CN216843280U

CN216843280U - One-way valve capable of reducing maintenance and replacement frequency

Info

Publication number: CN216843280U
Application number: CN202220583123.2U
Authority: CN
Inventors: 李倩
Original assignee: Tianjin Binhai New Area Parkes Fluid Technology Co ltd
Current assignee: Tianjin Binhai New Area Parkes Fluid Technology Co ltd
Priority date: 2022-03-17
Filing date: 2022-03-17
Publication date: 2022-06-28
Anticipated expiration: 2032-03-17

Abstract

The utility model belongs to the technical field of check valve equipment, especially, be a can reduce check valve who maintains change frequency, including the check valve main part, check valve main part one side is provided with the import pipe, check valve main part opposite side is provided with the outlet pipe, check valve main part top one side is run through and is provided with the pivot, the pivot top is provided with the knob, the inside one side of check valve main part is provided with the water inlet, the spout has been seted up to the inside opposite side of check valve main part, the pivot bottom is provided with two-way lead screw, the lower extreme all is provided with the thread bush on the two-way lead screw periphery, thread bush one side is provided with the bull stick, bull stick one end is provided with the connecting block, connecting block one side is provided with the disc. The utility model improves the service life of the check valve by arranging the telescopic rod, the reset spring, the sealing block, the knob and the annular slide block; through setting up knob, two-way lead screw, disc, sealed piece, improved the practicality of its use.

Description

One-way valve capable of reducing maintenance and replacement frequency

Technical Field

The utility model relates to a check valve technical field specifically is a can reduce the check valve who maintains the change frequency.

Background

The check valve is commonly called as a check valve, fluid can only flow along the water inlet, and the medium at the water outlet cannot flow back. Check valves are also known as check valves or check valves. For preventing reverse flow of oil in hydraulic systems or for preventing reverse flow of compressed air in pneumatic systems. The one-way valve has a straight-through type and a right-angle type. The straight-through one-way valve is installed on the pipeline by threaded connection. The right-angle check valve has three forms of threaded connection, plate connection and flange connection.

The prior art has the following defects or problems:

1. when the check valve in the current market works, the elasticity of the spring is weakened due to long-term impact force, the normal work of the check valve is influenced, and the check valve needs to be maintained and replaced frequently;

2. when the check valve on the market works at present, the spring is elastically fixed and cannot change the stress size of the check valve, and when the fluid pressure is too small, the check valve cannot work normally.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a can reduce the check valve who maintains the change frequency has solved the needs that exist now and frequently maintains, changes and when fluid pressure is too little, the unable normal work scheduling problem of check valve.

In order to achieve the above object, the utility model provides a following technical scheme: a check valve capable of reducing maintenance and replacement frequency comprises a check valve main body, an inlet pipe is arranged on one side of the check valve main body, an outlet pipe is arranged at the other side of the check valve main body, a rotating shaft is arranged at one side of the top of the check valve main body in a penetrating way, the top end of the rotating shaft is provided with a knob, one side inside the one-way valve main body is provided with a water inlet, the other side inside the one-way valve main body is provided with a chute, the bottom end of the rotating shaft is provided with a bidirectional screw rod, the upper end and the lower end of the periphery of the bidirectional screw rod are provided with thread sleeves, a rotating rod is arranged on one side of the threaded sleeve, a connecting block is arranged at one end of the rotating rod, a disc is arranged on one side of the connecting block, one side of the disc is provided with a telescopic rod, one side of the telescopic rod is provided with a sealing block, the periphery of the telescopic rod is provided with a return spring, four groups of supporting rods are uniformly arranged on the periphery of the disc, and an annular sliding block is arranged inside the sliding groove.

As the utility model discloses a preferred technical scheme, import pipe and outlet pipe all with the fixed welding of check valve main part, import pipe and outlet pipe periphery all are provided with the screw thread, the pivot is connected with the check valve main part rotation.

As a preferred technical scheme of the utility model, knob and pivot fixed weld, two-way lead screw and pivot fixed connection, two-way lead screw passes through the bearing with the check valve main part and rotates to be connected.

As a preferred technical scheme of the utility model, the thread bush uses with two-way lead screw is supporting, thread bush and two-way lead screw threaded connection, the bull stick rotates with the thread bush to be connected, the bull stick rotates with the connecting block to be connected.

As a preferred technical scheme of the utility model, connecting block and disc fixed weld, bracing piece and annular slider fixed weld, annular slider and spout size phase-match, annular slider and spout sliding connection.

As an optimal technical scheme of the utility model, sealed piece and disc all with the fixed welding of telescopic link, sealed piece and disc all bond with reset spring is fixed, sealed piece is the setting of round platform type.

Compared with the prior art, the utility model provides a can reduce the check valve of maintaining change frequency possesses following beneficial effect:

1. this can reduce and maintain check valve of change frequency, through setting up the telescopic link, reset spring, sealed piece, the knob, annular sliding block, when using for a long time, reset spring elasticity weakens, do not play due sealed effect, rotate the knob this moment, the knob drives the pivot and rotates, it rotates to drive two-way lead screw, drive two sets of thread bush and move on two-way lead screw in opposite directions, the bull stick takes place to rotate, the cooperation connecting block, can promote the disc, the cooperation bracing piece, make annular sliding block slide in the spout, make reset spring to the pressure increase of sealed piece, make check valve can continue normal use, the service life of check valve is prolonged.

2. This can reduce check valve of maintaining change frequency through setting up knob, two-way lead screw, disc, sealed piece, makes when the less fluid of needs delivery flow, because fluid pressure undersize, the check valve can not be opened, rotates the knob this moment for the disc removes to the one side of keeping away from the water inlet, and sealed piece weakens the pressure of water inlet this moment, makes the fluid can normally pass through, has improved the practicality of its use.

Drawings

FIG. 1 is a schematic view of the overall structure of a check valve capable of reducing the frequency of maintenance and replacement;

fig. 2 is a front cross-sectional view of the check valve of the present invention for reducing the frequency of maintenance and replacement;

FIG. 3 is an enlarged view of the check valve A of the present invention to reduce the frequency of maintenance and replacement;

fig. 4 is the overall schematic diagram of the check valve disc and the annular slider of the present invention, which can reduce the maintenance and replacement frequency.

In the figure: 1. a check valve body; 2. an inlet pipe; 3. an outlet pipe; 4. a knob; 5. a water inlet; 6. a rotating shaft; 7. a telescopic rod; 8. a return spring; 9. a sealing block; 10. a bidirectional screw rod; 11. a threaded sleeve; 12. a rotating rod; 13. connecting blocks; 14. a disc; 15. a support bar; 16. an annular slider; 17. a chute.

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, in this embodiment: a check valve capable of reducing maintenance and replacement frequency comprises a check valve body 1, wherein an inlet pipe 2 is arranged on one side of the check valve body 1 to facilitate installation and connection of the check valve, an outlet pipe 3 is arranged on the other side of the check valve body 1 to facilitate installation and connection of the check valve, a rotating shaft 6 is arranged on one side of the top of the check valve body 1 in a penetrating manner and is convenient to drive a bidirectional lead screw 10 to rotate, a knob 4 is arranged at the top end of the rotating shaft 6 to facilitate adjustment of pressure of a sealing block 9 on a water inlet 5, a water inlet 5 is arranged on one side of the inside of the check valve body 1, a sliding groove 17 is formed on the other side of the inside of the check valve body 1 to facilitate sliding of an annular sliding block 16, the bidirectional lead screw 10 is arranged at the bottom end of the rotating shaft 6, thread sleeves 11 are arranged at the upper end and the lower end of the periphery of the bidirectional lead screw 10, a rotating rod 12 is arranged on one side of each thread sleeve 11, a connecting block 13 is provided with a disc 14 which is convenient to drive the disc 14 to move, disc 14 one side is provided with telescopic link 7, and telescopic link 7 one side is provided with sealed piece 9, conveniently seals water inlet 5, and telescopic link 7 periphery is provided with reset spring 8, and disc 14 periphery evenly is provided with four group's bracing pieces 15, and spout 17 is inside to be provided with annular slider 16, conveniently changes the pressure of sealed piece 9 to water inlet 5.

In the embodiment, the inlet pipe 2 and the outlet pipe 3 are fixedly welded with the check valve main body 1, threads are arranged on the peripheries of the inlet pipe 2 and the outlet pipe 3, and the rotating shaft 6 is rotatably connected with the check valve main body 1, so that the check valve is convenient to install and connect; the knob 4 is fixedly welded with the rotating shaft 6, the bidirectional screw rod 10 is fixedly connected with the rotating shaft 6, and the bidirectional screw rod 10 is rotatably connected with the check valve main body 1 through a bearing, so that the pressure of the sealing block 9 on the water inlet 5 can be conveniently changed; the threaded sleeve 11 is matched with the bidirectional screw rod 10 for use, the threaded sleeve 11 is in threaded connection with the bidirectional screw rod 10, the rotating rod 12 is in rotary connection with the threaded sleeve 11, and the rotating rod 12 is in rotary connection with the connecting block 13, so that the annular sliding block 16 can move conveniently; the connecting block 13 is fixedly welded with the disc 14, the support rod 15 is fixedly welded with the annular slide block 16, the annular slide block 16 is matched with the sliding groove 17 in size, and the annular slide block 16 is connected with the sliding groove 17 in a sliding manner, so that the annular slide block 16 can move conveniently; sealed piece 9 and disc 14 all with telescopic link 7 fixed weld, sealed piece 9 and disc 14 all with reset spring 8 fixed bonding, sealed piece 9 is the round platform type setting, conveniently seals water inlet 5.

