CN109953498B

CN109953498B - desk

Info

Publication number: CN109953498B
Application number: CN201711437192.2A
Authority: CN
Inventors: 叶建荣; 林建忠
Original assignee: Xiamen Yilite Teaching Equipment Co ltd
Current assignee: Xiamen Yilite Teaching Equipment Co ltd
Priority date: 2017-12-26
Filing date: 2017-12-26
Publication date: 2021-07-06
Anticipated expiration: 2037-12-26
Also published as: CN109953498A

Abstract

The invention discloses a desk, the technical solution of which includes a desk body and a base fixedly connected under the desk body, the desk body includes a desk top plate and a desk drawer frame, and two sides along the length direction of the bottom of the desk top plate A number of vertically extending connecting columns are integrally connected, and the bottom of the connecting columns is provided with horizontal grooves parallel to the length direction of the table top; The upper end of the base is provided with a mounting plate, the mounting plate is extended with an outer shield, the upper side of the outer shield is integrally connected with a positioning piece, and a positioning hole is opened on the positioning piece; the outer shield is horizontal A socket is provided, a locking piece is installed on the outer shield, and the locking piece includes an abutting piece, a plug portion and a clipping portion, and the installation plate is vertically arranged with a dividing piece along the length direction. The present invention has The installation process does not require tools, and the operation process is convenient.

Description

Desk

Technical Field

The invention relates to teaching equipment, in particular to a desk.

Background

At present, a Chinese patent with publication number CN205338167U discloses a desk, which comprises a desktop, wherein a book hopper is connected below the desktop, four identical adjusting upright posts are connected below the book hopper, at least three first adjusting holes are formed in the adjusting upright posts, identical left desk legs and right desk legs are arranged below the adjusting upright posts, two female cylinders are respectively arranged on the left desk legs and the right desk legs, second adjusting holes are formed above the female cylinders, penetrating screw rods are further arranged, anti-slip pads are arranged at the bottoms of the left desk legs and the right desk legs, and the desktop, the book hopper, the left desk legs and the right desk legs are all made of engineering plastics; during the use, adjust the relative position of regulation stand and female section of thick bamboo in vertical direction as required, adopt engineering plastics's material, can not cause the injury to student's health in the environmental protection, can also prevent that desk chair from shifting, the noise is also low when on the other hand removes, and the structure is firm, and resistant beating, the structure is simple relatively moreover, and simple to operate is swift.

In the prior art, similar to the desk, the components are generally fixed by screws and bolts, so that if a tool for screwing the bolts cannot be found before the desk is installed, the desk and the chair cannot be stably installed and need to be improved.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a desk which has the advantages that tools are not needed in the installation process, and the operation process is convenient.

In order to achieve the purpose, the invention provides the following technical scheme: a desk comprises a desk body and a base fixedly connected below the desk body, wherein the desk body comprises a desk top plate and a desk drawer frame, a plurality of vertically extending connecting columns are integrally connected to two sides of the bottom of the desk top plate along the length direction, and horizontal grooves parallel to the length direction of the desk top plate are formed in the bottoms of the connecting columns; the table drawer frame comprises a flanging which is horizontally turned outwards, and a connecting hole for the connecting column to be inserted and penetrated is formed in the position, corresponding to the connecting column, of the flanging;

the mounting plates are horizontally arranged on two sides of the upper end of the base, an outer guard plate vertically and upwardly extends from one side of the mounting plate in the length direction, a positioning sheet which is horizontally arranged corresponding to the connecting column and is used for the flanging to abut against is integrally connected to the upper side of the outer guard plate, and a positioning hole for the connecting column to penetrate through in an inserting mode is formed in the positioning sheet; the jack has all been seted up to the equal level in the position that the outer casing corresponds the spliced pole, install the locking piece on the outer casing, the locking piece includes butt on the outer casing, penetrates jack and level and inserts grafting portion of horizontal inslot and the joint portion that is used for joint fixed mounting panel, the mounting panel is along the vertical spacing piece that supplies joint portion joint to fix that is provided with of length direction.

Through adopting above-mentioned technical scheme, in the spliced pole plug-in connection locating hole, the locating hole carries out the horizontal slip that horizontal location restricted the erection column to the spliced pole. Then the inserting part horizontally penetrates into the inserting hole and the horizontal groove in sequence to vertically position the mounting plate and the top panel so as to prevent the mounting column from vertically sliding; simultaneously, the locking piece is clamped on the partition piece through the clamping part, so that the locking piece is fixed. Thereby realizing the fixed connection among the table top plate, the table drawer frame, the mounting plate and the locking piece. The fixing process does not need to use tools, and the operation process is convenient.

The invention is further configured to: the rear side of the bottom of the table top plate is provided with a clamping column, and the turnup edge is provided with a clamping hole for inserting the clamping column; the middle part of the clamping column is provided with a variable groove along the axial direction, and two sides of the bottom of the clamping column are provided with column edges; the aperture in joint hole is less than the external diameter of joint post, and is provided with the groove that advances that supplies the post to follow the joint in the bottom in joint hole.

Through adopting above-mentioned technical scheme, when joint post and joint jogged joint, the joint post is extrudeed by the joint hole, to deformation groove one side upset deformation, has reduced the size in deformation groove, reduces the external diameter of joint post and passes the joint hole. And after the column edge passes through the clamping hole, the clamping column outwards returns under the action of the elasticity of the clamping column, so that the column edge is clamped in the progressive groove. The initial fixation of the table drawer frame and the table top plate is realized.

The invention is further configured to: the horizontal groove sets up in the both sides of spliced pole outer wall, the groove of stepping down that is used for the horizontal groove outside of joint is offered towards one side middle part of spliced pole to grafting portion, joint portion colludes including setting up the joint that sets up in the both sides that grafting portion kept away from butt joint piece one end.

By adopting the technical scheme, the clamping hooks on the two sides are abutted against the end part of the separating sheet, so that the separating sheet generates a supporting force for preventing the plugging part from returning; and the yielding groove enables the clamping hooks on the two sides to be hooked with allowance of inward deformation, so that the insertion part can be inserted into the insertion hole and the horizontal groove through deformation. After the connection of the insertion part, the abdication groove is matched with the horizontal groove, so that the contact area of the insertion part and the connecting column can be increased, and the effect of limiting the connecting column is better played.

The invention is further configured to: hanging holes are formed in two sides of the connecting plate, and hooks are fixedly clamped in the hanging holes.

By adopting the technical scheme, the bag can be hung on the edge of the table through the hook, so that the table is more convenient to use.

The invention is further configured to: the base comprises supporting legs arranged on two sides of the table body and a supporting frame connected with the supporting legs on the two sides; the supporting legs comprise a hollow upper leg body and a hollow lower leg body, and the upper leg body is inserted into the lower leg body and slides in the lower leg body; the support frame includes the support body, go up the support body and connect between the last foot body and the lower foot body of both sides supporting legs and be used for fixed upper foot body and lower foot body.

By adopting the technical scheme, the traditional bolt connection is abandoned, the fixation is realized by the lap joint of the parts, no tool is needed in the lap joint process, and the operation process is convenient; in addition, the supporting legs on two sides are connected with the supporting frame after the fixing, so that the overall stability of the base is further enhanced on the basis of the fixing.

The invention is further configured to: the upper foot body is horizontally provided with a plurality of upper fixing holes at equal intervals along the vertical direction; the lower foot body is provided with a lower fixing hole with the same shape as the upper fixing hole; a plug connector is arranged between the upper foot body and the lower foot body and comprises a blocking edge which is abutted against the outer wall of the lower foot body and a fixed end which penetrates out of the upper fixed hole and the lower fixed hole; the upper frame body comprises an upper support rod arranged in the middle and upper foot sleeves which are respectively and integrally connected to two ends of the horizontal support rod and are sleeved and slid on the upper foot body; vertical fore shaft has been seted up along vertical direction to the stiff end, go up podotheca and be provided with the locked groove of joint on vertical fore shaft towards one side of horizontal vaulting pole.

By adopting the technical scheme, the support frame is sleeved on the upper foot bodies on the two sides, and then the upper foot bodies are inserted into the lower foot bodies and slide in the lower foot bodies along the vertical direction; after the last foot body removes to suitable position, through inserting the plug connector in fixed orifices and the fixed orifices down respectively for the fender of plug connector is followed the butt on the outer wall of the foot body down, realizes going up the preliminary location of the foot body, the foot body down and plug connector. Then the support frame slides downwards through the support frame, so that the locking grooves on the upper foot sleeves at the two ends of the support frame are connected to the vertical locking port at the fixed end of the plug connector from top to bottom in a clamping manner, the horizontal sliding of the plug connector is limited, and the upper foot body and the lower foot body are fixed. And the locked groove on the support frame can be stably clamped on the vertical locking port under the action of gravity, so that stable connection is realized.

The invention is further configured to: the upper leg body is correspondingly provided with upper limiting holes at the lower sides of the fixing holes, and the lower leg body is correspondingly provided with lower limiting holes at the lower sides of the lower fixing holes; the below of plug connector is provided with the locating part that the podotheca was supported in the butt, the locating part includes the butt in the external wall of lower foot be used for the butt to support the stopper of podotheca, an organic whole connect in stopper and level peg graft in last spacing hole and spacing downthehole gag lever post and butt can dismantle the spacing nail of being connected in the internal wall of lower foot and gag lever post in the limiting rod.

Through adopting above-mentioned technical scheme, the locating part is pegged graft in last spacing hole and the lower spacing hole of plug connector downside, realizes the fixed between the lower leg body. The limiting block is abutted against the outer wall of the lower foot body to provide stable support for the upper foot sleeve; after the upper foot sleeve is fixed, the upper foot sleeve is kept stressed stably. The limiting nail and the limiting rod are detachably connected, so that the fixing state of the limiting part can be conveniently released when the height of the supporting leg is adjusted.

The invention is further configured to: the lower end of the lower foot body is integrally connected with an arched underframe, a plate-shaped reinforcing rib is arranged between the underframe and the lower end of the lower foot body, and the lower foot body comprises a lower support rod arranged in the middle and lower foot sleeves which are integrally connected to the two ends of the lower support rod and are respectively sleeved on the lower foot bodies on the two sides; the lower stay bar is bent downwards to form a U shape; a horizontal reinforcing sheet which is parallel to and attached to the side wall of the lower support rod and attached to the inner side of the side wall of the lower support rod is integrally injected on one side of the inner wall surface of the underframe, which faces the lower support rod; the bottom that the podotheca corresponds the both sides of strengthening rib down is provided with the muscle groove, the laminating joint of muscle groove is on the strengthening rib.

Through adopting above-mentioned technical scheme, when the support body is fixed on the foot body down, the level is strengthened the piece and is pegged graft under between the vaulting pole, and the strengthening rib joint has increased the area of contact between support body and the foot body down in the muscle inslot, promotes the steadiness of connecting between support body and the foot body down.

The invention is further configured to: the bracket body comprises a horizontal support rod arranged in the middle and foot support sleeves which are connected to two ends of the lower horizontal support rod integrally and are respectively sleeved on the upper foot bodies on two sides; the upper end face of the horizontal support rod is attached to the lower end face of the table drawer frame, a plurality of connecting lugs are evenly distributed on the upper end face of the horizontal support rod in the extension degree direction, and connecting jacks for clamping the connecting lugs are formed in the table drawer frame.

Through adopting above-mentioned technical scheme, horizontal die-pin supports at the lower terminal surface of table steamer tray frame, and through connecting the lug joint in table steamer tray frame and firm for table steamer tray frame provides the support. The bearing capacity of the table drawer frame is improved.

The invention is further configured to: the outer wall of the upper foot sleeve is provided with a locking hole, and the lower foot body is provided with a locking lug clamped in the locking hole; the lower foot body is provided with a U-shaped hole corresponding to the outer side of the locking lug, and the lower foot body is provided with an elastic sheet which is used for integrally connecting the locking lug on the inner side of the U-shaped hole.

Through adopting above-mentioned technical scheme, when the locking hole just right the locking lug, the locking lug passes through the elasticity of flexure strip, and the joint is in the locking hole for go up the podotheca when the upward effort that receives, also can still keep with lower leg body between fixed connection.

In summary, the invention has the following advantages:

1. in the installation process, a practical tool is not needed, and the installation process is convenient;

2. the height of the base can be adjusted according to requirements;

3. the supporting legs are horizontally supported on the two sides through the upper frame body, the lower frame body and the bracket body, so that the supporting strength of the base is improved.

Drawings

FIG. 1 is a schematic assembled structure of the present embodiment;

FIG. 2 is a schematic structural view of a base in the present embodiment;

FIG. 3 is an exploded view of the base of the embodiment highlighting the upper leg;

FIG. 4 is an enlarged schematic view of A in FIG. 3;

FIG. 5 is an exploded view of the base of the highlighted lower leg of the present embodiment;

FIG. 6 is an exploded view of the highlighted desk drawer frame of the present embodiment;

FIG. 7 is an exploded view of the table of the present embodiment;

FIG. 8 is an enlarged schematic view of B of FIG. 6;

FIG. 9 is an exploded view of the hook according to the present embodiment;

fig. 10 is an enlarged schematic view of C in fig. 4.

Description of reference numerals: 1. a base; 2. a table body; 21. a table top plate; 211. a pen slot; 212. connecting columns; 213. a horizontal groove; 214. a clamping column; 215. a deformation groove; 216. a column edge; 22. a desk drawer frame; 221. a frame body; 222. flanging; 223. connecting holes; 224. a clamping hole; 225. a material reducing hole; 226. a progressive groove; 227. connecting the jacks; 3. supporting legs; 31. an upper foot body; 310. mounting a plate; 311. an upper fixing hole; 312. an upper limiting hole; 313. a guard plate; 314. an outer shroud; 315. a separator; 316. positioning plates; 317. positioning holes; 318. clamping ribs; 3141. a jack; 3142. a lock hole; 3143. caulking grooves; 3144. unlocking the groove; 32. a lower leg body; 321. a lower fixing hole; 322. a lower limiting hole; 323. a chassis; 324. reinforcing ribs; 325. a support leg; 326. a base plate; 327. a horizontal reinforcing sheet; 328. a relief pattern; 4. a support frame; 41. An upper frame body; 411. an upper stay bar; 412. mounting a foot sleeve; 413. an upper sleeve part; 414. locking the groove; 415. a flange; 42. a lower frame body; 421. a lower stay bar; 422. a foot cover; 423. a rib groove; 43. a bracket body; 431. a horizontal support rod; 432. a foot supporting sleeve; 433. a connection bump; 5. a locking member; 51. abutting the sheet; 52. a plug-in part; 53. fixing a clamping hook; 54. clamping hooks; 55. a yielding groove; 6. a plug-in unit; 61. blocking edges; 62. a fixed end; 63. a connecting surface; 64. a vertical locking notch; 7. a limiting member; 71. a limiting block; 72. a limiting rod; 73. a limit pin; 8. hooking; 81. hanging holes; 90. a locking hole; 91. a U-shaped hole; 92. an elastic sheet; 93. a locking projection; 94. a guide surface.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

In the embodiment, the desk is integrally formed by splicing injection-molded parts without other connecting parts as shown in figure 1. Comprises a base 1 and a table body 2 which is fixed on the base 1 in an overlapping way; the height of the base 1 can be adjusted, and the upper and lower adjustment of the position of the table body 2 can be realized by adjusting the height of the base 1 so as to meet different requirements.

As shown in fig. 1 and 2, the base 1 includes supporting legs 3 disposed on two sides of the table body 2 for supporting, and a supporting frame 4 connected to the supporting legs 3. The supporting foot 3 comprises a hollow upper foot body 31 and a hollow lower foot body 32, and the upper foot body 31 is inserted into and slides in the lower foot body 32. The supporting frame 4 includes an upper frame body 41, a lower frame body 42 and a bracket body 43, the upper frame body 41 is connected between the upper leg body 31 and the lower leg body 32 of the two-side supporting legs 3, the lower frame body 42 is connected on the lower leg body 32 of the two-side supporting legs 3, and the bracket body 43 is connected on the upper leg body 31 of the two-side supporting legs 3.

