High-performance quick opening and closing spring type safety valve

Abstract

The invention discloses a high-performance quick opening and closing spring type safety valve which comprises a valve body, a valve cover, a valve rod, a flow channel, a valve element, a main spring, a top cover, a top cavity, a piston, a force application handle and a contact protrusion and further comprises a valve outer fixing seat, a sampling hole, a detachable regulation and control assembly and a detachable temporary storage assembly. The valve has the following advantages and effects that the valve body is matched with the valve outer fixing base to form the sampling hole, the detachable regulation and control assembly and the valve body are detachably matched and can be detached and maintained regularly, and the cutting-off sealing performance of the sampling hole in the normal state is guaranteed; the detachable temporary storage assembly is also detachably matched with the valve body and can be detached to collect the fluid output from the sampling hole; the detachable regulation and control assembly and the detachable regulation and control assembly are convenient to disassemble and assemble, so that the time consumed by maintenance is shortened.

Description

Technical Field

[0001] The invention relates to the technical field of valves, and in particular to a high-performance quick-opening and closing spring-type safety valve. Background Art

[0002] High-performance quick-opening and closing spring-loaded safety valve is a safety device designed for pressure vessels and piping systems. It is designed to quickly release excessive pressure to protect equipment and personnel. This type of safety valve uses the action of a spring to achieve the opening and closing function, and has the characteristics of fast response speed, good sealing performance, and high durability.

[0003] Existing high-performance quick-opening and closing spring-loaded safety valves generally do not have a sampling function, and sampling is performed when the machine is shut down. If a sampling hole and a control component that controls the internal connection or cutoff of the sampling hole can be added to the high-performance quick-opening and closing spring-loaded safety valve, it will allow operators to obtain samples of the system's internal medium in real time or regularly for analysis; timely discover changes in the fluid flow process; and obtain samples without shutting down the machine, reducing shutdown and maintenance costs.

[0004] Therefore, adding sampling holes and control components can provide higher operational flexibility and safety, monitor and adjust process parameters in real time, and reduce the risk of failure.

[0005] In addition to adding sampling holes and regulating components, it is also necessary to optimize the structure of the regulating components to make them disassembled and easy to assemble.

[0006] ① The manifestation of disassembly is: it is convenient for subsequent disassembly and maintenance, and ensures the cut-off sealing of the sampling hole under normal conditions.

[0007] ② The convenience of assembly is reflected in: convenient assembly and adjustment of components, improved efficiency and shortened maintenance time.

[0008] Furthermore, it is also necessary to add a detachable temporary storage component that can receive the fluid output from the sampling hole; the detachable temporary storage component also needs to be detachable and easy to assemble. Summary of the invention

[0009] The object of the present invention is to provide a high-performance quick-opening and closing spring-type safety valve to solve the problems raised in the background technology.

[0010] The above technical objectives of the present invention are achieved through the following technical solutions: A high-performance quick-opening and closing spring-type safety valve, comprising a valve body, a valve cover fixedly arranged on the upper end of the valve body, a valve stem passing through the valve cover, the lower end of the valve stem extending into the valve body, a flow channel provided inside the valve body, a valve core capable of cutting off the flow channel fixedly arranged on the lower end of the valve stem; a main spring for applying an elastic force for the valve stem to move downward is arranged inside the valve cover, a top cover fixedly arranged on the upper end of the valve cover, a top cavity provided inside the top cover, the upper end of the valve stem extending upward into the top cavity and provided with a piston, the left end of the piston extending out of the top cover, a force-applying handle rotatably arranged on the side of the top cover, a contact protrusion fixedly arranged on the upper end of the force-applying handle, and the contact protrusion can lift the piston as the force-applying handle is rotated; The valve body is fixedly provided with an external valve fixing seat, and the valve body and the external valve fixing seat cooperate to open a sampling hole that passes through from top to bottom, and the upper end of the sampling hole is connected to the flow channel; It also includes a detachable regulating component and a detachable temporary storage component that are detachable from the valve body; after the detachable regulating component is fixed on the valve body, it can control the connection or cutoff inside the sampling hole based on external operation; after the detachable temporary storage component is fixed on the valve body, it can receive the fluid output from the sampling hole.

[0011] A further configuration is: after the detachable regulating component is fixed on the valve body, it is connected to the right end of the fixed seat outside the valve; after the detachable temporary storage component is fixed on the valve body, it is connected to the lower end of the fixed seat outside the valve; the detachable regulating component can be removed downwards; the detachable temporary storage component can be removed to the right; and the detachable regulating component or the detachable temporary storage component will not be obstructed by the other during the removal process.

[0012] Further configuration is: the detachable control component includes a control inner shell, the control inner shell and the valve outer fixed seat cooperate to open a control hole arranged from left to right, the right end of the control hole is closed, and the left end is connected to the sampling hole; a sliding shaft that can slide in the left and right directions is arranged in the control hole, and a truncation sealing block is fixedly arranged on the left end of the sliding shaft, a sealing recess is opened inside the valve outer fixed seat, the sealing recess is connected to the sampling hole and is located on the left side of the control hole, and the truncation sealing block can be pushed into the sealing recess to complete the truncation of the sampling hole; A first boosting spring is compressed and arranged in the regulating hole to apply a boosting force to the sealing recess for the cut-off sealing block.

[0013] Further configuration is: a propulsion block is fixedly arranged at the right end of the sliding shaft, the propulsion block matches the regulating hole, and the first boosting spring is compressed between the propulsion block and the right wall of the regulating hole; The regulating hole is provided with a fixed block fixed to the regulating inner shell, and the fixed block is always located between the cut-off sealing block and the pushing block; there is a spacing area between the lower end of the sliding shaft and the lower wall of the regulating hole, and the fixed block is located in the spacing area, and the fixed block matches the spacing area; the fixed block can collide with the pushing block to prevent the cut-off sealing block from continuously moving leftward; The fixed blocking block and the propulsion block are both provided with recessed openings on the side facing each other, and cooperate to form a propulsion inner cavity; the front end surface of the regulating inner shell is fixedly provided with a second air connecting circular tube vertically extending into the interior of the regulating inner shell, and the interior of the regulating inner shell is provided with a second air connecting channel connecting the second air connecting circular tube with the propulsion inner cavity; air can be supplied to the propulsion inner cavity through the second air connecting circular tube.

[0014] A further configuration is that the detachable temporary storage component includes a temporary storage inner shell, the temporary storage inner shell is provided with a temporary storage inner cavity and an introduction hole connected to the temporary storage inner cavity, and when the temporary storage inner shell is fixed on the valve body, the introduction hole will be connected to the sampling hole.

[0015] Further configuration is: the upper end of the regulating inner shell and the left end of the temporary storage inner shell are both provided with access components, the valve body is provided with two access grooves, the two access grooves are both fixedly provided with access seats, the center of the access seat is provided with a central recessed area, and the access seat is also provided with two side recessed areas respectively located on both sides of the central recessed area; The two access components each include an extension block, an extension inner cavity is provided inside the extension block, two side extension blocks are slidably arranged in the extension inner cavity, the extension block can be extended into the central recessed area, and when the extension block is extended into the central recessed area, the two side extension blocks will respectively extend into the corresponding side recessed areas to achieve the fixation of the extension block and the valve body; The extension inner cavity is provided with a second boosting spring for simultaneously applying a boosting force for the two side extension blocks to move outward.

[0016] Further configuration is: a square push block is fixedly arranged on the inner side of the two side extension blocks, and the two ends of the second boost spring are respectively connected to the two square push blocks; a retraction block is fixedly arranged on the side of the two square push blocks facing away from the central recessed area, and an extension block is fixedly arranged on both side ends of the extension inner cavity, and the two extension blocks are respectively located on the outer side of the corresponding retraction block, and the two extension blocks can respectively collide with the corresponding retraction block to prevent the side extension block from continuously moving outward; The two extension blocks are both provided with recessed openings on one side facing the corresponding retraction block, and cooperate to form a retraction inner cavity.

[0017] A further configuration is that the outer sides of the two side extension blocks are both provided with oblique retreat surfaces.

[0018] Further configuration is: a channel area arranged from top to bottom is also opened in the temporary storage inner shell, a channel switching block is fixedly arranged on the left half of the channel area, and a pulling block capable of sliding in the up-down direction is arranged on the right half in an open structure; The channel switching block is provided with a first channel, a second channel and a third channel in sequence from top to bottom, and a first air supply circular tube and a second air supply circular tube are fixedly provided on the front end surface of the channel switching block and vertically extend into the channel switching block, and the first air supply circular tube and the second air supply circular tube are connected to the first channel and the second channel respectively; A first air connection circular tube extending vertically into the interior is fixedly arranged on the front end surface of the top cover, a first air connection channel communicating with the top cavity and located below the piston is arranged inside the top cover, and the first air connection channel is connected to the first air connection circular tube; the first air connection circular tube and the first air supply circular tube, and the second air connection circular tube and the second air supply circular tube are connected respectively through long hoses; A first inner guide channel is provided in the regulating inner shell, the end of the first inner guide channel is connected to two retracted inner cavities in the access component fixed on the regulating inner shell, and the head end is communicated with the right side of the lower end of the regulating hole; only when the cut-off sealing block is hidden in the regulating hole, the propulsion inner cavity will be communicated with the head end of the first inner guide channel; A second inner guide channel is provided inside the temporary storage inner shell, and the head end of the second inner guide channel is connected to the third channel, and the tail end is connected to two retracted inner cavities in the access component fixed on the regulating inner shell.

