Tripod assembly

Abstract

The tripod assembly relates to the technical field of tripod and comprises a tripod frame, a pin shaft for transmission connection penetrates out of the inner wall of the tripod frame, and an insertion hole for positioning the position of the pin shaft is formed in the position, corresponding to the pin shaft, of the outer wall of the tripod frame. The end, away from the insertion hole, of the pin shaft is sleeved with an outer ring used for angle adjustment and change. A pressing rod is pressed, a fixed shell penetrates into an insertion block, then under the work of a first damping spring, a sliding shell penetrates out of the fixed shell and pushes a limiting rod to penetrate out of the insertion block and enter a reserved hole of an insertion hole in an abutting mode, a pin shaft and a three-pin frame are rapidly installed and connected, and the machining efficiency and convenience are improved; and meanwhile, the limiting block conveniently slides into the insertion block preformed hole along with the sliding shell for limiting, and the connecting effect is further improved.

Description

Technical Field

[0001] The present application relates to the technical field of tripod pins, and in particular to a tripod pin assembly. Background Art

[0002] Since the relative position between the wheels and the gearbox changes frequently, the angle between the power output and input ends changes frequently, so a universal joint is needed to adjust it. This universal joint is what we often call a universal joint or a tripod. It is a component that realizes variable-angle power transmission and is used in positions where the direction of the transmission axis needs to be changed. It is the "joint" component of the universal joint of the automobile drive system.

[0003] After searching, the Chinese patent authorization announcement number CN207364120U discloses a high-torque simple tripod pin assembly, including a tripod frame, a ball ring inner ring, and an outer ball ring. The tripod frame is provided with three pins, each pin is sleeved with a ball ring inner ring, and the ball ring inner ring is sleeved with an outer ball ring. Compared with the existing tripod pin assembly, the utility model eliminates the needle roller and transfers the space of the needle roller to the pin shaft of the tripod frame, thereby increasing the diameter of the pin shaft and the bearing area between the pin shaft and the flower hub, so that the tripod pin assembly can withstand higher torque, and compared with the tripod pin assembly with needle rollers, the needle rollers are prevented from being crushed.

[0004] The fully automatic water-cutting device in the above patent has the following shortcomings: its pin shaft and three-pin bracket are generally fixed together by welding, and its installation operation is difficult and time-consuming. Its installation operation is not convenient enough, resulting in low production efficiency during processing and manufacturing. Utility Model Content

[0005] The purpose of the utility model is to solve or at least alleviate the problem in the prior art that the installation and operation of the equipment is not convenient, resulting in low production efficiency during processing and manufacturing.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a tripod assembly, including a tripod rack, an inner wall of the tripod rack is penetrated by a pin shaft for transmission connection, and an insertion hole for locating the position of the pin shaft is opened on the outer wall of the tripod rack corresponding to the position of the pin shaft, an end of the pin shaft away from the insertion hole is sleeved with an outer ring for angle adjustment and change, an end of the pin shaft that passes through the insertion hole is provided with a connecting mechanism for fixed connection with the tripod rack to avoid separation, and an end of the pin shaft that passes through the outer ring is provided with a connecting plate for limiting the displacement of the pin shaft, and a shock absorbing mechanism for shock absorbing during transmission is fixed to the outer wall of the connecting plate.

[0007] By adopting the above technical solution, the connecting mechanism allows the pin shaft of the tripod to drive the outer ring and the tripod bracket to be quickly installed, thereby improving processing efficiency.

[0008] Optionally, the connecting mechanism includes an insertion block, which is fixed at one end of the pin shaft passing through the insertion hole, and a pressing rod is slidably connected in the pin shaft, and a fixed shell is installed at one end of the pressing rod passing through the insertion block, and a sliding shell is slidably connected inside the two fixed shells, and a first damping spring is embedded in one side of the inner wall of the two fixed shells corresponding to the position of the sliding shell, the lower side of the two sliding shells slides against the limiting rod, and the upper side of the two sliding shells is fixed with a limiting block.

[0009] By adopting the above technical solution, the sliding shell contacts and pushes the limit rod, which is inserted into the insertion block and the reserved hole of the insertion hole, so that the pin shaft and the three-pin bracket are fixed.

[0010] Optionally, the insertion block is detachably connected to the pin shaft via a bolt, and the insertion block is movably connected to the fixed shell.

[0011] By adopting the above technical solution, the size of the connecting groove of the pin shaft matches the size of the fixed shell. When the sliding shell has not been inserted, it can be directly inserted into the connecting groove for quick installation.

