CN220353680U - Automobile trunk screw rod assembly - Google Patents
Automobile trunk screw rod assembly Download PDFInfo
- Publication number
- CN220353680U CN220353680U CN202321747925.3U CN202321747925U CN220353680U CN 220353680 U CN220353680 U CN 220353680U CN 202321747925 U CN202321747925 U CN 202321747925U CN 220353680 U CN220353680 U CN 220353680U
- Authority
- CN
- China
- Prior art keywords
- roller
- guide rail
- sliding sleeve
- groove
- dust removing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000428 dust Substances 0.000 claims abstract description 69
- 238000003860 storage Methods 0.000 claims abstract description 32
- 230000035939 shock Effects 0.000 claims abstract description 9
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 238000005096 rolling process Methods 0.000 claims abstract description 4
- 239000004519 grease Substances 0.000 claims description 21
- 238000013016 damping Methods 0.000 claims description 14
- 230000000149 penetrating effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000009825 accumulation Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Bearings For Parts Moving Linearly (AREA)
Abstract
The utility model discloses an automobile trunk screw rod assembly, which comprises a rod body, a sliding sleeve axially sliding along the rod body and a roller used for being matched with the sliding sleeve to slide on the rod body, wherein a threaded groove is annularly formed in the rod body, a containing hole used for penetrating the rod body and containing a part of the rod body is formed in the sliding sleeve in a hollow mode, a guide rail is annularly formed in the inner peripheral wall of the containing hole corresponding to the position of the threaded groove, a roller path used for rolling the roller is formed by locally combining the guide rail and the threaded groove, a dust removing part used for removing dust in the threaded groove during sliding of the sliding sleeve is arranged on the sliding sleeve, an oil storage part used for collecting excessive oil on the surface of the roller is arranged at the position corresponding to the roller of the guide rail, and a shock absorbing part used for reducing collision amplitude of the roller and the guide rail during sliding of the sliding sleeve.
Description
Technical Field
The utility model relates to the technical field of machinery, in particular to an automobile trunk screw rod assembly.
Background
At present, the screw rod is widely applied to the production fields of various industries such as automobile manufacturing, airplane manufacturing, mechanical equipment, precise instruments and the like, wherein in the automobile manufacturing field, the screw rod is used as one of core parts in various system assemblies, such as a wiper system, a steering system, a seat sliding rail system, an electric tail gate system and the like, the screw rod is generally divided into a ball screw and a trapezoidal screw rod, the ball screw rod is an ideal product for converting rotary motion into linear motion or converting linear motion into rotary motion, the ball screw rod realizes motion conversion through a ball, the trapezoidal screw rod realizes motion conversion through a sliding surface, the motion conversion efficiency of the screw rod is generally determined through the screw thread precision on the screw rod, the screw rod applied to a tail box in the prior art can be connected with a motor, can carry out motion conversion automatically, and conversion efficiency is high, car boot opens also can be smooth and can not appear blocking easily, but this kind of lead screw can not prevent dust, this kind of boot lead screw can expose outside the automobile body generally, easily receive the external dust influence of automobile, the dust that appears in the driving in-process adsorbs in the screw thread groove of lead screw easily, and can not remain some grease in the screw thread groove, the dust contact grease will adsorb in the screw thread groove of lead screw more easily, long-time dust is piled up and is caused certain influence to the motion conversion of lead screw easily, current partial lead screw has adopted special material to realize that the lead screw thread groove is dustproof, the cost of this kind of material is high, be difficult to be applied to mass production lead screw.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides the automobile tail box screw rod assembly, which can clean dust on the screw rod when the screw rod moves and collect redundant grease on the screw rod.
In order to achieve the above purpose, the utility model provides an automobile tail box screw rod assembly, which comprises a rod body, a sliding sleeve axially sliding along the rod body and a roller for sliding on the rod body in a matched mode, wherein a threaded groove is formed in the rod body in a circumferential direction, an accommodating hole for penetrating the rod body and accommodating a part of the rod body is formed in the sliding sleeve in a hollow mode, a guide rail is formed in the inner peripheral wall of the accommodating hole in a circumferential direction corresponding to the position of the threaded groove, a roller path for the roller to roll is formed by combining the guide rail and the threaded groove in a partial mode, a dust removing part for cleaning dust in the threaded groove when the sliding sleeve slides is arranged on the sliding sleeve, an oil storage part for collecting redundant oil on the surface of the roller is arranged at the position corresponding to the roller, and a shock absorbing part for reducing collision amplitude of the roller and the guide rail is arranged on the guide rail when the sliding sleeve slides.
