Split type mute trundle

Abstract

The utility model provides a split type silent caster, which relates to the technical field of silent casters, and comprises a silent caster, a left sleeve plate and a middle pressing plate, silent salient points are arranged on the rolling surface of the silent caster, a central shaft is sleeved at the center of the silent caster, the left sleeve plate is sleeved at the left part of the central shaft, the right sleeve plate is sleeved at the right part of the central shaft, and the middle pressing plate is sleeved at the right part of the central shaft. A middle pressing plate is mounted between the upper ends of the left sleeve plate and the right sleeve plate, an upper mounting plate is mounted at the upper end of the middle pressing plate, the center of the upper mounting plate and the center of the middle pressing plate are located on the same axis, outer fixing sleeves are twisted to the left end and the right end of the center shaft through threads, and the left sleeve plate, the right sleeve plate and the outer fixing sleeves are detachably connected with the center shaft. A middle groove is formed in the middle of the upper portion of the middle pressing plate, and an upper round hole is formed in the center of the middle groove. The split type structure is adopted, assembly or disassembly is convenient, parts can be flexibly replaced after local damage, the direction can be flexibly changed to any angle, and the split type LED lamp is more convenient and practical.

Description

Technical Field

[0001] The utility model relates to the technical field of silent casters, in particular to a split type silent caster. Background Art

[0002] Suitcases are commonly used items for people traveling or on business trips. In order to save energy during long-distance journeys, people generally choose trolley bags to hold luggage, because trolley bags not only have a large volume for placing items, but also have wheels on the bottom of the bag and a trolley on the body of the bag. Users can use the trolley to drag the bag freely, which is not only convenient to carry but also saves time and effort.

[0003] In the specification of a silent wheel in the prior art (publication number CN203637450U), it is mentioned that "an inner soft rubber layer is fixedly provided between the inner wheel frame and the outer wheel frame, and an outer soft rubber layer is coated on the outer wheel frame. The cross-sectional profile of the outer wheel frame is narrowed in the middle part, and the narrowed part forms a rib on the outer wheel frame. The inner wheel frame includes an axle and a ring bracket arranged on the axle, and the axle is provided with an axial hole. The inner annular surface of the outer wheel frame is provided with a guide groove, and the rib is provided with a guide hole. The inner soft rubber layer and the outer soft rubber layer are integrally formed by mold injection molding to cover and fix the inner wheel frame and the outer wheel frame. Baffles are provided on both sides of the inner annular surface of the outer wheel frame", but the silent wheel in the prior art is installed in a fixed manner, cannot be assembled separately, and cannot be flexibly rotated, and is not flexible and convenient to use. Utility Model Content

[0004] In order to overcome the defects of the prior art, a split silent caster is now provided to solve the problem that the silent caster in the prior art is installed in a fixed manner, cannot be assembled separately, cannot be flexibly rotated, and is not flexible and convenient to use.

[0005] To achieve the above-mentioned purpose, a split silent caster is provided, comprising a silent caster, a left sleeve and a middle pressure plate, wherein a silent protrusion is arranged on the rolling surface of the silent caster, a central shaft is sleeved at the center of the silent caster, and a left sleeve is sleeved at the left part of the central shaft, and a right sleeve is sleeved at the right part of the central shaft, a middle pressure plate is installed between the upper ends of the left sleeve and the right sleeve, and an upper mounting plate is installed at the upper end of the middle pressure plate, and the centers of the upper mounting plate and the middle pressure plate are both located on the same axis.

[0006] Furthermore, both left and right ends of the central shaft are threadedly connected with external fixing sleeves, and the left sleeve plate, the right sleeve plate and the external fixing sleeve are separately connected to the central shaft.

[0007] Furthermore, lower screw holes are provided on both the front and rear sides of the middle part of the left cover, and a semicircular recess is opened in the middle part of the right side surface of the left cover, and the left cover and the right cover are symmetrical about the center line of the silent caster, and the structural setting of the right cover is the same as that of the left cover.

[0008] Furthermore, side mounting grooves are provided on both left and right sides of the upper part of the middle pressure plate, and multiple groups of balls are provided in the side mounting grooves, and the balls are solid iron balls, and outer plates are provided on the lower sides of the left and right parts of the middle pressure plate.

