Joint fork with limiting structure

Abstract

The utility model discloses a joint fork with a limiting structure, which comprises an assembly hole arranged at the upper end of a joint fork main body, a connecting seat arranged below the joint fork main body, a limiting block arranged on the inner side of the joint fork main body, and an elastic mounting plate arranged below the limiting block; the mounting cavity is formed in the bottom of the yoke body, two moving seats are arranged in the mounting cavity, linkage rods are arranged between the two moving seats and the elastic mounting plate, and the two ends of the linkage rods are rotationally connected with the elastic mounting plate and the moving seats correspondingly; a two-way adjusting screw rod is arranged on one side of the joint fork body and penetrates through the movable base, an adjustable limiting mechanism is arranged in the joint fork and can play a role in limiting a connected connecting rod, the connecting rod is effectively prevented from shaking by a large margin, the connecting rod and the joint fork are stably connected, and the risk of falling off can be prevented. And the use effect of the yoke is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of yokes, in particular to a yoke with a limiting structure. Background Art

[0002] The yoke is the main component of the universal joint assembly and one of the important parts in the steering axle of the car. The yoke is a component that realizes the power transmission with changing angles. The combination of the yoke and the drive shaft is called a yoke transmission device. In order to meet the power transmission, adapt to the angle changes caused by the up and down jumps generated during the steering and running of the car, the drive axle of the front-drive car is often connected with a yoke between the half shaft and the wheel axle. The yoke is a component that realizes the power transmission with changing angles. It is used in the position where the direction of the transmission axis needs to be changed. It is often used in cars. Its function is to connect the ball pin and the tie rod of the vehicle.

[0003] The Chinese patent publication number is CN219673128U, and the authorization announcement date is September 12, 2023. A yoke with a limiting structure relates to the technical field of yokes, a connecting cylinder, which is arranged below the yoke limiting arc block, and the connecting cylinder and the yoke limiting arc block are an integrated structure, and a limiting arc block is arranged at the middle position above the yoke limiting arc block, and the limiting arc block and the yoke limiting arc block are fixedly connected by a connecting soft column; a limiting soft protrusion, which is arranged above the limiting arc block, and the limiting soft protrusion is adhesively connected to the limiting arc block, and there are more than two limiting soft protrusions, and upper fixing ring blocks are arranged at both ends above the yoke limiting arc block. This yoke with a limiting structure can make the fixing of the limiting arc block and the limiting soft protrusion more convenient through the design of the connecting soft column, and the combination design of the limiting arc block, the limiting soft protrusion and the connecting soft column can effectively increase the limiting property of the material during use.

[0004] The existing yoke may shake between the connecting rod and the yoke during use, and the elastic deformation capacity of the yoke decreases, which may cause the connection part to become loose. There is no limiting mechanism inside the yoke, and there is a risk of falling off, which reduces the use effect of the yoke and cannot meet the use requirements. Utility Model Content

[0005] The purpose of the utility model is to provide a yoke with a limiting structure to solve the problem in the above background technology that the existing yoke may shake between the connecting rod when in use, the elastic deformation capacity of the yoke decreases, which may cause the connection part to loosen, and there is no limiting mechanism inside the yoke, which may cause the risk of falling off, thereby reducing the use effect of the yoke and failing to meet the use requirements.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a yoke with a limiting structure, comprising a yoke body and a transmission shaft, and also comprising:

[0007] An assembly hole is arranged at the upper end of the yoke body, two assembly holes are arranged, and the yoke body is arranged in a U shape, a connecting seat is arranged below the yoke body, and the connecting seat and the yoke body are arranged as a whole, a limit block is arranged on the inner side of the yoke body, an elastic mounting plate is arranged below the limit block, and the elastic mounting plate is fixedly connected to the limit block;

[0008] An installation cavity is arranged at the bottom of the yoke body, and a movable seat is arranged inside the installation cavity. There are two movable seats, and a linkage rod is arranged between the two movable seats and the elastic mounting plate, and the two ends of the linkage rod are rotatably connected with the elastic mounting plate and the movable seat respectively. A two-way adjustment screw is arranged on one side of the yoke body, and the two-way adjustment screw is rotatably connected with the yoke body, the two-way adjustment screw and the movable seat are penetrated, and the two-way adjustment screw is threadedly connected with the movable seat.

[0009] Preferably, a ball bearing is provided at the upper end of the limit block, at least six balls are provided, and the balls are rollingly connected to the limit block.

[0010] Preferably, a first slide groove is provided on the side wall of the yoke body, and two first slide grooves are provided. Slide blocks are provided on both sides of the limit block, and the slide blocks are fixedly connected to the limit block. One end of the slide block extends to the interior of the first slide groove, and the slide block is slidably connected to the yoke body.

[0011] Preferably, a second slide groove is provided at the bottom of the installation cavity, and two second slide grooves are provided. The lower end of the movable seat extends to the inside of the second slide groove, and the movable seat is slidably connected to the yoke body.

[0012] Preferably, a threaded hole is provided on the side wall of one end of the transmission shaft, two threaded holes are provided, and the two threaded holes are provided on both sides of the transmission shaft, a connecting hole is provided at one end of the connecting seat, and the connecting hole is provided corresponding to the transmission shaft, a connecting bolt is provided on the outside of the connecting seat, two connecting bolts are provided, and the connecting bolt and the connecting seat are connected, and the threaded hole and the connecting bolt are provided correspondingly.

[0013] Preferably, a connecting strip is provided inside the connecting hole, and the connecting strip is fixedly connected to the connecting seat, and a key slot is provided on the outer wall of one end of the transmission shaft, and the key slot is provided corresponding to the connecting strip.

[0014] Preferably, the outside of the transmission shaft is provided with anti-impact strips, six anti-impact strips are provided, and the six anti-impact strips are equidistantly arranged outside the transmission shaft, and the anti-impact strips and the transmission shaft are integrated.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The utility model device is provided with a limit block, an elastic mounting plate, a two-way adjustment screw, a moving seat and a linkage rod. The two-way adjustment screw is threadedly connected with the moving seat. The two-way adjustment screw is rotated to drive the two moving seats to move synchronously along the second slide groove. The moving moving seat drives the linkage rod to rotate. The rotating linkage rod drives the elastic mounting plate to be lifted and adjusted, and the position of the limit block in the yoke is changed. The limit block plays a limiting role on the connector. The elastic mounting plate makes the installed limit block have a buffering effect, and the impact force is buffered and released when the connector contacts the limit block.

[0017] 2. The utility model device is provided with a connecting bolt, an impact-resistant strip, a connecting strip, a keyway, and a threaded hole. The connecting strip is inserted into the keyway to position the connected transmission shaft, thereby ensuring the precise connection between the transmission shaft and the connecting seat. The connecting bolt is screwed into the threaded hole to connect with the transmission shaft, thereby limiting the transmission shaft inserted into the connecting hole and improving the firmness of the connection between the transmission shaft and the connecting seat. The impact-resistant strip increases the structural strength of the transmission shaft and can also remove the internal stress of the transmission shaft, thereby increasing the service life of the transmission shaft. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a cross-sectional view of the utility model;

[0020] Figure 3 For the utility model Figure 2 A partial enlarged view of area A;

[0021] Figure 4 This is a main structural diagram of the connecting seat of the utility model;

[0022] Figure 5 This is a structural diagram of the transmission shaft of the utility model.

[0023] In the figure: 1. yoke body; 2. assembly hole; 3. limit block; 4. elastic mounting plate; 5. ball bearing; 6. connecting seat; 7. transmission shaft; 8. connecting bolt; 9. anti-impact strip; 10. connecting hole; 11. connecting strip; 12. first slide groove; 13. slider; 14. two-way adjustment screw; 15. mounting cavity; 16. moving seat; 17. second slide groove; 18. linkage rod; 19. keyway; 20. threaded hole. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0025] See also Figure 1-5The utility model provides an embodiment: a yoke with a limiting structure, including a yoke body 1 and a transmission shaft 7, and also includes:

[0026] An assembly hole 2 is arranged at the upper end of the yoke body 1, two assembly holes 2 are arranged, and the yoke body 1 is arranged in a U-shape, a connecting seat 6 is arranged below the yoke body 1, and the connecting seat 6 and the yoke body 1 are arranged as one body, a limiting block 3 is arranged on the inner side of the yoke body 1, an elastic mounting plate 4 is arranged below the limiting block 3, and the elastic mounting plate 4 is fixedly connected to the limiting block 3;

[0027] An installation cavity 15 is arranged at the bottom of the yoke body 1. A moving seat 16 is arranged inside the installation cavity 15. Two moving seats 16 are arranged. A linkage rod 18 is arranged between the two moving seats 16 and the elastic mounting plate 4. The two ends of the linkage rod 18 are rotatably connected with the elastic mounting plate 4 and the moving seat 16 respectively. A two-way adjusting screw 14 is arranged on one side of the yoke body 1. The two-way adjusting screw 14 is rotatably connected with the yoke body 1. The two-way adjusting screw 14 and the moving seat 16 are penetrated and threadedly connected with the two-way adjusting screw 14 and the moving seat 16.

[0028] During use: connect the yoke to the object through the assembly hole 2, rotate the bidirectional adjustment screw 14 to drive the two moving seats 16 to move synchronously in the installation cavity 15, the moving moving seat 16 drives the linkage rod 18 to rotate, and the rotating linkage rod 18 drives the elastic mounting plate 4 to rise and fall, change the position of the limit block 3 in the yoke, and limit the connector through the limit block 3.

[0029] See also Figure 1 A ball 5 is arranged at the upper end of the limit block 3 , at least six balls 5 are arranged, and the ball 5 is rollingly connected to the limit block 3 .

[0030] See also Figure 2 A first slide groove 12 is provided on the side wall of the yoke body 1, and two first slide grooves 12 are provided. Slide blocks 13 are provided on both sides of the limit block 3, and the slide blocks 13 are fixedly connected to the limit block 3. One end of the slide block 13 extends to the inside of the first slide groove 12, and the slide block 13 is slidably connected to the yoke body 1. The first slide groove 12 and the slide block 13 can not only connect the limit block 3 to the yoke, but also play a guiding and limiting role for the adjusted limit block 3.

[0031] See also Figure 2 and Figure 3 A second slide groove 17 is provided at the bottom of the installation cavity 15, and two second slide grooves 17 are provided. The lower end of the movable seat 16 extends to the inside of the second slide groove 17, and the movable seat 16 is slidably connected with the yoke body 1, and the second slide groove 17 plays a guiding and limiting role for the movable movable seat 16.

[0032] See also Figure 1 , Figure 4 and Figure 5 A threaded hole 20 is provided on the side wall of one end of the transmission shaft 7. There are two threaded holes 20, and the two threaded holes 20 are provided on both sides of the transmission shaft 7. A connecting hole 10 is provided at one end of the connecting seat 6, and the connecting hole 10 is provided corresponding to the transmission shaft 7. A connecting bolt 8 is provided on the outside of the connecting seat 6. There are two connecting bolts 8, and the connecting bolt 8 is through-set with the connecting seat 6. The threaded hole 20 is provided corresponding to the connecting bolt 8. The connecting bolt 8 is screwed into the threaded hole 20 to be connected with the transmission shaft 7, which plays a limiting role on the transmission shaft 7 inserted into the connecting hole 10, thereby improving the connection firmness between the transmission shaft 7 and the connecting seat 6.

[0033] See also Figure 4 and Figure 5 A connecting strip 11 is provided inside the connecting hole 10, and the connecting strip 11 is fixedly connected to the connecting seat 6. A key groove 19 is provided on the outer wall of one end of the transmission shaft 7, and the key groove 19 is provided corresponding to the connecting strip 11. The connecting strip 11 is aligned with the key groove 19 and inserted, which plays a positioning role for the connected transmission shaft 7, ensuring that the transmission shaft 7 and the connecting seat 6 are accurately connected.

[0034] See also Figure 1 and Figure 5 An anti-impact strip 9 is arranged on the outside of the transmission shaft 7. There are six anti-impact strips 9, and the six anti-impact strips 9 are arranged equidistantly on the outside of the transmission shaft 7. The anti-impact strips 9 and the transmission shaft 7 are arranged as a whole. The anti-impact strips 9 increase the structural strength of the transmission shaft 7, and can also relieve the internal stress of the transmission shaft 7, thereby increasing the service life of the transmission shaft 7.

