CN208151505U - Protective device is electroplated - Google Patents
Protective device is electroplated Download PDFInfo
- Publication number
- CN208151505U CN208151505U CN201820656413.9U CN201820656413U CN208151505U CN 208151505 U CN208151505 U CN 208151505U CN 201820656413 U CN201820656413 U CN 201820656413U CN 208151505 U CN208151505 U CN 208151505U
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- China
- Prior art keywords
- swivel nut
- seal groove
- protective device
- plating
- sealing ring
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Abstract
The utility model discloses a kind of plating protective devices; including swivel nut; swivel nut is annular in shape; it is set on the device that need to be protected; the front end of swivel nut is provided with preceding sealed end; rear end is provided with rear sealed end, is formed with salable space between preceding sealed end, rear sealed end and swivel nut, and the device that need to be protected is located in salable space.The plating protective device of the utility model can play a protective role to the external joint screw thread section of filter cavity, prevent filter cavity in the plating process, in external thread section generation the problems such as plating, nigrescence, corrosion or pollution.Simple structure and convenient processing, processing cost are low；It is bonded without gummed paper, sealing effect is good, high reliablity, can either guarantee the electroplating quality of product, and can reduce the scrap of the product phenomenon because of caused by plating solution infiltration, and then improve the assembling capacity and electricity function index of product；Reusable, the proportion of goods damageds of device are low, save production cost.
Description
Technical field
The utility model relates to a kind of plating protective device more particularly to a kind of plating protections of filter cavity joint screw thread
Device.
Background technique
With the continuous development of electronic communication industry, the application of radio frequency (RF) coaxial connector is also more extensive.Novel screw thread
Rotary joint style radio frequency (RF) coaxial connector is solved due to flange installation not instead of traditional flange installing type radio frequency (RF) coaxial connector
Passive intermodulation problem caused by smooth.In practical applications, screw thread is screwed on the fit tolerance RF coaxial connector at position
Assembling capacity, the influence of frictional resistance and pretightning force it is very big, directly determine the superiority and inferiority degree of passive intermodulation index.
The screw thread position that is screwed on is collectively formed by the internal screw thread of radio frequency (RF) coaxial connector and the external screw thread of filter cavity.It is outdoor
The outer surface of mode filter cavity is needed through powder injection process to reach corrosion-resistant effect；Coaxial connector and filter cavity
Junction needs electrosilvering, to guarantee higher conductivity.
Existing electro-plating method, it will usually filter cavity is equipped with externally threaded one end and is all electroplated, and in reality
In the electroplating process of border, the position as where external screw thread is plating high potential area, is easier plating, therefore thickness is plated at the position
It is extremely serious to spend off-gage phenomenon.Thickness of coating is overproof to cause externally threaded dimensional tolerance overproof serious, in design and in technique
It is difficult to ensure that the mutual cooperation of internal and external threads, assemble filter cavity can not normally with coaxial connector.
In order to improve the above problem, existing electro-plating method has made further improvement, i.e. protection screw thread position is without electricity
Plating.Traditional plating guard method is, using gummed paper or silica gel sheath winding package screw thread position, to avoid screw thread position contact plating
Liquid.But not only operational sequence is complicated for this method, and since screw thread position has the screwed tooth structure of protrusion, there is seam between thread
Gap, gummed paper or silica gel sheath are unable to fully that electroplate liquid is stopped to penetrate between thread from the screw thread age of a draught animal, be easy to cause on product and plate, send out
The problems such as black, corrosion or pollution, plating scrappage are high.
Summary of the invention
The utility model provides a kind of plating protective device, can play effectively to the external thread section of filter cavity
Plating protection, makes the external thread section of filter cavity not go up plating in entire electroplating process, plating solution infiltration does not occur
The phenomenon that.Specific technical solution is as follows：
A kind of plating protective device, including swivel nut, swivel nut is annular in shape, is set on the device that need to be protected, the front end of swivel nut
It is provided with preceding sealed end, rear end is provided with rear sealed end, is formed with salable sky between preceding sealed end, rear sealed end and swivel nut
Between, the device that need to be protected is located in salable space.
Further, preceding sealed end includes preceding seal groove and sealing ring, and preceding seal groove is in groove-like, is arranged in swivel nut front end,
Sealing ring is embedded inside preceding seal groove.
Further, preceding seal groove is arranged in the inside side walls of swivel nut, and the slot opening direction of preceding seal groove is towards swivel nut
Position where central axes.
Further, front limit face is provided in preceding seal groove, front limit face paste is arranged by sealing ring, plays backstop to sealing ring
Effect.
Further, rear sealed end includes rear seal groove and sealing ring, and rear seal groove is in groove-like, is arranged in swivel nut rear end,
Sealing ring is embedded inside rear seal groove.
Further, rear seal groove is arranged in the rear end face of swivel nut, and the slot opening direction of rear seal groove is towards swivel nut
Rear extreme direction.
Further, rear confined planes are provided in rear seal groove, rear confined planes are the inclined-plane being obliquely installed, and the sealing ring that reclines is set
It sets, backstop action is risen to sealing ring.
Further, sealing ring is the silica gel sealing ring of acid-alkali-corrosive-resisting.
Further, swivel nut is internally provided with internal screw thread, and swivel nut is connect with the device that need to be protected by screw threads for fastening.
Further, the outer surface of swivel nut is provided with hexagonal section structure.
The plating protective device of the utility model can play a protective role to the external joint screw thread section of filter cavity, prevent
Only filter cavity in the plating process, external thread section occur on plating, black, corrosion or pollution the problems such as.The utility model
Plating protective device structure is simple, and easy to process, processing cost is low；It is bonded without gummed paper, sealing effect is good, high reliablity, both
It can guarantee the electroplating quality of product, and the scrap of the product phenomenon because of caused by plating solution infiltration can be reduced, and then improve and produce
The assembling capacity and electricity function index of product；Reusable, the proportion of goods damageds of device are low, save production cost.
Detailed description of the invention
Fig. 1 is the assembled state cross-sectional view of radio frequency (RF) coaxial connector and filter cavity.
Fig. 2 is the cross-sectional view of filter cavity.
Fig. 3 is the cross-sectional view of the plating protective device of the utility model.
Fig. 4 is that the structure of the plating protective device of the utility model splits schematic diagram.
Fig. 5 is the side view of the plating protective device of the utility model.
Fig. 6 is the plating protective device of the utility model and the assembled state cross-sectional view of filter cavity.
Specific embodiment
In order to be best understood from the purpose of this utility model, function and specific design scheme, below to the utility model
A kind of plating protective device be described in further detail.
As shown in Figure 1, when radio frequency (RF) coaxial connector and filter cavity are in assembled state, in the connector of connector 5
Screw thread 4 and the cavity external screw thread 3 of cavity 1 are screwed together by helicitic texture, so that radio frequency (RF) coaxial connector and filter cavity
Body is fixedly connected.Preferably, connector internal screw thread 4 and cavity external screw thread 3 form 7H/6g assembly, it is ensured that the preload of threaded connection
Power and reliability.
The end of connector 5 is equipped with joint sealing circle 2, and when connector 5 is connected with cavity 1, joint sealing circle 2 is tight
It is pressed between connector 5 and cavity 1, makes the connecting pin sealing of the screw connection point and cavity 1 of connector 5 and cavity 1, prevent
Only the impurity such as external moisture, dust enter in sealing space, influence the normal work of connector 5 Yu cavity 1.
Based on radio frequency (RF) coaxial connector shown in Fig. 1 and the assembling structure of filter cavity in the operating condition, in conjunction with
Fig. 2 carries out the joint area of filter cavity defined below.
Electroplating region 11：As shown in Fig. 2, electroplating region 11 is located at the front end of cavity 1, stretch to inside connector 3, and with connection
The internal structure of device 3 is in contact, to generate conductive effect；In order to guarantee higher conductivity, electroplating region 11 is electroplated,
Preferably electrosilvering.
Protection zone 12：As shown in Fig. 2, protection zone 12 is the region where cavity external screw thread 3.In order to avoid galvanization coating shadow
Ring screw thread dimensional tolerance, guarantee helicitic texture size cooperation with normally connect, protection zone 12 without be electroplated.
Anti-corrosion area 13：As depicted in figs. 1 and 2, when radio frequency (RF) coaxial connector and filter cavity are fixed by helicitic texture
After connection, anti-corrosion area 13 is naked to be exposed on the external, and is in contact with external environment；When filter cavity is applied to outdoor, in order to improve
Its service life needs to carry out preservative treatment, anti-corrosion of preferably dusting to anti-corrosion area 13.
As shown in Figure 3 and Figure 4, the plating protective device of the utility model includes swivel nut 6, and swivel nut 6 is hollow cyclic annular knot
Structure can be set in outside the protection zone 12 of cavity 1, and the width of swivel nut 6 and the width of protection zone 12 match.Swivel nut 6 can be used
Non-conductive, acid-alkali-corrosive-resisting material is made, such as POM, PA plastic material.
The hollow interior of swivel nut 6 is provided with internal screw thread 63, the length of internal screw thread 63 and the cavity external screw thread 3 at protection zone 12
Length match.Swivel nut 6 can be threadedly coupled by internal screw thread 63 with cavity external screw thread 3, so that plating protective device and cavity 1
It is fixedly connected.
The front end of internal screw thread 63 is provided with preceding seal groove 61, and preceding seal groove 61 is circular groove structure, is embedded in spiral shell
In the inside side walls of set 6, the slot opening direction of preceding seal groove 61 is towards the position where 6 central axes of swivel nut.Internal screw thread 63
Rear end is provided with rear seal groove 62, and rear seal groove 62 is circular groove structure, is embedded in the rear end face of swivel nut 6, after
The slot opening direction of seal groove 62 is towards the rear end of swivel nut 6.
It is provided with the preceding sealing ring 64 of annular in preceding seal groove 61, the rear sealing ring of annular is provided in rear seal groove 62
65.The silica gel material that acid-alkali-corrosive-resisting can be used with rear sealing ring 65 in preceding sealing ring 64 is made, and will not be corroded in electroplating process,
And it can be recycled；The compression ratio of preceding sealing ring 64 and rear sealing ring 65 is between 18% to 25%.
As shown in Figure 3 and Figure 4, it is equipped with front limit face 66 in preceding seal groove 61, front limit face 66 extends along the vertical direction, position
In preceding seal groove 61 close to the side of internal screw thread 63.Front limit face 66 can play backstop action to preceding sealing ring 64, prevent swivel nut 6 from existing
During installation or removal, preceding sealing ring 64 is fallen off out of preceding seal groove 61 due to rubbing or squeezing etc..
Rear confined planes 67 are equipped in seal groove 62 afterwards, rear confined planes 67 are horizontally extending, lean on positioned at rear seal groove 62
The side of nearly 6 central axes of swivel nut.Central axes of the confined planes 67 close to one end of internal screw thread 63 apart from swivel nut 6 are closer afterwards, and
Central axes distance of the one end far from internal screw thread 63 apart from swivel nut 6 farther out so that the rear inclined bevel structure of confined planes 67.Incline
Oblique rear confined planes 67 can play backstop action to rear sealing ring 65, prevent swivel nut 6 during installation or removal, rear sealing ring
65 are fallen off out of rear seal groove 62 due to rubbing or squeezing etc..
As shown in figure 5, the outside of swivel nut 6 is equipped with hexagonal section structure 68, when screwing swivel nut 6, hexagonal section structure is held
68 can increase the stability of gripping, avoid that slipping phenomenon occurs between finger and swivel nut 6, facilitate manual assembly.It certainly, can also be
Other anti-skid structures are arranged in order to install in the outside of swivel nut 6, and anti-skid design structure or bulge-structure is such as arranged.
Below with reference to Fig. 2 and Fig. 6, the working principle of the plating protective device of the utility model is described in detail.
Before carrying out electroplating work procedure to filter cavity, the plating protective device of the utility model is set in filter first
Cavity one end to be electroplated.Hexagonal section structure 68 is held, swivel nut 6 is screwed on filter cavity, internal screw thread 63 and chamber are made
Extracorporeal thread 3 is connected with each other.
When swivel nut 6 screws completely, preceding sealing ring 61 is fitted closely with preceding sealing plane 14, rear sealing ring 63 and rear sealing
Plane 15 fits closely, and makes the regional seal between preceding sealing plane 14 and rear sealing plane 15 in swivel nut 6.
The filter cavity that plating protective device will be cased with is put into electroplate liquid and is electroplated, preceding sealing ring 61 with it is rear close
Under the blocking of seal 63, electroplate liquid be cannot be introduced into inside swivel nut 6, therefore, will not be occurred at the cavity external screw thread 3 of filter cavity
Plating.
After the completion of electroplating work procedure, plating protective device is removed, then the electroplating region 11 of cavity body filter completes plating, protection
The phenomenon that area 12 is protected, upper plating or pollution, and the plating protective device that disassembles is once purged can Reusability.
The plating protective device of the utility model can play a protective role to the external joint screw thread section of filter cavity, prevent
Only filter cavity in the plating process, external thread section occur on plating, black, corrosion or pollution the problems such as.The utility model
Plating protective device structure is simple, and easy to process, processing cost is low；It is bonded without gummed paper, sealing effect is good, high reliablity, both
It can guarantee the electroplating quality of product, and the scrap of the product phenomenon because of caused by plating solution infiltration can be reduced, and then improve and produce
The assembling capacity and electricity function index of product；Reusable, the proportion of goods damageds of device are low, save production cost.
The utility model is further described by specific embodiment above, it should be understood that, have here
The description of body, should not be construed as the restriction to the spirit and scope of the utility model, and one of ordinary skilled in the art is readding
The various modifications made after reader specification to above-described embodiment belong to the range that the utility model is protected.
Claims (10)
1. a kind of plating protective device, which is characterized in that including swivel nut, swivel nut is annular in shape, is set on the device that need to be protected, spiral shell
The front end of set is provided with preceding sealed end, and rear end is provided with rear sealed end, and being formed between preceding sealed end, rear sealed end and swivel nut can
Sealing space, the device that need to be protected are located in salable space.
2. plating protective device as described in claim 1, which is characterized in that preceding sealed end includes preceding seal groove and sealing ring,
Preceding seal groove is in groove-like, is arranged in swivel nut front end, sealing ring is embedded inside preceding seal groove.
3. plating protective device as claimed in claim 2, which is characterized in that the inside side walls of swivel nut are arranged in preceding seal groove
Interior, the slot opening direction of preceding seal groove is towards the position where swivel nut central axes.
4. plating protective device as claimed in claim 2 or claim 3, which is characterized in that front limit face is provided in preceding seal groove, it is preceding
Confined planes recline sealing ring setting, to sealing ring rise backstop action.
5. plating protective device as described in claim 1, which is characterized in that rear sealed end includes rear seal groove and sealing ring,
Seal groove is in groove-like afterwards, is arranged in swivel nut rear end, sealing ring is embedded inside rear seal groove.
6. plating protective device as claimed in claim 5, which is characterized in that the rear end face of swivel nut is arranged in rear seal groove
It is interior, the rear extreme direction of the slot opening direction of rear seal groove towards swivel nut.
7. such as plating protective device described in claim 5 or 6, which is characterized in that rear confined planes are provided in rear seal groove, after
Confined planes are the inclined-plane being obliquely installed, and the sealing ring that reclines setting plays backstop action to sealing ring.
8. the plating protective device as described in claim 2 or 5, which is characterized in that sealing ring is that the silica gel of acid-alkali-corrosive-resisting is close
Seal.
9. plating protective device as described in claim 1, which is characterized in that swivel nut is internally provided with internal screw thread, swivel nut and need
The device of protection is connected by screw threads for fastening.
10. plating protective device as described in claim 1, which is characterized in that the outer surface of swivel nut is provided with hexagonal section knot
Structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820656413.9U CN208151505U (en) | 2018-05-03 | 2018-05-03 | Protective device is electroplated |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820656413.9U CN208151505U (en) | 2018-05-03 | 2018-05-03 | Protective device is electroplated |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208151505U true CN208151505U (en) | 2018-11-27 |
Family
ID=64389227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820656413.9U Active CN208151505U (en) | 2018-05-03 | 2018-05-03 | Protective device is electroplated |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208151505U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110126528A (en) * | 2019-06-04 | 2019-08-16 | 上海英雄金笔厂有限公司 | A kind of embossed technology of Pen nib |
-
2018
- 2018-05-03 CN CN201820656413.9U patent/CN208151505U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110126528A (en) * | 2019-06-04 | 2019-08-16 | 上海英雄金笔厂有限公司 | A kind of embossed technology of Pen nib |
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