Press fitting device for maintaining automobile suspension spring

Abstract

The invention relates to the technical field of automobile maintenance tools, in particular to a press-fitting device for maintaining an automobile suspension spring, comprising: a support frame comprising a first vertical rod, the lower surface of the first vertical rod is movably connected with a support leg, the upper surface of the support leg is movably connected with a second vertical rod, and the second vertical rod is movably connected with a press-fitting device; the lower surfaces of the supporting legs are in threaded connection with brake pedals, and pulleys are movably connected into the brake pedals. The spring pressing mechanism comprises a supporting sleeve, the supporting sleeve is fixedly connected with a supporting frame, the inner side of the supporting sleeve is movably connected with an adjusting column, the interior of the adjusting column is movably connected with a transmission screw rod, the outer surface of the adjusting column is movably connected with a movable seat, the surface of the movable seat is connected with a limiting piece, and the limiting piece is connected with the supporting sleeve. And the surface of the movable seat is movably connected with a safety lock catch. Through the safety protection frame, the risk that the spring pops up in the maintenance process is effectively reduced, the labor intensity is remarkably reduced through the labor-saving device, and the maintenance efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of automotive repair tools, and specifically to a press-fitting device for repairing automotive suspension springs. Background Technique

[0002] A press-fitting device for repairing automotive suspension springs usually needs to have the characteristics of precise pressure control, accurate positioning, and simple operation.

[0003] When repairing automotive suspension springs, the selection of the press-fitting device is crucial, which directly affects the installation quality and safety of the springs. The existing repair tools have the following problems: low safety, traditional tools usually only have spring pressing components and lack effective protection measures; high labor intensity, traditional pressing components usually rely on manual wrenches for operation. As the spring pressing degree increases, the reaction force generated by the spring becomes larger and larger, making it difficult to turn the manual wrench in the later stage; high labor intensity, limited tool service life. When the transmission screw of the traditional pressing component is used, if a pneumatic or electric wrench is directly used for operation, excessive vibration and impact will be generated, which is likely to cause irreversible damage to the transmission screw, reduce the service life of the tool, and even lead to the huge risk of the screw breaking and the spring popping out. Summary of the Invention

[0004] The purpose of the present invention is to provide a press-fitting device for repairing automotive suspension springs to solve the problems of low safety of the existing repair tools, traditional tools usually only have spring pressing components and lack effective protection measures; high labor intensity, traditional pressing components usually rely on manual wrenches for operation, high labor intensity, and limited tool service life mentioned in the above background technique.

[0005] To achieve the above purpose, the present invention provides the following technical solution: A press-fitting device for repairing automotive suspension springs, comprising:

[0006] A support frame, including a first vertical rod, the lower surface of the first vertical rod is movably connected with a support leg, the upper surface of the support leg is movably connected with a second vertical rod, the lower surface of the support leg is threadedly connected with a brake pedal, a pulley is movably connected inside the brake pedal, a support frame is movably connected to the outer surface of the first vertical rod, a first nut is movably connected to the outer surface of the support leg, a cross bar is movably connected to the outer surface of the first vertical rod, and a second nut is movably connected to the outer surface of the second vertical rod;

[0007] Spring pressing mechanism, including a support sleeve, the support sleeve is fixedly connected to the support frame, an adjusting column is movably connected inside the support sleeve, a transmission screw is movably connected inside the adjusting column, a movable seat is movably connected to the outer surface of the adjusting column, a limiting piece is connected to the surface of the movable seat, a safety lock is movably connected to the surface of the movable seat, third nuts are movably connected to both ends of the movable seat, a fixed arm is movably connected to the outer surface of the movable seat, and a fourth nut is movably connected to the surface of the limiting piece;

[0008] Force-saving mechanism, including a coupling, the coupling is movably connected to the upper end of the transmission screw, a force-saving device is movably connected to the upper end of the coupling, a gear structure is movably connected to the outside of the force-saving device, a protective cover is movably connected to the outer surface of the gear structure, a support plate is movably connected to the outer surface of the protective cover, a fifth nut is movably connected to the lower end of the support plate, a turntable is movably connected to the upper surface of the protective cover, a handle is movably connected to the outer surface of the turntable, a connecting rod is movably connected to the upper surface of the protective cover, and a nut is threadedly connected to the outer surface of the connecting rod;

[0009] Safety mechanism, including a first protective frame, the first protective frame is movably connected to one side of the support frame, a second protective frame is movably connected to the other side of the support frame, a buckle is movably connected to the outside of the first protective frame, a sixth nut is movably connected to one end of the buckle, a clamping groove is movably connected to the other end of the buckle, a grip ball is sleeved on the outer surface of the buckle, a hinge is movably connected to the outer surface of the first protective frame, and a seventh nut is movably connected to the side of the hinge away from the first protective frame.

