CN205354938U - Knob structure, on -off mechanism and handheld terminal - Google Patents
Knob structure, on -off mechanism and handheld terminal Download PDFInfo
- Publication number
- CN205354938U CN205354938U CN201521133514.0U CN201521133514U CN205354938U CN 205354938 U CN205354938 U CN 205354938U CN 201521133514 U CN201521133514 U CN 201521133514U CN 205354938 U CN205354938 U CN 205354938U
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- knob
- knob cap
- connector
- axial passage
- swingle
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Abstract
The utility model discloses a knob structure, on -off mechanism and handheld terminal, the knob structure includes the knob cap and is used for cup jointing the connecting piece in switching element rotary rod periphery, the connecting piece sets up knob cap below, this connecting piece middle part is equipped with the confession that link up both ends the axial passage that the rotary rod passed, the bottom of knob cap is equipped with one or more downwardly extending's barb, be equipped with annular draw -in groove in the axial passage, the barb stretches into axial passage and cooperation are in in the draw -in groove, will knob cap and connecting piece axial are connected. The utility model discloses a knob structure, cancellation stainless steel inside lining, reduce cost, setting up the connecting piece and realizing the connection of knob cap and switching element rotary rod, wherein the connecting piece carries out the axial with the knob cap through the cooperation of barb and draw -in groove and is connected, and the assembly is simple and be difficult for loose taking off, still avoids the emergence to lead to the problem that the knob cap ftractureed because of the internal stress.
Description
Technical field
This utility model relates to a kind of knob structure, particularly relates to a kind of knob structure, has switching mechanism and the handheld terminal of this knob structure.
Background technology
At present, the code switch of some handheld terminals and volume switch use knob structure.During assembling, it is necessary to be first pressed onto by stainless steel inner lining in plastic cement knob cap, then entirety is pressed in the swingle on handheld terminal again；Stainless steel inner lining cost is of a relatively high, and it assembles one assembling procedure that made knob structure many, and during press-in, required pressing-in force is about 8KG, there is the risk damaging device, and affects efficiency of assembling.And, after knob assembling, can loosen after a period of time, it is easy to extract, withdrawal force is only about 3.5KG.Additionally, the internal stress that the axis hole long-term existence of plastic cement knob cap is bigger, it is easy to cracking.
Utility model content
The technical problems to be solved in the utility model is in that, it is provided that the knob structure of a kind of improvement, the switching mechanism with this knob structure and handheld terminal.
This utility model solves its technical problem and be the technical scheme is that a kind of knob structure of offer, including knob cap and for being socketed in the connector of switching device swingle periphery, described connector is arranged on below described knob cap, is provided with through the axial passage for described swingle traverse at two ends in the middle part of this connector；
The bottom of described knob cap is provided with one or more barb downwardly extended, and is provided with the draw-in groove of annular in described axial passage, and described barb stretches into described axial passage cooperation in described draw-in groove, by described knob cap and connector shaft to connection.
Preferably, the guide part guiding described barb to enter described draw-in groove it is additionally provided with in described axial passage.
Preferably, described guide part is be arranged on described axial passage internal face and extend to the guiding surface of described connector end face.
Preferably, the female thread coordinated with external screw thread on described swingle it is additionally provided with in described axial passage；
Described draw-in groove and described female thread are respectively formed on the internal face at described axial passage two ends.
Preferably, described connector includes the first end of being relatively large in diameter and less the second end of diameter, through described first end of described axial passage and the second end；Described draw-in groove is positioned at described first end, and described female thread is positioned at described second end.
Preferably, placed channel therein is stretched in the end that described knob cap is provided with mean for the described swingle described connector of traverse, and the described placed channel medium position from described knob cap bottom surface extends to knob cap top-direction；
Several described barbs along described placed channel in circumferential direction about the periphery at described placed channel.
Preferably, described barb and described knob cap are structure as a whole.
Preferably, the periphery of described knob cap sets spaced lobe or inner fovea part, to form corrugated grip part on the periphery of described knob cap.
This utility model also provides for a kind of switching mechanism, including the knob structure described in any of the above item and switching device；Described switching device is provided with swingle, and the connector of described knob structure is socketed on the periphery of described swingle.
This utility model also provides for a kind of handheld terminal, and including hand-held main frame and above-mentioned switching mechanism, described switching mechanism is arranged on described hand-held main frame, and the switching device of described switching mechanism electrically connects with described hand-held main frame.
Knob structure of the present utility model, cancels stainless steel inner lining, reduces cost；Arranging connector and realize knob cap and the connection of switching device swingle, wherein connector is axially connected by the cooperation of barb and draw-in groove with knob cap, and assembling simply and not easily gets loose, the problem also avoiding occurring because internal stress causes knob cap to ftracture.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the decomposition texture schematic diagram of the switching mechanism of this utility model one embodiment；
Fig. 2 is the upward view after the switching mechanism combination of this utility model one embodiment；
Fig. 3 is the sectional view along line A-A of the switching mechanism shown in Fig. 2.
Detailed description of the invention
In order to technical characteristic of the present utility model, purpose and effect are more clearly understood from, now comparison accompanying drawing describes detailed description of the invention of the present utility model in detail.
Switching mechanism of the present utility model, can be used on the equipment such as handheld terminal, can as the code switch of handheld terminal, volume switch etc. according to arranging, it is achieved corresponding switching function.
As shown in Figure 1, 2, the switching mechanism of this utility model one embodiment, it may include knob structure 10 and switching device 20, switching device 20 electrically connects with the hand-held main frame of handheld terminal；Switching device 20 is provided with swingle 30, and knob structure 10 is connected on swingle 30.
Wherein, as shown in Figure 1,3, knob structure 10 can include knob cap 1 and connector 2, and connector 2 is arranged on below knob cap 1, for being socketed in swingle 30 periphery of switching device 20.It is provided with through the axial passage 21 at two ends in the middle part of this connector 2, passes for swingle 30.And, connector 2 is also connected with knob cap 1, thus knob cap 1 and swingle 30 connect.
Especially, the bottom of knob cap 1 is provided with the barb 3 that one or more (include two and more than) downwardly extend, accordingly, the draw-in groove 4 of annular it is provided with in the axial passage 21 of connector 2, barb 3 stretches into axial passage 21 and coordinates in draw-in groove 4, knob cap 2 and connector 1 is axially connected.When knob cap 1 rotates, barb 3 moves along the circumference of draw-in groove 4 in draw-in groove 4, it is to avoid the problem because internal stress causes knob cap 1 to ftracture occurs.
Preferably, the quantity at least two of barb 3, can suitably increase and decrease according to actual needs.Several barb 3 intervals are arranged, and have certain elasticity, can bend in opposite directions near or opposing buckle away from, thus being beneficial to barb 3 to enter draw-in groove 4.The fit system of this kind of barb 3 and draw-in groove 4, barb 3 not easily looses in draw-in groove 4 so that the connection of knob cap 1 and connector 2 is more stable.
For making barb 3 better enter draw-in groove 4, in axial passage 21, it is additionally provided with the guide part 23 guiding barb 3 to enter draw-in groove 4.Preferably, guide part 23 is be arranged on axial passage 21 internal face and extend to the guiding surface of connector 2 end face, as shown in Figure 3.Certainly, the end of barb 3 also can be provided with the inclined-plane coordinated with guiding surface, and two inclined-planes coordinate and can relative sliding.
Further, knob cap 1 is additionally provided with placed channel 11, stretches into wherein for swingle 30 through the end of connector 2, strengthen knob cap 1, bonding strength between connector 2 and swingle 30.
The placed channel 11 medium position from knob cap 1 bottom surface extends to the top-direction of knob cap 1, not through the top of knob cap 1；The end of swingle 30 can stretch to cooperation on the end face of placed channel 11.
Several barbs 3 along placed channel 11 in circumferential direction about the periphery at placed channel 11.The central axis of placed channel 11, several barb 3 centrage be respectively positioned on same line.
Preferably, barb 3 and knob cap 1 are structure as a whole, one-body molded when making.
Additionally, the periphery of knob cap 1 also can set spaced lobe or inner fovea part, to form corrugated grip part 12 on the periphery of knob cap 1, the hand for operator is held and rotary knob cap 1.
For realizing the connection of connector 2 and swingle 30, being additionally provided with female thread 22 in the axial passage 21 of connector 2, this female thread 22 coordinates with the external screw thread 31 on swingle 30.External screw thread 31 at swingle 30 on one end of switching device 20.During assembling, connector 2 is set on swingle 30 periphery with its axial passage 21 set, to the position of external screw thread 31, is coordinated with external screw thread 31 by female thread 22 and be screwed onto on swingle 30.
Draw-in groove 4 and female thread 22 are respectively formed on the internal face at axial passage 21 two ends, and during assembling, connector 2 is to have swingle 30 dorsad, one end of draw-in groove 4, and the one end with female thread 22 is socketed on swingle 30 towards swingle 30.
As a kind of embodiment, connector 2 can include the first end 201 of being relatively large in diameter and less the second end 202 of diameter, through first end 201 and the second end 202 of axial passage 21；Draw-in groove 4 is positioned at the first end 201, and female thread 22 is positioned at the second end 202.
As selection, connector 2 can pass through to arrange draw-in groove 4 on nut and be formed.
In switching mechanism, the connector 1 of knob structure 10 is socketed on swingle 30 periphery, it is achieved the connection of switching device 20 and knob structure 10.Additionally, the end of swingle 30 is also positioned in the placed channel 11 of knob cap 1, strengthen both connections.
During switching mechanism assembling, the insertion force that knob structure 10 is inserted on switching device 20 is about 4KG, and the withdrawal force that knob structure 10 is extracted on switching device 10 may be about 4KG, into and out power quite and little, it is easy to operation.
Having the handheld terminal of above-mentioned switching mechanism, including hand-held main frame (not shown) and above-mentioned switching mechanism, switching mechanism is arranged on hand-held main frame, and the switching device of switching mechanism electrically connects with hand-held main frame.Handheld terminal can be the handheld devices such as hand transceiver.
Wherein, with reference to Fig. 1, switching device is positioned at hand-held main frame, and swingle 30 then stretches out hand-held main frame；Knob structure 10 is assemblied on swingle 30, is positioned at outside hand-held main frame and selects corresponding function for rotating.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every equivalent structure utilizing this utility model description and accompanying drawing content to make or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical fields, all in like manner include in scope of patent protection of the present utility model.
Claims (10)
1. a knob structure, it is characterized in that, this knob structure (10) includes knob cap (1) and is used for being socketed in the connector (2) of switching device (20) swingle (30) periphery, described connector (2) is arranged on described knob cap (1) lower section, and this connector (2) middle part is provided with through the axial passage (21) for described swingle (30) traverse at two ends；
The bottom of described knob cap (1) is provided with one or more barb (3) downwardly extended, the draw-in groove (4) of annular it is provided with in described axial passage (21), described barb (3) stretches into described axial passage (21) and coordinates in described draw-in groove (4), described knob cap (1) and connector (2) is axially connected.
2. knob structure according to claim 1, it is characterised in that be additionally provided with the guide part (23) guiding described barb (3) to enter described draw-in groove (4) in described axial passage (21).
3. knob structure according to claim 2, it is characterised in that described guide part (23) is for be arranged on described axial passage (21) internal face and to extend to the guiding surface of described connector (2) end face.
4. knob structure according to claim 1, it is characterised in that be additionally provided with the female thread (22) coordinated with the upper external screw thread (31) of described swingle (30) in described axial passage (21)；
Described draw-in groove (4) and described female thread (22) are respectively formed on the internal face at described axial passage (21) two ends.
5. knob structure according to claim 4, it is characterized in that, described connector (2) includes the first end (201) of being relatively large in diameter and less the second end (202) of diameter, through described first end (201) of described axial passage (21) and the second end (202)；Described draw-in groove (4) is positioned at described first end (201), and described female thread (22) is positioned at described second end (202).
6. knob structure according to claim 1, it is characterized in that, placed channel therein (11) is stretched in the end being provided with mean for described swingle (30) the described connector of traverse (2) on described knob cap (1), and the described placed channel (11) medium position from described knob cap (1) bottom surface extends to knob cap (1) top-direction；
Several described barbs (3) along described placed channel (11) in circumferential direction about the periphery in described placed channel (11).
7. the knob structure according to any one of claim 1-6, it is characterised in that described barb (3) and described knob cap (1) are structure as a whole.
8. the knob structure according to any one of claim 1-6, it is characterised in that the periphery of described knob cap (1) sets spaced lobe or inner fovea part, to form corrugated grip part (12) on the periphery of described knob cap (1).
9. a switching mechanism, it is characterised in that include the knob structure (10) described in any one of claim 1-8 and switching device (20)；Described switching device (20) is provided with swingle (30), and the connector (2) of described knob structure (10) is socketed on the periphery of described swingle (30).
10. a handheld terminal, it is characterised in that include the switching mechanism described in hand-held main frame and claim 9, described switching mechanism is arranged on described hand-held main frame, and the switching device (20) of described switching mechanism electrically connects with described hand-held main frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521133514.0U CN205354938U (en) | 2015-12-30 | 2015-12-30 | Knob structure, on -off mechanism and handheld terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521133514.0U CN205354938U (en) | 2015-12-30 | 2015-12-30 | Knob structure, on -off mechanism and handheld terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205354938U true CN205354938U (en) | 2016-06-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521133514.0U Active CN205354938U (en) | 2015-12-30 | 2015-12-30 | Knob structure, on -off mechanism and handheld terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205354938U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107993873A (en) * | 2016-10-27 | 2018-05-04 | 浙江三花汽车零部件有限公司 | A kind of automotive air-conditioning controller |
| CN113363102A (en) * | 2021-06-25 | 2021-09-07 | 海盐锦恒电器有限公司 | Knob assembly of electric appliance temperature-regulating coupler |
-
2015
- 2015-12-30 CN CN201521133514.0U patent/CN205354938U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107993873A (en) * | 2016-10-27 | 2018-05-04 | 浙江三花汽车零部件有限公司 | A kind of automotive air-conditioning controller |
| CN113363102A (en) * | 2021-06-25 | 2021-09-07 | 海盐锦恒电器有限公司 | Knob assembly of electric appliance temperature-regulating coupler |
| CN113363102B (en) * | 2021-06-25 | 2022-06-24 | 海盐锦恒电器有限公司 | Knob assembly of electric appliance temperature-regulating coupler |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |