A novel pressure regulating structure

Abstract

The utility model provides a novel pressure regulating structure, including pipe base and be located in the rubber of pipe base, install pressure regulating subassembly on the pipe base, pressure regulating subassembly includes extruding piece and pressure regulating wheel, the position of pipe base with rubber opposite is equipped with the installation department activity installation extruding piece, extruding piece can be with rubber, pressure regulating wheel rotatory installation in the side of pipe base, the position of pressure regulating wheel deviating its rotation axis with extruding piece is connected, to drive extruding piece is close or far from rubber. Rotatory installation pressure regulating wheel in the side of pipe base can avoid pressure regulating wheel to encroach on the space of pipe base upside or downside, the space that leaves can be used to install other parts, make the whole space utilization of equipment more reasonable.

Description

Technical Field

[0001] This utility model relates to the field of air gun technology, and in particular to a novel pressure regulating structure. Background Technology

[0002] During airgun firing, to increase projectile range, a top-rotating seat structure is often used to apply friction to the projectile, causing it to rotate and thus increasing lift based on the Magnus effect. However, when firing heavier projectiles such as steel balls, existing top-rotating seat structures reveal significant problems. On the one hand, insufficient friction makes it difficult to provide enough top-rotation force, preventing the projectile from achieving the desired rotation effect. On the other hand, heavy projectiles have high kinetic energy requirements, making it difficult to provide sufficient top-rotation force and airtightness, severely affecting aerodynamic efficiency and range, and limiting the applicability and performance of airguns when dealing with projectiles of different materials and weights. Therefore, top-rotating seat structures that can adjust friction according to the size and weight of the projectile have emerged, as shown in patent document CN120351806A. However, the aforementioned upper rotating seat structure has a problem where the tooth surface of the pressure regulating wheel faces the seat body of the upper rotating seat, that is, it is located on the upper or lower side of the upper rotating seat. This does not make full use of the side space of the upper rotating seat, resulting in the pressure regulating wheel structure protruding excessively outward from the upper rotating seat, thus encroaching on the layout space of other components. Utility Model Content

[0003] To address the aforementioned problems, the purpose of this utility model is to provide a novel voltage regulating structure.

[0004] This utility model is achieved by the following method: a novel pressure regulating structure, including a tube seat and a rubber sheet disposed in the tube seat, a pressure regulating component is installed on the tube seat, the pressure regulating component includes an extrusion block and a pressure regulating wheel, an installation part is provided on the tube seat opposite to the rubber sheet to movably install the extrusion block, the extrusion block can abut against the rubber sheet, the pressure regulating wheel is rotatably installed on the side of the tube seat, and a position on the pressure regulating wheel off its rotation axis is connected to the extrusion block to drive the extrusion block to approach or move away from the rubber sheet.

[0005] Preferably, the extrusion block is located on the upper side of the rubber sheet and extrudes against the upper side of the rubber sheet; or, the extrusion block is located on the lower side of the rubber sheet and extrudes against the lower side of the rubber sheet, and the side of the extrusion block is rotatably connected to the side of the pressure adjusting wheel.

[0006] Preferably, the extrusion block has a drive shaft on the side near the pressure regulating wheel, and the pressure regulating wheel has an arc-shaped drive groove on the side near the extrusion block; or, the extrusion block has an arc-shaped drive groove on the side near the pressure regulating wheel, and the pressure regulating wheel has a drive shaft on the side near the extrusion block; the drive shaft passes through the drive groove, and the axis of the drive groove is offset from the axis of the pressure regulating wheel.

[0007] Preferably, a limiting shaft is fixed in the tube seat, and a limiting groove is formed on the extrusion block, with the limiting shaft passing through the limiting groove; or, a limiting groove is formed on the tube seat, and a limiting shaft is provided on the extrusion block; the limiting shaft passes through the limiting groove; the longitudinal dimension of the limiting groove is larger than the diameter of the limiting shaft; and the limiting shaft avoids the transmission shaft.

[0008] Preferably, the inner hole of the tube seat is provided with a through-hole, the rubber is sleeved in the inner wall of the through-hole, and the side wall of the through-hole is provided with a clearance hole for the extrusion block and the rubber to abut against each other; the drive shaft is fixed to the through-hole.

