CN114521757B

CN114521757B - Folding foot support and cabinet

Info

Publication number: CN114521757B
Application number: CN202210090743.7A
Authority: CN
Inventors: 卢顺接
Original assignee: BOne Furniture Co ltd
Current assignee: BOne Furniture Co ltd
Priority date: 2022-01-25
Filing date: 2022-01-25
Publication date: 2023-11-28
Anticipated expiration: 2042-01-25
Also published as: CN114521757A

Abstract

The invention discloses a folding foot rest and a cabinet, which comprise a seat body, a seat plate, a guide rod, a support rod, a mounting mechanism and a folding mechanism, wherein one end of the support rod is pivoted on one side of the seat body, and the other end of the support rod is pivoted on the middle part of the seat plate; the guide rod is slidably arranged on the seat body; the folding mechanism is connected between one end of the seat plate, which is close to the seat body, and one end of the guide rod; the folding mechanism can adjust the relative position between the seat board and the guide rod, so that the seat board can be folded towards the direction of the guide rod or unfolded away from the guide rod; the mounting mechanism is arranged on one side of the seat body, which is away from the seat plate, so that the whole folding foot support is mounted on the outer side of the cabinet body. The folding foot support can be attached to the outer side of a cabinet, has strong applicability and provides convenience for work or life of people.

Description

Folding foot support and cabinet

Technical Field

The invention relates to a cabinet, in particular to a folding foot support which can be attached to the outer side of the cabinet and provides convenience for riding.

Background

In office or living scenes, people use a desk to work, and all people need to use the desk with chairs, but when a cabinet is used, such as a wardrobe or a file cabinet, people do not need to sit, so that chairs do not need to be added in the household equipment. However, in some cases, for example, in work, the user needs to look up the data in front of the filing cabinet, in life, the user needs to sit in front of the shoe cabinet to try on, in these scenes, the user needs to sit to work, if a single chair is added in these scenes, the chair occupies a large amount of space, the furniture is affected, and the use is inconvenient.

Disclosure of Invention

The invention aims to provide the folding foot support which can be attached to the outer side of a cabinet and has strong applicability and provides convenience for riding.

The invention further aims to provide a cabinet with the folding foot support on the outer side, which is convenient for people to work or live.

In order to achieve the above purpose, the folding foot support provided by the invention comprises a seat body, a seat plate, a guide rod, a support rod, a mounting mechanism and a folding mechanism, wherein one end of the support rod is pivoted on one side of the seat body, and the other end of the support rod is pivoted on the middle part of the seat plate; the guide rod is slidably arranged on the seat body; the folding mechanism is connected between one end of the seat plate, which is close to the seat body, and one end of the guide rod; the folding mechanism can adjust the relative position between the seat board and the guide rod, so that the seat board can be folded towards the direction of the guide rod or unfolded away from the guide rod; the mounting mechanism is arranged on one side of the seat body, which is away from the seat plate, so that the whole folding foot support is mounted on the outer side of the cabinet body.

Compared with the prior art, the invention has the advantages that the two ends of the supporting rod are respectively pivoted on the seat plate and the seat body by arranging the supporting rod, and the guiding rod is arranged on the seat body in a sliding way. And through setting up folding mechanism, make folding mechanism's both ends respectively with the bedplate is close to the one end of pedestal with the one end of guide bar is connected, utilizes folding mechanism adjusts the bedplate with relative position between the guide bar for form a changeable triangle-shaped structure between bedplate, guide bar and the bracing piece. When the seat board is far away from the guide rod and is unfolded, the seat board can be used for a user to sit, and convenience is provided for work or life. When the seat board is close to the guide rod, the whole folding foot support can be folded, the occupied volume is reduced, and the use is very convenient. In addition, the side wall of the base body is provided with the mounting mechanism, so that the folding foot support can be conveniently mounted on the outer side of the cabinet by using the mounting mechanism, the assembly is very convenient, and the folding foot support can be suitable for different cabinets and has strong applicability.

