CN220980401U

CN220980401U - Check valve

Info

Publication number: CN220980401U
Application number: CN202321268043.9U
Authority: CN
Inventors: 梁灶荣
Original assignee: Individual
Current assignee: Zhejiang Crown Industrial Co ltd
Priority date: 2023-05-24
Filing date: 2023-05-24
Publication date: 2024-05-17
Anticipated expiration: 2033-05-24

Abstract

The utility model relates to the technical field of check valves, in particular to a check valve, which comprises a square pipeline, wherein a square blocking piece is arranged in an inner cavity of the square pipeline, one end of the square blocking piece is fixedly connected with a connecting block, a rotating shaft is inserted in the inner cavity of the connecting block, one end of the rotating shaft penetrates through the square pipeline and is arranged at the output end of a motor, the outer wall of the rotating shaft is sleeved with bearings, two groups of bearings are arranged in parallel and sleeved on the outer wall of the rotating shaft, the top of each bearing is fixedly connected with a connecting rod, the top of each connecting rod is fixedly connected in the inner cavity of the square pipeline, when water is stopped, the motor can be automatically started, so that the rotating shaft drives the connecting block and the square blocking piece to movably adjust, when the square blocking piece is downwards adjusted to be vertical, water flow can be blocked, sudden water stopping is avoided, and the device is not closed to cause reverse water circulation; simultaneously the connector link can be connected rubber buffer and threaded rod, avoids the threaded rod to be connected with the rubber buffer directly simultaneously, and after live time is longer, the rubber buffer is easy to drop, and leads to the device unable closure.

Description

Check valve

Technical Field

The utility model relates to the technical field of check valves, in particular to a check valve.

Background

A check valve (CHECKVALVE), also known as a non-return valve, a reverse valve, or a one-way valve, is a valve for controlling the one-way flow of fluid in a conduit. Its primary function is to allow free flow of fluid in one direction while preventing or restricting flow in the opposite direction. The principle of operation of a check valve is based on a flap or a disk inside the valve.

The check valve for valve tap that proposes in chinese patent CN212455842U is convenient to detach, including check valve, valve tap and arc clamp plate, its characterized in that: one end of check valve is provided with the adapter sleeve, and the inside of adapter sleeve is provided with the threaded connection groove, and the one end of valve tap is provided with the threaded connection head, and the check valve passes through threaded connection groove and threaded connection head and valve tap threaded connection, is provided with the mounting panel on the check valve, and the check valve runs through the mounting panel, and the upper and lower both ends of mounting panel one side lateral wall all are provided with the curb plate, and two curb plates all perpendicular to mounting panel all are provided with the bearing in the intermediate position department at two opposite side lateral wall both ends of two curb plates.

There are other prior art techniques such as:

CN212804415U, a combined check valve;

CN202402721U, a check valve; these and other prior art techniques also present certain problems in use.

The following disadvantages also exist in the above technical scheme: in such devices, when a water shut-off event is encountered, the device may not be rotated to close the valve body, or other devices may be provided to block the flow of water, which may cause the flow of water to reverse back into the device lumen.

In view of the above, the present utility model provides a check valve.

Disclosure of utility model

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a check valve, includes square pipeline, square pipeline inner chamber installs square resistance card, square resistance card one end fixedly connected with connecting block, the connecting block inner chamber is pegged graft and is had the pivot, square pipeline is run through to pivot one end and is installed in the motor output, the bearing has been cup jointed to the pivot outer wall, the bearing is provided with two sets of and cup joints in parallel at the pivot outer wall altogether, accessible driving motor to make the pivot drive connecting block and square resistance card fan-shaped activity regulation, when square resistance card down adjusts perpendicularly, can separate rivers, avoid when not using, produce the condition of running water.

As the preferable technical scheme of the utility model, the top of the bearing is fixedly connected with a connecting rod, the top of the connecting rod is fixedly connected with the inner cavity of the square pipeline, and the connecting rod can connect the bearing with the inner cavity of the square pipeline.

