CN219487540U - Chair structure - Google Patents
Chair structure Download PDFInfo
- Publication number
- CN219487540U CN219487540U CN202321052467.1U CN202321052467U CN219487540U CN 219487540 U CN219487540 U CN 219487540U CN 202321052467 U CN202321052467 U CN 202321052467U CN 219487540 U CN219487540 U CN 219487540U
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- China
- Prior art keywords
- seat
- locking
- hole
- connecting seat
- rear side
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/40—Weight reduction
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- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The utility model discloses a seat structure, and belongs to the technical field of infant products. The front side of the top of the fixed seat of the structure is hinged with the front side of the bottom of the connecting seat through a hinge shaft; the rear side of the top of the fixed seat is provided with a pin column parallel to the hinge shaft; a locking mechanism is arranged at the rear side of the bottom of the connecting seat; the locking mechanism comprises a push block; the rear side of the bottom of the connecting seat is provided with a locking slotted hole, and the opening of the locking slotted hole faces the rear side of the connecting seat; the bottom of the locking slot is provided with a notch penetrating through the front and rear of the locking slot; the push block is positioned in the locking slot hole, a spring is arranged between the push block and the bottom of the locking slot hole, and the spring has a pushing force for forcing the push block to move outwards; the pushing block is provided with a straight long round hole and a straight taper hole which are communicated with each other; the cone end of the straight cone hole is connected with the outer end of the straight long round hole; the connecting seat and the fixing seat are in a locking state, the pin shaft is positioned in the notch, and the circumferential wall of the pin shaft abuts against the inner end of the straight long round hole. The utility model is convenient to unfold and fold, and can meet various requirements of infants on visual fields.
Description
Technical Field
The utility model relates to the technical field of infant products, in particular to a seat connecting structure.
Background
The baby carriage is a riding instead of walking tool for babies, and the space in the carriage body can carry out sitting and lying movements, so that the baby carriage is greatly convenient for parents to carry the travelling activities of the babies, and a comfortable riding and growing space is provided for the babies; infant in the course of growth requires a stroller with different functions. When the infant ages, the parents are in the visual field of the infant, so that the infant has a safer sense; but when the infant is older, the curiosity of the infant is more vigorous, and the infant is more loved to face a new scene. The existing baby carriage can only meet the forward function of the baby and is not suitable for the older baby. The seats and frames of conventional folding strollers are often folded separately and stored; time and labor are wasted in the installation process.
Disclosure of Invention
Accordingly, the present utility model is directed to a seat connection structure that is convenient to unfold and fold and can meet various requirements of infants for visual field.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
a seat structure comprising a seat; the device also comprises a fixed seat and a connecting seat; the device also comprises a button; the front side of the top of the fixed seat is hinged with the front side of the bottom of the connecting seat through a hinge shaft; the rear side of the top of the fixed seat is provided with a pin column parallel to the hinge shaft; the locking mechanism is arranged at the rear side of the bottom of the connecting seat;
the locking mechanism comprises a push block; the rear side of the bottom of the connecting seat is provided with a locking slotted hole, and the opening of the locking slotted hole faces the rear side of the connecting seat; the bottom of the locking slot is provided with a notch penetrating through the front and rear of the locking slot; the push block is positioned in the locking groove hole, a spring is arranged between the push block and the bottom of the locking groove hole, and the spring has a pushing force for forcing the push block to move outwards;
the pushing block is provided with a straight long round hole and a straight taper hole which are communicated with each other; the conical end of the straight conical hole is connected with the outer end of the straight long round hole;
the connecting seat and the fixing seat are in a locking state, the pin is positioned in the notch, and the circumferential wall of the pin abuts against the inner end of the straight long round hole.
Furthermore, a square bulge is arranged at the bottom of the connecting seat, and the locking slotted hole is positioned in the square bulge; the rear side of the top of the fixed seat is provided with a matching groove for adapting to the shape of the protrusion; the pin is supported in the matching groove.
Further, the top of the connecting seat is of a tray structure; the upper surface of the tray structure is provided with a deep groove for installing the drawing block; the bottom of the deep groove is provided with a rectangular hole; the pull block comprises an upper pressing part and a hand pulling part; the upper pressing part is positioned in the deep groove, and a pressure spring is arranged between the upper pressing part and the bottom of the deep groove; the hand pulling part is connected with the bottom of the upper pressing part and penetrates through the rectangular hole to be exposed out of the lower surface of the tray structure;
the center of the seat plate of the seat is connected with the center of the tray structure through a center column bearing; the lower surface of the seat board is provided with a constraint ring, and the inside of the constraint ring is provided with uniformly distributed buckling grooves; the outer edge of the tray structure is provided with an annular bulge, and the annular bulge is positioned in the constraint ring; when the pull block is in an unlocking state, the annular bulge can rotate along the center of the constraint ring by rotating the seat plate of the seat; when the pull block is in a locking state, the upper pressing part of the pull block is clamped in the buckling groove.
Further, two buckling grooves are formed.
Further, the seat comprises a seat plate, a backrest, armrests and a front stop lever; the two sides of the rear end of the seat board are hinged with the two sides of the bottom of the backrest through a hinge mechanism; the two armrests are arranged, and the rear ends of the armrests are respectively hinged to the two sides of the backrest; the bottom end of the front stop lever is hinged with the middle position of the front end of the seat plate; the top end of the front stop lever is connected with the front ends of the two armrests through a tee joint structure.
Further, the dinner plate is also included; the dinner plate is detachably connected to the front end of the armrest; the bottom of the dinner plate is provided with a plurality of semi-surrounding rings; the semi-surrounding ring is made of plastic and is sleeved on the handrail.
Further, the tail end of the pushing block is provided with a pushing plate extending out of the locking slotted hole.
The beneficial effects generated by adopting the technical scheme are as follows:
the fixing seat is used for being fixedly connected with the frame; the seat and the frame are folded together; the adjustment of a plurality of directions of the baby carriage seat is realized by arranging the tray structure and the pull blocks, so that different requirements of infants on view scenes in different age groups are met; the fixing seat and the connecting seat are quickly locked through the left pressing block and the right pressing block in the surrounding frame, so that the quick installation and the use of the baby carriage are facilitated.
Drawings
Fig. 1 is a schematic structural view of an embodiment of the present utility model.
Fig. 2 is a schematic view of the bottom structure of the seat plate of fig. 1.
Fig. 3 is a schematic view of the tray structure of fig. 1.
Fig. 4 is a schematic structural view of the connection base in fig. 1.
Fig. 5 is a schematic side view of the connecting base in fig. 1.
Fig. 6 is a schematic view of the pull block of fig. 1.
Fig. 7 is a schematic structural view of the push block in fig. 1.
Wherein, 1, backrest, 2, handrail, 3, dinner plate, 4, front stop lever, 5, seat board, 6, connecting seat, 7, fixing seat, 8, 6-2, push pedal, 9, 6-6, pull block, 5-1, catching groove, 5-2, constraint ring, 6-1, annular bulge, 6-3, push block, 6-4, square bulge, 6-3-1, straight oblong hole, 6-3-2, straight cone hole, 6-6-1, upper pressing part, 6-6-2, hand pulling part.
Detailed Description
The utility model will be further described with reference to the drawings and detailed description.
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings of the embodiments will be briefly described below, and it will be apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Referring to fig. 1 to 7, a seat structure of the present embodiment includes a seat; the device also comprises a fixed seat and a connecting seat; the device also comprises a button; the front side of the top of the fixed seat is hinged with the front side of the bottom of the connecting seat through a hinge shaft; the rear side of the top of the fixed seat is provided with a pin column parallel to the hinge shaft; the locking mechanism is arranged at the rear side of the bottom of the connecting seat;
the locking mechanism comprises a push block; the rear side of the bottom of the connecting seat is provided with a locking slotted hole, and the opening of the locking slotted hole faces the rear side of the connecting seat; the bottom of the locking slot is provided with a notch penetrating through the front and rear of the locking slot; the push block is positioned in the locking groove hole, a spring is arranged between the push block and the bottom of the locking groove hole, and the spring has a pushing force for forcing the push block to move outwards;
the pushing block is provided with a straight long round hole and a straight taper hole which are communicated with each other; the conical end of the straight conical hole is connected with the outer end of the straight long round hole;
the connecting seat and the fixing seat are in a locking state, the pin is positioned in the notch, and the circumferential wall of the pin abuts against the inner end of the straight long round hole. The tail end of the pushing block is provided with a pushing plate extending out of the locking slotted hole.
The bottom of the connecting seat is provided with a square bulge, and the locking slotted hole is positioned in the square bulge; the rear side of the top of the fixed seat is provided with a matching groove for adapting to the shape of the protrusion; the pin is supported in the matching groove.
The top of the connecting seat is of a tray structure; the upper surface of the tray structure is provided with a deep groove for installing the drawing block; the bottom of the deep groove is provided with a rectangular hole; the pull block comprises an upper pressing part and a hand pulling part; the upper pressing part is positioned in the deep groove, and a pressure spring is arranged between the upper pressing part and the bottom of the deep groove; the hand pulling part is connected with the bottom of the upper pressing part and penetrates through the rectangular hole to be exposed out of the lower surface of the tray structure;
the center of the seat plate of the seat is connected with the center of the tray structure through a center column bearing; the lower surface of the seat board is provided with a constraint ring, and the inside of the constraint ring is provided with uniformly distributed buckling grooves; the outer edge of the tray structure is provided with an annular bulge, and the annular bulge is positioned in the constraint ring; when the pull block is in an unlocking state, the annular bulge can rotate along the center of the constraint ring by rotating the seat plate of the seat; when the pull block is in a locking state, the upper pressing part of the pull block is clamped in the buckling groove.
In this embodiment, two buckling grooves are provided for realizing the effect that the baby faces to the front and the back.
The seat comprises a seat board, a backrest, armrests and a front stop lever; the two sides of the rear end of the seat board are hinged with the two sides of the bottom of the backrest through a hinge mechanism; the two armrests are arranged, and the rear ends of the armrests are respectively hinged to the two sides of the backrest; the bottom end of the front stop lever is hinged with the middle position of the front end of the seat plate; the top end of the front stop lever is connected with the front ends of the two armrests through a tee joint structure.
The dinner plate is detachably connected to the front end of the armrest; the bottom of the dinner plate is provided with a plurality of semi-surrounding rings; the semi-surrounding ring is made of plastic and is sleeved on the handrail.
Referring to fig. 4, 5 and 7, in the present embodiment, a square protrusion is located at the rear of the bottom side of the connection base, and can be inserted into a mating groove at the top of the fixing base as a protrusion; the bottom of the locking slot is provided with a notch penetrating through the front and rear of the locking slot; the push block is positioned in the locking groove hole, a spring is arranged between the push block and the bottom of the locking groove hole, and the spring has a pushing force for forcing the push block to move outwards; the pushing block is provided with a straight long round hole and a straight taper hole which are communicated with each other; the conical end of the straight conical hole is connected with the outer end of the straight long round hole; the connecting seat and the fixing seat are in a locking state, the pin is positioned in the notch, and the circumferential wall of the pin abuts against the inner end of the straight long round hole. The tail end of the pushing block is provided with a pushing plate extending out of the locking slotted hole.
The following is a description of the folding process and the unfolding process:
in the unfolded state of the embodiment, the connecting seat and the fixing seat are in a locking state, at the moment, the pin column which is arranged in the matching groove is positioned in the notch, the peripheral wall surface of the pin column is propped against the inner end of the straight long round hole, and at the moment, the spring exerts thrust on the pushing block.
When the unlocking is needed, the push plate on the push block is pushed, so that the push block moves to the bottom of the push block along the locking slotted hole, the spring is compressed, and the pin column moves from the inner end to the outer end of the straight oblong hole. At this time, manpower is applied, the connecting seat is lifted upwards, the connecting seat rotates around the hinge shaft hinged with the fixing seat, and the pin column is separated from the straight conical hole, so that unlocking is realized.
When the lock is realized, the connecting seat is pressed, the smooth Zhou Bimian of the pin moves towards the outer end of the straight long round hole along the conical wall of the straight conical hole, and after the pin enters into the straight long round hole, the push block moves outwards due to the thrust action of the spring, and the peripheral wall surface of the pin contacts with the inner end of the straight long round hole, so that the lock is realized.
The rotation of bedplate and connecting seat, when the bedplate needs to rotate, the pulling piece is pulled downwards, and the second pressure spring contracts, goes up the pressure portion and breaks away from the catching groove, and rotation position unblock, manual rotatory bedplate, and the hand can leave the pulling piece this moment, and when rotatory to next catching groove, go up the pressure portion and rebound automatically and realize the locking with next catching groove.
The folding of the backrest, seat pan and armrests can be achieved by the prior art and will not be described in detail here.
Claims (7)
1. A seat structure comprising a seat; the device is characterized by also comprising a fixed seat and a connecting seat; the front side of the top of the fixed seat is hinged with the front side of the bottom of the connecting seat through a hinge shaft; the rear side of the top of the fixed seat is provided with a pin column parallel to the hinge shaft; the locking mechanism is arranged at the rear side of the bottom of the connecting seat;
the locking mechanism comprises a push block; the rear side of the bottom of the connecting seat is provided with a locking slotted hole, and the opening of the locking slotted hole faces the rear side of the connecting seat; the bottom of the locking slot is provided with a notch penetrating through the front and rear of the locking slot; the push block is positioned in the locking groove hole, a spring is arranged between the push block and the bottom of the locking groove hole, and the spring has a pushing force for forcing the push block to move outwards;
the pushing block is provided with a straight long round hole and a straight taper hole which are communicated with each other; the conical end of the straight conical hole is connected with the outer end of the straight long round hole;
the connecting seat and the fixing seat are in a locking state, the pin is positioned in the notch, and the circumferential wall of the pin abuts against the inner end of the straight long round hole.
2. The seat structure according to claim 1, wherein the bottom of the connecting seat is provided with square protrusions, and the locking slots are located in the square protrusions; the rear side of the top of the fixed seat is provided with a matching groove for adapting to the shape of the protrusion; the pin is supported in the matching groove.
3. The seat structure of claim 1, wherein the top of the connecting base is a tray structure; the upper surface of the tray structure is provided with a deep groove for installing the drawing block; the bottom of the deep groove is provided with a rectangular hole; the pull block comprises an upper pressing part and a hand pulling part; the upper pressing part is positioned in the deep groove, and a pressure spring is arranged between the upper pressing part and the bottom of the deep groove; the hand pulling part is connected with the bottom of the upper pressing part and penetrates through the rectangular hole to be exposed out of the lower surface of the tray structure;
the center of the seat plate of the seat is connected with the center of the tray structure through a center column bearing; the lower surface of the seat board is provided with a constraint ring, and the inside of the constraint ring is provided with uniformly distributed buckling grooves; the outer edge of the tray structure is provided with an annular bulge, and the annular bulge is positioned in the constraint ring; when the pull block is in an unlocking state, the annular bulge can rotate along the center of the constraint ring by rotating the seat plate of the seat; when the pull block is in a locking state, the upper pressing part of the pull block is clamped in the buckling groove.
4. A seating structure as claimed in claim 3 wherein said latch is provided in two.
5. A seat structure according to claim 3, wherein the seat comprises a seat pan, a backrest, armrests and a front bar; the two sides of the rear end of the seat board are hinged with the two sides of the bottom of the backrest through a hinge mechanism; the two armrests are arranged, and the rear ends of the armrests are respectively hinged to the two sides of the backrest; the bottom end of the front stop lever is hinged with the middle position of the front end of the seat plate; the top end of the front stop lever is connected with the front ends of the two armrests through a tee joint structure.
6. The seating structure of claim 1 further comprising a dinner plate; the dinner plate is detachably connected to the front end of the armrest; the bottom of the dinner plate is provided with a plurality of semi-surrounding rings; the semi-surrounding ring is made of plastic and is sleeved on the handrail.
7. A seat structure as claimed in claim 1, wherein the push block is provided with a push plate extending out of the locking slot at its end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321052467.1U CN219487540U (en) | 2023-05-05 | 2023-05-05 | Chair structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321052467.1U CN219487540U (en) | 2023-05-05 | 2023-05-05 | Chair structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219487540U true CN219487540U (en) | 2023-08-08 |
Family
ID=87478723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321052467.1U Active CN219487540U (en) | 2023-05-05 | 2023-05-05 | Chair structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219487540U (en) |
-
2023
- 2023-05-05 CN CN202321052467.1U patent/CN219487540U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |