A quick-install gate valve

Abstract

This utility model discloses a quick-installation gate valve, comprising: a gate valve with connecting pipes fixedly connected to both ends; a pipeline; an installation assembly, the installation assembly including an annular groove 1 at the end of an installation ring 1 away from the connecting pipe, an annular groove 2 at the end of an installation ring 2, a rubber sealing ring snapped between annular groove 1 and annular groove 2, a sleeve 1 slidably connected to the outer wall of the connecting pipe, a sealing gasket 1 on the inner wall of the sleeve 1 near the gate valve end, a sleeve 2 slidably connected to the outer wall of the pipeline, a sealing gasket 2 on the inner wall of the sleeve 2 away from the gate valve end, and a sealing ring on the inner surface of the sleeve 2; and a locking structure. This utility model has the following advantages: it achieves convenient installation of the gate valve, increases the stability of the gate valve after installation between pipelines, reduces the size of the gate valve after installation, simplifies the movement and handling of the gate valve, and simultaneously achieves double-layer sealing of the gate valve inside and outside the pipeline after installation, improving the sealing performance of the gate valve after installation.

Description

Technical Field

[0001] This utility model relates to the field of gate valve technology, specifically a quick-installation gate valve. Background Technology

[0002] Gate valves are a common type of shut-off valve in industrial pipeline systems. Their opening and closing element is a gate, whose movement is perpendicular to the fluid flow direction. Gate valves offer advantages such as low flow resistance, full-open / full-close operation, simple structure, and low susceptibility to water hammer. Therefore, they are widely used in numerous industrial sectors, including petroleum, chemical, water conservancy, and power industries.

[0003] With increasing industrial automation and the growing complexity of pipeline systems, the efficiency of gate valve installation and maintenance has a significant impact on the overall system's operational stability and economy. Traditional gate valve installation typically involves multiple steps, including precise alignment, bolting, and sealing. This process is not only cumbersome but also requires specialized tools and technicians. This installation method has become increasingly inadequate in modern industrial production.

[0004] Currently, there are various improved gate valve installation structures on the market. For example, patent document CN219102154U discloses a quick-installation gate valve, which includes a gate valve with connecting pipes fixedly connected to both sides. A connecting plate is movably connected to one side of the connecting pipe, and a plug pipe is fixedly connected to one side of the connecting plate. A fixing pipe is fixedly connected to the surface of the plug pipe, and a fixing spring is provided at one end of the fixing spring. A moving pipe is provided at the other end of the fixing spring. By setting up the fixing spring, the moving pipe, and the mounting reinforcement blocks, when in use, one end of the pipeline needs to be placed between the two mounting reinforcement blocks. The fixing spring pushes the moving pipe, causing one end of the mounting reinforcement block to move towards the pipeline, thereby clamping and fixing the pipeline between the mounting reinforcement blocks. Finally, one side of the mounting reinforcement block is moved into the interface of the gate valve, thus installing the gate valve and the pipeline together. Therefore, when using this gate valve, it is easy for personnel to install it on the pipeline, and the installation steps are simple and easy for personnel to operate.

[0005] However, existing technical solutions still have the following obvious drawbacks:

[0006] First, while existing quick-install gate valves simplify the installation process, their overall structural design is not compact enough and their size is too large, occupying too much space in practical applications, especially in space-constrained industrial sites such as equipment rooms and areas with dense pipelines, making installation and use extremely inconvenient.

[0007] Second, the existing connection structure lacks an effective sealing design, usually only has a single-layer sealing measure, and the sealing element is located in a single position. Under high pressure or frequent temperature changes, leakage problems are prone to occur, affecting the safety and reliability of the system.

[0008] Third, the existing gate valve connection and fixing methods are not strong enough. They mostly use a single fixing point or elastic buckle design, which are prone to loosening and falling off under the conditions of pipeline system vibration or pressure impact, causing safety hazards.

[0009] Fourth, while existing technologies simplify installation, they lack precise alignment mechanisms, which can easily lead to misalignment during installation, resulting in poor sealing or loose connections and reducing the overall installation quality.

