CN202009366U

CN202009366U - Signal transmission device with grounding leaf spring

Info

Publication number: CN202009366U
Application number: CN2011200064715U
Authority: CN
Inventors: 陈博义
Original assignee: SHITONG ELECTRONIC CO Ltd
Current assignee: SHITONG ELECTRONIC CO Ltd; Taiwan Cable Connection Corp
Priority date: 2011-01-11
Filing date: 2011-01-11
Publication date: 2011-10-12
Anticipated expiration: 2021-01-11

Abstract

A signal transmission device with a grounding leaf spring comprises a through shell, a circuit board and the grounding leaf spring, the circuit board is inserted in the shell and provided with a fastening hole, the grounding leaf spring is provided with a bottom wall, an extended wall and at least two sidewalls, the extended wall is horizontally extended toward one side of the bottom wall, the sidewalls are extended in an approximately upward direction from both sides of the bottom wall, the extended wall of the grounding leaf spring is in contact with the inside of the shell, and moreover, at least one inner wall surface of the two sidewalls of the grounding leaf spring abuts against the fastening hole of the circuit board. The signal transmission device can be easily assembled, and has a large contact area, thus having a good grounding effect.

Description

Signal transmitting device with grounding elastic part

Technical field

The utility model relates to a kind of signal transmitting device, particularly relates to a kind of signal transmitting device with grounding elastic part as attenuator, filter, equalizer or amplifier lightning arrester.

Background technology

Common network system, cable television network system for example, signal via coaxial cable transmission multiband, be easy to produce the problem of signal diminuendo or distortion, so must be by having the signal transmitting device of specific function, for example: filter, attenuator, equalizer and amplifier etc. be done signal and are handled, general signal transmitting device comprises a housing, an input terminal, a lead-out terminal and a circuit board, is fixed inserting in the housing behind circuit board additional input/lead-out terminal.

Owing to the signal transmitting device in the transmission meeting of high band because the difference of earth point position is affected, the signal transmitting device must possess good grounding construction, and how making the ground connection between circuit board and the housing well be the key of product development success or not, existing ground structure and shortcoming thereof are described below.

1. manage in the punching press: housing comprises a metal inner pipe and the outer tube that punching press is made, and during assembling is circuit board is inserted the metal inner pipe welding that input/output terminal before and after being pressed into again after to be detected the finishing, is inserted in outer tube the punching press encapsulation again; The shortcoming of this kind design is: higher and bridging mode is more time-consuming because of pipe cost in the punching press, and, increase more costs because the relation of interior pipe causes size of outer tube to strengthen, and in addition, size, weight factor can cause client's freight charges to increase inconvenience with installation.

2. elastic metallic pin: the angle adjustment of metal pin is a splayed configuration, inserts and extracts after tool detects again, and inserts punching press encapsulation in the pipe again.The shortcoming of this kind design is: the elastic metallic pin is generally L type and short and small, thus need use the tweezers gripping during operation, during operation cost, and also since short and small, so the location when welding is also uncontrollable, so spended time is adjusted once more; Insert tool and detect when finishing when adjusting, the elastic metallic pin is easily because overhead kick causes taking out time-consuming.

3. earthing rod: generate the earthing rod that engages with circuit board in housing is inboard, and with the seam of scolding tin processing mode.The shortcoming of this kind design is: processing is during operation cost, and if the ground connection scope is bigger, or the mechanism body volume is when big, can be because of the more difficult seam of cooling effect.

In addition, aforementioned ground structure is the structure of fixed position, so when developing new product, often compressed the space that the engineer can adjust better specification because of the restriction of earth point fixed-site.

Therefore, how overcoming aforementioned manufacturing cost height, be difficult for assembling and ground connection effect instability or the like shortcoming, allow the grounding construction of signal transmitting device assemble easily and have preferable ground connection effect, is problem demanding prompt solution.

Summary of the invention

The purpose of this utility model is to provide a kind of signal transmitting device with grounding elastic part of easy assembling.

Another purpose of the present utility model is to provide a kind of signal transmitting device with grounding elastic part that can increase contact area.

The signal transmitting device that the utlity model has grounding elastic part comprises a circuit board and the grounding elastic part that the housing, that runs through an inside is located in this enclosure interior and has a hole clipping.This grounding elastic part has a diapire, a horizontally extending wall extension of a side to this diapire, reach at least two from this upwardly extending sidewall in diapire both sides, the interior side contacts of this wall extension and this housing, and at least one sidewall can be with the hole clipping of this circuit board of inner wall surface thereof butt.

Preferably, the adjoiner of this diapire and each sidewall has at least one recess respectively; Each sidewall has an intilted inner bending section and an outward-dipping outer bending segment; The hole wall of the hole clipping of this circuit board is covered with Copper Foil, and this inner bending section or should outer bending segment can contact with this Copper Foil.

Preferably, each sidewall has at least one towards the outstanding protuberance of the ground plane of this circuit board; This diapire have at least one in this housing the first side-prominent fin; This wall extension has a plate body and at least one being positioned on this plate body towards the second side-prominent fin of this housing.

Preferably, the both sides of this wall extension are respectively arranged with described sidewall.

Preferably, described signal transmitting device also comprise a stuck-module that is located in this enclosure interior, one and the signal input part that electrically connects of this circuit board and one with the signal efferent of this circuit board electric connection, this stuck-module comprises a pedestal, a positioning seat and a forcing piece, this pedestal in the form of a ring, for being set in this signal input part outside, this positioning seat abuts against for the plate edge of this circuit board, and this forcing piece is set in this signal efferent.

Preferably, described signal transmitting device is an attenuator, filter, equalizer or amplifier lightning arrester.

The beneficial effects of the utility model are: the interior side contacts of the wall extension of grounding elastic part and housing, and two sidewalls of grounding elastic part are with the grounding parts of internal face butt circuit board, allow the grounding construction of signal transmitting device assemble easily, and grounding elastic part there is more contact area that preferable ground connection effect is arranged; Moreover grounding elastic part can need carry out the change of position according to the specification of development at any time, as long as in circuit board appropriate location design hole clipping, also be not subjected to the influence of can type body, promoted texture greatly, and can produce qualification rate height and the better product of specification.

Description of drawings

Fig. 1 is a three-dimensional exploded view, and each parts of the signal transmitting device in the preferred embodiment of the present utility model are described;

Fig. 2 is a cutaway view, and the assembled state of each parts of the signal transmitting device in the preferred embodiment of the present utility model is described;

Fig. 3 is a stereogram, and the grounding elastic part in the preferred embodiment of the present utility model is described;

Fig. 4 is a stereogram, illustrates that first fin of grounding elastic part and second fin embed housing and have the ground connection effect;

Fig. 5 is a schematic diagram, and grounding elastic part of the present utility model and the circuit board with hole clipping are described;

Fig. 6 is a schematic diagram, illustrates that grounding elastic part of the present utility model is assembled in the circuit board with hole clipping;

Fig. 7 is a cutaway view, illustrates that grounding elastic part of the present utility model clamps the circuit board and second fin and first fin with the two side dual ground connection effect is arranged.

Embodiment

Below in conjunction with drawings and Examples the utility model is elaborated.

Consult Fig. 1, in the preferred embodiment of the present utility model, signal transmitting device 100 comprises stuck-module 6, that the housing 5, that runs through an inside is located in housing 5 inside and is subjected to stuck-module 6 fixing a circuit module 2 and a grounding elastic part 1; Preferably, signal transmitting device 100 can be an attenuator, filter, equalizer or amplifier lightning arrester.

Consult Fig. 2, and cooperation Fig. 1, aspect assembling, housing 5 inner formation one accommodation spaces 510 and inwall are that conductive material is made, and in the present embodiment, this housing 5 is a copper pipe, stuck-module 6 is fixedly arranged on circuit module 2 in the accommodation space 510 of housing 5, grounding elastic part 1 is arranged on the circuit module 2, and circuit module 2 is arranged in the housing 5 and reaches ground connection by the internal face that grounding elastic part 1 is connected to housing 5, and details are as follows for each assembly structure.

Circuit module 2 comprises a circuit board 21, a signal input part 231 and a signal efferent 232, and circuit board 21 is provided with circuit and electronic building brick (figure does not show), signal input part 231 all is arranged on the circuit board 21 and with circuit and electronic building brick with signal efferent 232 and electrically connects, in the present embodiment, signal input part 231 is an input terminal, and signal efferent 232 is a metallic pin.

Stuck-module 6 comprises a pedestal 61, a positioning seat 62 and a forcing piece 63; The material of pedestal 61 for the insulation material and in the form of a ring and have a through hole 610, pedestal 61 is set in the outside front end place with circuit board 21 of signal input part 231; Positioning seat 62 is stretched through for signal input part 231 and the plate edge of power circuit board 21 abuts against; Forcing piece 63 is set in the junction of circuit board 21 and signal efferent 232, comprises that one is the insulation washer 631 and a packing collar 632 of ring plate shape.

Insulation washer 631 is set in outside the signal efferent 232,632 of the packing collars are set in outside the insulation washer 631, when in the accommodation space 510 of circuit module 2 at housing 5, its place, forward and backward two ends is connected to housing 5 internal faces by pedestal 61 and the packing collar 632 outer rims respectively and packing is positioned in the housing 5, circuit module 2 is limited in the housing 5, and the internal face that the packing collar 632 closely is incorporated into insulation washer 631 and housing 5 also has moistureproof function.

Consult Fig. 3, grounding elastic part 1 has a diapire 11, to the horizontally extending wall extension 13 of a side of diapire 11, and at least two roughly be upwardly extending sidewall 12,12 ' respectively from the diapire both sides, and whole side is watched and roughly is the shape of falling F; The wall extension 13 of grounding elastic part 1 contacts with the madial wall of housing 5 (as shown in Figure 4), is respectively arranged with described sidewall 12,12 ' in the both sides of wall extension 13, for convenience of description for the purpose of, below be the example explanation with one-sided.

Each sidewall 12,12 ' of grounding elastic part 1 has an intilted inner bending section 121,121 ', outward-dipping outer bending segment 123,123 ' and one internal face 122,122 ' respectively, and, internal face 122,122 ' has towards the outstanding protuberance 31,31 ' of the ground plane of circuit board 21, borrows the effect of elastic force contact-enhancing.

In addition, for the contact area that increases and housing 5 (as shown in Figure 4) is inboard, the diapire 11 of grounding elastic part 1 has at least one towards the housing 5 interior first side-prominent fins 111; Wall extension 13 has a plate body 131 and at least one being positioned on the plate body 131 towards the second side-prominent fin 132 of housing 5.

For the elasticity of keeping grounding elastic part 1 makes it be not easy distortion and keeps chucking power, the diapire 11 of grounding elastic part 1 and each sidewall 12,12 ' adjoiner have at least one recess 32,32 '; In the present embodiment, be positioned at right-hand two side up and down of wall extension 13 12,12 ' and the adjoiner of diapire 11 have two recesses 32, two recesses 32 ' respectively, and the recess 32,32 ' of present embodiment is the concave point of beating that is provided with on the R angle of grounding elastic part 1 bending part, main enhanced grounding shell fragment 1 produces the direction stress opposite with the direction of motion when embedding circuit board 21 location, the elasticity of keeping grounding elastic part 1 makes it be not easy to be out of shape and to keep chucking power.

Consult Fig. 4, first fin 111 of grounding elastic part 1, second fin 132 have the ground connection effect after embedding housing 5, and grounding elastic part 1 clamps circuit board 21 with sidewall 12,12 ', and wall extension 13 has an angle of inclination with the inner tubal wall of housing 5, by the good and stable ground connection effect of the elastic force maintenance of itself.

Consult Fig. 5 and Fig. 6, except aforesaid first fin 111,

second fin

132,12,12 ' internal face 122,122 ' has protuberance 31,31 ' because grounding elastic part 1 is in the two side, circuit board 21 has a hole clipping 210, the hole wall of hole clipping 210 is covered with the Copper Foil 211 of being used as ground plane, as shown in Figure 6, protuberance 31,31 ' is used to embed the hole clipping 210 of circuit board 21; At least one sidewall 12,12 ' can be with inner bending section 121,121 ' or the hole clipping 210 of outer bending segment 123,123 ' internal face 122,122 ' butt circuit board 21 and can contacting with this Copper Foil, except having ground connection guiding effectiveness, fixing in case anti-avulsion is also arranged from, the function that comes off or be shifted.

Consult Fig. 7, the grounding elastic part 1 of signal transmitting device 100 is assembled in the accommodation space 510 of housing 5, with two side 12,12 ' and protuberance 31,31 ' clamp the hole clipping 210 that circuit board 21 is used as grounding parts, and second fin 132 that is positioned at wall extension 13 and first fin 111 that is positioned at diapire 11 can contact the inner tubal wall of housing 5, produce dual ground connection effect.

In sum, the effect of signal transmitting device 100 of the present utility model is:

1. grounding elastic part 1 can change earthing position arbitrarily according to the demand of the specification of developing new product, and only must get final product in circuit board 21 suitable Position Design hole clippings 210.

2. when grounding elastic part 1 being installed, only grounding elastic part 1 must be pushed the hole clipping 210 of circuit board 21, need not re-use seam mode conducting ground connection, after being mounted to the location, its contact point can direct conducting ground connection.

Grounding elastic part 1 have elasticity and repeatedly plug use, when plug repeatedly, can not make it lose chucking power, also be not easy to damage or rupture because of plug repeatedly causes.

4. grounding elastic part 1 has first fin 111, second fin 132 of strip in the structure side that embeds circuit board 21, strengthens its stress, makes it be not easy to cause distortion because of external force when installing and break away from.

5. because the embedded design of grounding elastic part 1 so when product keeps in repair, can not be corrupted to circuit, part on the circuit board, reduces the maintenance loss.

From the above mentioned, can reach the purpose of this utility model really.

Claims

1. the signal transmitting device with grounding elastic part comprises the circuit board that the housing and that runs through an inside is located in this enclosure interior; It is characterized in that:

This signal transmitting device also comprises a grounding elastic part, and this grounding elastic part has a diapire, a horizontally extending wall extension of a side to this diapire, reaches at least two respectively from this upwardly extending sidewall in diapire both sides; This circuit board also has a hole clipping; The interior side contacts of this wall extension and this housing, and wherein at least one sidewall can be with the hole clipping of this circuit board of inner wall surface thereof butt.

2. according to the described signal transmitting device with grounding elastic part of claim 1, it is characterized in that: each sidewall has an intilted inner bending section and an outward-dipping outer bending segment.

3. according to the described signal transmitting device with grounding elastic part of claim 2, it is characterized in that: the hole wall of the hole clipping of this circuit board is covered with Copper Foil, and this inner bending section or should outer bending segment can contact with this Copper Foil.

4. according to the described signal transmitting device with grounding elastic part of claim 3, it is characterized in that: each sidewall has at least one towards the outstanding protuberance of the ground plane of this circuit board.

5. according to the described signal transmitting device of claim 4, it is characterized in that with grounding elastic part: this diapire have at least one in this housing the first side-prominent fin.

6. according to the described signal transmitting device with grounding elastic part of claim 5, it is characterized in that: this wall extension has a plate body and is positioned on this plate body and towards side-prominent at least one second fin of this housing.

7. according to the described signal transmitting device with grounding elastic part of claim 2, it is characterized in that: the adjoiner of this diapire and each sidewall has at least one recess respectively.

8. according to each described signal transmitting device with grounding elastic part of claim 1 to 7, it is characterized in that: the both sides of this wall extension are respectively arranged with described sidewall.

9. according to each described signal transmitting device of claim 1 to 7 with grounding elastic part, it is characterized in that: the signal transmitting device also comprise a stuck-module that is located in this enclosure interior, one and the signal input part that electrically connects of this circuit board and one with the signal efferent of this circuit board electric connection, this stuck-module comprises a pedestal, a positioning seat and a forcing piece, this pedestal in the form of a ring, for being set in this signal input part outside, this positioning seat abuts against for the plate edge of this circuit board, and this forcing piece is set in this signal efferent.

10. according to each described signal transmitting device with grounding elastic part of claim 1 to 7, it is characterized in that: the signal transmitting device is an attenuator, filter, equalizer or amplifier lightning arrester.