A reaming tool for a car safety belt ball tube

By designing a reaming fixture for automotive seat belt tubes, and employing clamping, rotation switching, and moving reaming structures, the problem of repeated adjustments required for reaming the tube ends in existing technologies has been solved, achieving automated reaming and improving operational efficiency and flexibility.

CN121360778BActive Publication Date: 2026-04-10江苏亚鑫精密科技股份有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-12-23
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

When enlarging the tube of a car seat belt, the existing technology requires enlarging the tube at both ends separately, which necessitates repeated adjustments to the tube position, resulting in time-consuming and labor-intensive operations and reduced work efficiency.

Method used

A tooling for enlarging the tube of an automotive seat belt is designed, comprising a clamping structure, a rotation switching structure, a moving enlarging structure, a lifting structure, a driving structure, an adjusting structure, and a gearing structure. It enables automatic enlarging of the tube ends and allows for flexible adjustment of the rotation angle and switching of the enlarging head, reducing manual adjustment.

Benefits of technology

It enables automatic enlargement of both ends of the tube without readjusting the tube position, making the operation more labor-saving and convenient, improving work efficiency, and allowing flexible switching of the enlargement head according to the shape of the tube, thus enhancing the flexibility and efficiency of enlargement.

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Abstract

The application relates to the field of reamers, and discloses a reaming tool for an automobile safety belt ball pipe, which comprises a reaming table, a fixing seat arranged in the middle of the upper surface of the reaming table, a clamping structure arranged on the fixing seat, a moving reaming structure, and a ball pipe. The ball pipe is clamped and fixed on the reaming table through the clamping structure, the moving reaming structure moves back and forth, the ball pipe port is automatically reamed, and the ball pipe can be automatically switched in the process of moving the moving reaming structure back and forth, the reaming work on the two ends of the ball pipe is realized without the need of re-adjusting the ball pipe position, and the operation is more labor-saving and convenient. Meanwhile, the setting of the adjusting structure can flexibly adjust the rotation angle according to the position of the ball pipe port, so that the ball pipe port position can be smoothly switched for reaming in the reaming process of the moving reaming structure, and the use is more flexible and convenient.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of reaming machines, in particular to a reaming tool for automobile safety belt ball pipes. BACKGROUND

[0002] The automobile safety belt ball pipe is a key component in the automobile safety system, mainly used for fixing the safety belt and realizing the pre-tightening function; the automobile safety belt ball pipe needs to use a forming device during production;

[0003] During actual reaming, when both ends of the safety belt ball pipe need to be reamed, generally, the pipe opening can be switched and reamed by rotating the ball pipe by half a circle, but during reaming of the ball pipe, the two ends of the ball pipe are not in the same straight line, so after reaming one end of the ball pipe, the ball pipe needs to be loosened, the position of the ball pipe needs to be adjusted again, and then clamped, which is time-consuming and laborious, and reduces the work efficiency, so there is room for improvement. SUMMARY

[0004] In order to solve the problems in the background art, the present application provides a reaming tool for an automobile safety belt ball pipe.

[0005] The reaming tool for an automobile safety belt ball pipe provided by the present application adopts the following technical scheme:

[0006] A reaming tool for an automobile safety belt ball pipe, comprising a reaming table, a fixing seat is arranged in the middle of the upper surface of the reaming table, a clamping structure is arranged on the fixing seat, the fixing seat is arranged on the reaming table through a rotary switching structure, a movable reaming structure is arranged on the left side of the reaming table, and the reaming table is supported through supporting legs, and a storage structure is arranged on one of the supporting legs;

[0007] The rotary switching structure comprises an adjusting disc rotatably arranged on the reaming table, the fixing seat is fixedly installed on the adjusting disc, the bottom end of the adjusting disc is connected with an adjusting column, a first vertical groove is formed in the adjusting column along the length direction thereof, a first spiral groove is formed in the adjusting column and communicates with the first vertical groove, a plurality of fixed rods are fixedly connected to the reaming table and close to the adjusting column, a sleeve is movably sleeved on the bottom end of the fixed rod, a limiting strip is arranged on the fixed rod along the length direction thereof, the limiting strip is movably inserted into a limiting groove formed in the inner wall of the sleeve, a limiting structure is arranged between the sleeve and the adjusting column, the bottom end of the sleeve is provided with a lifting disc through an adjusting structure, a lifting ring is arranged in the middle of the lower surface of the lifting disc, the lifting ring and the lifting disc are movably sleeved on the adjusting column, a first inserting rod is fixedly inserted into the lifting ring, one end of the first inserting rod is movably inserted into the first vertical groove, a first spring is sleeved on the fixed rod, and the two ends of the first spring are connected with the reaming table and the sleeve respectively;

[0008] The adjusting structure comprises a rotating drum sleeved on one of the sleeves, a threaded sleeve is arranged at the top end of the rotating drum, and the threaded sleeve is matched with the corresponding sleeve, the bottom end of the sleeve is connected to the lifting disc, a plurality of vertical rods are connected to the upper surface of the lifting disc, and the top end of the vertical rod is movably inserted into the corresponding sleeve.

[0009] The reaming table is provided with a lifting structure below.

[0010] Preferably, the clamping structure comprises a lower clamp fixedly installed on the upper surface of the fixed seat, a fixed frame is installed on the rear surface of the fixed seat, a lifting block is movably sleeved on the fixed frame, an upper clamp is installed on the lifting block, a hydraulic cylinder is installed at the top end of the fixed frame, and the output shaft of the hydraulic cylinder is connected to the lifting block at the bottom end.

[0011] Preferably, the moving reaming structure comprises a guide groove opened on the left side of the reaming table, a first screw is rotatably connected between the groove walls at both ends of the guide groove, a motor is installed on the left side surface of the reaming table, one end of the output shaft of the motor is connected to the first screw, a moving block is slidably arranged in the guide groove, a threaded groove is opened in the moving block for the first screw to pass through, a moving seat is fixedly installed on the upper surface of the moving block, a switching seat is rotatably arranged on the upper surface of the moving seat, different reaming heads are arranged on the side surface of the switching seat, and a replacement structure is arranged on the switching seat.

[0012] Preferably, the limiting structure comprises a limiting ring fixedly sleeved on the adjusting column near the top end, a limiting disc is fixedly sleeved on the sleeve, and the limiting disc is movably sleeved on the adjusting column.

[0013] Preferably, the lifting structure comprises two first telescopic rods connected below the reaming table, the bottom ends of the two first telescopic rods are connected to a driving plate, a connecting block is connected to the right side surface of the driving plate, one end of the connecting block is connected to the lifting disc, and a driving structure is arranged between the driving plate and the moving block.

[0014] Preferably, the driving structure comprises a lower horizontal groove opened in the driving plate, an upper horizontal groove is opened in the driving plate, an inclined groove is opened in the middle of the driving plate, the inclined groove is communicated with the lower horizontal groove and the upper horizontal groove at both ends, respectively, a gear structure is arranged on the groove wall near both ends of the inclined groove, an insertion groove is opened in the driving plate and communicated with the left end of the lower horizontal groove, an installation plate is connected to the lower surface of the moving block, an electric push rod is installed on the installation plate, one end of the output shaft of the electric push rod is connected to a driving rod, and the driving rod is movably inserted into the insertion groove.

[0015] Preferably, the gear structure comprises a first groove opened on the upper end of the chute wall, the first groove wall rotates through a first rotating shaft, the first rotating shaft is fixedly sleeved with a first stop block, the first stop block is connected with the first groove wall through a first torsional spring, a second groove is opened at the lower end of the chute wall, the second groove wall rotates through a second rotating shaft, the second rotating shaft is fixedly sleeved with a second stop block, and the second stop block is connected with the second groove wall through a second torsional spring.

[0016] Preferably, the replacement structure comprises an adjusting cylinder fixedly connected to the middle of the upper surface of the switching seat, a movable rotating rod is connected to the middle of the upper surface of the moving seat and penetrates through the switching seat, the top end of the rotating rod is rotatably connected to a second screw rod, the top end of the second screw rod is provided with a hand wheel, a lifting sleeve is sleeved on the second screw rod, threads are arranged on the inner wall of the lifting sleeve, the lower surface of the lifting sleeve is connected to the second telescopic rod at the top end of the rotating rod, the lower surface of the lifting sleeve is connected with a connecting rod, the bottom end of the connecting rod is mounted with a driving ring, a plurality of second vertical grooves are opened on the side surface of the adjusting cylinder, a plurality of second spiral grooves are opened on the side surface of the adjusting cylinder, two adjacent second vertical grooves are connected through a second spiral groove, the side surface of the driving ring is connected with a second inserting rod, and the second inserting rod penetrates through the second vertical groove.

[0017] Preferably, the storage structure comprises two fixed discs mounted on one of the legs, a middle rod is connected between the two fixed discs, an annular groove is opened on the side surface of each fixed disc, a plurality of sliding blocks are slidably arranged in the annular groove, and an installation rod is connected between each two sliding blocks.