As the preferable technical scheme of the utility model, one end of the square pipeline is fixedly connected with the first connecting piece, one end of the square pipeline far away from the first connecting piece is fixedly connected with the second connecting piece, the inner cavities of the first connecting piece and the second connecting piece are respectively inserted with four groups of first threaded bolts, and holes between the first connecting piece or the second connecting piece can be aligned and are connected and fixed through the first threaded bolts.

As the preferable technical scheme of the utility model, one end of the second connecting piece is fixedly connected with a first connecting pipeline, one end of the first connecting pipeline far away from the second connecting piece is fixedly connected with a body, one end of the body far away from the first connecting pipeline is fixedly connected with a second connecting pipeline, the second connecting piece can connect the square pipeline with the first connecting pipeline together, so that water flow can enter the inner cavity of the body through the first connecting pipeline, and meanwhile, the water flow in the inner cavity of the body can flow out through the second connecting pipeline.

As the preferable technical scheme of the utility model, the special-shaped partition plate is fixedly connected in the inner cavity of the body, the top of the special-shaped partition plate is provided with the circular groove, the inner cavity of the circular groove is provided with the rubber plug, the connecting buckle is arranged in the inner cavity of the rubber plug, when the connecting buckle moves up and down, the rubber plug can be driven to move up and down, when the rubber plug moves down to cling to the circular groove, water flow can not continue to pass through the circular groove, and when the rubber plug moves up, water flow can flow to one end of the body through the circular groove.

As the preferable technical scheme of the utility model, the top of the connecting buckle is fixedly connected with a threaded rod, the outer wall of the threaded rod is sleeved with a threaded limit sleeve, the threaded rod penetrates through the threaded limit sleeve and is fixedly connected with a rotary table, and the rotary table can be rotated to enable the threaded rod to drive the connecting buckle to move up and down to be adjusted when the threaded limit sleeve rotates in an inner cavity.

As the preferable technical scheme of the utility model, the top of the threaded limit sleeve is fixedly connected with the cap, a gasket is arranged between the cap and the body, the cap and the body are connected through the second threaded bolt, the second threaded bolt is provided with six groups in total and is symmetrically inserted between the cap and the body, and the gasket can prevent water flow from overflowing when the inner cavities of the cap and the body are filled with water.

Compared with the prior art, the utility model has the beneficial effects that:

1. In the device, when the water supply is stopped, the motor can be automatically started, so that the rotating shaft drives the connecting block to movably adjust with the sector shape of the square blocking piece, when the square blocking piece is downwards adjusted to be vertical, water flow can be blocked, sudden water supply stopping is avoided, and the device is not closed to cause reverse circulation of water.

2. In the device, the connector link can be connected rubber buffer and threaded rod, avoids the threaded rod to be connected with the rubber buffer directly simultaneously, leads to the rubber buffer to easily drop after the live time is longer, and makes the device unable to be closed, produces circumstances such as leaking.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of a square resist sheet structure according to the present utility model;

FIG. 3 is a schematic view of the structure of the thread stop collar of the present utility model;

Fig. 4 is a cross-sectional view of the body of the present utility model.

In the figure: 1. square pipes; 2. square resistance sheet; 3. a connecting block; 4. a rotating shaft; 5. a motor; 6. a bearing; 7. a connecting rod; 8. a first connector; 9. a second connector; 10. a first threaded bolt; 11. a first connecting pipe; 12. a body; 13. a second connecting pipe; 14. a special-shaped partition board; 15. a circular groove; 16. a rubber stopper; 17. a connecting buckle; 18. a threaded rod; 19. a thread limit sleeve; 20. a turntable; 21. a gasket; 22. a second threaded bolt; 23. and (3) capping.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1 and 2, an embodiment 1 is illustrated, which comprises a square pipe 1, wherein a square blocking piece 2 is installed in an inner cavity of the square pipe 1, when the square blocking piece 2 is downwards adjusted to be vertical, water flow can be blocked, the condition of water leakage is avoided when the square blocking piece is not used, one end of the square blocking piece 2 is fixedly connected with a connecting block 3, when the connecting block 3 rotates, the fan-shaped movable adjustment of the square blocking piece 2 can be driven, a rotating shaft 4 is inserted in the inner cavity of the connecting block 3, when the rotating shaft 4 rotates, the rotating block 3 can be driven to rotate and adjust, one end of the rotating shaft 4 penetrates through the square pipe 1 and is installed at an output end of a motor 5, the rotating shaft 4 is driven to rotate by a driving motor 5, bearings 6 are sleeved on the outer wall of the rotating shaft 4 in a sleeved mode, two groups of bearings 6 are arranged in parallel on the outer wall of the rotating shaft 4 in a sleeved mode, and the bearings 6 can support two ends of the rotating shaft 4;

