Seat

Abstract

The utility model discloses a chair which comprises a chair seat, a backrest and an adjusting mechanism, and two rotating insertion holes which are oppositely arranged are formed in one side of the chair seat; the bottom end of the backrest is rotationally connected with the chair seat, a long-strip-shaped through groove is formed in the backrest, a plurality of limiting grooves which are formed side by side are formed in the front face of the backrest, and the middle of each limiting groove communicates with the through groove; the adjusting mechanism comprises a sliding block, a T-shaped clamping head, an elastic piece, a connector and two inserting feet, the inserting feet are L-shaped, one end of each inserting foot is fixedly connected with the sliding block, the other end of each inserting foot is rotatably inserted into the corresponding rotating inserting hole, a through hole is formed in the sliding block, the T-shaped clamping head comprises a connecting rod and a limiting rod matched with the limiting groove, one end of the connecting rod is connected with the middle of the limiting rod, and the other end of the connecting rod is connected with the elastic piece. The other end of the connecting rod penetrates through the penetrating groove and the via hole and then is in threaded connection with the connector, and the elastic piece makes contact with the sliding block. The adjusting mechanism in the seat is simple and novel in structure, the operation process is simple and convenient, and the use experience of a user is enhanced; the seat can be folded to facilitate storage and transportation.

Description

Technical Field

[0001] The utility model relates to a seat. Background Art

[0002] Currently, there are many chairs on the market with backrests having pitch adjustment functions. The pitch adjustment of the seat back relative to the seat is often achieved by using an adjustment mechanism. However, the structural design of the existing adjustment mechanism is generally complex, the manufacturing cost is relatively high, and the existence of the adjustment mechanism makes the seat unable to be folded, making it inconvenient to store and transport the seat. Utility Model Content

[0003] The technical problem solved by the utility model is to provide a seat with a simple structure which can be pitched and folded.

[0004] In order to solve the above technical problems, the technical solution adopted by the present invention is: a seat, comprising:

[0005] A seat, wherein one side of the seat has two rotating sockets arranged opposite to each other;

[0006] A backrest, the bottom end of which is rotatably connected to the seat, the backrest being provided with a long through-groove, the front of which having a plurality of limiting grooves arranged side by side, the middle portion of each limiting groove being connected to the through-groove;

[0007] An adjustment mechanism includes a sliding block, a T-shaped clamp, an elastic member, a connector and two pins, the pin is L-shaped, one end of the pin is fixedly connected to the sliding block, and the other end of the pin can be rotatably inserted into the rotating socket. A through hole is provided on the sliding block, and the T-shaped clamp includes a connecting rod and a limiting rod that cooperates with the limiting groove. One end of the connecting rod is connected to the middle part of the limiting rod, and the other end of the connecting rod passes through the through groove and the through hole and is threadedly connected to the connector, and the elastic member contacts the sliding block.

[0008] In one embodiment, the seat includes a contact area and a mounting area connected to each other, the connection between the backrest and the seat is located at the junction of the contact area and the mounting area, and the rotating socket is arranged away from the contact area.

[0009] In one embodiment, the back of the backrest has a plurality of latching teeth arranged side by side, a latching groove is formed between two adjacent rows of the latching teeth, and the sliding block is provided with a latching block that cooperates with the latching groove.

[0010] In one embodiment, the back side of the backrest has two hollow handles arranged opposite to each other, and the sliding block is located between the two hollow handles.

[0011] In one embodiment, an insertion rod is provided on the sliding block, and an end portion of the insertion rod is inserted into the hollow area of ​​the hollow handle.

[0012] In one embodiment, the sliding block is provided with a cylindrical portion, the through hole is provided corresponding to and connected to the hollow area of ​​the cylindrical portion, and the connector is at least partially accommodated in the hollow area of ​​the cylindrical portion.

[0013] In one embodiment, a notch is provided on a peripheral wall of the cylindrical portion at one end away from the sliding block.

[0014] In one embodiment, an ear portion extending outward is provided on a peripheral wall of the cylindrical portion at one end away from the sliding block.

[0015] In one embodiment, anti-slip lines are provided on the outer peripheral wall of the connector.

[0016] In one embodiment, the pins are made of metal or plastic.

[0017] The beneficial effects of the present invention are as follows: the adjustment mechanism of the chair is simple and novel in structure. The user can press the connector to allow the limit rod to exit the limit slot, thereby adjusting the pitch angle of the backrest, so that the chair can adapt to various sitting postures of the user. After the user releases the connector, the connector drives the limit rod into the limit slot under the action of the elastic member, thereby locking the pitch angle of the backrest relative to the seat. The pitch adjustment operation process is simple and convenient, which helps to enhance the user's experience. Moreover, when the seat needs to be folded, the user can hold the two pins in one hand and bring the two pins close to each other to disengage the pin ends from the rotation socket, thereby disconnecting the adjustment mechanism from the seat, allowing the backrest to rotate to a position close to the seat, and realizing the folding of the seat for storage and transportation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0019] Figure 1 This is a schematic diagram of the structure of the seat of the first embodiment of the present invention. Figure 1 ;

[0020] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0021] Figure 3This is a schematic diagram of the structure of the seat of the first embodiment of the present invention. Figure 2 ;

[0022] Figure 4 for Figure 3 Enlarged view of point B in the middle.

[0023] Description of Figure Numbers:

[0024] 1. Seat; 11. Rotating socket; 12. Contact area; 13. Installation area;

[0025] 2. Backrest; 21. Through slot; 22. Limiting slot; 23. Clamping teeth; 24. Hollow handle;

[0026] 3. Adjustment mechanism; 31. Sliding block; 311. Insertion rod; 312. Cylindrical portion; 313. Notch; 314. Ear; 32. T-shaped clamp; 321. Connecting rod; 322. Limiting rod; 33. Connector; 34. Pin. DETAILED DESCRIPTION

[0027] The purpose, features and advantages of the present invention will be further described with reference to the accompanying drawings and in conjunction with the embodiments.

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0029] It should be noted that if the embodiments of the present invention involve directional indications such as up, down, left, right, front, back, etc., then the directional indications are only used to explain the relative position relationship, movement status, etc. between the various components in a certain specific posture as shown in the accompanying drawings. If the specific posture changes, the directional indications will also change accordingly.

[0030] In addition, if the embodiments of the present invention include descriptions of "first," "second," etc., such descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of the technical features indicated. Therefore, features specified as "first" or "second" may explicitly or implicitly include at least one of such features.

[0031] In addition, if the word "and / or" appears throughout the text, it means that three parallel solutions are included. For example, "and / or" includes solutions, or solutions, or solutions that meet all of the requirements simultaneously. In addition, the technical solutions of various embodiments may be combined with each other, but this must be based on the fact that they can be implemented by ordinary technicians in this field. If the combination of technical solutions is mutually contradictory or cannot be implemented, it shall be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this utility model.

[0032] In this application, unless otherwise expressly specified or limited, terms such as "mounted," "connected," "connect," and "fixed" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integration; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal connections between two components or interactions between two components. Those skilled in the art will understand the specific meanings of these terms in this application based on specific circumstances.

[0033] Example 1

[0034] Please refer to Figures 1 to 4 , the utility model embodiment 1 is: a chair, including a seat 1, a backrest 2 and an adjustment mechanism 3, one side of the seat 1 has two rotating sockets 11 arranged opposite to each other; the bottom end of the backrest 2 is rotatably connected to the seat 1, the backrest 2 is provided with a long strip through-groove 21, the front of the backrest 2 has a plurality of limit slots 22 arranged side by side, and the middle part of each of the limit slots 22 is connected to the through-groove 21; the adjustment mechanism 3 includes a sliding block 31, a T-shaped clamp 32, an elastic member (not shown in the figure), a connector 33 and two pins 34, the pins 34 are L-shaped, and the pins 34 are One end is fixedly connected to the sliding block 31, and the other end of the pin 34 can be rotatably inserted into the rotating socket 11. A through hole is provided on the sliding block 31. The T-shaped clamp 32 includes a connecting rod 321 and a limiting rod 322 that cooperates with the limiting groove 22. One end of the connecting rod 321 is connected to the middle part of the limiting rod 322, and the other end of the connecting rod 321 is threadedly connected to the connecting head 33 after passing through the through groove 21 and the through hole. The elastic member contacts the sliding block 31 to provide the connecting head 33 with potential energy away from the sliding block 31. The elastic member can be optionally a spring, etc.

[0035] The seat 1 includes a connected contact area 12 and an installation area 13. The connection between the backrest 2 and the seat 1 is located at the junction of the contact area 12 and the installation area 13. The rotating socket 11 is arranged away from the contact area 12. The contact area 12 is used to provide a sitting position for the user.

[0036] In order to improve the structural stability of the seat and enable the backrest 2 to withstand greater supporting force, in this embodiment, the back of the backrest 2 has a plurality of latching teeth 23 arranged side by side, and a slot is formed between two adjacent rows of the latching teeth 23. The sliding block 31 is provided with a latching block (not shown in the figure) that cooperates with the slot.

