CN210739052U - Quick assembling furniture and hidden quick connecting mechanism - Google Patents

Abstract

The utility model relates to a fast assembling furniture and a hidden fast connecting mechanism, which comprises a lock pin, a lock head and a positioning mechanism; the locking nail comprises a plug which is inserted into the locking hole on the plate and is positioned with the plate, and a positioning head arranged at the outer end of the plug; the positioning head is provided with a guide port for the lock head to be inserted along the axial direction of the plug and a positioning groove for the lock head inserted into the guide port to move along the transverse direction to be clamped with the positioning head so as to axially position the lock nail and the lock head; the positioning mechanism positions the lock positioning groove for the lock clamped in the positioning groove. The tapered end adopts to insert the closure of establishing behind the lock pin lateral shifting realization, can reduce the equipment step, simplifies assembly process, realizes fast assembly, and the equipment back, hidden quick coupling mechanism is hidden, has promoted the security, also lets the outward appearance more pleasing to the eye, and positioning mechanism can fix a position the tapered end of card income constant head tank, prevents to deviate from the constant head tank, promotes the stability of installation, prevents that the panel of assembling from producing to remove the pine and take off.

Description

Quick assembling furniture and hidden quick connecting mechanism

Technical Field

The utility model relates to a field of furniture, more specifically say, relate to a assemble furniture and hidden quick coupling mechanism fast.

Background

Locking device of assembling furniture among the correlation technique adopts the trinity connecting piece that rises bolt, eccentric member combination usually, with plate furniture's panel lug connection, the process of trinity connecting piece equipment is many, and the equipment is troublesome, in addition, still can have the part to expose, needs the reuse lid to shelter from exposing the part, has increased part quantity, has promoted the cost.

Some assembled furniture plates directly adopt a buckle type connecting mechanism, but relative sliding can be generated after the buckling, and the assembling stability is influenced.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in providing a assemble furniture and hidden quick coupling mechanism fast.

The utility model provides a technical scheme that its technical problem adopted is: a hidden quick connecting mechanism is constructed, which comprises a locking nail, a lock head and a positioning mechanism;

the locking nail comprises a plug which is inserted into a locking hole on the plate and is positioned with the plate, and a positioning head arranged at the outer end of the plug;

the positioning head is provided with a guide port for the lock head to be inserted in the axial direction of the plug and a positioning groove for the lock head inserted in the guide port to move in the transverse direction to be clamped with the positioning head, so that the lock nail and the lock head are positioned in the axial direction;

the positioning mechanism positions the lock positioning groove for the lock clamped in the positioning groove.

Preferably, the plug comprises at least two positioning columns arranged side by side along the same direction, the positioning head comprises at least two nail caps which are arranged along the arrangement direction of the positioning columns and correspond to the positions of the positioning columns one by one, and the positioning columns and the nail caps which correspond to the positions are coaxial.

Preferably, the positioning head is provided with a positioning hole which penetrates through the positioning head in the transverse direction, and the positioning mechanism comprises a positioning pin which penetrates through the positioning hole so as to block the lock head clamped in the positioning groove and prevent the lock head from falling off.

Preferably, the positioning mechanism comprises a positioning piece which is arranged at the bottom of the positioning groove and used for positioning the lock head.

Preferably, the positioning member includes a base plate and a stopper portion integrally connected with the base plate and protruding upward.

Preferably, the stopping part is in an inverted V shape, and the surface of the stopping part is in smooth transition with the surface of the substrate.

Preferably, the stopping portion comprises a first guiding portion and a second guiding portion which form an included angle, the first guiding portion extends and inclines towards the inside of the positioning groove, and the second guiding portion extends and inclines towards the outside of the positioning groove to form an upward convex stopping portion.

Preferably, the slope of the first guide portion is smaller than the slope of the second guide portion.

