Controllable bridle forearm frame mounting structure

Abstract

The utility model discloses a controllable bridle forearm frame mounting structure which comprises a bolt and a forearm arranged on a suspension, and the forearm is connected with a frame through the bolt. The front arm can rotate along the track line under the length of the bridle, so that the front arm can be aligned with a frame hole site, and fastening is facilitated; after assembly and connection, the angle of the front arm can be adjusted within the controllable range of the bridle; therefore, the frame and the suspension are kept in flexible connection, and the adaptability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of snowmobile suspension connection, and more specifically, it relates to a controllable belt front arm frame mounting structure. Background Art

[0002] A snowmobile is equipped with a rear suspension. In the prior art, the front arm between the frame and the suspension is connected by welding, which is difficult to assemble. The frame and the front arm are welded together, and the front arm cannot rotate relative to the front arm. It is difficult for the front arm to rotate around the rotating shaft, and the adaptability is poor.

[0003] The invention patent with the application number 202210144629.8 of the State Intellectual Property Office discloses a new type of mobile service vehicle. The telescopic crane is installed at the front end of the cargo compartment and is connected to the auxiliary frame and the frame through U-shaped bolts. The U-shaped bolts cannot adjust the relative angle of the frame during operation and cannot achieve flexible connection. Content of the Utility Model

[0004] To solve the above technical problems, the utility model provides a controllable belt front arm frame mounting structure, which includes a bolt and a front arm provided on the suspension. The front arm and the frame are connected by bolts.

[0005] Preferably, a clamping position is provided on the frame. The bolt passes through this clamping position, and the end of the bolt is threadedly connected to the front arm.

[0006] Preferably, the clamping position is a round hole.

[0007] Preferably, a thread hole axially arranged is provided at the end of the front arm, and the end of the bolt is connected to this thread hole.

[0008] Preferably, a clamping position is provided on the frame. The bolt passes through this clamping position; the front arm is tubular, an inner rod is provided inside the front arm, a thread hole is provided at the end of the inner rod, and the bolt is threadedly connected to the end of the inner rod.

[0009] Preferably, a through hole is provided on the frame. The end of the front arm passes through this through hole. An internal thread is provided at the end of the front arm. The bolt is threadedly connected to the front arm, and the head of the bolt blocks outside the frame.

[0010] Preferably, a protrusion is provided on the outer wall at the end of the front arm. The frame is located between the head of the bolt and the protrusion, and the protrusion abuts against the frame inside the frame.

[0011] Preferably, the suspension includes a frame body. A rotating shaft is provided on the upper surface in the middle of the frame body. The rotating shaft is connected to the front arm through connecting rods on the left and right, and the front arm can rotate around the rotating shaft.

[0012] Preferably, a bottom rod is provided at the bottom of the front end of the frame body. The bottom rod and the front arm are connected by a strap on both sides. The bottom end of the strap is fixed to the bottom rod, and the strap is a lasso-shaped socket on the front arm; there are two straps.

[0013] Preferably, the front arm is connected to the top end of the middle spring at the middle position, and the bottom end of the middle spring is connected to the cross beam of the frame body. Beneficial effects

[0014] The front arm of the utility model can rotate along the track line under the length of the strap, so that the front arm can be aligned with the hole position of the vehicle frame for convenient fastening; after the assembly connection, the front arm can adjust the angle within the controllable range of the strap; thus, the vehicle frame and the suspension are kept in soft connection with strong adaptability. Description of the drawings

[0015] Figure 1 It is a schematic structural diagram of the suspension.

[0016] Figure 2 It is a three-dimensional view of the suspension connecting bolt of the utility model.

[0017] Figure 3 It is a top view of the suspension connecting bolt of the utility model.

[0018] Figure 4 It is a cross-sectional view of the controllable strap front arm vehicle frame mounting structure of Embodiment 1 of the utility model.

[0019] Figure 5 It is a cross-sectional view of the controllable strap front arm vehicle frame mounting structure of Embodiment 2 of the utility model.

[0020] Figure 6 It is a cross-sectional view of the controllable strap front arm vehicle frame mounting structure of Embodiment 3 of the utility model.

[0021] Figure 7 It is a cross-sectional view of the controllable strap front arm vehicle frame mounting structure of Embodiment 4 of the utility model.

[0022] Figure 8 It is a cross-sectional view of the controllable strap front arm vehicle frame mounting structure of Embodiment 5 of the utility model.