[0018] To sum up, the present application has the following beneficial technical effects:

[0019] The present application sets up clamping structure, rotating switching structure, moving reaming structure, lifting structure, driving structure, adjusting structure and gear structure, clamps and fixes the ball pipe on the reaming table through the clamping structure, moves back and forth through the moving reaming structure, automatically reams the pipe opening of the ball pipe, and cooperates with the rotating switching structure, the lifting structure, the gear structure and the driving structure, so that the ball pipe can be automatically switched during the back-and-forth movement of the moving reaming structure, the pipe openings at both ends of the ball pipe can be reamed without re-adjusting the position of the ball pipe, and the operation is more labor-saving and convenient; meanwhile, the adjusting structure can be adjusted according to the position of the ball pipe port, so that the moving reaming structure can smoothly switch the pipe opening position of the ball pipe during the reaming process, and the use is more flexible and convenient.

[0020] The present application sets up the replacement structure, which can flexibly switch the corresponding reaming head according to the actual shape of the ball pipe.

[0021] The application sets the storage structure, facilitates the taking and placing work of the ball tube, thereby improving the work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is a structural schematic diagram of a reaming tool for an automobile safety belt ball tube in an embodiment of the application;

[0023] Figure 2 is a structural schematic diagram of the lower part of the reaming table in an embodiment of the application;

[0024] Figure 3 is a structural schematic diagram of the rotating switching structure and the driving structure in an embodiment of the application;

[0025] Figure 4 is an enlarged view of the structure at A of Figure 3 in an embodiment of the application;

[0026] Figure 5 is an enlarged view of the structure at B of Figure 3 in an embodiment of the application;

[0027] Figure 6 is a structural schematic diagram of the switching seat in an embodiment of the application;

[0028] Figure 7 is an enlarged view of the structure at C of Figure 6 in an embodiment of the application;

[0029] Figure 8 is a structural schematic diagram of the storage structure in an embodiment of the application.

[0030] Explanation of reference signs: 1, hole expanding table; 2, supporting leg; 3, adjusting disc; 4, fixing seat; 5, adjusting column; 6, fixing rod; 7, sleeve; 8, limiting strip; 9, first spring; 10, lifting disc; 11, lifting ring; 12, first inserting rod; 13, first vertical groove; 14, first helical groove; 15, rotating drum; 16, screw sleeve; 17, vertical rod; 18, lower clamp; 19, fixing frame; 20, hydraulic cylinder; 21, lifting block; 22, upper clamp; 23, moving seat; 24, moving block; 25, motor; 26, switching seat; 27, hole expanding head; 28, first screw rod; 29, guide groove; 30, first telescopic rod; 31, driving plate; 32, connecting block; 33, limiting ring; 34, limiting disc; 35, mounting plate; 36, electric push rod; 37, driving rod; 38, insertion groove; 39, lower horizontal groove; 40, inclined groove; 41, upper horizontal groove; 42, first rotating shaft; 43, first stop block; 44, second recess; 45, second stop block; 46, second rotating shaft; 47, first recess; 48, adjusting cylinder; 49, second screw rod; 50, hand wheel; 51, lifting sleeve; 52, second telescopic rod; 53, connecting rod; 54, rotating rod; 55, driving ring; 56, second vertical groove; 57, second inserting rod; 58, second helical groove; 59, intermediate rod; 60, fixing disc; 61, annular groove; 62, sliding block; 63, mounting rod; 64, vertical plate; 65, storage plate. DETAILED DESCRIPTION

[0031] The following will be described in detail below with reference to the accompanying drawings. Figures 1-8 The application will be further described in detail.

[0032] The application discloses a hole expanding tool for a ball pipe of an automobile safety belt. Figures 1-8 The hole expanding tool for the ball pipe of the automobile safety belt comprises a hole expanding table 1, a fixing seat 4 is arranged on the middle of the hole expanding table 1, a clamping structure is arranged on the fixing seat 4, the fixing seat 4 is arranged on the hole expanding table 1 through a rotary switching structure, a moving hole expanding structure is arranged on the left side of the hole expanding table 1, and the hole expanding table 1 is supported through supporting legs 2, and a storage structure is arranged on one of the supporting legs 2.

[0033] The rotary switching structure comprises an adjusting disc 3 rotatably arranged on an expansion base 1, a fixed seat 4 fixedly arranged on the adjusting disc 3, an adjusting column 5 connected to the bottom end of the adjusting disc 3, a first vertical groove 13 formed along the length direction of the adjusting column 5, a first spiral groove 14 formed in the adjusting column 5 and communicating with the first vertical groove 13, a plurality of fixed rods 6 fixedly connected to the expansion base 1 and close to the adjusting column 5, a sleeve 7 movably sleeved on the bottom end of the fixed rod 6, a limiting strip 8 arranged along the length direction of the fixed rod 6, the limiting strip 8 movably inserted into a limiting groove formed in the inner wall of the sleeve 7, a limiting structure arranged between the sleeve 7 and the adjusting column 5, a lifting disc 10 arranged on the bottom end of the sleeve 7 through an adjusting structure, a lifting ring 11 arranged in the middle of the bottom surface of the lifting disc 10, the lifting ring 11 and the lifting disc 10 movably sleeved on the adjusting column 5, a first inserting rod 12 fixedly inserted into the lifting ring 11, one end of the first inserting rod 12 movably inserted into the first vertical groove 13, and a first spring 9 sleeved on the fixed rod 6 and connected to the expansion base 1 and the sleeve 7 at two ends respectively.

[0034] The adjusting structure comprises a rotating drum 15 sleeved on one of the sleeves 7, a screw sleeve 16 rotatably arranged at the top end of the rotating drum 15, and threads matched with each other arranged between the screw sleeve 16 and the corresponding sleeve 7, the sleeve 7 being connected to the lifting disc 10 at the bottom end, a plurality of vertical rods 17 being connected to the top surface of the lifting disc 10, and the top ends of the vertical rods 17 being movably inserted into the corresponding sleeves 7.

[0035] The expansion base 1 is provided with a lifting structure at the bottom surface.

[0036] The clamping structure comprises a lower clamp 18 fixedly arranged on the top surface of the fixed seat 4, a fixed frame 19 arranged on the rear surface of the fixed seat 4, a lifting block 21 movably sleeved on the fixed frame 19, an upper clamp 22 arranged on the lifting block 21, a hydraulic cylinder 20 arranged at the top end of the fixed frame 19, and an output shaft of the hydraulic cylinder 20 connected to the lifting block 21 at the bottom end.

[0037] The moving expansion structure comprises a guide groove 29 formed in the left side of the expansion base 1, a first screw rod 28 rotatably connected between the groove walls at two ends of the guide groove 29, a motor 25 arranged at the left side surface of the expansion base 1, one end of an output shaft of the motor 25 being connected to the first screw rod 28, a moving block 24 slidably arranged in the guide groove 29, a threaded groove for the first screw rod 28 being formed in the moving block 24, a moving seat 23 fixedly arranged on the top surface of the moving block 24, a switching seat 26 rotatably arranged on the top surface of the moving seat 23, different expansion heads 27 arranged on the side surface of the switching seat 26, and a replacement structure arranged on the switching seat 26.

[0038] The limiting structure comprises a limiting ring 33 fixedly sleeved on the adjusting column 5 close to the top end, a limiting disc 34 fixedly sleeved on the sleeve 7, and the limiting disc 34 movably sleeved on the adjusting column 5.

[0039] The lifting structure comprises two first telescopic rods 30 connected below the reaming table 1, a driving plate 31 connected at the bottom end of the two first telescopic rods 30, a connecting block 32 connected on the right side surface of the driving plate 31, and the connecting block 32 connected at one end on the lifting disc 10; a driving structure is arranged between the driving plate 31 and the moving block 24;

[0040] The driving structure comprises a lower horizontal groove 39 formed on the driving plate 31, an upper horizontal groove 41 formed on the driving plate 31, an inclined groove 40 formed in the middle of the driving plate 31, and the inclined groove 40 communicated with the lower horizontal groove 39 and the upper horizontal groove 41 at two ends, respectively; a stop structure is arranged on the groove wall of the inclined groove 40 close to the two ends; an insertion groove 38 is formed on the driving plate 31 and communicated with the left end of the lower horizontal groove 39; the moving block 24 is connected with a mounting plate 35 below; the mounting plate 35 is installed with an electric push rod 36; one end of the output shaft of the electric push rod 36 is connected with a driving rod 37; and the driving rod 37 is movably inserted into the insertion groove 38;

