CN219192310U - Seat and baby carriage - Google Patents

Abstract

The application proposes a seat, the seat includes: the base is provided with first gear grooves on two sides; the backrest is provided with second gear grooves on two sides, and the opening of the first gear groove is opposite to the opening of the first gear groove; the limiting gear is clamped in the first gear groove and the second gear groove when in the first position, so that the backrest is limited to rotate relative to the base; the pushing piece, limiting gear is in when the first position, the pushing piece is located in the second gear groove, the pushing piece is used for promoting limiting gear to the second position, and in the second position, limiting gear only block in the first gear groove, the back can rotate relative the base. The scheme of this application is simpler to the structure of locking and unblock of back, and the part is less with lower costs and practical.

Description

Seat and baby carriage

Technical Field

The application relates to the technical field of strollers, in particular to a seat and a stroller.

Background

The baby carriage is a walking tool for babies, the space in the baby carriage can be used for the babies to perform activities such as sitting and lying, the user can conveniently carry the babies to perform traveling activities, comfortable riding and growing space is provided for the babies, in order to improve the riding comfort of the babies, the backrest of the seat on the baby carriage is usually provided with a function of adjusting the inclination angle of the backrest, and an operator can adjust the backrest to be an adaptation angle of lying, semi-lying or sitting of the babies according to the needs of the babies. Most of the backrest inclination adjusting structures of the strollers in the market at present are too complex, so that the problems of large number of parts, complicated product assembly, increased weight and occupied space of the strollers are caused, and the market competitiveness of the products is seriously affected due to high material cost, complex production process, high management and transportation costs of the parts and high production and assembly costs of the products.

For this reason, it is necessary to provide a seat and a stroller in which the locking and unlocking of the backrest rotation is achieved with a simple locking and unlocking structure.

Disclosure of Invention

In view of the above-mentioned shortcomings of the prior art, an object of the present utility model is to provide a seat and a stroller, which can lock and unlock the rotation of the backrest with a simple locking and unlocking structure.

According to an embodiment of the present utility model, there is provided a first aspect of: a seat, the seat comprising:

the base is provided with first gear grooves on two sides;

the backrest is provided with second gear grooves on two sides, and the opening of the first gear groove is opposite to the opening of the first gear groove;

the limiting gear is clamped in the first gear groove and the second gear groove when in the first position, so that the backrest is limited to rotate relative to the base;

the pushing piece, limiting gear is in when the first position, the pushing piece is located in the second gear groove, the pushing piece is used for promoting limiting gear to the second position, and in the second position, limiting gear only block in the first gear groove, the back can rotate relative the base.

Preferably, the seat further comprises:

the rotating piece is positioned at one side of the pushing piece, which is away from the limiting gear, and comprises a first spiral surface;

the pusher includes:

the second spiral surface is abutted with the first spiral surface, so that when the rotating piece rotates along the circumferential direction of the limiting gear, the pushing piece is pushed, and the pushing piece pushes the limiting gear.

Preferably, the seat further comprises:

the handle is arranged on the backrest;

one end of the steel wire rope is fixedly connected with the handle, and the other end of the steel wire rope is fixedly connected with the rotating piece;

the rotating member is further provided with:

the arc rope groove is positioned on the rotating piece and is away from one side of the pushing piece, the steel wire rope is partially embedded into the arc rope groove, and when the handle is pulled, the steel wire rope drives the rotating piece to rotate.

Preferably, the backrest is provided with:

the pull handle is positioned in the pull groove and allows the handle to move up and down in the pull groove;

and the channel is used for the steel wire rope to pass through.

Preferably, the backrest further comprises:

the prism is arranged in the second gear groove, and the length direction of the prism is the direction of the limiting gear moving from the first position to the second position;

the rotating member is provided with:

a first prism hole for the prism to pass through;

the pushing piece is provided with:

and the second prismatic hole is clamped with the prism, so that the pushing piece can only move along the length direction of the prism.

Preferably, the seat further comprises:

and the reset spring is arranged in the first gear groove, is positioned on one side of the limiting gear, which is away from the pushing piece, and is used for resetting the limiting gear from the second position to the first position.

Preferably, the base includes:

the first gear grooves are positioned on two sides of the fixed seat;

the movable seat is slidably arranged on the fixed seat and is hinged with the backrest.

Preferably, the seat further comprises an armrest comprising:

the lower end of the connecting rod is hinged to the movable seat;

the guardrail is far away from one end of the backrest and is inserted into the upper end of the connecting rod, one end of the guardrail, which is close to the backrest, is inserted into the backrest, and when the backrest rotates relative to the fixed seat, the movable seat is driven to slide relative to the fixed seat.

Preferably, the base is provided with a storage space, and the seat further comprises:

the foot pad is hinged to the bottom of the movable seat, the foot pad is rotated to switch the folding state and the extending state of the foot pad, the foot pad is located in the storage space when in the folding state, and extends out of the movable seat when in the extending state and is located at one end of the movable seat, which is away from the backrest.

According to an embodiment of the utility model, a stroller is provided, which comprises a seat as mentioned in any of the other examples.

The utility model has the following beneficial effects:

through setting up first gear groove at the base, set up the second gear groove at the back to set up the limiting gear who is used for the locking and be used for promoting limiting gear's impeller, make limiting gear when block in first gear groove and block in the second gear groove, the back is locked and can not rotate relative the base, when impeller promotes limiting gear and makes limiting gear only block in first gear groove, the back unblock can rotate relative the base, the structure to the locking and the unblock of back is simpler, the part is less with lower costs and practical.

Drawings

FIG. 1 is a perspective view of a seat according to an embodiment of the present utility model;

FIG. 2 is an exploded view of a seat according to an embodiment of the present utility model;

FIG. 3 is an enlarged view at b in FIG. 2;

FIG. 4 is a schematic view of a rotating member and a pushing member according to another embodiment of the present utility model;

fig. 5 is an enlarged view at c in fig. 2;

FIG. 6 is an exploded view of a seat according to an embodiment of the present utility model;

FIG. 7 is a schematic view illustrating a use state of a seat according to an embodiment of the utility model;

fig. 8 is a schematic view of a stroller according to an embodiment of the present utility model.

Reference numerals: 10. a base; 11. a first gear groove; 10a, a fixed seat; 10b, a movable seat; 12. foot pad; 13. a storage space; 20. a backrest; 21. a second gear groove; 22. a prism; 23. the second plug end; 30. a limit gear; 40. a pushing member; 41. a second helicoid; 42. a second ridge hole; 50. a rotating member; 51. a first helicoid; 52. arc rope grooves; 53. a first rib hole; 61. a handle; 62. drawing a groove; 71. a wire rope; 72. a channel; 80. a return spring; 91. a connecting rod; 911. a first plug end; 92. guard bars; 100. a seat; 200. a stroller;

Detailed Description

In order to better understand the technical solutions in the present application, the following description will clearly and completely describe the technical solutions in the embodiments of the present application in conjunction with the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

It is noted that when an element is referred to as being "fixed" or "disposed on" another element, it can be directly on the other element or be indirectly disposed on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "are used to refer to the terms" length "," width "," upper "," lower "," front "," rear "," left "," right "," vertical "," and "lower".

The orientation or positional relationship indicated by horizontal "," vertical "," top "," bottom "," inner "," outer ", etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description and to simplify the description, and are not indicative or implying that the apparatus or components referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" or "a number" is two or more, unless explicitly defined otherwise.

It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the scope of the present disclosure, since any structural modifications, proportional changes, or dimensional adjustments made by those skilled in the art should not be made in the present disclosure without affecting the efficacy or achievement of the present disclosure.

Referring to fig. 1 to 8, an embodiment of the present utility model provides a seat 100, the seat 100 including: base 10, back 20, limit gear 30, and pusher 40. Wherein, the two sides of the base 10 are provided with a first gear groove 11, the two sides of the backrest 20 are provided with a second gear groove 21, the opening of the first gear groove 11 is opposite to the opening of the first gear groove 11, the limiting gear 30 is arranged in the space surrounded by the first gear groove 11 and the second gear groove 21, and the limiting gear 30 is engaged with the first gear groove 11 and the second gear groove 21 when in the first position, and at this time, the backrest 20 is limited and cannot rotate relative to the base 10. When the limiting gear 30 is at the first position, the pushing member 40 is located in the second gear groove 21, the pushing member 40 is used for pushing the limiting gear 30 to the second position, and when the limiting gear 30 is at the second position, the limiting gear 30 is only clamped in the first gear groove 11, and at the moment, the backrest 20 loses the limitation of the limiting gear 30 and can rotate relative to the base 10.

In one embodiment, referring to fig. 3 and 4, the seat 100 further includes a rotating member 50, the rotating member 50 is located on a side of the pushing member 40 away from the limiting gear 30, and the rotating member 50 is used to drive the pushing member 40 so that the pushing member 40 pushes the limiting gear 30. Wherein the rotating member 50 comprises a first spiral surface 51

The pushing member 40 includes a second spiral surface 41, and the second spiral surface 41 abuts against the first spiral surface 51, so that the pushing member 40 can be pushed and the pushing member 40 can push the limiting gear 30 when the rotating member 50 rotates along the circumferential direction of the limiting gear 30.

Of course, in other embodiments, the pusher 40 may be driven by other elements, such as an air cylinder.

In a more specific embodiment, referring to fig. 2-4, the seat 100 further includes a pull handle 61 and a wire rope 71, and the rotator 50 is further provided with an arcuate slot 52. Specifically, the handle 61 is disposed on the backrest 20 and is used for pulling the wire rope 71, one end of the wire rope 71 is fixedly connected with the handle 61, the other end of the wire rope 71 is fixedly connected with the rotating member 50, the arc-shaped rope groove 52 is located on one side, away from the pushing member 40, of the rotating member 50, the wire rope 71 is partially embedded into the arc-shaped rope groove 52, and when the handle 61 is pulled, the wire rope 71 drives the rotating member 50 to rotate. The schematic view at a in fig. 2 is a schematic view of a handle 61 from a rear view of the backrest 20.

In a more specific embodiment, referring to fig. 2, in order to make the process of pulling the wire rope 71 more stable, the backrest 20 is provided with a pull groove 62 and a channel 72. Wherein the handle 61 is located in the pull groove 62, the channel 72 is provided for the wire rope 71 to pass through, and the user can lift the handle 61 in the pull groove 62 by hand to pull the wire rope 71.

In this embodiment, pulling the handle 61 pulls the wire rope 71, so that the rotating member 50 is pulled and rotated, and the pushing member 40 pushes the limiting gear 30 to the second position, and the backrest 20 loses the limitation of the limiting gear 30, so that the backrest can rotate relative to the base 10 to adjust the angle.

In a more specific embodiment, the backrest 20 further comprises a prism 22, the rotating member 50 is provided with a first prism aperture 53, and the pushing member 40 is provided with a second prism aperture 42. The prism 22 is disposed in the second gear groove 21, the length direction of the prism 22 is the direction in which the limit gear 30 moves from the first position to the second position, the first prism hole 53 is for the prism 22 to pass through, and the second prism hole 42 is engaged with the prism 22, so that the rotation of the pushing element 40 in the circumferential direction is limited, and the pushing element 40 can only move along the length direction of the prism 22, so as to improve the effect of pushing the pushing element 40 by the rotating element 50.

In one embodiment, to allow the angled back rest 20 to be locked again, the seat 100 also includes a return spring 80. The return spring 80 is disposed in the first gear groove 11, and the return spring 80 is disposed on a side of the limit gear 30 away from the pushing member 40, for returning the limit gear 30 from the second position to the first position, so that the limit gear 30 is engaged with the second gear groove 21 again, thereby limiting the rotation of the backrest 20 relative to the base 10.

In one embodiment, the base 10 includes a fixed base 10a and a movable base 10b. The first gear grooves 11 are located at two sides of the fixed seat 10a, the movable seat 10b is slidably disposed on the fixed seat 10a, and the movable seat 10b is hinged to the bottom of the backrest 20.

In one embodiment, the seat 100 further includes an armrest including a connecting rod 91 and a railing 92. The lower end of the connecting rod 91 is hinged to the movable seat 10b, the upper end of the connecting rod 91 includes a first insertion end 911, two sides of the backrest 20 are provided with second insertion ends 23, one end of the guardrail 92 away from the backrest 20 is inserted into the first insertion end 911 of the upper end of the connecting rod 91, one end of the guardrail 92 close to the backrest 20 is inserted into the second insertion end 23 on the backrest 20, when the backrest 20 rotates relative to the fixed seat 10a, the movable seat 10b is driven to slide relative to the fixed seat 10a, specifically, when the backrest 20 rotates relative to the fixed seat 10a and leans backward, the movable seat 10b slides forward relative to the fixed seat 10 a.

In one embodiment, the seat 100 further includes a foot pad 12, and the base 10 is provided with a receiving space 13 for receiving the foot pad 12. The foot pad 12 is used for the infant to make legs and feet when lying down, and the foot pad 12 is hinged to the bottom of the movable seat 10b, so that the foot pad 12 can move synchronously along with the position of the movable seat 10b, and the infant is convenient to use. The folding state and the extending state of the foot rest 12 can be switched by rotating the foot rest 12, the foot rest 12 is positioned in the storage space 13 when in the folding state, and the foot rest 12 extends out of the movable seat 10b when in the extending state and is positioned at one end of the movable seat 10b, which is far away from the backrest 20.

In one embodiment, a stroller 200 is provided, the stroller 200 including, but not limited to, the seat 100 of any of the above embodiments.

Therefore, by arranging the first gear groove 11 on the base 10, arranging the second gear groove 21 on the backrest 20, arranging the limiting gear 30 for locking and the pushing piece 40 for pushing the limiting gear 30, the backrest 20 is locked and cannot rotate relative to the base 10 when the limiting gear 30 is clamped in the first gear groove 11 and clamped in the second gear groove 21, and when the pushing piece 40 pushes the limiting gear 30 to enable the limiting gear 30 to be clamped in the first gear groove 11 only, the backrest 20 is unlocked and can rotate relative to the base 10, so that the structure for locking and unlocking the backrest is simpler, the cost of parts is low, and the backrest is practical.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A seat, the seat comprising:

the base is provided with first gear grooves on two sides;

the backrest is provided with second gear grooves on two sides, and the opening of the first gear groove is opposite to the opening of the first gear groove;

the limiting gear is clamped in the first gear groove and the second gear groove when in the first position, so that the backrest is limited to rotate relative to the base;

the pushing piece, limiting gear is in when the first position, the pushing piece is located in the second gear groove, the pushing piece is used for promoting limiting gear to the second position, and in the second position, limiting gear only block in the first gear groove, the back can rotate relative the base.

2. The seat according to claim 1, wherein the seat further comprises:

the rotating piece is positioned at one side of the pushing piece, which is away from the limiting gear, and comprises a first spiral surface;

the pusher includes:

the second spiral surface is abutted with the first spiral surface, so that when the rotating piece rotates along the circumferential direction of the limiting gear, the pushing piece is pushed, and the pushing piece pushes the limiting gear.

3. The seat according to claim 2, characterized in that the seat further comprises:

the handle is arranged on the backrest;

one end of the steel wire rope is fixedly connected with the handle, and the other end of the steel wire rope is fixedly connected with the rotating piece;

the rotating member is further provided with:

the arc rope groove is positioned on the rotating piece and is away from one side of the pushing piece, the steel wire rope is partially embedded into the arc rope groove, and when the handle is pulled, the steel wire rope drives the rotating piece to rotate.

4. A seat according to claim 3, wherein the backrest is provided with:

the pull handle is positioned in the pull groove and allows the handle to move up and down in the pull groove;

and the channel is used for the steel wire rope to pass through.

5. The seat of claim 2, wherein the backrest further comprises:

the prism is arranged in the second gear groove, and the length direction of the prism is the direction of the limiting gear moving from the first position to the second position;

the rotating member is provided with:

a first prism hole for the prism to pass through;

the pushing piece is provided with:

and the second prismatic hole is clamped with the prism, so that the pushing piece can only move along the length direction of the prism.

6. The seat according to claim 1, wherein the seat further comprises:

and the reset spring is arranged in the first gear groove, is positioned on one side of the limiting gear, which is away from the pushing piece, and is used for resetting the limiting gear from the second position to the first position.

7. The seat of claim 1, wherein the base comprises:

the first gear grooves are positioned on two sides of the fixed seat;

the movable seat is slidably arranged on the fixed seat and is hinged with the backrest.

8. The seat of claim 7, further comprising an armrest, the armrest comprising:

the lower end of the connecting rod is hinged to the movable seat;

the guardrail is far away from one end of the backrest and is inserted into the upper end of the connecting rod, one end of the guardrail, which is close to the backrest, is inserted into the backrest, and when the backrest rotates relative to the fixed seat, the movable seat is driven to slide relative to the fixed seat.

9. The seat according to claim 7, wherein the base is provided with a receiving space, the seat further comprising:

the foot pad is hinged to the bottom of the movable seat, the foot pad is rotated to switch the folding state and the extending state of the foot pad, the foot pad is located in the storage space when in the folding state, and extends out of the movable seat when in the extending state and is located at one end of the movable seat, which is away from the backrest.

10. A stroller comprising a seat according to any one of claims 1-9.

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