[0009] Preferably, the outer surface of the feed tube is provided with a raised first connecting portion, the first connecting portion is located in the mounting portion, the first connecting portion has a limiting connecting groove, the limiting shaft is fixed in the limiting connecting groove, the extrusion block includes a transmission portion, a second connecting portion and an extrusion portion, the transmission portion and the second connecting portion form a U-shape, the open end faces the feed tube, the limiting groove is opened in the second connecting portion, the transmission shaft is located in the transmission portion, the extrusion portion is connected to the side of the second connecting portion adjacent to the transmission portion, the second connecting portion and the extrusion portion are located in the limiting connecting groove, the clearance hole communicates with the limiting connecting groove; the transmission portion is located outside the first connecting portion on the side close to the pressure adjusting wheel.

[0010] Preferably, the guide includes a left guide and a right guide, which are spliced ​​together. The first connecting part is composed of connecting pieces protruding from the outer walls of the left and right guides, respectively. The limiting connecting groove is located between the two connecting pieces. The two connecting pieces are spliced ​​together and closed at the ends facing the head of the tube seat. The mounting part is a notch that communicates with the tail of the tube seat and its inner hole.

[0011] Preferably, the width of the limiting connection groove is equal to the thickness of the second connection part; the inner hole of the through is provided with positioning rings at intervals, the clearance hole is opened on the wall surface between the two positioning rings, and the rubber is located between the two positioning rings.

[0012] Preferably, the surface of the extrusion block opposite to the rubber sheet is provided with a rubber column that abuts against the rubber sheet, and the rubber column is located at the clearance hole.

[0013] Preferably, the pressure regulating wheel is gear-shaped, and the side wall of the tube seat where the pressure regulating wheel is mounted is also provided with a spring piece. The spring piece is opposite to the pressure regulating wheel, and the surface of the spring piece facing the pressure regulating wheel is provided with a limiting protrusion. The limiting protrusion can be squeezed into the tooth groove of the pressure regulating wheel.

[0014] The beneficial effects of this utility model are as follows: This utility model provides a novel pressure regulating structure, which, compared with the prior art, has at least the following technical effects: 1. By rotating the pressure regulating wheel to the side of the pipe seat, it avoids the pressure regulating wheel encroaching on the upper or lower space of the pipe seat, leaving space for the installation of other components, making the overall space utilization of the equipment more reasonable. 2. The structure of the limiting shaft and the limiting groove can accurately limit the movement direction of the extrusion block, ensuring that the extrusion block can stably and reliably abut against the rubber, improving the adjustment accuracy and stability of the pressure regulating structure. 3. The structure of the gear-shaped pressure regulating wheel and the spring with the limiting protrusion can ensure that when the pressure regulating wheel rotates to the target position, the limiting protrusion on the spring is squeezed into the tooth groove of the pressure regulating wheel, positioning and locking the pressure regulating wheel, preventing the pressure regulating wheel from rotating due to vibration or other factors during equipment operation, ensuring the pressure stability of the pressure regulating structure, and avoiding pressure deviation that affects the operating effect of the equipment. Attached Figure Description

[0015] Figure 1 This is an exploded view of a novel pressure regulating structure according to this utility model.

[0016] Figure 2 This is a schematic diagram of a novel voltage regulating structure according to this utility model.

[0017] Figure 3 This is a schematic diagram showing the connection state of the extrusion block and the pressure regulating wheel in a novel pressure regulating structure according to this utility model.

[0018] Figure 4 This is a schematic diagram of the structure of the extrusion block without extruded rubber in a novel pressure regulating structure according to this utility model.

[0019] Figure 5 This is a schematic diagram of the extrusion block extruding rubber of a novel pressure regulating structure according to this utility model.

[0020] Explanation of reference numerals: 1. Tube seat; 2. Rubber sheet; 3. Extrusion block; 31. Transmission part; 32. Second connecting part; 33. Extrusion part; 4. Pressure adjusting wheel; 5. Transmission shaft; 6. Limiting shaft; 7. Limiting groove; 8. Pass; 81. Pass left; 82. Pass right; 9. Clearance hole; 10. First connecting part; 11. Limiting connecting groove; 12. Rubber column; 13. Spring piece; 14. Rear cover; 15. Transmission groove. Detailed Implementation

[0021] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0022] Please see Figures 1 to 5A novel pressure regulating structure includes a tube seat 1 and a rubber sheet 2 disposed within the tube seat 1. A pressure regulating assembly is mounted on the tube seat 1, comprising a pressing block 3 and a pressure regulating wheel 4. The pressing block 3 is movably mounted on the tube seat 1 at a position opposite to the rubber sheet 2, allowing it to abut against the rubber sheet 2. The pressure regulating wheel 4 is rotatably mounted on the side of the tube seat 1, with a position offset from its axis of rotation connected to the pressing block 3 to drive the pressing block 3 closer to or further away from the rubber sheet. Rotating the pressure regulating wheel 4 to the side of the tube seat 1 avoids it encroaching on the upper or lower space of the tube seat 1, leaving space for installing other components and making more efficient use of the overall equipment space.

[0023] Please see Figures 1 to 5 Preferably, the extrusion block 3 is located on the upper side of the rubber sheet 2, extruding against the upper side of the rubber sheet 2; or, the extrusion block 3 is located on the lower side of the rubber sheet 2, extruding against the lower side of the rubber sheet 2, and the side of the extrusion block 3 is rotatably connected to the side of the pressure regulating wheel 4. The installation position of the extrusion block 3 can be flexibly selected according to the overall layout of the pipe seat 1 and the actual pressure regulating requirements, thereby improving the adaptability of the structure.

[0024] Please see Figures 1 to 5 Preferably, the extrusion block 3 has a drive shaft 5 on its side near the pressure regulating wheel 4, and the pressure regulating wheel 4 has an arc-shaped drive groove 15 on its side near the extrusion block 3; or, the extrusion block 3 has an arc-shaped drive groove 15 on its side near the pressure regulating wheel 4, and the pressure regulating wheel 4 has a drive shaft 5 on its side near the extrusion block 3; the drive shaft 5 passes through the drive groove, and the axis of the drive groove is offset from the axis of the pressure regulating wheel. This achieves a reliable connection between the extrusion block 3 and the pressure regulating wheel 4, ensuring that the rotation of the pressure regulating wheel 4 can be stably transmitted to the extrusion block 3, and the arc-shaped drive groove 15 offset from the pressure regulating wheel can push the extrusion block to move up and down after the pressure regulating wheel rotates.

[0025] Please see Figures 1 to 5 Preferably, a limiting shaft 6 is fixed in the tube seat 1, and a limiting groove 7 is formed on the extrusion block 3, with the limiting shaft 6 passing through the limiting groove 7; or, a limiting groove 7 is formed on the tube seat 1, and a limiting shaft 6 is provided on the extrusion block 3; the limiting shaft 6 passes through the limiting groove 7; the longitudinal dimension of the limiting groove 7 is larger than the diameter of the limiting shaft 6; the limiting shaft 6 avoids the transmission shaft 5. The structure of the limiting shaft 6 cooperating with the limiting groove 7 can achieve precise limiting of the longitudinal movement direction of the extrusion block 3, ensuring that the extrusion block 3 can stably abut against the rubber 2, and improving the adjustment accuracy and stability of the pressure regulating structure.

[0026] Please see Figures 1 to 5Preferably, the inner hole of the tube seat 1 is provided with a guide 8, the rubber sheet 2 is sleeved in the inner wall of the guide 8, and a clearance hole 9 is provided on the side wall of the guide 8 to allow the extrusion block 3 and the rubber sheet 2 to abut against each other; the drive shaft 5 is fixed to the guide 8. This provides stable support for the rubber sheet 2, and at the same time, the clearance hole 9 provides working space for the extrusion block 3, enabling the extrusion block 3 to accurately act on the target position on the rubber sheet 2. Furthermore, when the extrusion block 3 moves away from the rubber sheet 2, the space inside the guide 8 ensures that the rubber sheet 2 has sufficient space to reset.

[0027] Please see Figures 1 to 5 Preferably, the outer surface of the guide 8 is provided with a raised first connecting portion 10, which is located in the mounting portion. The first connecting portion 10 has a limiting connecting groove 11, and the limiting shaft 6 is fixed in the limiting connecting groove 11. The extrusion block 3 includes a transmission portion 31, a second connecting portion 32, and an extrusion portion 33. The transmission portion 31 and the second connecting portion 32 form a U-shape, with the open end facing the guide 8. The limiting groove 7 is opened in the second connecting portion 32. The transmission shaft 5 is located in the transmission portion 31. The extrusion portion 33 is connected to the side of the second connecting portion 32 adjacent to the transmission portion 31. The second connecting portion 32 and the extrusion portion 33 are located in the limiting connecting groove 11. The clearance hole 9 communicates with the limiting connecting groove 11. The transmission portion 31 is located outside the first connecting portion 10, near the pressure adjusting wheel. This makes the installation of the extrusion block 3 more compact, making full use of space. At the same time, the limiting connecting groove 11 further limits the extrusion block 3, improving structural stability.

