CN113197454A - Chair with detachable seat - Google Patents
Chair with detachable seat Download PDFInfo
- Publication number
- CN113197454A CN113197454A CN202110596058.7A CN202110596058A CN113197454A CN 113197454 A CN113197454 A CN 113197454A CN 202110596058 A CN202110596058 A CN 202110596058A CN 113197454 A CN113197454 A CN 113197454A
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- chair
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- rod
- plate
- rods
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- 230000002146 bilateral effect Effects 0.000 claims abstract description 6
- 238000003780 insertion Methods 0.000 claims description 20
- 230000037431 insertion Effects 0.000 claims description 20
- 238000009434 installation Methods 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 10
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 235000004443 Ricinus communis Nutrition 0.000 description 2
- 240000000528 Ricinus communis Species 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 241001456553 Chanodichthys dabryi Species 0.000 description 1
- 208000004350 Strabismus Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 208000001491 myopia Diseases 0.000 description 1
- 230000004379 myopia Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
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Classifications
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- 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
- A47C7/002—Chair or stool bases
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
- A47C3/20—Chairs or stools with vertically-adjustable seats
-
- 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
- A47C7/36—Support for the head or the back
- A47C7/40—Support for the head or the back for the back
- A47C7/402—Support for the head or the back for the back adjustable in height
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- Special Chairs (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
The invention discloses a chair, which comprises a base, a supporting component, a chair back and a chair seat, wherein the base is provided with a support part; the lower end of the supporting component is fixedly connected to the base, the supporting component comprises two chair rods, a sliding seat used for installing a chair back or a chair seat is arranged between the two chair rods, and two sides of the sliding seat are arranged on the chair rods in a sliding mode; the bottoms of the two chair rods are connected together through a fixing plate, and the lower ends of the chair rods downwards penetrate through the fixing plate and form inserting parts which are connected and matched with the base; a transverse pulling plate is also arranged between the two inserting parts, two ends of the transverse pulling plate are respectively and fixedly connected with the inserting parts of the chair rod, and the upper end of the transverse pulling plate is also fixedly connected with the fixed plate; an inward-sunken mounting groove is formed in the upper surface of the base, and the outline size of the mounting groove is matched with that of the fixing plate; the slot is correspondingly arranged in the mounting groove, the slot comprises positioning grooves which are arranged in bilateral symmetry and a transverse groove which is communicated between the two positioning grooves, the inserting part is inserted in the positioning grooves, and the transverse pulling plate is inserted in the transverse groove.
Description
Technical Field
The invention relates to the field of seats, in particular to a seat.
Background
The existing study chair generally comprises a cushion, a backrest, a chair rod and a base, wherein the cushion and the backrest are integrally installed on the chair rod through a base, meanwhile, the base can be adjusted up and down along the chair rod and can rotate around the chair rod, the chair rod is usually fixed on the base in a screw locking or direct welding mode, and the chair rod and the base are often subjected to position deviation in the assembling process and cannot meet the assembling precision requirement; in addition, the traditional thread locking or welding connection mode is adopted, after the learning chair bears the load, the connection strength of the chair rod and the base is low, and the connection part of the chair rod and the base is easy to loosen or break after long-term use, so that the use safety of the learning chair is seriously influenced; and only a single chair rod is adopted to support the chair back and the seat cushion, so that potential safety hazards also exist.
CN201920568782.7, which is a Chinese utility model discloses an adjustable chair for children learning, comprising a chair back, a chair seat, castors and a lifting device, wherein the chair back comprises a backrest and a supporting part, the supporting part comprises a supporting plate fixedly attached to the backrest and a bracket arranged on the supporting plate, the bracket is H-shaped and comprises two parallel supporting rods and a beam arranged between the supporting rods, the outer surface of the supporting plate is provided with an inserting groove, one side of the supporting rod is provided with an inserting part corresponding to the inserting groove, the inserting part is inserted into the inserting groove, an elastic part is arranged between the inserting part and the supporting rod, the elastic part comprises a rubber body and a metal sleeve arranged inside the rubber body, the castors comprise a fixed seat with a shaft hole at the top and a plurality of supporting legs uniformly distributed on the outer circumference of the fixed seat and extending outwards, the fixed seat is provided with a connecting groove, detachable is provided with folding footboard in the spread groove, the one end that the fixing base was kept away from to the supporting legs is all fixed and is provided with the bottom plate, and the lower extreme of bottom plate is provided with dead weight brake wheel, elevating gear includes that slide bar and cover establish two slide mechanism on the slide bar, slide mechanism includes gliding mass and locking portion. The learning chair is only provided with a single sliding rod, and the joint of the sliding rod and the fixed seat is not reinforced; there is a problem of structural instability.
For the children learning chair, the stability of the chair rod and the connection strength of the chair rod and the base are particularly important; the children love the jumping nature, so that the strength of the learning chair is urgently needed to be guaranteed. The existing learning chairs are provided with two chair rods for supporting a backrest and a seat cushion, so that the supporting strength of the learning chair is higher; by adopting the double chair rod structure, the pressure exerted by the chair back and the chair seat can be effectively dispersed, so that the study chair has better support; however, the dual chair bar structure has problems in that: the two chair rods are respectively and independently connected to the base, so that the distance between the two chair rods from bottom to top is difficult to ensure to be always equal, and the two chair rods have an offset error within a certain range during installation, so that the up-and-down sliding adjustment of the base between the two chair rods is not smooth, and the blockage problem exists; thereby leading to the unsmooth adjustment of the lift of back of the chair and cushion, the regulation effect is not good.
CN 201621456727.1's chinese utility model patent discloses a "multiple functional children learn chair" is including supporting the base and rotating the gyro wheel of connection at the support base downside, the central authorities department of supporting the base upside rotates and is connected with the fixed block, the bilateral symmetry of fixed block is equipped with the support frame, the one end that the fixed block was kept away from to two support frames is passed through the handrail and is connected, the cover is equipped with the fixed cover of first fixed cover and second on the support frame, first fixed cover is located the below of the fixed cover of second, one side of the fixed cover of first fixed cover and second all is equipped with the through hole, be equipped with the kelly in the through hole, be equipped with a plurality of draw-in grooves that correspond with the kelly on the support frame, the kelly is kept away from the one end of support frame and is fixed with the stopper, the cover is equipped with the spring on the kelly. The utility model discloses simple structure, it is durable firm, the convenience is adjusted the height of the back of the chair and cushion to make things convenient for the student of different heights to use, the angle of cushion can be adjusted simultaneously, thereby can let children keep comfortable healthy position of sitting, thereby prevent that children from humpback, myopia. The left side and the right side of the learning chair are symmetrically provided with support frames which are upright rods vertically arranged; the cushion and the chair back are both connected to the two support frames; although the structure is more stable, the bottoms of the two support frames are respectively connected to the fixed block, so that the two chair rods can not be always kept parallel from bottom to top, and the phenomenon of blocking can occur when the height of the seat cushion and the height of the chair back are adjusted; and the lower extreme of support frame adopts ordinary connected mode to install on the fixed block of bottom, and the intensity of junction still has hidden danger, has the not enough drawback of security.
Disclosure of Invention
The invention overcomes the defects in the prior art and provides the seat with stable structure and better safety; the supporting component of the chair adopts a double-chair-rod structure to support the chair back and the chair seat, so that the supporting strength is better; the bottoms of the two chair rods are fixedly connected together by the fixing plate, and the transverse pulling plate is arranged between the two inserting parts for reinforcement, so that the two chair rods can be kept stable and stable without shaking and offsetting in use, and the chair back and the chair seat can be stably and smoothly adjusted up and down along the chair rods without being blocked; moreover, the chair rod and the base are fixed in a splicing matching mode, so that the supporting component and the base are connected tightly, and the connection strength between the chair rod and the base is further enhanced.