[0010] Fifth, most existing gate valves, while easy to install, are inconvenient to transport and maintain. Once the structure is fixed, they are difficult to adjust or disassemble, increasing the difficulty and cost of subsequent maintenance.

[0011] In view of the shortcomings of the existing technology, there is an urgent need to develop a gate valve installation structure that is compact, easy to install, reliably sealed, securely connected and easy to maintain, so as to meet the needs of modern industrial production for high-efficiency and high-reliability gate valves. Utility Model Content

[0012] The purpose of this invention is to provide a quick-installation gate valve. This quick-installation gate valve features convenient installation, reliable sealing, stable connection, and compact structure.

[0013] The above-mentioned technical objective of this utility model is achieved through the following technical solution:

[0014] A quick-install gate valve, comprising:

[0015] Gate valve, with connecting pipes fixedly connected to both ends of the gate valve, and an installation ring fixedly connected to the end of the connecting pipe away from the gate valve;

[0016] The pipeline is located at both ends of the gate valve, and an installation ring is fixedly connected to the end of the pipeline near the connecting pipe.

[0017] The installation assembly is located between the connecting pipe and the pipeline. The installation assembly includes an annular groove 1 at the end of the installation ring 1 away from the connecting pipe, and an annular groove 2 at the end of the installation ring 2 away from the pipeline. A rubber sealing ring is snapped between the annular groove 1 and the annular groove 2. A sleeve 1 is slidably connected to the outer wall of the connecting pipe. A sealing gasket 1 is provided on the inner wall of the sleeve 1 near the gate valve. A sleeve 2 is slidably connected to the outer wall of the pipeline. A sealing gasket 2 is provided on the inner wall of the sleeve 2 away from the gate valve. A sealing ring is provided on the inner surface of the sleeve 2.

[0018] The locking structure is located on the mounting assembly. The locking structure includes U-shaped clamping plates located at both ends of the outer side of the first sleeve. The U-shaped clamping plates have cavities at both ends inside, and through holes are opened at both ends of the inner wall of the cavity. The outer wall of the second sleeve has a fixing groove 1 at both ends, and the outer wall of the first sleeve has a fixing groove 2 at both ends. A clamping rod is inserted inside the cavity. A pressure plate is fixedly connected to one end of the outer wall of the clamping rod. The pressure plate is slidably connected inside the cavity. A spring is sleeved on the outside of the clamping rod. The spring is fixedly connected between the inner wall of the cavity and the pressure plate.

[0019] The present invention is further configured such that: a limiting groove is provided at both ends of the outer wall of the pipe, and a limiting slider is fixedly connected to both ends of the inner wall of the second sleeve, and the limiting slider is slidably connected in the limiting groove.

[0020] The present invention is further configured such that: the inner surface of the first sleeve is provided with an internal thread, and the outer wall of the second sleeve is provided with an external thread, the internal thread and the external thread are used in conjunction, and the first sleeve is threadedly connected to the second sleeve.

[0021] The present invention is further configured such that a pull ring is fixedly connected to the end of the lever away from the U-shaped card plate.

[0022] The present invention is further configured such that: a rubber sealing ring is disposed between annular groove one and annular groove two to form a first layer of seal, and sealing gasket one, sealing gasket two and sealing ring together form a second layer of seal.

[0023] The present invention is further configured such that the spring force is directed towards the outer end of the lever, so that the lever is automatically locked in the fixing groove one and fixing groove two after the pull ring is released.

[0024] The present invention is further configured such that the inner shape of the U-shaped card plate matches the outer surface shape of the sleeve, ensuring that the card plate is firmly attached to the sleeve.

[0025] The present invention is further configured such that the length of the limiting groove is greater than the length of the limiting slider, so that the sleeve can slide axially within a limited range on the pipeline.

[0026] The present invention is further configured such that both the internal and external threads are multi-start threads, thereby reducing the rotation angle required during rotational installation.

[0027] In summary, this utility model has the following beneficial effects:

[0028] Convenient Installation: The pre-installation positioning design of the annular groove and rubber sealing ring, combined with the sliding installation method of sleeve one and sleeve two, greatly simplifies the gate valve installation process. No complex alignment operations or specialized tools are required; a single person can quickly complete the installation, improving work efficiency. The threaded connection design of sleeve one and sleeve two allows for simple rotation to tighten the valve during installation, and the multi-threaded design reduces the rotation angle, further enhancing installation convenience.

