Noon break chair
By incorporating a sliding groove and a headrest design with a sliding connection on the back of the nap chair, the problem of fingers being pinched during the folding process of the headrest is solved, improving the safety of the nap chair and making it especially suitable for primary and secondary school students.
Patent Information
- Application Number
- CN202422985295.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-04
- Publication Date
- 2026-01-27
- Estimated Expiration
- 2034-12-04
AI Technical Summary
The existing nap chairs have a safety hazard because the headrests can easily pinch fingers when they are folded, especially when used by primary and secondary school students.
Design a nap chair with a sliding groove on the backrest. The headrest is slidably connected to the sliding groove. When the headrest is in its fully extended state, ensure that the bottom of the headrest is not higher than the top of the backrest. The sliding groove and the slide rail work together to avoid gaps. The sliding connection is used instead of the folding connection.
It effectively reduces the risk of fingers being pinched by the headrest, improves the safety of the nap chair, and is especially suitable for groups with high safety requirements, such as primary and secondary school students.
Smart Images
Figure CN223830583U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of furniture technology, and in particular to a nap chair. Background Technology
[0002] Primary and secondary school students typically nap in classrooms during lunch breaks, using benches as chairs. These chairs usually include a headrest connected to the backrest. Currently, the headrests and backrests of the nap chairs commonly used in primary and secondary schools are hinged together. When in use, the headrest is in a support position above the backrest, providing support for the student's back and neck. When not in use, the headrest folds down via a hinged mechanism, folding close to the backrest to save space and avoid obstructing the view of students in the back rows, ensuring that they can clearly see the blackboard or teacher during class. However, as the headrest folds down, the gap between it and the backrest gradually decreases. If the user does not remove their hands promptly, their hands can easily get caught in the folded area, creating a hand-pinching hazard and compromising the safety of the nap chair. This safety risk is particularly significant considering that the users are primarily primary and secondary school students with relatively low safety awareness.
[0003] Therefore, existing technologies have defects and shortcomings, and need further improvement and development. Utility Model Content
[0004] The main purpose of this utility model is to propose a nap chair that aims to solve the safety hazard of pinching hands when adjusting the headrest in existing nap chairs.
[0005] To achieve the above objectives, this utility model proposes a nap chair, which includes:
[0006] The backrest has a sliding groove on its rear side, and the sliding groove extends along the length of the backrest.
[0007] The headrest is slidably connected to the slide groove;
[0008] When the headrest is in its maximum extended state, the height of the bottom of the headrest is not higher than the height of the top of the backrest.
[0009] Preferably, the headrest is provided with a slide rail, and the slide rail is slidably connected to the slide groove.
[0010] Preferably, the backrest is provided with two ribs on the rear side, and the sliding grooves are provided on opposite sides of the two ribs.
[0011] Preferably, the slide rail is provided with a plurality of smooth inner wall grooves, and the upper end of the slide groove is provided with a protrusion, the protrusion being adapted to the groove.
[0012] Preferably, the groove wall at the protrusion extends along the width direction of the backrest to form a reinforcing pad, which is used to enhance the stability of the headrest during use.
[0013] Preferably, the thickness of the rib increases from the protrusion to the top of the rib to enhance the stability of the headrest during use.
[0014] Preferably, the headrest has two ribs on the side opposite to the backrest, and the two ribs are respectively located at both ends of the headrest along the width direction of the backrest;
[0015] The distance between the two ribs matches the distance between the two rib beams to limit the headrest in the width direction of the backrest.
[0016] Preferably, the top of the headrest is provided with a first limiting part, which protrudes to the side opposite to the backrest;
[0017] The top of the rib beam forms a limiting platform, which matches the first limiting part.
[0018] Preferably, the bottom end of the headrest is provided with a second limiting part, which protrudes toward the backrest;
[0019] When the headrest is pulled out, the reinforcing pad limits the second limiting part to prevent the slide rail from disengaging from the slide groove.
[0020] Beneficial effects
[0021] This utility model provides a nap chair. The nap chair includes a backrest and a headrest, with the headrest slidably connected to the backrest via a sliding groove. By setting the sliding groove, the headrest is slidably connected to the groove, and gaps are avoided between the top of the backrest and the bottom of the headrest when the headrest is in its fully extended state. This effectively solves the problem of the risk of pinching fingers during the folding process of the headrest, and improves the safety of using the nap chair. Attached Figure Description
[0022] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from the structures shown in these drawings without creative effort.
