One-way valve structure convenient to install
By introducing components such as a fixed seat, reinforcing ribs, and limiting sleeve into the one-way valve structure, the problem of sealing failure caused by loose connections in high-pressure or high-frequency vibration environments is solved, achieving stable one-way flow and extending the life of the device.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-15
- Publication Date
- 2026-04-07
AI Technical Summary
Existing check valves are prone to loosening due to vibration, pressure shock, or thermal expansion and contraction in high-pressure or high-frequency vibration environments, leading to sealing failure, media leakage, and reverse leakage, which affects the system's one-way flow function.
An easy-to-install check valve structure was designed, including components such as a fixed seat, reinforcing ribs, L-shaped bracket, limit sleeve, drive screw, and electrically controlled push rod. These components enable the check valve to be securely installed and positioned, preventing loose connections, and the flow field distribution is optimized through a spiral guide groove.
It effectively avoids sealing failure and media leakage caused by vibration, pressure shock or thermal expansion and contraction, ensures one-way flow function, prevents reverse leakage, and extends the service life of the one-way valve.
Smart Images

Figure CN224093901U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to one -way valve device technical field especially, it relates to a one -way valve structure convenient to install. BACKGROUND
[0002] One -way valve is a kind of valve that is opened and closed by medium flow control, its core function is only to allow fluid to flow in a particular direction, automatically prevent reverse flow, the working principle of one -way valve mainly relies on spring force, valve core dead weight or medium pressure difference realizes sealing, it is common in hydraulic system, chemical pipeline and refrigeration equipment etc.
[0003] In prior art, such as China public number CN216618670U, the utility model relates to fluid control valve technical field, discloses a one -way valve, including valve body and elastic plugging piece, wherein, valve body is structured with hollow inner chamber and the liquid inlet and liquid outlet that communicate the hollow inner chamber;Elastic plugging piece, spiral is set in the hollow inner chamber, spiral radial is along the fluid flow direction, one end of the elastic plugging piece is fixed to the inner wall of the hollow inner chamber, free end is located in spiral inner ring;When fluid flows from liquid inlet to liquid outlet, the elastic plugging piece unfolds, one -way valve is on, when fluid flows from liquid outlet to liquid inlet, elastic plugging piece is curled into spiral and the valve body cooperates and is blocked.
[0004] Although the above scheme has the advantages as above, but the disadvantage of the above scheme is that the structure for fastening, installing and positioning one -way valve is lacked, the connecting part of valve and pipeline or equipment is prone to loosen due to vibration, pressure impact or thermal expansion and contraction, causes sealing failure and causes medium leakage, in high pressure or high frequency vibration environment, looseness can exacerbate the friction of valve core and valve seat to cause sealing surface wear, even appear reverse leakage, damage system one -way flow function, device is prone to cause medium flow deviation or external interference to deviate due to lack of fastening positioning structure, cause valve to be unable to normally close, cause reverse flow phenomenon, and possibly cause chain system failure. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing one -way valve structure convenient to install, the utility model designs the structure for fastening, installing and positioning one -way valve, avoids the connecting part of valve and pipeline or equipment to loosen due to vibration, pressure impact or thermal expansion and contraction, avoids sealing failure and causes medium leakage, in high pressure or high frequency vibration environment, avoids looseness exacerbating the friction of valve core and valve seat to cause sealing surface wear, avoids appearing reverse leakage, guarantees system one -way flow function, avoids device to cause medium flow deviation or external interference to deviate due to lack of fastening positioning structure, guarantees valve to be normally closed, avoids causing reverse flow phenomenon, avoids causing chain system failure.
[0006] In order to achieve the above object, the utility model discloses the following technical scheme: a one-way valve structure convenient to install, comprising:
[0007] The mounting pipe is externally provided with a fixed seat, and further comprises:
[0008] The one-way valve body is fixedly installed on the outer surface of the fixed seat, and the inner surface of the one-way valve body is communicated with the inner cavity of the mounting pipe; a plurality of second reinforcing rib plates are fixedly arranged on the outer surface of the fixed seat, and the second reinforcing rib plates are fixedly connected with the outer surface of the mounting pipe; a plurality of L-shaped frames are fixedly arranged on the outer surface of the mounting pipe; a first reinforcing rib plate is fixedly arranged on the inner surface of each L-shaped frame; and a mounting and positioning assembly is arranged on each L-shaped frame.
[0009] Preferably, the mounting and positioning assembly comprises a plurality of limiting sleeves, the limiting sleeves are fixedly arranged on the inner surface of the L-shaped frame, a drive screw is threadedly connected to the inner surface of each limiting sleeve, a rotating disc is fixedly arranged on one end surface of the drive screw, and the rotating disc is rotated to drive the drive screw to move along the inner surface of the limiting sleeve towards the mounting pipe and the external pipeline under the limiting and guiding of the limiting sleeve.