Preferably, the folding mechanism comprises a first sleeve, a second sleeve, a main shaft, a ratchet wheel, a pawl, a positioning piece and an elastic piece, wherein the first sleeve is pivoted with the second sleeve, the first sleeve is fixedly connected with the guide rod, and the second sleeve is fixedly connected with the seat plate; the main shaft is fixed on the first sleeve, the ratchet wheel is fixedly sleeved on the second sleeve, the pawl and the positioning piece are coaxially pivoted on the main shaft through a rotating shaft, and the rotating shaft is eccentrically arranged relative to the center of the main shaft; the elastic piece provides an elastic force for enabling the pawl to be meshed with the ratchet wheel; the second sleeve is provided with a pushing part, the pawl is provided with a first clamping tooth and a second clamping tooth, and any one of the first clamping tooth and the second clamping tooth can be meshed with the ratchet wheel; the pushing part can push the positioning piece to swing to a first position so as to drive the first clamping teeth to be meshed with the ratchet wheel, so that the second sleeve is fixed in a forward direction around the main shaft and can rotate in a reverse direction, or can push the positioning piece to swing to a second position so as to drive the second clamping teeth to be meshed with the ratchet wheel, so that the second sleeve is fixed in a reverse direction around the main shaft and can rotate in a forward direction.

Specifically, the ratchet is in a cylindrical structure, and the inner wall is provided with gear teeth meshed with the pawl.

Specifically, the lateral wall of main shaft has seted up the accommodation opening, the pivot set up in the accommodation opening and pawl and setting element are located in the accommodation opening.

Specifically, a convex rib is arranged at the bottom of the accommodating opening along the direction parallel to the central axis of the main shaft, and the convex rib divides the bottom of the accommodating opening into the first position and the second position. The positioning piece can be limited by the convex ribs, so that the positioning piece is positioned at the first position or the second position, and the pawl can be stably meshed with the ratchet wheel to achieve a stable locking state in a certain direction.

Specifically, the positioning piece is provided with an elastic part, and when the positioning piece passes over the convex rib from one of the first position and the second position to the other, the elastic part can be elastically deformed under the extrusion of the convex rib. By arranging the elastic part, the positioning piece can be easily transferred from one of the first position and the second position to the other, and can be effectively positioned at the current position, so that the stability of the structure is improved.

Specifically, the two ends of the pushing part are provided with pushing surfaces, the positioning piece is provided with a propping part, when the seat plate rotates to a first state opposite to the guide rod, one pushing surface of the pushing part can prop against one side surface of the propping part, and when the seat plate rotates to a second state opposite to the guide rod, the other pushing surface of the pushing part can prop against the other side surface of the propping part. Through setting up the pushing surface, can make the bedplate rotate relative the guide bar can promote when the biggest angle or minimum angle the setting element switches over to another position to make the ratchet with the locking direction of pawl can be switched over, and then can realize adjusting repeatedly, improves the convenience of operation.

Specifically, the pawl is fan-shaped structure, first block tooth set up in fan-shaped structure's cambered surface's one end, the second block tooth set up in fan-shaped structure's cambered surface's the other end. Because the pawl is eccentrically arranged on the main shaft, after the first clamping teeth are meshed with the ratchet wheel, the ratchet wheel is clamped when rotating towards one direction and can rotate towards the other direction, so that the purpose of unidirectional rotation is achieved.

Specifically, the pawl extends out of the clamping foot, one end of the elastic piece is arranged on the positioning piece, and the other end of the elastic piece is clamped on the clamping foot. In this way, the elastic force of the elastic piece can act on the clamping pin, so that the pawl is driven to swing.

Preferably, the mounting mechanism comprises an upper clamping plate and a lower clamping plate, and the upper clamping plate and the lower clamping plate can relatively move so as to adjust the clamping distance between the upper clamping plate and the lower clamping plate. The upper clamping plate and the lower clamping plate can be clamped in an adjustable mode, so that the folding foot support is suitable for installing cabinets with different heights, and the application range of assembly is improved.

Specifically, the lower splint set up in the lower extreme of pedestal, the punch holder set up in the upper end of pedestal, be equipped with elongated hole on the punch holder, the pedestal is connected with the screw, the screw slidable wears to locate in the elongated hole. Through the cooperation of rectangular hole with the screw for the punch holder is relative the lower plate position is adjustable, thereby guarantees the suitability.

Specifically, the mounting mechanism further comprises an elastic piece, wherein the elastic piece is arranged between the side face of the upper clamping plate and the side face of the base body, so that the upper clamping plate and the screw are tightly attached in an interference mode. The elastic sheet is arranged, the elastic sheet can provide a pressing force for the upper clamping plate and the screw, so that the upper clamping plate can be adjusted in a lifting manner, and meanwhile, the elastic sheet has good stability in fixing.

Preferably, the folding foot rest further comprises a supporting roller, and the supporting roller is arranged at the bottom of the seat body in a telescopic and adjustable mode through a screw rod. Through setting up the backing roller for the height-adjustable leaves the ground of folding heel brace, thereby be applicable to different mounting heights, improve the serviceability.

