CN112223169B

CN112223169B - Dismounting and mounting jig for clamping mainboard

Info

Publication number: CN112223169B
Application number: CN202011040313.1A
Authority: CN
Inventors: 万虎
Original assignee: Inspur Electronic Information Industry Co Ltd
Current assignee: Inspur Electronic Information Industry Co Ltd
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2022-06-10
Anticipated expiration: 2040-09-28
Also published as: CN112223169A

Abstract

The invention discloses a main board clamping and dismounting jig which comprises a stay bar, a sliding sleeve, an upper pressing cover plate, a plurality of lower pressing bottom plates and a connecting rod mechanism, wherein the sliding sleeve is slidably sleeved on the stay bar, the upper pressing cover plate is fixed at the front end of the stay bar and used for pressing a foolproof hole formed in the surface of the main board, the lower pressing bottom plates are rotatably arranged at the front end of the stay bar and used for extending out of the foolproof hole and then rotating to press the bottom surface of a main body, and the connecting rod mechanism is connected between the sliding sleeve and each lower pressing bottom plate and used for driving each lower pressing bottom plate to synchronously rotate when the sliding sleeve slides on the stay bar. So, compress tightly under the effect when last gland plate and bottom plate to mainboard surface and bottom surface down, tightly clip the mainboard wholly, later draw and draw the vaulting pole and can take the monoblock mainboard and pull. Compared with the prior art, the installation area of the mainboard is saved, the occupation of the installation area of the server mainboard is reduced, and the production cost is reduced; simultaneously can used repeatedly, press from both sides and get different mainboards.

Description

Dismounting and mounting jig for clamping mainboard

Technical Field

The invention relates to the technical field of servers, in particular to a main board clamping, dismounting and mounting jig.

Background

With the development of the electronic technology in China, more and more electronic devices have been widely used.

Servers are important components in electronic devices, and are devices that provide computing services. Since the server needs to respond to and process the service request, the server generally has the capability of assuming and securing the service. The server is divided into a file server, a database server, an application program server, a WEB server and the like according to different service types provided by the server.

In the big data era, a large number of IT devices are centrally located in a data center. These data centers include various types of servers, storage, switches, and a large number of cabinets and other infrastructure. Each IT device is composed of various hardware board cards, such as a computing module, a memory module, a storage module, a chassis and the like.

At present, the part on the mainboard is more and more, leads to layout's the line space to be littleer and more, and electronic components's installation space is also reducing gradually, consequently optimizes the mainboard structure, and furthest's utilization mainboard space becomes important research direction.

In prior art, when dismouting server mainboard, for the convenience clamp is got, generally all is provided with a plurality of handle on the server mainboard, so leads to each handle to occupy the installation area of mainboard to because must avoid the space that the finger stretched into, therefore electronic components around the handle of server mainboard all will keep away the position, lead to the installation space of server mainboard to be compressed seriously. Meanwhile, a part of server main boards are provided with the security cards, and the design criteria of the security cards require to be fool-proof, so that fool-proof holes are additionally formed in the part of server main boards, and ports of the security cards are inserted into the fool-proof holes to be installed and positioned when the security cards are installed. However, after the security card is detached or when the security card does not need to be installed, the opening of the fool-proof hole inevitably wastes the installation area of the server motherboard. In addition, if the handle is additionally installed on the server mainboard, SMT process installation is needed, the cost is high, the installed handle not only occupies the area of the server mainboard, but also can be used only when the current mainboard is taken and placed, and the utilization rate is low.

Therefore, how to reduce the occupation of the installation area of the server mainboard on the basis of simply and conveniently completing the operation of taking, placing, dismounting and mounting the server mainboard is a technical problem faced by technical personnel in the field.

Disclosure of Invention

The invention aims to provide a mainboard clamping, dismounting and mounting jig which can reduce the occupation of the installation area of a server mainboard on the basis of simply and conveniently completing the operation of taking, placing, dismounting and mounting the server mainboard.

In order to solve the technical problem, the invention provides a main board clamping, dismounting and mounting jig which comprises a stay bar, a sliding sleeve slidably sleeved on the stay bar, an upper pressing cover plate fixed at the front end of the stay bar and used for pressing a foolproof hole formed in the surface of a main board, a plurality of lower pressing bottom plates rotatably arranged at the front end of the stay bar and used for extending out of the foolproof hole and then rotating to press the bottom surface of the main body, and a connecting rod mechanism connected between the sliding sleeve and each lower pressing bottom plate and used for driving each lower pressing bottom plate to synchronously rotate when the sliding sleeve slides on the stay bar.

