An air tightness detection device for football production and processing

Abstract

The present invention discloses an air tightness detection device for football production and processing, comprising a liquid storage box for storing liquid, wherein a U-shaped frame is fixedly connected to the top of the liquid storage box, and fixed frames are fixedly connected to symmetrical positions at both ends of the U-shaped frame near the top, and threaded rods are penetrated and rotatably connected to the fixed frames, and one end of the threaded rod away from the fixed frame penetrates the U-shaped frame and is movably connected, and the opposite ends of the two threaded rods are fixedly connected to spline shafts, and circular plates are sleeved on the outer contour of the spline shafts, and a circular shell is rotatably connected to the outer contour of the circular plate away from one end of the threaded rod, and conical shells for positioning the football are fixedly connected to the symmetrical positions of the opposite surfaces of the two circular shells, a clamping mechanism for clamping and positioning the football is provided on the circular shell, and a pressurizing mechanism for increasing the internal air pressure of the football is provided on the U-shaped frame. The present application has the functions of increasing the internal air pressure of the football and improving the accuracy of the air tightness detection of the football.

Description

Technical Field

[0001] The invention relates to the technical field of air tightness detection for football production and processing, and in particular to an air tightness detection device for football production and processing. Background Art

[0002] Football is a sport that mainly relies on the feet to control and dominate the ball. Two teams attack and defend against each other on the same rectangular field according to certain rules. After the football is produced, the air tightness of the football needs to be tested. The existing method for testing the air tightness of the football is to manually hold the football, find the inflation hole of the football, and use soapy water or other solutions to apply on the surface of the inflation hole to observe whether the football is leaking. This method has low detection efficiency, requires a lot of labor, and increases production costs.

[0003] The existing Chinese patent number CN117571214A discloses an automatic air tightness detection device for a football, comprising an elliptical glass cylinder with an overall vertical tubular structure, a barrel bottom fixed to the bottom of the elliptical glass cylinder, and a cover plate fixed to the top barrel mouth of the elliptical glass cylinder near the rear side, a support frame fixed to the top of the cover plate at the short axis of the elliptical glass cylinder, and an inclined bearing seat fixed to the end of the support frame away from the cover plate. The present invention can hold the football body tightly in it when in use, and this fixing method can drive the football body to rotate in place as long as a surface tangential force is applied to the football body when the whole body is immersed in water, and the contact point position with the wheel and the ball can be changed, so that the surface of the football body can be fully tested for air tightness.

[0004] When the above device is in use, the three-dimensional closed space composed of three arc-shaped pressure rods and the top cap is set up, so that the football body can be tightly held therein during use, and this fixing method can drive the football body to rotate in situ as long as a surface tangential force is applied to the football body when the whole is immersed in water, and the contact point position with the wheel and the ball can be changed, so that the surface of the football body can be fully tested for air tightness. However, in actual use, when the air pressure inside the football is low and it is placed in water, it makes it difficult for the air inside the football to overflow through the leakage point. Therefore, it is difficult to increase the air pressure inside the football when performing air tightness testing on the football, which affects the accuracy of the air tightness testing of the football.

[0005] Therefore, we proposed an air tightness detection device for football production and processing. Summary of the invention

[0006] The purpose of the present invention is to provide an air tightness detection device for football production and processing, which has the advantage of being able to increase the internal air pressure of the football when performing air tightness detection on the football, thereby solving the problems in the background technology.

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an air tightness detection device for football production and processing, comprising a liquid storage box for storing liquid, a U-shaped frame fixedly connected to the top of the liquid storage box, fixed frames fixedly connected to the symmetrical positions at both ends of the U-shaped frame near the top, threaded rods penetrated and rotatably connected to the fixed frames, and one end of the threaded rod away from the fixed frame penetrates the U-shaped frame and is movably connected, the opposite ends of the two threaded rods are fixedly connected to spline shafts, the outer contour of the spline shaft is sleeved with a circular plate, the outer contour of the circular plate away from the end of the threaded rod is rotatably connected to a circular shell, the symmetrical positions of the opposite surfaces of the two circular shells are fixedly connected to conical shells for positioning the football, the circular shell is provided with a clamping mechanism for clamping and positioning the football, and the U-shaped frame is provided with a pressurizing mechanism for increasing the internal air pressure of the football;

[0008] The pressurizing mechanism comprises a cylindrical shell which is penetrated and movably connected to the positions corresponding to the threaded rods on both sides of the U-shaped frame, and the cylindrical shells are penetrated and movably connected to each other for horizontal reciprocating movement, and the cylindrical shells are penetrated and movably connected to each other by the threaded rods, and an annular plate is rotatably connected to the outer contour of the cylindrical shell near one end of the U-shaped frame, and a spring for pressurizing the football is fixedly connected to the opposite surface of the annular plate and the circular plate;

[0009] One end of the two columnar shells close to the U-shaped frame is fixedly connected with a threaded sleeve, and the inner wall of the threaded sleeve is screwed to the threaded rod. The columnar shell is provided with a spray mechanism for spraying liquid on the surface of the football.

[0010] Preferably, the clamping mechanism includes a plurality of evenly placed through grooves on opposite surfaces of a circular shell, and the through grooves are connected to the circular plate, the inner walls of the through grooves are movably connected with rectangular sliders, and each of the rectangular sliders is rotatably connected to a clamping claw for clamping the surface of the football at one end close to the center of the circular shell through a pin shaft, one side of the clamping claw is coaxially fixedly connected with a transmission gear, and the side of the circular shell close to the transmission gear is fixedly connected with a tooth plate for meshing with the transmission gear.

[0011] Preferably, a gear ring is fixedly connected to the outer contour of the circular plate away from the circular shell at one end, and rotating rods driven by a power mechanism for reciprocating rotation are penetrated and rotatably connected on the opposite surfaces of the U-shaped frame on both sides, and incomplete gears for meshing transmission with the gear ring are fixedly connected to the symmetrical positions on both sides of the rotating rod close to the center position, and vortex grooves are provided on the opposite surfaces of the two circular plates, and a limiting block is movably connected to the position of the inner wall of each vortex groove corresponding to the rectangular slider, and each of the limiting blocks is fixedly connected to the rectangular slider at one end away from the vortex groove, and the above-mentioned power mechanism is a motor after power is turned on.

[0012] Preferably, the liquid spraying mechanism comprises a liquid inlet pipe and a liquid discharge pipe which are penetrated and fixedly connected at symmetrical positions on both sides of the cylindrical shell away from one end of the threaded sleeve, and both ends of the U-shaped frame are penetrated and fixedly connected with a nozzle, the ends of the two liquid discharge pipes away from the cylindrical shell are respectively connected to and fixedly connected with the nozzle, and the ends of the liquid inlet pipes away from the cylindrical shell are placed on the inner wall of the liquid storage tank.

[0013] Preferably, a piston plate for extracting and discharging the liquid inside the liquid storage tank is fixedly connected to the outer contour of the threaded rod on the inner wall of one end of each cylindrical shell near the threaded sleeve, and a one-way liquid inlet valve and a one-way liquid discharge valve for quantitatively extracting and discharging the water source inside the liquid storage tank are fixedly connected to the inner wall of each side of the liquid inlet pipe and the liquid discharge pipe near one end of the cylindrical shell.

[0014] Preferably, the threaded rod is provided with an auxiliary mechanism for detecting leakage points of the football inside the conical shell, and the auxiliary mechanism includes interconnected holes and grooves on each side of the threaded rod and the spline shaft, and the outer contour of each threaded rod at a symmetrical position on one side close to the piston plate penetrates through the inner wall of the hole and groove and is fixedly connected with a connecting pipe, and the end of the connecting tube away from the threaded rod is in contact with the inner wall of the cylindrical shell.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] As the two conical shells support and position the football, the incomplete gear drives the gear ring and the circular plate to rotate intermittently in the D direction synchronously. At this time, the spline shaft can drive the threaded rod on the fixed frame to rotate synchronously in the D direction under the action of the circular plate. Through the vortex groove opened on the circular plate and the limit block set on the vortex groove, the limit block can pull the rectangular slider along the through groove to move synchronously toward the center position of the circular shell under the action of the vortex groove, and the rectangular slider drives the clamping claw and the transmission gear to move synchronously. As the transmission gear and the tooth plate are meshed and transmitted, the transmission gear can drive the clamping claw to rotate in the direction away from the circular shell under the action of the tooth plate, so that the clamping claw contacts the surface of the football for clamping and fixing, thereby improving the stability of the football. When the rectangular slider moves to the limit distance close to the center position of the circular shell, the circular plate can drive the circular shell to rotate intermittently in the D direction synchronously, so that the clamping claw drives the football on the conical shell to rotate intermittently under the action of the circular shell, so as to facilitate the subsequent air tightness detection of the football.

[0017] 2. As the spline shaft drives the threaded rod to rotate in the direction of D, the cylindrical shell drives the annular plate to move in the direction close to the circular plate under the action of the threaded sleeve. At this time, the spring is squeezed and contracted under the action of the annular plate, so that the circular plate can squeeze the conical shell on the circular shell on both sides of the football, and the pressure of the spring gradually increases as the circular plate rotates in the direction of D, so that the air pressure inside the football gradually increases under the squeezing of the conical shell, which can accelerate the outflow of the gas inside the football from the leakage point, so that personnel can more easily find the leakage point on the surface of the football later.

[0018] 3. When the cylindrical shell moves toward the direction close to the circular plate, the internal air pressure of the cylindrical shell close to one end of the liquid inlet pipe is positive, and the one-way liquid inlet valve provided on the liquid inlet pipe and the one-way liquid discharge valve provided on the liquid discharge pipe, at this time, the one-way liquid inlet valve is in a closed state, and the one-way liquid discharge valve is in an open state, so that the liquid discharge pipe can discharge the polyvinyl alcohol solution inside the cylindrical shell to the surface of the football through the nozzle, and the gear ring drives the football to rotate intermittently under the action of the incomplete gear. When the incomplete gear drives the football in a stationary state to rotate, the polyvinyl alcohol solution on the surface of the football can be evenly distributed on the surface of the football under the action of inertia to form a continuous film, and the viscosity of the polyvinyl alcohol solution causes bubbles to be generated at the leakage point on the surface of the football. When the incomplete gear is out of contact with the gear ring, the football is in a stationary state, so that personnel can check the leakage point on the surface of the football. As the internal air pressure of the football is gradually increased under the action of the booster mechanism, the bubbles at the leakage point on the surface of the football can be made more obvious, further improving the accuracy of the air tightness detection of the football.

[0019] 4. When a leakage point appears on the surface of the football inside the conical shell, the air at the leakage point can be stored inside the hole groove, and the end of the connecting tube away from the threaded rod is tightly fitted and movably connected to the inside of the cylindrical shell. When the cylindrical shell moves to the limit distance in the direction close to the circular plate, the connecting tube is connected to the drain pipe, so that the drain pipe can discharge the air inside the hole groove into the inside of the nozzle, so that bubbles will appear at the outlet of the nozzle away from the end of the drain pipe under the action of air, further improving the accuracy of the football air tightness detection and avoiding the blind spots on both sides of the football inside the conical shell, which affect the accuracy of the detection results.

[0020] The coordinated use of the above-mentioned structure solves the problem that, in actual use, when the air pressure inside the football is low and the football is placed in water, the air inside the football is difficult to escape through the leakage point. Therefore, it is difficult to increase the air pressure inside the football when performing air tightness testing on the football, which affects the accuracy of the air tightness testing of the football. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0022] Figure 2 It is a cross-sectional schematic diagram of the three-dimensional structure of the present invention;

[0023] Figure 3 It is a cross-sectional schematic diagram of the three-dimensional structure of the circular shell of the present invention;

[0024] Figure 4 This is a schematic diagram of the three-dimensional structure of the position where the limit block of the present invention is located;

[0025] Figure 5 It is a cross-sectional schematic diagram of the three-dimensional structure of the cylindrical shell of the present invention;

[0026] Figure 6 For the present invention Figure 3 Schematic diagram of the structure at A in the middle;

[0027] Figure 7 For the present invention Figure 2 Schematic diagram of the structure at B in the middle;

[0028] Figure 8 For the present invention Figure 2 Schematic diagram of the structure at C in the middle;

[0029] Fig. 9 It is a schematic cross-sectional view of the three-dimensional structure of the threaded rod of the present invention.

[0030] In the figure: 1, liquid storage box; 2, U-shaped frame; 3, fixed frame; 4, threaded rod; 5, spline shaft; 501, hole groove; 6, circular plate; 601, vortex groove; 7, rotating rod; 8, circular shell; 801, through groove; 9, conical shell; 10, rectangular slider; 11, clamping claw; 12, transmission gear; 13, tooth plate; 14, gear ring; 15, incomplete gear; 16, cylindrical shell; 17, threaded sleeve; 18, ring plate; 19, spring; 20, liquid inlet pipe; 201, one-way liquid inlet valve; 21, liquid discharge pipe; 211, one-way liquid discharge valve; 22, nozzle; 23, piston plate; 24, connecting pipe; 25, limit block. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] Embodiment 1:

[0033] See also Figures 1 to 9The present invention provides a technical solution: an air tightness detection device for football production and processing, comprising a liquid storage box 1 for storing liquid, a U-shaped frame 2 is fixedly connected to the top of the liquid storage box 1, and fixed frames 3 are fixedly connected to the symmetrical positions at both ends of the U-shaped frame 2 near the top, and threaded rods 4 are penetrated and rotatably connected to the fixed frames 3, and the end of the threaded rod 4 away from the fixed frame 3 penetrates the U-shaped frame 2 and is movably connected, and the opposite ends of the two threaded rods 4 are fixedly connected to spline shafts 5, and circular plates 6 are sleeved on the outer contours of the spline shafts 5, and circular shells 8 are rotatably connected to the outer contours of the circular plates 6 away from the end of the threaded rods 4, and conical shells 9 for positioning the football are fixedly connected to the symmetrical positions of the opposite surfaces of the two circular shells 8, and a clamping mechanism for clamping and positioning the football is provided on the circular shell 8 and a pressurizing mechanism for increasing the internal air pressure of the football is provided on the U-shaped frame 2.

[0034] In the above content, the liquid in the liquid storage tank 1 is a high-viscosity polyvinyl alcohol solution;

[0035] When in use, a liquid storage box 1 is set, and the polyvinyl alcohol solution is first stored in the liquid storage box 1. The U-shaped frame 2 is provided on the liquid storage box 1, and the fixed frame 3 is provided on the U-shaped frame 2. The U-shaped frame 2 fixes and supports the fixed frame 3 on the liquid storage box 1. The threaded rod 4 is provided on the fixed frame 3, so that the threaded rod 4 is rotatably connected on the fixed frame 3. The spline shaft 5 is provided on the threaded rod 4, and the spline shaft 5 is coaxially fixedly connected with the threaded rod 4. The circular plate 6 is provided on the spline shaft 5, so that the circular plate 6 can be axially reciprocated on the spline shaft 5. The circular plate 6 is provided on the spline shaft 5. The circular shell 8 is rotatably connected to the outer contour of the circular plate 6. Through the conical shell 9 set on the circular shell 8, a person places the football between the two conical shells 9, which can support and position the football. Through the clamping mechanism set on the circular shell 8, the clamping mechanism can clamp and fix the football on the conical shell 9 and drive the conical shell 9 to rotate. The boosting mechanism set on the U-shaped frame 2 allows the boosting mechanism to squeeze the football, which can increase the air pressure inside the football, so as to facilitate the subsequent air tightness test of the football.

[0036] The boosting mechanism includes a cylindrical shell 16 that is penetrated and movably connected to the positions corresponding to the threaded rod 4 on both sides of the U-shaped frame 2 and can move back and forth horizontally, and the cylindrical shell 16 is penetrated and movably connected by the threaded rod 4, and an annular plate 18 is rotatably connected to the outer contour of the cylindrical shell 16 near one end of the U-shaped frame 2, and a spring 19 for boosting the football is fixedly connected to the opposite surface of the annular plate 18 and the circular plate 6.

[0037] The two cylindrical shells 16 are fixedly connected to one end close to the U-shaped frame 2 with a threaded sleeve 17, and the inner wall of the threaded sleeve 17 is screwed to the threaded rod 4. The cylindrical shell 16 is provided with a spray mechanism for spraying liquid on the surface of the football.

[0038] When in use, the cylindrical housing 16 is arranged on the U-shaped frame 2, and the cylindrical housing 16 is connected to the U-shaped frame 2 for horizontal reciprocating movement. The annular plate 18 is arranged on the cylindrical housing 16, and the spring 19 is arranged on the annular plate 18, so that the spring 19 can support the circular plate 6. At the same time, the conical housing 9 can synchronously drive the annular plate 18 to rotate synchronously on the outer contour of the cylindrical housing 16 along with the circular plate 6. The threaded sleeve 17 is arranged on the cylindrical housing 16, and the threaded sleeve 17 is screwed with the threaded rod 4, and the spline shaft 5 drives the threaded rod 4 toward the D direction. When rotating along a fixed axis, the cylindrical shell 16 drives the annular plate 18 to move toward the direction close to the circular plate 6 under the action of the threaded sleeve 17. At this time, the spring 19 is squeezed and contracted under the action of the annular plate 18, so that the circular plate 6 can squeeze the conical shell 9 on the circular shell 8 on both sides of the football, and the pressure of the spring 19 gradually increases as the circular plate 6 rotates toward the D direction, so that the air pressure inside the football gradually increases under the squeezing of the conical shell 9, which can accelerate the outflow of the internal gas of the football from the leakage point, so that personnel can more easily find the leakage point on the surface of the football later.

[0039] When the spline shaft 5 drives the threaded rod 4 to rotate in the direction opposite to D, it performs a reset movement in the direction opposite to the above structure.

[0040] Embodiment 2:

[0041] See also Figure 3 , Figure 4 and Figure 6 On the basis of the first embodiment, further:

[0042] The clamping mechanism includes a plurality of evenly placed through grooves 801 on opposite surfaces of a circular shell 8, and the through grooves 801 are connected to the circular plate 6, and the inner walls of the through grooves 801 are movably connected with rectangular sliders 10, and each of the rectangular sliders 10 is rotatably connected to a clamping claw 11 for clamping the surface of a football through a pin at one end close to the center of the circular shell 8, and a transmission gear 12 is coaxially fixedly connected to one side of the clamping claw 11, and a tooth plate 13 that meshes with the transmission gear 12 is fixedly connected to one side of the circular shell 8 close to the transmission gear 12.

[0043] A gear ring 14 is fixedly connected to the outer contour of the end of the circular plate 6 away from the circular shell 8, and rotating rods 7 driven by a power mechanism for reciprocating rotation are penetrated and rotatably connected on the opposite surfaces of the U-shaped frame 2 on both sides, and incomplete gears 15 that mesh with the gear ring 14 are fixedly connected to the symmetrical positions on both sides of the rotating rod 7 near the center position. Vortex grooves 601 are opened on the opposite surfaces of the two circular plates 6, and a limiting block 25 is movably connected to the inner wall of each vortex groove 601 at a position corresponding to the rectangular slider 10, and each limit block 25 is fixedly connected to the rectangular slider 10 at one end away from the vortex groove 601, and the above-mentioned power mechanism is a motor after power is turned on.

[0044] When in use, through the through groove 801 opened on the circular shell 8 and the rectangular slider 10 arranged on the inner wall of the through groove 801, the through groove 801 limits the movement of the rectangular slider 10, through the clamping claw 11 arranged on the rectangular slider 10 and the transmission gear 12 arranged on the clamping claw 11, along with the transmission gear 12 being coaxially fixedly connected with the clamping claw 11, the clamping claw 11 and the transmission gear 12 can be synchronously rotated and connected on the rectangular slider 10, and through the toothed plate 13 arranged on the circular shell 8, the toothed plate 13 and the teeth on the transmission gear 12 are meshed with each other, and through the toothed ring 14 arranged on the circular plate 6 and the incomplete gear 15 arranged on the rotating rod 7, the incomplete gear 15 can mesh with the teeth on the toothed ring 14 for transmission, and the motor drives the rotating rod 7 and the incomplete gear 15 to perform fixed-axis reciprocating rotation on the U-shaped frame 2, so that the toothed ring 14 can drive the circular plate 6 to perform intermittent reciprocating rotation on the circular shell 8 under the action of the incomplete gear 15.

