CN221044593U - Lifting structure of chair armrest - Google Patents
Lifting structure of chair armrest Download PDFInfo
- Publication number
- CN221044593U CN221044593U CN202323295909.8U CN202323295909U CN221044593U CN 221044593 U CN221044593 U CN 221044593U CN 202323295909 U CN202323295909 U CN 202323295909U CN 221044593 U CN221044593 U CN 221044593U
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- unlocking
- sliding
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- 230000001174 ascending effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
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- 238000012986 modification Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of seat armrests and discloses a lifting structure of a seat armrest, which comprises a mounting seat, a locking assembly and an armrest seat, wherein the mounting seat is provided with a guide through groove, the left side and the right side of the guide through groove are respectively provided with a plurality of positioning grooves which are arranged vertically, the upper part of each positioning groove is provided with a first guide surface which is gradually inclined or bent from bottom to top towards the direction close to the positioning groove, the locking assembly comprises a first locking block, a second locking block and a rotating shaft, the top end of the first locking block and the top end of the second locking block are respectively and rotatably sleeved on the rotating shaft, a spring is arranged between the bottom end of the first locking block and the bottom end of the second locking block, one end of the spring is fixedly connected with the first locking block, the other end of the spring is fixedly connected with the second locking block, the outer side of the bottom end of the first locking block and the outer side of the bottom end of the second locking block are respectively provided with locking parts matched with the positioning grooves, and the rotating shaft and the armrest seat are relatively and fixedly arranged. The utility model has simple operation, stable structure and smaller volume.
Description
Technical Field
The utility model relates to the technical field of seat armrests, in particular to a lifting structure of a seat armrest.
Background
The seat is a seat with a backrest and armrests, the height of the armrests on the traditional seat is fixed, so that when the height of a user is too high or too low, the arms cannot be naturally and comfortably placed on the armrests, and along with the progress of society, the comfort requirements of people on the armrests of the seat are higher and higher, the armrests of the seat are gradually developed from a fixed type to an adjustable type, in order to ensure the stability of the armrests of the seat, the existing seat armrests capable of being lifted and adjusted are generally controlled to swing and are embedded in or separated from a locking hole, thereby locking or unlocking of a lifting structure is realized, the structure is complex, and because the locking rod is arranged in a mounting seat, sufficient swing space is required to be arranged in the mounting seat, so that the size of the mounting seat is larger, the appearance is large, and the appearance is not attractive.
Disclosure of utility model
The utility model aims to solve the technical problem of providing a lifting structure of a seat armrest, which is simple and convenient to operate and stable in structure.
The utility model provides a lifting structure of a seat armrest, which comprises a mounting seat, a locking assembly and an armrest seat, wherein the mounting seat is provided with a guide through groove which is vertically arranged, the left side and the right side of the guide through groove are respectively provided with a plurality of positioning grooves which are vertically arranged, the upper part of each positioning groove is provided with a first guide surface which is gradually inclined or bent from bottom to top and is close to the direction of each positioning groove, the locking assembly comprises a first locking block, a second locking block and a rotating shaft, the top ends of the first locking block and the second locking block are respectively rotatably sleeved on the rotating shaft, a spring is arranged between the bottom ends of the first locking block and the second locking block, one end of the spring is fixedly connected with the first locking block, the other end of the spring is fixedly connected with the second locking block, the outer sides of the bottom ends of the first locking block and the second locking block are respectively provided with locking parts matched with the positioning grooves, and the rotating shaft is relatively fixedly arranged with the armrest seat.
As a preferable scheme of the utility model, the mounting seat is provided with an unlocking groove which is vertically arranged, the unlocking groove is positioned at the front side of the guiding through groove and is communicated with the guiding through groove, two sides of the unlocking groove are respectively provided with a limiting boss, an unlocking piece is arranged in the guiding through groove and comprises an unlocking rod and a sliding rod, the unlocking rod is vertically arranged, the sliding rod is vertically connected with the top end of the unlocking rod, the sliding rod is slidingly connected with the unlocking groove and is positioned above the limiting boss, the front side of the locking part is provided with an unlocking part positioned in the unlocking groove, and the outer side of the unlocking part is provided with a second guiding surface which gradually inclines inwards from bottom to top;
When the locking assembly slides to the lower limit position, the bottom surface of the sliding rod is positioned at the top of the limiting boss, and the bottom end of the unlocking rod is contacted with the top end of the second guide surface;
When the locking component slides to the upper limit position, the top surface of the sliding rod is propped against the top end of the unlocking groove, the unlocking rod is propped against the second guide surface, the second guide surface is parallel to the unlocking rod, and the locking part is separated from the positioning groove and is positioned in the guiding through groove.