The technical scheme of the invention is realized as follows:
a chair comprises a base, a supporting component, a chair back and a chair seat; the lower end of the supporting component is fixedly connected to the base, the supporting component comprises two longitudinal chair rods arranged in a mirror image mode, a sliding seat used for installing a chair back or a chair seat is arranged between the two chair rods, and two sides of the sliding seat are arranged on the chair rods in a sliding mode; the bottoms of the two chair rods are connected together through a horizontal fixing plate, the fixing plate is made of rigid material, and the chair rods penetrate through the fixing plate; the lower end of the chair rod penetrates out of the fixing plate downwards and forms an inserting part which is connected and matched with the base; a rigid transverse pulling plate is also arranged between the two inserting parts, the transverse pulling plate is longitudinally arranged, two ends of the transverse pulling plate are respectively and fixedly connected with the inserting parts of the chair rod, and the upper end of the transverse pulling plate is also fixedly connected with the fixed plate; an inward-sunken mounting groove is formed in the upper surface of the base, and the outline size of the mounting groove is matched with that of the fixing plate; the slot is correspondingly arranged in the mounting groove, the slot comprises positioning grooves which are arranged in bilateral symmetry and a transverse groove which is communicated between the two positioning grooves, the inserting part is inserted in the positioning grooves, and the transverse pulling plate is inserted in the transverse groove.
Preferably, the fixing plate is a metal plate; the two chair rods are respectively welded and fixed with the fixed plate; the transverse pulling plate is a metal plate and is vertical to the fixed plate or the included angle between the transverse pulling plate and the fixed plate is 75-85 degrees; the two ends of the transverse pulling plate are respectively welded and fixed with the inserting part, and the upper end of the transverse pulling plate is welded and fixed with the fixed plate. The transverse pull plate is welded and fixed with the insertion part and the fixed plate simultaneously, so that the chair rod and the chair rod, the chair rod and the fixed plate are connected tightly, and the transverse pull plate does not shake between every two chair rods.
Preferably, the fixing plate and the base are fixedly connected through screws, and the chair rod and the base are fixedly connected through screws. Adopt dual fixed for joint strength is higher between chair pole and the base.
Preferably, a bearing part for bearing the chair rod is formed between the bottom of the positioning groove and the bottom surface of the base; the lower end of the chair rod is abutted to the bearing part, the chair rod is a metal flat tube, the bottom of the chair rod is fixedly welded with an installation block for connecting screws, the installation block and the bearing part are fixedly connected through screws, and the screws penetrate upwards from the lower side of the base. The chair pole is flat pipe, and is lighter, sets up the installation piece at chair pole lower extreme for the screw can be connected to chair pole bottom, and it is fixed not influence the installation.
Preferably, the length of the plug part is between 5 and 20 cm.
Preferably, after the chair rod is in inserted fit with the base, the chair rod is in a backward inclined state from bottom to top; the fixing plate is in a horizontal state. The fixed plate is in the horizontality, makes things convenient for the fixed plate to be connected with the base.
Preferably, a decorative cover is sleeved on the two chair rods, and the decorative cover is fixedly connected to the upper surface of the base to cover the mounting groove. Hide the connecting trace and beautify the appearance.
Preferably, a reinforcing sleeve extending in the longitudinal direction of the chair rod is further provided at the joint of the decorative cover and the chair rod, and the reinforcing sleeve is attached to the chair rod. Further enhancing the strength of the joint of the chair rod and the base.
Preferably, the support assembly further comprises a connecting piece connected to the upper end of the chair rod, two ends of the connecting piece are respectively provided with downward insertion tubes, and the insertion tubes are inserted into the chair rod. The lower ends of the two chair rods are connected through the fixing plate, and the upper ends of the two chair rods are connected through the connecting piece, so that a closed loop is formed between the two chair rods, and the two chair rods can be kept stable and cannot shake or shift.
Preferably, the sliding seat comprises a connecting cross rod and sleeves respectively arranged at the left side and the right side of the connecting cross rod, and the sleeves are sleeved on the chair rod in a sliding manner. The two sleeves are respectively sleeved on the two chair rods in a sliding manner, so that the sliding is more stable, and the effect of dispersing load can be achieved.
The design starting point, the idea and the beneficial effects of the invention adopting the technical scheme are as follows:
according to the seat, the fixing plate is welded between the two seat rods, so that the lower ends of the two seat rods penetrate through the part of the fixing plate to form the inserting part, the transverse pulling plate is welded and fixed between the two inserting parts, the two ends of the transverse pulling plate are fixed with the inserting part, and the upper end of the transverse pulling plate is also fixed with the fixing plate; therefore, the connection between the insertion part and between the insertion part and the fixed plate are very stable, the structural strength of the bottom of the chair rod is greatly improved, the two chair rods can be kept relatively stable, and the two chair rods cannot shake or shift when in use; the chair seat and the chair back can be stably and smoothly adjusted in the lifting process.
2, correspondingly arranging a mounting groove on the base, wherein a slot is arranged in the mounting groove and comprises a positioning groove matched with the insertion part and a transverse groove matched with the transverse pull plate; after the installation, the fixed plate is horizontally embedded into the installation groove, the insertion part is inserted into the positioning groove, and the transverse pull plate is inserted into the transverse groove; multiple splicing matching enables the chair rod and the base to be connected tightly, further eliminates shaking and improves connection strength.
3, the chair rod is fixedly connected with the base through a screw, and the fixing plate is fixedly connected with the base through a screw; the double connection is adopted, so that the connection strength between the two chair rods and the base is greatly improved; when the chair rod is stressed, the bottom of the chair rod is abutted against the base, and the fixing plate is abutted against the base; the stress is more dispersed; the safety of the seat is effectively improved.
4, the fixed plate and the transverse pull plate are connected between the bottoms of the two chair rods, so that the two chair rods form a whole, the two chair rods can be simultaneously inserted into the base when the chair rods are installed on the base, and the single chair rods are not required to be sequentially inserted into the base; the installation is more convenient and faster, and the installation steps are reduced.
5, the transverse pulling plate is arranged below the fixed plate, so that after the insertion is finished, the insertion part and the transverse pulling plate are hidden in the base; after the connection is finished, a decorative cover is arranged at the joint of the upper surface of the base to cover the connecting trace, so that only the chair rod is exposed outside, the stability of the structure is guaranteed, and the integral structure is simple and attractive.
Drawings
FIG. 1 is a perspective view of a seat according to an embodiment of the present invention;
FIG. 2 is a rear view of a seat in an embodiment of the present invention;
FIG. 3 is a schematic perspective view of an embodiment of the present invention with the support assembly connected to the base;
FIG. 4 is a schematic perspective view of an embodiment of the present invention with the support assembly and the base unconnected;
FIG. 5 is a schematic perspective view of an embodiment of the present invention with the decorative cover not installed;
FIG. 6 is a perspective view illustrating the connection between the chair rods according to the embodiment of the present invention;
FIG. 7 is a schematic perspective view of a base according to an embodiment of the present invention;
FIG. 8 is a schematic bottom perspective view of the chair rod and base connection according to an embodiment of the present invention;
FIG. 9 is a perspective view of the chair rod and the connecting member according to the embodiment of the present invention.
The figures are numbered: a base 1; a support assembly 2; a chair back A; a seat B; a chair rod 3; a fixed plate 4; a plug-in part 5; a reinforcing portion 6; a slot 7; a positioning groove 7 a; a lateral groove 7 b; a slide 8; a support rail 8 a; a sleeve 8 b; a mounting groove 9; a receiving part 10; a mounting block 11; a mounting hole 12; a decorative cover 13; a connecting column 14; a connecting hole 15; a connecting member 16; a cannula 17; an elastic buckle 18; a bayonet 19; a reinforcing rib 20; and a reinforcing portion 21.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
In the description of the present invention, the term "at least one" means one or more than one unless explicitly defined otherwise. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The specific embodiment of the invention is as follows:
as shown in fig. 1-9, the present invention provides a chair comprising a base 1, a support assembly 2, a backrest a and a seat B; the lower end of the supporting component 2 is fixedly connected to the base 1, the supporting component 2 comprises two chair rods 3 which are arranged longitudinally and in a mirror image mode, and the chair back A and the chair seat B are arranged on the two chair rods 3 in a sliding mode; the two chair rods 3 are connected together through a horizontal fixing plate 4, the fixing plate 4 is positioned at the bottoms of the two chair rods 3, and the fixing plate 4 is made of metal and has high strength; the chair rod 3 is arranged on the fixed plate 4 in a penetrating way, the lower end of the chair rod 3 downwards penetrates out of the fixed plate and forms an inserting part 5, a transverse pulling plate 6 is arranged between the two inserting parts 5, two ends of the transverse pulling plate 6 are respectively fixedly connected with the inserting part 5, and the upper end of the transverse pulling plate 6 is also fixedly connected with the fixed plate 4; thereby the two chair rods 3 and the fixing plate 4 are stably connected together; be equipped with slot 7 on the upper surface of base 1, slot 7 includes the constant head tank 7a that bilateral symmetry set up and link up the cross slot 7b between two constant head tanks 7a, grafting portion 5 peg graft in constant head tank 7a, violently draw board 6 peg graft in cross slot 7 b.
Further comprising: the chair is provided with two chair rods 3 for supporting the chair back A and the chair seat B, so that the supporting strength is higher; the bottoms of the two chair rods 3 are firmly fixed together through the fixing plate 4 and the transverse pull plate 6, so that the two chair rods 3 can be kept stable, and the phenomenon of shaking or deviation does not exist during use; the lower end of the chair rod 3 is also in inserted fit with the base 1, so that the connection strength between the lower end of the chair rod 3 and the base 1 is greatly enhanced; the safety of the seat in use is improved.
As shown in fig. 1-6, the chair rod 3 is a flat tube made of metal, and the interior of the chair rod is hollow, so that the overall weight can be reduced; after installation, the chair rod 3 keeps a backward inclined state from bottom to top, and the length direction of the section of the chair rod 3 is consistent with the front-back direction of the base 1, because the chair rod 3 mainly bears the load in the front-back direction, the supporting strength of the chair rod 3 is higher, and the supporting strength of the supporting component 2 is further improved; the fixing plate 4 is an iron plate, the lower ends of the two chair rods 3 downwards penetrate through the fixing plate 4, the fixing plate 4 and the two chair rods 3 are welded and fixed together, the chair rods 3 and the fixing plate 4 are tightly connected in a welding mode, and the strength of the joint is high; as shown in fig. 4 and 6, the part of the chair rod 3 below the fixing plate 4 forms the insertion part 5, and in this embodiment, the length of the insertion part 5 is 15 cm; the transverse pulling plate 6 is also a metal iron plate, the transverse pulling plate 6 is perpendicular to the fixed plate 4, or the transverse pulling plate 6 and the fixed plate 4 have a certain inclination, and the included angle between the transverse pulling plate 6 and the fixed plate 4 is 75-85 degrees; two ends of the transverse pulling plate 6 are respectively welded and fixed with the inserting part 5, and the upper end of the transverse pulling plate 6 is also welded and fixed with the fixed plate 4; the cross pull plate 6 can greatly improve the structural strength between the two chair rods 3 and between the chair rods 3 and the fixing plate 4.
Then the two connected chair rods 3 and the fixing plate 4 form a whole, the whole structure is stable, and the two chair rods cannot shake; the chair rod 3 is also provided with an upper sliding seat 8 and a lower sliding seat 8 which are used for installing a chair back A or a chair seat B, the sliding seats 8 comprise a supporting cross rod 8a and sleeves 8B which are respectively positioned at two sides of the supporting cross rod 8a, and the sleeves 8B are sleeved on the chair rod 3 in a sliding manner; adopt this connection structure for stable in structure between two chair poles 3, in the use, can not produce between chair pole 3 and the chair pole 3 and rock or skew, along vertical direction, remain parallel throughout between two chair poles 3 to make slide 8 very steady smooth and easy when sliding along the length direction of chair pole 3, can not block, make the lift adjustment of back of the chair A and back of the chair B effectual. In addition, when the chair is installed, the two chair rods 3 can be installed on the base 1 together, and the installation steps are further reduced.
As shown in fig. 4-8, a mounting groove 9 which is recessed downwards is arranged on the upper surface of the base 1, and the contour size of the mounting groove 9 is matched with that of the fixing plate 4; the slot 7 is arranged in the mounting groove 9, wherein the slot 7 comprises two positioning grooves 7a which are arranged in bilateral symmetry and a transverse groove 7b which runs through between the two positioning grooves 7 a; the depth of the positioning groove 7a is consistent with the length of the insertion part 5, and the transverse groove 7b can just contain the transverse pulling plate 6; during assembly, the inserting parts 5 at the lower ends of the two chair rods 3 are simultaneously inserted into the two positioning grooves 7a, the transverse pulling plates 6 are clamped into the transverse grooves 7b, and the fixing plate 4 is horizontally embedded into the mounting groove 9; so that the bottom of the chair rod 3 is tightly combined with the base 1; at the moment, the fixing plate 4 is in a horizontal state, the chair rod 3 inclines backwards from bottom to top, and the fixing plate 4 is horizontally arranged to facilitate the connection between the fixing plate 4 and the base 1. A bearing part 10 for bearing the chair rod 3 is formed between the bottom of the positioning groove 7a and the lower surface of the base 1, after the chair rod 3 is inserted into the positioning groove 7a, the bottom surface of the chair rod 3 is in a horizontal state, and the lower end of the chair rod 3 is abutted against the bearing part 10; the method specifically comprises the following steps: as shown in fig. 6 and 8, mounting blocks 11 for connecting screws are welded and fixed to the insides of the lower ends of the two chair rods 3, respectively, and the lower surfaces of the mounting blocks 11 are flush with the lower surface of the chair rod 3, and the chair rod 3 and the base 1 are fixed by fixing the mounting blocks 11 to the receiving portions 10.
Then the mounting steps of the supporting component 2 and the base 1 are as follows: inserting the inserting parts 5 at the lower ends of the two chair rods 3 into the two positioning grooves 7a at the same time, wherein the lower ends of the inserting parts 5 are abutted against the bearing parts 10; the transverse pulling plate 6 is embedded in the transverse groove 7b, and the fixing plate 4 is embedded in the mounting groove 9; as shown in fig. 8, the bottom of the receiving part 10 is provided with a mounting hole 12; after the inserting part 5 is inserted and matched with the slot 6, a screw penetrates through the mounting hole 12 from the lower part of the base 1 and is connected and fixed on the mounting block 11, so that the chair rod 3 and the base 1 are screwed up and fixed through the screw on the lower surface of the base 1, the periphery of the bearing part 10 is provided with the reinforcing ribs 20 which are vertically and horizontally staggered, and the connecting strength between the base 1 and the chair rod 3 can be enhanced. In addition, screws are also arranged below the base 1 and sequentially penetrate through the base 1 and the fixing plate 4, so that the fixing plate 4 and the base 1 are firmly fixed. Through the connecting structure, the chair rod 3 and the fixing plate 4 are respectively fixed with the base 1 through screws and are doubly fixed, so that the integral connecting strength is higher, and the safety of the chair is effectively improved; and the screws penetrate from the lower part of the base 1, so that the appearance can be beautified.
As shown in fig. 1, 3 and 5, after the chair rod 3 is connected to the base 1, a decorative cover 13 is disposed at the connection position of the upper surface of the base 1 and the chair rod 3 to cover the mounting groove 9, specifically: the outline of the decorative cover 13 is matched with the outline of the mounting groove 9; and the decorative cover 13 is sleeved on the two chair rods 3 from top to bottom; a connecting column 14 protruding downwards is arranged on the lower surface of the decorating cover 13, a connecting hole 15 is correspondingly arranged in the mounting groove 9, the decorating cover 13 is buckled on the mounting groove 9 downwards, the connecting column 14 is matched with the connecting hole 15, and then a screw is arranged below the base 1, penetrates through the connecting hole 15 and is connected in the connecting column 14 so as to connect and fix the decorating cover 13 and the base 1; after finishing connecting, dress trim cover 13 edge and base 1's upper surface are laminated mutually, and dress trim cover 13 can cover mounting groove 9, hides the connection vestige between chair pole 3 and the base 1 for it is whole more succinctly pleasing to the eye, accords with modern aesthetic requirement. In addition, a reinforcing sleeve 21 extending upwards along the length direction of the chair rod 3 is arranged at the sleeving joint of the decorative cover 13 and the chair rod 3; the reinforcing sleeve 21 is attached to the chair rod 3, so that the connection strength between the chair rod 3 and the base 1 can be further reinforced; further keeping the stability between the two chair rods 3, and keeping the distance between the chair rods 3 and the chair rods 3 unchanged all the time when the chair is used.
Furthermore, as shown in fig. 1, 2 and 9, the support assembly 2 further includes a connecting member 16 connected to the upper end of the chair rod 3, the connecting member 16 is U-shaped, two sides of the connecting member 16 are respectively provided with a vertically downward insertion tube 17, and the insertion tubes 17 are respectively inserted into the upper end of the chair rod 3; the insertion tube 17 is in clamping fit with the chair rod 3, wherein an elastic buckle 18 is arranged on the side surface of the insertion tube 17, and a bayonet 19 is correspondingly arranged at the upper end of the chair rod 3; the insertion tube 17 is inserted into the chair rod 3 so that the elastic buckle 18 is clamped in the bayonet 19; the connection is convenient and quick; the bottoms of the two chair rods 3 are stably connected through a fixed plate 4 and a transverse pull plate 6, and the upper ends of the two chair rods 3 are also connected with a connecting piece 16; make between two chair poles 3 very firm, in the use, can not rock or squint between two chair poles 3, the interval between the two will remain unchanged all the time for slide 8 can carry out steady smooth and easy lift slip along chair pole 3.
In summary, in the chair of the invention, in order to improve the supporting strength, the chair back a and the chair seat B are supported by arranging two chair rods 3, the bottoms of the two chair rods 3 are firmly fixed by the fixing plate 4 and the transverse pulling plate 6, and the upper ends of the two chair rods 3 are also connected with the connecting piece 16; the two chair rods 3 are very stable, the shaking and the deviation phenomena do not exist, and the chair back A and the chair seat B can be stably and smoothly lifted and adjusted; the lower end of the chair rod 3 is in inserting fit with the base 1, the chair rod 3 and the base are fixedly connected through screws, and the fixing plate 4 and the base 1 are fixedly connected through screws; so that the supporting component 2 is tightly combined with the base 1 and the connection is stable. Then, the chair adopts a double-chair-rod structure, the chair rod 3 and the chair rod 3 can keep relatively stable, and the connection between the chair rod 3 and the base 1 is very tight and firm; the support intensity and the stability of the seat are greatly improved. Furthermore, the transverse pulling plate 6 is arranged below the fixed plate 4 and hidden in the base 1; and a decorative cover 13 is also arranged to cover the connecting traces; only two chair rods 3 are exposed, so that the whole chair is simpler and more attractive.
The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.
