CN215737474U

CN215737474U - Folding device of folding table

Info

Publication number: CN215737474U
Application number: CN202121447814.1U
Authority: CN
Inventors: 徐建平; 朱英杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-29
Filing date: 2021-06-29
Publication date: 2022-02-08
Anticipated expiration: 2031-06-29

Abstract

The utility model belongs to the technical field of folding tables, and particularly relates to a folding device of a folding table, which comprises two table plates and table legs arranged on the table plates and used for supporting the table plates, wherein hinged seats are respectively arranged on the two table plates, the hinged seats on the two table plates are rotationally connected, a transmission connecting rod is arranged on the table plates in a sliding manner, an eccentric rod is arranged on the hinged seat, the eccentric rod on one table plate is matched with the transmission connecting rod on the other table plate, the table legs are rotationally arranged on the table plates, and a cam part matched with the eccentric rod is arranged on the transmission connecting rod; the utility model aims to provide a folding device of a folding table, which is convenient and quick to fold and unfold.

Description

Folding device of folding table

Technical Field

The utility model belongs to the technical field of folding tables, and particularly relates to a folding device of a folding table.

Background

The folding table is a table with a folding function, most of the traditional common folding tables comprise a table top and folding table legs, most of the table top is directly composed of two rotatably connected table plates, when the table is folded, the table legs are firstly folded relative to the table plates, and then the two table plates are controlled to be folded relative to each other; in the unfolding process of the table, the table plate is firstly unfolded relatively, and then the table legs and the table plate are controlled to be unfolded relatively, so that the table is inconvenient to fold and unfold quickly, and the stability is not high.

Disclosure of Invention

In order to overcome the drawbacks of the prior art, the present invention is directed to a folding device of a folding table that is conveniently and rapidly folded and unfolded.

The purpose of the utility model is realized as follows:

a folding device of a folding table comprises two table plates and table legs arranged on the table plates and used for supporting the table plates, wherein hinge seats are respectively arranged on the two table plates, the hinge seats on the two table plates are rotationally connected, a transmission connecting rod is slidably arranged on the table plates, an eccentric rod is arranged on each hinge seat, the eccentric rod on one table plate is matched with the transmission connecting rod on the other table plate, the table legs are rotationally arranged on the table plates, and a cam part matched with the eccentric rods is arranged on the transmission connecting rod;

the transmission connecting rod is provided with a rack part, the table legs are provided with gear parts matched with the rack part, when the two table plates rotate relatively, the eccentric rods drive the transmission connecting rod to slide through the cam parts, and the rack parts on the transmission connecting rod drive the table legs to rotate and enable the table legs to be unfolded or folded relatively to the table plates.

After adopting above-mentioned structure, make the folding of table and the folding linkage of table foot through the transmission connecting rod, the user can be automatic folding at the in-process table foot of folding table, makes things convenient for folding table's quick folding and expansion, and expandes the back, and the table supports more stably with the table foot.

The utility model is further configured to: a clamping groove matched with the eccentric rod is arranged in the cam part, and the eccentric rod is matched with the clamping groove to limit the relative rotation of the cam part and the eccentric rod.

After adopting above-mentioned structure, be favorable to the relative fixed of table and transmission connecting rod, can make table and table foot keep the state of expanding or fold the state, avoid table and table foot unexpected expansion or fold.

The utility model is further configured to: the table plate is provided with a sliding groove, and the transmission connecting rod is arranged in the sliding groove in a sliding mode.

The utility model is further configured to: at least two groups of guide grooves are formed in the transmission connecting rod, and guide rods matched with the guide grooves are arranged on the table plate.

After adopting above-mentioned structure, lead to the transmission connecting rod through spout and guide bar, be favorable to the steady motion of transmission connecting rod, the person of facilitating the use uses.

The utility model is further configured to: the hinged seat on one table plate is fixedly provided with a ratchet wheel, the hinged seat on the other table plate is rotatably provided with a locking piece matched with the ratchet wheel, the locking piece is provided with a first ratchet and a second ratchet, and when the first ratchet and the second ratchet are respectively matched with the ratchet wheel, the two table plates can only be relatively folded or relatively unfolded.

The utility model is further configured to: the locking piece is provided with a first clamping groove and a second clamping groove, the hinged seat is provided with a clamping piece and an elastic piece for driving the clamping piece to be matched with the first clamping groove or the second clamping groove, and the elastic piece drives the clamping piece to be matched with the first clamping groove or the second clamping groove and drives the first ratchet or the second ratchet to be matched with the ratchet wheel.

After adopting above-mentioned structure, through the folding and the expansion of ratchet and two tables of locking piece control, avoid two tables unexpected expandes or folding, the setting of joint spare and elastic component then is favorable to controlling first ratchet or second ratchet and ratchet cooperation, avoids first ratchet or second ratchet and the unexpected separation of ratchet in the use.