As a preferable scheme of the utility model, the structure further comprises a sliding plate, wherein the sliding plate is arranged on the front side of the mounting seat and is in sliding connection with the mounting seat, the rotating shaft is fixedly connected with the sliding plate, the handrail seat is arranged on the rear side of the mounting seat, the handrail seat is fixedly connected with the sliding plate through a connecting piece, and the connecting piece penetrates through the guide through groove.
As a preferable scheme of the utility model, the mounting seat is provided with a sliding groove which is arranged vertically, the sliding groove is arranged at the front side of the guiding through groove and is communicated with the guiding through groove, and the sliding plate is arranged in the sliding groove and is in sliding connection with the sliding groove.
As a preferable scheme of the utility model, the front side of the armrest seat is provided with a sliding lug which is in sliding connection with the guide through groove, the front side of the sliding lug is provided with a fixed groove, and the rear side of the sliding plate is provided with a connecting lug which is matched with the fixed groove.
As a preferable scheme of the utility model, a first mounting groove is formed in the inner side of the first locking block, a second mounting groove is formed in the inner side of the second locking block, one end of the spring is arranged in the first mounting groove, and the other end of the spring is arranged in the second mounting groove.
Compared with the prior art, the lifting structure of the seat armrest has the beneficial effects that: under normal state, the locking part of the first locking block and the locking part of the second locking block are respectively embedded into the positioning groove, under the cooperation of the locking part and the positioning groove, the locking assembly cannot rise or fall at will, and the rotating shaft and the armrest seat are relatively fixed, so that the armrest seat is in a locking state; according to the embodiment, the lifting adjustment of the armrest seat can be realized only by lifting the armrest seat, the operation is simple and convenient, the first locking block and the second locking block are required to rotate inwards, the descending adjustment of the armrest seat can be realized only after the locking part is separated from the positioning groove, the armrest seat is prevented from being accidentally stressed to descend, the structure is stable, the swinging space is not required to be reserved in the installation seat, and the size of the installation seat is smaller.
Drawings
FIG. 1 is a block diagram of the present utility model;
FIG. 2 is an exploded view of the present utility model;
FIG. 3 is a block diagram of the connection of the slide plate to the locking assembly of the present utility model;
FIG. 4 is a block diagram of a pilot channel of the present utility model;
FIG. 5 is a block diagram of the locking assembly of the present utility model in a lower limit position;
FIG. 6 is a block diagram of the locking assembly of the present utility model in an upper limit position;
FIG. 7 is a block diagram of the slide bar of FIG. 5 lowered to the top of the limit boss;
In the figure, 1, a mounting seat; 11. a guide through groove; 12. a positioning groove; 121. a first guide surface; 13. unlocking grooves; 131. a limit boss; 14. a sliding groove; 2. a locking assembly; 21. a first locking block; 211. a first mounting groove; 22. a second locking block; 221. a second mounting groove; 23. a rotating shaft; 24. a spring; 25. a locking part; 26. an unlocking part; 261. a second guide surface; 3. a handrail seat; 31. a sliding bump; 311. a fixing groove; 4. an unlocking member; 41. unlocking the rod; 42. a slide bar; 5. a sliding plate; 51. and connecting the convex blocks.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1-7, the lifting structure of a seat armrest according to the preferred embodiment of the utility model comprises a mounting seat 1, a locking assembly 2 and an armrest seat 3, wherein the mounting seat 1 is provided with a guide through groove 11 which is vertically arranged, a plurality of positioning grooves 12 which are vertically arranged are respectively arranged on the left side and the right side of the guide through groove 11, a first guide surface 121 which is gradually inclined or bent from bottom to top towards the direction close to the positioning groove 12 is arranged on the upper part of the positioning groove 12, the locking assembly 2 comprises a first locking block 21, a second locking block 22 and a rotating shaft 23, the rotating shaft 23 can lift relative to the guide through groove 11, the top end of the first locking block 21 and the top end of the second locking block 22 are respectively rotatably sleeved on the rotating shaft 23, a spring 24 is arranged between the bottom end of the first locking block 21 and the bottom end of the second locking block 22, generally, one end of the spring 24 is fixedly connected with the first locking block 21, the other end of the spring 24 is fixedly connected with the second locking block 22, the bottom end of the first locking block 21 and the bottom end of the second locking block 22 are respectively, the outer side 25 is matched with the side surface 25 of the fixing seat 12, and the side surface 25 is embedded in the side surface of the fixing seat 23, and the fixing seat 25 is directly arranged on the side surface of the fixing seat 23, and the fixing seat 25 is matched with the bottom surface of the side surface of the armrest seat 23, and the fixing seat 25.
The working principle of the embodiment is as follows: under normal conditions, the locking parts 25 of the first locking block 21 and the locking parts 25 of the second locking block 22 are respectively embedded into the positioning groove 12, at this time, the first locking block 21 and the second locking block 22 are arranged in an eight shape, the inner side of the first locking block 21 is close to one side of the second locking block 22, the inner side of the second locking block 22 is close to one side of the first locking block 21, the outer side of the first locking block 21 is far from one side of the second locking block 22, the outer side of the second locking block 22 is far from one side of the first locking block 21, the locking assembly 2 cannot be lifted or lowered at will under the cooperation of the locking parts 25 and the positioning groove 12, and the rotating shaft 23 and the armrest seat 3 are relatively fixed, so that the armrest seat 3 is in a locking state, and the armrest seat can be kept at a preset height when in use; when the armrest seat 3 needs to be adjusted by ascending, the armrest seat 3 is lifted upwards, at the moment, the spring 24 is gradually compressed under the guide of the first guide surface 121, the first locking block 21 and the second locking block 22 gradually rotate inwards and ascend, the locking part 25 gradually breaks away from the positioning groove 12 until the locking part 25 ascends and is embedded into the last positioning groove 12 (compared with the initial positioning groove 12), and at the moment, the locking part 25 is re-embedded into the positioning groove 12 under the elastic force of the spring 24, so that the armrest seat 3 is restored to the locking state; when the armrest seat 3 needs to be lowered and adjusted, the first locking block 21 and the second locking block 22 need to be rotated inwards (for example, a push rod capable of pushing the locking part 25 to move inwards is arranged on the outer side of each positioning groove 12 (i.e. the side far away from the guiding through groove 11), so that the locking assembly 2 can drive the armrest seat 3 to be lowered after the locking part 25 is separated from the positioning groove 12; namely, in this embodiment, only the armrest seat 3 needs to be lifted up to realize the ascending adjustment of the armrest seat 3, the operation is simple and convenient, and the first locking block 21 and the second locking block 22 must be rotated inwards, so that the descending adjustment of the armrest seat 3 can be realized only after the locking portion 25 is separated from the positioning groove 12, thereby preventing the armrest seat 3 from being accidentally stressed to descend, the structure is stable, no swing space is required to be reserved in the mounting seat 1, and the size of the mounting seat 1 is smaller.
The mounting seat 1 is provided with an unlocking groove 13 vertically arranged, the unlocking groove 13 is positioned at the front side of the guiding through groove 11 and is communicated with the guiding through groove 11, limiting bosses 131 are respectively arranged at two sides of the unlocking groove 13, an unlocking piece 4 is arranged in the guiding through groove 11, the unlocking piece 4 comprises an unlocking rod 41 and a sliding rod 42, the unlocking rod 41 is vertically arranged, the sliding rod 42 is vertically connected with the top end of the unlocking rod 41, the sliding rod 42 is slidably connected with the unlocking groove 13 and is positioned above the limiting bosses 131, an unlocking part 26 positioned in the unlocking groove 13 is arranged at the front side of the locking part 25, and a second guiding surface 261 which gradually inclines inwards from bottom to top is arranged at the outer side of the unlocking part 26;
When the locking assembly 2 slides to the lower limit position, the bottom surface of the sliding rod 42 is positioned at the top of the limit boss 131, and the bottom end of the unlocking rod 41 is in contact with the top end of the second guide surface 261;
When the locking assembly 2 slides to the upper limit position, the top surface of the sliding rod 42 abuts against the top end of the unlocking groove 13, the unlocking rod 41 abuts against the second guiding surface 261, the second guiding surface 261 is parallel to the unlocking rod 41, and the locking portion 25 is separated from the positioning groove 12 and is located in the guiding through groove 11.
As shown in fig. 4, when the armrest seat 3 is adjusted to be lifted, the locking assembly 2 drives the unlocking piece 4 to lift together, when the sliding rod 42 is lifted to be propped against the top end of the unlocking groove 13, the unlocking piece 4 cannot lift continuously, the locking assembly 2 can lift continuously, at the moment, under the action of the second guide surface 261, the spring 24 is gradually compressed, the first locking block 21 and the second locking block 22 rotate inwards and lift gradually until the locking assembly 2 rises to the upper limit position, at the moment, the unlocking rod 41 is parallel to and propped against the unlocking part 26, the locking part 25 is separated from the positioning groove 12 and is positioned in the guide through groove 11, as shown in fig. 5, at the moment, the locking assembly 2 can descend, and under the action of the elasticity of the spring 24, the locking part 25 is kept propped against the unlocking rod 41, the locking assembly 2 can drive the unlocking piece 4 to descend until the sliding rod 42 is arranged at the top of the limiting boss 131, as shown in fig. 6, at the moment, the unlocking piece 4 cannot descend continuously, the locking assembly 2 can descend continuously, the first locking block 21 and the second locking block 22 descend gradually, and the locking assembly 22 rotate downwards until the locking assembly 2 is positioned at the upper limit position, and the locking part 2 is in the initial position, and the initial position is restored to be in the state of being locked by the positioning seat 2, and the locking assembly 2 is lifted to be in the position, and is in the position of being locked by the positioning groove 2, and is restored to the position, and is in the state of being locked by the positioning groove 2. In summary, when the locking assembly 2 is at the lower limit position, the armrest seat 3 is lifted upwards, so that the armrest seat 3 can be adjusted upwards; when the armrest seat 3 needs to be lowered and adjusted, the armrest seat 3 is lifted up to enable the locking assembly 2 to slide to the upper limit position, the locking assembly 2 can be lowered at the moment, the armrest seat 3 is lowered until the locking assembly 2 slides to the lower limit position, and finally the armrest seat 3 is raised again to enable the armrest seat to reach the required height.
The present structure further includes a sliding plate 5, where the sliding plate 5 is disposed on the front side of the mounting seat 1 and is slidably connected with the mounting seat 1, the rotating shaft 23 is fixedly connected with the sliding plate 5, the handrail seat 3 is disposed on the rear side of the mounting seat 1, the handrail seat 3 is fixedly connected with the sliding plate 5 through a connecting piece (shown in the figure, such as a bolt) which passes through the guiding through groove 11, and it is understood that the connecting piece can rise or fall relative to the guiding through groove 11, and the rotating shaft 23, the sliding plate 5, the connecting piece and the handrail seat 3 are connected into a whole and can rise or fall together.
The mounting seat 1 is provided with a sliding groove 14 arranged vertically, the sliding groove 14 is arranged on the front side of the guide through groove 11 and is communicated with the guide through groove 11, the sliding plate 5 is arranged in the sliding groove 14 and is in sliding connection with the sliding groove 14, sliding connection between the sliding plate 5 and the mounting seat 1 is achieved, meanwhile, the sliding plate 5 is embedded in the mounting seat 1, the structure is compact, and the whole size is small.
Illustratively, the front side of the armrest seat 3 is provided with a sliding bump 31 slidably connected with the guiding through slot 11, the front side of the sliding bump 31 is provided with a fixing slot 311, the rear side of the sliding plate 5 is provided with a connecting bump 51 matched with the fixing slot 311, and the arrangement of the sliding bump 31 ensures that the armrest seat 3 can slide along the guiding through slot 11, and the connecting bump 51 is matched with the fixing slot 311 to facilitate the positioning connection of the sliding bump 31 and the connecting bump 51.
Illustratively, the first locking block 21 is provided with a first mounting groove 211 on the inner side, the second locking block 22 is provided with a second mounting groove 221 on the inner side, one end of the spring 24 is disposed in the first mounting groove 211, the other end of the spring 24 is disposed in the second mounting groove 221, and when the first locking block 21 and the second locking block 22 rotate inwards, the spring 24 is compressed and then is basically accommodated in the first mounting groove 211 and the second mounting groove 221, as shown in fig. 7, the structure is compact, and the overall size of the structure is reduced.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.
Claims (6)
1. A lifting structure of a seat armrest, which is characterized in that: including mount pad, locking assembly and handrail seat, the mount pad is equipped with the direction logical groove of vertical setting, the left side and the right side of direction logical groove are equipped with a plurality of constant head tanks of following vertical arrangement respectively, the upper portion of constant head tank is equipped with gradually from bottom to top towards being close to the direction slope of constant head tank or crooked first guide surface, locking assembly includes first locking piece, second locking piece and pivot, the top of first locking piece and the top of second locking piece rotationally overlap respectively and establish in the pivot, the bottom of first locking piece with be equipped with the spring between the bottom of second locking piece, the one end of spring with first locking piece fixed connection, the other end of spring with second locking piece fixed connection, the bottom outside of first locking piece and the bottom outside of second locking piece be equipped with respectively with constant head tank complex locking part, the pivot with handrail seat is fixed relatively.
2. The lifting structure of a seat armrest according to claim 1, wherein: the mounting seat is provided with an unlocking groove which is vertically arranged, the unlocking groove is positioned at the front side of the guiding through groove and is communicated with the guiding through groove, limiting bosses are respectively arranged at two sides of the unlocking groove, an unlocking piece is arranged in the guiding through groove and comprises an unlocking rod and a sliding rod, the unlocking rod is vertically arranged, the sliding rod is vertically connected with the top end of the unlocking rod, the sliding rod is in sliding connection with the unlocking groove and is positioned above the limiting bosses, an unlocking part which is positioned in the unlocking groove is arranged at the front side of the locking part, and a second guiding surface which gradually inclines inwards from bottom to top is arranged at the outer side of the unlocking part;
When the locking assembly slides to the lower limit position, the bottom surface of the sliding rod is positioned at the top of the limiting boss, and the bottom end of the unlocking rod is contacted with the top end of the second guide surface;
When the locking component slides to the upper limit position, the top surface of the sliding rod is propped against the top end of the unlocking groove, the unlocking rod is propped against the second guide surface, the second guide surface is parallel to the unlocking rod, and the locking part is separated from the positioning groove and is positioned in the guiding through groove.
3. The lifting structure of a seat armrest according to claim 1, wherein: still include the sliding plate, the sliding plate is located the front side of mount pad, and with mount pad sliding connection, the pivot with sliding plate fixed connection, the handrail seat is located the rear side of mount pad, the handrail seat pass through the connecting piece with sliding plate fixed connection, the connecting piece passes the direction leads to the groove.
4. A lifting structure of a chair armrest according to claim 3, wherein: the mounting seat is provided with a sliding groove which is vertically arranged, the sliding groove is arranged on the front side of the guide through groove and is communicated with the guide through groove, and the sliding plate is arranged in the sliding groove and is in sliding connection with the sliding groove.
5. A lifting structure of a chair armrest according to claim 3, wherein: the front side of the armrest seat is provided with a sliding lug which is in sliding connection with the guide through groove, the front side of the sliding lug is provided with a fixed groove, and the rear side of the sliding plate is provided with a connecting lug matched with the fixed groove.
6. The lifting structure of a seat armrest according to claim 1, wherein: the inner side of the first locking block is provided with a first mounting groove, the inner side of the second locking block is provided with a second mounting groove, one end of the spring is arranged in the first mounting groove, and the other end of the spring is arranged in the second mounting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323295909.8U CN221044593U (en) | 2023-12-04 | 2023-12-04 | Lifting structure of chair armrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323295909.8U CN221044593U (en) | 2023-12-04 | 2023-12-04 | Lifting structure of chair armrest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221044593U true CN221044593U (en) | 2024-05-31 |
Family
ID=91204480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323295909.8U Active CN221044593U (en) | 2023-12-04 | 2023-12-04 | Lifting structure of chair armrest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221044593U (en) |
-
2023
- 2023-12-04 CN CN202323295909.8U patent/CN221044593U/en active Active
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