[0037] To facilitate user movement, the back of the backrest 2 optionally has two hollow handles 24 arranged opposite each other, and the sliding block 31 is located between the two hollow handles 24. In this embodiment, the sliding block 31 is provided with an insertion rod 311, the end of which is inserted into the hollow area of ​​the hollow handle 24. This can reduce the risk of the adjustment mechanism 3 accidentally detaching from the backrest 2 and causing it to be lost after the pin 34 is disengaged from the rotation socket 11, and at the same time, the handle can play a multi-purpose effect.

[0038] Optionally, a cylindrical portion 312 is provided on the sliding block 31, and the through hole is provided corresponding to the hollow area of ​​the cylindrical portion 312 and connected to the hollow area of ​​the cylindrical portion 312, and the connector 33 is at least partially accommodated in the hollow area of ​​the cylindrical portion 312, which can protect the connector 33 and reduce the chance of the connector 33 being accidentally touched.

[0039] A notch 313 is provided on the peripheral wall of the cylindrical portion 312 at one end away from the sliding block 31 . The notch 313 can facilitate the user to press the connector 33 and reduce the probability of interference between the user's fingers and the cylindrical portion 312 .

[0040] An ear 314 extending outward is provided on the peripheral wall of the cylindrical portion 312 at one end away from the sliding block 31. When the user presses the connector 33 with the thumb, the ear 314 can provide a hooking position for the user's index finger, allowing the user to operate the connector 33 more conveniently.

[0041] The outer wall of the connector 33 is provided with anti-skid patterns, which can facilitate the threaded connection between the connector 33 and the connecting rod 321 and improve the slipping phenomenon when the assembler rotates the connector 33. It is easy to understand that the connector 33 is equivalent to a nut.

[0042] The pin 34 needs to support the backrest 2 and has a certain deformation ability so as to be separated from the rotating socket 11. Therefore, the pin 34 is made of a material with a certain strength and toughness. Optionally, the material of the pin 34 is metal or plastic, and the metal includes but is not limited to iron alloy.

[0043] The above are only optional embodiments of the present invention and do not limit the patent scope of the present invention. All equivalent structural transformations made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or direct / indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A seat, characterized in that: include A seat, wherein one side of the seat has two rotating sockets arranged opposite to each other; A backrest, the bottom end of which is rotatably connected to the seat, the backrest being provided with a long through-groove, the front of which having a plurality of limiting grooves arranged side by side, the middle portion of each limiting groove being connected to the through-groove; An adjustment mechanism includes a sliding block, a T-shaped clamp, an elastic member, a connector and two pins, the pin is L-shaped, one end of the pin is fixedly connected to the sliding block, and the other end of the pin can be rotatably inserted into the rotating socket. A through hole is provided on the sliding block, and the T-shaped clamp includes a connecting rod and a limiting rod that cooperates with the limiting groove. One end of the connecting rod is connected to the middle part of the limiting rod, and the other end of the connecting rod passes through the through groove and the through hole and is threadedly connected to the connector, and the elastic member contacts the sliding block.

2. The seat according to claim 1, characterized in that: The seat comprises a connected contact area and an installation area. The connection between the backrest and the seat is located at the junction of the contact area and the installation area. The rotating socket is arranged away from the contact area.

3. The seat according to claim 1, wherein: The back of the backrest is provided with a plurality of latching teeth arranged side by side, and a latching groove is formed between two adjacent rows of the latching teeth. The sliding block is provided with a latching block that matches the latching groove.

4. The seat according to claim 1, wherein: The back of the backrest is provided with two hollow handles arranged opposite to each other, and the sliding block is located between the two hollow handles.

5. The seat according to claim 4, characterized in that: The sliding block is provided with an insertion rod, and the end of the insertion rod is inserted into the hollow area of ​​the hollow handle.

6. The seat according to claim 1, characterized in that: The sliding block is provided with a cylindrical portion, the through hole is provided corresponding to and connected to the hollow area of ​​the cylindrical portion, and the connector is at least partially accommodated in the hollow area of ​​the cylindrical portion.

7. The seat according to claim 6, characterized in that: A notch is provided on the peripheral wall of the cylindrical portion at one end away from the sliding block.

8. The seat according to claim 6, characterized in that: An ear portion extending outward is provided on a peripheral wall of the cylindrical portion at one end away from the sliding block.

9. The seat according to claim 1, characterized in that: The outer peripheral wall of the connector is provided with anti-slip lines.

10. The seat according to claim 1, characterized in that: The material of the pins is metal or plastic.

Images