CN219102136U

CN219102136U - High-reliability waterproof hammer relief valve

Info

Publication number: CN219102136U
Application number: CN202223526483.8U
Authority: CN
Inventors: 吴进武; 刘杰
Original assignee: Shanghai East Well Valve Co ltd
Current assignee: Shanghai East Well Valve Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-05-30
Anticipated expiration: 2032-12-29

Abstract

The utility model provides a high-reliability waterproof hammer relief valve, which comprises a valve body, wherein a lower shaft sleeve is arranged at the lower part in the valve body, an upper shaft sleeve is arranged at the upper part in the valve body, a valve shaft is arranged between the lower shaft sleeve and the upper shaft sleeve, the valve shaft is of a rotating structure, a sliding rod is arranged in the upper part of the valve shaft, a valve cover is covered at an upper port of the valve body, and an upper sealing ring is arranged at the center of the valve cover; the lower end of the valve body is provided with a base, the lower shaft sleeve is positioned in the base, the right side of the valve body is provided with a right port, and the right port is communicated with the valve body; the valve shaft obtains the lower body of rod and passes valve clack, lower sealing washer and sealing washer clamp plate simultaneously. The valve is tightly and firmly arranged, and the valve sleeve is arranged in the spring in a sleeved mode, so that the spring cannot outwards tilt, the balance of moment is maintained, the pressure in the valve is kept stable, and the valve is safe and reliable to use.

Description

High-reliability waterproof hammer relief valve

Technical Field

The utility model relates to the technical field of waterproof hammer relief valves, in particular to a high-reliability waterproof hammer relief valve.

Background

The water hammer is also called water hammer, which is a phenomenon that the flow velocity of liquid flowing in a pressurized pipeline changes suddenly due to some reason, and the pressure of the liquid increases or decreases suddenly and alternately due to inertia of the liquid, namely, a pressure wave. Because the inner wall of the pipeline is smooth, the water can freely flow; when the opened valve is suddenly closed or the water pump is suddenly stopped, the subsequent water flow continues to flow under the action of inertia, and after the flow is stopped, the water in the pipeline reversely flows, and at the moment, great impact force and water pressure are generated on the water pump, the valve and the pipeline, and the damage effect is generated.

In the specification of the comparative document CN210600325U, a water hammer resistant bleeder valve, it is mentioned that the water outlet flange is connected to the bleeder line; the upper end of the valve body is provided with a valve body seat; the valve body is internally provided with a valve core seat, and further comprises a pressure regulating device and a reset crank which can be used for resetting the balance weight, wherein the pressure regulating device comprises an upper supporting seat, a lower supporting seat and an adjusting screw, the upper supporting seat is arranged on the lower supporting seat, and the tail end of the adjusting screw is connected with the lower supporting seat; the pressure-bearing spring is arranged between the upper supporting seat and the lower supporting seat, but the waterproof hammer relief valve in the comparison document is provided with the double-sided spring, the spring cannot be stably positioned, so that camber can occur in the long-term use process, and then the internal moment balance is influenced, so that uneven pressure distribution is caused, and the use is not safe and reliable.

Disclosure of Invention

In order to overcome the defects existing in the prior art, the utility model provides a high-reliability waterproof hammer relief valve, so as to solve the problems that the waterproof hammer relief valve in a comparison document is provided with double-sided springs, the springs cannot be stably positioned, the springs can be outwards inclined in the long-term use process, the internal moment balance is influenced, the pressure distribution is uneven, and the use is not safe and reliable.

In order to achieve the above purpose, the high-reliability waterproof hammer relief valve comprises a valve body, wherein a lower shaft sleeve is arranged at the lower part in the valve body, an upper shaft sleeve is arranged at the upper part in the valve body, a valve shaft is arranged between the lower shaft sleeve and the upper shaft sleeve, the valve shaft is of a rotating structure, a sliding rod is arranged in the upper part of the valve shaft, a valve cover is covered at an upper port of the valve body, and an upper sealing ring is arranged at the center of the valve cover.

Further, the lower extreme of valve body is provided with the base, and the lower axle sleeve is located the base to the right side of valve body is provided with right port, and right port and valve body are interior to communicate and set up.

Further, the valve clack is arranged above the base, the sealing ring pressing plate is arranged on the lower end face of the valve clack, the lower sealing ring is arranged in the center of the sealing ring pressing plate, and meanwhile the valve shaft is provided with a lower rod body penetrating through the valve clack, the lower sealing ring and the sealing ring pressing plate.

Further, the upper portion inside wall of valve body is provided with the packing and presses the cover, and packs and presses the cover to adopt the silica gel material.

Further, a plurality of groups of fastening bolts are arranged between the valve cover and the upper end of the valve body, and O-shaped rings are sleeved on the upper rod bodies of the fastening bolts.

Further, the upper end sleeve of the valve shaft is sleeved in the gland, the right side of the gland is fixed with an indicator connecting plate, and the outer side of the indicator connecting plate is provided with an outer protection plate.

Further, a spring is sleeved outside the middle of the valve shaft, the upper end of the spring is propped under the valve cover, the lower end of the spring is propped on the valve clack, and a pipe joint is arranged on the rear side of the upper end face of the valve cover.

The utility model has the beneficial effects that:

1. according to the utility model, the valve shaft in the valve body is stably installed, and the sealing sleeves and other structures are arranged at the joints of the upper end head and the lower end head of the valve shaft, so that the valve shaft is more tightly connected, gaps are avoided, and the stability of pressure is maintained.

2. The valve cover and the valve body are tightly and firmly arranged, so that leakage is avoided, and the valve is safe and reliable to use.

3. The upper end of the valve shaft in the valve body is sleeved in the gland, the valve shaft is driven to move together by adjusting the sliding rod, and the opening degree of the opening and closing piece is adjusted, so that the pressure behind the valve is kept within a certain range.

Drawings

FIG. 1 is a schematic front view of an embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of an embodiment of the present utility model;

FIG. 3 is a schematic illustration of a valve shaft structure according to an embodiment of the present utility model.

In the figure: 1. a valve body; 2. a lower shaft sleeve; 3. a seal ring pressing plate; 4. a lower sealing ring; 5. a valve flap; 6. a valve shaft; 7. packing pressing sleeve; 8. a fastening bolt; 9. an O-ring; 10. an upper sealing ring; 11. a valve cover; 12. a right port; 13. a spring; 14. a pipe joint; 15. an upper shaft sleeve; 16. a slide bar; 17. an indicator connection plate; 18. a gland; 19. an outer shield; 20. and (5) a base.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clearly apparent, the present utility model is further described in detail below with reference to the accompanying drawings and embodiments. The specific embodiments described herein are offered by way of illustration only and not as limitations of the utility model, and specific details such as particular system architectures, techniques, etc. may be set forth in order to provide a more thorough understanding of the embodiments of the utility model. The described embodiments are some, but not all, embodiments of the present disclosure. It will be apparent, however, to one skilled in the art that the present utility model may be practiced in other embodiments that depart from these specific details. Based on the embodiments in this disclosure, all other embodiments that a person skilled in the art would obtain without making any inventive effort are within the scope of protection of this disclosure.

Specific embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

Fig. 1 is a schematic front view of an embodiment of the present utility model, fig. 2 is a schematic cross-sectional structure of an embodiment of the present utility model, and fig. 3 is a schematic structural arrangement of a valve shaft of an embodiment of the present utility model.

Referring to fig. 1 to 3, the utility model provides a high-reliability water hammer preventing bleeder valve, which comprises a valve body 1, wherein a lower shaft sleeve 2 is arranged at the lower part in the valve body 1, an upper shaft sleeve 15 is arranged at the upper part in the valve body 1, a valve shaft 6 is arranged between the lower shaft sleeve 2 and the upper shaft sleeve 15, the valve shaft 6 is of a rotating structure, a valve cover 11 is arranged at the upper port of the valve body 1, and an upper sealing ring 10 is arranged at the center of the valve cover 11.

In the embodiment, the lower end of the valve body 1 is provided with a base 20, the lower shaft sleeve 2 is positioned in the base 20, the right side of the valve body 1 is provided with a right port 12, and the right port 12 is communicated with the inside of the valve body 1; the valve clack 5 is arranged above the base 20, the sealing ring pressing plate 3 is arranged on the lower end face of the valve clack 5, the lower sealing ring 4 is arranged in the center of the sealing ring pressing plate 3, and meanwhile, the valve shaft 6 is provided with a lower rod body penetrating through the valve clack 5, the lower sealing ring 4 and the sealing ring pressing plate 3.

As a preferred embodiment, the valve shaft 6 in the valve body 1 is stably installed, and sealing sleeves and other structures are arranged at the connecting positions of the upper end and the lower end of the valve shaft 6, so that the valve shaft is more tightly connected, gaps are avoided, and the stability of pressure is maintained.

In the embodiment, a packing pressing sleeve 7 is arranged on the inner side wall of the upper part of the valve body 1, and the packing pressing sleeve 7 is made of silica gel; a plurality of groups of fastening bolts 8 are arranged between the valve cover 11 and the upper end of the valve body 1, and an O-shaped ring 9 is sleeved on the upper rod body of the fastening bolts 8.

As a preferred embodiment, the valve cover 11 is tightly and firmly installed with the valve body 1, so that the leakage is avoided, and the valve is safe and reliable to use.

In the embodiment, the upper end of the valve shaft 6 is sleeved in the gland 18, the indicator connecting plate 17 is fixed on the right side of the gland 18, and the outer protection plate 19 is arranged on the outer side of the indicator connecting plate 17; the middle part of the valve shaft 6 is sleeved with a spring 13, the upper end of the spring 13 is propped under the valve cover 11, the lower end of the spring 13 is propped against the valve clack 5, and the rear side of the upper end face of the valve cover 11 is provided with a pipe joint 14.

In a preferred embodiment, the upper end of the valve shaft 6 in the valve body 1 is sleeved in the gland 18, the valve shaft 6 is driven to move together by adjusting the sliding rod 16, and the opening degree of the opening and closing piece is adjusted, so that the pressure behind the valve is kept within a certain range.

The utility model can effectively solve the problems that the waterproof hammer relief valve in the comparison document is provided with the double-sided springs, the springs cannot be stably positioned, so that the camber can occur in the long-term use process, the internal moment balance is influenced, the pressure distribution is uneven, and the use is not safe and reliable.

The above-described embodiments are intended to illustrate the present utility model, not to limit it, and any modifications and variations made to the present utility model within the spirit of the utility model and the scope of the claims should be included in the scope of the present utility model.

Claims

1. The utility model provides a waterproof hammer bleeder valve of high reliability, includes valve body (1), its characterized in that: the valve is characterized in that a lower shaft sleeve (2) is arranged at the lower part in the valve body (1), an upper shaft sleeve (15) is arranged at the upper part in the valve body (1), a valve shaft (6) is arranged between the lower shaft sleeve (2) and the upper shaft sleeve (15), the valve shaft (6) is of a rotating structure, a sliding rod (16) is arranged in the upper part of the valve shaft (6), a valve cover (11) is covered at an upper port of the valve body (1), and an upper sealing ring (10) is arranged at the center of the valve cover (11).

2. The high-reliability waterproof hammer relief valve according to claim 1, wherein a base (20) is provided at the lower end of the valve body (1), the lower shaft sleeve (2) is located in the base (20), a right port (12) is provided on the right side of the valve body (1), and the right port (12) is communicated with the inside of the valve body (1).

3. The high-reliability waterproof hammer relief valve according to claim 2, characterized in that a valve flap (5) is arranged above the base (20), a sealing ring pressing plate (3) is arranged on the lower end face of the valve flap (5), a lower sealing ring (4) is arranged in the center of the sealing ring pressing plate (3), and meanwhile, the valve shaft (6) is provided with a lower rod body penetrating through the valve flap (5), the lower sealing ring (4) and the sealing ring pressing plate (3).

4. The high-reliability waterproof hammer release valve according to claim 1 is characterized in that a packing pressing sleeve (7) is arranged on the inner side wall of the upper portion of the valve body (1), and the packing pressing sleeve (7) is made of silica gel.

5. The high-reliability waterproof hammer relief valve according to claim 1, characterized in that a plurality of groups of fastening bolts (8) are installed between the valve cover (11) and the upper end of the valve body (1), and an O-ring (9) is sleeved on the upper rod body of the fastening bolts (8).

6. The high-reliability waterproof hammer relief valve according to claim 1, characterized in that the upper end cap of the valve shaft (6) is sleeved in a gland (18), an indicator connecting plate (17) is fixed on the right side of the gland (18), and an outer protection plate (19) is arranged on the outer side of the indicator connecting plate (17).

7. The high-reliability waterproof hammer relief valve according to claim 1, wherein a spring (13) is sleeved outside the middle part of the valve shaft (6), the upper end of the spring (13) is propped under the valve cover (11), the lower end of the spring (13) is propped against the valve clack (5), and a pipe joint (14) is arranged at the rear side of the upper end face of the valve cover (11).