CN211969312U - Friction damping locking mechanism and sliding rail - Google Patents
Friction damping locking mechanism and sliding rail Download PDFInfo
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- CN211969312U CN211969312U CN202020281194.8U CN202020281194U CN211969312U CN 211969312 U CN211969312 U CN 211969312U CN 202020281194 U CN202020281194 U CN 202020281194U CN 211969312 U CN211969312 U CN 211969312U
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- groove
- stop
- locking mechanism
- slide rail
- fixedly connected
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Abstract
The utility model discloses a friction damping locking mechanism and slide rail, friction damping locking mechanism includes: the bottom of the upper shell is provided with a first groove, and a first guide column is fixedly connected in the first groove; the top of the lower shell is provided with a second groove, and a second guide column is fixedly connected in the second groove; the compression spring is sleeved outside the first guide post and the second guide post at the same time; the stop boss is fixedly connected to the bottom of the lower shell; the upper shell and the lower shell are clamped and connected, and the lower shell can move up and down relative to the upper shell. The utility model discloses simple structure, the part is few, and the assembly is simple.
Description
Technical Field
The utility model relates to a slide rail technical field especially relates to a friction damping locking mechanism and slide rail.
Background
With the improvement of science and technology and the improvement of life quality of people, the requirement of people on riding comfort is higher and higher. In order to meet the riding experience of different crowds, moving parts such as vehicle-mounted center console handrails, drawers and storage boxes need to have a certain sliding function, and the comfort of using the moving parts by different crowds is met. The comfort of the human and the machine is increased. However, the existing friction damping locking mechanism has the problems of complex structure, more parts and complex assembly.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem mentioned in the above-mentioned background art, the utility model provides a friction damping locking mechanism and slide rail, simple structure, part are few, the assembly is simple.
A friction damped locking mechanism comprising:
the bottom of the upper shell is provided with a first groove, and a first guide column is fixedly connected in the first groove;
the top of the lower shell is provided with a second groove, and a second guide column is fixedly connected in the second groove;
the compression spring is sleeved outside the first guide post and the second guide post at the same time;
the stop boss is fixedly connected to the bottom of the lower shell;
the upper shell and the lower shell are clamped and connected, and the lower shell can move up and down relative to the upper shell.
Furthermore, two sides of the bottom of the upper shell are respectively provided with an elastic side wall extending downwards, the elastic side wall is provided with a first clamping groove, a second clamping groove is arranged at the position of the side wall of the upper shell corresponding to the position of the first clamping groove, and the second clamping groove is communicated with the first clamping groove to form a clamping groove;
the upper shell and the lower shell are connected in a clamping mode through the buckles and the clamping grooves in a clamping mode.
Furthermore, an inclined plane is arranged at the top of the buckle.
Further, first draw-in groove is U type groove, the buckle bottom is the arc structure.
Furthermore, the top of the compression spring is fixedly connected with the inner wall of the first groove, and the bottom of the compression spring is fixedly connected with the inner wall of the second groove.
Furthermore, the stop boss is of a hemispherical structure.
Furthermore, the number of the stop bosses is two, and the two stop bosses are fixedly connected to two sides of the bottom of the lower shell.
The utility model also discloses a slide rail, a serial communication port, include:
the friction damping locking mechanism of any one of claims 1 to 7 is fixedly connected inside the inner slide rail, and the outer walls of both sides of the inner slide rail are provided with first arc-shaped sliding grooves;
the top of the outer sliding rail is provided with a groove, the inner walls of two sides of the outer sliding rail are provided with second arc-shaped sliding grooves, and the inner wall of the bottom of the outer sliding rail is provided with two stop grooves;
the sliding mechanism comprises a rectangular frame arranged between an inner sliding rail and an outer sliding rail, a plurality of balls are fixedly penetrated through two opposite side walls of the rectangular frame, and the balls are respectively in sliding fit with the first arc-shaped sliding groove and the second arc-shaped sliding groove;
when the inner slide rail and the outer slide rail generate relative motion, the stop boss is abutted against the inner wall of the bottom of the outer slide rail, and when the stop boss slides to the stop groove, the bottom of the stop boss is embedded into the stop groove.
Furthermore, the longitudinal section of the stop groove is of a horn-shaped structure with a wide upper part and a narrow lower part.
The utility model has the advantages that:
1. the utility model discloses a friction damping locking mechanism simple structure, the part is few, and the assembly is simple.
2. The utility model discloses a slide rail is when relative outer slide rail slides including the slide rail, and compression spring makes and ends a boss and to the bottom inner wall production pressure of outer slide rail to produce the frictional damping power when making interior slide rail slide relative outer slide rail, help increasing frictional damping locking mechanism's fatigue performance.
Drawings
Fig. 1 is a schematic structural diagram of a friction damping locking mechanism.
FIG. 2 is a schematic view of the internal structure of FIG. 1;
fig. 3 is a schematic structural view of the slide rail.
Fig. 4 is a plan view of the closed state of the slide rail.
Fig. 5 is a sectional view taken along line a-a of fig. 4.
Fig. 6 is an enlarged view of fig. 5 at C.
Fig. 7 is a plan view of the opened state of the slide rail.
Fig. 8 is a cross-sectional view taken along line E-E of fig. 7.
Fig. 9 is an enlarged view of fig. 8 at D.
Fig. 10 is a sectional view taken along line B-B of fig. 7.
Wherein, 1 is the upper housing, 2 is first recess, 3 is first guide post, 4 is the lower casing, 5 is the second recess, 6 is the second guide post, 7 is compression spring, 8 is a stop boss, 9 is the elasticity lateral wall, 10 is first draw-in groove, 11 is the buckle, 1101 is the inclined plane, 12 is interior slide rail, 1201 is first arc spout, 13 is outer slide rail, 1301 is second arc spout, 1302 is a stop groove, 14 is the rectangle frame, 15 is the ball, 16 is the mounting groove, 17 is the second draw-in groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
1-2, a friction damped locking mechanism comprising:
the device comprises an upper shell 1, wherein a first groove 2 is formed in the bottom of the upper shell 1, and a first guide column 3 is fixedly connected in the first groove 2; the upper shell 1 and the first guide column 3 are integrally formed by injection molding;
the top of the lower shell 4 is provided with a second groove 5, and a second guide column 6 is fixedly connected in the second groove 5; the lower shell 4 and the second guide column 6 are integrally formed by injection molding.
The compression spring 7 is sleeved outside the first guide column 3 and the second guide column 6 at the same time; the top of the compression spring 7 is fixedly connected with the inner wall of the first groove 2, and the bottom of the compression spring 7 is fixedly connected with the inner wall of the second groove 5.
The stop boss 8 is fixedly connected to the bottom of the lower shell 4; the stop boss 8 is of a hemispherical structure. Two stop bosses 8 are arranged, and the two stop bosses 8 are fixedly connected with two sides of the bottom of the lower shell 4.
Go up casing 1 and lower casing 4 joint and lower casing 4 is movable from top to bottom relatively last casing 1.
Two sides of the bottom of the upper shell 1 are respectively provided with an elastic side wall 9 extending downwards, the elastic side walls 9 are provided with first clamping grooves 10, the side walls of the upper shell 1 are provided with second clamping grooves 17 at positions corresponding to the first clamping grooves 10, and the second clamping grooves 17 are communicated with the first clamping grooves 10 to form clamping grooves;
two sides of the top of the lower shell 4 are respectively provided with a buckle 11, the buckles 11 are in relative up-down sliding fit with the clamping grooves, and the upper shell 1 and the lower shell 4 are clamped through the buckles 11 and the clamping grooves. Wherein, elasticity lateral wall 9 is made for elastic material, and optional ABS or other have elastic material, and 11 tops of buckle are equipped with an inclined plane 1101, and 11 bottoms of buckle are the arc structure, and first draw-in groove 10 is U type groove. Due to the inclined plane 1101, when the upper housing 1 and the lower housing 4 are assembled, the elastic side wall 9 can slide downwards along the inclined plane 1101, and the assembly is easy.
A slide rail as shown in figures 3-10, comprising:
the bottom of the inner slide rail 12 is provided with a slot, the friction damping locking mechanism is fixedly connected inside the inner slide rail 12, and the outer walls of two sides of the inner slide rail 12 are provided with first arc-shaped slide grooves 1201;
wherein, be equipped with mounting groove 16 on the inside rail 12 top lateral wall, go up casing 1 and run through mounting groove 16 and with mounting groove 16 fixed connection.
The top of the outer sliding rail 13 is provided with a slot, the inner walls of two sides of the outer sliding rail 13 are provided with second arc-shaped sliding grooves 1301, and the inner wall of the bottom of the outer sliding rail 13 is provided with two stop grooves 1302;
the sliding mechanism comprises a rectangular frame 14 arranged between an inner sliding rail 12 and an outer sliding rail 13, a plurality of balls 15 are fixedly penetrated through two opposite side walls of the rectangular frame 14, and the balls 15 are respectively in sliding fit with the first arc-shaped sliding chute 1201 and the second arc-shaped sliding chute 1301;
when the inner slide rail 12 and the outer slide rail 13 generate relative movement, the stop boss 8 abuts against the inner wall of the bottom of the outer slide rail 13, and when the stop boss 8 slides to the stop groove 1302, the bottom of the stop boss 8 is embedded into the stop groove 1302.
The locking and limiting effect is achieved through the matching of the upper shell 1 and the inner sliding rail 12 and the matching of the two stop bosses 8 of the lower shell 4 and the two stop grooves 1302 of the outer sliding rail 13.
The longitudinal section of the stop groove 1302 is a horn-shaped structure with a wide top and a narrow bottom.
The utility model discloses when concrete implementation: as shown in fig. 4, 5 and 6, when the slide rail is in the closed state, the stop boss 8 at the left side of the bottom of the lower housing 4 is embedded into the stop groove 1302 at the left side of the bottom inner wall of the outer slide rail 13, and in the opening process, the stop boss 8 embedded into the stop groove 1302 slides out along the stop groove 1302, and under the action of the compression spring 7, the stop boss 8 is abutted against the bottom inner wall of the outer slide rail 13, and a friction damping force is generated when the stop boss 8 slides relative to the bottom inner wall of the outer slide rail 13, which is helpful for increasing the fatigue performance of the friction damping locking mechanism. As shown in fig. 7, 8 and 9, when the stop boss 8 located at the right side of the bottom of the lower housing 4 slides into the stop groove 1302 located at the right side of the inner wall of the bottom of the outer slide rail 13, the stop boss 8 located at the right side of the bottom of the lower housing 4 is embedded into the stop groove 1302, and a locking force is generated between the stop boss 8 and the stop groove 1302, so that the locking force can improve the stop feeling of the slide rail.
The frictional damping force f is equal to the pressure N generated by the compression spring 3 multiplied by u, the coefficient of friction between the stop boss 8 and the inner wall of the outer slide rail 13. The locking force F is equal to N (u + tan (a)), where a is equal to the angle between the slope of the detent 1302 and the horizontal.
The above is only the specific implementation manner of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.
Claims (9)
1. A friction damped locking mechanism, comprising:
the bottom of the upper shell is provided with a first groove, and a first guide column is fixedly connected in the first groove;
the top of the lower shell is provided with a second groove, and a second guide column is fixedly connected in the second groove;
the compression spring is sleeved outside the first guide post and the second guide post at the same time;
the stop boss is fixedly connected to the bottom of the lower shell;
the upper shell and the lower shell are clamped and connected, and the lower shell can move up and down relative to the upper shell.
2. The friction damping locking mechanism of claim 1, wherein two sides of the bottom of the upper housing are respectively provided with a downwardly extending elastic side wall, the elastic side wall is provided with a first clamping groove, a second clamping groove is arranged at a position of the side wall of the upper housing corresponding to the first clamping groove, and the second clamping groove is communicated with the first clamping groove to form a clamping groove;
the upper shell and the lower shell are connected in a clamping mode through the buckles and the clamping grooves in a clamping mode.
3. The friction damped locking mechanism of claim 2 wherein said snap top is beveled.
4. The friction damping locking mechanism of claim 2, wherein the first slot is a U-shaped slot and the bottom of the clip is an arc-shaped structure.
5. The friction damped locking mechanism of claim 1 wherein a top portion of said compression spring is fixedly attached to an inner wall of said first recess and a bottom portion of said compression spring is fixedly attached to an inner wall of said second recess.
6. The friction damped locking mechanism of claim 1 wherein said stop boss is hemispherical in configuration.
7. The friction damping locking mechanism of claim 6, wherein there are two stop bosses, and the two stop bosses are fixedly connected to two sides of the bottom of the lower housing.
8. A slide rail, comprising:
the friction damping locking mechanism of any one of claims 1 to 7 is fixedly connected inside the inner slide rail, and the outer walls of both sides of the inner slide rail are provided with first arc-shaped sliding grooves;
the top of the outer sliding rail is provided with a groove, the inner walls of two sides of the outer sliding rail are provided with second arc-shaped sliding grooves, and the inner wall of the bottom of the outer sliding rail is provided with two stop grooves;
the sliding mechanism comprises a rectangular frame arranged between an inner sliding rail and an outer sliding rail, a plurality of balls are fixedly penetrated through two opposite side walls of the rectangular frame, and the balls are respectively in sliding fit with the first arc-shaped sliding groove and the second arc-shaped sliding groove;
when the inner slide rail and the outer slide rail generate relative motion, the stop boss is abutted against the inner wall of the bottom of the outer slide rail, and when the stop boss slides to the stop groove, the bottom of the stop boss is embedded into the stop groove.
9. The slide rail of claim 8 wherein the longitudinal section of the stop groove is a trumpet-shaped structure with a wide top and a narrow bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020281194.8U CN211969312U (en) | 2020-03-10 | 2020-03-10 | Friction damping locking mechanism and sliding rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020281194.8U CN211969312U (en) | 2020-03-10 | 2020-03-10 | Friction damping locking mechanism and sliding rail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211969312U true CN211969312U (en) | 2020-11-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020281194.8U Active CN211969312U (en) | 2020-03-10 | 2020-03-10 | Friction damping locking mechanism and sliding rail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211969312U (en) |
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2020
- 2020-03-10 CN CN202020281194.8U patent/CN211969312U/en active Active
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