CN103156384A - Folding table - Google Patents

Abstract

The invention provides a folding table, which comprises a height regulation device capable of easily and reliably regulating height from a leg or a top plate to the ground, while the folding table obtains reliable and stable using and folding states to the top plate. A locking connecting rod is arranged, and the locking connecting rod comprises a clamping part clamping or unclamping in a clamping groove. The clamping part of the locking connecting rod forms a plate on a same plane with the locking connecting rod. A peripheral surface on an upper end of a connection component is configured a same plane of a rotation area of the clamping part.

Description

Folding table

Technical field

the present invention relates to a kind of folding table, this folding table is realized miniaturization and and the reinforcement support strength of the locking device of top board, in the reliable and stable use state that obtains top board and folded state, prevent from pointing when top board is folding and sandwich, guarantee the security used, and realize easily assembling, on the other hand, the height adjuster that possesses desk etc., its reinforcement is arranged on for example desk, chair, the support strength of the construction bolt of the castor of the shank such as furniture bottom, when preventing that it from losing or be out of shape, can be easily and adjust reliably shank or top board to the height on ground, can keep for a long time it to adjust height.

Background technology

Locking device as the top board of folding table, have following locking device: the connecting plate that is formed with two slots is installed on the top at the shank pillar, can be with deadlock lever with install movingly with the ring that is equipped with the stop pin that can be sticked in above-mentioned slot, stop pin is sticked in a slot, keep the folded state of top board, stop pin is sticked in another slot, keeps the use state (for example, with reference to patent documentation 1) of top board.

Yet, in above-mentioned locking device, due to when stop pin engages with slot, stop pin is sticked in slot with overhanging shape, therefore usually a little less than the support strength of stop pin, when the excess load of top board or during the displacement of pillar,, there is out of use problem in the stop pin distortion.

In addition, due to stop pin is sticked in slot from the outside of the support frame of top board, therefore what need stop pin or ring occupies space and revolution space, when having encouraged the maximization of folding table, exists finger to be sandwiched in problem between stop pin or ring and support frame.

In addition, due to by the folded state or the use state that engage keep top board of stop pin with slot, therefore having worry aspect the holding state of top board or posture, for example, exist top board exceedingly to be folded and the such problem of appearance poor.

And, due to a pair of connecting plate is welded in horizontal frame, and this connecting plate is fixed the top that is installed on the shank pillar by screw, therefore exist the assembling of horizontal frame complicated, the problems such as troublesome poeration.

as the method that solves such problem, has following method: will be formed with two slots and be connected the upside pillar screw of die casting system of connection projection with the corner post shape and be fixed in support-column main body, can be with deadlock lever with install movingly with the axial region that is equipped with the lock link of the stop pin that can be sticked in above-mentioned slot, simultaneously, lateral brace in configuration in the lower frame of top board, the top of upper lateral brace can be rotationally connected with this lower frame, connection box insertion and the screw of cornue shape are fixed in above-mentioned connection projection, stop pin is sticked in a slot, keep the folded state of top board, stop pin is sticked in another slot, (for example keep the use state of top board, with reference to patent documentation 2).

Yet, in above-mentioned locking device, due to when stop pin engages with slot, stop pin is sticked in slot with overhanging shape, therefore usually a little less than the support strength of stop pin, when the excess load of top board or during the displacement of pillar,, there is out of use problem in the stop pin distortion.

In addition, due to stop pin is sticked in slot from the inboard of the lower frame of top board, therefore what need stop pin or lock link occupies space and motion space, when having encouraged the maximization of folding table, exists finger to be sandwiched in problem between stop pin or lock link and lower frame.

In addition, due to by the folded state or the use state that engage keep top board of stop pin with slot, therefore having worry aspect the holding state of top board or posture, for example, exist top board exceedingly to be folded and the such problem of appearance poor.

And screw is fixed in the connection projection owing to inserting the both ends of a pair of connection box also, therefore exists the assembling of connection box still complicated, the problems such as troublesome poeration.

as the method that solves such problem, has following method: in the upper end of shank main body, the installation component that can connect rotationally the reverse U shape cross section of roof supporting, inboard at this installation component, the limiting member that can connect rotationally the U shaped sections, leading section at this limiting member sets up pin, by spring, with above-mentioned limiting member can be down the application of force rotationally, can can be sticked in ground, the top configuration of above-mentioned limiting member with moving pressing tablet with action bars, on the other hand, upper end in the shank main body arranges the gripper shoe that is formed with two holding sections, pin is sticked in a holding section, keep the folded state of top board, pin is sticked in another holding section, (for example keep the use state of top board, with reference to patent documentation 3).

In above-mentioned locking device, because the leading section at limiting member sets up pin, the pars intermedia of this pin is sticked in the holding section, therefore the support strength of pin is reinforced, can prevent substantially the distortion of stop pin when the excess load of top board or during the displacement of pillar, but pin being sticked in the textural of holding section, still having worry aspect the support strength of pin.

In addition, owing to limiting member being configured in the inboard of installation component, therefore the motion space of limiting member or pin or to occupy the space more or less compact, in addition, can prevent that banjo splint is between pin or limiting member and installation component, but due at the inboard of installation component configuration pin or spring, therefore there is the problem that causes installation component to maximize.

And, due to by the folded state or the use state that engage keep top board of pin with the holding section, therefore having worry aspect the holding state of top board or posture, for example exist top board excessively to be folded and the such problem of appearance poor.

In addition, due to the inboard screw fixed installation base portion in the upper end of a pair of shank main body, and be fixedly connected with beam between this mounting seat section, therefore exist the assembling of tie-beam complicated, the problems such as troublesome poeration.

on the other hand, as have can be on ground for example the height adjuster of the desk of mobile castor, has following device: formation through hole below the both ends of shank, at the opening edge of this through hole hold-down nut, can engage in this nut and break away from the recess that adjusting handle is installed on ground, insert the construction bolt that is arranged at castor in being formed at the connecting hole of above-mentioned recess, when screwing in it in above-mentioned nut, at adjusting handle and be arranged between the spring support of construction bolt and configure spring, when Height Adjustment, press down adjusting handle, to suitable direction rotation, adjust the screw-in amount of construction bolt and (for example carry out, with reference to patent documentation 4).

But, in said apparatus, owing to only supporting construction bolt with the nut that is fixed on shank, when therefore having the excess load of desk or castor, construction bolt is crooked, and adjusting handle is damaged and be difficult to use in addition, perhaps, when contacting with surrounding member, adjusting handle pushed back the adjustment position of construction bolt such problem that changes.

As the method that solves such problem, have following method: the bottom side face at the shank of desk arranges projection, in this bottom via spring, screw-in is based in the construction bolt of the fulcrum of castor, locking member at the side face configuration hollow tube-shape of the bottom of above-mentioned shank and fulcrum, the inner face that locks member form can with the groove of above-mentioned protrusions snap, when Height Adjustment, press down the locking member, to suitable direction rotation, adjust the screw-in amount of construction bolt and carry out (for example, with reference to patent documentation 5).

But, in said apparatus, because the bottom that construction bolt is screwed in shank is supported, when therefore still having the excess load of desk or castor, construction bolt is crooked, locks in addition member damaged and be difficult to use, perhaps, lock when member contacts with surrounding member and pushed back, the adjustment position of construction bolt such problem that changes.

Thereby, as the method that solves such problem, has following method: in the bottom of the shank of folding table, via spring washer, screw in the castor one and be formed at the path external thread part of caster axle, configuration is formed with the adjustment cylinder of internal thread part between the bottom of above-mentioned shank and castor, the large footpath external thread part of caster axle is screwed in this internal thread part, when Height Adjustment, make and adjust cylinder to suitable direction rotation, adjust to adjust the upper end of cylinder and shank the bottom the hole enlargement stage portion the interval and carry out (for example, with reference to patent documentation 6).

In said apparatus, the path of caster axle and the external thread part in large footpath are screwed in the bottom of shank and the internal thread part of adjustment cylinder, strengthen the support strength of caster axle, but, vibration or impact when having caster axle due to use are rotated, along with aging, the adjustment position of caster axle such problem that changes.

thereby, as the method that solves such problem, have following method: the bottom at the shank of folding table arranges internal thread part and plastic adjuster, this internal thread part can screw in the construction bolt with the adjuster one, form the circumferential groove of the part that can insert adjuster in the outside of internal thread part, this adjuster is fixed in above-mentioned construction bolt, and this bolt is rotated, this adjuster possesses braking parts, this braking parts is when inserting above-mentioned circumferential groove, be connected to the wall of circumferential groove, a part deforms, to this wall application of force, simultaneously, stop the rotation of adjuster, when Height Adjustment, construction bolt is screwed in the internal thread part of shank, undertaken by adjusting its screw-in amount.

And when above-mentioned adjustment, all facial disfigurements by making braking parts and the application of force of the wall that is connected to circumferential groove and the frictional resistance between this wall and braking parts stop the rotation of adjuster, prevent its loosening (for example, with reference to patent documentation 7).

But, there is following problem in said apparatus: the support strength of construction bolt is inadequate, be difficult to prevent its distortion or lose, in addition, in the bottom of shank and the formation complexity of adjuster, on the basis that is difficult to make, owing to using all the year round, frictional resistance between the application of force of the braking parts of adjuster and the wall of circumferential groove and braking parts reduces, and adjuster rotates and produces looseningly, and adjustment position originally changes in a short time.

