Trolley traction support frame

Abstract

The utility model relates to the technical field of trolleys, in particular to a trolley traction supporting frame which comprises a trolley storage plate, a moving assembly, a fixing assembly, a steering assembly and a control assembly. The moving assembly comprises a supporting seat, a rotating shaft, two moving wheels and two ratchet wheels, the supporting seat is fixedly connected with the cart storage plate and located at the bottom of the cart storage plate, the rotating shaft is rotationally connected with the supporting seat and penetrates through the supporting seat, the two moving wheels are fixedly connected with the rotating shaft and located at the two ends of the rotating shaft, and the ratchet wheels are fixedly connected with the rotating shaft and located at the two ends of the rotating shaft. The two ratchet wheels are fixedly connected with the rotating shaft respectively and located on the inner sides of the two moving wheels respectively, the fixing assembly, the steering assembly and the control assembly are connected with a cart storage plate respectively, and the problems that when the cart traction supporting frame is used, the universal wheels are fixed through contact of brake blocks and the universal wheels, and when the cargo mass is too large, the cart storage plate is damaged are solved. Due to the large inertia, the fixed universal wheels can rotate easily, the cart moves, and potential safety hazards are caused.

Description

Technical Field

[0001] The utility model relates to the technical field of wheelbarrows, in particular to a traction support frame for a wheelbarrow. Background Art

[0002] In the prior art, when a trolley is being transported, the support frame is pushed to move it. However, when moving on a road surface with a steep slope, the trolley will slide due to the effect of gravity. The operator can only pull the trolley in the opposite direction to limit the brake, which is laborious and dangerous.

[0003] The existing announcement number CN219115537U discloses a trolley traction support frame, including a base, a universal wheel fixedly installed at the lower end of the bottom of the base, a fixed box fixedly installed at the lower end of the base, a limit device is arranged in the fixed box, the limit device includes a limit block, a limit rod, a limit spring, a hinge rod, a pull rod, a connecting rod and a brake block, the limit block is slidably connected to the inside of the fixed box, the right end of the limit block is fixedly connected to the limit rod, the limit rod passes through the fixed box and is slidably connected to the fixed box, and the limit spring is arranged inside the fixed box. The trolley traction support frame drives the brake block at the lower end to contact with the universal wheel by setting the limit device, thereby improving the friction of the universal wheel, so as to achieve the braking of the entire trolley, so that the brake is fixed, and the trolley can be controlled to brake at any time, which is convenient and simple to use, and the stability of the trolley stopping is improved by setting the support device.

[0004] However, when the above-mentioned trolley traction support frame is in use, the universal wheel is fixed by contacting the brake block with the universal wheel. When the weight of the goods is too large, the large inertia can easily cause the fixed universal wheel to rotate, causing the trolley to move, causing a safety hazard. Utility Model Content

[0005] The utility model aims to provide a trolley traction support frame, which solves the problem that when the trolley traction support frame is in use, the universal wheel is fixed by contacting the brake block with the universal wheel. When the mass of the goods is too large, the large inertia easily causes the fixed universal wheel to rotate, causing the trolley to move and causing safety hazards.

[0006] To achieve the above-mentioned objectives, the utility model provides a trolley traction support frame, including a trolley storage plate, a moving component, a fixed component, a steering component and a control component; the moving component includes a support seat, a rotating shaft, a moving wheel and a ratchet, the support seat is fixedly connected to the trolley storage plate and is located at the bottom of the trolley storage plate, the rotating shaft is rotatably connected to the support seat and passes through the support seat, the number of the moving wheels is two, the two moving wheels are respectively fixedly connected to the rotating shaft and are located at both ends of the rotating shaft, the number of the ratchet wheels is two, the two ratchet wheels are respectively fixedly connected to the rotating shaft and are respectively located on the inner sides of the two moving wheels, the fixed component, the steering component and the control component are respectively connected to the trolley storage plate.

[0007] Among them, the fixing assembly includes a motor, a support plate, a screw and a guide rod, the motor is fixedly connected to the support seat and is located on the outside of the support seat, the support plate is fixedly connected to the cart storage plate and is located at the bottom of the cart storage plate, the screw is connected to the motor and passes through the support seat, and the guide rod is fixedly connected to the support seat and is located between the support seat and the support plate.

[0008] In which, the fixing assembly also includes a movable seat, a connecting block, a fixed seat and a ratchet. The movable seat is threadedly connected to the screw rod and is located on the outside of the screw rod and the guide rod. The number of the connecting blocks is two, and the two connecting blocks are respectively fixedly connected to the movable seat and are respectively located on both sides of the movable seat. A fixed seat is respectively fixedly connected to the outside of each connecting block. The number of the ratchet is multiple, and the multiple ratchet are respectively fixedly connected to the fixed seat and are respectively located at the bottom of the fixed seat.

[0009] Among them, the steering assembly includes a connecting seat, a steering seat and a roller. The number of the connecting seats is two, and the two connecting seats are respectively fixedly connected to the cart storage plate and are respectively located at the bottom of the cart storage plate. The number of the steering seats is two, and the two steering seats are respectively rotatably connected to the connecting seat and are respectively located at the bottom of the connecting seat. The number of the rollers is two, and the two rollers are respectively rotatably connected to the steering seat and are respectively located in the middle of the steering seat.

[0010] In which, the control component includes a fixed rod, a connecting rod, a mounting rod and a push handle. The fixed rod is fixedly connected to the cart storage plate and is located on the outside of the cart storage plate. There are two connecting rods. The two connecting rods are respectively fixedly connected to the fixed rod and are respectively located on the outside of the fixed rod. The mounting rod is detachably connected to the connecting rod and passes through the connecting rod. The push handle is detachably connected to the mounting rod and is located between the two connecting rods.

[0011] The trolley traction support frame of the utility model has the trolley storage plate providing support for the goods, the support seat providing support for the moving assembly, and the rotating shaft providing transmission effect for the moving wheel. Through the rotation of the moving wheel and the roller, the trolley storage plate is conveniently moved to a required position. When the position of the trolley storage plate is fixed, the ratchet wheel is fixed by the fixing assembly so that the rotating shaft and the moving wheel stop rotating, thereby preventing the trolley storage plate from moving during loading and unloading of goods. This solves the problem that when the trolley traction support frame is in use, the universal wheel is fixed by the contact between the brake block and the universal wheel. When the mass of the goods is too large, the large inertia easily causes the fixed universal wheel to rotate, causing the trolley to move, thereby causing a safety hazard. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0013] Figure 1 It is a schematic diagram of the overall structure of the trolley traction support frame of the first embodiment of the utility model.

[0014] Figure 2 It is a structural schematic diagram of the moving assembly of the first embodiment of the utility model.

[0015] Figure 3 It is a structural schematic diagram of the fixing assembly of the first embodiment of the utility model.

[0016] Figure 4 It is a structural schematic diagram of a steering assembly of the first embodiment of the utility model.

[0017] In the figure: 101-trolley storage plate, 102-support seat, 103-rotating shaft, 104-moving wheel, 105-ratchet, 106-motor, 107-support plate, 108-screw, 109-guide rod, 110-moving seat, 111-connecting block, 112-fixed seat, 113-ratchet, 114-connecting seat, 115-steering seat, 116-roller, 117-fixed rod, 118-connecting rod, 119-installing rod, 120-push handle. DETAILED DESCRIPTION

[0018] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0019] The first embodiment of the present application is:

[0020] See also Figures 1 to 3 ,in, Figure 1 This is a schematic diagram of the overall structure of the trolley traction support frame of the first embodiment of the utility model. Figure 2 is a schematic structural diagram of a mobile assembly of the first embodiment of the utility model, Figure 3 is a schematic structural diagram of a fixing assembly of the first embodiment of the utility model, Figure 4 1 is a schematic diagram of the structure of the steering assembly of the first embodiment of the utility model. The utility model provides a trolley traction support frame, including a trolley storage plate 101, a moving assembly, a fixed assembly, a steering assembly and a control assembly. The moving assembly includes a support seat 102, a rotating shaft 103, a moving wheel 104 and a ratchet 105. The fixed assembly includes a motor 106, a support plate 107, a screw rod 108, a guide rod 109, a moving seat 110, a connecting block 111, a fixed seat 112 and a ratchet 113. The steering assembly includes a connecting seat 114 , steering seat 115 and roller 116, the control component includes a fixing rod 117, a connecting rod 118, a mounting rod 119 and a push handle 120; the above-mentioned scheme solves the problem that when the trolley traction support frame is in use, the universal wheel is fixed by the contact between the brake block and the universal wheel. When the mass of the goods is too large, the large inertia can easily cause the fixed universal wheel to rotate, causing the trolley to move and causing a safety hazard. It can be understood that the above-mentioned scheme can be used in the scenario of fixing the position of the trolley, and can also be used to solve the steering problem of the trolley.

[0021] According to the present specific embodiment, the support seat 102 is fixedly connected to the cart storage plate 101 and is located at the bottom of the cart storage plate 101. The rotating shaft 103 is rotatably connected to the support seat 102 and passes through the support seat 102. The number of the moving wheels 104 is two, and the two moving wheels 104 are respectively fixedly connected to the rotating shaft 103 and are located at both ends of the rotating shaft 103. The number of the ratchet wheels 105 is two, and the two ratchet wheels 105 are respectively fixedly connected to the rotating shaft 103 and are respectively located on the inner sides of the two moving wheels 104. The fixing assembly, the steering assembly and the control assembly are The components are respectively connected to the cart storage plate 101, the cart storage plate 101 provides support for the goods, the support seat 102 provides support for the moving component, and the rotating shaft 103 provides a transmission effect for the moving wheel 104. Through the rotation of the moving wheel 104 and the roller 116, the cart storage plate 101 is conveniently moved to a required position. When the position of the cart storage plate 101 is fixed, the ratchet 105 is fixed by the fixing component, so that the rotating shaft 103 and the moving wheel 104 stop rotating, thereby preventing the cart storage plate 101 from moving when loading and unloading goods.

[0022] Among them, the motor 106 is fixedly connected to the support seat 102 and is located on the outside of the support seat 102, the support plate 107 is fixedly connected to the cart storage plate 101 and is located at the bottom of the cart storage plate 101, the screw rod 108 is connected to the motor 106 and passes through the support seat 102, the guide rod 109 is fixedly connected to the support seat 102 and is located between the support seat 102 and the support plate 107, the motor 106 provides power for the fixed assembly, the support plate 107 provides support for the screw rod 108 and the guide rod 109, the screw rod 108 provides a limiting function for the moving seat 110, and the guide rod 109 provides a guiding function for the moving seat 110.

[0023] Secondly, the movable seat 110 is threadedly connected to the screw rod 108 and is located on the outside of the screw rod 108 and the guide rod 109. The number of the connecting blocks 111 is two, and the two connecting blocks 111 are fixedly connected to the movable seat 110 and are located on both sides of the movable seat 110. The outside of each connecting block 111 is fixedly connected to a fixed seat 112. The number of the ratchet bars 113 is multiple, and the multiple ratchet bars 113 are fixedly connected to the fixed seat 112 and are located at the bottom of the fixed seat 112. The movable seat 110 The connecting block 111 and the fixing seat 112 are provided with support, and the ratchet 105 is fixed by the ratchet bar 113. When the position of the cart storage plate 101 is fixed, the lead screw 108 is driven to rotate by the motor 106, so that the movable seat 110 moves along the guide rod 109, and at the same time drives the connecting block 111 and the fixing seat 112 to move, so that the ratchet bar 113 and the ratchet 105 are engaged with each other, so as to achieve the purpose of fixing the ratchet 105, and at the same time fix the rotating shaft 103 and the movable wheel 104.

[0024] Again, there are two connecting seats 114, which are fixedly connected to the cart storage plate 101 and located at the bottom of the cart storage plate 101. There are two steering seats 115, which are rotatably connected to the connecting seats 114 and located at the bottom of the connecting seats 114. There are two rollers 116, which are rotatably connected to the steering seats 115 and located in the middle of the steering seats 115. The connecting seat 114 provides support for the steering seats 115 and the rollers 116. When the cart storage plate 101 is pushed, the rolling of the rollers 116 facilitates the pushing of the cart storage plate 101. The rotation of the steering seat 115 drives the angle of the rollers 116 to shift, which facilitates the pushing of the cart storage plate 101 to turn.

[0025] Finally, the fixing rod 117 is fixedly connected to the cart storage plate 101 and is located on the outside of the cart storage plate 101. There are two connecting rods 118. The two connecting rods 118 are respectively fixedly connected to the fixing rod 117 and are respectively located on the outside of the fixing rod 117. The mounting rod 119 is detachably connected to the connecting rod 118 and passes through the connecting rod 118. The push handle 120 is detachably connected to the mounting rod 119 and is located between the two connecting rods 118. The fixing rod 117 provides support for the control assembly, and the connecting rod 118 provides support and limiting effects for the mounting rod 119. The mounting rod 119 facilitates the fixing of the push handle 120 between the connecting rods 118. By pushing the push handle 120, the cart storage plate 101 is conveniently pushed along the moving wheel 104 and the roller 116.

[0026] When the trolley traction support frame of the present embodiment is used, the trolley storage plate 101 provides support for the goods, the support seat 102 provides support for the moving assembly, and the rotating shaft 103 provides a transmission effect for the moving wheel 104. Through the rotation of the moving wheel 104 and the roller 116, the trolley storage plate 101 is easily moved to a required position. When the position of the trolley storage plate 101 is fixed, the ratchet 105 is fixed by the fixing assembly so that the rotating shaft 103 and the moving wheel 104 stop rotating, thereby preventing the trolley storage plate 101 from moving during loading and unloading of goods. This solves the problem that when the trolley traction support frame is in use, the universal wheel is fixed by the contact between the brake block and the universal wheel. When the mass of the goods is too large, the large inertia easily causes the fixed universal wheel to rotate, causing the trolley to move, causing a safety hazard.

[0027] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A trolley traction support frame, comprising a trolley storage plate, characterized in that: It also includes moving components, fixed components, steering components and control components; The moving assembly includes a support seat, a rotating shaft, a moving wheel and a ratchet. The support seat is fixedly connected to the cart storage plate and is located at the bottom of the cart storage plate. The rotating shaft is rotatably connected to the support seat and passes through the support seat. There are two moving wheels, and the two moving wheels are respectively fixedly connected to the rotating shaft and are located at both ends of the rotating shaft. There are two ratchets, and the two ratchets are respectively fixedly connected to the rotating shaft and are respectively located on the inner sides of the two moving wheels. The fixing assembly, the steering assembly and the control assembly are respectively connected to the cart storage plate.

2. The trolley traction support frame according to claim 1, characterized in that: The fixing assembly includes a motor, a support plate, a screw rod and a guide rod. The motor is fixedly connected to the support seat and is located on the outside of the support seat. The support plate is fixedly connected to the cart storage plate and is located at the bottom of the cart storage plate. The screw rod is connected to the motor and passes through the support seat. The guide rod is fixedly connected to the support seat and is located between the support seat and the support plate.

3. The trolley traction support frame according to claim 2, characterized in that: The fixing assembly also includes a movable seat, a connecting block, a fixed seat and a ratchet. The movable seat is threadedly connected to the screw rod and is located on the outside of the screw rod and the guide rod. There are two connecting blocks, and the two connecting blocks are respectively fixedly connected to the movable seat and are respectively located on both sides of the movable seat. A fixed seat is fixedly connected to the outside of each connecting block. There are multiple ratches, and the multiple ratches are respectively fixedly connected to the fixed seat and are respectively located at the bottom of the fixed seat.

4. The trolley traction support frame according to claim 1, characterized in that: The steering assembly includes a connecting seat, a steering seat and a roller. There are two connecting seats, and the two connecting seats are respectively fixedly connected to the cart storage plate and are respectively located at the bottom of the cart storage plate. There are two steering seats, and the two steering seats are respectively rotatably connected to the connecting seat and are respectively located at the bottom of the connecting seat. There are two rollers, and the two rollers are respectively rotatably connected to the steering seat and are respectively located in the middle of the steering seat.

5. The trolley traction support frame according to claim 1, characterized in that: The control assembly includes a fixed rod, a connecting rod, a mounting rod and a push handle. The fixed rod is fixedly connected to the cart storage plate and is located on the outside of the cart storage plate. There are two connecting rods. The two connecting rods are respectively fixedly connected to the fixed rod and are respectively located on the outside of the fixed rod. The mounting rod is detachably connected to the connecting rod and passes through the connecting rod. The push handle is detachably connected to the mounting rod and is located between the two connecting rods.

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