Push-and-trailer support with stable structure

Abstract

The utility model relates to a push-and-trailer support with a stable structure. The push-and-trailer support comprises a base; the handrail assembly comprises a holding rod and two supporting rods, one ends of the two supporting rods are connected with the two ends of the holding rod respectively, and the other ends of the two supporting rods are rotatably connected with the base respectively; each stabilizing assembly comprises a moving seat, a pivoting seat and a pivoting rod, the moving seat is arranged on one supporting rod and can move along the supporting rod, the pivoting seat is arranged on the base, one end of the pivoting rod is connected with the moving seat, and the other end of the pivoting rod is pivoted with the pivoting seat; one end of the pivoting rod is connected with the supporting rod, the other end of the pivoting rod is connected with the base, and a triangular stable structure is integrally formed, so that when a user applies pushing force or pulling force to the holding rod, the pivoting rod can further improve the integral rigidity of the bracket handrail, and the bracket handrail is prevented from structural damage or shaking.

Description

Technical Field

[0001] This utility model relates to a trolley bracket, and more particularly to a trolley bracket with a stable structure. Background Technology

[0002] The pet-related products industry has become very mature, especially for dogs and cats, which are more commonly kept as pets. There are countless products available for owners to choose from, improving the convenience of pet ownership. Especially for dog owners, who often need to take their pets out for activities such as walks in the park or trips to slightly farther places to improve their pets' physical and mental health, owners usually buy pet strollers to enhance convenience. In addition to restricting the pet's range of movement and preventing it from running around, pets can also rest in the stroller when they get tired and continue their journey.

[0003] Currently, there are many types of strollers, one of which is the pushcart. Its main structure is an L-shaped frame formed by a U-shaped handle connecting to a base. A pet house can be placed on the base. As the name suggests, this type of stroller can not only be used to carry pets by holding the handle and pushing, but also the trailer bar on the pushcart can be connected to a bicycle, so that the owner can carry the pet by riding the bicycle and pulling the stroller. This can save more time and effort, especially when carrying large dogs, which can improve convenience.

[0004] However, current strollers mainly adopt an L-shaped frame structure. When carrying large dogs, whether the owner pushes by holding the handle or pulls by pulling the handle, the torque between the handle and the base is very large. Over time, this can easily affect the structure, leading to structural damage or wobbling of the frame and handle, thus reducing the service life. Therefore, the existing stroller technology has the aforementioned problems and shortcomings in its overall structure, which need to be improved. Utility Model Content

[0005] In view of the shortcomings and deficiencies of the existing technology, the present invention provides a trolley bracket with a stable structure, which improves the overall structural rigidity by setting a stabilizing component between the base and the handle assembly.

[0006] To achieve the aforementioned creative objectives, the technical means employed in this utility model is to design a trolley support with a stable structure, which includes:

[0007] A base;

[0008] An armrest assembly includes a handle and two support rods, one end of each support rod being connected to one end of the handle, and the other end of each support rod being rotatably connected to the base.

[0009] Two stabilizing components, each of which includes a movable seat, a pivot seat and a pivot rod. The movable seat is disposed on one of the support rods and is movable along the support rod. The pivot seat is disposed on the base. One end of the pivot rod is connected to the movable seat and the other end of the pivot rod is pivotally connected to the pivot seat.

[0010] Furthermore, the trolley support with a stable structure further includes a latching component in each of the stable components, which is assembled on the support rod and can lock or release the movable seat.

[0011] Furthermore, in the aforementioned trolley bracket with a stable structure, the latch assembly includes a fixed part, a movable part, an elastic element, and a latch piece. The fixed part has a tenon hole and is fixed inside the support rod. The movable part has a receiving groove and is movably disposed inside the support rod, with the fixed part located in the receiving groove. One end of the elastic element is disposed in the fixed part, and the other end of the elastic element is disposed in the receiving groove of the movable part. The latch piece has a latching protrusion and is movably disposed inside the tenon hole. The support rod has a lower hole, and the movable part has a latching hole. The latching protrusion can selectively pass through the lower hole and the latching hole.

[0012] Furthermore, in the aforementioned trolley bracket with a stable structure, the fixing part forms an inner movable hole, which is an elongated hole and extends in the vertical direction toward the fixing part; the movable part forms an outer movable hole; the latch plate forms an oblique hole, which extends obliquely; and an upper guide rod passes through the outer movable hole, the inner movable hole, and the oblique hole.

[0013] Furthermore, the trolley bracket with a stable structure further includes two telescopic seats, two unlocking levers, and two cables. The two telescopic seats are disposed on the base, and the two support rods are respectively inserted through the two telescopic seats. Each telescopic seat is provided with a connecting part and an elastic body. The connecting part can move along the telescopic seat, and the elastic body is disposed between the connecting part and the telescopic seat. The two unlocking levers are respectively movably disposed on the two support rods. One cable is connected at both ends to the unlocking lever and the upper end of the moving part, and the other cable is connected at both ends to the connecting part and the lower end of the moving part.

[0014] Furthermore, in the trolley bracket with a stable structure, the movable part has a guide hole that extends in the vertical direction, the fixed part has a fixing hole, and a guide rod passes through the support rod, the guide hole, and the fixing hole.

[0015] Furthermore, in the trolley support with a stable structure, each of the support rods further includes a guide rail extending along both ends of the support rod, and the movable seat is fitted onto the guide rail and can slide along the guide rail.

[0016] Furthermore, the trolley support with a stable structure further includes a limiting member disposed on the support rod and located below the movable seat.

[0017] The advantage of this invention is that by connecting one end of the pivot rod to the support rod and the other end to the base, the whole structure forms a stable triangular structure. Therefore, when the user applies pushing or pulling force to the grip, the pivot rod can further enhance the overall rigidity of this invention, so as to prevent structural damage or swaying of the support armrest. Attached Figure Description

[0018] Figure 1 This is a three-dimensional view of the present invention.

[0019] Figure 2 This is a partially enlarged view of the present invention.

[0020] Figure 3 This is another enlarged view of a portion of the present invention.

[0021] Figure 4 This is a partial exploded view of the present invention.

[0022] Figure 5 This is another partially exploded view of the present invention.

[0023] Figure 6 This is a partial cross-sectional view of the present invention.

[0024] Figure 7 This is another partial cross-sectional view of the present invention.

[0025] Figure 8 This is another partial cross-sectional view of the present invention.

[0026] Figure 9 This is a schematic cross-sectional view of the operation of this utility model.

[0027] Figure 10 This is another schematic diagram of the operation of this utility model.

[0028] Figure 11 This is a schematic diagram of the folded state of this utility model.

[0029] Figure 12 This is a schematic diagram of the usage state of this utility model. Detailed Implementation

[0030] The following, in conjunction with the accompanying drawings and preferred embodiments of the present invention, further illustrates the technical means employed by the present invention to achieve its intended creative purpose.

[0031] Please see Figure 1 As shown, the trolley support with a stable structure of this utility model includes a base 10, a handrail assembly 20 and two stabilizing components 30. The handrail assembly 20 is connected to the base 10, and the two ends of the two stabilizing components 30 are respectively connected to the handrail assembly 20 and the base 10.

[0032] Please see Figure 1 and Figure 12 As shown, the base 10 is a frame-shaped support structure, which is assembled into a platform that can bear weight. A pet house 11 or other items are placed on the top of the base 10, and multiple wheels 12 are provided on the bottom of the base 10.

[0033] Please see Figure 1 , Figure 3 and Figure 4 As shown, the handrail assembly 20 includes a grip bar 21, two support rods 22, and two telescopic seats 23. One end of each support rod 22 is connected to one end of the grip bar 21, and the other end of each support rod 22 is connected to the telescopic seat 23. The two telescopic seats 23 are rotatably connected to the base 10. In this embodiment, a guide rail 221 is provided on the surface of each support rod 22, extending along both ends of the support rod 22. However, this is not a limitation, and the guide rail 221 may not be provided. The support rod 22 is a hollow tube with an upper hole 222 and a lower hole 223. The upper hole 222 penetrates the support rod 22 and is an elongated hole, extending along both ends of the support rod 22. The lower hole 223 is located below the upper hole 222. Please refer to [link to previous text]. Figure 8 As shown, each telescopic seat 23 includes a body 231, a connecting part 232, and an elastic body 233. The body 231 is provided with a through groove 234 and is rotatably connected to the base 10. The support rod 22 is fixed in the through groove 234. The connecting part 232 is movably disposed in the body 231, and the elastic body 233 is disposed between the upper end of the connecting part 232 and the body 231. In this embodiment, the elastic body 233 is a compression spring, but it is not limited thereto. The form of the telescopic seat 23 can be changed according to the user's needs.

[0034] Please see Figures 2 to 4As shown, each stabilizing component 30 includes a movable seat 31, a limiting member 32, a pivot seat 33, a pivot rod 34, an unlocking pull rod 35, a latch assembly 36, and two cables 38. The movable seat 31 is a hollow tubular structure with a through hole 311 in its wall. The movable seat 31 is movably sleeved on the support rod 22 and the guide rail 221. The limiting member 32 is an annular body, which is sleeved and fixed on the support rod 22 and located below the movable seat 31. The pivot seat 33 is disposed on the base 10. The pivot rod 34 is a hollow rod body, one end of which is connected to the movable seat 31, and the other end of the pivot rod 34 is pivotally connected to the pivot seat 33. The unlocking pull rod 35 is a hollow rod body, with an annular flange 351 formed on the outer edge of one end. The unlocking pull rod 35 is sleeved on the support rod 22, and the rod body passes through the unlocking pull rod 35 and the upper hole 222, so that the unlocking pull rod 35 can move up and down along the upper hole 222.

[0035] Please see Figure 4 and Figure 5 As shown, the latch assembly 36 includes a fixing part 361, a moving part 362, an elastic element 363, and a latch piece 364. The fixing part 361 is a single piece with two opposite ends and two opposite sides. A tenon hole 365 passes through the two ends, and an inner moving hole 366 and a fixing hole 367 pass through the two sides. The inner moving hole 366 is an elongated hole that extends in the vertical direction toward the fixing part 361. The tenon hole 365 is connected to the inner moving hole 366. The fixing part 361 is fixed inside the support rod 22, and the tenon hole 365 is connected to the lower hole 223.

[0036] The movable part 362 is a cylindrical body with a receiving groove 368 extending through its front and rear, and an outer moving hole 369 and a guide hole 370 extending through its left and right sides. The movable part 362 is movably inserted into the support rod 22, and the fixed part 361 is located in the receiving groove 368. The outer moving hole 369 communicates with the inner moving hole 366, and the fixed hole 367 communicates with the guide hole 370. One end of the elastic member 363 is disposed in the fixed part 361, and the other end of the elastic member 363 is disposed in the receiving groove 368 of the movable part 362. Specifically, the elastic member 363 is a compression spring and is located in the space between the fixed part 361 and the movable part 362. A guide rod 371 passes through the limiting member 32, the support rod 22, and the guide rod 370. Hole 370 and fixing hole 367; a tenon piece 364 has a through oblique hole 372, which obliquely passes through the left and right sides of the tenon piece 364. One end of the tenon piece 364 has a protruding locking protrusion 373. The tenon piece 364 passes through the tenon hole 365 of the fixing part 361. The locking protrusion 373 passes through the lower hole 223 of the support rod 22 and the locking hole 311 of the movable seat 31. An upper guide rod 374 passes through the outer movable hole 369, the inner movable hole 366 and the oblique hole 372. Thus, the movable part 362 can move up and down relative to the fixing part 361, and the tenon piece 364 can move back and forth relative to the fixing part 361, but it is not limited to this. The form of the tenon assembly 36 can be changed according to the user's needs.

[0037] Please see Figure 4 , Figure 6 and Figure 8 As shown, one cable 38 is connected at both ends to the unlocking lever 35 and the upper end of the moving part 362, respectively, and the other cable 38 is connected at both ends to the connecting part 232 of the telescopic seat 23 and the lower end of the moving part 362, respectively.

[0038] This utility model has a locked state and an unlocked state in use. Please refer to [link / reference]. Figure 4 , Figure 7 and Figure 12 As shown, the locked state is when the two support rods 22 are approximately at a 90-degree angle to the base 10, allowing the user to place the pet house 11 on the base 10 and push or drag it. In the locked state, because the moving part 362 is pushed upwards by the elastic member 363, the upper guide rod 374 is positioned at the lower end of the oblique hole 372, and the latching protrusion 373 of the latch piece 364 passes through the latching hole 311 of the moving base 31, thereby locking the pivot rod 34 and preventing it from moving along the support rods 22. When the user wants to change from the locked state to the unlocked state, please refer to... Figure 3 and Figure 9 As shown, the unlocking lever 35 is pulled upward by the annular flange 351, which in turn moves the moving part 362 upward via the cable 38. During the movement, the upper guide rod 374 moves from the lower end to the upper end of the inclined hole 372, causing the latch piece 364 to move inward until the latch protrusion 373 is located inside the support rod 22. Please refer to [link / reference]. Figure 10 and Figure 11 As shown, the pivot rod 34 is not limited by the locking protrusion 373, so the user can push the grip 21 to pivot the two support rods 22 toward the base 10. During the pivoting process, the moving seat 31 moves up from the position adjacent to the limiting member 32 and simultaneously drives the pivot rod 34 to pivot, thus completing the folding of this utility model.

[0039] Please see Figure 12 As shown, in the aforementioned process, since one end of the pivot rod 34 is connected to the support rod 22 and the other end is connected to the base 10, the whole structure forms a stable triangular structure. Therefore, when the user applies a pushing or pulling force to the grip rod 21, the pivot rod 34 can further enhance the overall rigidity of the present invention, so as to prevent the present invention from being damaged or to prevent the support armrest from shaking.

[0040] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to a preferred embodiment, it is not intended to limit the present utility model. Anyone skilled in the art can make some modifications or alterations to the above-disclosed technical content as equivalent embodiments without departing from the scope of the present utility model's technical solution. Any simple modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of the present utility model without departing from the content of the present utility model's technical solution shall still fall within the scope of the present utility model's technical solution.

Claims

1. A trolley support with a stable structure, characterized in that, Include: A base; An armrest assembly includes a handle and two support rods, one end of each support rod being connected to one end of the handle, and the other end of each support rod being rotatably connected to the base. Two stabilizing components, each of which includes a movable seat, a pivot seat and a pivot rod. The movable seat is disposed on one of the support rods and is movable along the support rod. The pivot seat is disposed on the base. One end of the pivot rod is connected to the movable seat and the other end of the pivot rod is pivotally connected to the pivot seat.

2. The trolley support with a stable structure as described in claim 1, characterized in that, Each of the stabilizing components further includes a locking assembly that is attached to the support rod and can lock or release the movable seat.

3. The trolley support with a stable structure as described in claim 2, characterized in that, The latch assembly includes a fixing part, a moving part, an elastic element, and a latch piece. The fixing part has a tenon hole and is fixed inside the support rod. The moving part has a receiving groove and is movably disposed inside the support rod, with the fixing part located in the receiving groove. One end of the elastic element is disposed in the fixing part, and the other end of the elastic element is disposed in the receiving groove of the moving part. The latch piece has a latching protrusion and is movably disposed inside the tenon hole. The support rod has a lower hole, and the moving part has a latching hole. The latching protrusion can selectively pass through the lower hole and the latching hole.

4. The trolley support with a stable structure as described in claim 3, characterized in that, The fixing part has an inner moving hole, which is an elongated hole and extends in the vertical direction of the fixing part. The moving part has an outer moving hole, and the latch piece has an oblique hole that extends obliquely. An upper guide rod passes through the outer moving hole, the inner moving hole, and the oblique hole.

5. The trolley support with a stable structure as described in claim 4, characterized in that, It further includes two telescopic seats, two unlocking levers, and two cables. The two telescopic seats are disposed on the base and the two support rods are respectively inserted through the two telescopic seats. Each telescopic seat is provided with a connecting part and an elastic body. The connecting part can move along the telescopic seat, and the elastic body is disposed between the connecting part and the telescopic seat. The two unlocking levers are respectively movably disposed on the two support rods. One cable is connected at both ends to the unlocking lever and the upper end of the moving part, and the other cable is connected at both ends to the connecting part and the lower end of the moving part.

6. The trolley support with a stable structure as described in claim 5, characterized in that, The movable part has a guide hole that extends in the vertical direction, and the fixed part has a fixing hole. A guide rod passes through the support rod, the guide hole, and the fixing hole.

7. The trolley support with a stable structure as described in any one of claims 1 to 6, characterized in that, Each of the support rods further includes a guide rail extending along both ends of the support rod, and the movable seat is fitted onto the guide rail and can slide along the guide rail.

8. The trolley support with a stable structure as described in claim 1, characterized in that, Each of the stabilizing components further includes a limiting member disposed on the support rod and located below the movable base.

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