CN216969580U - Self-adjusting rear anti-drilling rod for commercial vehicle - Google Patents
Self-adjusting rear anti-drilling rod for commercial vehicle Download PDFInfo
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- CN216969580U CN216969580U CN202220787198.2U CN202220787198U CN216969580U CN 216969580 U CN216969580 U CN 216969580U CN 202220787198 U CN202220787198 U CN 202220787198U CN 216969580 U CN216969580 U CN 216969580U
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- rod
- drilling rod
- vehicle
- sliding sleeve
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- 238000005553 drilling Methods 0.000 title claims abstract description 88
- 230000000694 effects Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 230000003139 buffering effect Effects 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000003827 upregulation Effects 0.000 description 1
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Abstract
The utility model discloses a self-adjusting rear anti-drilling rod of a commercial vehicle, which comprises a sliding sleeve, a limiter, a sliding rod, an anti-drilling rod and a roller. The height of the rear anti-drilling rod of the vehicle can be automatically adjusted according to road conditions. The vehicle departure angle can be ensured on the premise of ensuring the safety of the vehicle. When the good vehicle of road condition needs big departure angle, the gyro wheel can contact ground, prevents that the drilling rod is promoted upwards, prevents that the drilling rod has just also realized upwards adjusting, and the required departure angle of vehicle changes along with the change of road surface condition, and the height of preventing the drilling rod is just also along with the change self-interacting from top to bottom of the required departure angle of vehicle, when the better vehicle of road condition does not need big departure angle, prevents that the drilling rod is in the security of extreme low position assurance vehicle. Magnet can be at the vehicle in-process of traveling to preventing that the drilling rod produces fixed effect, avoids causing the striking of second fixed plate and stopper owing to jolting.
Description
Technical Field
The utility model relates to a rear anti-drilling rod of a commercial vehicle, in particular to a self-adjusting rear anti-drilling rod of the commercial vehicle, and belongs to the field of automobile chassis.
Background
The rear anti-drilling rod of the commercial vehicle is an important part for the passive safety of the vehicle, is arranged at the tail of the vehicle, and prevents the vehicle bottom of the commercial vehicle from being drilled into the rear vehicle when the rear vehicle collides with the rear vehicle, so that the rear vehicle is prevented from causing greater loss. The height of the drill rod is prevented from influencing the safety and the trafficability characteristic of an automobile, in order to guarantee the safety, the installation height of the drill rod is prevented from being relatively close to the ground, so that the departure angle of the automobile is influenced, the departure angle of the automobile is smaller, the trafficability characteristic of the automobile is influenced, and the trafficability characteristic of the automobile is deteriorated. The traditional drilling-proof rod with fixed height can not ensure the safety and the trafficability of the vehicle at the same time. The method also leads to the refitting of the anti-drilling rod for improving the passing ability of a plurality of commercial vehicles in the using process, for example, the height of the anti-drilling rod is raised, the anti-drilling rod is suspended by an iron chain, and the like, so that the effect of the anti-drilling rod is greatly reduced, and even no safety guarantee is provided.
SUMMERY OF THE UTILITY MODEL
The utility model provides a self-adjusting rear anti-drilling rod for a commercial vehicle, which can overcome the problems, realize automatic height adjustment of the anti-drilling rod and ensure the passing property of the vehicle under the condition of ensuring the safety of the vehicle.
The technical scheme adopted by the utility model for solving the problems is as follows: the utility model provides a drilling rod is prevented after commercial car self-interacting, including the sliding sleeve, the stopper, the slide bar, prevent drilling rod and gyro wheel, prevent drilling rod and slide bar fixed connection, the upper end fixed mounting of sliding sleeve is on the frame, the equal vertical setting of sliding sleeve and slide bar, the stopper upper end is fixed on the sliding sleeve, slide bar slidable mounting is in the sliding sleeve, the sliding sleeve plays the guide effect to sliding from top to bottom of slide bar, the relative sliding sleeve up-and-down slip of slide bar can realize preventing the regulation of drilling rod height, the gyro wheel rotates and installs on preventing the drilling rod, the gyro wheel can replace and prevent drilling rod contact ground, prevent that drilling rod and ground from taking place sliding friction.