The effect that adopts above-mentioned technical scheme can produce is: the sliding sleeve is sleeved on the rod body, the sliding sleeve can slide along the axis direction of the rod body, the roller arranged in the sliding sleeve can be in matched contact with the thread groove, so that the friction between the sliding sleeve and the thread groove is reduced when the sliding sleeve slides, the roller arranged on the rod body is not easy to adsorb external dust in the sliding sleeve, the service life is long, when the sliding sleeve rotates, the sliding sleeve can slide along the thread direction of the thread groove, the dust removing piece is arranged on the sliding sleeve, the sliding sleeve can be prevented from entering the sliding sleeve from a gap between the sliding sleeve and the rod body when the sliding sleeve slides, the accumulation of the external dust is avoided, the sliding sleeve is influenced, the oil groove is arranged on the guide rail, the roller can pass through the guide rail when rolling, redundant grease on the surface of the roller can be collected by the oil groove when the roller with less surface grease passes through the oil groove, the surface of the oil groove can be adhered to the surface of the roller again, the surface of the roller can be ensured to keep the grease all the time, the lubricating efficiency is improved, the damping piece is arranged on the guide rail, the damping piece can be used for enabling the roller to be contacted with the damping piece after entering the guide rail, the amplitude of the roller and the damping piece can be reduced, and the impact effect can be reduced, and the damping effect can be also be simple, and the impact effect can be achieved.
The utility model further provides that: the opening part of the accommodating hole is provided with a groove, the dust removing piece is an elastic dust removing brush and a fixing ring used for fixing the elastic dust removing brush in the groove, the fixing ring is in plug-in fit with the groove, one end of the dust removing brush is annularly arranged in the groove along the inner side wall of the groove, and the other end of the dust removing brush is in contact with the thread groove.
The effect that adopts above-mentioned technical scheme can produce is: the recess that the opening part of holding hole set up can the local elasticity dust removal brush of holding, and elasticity dust removal brush one end holding reinsertion solid fixed ring behind the recess for gu fixed ring and recess grafting cooperation, thereby make gu fixed ring and recess inner wall press from both sides the elasticity dust removal brush in the recess tightly fixedly, its other end can be with the screw groove contact behind elasticity dust removal brush one end is fixed in the recess, when elasticity dust removal brush activity, the one end that elasticity dust removal brush contacted with the screw groove can be followed the irregular surface bending or unbending of screw groove, make elasticity dust removal brush can more efficient clearance to the dust in the screw groove, the dust removal effect is good, convenient to use.
The utility model further provides that: the fixed ring is provided with an elastic pad corresponding to the position of the elastic dust removing brush, and the elastic pad is matched with the inner wall of the groove to clamp and fix the elastic dust removing brush.
The effect that adopts above-mentioned technical scheme can produce is: after the elastic dust removing brush is locally accommodated in the groove, the fixing ring is inserted into the groove, the elastic pad is adopted on the fixing ring and can be contacted with the elastic dust removing brush, the elastic dust removing brush is clamped and fixed between the elastic pad and the inner wall of the groove, the elastic point is adopted, so that the fixing ring is more convenient to insert into the groove, the elastic pad is provided with elasticity, and the elastic dust removing brush is not easy to damage when being extruded.
The utility model further provides that: the damping piece comprises a damping pad which is arranged along the circumferential direction of the inner wall of the guide rail, and an oil outlet is formed in the damping pad corresponding to the oil storage tank.
The technical scheme can produce the following effects: the shock pad sets up at the guide rail inner wall, the shock pad can be with roller contact, when the roller gets into the guide rail, high-speed moving roller can reduce the rotational speed of roller after with the shock pad contact, the vibrations that roller and shock pad contact produced can reduce, the shock pad can avoid the roller to directly strike the guide rail when getting into the guide rail, reduce the noise that roller and guide rail striking produced, the oil outlet corresponds the oil storage tank position setting, when the roller passes through the oil storage tank, the oil outlet can flow out the grease that part was collected, and glue again on the roller, make the roller can keep lubricated state continuously, and a structure is simple, and convenient operation.
The utility model further provides that: the oil storage part is an oil storage tank arranged along the length direction of the guide rail.
The effect that adopts above-mentioned technical scheme can produce is: the oil storage tank sets up on the guide rail along guide rail length direction, and the roller on the guide rail can pass through the oil storage tank when the motion, adopts the oil storage tank to scrape down unnecessary grease on the roller and temporarily stores in the oil storage tank, and when the less roller of grease passed through the oil storage tank, the roller surface can stick the grease in the oil storage tank, and the grease in the oil storage tank can cyclic utilization, convenient to use.
Drawings
FIG. 1 is an exploded view of an embodiment of the present utility model;
FIG. 2 is a sectional view showing a use state of an embodiment of the present utility model;
FIG. 3 is a cross-sectional view of a sliding sleeve according to an embodiment of the present utility model;
fig. 4 is a partial structural cross-sectional view of an embodiment of the present utility model.
Detailed Description
The embodiment of the utility model is shown in the figure, which comprises a rod body 1, a sliding sleeve 2 axially sliding along the rod body 1 and a roller 3 sliding on the rod body 1 in a matching way with the sliding sleeve 2, wherein a thread groove 4 is annularly arranged on the rod body 1, an accommodating hole 5 for penetrating the rod body 1 and accommodating the partial rod body 1 is arranged in a hollow way on the sliding sleeve 2, a guide rail 6 is annularly arranged on the inner peripheral wall of the accommodating hole 5 corresponding to the position of the thread groove 4, a raceway for the roller 3 to roll is formed by partial combination of the guide rail 6 and the thread groove 4, a dust removing part for removing dust in the thread groove 4 when the sliding sleeve 2 slides is arranged on the sliding sleeve 2, an oil storing part for collecting redundant grease on the surface of the roller 3 is arranged at the position of the guide rail 6 corresponding to the roller 3, a shock absorbing part for reducing the collision amplitude of the roller 3 and the guide rail 6 when the sliding sleeve 2 slides is arranged on the guide rail 6, the sliding sleeve 2 is sleeved on the rod body 1, the sliding sleeve 2 can slide along the axial direction of the rod body 1, the roller 3 arranged in the sliding sleeve 2 can be in matched contact with the thread groove 4, so that the friction between the sliding sleeve 2 and the thread groove 4 is reduced when the sliding sleeve 2 slides, the sliding sleeve 2 can slide along the thread direction of the thread groove 4 when the sliding sleeve 2 rotates, the dust removing piece is arranged on the sliding sleeve 2, so that the sliding sleeve 2 can avoid external dust from entering the sliding sleeve 2 from a gap between the sliding sleeve 2 and the rod body 1 when the sliding sleeve 2 slides, the sliding sleeve 2 is prevented from being influenced by accumulation of the external dust, the oil storage groove 11 is arranged on the guide rail 6, the roller 3 can pass through the guide rail 6 when rolling, the oil storage groove 11 is adopted to enable the roller 3 to pass through the guide rail 6, the redundant grease on the surface of the roller 3 can be collected when the roller 3 passes through the oil storage groove 11, the grease is stained on the surface of the roller 3 again, so that the surface of the roller 3 can always keep the grease, the damping piece is arranged on the guide rail 6, the roller 3 can be contacted with the damping piece after entering the guide rail 6 by adopting the damping piece, the collision amplitude of the roller 3 and the guide rail 6 is reduced, and meanwhile, the noise generated when the roller 3 collides with the guide rail 6 can be reduced; in this embodiment, the dust removing member is an elastic dust removing brush 8 and a fixing ring 9 for fixing the elastic dust removing brush 8 in the groove 7, the elastic dust removing brush 8 is adopted to clean dust in the threaded groove 4 more comprehensively, the fixing ring 9 is in plug-in fit with the groove 7, one end of the dust removing brush is annularly arranged in the groove 7 along the inner side wall of the groove 7, the other end of the dust removing brush is in contact with the threaded groove 4, the groove 7 arranged at the opening of the accommodating hole 5 can accommodate a local elastic dust removing brush 8, one end of the elastic dust removing brush 8 is accommodated in the groove 7, and then the fixing ring 9 is inserted into the fixing ring 9, so that the fixing ring 9 and the inner wall of the groove 7 clamp-fix the elastic dust removing brush 8 in the groove 7, one end of the elastic dust removing brush 8 can be in contact with the threaded groove 4, and when the elastic dust removing brush 8 moves, one end of the elastic dust removing brush 8 in contact with the threaded groove 4 can be bent and straightened along with the irregular surface of the threaded groove 4, and the elastic dust removing brush 8 can be effectively scraped into the groove 4, and dust can be removed by a dust removing member or a dust removing piece in the groove 4; the elastic cushion 10 is arranged at the position of the fixed ring 9 corresponding to the elastic dust removing brush 8, the elastic cushion 10 is matched with the inner wall of the groove 7 to clamp and fix the elastic dust removing brush 8, after the elastic dust removing brush 8 is partially accommodated in the groove 7, the fixed ring 9 is inserted into the groove 7, the elastic cushion 10 is adopted on the fixed ring 9, the elastic cushion 10 can be in contact with the elastic dust removing brush 8 and clamp and fix the elastic dust removing brush 8 between the elastic cushion 10 and the inner wall of the groove 7, the elastic cushion 10 is elastic, and the elastic dust removing brush 8 is not easy to be damaged when being extruded; the oil storage part is an oil storage tank 11 arranged along the length direction of the guide rail 6, the oil storage tank 11 is arranged on the guide rail 6 along the length direction of the guide rail 6, the rollers 3 on the guide rail 6 pass through the oil storage tank 11 when moving, the oil storage tank 11 is adopted to scrape off excessive grease on the rollers 3 and temporarily store the excessive grease in the oil storage tank 11, and when the rollers 3 with less grease pass through the oil storage tank 11, the surfaces of the rollers 3 can be stuck with the grease in the oil storage tank 11; the shock-absorbing piece comprises a shock-absorbing pad 12 which is annularly arranged along the inner wall of the guide rail 6, an oil outlet 13 is formed in the position, corresponding to the oil storage tank 11, of the shock-absorbing pad 12, the shock-absorbing pad 12 is arranged on the inner wall of the guide rail 6, the shock-absorbing pad 12 can be contacted with the roller 3, when the roller 3 enters the guide rail 6, the rotating speed of the roller 3 can be reduced after the roller 3 is contacted with the shock-absorbing pad 12, vibration generated by the contact of the roller 3 and the shock-absorbing pad 12 can be reduced, the shock-absorbing pad 12 can prevent the roller 3 from directly striking the guide rail 6 when entering the guide rail 6, noise generated by the collision of the roller 3 and the guide rail 6 is reduced, the oil outlet 13 is arranged corresponding to the position of the oil storage tank 11, and when the roller 3 passes through the oil storage tank 11, the oil outlet 13 can flow out of grease partially collected and is adhered to the roller 3 again, so that the roller 3 can continuously keep a lubrication state, and the structure is simple, and operation is convenient.
While the basic principles and main features of the present utility model and advantages of the present utility model have been shown and described, it will be understood by those skilled in the art that the present utility model is not limited by the foregoing embodiments, which are described in the foregoing specification merely illustrate the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides an automobile trunk lead screw subassembly which characterized in that: including the body of rod, along the gliding sliding sleeve of body of rod axial and be used for the cooperation sliding sleeve on the body of rod gliding roller, the screw thread groove has been seted up to the body of rod annular, the cavity has been seted up on the sliding sleeve and is used for passing the body of rod and supplies the holding hole of local body of rod holding, the guide rail has been seted up to holding hole inner peripheral wall corresponding screw thread groove position annular, guide rail and screw thread groove local combination are formed with and supply the rolling raceway of roller, be provided with the dust removal spare that is arranged in the clearance screw thread groove when the sliding sleeve slides on the sliding sleeve, the guide rail corresponds the roller position and is provided with the oil storage spare that is used for collecting the unnecessary grease of roller surface, be provided with the shock attenuation spare that is used for reducing the collision range of roller and guide rail when the sliding sleeve slides on the guide rail.
2. A car trunk lead screw assembly as recited in claim 1, wherein: the opening part of the accommodating hole is provided with a groove, the dust removing piece is an elastic dust removing brush and a fixing ring used for fixing the elastic dust removing brush in the groove, the fixing ring is in plug-in fit with the groove, one end of the dust removing brush is annularly arranged in the groove along the inner side wall of the groove, and the other end of the dust removing brush is in contact with the thread groove.
3. A car trunk lead screw assembly as recited in claim 2, wherein: the fixed ring is provided with an elastic pad corresponding to the position of the elastic dust removing brush, and the elastic pad is matched with the inner wall of the groove to clamp and fix the elastic dust removing brush.
4. A car trunk lead screw assembly as recited in claim 3, wherein: the damping piece comprises a damping pad which is arranged along the circumferential direction of the inner wall of the guide rail, and an oil outlet is formed in the damping pad corresponding to the oil storage tank.
5. A car trunk lead screw assembly as recited in claim 1, wherein: the oil storage part is an oil storage tank arranged along the length direction of the guide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321747925.3U CN220353680U (en) | 2023-07-04 | 2023-07-04 | Automobile trunk screw rod assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321747925.3U CN220353680U (en) | 2023-07-04 | 2023-07-04 | Automobile trunk screw rod assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220353680U true CN220353680U (en) | 2024-01-16 |
Family
ID=89505904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321747925.3U Active CN220353680U (en) | 2023-07-04 | 2023-07-04 | Automobile trunk screw rod assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220353680U (en) |
-
2023
- 2023-07-04 CN CN202321747925.3U patent/CN220353680U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |