CN105517400A - Fixing column device applied to PCBs and provided with cooling fan and limiting sensors - Google Patents
Fixing column device applied to PCBs and provided with cooling fan and limiting sensors Download PDFInfo
- Publication number
- CN105517400A CN105517400A CN201510960605.XA CN201510960605A CN105517400A CN 105517400 A CN105517400 A CN 105517400A CN 201510960605 A CN201510960605 A CN 201510960605A CN 105517400 A CN105517400 A CN 105517400A
- Authority
- CN
- China
- Prior art keywords
- semi
- circular shape
- pcb
- lock part
- cylinder
- 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.)
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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
- H05K7/14—Mounting supporting structure in casing or on frame or rack
- H05K7/1401—Mounting supporting structure in casing or on frame or rack comprising clamping or extracting means
- H05K7/1414—Mounting supporting structure in casing or on frame or rack comprising clamping or extracting means with power interlock
-
- 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
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20172—Fan mounting or fan specifications
Abstract
A fixing column device applied to PCBs and provided with a cooling fan and limiting sensors is used for being fixedly connected with a frame body (1) so as to fix a PCB (2) to the frame body (1). The fixing column device comprises a fixing body (8) of which the bottom is fixedly connected with the frame body (1). The fixing body (8) comprises a bottom shoulder part which is provided with a shoulder surface (81) used for carrying the back of the PCB, and a vertical column part (9) which is formed integrally and is perpendicular to the shoulder surface (81). The vertical column part (9) comprises a bottom cylindrical root (92) which is integrally connected with the shoulder surface (81) and is used for being jointed with a fixed hole in the PCB, a cylindrical top (91) which is disposed at the end of the top, and a middle connecting part which is between the cylindrical root (92) and the cylindrical top (91) and is shaped as a cylinder as a whole.
Description
Technical field
The invention belongs to the field of PCB, more specifically relate to a kind of for the band radiator fan of PCB and the fixed leg device of limit sensors.
Background technology
In general, need solid and reliable for the installation of PCB in the support of the equipment of use.Conventional mode or method have punches on control cabinet, first installs the pad nail of fixing circuit board, is then padded with insulation spacer key screw wiring board and is fixed in the above, wherein also can be fixed with glue.
But this mounting means needs manually to carry out screw tightening, in the occasion that some spatial limitation or operating time limit, this fixed form is restricted.
More existing fixed installation modes also comprise the plastics staple using band elastic hook.This mode can remove the step of manual tighten the screws from, and also can realize fixing circuit board.But, this mode often needs manually to be depressed by elastic hook when dismounting, operation inconvenience and be difficult to depress and affect the efficiency of loading and unloading of circuit board there will be elastic hook in some cases, even can make this staple damage and affect the operation and maintenance of integral device.
Summary of the invention
For above-mentioned technical problem, the invention provides that a kind of it can overcome the problems referred to above of the prior art for the band radiator fan of PCB and the fixed leg device of limit sensors, improve the efficiency of loading and unloading of PCB and reduce manual intervention.
According to aspects of the present invention, a kind of for the band radiator fan of PCB and the fixed leg device of limit sensors, for being fixedly connected with support body thus PCB being fixed on described support body, described fixed leg device comprises the fixed body that bottom is fixedly connected with described support body, described fixed body comprises the bottom shoulder part of the circular bead surface had for carrying the PCB back side and the vertical vertical column segment of integrated and described circular bead surface, described vertical column segment comprises being connected with described circular bead surface one of bottom and cylindrical root for engaging with the fixing hole in PCB, the cylinder-shaped top of top end and between described cylindrical root and described cylinder-shaped top and overall cylindrical middle interconnecting piece divide, wherein, be provided with axially extended during described middle interconnecting piece divides and limit the upper cylinder location division of the coboundary of described two sliding channels at two diametrically relative sliding channels and at described two sliding channel upper ends and limit the lower cylinder location division of the lower boundary of described two sliding channels at described two sliding channel lower ends, wherein, the first diameter that described upper cylinder location division and lower cylinder location division have is less than the Second bobbin diameter that described cylindrical root and described cylinder-shaped top have, formed for being contained in the depression being diametrically oppositely arranged the Lock Part and two of symmetrical configuration semi-circular shape are stretched thus, to stretch in Lock Part each includes and axially to extend and cross section is the flexible sticking department of semi-circular shape and protrudes out from the middle part the axial direction of described flexible sticking department and protrude out drive division in described two sliding channels in corresponding one for described two semi-circular shape, wherein, the top and bottom of described