Furthermore, the number of the sliding sleeves is two, the number of the sliding rods is two, the two sliding sleeves correspond to the two sliding rods one by one, the two sliding sleeves are symmetrically arranged on the left and right of the frame, and each sliding sleeve is connected with the corresponding sliding rod in a sliding mode. The two sets of sliding sleeve sliding rods can guarantee the strength of preventing the drill rod from being fixed and can also guarantee that the drill rod is prevented from moving beyond vertical sliding in the self-adjusting process, and a gap is formed between the sliding sleeve and the sliding rods, so that the sliding rods can smoothly slide relative to the sliding sleeve.
Further, the stopper includes the gag lever post, the stopper, rubber pad and magnet, stopper fixed connection is at the lower extreme of gag lever post, the stopper can play the limiting displacement to the slide bar, rubber pad fixed connection is in the stopper upper end, the rubber pad can play the effect of buffering, magnet fixed connection is at the stopper lower extreme, magnet can produce certain suction to the second fixed plate when preventing that the drilling rod is in the extreme low position, produce fixedly to the second fixed plate, just also produce fixedly to the slide bar with preventing the drilling rod, avoided preventing that the drilling rod takes place to shift up when not needing to take place to shift up, and the suction of magnet can not influence and need adjust the automation of preventing the drilling rod when leaving the angle and transfer, the gag lever post upper end is equipped with the screw thread, this screw thread is used for with two bolt cooperation on fixing the first fixed plate with the gag lever post.
Further, prevent installing two gyro wheels on the drilling rod, two gyro wheels are installed at the both ends of preventing the drilling rod bottom, and two gyro wheels symmetrical arrangement. The rotation center line of gyro wheel is parallel with the length direction of preventing the drilling rod, and two gyro wheels can guarantee that no matter which one end of preventing the drilling rod contacts to the ground earlier all has the gyro wheel to replace preventing the drilling rod contact ground. And the roller is contacted with the ground only when the height of the anti-drilling rod needs to be adjusted.
Furthermore, a first fixing plate is fixedly arranged at the upper end of the sliding sleeve, and a fixing hole is formed in the first fixing plate. The upper end of the limiting rod penetrates through the fixing hole, and two nuts are screwed on the limiting rod; two nuts lean on in the both sides of first fixed plate, and first fixed plate passes through bolt fixed connection and sheathes in the sliding, is connected to the assembly that can make the gag lever post on the sliding through first fixed plate with the gag lever post and is convenient for operate more.
Furthermore, a second fixing plate is arranged at the upper end of the sliding rod, the second fixing plate, the limiting rod and the limiting block jointly limit the sliding rod, and the second fixing plate is fixedly connected to the upper end of the sliding rod through a bolt. Be equipped with the sliding hole on the second fixed plate, the diameter in sliding hole is less than the stopper, the gag lever post upper end passes sliding hole back fixed connection to sliding sleeve upper end, and the stopper is located the downside of second fixed plate. Because the stopper is fixedly connected with to the lower extreme of gag lever post, after the gag lever post passed the slide opening, the stopper can not pass the slide opening, then the gag lever post just can restrict the position of second fixed plate, has just also restricted the position that the slide bar just also restricted the position of preventing the drilling rod.
Further, the length of gag lever post is less than the sliding sleeve, because the position of gag lever post can restrict the position of slide bar, gag lever post length is less than the position that the sliding sleeve just can restrict the slide bar and can not surpass the sliding sleeve, also exactly the upper end of slide bar can be restricted in the sliding sleeve by the gag lever post to make the slide bar can not throw off the sliding sleeve.
Furthermore, four supports are arranged on the anti-drilling rod, every two supports are a group, a pin shaft hole is formed in each support and used for installing rollers, the two groups of supports are respectively arranged at two ends of the bottom surface of the anti-drilling rod, a pin shaft is arranged on each roller, and the two rollers are respectively rotatably installed in the pin shaft holes of the two groups of supports through the matching of the pin shaft and the pin shaft hole.
After the technical scheme is adopted, the utility model has the following beneficial effects:
(1) the anti-drilling rod provided by the utility model is connected with the frame through the sliding rod and the sliding sleeve, the anti-drilling rod can move up and down relative to the frame, the thrust of the ground to the anti-drilling rod after the anti-drilling rod touches the ground overcomes the gravity of the anti-drilling rod, and the automatic adjustment of the height of the anti-drilling rod is realized.
(2) The two rollers arranged at the bottom of the anti-drilling rod can ensure no sliding friction with the ground when the anti-drilling rod touches the ground, and the friction force is small.
(3) The limiting rod bottom is equipped with rubber pad and magnet, plays the fixed action to preventing the drilling rod when preventing that the drilling rod is in the extreme low position, has avoided preventing that the drilling rod takes place to shift up when need not take place to shift up.
Drawings
FIG. 1 is a schematic view of a commercial vehicle self-adjusting rear anti-drilling mast assembly according to one embodiment of the present invention;
FIG. 2 is a cross-sectional view of an assembly of a sliding sleeve slide bar and a stop according to one embodiment of the present invention;
FIG. 3 is a schematic view of holes in the first and second fixing plates according to one embodiment of the present invention:
FIG. 4 is a schematic view of an anti-drill rod configuration of one embodiment of the present invention;
FIG. 5 is a schematic view of a roller structure according to an embodiment of the present invention;
FIG. 6 is an isometric view of a slide bar of the sliding sleeve of one embodiment of the present invention at various height positions;
figure 7 is a cross-sectional view of a sliding sleeve slide bar of one embodiment of the present invention taken at different height positions.
Description of reference numerals:
1-a frame, 2-a stopper, 3-a sliding sleeve, 4-a sliding rod, 5-an anti-drilling rod, 6-a roller, 7-a limiting rod, 8-a rubber pad, 9-a limiting block, 10-a magnet, 11-a second fixing plate, 12-a first fixing plate, 13-a sliding hole, 14-a fixing hole, 15-a pin shaft hole, 16-a bracket and 17-a pin shaft.
Detailed Description
In order that the present invention may be more readily and clearly understood, a more particular description of the utility model briefly described above will be rendered by reference to specific embodiments that are illustrated in the appended drawings.
Referring to fig. 1 to 7, the utility model provides a self-adjusting rear anti-drilling rod for a commercial vehicle, which comprises a sliding sleeve 3, a limiter 2, a sliding rod 4, an anti-drilling rod 5 and a roller 6, wherein the anti-drilling rod 5 is fixedly connected with the sliding rod 4, the upper end of the sliding sleeve 3 is fixedly installed on a vehicle frame 1, and the sliding sleeve 3 and the sliding rod 4 are both vertically arranged. The upper end of the stopper 2 is fixed on the sliding sleeve 3, the sliding rod 4 is slidably mounted in the sliding sleeve 3, the sliding sleeve 3 plays a role in guiding the sliding of the sliding rod 4 up and down, the sliding rod 4 can slide up and down relative to the sliding sleeve 3 to realize the adjustment of preventing the height of the drill rod 5, the roller 6 is rotatably mounted at the bottom of the drill rod 5, and the roller 6 can replace the anti-drill rod 5 to contact the ground to prevent the drill rod 5 from sliding friction with the ground.
The number of the sliding sleeves 3 is two, the number of the sliding rods 4 is two, and the two sliding sleeves 3 correspond to the two sliding rods 4 one by one. The two sliding sleeves 3 are symmetrically arranged on the left and right of the frame 1, each sliding sleeve 3 is connected with a corresponding sliding rod 4 in a sliding mode, and the sliding direction is along the length direction of the sliding rod 4. The two groups of sliding sleeves 3 and the sliding rods 4 can ensure the strength for preventing the drill rod 5 from being fixed and also can ensure that the drill rod 5 does not slide up and down in the self-adjusting process, and a gap is arranged between the sliding sleeves 3 and the sliding rods 4, so that the sliding rods 4 can slide smoothly relative to the sliding sleeves 3.
The stopper 2 of the embodiment comprises a limiting rod 7, a limiting block 9, a rubber pad 8 and a magnet 10, wherein the limiting block 9 is fixedly connected at the lower end of the limiting rod 7, the limiting block 9 can limit the sliding rod 4, the rubber pad 8 is fixedly connected at the upper end of the limiting block 9, the rubber pad 8 can play a buffering role, the magnet 10 is fixedly connected at the lower end of the limiting block 9, the magnet 10 can generate certain suction to the second fixing plate 11 when the anti-drilling rod 5 is at the lowest position, the second fixing plate 11 is fixed, the sliding rod 4 and the anti-drilling rod 5 are also fixed, the anti-drilling rod 5 is prevented from moving upwards when not required to move upwards, and the suction force of the magnet 10 can not influence the automatic up-regulation of the drill rod 5 when the departure angle needs to be regulated, the upper end of the limiting rod 7 is provided with a thread, the thread is intended to cooperate with two bolts that secure the stop rod 7 to the first fixing plate 12.
Install two gyro wheels 6 on the anti-drilling pole 5 of this embodiment, two gyro wheels 6 are installed at the both ends of preventing the drilling pole 5 bottom, and two gyro wheels 6 symmetrical arrangement. The rotation center line of the roller 6 is parallel to the length direction of the anti-drill rod 5. Two gyro wheels 6 can guarantee that no matter which one end of preventing drilling rod 5 contacts to the ground earlier all has gyro wheel 6 to replace and prevents drilling rod 5 contact ground, and gyro wheel 6 just contacts with ground only when need adjust and prevent drilling rod 5 height.
The upper end of the sliding sleeve 3 of this embodiment is fixedly provided with a first fixing plate 12, and the first fixing plate 12 is provided with a fixing hole 14. The upper end of the limiting rod 7 penetrates through the fixing hole 14, and two nuts are screwed on the limiting rod 7; two nuts support and lean on the both sides at first fixed plate 12, and two nuts are fixed in the gag lever post 7 on first fixed plate 12, and first fixed plate 12 is connected to sliding sleeve 3 through bolt fixed connection on, can make the assembly of gag lever post 7 be convenient for more operate on being connected to sliding sleeve 3 with gag lever post 7 through first fixed plate 12.
The upper end of the slide bar 4 of this embodiment is provided with a second fixing plate 11, the limiting rod 7 and the limiting block 9 jointly limit the slide bar 4, and the second fixing plate 11 is fixedly connected to the upper end of the slide bar 4 through a bolt. The second fixing plate 11 is provided with a sliding hole 13, the diameter of the sliding hole 13 is smaller than that of the limiting block 9, the upper end of the limiting rod 7 penetrates through the sliding hole 13 and is fixedly connected to the upper end of the sliding sleeve 3, and the limiting block 7 is located on the lower side of the second fixing plate 11. Because the lower end of the limiting rod 7 is fixedly connected with the limiting block 9, the limiting rod 7 penetrates through the sliding hole 13, and the limiting block 9 cannot penetrate through the sliding hole 13, the limiting rod 7 can limit the position of the second fixing plate 11, and the position of the sliding rod 4 is also limited, so that the position of the anti-drilling rod 5 is also limited.
The length of the limiting rod 7 of the embodiment is smaller than that of the sliding sleeve 3, because the position of the limiting rod 7 can limit the position of the sliding rod 4, the length of the limiting rod 7 is smaller than that of the sliding sleeve 3, the position of the sliding rod 4 can be limited by the limiting rod 7, the sliding rod 4 cannot exceed the sliding sleeve 3, namely, the sliding rod 4 is limited in the sliding sleeve 3 by the limiting rod 7, and the sliding rod 4 cannot be separated from the sliding sleeve 3.
The anti-drilling rod 5 of this embodiment is provided with four supports 16, every two supports 16 are a set of, and every support 16 is last to have all opened round pin axle hole 15, and round pin axle hole 15 is used for installing gyro wheel 6, and two sets of supports 16 set up respectively at the both ends of preventing the bottom surface of drilling rod 5, be equipped with round pin axle 17 on the gyro wheel 6, two gyro wheels 6 rotate through the cooperation of round pin axle 17 with round pin axle hole 15 respectively and install in the round pin axle hole 15 of two sets of supports 16.
The working principle of the embodiment is as follows:
in the embodiment, the sliding rod 4 can slide up and down relative to the sliding sleeve 3, when the vehicle needs a large departure angle under bad road conditions, the roller 6 can contact the ground, the anti-drilling rod 5 is pushed upwards, the anti-drilling rod 5 is adjusted upwards, the departure angle needed by the vehicle changes along with the change of the road conditions, the height of the anti-drilling rod 5 is adjusted upwards and downwards along with the change of the departure angle needed by the vehicle, and when the vehicle does not need the large departure angle under the good road conditions, the anti-drilling rod 5 is located at the lowest position to ensure the safety of the vehicle. When preventing that drilling rod 5 is in the extreme low position, magnet 10 can produce suction to second fixed plate 11, and this suction produces fixed effect to slide bar 4, just also produces fixed effect to preventing drilling rod 5, avoids going the in-process at the vehicle and causes the striking of second fixed plate 11 and stopper 9 owing to jolting, and magnet 10 is less to the suction of second fixed plate 11, can not influence and prevent the automation of drilling rod 5 from rising when needing to adjust the departure angle.
The foregoing detailed description of the preferred embodiments of the utility model has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions that can be obtained by a person skilled in the art through logical analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection determined by the claims.
Claims (8)
1. The self-adjusting rear anti-drilling rod for the commercial vehicle is characterized by comprising a sliding sleeve (3), a limiter (2), a sliding rod (4), an anti-drilling rod (5) and a roller (6), wherein the anti-drilling rod (5) is fixedly connected with the sliding rod (4), the upper end of the sliding sleeve (3) is fixedly installed on a vehicle frame (1), and the sliding sleeve (3) and the sliding rod (4) are both vertically arranged;
the upper end of the limiter (2) is fixed on the sliding sleeve (3), the sliding rod (4) is slidably mounted in the sliding sleeve (3), and the roller (6) is rotatably mounted at the bottom of the anti-drilling rod (5).
2. The self-adjusting rear anti-drilling rod for the commercial vehicle as claimed in claim 1, wherein the number of the sliding sleeves (3) is two, the number of the sliding rods (4) is two, and the two sliding sleeves (3) correspond to the two sliding rods (4) one by one;
the two sliding sleeves (3) are symmetrically arranged on the left and right of the frame (1), each sliding sleeve (3) is connected with the corresponding sliding rod (4) in a sliding mode, and the sliding direction of each sliding sleeve is along the length direction of the corresponding sliding rod (4).
3. The commercial vehicle self-adjusting rear anti-drilling rod as claimed in claim 1, wherein the stopper (2) comprises a stopper rod (7), a stopper (9), a rubber pad (8) and a magnet (10), the stopper (9) is fixedly connected to the lower end of the stopper rod (7), the rubber pad (8) is fixedly connected to the upper end of the stopper (9), the magnet (10) is fixedly connected to the lower end of the stopper (9), and threads are arranged on the upper end of the stopper rod (7).
4. The self-adjusting rear anti-drilling rod for the commercial vehicle as claimed in claim 1, wherein the number of the rollers (6) is two, two rollers (6) are arranged at two ends of the bottom of the anti-drilling rod (5), and the two rollers (6) are symmetrically arranged; the rotation center line of the roller (6) is parallel to the length direction of the anti-drilling rod (5).
5. The self-adjusting rear anti-drilling rod for the commercial vehicle as claimed in claim 1, wherein a first fixing plate (12) is fixedly arranged at the upper end of the sliding sleeve (3), and a fixing hole (14) is formed in the first fixing plate (12); the upper end of the limiting rod (7) penetrates through the fixing hole (14), and two nuts are screwed on the limiting rod (7); the two nuts are abutted against two sides of the first fixing plate (12).
6. A commercial vehicle self-adjusting rear anti-drilling rod according to claim 3, characterized in that a second fixing plate (11) is arranged at the upper end of the sliding rod (4), the second fixing plate (11) is fixedly connected to the upper end of the sliding rod (4) through a bolt, a sliding hole (13) is formed in the second fixing plate (11), the diameter of the sliding hole (13) is smaller than that of the limiting block (9), and the upper end of the limiting rod (7) penetrates through the sliding hole (13) and the limiting block (9) is located on the lower side of the second fixing plate (11).
7. A commercial vehicle self-adjusting rear anti-drilling rod according to claim 3, characterized in that the length of the limit rod (7) is smaller than that of the sliding sleeve (3), and the upper end of the sliding rod (4) can be limited in the sliding sleeve (3) by the limit rod (7) so that the sliding rod (4) does not disengage from the sliding sleeve (3).
8. The commercial vehicle self-adjusting rear anti-drilling rod as claimed in claim 1, wherein four supports (16) are arranged on the anti-drilling rod (5), every two supports (16) form a group, a pin shaft hole (15) is formed in each support (16), the two groups of supports (16) are respectively arranged at two ends of the bottom surface of the anti-drilling rod (5), a pin shaft (17) is arranged on each roller (6), and the two rollers (6) are respectively rotatably arranged in the pin shaft holes (15) of the two groups of supports (16) through the matching of the pin shaft (17) and the pin shaft hole (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220787198.2U CN216969580U (en) | 2022-04-06 | 2022-04-06 | Self-adjusting rear anti-drilling rod for commercial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220787198.2U CN216969580U (en) | 2022-04-06 | 2022-04-06 | Self-adjusting rear anti-drilling rod for commercial vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216969580U true CN216969580U (en) | 2022-07-15 |
Family
ID=82342264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220787198.2U Expired - Fee Related CN216969580U (en) | 2022-04-06 | 2022-04-06 | Self-adjusting rear anti-drilling rod for commercial vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216969580U (en) |
-
2022
- 2022-04-06 CN CN202220787198.2U patent/CN216969580U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220715 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |