CN111156238B

CN111156238B - Anti-drop fastener applied to server assembly disassembly and assembly

Info

Publication number: CN111156238B
Application number: CN202010056955.4A
Authority: CN
Inventors: 王大明; 王红明; 薛广营
Original assignee: Suzhou Inspur Intelligent Technology Co Ltd
Current assignee: Suzhou Metabrain Intelligent Technology Co Ltd
Priority date: 2020-01-16
Filing date: 2020-01-16
Publication date: 2022-03-08
Anticipated expiration: 2040-01-16
Also published as: CN111156238A

Abstract

The invention discloses an anti-falling fastener applied to disassembly and assembly of server components, which is characterized in that it includes a fastening mother piece arranged on an installation surface, a mounting hole that penetrates through the server component and is used for connecting with the fastener. The fixing female piece forms a detachable plug-fitted fastening male piece, and a clamping mounting piece sleeved on the outer surface of the fastening male piece and used for clamping the fastening female piece. In this way, when the operator aligns the end of the fastening male piece with the fastening female piece, the fastening female piece can be tightly clamped by clamping the mounting piece, so that the fastening male piece and the fastening female piece are kept between the fastening male piece and the fastening female piece. Fix, to ensure that the end of the fastening male piece and the fastening female piece are kept aligned without deviation. After the fastening male piece cannot fall off the fastening female piece, the normal operation can be started, so that the fastening male piece and the fastening female piece can be operated normally. Complete the detachable connection. At the same time, since there is no need to reach into the installation space to support the fastening male piece, it is only necessary to operate the fastening male piece at the outer end, so the requirement for the operation space can be reduced.

Description

Anti-drop fastener applied to server assembly disassembly and assembly

Technical Field

The invention relates to the technical field of servers, in particular to an anti-drop fastener applied to server assembly disassembly and assembly.

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 server, a WEB server and the like according to different service types provided by the server. The main components of the server include a processor, a hard disk, a memory, a system bus, etc., and are similar to a general-purpose computer architecture, but the server is required to have high processing capability, stability, reliability, security, expandability, manageability, etc., because it needs to provide highly reliable services.

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 type of IT equipment is composed of various hardware boards, such as a computing module, a memory module, a chassis, a fan module, and the like.

In the process of the dismounting operation of the server assembly, fasteners such as screws are often required. In the application process of the screw, the screw is often required to be temporarily fixed on the nut, and then the screw is screwed and fastened, for example, when the screw is fixed on an overhead vertical plane, an operator needs to hold the screw with one hand and screw with the other hand. Because the operation worker is operated at high altitude or even suspended, the operation is inconvenient, and the screw can easily fall off from the nut. Meanwhile, in the assembly process of the server assembly, because the magnetic property of the screwdriver bit cannot attract a slightly larger screw, an operator still needs to hold the screw at the inner end with one hand and then screw the screw at the outer end with the other hand. However, the installation space in the server chassis is narrow, and it is often difficult for an operator to insert a hand into the inner end of the chassis, and further it is impossible to operate the holding screw during screwing, so that the screw is easily dropped or dropped from the nut, and it is difficult to apply force in alignment.

Therefore, how to ensure that the screw aligns with the nut in the process of dismounting and mounting operation to prevent the screw from falling off and reduce the requirement for operation space is a technical problem faced by the technical personnel in the field.

Disclosure of Invention

The invention aims to provide an anti-falling fastener applied to server assembly disassembly, which can ensure that a screw is aligned with a nut in the disassembly and assembly process, prevent the screw from falling off and reduce the requirement on operation space.

In order to solve the technical problem, the invention provides an anti-drop fastener applied to server assembly disassembly and assembly, which is characterized by comprising a fastening female piece arranged on an installation surface, a fastening male piece which is arranged in an installation hole in a server assembly in a penetrating manner and is used for forming detachable plug-in fit with the fastening female piece, and a clamping installation piece which is sleeved on the outer surface of the fastening male piece and is used for clamping the fastening female piece.

