CN209563049U - A kind of wiring board with location structure - Google Patents

Abstract

The utility model discloses a circuit board with a positioning structure, which comprises a fixed frame and a circuit board body. The two ends of the circuit board body are fixedly connected with positioning blocks, and the inner walls on both sides of the upper part of the fixed frame are connected by springs A wedge-shaped block is fixedly connected, the lower surface of the positioning block is clamped on the card seat, the circuit board body is slid and clamped inside the fixed frame through the positioning block, and the end of the positioning block and the fixed frame pass through The positioning rod and the positioning groove are plugged and fixed. The device can fasten the connection position of the circuit board body and the fixed frame, avoiding the shaking of the circuit board body and improving the stability of the connection; it is convenient for the positioning, installation and disassembly of the circuit board body, saving time and effort, and avoiding clamping The positioning methods of plug-in and screw connection cause wear to the circuit board body.

Description

A circuit board with positioning structure

technical field

The utility model belongs to the technical field of circuit boards, in particular to a circuit board with a positioning structure.

Background technique

For various electronic equipment, the internal circuit board is the carrier of various electronic components and signal paths, and the circuit board has been widely used in various computer equipment. In the assembly process of the existing circuit board, the circuit board is generally fixed on the casing by screws, that is, the circuit board is generally provided with a mounting hole positioning structure; but in the actual use process, the circuit board directly fixed by screws It is easy to cause wear to the circuit board, and the installation holes occupy the space of the circuit board, which is inconvenient to use.

For this reason, the publication number is that CN205584681U discloses a positioning structure for fixing PCB circuit boards, comprising a frame-shaped frame with an opening on one side and extensions respectively arranged at both ends of the frame-shaped frame opening, and threaded holes are provided at the ends of the extensions; A card slot is opened on the inner wall of the frame; a PCB board arranged in the card slot, a winding bracket fixed on the PCB board and a pressing mechanism for clamping the PCB board are also included. The frame-shaped frame and the pressure-resisting mechanism in the above-mentioned utility model are used to clamp the PCB board, which makes the loading and unloading of the PCB board more convenient, and solves the defect that the existing screw fixing method easily causes the PCB board to be broken.

However, there are still the following disadvantages: the PCB circuit board is directly inserted into the slot of the frame frame, and the installation and disassembly need to be inserted and inserted multiple times, which directly causes wear and tear on the PCB circuit board, and the shrapnel is directly clamped on the circuit board. It is very easy to cause wear and tear on the surface of the PCB circuit board.

Utility model content

The purpose of this utility model is to provide a circuit board with a positioning structure to solve the problems raised in the background technology above.

In order to achieve the above object, the utility model provides the following technical solutions: a circuit board with a positioning structure, including a fixed frame and a circuit board body, both ends of the circuit board body are fixedly connected with positioning blocks, and the upper part of the fixed frame The inner walls on both sides of the frame are fixedly connected with wedge-shaped blocks by springs, the inner walls on both sides of the lower part of the fixed frame are fixedly connected with card holders, the positioning block is slidingly connected with the wedge-shaped block, and the lower surface of the positioning block Clamped on the deck, the circuit board body is slid and clamped inside the fixed frame through the positioning block, and the end of the positioning block and the fixed frame are inserted and fixed through the positioning rod and the positioning slot.

This setting can fasten the connection position between the circuit board body and the fixed frame through the positioning rod, positioning groove and fastening plate, avoiding the shaking of the circuit board body and improving the stability of the connection; And the spring is convenient for the installation and disassembly of the circuit board body, saves time and effort, and avoids the wear and tear on the circuit board body caused by the clamping and plugging and screw connection positioning methods.

Preferably, the inner wall of the fixed frame is provided with a chute matched with the wedge block, the spring is fixedly connected in the chute, an extension block is fixedly connected to the fixed frame, and the extension block is screwed There are fixing bolts.

