CN215487227U - Built-in dust-proof structure of sliding rail - Google Patents
Built-in dust-proof structure of sliding rail Download PDFInfo
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- CN215487227U CN215487227U CN202121983732.9U CN202121983732U CN215487227U CN 215487227 U CN215487227 U CN 215487227U CN 202121983732 U CN202121983732 U CN 202121983732U CN 215487227 U CN215487227 U CN 215487227U
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- side wall
- sliding
- groove
- contact
- slide rail
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- 238000000034 method Methods 0.000 claims abstract description 8
- 230000002093 peripheral effect Effects 0.000 claims abstract description 7
- 230000008569 process Effects 0.000 claims abstract description 7
- 238000002360 preparation method Methods 0.000 claims description 15
- 230000002708 enhancing effect Effects 0.000 claims description 6
- 238000001746 injection moulding Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 9
- 238000005096 rolling process Methods 0.000 description 16
- 238000009825 accumulation Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
The utility model discloses a sliding rail built-in dustproof structure, which comprises a retainer fixedly connected to a sliding seat, wherein the sliding seat is connected to the sliding rail in a sliding manner, the retainer is kept in a contact state with the peripheral side wall of the sliding rail in the process that the sliding seat moves along the sliding rail, and the peripheral side wall of the sliding rail is defined as a sliding side wall; the sliding rail is fixedly connected to the top surface of a base, a gap is reserved between the top surface of the base and the bottom surface of the sliding seat, foreign matters are accumulated on the top surface of the base opposite to the bottom surface of the sliding seat, and the direction in which the foreign matters are accumulated on the top surface of the base is defined as a first direction; the sliding side wall of the sliding rail is provided with a groove along the length direction of the sliding rail, the contact area of the retainer and the sliding side wall of the sliding rail is positioned in the groove, the retainer is in contact with the inner side wall of the groove, a gap between the retainer and the inner side wall of the groove is defined as a first gap, and the line where the first gap is positioned is intersected with the line where the first direction is positioned. The device has simple structure and good dustproof effect.
Description
Technical Field
The utility model relates to the field of guide equipment, in particular to a sliding rail built-in dustproof structure.
Background
The linear motion guide device comprises a linear slide rail, a slide seat arranged on the linear slide rail, end covers fixed at two ends of the slide seat and rolling elements (such as balls), wherein a rolling element loading passage and a ball return passage are arranged in the slide seat, and the rolling element loading passage and the rolling element return passage are connected through a rolling element transition passage arranged on the end covers, so that a rolling element circulating passage is formed. The rolling elements move in the rolling element circulation passage, and the sliding seat is kept in contact with the linear sliding rail through the rolling elements, so that the friction resistance between the sliding seat and the linear sliding rail is reduced.
In order to prolong the service life of the rolling element and the linear slide rail, in the using process of the linear motion guiding device, foreign matters or impurities cannot enter the area where the rolling element is located in the moving process of the sliding seat, so that the sliding seat needs to be sealed and dustproof. The dust-proof structure is usually formed by fixedly connecting a retainer to the inner side wall of the sliding seat, wherein the retainer is kept in contact with the side wall of the sliding rail during the sliding seat moves along the sliding rail. The retainers are generally two in number and are respectively arranged on two opposite peripheral side walls of the slide rail, which are defined as slide side walls, with which the retainers are held in contact.
The sliding rail is usually locked on the top surface of a base, the sliding seat moves along the sliding rail, and a gap is reserved between the bottom surface of the sliding seat and the top surface of the base; the sliding side wall is generally perpendicular to the top surface of the base; foreign matter is generally accumulated on the top surface of the base opposite to the bottom surface of the sliding seat, the foreign matter is gradually accumulated upwards on the top surface of the base, and a gap between the retainer and the sliding side wall is defined as a first gap which is parallel to the accumulation direction of the foreign matter, so that the foreign matter is easily entered into the rolling element circulation passage along the first gap, thereby causing damage to the rolling element during use.
Some bases are provided with one to two bosses, the sliding side walls of the sliding rails are respectively abutted against the side walls of the bosses, gaps are reserved between the top surfaces of the bosses and the bottom surfaces of the sliding seats, foreign matters are usually accumulated on the top surfaces of the bosses, and the foreign matters are gradually accumulated upwards on the top surfaces of the bosses. The first gap is parallel to the direction of the accumulation of the foreign matters, and the foreign matters are easy to enter the rolling element circulation passage along the first gap, so that the rolling elements are damaged in the using process.
Disclosure of Invention
In view of the above, it is desirable to provide a slide rail built-in dust-proof structure with simple structure and good dust-proof effect.
