A gas injection valve assembly tool

Abstract

The utility model belongs to the related equipment technical field of gas injection valve assembly, disclose a kind of gas injection valve assembly dismounting tool.Gas injection valve assembly dismounting tool includes frame body, first fixed mechanism, second fixed mechanism and moving mechanism.First fixed mechanism is set on frame body, and first fixed mechanism is configured as fixed nozzle core.Second fixed mechanism is set on frame body, and it is located in the side of first fixed mechanism, and first fixed mechanism is configured as fixed gas rail.Moving mechanism is set on frame body, and is configured as driving second fixed mechanism and first fixed mechanism mutually close or away from each other.The utility model provides gas injection valve assembly of providing does not need artificial repeated adjustment positioning, also avoids improper contact caused by the structure mismatch of general tool and gas rail or nozzle core, to improve dismounting efficiency, and avoid the damage of the precision components such as O-ring of nozzle core by rigid friction or uneven stress, and eliminate the security risk related to general tool.

Description

Technical Field

[0001] This utility model relates to the technical field of gas injection valve assembly related equipment, and in particular to a gas injection valve assembly disassembly and assembly tool. Background Technology

[0002] The gas injection valve assembly is a key component in the fluid delivery system. Its core structure includes the nozzle core and air rails symmetrically arranged on both sides of the nozzle core. The nozzle core requires periodic disassembly and assembly for replacement or maintenance. Specifically, during disassembly, first secure the gas injection valve assembly, then release the locking mechanism between the air rails and the nozzle core to separate them. During assembly, first align and temporarily position the two air rails, then insert the nozzle core into the mounting slot on the air rail to connect them.

[0003] Currently, in the industry, workers typically use general-purpose tools such as wrenches to perform the above-mentioned disassembly and assembly operations. In practice, it is necessary to use general-purpose tools such as wrenches to directly clamp the edge of the air rail or the outer side of the nozzle core, and apply external force after manually judging the positioning to forcibly separate or attach the air rail and the nozzle core.

[0004] However, general-purpose tools lack compatibility with the specific structure of the nozzle or air rail, and manual positioning and force application lead to low assembly and disassembly efficiency. In addition, precision components such as the O-ring of the nozzle are easily damaged during manual positioning and force application, and there are safety hazards such as tool slippage causing personnel to bump into each other or the assembly falling during operation.

[0005] Therefore, the above problems urgently need to be solved. Utility Model Content

[0006] The purpose of this utility model is to provide a gas injection valve assembly disassembly and assembly tool to avoid improper contact caused by the mismatch between the general tool and the structure of the gas rail or nozzle core. The movement process is controllable and the force is evenly distributed, thereby improving disassembly and assembly efficiency, avoiding damage to precision components such as the O-ring of the nozzle core due to rigid friction or uneven stress, and reducing the risk of tool slippage, component displacement, and falling, thus eliminating related safety hazards.

[0007] To achieve this objective, the present invention adopts the following technical solution:

[0008] A gas injection valve assembly disassembly and assembly tool is used to separate or attach the gas rail and nozzle core in the gas injection valve assembly. The gas injection valve assembly disassembly and assembly tool includes a frame, a first fixing mechanism, a second fixing mechanism, and a moving mechanism, wherein:

[0009] The first fixing mechanism is disposed on the frame and is configured to fix the nozzle core;

[0010] The second fixing mechanism is disposed on the frame and located on one side of the first fixing mechanism, and the second fixing mechanism is configured to fix the air rail;

[0011] The moving mechanism is mounted on the frame and configured to drive the second fixing mechanism to move closer to or further away from the first fixing mechanism, so that the air rail fixed by the second fixing mechanism and the nozzle fixed by the first fixing mechanism can be separated or joined in a preset posture.

[0012] Preferably, there are two second fixing mechanisms, which are respectively disposed on opposite sides of the first fixing mechanism, and the moving mechanism is configured to drive the two second fixing mechanisms to move relative to or away from each other.

[0013] Preferably, the moving mechanism includes a guide rail extending along a preset path on the frame, and the second fixing mechanism slides and engages with the guide rail.

