Adjusting supporting rod for altitude valve

Abstract

The utility model discloses an adjusting strut for height valve, including rod body, valve body control lever, connecting sleeve, lift piece, drive piece and position clip piece, connecting sleeve is provided the bottom of rod body and is used for connecting rod body and valve body control lever, lift piece is provided in connecting sleeve, drive piece is provided in the position clip piece, the drive piece is provided in the position clip piece, and the drive piece is provided in the position clip piece. The lifting part is matched with one end of the valve body control rod, the driving part is arranged at the bottom of the connecting sleeve and used for driving the lifting part to lift or lower the valve body control rod, and the clamping part is arranged on the driving part and used for clamping the driving part. According to the device, the influence of external force on the adjusting supporting rod is reduced through the transmission self-locking performance of the threaded rod and the threaded sleeve, the positions of the adjusting supporting rod and the valve body control rod are further stabilized through the clamping piece, and the anti-loosening effect is good.

Description

Technical Field

[0001] The utility model relates to the technical field of automotive parts, and particularly relates to an adjusting rod for a height valve. Background Art

[0002] A height valve is a valve used in a vehicle suspension system with an air spring (airbag). Usually, the height valve body is installed at the bottom of the cockpit, and then an adjusting rod is connected to the swing rod of the valve body to dynamically sense the change in vehicle height and timely complete the intake or exhaust action to improve the comfort of the driver and passengers. For example, an adjusting device for the height of a cab suspension disclosed in the Chinese utility model patent with the patent publication number CN216842660U. The adjusting rod proposed by this device sets a hollow ball seat and a movable ball seat, and the movable ball seat rod extends into the hollow ball seat. A locking sleeve is provided on the threaded sleeve at the connection. After adjusting the hollow ball seat and the movable ball seat to a suitable position, the connection between the two is locked by the locking sleeve to achieve the purpose of adjustment and fixation.

[0003] However, the above-mentioned height valve adjusting device only tightens or loosens by means of threaded connection between the locking sleeve and the outside of the hollow ball seat. During actual operation, the height valve will continuously jolt with the vehicle and be accompanied by fine vibrations. These external forces will cause the locking sleeve to loosen, resulting in the adjustment device losing its function and affecting the operation effect. Summary of the Utility Model

[0004] The purpose of the utility model is to overcome the above technical deficiencies, propose an adjusting rod for a height valve, and solve the technical problem that the locking sleeve is prone to looseness in the prior art.

[0005] To achieve the above technical purpose, the utility model adopts the following technical solutions:

[0006] The utility model provides an adjusting rod for a height valve, which includes a rod body, a valve body control rod, a connecting sleeve, a lifting member, a driving member and a clamping member. The connecting sleeve is arranged at the bottom of the rod body and is used to connect the rod body and the valve body control rod. The lifting member is arranged in the connecting sleeve, and the lifting member is adapted to one end of the valve body control rod. The driving member is arranged at the bottom of the connecting sleeve and is used to drive the lifting member to lift or lower the valve body control rod. The clamping member is arranged on the driving member and is used to clamp the driving member.

[0007] In some embodiments, the connecting sleeve is in the shape of a cuboid.

[0008] In some embodiments, a strip-shaped cavity is opened in the connecting sleeve, strip-shaped sliding holes are opened on both sides of the strip-shaped cavity, strip-shaped through holes are opened on two side walls adjacent to the strip-shaped sliding holes in the strip-shaped cavity, and the lifting member corresponds to the two strip-shaped sliding holes.

[0009] In some embodiments, the lifting member includes two screw rods and a sliding column. The two screw rods are symmetrically and respectively disposed in the two strip-shaped sliding holes. The sliding column is threadedly sleeved outside the two screw rods. The middle part of the sliding column is adapted to the adjacent end of the valve body control rod. A rectangular cavity is formed at the bottom of the connecting sleeve. The bottom ends of the screw rods penetrate into the rectangular cavity, and the bottom ends of the screw rods are adapted to the driving member.

[0010] In some embodiments, the two side ends of the sliding column are respectively slidably connected to the two side walls of the strip-shaped sliding holes. One end of the valve body control rod extends into the strip-shaped cavity through the strip-shaped through hole of the connecting sleeve. One end of the valve body control rod is rotatably connected to the middle part of the sliding column.

[0011] In some embodiments, the driving member includes a rotating shaft, a main gear, two driven gears and a rotary knob. The rotating shaft is rotatably disposed at the center of the top inner wall of the rectangular cavity. The main gear is sleeved outside the rotating shaft. The bottom ends of the two driven gears are respectively fixedly connected to the two screw rods. The main gear is respectively meshed with the two driven gears. The bottom end of the rotating shaft penetrates to the outside of the bottom of the rectangular cavity. The rotary knob is vertically slidably sleeved outside the bottom end of the rotating shaft, and the clamping member is adapted to the rotary knob.

[0012] In some embodiments, the clamping member includes a limiting piece and a spring. A ring groove is formed at the center of the bottom of the rotary knob along the end face of the rotating shaft. The limiting piece is fixedly disposed at the bottom end of the rotating shaft. The spring is sleeved on the rotating shaft at the position of the ring groove. The top and bottom of the spring are respectively fixedly connected to the top of the ring groove and the top of the limiting piece.

[0013] In some embodiments, a plurality of clamping bars are evenly and annularly arranged on the top of the rotary knob, and a plurality of clamping grooves are evenly and annularly arranged on the outer wall of the bottom of the rectangular cavity. The clamping bars are adapted to the clamping grooves.

[0014] In some embodiments, a connecting ring is provided at the top of the rod body.

[0015] In some embodiments, the connecting sleeve and the valve body control rod are sleeved with the same dust-proof sleeve.

[0016] Compared with the prior art, an adjusting rod for a height valve provided by the present utility model realizes the purpose that the adjusting rod is not easily loosened by arranging a rod body, a valve body control rod, a connecting sleeve, a lifting member, a driving member and a clamping member; during specific operation, one end of the valve body control rod corresponds to the connecting sleeve at the bottom of the rod body, so that one end of the control rod is connected to the lifting member in the connecting sleeve, and then the valve body and the rod body are installed at the corresponding position of the vehicle. The driving member is used to control the rotation of the lifting member, so that the lifting member can drive the valve body control rod to move up and down, thereby controlling the appropriate position of the rod body and the valve body control rod. After the adjustment is completed, the movement of the driving member is restricted by the clamping member to further ensure the operation stability. This device utilizes the self-locking performance of the screw and nut transmission to reduce the influence of external force on the adjusting rod, and further stabilizes the positions of the adjusting rod and the valve body control rod through the clamping member, and has a good anti-loosening effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 FIG. is a schematic structural diagram of an adjusting rod for a height valve provided by an embodiment of the present utility model Figure 1 ;

[0018] Figure 2 FIG. Figure 1 is a partial enlarged structural diagram of the connecting sleeve 300 in FIG.

[0019] Figure 3 FIG. Figure 2 is an enlarged structural diagram of part A in FIG.

[0020] Figure 4 FIG. is a schematic structural diagram of an adjusting rod for a height valve provided by an embodiment of the present utility model Figure 2 (after installing the dust cover 800).

[0021] DESCRIPTION OF REFERENCE NUMERALS: 100, rod body; 200, valve body control rod; 300, connecting sleeve; 310, strip-shaped cavity; 311, strip-shaped sliding hole; 312, strip-shaped through hole; 320, rectangular cavity; 400, lifting member; 410, screw; 420, sliding column; 500, driving member; 510, rotating shaft; 520, main gear; 530, driven gear; 540, turning knob; 541, annular groove; 600, clamping member; 610, limiting piece; 620, spring; 630, clamping bar; 640, clamping groove; 700, connecting ring; 800, dust cover. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] In order to make the objectives, technical solutions and advantages of the present utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0023] In order to solve the technical problem that the locking sleeve is prone to looseness, the utility model provides an adjusting support rod for a height valve, which can avoid the problem of the adjusting support rod loosening.

[0024] It should be noted that the adjusting support rod for a height valve of the present utility model is used for but not limited to automotive height valves, etc. For the convenience of description, in the present utility model, only an adjusting support rod for a height valve applied to an automotive height valve is taken as an example for description, and the principle of an adjusting support rod for a height valve applied to other types of equipment is substantially the same as that applied to an automotive height valve, and will not be elaborated one by one here.

[0025] Please refer to Figures 1-4 , in which, Figure 1 is a schematic structural diagram of an adjusting support rod for a height valve in an embodiment of the present utility model. The adjusting support rod for a height valve includes a rod body 100, a valve body control rod 200, a connecting sleeve 300, a lifting member 400, a driving member 500 and a clamping member 600. The connecting sleeve 300 is arranged at the bottom of the rod body 100 and is used to connect the rod body 100 and the valve body control rod 200. The lifting member 400 is arranged in the connecting sleeve 300. The lifting member 400 is adapted to one end of the valve body control rod 200. The driving member 500 is arranged at the bottom of the connecting sleeve 300 and is used to drive the lifting member 400 to lift or lower the valve body control rod 200. The clamping member 600 is arranged on the driving member 500 and is used to clamp the driving member 500;

[0026] In this embodiment, during operation, one end of the valve body control rod 200 is corresponded to the connecting sleeve 300 at the bottom of the rod body 100, so that one end of the control rod 200 is connected to the lifting member 400 in the connecting sleeve 300. Then, the valve body and the rod body 100 are installed at the corresponding position of the vehicle. By controlling the driving member 500 to rotate the lifting member 400, the lifting member 400 can drive the valve body control rod 200 to move up and down, so as to control the appropriate position of the rod body 100 and the valve body control rod 200. After the adjustment is completed, the movement of the driving member 500 is restricted by the clamping member 600 to further ensure the operation stability. This device utilizes the self-locking performance of the screw and nut transmission to reduce the influence of external force on the adjusting support rod, and further stabilizes the position of the adjusting support rod and the valve body control rod through the clamping member 600, and has a good anti-loosening effect.

[0027] In one of the embodiments, please refer to Figures 1-2 , the connecting sleeve 300 is in a cuboid shape. A strip-shaped cavity 310 is opened in the connecting sleeve 300. Strip-shaped sliding holes 311 are opened on both sides of the strip-shaped cavity 310. Two strip-shaped through holes 312 are opened on the two side walls adjacent to the strip-shaped sliding holes 311 in the strip-shaped cavity 310. The lifting member 400 corresponds to the two strip-shaped sliding holes 311;

[0028] In this embodiment, the two strip-shaped sliding holes 311 are oppositely opened, and the two strip-shaped through holes 312 are also oppositely opened.

[0029] In one embodiment, please refer to Figures 1-3 , the lifting member 400 includes two screw rods 410 and a sliding column 420. The two screw rods 410 are symmetrically arranged in two strip-shaped sliding holes 311 respectively. The sliding column 420 is threadedly sleeved outside the two screw rods 410. The middle part of the sliding column 420 is adapted to the adjacent end of the valve body control rod 200. A rectangular cavity 320 is formed at the bottom of the connecting sleeve 300. The bottom ends of the screw rods 410 penetrate into the rectangular cavity 320. The bottom ends of the screw rods 410 are adapted to the driving member 500. The two side ends of the sliding column 420 are respectively slidably connected to the two side walls of the two strip-shaped sliding holes 311. One end of the valve body control rod 200 extends from the strip-shaped through hole 312 of the connecting sleeve 300 into the strip-shaped cavity 310. One end of the valve body control rod 200 is rotatably connected to the middle part of the sliding column 420;

[0030] In this embodiment, rotating the driving member 500 can drive the two screw rods 410 to rotate. The screw rods 410 are threadedly connected to the sliding column 420. When the screw rods 410 rotate, they can drive the sliding column 420 to move up and down. At this time, the two ends of the sliding column 420 slide in the strip-shaped sliding holes 311. One end of the valve body control rod 200 extends from the strip-shaped through hole 312 and is rotatably connected to the sliding column 420, so as to move along with the sliding column 420.

[0031] In one embodiment, please refer to Figures 2-3 , the driving member 500 includes a rotating shaft 510, a main gear 520, two driven gears 530 and a turning knob 540. The rotating shaft 510 is rotatably arranged at the center of the top inner wall of the rectangular cavity 320. The main gear 520 is sleeved outside the rotating shaft 510. The two driven gears 530 are respectively fixedly connected to the bottom ends of the two screw rods 410. The main gear 520 is respectively meshed with the two driven gears 530. The bottom end of the rotating shaft 510 penetrates to the outside of the bottom of the rectangular cavity 320. The turning knob 540 is vertically slidably sleeved outside the bottom end of the rotating shaft 510. The positioning member 600 is adapted to the turning knob 540;

[0032] In this embodiment, rotating the turning knob 540 drives the rotating shaft 510 and the main gear 520 to rotate together. The main gear 520 drives the two driven gears 530 by meshing. The two driven gears 530 respectively drive the two screw rods 410 to rotate, so that the sliding column 420 can be adjusted up and down.

[0033] In one embodiment, please refer to Figure 3, the clamping member 600 includes a limiting piece 610 and a spring 620. A ring groove 541 is formed along the end face of the rotating shaft 510 at the center of the bottom of the rotary knob 540. The limiting piece 610 is fixedly arranged at the bottom end of the rotating shaft 510. The spring 620 is sleeved on the rotating shaft 510 at the position of the ring groove 541. The top and bottom of the spring 620 are fixedly connected to the top of the ring groove 541 and the top of the limiting piece 610 respectively. A plurality of clamping strips 630 are evenly arranged in a ring at the top of the rotary knob 540. A plurality of clamping grooves 640 are evenly arranged in a ring on the outer wall of the bottom of the rectangular cavity 320. The clamping strips 630 are adapted to the clamping grooves 640;

[0034] In this embodiment, during adjustment, the rotary knob 540 can be slightly pulled downward to disengage the clamping strips 630 on the rotary knob 540 from the clamping grooves 640, which is more convenient for rotation;

[0035] After the adjustment is completed, release the rotary knob 540. The spring 620 on the limiting piece 610 presses the rotary knob 540 to reset the rotary knob 540 and make the clamping strips 630 embed into the clamping grooves 640. At this time, the rotary knob 540 is limited and not easily interfered by external forces, and has good stability.

[0036] In one of the embodiments, please refer to Figure 1 , a connecting ring 700 is provided at the top of the rod body 100. The connecting ring 700 is used to connect to a vehicle.

[0037] In one of the embodiments, please refer to FIG. 4. A same dust-proof sleeve 800 is sleeved outside the connecting sleeve 300 and the valve body control rod 200. The dust-proof sleeve 800 can extend the service life of the device.

[0038] For a better understanding of the present invention, the following will Figures 1 to 4 detail the technical solution of the present invention: During operation, one end of the valve body control rod 200 is connected to the sliding column 420 in the connecting sleeve 300, and then the valve body and the rod body 100 are installed at the corresponding positions of the vehicle. Rotate the rotary knob 540 to drive the rotating shaft 510 and the main gear 520 to rotate together. The main gear 520 meshes with and drives two driven gears 530, and the two driven gears 530 respectively drive two screw rods 410 to rotate, so that the sliding column 420 can move up and down. At this time, both ends of the sliding column 420 slide in the strip-shaped sliding holes 311, and one end of the valve body control rod 200 extends from the strip-shaped through hole 312 to be rotatably connected to the sliding column 420. In this way, the valve body control rod 200 can move following the sliding column 420;

[0039] Furthermore, during adjustment, the rotary knob 540 can be slightly pulled downward to disengage the clamping strips 630 on the rotary knob 540 from the clamping grooves 640, which is more convenient for rotation;

[0040] After the adjustment is completed, release the knob 540. The spring 620 on the limit piece 610 presses the knob 540 to reset the knob 540 and make the latch 630 engage with the card slot 640. At this time, the knob 540 is limited and not easily interfered by external forces, with good stability. The device uses the self-locking performance of the screw and nut transmission to reduce the influence of external forces on the adjusting rod, and further stabilizes the positions of the adjusting rod and the valve body control rod 200 through the positioning member 600, with a good anti-loosening effect.

[0041] The above specific implementation manners of the present utility model do not constitute a limitation on the protection scope of the present utility model. Any other corresponding changes and deformations made according to the technical concept of the present utility model shall be included in the protection scope of the claims of the present utility model.

Claims

1. An adjusting support rod for a height valve, characterized in that: include: Rod body; Valve body control lever; A connecting sleeve, which is arranged at the bottom of the rod body and is used to connect the rod body and the valve body control rod; A lifting member, the lifting member is arranged in the connecting sleeve, and the lifting member is matched with one end of the valve body control rod; A driving member, the driving member is disposed at the bottom of the connecting sleeve and is used to drive the lifting member to lift or lower the valve body control rod; as well as A locking member is disposed on the driving member and is used to lock the driving member.

2. The height regulating support rod for a height valve according to claim 1, characterized in that: The connecting sleeve is in a rectangular parallelepiped shape.

3. The height regulating support rod for a height valve according to claim 1, characterized in that: A strip-shaped cavity is provided in the connecting sleeve, strip-shaped sliding holes are provided on both sides of the strip-shaped cavity, two strip-shaped through holes are provided on the two side walls of the strip-shaped cavity adjacent to the strip-shaped sliding holes, and the lifting member corresponds to the two strip-shaped sliding holes.

4. The height regulating support rod for a height valve according to claim 3, characterized in that: The lifting member includes two screw rods and a sliding column. The two screw rods are symmetrical and are respectively arranged in the two strip-shaped sliding holes. The sliding column is threadedly sleeved on the outside of the two screw rods. The middle part of the sliding column is adapted to the adjacent end of the valve body control rod. A rectangular cavity is opened at the bottom of the connecting sleeve. The bottom ends of the screw rods all penetrate into the rectangular cavity, and the bottom ends of the screw rods are adapted to the driving member.

5. The height regulating support rod for a height valve according to claim 4, characterized in that: The two ends of the sliding column are respectively slidably connected to the two side walls of the two strip sliding holes, one end of the valve body control rod extends from the strip through hole of the connecting sleeve to the strip cavity, and one end of the valve body control rod is rotatably connected to the middle part of the sliding column.

6. The height regulating support rod for a height valve according to claim 4, characterized in that: The driving member includes a rotating shaft, a main gear, two slave gears and a turning knob. The rotating shaft is rotatably arranged in the center of the top inner wall of the rectangular cavity. The main gear is sleeved on the outside of the rotating shaft. The two slave gears are respectively fixedly connected to the bottom ends of the two screws. The main gear is respectively meshed with the two slave gears. The bottom end of the rotating shaft passes through the outside of the bottom of the rectangular cavity. The turning knob is vertically slidably sleeved on the outside of the bottom end of the rotating shaft, and the locking member is adapted to the turning knob.

7. The height regulating support rod for a height valve according to claim 6, characterized in that: The locking member includes a limiting plate and a spring. A ring groove is provided in the center of the bottom of the knob along the end surface of the rotating shaft. The limiting plate is fixedly arranged at the bottom end of the rotating shaft. The spring is sleeved on the rotating shaft and located in the ring groove. The top and bottom of the spring are fixedly connected to the top of the ring groove and the top of the limiting plate respectively.

8. The height regulating support rod for a height valve according to claim 7, characterized in that: The top of the knob is evenly provided with a plurality of clamping strips, and the bottom outer wall of the rectangular cavity is evenly provided with a plurality of clamping grooves, and the clamping strips are matched with the clamping grooves.

9. The height regulating support rod for a height valve according to claim 1, characterized in that: A connecting ring is arranged on the top of the rod body.

10. The height regulating support rod for a height valve according to claim 1, characterized in that: The connecting sleeve and the outer sleeve of the valve body control rod are provided with the same dust cover.

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