CN113925312B - Height adjustment structure - Google Patents
Height adjustment structure Download PDFInfo
- Publication number
- CN113925312B CN113925312B CN202010666745.7A CN202010666745A CN113925312B CN 113925312 B CN113925312 B CN 113925312B CN 202010666745 A CN202010666745 A CN 202010666745A CN 113925312 B CN113925312 B CN 113925312B
- Authority
- CN
- China
- Prior art keywords
- outer sleeve
- seat
- pull rod
- height adjustment
- adjustment structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/54—Supports for the arms
- A47C7/541—Supports for the arms of adjustable type
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/62—Accessories for chairs
- A47C7/68—Arm-rest tables ; or back-rest tables
Landscapes
- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
本发明提供一种高度调整结构，供配合家具或办公家具如椅扶手使用，其包含一固定座、一外套筒及一拉杆；其中当驱动该拉杆的一驱动部以同步驱动该拉杆上的一卡掣块调整移动时，该卡掣块即会脱离该固定座上的其中一卡槽而形成解锁状态，此时该固定座保持不动，该外套筒即能相对于该固定座进行上下向调整移动；其中该外套筒的上下向调整移动的动程包含一最高点及一最低点，而该固定座或该固定座的固定位置是介于该外套筒的动程的该最高点及该最低点之间，因此该外套筒能对该固定座产生适当的遮蔽效果而以增进该家具的时尚美感及价值感。
The present invention provides a height adjustment structure for use with furniture or office furniture such as chair armrests, which includes a fixed seat, an outer sleeve and a pull rod; when a driving part of the pull rod is driven to synchronously drive a latch block on the pull rod to adjust and move, the latch block will disengage from one of the slots on the fixed seat to form an unlocked state, at which time the fixed seat remains stationary, and the outer sleeve can be adjusted and moved up and down relative to the fixed seat; the range of the up and down adjustment movement of the outer sleeve includes a highest point and a lowest point, and the fixed seat or the fixed position of the fixed seat is between the highest point and the lowest point of the range of the outer sleeve, so that the outer sleeve can produce an appropriate shielding effect on the fixed seat to enhance the fashion beauty and value of the furniture.
Description
Technical Field
The present invention relates to a height adjusting structure, and more particularly to a height adjusting structure capable of being used with furniture or office furniture such as chair armrests and producing proper shielding effect to enhance the fashion aesthetic feeling and the value of the furniture.
Background
Referring to fig. 25, a height adjusting structure 1a for furniture or office furniture according to the prior art is illustrated and described herein as a chair armrest, and generally comprises a sliding seat 10a, an outer sleeve 20a and a fixing member 30a, wherein the sliding seat 10a is fixedly arranged on the fixing member 30a, the outer sleeve 20 is slidably sleeved outside the sliding seat 10a, the fixing member 30a is mounted on the left or right side of a seat 4b of a chair 4 (i.e. furniture or office furniture in this case), wherein the sliding seat 10a and the fixing member 30a are kept stationary when the height of the outer sleeve 20a is to be adjusted (i.e. the height of the chair armrest 2), and the outer sleeve 20a can be adjusted up and down relative to the sliding seat 10a and the fixing member 30a, so that the chair armrest or table and other objects mounted on the outer sleeve 20a can be adjusted up and down along with each other.
However, when viewed from the left and right sides of the chair 4 (i.e., furniture or office furniture in this case), the height adjusting structure 1a is obviously in a two-section structure with an outer sleeve 20a and a fixing member 30a, and the fixing member 30a is exposed to the outside for viewing, which relatively affects or detracts from the fashion aesthetic feeling and value of the furniture (e.g., chair 4), and even affects the consumer's desire to purchase.
Disclosure of Invention
The main objective of the present invention is to provide a height adjusting structure for furniture or office furniture such as chair armrests, wherein when a user drives a driving part to synchronously drive a locking block on a pull rod to adjust and move, an outer sleeve can adjust and move up and down relative to a fixed seat, wherein when the outer sleeve straightens and moves up and down relative to the fixed seat, the moving path of the outer sleeve adjusting and moving up and down comprises a highest point and a lowest point, and at this time, the fixed position of the fixed seat or the fixed seat is between the height ranges of the highest point and the lowest point of the moving path of the outer sleeve, so that the outer sleeve can generate proper shielding effect on the fixed position of the fixed seat or the fixed seat, and the fashion and the value sense of the furniture are relatively improved.
The invention discloses a height adjusting structure for achieving the purpose, which comprises a fixing seat, an outer sleeve and a pull rod, wherein the fixing seat is provided with a clamping groove part, a rail groove part and a fixing part, the clamping groove part is provided with a plurality of clamping grooves which are vertically arranged at intervals and are communicated, the fixing part is used for being installed and fixed at a fixed position on one side edge of furniture or office furniture, the outer sleeve is connected with the outside of the fixing seat and can slide up and down along the rail groove part, the outer sleeve is provided with a bearing seat, an operating window and a sliding seat, the bearing seat is positioned at the top end of the outer sleeve, the operating window is positioned on one side edge of the outer sleeve and communicated with the inner part of the outer sleeve, the sliding seat is positioned in the outer sleeve, the pull rod can be vertically and slidingly accommodated in the sliding seat of the outer sleeve, the pull rod is provided with a driving part, an elastic piece seat and a clamping block, the driving part extends from the top end of the pull rod and protrudes out of the outer sleeve for a user to operate, the elastic piece is arranged in the outer sleeve seat, the clamping part is provided with an elastic piece, the clamping part is positioned at the elastic piece, the clamping part can be adjusted to move synchronously relative to the upper positioning groove and lower positioning groove, and the upper positioning groove can be released when the fixing seat is formed, and the upper positioning groove is adjusted, and lower positioning groove can be adjusted, and the upper positioning groove can be moved relative to the fixing seat, the locking block can be locked in the other clamping groove in the clamping groove part on the fixed seat by virtue of the restoring force of the elastic piece and returns to a locking state, wherein when the outer sleeve performs upward and downward adjusting movement relative to the fixed seat, the upward and downward adjusting movement range of the outer sleeve comprises a highest point and a lowest point, and at the moment, the fixed position of the fixed seat or the fixed seat is in the height range of the highest point and the lowest point of the movement range of the outer sleeve.
In a preferred embodiment of the invention, two opposite side edges of the lower end of the pull rod are respectively provided with a corresponding oblique guide groove which extends outwards and downwards obliquely, wherein a sliding wing is respectively formed on the left side and the right side of the clamping block in a protruding mode, and the two sliding wings are respectively limited in the two oblique guide grooves of the pull rod and can relatively move along the oblique guide grooves, so that the upward and downward displacement of the pull rod can be converted into the transverse displacement of the clamping block.
In a preferred embodiment of the present invention, a spacer is further disposed on the pull rod for covering the elastic member seat and between the sliding seat and the clamping groove, the spacer has a guiding hole for the clamping block to penetrate, and when the vertical displacement of the pull rod is converted into the lateral displacement of the clamping block, the guiding hole can limit the clamping block in the guiding hole for lateral displacement.
In a preferred embodiment of the present invention, the elastic member is further a spring, wherein an upper spring mounting portion is provided on the sliding seat, wherein a lower spring mounting portion is further provided on the elastic member seat corresponding to the upper spring mounting portion, and wherein the elastic member is disposed between the upper spring mounting portion and the lower spring mounting portion.
In a preferred embodiment of the present invention, the outer sleeve further comprises a covering member disposed on a side of the outer sleeve for covering the pull rod, the covering member is formed by integrally fastening a first shielding plate and a second shielding plate, the first shielding plate is disposed on the pull rod and has a first long slot with a downward notch, the second shielding plate is disposed on the first shielding plate and has a second long slot with a downward notch, the first long slot corresponds to the second long slot, and the first long slot and the second long slot of the covering member can be connected to the rail slot for sliding up and down.
In a preferred embodiment of the present invention, the driving portion is located at the top of the pull rod, wherein the top of the outer sleeve further comprises a sliding space adjacent to the operation window, and when the driving portion is driven by a user to synchronously drive the locking block on the pull rod to adjust movement, the driving portion moves into the sliding space.
In a preferred embodiment of the present invention, a plurality of anti-shake members are disposed on an outer edge of the fixing base for being abutted between the fixing base and the sliding base.
In a preferred embodiment of the present invention, the driving portion of the pull rod is detachably disposed on the pull rod.
In a preferred embodiment of the present invention, the fixing portion of the fixing seat is a long and narrow fixture block, wherein the furniture or office furniture is a chair, the chair has a back and a seat, and the height adjusting structure is further combined on the side edge of the back of the chair by means of the fixing portion being inclined at an angle.
In a preferred embodiment of the present invention, the bearing seat of the outer sleeve is combined with a handrail or a table.
Compared with the prior art, the invention can lead the outer sleeve to generate proper shielding effect on the fixed seat so as to improve the fashion aesthetic feeling and the value sense of the furniture.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention.
Fig. 2 is a schematic side plan view of fig. 1.
