CN112667045B - Electrified locking means of server machine case - Google Patents
Electrified locking means of server machine case Download PDFInfo
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- CN112667045B CN112667045B CN202011597014.8A CN202011597014A CN112667045B CN 112667045 B CN112667045 B CN 112667045B CN 202011597014 A CN202011597014 A CN 202011597014A CN 112667045 B CN112667045 B CN 112667045B
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Abstract
The invention discloses an electrified locking device of a server case, which comprises a case cover, wherein a through hole is formed in the case cover, and a limiting rubber plug is arranged in the through hole; the lock catch part is movably arranged in the case shell and can be matched with the limiting rubber plug; the support is elastically supported in the case shell and arranged on one side of the power plug of the server; wherein, the power plug of the server is connected with electricity, the bracket can be pushed, and the lock catch part is inserted into the limit rubber plug, so that the case cover is fixedly connected with the case shell. The device realizes that the case cover is locked under the condition that the external power line is inserted, thereby avoiding the possibility of part damage and danger caused by electrified misoperation.
Description
Technical Field
The invention relates to the technical field of computer safety, in particular to an electrified locking device for a server case.
Background
In order to prevent electromagnetic interference during server storage equipment, the shell of the server storage equipment is made of a metal case, a mainboard and other electronic devices are installed inside the server storage equipment, and a detachable case cover can be arranged on the case body usually so as to facilitate installation and maintenance of the mainboard and the other electronic devices.
When server products are opened for maintenance or repair, power lines are required to be pulled out, but in actual operation, the situation that operators forget to pull out power plugs does exist, if a case cover is opened for maintenance or repair, certain harmfulness and dangerousness exist, server components are easily damaged, serious people can also cause electric shock, and the consequence is very serious. The operation of opening the case of the server case in an electrified manner has certain risks for the server and an operator, so that a device is needed to be designed to prevent the server from opening the case in the electrified manner, so that economic loss caused by improper operation can be reduced, and the safety of operators can be ensured.
Disclosure of Invention
The invention provides an electrified locking device of a server case, which is characterized in that a lock catch part is arranged on one side of a power plug of the server case and matched with a limiting rubber plug arranged on a case cover, so that the case cover is fixedly connected with a case shell and is not easy to fall off or open, and the safety of the server and operators is ensured.
The technical scheme of the invention is as follows:
an electrified locking device of a server chassis comprises:
the case cover is provided with a through hole, and a limiting rubber plug is arranged in the through hole;
the lock catch part is movably arranged in the case shell and can be matched with the limiting rubber plug;
the support is elastically supported in the case shell and arranged on one side of the power plug of the server;
wherein, the power plug of the server is connected with electricity, the bracket can be pushed, and the lock catch part is inserted into the limit rubber plug, so that the case cover is fixedly connected with the case shell.
Preferably, the limiting rubber plug is provided with a stepped hole arranged along the axial direction.
Preferably, the stepped hole includes a first-order through hole, a second-order through hole and a third-order through hole which are sequentially communicated.
The inner diameter of the first-order through hole is smaller than that of the second-order through hole, and the inner diameter of the second-order through hole is smaller than that of the third-order through hole.
Preferably, the locking portion includes:
an upper column;
and the bayonet lock is integrally formed with the upper column body and is provided with a limiting mechanism.
Preferably, the limiting mechanism comprises:
the first limiting mechanism is arranged at one end of the bayonet lock, is a notch ring and can elastically contract or expand;
the second limiting mechanism is connected with the first limiting mechanism and matched with the first-order through hole;
the third limiting mechanism is connected with the second limiting mechanism and matched with the second-order through hole;
and the fourth limiting mechanism is connected with the third limiting mechanism and is matched with the third-order through hole.
Preferably, the server chassis live locking device further comprises a spring disposed between the bracket and the chassis housing.
Preferably, the length of the bayonet is calculated by the following formula:
wherein, L represents the length of the bayonet, P represents the maximum positive pressure, f represents the response coefficient, M represents the bracket length and represents the included angle between the bracket and the chassis, N represents the free length of the spring, M represents the moving depth of the power plug, K represents the elastic coefficient of the spring, v represents the average speed of the power plug, g represents the gravity acceleration, and N represents the distance from the side surface of the power plug to the shell of the chassis.
Preferably, the maximum compression length of the spring is obtained by calculation according to the formula:
wherein S represents the maximum compression length of the spring, m represents the stent length, n represents the free length of the spring, K represents the elastic coefficient of the spring, and r represents the inner diameter of the spring.
A server case comprises an electrified locking device of the server case.