flexible sticking department coordinate the outer peripheral face against cylinder location division on described and lower cylinder location division respectively when retracted mode, the described inside end place protruding out drive division be provided with drive inclined-plane in order to corresponding one in two of slide block inclined plane parts can be driven in axial sliding to coordinate thus the Lock Part that described semi-circular shape can be stretched radially outwards drives to become the state of stretching out in direction by screw drive, wherein, described driving slide block comprises the main body block be oppositely arranged two guiding end faces and promotes wedge portions from another two ends be oppositely arranged corresponding two of protruding towards described two sliding channels of described main body block, described two promotion wedge portions arrange corresponding one in described two inclined plane parts respectively in end, outside, and can slide in corresponding in described two sliding channels, the central part of described fixed body is provided with axially extension and cross section is totally the gathering sill of rectangle, two opposed sidewalls of this gathering sill coordinate with described two end faces that lead, two opposed sidewalls are in addition corresponding with described two sliding channels respectively, wherein, the stretch elastic shrinkage reposition element of the cavity being provided with the flexible sticking department being arranged in described semi-circular shape between Lock Part of described two semi-circular shape is reset to retracted mode in order to the Lock Part that described two semi-circular shape stretched, thus, when described two semi-circular shape stretch Lock Part be in retracted mode time, the stretch outer circumference surface of outer circumference surface and the described cylindrical root of Lock Part and described cylinder-shaped top of described two semi-circular shape is concordant thus make described PCB install dropping place smoothly, when described two semi-circular shape stretch Lock Part be in stretch out state time, the stretch outer circumference surface of Lock Part of described two semi-circular shape stretches out from the outer circumference surface of described cylindrical root and described cylinder-shaped top thus described PCB is locked,
Wherein, described screw rod axially extends at the central part of described gathering sill, and connect with the drive motors power in the cavity being arranged on described fixed body in bottom, described screw rod is driven to operate by described drive motors, thus drive described driving slide block to slide axially, the shell of described drive motors is horizontally arranged with radiating fin in order to heat absorption operationally produced for described drive motors to be dissipated, described radiating fin is fixedly installed radiator fan to accelerate to dissipate to improve radiating efficiency in order to the heat that described radiating fin is absorbed, thus temperature is too high and burn when preventing described drive motors long-play, on described screw rod, the two ends being up and down positioned at described driving slide block are provided with, lower limit transducer be electrically connected with described drive motors in order to when the described driving skid excess of stroke and with described on, transmission of signal during lower limit sensor contacts also controls described drive motors and shuts down, prevent the described driving slide block movement excess of stroke and crash with described cylinder-shaped top or described cylindrical root.
By technique scheme, owing to employing by power-actuated extensible member, it ensured that the entirety of whole erection column was columniform performance before PCB is installed, and it can ensure that the installing hole of PCB can be enclosed within this erection column smoothly; After PCB dropping place, this erection column can be made to be out of shape by power-actuated extensible member thus stretch out a part PCB to be fixed.In the present invention, owing to have employed the elongated slot offering rectangle in this erection column, it can ensure that promoting voussoir can not be twisted and deflect by axially leading exactly, to guarantee that power is applied on extensible member efficiently.And being resetted by extensible member by arranging the flexible member be in cavity, playing on the basis driving the action of retracting, the dropping place not affecting PCB is installed.And pass through the setting of the concrete shape of fixed body, the extensible member of two semicircular ring shapes is made reliably to guide to stretch, can ensure that again extensible member structure stress is in the axial direction firm, the impact of the axial load in wedge shape part driving process can not be subject to.And by arranging the inclined plane part protruded from wedge shape part side, the space of sliding tray can be made full use of, fully to realize the protruding of extensible member, can physical dimension be reduced again, and make the guide effect that wedge shape part is strengthened in motion process, thus make operation more solid and reliable.Whole apparatus structure is firm, reliable, effectively can solve the inefficiency of PCB installation and operate the problems such as inconvenience.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram for the band radiator fan of PCB and the fixed leg device of limit sensors of the present invention;
Fig. 2 is the cross section view of the fixed leg device of the present invention at arrow locations place in Fig. 1, and wherein, the arrow locations in this accompanying drawing 2 corresponds to the sectional structure schematic diagram of the fixed leg device of the present invention of Fig. 1.