Preferably, the anti-tripping devices are distributed on the side walls of the positioning columns, the anti-tripping devices extend outwards in the lateral direction, the anti-tripping devices are distributed at intervals in the axial direction of the positioning columns, and the two adjacent positioning columns are partially staggered;

each anti-tripping device extends along the circumferential direction of the positioning column, the plug is also provided with a plurality of avoidance ports, each positioning column is provided with one avoidance port on each side in the arrangement direction of the positioning columns, and the avoidance ports axially penetrate through the anti-tripping device on the positioning columns;

the lock head comprises a connecting rod and a locking head arranged at the end part of the connecting rod, and the overall dimension of the locking head is larger than that of the connecting rod;

positioning bones extending towards the arrangement direction of the positioning columns are respectively arranged on two opposite inner wall surfaces of the positioning groove;

a sliding groove for the connecting rod to slide is formed between the two positioning bones, and a movable cavity for the locking head to pass through is formed between the positioning bones and the bottom surface of the positioning groove;

one side of the positioning bone, which is close to the bottom surface of the positioning groove, is obliquely arranged, and one end, which is far away from the guide opening, is obliquely arranged towards the bottom surface of the positioning groove;

the sliding groove comprises a sliding-in section, a clamping section and a positioning section which are sequentially distributed, one end, far away from the clamping section, of the sliding-in section is communicated with the guide port, the width of the sliding-in section is larger than the section size of the connecting rod, the width of the clamping section is not larger than the section size of the connecting rod, and the overall dimension of the positioning section is larger than the section size of the connecting rod and smaller than the overall dimension of the locking head;

two opposite sides of the positioning section are both arc-shaped.

A piece of quick assembling furniture comprises the hidden quick connecting mechanism and at least two assembling plates;

a lock hole matched with the shape of the lock nail is formed in one plate, a plug of the lock nail is inserted into the lock hole, and the positioning head is not higher than the lock hole;

the lock head is arranged on the other plate and extends outwards to be inserted into the guide opening, and the lock head is clamped with the positioning groove after moving along the transverse direction so as to axially position the lock nail and the lock head;

the positioning mechanism positions the lock head clamped in the positioning groove.

Implement the utility model discloses a assemble furniture and hidden quick coupling mechanism fast has following beneficial effect: the hidden quick coupling mechanism's lock nail and tapered end adopt to insert the closure that establishes back lateral shifting realized, can reduce the equipment step, simplify the equipment technology, realize fast assembly, and after the equipment, hidden quick coupling mechanism is hidden, has promoted the security, also lets the outward appearance more pleasing to the eye, and in addition, positioning mechanism can fix a position the tapered end of card income constant head tank, prevents to deviate from the constant head tank, has promoted the stability of installation, prevents to produce between the panel of assembling and removes the pine and take off.

Drawings

The invention will be further explained with reference to the drawings and examples, wherein:

FIG. 1 is a schematic structural view of a hidden quick connect mechanism according to an embodiment of the present invention when a locking pin is inserted into a plate;

FIG. 2 is a schematic view of the positioning mechanism of FIG. 1 showing the positioning pin being pulled out when the positioning mechanism is a positioning pin;

FIG. 3 is a cross-sectional view of the hidden quick connect mechanism of FIG. 1 with the locking pin inserted into a panel being positioned by the locating pin;

FIG. 4 is a schematic perspective view of the concealed quick connect mechanism of FIG. 1 with a positioning pin inserted to position the lock head;

FIG. 5 is a schematic cross-sectional view of the concealed quick connect mechanism of FIG. 4 with a locating pin inserted therein;

FIG. 6 is an exploded view of the concealed quick connect mechanism and locating pin of FIG. 4;

FIG. 7 is a schematic cross-sectional view of the positioning pin of FIG. 3 replaced with a positioning member;

FIG. 8 is a perspective view illustrating the positioning pin of FIG. 4 replaced with a positioning member;

FIG. 9 is a schematic cross-sectional view of the positioning pin of FIG. 5 replaced with a positioning member;

fig. 10 is an exploded view of the concealed quick connect mechanism and the positioning member shown in fig. 8.

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 5, the rapid-assembled furniture in a preferred embodiment of the present invention includes a hidden rapid-connecting mechanism 1 and two assembled plates 2, wherein the hidden rapid-connecting mechanism 1 includes a locking pin 11, a locking head 12 and a positioning mechanism 13.

One of the plates 2 is provided with one or more locking holes 21 matched with the shape of the locking nail 11, and the number of the locking holes 21 can be one or more. The locking nail 11 includes a plug 111 for being inserted into the locking hole 21 of the plate material 2 to be positioned with the plate material 2, and a positioning head 112 provided at an outer end of the plug 111. The locking head 12 is mounted on the other plate and extends outwards.

The positioning head 112 is provided with a guide hole 1121 through which the lock head 12 is inserted in the axial direction of the plug 111, and a positioning groove 1122 through which the lock head 12 inserted into the guide hole 1121 is moved in the lateral direction to engage with the positioning head 112, so as to axially position the lock pin 11 and the lock head 12.

The positioning mechanism 13 positions the lock head 12 that is engaged in the positioning groove 1122 to prevent the lock head 12 from coming out of the positioning groove 1122.

When assembling two assembled plates 2, the plug 111 of the lock pin 11 is inserted into the lock hole 21, so that the plug 111 is fixed in the lock hole 21 of the plate 2, and the positioning head 112 is not higher than the lock hole 21.

The lock head 12 on the other plate 2 is inserted into the guide hole 1121, and is engaged with the positioning slot 1122 after moving along the transverse direction, so as to axially position the lock pin 11 and the lock head 12; the positioning mechanism 13 positions the lock head 12 that is caught in the positioning groove 1122.

The lock pin 11 and the lock head 12 of the hidden quick connecting mechanism 1 are locked by inserting the lock pin and the lock head 12 to move transversely, so that the assembling steps can be reduced, the assembling process is simplified, quick assembling is realized, after the assembly, the hidden quick connecting mechanism 1 is hidden, the safety is improved, the appearance is more attractive, in addition, the positioning mechanism 13 can position the lock head 12 clamped into the positioning groove 1122, the positioning groove 1122 is prevented from being separated, the mounting stability is improved, and the assembled plates 2 are prevented from moving and loosening.

As shown in fig. 4 to 6, preferably, the plug 111 includes two positioning pillars 1111 disposed side by side along the same direction, and anti-release buckles 1112 distributed on the side walls of the positioning pillars 1111, and the anti-release buckles 1112 are disposed to extend laterally outward. After the plug 111 is inserted into the lock hole 21, the anti-slip thread 1112 is pressed and deformed to increase a frictional force with the inner wall surface of the lock hole 21, thereby preventing the plug from being pulled out.

Each anti-disengaging buckle 1112 is distributed at intervals in the axial direction of each positioning column 1111, so that the stress at each axial position is more balanced, the clamping force with the plate 2 is improved, and the plug 111 is prevented from being disengaged outwards. The number of the positioning pillars 1111 can also be more than two, and is properly adjusted according to the assembly requirement.

In addition, since the plug 111 includes a plurality of positioning pillars 1111 arranged side by side, the locking hole 21 on the plate 2 is also adapted to the shape of the plug 111. When processing, can rely on a drill bit to panel 2 to a direction continuous drilling out with reference column 1111 quantity the same drilling, and the interval of arranging of each drilling is the same with reference column 1111's interval, lets each drilling be linked together, in plug 111 can just insert each drilling of drilling, the processing of lockhole 21 just can be accomplished to this kind of structure use a drill bit, has simplified course of working and technology, simultaneously, can also promote tapered end 12 and the direct locking power of panel 2.

Furthermore, each anti-tripping device 1112 extends along the circumferential direction of the positioning column 1111, so that the circumference of the positioning column 1111 has a structure to be combined with the inner wall of the locking hole 21, thereby improving the friction force.

In some embodiments, the plug 111 is further provided with a plurality of avoidance openings 1113, each positioning column 1111 is provided with an avoidance opening 1113 on each of the two sides of the arrangement direction of the positioning columns 1111, and the avoidance openings 1113 axially penetrate through the anti-release buckle 1112 on the positioning column 1111. The avoiding opening 1113 is arranged, the width of the plug 111 can be reduced, and when the lock hole 21 is formed in the side edge of the plate 2, the narrower plug 111 can reduce the expansion force on the plate 2, so that the plate 2 is prevented from being split and damaged.

Furthermore, two adjacent positioning pillars 1111 are partially staggered, the positioning head 112 includes at least two nail caps 1123 which are arranged along the arrangement direction of the positioning pillars 1111 and correspond to the positions of the positioning pillars 1111 one by one, and the positioning pillars 1111 and the nail caps 1123 which correspond to each other are coaxial. When the lock hole 21 is machined, a stepped drill bit can be used for continuously drilling in one direction to form a lock hole 21 structure with a small inside and a large outside.

In some embodiments, the lock head 12 includes a connecting rod 121 and a locking head 122 disposed at an end of the connecting rod 121, and the locking head 122 has a larger external dimension than the connecting rod 121, so as to perform a snap-fit function.

Two opposite inner wall surfaces of the positioning slot 1122 are respectively provided with positioning bones 1124 extending towards the arrangement direction of the positioning columns 1111, a sliding groove 1125 for the connecting rod 121 to slide is formed between the two positioning bones 1124, and an activity cavity 1126 for the locking head 122 to pass through is formed between the positioning bones 1124 and the bottom surface of the positioning slot 1122.

When the lock head 12 is laterally locked into the positioning slot 1122, the connecting rod 121 is locked into the sliding slot 1125, and the locking head 122 is locked into the movable cavity 1126, so that the lock head 12 is locked and positioned in the axial direction.

Preferably, the positioning rib 1124 is disposed to incline at a side close to the bottom surface of the positioning groove 1122, and an end away from the guiding hole 1121 inclines toward the bottom surface of the positioning groove 1122, so that when the locking head 12 is locked into the positioning groove 1122, the plate 2 connected to the locking head 12 is pulled toward the plate 2 for installation of the locking nail 11, and the two plates 2 are directly combined to be more compact.

Further, the sliding groove 1125 includes a sliding-in section 1127, a clamping section 1128 and a positioning section 1129, which are sequentially distributed, wherein an end of the sliding-in section 1127 away from the clamping section 1128 is communicated with the guide opening 1121, so that the lock head 12 is firstly clamped into the sliding groove 1125 by the sliding-in section 1127.

The width of the slide-in section 1127 is greater than the cross-sectional dimension of the connecting rod 121, facilitating the locking of the locking head 12. The width of the clamping section 1128 is not greater than the cross-sectional dimension of the connecting rod 121 and will be clamped when the locking head 12 is snapped into the clamping section 1128. The overall dimension of the positioning section 1129 is larger than the cross-sectional dimension of the connecting rod 121 and smaller than the overall dimension of the locking head 122, and then the locking head 12 is extruded by a large force to pass through the clamping section 1128 and enter the positioning section 1129, so that the locking head 12 can be positioned in the positioning section 1129 and is not easy to be separated from the clamping section 1128.

Preferably, two opposite sides of the positioning section 1129 are arc-shaped, so that the connecting rod 121 can rotate in the positioning section 1129.

In some embodiments, the positioning head 112 is provided with a positioning hole 1130 extending transversely therethrough, and the positioning mechanism 13 includes a positioning pin 131 inserted into the positioning hole 1130 to block the lock cylinder 12 clamped into the positioning slot 1122 to prevent the lock cylinder from falling out. As shown in fig. 2, the plate 2 for inserting the locking pin 11 is provided with a guide hole 22 for inserting the positioning pin 131 into the positioning hole 1130, and after the locking pin 11 is inserted into the locking hole 21, the positioning hole 1130 is communicated with the guide hole 22, so that the positioning pin 131 passes through the guide hole 22 and the positioning hole 1130. When the lock needs to be removed, the positioning pin 131 is pulled out, so that the lock head 12 can be pulled out from the positioning slot 1122.

Further, as shown in fig. 7 to 10, in some embodiments, the positioning mechanism 13 may also include a positioning member 132 disposed at the bottom of the positioning slot 1122 for positioning the lock cylinder 12.

The positioning element 132 includes a base plate 1321 and a stopping portion 1322 integrally connected with the base plate 1321 and protruding upward, when the locking head 12 is clamped into the positioning slot 1122, the stopping portion 1322 is pressed downward to deform, the resistance of the stopping portion 1322 is overcome to clamp into the positioning slot 1122, and thus, the locking head 12 is not easily separated from the positioning slot 1122, and the assembling stability of the plate 2 is improved.

When the lock cylinder 12 needs to be removed, a large force pushes the lock cylinder 12 outwards towards the positioning slot 1122, the positioning element 132 is blocked and positioned by the inner wall of the lock hole 21 and cannot be separated from the positioning slot 1122, and the lock cylinder 12 is separated from the positioning slot 1122 after the resistance of the blocking portion 1322 is overcome.

Preferably, the stop 1322 has an inverted V-shape, and the surface of the stop 1322 smoothly transitions and smoothly transitions with the surface of the base plate 1321, so as to facilitate the sliding of the lock head 12.

Further, the stopping portion 1322 includes a first guiding portion 1323 and a second guiding portion 1324, which are included at an angle, the first guiding portion 1323 extends and inclines inward of the positioning slot 1122, and the second guiding portion 1324 extends and inclines outward of the positioning slot 1122 to form the stopping portion 1322 protruding upward. When the locking head 12 is locked into or released from the positioning slot 1122, the locking head 12 slides along the inclined plane, which is beneficial to pushing the locking head 12 to slide.

Preferably, the slope of the first guide portion 1323 is smaller than the slope of the second guide portion 1324, so that the force required for the locking head 12 to be caught in the positioning slot 1122 is smaller than the force required for the locking head 12 to be escaped from the positioning slot 1122.

Having had positioning mechanism 13, can do benefit to the dismouting of relapseing, promoted the stability of equipment, prevented to rock.

It is to be understood that the above-described respective technical features may be used in any combination without limitation.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims (10)

1. A hidden quick connecting mechanism is characterized by comprising a locking nail (11), a lock head (12) and a positioning mechanism (13);

the lock pin (11) comprises a plug (111) which is inserted into a lock hole (21) on the plate (2) and is positioned with the plate (2), and a positioning head (112) arranged at the outer end of the plug (111);

the positioning head (112) is provided with a guide opening (1121) for inserting a lock head (12) along the axial direction of the plug (111), and a positioning groove (1122) for clamping the lock head (12) inserted into the guide opening (1121) with the positioning head (112) in a transverse direction so as to axially position the lock pin (11) and the lock head (12);

the positioning mechanism (13) positions the positioning groove (1122) of the lock head (12) for the lock head (12) clamped into the positioning groove (1122).

2. The concealed quick-connect mechanism according to claim 1, wherein the plug (111) comprises at least two positioning posts (1111) arranged side by side along the same direction, the positioning head (112) comprises at least two screw caps (1123) arranged along the arrangement direction of the positioning posts (1111) and corresponding to the positions of the positioning posts (1111) one by one, and the positioning posts (1111) and the screw caps (1123) with corresponding positions are coaxial.

3. The concealed quick-connect mechanism according to claim 2, wherein the positioning head (112) is provided with a positioning hole (1130) extending transversely therethrough, and the positioning mechanism (13) includes a positioning pin (131) inserted into the positioning hole (1130) to block the lock head (12) engaged in the positioning slot (1122) against coming off.

4. The concealed quick connect mechanism according to claim 2, wherein said positioning mechanism (13) comprises a positioning member (132) disposed at the bottom of said positioning slot (1122) for positioning said lock cylinder (12).

5. The concealed quick connect mechanism according to claim 4, wherein the positioning element (132) comprises a base plate (1321) and a stop portion (1322) integrally connected with the base plate (1321) and protruding upward.

6. The concealed quick connect mechanism according to claim 5, wherein said stop portion (1322) is in an inverted V shape, and the surface of said stop portion (1322) smoothly transitions and smoothly transitions with the surface of said base plate (1321).

7. The concealed quick connect mechanism according to claim 6, wherein the stop portion (1322) comprises a first guide portion (1323) and a second guide portion (1324) that are angled, the first guide portion (1323) extends and inclines inwardly toward the positioning slot (1122), and the second guide portion (1324) extends and inclines outwardly toward the positioning slot (1122) to form the upwardly protruding stop portion (1322).

8. The concealed quick connect mechanism of claim 7 wherein the slope of the first guide portion (1323) is less than the slope of the second guide portion (1324).

9. The concealed quick connect mechanism according to any one of claims 2 to 8, wherein anti-release hooks (1112) are distributed on a side wall of each positioning pillar (1111), the anti-release hooks (1112) extend laterally outward, each anti-release hook (1112) is distributed at an axial interval of each positioning pillar (1111), and adjacent positioning pillars (1111) are partially staggered;

each anti-tripping device (1112) extends along the circumferential direction of the corresponding positioning column (1111), a plurality of avoiding ports (1113) are further arranged on the plug (111), one avoiding port (1113) is respectively arranged on each positioning column (1111) at two sides of the arrangement direction of each positioning column (1111), and each avoiding port (1113) axially penetrates through the anti-tripping device (1112) on the corresponding positioning column (1111);

the lock head (12) comprises a connecting rod (121) and a locking head (122) arranged at the end part of the connecting rod (121), and the external dimension of the locking head (122) is larger than that of the connecting rod (121);

positioning bones (1124) extending to the arrangement direction of the positioning columns (1111) are respectively arranged on two opposite inner wall surfaces of the positioning groove (1122);

a sliding groove (1125) for the connecting rod (121) to slide is formed between the two positioning bones (1124), and a moving cavity (1126) for the locking head (122) to pass through is formed between the positioning bones (1124) and the bottom surface of the positioning groove (1122);

one side of the positioning bone (1124) close to the bottom surface of the positioning groove (1122) is obliquely arranged, and one end far away from the guide opening (1121) is obliquely arranged towards the bottom surface of the positioning groove (1122);

the sliding groove (1125) comprises a sliding-in section (1127), a clamping section (1128) and a positioning section (1129) which are sequentially distributed, one end, away from the clamping section (1128), of the sliding-in section (1127) is communicated with the guide opening (1121), the width of the sliding-in section (1127) is larger than the section size of the connecting rod (121), the width of the clamping section (1128) is not larger than the section size of the connecting rod (121), and the external dimension of the positioning section (1129) is larger than the section size of the connecting rod (121) and smaller than the external dimension of the locking head (122);

two opposite sides of the positioning section (1129) are arc-shaped.

10. A quick-connect piece of furniture, characterized in that it comprises a concealed quick-connect mechanism (1) according to any one of claims 1 to 9, and at least two pieces of construction board (2);

a lock hole (21) matched with the shape of the lock nail (11) is formed in one plate (2), a plug (111) of the lock nail (11) is inserted into the lock hole (21), and the positioning head (112) is not higher than the lock hole (21);

the lock head (12) is arranged on the other plate (2) and extends outwards to be inserted into the guide opening (1121), and is clamped with the positioning groove (1122) after moving along the transverse direction to axially position the lock nail (11) and the lock head (12);

the positioning mechanism (13) positions the lock head (12) clamped into the positioning groove (1122).

Images