[0010] Preferably, the first vertical rod and the second vertical rod are of the same shape and size, the first vertical rod and the second vertical rod are connected by a cross bar, the second nut is connected to the cross bar by thread, the support leg is connected to the second vertical rod by a first nut, and the first nut is connected to the support leg by thread.

[0011] Preferably, there are two groups of fixed arms, and the number of each group is two. The fixed arms are movably connected to the movable seat through third nuts, and the fourth nut is connected to the limiting piece by thread.

[0012] Preferably, the support frame is movably connected to the adjusting column through the support sleeve, the transmission screw is movably connected to the fixed arm through the movable seat, and the safety lock is movably connected to the movable seat through the limiting piece.

[0013] Preferably, the turntable is in the shape of a disc, the handle is movably connected to the upper surface of the turntable, the turntable is movably connected to the connecting rod through the nut, the protective cover is movably connected to the turntable through the connecting rod, and the support plate is movably connected to the support frame through the fifth nut.

[0014] Preferably, the transmission screw is movably connected to the labor-saving device through a shaft connector, the gear structure is connected to the labor-saving device through a gear, and the connecting rod is connected to the labor-saving device through a gear structure.

[0015] Preferably, the first protective frame is movably connected to the support frame via a hinge, the hinge is connected to the first protective frame via a seventh nut, the buckle is movably connected to the first protective frame via a sixth nut, and the buckle is movably connected to the second protective frame via a slot.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. High safety: A safety protection frame is added and a double insurance mechanism is adopted to effectively reduce the risk of spring popping out during maintenance and ensure the personal safety of maintenance personnel.

[0018] 2. Save time and effort: The gear structure and five-fold torque amplification design of the labor-saving device allow maintenance personnel to easily compress the spring. Even when the spring pressure is high, there is no need to expend excessive effort, which significantly reduces labor intensity and improves maintenance efficiency.

[0019] 3. Extend the service life of the tool: The labor-saving device can act as a buffer when using a hydraulic or electric wrench, avoiding damage to the transmission screw caused by directly using a high-torque wrench, thereby extending the service life of the tool.

[0020] 4. Strong versatility: The clamping parts and the protective frame are fixed with nuts. The protective frame can be flexibly disassembled according to actual maintenance needs, and the clamping parts can be used alone for maintenance operations, which adapts to different maintenance scenarios and needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a front perspective schematic diagram of the structure of the present invention;

[0022] Figure 2 It is a back perspective schematic diagram of the structure of the present invention;

[0023] Figure 3 For the present invention Figure 1 A three-dimensional schematic diagram of the structure of the middle fixed arm;

[0024] Figure 4 For the present invention Figure 3 A three-dimensional schematic diagram of the structure of the middle safety lock;

[0025] Figure 5 For the present invention Figure 3 A three-dimensional schematic diagram of the dynamic structure of the middle fixed arm;

[0026] Figure 6 For the present invention Figure 1Schematic three-dimensional structure diagram of the middle turntable;

[0027] Figure 7 This invention Figure 6 Schematic three-dimensional sectional structure diagram of the middle shaft coupling;

[0028] Figure 8 This invention Figure 7 Schematic three-dimensional structure diagram of the middle gear structure;

[0029] Figure 9 This invention Figure 1 Schematic three-dimensional structure diagram of the first protective frame in the middle;

[0030] Figure 10 This invention Figure 2 Schematic three-dimensional structure diagram of the second protective frame in the middle.

[0031] In the figure: 1. First vertical rod; 11. Second vertical rod; 12. Support frame; 13. Support leg; 14. First nut; 15. Brake pedal; 16. Pulley; 17. Cross bar; 18. Second nut; 2. Fixed arm; 21. Safety lock catch; 22. Transmission screw; 23. Third nut; 24. Movable seat; 25. Limiting piece; 26. Fourth nut; 27. Adjusting column; 28. Support sleeve; 3. Turntable; 31. Handle; 32. Protective cover; 33. Nut; 34. Support plate; 35. Fifth nut; 36. Connecting rod; 37. Gear structure; 38. Force-saving device; 39. Shaft coupling; 4. First protective frame; 41. Second protective frame; 42. Buckle; 43. Sixth nut; 44. Card slot; 45. Grip ball; 46. Hinge; 47. Seventh nut. Detailed implementation manners

