CN112440666A - Air conditioner controller structure with gear pin slot exhaust port - Google Patents
Air conditioner controller structure with gear pin slot exhaust port Download PDFInfo
- Publication number
- CN112440666A CN112440666A CN202011239991.0A CN202011239991A CN112440666A CN 112440666 A CN112440666 A CN 112440666A CN 202011239991 A CN202011239991 A CN 202011239991A CN 112440666 A CN112440666 A CN 112440666A
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- gear
- knob
- groove
- pin
- gear pin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/0065—Control members, e.g. levers or knobs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
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- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Control Devices (AREA)
Abstract
The invention provides an air conditioner controller structure with a gear pin groove exhaust port, which aims to overcome the technical problems that a sealed environment is formed in a structure of assembling a gear pin in a gear pin groove of a knob in the prior art, and the torque of the knob is inaccurate due to the air pressure of the sealed environment. The gas vent makes the inside and outside atmospheric pressure of knob gear cotter way assembly gear round pin position equal in this application to make the moment of torsion degree of accuracy of knob maintain normally.
Description
Technical Field
The invention relates to the technical field of air conditioner controllers, in particular to an air conditioner controller structure with a gear pin slot exhaust port.
Background
Chinese patent application No. CN201520198360.7 discloses a knob control device for an automotive air conditioner, which includes a circuit board, wherein the circuit board is provided with a gear base mounting hole and a spring pin mounting hole, and the gear base mounting hole is fixedly connected with a gear base above the circuit board by a fastener passing through the gear base mounting hole; the gear base comprises an upper base and a lower base which are fixedly connected in a step shape, the lower base and the upper base are of an annular structure with the same inner diameter and different outer diameters, the upper base and the lower base are concentric, lugs are arranged on the upper portion of the upper base at intervals along the circumferential direction, a spring pin sleeve matched with a spring pin mounting hole is arranged at the edge of the lower base, the spring pin sleeve is inserted into the spring pin mounting hole and is cylindrical, the top end of the spring pin sleeve is open, the top end of the spring pin sleeve is flush with the upper surface of the lower base, and grooves are uniformly formed in the lower portion of the inner wall of the lower base along the circumferential direction; the gear pin comprises a cylinder, the top end of the cylinder is provided with a hemisphere with the same diameter as the cylinder, the bottom of the cylinder is provided with a groove, the gear pin is embedded into the spring pin sleeve, and a spring is embedded in a cavity formed by the groove in the bottom of the cylinder and the spring pin sleeve; the outer part of the upper base is sleeved with a rotary gear body, the pressing piece penetrates through the rotary gear body to be connected with the gear base, and the outer part of the rotary gear body is sleeved with a shell.
In the prior art represented by the above patent, the positions of the knob gear pin groove for assembling the gear pin and the spring are not provided with exhaust ports, the unilateral gap between the gear pin and the gear pin groove is 0.02mm, a layer of lubricating grease is required to be coated on the outer surface of the gear pin in actual production, a sealed environment is formed in the structure for assembling the gear pin in the knob gear pin groove due to the fact that the gap between two parts is small and the effect of the grease on the periphery of the gear pin is added, and the torque of the knob is inaccurate (represented as the movement delay of the gear pin) due to the air pressure of the sealed environment.
Disclosure of Invention
The invention provides an air conditioner controller structure with a gear pin groove exhaust port, aiming at overcoming the technical problems that a sealed environment is formed in a structure for assembling a gear pin in the gear pin groove of a knob in the prior art, and the torque of the knob is inaccurate due to the air pressure of the sealed environment.
In order to achieve the above object, the present invention adopts the following technical solutions.