[0041] The gear structure comprises a first groove 47 opened on the upper end of the chute wall of the chute 40, a first rotating shaft 42 rotating through the upper end of the chute wall of the first groove 47, a first stopper 43 fixedly sleeved on the first rotating shaft 42, a first torsional spring connected between the first stopper 43 and the chute wall of the first groove 47, a second groove 44 opened on the lower end of the chute wall of the chute 40, a second rotating shaft 46 rotating through the lower end of the chute wall of the second groove 44, a second stopper 45 fixedly sleeved on the second rotating shaft 46, and a second torsional spring connected between the second stopper 45 and the chute wall of the second groove 44. First, according to the actual need for reaming, the sleeve 7 is rotated with the screw sleeve 16, the screw sleeve 16 drives the lifting disc 10, the lifting ring 11 and the first inserting rod 12 to move integrally, the lifting disc 10 is moved by the same distance, the first inserting rod 12 is slid to the corresponding position in the first spiral groove 14, the rotating angle of the adjusting disc 3 is adjusted, the adjusting disc 3 can smoothly drive the one-end pipe of the bulb to the reaming position for reaming, the motor 25 drives the first screw rod 28 to rotate, the moving block 24 moves on the rotating first screw rod 28 towards the one-end pipe of the bulb, the reaming head 27 is inserted into the bulb, the reaming work is performed, and the moving block 24 drives the one end of the driving rod 37 to slide in the lower horizontal groove 39 in the moving process, the driving rod 37 extrudes the second stopper 45 in the sliding process in the lower horizontal groove 39, the second stopper 45 is pushed to rotate with the second rotating shaft 46, the driving rod 37 is separated from the second stopper 45, the second stopper 45 is reset under the action of the second torsional spring, the one-end pipe of the bulb is reamed, the motor 25 drives the first screw rod 28 to reversely rotate, the moving block 24 drives the reaming head 27 to reversely move, the moving block 24 drives the driving rod 37 to reversely slide in the lower horizontal groove 39 in the reversely moving process, the driving rod 37 slides from the lower horizontal groove 39 to the chute 40 under the shielding of the second stopper 45, the driving rod 37 extrudes the chute wall of the chute 40, the driving plate 31 is pushed to move downwards, the lifting disc 10 is driven to move downwards through the connecting block 32, the lifting disc 10 drives the one end of the first inserting rod 12 to slide in the first spiral groove 14, the one end of the first inserting rod 12 extrudes the chute wall of the first spiral groove 14, the adjusting column 5 and the adjusting disc 3 are integrally rotated, the bulb is automatically rotated, the driving rod 37 slides to the first stopper 43, the first stopper 43 is rotated with the first rotating shaft 42 as the center, the driving rod 37 is smoothly slid to the upper horizontal groove 41, the other-end pipe of the bulb is automatically rotated and switched to the reaming position, the motor 25 drives the first screw rod 28 to reversely rotate again, the moving block 24 moves towards the bulb, and the driving rod 37 is smoothly slid in the upper horizontal groove 41 under the shielding action of the first stopper 43, the reaming head 27 is automatically reamed to the other-end pipe of the bulb, the position of the bulb does not need to be repeatedly adjusted manually, the other-end pipe of the bulb can be automatically reamed, and the operation is more labor-saving and convenient.The work efficiency is improved, after reaming, the electric push rod 36 is started to drive the rod 37 to be pulled out from the upper transverse groove 41, under the elastic force of the first spring 9, the lifting disc 10 and the driving plate 31 are pulled up to reset as a whole, and the adjusting disc 3 is reversely rotated to reset, so that when the moving block 24 is reversely moved to reset, the electric push rod 36 can be started to drive the driving rod 37 to be inserted into the insertion groove 38 to reset, so as to ream the next ball tube.

[0042] Referring to Figure 6 and Figure 7 The replacement structure comprises an adjusting cylinder 48 fixedly connected to the middle of the switching seat 26, a movable seat 23, a rotating rod 54 movably penetrating through the switching seat 26, a second screw rod 49 rotatably connected to the top end of the rotating rod 54, a hand wheel 50 arranged at the top end of the second screw rod 49, a lifting sleeve 51 sleeved on the second screw rod 49, a plurality of threads arranged on the inner wall of the lifting sleeve 51, a second telescopic rod 52 connected to the top end of the rotating rod 54 at the bottom of the lifting sleeve 51, a connecting rod 53 connected to the bottom end of the lifting sleeve 51, a driving ring 55 mounted at the bottom end of the connecting rod 53, a plurality of second vertical grooves 56 formed in the side of the adjusting cylinder 48, a plurality of second spiral grooves 58 formed in the side of the adjusting cylinder 48, the second spiral grooves 58 connecting between two adjacent second vertical grooves 56, a second insertion rod 57 connected to the side of the driving ring 55, and the second insertion rod 57 movably penetrating through the second vertical grooves 56. According to actual needs, the hand wheel 50 is rotated to rotate the second screw rod 49, under the limiting action of the second telescopic rod 52, the lifting sleeve 51 drives the driving ring 55 at the bottom end of the connecting rod 53 to move downward, the driving ring 55 drives one end of the second insertion rod 57 to slide in the second vertical grooves 56 and the second spiral grooves 58. When one end of the second insertion rod 57 slides in the second spiral grooves 58, the second insertion rod 57 is used to extrude the groove wall of the second spiral grooves 58, so as to drive the adjusting cylinder 48 and the switching seat 26 to rotate as a whole, so as to switch the reaming head 27 to the corresponding reaming position according to actual needs, and then the driving ring 55 drives the second insertion rod 57 to slide into the second vertical grooves 56 at the corresponding position, so as to limit the switched switching seat 26, thereby avoiding the problem that the switching seat 26 rotates during reaming.