Embodiment
Below in conjunction with Fig. 1-2, the present invention is described in detail.
According to embodiment, a kind of for the band radiator fan of PCB and the fixed leg device of limit sensors, for being fixedly connected with support body 1 thus PCB 2 being fixed on described support body 1, described fixed leg device comprises the fixed body 8 that bottom is fixedly connected with described support body 1, described fixed body 8 comprises the bottom shoulder part of the circular bead surface 81 had for carrying the PCB back side and the vertical vertical column segment 9 of integrated and described circular bead surface 81, described vertical column segment 9 comprises being connected with described circular bead surface 81 one of bottom and cylindrical root 92 for engaging with the fixing hole in PCB, the cylinder-shaped top 91 of top end and between described cylindrical root 92 and described cylinder-shaped top 91 and overall cylindrical middle interconnecting piece divide, wherein, be provided with axially extended during described middle interconnecting piece divides and limit the upper cylinder location division 931 of the coboundary of described two sliding channels 933 at two diametrically relative sliding channels 933 and at described two sliding channel 933 upper ends and limit the lower cylinder location division 932 of the lower boundary of described two sliding channels 933 at described two sliding channel 933 lower ends, wherein, the first diameter that described upper cylinder location division 931 and lower cylinder location division 932 have is less than the Second bobbin diameter that described cylindrical root 92 and described cylinder-shaped top 91 have, formed thus and be diametrically oppositely arranged the Lock Part 95 and two of symmetrical configuration semi-circular shape are stretched for being contained in, the depression of 96, described two semi-circular shape are stretched Lock Part 95, each in 96 includes and axially to extend and cross section is the flexible sticking department 561 of semi-circular shape and protrudes out from the middle part the axial direction of described flexible sticking department 561 and protrude out drive division 562 in described two sliding channels 933 in corresponding one, wherein, the top and bottom of described flexible sticking department 561 coordinate the outer peripheral face against cylinder location division 931 on described and lower cylinder location division 932 respectively when retracted mode, the described inside end place protruding out drive division 562 is provided with and drives inclined-plane 5621 in order to corresponding one in two of slide block 6 inclined plane parts 611 can be driven in axial sliding to coordinate thus the Lock Part 95 that described semi-circular shape can be stretched to being driven by screw rod 7,96 radially direction outwards drive to become the state of stretching out, wherein, described driving slide block 6 comprises the main body block 62 be oppositely arranged two guiding end faces 621 and promotes wedge portions 61 from another two ends be oppositely arranged corresponding two of protruding towards described two sliding channels 933 of described main body block 62, described two promotion wedge portions 61 arrange corresponding one in described two inclined plane parts 611 respectively in end, outside, and can slide in corresponding in described two sliding channels 933, the central part of described fixed body 8 is provided with axially extension and cross section is totally the gathering sill 94 of rectangle, two opposed sidewalls of this gathering sill 94 coordinate with described two end faces 621 that lead, two opposed sidewalls are in addition corresponding with described two sliding channels 933 respectively, wherein, the stretch elastic shrinkage reposition element 3 of the cavity 31 being provided with the flexible sticking department 561 being arranged in described semi-circular shape between Lock Part 95,96 of described two semi-circular shape is reset to retracted mode in order to the Lock Part 95,96 that described two semi-circular shape stretched, thus, when described two semi-circular shape are stretched Lock Part 95, 96 when being in retracted mode, described two semi-circular shape are stretched Lock Part 95, the outer circumference surface of the outer circumference surface of 96 and described cylindrical root 92 and described cylinder-shaped top 91 is concordant thus make described PCB 2 install dropping place smoothly, when described two semi-circular shape are stretched Lock Part 95, 96 are in when stretching out state, described two semi-circular shape are stretched Lock Part 95, the outer circumference surface of 96 stretches out from the outer circumference surface of described cylindrical root 92 and described cylinder-shaped top 91 thus described PCB 2 is locked,
Wherein, described screw rod 7 axially extends at the central part of described gathering sill 94, and connect with drive motors 71 power in the cavity 15 being arranged on described fixed body 8 in bottom, described screw rod 7 is driven to operate by described drive motors 71, thus drive described driving slide block 6 to slide axially, the shell of described drive motors 71 is horizontally arranged with radiating fin 16 in order to heat absorption operationally produced for described drive motors 71 to be dissipated, described radiating fin 16 is fixedly installed radiator fan 17 to accelerate to dissipate to improve radiating efficiency in order to the heat that described radiating fin 16 is absorbed, thus temperature is too high and burn when preventing described drive motors 71 long-play, on described screw rod 7, the two ends being up and down positioned at described driving slide block 6 are provided with, lower limit transducer 22, 21 to be electrically connected with described drive motors 71 in order to slide when described driving slide block 6 excess of stroke and with described on, lower limit transducer 22, transmission of signal during 21 contact also controls described drive motors 71 and shuts down, prevent the described driving slide block 6 motion excess of stroke and crash with described cylinder-shaped top 91 or described cylindrical root 92.