The utility model provides an air conditioner controller structure with gear cotter way gas vent, which comprises a base, it is connected with the knob subassembly to rotate on the base, the base is including the cover body, the open end of the cover body can be dismantled and be connected with the panel, one side that the cover body was kept away from to the panel is equipped with the mounting groove that is used for installing the knob subassembly, the knob subassembly includes knob and knob base member, be equipped with knob gear cotter way on the knob base member, the gear round pin is equipped with in the knob gear cotter way, be equipped with the elastic component in the gear round pin, the elastic component is kept away from the one end of panel and the tank bottom butt in knob gear cotter way, be equipped with the. Among the air conditioner controller, the unilateral clearance between gear round pin and the knob gear cotter way is less, and the gear round pin outside has the one deck lubricating grease that often coats in actual production, because two part clearances are very little soon, simultaneously including the peripheral grease of gear round pin to the separation of air current, lead to forming a sealed environment in the structure of knob gear cotter way assembly gear round pin, the moment of torsion of knob can be caused to this sealed environment's atmospheric pressure inaccurate. The application provides an air conditioner controller structure with gear cotter way gas vent is equipped with the gas vent on the tank bottom of knob gear cotter way, and the gas vent is with inside and the external environment intercommunication of knob gear cotter way to with the gaseous discharge in the above-mentioned sealed environment, knob gear cotter way is inside balanced with outside atmospheric pressure, and then avoids atmospheric pressure to cause the controller knob moment of torsion inaccurate.
Preferably, be equipped with the erection column in the mounting groove, the one end that the cover body was kept away from to the erection column can be dismantled and be connected with the button, and the knob subassembly is located between panel and the button, and the one end that the cover body was kept away from to the erection column protrusion panel. The integration of the key and the knob assembly is realized through the arrangement of the mounting columns, the structure is compact while the function of the controller is not influenced, and the occupied space is small.
Preferably, the knob base body comprises an installation section and a rotary gear shaft along the axial direction of the knob base body, the rotary gear shaft is located at one end, close to the base body, of the installation section, the knob gear pin groove is formed in the peripheral surface of the rotary gear shaft, the notch of the knob gear pin groove faces the cover body, and the air exhaust port penetrates through the groove bottom of the knob gear pin groove along the axial direction of the knob base body.
Preferably, the gear pin is provided with an insertion groove, the elastic piece is positioned in the insertion groove, the stress direction of the elastic piece is along the axial direction of the knob base body, the section of the gear pin is U-shaped, and one end of the gear pin, which is close to the cover body, is abutted against the groove bottom of the mounting groove. Above-mentioned technical scheme is injectd the structure of knob base member, is equipped with the elastic component between gear round pin and the knob gear cotter way, the one end and the gear round pin internal face butt of elastic component, the other end of elastic component and the tank bottom butt of knob gear cotter way, gear round pin realizes controlling along gear cotter way axial reciprocating motion.
Preferably, a circuit board is arranged between the panel and the cover body, a clamping groove is formed in the cover body, and a clamping block matched with the clamping groove is arranged on the end face, far away from the panel, of the circuit board. The circuit board and the cover body form detachable connection through the matching of the clamping block and the clamping groove, the dismounting operation convenience of the circuit board is higher, and the maintenance and the replacement are easy.
Preferably, the number of the mounting grooves is two, the mounting grooves are arranged at intervals along the length direction of the panel, two connecting lug plates are respectively arranged at two ends of the panel along the length direction of the panel, and mounting holes are formed in the connecting lug plates. The connection ear plate is used for realizing the overall installation of the air conditioner controller, and the purpose of the symmetrical arrangement of the connection ear plate is to improve the overall installation stability of the controller.
Preferably, the mounting post is connected with the key through a buckle.
Preferably, the elastic member is a spring.
Preferably, the peripheral surface of the gear pin is provided with a plurality of annular grooves which are arranged at intervals along the length direction of the gear pin, and the section of each annular groove is in a right-angled trapezoid shape. When no exhaust port is formed at the bottom of the knob gear pin groove, the knob gear pin groove and the inserting groove on the gear pin are matched to form a sealed environment under the combined action of a small gap and lubricating grease, the lubricating grease is in a low-flow state due to the influence of pressure difference, and the lubricating grease can be well kept in the small gap, so that effective lubrication on the gear pin is formed; and when adding and establishing the gas vent, knob gear cotter way inside is balanced with the atmospheric pressure of external environment, and the mobility of lubricating grease promotes, and it is extremely unbalanced to use lubricating grease after a period along gear round pin axial distribution, and the lubricating grease of top is less and the lubricating grease of below is more, and is relatively poor to the lubricated effect of gear round pin. In order to overcome the technical problem, the long-time maintenance of uniform distribution of lubricating grease is realized under the condition of arranging the exhaust port, the annular groove is formed in the circumferential surface of the gear pin, the number of the annular grooves is a plurality of and is arranged at the middle upper part of the gear pin, the lubricating grease is filled in the annular groove after being filled, the lubricating grease is stored and maintained by the annular groove, the lubricating grease is gradually released by traction of small gaps in the moving process of the gear pin so as to realize long-time good lubrication, the annular groove is not required to be formed in the circumferential surface of the lower part of the gear pin, and the lubricating grease flowing out of the annular groove in the middle upper part can be well lubricated after going downwards.
Preferably, the annular groove comprises a large end and a small end along the radial direction of the gear pin, the small end is close to the groove wall of the knob gear pin groove, the annular groove comprises a straight groove wall and a skewed groove wall along the axial direction of the gear pin, and the skewed groove wall is located on one side, far away from the exhaust port, of the straight groove wall. The purpose of above-mentioned design is that for realizing the long-time good maintenance of lubricating grease, the chute wall is stored lubricating grease, and the tip of ring channel is the open end, and when the lubricating grease volume between gear round pin and the knob gear round pin groove descends, based on diffusion and infiltration principle, lubricating grease in the ring channel can migrate to in the little clearance, realizes the real-time replenishment of lubricating grease promptly.
In conclusion, the invention has the following beneficial effects: (1) the exhaust port communicates the interior of the knob gear pin groove with the external environment, so that gas in a sealed environment is exhausted, and inaccurate torque of the controller knob caused by air pressure is avoided; (2) the integration of the key and the knob assembly is realized through the arrangement of the mounting columns, the structure is compact while the function of the controller is not influenced, and the occupied space is small; (3) the annular groove stores and maintains lubricating grease, and the lubricating grease is gradually released through traction of a small gap in the moving process of the gear pin, so that long-time good lubrication can be realized; (4) when the lubricating grease amount between the gear pin and the knob gear pin groove is reduced, the lubricating grease in the annular groove can migrate to the small gap based on the diffusion and permeation principles, and therefore real-time supplement of the lubricating grease is achieved.
Drawings
Fig. 1 is a top view of the present invention.
Fig. 2 is a sectional view taken along a-a in fig. 1.
Fig. 3 is an exploded view of the present invention.
Fig. 4 is a sectional view of the shift pin in embodiment 2.
In the figure:
the cover body 1, panel 2, mounting groove 3, knob 4, knob base member 5, installation section 501, rotatory gear shaft 502, knob gear cotter way 6, gear cotter 7, inserting groove 701, elastic component 8, gas vent 9, erection column 10, button 11, circuit board 12, engaging lug 13, ring channel 14.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
as shown in fig. 1 to 3, an air conditioner controller structure with a gear pin slot vent comprises a base, a knob assembly is rotatably connected to the base, the base comprises a cover body 1, a panel 2 is detachably connected to an open end of the cover body, a mounting groove 3 for mounting the knob assembly is arranged on one side, away from the cover body, of the panel, the knob assembly comprises a knob 4 and a knob base body 5, a knob gear pin slot 6 is arranged on the knob base body, a gear pin 7 is arranged in the knob gear pin slot, an elastic part 8 is arranged in the gear pin, one end, away from the panel, of the elastic part is abutted to the bottom of the knob gear pin slot, and a vent 9 for communicating the knob gear pin slot with an external environment is arranged on the bottom of the knob gear pin slot; an installation column 10 is arranged in the installation groove, one end of the installation column, which is far away from the cover body, is detachably connected with a key 11, the knob assembly is positioned between the panel and the key, and the installation column protrudes out of one end of the panel, which is far away from the cover body; the knob base body comprises an installation section 501 and a rotary gear shaft 502 along the axial direction of the knob base body, the rotary gear shaft is located at one end, close to the base body, of the installation section, the knob gear pin groove is formed in the peripheral surface of the rotary gear shaft, the notch of the knob gear pin groove faces the cover body, and the air exhaust port penetrates through the groove bottom of the knob gear pin groove along the axial direction of the knob base body; an inserting groove 701 is formed in the gear pin, the elastic piece is located in the inserting groove, the stress direction of the elastic piece is along the axial direction of the knob base body, the section of the gear pin is U-shaped, and one end, close to the cover body, of the gear pin is abutted to the bottom of the installing groove; a circuit board 12 is arranged between the panel and the cover body, a clamping groove is arranged on the cover body, and a clamping block matched with the clamping groove is arranged on the end face of the circuit board far away from the panel; the number of the mounting grooves is two, the mounting grooves are arranged at intervals along the length direction of the panel, two connecting lug plates 13 are respectively arranged at two ends of the panel along the length direction of the panel, and mounting holes are formed in the connecting lug plates; the mounting column is connected with the key through a buckle; the elastic piece is a spring.
As shown in fig. 3, the button assembly, the knob assembly, the panel assembly and the cover body are sequentially arranged from top to bottom, the knob assembly comprises a knob and a knob base body, the knob base body comprises an installation section and a rotating gear shaft from top to bottom, a knob gear pin groove is arranged on the circumferential surface of the rotating gear shaft, the length direction of the knob gear pin groove is consistent with that of the rotating gear shaft, a notch of the knob gear pin groove faces downwards, an air outlet is formed in the groove bottom of the knob gear pin groove, and the air outlet penetrates through the groove bottom of the knob gear pin groove along the axial direction of the knob gear pin. As can be seen from fig. 2, a gear pin is installed in the gear pin groove of the knob, the main body of the gear pin is in an annular column shape, the lower end of the gear pin is in a hemispherical shape, the cross section of the gear pin is in a U shape, an insertion groove is installed on the gear pin, an elastic part is installed in the insertion groove, one end of the elastic part abuts against the bottom of the inner groove of the gear pin groove of the knob, the other end of the elastic part abuts against the bottom of the inner groove of the insertion groove, the lower end of the gear pin abuts against the panel, a sinking groove matched with the gear pin is formed in the panel, and the lower end of the gear pin abuts against the bottom.
Example 2:
the structure of the air conditioner controller in this embodiment is substantially the same as that of embodiment 1, except that, as shown in fig. 4, annular grooves 14 are provided on the outer peripheral surface of the shift pin, the number of the annular grooves is several, and the annular grooves are arranged at intervals along the length direction of the shift pin, and the section of the annular groove is in a right trapezoid shape. When no exhaust port is formed at the bottom of the knob gear pin groove, the knob gear pin groove and the inserting groove on the gear pin are matched to form a sealed environment under the combined action of a small gap and lubricating grease, the lubricating grease is in a low-flow state due to the influence of pressure difference, and the lubricating grease can be well kept in the small gap, so that effective lubrication on the gear pin is formed; and when adding and establishing the gas vent, knob gear cotter way inside is balanced with the atmospheric pressure of external environment, and the mobility of lubricating grease promotes, and it is extremely unbalanced to use lubricating grease after a period along gear round pin axial distribution, and the lubricating grease of top is less and the lubricating grease of below is more, and is relatively poor to the lubricated effect of gear round pin. In order to overcome the technical problem, the long-time maintenance of uniform distribution of lubricating grease is realized under the condition of arranging the exhaust port, the annular groove is formed in the circumferential surface of the gear pin, the number of the annular grooves is a plurality of and is arranged at the middle upper part of the gear pin, the lubricating grease is filled in the annular groove after being filled, the lubricating grease is stored and maintained by the annular groove, the lubricating grease is gradually released by traction of small gaps in the moving process of the gear pin so as to realize long-time good lubrication, the annular groove is not required to be formed in the circumferential surface of the lower part of the gear pin, and the lubricating grease flowing out of the annular groove in the middle upper part can be well lubricated after going downwards. Further, for realizing the long-time good maintenance of lubricating grease, the ring channel radially includes main aspects and tip along the gear round pin, the tip is close to the cell wall of knob gear cotter way, the ring channel includes straight cell wall and chute wall along the axial of gear round pin, the chute wall is located one side that the gas vent was kept away from to straight cell wall, the chute wall is stored lubricating grease, the tip of ring channel is the open end, when lubricating grease volume between gear round pin and the knob gear cotter way descends, based on diffusion and infiltration principle, lubricating grease in the ring channel can migrate to the minigap, realize the real-time replenishment of lubricating grease promptly.
Claims (10)
1. The utility model provides an air conditioner controller structure with gear cotter way gas vent, a serial communication port, which comprises a base, it is connected with the knob subassembly to rotate on the base, the base is including the cover body, the open end of the cover body can be dismantled and be connected with the panel, one side that the cover body was kept away from to the panel is equipped with the mounting groove that is used for installing the knob subassembly, the knob subassembly includes knob and knob base member, be equipped with knob gear cotter way on the knob base member, be equipped with the gear round pin in the knob gear cotter way, be equipped with the elastic component in the gear round pin, the elastic component is kept away from the one end of panel and the tank bottom butt in knob gear cotter way, be equipped with.
2. The structure of an air conditioner controller with an exhaust port of a gear pin slot as claimed in claim 1, wherein a mounting post is disposed in the mounting groove, a button is detachably connected to one end of the mounting post away from the housing, the knob assembly is disposed between the panel and the button, and the mounting post protrudes out of one end of the panel away from the housing.
3. The air conditioner controller structure with the gear pin groove air vent according to claim 1, wherein the knob base body comprises a mounting section and a rotary gear shaft along an axial direction of the knob base body, the rotary gear shaft is located at one end of the mounting section close to the base body, the knob gear pin groove is arranged on the periphery of the rotary gear shaft, a notch of the knob gear pin groove faces the cover body, and the air vent penetrates through a groove bottom of the knob gear pin groove along the axial direction of the knob base body.
4. The air conditioner controller structure with the exhaust port of the gear pin groove as claimed in claim 1, wherein an insertion groove is formed in the gear pin, the elastic member is located in the insertion groove, the stress direction of the elastic member is along the axial direction of the knob base body, the section of the gear pin is U-shaped, and one end of the gear pin, which is close to the cover body, abuts against the groove bottom of the installation groove.
5. The structure of the air conditioner controller with the gear pin slot air outlet as claimed in claim 1, 2, 3 or 4, wherein a circuit board is arranged between the panel and the cover body, the cover body is provided with a clamping slot, and the end surface of the circuit board far away from the panel is provided with a clamping block matched with the clamping slot.
6. The structure of an air conditioner controller with a gear pin slot exhaust port as claimed in claim 2, 3 or 4, wherein the number of the mounting slots is two and the mounting slots are arranged at intervals along the length direction of the panel, the panel is provided with a connecting ear plate at each end along the length direction, and the connecting ear plate is provided with a mounting hole.
7. The air conditioner controller structure with notch exhaust port of claim 2, wherein the mounting post is connected to the key via a snap.
8. An air conditioner controller structure with notch vent of gear position according to claim 1 or 2, characterized in that the elastic member is a spring.
9. The structure of an air conditioner controller with a gear pin slot exhaust port as claimed in claim 1, 2, 3 or 4, wherein the gear pin is provided with a plurality of annular slots on its outer circumferential surface, the annular slots are arranged at intervals along the length direction of the gear pin, and the cross section of each annular slot is in a right trapezoid shape.
10. The air conditioner controller structure with a shift position pin slot vent of claim 9, wherein the annular groove includes a large end and a small end in a radial direction of the shift position pin, the small end being adjacent to a groove wall of the knob shift position pin slot, the annular groove includes a straight groove wall and a slanted groove wall in an axial direction of the shift position pin, the slanted groove wall being located on a side of the straight groove wall away from the vent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011239991.0A CN112440666A (en) | 2020-11-09 | 2020-11-09 | Air conditioner controller structure with gear pin slot exhaust port |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011239991.0A CN112440666A (en) | 2020-11-09 | 2020-11-09 | Air conditioner controller structure with gear pin slot exhaust port |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112440666A true CN112440666A (en) | 2021-03-05 |
Family
ID=74736247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011239991.0A Pending CN112440666A (en) | 2020-11-09 | 2020-11-09 | Air conditioner controller structure with gear pin slot exhaust port |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112440666A (en) |
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| CN103574014A (en) * | 2013-11-19 | 2014-02-12 | 中国重汽集团济南动力有限公司 | Gear-shifting protecting device |
| CN203871241U (en) * | 2014-05-30 | 2014-10-08 | 黄山市瑞兴汽车电子有限公司 | Automobile gear knob switch |
| CN204595667U (en) * | 2015-04-03 | 2015-08-26 | 陕西德仕奥联汽车电子电器有限责任公司 | A kind of air conditioning for automobiles knob actuation means |
| CN105179686A (en) * | 2015-09-29 | 2015-12-23 | 陕西法士特齿轮有限责任公司 | Gear locking mechanism, speed changer gear shifting protecting mechanism based on gear locking mechanism and work method |
| CN205282350U (en) * | 2015-11-03 | 2016-06-01 | 江苏超力电器有限公司 | Air conditioner controller knob switch structure based on adjustable potentiometre |
| CN205350076U (en) * | 2015-12-24 | 2016-06-29 | 马钢(集团)控股有限公司 | Railway freight car bogie brake beam self -lubricating support bearings |
| CN207380599U (en) * | 2017-11-10 | 2018-05-18 | 宁波奇亚电控科技有限公司 | A kind of manual knob structure for air conditioning for automobiles |
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2020
- 2020-11-09 CN CN202011239991.0A patent/CN112440666A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020023683A1 (en) * | 2000-08-16 | 2002-02-28 | Hope Rodney C. | Regulator with segmented body |
| JP2005092304A (en) * | 2003-09-12 | 2005-04-07 | Asti Corp | Operating member unit |
| CN201554867U (en) * | 2009-12-16 | 2010-08-18 | 西安新竹防灾救生设备有限公司 | Automatic resetting selection valve |
| CN201787697U (en) * | 2010-07-12 | 2011-04-06 | 杭州富阳恒泰汽车电器有限公司 | Automobile air-conditioner control panel knob gear pin |
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| CN205282350U (en) * | 2015-11-03 | 2016-06-01 | 江苏超力电器有限公司 | Air conditioner controller knob switch structure based on adjustable potentiometre |
| CN205350076U (en) * | 2015-12-24 | 2016-06-29 | 马钢(集团)控股有限公司 | Railway freight car bogie brake beam self -lubricating support bearings |
| CN207380599U (en) * | 2017-11-10 | 2018-05-18 | 宁波奇亚电控科技有限公司 | A kind of manual knob structure for air conditioning for automobiles |
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Application publication date: 20210305 |