CN102984913B - Cabinet structure - Google Patents
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- CN102984913B CN102984913B CN201210462829.4A CN201210462829A CN102984913B CN 102984913 B CN102984913 B CN 102984913B CN 201210462829 A CN201210462829 A CN 201210462829A CN 102984913 B CN102984913 B CN 102984913B
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Abstract
The invention provides a cabinet structure. The cabinet structure comprises a framework, a cover plate and side plates, wherein the side plates are arranged around the framework. The framework comprises an upper frame and a bottom frame. The framework is formed by connecting the upper frame with the bottom frame through a corner connector and a column profile. The upper frame and the bottom frame are formed by respectively connecting two crossbeam profiles with two longitudinal beam profiles. The column profile is in a symmetrical structure with a sectional split line as the center. The cabinet structure further comprises a dustproof drain connected with the outer wall of the framework. The dustproof drain comprises an end face connected with the outer wall in parallel. The end face transitions to an airfoil through a U-shaped support section. Sealing elements are respectively arranged between the cover plate and the side plate and between the upper frame and the bottom frame. A dust trench is formed by the edge of the cover plate, the edge segment of the side plates and the dustproof drain. A labyrinth seal 1 is formed by the end face, the cover plate and the sealing element. A labyrinth seal 2 is formed by the airfoil, the side plates and the sealing element. Due to the structure design of three seals of the dust trench, the labyrinth seal1 and the labyrinth seal 2, the cabinet structure is provided with good sealing, enough industrial production (IP) level, and therefore the cabinet structure is capable of adapting the harsh industrial environment.
Description
Technical field
The present invention relates to electrical equipment, be specifically related to rack, particularly relate to the frame structure of rack.
Background technology
Rack is generally that cold-rolled steel sheet or alloy make, and is used for depositing the object of computer and related control device, can provides the protection to storage equipment, shield electromagnetic interference, also can in order, fitly alignment apparatus, conveniently carry out the maintenance work of equipment.Rack material generally adopts steel profile, the aluminium section bar and various engineering plastics etc. of sheet metal, various section configuration.Cabinet framework is normally connect by longitudinal beam section bar, cross beam sectional bar and column section group and forms.In prior art, the group of longitudinal beam section bar, cross beam sectional bar and column section connects mode two kinds usually: a kind of is carry out 45 ° of oblique angles at the joint angle place of longitudinal beam section bar and cross beam sectional bar to cut off, cut out the otch mated with the cross sectional shape of column section installed surface, then, by this otch, column section is directly become cabinet framework with longitudinal beam section bar, cross beam sectional bar assembly welding, another kind adopts corner connector by longitudinal beam section bar, cross beam sectional bar and column section group are connected into cabinet framework, Chinese patent CN201210010257.6 discloses a kind of square corners connector, two mutually perpendicular end faces of corner connector are provided with and with the outside of column section, the consistent square boss of sectional dimension are installed, corner connector is also with installing hole, the mode that this kind adopts corner connector group to connect, change in first kind of way longitudinal beam section bar, the traditional method of 45 ° of oblique angle cutting stocks of cross beam sectional bar, and only need 90 ° of cut-to-lengths, so save material and workload, improve blank size precision, ensure that the assembly welding quality of product framework.
Apply more widely along with rack is more next, the performance requirement of market to equipment is also more and more higher, especially the requirement aspect of degree of protection.The poor-performing of the waterproof and dustproof of current rack, this directly has influence on the performance and used life of equipment.The waterproof of current rack and hermetically-sealed construction mainly arrange a bar shaped guiding gutter on longitudinal beam section bar, cross beam sectional bar, rainwater be directed at column section and flow out along column section, relying between door-plate and framework crush seal material to reach the object of sealing simultaneously.But the waterproof construction of bar shaped guiding gutter can not provide sufficient water-proof function to rack, cannot adapt to severe industrial environment.In addition, general encapsulant is made to play good barrier propterty, need to use larger extruding force, and extruding of exerting oneself for a long time can shorten the useful life of encapsulant, door-plate requires higher with the fit dimension of framework simultaneously, so higher to the required precision of producing, thus be unfavorable for the raising of productivity ratio.
Summary of the invention
The applicant improves for above-mentioned shortcoming of the prior art, provides a kind of cabinet structure, and it possesses good dust-proof, water resistance, has good sealing, improves the IP degree of protection of rack, saves material simultaneously, reduces production cost.
Technical scheme of the present invention is as follows:
Cabinet structure, comprises the side plate of framework, cover plate and framework surrounding, and framework comprises top frame, underframe, connects and composes framework between described top frame and described underframe by angle connector and column section; Described top frame and described underframe are interconnected together by two cross beam sectional bars and two longitudinal beam section bar; Cross beam sectional bar has two installation sides connected vertically, and installation side extends towards framework outside and is connected with seal section, and seal section is connected to outer wall; Longitudinal beam section bar is identical with the structure of cross beam sectional bar; Column section is with cross section subdivision line symmetrical structure, the structure of subdivision line both sides, cross section with cross section subdivision line for reference symmetry, comprise the holding portion of frame oriented outside and the mounting portion of frame oriented inside, housing section and described mounting portion are linked together by sealed sides; Housing section comprises suspension member side, this suspension member side forms the linkage section of cutting sth. askew of framework, form the spatial accommodation of the crimp of outer suspension member, suspension member side is transitioned into described mounting portion along direction of cutting sth. askew by sealed sides, sealed sides is perpendicular to installation cross section corresponding on framework, housing section also comprises the reinforcing side be connected with one-tenth obtuse angle, suspension member side, reinforces side and deviates from suspension member side to being transitioned into reinforcement side, strengthen side and be transitioned into sealed sides by side of isolation; Described mounting portion comprises the installation side one coordinating with corresponding installation side and install, and one end, suspension member side is transitioned into installation side one by sealed sides; Described angle connector is square body structure, and the side that two is vertical is provided with boss, and the contact-making surface of boss is consistent with the geomery of the contact-making surface of the housing section of column section; Cover plate have bending downwards around edge; Side plate comprises a cabinet door, and side plate has the limit section of upper level;
The subdivision line direction, installation side cross section on one day of column section is transitioned into installation side two, installation side two is connected with installation side one one-tenth obtuse angle, installation side two is towards suspension member side to being transitioned into installation side three, installation side three is drawn close towards cross section subdivision line, to draw close towards cross section subdivision line equally with the corresponding installation side of installation side three symmetry, described in draw close place's opening or closed; Installation side one, installation side three and installation side two are equipped with fixing hole or groove;
Also comprise dust-proof gutter, dust-proof gutter and cross beam sectional bar and the vertical outer wall of longitudinal beam section bar are connected, dust-proof gutter comprises the end face be connected with vertical outside wall parallel, end face transition is connected to " U " shape supporting section, " U " shape supporting section edge of opening is connected with vertical outer wall, and the closing end of " U " shape supporting section is connected to aerofoil to framework outer transition;
The edge of cover plate is arranged on the top in dust-proof gutter, the outside of end face, and abuts with end face;
The limit section of side plate is arranged on the top of aerofoil.
Its further technical scheme is:
Between the described top frame of described cover plate, side plate and framework and described underframe, equal device has seal.
Described dust-proof gutter adopts soft material to be made.
Described side of isolation is perpendicular to sealed sides, and strengthen side perpendicular to reinforcing side, strengthen side perpendicular to side of isolation, sealed sides is perpendicular to installation side one.
Described installation side has along its length two row holddown grooves and two row installing holes at least, and holddown groove and installing hole interlaced arrangement.
Described installation side one and installation side three are all evenly equipped with fixing hole along framework vertical direction; Installation side two is evenly equipped with preflush groove along framework vertical direction.
Technique effect of the present invention:
The present invention is by the setting in dust-proof gutter, and cover plate, between side plate and framework device foaming sealing strip, can realize three sealings of the present invention, the present invention is made to possess good dust-proof, water resistance, there is good sealing, IP degree of protection is significantly improved, thus expands the applied environment of rack; The use of angle connector, changes cross beam sectional bar and the traditional 45 ° of oblique angle blankings of longitudinal beam section bar, greatly saves material with artificial, greatly must improve blank size precision, ensure that assembly welding quality, improves production efficiency; The design of six installed surfaces on column section, can be the installation of annex in rack and provides installation site as much as possible and mounting means, can reduce process time, enhance productivity.
Accompanying drawing explanation
Fig. 1 is the installation diagram that frame corner of the present invention connects.
Fig. 2 is sectional arrangement drawing of the present invention, is the partial sectional view in an assembling bight.
Fig. 3 is the stereogram of Vierendeel girder.
Fig. 4 is the cross section structure schematic diagram of column section.
Fig. 5 is the stereogram of column section.
Fig. 6 is the cross section structure schematic diagram in dust-proof gutter.
Fig. 7 is the stereogram of angle connector.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described.
See Fig. 1, Fig. 2, the present invention includes the side plate 30 of framework 10, cover plate 20 and framework 10 surrounding, side plate 30 comprises a cabinet door, and framework 10 comprises top frame, underframe, connects and composes framework 10 between described top frame and described underframe by angle connector 101 and column section 102; Described top frame and described underframe are interconnected together by two cross beam sectional bars 103 and two longitudinal beam section bar 104.
See Fig. 1, Fig. 3, cross beam sectional bar 103 has two installation sides 1031 connected vertically, installation side 1031 frame oriented 10 is inner, installation side 1031 extends towards framework 10 outside and is connected with seal section 1032, seal section 1032 is connected to outer wall 1033, two closed connections of outer wall 1033, so ensure that the completely airtight of cross beam sectional bar 103; Installation side 1031 have along its length two row holddown grooves and two row installing holes 80 at least, and holddown groove and installing hole 80 interlaced arrangement, holddown groove and installing hole 80 are used for mounting electrical parts or annex, and the installation being set to parts or annex of hole and groove provides more mounting means; Longitudinal beam section bar 104 is identical with the structure of cross beam sectional bar 103, i.e. the two shape of cross section and measure-alike, can, according to the shape need of rack, longitudinal beam section bar 104 can be selected identical or different with the length of cross beam sectional bar 103; In order to assemble better, seal section 1032 is perpendicular to installation side 1031, and outer wall 1033 is perpendicular to seal section 1032, and two outer walls 1033 are vertically arranged mutually.
See Fig. 1, Fig. 4, Fig. 5, column section 102 is with cross section subdivision line 40 symmetrical structure, the structure of subdivision line 40 both sides, cross section with cross section subdivision line 40 for reference symmetry, comprise the holding portion of frame oriented 10 outside and the mounting portion of frame oriented 10 inside, housing section and described mounting portion are linked together by sealed sides, housing section comprises suspension member side 1021, and this suspension member side 1021 forms the linkage section of cutting sth. askew of framework 10, forms the spatial accommodation of the crimp of outer suspension member, and provides position for hinge and latching member, can fixed hinge and latching member on suspension member side 1021, suspension member side 1021 is transitioned into described mounting portion along direction of cutting sth. askew by sealed sides 1022, the cross beam sectional bar 103 of sealed sides 1022 perpendicular to correspondence or the cross section of longitudinal beam section bar 104, housing section also comprises the reinforcing side 1023 be connected with obtuse angle, 1021 one-tenth, suspension member side, reinforcing side 1023 deviates from direction, suspension member side 1021 and is transitioned into reinforcement side 1024, strengthen side 1024 and be transitioned into sealed sides 1022 by side of isolation 1025, preferred side of isolation 1025 is perpendicular to sealed sides 1022, strengthen side 1024 perpendicular to reinforcing side 1023, strengthen side 1024 perpendicular to side of isolation 1025, described mounting portion comprises and coordinates with corresponding installation side 1031 installation side 1 installed, one end, suspension member side 1021 is transitioned into installation side 1 by sealed sides 1022, preferred sealed sides 1022 is perpendicular to installation side 1, installation side 1 is transitioned into installation side 2 1027 towards subdivision line 40 direction, cross section, installation side 2 1027 and installation side 1 1026 one-tenth obtuse angles are connected, installation side 2 1027 is transitioned into installation side 3 1028 towards direction, suspension member side 1021, installation side 3 1028 is drawn close towards cross section subdivision line 40, to draw close towards cross section subdivision line 40 equally with the corresponding installation side of installation side 3 1028 symmetry, described drawing close locates opening or closed, installation side 1 and installation side 3 1028 are all evenly equipped with fixing hole 50 along framework 10 vertical direction, installation side 2 1027 is evenly equipped with preflush groove 60 along framework 10 vertical direction.
Sealed sides 1022 coordinates with the seal on outer suspension member, realizes the seal closure outside the present invention.Can further consider has side of isolation 1025 in sealed sides 1022 arranged outside, and sealing strip is installed additional in side of isolation 1025, reach the effect of secondary seal, seal on sealing strip in side of isolation 1025, outer suspension member and between outer suspension member formed a mechanical type labyrinth, the IP degree of protection of whole enclosure product can be improved, improve the sealing of whole enclosure product.
Column section 102 has six installed surfaces, can be the installation of annex in rack and provides installation site as much as possible and mounting means, can reduce process time, enhance productivity.
See Fig. 1, Fig. 7, described angle connector 101 is square body structure, and with boss 1011 on the side that two is vertical, the contact-making surface of boss 1011 is consistent with the geomery of the contact-making surface of the housing section of column section 102.
When group connects framework 10, first cross beam sectional bar 103 and longitudinal beam section bar 104 are carried out 90 ° of fixed length vertical cuts along its length, described vertical cut face is coordinated with another two vertical planes not with boss 1011 on angle connector 101 and welds, namely welded with angle connector 101 by installation side 1031; The square body of boss 1011, angle connector 101 and the cross beam sectional bar 103 after welding form the spatial accommodation of column section 102 together with longitudinal beam section bar 104.The contact-making surface of housing section on column section 102 is coordinated after aiming at the contact-making surface of boss 1011, column section 102 is inserted described spatial accommodation, then carry out firm welding at described cooperation aligning place, all become framework 10 according to above-mentioned connected mode assembly welding at the described top frame of framework 10 with the junction, bight of four on described underframe; Because the contact-making surface of boss 1011 is consistent with the geomery of the contact-making surface of the housing section of column section 102, can ensure, between the vertical cut cross section of cross beam sectional bar 103 and longitudinal beam section bar 104 and angle connector 101, there is maximum contact area like this, for the installation of column section 102 provides the longest weld length, inside, guarantee junction, framework 10 bight is completely isolated with outside, improve framework 10 inner with outside airtight performance, also enhance the stability of framework 10, buckling simultaneously.Simultaneously, the use of square angle connector 101, make cross beam sectional bar 103 and longitudinal beam section bar 104 only need carry out 90 ° of fixed length vertical cuts along its length, so change 45 ° of traditional oblique angle blankings, greatly save material with artificial, drastically increase blank size precision, ensure that assembly welding quality, improve production efficiency.
See Fig. 1, Fig. 7, angle connector 101, with installing hole 1012, when the corner connector of angle connector 101 for the described top frame of framework 10, installs suspension ring by installing hole 1012, and the transport for enclosure product is installed provides convenient; When the corner connector of angle connector 1012 for the described underframe of framework 10, install castor by installing hole 1012, the transport for enclosure product is installed provides convenient.
For improving the sealing effectiveness between framework 10 and outer suspension member further, between the described top frame and described underframe of cover plate 20, side plate 30 and framework 10, equal device has seal 91, and the seal adopts foaming sealing strip usually, sees Fig. 2.Seal 91 is arranged on cover plate 20 and between seal section 1032, four cycle side plate 30 and the gap of seal section 1032, so, after cover plate 20 and seal section 1032, four cycle side plate 30 and framework 10 are assembled, cover plate 20, side plate 30 contact with framework 10 fully, and seal 91 plays the bilayer effect of sealing, buffering simultaneously.
Further improve dust-proof, the water resistance of rack, dust-proof gutter 70 is also connected with at cross beam sectional bar 103 and the vertical outer wall 1033 of longitudinal beam section bar 104, see Fig. 2, Fig. 6, dust-proof gutter 70 comprises the end face 701 of being close to connection parallel with vertical outer wall 1033, end face 701 transition is connected to " U " shape supporting section 702, " U " shape supporting section 702 edge of opening is close to vertical outer wall 1033 and is connected, and the closing end of " U " shape supporting section 702 is connected to aerofoil 703 to framework 10 outer transition; Dust-proof gutter 70 adopts soft material to be made.
See Fig. 1, Fig. 2, cover plate 20 have bending downwards around edge 201; Side plate 30 comprises a cabinet door, and side plate 30 has the limit section 301 of upper level; The edge 201 of cover plate 20 is arranged on the top in dust-proof gutter 70, the outside of end face 701, and abuts with end face 701; The limit section 301 of side plate 30 is arranged on the top of aerofoil 703, and pushes down aerofoil 703, and edge 201, limit section 301 and this three of dust-proof gutter 70 form dust-proof ditch 92 together, dust and rainwater can be barred from this dust-proof ditch 92; End face 701, cover plate 20 and this three of seal 91 form labyrinth seal 1; Aerofoil 703, side plate 30 and seal 91 form labyrinth seal 2 94.The structural design of three sealings of dust-proof ditch 92, labyrinth seal 1 and labyrinth seal 2 94, make the present invention have good sealing, IP degree of protection is significantly improved, thus can adapt to harsh industrial environment.
More than describing is explanation of the invention, and be not the restriction to invention, limited range of the present invention, see claim, within protection scope of the present invention, can do any type of amendment.
Claims (6)
1. cabinet structure, comprise the side plate (30) of framework (10), cover plate (20) and framework (10) surrounding, framework (10) comprises top frame, underframe, connects and composes framework (10) between described top frame and described underframe by angle connector (101) and column section (102), described top frame and described underframe are interconnected together by two cross beam sectional bars (103) and two longitudinal beam section bar (104), cross beam sectional bar (103) has two installation sides connected vertically (1031), and installation side (1031) extends towards framework (10) outside and is connected with seal section (1032), and seal section (1032) is connected to outer wall (1033), longitudinal beam section bar (104) is identical with the structure of cross beam sectional bar (103), column section (102) is with cross section subdivision line (40) symmetrical structure, the structure of subdivision line (40) both sides, cross section with cross section subdivision line (40) for reference symmetry, comprise the mounting portion of the outside holding portion of frame oriented (10) and frame oriented (10) inside, housing section and described mounting portion are linked together by sealed sides, housing section comprises suspension member side (1021), this suspension member side (1021) forms the linkage section of cutting sth. askew of framework (10), form the spatial accommodation of the crimp of outer suspension member, suspension member side (1021) is transitioned into described mounting portion along direction of cutting sth. askew by sealed sides (1022), sealed sides (1022) is perpendicular to the upper corresponding installation cross section of framework (10), housing section also comprises the reinforcing side (1023) becoming obtuse angle to be connected with suspension member side (1021), reinforcing side (1023) deviates from suspension member side (1021) direction and is transitioned into reinforcement side (1024), strengthen side (1024) and be transitioned into sealed sides (1022) by side of isolation (1025), described mounting portion comprises the installation side one (1026) coordinating with corresponding installation side (1031) and install, and suspension member side (1021) one end is transitioned into installation side one (1026) by sealed sides (1022), described angle connector (101) is square body structure, and the side that two is vertical is provided with boss (1011), and the contact-making surface of boss (1011) is consistent with the geomery of the contact-making surface of the housing section of column section (102), cover plate (20) have bending downwards around edge (201), side plate (30) comprises a cabinet door, and side plate (30) has the limit section (301) of upper level, it is characterized in that:
The installation side one (1026) of column section (102) is transitioned into installation side two (1027) towards subdivision line (40) direction, cross section, installation side two (1027) becomes obtuse angle to be connected with installation side one (1026), installation side two (1027) is transitioned into installation side three (1028) towards suspension member side (1021) direction, installation side three (1028) is drawn close towards cross section subdivision line (40), the corresponding installation side symmetrical with installation side three (1028) is same to be drawn close towards cross section subdivision line (40), described in draw close place's opening or closed; Installation side one (1026), installation side three (1028) and installation side two (1027) are equipped with fixing hole or groove;
Also comprise dust-proof gutter (70), dust-proof gutter (70) and cross beam sectional bar (103) and the vertical outer wall (1033) of longitudinal beam section bar (104) are connected, dust-proof gutter (70) comprises and vertical outer wall (1033) parallel connected end face (701), end face (701) transition is connected to " U " shape supporting section (702), " U " shape supporting section (702) edge of opening is connected with vertical outer wall (1033), and the closing end of " U " shape supporting section (702) is connected to aerofoil (703) to framework (10) outer transition;
The edge (201) of cover plate (20) is arranged on the top of dust-proof gutter (70), the outside of end face (701), and abuts with end face (701);
The limit section (301) of side plate (30) is arranged on the top of aerofoil (703).
2., by cabinet structure according to claim 1, it is characterized in that: between the described top frame of described cover plate (20), side plate (30) and framework (10) and described underframe, equal device has seal (91).
3. by cabinet structure according to claim 1, it is characterized in that: described dust-proof gutter (70) adopts soft material to be made.
4. by cabinet structure according to claim 1, it is characterized in that: described side of isolation (1025) is perpendicular to sealed sides (1022), strengthen side (1024) perpendicular to reinforcing side (1023), strengthen side (1024) perpendicular to side of isolation (1025), sealed sides (1022) is perpendicular to installation side one (1026).
5., by cabinet structure according to claim 1, it is characterized in that: described installation side (1031) has along its length two row holddown grooves and two row installing holes (80) at least, and holddown groove and installing hole (80) interlaced arrangement.
6. by cabinet structure according to claim 1, it is characterized in that: described installation side one (1026) and installation side three (1028) are above all evenly equipped with fixing hole (50) along framework (10) vertical direction; Installation side two (1027) is evenly equipped with preflush groove (60) along framework (10) vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210462829.4A CN102984913B (en) | 2012-11-16 | 2012-11-16 | Cabinet structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210462829.4A CN102984913B (en) | 2012-11-16 | 2012-11-16 | Cabinet structure |
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| Publication Number | Publication Date |
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| CN102984913A CN102984913A (en) | 2013-03-20 |
| CN102984913B true CN102984913B (en) | 2015-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210462829.4A Active CN102984913B (en) | 2012-11-16 | 2012-11-16 | Cabinet structure |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203574989U (en) * | 2013-11-18 | 2014-04-30 | 中兴通讯股份有限公司 | Cabinet framework beam, cabinet framework and cabinet |
| CN104661479B (en) * | 2015-03-02 | 2018-06-05 | 无锡康贝电子设备有限公司 | Cabinet framework and cabinet structure |
| CN104682206A (en) * | 2015-03-11 | 2015-06-03 | 贾海龙 | Framework profile of power distribution cabinet |
| CN106852049B (en) * | 2017-03-24 | 2023-05-23 | 无锡康贝电子设备有限公司 | Profile steel for cabinet frame |
| CN107018638A (en) * | 2017-06-12 | 2017-08-04 | 苏州安瑞可机柜系统有限公司 | A kind of aluminium section bar rack |
| CN107278086A (en) * | 2017-06-15 | 2017-10-20 | 上海复珊精密制造有限公司 | A kind of general box frame of indoor and outdoor |
| CN108574209B (en) * | 2018-06-07 | 2023-11-21 | 河南森源电气股份有限公司 | Switch cabinet and cabinet body thereof |
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| EP0789985B1 (en) * | 1994-11-05 | 1998-08-12 | Rittal-Werk Rudolf Loh GmbH & Co. KG | Switchgear cabinet with frame |
| CN2521870Y (en) * | 2000-06-10 | 2002-11-20 | 深圳市泰尔卡科技有限公司 | Outdoor communication machine cabinet |
| CN201262315Y (en) * | 2008-08-29 | 2009-06-24 | 深圳市中兴新通讯设备有限公司 | Special column section bar for machine cabinet |
| CN102506037A (en) * | 2011-09-28 | 2012-06-20 | 天津正本自控系统有限公司 | Three-way connection piece |
| CN202918623U (en) * | 2012-11-16 | 2013-05-01 | 无锡康贝电子设备有限公司 | Rack structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4232013B2 (en) * | 2003-06-30 | 2009-03-04 | 株式会社日立コミュニケーションテクノロジー | Electronic equipment housing structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0789985B1 (en) * | 1994-11-05 | 1998-08-12 | Rittal-Werk Rudolf Loh GmbH & Co. KG | Switchgear cabinet with frame |
| CN2521870Y (en) * | 2000-06-10 | 2002-11-20 | 深圳市泰尔卡科技有限公司 | Outdoor communication machine cabinet |
| CN201262315Y (en) * | 2008-08-29 | 2009-06-24 | 深圳市中兴新通讯设备有限公司 | Special column section bar for machine cabinet |
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