CN207949405U - Adjustment base and desk and chair - Google Patents

Abstract

The utility model discloses a kind of adjustment base and desk and chair, which includes the upper frame of the support leg and horizontal connection foot supported on both sides that are set to both sides；The support leg includes leftover bits and pieces body, sliding in the internal upper foot body and plug connector of getting a foothold, vertically level offers several upper mounting holes to the upper foot body, lower fixed hole is offered on the leftover bits and pieces body, level is plugged in mounting hole and lower fixed hole the plug connector successively, and plug connector includes the fixing end that one end is connected to the gear edge for external side of getting a foothold and is pierced by from upper mounting hole and lower fixed hole；The upper frame includes being set to the upper strut at middle part and being integrally connected to the socket sliding of strut both ends respectively in the upper footmuff on upper foot body；The fixing end vertically offers vertical fore shaft, and the face upward side of strut of the upper footmuff is provided with the locked groove being connected on vertical fore shaft, and the utility model has installation process without using tool, the convenient effect of operating process.

Description

Adjustment base and desk and chair

Technical field

The utility model is related to study article fields, and more specifically it is related to a kind of adjustment base.

Background technology

Currently, the Chinese patent that notification number is CN202407747U discloses a kind of desk and chair adjusting supporting rack, including support Other plate, support leg, support side plate are mounted on support leg top, further include hex bolts and hex nut, the hexagonal spiral shell Bolt and hex nut will support other plate, support leg to link into an integrated entity.

It is similar to above-mentioned desk and chair in the prior art and adjusts supporting rack, is pacified desk and chair by the cooperation of bolt and nut Dress, if therefore can not find the tool for screwing bolt and nut before desk and chair is installed, will be unable to that desk and chair is carried out to stablize installation, have It is to be modified.

Utility model content

In view of the deficienciess of the prior art, the first of the utility model is designed to provide a kind of adjustment base, it is excellent Point is installation process without using tool, and operating process is convenient.The second of the utility model is designed to provide a kind of desk, It the advantage is that installation process without using tool.The third of the utility model is designed to provide a kind of tablet chair, and advantage exists In installation process without using tool.

To achieve the above object, the utility model provides following technical solution：A kind of adjustment base, including it is set to two The upper frame of the support leg of side and horizontal connection foot supported on both sides；The support leg include hollow leftover bits and pieces body, vertical grafting simultaneously It slides in internal upper foot body and the plug connector for being fixedly connected with upper foot body and leftover bits and pieces body of getting a foothold, the upper foot body is along vertical side Several upper mounting holes are offered to level, lower fixed hole are offered on the leftover bits and pieces body, level is plugged in the plug connector successively In upper mounting hole and lower fixed hole, and plug connector includes that one end is connected to the gear edge for external side of getting a foothold and from upper mounting hole and lower solid Determine the fixing end being pierced by hole；The upper frame includes being set to the upper strut at middle part and being integrally connected to strut both ends respectively Socket sliding is in the upper footmuff on upper foot body；The fixing end vertically offers vertical fore shaft, the upper footmuff towards The side of upper strut is provided with the locked groove being connected on vertical fore shaft.

By using above-mentioned technical proposal, upper frame is socketed on the upper foot body of both sides first, then by upper foot body grafting It is internal getting a foothold, and vertically in sliding in vivo of getting a foothold；After upper foot body is moved to suitable position, by the way that plug connector is divided Cha Ru not be in upper mounting hole and lower fixed hole so that the gear edge of plug connector is connected on the outer wall of leftover bits and pieces body, foot body in realization, under The Primary Location of foot body and plug connector.Then again by sliding upper frame downwards so that the lock on the upper footmuff at upper frame both ends Slot is connected on the vertical fore shaft of plug connector fixing end under upper, is limited the horizontal sliding of plug connector, is realized to upper foot Fixation between body and leftover bits and pieces body.And the locked groove on upper frame can be stablized and be connected on vertical fore shaft under gravity, it is real Now it is stably connected with.To sum up technical solution has abandoned traditional bolt connection and has realized fixation by the overlap joint between component, overlaps Cheng Wuxu tools, operating process are convenient；The support leg of both sides is connected to additionally, due to upper frame after fixation, on fixed basis On, further enhance the stability of adjustment base entirety.

The utility model is further arranged to：The outside on the gear edge is vertically provided with inclined joint face, institute State the low side of joint face upward；The flange for covering at gear along outside is provided on the upper footmuff.

By using above-mentioned technical proposal, and since joint face is obliquely installed, when flange is socketed on the outside of joint face It waits, joint face will gradually be pushed against upper footmuff outward by flange so that joint face and flange inner wall fit closely, and are promoted The compactness connected between upper footmuff and plug connector.

The utility model is further arranged to：The upper foot body is correspondingly arranged on upper limit in the downside of upper mounting hole Hole, the leftover bits and pieces body are correspondingly arranged on lower limit hole on the downside of lower fixed hole, water successively are provided with below the plug connector Plug flat is connected to the locating part in upper limit hole and lower limit hole and for abutting the upper footmuff of support.

By using above-mentioned technical proposal, locating part is plugged in the upper limit hole and lower limit hole on the downside of plug connector, real The now fixation between leftover bits and pieces body；In addition locating part can provide support by the upper footmuff limitation of abutting for upper footmuff；In upper foot After set is fixed, footmuff stability under loading in holding.

The utility model is further arranged to：The locating part includes the limited block integrally connected for being connected to external wall of getting a foothold Getting a foothold internal wall and gag lever post in limited block and the horizontal gag lever post being plugged in upper limit hole and lower limit hole and being connected to can The banking pin of dismantling connection.

By using above-mentioned technical proposal, limited block, which is connected to, gets a foothold on external wall, and stable support is provided for upper footmuff；Limit It is detachably connected between position nail and gag lever post, can be convenient for when adjusting support leg height, release the stationary state of locating part.

The utility model is further arranged to：The rectangular triangle in section of the limited block.

By using above-mentioned technical proposal, the limited block of right angled triangle, a right-angle side and consideration of getting a foothold are closed and are kept certainly Body stability, another upper footmuff of right-angle side support provide and stablize support；And bevel edge is tilted in while enhancing overall stability, Also there is guiding role, reduce the damage to human body when being collided with human body.

The utility model is further arranged to：The upper foot body is offered perpendicular to upper mounting hole through the both sides in direction Slide, the both sides of the leftover bits and pieces body offer the lower slide being socketed on outside slide.

By using above-mentioned technical proposal, upper slide is socketed by lower slide, is increased between foot body and leftover bits and pieces body Contact area；When upper foot body slides relative to leftover bits and pieces body, more stablize.

The utility model is further arranged to：The upper footmuff includes the upper set for being set to upside for being socketed on foot body Portion and it is integrally connected to the portion that traps that set subordinate end is used to be socketed leftover bits and pieces body.

By using above-mentioned technical proposal, upper footmuff fits closely upper foot body by upper set portion, and the portion of trapping fits closely down Foot body, realization and the close connection between upper foot body and leftover bits and pieces body；The inner wall in upper set portion can be connected on leftover bits and pieces body simultaneously, Also function to the effect of limit.

The utility model is further arranged to：The leftover bits and pieces body is provided with flexible locking on the upside of lower fixed hole Convex block is provided with the lock hole being caught in for lock tab on the outside of the upper footmuff.

By using above-mentioned technical proposal, in lock hole face lock tab, lock tab is clamped by natural resiliency In lock hole so that upper footmuff also can still keep being fixedly connected between leftover bits and pieces body in the upward active force being subject to.

Description of the drawings

Fig. 1 is the structural schematic diagram of embodiment one；

Fig. 2 is the exploded perspective view of embodiment one；

Fig. 3 is the enlarged diagram of A in Fig. 2；

Fig. 4 is the exploded perspective view that embodiment one highlights leftover bits and pieces body structure；

Fig. 5 is the enlarged diagram of B in Fig. 3；

Fig. 6 is the structural schematic diagram of embodiment two；

Fig. 7 is the structural schematic diagram of embodiment three.

Reference sign：1, support leg；11, upper foot body；111, upper mounting hole；112, upper limit hole；113, mounting plate； 114, upper slide；12, leftover bits and pieces body；121, lower fixed hole；122, lower limit hole；123, chassis；124, reinforcing rib；125, stabilizer blade； 126, backing plate；127, horizontal reinforced sheet；128, burr；129, lower slide；2, supporting rack；21, upper frame；211, upper strut； 212, upper footmuff；213, upper set portion；214, trap portion；215, locked groove；216, flange；22, lower frame；221, lower supporting rod；222、 Lower footmuff；223, muscle slot；3, plug connector；31, edge is kept off；32, fixing end；33, joint face；34, vertical fore shaft；4, locating part；41、 Limited block；42, gag lever post；43, banking pin；50, lock hole；51, U-shaped hole；52, elastic piece；53, lock tab；54, it guides Face.

