CN217130075U - Child dining chair supporting leg rotating joint and child dining chair - Google Patents
Child dining chair supporting leg rotating joint and child dining chair Download PDFInfo
- Publication number
- CN217130075U CN217130075U CN202220908978.8U CN202220908978U CN217130075U CN 217130075 U CN217130075 U CN 217130075U CN 202220908978 U CN202220908978 U CN 202220908978U CN 217130075 U CN217130075 U CN 217130075U
- Authority
- CN
- China
- Prior art keywords
- joint
- joint seat
- locking
- seat
- locking piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a support leg rotating joint of a child dining chair and the child dining chair, which comprises a first joint seat, a second joint seat and a locking piece; the first joint seat and the second joint seat are adjacently arranged and can rotate relatively; the locking piece is arranged in a cavity formed between the first joint seat and the second joint seat; a first locking groove for accommodating the locking piece is arranged in the first joint seat, and a second locking groove for accommodating the locking piece is arranged in the second joint seat; when the locking piece is simultaneously positioned in the first locking groove and the second locking groove, the first joint seat and the second joint seat are locked and can not rotate; when the locking piece is separated from any locking groove, the first joint seat and the second joint seat can rotate relatively; the structure makes unlocking or locking more convenient, and then the joint seat can rotate more quickly and flexibly.
Description
Technical Field
The utility model relates to a children dining chair especially relates to a children dining chair supporting legs revolute joint, and this revolute joint connects children dining chair's supporting legs, the angle between two supporting legs of the unilateral of the adjustable children dining chair of revolute joint to the supporting legs expandes or draws in.
Background
A child dining chair generally comprises supporting legs, a seat, a dinner plate and the like, wherein the seat is arranged on the supporting legs, and the dinner plate is arranged on a chair body of the seat.
CN213188907U discloses a chair and supporting leg assemblies at two sides of the chair, wherein the supporting leg assemblies comprise a front supporting leg and a rear supporting leg. The front supporting leg and the rear supporting leg are connected through a rotary joint so as to be unfolded or folded conveniently.
The rotary joint comprises a front joint seat and a rear joint seat which are mutually connected through a rotating shaft, the baby dining chair is also provided with a joint cover, and the joint parts of the two joint seats are enveloped in the joint cover.
CN215190544U joint structure of dining chair, comprising a rotation shaft, a first rotation part and a second rotation part, a locking member and a driving member for locking the relative rotation of the first rotation part and the second rotation part.
CN 203538869U's dining chair joint button adjustment mechanism includes first regulating switch, second regulating switch, adjustment spanner, spring, pivot and adjusting bearing etc..
The prior dining chair supporting leg joint has the defects of insufficient stability, inconvenient operation and the like.
SUMMERY OF THE UTILITY MODEL
Based on the not enough of current dining chair supporting legs joint, the utility model provides a high, convenient operation's of stability dining chair supporting legs joint.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: the children dining chair supporting leg rotating joint is characterized by comprising a first joint seat, a second joint seat and a locking piece;
the first joint seat and the second joint seat are adjacently arranged and can rotate relatively;
the locking piece is arranged in a cavity formed between the first joint seat and the second joint seat;
a first locking groove for accommodating the locking piece is formed in the first joint seat, and a second locking groove for accommodating the locking piece is formed in the second joint seat;
when the locking piece is simultaneously positioned in the first locking groove and the second locking groove, the first joint seat and the second joint seat are locked and can not rotate;
when the locking piece is separated from any locking groove, the first joint seat and the second joint seat can rotate relatively.
The utility model discloses further preferred technical scheme does: a key is arranged on the outer side of the first joint seat and can move along the direction of the rotation center line of the joint;
a push rod is arranged on the inner side of the key and penetrates through the first joint seat to enter the inner cavity and push against one side of the locking piece;
the key is pressed inwards, and the ejector rod pushes the locking piece to the second locking groove.
The utility model discloses further preferred technical scheme does: a sunken area is arranged on the outer side of the first joint seat, and the key can move in the sunken area;
the inner side of the key is provided with a limiting hook which is hooked on the inner wall of the first joint seat so as to limit the key to be separated from the sunken area.
The utility model discloses further preferred technical scheme does: the lower part of the first joint seat is provided with a first foot tube for inserting a first supporting foot; and a second foot tube for inserting the second supporting foot is arranged at the lower part of the second joint seat.
The utility model discloses further preferred technical scheme does: and a reset spring is arranged in the first joint seat and is propped against the other side of the locking piece, and the reset spring enables the locking piece to be simultaneously positioned in the first locking groove and the second locking groove.
The utility model discloses further preferred technical scheme does: and a joint cover is arranged on the outer side of the second joint seat and combined with the first joint seat to form an inner cavity for accommodating the second joint seat.
The utility model discloses further preferred technical scheme does: the locking piece comprises a round main body, and a plurality of square bosses are arranged on the periphery of the round main body; the first and second locking grooves have a structure matching the locking piece.
The utility model discloses further preferred technical scheme does: the joint cover, the first joint seat and the second joint seat are in shaft connection through a rotating shaft; the rotating shaft is a rivet; the joint cover is connected with the first joint seat through a plurality of screws, and the second joint seat is provided with an arc-shaped groove for the screws to pass through so as to adapt to the rotation of the second joint seat relative to the first joint seat.
Another subject is: the children dining chair supporting leg rotating joint is characterized by comprising a first joint seat, a second joint seat, a locking piece, a key and a joint cover;
a concave area is arranged on the outer side of the first joint seat, a key is arranged in the concave area, and an ejector rod for ejecting and pressing the locking piece is arranged on the inner side of the key;
the joint cover is positioned on the outer side of the second joint seat, and the joint cover and the first joint seat form an inner cavity in combination to accommodate the second joint seat; the joint cover, the first joint seat and the second joint seat are sequentially coupled by the rotating shaft;
the locking piece is arranged in a cavity formed between the first joint seat and the second joint seat;
a first locking groove for accommodating the locking piece is formed in the first joint seat, and a second locking groove for accommodating the locking piece is formed in the second joint seat;
when the locking piece is simultaneously positioned in the first locking groove and the second locking groove, the first joint seat and the second joint seat are locked and can not rotate;
the ejector rod of the key pushes and contacts the locking piece to be separated from the first locking groove, and the first joint seat and the second joint seat can rotate relatively;
the utility model discloses further preferred technical scheme does: a reset spring is arranged in the first joint seat and is propped against the other side of the locking piece, and the reset spring enables the locking piece to be simultaneously positioned in the first locking groove and the second locking groove; the locking piece comprises a round main body, and a plurality of square bosses are arranged on the periphery of the round main body; the first and second locking grooves have a structure matching the locking piece.
The utility model discloses further preferred technical scheme does: the joint cover is connected with the first joint seat through a plurality of screws, the second joint seat is provided with an arc-shaped groove for the screws to pass through, and the arc-shaped groove is suitable for the rotation of the second joint seat relative to the first joint seat.
Yet another subject is: the child dining chair comprises any one of the child dining chair supporting leg rotating joints.
Compared with the prior art, the utility model has the advantages that the locking pieces are arranged in the two joint seats of the supporting leg rotating joint, when the locking pieces are simultaneously embedded in the two locking grooves of the two joint seats, the two joint seats are in a locking state and can not rotate relatively; when the locking piece is withdrawn from one of the locking grooves, the two joint seats are in an unlocking state and can rotate relatively; the unlocking or locking structure is more convenient, and the joint seat can rotate more quickly and flexibly.
Drawings
The present invention will be described in further detail below with reference to the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of explaining the preferred embodiments, and therefore should not be taken as limiting the scope of the present invention. Furthermore, unless specifically stated otherwise, the drawings are intended to be conceptual in nature or configuration of the described objects and may contain exaggerated displays and are not necessarily drawn to scale.
FIG. 1 is a first schematic view of a child dining chair;
FIG. 2 is a schematic view of a second embodiment of the child dining chair;
FIG. 3 is a first disassembled view of the rotary joint of the supporting leg;
FIG. 4 is a second schematic view of the support leg rotating joint with the structure disassembled;
FIG. 5 is a schematic view of the locking member fully inserted into the second locking groove;
FIG. 6 is a schematic view of the locking element being confined within the first locking groove;
FIG. 7 is a third schematic view of the support foot revolute joint with a disassembled structure;
FIG. 8 is a side cross-sectional view of the leg rotation joint in a locked condition;
fig. 9 is a side sectional view of the foot-supporting revolute joint in the unlocked state.
Detailed Description
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Those skilled in the art will appreciate that the description is illustrative only, and is not to be construed as limiting the scope of the invention.
It should be noted that: like reference numerals refer to like items in the following figures, and thus, once an item is defined in one figure, it may not be further defined and explained in subsequent figures.
As shown in fig. 1 and 2, the child dining chair 200 includes a chair body 201 and a plate assembly 202 mounted on the front side of the chair body 201. The two sides of the chair body 201 are provided with supporting leg components, and the supporting leg components are connected with the two sides of the chair body 201 through supporting leg rotating joints 100 of the child dining chair. This embodiment mainly explains the concrete structure of supporting legs revolute joint, specifically as follows:
the leg rotation joint 100 of the child dining chair comprises a first joint seat 11, a second joint seat 12 and a locking piece 20. The first joint seat 11 and the second joint seat 12 are adjacently arranged and can rotate relatively. Have a pivot to pass first joint seat 11, locking piece 20 and second joint seat 12 in proper order, tentatively prescribe the position relation between the three, make things convenient for two joint seat relative rotations and avoid the dislocation, locking piece 20 is located in the cavity that forms between first joint seat 11 and the second joint seat 12.
Further, as shown in fig. 3 to 7, a first locking groove 31 for accommodating the locking member 20 is provided in the first joint seat 11, and a second locking groove 32 for accommodating the locking member 20 is provided in the second joint seat 12; when the locking pieces 30 are simultaneously located in the first locking groove 31 and the second locking groove 32, the first joint seat 11 and the second joint seat 12 are locked against rotation, as shown in fig. 8, in a locked state. When the locking piece 20 is disengaged from any of the locking slots, the first joint seat 11 and the second joint seat 12 can rotate relatively, as shown in fig. 9, and are in an unlocked state.
The utility model has the advantages that the locking pieces 20 are arranged in the two joint seats of the supporting leg rotating joint, when the locking pieces 20 are simultaneously embedded in the two locking grooves of the two joint seats, the two joint seats are in a locking state and can not rotate relatively; when the locking piece 20 is withdrawn from one of the locking grooves, the two joint seats are in an unlocked state and can rotate relatively; the unlocking or locking structure is more convenient, and the joint seat can rotate more quickly and flexibly.
Preferably, a key 13 is provided on the outer side of the first joint seat 11, and the key 13 is movable along the direction of the joint rotation center line. The inner side of the key 13 is provided with a push rod a1, and the push rod a1 penetrates through the first joint seat 11 into the inner cavity and pushes against one side of the locking piece 20. In use, when the key 13 is pressed inward, the push rod a1 pushes the locking member 20 to the second locking groove 32, that is, the push rod a1 pushes the locking member 20 to be disengaged from the first locking groove 31. When the locking piece is completely inserted into the second locking groove 32, the locking piece 20 no longer radially limits the first joint seat 11, and the first joint seat 11 and the second joint seat 12 rotate relatively. When the pressing force applied on the key 13 is removed, the locking piece 20 will be reset under the resilience of the reset spring f, and at this time, the locking piece 20 will be embedded in the locking grooves with certain depth of the two joint seats based on certain thickness, and limit the rotation direction of the two joints seats, and avoid the relative rotation of the two joints.
Preferably, the first joint seat 11 is provided with a recessed area 14 on the outer side, and the key 13 can move in the recessed area 14. Furthermore, a limiting hook 15 is disposed on the inner side of the key 13, and the limiting hook 15 is hooked on the inner wall of the first joint seat 11 to limit the key 13 from escaping from the recessed area 14.
More specifically, the lower portion of the first joint seat 11 is provided with a first leg pipe t1 for inserting the first supporting leg 1 a; the lower portion of the second joint base 12 is provided with a second leg pipe t2 into which the second support leg 2a is inserted.
Preferably, a return spring f is disposed in the first joint seat 11, the return spring f is against the other side of the locking member 20, and the return spring f makes the locking member 20 simultaneously located in the first locking groove 31 and the second locking groove 32. That is, under the condition of no external force, the return spring f will make the locking piece 20 in the locking state, and the two joint seats cannot rotate relatively.
Based on the characteristic that the return spring f is elastically deformable, pressing the key 13 compresses the return spring f and further pushes the locking member 20 toward the second locking groove 32 by using the ejector a1 on the key 13 until the locking member 20 is completely disengaged from the first locking groove 31.
Further, a joint cover 16 is disposed on the outer side of the second joint seat 12, and the joint cover 16 and the first joint seat 11 form an inner cavity to accommodate the second joint seat 12.
It should be noted that the locking member 20 in this embodiment includes a circular main body 21, and a plurality of square bosses 23 are provided on the periphery of the circular main body 21; the first locking groove 31 and the second locking groove 32 have a structure matching the locking piece 20.
Specifically, a matching structure in the first locking groove 31 is illustrated, and the specific matching structure includes a plurality of trapezoidal restricting pieces c1 that are uniformly distributed at annular intervals, a square restricting groove c2 is formed between adjacent restricting pieces, the square boss 23 on the locking piece 20 is embedded into the square restricting groove c2 at a corresponding position, and the shape and size of the square restricting groove c2 are equivalent to those of the square boss 23, so that the two can be mutually embedded, and the square boss 23 can be easily moved inside and outside the trapezoidal restricting groove c 2.
As described above, the joint cover 16, the first joint seat 11 and the second joint seat 12 in this embodiment are coupled by a rotating shaft, which is preferably a rivet g1 in this embodiment. The joint cover 16 is connected with the first joint seat 11 through a plurality of screws g2, the second joint seat 12 is provided with an arc-shaped groove v for the screw g2 to pass through, and the arc-shaped groove v is adapted to the rotation of the second joint seat 12 relative to the first joint seat 11, so as to avoid the interference of the screw g2 with the rotation of the second joint seat 12. The arc length of the arc-shaped groove v is matched with the maximum angle of relative rotation of the joint seat.
The utility model aims to explain that when the locking pieces 20 are embedded in the two joint seats of the supporting leg rotating joint, the two joint seats are in a locking state and can not rotate relatively when the locking pieces 20 are embedded in the two locking grooves of the two joint seats; when the locking piece 20 is withdrawn from one of the locking grooves, the two joint seats are in an unlocked state and can rotate relatively; the unlocking or locking structure is more convenient, and the joint seat can rotate more quickly and flexibly.
And the main part of locking piece 20 is circular, and the locking groove of seting up in joint seat and the joint seat is circular and circular-like structure, is convenient for locking piece 20 to put into in two locking grooves. And the locking piece 20 is formed with a certain thickness so that the direction convex 23 of the peripheral side portion thereof can be simultaneously inserted into the two locking grooves of both sides, thereby defining the two joint seats.
It should be noted that the locking member 20 may have other shapes as long as the locking member 20 has a limiting member with the same function as the direction protrusion 23; in the locking state, the limiting piece with a certain thickness is simultaneously clamped in the two locking grooves so as to prevent the two knuckle seats from rotating relatively. In the unlocked state, the push rod a1 on the button 13 pushes the locking member 20 to be completely disengaged from the first locking groove 31, and the two joint seats can rotate relatively.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "inner", "outer", etc. are the directions or positional relationships that are usually placed when the product of the present invention is used, and are based on the directions or positional relationships shown in the drawings, or the directions or positional relationships shown in the drawings, only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the indicated device or element must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.
It is right above the utility model provides a children dining chair supporting legs revolute joint has carried out detailed introduction, and it is right to have used specific individual example herein the utility model discloses a principle and implementation mode have explained, and the explanation of above embodiment only is used for helping understanding the utility model discloses and core thought. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (12)
1. The children dining chair supporting leg rotating joint is characterized by comprising a first joint seat, a second joint seat and a locking piece;
the first joint seat and the second joint seat are adjacently arranged and can rotate relatively;
the locking piece is arranged in a cavity formed between the first joint seat and the second joint seat;
a first locking groove for accommodating the locking piece is formed in the first joint seat, and a second locking groove for accommodating the locking piece is formed in the second joint seat;
when the locking piece is simultaneously positioned in the first locking groove and the second locking groove, the first joint seat and the second joint seat are locked and can not rotate;
when the locking piece is separated from any locking groove, the first joint seat and the second joint seat can rotate relatively.
2. The leg rotation joint of a child dining chair as claimed in claim 1, wherein a button is provided on the outside of said first joint seat, said button being movable along the centerline of rotation of the joint;
a push rod is arranged on the inner side of the key, penetrates through the first joint seat, enters the inner cavity and pushes against one side of the locking piece;
the key is pressed inwards, and the ejector rod pushes the locking piece to the second locking groove.
3. The leg pivot joint of claim 2, wherein the first joint seat has a recessed area on the outside thereof, and the button is movable in the recessed area;
the inner side of the key is provided with a limiting hook which is hooked on the inner wall of the first joint seat to limit the key to be separated from the depressed area.
4. The leg pivot joint of the children's dining chair as claimed in claim 1, wherein the lower portion of the first joint seat is provided with a first leg tube for inserting the first leg; and a second foot tube for inserting the second supporting foot is arranged at the lower part of the second joint seat.
5. The children's dining chair support foot turning joint as claimed in claim 1, wherein a return spring is provided in said first joint seat, said return spring abutting against the other side of said locking member, said return spring allowing said locking member to be located in both said first locking groove and said second locking groove.
6. The leg pivot joint of claim 1, wherein a joint cover is provided on the outside of the second joint seat, and the joint cover and the first joint seat combine to form an inner cavity for receiving the second joint seat.
7. The leg pivot joint of a child dining chair as claimed in claim 1, wherein said locking member comprises a circular body having a plurality of square bosses formed on the periphery thereof;
the first and second locking grooves have a structure matching the locking piece.
8. The children's dining chair support foot rotary joint according to claim 6, wherein the joint cover, the first joint seat and the second joint seat are coupled by a rotary shaft; the rotating shaft is a rivet;
the joint cover is connected with the first joint seat through a plurality of screws, and the second joint seat is provided with an arc-shaped groove for the screws to pass through so as to adapt to the rotation of the second joint seat relative to the first joint seat.
9. The children dining chair supporting leg rotating joint is characterized by comprising a first joint seat, a second joint seat, a locking piece, a key and a joint cover;
a concave area is arranged on the outer side of the first joint seat, a key is arranged in the concave area, and an ejector rod for ejecting and pressing the locking piece is arranged on the inner side of the key;
the joint cover is positioned on the outer side of the second joint seat, and the joint cover and the first joint seat form an inner cavity in combination to accommodate the second joint seat; the joint cover, the first joint seat and the second joint seat are sequentially coupled by the rotating shaft;
the locking piece is arranged in a cavity formed between the first joint seat and the second joint seat;
a first locking groove for accommodating the locking piece is formed in the first joint seat, and a second locking groove for accommodating the locking piece is formed in the second joint seat;
when the locking piece is simultaneously positioned in the first locking groove and the second locking groove, the first joint seat and the second joint seat are locked and can not rotate;
the top rod of the key pushes the locking piece to be separated from the first locking groove, and the first joint seat and the second joint seat can rotate relatively.
10. The leg pivot joint of claim 9, wherein a return spring is disposed in the first joint seat, the return spring abuts against the other side of the locking member, and the return spring allows the locking member to be simultaneously located in the first locking groove and the second locking groove;
the locking piece comprises a round main body, and a plurality of square bosses are arranged on the periphery of the round main body;
the first and second locking grooves have a structure matching the locking piece.
11. The leg pivot joint of claim 9, wherein the joint cover is connected to the first joint member by a plurality of screws, and the second joint member has an arc-shaped slot for receiving the screws, the arc-shaped slot being adapted to allow the second joint member to rotate relative to the first joint member.
12. Child dining chair, characterised in that it comprises a leg-supporting revolute joint according to any one of claims 1 to 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220908978.8U CN217130075U (en) | 2022-04-19 | 2022-04-19 | Child dining chair supporting leg rotating joint and child dining chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220908978.8U CN217130075U (en) | 2022-04-19 | 2022-04-19 | Child dining chair supporting leg rotating joint and child dining chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217130075U true CN217130075U (en) | 2022-08-05 |
Family
ID=82648300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220908978.8U Active CN217130075U (en) | 2022-04-19 | 2022-04-19 | Child dining chair supporting leg rotating joint and child dining chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217130075U (en) |
-
2022
- 2022-04-19 CN CN202220908978.8U patent/CN217130075U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104223845B (en) | Child Seat Convertible to Multiple Configurations of Use | |
| US6588717B2 (en) | Planar assembly support | |
| JP5468791B2 (en) | Tray latch mechanism for infant chair | |
| US4118069A (en) | Frame arm joint structure for seat or chair structure | |
| US6938951B1 (en) | Foldable chair with safety locks | |
| US7695060B2 (en) | Swing tray for a child booster seat | |
| US4821986A (en) | Multiple leg furniture base | |
| CN101986961A (en) | Baby swing | |
| CN217130075U (en) | Child dining chair supporting leg rotating joint and child dining chair | |
| US5820208A (en) | Foldable bench and table system | |
| US6786553B1 (en) | Chair with pivotable back | |
| US3160121A (en) | Tray-table | |
| EP2073670A1 (en) | A multifunctional high chair | |
| GB2578503A (en) | Foldable armrest Structure | |
| WO2012165463A1 (en) | Structure for attaching optional member to chair pedestal | |
| CN213962655U (en) | Adjustable folding baby and children rocking chair | |
| CN214548476U (en) | Children's ride and support frame thereof | |
| US5483708A (en) | Sofa bed with variable-position back | |
| CN213075174U (en) | Supporting component of child dining chair and child dining chair | |
| CN220695112U (en) | Multi-gear inclination-adjustable infant bath rack | |
| CN220571880U (en) | Folding structure of dining chair | |
| CN220442555U (en) | Folding handle and cooking utensil | |
| CN214595133U (en) | Folding turnover mechanism suitable for seat and folding chair | |
| CN220001595U (en) | Folding type children bath bed | |
| CN210748344U (en) | Child seat capable of being folded quickly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |