CN109216087B - Rotary switch - Google Patents
Rotary switch Download PDFInfo
- Publication number
- CN109216087B CN109216087B CN201811230638.9A CN201811230638A CN109216087B CN 109216087 B CN109216087 B CN 109216087B CN 201811230638 A CN201811230638 A CN 201811230638A CN 109216087 B CN109216087 B CN 109216087B
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- CN
- China
- Prior art keywords
- terminal
- bottom shell
- positioning
- groove
- movable contact
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000000034 method Methods 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 description 18
- 239000010959 steel Substances 0.000 description 18
- 101150006573 PAN1 gene Proteins 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
- H01H19/54—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand the operating part having at least five or an unspecified number of operative positions
- H01H19/56—Angularly-movable actuating part carrying contacts, e.g. drum switch
- H01H19/58—Angularly-movable actuating part carrying contacts, e.g. drum switch having only axial contact pressure, e.g. disc switch, wafer switch
Landscapes
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
Abstract
The invention discloses a rotary switch, which comprises a bottom shell, a shaft sleeve, a rotating shaft group, a first terminal and a second terminal, wherein the bottom shell is provided with a first connecting hole; the first terminals are fixedly arranged in the middle of the bottom shell, the second terminals are provided with a plurality of second terminals, the second terminals are fixedly arranged on the bottom shell at intervals, and the bottom shell is correspondingly provided with a first terminal hole and a second terminal hole; the rotating shaft group is rotatably arranged in the bottom shell and can realize contact communication between the first terminal and any second terminal in the rotating process; the first terminal and the second terminal are in an inverted L-shaped structure, and a first embedded groove and a second embedded groove are correspondingly formed in the bottom shell; the first terminal and the second terminal are also respectively provided with a first positioning lapping platform and a second positioning lapping platform, and the bottom shell is provided with a first positioning groove and a second positioning groove. The invention has simple structure, the shaft sleeve and the bottom shell are fixedly connected with the annular groove through the matching of the convex edges, the first terminal and the second terminal are fixedly connected with the bottom shell, the trouble of dispensing is omitted, and the production cost is reduced.
Description
Technical Field
The invention relates to the technical field of control switches, in particular to a rotary switch.
Background
The rotary switch is a switch which enables a first terminal and different second terminals to be communicated through rotation, so that different control purposes are achieved, the rotary switch is commonly used in the field of household appliances such as instruments and meters, coffee machines and the like, the existing rotary switch generally comprises a shaft sleeve, a bottom shell, a rotating shaft group, the first terminal and the second terminals are fixedly connected to the bottom shell through dispensing, the dispensing process is troublesome, production cost is high, meanwhile, in the use process, the first terminal and the second terminals are easy to skew and easy to pull out, normal use is affected, and the rotary switch has an improved space.
Disclosure of Invention
The present invention is directed to overcome the above-mentioned drawbacks of the prior art, and provides a rotary switch, which can make the first terminal and the second terminal vertically installed with the bottom case, and is not easy to skew.
In order to achieve the above object, the present invention provides a rotary switch, including a bottom case, a sleeve, a rotation shaft group, a first terminal and a second terminal;
the bottom shell is of a thin shell structure with an upward opening, the first terminals are fixedly arranged on the middle part of the bottom shell, the second terminals are provided with a plurality of first terminal holes and second terminal holes, the first terminal holes and the second terminal holes are circumferentially arranged on the bottom of the bottom shell, and the first terminal holes and the second terminal holes are correspondingly formed in the bottom of the bottom shell;
the rotary shaft group is rotatably and limitedly arranged in a cavity formed by the bottom shell and the shaft sleeve in a matched manner, and comprises a movable contact piece which can realize the abutting connection between the first terminal and any second terminal in the rotary process of the rotary shaft group;
the first terminal and the second terminal are in an inverted L-shaped structure, and a first embedded groove and a second embedded groove which are respectively embedded by the L-shaped head of the first terminal and the L-shaped head of the second terminal are also formed in the bottom shell;
the first terminal is also provided with a first positioning lapping platform which is opposite to the transverse extending direction of the L-shaped head, and the bottom shell is correspondingly provided with a first positioning groove which is matched with the first positioning lapping platform;
the second terminal is also provided with a second positioning abutment which is opposite to the transverse extending direction of the L-shaped head of the second terminal, and correspondingly, the bottom shell is provided with a second positioning groove which is matched with the second positioning abutment.
Further provided is that: the end face of the first terminal extending to the outside of the bottom shell through the first terminal hole is split through the jig to form a first notch, so that the first terminal is firmly connected to the bottom shell;
the second terminal passes through the second terminal hole and extends to the terminal surface outside the drain pan and form the second incision through the tool cleavage for the second terminal is firm to be connected on the drain pan.
Further provided is that: the rotary shaft group further comprises a rotary shaft and a main spring, the rotary shaft is connected with the movable contact in a linkage mode, an upward protruding cylinder structure is formed at the tail end of the movable contact, the lower end of the main spring is sleeved on the cylinder structure, and the upper end of the main spring is abutted to the lower end face of the rotary shaft.
Further provided is that: the tail end of the movable contact piece is provided with reverse convex hulls opposite to the convex direction of the cylinder structure corresponding to the two sides of the cylinder structure.
Further provided is that: an annular groove is formed in the side wall of the inner cavity of the bottom shell, and a convex edge matched with the annular groove is formed in the outer edge surface of the shaft sleeve.
Further provided is that: the upper end face of the shaft sleeve is higher than the upper end face of the bottom shell.
Compared with the prior art, the invention has the advantages of simple structure, convenient assembly, greatly improved production efficiency and reduced production cost; the first terminal and the second terminal can be vertically arranged on the bottom shell through the arrangement of the first positioning lapping platform and the second positioning lapping platform, and skew is not easy to occur; the first terminal and the second terminal are split through the jig to form a first notch and a second notch, so that the first terminal and the second terminal are firmly connected to the bottom shell, and the first terminal and the second terminal are more convenient to fix relative to dispensing and can be split and formed once through the jig; meanwhile, the shaft sleeve and the bottom shell of the device are connected through the matching of the convex edges and the annular grooves, so that the device is simpler in structure and more convenient to assemble.
Drawings
FIG. 1 is a schematic perspective view of a rotary switch according to the present invention;
FIG. 2 is a schematic view of the axial cross-sectional structure of FIG. 1;
FIG. 3 is a schematic view of the separation structure of FIG. 1;
FIG. 4 is an electrical schematic of a rotary switch;
fig. 5 is a schematic perspective view of the bottom chassis;
FIG. 6 is an enlarged schematic view of the portion A of FIG. 5;
fig. 7 is a schematic diagram of a stereoscopic structure of the second terminal;
fig. 8 is a schematic perspective view of a movable contact.
The following reference numerals are attached thereto in combination with the accompanying drawings:
1. a bottom case; 11. a second terminal hole; 12. a second insertion groove; 13 a second positioning groove; 14. a positioning groove; 15. an annular groove; 16. a socket; 2. a shaft sleeve; 21. a rib; 22. a plug block; 23. a guide groove; 3. a first terminal; 4. a second terminal; 41. a second "L" shaped head; 42. a second positioning lapping platform; 5. a rotation shaft; 51. a turntable unit; 511. a receiving groove; 512. a main spring accommodating portion; 513. an auxiliary spring accommodating portion; 514. a steel ball spring accommodating part; 515. a guide block; 52. a shaft portion; 6. a movable contact; 61. a column structure; 62. an arch surface; 63. reverse convex hull; 7. a main spring; 8. an auxiliary spring; 9. a first steel ball; 10. a second steel ball; 101. and a steel ball spring.
Detailed Description
One embodiment of the present invention will be described in detail below with reference to the attached drawings, but it should be understood that the scope of the present invention is not limited by the embodiment.
The rotary switch of the invention is shown in figures 1, 2, 3 and 4, and comprises a bottom shell 1, a shaft sleeve 2, a first terminal 3, a second terminal 4 and a rotating shaft group, wherein the bottom shell 1 is of a thin shell structure with an upward opening, the first terminal 3 is fixedly arranged in the middle of the bottom shell 1, and the second terminal 4 is provided with a plurality of circumferentially spaced and fixedly arranged on the bottom shell 1; the rotatable limiting and fixed mounting of the rotating shaft group is arranged in a cavity formed by the bottom shell 1 and the shaft sleeve 2 in a matched manner, and comprises a movable contact piece 6, the head end and the tail end of the movable contact piece 6 can be respectively abutted against the second terminal 3 and the first terminal 4, and the movable contact piece 6 can be connected with the first terminal 3 and any second terminal 4 in the rotating process of the rotating shaft group, so that different control purposes are achieved; in this embodiment, the number of the first terminals 3 is one, the number of the second terminals 4 is eight, and the eight second terminals 4 are uniformly spaced with the tail ends of the movable contact pieces 6 as the center, so as to rotate the rotating shaft group, the tail ends of the movable contact pieces 6 are always abutted to the first terminals 3, and the head ends can be abutted to any one of the second terminals 4, so that different control purposes are achieved.
As shown in fig. 2, 3, 5, 6 and 7, the first terminal 3 and the second terminal 4 have the same structure and are arranged in an inverted L-shaped structure, and include an L-shaped head and a positioning abutment arranged opposite to the lateral extension direction of the L-shaped head, and correspondingly, the first terminal 3 includes a first L-shaped head and a first positioning abutment, and the second terminal 4 includes a second L-shaped head 41 and a second positioning abutment 42; correspondingly, a first terminal hole for inserting the first terminal 3, a first embedded groove matched with the first L-shaped head and a first positioning groove matched with the first positioning lapping platform are formed in the middle of the bottom shell 1, and a second terminal hole 11 for inserting the second terminal 4, a second embedded groove 12 matched with the second L-shaped head 41 and a second positioning groove 13 matched with the second positioning lapping platform 42 are also formed on the periphery of the bottom shell 1; thus, the first terminal 3 is inserted in the first terminal hole, the first L-shaped head is embedded in the first embedded groove, the first positioning lug is embedded in the first positioning groove, the second terminal 4 is inserted in the second terminal hole 11, the second L-shaped head 41 is embedded in the second embedded groove 12, and the second positioning lug 42 is embedded in the second positioning groove 13, so that the first terminal 3 and the second terminal 4 can be connected with the bottom shell 1 in a fastening fit manner; the first terminal 3 and the second terminal 4 are of an inverted L-shaped structure and are provided with positioning bridging tables with opposite transverse extending directions, so that the first terminal 3 and the second terminal 4 are vertically fixed on the bottom shell 1, and skew is avoided.
Further, the end face of the first terminal 3 extending to the outside of the bottom shell 1 through the first terminal hole is split by the jig to form a first notch, so that the first terminal 3 is firmly connected to the bottom shell 1; the second terminal 4 passes the terminal surface that the second terminal hole extends to outside the drain pan 1 and cleaves into the second incision through the tool for second terminal 4 is firm to be connected on drain pan 1, and first incision on the first terminal 3 and the second incision on the second terminal 4 can take place to warp through the spacing of first location abutment and second location abutment 42 simultaneously through the tool, can avoid cleaving in-process first terminal 3 and second terminal 4 to take place askew, thereby avoided traditional adhesive dispensing fixed trouble, improved production efficiency greatly.
As shown in fig. 2, 3 and 5, the shaft sleeve 2 is fixedly installed at the opening of the bottom shell 1, the side wall of the bottom shell 1 corresponding to the opening of the inner cavity is provided with an annular groove 15, and correspondingly, the outer edge surface of the shaft sleeve 2 is provided with a convex rib 21 matched with the annular groove 15, and the shaft sleeve 2 and the bottom shell 1 can be fixedly connected through the buckling connection of the convex rib 21 and the annular groove 15, so that the trouble of dispensing and fixing is avoided; meanwhile, in order to prevent the shaft sleeve 2 from rotating along with the rotating shaft group, the outer edge surface of the shaft sleeve 2 is provided with an inserting block 22, the opening of the corresponding bottom shell 1 is provided with a socket 16 for inserting the inserting block 22, and the shaft sleeve 2 can be prevented from rotating by matching the inserting block 22 with the socket 16; preferably, after the shaft sleeve 2 is fixed with the bottom shell 1, the upper end face of the shaft sleeve 2 is higher than the upper end face of the bottom shell 1, so that when the switch is installed, the nut is sleeved on the shaft sleeve 2 to be fastened in a rotating way, and the possibility that the shaft sleeve 2 is pulled out of the base is avoided.
As shown in fig. 3, the rotation shaft group includes a rotation shaft 5, a movable contact 6, a main spring 7, an auxiliary spring 8, steel balls, and a steel ball spring 101.
As shown in fig. 2, the rotary shaft 5 includes a turntable part 51 and a shaft part 52, and the shaft part 52 is fixedly connected to the middle part of the turntable part 51 and extends to the outside of the shaft sleeve 2 through the shaft sleeve 2, so that the turntable part 51 can be conveniently rotated through the shaft part 52; the upper end surface of the turntable unit 51 is provided with a guide block 515, and correspondingly, the lower end surface of the sleeve 2 is provided with a guide groove 23 rotatably engaged with the guide block 515, and the guide block 515 is inserted into the guide groove 23 and rotated along the guide groove 23, thereby improving the reliability of rotation of the rotary shaft 5.
As shown in fig. 2, the lower end surface of the turntable part 51 is provided with a containing groove 511, and the movable contact 6 is in a strip structure and is contained in the containing groove 511, so that linkage connection between the movable contact 6 and the turntable part 51 is realized, and both ends of the movable contact 6 can respectively abut against the first terminal 3 and any second terminal 4 in the rotating process, wherein the tail end of the movable contact 6 always abuts against the first terminal 3, and the head end thereof abuts against the second terminal 4 in the rotating process; preferably, the tail end of the movable contact 6 is formed with an upward protruding column structure 61, the column structure 61 is formed in a tearing manner, and meanwhile, opposite convex hulls 63 protruding downwards are arranged at two sides of the tail end of the movable contact 6 corresponding to the column structure 61, so that the abutting effect of the head end of the movable contact 6 and the second terminal 4 is improved through the opposite convex hulls 63; the rotary disc portion 51 is formed with a main spring accommodating portion 512 corresponding to the column structure 61, and the main spring 7 is in abutting connection between the column structure 61 and the main spring accommodating portion 512, so that the reverse convex hull 63 at the tail end of the movable contact 6 can be reliably abutted against the first L-shaped head of the first terminal 3 all the time under the action of the main spring 7.
As shown in fig. 2, 5 and 8, the middle part of the movable contact 6 is formed with an upwardly raised arch surface 62, and simultaneously forms a groove structure with a downward opening, the turntable part 51 is formed with an auxiliary spring accommodating part 513 at the position corresponding to the arch surface 62 of the movable contact 6, and the auxiliary spring 8 is in abutting connection between the arch surface 62 and the auxiliary spring accommodating part 513; correspondingly, positioning grooves 14 which are in one-to-one correspondence with the second terminals 4 are arranged at intervals in the annular area between the bottom of the bottom shell 1 and the corresponding first terminal hole and the second terminal hole 11 in an annular way, and the positioning grooves 14 and the groove structure are positioned on the same vertical annular surface, so that the groove structure can be matched with any positioning groove 14 to form a cavity, and the first steel balls 9 are positioned in the cavity; preferably, the turntable part 51 is provided with at least one steel ball spring accommodating part 514 corresponding to the positioning groove 14, the steel ball spring accommodating part 514 and the groove structure are positioned on the same radial ring surface, at least one second steel ball 10 is arranged in a cavity formed by the matching of the steel ball spring accommodating part 514 and the positioning groove 14, and the steel ball spring 101 is in abutting connection between the second steel ball 10 and the steel ball spring accommodating part 514; the first steel ball 9 and the second steel ball 10 can be driven to move between the positioning grooves 14 through rotating the rotating shaft 5, so that the rotating shaft 5 rotates more conveniently, and the rotating control of the rotary switch can be more stable and reliable through the first steel ball 9 and the second steel ball 10 placed in the positioning grooves 14.
Compared with the prior art, the invention has the advantages of simple structure, convenient assembly, greatly improved production efficiency and reduced production cost; the first terminal and the second terminal can be vertically arranged on the bottom shell through the arrangement of the first positioning lapping platform and the second positioning lapping platform, and skew is not easy to occur; the first terminal and the second terminal are split through the jig to form a first notch and a second notch, so that the first terminal and the second terminal are firmly connected to the bottom shell, and the first terminal and the second terminal are more convenient to fix relative to dispensing and can be split and formed once through the jig; meanwhile, the shaft sleeve and the bottom shell of the device are connected through the matching of the convex edges and the annular grooves, so that the device is simpler in structure and more convenient to assemble.
The above disclosure is merely an example of the present invention, but the present invention is not limited thereto, and any variations that can be considered by a person skilled in the art should fall within the protection scope of the present invention.
Claims (4)
1. The rotary switch is characterized by comprising a bottom shell, a shaft sleeve, a rotating shaft group, a first terminal and a second terminal;
the bottom shell is of a thin shell structure with an upward opening, the first terminals are fixedly arranged on the middle part of the bottom shell, the second terminals are provided with a plurality of first terminal holes and second terminal holes, the first terminal holes and the second terminal holes are circumferentially arranged on the bottom of the bottom shell, and the first terminal holes and the second terminal holes are correspondingly formed in the bottom of the bottom shell;
the rotary shaft group is rotatably and limitedly arranged in a cavity formed by the bottom shell and the shaft sleeve in a matched manner, and comprises a movable contact piece which can realize the abutting connection between the first terminal and any second terminal in the rotary process of the rotary shaft group;
the first terminal and the second terminal are in an inverted L-shaped structure, and a first embedded groove and a second embedded groove which are respectively embedded by the L-shaped head of the first terminal and the L-shaped head of the second terminal are also formed in the bottom shell;
the first terminal is also provided with a first positioning lapping platform which is opposite to the transverse extending direction of the L-shaped head, and the bottom shell is correspondingly provided with a first positioning groove which is matched with the first positioning lapping platform;
the second terminal is also provided with a second positioning abutment which is opposite to the transverse extending direction of the L-shaped head of the second terminal, and correspondingly, the bottom shell is provided with a second positioning groove which is matched with the second positioning abutment;
the end face of the first terminal extending to the outside of the bottom shell through the first terminal hole is split through the jig to form a first notch, so that the first terminal is firmly connected to the bottom shell;
the end face of the second terminal extending to the outside of the bottom shell through the second terminal hole is split through the jig to form a second notch, so that the second terminal is firmly connected to the bottom shell;
the upper end face of the shaft sleeve is higher than the upper end face of the bottom shell.
2. The rotary switch according to claim 1, wherein the rotary shaft group further comprises a rotary shaft and a main spring, the rotary shaft is connected with the movable contact in a linkage manner, the tail end of the movable contact is provided with an upward protruding column structure, the lower end of the main spring is sleeved on the column structure, and the upper end of the main spring is abutted to the lower end face of the rotary shaft.
3. The rotary switch according to claim 2, wherein opposite convex hulls with opposite convex directions are arranged at the tail ends of the movable contact corresponding to the two sides of the column structure.
4. The rotary switch according to claim 1, wherein an annular groove is formed in a side wall of the inner cavity of the bottom shell, and a convex edge matched with the annular groove is formed on an outer edge surface of the shaft sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811230638.9A CN109216087B (en) | 2018-10-22 | 2018-10-22 | Rotary switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811230638.9A CN109216087B (en) | 2018-10-22 | 2018-10-22 | Rotary switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109216087A CN109216087A (en) | 2019-01-15 |
| CN109216087B true CN109216087B (en) | 2024-02-06 |
Family
ID=64980025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811230638.9A Active CN109216087B (en) | 2018-10-22 | 2018-10-22 | Rotary switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109216087B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3590177A (en) * | 1969-06-13 | 1971-06-29 | Buchanan Electrical Prod Corp | Limit switch |
| JPH11345544A (en) * | 1998-06-01 | 1999-12-14 | Sumitomo Wiring Syst Ltd | Rotary switch |
| KR100812188B1 (en) * | 2007-03-27 | 2008-03-12 | 대성전기공업 주식회사 | Constructions of the switch part in the centrifugal switch for a single-phase induction motor |
| CN201985005U (en) * | 2011-04-12 | 2011-09-21 | 李卫东 | Rotary switch suitable for assembling by automatic assembling machine |
| CN206976222U (en) * | 2017-06-19 | 2018-02-06 | 东南电子股份有限公司 | Assemble firm rotary switch |
| CN208673958U (en) * | 2018-10-22 | 2019-03-29 | 宁波万事达综研电气有限公司 | A kind of rotary switch |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8981244B2 (en) * | 2012-12-14 | 2015-03-17 | Solteam Electronics Co., Ltd. | Forward/backward rotation switching mechanism |
-
2018
- 2018-10-22 CN CN201811230638.9A patent/CN109216087B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3590177A (en) * | 1969-06-13 | 1971-06-29 | Buchanan Electrical Prod Corp | Limit switch |
| JPH11345544A (en) * | 1998-06-01 | 1999-12-14 | Sumitomo Wiring Syst Ltd | Rotary switch |
| KR100812188B1 (en) * | 2007-03-27 | 2008-03-12 | 대성전기공업 주식회사 | Constructions of the switch part in the centrifugal switch for a single-phase induction motor |
| CN201985005U (en) * | 2011-04-12 | 2011-09-21 | 李卫东 | Rotary switch suitable for assembling by automatic assembling machine |
| CN206976222U (en) * | 2017-06-19 | 2018-02-06 | 东南电子股份有限公司 | Assemble firm rotary switch |
| CN208673958U (en) * | 2018-10-22 | 2019-03-29 | 宁波万事达综研电气有限公司 | A kind of rotary switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109216087A (en) | 2019-01-15 |
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