Gate valve convenient to use

Abstract

The utility model relates to the related technical field of gate valves, in particular to a gate valve convenient to use, which comprises a pipeline, and a positioning mounting mechanism is arranged on the upper surface of a first connecting disc. According to the gate valve convenient to use, through the arrangement of the positioning and mounting mechanism, when the gate valve positioning and mounting mechanism is mounted, a second connecting disc is arranged on a first connecting disc, a sealing gasket plays a sealing role, and a positioning hole is aligned with the corresponding position of the first connecting disc; during maintenance, the nut and the first telescopic spring are loosened to enable the positioning rod to retreat from the hole position, so that the connecting disc can be conveniently separated for maintenance, and the maintenance efficiency is improved. According to the mechanism, the mounting and dismounting processes are simplified, tool dependence and operation sequence requirements are reduced, and maintenance difficulty and time cost are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of gate valve, especially to a gate valve convenient to use. BACKGROUND

[0002] Gate valve is a common type of valve, mainly used for cutting off or connecting the medium flow in the pipeline, its opening and closing part is the gate, the movement direction of the gate is perpendicular to the fluid direction, when the gate is lifted, the valve is opened, and the fluid can pass through, when the gate is lowered, the valve is closed, and the fluid flow is prevented, the early gate valve structure is relatively simple, mainly composed of valve body, gate, valve stem and hand wheel and other components, with the development of industry, the performance requirements of gate valve are continuously improved, various improved gate valves appear, in the material aspect, from the initial cast iron, cast steel gradually develops to stainless steel, alloy steel and other high-strength, corrosion-resistant materials to adapt to different media and harsh working environment requirements, sealing technology is also continuously improved, from traditional hard sealing to soft sealing, combined sealing and other forms, the reliability and service life of sealing are improved, in the operation mode, in addition to the manual operation gate valve, electric gate valve, pneumatic gate valve and other operation modes appear, remote control and automatic operation are realized, the production efficiency and safety are improved, in addition, with the large-scale and complex of pipeline system, higher requirements are put forward for the size, pressure grade and control accuracy of gate valve, for example, in the petroleum chemical industry, power and other industries, large-diameter, high-pressure gate valves are needed to meet the needs of large-scale production and transportation, in the precision control field, the gate valve is required to have higher adjustment accuracy and response speed, and part of the gate valve still has inconvenience in use, therefore, a gate valve convenient to use is particularly needed.

[0003] However, the existing gate valve is inconvenient to install parts, when the gate disc fails during use, the gate valve needs to be disassembled to replace the gate disc, however, the existing gate valve structure is often relatively complex, multiple tools need to be used during disassembly, and specific operation sequence needs to be followed, otherwise other components may be damaged, which requires higher technical level of maintenance personnel, and also increases the maintenance time and cost. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of gate valve convenient to use to solve the problems that the existing gate valve convenient to use is inconvenient to install parts, when the gate disc fails during use, the gate valve needs to be disassembled to replace the gate disc, however, the existing gate valve structure is often relatively complex, multiple tools need to be used during disassembly, and specific operation sequence needs to be followed, otherwise other components may be damaged, which requires higher technical level of maintenance personnel, and also increases the maintenance time and cost.

[0005] To achieve the above object, the utility model provides following technical scheme: a gate valve convenient to use, including pipeline, one end surface of the pipeline is connected with the clamping ring, the outer wall surface of the pipeline is coated with anticorrosive layer, the upper surface of the pipeline is connected with first connecting disc, the upper surface of first connecting disc is provided with positioning installation mechanism, the surface of positioning installation mechanism is provided with installation fastening mechanism,

[0006] Positioning installation mechanism includes fixed hole, second connecting disc, sealing washer, positioning hole, first telescopic spring, stop block, positioning rod, nut, fixed rod and nut, the surface of first connecting disc is equipped with fixed hole, the upper surface of first connecting disc is connected with second connecting disc, the upper surface of second connecting disc is fixedly connected with sealing washer, the surface of second connecting disc and sealing washer is equipped with positioning hole, the outer side surface of positioning hole is fixedly connected with first telescopic spring, the upper end surface of first telescopic spring is fixedly connected with stop block, the inner end surface of stop block is fixedly connected with positioning rod, the surface of sealing washer is connected with nut, the surface of nut is fixedly connected with fixed rod, the outer wall surface of fixed rod is connected with nut with screw thread.