Preferably, the fastening female part comprises a female part base fixed with the mounting surface and a female part upright post vertically arranged on the surface of the female part base, and the tail end of the fastening male part is in threaded connection with the female part upright post.

Preferably, the outer surface of the female member upright post is circumferentially provided with a clamping ring groove, and the clamping mounting piece is provided with a plurality of clamping hooks which are used for being fastened in the clamping ring groove.

Preferably, the fastening male part comprises a male part rod body and a connecting end arranged at the tail end of the male part rod body and used for being in threaded connection with the female part upright post.

Preferably, the fastening male element further comprises a tool slot end arranged at the head end of the male element rod body and used for being matched with a screwing tool to transmit torque.

Preferably, a first anti-falling groove is formed in the tail end region of the male rod body along the circumferential direction; the clamping mounting piece comprises a clamping sleeve and a plurality of elastic sheets which are arranged on the inner circle surface at one end of the clamping sleeve along the circumferential direction and are used for being fastened in the first anti-falling groove; each clamping hook is connected to the other end of the clamping sleeve.

Preferably, each elastic sheet extends towards the central axis of the clamping sleeve in an inclined manner to form a concave shape.

Preferably, each trip all inclines towards the axis of clamping sleeve in order to gather together, each trip all has elasticity, and adjacent two all keep predetermineeing the clearance between the trip.

Preferably, be provided with the butt crown plate along axial slidable in the clamping sleeve, the surface of butt crown plate be used for with the terminal surface butt of public spare body of rod to when connecting the end with female spare stand is in coordination, radially strut each trip to it breaks away from to it presss from both sides the knot of tight annular.

Preferably, the male rod body is further provided with a second anti-falling groove along the circumferential direction, and the second anti-falling groove is used for being abutted against each elastic sheet to prevent the elastic sheet from falling off from the male rod body after each elastic sheet is separated from the first anti-falling groove.

The invention provides an anti-drop fastener applied to server assembly disassembly and assembly, which mainly comprises a fastening female part, a fastening male part and a clamping installation part. The fastening female part is mainly arranged on the mounting surface (the working surface matched with the to-be-mounted part), and can play a role of a nut. The fastening male piece is arranged in a mounting hole reserved on the server assembly (to-be-mounted piece) in a penetrating mode, is mainly used for forming detachable plug-in fit connection with the fastening female piece, and can play a role of a screw. Importantly, the clamping installation piece is sleeved on the outer surface of the fastening male piece and is mainly used for clamping the fastening female piece. So, after the terminal alignment fastening female member of public piece of operation workman will fasten, the accessible presss from both sides tight installed part and tightly grasps fastening female member for keep fixed between public piece of fastening and the fastening female member, guarantee that the terminal of public piece of fastening keeps aiming at the zero deviation with fastening female member, the public piece of fastening can't follow the back that drops on the fastening female member, can begin normal operation, makes public piece of fastening accomplish with the fastening female member and can dismantle the connection. Compared with the prior art, the anti-drop fastener applied to server assembly disassembly can ensure that the screw is aligned with the nut in the disassembly and assembly process, and the screw is prevented from dropping off.

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 a schematic overall structure diagram of an embodiment of the present invention.

Fig. 2 is a longitudinal sectional view of fig. 1.

Fig. 3 is an exploded view of fig. 1.

Fig. 4 is a longitudinal sectional view of fig. 3.

Fig. 5 is a schematic structural view of the fastening male member and the fastening female member after the insertion fit is formed.

Fig. 6 is a schematic diagram of an application structure of the present invention on a server component.

Wherein, in fig. 1-6:

a fastening female part-1, a fastening male part-2, a clamping mounting part-3 and an abutting annular plate-4;

female member base-101, female member upright post-102, clamping ring groove-103, male member rod-201, connecting end-202, knife groove end-203, first anti-drop groove-204, second anti-drop groove-205, trip-301, clamping sleeve-302 and elastic sheet-303.

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 to 4, fig. 1 is an overall structural schematic view of an embodiment of the present invention, fig. 2 is a longitudinal sectional view of fig. 1, fig. 3 is an exploded structural schematic view of fig. 1, and fig. 4 is a longitudinal sectional view of fig. 3.