The prior art document

Patent documentation

No. 2572757 communique of the practical new case login of ［ patent documentation 1 ］ Japan

No. 4471440 communique of ［ patent documentation 2 ］ Japan special permission

［ patent documentation 3 ］ TOHKEMY 2004-121441 communique

No. 2532189 communique of the practical new case login of ［ patent documentation 4 ］ Japan

No. 4009211 communique of ［ patent documentation 5 ］ Japan special permission

［ patent documentation 6 ］ TOHKEMY 2007-261542 communique

No. 4805723 communique of ［ patent documentation 7 ］ Japan special permission

Summary of the invention

(problem that invention will solve)

the object of the invention is to solve such problem, a kind of folding table is provided, this folding table is realized miniaturization and and the reinforcement support strength of the locking device of top board, in the reliable and stable use state that obtains top board and folded state, prevent from pointing when top board is folding and sandwich, guarantee the security used, and realize easily assembling, on the other hand, the height adjuster that possesses desk etc., its reinforcement is arranged on for example desk, chair, the support strength of the construction bolt of the castor of the shank such as furniture bottom, when preventing that it from losing or be out of shape, can be easily and adjust reliably shank or top board to the height on ground, can keep for a long time it to adjust height.

(technical scheme of technical solution problem)

first the invention in, folding table possesses: a plurality of lower frames, be arranged on top board below, engagement member can rotary axis of earth support this lower frame, the shank pillar supports this engagement member, a plurality of slots are formed on the side face of described engagement member, lock link, an end can be supported by described lower frame rotationally, and in the other end, the holding section that can engage with described slot disengaging is set, action bars can be with lock link with moving, and can top board is folding, in this folding table, with the holding section of lock link form with this lock link the same face on tabular, the upper end side face of engagement member is configured on rotary area the same face with the holding section of this lock link, and at the upper end of this engagement member side face, rotary area face along described holding section forms a plurality of slots, with lock link is configured in the outside of lower frame, and project pin at the leading section of this lock link and compare as the prior art of holding section, make the lock link miniaturization, make the rotation of lock link and pin or occupy the space compactness, when realizing the miniaturization and of this locking device, compare with the prior art that described pin is sticked in slot, prevent the distortion of holding section or lose, strengthen the rigidity of lock link or holding section, can strengthen its support strength.

In the second invention, lower frame is become the reverse U shape cross section, the upper end side face of described lock link and engagement member is configured in the inboard of this lower frame, the upper end side face of lock link and engagement member is covered inboard at lower frame, when preventing top board folding, finger sandwiches, and guarantees the security of using.

In the 3rd invention, lock link is formed tabular, simultaneously, centre position at the upper end of described engagement member side face, form the slot with the thickness of slab same widths of lock link, in the densification of the miniaturization that realizes lock link and its revolution space, the situation that forms slot with thickness direction along engagement member is compared, realize the miniaturization of engagement member and the reinforcement of rigidity, can strengthen its support strength.

In the 4th invention, between the slot of the upper end side face that is formed at described engagement member, formation can snap in the cam path of the holding section of lock link, can be smoothly and carry out reliably engaging of lock link and slot.

in the 5th invention, the shaft supporting part of engagement member is arranged at the opposition side of described slot, in the face of arranging pivot, this shaft supporting part props up groove, simultaneously, inboard at described lower frame arranges the carriage that can support rotationally the upper end of engagement member, groove can be propped up with described pivot in the pivot branch of this carriage to be configured with engaging, via slot, utilize lock link to support a side of engagement member, the opposite side of the engagement member pivot branch with carriage is supported, can correctly obtain stable level and the folded state of top board, in the time of can guaranteeing the use of top board and the security when folding.

In the 6th invention, the peristome that props up groove at pivot forms smooth holding section, simultaneously, pivot branch at described carriage forms smooth fastener, can engaging ground configuration when top board folding with this holding section and fastener, can access the correct folded state of top board, can be evenly and folding top board correctly.

In the 7th invention, the base portion of carriage can be sticked in ground, the upper end configuration of the axle support-side of engagement member, in the time of accessing the use of top board and the correct posture when folding.

In the 8th invention, the base portion of carriage is formed roughly H word shape, its each a pair of leading section can be sticked in the inner face ground configuration of the curved tabs of lower frame, can prevent the rotation of the base portion of carriage, promote the level and smooth and correct action of engagement member or lock link, can access stable use state and the folded state of top board.

In the 9th invention, carriage is made of synthetic resin or die casting or iron and steel, and corresponding load is reasonably selected the material of carriage, in the situation that the top board small-size light-weight adopts synthetic resin system, in the situation that the large-scale weight of top board adopts die casting or steel plate system.

In the tenth invention, engagement member and shank pillar one are consisted of, can reduce number of components, implementation structure succinct and make easy.

In the 11 invention, form the dogging groove at the bottom of described engagement member side face, simultaneously, arrange and the slotted hole of described dogging groove with shape at the top of shank pillar side face, the dogging sheet that is arranged on the both ends of connection box is arranged at described dogging groove and slotted hole with can engaging disengaging, this connecting frame is located between the shank pillar of left and right, can easily carries out interim assembling and the assembling of connection box.

In the 12 invention, in a side of dogging sheet, the engaging pawl is set, simultaneously, the side in the opening edge of described dogging groove forms and can engage the slot that the pawl engaging breaks away from and lock pawl with described, can carry out easily interim assembling and the assembling of connection box.

In the 13 invention, hook bolt is installed on top at the shank pillar, in a side of the upper end of this hook bolt along projecting up and down hook and shank, described shank is installed on the shank pillar, make described hook protrude from the upper end of this shank pillar, make described shank play the effect of the cap of shank pillar, simultaneously, the hook of the mobile division that can tangle the handbag class is set in the both sides of desk, can improves the convenience in the use of desk.

In the 14 invention, can with the mobile division dogging of handbag class in hook, can fitly take care of the handbag class.

In the 15 invention, the upper end of shank pillar is configured in slightly lower position, simultaneously, the medial surface of hook is formed taper, enlarge the space under top board, widen the dogging space on hook bolt, improve its dogging ability.

In the 16 invention, the upper end of hook bolt is formed convex curved surface, prevent that mobile division on convex curved surface from due to friction or the breakage of nuzzling up and producing, can hang the handbag class safely.

In the 17 invention, bottom at the shank pillar forms screwed hole, and possesses the adjuster that construction bolt rotation freely is installed on the earthing component of this screwed hole and is bolted in described construction bolt, rotation by this adjuster, can adjust construction bolt for the screw-in amount of shank pillar, be suitable for realizing the height adjuster of the miniaturization and of locking device and the top board of the folding table of strengthening support strength etc.

in the 18 invention, at the shank pillar, the shank end can be set with loading and unloading, inboard at this shank end forms screwed hole, can be arranged at adjuster with the spiral shell axle that this screwed hole screws togather, inside at this spiral shell axle arranges the screwed hole that can screw togather construction bolt, the spiral shell axle of adjuster is spirally connected in the outside of described construction bolt, the bottom of shank end is installed in the outside of this spiral shell axle, utilize the outside of the bottom dual support construction bolt of adjuster and shank end, strengthen its support strength, prevent the distortion of construction bolt or lose, can access firm height adjuster, simultaneously, can carry out respectively adjuster and castor for the installation of shank end, the shank end is for the installation of shank pillar, can be rationally and easily carry out these assemblings.

In the 19 invention, relative inner face at the shank end arranges a plurality of slots, simultaneously, be fixedly installed the baffle ring of a plurality of locking pawls in the upper end of the spiral shell axle of adjuster, described locking pawl can be arranged with described slot with engaging, prevent the rotation of the spiral shell axle of adjuster, stop the variation of the height and position after regulating, can the long term maintenance shank or the adjustment height of top board etc., to lock pawl can arrange with slot with engaging, support the upper end of construction bolt, can strongly prevent the distortion of construction bolt or lose.

In the 20 invention, relative inner face at the shank end arranges two slots, form the center angle of these two slots identical with two pivot angles that lock pawl of adjacency, the position of rotation of the locking pawl that the rotating operation of adjuster is caused is sticked in slot and keeps, the Height Adjustment position that can long term maintenance be formed by adjuster.

In the 21 invention, form described slot along the moving direction of the spiral shell axle of adjuster, can carry out the Height Adjustment of shank pillar or top board etc. on a large scale in whole the formations zone of slot, can keep its adjustment position.

In the 22 invention, will lock pawl can consist of to inward-outward direction elastic displacement ground, realizes the rotation of the baffle ring in the shank end, can be smoothly and easily carry out the height and position adjustment, simultaneously, in the adjusting range of wide scope set height position, can keep it and adjust the position.

In the 23 invention, shank end, baffle ring and adjuster are synthetic resin system, realize its lightweight and simple and cheap making, simultaneously, can give suitable elasticity, strengthen its intensity.

In the 24 invention, shank end and shank pillar one are consisted of, reduce number of components and make simple for structurely, simultaneously, alleviate the trouble of assembling.

In the 25 invention, earthing component is castor, can realize easily the movement of desk, chair, furniture etc.

(effect of invention)

in the first invention, due to the holding section with lock link form with this lock link the same face on tabular, the upper end side face of engagement member is configured on rotary area the same face with the holding section of this lock link, and at the upper end of this engagement member side face, rotary area face along described holding section forms a plurality of slots, therefore with lock link is configured in the outside of lower frame, and project pin at the leading section of this lock link and compare as the prior art of holding section, make the lock link miniaturization, make the rotation of lock link and pin or occupy the space compactness, when realizing the miniaturization and of this locking device, compare with the prior art that described pin is sticked in slot, prevent the distortion of holding section or lose, strengthen the rigidity of lock link or holding section, can strengthen its support strength.

In the second invention, owing to lower frame being become the reverse U shape cross section, the upper end side face of described lock link and engagement member is configured in the inboard of this lower frame, therefore the upper end side face of lock link and engagement member can be covered the inboard at lower frame, when preventing top board folding, finger sandwiches, and guarantees the security of using.

In the 3rd invention, it is tabular due to lock link is formed, simultaneously, centre position at the upper end of described engagement member side face, form the slot with the thickness of slab same widths of lock link, therefore in the densification of the miniaturization that realizes lock link and its revolution space, the situation that forms slot with thickness direction along engagement member is compared, realize the miniaturization of engagement member and the reinforcement of rigidity, can strengthen its support strength.

Therefore in the 4th invention, due between the slot of the upper end side face that is formed at engagement member, formation can snap in the cam path of the holding section of lock link, can be smoothly and carry out reliably engaging of lock link and slot.

in the 5th invention, be arranged at the opposition side of described slot due to the shaft supporting part with engagement member, in the face of arranging pivot, this shaft supporting part props up groove, simultaneously, inboard at described lower frame arranges the carriage that can support rotationally the upper end of engagement member, groove can be propped up with described pivot in the pivot branch of this carriage to be configured with engaging, therefore via slot, utilize lock link to support a side of engagement member, the opposite side of the engagement member pivot branch with carriage is supported, can correctly obtain stable level and the folded state of top board, in the time of can guaranteeing the use of top board and the security when folding.

In the 6th invention, because the peristome that props up groove at pivot forms smooth holding section, simultaneously, pivot branch at described carriage forms smooth fastener, can engaging ground configuration when top board folding with this holding section and fastener, therefore can access the correct folded state of top board, can be evenly and folding top board correctly.

In the 7th invention, can be sticked in the upper end ground configuration of the axle support-side of engagement member due to the base portion with carriage, in the time of therefore accessing the use of top board and the correct posture when folding.

In the 8th invention, because the base portion with carriage forms roughly H word shape, its each a pair of leading section can be sticked in the inner face ground configuration of the curved tabs of lower frame, therefore can prevent the rotation of the base portion of carriage, promote the level and smooth and correct action of engagement member or lock link, can access stable use state and the folded state of top board.

In the 9th invention, because carriage is made of synthetic resin or die casting or iron and steel, therefore can correspondingly load and reasonably select the material of carriage, for example in the situation that the top board small-size light-weight adopts synthetic resin system, in the situation that the large-scale weight of top board adopts die casting or steel plate system.

In the tenth invention, due to engagement member and shank pillar one are consisted of, therefore can reduce number of components, implementation structure succinct and make easy.

In the 11 invention, owing to forming the dogging groove at the bottom of described engagement member side face, simultaneously, arrange and the slotted hole of described dogging groove with shape at the top of shank pillar side face, the dogging sheet that is arranged on the both ends of connection box is arranged at described dogging groove and slotted hole with can engaging disengaging, this connecting frame is located between the shank pillar of left and right, therefore can easily carries out interim assembling and the assembling of connection box.

In the 12 invention, because the side at the dogging sheet arranges the engaging pawl, simultaneously, the side in the opening edge of described dogging groove forms and can engage the slot that the pawl engaging breaks away from and lock pawl with described, therefore can carry out easily interim assembling and the assembling of connection box.

In the 13 invention, because hook bolt is installed on the top at the shank pillar, in a side of the upper end of this hook bolt along projecting up and down hook and shank, described shank is installed on the shank pillar, make described hook protrude from the upper end of this shank pillar, therefore make described shank play the effect of the cap of shank pillar, simultaneously, the hook of the mobile division that can tangle the handbag class is set in the both sides of desk, can improves the convenience in the use of desk.

In the 14 invention, owing to can with the mobile division dogging of handbag class in hook, therefore can fitly taking care of the handbag class.

In the 15 invention, because the upper end with the shank pillar is configured in slightly lower position, simultaneously, the medial surface of linking up with is formed taper, so enlarge the space under top board, widen the dogging space on hook bolt, can improve its dogging ability.

Therefore in the 16 invention, because the upper end with hook bolt forms convex curved surface, prevent that mobile division on convex curved surface from due to friction or the breakage of nuzzling up and producing, can hang the handbag class safely.

In the 17 invention, because the bottom at the shank pillar forms screwed hole, and possesses the adjuster that construction bolt rotation freely is installed on the earthing component of this screwed hole and is bolted in described construction bolt, rotation by this adjuster, therefore can adjust construction bolt for the screw-in amount of shank pillar, have the effect of the height adjuster of the top board that is suitable for the folding table realizing the miniaturization and of locking device and strengthen support strength etc.

in the 18 invention, owing at the shank pillar, the shank end can being set with loading and unloading, inboard at this shank end forms screwed hole, can be arranged at adjuster with the spiral shell axle that this screwed hole screws togather, inside at this spiral shell axle arranges the screwed hole that can screw togather construction bolt, the spiral shell axle of adjuster is spirally connected in the outside of described construction bolt, the bottom of shank end is installed in the outside of this spiral shell axle, therefore utilize the outside of the bottom dual support construction bolt of adjuster and shank end, strengthen its support strength, prevent the distortion of construction bolt or lose, can access firm height adjuster, simultaneously, can carry out respectively adjuster and castor for the installation of shank end, the shank end is for the installation of shank pillar, can be rationally and easily carry out these assemblings.

In the 19 invention, because the relative inner face at the shank end arranges a plurality of slots, simultaneously, be fixedly installed the baffle ring of a plurality of locking pawls in the upper end of the spiral shell axle of adjuster, described locking pawl can be arranged with described slot with engaging, therefore prevent the rotation of the spiral shell axle of adjuster, stop the variation of the height and position after regulating, can the long term maintenance shank or the adjustment height of top board etc., to lock pawl can arrange with slot with engaging, support the upper end of construction bolt, can strongly prevent the distortion of construction bolt or lose.

In the 20 invention, because the relative inner face at the shank end arranges two slots, form the center angle of these two slots identical with two pivot angles that lock pawl of adjacency, the position of rotation of the locking pawl that therefore rotating operation of adjuster is caused is sticked in slot and keeps, the Height Adjustment position that can long term maintenance be formed by adjuster.

In the 21 invention, form described slot along the moving direction of the spiral shell axle of adjuster, can carry out the Height Adjustment of shank pillar or top board etc. on a large scale in whole the formations zone of slot, can keep its adjustment position.

In the 22 invention, can consist of to inward-outward direction elastic displacement ground owing to locking pawl, therefore realize the rotation of the baffle ring in the shank end, can be smoothly and easily carry out the height and position adjustment, simultaneously, in the adjusting range of wide scope set height position, can keep it and adjust the position.

In the 23 invention, because shank end, baffle ring and adjuster are synthetic resin system, therefore realize its lightweight and simple and cheap making, simultaneously, can give suitable elasticity, strengthen its intensity.

In the 24 invention, due to shank end and shank pillar one are consisted of, therefore can reduce number of components and make simple for structurely, simultaneously, can alleviate the trouble of assembling.

In the 25 invention, because earthing component is castor, therefore can realize easily the movement of desk, chair, furniture etc.

Description of drawings

Fig. 1 is the stereogram that the use form of applicable meeting desk of the present invention is shown.

Fig. 2 is the front view of Fig. 1.

Fig. 3 is the left view of Fig. 1, amplifies use state and folded state that top board is shown.

Fig. 4 decomposes the stereogram that major part of the present invention is shown.

Fig. 5 decomposes to amplify the stereogram that major part of the present invention is shown, and the interior carriage of lower frame and the assembled condition of lock link, engagement member and shank pillar are shown.

Fig. 6 is the front view that is applicable to engagement member of the present invention.

Fig. 7 is the right view of Fig. 6.

Fig. 8 is the stereogram that is applicable to engagement member of the present invention.

Fig. 9 is the cutaway view along the A-A line of Fig. 7.

Figure 10 is the cutaway view that the major part of the use state that is suitable for meeting desk of the present invention is shown, and the behaviour in service of having launched top board is shown.

Figure 11 is the stereogram of the major part when decomposing the assembling that applicable meeting desk of the present invention is shown, and the situation of one-sided shank pillar being inserted engagement member is shown.

Figure 12 is the stereogram of major part that the assembled state of applicable meeting desk of the present invention is shown, and engagement member, one-sided shank pillar and the assembled condition of connection box are shown.

Figure 13 is the cutaway view of the major part the when assembling of applicable meeting desk of the present invention is shown, and illustrates connection box is installed on situation before engagement member.

Figure 14 is the cutaway view of the major part the when assembling of applicable meeting desk of the present invention is shown, and illustrates connection box is installed on situation in the engagement member process.

Figure 15 is the cutaway view of the major part the when assembling that is suitable for meeting desk of the present invention is shown, and the situation that connection box is installed on engagement member is shown.

Figure 16 is the cutaway view that amplifies the major part of the use state that applicable meeting desk of the present invention is shown, and the situation that just begins folding top board is shown.

Figure 17 is the cutaway view that amplifies the major part of the use state that applicable meeting desk of the present invention is shown, and the situation in the top board folding process is shown.

Figure 18 is the cutaway view that amplifies the major part of the use state that applicable meeting desk of the present invention is shown, and the situation after top board folds is shown.

Figure 19 decomposes the stereogram that amplifies the major part that the height adjuster that is applicable to top board of the present invention is shown.

Figure 20 decomposes the stereogram that amplifies the major part that above-mentioned height adjuster is shown, and the installation situation of the baffle ring in the shank end is shown.

Figure 21 is the top view that amplifies the major part that above-mentioned height adjuster is shown, and the situation after the installation of the baffle ring in the shank end is shown.

Figure 22 is the cutaway view that the major part of above-mentioned height adjuster is shown, and the extreme lower position that shank end or top board are shown is adjusted situation.

Figure 23 is the cutaway view that the major part of above-mentioned height adjuster is shown, and the Height Adjustment of being undertaken by by adjuster is shown, and situation is adjusted in the extreme higher position of shank end or top board.

Figure 24 is the situation of amplifying after the installation that the baffle ring that is applicable to above-mentioned height adjuster is shown.

Figure 25 is the stereogram that the meeting desk of applicable the second embodiment of the present invention is shown.

Figure 26 is the stereogram that the meeting desk of applicable the 3rd embodiment of the present invention is shown, and at the sidepiece of this desk, hook is set, and makes it possible to keeping handbag class.

Figure 27 is the stereogram that decomposes the major part that above-mentioned the 3rd embodiment is shown.

Symbol description

1: folding table (meeting desk)

4: lower frame

4a: curved tabs

5: engagement member

6,8: the shank pillar

18: carriage

18a: pivot branch

19: substrate

23: fastener

24,25: slot

26: cam path

28: pivot props up groove

29: the holding section

33: the dogging groove

35: lock link

35a: engaging protrusion

39: action bars

41: connection box

44: the dogging sheet

45: the engaging pawl

46: slotted hole

47: slot

48: lock pawl

82: hook bolt

84: hook

85: shank

88: the handbag class

89: the mobile division.

The specific embodiment

Below, the illustrated embodiment as the meeting desk of folding table that the present invention is applicable to possess locking device that top board is arranged is described, in Fig. 1 to Figure 24, the 1st, folding table, this table 1 possesses: the top board 2 of the rectangle of growing crosswise; The a pair of enhancing frame 3 of cornue system, the length direction configured separate below this top board 2; The lower frame 4 in reverse U shape cross section roughly connects the both ends of this enhancing frame 3, screw is screwed in the both ends of being fixed in top board 2 below; Engagement member 5, one ends of aluminium diecasting system can be rotationally connected with the pars intermedia of this lower frame 4; The shank pillar 6 of the linearity of steel pipe system is connected in the other end of this engagement member 5; The shank pillar 8 of the roughly L word shape of steel pipe system is connected in the outside via the jockey 7 of U shaped sections on the top of this shank pillar 6; Plastic shank end 9,10 is connected in shank pillar 6,8 bottom; Castor 12,13 rotates and to be installed on freely around this shank end 9,10 axle, is earthing components that can 11 walkings on ground.In figure, 8a is mounted in the cap of synthetic resin of the upper end of shank pillar 8.

Above-mentioned lower frame 4 becomes steel plate bending roughly, and the reverse U shape cross section forms, pars intermedia at its a pair of curved tabs 4a, 4a arranges through hole 14,15, above smooth between above-mentioned curved tabs 4a, 4b, 4b forms a plurality of Screws hole 16 and connecting hole 17, and plastic carriage 18 is installed on this connecting hole 17 towards the below.

In this case, the strength reinforcing requirement of the carriage 18 that produces for the maximization that is accompanied by top board 2 also can replace synthetic resin fat system, and carriage 18 is adopted aluminium diecasting system or steel plate system.

Above-mentioned carriage 18 forms the roughly tabular of wall thickness, the substrate 19 that possesses the roughly H shape of the inboard that can be arranged on above-mentioned top 4b thereon on the end, 4 positions of the leading section of this substrate 19 can be sticked in the inner face ground configuration of two curved tabs 4a of lower frame 4, prevent the rotation after carriage 18 is installed.

Project the engaging protrusion 20 of gap with seam outside the mediad of aforesaid substrate 19, this engaging protrusion 20 is pressed in above-mentioned connecting hole 17, its neck is sticked in the opening edge of connecting hole 17 and is installed on lower frame 14.

The roughly circular-arc pivot 18a of branch that is shaped in the bottom of above-mentioned carriage 18 forms the pivot that can insert pivot 21 in the central authorities of this pivot 18a of branch and props up hole 22, in addition, forms smooth snap-latch surface 23 at the side end of circular-arc side face.

The top of above-mentioned engagement member 5 forms the corner post shape of the abnormity that can insert lower frame 4 inboards, forms smooth locking surface 5a in the upper end of its outer peripheral face, forms even surface 5b in the toe lateral of above-mentioned outer peripheral face.

Form the first slot 24 of chevron at the pars intermedia of above-mentioned locking surface 5a, in addition, pars intermedia at above-mentioned even surface 5b forms jagged the second slot 25, can configure lock link described later in these slots 24,25 with engaging, simultaneously, form the cam path 26 with this groove 24,25 same widths between above-mentioned slot 24,25, can accommodate slidably the holding section of above-mentioned lock link in this cam path 26.

Rear portion side side face on the top of above-mentioned engagement member 5, a pair of beam barrel section 27,27 configured separate, the pivot that forms the shrinkage pool shape between this beam barrel section 27,27 props up groove 28, props up the pivot 18a of branch that can engage ground receptacle bracket 18 in groove 28 at this pivot.

The upper side opening edge that props up groove 28 at above-mentioned pivot forms smooth locking surface 29, and when top board 2 was folding, the snap-latch surface 23 of above-mentioned carriage 18 can be sticked in above-mentioned locking surface 29.

Form axis hole 30,30 in above-mentioned beam barrel section 27,27, insert the pivot 18a of branch of carriage 18 between this beam barrel section 27,27, in addition, insert pivot 21 in the through hole 14 of lower frame 4, be inserted into axis hole 30,30 and pivot prop up hole 22, screw in nut 32 in the end of its spiral shell axle 31, the top of engagement member 5 can be rotationally connected with the carriage 18 that is fixed on lower frame 4.

The Lower Half of above-mentioned engagement member 5 is configured as the corner post shape with above-mentioned angle cylindrical portion undergauge, makes its downside corner post 5c of section can insert shank pillar 6, forms elongated dogging groove 33 at the pars intermedia of its toe lateral side face.In figure, the 34th, the Screw hole can screw in from the outside of shank pillar 6 Screw (omitting diagram).

Above-mentioned lock link 35 can be configured in the inboard of lower frame 4 rotationally, this connecting rod 35 forms the roughly word shape of falling L with the steel plate forging and molding, its thickness of slab forms and above-mentioned slot 24,25 or the roughly the same thickness of the groove width of cam path 26, the engaging protrusion 35a of front end can be sticked in above-mentioned slot 24,25 ground formation, and can be contained in slidably above-mentioned cam path 26.

Base end part at above-mentioned lock link 35 forms through hole (omitting diagram), project the beam barrel section 36 of tubulose in the peristome of this through hole, tube connector 37 inserts this beam barrel section 36, turning cylinder 38 inserts this tube connector 37 from the outside of lower frame 4 via through hole 15, this beam barrel section 36, tube connector 37 and turning cylinder 38 screws are fixed, and can be with connect movingly with them.

In figure, 38a is formed in the wide diameter portion in the outside of turning cylinder 38, and the axial region 39a screw of action bars 39 is fixed in this wide diameter portion 38a.

Both ends at above-mentioned tube connector 37, be installed as the snap 40 of torsion spring, the one end hook is stuck in the engaging protrusion 35a of lock link 35, with its other end dogging in the fixing Screw of lower frame 4, by its elasticity, can be rotationally with tube connector 37, turning cylinder 38 and action bars 39 to a direction application of force, and, engaging protrusion 35a can be sticked in slot 24, the 25 ground application of forces.

Set up the enhancing frame 41 that the steel pipe by rectangle consists of between above-mentioned engagement member 5,5, strengthen both ends welding dogging plate 42 of frame 41 at this.Above-mentioned dogging plate 42 becomes roughly zigzag shape and forming of cross section with the steel plate bending of rectangle, and the bottom projects curved tabs 42a, 43 thereon, places to strengthen frame 41 on this curved tabs 43, with their junction surface welding.

The pars intermedia of the ora terminalis of above-mentioned curved tabs 42a is bent to the right angle, form dogging sheet 44, at an end of this dogging sheet 44, project engaging pawl 45 to the side.

Above-mentioned dogging sheet 44 inserts the slotted hole 46 of the shank pillar 6 of the downside corner post 5c of section that is installed on engagement member 5, and the dogging groove 33 of insertion engagement member 5 can engage with above-mentioned engaging pawl 45 the internally installation that breaks away from dogging groove 33.

That is, the side in above-mentioned dogging groove 33 (downside in embodiment) forms slot 47, projects in the opening edge of this slot 47 and locks pawl 48, and this lockings pawl 48 can be engaged the base portion ground setting that breaks away from above-mentioned engaging pawl 45.

In figure, 49 are arranged on the Screw hole at the both ends of dogging plate 42,50 are formed in the through hole of the end that strengthens frame 41,51 are arranged on the through hole of the pars intermedia of dogging plate 42, these through holes 50,51 as dogging plate 42 is welded in strengthen frame 41 after, the osculum of the degreasing detergent remover when being immersed in the degreasing detergent remover and carrying out drying.In figure, 52 be arranged on top board 2 under accepting rack, set up a plurality of hack levers (canopy Zhan) 53 on this accepting rack 52.

In addition, in figure, 54 are mounted in the plastic lower mask of the rear peristome of lower frame 4, are configured as roughly U word shape of cross section, the projection (omitting diagram) of the face of setting within it are sticked in the groove 55 of lower frame 4, can be installed on lower frame 4 with loading and unloading.56 are formed in the otch at the rear portion of lower mask 54, and above-mentioned enhancing frame 3 can insert this otch 56.The 57th, can place the operation post of top board 2.

On the other hand, about above-mentioned shank end 9,10, shank end 9 forms roughly straight tube-like, shank end 10 forms roughly L word shape, they consist of in fact equally, its upper end forms the rectangular tubular that can be embedded in shank pillar 6,8 undergauge, screws in Screw 90 and connects at the suitable position of its reducing diameter part 9a, 10a.

It is trapezoidal that above-mentioned shank end 9,10 bottom form the pyramid of undergauge downwards, form the face that slips 58 of mild concave curved surface shape within it on the subtend face of side along above-below direction, slip on face 58 at this and separate two slots 59 of formation, 59 along above-below direction.

The slot 59 of above-mentioned adjacency, 59 center angle θ form namely 60 ° of 1/6 anglecs of rotation of adjuster described later, and 1/6 rotation by above-mentioned adjuster can be sticked in the point of engaging pawl described later above-mentioned slot 59.

In figure, the 60th, the peristome of the shaping use that the pars intermedia of shank end 10 is cut above, cap 61 loading and unloading freely are installed on this peristome 60.In this case, shank end 9 is straight tube-like roughly, due to its upper end open, does not therefore have above-mentioned peristome 60.

Form screwed hole 62 in above-mentioned shank end 9,10 bottom, the spiral shell axle 64 of plastic adjuster 63 screws in this screwed hole 62 from the below, this adjuster 63 is main composition members of height adjuster of the desk of top board 2 grades, by the screw-in amount of above-mentioned spiral shell axle 64, can regulate shank end 9,10 or top board 2 to ground 11 height.

Project the locking axle 65 that possesses locking surface in the upper end of above-mentioned spiral shell axle 64, baffle ring 66 doggings lock axle 65 in this, and Screw 67 screws in from the top of this baffle ring 66 screwed hole 68 that locks axle 65.

It is tabular that above-mentioned baffle ring 66 is configured as plastic hexagonal, form in the central and lock the stop hole 69 of axle 65 with shape, in its outside, 6 engaging pawls 70 are formed at the equal angles position, be formed at 60 ° of positions in embodiment, its pivot angle θ formed identical with the center angle θ of slot 59.

Above-mentioned engaging pawl 70 forms the roughly word shape of falling L, its outer peripheral face forms roughly chevron, form grooving 71 between the outer peripheral face of its leading section and medial surface and baffle ring 66, via this grooving 71, make engaging pawl 70 to the inward-outward direction displacement, can make engaging pawl 70 engage disengaging with slot 59.

Namely, baffle ring 66 can rotate on face 58 and configuration slidably above-mentioned slipping, when the rotation of being undertaken by the operation of above-mentioned adjuster 63, the point 70a of periphery of engaging pawl 70 is sticked in above-mentioned slot 59, can make shank end 9,10 or the height of top board 2 rise or descend.

Thereby, if for example make adjuster 63 rotations once, baffle ring 66 is synchronizeed rotation with it, shank end 9,10 or the height of top board 2 move up and down 1 pitch amount of the spiral shell axle 64 of adjuster 63, if make adjuster 63 rotations 1/6, namely rotate 60 °, the point 70a that engages pawl 70 is sticked in the slot 59 of adjacency, make shank end 9,10 or the height of top board 2 move up and down 1/6 pitch amount of the spiral shell axle 64 of adjuster 63, can keep the rotational angle of its clamped position.

Inside at above-mentioned spiral shell axle 64 forms screwed hole 72, and this screwed hole 72 forms shrinkage pool 74 in the lower aperture of the operation panel 73 of the bottom that is based in adjuster 63 at this peristome.

The construction bolt 75 that is based in the top of castor 13 screws in and is anchored on above-mentioned screwed hole 72, and adjuster 63 and construction bolt 75 can one and with consist of movingly.

Base portion at above-mentioned construction bolt 75 arranges flange 76, and this flange 76 can be contained in above-mentioned shrinkage pool 74 with engaging, when adjuster 63 being supported on this flange 76, castor 13 rotations is installed freely.

In figure, 75a is the head of construction bolt 75, and 77 are formed in the tongue-shaped hooking sheet of interior lateral circle surface of the reducing diameter part 10a of shank end 10, form grooving 78 around it, by its elasticity, makes the hooking sheet 77 can be to the displacement of thickness of slab direction.

At the leading section of above-mentioned hooking sheet 77, engaging protrusion 79 projects toward the outer side, and this engaging protrusion 79 can be arranged with the stop hole 80 of the interior lateral circle surface that is formed on shank pillar 8 with engaging, can easily shank end 10 be connected in shank pillar 8.In this case, the shank end 9 corresponding with shank pillar 6 also adopts same formation.

In addition, in figure, 81,81 are formed in the Screw hole of the upper end side face of shank pillar 6, and its pitch is formed the pitch identical with the Screw hole 34 that is formed at engagement member 5.

In the folding table that consists of like this, as main component parts, possesses the height adjuster of engagement member 5, shank pillar 6 and 8, carriage 18, lock link 35, enhancing frame 41, dogging plate 42, top board 2.

Above-mentioned height adjuster possesses the shank end 9 and 10 that can be connected in shank pillar 6,8 bottom, can be arranged on up or down shank end 9, the adjuster 63 of 10 lower end, stop the rotation displacement of this adjuster 63 or the baffle ring 66 that moves up and down, can support adapter 63 the castor 12,13 as earthing component.

Wherein, engagement member 5 is configured as top by aluminium diecasting the corner post shape of abnormity, and Lower Half is configured as the corner post shape of undergauge slightly, and the end forms smooth locking surface 5a thereon, forms even surface 5b in its toe lateral.

And, form the first slot 24 of chevron at the pars intermedia of above-mentioned locking surface 5a, form jagged the second slot 25 at the pars intermedia of above-mentioned even surface 5b, form the cam path 26 with this slot 24,25 same widths between this slot 24,25.

Separate at the rear portion side side face of above-mentioned engagement member 5 a pair of beam barrel section 27,27 that projects, form axis hole 30,30 thereon, simultaneously, the pivot that forms the shrinkage pool shape between beam barrel section 27,27 props up groove 28, and the upper side opening edge that props up groove 28 at this pivot forms smooth locking surface 29.

In addition, pars intermedia at the toe lateral side face of engagement member 5 forms elongated dogging groove 33, a side in this dogging groove 33, be downside in the present embodiment, form slot 47, project in the opening edge of this slot 47 and lock pawl 48, simultaneously, form a pair of Screw hole 34 at the lower lateral circle surface of engagement member 5.

Above-mentioned shank pillar 6,8 steel pipe cuttings with the cornue shape become preliminary dimension, wherein, the shank pillar 6 of front side is formed linearity, the interior lateral circle surface of end forms slotted hole 46 thereon, this slotted hole 46 form Screw hole 81,81 in abutting connection with side face, simultaneously, the shank pillar 8 of rear side is formed roughly L word shape, be welded to connect fixture 7 in these shank pillars 6,8 upper end, their one are connected.

Above-mentioned shank end 9,10 ester mouldings are for being installed on the cornue shape of shank pillar 6,8 bottom, relative inner face at an upper portion thereof forms a plurality of slots 59 along above-below direction, forms the screwed hole 62 of the spiral shell axle 64 that can screw in adjuster 63 in the bottom.

Wherein, the top side face of the shank end 10 of L word shape forms peristome 60 bending to roughly, stops up at these peristome 60 mounting caps 61, on the other hand, roughly the shank end 9 of straight tube-like is upper opening, at its relative inner face along above-below direction a plurality of slots 59 that are shaped.

And, shank end 9,10 screws are fixed in shank pillar 6,8 bottom, the spiral shell axle 64 of adjuster 63 is screwed in this shank end 9,10, baffle ring 66 is arranged on the upper end of this spiral shell axle 64, the screwed hole 62 that will screw in the construction bolt 75 of castor 12,13 one above-mentioned spiral shell axle 64 is also fastening.

Above-mentioned carriage 18 forms the roughly tabular of heavy wall by synthetic resin, the end forms the roughly substrate 19 of H shape thereon, project the engaging protrusion 20 of gap with seam outside the mediad of this substrate 19, the roughly circular-arc pivot 18a of branch is formed at the bottom at carriage 18, central authorities' formation pivot at this pivot 18a of branch props up hole 22, simultaneously, the side end at circular-arc side face forms smooth snap-latch surface 23.

Above-mentioned lock link 35 forms the roughly word shape of falling L with the steel plate forging and molding, its thickness of slab is formed and above-mentioned slot 24,25 or the roughly the same thickness of the groove width of cam path 26, form engaging protrusion 35a at its front end, this engaging protrusion 35a can be formed with slot 24,25 with engaging, simultaneously, can form slidably at above-mentioned cam path 26.

Above-mentioned enhancing frame 41 becomes preliminary dimension with the steel pipe cutting of rectangle, forms through hole 50 in its end.

In addition, above-mentioned dogging plate 42 becomes roughly Z-shaped shape and forming of cross section with the steel plate bending of rectangle, and the bottom projects curved tabs 42a, 43 thereon, and the pars intermedia of the ora terminalis of a curved tabs 42a is bent to the right angle, form dogging sheet 44, project engaging pawl 45 to the side at an end of this dogging sheet 44.

In formation Screw hole, the both ends of above-mentioned dogging sheet 44 49, in addition, after the inboard at the junction surface that strengthens frame 41 forms a plurality of through holes 51, place the end that strengthens frame 41 on another curved tabs 43, the junction surface welding with them connects their one.

After above-mentioned welding, the assembly that strengthens frame 41 and dogging plate 42 is immersed in the degreasing detergent remover, after degreasing is cleaned, this degreasing detergent remover from through hole 50,51 dischargings, is dewatered and drying, standby in the application that strengthens frame 41 and dogging plate 42.

Above-mentioned adjuster 63 forms screwed hole 72 with spiral shell axle 64 and operation panel 73 ester mouldings in the inside of spiral shell axle 64, and formation recess 74 below operation panel 73 projects in the upper end of spiral shell axle 64 and locks axle 65, and section forms screwed hole 68 within it.

Above-mentioned baffle ring 66 ester mouldings are that hexagonal is tabular, at its peripheral part, 6 of the word shape of falling L engaging pawls 70 are formed on the equal angles position, and peripheral part of each engaging pawl 70 is formed roughly chevron shape, simultaneously, its point 70a can be engaged with slot 59.

And the whole inboard grooving 71 that forms from the base portion of each engaging pawl 70 to leading section makes the engaging pawl 70 can be to the inward-outward direction displacement.

Above-mentioned castor 12,13 possesses the construction bolt 75 that can screw in above-mentioned screwed hole 62, castor 12,13 is rotated be formed in freely this construction bolt 75, in the present embodiment, uses therein known parts.

Like this, due to above-mentioned shank pillar 6, the 8th, form stop hole 80,80 simple formation in the bottom of rectangular tube, shank end 9,10 ester mouldings are roughly L font pipe and straight tube-like, relative inner face at an upper portion thereof, along the separating shaped concavity curved surface 58 of above-below direction and two slots 59,59, form screwed hole 62 in its underpart owing to needing only, therefore do not need as prior art welding or screw division or screwed hole and complicated groove processing or shape processing, can easily and at an easy rate make.

In addition, above-mentioned adjuster 63 is for possessing spiral shell axle 64 and operation panel 73, forming the screwed hole 72 that can screw in construction bolt 75, the simple formation that forms locking axle 65 and screwed hole 68 in the upper end of spiral shell axle 64 in the inside of spiral shell axle 64, do not need as prior art, be arranged on the locking member of complexity of bottom of castor and shank and component parts thereof or braking parts can the shifting ground be based in the shaping of the complexity of operation panel 73, can easily and at an easy rate make.

Secondly, state in the use in the situation of component parts assembling folding table, a pair of lower frame 4,4 screws are fixed on the following both ends of top board 2.

In the present embodiment, nut (not shown) is buried in precalculated position in the inside of top board 2 underground, lower frame 4,4 Screw hole 16 is positioned its intercommunicating pore, in inserting Screw or bolt and screw in nut, thereby lower frame 4,4 is fixed in top board 2 in this Screw hole 16.

Then, keep carriage 18, make the inboard of its substrate 19 4b above the inboard of lower frame 4 is positioned, the engaging protrusion 20 in the outside is pressed into connecting hole 17, carriage 18 is installed on the inboard of lower frame 4.

Then, keep engagement member 5, insert the pivot 18a of branch of carriage 18 between its beam barrel section 27,27, when keeping this state, insert axis holes 14 from the side of lower frame 4 with pivot 21, insert it into the through hole 30,30 of beam barrel section 27,27, with its spiral shell axle from axis hole 14 to lower frame 4 the outside outstanding, nut 32 is screwed in its spiral shell shaft end, engagement member 5 can be rotationally connected with carriage 18.

On the other hand, tube connector 37 is inserted lower frames 4,4 through hole 15,15, the beam barrel section 36 of snap 40 and lock link 35 is installed in the end of the tube connector 37 in this lower frame 4,4, one end hook of this snap 40 is stuck in lock link 35, with other end dogging in the fixing Screw of lower frame 4, and, give elasticity to snap 40, with lock link 35 application of force rotationally, engaging pawl projection 35a can be engaged with first or second slot 24,25 of engagement member 5.

And, Screw is inserted the Screw hole of the beam barrel section 36 of above-mentioned lock link 35, this Screw is screwed in each Screw hole of the end of tube connector 37 and turning cylinder 38, with they integratedly screw fix and can be with connect movingly.

The wide diameter portion 38a of the end of above-mentioned turning cylinder 38 is positioned the outside of lower frame 4, the axial region 39a of action bars 39 is inserted this wide diameter portion 38a, their screws are fixed.

Like this, installation lower frame 4 below top board 2, in the upper end of the installed inside engagement member 5 of this lower frame 4, the beam barrel section 36 of the base portion of carriage 18 and lock link 35, after the outside of lower frame 4 fitting operation bar 39, mask 54 under installing at the rear portion of lower frame 4, rear portion and the lock link 35 of lower mask 54 are covered behind the inside of this cover 54, with the packing of casing together of these top plate member.

At this moment, fold joint member 5, the dogging plate 42 that will be fixed in the end that strengthens frame 41 inserts its slotted hole 33, moves this enhancing frame 41 along slotted hole 33, will engage pawl 45 with slot 47 and lock pawl 48 to engage, and temporarily is fixed in engagement member 5.

On the other hand, shank end 9,10 is installed in bottom at front and back pair of leg bilge cod 6,8, adjuster 63,63 and castor 12,13 is installed on this shank end 9,10, in shank end 9,10 inside, baffle ring 66 is installed, after the mounting cap 8a of the upper end of shank pillar 8, with one group of the left and right packing of casing together of this leg assembly.

And, after each assembly of the above-mentioned packing of carrying, when carrying destination use said modules assembling folding table, at first, be placed on top plate member on operation post 37 take top board 2 as downside, move above-mentioned temporary fixed dogging plate 42 along slotted hole 33, engagement release pawl 45 is with slot 47 and lock engaging of pawl 48, pulls out from dogging groove 33.

Then, take pivot 21 as fulcrum, engagement member 5 is erected slightly, under this situation, in one group of shank pillar 6,8 of leg assembly, the shank pillar 6 of the front side of linearity is inserted engagement members 5, make slotted hole 46 and 33 contrapositions of dogging groove.This situation as shown in figure 11.

And, after inserting above-mentioned shank pillar 6, engagement member 5 is returned to the level of original state, keep above-mentioned enhancing frame 41, with the dogging plate 42 insertion slotted holes 46 at its both ends, and, after insertion dogging groove 33 is interior, along slotted hole 46 movable hook clamps 42, will engages pawl 45 and be sticked in slot 47 and lock on pawl 48, they are temporarily fixing, with the medial surface configuration of dogging plate 42 near shank pillar 6.This a series of situation such as Figure 12 are to shown in Figure 14.

Thereby, before screw described later is fixing, easily obtain the temporary transient vertical state of establishing of the desk that formed by shank pillar 6,8.

So, make the Screw hole 49,49 of dogging plate 42 and Screw hole 60,60 contrapositions of shank pillar 6, Screw is inserted in them, and, this Screw is screwed in the Screw hole 34,34 of engagement member 5, will strengthen frame 41 and be connected in shank pillar 6,8 or engagement member 5.This situation as shown in figure 15.

If assemble like this top plate member and leg assembly, finish a series of assembling operation.This assembled condition as shown in Figure 1 to Figure 3.

Namely, shank pillar 6,8 is inside and outside the both sides of folding table are positioned at, extend in the place ahead of the lower direction folding table of inboard shank pillar 6, extend at the rear of the lower direction folding table of the shank pillar 8 in the outside, in this shank pillar 6,8 lower end, castor 12,13 is installed, set up between this shank pillar 6,6 upper end and strengthen frame 41, in addition, mask 54 under installing at lower frame 4,4 rear portion.

And, the upper end of engagement member 5 is connected in the inboard of lower frame 4, upper end at this engagement member 5 configures tabular lock links 35 along engagement member 5, centre position at the outer peripheral face of attaching parts 5 forms the first and second slot 24,25, and the engaging protrusion 35a of lock link 35 can be disposed at these slots 24,25 with engaging.

Thereby, at the outside of lower frame configuration locking connecting rod, project engagement pin to the side on this lock link, simultaneously, upper end at pillar arranges cam disc, form two slots along the thickness of slab direction on this cam disc, compare with the locking device that above-mentioned engagement pin is sticked in the existing top board of this slot, the space of occupying that does not need lock link or engagement pin, it is compact that the peripheral space of lower frame 4 correspondingly becomes, simultaneously, realize slimming or the miniaturization of engagement member 5, realize the miniaturization and of this folding table.

On the other hand, state in the use in the situation of height adjuster of member of formation assembling top board of making, at first, adjuster 63 is installed on shank end 9,10.

In this case, prepare adjuster 63 and shank end 9,10, the spiral shell axle 64 of adjuster 63 is screwed in the screwed hole 62 of shank ends 9,10, the upper end that makes spiral shell axle 64 is outstanding to shank end 9,10 inside.

In embodiment, with the above-mentioned screwed hole 62 of whole screw-ins of spiral shell axle 64, its upper end is positioned the extreme higher position, carry out easily the installation of baffle ring 66.

Then, at the stop hole 69 of the chimeric baffle ring 66 of locking axle 65 of the upper end of spiral shell axle 64, from the top of this baffle ring 66, Screw 67 is screwed in the screwed hole 68 that locks axles 65, it is fastening, baffle ring 66 is fixed on the upper end of spiral shell axle 64.

This situation such as Figure 19 are to shown in Figure 22, and the point 70a of the locking pawl 70 of baffle ring 66 is sticked in slot 59, perhaps can be positioned at slot 59 with engaging.

Then, the construction bolt 75 of castor 13 is screwed in the screwed hole 62 of spiral shell axle 64 inside of adjusters 63, it is firmly fastened to, make castor 13 be connected in integratedly adjuster 63.

This situation screws in the construction bolt 75 of castor 13 as shown in figure 22 in the whole zone of screwed hole 62, flange 76 engagings of the base portion of above-mentioned bolt 75 are installed on recess 74.

Like this, assembling adjuster 63, shank end 9,10 and castor 13, these assemblies are standby in shank pillar 6,8 assembling.

In the situation that use the assembly assembling meeting desk 1 of such castor 13, as long as said modules is installed on the shank pillar 6,8 of meeting desk 1.

Namely, the bottom that the shank end 9 of said modules, 10 reducing diameter part 9a, 10a are inserted shank pillar 6,8, by the elastic displacement that is produced by the resilience of hooking sheet 77, engaging protrusion 79 is sticked in the stop hole 80 of shank pillar 6,8 bottom, after their are temporarily fixing, Screw 90 is screwed in they the junction surface screwed hole and connect.

After above-mentioned connection, if being inserted peristome 60, installs by cap 61, easily and promptly carry out a series of assembling.Situation after assembling as shown in figure 22, the meeting desk 1 after assembling is as shown in Figure 1 to Figure 3.

When the use of above-mentioned folding table, as Fig. 1 to Fig. 3 and shown in Figure 10, top board 2 is flatly supported, the smooth locking surface 5a of the upper end of engagement member 5 be sticked in lower frame 4 above, the engaging protrusion 35a of lock link 35 is sticked in the second slot 25 of engagement member 5, with the engagement member 5 of the second slot 25 opposition sides near the position, the substrate 19 of carriage 18 can configure with engaging.Thereby, reliably and strongly keep the flat-hand position of top board 2, form the use state of safety.

In this case, can be sticked in curved tabs 4a, the 4a ground configuration of lower frame 4 due to the substrate 19 of carriage 18, therefore stop the rotation of substrate 19, when reliably and strongly keeping the flat-hand position of top board 2, adhere to utilizing the pivot of the engagement member 5 that pivot 21 carries out to prop up state.

In addition, lock link 35 can be biased to the clockwise direction on Figure 10 rotationally by the elasticity of snap 40, when keeping the engaging of engaging protrusion 35a and the second slot 25, action bars 39 can be biased to the direction identical with lock link 35 rotationally by the elasticity of snap 40.

Under the state of the keeping after using from the folding top board 2 of the use state of such top board 2, hold action bars 39, the elasticity of opposing snap 40, rotating operation bar 39 makes progress centered by turning cylinder 38.

So lock link 35 is synchronizeed with the action of action bars 39 and rotated, its engaging protrusion 35a is pulled out from the second slot 25, removes engaging of the second slot 25 and engaging protrusion 35a.This situation as shown in figure 16.

So, if keep the state of holding of aforesaid operations bar 39, boost the rear portion of top board 2, top board 2 is centered by pivot 21, and the counter clockwise direction on Figure 16 is rotated.

At this moment, lock link 35 is also centered by pivot 21, and the counter clockwise direction on Figure 10 is rotated, from even surface 5b leave mobile after, snap in cam path 26 from the upper end of even surface 5b.This situation as shown in figure 17.

Then, if further boost top board 2, the engaging protrusion 35a of lock link 35 slides along the bottom surface of cam path 26, moves to the first slot 24.

Thereby if decontrol action bars 39, action bars 39 by the elasticity of snap 40, rotates downwards centered by turning cylinder 38, returns to original position.

And with the recovery of action bars 39 action interlock, lock link 35 is synchronizeed rotation with action bars 39, and engaging protrusion 35a engages with the first slot 24, and crimping slot 24, stops the rotation of top board 2.

Thereby top board 2 is folded into parallel with the upper end of shank pillar 6 or shank pillar 8 skewed.This situation as shown in figure 18.

When such top board 2 folding, in a side, the engaging protrusion 35a of lock link 35 engages with the first slot 24, at opposite side, the smooth snap-latch surface 23 that forms on the smooth locking surface 29 that the pivot that forms on engagement member 5 props up groove 28 is sticked in the pivot 18a of branch at carriage 18, stop clockwise direction and the anticlockwise rotation of top board 2, reliable and be formed uniformly the folding angle of top board 2.

In addition, when top board 2 folding, the locking surface 5a of engagement member 5, carriage 18 and the first slot 24 are covered by lower frame 4 or lower mask 54, and the second slot 25 is covered by lower mask 54, therefore avoid finger to insert wherein and nipped situation can be guaranteed the security of using.

On the other hand, in the situation that use from the folded state expansion top board 2 of such top board 2, hold action bars 39, the elasticity of opposing snap 40 pulls to top board 2 sides with this action bars 39.

So with moving, its engaging protrusion 35a is pulled out from the first slot 24 lock link 35 with action bars 39, engagement release projection 35a engages with the first slot 24.

Thereby, if keep the above-mentioned state of holding of action bars 39, left behind in the rear portion of top board 2, top board 2 is centered by pivot 21, and the clockwise direction on Figure 18 rotates.

At this moment, lock link 35 leaves from cam path 26 and even surface 5b centered by pivot 21, and the clockwise direction on Figure 18 rotates.

Then, if top board 2 is further left behind, the engaging protrusion 35a of lock link 35 is near the peristome of the second slot 25.

Thereby if decontrol action bars 39, action bars 39 by the elasticity of snap 40, leaves rotation from top board 2, and namely centered by pivot 38, the clockwise direction on Figure 17 rotates, and returns to original position.

And with the recovery of aforesaid operations bar 39 action interlock, lock link 35 is synchronizeed rotation with action bars 39, and its engaging protrusion 35a engages with the second slot 25, stops 2 rotation of top board.Thereby top board 2 flatly launches and is supported by the upper end of shank pillar 6 and shank pillar 8.

This state as shown in figure 10, the smooth locking surface 5a of the upper end of engagement member 5 be sticked in lower frame 4 above, the engaging protrusion 35a of lock link 35 is sticked in the second slot 25 of engagement member 5, with the engagement member 5 of the second slot 25 opposition sides near the position, the substrate 19 of carriage 18 can configure with engaging.Thereby, reliably and strongly keep the flat-hand position of top board 2, guarantee the use state of safety thereafter.

The meeting desk 1 of assembling is supported by the shank pillar 6 of left and right, 8 like this, and each shank pillar 6,8 load are supported by adjuster 63 or castor 13.

At this moment, the construction bolt of castor 13 75 screws in the screwed hole 72 of the spiral shell axle 64 of adjusters 63, supports the outside, and above-mentioned spiral shell axle 64 screws in the Screw hole 62 of shank ends 9,10, supports the outside, the outside of dual support construction bolt 75.

Thereby, strengthen the support strength of construction bolt 75, the distortion that the load in the time of can preventing the use by meeting desk 1 produces or lose.

And, be sticked in the face of slipping 8 or slot 59 due to the upper end of construction bolt 75 via baffle ring 66 and supported, therefore strengthened the support strength of construction bolt 75, strongly prevent the distortion that is produced by above-mentioned load or lose.

After the assembling of above-mentioned meeting desk 1, adjuster 63 screws in the rear portion of shank end 9,10, the upper-end part of driving of spiral shell axle 64 is in the extreme higher position, operation panel 73 is positioned at extreme lower position, flange 76 is sticked in its recess 74, support adapter 63,11 height h is set in extreme lower position apart from ground with shank end 9,10, with top board 2 apart from ground 11 height setting in extreme lower position.This situation as shown in figure 22.

In the situation that adjust the height of shank end 9,10 or the height of top board 2 from such situation, keep the operation panel 73 of adjuster 63, it is for example rotated to counter clockwise direction.

So, castor 13 constraints that the lower moving displacement of spiral shell axle 64 is contacted with ground 11, on the other hand, the Screw hole 62 that screws togather with above-mentioned spiral shell axle 64 relatively moves up along spiral shell axle 64, shank end 9,10 leaves from operation panel 73, be moved upward, with shank end 9,10 or top board 2 apart from ground 11 Height Adjustment to high-order.

Like this, shank end 9,10 moves up, the bottom surface butt baffle ring 66 of peristome 60, shank end 9,10 move up and stop, shank end 9,10 or top board 2 apart from ground 11 height H (H＞h) is set as the extreme higher position.This situation as shown in figure 23.

Thereby, by the amount of spin of adjusting operation plate 35, can with shank end 9,10 or top board 2 11 Height Adjustment becomes desirable position apart from ground.

Like this, the Height Adjustment of the top board of above-mentioned embodiment can by operation panel 73 is carried out rotating operation to suitable direction, easily and smoothly be carried out.

At this moment, baffle ring 66 is same moving with the rotation of operation panel 73, the point 70a that locks pawl 70 is sticked in the face of slipping 58, although come the rotatory force of brake operating plate 73 by its contact friction force or interface pressure, but its brake force is because the interior outer displacement of the locking pawl 70 that the elasticity of baffle ring 66 and grooving 71 produce reduces, can be easily and carry out smoothly above-mentioned rotating operation.

Thereby, depress the locking member of tubular with antagonistic spring and remove the existing situation of rotating after the engaging of projection and groove and compare, do not need wrist power, can easily and effectively adjust.

In addition, the height adjuster of above-mentioned embodiment is after adjustment, the point 70a of the locking pawl 70 of baffle ring 66 is sticked in the slot 59 of the face of slipping 58, and, by its elasticity-intensified above-mentioned engaging, the rotation of therefore anti-baffle ring 66 prevents the variation of Height Adjustment position, can the desirable adjustment height of long term maintenance.

Figure 25 to Figure 27 illustrates other embodiment of applicable meeting desk 1 of the present invention, uses identical symbol with the component part that above-mentioned embodiment is corresponding.

Wherein, Figure 25 illustrates the second embodiment of the present invention, in this embodiment, the plastic curtain plate 81 of non-transparency is installed in the toe lateral of meeting desk 1, stops the perspective from toe lateral.

In addition, the formation of the lower frame 4 in this embodiment, engagement member 5, shank pillar 6 and 8, shank end 9 and 10, castor 13, carriage 18, lock link 35, lower mask 54, baffle ring 66 and effect thereof are identical with above-mentioned embodiment.

Figure 26 and Figure 27 illustrate the second embodiment of the present invention, this embodiment is formed in slightly lower position with the height of shank pillar 6,8 upper end, space on shank pillar 6 under top board 2,8 upper end is enlarged slightly, simultaneously, the jockey 7 of welding U shaped sections between shank pillar 6,8 upper end is at the plastic hook bolt 82 of the outer side covers of this jockey 7.

Above-mentioned hook bolt 82 is configured as roughly corner post shape, and its upper end is configured as mild convex curved surface, establishes the roughly hook 84 of circular plate type at the one pleurapophysis, and the medial surface of this hook 84 is formed taper.

Under above-mentioned hook 84, project the shank 85 of short and small corner post shape downwards, with the chimeric upper end that is installed on the shank pillar 8 in the outside of this shank 85.

In figure, the 86th, in the wider gap of the left and right sides opening of hook bolt 82, accommodate above-mentioned jockey 7 between this gap 86, make it possible to hidden this jockey 7.The 87th, the painted decorative panel that the plastic circle of desirable color is arranged projects a plurality of pins (omitting diagram) at its back side, and this pin can be embedded in the lip-deep shrinkage pool (omitting diagram) that is arranged on hook 84.

In addition, in figure, the 88th, the handbag classes such as bag, sack can be hooked in its mobile division 89 above-mentioned hook 84.

A side in the upper end of above-mentioned hook bolt 82, ester moulding hook 84 and shank 85 integratedly, install through painted decorative panel 87 on surface at above-mentioned hook 84, in addition, above-mentioned gap 86 and jockey 7 is chimeric, the front-back of dividing the hook bolt 82 in gap 86 is covered in the front-back of jockey 7, and hidden this jockey 7, in addition, with the chimeric upper end that is installed on shank pillar 8 of shank 86.Thereby shank 86 is also used as the cap of shank pillar 8.

Like this, if hook bolt 82 is installed, hidden jockey 7, upper end at this hook bolt 82 shows convex curved surface, in the one side, the cap (omitting diagram) that is arranged on the upper end of shank pillar 6 is outstanding, at its opposite side, the hook 84 that is arranged on via shank 86 on the upper end of shank pillar 8 is outstanding, and their form the hook space of wider concavity.

In addition, hook 84 is set under the both ends of top board 2, the decorative panel 87 through decorating is installed on this hook 84, improve side attractive in appearance of meeting desk 1, simultaneously, make the position of hook 84 obvious by decorative panel 87, promote the hook of handbag class 88 to use.

Because shank pillar 6,8 upper end are configured in slightly lower position, in addition, the inboard of hook 84 forms taper, above-mentioned suspension space is widened, therefore hook mobile division 89 easily and safely, and above-mentioned dogging section forms mild convex curved surface, therefore can or not nuzzle up and disrumpent feelings due to friction in the mobile division 89 in this convex curved surface, by hook safely.

In addition, each of above-mentioned embodiment arranges engagement member 5 and shank pillar 6 respectively, but also their one can be consisted of, and like this, can reduce number of components, alleviates the trouble of assembling.

Utilizability on industry

like this, folding table of the present invention is realized miniaturization and and the reinforcement support strength of the locking device of top board, in the reliable and stable use state that obtains top board and folded state, prevent from pointing when top board is folding and sandwich, guarantee the security used, and realize easily assembling, on the other hand, the height adjuster that possesses desk etc., its reinforcement is arranged on for example desk, chair, the support strength of the construction bolt of the castor of the shank such as furniture bottom, when preventing that it from losing or be out of shape, can be easily and adjust reliably shank or top board to the height on ground, can keep for a long time it to adjust height.

Claims (25)

1. folding table possesses: a plurality of lower frames, be arranged on top board below; Engagement member can rotary axis of earth support this lower frame; The shank pillar supports this engagement member; A plurality of slots are formed on the side face of described engagement member; Lock link, an end can be supported by described lower frame rotationally, and in the other end, the holding section that can engage with described slot disengaging is set; Action bars can be with this lock link with moving; And can top board is folding, described folding table is characterised in that, with the holding section of described lock link form with this lock link the same face on tabular, the upper end side face of engagement member is configured on rotary area the same face with the holding section of this lock link, and at the upper end of this engagement member side face, form a plurality of slots along the rotary area face of described holding section.

2. folding table according to claim 1, is characterized in that, described lower frame is become the reverse U shape cross section, the upper end side face of described lock link and engagement member is configured in the inboard of this lower frame.

3. folding table according to claim 1, is characterized in that, described lock link formed tabular, simultaneously, in the centre position of the upper end of described engagement member side face, forms the slot with the thickness of slab same widths of lock link.

4. folding table according to claim 1, is characterized in that, between the slot of the upper end side face that is formed at described engagement member, formation can snap in the cam path of the holding section of lock link.

5. folding table according to claim 1, it is characterized in that, the shaft supporting part of described engagement member is arranged at the opposition side of described slot, in the face of arranging pivot, this shaft supporting part props up groove, simultaneously, the carriage that can support rotationally the upper end of engagement member is set in the inboard of described lower frame, groove can be propped up with described pivot in the pivot branch of this carriage configure with engaging.

6. folding table according to claim 5, it is characterized in that, the peristome that props up groove at described pivot forms smooth holding section, simultaneously, pivot branch at described carriage forms smooth fastener, can engaging ground configuration when top board folding with this holding section and fastener.

7. folding table according to claim 5, is characterized in that, the base portion of described carriage can be sticked in ground, the upper end configuration of the axle support-side of engagement member.

8. folding table according to claim 2, is characterized in that, the base portion of described carriage is formed roughly H word shape, its each a pair of leading section can be sticked in the inner face ground configuration of the curved tabs of lower frame.

9. folding table according to claim 1, is characterized in that, described carriage is made of synthetic resin or die casting or iron and steel.

10. folding table according to claim 1, is characterized in that, described engagement member and shank pillar one are consisted of.

11. folding table according to claim 1, it is characterized in that, form the dogging groove at the bottom of described engagement member side face, simultaneously, arrange and the slotted hole of described dogging groove with shape at the top of shank pillar side face, the dogging sheet that is arranged on the both ends of connection box is arranged at described dogging groove and slotted hole with can engaging disengaging, and this connecting frame is located between the shank pillar of left and right.

12. folding table according to claim 11 is characterized in that, in a side of described dogging sheet, the engaging pawl is set, simultaneously, the side in the opening edge of described dogging groove forms and can engage the slot that the pawl engaging breaks away from and lock pawl with described.

13. folding table according to claim 1, it is characterized in that, hook bolt is installed on top at described shank pillar, in a side of the upper end of this hook bolt along projecting up and down hook and shank, described shank is installed on the shank pillar, makes described hook protrude from the upper end of this shank pillar.

14. folding table according to claim 13 is characterized in that, can be with the mobile division dogging of handbag class in described hook.

15. folding table according to claim 13 is characterized in that, the upper end of described shank pillar is configured in slightly lower position, simultaneously, the medial surface of hook is formed taper.

16. folding table according to claim 13 is characterized in that, the upper end of described hook bolt is formed convex curved surface.

17. folding table according to claim 1, it is characterized in that, bottom at described shank pillar forms screwed hole, and possesses the adjuster that construction bolt rotation freely is installed on the earthing component of this screwed hole and is bolted in described construction bolt, by the rotation of this adjuster, can adjust construction bolt for the screw-in amount of shank pillar.

18. folding table according to claim 17, it is characterized in that, at described shank pillar, the shank end can be set with loading and unloading, inboard at this shank end forms screwed hole, can be arranged at adjuster with the spiral shell axle that this screwed hole screws togather, inside at this spiral shell axle arranges the screwed hole that can screw togather construction bolt, the spiral shell axle of the adjuster that is spirally connected in the outside of described construction bolt, the bottom that the shank end is installed in the outside of this spiral shell axle.

19. folding table according to claim 18, it is characterized in that, at the relative inner face of described shank end, a plurality of slots are set, simultaneously, be fixedly installed the baffle ring of a plurality of locking pawls in the upper end of the spiral shell axle of adjuster, described locking pawl can be arranged with described slot with engaging.

20. folding table according to claim 18 is characterized in that, at the relative inner face of described shank end, two slots is set, and forms the center angle of these two slots identical with two pivot angles that lock pawls of adjacency.

21. folding table according to claim 18 is characterized in that, forms described slot along the moving direction of the spiral shell axle of described adjuster.

22. folding table according to claim 18 is characterized in that, described locking pawl can be consisted of to inward-outward direction elastic displacement ground.

23. folding table according to claim 18 is characterized in that, described shank end, baffle ring and adjuster are synthetic resin system.

24. folding table according to claim 18 is characterized in that, described shank end and shank pillar one are consisted of.

25. folding table according to claim 17 is characterized in that, described earthing component is castor.

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