[0012] Optionally, the sliding shell forms an elastic structure with the fixed shell through the first damping spring, and the sliding shell is tightly fitted with the limiting rod.

[0013] By adopting the above technical solution, after the fixed shell penetrates into the insertion block, the sliding shell is not limited, and the elasticity of the first damping spring resists and pushes the limit rod.

[0014] Optionally, the shock absorbing mechanism includes a connecting seat, which is embedded in the inner wall of the connecting plate, and the end of the connecting seat that passes through the connecting plate and faces the outer ring is movably connected with a universal ball, the universal ball passes through the outer wall of the connecting seat and is fixed with a second damping spring, and the end of the second damping spring that faces the outer ring is fixed with a sleeve, and a fixed block is fixedly arranged at the position of the outer ring corresponding to the sleeve.

[0015] By adopting the above technical solution, the second damping spring is arranged between the connecting plate and the outer ring to have a certain shock absorption performance, and at the same time, the connecting plate is provided with a threaded cap to seal the connecting groove where the pressing rod is located.

[0016] Optionally, the size of the sleeve matches that of the fixed block, and the sleeve is elastically connected to the universal ball via a second damping spring.

[0017] By adopting the above technical solution, the second damping spring is limited by the cooperation of the sleeve and the fixing block, so that one end of the second damping spring always faces the outer ring, thereby achieving a better shock absorption effect.

[0018] Optionally, a connection block is fixed to one end of the insertion block that passes through the insertion hole, and a limiting hole is provided at a position of the insertion hole corresponding to the connection block.

[0019] By adopting the above technical solution, the connecting block fixed at the bottom end of the insertion block is convenient for inserting into the reserved limiting hole of the insertion hole, thereby achieving a limiting effect to avoid shaking.

[0020] In summary, the beneficial effects of this application are as follows:

[0021] 1. The new type of the present application adopts a pressing rod to allow the fixed shell to penetrate into the interior of the insertion block. Then, under the operation of the first damping spring, the sliding shell passes through the fixed shell and pushes the limit rod to pass through the insertion block and enter the reserved hole of the insertion hole, so that the pin shaft and the three-pin bracket can be quickly installed and connected, thereby improving the efficiency and convenience of processing. The limit block is made of elastic material to prevent the sliding shell from being difficult to slide under the push of the first damping spring. At the same time, the limit block follows the sliding shell to slide into the reserved hole of the insertion block for limiting, thereby further improving the connection effect.

[0022] 2. The new model of the present application adopts the cooperation between the connecting seat and the universal ball, so that the second damping spring follows the connecting plate and is adjusted according to the rotation of the pin shaft, and the sleeve is limited by the fixed block, so that one end of the second damping spring always faces the outer ring. When fluctuations or vibrations occur, the second damping spring has a certain shock absorption effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the entire application;

[0024] Figure 2 It is a cross-sectional schematic diagram of this application;

[0025] Figure 3 This application Figure 2 A partial enlarged schematic diagram in the middle;

[0026] Figure 4 It is a schematic diagram of the fixed shell and the sliding shell of the present application;

[0027] Figure 5 It is a schematic diagram of the second damping spring of the present application.

[0028] Explanation of the accompanying drawings: In the figure: 1, three-pin bracket; 2, pin shaft; 3, insertion hole; 4, outer ring; 5, connecting mechanism; 501, insertion block; 502, pressing rod; 503, fixed shell; 504, first damping spring; 505, sliding shell; 506, limiting rod; 507, limiting block; 6, connecting plate; 7, shock absorbing mechanism; 701, connecting seat; 702, universal ball; 703, second damping spring; 704, sleeve; 705, fixed block; 8, connecting block; 9, limiting hole. DETAILED DESCRIPTION

[0029] The following is combined with Figure 1-5 This application is described in further detail.