[0035] Working principle: connect the yoke and the connector through the assembly hole 2, rotate the two-way adjustment screw 14 to drive the two moving seats 16 to move synchronously in the installation cavity 15, the moving seat 16 drives the linkage rod 18 to rotate, and the rotating linkage rod 18 drives the elastic mounting plate 4 to rise and fall and adjust, thereby changing the position of the limit block 3 in the yoke, and limiting the connector through the limit block 3; align the connecting strip 11 with the key slot 19, insert one end of the transmission shaft 7 into the connecting hole 10, and use the connecting bolt 8 to limit the transmission shaft 7 inserted into the connecting hole 10, firmly connect the transmission shaft 7 and the connecting seat 6, and facilitate the removal of the transmission shaft 7 for maintenance; the impact resistance strip 9 increases the structural strength of the transmission shaft 7, and can also remove the internal stress of the transmission shaft 7, thereby increasing the service life of the transmission shaft 7.

[0036] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A yoke with a limiting structure, comprising a yoke body (1) and a transmission shaft (7), characterized in that: Also includes: An assembly hole (2) is arranged at the upper end of the yoke body (1), two assembly holes (2) are arranged, and the yoke body (1) is arranged in a U-shape, a connecting seat (6) is arranged below the yoke body (1), and the connecting seat (6) and the yoke body (1) are arranged as a whole, a limiting block (3) is arranged on the inner side of the yoke body (1), an elastic mounting plate (4) is arranged below the limiting block (3), and the elastic mounting plate (4) is fixedly connected to the limiting block (3); A mounting cavity (15) is arranged at the bottom of the yoke body (1), and a movable seat (16) is arranged inside the mounting cavity (15). Two movable seats (16) are arranged, and a linkage rod (18) is arranged between the two movable seats (16) and the elastic mounting plate (4), and the two ends of the linkage rod (18) are rotatably connected to the elastic mounting plate (4) and the movable seat (16) respectively. A bidirectional adjustment screw (14) is arranged on one side of the yoke body (1), and the bidirectional adjustment screw (14) is rotatably connected to the yoke body (1), and the bidirectional adjustment screw (14) and the movable seat (16) are arranged through each other, and the bidirectional adjustment screw (14) and the movable seat (16) are threadedly connected.

2. A yoke with a limiting structure according to claim 1, characterized in that: A ball (5) is arranged at the upper end of the limit block (3), at least six balls (5) are arranged, and the balls (5) are rollingly connected to the limit block (3).

3. The yoke with a limiting structure according to claim 1, characterized in that: A first slide groove (12) is arranged on the side wall of the yoke body (1), and two first slide grooves (12) are arranged. Slide blocks (13) are arranged on both sides of the limit block (3), and the slide blocks (13) are fixedly connected to the limit block (3). One end of the slide block (13) extends into the interior of the first slide groove (12), and the slide block (13) is slidably connected to the yoke body (1).

4. The yoke with a limiting structure according to claim 1, characterized in that: A second slide groove (17) is provided at the bottom of the installation cavity (15), and two second slide grooves (17) are provided. The lower end of the movable seat (16) extends to the inside of the second slide groove (17), and the movable seat (16) is slidably connected to the yoke body (1).

5. The yoke with a limiting structure according to claim 1, characterized in that: A threaded hole (20) is provided on the side wall of one end of the transmission shaft (7), two threaded holes (20) are provided, and the two threaded holes (20) are provided on both sides of the transmission shaft (7), a connecting hole (10) is provided on one end of the connecting seat (6), and the connecting hole (10) is provided corresponding to the transmission shaft (7), a connecting bolt (8) is provided outside the connecting seat (6), two connecting bolts (8) are provided, and the connecting bolt (8) and the connecting seat (6) are connected, and the threaded hole (20) and the connecting bolt (8) are provided corresponding to each other.

6. The yoke with a limiting structure according to claim 5, characterized in that: A connecting strip (11) is arranged inside the connecting hole (10), and the connecting strip (11) is fixedly connected to the connecting seat (6); a key groove (19) is arranged on the outer wall of one end of the transmission shaft (7), and the key groove (19) and the connecting strip (11) are arranged correspondingly.

7. The yoke with a limiting structure according to claim 1, characterized in that: The transmission shaft (7) is provided with an anti-impact strip (9) on the outside, six anti-impact strips (9) are provided, and the six anti-impact strips (9) are arranged equidistantly on the outside of the transmission shaft (7), and the anti-impact strip (9) and the transmission shaft (7) are arranged as a whole.

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