Folding frame of front-back folding type wheel type walking aid

Abstract

A folding frame of a front-back folding type wheel type walking aid comprises a U-shaped main supporting frame, two front bicycle pipes, two rear bicycle pipes and two folding rod sets, a supporting pipe is fixedly arranged between the two front bicycle pipes, a rotatable connecting rod is arranged between the two rear bicycle pipes, the rear end of the U-shaped main supporting frame is fixedly connected with the connecting rod, and the rear end of the U-shaped main supporting frame is fixedly connected with the folding rod sets. Each folding rod set corresponds to one front bicycle pipe, one rear bicycle pipe and one side edge of the U-shaped main supporting frame, the folding rod sets are hinged to the corresponding front bicycle pipes, the corresponding rear bicycle pipes and the corresponding side edge of the U-shaped main supporting frame, and when the two front bicycle pipes and the two rear bicycle pipes are unfolded, the front end of the U-shaped main supporting frame abuts against the tops of the supporting pipes. And when the front end of the U-shaped main supporting frame is lifted upwards, the two folding rod sets are folded upwards. According to the wheel type walking aid, the U-shaped main supporting frame is adopted for supporting the cushion, a user can sit more comfortably, and meanwhile the wheel type walking aid can be folded front and back when not used.

Description

TECHNICAL FIELD

[0001] The utility model relates to walking auxiliary appliance field, specifically speaking is a kind of folding frame of front and rear folding type wheeled walking aid. BACKGROUND

[0002] Wheeled walking aid is the auxiliary tool of convenient action, it is mainly made of aluminium alloy material, simple structure, light and flexible, can help the old, the disabled and the person who needs recovery after being wounded or operated to walk, its design curve is beautiful, can play its basic function, also have multiple humanization design, such as: there is brake device, folding is convenient, adjustable height, high-quality rubber wheel etc. The wheeled walking aid of existing folding type is basically left and right folding type, and the seat of left and right folding type is a support cloth, when user sits on the support cloth, under the action of human body gravity, support cloth will sag, so that user sitting will have uncomfortable feeling. SUMMARY

[0003] The utility model provides a kind of folding frame of front and rear folding type wheeled walking aid, its main purpose is to overcome the problem that the seat of existing left and right folding type is a support cloth, so that user sitting will have uncomfortable feeling.

[0004] To solve the above technical problem, the utility model adopts the following technical scheme:

[0005] A kind of folding frame of front and rear folding type wheeled walking aid, including U type main support frame, two front tubes, two rear tubes and two groups of folding rod groups, two front tubes are arranged left and right, two rear tubes are arranged left and right, support tube is fixed between two front tubes, rotatable connecting rod is arranged between two rear tubes, the rear end of U type main support frame is fixedly connected with connecting rod, each folding rod group corresponds a front tube, a rear tube and the side of U type main support frame, the folding rod group is hinged with corresponding front tube, rear tube and the side of U type main support frame, the top of support tube is contacted with the front end of U type main support frame when two front tubes and two rear tubes are unfolded, and folding rod group is in unfolded state, when the front end of U type main support frame is lifted upward, two folding rod groups are folded upward.

[0006] Further, the folding rod group includes S-shaped folding connecting sheet, front connecting sheet and rear connecting sheet, the rear end of S-shaped folding connecting sheet is hinged with the side of U type main support frame, the front end of S-shaped folding connecting sheet and the front end of front connecting sheet are hinged with front tube, the rear end of front connecting sheet and the front end of rear connecting sheet are hinged, the rear end of rear connecting sheet and the end of connecting rod are hinged with rear tube.

[0007] Further, a first plastic gasket is arranged between the rear end of the S-shaped folding connecting piece and the side of the U-shaped main supporting frame, and the rear end of the S-shaped folding connecting piece is hinged to the side of the U-shaped main supporting frame through a first hinging shaft, and the first hinging shaft passes through the rear end of the S-shaped folding connecting piece, the first plastic gasket and the side of the U-shaped main supporting frame in sequence.

[0008] Further, a second plastic gasket is arranged between the front end of the front connecting piece and the front bicycle tube, and the front end of the S-shaped folding connecting piece and the front end of the front connecting piece are hinged to the front bicycle tube through a second hinging shaft, and the second hinging shaft passes through the front bicycle tube, the second plastic gasket, the front end of the front connecting piece and the front end of the S-shaped folding connecting piece in sequence.

[0009] Further, the rear end of the front connecting piece and the front end of the rear connecting piece are hinged through a third hinging shaft, and the third hinging shaft passes through the rear end of the front connecting piece and the front end of the rear connecting piece in sequence.

[0010] Further, a third plastic gasket is arranged between the rear end of the rear connecting piece and the rear bicycle tube, the end of the connecting rod passes through the rear end of the rear connecting piece and penetrates into the third plastic gasket, the rear bicycle tube is provided with a fourth hinging shaft, and the fourth hinging shaft is fixedly connected with the end of the connecting rod.

[0011] Further, the top of the front connecting piece is provided with a clamping groove, the front end of the rear connecting piece is provided with a clamping part, the clamping part is clamped in the clamping groove when the front connecting piece and the rear connecting piece are unfolded, and the clamping part is separated from the clamping groove when the front connecting piece and the rear connecting piece are folded.

[0012] Further, the outer periphery of the supporting tube is provided with two supporting pads arranged on the left and right.

[0013] As can be seen from the above description of the utility model, compared with the prior art, the utility model has the following advantages: the top surface of the U-shaped main supporting frame is connected with a seat cushion, the front ends of the U-shaped main supporting frame and the top of the supporting tube abut against each other when the two front bicycle tubes and the two rear bicycle tubes are unfolded, and the user is more comfortable when sitting on the seat cushion; when the wheeled walker needs to be folded, the front ends of the U-shaped main supporting frames are lifted upward, the two groups of folding rods are folded upward, and the two front bicycle tubes and the two rear bicycle tubes can be folded forward and backward; when the wheeled walker needs to be unfolded, the front ends of the U-shaped main supporting frames are pressed downward, the two groups of folding rods are unfolded downward, and the two front bicycle tubes and the two rear bicycle tubes are unfolded forward and backward, until the front ends of the U-shaped main supporting frames and the top of the supporting tube abut against each other. The utility model uses the U-shaped main supporting frame to support the seat cushion, so that the user is more comfortable when sitting, and the wheeled walker can also be folded forward and backward when not in use. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1The utility model discloses a structure diagram.

[0015] Figure 2 The utility model discloses a structure diagram from another angle.

[0016] Figure 3 The utility model discloses a structure exploded view.

[0017] Figure 4 The utility model discloses a structure exploded view from another angle.

[0018] Figure 5 The utility model discloses a structure diagram of connecting rod.

[0019] Figure 6 The utility model discloses a structure diagram of connecting rod. Figure 1 The utility model discloses a structure diagram of connecting rod. Specific implementation

[0020] In the description of the utility model, need understanding, the orientation or positional relation that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" indicate are based on the orientation or positional relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element referred to must have a particular orientation, construct and operate with a particular orientation, therefore can not be understood as the limitation to the utility model.

[0021] Refer to Figure 1 And Figure 2 A folding frame of front and back folding type wheeled walking aid, including U type main support frame 1, two front tubes 2, two rear tubes 3 and two groups of folding rod groups 4, two front tubes 2 are arranged left and right, two rear tubes 3 are arranged left and right, the support pipe 5 is fixed between two front tubes 2, the connecting rod 6 that can rotate is arranged between two rear tubes 3, and the rear end of U type main support frame 1 is fixedly connected with connecting rod 6.Each folding rod group 4 corresponds a front tube 2, a rear tube 3 and the side of U type main support frame 1, and the folding rod group 4 is hingedly connected with the corresponding front tube 2, rear tube 3 and the side of U type main support frame 1.When the U type main support frame 1 is in the unfolded state, the front end of U type main support frame 1 is in contact with the top of support pipe 5, and the folding rod group 4 is in the unfolded state, when the front end of U type main support frame 1 is lifted upward, the two folding rod groups 4 are folded upward.

[0022] Refer to Figure 1 And Figure 2, the folding rod group 4 comprises an S-shaped folding connecting sheet 7, a front connecting sheet 8 and a rear connecting sheet 9, the rear end of the S-shaped folding connecting sheet 7 is hinged with the side edge of the U-shaped main support frame 1, the front end of the S-shaped folding connecting sheet 7 and the front end of the front connecting sheet 8 are hinged with the front bicycle tube 2, the rear end of the front connecting sheet 8 is hinged with the front end of the rear connecting sheet 9, and the rear end of the rear connecting sheet 9 and the end of the connecting rod 6 are hinged with the rear bicycle tube 3.

[0023] Referring to Figures 1 to 4 , a first plastic gasket 10 is arranged between the rear end of the S-shaped folding connecting sheet 7 and the side edge of the U-shaped main support frame 1, and the rear end of the S-shaped folding connecting sheet 7 is hinged with the side edge of the U-shaped main support frame 1 through a first hinging shaft 11, the first hinging shaft 11 passes through the rear end of the S-shaped folding connecting sheet 7, the first plastic gasket 10 and the side edge of the U-shaped main support frame 1 in sequence. The first hinging shaft 11 is a first half-threaded bolt, and the threaded section of the first half-threaded bolt is screwed with a first nut 12.

[0024] Referring to Figures 1 to 4 , a second plastic gasket 13 is arranged between the front end of the front connecting sheet 8 and the front bicycle tube 2, and the front end of the S-shaped folding connecting sheet 7 and the front end of the front connecting sheet 8 are hinged with the front bicycle tube 2 through a second hinging shaft 14, the second hinging shaft 14 passes through the front bicycle tube 2, the second plastic gasket 13, the front end of the front connecting sheet 8 and the front end of the S-shaped folding connecting sheet 7 in sequence. The second hinging shaft 14 is a second half-threaded bolt, and the threaded section of the second half-threaded bolt is screwed with a second nut 15.

[0025] Referring to Figures 1 to 4 , the rear end of the front connecting sheet 8 is hinged with the front end of the rear connecting sheet 9 through a third hinging shaft 16, and the third hinging shaft 16 passes through the rear end of the front connecting sheet 8 and the front end of the rear connecting sheet 9 in sequence. The third hinging shaft 16 is a third half-threaded bolt, and the threaded section of the third half-threaded bolt is screwed with a third nut 17.

[0026] Referring to Figures 1 to 5 , a third plastic gasket 18 is arranged between the rear end of the rear connecting sheet 9 and the rear bicycle tube 3, the end of the connecting rod 6 passes through the rear end of the rear connecting sheet 9 and into the third plastic gasket 18, the rear bicycle tube 3 is provided with a fourth hinging shaft 19, and the fourth hinging shaft 19 is fixedly connected with the end of the connecting rod 6. The fourth hinging shaft 19 is a fourth half-threaded bolt, both ends of the connecting rod 6 are provided with threaded holes 61, and the threaded section of the fourth half-threaded bolt is screwed with the threaded holes.

[0027] Referring to Figure 1 and Figure 6The top of the front connecting piece 8 is provided with a clamping groove 81, and the front end of the rear connecting piece 9 is provided with a clamping part 91, the clamping part 91 is clamped in the clamping groove 81 when the front connecting piece 8 and the rear connecting piece 9 are unfolded, a two-way locking structure is formed, so that the front connecting piece 8 and the rear connecting piece 9 can be locked after being unfolded, and the clamping part 91 automatically separates from the clamping groove 81 when the front connecting piece 8 and the rear connecting piece 9 are folded. The outer periphery of the support pipe 5 is provided with two support pads 20 arranged left and right, the support pad 20 is made of plastic, and the support pad 20 can prevent the front end of the U-shaped main support frame 1 from abrading the support pipe 5 when abutting against the support pipe 5.

[0028] With reference to Figure 1 And Figure 2 Two front vehicle pipes 2 serve as part of the front frame of the wheeled walker, two rear vehicle pipes 3 serve as part of the rear frame of the wheeled walker, the top surface of the U-shaped main support frame 1 is connected with a seat cushion, and the front end of the U-shaped main support frame 1 abuts against the support pad 20 on the top of the support pipe 5 when the two front vehicle pipes 2 and the two rear vehicle pipes 3 are unfolded, so that the user is more comfortable when sitting on the seat cushion. When the wheeled walker needs to be folded, the front end of the U-shaped main support frame 1 is lifted upward, the U-shaped main support frame 1 drives the S-shaped folding connecting piece 7 to fold upward, the S-shaped folding connecting piece 7 drives the front connecting piece 8 and the rear connecting piece 9 to fold upward, and at this time, the two front vehicle pipes 2 and the two rear vehicle pipes 3 can be folded forward and backward. When the wheeled walker needs to be unfolded, the front end of the U-shaped main support frame is pressed downward, the U-shaped main support frame 1 drives the S-shaped folding connecting piece 7 to unfold downward, the S-shaped folding connecting piece 7 drives the front connecting piece 8 and the rear connecting piece 9 to unfold downward, and at this time, the two front vehicle pipes 2 and the two rear vehicle pipes 3 also unfold forward and backward until the front end of the U-shaped main support frame 1 abuts against the support pad 20 on the top of the support pipe 5.

[0029] The above is only a specific embodiment of the present application, but the design concept of the present application is not limited thereto, and any non-substantial change made by using the concept should be regarded as an infringement of the protection scope of the present application.

Claims

1. A folding frame for a front and rear folding wheeled rollator, characterized in that: The utility model provides a folding bicycle, which comprises a U-shaped main support frame, two front bicycle tubes, two rear bicycle tubes and two groups of folding rod groups, the two front bicycle tubes are arranged left and right, the two rear bicycle tubes are arranged left and right, a support tube is fixed between the two front bicycle tubes, a rotatable connecting rod is arranged between the two rear bicycle tubes, the rear end of the U-shaped main support frame is fixedly connected with the connecting rod, each group of folding rod groups corresponds to a front bicycle tube, a rear bicycle tube and one side of the U-shaped main support frame, the folding rod groups are hingedly connected with the corresponding front bicycle tube, rear bicycle tube and side of the U-shaped main support frame, the front end of the U-shaped main support frame abuts against the top of the support tube when the two front bicycle tubes and the two rear bicycle tubes are unfolded, and the folding rod groups are in an unfolded state, the two groups of folding rod groups are folded upwards when the front end of the U-shaped main support frame is lifted upwards.

2. A folding frame for a front and rear folding wheeled rollator according to claim 1, characterized in that: The folding rod group comprises an S-shaped folding connecting piece, a front connecting piece and a rear connecting piece, the rear end of the S-shaped folding connecting piece is hingedly connected with the side of the U-shaped main support frame, the front end of the S-shaped folding connecting piece and the front end of the front connecting piece are hingedly connected with the front bicycle tube, the rear end of the front connecting piece is hingedly connected with the front end of the rear connecting piece, and the rear end of the rear connecting piece and the end of the connecting rod are hingedly connected with the rear bicycle tube.

3. A folding frame for a front and rear folding wheeled rollator according to claim 2, characterized in that: A first plastic gasket is arranged between the rear end of the S-shaped folding connecting piece and the side of the U-shaped main support frame, and the rear end of the S-shaped folding connecting piece is hingedly connected with the side of the U-shaped main support frame through a first hinging shaft, which sequentially penetrates the rear end of the S-shaped folding connecting piece, the first plastic gasket and the side of the U-shaped main support frame.

4. A folding frame for a front and rear folding wheeled rollator according to claim 2, characterized in that: A second plastic gasket is arranged between the front end of the front connecting piece and the front bicycle tube, and the front end of the S-shaped folding connecting piece and the front end of the front connecting piece are hingedly connected with the front bicycle tube through a second hinging shaft, which sequentially penetrates the front bicycle tube, the second plastic gasket, the front end of the front connecting piece and the front end of the S-shaped folding connecting piece.

5. A folding frame for a front and rear folding wheeled rollator according to claim 2, characterized in that: The rear end of the front connecting piece is hingedly connected with the front end of the rear connecting piece through a third hinging shaft, which sequentially penetrates the rear end of the front connecting piece and the front end of the rear connecting piece.

6. A folding frame for a front and rear folding wheeled rollator according to claim 2, characterized in that: A third plastic gasket is arranged between the rear end of the rear connecting piece and the rear bicycle tube, the end of the connecting rod penetrates the rear end of the rear connecting piece and penetrates into the third plastic gasket, the rear bicycle tube is provided with a fourth hinging shaft, and the fourth hinging shaft is fixedly connected with the end of the connecting rod.

7. A folding frame for a front and rear folding wheeled rollator according to claim 2, characterized in that: The top of the front connecting piece is provided with a clamping groove, the front end of the rear connecting piece is provided with a clamping part, the clamping part is clamped in the clamping groove when the front connecting piece and the rear connecting piece are unfolded, and the clamping part is separated from the clamping groove when the front connecting piece and the rear connecting piece are folded.

8. A folding frame for a front and rear folding wheeled rollator according to claim 1, characterized in that: The outer periphery of the support tube is provided with two support gaskets arranged left and right.

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