The beneficial effects of the invention are:
1. the server case is internally provided with a locking part which is matched with a limiting rubber plug arranged on the case cover, and when a power plug of the server is in place, the case cover is fixedly connected with the case shell, so that the server is prevented from being opened under the condition of electrification;
2. set up the spring, when server power plug inserted, the spring received the extrusion shrink, and when server power plug extracted, the spring was stretched, and the resilience force pops out the hasp portion, and case lid and quick-witted case lid automatic unblock can realize opening and take off the case lid.
3. The electrified locking device of the server case is simple in structure, convenient to operate, low in cost and high in practicability.
Drawings
Fig. 1 is a schematic view of an electrified locking device of a server chassis provided by the invention.
Fig. 2 is a schematic structural view of a limiting rubber plug in the server chassis electrified locking device provided by the invention.
Fig. 3 is a schematic structural diagram of a locking portion in the server chassis live locking device provided by the invention.
Fig. 4 is a schematic diagram of an electrified locking device of a server chassis (with a power plug in place) according to an embodiment of the invention.
Fig. 5 is a schematic diagram of an electrified locking device of a server chassis (a power plug is not in place) according to an embodiment of the invention.
Reference numerals: the locking device comprises a locking part 100, an upper column 110, a bayonet 120, a first limiting mechanism 121, a second limiting mechanism 122, a third limiting mechanism 123, a fourth limiting mechanism 124, a spring 200, a bracket 300, a chassis shell 400, a power module 500, a chassis cover 600, a limiting rubber plug 610, a first-order through hole 611, a second-order through hole 612, a third-order through hole 613 and a power plug 700.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that in the description of the present invention, the terms "in" or "in" are used for indicating directions or positional relationships based on those shown in the drawings, which are used for convenience of description only, and do not indicate or imply that a device or an element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; may be a mechanical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The invention provides an electrified locking device for a server chassis, which is structurally shown in fig. 1 and comprises a locking part 100, a spring 200, a bracket 300, a chassis shell 400, a power supply module 500, a chassis cover 600 and a power plug 700.
As a preferred, chassis exterior 400 and case lid 600 all are equipped with the louvre, and the fan hot hole is the bell mouth, and its aperture that is located quick-witted incasement surface is greater than the aperture of machine off-box surface, more does benefit to the heat dissipation, and the both ends of louvre all are equipped with can dismantle the filter screen, both can effectively dispel the heat, can prevent again that the dust from getting into quick-witted incasement portion, prevent that the laying dust is also convenient for clear up. The chassis housing 400 is further provided with rollers to facilitate movement of the chassis.
A limiting rubber plug 610 is arranged in a through hole of the further case cover, the structure of the limiting rubber plug is shown in fig. 2, an axial stepped hole is arranged in the limiting rubber plug 610 and comprises a first-order through hole 611, a second-order through hole 612 and a third-order through hole 613 which are sequentially communicated, wherein the inner diameter of the first-order through hole 611 is smaller than that of the second-order through hole 612, and the inner diameter of the second-order through hole 612 is smaller than that of the third-order through hole 613.
Preferably, the limiting rubber plug 610 is made of an elastic material, the first-order through hole 611 and the second-order through hole 612 are cylindrical holes with fixed diameters, the third-order through hole 613 is a variable-diameter cylindrical hole, the diameter of the through hole is increased in an extending mode towards the tail end of the limiting rubber plug along the axial direction of the through hole, the design is favorable for the bayonet lock to be smoothly inserted into the limiting rubber plug 610 and locked, and the use is safer and more reliable.
Further, the structure of the locking portion 100 is as shown in fig. 3, and includes an upper column 110 and a lower column 120, and the lower column 120 is provided with a first limiting mechanism 121, a second limiting mechanism 122, a third limiting mechanism 123 and a fourth limiting mechanism 124.
Preferably, the first limiting mechanism 121 is arranged at one end of the bayonet 120, is a notched ring, and can elastically contract or expand; the second limiting mechanism 122 is connected with the first limiting mechanism 121 and is matched with the first-order through hole 611; the third limiting mechanism 123 is connected with the second limiting mechanism 122 and is matched with the second-order through hole 612; the fourth limiting mechanism 124 is connected to the third limiting mechanism 123 and cooperates with the third through hole 613.
Preferably, the lower cylinder 110 is of a cylindrical design, and the outer diameter of the lower cylinder 110 is larger than the maximum inner diameter of the three-step through hole 613 of the stopper 610.
The working process of the server case electrified locking device is based on the device shown in fig. 1, and comprises the following steps:
the bracket 300 is pressed to move towards the outside of the chassis, the locking part 100 is driven to insert into the limiting rubber plug 610, the chassis cover 600 and the chassis shell 400 are locked, and the spring 200 is compressed.
When the pressure is released, the spring 200 expands, the driving bracket 300 moves toward the inside of the housing, and the locking portion 100 is ejected.