Figure 3 is a schematic view of the present invention used in a chair and combined with armrests and a table.
Figure 4 is a schematic side plan view of the present invention as applied to a chair.
Fig. 5 is a schematic side plan view of the sleeve of fig. 4 after upward adjustment movement.
Fig. 6 is an exploded perspective view of a view of the present invention.
Fig. 7 is an exploded perspective view of another view of the present invention.
Fig. 8 is a perspective view of the tie rod of the present invention.
Fig. 9 is an exploded perspective view of the tie rod of the present invention coupled to an outer sleeve.
Fig. 10 is a schematic perspective view of the combination of fig. 9.
Fig. 11 is a schematic side cross-sectional view of fig. 10.
Fig. 12 is an exploded perspective view of a partially enlarged spacer assembly of the present invention on a tie rod.
Fig. 13 is a schematic perspective view of the combination of fig. 12.
Fig. 14 is an exploded perspective view of the fixing base of the present invention combined with the cover.
Fig. 15 is an exploded perspective view of the fixing base and the cover combined with the outer sleeve according to the present invention.
Fig. 16 is a combined perspective view of the fixing base and the cover combined with the outer sleeve according to the present invention.
Fig. 17 is a schematic plan view of the present invention tilted at an angle.
Fig. 18 is a schematic cross-sectional view of fig. 17.
Fig. 19 is a partial side plan view schematic of fig. 10.
Fig. 20 is a schematic view of the outer sleeve of fig. 17 slid upward.
Fig. 21 is a schematic cross-sectional view of fig. 20.
Fig. 22 is a schematic view of the tie rod of fig. 19 being actuated.
FIG. 23 is a schematic side plan view of the outer sleeve of the present invention moved to its lowest point in its travel.
FIG. 24 is a schematic side plan view of the outer sleeve of the present invention moved to its highest point in its travel.
Fig. 25 is a schematic perspective view of an embodiment in the prior art.
The reference numerals indicate a-fixed position, H-highest, L-lowest, 1-height adjustment structure, 10-fixed seat, 11-slot part, 111-slot, 12-rail groove part, 13-fixed part, 14-sway stop, 20-outer sleeve, 21-bearing seat, 22-operating window, 23-slide, 231-upper spring mounting part, 24-covering part, 241-first shutter, 2411-first long slot, 242-second shutter, 2421-second long slot, 25-sliding space, 30-pull rod, 31-driving part, 32-elastic part seat, 321-lower spring mounting part, 33-spacer, 331-guide hole, 34-clamping block, 341-sliding wing, 35-elastic part, 36-oblique sliding hole, 1 a-height adjustment structure, 10 a-slide seat, 20 a-30 a-fixed part, 2-slide, 3-table plate, 4-chair, outer sleeve 4 a-chair back, 4 b-seat.
Detailed Description
The following detailed description of the structure and technical features of the present invention is provided with reference to the drawings, wherein each drawing is only for illustrating the structural relationship and related functions of the present invention, and thus the dimensions of each element in each drawing are not drawn to actual scale and are not intended to limit the present invention.
The height adjusting structure of the present invention is used in conjunction with furniture or office furniture (such as chairs), so the direction of "left and right" mentioned in the following disclosure is in terms of the direction of the sitting person of the chair. As shown in fig. 3 to 5, the furniture or office furniture is illustrated here by way of example and not limitation as an office chair 4, the chair 4 having a back 4a and a seat 4b.
The height adjusting structure 1 of the present embodiment is used in conjunction with the side of the backrest 4a of the chair 4 as shown in fig. 3 to 5, and when a user sits on the seat 4b of the chair 4, the height adjusting structure 1 on the left and right sides can be easily operated to adjust the height, and the height adjusting structure 1 comprises a fixing seat 10, an outer sleeve 20 and a pull rod 30.
The fixing base 10 has a slot 11, a rail groove 12 and a fixing portion 13 as shown in fig. 6 and 7, the slot 11 has a plurality of slots 111 which are vertically spaced apart and are connected to each other as shown in fig. 14 and 16, and in this embodiment, the fixing portion 13 is a long and narrow clip (but not limited to) for being inserted into and fixed at a fixing position a on one side of the backrest 4a of the chair 4 as shown in fig. 4 and 5. In the present embodiment, the fixing portion 13 is completely embedded and hidden in the fixing position a without being exposed but not limited thereto.
The height adjusting structure 1 is further combined on the side of the backrest 4a of the chair 4 by the fixing portion 13 at an inclined angle as shown in fig. 3 to 5, so as to match the bending curve of the backrest 4a to show the aesthetic feeling and the value of the fashion design of the chair 4.
The outer sleeve 20 is connected to the outside of the fixing base 10 and can slide up and down along the rail groove 12 as shown by arrow a in fig. 1 and arrow B in fig. 2, the outer sleeve 20 has a bearing seat 21, an operation window 22, a sliding seat 23, a shutter 24 and a sliding space 25 as shown in fig. 6 and 7, the bearing seat 21 is located at the top end of the outer sleeve 20 for being combined with a handrail 2 or a table 3 as shown in fig. 1 to 3, the operation window 22 is located at one side edge of the outer sleeve 20 and communicates with the inside of the outer sleeve 20 as shown in fig. 6, 7 and 9 to 11, the sliding seat 23 is located inside the outer sleeve 20 and is provided with an upper spring mounting portion 231 as shown in fig. 9 to 11, the covering member 24 is located at one side edge of the outer sleeve 20 for covering the pull rod 30 as shown in fig. 6, 7 and 15, the sliding space 25 is located inside the top of the outer sleeve 20 and adjacent to the operation window 22 as shown in fig. 9 to 11.
The cover 24 is formed by integrally fastening a first cover 241 and a second cover 242, wherein the first cover 241 is locked on the slide base 23 by means of screws and covers the pull rod 30 so that the related structure of the pull rod 30 is not exposed, the first cover 241 is provided with a first slot 2411 with a downward notch, the second cover 242 is locked on the first cover 241 by means of hooks and covers the first cover 241 so as to cover the screws on the first cover 241 and the related structure on the slide base 23 for keeping simple and attractive appearance, and the second cover 242 is provided with a second slot 2421 with a downward notch, wherein the first slot 2411 corresponds to the second slot 2421, and the first slot 2411 and the second slot 2421 can be connected on the rail groove 12 together (as shown in fig. 6, 7, 14 to 16) to slide up and down.
In addition, a plurality of anti-shake members 14 are provided on the outer edge of the fixed seat 10 to abut between the fixed seat 10 and the sliding seat 23, but not limited to, as shown in fig. 6, 7 and 15, for maintaining the stability (approximately damping effect) of the outer sleeve 20 when sliding up and down.
The pull rod 30 is slidably received in the sliding seat 23 of the outer sleeve 20 up and down as shown in fig. 10 to 13, the pull rod 30 has a driving portion 31, an elastic member seat 32, a spacer 33, a locking block 34, an elastic member 35 and an inclined guiding slot 36, but not limited as shown in fig. 6 to 8, the driving portion 31 extends from the top end of the pull rod 30 and protrudes outside the operation window 22 of the outer sleeve 20 for the user to operate as shown in fig. 10, 11, 19 and 22, the driving portion 31 is detachably mounted on the pull rod 30 as shown in fig. 9 to facilitate the installation and the acceleration of the production, a lower spring mounting portion 321 corresponding to the upper spring mounting portion 231 is further provided in the elastic member seat 32, but not limited as shown in fig. 6, 9 to 11, the spacer 33 is provided to cover the elastic member seat 32 and is interposed between the sliding seat 23 and the locking slot portion 11, but not limited as shown in fig. 18 and 21, the left and right sides of the locking block 34 are respectively formed with a wing 341 protruding as shown in fig. 6, 7 and 9, the elastic member 35 is not limited as shown in fig. 7 and the inclined guiding slot 36 extends obliquely downwards as shown in fig. 7 and the two opposite sides of the upper spring mounting portion 36 is further provided in the inclined direction, and the upper spring mounting portion 36 is provided in the elastic member seat 32 corresponding to the upper spring mounting portion 231 is not limited as shown in fig. 6, and the inclined guiding slot 36 is not limited as shown in fig. 8; as shown in fig. 18, 19, 21 to 24, the pull rod 30 makes the locking block 34 able to be locked into one of the locking slots 111 in the locking slot 11 on the fixing base 10 by virtue of the elastic force of the elastic member 35, so that the bearing seat 21 of the outer sleeve 20 is positioned at a height position corresponding to the locking slot 111.
Referring to fig. 10, 11 and 22, when the user drives the driving portion 31 (as indicated by arrow E in fig. 20, arrow H in fig. 21 and arrow I in fig. 22) to synchronously drive the locking block 34 on the pull rod 30 for adjustment movement (as indicated by arrow F in fig. 21), the driving portion 31 moves into the sliding space 25 as shown in fig. 22.
Referring to fig. 17, 18, 20 and 21, the two sliding wings 341 are respectively limited in the two inclined guiding grooves 36 of the pull rod 30 and can move relatively along each inclined guiding groove 36 (as indicated by arrow C in fig. 20), so that the upward and downward displacement of the pull rod 30 can be converted into the lateral displacement of the locking block 34 as indicated by arrow F in fig. 21.