[0032] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0033] Please refer to Figures 1 - 10 , an embodiment provided by the present invention:

[0034] A pressing device for repairing automotive suspension springs, comprising:

[0035] Support frame, including a first vertical rod 1. The lower surface of the first vertical rod 1 is movably connected to a support leg 13. The upper surface of the support leg 13 is movably connected to a second vertical rod 11. The lower surface of the support leg 13 is threadedly connected to a brake pedal 15. The inside of the brake pedal 15 is movably connected to a pulley 16. The outer surface of the first vertical rod 1 is movably connected to a support frame 12. The outer surface of the support leg 13 is movably connected to a first nut 14. The outer surface of the first vertical rod 1 is movably connected to a cross bar 17. The outer surface of the second vertical rod 11 is movably connected to a second nut 18. The support legs 13 are in two groups and are fixed in a cross manner to increase the stability of the support frame. The first vertical rod 1 and the second vertical rod 11 are movably connected by the cross bar 17, which brings convenience to installation and disassembly;

[0036] Spring pressing mechanism, including a support sleeve 28. The support sleeve 28 is fixedly connected to the support frame 12. The inside of the support sleeve 28 is movably connected to an adjustment column 27. The inside of the adjustment column 27 is movably connected to a transmission screw 22. The outer surface of the adjustment column 27 is movably connected to a movable seat 24. A limit piece 25 is connected to the surface of the movable seat 24. A safety lock catch 21 is movably connected to the surface of the movable seat 24. Both ends of the movable seat 24 are movably connected to a third nut 23. The outer surface of the movable seat 24 is movably connected to a fixed arm 2. The surface of the limit piece 25 is movably connected to a fourth nut 26. The movable seat 24 and the limit piece 25 are respectively sleeved on the outer surface of the adjustment column 27. By rotating the transmission screw 22, the position of the movable seat 24 is changed. By adjusting the tightness of the fourth nut 26 on the limit piece 25, the position of the safety lock catch 21 is changed, so as to take the spring;

[0037] Force-saving mechanism, including a coupling 39. The coupling 39 is movably connected to the upper end of the transmission screw 22. The upper end of the coupling 39 is movably connected to a force-saving device 38. The outside of the force-saving device 38 is movably connected to a gear structure 37. The outer surface of the gear structure 37 is movably connected to a protective cover 32. The outer surface of the protective cover 32 is movably connected to a support plate 34. The lower end of the support plate 34 is movably connected to a fifth nut 35. The upper surface of the protective cover 32 is movably connected to a turntable 3. The outer surface of the turntable 3 is movably connected to a handle 31. The upper surface of the protective cover 32 is movably connected to a connecting rod 36. The outer surface of the connecting rod 36 is threadedly connected to a nut 33. A groove is formed inside the coupling 39. The upper end of the coupling 39 is connected to the force-saving device 38, and the other end is connected to the coupling 39. When the force-saving device 38 rotates, it drives the transmission screw 22 to rotate through the coupling 39, so as to act on the spring;

[0038] Safety mechanism, including a first protective frame 4, the first protective frame 4 is movably connected to one side of the support frame 12, the other side of the support frame 12 is movably connected with a second protective frame 41, the outside of the first protective frame 4 is movably connected with a buckle 42, one end of the buckle 42 is movably connected with a sixth nut 43, the other end of the buckle 42 is movably connected with a card slot 44, the outer surface of the buckle 42 is sleeved with a grip ball 45, the outer surface of the first protective frame 4 is movably connected with a hinge 46, one side of the hinge 46 away from the first protective frame 4 is movably connected with a seventh nut 47, the second protective frame 41 and the first protective frame 4 are connected by the buckle 42, when the buckle 42 and the card slot 44 are movably connected, the first protective frame 4 and the second protective frame 41 play a protective role, and the first protective frame 4 can be installed or disassembled through the hinge 46, increasing the flexibility of the first protective frame 4 during use.

[0039] Further, the first vertical rod 1 and the second vertical rod 11 are of the same shape and size, the first vertical rod 1 and the second vertical rod 11 are connected by a cross bar 17, the second nut 18 is connected to the cross bar 17 by thread, the support leg 13 is connected to the second vertical rod 11 by a first nut 14, the first nut 14 is connected to the support leg 13 by thread, the first nut 14 and the second nut 18 make the installation and disassembly of the support frame more convenient, the pulley 16 can drive the support frame to move freely, bringing convenience during use, and by disassembling the first vertical rod 1 and the second vertical rod 11, the height of the support frame can be changed, making the pressing component have a wider range of use.

