CN2762633Y - Lifting/regulating structure of table legs - Google Patents

Abstract

The utility model relates to a lifting and regulating structure of a table leg, which relates to the table leg. The table leg is provided with a first pipe body and a second pipe body, wherein the first pipe body and the second pipe body can penetrate through each other and move up and down, a clamping sleeve piece is positioned in the first pipe body, a clamping plate is positioned in the second pipe body, the clamping plate is provided with a slide groove and a plurality of clamping holes, and a clamping pin assembly is arranged in the clamping sleeve piece; the clamping pin assembly is provided with an enlarged part which resets naturally by elastic force. In this way, the enlarged part is separated from the clamping holes of the clamping plate by moving the clamping pin assembly, the clamping plate and the clamping sleeve piece can correspondingly displace up and down, and a relative position of the first and the second pipe bodies can be adjusted. When the clamping pin assembly restores into an original place, the enlarged part is inserted into the clamping holes of the clamping plate for positioning, and height adjustment for the table leg is completed; the utility model can be adjusted both up and down, adjustment is quick and safe, and the utility model also has beautiful appearance.

Description

Table pin lift adjustment structure

[technical field]

A kind of pin lift adjustment of the utility model structure, relevant with the feet of desk, more detailed it, refer to a kind of pin lift adjustment structure easy to operate, as to hide clip mechanism especially, belong to furniture.

[background technology]

As everyone knows, the feet of desk is except the table support overall weight, still to do the action of balance desktop, therefore adjust the length of table pin easily, seem especially important, height adjustable on the market at present table pin for the balance desktop, nothing more than being to do the clip action to have the steel ball that elasticity passes, or raise displacement with clip mechanism, thus the length of table pin adjusted, so that make the desktop lifting;

The general steel ball that uses is made clip, as long as a ㄩ type shell fragment and steel ball are gone into locating hole, the holding capacity deficiency of its shell fragment own, depend merely on a steel ball and go into locating hole and bear entire table weight, together with the weight of article on the desktop, its holding capacity quantity not sufficient, and because of the desk Heavy Weight, adjust when contracting in the steel ball, pipe fitting moves down fast, the danger that often has finger to be crushed;

In addition, mechanism raises displacement with clip, and length is adjusted in segmentation, its structure has multiple, and manner of execution stereotypedly is from bottom to top passed, if will down downgrade height, must pass to summit, unclamp its clip mechanism, return involution then in initial point, just can adjust the action of height then, that is its degree of heightening is unidirectional, can't oppositely adjust, and guiding mechanism can only be transferred to peak and remove its clip effect, descend again and reply minimum point, could adjust a pin height more successively; Thus, for moving desktop on the user, it is very painstaking to adjust a pin, always will repeat repeatedly, still can not reach its balance desktop effect, and desk is generally four legs, must repeat to come and go the four legs calibrated altitude that takes a whirl at, very inconvenient;

[novel content]

A kind of pin lift adjustment of the utility model structure its objective is: provide and can adjust its height above or down, it is arranged according to scale, can aim at the scale adjustment, the user need not to attempt back and forth to adjust, thereby can finish the operation of adjusting the table pin in the short time when adjusting desk four legs; Can provide and to bear greater weight clip mechanism, and clip mechanism is hiding, does not influence the attractive in appearance of its integral body; Can provide when pushing bayonet lock, not be subjected to the folded wound of body, safe in utilization; Can provide and first, second body turned upside down to install, decide with user's demand.

A kind of pin lift adjustment of the utility model structure, it is a pin, includes:

One upper tube body, outer Monday, the position was provided with a hole, and the top is incorporated into the desktop below, is provided with pipe box in the bottom;

One clip external member, has a height, axial location is provided with an activity space, top junction unification positioning component, and this positioning component is incorporated into the upper tube body inner top again, make the clip external member be positioned at upper tube body, in the hole location of clip external member with respect to upper tube body, be provided with a through hole radially, this through hole is gone into for a retaining pin module group, and retaining pin module compresses a spring, and this retaining pin module has the bigger expansion section of an external diameter;

One lower tube body can penetrate in upper tube body, and this lower tube body top sets firmly a clip plate, and this clip plate has a microscler chute, and several clip holes are arranged in the chute, and the lower tube body bottom has end cover and heelpiece;

In view of the above, go into by retaining pin module in the clip hole of clip plate, and located lower tube body in upper tube body, and push this retaining pin module sidesway, make the expansion section of retaining pin module break away from the clip hole of clip plate, make the retaining pin module can upper and lower displacement in chute, and can adjust the relative position of upper and lower body up and down.

Wherein, this first body and interior pipe box system locatees in the mode of being spirally connected.

Wherein, the positioning component of this clip external member is a ㄩ type body, is arranged in the end of clip external member in the mode of being spirally connected.

