A sound-generating resilient piece, a sound-generating resilient structure and a quick-connect joint

Abstract

The present invention discloses a sound - generating resilient piece, a sound - generating resilient structure and a quick - connector, which relate to the technical field of automotive parts. It includes a quick - connector body. An open receiving cavity is arranged in the quick - connector body, and a central bottom hole is arranged on the inner bottom wall of the receiving cavity. A sound - generating resilient piece, a pressing piece and an assembly lining core are sequentially arranged in the receiving cavity from bottom to top. The sound - generating resilient piece includes a first sheet - shaped body for blocking the central bottom hole. The middle part of the first sheet - shaped body has a raised part bulging upward, and a first central through - hole communicating with the central bottom hole is arranged on the raised part. A plurality of positioning claws are arranged at the edge of the first sheet - shaped body. The assembly lining core includes a tube body. A limiting seat is arranged at one end of the tube body, and a socket part for inserting a nylon tube is arranged on the limiting seat. The pressing piece includes a second sheet - shaped body installed at the bottom of the limiting seat for pressing the positioning claws. A second central through - hole is arranged in the middle of the second sheet - shaped body, and the aperture of the second central through - hole is larger than that of the first central through - hole.

Description

Technical Field

[0001] The present invention relates to the technical field of automotive parts, and more specifically, to a sound - generating resilient piece, a sound - generating resilient structure and a quick - connect fitting. Background Art

[0002] With the development of the automotive industry, quick - connect fittings have been widely used in the pneumatic braking pipeline system of the chassis of new - energy commercial vehicles, which have the advantages of quick connection, reliable sealing and high assembly efficiency.

[0003] Deficiencies of the prior art:

[0004] 1. With the full promotion and popularization of product use, it is impossible to visually judge whether the quick - connect fitting is inserted in place during insertion. If it is not inserted in place, it will cause air leakage and disengagement of the quick - connect fitting.

[0005] 2. The tolerance rate of the insertion depth is low, and the matching insertion - depth marking is cumbersome and time - consuming. Summary of the Invention

[0006] Aiming at the defects existing in the prior art, the purpose of the present invention is to provide a sound - generating resilient piece, a sound - generating resilient structure and a quick - connect fitting. By adding a sound - generating resilient structure, when a nylon tube is inserted into the quick - connect fitting for assembly, after the nylon tube is inserted to the bottom, an obvious and clear sound will be emitted, and an obvious rebound can be felt by hand. At this time, it can be visually judged whether the nylon tube is inserted into the quick - connect fitting in place, avoiding the phenomena of air leakage and disengagement of the quick - connect fitting caused by improper insertion. At the same time, because the insertion depth (whether it is inserted to the bottom) can be judged by whether a sound is emitted, the tolerance rate is greatly improved, and there is no need to engrave marks on the matching nylon tube to judge whether it is inserted to the bottom, reducing the assembly man - hours.

[0007] To achieve the above - mentioned purpose, the technical solution adopted by the present invention is: a sound - generating resilient piece, the sound - generating resilient piece includes a first sheet - like body, the middle part of the first sheet - like body has a raised part bulging upward, and a first central through - hole is arranged on the raised part; a plurality of positioning claws are arranged at the edge of the first sheet - like body.

[0008] Further improvement lies in that: four positioning claws are provided, and they are arranged at equal intervals along the circumferential direction of the first sheet - like body.

[0009] Further improvement lies in that: the sound - generating resilient piece is made of a steel thin sheet.

[0010] Further improvement lies in that: the thickness of the first sheet - like body is 0.12 mm, and the raised height is 1.1 mm.

[0011] The present invention also provides a sound - generating and resilient structure, which includes the sound - generating and resilient sheet as described above, and also includes a pressing sheet. The pressing sheet includes a second sheet - like body for pressing and positioning the claw. A second central through - hole is provided in the middle of the second sheet - like body, and the aperture of the second central through - hole is larger than that of the first central through - hole.

[0012] A further improvement lies in that: it further includes an assembly lining core. The assembly lining core includes a tube body. A limiting seat is provided at one end of the tube body, and the limiting seat is provided with a socket part for inserting a nylon tube; the second sheet - like body is installed at the bottom of the limiting seat.

[0013] A further improvement lies in that: a plurality of clamping blocks are provided on the second sheet - like body, and the limiting seat is provided with clamping grooves adapted to the clamping blocks.

[0014] A further improvement lies in that: the pressing sheet and the assembly lining core are made of plastic or metal materials.

[0015] A further improvement lies in that: the aperture of the second central through - hole is adapted to the outer diameter of the tube body.

[0016] The present invention also provides a quick - connect fitting, which includes a quick - connect fitting body. An open receiving cavity is provided in the quick - connect fitting body, and a central bottom hole is provided on the inner bottom wall of the receiving cavity. The sound - generating and resilient structure as described above is provided in the receiving cavity.

[0017] The beneficial effects of the present invention are as follows:

[0018] 1. In the present invention, when assembling the nylon tube, the operator can visually judge whether the insertion is in place, avoiding the problems of air leakage and disengagement of the quick - connect fitting caused by improper insertion (because after using the new structure, when the nylon tube is inserted to the bottom, an obvious and clear sound will be emitted, and an obvious rebound can be felt on the hand).

[0019] 2. After using the new structure in the present invention, there is no problem of error tolerance, and there is no need to engrave marks on the supporting nylon tube anymore. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic structural diagram of the sound - generating and resilient sheet, the sound - generating and resilient structure and the quick - connect fitting in the embodiment of the present invention;

[0021] Figure 2 It is a perspective view of the sound - generating and resilient sheet in the embodiment of the present invention;

[0022] Figure 3 It is a front view of the sound - generating and resilient sheet in the embodiment of the present invention;

[0023] Figure 4 It is a bottom view of the sound - generating and resilient sheet in the embodiment of the present invention;

[0024] Figure 5Isometric view of the tablet in the embodiment of the present invention;

[0025] Figure 6 Front view of the tablet in the embodiment of the present invention;

[0026] Figure 7 Bottom view of the tablet in the embodiment of the present invention;

[0027] Figure 8 Isometric view of the assembled liner core in the embodiment of the present invention;

[0028] Figure 9 Cross-sectional view of the assembled liner core in the embodiment of the present invention;

[0029] Figure 10 Top view of the assembled liner core in the embodiment of the present invention.

[0030] Reference numerals:

[0031] 1 - Quick - connect joint body; 11 - Central bottom hole; 2 - Sound - generating and resilient sheet; 21 - First sheet - like body; 22 - First central through - hole; 23 - Positioning claw; 3 - Tablet; 31 - Second sheet - like body; 32 - Second central through - hole; 33 - Clamping block; 4 - Assembled liner core; 41 - Tube body; 42 - Limiting seat; 43 - Socket part; 44 - Card slot; 5 - Support seat; 6 - Snap ring; 7 - Compression sleeve; 8 - Tube - pulling sleeve. Detailed implementation manners

[0032] The embodiments of the present invention will be described in detail below. The illustrated embodiments are shown in the accompanying drawings, where the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout.

[0033] In the description of the present invention, it should be noted that for the orientation terms, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the indicated orientation and positional relationships are based on the orientation or positional relationships shown in the accompanying drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific protection scope of the present invention.

[0034] In addition, terms such as "first" and "second" are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of technical features. Thus, features defined as "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, the meanings of "several" and "a number of" are two or more, unless otherwise specifically defined.

[0035] The following further describes the specific embodiments of the present invention in conjunction with the accompanying drawings of the specification, making the technical solutions and their beneficial effects of the present invention clearer and more definite. The embodiments described below by referring to the accompanying drawings are exemplary and are intended to explain the present invention, and should not be construed as limiting the present invention.

[0036] See Figure 1 As shown, an embodiment of the present invention provides a sound - generating resilient sheet, a sound - generating resilient structure and a quick - plug connector, including a quick - plug connector body 1. An open receiving cavity is provided inside the quick - plug connector body 1, and a central bottom hole 11 is provided on the inner bottom wall of the receiving cavity. A sound - generating resilient sheet 2, a pressing sheet 3 and an assembly core 4 are sequentially arranged in the receiving cavity from bottom to top. Specifically, the sound - generating resilient sheet, the sound - generating resilient structure and the quick - plug connector further include a tube - pulling sleeve 8, a support seat 5 and a pressing sleeve 7. The support seat 5 and the pressing sleeve 7 are sequentially arranged in the receiving cavity. A snap ring 6 is provided inside the support seat 5. The tube - pulling sleeve 8 is inserted into the pressing sleeve 7. The free end of the tube body 41 extends through the snap ring 6 and into the tube - pulling sleeve 8.

[0037] See Figures 2 to 4 As shown, the sound - generating resilient sheet 2 includes a first sheet - like body 21 for blocking the central bottom hole 11. A raised portion is provided upward in the middle of the first sheet - like body 21, and a first central through - hole 22 communicating with the central bottom hole 11 is provided in the raised portion. A number of positioning claws 23 are provided at the edge of the first sheet - like body 21. Specifically, four positioning claws 23 are provided and are equidistantly spaced along the circumferential direction of the first sheet - like body 21. The sound - generating resilient sheet 2 is made of a steel thin sheet (similar to a "dome switch"). In this embodiment, the thickness of the first sheet - like body 21 is 0.12 mm, and the raised height is 1.1 mm.

