CN217610273U - Inclined sliding structure for adjusting position of backrest - Google Patents
Inclined sliding structure for adjusting position of backrest Download PDFInfo
- Publication number
- CN217610273U CN217610273U CN202221366108.9U CN202221366108U CN217610273U CN 217610273 U CN217610273 U CN 217610273U CN 202221366108 U CN202221366108 U CN 202221366108U CN 217610273 U CN217610273 U CN 217610273U
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- locking
- backrest
- tray base
- adjusting
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Abstract
The utility model discloses a slide structure to one side for adjusting back position, including tray base and the back support of sliding connection on tray base, tray base's both sides slope is provided with back leg joint piece, be equipped with the groove that slides to one side on the back leg joint piece, the both sides of back support are equipped with the oblique smooth tongue that the groove was slided to one side in the cooperation, be equipped with locking Assembly on the tray base, be equipped with the locking regulation hole of cooperation locking Assembly on the back support, be equipped with the locking hole of cooperation locking Assembly on the tray base. The utility model discloses design the back leg joint piece that the groove was led to one side to smooth on tray base, design the oblique smooth protruding rail that leads to the groove of the oblique smooth of cooperation on back support to join in marriage locking regulation hole and locking Assembly, realized that same set of structure just can carry out the regulation of upper and lower position around the back support, thereby the seat of regulation chair that can be fine is dark with waist height, simple structure, convenient operation reduces chair manufacturing cost.
Description
Technical Field
The utility model relates to a chair component, in particular to an oblique sliding structure for adjusting the position of a backrest.
Background
As the chairs used by children and teenagers have larger fat and thin differences among different ages and are suitable for children of different ages, the sitting depth (the horizontal distance from the front section of a cushion to a backrest) and the waist height (the vertical distance from the surface of the cushion to the most convex point of the backrest) of the chair can be adjusted and changed; however, in the conventional chair, the adjustment of the sitting depth and the waist height is usually performed by a single adjustment mechanism, which not only causes troublesome adjustment, but also causes the overall structure of the chair to be complex and increases the production cost.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the defect that exists among the above-mentioned prior art and be not enough, a back leg joint piece that groove is slided to one side in design area on the tray base is provided, the oblique smooth tongue rail that groove is slided to one side in design cooperation on the back support, and join in marriage locking regulation hole and locking Assembly, realized that same set of structure just can carry out the regulation of upper and lower position around the back support, thereby the seat of regulation chair that can be fine is dark and waist height, moreover, the steam generator is simple in structure, high durability and convenient operation, reduce chair manufacturing cost's the oblique smooth structure that is used for adjusting back position.
The technical scheme of the utility model: the utility model provides a slide structure to one side for adjusting back position, includes tray base and the back support of sliding connection on tray base, the both sides slope of tray base is provided with back leg joint piece, be equipped with the groove that slides to one side on the back leg joint piece, the both sides of back support are equipped with the oblique smooth protruding rail that the groove was slided to one side in the cooperation, be equipped with locking Assembly on the tray base, be equipped with the locking regulation hole of cooperation locking Assembly on the back support, be equipped with the locking hole of cooperation locking Assembly on the tray base.
The utility model discloses design the back leg joint piece that the groove was led to one side to smooth on tray base, design the oblique smooth protruding rail that leads to the groove of the oblique smooth of cooperation on back support to join in marriage locking regulation hole and locking Assembly, realized that same set of structure just can carry out the regulation of upper and lower position around the back support, thereby the seat of regulation chair that can be fine is dark with waist height, simple structure, convenient operation reduces chair manufacturing cost.
Preferably, the rear side of the tray base is provided with a base slope matched with the backrest support connecting block, the backrest support connecting block is welded on two sides of the base slope, and the locking assembly is connected to the upper portion of the base slope.
The structure ensures the connection firmness of the connecting block of the backrest support and the tray base, thereby further ensuring the oblique sliding stability of the backrest support and simultaneously facilitating the locking and limiting of the locking assembly.
Preferably, the back support includes support vertical section and support slope section, the inclination of support slope section and the inclination phase-match of base slope, the protruding rail setting of oblique slip is on support slope section.
This kind of structure further ensures the degree of match between back support and the tray base, ensures the oblique smooth stability of back support.
Preferably, the locking assembly comprises a locking bolt and a locking nut, the locking nut is fixed on the tray base, the locking bolt comprises a bolt head, a limiting section connected to the bolt head and a locking section connected to the limiting section, the size of the locking hole is matched with the diameter of the locking section, the diameter of the locking section is smaller than the width of the locking adjusting hole, the diameter of the limiting section is larger than the width of the locking adjusting hole, and the locking section sequentially penetrates through the locking adjusting hole and the locking hole and then is locked through the locking nut.
This kind of structure ensures locking assembly to back support and tray base's locking stability and reliability.
Preferably, a locking knob is fixed on the bolt head, and a limiting groove matched with the limiting section is arranged on the backrest support.
This kind of structure convenience of customers operation locking Assembly.
Preferably, the direction of the oblique sliding through groove is arranged inwards, and the direction of the oblique sliding convex rail is arranged outwards.
The structure ensures the matching degree of the inclined sliding convex rail and the inclined sliding through groove, and further ensures the inclined sliding stability of the backrest support.
Preferably, the length of the inclined sliding convex rail is greater than that of the locking adjusting hole, and the length of the locking adjusting hole is greater than that of the inclined sliding through groove.
This structure ensures a range of adjustment thereof.
The utility model discloses design the back leg joint piece that the groove was led to one side to smooth on tray base, design the oblique smooth protruding rail that leads to the groove of the oblique smooth of cooperation on back support to join in marriage locking regulation hole and locking Assembly, realized that same set of structure just can carry out the regulation of upper and lower position around the back support, thereby the seat of regulation chair that can be fine is dark with waist height, simple structure, convenient operation reduces chair manufacturing cost.
Drawings
Fig. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a schematic structural view of the present invention;
fig. 3 is a schematic side view of the present invention;
fig. 4 is an exploded view of the present invention;
in the figure, 1, a tray base, 2, a backrest bracket, 3, a backrest bracket connecting block, 4, a base slope, 5, an oblique sliding through groove, 6, an oblique sliding convex rail, 7, a locking adjusting hole, 8, a limiting groove, 9, a bracket vertical section, 10, a bracket oblique section, 11, a bolt head, 12, a limiting section, 13, a locking section, 14, a locking nut and 15, a locking knob are arranged.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings, but the present invention is not limited thereto.
As shown in fig. 1-4, a skew sliding structure for adjusting a backrest position includes a tray base 1 and a backrest support 2 slidably connected to the tray base 1, wherein two sides of the tray base 1 are obliquely provided with backrest support connection blocks 3, the backrest support connection blocks 3 are provided with skew sliding through grooves 5, two sides of the backrest support 2 are provided with skew sliding convex rails 6 matched with the skew sliding through grooves 5, the tray base 1 is provided with a locking assembly, the backrest support 2 is provided with a locking adjustment hole 7 matched with the locking assembly, and the tray base 1 is provided with a locking hole matched with the locking assembly. The rear side of the tray base 1 is provided with a base slope 4 matched with the backrest support connecting block 3, the backrest support connecting block 3 is welded on two sides of the base slope 4, and the locking assembly is connected to the upper portion of the base slope 4. The backrest support 2 comprises a support vertical section 9 and a support inclined section 10, the inclination angle of the support inclined section 10 is matched with that of the base slope 4, and the inclined sliding convex rail 6 is arranged on the support inclined section 10. Locking Assembly includes locking bolt and lock nut 14, lock nut 14 is fixed on tray base 1, locking bolt includes bolt head 11, connect spacing section 12 on bolt head 11 and connect the locking section 13 on spacing section 12, the size in locking hole matches with the diameter of locking section 13, the diameter of locking section 13 is less than the width of locking regulation hole 7, the diameter of spacing section 12 is greater than the width of locking regulation hole 7, locking section 13 passes locking regulation hole 7 and locking hole back in proper order and locks through lock nut 14. A locking knob 15 is fixed on the bolt head 11, and a limiting groove 8 matched with the limiting section 12 is arranged on the backrest support 2. The oblique sliding through groove 5 is arranged inwards, and the oblique sliding convex rail 6 is arranged outwards. The length of the oblique sliding convex rail 6 is greater than that of the locking adjusting hole 7, and the length of the locking adjusting hole 7 is greater than that of the oblique sliding through groove 5.