[0019] Further configuration is: a main air supply circular pipe vertically extending into the interior is fixedly arranged on the front end surface of the pulling block, and a main air supply channel connected to the main air supply circular pipe is opened inside the pulling block; A positioning groove is provided on the left side of the pulling block, a positioning top block capable of sliding in left and right directions is arranged in the positioning groove, a positioning ball is fixedly arranged on the left end of the positioning top block, a positioning spring is arranged in the positioning groove, and the positioning spring applies an elastic force to the positioning ball to move leftward; a positioning block for limiting the position of the positioning top block is arranged in the positioning groove; The right side of the channel switching block is provided with a first positioning surface, a second positioning surface and a third positioning surface from top to bottom in sequence; when the positioning ball is pushed into the first positioning surface, the main air supply channel is connected to the first channel; when the positioning ball is pushed into the second positioning surface, the main air supply channel is connected to the second channel; when the positioning ball is pushed into the third positioning surface, the main air supply channel is connected to the third channel.

[0020] The present invention has the following beneficial effects: 1. In the present invention, the valve body cooperates with the external fixed seat of the valve to form a sampling hole, and the detachable regulating component is detachably matched with the valve body, and can be regularly removed for maintenance to ensure the cut-off sealing of the sampling hole under normal conditions; the detachable temporary storage component is also detachably matched with the valve body, and can be removed and then collect the fluid output from the sampling hole; the detachable regulating component and the detachable regulating component are both easy to disassemble and assemble to shorten the time spent on maintenance.

[0021] 2. In the present invention, the detachable regulating component can be removed downward, and the detachable temporary storage component can be removed to the right. The detachable regulating component or the detachable temporary storage component will not be hindered by the other during the removal process; thus, the detachable regulating component or the detachable temporary storage component can be removed separately within the effective space on the outer surface of the valve body, which is creative.

[0022] 3. In the present invention, the regulating hole in the detachable regulating component is provided for the sliding setting of the sliding shaft, and the cut-off sealing block is fixed at the left end of the sliding shaft and can be pushed into the sealing recess to complete the cut-off of the sampling hole; the first boosting spring applies a boosting force to the cut-off sealing block against the sealing recess.

[0023] 4. In the present invention, the propulsion block forms a carrier that moves together with the truncation sealing block based on the sliding shaft; the fixed blocking block can collide with the propulsion block to prevent the truncation sealing block from continuously moving to the left; the setting of the propulsion inner cavity can receive air, and then push the propulsion block to move right, thereby driving the truncation sealing block to move right and hide in the regulating hole, thereby realizing the connection of the sampling holes, so that the sampling holes can smoothly output the fluid downward.

[0024] 5. In the present invention, the introduction hole in the detachable temporary storage component can introduce the fluid output from the sampling hole into the temporary storage cavity.

[0025] 6. In the present invention, the quick assembly of the regulating inner shell and the temporary storage inner shell is achieved through the access components; the central recessed area on the valve body is for the extension block to extend, and the two side recessed areas are for the side extension blocks in the extension block to extend into, so as to achieve the fixation of the extension block and the valve body; a single second booster spring can simultaneously apply an outward boosting force to the two side extension blocks, thereby simplifying the structure.

[0026] 7. In the present invention, the two extension blocks can collide with the corresponding retraction blocks respectively to prevent the side extension blocks from continuously moving outward; the setting of the retraction inner cavity can receive air, and then push the two side extension blocks to move inward and respectively detach from the corresponding side recessed areas, so as to facilitate the removal of the extension blocks, thereby realizing the removal of the regulating inner shell and the temporary storage inner shell.

[0027] 8. In the present invention, the setting of the retreat surface allows the side extension blocks to be automatically moved inwards under force during the process of the extension block extending into the central recessed area, so that the extension block can smoothly and fluently extend into the central recessed area.

[0028] 9. In the present invention, as force is applied to pull the pulling block in the up and down directions, switching of different channels is achieved, and three different outputs can be achieved using only one main air supply duct, which brings convenience to actual use; through the cooperation of the positioning ball and the first positioning surface, the second positioning surface and the third positioning surface, the three channels are limited, the stability is improved and feedback feel is provided. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a structural schematic diagram of an embodiment; Figure 2 for Figure 1 Enlarged view of part A in the middle; Figure 3 for Figure 2 Enlarged view of middle part B; Figure 4 for Figure 1 Enlarged view of part C in the middle.