Wherein, the through hole of this clip external member system is bordering on end position, and a baffle ring edge is arranged in this through hole.

Wherein, this retaining pin module has a cap head, a screw rod, a spring, an expansion section and a catch, this cap head combines with screw rod, middle sheathed spring, catch and expansion section, and nut is butted on the through hole outer end, spring is butted in the baffle ring edge of through hole, and the expansion section can be gone in the clip hole of clip plate, and catch can be butted on outside the chute, this screw rod still has one section to be that pressing compression leg can be in the chute intrinsic displacement by compression leg.

Wherein, this second body outer surface is provided with several scales.

Wherein, this first body, one termination is established a plate body, is incorporated into desktop bottom, and second body end in addition is forced into end cover and heelpiece, and heelpiece has double-screw bolt, and the end is with screw to combine, do first body at last and second body at following relative position.

Wherein, this second body, one termination is established a plate body, is incorporated into desktop bottom, and first body end in addition is forced into end cover and heelpiece, and heelpiece has double-screw bolt, and the end is with screw to combine, do first body down and second body at last relative position.

A kind of pin lift adjustment of the utility model structure, its advantage is: can adjust the required height of desk fast and accurately, can do upper and lower adjustment, because second body has scale, so clear and definite adjustment foundation is arranged, can correctly adjust height, the utility model can be done upper and lower two-way adjustment;

In addition, the clamping structure that the utility model is all, containing retaining pin module, clip external member and clip plate is and is hidden in first body, and do not expose, connect also being hidden in the hole of first body of retaining pin module, or protrude a bit of length, so be safety again attractive in appearance by compression leg, can be because of not pushing retaining pin module, and have the situation that is crushed to take place;

[description of drawings]

The perspective exploded view of Fig. 1 the utility model first embodiment.

Fig. 2 the utility model first embodiment is combined in the schematic perspective view of desk.

The horizontal section schematic diagram of Fig. 3 the utility model first embodiment.

The longitudinal profile schematic diagram of Fig. 4 the utility model first embodiment.

The expansion section of the relevant retaining pin module of Fig. 5 the utility model first embodiment breaks away from the horizontal section schematic diagram in the clip hole of clip plate.

The expansion section of the relevant retaining pin module of Fig. 6 the utility model first embodiment breaks away from the longitudinal profile schematic diagram in the clip hole of clip plate.

Fig. 7 the utility model first embodiment downgrades the horizontal section schematic diagram of upper tube body.

Fig. 8 the utility model first embodiment downgrades the longitudinal profile schematic diagram of upper tube body.

Fig. 9 the utility model first embodiment downgrades the whole desk schematic perspective view of upper tube body.

The perspective exploded view of Figure 10 the utility model second embodiment.

Figure 11 the utility model second embodiment is combined in the schematic perspective view of desk.

The horizontal section schematic diagram of Figure 12 the utility model second embodiment.

The longitudinal profile schematic diagram of Figure 13 the utility model second embodiment.

The expansion section of the relevant retaining pin module of Figure 14 the utility model second embodiment breaks away from the horizontal section schematic diagram in the clip hole of clip plate.

The expansion section of the relevant retaining pin module of Figure 15 the utility model second embodiment breaks away from the longitudinal profile schematic diagram in the clip hole of clip plate.

Figure 16 the utility model second embodiment downgrades the horizontal section schematic diagram of upper tube body.

Figure 17 the utility model second embodiment downgrades the longitudinal profile schematic diagram of upper tube body.

Figure 18 the utility model second embodiment downgrades the whole desk schematic perspective view of upper tube body.

Number in the figure is as follows:

10 desks, 11 desktops, 12 plate bodys

20 pin 21 upper tube bodies 211 holes

213 inner bolt holes, 22 clip external members, 221 through holes

2211 baffle ring edge, 222 activity spaces, 23 positioning components

231 double-screw bolts, 24 lower tube bodies, 25 clip plates

Pipe box in 251 chutes, the 252 clip holes 26

271 screws are overlapped at 27 ends of 261 external screw threads

28 heelpieces, 281 double-screw bolts, 29 retaining pin modules

291 screw rods 2911 are pressed compression leg 292 cap heads

293 springs, 294 catch, 295 expansion sections

[specific embodiment]

At first, a kind of pin lift adjustment of the utility model structure, first embodiment such as Fig. 1,2,3, shown in 4, the table pin 20 of its desk 10, this pin 20 includes one first body 21, one clip external member 22, certain hyte part 23, one second body 24, one clip plate 25, pipe box 26 in one, one end cover 27 and one heelpiece 28, these first body, 21 tops connect establishes a plate body 12 (this plate body 12 as shown in figure 10), combine with desktop 11 bottoms of desk 10, and first body 21 has a hole 211, one clip external member, 22 upper ends are with the certain hyte part 23 of double-screw bolt 231 combinations, positioning component 23 is ㄩ type body, in these first body, 21 bottoms internal thread 213 is arranged, to be incorporated into screw thread 261 outside the interior pipe box 26, these clip external member 22 nearly second bodys 24 positions, one radially the axial activity space 222 of (go up and descend) of through hole 221 and is arranged, one baffle ring edge 2211 (as shown in Figure 3) is arranged in this through hole 221, through hole 221 enters for a retaining pin module 29, this retaining pin module 29 is the combination of a screw rod 291 and a cap head 292, intermediate sleeve is provided with a spring 293, one catch 294, one circular expansion section 295, cap head 292 has internal thread to go into for 291 groups for screw rod, and screw rod 291 in addition section for having one by compression leg 2911, this cap head 292 is positioned at through hole 221 outer ends, and spring 293 is butted between the baffle ring edge 2211 and catch 294 of through hole 221;

One second body 24, clip external member 22 fixed-site one clip plate 25 with respect to first body 21, this clip plate 25 is provided with the chute 251 of strip, and have several to enlarge the clip hole 252 of internal diameter in the chute 251, and second body, 24 calibers are less than the caliber of first body 21, second body 24 can be active in first body 21, these second body, 24 surfaces have several scales 241, second body 24 is forced into end cover 27 near ground surface end, 27 bottom surfaces are overlapped at the end a screw 271, screw 271 makes heelpiece 28 be positioned at second body, 24 bottoms for double-screw bolt 281 combinations of a heelpiece 28;

By above-mentioned constructional device, a kind of pin lift adjustment of the utility model structure, elder generation is locked in clip external member 22 tops with the positioning component 23 of ㄩ type body during assembling, again the clip plate 25 of second body 24 is gone in the activity space 222 of clip external member 22, go into 29 groups of retaining pin modules in the through hole 221 of clip external member 22, and pass through in the chute 251 of clip plate 25, again the clip external member 22 and second body 24 are gone in first body 21, in addition interior pipe box 26 is screwed in the bottom of first body 21, and end cover 27 and heelpiece 28 are gone into bottom within second body 24, to finish assembling;

The retaining pin module 29 of combination back show to flush by outside compression leg 2911 pacts and first body 21, can be and see outside concealed, or it is long and protrude from first body, 21 appearances by compression leg 2911, to make things convenient for finger presses, during operation such as Fig. 5,6,7, shown in 8, this action is for downgrading height (as shown in Figure 9) of desktop 11, the paxilla of applying flexibly product with all one's life inserts in the hole 211 of first body 21, press compression leg 2911 with this retaining pin module 29 of contact, break away from the clip hole 252 of clip plate 25 with the expansion section 295 that makes retaining pin module 29, be positioned at clip hole 252 and make by compression leg 2911, owing to press compression leg 2911 external diameters less than clip hole 252, first body 21 or second body 24 that rises so can descend, 25 relative risings of clip plate or clip external member 22 are descended relatively, retaining pin module 29 can do upper and lower displacement in the chute 251 of clip plate 25 by compression leg 2911 at this moment, decontrol the pushing tow of pressing compression leg 2911 in addition to retaining pin module 29, make retaining pin module 29 be subjected to the power of spring 293, the active force of an own answer, to be adjusted during to needed height (scale 241 of visual second body 24), then the expansion section 295 of this retaining pin module 29 go in the clip hole 252 of clip plate 25 and locate motionless, to finish the action that downgrades;

If will increase desktop 11, also be same as the aforesaid way operation, compress the action of contracting in the doing of retaining pin module 29 by compression leg 2911, expansion section 295 breaks away from the clip hole 252 of clip plate 25 once more, and can downgrade second body 24 or with respect to increasing first body 21, widen its spacing from, treat to desired height, relieving pushes retaining pin module 29, retaining pin module 29 homings then, its expansion section 295 is stuck in the clip hole 252 of desired height, and it is motionless to locate second body 24, to finish the action that increases desktop 11;

Owing to the utlity model has the mutual clip and the activity bit shifting function of clip external member and clip plate 25, so have great clamping structure power, this clip plate 25 is made with metallic article, its holding capacity is strong, be enough to put for the desk 10 of Heavy Weight or the weight of its burden, do not undermine it and adjust structure, support disappearance with ㄩ type shell fragment as steel ball into the structure holding capacity deficiency of locating hole to avoid known;

And the utility model except structural capacity by force, can faster and accurately adjust desired height, can do or under adjustment height, second body 24 has scale 241 again, so that clear and definite foundation to be arranged, make correct Height Adjustment, grasp remove known body under the tables and chairs need be transferred to the top fully after, drop to the end again, can adjust length by length, known time-consuming effort is again only done unidirectional adjustment, and the utility model can be done upper and lower two-way adjustment;

In addition, all clamping structure of the utility model, containing retaining pin module 29, clip external member 22 and clip plate 25 is and is hidden in first body 21, and do not expose, connect also being hidden in the hole 211 of first body 21 of retaining pin module 29, or protrude a bit of length, so be safety again attractive in appearance by compression leg 2911, can be because of not pushing retaining pin module 29, and the situation that is crushed takes place;

The utility model second embodiment, as Figure 10,11,12, shown in 13, first body 21 and second body 24 are inverted, second body 24 is done in conjunction with desktop 11 bottoms, and first body 21 is made kiss the earth, structure and the foregoing description are identical, all has a clip external member 22, certain hyte part 23, one clip plate 25, pipe box 26 in one, one end cover 27 and one heelpiece 28, first body 21 has a hole 211, positioning component 23 has double-screw bolt 231, this first body 21 has internal thread 213, be incorporated into screw thread 261 outside the interior pipe box 26, this clip external member 22 has a through hole 221 and an activity space 222, one baffle ring edge 2211 is arranged in this through hole 221, through hole 221 enters for a retaining pin module 29, this retaining pin module 29 is a screw rod 291, cap head 29 2, spring 293, catch 294, expansion section 295 and the combination of pressing compression leg 2911, what be different from the foregoing description is to change first body 21 into to be forced into end cover 27 near ground surface end, go into the screw 271 of end cover 27 with the double-screw bolt 281 of heelpiece 28, make heelpiece 28 be positioned at first body, 21 bottoms, second body 24 is done in conjunction with desktop 11 bottoms with plate body 12;

One second body 24 is fixed a clip plate 25, and this clip plate 25 is provided with chute 251, and several clip holes 252 are arranged in the chute 251, and these second body, 24 surfaces have several scales 241;

System is shown in Figure 14,15,16,17,18 during operation, identical with above-mentioned enforcement action, with push this retaining pin module 29 by compression leg 2911, break away from the clip hole 252 of clip plate 25 with the expansion section 295 that makes retaining pin module 29, but relative displacement first body 21 or second body 24, to be adjusted during to needed height (scale 241 of visual second body 24), then the expansion section 295 of this retaining pin module 29 be subjected to the spring return original position go in the clip hole 252 of clip plate 25 and locate motionless, to finish the action of adjustment.

Claims (8)

1, a kind of pin lift adjustment structure, it is a pin, it is characterized in that: this pin includes:

One first body, outer Monday, the position was provided with a hole, in be provided with pipe box in;

One clip external member, has a height, axial location is provided with an activity space, and the clip external member is in conjunction with certain hyte part, and this positioning component is incorporated into again in first body, make the clip external member be positioned at first body, in the hole location of clip external member with respect to upper tube body, be provided with a through hole radially, this through hole is gone into for a retaining pin module group, and retaining pin module compresses a spring, and this retaining pin module has the bigger expansion section of an external diameter;

One second body can penetrate in first body, sets firmly a clip plate in this second body position with respect to first body, and this clip plate has a microscler chute, and the clip hole is arranged in the chute;

Go into by retaining pin module in the clip hole of clip plate, and located second body in first body.

2, a kind of pin lift adjustment structure according to claim 1, it is characterized in that: this first body and interior pipe box are located in the mode of being spirally connected.

3, a kind of pin lift adjustment structure according to claim 1, it is characterized in that: the positioning component of this clip external member is a ㄩ type body, is arranged in the end of clip external member in the mode of being spirally connected.

4, a kind of pin lift adjustment structure according to claim 1 is characterized in that: the through hole system of this clip external member is bordering on end position, and a baffle ring edge is arranged in this through hole.

5, according to claim 1 or 4 described a kind of pin lift adjustment structures, it is characterized in that: this retaining pin module has a cap head, a screw rod, a spring, an expansion section and a catch, this cap head combines with screw rod, middle sheathed spring, catch and expansion section, and nut is butted on the through hole outer end, spring is butted in the baffle ring edge of through hole, and the expansion section can be gone in the clip hole of clip plate, and catch can be butted on outside the chute, this screw rod still has one section to be that pressing compression leg can be in the chute intrinsic displacement by compression leg.

6, a kind of pin lift adjustment structure according to claim 1, it is characterized in that: this second body outer surface is provided with scale.

7, a kind of pin lift adjustment structure according to claim 1, it is characterized in that: this first body, one termination is established a plate body, be incorporated into the desktop bottom, second body end in addition is forced into end cover and heelpiece, and heelpiece has double-screw bolt, and the end, be with screw to combine, do first body at last and second body at following relative position.

8, a kind of pin lift adjustment structure according to claim 1, it is characterized in that: this second body, one termination is established a plate body, be incorporated into the desktop bottom, first body end in addition is forced into end cover and heelpiece, and heelpiece has double-screw bolt, and the end, be with screw to combine, do first body down and second body at last relative position.

Images