Self-locking, labor-saving and portable furniture jack

Abstract

The utility model provides a furniture jack which can be self-locked, saves labor and is convenient to carry. The furniture jack comprises a bottom plate, and a spur rack is fixedly installed on the top of the bottom plate; and the movable plate is arranged on the inner side face of the bottom plate, a shell is fixedly installed at the top of the movable plate, and a worm is rotationally connected into the shell. According to the self-locking, labor-saving and convenient-to-carry furniture jack, the ratchet handle and the worm are driven to rotate by rotating the grip, a lever is formed between the ratchet handle and the worm, operation is labor-saving, in the lifting process, the worm and worm gear mechanical structure is self-locked, relative sliding cannot occur, and the furniture jack is convenient to carry. According to the lifting device, the middle and large objects can be stably lifted by rotating the handle, so that the safety is improved, and after the use is finished, the handle is rotated on the inner side surface of the rotating groove, so that the handle can be stored, the occupied space is reduced, the carrying is convenient, and the user experience is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of jacks, in particular to a furniture jack which is self-locking, labor-saving and convenient to carry. Background Art

[0002] As a lifting machinery, jacks are widely used and come in various sizes. As people's requirements for quality of life continue to increase, the design and functions of furniture are becoming increasingly diversified. In order to meet different needs, furniture jacks came into being. They can help people easily adjust the height, angle or horizontal position of furniture to obtain a more comfortable and suitable use experience.

[0003] Most of the furniture jacks in the prior art are hand-held, and use the friction principle to provide lifting force, which is convenient for people to lift large objects such as furniture when used. However, during the use of the hand-held furniture lifter, the lifting force is generated by the grip of the wrist. If the large objects such as furniture are too heavy, the lifting process is very laborious. If the weight of the object is greater than the friction, relative sliding may occur, which is unsafe to use. In this case, the grip-type furniture jack cannot be used normally, resulting in a low user experience and laborious use.

[0004] Therefore, it is necessary to provide a furniture jack that is self-locking, labor-saving and easy to carry to solve the above technical problems. Utility Model Content

[0005] The utility model provides a furniture jack which is self-locking, labor-saving and easy to carry, thereby solving the problems of labor-intensive furniture lifting, low safety and reduced user experience.

[0006] In order to solve the above technical problems, the utility model provides a furniture jack which is self-locking, labor-saving and easy to carry, comprising:

[0007] A bottom plate, a spur rack being fixedly mounted on the top of the bottom plate;

[0008] A movable plate, the movable plate is arranged on the inner side of the bottom plate, a housing is fixedly mounted on the top of the movable plate, a worm is rotatably connected inside the housing, a vortex gear is meshed at the bottom of the worm, and the vortex gear is meshed with one side of the spur rack;

[0009] A ratchet handle is fixedly mounted on the outer side surface of one end of the worm, a rotation groove is provided at one end of the ratchet handle, and a handle is rotatably connected to the inner side surface of the rotation groove.

[0010] Preferably, a slide groove is provided inside one side of the shell, and the spur rack is arranged on the inner side surface of the slide groove.

[0011] Preferably, the vortex gear is rotatably connected to the inner side surface of the housing, and the ratchet handle is arranged on the other side of the housing.

[0012] Preferably, side panels are provided on both sides of the bottom plate, one side of the two side panels is provided with an installation groove, the installation groove is sleeved on the outer side surface of the bottom plate, both ends of the top of the two side panels are provided with a rotation groove, and the inner side surface of the rotation groove is provided with a roller.

[0013] Preferably, the roller is internally rotatably connected with a rotating shaft, and two ends of the rotating shaft are respectively fixedly mounted on two sides of the inner side surface of the rotating groove.

[0014] Preferably, a locking screw is provided inside the side plate, and one end of the locking screw is threadedly connected to the inside of the inner side surface of the bottom plate.

[0015] Preferably, a sliding cavity is provided inside the handle, an extension rod is slidably connected to the inner side surface of the sliding cavity, and an extension handle is fixedly mounted on one end of the extension rod.

[0016] Preferably, the top and bottom of the extension rod are provided with limit grooves, and one end of the top and bottom of the inner side of the sliding cavity is fixedly installed with a limit block, and the limit block is slidably connected to the inner side of the limit groove.

[0017] Preferably, a metal plate is fixedly mounted on one end of the extension rod, a magnetic plate is magnetically attracted to one side of the metal plate, and the magnetic plate is fixedly mounted on the other end of the inner side surface of the sliding cavity.

[0018] Preferably, a groove is provided on the top of the movable plate, a rubber pad is provided on the inner side of the groove, and the top of the rubber pad is higher than the top of the movable plate.

[0019] Compared with the related art, the furniture jack provided by the utility model which is self-locking, labor-saving and easy to carry has the following beneficial effects:

[0020] The utility model provides a furniture jack which is self-locking, labor-saving and easy to carry. The ratchet handle and the worm are driven to rotate by rotating the handle, so that a lever is formed between the ratchet handle and the worm, which is labor-saving to operate. In the lifting process, the mechanical structure of the worm gear is self-locking and will not slide relative to each other, so that medium and large objects can be lifted stably, thereby increasing safety. After use, the handle can be rotated on the inner side of the rotating groove by rotating it, so that the handle can be stored, which reduces the space occupied and is convenient to carry, thereby improving user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1A structural schematic diagram of a first embodiment of a furniture jack provided by the utility model that is self-locking, labor-saving and easy to carry;

[0022] Figure 2 for Figure 1 The side cross-sectional structural schematic diagram shown;

[0023] Figure 3 for Figure 1 The schematic diagram of the ratchet handle structure shown;

[0024] Figure 4 A structural schematic diagram of a second embodiment of a furniture jack provided by the utility model that is self-locking, labor-saving and easy to carry;

[0025] Figure 5 for Figure 4 The schematic diagram of the side panel structure from top view shown;

[0026] Figure 6 A structural schematic diagram of a third embodiment of a furniture jack that is self-locking, labor-saving and easy to carry provided by the utility model;

[0027] Figure 7 The present invention is a structural schematic diagram of a fourth embodiment of a furniture jack which is self-locking, labor-saving and easy to carry.

[0028] Numbers in the figure: 1, bottom plate, 11, spur rack, 2, moving plate, 21, housing, 22, slide groove, 23, vortex gear, 24, worm gear, 3, ratchet handle, 31, rotating groove, 4, handle, 5, side plate, 51, mounting groove, 52, rotating groove, 53, locking screw, 54, rotating shaft, 55, roller, 6, slide cavity, 61, extension rod, 62, extension handle, 63, limit groove, 64, limit block, 65, metal plate, 66, magnetic plate, 7, groove, 71, rubber pad. DETAILED DESCRIPTION

[0029] The utility model is further described below in conjunction with the accompanying drawings and implementation modes. Example

[0030] Please refer to Figure 1 , Figure 2 , Figure 3 ,in, Figure 1 A structural schematic diagram of a first embodiment of a furniture jack provided by the utility model that is self-locking, labor-saving and easy to carry; Figure 2 for Figure 1 The side cross-sectional structural schematic diagram shown; Figure 3 for Figure 1The schematic diagram of the ratchet handle structure is shown. A furniture jack that can be self-locking, labor-saving, and easy to carry includes: a bottom plate 1, a spur rack 11 is fixedly installed on the top of the bottom plate 1;

[0031] A movable plate 2, wherein the movable plate 2 is arranged on the inner side of the bottom plate 1, a housing 2 is fixedly mounted on the top of the movable plate 2, a worm 24 is rotatably connected inside the housing 21, a vortex gear 23 is meshed at the bottom of the worm 24, and the vortex gear 23 is meshed with one side of the spur rack 11;

[0032] The ratchet handle 3 is fixedly mounted on the outer side surface of one end of the worm 24 . A rotation groove 31 is formed at one end of the ratchet handle 3 , and a handle 4 is rotatably connected to the inner side surface of the rotation groove 31 .

[0033] A slide groove 22 is formed inside one side of the housing 21 , and the spur rack 11 is disposed on the inner side of the slide groove 22 .

[0034] The vortex gear 23 is rotatably connected to the inner side surface of the housing 1 , and the ratchet handle 3 is disposed on the other side of the housing 21 .

[0035] The bottom plate 1 and the movable plate 2 are made of stainless steel with high hardness, which can better fit the floor and furniture of the use environment. After use, the furniture jack is easy and convenient to store, and it takes up little space, thereby improving the user experience;

[0036] The housing 21 is made of aluminum alloy.

[0037] The working principle of the furniture jack provided by the utility model, which is self-locking, labor-saving and easy to carry, is as follows:

[0038] When lifting objects, the user moves the base plate 1 and the movable plate 2 to the bottom of the furniture, and then drives the worm 24 to rotate by shaking the ratchet handle 3. At this time, a lever is formed between the ratchet handle 3 and the worm 24, and the user can operate it very labor-savingly. Then, the worm gear 23 is driven to rotate by the worm 24, so that the worm gear 23 and the spur rack 11 are engaged, thereby driving the outer shell 21 to move upward, and the outer shell 21 drives the movable plate 2 to move upward, thereby lifting the bottom of the furniture. During the lifting process, the mechanical structure of the worm 24 and the worm gear 23 is self-locking, and relative sliding will not occur. Therefore, medium and large objects can be stably lifted and lowered, which is very safe. After use, the user can rotate the handle 4, so that the handle 4 rotates on the inner side of the rotating groove 31, and then fold the handle 4 to reduce the space occupied.

[0039] Compared with the related art, the furniture jack provided by the utility model which is self-locking, labor-saving and easy to carry has the following beneficial effects:

[0040] By rotating the handle 4, the ratchet handle 3 and the worm 24 are driven to rotate, so that a lever is formed between the ratchet handle 3 and the worm 24, which is more labor-saving to operate. In addition, the mechanical structure of the worm 24 and the worm gear 23 is self-locking during the lifting process, and no relative sliding occurs. Therefore, medium and large objects can be lifted and lowered stably, thereby increasing safety. After use, the handle 4 can be rotated on the inner side of the rotating groove 31 by rotating it, so that the handle 4 can be stored, which reduces the space occupied and is convenient to carry, thereby improving the user experience. Example

[0041] Please refer to Figure 4 and Figure 5 Based on the self-locking, labor-saving, and easy-to-carry furniture jack provided in the first embodiment of the present application, the second embodiment of the present application proposes another self-locking, labor-saving, and easy-to-carry furniture jack. The second embodiment is only a preferred embodiment of the first embodiment, and the implementation of the second embodiment will not affect the independent implementation of the first embodiment.

[0042] Specifically, the second embodiment of the present application provides a self-locking, labor-saving, and easy-to-carry furniture jack. The difference is that, in a self-locking, labor-saving, and easy-to-carry furniture jack, side panels 5 are provided on both sides of the base plate 1, and one side of the two side panels 5 is provided with an installation groove 51, and the installation groove 51 is sleeved on the outer side surface of the base plate 1, and both ends of the top of the two side panels 5 are provided with a rotating groove 52, and the inner side surface of the rotating groove 52 is provided with a roller 55.

[0043] The roller 55 is rotatably connected to a rotating shaft 54 ​​, and two ends of the rotating shaft 54 ​​are respectively fixedly mounted on two sides of the inner side surface of the rotating groove 52 .

[0044] A locking screw 53 is disposed inside the side plate 5 , and one end of the locking screw 53 is threadedly connected to the inside of the inner side surface of the bottom plate 1 .

[0045] During installation, the installation groove 51 is sleeved on the outer side of the bottom plate 1, and one end of the locking screw 53 is threadedly connected to the inside of the side of the bottom plate 1, so as to install the side plate 5;

[0046] By installing the rotating shaft 54 ​​and the roller 55 on the inner side of the rotating groove 52, the height of the top of the roller 55 is reduced so that the furniture can be placed in a smaller space to lift the furniture.

[0047] The working principle of the furniture jack provided by the utility model, which is self-locking, labor-saving and easy to carry, is as follows:

[0048] When the furniture needs to be lifted and then moved during use, the user can install the side panels 5 on both sides of the base plate 1, so that the two sides of the base plate 1 are stuck in the inner side of the installation groove 51, and then the user rotates the locking screw 53 so that one end of the locking screw 53 is threadedly connected to the inside of the side of the base plate 1, thereby installing the side panels 5, and then placing the base plate 1 on the ground. At this time, the roller 55 will contact the ground. When moving subsequently, it will move upward through the moving plate 2. After the furniture is lifted, it will roll on the ground through the roller 55, which is convenient for the user to adjust the position of the furniture.

[0049] Compared with the related art, the furniture jack provided by the utility model which is self-locking, labor-saving and easy to carry has the following beneficial effects:

[0050] By cooperating with each other through structures such as the side panels 5, locking screws 53, rotating shafts 54 and rollers 55, when the furniture needs to be moved, the side panels 5 can be installed on both sides of the bottom plate 1, and the rollers 55 can be made in contact with the ground, and then the rollers 55 can be rolled on the ground, so as to facilitate the user to move the position of the furniture, thereby increasing the adaptability and diversity of the device. Example

[0051] Please refer to Figure 6 Based on the self-locking, labor-saving, and easy-to-carry furniture jack provided in the first embodiment of the present application, the third embodiment of the present application proposes another self-locking, labor-saving, and easy-to-carry furniture jack. The third embodiment is only a preferred embodiment of the first embodiment, and the implementation of the third embodiment will not affect the independent implementation of the first embodiment.

[0052] Specifically, the third embodiment of the present application provides a self-locking, labor-saving, and easy-to-carry furniture jack. The difference is that, in a self-locking, labor-saving, and easy-to-carry furniture jack, a sliding cavity 6 is provided inside the handle 4, and an extension rod 61 is slidably connected to the inner side of the sliding cavity 6, and an extension handle 62 is fixedly installed at one end of the extension rod 61.

[0053] The top and bottom of the extension rod 61 are both provided with limiting grooves 63 , and one end of the top and bottom of the inner side of the sliding cavity 6 is fixedly installed with limiting blocks 64 , and the limiting blocks 64 are slidably connected to the inner side of the limiting grooves 63 .

[0054] A metal plate 65 is fixedly mounted on one end of the extension rod 61 . A magnetic plate 66 is magnetically attracted to one side of the metal plate 65 . The magnetic plate 66 is fixedly mounted on the other end of the inner side surface of the sliding cavity 6 .

[0055] When the extension rod 61 is stored in the inner side of the sliding cavity 6, the metal plate 65 and the magnetic plate 66 are magnetically attracted to each other, thereby limiting the extension rod 61 and preventing the extension rod 61 from sliding out from the inner side of the sliding cavity 6 when not in use.

[0056] The length of the extension rod 61 is slightly shorter than the length of the handle 4, and the length of the extension rod 61 plus the extension handle 62 is slightly longer than the length of the handle 4. Therefore, when the extension rod 61 is pulled to the maximum limit inside the sliding cavity 6, the length of the extension rod 61 plus the extension handle 62 and the handle 4 is at least twice the length of the handle 4, which can make the operation more labor-saving for the staff.

[0057] The working principle of the furniture jack provided by the utility model, which is self-locking, labor-saving and easy to carry, is as follows:

[0058] When in use, when the overall length of the turning handle needs to be extended, the user can pull the extension handle 62, so that the extension handle 62 drives the extension rod 61 to slide on the inner side of the sliding cavity 6, and at the same time the limit block 64 will slide on the inner side of the limit groove 63, thereby limiting the extension rod 61. After that, the user can hold the extension handle 62 to rotate the ratchet handle 3, thereby increasing the length of the turning handle, making the user more labor-saving to operate.

[0059] Compared with the related art, the furniture jack provided by the utility model which is self-locking, labor-saving and easy to carry has the following beneficial effects:

[0060] Through the cooperation of the structures such as the sliding cavity 6, the extension rod 61, the extension handle 62, the limit groove 63, the limit block 64, the metal plate 65 and the magnetic plate 66, when in use, the extension handle 62 is pulled to make the extension rod 61 slide on the inner side of the sliding cavity 6, thereby increasing the overall length of the turning handle and making it easier for the user to turn it. Example

[0061] Please refer to Figure 7 Based on the self-locking, labor-saving, and easy-to-carry furniture jack provided in the first embodiment of the present application, the fourth embodiment of the present application proposes another self-locking, labor-saving, and easy-to-carry furniture jack. The fourth embodiment is only a preferred embodiment of the first embodiment, and the implementation of the fourth embodiment will not affect the independent implementation of the first embodiment.

[0062] Specifically, the fourth embodiment of the present application provides a self-locking, labor-saving, and easy-to-carry furniture jack, which is different in that a self-locking, labor-saving, and easy-to-carry furniture jack is provided, and a groove 7 is provided on the top of the movable plate 2, and a rubber pad 71 is provided on the inner side of the groove 7, and the top of the rubber pad 71 is higher than the top of the movable plate 2.

[0063] The working principle of the furniture jack provided by the utility model, which is self-locking, labor-saving and easy to carry, is as follows:

[0064] When in use, by moving the movable plate 2 upward to push the furniture, the user can put the rubber pad 71 into the inner side of the groove 7, so that the top of the rubber pad 71 contacts the bottom of the furniture, thereby avoiding direct contact between the movable plate 2 and the furniture.

[0065] By placing the rubber pad 71 into the inner side of the groove 7, the groove 7 can limit the rubber pad 71 during use.

[0066] Compared with the related art, the furniture jack provided by the utility model which is self-locking, labor-saving and easy to carry has the following beneficial effects:

[0067] Through the cooperation between the groove 7 and the rubber pad 71 and other structures, when in use, the rubber pad 71 is placed into the inner side of the groove 7, so that when the movable plate 2 drives the furniture to move upward, the bottom of the furniture is in contact with the rubber pad 71, thereby avoiding the movable plate 2 causing wear on the bottom of the furniture, thereby protecting the furniture.

[0068] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A furniture jack that is self-locking, labor-saving and easy to carry, characterized in that: include: A bottom plate, a spur rack being fixedly mounted on the top of the bottom plate; A movable plate, the movable plate is arranged on the inner side of the bottom plate, a housing is fixedly mounted on the top of the movable plate, a worm is rotatably connected inside the housing, a vortex gear is meshed at the bottom of the worm, and the vortex gear is meshed with one side of the spur rack; A ratchet handle is fixedly mounted on the outer side surface of one end of the worm, a rotation groove is provided at one end of the ratchet handle, and a handle is rotatably connected to the inner side surface of the rotation groove.

2. A self-locking, labor-saving and easy-to-carry furniture jack according to claim 1, characterized in that: A slide groove is provided inside one side of the shell, and the spur rack is arranged on the inner side surface of the slide groove.

3. A self-locking, labor-saving and easy-to-carry furniture jack according to claim 1, characterized in that: The vortex gear is rotatably connected to the inner side surface of the housing, and the ratchet handle is arranged on the other side of the housing.

4. The self-locking, labor-saving and portable furniture jack according to claim 1 is characterized in that: Side plates are arranged on both sides of the bottom plate, one side of the two side plates is provided with a mounting groove, the mounting groove is sleeved on the outer side surface of the bottom plate, both ends of the top of the two side plates are provided with a rotating groove, and the inner side surface of the rotating groove is provided with a roller.

5. A self-locking, labor-saving and easy-to-carry furniture jack according to claim 4, characterized in that: The roller is internally rotatably connected with a rotating shaft, and two ends of the rotating shaft are respectively fixedly mounted on two sides of the inner side surface of the rotating groove.

6. A self-locking, labor-saving and easy-to-carry furniture jack according to claim 5, characterized in that: A locking screw is arranged inside the side plate, and one end of the locking screw is threadedly connected to the inside of the inner side surface of the bottom plate.

7. The self-locking, labor-saving and portable furniture jack according to claim 1, characterized in that: A sliding cavity is provided inside the handle, an extension rod is slidably connected to the inner side surface of the sliding cavity, and an extension handle is fixedly mounted on one end of the extension rod.

8. The self-locking, labor-saving and portable furniture jack according to claim 7, characterized in that: The top and bottom of the extension rod are both provided with limiting grooves, and one end of the top and bottom of the inner side surface of the sliding cavity is fixedly installed with limiting blocks, and the limiting blocks are slidably connected to the inner side surface of the limiting groove.

9. The self-locking, labor-saving and portable furniture jack according to claim 8, characterized in that: A metal plate is fixedly mounted on one end of the extension rod, a magnetic plate is magnetically attracted to one side of the metal plate, and the magnetic plate is fixedly mounted on the other end of the inner side surface of the sliding cavity.

10. The self-locking, labor-saving and portable furniture jack according to claim 1, characterized in that: A groove is formed on the top of the movable plate, a rubber pad is formed on the inner side of the groove, and the top of the rubber pad is higher than the top of the movable plate.

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