CN209450152U - The bindiny mechanism of chair cushion and rear bearing sheet - Google Patents
The bindiny mechanism of chair cushion and rear bearing sheet Download PDFInfo
- Publication number
- CN209450152U CN209450152U CN201822127717.9U CN201822127717U CN209450152U CN 209450152 U CN209450152 U CN 209450152U CN 201822127717 U CN201822127717 U CN 201822127717U CN 209450152 U CN209450152 U CN 209450152U
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- China
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- rear bearing
- bearing sheet
- bindiny mechanism
- counterbore
- chair cushion
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Abstract
The utility model belongs to the bindiny mechanism in chair technology field more particularly to a kind of chair cushion and rear bearing sheet.It solves the prior art and designs the technical problems such as unreasonable.The bindiny mechanism of this chair cushion and rear bearing sheet includes Lumbar and in the rear bearing sheet being vertically arranged, waist-shaped hole is equipped in the middle and upper part of rear bearing sheet, the counterbore being connected to the waist-shaped hole is equipped at the back side of rear bearing sheet, mechanism further includes that the position in counterbore adjusts movable block, the position adjusts and is connected between movable block and the lower end of Lumbar by the connector through waist-shaped hole, elastic locking protrusion is respectively arranged on the left side and the right side in position adjusting movable block, the locking rack gear engaged one by one with the elastic locking protrusion is equipped in the hole wall of counterbore or the bottom hole of counterbore.Utility model has the advantages that adjusting position and the further expansion scope of application can be convenient for.
Description
Technical field
The utility model belongs to the bindiny mechanism in chair technology field more particularly to a kind of chair cushion and rear bearing sheet.
Background technique
Chair has swivel chair and fixed chair.
And the structure of chair generally comprises: stabilizer blade and the seat cushion being connected on stabilizer blade, and is connected to seat cushion or stabilizer blade
On back rest supports, backrest and Lumbar be installed in back rest supports, existing Lumbar its generally two bolts is used to be fixed on to lean on
In back support.
The advantages that fixation of bolt, simple and structure is fixed equal, although having many advantages, such as, this structure
There is also following defects for it:
Target user's performance is poor, that is, the position of Lumbar in the vertical direction can not be adjusted.
Utility model content
The purpose of this utility model is in view of the above-mentioned problems, providing one kind can fit convenient for adjusting position and further expansion
With the chair cushion of range and the bindiny mechanism of rear bearing sheet.
In order to achieve the above objectives, the utility model uses following technical proposal: the company of this chair cushion and rear bearing sheet
Connection mechanism includes Lumbar and in the rear bearing sheet being vertically arranged, and waist-shaped hole is equipped in the middle and upper part of rear bearing sheet, in rear bearing sheet
The back side be equipped with the counterbore that be connected to the waist-shaped hole, mechanism further includes the position adjusting movable block in counterbore, institute
The position stated adjusts and is connected between movable block and the lower end of Lumbar by the connector through waist-shaped hole, adjusts movable block in position
Be respectively arranged on the left side and the right side elastic locking protrusion, counterbore hole wall or counterbore bottom hole be equipped with and the elastic locking
The locking rack gear that protrusion is engaged one by one.
Counterbore has inside protrusion for two long side middle and upper parts of rectangular opening and rectangular opening, and locking rack gear is along rectangular opening
Two long sides distribution.
Position adjusts movable block and can move along waist-shaped hole, not only expands the scope of application, but also also further improve
The convenience adjusted cooperates with elastic locking protrusion and locking rack gear, the locking of Lumbar in the vertical direction may be implemented, avoids
It is freely lifted displacement.
In the bindiny mechanism of above-mentioned chair cushion and rear bearing sheet, the elastic locking protrusion includes being separately connected
The Resilient cantilevered portion at movable block respective side edge both ends is adjusted in position, the free end of Resilient cantilevered portion extends in opposite directions and free end is logical
It crosses V-shape portion to link together, V-shape portion forces the free end of Resilient cantilevered portion to adjust movable block to position after engaging with locking rack gear
Side is close.