Referring to fig. 1 and 2, a connecting rod 7 is fixedly connected to the top of the bearing 6, the top of the connecting rod 7 is fixedly connected to the inner cavity of the square pipeline 1, and the connecting rod 7 can connect the bearing 6 to the inner cavity of the square pipeline 1;

Referring to fig. 1 and 2, one end of a square pipe 1 is fixedly connected with a first connecting piece 8, one end of the square pipe 1 far away from the first connecting piece 8 is fixedly connected with a second connecting piece 9, four groups of first threaded bolts 10 are inserted into inner cavities of the first connecting piece 8 and the second connecting piece 9, holes between the first connecting piece 8 or the second connecting piece 9 can be aligned, and the first threaded bolts 10 are used for connection and fixation;

In this embodiment, when not using the device, accessible driving motor 5 to make pivot 4 drive connecting block 3 and square resistance card 2 fan-shaped activity regulation, when square resistance card 2 down to perpendicular, can separate rivers, avoid when not using, produce the condition of leaking.

Example 2

Referring to fig. 1, 3 and 4, the embodiment further describes example 1, and includes a second connecting piece 9, one end of the second connecting piece 9 is fixedly connected with a first connecting pipe 11, the second connecting piece 9 can connect the square pipe 1 with the first connecting pipe 11, one end of the first connecting pipe 11 far away from the second connecting piece 9 is fixedly connected with a body 12, water flow can enter an inner cavity of the body 12 through the first connecting pipe 11, one end of the body 12 far away from the first connecting pipe 11 is fixedly connected with a second connecting pipe 13, and water flow in the inner cavity of the body 12 can flow out through the second connecting pipe 13;

Referring to fig. 1, 3 and 4, an inner cavity of a body 12 is fixedly connected with a special-shaped partition 14, the special-shaped partition 14 can separate the inner cavity of the body 12, a round groove 15 is formed in the top of the special-shaped partition 14, water flow at one end of the body 12 can pass through the round groove 15 and enter the other end of the body 12, a rubber plug 16 is arranged in the inner cavity of the round groove 15, when the rubber plug 16 moves downwards to cling to the round groove 15, the water flow can not continue to pass through the round groove 15, when the rubber plug 16 moves upwards, the water flow can flow to one end of the body 12 through the round groove 15, a connecting buckle 17 is arranged in the inner cavity of the rubber plug 16, and when the connecting buckle 17 moves up and down, the rubber plug 16 can be driven to move up and down;

Referring to fig. 1, 3 and 4, a threaded rod 18 is fixedly connected to the top of the connecting buckle 17, when the threaded rod 18 is at one end up and down, the connecting buckle 17 can be driven to move up and down, a threaded limit sleeve 19 is sleeved on the outer wall of the threaded rod 18, a rotary table 20 is fixedly connected to the threaded rod 18 through the threaded limit sleeve 19, and the threaded rod 18 can be adjusted by rotating the rotary table 20 so that the threaded rod 18 moves up and down when the threaded limit sleeve 19 rotates in an inner cavity;

referring to fig. 1, 3 and 4, a cap 23 is fixedly connected to the top of the threaded stop collar 19, a gasket 21 is arranged between the cap 23 and the body 12, the gasket 21 can prevent water flow from overflowing when the inner cavities of the cap 23 and the body 12 are filled with water, the cap 23 and the body 12 are connected through a second threaded bolt 22, and the second threaded bolt 22 is provided with six groups in total and is symmetrically inserted into the cap 23 and the body 12;

In this embodiment, the cap 23, the spacer 21 and the slot hole between the body 12 are aligned, the second threaded bolt 22 is used for connection and fixation, and the second connecting piece 9 is used for connecting the square pipe 1 with the first connecting pipe 11 and fixing the square pipe with the first threaded bolt 10, so that water flow can enter the inner cavity of the body 12 through the first connecting pipe 11, and the rotating disc 20 is rotated, so that the threaded rod 18 drives the connecting buckle 17 to move up and down when the threaded limiting sleeve 19 rotates in the inner cavity, when the rubber stopper 16 moves downwards to cling to the round groove 15, water flow can not continue through the round groove 15, and when the rubber stopper 16 moves upwards, water flow can flow to one end of the body 12 through the round groove 15 and flow out through the second connecting pipe 13.

