CN221213311U - Combined sickbed wheel hexagonal rod structure - Google Patents
Combined sickbed wheel hexagonal rod structure Download PDFInfo
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- CN221213311U CN221213311U CN202323413390.9U CN202323413390U CN221213311U CN 221213311 U CN221213311 U CN 221213311U CN 202323413390 U CN202323413390 U CN 202323413390U CN 221213311 U CN221213311 U CN 221213311U
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- driving seat
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- 238000007493 shaping process Methods 0.000 claims abstract description 7
- 230000006835 compression Effects 0.000 claims abstract description 6
- 238000007906 compression Methods 0.000 claims abstract description 6
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 235000000935 Santalum yasi Nutrition 0.000 description 1
- 241000775525 Santalum yasi Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a combined sickbed wheel hexagonal rod structure, which comprises a main shaft sleeve, wherein a wheel frame is arranged on the main shaft sleeve, the main shaft sleeve is provided with a central hole and a mounting hole, a central column is connected in a sliding manner in the central hole, one end of the central column is provided with a driving seat, the other end of the central column is provided with a brake block, and the brake block is connected on the central column in a rotating manner; the driving seat is internally provided with an adjusting block, a connecting column is arranged between the adjusting block and the central column, a compression spring is sleeved on the connecting column, a clamping spring is arranged in the mounting hole, one end of the adjusting block is provided with a positioning ball head, the driving seat is rotationally connected with a cam, a first gear groove and a second gear groove are formed in the cam, and a driving hole is formed in the cam; the wheel frame is provided with a directional brake block, the directional brake block is provided with a shaping brake hole, and the center column is provided with a tooth bowl gasket. The structure can realize the switching function of the sickbed wheel between the circumferential rotation state and the unidirectional rotation state by switching the position states of the positioning ball head in different gear grooves, and is flexible in switching and safe and reliable in use.
Description
Technical Field
The utility model relates to the technical field of caster manufacturing, in particular to a combined sickbed wheel hexagonal rod structure.
Background
Although the conventional sickbed casters have a brake self-locking function, the function that the casters cannot rotate is realized, when the casters which rotate in a universal way are quickly locked, the casters are easy to skid due to the fact that the casters cannot be locked in the circumferential direction, and potential safety hazards exist. Accordingly, the utility model provides a combined sickbed wheel hexagonal rod structure.
Disclosure of utility model
The utility model aims to overcome the defects in the prior art and provides a combined sickbed wheel hexagonal rod structure.
In order to solve the technical problems, the aim of the utility model is realized as follows: the utility model relates to a combined sickbed wheel hexagonal rod structure, which comprises a main shaft sleeve, wherein a wheel frame which rotates around the axis of the main shaft sleeve is arranged on the main shaft sleeve, the main shaft sleeve is provided with a central hole which is in a non-rotary column shape and a mounting hole which is in a rotary column shape, a central column matched with the central hole is connected in a sliding manner in the central hole, one end of the central column is provided with a driving seat which is connected in the mounting hole in a sliding manner, the other end of the central column is provided with a brake block which moves along with the driving seat, and the brake block is connected on the central column in a rotating manner;
The driving seat is internally provided with an adjusting block sliding along the axial direction of the driving seat, a connecting column is arranged between the adjusting block and the central column, a compression spring with one end propping against the adjusting block and the other end propping against the bottom of a mounting hole is sleeved on the connecting column, a clamping spring which is close to the top of the hole and limits the driving seat from falling off is arranged in the mounting hole, one end of the adjusting block, which is opposite to the connecting column, is provided with a positioning ball head, a cam with an axis perpendicular to the positioning ball head is rotationally connected to the driving seat, the wheel surface of the cam is tightly attached to the positioning ball head, a first gear groove and a second gear groove for embedding the positioning ball head are formed in the cam, the depth of the second gear groove is smaller than that of the first gear groove, a driving hole for controlling the rotation of the cam is formed in the axis of the cam, and a working hole for exposing the driving hole is formed in the side surface of the driving seat;
the wheel carrier is provided with a follow-up directional brake pad, the directional brake pad is provided with a shaping brake hole, the center column is provided with a tooth bowl gasket matched with the shaping brake hole, and the tooth bowl gasket is fixed on the center column.
The utility model is further provided with: the wheel carrier is also provided with a follow-up deflection preventing brake block, the central column is also provided with a tooth bowl positioned below the tooth bowl gasket, the tooth bowl is fixed on the central column, the periphery of the edge of the tooth bowl is provided with downward extending deflection preventing teeth, and the deflection preventing brake block is provided with at least one deflection preventing brake hole for inserting the deflection preventing teeth from top to bottom.
The utility model is further provided with: the central hole is in a regular hexagonal prism shape; the driving hole is in a regular hexagonal prism shape.
In summary, the utility model has the following beneficial effects: according to the combined sickbed wheel hexagonal rod structure, the brake blocks can be linked and move downwards through the transmission of the central column by pressing down the driving seat, and the wheels arranged on the wheel frames are locked, so that a braking effect is achieved; through switching the position state of location bulb in different gear grooves, can realize the sick bed wheel and rotate the switching function between state and the unidirectional rotation state in circumference, switch in a flexible way, use safe and reliable, whole function is perfect, and the practicality is strong.
Drawings
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic view of a portion of the structure of the present utility model;
FIG. 3 is a schematic view of a partial structure of the present utility model;
FIG. 4 is a schematic view of the structure of FIG. 3 from another perspective;
Fig. 5 is a schematic view of the structure of the wheel carrier for embodying the present utility model.
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present utility model, preferred embodiments of the present utility model will be described below with reference to specific examples, but it should be understood that these descriptions are only for further illustrating the features and advantages of the present utility model, and are not limiting the patent claims of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model will be further described with reference to the drawings and preferred embodiments.
Example 1
Referring to fig. 1 to 5, a hexagonal rod structure of a combined sickbed wheel according to the present embodiment includes a main shaft sleeve 1, a wheel frame 2 rotating around an axis of the main shaft sleeve 1 is provided on the main shaft sleeve 1, the main shaft sleeve 1 has a center hole 3 with a non-rotating column shape, a mounting hole 4 with a rotating column shape, a center column 5 matched with the center hole 3 is slidably connected in the center hole 3, one end of the center column 5 is provided with a driving seat 6 slidably connected in the mounting hole 4, the other end is provided with a brake block 7 which is driven, and the brake block 7 is rotatably connected on the center column 5;
The driving seat 6 is internally provided with an adjusting block 8 sliding along the axial direction of the driving seat 6, a connecting column 9 is arranged between the adjusting block 8 and the central column 5, a compression spring 10 with one end propping against the adjusting block and the other end propping against the bottom of a mounting hole is sleeved on the connecting column 9, a clamping spring (not shown in the figure) which is close to the top of the hole and limits the driving seat 6 from falling out is arranged in the mounting hole 4, one end of the adjusting block 8, which is opposite to the connecting column, is provided with a positioning ball 11, the driving seat 6 is rotationally connected with a cam 12 with the axis perpendicular to the cam 12, the wheel surface of the cam 12 is tightly attached to the positioning ball 11, the cam 12 is provided with a first gear groove 13 and a second gear groove 14 for embedding the positioning ball, the depth of the second gear groove 14 is smaller than that of the first gear groove 13, the axis of the cam 12 is provided with a driving hole 15 for controlling the driving seat 6 to rotate, and the side surface of the driving seat 6 is provided with a working hole 16 for exposing the driving hole;
The wheel frame 2 is provided with a follow-up directional brake pad 17, the directional brake pad 17 is provided with a shaping brake hole 18, the center column 5 is provided with a tooth bowl pad 19 matched with the shaping brake hole, and the tooth bowl pad 19 is fixed on the center column 5.
Further, the wheel carrier 2 is further provided with a follow-up anti-deflection brake pad 20, the center column 5 is further provided with a tooth bowl 21 positioned below the tooth bowl gasket, the tooth bowl 21 is fixed on the center column 5, the periphery of the edge of the tooth bowl 21 is provided with anti-deflection teeth 22 extending downwards, and the anti-deflection brake pad 20 is provided with an anti-deflection brake hole 23 for inserting at least one anti-deflection tooth 22 from top to bottom.
Further, the central hole 3 is in a regular hexagonal prism shape; the driving hole 15 has a regular hexagonal prism shape.
In this embodiment, first, the positioning ball 11 is in the first gear slot 13, and after the compression spring 10 is reset, the tooth bowl pad 19 is fit to be embedded in the shaped brake hole 18, the wheel frame 2 is limited circumferentially and cannot rotate relative to the spindle sleeve 1; when the positioning ball head 11 is switched to be in the state of being in the second gear groove 14, the compression spring 10 is reset, the tooth bowl gasket 19 is positioned at a position slightly below the directional brake pad 17, the directional brake pad 17 does not tie up the tooth bowl gasket 19, and at the moment, the wheel carrier 2 can still rotate relative to the main shaft sleeve 1.
The position of the positioning ball 11 is switched by using an external driving member to pass through the working hole 16 and insert into the driving hole 15, and driving the cam 12 to rotate.
And when the driving seat 6 is pressed down to move down, the brake block 7 is driven to move down to brake the rotating wheel. During the downward movement of the brake block 7, the center post 5 will also move downward with the tooth bowl 21, and the anti-deflection teeth 22 on the tooth bowl 21 are inserted into the corresponding anti-deflection brake holes 23, so as to prevent the brake block 7 from deflecting during the braking action.
The clamping spring is used for axially limiting one side of the driving seat 6; by means of the arrangement of the yasi spring 10, it serves as a co-return action for the drive seat 6 and the adjusting block 8.
According to the combined sickbed wheel hexagonal rod structure, the brake blocks can be linked and move downwards through the transmission of the central column by pressing down the driving seat, and the wheels arranged on the wheel frames are locked, so that a braking effect is achieved; through switching the position state of location bulb in different gear grooves, can realize the sick bed wheel and rotate the switching function between state and the unidirectional rotation state in circumference, switch in a flexible way, use safe and reliable, whole function is perfect, and the practicality is strong.
Unless specifically stated otherwise, in the present utility model, if there are terms such as "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., the positional or positional relation is based on the actually shown positional or positional relation, it is merely for convenience of describing the present utility model and simplifying the description, and it is not necessary to indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, so that the terms describing the positional or positional relation in the present utility model are merely for exemplary illustration and are not to be construed as limitations of the present patent, and it is possible for those skilled in the art to combine the embodiments and understand the specific meaning of the above terms according to the specific circumstances.
Unless specifically stated or limited otherwise, the terms "disposed," "connected," and "connected" herein are to be construed broadly, e.g., they may be fixed, removable, or integral; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The foregoing describes in detail preferred embodiments of the present utility model. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the utility model by one of ordinary skill in the art without undue burden. Therefore, all technical solutions which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by the person skilled in the art according to the inventive concept shall be within the scope of protection defined by the claims.
Claims (3)
1. The utility model provides a combination formula sick bed wheel hexagonal rod structure, includes the main shaft cover, is equipped with the wheel carrier of doing pivoted around its axis on the main shaft cover, its characterized in that: the main shaft sleeve is provided with a central hole which is in a non-rotary column shape and a mounting hole which is in a rotary column shape, the central hole is connected with a central column which is matched with the central hole in a sliding manner, one end of the central column is provided with a driving seat which is connected in the mounting hole in a sliding manner, and the other end of the central column is provided with a brake block which is driven by the driving seat in a sliding manner, and the brake block is connected to the central column in a rotating manner;
The driving seat is internally provided with an adjusting block sliding along the axial direction of the driving seat, a connecting column is arranged between the adjusting block and the central column, a compression spring with one end propping against the adjusting block and the other end propping against the bottom of a mounting hole is sleeved on the connecting column, a clamping spring which is close to the top of the hole and limits the driving seat from falling off is arranged in the mounting hole, one end of the adjusting block, which is opposite to the connecting column, is provided with a positioning ball head, a cam with an axis perpendicular to the positioning ball head is rotationally connected to the driving seat, the wheel surface of the cam is tightly attached to the positioning ball head, a first gear groove and a second gear groove for embedding the positioning ball head are formed in the cam, the depth of the second gear groove is smaller than that of the first gear groove, a driving hole for controlling the rotation of the cam is formed in the axis of the cam, and a working hole for exposing the driving hole is formed in the side surface of the driving seat;
the wheel carrier is provided with a follow-up directional brake pad, the directional brake pad is provided with a shaping brake hole, the center column is provided with a tooth bowl gasket matched with the shaping brake hole, and the tooth bowl gasket is fixed on the center column.
2. The combined sickbed wheel hexagonal rod structure according to claim 1, wherein: the wheel carrier is also provided with a follow-up deflection preventing brake block, the central column is also provided with a tooth bowl positioned below the tooth bowl gasket, the tooth bowl is fixed on the central column, the periphery of the edge of the tooth bowl is provided with downward extending deflection preventing teeth, and the deflection preventing brake block is provided with at least one deflection preventing brake hole for inserting the deflection preventing teeth from top to bottom.
3. The combined sickbed wheel hexagonal rod structure according to claim 1 or 2, characterized in that: the central hole is in a regular hexagonal prism shape; the driving hole is in a regular hexagonal prism shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323413390.9U CN221213311U (en) | 2023-12-14 | 2023-12-14 | Combined sickbed wheel hexagonal rod structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323413390.9U CN221213311U (en) | 2023-12-14 | 2023-12-14 | Combined sickbed wheel hexagonal rod structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221213311U true CN221213311U (en) | 2024-06-25 |
Family
ID=91568333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323413390.9U Active CN221213311U (en) | 2023-12-14 | 2023-12-14 | Combined sickbed wheel hexagonal rod structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221213311U (en) |
-
2023
- 2023-12-14 CN CN202323413390.9U patent/CN221213311U/en active Active
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