[0040] Further, there are two groups of fixed arms 2, and the number of each group is two. The fixed arms 2 are movably connected by a third nut 23 and a movable seat 24. The fourth nut 26 is connected to the limiting piece 25 by thread. The fixed arms 2 move around the third nut 23. There are protrusions on the surface of the fixed arms 2, and the springs can be fixed by the upper and lower groups of fixed arms 2. Springs of different sizes can be fixed by adjusting the position of the fixed arms 2, increasing the practicality. The safety lock 21 also plays a role in fixing the spring. There is an arc-shaped groove on the inner surface of the safety lock 21, where the spring can be placed. By squeezing the safety lock 21 through the limiting piece 25, the surfaces of the safety lock 21 and the movable seat 24 are in contact, playing a fixing role.

[0041] Further, the support frame 12 is movably connected by a support sleeve 28 and an adjustment column 27. The transmission screw 22 is movably connected by a movable seat 24 and a fixed arm 2. The safety lock 21 is movably connected by a limiting piece 25 and a movable seat 24. There are two groups of movable seats 24, distributed at the upper and lower ends of the outer surface of the adjustment column 27. The upper movable seat 24 can move up and down according to the adjustment of the transmission screw 22, so as to compress or stretch the spring.

[0042] Further, the turntable 3 is disc-shaped. The handle 31 is movably connected to the upper surface of the turntable 3. The turntable 3 is movably connected to the connecting rod 36 through a nut 33. The protective cover 32 is movably connected to the turntable 3 through the connecting rod 36. The support plate 34 is movably connected to the support frame 12 through a fifth nut 35. The fifth nut 35 is connected to the support frame 12 by threads, making the installation more convenient. The gear structure 37 is movably connected to the turntable 3 through the connecting rod 36. By rotating the turntable 3, the gear structure 37 works. The gear structure 37 is a force-saving device that can magnify the torque by five times and reduce the speed by five times, thereby realizing the labor-saving compression of the spring.

[0043] Further, the transmission screw rod 22 is movably connected to the force-saving device 38 through a coupling 39. The gear structure 37 is connected to the force-saving device 38 through gears. The connecting rod 36 is connected to the force-saving device 38 through the gear structure 37. The force-saving device 38 is connected to the transmission screw rod 22 through the coupling 39. The turntable 3 is connected to the connecting rod 36 and the coupling 39. Rotating the turntable 3 can drive the transmission screw rod 22 to rotate, thereby changing the position of the movable seat 24 and changing the action on the spring.

[0044] Further, the first protective frame 4 is movably connected to the support frame 12 through a hinge 46. The hinge 46 is connected to the first protective frame 4 through a seventh nut 47. The buckle 42 is movably connected to the first protective frame 4 through a sixth nut 43. The buckle 42 is movably connected to the second protective frame 41 through a card slot 44. The grip ball 45 is made of rubber. It is easier to change the position of the buckle 42 through the grip ball 45. When the buckle 42 is connected to the card slot 44, the first protective frame 4 and the second protective frame 41 play a protective role and can prevent the spring from popping out and causing personal injury.

[0045] Working principle: When using the press-fitting device for repairing the suspension spring of an automobile, place the four fixed arms 2 of the spring pressing component around the suspension spring and adjust the position so that the spring can be firmly fixed. Buckle the two safety locks 21 on the spring and push the limit piece 25 to lock the safety lock 21 to ensure that the spring will not pop out under force during the repair process. Install the force-saving device above the pressing component so that its gear structure 37 is connected to the transmission screw rod 22 to ensure that the transmission screw rod 22 can be driven to rotate when turning the force-saving helper. Fix the support legs 13 of the safety protection frame to the bottom of the repair tool, then install the openable first protective frame 4 and second protective frame 41, and fixedly connect them to the pressing component through nuts. Check whether the installation of the entire tool is firm to ensure that all components are reliably connected and can work normally.

[0046] For those skilled in the art, it is obvious that the present invention is not limited to the details of the above-described exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, in any regard, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Thus, all changes that fall within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present invention. Any reference signs in the claims should not be construed as limiting the claims involved.

