CN221510053U - Guide rail structure suitable for pluggable board card - Google Patents
Guide rail structure suitable for pluggable board card Download PDFInfo
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- CN221510053U CN221510053U CN202323581170.7U CN202323581170U CN221510053U CN 221510053 U CN221510053 U CN 221510053U CN 202323581170 U CN202323581170 U CN 202323581170U CN 221510053 U CN221510053 U CN 221510053U
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- base
- board card
- rail structure
- guide rail
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Abstract
The utility model relates to the field of pluggable guide rails of printed circuit boards, and discloses a guide rail structure suitable for pluggable boards, which comprises a base, wherein one side of the base is provided with at least two mutually parallel and detachable steel bars, and two adjacent steel bars and the base are enclosed to form a guide chute; a guide part which is convenient for inserting the board card into the guide chute is arranged at the corner of the steel bar; one end of the base is provided with a guide pin hole for inserting the guide pin of the board card and a fixing hole for locking the board card. With the base as the benchmark, utilize two adjacent billet to enclose to close and form and be used for cardboard male direction spout, be detachable between billet and the base to be connected, need not special die sinking promptly and can customize guide rail structure according to the demand, greatly reduced the manufacturing cost of small batch of product to the billet is more wear-resisting, still non-deformable.
Description
Technical Field
The utility model relates to the field of pluggable guide rails of printed circuit boards, in particular to a guide rail structure suitable for pluggable boards.
Background
The board card is a printed circuit board, namely a PCB (Printed Circuit Board) for short, and is provided with a core pin during manufacturing, and can be inserted into a slot of a main circuit board (main board) of a computer to control the operation of hardware; the board card is usually required to be limited and guided by a guide rail during installation so as to ensure that the board card can be successfully inserted into a designated position.
The guide rails for pluggable cards in the current market are of the following types:
(1) Standard plastic rails formed by injection molding;
(2) Sheet metal guide rails formed by stamping.
Both of the above require die opening according to the structure of the product, resulting in high costs; the former has the defects of easy deformation and wear resistance, and the latter has the defects of difficult control of product deformation and poor consistency; therefore, there is a need to design a guide rail structure with simple process, no need of die sinking and high flatness.
Disclosure of utility model
The utility model aims to solve the problems of providing a guide rail structure suitable for a pluggable board card, wherein two adjacent steel bars are fixed on a base to form a guide chute for inserting the board card, and the steel bars are detachable, so that the problems of easy deformation, wear resistance and high cost caused by die opening in production of the existing guide rail in the market are solved.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
The guide rail structure suitable for the pluggable board card comprises a base, wherein one side of the base is provided with at least two mutually parallel and detachable steel bars, and two adjacent steel bars and the base are enclosed to form a guide chute; a guide part which is convenient for inserting the board card into the guide chute is arranged at the corner of the steel bar; one end of the base is provided with a guide pin hole for inserting the guide pin of the board card and a fixing hole for locking the board card.
In a preferred embodiment of the present utility model, the present utility model further comprises a fastener, one end of which is screwed to the base through the steel bar.
In a preferred embodiment of the present utility model, the guiding component adopts a sheet structure, one end of the guiding component, which is close to the guiding chute, is fixedly connected with the steel bar, the other end of the guiding component is suspended, and the two guiding components at the same end of the guiding chute are distributed in a splayed shape.
In a preferred embodiment of the present utility model, a baffle plate parallel to the steel bar is fixedly connected to the edge of the base, the two ends of the baffle plate are both provided with the guiding members, and a guiding chute is formed by enclosing the base, the baffle plate and the steel bar adjacent to the baffle plate.
In a preferred embodiment of the present utility model, an installation portion for installing the ESD spring is disposed in the guiding chute, and an auxiliary portion for matching with the pull-out aid is disposed at one end of the base.
In a preferred embodiment of the utility model, the baffles and the bars are distributed in the longitudinal direction of the base and the baffles are located below the bars.
Advantageous effects
According to the utility model, the base is taken as a reference, two adjacent steel bars are used for enclosing to form the guide chute for inserting the clamping plate, the steel bars are detachably connected with the base, namely, the guide rail structure can be customized according to the requirement without special die opening, the production cost of small-batch products is greatly reduced, and the steel bars are more wear-resistant and not easy to deform.
According to the utility model, the collision between the board card and the end face of the steel bar can be effectively relieved by utilizing the guide part with the sheet-shaped structure, the opening area of the end face of the guide chute is enlarged, and the smooth insertion of the board card is facilitated.
According to the utility model, the utilization rate of the steel bar can be greatly improved through the design of the baffle plate, namely, the guide chute is additionally arranged at the edge, so that the full utilization of the base and the steel bar is realized.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic side elevational view of the present utility model;
FIG. 3 is an enlarged schematic view of a portion of FIG. 1 at A;
FIG. 4 is an enlarged partial schematic view at C in FIG. 1;
1, a base; 2. a steel bar; 3. a guide member; 4. a mounting part; 5. guide pin holes; 6. a fixing hole; 7. a limiting surface; 8. a support surface; 10. an auxiliary part; 11. a fastener; 12. and a baffle.
Detailed Description
The utility model will now be described in further detail with reference to the drawings and examples, which are simplified schematic illustrations of the basic structure of the utility model, which are presented only by way of illustration, and thus show only the structures that are relevant to the utility model.
1-2, A guide rail structure suitable for a pluggable board card comprises a base 1, wherein one side of the base 1 is provided with at least two mutually parallel and detachable steel bars 2, and two adjacent steel bars 2 and the base 1 are enclosed to form a guide chute; a guide part 3 which is convenient for inserting the board card into the guide chute is arranged at the corner of the steel bar 2; one end of the base 1 is provided with a guide pin hole 5 for inserting a guide pin of the board card and a fixing hole 6 for locking the board card.
The steel bar 2 is made of steel material through casting, forging, machining and other steps, has wear resistance compared with plastic and sheet metal, and is not easy to deform under normal use.
With base 1 as the benchmark, utilize two adjacent billet 2 to enclose to close and form and be used for cardboard male direction spout, be detachable between billet 2 and the base 1 to be connected, need not special die sinking promptly and can customize guide rail structure according to the demand, greatly reduced the manufacturing cost of small batch of product to the billet is more wear-resisting, still non-deformable.
The connection between the steel bar 2 and the base 1 is realized through the fastener 11, the fastener 11 is preferentially a screw, one end of the fastener 11 passes through the steel bar 2 to be screwed on the base 1, and the non-die-sinking production and the manufacturing of the guide rail structure can be realized through the structure, so that the guide rail structure is suitable for small-batch guide rail customization design with low investment and high requirement.
Further, the edge of the base 1 is fixedly connected with a baffle 12 parallel to the steel bars 2, the two ends of the baffle 12 are provided with guide components 3, and a guide chute is formed by enclosing the base 1, the baffle 12 and the steel bars 2 adjacent to the baffle 12.
The baffle 12 and the base 1 adopt an integrally formed structure, so that the production is convenient; the baffle 12 can be used as one side surface of the steel bar 2, so that an additional guiding chute is formed between the baffle 12 and the steel bar 2 in a matched manner, and the full utilization of the base 1 and the steel bar 2 is realized.
Specifically, the following relationship exists between the number Q of guide runners of the guide rail structure and the number N of steel bars 2 according to the presence or absence of the baffle plate 12: in the absence of the baffles 12, q=n-1, i.e. the number of guide runners is always one less than the number of bars 2; when the baffles 12 are present and are provided only at one of the edges of the base 1, q=n, i.e. the number of guide runners is equal to the number of bars 2.
As shown in fig. 2, the baffle 12 and the steel bar 2 are distributed in the longitudinal direction of the susceptor 1, and the baffle 12 is located below the steel bar 2. At this time, the board card is inserted into the guide chute in a horizontal and transverse mode, and in the same guide chute, the upper top surface of the baffle 12 or the steel bar 2 below is a supporting surface 8, namely a plane for supporting the board card; on the contrary, the lower bottom surface of the upper steel bar 2 serves as a limiting surface 7 for limiting the vertical up-and-down movement range of the plate card, and the base 1 can limit the horizontal left-and-right movement range of the plate card.
One end of the base 1 is provided with an auxiliary part 10 for matching with a pull-up aid, when a board is inserted, the board is firstly aligned with the guide part 3 of the guide rail structure, then the board is pushed in from one end of the guide chute to be placed on the supporting surface 8, the board is continuously pushed, the guide needle on the board is inserted into the guide pin hole 5 of the guide rail structure, then the pull-up aid of the board is locked, the board is forced to be pushed into the bottom through the matching of the pull-up aid and the auxiliary part 10, and finally the screw is locked to the fixing hole 6, so that the locking of the board is completed. In the whole process, the smooth insertion guide and limit of the board card are finally realized through the mutual matching of the structures of the base 1, the steel bars 2, the guide part 3, the upper limit surface 7, the support surface 8 and the like.
The main function of the pull-up assisting device is to be assembled with the PCB panel for use in the insertion and pull-out of the board card, and the structure of the pull-up assisting device mainly comprises a handle, a label, a PCB panel connecting block and a shaft, which is the prior art.
As shown in fig. 1 and 3-4, the guide part 3 adopts a sheet structure, one end of the guide part close to the guide chute is fixedly connected with the steel bar 2, the other end of the guide part is suspended, and the two guide parts 3 at the same end of the guide chute are distributed in a splayed shape.
The collision between the board card and the end face of the steel bar 2 can be effectively relieved by utilizing the guide part 3 with the sheet-shaped structure, the opening area of the end face of the guide chute is enlarged, and the smooth insertion of the board card is facilitated. And one end of the guide part 3 is fixedly connected with the steel bar 2, and the other end is suspended and has a certain gap with the steel bar 2, and the structure aims at reducing the damage to the board card because the sheet-shaped structure has a certain elasticity when the board card touches the guide part 3.
Wherein, the steel bars 2 are respectively provided with chamfers at the positions corresponding to the four prisms of the vertical base 1, and the sheet-shaped guiding parts 3 are arranged at the chamfers and are distributed in a splayed shape.
Further, the guide chute is internally provided with a mounting part 4 for mounting the ESD elastic sheet, and the ESD elastic sheet plays a role in releasing static electricity when the board card is inserted so as to protect the electronic element from being damaged by the static electricity. When people touch electronic equipment, electrostatic discharge (ESD) may occur, which may damage electronic components and even cause equipment malfunction. In order to prevent this, many electronic devices employ ESD protection measures, including the use of ESD shrapnel.
The ESD spring plate is arranged in the guide chute through the mounting part 4, and when the board card is inserted, the spring plate can be contacted with metal on the circuit board, so that static discharge is released to the ground, and the electronic element on the circuit board is protected from damage.
Working principle:
The guide rail structure comprises a base 1, steel bars 2, a guide part 3, a mounting part 4, guide pin holes 5, fixing holes 6, a limiting surface 7, a supporting surface 8, an auxiliary part 10, a fastening piece 11 and a baffle 12; when the board card is inserted, the guide part 3 of the guide rail structure is aligned firstly, then the board card is pushed in from one end of the guide chute, the board card is placed on the supporting surface 8, the board card is pushed continuously, the guide needle on the board card is inserted into the guide pin hole 5 of the guide rail structure, then the pull-out aid of the board card is locked, the board card is forced to be pushed to the bottom through the cooperation of the pull-out aid and the auxiliary part 10, and finally the locking screw is locked to the fixing hole 6, so that the locking of the board card is completed. In the whole process, the guide and the limit of the smooth insertion of the board card are finally realized through the mutual matching of the structures of the base 1, the steel bar 2, the guide part 3, the limit surface 7 on the upper part, the support surface 8 and the like, and a guide chute can be additionally added through the baffle 12.
To sum up, the guide rail structure has the advantages of simple process, no need of die sinking, high flatness of products, precise guiding and limiting structures, and limitation in the vertical and horizontal directions, and can realize the sequential insertion and opposite insertion of the board cards, thereby meeting the requirement of customizing the guide rail structure with less batch, less investment and high requirement.
The above-described preferred embodiments according to the present utility model are intended to suggest that, from the above description, various changes and modifications can be made by the person skilled in the art without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.
Claims (6)
1. Guide rail structure suitable for pluggable integrated circuit board, its characterized in that: the device comprises a base (1), wherein one side of the base (1) is provided with at least two mutually parallel and detachable steel bars (2), and two adjacent steel bars (2) are enclosed with the base (1) to form a guide chute; a guide component (3) which is convenient for inserting the board card into the guide chute is arranged at the corner of the steel bar (2); one end of the base (1) is provided with a guide pin hole (5) for inserting a guide pin of the board card and a fixing hole (6) for locking the board card.
2. The guide rail structure for a pluggable board card as in claim 1, wherein: the device also comprises a fastener (11), wherein one end of the fastener (11) is screwed on the base (1) through the steel bar (2).
3. The guide rail structure for a pluggable board card as in claim 2, wherein: the guide parts (3) are of sheet structures, one ends, close to the guide sliding grooves, of the guide parts are fixedly connected with the steel bars (2), the other ends of the guide parts are suspended, and the two guide parts (3) at the same end of the guide sliding grooves are distributed in a splayed mode.
4. The guide rail structure for a pluggable card of claim 3, wherein: the edge of the base (1) is fixedly connected with a baffle (12) parallel to the steel bars (2), the two ends of the baffle (12) are respectively provided with the guide component (3), and the guide sliding groove is formed by enclosing between the base (1) and the baffle (12) and the steel bars (2) adjacent to the baffle (12).
5. The guide rail structure for a pluggable board card as in claim 4, wherein: an installation part (4) for installing the ESD elastic sheet is arranged in the guide chute, and an auxiliary part (10) for being matched with the pull-out aid is arranged at one end of the base (1).
6. The guide rail structure for a pluggable card of claim 5, wherein: the baffles (12) and the bars (2) are distributed in the longitudinal direction of the base (1), and the baffles (12) are located below the bars (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323581170.7U CN221510053U (en) | 2023-12-27 | 2023-12-27 | Guide rail structure suitable for pluggable board card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323581170.7U CN221510053U (en) | 2023-12-27 | 2023-12-27 | Guide rail structure suitable for pluggable board card |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221510053U true CN221510053U (en) | 2024-08-09 |
Family
ID=92137855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323581170.7U Active CN221510053U (en) | 2023-12-27 | 2023-12-27 | Guide rail structure suitable for pluggable board card |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221510053U (en) |
-
2023
- 2023-12-27 CN CN202323581170.7U patent/CN221510053U/en active Active
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