It is integral by plastic injection that position adjusts movable block, Resilient cantilevered portion and V-shape portion.
In the bindiny mechanism of above-mentioned chair cushion and rear bearing sheet, setting is adjusted in movable block respective side edge in position
Two pieces of Resilient cantilevered portions be symmetrical set.
Symmetrical structure its can it is easy to process and manufacture, at the same time it can also ensure position adjust stability and ride comfort.
In the bindiny mechanism of above-mentioned chair cushion and rear bearing sheet, the locking rack gear is in symmetrically to set with waist-shaped hole
It sets.
Symmetrical structure its can it is easy to process and manufacture.
In the bindiny mechanism of above-mentioned chair cushion and rear bearing sheet, the locking rack gear it is L-shaped and be fixed on it is heavy
The hole bottom in hole.
In the bindiny mechanism of above-mentioned chair cushion and rear bearing sheet, on the opposite medial surface of two locking rack gears respectively
Equipped with several interior double wedges, it is respectively provided with arc convex one at the top of each interior double wedge, passes through arc between two adjacent interior double wedges
The connection of shape concave surface is equipped with and the matched arc convex two of arc-shaped concave at the top of V-shape portion.
Locking may be implemented in it to the structure, and cancels locking, easy to operate and laborsaving.
In the bindiny mechanism of above-mentioned chair cushion and rear bearing sheet, distinguish at the medial surface both ends of every locking rack gear
Equipped with limitation protrusion, the raised height of projection of the limitation is higher than the height of projection of interior double wedge.
Limitation protrusion plays the role of limit spacing, avoids excessively opposite disengaging or is detached from downwards.
In the bindiny mechanism of above-mentioned chair cushion and rear bearing sheet, on the lateral surface of locking rack gear be equipped with it is described
The one-to-one arc convex three of arc-shaped concave.
It can play good outer booster action to the structure, meanwhile, it is also convenient for fabricating, in addition, also further saving
Materials are saved.
In the bindiny mechanism of above-mentioned chair cushion and rear bearing sheet, there are two the connectors and interval setting.
The tubular T-shaped structure of connector.
Position adjusts movable block and is equipped with the fixation hole one being inserted into for connector, is equipped in the lower end of Lumbar and supplies the company
The fixation hole two of fitting insertion, connector are inserted in fixation hole one and through waist-shaped hole, are then inserted in fixation hole two, are connected
Part inserts in one end end in fixation hole two and extends to human body side and be equipped with circlip in its end, and connects with connector screw thread
It connects and is resisted against the nut on circlip.
In the bindiny mechanism of above-mentioned chair cushion and rear bearing sheet, mechanism further includes for by counterbore orifice closing
Closed cover, between the counterbore and closed cover pass through Detachable connection structure connect.
Detachable connection structure includes several intercommunicating pores being arranged on rear bearing sheet and be connected to counterbore, in closed cover
One side close to human body is equipped with several connecting columns inserted in the intercommunicating pore one by one, inserts in one end in intercommunicating pore in connecting column
Equipped with lock nut, lock nut is contacted with rear bearing sheet close to a surface of human body.
Compared with prior art, the advantages of bindiny mechanism of this chair cushion and rear bearing sheet, is:
1, position adjusts movable block and can move along waist-shaped hole, not only expands the scope of application, but also further mention
The high convenience adjusted, cooperates with elastic locking protrusion and locking rack gear, the locking of Lumbar in the vertical direction may be implemented, keep away
Exempt to be freely lifted displacement.
2, structure is simple and easy to manufacture.
Detailed description of the invention
Fig. 1 is structural schematic diagram provided by the utility model.
Fig. 2 is the structural schematic diagram after removal cover board provided by the utility model.
Fig. 3 is enlarged structure schematic diagram at A in Fig. 2.
Fig. 4 is that position provided by the utility model adjusts movable block and locking rack gear mated condition schematic diagram.
Fig. 5 is Lumbar structural schematic diagram provided by the utility model.
