CN219645339U - Positioning mechanism based on gravity wheel - Google Patents
Positioning mechanism based on gravity wheel Download PDFInfo
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- CN219645339U CN219645339U CN202321218093.6U CN202321218093U CN219645339U CN 219645339 U CN219645339 U CN 219645339U CN 202321218093 U CN202321218093 U CN 202321218093U CN 219645339 U CN219645339 U CN 219645339U
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- 230000005484 gravity Effects 0.000 title claims abstract description 102
- 230000007246 mechanism Effects 0.000 title claims abstract description 34
- 230000000694 effects Effects 0.000 claims abstract description 4
- 238000005096 rolling process Methods 0.000 claims abstract description 3
- 230000009471 action Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The utility model discloses a positioning mechanism based on a gravity wheel, which comprises a positioning piece, the gravity wheel and a positioning seat, wherein the positioning piece is arranged on the positioning seat; the positioning seat is provided with a gravity wheel telescopic cavity; a gravity wheel sleeve is arranged in the gravity wheel telescopic cavity; the gravity wheel is arranged in the gravity wheel sleeve in a rolling way; a spring is arranged between the upper end of the gravity wheel sleeve and the positioning seat; the positioning piece is provided with a positioning plane part for positioning, and a gravity wheel telescopic hole is formed in the positioning plane part; the gravity wheel can stretch out and draw back the motion for the gravity wheel expansion hole of setting element under the spring effect. The positioning mechanism is simple in structure, can meet the requirement of convenient movement, can realize the positioning function and is convenient to position.
Description
Technical Field
The utility model relates to the technical field of positioning structures, in particular to a positioning mechanism based on a gravity wheel.
Background
In order to meet the requirement that a user can conveniently move at any time as required, the articles such as a seat, a baby crib and the like are generally provided with a movable wheel set, and in the use process, positioning is needed to ensure the use stability; the existing positioning structure generally performs braking locking on a movable wheel set on a seat or a baby crib through a locking piece. The positioning structure is complex in general structure, and is inconvenient to use because a user is required to perform locking and unlocking operations.
Disclosure of Invention
In order to solve the technical problems, the utility model aims to provide a positioning mechanism based on a gravity wheel; the positioning mechanism is simple in structure, can meet the requirement of convenient movement, can realize the positioning function and is convenient to position.
In order to achieve the technical purpose and the technical effect, the utility model is realized by the following technical scheme:
the positioning mechanism based on the gravity wheel comprises a positioning piece, the gravity wheel and a positioning seat, wherein the positioning piece is arranged on the positioning seat; the positioning seat is provided with a gravity wheel telescopic cavity; a gravity wheel sleeve is arranged in the gravity wheel telescopic cavity; the gravity wheel is arranged in the gravity wheel sleeve in a rolling way; a spring is arranged between the upper end of the gravity wheel sleeve and the positioning seat; the positioning piece is provided with a positioning plane part for positioning, and a gravity wheel telescopic hole is formed in the positioning plane part; the gravity wheel can stretch out and draw back the motion for the gravity wheel expansion hole of setting element under the spring effect.
Further, the positioning piece is also provided with a bushing part, and the bushing part and the positioning plane part form a T-shaped structure; the bushing part is inserted into the gravity wheel telescopic cavity of the positioning seat, and the bushing part is arranged between the outer wall of the gravity wheel sleeve and the inner wall of the positioning seat in a lining manner.
Furthermore, a clamping boss is arranged on the outer wall of the lining part of the positioning piece, a clamping hole is arranged on the positioning seat, and the clamping boss is clamped with the clamping hole so as to connect the lining part of the positioning piece with the positioning seat.
Further, the upper end of the gravity wheel sleeve is provided with a convex column, the inner side of the top of the positioning seat is provided with a round cavity, one end of the spring is sleeved on the convex column, and the other end of the spring is propped against the round cavity.
Further, the positioning member also has a wear pad on the underside of the positioning plane.
Further, a fixing hole is formed in the positioning plane part of the positioning piece; the fixing hole can be used for fixedly mounting the whole positioning mechanism on articles such as a seat or a baby crib.
Further, the fixing hole is of a counter bore structure.
The beneficial effects of the utility model are as follows:
the positioning mechanism realizes the functions of positioning and convenient movement through the elastic expansion and contraction of the gravity wheel; when the positioning mechanism is acted by gravity, the gravity wheel moves towards the direction of the gravity wheel telescopic cavity of the positioning seat, and the positioning piece is attached to the ground in a weight pressing way through the positioning plane part, so that the positioning of articles (seats, baby beds and the like) to be positioned is realized. When the gravity wheel is not stressed by heavy pressure, the gravity wheel can extend out of the gravity wheel telescopic hole of the positioning plane part under the action of the spring, and at the moment, articles such as a seat or a baby crib can be conveniently moved.
The positioning mechanism is simple in structure and low in production cost, does not need to perform manual locking and braking or unlocking operation, can achieve good positioning through the action of gravity, and greatly facilitates stable positioning of products such as a seat or a baby crib.
Drawings
Fig. 1 is a schematic structural diagram of a positioning mechanism based on a gravity wheel according to an embodiment of the present utility model.
Fig. 2 is an exploded view of a positioning mechanism based on a gravity wheel according to an embodiment of the present utility model.
Fig. 3 is a schematic structural view of a positioning seat in a positioning mechanism based on a gravity wheel according to an embodiment of the present utility model.
Fig. 4 is a schematic structural view of a positioning member in a positioning mechanism based on a gravity wheel according to an embodiment of the present utility model, in which a wear pad is removed.
Fig. 5 is a schematic structural diagram of a positioning mechanism based on a gravity wheel combined with a seat according to an embodiment of the present utility model.
In the figure, 1: locating piece, 11: bushing portion, 111: clamping boss, 12: positioning the planar portion, 121: gravity wheel telescopic hole, 122: fixing holes, 13: a wear pad; 2: a gravity wheel; 3: positioning seat, 31: gravity wheel expansion chamber, 32: clamping hole, 33: a circular cavity; 4: gravity wheel cover, 41: gravity wheel mounting cavity, 42: a convex column; 5: a spring; 6: support rail, 61: embedded in the groove.
Detailed Description
The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.
In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "front", "rear", "left", "right", "upper", "lower", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
A preferred embodiment of a gravity wheel based positioning mechanism is shown in fig. 1-4; the positioning mechanism comprises a positioning piece 1, a gravity wheel 2 and a positioning seat 3.
Wherein, the positioning piece 1 is provided with a lining part 11 and a positioning plane part 12 for positioning, and the positioning plane part 12 and the lining part 11 form a T-shaped structure; the positioning seat 3 is of a columnar structure with a gravity wheel telescopic cavity 31. The bushing part 11 of the positioning piece 1 is inserted into the gravity wheel telescopic cavity 31 of the positioning seat 3; specifically, the outer wall of the bushing portion 11 of the positioning member 1 is provided with a clamping boss 111, the positioning seat 3 is provided with a clamping hole 32, and the clamping boss 111 is clamped with the clamping hole 32, so that the bushing portion 11 of the positioning member 1 is connected with the positioning seat 3.
A gravity wheel sleeve 4 is also arranged in the gravity wheel telescopic cavity 31 of the positioning seat 3; specifically, the gravity wheel sleeve 4 is mounted in the bushing portion 11 of the positioning member 1; that is, the bushing portion 11 of the positioning member 1 is interposed between the outer wall of the gravity wheel cover 4 and the inner wall of the positioning seat 3.
The gravity wheel sleeve 4 is provided with a gravity wheel mounting cavity 41, and the cavity surface of the gravity wheel mounting cavity 41 is an arc surface; the gravity wheel 2 is rollingly mounted in the gravity wheel mounting cavity 41 of the gravity wheel sleeve 4. And the flywheel 2 is capable of 360 deg. rotation.
A spring 5 is arranged between the upper end of the gravity wheel sleeve 4 and the positioning seat 3; more specifically, the upper end of the gravity wheel sleeve 4 is provided with a convex column 42, the inner side of the top of the positioning seat 3 is provided with a round cavity 33, one end of the spring 5 is sleeved on the convex column 42, and the other end is propped against the round cavity 33. Under the action of the spring 5, the gravity wheel sleeve 4 and the gravity wheel 2 can perform up-and-down telescopic movement.
The positioning piece 1 inserted on the positioning seat 3 and the positioning seat 3 form a T-shaped structure. The positioning plane part 12 of the positioning piece 1 is provided with a gravity wheel telescopic hole 121; the gravity wheel 2 can perform up-and-down telescopic movement relative to the gravity wheel telescopic hole 121 of the positioning piece 1 under the action of a spring.
The positioning plane portion 12 of the positioning member 1 is provided with a fixing hole 122, and the fixing hole 122 may be a threaded hole, which can be locked into a threaded connection member for fixing and combining with an article to be positioned. And the fixing hole 122 is of a counter bore structure so as to ensure that the bottom surface of the whole positioning piece is a plane.
The positioning element 1 also has a wear pad 13 on the underside of the positioning plane portion 12. Specifically, the wear pad 13 is made of a flexible wear-resistant material, and is adhered to the positioning plane portion 12 of the positioning member 1. The wear pad 13 is provided with an extension hole corresponding to the shape of the gravity wheel extension hole 121 at a position corresponding to the gravity wheel extension hole 121. The wear pad 13 can shield the fixing hole 122 on the positioning piece 1 and the threaded connecting piece penetrated in use, and can also protect the ground to a certain extent.
It should be noted that the positioning mechanism based on the gravity wheel can be combined and applied to products such as seats, baby cribs and the like. For example, the positioning mechanism may be mounted to a floor-supporting structure of the product, such as the leg bottom of a seat, the foot bottom of a seat, the support rail bottom of a seat, the leg bottom of a crib, and the like. When used in combination, the positioning mechanism may be embedded in the structure of the product that is supported on the ground.
Fig. 5 shows a schematic view of a part of the structure of the combination of the positioning mechanism based on the gravity wheel and the seat according to the utility model. The seat shown in fig. 5 has a support rail 6 arranged between the front and rear support legs. The front and rear parts of the support cross bar 6 are each provided with the positioning mechanism of the present utility model. Specifically, the bottom of the supporting cross bar 6 is provided with an embedded groove 61, the embedded groove 61 is provided with a deep groove and a shallow groove, and the shallow groove is provided with a mounting hole; when the positioning mechanism is installed, the positioning plane part 12 of the positioning piece 1 in the positioning mechanism is embedded in the shallow groove, the combined structure formed by the bushing part 11 of the positioning piece 1, the positioning seat 3, the gravity wheel sleeve 4, the gravity wheel 2 and the spring 5 is embedded in the deep groove, and the gravity wheel 2 can protrude out of the bottom surface of the supporting cross rod 6 after extending out. The threaded connecting piece is locked in the fixing hole 122 on the positioning piece 1 and the mounting hole of the shallow groove, so that the fixing and mounting of the positioning mechanism on the supporting cross rod 6 of the seat are realized. When a person sits on the seat, the gravity wheel 2 is stressed to move upwards (namely, move towards the direction of the gravity wheel telescopic cavity of the positioning seat), and the bottom surface of the positioning piece 1 (the bottom surface of the wear-resisting pad) is attached to the ground under the stress, so that the positioning of the seat is realized. When the human body leaves the seat, the gravity wheel 2 is not stressed by gravity, and part of the gravity wheel can extend out of the gravity wheel telescopic hole 121 of the positioning piece 1 under the action of the spring 5 so as to be in contact with the ground; the gravity wheel 2 can rotate 360 degrees so as to facilitate the user to move the seat at any time.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (7)
1. The positioning mechanism based on the gravity wheel is characterized by comprising a positioning piece, the gravity wheel and a positioning seat, wherein the positioning piece is arranged on the positioning seat; the positioning seat is provided with a gravity wheel telescopic cavity; a gravity wheel sleeve is arranged in the gravity wheel telescopic cavity; the gravity wheel is arranged in the gravity wheel sleeve in a rolling way; a spring is arranged between the upper end of the gravity wheel sleeve and the positioning seat; the positioning piece is provided with a positioning plane part for positioning, and a gravity wheel telescopic hole is formed in the positioning plane part; the gravity wheel can stretch out and draw back the motion for the gravity wheel expansion hole of setting element under the spring effect.
2. A gravity wheel based positioning mechanism as claimed in claim 1 wherein: the positioning piece is also provided with a lining part, and the lining part and the positioning plane part form a T-shaped structure; the bushing part is inserted into the gravity wheel telescopic cavity of the positioning seat, and the bushing part is arranged between the outer wall of the gravity wheel sleeve and the inner wall of the positioning seat in a lining manner.
3. A gravity wheel based positioning mechanism as claimed in claim 2 wherein: the outer wall of the lining part of the locating piece is provided with a clamping boss, the locating seat is provided with a clamping hole, and the clamping boss is clamped with the clamping hole so as to connect the lining part of the locating piece with the locating seat.
4. A gravity wheel based positioning mechanism as claimed in claim 1 wherein: the upper end of the gravity wheel sleeve is provided with a convex column, the inner side of the top of the positioning seat is provided with a round cavity, one end of the spring is sleeved on the convex column, and the other end of the spring is propped against the round cavity.
5. A gravity wheel based positioning mechanism as claimed in claim 1 wherein: the positioning member also has a wear pad on the underside of the positioning plane.
6. A gravity wheel based positioning mechanism as claimed in claim 1 wherein: the positioning plane part of the positioning piece is provided with a fixing hole.
7. The gravity wheel based pointing mechanism of claim 6, wherein: the fixing hole is of a counter bore structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321218093.6U CN219645339U (en) | 2023-05-19 | 2023-05-19 | Positioning mechanism based on gravity wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321218093.6U CN219645339U (en) | 2023-05-19 | 2023-05-19 | Positioning mechanism based on gravity wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219645339U true CN219645339U (en) | 2023-09-08 |
Family
ID=87858213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321218093.6U Active CN219645339U (en) | 2023-05-19 | 2023-05-19 | Positioning mechanism based on gravity wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219645339U (en) |
-
2023
- 2023-05-19 CN CN202321218093.6U patent/CN219645339U/en active Active
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