[0045] As the two conical shells 9 support and position the football, the incomplete gear 15 drives the gear ring 14 and the circular plate 6 to rotate intermittently in the direction of D synchronously. At this time, the spline shaft 5 can drive the threaded rod 4 to rotate synchronously in the direction of D on the fixed frame 3 under the action of the circular plate 6. Through the vortex groove 601 opened on the circular plate 6 and the limit block 25 set on the vortex groove 601, the limit block 25 can pull the rectangular slider 10 along the through groove 801 to move synchronously toward the center position of the circular shell 8 under the action of the vortex groove 601, and the rectangular slider 10 drives the clamping jaw 11 and the transmission gear 12 to move synchronously. As the transmission gear 12 and the tooth plate 13 are meshed for transmission, the transmission gear 12 can drive the clamping jaw 11 to rotate in the direction away from the circular shell 8 under the action of the tooth plate 13, so that the clamping jaw 11 contacts the surface of the football for clamping and fixing, thereby improving the stability of the football.

[0046] When the rectangular slider 10 moves to the extreme distance close to the center position of the circular shell 8, the circular plate 6 can drive the circular shell 8 to rotate intermittently in the direction of D synchronously, so that the clamp 11 drives the football on the conical shell 9 to rotate intermittently under the action of the circular shell 8, so as to facilitate the subsequent air tightness detection of the football.

[0047] When the incomplete gear 15 drives the gear ring 14 and the cylindrical housing 16 to rotate in the direction opposite to D, they are reset in the direction opposite to the above structure, so that subsequent personnel can remove the football after inspection.

[0048] Embodiment three:

[0049] See also Figure 2 , Figure 3 , Figure 5 ,and Figure 7 On the basis of the second embodiment, further:

[0050] The liquid spraying mechanism includes a liquid inlet pipe 20 and a liquid discharge pipe 21 which are penetrated and fixedly connected at symmetrical positions on both sides of the cylindrical shell 16 away from the threaded sleeve 17, and both ends of the U-shaped frame 2 are penetrated and fixedly connected with a nozzle 22, and the ends of the two liquid discharge pipes 21 away from the cylindrical shell 16 are respectively connected to and fixedly connected with the nozzle 22, and the ends of the liquid inlet pipe 20 away from the cylindrical shell 16 are placed on the inner wall of the liquid storage box 1.

[0051] A piston plate 23 for extracting and discharging the liquid inside the liquid storage box 1 is fixedly connected to the outer contour of the threaded rod 4 on the inner wall of one end of each cylindrical shell 16 close to the threaded sleeve 17, and a one-way liquid inlet valve 201 and a one-way liquid discharge valve 211 for quantitatively extracting and discharging the water source inside the liquid storage box 1 are fixedly connected to the inner wall of each side of the liquid inlet pipe 20 and the liquid discharge pipe 21 close to one end of the cylindrical shell 16.

[0052] When in use, through the liquid inlet pipe 20 and the nozzle 22 arranged on the cylindrical shell 16, and the nozzle 22 arranged on the U-shaped frame 2, the liquid discharge pipe 21 is connected and fixedly connected with the nozzle 22, and the end of the liquid inlet pipe 20 away from the cylindrical shell 16 is located in the polyvinyl alcohol solution inside the liquid storage box 1, and through the piston plate 23 arranged on the threaded rod 4, when the cylindrical shell 16 moves toward the direction close to the circular plate 6, the internal air pressure of the cylindrical shell 16 close to the end of the liquid inlet pipe 20 is positive pressure, and the one-way liquid inlet valve 201 arranged on the liquid inlet pipe 20 and the one-way liquid discharge valve 211 arranged on the liquid discharge pipe 21, at this time, the one-way liquid inlet valve 201 is in a closed state, and the one-way liquid discharge valve 211 is in an open state, so that the liquid discharge pipe 21 can discharge the polyvinyl alcohol solution inside the cylindrical shell 16 to the surface of the football through the nozzle 22;

[0053] The gear ring 14 drives the football to rotate intermittently under the action of the incomplete gear 15;

[0054] When the incomplete gear 15 drives the football in a stationary state to rotate, the polyvinyl alcohol solution on the surface of the football can be evenly distributed on the surface of the football under the action of inertia to form a continuous film.

[0055] And due to the viscosity of the polyvinyl alcohol solution, bubbles are generated at the leakage points on the surface of the football;

[0056] When the incomplete gear 15 is out of contact with the gear ring 14, the football is in a stationary state, so that personnel can check the leakage points on the surface of the football;

[0057] As the internal air pressure of the football gradually increases under the action of the pressurizing mechanism, the bubbles at the leakage points on the surface of the football can be made more obvious, further improving the accuracy of the football's air tightness detection.

[0058] Embodiment 4:

[0059] See also Figure 2 , Figure 3 , Figure 8 ,and Fig. 9 On the basis of the third embodiment, further:

[0060] The threaded rod 4 is provided with an auxiliary mechanism for detecting the leakage point of the football inside the conical shell 9. The auxiliary mechanism includes a connected hole groove 501 opened on each side of the threaded rod 4 and the spline shaft 5. The outer contour of each threaded rod 4 at a symmetrical position on one side close to the piston plate 23 is penetrated to the inner wall of the hole groove 501 and is fixedly connected to a connecting pipe 24, and the end of the connecting pipe 24 away from the threaded rod 4 is in contact with the inner wall of the cylindrical shell 16.

[0061] When in use, the connecting tube 24 is connected to the hole groove 501 through the hole groove 501 opened on the threaded rod 4 and the spline shaft 5, and the connecting tube 24 arranged on the threaded rod 4. When a leakage point appears on the surface of the football inside the conical shell 9, the air at the leakage point can be stored in the hole groove 501, and the end of the connecting tube 24 away from the threaded rod 4 is tightly fitted and movably connected to the inside of the cylindrical shell 16. When the cylindrical shell 16 moves to the limit distance in the direction close to the circular plate 6, the connecting tube 24 is connected to the drain pipe 21 at this time, so that the drain pipe 21 can discharge the air inside the hole groove 501 into the inside of the nozzle 22, so that bubbles will appear at the outlet of the nozzle 22 away from the end of the drain pipe 21 under the action of air, thereby further improving the accuracy of the air tightness detection of the football and avoiding the blind spot of the two sides of the football in the conical shell 9, which affects the accuracy of the detection result.

[0062] Furthermore, the existing device can increase the air pressure inside the football when performing air tightness testing on the football, thereby improving the accuracy of the test and being easy to use, which is better than traditional products.

[0063] The standard parts used in this embodiment can be purchased directly from the market, and the non-standard structural components recorded in the specification and the drawings can also be directly processed according to the existing technical common sense. At the same time, the connection method of each component adopts the mature conventional means in the prior art, and the machinery, parts and equipment all adopt the conventional models in the prior art, so no specific description will be given here.

[0064] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An air tightness detection device for football production and processing, characterized in that: The invention comprises a liquid storage box (1) for storing liquid, wherein a U-shaped frame (2) is fixedly connected to the top of the liquid storage box (1), and fixed frames (3) are fixedly connected to the symmetrical positions of both ends of the U-shaped frame (2) near the top, and threaded rods (4) are penetrated and rotatably connected to the fixed frames (3), and the ends of the threaded rods (4) away from the fixed frames (3) penetrate the U-shaped frame (2) and are movably connected, and the opposite ends of the two threaded rods (4) are fixedly connected to spline shafts (5), and the outer contours of the spline shafts (5) are sleeved with circular plates (6), and the outer contours of the circular plates (6) away from the ends of the threaded rods (4) are rotatably connected to circular shells (8), and the symmetrical positions of the opposite surfaces of the two circular shells (8) are fixedly connected to conical shells (9) for positioning a football, and the circular shells (8) are provided with a clamping mechanism for clamping and positioning the football, and the U-shaped frame (2) is provided with a pressurizing mechanism for increasing the internal air pressure of the football; The clamping mechanism comprises a circular shell (8) on which opposite surfaces are provided with a plurality of evenly spaced through grooves (801), the through grooves (801) being connected to the circular plate (6), the inner walls of the through grooves (801) being movably connected to rectangular sliders (10), one end of each rectangular slider (10) close to the center of the circular shell (8) being rotatably connected to a clamping claw (11) for clamping the surface of the football via a pin, one side of the clamping claw (11) being coaxially fixedly connected to a transmission gear (12), and one side of the circular shell (8) close to the transmission gear (12) being fixedly connected to a tooth plate (13) for meshing transmission with the transmission gear (12); A gear ring (14) is fixedly connected to the outer contour of one end of the circular plate (6) away from the circular shell (8), and rotating rods (7) driven by a power mechanism to reciprocate are penetrated and rotatably connected on opposite sides of the U-shaped frame (2), and incomplete gears (15) meshing with the gear ring (14) are fixedly connected at symmetrical positions on both sides of the rotating rod (7) near the center position. Vortex grooves (601) are formed on opposite sides of the two circular plates (6), and a limit block (25) is movably connected to the inner wall of each vortex groove (601) at a position corresponding to the rectangular slider (10), and one end of each limit block (25) away from the vortex groove (601) is fixedly connected to the rectangular slider (10), and the power mechanism is a motor after power is turned on. The pressurizing mechanism comprises a columnar shell (16) which is penetrated and movably connected to the positions corresponding to the threaded rod (4) on both sides of the U-shaped frame (2) and can move back and forth horizontally, and the columnar shell (16) is penetrated and movably connected to the threaded rod (4), and the outer contour of the columnar shell (16) close to one end of the U-shaped frame (2) is rotatably connected to an annular plate (18), and the opposite surface of the annular plate (18) and the circular plate (6) is fixedly connected to a spring (19) for pressurizing the football.

2. The air tightness detection device for football production and processing according to claim 1 is characterized in that: One end of the two columnar shells (16) close to the U-shaped frame (2) is fixedly connected to a threaded sleeve (17), and the inner wall of the threaded sleeve (17) is threadedly connected to the threaded rod (4). The columnar shells (16) are provided with a liquid spraying mechanism for spraying liquid on the surface of the football.

3. The air tightness detection device for football production and processing according to claim 2 is characterized in that: The liquid spraying mechanism comprises a liquid inlet pipe (20) and a liquid discharge pipe (21) which are penetrated and fixedly connected at symmetrical positions on both sides of the cylindrical shell (16) away from the threaded sleeve (17), and a spray head (22) is penetrated and fixedly connected at both ends of the U-shaped frame (2), and the ends of the two liquid discharge pipes (21) away from the cylindrical shell (16) are respectively connected to and fixedly connected to the spray head (22), and the ends of the liquid inlet pipes (20) away from the cylindrical shell (16) are placed on the inner wall of the liquid storage box (1).

4. The air tightness detection device for football production and processing according to claim 3 is characterized in that: A piston plate (23) for extracting and discharging liquid from the liquid storage box (1) is fixedly connected to the outer contour of the threaded rod (4) on the inner wall of one end of each cylindrical shell (16) close to the threaded sleeve (17), and a one-way liquid inlet valve (201) and a one-way liquid discharge valve (211) for quantitatively extracting and discharging water from the liquid storage box (1) are fixedly connected to the inner wall of each side of the liquid inlet pipe (20) and the liquid discharge pipe (21) close to one end of the cylindrical shell (16).

5. The air tightness detection device for football production and processing according to claim 1 is characterized in that: The threaded rod (4) is provided with an auxiliary mechanism for detecting football leakage points inside the conical housing (9), the auxiliary mechanism comprising a hole groove (501) connected to each other on the threaded rod (4) and the spline shaft (5) on each side, the outer contour of each threaded rod (4) at a symmetrical position on a side close to the piston plate (23) penetrates the inner wall of the hole groove (501) and is fixedly connected to a connecting pipe (24), and the end of the connecting pipe (24) away from the threaded rod (4) is in contact with the inner wall of the cylindrical housing (16).

Images