[0043] Referring to Figure 8 The storage structure comprises two fixed discs 60 mounted on one of the supporting legs 2, and a middle rod 59 connected between the two fixed discs 60. An annular groove 61 is formed in the side of each fixed disc 60, and a plurality of sliding blocks 62 are slidably arranged in the annular groove 61. An installation rod 63 is connected between each two sliding blocks 62, a vertical plate 64 is arranged on the installation rod 63, and a plurality of storage plates 65 are arranged on the vertical plate 64. The vertical plate 64 can be used to store the ball tubes before and after reaming on the storage plates 65, which is convenient to take and store. When the reamer is not in use, the vertical plate 64 can be turned into the reaming table 1 for storage, thereby reducing the occupation of the working space.

[0044] The implementation principle of the reaming tool for the automobile safety belt ball pipe is as follows: first, according to the actual situation, the second screw rod 49 is rotated by using the hand wheel 50, under the limiting action of the second telescopic rod 52, the lifting sleeve 51 drives the bottom end of the connecting rod 53 to drive the ring 55 to move downward, the ring 55 drives one end of the second plug rod 57 to slide in the second vertical groove 56 and the second spiral groove 58, when one end of the second plug rod 57 slides in the second spiral groove 58, the second plug rod 57 is used to extrude the groove wall of the second spiral groove 58, and the adjusting cylinder 48 and the switching seat 26 are pushed to rotate integrally, so that the corresponding reaming head 27 is switched to the reaming position according to the actual situation, then the ring 55 drives the second plug rod 57 to slide into the second vertical groove 56 at the corresponding position, and the switched switching seat 26 is limited, so that the problem that the switching seat 26 rotates in the reaming process is avoided, then, according to the actual reaming requirement, the sleeve 7 is rotated on the sleeve 7, the sleeve 16 drives the lifting disc 10, the lifting ring 11 and the first plug rod 12 to move integrally, so that the lifting disc 10 slides into the first spiral groove 14 at the corresponding position under the condition that the lifting disc 10 moves downward by the same distance, so as to adjust the rotation angle of the adjusting disc 3, and it is ensured that the adjusting disc 3 can smoothly drive one end of the ball pipe to the reaming position for reaming after rotation, in the reaming process, the first screw rod 28 is rotated by starting the motor 25, and the moving block 24 moves on the rotating first screw rod 28 towards the one end of the ball pipe, so that the reaming head 27 is inserted into the ball pipe to perform the reaming work, and in the moving process of the moving block 24, one end of the driving rod 37 slides in the lower horizontal groove 39, in the sliding process of the driving rod 37 in the lower horizontal groove 39, the driving rod 37 extrudes the second stop block 45, and the second stop block 45 is pushed to rotate about the second rotating shaft 46, when the driving rod 37 is separated from the second stop block 45, the second stop block 45 is pushed to reset under the action of the second torsional spring, after the one end of the ball pipe is reamed, the first screw rod 28 is reversely rotated by the motor 25, the moving block 24 drives the reaming head 27 to move reversely, in the reverse moving process, the moving block 24 drives the driving rod 37 to slide reversely in the lower horizontal groove 39, when the driving rod 37 slides to the second stop block 45, the driving rod 37 slides from the lower horizontal groove 39 to the inclined groove 40 under the shielding of the second stop block 45, the driving rod 37 extrudes the groove wall of the inclined groove 40, and the driving plate 31 is pushed to move downward, the lifting disc 10 is driven to move downward by the connecting block 32, the lifting disc 10 drives one end of the first plug rod 12 to slide in the first spiral groove 14, one end of the first plug rod 12 extrudes the groove wall of the first spiral groove 14, and the adjusting column 5 and the adjusting disc 3 are pushed to rotate integrally, so as to automatically drive the ball pipe to rotate, when the driving rod 37 slides to the first stop block 43, the first stop block 43 is pushed to rotate about the first rotating shaft 42 as the axis, so that the driving rod 37 slides to the upper horizontal groove 41, at this moment, the other end of the ball pipe is automatically rotated and switched to the reaming position, in this way, the first screw rod 28 is reversely rotated again by the motor 25,The moving block 24 moves towards the ball tube, and under the shielding effect of the first stopper 43, the driving rod 37 is smoothly slid in the upper horizontal groove 41, and in turn smoothly drives the hole expanding head 27 to perform automatic hole expanding work on the other end of the ball tube. Thus, the position of the ball tube does not need to be repeatedly adjusted manually, and the automatic hole expanding work on the two ends of the ball tube can be performed, which is more labor-saving, convenient and efficient, and improves the work efficiency. After the hole is expanded, the electric push rod 36 is started to pull out the driving rod 37 from the upper horizontal groove 41, under the elastic force of the first spring 9, the lifting disc 10 and the driving plate 31 are integrally lifted and reset upwards, and the adjusting disc 3 is reversely rotated and reset, so that when the moving block 24 reversely moves and resets, the electric push rod 36 is started to drive the driving rod 37 to be inserted into the insertion groove 38 and reset, so as to perform hole expanding work on the next ball tube.

