Handle folding mechanism and manual platform car

Abstract

The utility model relates to the technical field of handle folding mechanisms, and particularly discloses a handle folding mechanism and a manual platform car, the handle folding mechanism comprises two mounting seats, a locking block and a connecting rod, each mounting seat is provided with a chute, two ends of a handle are respectively hinged on the two mounting seats and can rotate along the up-down direction, and the locking block is connected with the connecting rod. The two locking blocks are rotatably installed in the two installation bases respectively, each locking block is provided with a locking position and an unlocking position, when the locking blocks are located at the locking positions, one end of each locking block can abut against the end of the handle to lock the handle, and when the locking blocks are located at the unlocking positions, the handle can be unlocked. The two ends of the connecting rod are arranged in the sliding grooves of the two installation bases in a penetrating mode respectively and connected with the two locking blocks respectively, when the connecting rod is pressed downwards, the connecting rod can drive the locking blocks to move to the unlocking position from the locking position so as to unlock the handle, the two ends of the handle can be unlocked at the same time only by stepping on the connecting rod with feet, and therefore the handle can be unlocked at the same time. And the operation is relatively convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of handle folding mechanisms, in particular to a handle folding mechanism and a manual platform vehicle. Background Art

[0002] A manual platform truck is a transport vehicle, which is usually driven by a handle. The operator holds the handle and drives the manual platform truck to move by the handle. When the handle is not in use, the handle needs to be folded. The existing handle folding mechanism is locked by a locking block, and then the locking block is unlocked by an unlocking switch. However, it is necessary to put the handle down and then operate the unlocking switch. The operation is more troublesome, and the handle usually cannot be limited. After unlocking, the handle may fall to the ground. Summary of the invention

[0003] The present utility model is made in consideration of the above-mentioned problems. The purpose of the utility model is to provide a handle folding mechanism and a manual platform vehicle. The handle can be unlocked by stepping on a connecting rod, which is easy to operate and can limit the handle to avoid hitting the ground.

[0004] In order to achieve the above-mentioned purpose, the utility model provides a handle folding mechanism, comprising:

[0005] Two mounting seats, each of which is provided with a slide groove, and the two ends of the handle are respectively hinged on the two mounting seats and can rotate in the up and down directions;

[0006] A locking block, wherein the two locking blocks are rotatably mounted in the two mounting seats respectively, and the locking block has a locking position and an unlocking position. When the locking block is in the locking position, one end of the locking block can abut against the end of the handle to lock the handle;

[0007] A connecting rod, both ends of which are respectively inserted into the sliding grooves of the two mounting seats, and both ends of the connecting rod are respectively connected to the two locking blocks. When the connecting rod is pressed down, the connecting rod can drive the locking block to move from the locking position to the unlocking position to unlock the handle.

[0008] According to the above-mentioned handle folding mechanism, the mounting seat includes two mounting plates arranged at intervals, the end of the handle is inserted between the two mounting plates and hinged to the two mounting plates, the locking block is located between the two mounting plates, and one end of the locking block is rotatably connected to the mounting plate through a rotating shaft, and the other end can abut against the end of the handle.

[0009] According to the handle folding mechanism described above, a torsion spring is provided on the rotating shaft, and the torsion spring is sleeved on the outside of the rotating shaft and is used to drive the locking block to remain in the locking position.

[0010] According to the handle folding mechanism described above, the handle is arched as a whole, and includes a gripping portion and two connecting portions, the upper ends of the two connecting portions are respectively connected to the two ends of the gripping portion, and the lower ends of the connecting portions are inserted between two adjacent mounting plates.

[0011] According to the above-mentioned handle folding mechanism, it also includes a fixed link, a first movable link and a second movable link. A connecting beam is provided between the two mounting seats. The fixed link is installed on the connecting beam along the vertical direction. One end of the first movable link is hinged to the upper end of the fixed link, one end of the second movable link is hinged to one end of the fixed link described in the principle of the first movable link, and the other end of the second movable link is hinged to the connecting part.

[0012] According to the handle folding mechanism described above, the slide groove is arc-shaped as a whole, and the slide groove is arranged on the mounting plate along an inclined direction. When the locking block is located at the locking position, the connecting rod is located at the top of the slide groove, and when the locking block is located at the unlocking position, the connecting rod is located at the bottom of the slide groove.

[0013] A manual platform vehicle, comprising:

[0014] Frame;

[0015] The handle folding mechanism as described above;

[0016] A handle is installed on the frame through the handle folding mechanism.

[0017] The utility model has the following beneficial effects:

[0018] 1. Use the torsion spring to exert torque on the locking block so that it can be kept in the locked position to lock the handle. When unlocking is required, the locking block can be driven to rotate by stepping on the connecting rod to move it to the unlocking position, so that both ends of the handle can be unlocked at the same time, which is easy to operate;

[0019] 2. The fixed link, the first movable link and the second movable link can assist the handle in folding and also limit its position. When the first movable link and the second movable link are straightened, the handle can be limited from further folding downward to prevent it from hitting the ground. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 2 is a schematic diagram of the overall structure of a manual platform vehicle of an embodiment;

[0021] Figure 2 is an overall structural diagram of the folding mechanism of the embodiment;

[0022] Figure 3 It is a schematic diagram of the assembly of the locking block and the handle of the embodiment.

[0023] In the figure:

[0024] 1. Mounting seat; 11. Mounting plate; 12. Slide groove; 2. Locking block; 3. Connecting rod; 4. Handle; 41. Grip portion; 42. Connecting portion; 5. Fixed connecting rod; 6. First movable connecting rod; 7. Second movable connecting rod; 8. Connecting crossbeam; 9. Frame. DETAILED DESCRIPTION

[0025] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0026] like Figure 1-3 As shown, a handle folding mechanism comprises two mounting seats 1, a locking block 2 and a connecting rod 3, each mounting seat 1 is provided with a sliding groove 12, two ends of the handle 4 are respectively hinged on the two mounting seats 1, and can be rotated in the up and down direction, thereby realizing the folding of the handle 4, the two locking blocks 2 are respectively rotatably installed in the two mounting seats 1, and the locking blocks 2 have a locking position and an unlocking position, when the locking block 2 is in the locking position, one end of the locking block 2 can abut against the end of the handle 4 to lock the handle 4, and when the locking block 2 is in the unlocking position, the handle 4 can be unlocked, the two ends of the connecting rod 3 are respectively penetrated in the sliding grooves 12 of the two mounting seats 1, and the two ends of the connecting rod 3 are respectively connected with the two locking blocks 2, when the connecting rod 3 is pressed down, the connecting rod 3 can drive the locking block 2 to move from the locking position to the unlocking position to unlock the handle 4, then only by stepping on the connecting rod 3, the two ends of the handle 4 can be unlocked at the same time, and the operation is more convenient.

[0027] Specifically, each mounting base 1 includes two mounting plates 11 arranged at intervals, the end of the handle 4 is inserted between the two mounting plates 11 and hinged to the two mounting plates 11, the locking block 2 is located between the two mounting plates 11, and one end of the locking block 2 is rotatably connected to the mounting plate 11 through a rotating shaft, and the other end can abut against the end of the handle 4 to limit the rotation of the handle 4. At the same time, in order to maintain the restriction on the handle 4, a torsion spring is provided on the rotating shaft. The torsion spring is sleeved on the outside of the rotating shaft, which provides a force acting on the rotating shaft, which is used to drive the locking block 2 to remain in the locked position, ensuring that the handle 4 is in a locked state and will not fold at will.

[0028] Specifically, the handle 4 is arched as a whole, and includes a gripping portion 41 and two connecting portions 42. The upper ends of the two connecting portions 42 are respectively connected to the two ends of the gripping portion 41, and the lower end of the connecting portion 42 is inserted between two adjacent mounting plates 11. The operator can apply a force by grasping the gripping portion 41, and the force is transmitted to the mounting seat 1 through the connecting portion 42, and then transmitted to the frame 9.

[0029] In order to assist the folding action of the handle 4 and limit the folding position of the handle 4, it also includes a fixed link 5, a first movable link 6 and a second movable link 7. A connecting beam 8 is provided between the two mounting seats 1. The fixed link 5 is installed on the connecting beam 8 in the vertical direction. One end of the first movable link 6 is hinged to the upper end of the fixed link 5, one end of the second movable link 7 is hinged to the first movable link 6 and one end of the fixed link 5, and the other end of the second movable link 7 is hinged to the connecting part 42. When the handle 4 rotates, the first movable link 6 and the second movable link 7 rotate accordingly. When the first movable link 6 and the second movable link 7 are straightened, they cannot continue to rotate at this time, and the handle 4 is also limited to prevent it from continuing to move downward and avoid hitting the ground.

[0030] In order to realize the driving of the locking block 2 by the connecting rod 3 to unlock, the slide groove 12 is arc-shaped as a whole, and the slide groove 12 is arranged on the mounting plate 11 along the inclined direction. When the locking block 2 is in the locking position, the connecting rod 3 is located at the top of the slide groove 12. When the locking block 2 is in the unlocking position, the connecting rod 3 is located at the bottom of the slide groove 12. When the connecting rod 3 is pressed down, it can be moved along the arc to satisfy the rotation of one end of the locking block 2.

[0031] A manual platform vehicle comprises a vehicle frame 9, a handle 4 flipping mechanism and a handle 4. The handle 4 is mounted on the vehicle frame 9 via the handle 4 folding mechanism.

[0032] The technical solution of the utility model is described in detail above in conjunction with the accompanying drawings, and the described embodiments are used to help understand the idea of ​​the utility model. The specific embodiments described herein are merely examples of the spirit of the utility model. A person skilled in the art of the utility model may make various modifications or supplements to the described specific embodiments or replace them in a similar manner, but this will not deviate from the spirit of the utility model or exceed the scope defined by the attached claims.

[0033] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0034] In addition, in the present invention, the descriptions of "first", "second", "one", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0035] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0036] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

Claims

1. A handle folding mechanism, characterized in that: include: Two mounting seats, each of which is provided with a slide groove, and the two ends of the handle are respectively hinged on the two mounting seats and can rotate in the up and down directions; A locking block, wherein the two locking blocks are rotatably mounted in the two mounting seats respectively, and the locking block has a locking position and an unlocking position. When the locking block is in the locking position, one end of the locking block can abut against the end of the handle to lock the handle; A connecting rod, both ends of which are respectively inserted into the sliding grooves of the two mounting seats, and both ends of the connecting rod are respectively connected to the two locking blocks. When the connecting rod is pressed down, the connecting rod can drive the locking block to move from the locking position to the unlocking position to unlock the handle.

2. A handle folding mechanism according to claim 1, characterized in that: The mounting base includes two mounting plates arranged at intervals, the end of the handle is inserted between the two mounting plates and hinged to the two mounting plates, the locking block is located between the two mounting plates, and one end of the locking block is rotatably connected to the mounting plate through a rotating shaft, and the other end can abut against the end of the handle.

3. A handle folding mechanism according to claim 2, characterized in that: The rotating shaft is provided with a torsion spring, which is sleeved on the outer side of the rotating shaft and is used to drive the locking block to remain in the locking position.

4. A handle folding mechanism according to claim 2, characterized in that: The handle is arched as a whole, and comprises a gripping portion and two connecting portions, wherein the upper ends of the two connecting portions are respectively connected to the two ends of the gripping portion, and the lower ends of the connecting portions are inserted between two adjacent mounting plates.

5. A handle folding mechanism according to claim 4, characterized in that: It also includes a fixed link, a first movable link and a second movable link. A connecting beam is provided between the two mounting seats. The fixed link is installed on the connecting beam in the vertical direction. One end of the first movable link is hinged to the upper end of the fixed link, one end of the second movable link is hinged to one end of the fixed link described in the principle of the first movable link, and the other end of the second movable link is hinged to the connecting part.

6. A handle folding mechanism according to claim 2, characterized in that: The slide groove is arc-shaped as a whole, and is arranged on the mounting plate along an inclined direction. When the locking block is located at the locking position, the connecting rod is located at the top of the slide groove, and when the locking block is located at the unlocking position, the connecting rod is located at the bottom of the slide groove.

7. A manual platform vehicle, characterized in that: include: Frame; The handle folding mechanism according to any one of claims 1 to 6; A handle is installed on the frame through the handle folding mechanism.

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