CN213451202U

CN213451202U - Connecting piece of combined cabinet

Info

Publication number: CN213451202U
Application number: CN202021695356.9U
Authority: CN
Inventors: 李台勇
Original assignee: Dongguan Yuyuan Prec Metal Ind Co ltd
Current assignee: Dongguan Yuyuan Prec Metal Ind Co ltd
Priority date: 2020-08-14
Filing date: 2020-08-14
Publication date: 2021-06-15
Anticipated expiration: 2030-08-14

Abstract

The utility model discloses a combination sideboard connecting piece, its characterized in that: the expansion joint comprises a base and an expansion locking mechanism, wherein mounting holes are formed in at least two side faces of the base, the expansion locking mechanism comprises a screw and at least two expansion joints, connecting holes are formed in the expansion joints, the screw sequentially penetrates through or is inserted into the connecting holes of the expansion joints, one end of the screw is connected with or screwed with the expansion joints, and the other end of the screw abuts against or is screwed with the base. The utility model adopts the expansion locking mechanism to realize the connection and the assembly of each component, has high reliability, is not easy to loose after being assembled, and improves the stability of the combined cabinet; six sides of the base are matched with the expansion locking mechanism, so that the universality is strong, the structure is simple, and the cost is low; the top surface and the bottom surface of the expansion locking mechanism are both provided with the fastening grooves, so that the installation is convenient, the connection is firm, and the appearance is attractive.

Description

Connecting piece of combined cabinet

Technical Field

The utility model belongs to the technical field of furniture technique and specifically relates to a combination sideboard connecting piece is related to.

Background

The combined cabinet is assembled by a plurality of plates and rod pieces and can be combined into various shapes. The traditional combined cabinet is formed by splicing and combining a panel and a buckle. There is the inserting groove on traditional buckle, and during the inserting groove on the buckle was inserted to the panel to the installation and the combination of the realization cabinet body, inserting groove and panel easily produced the clearance, lead to the assembled cabinet poor stability, and the firm in connection degree is poor, and is easy not hard up after accomplishing the equipment, and traditional connecting piece commonality is poor, also relatively more troublesome when the equipment, and the outward appearance is not pleasing to the eye, consequently is necessary to improve.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a combination sideboard connecting piece, can fast assembly combination sideboard, firm in connection not only, the outward appearance is pleasing to the eye moreover.

In order to realize the purpose, the utility model discloses the technical scheme who adopts is: the utility model provides a combination sideboard connecting piece which characterized in that: the expansion joint comprises a base and an expansion locking mechanism, wherein mounting holes are formed in at least two side faces of the base, the expansion locking mechanism comprises a screw and at least two expansion joints, connecting holes are formed in the expansion joints, the screw sequentially penetrates through or is inserted into the connecting holes of the expansion joints, one end of the screw is connected with or screwed with the expansion joints, and the other end of the screw abuts against or is screwed with the base.

In a further technical scheme, one end of the screw rod is integrally formed with a tensioning portion, the inner end face of the tensioning portion abuts against the expansion joint adjacent to the tensioning portion, and the outer end face of the tensioning portion is formed with a fastening groove.

In a further technical scheme, the base is respectively provided with a through hole along the X-axis direction, the Y-axis direction and the Z-axis direction, the three through holes are mutually vertical and intersect at the central part of the base, and two ends of each through hole respectively penetrate through the surfaces of two opposite sides of the base and form six mounting holes on the surface of the base.

In a further technical scheme, the base is in a spherical shape, six mounting holes are distributed on the surface of the base, the mounting holes are respectively formed in the front side, the rear side, the left side, the right side, the top side and the bottom side of the base, the mounting holes of the two oppositely-oriented surfaces are coaxially arranged, and the mounting holes of the two oppositely-oriented surfaces are communicated in a straight line mode.

In a further technical scheme, the inner wall of the mounting hole is provided with an internal thread for screwing the screw rod, the end parts of the two end parts of the screw rod are respectively provided with a fastening groove, any mounting hole of the base is only screwed with one expansion locking mechanism, and one base is screwed with one to six expansion locking mechanisms.

In a further technical scheme, the expansion joint comprises an upper expansion joint and a lower expansion joint, an upper inclined plane is arranged at the bottom end of the upper expansion joint, a lower inclined plane is arranged at the top end of the lower expansion joint, and the upper inclined plane and the lower inclined plane are abutted and matched.

In a further technical scheme, the upper expansion joint and the lower expansion joint are respectively movably sleeved on the screw, the diameter of the connecting hole is larger than that of the screw, a movable space is laterally or radially arranged, and the upper expansion joint and the lower expansion joint are in clearance fit with the screw so as to realize that the upper expansion joint is staggered relative to the lower expansion joint.

In a further technical scheme, one end of the screw rod is integrally formed with a tensioning portion, the top surface of the upper expansion joint is in abutting fit with the bottom surface of the tensioning portion, the bottom surface of the lower expansion joint is in abutting fit with the base, and the screw rod penetrates through the connecting hole and is in threaded connection with the base.

In the further technical scheme, the outer surface of the upper expansion joint is provided with a plurality of bar-shaped patterns which are arranged at intervals along the circumferential direction, and the outer surface of the lower expansion joint is provided with a plurality of bar-shaped patterns which are arranged at intervals along the circumferential direction.

In a further technical scheme, the rib-shaped patterns are parallel to the axial direction of the upper expansion joint and the lower expansion joint.

After the structure is adopted, compared with the prior art, the utility model the advantage that has is: the utility model adopts the expansion locking mechanism to realize the connection and the assembly of each component, has high reliability, is not easy to loose after being assembled, and improves the stability of the combined cabinet; six sides of the base are matched with the expansion locking mechanism, so that the universality is strong, the structure is simple, and the cost is low; the top surface and the bottom surface of the expansion locking mechanism are both provided with the fastening grooves, so that the installation is convenient, the connection is firm, and the appearance is attractive.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a cross-sectional view of the present invention.

Fig. 3 is an exploded view of the present invention.

Fig. 4 is a schematic view of the expansion state of the present invention.

FIG. 5 is a schematic view of the installation of multiple expansion locking mechanisms.

In the figure:

1. a base 11, a mounting hole;

2. an expansion mechanism;

21. a screw 211, a tightening part 212, a tightening groove;

22. the expansion joint 221 is an upper expansion joint, 222, the lower expansion joint 223, the connecting hole 224, the upper chamfer plane and 225 are lower chamfer planes.

Detailed Description

The following are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby.

A connecting piece of a combination cabinet comprises a base 1 and an expansion locking mechanism 2, wherein at least two side faces of the base 1 are provided with mounting holes 11, the expansion locking mechanism 2 comprises a screw rod 21 and at least two expansion joints 22, the expansion joints 22 are provided with connecting holes 223, the screw rod 21 sequentially penetrates through or is inserted into the connecting holes 223 of the expansion joints 22, one end of the screw rod 21 is respectively connected or screwed with the expansion joints 22, and the other end of the screw rod 21 is abutted against or screwed with the base. The expansion locking mechanism 2 connected to the base 1 expands in the sleeve, so that the base 1 and the sleeve are firmly installed, the reliability is high, the looseness is not easy to occur, and the stability of the combination cabinet is improved.

Specifically, one end of the screw 21 is integrally formed with a tension portion 211, an inner end surface of the tension portion 211 abuts against the adjacent expansion joint 22, and an outer end surface of the tension portion 211 is formed with a fastening groove 212. The fastening groove 212 is an internal hexagonal groove, a triangular groove, a cross groove, a straight groove or a composite groove. When the expansion locking mechanism 2 is arranged in the sleeve, a fastening tool corresponding to the fastening groove 212 can be used for penetrating through the sleeve and fastening from the top end of the screw 21, so that the installation is convenient and efficient.

Specifically, the base 1 is provided with a through hole along the X-axis direction, the Y-axis direction and the Z-axis direction, the three through holes are perpendicular to each other and intersect at the center of the base 1, two ends of each through hole penetrate through the surfaces of two opposite sides of the base 1, and six mounting holes 11 are formed in the surface of the base 1.