[0045] The above are preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. Therefore, equivalent changes made according to the structure, shape and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A reaming tool for a safety belt ball joint of a vehicle, comprising a reaming table (1), characterized in that: The fixed seat (4) is arranged on the middle of the upper surface of the reaming platform (1), the fixed seat (4) is provided with a clamping structure, the fixed seat (4) is arranged on the reaming platform (1) through a rotary switching structure, the reaming platform (1) is provided with a movable reaming structure on the left side, and the reaming platform (1) is supported by the supporting legs (2) on the lower surface, and a storage structure is arranged on one of the supporting legs (2); The rotary switching structure comprises an adjusting disc (3) rotatably arranged on the reaming platform (1), the fixed seat (4) is fixedly installed on the adjusting disc (3), the bottom end of the adjusting disc (3) is connected with an adjusting column (5), a first vertical groove (13) is formed in the length direction of the adjusting column (5), a first spiral groove (14) communicating with the first vertical groove (13) is formed in the adjusting column (5), a plurality of fixed rods (6) are fixedly connected to the lower surface of the reaming platform (1) close to the adjusting column (5), a sleeve (7) is movably sleeved at the bottom end of the fixed rod (6), a limiting strip (8) is arranged on the fixed rod (6) in the length direction, the limiting strip (8) is movably inserted into a limiting groove formed in the inner wall of the sleeve (7), a limiting structure is arranged between the sleeve (7) and the adjusting column (5), the bottom end of the sleeve (7) is provided with a lifting disc (10) through an adjusting structure, a lifting ring (11) is arranged on the middle of the lower surface of the lifting disc (10), the lifting ring (11) and the lifting disc (10) are movably sleeved on the adjusting column (5), a first inserting rod (12) is fixedly inserted into the lifting ring (11), one end of the first inserting rod (12) is movably inserted into the first vertical groove (13), a first spring (9) is sleeved on the fixed rod (6), and the two ends of the first spring (9) are connected with the reaming platform (1) and the sleeve (7) respectively; The adjusting structure comprises a rotating barrel (15) sleeved on one of the sleeves (7), the rotating barrel (15) is rotatably provided with a screw sleeve (16) at the top end, the screw sleeve (16) and the corresponding sleeve (7) are provided with matching threads, the bottom end of the sleeve (7) is connected to the lifting disc (10), and a plurality of vertical rods (17) are connected to the upper surface of the lifting disc (10); The vertical rods (17) are movably inserted into the corresponding sleeve (7) at the top end; The lifting structure is arranged on the lower surface of the reaming platform (1); The lifting structure comprises two first telescopic rods (30) connected to the lower surface of the reaming platform (1), the bottom ends of the two first telescopic rods (30) are connected with a driving plate (31), the right side surface of the driving plate (31) is connected with a connecting block (32), one end of the connecting block (32) is connected to the lifting disc (10), and the driving structure is arranged between the driving plate (31) and the moving block (24). The driving structure comprises a lower horizontal groove (39) formed on a driving plate (31), an upper horizontal groove (41) formed on the driving plate (31), a slant groove (40) formed in the middle of the driving plate (31), and the slant groove (40) being communicated with the lower horizontal groove (39) and the upper horizontal groove (41) at two ends respectively, the groove wall of the slant groove (40) being provided with a stop structure near the two ends, an insertion groove (38) being formed on the driving plate (31) and communicated with the left end of the lower horizontal groove (39), a moving block (24) being connected with a mounting plate (35) below, the mounting plate (35) being provided with an electric push rod (36), one end of the output shaft of the electric push rod (36) being connected with a driving rod (37), and the driving rod (37) being movably inserted into the insertion groove (38). The stop structure comprises a first recess (47) formed on the upper end of the groove wall of the slant groove (40), the first recess (47) being rotatably penetrated by a first rotating shaft (42), the first rotating shaft (42) being fixedly sleeved with a first stop block (43), the first stop block (43) being connected with the first recess (47) through a first torsional spring, a second recess (44) being formed at the lower end of the groove wall of the slant groove (40), the second recess (44) being rotatably penetrated by a second rotating shaft (46) on the upper end of the groove wall, the second rotating shaft (46) being fixedly sleeved with a second stop block (45), and the second stop block (45) being connected with the second recess (44) through a second torsional spring. The storage structure comprises two fixed discs (60) mounted on one of the supporting legs (2), a middle rod (59) connected between the two fixed discs (60), an annular groove (61) formed on the side surface of each fixed disc (60), a plurality of sliding blocks (62) slidably arranged in the annular groove (61), and an installation rod (63) connected between each group of two sliding blocks (62), a vertical plate (64) arranged on the installation rod (63), and a plurality of storage plates (65) arranged on the two side surfaces of the vertical plate (64).