[0010] Preferably, a first connecting seat is rotatably connected to one end surface of each drive screw, a first fastening plate is fixedly arranged on the opposite surface of the first connecting seat, the angle of the first fastening plate relative to the external pipeline is adjusted through the first connecting seat, and the first connecting seat and the first fastening plate are moved towards the mounting pipe and the external pipeline until the first fastening plate contacts and tightly presses the external connecting pipeline, thereby tightly positioning the one-way valve body and the mounting pipe relative to the external pipeline.
[0011] Preferably, the mounting and positioning assembly further comprises a plurality of electric control push rods, and the electric control push rods are fixedly installed on the opposite surface of the L-shaped frame.
[0012] Preferably, a second connecting seat is fixedly arranged on the opposite surface of each electric control push rod, a second fastening plate is fixedly arranged on the opposite surface of the second connecting seat, the electric control push rod is turned on, and the output end of the electric control push rod drives the second connecting seat and the second fastening plate to move towards the mounting pipe and the external pipeline until the second fastening plate contacts and tightly presses the external pipeline, thereby tightly positioning the one-way valve body and the mounting pipe relative to the external pipeline.
[0013] Preferably, the outer surface of the mounting pipe is fixedly provided with two connecting flanges, the outer surface of each of the two connecting flanges is provided with a plurality of positioning screw holes, the inner surface of each of the plurality of positioning screw holes is threadedly connected with a fastening bolt, and the outer surface of each of the plurality of fastening bolts is threadedly connected with a mounting nut, so that the mounting pipe and the external pipeline are stably connected through the plurality of fastening bolts and the mounting nuts.
[0014] Preferably, the outer surface of each of the two connecting flanges is fixedly provided with a first sealing gasket and a second sealing gasket, so that the connection sealing property between the mounting pipe and the external pipeline is improved through the first sealing gasket and the second sealing gasket.
[0015] Preferably, the inner surface of the mounting pipe is provided with a plurality of spiral flow guide grooves, and the plurality of spiral flow guide grooves are uniformly arranged on the inner surface of the mounting pipe, so that the spiral flow guide grooves can reduce turbulence and local resistance in the mounting pipe, optimize flow field distribution, improve system energy efficiency, and prolong the service life of the one-way valve body.
[0016] Compared with the prior art, the utility model has the advantages and positive effects that,
[0017] The utility model discloses a structure for fastening, installing and positioning the one-way valve, guarantees the normal fluid one-way circulation function of the system, avoids the loosening of the connection part of the valve and the pipeline or equipment due to vibration, pressure impact or thermal expansion and contraction, avoids sealing failure and medium leakage, avoids the abrasion of the sealing surface caused by the friction of the valve core and the valve seat due to loosening, avoids reverse leakage, avoids the deviation of the medium flow or the deviation of the device due to the lack of the fastening positioning structure, guarantees the normal closing of the valve, and avoids triggering the chain system failure. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 A three-dimensional structure schematic view (embodiment one) of the one-way valve structure convenient to install is provided for the utility model;
[0019] Figure 2 A three-dimensional structure schematic view (embodiment two) of the one-way valve structure convenient to install is provided for the utility model;
[0020] Figure 3 A side three-dimensional structure schematic view of the one-way valve structure convenient to install is provided for the utility model;
[0021] Figure 4 A top view structure schematic view of the one-way valve structure convenient to install is provided for the utility model;
[0022] Figure 5 A three-dimensional structure schematic view of the one-way valve structure convenient to install is provided for the utility model; Figure 1 An enlarged three-dimensional structure schematic view of A in the one-way valve structure convenient to install is provided for the utility model.
[0023] Legend:
[0024] 1, installation pipe; 2, connecting flange; 3, one-way valve body; 4, fixed seat; 5, L-shaped frame; 6, first reinforcing plate; 7, positioning screw hole; 8, first fastening plate; 9, rotating disc; 10, second reinforcing plate; 11, limiting sleeve; 12, drive screw; 13, first connecting seat; 14, first sealing gasket; 15, spiral flow guide groove; 16, mounting nut; 17, second sealing gasket; 18, fastening bolt; 19, electric control push rod; 20, second connecting seat; 21, second fastening plate. DETAILED DESCRIPTION
[0025] In order to more clearly understand the above objectives, features and advantages of the present application, the present application will be further described below in conjunction with the accompanying drawings and examples. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.
[0026] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, but the present application can also be practiced in other ways different from those described herein, therefore, the present application is not limited to the specific embodiments disclosed in the following description.