As shown in fig. 3, the upper leg body 31 is provided with a plurality of upper fixing holes 311, three in the embodiment, horizontally arranged at equal intervals along the vertical direction, and each upper fixing hole 311 is correspondingly provided with a scale; the lower leg body 32 is provided with a lower fixing hole 321 with the same shape as the upper fixing hole 311; a plug connector 6 is arranged between the upper leg body 31 and the lower leg body 32; after the height of the supporting foot 3 is determined, the plug-in unit 6 sequentially passes through the upper fixing hole 311 and the lower fixing hole 321, and the upper foot body 31 and the lower foot body 32 are fixed.

As shown in fig. 3, the upper frame body 41 includes an upper stay 411 disposed in the middle and an upper foot cover 412 integrally connected to two ends of the upper stay 411 and adapted to be sleeved on the two side supporting feet 3; the upper stay 411 is horizontally bent towards the rear side of the table body 2 to form a U shape.

As shown in fig. 4, the plug-in unit 6 includes a stopper 61 abutting on an outer wall of the lower leg body 32 and a fixing end 62 penetrating through the upper fixing hole 311 and the lower fixing hole 321. The outer side of the blocking edge 61 is provided with an inclined connecting surface 63 along the vertical direction, and the plug connector 6 is prevented from directly penetrating out of the upper fixing hole 311 and the lower fixing hole 321 by abutting against the outer wall of the lower pin body 32; vertical locking notches 64 are formed at both sides of the fixed end 62 in the vertical direction.

As shown in fig. 3 and 4, a locking groove 414 (see fig. 5) clamped on the vertical locking notch 64 is formed on one side of the upper foot sleeve 412 facing the upper stay 411, and a flange 415 covering and attached to the retaining edge 61 is formed on one side of the upper foot sleeve 412 away from the upper stay 411. Therefore, one end of the connector 6 is engaged with the upper leg cover 412, and the other end is abutted against the lower leg body 32 to be fixed. In addition, the flange 415 abuts the connecting surface 63 to maintain the tight engagement between the upper housing 412 and the connector 6.

Specifically, as shown in fig. 3 and 4, the upper side of the upper foot cover 412 is integrally connected with an upper cover part 413 sleeved on the upper foot body 31, and the upper cover part 413 is smaller than the upper foot cover 412; the upper cover part 413 is sleeved on the upper foot body 31, and the upper cover 412 is sleeved on the lower foot body 32, so that the upper cover 412 has a positive effect on the stable connection between the upper foot body 31 and the lower foot body 32.

As shown in fig. 3 and 4, the upper leg body 31 is provided with upper limiting holes 312 at the lower sides of the upper two upper fixing holes 311, and the lower leg body 32 is provided with lower limiting holes 322 at the lower sides of the lower fixing holes 321; the stopper 7 for supporting the upper leg cover 412 in abutment is provided below the plug-in unit 6, and when the stopper 7 is fixed by the upper stopper hole 312 and the lower stopper hole 322 at the same time of plugging, it may be fixed by only the lower stopper hole 322.

Specifically, as shown in fig. 3 and 4, the limiting member 7 includes a limiting block 71 abutting against the outer wall of the lower leg body 32, a limiting rod 72 integrally connected to the limiting block 71 and horizontally inserted into the upper limiting hole 312 and the lower limiting hole 322, and a limiting nail 73 abutting against the inner wall of the lower leg body 32 and detachably connected to the limiting rod 72. In this embodiment, a counter bore is formed in one side of the limiting rod 72 facing the limiting nail 73, and a chamfer is formed at the end of the limiting nail 73; the limit nail 73 is inserted into the counter bore and is in interference fit with the counter bore. The stopper 71 is shaped like the flange 415, and has a right-angled triangle cross section, and abuts against the lower end of the flange 415 to support the flange 415 for stopping.

The specific process of supporting legs 3 height adjustment is: first, the height is selected, and the stopper 7 is inserted into the corresponding upper stopper hole 312 and the lower stopper hole 322 and fixed. Then, inserting the plug connector 6 into the corresponding upper fixing hole 311 and the lower fixing hole 321, and finally, sliding the upper frame body 41 downwards, so that the locking groove 414 is clamped into the vertical locking notch 64, and the flange 415 is attached to the connecting surface 63 to fix the plug connector 6; in addition, the limiting block 71 abuts against the lower part of the upper foot sleeve 412 to support the upper foot sleeve 412 and limit the upper foot sleeve.

As shown in fig. 5, an arched bottom frame 323 is integrally connected to the lower end of the lower leg body 32, and a plate-shaped reinforcing rib 324 is provided between the bottom frame 323 and the lower end of the lower leg body 32, thereby increasing the connection strength between the lower leg body 32 and the bottom frame 323. The base frame 323 comprises support feet 325 arranged on two sides and used for supporting on the ground, a base plate 326 is detachably connected to the support feet 325, the base plate 326 improves the contact area of the support feet 325 and the ground, an annular convex pattern 328 is arranged on the bottom surface of the base plate 326, the convex pattern 328 increases the friction between the base plate 326 and the ground, and the base frame 323 can be supported on the ground more stably. In this embodiment, a hollow injection molding insertion tube is integrally molded on one side of the backing plate 326 facing the bottom frame 323, an injection molding sleeve for inserting the insertion tube is integrally molded on the support leg 325, and the injection molding insertion tube and the injection molding sleeve are in interference fit, so that the backing plate 326 and the support leg 325 are stably connected.

As shown in fig. 5, the lower frame 42 is installed at the bottom of the lower leg body 32, and includes a lower supporting rod 421 disposed at the middle portion and lower leg sleeves 422 integrally connected to two ends of the lower supporting rod 421 and respectively sleeved on the lower leg bodies 32 at two sides. The lower stay 421 is bent downward to form a U-shape. A horizontal reinforcing sheet 327 which is parallel to and attached to the side wall of the lower support 421 and attached to the inner side of the side wall of the lower support 421 is integrally molded on one side of the inner wall surface of the bottom frame 323 facing the lower support 421. The bottom that lower podotheca 422 corresponds the both sides of strengthening rib 324 is provided with muscle groove 423, and the laminating joint of muscle groove 423 is on strengthening rib 324. When the lower frame body 42 is fixed on the lower leg body 32, the horizontal reinforcing pieces 327 and the lower support rods 421 and the rib grooves 423 and the reinforcing ribs 324 are in interference fit, so that the connection stability between the lower frame body 42 and the lower leg body 32 is improved.

As shown in fig. 6 and 7, the table body 2 includes a table top plate 21 and a table drawer frame 22. The table top plate 21 is integrally formed as an integrally molded plate structure, and a pen slot 211 for placing a pen is formed in the rear side of the top surface of the table top plate 21. The bottom surface of the table top plate 21 is provided with connecting columns 212 which are integrally molded at the positions close to the four corners, and the middle part of the rear side of the bottom surface of the table top plate 21 is provided with clamping columns 214 integrally molded. Two sides of the outer wall of the bottom of the connecting column 212 are provided with horizontal grooves 213 parallel to the length direction of the table top plate 21; the clamping column 214 is provided with a variable groove 215 along the axial direction, and two sides of the bottom of the clamping column 214 are provided with column edges 216.

As shown in fig. 6 and 7, the table drawer frame 22 includes a frame body 221 and a flange 222 integrally connected to the frame body 221 and horizontally folded outwards; the flange 222 is shaped like Contraband and includes a connection hole 223 corresponding to the connection post 212 for the connection post 212 to pass through, a fastening hole 224 corresponding to the fastening post 214 for the fastening post 214 to insert, and a material reducing hole 225 disposed between the connection holes 223 at both sides and at both sides of the fastening hole 224. Wherein the connecting post 212 has an outer diameter equal to the connecting hole 223 directly penetrating through the connecting hole 223. The aperture of the clamping hole 224 is slightly smaller than the outer diameter of the clamping column 214, and a progressive groove 226 for the clamping column 214 edge is arranged at the bottom of the clamping hole 224. The post rim 216 is provided with a ramp for guiding the post rim 216 into the snap-fit hole 224. When the clamping columns 214 are connected with the clamping holes 224, the clamping columns 214 are extruded by the clamping holes 224 and are turned and deformed towards one side of the deformation groove 215, the size of the deformation groove 215 is reduced, and the outer diameter of the clamping columns 214 is reduced and penetrates through the clamping holes 224. After the post rim 216 passes through the engaging hole 224, the engaging post 214 is elastically restored to the outside, so that the post rim 216 is engaged with the advancing slot 226. The initial fixation of the table drawer frame 22 and the table top plate 21 is realized.

As shown in fig. 8, a horizontally disposed mounting plate 310 is integrally connected to the upper end of the upper leg body 31, a guard plate 313 vertically extends upward from both the outer side and both sides of the outer edge of the mounting plate 310, and the inner side has no guard plate 313. For convenience of description, the outer shield 313 is designated as an outer shield 314. The mounting plate 310 is provided with a plurality of separating sheets 315 which are symmetrically arranged along the extending direction of the outer protecting plate 314 and are perpendicular to the outer protecting plate 314. Wherein, the upper end of the partition 315 adjacent to the outer sides of the two ends is integrally connected with a positioning plate 316 which is horizontally arranged, and the middle part of the positioning plate 316 is provided with a positioning hole 317 for the connecting column 212 to penetrate.

As shown in fig. 6 and 8, the outer guard 314 has insertion holes 3141 on both sides corresponding to the connection post 212 and a locking hole 3142 in the middle. And the outer guard plate 314 is provided with a locking member 5 which connects the mounting plate 310 and the table top plate 21 through an insertion hole 3141. The locking piece 5 includes a contact piece 51 contacting the outer shield 314, an insertion portion 52 disposed at two sides of the contact piece 51 and inserted into the insertion hole 3141, and a clamping portion for clamping on the partition 315. The clamping portion includes a fixing hook 53 and a clamping hook 54, the fixing hook 53 is disposed in the middle of the abutting piece 51 and is integrally U-shaped, the fixing hook 53 is inserted into the locking hole 3142 during fixing, and two sides of the fixing hook are clamped on the side wall of the end of the separating piece 315 away from the outer protecting plate 314. The clamping hooks 54 are disposed on two sides of one end of the inserting portion 52 away from the abutting piece 51, and the clamping hooks 54 are clamped on a side wall of one end of the separating piece 315 away from the outer protecting plate 314.

As shown in fig. 8, the inserting portion 52 includes an avoiding groove 55 disposed at a middle portion of one end away from the abutting piece 51. When the insertion part 52 is completely inserted into the insertion hole 3141, the relief grooves 55 are engaged with the horizontal grooves 213 at both sides of the connection post 212. In addition, in order to facilitate the insertion part 52 to pass through the horizontal slot 213, an end of the insertion part 52 away from the outer shield 314 is provided with an inclined guide surface. In order to increase the clamping stability of the clamping hook 54, clamping ribs 318 (see fig. 9) for clamping the clamping hook 54 extend downward from two sides of the positioning plate, so as to increase the clamping area of the clamping hook 54.

The outer guard 314 is provided with a groove 3143 into which the contact piece 51 is inserted, and when the contact piece 51 is inserted into the groove 3143, the contact piece 51 is at the same level as the outer end surface of the connection plate. And the two ends of the lower side of the embedded groove 3143 are communicated with unlocking grooves 3144, and the unlocking grooves 3144 are used for conveniently digging out the abutting sheets 51 clamped in the embedded groove 3143.