2. The reaming tool for a safety belt ball joint of an automobile as set forth in claim 1, characterized in that: The clamping structure comprises a lower clamp (18) fixedly mounted on the top of a fixed seat (4), a fixed frame (19) mounted on the rear side of the fixed seat (4), a lifting block (21) movably sleeved on the fixed frame (19), an upper clamp (22) mounted on the lifting block (21), a hydraulic cylinder (20) mounted on the top end of the fixed frame (19), and the output shaft of the hydraulic cylinder (20) being connected to the lifting block (21).

3. The reaming tool for a seat belt ball joint of an automobile as set forth in claim 1, characterized in that: The mobile reaming structure includes the guide groove (29) opened on the left side of the reaming table (1), the first screw rod (28) is rotatably connected between the groove walls of the two ends of the guide groove (29), the motor (25) is installed on the left side surface of the reaming table (1), the output shaft of the motor (25) is connected with the first screw rod (28) at one end, the moving block (24) is slidably arranged in the guide groove (29), the threaded groove is formed in the moving block (24) for the first screw rod (28) to pass through, the moving seat (23) is fixedly installed on the upper surface of the moving block (24), the switching seat (26) is rotatably arranged on the upper surface of the moving seat (23), the different reaming heads (27) are arranged on the side surface of the switching seat (26), and the replacement structure is arranged on the switching seat (26).

4. The reaming tool for a seat belt ball joint of an automobile as set forth in claim 1, characterized in that: The limiting structure includes the limiting ring (33) fixedly sleeved on the adjusting column (5) near the top end, and the limiting disc (34) is fixedly sleeved on the sleeve (7).

5. The reaming tool for a safety belt ball stud of an automobile as set forth in claim 3, characterized in that: The replacement structure includes the adjusting cylinder (48) fixedly connected to the middle of the upper surface of the switching seat (26), the rotating rod (54) is movably connected to the middle of the upper surface of the moving seat (23) and penetrates through the switching seat (26), the second screw rod (49) is rotatably connected to the top end of the rotating rod (54), the hand wheel (50) is arranged at the top end of the second screw rod (49), the lifting sleeve (51) is sleeved on the second screw rod (49), the screw threads are arranged on the inner wall of the lifting sleeve (51), the second telescopic rod (52) is connected between the bottom surface of the lifting sleeve (51) and the top end of the rotating rod (54), the connecting rod (53) is connected to the bottom surface of the lifting sleeve (51), the driving ring (55) is installed on the bottom end of the connecting rod (53), a plurality of second vertical grooves (56) are formed in the side surface of the adjusting cylinder (48), a plurality of second spiral grooves (58) are formed in the side surface of the adjusting cylinder (48), the second vertical grooves (56) are connected through the second spiral grooves (58) between two adjacent second vertical grooves (56), the second inserting rod (57) is connected to the side surface of the driving ring (55), and the second inserting rod (57) movably penetrates through the second vertical groove (56).

Citation Information

Patent Citations

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