Preferably, the link mechanism comprises a first link and a second link, one end of the first link is rotatably connected with the outer wall of the sliding sleeve, the other end of the first link is rotatably connected with one end of the second link, and the other end of the second link is rotatably connected with the corresponding lower pressing bottom plate.

Preferably, the first connecting rods and the second connecting rods are provided in plurality, each first connecting rod is connected to two radial sides of the sliding sleeve, and each second connecting rod is located on two radial sides of the stay bar.

Preferably, the rotating direction of the lower press base plate connected with the second connecting rod on one side is opposite to that of the lower press base plate connected with the second connecting rod on the other side.

Preferably, the bottom plate includes the clamp plate, connects extension rod on the clamp plate, set up in the extension rod is terminal and with the first pinhole of the front end tip rotation connection of vaulting pole, set up in the extension rod middle part and with the second pinhole of the other end rotation connection of second connecting rod.

Preferably, the end part of the front end of the stay bar is connected with the first pin hole through a pin shaft, and the other end of the second connecting rod is connected with the second pin hole through the pin shaft.

Preferably, a protective layer for preventing abrasion of the bottom surface of the main board is arranged on the surface of each bottom pressing plate.

Preferably, the surface of the upper pressure cover plate is provided with a limit ring plate, the limit ring plate is arranged on the surface of the limit ring plate and sleeved with the limit sleeve at the front end of the support rod, the threaded hole is formed in the side wall of the limit sleeve, and the upper pressure cover plate is matched with the threaded hole and is fixed on the support rod through the abutting joint of the outer wall of the front end of the support rod.

Preferably, the bottom surface of the upper gland plate is provided with an elastic cushion plate.

Preferably, the rear end of the stay bar and the outer wall of the sliding sleeve are provided with handle bars distributed along the radial direction.

The invention provides a main board clamping, dismounting and mounting jig which mainly comprises a support rod, a sliding sleeve, an upper pressing cover plate, a lower pressing bottom plate and a connecting rod mechanism. Wherein, the stay bar is the main body structure of the jig, and is generally in a shape of a slender rod. The sliding sleeve is sleeved on the support rod and can slide on the support rod in a reciprocating mode along the axial direction of the support rod. Go up the gland plate and fix the front end region at the vaulting pole, mainly used compresses tightly on the mainboard surface along with the application of force of user to the vaulting pole and prevents slow-witted hole position department, applys vertical decurrent pressure to the mainboard to go up gland plate center trompil, so that the end of vaulting pole exposes. The bottom plate that pushes down sets up the front end tip at the vaulting pole to can carry out rotary motion, after the front end of vaulting pole drove the bottom plate that pushes down and stretches out from preventing slow-witted hole, accessible rotary motion is to hugging closely on the bottom surface of mainboard, exerts vertical ascending pressure to the mainboard. The connecting rod mechanism is connected between the sliding sleeve and the pressing bottom plate, mainly plays a role of a transmission chain, and drives the pressing bottom plate to synchronously rotate when the sliding sleeve slides on the supporting rod, so that the pressing bottom plate is driven to be tightly attached to the bottom surface of the main plate. So, compress tightly under the effect when last gland plate and bottom plate to mainboard surface and bottom surface down, tightly clip the mainboard wholly, later draw and draw the vaulting pole and can take the monoblock mainboard and pull. Compared with the prior art, the server mainboard installation structure reasonably utilizes the fool-proof holes formed in the mainboard, avoids waste of installation space, and does not need to additionally install a handle on the mainboard, so that the installation area of the mainboard is saved, the occupation of the installation area of the server mainboard is reduced, and the production cost is reduced; simultaneously, this tool easy operation, the user can simply, conveniently accomplish the operation of getting to put dismouting server mainboard to can used repeatedly, press from both sides and get different mainboards.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is an exploded schematic view of an embodiment of the present invention.

Fig. 2 is a schematic structural view of the jig before the jig clamps the motherboard.

Fig. 3 is a partial structural schematic diagram of fig. 2.

Fig. 4 is a schematic structural view of the jig after clamping the main board.

Fig. 5 is a bottom view of fig. 4.

Fig. 6 is a top view of fig. 4.

Fig. 7 is a side view of fig. 4.

Wherein, in fig. 1-7:

the device comprises a main board-1, a support rod-2, a sliding sleeve-3, an upper gland plate-4, a lower gland plate-5, a link mechanism-6, a pin shaft-7 and a handle rod-8;

foolproof hole-11, limit ring plate-41, limit sleeve-42, threaded hole-43, adjusting nut-44, elastic cushion plate-45, guide post-46, pressure plate-51, extension rod-52, first pin hole-53, second pin hole-54, first connecting rod-61, second connecting rod-62.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.

