Folding mechanism and pet cart

Abstract

The utility model provides a folding mechanism and a pet stroller. The folding mechanism comprises a first rack assembly, a second rack assembly and a connecting rod assembly, and a first supporting arm is rotatably connected to a first support; the second support arm is rotatably connected to the second bracket; the second support arm is connected to the first support arm, and the second support arm is unfolded or folded relative to the first support arm; the connecting rod assembly comprises a plurality of connecting rods which are connected to the second supporting arm and the first supporting arm respectively and reinforce the second supporting arm and the first supporting arm. The multiple connecting rods are relatively opened or folded along with movement between the second supporting arm and the first supporting arm, the connecting position between the second supporting arm and the first supporting arm is reinforced by additionally arranging the connecting rod assemblies, and loosening between the second supporting arm and the first supporting arm is avoided; and the stability of the second support arm and the first support arm in the folding state or the unfolding state is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of pet stroller, especially to a folding mechanism and pet stroller. BACKGROUND

[0002] With the development of science and technology, pet stroller is widely used in production and life, and the pet stroller is a tool for carrying pets outside, especially suitable for pet owners who need to take pets for a walk, travel or medical treatment.

[0003] In the prior art, the existing folding mechanism includes a first rack assembly and a second rack assembly, the second rack assembly is connected with the first rack assembly through a rotating shaft, and the second rack assembly is opened or folded relative to the first rack assembly; however, the first rack assembly and the second rack assembly are prone to loosening after long-term use, resulting in poor stability of the existing folding mechanism. UTILITY MODEL CONTENT

[0004] The utility model discloses a folding mechanism and pet stroller, the first rack assembly includes first support and first branch, and the first branch is rotatably connected to the first support;The second rack assembly includes second support and second branch, and the second branch is rotatably connected to the second support;The second branch is connected to the first branch, and the second branch is opened or folded relative to the first branch;The link assembly includes a plurality of links, and the plurality of links are arranged between the second branch and the first branch;The plurality of links are respectively connected to the second branch and the first branch, and reinforce the second branch and the first branch;The plurality of links are opened or folded relative to each other with the movement between the second branch and the first branch, the connection between the second branch and the first branch is reinforced by increasing the link assembly, the loosening between the second branch and the first branch is avoided, the stability of the second branch and the first branch in the folded state or the opened state is guaranteed, and the folding or opening smoothness between the second branch and the first branch is guaranteed.

[0005] To achieve the above object, the utility model provides the following technical scheme: a folding mechanism is applied to pet stroller, and the folding mechanism includes:

[0006] The first rack assembly includes first support and first branch, and the first branch is rotatably connected to the first support;

[0007] The second rack assembly includes second support and second branch, and the second branch is rotatably connected to the second support;The second branch is connected to the first branch, and the second branch is opened or folded relative to the first branch;

[0008] The connecting rod assembly includes multiple connecting rods, which are arranged between the second support arm and the first support arm. The multiple connecting rods are respectively connected to the second support arm and the first support arm, and reinforce the second support arm and the first support arm; the multiple connecting rods are relatively opened or folded as the second support arm and the first support arm move.

[0009] Optionally, the second arm and the first arm are hinged to each other; a first hinge portion is provided between the second arm and the first arm;

[0010] A plurality of connecting rods are connected to the first hinge portion and respectively connect the second support arm and the first support arm.

[0011] Optionally, the plurality of connecting rods include a first connecting rod and a second connecting rod;

[0012] One end of the first connecting rod and one end of the second connecting rod are both connected to the first hinge portion;

[0013] The other end of the first connecting rod is connected to the second supporting arm;

[0014] The other end of the second connecting rod is connected to the first supporting arm.

[0015] Optionally, when the second arm and the first arm are in an open state, the second arm and the first arm are arranged along a horizontal direction; the first connecting rod, the second connecting rod, and the first hinged portion form a triangular area.

[0016] Optionally, when the second arm and the first arm are in a folded state, a first angle is formed among the first connecting rod, the second connecting rod, and the first hinge portion, and the first angle is 0° to 90°.

[0017] Optionally, a second hinged portion is further provided between the second support arm and the first support arm; the second hinged portion is located above the first hinged portion;

[0018] The connection between the first arm and the second connecting rod is a first connection.

[0019] The connection between the second support arm and the first connecting rod is a second connection, and the second connection and the first connection are respectively arranged on both sides of the second hinged portion.

[0020] Optionally, the first bracket and the second bracket move away from each other as the first arm and the second arm are opened;

[0021] Alternatively, the first bracket and the second bracket approach each other as the first arm and the second arm are folded.

[0022] Optionally, the folding mechanism further comprises an armrest assembly, the armrest assembly comprising an armrest, a connecting arm;

[0023] The armrest is rotatably connected to the first support;

[0024] The connecting arm is connected to the armrest and drives the first support arm to rotate upwardly as the armrest rotates downwardly, so that the first support arm is folded relative to the second support arm.

[0025] Optionally, the connecting arm is connected to the first support arm;

[0026] The armrest assembly comprises a ratchet, the ratchet being between the armrest and the connecting arm and connecting the armrest and the connecting arm.

[0027] To achieve the above object, the utility model provides the following technical scheme: a pet stroller comprising the folding mechanism.

[0028] Compared with the prior art, the utility model has the advantages of:

[0029] The utility model provides a folding mechanism and pet stroller, first support assembly includes first support and first support arm, first support arm rotatably connected to first support, second machine frame subassembly includes second support and second support arm, and second support arm rotatably connected to second support, and second support arm is connected to first support arm, and second support arm is opened or folded relative to first support arm, connecting rod subassembly includes a plurality of connecting rods, and a plurality of connecting rods are arranged between second support arm and first support arm, and a plurality of connecting rods are connected to second support arm and first support arm respectively and reinforce second support arm and first support arm, and a plurality of connecting rods are opened or folded relative to each other with the activity between second support arm and first support arm, and the connecting place between second support arm and first support arm is reinforced by increasing connecting rod subassembly, avoids the looseness between second support arm and first support arm, guarantees the stability of second support arm and the first support arm in the folding state or the opening state, and guarantee the smoothness of the folding or opening between second support arm and first support arm simultaneously. BRIEF DESCRIPTION OF DRAWINGS

[0030] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description only some embodiments of the present application, and those skilled in the art can obtain other drawings according to these drawings without creating labor.

[0031] In order to more completely understand the present application and its beneficial effects, the following will be described with reference to the drawings. In the following description, the same reference signs represent the same parts.

[0032] Figure 1 A schematic diagram of the folding mechanism of the utility model according to the present application is shown in the open state.

[0033] Figure 2 Shown Figure 1 A partial enlarged view of point A in the middle.

[0034] Figure 3 A schematic diagram of a half-folded state of the folding mechanism according to the utility model of the present application is shown.

[0035] Figure 4 Shown Figure 3 A partial enlarged view of point B in the middle.

[0036] Figure 5 A schematic diagram of the folding state of the folding mechanism according to the utility model of the present application is shown.

[0037] Reference numerals

[0038] 100. Folding mechanism;

[0039] 10. First frame assembly; 11. First bracket; 12. First support arm;

[0040] 20. Second frame assembly; 21. Second bracket; 22. Second support arm; 221. First hinge; 222. Second hinge;

[0041] 30. Connecting rod assembly; 31. Connecting rod; 311. First connecting rod; 312. Second connecting rod;

[0042] 40. Armrest assembly; 41. Armrest; 42. Connecting arm; 43. Ratchet. DETAILED DESCRIPTION

[0043] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the embodiments described are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without making creative efforts are within the scope of protection of this application.

[0044] Please refer to the attached Figures 1-5 The utility model provides a folding mechanism 100, which is applied to a pet stroller. The folding mechanism 100 is used to fold the pet stroller.

[0045] Please refer to the attached Figures 1-5In the embodiment of the present application, the folding mechanism 100 comprises a first rack assembly 10, a second rack assembly 20 and a connecting rod assembly 30. The first rack assembly 10 comprises a first support 11 and a first support arm 12, and the first support arm 12 is rotatably connected to the first support 11. The second rack assembly 20 comprises a second support 21 and a second support arm 22, and the second support arm 22 is rotatably connected to the second support 21. The second support arm 22 is connected to the first support arm 12, and the second support arm 22 is opened or folded relative to the first support arm 12. The connecting rod assembly 30 comprises a plurality of connecting rods 31, and the plurality of connecting rods 31 are arranged between the second support arm 22 and the first support arm 12, connected to the second support arm 22 and the first support arm 12 respectively, and reinforce the second support arm 22 and the first support arm 12. The plurality of connecting rods 31 are opened or folded relative to the second support arm 22 and the first support arm 12 with the movement between the second support arm 22 and the first support arm 12. By adding the connecting rod assembly 30 to reinforce the connection between the second support arm 22 and the first support arm 12, the looseness between the second support arm 22 and the first support arm 12 is avoided, the stability of the second support arm 22 and the first support arm 12 in the folded state or the opened state is ensured, and the smoothness of the folding or opening between the second support arm 22 and the first support arm 12 is ensured.

[0046] Please refer to the accompanying drawings Figures 1-5 In the embodiment of the present application, the first rack assembly 10 comprises a first support 11 and a first support arm 12, and the first support arm 12 is rotatably connected to the first support 11. In order to adjust the position of the first support arm 12 relative to the first support 11, so as to facilitate the opening or folding of the first support arm 12 relative to the first support 11. When the first support arm 12 is opened relative to the first support 11, the first support arm 12 and the first support 11 are 90°, which improves the supporting force of the first support arm 12. When the first support arm 12 is folded relative to the first support 11, the occupied area between the first support arm 12 and the first support 11 is reduced, so as to facilitate the storage of the first rack assembly 10.

[0047] Please refer to the accompanying drawings Figures 1-5In the embodiment of the present application, the second rack assembly 20 comprises a second support 21 and a second support arm 22, the second support arm 22 is rotatably connected to the second support 21, so as to adjust the position of the second support arm 22 relative to the second support 21, thereby facilitating the opening or folding of the second support arm 22 relative to the second support 21. When the second support arm 22 is opened relative to the second support 21, the second support arm 22 is 90° relative to the second support 21, thereby improving the supporting force of the second support arm 22. When the second support arm 22 is folded relative to the first support 11, the occupied area between the second support arm 22 and the second support 21 is reduced, thereby facilitating the storage of the second rack assembly 20. The second support arm 22 is connected to the first support arm 12, so as to adjust the position of the second support arm 22 relative to the first support arm 12, and the second support arm 22 is opened or folded relative to the first support arm 12. When the second support arm 22 is opened relative to the first support arm 12, the second support arm 22 and the first support arm 12 jointly support the object to be supported. When the second support arm 22 is folded relative to the first support arm 12, the occupied space between the second support arm 22 and the first support arm 12 is reduced.

[0048] Please refer to the accompanying drawings Figures 1-5 In the embodiment of the present application, the linkage assembly 30 comprises a plurality of linkages 31, the plurality of linkages 31 are arranged between the second support arm 22 and the first support arm 12, and the plurality of linkages 31 are respectively connected to the second support arm 22 and the first support arm 12 and reinforce the second support arm 22 and the first support arm 12. The plurality of linkages 31 are opened or folded relative to each other with the movement of the second support arm 22 and the first support arm 12. By increasing the plurality of linkages 31 to reinforce the connection between the second support arm 22 and the first support arm 12, the looseness between the second support arm 22 and the first support arm 12 is avoided, the stability of the second support arm 22 and the first support arm 12 in the folded state or the opened state is ensured, and the smoothness of the folding or opening between the second support arm 22 and the first support arm 12 is ensured.

[0049] Please refer to the accompanying drawings Figures 1-5 The second support arm 22 and the first support arm 12 are hingedly connected to each other, so that the second support arm 22 rotates relative to the first support arm 12 by means of hinging. The second support arm 22 and the first support arm 12 have a first hinge part 221 therebetween. The plurality of linkages 31 are connected to the first hinge part 221 and are respectively connected to the second support arm 22 and the first support arm 12, so as to form a stable triangular structure by the plurality of linkages 31, thereby strengthening the stability between the second support arm 22 and the first support arm 12.

[0050] Please refer to the accompanying drawings Figures 1-5, the plurality of connecting rods 31 comprise a first connecting rod 311 and a second connecting rod 312; one end of the first connecting rod 311 and one end of the second connecting rod 312 are connected to the first hinge part 221, so that the one end of the first connecting rod 311 and the one end of the second connecting rod 312 are overlapped; so as to facilitate the first connecting rod 311 and the second connecting rod 312 to form an included angle. The other end of the first connecting rod 311 is connected to the second branch arm 22; the other end of the second connecting rod 312 is connected to the first branch arm 12, so that the other end of the first connecting rod 311 and the other end of the second connecting rod 312 are separated, so as to facilitate the first connecting rod 311 and the second connecting rod 312 to form a stable triangular structure, so as to realize the first connecting rod 311 and the second connecting rod 312 reinforcing the connection between the second branch arm 22 and the first branch arm 12.

[0051] Please refer to the accompanying drawings Figures 1-2 When the second branch arm 22 and the first branch arm 12 are in the open state, the second branch arm 22 and the first branch arm 12 are arranged along the horizontal direction, so as to form a support plane with the second branch arm 22 and the first branch arm 12; the first connecting rod 311, the second connecting rod 312 and the first hinge part 221 form a triangular area, so as to triangularly reinforce the second branch arm 22 and the first branch arm 12 by the first connecting rod 311, the second connecting rod 312 and the first hinge part 221, thereby strengthening the connection between the second branch arm 22 and the first branch arm 12 and preventing the connection between the second branch arm 22 and the first branch arm 12 from loosening.

[0052] Please refer to the accompanying drawings Figures 3-5 When the second branch arm 22 and the first branch arm 12 are in the folded state, a first angle is formed between the first connecting rod 311, the second connecting rod 312 and the first hinge part 221, and the first angle is 0°-90°, so as to facilitate the mutual movement between the second branch arm 22, the first connecting rod 311, the first hinge part 221, the second connecting rod 312 and the first branch arm 12, thereby adjusting the first angle to realize the folding of the second branch arm 22 and the first branch arm 12.

[0053] Please refer to the accompanying drawings Figures 1-5 The second branch arm 22 and the first branch arm 12 further have a second hinge part 222; the second hinge part 222 is above the first hinge part 221, so as to connect the upper end of the second branch arm 22 and the upper end of the first branch arm 12 by the second hinge part 222; the connection between the first branch arm 12 and the second connecting rod 312 is a first connection, and the connection between the second branch arm 22 and the first connecting rod 311 is a second connection; the second connection and the first connection are arranged on the two sides of the second hinge part 222, so as to facilitate the movement of the second connection, the first connection and the second hinge part 222 during the folding of the second branch arm 22 and the first branch arm 12, thereby adjusting the positions of the second connection and the first connection.

[0054] Please refer to the accompanying drawingsFigure 1 and 5 When the first arm 12 and the second arm 22 are unfolded, the first support 11 and the second support 21 are away from each other, so that the first support 11 and the second support 21 are parallel to each other, thus the first support 11 and the second support 21 serve as the outer frame of the folding mechanism 100, preventing the object supported by the folding mechanism 100 from falling to the outside environment. Alternatively, when the first arm 12 and the second arm 22 are folded, the first support 11 and the second support 21 are close to each other, so as to adjust the space between the first support 11 and the second support 21, thus facilitating storage.

[0055] Please refer to the accompanying drawings Figure 1 and 5 The folding mechanism 100 further comprises an armrest assembly 40, which is used for the user to hold, so that the user holds the armrest assembly 40 to push the folding mechanism 100. The armrest assembly 40 comprises an armrest 41 and a connecting arm 42. The armrest 41 is rotatably connected to the first support 11, so as to adjust the position of the armrest 41 relative to the first support 11. The connecting arm 42 is connected to the armrest 41 and drives the first arm 12 to rotate upwardly when the armrest 41 rotates downwardly, so that the first arm 12 and the second arm 22 are folded relative to each other, improving the folding convenience of the first arm 12 and the second arm 22. When the armrest 41 rotates downwardly, the connecting part between the first arm 12 and the second arm 22 rotates upwardly, so that the end of the first connecting rod 311 and the second connecting rod 312 that are overlapped moves upwardly, and the end of the first connecting rod 311 and the second connecting rod 312 that are separated moves downwardly, so as to realize the relative folding of the first arm 12 and the second arm 22.

[0056] Please refer to the accompanying drawings Figure 1 and 5 The connecting arm 42 is connected to the first arm 12. The armrest assembly 40 comprises a ratchet 43, which is between and connected to the armrest 41 and the connecting arm 42, so that the armrest 41 is folded relative to the connecting arm 42 through the ratchet 43.

[0057] In another embodiment, a pet stroller comprises a folding mechanism 100, which is part of the pet stroller, and the pet stroller is a tool for facilitating taking pets out.

[0058] Compared with the prior art, the utility model has the advantages that:

[0059] The utility model provides a folding mechanism 100 and a pet stroller, wherein the first frame assembly 10 includes a first bracket 11 and a first arm 12, the first arm 12 being rotatably connected to the first bracket 11; the second frame assembly 20 includes a second bracket 21 and a second arm 22, the second arm 22 being rotatably connected to the second bracket 21; the second arm 22 is connected to the first arm 12, and the second arm 22 is opened or folded relative to the first arm 12; the connecting rod assembly 30 includes a plurality of connecting rods 31, the plurality of connecting rods 31 being arranged between the second arm 22 and the first arm 12, and the plurality of connecting rods 31 being arranged between the second arm 22 and the first arm 12. 1 is respectively connected to the second arm 22 and the first arm 12, and reinforces the second arm 22 and the first arm 12; the multiple connecting rods 31 are relatively opened or folded as the second arm 22 and the first arm 12 move. By adding the connecting rod assembly 30 to reinforce the connection between the second arm 22 and the first arm 12, looseness between the second arm 22 and the first arm 12 is avoided, the stability of the second arm 22 and the first arm 12 in the folded state or the opened state is ensured, and the smoothness of the folding or opening between the second arm 22 and the first arm 12 is ensured.

[0060] In the above embodiments, the description of each embodiment has its own focus. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0061] In the description of this application, the terms "first" and "second" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of technical features indicated. Therefore, features specified as "first" or "second" may explicitly or implicitly include one or more features.

[0062] This document uses specific examples to illustrate the principles and implementation methods of this application. The description of the above embodiments is only used to help understand the method and core ideas of this application. At the same time, for technical personnel in this field, based on the ideas of this application, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as a limitation on this application.

Claims

1. A folding mechanism, characterized by, The folding mechanism is applied to a pet stroller, and the folding mechanism comprises: a first frame assembly comprising a first support and a first support arm, the first support arm being rotatably connected to the first support; a second frame assembly comprising a second support and a second support arm, the second support arm being rotatably connected to the second support, the second support arm being connected to the first support arm, and the second support arm being opened or folded relative to the first support arm; a link assembly comprising a plurality of links, the plurality of links being arranged between the second support arm and the first support arm, the plurality of links being respectively connected to the second support arm and the first support arm, and reinforcing the second support arm and the first support arm, and the plurality of links being relatively opened or folded along with the movement between the second support arm and the first support arm.

2. The folding mechanism of claim 1, wherein, The second support arm and the first support arm are hingedly connected to each other, and the second support arm and the first support arm have a first hinge portion therebetween; The plurality of links are connected to the first hinge portion and are respectively connected to the second support arm and the first support arm.

3. The folding mechanism of claim 2, wherein, The plurality of links comprise a first link and a second link; One end of the first link and one end of the second link are connected to the first hinge portion; The other end of the first link is connected to the second support arm; The other end of the second link is connected to the first support arm.

4. The folding mechanism of claim 3, wherein, When the second support arm and the first support arm are in an open state, the second support arm and the first support arm are arranged along a horizontal direction, and the first link, the second link, and the first hinge portion form a triangular region.

5. The folding mechanism of claim 3, wherein, When the second support arm and the first support arm are in a folded state, a first angle is formed between the first link, the second link, and the first hinge portion, and the first angle is 0° to 90°.

6. The folding mechanism of claim 3, wherein, The second support arm and the first support arm further have a second hinge portion therebetween, and the second hinge portion is above the first hinge portion; A connection between the first support arm and the second link is a first connection, A connection between the second support arm and the first link is a second connection, and the second connection and the first connection are arranged on two sides of the second hinge portion.

7. The folding mechanism according to any one of claims 1-6, characterized in that The first support and the second support are away from each other along with the opening of the first support arm and the second support arm. Alternatively, the first support and the second support are close to each other along with the folding of the first support arm and the second support arm.

8. The folding mechanism of claim 7, wherein, The folding mechanism further comprises a handrail assembly, and the handrail assembly comprises a handrail and a connecting arm; The handrail is rotatably connected to the first support; The connecting arm is connected to the handrail, and the connecting arm drives the first support arm to rotate upward along with the downward rotation of the handrail, so that the first support arm and the second support arm are relatively folded.

9. The folding mechanism of claim 8, wherein, The connecting arm is connected to the first support arm; The handrail assembly comprises a ratchet wheel, and the ratchet wheel is between the handrail and the connecting arm and connects the handrail and the connecting arm.

10. A pet stroller characterized by, The folding mechanism comprises any one of claims 1 to 9.

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