CN211901393U - Precise universal wheel with automatic brake - Google Patents
Precise universal wheel with automatic brake Download PDFInfo
- Publication number
- CN211901393U CN211901393U CN202020426736.6U CN202020426736U CN211901393U CN 211901393 U CN211901393 U CN 211901393U CN 202020426736 U CN202020426736 U CN 202020426736U CN 211901393 U CN211901393 U CN 211901393U
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- ball
- braking
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- shell
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Abstract
The utility model discloses a take automatic braking's accurate universal wheel, including universal ball wheel, adorn ball bearing subassembly, plug-type electro-magnet, clamp plate and the friction plate between universal ball wheel's casing and spheroid, the casing top upwards passes through to extend and sets up one section linkage passageway, and in the linkage passageway was arranged in to plug-type electro-magnet, the movable rod of plug-type electro-magnet stretched into the braking groove that sets up on the supporting piece, and the braking groove's that the friction plate set up groove bottom, the clamp plate was installed at the tip of the movable rod of plug-type electro-magnet and was located the braking groove. The advantages are that: the precise universal wheel with automatic brake is connected with the trolley through the connecting channel, the push-pull electromagnet is electrified, and when the movable rod moves downwards, the pressure plate presses the friction plate to press the universal ball to realize braking and positioning.
Description
Technical Field
The utility model relates to a take automatic braking's accurate universal wheel belongs to universal wheel technical field.
Background
With the increasingly wide application of automation technology in various fields, more and more moving trolleys provided with universal wheels are provided. The prior universal wheel is generally of a rotating wheel type structure and cannot realize accurate braking and positioning. The existing ball type universal wheel has no braking positioning mechanism or uses an artificial braking mode, and is not suitable for being used in an automatic device.
In order to realize free movement and automatic braking and positioning of the automatic trolley, a universal wheel with a special structure is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a realize dolly free motion and automatic braking location's accurate universal wheel of taking automatic braking.
The technical scheme is as follows: a precise universal wheel with automatic brake comprises a universal ball wheel, a ball bearing assembly arranged between a shell and a ball body of the universal ball wheel, a push-pull electromagnet, a pressure plate and a friction plate,
the ball bearing assembly consists of a bearing part and a plurality of balls embedded on the bearing part, the bearing part is arranged on the outer surface of the ball body in a matching way, the bearing part is a ball shell with the size larger than half, and the outer surface of the bearing part is a large half spherical surface; a plurality of ball holes are formed in the supporting piece in a matched manner with the balls, the balls are embedded into the ball holes, and the balls are in rolling contact with the outer surface of the ball body and the inner surface of the shell simultaneously;
the top of the shell is upwards transitionally extended to form a section of connecting channel, the push-pull electromagnet is arranged in the connecting channel, a movable rod of the push-pull electromagnet penetrates through the shell and extends into a braking groove arranged on the supporting piece, a friction plate is arranged on the groove bottom of the braking groove, and a pressing plate is arranged at the end part of the movable rod of the push-pull electromagnet and is positioned in the braking groove.
To the utility model discloses technical scheme's preferred, the friction plate is squarely.
To the utility model discloses technical scheme's preferred, the through-hole that supplies plug-type electro-magnet's movable rod to run through is seted up at the casing top of universal ball wheel.
Compared with the prior art, the utility model, its beneficial effect is:
the utility model discloses a take automatic braking's accurate universal wheel is by coupling channel and dolly connection, and plug-type electro-magnet circular telegram, during the movable rod downstream, the friction plate was pushed down to the clamp plate, compressed tightly universal ball and realized braking and location.
Drawings
FIG. 1 is a front view of a precision caster with automatic braking.
FIG. 2 is a top view of a precision caster with automatic braking (with the housing, push-pull electromagnet and pressure plate hidden).
Detailed Description
The technical solution of the present invention is explained in detail below, but the scope of protection of the present invention is not limited to the embodiments.
In order to make the disclosure of the present invention more comprehensible, the following description is further made in conjunction with the accompanying fig. 1-2 and the 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.
Example 1:
as shown in figure 1, the precision universal wheel with the automatic brake comprises a universal ball wheel, a ball bearing assembly arranged between a shell 4 and a ball body 3 of the universal ball wheel, a push-pull electromagnet 5, a pressure plate 6 and a friction plate 7.
As shown in fig. 1, the ball bearing assembly is composed of a bearing member 1 and a plurality of balls 2 embedded in the bearing member 1, the bearing member 1 is fittingly arranged on the outer surface of a ball body 3, the bearing member 1 is a spherical shell with more than a half, and the outer surface of the bearing member 1 is a large half spherical surface; the supporting member 1 is provided with a plurality of ball holes in cooperation with the balls 2, the balls 2 are embedded in the ball holes, and the balls 2 simultaneously roll and contact the outer surface of the ball body 3 and the inner surface of the housing 4.
As shown in fig. 2, the shell is cut away at the center of the ball, the middle square is a friction plate, and the distribution of the balls is only schematic and is not an actual projection.
The top of the shell 4 is provided with a section of connecting channel 4-1 in an upward transition extending manner, the push-pull electromagnet 5 is arranged in the connecting channel 4-1, the movable rod 5-1 of the push-pull electromagnet 5 penetrates through the shell 4 and extends into a braking groove arranged on the supporting piece 1, the friction plate 7 is square, the bottom of the braking groove arranged on the friction plate 7 is provided with a pressing plate 6, and the pressing plate 6 is arranged at the end part of the movable rod 5-1 of the push-pull electromagnet 5 and is positioned in the braking groove.
As shown in figure 1, the top of the shell 4 of the universal ball wheel is provided with a through hole for the penetration of the movable rod 5-1 of the push-pull electromagnet 5.
The push-pull electromagnet of the embodiment is a purchased standard part, a lead of the push-pull electromagnet extends out of the connecting channel 4-1 and is connected with a power supply, the push-pull electromagnet is conducted, and when the movable rod 5-1 moves downwards, the pressing plate presses the friction plate and the universal ball is pressed to realize braking and positioning.
The precise universal wheel with the automatic brake function is characterized in that the universal ball wheel serves as a main rotating wheel, balls distributed in a spherical surface mode are mounted between a ball body and a shell of the universal ball wheel, the balls are distributed regularly through a bearing, and the balls can rotate flexibly in the bearing. The connecting channel 4-1 at the top of the shell is a part for connecting the universal ball and the trolley, a push-pull electromagnet is arranged in the middle of the connecting channel, a movable rod 5-1 of the push-pull electromagnet is connected with a pressing plate, a friction plate is arranged at the lower part of the pressing plate, and when the push-pull electromagnet is switched on and the movable rod 5-1 moves downwards, the pressing plate presses the friction plate to press the universal ball to realize braking and positioning.
The utility model discloses the part that does not relate to all is the same with prior art or can adopt prior art to realize.
As mentioned above, although the present invention has been shown and described with reference to certain preferred embodiments, it should not be construed as limiting the invention itself. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (3)
1. A precise universal wheel with automatic braking is characterized by comprising a universal ball wheel, a ball bearing assembly arranged between a shell (4) and a ball body (3) of the universal ball wheel, a push-pull electromagnet (5), a pressure plate (6) and a friction plate (7),
the ball bearing assembly is composed of a bearing piece (1) and a plurality of balls (2) embedded on the bearing piece (1), the bearing piece (1) is arranged on the outer surface of the ball body (3) in a matching mode, the bearing piece (1) is a ball shell with the size larger than half, and the outer surface of the bearing piece (1) is a large half spherical surface; a plurality of ball holes are formed in the supporting piece (1) in a matched mode with the balls (2), the balls (2) are embedded into the ball holes, and the balls (2) are in rolling contact with the outer surface of the ball body (3) and the inner surface of the shell (4) at the same time;
the top of the shell (4) is provided with a section of connecting channel (4-1) in an upward transition extending mode, the push-pull electromagnet (5) is arranged in the connecting channel (4-1), a movable rod (5-1) of the push-pull electromagnet (5) penetrates through the shell (4) and extends into a braking groove formed in the supporting piece (1), a friction plate (7) is arranged on the groove bottom of the braking groove, and a pressing plate (6) is arranged at the end portion of the movable rod (5-1) of the push-pull electromagnet (5) and is located in the braking groove.
2. Precision castor with automatic braking according to claim 1, characterized in that the friction plate (7) is square.
3. The precision universal wheel with the automatic brake function according to claim 1, wherein a through hole for the movable rod (5-1) of the push-pull type electromagnet (5) to penetrate through is formed in the top of the shell (4) of the universal ball wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020426736.6U CN211901393U (en) | 2020-03-30 | 2020-03-30 | Precise universal wheel with automatic brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020426736.6U CN211901393U (en) | 2020-03-30 | 2020-03-30 | Precise universal wheel with automatic brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211901393U true CN211901393U (en) | 2020-11-10 |
Family
ID=73274393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020426736.6U Active CN211901393U (en) | 2020-03-30 | 2020-03-30 | Precise universal wheel with automatic brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211901393U (en) |
-
2020
- 2020-03-30 CN CN202020426736.6U patent/CN211901393U/en active Active
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