A connector and handrail frame using the same

Abstract

The utility model provides a connector and an armrest frame used therein, comprising an upper connecting seat, a first connecting rod, a second connecting rod and a lower connecting seat, wherein the upper end of the first connecting rod is hinged to the upper connecting seat, the lower end is hinged to the middle section of the second connecting rod, and the lower end of the second connecting rod is hinged to the lower connecting seat; the connector of the utility model is provided with an articulated multi-link structure, and the entire connector is extended and folded in the length direction by rotating each connecting rod, thereby realizing the transformation of the overall length of the connector, and the connector is installed between two armrest frames so that the distance between the two armrest frames can be adjusted, and a locking piece is provided to lock the connector in its extended state, thereby ensuring the stability of the overall structure of the armrest frame, and solving the technical problem in the prior art that the two armrest frame panels are fixedly connected by a connecting structure and the distance between the two is difficult to adjust.

Description

Technical Field

[0001] The utility model relates to the technical field of connectors, in particular to a connector and an applied handrail frame thereof. Background Art

[0002] The connection structure is usually used to connect two components, such as connecting two handrail frame panels through a connector. However, for specific usage scenarios, it is required to be able to adjust the distance between the two handrail frame panels, which requires the connector between them to have telescopic and locking functions. Utility Model Content

[0003] The purpose of the utility model is to address the deficiencies of the prior art and to provide a connector and an armrest frame using the same. The connector is provided with an articulated multi-link structure, and the entire connector is extended and folded in the length direction by rotating each link, thereby realizing the change of the overall length of the connector. The connector is installed between two armrest frames so that the distance between the two armrest frames can be adjusted, and a locking piece is provided to lock the connector in its extended state, thereby ensuring the stability of the overall structure of the armrest frame, and solving the technical problem in the prior art that the two armrest frame panels are fixedly connected by a connecting structure and the distance between the two is difficult to adjust.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A connector comprises: an upper connecting seat, a first connecting rod, a second connecting rod and a lower connecting seat; wherein the upper end of the first connecting rod is hinged to the upper connecting seat, the lower end is hinged to the middle section of the second connecting rod, the lower end of the second connecting rod is hinged to the lower connecting seat, and the first connecting rod and the second connecting rod are rotated to convert the connector between an extended state and a folded state.

[0006] Preferably, it further comprises: a locking member, which is inserted between the upper end of the second connecting rod and the upper connecting seat to lock the connector in its extended state.

[0007] Preferably, the locking member is configured as a screw, and screw holes for screwing the locking member are correspondingly provided on the upper end of the second connecting rod and the upper connecting seat.

[0008] Preferably, the locking member is configured as a pin, and a plug hole for plugging the locking member is correspondingly provided on the upper end of the second connecting rod and the upper connecting seat.

[0009] Preferably, the upper end of the second connecting rod is offset in the width direction thereof to cooperate with the upper connecting seat to insert the locking piece.

[0010] Preferably, a limit portion A is protruded from the upper connecting seat in the horizontal direction, and the limit portion A is located on the opposite side of the rotation and folding direction of the first connecting rod. When the connector is in its extended state, the limit portion A abuts against the side of the first connecting rod to prevent the first connecting rod from rotating in the opposite direction.

[0011] Preferably, a limit portion B is protruded from the lower connecting seat in the horizontal direction, and the limit portion B is located on the opposite side of the rotation and folding direction of the second connecting rod. When the connector is in its extended state, the limit portion B abuts against the side of the second connecting rod to prevent the second connecting rod from rotating in the opposite direction.

[0012] The utility model also provides an armrest frame, comprising: an upper armrest plate and a lower armrest plate; and a connector as described in any of the above, wherein the upper connecting seat is connected to the bottom surface of the upper armrest plate, and the lower connecting seat is connected to the top surface of the lower armrest plate.

[0013] Preferably, the upper connecting seat and the upper armrest plate, and the lower connecting seat and the lower armrest plate are connected by welding or by fasteners.

[0014] Preferably, the upper connecting seat and the lower connecting seat are both configured to be "L"-shaped, one side of which is used to connect to the first connecting rod or the second connecting rod respectively, and the other side is used to connect to the upper armrest plate or the lower armrest plate.

[0015] The beneficial effects of the utility model are:

[0016] (1) The connector of the utility model is provided with an articulated multi-link structure, and the entire connector is extended and folded in the length direction by rotating each link, thereby realizing the change of the overall length of the connector. The connector is installed between two armrest frames so that the distance between the two armrest frames can be adjusted;

[0017] (2) The utility model locks the connector in its extended state by setting a locking piece, thereby ensuring the stability of the overall structure of the armrest frame. The locking piece locks the upper connecting seat and the second connecting rod, thereby limiting the free rotation of the first connecting rod and the second connecting rod. The locking stability is high. When the connecting structure is folded, only the locking piece needs to be removed, which is easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of the connector in the utility model in a fully extended state. Figure 1 ;

[0019] Figure 2 This is a schematic diagram of the structure of the connector in the utility model in a fully folded state;

[0020] Figure 3This is a schematic diagram of the structure of the connector in the utility model in a fully extended state. Figure 2 ;

[0021] Figure 4 This is a structural front view of the connector of the utility model in a fully extended state;

[0022] Figure 5 This is a structural schematic diagram of the handrail frame in the utility model in a fully extended state;

[0023] Figure 6 It is a structural schematic diagram of the armrest frame in the utility model in a fully folded state. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships 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 referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0026] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0027] Embodiment 1

[0028] like Figure 1As shown, a connector comprises: an upper connecting seat 1, a first connecting rod 2, a second connecting rod 3 and a lower connecting seat 4; wherein the upper end of the first connecting rod 2 is hinged to the upper connecting seat 1, the lower end is hinged to the middle section of the second connecting rod 3, the lower end of the second connecting rod 3 is hinged to the lower connecting seat 4, and the first connecting rod 2 and the second connecting rod 3 are rotated so that the connector is in an extended state (such as Figure 1 shown) and folded state (as Figure 2 to convert between them.

[0029] In this embodiment, the connector is provided with an articulated multi-link structure, and the entire connector is extended and folded in the length direction by rotating the first link 2 and the second link 3, thereby realizing the change of the overall length of the connector.

[0030] Embodiment 2

[0031] The components of this embodiment that are the same as or corresponding to those in the above embodiment are marked with the same reference numerals as those in the above embodiment. For the sake of simplicity, only the differences from the above embodiment are described below. The differences between this embodiment and the above embodiment are:

[0032] As a preference, Figure 1 , 3 As shown, it also includes: a locking member 5, which is inserted between the upper end of the second connecting rod 3 and the upper connecting seat 1 to lock the connector in its extended state.

[0033] In this embodiment, the connector is locked in its extended state by providing a locking member 5 to ensure the stability of the extended structure, and the locking member 5 locks the upper connecting seat 1 and the second connecting rod 3 to limit the free rotation of the first connecting rod 2 and the second connecting rod 3. The locking stability is high, and when the connecting structure is folded, only the locking member 5 needs to be removed, which is easy to operate.

[0034] Preferably, the locking member 5 is configured as a screw, and screw holes for screwing the locking member 5 are correspondingly provided on the upper end of the second connecting rod 3 and the upper connecting seat 1 .

[0035] Preferably, the locking member 5 is configured as a pin, and a plug hole for plugging the locking member 5 is correspondingly provided on the upper end of the second connecting rod 3 and the upper connecting seat 1 .

[0036] As a preference, Figure 4 As shown, the upper end of the second connecting rod 3 is offset in the width direction thereof to cooperate with the upper connecting seat 1 to insert the locking member 5 .

[0037] Embodiment 3

[0038] The components of this embodiment that are the same as or corresponding to those in the above embodiment are marked with the same reference numerals as those in the above embodiment. For the sake of simplicity, only the differences from the above embodiment are described below. The differences between this embodiment and the above embodiment are:

[0039] As a preference, Figure 1 , 4 As shown, a limit portion A11 is protruded from the upper connecting seat 1 in the horizontal direction, and the limit portion A11 is located on the opposite side of the rotation and folding direction of the first connecting rod 2. When the connector is in its extended state, the limit portion A11 abuts against the side of the first connecting rod 2 to prevent the first connecting rod 2 from rotating in the opposite direction.

[0040] Preferably, a limit portion B41 is protruded from the lower connecting seat 4 in the horizontal direction, and the limit portion B41 is located on the opposite side of the rotation and folding direction of the second connecting rod 3. When the connector is in its extended state, the limit portion B41 abuts against the side of the second connecting rod 3 to prevent the second connecting rod 3 from rotating in the opposite direction.

[0041] In this embodiment, by providing the limiting portion A11 and the limiting portion B41, the first connecting rod 2 or the second connecting rod 3 is prevented from rotating in the opposite direction, thereby further ensuring that the connector remains in its extended structure, thereby improving the structural stability.

[0042] Embodiment 4

[0043] This embodiment provides a handrail frame, such as Figure 5 , 6 As shown, it includes: an upper armrest plate 6 and a lower armrest plate 7; and a connector as described in any of the above, wherein the upper connecting seat 1 is connected to the bottom surface of the upper armrest plate 6, and the lower connecting seat 4 is connected to the top surface of the lower armrest plate 7.

[0044] In this embodiment, a connector is installed between the upper armrest plate 6 and the lower armrest plate 7 of the armrest frame, so that the distance between the two armrest plates can be adjusted, which is easy to operate.

[0045] Preferably, the upper connecting seat 1 and the upper armrest plate 6 as well as the lower connecting seat 4 and the lower armrest plate 7 are connected by welding or by fasteners.

[0046] Preferably, the upper connecting seat 1 and the lower connecting seat 4 are both configured to be "L"-shaped, one side of which is used to connect to the first connecting rod 2 or the second connecting rod 3 respectively, and the other side is used to connect to the upper armrest plate 6 or the lower armrest plate 7.

[0047] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A connector, characterized in that: include: An upper connecting seat (1), a first connecting rod (2), a second connecting rod (3) and a lower connecting seat (4); The upper end of the first connecting rod (2) is hinged to the upper connecting seat (1), and the lower end is hinged to the middle section of the second connecting rod (3); the lower end of the second connecting rod (3) is hinged to the lower connecting seat (4); the first connecting rod (2) and the second connecting rod (3) are rotated to convert the connector between the extended state and the folded state.

2. A connector according to claim 1, characterized in that: Also includes: A locking piece (5) is inserted between the upper end of the second connecting rod (3) and the upper connecting seat (1) to lock the connector in its extended state.

3. A connector according to claim 2, characterized in that: The locking member (5) is configured as a screw, and screw holes for screwing the locking member (5) are correspondingly provided on the upper end of the second connecting rod (3) and the upper connecting seat (1).

4. A connector according to claim 2, characterized in that: The locking member (5) is configured as a pin, and a plug hole for plugging the locking member (5) is correspondingly provided on the upper end of the second connecting rod (3) and the upper connecting seat (1).

5. A connector according to claim 2, characterized in that: The upper end of the second connecting rod (3) is offset in the width direction thereof so as to cooperate with the upper connecting seat (1) to insert the locking member (5).

6. A connector according to claim 1, characterized in that: A limiting portion A (11) is protruded from the upper connecting seat (1) in the horizontal direction. The limiting portion A (11) is located on the opposite side of the rotation and folding direction of the first connecting rod (2). When the connector is in its extended state, the limiting portion A (11) contacts the side of the first connecting rod (2) to prevent the first connecting rod (2) from rotating in the opposite direction.

7. A connector according to claim 1, characterized in that: A limiting portion B (41) is protruded from the lower connecting seat (4) in the horizontal direction. The limiting portion B (41) is located on the opposite side of the rotation and folding direction of the second connecting rod (3). When the connector is in its extended state, the limiting portion B (41) contacts the side of the second connecting rod (3) to prevent the second connecting rod (3) from rotating in the opposite direction.

8. An armrest frame, characterized in that: include: An upper armrest plate (6) and a lower armrest plate (7); as well as A connector as described in any one of claims 1 to 7, wherein the upper connecting seat (1) is connected to the bottom surface of the upper armrest plate (6), and the lower connecting seat (4) is connected to the top surface of the lower armrest plate (7).

9. The handrail frame according to claim 8, characterized in that: The upper connecting seat (1) and the upper armrest plate (6) as well as the lower connecting seat (4) and the lower armrest plate (7) are connected by welding or by fasteners.

10. The handrail frame according to claim 8, characterized in that: The upper connecting seat (1) and the lower connecting seat (4) are both configured to be "L" shaped, one side of which is used to connect to the first connecting rod (2) or the second connecting rod (3) respectively, and the other side of which is used to connect to the upper armrest plate (6) or the lower armrest plate (7).

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