[0028] Please see Figures 1 to 5 Preferably, the guide tube 8 includes a left guide tube 81 and a right guide tube 82, which are spliced ​​together. The first connecting part 10 is formed by connecting pieces protruding from the outer walls of the left and right guide tubes 81 and 82, respectively. A limiting connecting groove 11 is located between the two connecting pieces, and the ends of the two connecting pieces facing the head of the tube seat 1 are spliced ​​together and closed. The mounting part is a notch that communicates with the tail of the tube seat 1 and its inner hole. This facilitates the installation of the rubber 2 on the inner wall of the guide tube 8 and the overall installation of the guide tube 8 into the tube seat 1, reducing assembly difficulty and improving assembly efficiency. The tail is the side where the projectile enters, and a rear cover 14 is provided at the tail end of the tube seat 1 to limit and fix the guide tube 8 in the inner hole of the tube seat 1.

[0029] Please see Figures 1 to 5Preferably, the width of the limiting connecting groove 11 is equal to the thickness of the second connecting part 32 to prevent the extrusion block 3 from swaying left and right; the inner hole of the through 8 is provided with positioning rings at intervals, the clearance hole 9 is opened on the wall between the two positioning rings, the rubber 2 is located between the two positioning rings, and the positioning rings on the through 8 play an axial limiting role for the rubber 2, ensuring that the rubber 2 is always within the range of action of the extrusion block 3.

[0030] Please see Figures 1 to 5 Preferably, the surface of the extrusion block 3 opposite to the rubber sheet 2 is provided with rubber pillars 12 that abut against the rubber sheet 2, and the rubber pillars 12 are located at the relief hole 9. This acts as a buffer between the extrusion block 3 and the rubber sheet 2, preventing damage to the rubber sheet 2 from hard contact, while also improving the contact sealing between the two to ensure the pressure regulating effect.

[0031] Please see Figures 1 to 5 Preferably, the pressure regulating wheel is gear-shaped, and the side wall of the tube seat 1 on which the pressure regulating wheel is mounted is also provided with a spring plate 13. The spring plate 13 is opposite to the pressure regulating wheel, and the surface of the spring plate 13 facing the pressure regulating wheel has a limiting protrusion that can be squeezed into the tooth groove of the pressure regulating wheel. The structure of the gear-shaped pressure regulating wheel cooperating with the spring plate 13 with the limiting protrusion can realize that when the pressure regulating wheel 4 rotates to the target position, the limiting protrusion on the spring plate 13 squeezes into the tooth groove of the pressure regulating wheel to position and lock the pressure regulating wheel 4, preventing the pressure regulating wheel 4 from rotating due to vibration or other factors during equipment operation, ensuring the pressure stability of the pressure regulating structure, and avoiding pressure deviation that affects the operating effect of the equipment.

[0032] The working principle of this utility model is as follows: Rotating the pressure regulating wheel 4 moves the extrusion block 3 closer to the rubber 2. The rubber column 12 on the extrusion block 3 passes through the relief hole 9 on the through 8 and abuts against the rubber 2. As the pressure regulating wheel 4 continues to rotate, the extrusion block 3 gradually increases the extrusion pressure on the rubber 2, and the rubber 2 undergoes elastic deformation, thereby changing the pressure inside the tube seat 1. If it is necessary to reduce the pressure, rotate the pressure regulating wheel 4 in the opposite direction. Under the action of the elastic restoring force of the rubber 2, the extrusion block 3 moves away from the rubber 2, the extrusion pressure decreases, and the pressure inside the tube seat 1 decreases accordingly.

[0033] During the rotation of the pressure regulating wheel 4, the spring piece 13 on the side wall of the tube seat 1 is always in contact with the gear surface of the pressure regulating wheel 4. When the pressure regulating wheel 4 rotates to the target position, the limiting protrusion on the spring piece 13 is squeezed into the corresponding tooth groove of the pressure regulating wheel 4 under its own elasticity, positioning and locking the pressure regulating wheel 4 to prevent it from rotating during equipment operation. At the same time, the positioning ring on the pass 8 plays an axial limiting role on the rubber 2, ensuring that the rubber 2 is always within the range of action of the extrusion block 3. The split structure of the pass 8 facilitates quick disassembly and assembly during maintenance, improving maintenance efficiency. Throughout the entire working process, the various components work together to achieve precise, stable, and convenient pressure regulation operation, and the space above the tube seat 1 is effectively freed up, facilitating the overall structural optimization and functional expansion of the equipment.

[0034] Several points should be noted: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installation", "connection" and "linkage" should be interpreted broadly, and can be mechanical or electrical connection, or internal connection between two components, or direct connection. "Up", "down", "left", "right", etc. are only used to indicate relative positional relationship. When the absolute position of the described object changes, the relative positional relationship may change.

[0035] Secondly: The accompanying drawings of the embodiments disclosed in this utility model only involve the structures involved in the embodiments disclosed in this utility model. Other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of this utility model can be combined with each other.

[0036] Finally, the above description is only a preferred embodiment of the present utility model. The protection scope of the present utility model is not limited to the above embodiments. All technical solutions that fall within the scope of the present utility model are protected by the present utility model.

[0037] It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principles of this utility model should also be considered within the scope of protection of this utility model.

Claims

1. A novel pressure regulating structure, comprising a tube seat and a rubber sheet disposed within the tube seat, characterized in that: A pressure regulating assembly is installed on the tube seat. The pressure regulating assembly includes an extrusion block and a pressure regulating wheel. The extrusion block is movably mounted on the tube seat at a position opposite to the rubber. The extrusion block can abut against the rubber. The pressure regulating wheel is rotatably mounted on the side of the tube seat. A position on the pressure regulating wheel that is off-center from its rotation axis is connected to the extrusion block to drive the extrusion block to approach or move away from the rubber.

2. The novel voltage regulating structure according to claim 1, characterized in that: The extrusion block is located on the upper side of the rubber sheet and presses against the upper side of the rubber sheet; or, the extrusion block is located on the lower side of the rubber sheet and presses against the lower side of the rubber sheet, and the side of the extrusion block is rotatably connected to the side of the pressure adjusting wheel.

3. The novel voltage regulating structure according to claim 2, characterized in that: The extrusion block has a drive shaft on its side near the pressure regulating wheel, and the pressure regulating wheel has an arc-shaped drive groove on its side near the extrusion block; or, the extrusion block has an arc-shaped drive groove on its side near the pressure regulating wheel, and the pressure regulating wheel has a drive shaft on its side near the extrusion block; the drive shaft passes through the drive groove, and the axis of the drive groove is offset from the axis of the pressure regulating wheel.

4. The novel voltage regulating structure according to claim 3, characterized in that: A limiting shaft is fixed in the tube seat, and a limiting groove is formed on the extrusion block, with the limiting shaft passing through the limiting groove; or, a limiting groove is formed on the tube seat, and a limiting shaft is provided on the extrusion block; the limiting shaft passes through the limiting groove; the longitudinal dimension of the limiting groove is greater than the diameter of the limiting shaft; the limiting shaft avoids the transmission shaft.

5. A novel voltage regulating structure according to claim 4, characterized in that: The inner hole of the tube seat is provided with a through-hole, the rubber is sleeved in the inner wall of the through-hole, and a clearance hole is opened on the side wall of the through-hole to allow the extrusion block and the rubber to abut against each other; the drive shaft is fixed on the through-hole.

6. The novel voltage regulating structure according to claim 5, characterized in that: The outer surface of the feed tube is provided with a raised first connecting part, which is located in the mounting part. The first connecting part has a limiting connecting groove, and the limiting shaft is fixed in the limiting connecting groove. The extrusion block includes a transmission part, a second connecting part, and an extrusion part. The transmission part and the second connecting part form a U-shape, with the open end facing the feed tube. The limiting groove is opened in the second connecting part. The transmission shaft is located in the transmission part. The extrusion part is connected to the side of the second connecting part adjacent to the transmission part. The second connecting part and the extrusion part are located in the limiting connecting groove. The clearance hole communicates with the limiting connecting groove. The transmission part is located outside the first connecting part on the side close to the pressure adjusting wheel.

7. A novel voltage regulating structure according to claim 6, characterized in that: The via includes a left via and a right via, which are spliced ​​together. The first connecting part is composed of connecting pieces protruding from the outer walls of the left and right vias, respectively. The limiting connecting groove is located between the two connecting pieces. The two connecting pieces are spliced ​​together and closed at the ends facing the head of the tube seat. The mounting part is a notch that communicates with the tail of the tube seat and its inner hole.

8. A novel voltage regulating structure according to claim 6, characterized in that: The width of the limiting connection groove is equal to the thickness of the second connection part; the inner hole of the through is provided with positioning rings at intervals, the clearance hole is opened on the wall between the two positioning rings, and the rubber is located between the two positioning rings.

9. A novel voltage regulating structure according to claim 6, characterized in that: The surface of the extrusion block opposite to the rubber sheet has rubber pillars that abut against the rubber sheet, and the rubber pillars are located at the clearance holes.

10. A novel voltage regulating structure according to claim 1, characterized in that: The pressure regulating wheel is gear-shaped, and a spring is provided on the side wall of the tube seat where the pressure regulating wheel is mounted. The spring is opposite to the pressure regulating wheel, and a limiting protrusion is provided on the surface of the spring facing the pressure regulating wheel. The limiting protrusion can be squeezed into the tooth groove of the pressure regulating wheel.

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