For this setting, when the circuit board body is installed, the positioning block pushes against the wedge block, and at this time, the wedge block slides and retracts into the chute under the action of the spring until the circuit board body is clamped on the card seat. Under the action of elasticity, the wedge-shaped block resets and protrudes, thereby limiting the upper end of the positioning block, so that the circuit board body is fixed in the fixed frame; the fixed frame is installed on the computer case through the extension block, and the connection position is fixed by tightening the fixing bolts , easy to install.

Preferably, at least three positioning rods are provided and are all fixedly connected to the fastening plate, and the fastening plate is fixedly connected to the outer wall of the fixed frame by screws, and the end of the positioning block is provided with a positioning rod. Locating slots for matching connections.

In this setting, insert the positioning rod into the corresponding positioning slot to further fix the connection structure between the positioning block and the fixed frame, and tighten the screws to make the connection structure between the fastening plate and the fixing more tight, so as to secure the circuit board body and the fixed frame. The connection position of the fixed frame is fastened, which prevents the circuit board body from shaking in the fixed frame and improves the stability of the connection.

Preferably, the fastening plate is provided with threaded holes matched with screws, and the threaded holes and the positioning rods are alternately distributed on the fastening plate.

This setting facilitates the installation of screws, making the connection structure of the fastening plate more stable.

Preferably, the upper and lower surfaces of the positioning block are provided with slopes matched and connected with the wedge-shaped block, and the clamping seat fits with the lower surface of the positioning block.

This setting is convenient for the positioning block to slide in and out of the fixed frame, thereby facilitating the installation and disassembly of the circuit board body, saving time and effort, and avoiding the wear and tear on the circuit board body caused by snap-in, plug-in, plug-in, and threaded connections; it is convenient for fixing the circuit board ontology.

Description of drawings

Fig. 1 is the top view structural representation of the utility model;

Fig. 2 is the schematic diagram of the front view section structure of the utility model;

Fig. 3 is a schematic diagram of the internal structure of the fastening plate of the present invention.

In the figure: 1, fixed frame; 2, circuit board body; 3, positioning block; 4, wedge block; 5, spring; 6, chute; 7, card seat; 8, fastening plate; 9, positioning rod; , positioning groove; 11, screw; 12, threaded hole; 13, extension block; 14, fixing bolt.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

As shown in Figures 1-3, a circuit board with a positioning structure includes a fixed frame 1 and a circuit board body 2. Both ends of the circuit board body 2 are fixedly connected with positioning blocks 3, and the upper part of the fixed frame 1 The inner walls on both sides of the frame are fixedly connected with wedge blocks 4 by springs 5, the inner walls on both sides of the bottom of the fixed frame 1 are fixedly connected with card holders 7, and the positioning blocks 3 and the wedge blocks 4 are slidably connected. The lower surface of the positioning block 3 is clamped on the deck 7, the circuit board body 2 is slid and clamped inside the fixed frame 1 through the positioning block 3, and the end of the positioning block 3 and the fixed frame 1 pass through The positioning rod 9 and the positioning groove 10 are plugged and fixed.

The inner wall of the fixed frame 1 is provided with a chute 6 matched with the wedge block 4, the spring 5 is fixedly connected in the chute 6, and the fixed frame 1 is fixedly connected with an extension block 13, and the extension The block 13 is threaded with a fixing bolt 14, which is convenient for the installation of the circuit board body 2 on the fixed frame 1; it is convenient to fix the fixed frame 1 on the computer case for installation, thereby realizing that the circuit board body 2 is installed on the computer case for use .

The positioning rods 9 are provided with at least three and are all fixedly connected on the fastening plate 8, the fastening plate 8 is fixedly connected on the outer wall of the fixed frame 1 by screws 11, and the end of the positioning block 3 is provided with The positioning groove 10 matched with the positioning rod 9 fastens the connection position between the circuit board body 2 and the fixed frame 1, avoiding the shaking of the circuit board body 2 in the fixed frame 1 and improving the stability of the connection.

The fastening plate 8 is provided with threaded holes 12 matched with the screws 11, and the threaded holes 12 and the positioning rods 9 are alternately distributed on the fastening plate 8, which is convenient for installing the screws 11, so that the connection of the fastening plate 8 The structure is more stable.

The upper and lower surfaces of the positioning block 3 are provided with inclined surfaces matched and connected with the wedge block 4, and the card holder 7 fits with the lower surface of the positioning block 3, which is convenient for the installation and disassembly of the circuit board body 2, and saves time. It saves labor and avoids the wear and tear on the circuit board body 2 caused by clamping and plugging and threaded connection; it is convenient for fixing the circuit board body 2 .

Specifically, when in use, the circuit board body 2 is installed in the fixed frame 1, that is, the positioning block 3 slides downward along the surface of the wedge-shaped block 4, the wedge-shaped block 4 is retracted into the chute 6, and the circuit board body 2 is clamped on the On the card seat 7, at this time, the wedge-shaped block 4 is reset and extended under the action of the spring 5, so that the circuit board body 2 is clamped in the fixed frame 1; then the positioning rod 9 is inserted in the positioning groove 10, and the screw 11 is tightened so that The fixed plate 8 is fixed on the fixed frame 1, so that the connection position between the circuit board body 2 and the fixed frame 1 can be fastened, which avoids the shaking of the circuit board body 2 and improves the stability of the connection; The frame 1 is fixed on the computer case, that is, the installation of the circuit board body 2 is completed; when taking out the circuit board body 2, loosen the screw 11 to take out the positioning rod 9, extract the circuit board body 2 upward, and the positioning block 3 slides upward along the wedge-shaped block 4 Breaking away from the fixing frame 1 can realize disassembly, which facilitates the installation and disassembly of the circuit board body 2, saves time and effort, and avoids the wear and tear on the circuit board body 2 caused by snap-in, plug-in, plug-in, and screw-connected positioning methods.

Finally, it should be noted that: the above is only a preferred embodiment of the utility model, and is not intended to limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art , it can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model, All should be included within the protection scope of the present utility model.

Claims (5)

1. a kind of wiring board with location structure, including fixed frame (1) and wiring board ontology (2), it is characterised in that: the line The both ends of road plate ontology (2) are fixedly connected to locating piece (3), pass through bullet on the two sides inner wall on fixed frame (1) top Spring (5) is fixedly connected with wedge block (4), is fixedly connected to deck (7), institute on the two sides inner wall of fixed frame (1) lower part It states and is slidably connected between locating piece (3) and wedge block (4), the lower surface of the locating piece (3) is connected on deck (7), described Wiring board ontology (2) is connected to the inside of fixed frame (1), the end of the locating piece (3) and fixation by locating piece (3) sliding It is plugged and fixed between frame (1) by locating rod (9) and locating slot (10).

2. a kind of wiring board with location structure according to claim 1, it is characterised in that: the fixed frame (1) Inner wall is equipped with the sliding slot (6) for the connection that matches with wedge block (4), and the spring (5) is fixedly connected in sliding slot (6), described It is fixedly connected on fixed frame (1) extension block (13), is threaded with fixing bolt (14) on the extension block (13).

3. a kind of wiring board with location structure according to claim 1, it is characterised in that: the locating rod (9) is extremely It sets there are three and is fixedly connected on fastening plates (8) less, the fastening plates (8) are fixedly connected on fixed frame by screw (11) (1) on outer wall, the end of the locating piece (3) is equipped with the locating slot (10) for the connection that matches with locating rod (9).

4. a kind of wiring board with location structure according to claim 3, it is characterised in that: on the fastening plates (8) Threaded hole (12) equipped with the connection that matches with screw (11), the threaded hole (12) is interspersed with locating rod (9) to be fastened On plate (8).

5. a kind of wiring board with location structure according to claim 1, it is characterised in that: the locating piece (3) The inclined-plane for the connection that matches with wedge block (4), the lower surface phase of the deck (7) and locating piece (3) are equipped in upper and lower surface Fitting.