[0007] Preferably, the clamping ring is arranged at both ends of the pipeline, and the anticorrosive layer is coated on the outer wall surface of the entire pipeline.

[0008] Preferably, the fixed hole is provided in multiple groups on the surface of the first connecting disc, and the outer wall size of the fixed rod is consistent with the inner wall size of the fixed hole.

[0009] Preferably, the stop block and the positioning rod are cooperatively connected through the first telescopic spring to form a telescopic structure, and the outer wall size of the positioning rod is consistent with the inner wall size of the positioning hole.

[0010] Preferably, the installation fastening mechanism includes a connecting rod, a threaded groove, a gate disc base, a gate disc, a threaded rod, an extension hole, a second telescopic spring, a limiting plate, a fastening block, and a clamping hole, the upper surface of the installation fastening mechanism is provided with the connecting rod, the inner wall surface of the connecting rod is provided with the threaded groove, the upper surface of the connecting rod is movably connected with the gate disc base, the upper surface of the gate disc base is connected with the gate disc, the bottom surface of the gate disc base is fixedly connected with the threaded rod, the inside of the threaded rod is provided with the second telescopic spring, the outer end surface of the second telescopic spring is fixedly connected with the limiting plate, the outer end surface of the limiting plate is fixedly connected with the fastening block, the inner side surface of the threaded groove is provided with the clamping hole, and the bottom end of the connecting rod is fixedly connected to the upper end of the sealing washer.

[0011] Preferably, the gate disc base is threadedly connected with the connecting rod through the threaded rod and the threaded groove, and the outer wall size of the threaded rod is consistent with the inner wall size of the threaded groove.

[0012] Preferably, the position of the fastening block corresponds to the position of the card hole, and the outer wall size of the fastening block matches the inner wall size of the card hole.

[0013] Compared with the prior art, the gate valve is convenient to use, and has the beneficial effects that: when the gate valve is installed, the second connecting disc is first placed above the first connecting disc to align the two, at this time, the sealing gasket is located between the second connecting disc and the first connecting disc to play a sealing role and prevent medium leakage, the positioning hole is aligned with the corresponding position on the first connecting disc, the first extension spring outside the positioning hole is in a compressed state, the stop block is pushed to move inward, the positioning rod is inserted into the corresponding hole position on the first connecting disc to realize preliminary positioning, so that the positions of the two connecting discs are accurate and error-free in the subsequent installation process, installation deviation is avoided, then, the nut is placed above the sealing gasket and fastened through cooperation of the fixing rod and the nut, with tightening of the nut, the fixing rod applies pressure downward to further compress the sealing gasket and enhance the sealing effect, and at the same time, the first connecting disc and the second connecting disc are tightly connected together to ensure firm and reliable installation of the gate valve, when the gate valve needs to be repaired, especially when the gate disc needs to be replaced, the maintenance personnel first loosen the nut to release the fastening effect of the fixing rod, then, due to the elastic effect of the first extension spring, the stop block drives the positioning rod to move outward, so that the positioning rod is withdrawn from the hole position of the first connecting disc, at this time, the maintenance personnel can easily separate the second connecting disc from the first connecting disc to repair the inside of the gate valve, the positioning and installation mechanism simplifies the installation and disassembly process of the gate valve to some extent, reduces the dependence on various tools and strict operation sequence requirements, and reduces the technical difficulty and repair time cost of the maintenance personnel. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is an appearance front view structural schematic diagram of the utility model;

[0015] Figure 2 It is an appearance side view structural schematic diagram of the utility model;

[0016] Figure 3 It is a positioning and installation mechanism sectional view structural schematic diagram of the utility model;

[0017] Figure 4 It is an installation fastening mechanism sectional view structural schematic diagram of the utility model;

[0018] Figure 5 It is an appearance front view structural schematic diagram of the utility model Figure 4 It is an enlarged structural schematic diagram of A in the utility model;

[0019] Figure 6 It is an enlarged structural schematic diagram of B in the utility model Figure 4 It is an enlarged structural schematic diagram of B in the utility model.