Alternatively, the spacing between described two guiding end faces 621 makes described guiding end face 621 and described protruding out between drive division 562 have gap 940.This set can be guaranteed the bulk in promotion wedge portion 61 thus ensure stabilized structure degree, protrudes out the friction of drive division 562 when moving described in can reducing simultaneously, and the smoothness improving operation also reduces power consumption.
Owing to employing by power-actuated extensible member, it ensured that the entirety of whole erection column was columniform performance before PCB is installed, and it can ensure that the installing hole of PCB can be enclosed within this erection column smoothly; After PCB dropping place, this erection column can be made to be out of shape by power-actuated extensible member thus stretch out a part PCB to be fixed.In the present invention, owing to have employed the elongated slot offering rectangle in this erection column, it can ensure that promoting voussoir can not be twisted and deflect by axially leading exactly, to guarantee that power is applied on extensible member efficiently.And being resetted by extensible member by arranging the flexible member be in cavity, playing on the basis driving the action of retracting, the dropping place not affecting PCB is installed.And pass through the setting of the concrete shape of fixed body, the extensible member of two semicircular ring shapes is made reliably to guide to stretch, can ensure that again extensible member structure stress is in the axial direction firm, the impact of the axial load in wedge shape part driving process can not be subject to.And by arranging the inclined plane part protruded from wedge shape part side, the space of sliding tray can be made full use of, fully to realize the protruding of extensible member, can physical dimension be reduced again, and make the guide effect that wedge shape part is strengthened in motion process, thus make operation more solid and reliable.
It may be noted that this specific descriptions are not considered as any limitation of the invention.
Claims (1)
1. one kind for the band radiator fan of PCB and the fixed leg device of limit sensors, for being fixedly connected with support body (1) thus PCB (2) being fixed on described support body (1), described fixed leg device comprises the fixed body (8) that bottom is fixedly connected with described support body (1), described fixed body (8) comprises the bottom shoulder part of the circular bead surface (81) had for carrying the PCB back side and the vertical vertical column segment (9) of integrated and described circular bead surface (81), described vertical column segment (9) comprises being connected and cylindrical root (92) for engaging with the fixing hole in PCB with described circular bead surface (81) one of bottom, be positioned at top end cylinder-shaped top (91) and between described cylindrical root (92) and described cylinder-shaped top (91) and overall cylindrical middle interconnecting piece divide, wherein, be provided with axially extended during described middle interconnecting piece divides and limit the upper cylinder location division (931) of the coboundary of described two sliding channels (933) two diametrically relative sliding channels (933) and at described two sliding channel (933) upper ends and limit the lower cylinder location division (932) of the lower boundary of described two sliding channels (933) at described two sliding channel (933) lower ends, wherein, the first diameter that described upper cylinder location division (931) and lower cylinder location division (932) have is less than the Second bobbin diameter that described cylindrical root (92) and described cylinder-shaped top (91) have, formed thus and be diametrically oppositely arranged the Lock Part (95 and two of symmetrical configuration semi-circular shape are stretched for being contained in, 96) depression, described two semi-circular shape are stretched Lock Part (95,96) each in includes and axially to extend and cross section is the flexible sticking department (561) of semi-circular shape and protrudes out from the middle part the axial direction of described flexible sticking department (561) and protrude out drive division (562) in described two sliding channels (933) in corresponding one, wherein, the top and bottom of described flexible sticking department (561) coordinate the outer peripheral face against cylinder location division (931) on described and lower cylinder location division (932) respectively when retracted mode, the described inside end place protruding out drive division (562) is provided with and drives inclined-plane (5621) in order to corresponding one in two inclined plane parts (611) of slide block (6) can be driven in axial sliding to coordinate thus the Lock Part that described semi-circular shape can be stretched (95 to being driven by screw rod (7), 96) radially direction outwards drives to become the state of stretching out, wherein, described driving