[0023] Figure 1 This is an exploded diagram of the nap chair provided in this application;
[0024] Figure 2 yes Figure 1Enlarged view of point A in the middle;
[0025] Figure 3 This is a partially enlarged schematic diagram of the nap chair provided in this application;
[0026] Figure 4 This is a three-dimensional structural diagram of the headrest provided in this application;
[0027] Figure 5 This is a top view of the unfolded state of the nap chair provided in this application.
[0028] Explanation of icon numbers:
[0029] label name label name 10 nap chair 11 Backrest 12 headrest 111 chute 112 Ribs 113 bump 114 Reinforcing Pad 115 Limiting platform 121 slide rail 122 groove 123 rib 124 First limiting section 125 Second limiting part
[0030] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation
[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0032] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicators will also change accordingly.
[0033] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of indicated technical features. Therefore, features defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. If the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.
[0034] This utility model proposes a nap chair 10.
[0035] Please refer to the following: Figures 1 to 4The first embodiment of this application provides a nap chair 10. The nap chair 10 includes a backrest 11 and a headrest 12. A sliding groove 111 is provided on the rear side of the backrest 11, extending along the length of the backrest 11. The headrest 12 is slidably connected to the sliding groove 111, allowing the headrest 12 to slide along the direction of the sliding groove 111, and adjusting the relative position between the headrest 12 and the backrest 11 through this sliding motion. By setting the headrest 12 to be slidably connected to the backrest 11 instead of folding it over, the problem of accidental hand entry into the folding area during use is effectively solved. To reduce the gap between the headrest 12 and the backrest 11, and further reduce the risk of hand pinching during use, when the headrest 12 is in its maximum extended state, the height of the bottom of the headrest 12 is no higher than the height of the top of the backrest 11; thus avoiding a gap between the top of the backrest 11 and the bottom of the headrest 12, preventing the user's hand from accidentally entering the area between them during use.
[0036] In summary, the nap chair 10 provided in this application effectively reduces the risk of fingers being pinched by the headrest 12, and is suitable for groups with high safety requirements, such as primary and secondary school students.
[0037] To facilitate the sliding of the headrest 12 within the slide groove 111, a slide rail 121 is provided on the headrest 12, and the slide rail 121 is slidably connected to the slide groove 111. To prevent obstructing the view of students in the back row, the length of the slide rail 121 can be less than or equal to the length of the slide groove 111. This ensures that the headrest 12 does not obstruct the view of students in the back row, and also prevents it from slipping out of the slide groove 111 during sliding, thus ensuring that the headrest 12 always remains within the sliding range of the backrest 11.
[0038] To ensure the stability of the headrest 12 during use, two ribs 112 are provided on the rear side of the backrest 11. Sliding grooves 111 are formed on opposite sides of each rib 112, allowing the headrest 12 to slide smoothly into the ribs 112. The two ribs 112 on the rear side of the backrest 11 enhance the structural stability and load-bearing capacity of the backrest 11. The ribs 112 can be arranged along the length of the backrest 11, helping to distribute the pressure between the headrest 12 and the backrest 11, ensuring the overall structural stability. The sliding grooves 111 are formed on opposite sides of the two ribs 112, allowing the headrest 12 to slide freely between the two ribs 112.
[0039] Please refer to the following: Figure 1 , Figure 2 and Figure 4 The slide rail 121 has multiple smooth inner wall grooves 122, and the upper end of the slide groove 111 has a protrusion 113 that fits into the groove 122. The groove 122 can be a smooth arc-shaped groove or a semi-circular groove without sharp edges on the inner wall, to provide a smooth and stable adjustment experience. When the headrest 12 slides to a specific position, the protrusion 113 can enter the groove 122 to perform positioning and locking functions.
[0040] Please see Figure 2 The groove wall at the protrusion 113 extends along the width direction of the backrest 11 to form a reinforcing pad 114, which enhances the stability of the headrest 12 during use. Specifically, the reinforcing pad 114 is a structural extension of the groove wall at the protrusion 113. Reinforcing pads 114 are provided on both ribs 112, extending opposite each other along the width direction of the backrest 11. The reinforcement pads 114 increase the contact area between the headrest 12 and the ribs 112, providing additional support for the headrest 12; simultaneously, the reinforcement pads 114 also limit the bottom end of the headrest 12.
[0041] To further enhance the stability of the headrest 12 during use, the thickness of the rib 112 on the upper side of the protrusion 113 is greater than the thickness of the rib 112 on the lower side of the protrusion 113. Furthermore, the thickness of the rib 112 increases progressively from the protrusion 113 to the top of the rib 112 to further enhance the stability of the headrest 12 during use. When the protrusion 113 enters the groove 122 at the bottom of the headrest 12, the headrest 12 is in its maximum extended state. During use, the rib 112 on the upper side of the protrusion 113 bears a greater force than the rib 112 on the lower side of the protrusion 113. The thicker top of the rib 112 provides sufficient support to withstand the pressure during use; while the rib 112 gradually thins downwards, reducing the overall weight.
[0042] Please see Figure 1 To prevent the headrest 12 from disengaging from the slide groove 111 in the width direction of the backrest 11, two ribs 123 are provided on the side of the headrest 12 facing away from the backrest 11. The two ribs 123 are located at both ends of the headrest 12 along the width direction of the backrest 11. Specifically, the ribs 123 can be elongated strips extending along the length direction of the backrest 11. The ribs 123 enhance the structural strength of the headrest 12 and provide additional support. The distance between the two ribs 123 matches the distance between the two rib beams 112 to limit the headrest 12 in the width direction of the backrest 11. Specifically, the distance between the two ribs 123 is slightly smaller than the distance between the two rib beams 112, ensuring smooth sliding of the headrest 12 while effectively limiting both ends of the headrest 12 in the width direction of the backrest 11.
[0043] Please refer to the following: Figures 3 to 5 The headrest 12 has a first limiting part 124 at its top, which protrudes from the side opposite to the backrest 11. The top of the rib beam 112 forms a limiting platform 115, which matches the first limiting part 124 to limit it. Specifically, when the headrest 12 is retracted, the contact between the first limiting part 124 and the limiting platform 115 can effectively limit the headrest 12, determining its storage position and making it easy to remove for the next use.
[0044] To prevent the headrest 12 from being pulled out excessively and causing the slide rail 121 to disengage from the slide groove 111, a second limiting part 125 is provided at the bottom end of the headrest 12. The second limiting part 125 protrudes towards the backrest 11 and can be a protrusion or a stop. When the headrest 12 is pulled out, the reinforcing pad 114 can limit the second limiting part 125. The main function of the second limiting part 125 is to cooperate with the reinforcing pad 114 to limit the range of movement of the headrest 12. When the headrest 12 is in its maximum extended state, the bottom of the reinforcing pad 114 contacts the second limiting part 125 to limit the headrest 12 and prevent the headrest 12 from disengaging from the slide groove 111 due to improper operation.
[0045] In summary, this utility model provides a nap chair, comprising: a backrest with a sliding groove on its rear side extending along the length of the backrest; and a headrest slidably connected to the sliding groove. The top edge of the backrest protrudes towards the headrest to reduce the gap between the top of the backrest and the headrest. By providing the sliding groove, the headrest is slidably connected to it, and a gap is avoided between the top of the backrest and the bottom of the headrest when the headrest is in its fully extended state. This effectively solves the problem of the risk of fingers being pinched during the folding process of the headrest, improving the safety of the nap chair during use.
[0046] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. All equivalent structural transformations made under the inventive concept of the present utility model using the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.
Claims
1. A nap chair, characterized in that, include, The backrest has a sliding groove on its rear side, and the sliding groove extends along the length of the backrest. The headrest is slidably connected to the slide groove; When the headrest is in its maximum extended state, the height of the bottom of the headrest is not higher than the height of the top of the backrest.
2. The nap chair as described in claim 1, characterized in that, The headrest is provided with a slide rail, which is slidably connected to the slide groove.
3. The nap chair as described in claim 2, characterized in that, The backrest has two ribs on its rear side, and the sliding grooves are provided on opposite sides of the two ribs.
4. The nap chair as described in claim 3, characterized in that, The slide rail is provided with multiple smooth inner wall grooves, and the upper end of the slide groove is provided with a protrusion that is adapted to the groove.
5. The nap chair as described in claim 4, characterized in that, The groove wall at the protrusion extends along the width of the backrest to form a reinforcing pad, which is used to enhance the stability of the headrest during use.
6. The nap chair as described in claim 4, characterized in that, The thickness of the rib increases from the protrusion to the top of the rib to enhance the stability of the headrest during use.
7. The nap chair as described in claim 3, characterized in that, The headrest has two ribs on the side opposite to the backrest, and the two ribs are respectively located at both ends of the headrest along the width direction of the backrest. The distance between the two ribs matches the distance between the two rib beams to limit the headrest in the width direction of the backrest.
8. The nap chair as described in claim 3, characterized in that, The headrest has a first limiting part at its top, which protrudes to the side opposite to the backrest. The top of the rib beam forms a limiting platform, which matches the first limiting part.
9. The nap chair as described in claim 5, characterized in that, The bottom end of the headrest is provided with a second limiting part, which protrudes towards the backrest. When the headrest is pulled out, the reinforcing pad limits the second limiting part to prevent the slide rail from disengaging from the slide groove.