One-way valve capable of adjusting flow direction

Abstract

The utility model discloses a one-way valve capable of adjusting flow direction, which belongs to the technical field of valves and specifically comprises a shell, a valve seat and a valve core, the valve seat and the valve core are arranged in the shell, at least one one-way flow channel is arranged on the valve core, at least three flow channel ports are arranged on the shell, and a displacement component is arranged on the shell. The displacement assembly can at least control one one-way flow channel to move so that an inlet and / or an outlet of the one-way flow channel can correspond to the other flow channel opening. According to the scheme, the one-way flow channel is controlled to move through the displacement assembly so that the inlet and / or the outlet of the one-way flow channel can correspond to the other flow channel opening, in some pipeline fluid system designs with variable working conditions, one one-way valve can control the flow states of multiple pipelines, meanwhile, the one-way valve can simplify the pipeline design, and the cost is reduced. The use amount of the same type of equipment is reduced, and the pipeline system risk points are reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of valves, and in particular relates to a one-way valve capable of adjusting flow direction. Background Art

[0002] A one-way valve, also known as a check valve, is a valve that only allows fluid to flow in one direction. It is mainly used to prevent the backflow of fluid in a certain direction, thereby ensuring the normal operation of the equipment or system.

[0003] Existing one-way valves are all single-flow one-way valves. For example, Chinese patent publication number CN117570228A discloses a pressure measuring one-way valve, which includes a housing, a valve seat, a valve core and a valve sleeve; the two ends of the housing respectively have an oil inlet and an oil outlet, and the interior of the housing has a mounting hole connected to the oil inlet and the oil outlet; the valve seat, the valve core and the valve sleeve are all arranged in the mounting hole; one end face of the valve core can have a distance from the valve seat to form a liquid channel, and the valve core can fit tightly with the valve seat to close the liquid channel.

[0004] In actual production activities, the applicant found that in some work scenarios, there are different pipelines, and some pipelines need to be used alternately or need to be diverted, and the one-way valve can only realize the flow direction control of a single pipeline, which results in a waste of a lot of resources in the design and layout of the pipeline. Utility Model Content

[0005] The purpose of the present utility model is to provide a one-way valve with adjustable flow direction to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, a technical solution adopted by the present invention is: a one-way valve with adjustable flow direction, including a shell, a valve seat and a valve core arranged in the shell, at least one one-way flow channel is provided on the valve core, at least three flow channel openings are provided on the shell, and a shift assembly is provided on the shell, and the shift assembly can at least control the movement of one one-way flow channel so that the inlet and / or outlet of the one-way flow channel corresponds to another flow channel opening.

[0007] Preferably, the one-way flow channel comprises at least one inlet and / or outlet.

[0008] Preferably, a one-way valve plate and an elastic member are provided in the one-way flow channel, and the elastic member applies a force to the one-way valve plate to close at least one inlet.

[0009] Preferably, the displacement assembly includes a connecting rod connected to the valve core and a driving end fixed to the connecting rod, and the driving end realizes the movement of the one-way flow channel by controlling the rotation of the valve core.

[0010] Preferably, the displacement assembly includes a connecting rod connected to the valve core and a driving end fixed to the connecting rod, and the driving end realizes the movement of the one-way flow channel by controlling the translation of the valve core.

[0011] Preferably, a sheath is provided outside the valve core, and a through hole communicating with all the flow channels is opened on the sheath.

[0012] Preferably, the housing includes a receiving groove, the valve core enters from a notch of the receiving groove, and an end cover is detachably connected to the notch of the receiving groove.

[0013] Beneficial effects of the present invention: This solution controls the movement of the one-way flow channel through a shifting assembly so that the inlet and / or outlet of the one-way flow channel correspond to another flow channel opening. In the design of some pipeline fluid systems with variable working conditions, a single one-way valve can control the flow status of multiple pipelines. At the same time, this one-way valve can simplify pipeline design, reduce the use of the same type of equipment, and reduce the risk points of the pipeline system.

