CN104507292A - Chassis bracket device for cabinet - Google Patents
Chassis bracket device for cabinet Download PDFInfo
- Publication number
- CN104507292A CN104507292A CN201410774990.4A CN201410774990A CN104507292A CN 104507292 A CN104507292 A CN 104507292A CN 201410774990 A CN201410774990 A CN 201410774990A CN 104507292 A CN104507292 A CN 104507292A
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- cabinet
- swivel nut
- spring
- steel ball
- nut
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Abstract
The invention relates to the field of a modularized electric cabinet and especially relates to a chassis bracket device for a cabinet. The chassis bracket device for the cabinet comprises a bracket and a locker assembled on a front part of the bracket, wherein the locker comprises a lock rod and a lock cap; a locking opening is formed in the front end of the lock cap; a thread sleeve is threaded on the lock rod; a force-limiting spring, a pressing slice, a driving slice, a rotary cap and an output sleeve are also arranged on the thread sleeve; a stopping wall is arranged between the two ends of the rotary cap; a mounting hole is formed in the stopping wall; a driving steel ball is arranged in the mounting hole; the pressing slice and the driving slice are respectively arranged on the two sides of the stopping wall; the driving slice and the thread sleeve are in rotation-stopping fit with each other; a ball slot corresponding to the steel ball is formed in the driving slice; the force-limiting spring is jacked between one side of the pressing slice away from the steel ball and the thread sleeve; a locking hook pushing pressing structure which is matched with a locking hook on the corresponding chassis and is used for pushing the chassis is arranged on the output sleeve; a transmitting structure which is used for driving the output sleeve to move forward is arranged on the thread sleeve. The chassis bracket device is used for solving the problem of poor boosting capacity and incapacity of limiting force through boosting of the present chassis bracket device for the cabinet.
Description
Technical field
The present invention relates to modular electrical rack field, particularly relate to a kind of cabinet bracket system for rack.
Background technology
Along with modularization, the miniaturization of each class of electronic devices, electronic equipment chassis obtains and applies very widely in electronic equipment case (regulator cubicle).In concrete use procedure, in order to realize bulk handling and replacing, in rack, equal layering is equipped with cabinet bracket system, the rear side of cabinet bracket system is provided with electric connector, electronic equipment chassis is all coordinate with the electric connector on cabinet bracket set in rack the introducing realizing electronic equipment chassis by the electric connector set by its rear end, this structural requirement electronic equipment chassis must have reliable fixed mechanism when being assembled on rack, therefore cabinet bracket system include bracket and be assemblied on bracket, for locking the locker of cabinet.
Shown in Fig. 1 is a kind of common locker be located at for electronic equipment chassis locking on cabinet bracket in prior art, this locker comprises lock 51, locking bar 52, latch closure and nut 53, nut 53 is coordinated by ratchet with between latch closure, in addition, nut interior is also provided with spring, when using, namely coordinated with the locking bail 54 on cabinet by latch closure by turn nut and latch closure, now the spring generation pretightning force of nut interior prevents nut loosening from can realize fixing cabinet.Although this kind of locker can realize the locking to cabinet, but it is limited in one's ability that it pushes boosting in the process of rack at cabinet, particularly this locker portion possesses stressed excessive function when restriction cabinet pushes, in the process used, once occur utilizing brute-force or instrument to insert the situation of cabinet by force, cabinet axially loaded then can be caused excessive, damage the problem of the rear board of the respective brackets of electric connector contact and rack.
In sum, there is boosting ability in the current cabinet bracket system for electric cabinet, boosting cannot the problem of limiter.
Summary of the invention
The object of the present invention is to provide a kind of cabinet bracket system for rack, to solve the existing cabinet bracket system boosting ability for electric cabinet, boosting cannot the problem of limiter.
In order to solve the problem, cabinet bracket system for rack of the present invention is by the following technical solutions: for the cabinet bracket system of rack, comprise bracket and the locker being assemblied in bracket front part, locker comprises locking bar and lock nut, locking bar is hinged on bracket front part, lock nut front end is provided with the locking mouth for coordinating with the locking bail on cabinet, on locking bar, Screw assembly has swivel nut, swivel nut is also equipped with limiter spring, compressing tablet, driver blade, rotating turncap and output cover, retaining wall is provided with between the two ends of turncap, retaining wall is provided with penetrating installing hole and in installing hole, is equipped with transmission steel ball, compressing tablet and driver blade are divided into retaining wall both sides, wherein driver blade which is provided with the ball groove corresponding with steel ball with the spin-ended cooperation of swivel nut, limiter spring top is contained in compressing tablet and deviates between the side of steel ball and swivel nut, export to put to be provided with and push structure for coordinating with the locking bail on corresponding cabinet with the locking bail promoting cabinet, swivel nut is provided with for ordering about the drive mechanism exporting and overlap and move forward.
Described drive mechanism is the gear edge be located on swivel nut, and be provided with rotating actuator between the rear end that gear edge and output are overlapped, described rotating actuator comprises retainer and is assemblied in the ball of retainer side.
Described limiter spring is dished spring assembly.
Described dished spring assembly comprises the disc spring that two or more is arranged side by side and the stabilization be clipped between adjacent disc spring.
One end deviating from the locking mouth of lock nut of described swivel nut is equipped with spring supporting cover, and limiter spring coordinates top to be contained between swivel nut and compressing tablet by overlapping with spring supporting.
One in described spring supporting cover and swivel nut is provided with tail tooth, and another is provided with stern notch, and tail tooth closes up to be installed in corresponding stern notch and spring supporting cover is coordinated with swivel nut is spin-ended.
The movable vertically and output that is assemblied in that is anticreep forward of described lock nut puts, and exports between cover with lock nut and is top-loaded with biasing springs, biasing springs urged forward lock nut.
Because on the locking bar of the locker of the cabinet bracket system for rack of the present invention, Screw assembly has swivel nut, and be provided with retaining wall between the two ends of the turncap on swivel nut, retaining wall is provided with penetrating installing hole and in installing hole, is equipped with transmission steel ball, compressing tablet and driver blade are divided into retaining wall both sides, driver blade is with the spin-ended cooperation of swivel nut and which is provided with the ball groove corresponding with steel ball, limiter spring top is contained in compressing tablet and deviates between the side of steel ball and swivel nut, therefore, when in use, come successively through steel ball by screwing turncap, driver blade, swivel nut is finally passed to and exports cover, just can promote cabinet by output cover to insert to corresponding rack, realize boost function, in the process of boosting, once the resistance run into is overlapped in output be greater than set point, then steel ball just can skid relative to driver blade, thus cut-out transmission, reach the effect of restraining moment size, in sum, the invention solves the existing cabinet bracket system boosting ability for electric cabinet, boosting cannot the problem of limiter.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing locker;
Fig. 2 is the structural representation of the embodiment of cabinet bracket system for rack;
Fig. 3 is the stereogram of locker;
Fig. 4 is the profile of locker;
Fig. 5 is the structural representation of swivel nut;
Fig. 6 is the structural representation of turncap;
Fig. 7 is the structural representation of driver blade;
Fig. 8 is the structural representation of spring supporting cover;
Fig. 9 is the structural representation of retainer;
Figure 10 is the boosting state diagram of locker;
Figure 11 is that helping of locker pulls out state diagram;
Figure 12 is the limit for height schematic diagram that locker helps when pulling out.
Embodiment
For the embodiment of the cabinet bracket system of rack, as shown in figs. 2-12, this cabinet bracket system comprises bracket 30 and locker.
The structure of bracket is prior art, and it will not go into details herein, and locker is assemblied in the front portion of bracket.
Locker comprises locking bar 11, swivel nut 12, turncap 13, transmission steel ball 14, driver blade 15, compressing tablet 16, limiter spring 17, spring supporting cover 18, exports cover 19, retainer 20, ball 21, biasing springs 22, drive sleeve 23, lock nut 24 and lock 25.
The front end of locking bar 11 is provided with hinge hole and is provided with thread segment between two ends.
Position between the two ends of swivel nut 12 is provided with internal thread segment, thread segment on this internal thread segment and locking bar 11 in correspondence with each other, swivel nut 12 be by its internal thread segment with the coordinating of thread segment of locking bar 11 and Screw assembly on locking bar 11, due to the two all and non-fully section be provided with screw thread, therefore the rear end of locking bar 11 is also equipped with backing pin 26, thus prevents from swivel nut 12 and the thread fiting part of locking bar 11 from dividing staggering and cause swivel nut 12 and locking bar 11 to depart from.Than the above described structure, swivel nut 12 is also provided with drive mechanism, in the present embodiment, the drive mechanism on swivel nut 12 is specifically made up of along 121 gear set in its outside wall surface, and this gear is rounded and its trailing flank is provided with square spline platform 122 along 121.In order to mounting spring support set 18, the rear end of swivel nut 12 is also provided with external screw thread, and in order to prevent spring supporting from overlapping 18 automatically relative to swivel nut 12 rotational release, the rear end of swivel nut 12 is also provided with stern notch 123.
Turncap 13 comprises the cap body of tubular and is located at the cap of cap body rear end, retaining wall 131 is provided with between two ends in cap body, retaining wall 131 is provided with corresponding with transmission steel ball 14, the installing hole 132 that front and back are penetrating, transmission steel ball 14 is assemblied in corresponding installing hole, driver blade 15 to be enclosed within the front side place of retaining wall 131 on swivel nut 12 and by the gear on swivel nut 12 along 121 blocks, its trailing flank is provided with the ball groove 151 corresponding with transmission steel ball 14, in the present embodiment, the cell wall being positioned at the both sides place of corresponding transmission steel ball 14 of ball groove 151 is different relative to the angle of bottom land, specifically, its gradient being positioned at the cell wall of front side on the direction of swivel nut 12 relative to locking bar 11 precession is greater than the gradient of the cell wall of opposite side, transmission steel ball 14 is made to produce skidding at swivel nut 12 relative to being more prone to during locking bar 11 precession thus.Compressing tablet 16, limiter spring 17 and spring supporting cover 18 are assemblied on swivel nut 12 from front to back successively, wherein compressing tablet 16 to be interposed between limiter spring 17 and transmission steel ball 14 and to be pressed on transmission steel ball 14, what limiter spring 17 specifically adopted is dished spring assembly, the stabilization that dished spring assembly specifically comprises one group of disc spring and is interposed between adjacent disc spring, spring supporting cover 18 is by the rear end of Screw assembly at swivel nut 12, after spinning puts in place, it ploughs under by being closed up by the tail tooth 181 set by rear end, and to realize with swivel nut 12 to the stern notch of swivel nut 12 locking, limiter spring 17 is in compressive state, making limiter spring 17 in fact push up thus has been contained between swivel nut 12 and compressing tablet 16, in the process rotating turncap 13, if the resistance that swivel nut 12 runs into is lower than set point, then can be formed from turncap 13 successively to transmission steel ball 14, the drive path of driver blade 15 and swivel nut 12, swivel nut 12 can be ordered about by rotation turncap 13 to rotate relative to locking bar 11, when the resistance that swivel nut 12 runs into is enough large, then transmission steel ball 14 skids relative to driver blade 15, thus cut off the transmission of fortune merit.Known by illustrating above, turncap 13 and transmission steel ball 14, driver blade 15, compressing tablet 16, limiter spring 17 and spring supporting overlaps the transmission mechanism that 18 together form limiter square, by designing the size of the decrement of limiter spring 17 and pressure just adjustable institute limiter square.
Export the front portion that cover 19 is assemblied in swivel nut 12, its gear being specifically positioned at swivel nut 12 is along front, when swivel nut 12 moves forward, then export cover 19 to travel forward together under the effect of swivel nut 12, in the present embodiment, rotating actuator is provided with between gear edge and the rear end exporting cover 19, rotating actuator is made up of above-mentioned retainer 20 and ball 21, wherein the side of the close ball 21 of retainer 20 is provided with the ball grooves 201 corresponding with ball 21, to be assembled complete after, retainer 20, ball 21 and gear are along in substance form the structure being similar to thrust bearing, can avoid exporting cover 19 thus rotate together with swivel nut 12 and only travel forward with swivel nut 12, wherein ball 21 and retainer 20 are fixed on swivel nut 12 by jump ring 27.In addition, output cover 19 is also provided with and pushes structure for coordinating with the locking bail on corresponding cabinet with the locking bail promoting cabinet, in the present embodiment, this pushing structure is specifically made up of a step surface, this step surface is then by arranging annular groove 191 in the outside wall surface exporting cover, be made up of the trailing flank of annular groove 191, when use, can coordinate with the locking bail on corresponding cabinet by pushing structure and realize boosting when cabinet is assembled.Than the above described structure, the stopper slot 192 cover 19 being also provided with annular at the rear side place of above-mentioned annular groove is exported.
Drive sleeve 23 is fixedly assemblied in by circlip 28 and exports the rear end of cover 19, turns edge in its rear end is provided with, this is interior turn edge the rear that is positioned at ball and with swivel nut 12 forward anticreep coordinates, make simultaneously output cover 19 and swivel nut 12 forward anticreep coordinate.