Claims

1. A press-fitting device for repairing automobile suspension springs, characterized in that: include: A support frame comprises a first vertical pole (1), the lower surface of the first vertical pole (1) is movably connected to a support leg (13), the upper surface of the support leg (13) is movably connected to a second vertical pole (11), the lower surface of the support leg (13) is threadedly connected to a brake pedal (15), the interior of the brake pedal (15) is movably connected to a pulley (16), the outer surface of the first vertical pole (1) is movably connected to a support frame (12), the outer surface of the support leg (13) is movably connected to a first nut (14), the outer surface of the first vertical pole (1) is movably connected to a cross bar (17), and the outer surface of the second vertical pole (11) is movably connected to a second nut (18); The spring clamping mechanism comprises a support sleeve (28), wherein the support sleeve (28) is fixedly connected to the support frame (12), an adjusting column (27) is movably connected to the inner side of the support sleeve (28), a driving screw (22) is movably connected to the inner side of the adjusting column (27), a movable seat (24) is movably connected to the outer surface of the adjusting column (27), a limiting plate (25) is connected to the surface of the movable seat (24), a safety lock (21) is movably connected to the surface of the movable seat (24), third nuts (23) are movably connected to the two ends of the movable seat (24), a fixed arm (2) is movably connected to the outer surface of the movable seat (24), and a fourth nut (26) is movably connected to the surface of the limiting plate (25); A labor-saving mechanism, comprising a shaft connector (39), wherein the shaft connector (39) is movably connected to the upper end of a transmission screw (22), the upper end of the shaft connector (39) is movably connected to a labor-saving device (38), the outside of the labor-saving device (38) is movably connected to a gear structure (37), the outer surface of the gear structure (37) is movably connected to a protective cover (32), the outer surface of the protective cover (32) is movably connected to a support plate (34), the lower end of the support plate (34) is movably connected to a fifth nut (35), the upper surface of the protective cover (32) is movably connected to a turntable (3), the outer surface of the turntable (3) is movably connected to a handle (31), the upper surface of the protective cover (32) is movably connected to a connecting rod (36), and the outer surface of the connecting rod (36) is threadedly connected to a nut (33); The safety mechanism comprises a first protective frame (4), wherein the first protective frame (4) is movably connected to one side of a support frame (12), the other side of the support frame (12) is movably connected to a second protective frame (41), the outer side of the first protective frame (4) is movably connected to a buckle (42), one end of the buckle (42) is movably connected to a sixth nut (43), the other end of the buckle (42) is movably connected to a slot (44), the outer surface of the buckle (42) is sleeved with a grip ball (45), the outer surface of the first protective frame (4) is movably connected to a hinge (46), and the side of the hinge (46) away from the first protective frame (4) is movably connected to a seventh nut (47).

2. A press-fitting device for repairing automobile suspension springs according to claim 1, characterized in that: The first vertical pole (1) and the second vertical pole (11) are of the same shape and size; the first vertical pole (1) and the second vertical pole (11) are connected via a cross bar (17); the second nut (18) is connected to the cross bar (17) via a thread; the support leg (13) is connected to the second vertical pole (11) via a first nut (14); and the first nut (14) is connected to the support leg (13) via a thread.

3. A press-fitting device for repairing automobile suspension springs according to claim 1, characterized in that: The fixed arms (2) are provided in two groups, each group having two members. The fixed arms (2) are movably connected to the movable seat (24) via a third nut (23), and the fourth nut (26) is connected to the limiting plate (25) via a thread.

4. A press-fitting device for repairing automobile suspension springs according to claim 1, characterized in that: The support frame (12) is movably connected to the adjustment column (27) via a support sleeve (28), the transmission screw (22) is movably connected to the fixed arm (2) via a movable seat (24), and the safety lock (21) is movably connected to the movable seat (24) via a limiting plate (25).

5. A press-fitting device for repairing automobile suspension springs according to claim 1, characterized in that: The turntable (3) is in the shape of a circular disk. The handle (31) is movably connected to the upper surface of the turntable (3). The turntable (3) is movably connected to a connecting rod (36) via a nut (33). The protective cover (32) is movably connected to the turntable (3) via a connecting rod (36). The support plate (34) is movably connected to a support frame (12) via a fifth nut (35).

6. A press-fitting device for repairing automobile suspension springs according to claim 1, characterized in that: The transmission screw (22) is movably connected to the labor-saving device (38) via a shaft connector (39), the gear structure (37) is connected to the labor-saving device (38) via a gear, and the connecting rod (36) is connected to the labor-saving device (38) via a gear structure (37).

7. A press-fitting device for repairing automobile suspension springs according to claim 1, characterized in that: The first protection frame (4) is movably connected to the support frame (12) via a hinge (46), the hinge (46) is connected to the first protection frame (4) via a seventh nut (47), the buckle (42) is movably connected to the first protection frame (4) via a sixth nut (43), and the buckle (42) is movably connected to the second protection frame (41) via a clamping slot (44).

Images