The length of the clamping pin is calculated and obtained by the following formula:
wherein, L represents the length of the bayonet, P represents the maximum positive pressure, f represents the response coefficient, M represents the bracket length and represents the included angle between the bracket and the chassis, N represents the free length of the spring, M represents the moving depth of the power plug, K represents the elastic coefficient of the spring, v represents the average speed of the power plug, g represents the gravity acceleration, and N represents the distance from the side surface of the power plug to the shell of the chassis.
The maximum compression length of the spring is obtained by calculation, and the calculation formula is as follows:
wherein S represents the maximum compression length of the spring, m represents the stent length, n represents the free length of the spring, K represents the elastic coefficient of the spring, and r represents the inner diameter of the spring.
In one embodiment, the server chassis with the electric locking device is shown in fig. 4, which includes a locking portion 100, a spring 200, a bracket 300, a chassis housing 400, a power module 500, a chassis cover 600 and a power plug 700.
As shown in fig. 4, the chassis cover and the bracket 300 have one end fixedly connected to the locking portion 100 and the other end fixedly connected to the chassis housing 400. The spring is elastically supported between the bracket 300 and the cabinet case 400. The power plug 700 is inserted, the support 300 is displaced towards the chassis cover 400 under the pressure, the locking part 100 is driven to pop out of the chassis cover 400, the limiting rubber plug 610 on the chassis cover 600 is inserted, the chassis cover 400 is fixedly connected with the chassis cover 600, the spring 200 is compressed at the moment, the server is electrified, the chassis cover 600 cannot be opened, and the safety of server components and operators is guaranteed.
In another embodiment, the server chassis with the electric locking device is shown in fig. 5, which includes a locking portion 100, a spring 200, a bracket 300, a chassis housing 400, a power module 500, a chassis cover 600 and a power plug 700.
As shown in fig. 5, one end of the bracket 300 is fixedly connected to the locking portion 100, and the other end is fixedly connected to the casing 400. The spring is elastically supported between the bracket 300 and the cabinet case 400. The power plug 700 is pulled out, the pressure of the support 300 is relieved, the spring 200 stretches, the tension of the spring drives the box case shell 400 of the support 300 to move in the opposite direction, the locking part 100 can be bounced to separate from the limiting rubber plug 610 on the case cover 600, the box case shell 400 is unlocked with the case cover 600, the server is not electrified at the moment, and the case cover 600 can be safely opened.
A server case comprises the server case electrified locking device in any one of the above embodiments, and realizes the server case electrified locking function.
The bracket 300 is pressed to move towards the outer side of the case, the locking part 100 is driven to move and be inserted into the limiting rubber plug 610 for matching, and the spring 200 is compressed.
When the pressure is released, the spring 200 expands, the driving bracket 300 moves toward the inside of the housing, and the locking portion 100 is ejected.
Wherein, the length of the bayonet lock is obtained by the following calculation formula:
wherein L represents the length of the bayonet lock, P represents the maximum positive pressure, f represents the response coefficient, M represents the length of the bracket and represents the included angle between the bracket and the chassis, N represents the free length of the spring, M represents the moving depth of the power plug, K represents the elastic coefficient of the spring, v represents the average speed of the power plug, g represents the gravitational acceleration, and N represents the distance from the side surface of the power plug to the shell of the chassis.
The maximum compression length of the spring is obtained by calculation, and the calculation formula is as follows:
the device switch is arranged between the power connector of the server and the case cover, so that the case cover can not be opened under the condition that an external power line is not pulled out, and the possibility of component damage and danger caused by electrified misoperation is avoided. Meanwhile, the situation that the parts are damaged and even the personal safety is endangered due to the fact that the electrified misoperation occurs under the condition that an external power line is not pulled out can be avoided. The electrified locking device of the server case provided by the invention has the advantages of simple structure, convenience in installation and operation, lower cost, wide trial range and wide application value.
The above descriptions are only examples of the present invention, and common general knowledge of known specific structures, characteristics, and the like in the schemes is not described herein too much, and it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Without departing from the invention, several changes and modifications can be made, which should also be regarded as the protection scope of the invention, and these will not affect the effect of the invention and the practicality of the patent.
The embodiments in the specification are described in a progressive manner, the emphasis of each embodiment is on different points from other embodiments, and the same and similar parts among the embodiments can be referred to each other. For the control method disclosed by the embodiment, since the control method corresponds to the device disclosed by the embodiment, the description is simple, and for the relevant part, reference is made to the device part for description, it should be noted that, for a person skilled in the art, a plurality of improvements and modifications can be made to the present application without departing from the principle of the present invention, and these improvements and modifications also fall into the protection scope of the claims of the present application.