When the utility model is used, when the position of the backrest support needs to be adjusted, the locking bolt is firstly unscrewed through the locking knob, then the backrest support is slid to the required position through the matching of the oblique sliding convex rail and the oblique sliding through groove, and then the locking knob is rotated to tighten the locking bolt; when the position of the backrest support is adjusted, the adjusting position of the backrest support is limited through the locking adjusting hole and the locking section, and the backrest support is prevented from being excessively adjusted.
The utility model discloses design the back leg joint piece that the groove was led to one side to smooth on tray base, design the oblique smooth protruding rail that leads to the groove of the oblique smooth of cooperation on back support to join in marriage locking regulation hole and locking Assembly, realized that same set of structure just can carry out the regulation of upper and lower position around the back support, thereby the seat of regulation chair that can be fine is dark with waist height, simple structure, convenient operation reduces chair manufacturing cost.
Claims (7)
1. A ramp structure for adjusting the position of a backrest, characterized in that: the tray comprises a tray base and a backrest support connected to the tray base in a sliding mode, backrest support connecting blocks are obliquely arranged on two sides of the tray base, oblique sliding through grooves are formed in the backrest support connecting blocks, oblique sliding convex rails matched with the oblique sliding through grooves are arranged on two sides of the backrest support, locking assemblies are arranged on the tray base, locking adjusting holes matched with the locking assemblies are formed in the backrest support, and locking holes matched with the locking assemblies are formed in the tray base.
2. A recliner mechanism for adjusting the position of a backrest as set forth in claim 1, wherein: the tray comprises a tray base and is characterized in that a base slope matched with a backrest support connecting block is arranged on the rear side of the tray base, the backrest support connecting block is welded on two sides of the base slope, and a locking assembly is connected to the upper portion of the base slope.
3. A recliner mechanism for adjusting the position of a backrest as set forth in claim 2, wherein: the back support comprises a support vertical section and a support inclined section, the inclination angle of the support inclined section is matched with that of the base slope, and the inclined sliding convex rail is arranged on the support inclined section.
4. A recliner mechanism for adjusting the position of a backrest as set forth in claim 1, wherein: the locking assembly comprises a locking bolt and a locking nut, the locking nut is fixed on the tray base, the locking bolt comprises a bolt head, a limiting section connected to the bolt head and a locking section connected to the limiting section, the size of the locking hole is matched with the diameter of the locking section, the diameter of the locking section is smaller than the width of the locking adjusting hole, the diameter of the limiting section is larger than the width of the locking adjusting hole, and the locking section is locked through the locking nut after sequentially passing through the locking adjusting hole and the locking hole.
5. A recliner mechanism for adjusting the position of a backrest as set forth in claim 4, wherein: the locking knob is fixed on the bolt head, and the backrest support is provided with a limiting groove matched with the limiting section.
6. A recliner mechanism for adjusting the position of a backrest as set forth in claim 1, wherein: the direction of the oblique sliding through groove is arranged inwards, and the direction of the oblique sliding convex rail is arranged outwards.
7. A recliner mechanism for adjusting the position of a backrest as set forth in claim 1, wherein: the length of the inclined sliding convex rail is greater than that of the locking adjusting hole, and the length of the locking adjusting hole is greater than that of the inclined sliding through groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221366108.9U CN217610273U (en) | 2022-06-02 | 2022-06-02 | Inclined sliding structure for adjusting position of backrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221366108.9U CN217610273U (en) | 2022-06-02 | 2022-06-02 | Inclined sliding structure for adjusting position of backrest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217610273U true CN217610273U (en) | 2022-10-21 |
Family
ID=83621941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221366108.9U Active CN217610273U (en) | 2022-06-02 | 2022-06-02 | Inclined sliding structure for adjusting position of backrest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217610273U (en) |
-
2022
- 2022-06-02 CN CN202221366108.9U patent/CN217610273U/en active Active
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