[0027] Example 1, as Figures 1 to 5As shown, the utility model provides a kind of one-way valve structure of convenient installation, including installation pipe 1, fixedly arranged with fixed seat 4 on installation pipe 1 outer surface, one-way valve body 3 is fixedly installed on the outer surface of fixed seat 4, one-way valve body 3 inner surface is connected with the inner cavity of installation pipe 1, fixedly arranged with multiple second reinforcing rib plates 10 on the outer surface of fixed seat 4, multiple second reinforcing rib plates 10 are all fixedly connected with the outer surface of installation pipe 1, multiple L-shaped frames 5 are fixedly arranged on the outer surface of installation pipe 1, multiple L-shaped frames 5 inner surface are all fixedly arranged with first reinforcing rib plate 6, multiple L-shaped frames 5 are all provided with installation positioning assembly, installation positioning assembly includes multiple limit sleeves 11, multiple limit sleeves 11 are respectively fixedly arranged in the inner surface of multiple L-shaped frames 5, the inner surface of multiple limit sleeves 11 is all screw-connected with drive screw 12, the end surface of multiple drive screws 12 is all fixedly arranged with rotating disc 9, the end surface of multiple drive screws 12 is all rotationally connected with first connecting seat 13, the opposite surface of multiple first connecting seats 13 is all fixedly arranged with first fastening plate 8, rotating rotating disc 9, under the limit guiding of limit sleeve 11, rotating disc 9 drives multiple drive screws 12 to move along the inner surface of limit sleeve 11 towards installation pipe 1 and external pipeline direction, the angle of first fastening plate 8 relative to external pipeline is adjusted by first connecting seat 13, multiple first connecting seats 13 and multiple first fastening plates 8 move towards installation pipe 1 and external pipeline direction to multiple first fastening plates 8 contact external connecting pipeline and press tightly, the relative external pipeline of one-way valve body 3, installation pipe 1 is fixedly positioned, avoid the connecting part of one-way valve body 3, installation pipe 1 and external pipeline from vibrating, pressure impact or thermal expansion and contraction and produce loosening, guarantee the one-way flow function of one-way valve body 3 and normal closing.
[0028] As shown in the embodiment 2, Figures 1 to 5 The installation positioning assembly further includes multiple electric control push rods 19, which are respectively fixedly installed on the opposite surfaces of the multiple L-shaped frames 5. The opposite surfaces of the multiple electric control push rods 19 are fixedly provided with multiple second connecting seats 20. The opposite surfaces of the multiple second connecting seats 20 are fixedly provided with multiple second fastening plates 21. By opening the multiple electric control push rods 19, the output ends of the multiple electric control push rods 19 drive the multiple second connecting seats 20 and the multiple second fastening plates 21 to move towards the installation pipe 1 and the external pipeline direction until the multiple second fastening plates 21 contact and press tightly against the external pipeline, thereby fixedly positioning the one-way valve body 3 and the installation pipe 1 relative to the external pipeline.
[0029] Further, as shown in the embodiment, Figures 1 to 5 The outer surface of the installation pipe 1 is fixedly provided with two connecting flanges 2. Multiple positioning screw holes 7 are formed in the outer surfaces of the two connecting flanges 2. Multiple fastening bolts 18 are screw-connected to the inner surfaces of the multiple positioning screw holes 7. Multiple installation nuts 16 are screw-connected to the outer surfaces of the multiple fastening bolts 18. The multiple fastening bolts 18 and the installation nuts 16 are used to stably connect the connecting flanges 2 on the installation pipe 1 with the external pipeline.
[0030] Further, as shown in Figures 1 to 5 The outer surface of the two connecting flanges 2 is fixedly provided with a first sealing gasket 14, and the outer surface of the two connecting flanges 2 is fixedly provided with a second sealing gasket 17, so that the connection between the mounting pipe 1 and the external pipeline is improved in sealing.
[0031] Further, as shown in Figures 1 to 5 The inner surface of the mounting pipe 1 is provided with a plurality of spiral flow guide grooves 15, which are uniformly arranged on the inner surface of the mounting pipe 1. The spiral flow guide grooves 15 can reduce the turbulence and local resistance in the mounting pipe 1, optimize the flow field distribution, improve the system energy efficiency, and prolong the service life of the one-way valve body 3.
[0032] Working principle: The one-way valve body 3 limits the flow direction of the fluid in the mounting pipe 1 and the external pipeline, only allows the fluid in the mounting pipe 1 and the external pipeline to flow in a specific direction, and automatically prevents reverse flow. The worker rotates the rotating disc 9, and under the limiting and guiding of the limiting sleeve 11, the rotating disc 9 drives a plurality of drive screws 12 to move along the inner surface of the limiting sleeve 11 towards the mounting pipe 1 and the external pipeline. The angle of the first fastening plate 8 relative to the external pipeline is adjusted through the first connecting seat 13. A plurality of first connecting seats 13 and a plurality of first fastening plates 8 move towards the mounting pipe 1 and the external pipeline until the plurality of first fastening plates 8 contact and tightly press the external connecting pipeline. The one-way valve body 3 and the mounting pipe 1 are tightly positioned relative to the external pipeline to avoid loosening of the connection between the one-way valve body 3, the mounting pipe 1 and the external pipeline due to vibration, pressure impact or thermal expansion and contraction, and to ensure the one-way flow function and normal closing of the one-way valve body 3. A plurality of electric control push rods 19 can also be opened, and the output end of the plurality of electric control push rods 19 drives a plurality of second connecting seats 20 and a plurality of second fastening plates 21 to move towards the mounting pipe 1 and the external pipeline until the plurality of second fastening plates 21 contact and tightly press the external pipeline. The one-way valve body 3 and the mounting pipe 1 are tightly positioned relative to the external pipeline. The mounting pipe 1 and the external pipeline are stably connected through a plurality of fastening bolts 18 and mounting nuts 16. The connection between the mounting pipe 1 and the external pipeline is improved in sealing through the first sealing gasket 14 and the second sealing gasket 17. The spiral flow guide grooves 15 can reduce the turbulence and local resistance in the mounting pipe 1, optimize the flow field distribution, improve the system energy efficiency, and prolong the service life of the one-way valve body 3.
[0033] The above is only a preferred embodiment of the present application, and does not limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present application still belongs to the protection scope of the technical scheme of the present application.
Claims
1. A conveniently installed one-way valve structure, comprising: The mounting tube (1), wherein a fixing seat (4) is fixedly provided on the outer surface of the mounting tube (1), is characterized in that it further includes: A one-way valve body (3) is fixedly installed on the outer surface of the fixed seat (4). The inner surface of the one-way valve body (3) is connected to the inner cavity of the mounting pipe (1). A plurality of second reinforcing ribs (10) are fixedly provided on the outer surface of the fixed seat (4). The plurality of second reinforcing ribs (10) are all fixedly connected to the outer surface of the mounting pipe (1). A plurality of L-shaped brackets (5) are fixedly provided on the outer surface of the mounting pipe (1). A first reinforcing rib (6) is fixedly provided on the inner surface of the plurality of L-shaped brackets (5). A mounting positioning component is provided on the plurality of L-shaped brackets (5).
2. The one-way valve structure with convenient installation according to claim 1, characterized in that: The installation positioning assembly includes multiple limiting sleeves (11), which are fixedly inserted into the inner surfaces of multiple L-shaped frames (5). Each of the multiple limiting sleeves (11) has a drive screw (12) threadedly connected to its inner surface, and a rotating disk (9) is fixedly provided on one end face of each of the multiple drive screws (12).
3. The one-way valve structure with convenient installation according to claim 2, characterized in that: Each of the multiple drive screws (12) is rotatably connected to a first connecting seat (13) on one end face, and each of the multiple first connecting seats (13) is fixedly provided with a first fastening plate (8) on the opposite side.
4. The one-way valve structure with convenient installation according to claim 1, characterized in that: The mounting and positioning assembly also includes a plurality of electrically controlled push rods (19), which are respectively fixedly installed on the opposite sides of the plurality of L-shaped frames (5).
5. The one-way valve structure with convenient installation according to claim 4, characterized in that: Each of the multiple electrically controlled push rods (19) has a second connecting seat (20) fixedly provided on its opposite surface, and each of the multiple second connecting seats (20) has a second fastening plate (21) fixedly provided on its opposite surface.
6. The one-way valve structure with convenient installation according to claim 1, characterized in that: Two connecting flanges (2) are fixedly installed on the outer surface of the mounting pipe (1). Multiple positioning screw holes (7) are opened on the outer surface of the two connecting flanges (2). Fastening bolts (18) are threadedly connected to the inner surface of the multiple positioning screw holes (7). Installing nuts (16) are threadedly connected to the outer surface of the multiple fastening bolts (18).
7. The one-way valve structure with convenient installation according to claim 6, characterized in that: A first sealing gasket (14) is fixedly provided on the outer surface of both connecting flanges (2), and a second sealing gasket (17) is fixedly provided on the outer surface of both connecting flanges (2).
8. The one-way valve structure with convenient installation according to claim 1, characterized in that: The inner surface of the mounting tube (1) is provided with a plurality of spiral guide grooves (15), and the plurality of spiral guide grooves (15) are evenly arranged on the inner surface of the mounting tube (1).
Citation Information
Patent Citations
One-way valve
CN216618670U