[0014] Preferably, the moving mechanism further includes a lead screw, a transmission nut, and a driving component, wherein:

[0015] The lead screw is rotatably mounted on the frame about its own axis, and the lead screw extends along the preset path;

[0016] The transmission nut is sleeved on the lead screw and threaded into the lead screw; the second fixing mechanism is connected to the transmission nut.

[0017] The drive element is configured to drive the lead screw to rotate.

[0018] Preferably, the lead screw has two threaded sections with opposite directions of rotation, and two transmission nuts are provided. The two transmission nuts are respectively threadedly engaged with the two threaded sections, so that when the lead screw rotates, it can drive the two transmission nuts to move synchronously relative to each other or in opposite directions.

[0019] Preferably, there are two guide rails, which are located on both sides of the lead screw.

[0020] Preferably, the first fixing mechanism includes a fixing base, a fixing member, and a locking member, wherein:

[0021] The fixing base has a receiving groove adapted to the nozzle core. The receiving groove matches the outer contour of the nozzle core to restrict the nozzle core from moving within the receiving groove.

[0022] The fastener is used to press the nozzle core into the receiving groove;

[0023] The locking element is used to fix the fixing element to the fixing base.

[0024] Preferably, the locking element is a pin, the fixing element has a through hole adapted to the pin, and the fixing base has a pin hole at the position corresponding to the through hole;

[0025] The pin can pass through the through hole and be inserted into the pin hole to achieve detachable fixing of the fastener and the fixing base.

[0026] Preferably, the fixing base is provided with an abutment member facing the second fixing mechanism, the abutment member being able to abut against the second fixing mechanism when the second fixing mechanism moves to the limit position towards the first fixing mechanism.

[0027] Preferably, the second fixing mechanism includes a support frame, multiple limiting members, and connecting members, wherein:

[0028] Multiple limiting members are spaced apart on the support frame, and the distribution of the multiple limiting members is adapted to the shape of the air rail to form abutment and limit the corresponding position of the air rail.

[0029] The connector is used to fix the air rail to the support frame, so that the air rail is in contact with the plurality of limiting members.

[0030] The beneficial effects of this utility model are:

[0031] The first fixing mechanism of the gas injection valve assembly disassembly and assembly tool provided by this utility model fixes the nozzle core, and the second fixing mechanism fixes the gas rail. This eliminates the need for repeated manual adjustments to the positioning and avoids improper contact caused by the mismatch between the general tool and the gas rail or nozzle core structure. At the same time, the moving mechanism drives the gas rail and nozzle core to move closer or further apart. The movement process is controllable and the force is evenly distributed, thereby improving disassembly and assembly efficiency, preventing damage to precision components such as the nozzle core's O-ring from rigid friction or uneven stress, and reducing the risk of tool slippage, component displacement, and falling, thus eliminating related safety hazards. Attached Figure Description

[0032] Figure 1 This is a schematic diagram of the structure of the gas injection valve assembly disassembly and assembly tool provided by this utility model. Figure 1 ;

[0033] Figure 2 This is a schematic diagram of the structure of the gas injection valve assembly disassembly and assembly tool provided by this utility model. Figure 2 ;

[0034] Figure 3 This is a schematic diagram of the structure of the first fixing mechanism provided by this utility model;

[0035] Figure 4This is a schematic diagram of the second fixing mechanism provided by this utility model.

[0036] In the picture:

[0037] 100. Air rail; 200. Nozzle core;

[0038] 1. Frame;

[0039] 2. First fixing mechanism; 21. Fixing base; 211. Receiving groove; 22. Fixing component; 23. Locking component; 24. Abutting component;

[0040] 3. Second fixing mechanism; 31. Bearing frame; 32. Limiting component; 33. Connecting component;

[0041] 4. Moving mechanism; 41. Guide rail; 42. Lead screw; 43. Transmission nut; 44. Driving component. Detailed Implementation

[0042] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, the accompanying drawings show only the parts relevant to the present invention, not the entire structure.

[0043] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0044] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0045] In the description of this embodiment, the terms "upper," "lower," "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.