[0030] Please refer to Figure 1-5 A tripod assembly includes a tripod frame 1, a pin shaft 2 for transmission connection is passed through the inner wall of the tripod frame 1, an insertion hole 3 for positioning the position of the pin shaft 2 is opened at the position of the outer wall of the tripod frame 1 corresponding to the position of the pin shaft 2, an outer ring 4 for angle adjustment and change is sleeved on the end of the pin shaft 2 away from the insertion hole 3, a connecting mechanism 5 for fixed connection with the tripod frame 1 to prevent separation is arranged on the end of the pin shaft 2 passing through the insertion hole 3, a connecting plate 6 for limiting the displacement of the pin shaft 2 is arranged on the end of the pin shaft 2 passing through the outer ring 4, and a shock absorbing mechanism 7 for shock absorption during transmission is fixed on the outer wall of the connecting plate 6;

[0031] A conventional tripod is formed by a tripod frame 1, a pin shaft 2 and an outer ring 4. The pin shaft 2 is inserted into the tripod frame 1 through an insertion hole 3, and a connecting mechanism 5 is arranged at one end to facilitate the rapid installation of the tripod and improve production efficiency. At the same time, one end of the pin shaft 2 passes through the outer ring 4 and is fixed with a connecting plate 6 for limiting to avoid loosening or detachment. At the same time, it cooperates with the shock absorbing mechanism 7 to have a certain shock absorption performance and improve the service life.

[0032] Reference Figure 1-5 , the connecting mechanism 5 includes an insertion block 501, which is fixed to one end of the pin shaft 2 that penetrates the insertion hole 3, a pressing rod 502 is slidably connected in the pin shaft 2, and a fixed shell 503 is installed at one end of the pressing rod 502 that penetrates the insertion block 501, and the two fixed shells 503 are slidably connected with sliding shells 505 inside, and the inner wall of the two fixed shells 503 is embedded with a first damping spring 504 at a position corresponding to the sliding shell 505, and the lower side of the two sliding shells 505 slides against the limit rod 506, and the upper side of the two sliding shells 505 is fixed with a limit block 507, the insertion block 501 is detachably connected to the pin shaft 2 by a bolt, and the insertion block 501 is movably connected to the fixed shell 503, and the sliding shell 505 forms an elastic structure with the fixed shell 503 through the first damping spring 504, and the sliding shell 505 is tightly fitted with the limit rod 506;

[0033] The pressing rod 502 is pressed to allow the fixed shell 503 to penetrate into the interior of the insertion block 501. Subsequently, under the operation of the first damping spring 504, the sliding shell 505 penetrates out of the fixed shell 503, and pushes the limiting rod 506 to penetrate out of the insertion block 501 and enter the reserved hole of the insertion hole 3, so that the pin shaft 2 and the tripod 1 can be quickly installed and connected, thereby improving the efficiency and convenience of processing. The limiting block 507 is made of elastic material to prevent the sliding shell 505 from being difficult to slide under the push of the first damping spring 504. At the same time, the limiting block 507 follows the sliding shell 505 to slide into the reserved hole of the insertion block 501 for limiting, thereby further improving the connection effect.

[0034] Reference Figure 1 , Figure 2 and Figure 5The shock absorbing mechanism 7 includes a connecting seat 701, which is embedded in the inner wall of the connecting plate 6. The end of the connecting seat 701 that passes through the connecting plate 6 and faces the outer ring 4 is movably connected with a universal ball 702. The universal ball 702 passes through the outer wall of the connecting seat 701 and is fixed with a second damping spring 703. The end of the second damping spring 703 that faces the outer ring 4 is fixed with a sleeve 704. The outer ring 4 is fixed with a fixed block 705 at a position corresponding to the sleeve 704. The size of the sleeve 704 matches the size of the fixed block 705. The sleeve 704 is elastically connected to the universal ball 702 through the second damping spring 703. The end of the insertion block 501 that passes through the insertion hole 3 is fixed with a connecting block 8. The insertion hole 3 is provided with a limiting hole 9 at a position corresponding to the connecting block 8.

[0035] Through the cooperation of the connecting seat 701 and the universal ball 702, the second damping spring 703 can follow the connecting plate 6 and be adjusted according to the rotation of the pin shaft 2. The sleeve 704 is limited by the fixing block 705, so that one end of the second damping spring 703 always faces the outer ring 4. When fluctuations or vibrations occur, the second damping spring 703 has a certain shock absorption effect.

[0036] The implementation principle of the present application is as follows: a conventional tripod is formed by a tripod frame 1, a pin shaft 2 and an outer ring 4, an insertion block 501 at one end of the pin shaft 2 is inserted into the tripod frame 1 through the insertion hole 3, and at the same time, a screwdriver or a screwdriver is used to push the pressing rod 502 to allow the fixed shell 503 to penetrate into the insertion block 501, and the two first damping springs 504 push the sliding shell 505 to penetrate out of the fixed shell 503, from the resistance to the limit rod 506, so that the limit rod 506 penetrates out of the insertion block 501 and penetrates into the reserved hole in the insertion hole 3, thereby fixing the insertion block 501 , so that the pin shaft 2 and the three-pin bracket 1 are fixed, and at the same time, the sliding shell 505 is limited to each other with the insertion block 501 after passing through, so as to prevent the fixed shell 503 from detaching or loosening. The elastic limiting block 507 arranged in conjunction with the sliding shell 505 is convenient for flattening under pressure, so as to prevent the sliding shell 505 from being difficult to slide when the first damping spring 504 is extended. The limiting block 507 penetrates into the reserved opening of the insertion block 501 for limiting, thereby improving the fixity of the connection, and the connecting block 8 fixed by the insertion block 501 penetrates into the limiting hole 9 opened in the insertion hole 3 to play a limiting effect.

[0037] The connecting plate 6 is used to limit the pin 2 to prevent it from detaching from the outer ring 4. At the same time, the connecting seat 701 embedded in the connecting plate 6 and the assembled universal ball 702 facilitate the second damping spring 703 to adjust according to the angle after the connecting plate 6 and the pin 2 are rotated under force. At the same time, the sleeve 704 fixed to the second damping spring 703 is sleeved on the fixed block 705, which has a certain shock-absorbing effect when shaking occurs. At the same time, the sleeve 704 is provided with a sliding groove, and the fixed block 705 corresponds to the sliding groove to fix the slider for mutual engagement to prevent detachment.

[0038] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A tripod pin assembly, comprising a tripod bracket (1), wherein a pin shaft (2) for transmission connection is penetrated through the inner wall of the tripod bracket (1), and an insertion hole (3) for locating the position of the pin shaft (2) is opened on the outer wall of the tripod bracket (1) at a position corresponding to the pin shaft (2), and an outer ring (4) for angle adjustment and change is sleeved on one end of the pin shaft (2) away from the insertion hole (3), characterized in that: The end of the pin shaft (2) that passes through the insertion hole (3) is provided with a connection mechanism (5) for fixedly connecting with the tripod bracket (1) to prevent separation, and the end of the pin shaft (2) that passes through the outer ring (4) is provided with a connection plate (6) for limiting the displacement of the pin shaft (2), and the outer wall of the connection plate (6) is fixed with a shock absorbing mechanism (7) for shock absorption during the transmission process; the connection mechanism (5) comprises an insertion block (501), the insertion block (501) is fixed to the end of the pin shaft (2) that passes through the insertion hole (3), and the pin shaft (2) is slidably connected with a A pressing rod (502), one end of the pressing rod (502) that penetrates into the insertion block (501) is installed with a fixed shell (503), the interiors of the two fixed shells (503) are slidably connected with sliding shells (505), a first damping spring (504) is embedded at a position corresponding to the sliding shell (505) on one side of the inner wall of the two fixed shells (503), the lower side of the two sliding shells (505) slides against the limit rod (506), and the upper side of the two sliding shells (505) is fixed with a limit block (507).

2. A tripod assembly according to claim 1, characterized in that: The insertion block (501) is detachably connected to the pin shaft (2) via bolts, and the insertion block (501) is movably connected to the fixed shell (503).

3. A tripod assembly according to claim 1, characterized in that: The sliding shell (505) forms an elastic structure with the fixed shell (503) through the first damping spring (504), and the sliding shell (505) is tightly fitted with the limiting rod (506).

4. A tripod assembly according to claim 1, characterized in that: The damping mechanism (7) comprises a connecting seat (701), the connecting seat (701) being embedded in the inner wall of the connecting plate (6), and the end of the connecting seat (701) passing through the connecting plate (6) and facing the outer ring (4) is movably connected to a universal ball (702), the universal ball (702) passing through the outer wall of the connecting seat (701) is fixed with a second damping spring (703), and the end of the second damping spring (703) facing the outer ring (4) is fixed with a sleeve (704), and a fixing block (705) is fixedly provided at a position of the outer ring (4) corresponding to the sleeve (704).

5. A tripod assembly according to claim 4, characterized in that: The size of the sleeve (704) matches the size of the fixed block (705), and the sleeve (704) is elastically connected to the universal ball (702) via a second damping spring (703).

6. A tripod assembly according to claim 2, characterized in that: A connection block (8) is fixed to one end of the insertion block (501) that penetrates into the insertion hole (3), and a limiting hole (9) is provided in the insertion hole (3) at a position corresponding to the connection block (8).

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