Claims (10)
1. A seat, characterized by: comprises a base, a supporting component, a chair back and a chair seat; the lower end of the supporting component is fixedly connected to the base, the supporting component comprises two longitudinal chair rods arranged in a mirror image mode, a sliding seat used for installing a chair back or a chair seat is arranged between the two chair rods, and two sides of the sliding seat are arranged on the chair rods in a sliding mode; the bottoms of the two chair rods are connected together through a horizontal fixing plate, the fixing plate is made of rigid material, and the chair rods penetrate through the fixing plate; the lower end of the chair rod penetrates out of the fixing plate downwards and forms an inserting part which is connected and matched with the base; a rigid transverse pulling plate is also arranged between the two inserting parts, the transverse pulling plate is longitudinally arranged, two ends of the transverse pulling plate are respectively and fixedly connected with the inserting parts of the chair rod, and the upper end of the transverse pulling plate is also fixedly connected with the fixed plate; an inward-sunken mounting groove is formed in the upper surface of the base, and the outline size of the mounting groove is matched with that of the fixing plate; the slot is correspondingly arranged in the mounting groove, the slot comprises positioning grooves which are arranged in bilateral symmetry and a transverse groove which is communicated between the two positioning grooves, the inserting part is inserted in the positioning grooves, and the transverse pulling plate is inserted in the transverse groove.
2. The seat according to claim 1, wherein: the fixing plate is a metal plate; the two chair rods are respectively welded and fixed with the fixed plate; the transverse pulling plate is a metal plate and is vertical to the fixed plate or the included angle between the transverse pulling plate and the fixed plate is 75-85 degrees; the two ends of the transverse pulling plate are respectively welded and fixed with the inserting part, and the upper end of the transverse pulling plate is welded and fixed with the fixed plate.
3. The seat according to claim 1, wherein: the fixed plate is fixedly connected with the base through screws, and the chair rod is fixedly connected with the base through screws.
4. The seat according to claim 3, wherein: a bearing part for bearing the chair rod is formed between the bottom of the positioning groove and the bottom surface of the base; the lower end of the chair rod is abutted to the bearing part, the chair rod is a metal flat tube, the bottom of the chair rod is fixedly welded with an installation block for connecting screws, the installation block and the bearing part are fixedly connected through screws, and the screws penetrate upwards from the lower side of the base.
5. The seat according to claim 1, wherein: the length of the insertion part is between 5 and 20 cm.
6. The seat according to claim 1, wherein: after the chair rod is in inserted fit with the base, the chair rod is in a backward inclined state from bottom to top; the fixing plate is in a horizontal state.
7. The seat according to claim 1, wherein: the two chair rods are sleeved with a decorative cover, and the decorative cover is connected and fixed on the upper surface of the base to cover the mounting groove.
8. The seat according to claim 7, wherein: the joint of the decorative cover and the chair rod is also provided with a reinforcing sleeve extending upwards along the length direction of the chair rod, and the reinforcing sleeve is attached to the chair rod.
9. The seat according to claim 1, wherein: the supporting component further comprises a connecting piece connected to the upper end of the chair rod, downward insertion tubes are arranged at two ends of the connecting piece respectively, and the insertion tubes are inserted into the chair rod in an inserting mode.
10. The seat according to claim 1, wherein: the sliding seat comprises a connecting cross rod and sleeves respectively arranged at the left side and the right side of the connecting cross rod, and the sleeves are sleeved on the chair rod in a sliding manner.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020963896 | 2020-05-29 | ||
| CN2020209638964 | 2020-05-29 |
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| Publication Number | Publication Date |
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| CN113197454A true CN113197454A (en) | 2021-08-03 |
| CN113197454B CN113197454B (en) | 2024-03-26 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110596058.7A Active CN113197454B (en) | 2020-05-29 | 2021-05-29 | Chair seat |
| CN202121187157.1U Active CN216675295U (en) | 2020-05-29 | 2021-05-29 | Seat supporting device and seat |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121187157.1U Active CN216675295U (en) | 2020-05-29 | 2021-05-29 | Seat supporting device and seat |
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| CN (2) | CN113197454B (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN113197454B (en) | 2024-03-26 |
| CN216675295U (en) | 2022-06-07 |
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