[0029] Double-layer sealing effect: This utility model innovatively adopts a double-layer sealing structure. The first layer forms an internal radial seal between the annular groove one and the annular groove two through a rubber sealing ring. The second layer forms an external axial seal through the combined action of the sealing gasket one on the inner wall of the first sleeve, the sealing gasket two on the inner wall of the second sleeve, and the sealing gasket ring on the inner surface of the second sleeve. This significantly improves the sealing reliability and effectively prevents leakage problems under high pressure or temperature change conditions.

[0030] Robust locking effect: The locking structure, consisting of a U-shaped locking plate, locking rod, and spring, achieves a secure lock after connection, preventing loosening and detachment in vibrating environments. The locking rod automatically locks into the fixing groove under the action of the spring, forming a reliable mechanical lock and significantly improving the connection's resistance to vibration and loosening. Simultaneously, the design of the U-shaped locking plate matching the outer surface shape of the sleeve ensures a secure fit between the plate and the sleeve, further enhancing the locking effect.

[0031] Precise guiding effect: The design of the limiting groove and limiting slider provides precise guiding and limiting functions for sleeve 2, preventing deviation during installation and ensuring installation quality. The design of the limiting groove being longer than the limiting slider allows sleeve 2 to slide axially within a limited range on the pipeline, increasing installation flexibility while ensuring installation accuracy.

[0032] Structural optimization effect: The overall structure of this utility model is compact, and the total volume of the gate valve after installation is small, reducing the space occupied, making it particularly suitable for use in space-constrained locations. At the same time, the pull-ring operation design makes disassembly and maintenance simple and intuitive, facilitating quick disassembly or reinstallation when needed, greatly improving maintenance convenience and equipment utilization. Attached Figure Description

[0033] Figure 1 This is a perspective view of a quick-installation gate valve according to this utility model.

[0034] Figure 2 This utility model relates to an explosion-proof view of a quick-installation gate valve. Figure 1 .

[0035] Figure 3 This utility model relates to an explosion-proof view of a quick-installation gate valve. Figure 2 .

[0036] Figure 4 This utility model relates to an explosion-proof view of a quick-installation gate valve. Figure 3 .

[0037] Figure 5 This is a cross-sectional view of a quick-installation gate valve according to this utility model. Figure 1 .

[0038] Figure 6 This is a cross-sectional view of a quick-installation gate valve according to this utility model. Figure 2 .

[0039] Figure 7 This utility model relates to a quick-installation gate valve. Figure 5 Enlarged structural diagram at point A in the middle.

[0040] Reference numerals: 1. Gate valve; 2. Connecting pipe; 21. Mounting ring one; 3. Pipeline; 31. Mounting ring two; 4. Mounting assembly; 41. Annular groove one; 42. Annular groove two; 43. Rubber sealing ring; 44. Sleeve one; 45. Sealing gasket one; 46. Internal thread; 47. Sleeve two; 48. Limiting groove; 49. Limiting slider; 410. External thread; 411. Sealing gasket two; 412. Sealing ring; 5. Locking structure; 51. U-shaped clamping plate; 52. Cavity; 53. Fixing groove one; 54. Fixing groove two; 55. Clamping rod; 56. Pull ring; 57. Pressure plate; 58. Spring. Detailed Implementation

[0041] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0042] like Figures 1 to 7 As shown, this embodiment proposes a quick-installation gate valve, including a gate valve 1, with connecting pipes 2 fixedly connected to both ends of the gate valve 1. An installation ring 21 is fixedly connected to the end of the connecting pipe 2 away from the gate valve 1. Pipes 3 are provided at both ends of the gate valve 1, with an installation ring 31 fixedly connected to the end of the pipe 3 near the connecting pipe 2. The gate valve 1 is a type of valve, mainly installed between pipes 3, and used to open and close the pipes 3.

[0043] An installation assembly 4 is provided between the connecting pipe 2 and the pipe 3. The installation assembly 4 includes an annular groove 41 at the end of the mounting ring 21 away from the connecting pipe 2, and an annular groove 42 at the end of the mounting ring 31 away from the pipe 3. A rubber sealing ring 43 is engaged between the annular groove 41 and the annular groove 42. A preliminary seal is achieved by engaging the rubber sealing ring 43 between the mounting ring 21 and the mounting ring 31. A sleeve 44 is slidably connected to the outer wall of the connecting pipe 2. The inner sleeve 44 is located near the gate valve 1. A sealing gasket 45 is provided on the wall, and an internal thread 46 is provided on the inner surface of the sleeve 44. A second sleeve 47 is slidably connected to the outer wall of the pipe 3. Limiting grooves 48 are provided at both ends of the outer wall of the pipe 3. Limiting sliders 49 are fixedly connected to both ends of the inner wall of the second sleeve 47. The limiting sliders 49 are slidably connected in the limiting grooves 48. The second sleeve 47 slides in the limiting grooves 48 by means of the limiting sliders 49, which facilitates the limiting and guiding of the movement of the second sleeve 47. The outer wall of the second sleeve 47 is provided with an external thread 410 and an internal thread 420. The internal thread 46 and the external thread 410 are used together. Sleeve 1 44 is threaded onto sleeve 2 47. When sleeve 1 44 contacts sleeve 2 47, rotating sleeve 1 44, with the cooperation of the internal thread 46 and the external thread 410, causes sleeve 1 44 to be threaded onto the outer surface of sleeve 2 47, thereby connecting mounting ring 1 21 and mounting ring 2 31 together, achieving convenient installation of gate valve 1. A sealing washer 2 411 is provided on the inner wall of sleeve 2 47 at the end away from gate valve 1, and a sealing gasket 2 411 is provided on the inner surface of sleeve 2 47. The sealing ring 412, by moving sleeve one 44 and sleeve two 47, causes the sealing gasket one 45 at one end of the inner wall of sleeve one 44 to fit against the outer wall of mounting ring one 21, and the sealing gasket two 411 at one end of the inner wall of sleeve two 47 to fit against the outer wall of mounting ring two 31. At the same time, the sealing gasket 412 on the inner surface of sleeve two 47 provides a secondary seal for the outer surfaces of mounting ring one 21 and mounting ring two 31, thus achieving a double-layer seal inside and outside the gate valve 1 after installation between pipes 3, thereby improving the sealing performance of the gate valve 1 after installation.

[0044] The mounting assembly 4 is equipped with a locking structure 5, which includes U-shaped clamping plates 51 located at both ends of the outer side of the first sleeve 44. The U-shaped clamping plates 51 have cavities 52 at both ends inside, and through holes are formed at both ends of the inner wall of each cavity 52. ​​The outer wall of the second sleeve 47 has a first fixing groove 53 at both ends, and the outer wall of the first sleeve 44 has a second fixing groove 54 at both ends. A locking rod 55 is inserted inside the cavity 52. ​​The locking rod 55, the first fixing groove 53, and the second fixing groove 54 work together. A pull ring 56 is fixedly connected to the end of the locking rod 55 away from the U-shaped clamping plate 51, and a pressure plate 57 is fixedly connected to the outer wall of the locking rod 55. The pressure plate 57 is slidably connected inside the cavity 52. ​​A spring 58 is sleeved on the outer side of the locking rod 55. The valve is fixedly connected between the inner wall of cavity 52 and pressure plate 57. By pulling the pull rings 56 at both ends, the locking rod 55 moves and retracts into the cavity 52. ​​At the same time, the pressure plate 57 squeezes the spring 58. Then, the two U-shaped locking plates 51 are sequentially locked to the outer ends of the installed sleeve 1 44. After releasing the pull rings 56, under the elastic action of the spring 58, the locking rods 55 at both ends are locked into the fixing groove 1 53 and fixing groove 2 54 respectively, thereby further locking and fixing sleeve 1 44 and sleeve 2 47, preventing sleeve 2 47 from rotating accidentally during use, strengthening the connection strength between gate valve 1 and connecting pipe 2 and pipeline 3, and thus increasing the stability of gate valve 1 after installation in pipeline 3.

