CN217565396U

CN217565396U - Adjustable locking structure and deck chair

Info

Publication number: CN217565396U
Application number: CN202220625753.1U
Authority: CN
Inventors: 廖永荣
Original assignee: Jiangsu Yuju Education Equipment Co ltd
Current assignee: Jiangsu Yuju Education Equipment Co ltd
Priority date: 2022-03-22
Filing date: 2022-03-22
Publication date: 2022-10-14
Anticipated expiration: 2032-03-22

Abstract

The utility model relates to an adjustable locking structure and a deck chair, wherein the adjustable locking structure comprises a fixed seat, a containing cavity and a chute are arranged in the fixed seat, a movable first clamping platform is arranged in the containing cavity, and a first clamping structure is arranged on the first clamping platform; the sliding block is matched with the sliding groove and is arranged in the sliding groove in a sliding mode, and a second clamping structure matched with the first clamping structure is arranged on the sliding block; and the elastic element is connected with the sliding block and is always in a compression state to provide elastic support for the sliding block. Through setting up spout slider structure, combine elastic element, realize carrying out the joint locking with the joint platform, only need rotate rotary switch and can drive the slider and remove, carry out the position control of joint platform for whole process is adjusted more simple and conveniently.

Description

Adjustable locking structure and deck chair

Technical Field

The utility model relates to a seat field of adjusting indicates an adjustable locking structure and deck chair especially.

Background

The chair is an indispensable facility in the family life or the office nowadays, and the back of the existing chair can be adjusted mostly to meet the needs of people for lying down or sitting at various angles. However, in the existing seat adjusting technology, the plurality of clamping grooves are formed in the seat armrests, the clamping rollers are arranged on the seat support, the seat backrest is adjusted by matching the clamping grooves with the clamping rollers and combining the hinged structure of the seat support, although the structure is simple, a person needs to be separated from a seat or can be adjusted by a large force during adjustment, and the seat adjusting technology is very inconvenient for children. There is therefore a need for improvements in the manner of adjustment of the seat back described above.

SUMMERY OF THE UTILITY MODEL

To the technical problem, an object of the utility model is to provide an adjustable locking structure and deck chair only need remove knob switch, satisfies child and can easily realize that the backrest adjusts, solves among the prior art the difficult problem of backrest adjustment.

In order to achieve the above object, an object of the present invention is to provide an adjustable locking structure and a reclining chair, the adjustable locking structure includes:

the clamping device comprises a fixed seat, a clamping mechanism and a clamping mechanism, wherein a containing cavity and a sliding chute are arranged in the fixed seat, a movable first clamping platform is arranged in the containing cavity, and a first clamping structure is arranged on the first clamping platform;

the sliding block is matched with the sliding chute and is arranged in the sliding chute in a sliding manner, and a second clamping structure matched with the first clamping structure is arranged on the sliding block;

and the elastic element is connected with the sliding block and is always in a compression state, so that elastic support is provided for the sliding block.

In some embodiments, the first clamping structure is a clamping groove, the second clamping structure is a clamping boss, or the first clamping structure is a clamping boss and the second clamping structure is a clamping groove.

In some embodiments, a first transition surface is arranged on the first clamping structure, a second transition surface is arranged on the second clamping structure, and the first transition surface and the second transition surface are corresponding in position and are matched in shape.

In some embodiments, the adjustable locking structure further comprises a knob switch connected to the sliding block to drive the sliding block to move in the sliding groove, so that the adjustable locking structure is in a locked state or an unlocked state.

In some embodiments, the rotary switch is an eccentric wheel structure, and is disposed outside the fixing seat housing, and a first abutting surface is disposed outside the fixing seat housing, and the rotary switch always abuts against the first abutting surface.

In some embodiments, the knob switch is disposed outside the housing of the fixing base, a pin is disposed between the knob switch and the slider, one end of the pin is connected to a rotation center of the knob switch, the other end of the pin is connected to the slider, a slot is formed in the housing of the fixing base, and the pin passes through the slot.

In some embodiments, the width of the notch on the fixing seat is matched with the diameter of the pin, and the length of the notch is greater than or equal to the sliding distance of the sliding block completely separated from the first clamping structure of the fixing seat.

In some embodiments, a gland is positioned on one side of the chute, the gland is detachable relative to the fixed seat, and the elastic element is arranged between the gland and the sliding block.

In some embodiments, be equipped with first eccentric plane on the knob switch, first eccentric plane includes one section arc surface and one section plane, the plane with the arc surface is tangent plane with when first butt face butt, the slider breaks away from completely the first joint structure of fixing base.

In some embodiments, the present invention also provides a reclining chair, comprising:

the adjustable locking structure described in the above embodiments;

a reclining chair body; the adjustable locking structure is mounted on the recliner body.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in this application, remove the joint through the slider, combine the elasticity that elastic element provided, the slider is when carrying out the joint, is difficult for droing in the joint recess, and knob switch on the reunion slider only needs to remove the joint that alright realize the slider under the condition of moving knob switch and withdraws from, and required operating force is little, and adjusts the convenience, and the people need not to break away from the seat.

2. Through setting knob switch to the cam structure, its outside is equipped with the handle, adjusts knob switch for the rotation mode, through the eccentric mechanism of cam, satisfies the slider and breaks away from the displacement of joint recess completely, makes whole process regulation more laborsaving convenient.

3. Through setting up the gland for whole structure is when the equipment or dismantle the maintenance, and is more convenient, promotes the installation or dismantles efficiency, realizes slider or elastic element's removable.

Drawings

The above features, technical features, advantages and modes of realisation of the present invention will be further described in the following detailed description of preferred embodiments thereof, which is to be read in conjunction with the accompanying drawings.

Fig. 1 is a schematic cross-sectional view of an internal connection structure of an adjustable locking structure according to the present invention;

fig. 2 is a schematic perspective view of the adjustable locking structure of the present invention;

fig. 3 is a schematic perspective view of the adjustable locking structure of the present invention when unlocking;

fig. 4 is a sectional view of the inner structure of the adjustable locking structure of the present invention when it is unlocked;

fig. 5 is an exploded view of an adjustable locking structure according to the present invention.

The reference numbers illustrate: the clamping device comprises a fixed seat 100, a sliding groove 101, a pressing cover 102, a first clamping platform 103, a clamping groove 1031, a first transition surface 10311, a notch 104, an accommodating cavity 105, a sliding block 200, a pin 201, a knob switch 202, an arc surface 2021, a plane 2022, a clamping boss 203, a second transition surface 2031 and an elastic element 300.

Detailed Description

In order to more clearly illustrate embodiments of the present invention or technical solutions in the prior art, specific embodiments of the present invention will be described below with reference to the accompanying drawings. It is obvious that the drawings in the following description are only examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be derived from them without inventive effort.

For the sake of simplicity, only the parts related to the utility model are schematically shown in the drawings, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".

It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.

In this context, it is to be understood that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, in the description of the present application, the terms "first," "second," and the like are used only for distinguishing the description, and are not intended to indicate or imply relative importance.

In one embodiment, as shown in fig. 1 to 5, an adjustable locking structure provided by the present invention includes a fixing base 100, a sliding block 200 and a resilient element 300. As shown in fig. 1, a sliding groove 101 and an accommodating cavity 105 are arranged in the fixing base 100, a first clamping platform 103 is arranged in the accommodating cavity 105 at one end of the sliding groove 101, and a first clamping structure is arranged on the first clamping platform 103. The slider 200 is arranged in the sliding groove 101, the appearance of the slider 200 is matched with the sliding groove 101, and a second clamping structure matched with the first clamping structure is arranged on the slider 200. The elastic element 300 is disposed in the sliding groove 101, one end of the elastic element is connected to the sliding block 200, the other end of the elastic element is connected to the inner wall of the fixing base 100, and the elastic element 300 is always in a compression state to provide elastic support for the sliding block 200, so that the first clamping structure and the second clamping structure are tightly clamped and combined.

In this embodiment, through setting up spout 101 and slider 200 structure in fixing base 100, set up second joint structure in slider 200 one end, set up first joint platform 103 and set up second joint structure on first joint platform 103 in holding chamber 105 of fixing base 100, through removing slider 200 for first joint structure and second joint structure joint or break away from, make whole structure be unblock state or locking state, thereby can carry out position control to first joint platform 103. Specifically, the first clamping platform 103 is rotatably or slidably disposed in the accommodating cavity 105 of the fixing base 100, and the conventional adjustment in the vertical direction is converted into the adjustment in the horizontal direction, so that the operation is more labor-saving and convenient. Optionally, a plurality of first clamping structures are arranged on the first clamping table 103, and may be annular or vertical structures, so as to meet the actual adjustment requirement.

Alternatively, the elastic element 300 may be a spring, an air spring or a rubber spring, and the spring may also be in a stretched state, that is, in the locked state, the spring is in a stretched state, and the slider 200 is further fixed by the stretching elastic force of the spring.

In one embodiment, the first clamping structure is a clamping groove 1031, and the second clamping structure is a clamping boss 203 adapted to the first clamping structure. Specifically, in this embodiment, the clamping boss 203 is a protruding structure having a rectangular structure with a certain height, and the upper end surface of the clamping boss 203 is a horizontal structure and parallel to the direction of the chute 101, so that the supporting strength of the whole structure is ensured. Optionally, the first clamping structure may be a clamping boss 203, and the second clamping structure may be a clamping groove 1031. Alternatively, the shape structure of the catching boss 203 is not limited thereto, and may be a polygonal structure protrusion or a cylinder, or a structure of a plurality of arrays. When can understand, the shape quantity of first joint structure and second joint structure does not all receive the utility model discloses a restriction.

Further, for better making first joint structure and second joint structure carry out smooth and easy joint cooperation, be equipped with first transition face 10311 on first joint structure, be equipped with second transition face 2031 on the second joint structure, first transition face 10311 is the same with second transition face 2031 structure for the cooperation is more compact between slider 200 and the first joint platform 103. Specifically, in this embodiment, the first transition surface 10311 and the second transition surface 2031 are inclined surface structures with a certain inclination angle. Alternatively, the first and

second transition surfaces

10311 and 2031 may be arc-shaped structures.

In one embodiment, the adjustable locking structure further includes a knob switch 202 connected to the sliding block 200, and the sliding block 200 is driven to move in the sliding slot 101 by the knob switch 202, so as to unlock the adjustable locking structure, and thus the adjustment process is simpler. Further, the rotary switch 202 is an eccentric wheel structure and disposed outside the housing of the fixing base 100, a first abutting surface is disposed outside the housing of the fixing base 100, and under the action of the elastic element 300, a side surface of the rotary switch 202 always abuts against the first abutting surface of the fixing base 100. Specifically, the rotary switch 200 includes a handle portion and an abutting end, a fixing hole is formed in a rotation center of the eccentric wheel on the abutting end, and the rotary switch 202 and the slider 200 are connected by a pin 201. In this embodiment, the pin 201 may be fixedly connected with the slider 200 and the knob switch 202, or may be movably connected. The slot 104 is formed on the fixing base 100 corresponding to the position of the pin 201 to facilitate the movement of the pin 201, and further, the shape of the slot 104 is adapted to the diameter structure of the pin 201 to provide a support for the pin 201 and the external knob switch 202. Further, the length of the slot 104 should be at least greater than or equal to the distance the slider 200 moves from the fully engaged position to the fully disengaged position.

In this embodiment, the side surface of the knob switch 202 is always abutted to the first abutting surface of the fixing base 100, the knob switch 202 is designed to be an eccentric structure, and the pin 201 is driven to move by rotating the knob switch 202 under the action of the eccentric wheel structure, so that the slider 200 slides. The transverse moving mode is converted into the rotating mode through the eccentric wheel structure, and the required adjusting force is reduced. Optionally, the knob switch 202 may be further configured to move laterally, and the pin 201 may be clamped in the clamping groove by providing an L-shaped clamping groove on the housing of the fixing base 100.

In one embodiment, to facilitate maintenance and replacement of the sliding block 200 and the elastic element 300, the structure further includes a pressing cover 102 mounted on one end of the sliding groove 101, near one side of the housing of the fixing base 100. In this embodiment, the elastic member 300 is a spring, and a mounting groove is provided in the pressing cover 102 to mount the spring in the mounting groove. The gland 102 may be secured by a snap fit or by a screw fit. It is understood that the fixing manner is not limited by the present invention.

In one embodiment, the rotary switch 200 is provided with a first eccentric surface, which abuts against the first abutting surface of the fixing base, and the first eccentric surface includes a section of arc surface 2021 and a section of plane 2022, and the arc surface 2021 is tangent to the plane 2022. The arc surface 2021 is always tangent to the first abutting surface of the fixing base 100. Specifically, when the arc surface 2021 is closest to the rotation center, the clamping boss 203 and the clamping recess 1031 are completely engaged, the structure is in a locking state, when the plane 2022 abuts against the first abutting surface of the fixing base 100, the clamping boss 203 is completely disengaged from the clamping recess 1031, the structure is in an unlocking state, and the adjustment of the first clamping table 103 can be performed. In this embodiment, by providing the arc surface 2021, the rotary switch 202 is always tangent to the first abutting surface on the fixing base 100 during the rotation process, and at this time, the rotation resistance is small, the required force is minimum, the purpose of saving labor is achieved, and the requirement that a child can easily adjust is met. Through setting up plane 2022 for under the unblock state, knob switch 202 is in stable condition all the time, need not to provide extra holding power and fixes it, makes the accommodation process more stable, convenient.

In one embodiment, the present invention further provides a reclining chair, which includes the adjustable locking structure and the reclining chair body in the above embodiments, wherein the adjustable locking structure is disposed on the reclining chair body. Specifically, the lounge support structure is fixedly connected to the first docking station 103, or the lounge support structure and the first docking station 103 are designed as one piece. The angle adjustment of the backrest of the deck chair is realized by matching with a hinged structure on the deck chair body.

It should be noted that the above embodiments can be freely combined as necessary. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. An adjustable locking structure, comprising:

2. An adjustable locking arrangement as claimed in claim 1,

the first clamping structure is a clamping groove, the second clamping structure is a clamping boss, or the first clamping structure is a clamping boss, and the second clamping structure is a clamping groove.

3. An adjustable locking arrangement as claimed in claim 2,

the first clamping structure is provided with a first transition surface, the second clamping structure is provided with a second transition surface, and the first transition surface and the second transition surface are corresponding in position and are matched in appearance.

4. An adjustable locking arrangement according to any one of claims 1-3,

the adjustable locking structure is characterized by further comprising a knob switch, wherein the knob switch is connected with the sliding block and drives the sliding block to move in the sliding groove, so that the adjustable locking structure is in a locking state or an unlocking state.

5. An adjustable locking arrangement as claimed in claim 4,

the knob switch is of an eccentric wheel structure and is arranged on the outer side of the fixed seat shell, a first abutting surface is arranged on the outer side of the fixed seat shell, and the knob switch is always abutted to the first abutting surface.

6. An adjustable locking arrangement as claimed in claim 5,

the knob switch is arranged on the outer side of the shell of the fixed seat, a pin is arranged between the knob switch and the sliding block, one end of the pin is connected to the rotating center of the knob switch, the other end of the pin is connected to the sliding block, a notch is formed in the shell of the fixed seat, and the pin penetrates through the notch.

7. An adjustable locking arrangement as claimed in claim 6,

the width of the notch on the fixing seat is matched with the diameter of the pin, and the length of the notch is larger than or equal to the distance for the sliding block to completely separate from the first clamping structure of the fixing seat.

8. An adjustable locking arrangement according to any one of claims 5 to 7,

still including being located the gland of spout one side, the gland for the fixing base can be dismantled, elastic element set up in the gland with between the slider.

9. An adjustable locking arrangement as claimed in claim 8,

the knob switch is provided with a first eccentric surface, the first eccentric surface comprises one section of circular arc surface and one section of plane, the plane is tangent to the circular arc surface, the plane is tangent to the first butt surface, and the sliding block is completely separated from the first clamping structure of the fixing seat.

10. A reclining chair, comprising:

the adjustable locking structure of any one of claims 1-9;