CN114698317A - Sliding rail with guide pin for electronic equipment case - Google Patents
Sliding rail with guide pin for electronic equipment case Download PDFInfo
- Publication number
- CN114698317A CN114698317A CN202210344744.XA CN202210344744A CN114698317A CN 114698317 A CN114698317 A CN 114698317A CN 202210344744 A CN202210344744 A CN 202210344744A CN 114698317 A CN114698317 A CN 114698317A
- Authority
- CN
- China
- Prior art keywords
- slide rail
- guide pin
- electronic equipment
- thimble
- middle slide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 235000014676 Phragmites communis Nutrition 0.000 claims description 29
- 230000003014 reinforcing effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/18—Construction of rack or frame
- H05K7/183—Construction of rack or frame support rails therefor
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
- H05K7/1422—Printed circuit boards receptacles, e.g. stacked structures, electronic circuit modules or box like frames
- H05K7/1424—Card cages
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The invention discloses a slide rail with a guide pin for an electronic equipment case, which at least comprises an inner slide rail and a guide pin sleeve matched with the inner slide rail in the sliding direction, wherein the end part of the inner slide rail is provided with the guide pin extending along the sliding direction of the inner slide rail, the guide pin is inserted into the guide pin sleeve in a socket joint mode when the inner slide rail is folded to an extreme position along the sliding direction, and the guide pin sleeve limits the guide pin to move in a serial mode along the radial direction. The invention can make the electronic equipment chassis tightly attached to each other, and does not occupy extra height space of the rack; meanwhile, the invention has a reinforcing effect on the case, so that the deformation of the case during vibration is reduced.
Description
Technical Field
The invention relates to the field of electronic equipment structures, in particular to a slide rail structure for mounting an electronic equipment case and a rack.
Background
Along with the miniaturization of electronic equipment, the installation condition of the electronic equipment case is more and more rigorous, and the problem is well solved by the specialized modular machine room at present. The modularized computer room is formed by splicing a plurality of cabinets according to installation specifications, the electronic equipment cases are uniformly stacked and installed in the rack through sliding rails, and the front panel of each electronic equipment case is fixed with the stand column of the rack through bolts. However, in the actual working process, it is often found that bolts for fastening the front panel and the upright are loosened and even fall off.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a slide rail with a guide pin for an electronic equipment case, and the specific technical scheme is as follows:
a slide rail with a guide pin for an electronic equipment case at least comprises an inner slide rail and a guide pin sleeve matched with the inner slide rail in the sliding direction, wherein the end part of the inner slide rail is provided with the guide pin extending along the sliding direction of the inner slide rail, the guide pin is inserted in the guide pin sleeve in a socket joint mode when the inner slide rail is folded to an extreme position along the sliding direction, and the guide pin sleeve limits the guide pin to move in a serial mode along the radial direction.
Preferably, the slide rail further comprises a middle slide rail and an outer slide rail, the middle slide rail and the outer slide rail are both provided with sliding chutes so as to enable the cross sections to be in a C shape, the inner slide rail moves along the sliding chute of the middle slide rail, and the middle slide rail moves along the sliding chute of the outer slide rail.
Preferably, according to the technical scheme of the invention, a reed groove is formed in the surface of the inner slide rail, which is attached to the middle slide rail, a limiting reed is fixed in the reed groove, a cylindrical boss is arranged in the middle of the limiting reed, a corresponding limiting hole is formed in the middle slide rail, and the other end of the limiting reed is a warping part.
Preferably, the cross section of the middle slide rail is in a C shape, rollers are mounted on two opposite side surfaces of the middle slide rail, the outer diameters of the rollers protrude out of the narrow edge of the middle slide rail, a first groove for accommodating the protruding portion of the roller is formed in the side surface, close to the middle slide rail, of the inner slide rail, and a second groove for accommodating the protruding portion of the roller is formed in the side surface, close to the middle slide rail, of the outer slide rail.
Preferably, the middle slide rail is provided with a avoidance hole.
As the optimization of the technical scheme of the invention, the inner slide rail is provided with a plurality of mounting holes along the length direction.
Preferably, the end of the middle slide rail is provided with a thimble hole, the thimble hole is a countersunk blind hole, a thimble and a spring are embedded in the thimble hole, the spring presses the thimble to the bottom of the chute of the outer slide rail, and a thimble groove for the thimble to slide in is arranged on the joint surface of the outer slide rail and the middle slide rail.
The panel of the electronic equipment case is provided with a release screw, when the case is completely pushed into the rack, the inner, the middle and the outer three sliding rails are completely overlapped, the guide pin is inserted into the guide pin sleeve, the release screw is screwed into the corresponding threaded hole on the rack and screwed, and the electronic equipment case is fixed on the rack together with the release screw and the invention. When the case needs maintenance, the captive screw is unscrewed reversely to enable the screw to be completely separated from the nut, then the captive screw is pulled outwards, the guide pin is separated from the guide pin sleeve, and the case moves forwards along with the machine case. To completely take down the chassis, the inner slide rail is required to be taken down together with the chassis when the inner slide rail moves to the maximum stroke, and at the moment, the limiting spring leaf is required to be pressed inwards.
The invention has the beneficial effects that: the invention can make the electronic equipment chassis tightly attached to each other, and does not occupy extra height space of the rack; meanwhile, the invention has a reinforcing effect on the case, so that the deformation of the case during vibration is reduced.
Drawings
FIG. 1 is a diagram of a conventional mounting structure for a chassis and a rack of an electronic device;
FIG. 2 is a schematic view illustrating a closed state of the slide rails;
FIG. 3 is a schematic view showing the slide rail in an opened state;
FIG. 4 is a schematic structural view of the inner slide rail;
FIG. 5 is a schematic structural view of a spacing reed;
FIG. 6 is a schematic structural view of a middle slide rail;
FIG. 7 is an enlarged view of a portion of FIG. 6 at A;
FIG. 8 is a schematic structural view of the thimble and the spring;
FIG. 9 is a schematic view of the outer slide rail;
fig. 10 is a schematic structural view of the outer rail mounting bracket.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the embodiments.
Examples
As shown in fig. 1, in order to mount a conventional electronic equipment enclosure 101 and a rack 102, a front panel of the enclosure 101 is fixedly mounted on the rack 102 by bolts 103 after the enclosure 101 is mounted. The inventor finds that the ball structure has design clearance and assembly clearance, and the limitation defects of the vertical direction and the horizontal direction correspondingly exist, and the electronic equipment case 101 is internally provided with auxiliary components such as a hot fan and the like besides working electric devices such as capacitors and the like, once the hot fan works under full load, certain vibration can be formed, so that the whole electronic equipment case 101 is driven to vibrate, and in addition, the external vibration environment ensures that the amplitude of the part far away from the front panel is larger, so that the torque generated by the front upright of the rack 102 is larger, the screw thread is easy to loosen, and the equipment fails.
On the basis of improving the rolling structure of the sliding rail, the guide pin structure is innovatively added to reduce or even eliminate the amplitude of the far end (namely, the end far away from the front panel) of the electronic equipment case 101, and when the electronic equipment is in a vibration environment, the vibration-damping structure has a good vibration-damping effect and good application prospect and market value.
Fig. 2 and 3 are schematic views of the overall structure of the slide rail according to the present invention, wherein fig. 2 is a schematic view of a closed state of the slide rail, and fig. 3 is a schematic view of an opened state of the slide rail. The sliding rail comprises an inner sliding rail 1, a middle sliding rail 2 and an outer sliding rail 3 from inside to outside in sequence, wherein the inner sliding rail 1 can move along the middle sliding rail 2, and meanwhile, the middle sliding rail 2 moves along the outer sliding rail 3; the inner sliding rail 1 is provided with a guide pin 105 extending along the sliding direction, the frame 102 is provided with a guide pin sleeve 803 matched with the guide pin 105, when the inner sliding rail 1 slides to the extreme position state in the folding process, the guide pin 105 is inserted into the guide pin sleeve 803, and the guide pin sleeve 803 limits the guide pin 105 along the radial direction to prevent the vibration of different rail sections of the sliding rail caused by the design gap and the assembly gap.
As another embodiment of the present invention, the sliding rail may be configured as two-section rail, four-section rail, five-section rail, etc., the corresponding guide pins 105 are all disposed on the inner rail and are matched with the guide pin sleeve 803, the guide pins 105 and the inner rail are fixed, and the guide pin sleeve 803 and the frame 102 are also fixed.
As a more specific description of the above technical solution, the guide pin sleeve 803 is disposed on the outer rail mounting rack 8, the outer rail mounting rack 8 is used for fixedly mounting the outer rail 3, and the outer rail mounting rack 8 is integrally and fixedly mounted between two upright posts of the two frames 102. The guide pin sleeve 803 may be directly formed on the outer rail mounting bracket 8, or may be fixedly assembled.
Fig. 4 is a schematic structural diagram of the inner slide rail 1, wherein (a) and (b) are respectively inside and outside views. The inner slide rail 1 is provided with a plurality of mounting holes 110 along the length direction, and the mounting holes 110 are positioned on the wide side of the inner slide rail 1 and used for connecting the inner slide rail 1 with the electronic equipment case 101; two narrow sides of the inner slide rail 1 are provided with first grooves 120 which are symmetrically distributed, one end of each groove is closed, and the first grooves are used for being matched with rollers on the middle slide rail 2 and restraining the inner slide rail 1 from moving outwards only along the long axis direction of the middle slide rail 2; the guide pin 105 is arranged at the extending end of the inner slide rail 1 matched with the middle slide rail 2, and the guide pin 105 can be directly integrated with the inner slide rail 1 or fixed after being formed; the wide edge of one side that interior slide rail 1 is close to uide pin 105 has a reed groove 130, and the design has rivet hole 104 in the reed groove 130, fixes spacing reed 4 in reed groove 130 through rivet 5, and spacing reed 4 sets up on the binding face of interior slide rail 1 and well slide rail 2 for slide rail 1 is deviate from well slide rail 2 in the restriction, and the maximum distance that slide rail 2 roll-off can be followed to slide rail 1 in the restriction simultaneously.
As shown in fig. 5, a schematic structural diagram of the limit reed 4, the limit reed 4 is a reed with high elasticity, a riveting hole 401 is designed at one end of the limit reed 4, the riveting hole 401 is matched with a rivet 5 to fix the limit reed 4 in the reed groove 130 of the inner slide rail 1, a cylindrical boss 402 is arranged in the middle of the limit reed 4, when the inner slide rail 1 is pulled outwards to move to the end of the middle slide rail 2, the cylindrical boss 402 can slide into the corresponding limit hole 203 on the middle slide rail 2, and the inner slide rail 1 is prevented from continuing to move forwards and separating from the middle slide rail 2, so that the electronic device case accidentally falls. The other end of the limit reed 4 is a warping part 403, the warping part 403 is arranged opposite to the riveting hole 401, and the warping part 403 is formed by bending the main body of the limit reed 4, so that the warping part 403 and the limit reed 4 are not coplanar. When the electronic equipment cabinet 101 needs to be removed from the rack 102, the inner slide rail 1 and the middle slide rail 2 must be separated, at this time, the warping part 403 at the end of the limiting reed 4 is pressed, the cylindrical boss 402 will move out of the limiting hole 203, the limiting function is lost, and at this time, the inner slide rail 1 can be completely drawn out from the middle slide rail 2.
Fig. 6 is a schematic structural diagram of the middle slide rail 2, wherein (a) and (b) are respectively inside and outside views. The middle slide rail 2 is a rod part with a C-shaped section, two narrow sides of the middle slide rail 2 are provided with rollers 201 capable of freely rolling, the rollers 201 can roll along roller shafts 202, the outer diameter of each roller 201 exceeds the thickness of the narrow side, the inner side part of each roller 201 is matched with the first groove 120, the outer side part of each roller is matched with the second groove 301 of the outer slide rail, and the smoothness of slide rail drawing is improved by rolling friction; one end of the middle slide rail 2 is provided with a limiting hole 203, and the limiting hole 203 is matched with a cylindrical boss 402 on a limiting reed 4 for use, so that the inner slide rail 1 is prevented from being separated when sliding to the tail end of the middle slide rail 2 when being pulled out. The middle slide rail 2 is further provided with an avoiding hole 204 for providing a screwdriver operation space when the outer slide rail 3 is mounted on the outer slide rail mounting rack 8.
As shown in fig. 7, which is a partial enlarged view of a portion a in fig. 6, the end of the middle slide rail 2 has an ejector pin hole 205, and the ejector pin hole 205 is a blind countersunk hole for mounting the ejector pin 6 and the spring 7. The thimble hole 205 is arranged on the binding surface of the middle slide rail 2 and the outer slide rail 3, the thimble 6 is arranged on the middle slide rail 2, the middle slide rail 2 is limited to be separated from the outer slide rail 3 through the elasticity provided by the spring 7, and meanwhile, the maximum distance that the middle slide rail 2 can move along the outer slide rail 3 is limited.
As shown in fig. 8, which is a schematic structural diagram of the thimble 6 and the spring 7, the thimble 6 is a shaft part with a T-shaped cross section, and is installed in the thimble hole 205 at the end of the middle slide rail 2, the thimble 6 has a big thimble end 601 and a small thimble end 602, the big thimble end 601 presses on the spring 7, and the small thimble end 602 abuts on the wide side of the outer slide rail 3. When the middle slide rail 2 moves to the end of the outer slide rail 3, the small end 602 of the thimble slides into the thimble groove 302 of the outer slide rail 3, and the middle slide rail 2 is prevented from moving forward and being separated by the elasticity provided by the spring 7.
As shown in fig. 9, which is a schematic structural diagram of the outer slide rail 3, the outer slide rail 3 is a rod-like part with a "C" shaped cross section, and the inner sides of two narrow sides are designed with a second groove 301 with one closed end, so as to limit the roller 201 of the middle slide rail 2 to move outwards only along the second groove 301; one end of the wide edge is provided with a thimble groove 302 which is matched with the thimble 6 for use and used for limiting the middle slide rail 2 to continuously move outwards and separate from the outer slide rail 3; the middle of the broadside is designed with a plurality of countersunk mounting holes 303 for fixing the outer slide rail 3 on the outer slide rail mounting rack 8.
As shown in fig. 10, which is a schematic structural diagram of the outer slide rail mounting bracket 8, the outer slide rail mounting bracket 8 is used for mounting the outer slide rail 3, and the outer slide rail 3 is fixed with the outer slide rail mounting bracket 8 through a mounting screw 9, a lock washer 10, and a hexagon nut 11. The outer slide rail mounting rack 8 is a strip-shaped part, and mounting holes 801 are designed at two ends and used for mounting the slide rails on four upright posts of the rack 102; the middle part is provided with an outer slide rail mounting hole 802 for fixing the outer slide rail on the outer slide rail mounting rack; the outer slide rail mounting rack is provided with a guide pin sleeve 803 which is matched with the guide pin 105 on the inner slide rail 1 for use, so that the tail weight of the chassis is borne, and the deformation of the chassis in the vertical and horizontal directions of the tail under the vibration environment is limited.
The rivet 5 is a GB867 half-round head rivet, and is used to fix the limit reed 4 to the rivet hole 104 on the inner slide rail 1.
The mounting screw 9, the anti-loose washer 10 and the hexagon nut 11 are all national standard components and play a role in fixing the outer slide rail 3 and the outer slide rail mounting rack 8.
The invention has the characteristics of simple structure, good machinability, high reliability and convenient installation.
The above examples are only for illustrating the technical solutions of the present invention, and are not limited thereto.
Claims (7)
1. The slide rail with the guide pin for the electronic equipment case is characterized by at least comprising an inner slide rail (1) and a guide pin sleeve (803) matched with the inner slide rail (1) in the sliding direction, wherein the end part of the inner slide rail (1) is provided with the guide pin (105) extending along the sliding direction of the inner slide rail, the guide pin (105) is inserted into the guide pin sleeve (803) in a socket mode under the condition that the inner slide rail (1) is folded to the extreme position along the sliding direction, and the guide pin sleeve (803) limits the guide pin (105) from moving in the radial direction.
2. The slide rail with the guide pin for the electronic equipment chassis according to claim 1, further comprising a middle slide rail (2) and an outer slide rail (3), wherein the middle slide rail (2) and the outer slide rail (3) both have sliding grooves to make the cross section of the middle slide rail (2) and the outer slide rail (3) have a "C" shape, the inner slide rail (1) moves along the sliding grooves of the middle slide rail (2), and the middle slide rail (2) moves along the sliding grooves of the outer slide rail (3).
3. The slide rail with the guide pin for the electronic equipment chassis according to claim 2, wherein the inner slide rail (1) is attached to the surface of the middle slide rail (2) and provided with a reed groove (130), a limit reed (4) is fixed in the reed groove (130), a cylindrical boss (402) is arranged in the middle of the limit reed (4), the middle slide rail (2) is provided with a corresponding limit hole (203), and the other end of the limit reed (4) is a warping part (403).
4. The slide rail with the guide pin for the electronic equipment chassis according to claim 2, wherein the cross section of the middle slide rail (2) is "C" shaped, rollers (201) are installed on two opposite side surfaces of the middle slide rail (2), the outer diameter of each roller (201) protrudes out of the edge of the narrow side of the middle slide rail (2), a first groove (120) for accommodating the protruding portion of each roller (201) is formed in the side surface of the inner slide rail (1) close to the middle slide rail (2), and a second groove (301) for accommodating the protruding portion of each roller (201) is formed in the side surface of the outer slide rail (3) close to the middle slide rail (2).
5. The slide rail with the guide pin for the electronic equipment chassis according to claim 2, wherein an avoiding hole (204) is formed in the middle slide rail (2).
6. The slide rail with guide pin for electronic equipment cabinet according to claim 2, wherein the inner slide rail (1) has a plurality of mounting holes (110) along the length direction.
7. The slide rail with the guide pin for the electronic equipment chassis according to claim 2, wherein a thimble hole (205) is formed in the end of the middle slide rail (2), the thimble hole (205) is a blind countersunk hole, a thimble (6) and a spring (7) are embedded in the thimble hole (205), the spring (7) presses the thimble (6) to the bottom of the chute of the outer slide rail (3), and a thimble groove (302) for the thimble (6) to slide in is formed on the joint surface of the outer slide rail (3) and the middle slide rail (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210344744.XA CN114698317B (en) | 2022-03-31 | 2022-03-31 | Slide rail with guide pin for electronic equipment case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210344744.XA CN114698317B (en) | 2022-03-31 | 2022-03-31 | Slide rail with guide pin for electronic equipment case |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114698317A true CN114698317A (en) | 2022-07-01 |
| CN114698317B CN114698317B (en) | 2024-03-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210344744.XA Active CN114698317B (en) | 2022-03-31 | 2022-03-31 | Slide rail with guide pin for electronic equipment case |
Country Status (1)
| Country | Link |
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| CN (1) | CN114698317B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3120872U (en) * | 2006-02-06 | 2006-04-20 | 川湖科技股▲分▼有限公司 | Interlocking localization structure of slide rail extension |
| CN201468546U (en) * | 2009-07-29 | 2010-05-19 | 朱建华 | Limiting device of drawer slide rail |
| JP3163033U (en) * | 2010-03-12 | 2010-09-30 | 尾野 繁夫 | Drawer sliding mechanism |
| CN207235304U (en) * | 2017-09-29 | 2018-04-13 | 郑州云海信息技术有限公司 | A kind of slide that server is installed on to equipment cabinets and chassis |
| CN208301311U (en) * | 2017-12-25 | 2019-01-01 | 陈明开 | A kind of drawer guideway with antihunting function |
| CN208446976U (en) * | 2018-02-01 | 2019-02-01 | 东莞市阿力玛机电科技有限公司 | It is a kind of can sequential movements three-sectional sliding-rail |
| CN208737366U (en) * | 2018-06-15 | 2019-04-12 | 美超微电脑股份有限公司 | Bolt lock structure and server with bolt lock structure |
| CN209152685U (en) * | 2018-11-01 | 2019-07-26 | 洛阳飞虎办公家具有限公司 | It is a kind of it is novel can sequential movements three-sectional sliding-rail |
| CN214507672U (en) * | 2021-02-04 | 2021-10-26 | 合肥同智机电控制技术有限公司 | Pluggable standard cabinet power supply plug box structure |
| CN215487218U (en) * | 2021-01-20 | 2022-01-11 | 广州广电智能科技有限公司 | Aluminum heavy guide rail |
| CN215529641U (en) * | 2021-06-29 | 2022-01-14 | 中国电子科技集团公司第三十八研究所 | Locking device for vehicle-mounted electronic equipment plug box |
-
2022
- 2022-03-31 CN CN202210344744.XA patent/CN114698317B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3120872U (en) * | 2006-02-06 | 2006-04-20 | 川湖科技股▲分▼有限公司 | Interlocking localization structure of slide rail extension |
| CN201468546U (en) * | 2009-07-29 | 2010-05-19 | 朱建华 | Limiting device of drawer slide rail |
| JP3163033U (en) * | 2010-03-12 | 2010-09-30 | 尾野 繁夫 | Drawer sliding mechanism |
| CN207235304U (en) * | 2017-09-29 | 2018-04-13 | 郑州云海信息技术有限公司 | A kind of slide that server is installed on to equipment cabinets and chassis |
| CN208301311U (en) * | 2017-12-25 | 2019-01-01 | 陈明开 | A kind of drawer guideway with antihunting function |
| CN208446976U (en) * | 2018-02-01 | 2019-02-01 | 东莞市阿力玛机电科技有限公司 | It is a kind of can sequential movements three-sectional sliding-rail |
| CN208737366U (en) * | 2018-06-15 | 2019-04-12 | 美超微电脑股份有限公司 | Bolt lock structure and server with bolt lock structure |
| CN209152685U (en) * | 2018-11-01 | 2019-07-26 | 洛阳飞虎办公家具有限公司 | It is a kind of it is novel can sequential movements three-sectional sliding-rail |
| CN215487218U (en) * | 2021-01-20 | 2022-01-11 | 广州广电智能科技有限公司 | Aluminum heavy guide rail |
| CN214507672U (en) * | 2021-02-04 | 2021-10-26 | 合肥同智机电控制技术有限公司 | Pluggable standard cabinet power supply plug box structure |
| CN215529641U (en) * | 2021-06-29 | 2022-01-14 | 中国电子科技集团公司第三十八研究所 | Locking device for vehicle-mounted electronic equipment plug box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114698317B (en) | 2024-03-22 |
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