CN214128183U - Can prevent excessively rotatory knob structure and cooking utensil - Google Patents
Can prevent excessively rotatory knob structure and cooking utensil Download PDFInfo
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- CN214128183U CN214128183U CN202022398943.8U CN202022398943U CN214128183U CN 214128183 U CN214128183 U CN 214128183U CN 202022398943 U CN202022398943 U CN 202022398943U CN 214128183 U CN214128183 U CN 214128183U
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Abstract
The application discloses can prevent excessively rotatory knob structure for link to each other with the gear switch, the knob structure includes knob shell, knob inner disc and elastic joint spare, the knob inner disc with the gear switch is connected and together is rotated, elastic joint spare sets up the knob shell with between the knob inner disc, just the knob shell passes through elastic joint spare drives the knob inner disc rotates, elastic joint spare's elasticity is less than the gear switch with the destroyed power of knob inner disc, gear switch reachs limit position, the knob shell is relative the knob inner disc rotates.
Description
Technical Field
The present application relates to but is not limited to the field of kitchen appliances, and particularly relates to a knob structure and a cooking appliance capable of preventing over-rotation.
Background
Knob switches are widely used as a currently common function selection mode, and the assembly mode of the knob switches is as follows: the knob is arranged on the gear switch, and the switch is driven by rotating the knob to select the switch and the function of the power supply. The existing knob switch is generally divided into two rotation modes: one is a knob switch with a gear (rotating within a certain angle range), and the other is a knob switch capable of rotating 360 degrees. Wherein the knob switch who has the gear drives gear switch pivot through the knob rotation for gear switch can step by step the shelves and rotate, but gear switch's shelves have the quantity restriction, make its turned angle be in a fixed within range, can be died by the card after rotatory certain angle, but the user is difficult when using at this moment to discover that it has rotated to the gear end, still can rotate the knob with great power, causes knob or gear switch pivot to damage easily.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a can prevent to rotate excessive knob structure and cooking utensil, and the knob structure can be applied to the knob switch that has the gear, and knob structure and cooking utensil can effectively prevent to lead to knob or gear switch pivot to damage because of rotating excessively.
The embodiment of the application provides a knob structure capable of preventing over-rotation, which is used for being connected with a gear switch, the knob structure comprises a knob shell, a knob inner disc and an elastic clamping piece, the knob inner disc is connected with the gear switch and rotates together with the gear switch, the elastic clamping piece is arranged between the knob shell and the knob inner disc, the knob shell drives the knob inner disc to rotate through the elastic clamping piece,
the elasticity of elasticity joint spare is less than gear switch with the destroyed power of knob inner disc, gear switch reaches limit position, the knob shell is relative the knob inner disc rotates.
Optionally, a clamping groove is formed in the inner circumferential surface of the knob shell, and a linkage groove is formed in the outer circumferential surface of the knob inner disc; or, the inner circumferential surface of the knob shell is provided with a linkage groove, the outer circumferential surface of the knob inner disc is provided with a clamping groove,
one end of the elastic clamping piece is arranged in the clamping groove, and the other end of the elastic clamping piece can be telescopically abutted in the linkage groove; after the gear switch reaches a limit position, when the knob shell continues to rotate, the other end of the elastic clamping piece is separated from the linkage groove, so that the knob inner disc is not driven to rotate by the knob shell and the elastic clamping piece any more.
Optionally, a boss is arranged on the knob inner disc, and the linkage groove or the clamping groove is arranged on the outer circumferential surface of the boss.
Optionally, a fixing hole is further arranged on one side of the knob inner disc, which is provided with the linkage groove or the clamping groove, the rotating shaft of the gear switch is inserted into the fixing hole,
and a first anti-rotation structure is arranged in the fixing hole, so that the knob inner disc and the gear switch rotate together.
Optionally, the device also comprises a shielding sheet, an indication mark is arranged on the shielding sheet,
the end, far away from the gear switch, of the knob shell is of an opening structure, and the shielding piece is installed in the opening structure and connected with the knob inner disc and rotates together with the knob inner disc.
Optionally, a positioning hole is arranged on one side of the knob inner disc away from the fixing hole, a positioning column is arranged on the shielding sheet and inserted into the positioning hole,
and a second anti-rotation structure is arranged in the positioning hole, so that the shielding piece and the knob inner disc rotate together.
Optionally, a gap is provided between the shielding sheet and the knob housing.
Optionally, a guide groove is formed in the outer circumferential surface of the inner knob disc, a buckling position is formed in the inner circumferential surface of the knob housing, the buckling position axially penetrates through the guide groove, and the inner knob disc is mounted in the knob housing.
Optionally, the elastic clamping piece is a metal elastic piece, and the end part of the metal elastic piece, which is arranged in the linkage groove, is arc-shaped or conical.
The embodiment of the application also provides a cooking appliance, and the cooking appliance adopts the knob structure capable of preventing excessive rotation.
Compared with some technologies, the method has the following beneficial effects:
according to the knob structure capable of preventing over-rotation, provided by the embodiment of the application, under a normal condition, the knob shell drives the knob inner disc to rotate through the elastic clamping piece; after the gear switch reaches the limit position, the knob shell can not drive the knob inner disc to rotate through the elastic clamping piece, the condition that the user continues to twist the knob or the gear switch rotating shaft to be damaged when the user does not know that the gear switch reaches the limit position is avoided, normal work of the knob structure is guaranteed, and reliability and practicability of the knob structure are improved.
The knob shell and the knob inner disc are provided with the clamping groove on one of them, are provided with the linkage groove on the other, and elastic clamping piece one end is installed in the clamping groove, and the other end supports telescopically in the linkage groove, and the mounting means is simple and reliable, and convenient assembling, when the knob shell continues to rotate after the gear switch arrives the limiting position, elastic clamping piece deviates from the linkage groove, has removed the cooperation between knob shell and the knob inner disc, and the joint structure is simple relatively, and required part quantity is less, has improved the reliability of joint structure, also makes knob structure reliable operation simultaneously, avoids knob or gear switch pivot to damage.
The boss is arranged on the knob inner disc and used for machining the linkage groove or the clamping groove, the arrangement mode of the linkage groove and the clamping groove is simplified, the boss outer circumference is specially used for machining the linkage groove or the clamping groove, the knob outer circumference is not required to be matched with the knob shell (the knob inner disc outer circumference is matched with the knob shell inner wall), and the structure of the knob inner disc is simplified.
The first anti-rotation structure is arranged in the fixing hole of the knob inner disc, so that the knob inner disc and the gear switch can be relatively fixed, the knob inner disc and the gear switch cannot rotate relatively, the structure of the knob inner disc is simplified, and the connection reliability of the knob inner disc and the gear switch is improved.
The shielding piece is arranged at the opening of the knob shell and can shield the knob inner disc arranged inside the knob shell, the integral attractiveness of the knob structure is improved, meanwhile, the knob inner disc arranged inside is protected to a certain extent, and impurities such as external dust are prevented from entering the knob shell. The indication mark is arranged on the shielding piece, so that a certain prompt effect can be achieved for an operator, and the safety of the knob structure is improved.
The cooking utensil that this application embodiment provided adopts aforementioned can prevent to rotate excessive knob structure, can effectively prevent to lead to the condition that knob or gear switch pivot damaged because of rotating excessively, has improved cooking utensil's reliability and life, has improved user's use and has experienced.
Other features and advantages of the present application will be set forth in the description that follows.
Drawings
The accompanying drawings are included to provide a further understanding of the claimed subject matter and are incorporated in and constitute a part of this specification, illustrate embodiments of the subject matter and together with the description serve to explain the principles of the subject matter and not to limit the subject matter.
Fig. 1 is a first schematic structural diagram of a cooking appliance according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a cooking appliance in the embodiment of the present application;
FIG. 3 is an enlarged view of the structure of portion A of FIG. 2;
FIG. 4 is a first schematic view of a knob structure for preventing over-rotation according to an embodiment of the present disclosure;
FIG. 5 is a second schematic view (without a shielding plate) of the knob structure for preventing over-rotation in the embodiment of the present application;
FIG. 6 is a first schematic structural diagram of an inner dial of a knob according to an embodiment of the present application;
FIG. 7 is a second schematic structural view of an inner dial of a knob according to an embodiment of the present application;
fig. 8 is a schematic structural diagram of a knob housing according to an embodiment of the present application.
Illustration of the drawings:
1-gear switch, 11-rotating shaft, 2-knob shell, 21-clamping groove, 22-buckling position, 3-knob inner disc, 31-boss, 32-linkage groove, 33-fixing hole, 34-first anti-rotation structure, 35-positioning hole, 36-second anti-rotation structure, 37-guide groove, 4-elastic clamping piece, 5-shielding piece, 51-indication mark and 52-positioning column.
Detailed Description
To make the objects, technical solutions and advantages of the present application more apparent, embodiments of the present application will be described in detail below with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
The embodiment of the application provides a can prevent excessively rotated knob structure, as shown in fig. 1 to 8, the knob structure is used for linking to each other with gear switch 1, the knob structure includes knob shell 2, knob inner disc 3 and elastic clamping piece 4, knob inner disc 3 is connected and together rotates with gear switch 1, elastic clamping piece 4 sets up between knob shell 2 and knob inner disc 3, and knob shell 2 drives knob inner disc 3 through elastic clamping piece 4 and rotates, the elasticity of elastic clamping piece 4 is less than gear switch 1 and the 3 destroyed power of knob inner disc, gear switch 1 reachs limit position, the relative knob inner disc 3 of knob shell 2 rotates. The number of the elastic clamping pieces 4 can be one, and two or more elastic clamping pieces can also be arranged along the circumferential direction.
The clamping force (elasticity) of the elastic clamping piece 4 is smaller than the force for damaging the gear switch 1 and the knob inner disc 3, namely: when the knob is normally rotated, the knob shell 2 drives the knob inner disc 3 to rotate through the elastic clamping piece 4; after the gear switch 1 reaches the limit position, even if the knob shell 2 continues to be rotated, the knob inner disc 3 can not be driven to rotate, so that the knob shell 2 idles, and the knob or the rotating shaft 11 of the gear switch 1 can not be damaged due to excessive screwing of the knob shell 2.
In an exemplary embodiment, as shown in fig. 3 to 8, a locking groove 21 is provided on an inner circumferential surface of the knob housing 2, and a linkage groove 32 is provided on an outer circumferential surface of the knob inner disc 3; one end of the elastic clamping piece 4 is arranged in the clamping groove 21, and the other end of the elastic clamping piece is telescopically propped against the linkage groove 32; after the gear switch 1 reaches the limit position, when the knob shell 2 continues to rotate, the other end of the elastic clamping piece 4 is separated from the linkage groove 32, so that the knob inner disc 3 is not driven to rotate by the knob shell 2 and the elastic clamping piece 4.
4 one end of elastic clamping piece is installed in draw-in groove 21 of knob shell 2, and in the linkage groove 32 was gone into to the other end card, behind gear switch 1 reachd limiting position, when knob shell 2 continued to rotate, knob shell 2 together idled for 3 for the knob inner disc with elastic clamping piece 4, promptly: the other end of the elastic clamping piece 4 is separated from the linkage groove 32, and the elastic clamping piece 4 rotates relative to the linkage groove 32, so that the knob inner disc 3 is not driven to rotate by the knob shell 2 and the elastic clamping piece 4. The interlocking groove 32 may be provided for a full turn (i.e., 360 °), or may be provided only for a portion on the outer circumference of the knob inner disc 3 as needed.
In an exemplary embodiment, as shown in fig. 5 and 6, a boss 31 is provided on the knob inner disc 3, and the interlocking groove 32 (or the catching groove 21) is provided on an outer circumferential surface of the boss 31.
The boss 31 is arranged on the knob inner disc 3 and used for machining the linkage groove 32 (or the clamping groove 21), the arrangement mode of the linkage groove 32 (or the clamping groove 21) is simplified, the boss 31 is specially used for machining the linkage groove 32 or the clamping groove 21 on the outer circumference, the matching with the knob shell 2 is not required to be considered (the outer circumference of the knob inner disc 3 is matched with the inner wall of the knob shell 2), and the structure of the knob inner disc 3 is simplified. The knob inner disc 3 provided with the boss 31 is integrally T-shaped.
In an exemplary embodiment, as shown in fig. 6, a fixing hole 33 is further formed at a side of the knob inner disc 3 where the interlocking groove 32 or the locking groove 21 is formed, the rotating shaft 11 of the position switch 1 is inserted into the fixing hole 33, and a first rotation preventing structure 34 is formed in the fixing hole 33, so that the knob inner disc 3 and the position switch 1 rotate together.
Through set up first anti-rotation structure 34 in the fixed orifices 33 of knob inner disc 3, can realize relatively fixed between knob inner disc 3 and the gear switch 1, the two does not take place relative rotation, has simplified the structure of knob inner disc 3, has improved the reliability that knob inner disc 3 and gear switch 1 are connected. The first anti-rotation structure 34 may be a limit ramp, for example: the fixing hole 33 is a blind hole with a semicircular section, and the section of the rotating shaft 11 of the gear switch 1 is correspondingly semicircular.
In an exemplary embodiment, as shown in fig. 3 and 4, the knob structure further includes a shielding sheet 5, the shielding sheet 5 is provided with an indication mark 51, one end of the knob housing 2 away from the position switch 1 is an open structure, and the shielding sheet 5 is installed in the open structure and connected with the knob inner disc 3 and rotates together.
The shielding piece 5 is arranged at the opening of the knob shell 2 (one end far away from the gear switch 1), can shield the knob inner disc 3 arranged inside the knob shell 2, improves the integral aesthetic property of the knob structure, and simultaneously plays a certain protection role for the knob inner disc 3 arranged inside, thereby avoiding impurities such as external dust from entering the knob shell 2. The indication mark 51 is arranged on the shielding piece 5, which can play a certain prompting role for operators and improves the safety of the knob structure. The indicator 51 may be a pointer to indicate the gear position of the current position switch 1.
In an exemplary embodiment, as shown in fig. 7, a positioning hole 35 is disposed on a side of the knob inner disc 3 away from the fixing hole 33, a positioning post 52 is disposed on the shielding plate 5, the positioning post 52 is inserted into the positioning hole 35, and a second rotation-preventing structure 36 is disposed in the positioning hole 35, so that the shielding plate 5 and the knob inner disc 3 rotate together.
The second anti-rotation structure 36 may be a limit ramp, for example: the positioning hole 35 is a blind hole with a semicircular section, and the section of the positioning column 52 is correspondingly semicircular. Of course, the shielding plate 5 can also be fixed with the knob inner disc 3 by other connection modes and rotate together, such as: adhesive, screw connections, etc.
In an exemplary embodiment, a gap is provided between the shutter 5 and the knob housing 2.
A gap is arranged between the shielding piece 5 and the knob shell 2, so that when the shielding piece 5 rotates relative to the knob shell 2, friction cannot occur between the shielding piece 5 and the knob shell 2, abrasion of the shielding piece 5 and the knob shell 2 is avoided, and the service life of the knob structure is prolonged.
In an exemplary embodiment, as shown in fig. 6 to 8, a guide groove 37 is provided on the outer circumferential surface of the knob inner disc 3, a catch 22 is provided on the inner circumferential surface of the knob housing 2, and the catch 22 axially passes through the guide groove 37 to mount the knob inner disc 3 in the knob housing 2.
Through the cooperation mode of guide way 37 and knot position 22, install knob inner disc 3 in knob shell 2, the simple easy operation of mounting means. Of course, the knob inner disc 3 and the knob outer casing 2 may also adopt other connection modes, such as: screw connections, etc.
In an exemplary embodiment, the elastic clip 4 is a metal spring, and the end of the metal spring installed in the linking groove 32 is arc-shaped or conical.
The embodiment of the application also provides a cooking appliance, and the cooking appliance adopts the knob structure capable of preventing excessive rotation.
The cooking utensil that this application embodiment provided adopts aforementioned can prevent to rotate excessive knob structure, can effectively prevent because of the condition that excessively leads to knob or gear switch 1's pivot 11 to damage of rotation, has improved cooking utensil's reliability and life, has improved user's use and has experienced. The cooking appliance can be an electric pressure cooker, an electric cooker and the like.
Example two
The main differences between the embodiment of the present application and the first embodiment are as follows: the arrangement positions of the interlocking groove 32 and the card slot 21.
In an exemplary embodiment, the inner circumferential surface of the knob housing 2 is provided with a coupling groove 32, and the outer circumferential surface of the knob inner plate 3 is provided with a catching groove 21.
4 one end of elastic clamping piece is installed in the draw-in groove of knob inner disc 3, and in the linkage groove was gone into to the other end card, behind gear switch 1 reachd limiting position, when knob shell 2 continued to rotate, the elastic clamping piece 4 other end was deviate from the linkage groove, made knob inner disc 3 no longer driven by knob shell 2 and elastic clamping piece 4 and rotated. The interlocking groove may be provided as a full turn (i.e., 360 °) on the inner circumferential surface, or may be provided only as a portion on the inner circumference of the knob housing 2 as needed.
The present application includes and contemplates combinations of features and elements known to those of ordinary skill in the art. The embodiments, features and elements that have been disclosed in this application may also be combined with any conventional features or elements to form unique aspects as defined by the claims. Any feature or element of any embodiment may also be combined with features or elements from other aspects to form another unique aspect as defined by the claims. Thus, it should be understood that any of the features shown and/or discussed in this application may be implemented alone or in any suitable combination. Accordingly, the embodiments are not limited except as by the appended claims and their equivalents. Furthermore, various modifications and changes may be made within the scope of the appended claims.
Claims (10)
1. A knob structure capable of preventing over-rotation is used for being connected with a gear switch and is characterized by comprising a knob shell, a knob inner disc and an elastic clamping piece, wherein the knob inner disc is connected with the gear switch and rotates together with the gear switch, the elastic clamping piece is arranged between the knob shell and the knob inner disc, the knob shell drives the knob inner disc to rotate through the elastic clamping piece,
the elasticity of elasticity joint spare is less than gear switch with the destroyed power of knob inner disc, gear switch reaches limit position, the knob shell is relative the knob inner disc rotates.
2. The knob structure for preventing over-rotation according to claim 1, wherein a locking groove is formed on an inner circumferential surface of the knob housing, and a linkage groove is formed on an outer circumferential surface of the knob inner disc; or, the inner circumferential surface of the knob shell is provided with a linkage groove, the outer circumferential surface of the knob inner disc is provided with a clamping groove,
one end of the elastic clamping piece is arranged in the clamping groove, and the other end of the elastic clamping piece can be telescopically abutted in the linkage groove; after the gear switch reaches a limit position, when the knob shell continues to rotate, the other end of the elastic clamping piece is separated from the linkage groove, so that the knob inner disc is not driven to rotate by the knob shell and the elastic clamping piece any more.
3. The knob structure for preventing over-rotation according to claim 2, wherein a boss is provided on the knob inner disc, and the interlocking groove or the locking groove is provided on an outer circumferential surface of the boss.
4. The knob structure for preventing over-rotation according to claim 3, wherein a fixing hole is further formed at one side of the knob inner disc where the interlocking groove or the catching groove is formed, the rotating shaft of the position switch is inserted into the fixing hole,
and a first anti-rotation structure is arranged in the fixing hole, so that the knob inner disc and the gear switch rotate together.
5. The knob structure for preventing over-rotation according to claim 4, further comprising a shielding plate, wherein the shielding plate is provided with an indication mark,
the end, far away from the gear switch, of the knob shell is of an opening structure, and the shielding piece is installed in the opening structure and connected with the knob inner disc and rotates together with the knob inner disc.
6. The knob structure for preventing over-rotation according to claim 5, wherein a positioning hole is disposed on a side of the inner knob disc away from the fixing hole, a positioning post is disposed on the shielding plate, the positioning post is inserted into the positioning hole,
and a second anti-rotation structure is arranged in the positioning hole, so that the shielding piece and the knob inner disc rotate together.
7. The knob structure preventing over-rotation according to claim 6, wherein a gap is provided between the shielding plate and the knob housing.
8. The knob structure for preventing over-rotation according to any one of claims 1 to 7, wherein a guide groove is formed on an outer circumferential surface of the inner knob disk, and a locking portion is formed on an inner circumferential surface of the knob housing, the locking portion axially passing through the guide groove to mount the inner knob disk in the knob housing.
9. The knob structure of any one of claims 2 to 7, wherein the elastic clip is a metal spring, and the end of the metal spring installed in the linking groove is arc-shaped or conical.
10. A cooking appliance, characterized in that the knob structure for preventing over-rotation according to any one of claims 1 to 9 is used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022398943.8U CN214128183U (en) | 2020-10-26 | 2020-10-26 | Can prevent excessively rotatory knob structure and cooking utensil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022398943.8U CN214128183U (en) | 2020-10-26 | 2020-10-26 | Can prevent excessively rotatory knob structure and cooking utensil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214128183U true CN214128183U (en) | 2021-09-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022398943.8U Active CN214128183U (en) | 2020-10-26 | 2020-10-26 | Can prevent excessively rotatory knob structure and cooking utensil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214128183U (en) |
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2020
- 2020-10-26 CN CN202022398943.8U patent/CN214128183U/en active Active
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Effective date of registration: 20230811 Address after: Building 2, No. 52, 22nd Street, Baiyang Street, Qiantang New District, Hangzhou City, Zhejiang Province, 310000 Patentee after: Hangzhou Jiuchuang Home Appliances Co.,Ltd. Address before: 310018 No. 760 Yinhai Street, Xiasha Street, Hangzhou Economic and Technological Development Zone, Zhejiang Province Patentee before: HANGZHOU JIUYANG HOUSEHOLD ELECTRICAL APPLIANCES CO.,LTD. |