CN209487684U - A kind of power splitter - Google Patents
A kind of power splitter Download PDFInfo
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- CN209487684U CN209487684U CN201920198608.8U CN201920198608U CN209487684U CN 209487684 U CN209487684 U CN 209487684U CN 201920198608 U CN201920198608 U CN 201920198608U CN 209487684 U CN209487684 U CN 209487684U
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- upper housing
- power splitter
- lower case
- hole
- splitter according
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Abstract
The utility model discloses a kind of power splitters, it applies in wireless communication accessories field, solves the poor technical problem of power splitter leakproofness, its key points of the technical solution are that a kind of power splitter, including the upper housing being detachably connected, lower case, the upper housing, cavity is formed inside lower case, the connector that the lower casing body sidewall is provided with mounting hole and is set in mounting hole, the lower case is equipped with interior convex edge towards the end face of upper housing, the middle part of the interior convex edge is equipped with the annular groove being recessed inwardly, sealing ring is embedded in the annular groove, the sealing ring is to be open towards the intracorporal U-shaped structure of chamber；The end face of the upper housing towards lower case is provided with the inner groovy for the insertion of interior convex edge.What is had has the technical effect that overall tightness is improved by sealing ring, thus can increase service life.
Description
Technical field
The utility model relates to wirelessly communicate accessory technical field, more particularly, to a kind of power splitter.
Background technique
Power splitter is the commonly used equipment of wireless communication field, is for that will be divided into two-way or multichannel by input signal energy all the way
Export the device of equal or unequal energy.In present mobile communication antenna, power splitter plays important in antenna feeding network
Effect.Either in electrical tilt antenna or non-electrical tilt antenna, power splitter is widely used, such as cavity strip line function point
Device or microstrip power divider wait function point ratio or do not wait function point ratio, and power splitter plays a part of power distribution or power combination.Function
Subnetwork is one of the key link that antenna system realizes different figuration modes.
It is disclosed in the Chinese utility model patent that notification number is CN203787548U a kind of with the band-like of isolation resistance
Line power splitter, including metal case, strip line power-devided circuit plate, isolation resistance and metal cover board, the strip line power-devided circuit
Plate is arranged in the cavity of the metal case, and the top of the strip line power-devided circuit plate, institute is arranged in the metal cover board
Metal cover board to be stated to connect with the metal case, the isolation resistance is welded in the groove of the strip line power-devided circuit plate,
The metal cover board is connected by screw to the metal case.
In above scheme, metal cover board and the metal case of power splitter are connected by screw to, and are generated between cover board and box body
Unavoidable gap.In practical application, most of power splitter has certain water and penetrates into box by gap in outdoor application
Internal portion causes the damage of circuit board, reduces the service life of power splitter.
Utility model content
The purpose of the utility model is to provide a kind of power splitters, its advantage is that improving waterproofness.
The above-mentioned technical purpose of the utility model has the technical scheme that a kind of power splitter, including
The upper housing that is detachably connected, lower case form cavity inside the upper housing, lower case, and the lower casing body sidewall is provided with
Mounting hole and the connector being set in mounting hole, the lower case is equipped with interior convex edge towards the end face of upper housing, described
The middle part of interior convex edge is equipped with the annular groove being recessed inwardly, and sealing ring is embedded in the annular groove, and the sealing ring is to be open towards chamber
Intracorporal U-shaped structure；The end face of the upper housing towards lower case is provided with the inner groovy for the insertion of interior convex edge.
Through the above technical solutions, after upper housing and lower case splicing, interior convex edge and inner groovy are matched using the sealing means
It closes, forms multiple reentrant structure after completing cooperation, improve waterproofness, in addition the embeddable sealing ring of the annular groove in inner groovy,
The sealing ring is slightly above annular groove, therefore after interior convex edge and inner groovy cooperate, sealing ring will be extruded to be formed good close
Feng Xing improves waterproofness；In addition sealing ring is opening towards the intracorporal U-shaped structure of chamber, close when inside cavity expanded by heating
The opening of seal towards in cavity, therefore also will expansion, the sealing ring after expansion will occupy more seal clearances, to improve
Waterproof effect；Overall tightness is improved by sealing ring, thus can increase service life.
The utility model is further arranged to: ladder edge is equipped in the annular groove.
Through the above technical solutions, being provided with ladder edge in annular groove, therefore annular groove upper opening is larger, bottom side is smaller, ladder edge
Structure may make sealing ring be easier be embedded in, install sealing ring when it is more convenient easy to operate.
The utility model is further arranged to: outside pad of the lower case close to interior convex edge is equipped with inner washer and outer pad
Circle.
Through the above technical solutions, when upper housing and lower case cooperate, existing fit clearance by inner washer and
Filling up for gap is realized in the cooperation of outer washer, to improve cooperation tightness, improves leakproofness.
The utility model is further arranged to: the lower case be equipped with threaded connection hole, the upper housing be equipped with
Threaded connection hole compatible through-hole is connected with the casing of plasticity in the through-hole.
Through the above technical solutions, threaded connection hole is set in lower case, and after upper housing and lower case cooperation, through-hole and spiral shell
The perforation of line connecting hole, while the casing of plasticity is set again in through-hole, so that casing will be obtained to a certain degree when bolt passes through casing
Strut, there is stronger leakproofness, at the same screw can also further connection screw thread connecting hole, to realize upper housing and lower casing
Body is stably connected with.
The utility model is further arranged to: the periphery wall surface of described sleeve pipe is equipped with the tooth form fin chimeric with upper housing.
Through the above technical solutions, there are tooth form fins for casing, it is not easy to rotate after may make casing to be fixed in upper housing,
The stability maintenance of casing is higher.
The utility model is further arranged to: internal screw thread is equipped in described sleeve pipe.
Through the above technical solutions, the internal screw thread of casing is realized for cooperating when screw rotation and is threadedly coupled positioning, screw
Loosening is not likely to produce after screw-in.
The utility model is further arranged to: described sleeve pipe and through-hole form deep gouge structure, deep gouge to upper housing sunken inside
Structure is sealed for glue glue.
Through the above technical solutions, the deep gouge structure is that is, reduce the structure height of casing, further glue
Glue can flow into the deep gouge structure when sealing, and realize preferable leakproofness.
The utility model is further arranged to: further including the covering frame for covering the through-hole of upper housing, the covering frame
Lateral edge be equipped with location hole for connecting with upper housing.
Through the above technical solutions, cannula structure is covered under the covering effect of covering frame, to realize to upper housing
Preferable sealing effect.
The utility model is further arranged to: plasticity covering plate is equipped between the covering frame and upper housing.
Through the above technical solutions, plasticity covering plate is tentatively covered on upper housing, thus lift-off seal.
The utility model is further arranged to: the plasticity covering plate includes the upper cover plate being connected and several side cover plates.
Through the above technical solutions, plasticity covering plate carries out the cover to upper housing by upper cover plate and side cover plate, improve
The leakproofness of upper housing.
In conclusion the advantageous effects of the utility model are as follows:
1. using the sealing ring of specific structure, it can be achieved that preferably splicing leakproofness；
2. the leakproofness of junction can be increased using casing；
3. the leakproofness of junction can be further increased using covering frame.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the present embodiment；
Fig. 2 is the schematic diagram of internal structure of the present embodiment；
Fig. 3 is enlarged drawing at A in Fig. 2；
Fig. 4 is the fractionation structural representation of the present embodiment；
Fig. 5 is the structural schematic diagram that the present embodiment embodies lower case；
Fig. 6 is enlarged drawing at B in Fig. 4.
Detailed description of the invention, 1, upper housing；11, inner groovy；12, through-hole；2, lower case；21, mounting hole；22, interior convex edge；23,
Annular groove；231, ladder edge；24, sealing ring；25, inner washer；26, outer washer；27, threaded connection hole；3, connector；4, casing；
41, tooth form fin；42, deep gouge；5, covering frame；51, location hole；6, plasticity covering plate；61, upper cover plate；62, side cover plate.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
It referring to Figures 1 and 2, is a kind of power splitter disclosed by the utility model, including upper housing 1 and lower case 2, upper housing
Cavity is formed between 1 and lower case 2, and mounting hole 21 is provided in lower case 2, connector 3 is provided on mounting hole 21.
Referring to figs. 2 and 3, lower case 2 is towards being provided with interior convex edge 22, the middle part of interior convex edge 22 on the end face of upper housing 1
Equipped with the annular groove 23 being recessed inwardly, sealing ring 24 is embedded in the annular groove 23, sealing ring 24 is to be open towards the intracorporal U-shaped knot of chamber
Structure, when temperature rise gas expansion in cavity, gas enters the opening of sealing ring 24 so that the further expansion of sealing ring 24, sealing ring
24 more preferable can must seal, and leakproofness is preferable.Inner groovy 11 is provided on upper housing 1, shape in inner groovy 11 is inserted into interior convex edge 22
At interference fit.
With reference to Fig. 3, ladder is provided in annular groove 23 along 231, ladder makes annular groove 23 form up big and down small ladder along 231
Shape structure is embedded in from outside convenient for sealing ring 24 and completes to install.
With reference to Fig. 3, it is additionally provided with inner washer 25 and outer washer 26 between upper housing 1 and lower case 2, realizes two positions respectively
The sealing set, improves leakproofness.
With reference to Fig. 4 and Fig. 5, it is provided with threaded connection hole 27 in lower case 2, through-hole 12 is provided on upper housing 1, works as upper casing
When body 1 and the lid of lower case 2 close, threaded connection hole 27 and through-hole 12 are mutually communicated, and screw can be screwed in through-hole 12 and spiral shell at this time
Line connecting hole 27, realization upper housing 1 and lower case 2 are connected and fixed.With reference to Fig. 6, the set of plasticity is actually connected in through-hole 12
Pipe 4, the casing 4 is interior to be arranged internal screw thread, is provided with tooth form fin 41 outside casing 4, and tooth form fin 41 is fitted and fixed with upper housing 1,
Since the external structure of casing 4 has tooth form fin 41, the rotation of itself can be limited with the fixed rear sleeve 4 of upper housing 1.
With reference to Fig. 6, upper housing 1 is recessed inwardly to form 42 structure of deep gouge, and 42 structure of deep gouge is for glue glue envelope, i.e., in spiral shell
Nail can seal the leakproofness for increasing junction after screwing in by glue.
With reference to Fig. 4,1 upper cover of upper housing is equipped with covering frame 5, and upper cover plate 61 covers threaded connection hole 27.The lateral edge of covering frame 5
Equipped with several location holes 51, location hole 51 is connect with upper housing 1, is covered several tie points by this method, is increased tie point
Leakproofness.Plasticity covering plate 6 is provided between covering frame 5 and upper housing 1, plasticity covering plate 6 includes upper cover plate 61 and several
Side cover plate 62 further compresses and covers threaded connection hole 27.
The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this
The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical
Within novel protection scope.
Claims (10)
1. a kind of power splitter, including be detachably connected upper housing (1), lower case (2), the upper housing (1), lower case (2)
Inside forms cavity, the connector that lower case (2) side wall is provided with mounting hole (21) and is set in mounting hole (21)
(3), which is characterized in that the lower case (2) is equipped with interior convex edge (22) towards the end face of upper housing (1), the interior convex edge
(22) middle part is equipped with the annular groove (23) being recessed inwardly, and is embedded with sealing ring (24), the sealing ring in the annular groove (23)
It (24) is to be open towards the intracorporal U-shaped structure of chamber；The end face of upper housing (1) towards the lower case (2) is provided with for interior convex edge
(22) inner groovy (11) being embedded in.
2. a kind of power splitter according to claim 1, which is characterized in that be equipped with ladder in the annular groove (23) along (231).
3. a kind of power splitter according to claim 1, which is characterized in that the lower case (2) is close to interior convex edge (22)
Outside pad is equipped with inner washer (25) and outer washer (26).
4. a kind of power splitter according to claim 1, which is characterized in that the lower case (2) is equipped with threaded connection hole
(27), the upper housing (1) is equipped with threaded connection hole (27) compatible through-hole (12), is connected in the through-hole (12)
The casing (4) of plasticity.
5. a kind of power splitter according to claim 4, which is characterized in that the periphery wall surface of described sleeve pipe (4) be equipped with it is upper
The chimeric tooth form fin (41) of shell (1).
6. a kind of power splitter according to claim 5, which is characterized in that be equipped with internal screw thread in described sleeve pipe (4).
7. a kind of power splitter according to claim 5, which is characterized in that described sleeve pipe (4) and through-hole (12) are to upper housing
(1) sunken inside forms deep gouge (42) structure, and deep gouge (42) structure is sealed for glue glue.
8. a kind of power splitter according to claim 4, which is characterized in that further include the through-hole for covering upper housing (1)
(12) covering frame (5), the lateral edge of the covering frame (5) are equipped with the location hole (51) for connecting with upper housing (1).
9. a kind of power splitter according to claim 8, which is characterized in that set between the covering frame (5) and upper housing (1)
There are plasticity covering plate (6).
10. a kind of power splitter according to claim 9, which is characterized in that the plasticity covering plate (6) includes being connected
Upper cover plate (61) and several side cover plates (62).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920198608.8U CN209487684U (en) | 2019-02-14 | 2019-02-14 | A kind of power splitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920198608.8U CN209487684U (en) | 2019-02-14 | 2019-02-14 | A kind of power splitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209487684U true CN209487684U (en) | 2019-10-11 |
Family
ID=68133729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920198608.8U Active CN209487684U (en) | 2019-02-14 | 2019-02-14 | A kind of power splitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209487684U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111146550A (en) * | 2020-01-14 | 2020-05-12 | 四川大学 | Power divider and power distribution assembly based on bottom feed |
-
2019
- 2019-02-14 CN CN201920198608.8U patent/CN209487684U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111146550A (en) * | 2020-01-14 | 2020-05-12 | 四川大学 | Power divider and power distribution assembly based on bottom feed |
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