In a specific embodiment provided by the invention, the anti-drop fastener applied to the assembly and disassembly of the server assembly mainly comprises a fastening female part 1, a fastening male part 2 and a clamping installation part 3.

The fastening female member 1 is mainly arranged on a mounting surface (a working surface matched with a member to be mounted), and can play a role of a nut.

The fastening male part 2 penetrates through a mounting hole reserved in the server assembly (to be mounted), is mainly used for forming detachable plug-in fit connection with the fastening female part 1, and can play a role of a screw.

Importantly, the clamping mounting piece 3 is sleeved on the outer surface of the fastening male piece 2 and is mainly used for clamping the fastening female piece 1. So, after the terminal alignment fastening female member 1 of public piece 2 of operation workman, accessible clamp fitting spare 3 tightly grasps fastening female member 1 for it is fixed to keep between fastening public piece 2 and the fastening female member 1, guarantees that the terminal of public piece 2 of fastening keeps aligning deviation-free with fastening female member 1, and the public piece 2 of fastening can't follow the back that drops on fastening female member 1, can begin normal operating, makes fastening public piece 2 and the completion of fastening female member 1 can dismantle and be connected.

Compared with the prior art, the anticreep fastener that is applied to server subassembly dismouting that this embodiment provided can guarantee the screw at dismouting operation in-process and aim at the nut, prevents that the screw from droing, simultaneously owing to need not to stretch into installation space and support fastening public piece 2, only need in outer end operation fastening public piece 2 can, consequently can reduce the demand to operating space.

In a preferred embodiment with respect to the fastening female 1, the fastening female 1 mainly comprises a female base 101 and a female upright 102. The female base 101 is rectangular plate-shaped and is mainly used for being fixed to a mounting surface. The female posts 102 stand on a surface of the female base 101, generally perpendicular to the surface of the female base 101. Correspondingly, the end of the fastening male element 2 is screwed with the end of the female element upright post 102, for example, an external thread may be formed at the end of the fastening male element 2, and an internal thread may be formed at the end of the female element upright post 102.

Further, this embodiment also has a ring of clamping ring grooves 103 formed in the outer surface of the female upright 102, particularly at the end regions. Simultaneously, be provided with the trip 301 of a plurality of outside extension on the clamp installation spare 3, and each trip 301 all is used for with press from both sides tight annular 103 cooperation to make the terminal of each trip 301 tightly detain and grab in pressing from both sides tight annular 103, realize the stable centre gripping to fastening female 1.

In order to facilitate the threaded connection between the fastening male element 2 and the fastening female element 1, in this embodiment, the fastening male element 2 mainly includes a male element rod body 201 and a connection end 202. The male rod body 201 is a main body structure for fastening the male component 2, is in a round rod shape, and has certain length and structural strength. The connection end 202 is disposed at the end (bottom end) of the male member rod 201, and is mainly used for forming a threaded connection with the end (top end) of the female member upright post 102.

Meanwhile, the head end of the male rod body 201 is additionally provided with a knife slot end 203. Specifically, the pocket tip 203 is mainly used for cooperating with a screwing tool, such as a screwdriver, and is mainly used for transmitting the screwing torque of an operator to the male rod body 201. Generally, the shape of the notch of the sipe end 203 may be a straight shape, a cross shape, a quincunx shape, or the like.

In order to ensure that the clamping and mounting member 3 can be stably mounted on the fastening male member 2, in the embodiment, a first anti-drop groove 204 is formed in the end region of the male member rod body 201 along the circumferential direction, and the first anti-drop groove 204 may be a rectangular ring groove or a trapezoidal ring groove. Accordingly, in a preferred embodiment with respect to the clamping mount 3, the clamping mount 3 mainly comprises a clamping sleeve 302, a plurality of resilient tabs 303 and the aforementioned respective hooks 301. The clamping sleeve 302 is a main body structure, and generally has a cylindrical shape with two open ends, and each spring plate 303 is disposed on an inner circumferential surface of one end of the clamping sleeve 302, and is uniformly distributed along the circumferential direction, and extends toward the center of the clamping sleeve 302.