[0038] See Figures 8 to 10 As shown, the assembly core 4 includes a tube body 41. A limiting seat 42 is provided at one end of the tube body 41, and an insertion port portion 43 for inserting a nylon tube is provided on the limiting seat 42. Specifically, a number of clamping blocks 33 are provided on the second sheet - like body 31, and a clamping groove 44 adapted to the clamping blocks 33 is provided on the limiting seat 42.

[0039] See Figures 5 to 7As shown in the figure, the pressing piece 3 includes a second sheet body 31 installed at the bottom of the limit seat 42 for pressing the positioning claw 23. A second central through hole 32 is provided in the middle of the second sheet body 31, and the aperture of the second central through hole 32 is larger than that of the first central through hole 22. Specifically, the pressing piece 3 and the assembly core 4 are made of plastic or metal materials. The aperture of the second central through hole 32 is adapted to the pipe diameter of the pipe body 41.

[0040] The working principle of the present invention is as follows:

[0041] During installation, first insert the clamping block of the pressing piece into the bottom slot of the assembly core, then vertically place the sound-generating and spring-back piece into the central bottom hole of the quick-connect fitting (with the arched end of the sound-generating and spring-back piece facing upward), and then install the assembly core with the pressing piece installed into the central bottom hole of the quick-connect fitting.

[0042] When inserting the nylon tube into the quick-connect fitting for assembly, after the nylon tube is inserted to the bottom, an obvious clear sound will be emitted, and an obvious spring-back can be felt by hand. At this time, it can be visually judged whether the nylon tube is inserted into the quick-connect fitting in place, avoiding the air leakage and detachment phenomena of the quick-connect fitting caused by improper insertion. At the same time, because the insertion depth (whether it is inserted to the bottom) can be judged by whether a sound is emitted, the error tolerance rate is greatly improved, and there is no need to engrave marks on the matching nylon tube to judge whether it is inserted to the bottom, reducing the assembly working hours.

[0043] In the description of the specification, the description with reference to terms such as "one embodiment", "preferably", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. The schematic expressions of the above terms in this specification do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0044] Through the description of the above structure and principle, those skilled in the art should understand that the present invention is not limited to the above specific implementation manners. The improvements and substitutions using the well-known technologies in the art on the basis of the present invention all fall within the protection scope of the present invention, which should be defined by each claim.

Claims

1. A sound - generating and resilient structure, comprising a sound - generating resilient sheet (2). The sound - generating resilient sheet (2) includes a first sheet - like body (21). The middle of the first sheet - like body (21) has a raised portion that bulges upward, and a first central through - hole (22) is provided in the raised portion. A number of positioning claws (23) are provided at the edge of the first sheet - like body (21). Characterized in that: It further includes a pressing sheet (3). The pressing sheet (3) includes a second sheet - like body (31) for pressing the positioning claws (23). A second central through - hole (32) is provided in the middle of the second sheet - like body (31), and the aperture of the second central through - hole (32) is larger than that of the first central through - hole (22). It further includes an assembly lining core (4). The assembly lining core (4) includes a tube body (41). One end of the tube body (41) is provided with a limit seat (42). The limit seat (42) is provided with a socket part (43) for inserting a nylon tube. The second sheet - like body (31) is installed at the bottom of the limit seat (42). A number of clamping blocks (33) are provided on the second sheet - like body (31), and the limit seat (42) is provided with a clamping groove (44) adapted to the clamping blocks (33).

2. The sound - generating and resilient structure according to claim 1, Characterized in that: Four positioning claws (23) are provided, which are equidistantly spaced along the circumferential direction of the first sheet - like body (21).

3. The sound - generating and resilient structure according to claim 1, Characterized in that: The sound - generating resilient sheet (2) is made of a steel thin sheet.

4. The sound - generating and resilient structure according to claim 1, Characterized in that: The thickness of the first sheet - like body (21) is 0.12 mm, and the raised height is 1.1 mm.

5. The sound - generating and resilient structure according to claim 1, Characterized in that: The pressing sheet (3) and the assembly lining core (4) are made of plastic or metal materials.

6. The sound - generating and resilient structure according to claim 1, Characterized in that: The aperture of the second central through - hole (32) is adapted to the outer diameter of the tube body (41).

7. A quick - connect fitting, comprising a quick - connect fitting body (1). An open receiving cavity is provided inside the quick - connect fitting body (1), and a central bottom hole (11) is provided on the inner bottom wall of the receiving cavity. Characterized in that: The receiving cavity is provided with the sound - generating and resilient structure according to any one of claims 1 - 6.

Images