close to the first partition, the internal space of the valve body is divided into a second compartment by the first partition and the second partition, the internal space of the valve body is divided into a third compartment by the second partition on the side close to the second partition, a first connecting groove is fixedly installed on the inner side of the first partition, a second connecting groove is fixedly installed on the inner side of the second partition, and valve plate assemblies are movably installed inside the first connecting groove and the second connecting groove.

[0007] Furthermore, a mounting base is fixedly connected to the upper part of the valve body, a screw rod is movably sleeved in the mounting base, and a hand wheel is fixedly connected to the upper end of the screw rod.

[0008] Furthermore, a slider is threadedly connected to the outer side of the screw, a transmission plate is fixedly connected to the bottom of the slider, and the transmission plate is movably sleeved on the outer side of the screw, a first transmission rod is fixedly connected to one side below the transmission plate, and a second transmission rod is fixedly connected to the other side below the transmission plate, and the valve plate assembly is fixedly connected to the bottom of the first transmission rod and the second transmission rod.

[0009] Furthermore, two connecting holes are equidistantly provided above the valve body, the valve body is fixedly connected to a second limiting sleeve on the outer side of one of the connecting holes, and the valve body is fixedly connected to a first limiting sleeve on the outer side of the other connecting hole, the lower end of the second transmission rod is movably installed in the second limiting sleeve, the lower end of the first transmission rod is movably installed in the first limiting sleeve, and the lower ends of the first transmission rod and the second transmission rod pass through the two connecting holes respectively.

[0010] Furthermore, the two valve plate assemblies have the same structure, and both valve plate assemblies include a valve plate body, and the top of the two valve plate bodies are respectively fixedly connected to the first transmission rod and the second transmission rod, and one side of the valve plate body is equidistantly fixedly connected to two installation boxes, the interior of the two installation boxes is fixedly connected to the first spring, the bottom of the two first springs is fixedly connected to the first connecting rod, and the bottom of the two first connecting rods is fixedly connected to a sealing plate.

[0011] Furthermore, the lower parts of the two sealing plates are movably mounted in the first connecting groove and the second connecting groove respectively.

[0012] Furthermore, a fixing plate is fixedly installed inside the valve body in the first compartment, a second mounting sleeve is fixedly connected to one side of the fixing plate, a third spring is fixedly connected to the inner side of the fixing plate, the third spring is movably installed in the second mounting sleeve, one end of the third spring is fixedly connected to a second connecting rod, and a buffer block is fixedly connected to the outer end of the second connecting rod.

[0013] Furthermore, a second spring is fixedly connected to the outer side of the fixing plate, a first mounting sleeve is fixedly connected to the outer side of the fixing plate, the second spring is movably installed between the first mounting sleeve and the second mounting sleeve, a connecting sleeve is fixedly connected to the outer side of the second spring, a buffer plate is fixedly connected to the outer side of the connecting sleeve, and the buffer plate is movably sleeved on the outer side of the second mounting sleeve.

[0014] Furthermore, a water outlet is fixedly connected to one side of the valve body.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. The present invention improves the safety and reliability of the system and reduces downtime and maintenance costs by setting up the first partition and the second partition. When water flows into the valve body, the water flows first into the first compartment. The water flows through the first connecting groove to enter the second compartment due to the isolation effect of the first partition. The water flow in the second compartment needs to pass through the second connecting groove to enter the third compartment due to the effect of the second partition. Then the water can leave the valve body from the water outlet. When one of the first partition or the second partition is damaged, the other can still work and play a separating role. Through such a setting, the safety and reliability of the system are improved and the downtime and maintenance costs are reduced.

[0017] 2. The sealing plate provided in the present invention can protect the valve plate body and reduce wear. When the valve plate body is used for sealing and closing, the valve plate body enters the first connecting groove and the second connecting groove for sealing. Then, when the valve plate body moves downward, the valve plate body first withstands the water flow pressure during closing through the sealing plate. The sealing plate drives the first spring to be compressed through the first connecting rod, thereby buffering the water flow pressure borne by the sealing plate, protecting the valve plate body, and preventing the valve plate body from directly bearing excessive water flow pressure. Through such a setting, the valve plate body can be protected and wear can be reduced.

[0018] 3. The present invention reduces the impact of water flow on the valve body and prolongs the service life of the stop valve by providing a buffer block and a buffer plate. When water flows into the valve body through the water inlet, the water flow first impacts the buffer block, and then the buffer block bears the water flow pressure and drives the third spring to be compressed through the second connecting rod, so that the buffer block can buffer the water flow pressure. The water flow diverted and buffered by the buffer block impacts the buffer plate, and the buffer plate drives the second spring to be compressed through the connecting sleeve, further buffering the impact of the water flow pressure on the inside of the valve body. Through such a setting, the impact of water flow on the valve body is reduced and the service life of the stop valve is extended.

[0019] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of an olive-type straight-through stop valve from the first angle of the present invention.

[0021] Figure 2 This is a schematic diagram of the overall structure of an olive-type straight-through stop valve of the present invention from a second angle.

[0022] Figure 3 It is an enlarged schematic diagram of a partial structure of a valve body of an olive-type straight-through stop valve of the present invention.

[0023] Figure 4 It is an enlarged schematic diagram of a partial structure of a first partition plate of an olive-type straight-through stop valve of the present invention.

[0024] Figure 5 It is an enlarged schematic diagram of a partial structure of a screw of an olive-type straight-through stop valve of the present invention.

[0025] Figure 6 It is an enlarged schematic diagram of a partial structure of a first spring of an olive-type straight-through stop valve of the present invention.

[0026] Figure 7 It is an enlarged schematic diagram of a partial structure of a second spring of an olive-type straight-through stop valve of the present invention.

[0027] Figure 8 It is an enlarged schematic diagram of a partial structure of a third spring of an olive-type straight-through stop valve of the present invention.

[0028] In the figure: 1. water inlet; 2. valve body; 3. water outlet; 4. hand wheel; 5. screw; 6. mounting base; 7. slider; 8. transmission plate; 9. first transmission rod; 10. second transmission rod; 11. valve plate body; 12. mounting box; 13. first spring; 14. first connecting rod; 15. sealing plate; 16. first partition; 17. first connecting groove; 18. second partition; 19. second connecting groove; 20. first limiting sleeve; 21. second limiting sleeve; 22. fixing plate; 23. first mounting sleeve; 24. second spring; 25. connecting sleeve; 26. buffer plate; 27. second mounting sleeve; 28. third spring; 29. ​​second connecting rod; 30. buffer block; 31. first compartment; 32. second compartment; 33. third compartment. DETAILED DESCRIPTION

[0029] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0030] like Figure 1-Figure 6 As shown, an olive-type straight-through stop valve includes a water inlet 1, a valve body 2 is fixedly connected to one side of the water inlet 1, a first partition 16 is fixedly connected inside the valve body 2, a second partition 18 is fixedly connected inside the valve body 2 on one side of the first partition 16, the internal space of the valve body 2 is divided into a first partition 31 by the first partition 16 on the side close to the first partition 16, the internal space of the valve body 2 is divided into a second partition 32 by the first partition 16 and the second partition 18, the internal space of the valve body 2 is divided into a third partition 33 by the second partition 18 on the side close to the second partition 18, a first connecting groove 17 is fixedly installed on the inner side of the first partition 16, a second connecting groove 19 is fixedly installed on the inner side of the second partition 18, valve plate assemblies are movably installed inside the first connecting groove 17 and the second connecting groove 19, and by adopting the above technical scheme, sealing structures are installed on the inner sides of the first connecting groove 17 and the second connecting groove 19, which can further enhance the sealing effect.

[0031] like Figure 1-Figure 6 As shown, a mounting base 6 is fixedly connected to the top of the valve body 2, a screw rod 5 is movably sleeved in the mounting base 6, and a hand wheel 4 is fixedly connected to one end of the screw rod 5. By adopting the above technical solution, a limiting mechanism is also installed in the mounting base 6 to prevent the screw rod 5 from detaching from the mounting base 6 during movement.

[0032] An artificial fixing mechanism is installed on the outside of the hand wheel 4, and the user can fix and release the hand wheel 4 to make the hand wheel 4 rotatable or non-rotatable, thereby controlling the stop valve to maintain the water flow connection or cut-off state.

[0033] like Figure 1-Figure 6 As shown, the outer side of the screw rod 5 is threadedly connected to a slider 7, a transmission plate 8 is fixedly connected to the bottom of the slider 7, and the transmission plate 8 is movably sleeved on the outer side of the screw rod 5, a first transmission rod 9 is fixedly connected to one side below the transmission plate 8, and a second transmission rod 10 is fixedly connected to the other side below the transmission plate 8, and the valve plate assembly is fixedly connected to the bottom of the first transmission rod 9 and the second transmission rod 10. Through such an arrangement, the slider 7 can be driven to move when the screw rod 5 rotates.

[0034] like Figure 1-Figure 4 As shown, two connecting holes are equidistantly provided on the upper side of the valve body 2, a second limiting sleeve 21 is fixedly connected to the outer side of one connecting hole of the valve body 2, and a first limiting sleeve 20 is fixedly connected to the outer side of the other connecting hole of the valve body 2, the lower end of the second transmission rod 10 is movably installed in the second limiting sleeve 21, and the lower end of the first transmission rod 9 is movably installed in the first limiting sleeve 20, and the lower ends of the first transmission rod 9 and the second transmission rod 10 pass through the two connecting holes respectively. Through such an arrangement, the first limiting sleeve 20 can limit the first transmission rod 9 to prevent the first transmission rod 9 from completely disengaging from the first limiting sleeve 20 when moving;

[0035] The second limiting sleeve 21 can limit the second transmission rod 10 to prevent the second transmission rod 10 from completely separating from the second limiting sleeve 21 during movement.

[0036] like Figure 1-Figure 6 As shown, the two valve plate assemblies have the same structure. The two valve plate assemblies both include a valve plate body 11. The tops of the two valve plate bodies 11 are respectively fixedly connected to the first transmission rod 9 and the second transmission rod 10. One side of the valve plate body 11 is equidistantly fixedly connected to two mounting boxes 12. The interiors of the two mounting boxes 12 are both fixedly connected to the first springs 13. The bottoms of the two first springs 13 are both fixedly connected to the first connecting rods 14. The bottoms of the two first connecting rods 14 are fixedly connected to sealing plates 15. Through such an arrangement, a limited sealing mechanism is installed in the mounting box 12 to prevent the first connecting rod 14 from completely separating from the mounting box 12 during movement.

[0037] like Figure 1-Figure 6 As shown, the lower parts of the two sealing plates 15 are movably mounted in the first connecting groove 17 and the second connecting groove 19 respectively. By adopting the above technical solution, a sealing strip is installed on the inner side of the sealing plate 15 to enhance the sealing effect.

[0038] When cutting off the water flow, the two sealing plates 15 are movably installed in the first connecting groove 17 and the second connecting groove 19 at the bottom to seal and cut off the water flow. At the same time, the two valve plate bodies 11 are also movably installed in the first connecting groove 17 and the second connecting groove 19 at the bottom to further enhance the sealing and cutting off water flow effect.

[0039] like Figure 1-Figure 4 , Figure 7-Figure 8 As shown, a fixing plate 22 is fixedly installed inside the valve body 2 in the first compartment 31, a second mounting sleeve 27 is fixedly connected to one side of the fixing plate 22, a third spring 28 is fixedly connected to the inner side of the fixing plate 22, the third spring 28 is movably installed in the second mounting sleeve 27, one end of the third spring 28 is fixedly connected to a second connecting rod 29, and a buffer block 30 is fixedly connected to the outer end of the second connecting rod 29. Through such an arrangement, a limiting device is installed on the second mounting sleeve 27 to prevent the second connecting rod 29 from completely separating from the second mounting sleeve 27 during movement.

[0040] like Figure 1-Figure 4 , Figure 7-Figure 8 As shown, a second spring 24 is fixedly connected to the outer side of the fixed plate 22, a first mounting sleeve 23 is fixedly connected to the outer side of the fixed plate 22, the second spring 24 is movably mounted between the first mounting sleeve 23 and the second mounting sleeve 27, a connecting sleeve 25 is fixedly connected to the outer side of the second spring 24, a buffer plate 26 is fixedly connected to the outer side of the connecting sleeve 25, and the buffer plate 26 is movably sleeved on the outer side of the second mounting sleeve 27. Through such an arrangement, a limiting device is installed on the first mounting sleeve 23 to prevent the connecting sleeve 25 from completely separating from the first mounting sleeve 23 during movement.

[0041] like Figure 1-Figure 4 As shown, a water outlet 3 is fixedly connected to one side of the valve body 2 . With such an arrangement, the water flow entering the valve body 2 is finally discharged from the water outlet 3 .

[0042] It should be noted that, when in use, the user installs the stop valve on the pipeline system, connects the water inlet pipe through the water inlet 1 , and connects the water outlet pipe through the water outlet 3 .

[0043] When in use, by turning the handwheel 4, the handwheel 4 drives the slider 7 to move through the screw 5, and the slider 7 drives the first transmission rod 9 and the second transmission rod 10 to move through the transmission plate 8. The first transmission rod 9 and the second transmission rod 10 drive the two valve plate assemblies to no longer be installed in the first connecting groove 17 and the second connecting groove 19. At this time, the stop valve can allow water to flow, and cut off the water flow when operating in the reverse direction.

[0044] When water flows into the valve body 2, it first enters the first compartment 31. The water flow is isolated by the first partition 16 and needs to pass through the first connecting groove 17 to enter the second compartment 32. The water flow in the second compartment 32 is affected by the second partition 18 and needs to pass through the second connecting groove 19 to enter the third compartment 33. Then the water flow can leave the valve body 2 from the water outlet 3. When one of the first partition 16 or the second partition 18 is damaged, the other can still work and play a separation role.

[0045] When the valve plate assembly is used to seal and close the water flow, by rotating the hand wheel 4, the hand wheel 4 drives the slider 7 to move through the screw 5, and the slider 7 drives the first transmission rod 9 and the second transmission rod 10 to move through the transmission plate 8. The first transmission rod 9 and the second transmission rod 10 drive the two valve plate assemblies downward to be installed in the first connecting groove 17 and the second connecting groove 19. The first transmission rod 9 and the second transmission rod 10 drive the valve plate body 11 to move, and the valve plate body 11 enters the first connecting groove 17 and the second connecting groove 19 for sealing. Then, when the valve plate body 11 moves downward, the valve plate body 11 first withstands the water flow pressure during closing through the sealing plate 15. The sealing plate 15 drives the first spring 13 to be compressed through the first connecting rod 14, thereby buffering the water flow pressure borne by the sealing plate 15 and protecting the valve plate body 11. When the two sealing plates 15 and the two valve plate bodies 11 are respectively abutted and sealed in the first connecting groove 17 and the second connecting groove 19, the sealing and closing of the water flow can be completed.

[0046] When water flows into the valve body 2 through the water inlet 1, the water flow first hits the buffer block 30, and then the buffer block 30 bears the water flow pressure and drives the third spring 28 to be compressed through the second connecting rod 29, so that the buffer block 30 can buffer the water flow pressure. The water flow diverted and buffered by the buffer block 30 hits the buffer plate 26, and the buffer plate 26 drives the second spring 24 to be compressed through the connecting sleeve 25, thereby further buffering the impact of the water flow pressure on the inside of the valve body 2.

[0047] The present invention mainly provides an olive-type straight-through stop valve, which solves the problem that when the partition separating the valve body 2 is damaged, the straight-through stop valve cannot continue to work, affecting the normal operation of the system; the valve plate has a high pressure when sealing and is prone to wear after long-term use; when the water flow suddenly stops or changes direction, it will generate a huge impact force, and the water flow entering the valve will cause the valve to be strongly impacted, which may cause pipeline rupture, valve damage and other problems.

[0048] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. An olive-type straight-through stop valve, comprising a water inlet (1), characterized in that: A valve body (2) is fixedly connected to one side of the water inlet (1), a first partition (16) is fixedly connected to the inside of the valve body (2), a second partition (18) is fixedly connected to the inside of the valve body (2) on one side of the first partition (16), the internal space of the valve body (2) is divided into a first compartment (31) by the first partition (16) on the side close to the first partition (16), the internal space of the valve body (2) is divided into a second compartment (32) by the first partition (16) and the second partition (18), the internal space of the valve body (2) is divided into a third compartment (33) by the second partition (18) on the side close to the second partition (18), a first connecting groove (17) is fixedly installed on the inner side of the first partition (16), a second connecting groove (19) is fixedly installed on the inner side of the second partition (18), and valve plate assemblies are movably installed inside the first connecting groove (17) and the second connecting groove (19).

2. The olive-type straight-through stop valve according to claim 1, characterized in that: A mounting base (6) is fixedly connected to the top of the valve body (2), a screw rod (5) is movably sleeved in the mounting base (6), and a hand wheel (4) is fixedly connected to one end of the top of the screw rod (5).

3. The olive-type straight-through stop valve according to claim 2 is characterized in that: The outer side of the screw rod (5) is threadedly connected to a slider (7), a transmission plate (8) is fixedly connected to the bottom of the slider (7), and the transmission plate (8) is movably sleeved on the outer side of the screw rod (5), a first transmission rod (9) is fixedly connected to one side below the transmission plate (8), and a second transmission rod (10) is fixedly connected to the other side below the transmission plate (8), and the first transmission rod (9) and the second transmission rod (10) are both fixedly connected to the bottom of the valve plate assembly.

4. The olive-type straight-through stop valve according to claim 3 is characterized in that: Two connection holes are equidistantly formed on the upper side of the valve body (2); a second limiting sleeve (21) is fixedly connected to the outer side of one of the connection holes of the valve body (2); a first limiting sleeve (20) is fixedly connected to the outer side of the other connection hole of the valve body (2); the lower end of the second transmission rod (10) is movably mounted in the second limiting sleeve (21); the lower end of the first transmission rod (9) is movably mounted in the first limiting sleeve (20); the lower ends of the first transmission rod (9) and the second transmission rod (10) pass through the two connection holes respectively.

5. The olive-type straight-through stop valve according to claim 4, characterized in that: The two valve plate assemblies have the same structure. Both valve plate assemblies include a valve plate body (11). The tops of the two valve plate bodies (11) are respectively fixedly connected to a first transmission rod (9) and a second transmission rod (10). One side of the valve plate body (11) is equidistantly fixedly connected to two mounting boxes (12). The interiors of the two mounting boxes (12) are both fixedly connected to a first spring (13). The bottoms of the two first springs (13) are both fixedly connected to a first connecting rod (14). The bottoms of the two first connecting rods (14) are fixedly connected to a sealing plate (15).

6. The olive-type straight-through stop valve according to claim 5, characterized in that: The lower parts of the two sealing plates (15) are movably mounted in the first connecting groove (17) and the second connecting groove (19) respectively.

7. The olive-type straight-through stop valve according to claim 6, characterized in that: A fixing plate (22) is fixedly installed inside the valve body (2) in the first compartment (31); a second mounting sleeve (27) is fixedly connected to one side of the fixing plate (22); a third spring (28) is fixedly connected to the inner side of the fixing plate (22); the third spring (28) is movably installed in the second mounting sleeve (27); one end of the third spring (28) is fixedly connected to a second connecting rod (29); and a buffer block (30) is fixedly connected to the outer end of the second connecting rod (29).

8. The olive-type straight-through stop valve according to claim 7, characterized in that: A second spring (24) is fixedly connected to the outer side of the fixing plate (22), a first mounting sleeve (23) is fixedly connected to the outer side of the fixing plate (22), the second spring (24) is movably mounted between the first mounting sleeve (23) and the second mounting sleeve (27), a connecting sleeve (25) is fixedly connected to the outer side of the second spring (24), a buffer plate (26) is fixedly connected to the outer side of the connecting sleeve (25), and the buffer plate (26) is movably sleeved on the outer side of the second mounting sleeve (27).

9. The olive-type straight-through stop valve according to claim 8, characterized in that: A water outlet (3) is fixedly connected to one side of the valve body (2).

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