Fixing carrier for circuit board

Abstract

The utility model discloses a fixing carrier for a circuit board. The fixing carrier comprises a bearing plate, a sliding rod, a clamping fixing piece and a telescopic spring, the bearing plate is provided with a sliding through hole penetrating up and down, the sliding rod is installed at the bottom of the bearing plate and corresponds to the sliding through hole up and down, the clamping fixing pieces are clamped in the sliding through hole in a penetrating mode and are arranged in a bilateral symmetry mode, and the lower ends of the clamping fixing pieces extend to be arranged on the sliding rod in a penetrating mode and can slide left and right along the sliding rod and the sliding through hole. The upper end of the clamping fixing piece extends out of the upper surface of the bearing plate and can clamp and fix the two sides of the circuit board, the telescopic spring is arranged on the sliding rod in a penetrating mode, and one end of the telescopic spring elastically abuts against the lower end of the clamping fixing piece. According to the utility model, through designing the elastically telescopic clamping and fixing carrier structure, the circuit board can be simply, conveniently and reliably clamped, fixed and protected in the production and processing process; an adjusting structure capable of adjusting clamping elasticity is designed, so that the stress of the circuit board is more stable and reasonable when the circuit board is fixedly clamped; the utility model has the advantages of strong practicability and strong popularization significance.

Description

TECHNICAL FIELD

[0001] The utility model relates to circuit board technical field especially relates to a fixed carrier of circuit board. BACKGROUND

[0002] Circuit board is also called line board, it is important electronic component, is the support body of electronic component, is the carrier of electrical interconnection of electronic component. Almost every kind of electronic equipment, small to electronic watch, calculator, large to computer, communication electronic equipment, military weapon system, as long as integrated circuit and other electronic components, in order to make the electrical interconnection between various components, all want to use circuit board. Circuit board is composed of insulating bottom plate, connecting wire and pad of assembly welding electronic component, has the dual role of conductive circuit and insulating bottom plate.

[0003] Circuit board often needs to be protected and fixed by carrier in the production, processing, transportation and other processes, so as to reduce the production and processing defects of circuit board. But the existing circuit board fixing carrier is mostly complex structure, difficult to use, which greatly hinders the production and processing efficiency of circuit board. UTILITY MODEL CONTENT

[0004] Therefore, it is necessary to provide a fixed carrier of circuit board aiming at the deficiencies in the prior art.

[0005] A fixed carrier of circuit board, comprising a bearing plate, a sliding rod, a clamping fixing piece and a telescopic spring. The bearing plate is provided with a sliding hole penetrating up and down, the sliding rod is arranged at the bottom of the bearing plate and corresponds to the sliding hole up and down, the clamping fixing piece is clamped and penetrated in the sliding hole and is arranged symmetrically left and right, the lower end of the clamping fixing piece is penetrated in the sliding rod and can slide left and right along the sliding rod and the sliding hole, and the upper end of the clamping fixing piece is extended outside the upper surface of the bearing plate and can clamp and fix the two sides of the circuit board, and the telescopic spring is penetrated in the sliding rod and one end of the telescopic spring is elastically abutted against the lower end of the clamping fixing piece.

[0006] Further, the fixed carrier of circuit board further comprises an elastic adjusting piece, the elastic adjusting piece comprises an adjusting plate and a limiting screw, and the bottom of the bearing plate is correspondingly provided with a plurality of limiting screw holes. The two ends of the adjusting plate are respectively penetrated in the sliding rod and located outside the clamping fixing piece, the two ends of the telescopic spring are respectively abutted against the adjusting plate and the clamping fixing piece, and the limiting screw is penetrated in the middle of the adjusting plate from bottom to top and the upper end of the limiting screw is penetrated in the limiting screw hole.

[0007] Further, the fixed carrier of circuit board further comprises a limiting buffer piece, the limiting buffer piece comprises an adjusting knob, a telescopic tooth rod and a limiting buffer plate. The adjusting knob is fixedly arranged at the bottom of the bearing plate, the telescopic tooth rod is horizontally penetrated in the adjusting knob and can be adjusted to be telescopic, and the limiting buffer plate is arranged at the outside end of the telescopic tooth rod and abutted against and limited by the inside of the lower end of the clamping fixing piece.

[0008] Furthermore, the clamping fastener includes a sliding frame and a clamping plate. The sliding frame has a "U" shaped structure, passes through a sliding through hole, and its lower end passes through a sliding rod. The clamping plate is snapped onto the upper end of the sliding frame.

[0009] Furthermore, the clamping fastener also includes a flexible buffer sheet, which is attached to the inner side of the clamping plate.

[0010] In summary, the beneficial effects of this utility model's circuit board fixing carrier are as follows: By designing an elastically telescopic clamping and fixing carrier structure, the circuit board can be easily and reliably clamped and fixed for protection during production and processing; the design of an adjustable clamping elastic force adjustment structure makes the force on the circuit board more stable and reasonable when it is clamped, avoiding problems such as excessive force causing deformation or even damage to the circuit board, or insufficient force affecting the clamping firmness; the design of a buffer structure that can limit the clamping and fixing components makes it easier for the clamping and fixing components to telescopically clamp the circuit board; the design of the clamping and fixing components with a detachable combination structure makes it easier to replace the clamping plate to clamp and fix different circuit boards; this utility model is highly practical and has significant promotional value. Attached Figure Description

[0011] Figure 1 This is a front structural diagram of a circuit board fixing carrier according to the present invention.

[0012] Figure 2 This is a schematic diagram of the reverse side structure of a circuit board fixing carrier according to the present invention;

[0013] Figure 3 for Figure 1 A schematic diagram of the decomposed structure;

[0014] Figure 4 for Figure 3 Schematic diagram of the structure of the load-bearing plate;

[0015] Figure 5 for Figure 3 Exploded view of the clamping fastener;

[0016] Figure 6 for Figure 3 Exploded view of the elastic adjustment component;

[0017] Figure 7 for Figure 3 A schematic diagram of the structure of the middle limiting buffer. Detailed Implementation

[0018] In order to make the utility model purposes, technical solutions and advantages more clearly, the utility model is further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and not to limit the utility model.

[0019] As shown in Figures 1 to 7 The utility model provides a kind of fixed carrier 100 of circuit board, it includes bearing plate 10, slide bar 20, clamping fixing piece 30 and telescopic spring 40.

[0020] The bearing plate 10 is equipped with the sliding through-hole 11 that is penetrated from top to bottom, the slide bar 20 is equipped with the bottom of bearing plate 10 and is correspondingly arranged with sliding through-hole 11 from top to bottom, the clamping fixing piece 30 is clamped and is penetrated in sliding through-hole 11 and is symmetrically arranged left and right, the lower end of this clamping fixing piece 30 is extended and is penetrated in slide bar 20 and can slide left and right along slide bar 20 and sliding through-hole 11, and its upper end is extended on the upper surface of bearing plate 10 and can be clamped and fixed to the both sides of circuit board, the telescopic spring 40 is penetrated in slide bar 20 and its one end is elastically abutted with the lower end of clamping fixing piece 30.

[0021] When clamping and fixing circuit board is needed, just pull apart clamping fixing piece 30 to both sides, then place circuit board on bearing plate 10 and make it between two clamping fixing pieces 30. Under the elastic force of telescopic spring 40, the clamping fixing piece 30 of left and right sides will abut and hold the both ends of circuit board, so as to realize the fixation protection of fixed carrier to circuit board. Elastic clamping structure is more simple and easy to use relative to conventional lock catch structure, pneumatic structure and electromagnetic structure etc.

[0022] The fixed carrier 100 of circuit board further includes elastic adjusting piece 50, the elastic adjusting piece 50 includes adjusting plate 51 and limiting screw 52, the bottom of bearing plate 10 is correspondingly equipped with a plurality of limiting screw holes 12. The both ends of adjusting plate 51 are respectively penetrated in slide bar 20 and located on the outside of clamping fixing piece 30, the both ends of telescopic spring 40 are respectively abutted with adjusting plate 51 and clamping fixing piece 30, limiting screw 52 is penetrated in the middle of adjusting plate 51 from bottom to top and its upper end is penetrated in limiting screw hole 12.

[0023] When clamping a circuit board with a large length, the limiting screw 52 can be removed from the limiting screw hole 12 to release the limiting of the adjusting plate 51, then the adjusting plate 51 is slid to approach the edge side of the bearing plate 10, and then the limiting screw 52 is re-fixed to the adjusting plate 51. At this time, the telescopic spring 40 and the clamping fixing piece 30 also move outward by a distance along with the adjusting plate 51, and the elastic force provided by the telescopic spring 40 is kept in a suitable range when the clamping fixing piece 30 clamps the end of the circuit board. Conversely, when clamping a circuit board with a small length, the elastic adjusting piece 50 can be adjusted to move inward, so that the elastic force provided by the telescopic spring 40 is kept in a suitable range when the clamping fixing piece 30 clamps the end of the circuit board.

[0024] The circuit board fixing carrier 100 further comprises a limiting buffer 60, which comprises an adjusting knob 61, a telescopic tooth rod 62, and a limiting buffer plate 63. The adjusting knob 61 is fixedly arranged at the bottom of the bearing plate 10, the telescopic tooth rod 62 is horizontally arranged in the adjusting knob 61 and can be adjusted to be telescopic, and the limiting buffer plate 63 is arranged at the outer end of the telescopic tooth rod 62 and abuts against the inner side of the lower end of the clamping fixing piece 30.

[0025] When the circuit board is not clamped and fixed, the limiting buffer 60 can limit the clamping fixing piece 30, so that the telescopic spring 40 is not excessively elongated and it is not too laborious to pull apart the clamping fixing piece 30 later. The position of the buffer plate of the limiting buffer 60 can be adjusted according to the length of the circuit board to be clamped and fixed, which is more convenient for the operator to use.

[0026] The clamping fixing piece 30 comprises a sliding frame 31 and a clamping plate 32. The sliding frame 31 is designed in a "U" shape, is arranged in the sliding through hole 11, and has a lower end arranged on the sliding rod 20. The clamping plate 32 is clamped and arranged at the upper end of the sliding frame 31. The clamping fixing piece 30 is designed to be clamped and arranged, which is more convenient for the clamping plate 32 to be arranged and disassembled. In this embodiment, the clamping plate 32 is a straight-edged plate strip, and it can be understood that in other embodiments, the clamping plate 32 can be replaced by a curved-edged plate strip, so as to be more convenient for clamping and fixing circuit boards with special shapes. The clamping fixing piece 30 further comprises a flexible buffer piece 33, which is attached to the inner side of the clamping plate 32. The flexible buffer piece 33 can effectively reduce the impact force of the clamping plate 32 and the circuit board, and protect the circuit board from being damaged.

[0027] The utility model discloses a fixing carrier 100 of circuit board has the beneficial effect that: through design elastic telescopic clamping fixing carrier structure, circuit board can be simply and reliably protected by clamping fixation in the production and processing, design adjustable clamping elastic force adjusting structure, the stress of circuit board is more stable and reasonable when being fixed clamping, avoid the problem that the intensity is too big and leads to circuit board deformation even damage, or the intensity is too small and influences clamping firmness, design the buffer structure that can limit clamping fixing piece 30, make clamping fixing piece 30 more convenient telescopic clamping circuit board, clamping fixing piece 30 design combination detachable structure more convenient replacement clamping plate 32, so as to clamping fixation different circuit board, the utility model discloses practicality is strong, has stronger popularization significance.

[0028] The above-mentioned embodiment only expresses one embodiment of the utility model, and the description is more specific and detailed, but it can not be understood as the limitation of the utility model patent scope. It should be pointed out that for ordinary skilled person in the art, without departing from the concept of the utility model, a number of variations and improvements can be made, which belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent should be subject to the appended claims.

Claims

1. A fixing carrier for a circuit board, characterized by: The utility model provides a circuit board clamping device, including bearing plate, slide bar, clamping fixing piece and telescopic spring, bearing plate is equipped with the slide through -hole that penetrates up and down, slide bar is equipped bearing plate's bottom and is correspondingly arranged with slide through -hole up and down, clamping fixing piece is equipped with the slide through -hole in the card and is symmetrically arranged left and right, the lower end of this clamping fixing piece extends the slide through -hole on the slide bar and can slide left and right along the slide bar and slide through -hole, its upper end extends the upper surface of bearing plate outside and can clamping fixation to the both sides of circuit board, telescopic spring is equipped with the slide through -hole on the slide bar and its one end and the lower end of clamping fixing piece elastic resistance top.

2. The board holding fixture according to claim 1, wherein: It also includes an elastic adjusting member, the elastic adjusting member includes an adjusting plate and a limiting screw, the bottom of the bearing plate is provided with a plurality of limiting screw holes, the both ends of the adjusting plate are respectively equipped with the slide through -hole on the slide bar and located outside the clamping fixing piece, the both ends of the telescopic spring are respectively in abutment with the adjusting plate and the clamping fixing piece, the limiting screw is equipped with the middle part of the adjusting plate from bottom to top and its upper end is equipped with the limiting screw hole.

3. The board holding fixture according to claim 1, wherein: It also includes a limiting buffer, the limiting buffer includes an adjusting knob, a telescopic tooth rod and a limiting buffer plate, the adjusting knob is fixedly equipped with the bottom of the bearing plate, the telescopic tooth rod is horizontally equipped with the adjusting knob and can be adjusted telescopic, the limiting buffer plate is equipped with the outside end of the telescopic tooth rod and is in abutment with the inside of the lower end of the clamping fixing piece.

4. The board holding fixture according to claim 1, wherein: The clamping fixing piece includes a sliding frame and a clamping plate, the sliding frame is designed as a "U" structure, the sliding frame is equipped with the slide through -hole and its lower end is equipped with the slide through -hole on the slide bar, the clamping plate is equipped with the upper end of the sliding frame.

5. The board holding fixture according to claim 4, wherein: The clamping fixing piece also includes a flexible buffer sheet, the flexible buffer sheet is attached to the inner side of the clamping plate.

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