In figure, Lumbar 1, rear bearing sheet 2, waist-shaped hole 21, counterbore 22, position adjust movable block 3, elastic locking protrusion 31,
Resilient cantilevered portion 311, V-shape portion 312, arc convex 2 313, connector 4, locking rack gear 5, interior double wedge 51, arc convex 1,
Arc-shaped concave 53 limits raised 54, arc convex 3 55, closed cover 6.
Specific embodiment
It is the specific embodiment of utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As shown in Figs. 1-5,
The bindiny mechanism of this chair cushion and rear bearing sheet includes Lumbar 1 and in the rear bearing sheet 2 being vertically arranged, Lumbar 1
Including the arc block contacted with waist and it is connected to the rectangular block of arc block lower side, the seat cushion bone of rear bearing sheet 2 itself and chair
Frame connection.
It is equipped with waist-shaped hole 21 in the middle and upper part of rear bearing sheet 2, is equipped with and the waist-shaped hole 21 at the back side of rear bearing sheet 2
The counterbore 22 of connection, mechanism further include that the position in counterbore 22 adjusts movable block 3, and is used to seal in 22 aperture of counterbore
The closed cover 6 closed is connected between the counterbore 22 and closed cover 6 by Detachable connection structure.
It adjusts in position and is connected between movable block 3 and the lower end of Lumbar 1 by the connector 4 through waist-shaped hole 21, connection
The tubular T-shaped structure of part 4 is respectively arranged on the left side and the right side elastic locking protrusion 31 in position adjusting movable block 3, in counterbore 22
Hole wall or the bottom hole of counterbore 22 be equipped with the locking rack gear 5 that engages one by one with the elastic locking protrusion 31.
Specifically, the elastic locking protrusion 31 of the present embodiment includes being connected to position to adjust 3 respective side edge of movable block
The Resilient cantilevered portion 311 at both ends, the free end of Resilient cantilevered portion 311 extends in opposite directions and free end passes through V-shape portion 312 and is connected to one
It rises, V-shape portion 312 forces the free end of Resilient cantilevered portion 311 to adjust 3 side of movable block to position and leans on after engaging with locking rack gear 5
Closely.
Two pieces of Resilient cantilevered portions 311 that position is adjusted in 3 respective side edge of movable block are arranged in be symmetrical set.
The locking rack gear 5 is symmetrical set with waist-shaped hole 21.
The locking rack gear 5 is L-shaped and is fixed on the hole bottom of counterbore 22.
Several interior double wedges 51 are respectively equipped on the opposite medial surface of two locking rack gears 5, the top of each interior double wedge 51
It is respectively provided with arc convex 1, is connected between the interior double wedge 51 of adjacent two by arc-shaped concave 53, on the top of V-shape portion 312
Portion is equipped with and the matched arc convex 2 313 of arc-shaped concave 53.
It is respectively equipped with limitation protrusion 54 at the medial surface both ends of every locking rack gear 5,54 protrusion of limitation protrusion is high
Degree is higher than the height of projection of interior double wedge 51.
It is equipped with and the one-to-one arc convex 3 55 of arc-shaped concave 53 on the lateral surface of locking rack gear 5.
There are two the connectors 4 and interval setting.
The adjustment process of the present embodiment is as follows:
Artificially hold 1 top of Lumbar, then up or be downwardly applied to axial force, and elastic locking protrusion 31 at this time by
Then upwardly or downwardly pass through locking rack gear 5 when to applied force one by one, is forced under the action of the elastic force of Resilient cantilevered portion 311
V-shape portion 312 has the trend moved out, that is, with 5 kernel of locking rack gear, realizes locking and cancels locking, reach user
The Lumbar height needed.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (10)
1. the bindiny mechanism of chair cushion and rear bearing sheet, special including Lumbar (1) and in the rear bearing sheet (2) being vertically arranged
Sign is, is equipped with waist-shaped hole (21) in the middle and upper part of rear bearing sheet (2), is equipped with and the waist at the back side of rear bearing sheet (2)
The counterbore (22) of type hole (21) connection, mechanism further include that the position in counterbore (22) adjusts movable block (3), the position
It sets to adjust and be connected between movable block (3) and the lower end of Lumbar (1) by the connector (4) through waist-shaped hole (21), in position tune
Section movable block (3) is respectively arranged on the left side and the right side elastic locking protrusion (31), in the hole wall or counterbore (22) of counterbore (22)
Bottom hole is equipped with the locking rack gear (5) engaged one by one with the elastic locking protrusion (31).
2. the bindiny mechanism of chair cushion according to claim 1 and rear bearing sheet, which is characterized in that the snap lock
Only protrusion (31) include the Resilient cantilevered portion (311) for being connected to position and adjusting movable block (3) respective side edge both ends, elastic suspended
The free end of arm (311) extends in opposite directions and free end is linked together by V-shape portion (312), V-shape portion (312) and locking tooth
Force the free end of Resilient cantilevered portion (311) close to position adjusting movable block (3) side after item (5) engagement.
3. the bindiny mechanism of chair cushion according to claim 2 and rear bearing sheet, which is characterized in that be arranged in position tune
Two pieces of Resilient cantilevered portions (311) in section movable block (3) respective side edge are symmetrical set.
4. the bindiny mechanism of chair cushion according to claim 2 and rear bearing sheet, which is characterized in that the locking tooth
Item (5) is symmetrical set with waist-shaped hole (21).
5. the bindiny mechanism of chair cushion according to claim 4 and rear bearing sheet, which is characterized in that the locking tooth
Item (5) is L-shaped and is fixed on the hole bottom of counterbore (22).
6. the bindiny mechanism of chair cushion according to claim 5 and rear bearing sheet, which is characterized in that two locking rack gears
(5) it is respectively equipped with several interior double wedges (51) on opposite medial surface, is respectively provided with arc convex at the top of each interior double wedge (51)
One (52) are connected by arc-shaped concave (53) between the interior double wedge (51) of adjacent two, the top of V-shape portion (312) be equipped with
The matched arc convex two (313) of arc-shaped concave (53).
7. the bindiny mechanism of chair cushion according to claim 6 and rear bearing sheet, which is characterized in that in every locking tooth
The medial surface both ends of item (5) are respectively equipped with limitation protrusion (54), and raised (54) height of projection of the limitation is higher than interior double wedge
(51) height of projection.
8. the bindiny mechanism of chair cushion according to claim 6 and rear bearing sheet, which is characterized in that in locking rack gear
(5) lateral surface is equipped with and the one-to-one arc convex three (55) of the arc-shaped concave (53).
9. the bindiny mechanism of chair cushion according to claim 1 and rear bearing sheet, which is characterized in that the connector
(4) setting of there are two and interval.
10. the bindiny mechanism of chair cushion according to claim 1 and rear bearing sheet, which is characterized in that mechanism is also wrapped
It includes removable for passing through by the closed cover (6) of counterbore (22) orifice closing, between the counterbore (22) and closed cover (6)
Unload connection structure connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822127717.9U CN209450152U (en) | 2018-12-18 | 2018-12-18 | The bindiny mechanism of chair cushion and rear bearing sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822127717.9U CN209450152U (en) | 2018-12-18 | 2018-12-18 | The bindiny mechanism of chair cushion and rear bearing sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209450152U true CN209450152U (en) | 2019-10-01 |
Family
ID=68041042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822127717.9U Active CN209450152U (en) | 2018-12-18 | 2018-12-18 | The bindiny mechanism of chair cushion and rear bearing sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209450152U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109527856A (en) * | 2018-12-18 | 2019-03-29 | 浙江粤强家具科技有限公司 | The bindiny mechanism of chair cushion and rear bearing sheet |
-
2018
- 2018-12-18 CN CN201822127717.9U patent/CN209450152U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109527856A (en) * | 2018-12-18 | 2019-03-29 | 浙江粤强家具科技有限公司 | The bindiny mechanism of chair cushion and rear bearing sheet |
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