Lock nut 24 is assemblied in and exports on cover 19, it assembles porose back-up ring 29 and passing hole back-up ring 29 coordinate with the stopper slot on output cover 19 and anticreep is assemblied in and exports on cover 19, biasing springs 22 top is contained in urged forward lock nut 24 between drive sleeve and lock nut, in the present embodiment, what biasing springs 22 specifically adopted is ripple spring.
Lock 25 is in use for being fixedly assemblied in bracket 30, in the present embodiment, lock 25 comprises the free bearing on the connecting plate downside of the connecting plate at top, connecting plate is provided with bolt connecting hole, free bearing is provided with lockhole 251, in the present embodiment, lockhole 251 be divided into the upper fulcrum portion 2510, the lower fulcrum part 2511 that arrange one on the other and be connected in, transition portion between fulcrum portion, wherein go up the front place that fulcrum portion is positioned at lower fulcrum part, locking bar 11 coordinated with the lockhole of lock 25 by bearing pin 31 and hinge mounted on lock 25.
Shown in Fig. 9-12 is this using state figure for the cabinet bracket system of rack.Lock 25 is fixedly assemblied on bracket 30, cabinet 32 is provided with locking bail 33, when needs insert cabinet 32 in rack, the bearing pin 31 between locking bar 11 and lock 25 is made to be positioned at the lower fulcrum part place of lockhole, clockwise precession turncap, then turncap passes through steel ball successively, driver blade, swivel nut, ball, retainer driver output cover comes to coordinate with locking bail to carry out boosting to cabinet, thus complete pushing cabinet, after cabinet has pushed, then the resistance exported suffered by cover becomes large instantaneously, thus make steel ball start to skid relative to driver blade, and then prevent cabinet to be damaged, play the effect of protection cabinet, it is to be noted, in the process advancing cabinet, lock nut is pressed on locking bail all the time, thus can prevent cabinet from being levered up.When needs unloading cabinet, bearing pin between locking bar and lock is moved to the upper fulcrum office of lockhole, locking bail is hooked by the front side wall of the annular groove on output shaft, then counterclockwise turn turncap backward, then turncap passes through steel ball successively, driver blade, retainer, Ball Transmission cover, jump ring and pull back export cover, final realization is pulled out helping of cabinet unloading, helping in the process of pulling out, the cooperation position place of lock nut and locking bail forms first and limits a little 101, the cooperation position place of the rearward end of locking bar and lock forms second and limits a little 102, thus can prevent cabinet from the process of movement, being damaged the electric connector at its rear portion by upwards levering up.
In other embodiment of the cabinet bracket system for rack, dished spring assembly can also not have stabilization, and dished spring assembly can also adopt the spring of other type to replace in addition; Described ball and retainer can also directly be substituted by thrust bearing or omit.
Claims (7)
1. for the cabinet bracket system of rack, comprise bracket and the locker being assemblied in bracket front part, locker comprises locking bar and lock nut, locking bar is hinged on bracket front part, lock nut front end is provided with the locking mouth for coordinating with the locking bail on cabinet, it is characterized in that, on locking bar, Screw assembly has swivel nut, swivel nut is also equipped with limiter spring, compressing tablet, driver blade, rotating turncap and output cover, retaining wall is provided with between the two ends of turncap, retaining wall is provided with penetrating installing hole and in installing hole, is equipped with transmission steel ball, compressing tablet and driver blade are divided into retaining wall both sides, wherein driver blade which is provided with the ball groove corresponding with steel ball with the spin-ended cooperation of swivel nut, limiter spring top is contained in compressing tablet and deviates between the side of steel ball and swivel nut, export to put to be provided with and push structure for coordinating with the locking bail on corresponding cabinet with the locking bail promoting cabinet, swivel nut is provided with for ordering about the drive mechanism exporting and overlap and move forward.
2. the cabinet bracket system for rack according to claim 1, it is characterized in that, described drive mechanism is the gear edge be located on swivel nut, and be provided with rotating actuator between the rear end that gear edge and output are overlapped, described rotating actuator comprises retainer and is assemblied in the ball of retainer side.
3. the cabinet bracket system for rack according to claim 1 and 2, is characterized in that, described limiter spring is dished spring assembly.
4. the cabinet bracket system for rack according to claim 3, is characterized in that, described dished spring assembly comprises the disc spring that two or more is arranged side by side and the stabilization be clipped between adjacent disc spring.