[0045] In practical implementation, this utility model is used by first installing two sets of rubber sealing rings 43 into the annular grooves 41 of the mounting rings 21 at both ends of the connecting pipes 2. Then, the gate valve 1 is moved between the pipes 3 at both ends, and the rubber sealing rings 43 pre-fitted at both ends of the gate valve 1 are moved so that they are all moved into the annular grooves 42 of the mounting rings 31 at the ends of the pipes 3. This allows the rubber sealing rings 43 to engage with the mounting rings 21 and 31 for initial sealing. Afterwards, the sleeve 47 is moved to the mounting ring 31. At this point, the sleeve 47... 7. The limiting slider 49 slides within the limiting groove 48, facilitating the limiting and guiding of the movement of sleeve 2 47. Then, sleeve 1 44 is moved. When sleeve 1 44 contacts sleeve 2 47, sleeve 1 44 is rotated. With the cooperation of the internal thread 46 and the external thread 410, sleeve 1 44 is threadedly connected to the outer surface of sleeve 2 47, thereby connecting mounting ring 1 21 and mounting ring 2 31 together. At this time, the sealing gasket 1 45 at one end of the inner wall of sleeve 1 44 is attached to the outer wall of mounting ring 1 21, and the sealing gasket at one end of the inner wall of sleeve 2 47... The second sleeve 411 is attached to the outer wall of the second mounting ring 31. At the same time, the sealing gasket ring 412 on the inner surface of the second sleeve 47 provides a secondary seal for the outer surfaces of the first mounting ring 21 and the second mounting ring 31. Then, pull the pull rings 56 at both ends, causing the locking rods 55 to move and retract into the cavity 52. ​​This will cause the pressure plate 57 to squeeze the spring 58. Then, the two U-shaped locking plates 51 are sequentially locked onto the outer ends of the installed first sleeve 44. After that, release the pull rings 56. Under the elastic action of the spring 58, the locking rods 55 at both ends are locked onto the fixing groove 53 and the fixing groove 54 respectively. Within the groove 2 54, the sleeve 1 44 and sleeve 2 47 are further locked and fixed to prevent sleeve 2 47 from rotating accidentally during use. This strengthens the connection between the gate valve 1 and the connecting pipe 2 and the pipeline 3, thereby increasing the stability of the gate valve 1 after installation in the pipeline 3. This achieves convenient installation of the gate valve 1, and the gate valve 1 is smaller in size after installation, reducing the space occupied and making it easier to move and transport. At the same time, it achieves double-layer sealing inside and outside the gate valve 1 after installation in the pipeline 3, thereby improving the sealing performance of the gate valve 1 after installation and making it more practical.

[0046] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

[0047] This application conducts experimental evaluation of the technical performance of the quick-acting gate valve through the following experiments.

[0048] 1. A comparative test method was adopted to directly compare the gate valve of this utility model with traditional flange-connected gate valves and common quick-install gate valves on the market, and data were obtained through standardized experimental procedures.

[0049] 2. Technical Effect Comparison Table

[0050]

[0051] 3. Verification Method Description

[0052] Ease of installation verification: Select 10 operators with different skill levels; install three different types of gate valves three times each; record the average time required to complete the installation; evaluate the complexity of the installation process and the tool requirements.

[0053] Sealing performance verification: Gradually increase the test pressure using a water pressure testing device; record the pressure value when the first leak occurs; repeat the test under alternating temperature conditions (-20℃ to 80℃); observe the wear of the seal.

[0054] Vibration stability test: Place the installed gate valve on a standard vibration table; set the vibration parameters according to JB / T 9092 standard; record the duration of vibration when obvious loosening occurs; use a torque detector to measure the change in connection tightness before and after vibration.

[0055] Space occupancy assessment: Measure the total volume occupied by the three gate valves in the piping system; calculate the space utilization rate per unit pipe diameter; test the installation adaptability in confined spaces.

[0056] 4. Verification Conclusion

[0057] Experimental results show that this invention is significantly superior to existing technologies, mainly in the following aspects: installation time reduced by 80%, sealing pressure resistance increased by 150%, vibration stability increased by 800%, and space occupancy reduced by 60%. Through the pre-installation positioning of the annular groove and rubber sealing ring, the double-layer sealing structure, the U-shaped clamping plate and spring locking mechanism, and the compact overall layout, this invention is particularly suitable for use in space-constrained, high-pressure, and high-vibration environments, significantly improving the installation efficiency, operational reliability, and maintenance convenience of industrial pipeline systems.

Claims

1. A quick-installation gate valve, characterized in that, include: A gate valve (1) is fixedly connected to both ends of the gate valve (1) by a connecting pipe (2), and an installation ring (21) is fixedly connected to one end of the connecting pipe (2) away from the gate valve (1). Pipeline (3), the pipeline (3) is located at both ends of the gate valve (1), and an installation ring (31) is fixedly connected to one end of the pipeline (3) near the connecting pipe (2); The installation component (4) is located between the connecting pipe (2) and the pipe (3). The installation component (4) includes an annular groove (41) at the end of the installation ring (21) away from the connecting pipe (2), and an annular groove (42) at the end of the installation ring (31) away from the pipe (3). A rubber sealing ring (43) is snapped between the annular groove (41) and the annular groove (42). A sleeve (44) is slidably connected to the outer wall of the connecting pipe (2). A sealing gasket (45) is provided on the inner wall of the sleeve (44) near the gate valve (1). A sleeve (47) is slidably connected to the outer wall of the pipe (3). A sealing gasket (411) is provided on the inner wall of the sleeve (47) away from the gate valve (1). A sealing ring (412) is provided on the inner surface of the sleeve (47). A locking structure (5) is provided on the mounting assembly (4). The locking structure (5) includes a U-shaped clamping plate (51) provided at both ends of the outer side of the first sleeve (44). The U-shaped clamping plate (51) has cavities (52) at both ends inside. The inner walls of the cavities (52) have through holes at both ends. The outer walls of the second sleeve (47) have fixing grooves (53) at both ends. The outer walls of the first sleeve (44) have fixing grooves (54) at both ends. A clamping rod (55) is inserted inside the cavity (52). A pressure plate (57) is fixedly connected to one end of the outer wall of the clamping rod (55). The pressure plate (57) is slidably connected inside the cavity (52). A spring (58) is sleeved on the outside of the clamping rod (55). The spring (58) is fixedly connected between the inner wall of the cavity (52) and the pressure plate (57).

2. A quick packing gate valve according to claim 1, characterized in that The outer wall of the pipe (3) has a limiting groove (48) at both ends, and the inner wall of the sleeve (47) is fixedly connected to a limiting slider (49) at both ends. The limiting slider (49) is slidably connected in the limiting groove (48).

3. A quick packing gate valve according to claim 1, wherein The inner surface of the first sleeve (44) is provided with an internal thread (46), and the outer wall of the second sleeve (47) is provided with an external thread (410). The internal thread (46) and the external thread (410) are used in conjunction, and the first sleeve (44) is threadedly connected to the second sleeve (47).

4. A quick packing gate valve according to claim 1, wherein A pull ring (56) is fixedly connected to the end of the lever (55) away from the U-shaped plate (51).

5. A quick packing gate valve as claimed in claim 1, wherein, The rubber sealing ring (43) is disposed between the annular groove one (41) and the annular groove two (42) to form a first layer of seal, and the sealing gasket one (45), the sealing gasket two (411) and the sealing gasket ring (412) together form a second layer of seal.

6. A quick packing gate valve as claimed in claim 1, wherein, The spring (58) has its elastic force directed towards the outer end of the lever (55), so that the lever (55) automatically locks itself in the first fixing groove (53) and the second fixing groove (54) after the release ring (56).

7. A quick packing gate valve as claimed in claim 1, wherein, The inner shape of the U-shaped clamp (51) matches the outer surface shape of the sleeve (44), ensuring that the clamp is firmly attached to the sleeve (44).

8. A quick packing gate valve as claimed in claim 2, wherein, The length of the limiting groove (48) is greater than the length of the limiting slider (49), so that the second sleeve (47) can slide axially within a limited range on the pipe (3).

9. A quick packing gate valve as claimed in claim 3, wherein, Both the internal thread (46) and the external thread (410) are multi-start threads, which reduces the rotation angle required for rotational installation.

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