The utility model is further configured to: be provided with first supporting connecting rod and second supporting connecting rod between table foot and the table, first supporting connecting rod rotates with second supporting connecting rod to be connected, and is provided with spacing wall on the first supporting rod, and during the use, the table foot expandes, and the second supporting rod supports on the spacing wall.

The utility model is further configured to: the folding table is characterized in that a storage groove is formed in the bottom of the table plate, and when the folding table is folded, the table legs are stored into the storage groove.

After the structure is adopted, the table legs are supported through the first support connecting rod and the second support connecting rod, so that the mounting strength of the table legs is improved, and the stable mounting of the table legs is facilitated; the arrangement of the storage groove is beneficial to the folding and storage of the table legs, and the folding and storage of the folding table are convenient.

The utility model is further configured to: the transmission connecting rod is provided with a connecting groove, the rack portion is arranged on the side wall of the connecting groove, and the gear portion penetrates through the connecting groove and is connected with the rack portion.

After adopting above-mentioned structure, be favorable to the stable connection cooperation of gear portion and rack portion, avoid gear portion and rack portion to break away from by accident.

The utility model is further configured to: the hinge seat is provided with two hinge bulges, the eccentric rod is respectively connected with the two hinge bulges, the cam part is arranged between the two hinge bulges in a penetrating way, and a wear-resistant gasket is arranged between the cam part and the hinge bulges.

After adopting above-mentioned structure, this structure is convenient for articulated shaft and the stable connection of transmission connecting rod, and is favorable to avoiding articulated protruding wearing and tearing through wear pad in this structure.

Drawings

Figure 1 illustrates a structural view of the present invention with the table top removed;

FIG. 2 is a schematic diagram of the folding process of the present invention;

FIG. 3 is a partial cross-sectional view of the folding process of the present invention;

FIG. 4 is a schematic view of the coupling structure of the driving link according to the present invention;

FIG. 5 is a schematic view of a connection structure of a first support link and a second support link according to the present invention;

fig. 6 is a partial schematic view of a connection structure of a hinge base and a hinge rod according to the present invention.

The reference numbers in the figures mean: 1-a table board; 11-a hinged seat; 12-an eccentric rod; 13-a wear resistant pad; 14-a receiving groove; 15-ratchet wheel; 16-a hinge projection; 17-a chute; 18-a guide bar; 2-a hinged lever; 3-table legs; 31-mounting shaft; a 32-gear portion; 33-mounting holes; 34-a latch; 4-a transmission link; 41-cam portion; 42-rack portion; 43-connecting groove; 44-a guide groove; 45-card slot; 5-a lock; 51-a first ratchet; 52-second ratchet; 53-a first card slot; 54-a second card slot; 6-a clamping piece; 61-an elastic member; 71-a first support link; 72-a second support link; 73-a limiting wall.

Detailed Description

The utility model is further described in the following with specific embodiments in conjunction with the accompanying drawings:

referring to fig. 1 to 6, a folding device of a folding table includes two table boards 1 and table legs 3 disposed on the table boards 1 for supporting the table boards 1, the two table boards 1 are respectively provided with hinge seats 11, the hinge seats 11 on the two table boards 1 are rotatably connected through hinge rods 2, the table boards 1 are slidably provided with transmission connecting rods 4, the hinge seats 11 are provided with eccentric rods 12, the eccentric rod 12 on one table board 1 is matched with the transmission connecting rod 4 on the other table board 1, the table legs 3 are rotatably disposed on the table boards 1, the transmission connecting rod 4 is provided with cam portions 41 matched with the eccentric rods 12, when the two table boards 1 rotate relatively, the eccentric rods 12 drive the transmission connecting rods 4 to slide through the cam portions 41, and in this embodiment, the cam portions 41 are grooves disposed on the transmission connecting rods 4, and the eccentric rods 12 penetrate through the grooves;

be provided with rack portion 42 on the transmission connecting rod 4, be provided with on the table foot 3 with rack portion 42 complex gear portion 32, during two table 1 relative rotations, eccentric rod 12 passes through the drive of cam portion 41 transmission connecting rod 4 slides, rack portion 42 drive table foot 3 on the transmission connecting rod 4 rotates and makes table foot 3 expand or fold relatively table 1, make folding and table foot 3's folding linkage of table 1 through transmission connecting rod 4 in this structure, the user can be automatic folding at the in-process table foot 3 of folding table 1, make things convenient for folding table's quick folding and expansion, and expand the back, table 1 supports more stably with table foot 3, be provided with two table feet 3 on every table 1 in this embodiment, and table foot 3 on the same table 1 is connected with eccentric rod 12 on another table 1 through transmission connecting rod 4 respectively.

Preferably, the transmission link 4 is provided with a connecting groove 43, the rack portion 42 is arranged on the side wall of the connecting groove 43, the gear portion 32 penetrates through the connecting groove 43 and is connected with the rack portion 42, and the connecting groove 43 is arranged to facilitate the stable connection and matching of the gear portion 32 and the rack portion 42, so that the gear portion 32 and the rack portion 42 are prevented from being disengaged accidentally.

According to the utility model, the hinge seat 11 is provided with the two hinge protrusions 16, the eccentric rod 12 is respectively connected with the two hinge protrusions 16, the cam part 41 is arranged between the two hinge protrusions 16 in a penetrating manner, the wear-resistant gasket 13 is arranged between the cam part 41 and the hinge protrusions 16, the stable connection of the hinge shaft and the transmission connecting rod 4 is facilitated by the structure, the wear-resistant gasket 13 is favorable for avoiding the abrasion of the hinge protrusions 16, the eccentric rod 12 and the hinge rod 2 penetrate through the hinge protrusions 16 and the wear-resistant gasket 13, and the wear-resistant gasket 13 and the hinge seat 11 are relatively fixed.

Preferably, a clamping groove 45 matched with the eccentric rod 12 is arranged in the cam part 41, the eccentric rod 12 is matched with the clamping groove 45 to limit the relative rotation of the cam part 41 and the eccentric rod 12, the structure is favorable for relatively fixing the table board 1 and the transmission connecting rod 4, the table board 1 and the table legs 3 can be kept in an unfolded state or a folded state, and the table board 1 and the table legs 3 are prevented from being unfolded or folded accidentally, wherein the clamping groove 45 is a groove arranged on the side surface of the cam part 41 in the embodiment.

Be provided with spout 17 on the table 1, transmission connecting rod 4 slides and sets up in spout 17, and spout 17's setting is convenient for transmission connecting rod 4's stable slip, simple structure, and the person of facilitating the use uses, and is preferred be provided with at least two sets of guide way 44 on the transmission connecting rod 4, be provided with on the table 1 with guide way 44 complex guide bar 18, guide bar 18 leads transmission connecting rod 4, is favorable to transmission connecting rod 4's steady motion, and the person of facilitating the use uses.

According to the utility model, the ratchet wheel 15 is fixedly arranged on the hinged seat 11 on one table board 1, the locking piece 5 matched with the ratchet wheel 15 is rotatably arranged on the hinged seat 11 on the other table board 1, the first ratchet 51 and the second ratchet 52 are arranged on the locking piece 5, when the first ratchet 51 and the second ratchet 52 are respectively matched with the ratchet wheel 15, the two table boards 1 can only be relatively folded or relatively unfolded, when in use, a user can limit the two table boards 1 to be relatively unfolded or relatively folded through the locking piece 5, so that the two table boards 1 are prevented from being accidentally unfolded or folded, and the use by the user is facilitated.

Preferably, the locking member 5 is provided with a first locking groove 53 and a second locking groove 54, the hinged seat 11 is provided with a clamping member 6 and an elastic member 61 for driving the clamping member 6 to be matched with the first locking groove 53 or the second locking groove 54, the elastic member 61 drives the clamping member 6 to be matched with the first locking groove 53 or the second locking groove 54 and drives the first ratchet 51 or the second ratchet 52 to be matched with the ratchet wheel 15, the arrangement of the clamping member 6 and the elastic member 61 is favorable for controlling the first ratchet 51 or the second ratchet 52 to be matched with the ratchet wheel 15, the first ratchet 51 or the second ratchet 52 is prevented from being accidentally separated from the ratchet wheel 15 in the using process, the two table boards 1 are prevented from being accidentally unfolded or folded, and the use by a user is facilitated.

Be provided with first supporting link 71 and second supporting link 72 between table foot 3 and the table 1, first supporting link 71 rotates with second supporting link 72 to be connected, and is provided with spacing wall 73 on the first supporting link, and during the use, table foot 3 expandes, and the second supporting link supports on the spacing wall 73, supports table foot 3 through first supporting link 71 and second supporting link 72 in this structure, is convenient for improve the installation intensity of table foot 3, is convenient for the stable installation of table foot 3, and when table leg 3 was folding in this embodiment, first supporting link 71 and second supporting link 72 were automatic folding, and first supporting link 71 and second supporting link 72 do not influence synchronous shrink table foot 3 promptly.

In this embodiment, the table leg 3 is provided with an installation shaft 31, the gear portion 32 is arranged on the installation shaft 31, the table leg 3 is provided with an installation hole 33 for installing the installation shaft 31, the table leg 3 is provided with a bolt 34, the installation shaft 31 is provided with a positioning slot matched with the bolt 34, and the structure of the bolt 34 matched with the slot is a common mechanical structure.

Preferably table 1 bottom is provided with accomodates groove 14, and when folding table was folding, table foot 3 accomodate the entering accomodate in the groove 14, accomodate the setting in groove 14 and then be favorable to folding of table foot 3 to accomodate, the folding storage of folding table of being convenient for, when preferred table foot 3 was folding, first support link 71 and the folding storage of second support link 72 were in accomodate in the groove 14.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered by the protection scope of the utility model.

Claims

1. The utility model provides a folding device of folding table, includes two tables (1) and sets up table foot (3) that are used for supporting table (1) on table (1), is provided with articulated seat (11) on two tables (1) respectively, and articulated seat (11) on two tables (1) rotate to be connected its characterized in that: the table legs are characterized in that the table plates (1) are provided with transmission connecting rods (4) in a sliding manner, the hinge seats (11) are provided with eccentric rods (12), the eccentric rods (12) on one table plate (1) are matched with the transmission connecting rods (4) on the other table plate (1), the table legs (3) are rotatably arranged on the table plates (1), and the transmission connecting rods (4) are provided with cam parts (41) matched with the eccentric rods (12);

the table is characterized in that a rack portion (42) is arranged on the transmission connecting rod (4), a gear portion (32) matched with the rack portion (42) is arranged on the table leg (3), when the two tables (1) rotate relatively, the eccentric rod (12) is driven by the cam portion (41) to slide the transmission connecting rod (4), and the rack portion (42) on the transmission connecting rod (4) drives the table leg (3) to rotate and enables the table leg (3) to be unfolded or folded relatively to the table (1).

2. A folding device for a folding table, according to claim 1, characterized in that: a clamping groove (45) matched with the eccentric rod (12) is formed in the cam part (41), and the eccentric rod (12) is matched with the clamping groove (45) to limit the relative rotation of the cam part (41) and the eccentric rod (12).

3. A folding device for a folding table, according to claim 1 or 2, characterized in that: a sliding groove (17) is formed in the table plate (1), and the transmission connecting rod (4) is arranged in the sliding groove (17) in a sliding mode.

4. A folding device for a folding table, according to claim 3, characterized in that: at least two groups of guide grooves (44) are formed in the transmission connecting rod (4), and guide rods (18) matched with the guide grooves (44) are arranged on the table plate (1).

5. A folding unit for a folding table, according to claim 1, 2 or 4, characterized in that: the table is characterized in that a ratchet wheel (15) is fixedly arranged on a hinged seat (11) on one table plate (1), a locking piece (5) matched with the ratchet wheel (15) is rotatably arranged on the hinged seat (11) on the other table plate (1), a first ratchet (51) and a second ratchet (52) are arranged on the locking piece (5), and when the first ratchet (51) and the second ratchet (52) are respectively matched with the ratchet wheel (15), the two table plates (1) can only be relatively folded or relatively unfolded.

6. A folding device for a folding table, according to claim 5, characterized in that: the locking piece (5) is provided with a first clamping groove (53) and a second clamping groove (54), the hinged seat (11) is provided with a clamping piece (6) and an elastic piece (61) for driving the clamping piece (6) to be clamped with the first clamping groove (53) or the second clamping groove (54) in a matched mode, the elastic piece (61) drives the clamping piece (6) to be matched with the first clamping groove (53) or the second clamping groove (54) and drives the first ratchet (51) or the second ratchet (52) to be matched with the ratchet wheel (15).

7. A folding unit for a folding table, according to claim 1, 2, 4 or 6, characterized in that: be provided with first supporting connecting rod (71) and second supporting connecting rod (72) between table foot (3) and table (1), first supporting connecting rod (71) and second supporting connecting rod (72) rotate and are connected, and are provided with spacing wall (73) on the first supporting rod, and during the use, table foot (3) expand, and the second bracing piece supports on spacing wall (73).

8. A folding device for a folding table as claimed in claim 7, wherein: the folding table is characterized in that a storage groove (14) is formed in the bottom of the table plate (1), and when the folding table is folded, the table legs (3) are stored into the storage groove (14).

9. A folding unit for a folding table according to claim 1, 2, 4, 6 or 8, wherein: the transmission connecting rod (4) is provided with a connecting groove (43), a rack portion (42) is arranged on the side wall of the connecting groove (43), and a gear portion (32) penetrates through the connecting groove (43) and is connected with the rack portion (42).

10. A folding device for a folding table as claimed in claim 9, wherein: the hinge base (11) is provided with two hinge bulges (16), the eccentric rod (12) is respectively connected with the two hinge bulges (16), the cam part (41) is arranged between the two hinge bulges (16) in a penetrating way, and a wear-resistant gasket (13) is arranged between the cam part (41) and the hinge bulges (16).