Knob tightening structure with gear hand feeling

Abstract

The utility model provides a knob tightening structure with a gear hand feeling. The knob tightening structure comprises a screw cap, a pressing seat and an adsorption disc, wherein the top of the adsorption disc penetrates through the pressing seat and is in threaded connection with the screw cap; the end face, facing the pressing base, of the screw cap is provided with a gear protruding ring, the gear protruding ring is provided with a plurality of gear grooves evenly distributed in the circumferential direction of the gear protruding ring at intervals, and the gear grooves extend in the axial direction of the gear protruding ring and penetrate through the free end face of the gear protruding ring. An elastic cantilever extending towards the direction of the screw cap is arranged on the pressing seat, and the free end of the elastic cantilever is inserted into one of the gear grooves; according to the utility model, the gear grooves are arranged on the screw cap, and the elastic cantilevers are arranged on the pressing seat, so that when a user screws the screw cap, the elastic cantilevers in the gear grooves can synchronously rotate and enter the next gear groove, thereby bringing gear hand feeling to the user and improving the use experience of the user; in addition, after the screw cap is tightened, the screw cap can be prevented from automatically rotating under the matching of the elastic cantilever and the gear groove, so that the connection looseness is avoided.

Description

Technical Field

[0001] This utility model relates to the field of household goods technology, specifically to a knob tightening structure with a tactile feedback mechanism. Background Technology

[0002] The knob tightening mechanism is widely used in various household products, such as suction cups. By screwing the knob cap, the middle of the suction cup is lifted, and the pressure seat is pressed tightly against the outer edge of the suction cup. In this way, the suction cup can be firmly attached to the wall for fixing and hanging items, providing convenience and practicality for users.

[0003] Existing knob tightening mechanisms of this type mostly achieve connection through a screw and screw hole. The tightening process is too smooth, resulting in a poor feel and affecting the user experience. In addition, after the cap is tightened, it is easy for the cap to automatically rotate back during subsequent use, causing the suction cup to loosen and resulting in the hanging items falling off, causing unnecessary losses to the user. Utility Model Content

[0004] The technical problem to be solved by this utility model is to overcome the defects of the prior art and provide a suction cup with a stop feel when twisting.

[0005] The technical solution of this utility model is to provide a knob tightening structure with a stop-position feel, having the following structure:

[0006] The device includes a screw cap, a pressure base, and an adsorption plate. The top of the adsorption plate passes through the pressure base and is threadedly connected to the screw cap. A stop ring is provided on one end face of the screw cap facing the pressure base. The stop ring has several stop grooves evenly spaced along its circumference. The stop grooves extend along the axial direction of the stop ring and penetrate its free end face. The pressure base has an elastic cantilever extending towards the screw cap. The free end of the elastic cantilever is inserted into one of the stop grooves.

[0007] With the above structure, the knob tightening structure with a stop mechanism of this utility model has the following advantages compared with the prior art:

[0008] This invention features a stop groove on the cap and an elastic cantilever on the pressure base. When the user screws the cap on, the elastic cantilever in the stop groove rotates synchronously and enters the next stop groove, providing the user with a tactile feel and improving the user experience. In addition, after the cap is tightened, the cooperation between the elastic cantilever and the stop groove prevents the cap from automatically rotating back, thus preventing the connection from becoming loose.

[0009] Preferably, the stop ring is wavy, creating an arc-shaped guide surface between adjacent stop grooves, the guide surface having the same curvature as the stop groove. This allows for smoother screwing of the cap and prevents the elastic cantilever from getting stuck between the two stop grooves. Furthermore, this design creates stop grooves on both the inner and outer peripheral walls of the stop ring, allowing the elastic cantilever to be connected to either the inner or outer peripheral wall of the stop ring as needed.

[0010] Preferably, the two ends of the elastic cantilever facing the side wall of the stop groove are rounded.

[0011] Preferably, the free end of the elastic cantilever has two interlocking portions extending along the axial direction of the pressure seat and spaced apart. The distance between the two interlocking portions is the same as the distance between two adjacent stop slots, and the two interlocking portions are inserted into two adjacent stop slots. During the screwing and tightening of the cap, the interlocking portions are squeezed out of the stop slots, which may lead to breakage after prolonged use. Therefore, by providing two interlocking portions on the elastic cantilever, even if one breaks, it can still maintain normal function.

[0012] Preferably, there are two elastic cantilever arms, symmetrically arranged on the pressure base. This arrangement allows for more even force distribution when the cap is screwed on.

[0013] Preferably, the pressure seat, elastic cantilever, and plug-in part are integrally formed; this can reduce processing and assembly steps, thereby saving costs.

[0014] Preferably, the adsorption plate has a stud at the top center, the pressure base has a through hole penetrating its upper and lower end faces, and the end face of the screw cap facing the pressure base has a screw hole that matches the stud. The free end of the stud passes through the through hole and is threadedly connected to the screw hole.

[0015] Preferably, the stud, through hole, and threaded hole are arranged on the same axis.

[0016] Preferably, the outer peripheral wall of the pressure seat is provided with a snap-fit ​​groove, and a hook is snapped into the snap-fit ​​groove.

[0017] Preferably, the stop ring is disposed on the end face of the pressure seat facing the cap, and the elastic cantilever is disposed on the end face of the cap facing the pressure seat. Similar to the above structural principle, reversing the positions of the stop ring and the elastic cantilever will still achieve the stop function. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of this utility model.

[0019] Figure 2 This is a partial structural schematic diagram of the present invention.

[0020] Figure 3 This is a cross-sectional view of the present invention.

[0021] Figure 4 This is a schematic diagram of the screw cap structure in this utility model.

[0022] Figure 5 This is a schematic diagram of the structure of the pressure seat in this utility model.

[0023] Figure 6 This is a schematic diagram of the structure of the adsorption plate in this utility model.

[0024] Explanation of reference numerals in the attached figures:

[0025] 1. Screw cap; 11. Stop ring; 111. Stop groove; 112. Guide surface; 12. Screw hole; 2. Pressure seat; 21. Flexible cantilever; 211. Insertion part; 22. Through hole; 23. Snap-fit ​​groove; 3. Adsorption plate; 31. Stud; 4. Hook. Detailed Implementation

[0026] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0027] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. At the same time, the terms "first", "second", etc., are only used to distinguish the names of various components and do not have a primary or secondary relationship. Therefore, they should not be construed as limitations on this utility model.

[0028] like Figures 1-6 As shown, this utility model discloses a knob tightening structure with a stop mechanism: it includes a knob cap 1, a pressure base 2, and an adsorption plate 3. A stud 31 is located at the center of the top of the adsorption plate 3. The pressure base 2 has a through hole 22 penetrating its upper and lower ends. The end face of the knob cap 1 facing the pressure base 2 has a screw hole 12 that matches the stud 31. The stud 31, through hole 22, and screw hole 12 are coaxially arranged. The free end of the stud 31 passes through the through hole 22 and is threadedly connected to the screw hole 12. When the user screws the knob cap 1, the stud 31 pulls up the middle of the adsorption plate 3, and simultaneously, the outer edge of the knob cap 1 presses the pressure base 2 firmly against the outer edge of the adsorption plate 3, thus ensuring stable adhesion to the wall. A locking groove 23 can be provided on the outer peripheral wall of the pressure base 2 to engage a hook 4, facilitating the hanging of items.

[0029] For example Figure 3 and Figure 4As shown, a stop ring 11 is provided on one end face of the cap 1 facing the pressure seat 2. The stop ring 11 is provided with a number of stop grooves 111 evenly spaced along its circumference. The stop grooves 111 extend along the axial direction of the stop ring 11 and penetrate its free end face. The pressure seat 2 is provided with an elastic cantilever 21 extending toward the cap 1. The free end of the elastic cantilever 21 is inserted into one of the stop grooves 111.

[0030] This invention features a stop groove 111 on the cap 1 and an elastic cantilever 21 on the pressure seat 2. When the user screws the cap 1, the elastic cantilever 21 located in the stop groove 111 rotates synchronously, is squeezed out of the current stop groove 111, and is engaged in the next stop groove 111, thus providing the user with a stop feel and improving the user experience. In addition, after the cap 1 is tightened, a certain locking force can be generated by the cooperation of the elastic cantilever 21 and the stop groove 111 to prevent the cap 1 from automatically rotating back, thereby preventing the connection from becoming loose.

[0031] The stop ring 11 is arranged in a wavy ring shape, so that an arc-shaped guide surface 112 is formed between two adjacent stop grooves 111. The guide surface 112 has the same curvature as the stop groove 111, which can make the screw cap 1 rotate more smoothly and prevent the elastic cantilever 21 from getting stuck between the two stop grooves 111. After this arrangement, stop grooves 111 are formed on both the inner and outer peripheral walls of the stop ring 11 (that is, the stop groove 111 on the inner peripheral wall of the stop ring 11 corresponds to the guide surface 112 on its outer peripheral wall, and the guide surface 112 on the inner peripheral wall of the stop ring 11 corresponds to the stop groove 111 on its outer peripheral wall). The elastic cantilever 21 can be connected to the stop groove 111 on the inner or outer peripheral wall of the stop ring 11 as needed.

[0032] For example Figure 3 As shown in Figure 5, the two ends of the side wall of the elastic cantilever 21 facing the stop groove 111 are rounded, which can reduce the resistance when the cap 1 is screwed on.

[0033] The free end of the elastic cantilever 21 has two interlocking portions 211 extending along the axial direction of the pressure seat 2 and spaced apart. The distance between the two interlocking portions 211 is the same as the distance between two adjacent stop grooves 111, and the two interlocking portions 211 are inserted into the two adjacent stop grooves 111. Since the elastic cantilever 21 is squeezed out of the stop grooves 111 during the screwing of the cap 1, it may break after long-term use. Therefore, the free end of the elastic cantilever 21 is split into two interlocking portions 211, so that even if one breaks, the other can still maintain its normal function.

[0034] Preferably, there are two elastic cantilever arms 21, which are symmetrically arranged on the pressure seat 2, so that the force is more even when the cap 1 is screwed on. The pressure seat 2, elastic cantilever arms 21 and plug-in part 211 are integrally injection molded, which can reduce the processing and assembly processes, thereby saving costs.

[0035] In addition to the above-described embodiments, the knob tightening structure of this utility model can also reverse the positions of the stop ring 11 and the elastic cantilever 21, that is, the stop ring 11 is set on the end face of the pressure seat 2 facing the cover 1, and the elastic cantilever 21 is set on the end face of the cover 1 facing the pressure seat 2. The principle is the same as the above structure, and it can still realize its stop function.

[0036] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

Claims

1. A knob tightening structure with a stop mechanism, comprising a cap (1), a pressure seat (2), and an adsorption plate (3), wherein the top of the adsorption plate (3) passes through the pressure seat (2) and is threadedly connected to the cap (1); characterized in that: The cap (1) is provided with a stop ring (11) on one end face facing the pressure seat (2). The stop ring (11) is provided with a plurality of stop grooves (111) evenly spaced along its circumference. The stop grooves (111) extend along the axial direction of the stop ring (11) and penetrate its free end face. The pressure seat (2) is provided with an elastic cantilever (21) extending toward the cap (1). The free end of the elastic cantilever (21) is inserted into one of the stop grooves (111).

2. The knob tightening structure with a stop mechanism according to claim 1, characterized in that: The stop ring (11) is arranged in a wave-like shape, so that an arc-shaped guide surface (112) is formed between two adjacent stop grooves (111), and the guide surface (112) has the same curvature as the stop groove (111).

3. The knob-tightening structure with a gear feeling according to claim 2, characterized in that: The elastic cantilever (21) has rounded corners at both ends of the side wall facing the stop groove (111).

4. The knob-tightening structure with a gear feeling according to claim 1 or 3, characterized in that: The free end of the elastic cantilever (21) is provided with two insertion parts (211) that extend along the axial direction of the pressure seat (2) and are spaced apart. The distance between the two insertion parts (211) is the same as the distance between two adjacent stop slots (111). The two insertion parts (211) are inserted into two adjacent stop slots (111).

5. The knob-tightening structure with a gear feeling according to claim 4, characterized in that: There are two elastic cantilever arms (21), which are symmetrically arranged on the pressure seat (2).

6. The knob-tightening structure with a gear feeling according to claim 5, characterized in that: The pressure seat (2), elastic cantilever (21) and plug-in part (211) are integrally formed.

7. The knob-tightening structure with a gear feeling according to claim 1, characterized in that: The adsorption plate (3) has a stud (31) at the top center. The pressure seat (2) has a through hole (22) that passes through its upper and lower end faces. The screw cap (1) has a screw hole (12) that matches the stud (31) on one end face facing the pressure seat (2). The free end of the stud (31) passes through the through hole (22) and is threadedly connected to the screw hole (12).

8. The knob-tightening structure with a gear feeling according to claim 7, characterized in that: The stud (31), through hole (22) and screw hole (12) are arranged on the same axis.

9. The knob-tightening structure with a gear feeling according to claim 1, characterized in that: The outer peripheral wall of the pressure seat (2) is provided with a snap-fit ​​groove (23), and a hook (4) is snapped into the snap-fit ​​groove (23).

10. The knob-tightening structure with a gear feeling according to claim 1, characterized in that: The stop ring (11) is disposed on the end face of the pressure seat (2) facing the cap (1), and the elastic cantilever (21) is disposed on the end face of the cap (1) facing the pressure seat (2).

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