CN219865962U - Hollow spline shaft fork blanking cover - Google Patents
Hollow spline shaft fork blanking cover Download PDFInfo
- Publication number
- CN219865962U CN219865962U CN202320832186.1U CN202320832186U CN219865962U CN 219865962 U CN219865962 U CN 219865962U CN 202320832186 U CN202320832186 U CN 202320832186U CN 219865962 U CN219865962 U CN 219865962U
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- CN
- China
- Prior art keywords
- spline shaft
- hollow spline
- shaft fork
- hollow
- fork
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- 239000012634 fragment Substances 0.000 claims description 17
- 239000003292 glue Substances 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 3
- 239000004677 Nylon Substances 0.000 abstract description 31
- 229920001778 nylon Polymers 0.000 abstract description 31
- 238000000576 coating method Methods 0.000 abstract description 14
- 239000011248 coating agent Substances 0.000 abstract description 12
- 239000000843 powder Substances 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 description 4
- 239000007787 solid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model relates to the technical field of nylon coating of hollow spline shaft forks and discloses a hollow spline shaft fork plugging cover, which comprises a round cover body used for plugging a cavity of a hollow spline shaft fork from one end of the hollow spline shaft fork, wherein a plurality of elastic pieces used for fixing the round cover body on the hollow spline shaft fork are arranged on the round cover body, the bottom of each elastic piece is detachably connected with the round cover body, and one side, opposite to the inner wall of the cavity of the hollow spline shaft fork, of each elastic piece is provided with a magnetic strip, so that the technical requirement of a nylon powder sticking procedure of the hollow spline shaft fork is met, the nylon powder consumption is reduced, and the hollow spline shaft fork plugging cover is simple in structure, light in weight, reusable, low in cost and good in reliability.
Description
Technical Field
The utility model relates to the technical field of hollow spline shaft yoke nylon coating processes, in particular to a hollow spline shaft yoke blanking cover.
Background
All parts of an automobile manufacturer are designed in a lightweight way, and a transmission shaft is a mechanical structure for connecting an automobile gearbox and a drive axle and is mainly used for transmitting torsion and rotating speed, so that the output torque and the rotating speed of the gearbox are transmitted to a rear axle. The spline shaft fork is also shifted from a solid spline shaft fork (as shown in fig. 3) to a hollow spline shaft fork (as shown in fig. 4).
Because of road surface reasons and when the automobile turns, the front wheel and the rear wheel have speed difference, so that the spline shaft fork can slide back and forth in the sliding sleeve and simultaneously rotate at a high speed, the precision requirement of the spline shaft fork teeth is very high, the straightness requirement is 0.015mm, the roundness requirement is 0.035mm, the wear resistance between the spline shaft fork teeth and the sliding is good, and the spline shaft fork spline part surface needs to be coated with nylon. When changing into hollow spline shaft fork back, carry out nylon coating operation, nylon powder can not only be stained with at spline shaft fork spline surface also can be stained with at the hollow intracavity portion of spline shaft fork, causes the waste of nylon, and can destroy spline shaft fork locating surface, is unfavorable for next process operation.
In order to solve the problems, a special blanking cover for a nylon coating process of the hollow spline shaft fork is required to be designed, the hollow part of the hollow spline shaft fork is plugged before nylon coating operation, and the blanking cover is taken out after nylon coating, so that nylon is ensured not to be stuck in the hollow cavity of the spline shaft fork.
Disclosure of Invention
The utility model aims to provide a reusable low-cost blanking cover, which not only meets the technological requirements of a nylon powder sticking procedure of a hollow spline shaft, but also can reduce the consumption of nylon powder.
The technical aim of the utility model is realized by the following technical scheme:
the utility model provides a hollow spline shaft fork blanking cap, includes the circular lid that is used for carrying out the shutoff to the cavity of hollow spline shaft fork from the one end of hollow spline shaft fork, be equipped with a plurality of shell fragments that are used for fixing circular lid on hollow spline shaft fork on the circular lid, each the bottom of shell fragment all can dismantle with circular lid and be connected, each the shell fragment all is equipped with the magnetic stripe with the opposite one side of hollow spline shaft fork's cavity inner wall.
Through adopting above-mentioned technical scheme, after the round lid carries out the shutoff to the cavity of hollow spline shaft fork from the one end of hollow spline shaft fork before nylon coating operation, when can effectively guaranteeing nylon coating operation, the nylon powder can not glue in the hollow intracavity portion of spline shaft fork to reach the purpose that reduces nylon loss, a plurality of shell fragments utilize the magnetic stripe to adsorb on the cavity inner wall of hollow spline shaft fork from a plurality of directions respectively, make round lid and hollow spline shaft fork relatively fixed, guarantee that round lid can not break away from with hollow spline shaft fork at nylon coating operation in-process, not only simple structure, light, repeatedly usable moreover, and is with low costs, the reliability is good.
The utility model is further provided with: each elastic piece is bent into an L shape by a metal spring piece, a connecting hole is formed in the bottom of the elastic piece, a threaded hole matched with the connecting hole is formed in the end face of the circular cover body of the elastic piece, and the elastic piece is connected with the circular cover body through a bolt.
Through adopting above-mentioned technical scheme, the shell fragment passes through the bolt and can dismantle with circular lid and be connected for the shell fragment can adapt to the circular lid of different diameters, consequently only need change different circular lids just can realize carrying out the shutoff to the hollow spline shaft fork cavity of different diameters, has improved the application scope of blanking cover greatly, has saved development cost.
The utility model is further provided with: the section of one end of the elastic piece, which is opposite to the inner wall of the cavity of the hollow spline shaft fork, is arc-shaped, and the radian of the magnetic stripe is matched with that of the elastic piece.
Through adopting above-mentioned technical scheme, magnetic stripe and shell fragment set up to the arc, cavity inner wall with hollow spline shaft fork that can be better matches, guarantees that magnetic stripe and shell fragment and hollow spline shaft fork's cavity inner wall is absorptive inseparabler to guarantee that circular lid and hollow spline shaft fork relatively fixed's effect is better.
The utility model is further provided with: the elastic sheet is provided with a clamping groove for installing a magnetic strip, and the magnetic strip is matched with the clamping groove and connected through glue.
Through adopting above-mentioned technical scheme, the magnetic stripe passes through the draw-in groove to bond on the shell fragment, and through glue, make the magnetic stripe be difficult for coming off from the shell fragment, effectively increased blanking cover life, and, the magnetic stripe passes through the draw-in groove embedding shell fragment in, guarantee shell fragment and magnetic stripe homoenergetic and hollow spline shaft fork's cavity inner wall contact, area of contact is bigger, frictional force is bigger, therefore magnetic stripe and shell fragment are difficult for sliding after the cavity inner wall of hollow spline shaft fork adsorbs, consequently, further guaranteed circular lid and hollow spline shaft fork relatively fixed's effect.
The utility model is further provided with: the diameter of the circular cover body is larger than the diameter of the cavity of the hollow spline shaft fork and smaller than the diameter of the tooth root circle of the hollow spline shaft fork.
Through adopting above-mentioned technical scheme, the diameter of circular lid is greater than hollow spline shaft fork's cavity diameter and is less than hollow spline shaft fork root circle and guarantee that circular lid can fully block the cavity of hollow spline shaft fork can not cause the bottom surface to the spline shaft fork spline again and block, both satisfied spline shaft fork nylon and glued powder process technology requirement, can reduce the consumption of nylon powder again.
The beneficial effects of the utility model are as follows:
1. the utility model discloses a novel cavity of hollow spline shaft fork is plugged from the one end of hollow spline shaft fork before nylon coating operation to the use, guarantees when nylon coating operation, and nylon powder can not glue at the hollow intracavity portion of spline shaft fork to reach the purpose that reduces nylon loss, a plurality of shell fragments utilize the magnetic stripe to adsorb on the cavity inner wall of hollow spline shaft fork from a plurality of directions respectively, make circular lid and hollow spline shaft fork relatively fixed, guarantee that circular lid can not break away from with hollow spline shaft fork at nylon coating operation in-process, not only simple structure, light, repeatedly usable moreover, and is with low costs, the reliability is good.
2. According to the utility model, the elastic sheet is detachably connected with the circular cover body through the bolts, so that the elastic sheet can be adapted to the circular cover bodies with different diameters, and therefore, the hollow spline shaft fork cavities with different diameters can be plugged only by replacing the circular cover bodies, the application range of the plugging cover is greatly improved, and the development cost is saved.
3. The magnetic strips and the elastic sheets are arranged in an arc shape, so that the magnetic strips and the elastic sheets can be better matched with the inner wall of the cavity of the hollow spline shaft fork, the magnetic strips and the elastic sheets are more tightly adsorbed on the inner wall of the cavity of the hollow spline shaft fork, and the effect of relatively fixing the circular cover body and the hollow spline shaft fork is better.
4. According to the utility model, the magnetic strips are arranged on the elastic pieces through the clamping grooves and are bonded through glue, so that the magnetic strips are not easy to fall off from the elastic pieces, the service life of the blanking cover is effectively prolonged, the magnetic strips are embedded into the elastic pieces through the clamping grooves, the elastic pieces and the magnetic strips can be ensured to be contacted with the inner walls of the cavities of the hollow spline shaft fork, the contact area is larger, the friction force is larger, and therefore the magnetic strips and the elastic pieces are not easy to slide after being adsorbed on the inner walls of the cavities of the hollow spline shaft fork, and the effect of relatively fixing the circular cover body and the hollow spline shaft fork is further ensured.
5. The diameter of the circular cover body is larger than the diameter of the cavity of the hollow spline shaft fork and smaller than the root circle of the hollow spline shaft fork, so that the circular cover body can fully block the cavity of the hollow spline shaft fork, can not block the bottom surface of the spline shaft fork, and can meet the technological requirements of a nylon powder bonding process of the hollow spline shaft fork and reduce the consumption of nylon powder.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic cross-sectional view of a hollow spline shaft yoke blanking cover of the present utility model.
Fig. 2 is a top view of a hollow spline shaft yoke blanking cover of the present utility model.
Fig. 3 is a schematic cross-sectional structure of a solid spline shaft yoke.
FIG. 4 is a schematic cross-sectional view of a hollow spline shaft yoke
In the figure, 1, a hollow spline shaft fork; 2. a cavity; 3. a circular cover; 4. a spring plate; 5. a magnetic stripe; 6. a connection hole; 7. a threaded hole; 8. a bolt; 9. a clamping groove.
Detailed Description
The technical scheme of the present utility model will be clearly and completely described in connection with specific embodiments. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.
As shown in fig. 1-2, the hollow spline shaft fork plugging cover comprises a circular cover body 3 for plugging a cavity 2 of the hollow spline shaft fork 1 from one end of the hollow spline shaft fork 1, a plurality of elastic pieces 4 for fixing the circular cover body 3 on the hollow spline shaft fork 1 are arranged on the circular cover body 3, the bottom of each elastic piece 4 is detachably connected with the circular cover body 3, and one side, opposite to the inner wall of the cavity 2 of the hollow spline shaft fork 1, of each elastic piece 4 is provided with a magnetic strip 5.
Each elastic piece 4 is bent into an L shape by a metal spring piece, a connecting hole 6 is formed in the bottom of each elastic piece 4, a threaded hole 7 matched with the connecting hole 6 is formed in the end face of the circular cover body 3 of each elastic piece 4, and the elastic pieces 4 are connected with the circular cover body 3 through bolts 8.
The section of one end of the elastic sheet 4 opposite to the inner wall of the cavity 2 of the hollow spline shaft yoke 1 is arc-shaped, and the radian of the magnetic strip 5 is matched with that of the elastic sheet 4.
The spring plate 4 is provided with a clamping groove 9 for installing the magnetic strip 5, and the magnetic strip 5 is matched with the clamping groove 9 and connected through glue.
The diameter of the circular cover body 3 is larger than the diameter of the cavity of the hollow spline shaft fork 1 and smaller than the diameter of the root circle of the hollow spline shaft fork 1.
The process implementation process of the hollow spline shaft fork blanking cover comprises the following steps:
step 1: the hollow spline shaft fork 1 is suspended on a nylon coated catenary.
Step 2: and plugging the hollow spline shaft fork inner cavity suspending the chain by using a hollow spline shaft fork plugging cover.
Step 3: and (3) carrying out nylon coating operation on the hollow spline shaft fork 1 plugged with the hollow spline shaft fork plug cover.
Step 4: and taking the hollow spline shaft yoke 1 with the nylon coating off from the catenary and placing the hollow spline shaft yoke on a station device, and taking out the blanking cover to facilitate the repeated use of the next batch.
Claims (5)
1. A hollow spline shaft fork blanking cover which is characterized in that: including being used for carrying out circular lid (3) of shutoff to cavity (2) of hollow spline shaft fork (1) from the one end of hollow spline shaft fork (1), be equipped with a plurality of shell fragments (4) that are used for fixing circular lid (3) on hollow spline shaft fork (1) on circular lid (3), each the bottom of shell fragment (4) all can dismantle with circular lid (3) and be connected, each shell fragment (4) all are equipped with magnetic stripe (5) with the opposite one side of cavity (2) inner wall of hollow spline shaft fork (1).
2. The hollow spline shaft yoke blanking cover of claim 1, wherein: each elastic piece (4) is bent into an L shape by a metal spring piece, a connecting hole (6) is formed in the bottom of each elastic piece (4), a threaded hole (7) matched with the connecting hole (6) is formed in the end face of the circular cover body (3) of each elastic piece (4), and the elastic pieces (4) are connected with the circular cover body (3) through bolts (8).
3. A hollow spline shaft yoke blanking cover as defined in claim 2, wherein: the section of one end of the elastic piece (4) opposite to the inner wall of the cavity (2) of the hollow spline shaft fork (1) is arc-shaped, and the radian of the magnetic strip (5) is matched with that of the elastic piece (4).
4. A hollow spline shaft yoke blanking cover as defined in claim 3, wherein: the elastic sheet (4) is provided with a clamping groove (9) for installing the magnetic strip (5), and the magnetic strip (5) is matched with the clamping groove (9) and connected through glue.
5. The hollow spline shaft yoke blanking cover of claim 1, wherein: the diameter of the circular cover body (3) is larger than the diameter of the cavity of the hollow spline shaft fork (1) and smaller than the diameter of the root circle of the hollow spline shaft fork (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320832186.1U CN219865962U (en) | 2023-04-14 | 2023-04-14 | Hollow spline shaft fork blanking cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320832186.1U CN219865962U (en) | 2023-04-14 | 2023-04-14 | Hollow spline shaft fork blanking cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219865962U true CN219865962U (en) | 2023-10-20 |
Family
ID=88368459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320832186.1U Active CN219865962U (en) | 2023-04-14 | 2023-04-14 | Hollow spline shaft fork blanking cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219865962U (en) |
-
2023
- 2023-04-14 CN CN202320832186.1U patent/CN219865962U/en active Active
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| GR01 | Patent grant |