CN111577761A - Aluminum profile guide rail and guide rail moving mechanism comprising same - Google Patents
Aluminum profile guide rail and guide rail moving mechanism comprising same Download PDFInfo
- Publication number
- CN111577761A CN111577761A CN201910124393.XA CN201910124393A CN111577761A CN 111577761 A CN111577761 A CN 111577761A CN 201910124393 A CN201910124393 A CN 201910124393A CN 111577761 A CN111577761 A CN 111577761A
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- Prior art keywords
- support
- guide rail
- attachment
- aluminum profile
- mounting groove
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 49
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 49
- 230000004308 accommodation Effects 0.000 claims description 3
- 229910000838 Al alloy Inorganic materials 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C29/00—Bearings for parts moving only linearly
- F16C29/04—Ball or roller bearings
- F16C29/043—Ball or roller bearings with two massive rectangular rails having facing grooves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bearings For Parts Moving Linearly (AREA)
Abstract
The invention discloses an aluminum profile guide rail and a guide rail moving mechanism comprising the same, wherein the aluminum profile guide rail comprises a support bottom, a first support part, a second support part, a third support part and a fourth support part, the first supporting part and the second supporting part are formed by upward extension of the supporting bottom, the third supporting part is connected on the first supporting part and is formed by extending the first supporting part to the direction of the second supporting part, the fourth supporting part is connected to the second supporting part and is formed by extending the second supporting part to the direction of the first supporting part, wherein a first groove is formed among the support bottom, the first support part and the third support part, a second groove is formed among the support bottom, the second support part and the fourth support part, and a support accommodating area is formed between the third support part and the fourth support part.
Description
Technical Field
The invention relates to an aluminum profile structure, in particular to an aluminum profile guide rail and a guide rail moving mechanism comprising the same.
Background
Most of existing guide rail profiles are I-shaped profile guide rails, guide wheels are generally in direct sliding contact with the guide rails, or the guide wheels are in rolling contact with the guide rails through rolling bearings, but the guide wheels are arranged on the guide rails in a clamping manner, so that the occupied space is large, and accessories are inconvenient to install.
Disclosure of Invention
The invention aims to provide an aluminum profile guide rail and a guide rail moving mechanism comprising the same.
In order to achieve the above purpose, the aluminum profile guide rail of the invention comprises a support bottom, a first support part, a second support part, a third support part and a fourth support part, wherein the first support part and the second support part are formed by upward extension of the support bottom, the third support part is connected to the first support part and is formed by extending the first support part to the direction of the second support part, the fourth support part is connected to the second support part and is formed by extending the second support part to the direction of the first support part, a first groove is formed among the support bottom, the first support part and the third support part, a second groove is formed among the support bottom, the second support part and the fourth support part, and a support accommodating area is formed among the third support part and the fourth support part.
In an embodiment of the above aluminum profile guide rail, the first groove is opposite to the opening of the second groove.
In an embodiment of the above aluminum profile guide rail, the first groove, the second groove and the support accommodating area are communicated.
In an embodiment of the above aluminum profile guide rail, the third supporting portion is formed with a first accessory mounting groove with an upward opening, or/and the fourth supporting portion is formed with a second accessory mounting groove with an upward opening.
In an embodiment of the above aluminum profile guide rail, a third accessory mounting groove is formed on a side surface of the first supporting portion, which is away from the second supporting portion.
In an embodiment of the above aluminum profile guide rail, the number of the third accessory mounting grooves is at least two.
In an embodiment of the above aluminum profile guide rail, a cavity is formed between adjacent third accessory mounting grooves.
In an embodiment of the above aluminum profile guide rail, a fourth accessory mounting groove is formed on a side surface of the second supporting portion, which is away from the first supporting portion.
In an embodiment of the above aluminum profile guide rail, the number of the fourth accessory mounting grooves is at least two.
In an embodiment of the above aluminum profile guide rail, a cavity is formed between adjacent fourth accessory mounting grooves.
The guide rail moving mechanism comprises the aluminum profile guide rail and a moving unit, wherein the moving unit comprises a moving machine body, a first supporting wheel, a second supporting wheel and a horizontal guide wheel, the first supporting wheel, the second supporting wheel and the horizontal guide wheel are respectively connected to the moving machine body, the first supporting wheel and the second supporting wheel are respectively accommodated in the first groove and the second groove, and the horizontal guide wheel is accommodated in the supporting and accommodating area.
In an embodiment of the above-mentioned rail moving mechanism, the third supporting portion further includes a second attachment, the second supporting portion is formed with a second attachment mounting groove that opens upward, and the second attachment is connected to the second attachment mounting groove.
In an embodiment of the above-mentioned rail moving mechanism, the rail moving mechanism further includes a second accessory, the fourth supporting portion is formed with a second accessory mounting groove which opens upward, and the second accessory is connected to the second accessory mounting groove.
In an embodiment of the above-mentioned rail moving mechanism, the guide rail moving mechanism further includes a third accessory, a third accessory mounting groove is formed on a side surface of the first supporting portion, the side surface being away from the second supporting portion, and the third accessory is mounted in the third accessory mounting groove.
In one embodiment of the above-described rail moving mechanism, the number of the third attachment and the number of the third attachment mounting grooves are plural.
In an embodiment of the above-mentioned guide rail moving mechanism, the guide rail moving mechanism further includes a fourth accessory, a fourth accessory mounting groove is formed on a side surface of the second supporting portion, the side surface being away from the first supporting portion, and the fourth accessory is mounted in the fourth accessory mounting groove.
In one embodiment of the above-described rail moving mechanism, the number of the fourth accessory and the number of the fourth accessory mounting grooves are plural.
The aluminum profile guide rail and the guide rail moving mechanism structure comprising the aluminum profile guide rail have the advantages that the moving unit is contained in a space formed by the first groove, the second groove and the supporting and accommodating area in the aluminum profile guide rail, and the structure is compact.
In addition, a plurality of accessory mounting grooves for mounting accessories can be arranged outside the aluminum profile guide rail, so that the space utilization rate is increased, and the integrated design is facilitated.
The invention is described in detail below with reference to the drawings and specific examples, but the invention is not limited thereto.
Drawings
Fig. 1 is a perspective view of an embodiment of the aluminum profile guide rail of the present invention;
fig. 2 is a cross-sectional structural view of an embodiment of the aluminum profile guide rail of the present invention;
fig. 3 is a perspective view of the guide rail moving mechanism according to an embodiment of the present invention.
Wherein the reference numerals
10: guide rail moving mechanism
100: aluminum profile guide rail
110: support bottom
111: inner support surface
112: connecting end
120: a first supporting part
121: inner side surface
130: second supporting part
131: inner side surface
140: third supporting part
141: bottom side surface
142: vertical side surface
150: the fourth supporting part
151: bottom side surface
152: vertical side surface
161: the first groove
162: second groove
163: support accommodating area
171: first attachment mounting groove
172: second attachment mounting groove
173. 173a, 173 b: third attachment mounting groove
174. 174a, 174 b: fourth attachment mounting groove
175. 176: hollow part
200: mobile unit
210: mobile machine body
220: first supporting wheel
230: second supporting wheel
240: horizontal guide wheel
250: first attachment
260: second attachment
280: fourth attachment
Detailed Description
The following detailed description of the embodiments of the present invention with reference to the drawings and specific examples is provided for further understanding the objects, aspects and effects of the present invention, but not for limiting the scope of the appended claims.
References in the specification to "an embodiment," "another embodiment," "the present embodiment," etc., indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Moreover, such phrases are not intended to refer to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.
Where certain terms are used in the specification and following claims to refer to particular components or features, those skilled in the art will understand that various terms or numbers may be used by a skilled user or manufacturer to refer to the same component or feature. This specification and the claims that follow do not intend to distinguish between components or features that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. In addition, the term "coupled" is intended to include any direct or indirect coupling.
It should be noted that in the description of the present invention, the orientation or positional relationship indicated by the terms "lateral", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. appears on the basis of the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplicity of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. For the sake of clarity, the terms "first," "second," "third," "fourth," and the like, as used herein, are used to distinguish one element, region, or section from another, the same or similar element, region, or section, and are not intended to limit the particular element, region, or section.
The invention discloses an aluminum profile guide rail with a special cross section structure design, which has the characteristic that a roller of a moving mechanism is accommodated in the guide rail, wherein the roller can comprise a bearing wheel and a guide wheel. The aluminum profile guide rail provided by the invention contains the mobile unit in the guide rail, and various accessories of equipment, such as a bracket, a motor and the like, can be arranged outside the guide rail.
In detail, as shown in fig. 1 and 2, fig. 1 and 2 are a perspective structural view and a cross-sectional structural view of an embodiment of the aluminum profile guide rail of the present invention, respectively. The aluminum profile rail 100 of the present invention includes a support base 110, a first support 120, a second support 130, a third support 140, and a fourth support 150. The support base 110 extends in a plate shape, is used for forming a base support of the integral guide rail, and is fixedly mounted on a support base. The first and second support parts 120 and 130 are coupled to the support base 110 and are formed by extending upward from the support base 110. The first supporting portion 120 and the second supporting portion 130 are preferably symmetrical structures, and a certain distance is formed between the first supporting portion 120 and the second supporting portion 130. The third supporting portion 140 is connected to the first supporting portion 120, and the third supporting portion 140 is formed by extending the first supporting portion 120 in a direction of the second supporting portion 130. The fourth supporting portion 150 is connected to the second supporting portion 130, and the fourth supporting portion 150 is formed by extending the second supporting portion 130 in a direction of the first supporting portion 120. As can be seen, the third supporting portion 140 and the fourth supporting portion 150 respectively extend from the inner sides of the first supporting portion 120 and the second supporting portion 130 to the opposite direction.
A first groove 161 is formed between the support bottom 110, the first support 120 and the third support 140, a second groove 162 is formed between the support bottom 110, the second support 130 and the fourth support 150, and a support accommodating region 163 is formed between the third support 140 and the fourth support 150.
Referring to fig. 1 and 2, in the cross section of the aluminum profile guide rail 100 of the present invention, the support base 110 extends horizontally, or in other words, the support base 110 extends along the X-axis direction. The first supporting portion 120 and the second supporting portion 130 extend vertically, or in other words, the first supporting portion 120 and the second supporting portion 130 extend along the Y direction. The third supporting portion 140 and the fourth supporting portion 150 extend horizontally, that is, the third supporting portion 140 and the fourth supporting portion 150 extend along the positive or negative direction of the X-axis. The first and second support parts 120 and 130 are substantially perpendicular to the support base 110, respectively, and the third and fourth support parts 140 and 150 are substantially perpendicular to the first and second support parts 120 and 130, respectively, or substantially horizontal to the support base 100.
In more detail, the support base 110 has an inner supporting surface 111, the first support 120 has an inner side surface 121, the third support 140 has a bottom side surface 141, and the inner supporting surface 111 of the support base 110, the inner side surface 121 of the first support 120, and the bottom side surface 141 of the third support 140 together form a first groove 161. Similarly, the second support part 130 has an inner side surface 131 opposite to the inner side surface 121 of the first support part 120, the fourth support part 150 has a bottom side surface 151, and the inner support surface 111 of the support bottom 110, the inner side surface 131 of the second support part 130, and the bottom side surface 151 of the fourth support part 150 together form a second groove 162.
The third support portion 140 further includes an upright side 142, the fourth support portion 150 further includes an upright side 152, the upright sides 142 and 152 are parallel to each other and substantially perpendicular to the inner support surface 111 of the support base 110, and a support receiving area 163 is formed between the upright side 142 of the third support portion 140 and the upright side 152 of the fourth support portion 150.
Wherein the first groove 161 is opposite to the opening of the second groove 162. The first groove 161, the second groove 162 and the support receiving region 163 are communicated with each other, that is, the first groove 161, the second groove 162 and the support receiving region 163 together form a receiving space contained in the guide rail.
As shown in fig. 1 and 2, the two ends of the support base 110 further have connection ends 112 protruding relative to the first support part 120 and the second support part 130 for forming a fixed connection with the support base.
Referring to fig. 3, fig. 3 is a perspective structural view of an embodiment of the guide rail moving mechanism of the present invention, that is, an application example of an embodiment of the aluminum profile guide rail of the present invention. The guide rail moving mechanism 10 of the present invention includes the aluminum profile guide rail 100 and the moving unit 200. The moving unit 200 is accommodated in the accommodating space contained in the aluminum profile guide rail 100.
In detail, the moving unit 200 includes a moving body 210, a first supporting wheel 220, a second supporting wheel 230, and a horizontal guide wheel 240. The first supporting wheel 220, the second supporting wheel 230 and the horizontal guide wheel 240 are respectively connected to the moving body 210, the first supporting wheel 220 and the second supporting wheel 230 are respectively accommodated in the first groove 161 and the second groove 162 of the aluminum profile guide rail 100, and the horizontal guide wheel 240 is accommodated in the supporting accommodation area 163 of the aluminum profile guide rail 100.
The aluminum profile guide rail 100 of the invention accommodates the moving unit 200 therein, when the moving unit 200 moves, the first supporting wheel 220 and the second supporting wheel 230 move in the first groove 161 and the second groove 162 respectively, and the horizontal guide wheel 240 horizontally guides along the horizontally extending supporting accommodation area 163, thereby completely reversing the traditional structure of the existing roller wrapping and clamping guide rail.
In addition, a plurality of accessory mounting grooves for mounting accessories can be arranged outside the aluminum profile guide rail 100, so that the space utilization rate is increased, and the integrated design is facilitated.
As shown in fig. 1 to 3, the rail moving mechanism 10 of the present invention may be provided with an accessory mounting groove on one of the third supporting portion 140 or the fourth supporting portion 150, or both the third supporting portion 140 and the fourth supporting portion 150, so as to facilitate mounting of various accessories such as a bracket, an indicator light, a detector, and the like.
In this embodiment, the third support part 140 of the aluminum profile rail 100 is formed with a first accessory mounting groove 171 opening upward, and the fourth support part 150 is formed with a second accessory mounting groove 172 opening upward. The rail moving mechanism 10 further includes a first accessory 250 mounted to the first accessory mounting groove 171, and a second accessory 260 mounted to the second accessory mounting groove 172, the first accessory 250. In one embodiment, the first and second attachments 250, 260 may be support brackets for fixedly supporting the device housing cover, travel switches, position detection switches, and the like.
In the guide rail moving mechanism 10 of the present invention, an accessory mounting groove may be formed on an outer side surface of one of the first supporting portion 120 and the second supporting portion 130, and it is needless to say that an accessory mounting groove may be formed on both outer side surfaces of the first supporting portion 120 and the second supporting portion 130, which is advantageous for mounting various accessories such as a bracket, an indicator light, a detector, and the like.
With reference to fig. 1 to 3, in the present embodiment, a third accessory mounting groove 173 is formed on a side surface of the first supporting portion 120 of the aluminum profile guide rail 100, which is away from the second supporting portion 130, or a third accessory mounting groove 173 is formed on an outer side surface of the first supporting portion 120, which is opposite to the inner side surface 121. In order to fully utilize the outer side surface of the first support part 120, the number of the third accessory mounting grooves 173 may be two, and as shown in the drawings, the third accessory mounting grooves 173a and 173b are disposed up and down along the outer side surface of the first support part 120, wherein the third accessory mounting grooves 173a and 173b are separated by a cavity 175 therebetween, thereby reducing not only material but also overall weight.
Similarly, the side of the second support part 130 facing away from the first support part 120 is formed with four attachment mounting grooves 174, and the number of the fourth attachment mounting grooves 174 may be two, as shown, the fourth attachment mounting grooves 174a and 174b are disposed up and down along the outer side of the second support part 130. In addition, the fourth attachment mounting grooves 174a and 174b may be partitioned by a cavity portion 176 therebetween.
Correspondingly, the rail moving mechanism 20 further includes a third accessory mounted to the third accessory mounting groove 173 and a fourth accessory 280 mounted to the fourth accessory mounting groove 174. In one embodiment, the third accessory (not shown) can be a travel switch, a position detection switch, etc. The fourth attachment 280 is a cylinder assembly, the cylinder being the device drive means for powering the moving parts of the device.
The first accessory mounting groove 171, the second accessory mounting groove 172, the third accessory mounting groove 173 and the fourth accessory mounting groove 174 can be set in size and shape according to the requirements of corresponding accessories, in some embodiments, the first accessory mounting groove 171, the second accessory mounting groove 172, the third accessory mounting groove 173 and the fourth accessory mounting groove 174 can be set to be uniform standard mounting grooves, and each accessory and a mounting fixture corresponding to the standard mounting grooves can be used together, so that the universality is good, and the use is more convenient.
The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (17)
1. The utility model provides an aluminium alloy guide rail which characterized in that includes:
a support base;
a first support part and a second support part formed by extending the support bottom upwards; and
the third supporting part is connected to the first supporting part and formed by extending the first supporting part to the direction of the second supporting part, and the fourth supporting part is connected to the second supporting part and formed by extending the second supporting part to the direction of the first supporting part;
the support device comprises a support bottom, a first support part, a third support part, a second support part and a support accommodating area, wherein a first groove is formed among the support bottom, the first support part and the third support part, a second groove is formed among the support bottom, the second support part and the fourth support part, and the support accommodating area is formed among the third support part and the fourth support part.
2. The aluminum profile guide rail according to claim 1, wherein the first groove is opposite to an opening of the second groove.
3. The aluminum profile guide rail according to claim 1, wherein the first groove, the second groove and the support accommodation area are communicated.
4. The aluminum profile guide rail according to claim 1, wherein the third support part is formed with a first accessory mounting groove that opens upward, or/and the fourth support part is formed with a second accessory mounting groove that opens upward.
5. The aluminum profile guide rail according to claim 1, wherein a side of the first support portion facing away from the second support portion is formed with a third accessory mounting groove.
6. The aluminum profile guide rail according to claim 5, wherein the number of the third accessory mounting grooves is at least two.
7. The aluminum profile guide rail according to claim 6, wherein a cavity portion is formed between adjacent third accessory mounting grooves.
8. The aluminum profile guide rail according to claim 1, wherein a side of the second support portion facing away from the first support portion is formed with a fourth accessory mounting groove.
9. The aluminum profile guide rail according to claim 8, wherein the number of the fourth accessory mounting grooves is at least two.
10. The aluminum profile guide rail according to claim 9, wherein a cavity portion is provided between adjacent fourth accessory mounting grooves.
11. A guide rail moving mechanism, comprising:
the aluminum profile rail of claim 1;
a mobile unit, comprising:
moving the machine body;
the first supporting wheel and the second supporting wheel are respectively connected to the moving machine body and are respectively accommodated in the first groove and the second groove; and
and the horizontal guide wheel is connected to the movable machine body and is accommodated in the support accommodating area.
12. The rail moving mechanism according to claim 11, further comprising a first attachment, the third support portion being formed with a first attachment mounting groove opened upward, the first attachment being connected to the first attachment mounting groove.
13. The rail moving mechanism according to claim 11, further comprising a second attachment, the fourth support portion being formed with a second attachment mounting groove opened upward, the second attachment being connected to the second attachment mounting groove.
14. The rail moving mechanism according to any one of claims 11 to 13, further comprising a third attachment, wherein a side of the first support portion facing away from the second support portion is formed with a third attachment mounting groove, and the third attachment is mounted to the third attachment mounting groove.
15. The rail moving mechanism according to claim 14, wherein the third attachment and the third attachment mounting groove are plural in number, respectively.
16. The rail moving mechanism according to any one of claims 11 to 13, further comprising a fourth attachment, wherein a side of the second support portion facing away from the first support portion is formed with a fourth attachment mounting groove, and the fourth attachment is mounted to the fourth attachment mounting groove.
17. The rail moving mechanism according to claim 16, wherein the fourth attachment and the fourth attachment mounting groove are plural in number, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910124393.XA CN111577761A (en) | 2019-02-19 | 2019-02-19 | Aluminum profile guide rail and guide rail moving mechanism comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910124393.XA CN111577761A (en) | 2019-02-19 | 2019-02-19 | Aluminum profile guide rail and guide rail moving mechanism comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111577761A true CN111577761A (en) | 2020-08-25 |
Family
ID=72112928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910124393.XA Pending CN111577761A (en) | 2019-02-19 | 2019-02-19 | Aluminum profile guide rail and guide rail moving mechanism comprising same |
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| Country | Link |
|---|---|
| CN (1) | CN111577761A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050045287A1 (en) * | 2003-08-28 | 2005-03-03 | Bos Gmbh & Co. Kg | Injection-molded plastic guide rail |
| US20180163400A1 (en) * | 2015-04-20 | 2018-06-14 | Wuxi Asanas Sanitary Ware & Equipment Co., Ltd. | Fast-assembling fixed door installation structure for shower room |
| CN108825654A (en) * | 2018-08-07 | 2018-11-16 | 盐城市海通机械制造厂 | A kind of wear-resisting section aluminum guide rail |
| CN209875735U (en) * | 2019-02-19 | 2019-12-31 | 北自所（北京）科技发展有限公司 | Aluminum profile guide rail and guide rail moving mechanism comprising same |
-
2019
- 2019-02-19 CN CN201910124393.XA patent/CN111577761A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050045287A1 (en) * | 2003-08-28 | 2005-03-03 | Bos Gmbh & Co. Kg | Injection-molded plastic guide rail |
| US20180163400A1 (en) * | 2015-04-20 | 2018-06-14 | Wuxi Asanas Sanitary Ware & Equipment Co., Ltd. | Fast-assembling fixed door installation structure for shower room |
| CN108825654A (en) * | 2018-08-07 | 2018-11-16 | 盐城市海通机械制造厂 | A kind of wear-resisting section aluminum guide rail |
| CN209875735U (en) * | 2019-02-19 | 2019-12-31 | 北自所（北京）科技发展有限公司 | Aluminum profile guide rail and guide rail moving mechanism comprising same |
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