CN217770474U - Low-loss high-frequency printed circuit board - Google Patents

Abstract

The utility model discloses a low-loss high frequency printed circuit board, including the circuit board body, the upper surface of circuit board body is provided with the component face, and the component is provided with the face of weld in the face of the bottom surface that the facade is located the circuit board body, the four corners department of circuit board body all runs through and has seted up the locating hole, peg graft in the inside of locating hole has the location axle, and the location axle can be used to the installation with install on the table surface, the equal symmetrical handheld piece that articulates in both sides around the circuit board body, through setting up locating hole, location axle, under the cooperation of the two, because the locating hole is top-down's round platform type, based on this setting, when the staff is because of carelessness with circuit board body left-hand thread to the location epaxial, the location axle just can't completely cooperate to the inside of locating hole this moment, therefore has just significantly reduced and has neglected the reverse condition of appearance of circuit board body installation because of staff, and then reduced the circuit board body effectively and impaired probability appears in installation component and welded element in-process.

Description

Low-loss high-frequency printed circuit board

Technical Field

The utility model relates to a circuit board field specifically relates to low-loss high frequency printed circuit board.

Background

The printed circuit board is an indispensable key component in modern electronic equipment, not only provides mechanical support for fixing and assembling electronic components, but also realizes wiring and electrical connection between the electronic components, and the classification modes of the printed circuit board are generally two types: according to substrate classification, according to structure classification, substrate printed circuit board can divide into: a paper-based printed board, a glass cloth-based printed circuit board, a synthetic fiber printed board, a ceramic-based printed board, and a metal core-based printed board;

the two sides of the printed substrate are called a component surface and a welding surface respectively, the component surface is provided with components, the component outgoing line passes through the jack of the substrate, and the welding pads of the welding surface are connected by welding to form circuits, wherein the low-loss high-frequency printed circuit board has the advantages of low loss, high efficiency and the like as defined by the name, and the function in the technical field of electrical application is not small;

however, such low-loss high-frequency printed circuit boards have the following problems in the process of mounting components and performing work on the soldering surface: firstly, before the circuit board is not provided with components and welded, the component surface and the welding surface of the circuit board are difficult to distinguish, so that the corresponding operation is not carried out on a correct panel, and the circuit board is damaged and cannot be used continuously; secondly, because many circuit components are mounted on the surface of the circuit board, the circuit components are usually small and easily damaged by external static electricity, and once the circuit board is damaged by static electricity, the circuit board cannot be normally used.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the technical scheme provides the low-loss high-frequency printed circuit board, and solves the technical problems that the circuit board is easy to damage in the process of mounting elements and welding the circuit board in the background technology.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the low-loss high-frequency printed circuit board comprises a circuit board body, wherein an element surface is arranged on the upper surface of the circuit board body, a welding surface is arranged on the bottom surface of the element surface, facing to a vertical surface, of the circuit board body, positioning holes are formed in four corners of the circuit board body in a penetrating mode, positioning shafts are inserted into the positioning holes and can be used for being installed on a working table surface, and handheld pieces are symmetrically hinged to the front side and the rear side of the circuit board body.

Preferably, the positioning hole is of a circular truncated cone shape from top to bottom, the inner wall of the positioning hole is uniformly provided with grooves, and the outer part of the positioning shaft is uniformly provided with clamping parts.

Preferably, the strip groove is isosceles trapezoid, and the clamping part can be matched with the strip groove in a sliding connection mode.

Preferably, the whole of the handheld piece is made of polyvinyl chloride, finger grooves are formed in the front side surface and the rear side surface of the handheld piece, and anti-slip corrugations are arranged on the inner walls of the finger grooves.

Preferably, the connecting pieces are symmetrically and fixedly connected to the outer sides of the handheld pieces, the lower ends of the connecting pieces are fixedly hinged to clamping shafts, and the matching cylinders are sleeved outside the clamping shafts.

Preferably, the outer wall equipartition of card axle is equipped with the elasticity card strip, the lower extreme of elasticity card strip is provided with the closure portion, and the lateral surface of closure portion is top-down's inclined plane.

Preferably, a locking groove is correspondingly formed in the outer side of the locking portion and in the inner wall of the matching barrel, a spring abutting shaft is inserted in the outer side of the locking groove, the spring abutting shaft is movably inserted in the matching barrel through a spring, and the inner end of the spring abutting shaft abuts against the inclined surface of the locking portion.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) The utility model discloses a set up locating hole, location axle, under the cooperation of the two, because the locating hole is the round platform type of top-down, set up on this basis, when the staff because of carelessness with circuit board body left-hand thread to the location on the axle, the location axle just can't fit to the inside of locating hole completely at this moment, so has reduced greatly because of the staff neglected the reverse condition of circuit board body installation, and then has reduced the circuit board body effectively and has appeared impaired probability in installation component and welded element process;

(2) The utility model discloses a set up handheld piece, finger groove, through the finger groove on the handheld piece of handheld circuit board body front and back both sides, this whole of handheld piece is the polyvinyl chloride material, and this material can reduce static electricity transmission to circuit board body surface when the human body contacts the circuit board body effectively, and then has guaranteed the security of circuit board body in the operation process, simultaneously through setting up the finger groove that has anti-skidding ripple, the circuit board body of taking of staff's hand is convenient for;

(3) The utility model discloses a set up the card axle, a cooperation section of thick bamboo, the elasticity card strip that is located the outside all laying of card axle can imbed the inside of locked groove automatically under the effect of its rebound force to accomplish the installation to the circuit board body, and this use not only can directly be used for the circuit board body to install to electrical equipment on, also can be used for the circuit board body to detect or the in-process of pre-installation in addition, through this setting can be quick convenient completion to the installation of circuit board body, in order to realize more efficient use of coming into operation.

Drawings

Fig. 1 is a schematic view of a front perspective structure of the present invention;

fig. 2 is a schematic bottom perspective view of the present invention;

FIG. 3 is a schematic view of a partial three-dimensional structure of the middle positioning hole of the present invention;

FIG. 4 is a schematic view of a partial three-dimensional structure of the middle positioning shaft of the present invention;

fig. 5 is a schematic view of a partially enlarged perspective structure at a in fig. 1 according to the present invention;

fig. 6 is a schematic view of the three-dimensional structure of the middle shaft and the matching cylinder.

The reference numbers in the figures are: 1. a circuit board body; 2. an element surface; 3. welding a surface; 4. positioning holes; 41. a strip groove; 5. positioning the shaft; 51. a fastening part; 6. a hand-held piece; 61. a finger groove; 7. a connecting member; 8. clamping a shaft; 81. an elastic clamping strip; 82. a locking portion; 9. a fitting barrel; 91. locking the groove; 10. the spring is against the shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example one

Referring to fig. 2, 5 and 6, the low-loss high-frequency printed circuit board includes a circuit board body 1, an upper surface of the circuit board body 1 is provided with a component surface 2, a welding surface 3 is arranged on a bottom surface of the circuit board body 1 opposite to the component surface 2, front and rear sides of the circuit board body 1 are symmetrically hinged with a handheld piece 6, the whole handheld piece 6 is made of polyvinyl chloride, front and rear side surfaces of the handheld piece 6 are respectively provided with a finger groove 61, an inner wall of the finger groove 61 is provided with an anti-slip corrugation, an outer side of the handheld piece 6 is symmetrically and fixedly connected with a connecting piece 7, a lower end of the connecting piece 7 is fixedly hinged with a clamping shaft 8, an outer wall of the clamping shaft 8 is uniformly provided with an elastic clamping strip 81, a lower end of the elastic clamping strip 81 is provided with a locking portion 82, an outer side surface of the locking portion 82 is an inclined surface, a matching barrel 9 is sleeved on the outer side of the clamping shaft 8, and an inner wall of the locking portion 82 located on the matching barrel 9 is correspondingly provided with a locking groove 91.

The working principle is as follows: when the circuit board is used, a worker can drive the clamping shaft 8 to be downwards inserted and matched along the inside of the matching barrel 9 through the finger grooves 61 on the handheld pieces 6 on the front side and the rear side of the handheld circuit board body 1 and turn right angle outwards under the action of the connecting piece 7, the matching barrel 9 can be correspondingly installed on the electrical equipment to be installed, in the matching process of the clamping shaft 8 and the matching barrel 9, the locking part 82 at the lower end of the elastic clamping strip 81 arranged on the outer wall of the clamping shaft 8 can be firstly abutted to the upper end port of the matching barrel 9, and the elastic clamping strip 81 is driven to gradually abut against the inner wall of the matching barrel 9 along with the continuous downward movement of the clamping shaft 8, so that the whole elastic clamping strip 81 is elastically deformed, and when the elastic clamping strip 81 moves to the locking groove 91 on the inner wall of the matching barrel 9, elastic card strip 81 is automatic embedding locked groove 91's inside under the effect of its rebound force this moment, so far, accomplish the installation to circuit board body 1, this installation not only can directly be used for circuit board body 1 to install to electrical equipment on, in addition also can be used for circuit board body 1 to detect or the in-process of pre-installation, completion that can be convenient fast through this setting is to circuit board body 1's installation, in order to realize more efficient the use of putting into use, and when the staff need support circuit board body 1 from the spring when taking off on axle 10, only need support axle 10 through the spring of pressing the inside spring of pegging graft of spring of interior cooperation section of thick bamboo 9, make the spring support axle 10 compression spring and make elastic card strip 81 atress once more take place elastic deformation, the staff can take off circuit board body 1 afterwards.

Example two

Referring to fig. 1 to 6, a low-loss high-frequency printed circuit board includes a circuit board body 1, an upper surface of the circuit board body 1 is provided with a component surface 2, an opposite surface of the component surface 2 is provided with a welding surface 3 on a bottom surface of the circuit board body 1, four corners of the circuit board body 1 are all penetrated and provided with positioning holes 4, positioning shafts 5 are inserted into the positioning holes 4, the positioning holes 4 are of a top-down circular truncated cone shape, the inner walls of the positioning holes 4 are uniformly provided with strip grooves 41, the outer portions of the positioning shafts 5 are uniformly provided with clamping portions 51, the strip grooves 41 are isosceles trapezoid, the clamping portions 51 can be in sliding connection and matching with the strip grooves 41, the positioning shafts 5 can be used for mounting and mounting a working table, and a user can conveniently use the positioning holes 4 and the positioning shafts 5 to position and distinguish different surfaces of the circuit board body 1;

the front side and the rear side of the circuit board body 1 are symmetrically hinged with the handheld pieces 6, the whole of the handheld pieces 6 is made of polyvinyl chloride, finger grooves 61 are formed in the surfaces of the front side and the rear side of the handheld pieces 6, anti-slip corrugations are arranged on the inner walls of the finger grooves 61, connecting pieces 7 are symmetrically and fixedly connected to the outer sides of the handheld pieces 6, clamping shafts 8 are fixedly hinged to the lower ends of the connecting pieces 7, elastic clamping strips 81 are evenly distributed on the outer walls of the clamping shafts 8, locking portions 82 are arranged at the lower ends of the elastic clamping strips 81, inclined planes from top to bottom are formed in the outer sides of the locking portions 82, matching cylinders 9 are sleeved on the outer portions of the clamping shafts 8, locking grooves 91 are correspondingly formed in the inner walls, located on the matching cylinders 9, springs are inserted into the outer sides of the locking grooves 91, the springs abut against the shafts 10, the springs abut into the matching cylinders 9 through the springs in a movable manner, and the inner ends of the springs abut against the inclined planes of the locking portions 82.

The utility model discloses a complete use and theory of operation as follows:

firstly, when an operator needs to perform operation on the component surface 2 on the upper surface and the welding surface 3 on the lower surface of the circuit board body 1, the operation can be completed by mounting and fixing each group of positioning shafts 5 on the operation table surface in advance, then the hand-held piece 6 is integrally made of polyvinyl chloride material through the finger grooves 61 on the hand-held pieces 6 on the front side and the rear side of the circuit board body 1, the material can effectively reduce static electricity transferred to the surface of the circuit board body 1 when a human body contacts with the circuit board body 1, so that the safety of the circuit board body 1 in the operation process is ensured, the finger grooves 61 are formed in the front side and the rear side of the hand-held piece 6, the inner walls of the finger grooves 61 are provided with anti-slip corrugations, meanwhile, the circuit board body 1 can be conveniently taken by the hand of the operator by arranging the finger grooves 61 with the anti-slip corrugations, after the circuit board body 1 is taken by the operator, the positioning holes 4 are arranged on the basis of a circular table shape with the positioning holes 4 penetrating through the surfaces, and the positioning holes 4 are arranged from top to bottom, so that the possibility of the reverse matching of the components mounted on the circuit board body 1 is greatly reduced when the operator reversely buckles the circuit board body 1;

and when the staff cooperates the locating hole 4 of circuit board body 1 four sides to the outside of location axle 5 with the exact direction, in this process, because be provided with strip groove 41 and block portion 51 respectively in the inside of locating hole 4 and the outer wall of location axle 5, this strip groove 41 can realize the sliding connection cooperation with block portion 51, along with the staff is at the in-process of installation circuit board body 1 promptly, strip groove 41 accomplishes the sliding fit with block portion 51 is automatic, thereby play location and reinforced effect to the installation of circuit board body 1, promote the locating hole 4 and the accuracy of location axle 5 complex greatly.

In addition, through arranging the clamping shaft 8 and the matching barrel 9 at the front side and the rear side of the circuit board body 1, when a worker needs to install the circuit board body 1 on an electrical device for use, the circuit board body is turned right angle outwards by holding the handheld piece 6, so that the handheld piece 6 is under the action of the connecting piece 7, the clamping shaft 8 is enabled to be downwards inserted and matched along the inside of the matching barrel 9, the matching barrel 9 can be correspondingly installed on the electrical device to be installed, in the matching process of the clamping shaft 8 and the matching barrel 9, the locking part 82 at the lower end of the elastic clamping strip 81 arranged on the outer wall of the clamping shaft 8 is firstly abutted to the upper end port of the matching barrel 9, and the elastic clamping strip 81 is enabled to be gradually abutted to the inner wall of the matching barrel 9 along with the continuous downward moving of the clamping shaft 8, so that the elastic clamping strip 81 is elastically deformed integrally, when the elastic clamping strip 81 moves to the locking groove 91 on the inner wall of the matching barrel 9, the elastic clamping strip 81 is automatically embedded into the locking groove 91 under the action of the rebound force at the inner wall of the locking barrel 91, so as to complete the installation of the circuit board body 1, the installation process can be directly used for installation of the electrical device with the circuit board body 1, and the circuit board body, and can be installed in addition, and can be more conveniently and can be conveniently and quickly installed on the electrical device for use in a detection process of the circuit board body 1;

and when the staff need support the axle 10 with circuit board body 1 from the spring and take off, only need support axle 10 through pressing the inside spring that connects through the spring of pressing interior cooperation section of thick bamboo 9, impel the spring to support axle 10 compression spring and make elasticity card strip 81 atress once more take place elastic deformation, the staff can take off circuit board body 1 afterwards.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. Low-loss high frequency printed circuit board, including circuit board body (1), its characterized in that: the upper surface of the circuit board body (1) is provided with an element surface (2), the bottom surface of the opposite surface of the element surface (2) on the circuit board body (1) is provided with a welding surface (3), the four corners of the circuit board body (1) are provided with positioning holes (4) in a penetrating mode, positioning shafts (5) are inserted into the positioning holes (4), and the front side and the rear side of the circuit board body (1) are symmetrically hinged to handheld pieces (6).

2. The low-loss high-frequency printed circuit board according to claim 1, wherein: the positioning hole (4) is of a circular truncated cone shape from top to bottom, the inner wall of the positioning hole (4) is uniformly provided with a strip groove (41), and the outside of the positioning shaft (5) is uniformly provided with clamping parts (51).

3. The low-loss high-frequency printed circuit board according to claim 2, wherein: the strip groove (41) is in an isosceles trapezoid shape, and the clamping portion (51) can be matched with the strip groove (41) in a sliding connection mode.

4. The low-loss high-frequency printed circuit board according to claim 1, wherein: the whole of handheld piece (6) is the polyvinyl chloride material, and finger groove (61) have all been seted up to the front and back both sides surface of handheld piece (6), and the inner wall in finger groove (61) is provided with anti-skidding ripple.

5. The low-loss high-frequency printed circuit board according to claim 4, wherein: the outside symmetry fixedly connected with connecting piece (7) of handheld piece (6), and the fixed articulated card axle (8) that has of lower extreme of connecting piece (7), the outside cover of card axle (8) is equipped with a cooperation section of thick bamboo (9).

6. The low-loss high-frequency printed circuit board according to claim 5, wherein: elastic clamping strips (81) are uniformly distributed on the outer wall of the clamping shaft (8), a locking portion (82) is arranged at the lower end of each elastic clamping strip (81), and the outer side face of each locking portion (82) is an inclined face from top to bottom.

7. The low-loss high-frequency printed circuit board according to claim 6, wherein: the locking device is characterized in that a locking groove (91) is correspondingly formed in the outer side of the locking portion (82) and located on the inner wall of the matching barrel (9), a spring abutting shaft (10) is inserted in the outer side of the locking groove (91), the spring abutting shaft (10) is movably inserted in the matching barrel (9) through a spring, and the inner end of the spring abutting shaft (10) abuts against the inclined surface of the locking portion (82).

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