SILENT TRANSMISSION ROD

Abstract

A silent transmission rod configured to be mounted in a notch (310) of a profile (300), comprising a transmission rod base (10) and a bearing base, wherein the bearing base (20) is made of plastic, the transmission rod base (10) is provided with a mounting groove, the bearing base (20) is mounted in the mounting groove, one side of the bearing base (20) away from the mounting groove (11) is provided with a first protrusion, opposite ends of the bearing base (20) extend out of the mounting groove (11) and form two second protrusions (22), one side of the bearing base (20) away from the first protrusion (21) is provided with two third protrusions (23), the two third protrusions (23) are located adjacent opposite ends of the bearing base, the base transmission rod (10) is located between the two third projections (23), the first projection,the two second protrusions (22), and the two third protrusions (23) allow the transmission rod base (10) to be suspended in the notch, and the transmission rod base (10) is spaced from a side wall of the notch.,

Description

Title of the invention: SILENT TRANSMISSION ROD Technical field

[0001] The present application relates to accessories for doors and windows, and in particular to a silent transmission rod. TECHNOLOGICAL BACKGROUND

[0002] In the technical field of doors and windows, transmission rods are a common component configured to drive the opening and closing of doors and windows. For the sake of user comfort, products with better silencing effects are generally selected. However, conventional transmission rods are prone to generate noise due to friction between metal and metal during the opening and closing process, which not only affects the user comfort of doors and windows, but may also affect a nearby environment. In order to solve the above problems, a damping mechanism is provided on the transmission rod. The damping mechanism generally includes a damping spring, a damping pad, etc., which can reduce noise by absorbing vibration of the transmission rod in operation.However, the damping mechanism can only reduce noise to a certain extent, and cannot completely eliminate noise.

[0003] SUMMARY

[0004] The purpose of the present application is to provide a silent transmission rod to solve a technical problem of transmission rods in the prior art which are likely to generate noise due to friction between metal and metal during the opening and closing process, which affects the comfort of using doors and windows, and may also affect a nearby environment.

[0005] A silent transmission rod configured to be mounted in a notch of a profile is provided. The silent transmission rod includes a transmission rod base and a pad base. The pad base is made of plastic, the transmission rod base is provided with a mounting groove, the pad base is mounted in the mounting groove, one side of the pad base away from the mounting groove is provided with a first protrusion, opposite ends of the pad base extend out of the mounting groove and form two second protrusions, one side of the pad base away from the first protrusion is provided with two third protrusions, the two third protrusions are located adjacent to opposite ends of the bearing base, the transmission rod base is located between the two third protrusions, and the first protrusion, the two second protrusions, the first protrusion, the two second protrusions, and the two third protrusions allow the transmission rod base to be suspended in the notch, and the transmission rod base is spaced from a sidewall of the notch.

[0006] In one embodiment, the first projection includes two arc arms each having an arc bridge shape, and a middle portion of each arc arm projects in a direction away from the transmission rod base.

[0007] In one embodiment, one end of each second projection is provided with a convex curved surface, and a middle portion of the convex curved surface projects from a side edge of the transmission rod base.

[0008] In one embodiment, a distance between upper portions of two convex curved surfaces of the two second protrusions is 20.5 mm, and a width of the notch is 20 mm.

[0009] In one embodiment, the third projection is provided on the second projection and is configured to contact the sidewall of the notch.

[0010] In one embodiment, a distance between an upper portion of the first protrusion and a lower surface of the third protrusion is 3 mm, and a height of the notch is 3 mm.

[0011] In one embodiment, the transmission rod base includes a connecting member provided in the mounting groove, and the connecting member is connected to the bearing base, such that the bearing base is mounted in the mounting groove.

[0012] In one embodiment, the connecting member is a connecting shaft, the bearing base is provided with a shaft hole corresponding to the connecting shaft, and the connecting shaft is in an interference fit with the shaft hole to secure the bearing base to the transmission rod base.

[0013] In one embodiment, two pad bases and two mounting grooves are provided, and the two pad bases are spaced apart in the two mounting grooves, respectively.

[0014] In one embodiment, a locking point cover and a locking point shaft are connected to the transmission rod base, the locking point cover and the locking point shaft are configured to be connected to a locking block of the profile, the locking point cover is connected to one end of the locking point shaft, and one end of the locking point shaft remote from the locking point cover extends through the transmission rod base and is secured to the transmission rod base by riveting.

[0015] The above one or more technical solutions of the silent transmission rod provided by the embodiment of the present application have at least one of the following technical effects. According to the silent transmission rod provided by the embodiment of the present application, the first protrusion and the third protrusion cooperatively enable the transmission rod base to be suspended in an up-down direction and spaced apart from the side wall of the notch, and the second protrusion enables a left side and a right side of the transmission rod base to be spaced apart from the side wall of the notch. In this way, instead of the transmission rod base being in contact with the side wall of the notch, the pad base is in contact with the side wall of the notch.Since the base of the bushing is made of plastic, friction between metal and metal becomes friction between plastic and metal, the noise during use of the transmission rod is effectively reduced, and the problem of noise being relatively large during opening and closing of the transmission rod is solved. Brief description of the drawings.

[0016] To illustrate more clearly the technical solutions in the embodiments of the present application or in the prior art, the accompanying drawings for describing the embodiments or the prior art are briefly shown in the following. Apparently, the accompanying drawings in the following description are only some embodiments of the present application, and the person skilled in the art can deduce other drawings from the accompanying drawings without creative effort.

[0017] [Fig.l] is a perspective view of a silent transmission rod according to one embodiment of the present application.

[0018] [Fig.2] is similar to [Fig.l], but seen from another aspect.

[0019] [Fig.3] is an exploded view of the silent transmission rod of [Fig.2].

[0020] [Fig.4] is a top view of the silent transmission lever of [Fig.l].

[0021] [Fig.5] is a perspective view of a pad base shown in the [Fig.l].

[0022] [Fig.6] is a side view of the pad base of [Fig.5].

[0023] [Fig.7] is a schematic view of the silent transmission rod of [Fig.l] mounted in a notch.

[0024] [Fig.8] is an enlarged view of part A of [Fig.7].

[0025] Numerical references:

[0026] 10. Transmission rod base; 11. Mounting groove; 20. Bearing base; 21. First projection; 22. Second projection; 23. Third projection; 24. Shaft hole; 30. Connecting element; 40. Locking point cover; 50. Locking point shaft locking; 211. Arc-shaped curved surface; 221. Convex curved surface; 300. Profile; 310. Notch.

[0027] DETAILED DESCRIPTION OF THE EMBODIMENTS

[0028] Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings. Identical or similar reference numerals indicate identical or similar elements or elements having identical or similar functions throughout the description. The embodiments described below with reference to FIGS. 1 to 8 are examples and are intended to explain the embodiments of the present application, and are not intended to limit the present application.

[0029] In the description of the present application, it is to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "upper", "lower", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" are based on the azimuths or positional relationships shown in the accompanying drawings.These terms are solely for the convenience of describing this application and simplifying the description, rather than to indicate or imply that the devices or elements indicated must have the specific azimuths, or be constructed or operated in the specific azimuths, and therefore these terms cannot be understood as limitations of this application.

[0030] Furthermore, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as an indication or an implication of relative importance or an implicit indication of the number of technical features indicated. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present application, "plurality" means at least two, such as two, three, etc., unless expressly and specifically defined otherwise.

[0031] In this application, unless otherwise expressly specified and limited, the terms "mount," "connect," "couple," "secure," and the like are to be interpreted broadly. For example, the terms may mean fixed connection, detachable connection, or integration. The terms may mean a mechanical connection or an electrical connection. The terms may mean a direct or indirect connection via an intermediate support. The terms may mean a connection within two members or an interacting relationship between two members, unless otherwise limited. express. For those skilled in the art, the specific meaning of the above terms in the present application should be understood in accordance with the specific situation.

[0032] In one embodiment of the present application, as shown in Figures 1-8, a silent transmission rod is provided, which is configured to be mounted in a notch 310 of a profile 300 and connected to a locking block of the profile 300. The silent transmission rod includes a transmission rod base 10 and a pad base 20. The transmission rod base 10 is provided with a mounting groove 11. The pad base 20 is mounted in the mounting groove 11 and opposite ends of the pad base 20 extend out of the mounting groove 11. The pad base 20 may be made of plastic. One side of the pad base 20 away from the mounting groove 11 is provided with a first protrusion 21, and the first protrusion 21 is in contact with a side wall of the notch 310.The opposite ends of the bearing base 20 extend out of the mounting groove 11 and form two second protrusions 22. Both sides of each second protrusion 22 are in contact with the side wall of the notch 310. One side of the bearing base 20 away from the first protrusion 21 is provided with two third protrusions 23, and the two third protrusions 23 are located adjacent to the opposite ends of the bearing base 20. The transmission rod base 10 is located between the two third protrusions 23. The two third protrusions 23 are in contact with the side wall of the notch 310. The first protrusion 21, the second protrusion 22, and the third protrusion 23 are in contact with the side wall of the notch 310, so that the transmission rod base 10 is suspended in the notch 310, and the transmission rod base 10 is spaced from the side wall of the notch 310.

[0033] More specifically, the first protrusion 21 and the third protrusion 23 cooperatively enable the transmission rod base 10 to be suspended in an up-down direction and spaced apart from the side wall of the notch 310, and the second protrusion 22 enables a left side and a right side of the transmission rod base 10 to be spaced apart from the side wall of the notch 310. In this way, instead of the transmission rod base 10 being in contact with the side wall of the notch 310, the pad base 20 is in contact with the side wall of the notch 310. Since the pad base 20 is made of plastic, friction between metal and metal becomes friction between plastic and metal, noise during use of the transmission rod is effectively reduced, and the problem of noise which is relatively large during opening and closing of the rod transmission is resolved.

[0034] In this embodiment, as shown in FIGS. 2 to 8, the first projection 21 includes two arcuate arms each having the shape of an arcuate bridge. A middle portion of each arcuate arm projects in a direction away from the transmission rod base 10. More specifically, an outer surface of the arcuate arm is an arc-shaped curved surface 211, and an upper portion of the arc arm is in contact with the side wall of the notch 310, so as to reduce friction between the pad base 20 and the side wall of the notch 310, thereby reducing noise.

[0035] In this embodiment, as shown in FIGS. 1 to 5 and FIGS. 7 to 8, one end of each second projection 22 is provided with a convex curved surface 221, and a middle portion of the convex curved surface 221 protrudes from a side edge of the transmission rod base 10. More specifically, an upper portion of the convex curved surface 221 is in contact with the side wall of the notch 310, so as to reduce friction between the bearing base 20 and the side wall of the notch 310, thereby reducing noise.

[0036] In this embodiment, as shown in Figs. 4, [Fig. 7] and [Fig. 8], a distance between the upper portions of two convex curved surfaces 221 of the two second protrusions 22 is 20.5 mm, and a width of the notch 310 is 20 mm. Specifically, a maximum width of the pad base 20 is 20.5 mm, and the width of the notch 310 is 20 mm, so that the convex curved surfaces 221 of the two second protrusions 22 are pressed by the side walls of the notch 310, so as to prevent the transmission rod base 10 from being in contact with the side wall of the notch 310, and to change the friction between metal and metal into a friction between metal and plastic.

[0037] In this embodiment, as shown in Figures 5, [Fig.7] and [Fig.8], the third projection 23 is provided on the second projection 22 and is in contact with the side wall of the notch 310. More specifically, the third projection 23 is provided on the side of each of the two second projections 22 opposite the first projection 21. The third projection 23 is in contact with the side wall of the notch 310, so that one side of the transmission rod base 10 corresponding to the third projection 23 is spaced from the side wall of the notch 310.

[0038] In this embodiment, as shown in Figs. 6, [Fig.7] and [Fig.8], a distance between an upper portion of the first protrusion 21 and a lower surface of the third protrusion 23 is 3 mm, and a height of the notch 310 is 3 mm. Specifically, a thickness of the pad base 20 is 3 mm, and the height of the notch 310 is 3 mm, so that the pad base 20 is tightly fitted with the notch 310, and the transmission rod base 10 is suspended.

[0039] In this embodiment, as shown in [Fig. 3], the transmission rod base 10 includes a connecting member 30 provided in the mounting groove 11. The connecting member 30 is connected to the bearing base 20, so that the bearing base 20 is mounted in the mounting groove 11. More specifically, the element connecting member 30 is configured to fix the pad base 20 to the transmission rod base 10, so as to prevent the pad base 20 from being separated from the transmission rod base 10.

[0040] In this embodiment, as shown in [Fig. 3], the connecting member 30 is a connecting shaft, and the bearing base 20 is provided with a shaft hole 24 corresponding to the connecting shaft. The connecting shaft is in an interference fit with the shaft hole 24 to fix the bearing base 20 to the transmission rod base 10. More specifically, two connecting shafts are provided in the mounting groove 11. The two connecting shafts are arranged in parallel and are spaced apart from each other, and the two connecting shafts are perpendicular to the transmission rod base 10. The connecting shaft extends through the corresponding shaft hole 24 in an interference fit to connect the transmission rod base 10 to the bearing base 20.

[0041] In this embodiment, as shown in FIGS. 1 to 4, two pad bases 20 and two mounting grooves 11 are provided, and the two pad bases 20 are spaced apart in the two mounting grooves 11, respectively. More specifically, two mounting grooves 11 are provided and are spaced apart on the transmission rod base 10. The two pad bases 20 are in contact with the side wall of the notch 310, so that friction between plastic and metal is achieved, thereby reducing noise.

[0042] In this embodiment, as shown in Figures 1 to 4, a locking point cover 40 and a locking point shaft 50 are connected to the transmission rod base 10. The locking point cover 40 and the locking point shaft 50 are configured to be connected to the locking block of the profile. The locking point cover 40 is connected to one end of the locking point shaft 50. One end of the locking point shaft 50 remote from the locking point cover 40 extends through the transmission rod base 10 and is secured to the transmission rod base 10 by riveting.

[0043] The foregoing descriptions are only specific embodiments of the present application, but are not intended to limit the scope of protection of the present application. Any variation or replacement readily found by those skilled in the art within the technical scope disclosed in the present application all fall within the scope of protection of the present application.

Claims

Claims

1. A silent transmission rod configured to be mounted in a notch (310) of a profile (300), comprising a transmission rod base (10) and a bearing base, wherein the bearing base (20) is made of plastic, the transmission rod base (10) is provided with a mounting groove, the bearing base (20) is mounted in the mounting groove, one side of the bearing base (20) away from the mounting groove (11) is provided with a first protrusion, opposite ends of the bearing base (20) extend out of the mounting groove (11) and form two second protrusions (22), one side of the bearing base (20) away from the first protrusion (21) is provided with two third protrusions (23), the two third protrusions (23) are located adjacent opposite ends of the bearing base, the transmission rod base (10) is located between the two third projections (23), the first projection,the two second protrusions (22), and the two third protrusions (23) allow the transmission rod base (10) to be suspended in the notch, and the transmission rod base (10) is spaced from a side wall of the notch.,

2. A silent transmission rod according to claim 1, characterized in that the first projection (21) comprises two arc arms each having the shape of an arc bridge, and a middle portion of each arc arm projects in a direction away from the transmission rod base.

3. A silent transmission rod according to claim 1, characterized in that one end of each second projection (22) is provided with a convex curved surface, and a middle portion of the convex curved surface (221) projects from a side edge of the transmission rod base.

4. A silent transmission rod according to claim 3, characterized in that a distance between upper portions of two convex curved surfaces of the two second projections is 20.5 mm, and a width of the notch is 20 mm.

5. A silent transmission rod according to claim 1, characterized in that the third projection (23) is provided on the second projection (22) and is configured to be in contact with the side wall of the notch.

6. A silent transmission rod according to claim 1, characterized in that a distance between an upper portion of the first projection (21) and a lower surface of the third projection (23) is 3 mm, and a height of the notch is 3 mm.

7. A silent transmission rod according to claim 1, characterized in that the transmission rod base (10) comprises a connecting member (30) provided in the mounting groove, and the connecting member (30) is connected to the bearing base, so that the bearing base (20) is mounted in the mounting groove.

8. A silent transmission rod according to claim 7, characterized in that the connecting member (30) is a connecting shaft, the bearing base (20) is provided with a shaft hole (24) corresponding to the connecting shaft, and the connecting shaft is in interference fit with the shaft hole (24) to fix the bearing base (20) to the transmission rod base (10).

9. A silent transmission rod according to claim 1, characterized in that two bearing bases (20) and two mounting grooves (11) are provided, and the two bearing bases (20) are spaced in the two mounting grooves (11), respectively.

10. A silent transmission rod according to claim 1, characterized in that a locking point cover (40) and a locking point shaft (50) are connected to the transmission rod base, the locking point cover (40) and the locking point shaft (50) are configured to be connected to a locking block of the profile, the locking point cover (40) is connected to one end of the locking point shaft, and one end of the locking point shaft (50) away from the locking point cover (40) extends through the transmission rod base (10) and is fixed to the transmission rod base (10) by riveting.

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