The spacer 33 has a guide hole 331 for the insertion of the locking block 34, and when the vertical displacement of the pull rod 30 (as shown by arrow E in fig. 20 and arrow H in fig. 21) is converted into the lateral displacement of the locking block 34 (as shown by arrow F in fig. 21), the guide hole 331 can limit the locking block 34 in the guide hole 331 for lateral displacement as shown in fig. 21, so that the locking block 34 can stably and accurately enter each of the locking grooves 111.
Referring to fig. 10 and 11, the elastic member 35 is disposed between the upper spring mounting portion 231 and the lower spring mounting portion 321.
When the user drives the driving portion 31 (as shown by arrow E in fig. 20, arrow H in fig. 21, and arrow I in fig. 22) to synchronously drive the locking piece 34 on the pull rod 30 to adjust movement (as shown by arrow F in fig. 21), the locking piece 34 is disengaged from one of the locking grooves 111 in the locking groove portion 11 on the fixing base 10 to form an unlocked state as shown in fig. 20 to 22, and at this time, the fixing base 10 is kept stationary, and the outer sleeve 20 and the pull rod 30 can adjust upward and downward relative to the fixing base 10 as shown by arrow D in fig. 20 and arrow G in fig. 21.
After the outer sleeve 20 and the pull rod 30 move up and down, the user releases the driving portion 31, and at this time, the locking block 34 can be locked into the other locking groove 111 in the locking groove 11 on the fixing base 10 by the restoring force of the elastic member 35 and returns to the locking state as shown in fig. 18 and 19.
Referring to fig. 4, 5, 23 and 24, when the outer sleeve 20 moves up and down relative to the fixed seat 10, as shown by arrow K in fig. 5 and arrow J in fig. 24, the movement path of the outer sleeve 20 includes a highest point H (shown in fig. 24) and a lowest point L (shown in fig. 23), and the fixed seat 10 or the fixed position a (shown in fig. 4 and 5) is located in the height range of the highest point H and the lowest point L of the movement path of the outer sleeve 20, as shown in fig. 23 and 24.
Compared with the prior art, the invention has the following advantages:
(1) When the outer sleeve 20 of the present invention moves up and down relative to the fixed seat 10 (as shown by arrow J in fig. 24), the fixed seat 10 or the fixed position a (as shown in fig. 4 and 5) is located in the height range of the highest point H and the lowest point L of the travel of the outer sleeve 20, as shown in fig. 23 and 24, the fixed seat 10 of the height adjusting structure 1 is not exposed from the left and right sides of the chair 4, so that the outer sleeve can provide a proper shielding effect to the fixed seat, thereby enhancing the fashion aesthetic feeling and the value of the furniture, and being beneficial to enhancing the market competitiveness of the furniture.
(2) The height adjusting structure 1 of the present invention can be fixed on the chair 4 by a one-section structure (the fixing seat 10) to adjust the vertical movement, and the two-section structure (as shown in fig. 25) of a sliding seat 10a and a fixing piece 30a is not needed in the prior art, which is beneficial to saving the manufacturing cost.
The above description is illustrative of the invention and is not to be construed as limiting, and it will be understood by those skilled in the art that many modifications, variations or equivalents may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010666745.7A CN113925312B (en) | 2020-07-13 | 2020-07-13 | Height adjustment structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010666745.7A CN113925312B (en) | 2020-07-13 | 2020-07-13 | Height adjustment structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113925312A CN113925312A (en) | 2022-01-14 |
| CN113925312B true CN113925312B (en) | 2025-05-30 |
Family
ID=79273362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010666745.7A Active CN113925312B (en) | 2020-07-13 | 2020-07-13 | Height adjustment structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113925312B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM477836U (en) * | 2013-12-26 | 2014-05-11 | Atec Internat Team Co Ltd | Structure of adjusting mechanism for armrest |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8328285B2 (en) * | 2011-01-12 | 2012-12-11 | Fuh Shyan Co., Ltd. | Adjustment structure for chair armrest |
| CN209995723U (en) * | 2019-03-18 | 2020-01-31 | 赖育山 | Height adjusting structure of armrest |
-
2020
- 2020-07-13 CN CN202010666745.7A patent/CN113925312B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM477836U (en) * | 2013-12-26 | 2014-05-11 | Atec Internat Team Co Ltd | Structure of adjusting mechanism for armrest |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113925312A (en) | 2022-01-14 |
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