[0030] In the figure: 11, valve body; 12, valve cover; 13, valve stem; 14, flow channel; 15, valve core; 16, main spring; 17, top cover; 171, top cavity; 18, piston; 19, force application handle; 191, contact protrusion; 21, valve outer fixed seat; 211, sealing depression; 22, sampling hole; 31, regulating inner shell; 32, regulating hole; 33, sliding shaft; 34, cut-off sealing block; 35, first booster spring; 36, propulsion block; 37, fixed resistance block; 38, propulsion inner cavity; 41, first air connection round tube; 411, first air connection channel; 42, second air connection round tube; 421, second air connection channel; 51, temporary storage inner shell; 52, temporary storage inner cavity; 53, introduction hole; 61, access groove; 62, access seat; 621, side recessed area; 63, extension block; 64, side extension block; 641, oblique retraction surface; 65, second booster spring; 66, square push block; 67, retraction block; 68, extension block; 69, retraction inner cavity; 71, channel switching block; 72, pulling block; 81, first air supply circular pipe; 811, first channel; 82, second air supply circular pipe; 83, third channel; 841, first inner guide channel; 842, second inner guide channel; 851, main air supply circular pipe; 852, main air supply channel; 86, control valve; 91, positioning groove; 92, positioning top block; 93, positioning ball; 94, positioning spring; 95, positioning block; 951, first positioning surface; 952, second positioning surface; 953, third positioning surface. DETAILED DESCRIPTION

[0031] The present invention is further described in detail below in conjunction with the accompanying drawings.

[0032] As attached Figures 1 to 4 As shown; The present embodiment discloses a high-performance quick-opening and closing spring-type safety valve, comprising a valve body 11, a valve cover 12 is fixedly provided on the upper end of the valve body 11, a valve stem 13 is penetrated inside the valve cover 12, the lower end of the valve stem 13 extends into the valve body 11, a flow channel 14 is provided inside the valve body 11, a valve core 15 capable of cutting off the flow channel 14 is fixedly provided on the lower end of the valve stem 13; a main spring 16 for applying elastic force to the valve stem 13 to move downward is provided in the valve cover 12, a top cover 17 is fixedly provided on the upper end of the valve cover 12, a top cavity 171 is provided inside the top cover 17, the upper end of the valve stem 13 extends upward into the top cavity 171 and is provided with a piston 18, the left end of the piston 18 extends out of the top cover 17, a force-applying handle 19 is rotatably provided on the side of the top cover 17, a contact protrusion 191 is fixedly provided on the upper end of the force-applying handle 19, and the contact protrusion 191 can lift the piston 18 as the force-applying handle 19 is rotated; An external valve fixing seat 21 is fixedly arranged outside the valve body 11, and a sampling hole 22 penetrating from top to bottom is formed in the valve body 11 and the external valve fixing seat 21, and the upper end of the sampling hole 22 is connected to the flow channel 14; It also includes a detachable regulating component and a detachable temporary storage component that are detachable from the valve body 11; after the detachable regulating component is fixed on the valve body 11, it can control the connection or cutoff inside the sampling hole 22 based on external operation; after the detachable temporary storage component is fixed on the valve body 11, it can receive the fluid output from the sampling hole 22.

[0033] Among them, the detachable regulating component is fixed on the valve body 11 and connected to the right end of the external valve fixing seat 21, and the detachable temporary storage component is fixed on the valve body 11 and connected to the lower end of the external valve fixing seat 21. The detachable regulating component can be removed downward, and the detachable temporary storage component can be removed to the right. The detachable regulating component or the detachable temporary storage component will not be hindered by the other party during the removal process.

[0034] Among them, the detachable regulating component includes a regulating inner shell 31, and the regulating inner shell 31 and the valve outer fixed seat 21 cooperate to open a regulating hole 32 arranged from left to right, the right end of the regulating hole 32 is closed, and the left end is connected to the sampling hole 22; a sliding shaft 33 that can slide in the left and right directions is arranged in the regulating hole 32, and a truncation sealing block 34 is fixedly arranged at the left end of the sliding shaft 33, and a sealing recess 211 is opened inside the valve outer fixed seat 21, and the sealing recess 211 is connected to the sampling hole 22 and is located on the left side of the regulating hole 32, and the truncation sealing block 34 can be inserted into the sealing recess 211 to complete the truncation of the sampling hole 22; A first boosting spring 35 is compressed and arranged in the regulating hole 32 to apply a boosting force to the cut-off sealing block 34 against the sealing recess 211 .

[0035] Among them, a push block 36 is fixedly provided at the right end of the sliding shaft 33, the push block 36 matches the regulating hole 32, and the first boost spring 35 is compressed between the push block 36 and the right wall of the regulating hole 32; A fixed block 37 fixed to the regulating inner shell 31 is provided in the regulating hole 32, and the fixed block 37 is always located between the cut-off sealing block 34 and the pushing block 36; there is a spacing area between the lower end of the sliding shaft 33 and the lower wall of the regulating hole 32, and the fixed block 37 is located in the spacing area, and the fixed block 37 matches the spacing area; the fixed block 37 can collide with the pushing block 36 to prevent the cut-off sealing block 34 from continuously moving leftward; The fixed blocking block 37 and the propulsion block 36 are both provided with recessed openings on the side facing each other, and cooperate to form a propulsion inner cavity 38; a second air connecting circular pipe 42 extending vertically into the interior of the regulating inner shell 31 is fixedly provided on the front end surface of the regulating inner shell 31, and a second air connecting channel 421 connecting the second air connecting circular pipe 42 and the propulsion inner cavity 38 is provided inside the regulating inner shell 31; air can be supplied to the propulsion inner cavity 38 through the second air connecting circular pipe 42.

[0036] The detachable temporary storage component includes a temporary storage inner shell 51 , which has a temporary storage inner cavity 52 and an introduction hole 53 connected to the temporary storage inner cavity 52 . When the temporary storage inner shell 51 is fixed on the valve body 11 , the introduction hole 53 will be connected to the sampling hole 22 .

[0037] Among them, the upper end of the regulating inner shell 31 and the left end of the temporary storage inner shell 51 are both provided with access components, the valve body 11 is provided with two access grooves 61, and the two access grooves 61 are both fixedly provided with access seats 62, and the center of the access seat 62 is provided with a central recessed area, and the access seat 62 is also provided with two side recessed areas 621 respectively located on both sides of the central recessed area; The two access components each include an extension block 63, an extension inner cavity is provided inside the extension block 63, two side extension blocks 64 are slidably arranged in the extension inner cavity, the extension block 63 can extend into the central recessed area, and when the extension block 63 extends into the central recessed area, the two side extension blocks 64 will extend into the corresponding side recessed areas 621 respectively, so as to achieve the fixation of the extension block 63 and the valve body 11; A second boosting spring 65 is arranged in the extension inner cavity to simultaneously apply a boosting force to the two side extension blocks 64 to move outward.

[0038] Among them, the inner sides of the two side extension blocks 64 are fixedly provided with square push blocks 66, and the two ends of the second booster spring 65 are respectively connected to the two square push blocks 66; the two square push blocks 66 are fixedly provided with a retraction block 67 on the side facing away from the central recessed area, and the two side ends of the extended inner cavity are fixedly provided with extension blocks 68, and the two extension blocks 68 are respectively located on the outer sides of the corresponding retraction blocks 67, and the two extension blocks 68 can collide with the corresponding retraction blocks 67 to prevent the side extension blocks 64 from continuously moving outward; The two extension blocks 68 are both provided with a recessed opening on one side facing the corresponding retracting block 67 , and cooperate to form a retracting inner cavity 69 .

[0039] The outer sides of the two side extension blocks 64 are both provided with oblique retreat surfaces 641 .

[0040] Among them, the temporary storage inner shell 51 is also provided with a channel area arranged from top to bottom, the left half of the channel area is fixedly provided with a channel switching block 71, and the right half is an open structure and is provided with a pulling block 72 that can slide in the up and down directions; The channel switching block 71 has a first channel 811, a second channel and a third channel 83 in sequence from top to bottom. A first air supply circular tube 81 and a second air supply circular tube 82 are fixedly arranged on the front end surface of the channel switching block 71 and extend vertically into the channel switching block 71. The first air supply circular tube 81 and the second air supply circular tube 82 are connected to the first channel 811 and the second channel respectively. A first air connection circular tube 41 extending vertically into the interior is fixedly provided on the front end surface of the top cover 17. A first air connection passage 411 communicating with the top cavity 171 and located below the piston 18 is provided inside the top cover 17. The first air connection passage 411 is connected to the first air connection circular tube 41. The first air connection circular tube 41 and the first air supply circular tube 81, as well as the second air connection circular tube 42 and the second air supply circular tube 82 are connected respectively through long hoses. A first inner guide channel 841 is provided in the regulating inner shell 31, the end of the first inner guide channel 841 is connected to the two retracted inner chambers 69 in the access component fixed on the regulating inner shell 31, and the head end is communicated with the right side of the lower end of the regulating hole 32; only when the cut-off sealing block 34 is hidden in the regulating hole 32, the propulsion inner chamber 38 will be communicated with the head end of the first inner guide channel 841; A second inner guide channel 842 is provided inside the temporary storage inner shell 51 . The first end of the second inner guide channel 842 is connected to the third channel 83 , and the second inner guide channel 842 is connected to two retracted inner cavities 69 in the access component fixed on the regulating inner shell 31 .

[0041] Among them, a main air supply circular pipe 851 extending vertically into the interior is fixedly provided on the front end surface of the pulling block 72, and a main air supply channel 852 connected to the main air supply circular pipe 851 is opened inside the pulling block 72; A positioning groove 91 is provided on the left side of the pulling block 72. A positioning top block 92 capable of sliding in the left and right directions is provided in the positioning groove 91. A positioning ball 93 is fixedly provided at the left end of the positioning top block 92. A positioning spring 94 is provided in the positioning groove 91. The positioning spring 94 applies an elastic force to the positioning ball 93 to move leftward. A positioning block 95 for limiting the position of the positioning top block 92 is provided in the positioning groove 91. The right side of the channel switching block 71 is provided with a first positioning surface 951, a second positioning surface 952 and a third positioning surface 953 from top to bottom; when the positioning ball 93 is pushed into the first positioning surface 951, the main air supply duct 852 is connected to the first channel 811; when the positioning ball 93 is pushed into the second positioning surface 952, the main air supply duct 852 is connected to the second channel; when the positioning ball 93 is pushed into the third positioning surface 953, the main air supply duct 852 is connected to the third channel 83.

[0042] It should be supplemented that an output pipe is provided on the external pump body, and the output pipe can be inserted into the main air supply circular pipe 851 for air supply; a control valve 86 is provided on the output pipe to realize the storage or discharge of air.

[0043] Installation process of removable control components / removable temporary storage components: The extension block 63 is extended into the central recessed area. After the extension block 63 is extended into the central recessed area, the two side extension blocks 64 will move outwards and extend into the corresponding side recessed areas 621 respectively to fix the extension block 63 and the valve body 11; the second boosting spring 65 simultaneously applies a boosting force for the two side extension blocks 64 to move outwards.

[0044] Connect the sampling hole 22 to carry out the sampling process: By pulling the pulling block 72, the positioning ball 93 is pushed into the second positioning surface 952, and the main air supply channel 852 will be connected to the second channel; the air output by the external pump body can enter the propulsion cavity 38 through the main air supply channel 852, the second channel, the second air supply circular tube 82, the second air connecting circular tube 42, and the second air connecting channel 421 in sequence; the setting of the propulsion cavity 38 can receive air, and then push the propulsion block 36 to move right, and then drive the cut-off sealing block 34 to move right and hide in the regulating hole 32, so as to realize the connection of the sampling hole 22, so that the sampling hole 22 can smoothly output the fluid downward, and the fluid enters the temporary storage cavity 52.

[0045] The process of removing the detachable control components: Pull the pull block 72 to push the positioning ball 93 into the second positioning surface 952; the external pump output causes the cut-off sealing block 34 to move right and hide in the regulating hole 32; as the push block 36 continues to move right, the push inner cavity 38 will communicate with the head end of the first inner channel 841, and the air will then enter the two retract inner cavities 69 in the corresponding access component through the first inner channel 841. The setting of the retract inner cavity 69 can receive air, and then push the two side extension blocks 64 to move inward and separate from the corresponding side recessed area 621, so as to facilitate the removal of the extension block 63, and then realize the removal of the regulating inner shell 31. Since the cut-off sealing block 34 is hidden in the regulating hole 32, the cut-off sealing block 34 will be disassembled together to facilitate the cleaning and maintenance of the cut-off sealing block 34.

[0046] Process of removing the removable temporary storage components: By pulling the pulling block 72 so that the positioning ball 93 is pushed into the third positioning surface 953, the main air supply channel 852 will be connected to the third channel 83; the air output by the external pump body can enter the two retracted inner cavities 69 in the corresponding access component through the main air supply channel 852, the third channel 83, and the second inner guide channel 842 in sequence. The setting of the retracted inner cavity 69 can receive air, and then push the two side extension blocks 64 to move inward and respectively disengage from the corresponding side recessed areas 621, so as to facilitate the removal of the extension block 63, thereby realizing the removal of the detachable inner shell.

[0047] The pneumatic control piston 18 moves upward: In this embodiment, not only can the piston 18 be lifted by rotating the force-applying handle 19, but also a pneumatic method can be used to save effort. Specifically, after the pull block 72 is pulled to push the positioning ball 93 into the first positioning surface 951, the main air supply channel 852 will be connected to the first channel 811; the air output by the external pump body can enter the top cavity 171 through the main air supply channel 852, the second air supply circular tube 82, the first air connection circular tube 41, and the first air connection channel 411 in sequence, and then push the piston 18.

[0048] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed. However, as long as they are within the scope of the claims of the present invention, they are protected by the patent law.

Claims

1. A high-performance quick-opening and closing spring-type safety valve, comprising a valve body (11), a valve cover (12) being fixedly arranged at the upper end of the valve body (11), a valve stem (13) being inserted into the valve cover (12), the lower end of the valve stem (13) extending into the valve body (11), a flow channel (14) being opened inside the valve body (11), a valve core (15) being fixedly arranged at the lower end of the valve stem (13) for cutting off the flow channel (14); a main spring (16) being arranged in the valve cover (12) for applying elastic force to the valve stem (13) to move downward, the valve stem (13) A top cover (17) is fixedly provided on the upper end of the valve cover (12), a top cavity (171) is provided inside the top cover (17), the upper end of the valve stem (13) extends upward into the top cavity (171) and is provided with a piston (18), the left end of the piston (18) extends out of the top cover (17), a force application handle (19) is rotatably provided laterally on the top cover (17), a contact protrusion (191) is fixedly provided on the upper end of the force application handle (19), and as the force application handle (19) is rotated, the contact protrusion (191) can lift the piston (18); the characteristics are: The valve body (11) is fixedly provided with an external valve fixing seat (21), and the valve body (11) and the external valve fixing seat (21) are matched to form a sampling hole (22) that passes through from top to bottom, and the upper end of the sampling hole (22) is connected to the flow channel (14); It also includes a detachable regulating component and a detachable temporary storage component that are detachable from the valve body (11); after the detachable regulating component is fixed to the valve body (11), it can control the connection or cutoff of the inside of the sampling hole (22) based on external operation; after the detachable temporary storage component is fixed to the valve body (11), it can receive the fluid output from the sampling hole (22).

2. A high performance quick opening and closing spring type safety valve according to claim 1, characterized in that: The detachable control component is fixed on the valve body (11) and connected to the right end of the external valve fixing seat (21). The detachable temporary storage component is fixed on the valve body (11) and connected to the lower end of the external valve fixing seat (21). The detachable control component can be removed downwards, and the detachable temporary storage component can be removed to the right. The detachable control component or the detachable temporary storage component will not be obstructed by the other during the removal process.

3. A high-performance quick-opening and closing spring-type safety valve according to claim 2, characterized in that: The detachable regulating component comprises a regulating inner shell (31), wherein the regulating inner shell (31) and the valve outer fixed seat (21) cooperate to open a regulating hole (32) arranged from left to right, wherein the right end of the regulating hole (32) is closed, and the left end is communicated with the sampling hole (22); a sliding shaft (33) capable of sliding in the left and right directions is arranged in the regulating hole (32), and a truncation sealing block (34) is fixedly arranged at the left end of the sliding shaft (33); a sealing recess (211) is opened inside the valve outer fixed seat (21), wherein the sealing recess (211) is communicated with the sampling hole (22) and is located on the left side of the regulating hole (32), and the truncation sealing block (34) can be inserted into the sealing recess (211) to complete the truncation of the sampling hole (22); A first boosting spring (35) is compressed and arranged in the regulating hole (32) to apply a boosting force to the sealing recess (211) to the cut-off sealing block (34).

4. A high performance quick opening and closing spring type safety valve according to claim 3, characterized in that: A propulsion block (36) is fixedly arranged at the right end of the sliding shaft (33), the propulsion block (36) matches the regulating hole (32), and the first boosting spring (35) is compressed between the propulsion block (36) and the right wall of the regulating hole (32); The regulating hole (32) is provided with a fixed block (37) fixed to the regulating inner shell (31), and the fixed block (37) is always located between the cut-off sealing block (34) and the pushing block (36); a spacing area is provided between the lower end of the sliding shaft (33) and the lower wall of the regulating hole (32), and the fixed block (37) is located in the spacing area, and the fixed block (37) matches the spacing area; the fixed block (37) can collide with the pushing block (36) to prevent the cut-off sealing block (34) from continuously moving leftward; The fixed blocking block (37) and the propulsion block (36) are both provided with recessed openings on the sides facing each other, and cooperate to form a propulsion inner cavity (38); the front end surface of the regulating inner shell (31) is fixedly provided with a second air connection circular tube (42) vertically extending into the interior of the regulating inner shell (31); the interior of the regulating inner shell (31) is provided with a second air connection channel (421) for connecting the second air connection circular tube (42) and the propulsion inner cavity (38); air can be supplied to the propulsion inner cavity (38) through the second air connection circular tube (42).

5. A high performance quick opening and closing spring type safety valve according to claim 4, characterized in that: The detachable temporary storage component comprises a temporary storage inner shell (51), wherein the temporary storage inner shell (51) is provided with a temporary storage inner cavity (52) and an introduction hole (53) connected to the temporary storage inner cavity (52). When the temporary storage inner shell (51) is fixed on the valve body (11), the introduction hole (53) will be connected to the sampling hole (22).

6. A high-performance quick-opening and closing spring-loaded safety valve according to claim 5, characterized in that: The upper end of the regulating inner shell (31) and the left end of the temporary storage inner shell (51) are both provided with access components, the valve body (11) is provided with two access grooves (61), and access seats (62) are fixedly provided in the two access grooves (61), a central recessed area is provided in the center of the access seat (62), and two side recessed areas (621) are also provided in the access seat (62) and are respectively located on both sides of the central recessed area; The two access components each include an extension block (63), an extension inner cavity is provided inside the extension block (63), two side extension blocks (64) are slidably arranged in the extension inner cavity, the extension block (63) can extend into the central recessed area, and when the extension block (63) extends into the central recessed area, the two side extension blocks (64) will respectively extend into the corresponding side recessed areas (621) to achieve the fixation of the extension block (63) and the valve body (11); The extension inner cavity is provided with a second boosting spring (65) for simultaneously applying a boosting force for the two side extension blocks (64) to move outward.

7. A high performance quick opening and closing spring type safety valve according to claim 6, characterized in that: A square push block (66) is fixedly arranged on the inner side of the two side extension blocks (64), and the two ends of the second booster spring (65) are respectively connected to the two square push blocks (66); a retraction block (67) is fixedly arranged on the side of the two square push blocks (66) facing away from the central recessed area, and an extension block (68) is fixedly arranged on the two side ends of the extension inner cavity, and the two extension blocks (68) are respectively located on the outer side of the corresponding retraction block (67), and the two extension blocks (68) can respectively collide with the corresponding retraction block (67) to prevent the side extension block (64) from continuously moving outward; The two extension blocks (68) are both provided with a recessed opening on one side facing the corresponding retraction block (67), and cooperate to form a retraction inner cavity (69).

8. A high performance quick opening and closing spring type safety valve according to claim 7, characterized in that: The outer sides of the two side extension blocks (64) are both provided with oblique retreat surfaces (641).

9. A high performance quick opening and closing spring type safety valve according to claim 7, characterized in that: The temporary storage inner shell (51) is also provided with a channel area arranged from top to bottom, the left half of the channel area is fixedly provided with a channel switching block (71), and the right half is an open structure and is provided with a pulling block (72) capable of sliding in an up-and-down direction; The channel switching block (71) is provided with a first channel (811), a second channel and a third channel (83) in sequence from top to bottom; a first air supply circular tube (81) and a second air supply circular tube (82) are fixedly provided on the front end surface of the channel switching block (71) and extend vertically into the channel switching block (71); the first air supply circular tube (81) and the second air supply circular tube (82) are connected to the first channel (811) and the second channel respectively; A first air connection circular tube (41) is fixedly arranged on the front end surface of the top cover (17) and extends vertically into the interior; a first air connection passage (411) is arranged inside the top cover (17) and is communicated with the top cavity (171) and is located below the piston (18); the first air connection passage (411) is connected to the first air connection circular tube (41); the first air connection circular tube (41) and the first air supply circular tube (81), and the second air connection circular tube (42) and the second air supply circular tube (82) are connected respectively via long hoses; The regulating inner shell (31) is provided with a first inner guide channel (841), the end of the first inner guide channel (841) is connected to two retracted inner chambers (69) in the access component fixed on the regulating inner shell (31), and the head end is communicated with the right side of the lower end of the regulating hole (32); only when the cut-off sealing block (34) is hidden in the regulating hole (32), the propulsion inner chamber (38) will be communicated with the head end of the first inner guide channel (841); A second inner channel (842) is provided inside the temporary storage inner shell (51), and the head end of the second inner channel (842) is connected to the third channel (83), and the tail end is connected to two retracted inner cavities (69) in the access component fixed on the regulating inner shell (31).

10. A high performance quick opening and closing spring type safety valve according to claim 9, characterized in that: The front end surface of the pulling block (72) is fixedly provided with a main air supply circular pipe (851) extending vertically into the interior, and the pulling block (72) is provided with a main air supply passage (852) connected to the main air supply circular pipe (851); A positioning groove (91) is provided on the left side of the pulling block (72), a positioning top block (92) capable of sliding in left and right directions is provided in the positioning groove (91), a positioning ball (93) is fixedly provided at the left end of the positioning top block (92), a positioning spring (94) is provided in the positioning groove (91), and the positioning spring (94) applies an elastic force to the positioning ball (93) to move leftward; a positioning block (95) is provided in the positioning groove (91) to limit the position of the positioning top block (92); The right side of the channel switching block (71) is provided with a first positioning surface (951), a second positioning surface (952) and a third positioning surface (953) in sequence from top to bottom; when the positioning ball (93) is pushed into the first positioning surface (951), the main air supply channel (852) is connected to the first channel (811); when the positioning ball (93) is pushed into the second positioning surface (952), the main air supply channel (852) is connected to the second channel; when the positioning ball (93) is pushed into the third positioning surface (953), the main air supply channel (852) is connected to the third channel (83).

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