CN217048131U - Universal fine-tuning caster - Google Patents
Universal fine-tuning caster Download PDFInfo
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- CN217048131U CN217048131U CN202220048323.8U CN202220048323U CN217048131U CN 217048131 U CN217048131 U CN 217048131U CN 202220048323 U CN202220048323 U CN 202220048323U CN 217048131 U CN217048131 U CN 217048131U
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Abstract
The utility model provides a universal fine adjustment caster, which comprises a top plate, a cylinder body, an adjusting piece, a positioning groove, a lifting piece, a supporting piece and a roller; the cylinder body is rotationally connected to the bottom of the top plate to realize universal adjustment, and the cylinder body extends in the vertical direction; one end of the adjusting piece penetrates through the circumferential surface of the cylinder body, and the adjusting piece can rotate around the vertical direction; the positioning groove is formed in the circumferential surface of the barrel and used for limiting the position of the adjusting piece in the vertical direction, and the adjusting piece penetrates through the positioning groove; the lifting piece is arranged in the barrel and extends in the vertical direction, the lifting piece is in threaded connection with the adjusting piece, and the lifting piece is lifted in the vertical direction when the adjusting piece rotates; the supporting piece is connected to the cylinder in a sliding mode, and one end of the supporting piece penetrates through the cylinder to be connected with the lifting piece so as to lift along with the lifting piece; the roller is arranged on the lower side of the cylinder body and is rotationally connected to the supporting piece. This application realizes the adjustment of truckle height.
Description
Technical Field
The utility model relates to a truckle, especially a universal fine setting truckle.
Background
The caster is a general name, and comprises a movable caster, a fixed caster and a movable caster with a brake. The movable caster wheel is also called a universal wheel, and the structure of the movable caster wheel allows 360 degrees of rotation; the fixed caster is also called a directional caster, and has no rotating structure and can not rotate.
Casters have been used in various transportation vehicles, and the conventional casters have been limited in use due to inconvenience in adjusting the height.
Disclosure of Invention
To the not enough that exists among the prior art, the utility model provides a universal fine setting truckle can adjust the whole height of truckle, adapts to different road conditions demands. The utility model adopts the technical proposal that:
a universal fine-tuning caster comprises
A top plate;
the cylinder body is rotationally connected to the bottom of the top plate to realize universal adjustment and extends in the vertical direction;
one end of the adjusting piece penetrates through the circumferential surface of the cylinder body, and the adjusting piece can rotate around the vertical direction;
the positioning groove is formed in the circumferential surface of the barrel and used for limiting the position of the adjusting piece in the vertical direction, and the adjusting piece penetrates through the positioning groove;
the lifting piece is arranged in the cylinder body and extends along the vertical direction, the lifting piece is in threaded connection with the adjusting piece, and the lifting piece lifts along the vertical direction when the adjusting piece rotates;
the supporting piece is connected to the cylinder in a sliding mode, and one end of the supporting piece penetrates through the cylinder to be connected with the lifting piece so as to lift along with the lifting piece; and
and the roller is arranged on the lower side of the cylinder body and is rotationally connected to the supporting piece.
Furthermore, the supporting piece comprises a sleeve piece and a rod piece, the sleeve piece is sleeved at the top of the rod piece, the sleeve piece is connected to the bottom of the lifting piece, and the rod piece penetrates through the barrel body and then is connected with the roller.
Further, the lever comprises a first lever part and a second lever part; the first rod part extends along the vertical direction, one end of the first rod part is connected with the sleeve, the other end of the first rod part is connected with the second rod part, the second rod part extends along the horizontal direction to one side far away from the positioning groove, and the roller is arranged on the second rod part.
Further, the axis of the cylinder coincides with the diameter of the roller in the vertical direction; and/or the presence of a gas in the atmosphere,
the connection of first pole portion and second pole portion is provided with the bellying, the bellying extends to the one side of keeping away from the gyro wheel.
Further, the rod piece is connected with the sleeve piece through a positioning pin.
Furthermore, at least two first positioning holes are formed in the sleeve at intervals in the vertical direction, a second positioning hole is formed in the first rod part, and the positioning pin penetrates through one of the first positioning holes and enters the second positioning hole.