slide block (6) comprise the main body block (62) be oppositely arranged two guiding end faces (621) and from another two ends be oppositely arranged of described main body block (62) towards described two sliding channels (933) corresponding two of protruding promote wedge portion (61), described two promotions wedge portion (61) arrange corresponding one in described two inclined plane parts (611) respectively in end, outside, and can slide in corresponding in described two sliding channels (933), the central part of described fixed body (8) is provided with axially extension and cross section is totally the gathering sill (94) of rectangle, two opposed sidewalls of this gathering sill (94) coordinate with described two end faces (621) that lead, two opposed sidewalls are in addition corresponding with described two sliding channels (933) respectively, wherein, the stretch elastic shrinkage reposition element (3) of the cavity (31) being provided with the flexible sticking department (561) being arranged in described semi-circular shape between Lock Part (95,96) of described two semi-circular shape is reset to retracted mode in order to the Lock Part (95,96) that described two semi-circular shape stretched, thus, when described two semi-circular shape are stretched Lock Part (95, 96) when being in retracted mode, described two semi-circular shape are stretched Lock Part (95, 96) outer circumference surface of outer circumference surface and described cylindrical root (92) and described cylinder-shaped top (91) is concordant thus make described PCB (2) install dropping place smoothly, when described two semi-circular shape are stretched Lock Part (95, 96) be in when stretching out state, described two semi-circular shape are stretched Lock Part (95, 96) outer circumference surface stretches out from the outer circumference surface of described cylindrical root (92) and described cylinder-shaped top (91) thus described PCB (2) is locked,
Wherein, described screw rod (7) axially extends at the central part of described gathering sill (94), and connect with drive motors (71) power in the cavity (15) being arranged on described fixed body (8) in bottom, described screw rod (7) is driven to operate by described drive motors (71), thus drive described driving slide block (6) to slide axially, the shell of described drive motors (71) is horizontally arranged with radiating fin (16) in order to heat absorption operationally produced for described drive motors (71) to be dissipated, described radiating fin (16) is fixedly installed radiator fan (17) to accelerate to dissipate to improve radiating efficiency in order to the heat that described radiating fin (16) is absorbed, thus temperature is too high and burn when preventing described drive motors (71) long-play, on described screw rod (7), the two ends being up and down positioned at described driving slide block (6) are provided with, lower limit transducer (22, 21) be electrically connected with described drive motors (71) in order to when described driving slide block (6) the slip excess of stroke and with described on, lower limit transducer (22, 21) transmission of signal control described drive motors (71) and shut down during contact, prevent described driving slide block (6) the motion excess of stroke and crash with described cylinder-shaped top (91) or described cylindrical root (92).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510960605.XA CN105517400A (en) | 2015-12-17 | 2015-12-17 | Fixing column device applied to PCBs and provided with cooling fan and limiting sensors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510960605.XA CN105517400A (en) | 2015-12-17 | 2015-12-17 | Fixing column device applied to PCBs and provided with cooling fan and limiting sensors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105517400A true CN105517400A (en) | 2016-04-20 |
Family
ID=55724917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510960605.XA Pending CN105517400A (en) | 2015-12-17 | 2015-12-17 | Fixing column device applied to PCBs and provided with cooling fan and limiting sensors |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105517400A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1092211A (en) * | 1993-03-10 | 1994-09-14 | 秦基胜 | Self-fixed concealed switching receptacle and electrical fixer |
| CN105163554A (en) * | 2015-10-19 | 2015-12-16 | 邱林新 | Heat-dissipating circuit board assembly equipped with upper stopping sensor and lower stopping sensor |
-
2015
- 2015-12-17 CN CN201510960605.XA patent/CN105517400A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1092211A (en) * | 1993-03-10 | 1994-09-14 | 秦基胜 | Self-fixed concealed switching receptacle and electrical fixer |
| CN105163554A (en) * | 2015-10-19 | 2015-12-16 | 邱林新 | Heat-dissipating circuit board assembly equipped with upper stopping sensor and lower stopping sensor |
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| C06 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20160420 |
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