Preferably, a protective shell is arranged at the bottom of the seat board, the protective shell is provided with a containing groove, and the seat board can enable the guide rod to be contained in the containing groove after being folded towards the guide rod. Therefore, the guide rod can be shielded, the attractiveness of the product is improved, the guide rod can be protected, sundries are prevented from entering and affecting the cooperation between the guide rod and the seat body, and the sliding stability is ensured.

Preferably, one of a magnet and a magnetic attraction body is arranged at the bottom of the seat plate, and the other of the magnet and the magnetic attraction body is arranged at one side of the seat body close to the seat plate so as to attract each other after the seat plate is close to the seat body. By arranging the magnet, the seat board and the seat body can be automatically locked in a folded state after being folded, so that accidental opening is prevented.

Preferably, the mounting mechanism is a fixing screw, and the fixing screw connects the base body and the cabinet body. Therefore, the folding foot support can be directly and conveniently fixed on the cabinet body, the structure is effectively simplified, and the cost is reduced.

A cabinet, characterized in that: the folding foot stool comprises a cabinet body and folding foot braces, wherein the folding foot braces are arranged on the outer side of the cabinet body.

Drawings

Fig. 1 is a side view of a cabinet of the present invention.

Fig. 2 is a front perspective view of the folding foot support of the present invention.

Fig. 3 is a rear perspective view of the folding foot support of the present invention.

Fig. 4 is an exploded view of the folding foot support of the present invention.

Fig. 5 is an internal structural view of the folding foot support of the present invention.

Fig. 6 is a cross-sectional view of the folding foot support of the present invention when unfolded and locked.

Fig. 7 is a perspective view of the folding mechanism of the present invention.

Fig. 8 is an exploded view of the folding mechanism of the present invention.

Fig. 9 is an enlarged view of fig. 8.

Fig. 10 is a block diagram of the main shaft of the folding mechanism of the present invention.

Fig. 11 is a structural view of a pawl of the folding mechanism of the present invention.

Fig. 12 is a block diagram of a positioning member of the folding mechanism of the present invention.

Fig. 13 is a structural view of an elastic member of the folding mechanism of the present invention.

Fig. 14 is a structural view of a seat plate of the folding mechanism of the present invention.

Fig. 15 is a locked state of the seat plate of the folding mechanism of the present invention when folded against the guide bar.

Fig. 16 is a state diagram of the folding mechanism of fig. 15 unlocked by continuing to rotate.

Fig. 17 is a radial cross-sectional view of the components of the folding mechanism of fig. 16 when unlocked.

Fig. 18 is a radial cross-sectional view of the ratchet and pawl engagement of the folding mechanism of fig. 17.

Fig. 19 is a state diagram of the seat plate of the folding mechanism of the present invention from folded to fully unfolded and locked with respect to the guide bar.

Fig. 20 is a state diagram of the folding mechanism of fig. 19 unlocked by continuing to rotate.

Fig. 21 is a radial cross-sectional view of the components of the folding mechanism of fig. 20 when unlocked.

Fig. 22 is a radial cross-sectional view of the ratchet and pawl engagement of the folding mechanism of fig. 21.

Fig. 23 is a half-folded view of the folding foot support of the present invention.

Fig. 24 is a folded perspective view of the folding foot support of the present invention.

Fig. 25 is a perspective view of the folding foot rest of the present invention secured to the cabinet by the set screw.

Detailed Description

In order to describe the technical content, the constructional features and the effects achieved by the present invention in detail, the following description is made with reference to the embodiments in conjunction with the accompanying drawings.

As shown in the drawings, the present invention

As shown in fig. 1 to 6, the cabinet 300 of the present invention includes a cabinet body 301 and a folding foot rest 200, and the folding foot rest 200 is installed at the outer side of the cabinet body 301. The folding foot stand 200 includes a base 210, a seat board 220, a guide rod 230, a support rod 240, a mounting mechanism 250, and a folding mechanism 100, wherein one end of the support rod 240 is pivotally connected to one side of the base 210, the pivot axis is a, the other end is pivotally connected to the middle of the seat board 220, and the pivot axis is B. The number of the guide rods 230 is two, and the guide rods 230 are respectively disposed on two sides of the seat plate 220, and the guide rods 230 are slidably disposed in the seat 210, specifically, are sleeved in a guide sleeve (not shown) of the seat 210. The folding mechanism 100 is connected between one end of the seat plate 220, which is close to the seat body 210, and one end of the guide rod 230; the folding mechanism 100 may provide a pivot connection between the seat plate 220 and the guide bar 230. The folding mechanism 100 has a first sleeve 1 and a second sleeve 2, the first sleeve 1 and the second sleeve 2 are coaxially pivoted, the first sleeve 1 is connected with the guide rod 230, and the second sleeve 2 is connected with the seat plate 220, so that the folding mechanism 100 can adjust the relative position between the seat plate 220 and the guide rod 230, and further the seat plate 220 can be folded towards the direction of the guide rod 230 or unfolded away from the guide rod 230. The mounting mechanism 250 is disposed on a side of the base 210 facing away from the seat plate 220, so as to mount the entire folded heel brace 200 on the outer side of the cabinet 301.

Referring to fig. 3 to 5, the mounting mechanism 250 includes an upper clamping plate 251 and a lower clamping plate 252, and the upper clamping plate 251 and the lower clamping plate 252 can move relatively to adjust the clamping distance therebetween. The upper clamping plate 251 and the lower clamping plate 252 can be clamped in an adjustable way, so that the folding foot support 200 is suitable for the cabinets 300 installed at different heights, and the application range of assembly is improved. More specifically, the lower clamping plate 252 is disposed at the lower end of the base 210 to clamp to the bottom surface of the cabinet 301. The upper clamping plate 251 is disposed at the upper end of the base 210 and is held on the surface of the cabinet 301 at an included angle. The base 210 is provided with a guide rod 211, the lower end of the upper clamping plate 251 is slidably sleeved on the guide rod 211, the upper clamping plate 251 is provided with a long hole 251a, the base 210 is connected with a screw 210a, and the screw 210a is slidably arranged in the long hole 251a in a penetrating manner. When the upper plate 251 is adjusted to have a distance from the lower plate 252, the screw 210a may be tightened to fix the upper plate 251 with respect to the base 210. By the cooperation of the elongated hole 251a and the screw 210a, the position of the upper clamping plate 251 relative to the lower clamping plate 252 is adjustable, so as to ensure applicability.

As shown in fig. 5, the mounting mechanism 250 further includes a spring 253, where the spring 253 is disposed between the inner side surface of the upper plate 251 and the side surface of the base 210, so that the upper plate 251 and the screw 210a are tightly attached with interference. The elastic piece 253 is provided, and the elastic piece 253 can provide a pressing force for the upper clamping plate 251 and the screw 210a, so that the upper clamping plate 251 can be adjusted in a lifting manner, and meanwhile, the upper clamping plate 251 has good stability in fixing.

The folding foot stand 200 as shown in fig. 3 to 5 further includes a support roller 260, and the support roller 260 is telescopically and adjustably disposed at the bottom of the base 210 by a screw. By arranging the supporting roller 260, the ground clearance of the folding foot support 200 can be adjusted, so that the folding foot support is suitable for different installation heights and the applicability is improved.

Referring to fig. 4 and 5, a protective housing 221 is disposed at the bottom of the seat plate 220, the protective housing 221 is provided with a receiving groove 221a, and the seat plate 220 can be folded toward the guide rod 230 to enable the guide rod 230 to be received in the receiving groove 221a. Thus, the guide rod 230 can be shielded, the aesthetic property of the product is improved, the guide rod 230 can be protected, sundries are prevented from entering and affecting the cooperation between the guide rod 230 and the seat body 210, and the sliding stability is ensured. In addition, the base 210 is provided with a slot 212, and the support rod 240 can be accommodated in the slot 212 after being folded, so that the whole folded foot support 200 has a compact structure after being folded.

As shown in fig. 2, 3 and 4, one of a magnet and a magnet is disposed at the bottom of the seat plate 220, and the other of the magnet and the magnet is disposed at one side of the seat plate 220 near the seat plate 210, so that the seat plate 220 is attracted to the seat plate 210. The magnetic attraction body may be a magnet or a metal body such as iron that can be attracted by the magnet. In the present invention, the seat plate 220 is provided with a magnet 222, the seat body 210 is also provided with a magnet 213, and the two magnets are attracted by opposite directions. By arranging the magnets, the seat plate 220 and the seat body 210 can be automatically locked in a folded state after being folded, so that accidental opening is prevented.

As shown in fig. 7 to 11, the folding mechanism 100 includes a first sleeve 1, a second sleeve 2, a main shaft 3, a ratchet 4, a pawl 5, a positioning member 6, and an elastic member 7, wherein the first sleeve 1 is coaxially pivoted with the second sleeve 2, the pivot axis is C, and the first sleeve 1 is fixedly connected with the guide rod 230 and is perpendicular to the central axis of the guide rod 230. The second sleeve 2 is integrally connected to the protective case 221. The main shaft 3 is coaxially fixed on the first sleeve 1, the ratchet wheel 4 is fixedly sleeved in the second sleeve 2 and sleeved outside the main shaft 3, the pawl 5 and the positioning piece 6 are coaxially pivoted on the main shaft 3 through a rotating shaft 8, and the rotating shaft 8 is eccentrically arranged relative to the center of the main shaft 3; the elastic member 7 is disposed between the positioning member 6 and the pawl 5 and provides an elastic force for engaging the pawl 5 with the ratchet wheel 4. The second sleeve 2 has a pushing portion 21, the pawl 5 has a first engaging tooth 51 and a second engaging tooth 52, and any one of the first engaging tooth 51 and the second engaging tooth 52 is engageable with the ratchet 4; the pushing part 21 may push the positioning member 6 to swing to a first position to drive the first engaging teeth 51 to engage with the ratchet wheel 4 by the elastic force of the elastic member 7, so that the second sleeve 2 is fixed around the main shaft 3 in a forward direction and rotatable in a reverse direction, or the pushing part 21 may push the positioning member 6 to swing to a second position to drive the second engaging teeth 52 to engage with the ratchet wheel 4, so that the second sleeve 2 is fixed around the main shaft 3 in a reverse direction and rotatable in a forward direction.

Referring to fig. 8 and 9, specifically, the ratchet wheel 4 has a cylindrical structure, and teeth engaged with the pawl 5 are circumferentially provided on an inner wall thereof. Through setting up first sleeve 1 and second sleeve 2a, can make main shaft 3, ratchet 4, pawl 5, setting element 6 and elastic component 7 are located in both inside, both make things convenient for the cooperation of bedplate 220 with guide bar 230 is favorable to hiding these parts again for the structure of product is succinct more.

As shown in fig. 10 and 17, the outer side wall of the spindle 3 is provided with a receiving opening 31, the rotating shaft 8 is disposed in the receiving opening 31, and the pawl 5 and the positioning member 6 are disposed in the receiving opening 31. The bottom of the accommodating opening 31 is provided with a rib 32 along the central axis direction of the spindle 3, and the rib 32 divides the bottom of the accommodating opening 31 into the first position 33 and the second position 34. With the ribs 32, the positioning member 6 may be limited, so that the positioning member 6 is positioned at the first position 33 or the second position 34, and the pawl 5 may be stably engaged with the ratchet wheel 4, so as to achieve a stable locking state in a certain direction. The lower end of the positioning member 6 has an elastic portion 61, specifically, the lower end of the positioning member 6 is provided with a through hole 62, so that the lower end edge of the positioning member 6 is deformable relative to other places of the positioning member 6, thereby forming the elastic portion 61. When the positioning member 6 is pushed by the pushing portion 21 and can pass from one of the first position 33 and the second position 34 to the other, the elastic portion 61 can be elastically deformed under the extrusion of the rib 32, and when the positioning member 6 is moved to the other, the elastic portion 61 is restored to be located at the position and is blocked by the rib 32 from passing over the rib 32 in a normal state. By providing the elastic portion 61, the positioning member 6 can be easily transferred from one of the first position 33 and the second position 34 to the other, and can be effectively positioned at the current position, thereby improving the stability of the structure.

Referring to fig. 12, 14, 17 and 21, the pushing portion 21 is disposed in the second sleeve 2. The pushing portion 21 is arc-shaped and protrudes from the second sleeve 2. The central angle of the pushing part 21 can be determined according to the swingable angle of the seat plate 220, so that the pushing part 21 can be used for pushing the positioning piece 6 to change direction and position when the seat plate 220 swings to the minimum or maximum angle. The pushing parts 21 have pushing surfaces 21a at two ends, the upper ends of the positioning members 6 are provided with abutting parts 63 in a protruding manner, when the seat plate 220 rotates to a first state opposite to the guide rods 230, one pushing surface 21a of the pushing parts 21 can abut against one side surface 63a of the abutting parts 63, when the seat plate 220 rotates to a second state opposite to the guide rods 230, the other pushing surface 21a of the pushing parts 21 can abut against the other side surface 63a of the abutting parts 63, so that the positioning members 6 can be pushed to swing when the seat plate 220 is rotated, and the positioning members 6 can be transferred from one of the first position 33 and the second position 34 to the other. By providing the pushing surface 21a, the seat plate can be pushed to switch to another position when rotating to the maximum angle or the minimum angle relative to the guide rod 230, so that the locking direction of the ratchet wheel 4 and the pawl 5 can be switched, further repeated adjustment can be realized, and the convenience of operation is improved.

As shown in fig. 8, 9, 11 and 13, the pawl 5 has a fan-shaped structure, the first engaging tooth 51 is disposed at one end of the arc surface of the fan-shaped structure, and the second engaging tooth 52 is disposed at the other end of the arc surface of the fan-shaped structure away from the first engaging tooth 51. Since the pawl 5 is eccentrically disposed on the spindle 3, after the first engaging tooth 51 is engaged with the ratchet wheel 4, the ratchet wheel 4 is locked when rotating in one direction and is rotatable in the other direction, thereby achieving the purpose of unidirectional rotation. The pawl 5 extends out of the clamping leg 53, one end of the elastic member 7 is disposed on the positioning member 6, and the other end is clamped on the clamping leg 53. This allows the elastic force of the elastic member 7 to act on the catch 53, thereby driving the pawl 5 to swing. Specifically, one end of the elastic member 7 is provided with a fixing ring 71, the front end of the positioning member 6 is provided with a positioning ring 64, the fixing ring 71 is sleeved and positioned on the positioning ring 64, the other end of the elastic member 7 extends out to form two elastic legs 72, and the two elastic legs 72 are respectively positioned on two sides of the clamping leg 53 and elastically clamp the clamping leg 53. When the pawl 5 swings, the elastic leg 72 may provide an elastic force in a reverse direction to return the pawl 5.

The spindle 3 is pivotally connected to the pawl 5 and the positioning member 6 by the shaft 8, the shaft 8 is eccentrically disposed with respect to the spindle 3, and the pawl 5 is provided with the first engaging teeth 51 and the second engaging teeth 52 capable of engaging with the ratchet wheel 4, so that when the seat plate 220 swings with respect to the guide rod 230, one of the first engaging teeth 51 and the second engaging teeth 52 of the pawl 5 engages with the ratchet wheel 4. By utilizing the principle of unidirectional adjustability by the cooperation of the ratchet wheel 4 and the pawl 5, the seat plate 220 can only rotate around the spindle 3 in one direction and lock in the opposite direction. In addition, the pushing portion 21 of the seat plate 220 pushes the positioning member 6 to swing, so that the locking direction of the pawl 5 and the ratchet wheel 4 can be switched, and thus the seat plate 220 can be opened at a certain angle along one direction relative to the guide rod 230, and can be positioned at the angle, so as to realize the angle adjustment between the two rod members. The whole structure does not need to use the conventional connecting rod for linkage and positioning, does not influence the appearance of the product, and has simple structure; and, only need rotate the said seat board 220 can be adjusted and locked, but also can switch the direction automatically when adjusting to the maximum angle or minimum angle, realize the repeated adjustment, it is very convenient to operate.

In view of the foregoing, the following describes the operation of the folding mechanism 100 of the present invention in detail, as follows:

as shown in fig. 15 to 18, when the seat plate 220 is in the folded state, i.e., the first state, relative to the guide rod 230, the seat plate 220 can be rotated clockwise, and at this time, one pushing surface 21a of the pushing portion 21 of the seat plate 220 pushes one side 63a of the abutment portion 63, so that the positioning member 6 swings. At this time, the elastic portion 61 at the lower end of the positioning member 6 passes over the rib 32 from the first position 33 to reach the second position 34. Simultaneously, the pawl 5 swings along with the positioning member 6 under the driving of the elastic member 7, so that the first engaging tooth 51 of the pawl 5 leaves the ratchet wheel 4, and the second engaging tooth 52 is engaged with the ratchet wheel 4. The seat plate 220 is now locked in a clockwise direction and unlocked in a counter-clockwise direction. Therefore, the seat plate 220 can rotate an angle in a counterclockwise direction, so as to achieve the purpose of adjusting the position; at any angle, the seat plate 220 is locked in a clockwise direction and rotatable in a counterclockwise direction.

As shown in fig. 19 to 22, when the seat plate 220 is in the fully-unfolded state, i.e., the second state, relative to the guide rod 230, and the seat plate 220 needs to be folded, only the seat plate 220 needs to be continuously rotated in the counterclockwise direction, at this time, the other pushing surface 21a of the pushing portion 21 of the seat plate 220 pushes the other side surface 63a of the abutment portion 63, so that the positioning member 6 swings. At this time, the elastic portion 61 at the lower end of the positioning member 6 passes over the rib 32 from the second position 34 to reach the first position 33. Simultaneously, the pawl 5 swings along with the positioning piece 6 under the driving of the elastic piece 7, so that the second clamping tooth 52 of the pawl 5 leaves the ratchet wheel 4, and the first clamping tooth 51 is meshed with the ratchet wheel 4. The seat plate 220 is now locked in a counter-clockwise direction and unlocked in a clockwise direction. At this time, the seat plate 220 may be rotated in a clockwise direction to return to the first state; the above process is repeated, so that the seat plate 220 can be repeatedly adjusted in its relative angle to the guide bar 230.

Referring to fig. 6 and 23 to 25, the operation of the folding foot stand 200 of the present invention will be described in detail below, as follows:

when the folding foot stand 200 is in the unfolded state, the seat plate 220 is at 90 degrees with respect to the guide rod 230 and is in the horizontal state. At this time, the user can sit on the seat plate 220 to work. When the folding foot support 200 needs to be folded, the seat plate 220 is rotated upwards, so that the folding mechanism 100 releases the lock on the seat plate 220 and the guide rod 230, the seat plate 220 can rotate around the pivot axis C, and simultaneously, the seat plate 220 drives the guide rod 230 to slide upwards along the guide sleeve to extend. At the same time, the supporting rod 240 rotates around the pivot axis a, so that the seat plate 220 and the supporting rod 240 are folded toward the direction of the guiding rod 230. Finally, after the seat plate 220 and the supporting rod 240 are completely folded, the supporting rod 240 is disposed in the groove 212 of the base 210, and the accommodating groove 221a of the protecting shell 221 is sleeved on the guiding rod 230. The seat plate 220 and the support rod 240 may be completely attached to the outer side wall of the cabinet 301. When the folding foot support 200 needs to be unfolded, the seat plate 220 is required to be rotated continuously, so that the folding mechanism 100 releases the lock of the seat plate 220 and the guide rod 230, the seat plate 220 can rotate reversely around the pivot axis C, and simultaneously, the guide rod 230 slides into the seat body 210, so that the seat plate 220 is unfolded to be in a horizontal state, and the folding foot support can be unfolded and locked.

Compared with the prior art, the invention has the advantages that the two ends of the supporting rod 240 are respectively pivoted on the seat plate 220 and the seat body 210 by arranging the supporting rod 240, and the guiding rod 230 is arranged on the seat body 210 in a sliding way. And a folding mechanism 100 is provided, such that two ends of the folding mechanism 100 are respectively connected with one end of the seat plate 220, which is close to the seat body 210, and one end of the guide rod 230, and the folding mechanism 100 is used to adjust the relative position between the seat plate 220 and the guide rod 230, so that a variable triangle structure is formed among the seat plate 220, the guide rod 230 and the support rod 240. When the seat plate 220 is unfolded away from the guide bar 230, the seat plate 220 can be used for a user to sit on, thereby providing convenience for work or life. When the seat plate 220 is closed towards the direction of the guide rod 230, the whole folding foot support 200 can be folded, the occupied volume is reduced, and the use is very convenient. In addition, by arranging the mounting mechanism 250 on the side wall of the base 210, the folding foot support 200 can be conveniently mounted on the outer side of the cabinet 300 by using the mounting mechanism 250, so that the folding foot support is very convenient to assemble, can be suitable for different cabinets 300, and has strong applicability.

In addition, as shown in fig. 25, the mounting mechanism of the present embodiment may be a fixing screw, and the fixing screw may connect the base 210 and the cabinet 301, so that the base 210 is directly fixed on the outer side wall of the cabinet 301, which has the same effect as the above embodiment, and may further directly and conveniently fix the folding foot support on the cabinet 1, thereby effectively simplifying the structure and reducing the cost.

The foregoing disclosure is merely illustrative of the principles of the present invention, and thus, it is intended that the scope of the invention be limited thereto and not by this disclosure, but by the claims appended hereto.

Claims

1. A folding foot support, characterized in that: the folding device comprises a seat body, a seat plate, a guide rod, a support rod, a mounting mechanism and a folding mechanism, wherein one end of the support rod is pivoted to one side of the seat body, and the other end of the support rod is pivoted to the middle part of the seat plate; the guide rod is slidably arranged on the seat body; the folding mechanism is connected between one end of the seat plate, which is close to the seat body, and one end of the guide rod; the folding mechanism can adjust the relative position between the seat board and the guide rod, so that the seat board can be folded towards the direction of the guide rod or unfolded away from the guide rod; the mounting mechanism is arranged on one side of the seat body, which is away from the seat plate, so that the whole folding foot support is mounted on the outer side of the cabinet body; the mounting mechanism comprises an upper clamping plate and a lower clamping plate, and the upper clamping plate and the lower clamping plate can move relatively to adjust the clamping distance between the upper clamping plate and the lower clamping plate.