Furthermore, a limiting piece is sleeved on the sleeve and used for preventing the sleeve from separating from the barrel.
Furthermore, a connecting rod is arranged on the top plate, the connecting rod extends in the vertical direction, a rotary table is arranged in the cylinder, one end of the connecting rod extends into the cylinder and is connected with the rotary table, and a ball bearing is arranged between the rotary table and the cylinder.
Further, the cylinder body comprises a cylinder top, a cylinder body and a cylinder bottom, wherein the cylinder top is rotatably connected to the top plate, one end of the cylinder body is connected to the cylinder top, and the other end of the cylinder body is connected to the cylinder bottom;
the positioning groove is arranged on the barrel body.
Further, a shock insulation gasket is arranged between the cylinder top and the top plate.
The utility model has the advantages that:
according to the caster lifting device, the adjusting piece is rotated, the lifting piece is lifted by utilizing the threaded connection relation between the adjusting piece and the lifting piece, and then the supporting piece is driven to lift, so that the purpose of adjusting the overall height of the caster is achieved;
the detachable connection of the sleeve and the rod piece is convenient for replacing local parts;
the lifting and the rotation of the caster are realized at two different positions, so that the pressure and the torque borne by a single position are reduced, and the service life of the caster is prolonged.
Drawings
Fig. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a plan view of the present invention.
Fig. 3 is a sectional view taken along line a-a of fig. 2.
In the figure: 1-top plate, 2-barrel, 3-adjusting part, 4-positioning groove, 5-lifting part, 6-supporting part, 7-roller, 8-limiting part, 9-connecting rod, 10-rotating disk, 11-ball bearing, 12-shock-isolating washer, 201-barrel top, 202-barrel body, 203-barrel bottom, 601-kit, 602-rod part, 603-positioning pin, 6021-first rod part, 6022-second rod part and 6023-boss part.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Referring to fig. 1-3, the present invention provides a universal fine adjustment caster, which comprises a top plate 1, a barrel 2, an adjusting member 3, a positioning groove 4, a lifting member 5, a supporting member 6 and a roller 7; the cylinder body 2 is rotatably connected to the bottom of the top plate 1 to realize universal adjustment, and the cylinder body 2 extends in the vertical direction; as a preference of the embodiment, a plurality of hollow parts are uniformly distributed on the top plate 1; one end of the adjusting piece 3 penetrates through the circumferential surface of the cylinder body 2, and the adjusting piece 3 can rotate around the vertical direction; as a preference of the present embodiment, the adjusting member 3 is shaped like a gear; alternatively, the adjusting member 3 is a nut.
The positioning groove 4 is formed in the circumferential surface of the barrel 2 and used for limiting the position of the adjusting piece 3 in the vertical direction, and the adjusting piece 3 penetrates through the positioning groove 4; preferably, the positioning groove 4 is in the shape of an arc, and the arc center of the arc where the positioning groove 4 is located on the axis of the cylinder 2; further, the arc on which the positioning groove 4 is located is a minor arc.
The lifting piece 5 is arranged in the cylinder body 2 and extends along the vertical direction, the lifting piece 5 is in threaded connection with the adjusting piece 3, and the lifting piece 5 lifts along the vertical direction when the adjusting piece 3 rotates; preferably, the adjusting element 3 is a threaded rod.
The supporting piece 6 is connected to the cylinder 2 in a sliding manner, and one end of the supporting piece 6 penetrates through the cylinder 2 to be connected with the lifting piece 5 so as to lift along with the lifting piece 5; the roller 7 is arranged on the lower side of the barrel 2, and the roller 7 is rotationally connected to the support piece 6; in the present embodiment, the roller 7 is rotatably connected to the support member 6 through a rotating shaft.
Because the restriction of support piece 6 horizontal direction, regulating part 3 can not move in the horizontal direction, so when rotating regulating part 3, because the threaded connection relation of regulating part 3 and lifting part 5, lifting part 5 drives support piece 6 and is elevating movement along vertical direction to the distance between gyro wheel 7 and the roof 1 increases or reduces, reaches the purpose of the whole truckle height of fine setting.
In this embodiment, the supporting member 6 includes a sleeve 601 and a rod 602, the sleeve 601 is sleeved on the top of the rod 602, the sleeve 601 is connected to the bottom of the lifting member 5, and the rod 602 penetrates through the cylinder 2 and then is connected to the roller 7.
In order to keep the center of gravity of the entire caster stable, the stem 602 includes a first stem part 6021 and a second stem part 6022; the first rod part 6021 extends in the vertical direction, one end of the first rod part 6021 is connected with the sleeve 601, the other end of the first rod part 6021 is connected with the second rod part 6022, the second rod part 6022 extends towards the side far away from the positioning groove 4 in the horizontal direction, and the roller 7 is arranged on the second rod part 6022.
Further, the axis of the cylinder 2 coincides with the diameter of the roller 7 in the vertical direction.
In order to strengthen the structural strength of the support rod 6, a raised part 6023 is arranged at the joint of the first rod part 6021 and the second rod part 6022, and the raised part 6023 extends towards the side far away from the roller 7.
In order to facilitate the replacement of the worn-out partial parts of the roller 7, the rod 602 is connected to the sleeve 601 through a positioning pin 603.
In order to enable the caster to have a plurality of height adjustment ranges, at least two first positioning holes are arranged on the sleeve 601 at intervals along the vertical direction, a second positioning hole is arranged on the first rod part 6021, and the positioning pin 603 penetrates through one of the first positioning holes and enters the second positioning hole; when the positioning pin 603 is correspondingly connected to the first positioning holes with different heights, the length of the rod 602 extending into the sleeve 601 is changed accordingly, so that the overall height of the caster is changed, and a plurality of height adjustment sections are provided.
In this embodiment, the sleeve 601 is sleeved with a limiting member 8, and the limiting member 8 is used for preventing the sleeve 601 from separating from the cylinder 2; preferably, in the present embodiment, the limiting member 8 and the sleeve 601 are fixed by bonding or welding; alternatively, the limiting member 8 and the sleeve 601 are connected by a screw thread.
The rotation connection structure of roof 1 and barrel 2 in this embodiment specifically is: a connecting rod 9 is arranged on the top plate 1, the connecting rod 9 extends along the vertical direction, a rotary table 10 is arranged in the cylinder body 2, one end of the connecting rod 9 extends into the cylinder body 2 and is connected with the rotary table 10, and a ball bearing 11 is arranged between the rotary table and the cylinder body 2; the cylinder body 2 drives the support piece 6 and the roller 7 to synchronously rotate, and the ball bearing 11 reduces the friction force; preferably, the rotary disc 10 is in threaded connection with the connecting rod 9; the matching surface of the rotary disc 10 and the cylinder body 2 is larger, and the rotating process is more stable.
In this embodiment, the cylinder 2 includes a cylinder top 201, a cylinder body 202 and a cylinder bottom 203, the cylinder top 201 is rotatably connected to the top plate 1, one end of the cylinder body 202 is connected to the cylinder top 201, and the other end of the cylinder body 202 is connected to the cylinder bottom 203; the positioning groove 4 is arranged on the cylinder body 202; preferably, the top 201 and the body 202 are fixed by welding or bonding, and the bottom 203 is connected with the body 202 by screw thread; as a preference of this embodiment, a first through groove for inserting the connecting rod 9 is provided on the barrel top 201, a second through groove for sliding the first rod part 6021 is provided on the barrel bottom 203, and the size of the limiting member 8 is larger than that of the through groove.
In order to avoid rigid contact between the cylinder body 2 and the top plate 1, a shock insulation gasket 12 is arranged between the cylinder top 201 and the top plate 1.
To sum up, this application has high fine setting function, and lifting member eccentric arrangement, the change can be dismantled to the part, and is rotatory more stable.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention is described in detail with reference to examples, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (10)
1. A universal fine-tuning caster is characterized in that: comprises that
A top plate (1);
the cylinder body (2) is rotatably connected to the bottom of the top plate (1) to realize universal adjustment, and the cylinder body (2) extends in the vertical direction;
one end of the adjusting piece (3) penetrates through the circumferential surface of the cylinder body (2), and the adjusting piece (3) can rotate around the vertical direction;
the positioning groove (4) is formed in the circumferential surface of the barrel body (2) and used for limiting the position of the adjusting piece (3) in the vertical direction, and the adjusting piece (3) penetrates through the positioning groove (4);
the lifting piece (5) is arranged in the barrel (2) and extends in the vertical direction, the lifting piece (5) is in threaded connection with the adjusting piece (3), and the lifting piece (5) lifts in the vertical direction when the adjusting piece (3) rotates;
the supporting piece (6) is connected to the cylinder body (2) in a sliding mode, one end of the supporting piece (6) penetrates through the cylinder body (2) to be connected with the lifting piece (5) and goes up and down along with the lifting piece (5); and
the roller (7) is arranged on the lower side of the barrel (2), and the roller (7) is rotatably connected to the support piece (6).
2. The fine universal caster wheel of claim 1, wherein: the supporting piece (6) comprises a sleeve piece (601) and a rod piece (602), the top of the rod piece (602) is sleeved with the sleeve piece (601), the sleeve piece (601) is connected to the bottom of the lifting piece (5), and the rod piece (602) penetrates through the barrel body (2) and then is connected with the roller (7).
3. The fine universal caster of claim 2, wherein: the rod (602) comprises a first rod portion (6021) and a second rod portion (6022); the first rod part (6021) extends along the vertical direction, one end of the first rod part (6021) is connected with the sleeve part (601), the other end of the first rod part (6021) is connected with the second rod part (6022), the second rod part (6022) extends towards one side far away from the positioning groove (4) along the horizontal direction, and the roller (7) is arranged on the second rod part (6022).
4. The fine universal caster of claim 3, wherein: the axis of the cylinder (2) is superposed with the diameter of the roller (7) in the vertical direction; and/or the presence of a gas in the atmosphere,
a raised part (6023) is arranged at the joint of the first rod part (6021) and the second rod part (6022), and the raised part (6023) extends to the side far away from the roller (7).
5. The fine universal caster of claim 4, wherein: the rod (602) is connected with the sleeve (601) through a positioning pin (603).
6. The fine universal caster of claim 5, wherein: at least two first positioning holes are formed in the sleeve piece (601) at intervals in the vertical direction, a second positioning hole is formed in the first rod portion (6021), and the positioning pin (603) penetrates through one first positioning hole and enters the second positioning hole.
7. The fine universal caster of claim 2, wherein: the sleeve (601) is sleeved with a limiting piece (8), and the limiting piece (8) is used for preventing the sleeve (601) from separating from the barrel (2).
8. The fine universal caster of claim 1, wherein: the top plate (1) is provided with a connecting rod (9), the connecting rod (9) extends in the vertical direction, a rotary table (10) is arranged in the cylinder body (2), one end of the connecting rod (9) extends into the cylinder body (2) and is connected with the rotary table (10), and a ball bearing (11) is arranged between the rotary table and the cylinder body (2).
9. The fine universal caster of any one of claims 3 to 8, wherein: the barrel body (2) comprises a barrel top (201), a barrel body (202) and a barrel bottom (203), the barrel top (201) is rotatably connected to the top plate (1), one end of the barrel body (202) is connected to the barrel top (201), and the other end of the barrel body (202) is connected to the barrel bottom (203);
the positioning groove (4) is formed in the cylinder body (202).
10. The fine universal caster of claim 9, wherein: and a shock insulation gasket (12) is arranged between the cylinder top (201) and the top plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220048323.8U CN217048131U (en) | 2022-01-10 | 2022-01-10 | Universal fine-tuning caster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220048323.8U CN217048131U (en) | 2022-01-10 | 2022-01-10 | Universal fine-tuning caster |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217048131U true CN217048131U (en) | 2022-07-26 |
Family
ID=82481553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220048323.8U Active CN217048131U (en) | 2022-01-10 | 2022-01-10 | Universal fine-tuning caster |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217048131U (en) |
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2022
- 2022-01-10 CN CN202220048323.8U patent/CN217048131U/en active Active
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