In order to solve the technical problems, the technical scheme of the utility model is as follows: a slide rail built-in dustproof structure comprises a retainer fixedly connected to a slide seat, wherein the slide seat is connected to a slide rail in a sliding manner, the retainer is kept in a contact state with the peripheral side wall of the slide rail in the process that the slide seat moves along the slide rail, and the peripheral side wall of the slide rail is defined as a sliding side wall; the sliding rail is fixedly connected to the top surface of a base, a gap is reserved between the top surface of the base and the bottom surface of the sliding seat, foreign matters are accumulated on the top surface of the base opposite to the bottom surface of the sliding seat, and the direction in which the foreign matters are accumulated on the top surface of the base is defined as a first direction; the sliding side wall of the sliding rail is provided with a groove along the length direction of the sliding rail, the contact area of the retainer and the sliding side wall of the sliding rail is positioned in the groove, the retainer is in contact with the inner side wall of the groove, a gap between the retainer and the inner side wall of the groove is defined as a first gap, and the line where the first gap is positioned is intersected with the line where the first direction is positioned.
Further, the retainer is fixedly connected to the sliding seat in a secondary injection molding mode.
Further, the holder has at least one contact portion which is in the moving direction of the slider and always kept in contact with the inner side wall of the groove.
Furthermore, the number of the contact parts is two, the two contact parts are respectively defined as a first contact part and a second contact part, and a two-way dustproof preparation groove for accommodating a second-way dustproof device is formed between the first contact part and the second contact part.
Further, the first contact portion has a first elastic recess for enhancing the elasticity of the contact portion.
Further, the second contact portion has a second elastic recess for enhancing the elasticity of the contact portion.
Furthermore, the first contact part forms a first concave groove on the side wall of the inner side wall of the two dustproof preparation grooves, and the second contact part forms a second concave groove on the side wall of the inner side wall of the two dustproof preparation grooves.
Furthermore, the notch of the two dustproof preparation grooves faces the inner side wall of the groove.
Further, the groove has an inclined inner side wall, and the contact area of the retainer with the groove is located on the inclined inner side wall.
Compared with the prior art, the utility model has the following beneficial effects: this device will keep the contact setting of ware and slide rail in the recess of slide rail to make the gap of this contact no longer parallel with the accumulational direction of foreign matter, and then make the difficulty that the foreign matter got into from this gap increase, strengthened dustproof effect, more under the little condition of structural change, make full use of current structure, realize the dustproof effect of maximize.
In order to make the aforementioned and other objects, features and advantages of the utility model comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
Fig. 1 is a schematic view of a usage status of an embodiment of the present invention.
Fig. 2 is a perspective view of a retainer in an embodiment of the present invention.
Fig. 3 is a schematic plan view of the retainer according to the embodiment of the present invention.
In the figure: 1-sliding rail, 11-groove, 12-sliding side wall, 2-sliding base, 3-retainer, 31-second dustproof device, 32-first contact part, 33-first elastic concave part, 34-second contact part, 35-second elastic concave part, 36-second dustproof preparation groove, 37-first clamping groove, 38-second clamping groove, 4-base, 41-boss and 5-foreign body.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.
As shown in fig. 1-3, a concealed dust-proof structure of a slide rail comprises a retainer 3 fixedly connected to a slide carriage 2, the slide carriage 2 is slidably connected to the slide rail 1, the slide rail 1 is fixedly connected to a top surface of a base 4, in this embodiment, the top surface of the base 4 has a boss 41 (of course, the number of the bosses is prepared according to needs, and may be none, one or two), foreign objects 5 are stacked upward on the top surface of the boss 41, and the stacking direction is defined as a first direction (shown by an arrow in fig. 1); one side wall of the sliding rail 1 abuts against the side wall of the boss 41, the side wall of the sliding rail 1 is defined as a sliding side wall 12, of course, the sliding rail 1 has two sliding side walls 12 arranged oppositely, the retainer 3 also has two, and one retainer 3 corresponds to one sliding side wall 12, and the sliding side wall 12 is perpendicular to the top surface of the base 4; a gap is left between the top surface of the boss 41 and the bottom surface of the slider 2. The sliding side wall of the sliding rail 1 is provided with a groove 11 along the length direction of the sliding rail.
In this embodiment, the cross section of the groove 11 is an isosceles trapezoid, two parallel sides of the isosceles trapezoid are parallel to the surface where the sliding side wall is located, and the longer parallel side is located on the sliding side wall.
The retainer 3 is fixedly connected to the slide 2 by means of two-shot molding. The retainer 3 has two first contact portions 32 and second contact portions 34 along the direction of movement of the carriage and always in contact with the inner side walls of the recess, and a two-way dust-proof preparation groove 36 for accommodating the second dust-proof device 31 is formed between the first contact portions 32 and the second contact portions 34.
The first contact portion 32 and the second contact portion 34 are in contact with the inner sidewall of the groove 11, in this embodiment, the contact region is located on the inner sidewall of the inclined plane at the bottom of the groove 11, the contact gap between the contact portion and the inner sidewall of the groove 11 is defined as a first gap, and the line of the first gap intersects with the line of the first direction. The two are not parallel, no matter what motion state the slide carriage is, the difficulty that foreign matters enter the rolling element circulation passage along the first gap is increased, and a better dustproof effect is achieved.
In this embodiment, the two dustproof preparation grooves 36 have their notches facing the inner side walls of the grooves. By arranging the second dust-proof device 31 in the groove, the second dust-proof device 31 can be a rubber strip, and the rubber strip keeps contact with the side wall of the inclined plane at the bottom of the groove, so that multiple dust-proof effects are achieved.
In this embodiment, the first contact portion 32 has a first concave slot 37 on the sidewall of the inner sidewall of the two dustproof preparation slots, and the second contact portion 34 has a second concave slot 38 on the sidewall of the inner sidewall of the two dustproof preparation slots. Through the cooperation of draw-in groove and two dustproof preparation grooves 36 for the second dust keeper can imbed in two dustproof preparation grooves 36, and the second dust keeper can not break away from two dustproof preparation grooves 36 easily.
In the present embodiment, the first contact portion has a first elastic concave portion 33 for enhancing the elasticity of the contact portion. The second contact portion has a second elastic recess 35 for enhancing the elasticity of the contact portion. Through the design of the first elastic concave part 33 and the second elastic concave part 35, the part of the first contact part 32 and the second contact part 34 contacting the sliding rail 1 has a certain elastic space, so that the contact between the first contact part and the side wall of the groove is tighter, the hardness of the contact part is reduced, the first contact part 32 and the second contact part 34 can always keep contact with the side wall of the groove in the sliding base moving process along the sliding rail, and a better dustproof effect is achieved.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (9)
1. A slide rail built-in dustproof structure comprises a retainer fixedly connected to a slide seat, wherein the slide seat is connected to a slide rail in a sliding manner, the retainer is kept in a contact state with the peripheral side wall of the slide rail in the process that the slide seat moves along the slide rail, and the peripheral side wall of the slide rail is defined as a sliding side wall; the sliding rail is fixedly connected to the top surface of a base, a gap is reserved between the top surface of the base and the bottom surface of the sliding seat, foreign matters are accumulated on the top surface of the base opposite to the bottom surface of the sliding seat, and the direction in which the foreign matters are accumulated on the top surface of the base is defined as a first direction; the method is characterized in that: the sliding side wall of the sliding rail is provided with a groove along the length direction of the sliding rail, the contact area of the retainer and the sliding side wall of the sliding rail is positioned in the groove, the retainer is in contact with the inner side wall of the groove, a gap between the retainer and the inner side wall of the groove is defined as a first gap, and the line where the first gap is positioned is intersected with the line where the first direction is positioned.
2. The concealed dust-proof structure of slide rail according to claim 1, characterized in that: the retainer is fixedly connected to the sliding seat in a secondary injection molding mode.
3. The concealed dust-proof structure of slide rail according to claim 2, characterized in that: the holder has at least one contact portion that is in contact with an inner side wall of the groove at all times in a moving direction of the slider.
4. The concealed dust-proof structure of slide rail according to claim 3, characterized in that: the number of the contact parts is two, the contact parts are respectively defined as a first contact part and a second contact part, and a two-way dustproof preparation groove for accommodating a second dustproof device is formed between the first contact part and the second contact part.
5. The concealed dust-proof structure of slide rail according to claim 4, characterized in that: the first contact portion has a first elastic recess for enhancing the elasticity of the contact portion.
6. The concealed dust-proof structure of slide rail according to claim 4, characterized in that: the second contact portion has a second elastic recess for enhancing the elasticity of the contact portion.
7. The concealed dust-proof structure of slide rail according to claim 4, characterized in that: the first contact part forms a first concave groove on the side wall of the inner side wall of the two dustproof preparation grooves, and the second contact part forms a second concave groove on the side wall of the inner side wall of the two dustproof preparation grooves.
8. The concealed dust-proof structure of slide rail according to claim 4, characterized in that: the notch of two dustproof preliminary installations groove is towards the recess inside wall.
9. The concealed dust-proof structure of slide rail according to claim 1, characterized in that: the groove has an inclined inner side wall on which the contact area of the retainer with the groove is located.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121983732.9U CN215487227U (en) | 2021-08-23 | 2021-08-23 | Built-in dust-proof structure of sliding rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121983732.9U CN215487227U (en) | 2021-08-23 | 2021-08-23 | Built-in dust-proof structure of sliding rail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215487227U true CN215487227U (en) | 2022-01-11 |
Family
ID=79764185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121983732.9U Active CN215487227U (en) | 2021-08-23 | 2021-08-23 | Built-in dust-proof structure of sliding rail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215487227U (en) |
-
2021
- 2021-08-23 CN CN202121983732.9U patent/CN215487227U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230530 Address after: 342500 Jinlong Second Road Innovation and Entrepreneurship Incubation Base in Ruijin Economic and Technological Development Zone, Ganzhou City, Jiangxi Province (within the courtyard of Ruijin Industrial Investment and Development Co., Ltd.) Patentee after: Zhilong Linear (Ruijin) Technology Co.,Ltd. Address before: Room 208-1, 100 Xiangxing Road, industrial zone, torch hi tech Zone (Xiang'an), Xiang'an District, Xiamen City, Fujian Province, 361000 Patentee before: Zhilong transmission (Xiamen) Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Hidden dust-proof structure inside the slide rail Effective date of registration: 20231129 Granted publication date: 20220111 Pledgee: Jiangxi Ruijin Rural Commercial Bank Co.,Ltd. Pledgor: Zhilong Linear (Ruijin) Technology Co.,Ltd. Registration number: Y2023980068658 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |