CN217152860U - Guide rail for timing system - Google Patents
Guide rail for timing system Download PDFInfo
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- CN217152860U CN217152860U CN202122435812.7U CN202122435812U CN217152860U CN 217152860 U CN217152860 U CN 217152860U CN 202122435812 U CN202122435812 U CN 202122435812U CN 217152860 U CN217152860 U CN 217152860U
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- steel plate
- plate framework
- steel sheet
- guide rail
- timing system
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Abstract
The utility model discloses a guide rail for a timing system, which comprises an arc-shaped steel plate framework, wherein a friction plate made of plastic material is arranged outside the steel plate framework, two mounting plates formed by bending are arranged on one side of the width direction of the steel plate framework, mounting holes are arranged on the mounting plates, a protruding part formed by punching is arranged on the steel plate framework, and two ends of the protruding part are respectively positioned on one side of the corresponding mounting plates; two strip-shaped positioning holes are formed in the steel plate framework and are respectively close to two ends of the protruding portion, positioning protrusions fixed with the friction plates are arranged in the positioning holes, and guide inclined planes are arranged on the positioning protrusions; the both ends of steel sheet skeleton are equipped with the breach, and breach and mounting panel are located steel sheet skeleton's broadside both sides respectively, are equipped with the board of borduring of being connected with the friction disc in the breach, and the board of borduring is L shape, forms between board of borduring and the friction disc by steel sheet skeleton male slot. The utility model has the advantages of difficult deformation and convenient assembly.
Description
Technical Field
The utility model belongs to guided way field for the timing system.
Background
The structure of the guide rail of the formal system comprises an arc-surface-shaped steel plate framework, wherein a friction plate made of plastic materials is arranged on the outer side of the steel plate framework, the friction plate is used for reducing friction noise between the guide rail and a timing chain and friction force during operation, two mounting plates formed by bending are arranged on one side of the width direction of the steel plate framework, reinforcing rib plates formed by bending together are arranged on one side of the width direction of the mounting plates, mounting holes are formed in the mounting plates, the guide rail is fixed in the timing system through screws penetrating through the mounting holes, and the two mounting plates are close to two ends of the steel plate framework respectively.
The structure of guided way on the market at present divides two kinds, and the first kind is homonymy installation guided way, as shown in fig. 5, and two mounting panels are the same in radial ascending direction of bending, and at this moment, need not break off between two deep floor, bend along with bending of mounting panel, two keysets and two keysets link into a whole promptly, play fine additional strengthening to steel sheet skeleton, prevent that steel sheet skeleton warp, prevent that the guided way warp promptly. The second type is that the guided way is installed on the opposite side, as shown in fig. 6, the bending directions of the two installation plates in the radial direction are opposite, and the installation plates and the reinforcing rib plates are located on the same side of the steel plate framework, and the two reinforcing plates must be disconnected to ensure smooth bending, so that the two reinforcing rib plates cannot be connected into a whole to form a weak point, the steel plate framework is easy to deform, namely, the guided way is easy to deform, and the timing gas distribution angle and even the performance of the whole machine are affected.
Therefore, the conventional guide rail mounted on the opposite side has the defect of easy deformation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a guided way for timing system. The utility model has the advantages of difficult deformation and convenient assembly.
The technical scheme of the utility model: a guide rail for a timing system comprises an arc-surface-shaped steel plate framework, wherein a friction plate made of plastic materials is arranged on the outer side of the steel plate framework, two mounting plates formed by bending are arranged on one side of the steel plate framework in the width direction, the two mounting plates are respectively close to two ends of the steel plate framework, mounting holes are formed in the mounting plates, a protruding portion formed by punching towards the inner side is arranged on the steel plate framework, the protruding portion is in a long strip shape, and two ends of the protruding portion are respectively located on one side of the corresponding mounting plates;
two strip-shaped positioning holes are formed in the steel plate framework and are respectively close to two ends of the protruding portion, positioning protrusions fixed with the friction plates are arranged in the positioning holes, and guide inclined planes are arranged on the positioning protrusions;
the both ends of steel sheet skeleton are equipped with the breach, and breach and mounting panel are located steel sheet skeleton's broadside both sides respectively, are equipped with the board of borduring of being connected with the friction disc in the breach, and the board of borduring is L shape, forms between board of borduring and the friction disc by steel sheet skeleton male slot.
In the guide rail for a timing system, the protrusion is located on a middle bisection plane of the steel plate framework in the width direction.
In the guide rail for the timing system, a through groove is formed on the outer side of the friction plate.
In the guide rail for a timing system, the steel plate frame is made of spring steel.
In the guide rail for a timing system, the length of the positioning hole is greater than the length of the positioning protrusion.
In the guide rail for a timing system, the friction plate is provided with a protruding portion that engages with the protruding portion.
Compared with the prior art, the utility model discloses an improvement of making on the basis of heteropleural installation guided way, the protruding portion of stamping formation on steel plate framework, replace the deep floor that bends and form with the protruding portion that the punching press formed, because protruding portion and mounting panel are not on the coplanar, the tip extendible of protruding portion to one side of mounting panel, form overlapping region with the mounting panel in the direction of looking squarely, thereby it is whole to link into in the direction of looking squarely, the weak point has been eliminated, steel plate framework is difficult to warp, the guided way is difficult to warp promptly, the chain is looked squarely to the bearing that can be good. Furthermore, the utility model discloses an to structural optimization, it is comparatively convenient still to make the equipment between steel sheet skeleton and the friction disc. Therefore, the utility model has the advantages of be difficult to warp and the equipment is comparatively convenient.
Drawings
FIG. 1 is a schematic structural view of example 1.
FIG. 2 is an exploded top view of example 1.
FIG. 3 is an exploded bottom view of example 1.
Fig. 4 is a schematic structural view of the friction plate of embodiment 2.
Fig. 5 is a front view of a prior art same side mounted guide rail.
Fig. 6 is a front view of a prior art same side mounted guide rail.
The labels in the figures are: 1-steel plate skeleton, 2-friction plate, 3-mounting plate, 4-mounting hole, 5-projection, 6-positioning hole, 7-positioning projection, 8-guiding inclined plane, 9-notch, 10-edge wrapping plate, 11-reinforcing rib plate, 12-slot, 13-through slot, 14-sealing plate and 15-projection.
Detailed Description
The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.
Example 1. A guide rail for a timing system is shown in figures 1 to 3 and comprises an arc-shaped steel plate framework 1, wherein a friction plate 2 made of plastic materials is arranged on the outer side of the steel plate framework 1, the width of the steel plate framework 1 is equal to that of the friction plate 2, two mounting plates 3 formed by bending are arranged on one side of the steel plate framework 1 in the width direction, the two mounting plates 3 are respectively close to two ends of the steel plate framework 1, mounting holes 4 are formed in the mounting plates 3, a protruding portion 5 formed by stamping towards the inner side is arranged on the steel plate framework 1, the protruding portion 5 is in a long strip shape, and two ends of the protruding portion 5 are respectively located on one side corresponding to the mounting plates 3;
two strip-shaped positioning holes 6 are formed in the steel plate framework 1, the two positioning holes 6 are close to two ends of the protruding portion 5 respectively, positioning protrusions 7 fixed with the friction plates 2 are arranged in the positioning holes 6, and guide inclined planes 8 are arranged on the positioning protrusions 7;
the both ends of steel sheet skeleton 1 are equipped with breach 9, and breach 9 and mounting panel 3 are located steel sheet skeleton 1's width respectively to both sides, are equipped with the board 10 of borduring that is connected with friction disc 2 in the breach 9, and board 10 of borduring is L shape, forms between board 10 of borduring and friction disc 2 by steel sheet skeleton 1 male slot 12. One side of one slot 12 that faces to the timing chain is equipped with shrouding 14, and shrouding 14's effect is the joint strength who strengthens between one end of friction disc 2 and the steel sheet skeleton 1 one end, prevents that the one end of friction disc 2 from receiving the timing chain impact and warp and open.
The protruding part 5 is positioned on the middle bisection plane of the steel plate framework 1 in the width direction.
The outside of friction disc 2 is equipped with logical groove 13, and the width that leads to groove 13 cooperates with the width of timing chain, plays spacing guide's effect to the timing chain.
The steel plate framework 1 is made of spring steel, so that the steel plate framework 1 has high strength and elasticity, and can restore the original shape after receiving impact, thereby continuously and well supporting the timing chain.
The length of the positioning hole 6 is 1-1.5mm greater than that of the positioning bulge 7.
The positioning protrusions 7, the edge covering plate 10 and the closing plate 14 are integrally formed on the friction plate 2 in an injection molding mode.
Example 2. Unlike embodiment 1, as shown in fig. 4, the friction plate 2 is provided with a projection 15 that engages with the projection 5.
Compared with the embodiment 2, the embodiment 1 is only different from the embodiment 2 in that the friction plate 2 of the embodiment 1 is not provided with the bulge part 15, so that the friction plate 2 is relatively flat, the manufacturing is relatively convenient, and the cost is relatively low; the friction plate 2 of embodiment 2 has the protrusions 15, and the protrusions 15 are fitted into the grooves formed by the pressed protrusions 5, so that the friction plate 2 can be further limited in the width direction, and the friction plate 2 is prevented from slipping laterally on the steel plate frame 1, but the cost is slightly increased.
The utility model discloses an improvement of making on the basis of heteropleural side installation guided way, the protruding portion of stamping formation on steel plate framework, replace the deep floor that bends and form with the protruding portion that the punching press formed, because protruding portion and mounting panel are not on the coplanar, the tip extendible of protruding portion to one side of mounting panel, form overlapping region with the mounting panel in the direction of looking squarely, thereby it is whole to link into in the direction of looking squarely, the weak point has been eliminated, steel plate framework is difficult to warp, the guided way is difficult to warp promptly, the chain is looked squarely to the bearing that can be good. Furthermore, the utility model discloses an to structural optimization, it is comparatively convenient still to make the equipment between steel sheet skeleton and the friction disc. Therefore, the utility model has the advantages of be difficult to warp and the equipment is comparatively convenient.
The utility model discloses an equipment: put steel plate framework 1 side, with mounting panel 3 mode under promptly, put steel plate framework 1 on the desktop, because two mounting panels 3 are located steel plate framework 1's radial both sides respectively, steel plate framework 1's both sides all receive the support, steel plate framework 1 place steadily. The slot 12 is aligned with the steel plate framework 1, the friction plate 2 is pressed downwards, the pressing process can be achieved through hitting with the help of a rubber hammer, a hitting point is aligned with the positioning protrusion 7, and the assembly can be completed through two times of hitting generally. In the process of assembling the friction plate 2 on the steel plate framework 1, due to the interference between the positioning protrusions 7 and the steel plate framework 1, the friction plate 2 is stressed to have certain bending deformation, so that the distance between the two positioning protrusions 7 changes, when the length of the positioning hole 6 is greater than that of the positioning protrusions 7, the distance between the two positioning protrusions 7 can still smoothly enter the positioning hole 6 after changing, and the smooth assembly is ensured.
The utility model has the advantages of difficult deformation and convenient assembly.
Claims (6)
1. The utility model provides a guided way for timing system, includes cambered surface shape's steel sheet skeleton (1), and the outside of steel sheet skeleton (1) is equipped with friction disc (2) of plastic material, and the width of steel sheet skeleton (1) is equipped with two mounting panel (3) of bending formation to one side, and two mounting panel (3) are close to the both ends of steel sheet skeleton (1) respectively, are equipped with mounting hole (4), its characterized in that on mounting panel (3): the steel plate framework (1) is provided with a protruding part (5) which is formed by punching towards the inner side, the protruding part (5) is in a strip shape, and two ends of the protruding part (5) are respectively positioned at one side of the corresponding mounting plate (3);
two strip-shaped positioning holes (6) are formed in the steel plate framework (1), the two positioning holes (6) are close to two ends of the protruding portion (5) respectively, positioning protrusions (7) fixed with the friction plate (2) are arranged in the positioning holes (6), and guide inclined planes (8) are arranged on the positioning protrusions (7);
the both ends of steel sheet skeleton (1) are equipped with breach (9), and the width that breach (9) and mounting panel (3) are located steel sheet skeleton (1) respectively is equipped with board of borduring (10) of being connected with friction disc (2) in breach (9), and board of borduring (10) are L shape, forms between board of borduring (10) and friction disc (2) by steel sheet skeleton (1) male slot (12).
2. The guide rail for a timing system according to claim 1, characterized in that: the protruding part (5) is positioned on the middle bisection plane of the steel plate framework (1) in the width direction.
3. The guide rail for a timing system according to claim 1, characterized in that: and a through groove (13) is formed in the outer side of the friction plate (2).
4. The guide rail for a timing system according to claim 1, characterized in that: the steel plate framework (1) is made of spring steel.
5. The guide rail for a timing system according to claim 1, characterized in that: the length of the positioning hole (6) is greater than that of the positioning bulge (7).
6. The guide rail for a timing system according to claim 1, characterized in that: and the friction plate (2) is provided with a bulge (15) matched with the protruding part (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122435812.7U CN217152860U (en) | 2021-10-09 | 2021-10-09 | Guide rail for timing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122435812.7U CN217152860U (en) | 2021-10-09 | 2021-10-09 | Guide rail for timing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217152860U true CN217152860U (en) | 2022-08-09 |
Family
ID=82660440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122435812.7U Active CN217152860U (en) | 2021-10-09 | 2021-10-09 | Guide rail for timing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217152860U (en) |
-
2021
- 2021-10-09 CN CN202122435812.7U patent/CN217152860U/en active Active
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