Anti-winding trundle

Abstract

The utility model discloses an anti-winding trundle, and relates to the field of trundles. The anti-winding trundle comprises a shell, a buffer is fixedly connected to the periphery of the top of an inner cavity of the shell, a buffer plate is fixedly connected to the bottom of the buffer, a fixing column is fixedly connected to the bottom of the buffer plate, and the bottom of the fixing column penetrates through the bottom of the shell and is fixedly connected with a trundle body. According to the anti-winding trundle, when the use height of the trundle body needs to be adjusted, firstly, a bolt head is adjusted through a wrench workpiece, the bolt head drives an adjusting lead screw to start to rotate through a bearing seat, the adjusting lead screw rotates to drive a threaded block to move upwards, and the threaded block drives a supporting plate to move upwards; the supporting plate drives the supporting columns to move upwards through the sliding blocks and the sliding grooves, the supporting columns drive the assembling plate to move upwards, the assembling plate is made to move to the designated position, and then the assembling plate is fixed to the designated position through the assembling holes.

Description

Technical Field

[0001] The utility model relates to the field of casters, in particular to an anti-winding caster. Background Art

[0002] Casters are mainly divided into medical casters, industrial casters and supermarket casters according to their uses. Medical casters are designed to meet the hospital's requirements for light operation, flexible steering, high elasticity, special ultra-quietness, wear resistance, anti-winding and chemical corrosion resistance. Industrial casters mainly refer to caster products used in factories or mechanical equipment. They can be made of high-grade imported reinforced nylon (PA6), super polyurethane, and rubber. The overall product has high impact resistance and strength. Supermarket casters are specially developed to meet the needs of supermarket shelves for movement and shopping carts that require lightness and flexibility.

[0003] The existing anti-winding casters have poor anti-vibration effect and cannot adjust the installation height. When people use the anti-winding casters, they cannot adjust the height of the anti-winding casters according to usage requirements, and the shock absorption effect is poor, causing damage to items inside the vehicle body.

[0004] Therefore, it is necessary to provide an anti-winding caster to solve the above-mentioned technical problems. The disclosure of the information in this background technology section is only intended to increase the understanding of the overall background of the invention, and is not necessarily regarded as an admission or suggestion in any form that the information constitutes the prior art that is already known to the general technicians in the field. Utility Model Content

[0005] The utility model provides an anti-winding caster, which solves the technical problems that the existing anti-winding casters have poor shock resistance and cannot adjust the installation height. When people use the anti-winding casters, they cannot adjust the height of the anti-winding casters according to usage requirements, and the shock absorption effect is poor, causing damage to items inside the vehicle body.

[0006] To solve the above technical problems, the utility model provides an anti-winding caster, comprising an outer shell, wherein buffers are fixedly connected to the four sides of the top of the inner cavity of the outer shell, a buffer plate is fixedly connected to the bottom of the buffer, a fixing column is fixedly connected to the bottom of the buffer plate, the bottom of the fixing column passes through the bottom of the outer shell and is fixedly connected to the caster body, the top of the outer shell is fixedly connected to a fixing frame, the top of the inner cavity of the fixing frame is fixedly connected to a bearing seat, the bottom of the bearing seat is sleeved with an adjusting screw, the bottom of the adjusting screw is fixedly connected to a bolt head, the bottom of the adjusting screw surface is threadedly connected to a threaded block, the front and back sides of the threaded block are fixedly connected to a support plate, the top of the support plate is fixedly connected to a support column, the top of the support column passes through the top of the fixing frame and is fixedly connected to an assembly plate.

[0007] Preferably, four assembly holes are provided around the top of the assembly plate.

[0008] Preferably, a slide groove is provided at the top and the bottom of the inner cavity of the fixing frame, a sliding block is slidably connected to the inner cavity of the slide groove, and the inner side of the sliding block is fixedly connected to the outer side of the support plate.

[0009] Preferably, the number of the buffers is four, and the four buffers are arranged at equal distances on the top of the inner cavity of the shell.

[0010] Preferably, both sides of the buffer plate are fixedly connected with a sliding sleeve, the inner cavity of the sliding sleeve is slidably connected with a sliding rod, and the top and bottom of the sliding rod are fixedly connected to the top and bottom of the inner cavity of the shell.

[0011] Compared with the related art, the anti-winding caster provided by the utility model has the following advantages:

[0012] Beneficial effects:

[0013] The utility model provides an anti-winding caster. When the use height of the caster body needs to be adjusted, the bolt head is first adjusted by a wrench workpiece, and the bolt head drives the adjusting screw rod to start rotating through the bearing seat. The rotation of the adjusting screw rod drives the threaded block to move upward, and the threaded block drives the supporting plate to move upward. The supporting plate drives the supporting column to move upward through the slider and the slide groove, and the supporting column drives the assembly plate to move upward, so that the assembly plate is moved to the specified position, and then the assembly plate is fixed at the specified position through the assembly hole.

[0014] The utility model provides an anti-winding caster. When the caster body vibrates during use, the caster body is buffered on a buffer plate through a fixed column, and the buffer plate drives the sliding sleeve to buffer on the sliding rod. At the same time, the buffer plate buffers on the buffer, so that the buffer offsets the pressure below and increases the overall stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A schematic structural diagram of a preferred embodiment of an anti-winding caster provided by the utility model;

[0016] Figure 2 This is a right side cross-sectional view of the fixed frame structure of the utility model;

[0017] Figure 3 This is a cross-sectional view of the shell structure of the utility model.

[0018] Numbers in the figure: 1. Housing; 2. Buffer; 3. Buffer plate; 4. Fixed column; 5. Caster body; 6. Fixed frame; 7. Bearing seat; 8. Adjusting screw; 9. Bolt head; 10. Threaded block; 11. Support plate; 12. Support column; 13. Assembly plate; 14. Slide groove; 15. Slider; 16. Assembly hole; 17. Sleeve; 18. Slide rod. DETAILED DESCRIPTION

[0019] In order to enable those skilled in the art to better understand the technical solution of the utility model, the utility model is described in detail below in conjunction with the accompanying drawings. The description in this part is only exemplary and explanatory and should not have any limiting effect on the protection scope of the utility model.

[0020] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0021] It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0022] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0023] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it 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 it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] Embodiment 1:

[0025] See also Figure 1-3The utility model provides a technical solution: an anti-winding caster, comprising a shell 1, a buffer 2 is fixedly connected to the top of the inner cavity of the shell 1, a buffer plate 3 is fixedly connected to the bottom of the buffer 2, a fixing column 4 is fixedly connected to the bottom of the buffer plate 3, the bottom of the fixing column 4 passes through the bottom of the shell 1 and is fixedly connected to the caster body 5, a fixing frame 6 is fixedly connected to the top of the shell 1, a bearing seat 7 is fixedly connected to the top of the inner cavity of the fixing frame 6, an adjusting screw rod 8 is sleeved on the bottom of the bearing seat 7, a bolt head 9 is fixedly connected to the bottom of the adjusting screw rod 8, a threaded block 10 is threadedly connected to the bottom of the surface of the adjusting screw rod 8, a support plate 11 is fixedly connected to the front and back of the threaded block 10, a support plate 11 is fixedly connected to the top of the support plate 11, a support column 12 is fixedly connected to the top of the support column 12, and the top of the support column 12 passes through the top of the fixing frame 6 and is fixedly connected to the assembly plate 13.

[0026] In this embodiment, the assembly hole 16 facilitates the fixing and installation of the assembly plate 13 during use, and the slide groove 14 and the slider 15 ensure smooth movement of the support plate 11 during use.

[0027] Embodiment 2:

[0028] See also Figure 1-3 As shown, on the basis of embodiment 1, the utility model provides a technical solution: assembly holes 16 are opened around the top of the assembly plate 13, and the number of the assembly holes 16 is four. The top and bottom of the inner cavity of the fixed frame 6 are opened with slide grooves 14, and the inner cavity of the slide groove 14 is slidably connected with a slider 15, and the inner side of the slider 15 is fixedly connected to the outer side of the support plate 11. The number of buffers 2 is four, and the four buffers 2 are arranged at an equal distance at the top of the inner cavity of the shell 1, and the two sides of the buffer plate 3 are fixedly connected with sliding sleeves 17, and the inner cavity of the sliding sleeve 17 is slidably connected with a sliding rod 18, and the top and bottom of the sliding rod 18 are fixedly connected to the top and bottom of the inner cavity of the shell 1.

[0029] In this embodiment, the buffer 2 has a good shock-absorbing effect on the buffer plate 3 during use, and the sliding sleeve 17 and the sliding rod 18 have an anti-shaking effect on the buffer plate 3 during use.

[0030] The working principle of the anti-winding caster provided by the utility model is as follows:

[0031] The first step to implement the innovation point:

[0032] Step 1: When the height of the caster body 5 needs to be adjusted, the bolt head 9 is first adjusted by a wrench, and the bolt head 9 drives the adjusting screw 8 to start rotating through the bearing seat 7, and the adjusting screw 8 rotates to drive the threaded block 10 to move upward, and the threaded block 10 drives the support plate 11 to move upward;

[0033] Step 2: The support plate 11 drives the support column 12 to move upward through the slider 15 and the slide groove 14, and the support column 12 drives the assembly plate 13 to move upward, so that the assembly plate 13 moves to the specified position, and then the assembly plate 13 is fixed at the specified position through the assembly hole 16.

[0034] The second innovation point implementation steps:

[0035] Step 1: When the caster body 5 vibrates during use, the caster body 5 is buffered on the buffer plate 3 through the fixed column 4, and the buffer plate 3 drives the sliding sleeve 17 to buffer on the sliding rod 18;

[0036] Step 2: At the same time, the buffer plate 3 buffers on the buffer 2, so that the buffer 2 offsets the pressure from below and increases the overall stability.

[0037] The standard parts used in this application document can all be purchased from the market and can be customized according to the description in the specification and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art. The control method is automatic control through a controller. The control circuit of the controller can be implemented through simple programming by technicians in this field, which is common knowledge in this field. The utility model is mainly used to protect mechanical devices, so the utility model no longer explains the control method and circuit connection in detail. The peripheral controller mentioned in the specification can control the electrical components mentioned in this article, and the peripheral controller is a conventional known device.

[0038] It should be noted that, in this article, the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0039] This article uses specific examples to illustrate the principles and implementation methods of the utility model. The above examples are only used to help understand the method and core ideas of the utility model. The above are only preferred implementation methods of the utility model. It should be pointed out that due to the limitations of textual expression and the objective existence of infinite specific structures, ordinary technicians in this technical field can make several improvements, modifications or changes without departing from the principles of the utility model, and can also combine the above technical features in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the concept and technical solution of the utility model to other occasions without improvement, should be regarded as the protection scope of the utility model.

Claims

1. An anti-winding caster, comprising a housing (1), characterized in that: A buffer (2) is fixedly connected to the four sides of the top of the inner cavity of the shell (1), a buffer plate (3) is fixedly connected to the bottom of the buffer (2), a fixing column (4) is fixedly connected to the bottom of the buffer plate (3), the bottom of the fixing column (4) penetrates to the bottom of the shell (1) and is fixedly connected to the caster body (5), the top of the shell (1) is fixedly connected to a fixing frame (6), the top of the inner cavity of the fixing frame (6) is fixedly connected to a bearing seat (7), the bottom of the bearing seat (7) is sleeved with an adjusting screw rod (8), the bottom of the adjusting screw rod (8) is fixedly connected to a bolt head (9), the bottom of the surface of the adjusting screw rod (8) is threadedly connected to a threaded block (10), the front and back sides of the threaded block (10) are fixedly connected to a support plate (11), the top of the support plate (11) is fixedly connected to a support column (12), the top of the support column (12) penetrates to the top of the fixing frame (6) and is fixedly connected to an assembly plate (13).

2. The anti-winding caster according to claim 1, characterized in that: The top of the assembly plate (13) is provided with assembly holes (16) around four of them.

3. The anti-winding caster according to claim 1, characterized in that: The top and bottom of the inner cavity of the fixed frame (6) are both provided with a slide groove (14), the inner cavity of the slide groove (14) is slidably connected with a slider (15), and the inner side of the slider (15) is fixedly connected to the outer side of the support plate (11).

4. The anti-winding caster according to claim 1, characterized in that: The number of the buffers (2) is four, and the four buffers (2) are arranged at equal distances on the top of the inner cavity of the outer shell (1).

5. The anti-winding caster according to claim 1, characterized in that: Both sides of the buffer plate (3) are fixedly connected with a sliding sleeve (17), the inner cavity of the sliding sleeve (17) is slidably connected with a sliding rod (18), and the top and bottom of the sliding rod (18) are fixedly connected to the top and bottom of the inner cavity of the shell (1).

Images