Claims (9)
1. An electrified locking device of a server chassis comprises:
the case cover is provided with a through hole, and a limiting rubber plug is arranged in the through hole;
the lock catch part is movably arranged in the case shell and can be matched with the limiting rubber plug;
the support is elastically supported in the case shell and arranged on one side of a power plug of the server, one end of the support is fixedly connected with the lock catch part, and the other end of the support is fixedly connected with the case shell;
the spring is elastically supported between the bracket and the chassis shell;
the server power plug is connected with electricity, the support can be pushed, the lock catch part is inserted into the limiting rubber plug, and the case cover is fixedly connected with the case shell;
the server power plug is inserted, the support is pressed to move towards the chassis shell, the lock catch part is driven to pop out of the chassis shell and be inserted into the limiting rubber plug on the chassis cover, the chassis shell is fixedly connected with the chassis cover, the spring is compressed, the server is electrified, and the chassis cover cannot be opened.
2. The server chassis live locking device of claim 1, wherein the stopper has an axially disposed stepped hole.
3. The server chassis live locking device of claim 2, wherein the stepped hole comprises a first-order through hole, a second-order through hole and a third-order through hole which are communicated in sequence;
the inner diameter of the first-order through hole is smaller than that of the second-order through hole, and the inner diameter of the second-order through hole is smaller than that of the third-order through hole.
4. The server chassis live locking apparatus of claim 3, wherein the locking portion comprises:
an upper column;
and the bayonet lock is integrally formed with the upper column body and is provided with a limiting mechanism.
5. The server chassis live locking apparatus of claim 4, wherein the limiting mechanism comprises:
the first limiting mechanism is arranged at one end of the bayonet lock, is a notch ring and can elastically contract or expand;
the second limiting mechanism is connected with the first limiting mechanism and matched with the first-order through hole;
the third limiting mechanism is connected with the second limiting mechanism and matched with the second-order through hole;
and the fourth limiting mechanism is connected with the third limiting mechanism and is matched with the third-order through hole.
6. The server chassis hot-latching system of claim 5, further comprising a spring disposed between the bracket and the chassis housing.
7. The server chassis hot-latching apparatus of claim 6, wherein the length of the latch is calculated by the following equation:
wherein L represents the length of the bayonet, P represents the maximum positive pressure, f represents the response coefficient, M represents the length of the bracket, represents the included angle between the bracket and the case, n represents the free length of the spring, M represents the moving depth of the power plug, K represents the elastic coefficient of the spring,
the average speed of the power plug insertion is shown, g represents the gravitational acceleration, and N represents the distance from the side surface of the power plug to the chassis housing.
8. The server chassis live locking apparatus of claim 7, wherein the maximum compression length of the spring is obtained by calculation according to the formula:
wherein S represents the maximum compression length of the spring, m represents the stent length, n represents the free length of the spring, K represents the elastic coefficient of the spring, and r represents the inner diameter of the spring.
9. A server chassis comprising the server chassis live latch of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011597014.8A CN112667045B (en) | 2020-12-28 | 2020-12-28 | Electrified locking means of server machine case |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011597014.8A CN112667045B (en) | 2020-12-28 | 2020-12-28 | Electrified locking means of server machine case |
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| Publication Number | Publication Date |
|---|---|
| CN112667045A CN112667045A (en) | 2021-04-16 |
| CN112667045B true CN112667045B (en) | 2022-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011597014.8A Active CN112667045B (en) | 2020-12-28 | 2020-12-28 | Electrified locking means of server machine case |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106502336A (en) * | 2016-10-12 | 2017-03-15 | 天津海悦百川科技发展有限公司 | Computer housing with locking system |
| CN208766588U (en) * | 2018-10-30 | 2019-04-19 | 合肥恒研智能科技有限公司 | A kind of reinforcing server selection mounting structure |
| CN210038653U (en) * | 2019-06-27 | 2020-02-07 | 苏州浪潮智能科技有限公司 | Server upper cover |
| CN210470073U (en) * | 2019-08-22 | 2020-05-05 | 中广核研究院有限公司 | Case plug-in components locking mechanism |
-
2020
- 2020-12-28 CN CN202011597014.8A patent/CN112667045B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106502336A (en) * | 2016-10-12 | 2017-03-15 | 天津海悦百川科技发展有限公司 | Computer housing with locking system |
| CN208766588U (en) * | 2018-10-30 | 2019-04-19 | 合肥恒研智能科技有限公司 | A kind of reinforcing server selection mounting structure |
| CN210038653U (en) * | 2019-06-27 | 2020-02-07 | 苏州浪潮智能科技有限公司 | Server upper cover |
| CN210470073U (en) * | 2019-08-22 | 2020-05-05 | 中广核研究院有限公司 | Case plug-in components locking mechanism |
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| CN112667045A (en) | 2021-04-16 |
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