[0046] Please see Figures 1 to 4 This embodiment provides a gas injection valve assembly disassembly and assembly tool for separating or attaching the gas rail 100 and nozzle core 200 in the gas injection valve assembly. The gas injection valve assembly disassembly and assembly tool includes a frame 1, a first fixing mechanism 2, a second fixing mechanism 3, and a moving mechanism 4. The first fixing mechanism 2 is disposed on the frame 1 and is configured to fix the nozzle core 200. The second fixing mechanism 3 is disposed on the frame 1 and located to one side of the first fixing mechanism 2, and is configured to fix the gas rail 100. The moving mechanism 4 is disposed on the frame 1 and is configured to drive the second fixing mechanism 3 and the first fixing mechanism 2 to move closer or further apart, so that the gas rail 100 fixed by the second fixing mechanism 3 and the nozzle core 200 fixed by the first fixing mechanism 2 are separated or attached in a preset posture.

[0047] The preset posture is that after the first fixing mechanism 2 fixes the nozzle core 200 and the second fixing mechanism 3 fixes the air rail 100, the two mating structures are precisely aligned along the separation or bonding direction, that is, the mounting slots and mating end faces of the nozzle core 200 and the air rail 100 are coaxially corresponding.

[0048] During assembly, the first fixing mechanism 2 first fixes the nozzle core 200 to provide a precise reference for assembly; then the second fixing mechanism 3 fixes the air rail 100 to ensure that the assembly positions of the nozzle core 200 and the air rail 100 are aligned; finally, the moving mechanism 4 drives the first fixing mechanism 2 and the second fixing mechanism 3 to move closer to each other until the nozzle core 200 is embedded into the mounting slot on the air rail 100, so that the two fit together.

[0049] During disassembly, the first fixing mechanism 2 first fixes the nozzle core 200 to provide a stable reference for disassembly; then the second fixing mechanism 3 fixes the air rail 100 to ensure that the relative position of the nozzle core 200 and the air rail 100 is stable; finally, the moving mechanism 4 drives the second fixing mechanism 3 and the first fixing mechanism 2 to move away from each other until the nozzle core 200 is detached from the mounting slot on the air rail 100, thus achieving separation of the two.

[0050] Understandably, the first fixing mechanism 2 fixes the nozzle core 200, and the second fixing mechanism 3 fixes the air rail 100. This eliminates the need for repeated manual adjustments to the positioning and avoids improper contact caused by the mismatch between the general-purpose tool and the air rail 100 or nozzle core 200. At the same time, the moving mechanism 4 drives the air rail 100 and nozzle core 200 to move closer or further apart. The movement process is controllable and the force is evenly distributed, thereby improving the efficiency of disassembly and assembly, preventing damage to precision components such as the O-ring of the nozzle core 200 from rigid friction or uneven stress, and reducing the risk of tool slippage, component displacement, and falling, thus eliminating related safety hazards.

[0051] In this embodiment, there are two second fixing mechanisms 3, which are respectively disposed on opposite sides of the first fixing mechanism 2. The moving mechanism 4 is configured to drive the two second fixing mechanisms 3 to move relative to or away from each other.

[0052] With this configuration, the two second fixing mechanisms 3 are respectively set on the air rails 100 on both sides of the nozzle core 200 in the gas injection valve assembly. In actual operation, the first fixing mechanism 2 first fixes the nozzle core 200 to establish a reference, and then the two second fixing mechanisms 3 can simultaneously fix the corresponding air rails 100. Without repeated manual calibration, it can ensure that the assembly position of the nozzle core 200 and the air rails 100 on both sides is completely aligned. This solves the drawback of relying on manual judgment for positioning in general tools, greatly shortens the positioning adjustment time, and significantly improves the disassembly and assembly efficiency.

[0053] In addition, the clamping forces of the two second fixing mechanisms 3 on the air rails 100 on both sides are balanced and symmetrical, which can avoid problems such as excessive force on one side and deviation of the force direction that are easy to occur when applying force manually with general tools. This can effectively prevent abnormal stress from occurring at the contact part between the nozzle core 200 and the air rail 100, thereby effectively protecting precision components such as O-rings on the nozzle core 200.

[0054] To improve the accuracy of the movement direction of the second fixing mechanism 3, the moving mechanism 4 includes a guide rail 41 extending along a preset path on the frame 1, and the second fixing mechanism 3 slides in conjunction with the guide rail 41. The preset path of the guide rail 41 defines the movement trajectory of the second fixing mechanism 3, preventing it from deviating during movement. Combined with the fixing of the nozzle 200 by the first fixing mechanism 2, it ensures that the air rail 100 is always aligned with the nozzle 200 in a precise direction, solving the problem of easy deviation and repeated adjustments required by manual positioning.

[0055] Specifically, the moving mechanism 4 also includes a lead screw 42, a transmission nut 43, and a drive member 44. The lead screw 42 is rotatably mounted on the frame 1 about its own axis and extends along a preset path. The transmission nut 43 is sleeved on the lead screw 42 and threadedly engaged with it, and the second fixing mechanism 3 is connected to the transmission nut 43. The drive member 44 is configured to drive the lead screw 42 to rotate.

[0056] As can be seen from the above, when the driving component 44 drives the lead screw 42 to rotate around its own axis, the threaded engagement between the lead screw 42 and the transmission nut 43 converts the rotational motion into linear motion along the axis of the lead screw 42 (i.e., the preset path). The transmission nut 43 drives the second fixed mechanism 3 to move smoothly along the guide rail 41. The inherent characteristics of the threaded transmission allow the movement distance of the second fixed mechanism 3 to be precisely controlled by the number of rotations of the lead screw 42. Combined with the constraint of the guide rail 41 on the direction of movement, it can ensure that the air rail 100 and the nozzle core 200 are always precisely aligned along the preset direction, completely solving the problem of manual positioning relying on experience and prone to deviation.

[0057] In this embodiment, the two second fixing mechanisms 3 are driven independently. That is, each second fixing mechanism 3 is equipped with an independent lead screw 42, transmission nut 43, and driving component 44, forming two sets of identical and independently operating driving units. The independent driving method allows for single-sided operation to be completed by the other driving unit when one set fails, reducing motion interference and jamming risks, and improving operational reliability and fault tolerance.

[0058] In addition, the drive component 44 can be flexibly selected from motors or handwheels to adapt to different working scenarios. The motor drive is stable and the output power is controllable. It can achieve quantitative adjustment of the displacement and force of the second fixed mechanism 3 by precisely controlling the speed and number of rotations of the lead screw 42, which can replace manual labor and greatly reduce labor intensity. At the same time, it can adapt to batch and automated disassembly and assembly requirements to improve the consistency of operation. The handwheel has a simple structure and is easy to operate. The operator can directly feel the transmission feedback of the lead screw 42 by turning the handwheel. It is convenient to make fine adjustments when working in small spaces or when there are high requirements for assembly accuracy. It does not require complex electrical control and is suitable for temporary maintenance or simple working scenarios.

[0059] In other embodiments, the lead screw 42 has two threaded sections with opposite directions of rotation, and two transmission nuts 43 are provided. The two transmission nuts 43 are respectively threadedly engaged with the two threaded sections, so that when the lead screw 42 rotates, it can drive the two transmission nuts 43 to move synchronously relative to each other or in opposite directions.

[0060] This configuration, using a single lead screw 42 with two oppositely helical threaded sections and two transmission nuts 43 respectively adapted to the corresponding threaded sections, allows the rotation of the lead screw 42 to drive the two transmission nuts 43 to move synchronously relative to or in opposite directions. This simplifies the structure and ensures absolute synchronization, eliminating the need for two sets of drive units for the two second fixed mechanisms 3. The coordinated movement of both sides is achieved solely through the cooperation of a single lead screw 42 and the two transmission nuts 43, reducing the number of parts and assembly complexity. Simultaneously, the mechanical characteristics of the threaded drive ensure synchronous movement of the two transmission nuts 43, avoiding delays and deviations in electronic synchronization. This ensures that the force applied by the two air rails 100 to the nozzle core 200 is completely symmetrical, fundamentally solving the offset problem caused by asynchronous movement.

[0061] Generally, when the air rail 100 is long, a single guide rail 41 can only constrain a local area, which can easily cause the distal end of the air rail 100 to deviate or sway during movement. Therefore, in this embodiment, two guide rails 41 are provided, located on both sides of the lead screw 42. The two guide rails 41 on both sides of the lead screw 42 can provide support and guidance for different areas of the air rail 100, forming bidirectional limits from key positions along the length of the air rail 100. This ensures that the air rail 100 as a whole always moves along the preset path, avoiding misalignment between the air rail 100 and the nozzle core 200 due to local deviation, and solving the problem of incomplete guidance for long components.

[0062] Specifically, the first fixing mechanism 2 includes a fixing base 21, a fixing member 22, and a locking member 23. The fixing base 21 has a receiving groove 211 adapted to the nozzle core 200. The receiving groove 211 matches the outer contour of the nozzle core 200 to restrict movement of the nozzle core 200 within the receiving groove 211. The fixing member 22 is used to press the nozzle core 200 firmly into the receiving groove 211. The locking member 23 is used to fix the fixing member 22 to the fixing base 21.

[0063] Understandably, the mounting base 21 has a receiving groove 211 that matches the outer contour of the nozzle 200, which can form a fitting constraint on the nozzle 200 in the circumferential direction to prevent it from moving around in the groove. This eliminates the need for repeated manual calibration and solves the problem of easy displacement in the positioning of general tools. The fixing member 22 presses the nozzle 200 into the receiving groove 211, and the locking member 23 further fixes the fixing member 22 to the mounting base 21, ensuring that the nozzle 200 is stable and does not shift during disassembly and assembly, which is more reliable than manual clamping.

[0064] It should be noted that the specific structure of the receiving groove 211 needs to be adapted to the model and shape of the nozzle core 200 to be disassembled and assembled, and this embodiment does not make specific limitations; the structural form of the fixing part 22 also needs to be adapted to the actual structural characteristics of the nozzle core 200, and this embodiment does not make specific limitations either.

[0065] Furthermore, the locking element 23 is a pin, and the fixing element 22 has a through hole adapted to the pin. The fixing base 21 has a pin hole at the corresponding position of the through hole. The pin can pass through the through hole and be inserted into the pin hole to achieve detachable fixing of the fixing element 22 and the fixing base 21. The pin-plugging operation does not require complicated tools. Simply insert the pin through the through hole into the pin hole to lock the fixing element 22 and the fixing base 21. Reverse insertion and removal will unlock the pin. The operation is convenient and efficient, greatly reducing the time for fixing and disassembling the nozzle 200.

[0066] In order to precisely limit the extreme travel of the second fixing mechanism 3 towards the first fixing mechanism 2 and avoid damage caused by excessive fit of components, the fixing base 21 is provided with an abutment 24 facing the second fixing mechanism 3. The abutment 24 can abut against the second fixing mechanism 3 when the second fixing mechanism 3 moves to the extreme position of the first fixing mechanism 2.

[0067] With this configuration, the contact part 24 defines the maximum moving distance of the second fixing mechanism 3 through mechanical limiting, preventing it from driving the air rail 100 to get too close to the nozzle core 200. This prevents the air rail 100 and the nozzle core 200 from being squeezed too tightly, which could cause deformation or damage to precision components such as the nozzle core 200 O-ring. This solves the problem of component damage that may be caused by improper operation or excessive transmission when there is no limit.

[0068] Specifically, the second fixing mechanism 3 includes a support frame 31, multiple limiting members 32, and a connecting member 33. The multiple limiting members 32 are spaced apart on the support frame 31, and their distribution is adapted to the shape of the air rail 100 to form abutment and limiting at corresponding positions on the air rail 100. The connecting member 33 is used to fix the air rail 100 to the support frame 31, keeping the air rail 100 in abutment with the multiple limiting members 32.

[0069] Understandably, the multiple limiting components 32 are arranged at intervals according to the contour of the air rail 100, forming multi-point abutment and limiting from different corresponding positions on the air rail 100. This precisely conforms to the contour of the air rail 100, effectively limiting its movement both circumferentially and radially. This solves the problem of easy deviation when using general-purpose tools with single-point clamping, ensuring that the positioning accuracy of the air rail 100 meets the standards.

[0070] It should be noted that the connecting piece 33 can specifically be a bolt. The air rail 100 is detachably fixed by the threaded engagement of the bolt with the support frame 31, so as to maintain the abutment state between the air rail 100 and the limiting piece 32. In addition, the specific structure and arrangement of the bolt can be designed according to the actual application scenario, so it will not be described in detail.

[0071] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the present utility model, and are not intended to limit the implementation of the present utility model. Those skilled in the art can make various obvious changes, readjustments, and substitutions without departing from the protection scope of this utility model. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. A gas injection valve assembly disassembly and assembly tool, used to separate or attach the gas rail (100) and nozzle core (200) in the gas injection valve assembly, characterized in that, The gas injection valve assembly disassembly and assembly tool includes a frame (1), a first fixing mechanism (2), a second fixing mechanism (3), and a moving mechanism (4), wherein: The first fixing mechanism (2) is disposed on the frame (1) and is configured to fix the nozzle (200). The second fixing mechanism (3) is disposed on the frame (1) and located on one side of the first fixing mechanism (2). The second fixing mechanism (3) is configured to fix the air rail (100). The moving mechanism (4) is mounted on the frame (1) and is configured to drive the second fixing mechanism (3) to move closer to or further away from the first fixing mechanism (2) so that the air rail (100) fixed by the second fixing mechanism (3) and the nozzle core (200) fixed by the first fixing mechanism (2) can be separated or joined in a preset posture.

2. The gas injection valve assembly disassembly and assembly tool according to claim 1, characterized in that, The second fixing mechanism (3) is provided in two parts, and the two second fixing mechanisms (3) are respectively arranged on opposite sides of the first fixing mechanism (2). The moving mechanism (4) is configured to drive the two second fixing mechanisms (3) to move relative to each other or in opposite directions.

3. The gas injection valve assembly disassembly and assembly tool according to claim 2, characterized in that, The moving mechanism (4) includes a guide rail (41) extending along a preset path on the frame (1), and the second fixing mechanism (3) slides and cooperates with the guide rail (41).

4. The gas injection valve assembly disassembly and assembly tool according to claim 3, characterized in that, The moving mechanism (4) further includes a lead screw (42), a transmission nut (43), and a driving component (44), wherein: The lead screw (42) is rotatably mounted on the frame (1) around its own axis, and the lead screw (42) extends along the preset path; The transmission nut (43) is sleeved on the lead screw (42) and threadedly engaged with the lead screw (42); the second fixing mechanism (3) is connected to the transmission nut (43); The drive element (44) is configured to drive the lead screw (42) to rotate.

5. A gas injection valve assembly disassembly and assembly tool according to claim 4, characterized in that, The lead screw (42) has two threaded sections with opposite directions of rotation. There are two transmission nuts (43). The two transmission nuts (43) are respectively threadedly engaged with the two threaded sections, so that when the lead screw (42) rotates, it can drive the two transmission nuts (43) to move synchronously relative to each other or in opposite directions.

6. A gas injection valve assembly disassembly and assembly tool according to claim 4, characterized in that, There are two guide rails (41), which are located on both sides of the lead screw (42).

7. A gas injection valve assembly disassembly and assembly tool according to claim 1, characterized in that, The first fixing mechanism (2) includes a fixing base (21), a fixing member (22), and a locking member (23), wherein: The fixing base (21) is provided with a receiving groove (211) that is adapted to the nozzle core (200). The receiving groove (211) matches the outer contour of the nozzle core (200) to restrict the nozzle core (200) from moving within the receiving groove (211). The fastener (22) is used to press the nozzle (200) into the receiving groove (211); The locking member (23) is used to fix the fixing member (22) to the fixing base (21).

8. A gas injection valve assembly disassembly and assembly tool according to claim 7, characterized in that, The locking member (23) is a pin, the fixing member (22) has a through hole adapted to the pin, and the fixing base (21) has a pin hole at the position corresponding to the through hole; The pin can pass through the through hole and be inserted into the pin hole to achieve detachable fixing of the fastener (22) and the fixing seat (21).

9. A gas injection valve assembly disassembly and assembly tool according to claim 7, characterized in that, The fixed base (21) is provided with an abutment (24) facing the second fixed mechanism (3), and the abutment (24) can abut against the second fixed mechanism (3) when the second fixed mechanism (3) moves to the limit position towards the first fixed mechanism (2).

10. A gas injection valve assembly disassembly and assembly tool according to claim 1, characterized in that, The second fixing mechanism (3) includes a support frame (31), multiple limiting members (32), and connecting members (33), wherein: Multiple limiting members (32) are spaced apart on the support frame (31), and the distribution position of the multiple limiting members (32) is adapted to the shape of the air rail (100) to form abutment and limit on the corresponding position of the air rail (100). The connector (33) is used to fix the air rail (100) to the support frame (31) so that the air rail (100) and the plurality of limiting members (32) are in contact.

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