[0023] In the figure: 1. Front arm, 2. Rotating shaft, 3. Bottom rod, 4. Strap, 5. Frame body, 6. Connecting rod, 7. Middle spring, 8. Bolt, 9. Vehicle frame, 10. Inner rod, 11. Protrusion. Specific embodiments

[0024] The following are specific embodiments, and in combination with the drawings, the technical solutions of the utility model are further specifically described.

[0025] Embodiment 1: As Figure 1-4As shown in the figure, the utility model discloses a controllable belt front arm frame mounting structure, which includes a front arm 1 arranged on a suspension. The front arm 1 is connected to a frame 9 by a bolt 8.

[0026] A clamping position is provided on the frame 9. The bolt 8 passes through this clamping position, and the end of the bolt 8 is threadedly connected to the front arm 1. The clamping position restricts the bolt 8 to prevent the bolt 8 from disconnecting from the frame 9.

[0027] The clamping position is a round hole.

[0028] The front arm 1 is tubular, and an internal thread is provided at the end of the front arm 1. The bolt 8 is threadedly connected to the end of the front arm 1.

[0029] The bolt 8 is threadedly connected to the end of the front arm 1, and the head of the bolt 8 abuts against the outside of the frame 9.

[0030] The suspension includes a frame body 5. A rotating shaft 2 is provided on the upper surface of the middle part of the frame body 5. The rotating shaft 2 is connected to the front arm 1 by a connecting rod 6 on the left and right. The connecting rod 6 can rotate around the rotating shaft 2, thereby driving the front arm 1 to rotate around the rotating shaft 2; the connecting rod 6 is fixedly connected to the front arm 1 at the end.

[0031] A bottom rod 3 is provided at the bottom of the front end of the frame body 5. The bottom rod 3 and the front arm 1 are connected by a belt 4 on both sides. The bottom end of the belt 4 is fixed to the bottom rod 3. The belt 4 is a lasso-shaped and sleeved on the front arm 1; the belt 4 is made of a flexible material.

[0032] There are two belts 4.

[0033] The front arm 1 is connected to the top end of an intermediate spring 7 at the middle position, and the bottom end of the intermediate spring 7 is connected to the cross beam of the frame body 5.

[0034] When the front arm 1 and the frame 9 of the utility model are connected by the bolt 8, the front arm 1 can be adjusted to rotate a certain angle around the rotating shaft 2 to align the front arm 1 with the hole position of the frame 9. The bolt 8 is fixed to the front arm 1, and the front arm 1 can adjust the angle within the controllable range of the belt 4.

[0035] The bottom end of the belt 4 is fixed to the bottom rod 3, and the bottom end can be sleeved on the bottom rod 3 and fixed by a screw. The belt 4 is a lasso-shaped and sleeved on the front arm 1.

[0036] Each time the rear suspension is adjusted, check the track tension and adjust it as needed.

[0037] The belt 4 is also called a stop belt, and the length of the stop belt affects the stroke of the intermediate spring 7.

[0038] Increase the length of the stop belt, reduce the sled pressure during acceleration, and increase the stroke of the intermediate spring 7.

[0039] The forearm 1 of the present utility model can rotate along the trajectory line under the length of the strap 4, so that the forearm 1 can be aligned with the hole position of the frame 9, facilitating fastening; after the bolt connection, the forearm 1 can still rotate a certain angle relative to each other, facilitating the adjustment of the stop strap.

[0040] Embodiment 2: As Figure 1 , 2 , 3, 5 show, the present utility model discloses a controllable strap forearm frame mounting structure, including a forearm 1 provided on the suspension.

[0041] A clamping position is provided on the frame 9, and a bolt 8 passes through this clamping position, and the clamping position restricts the bolt 8 so that the bolt 8 is not disconnected from the frame 9.

[0042] The clamping position can be a round hole or a square hole.

[0043] The forearm 1 is tubular, an inner rod 10 is provided inside the forearm 1, a threaded hole is provided at the end of the inner rod 10, and the bolt 8 is threadedly connected to the end of the inner rod 10.

[0044] In this embodiment, an inner rod 10 is provided inside the forearm 1, the bolt 8 and the inner rod 10 are threadedly connected, the inner rod 10 can rotate relative to the forearm 1, or the inner rod 10 and the forearm 1 can be fixedly connected.

[0045] The head of the bolt 8 abuts against the outside of the frame 9.

[0046] The suspension includes a frame body 5, a rotating shaft 2 is provided on the upper surface of the middle part of the frame body 5, the rotating shaft 2 is connected to the forearm 1 through connecting rods 6 on the left and right, the connecting rods 6 can rotate around the rotating shaft 2, and the connecting rods 6 are fixedly connected to the forearm 1 at the ends.

[0047] A bottom rod 3 is provided at the bottom of the front end of the frame body 5, and the bottom rod 3 and the forearm 1 are connected by straps 4 on both sides. The bottom end of the strap 4 is fixed to the bottom rod 3, and the strap 4 is a lasso-shaped socket on the forearm 1.

[0048] There are two straps 4.

[0049] The middle position of the forearm 1 is connected to the top end of the middle spring 7, and the bottom end of the middle spring 7 is connected to the cross beam of the frame body 5.

[0050] When the inner rod 10 inside the forearm 1 of the present utility model and the frame 9 are connected by bolts 8, the forearm 1 can be adjusted to rotate a certain angle around the rotating shaft 2, so that the forearm 1 is aligned with the hole position of the frame 9, and the bolt 8 is fixed to the inner rod 10 inside the forearm 1. After assembly, the forearm 1 can still adjust the angle within the controllable range of the strap 4.

[0051] The bottom end of the strap 4 is fixed to the bottom rod 3, can be socketed on the bottom rod 3, fixed by screws, the strap 4 is a lasso-shaped socket on the forearm 1, and the strap 4 is made of flexible material.

[0052] Each time when adjusting the unsolved case later, check the crawler belt tension and adjust it as needed.

[0053] The strap 4 is also called the stop belt, and the length of the stop belt affects the stroke of the middle spring 7.

[0054] Increase the length of the stop belt, reduce the sled pressure during acceleration, and increase the stroke of the middle spring 7.

[0055] The front arm 1 can rotate along the track line at the length of the strap 4, so that the front arm 1 can be aligned with the hole position of the frame 9, which is convenient for fastening. After the bolt connection, the front arm 1 can still rotate a certain angle, which is convenient for adjusting the stop belt.

[0056] Embodiment 3: As Figure 1 、 2 、shown in FIGS. 3 and 6, the utility model discloses a controllable strap front arm frame mounting structure, which includes a front arm 1 provided on a suspension. The front arm 1 is connected to a frame 9 through a bolt 8.

[0057] A clamping position is provided on the frame 9. The bolt 8 passes through this clamping position, and the end of the bolt 8 is threadedly connected to the front arm 1. The clamping position restricts the bolt 8 so that the bolt 8 does not disconnect from the frame 9.

[0058] The front arm 1 is a solid rod, and a threaded hole axially provided is provided at the end of the front arm 1. The end of the bolt 8 is connected to this threaded hole.

[0059] The clamping position is a round hole.

[0060] Internal threads are provided at the end of the front arm 1, and the bolt 8 is threadedly connected to the end of the front arm 1. The head of the bolt 8 abuts against the outside of the frame 9.

[0061] The suspension includes a frame body 5. A rotating shaft 2 is provided on the upper surface of the middle part of the frame body 5. The rotating shaft 2 is connected to the front arm 1 through connecting rods 6 on the left and right. The connecting rods 6 can rotate around the rotating shaft 2, and the connecting rods 6 are fixedly connected to the front arm 1 at the ends.

[0062] A bottom rod 3 is provided at the bottom of the front end of the frame body 5. The bottom rod 3 and the front arm 1 are connected through straps 4 on both sides. The bottom end of the strap 4 is fixed to the bottom rod 3, and the strap 4 is sleeved on the front arm 1 in a lasso shape.

[0063] There are two straps 4.

[0064] The front arm 1 is connected to the top end of a middle spring 7 at the middle position, and the bottom end of the middle spring 7 is connected to the cross beam of the frame body 5.

[0065] When the front arm 1 of the utility model is connected to the vehicle frame 9 by bolts 8, the front arm 1 can be adjusted to rotate a certain angle around the rotating shaft 2, so that the front arm 1 is aligned with the hole position of the vehicle frame 9. The bolt 8 is fixed to the front arm 1, and the front arm 1 can adjust the angle within the controllable range of the strap 4.

[0066] The bottom rod 3 and the front arm 1 are connected on both sides by a strap 4. The bottom end of the strap 4 is fixed to the bottom rod 3, and it can be sleeved on the bottom rod 3 and fixed by screws. The strap 4 is sleeved on the front arm 1 in a lasso shape.

[0067] When adjusting the rear suspension each time, check the track tension and adjust it as needed.

[0068] The strap 4 is also called a stop strap, and the length of the stop strap affects the stroke of the middle spring 7.

[0069] Increase the length of the stop strap, reduce the sled pressure during acceleration, and increase the stroke of the middle spring 7.

[0070] The front arm 1 can rotate along the trajectory line under the length of the strap 4, so that the front arm 1 can be aligned with the hole position of the vehicle frame 9 for convenient fastening. After the bolt connection, the front arm 1 can still rotate a certain angle relatively, which is convenient for adjusting the stop strap.

[0071] Embodiment 4: As Figure 1 、 2 、3, and 7 show, the utility model discloses a controllable strap front arm vehicle frame installation structure, including a front arm 1 arranged on the suspension, and the front arm 1 is connected to the vehicle frame 9 by bolts 8.

[0072] The vehicle frame 9 is provided with a clamping position, the front arm 1 passes through this clamping position, and the front arm 1 is connected to the bolt 8 at the end. The clamping position restricts the bolt 8 so that the bolt 8 does not disconnect from the vehicle frame 9, and the vehicle frame 9 is restricted inside the head of the bolt 8.

[0073] The clamping position is a round hole.

[0074] The end of the front arm 1 is provided with internal threads, the bolt 8 is threadedly connected to the end of the front arm 1, and the head of the bolt 8 blocks outside the vehicle frame 9.

[0075] The suspension includes a frame body 5. A rotating shaft 2 is provided on the upper surface of the middle part of the frame body 5. The rotating shaft 2 is connected to the front arm 1 by connecting rods 6 on the left and right. The connecting rods 6 can rotate around the rotating shaft 2, and the connecting rods 6 are fixedly connected to the front arm 1 at the ends.

[0076] The front bottom of the frame body 5 is provided with a bottom rod 3. The bottom rod 3 and the front arm 1 are connected on both sides by a strap 4. The bottom end of the strap 4 is fixed to the bottom rod 3, and the strap 4 is sleeved on the front arm 1 in a lasso shape.

[0077] There are two straps 4.

[0078] The forearm 1 is connected to the top end of the middle spring 7 at the middle position, and the bottom end of the middle spring 7 is connected to the crossbeam of the frame body 5.

[0079] When the forearm 1 of the present utility model and the vehicle frame 9 are connected by bolts 8, the forearm 1 can be adjusted to rotate a certain angle around the rotating shaft 2 so that the forearm 1 aligns with the hole position of the vehicle frame 9. The bolt 8 is fixed to the forearm 1, and the forearm 1 can adjust the angle within the controllable range of the binding belt 4.

[0080] The bottom rod 3 and the forearm 1 are connected by the binding belt 4 on both sides. The bottom end of the binding belt 4 is fixed to the bottom rod 3 and can be sleeved on the bottom rod 3 and fixed by the bolt 8. The binding belt 4 is sleeved on the forearm 1 in a lasso shape. The forearm 1 is connected to the top end of the middle spring 7 at the middle position, and the bottom end of the middle spring 7 is connected to the crossbeam of the frame body 5.

[0081] When adjusting the rear suspension each time, check the track tension and adjust as needed.

[0082] The binding belt 4 is also called a stop belt, and the length of the stop belt affects the stroke of the middle spring 7.

[0083] Increase the length of the stop belt, reduce the sled pressure during acceleration, and increase the stroke of the middle spring 7.

[0084] The forearm 1 can rotate along the track line under the length of the binding belt 4, so that the forearm 1 can be aligned with the hole position of the vehicle frame 9 for convenient fastening. After the bolt connection, the forearm 1 can still rotate a certain angle relative to the vehicle frame 9, which is convenient for adjusting the stop belt.

[0085] Embodiment 5: As Figure 1 、 2 As shown in FIGS. 3 and 8, the present utility model discloses a controllable binding belt forearm vehicle frame mounting structure, including a forearm 1 provided on a suspension. The forearm 1 and the vehicle frame 9 are connected by bolts 8.

[0086] A clamping position is provided on the vehicle frame 9. The forearm 1 passes through this clamping position. The end of the forearm 1 is connected to a bolt. A protrusion 11 is provided at the end of the forearm 1. The protrusion 11 is located on the other side of the head of the bolt 8. The protrusion 11 blocks the vehicle frame 9 from moving axially inward to the forearm 1. The vehicle frame 9 is restricted between the head of the bolt 8 and the protrusion 11. The protrusion 11 can be composed of a magnetic material, and the magnetic material makes the protrusion 11 contact the vehicle frame 9 more closely.

[0087] The forearm 1 is a solid rod, and a threaded hole axially arranged is provided at the end of the forearm 1. The end of the bolt 8 is connected to this threaded hole.

[0088] Internal threads are provided at the end of the forearm 1. The bolt 8 is threadedly connected to the end of the forearm 1. The head of the bolt 8 blocks outside the vehicle frame 9, and the protrusion 11 blocks inside the vehicle frame 9. A gasket is provided to match the bolt 8.

[0089] The suspension includes a frame body 5. Above the middle of the frame body 5, there is a rotating shaft 2. The rotating shaft 2 is connected to the front arm 1 through connecting rods 6 on the left and right. The connecting rods 6 can rotate around the rotating shaft 2, and the connecting rods 6 are fixedly connected to the front arm 1 at the ends.

[0090] At the bottom of the front end of the frame body 5, there is a bottom rod 3. The bottom rod 3 and the front arm 1 are connected on both sides through a binding belt 4. The bottom end of the binding belt 4 is fixed to the bottom rod 3, and the binding belt 4 is a lasso-shaped sleeve on the front arm 1.

[0091] There are two binding belts 4.

[0092] The middle position of the front arm 1 is connected to the top end of the middle spring 7, and the bottom end of the middle spring 7 is connected to the cross beam of the frame body 5.

[0093] When the front arm 1 of the present utility model is connected to the vehicle frame 9 through bolts 8, the front arm 1 can be adjusted to rotate a certain angle around the rotating shaft 2 to align the front arm 1 with the hole position of the vehicle frame 9. The bolts 8 are fixed to the front arm 1, and the front arm 1 can adjust the angle within the controllable range of the binding belt 4.

[0094] The bottom rod 3 and the front arm 1 are connected on both sides through a binding belt 4. The bottom end of the binding belt 4 is fixed to the bottom rod 3, can be sleeved on the bottom rod 3, and is fixed through bolts 8. The binding belt 4 is a lasso-shaped sleeve on the front arm 1.

[0095] Each time the rear suspension is adjusted, check the track tension and adjust as needed.

[0096] The binding belt 4 is also called a stop belt, and the length of the stop belt affects the stroke of the middle spring 7.

[0097] Increase the length of the stop belt, reduce the sled pressure during acceleration, and increase the stroke of the middle spring 7.

[0098] The front arm 1 can rotate along the trajectory line under the length of the binding belt 4, so that the front arm 1 can be aligned with the hole position of the vehicle frame 9 for convenient fastening. After the bolt connection, the front arm 1 can still rotate a certain angle relative to the vehicle frame 9, which is convenient for the adjustment of the stop belt.

[0099] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A controllable strap forearm frame mounting structure, characterized in that: It includes bolts and a forearm provided on the suspension, and the forearm is connected to the frame by bolts; the suspension includes a frame body, a rotating shaft is provided on the middle part of the frame body, the rotating shaft is connected to the forearm by connecting rods on the left and right, and the forearm can rotate around the rotating shaft, and a bottom rod is provided at the bottom front end of the frame body, and the bottom rod and the forearm are connected by straps on both sides, and the bottom end of the strap is fixed to the bottom rod, and the strap is lasso-shaped and sleeved on the forearm.

2. The controllable strap forearm frame mounting structure according to claim 1, characterized in that: A clamping position is provided on the frame, the bolt passes through the clamping position, and the end of the bolt is threadedly connected to the forearm.

3. The controllable strap forearm frame mounting structure according to claim 2, characterized in that: The clamping position is a round hole.

4. The controllable strap forearm frame mounting structure according to claim 2, characterized in that: An axially arranged threaded hole is provided at the end of the forearm, and the end of the bolt is connected to the threaded hole.

5. The controllable strap forearm frame mounting structure according to claim 1, characterized in that: The frame is provided with a clamping position, and the bolt passes through the clamping position; the forearm is tubular, and an inner rod is provided in the forearm, and a threaded hole is provided at the end of the inner rod, and the bolt is threadedly connected to the end of the inner rod.

6. The controllable strap forearm frame mounting structure according to claim 1, characterized in that: The frame is provided with a through hole, the end of the forearm passes through the through hole, the end of the forearm is provided with an internal thread, the bolt is threadedly connected to the forearm, and the head of the bolt is blocked on the outside of the frame.

7. The controllable strap forearm frame mounting structure according to claim 6, characterized in that: The outer wall of the end portion of the forearm is provided with a protrusion, the vehicle frame is located between the head of the bolt and the protrusion, and the protrusion abuts against the vehicle frame on the inner side of the vehicle frame.

8. The controllable strap forearm frame mounting structure according to claim 1, characterized in that: There are two straps.

9. The controllable strap forearm frame mounting structure according to claim 1, characterized in that: The forearm is connected to the top end of the middle spring at the middle position, and the bottom end of the middle spring is connected to the crossbeam of the frame.

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