CN107146730B - Knob with centering ring - Google Patents
Knob with centering ring Download PDFInfo
- Publication number
- CN107146730B CN107146730B CN201710391437.6A CN201710391437A CN107146730B CN 107146730 B CN107146730 B CN 107146730B CN 201710391437 A CN201710391437 A CN 201710391437A CN 107146730 B CN107146730 B CN 107146730B
- Authority
- CN
- China
- Prior art keywords
- knob
- centering ring
- handle
- support
- knob handle
- 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.)
- Expired - Fee Related
Links
- 230000006835 compression Effects 0.000 claims description 13
- 238000007906 compression Methods 0.000 claims description 13
- 230000007246 mechanism Effects 0.000 claims description 13
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
- H01H19/02—Details
- H01H19/10—Movable parts; Contacts mounted thereon
- H01H19/14—Operating parts, e.g. turn knob
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- Mechanical Control Devices (AREA)
Abstract
The invention provides a knob with a centering ring, which comprises a knob support, a knob handle and a centering ring, wherein the upper end of the knob support is sleeved at the lower end of the knob handle; the invention is characterized in that the centering ring is sleeved at the lower end of the knob handle, the outer surface of the centering ring is tightly contacted with the inner surface of the knob bracket, and the inner surface of the centering ring is tightly contacted with the outer surface of the outer handle of the knob handle; thereby ensure knob handle and clearing hole and remain the axial concentric state all the time, make the clearance between the internal surface of knob handle and the flexible subassembly keep even unanimity, make the product more pleasing to the eye and more feel, also prevented simultaneously to touch between knob handle and the flexible subassembly and produce the friction at the rotatory knob handle in-process, let the user operation experience sense stronger.
Description
Technical Field
The invention relates to the technical field of knobs, in particular to a knob with a centering ring.
Background
Knobs applied to a plurality of existing products comprise telescopic assemblies, knob handles and knob supports sleeved at the lower ends of the knob handles, wherein the telescopic assemblies are arranged in the knob handles and the knob supports; when the product is used, the control of a product switch or the adjustment of a gear is realized by pressing and rotating the knob handle; however, in many current knobs, the through holes of the knob handle and the telescopic assembly are relatively eccentric, so that the gap between the knob handle and the telescopic assembly is uneven, the attractiveness and the texture of a product are affected, and even the knob handle and the telescopic assembly are likely to be touched to generate friction, so that a user experiences poor operation feeling, and the use is affected.
Disclosure of Invention
In order to overcome the problems of the prior art, the invention mainly aims to provide a knob which can ensure that the eccentricity between a knob handle and a through hole of a telescopic assembly is avoided.
In order to achieve the purpose, the invention specifically adopts the following technical scheme:
the invention provides a knob with a centering ring, which comprises a knob support, a knob handle and a centering ring, wherein the upper end of the knob support is sleeved at the lower end of the knob handle, the centering ring is sleeved at the lower end of the knob handle, the outer surface of the centering ring is in close contact with the inner surface of the knob support, and the inner surface of the centering ring is in close contact with the outer surface of the knob handle.
Preferably, the centering ring comprises a centering ring support and a telescopic elastic pressing mechanism, the centering ring support is sleeved at the lower end of the knob handle and fixed between the knob support and the knob handle, and at least three groups of the telescopic elastic pressing mechanism are arranged along the circumferential direction of the centering ring support.
Preferably, the inner surface of the upper end of the knob support is provided with a mounting concave table, and the centering ring support is fixed on the mounting concave table.
Preferably, the internal surface of installation concave station is followed the circumference of knob support is provided with at least one buckle, centering ring support's surface be provided with the draw-in groove that the buckle corresponds, centering ring support with knob support joint.
Preferably, the upper end of the knob support is provided with a positioning opening, and the outer surface of the centering ring support is provided with a positioning projection corresponding to the positioning opening.
Preferably, the outer surface of the lower end of the knob handle is provided with a limiting boss, and the limiting boss is located below the centering ring support.
Preferably, the telescopic biasing mechanisms are uniformly distributed along the circumferential direction of the centering ring support.
Preferably, flexible suppress mechanism includes spring end cover, compression spring and ball, centering ring support is provided with the through-hole along its radial direction, the spring end cover is fixed in the through-hole outer end, the ball set up in the through-hole inner, compression spring set up in the through-hole, and compression spring's one end with the spring end cover is connected, the compression spring other end with the ball is connected.
Compared with the prior art, the centering ring is sleeved at the lower end of the knob handle, the outer surface of the centering ring is in close contact with the inner surface of the knob bracket, and the inner surface of the centering ring is in close contact with the outer surface of the knob handle; thereby ensure knob handle and the flexible subassembly through hole and remain the axial concentric state throughout, make the clearance between the internal surface of knob handle and the flexible subassembly keep even unanimity, make the product more pleasing to the eye and more feel, also prevented simultaneously to touch between knob handle and the flexible subassembly and produce the friction at the rotatory knob handle in-process, let the user operate and get up experience sense stronger.
Drawings
Fig. 1 is a sectional view of a knob according to embodiment 1 of the present invention;
FIG. 2 is a view showing the structure of a centering ring according to embodiment 1 of the present invention;
FIG. 3 is a view showing a structure of a knob holder according to embodiment 1 of the present invention;
FIG. 4 is a sectional view of a centering ring according to embodiment 1 of the present invention;
FIG. 5 is a view showing a structure of a knob in embodiment 1 of the invention;
FIG. 6 is an exploded view of a rotary knob according to embodiment 1 of the present invention;
in the figure, 1, a knob handle; 11. a limiting boss; 2. a knob bracket; 21. buckling; 22. positioning the opening; 23. mounting a concave platform; 3. a centering ring; 31. a centering ring support; 311. a card slot; 312. positioning the bump; 32. a telescopic spring pressing mechanism; 321. a spring end cap; 322. a compression spring; 323. a ball bearing; 4. a switch; 5. a telescoping assembly; 51. a first telescopic rod; 52. a second telescopic rod; 53. a spring; 6. switch support.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, the present embodiment provides a knob with a centering ring, which includes a knob holder 2, a knob handle 1, and a telescopic assembly 5; the upper end of the knob support 2 is sleeved at the lower end of the knob handle 1, and the telescopic component 5 is arranged in the knob handle 1 and the knob support 2 in a penetrating manner; the centering ring 3 is sleeved at the lower end of the knob handle 1 and is positioned between the knob handle 1 and the knob support 2, so that the outer surface of the centering ring 3 is in close contact with the inner surface of the knob support 2, and the inner surface of the centering ring 3 is in close contact with the outer surface of the knob handle 1. When the knob is used on a product, the knob handle 1 is pressed and rotated to realize the adjustment of the switch or the gear of the product, and the centering ring 3 is arranged to avoid the relative eccentricity between the knob handle 1 and the through hole of the telescopic assembly 5, thereby ensuring the centering of the knob.
As shown in fig. 2 and 3, the centering ring 3 includes a centering ring holder 31 and a telescopic pressing mechanism 32, the centering ring holder 31 is fixedly sleeved on the lower end of the knob handle 1 and fixed on the upper end of the knob holder 2, and at least three sets of telescopic pressing mechanisms 32 are arranged along the circumferential direction of the centering ring holder 31. Specifically, the inner surface of the upper end of the knob holder 2 is provided with a mounting concave table 23, three sets of buckles 21 are arranged on the inner surface of the mounting concave table 23 along the circumferential direction of the knob holder 2, the outer surface of the centering ring holder 31 is provided with a clamping groove 311 corresponding to the buckles 21, and the centering ring holder 31 is mounted on the mounting concave table 23 and clamped with the knob holder 2 through the buckles 21 and the clamping grooves 311. In the present embodiment, six groups of the telescopic biasing mechanisms 32 are uniformly distributed along the circumferential direction of the centering ring bracket 31, and three groups of the buckles 21 are arranged on the inner surface of the mounting concave 23 along the circumferential direction of the knob bracket 2; in other embodiments, five, seven or eight groups of the telescopic biasing mechanisms 32 may be uniformly or non-uniformly arranged along the circumferential direction of the centering ring holder 31, and four or two groups of the snaps 21 arranged along the circumferential direction of the knob holder 2 on the inner surface of the mounting recess 23 may be provided.
For the convenience of installation, the upper end of the knob holder 2 is further provided with a positioning opening 22, and the outer surface of the centering ring holder 31 is further provided with a positioning projection 312 corresponding to the positioning opening 22. When the centering ring holder 31 is mounted to the knob holder 2, it is only necessary to align the positioning projections 312 with the positioning openings 22 and to snap the centering ring holder 31 into the knob holder 2.
In this embodiment, a limiting boss 11 is further disposed on the outer surface of the lower end of the knob handle 1, and the limiting boss 11 is located below the centering ring support 31 to prevent the knob handle 1 from separating from the knob support 2 when moving upward.
As shown in fig. 4, the telescopic biasing mechanism 32 includes a spring end cap 321, a compression spring 322, and a ball 323, a through hole is provided in the radial direction of the centering ring holder 31, the spring end cap 321 is fixed to an outer end of the through hole, the ball 323 is provided at an inner end of the through hole, the compression spring 322 is provided in the through hole, one end of the compression spring 322 is connected to the spring end cap 321, and the other end of the compression spring 322 is connected to the ball 323. The telescopic spring mechanism 32 is arranged in the circumferential direction of the knob support 2, when the knob handle 1 rotates, the spherical surface of the ball 323 positioned at the inner side of the centering ring support 31 contacts with the outer surface of the knob handle 1 to generate rolling friction, the friction resistance is small, and the hand feeling of a user is smooth when the user operates the knob handle.
As shown in fig. 5 and 6, the knob of the present embodiment further includes a switch bracket 6, a telescopic assembly 5, and a switch 4. Wherein, the telescopic assembly 5 comprises a first telescopic rod 51, a second telescopic rod 52 and a spring 53; the lower extreme in knob handle 1 is cup jointed to the upper end of knob support 2, and switch support 6 joint is in the lower extreme of knob support 2, and first telescopic link 51 sets up in knob handle 1, and the lower extreme of first telescopic link 51 is worn to locate by the upper end of second telescopic link 52, and spring 53 sets up in first telescopic link 51, second telescopic link 52, and switch support 6 and the lower extreme of second telescopic link 52 are worn to locate by the upper end of switch 4.
When the gear position or the control switch is adjusted, the knob handle 1 is pressed, the knob handle 1 presses the first telescopic rod 51 downwards, the first telescopic rod 51 moves downwards and presses the spring 53 downwards, the spring 53 is compressed to apply downward pressure to the second telescopic rod 53, the second telescopic rod 53 presses the switch 4 downwards, and the knob handle 1 is rotated to realize the control of the switch or the adjustment of the gear position.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. A knob with a centering ring is characterized by comprising a knob support, a knob handle, the centering ring and a telescopic assembly, wherein the upper end of the knob support is sleeved at the lower end of the knob handle, the telescopic assembly is arranged in the knob handle and the knob support in a penetrating manner, the centering ring is sleeved at the lower end of the knob handle, the outer surface of the centering ring is in close contact with the inner surface of the knob support, and the inner surface of the centering ring is in close contact with the outer surface of the knob handle; the centering ring comprises a centering ring support and a telescopic elastic pressing mechanism, the centering ring support is sleeved at the lower end of the knob handle and fixed between the knob support and the knob handle, and at least three groups are arranged along the circumferential direction of the centering ring support.
2. The knob according to claim 1, wherein the knob holder is provided at an inner surface of an upper end thereof with a mounting recess, and the centering ring holder is fixed to the mounting recess.
3. The knob with the centering ring according to claim 2, wherein the inner surface of the mounting concave is provided with at least one buckle along the circumferential direction of the knob bracket, the outer surface of the centering ring bracket is provided with a clamping groove corresponding to the buckle, and the centering ring bracket is clamped with the knob bracket.
4. The knob with the centering ring according to claim 3, wherein a positioning opening is provided at an upper end of the knob holder, and a positioning protrusion corresponding to the positioning opening is provided at an outer surface of the centering ring holder.
5. The knob with the centering ring according to claim 2, wherein a limiting boss is provided on an outer surface of a lower end of the knob handle, and the limiting boss is located below the centering ring holder.
6. The knob with centering ring according to any one of claims 1 to 5, wherein said telescopic biasing means are uniformly distributed along the circumference of said centering ring holder.
7. The knob according to claim 6, wherein the retractable biasing mechanism comprises a spring end cap, a compression spring and a ball, the centering ring holder is provided with a through hole along a radial direction thereof, the spring end cap is fixed at an outer end of the through hole, the ball is arranged at an inner end of the through hole, the compression spring is arranged in the through hole, one end of the compression spring is connected with the spring end cap, and the other end of the compression spring is connected with the ball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710391437.6A CN107146730B (en) | 2017-05-27 | 2017-05-27 | Knob with centering ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710391437.6A CN107146730B (en) | 2017-05-27 | 2017-05-27 | Knob with centering ring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107146730A CN107146730A (en) | 2017-09-08 |
| CN107146730B true CN107146730B (en) | 2020-01-14 |
Family
ID=59779279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710391437.6A Expired - Fee Related CN107146730B (en) | 2017-05-27 | 2017-05-27 | Knob with centering ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107146730B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108202170A (en) * | 2017-11-24 | 2018-06-26 | 杨海才 | A kind of modified equipment manufacturing gantry type cutting device |
| CN108213578A (en) * | 2017-11-24 | 2018-06-29 | 杨海才 | A kind of New Equipments manufacture gantry type cutting device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2399906A (en) * | 1943-09-01 | 1946-05-07 | Arrow Hart & Hegeman Electric | Indexing means for multiposition electric switches |
| CN205478908U (en) * | 2016-03-24 | 2016-08-17 | 如皋市非标轴承有限公司 | Gear shaft bearing of preventing deflecting is corrected to magnetic induction power |
| CN205645638U (en) * | 2016-04-20 | 2016-10-12 | 广东美的厨房电器制造有限公司 | Knob subassembly and kitchen appliance who has it |
| CN207038402U (en) * | 2017-05-27 | 2018-02-23 | 华帝股份有限公司 | Knob with centering ring |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201859797U (en) * | 2010-10-16 | 2011-06-08 | 广东新宝电器股份有限公司 | Structure of rotary-press button switch for small home appliance |
-
2017
- 2017-05-27 CN CN201710391437.6A patent/CN107146730B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2399906A (en) * | 1943-09-01 | 1946-05-07 | Arrow Hart & Hegeman Electric | Indexing means for multiposition electric switches |
| CN205478908U (en) * | 2016-03-24 | 2016-08-17 | 如皋市非标轴承有限公司 | Gear shaft bearing of preventing deflecting is corrected to magnetic induction power |
| CN205645638U (en) * | 2016-04-20 | 2016-10-12 | 广东美的厨房电器制造有限公司 | Knob subassembly and kitchen appliance who has it |
| CN207038402U (en) * | 2017-05-27 | 2018-02-23 | 华帝股份有限公司 | Knob with centering ring |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107146730A (en) | 2017-09-08 |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200114 |