2. The folding foot support of claim 1, wherein: the folding mechanism comprises a first sleeve, a second sleeve, a main shaft, a ratchet wheel, a pawl, a positioning piece and an elastic piece, wherein the first sleeve is pivoted with the second sleeve, the first sleeve is fixedly connected with the guide rod, and the second sleeve is fixedly connected with the seat plate; the main shaft is fixed on the first sleeve, the ratchet wheel is fixedly sleeved on the second sleeve, the pawl and the positioning piece are coaxially pivoted on the main shaft through a rotating shaft, and the rotating shaft is eccentrically arranged relative to the center of the main shaft; the elastic piece provides an elastic force for enabling the pawl to be meshed with the ratchet wheel; the second sleeve is provided with a pushing part, the pawl is provided with a first clamping tooth and a second clamping tooth, and any one of the first clamping tooth and the second clamping tooth can be meshed with the ratchet wheel; the pushing part can push the positioning piece to swing to a first position so as to drive the first clamping teeth to be meshed with the ratchet wheel, so that the second sleeve is fixed in a forward direction around the main shaft and can rotate in a reverse direction, or can push the positioning piece to swing to a second position so as to drive the second clamping teeth to be meshed with the ratchet wheel, so that the second sleeve is fixed in a reverse direction around the main shaft and can rotate in a forward direction.

3. The folding foot support of claim 2, wherein: the ratchet is of a cylindrical structure, and gear teeth meshed with the pawl are arranged on the inner wall of the ratchet.

4. The folding foot support of claim 2, wherein: the outer side wall of the main shaft is provided with an accommodating opening, the rotating shaft is arranged in the accommodating opening, and the pawl and the positioning piece are positioned in the accommodating opening.

5. The folding foot support of claim 4, wherein: the bottom of the accommodating opening is provided with a convex rib along the direction parallel to the central axis of the main shaft, and the convex rib divides the bottom of the accommodating opening into the first position and the second position.

6. The folding foot support of claim 5, wherein: the positioning piece is provided with an elastic part, and when the positioning piece passes through one of the first position and the second position to reach the other one from the convex rib, the elastic part can be elastically deformed under the extrusion of the convex rib.

7. The folding foot support of claim 2, wherein: the two ends of the pushing part are provided with pushing surfaces, the positioning piece is provided with a propping part, when the seat plate rotates to a first state opposite to the guide rod, one pushing surface of the pushing part can prop against one side surface of the propping part, and when the seat plate rotates to a second state opposite to the guide rod, the other pushing surface of the pushing part can prop against the other side surface of the propping part.

8. The folding foot support of claim 2, wherein: the pawl is fan-shaped structure, first block tooth set up in fan-shaped structure's cambered surface's one end, the second block tooth set up in fan-shaped structure's cambered surface's the other end.

9. The folding foot support of claim 2, wherein: the pawl extends out of the clamping foot, one end of the elastic piece is arranged on the positioning piece, and the other end of the elastic piece is clamped on the clamping foot.

10. The folding foot support of claim 1, wherein: the lower clamp plate set up in the lower extreme of pedestal, the punch holder set up in the upper end of pedestal, be equipped with elongated hole on the punch holder, the pedestal is connected with the screw, the screw slidable wears to locate in the elongated hole.

11. The folding foot support of claim 10, wherein: the mounting mechanism further comprises an elastic piece, wherein the elastic piece is arranged between the side face of the upper clamping plate and the side face of the base body, so that the upper clamping plate is tightly attached to the screw in an interference mode.

12. The folding foot support of claim 1, wherein: the folding foot rest further comprises a supporting roller, and the supporting roller is arranged at the bottom of the seat body in a telescopic and adjustable mode through a screw rod.

13. The folding foot support of claim 1, wherein: the bottom of bedplate is equipped with the protective housing, the protective housing is equipped with the storage tank, the bedplate to the guide bar is drawn close after folding up can make the guide bar holding in the storage tank.

14. The folding foot support of claim 1, wherein: one of a magnet and a magnetic attraction body is arranged at the bottom of the seat plate, and the other of the magnet and the magnetic attraction body is arranged at one side of the seat body close to the seat plate so as to attract each other after the seat plate is close to the seat body.

15. The folding foot support of claim 1, wherein: the mounting mechanism is a fixing screw which connects the base body with the cabinet body.

16. A cabinet, characterized in that: comprising a cabinet body and the folding foot support according to claims 1 to 15, said folding foot support being mounted on the outside of said cabinet body.