[0009] Furthermore, a middle groove is provided in the middle of the upper part of the middle pressure plate, and an upper circular hole is opened in the center of the middle groove. The upper circular hole is aligned with the semicircular recess and the semicircular recess opened in the middle part of the left side of the right sleeve plate, and two groups of upper screw holes are provided at the front and rear parts of the middle groove, and fastening bolts are installed between the upper screw holes and the aligned lower screw holes.

[0010] Furthermore, a middle pad is arranged at the center of the lower end surface of the upper mounting plate, and a side pad is arranged on the outer side of the middle pad, the lower end surface of the side pad is just in contact with the ball, and the lower part of the middle pad is rotatably connected with a lower connecting shaft, the lower connecting shaft passes through the upper circular hole, the semicircular recess and the semicircular recess opened in the middle part of the left side surface of the right sleeve, and a lower joint is arranged at the lower end of the lower connecting shaft, and the lower joint is twisted in the lower sleeve through a thread.

[0011] The beneficial effects of the utility model are:

[0012] 1. The left sleeve plate and the right sleeve plate of the utility model are respectively assembled from the left and right parts of the central axis, which is easy and stable to install and convenient to use.

[0013] 2. The middle pressure plate and the left and right sets of plates in the utility model are fixed by fastening bolts installed in the corresponding screw holes between the middle pressure plate and the left and right sets of plates, and the outer plates arranged on the left and right sides of the lower end surface of the middle pressure plate respectively block the left and right sets of plates outside, so as to limit the left and right sets of plates, so as to prevent the left and right sets of plates from detaching, and make the use safer and more stable.

[0014] 3. In the utility model, the lower connecting shaft at the lower part of the upper mounting plate passes through the upper circular hole, the semicircular recess and the semicircular recess opened in the middle part of the left side of the right sleeve plate in sequence, and then the lower joint at the lower end of the lower connecting shaft is twisted into the lower sleeve plate through a thread. At this time, the lower connecting shaft can be flexibly rotated and moved, which is convenient for the silent casters, left sleeve plate, right sleeve plate and middle pressure plate assembled below to also rotate together, so that the casters can rotate and move at any angle, which is more flexible and practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a front view schematic diagram of an embodiment of the utility model;

[0016] Figure 2 It is a cross-sectional schematic diagram of an embodiment of the utility model;

[0017] Figure 3 This is a schematic diagram of the effect of the silent caster of an embodiment of the utility model;

[0018] Figure 4 It is a top view schematic diagram of the left sleeve plate of an embodiment of the utility model;

[0019] Figure 5 It is a schematic top view of a medium pressure plate in an embodiment of the utility model;

[0020] Figure 6 This is a schematic diagram of the structure of the upper mounting plate of an embodiment of the utility model;

[0021] Figure 7 It is a schematic diagram of the splitting of the middle pressure plate, the left cover plate and the right cover plate in an embodiment of the utility model.

[0022] In the figure: 1. Silent caster; 10. Silent protrusion; 11. External fixing sleeve; 12. Center axis; 2. Left sleeve; 20. Semicircular notch; 21. Lower screw hole; 3. Right sleeve; 4. Middle pressure plate; 40. Outer plate; 41. Middle groove; 42. Upper screw hole; 43. Upper round hole; 44. Side mounting groove; 45. Ball bearing; 5. Upper mounting plate; 50. Side pad; 51. Middle pad; 52. Lower connecting shaft; 53. Lower joint; 54. Lower sleeve. DETAILED DESCRIPTION

[0023] In order to make the technical problems, technical solutions and beneficial effects to be solved by the utility model clearer, the utility model is further described in detail in combination with the accompanying drawings and embodiments. The specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model. Specific details such as specific system structures and technologies are proposed in order to more thoroughly understand the embodiments of the utility model. The described embodiments are part of the embodiments of the present disclosure, rather than all of the embodiments. However, it should be clear to those skilled in the art that the utility model can also be implemented in other embodiments without these specific details. Based on the embodiments in the present disclosure, all other embodiments obtained by those skilled in the art without making creative work are within the scope of protection of the present disclosure.