Meanwhile, each elastic sheet 303 has elasticity and can be elastically folded. When the male member rod 201 is installed, the end of the male member rod 201 can be aligned with an opening at one end (top end shown in the figure) of the clamping sleeve 302 and inserted in the axial direction, when the end of the male member rod 201 abuts against each elastic sheet 303, each elastic sheet 303 is elastically turned over until the first anti-falling groove 204 also enters the opening at one end of the clamping sleeve 302, each elastic sheet 303 is clamped into the first anti-falling groove 204 under the action of elasticity, and thus the male member rod is tightly buckled in the first anti-falling groove 204. Here, preferably, in order to facilitate the elastic deformation of each elastic sheet 303 to form a fastening with the first anti-slip groove 204, in this embodiment, each elastic sheet 303 extends obliquely inward toward the central axis of the clamping sleeve 302, for example, forms an angle of 15 ° to 30 ° with the horizontal plane, and forms a concave shape as a whole. With such an arrangement, when the male element rod 201 is inserted into the clamping sleeve 302, the end of the male element rod 201 can be conveniently abutted against the surface of each elastic sheet 303 at the same time, so that each elastic sheet 303 is elastically folded inwards.

Furthermore, as mentioned above, the hooks 301 can be connected to the other end of the clamping sleeve 302 and also distributed uniformly in the circumferential direction. Because each trip 301 all buckles tightly in the clamp ring groove 103 of the fastening female member 1, and each shrapnel 303 buckles tightly in the first anti-drop groove 204 of the fastening male member 2, the both ends of the clamp mounting member 3 are respectively clamped between the fastening female member 1 and the fastening male member 2.

Further, in order to facilitate the fastening of each hook 301 in the clamping ring groove 103, in this embodiment, each hook 301 also has elasticity, and each hook 301 is petal-shaped, extends towards the axis of the clamping sleeve 302 in an inclined manner, and is tapered. Meanwhile, a preset gap is kept between every two adjacent hooks 301, so that each hook 301 can be elastically deformed conveniently.

In addition, for the convenience of disassembly, the abutting ring plate 4 is additionally arranged in the clamping sleeve 302. Specifically, the abutting ring plate 4 is annular, has an outer diameter equal to or slightly smaller than the inner diameter of the clamping sleeve 302, is mounted in the clamping sleeve 302, and is slidable in the axial direction of the clamping sleeve 302. When the connection end 202 of the male rod 201 is inserted into the clamping sleeve 302, the inner circle of the abutting ring plate 4 is sleeved on the end of the male rod 201, and the inner diameter is smaller than the (thread) outer diameter of the connection end 202. When fastening male member 2 begins to cooperate with fastening female member 1, the bottom face of first anticreep groove 204 will compress tightly on the surface of butt crown plate 4, and then promote butt crown plate 4 to descend along the axial in clamp sleeve 302, when butt crown plate 4 and the inner wall butt of each trip 301, will strut each trip 301 along radial while, make each trip 301 outwards produce elasticity and turn over and roll over, and break away from the lock of tight ring groove 103, finally the butt is to female member base 101 on the surface, accomplish the threaded connection of fastening male member 2 and fastening female member 1. As shown in fig. 5, fig. 5 is a schematic structural view of the fastening male element 2 and the fastening female element 1 after the plug-in fit is formed.

