Transmission assembly of knob switch, knob switch and vehicle door

Abstract

The utility model relates to the field of switches, in particular to a transmission assembly of a knob switch, the knob switch and a vehicle door. The utility model discloses a transmission assembly of a knob switch, the transmission assembly is used for cooperating with the knob switch for unlocking, the knob switch comprises a transmission shaft, and the transmission assembly comprises a driving wheel comprising a step part, a mounting part and a groove; the bearing is mounted on the step part; the fastener is mounted on the mounting part and is in contact connection with the bearing; the transmission shaft is inserted into the groove and is radially fixed with the groove, so that the driving wheel is driven to rotate according to the rotation of the transmission shaft. The knob switch includes: a body; the cover body is a radial bulge arranged on the side surface of the body; the transmission shaft extends towards one end of the body; and the first limiting part is arranged on the peripheral side of the cover body and is used for limiting the knob switch on the shell for installing the knob switch. According to the knob switch provided by the invention, the accumulated tolerance, such as the installation tolerance of the knob switch in the shell, generated in the assembly process of the assembly can be adapted, the assembly yield of a finished lock is improved, and the user experience is improved.

Description

Technical Field

[0001] The present invention relates to the field of switches, and in particular to a rotary switch. Transmission components, knob switches and doors . Background Art

[0002] In the field of switches, knob switches are a commonly used switch form. Knob switches are used in many fields, including household appliances, automobiles, industrial control equipment, etc. In order to match the design and consider the human-machine comfort when unlocking, the application of knobs with increased transmission drive structures is becoming more and more widespread. In the current design scheme of adding transmission drive structures to knobs, due to the large number of assembly parts, cumulative tolerances are easily generated during the assembly process, thus affecting the assembly, and even hindering the normal rotation function of the knob, resulting in low finished product yield. During the assembly process of the knob switch and the external housing, it will also affect the coordination and presentation effect of the knob switch and the housing or appearance surface.

[0003] The relevant technical solution is generally to improve the dimensional accuracy of parts by improving the parts processing technology. On the one hand, this requires controlling the accuracy of multiple parts at the same time, which has high requirements for the manufacturing process. On the other hand, it will also lead to an increase in the process cost during the parts production process. Utility Model Content

[0004] In order to solve the above problems, the present invention proposes a knob switch Transmission components, knob switches and doors .

[0005] The present disclosure adopts the following technical solutions:

[0006] A transmission assembly of a knob switch, used for unlocking with the knob switch, the knob switch comprises a transmission shaft, and the transmission assembly comprises:

[0007] A driving wheel, comprising a step portion, a mounting portion and a groove;

[0008] The bearing is installed on the step portion;

[0009] A fastener is installed on the mounting portion and is in contact with the bearing;

[0010] The groove is used for inserting the transmission shaft and being radially fixed to the transmission shaft, so as to drive the driving wheel to rotate according to the rotation of the transmission shaft.

[0011] Further, the groove is an axially open groove formed in the driving wheel.

[0012] Furthermore, the groove depth is greater than the insertion length of the transmission shaft.

[0013] Furthermore, the bearing comprises a bearing inner ring and a bearing outer ring, the bearing inner ring can rotate axially around the bearing outer ring, and the bearing inner ring is installed on the step portion of the driving wheel.

[0014] Furthermore, the fastener presses the inner ring of the bearing onto the driving wheel, so that the transmission shaft can drive the driving wheel, the bearing and the fastener to rotate.

[0015] Furthermore, the step portion is provided with an extension portion in the installation direction of the bearing, which cooperates with the fastener to stop the bearing in the axial direction, and the axial width of the extension portion is greater than the axial width of the inner ring of the bearing.

[0016] Furthermore, the fastener is installed on the installation portion by at least one of interference fit, screw connection structure, threaded connection, clamping structure, and welding structure.

[0017] The present disclosure also includes a knob switch, which is used to cooperate with a transmission assembly to unlock, comprising:

[0018] ontology;

[0019] The cover body is a radial protrusion arranged on the side of the body;

[0020] a transmission shaft extending toward one end of the body; and

[0021] A first limiting portion is arranged on the peripheral side of the cover body and is used to limit the knob switch to the housing where the knob switch is installed;

[0022] Preferably, the first limiting portion is a groove or a protrusion arranged on the peripheral side of the cover body and along the outer edge of the shell cover body.

[0023] According to another aspect of the present disclosure, a vehicle door is provided for installing a knob switch, comprising a second limiting portion, wherein the second limiting portion is used to cooperate with the first limiting portion to install the knob switch.

[0024] Compared with traditional technologies, the present disclosure has the following beneficial effects: the present disclosure provides a knob switch that can adapt to the cumulative tolerances generated during component assembly, such as the installation tolerances of the knob switch in the housing, thereby improving the assembly yield of the finished lock and enhancing the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The drawings constituting a part of the present disclosure are used to provide a further understanding of the present disclosure. The illustrative embodiments of the present disclosure and their descriptions are used to explain the present disclosure and do not constitute an improper limitation on the present disclosure. In the drawings:

[0026] Figure 1 A cross-sectional view of a knob switch and a transmission assembly according to an embodiment of the present disclosure;

[0027] Figure 2 This is a schematic diagram of the cooperation between a knob switch and a transmission assembly according to an embodiment of the present disclosure;

[0028] Figure 3 An exploded view of a knob switch and a transmission assembly according to an embodiment of the present disclosure;

[0029] Figure 4 An exploded view of a knob switch and a transmission assembly according to another embodiment of the present disclosure;

[0030] Figure 5 A structural cross-sectional view of an embodiment of the present disclosure when assembled on a vehicle door;

[0031] Reference numerals:

[0032] Main body 1.0, cover 1.1, transmission shaft 1.2, first limit part 1.3, appearance panel 2, second limit part 3, limit cover 3.1, limit bracket 3.2, upper shell 4, driving wheel 5, step part 5.1, mounting part 5.2, groove 5.3, circumferential groove 5.4, spring 6, second bolt 7, gear 8, lower shell 9. DETAILED DESCRIPTION

[0033] It should be noted that, in the absence of conflict, the embodiments and features of the present disclosure can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0034] In order to enable those skilled in the art to better understand the scheme of the present disclosure, the technical scheme in the embodiments of the present disclosure will be clearly and completely described below in conjunction with the drawings in the embodiments of the present disclosure. Obviously, the described embodiments are only embodiments of a part of the present disclosure, not all embodiments. Based on the embodiments in the present disclosure, all other embodiments obtained by those skilled in the art without making creative work should fall within the scope of protection of the present disclosure.

[0035] It should be noted that the terms "first", "second", etc. in the specification and claims of the present disclosure and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so as to describe the embodiments of the present invention described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices. In addition, in the description with reference to the drawings, the same marks in different drawings represent the same elements.

[0036] According to the first aspect of the present disclosure, Figure 1-5 As shown, a transmission assembly of a knob switch is provided, which is used to cooperate with the knob switch to unlock. The knob switch includes a transmission shaft, and the transmission assembly includes:

[0037] The driving wheel 5 comprises a step portion 5.1, a mounting portion 5.2 and a groove 5.3;

[0038] Bearing 10, mounted on step portion 5.1;

[0039] A fastener 11 is mounted on the mounting portion 5.2 and is in contact with the bearing 10;

[0040] The groove 5.3 is used for inserting the transmission shaft and being radially fixed to the transmission shaft, so as to drive the driving wheel 5 to rotate according to the rotation of the transmission shaft.

[0041] In one embodiment of the present disclosure, Figure 3-4 As shown, the groove 5 . 3 is an axially open groove in the driving wheel 5 .

[0042] In one embodiment of the present disclosure, the depth of the groove 5.3 is greater than the insertion length of the transmission shaft.

[0043] In one embodiment of the present disclosure, Figure 2-4 As shown, the transmission shaft is a square rod body, the groove 5.3 is set as a square groove, and the transmission shaft is inserted into the groove 5.3.

[0044] In other embodiments, at least one first limiting portion is provided on the circumferential side of the transmission shaft, and a second limiting portion is provided in the groove 5.3 for axially stopping the first limiting portion. After the transmission shaft is inserted into the groove 5.3, the driving wheel 5 and the knob switch are radially positioned, while there is a certain relative movable gap in the axial direction. The first limiting portion can be a convex portion or a concave portion.

[0045] The knob switch and the transmission assembly are connected in cooperation, and the transmission shaft has an axial relative movable clearance when assembled with the groove 5.3, that is, the assembly position of the transmission assembly can be adjusted according to the tolerance after the knob switch is installed, so as to achieve the effect of absorbing the cumulative assembly tolerance.

[0046] In one embodiment of the present disclosure, Figure 3-4 As shown, the bearing 10 comprises a bearing inner ring 10.1 and a bearing outer ring 10.2. The bearing inner ring 10.1 can rotate axially around the bearing outer ring 10.2. The bearing inner ring 10.1 is mounted on the step portion 5.1 of the driving wheel 5.

[0047] The selection of the bearing 10 is not limited in the present disclosure. In one embodiment of the present disclosure, Figure 3-4 As shown, the bearing 10 is a deep groove ball bearing, which can reduce the friction coefficient between the bearing inner ring 10.1 and the bearing outer ring 10.2, and has the function of aligning the center and ensuring the movement accuracy.

[0048] In one embodiment of the present disclosure, Figure 1-4As shown, the fastener 11 presses the bearing inner ring 10.1 onto the driving wheel 5, so that the transmission shaft 1.2 can drive the driving wheel 5, the bearing 10 and the fastener 11 to rotate.

[0049] In the present disclosure, there is no limitation on the connection method between the fastener 11 and the driving wheel 5. In one embodiment of the present disclosure, Figure 1 and Figure 3 As shown, the fastener 11 is selected as a locking nut, the inner side of the locking nut is provided with a first thread feature, and the mounting portion 5.2 is provided with a second thread feature. After the first thread feature is screwed together with the second thread feature, the fastener 11 presses and fixes the bearing inner ring 10.1 on the step portion 5.1. The locking nut is easy to install and is not easy to move or slip.

[0050] In another embodiment of the present disclosure, Figure 4 As shown, the fastener 11 is selected as a buckle, and a circumferential groove 5.4 is provided on the driving wheel 5. The radial distance between the buckle and the circumferential groove 5.4 after assembly is greater than the radial distance between the bearing inner ring 10.1, and the bearing inner ring 10.1 is axially pressed against the step portion 5.1. The parts of the buckle structure are compact and the manufacturing cost is low, which effectively reduces the weight of the transmission assembly.

[0051] In other embodiments, the fastener 11 may also be installed on the installation portion 5.2 by at least one of interference fit, screw connection, clamping structure, and welding structure.

[0052] In one embodiment of the present disclosure, Figure 1-4 As shown, the step portion 5.1 is provided with an extension portion in the installation direction of the bearing 10, which cooperates with the fastener 11 to stop the bearing 10 in the axial direction, and the axial width of the extension portion is greater than the axial width of the bearing inner ring 10.1.

[0053] According to another aspect of the present disclosure, a knob switch is provided for unlocking in cooperation with a transmission assembly, and the knob switch comprises:

[0054] Ontology 1.0;

[0055] The cover 1.1 is a radial protrusion arranged on the side of the body 1.0;

[0056] A transmission shaft 1.2 extending toward one end of the body 1.0; and

[0057] The first limiting portion 1.3 is arranged on the peripheral side of the cover body 1.1 and is used to limit the knob switch to the housing where the knob switch is installed.

[0058] In one embodiment of the present disclosure, the first limiting portion 1.3 is a groove or a protrusion arranged on the circumference of the cover body 1.1 and along the outer edge of the shell cover body 1.1.

[0059] According to another aspect of the present disclosure, a vehicle door is further provided for installing the above-mentioned knob switch, comprising a second limiting portion 3, wherein the second limiting portion 3 is used to cooperate with the first limiting portion 1.3 to install the knob switch.

[0060] The second limiting portion 3 does not hinder the axial rotation of the first limiting portion 1.1, and at the same time limits the axial displacement and radial shaking of the first limiting portion 1.3, thereby ensuring the stability of the knob rotation.

[0061] The structure of the second limit portion 3 is not limited in the present disclosure. In one embodiment of the present disclosure, the second limit portion 3 includes a limit cover 3.1 and a limit bracket 3.2. The limit cover 3.1 and the limit bracket 3.2 cooperate to form a groove. In other embodiments, the limit portion of the second limit portion 3 that cooperates with the first limit portion 1.3 can be set to a groove or a protrusion to realize the axial displacement constraint of the knob switch. The second limit portion 3 can also be designed as a whole.

[0062] In one embodiment of the present disclosure, Figure 5 As shown, the door includes an upper shell 4 and a lower shell 9, and the upper shell 4 and the lower shell 9 are connected by bolts. The upper shell 4 presses and fixes the bearing outer ring 10.2, and the driving wheel 5 is pressed together with the bearing inner ring 10.1 through the fastener 11, that is, the knob switch drives the driving wheel 5 to rotate around the bearing outer ring 10.2 pressed by the outer shell 4, and the driving wheel 5 has no axial sliding in the shell including the upper shell 4 and the lower shell 9, and the knob switch operation experience is good.

[0063] In one embodiment of the present disclosure, Figure 5 As shown, the door further includes an exterior panel 2 and an upper shell 4, the second stopper 3 is installed inside the exterior panel 2, the exterior panel 2 is connected to the upper shell 4, and the exterior panel 2 overlaps the second stopper 3. By adjusting the tolerance between the second stopper 3 and the exterior panel 2, it can be ensured that the surface difference between the knob switch and the outer surface of the exterior panel 2 meets the design requirements.

[0064] The above shows and describes the basic principles, main features and advantages of the present disclosure. Those skilled in the art should understand that the present disclosure is not limited by the above embodiments. The above embodiments and the specification only describe the principles of the present disclosure. The present disclosure may be subject to various changes and improvements without departing from the spirit and scope of the present disclosure. These changes and improvements fall within the scope of the present disclosure to be protected. The scope of protection claimed by the present disclosure is defined by the attached claims and their equivalents.

Claims

1. A transmission assembly of a knob switch, used for unlocking with a knob switch, the knob switch comprising a transmission shaft, characterized in that: The transmission assembly comprises: The driving wheel (5) comprises a step portion (5.1), a mounting portion (5.2) and a groove (5.3); A bearing (10) is mounted on the step portion (5.1); A fastener (11) is mounted on the mounting portion (5.2) and is in contact with and connected to the bearing (10); The groove (5.3) is used for the transmission shaft to be inserted into and is radially fixed to the transmission shaft, so as to drive the driving wheel (5) to rotate according to the rotation of the transmission shaft.

2. The transmission assembly according to claim 1, characterized in that: The groove (5.3) is an axially open groove formed in the driving wheel (5).

3. The transmission assembly according to claim 1, characterized in that: The depth of the groove (5.3) is greater than the insertion length of the transmission shaft.

4. The transmission assembly according to claim 1, characterized in that: The bearing (10) comprises a bearing inner ring (10.1) and a bearing outer ring (10.2); the bearing inner ring (10.1) can rotate axially around the bearing outer ring (10.2); and the bearing inner ring (10.1) is mounted on a step portion (5.1) of a driving wheel (5).

5. The transmission assembly according to claim 4, characterized in that: The fastener (11) presses the inner ring of the bearing (10.1) onto the driving wheel (5), so that the transmission shaft (1.2) can drive the driving wheel (5), the bearing (10) and the fastener (11) to rotate.

6. The transmission assembly according to claim 5, characterized in that: The step portion (5.1) is provided with an extension portion in the installation direction of the bearing (10), which cooperates with the fastener (11) to stop the bearing (10) in the axial direction, and the axial width of the extension portion is greater than the axial width of the bearing inner ring (10.1).

7. The transmission assembly according to claim 5, characterized in that: The fastener (11) is installed on the installation portion (5.2) by at least one of an interference fit, a screw connection structure, a threaded screw connection, a clamping structure, and a welding structure.

8. A knob switch, used for unlocking in cooperation with the transmission assembly according to claim 1, characterized in that: include: ontology(1.0); The cover body (1.1) is a radial protrusion arranged on the side of the body (1.0); A transmission shaft (1.2) extending toward one end of the body (1.0); and A first limiting portion (1.3) is arranged on the peripheral side of the cover body (1.1) and is used to limit the knob switch to a housing on which the knob switch is installed.

9. The knob switch according to claim 8, characterized in that: The first limiting portion (1.3) is a groove or a protrusion arranged on the circumferential side of the cover body (1.1) and along the outer edge of the cover body (1.1).

10. A vehicle door, used for installing the knob switch according to claim 8, characterized in that: It comprises a second limiting portion (3), wherein the second limiting portion (3) is used to cooperate with the first limiting portion (1.3) to install the knob switch.

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