[0024] The specific implementation of the utility model is described in detail below with reference to the accompanying drawings.

[0025] Figure 1 It is a front view schematic diagram of an embodiment of the utility model, Figure 2 It is a cross-sectional schematic diagram of an embodiment of the utility model, Figure 3 This is a schematic diagram of the silent caster effect of the embodiment of the utility model. Figure 4 It is a top view of the left sleeve plate of the embodiment of the utility model. Figure 5 A schematic top view of a medium pressure plate according to an embodiment of the utility model; Figure 6 The upper mounting plate structure diagram of the utility model embodiment and Figure 7It is a schematic diagram of the splitting of the middle pressure plate, the left cover plate and the right cover plate in an embodiment of the utility model.

[0026] Reference Figures 1 to 7 As shown, the utility model provides a split silent caster, comprising a silent caster 1, a left sleeve plate 2 and a middle pressure plate 4, a central shaft 12 is sleeved at the center of the silent caster 1, and the left sleeve plate 2 is sleeved on the left part of the central shaft 12, and the right sleeve plate 3 is sleeved on the right part of the central shaft 12, a middle pressure plate 4 is installed between the upper ends of the left sleeve plate 2 and the right sleeve plate 3, and an upper mounting plate 5 is installed on the upper end of the middle pressure plate 4, and the centers of the upper mounting plate 5 and the middle pressure plate 4 are both located on the same axis.

[0027] In this embodiment, the left and right ends of the central axis 12 are both threadedly twisted with an external fixing sleeve 11, and the left sleeve 2, the right sleeve 3, and the external fixing sleeve 11 are all split and connected to the central axis 12; lower screw holes 21 are provided on both the front and rear sides of the middle part of the left sleeve 2, and a semicircular recess 20 is provided in the middle part of the right side surface of the left sleeve 2, and the left sleeve 2 and the right sleeve 3 are symmetrical about the center line of the silent caster 1, and the right sleeve 3 has the same structural setting as the left sleeve 2.

[0028] As a preferred embodiment, the left sleeve plate 2 and the right sleeve plate 3 of the utility model are respectively assembled from the left and right parts of the central axis 12, which is easy and stable to install and convenient and trouble-free to use.

[0029] In this embodiment, side mounting grooves 44 are provided on both left and right sides of the upper part of the middle pressure plate 4, and multiple groups of balls 45 are provided in the side mounting grooves 44, and the balls 45 are solid iron balls, and outer plates 40 are provided on the lower sides of the left and right parts of the middle pressure plate 4, and a middle groove 41 is provided in the middle of the upper part of the middle pressure plate 4, and an upper circular hole 43 is provided in the center of the middle groove 41, and the upper circular hole 43 is aligned with the semicircular recess 20 and the semicircular recess provided in the middle part of the left side of the right sleeve plate 3, and two groups of upper screw holes 42 are provided at the front and rear parts of the middle groove 41, and fastening bolts are installed between the upper screw holes 42 and the aligned lower screw holes 21.

[0030] As a preferred embodiment, the middle pressure plate 4 and the left and right sets of plates 2 and 3 in the utility model are fixed by fastening bolts installed in the corresponding screw holes between the middle pressure plate 4 and the left and right sets of plates 2 and 3, and the outer plates 40 arranged on the left and right sides of the lower end surface of the middle pressure plate 4 respectively block the left and right sets of plates 2 and 3, so as to limit the left and right sets of plates 2 and 3, so as to prevent the left and right sets of plates 2 and 3 from detaching, and make it safer and more stable to use.

[0031] In this embodiment, a middle pad 51 is arranged at the center of the lower end surface of the upper mounting plate 5, and a side pad 50 is arranged on the outer side of the middle pad 51. The lower end surface of the side pad 50 is just in contact with the ball 45, and the lower part of the middle pad 51 is rotatably connected with a lower connecting shaft 52. The lower connecting shaft 52 passes through the upper circular hole 43, the semicircular recess 20 and the semicircular recess opened in the middle part of the left side surface of the right sleeve plate 3, and the lower end of the lower connecting shaft 52 is provided with a lower joint 53, and the lower joint 53 is twisted in the lower sleeve disc 54 through a thread.

[0032] As a preferred embodiment, the lower connecting shaft 52 at the lower part of the upper mounting plate 5 of the utility model passes through the upper circular hole 43, the semicircular recess 20 and the semicircular recess opened in the middle part of the left side of the right sleeve plate 3 in sequence, and then the lower joint 53 at the lower end of the lower connecting shaft 52 is twisted into the lower sleeve disc 54 through a thread. At this time, the lower connecting shaft 52 can be flexibly rotated and moved, which is convenient for the silent caster 1, left sleeve plate 2, right sleeve plate 3 and middle pressure plate 4 assembled below to also rotate together, so that the caster can rotate and move at any angle, which is more flexible and practical.

[0033] The utility model can effectively solve the problem that the silent wheel in the prior art is installed in a fixed manner, cannot be assembled in parts, cannot be flexibly rotated, and is not flexible and convenient to use. The utility model adopts a split structure, which is convenient for assembly or disassembly, so that parts can be flexibly replaced after local damage, and can be flexibly changed to any angle, which is more convenient and practical.

[0034] The above embodiments are used to explain the present invention rather than to limit the present invention. Any modifications and changes made to the present invention within the spirit of the present invention and the scope of the claims for protection shall be included in the protection scope of the present invention.

Claims

1. A split silent caster, characterized in that: The invention comprises a silent caster (1), a left sleeve plate (2) and a middle pressure plate (4); a silent convex point (10) is arranged on the rolling surface of the silent caster (1); a central shaft (12) is sleeved at the center of the silent caster (1); a left sleeve plate (2) is sleeved at the left part of the central shaft (12); and a right sleeve plate (3) is sleeved at the right part of the central shaft (12); a middle pressure plate (4) is installed between the upper ends of the left sleeve plate (2) and the right sleeve plate (3); an upper mounting plate (5) is installed at the upper end of the middle pressure plate (4); and the centers of the upper mounting plate (5) and the middle pressure plate (4) are both located on the same axis.

2. The split silent caster according to claim 1, characterized in that: The left and right ends of the central shaft (12) are both threadedly connected with an external fixing sleeve (11), and the left sleeve plate (2), the right sleeve plate (3) and the external fixing sleeve (11) are all detachably connected to the central shaft (12).

3. The split silent caster according to claim 1, characterized in that: The left cover plate (2) is provided with lower screw holes (21) on both the front and rear sides of the middle part, and a semicircular notch (20) is provided in the middle part of the right side surface of the left cover plate (2), and the left cover plate (2) and the right cover plate (3) are symmetrical about the center line of the silent caster (1), and the right cover plate (3) and the left cover plate (2) have the same structural arrangement.

4. The split silent caster according to claim 1, characterized in that: Side mounting grooves (44) are provided on both left and right sides of the upper part of the middle pressure plate (4), and a plurality of groups of balls (45) are provided in the side mounting grooves (44), and the balls (45) are solid iron balls, and outer plates (40) are provided on both left and right lower sides of the middle pressure plate (4).

5. The split silent caster according to claim 1, characterized in that: A middle groove (41) is provided in the middle of the upper part of the middle pressure plate (4), and an upper circular hole (43) is provided in the center of the middle groove (41). The upper circular hole (43) is aligned with the semicircular notch (20) and the semicircular notch provided in the middle of the left side of the right sleeve plate (3) in the upper and lower parts, and two groups of upper screw holes (42) are provided at the front and rear parts of the middle groove (41), and fastening bolts are installed between the upper screw holes (42) and the aligned lower screw holes (21).

6. The split silent caster according to claim 1, characterized in that: A middle pad (51) is arranged at the center of the lower end surface of the upper mounting plate (5), and a side pad (50) is arranged on the outer side of the middle pad (51). The lower end surface of the side pad (50) is just in contact with the ball (45), and the lower part of the middle pad (51) is rotatably connected to a lower connecting shaft (52). The lower connecting shaft (52) passes through the upper circular hole (43), the semicircular recess (20) and the semicircular recess opened in the middle part of the left side surface of the right sleeve plate (3), and a lower joint (53) is arranged at the lower end of the lower connecting shaft (52). The lower joint (53) is screwed into the lower sleeve disc (54) through a thread.

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