Mode disc
By using a combined structure of movable rod and spring in the mode disk, the positioning connection between the lever and the mode disk is solved, the problem of slippage after long-term use is improved, the control accuracy is improved, and the wear resistance and weather resistance are improved through the protective coating.
Patent Information
- Application Number
- CN202421531539.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-01
- Publication Date
- 2025-03-21
- Estimated Expiration
- 2034-07-01
AI Technical Summary
After a long time of use, the existing mode disk is worn at the connection between the lever and the mode disk, causing slippage, which reduces the control accuracy.
A mode disk is designed, using a movable rod to drive the positioning rod and the spring upward, compressing the spring and realizing the initial clamping of the lever. The positioning connection between the connecting shaft and the lever is achieved through the return elastic force of the spring to prevent slippage, and at the same time, the surface of the connecting shaft and the lever is coated to improve wear resistance and weather resistance.
It effectively prevents slippage at the connection between the lever and the mode disc, improves control accuracy, and relieves wear problems through protective coatings and extends service life.
Smart Images

Figure CN222645758U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the field of mode disks, in particular to a mode disk. Background Art
[0002] The mode plate is a key component of the automobile air conditioning motion device. It can receive the rotational power of the drive motor and transmit it to the damper, thereby controlling the rotation angle of each damper.
[0003] When the mode dial is in use, since the mode dial is provided with slide grooves corresponding to each damper, one end of the damper lever is slidably embedded in the slide groove of the mode dial to achieve connection, and then the lever is rotated to drive the mode dial to rotate, which can drive the relative slide groove to slide, thereby controlling the opening angle of the damper; however, the mode dial in the prior art is connected to the mode dial by means of slide groove card connection, and then after long-term use, the connection between the lever and the mode dial will slip due to long-term contact and wear, and then in the later adjustment process, it will cause the operation to not be in place, thereby reducing the control accuracy.
[0004] In summary, the present invention provides a mode disk to solve the above problems. Utility Model Content
[0005] In order to solve the above technical problems, the utility model provides the following technical solutions:
[0006] A mode disk comprises a disk body, wherein the inner cavity of the disk body is fixedly connected to a connecting shaft, a positioning assembly is arranged on the top of the connecting shaft, the inner cavity of the connecting shaft is movably connected to a lever, and the inner cavity of the connecting shaft is provided with a protective coating, an air duct is arranged on one side of the disk body, and a through hole is opened on one side of the air duct, the positioning assembly comprises a connecting cylinder, and the bottom of the connecting cylinder is fixedly connected to the connecting shaft, the inner cavity of the connecting cylinder is movably connected to a movable rod, the bottom of the movable rod is fixedly connected to a positioning rod, and a spring is sleeved on the surface of the movable rod, the bottom and top of the spring are respectively fixedly connected to the top of the positioning rod and the top of the inner cavity of the connecting cylinder, and a positioning hole is opened on the top of the lever.
[0007] Furthermore, in the utility model, the top of the connecting tube is movably connected to a circular plate, the top of the movable rod passes through the connecting tube and extends to the outside of the connecting tube, and is fixedly connected to the bottom of the circular plate.
[0008] Furthermore, in the utility model, a limiting block is fixedly connected to one side of the positioning rod, a limiting groove is opened on one side of the inner cavity of the connecting tube, and the limiting block extends from one end away from the positioning rod to the inner cavity of the limiting groove and is slidably connected to the inner cavity of the limiting groove.
[0009] Furthermore, in the utility model, one end of the shift rod extends to the inner cavity of the connecting shaft and is movably connected to the inner cavity of the connecting shaft, and the bottom of the positioning rod extends to the inner cavity of the positioning hole and is movably connected to the inner cavity of the positioning hole.
[0010] Furthermore, in the utility model, the protective coating includes a corrosion-resistant layer, the corrosion-resistant layer is coated on the inner wall of the connecting shaft and the surface of the lever, the side of the corrosion-resistant layer away from the connecting shaft and the lever is coated with a weather-resistant layer, and the side of the weather-resistant layer away from the corrosion-resistant layer is coated with a wear-resistant layer.
[0011] Furthermore, in the utility model, the corrosion-resistant layer is made of epoxy resin coating, the weather-resistant layer is made of polytetrafluoroethylene coating, and the wear-resistant layer is made of polyurethane coating.
[0012] Furthermore, in the utility model, the number of the air ducts is three, the air duct at the upper end is a foot-blowing air door track groove, the air duct at the lower end is a defrost air door track groove, and the air duct at one side is a face-blowing air door track groove.
[0013] Beneficial effects: The utility model has the following beneficial effects:
[0014] The utility model drives the positioning rod and the spring upward through the movable rod, so that the spring is compressed and deformed, and enters the inner cavity of the connecting shaft through the lever, thereby realizing preliminary clamping, and at the same time, the positioning rod can be driven downward to enter the inner cavity of the positioning hole through the restoring elastic force of the spring, thereby realizing the connection and positioning of the connecting shaft and the lever, thereby preventing slipping, and at the same time, the wear resistance and weather resistance of the connecting shaft and the lever can be improved through the protective coating, thereby relieving the wear generated during the transmission process of the connecting shaft and the lever, and the connecting shaft can be driven to rotate by the lever, and the connecting shaft can drive the disk body and the air duct to rotate, thereby controlling the opening angle of the air door. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the structure of the utility model;
[0016] Figure 2 This is a rear view structural diagram of the disk body of the utility model;
[0017] Figure 3 This is a schematic diagram of the structure of the utility model in which the connecting shaft and the shifting lever are separated;
[0018] Figure 4 This is a schematic diagram of the structure of the positioning assembly of the utility model in a cutaway state;
[0019] Figure 5 It is a schematic diagram of the structure of the protective coating of the utility model in a cross-sectional state.
[0020] In the figure:
[0021] 1. Disk body; 2. Air duct; 3. Connecting shaft; 4. Lever; 41. Positioning hole; 5. Positioning assembly; 51. Connecting tube; 511. Limiting groove; 52. Movable rod; 521. Round plate; 53. Spring; 54. Positioning rod; 541. Limiting block; 6. Protective coating; 61. Corrosion-resistant layer; 62. Weather-resistant layer; 63. Wear-resistant layer. DETAILED DESCRIPTION
[0022] In order to better understand the technical content of the utility model, specific embodiments are cited and described as follows in conjunction with the accompanying drawings. In this disclosure, various aspects of the utility model are described with reference to the accompanying drawings, and many illustrative embodiments are shown in the accompanying drawings. The embodiments of the present disclosure are not necessarily defined to include all aspects of the utility model. It should be understood that the various concepts and embodiments introduced above, as well as those described in more detail below, can be implemented in any of many ways, because the concepts and embodiments disclosed in the utility model are not limited to any implementation method. In addition, some aspects disclosed in the utility model can be used alone, or used in any appropriate combination with other aspects disclosed in the utility model.
[0023] Example 1
[0024] like Figure 1-5 As shown, it is the first embodiment of the utility model, which provides a mode disk, including a disk body 1, the inner cavity of the disk body 1 is fixedly connected with a connecting shaft 3, the top of the connecting shaft 3 is provided with a positioning assembly 5, the inner cavity of the connecting shaft 3 is movably connected with a lever 4, and the inner cavity of the connecting shaft 3 is provided with a protective coating 6, one side of the disk body 1 is provided with an air duct 2, and one side of the air duct 2 is provided with a through hole, the positioning assembly 5 includes a connecting tube 51, and the bottom of the connecting tube 51 is fixedly connected to the connecting shaft 3, the inner cavity of the connecting tube 51 is movably connected with a movable rod 52, the bottom of the movable rod 52 is fixedly connected with a positioning rod 54, and the surface of the movable rod 52 is sleeved with a spring 53, the bottom and top of the spring 53 are respectively fixedly connected to the top of the positioning rod 54 and the top of the inner cavity of the connecting tube 51, and the top of the lever 4 is provided with a positioning hole 41.
[0025] like Figure 1-5As shown, the movable rod 52 drives the positioning rod 54 to move upward to the inner cavity of the connecting tube 51, and the positioning rod 54 drives the spring 53 to move upward, so that the spring 53 is compressed and deformed, and the lever 4 is inserted into the inner cavity of the connecting shaft 3 to achieve preliminary clamping, and at the same time, the spring 53 is released, and the positioning rod 54 can be driven downward by the reset elastic force of the spring 53 to enter the inner cavity of the positioning hole 41, so as to achieve the connection and positioning of the connecting shaft 3 and the lever 4. The connecting shaft 3 and the lever 4 are positioned to prevent slipping during transmission. At the same time, the protective coating 6 can improve the wear resistance and weather resistance of the connecting shaft 3 and the lever 4, so as to alleviate the wear generated during the transmission of the connecting shaft 3 and the lever 4. The connecting shaft 3 is driven to rotate by the lever 4, and the connecting shaft 3 can drive the disk body 1 and the air duct 2 to rotate, so as to control the opening angle of the damper.
[0026] Example 2
[0027] Reference Figure 4 , which is the second embodiment of the utility model, and this embodiment is based on the previous embodiment.
[0028] In this embodiment, the top of the connecting tube 51 is movably connected to the circular plate 521 , the top of the movable rod 52 passes through the connecting tube 51 and extends to the outside of the connecting tube 51 , and is fixedly connected to the bottom of the circular plate 521 .
[0029] One side of the positioning rod 54 is fixedly connected to a limiting block 541 , one side of the inner cavity of the connecting tube 51 is provided with a limiting groove 511 , and the limiting block 541 extends from one end of the positioning rod 54 to the inner cavity of the limiting groove 511 and is slidably connected to the inner cavity of the limiting groove 511 .
[0030] like Figure 4 As shown, the circular plate 521 facilitates the movement of the movable rod 52, thereby improving the convenience of use. At the same time, when the positioning rod 54 moves up and down, the positioning rod 54 will drive the limit block 541 to slide along the inner cavity of the limit groove 511, so that the positioning rod 54 moves along a certain trajectory, thereby ensuring the stability of the positioning rod 54 during movement and preventing the positioning rod 54 from being misplaced.
[0031] Example 3
[0032] Reference Figure 3 and 5 , which is the third embodiment of the utility model, and this embodiment is based on the previous two embodiments.
[0033] In this embodiment, one end of the lever 4 extends to the inner cavity of the connecting shaft 3 and is movably connected to the inner cavity of the connecting shaft 3 , and the bottom of the positioning rod 54 extends to the inner cavity of the positioning hole 41 and is movably connected to the inner cavity of the positioning hole 41 .
[0034] The protective coating 6 includes a corrosion-resistant layer 61, which is coated on the inner wall of the connecting shaft 3 and the surface of the lever 4. The side of the corrosion-resistant layer 61 away from the connecting shaft 3 and the lever 4 is coated with a weather-resistant layer 62, and the side of the weather-resistant layer 62 away from the corrosion-resistant layer 61 is coated with a wear-resistant layer 63.
[0035] The corrosion-resistant layer 61 is made of epoxy resin paint, the weather-resistant layer 62 is made of polytetrafluoroethylene paint, and the wear-resistant layer 63 is made of polyurethane paint.
[0036] The number of air ducts 2 is three, the upper air duct 2 is a foot-blowing air door track slot, the lower air duct 2 is a defrost air door track slot, and the one side air duct 2 is a face-blowing air door track slot.
[0037] like Figure 3 and 5 As shown, the lever 4 enters the inner cavity of the connecting shaft 3, thereby facilitating the clamping operation, and at the same time, the positioning rod 54 enters the inner cavity of the positioning hole 41, thereby positioning the connection between the connecting shaft 3 and the lever 4. The corrosion-resistant layer 61 is an epoxy resin coating, thereby improving the corrosion resistance of the connecting shaft 3 and the lever 4, and the weather-resistant layer 62 is a polytetrafluoroethylene coating, thereby improving the weather resistance of the connecting shaft 3 and the lever 4, so that the connecting shaft 3 and the lever 4 will not be deformed when subjected to high temperature, and the wear-resistant layer 63 is a polyurethane coating to improve the wear resistance of the connecting shaft 3 and the lever 4.
[0038] When in use, first pull the circular plate 521, the circular plate 521 drives the movable rod 52 to move upward, so that the movable rod 52 drives the positioning rod 54 to move upward to the inner cavity of the connecting tube 51, and the positioning rod 54 drives the spring 53 to move upward, so that the spring 53 is compressed and deformed, and the lever 4 is inserted into the inner cavity of the connecting shaft 3 to achieve preliminary clamping, and at the same time, the spring 53 is released, and the positioning rod 54 can be driven downward by the return elastic force of the spring 53 to enter the inner cavity of the positioning hole 41, so as to realize the connection and positioning of the connecting shaft 3 and the lever 4. By positioning the connecting shaft 3 and the lever 4, Prevent slipping during transmission. At the same time, the corrosion resistance of the connecting shaft 3 and the lever 4 can be improved by the corrosion-resistant layer 61, and the weather-resistant layer 62 can improve the weather resistance of the connecting shaft 3 and the lever 4, so that the connecting shaft 3 and the lever 4 will not be deformed when subjected to high temperature. At the same time, the wear-resistant layer 63 can improve the wear resistance of the connecting shaft 3 and the lever 4, thereby alleviating the wear of the connecting shaft 3 and the lever 4 during the transmission process. Then, by rotating the lever 4, the lever 4 can drive the connecting shaft 3 to rotate. When the connecting shaft 3 rotates, it can also drive the disk 1 and the air duct 2 to rotate, thereby facilitating the control of the opening angle of the damper.
[0039] The standard parts used in this application document can all be purchased from the market and can be customized according to the description in the specification and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art. The control method is automatic control through a controller. The control circuit of the controller can be implemented through simple programming by technicians in this field, which is common knowledge in the field. This application is mainly used to protect mechanical devices, so this application no longer explains the control method and circuit connection in detail.
[0040] Although the present invention has been disclosed as above with preferred embodiments, it is not intended to limit the present invention. A person with ordinary knowledge in the technical field to which the present invention belongs may make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention shall be determined by the definition of the claims.
Claims
1. A mode disk, comprising a disk body (1), characterized in that: The inner cavity of the disk body (1) is fixedly connected to a connecting shaft (3), a positioning assembly (5) is arranged at the top of the connecting shaft (3), the inner cavity of the connecting shaft (3) is movably connected to a lever (4), and the inner cavity of the connecting shaft (3) is provided with a protective coating (6), a wind duct (2) is arranged on one side of the disk body (1), and a through hole is opened on one side of the wind duct (2), the positioning assembly (5) comprises a connecting tube (51), and the bottom of the connecting tube (51) is fixedly connected to the connecting shaft (3), the inner cavity of the connecting tube (51) is movably connected to a movable rod (52), the bottom of the movable rod (52) is fixedly connected to a positioning rod (54), and a spring (53) is sleeved on the surface of the movable rod (52), the bottom and top of the spring (53) are respectively fixedly connected to the top of the positioning rod (54) and the top of the inner cavity of the connecting tube (51), and a positioning hole (41) is opened on the top of the lever (4).
2. The mode disk according to claim 1, characterized in that: The top of the connecting tube (51) is movably connected to a circular plate (521); the top of the movable rod (52) penetrates the connecting tube (51) and extends to the outside of the connecting tube (51), and is fixedly connected to the bottom of the circular plate (521).
3. The mode disk according to claim 1, characterized in that: One side of the positioning rod (54) is fixedly connected to a limiting block (541); one side of the inner cavity of the connecting tube (51) is provided with a limiting groove (511); an end of the limiting block (541) away from the positioning rod (54) extends to the inner cavity of the limiting groove (511) and is slidably connected to the inner cavity of the limiting groove (511).
4. The mode disk according to claim 1, characterized in that: One end of the shifting rod (4) extends to the inner cavity of the connecting shaft (3) and is movably connected to the inner cavity of the connecting shaft (3); the bottom of the positioning rod (54) extends to the inner cavity of the positioning hole (41) and is movably connected to the inner cavity of the positioning hole (41).
5. The mode disk according to claim 1, characterized in that: The protective coating (6) comprises a corrosion-resistant layer (61), wherein the corrosion-resistant layer (61) is coated on the inner wall of the connecting shaft (3) and the surface of the shifting rod (4), the side of the corrosion-resistant layer (61) away from the connecting shaft (3) and the shifting rod (4) is coated with a weather-resistant layer (62), and the side of the weather-resistant layer (62) away from the corrosion-resistant layer (61) is coated with a wear-resistant layer (63).
6. The mode disk according to claim 5, characterized in that: The corrosion-resistant layer (61) is made of epoxy resin paint, the weather-resistant layer (62) is made of polytetrafluoroethylene paint, and the wear-resistant layer (63) is made of polyurethane paint.
7. The mode disk according to claim 1, characterized in that: The number of the air ducts (2) is three, the upper air duct (2) is a foot-blowing air door track groove, the lower air duct (2) is a defrosting air door track groove, and the air duct (2) on one side is a face-blowing air door track groove.