[0014] Among them, the valve core can be effectively protected by providing a sheath;

[0015] The detachable end cover can be provided to facilitate replacement and maintenance of the valve core. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a cross-sectional view of the front side of the first embodiment of the present utility model;

[0017] Figure 2 This utility model Figure 1 Cross-sectional view at AA in the middle;

[0018] Figure 3 It is a top view of the utility model;

[0019] Figure 4 This is a schematic diagram of the arrangement of the flow channel of the valve core and the flow channel opening on the housing in the second embodiment of the present utility model;

[0020] Figure 5 This is a schematic diagram of the arrangement of the flow channel of the valve core and the flow channel opening on the housing in the third embodiment of the present utility model;

[0021] Figure 6 This is a schematic diagram of the arrangement of the flow channel of the valve core and the flow channel opening on the housing in the fourth embodiment of the present utility model;

[0022] In the figure: 1. Housing; 2. Valve core; 3. Elastic member; 4. Single valve plate; 5. Sheath; 6. End cover;

[0023] 7. Connecting rod; 8. Driving end; 9. Runner port; 10. Flow channel; 91. Runner port 1; 92. Runner port 2; 93. Runner port 3; 94. Runner port 4; 95. Runner port 5; 16. Runner port 6;

[0024] 97. Flow channel outlet seven; 98. Flow channel outlet eight; 99. Flow channel outlet nine; 910. Flow channel outlet ten; 911. Flow channel outlet eleven; 912. Flow channel outlet twelve; 913. Flow channel outlet thirteen; 914. Flow channel outlet fourteen. DETAILED DESCRIPTION

[0025] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more precise definition of the protection scope of the present invention.

[0026] Example 1:

[0027] See Figure 1-Figure 3 A one-way valve with adjustable flow direction includes a shell, a valve seat and a valve core 2 arranged in the shell, at least one one-way flow channel 10 is provided on the valve core 2, at least three flow channel openings 9 are provided on the shell, and a shift component is provided on the shell, which can control the movement of at least one one-way flow channel 10 so that the inlet and / or outlet of the one-way flow channel corresponds to another flow channel opening 9.

[0028] The one-way flow channel 10 includes at least one inlet and / or outlet.

[0029] A one-way valve plate and an elastic member 3 are provided in the one-way flow channel 10 , and the elastic member 3 applies a force to the one-way valve plate to close at least one inlet.

[0030] The shift assembly includes a connecting rod 7 connected to the valve core 2 and a driving end 8 fixed to the connecting rod 7. The driving end 8 controls the rotation of the valve core 2 to realize the movement of the one-way flow channel 10.

[0031] Or the shift assembly includes a connecting rod 7 connected to the valve core 2 and a driving end 8 fixed on the connecting rod 7, and the driving end 8 realizes the movement of the one-way flow channel 10 by controlling the translation of the valve core 2, wherein the driving end 8 can be manual, pneumatic, electric and other methods.

[0032] A sheath 5 is provided outside the valve core 2 , and a through hole communicating with all the flow channels 10 is opened on the sheath 5 .

[0033] The housing includes a receiving groove, the valve core 2 enters from the notch of the receiving groove, and an end cover 6 is detachably connected to the notch of the receiving groove.

[0034] Specifically, the driving end 8 controls the rotation of the valve core 2 to realize the movement distance of the one-way circulation channel 10. In this embodiment, there is only one one-way circulation channel 10 in the valve core 2. At the same time, four flow openings 9 distributed in a "cross" shape are provided on the shell 1. The valve core 2 is connected to two of the flow openings 9 in the state shown in the figure. When the driving end 8 drives the valve core 2 to rotate 180°, the two flow openings 9 connected in the natural state of the valve core 2 will circulate in the opposite direction. When the driving end 8 drives the valve core 2 to rotate 90°, the two ends of the flow channel will be connected to the other two flow openings 9.

[0035] Example 2:

[0036] The difference from the first embodiment is that, see Figure 4 Two one-way flow channels 10 are provided in the valve core 2, and six flow openings 9 are provided on the shell 1, namely flow opening 1 91, flow opening 2 92, flow opening 3 93, flow opening 4 94, flow opening 5 95, and flow opening 6 96. In the state shown in the figure, the two ends of one of the flow channels 10 are respectively connected to flow opening 1 91 and flow opening 2 92, and the two ends of the other flow channel 10 are respectively connected to flow opening 3 93 and flow opening 4 94. When the valve core 2 is rotated clockwise, the two ends of one of the flow channels 10 can be connected to flow opening 5 95 and flow opening 6 96, while the other flow channel 10 is disconnected from the flow opening 9.

[0037] Example 3:

[0038] The difference from the first embodiment is that, see Figure 5 A one-way circulation channel 10 is provided in the valve core 2, and three flow openings 9, namely flow opening seven 97, flow opening eight 98 and flow opening nine 99, are provided on the shell 1. In the state shown in the figure, the one-way circulation channel 10 is respectively connected to the flow opening seven 97 and the flow opening eight 98. By rotating with the dotted line in the figure as the center axis, the one-way circulation channel 10 can be respectively connected to the flow opening seven 97 and the flow opening nine 99.

[0039] Example 4:

[0040] The difference from the first embodiment is that, see Figure 6A one-way circulation channel 10 is provided in the valve core 2, and the one-way circulation channel 10 includes an inlet and two outlets. A total of five flow openings 9, namely flow opening ten 910, flow opening eleven 911, flow opening twelve 912, flow opening thirteen 913 and flow opening fourteen 914, are provided on the shell 1. Among them, in the illustrated state, the inlet of the one-way circulation channel 10 is connected to the flow opening ten 910, and the two outlets of the one-way circulation channel 10 are respectively connected to the flow opening eleven 911 and the flow opening twelve 912. By rotating the valve core 2 clockwise, the inlet of the one-way circulation channel 10 can be connected to the flow opening thirteen 913, one of the outlets of the one-way circulation channel 10 is connected to the flow opening fourteen 914, and the other outlet is disconnected from the flow opening 9.

[0041] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structural transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, is also included in the patent protection scope of the present invention.

Claims

1. A one-way valve with adjustable flow direction, comprising a housing, a valve seat and a valve core (2) arranged in the housing, characterized in that: The valve core (2) is provided with at least one one-way flow channel (10), the housing is provided with at least three flow channel openings (9), and the housing is provided with a shift assembly, the shift assembly being capable of controlling the movement of at least one one-way flow channel (10) so that the inlet and / or outlet of the one-way flow channel correspond to another flow channel opening (9).

2. The one-way valve with adjustable flow direction according to claim 1, characterized in that: The one-way flow channel (10) comprises at least one inlet and / or outlet.

3. The one-way valve with adjustable flow direction according to claim 2, characterized in that: A one-way valve plate and an elastic member (3) are provided in the one-way circulation channel (10), and the elastic member (3) applies a force to the one-way valve plate to close at least one inlet.

4. The one-way valve with adjustable flow direction according to claim 3, characterized in that: The shift assembly comprises a connecting rod (7) connected to the valve core (2) and a driving end (8) fixed on the connecting rod (7); the driving end (8) controls the rotation of the valve core (2) to achieve movement of the one-way flow channel (10).

5. The one-way valve with adjustable flow direction according to claim 4, characterized in that: The displacement assembly comprises a connecting rod (7) connected to the valve core (2) and a driving end (8) fixed on the connecting rod (7), wherein the driving end (8) realizes the movement of the one-way circulation channel (10) by controlling the translation of the valve core (2).

6. A one-way valve with adjustable flow direction according to claim 3 or 4, characterized in that: A protective sleeve (5) is provided outside the valve core (2), and a through hole communicating with the circulation channel (10) is provided on the protective sleeve (5).

7. The one-way valve with adjustable flow direction according to claim 1, characterized in that: The housing comprises a receiving groove, the valve core (2) enters from the notch of the receiving groove, and an end cover (6) is detachably connected to the notch of the receiving groove.

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