CN206059251U - Knob structure - Google Patents
Knob structure Download PDFInfo
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- CN206059251U CN206059251U CN201620908433.1U CN201620908433U CN206059251U CN 206059251 U CN206059251 U CN 206059251U CN 201620908433 U CN201620908433 U CN 201620908433U CN 206059251 U CN206059251 U CN 206059251U
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- case
- revolving part
- part body
- wall
- lid
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Abstract
Knob structure includes case and revolving part, the case is axially arranged with axial hole, the revolving part includes the revolving part body being rotatably installed in the axial hole of case, the waterproof seal of annular is provided between revolving part body and case, the outer wall of revolving part body is provided with the capillary groove coordinated with waterproof seal, the waterproof seal is sleeved on revolving part body and snaps in capillary groove, and the inwall interference fit with case.A kind of knob structure of this utility model offer, by the waterproof seal and the inwall interference fit of knob case that are installed in the capillary groove of revolving part body, is prevented effectively from quadric injection mould processing, convenient manufacture and installation, improve production efficiency and waterproof effect.
Description
Technical field
This utility model is related to Low Voltage Electrical Apparatus, and in particular to a kind of knob structure.
Background technology
Existing knob, its waterproof construction are arranged on the inner core part of knob, during manufacture assembling, are needed first by knob
Inner core injection mo(u)lding, then waterproof grommet is enclosed within inner core, the inner core for packaging sealing ring is carried out into quadric injection mould then.And this
Kind of knob structure is present needs secondary operations to be molded, and needs to package before second is molded sealing ring, manufacture process it is relatively complicated and
It is relatively costly.
Utility model content
The purpose of this utility model is the defect for overcoming prior art, there is provided a kind of manufacture and easy for installation and waterproof are imitated
Really good knob structure.
For achieving the above object, this utility model employs following technical scheme：
A kind of knob structure, including case 1 and revolving part 2, the case 1 are axially arranged with axial hole 10, the rotation
Part 2 includes the revolving part body 20 being rotatably installed in the axial hole 10 of case 1, between revolving part body 20 and case 1
The waterproof seal 21 of annular is provided with, the outer wall of revolving part body 20 is provided with the capillary groove 201 coordinated with waterproof seal 21,
The waterproof seal 21 is sleeved on revolving part body 20 and snaps in capillary groove 201, and the inwall interference fit with case 1.
Preferably, the waterproof seal 21 includes the sealing ring 211 that the capillary groove 201 with case 1 matches, described close
The outer wall of seal 211 is provided with the convex eaves 212 of waterproof, and the convex eaves of the waterproof 212 stretches out the inwall interference of capillary groove 201 and case 1
Coordinate.
Preferably, the convex eaves of the waterproof 212 is inclined on the outer wall of sealing ring 211 upward, the end of the convex eaves of waterproof 212
The outer wall of portion and sealing ring 211 is separately forming annular groove 213.
Preferably, the bottom of the revolving part body 20 is integrally formed with two cams 206 separately, the cam 206
Stretch in the axial hole 10 of case 1 and be located between two slide blocks 7, and the rotation for limiting revolving part 2 is engaged with two slide blocks 7,
Relative on the inwall of the case 1 to be provided with two chutes 14 coordinated with two slide blocks 7, two relative slide blocks 7 pass through respectively
Elastic connection between spring 8 and case 1, the spring 8 are mounted vertically between the inwall of slide block 7 and case 1, and spring 8
Two ends are connected on slide block 7 and case 1 respectively.
Preferably, the inwall top of the case 1 is provided with the holding tank 12 being connected with axial hole 10, for installing rotation
Part body 20, is arranged with two for limiting rotation and limits on the bottom surface of the lower annular protrusion 203 of the revolving part body 20
Position raised 204, is also arranged with two baffles 13 coordinated with two spacing preiections 204 on the diapire of the holding tank 12,
During installation, the lower annular protrusion 203 of revolving part body 20 is placed on two baffles 13, and two spacing preiections 204 are placed in
With two baffles 13 in same stratum on the diapire of holding tank 12.
Preferably, the bottom of the revolving part body 20 is provided with two arc convex being spaced apart by same circle
205, and the inwall of the outer wall of two arc convex 205 and same spacing preiection 204 attaches, can on the inwall of the case 1
Two limited blocks 9 being engaged with two arc convex 205 are removed and installed, two relative limited blocks 9 protrude from holding tank
12 diapire is connected with the inwall contact of two baffles 13 respectively；Two cams 206 are arcuate structure, are spaced apart by same
The interior side of arc convex 205, and one of cam 206 and 205 sequence of arc convex are located on one circle.
Preferably, the top of the case 1 is detachably provided with lid 3, and the outer wall of the revolving part body 20 is provided with
Upper annular protrusion 202 separately and lower annular protrusion 203, form between the upper annular protrusion 202 and lower annular protrusion 203
The capillary groove 201, upper annular protrusion 202 are concordant with the top of case 1, the cover plate of the lid 3 and the top of case 1 and rotation
Packing ring 4 is provided between the upper annular protrusion 202 for turning part body 20；The top with revolving part body 20 is provided with the middle part of the cover plate of lid 3
The through hole that end coordinates, the top surface of the revolving part body 20 are provided with the swing handle 22 of the through hole for passing lid 3.
Preferably, the packing ring 4 with the contact surface on the top of case 1 on be provided with multiple fixed lobes 40, the case 1
Top offer multiple fixing grooves 11 with 40 corresponding matching of multiple fixed lobes, packing ring 4 is installed on by fixed lobe 40
Realize being fixed in fixing groove 11 cover plate of lid 3 and the top of case 1 and revolving part body 20 upper annular protrusion 202 it
Between.
Preferably, each fixed lobe 40 includes symmetrical spaced two barbs 401, the both sides of each fixing groove 11
Wall is provided with the limit hook 110 coordinated with two barbs 401, and during installation, fixed lobe 40 is snapped in fixing groove 11, its both sides
Barb 401 hook the limit hook 110 on 11 two side of fixing groove.
Preferably, the lid 3 is threadedly coupled with case 1, the top outer wall of the case 1 be provided with lid 3
The first screw thread 17 that screw thread coordinates；It is set with the outer wall of the case 1 for supporting the supporting sleeve 5 of lid 3, case 1
The second screw thread 18 with the screw-internal thread fit of supporting sleeve 5, lid 3 and support set are provided with outer wall with 17 adjacent of the first screw thread
The gasket ring 6 being sleeved on the outer wall of case 1 is clamped between pipe 5.
Knob structure of the present utility model, by the waterproof seal that is installed in the capillary groove of revolving part body and knob
The inwall interference fit of case, is prevented effectively from quadric injection mould processing, convenient manufacture and installation, improve production efficiency and waterproof effect
Really.Additionally, cam and the setting that revolving part body is an entirety, compared to inner core and the split-type structural of revolving part, both letter
Change structure and manufacturing process, without the need for quadric injection mould, ensure the spinfunction of revolving part again, it is convenient to rotate.
Description of the drawings
Fig. 1 is the axonometric chart of knob structure of the present utility model；
Fig. 2 is the sectional view of knob structure of the present utility model；
Fig. 3 is the enlarged drawing of partial structurtes in Fig. 2 of the present utility model；
Fig. 4 is the top perspective view of revolving part of the present utility model；
Fig. 5 is the face upwarding stereogram of revolving part of the present utility model；
Fig. 6 is the schematic diagram of case inner structure of the present utility model；
Fig. 7 is the structural representation of case of the present utility model.
Specific embodiment
Below in conjunction with the embodiment that accompanying drawing 1 to 7 is given, being embodied as knob structure of the present utility model is further illustrated
Mode.Knob structure of the present utility model is not limited to the following description.
As shown in Figure 1-2, knob structure of the present utility model, including case 1 and revolving part 2, case 1 are axially arranged with axle
To hole 10, revolving part 2 includes the revolving part body 20 being rotatably installed in the axial hole 10 of case 1, revolving part body 20
The waterproof seal 21 of annular is provided between case 1, the outer wall of revolving part body 20 is provided with and is coordinated with waterproof seal 21
Capillary groove 201, waterproof seal 21 is sleeved on revolving part body 20 and snaps in capillary groove 201, and the inwall mistake with case 1
It is full of cooperation.By the waterproof seal that is installed in the capillary groove of revolving part body and the inwall interference fit of knob case, change
Become the installation site of waterproof seal, be prevented effectively from quadric injection mould processing, convenient manufacture and installation, improve production efficiency and waterproof
Effect.Moderate lubrication oils and fatss can be smeared in waterproof seal 21 and case 1 in assembling.
As shown in figure 3, the structure of waterproof seal of the present utility model, waterproof seal 21 is formed in one structure, bag
The sealing ring 211 matched with the capillary groove 201 of case 1 is included, the convex eaves 212 of waterproof on the outer wall of sealing ring 211, is integrally formed with, is prevented
The convex eaves of water 212 stretches out the inwall interference fit of capillary groove 201 and case 1.Further, the convex eaves of waterproof 212 is obliquely installed upward
On the outer wall of sealing ring 211, the end of the convex eaves of waterproof 212 and the outer wall of sealing ring 211 are separately forming annular groove
213.Rainwater is led into annular groove by the inclined setting of the convex eaves of waterproof, is prevented effectively from infringement of the rainwater to part in case,
Improve the waterproof effect and reliability of product.
As shown in figure 4, the integral structure of revolving part of the present utility model, the top surface of the revolving part body 20 of revolving part 2
On integrally formed with the axial hole 10 for stretching out case 1 swing handle 22, rotate for artificial operation revolving part 2, revolving part body 20
The hollow structure being formed in one with swing handle 22.Integrally formed setting, is simple to manufacture, and sound construction, connectionless gap, prevents
Water effect is good.
As Figure 1-5, the top of case 1 is detachably provided with lid 3, and the outer wall of revolving part body 20 is provided with alternate
Every upper annular protrusion 202 and lower annular protrusion 203, form capillary groove between upper annular protrusion 202 and lower annular protrusion 203
201, upper annular protrusion 202 is concordant with the top of case 1, the cover plate of lid 3 and the top of case 1 and revolving part body 20 it is upper
Packing ring 4 is provided between annular protrusion 202；The through hole with the top cooperation of revolving part body 20 is provided with the middle part of the cover plate of lid 3, i.e.,
Refer to the hole size of the end size less than cover plate 3 of revolving part body 20 so that revolving part body 20 can be revolved in the through hole of cover plate 3
Turn, the top surface of revolving part body 20 is provided with the swing handle 22 of the through hole for passing lid 3.The setting of packing ring, reduces and installs gap, carry
High waterproof effect.Specifically, packing ring 4 with the contact surface on the top of case 1 on to be provided with the equally distributed fixation in multiple intervals convex
40 are played, the top of case 1 offers the multiple fixing grooves 11 with 40 corresponding matching of multiple fixed lobes, packing ring 4 is convex by fixation
Play 40 and be installed on the upper annular that realization in fixing groove 11 is fixed on the cover plate of lid 3 and the top of case 1 and revolving part body 20
Between raised 202.Fixed lobe and the fastening type structure of fixing groove, realize being fixedly connected between packing ring and case, easy to assembly,
It is connected firmly.And, each fixed lobe 40 includes symmetrical spaced two barbs 401, the both sides of each fixing groove 11
Wall is provided with the limit hook 110 coordinated with two barbs 401, and during installation, fixed lobe 40 is snapped in fixing groove 11, its both sides
Barb 401 hook the limit hook 110 on 11 two side of fixing groove.During assembling, two barbs are extruded and can swing to middle,
Assembling is time saving and energy saving, and after assembling, barb and limit hook are mutually hooked realizes between packing ring and case the stably company of being firmly fixed
Connect, improve the convenience and reliability of assembling.
As illustrated in figs. 2-7, the fit structure of case inner structure of the present utility model and revolving part, the bottom of revolving part body 20
End is integrally formed with two cams 206 separately, and cam 206 is stretched into,
And the rotation for limiting revolving part 2 is engaged with two slide blocks 7, it is relative on the inwall of case 1 to be provided with two coordinated with two slide blocks 7
Individual chute 14, two relative slide blocks 7 pass through elastic connection between spring 8 and case 1 respectively, and spring 8 is mounted vertically in case 1
Inwall on limited impression 16 in be located between slide block 7 and the inwall of case 1, and the two ends of spring 8 are connected to slide block 7 respectively
On the catch 15 of case 1.Cam and the setting that revolving part body is an entirety, it is split type with revolving part compared to inner core
Structure, had both simplified structure and manufacturing process, without the need for quadric injection mould, ensured the spinfunction of revolving part again, convenient to rotate.Rotate rotation
Turn part 2, the inclined-plane with moving cam 206 is slidably matched with the inclined-plane of slide block 7, realize that slide block 7 moves up and down along chute 14.Additionally,
The inwall top of case 1 is provided with the holding tank 12 being connected with axial hole 10, for installing revolving part body 20, revolving part body
It is arranged with the bottom surface of 20 lower annular protrusion 203 for limiting two spacing preiections 204 for rotating, the diapire of holding tank 12
On be also arranged with two baffles 13 coordinated with two spacing preiections 204, during installation, the lower convex annular of revolving part body 20
Play 203 to be placed on two baffles 13, two spacing preiections 204 are placed on the diapire of holding tank 12 and two baffles 13
In same stratum.Two spacing preiections 204 are the symmetrical arc structure of two axial faces with regard to lower annular protrusion 203.And,
The bottom of revolving part body 20 is provided with two arc convex 205 being spaced apart by same circle, and two arc convex 205
Outer wall and same spacing preiection 204 inwall attach, be detachably provided with the inwall of case 1 and two arc convex
205 two limited blocks 9 being engaged, two relative limited blocks 9 protrude from the diapire of holding tank 12 respectively with two baffles
13 inwall contact connection；Two cams 206 are arcuate structure, are spaced apart by same circle positioned at arc convex 205
Interior side, and one of cam 206 and 205 sequence of arc convex.Limited block 9 is vertically to be inserted into the interior of case 1
T-type structure on wall.
When case 1 does not assemble limited block 9, revolving part 2 is coordinated with the baffle 13 on case 1 by spacing preiection 204,
Make the incline apex of cam 206 just fall into the groove of slide block 7, realize the spin locking function of knob, while limiting revolving part 2
Rotational angle；When two limited blocks 9 of assembling in case 1, revolving part 2 is matched somebody with somebody with two limited blocks 9 by arc convex 205
Close, the appropriate rotational angle for reducing revolving part 2 prevents the incline apex of cam 206 from falling in the groove of slide block 7, revolving part 2
When suffered external force is cancelled, 8 elastic reset of spring, and the inclined-plane band moving cam 206 by cam 206 are received by slide block 7, realize rotation
The function of resetting after button rotation.When only a limited block 9 is assembled in case 1, with reference to above two fit system, knob can be real
Monolateral (left or right) locking, the function that monolateral (right or left) resets are rotated now.
As shown in Fig. 1,2 and Fig. 7, case external structure of the present utility model, lid 3 are threadedly coupled with case 1, case 1
Top outer wall is provided with the first screw thread 17 with the screw-internal thread fit of lid 3；It is set with the outer wall of case 1 for supporting lid
3 supporting sleeve 5.Case 1 is the cylindrical structure with axial hole 10, the top external diameter of case 1 more than the bottom of case 1 outside
Footpath, the external diameter size difference on the top and bottom of case 1 form annular table terrace, adjacent with the first screw thread 17 on the outer wall of case 1
Place is provided with the second screw thread 18 with the screw-internal thread fit of supporting sleeve 5, is clamped with and is sleeved on cover between lid 3 and supporting sleeve 5
Gasket ring 6 on the outer wall of shell 1, the radial dimension of gasket ring 6 are identical with the radial dimension of lid 3, and the top surface of gasket ring 6 and lid 3
Abut with annular table terrace, bottom surface is abutted with supporting sleeve 5.Without radial clearance, compactness is good, easy accessibility.
Above content is with reference to specific preferred implementation further detailed description of the utility model, it is impossible to
Identification is of the present utility model to be embodied as being confined to these explanations.For the ordinary skill of this utility model art
For personnel, without departing from the concept of the premise utility, some simple deduction or replace can also be made, should be all regarded
To belong to protection domain of the present utility model.
Claims (10)
1. a kind of knob structure, it is characterised in that：Including case (1) and revolving part (2), the case (1) is axially arranged with axle
To hole (10), the revolving part (2) is including the revolving part body being rotatably installed in the axial hole (10) of case (1)
(20) waterproof seal (21) of annular, the outer wall of revolving part body (20), are provided between revolving part body (20) and case (1)
The capillary groove (201) coordinated with waterproof seal (21) is provided with, the waterproof seal (21) is sleeved on revolving part body
(20) snap in capillary groove (201), and the inwall interference fit with case (1).
2. knob structure according to claim 1, it is characterised in that：The waterproof seal (21) includes and case (1)
The sealing ring (211) that matches of capillary groove (201), the outer wall of the sealing ring (211) is provided with the convex eaves of waterproof (212), institute
State the inwall interference fit that the convex eaves of waterproof (212) stretches out capillary groove (201) and case (1).
3. knob structure according to claim 2, it is characterised in that：The convex eaves (212) of the waterproof is inclined at upward
On the outer wall of sealing ring (211), the end of the convex eaves of waterproof (212) is separately recessed to form annular with the outer wall of sealing ring (211)
Groove (213).
4. knob structure according to claim 1, it is characterised in that：The bottom of the revolving part body (20) is integrally formed with
Two cams (206) separately, the cam (206) stretch in the axial hole (10) of case (1) positioned at two slide blocks (7) it
Between, and the rotation for limiting revolving part (2) is engaged with two slide blocks (7), it is relative on the inwall of the case (1) to be provided with and two
Two chutes (14) that slide block (7) coordinates, two relative slide blocks (7) pass through elasticity between spring (8) and case (1) respectively and connect
Connect, the spring (8) is mounted vertically between the inwall of slide block (7) and case (1), and the two ends of spring (8) are connected to respectively
On slide block (7) and case (1).
5. knob structure according to claim 4, it is characterised in that：The inwall top of the case (1) is provided with and axial direction
The holding tank (12) that hole (10) is connected, for installing revolving part body (20), the lower convex annular of the revolving part body (20)
It is arranged with the bottom surface for playing (203) for limiting two spacing preiections (204) for rotating, on the diapire of the holding tank (12)
Also two baffles (13) coordinated with two spacing preiections (204), during installation, the lower ring of revolving part body (20) are arranged with
Shape projection (203) is placed on two baffles (13), two spacing preiections (204) be placed on the diapire of holding tank (12) with
Two baffles (13) are in same stratum.
6. knob structure according to claim 5, it is characterised in that：The bottom of the revolving part body (20) is provided with alternate
Every two arc convex (205) being arranged on same circle, and the outer wall of two arc convex (205) and same spacing preiection
(204) inwall is attached, and two be engaged with two arc convex (205) are detachably provided with the inwall of the case (1)
Individual limited block (9), the diapire that two relative limited blocks (9) protrude from holding tank (12) are interior with two baffles (13) respectively
Wall contact connection；Two cams (206) are arcuate structure, are spaced apart by same circle positioned at the interior of arc convex (205)
Side, and one of cam (206) and arc convex (205) sequence.
7. knob structure according to claim 1, it is characterised in that：The top of the case (1) is detachably provided with lid
Body (3), the outer wall of the revolving part body (20) are provided with upper annular protrusion (202) separately and lower annular protrusion (203),
Form the capillary groove (201) between the upper annular protrusion (202) and lower annular protrusion (203), upper annular protrusion (202) with
The top of case (1) is concordant, the upper convex annular of the cover plate of the lid (3) and the top of case (1) and revolving part body (20)
Rise packing ring (4) is provided between (202)；The through hole with the top cooperation of revolving part body (20) is provided with the middle part of the cover plate of lid (3),
The top surface of the revolving part body (20) is provided with the swing handle (22) of the through hole for passing lid (3).
8. knob structure according to claim 7, it is characterised in that：The packing ring (4) is being connect with the top of case (1)
Contacting surface is provided with multiple fixed lobes (40), and the top of the case (1) offers and multiple fixed lobes (40) corresponding matching
Multiple fixing grooves (11), packing ring (4) is installed in fixing groove (11) by fixed lobe (40) and realizes being fixed on lid (3)
Between the upper annular protrusion (202) on the top and revolving part body (20) of cover plate and case (1).
9. knob structure according to claim 8, it is characterised in that：Each fixed lobe (40) is including symmetrical interval setting
Two barbs (401), the two side of each fixing groove (11) is provided with the limit hook coordinated with two barbs (401)
(110), during installation, fixed lobe (40) is snapped in fixing groove (11), and the barb (401) of its both sides hooks fixing groove (11) both sides
Limit hook (110) on wall.
10. knob structure according to claim 7, it is characterised in that：The lid (3) is threadedly coupled with case (1), institute
The top outer wall for stating case (1) is provided with the first screw thread (17) with the screw-internal thread fit of lid (3)；Outside the case (1)
It is set with wall for supporting the supporting sleeve (5) of lid (3), sets with the first screw thread (17) adjacent on the outer wall of case (1)
There is the second screw thread (18) with the screw-internal thread fit of supporting sleeve (5), between lid (3) and supporting sleeve (5), be clamped with suit
Gasket ring (6) on the outer wall of case (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620908433.1U CN206059251U (en) | 2016-08-19 | 2016-08-19 | Knob structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620908433.1U CN206059251U (en) | 2016-08-19 | 2016-08-19 | Knob structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206059251U true CN206059251U (en) | 2017-03-29 |
Family
ID=58383750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620908433.1U Active CN206059251U (en) | 2016-08-19 | 2016-08-19 | Knob structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206059251U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108172442A (en) * | 2017-12-29 | 2018-06-15 | 宁波速普电子有限公司 | A kind of electrical control rotary switch |
| CN109084135A (en) * | 2018-09-30 | 2018-12-25 | 广东富图宝影像工业有限公司 | A kind of holder locking adjustment structure |
| CN109511241A (en) * | 2017-09-15 | 2019-03-22 | 施耐德电器工业公司 | Sealing device for human-computer dialogue element |
| CN114334518A (en) * | 2022-01-05 | 2022-04-12 | 浙江天正电气股份有限公司 | Waterproof construction and rotary switch |
-
2016
- 2016-08-19 CN CN201620908433.1U patent/CN206059251U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109511241A (en) * | 2017-09-15 | 2019-03-22 | 施耐德电器工业公司 | Sealing device for human-computer dialogue element |
| CN109511241B (en) * | 2017-09-15 | 2021-07-16 | 施耐德电器工业公司 | Sealing device for a human-machine interaction element |
| CN108172442A (en) * | 2017-12-29 | 2018-06-15 | 宁波速普电子有限公司 | A kind of electrical control rotary switch |
| CN108172442B (en) * | 2017-12-29 | 2024-04-30 | 宁波速普电子有限公司 | Electrical control knob switch |
| CN109084135A (en) * | 2018-09-30 | 2018-12-25 | 广东富图宝影像工业有限公司 | A kind of holder locking adjustment structure |
| CN109084135B (en) * | 2018-09-30 | 2024-05-03 | 广东富图宝影像工业有限公司 | Tripod head locking adjusting structure |
| CN114334518A (en) * | 2022-01-05 | 2022-04-12 | 浙江天正电气股份有限公司 | Waterproof construction and rotary switch |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: NOARK ELECTRICS (SHANGHAI) Co.,Ltd. Assignor: Zhejiang Chint Electrics Co.,Ltd. Contract record no.: X2020330000028 Denomination of utility model: Knob structure of microwave oven control part Granted publication date: 20170329 License type: Common License Record date: 20200430 |