Moreover, when dismantling the public piece 2 of fastening, for guaranteeing to drive and press from both sides tight installed part 3 and dismantle together, prevent that press from both sides tight installed part 3 and drop, second anticreep groove 205 has still been seted up along the circumferential direction on public piece body of rod 201 to this embodiment. In particular, the second anti-slip groove 205 is located above (shown) the first anti-slip groove 204, i.e. closer to the top end. The second anti-slip groove 205 has the same function as the first anti-slip groove 204, and is used for fastening each elastic sheet 303 on the clamping and mounting member 3. In contrast, the second escape prevention groove 205 is a function of the fastening male member 2 after it is detached from the fastening female member 1. During the installation process, each elastic sheet 303 slides into the second anti-drop groove 205, and during the disassembly process, when the fastening male element 2 gradually breaks away from the fastening female element 1, the male element rod body 201 moves upwards, each elastic sheet 303 is fastened at the bottom of the second anti-drop groove 205 and moves upwards synchronously along with the ascending of the male element rod body 201, so that the whole clamping installation part 3 and the abutting ring plate 4 are disassembled synchronously.

Fig. 6 is a schematic diagram of an application structure of the present invention on a server component, as shown in fig. 6. The anti-falling fastener provided by the invention can be applied to fixing of a radiator, and in the locking process, as the four fastening male parts 2 are all fixed on the fastening female part 1 through the clamping mounting parts 3, the locking in any sequence can be realized, the inclination of the radiator due to uneven stress is avoided, and the parts below the radiator are prevented from being pressed.

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. An anti-fall fastener for disassembly and assembly of a server assembly, characterized in that it comprises a fastening mother piece (1) arranged on the mounting surface, a mounting hole which is passed through the server assembly and is used for connecting with the mounting surface. The fastening female piece (1) forms a detachable male fastening piece (2) that is plugged and fitted, and is sleeved on the outer surface of the male fastening piece (2) for clamping the fastening male piece (2). Clamping mount (3) for the female part (1);

The fastening female piece (1) includes a female piece base (101) fixed with the mounting surface, and a female piece upright column (102) erected on the surface of the female piece base (101), and the fastening The end of the male part (2) is threadedly connected with the upright column (102) of the female part;

A clamping ring groove (103) is provided on the outer surface of the female member upright (102) along the circumferential direction, and the clamping mounting member (3) is provided with a clamping ring groove (103) for being tightly fastened to the clamping ring groove (103). Several hooks (301) inside;

The fastening male piece (2) comprises a male piece rod body (201) and a connection end (202) arranged at the end of the male piece rod body (201) and used for screw connection with the female piece upright column (102) ;

The end region of the male piece rod body (201) is provided with a first anti-detachment groove (204) in the circumferential direction; the clamping installation member (3) includes a clamping sleeve (302), and is provided in the circumferential direction on the clamping sleeve (302). A plurality of elastic pieces (303) on the inner circular surface of one end of the clamping sleeve (302) for being fastened in the first anti-falling groove (204); each of the hooks (301) is connected to the clamp the other end of the tight sleeve (302);

An abutment ring plate (4) is slidably disposed in the clamping sleeve (302) along the axial direction, and the surface of the abutment ring plate (4) is used for contacting with the end face of the male rod body (201). abutting, so as to open each of the hooks (301) in the radial direction until they disengage from the clamping ring groove (103) when the connecting end (202) is matched with the female member upright (102). ) of the clasp.

2 . The anti-falling fastener for disassembling and assembling server components according to claim 1 , wherein the male fastening piece ( 2 ) further comprises a head end arranged on the rod body ( 201 ) of the male piece. 3 . . The slot end (203) used to cooperate with the screwing tool to transmit torque.

3. The anti-falling fastener applied to the disassembly and assembly of server components according to claim 1, wherein each of the elastic pieces (303) extends obliquely toward the central axis of the clamping sleeve (302) to form a depression.

4. The anti-falling fastener applied to the disassembly and assembly of server components according to claim 3, wherein each of the hooks (301) is inclined toward the central axis of the clamping sleeve (302) to gather together Each of the hooks (301) has elasticity, and a preset gap is maintained between two adjacent hooks (301).

5. The anti-falling fastener applied to the disassembly and assembly of server components according to claim 1, characterized in that, the male piece rod body (201) is further provided with elastic pieces (303) for each piece of the elastic piece (303) along the circumferential direction. ) after being separated from the first anti-falling groove (204), a second anti-falling groove (205) which is in contact with each of the elastic pieces (303) to prevent it from falling off from the male piece rod body (201).