The working principle of the embodiment is as follows: firstly, placing and anastomosing slotted holes between a cap 23, a gasket 21 and a body 12, connecting and fixing by using a second threaded bolt 22, simultaneously connecting a square pipeline 1 and a first connecting pipeline 11 together by using a second connecting piece 9, enabling water flow to enter an inner cavity of the body 12 through the first connecting pipeline 11, rotating a rotary table 20, enabling a threaded rod 18 to drive a connecting buckle 17 to move up and down when a threaded limit sleeve 19 rotates in the inner cavity, and enabling the water flow to one end of the body 12 through a circular groove 15 and flow out through a second connecting pipeline 13 when a rubber plug 16 moves upwards; when the water flow needs to be closed, the turntable 20 can be rotated again, so that when the rubber plug 16 moves downwards to cling to the round groove 15, the water flow can not continuously pass through the round groove 15, the driving motor 5 is started, the rotating shaft 4 drives the connecting block 3 to movably adjust with the fan shape of the square blocking piece 2, and when the square blocking piece 2 is downwards adjusted to be vertical, the water flow can be blocked, and the water leakage is avoided when the water leakage is not used.

Claims

1. A non-return valve comprising a square pipe (1), characterized in that: square resistance card (2) are installed to square pipeline (1) inner chamber, square resistance card (2) one end fixedly connected with connecting block (3), connecting block (3) inner chamber peg graft have pivot (4), square pipeline (1) are installed in motor (5) output is run through to pivot (4) one end, bearing (6) have been cup jointed to pivot (4) outer wall, bearing (6) are provided with two sets of just parallelly cup joints in pivot (4) outer wall altogether.

2. A check valve according to claim 1, wherein: the top of the bearing (6) is fixedly connected with a connecting rod (7), and the top of the connecting rod (7) is fixedly connected with the inner cavity of the square pipeline (1).

3. A check valve according to claim 1, wherein: the utility model discloses a square pipeline, including square pipeline (1), square pipeline (1) one end all fixed connection first connecting piece (8), square pipeline (1) one end fixedly connected with second connecting piece (9) of keeping away from first connecting piece (8), four first screw bolt (10) of group have all been pegged graft with second connecting piece (9) inner chamber.

4. A check valve according to claim 3, wherein: the first connecting pipeline (11) of second connecting piece (9) one end fixedly connected with, the one end fixedly connected with body (12) of second connecting piece (9) are kept away from to first connecting pipeline (11), the one end fixedly connected with second connecting pipeline (13) of first connecting pipeline (11) are kept away from to body (12).

5. A check valve according to claim 4, wherein: the special-shaped partition board is characterized in that the inner cavity of the body (12) is fixedly connected with the special-shaped partition board (14), a round groove (15) is formed in the top of the special-shaped partition board (14), a rubber plug (16) is arranged in the inner cavity of the round groove (15), and a connecting buckle (17) is arranged in the inner cavity of the rubber plug (16).

6. A check valve according to claim 5, wherein: the top of the connecting buckle (17) is fixedly connected with a threaded rod (18), the outer wall of the threaded rod (18) is sleeved with a threaded limit sleeve (19), and the threaded rod (18) penetrates through the threaded limit sleeve (19) and is fixedly connected with a rotary table (20).

7. A check valve according to claim 6, wherein: the nut cap is characterized in that a nut cap (23) is fixedly connected to the top of the threaded limit sleeve (19), a gasket (21) is arranged between the nut cap (23) and the body (12), the nut cap (23) is connected with the body (12) through a second threaded bolt (22), and six groups of second threaded bolts (22) are symmetrically inserted between the nut cap (23) and the body (12).