CN220023287U - Frequency source module structure - Google Patents

Abstract

The utility model provides a frequency source module structure, which comprises a shell, wherein the cross section of the shell is rectangular, one surface of the shell is open and is fixedly connected with a detachable shell cover, a circuit board is arranged in the shell, a plurality of round holes are formed in one side surface of the shell at equal intervals, an interface for connecting a cable with a male plug is inserted in the round holes, one end of the interface in the shell is fixedly connected with a metal sheet, a pin is welded at the contact part of the circuit board and the metal sheet, a small hole is formed in one side surface of the metal sheet, a limit groove for limiting the diffusion range of tin liquid is formed at the overlapping part of the shell and the metal sheet, and one end of the pin, which is far away from the circuit board, penetrates through the small hole and extends into the limit groove, and the frequency source module structure has the following advantages: the size of the shell is reduced without adopting a shell with an inner space larger than the size of the circuit board, and the situation that the welding part of the interface and the circuit board is broken due to stress is avoided.

Description

Frequency source module structure

Technical Field

The utility model relates to a frequency source module structure, and belongs to the field of frequency sources.

Background

Frequency sources are indispensable key components of modern communication systems and radar systems. The circuit board in the frequency source is generally inserted in the space formed by the shell and the shell cover, wherein one side surface of the shell is provided with a plurality of interfaces which are electrically connected with the circuit board and are used for connecting the male plugs on the cables, firstly, the interfaces are fixed at corresponding positions of the circuit board in a soldering way, after being welded on the circuit board, the circuit board is placed in the shell, and a plurality of interfaces on the circuit board are respectively inserted into corresponding round holes on the shell.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide a frequency source module structure so as to solve the problems in the background art.

In order to achieve the above object, the present utility model is realized by the following technical scheme: the utility model provides a frequency source module structure, includes the casing, the casing cross section is the rectangle, casing one side is the opening form and connects fixedly there is detachable cap, install the circuit board in the casing, a plurality of round holes have been seted up to casing side equidistance, install the interface that is used for connecting the cable of taking public plug in the round hole, the one end that the interface is in the casing is connected fixedly with the sheetmetal, the welding of the position that the circuit board contacted with the sheetmetal has the pin, the aperture has been seted up to sheetmetal one side, the spacing groove that is used for restricting tin liquid diffusion scope has been seted up to the position that the casing coincides with the sheetmetal, the one end that the pin kept away from the circuit board runs through the aperture and extends to in the spacing groove.

Further, a plurality of through holes are formed in one face, away from the shell cover, of the shell body, and the through holes are communicated with one another.

Further, the one side that the casing deviates from the cap is equipped with the blanking cover that is used for shutoff opening and spacing groove, the blanking cover is connected fixedly with the casing through a plurality of screws.

Further, a plurality of perforations are formed in one side face of the circuit board, positioning columns are inserted into the perforations, one ends of the positioning columns are fixedly connected with the shell, and one ends of the positioning columns are in contact with the shell cover.

Further, the four corners of the shell, which face the shell cover, are provided with second fixing holes, and the four corners of one side face of the shell cover are provided with first fixing holes aligned with the second fixing holes.

Further, gaps are formed in four corners of the shell, and the second fixing holes are communicated with the gaps.

Further, a plurality of countersunk holes are formed in the edge of one face, away from the shell, of the shell cover, and connecting screws in threaded connection with the shell are inserted into the countersunk holes.

The utility model has the beneficial effects that:

1. firstly, the interface is inserted into a round hole on the shell, at the moment, the metal sheet on the interface is aligned with the limit groove on the shell, then the circuit board is placed in the shell, at the moment, the welded pins on the circuit board penetrate through the small holes on the metal sheet to extend into the limit groove, and the tin bar is melted in the limit groove by using the electric iron, so that the metal sheet is fixedly connected with the pins under the action of tin liquid, the circuit board and the interface are welded after being respectively installed, the shell with the inner space larger than the size of the circuit board is not needed, the size of the shell is reduced, and the situation that the welded part of the interface and the circuit board is broken due to stress is avoided.

2. Under the effect of the limiting groove, the diffusion range of the molten tin is limited, so that a passage is prevented from being formed between the pin and welding spots at other positions when the diffusion range of the molten tin is large, and the efficiency of soldering is improved.

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:

FIG. 1 is a schematic diagram of a frequency source module structure according to the present utility model;

FIG. 2 is a schematic diagram illustrating the assembly of a circuit board and a housing in a frequency source module structure according to the present utility model;

FIG. 3 is a schematic diagram illustrating the assembly of an interface and a housing in a frequency source module structure according to the present utility model;

FIG. 4 is an enlarged view of FIG. 3 at A;

in the figure: 1-shell, 2-blanking cover, 3-breach, 4-round hole, 5-interface, 6-cap, 7-first fixed orifices, 8-circuit board, 9-reference column, 10-second fixed orifices, 11-opening, 12-sheetmetal, 13-pin, 14-spacing groove, 15-aperture.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

Referring to fig. 1 and 2, the present utility model provides a technical solution: the utility model provides a frequency source module structure, includes casing 1 that the cross section is the rectangle, and wherein casing 1 one side is the opening form, covers casing lid 6 on the side of casing 1 opening form, then all inserts the connecting screw in a plurality of counter bores that casing 6 deviates from the one side edge department of casing 1 and offer to make connecting screw and casing 1 threaded connection, accomplish the equipment of casing 6 and casing 1.

Referring to fig. 2, a circuit board 8 is installed in the housing 1, wherein a plurality of through holes are formed in a side surface of the circuit board 8, positioning columns 9 with one ends connected and fixed with the housing 1 are inserted into the through holes, one ends of the positioning columns 9 are contacted with the housing cover 6 after the housing cover 6 is connected with the housing 1, and the plurality of positioning columns 9 jointly support the housing cover 6, so that the extrusion resistance of the housing cover 6 is improved, and the thickness of the housing cover 6 is reduced.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, a plurality of round holes 4 are equidistantly formed on one side of a shell 1, an interface 5 for connecting a cable with a male plug is inserted into the round holes 4, a metal sheet 12 is fixedly connected to one end of the interface 5 in the shell 1, a pin 13 is welded at a position where the circuit board 8 contacts the metal sheet 12, a small hole 15 is formed on one side of the metal sheet 12, a limit groove 14 for limiting the diffusion range of tin liquor is formed at a position where the shell 1 and the metal sheet 12 coincide, one end of the pin 13 far away from the small hole 15 and extends into the limit groove 14, the interface 5 is firstly inserted into the round holes 4 on the shell 1, the metal sheet 12 on the interface 5 is aligned with the limit groove 14 on the shell 1, then the circuit board 8 is placed in the shell 1, the small hole 15 welded on the circuit board 8 extends into the limit groove 14, and the tin strip is melted in the limit groove 14 by using an electric soldering iron, thereby the metal sheet 12 is fixedly connected with the pin 13 at a position where the tin liquor coincides, the position where the circuit board 8 is far away from the small hole 15 and extends into the limit groove 14, the size of the circuit board 8 is not required to be welded with the shell 1, and the size of the large size of the interface is reduced, and the size of the circuit board is not required to be welded with the limit groove 1, and the limit groove is reduced, and the size of the circuit board is greatly is not required to be welded, and the size is the size of the interface is 1.

Referring to fig. 1, fig. 2 and fig. 4, a plurality of through holes 11 are formed on one surface of the shell 1, which faces away from the shell cover 6, wherein the through holes 11 are mutually communicated, the design of the through holes 11 is favorable for heat dissipation of the circuit board 8, a blocking cover 2 for blocking the through holes 11 and the limiting grooves 14 is arranged on one surface of the shell 1, which faces away from the shell cover 6, wherein the blocking cover 2 is fixedly connected with the shell 1 through a plurality of screws, the blocking cover 2 is small in blocking, the through holes 11 and the limiting grooves 14 are hidden, the second fixing holes 10 are formed in four corners of one surface of the shell 1, which faces the shell cover 6, the first fixing holes 7 aligned with the second fixing holes 10 are formed in four corners of one side surface of the shell cover 6, the bolts penetrate through channels formed by the first fixing holes 7 and the second fixing holes 10 and are installed at required positions, limiting on the positions of the shell 1 is completed, gaps 3 communicated with the second fixing holes 10 are formed in four corners of the shell 1, and the length of the bolts for fixing the shell 1 is favorable for reducing through the design of the gaps 3.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (7)

1. A frequency source module structure comprising a housing (1), characterized in that: the utility model discloses a circuit board, including casing (1), metal sheet (12), aperture (15) have been seted up to casing (1) one side for opening form and connection are fixed with detachable cap (6), install circuit board (8) in casing (1), a plurality of round holes (4) have been seted up to casing (1) one side equidistance, install interface (5) that are used for connecting the cable of taking public plug in round hole (4), interface (5) are in the one end connection of casing (1) and are fixed with sheetmetal (12), the welding of the position that circuit board (8) contacted with sheetmetal (12) has pin (13), aperture (15) have been seted up to sheetmetal (12) one side, limit groove (14) for restricting tin liquid diffusion range have been seted up at the position that casing (1) coincides with sheetmetal (12), the one end that circuit board (8) were kept away from to pin (13) runs through aperture (15) and extends to in limit groove (14).

2. A frequency source module structure according to claim 1, characterized in that: a plurality of through holes (11) are formed in one surface, away from the shell cover (6), of the shell (1), and the through holes (11) are mutually communicated.

3. A frequency source module structure according to claim 2, characterized in that: one surface of the shell (1) deviating from the shell cover (6) is provided with a blocking cover (2) for blocking the through hole (11) and the limit groove (14), and the blocking cover (2) is connected and fixed with the shell (1) through a plurality of screws.

4. A frequency source module structure according to claim 1, characterized in that: a plurality of perforations are formed in one side face of the circuit board (8), positioning columns (9) are inserted into the perforations, one ends of the positioning columns (9) are fixedly connected with the shell (1), and one ends of the positioning columns (9) are in contact with the shell cover (6).

5. A frequency source module structure according to claim 1, characterized in that: second fixing holes (10) are formed in four corners of one surface of the shell (1) facing the shell cover (6), and first fixing holes (7) aligned with the second fixing holes (10) are formed in four corners of one side surface of the shell cover (6).

6. A frequency source module structure according to claim 5, wherein: gaps (3) are formed in four corners of the shell (1), and the second fixing holes (10) are communicated with the gaps (3).

7. A frequency source module structure according to claim 1, characterized in that: a plurality of countersunk holes are formed in the edge of one face, away from the shell (1), of the shell cover (6), and connecting screws in threaded connection with the shell (1) are inserted into the countersunk holes.