Speed-variable yacht trailer jack

Abstract

The utility model relates to a variable-speed yacht trailer jack, and belongs to the technical field of jacks, the variable-speed yacht trailer jack comprises a foundation column, an adjusting column and an extension column, the extension column is mounted on the ground, one end of the foundation column is embedded in the extension column, the foundation column is slidably connected with the extension column, one end of the adjusting column is embedded in the foundation column, and the adjusting column is slidably connected with the foundation column. And an electric push rod is fixed between the adjusting column and the foundation column. The device has the effect of widening the application range.

Description

Technical Field

[0001] The present application relates to the technical field of jacks, and in particular to a variable-speed yacht trailer jack. Background Art

[0002] A yacht trailer is a device that transports and moves yachts. With the gradual development of water sports, yachts are popular among outdoor sports enthusiasts, and the storage and use of yachts have become a concern for many people. The emergence of trailers has solved this problem well. The relationship between yachts and yacht trailers is close, and it facilitates the movement of yachts. The trailer roof in a yacht trailer is an indispensable device.

[0003] Jacks are mostly used to support trailers when they are separated from tractors. Existing yacht trailer jacks include a base portion and a lifting portion. The lifting portion and the base portion are slidably connected to connect the lifting portion to the yacht trailer, and the yacht trailer is lifted by lifting the lifting portion.

[0004] During their research and improvement, the R&D personnel found that the existing jack has a small lifting range. When the yacht trailer needs to be lifted higher, it is difficult to meet the conditions, and has the defect of a small scope of application. Utility Model Content

[0005] In order to achieve the effect of increasing the scope of application, the present application provides a variable speed yacht trailer jack.

[0006] The variable speed yacht trailer jack provided in this application adopts the following technical solution:

[0007] A variable speed yacht trailer jack comprises a basic column, an adjusting column and an extension column. The extension column is installed on the ground, one end of the basic column is embedded in the extension column, the basic column and the extension column are slidably connected, one end of the adjusting column is embedded in the basic column, the adjusting column and the basic column are slidably connected, and an electric push rod is fixed between the adjusting column and the basic column.

[0008] By adopting the above technical solution, when the jack is needed, first start the electric push rod to shorten the length of the adjustment column and the base column to the minimum, and then slide the extension column according to the needs of the yacht trailer to adjust the overall length of the base column and the extension column. When the overall length of the base column and the extension column is adjusted to the required length, connect the adjustment column and the yacht trailer, start the electric push rod, and use the jack. The setting of the extension column increases the lifting range of the jack, thereby achieving the effect of increasing the scope of application.

[0009] Optionally, the extension column is provided with a through hole, the base column is provided with a plurality of fixing grooves, the extension column is provided with a fixing rod, the fixing rod passes through the through hole and is embedded in any one of the fixing grooves, and the fixing rod, the extension column and the base column are all slidably connected.

[0010] By adopting the above technical solution, when it is necessary to adjust the overall length of the basic column and the extension column, pull out the fixing rod and slide the basic column to adjust the overall length of the basic column and the extension column. When the overall length of the basic column and the extension column is adjusted to the required length, slide the fixing rod back into the fixing groove to fix the basic column and the extension column. The setting of the fixing rod can achieve the effect of fixing the basic column and the extension column.

[0011] Optionally, a return spring is fixed to the ring sleeve on the fixing rod, and when the fixing rod passes through the through hole and is embedded in any one of the fixing grooves, the return spring is in a natural state.

[0012] By adopting the above technical solution, when it is necessary to adjust the overall length of the basic column and the extension column, pull out the fixing rod and slide the basic column to adjust the overall length of the basic column and the extension column. When the overall length of the basic column and the extension column is adjusted to the required length, release the fixing rod, and under the action of the reset spring, the fixing rod will bounce back to the fixing groove, avoiding the operator from manually sliding back to the fixing groove, thereby achieving a convenient and quick effect.

[0013] Optionally, a bearing plate is provided at one end of the extension column close to the ground, the bearing plate is in contact with the ground, a groove is provided on the bearing plate, and one end of the extension column is just embedded in the groove.

[0014] By adopting the above technical solution and setting the bearing plate, the extension column is supported, and the contact area between the bearing plate and the ground is larger, the jack is more stable, and the effect of increasing the stability of the jack is achieved.

[0015] Optionally, a plurality of reinforcement blocks are fixed on the bearing plate, and a reinforcement block is slidably provided on the reinforcement block. When the jack is used, one end of the reinforcement block is embedded in the reinforcement block, and the other end of the reinforcement block is embedded in the extension column.

[0016] By adopting the above technical solution, one end of the reinforcement block is embedded in the reinforcement block, and the other end of the reinforcement block is embedded in the extension column, so that the connection between the extension column and the reinforcement block is more secure, and thus the connection between the extension column and the bearing plate is more secure, achieving the effect of increasing the stability of the connection between the extension column and the bearing plate.

[0017] Optionally, a connecting spring is fixed between the reinforcing block and the reinforcement block. When one end of the reinforcing block is embedded in the extension column, the connecting spring is in a stretched state. When the connecting spring is in a natural state, the reinforcing block is completely separated from the extension column.

[0018] By adopting the above technical solution, when the jack is used, the reinforcement block is embedded in the extension column. When the jack is not in use, the jack is removed, and under the action of the connecting spring, the reinforcement block is pulled out and separated from the extension column, avoiding the operator to manually pull out the reinforcement block, thereby achieving a convenient and quick effect.

[0019] Optionally, a vertical rod is slidably provided on the reinforcement block. When the jack is used, the vertical rod passes through the reinforcement block and the bearing plate and is inserted into the ground. At this time, the reinforcement block and the vertical rod are tightly abutted, and the connecting spring is in a stretched state.

[0020] By adopting the above technical solution, when a jack is needed, the vertical rod is inserted into the ground through the reinforcement block and the load-bearing plate, so that the connection between the load-bearing plate and the ground is more secure, thereby achieving the effect of increasing the stability of the connection between the load-bearing plate and the ground; at the same time, the reinforcement block is pushed into the extension column to avoid the operator manually sliding the extension column, thereby achieving a convenient and quick effect.

[0021] Optionally, two clamping plates are provided on the adjusting column, and both clamping plates are slidably connected to the adjusting column, and the two clamping plates are used to fix the adjusting column and the yacht trailer.

[0022] By adopting the above technical solution and setting the clamping plate, the adjusting column and the yacht trailer are connected, thereby achieving the effect of connecting the adjusting column and the yacht trailer.

[0023] In summary, the present application includes at least one of the following beneficial technical effects:

[0024] 1. The setting of basic columns, adjustment columns, extension columns and electric push rods can achieve the effect of increasing the scope of application;

[0025] 2. Through the setting of holes, fixing grooves and fixing rods, the effect of fixing the foundation column and the extension column is achieved;

[0026] 3. The setting of the return spring, connecting spring and vertical rod achieves a convenient and quick effect;

[0027] 4. The setting of the bearing plate and the groove can increase the stability of the jack;

[0028] 5. The reinforcement block and strengthening block are set to increase the connection stability between the extension column and the bearing plate;

[0029] 6. The setting of the clamping plate achieves the effect of connecting the adjustment column and the yacht trailer. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present application;

[0031] Figure 2 It is a schematic diagram showing the structure of the connecting spring;

[0032] Figure 3 yes Figure 2 A partial enlarged schematic diagram of part A.

[0033] In the figure, 1, base column; 11, fixing groove; 2, adjustment column; 3, extension column; 31, through hole; 32, fixing rod; 33, reset spring; 4, electric push rod; 5, bearing plate; 51, groove; 52, reinforcement block; 53, reinforcement block; 54, connecting spring; 55, vertical rod; 6, clamping plate. DETAILED DESCRIPTION

[0034] The following is combined with Figure 1-3 This application is described in further detail.

[0035] The embodiment of the present application discloses a variable speed yacht trailer jack.

[0036] Reference Figure 1 A variable speed yacht trailer jack includes a base column 1, an adjusting column 2 and an extension column 3, wherein the base is the main part of the jack, the adjusting column 2 is used to adjust the height of the jack, and the extension column 3 is used to increase the applicable range of the jack.

[0037] Reference Figure 2 and Figure 3 The extension column 3 is arranged perpendicular to the ground, a bearing plate 5 is arranged at one end of the extension column 3 close to the ground, the bearing plate 5 is arranged parallel to the ground, the bearing plate 5 and the extension column 3 are perpendicular, the bearing plate 5 abuts against the ground, a groove 51 is provided on the side of the bearing plate 5 away from the ground, the groove 51 is provided at the center position of the bearing plate 5, the end of the extension column 3 close to the bearing plate 5 is embedded in the groove 51, the extension column 3 and the bearing plate 5 are slidably connected, and the sliding direction is set along the length direction of the extension column 3.

[0038] Four reinforcement blocks 52 are arranged on the side of the bearing plate 5 away from the ground, and the four reinforcement blocks 52 are all fixedly connected to the bearing plate 5, and the four reinforcement blocks 52 are all perpendicular to the bearing plate 5, and each reinforcement block 52 corresponds to a side wall of the extension column 3, and a connecting spring 54 is arranged inside the reinforcement block 52, and the length direction of the connecting spring 54 is perpendicular to the side wall close to the extension column 3, one end of the connecting spring 54 is fixedly connected to the reinforcement block 52, and a reinforcing block 53 is arranged at the end of the connecting spring 54 away from the reinforcement block 52, and one end of the reinforcing block 53 in the length direction is fixedly connected to the connecting spring 54, and the length direction of the reinforcing block 53 is the same as the length direction of the connecting spring 54, the reinforcing block 53 and the reinforcement block 52 are slidably connected, and the sliding direction is arranged along the length direction of the connecting spring 54, and the end of the reinforcing block 53 close to the connecting spring 54 is always inside the reinforcement block 52.

[0039] A vertical rod 55 is provided on the reinforcement block 52, and the vertical rod 55 passes through the reinforcement block 52 and the bearing plate 5 and is inserted into the ground. The vertical rod 55, the reinforcement block 52 and the bearing plate 5 are all slidably connected, and the sliding direction is set along the vertical direction. At this time, the vertical rod 55 and the reinforcement block 53 are tightly abutted, and the connecting spring 54 is in a stretched state. The reinforcement block 53 is embedded in the extension column 3 at one end away from the connecting spring 54, and the vertical rod 55 is slid. When the vertical rod 55 is completely separated from the reinforcement block 52 and the bearing plate 5, the connecting spring 54 is in a natural state, and the end of the reinforcement block 53 close to the extension column 3 is completely separated from the extension column 3.

[0040] When the jack is needed, move it to the position where it is needed, make the bearing plate 5 abut against the ground, insert the vertical rod 55, and the vertical rod 55 will push out the reinforcing block 53. The reinforcing block 53 is embedded in the extension column 3 at one end away from the connecting spring 54. At this time, the connecting spring 54 is in a natural state and can be used. When the jack is not needed, pull out the vertical rod 55, and under the action of the connecting spring 54, pull out the reinforcing block 53. The reinforcing block 53 is completely separated from the extension column 3, and the jack can be removed.

[0041] Reference Figure 2 and Figure 3 One end of the basic column 1 is embedded in the extension column 3, the length direction of the basic column 1 is the same as the length direction of the extension column 3, the basic column 1 and the extension column 3 are slidably connected, and the sliding direction is set along the length direction of the extension column 3. A through hole 31 is opened on the end of the extension column 3 away from the bearing plate 5, and a plurality of fixing grooves 11 are opened on the basic column 1. The plurality of fixing grooves 11 are arranged at equal intervals along the length direction of the basic column 1, and the length directions of the plurality of fixing grooves 11 are perpendicular to the length direction of the basic column 1.

[0042] A fixing rod 32 is provided on the extension column 3, and the fixing rod 32 passes through the through hole 31 and is embedded in any one of the fixing grooves 11. The fixing rod 32, the extension column 3 and the base column 1 are all slidably connected, and the sliding direction is set along the length direction of the fixing groove 11. A return spring 33 is provided on the ring sleeve of the fixing rod 32, and the length direction of the return spring 33 is the same as the length direction of the fixing rod 32. One end of the return spring 33 is fixedly connected to the outer wall of the extension column 3, and the other end of the return spring 33 is fixedly connected to one end of the fixing rod 32 that is exposed to the fixing groove 11. When the fixing rod 32 passes through the through hole 31 and is embedded in any one of the fixing grooves 11, the return spring 33 is in a natural state.

[0043] When the overall length of the base column 1 and the extension column 3 needs to be adjusted, the fixing rod 32 is pulled out and the base column 1 is slid to adjust the overall length of the base column 1 and the extension column 3. When the overall length of the base column 1 and the extension column 3 is adjusted to the desired length, the fixing rod 32 is released to complete the adjustment.

[0044] Reference Figure 1One end of the adjusting column 2 is embedded in the basic column 1, the adjusting column 2 and the basic column 1 are slidably connected, and the sliding direction is set along the length direction of the basic column 1. An electric push rod 4 is set between the adjusting column 2 and the basic column 1. The length direction of the electric push rod 4 is the same as the length direction of the basic column 1. The power end of the electric push rod 4 is fixedly connected to the basic column 1, and one end of the piston rod of the electric push rod 4 is fixedly connected to the adjusting column 2. When the height of the adjusting column 2 needs to be adjusted, the electric push rod 4 can be started for adjustment.

[0045] Two clamping plates 6 are arranged on the side wall of the adjusting column 2, and the two clamping plates 6 are perpendicular to the side wall of the adjusting column 2. The two clamping plates 6 are slidably connected to the adjusting column 2, and the sliding direction is arranged along the length direction of the adjusting column 2. When the jack is used, the two clamping plates 6 clamp the yacht trailer, thereby fixing the jack and the yacht trailer.

[0046] The implementation principle of a variable-speed yacht trailer jack in an embodiment of the present application is: when the jack is needed, the jack is placed at the position where it is needed, the vertical rod 55 is inserted, the fixing rod 32 is pulled out, the base column 1 is slid, and then the clamping plate 6 is slid to install the jack, the electric push rod 4 is started, and the jack can be used.

[0047] The embodiments of this specific implementation method are all preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. Therefore, all equivalent changes made based on the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A variable speed yacht trailer jack, characterized in that: The utility model comprises a basic column (1), an adjusting column (2) and an extension column (3), wherein the extension column (3) is installed on the ground, one end of the basic column (1) is embedded in the extension column (3), the basic column (1) and the extension column (3) are slidably connected, one end of the adjusting column (2) is embedded in the basic column (1), the adjusting column (2) and the basic column (1) are slidably connected, and an electric push rod (4) is fixed between the adjusting column (2) and the basic column (1).

2. The variable speed yacht trailer jack according to claim 1, characterized in that: The extension column (3) is provided with a through hole (31), the base column (1) is provided with a plurality of fixing grooves (11), the extension column (3) is provided with a fixing rod (32), the fixing rod (32) passes through the through hole (31) and is embedded in any one of the fixing grooves (11), and the fixing rod (32) and the extension column (3) and the base column (1) are all slidably connected.

3. The variable speed yacht trailer jack according to claim 2, characterized in that: A return spring (33) is fixed to the upper ring sleeve of the fixing rod (32). When the fixing rod (32) passes through the through hole (31) and is embedded in any fixing groove (11), the return spring (33) is in a natural state.

4. The variable speed yacht trailer jack according to claim 1, characterized in that: A bearing plate (5) is arranged at one end of the extension column (3) close to the ground. The bearing plate (5) is in contact with the ground. A groove (51) is provided on the bearing plate (5). One end of the extension column (3) is just embedded in the groove (51).

5. The variable speed yacht trailer jack according to claim 4, characterized in that: A plurality of reinforcing blocks (52) are fixed on the bearing plate (5), and a reinforcing block (53) is slidably arranged on the reinforcing block (52). When the jack is used, one end of the reinforcing block (53) is embedded in the reinforcing block (52), and the other end of the reinforcing block (53) is embedded in the extension column (3).

6. The variable speed yacht trailer jack according to claim 5, characterized in that: A connecting spring (54) is fixed between the reinforcing block (53) and the reinforcement block (52); when one end of the reinforcing block (53) is embedded in the extension column (3), the connecting spring (54) is in a stretched state; when the connecting spring (54) is in a natural state, the reinforcing block (53) is completely separated from the extension column (3).

7. The variable speed yacht trailer jack according to claim 6, characterized in that: A vertical rod (55) is slidably provided on the reinforcing block (52). When the jack is used, the vertical rod (55) passes through the reinforcing block (52) and the bearing plate (5) and is inserted into the ground. At this time, the reinforcing block (53) and the vertical rod (55) are tightly abutted, and the connecting spring (54) is in a stretched state.

8. The variable speed yacht trailer jack according to claim 1, characterized in that: Two clamping plates (6) are arranged on the adjusting column (2), and the two clamping plates (6) are both slidably connected to the adjusting column (2). The two clamping plates (6) are used to fix the adjusting column (2) and the yacht trailer.

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