Referring to fig. 1, fig. 1 is an exploded schematic view of an embodiment of the present invention.

In a specific embodiment of the present invention, the main board clamping, dismounting and mounting fixture mainly includes a supporting rod 2, a sliding sleeve 3, an upper cover plate 4, a lower bottom plate 5, and a link mechanism 6.

The stay bar 2 is a main body structure of the jig, and generally has a slender rod shape.

The sliding sleeve 3 is sleeved on the stay bar 2 and can slide on the stay bar 2 in a reciprocating manner along the axial direction of the stay bar.

The upper gland plate 4 is fixed in the front end area of the stay bar 2, is mainly used for applying vertical downward pressure to the main board 1 along with the position of the fool-proof hole 11 pressed on the surface of the main board 1 by the force application of a user to the stay bar 2, and is provided with a hole in the center of the upper gland plate 4 so as to expose the tail end of the stay bar 2.

The bottom plate 5 sets up the front end tip at vaulting pole 2 to can carry out rotary motion, drive the bottom plate 5 and follow the fool-proof hole 11 back of stretching out down when the front end of vaulting pole 2, accessible rotary motion is to hugging closely on the bottom surface of mainboard 1, exerts vertical ascending pressure to mainboard 1. Generally, the hold-down base 5 is provided with a plurality of, for example, 2 or more, so as to hold down the bottom surface of the main board 1 at different positions at the same time, thereby increasing the holding-down force and equalizing the holding-down area.

The link mechanism 6 is connected between the sliding sleeve 3 and the pressing bottom plate 5, and mainly plays a role of a transmission chain, and when the sliding sleeve 3 slides on the supporting rod 2, the pressing bottom plate 5 is driven to synchronously rotate, so that the pressing bottom plate 5 is driven to be tightly attached to the bottom surface of the main board 1.

So, compress tightly under the effect in the time of pressing down 4 and the bottom plate 5 to 1 surface of mainboard and bottom surface at last gland plate, tightly clip mainboard 1 wholly, later draw and draw vaulting pole 2 and can take monoblock mainboard 1 and pull. Compared with the prior art, the embodiment reasonably utilizes the fool-proof hole 11 formed in the mainboard 1, avoids the waste of installation space, and does not need to additionally install a handle on the mainboard 1, thereby saving the installation area of the mainboard 1, reducing the occupation of the installation area of the mainboard and reducing the production cost; simultaneously, this tool easy operation, the user can simply, conveniently accomplish the operation of getting and put the dismouting mainboard to can used repeatedly, press from both sides different mainboards and get.

It should be noted that, the dismounting and mounting jig for clamping the server motherboard provided by this embodiment not only can be applicable to the fool-proof hole 11 on the motherboard 1, but also can be applicable to other similar holes on the motherboard 1 (other similar boards).

As shown in fig. 2 and 4, fig. 2 is a schematic structural view before the jig clamps the motherboard 1, and fig. 4 is a schematic structural view after the jig clamps the motherboard 1.

In a preferred embodiment with regard to the link mechanism 6, the link mechanism 6 mainly includes a first link 61 and a second link 62. Wherein, the outer wall of the sliding sleeve 3 at one end of the first connecting rod 61 is rotatably connected, meanwhile, the other end of the first connecting rod 61 is rotatably connected with one end of the second connecting rod 62, and the other end of the second connecting rod 62 is rotatably connected with the corresponding lower pressing bottom plate 5. So set up, when the user upwards lifts the sliding sleeve 3 hard, can exert axial (generally vertical) ascending pulling force simultaneously to each first connecting rod 61 through the sliding sleeve 3, through the transmission back of first connecting rod 61 with second connecting rod 62, pulling force transmission to the bottom plate 5 department of pushing down for each bottom plate 5 of pushing down upwards rotates, until the bottom surface of hugging closely mainboard 1.

In order to ensure that the tail end of the second connecting rod 62 can smoothly pull the lower press plate 5 upwards, the specific connection position of the tail end of the second connecting rod 62 and the lower press plate 5 is located in the central approaching area of the lower press plate 5, so that in a natural state, the first connecting rod 61 and the second connecting rod 62 form a certain included angle, and the second connecting rod 62 and the lower press plate 5 also form a certain included angle, thereby avoiding the situation that the second connecting rod 62 and the lower press plate 5 are connected into a straight line to form a 'transmission dead point'.

In addition, since the push-down plate 5 is generally provided in plural, the first link 61 and the second link 62 are also provided in plural at the same time. Further, in order to avoid the occurrence of the motion interference, the first links 61 are respectively connected to both sides of the sliding sleeve 3 in the radial direction, and correspondingly, the second links 62 are respectively located at both sides of the stay 2 in the radial direction.

Further, the first connecting rod 61 and the second connecting rod 62 on one side of the brace 2 and the first connecting rod 61 and the second connecting rod 62 on the other side of the brace 2 form a central symmetrical structure, so that the rotation direction of the lower press plates 5 connected with the second connecting rod 62 on one side is opposite to the rotation direction of the lower press plates 5 connected with the second connecting rod 62 on the other side, that is, the two lower press plates 5 are driven by the respective second connecting rods 62 to respectively rotate outwards and cling to different positions of the bottom surface of the main plate 1.

As shown in fig. 3 and 5, fig. 3 is a partial schematic structural view of fig. 2, and fig. 5 is a bottom view of fig. 4.

In a preferred embodiment with respect to the push-down bottom plate 5, the push-down bottom plate 5 mainly includes a pressure plate 51, an extension rod 52, a first pin hole 53, and a second pin hole 54. Wherein. The pressing plate 51 is a main structure of the pressing bottom plate 5, has a large surface area, and is mainly used for being tightly attached to the bottom surface of the main plate 1. The extension bar 52 is connected to a side wall of the pressing plate 51 and has a certain length. The first pin hole 53 is opened at the end position of the extension rod 52, and is mainly used for forming a rotary connection with the front end part of the stay rod 2. And a second pin hole 54 is formed at a central portion of the extension rod 52, and is mainly used for forming a rotational connection with the other end of the second link 62.

Specifically, in this embodiment, a pin 7 is disposed on the front end of the stay bar 2, the first pin holes 53 of the bottom plates 5 are sleeved on the pin 7, and the first pin holes 53 of the bottom plates 5 are distributed along the axial direction of the pin 7. Similarly, the second connecting rod 62 and the second pin hole 54 of the lower base plate 5 can also be rotatably connected through the pin 7.

In addition, in order to prevent the surface of the pressing plate 51 from wearing the circuit of the motherboard 1 when the pressing plate 51 is pressed against the bottom surface of the motherboard 1, the present embodiment further provides a protective layer on the surface of each pressing plate 51. Specifically, the protective layer may be a polyurethane layer or a rubber layer.

As shown in fig. 6 and 7, fig. 6 is a plan view of fig. 4, and fig. 7 is a side view of fig. 4.

In a preferred embodiment with respect to the upper gland plate 4, the present embodiment is provided with a retainer ring plate 41 on the surface of the upper gland plate 4, while also providing a retainer sleeve 42 on the surface of the retainer ring plate 41. Specifically, the retainer ring plate 41 is mainly used to limit the circumferential movement of the link mechanism 6 and each of the bottom boards 5, and ensure that the link mechanism 6 and each of the bottom boards 5 are always located within the range of the fool-proof hole 11. The limiting sleeve 42 is sleeved on the support rod 2, and the pin shaft 7 is arranged at the front end of the support rod 2, so that when the support rod 2 slides upwards along the axial direction, the pin shaft 7 can be abutted against the limiting sleeve 42, the support rod 2 is prevented from being directly separated from the limiting sleeve 42, and the maximum ascending stroke of the support rod 2 can be limited.

Further, consider that the thickness of the mainboard 1 of different specifications is different, for making vaulting pole 2 and last gland plate 4 fixed back (go up gland plate 4 and have compressed tightly the surface of mainboard 1), the front end tip of vaulting pole 2 can just in time stretch out fool-proof hole 11 certain distance, and this embodiment has seted up screw hole 43 on the lateral wall of stop collar 42, has add simultaneously with the adjusting nut 44 of screw hole 43 cooperation installation. Specifically, the end of the adjusting nut 44 passes through the threaded hole 43 and abuts against the outer wall of the stay 2. When the adjusting nut 44 is screwed, the tail end of the adjusting nut tightly props against the outer wall of the support rod 2, the support rod 2 and the outer wall are fastened into a whole, and the support rod cannot slide continuously; if the front end of the stay bar 2 does not extend out of the fool-proof hole 11 or extends out of the fool-proof hole 11 too long after fastening, the adjusting nut 44 can be unscrewed, and the adjusting nut 44 is screwed again after adjusting the sliding position of the stay bar 2 in the limiting sleeve 42.

In addition, considering that the upper gland plate 4 is pressed on the surface of the main board 1 and the surface of the main board 1 is also provided with a circuit, in order to prevent abrasion to the surface of the main board 1, the present embodiment is further provided with an elastic pad 45, such as a sponge pad, a rubber pad, etc., on the bottom surface of the upper gland plate 4. So set up, on the one hand can alleviate the pressure of upper gland plate 4 to mainboard 1 surface through the flexible material of elastic backing plate 45, and on the other hand can also utilize elastic deformation of elastic backing plate 45 to strengthen the degree that compresses tightly of upper gland plate 4 to mainboard 1 surface.

Moreover, for convenience of customers fixes a position fast when inserting the vaulting pole 2 and prevent slow-witted hole 11, this embodiment still is provided with a plurality of guide posts 46 on the inner wall of spacing crown plate 41 by downwardly extending to through each guide post 46 with prevent closely laminating of the pore wall of slow-witted hole 11, to vaulting pole 2 with last gland plate 4 install the location fast on mainboard 1 surface, prevent that the slope condition from appearing in vaulting pole 2.

In addition, for the convenience of the user to press or hold the stay bar 2 and the sliding sleeve 3, the handle bar 8 is disposed at the rear end of the stay bar 2 and on the outer wall of the sliding sleeve 3. Specifically, the handle bar 8 may extend to both sides along the radial direction of the stay bar 2 for a certain length, so as to facilitate the grasping or pressing of the palm and finger surface of the user.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The main board clamping and dismounting jig is characterized by comprising a stay bar (2), a sliding sleeve (3) slidably sleeved on the stay bar (2), an upper pressing cover plate (4) fixed at the front end of the stay bar (2) and used for pressing a foolproof hole (11) formed in the surface of a main board (1), a plurality of lower pressing bottom plates (5) rotatably arranged at the front end of the stay bar (2) and used for extending out of the foolproof hole (11) and then rotating to press the bottom surface of the main board (1), and a connecting rod mechanism (6) connected between the sliding sleeve (3) and each lower pressing bottom plate (5) and used for driving each lower pressing bottom plate (5) to synchronously rotate when the sliding sleeve (3) slides on the stay bar (2);

the connecting rod mechanism (6) comprises a first connecting rod (61) and a second connecting rod (62), one end of the first connecting rod (61) is rotatably connected with the outer wall of the sliding sleeve (3), the other end of the first connecting rod (61) is rotatably connected with one end of the second connecting rod (62), and the other end of the second connecting rod (62) is rotatably connected with the corresponding lower pressing bottom plate (5);

the lower pressing bottom plate (5) comprises a pressing plate (51), an extension rod (52) connected to the pressing plate (51), a first pin hole (53) formed in the tail end of the extension rod (52) and connected with the end part of the front end of the support rod (2) in a rotating mode, and a second pin hole (54) formed in the middle of the extension rod (52) and connected with the other end of the second connecting rod (62) in a rotating mode.

2. The main plate clamping, dismounting and mounting jig according to claim 1, wherein a plurality of first connecting rods (61) and a plurality of second connecting rods (62) are provided, each first connecting rod (61) is connected to two radial sides of the sliding sleeve (3), and each second connecting rod (62) is located on two radial sides of the stay bar (2).

3. The main plate clamping, dismounting and mounting jig according to claim 2, wherein the turning direction of the lower pressing plate (5) connected to the second link (62) on one side is opposite to the turning direction of the lower pressing plate (5) connected to the second link (62) on the other side.

4. The main board clamping, dismounting and mounting jig according to claim 3, wherein the front end of the stay bar (2) is connected to the first pin hole (53) through a pin (7), and the other end of the second link (62) is connected to the second pin hole (54) through a pin (7).

5. The main board clamping, dismounting and mounting jig according to claim 4, wherein a protective layer for preventing abrasion of the bottom surface of the main board (1) is provided on the surface of each of the hold-down bottom plates (5).

6. The main board clamping dismounting and mounting jig according to any one of claims 1 to 5, wherein a limiting ring plate (41), a limiting sleeve (42) disposed on the surface of the limiting ring plate (41) and sleeved on the front end of the stay bar (2), a threaded hole (43) opened on the side wall of the limiting sleeve (42), and an adjusting nut (44) mounted in cooperation with the threaded hole (43) and used for fixing the upper pressing cover plate (4) on the stay bar (2) by abutting against the outer wall of the front end of the stay bar (2) are disposed on the surface of the upper pressing cover plate (4).

7. The main board clamping dismounting and mounting jig according to claim 6, wherein an elastic pad (45) is provided on the bottom surface of the upper cover plate (4).

8. The main board clamping dismounting and mounting jig as claimed in claim 1, wherein the rear end of the stay bar (2) and the outer wall of the sliding sleeve (3) are provided with handle bars (8) distributed along the radial direction.