5. the cabinet bracket system for rack according to claim 1 and 2, is characterized in that, one end deviating from the locking mouth of lock nut of described swivel nut is equipped with spring supporting cover, and limiter spring coordinates top to be contained between swivel nut and compressing tablet by overlapping with spring supporting.
6. the cabinet bracket system for rack according to claim 5, it is characterized in that, one in described spring supporting cover and swivel nut is provided with tail tooth, and another is provided with stern notch, and tail tooth closes up to be installed in corresponding stern notch and spring supporting cover is coordinated with swivel nut is spin-ended.
7. the cabinet bracket system for rack according to claim 1, is characterized in that, the movable vertically and output that is assemblied in that is anticreep forward of described lock nut puts, and exports between cover with lock nut and is top-loaded with biasing springs, biasing springs urged forward lock nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410774990.4A CN104507292B (en) | 2014-12-16 | 2014-12-16 | Cabinet bracket system for rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410774990.4A CN104507292B (en) | 2014-12-16 | 2014-12-16 | Cabinet bracket system for rack |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104507292A true CN104507292A (en) | 2015-04-08 |
| CN104507292B CN104507292B (en) | 2018-01-02 |
Family
ID=52948985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410774990.4A Active CN104507292B (en) | 2014-12-16 | 2014-12-16 | Cabinet bracket system for rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104507292B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105592659A (en) * | 2016-03-11 | 2016-05-18 | 朱顺华 | Electrical cabinet device for electric power and use method thereof |
| CN105592660A (en) * | 2016-03-11 | 2016-05-18 | 朱顺华 | Intelligent electrical cabinet device and use method thereof |
| CN105611779A (en) * | 2016-03-11 | 2016-05-25 | 朱顺华 | Electrical cabinet device and application method thereof |
| CN107695921A (en) * | 2016-08-08 | 2018-02-16 | 上海辛野模具有限公司 | A kind of locking apparatus |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3734444A (en) * | 1971-06-08 | 1973-05-22 | Us Air Force | Safety locking device for airborne shockmounts |
| EP0071559A1 (en) * | 1981-07-28 | 1983-02-09 | Rexnord Inc. | Fastener of the hold-down type |
| US4534234A (en) * | 1981-07-28 | 1985-08-13 | Rexnord Inc. | Fastener of the hold-down type |
| EP0105609B1 (en) * | 1982-09-03 | 1989-03-01 | Barry Wright Corporation | Apparatus for securing an electronic unit to an avionics tray |
| CN201244744Y (en) * | 2008-08-07 | 2009-05-27 | 李雪均 | Automatic locking apparatus for lathe fixture |
| CN101709734A (en) * | 2009-12-22 | 2010-05-19 | 中国航空工业集团公司第六三一研究所 | C-type locking pull-plug device |
| WO2011123292A1 (en) * | 2010-03-29 | 2011-10-06 | Tensolite LLC | Hold-down assembly |
-
2014
- 2014-12-16 CN CN201410774990.4A patent/CN104507292B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3734444A (en) * | 1971-06-08 | 1973-05-22 | Us Air Force | Safety locking device for airborne shockmounts |
| EP0071559A1 (en) * | 1981-07-28 | 1983-02-09 | Rexnord Inc. | Fastener of the hold-down type |
| US4534234A (en) * | 1981-07-28 | 1985-08-13 | Rexnord Inc. | Fastener of the hold-down type |
| EP0105609B1 (en) * | 1982-09-03 | 1989-03-01 | Barry Wright Corporation | Apparatus for securing an electronic unit to an avionics tray |
| CN201244744Y (en) * | 2008-08-07 | 2009-05-27 | 李雪均 | Automatic locking apparatus for lathe fixture |
| CN101709734A (en) * | 2009-12-22 | 2010-05-19 | 中国航空工业集团公司第六三一研究所 | C-type locking pull-plug device |
| WO2011123292A1 (en) * | 2010-03-29 | 2011-10-06 | Tensolite LLC | Hold-down assembly |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105592659A (en) * | 2016-03-11 | 2016-05-18 | 朱顺华 | Electrical cabinet device for electric power and use method thereof |
| CN105592660A (en) * | 2016-03-11 | 2016-05-18 | 朱顺华 | Intelligent electrical cabinet device and use method thereof |
| CN105611779A (en) * | 2016-03-11 | 2016-05-25 | 朱顺华 | Electrical cabinet device and application method thereof |
| CN107695921A (en) * | 2016-08-08 | 2018-02-16 | 上海辛野模具有限公司 | A kind of locking apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104507292B (en) | 2018-01-02 |
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