Specific implementation mode

The utility model is described in further detail below in conjunction with attached drawing.

Embodiment one, a kind of adjustment base, as shown in Figure 1, as shown in Figure 1, including being set to what both sides played a supportive role Support leg 1 and the supporting rack 2 for connecting foot 1 supported on both sides.Support leg 1 includes hollow upper foot body 11 and leftover bits and pieces body 12, upper foot body 11 grafting simultaneously slide in leftover bits and pieces body 12.Supporting rack 2 includes upper frame 21 and lower frame 22, and upper frame 21 is connected to supported on both sides Between the upper foot body 11 and leftover bits and pieces body 12 of foot 1, lower frame 22 is connected on the leftover bits and pieces body 12 of foot 1 supported on both sides.

As shown in Fig. 2, the upper end of upper foot body 11 is wholely set the mounting plate 113 for being useful for installation desktop or seat.On Foot body 11 is vertically horizontal equidistantly to offer several upper mounting holes 111, is three in the present embodiment, and each upper fixation It is correspondingly arranged on scale on hole 111；Shape lower fixed hole identical with upper mounting hole 111 there are one being opened up on leftover bits and pieces body 12 121；It is provided with plug connector 3 between upper foot body 11 and leftover bits and pieces body 12；It is after determining 1 height of support leg, plug connector 3 is horizontal successively Across upper mounting hole 111 and lower fixed hole 121, the fixation between upper foot body 11 and leftover bits and pieces body 12 is realized.

As shown in Fig. 2, upper frame 21 includes being set to the upper strut 211 at middle part and being integrally connected to 211 both ends of strut And the upper footmuff 212 for being socketed on foot 1 supported on both sides.

As shown in figure 3, plug connector 3 includes being connected to the gear of 12 outer wall of leftover bits and pieces body along 31 and from upper mounting hole 111 and lower solid Determine the fixing end being pierced by hole 121 32.Gear is vertically provided with inclined joint face 33 along 31 outside, by under abutting 12 outer wall of foot body, prevents plug connector 3 to be directly pierced by from upper mounting hole 111 and lower fixed hole 121；The both sides of fixing end 32 are along vertical Direction offers vertical fore shaft 34.

As shown in Figure 2,3, upper footmuff 212 face upward strut 211 side offer the lock being connected on vertical fore shaft 34 Slot 215（With reference to Fig. 4）, side of the upper footmuff 212 far from upper strut 211, which offers, is provide with and is bonded gear along 31 flange 216.Cause This 3 one end of plug connector and upper footmuff 212 are clamped, and one end is connected on leftover bits and pieces body 12, are realized and are fixed.In addition flange 216 and connection Face 33 fits, and maintains the compactness being bonded between footmuff 212 and plug connector 3.

Specifically, as shown in Figure 2,3, the upside of upper footmuff 212 is set to upper set of the upside for being socketed on foot body 11 Portion 213 and 213 lower end of set portion is integrally connected to for being socketed the portion 214 that traps of leftover bits and pieces body 12.Above being less than for set portion 213 traps Portion 214；It is socketed on upper foot body 11 by upper set portion 213, the portion 214 that traps is socketed on leftover bits and pieces body 12, makes the holding pair of footmuff 212 Upper foot body 11 has been stably connected with positive effect with leftover bits and pieces body 12.

As shown in Figure 2,3, at upper two, the downside of upper mounting hole 111 is correspondingly arranged on upper limit hole 112 to upper foot body 11, Leftover bits and pieces body 12 is correspondingly arranged on lower limit hole 122 in the downside of lower fixed hole 121；The lower section of plug connector 3 is provided in abutting branch The locating part 4 of footmuff 212 in support, when locating part 4 can be carried out by the upper limit hole 112 of grafting simultaneously and lower limit hole 122 It is fixed, it can also be fixed by only grafting lower limit hole 122.

As shown in Figure 2,3, upper foot body 11 offers upper slide 114 perpendicular to upper mounting hole 111 through the both sides in direction, under The both sides of foot body 12 offer the lower slide 129 being socketed on outside slide 114.129 sets of lower slide connects slide 114, increases Contact area between upper foot body 11 and leftover bits and pieces body 12；When upper foot body 11 slides relative to leftover bits and pieces body 12, more stablize.

Specifically, as shown in Figure 2,3, locating part 4 includes the limited block 41 for being connected to 12 outer wall of leftover bits and pieces body, is integrally connected to The gag lever post 42 and be connected to 12 inner wall of leftover bits and pieces body that limited block 41 and level are plugged in upper limit hole 112 and lower limit hole 122 The banking pin 43 being detachably connected with gag lever post 42.In the present embodiment, it is heavy that side of the gag lever post 42 towards banking pin 43 offers The end in hole, banking pin 43 offers chamfering；Banking pin 43 is inserted into counterbore, is interference fitted with counterbore.The shape of limited block 41 Similar to flange 216, the rectangular triangle in cross section provides support for flange 216, carries out by being connected to 216 lower end of flange Limit.

As shown in figure 4, the lower end of leftover bits and pieces body 12 is connected with the chassis 123 of arch, under chassis 123 and leftover bits and pieces body 12 It is provided with the reinforcing rib 124 of plate between end, promotes the bonding strength between leftover bits and pieces body 12 and chassis 123.Chassis 123 includes setting It sets and is used to support in both sides in being removably connected with backing plate 126 on the stabilizer blade 125 on ground, stabilizer blade 125, backing plate 126 promotes branch The contact area of foot 125 and ground, and the bottom surface of backing plate 126 be provided with annular burr 128, burr 128 increase backing plate 126 with Friction between ground, the support for keeping chassis 123 more stable is on the ground.Backing plate 126 is towards chassis in the present embodiment 123 side integrated injection molding has hollow injection molding to be intubated, and integrated injection molding has the injection molding casing being inserted into for intubation, note on stabilizer blade 125 It is interference fitted between modeling intubation and injection molding casing, realizes being bonded between backing plate 126 and stabilizer blade 125.

As shown in figure 4, lower frame 22 is installed on the bottom of leftover bits and pieces body 12, including it is set to the lower supporting rod 221 and one at middle part The lower footmuff 222 that body is connected to 221 both ends of lower supporting rod and is socketed in respectively on both sides leftover bits and pieces body 12.Its lower supporting rod 221 is downwards Bending is in "U" shaped.The side integrated injection molding of 123 inner wall of chassis strut 221 downwards has parallel and fitting 221 side wall of lower supporting rod And fit in the horizontal reinforced sheet 127 of 221 inside sidewalls of lower supporting rod.The bottom that lower footmuff 222 corresponds to the both sides of reinforcing rib 124 is set It is equipped with muscle slot 223, the fitting of muscle slot 223 is connected on reinforcing rib 124.When lower frame 22 is fixed on leftover bits and pieces body 12, level is reinforced It is interference fit between piece 127 and lower supporting rod 221 and between muscle slot 223 and reinforcing rib 124, promotes lower frame 22 and get a foothold The stability connected between body 12.

As shown in Figure 5,6, in order to further increase the stable connection between upper footmuff 212 and lower footmuff 222 and support leg 1 Property, the middle part of upper footmuff 212 and lower 222 outer wall of footmuff offers lock hole 50, support is corresponded on upper foot body 11 and leftover bits and pieces body 12 The lock tab 53 for being connected in lock hole 50 is provided on the fixed position of footmuff, upper footmuff 212 and lower footmuff 222.

As shown in fig. 6, support leg 1 offers U-shaped hole 51 in the outside of corresponding lock tab 53, in the inside of U-shaped hole 51 The elastic piece 52 with the transformation shape that can inwardly turn up is formd, lock tab 53 is integrally attached on elastic piece 52.Lock tab 53 towards stand-off set, upper footmuff 212 or lower footmuff 222 slide into sides be provided with inclined guide surface 54, convenient for stand-off set, During upper footmuff 212 or lower footmuff 222 slide, lock tab 53 is made directly to snap onto stand-off set, upper footmuff 212 or get a foothold In the lock hole 50 of set 222.

The detailed process that support leg 1 is highly adjusted is：Height selected first, in corresponding and upper limit hole 112 and lower limit It is inserted into locating part 4 in hole 122 and fixes.It is then inserted into and is inserted into grafting in corresponding upper mounting hole 111 and lower fixed hole 121 Part 3, last sliding upper frame 21 downwards so that locked groove 215 is caught in vertical fore shaft 34, and flange 216 is fitted on joint face 33, Plug connector 3 is fixed；In addition limited block 41 is connected to the lower section of footmuff 212, provides support for upper footmuff 212, and limited Position.

Embodiment two, a kind of desk, as shown in fig. 6, including embodiment one.

Embodiment three, a kind of tablet chair, as shown in fig. 7, comprises embodiment one.

The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality Within novel design concept, any modification, equivalent replacement, improvement and so on should be included in the protection of the utility model Within the scope of.

Claims (10)

1. a kind of adjustment base, it is characterised in that：Support leg (1) and horizontal connection foot supported on both sides including being set to both sides (1) upper frame (21)；The support leg (1) includes hollow leftover bits and pieces body (12), vertical grafting and slides in leftover bits and pieces body (12) Interior upper foot body (11) and the plug connector (3) for being fixedly connected with upper foot body (11) and leftover bits and pieces body (12), the upper foot body (11) Vertically level offers several upper mounting holes (111), and lower fixed hole (121), institute are offered on the leftover bits and pieces body (12) Stating plug connector (3), level is plugged in mounting hole (111) and lower fixed hole (121) successively, and plug connector (3) includes that one end is supported The gear on the outside of leftover bits and pieces body (12) is connected to along (31) and the fixing end being pierced by from upper mounting hole (111) and lower fixed hole (121) (32)；The upper frame (21) includes being set to the upper strut (211) at middle part and being integrally connected to strut (211) both ends respectively Socket sliding is in the upper footmuff (212) on upper foot body (11)；The fixing end (32) vertically offers vertical fore shaft (34), the face upward side of strut (211) of the upper footmuff (212) is provided with the locked groove being connected on vertical fore shaft (34) (215)。

2. adjustment base according to claim 1, it is characterised in that：The gear is vertically arranged along the outside of (31) There is inclined joint face (33), the low side of the joint face (33) is upward；It is provided on the upper footmuff (212) and covers at gear edge (31) flange (216) on the outside of.

3. adjustment base according to claim 2, it is characterised in that：The upper foot body (11) is in upper mounting hole (111) Downside is correspondingly arranged on upper limit hole (112), under the leftover bits and pieces body (12) is correspondingly arranged on the downside of lower fixed hole (121) Limit hole (122) is provided with level successively below the plug connector (3) and is plugged in upper limit hole (112) and lower limit hole (122) locating part (4) in and for abutting the upper footmuff (212) of support.

4. adjustment base according to claim 3, it is characterised in that：The locating part (4) includes being connected to leftover bits and pieces body (12) limited block (41) of outer wall is integrally connected to limited block (41) and level is plugged in upper limit hole (112) and lower limit hole (122) gag lever post (42) in and it is connected to the banking pin (43) that leftover bits and pieces body (12) inner wall is detachably connected with gag lever post (42).

5. adjustment base according to claim 4, it is characterised in that：The rectangular triangle in section of the limited block (41) Shape.

6. adjustment base according to claim 1, it is characterised in that：The upper foot body (11) is perpendicular to upper mounting hole (111) both sides for running through direction offer slide (114), and the both sides of the leftover bits and pieces body (12), which offer, is socketed on slide (114) lower slide (129) outside.

7. adjustment base according to claim 1, it is characterised in that：The upper footmuff (212) includes being set to upside to use In the upper set portion (213) for being socketed on upper foot body (11) and upper set portion (213) lower end is integrally connected to for being socketed leftover bits and pieces body (12) The portion that traps (214).

8. adjustment base according to claim 1, it is characterised in that：The leftover bits and pieces body (12) is in lower fixed hole (121) Upside is provided with flexible lock tab (53), is provided on the outside of the upper footmuff (212) and blocks for lock tab (53) The lock hole (50) entered.

9. a kind of desk, it is characterised in that：Including any adjustment base of claim 1 to 8.

10. a kind of tablet chair, it is characterised in that：Including any adjustment base of claim 1 to 8.