Telescopic knob switch

Abstract

The utility model relates to the field of switches, in particular to a telescopic knob switch. The telescopic knob switch comprises a knob and a supporting rod, the knob is installed on the supporting rod in a sliding mode, a sleeve is arranged at the bottom of the knob, a guide part is movably arranged on the sleeve, and a limiting part is arranged on the supporting rod. The limiting part comprises a groove, the guide part extends into the groove, a first guide face and a second guide face which are inclined upwards are arranged at the bottom of the groove, a guide block is fixedly arranged in the groove, a third guide face and a V-shaped fourth guide face are arranged at the top and the bottom of the guide block respectively, a spring is arranged in the sleeve, and the guide block is fixedly arranged in the sleeve. The bottom end of the spring is fixedly connected with the supporting rod. The telescopic knob switch provided by the utility model has the advantages that the knob can be shrunk and rebounded, and the shrunk and the rebounded are smooth.

Description

Technical Field

[0001] The utility model relates to the field of switches, in particular to a telescopic knob switch. Background Art

[0002] Knob switches are generally used in stoves or water heaters. In order to ensure aesthetics or facilitate cleaning, there are retractable knob switches in the prior art.

[0003] For example, the patent document with publication number CN208608099U discloses a stove and its knob switch, wherein the stove knob switch includes a knob, which is a cylindrical structure with a hollow cavity, and a button self-locking switch is installed in the hollow cavity of the knob, and the button self-locking switch includes a button and a self-locking switch connected to the button; when the button self-locking switch is pressed axially twice adjacently, it remains in a pressed self-locking state when pressed once, and the top surface of the button is flush with the top surface of the knob.

[0004] The above technology uses the pressing structure of the pressing pen to achieve contraction and rebound. The disadvantage of this structure is that it is prone to jamming.

[0005] Therefore, a telescopic knob switch is proposed to solve the above technical problems. Utility Model Content

[0006] In order to solve the above technical problems, the purpose of the utility model is to provide a telescopic knob switch, which has the advantages of being able to make the knob retract and rebound smoothly.

[0007] The technical solution adopted by the utility model to solve the problem is: a telescopic knob switch, comprising: a knob and a support rod, the knob is slidably mounted on the support rod, a sleeve is provided at the bottom of the knob, a guide portion is movably provided on the sleeve, and a limiting portion is provided on the support rod; the limiting portion comprises a groove, the guide portion extends into the groove, a first guide surface and a second guide surface inclined upward are provided at the bottom of the groove, a guide block is fixedly provided in the groove, a third guide surface and a fourth guide surface in a V-shape are respectively provided at the top and bottom of the guide block, a spring is provided in the sleeve, and the bottom end of the spring is fixedly connected to the support rod.

[0008] As a further improvement of the above technical solution, the guide portion includes a pin shaft, and a sliding hole is transversely opened on the sleeve, and the sliding hole is slidably connected to the pin shaft.

[0009] As a further improvement of the above technical solution, the fixed sleeve on the pin shaft is provided with a guide wheel, and the guide wheel can roll laterally on the sleeve.

[0010] As a further improvement of the above technical solution, a notch is provided on one side of the sliding hole, and the guide wheel and the pin shaft can be installed through the notch.

[0011] As a further improvement of the above technical solution, a limiting groove is provided on the sleeve, a limiting rod is provided on the support rod, and the limiting rod is slidably connected to the limiting groove.

[0012] The beneficial effect of the utility model is that the guide part, the limit part and the spring are provided, so that the knob can be pressed, contracted and rebounded, and the movement is smooth and the stability is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The utility model is further explained below in conjunction with the accompanying drawings and specific implementation methods.

[0014] Figure 1 It is a structural schematic diagram of a preferred embodiment of the utility model;

[0015] Figure 2 for Figure 1 Exploded view shown;

[0016] Figure 3 This is a schematic diagram of the structure of the utility model when viewed from above;

[0017] Figure 4 It is a cross-sectional structural schematic diagram of the utility model.

[0018] In the figure: 1. knob; 11. sleeve; 12. sliding hole; 13. notch; 14. limit groove; 2. support rod; 21. limit rod; 3. guide part; 31. pin shaft; 32. guide wheel; 4. limit part; 41. groove; 42. first guide surface; 43. second guide surface; 44. third guide surface; 45. guide block; 46. fourth guide surface; 5. spring. DETAILED DESCRIPTION

[0019] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0020] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0021] In the description of the present utility model, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0022] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0023] Reference Figures 1 to 4 A telescopic knob switch comprises: a knob 1 and a support rod 2, the knob 1 is slidably mounted on the support rod 2, a sleeve 11 is provided at the bottom of the knob 1, a guide portion 3 is movably provided on the sleeve 11, and a limit portion 4 is provided on the support rod 2;

[0024] The limiting portion 4 includes a groove 41, the guide portion 3 extends into the groove 41, the bottom of the groove 41 is provided with a first guide surface 42 and a second guide surface 43 inclined upward, a guide block 45 is fixedly provided in the groove 41, and the top and bottom of the guide block 45 are respectively provided with a third guide surface 44 and a V-shaped fourth guide surface 46, a spring 5 is provided in the sleeve 11, and the bottom end of the spring 5 is fixedly connected to the support rod 2. The guide portion 3 can slide left and right on the sleeve 11. When in use, the knob 1 is pressed downward to compress the spring 5. The guide portion 3 moves toward the left side of the groove 41 through the third guide surface 44 and moves downward as the knob 1 is pressed downward. When the guide portion 3 contacts the second guide surface 43, it moves to the right along the second guide surface 43 until it corresponds to the fourth guide surface 46. The knob 1 is released. Under the elastic force of the spring 5, the guide portion 3 moves upward and engages with the fourth guide surface 46. At this time, the knob 1 is in a retracted state. When the knob 1 needs to rebound and extend, the knob 1 is pressed downward again. The knob 1 drives the guide portion 3 to move downward an end distance, and moves rightward to the right side of the groove 41 under the action of the first guide surface 42. The knob 1 is released. Under the elastic force of the spring 5, the knob 1 rebounds and extends upward, and the guide portion 3 is reset along the right side of the groove 41.

[0025] In a preferred embodiment, the guide portion 3 includes a pin shaft 31 , and a sliding hole 12 is transversely opened on the sleeve 11 , and the sliding hole 12 is slidably connected to the pin shaft 31 .

[0026] In a preferred embodiment, in order to ensure that the pin shaft 31 slides smoothly, a guide wheel 32 is fixedly sleeved on the pin shaft 31 , and the guide wheel 32 can roll laterally on the sleeve 11 .

[0027] In a preferred embodiment, a notch 13 is provided on one side of the sliding hole 12, and the guide wheel 32 and the pin 31 can be installed through the notch 13. The assembly is simple and convenient.

[0028] In a preferred embodiment, a limiting groove 14 is provided on the sleeve 11, and a limiting rod 21 is provided on the support rod 2, and the limiting rod 21 is slidably connected to the limiting groove 14. This ensures that the knob 1 slides smoothly on the support rod 2, and at the same time, the knob 1 can be rotated to drive the support rod 2 to rotate, thereby controlling the valve.

[0029] The above are only preferred embodiments of the present invention, and are not intended to limit the patent scope of the present invention. All equivalent structural changes made using the contents of the present invention specification and drawings under the utility model concept, or directly or indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A telescopic knob switch, characterized in that: include: A knob (1) and a support rod (2), wherein the knob (1) is slidably mounted on the support rod (2), a sleeve (11) is provided at the bottom of the knob (1), a guide portion (3) is movably provided on the sleeve (11), and a limit portion (4) is provided on the support rod (2); The limiting portion (4) comprises a groove (41), the guiding portion (3) extends into the groove (41), the bottom of the groove (41) is provided with a first guiding surface (42) and a second guiding surface (43) inclined upward, a guiding block (45) is fixedly provided in the groove (41), the top and bottom of the guiding block (45) are respectively provided with a third guiding surface (44) and a V-shaped fourth guiding surface (46), a spring (5) is provided in the sleeve (11), and the bottom end of the spring (5) is fixedly connected to the support rod (2).

2. A telescopic knob switch according to claim 1, characterized in that: The guide portion (3) comprises a pin shaft (31), and a sliding hole (12) is transversely opened on the sleeve (11), and the sliding hole (12) is slidably connected to the pin shaft (31).

3. A telescopic knob switch according to claim 2, characterized in that: A guide wheel (32) is fixedly sleeved on the pin shaft (31), and the guide wheel (32) can roll laterally on the sleeve (11).

4. A telescopic knob switch according to claim 3, characterized in that: A notch (13) is provided on one side of the sliding hole (12), and the guide wheel (32) and the pin shaft (31) can be installed through the notch (13).

5. The telescopic knob switch according to claim 1, characterized in that: The sleeve (11) is provided with a limiting groove (14), the support rod (2) is provided with a limiting rod (21), and the limiting rod (21) is slidably connected to the limiting groove (14).

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