[0020] In the figure: 1, pipeline; 2, clamping ring; 3, anticorrosive layer; 4, first connecting disc; 5, positioning and mounting mechanism; 501, fixing hole; 502, second connecting disc; 503, sealing washer; 504, positioning hole; 505, first telescopic spring; 506, stop block; 507, positioning rod; 508, nut; 509, fixed rod; 510, nut; 6, mounting and fastening mechanism; 601, connecting rod; 602, threaded groove; 603, gate disc base; 604, gate disc; 605, threaded rod; 606, telescopic hole; 607, second telescopic spring; 608, limiting plate; 609, fastening block; 610, clamping hole. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Please refer to Figures 1-6 The utility model provides a kind of technical scheme: a gate valve convenient to use, including pipeline 1, the surface of one end of pipeline 1 is fixedly connected with clamping ring 2, the outer wall surface of pipeline 1 is coated with anticorrosive layer 3, the upper surface of pipeline 1 is fixedly connected with first connecting disc 4, the upper surface of first connecting disc 4 is provided with positioning and mounting mechanism 5, the surface of positioning and mounting mechanism 5 is provided with mounting and fastening mechanism 6;

[0023] The positioning and mounting mechanism 5 comprises a fixed hole 501, a second connecting disc 502, a sealing washer 503, a positioning hole 504, a first telescopic spring 505, a stop block 506, a positioning rod 507, a nut 508, a fixed rod 509 and a nut 510, the surface of the first connecting disc 4 is provided with the fixed hole 501, the upper surface of the first connecting disc 4 is connected with the second connecting disc 502, the upper surface of the second connecting disc 502 is fixedly connected with the sealing washer 503, the surfaces of the second connecting disc 502 and the sealing washer 503 are both provided with the positioning hole 504, the outer side surface of the positioning hole 504 is fixedly connected with the first telescopic spring 505, the upper end surface of the first telescopic spring 505 is fixedly connected with the stop block 506, the inner end surface of the stop block 506 is fixedly connected with the positioning rod 507, the surface of the sealing washer 503 is connected with the nut 508, the surface of the nut 508 is fixedly connected with the fixed rod 509, the outer wall surface of the fixed rod 509 is threadedly connected with the nut 510, through the setting of the positioning and mounting mechanism 5, when the gate valve is installed, first, the second connecting disc 502 is placed above the first connecting disc 4, so that the two are aligned, at this time, the sealing washer 503 is located between the second connecting disc 502 and the first connecting disc 4, plays a sealing role, prevents medium leakage, the positioning hole 504 is aligned with the corresponding position on the first connecting disc 4, the first telescopic spring 505 outside the positioning hole 504 is in a compressed state, pushes the stop block 506 to move inward, so that the positioning rod 507 is inserted into the corresponding hole position on the first connecting disc 4, realizes preliminary positioning, which can ensure that the positions of the two connecting discs are accurate and error-free in the subsequent installation process, avoids installation deviation, then, the nut 508 is placed above the sealing washer 503, and is fastened through the cooperation of the fixed rod 509 and the nut 510, as the nut 510 is tightened, the fixed rod 509 applies pressure downward, further compresses the sealing washer 503, enhances the sealing effect, at the same time, also tightly connects the first connecting disc 4 and the second connecting disc 502 together, ensures that the gate valve is installed firmly and reliably, when the gate valve needs to be repaired, especially when the gate disc is replaced, the maintenance personnel first loosen the nut 510, release the fastening effect of the fixed rod 509, then, due to the elastic effect of the first telescopic spring 505, the stop block 506 drives the positioning rod 507 to move outward, so that the positioning rod 507 is withdrawn from the hole position of the first connecting disc 4, at this time, the maintenance personnel can relatively easily separate the second connecting disc 502 from the first connecting disc 4, so as to perform repair operation on the inside of the gate valve, this positioning and mounting mechanism simplifies the installation and disassembly process of the gate valve to a certain extent, reduces the dependence on various tools and strict operation sequence requirements, reduces the technical difficulty and repair time cost of the maintenance personnel.

[0024] Further, the clamping ring 2 is arranged at both ends of the pipeline 1, and the anticorrosive layer 3 is coated on the outer wall surface of the entire pipeline 1. Through the arrangement of the clamping ring 2 and the anticorrosive layer 3, the clamping ring 2 arranged at both ends can be conveniently connected with other pipe bodies or equipment, improving the stability and sealing performance of the connection. The clamping ring 2 can be quickly positioned and fixed, reducing the installation time and difficulty. The anticorrosive layer 3 is coated on the outer wall surface of the entire pipeline 1, which can effectively prevent the pipeline 1 from being corroded in various harsh environments, prolong the service life of the pipeline 1, and ensure the stable performance of the pipeline 1 and reduce the maintenance cost, whether in a humid, acidic or alkaline corrosive environment, or in an open-air environment susceptible to external factors.

[0025] Further, a plurality of fixed holes 501 are arranged on the surface of the first connecting disc 4, and the outer wall size of the fixed rod 509 is consistent with the inner wall size of the fixed hole 501. Through the arrangement of the fixed hole 501 and the fixed rod 509, the fixed hole 501 makes the connection more firm and reliable. The plurality of fixed holes 501 are uniformly distributed and can withstand greater pressure and tension, preventing the connection part from loosening or leaking during use. The outer wall size of the fixed rod 509 is consistent with the inner wall size of the fixed hole 501, ensuring that the fixed rod 509 can be tightly inserted into the fixed hole 501, achieving precise positioning and firm connection. This close fit can reduce installation errors, improve installation accuracy, and also enhance the stability of the connection, preventing loosening due to vibration or external forces during use.

[0026] Further, the stop block 506 and the positioning rod 507 form a telescopic structure through the first telescopic spring 505. The outer wall size of the positioning rod 507 is consistent with the inner wall size of the positioning hole 504. Through the arrangement of the positioning hole 504 and the positioning rod 507, the positioning rod 507 can be automatically inserted into the positioning hole 504 during installation, achieving quick positioning. The elastic action of the first telescopic spring 505 can ensure that the positioning rod 507 maintains a certain pressure after being inserted into the positioning hole 504, preventing displacement during installation and improving installation accuracy and efficiency. The outer wall size of the positioning rod 507 is consistent with the inner wall size of the positioning hole 504, ensuring the accuracy and stability of positioning. When the positioning rod 507 is inserted into the positioning hole 504, the close fit between the two can prevent the second connecting disc 502 from rotating or shifting during installation, ensuring the accuracy of the installation position. At the same time, this close fit can also enhance the sealing performance of the connection, preventing medium leakage.

[0027] Further, the installation fastening mechanism 6 comprises a connecting rod 601, a threaded groove 602, a gate disc base 603, a gate disc 604, a threaded rod 605, an expansion hole 606, a second expansion spring 607, a limiting plate 608, a fastening block 609 and a clamping hole 610. The upper surface of the installation fastening mechanism 6 is provided with the connecting rod 601. The inner wall surface of the connecting rod 601 is provided with the threaded groove 602. The upper surface of the connecting rod 601 is movably connected with the gate disc base 603. The upper surface of the gate disc base 603 is connected with the gate disc 604. The bottom surface of the gate disc base 603 is fixedly connected with the threaded rod 605. The inside of the threaded rod 605 is provided with the second expansion spring 607. The outer end surface of the second expansion spring 607 is fixedly connected with the limiting plate 608. The outer end surface of the limiting plate 608 is fixedly connected with the fastening block 609. The inner side surface of the threaded groove 602 is provided with the clamping hole 610. The bottom end of the connecting rod 601 is fixedly connected with the upper end of the sealing washer 503. Through the arrangement of the installation fastening mechanism 6, when the gate valve is installed, the threaded rod 605 at the bottom of the gate disc base 603 is aligned with the threaded groove 602 in the inner wall of the connecting rod 601. When the threaded rod 605 is screwed into the threaded groove 602, the second expansion spring 607 in the expansion hole 606 in the threaded rod 605 is in a compressed state, the limiting plate 608 is pushed to move outward, so that the fastening block 609 is in contact with the inner wall of the threaded groove 602. As the threaded rod 605 is continuously screwed in, when the fastening block 609 slides to the position of the clamping hole 610, under the elastic force of the second expansion spring 607, the fastening block 609 pops out and is inserted into the clamping hole 610, thereby realizing the firm connection between the gate disc base 603 and the connecting rod 601, and further stably installing the gate disc 604 on the pipeline.

[0028] Further, the gate disc base 603 is threadedly connected with the connecting rod 601 through the threaded rod 605 and the threaded groove 602. The outer wall size of the threaded rod 605 is consistent with the inner wall size of the threaded groove 602. Through the arrangement of the threaded groove 602 and the threaded rod 605, the threaded connection can provide a larger connecting force, ensuring that the connection between the gate disc base 603 and the connecting rod 601 is tight and reliable. During the working process of the gate valve, the threaded rod 605 can withstand the pressure and impact force of the fluid and is not easy to loosen. The outer wall size of the threaded rod 605 is consistent with the inner wall size of the threaded groove 602, which can ensure the connection precision and avoid shaking and instability caused by excessive gap, thereby improving the overall performance of the gate valve.

[0029] Further, the position of the fastening block 609 corresponds to the position of the clamping hole 610, and the outer wall size of the fastening block 609 matches the inner wall size of the clamping hole 610. Through the arrangement of the fastening block 609 and the clamping hole 610, when the threaded rod 605 is screwed into the threaded groove 602, the fastening block 609 is inserted into the clamping hole 610 under the action of the second extension spring 607, further enhancing the connection stability between the brake disc base 603 and the connecting rod 601, and preventing the connection from loosening due to vibration or external force during use.

[0030] Working principle: first, when the gate valve needs to be installed, first use the clamping ring 2 at both ends of the pipeline 1 to preliminarily connect with other pipe bodies or equipment, the clamping ring 2 is quickly positioned and fixed to ensure the stability and sealing of the connection, reduce the installation time and difficulty, then place the second connecting disc 502 above the first connecting disc 4, align the two, at this time, the sealing washer 503 is located between the two, which plays a sealing role to prevent medium leakage, the positioning hole 504 is aligned with the corresponding position on the first connecting disc 4, the first extension spring 505 outside the positioning hole 504 is in a compressed state, pushing the stop block 506 to move inward, so that the positioning rod 507 is inserted into the corresponding hole position on the first connecting disc 4, realizing preliminary positioning, which can ensure the accurate position of the two connecting discs in the subsequent installation process, avoiding installation deviation, then place the nut 508 above the sealing washer 503, and fasten it through the cooperation of the fixed rod 509 and the nut 510, as the nut 510 is tightened, the fixed rod 509 exerts downward pressure, further compressing the sealing washer 503 and enhancing the sealing effect, at the same time, the first connecting disc 4 and the second connecting disc 502 are tightly connected together, ensuring the firm and reliable installation of the gate valve, for the installation of the gate disc 604, align the threaded rod 605 at the bottom of the gate disc base 603 with the threaded groove 602 on the inner wall of the connecting rod 601, when the threaded rod 605 is screwed into the threaded groove 602, the second extension spring 607 in the extension hole 606 inside the threaded rod 605 is in a compressed state, pushing the limiting plate 608 to move outward, so that the fastening block 609 contacts with the inner wall of the threaded groove 602, as the threaded rod 605 continues to be screwed in, when the fastening block 609 slides to the position of the clamping hole 610, under the elastic force of the second extension spring 607, the fastening block 609 pops out and is inserted into the clamping hole 610, thereby realizing the firm connection of the gate disc base 603 and the connecting rod 601, and further stably installing the gate disc 604 on the pipeline, in the working process of the gate valve, the anticorrosive layer 3 on the outer wall surface of the pipeline 1 can effectively prevent the pipeline from being corroded in various harsh environments, prolong the service life of the pipeline 1, ensure the stable performance of the pipeline 1, and reduce maintenance cost, when the gate valve needs to be repaired, especially when the gate disc needs to be replaced, the maintenance personnel first loosen the nut 510 to release the fastening effect of the fixed rod 509, then due to the elastic effect of the first extension spring 505, the stop block 506 drives the positioning rod 507 to move outward, so that the positioning rod 507 is withdrawn from the hole position of the first connecting disc 4, at this time, the maintenance personnel can relatively easily separate the second connecting disc 502 from the first connecting disc 4, then rotate the gate disc base 603 in the opposite direction to make the fastening block 609 withdraw from the clamping hole 610, so that the gate disc 604 can be easily disassembled, and the internal part of the gate valve is repaired, in summary, through the cooperation of the positioning and installation mechanism 5 and the installation and fastening mechanism 6, the gate valve realizes the functions of convenient installation, firm connection, good sealing and easy maintenance, improves the use convenience and reliability of the gate valve, which completes the use process of the gate valve convenient to use.

[0031] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A gate valve for ease of use comprising a pipe (1), characterised in that: One end surface of the pipeline (1) is fixedly connected with a clamping ring (2), an outer wall surface of the pipeline (1) is coated with a corrosion-proof layer (3), an upper surface of the pipeline (1) is fixedly connected with a first connecting disc (4), an upper surface of the first connecting disc (4) is provided with a positioning mounting mechanism (5), and a surface of the positioning mounting mechanism (5) is provided with a mounting fastening mechanism (6). The positioning mounting mechanism (5) comprises fixing holes (501), a second connecting disc (502), a sealing gasket (503), positioning holes (504), first telescopic springs (505), stop blocks (506), positioning rods (507), nuts (508), fixed rods (509) and nuts (510). A surface of the first connecting disc (4) is provided with the fixing holes (501), an upper surface of the first connecting disc (4) is connected with the second connecting disc (502), an upper surface of the second connecting disc (502) is fixedly connected with the sealing gasket (503), surfaces of the second connecting disc (502) and the sealing gasket (503) are provided with the positioning holes (504), outer side surfaces of the positioning holes (504) are fixedly connected with the first telescopic springs (505), upper end surfaces of the first telescopic springs (505) are fixedly connected with the stop blocks (506), inner end surfaces of the stop blocks (506) are fixedly connected with the positioning rods (507), a surface of the sealing gasket (503) is connected with the nut (508), a surface of the nut (508) is fixedly connected with the fixed rod (509), and an outer wall surface of the fixed rod (509) is threadedly connected with the nut (510).

2. A gate valve for ease of use according to claim 1, wherein: The clamping ring (2) is arranged at both ends of the pipeline (1), and the corrosion-proof layer (3) is coated on the outer wall surface of the entire pipeline (1).

3. A gate valve for ease of use according to claim 1, wherein: A plurality of groups of the fixing holes (501) are arranged on the surface of the first connecting disc (4), and the outer wall size of the fixed rod (509) is consistent with the inner wall size of the fixing hole (501).

4. A gate valve for ease of use according to claim 1, wherein: The stop block (506) and the positioning rod (507) are matched with each other to form a telescopic structure through the first telescopic spring (505), and the outer wall size of the positioning rod (507) is consistent with the inner wall size of the positioning hole (504).

5. A gate valve for ease of use according to claim 1, wherein: The mounting fastening mechanism (6) comprises a connecting rod (601), a threaded groove (602), a brake disc base (603), a brake disc (604), a threaded rod (605), an expansion hole (606), a second expansion spring (607), a limiting plate (608), a fastening block (609) and a clamping hole (610), the upper surface of the mounting fastening mechanism (6) is provided with the connecting rod (601), the inner wall surface of the connecting rod (601) is provided with the threaded groove (602), the upper surface of the connecting rod (601) is movably connected with the brake disc base (603), the upper surface of the brake disc base (603) is connected with the brake disc (604), the bottom surface of the brake disc base (603) is fixedly connected with the threaded rod (605), the inside of the threaded rod (605) is provided with the second expansion spring (607), the outer end surface of the second expansion spring (607) is fixedly connected with the limiting plate (608), the outer end surface of the limiting plate (608) is fixedly connected with the fastening block (609), the inside of the threaded groove (602) is provided with the clamping hole (610), and the bottom end of the connecting rod (601) is fixedly connected with the upper end of the sealing washer (503).

6. A gate valve for ease of use according to claim 5 wherein: The brake disc base (603) is threadedly connected with the connecting rod (601) through the threaded rod (605) and the threaded groove (602), and the outer wall size of the threaded rod (605) is consistent with the inner wall size of the threaded groove (602).

7. A gate valve for ease of use according to claim 5 wherein: The position of the fastening block (609) corresponds to the position of the clamping hole (610), and the outer wall size of the fastening block (609) is consistent with the inner wall size of the clamping hole (610).

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