Therefore, when the connecting post 212 is inserted into the positioning hole 317, the positioning hole 317 horizontally positions the connecting post 212 to limit the horizontal sliding of the connecting post 212. Then the inserting part 52 horizontally penetrates into the inserting hole 3141 and the horizontal groove 213 in sequence to vertically position the mounting plate 310 and the table top plate 21 so as to prevent the mounting column from vertically sliding; meanwhile, the locking piece 5 is fixed by clamping the locking piece 5 on the separating sheet 315 through the clamping hook 54 and the clamping part. Thereby achieving the fixed connection between the table top plate 21, the table drawer frame 22, the mounting plate 310 and the locking member 5.

As shown in fig. 9, the connecting plate has hanging holes 81 below the positioning pieces 316 on both sides, and hooks 8 are fixed in the hanging holes 81 in a clamping manner, wherein the clamping manner between the hooks 8 and the hanging holes 81 is similar to the clamping manner between the clamping posts 214 and the clamping holes 224, and therefore, the details are not repeated.

As shown in fig. 6 and 7, the bracket body 43 includes a horizontal support rod 431 disposed at the middle portion and support leg sleeves 432 connected to both ends of the lower horizontal support rod 431 and respectively sleeved on the upper leg bodies 31 at both sides. Wherein the upper end surface of the horizontal support rod 431 is attached to the lower end surface of the table drawer frame 22, four connecting protrusions 433 are uniformly distributed on the upper end surface of the horizontal support rod 431 in the extending direction, and a connecting jack 227 for clamping the connecting protrusions 433 is arranged on the frame body 221. Therefore, the table drawer frame 22 is still stable after being placed on the support frame 4 of the bracket body 43 and heavier weight can be placed.

As shown in fig. 6 and 10, in order to further improve the connection stability between the foot supporting sleeve 432, the upper foot sleeve 412, the lower foot sleeve 422 and the supporting foot 3, locking holes 90 are respectively formed in the middle parts of the outer walls of the foot supporting sleeve 432, the upper foot sleeve 412 and the lower foot sleeve 422, and locking protrusions 93 for being clamped in the locking holes 90 are arranged at the fixing positions of the upper foot body 31 and the lower foot body 32 corresponding to the foot supporting sleeve 432, the upper foot sleeve 412 and the lower foot sleeve 422.

As shown in fig. 6 and 10, the support leg 3 has a U-shaped hole 91 formed on the outer side corresponding to the lock projection 93, an elastic piece 92 capable of being deformed by being turned inside out is formed on the inner side of the U-shaped hole 91, and the lock projection 93 is integrally connected to the elastic piece 92. The side of the locking protrusion 93 facing the foot supporting sleeve 432, the upper foot sleeve 412 or the lower foot sleeve 422 is provided with an inclined guide surface 94, so that the locking protrusion 93 can be directly clamped into the locking hole 90 of the foot supporting sleeve 432, the upper foot sleeve 412 or the lower foot sleeve 422 in the process of sliding the foot supporting sleeve 432, the upper foot sleeve 412 or the lower foot sleeve 422.

The desk is installed:

step 1, the lower foot sleeves 422 on the two sides of the lower frame body 42 are respectively sleeved on the two lower foot bodies 32, and the supporting foot sleeves 432 on the two sides of the bracket body 43 and the upper foot sleeves 412 on the two sides of the upper frame body 41 are respectively sleeved on the two upper foot bodies 31 in sequence.

And 2, sliding the lower frame body 42 to the bottom of the lower foot body 32, clamping the lower frame body 42 to the bottom of the lower foot body 32 through the rib groove 423 and the reinforcing rib 324, and clamping the locking lug 93 on the lower side of the lower foot body 32 to the locking hole 90 outside the lower foot sleeve 422 to fix the lower frame body 42. The leg supporting sleeve 432 is slid onto the top of the upper leg body 31, and is clamped with the locking protrusion 93 on the upper leg body 31 and the locking hole 90 outside the leg supporting sleeve 432, so as to fix the bracket body 43.

Step 3, inserting the upper leg body 31 into the lower leg body 32, after selecting a proper position, inserting a limiting piece 7 into the lower limiting hole 322 and fixing, inserting the plug connector 6 into the lower fixing hole 321, and then sliding the upper frame body 41 downward until the locking groove 414 of the upper leg sleeve 412 is clamped on the vertical locking notch 64 of the plug connector 6; at this time, the locking protrusion 93 on the upper side of the lower leg body 32 is engaged with the locking hole 90 outside the upper leg sleeve 412, and the limiting block 71 provides support for the upper leg sleeve 412, so as to fix the upper leg body 31, the lower leg body 32, the plug connector 6 and the upper frame body 41.

And 4, mounting the table top plate 21 on the table drawer frame 22, enabling the connecting column 212 to penetrate through the connecting hole 223, and clamping the clamping column 214 in the clamping hole 224 to realize initial fixation of the table top plate 21 and the table drawer frame 22.

Step 5, integrally placing the table top plate 21 and the table drawer frame 22 between the upper foot bodies 31 and the bracket bodies 43 on the two sides; so that the connection post 212 of the table top plate 21 passes through the positioning hole 317 and the connection protrusion 433 of the lower bracket body 43 is snapped into the connection receptacle 227 of the table drawer frame 22.

Step 6, inserting the connecting locking piece 5 on the outer protective plate 314, so that the inserting part 52 is inserted into the horizontal groove 213 through the insertion hole 3141, and the clamping hook 54 and the fixed clamping hook 53 abut against the end part of the separating sheet 315 to generate a supporting force for preventing the inserting part 52 from returning; the locking piece 5, the connecting plate, the table drawer frame 22 and the table top plate 21 are fixedly connected.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the design concept of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a desk, includes the table body (2) and base (1) of fixed connection in the table body (2) below, its characterized in that: the table body (2) comprises a table top plate (21) and a table drawer frame (22), two sides of the bottom of the table top plate (21) along the length direction are integrally connected with a plurality of connecting columns (212) which extend vertically, and the bottoms of the connecting columns (212) are provided with horizontal grooves (213) which are parallel to the length direction of the table top plate (21); the table drawer frame (22) comprises a turned edge (222) which is horizontally turned outwards, and a connecting hole (223) for the connecting column (212) to be inserted and penetrated is formed in the position, corresponding to the connecting column (212), of the turned edge (222);

mounting plates (310) are horizontally arranged on two sides of the upper end of the base (1), an outer guard plate (314) vertically and upwardly extends from one side of the mounting plate (310) in the length direction, a positioning sheet (316) which is horizontally arranged corresponding to the connecting column (212) and is used for abutting the flange (222) is integrally connected to the upper side of the outer guard plate (314), and a positioning hole (317) for the connecting column (212) to be inserted and passed is formed in the positioning sheet (316); the outer guard plate (314) is horizontally provided with insertion holes (3141) at positions corresponding to the connecting columns (212), the outer guard plate (314) is provided with locking holes (3142) between the insertion holes (3141), a locking piece (5) is installed on the outer guard plate (314), the locking piece (5) comprises a butting piece (51) butted on the outer guard plate (314), an insertion part (52) extending from one side of the butting piece (51) and used for penetrating into the insertion holes (3141) and horizontally inserting into the horizontal groove (213), and a clamping part used for clamping and fixing the mounting plate (310), and the mounting plate (310) is vertically provided with a separation piece (315) for fixing the clamping part in a clamping manner along the length direction; the separating sheet (315) is vertically arranged between the positioning holes (317);

the clamping part comprises a fixed clamping hook (53) and a clamping hook (54), the fixed clamping hook (53) is arranged in the middle of the abutting sheet (51) and is integrally U-shaped, the fixed clamping hook (53) is inserted into the lock hole (3142) during fixing, two sides of the fixed clamping hook are respectively clamped on the side wall of one end, away from the outer guard plate (314), of the partition sheet (315), the clamping hook (54) is arranged on two sides of one end, away from the abutting sheet (51), of the inserting part (52), and the clamping hook (54) is clamped on the side wall of one end, away from the outer guard plate (314), of the partition sheet (315);

horizontal slot (213) set up in the both sides of spliced pole (212) outer wall, groove (55) of stepping down that is used for joint horizontal slot (213) outside is offered towards one side middle part of spliced pole (212) in grafting portion (52), grafting portion (52) insert completely behind jack (3141), groove (55) of stepping down are gone into in horizontal slot (213) of spliced pole (212) both sides, horizontal slot (213) are passed in grafting portion (52), the one end that outer casing (314) were kept away from in grafting portion (52) is provided with the spigot surface of slope, the both sides downwardly extending of spacer (316) has the confession joint muscle (318) that (54) joint was colluded to the joint, supply with the increase the area that (54) joint was colluded to the joint.

2. The desk of claim 1, wherein: a clamping column (214) is arranged on the rear side of the bottom of the table top plate (21), and a clamping hole (224) for inserting the clamping column (214) is formed in the flanging (222); a variable groove (215) is formed in the middle of the clamping column (214) along the axial direction, and column edges (216) are arranged on two sides of the bottom of the clamping column (214); the aperture of joint hole (224) is less than the external diameter of joint post (214), and is provided with in the bottom in joint hole (224) and supplies the post to follow progressive groove (226) of (216) joint.

3. The desk of claim 1, wherein: hanging holes (81) are formed in two sides of the mounting plate (310), and hooks (8) are fixedly clamped in the hanging holes (81).

4. The desk of claim 1, wherein: the base (1) comprises supporting legs (3) arranged on two sides of the table body (2) and a supporting frame (4) connected with the supporting legs (3) on the two sides; the supporting legs (3) comprise hollow upper leg bodies (31) and lower leg bodies (32), and the upper leg bodies (31) are inserted and slide in the lower leg bodies (32); the support frame (4) comprises an upper frame body (41), and the upper frame body (41) is connected between an upper foot body (31) and a lower foot body (32) of the support feet (3) on two sides and used for fixing the upper foot body (31) and the lower foot body (32).

5. The desk of claim 4, wherein: the upper foot body (31) is provided with a plurality of upper fixing holes (311) at equal intervals along the vertical direction; the lower foot body (32) is provided with a lower fixing hole (321) with the same shape as the upper fixing hole (311); a plug connector (6) is arranged between the upper foot body (31) and the lower foot body (32), and the plug connector (6) comprises a blocking edge (61) which is abutted against the outer wall of the lower foot body (32) and a fixed end (62) which penetrates out of the upper fixed hole (311) and the lower fixed hole (321); the upper frame body (41) comprises an upper stay bar (411) arranged in the middle and upper foot sleeves (412) which are respectively and integrally connected to the two ends of the upper stay bar (411) and are sleeved and slid on the upper foot body (31); vertical fore shaft (64) have been seted up along vertical direction in stiff end (62), go up podotheca (412) and be provided with locked groove (414) of joint on vertical fore shaft (64) towards one side of horizontal vaulting pole.

6. The desk of claim 5, wherein: the upper foot body (31) is correspondingly provided with an upper limiting hole (312) at the lower side of the fixing hole, and the lower foot body (32) is correspondingly provided with a lower limiting hole (322) at the lower side of the lower fixing hole (321); the lower part of the plug connector (6) is provided with a limiting part (7) which is abutted and supported by the upper foot sleeve (412), the limiting part (7) comprises a limiting block (71) which is abutted and supported by the outer wall of the lower foot body (32) and is used for abutting and supporting the upper foot sleeve (412), a limiting rod (72) which is integrally connected with the limiting block (71) and is horizontally inserted into the upper limiting hole (312) and the lower limiting hole (322) and a limiting nail (73) which is abutted and supported by the inner wall of the lower foot body (32) and is detachably connected with the limiting rod (72).

7. The desk of claim 6, wherein: the support frame (4) further comprises a lower frame body (42) connected to the lower leg bodies (32) on the two sides, and the lower frame body (42) comprises a lower support rod (421) arranged in the middle and lower leg sleeves (422) which are integrally connected to the two ends of the lower support rod (421) and are respectively sleeved on the lower leg bodies (32) on the two sides; the lower end of the lower leg body (32) is integrally connected with an arched bottom frame (323), a plate-shaped reinforcing rib (324) is arranged between the bottom frame (323) and the lower end of the lower leg body (32), and the lower support rod (421) is bent downwards to form a U shape; a horizontal reinforcing sheet (327) which is parallel to and attached to the side wall of the lower support rod (421) and attached to the inner side of the side wall of the lower support rod (421) is integrally molded on one side, facing the lower support rod (421), of the inner wall of the bottom frame (323); the bottom that lower podotheca (422) corresponds both sides of strengthening rib (324) is provided with muscle groove (423), muscle groove (423) laminating joint is on strengthening rib (324).

8. The desk of claim 7, wherein: the support frame (4) also comprises a bracket body (43) which is connected with the foot bodies (31) on the two sides and is used for supporting the table drawer frame (22); the bracket body (43) comprises a horizontal support rod (431) arranged in the middle and foot support sleeves (432) which are integrally connected to two ends of the horizontal support rod (431) and are respectively sleeved on the upper foot bodies (31) on two sides; the up end of horizontal die-pin (431) fits the lower terminal surface of table steamer tray frame (22), just the up end extension degree direction evenly distributed of horizontal die-pin (431) has a plurality of connection lugs (433), set up on table steamer tray frame (22) and supply to connect connecting jack (227) of lug (433) joint.

9. The desk of claim 8, wherein: a locking hole (90) is formed in the outer wall of the upper foot sleeve (412), and a locking lug (93) clamped in the locking hole (90) is arranged on the lower foot body (32); the lower foot body (32) is provided with a U-shaped hole (91) corresponding to the outer side of the locking lug (93), and the lower foot body (32) forms an elastic sheet (92) for integrally connecting the locking lug (93) on the inner side of the U-shaped hole (91);

the mounting method of the desk comprises the following steps:

step 1, respectively sleeving lower foot sleeves (422) on two sides of a lower frame body (42) on two lower foot bodies (32), and respectively sequentially sleeving foot supporting sleeves (432) on two sides of a bracket body (43) and upper foot sleeves (412) on two sides of an upper frame body (41) on two upper foot bodies (31);

step 2, the lower frame body (42) is slid to the bottom of the lower foot body (32) and clamped with the reinforcing ribs (324) through the rib grooves (423), and the locking convex blocks (93) on the lower side of the lower foot body (32) are clamped with the locking holes (90) outside the lower foot sleeve (422), so that the lower frame body (42) is fixed; the foot supporting sleeve (432) is slid to the top of the upper foot body (31), and the locking lug (93) on the upper foot body (31) is clamped with the locking hole (90) outside the foot supporting sleeve (432), so that the bracket body (43) is fixed;

step 3, inserting the upper foot body (31) into the lower foot body (32), after selecting a proper position, inserting a limiting piece (7) into the lower limiting hole (322) and fixing, inserting the plug connector (6) into the lower fixing hole (321), and then sliding the upper frame body (41) downwards until the locking groove (414) of the upper foot sleeve (412) is clamped on the vertical locking notch (64) of the plug connector (6); at the moment, the locking lug (93) on the upper side of the lower foot body (32) is clamped with the locking hole (90) outside the upper foot sleeve (412), and the limiting block (71) provides support for the upper foot sleeve (412) to realize the fixation of the upper foot body (31), the lower foot body (32), the plug connector (6) and the upper frame body (41);

step 4, mounting the table top plate (21) on the table drawer frame (22), enabling the connecting column (212) to penetrate through the connecting hole (223), and clamping the clamping column (214) in the clamping hole (224) to achieve initial fixation of the table top plate (21) and the table drawer frame (22);

step 5, integrally placing the table top plate (21) and the table drawer frame (22) between the upper foot bodies (31) and the bracket bodies (43) on the two sides; the connecting post (212) on the table top plate (21) penetrates through the positioning hole (317), and the connecting lug (433) on the bracket body (43) is clamped into the connecting jack (227) of the table drawer frame (22);

step 6, inserting a connecting locking piece (5) on the outer protective plate (314), so that the inserting part (52) is inserted into the horizontal groove (213) through the insertion hole (3141), and the clamping hook (54) and the fixing hook (53) abut against the end part of the separating sheet (315) to generate a supporting force for preventing the inserting part (52) from returning; the fixed connection of the locking piece (5), the mounting plate (310), the table drawer frame (22) and the table top plate (21) is realized.