The utility model discloses a theory of operation and use flow: an operator installs the check valve main body 1 at a designated position by the inlet pipe 2 and the outlet pipe 3, when the check valve is used, fluid enters the check valve from the inlet pipe 2, the sealing block 9 is extruded by the water inlet 5, the expansion link 7 contracts at the moment, the return spring 8 is compressed, the sealing block 9 is separated from the water inlet 5, the fluid can flow out from the outlet pipe 3 through the check valve main body 1, the return spring 8 is matched with the sealing block 9, so that the fluid can not flow back from the outlet pipe 3 to the inlet pipe 2, when the check valve is used for a long time, the elasticity of the return spring 8 is weakened, the due sealing effect cannot be achieved, at the moment, the knob 4 is rotated, the knob 4 drives the rotating shaft 6 to rotate, drives the two-way screw rod 10 to rotate, drives the two groups of thread sleeves 11 to move oppositely on the two-way screw rod 10, the rotating rod 12 rotates, the connecting block 13 is matched with the disc 14, the supporting rod 15 is matched, so that the annular slider 16 slides in the sliding groove 17, make reset spring 8 increase to the pressure of sealed piece 9 for the check valve can continue normal use, and the less fluid of flow makes when needs carry, because fluid pressure undersize, the check valve can not be opened, rotates knob 4 this moment, makes disc 14 remove to the one side of keeping away from water inlet 5, and sealed piece 9 weakens the pressure of water inlet 5 this moment, makes the fluid can normally pass through, has improved the practicality of its use.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A can reduce the check valve who maintains the change frequency, includes check valve main part (1), its characterized in that: an inlet pipe (2) is arranged on one side of the check valve main body (1), an outlet pipe (3) is arranged on the other side of the check valve main body (1), a rotating shaft (6) penetrates through one side of the top of the check valve main body (1), a knob (4) is arranged at the top end of the rotating shaft (6), a water inlet (5) is arranged on one side inside the check valve main body (1), a sliding groove (17) is formed in the other side inside the check valve main body (1), a two-way lead screw (10) is arranged at the bottom end of the rotating shaft (6), thread sleeves (11) are arranged at the upper end and the lower end of the periphery of the two-way lead screw (10), a rotating rod (12) is arranged on one side of each thread sleeve (11), a connecting block (13) is arranged at one end of each rotating rod (12), a disc (14) is arranged on one side of each connecting block (13), and a telescopic rod (7) is arranged on one side of each disc (14), one side of the telescopic rod (7) is provided with a sealing block (9), the periphery of the telescopic rod (7) is provided with a return spring (8), the periphery of the disc (14) is uniformly provided with four groups of supporting rods (15), and an annular sliding block (16) is arranged inside the sliding groove (17).

2. A check valve for reducing maintenance and replacement frequency according to claim 1, wherein: the inlet pipe (2) and the outlet pipe (3) are fixedly welded with the one-way valve body (1), threads are arranged on the peripheries of the inlet pipe (2) and the outlet pipe (3), and the rotating shaft (6) is rotatably connected with the one-way valve body (1).

3. A check valve for reducing maintenance and replacement frequency according to claim 1, wherein: the knob (4) is fixedly welded with the rotating shaft (6), the bidirectional screw rod (10) is fixedly connected with the rotating shaft (6), and the bidirectional screw rod (10) is rotatably connected with the check valve main body (1) through a bearing.

4. A check valve for reducing maintenance and replacement frequency according to claim 1, wherein: the screw sleeve (11) is matched with the bidirectional screw rod (10) for use, the screw sleeve (11) is in threaded connection with the bidirectional screw rod (10), the rotating rod (12) is rotatably connected with the screw sleeve (11), and the rotating rod (12) is rotatably connected with the connecting block (13).

5. The check valve capable of reducing maintenance and replacement frequency according to claim 1, wherein: connecting block (13) and disc (14) fixed weld, bracing piece (15) and annular slider (16) fixed weld, annular slider (16) and spout (17) size phase-match, annular slider (16) and spout (17) sliding connection.

6. A check valve for reducing maintenance and replacement frequency according to claim 1, wherein: sealed piece (9) and disc (14) all with telescopic link (7) fixed welding, sealed piece (9) and disc (14) all with reset spring (8) fixed bonding, sealed piece (9) are the round platform type setting.