Specifically, the shape of base 1 is spheroid shape, and the surface distribution of base 1 has six mounting holes 11, is provided with a mounting hole 11 respectively at front side, rear side, left side, right side, top side and the bottom side of base 1, and the mounting hole 11 of two faces of relative orientation sets up coaxially, and the mounting hole 11 straight line of two faces of relative orientation communicates. The expansion locking mechanism 2 is completely arranged in the sleeve, only the base 1 is exposed outside, the base 1 is a spherical body, the spherical body and the end face of the sleeve are integrated into a whole, any edge is not formed, the scratch and rubbing of people or objects are not easy to generate, and the safety and the attractiveness are improved.

When the expansion locking mechanism 2 is arranged in the casing, a fastening tool can also be used to penetrate through the mounting hole 11 penetrating through the base 1 and fasten from the bottom end of the screw rod 21, so that the expansion locking mechanism 2 can be locked from multiple positions, and the expansion locking mechanism 2 can be locked no matter where the base 1 is positioned in the cabinet body.

Specifically, as shown in fig. 5, the inner wall of the mounting hole 11 is provided with an internal thread for screwing the screw 21, the end portions of the two end portions of the screw 21 are respectively provided with a fastening groove 212, any one mounting hole 11 of the base 1 is only screwed with one expansion locking mechanism 2, and one base 1 is screwed with one to six expansion locking mechanisms 2. Through female connection screw rod 21 and base 1, simple structure adopts threaded connection reliability high, and firm. By being arranged on different surfaces, the expansion locking mechanisms 2 with different numbers are combined into various combined cabinets with different shapes and functions.

Specifically, the expansion joint 22 includes an upper expansion joint 221 and a lower expansion joint 222, the bottom end of the upper expansion joint 221 is provided with an upper chamfered surface 224, the top end of the lower expansion joint 222 is provided with a lower chamfered surface 225, and the upper chamfered surface 224 is abutted and matched with the lower chamfered surface 225.

Specifically, the upper expansion joint 221 and the lower expansion joint 222 are movably sleeved on the screw 21 respectively, the diameter of the connecting hole 223 is larger than that of the screw 21, a movable space is formed in the lateral direction or the radial direction, and the upper expansion joint 221 and the lower expansion joint 222 are in clearance fit with the screw 21 so as to realize that the upper expansion joint 221 is staggered relative to the lower expansion joint 222.

Specifically, the top surface of the upper expansion joint 221 abuts against and fits the bottom surface of the tightening part 211, the bottom surface of the lower expansion joint 222 abuts against and fits the base 1, and the screw 21 passes through the connecting hole 223 and is in threaded connection with the base 1.

In the installation process, the upper expansion joint 221 and the lower expansion joint 222 are respectively movably sleeved on the screw rod 21, before the screw rod 21 is screwed, a lateral or radial movable space is formed between the connecting hole 223 and the screw rod 21, and at the moment, the expansion locking mechanism 2 is placed at one end in the sleeve; when the screw 21 is locked by using a locking tool, the tensioning part 211 gradually moves towards the base 1, meanwhile, the tensioning part 211 pushes the upper expansion joint 221 to move towards the base 1, the upper expansion joint 221 and the lower expansion joint 222 are respectively staggered left and right along the upper chamfer plane 224 and the lower chamfer plane 225, and expand in the sleeve until being in interference fit with the inner wall of the sleeve.

Specifically, the outer surface of the upper expansion joint 221 is provided with a plurality of ribs arranged at intervals in the circumferential direction, and the outer surface of the lower expansion joint 222 is provided with a plurality of ribs arranged at intervals in the circumferential direction. The bar pattern contacts with the sleeve pipe inner wall, increases frictional force, strengthens the inflation effect, has strengthened stability.

Specifically, the ribs are parallel to the axial direction of the upper expansion joint 221 and the lower expansion joint 222. The bar-shaped patterns are in parallel contact with the inner wall of the sleeve, so that the expansion locking mechanism is prevented from rotating along the axial direction, and the stability is further enhanced.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims

1. The utility model provides a combination sideboard connecting piece which characterized in that: the expansion joint comprises a base (1) and an expansion locking mechanism (2), wherein mounting holes (11) are formed in at least two side faces of the base (1), the expansion locking mechanism (2) comprises a screw rod (21) and at least two expansion joints (22), connecting holes (223) are formed in the expansion joints (22), the screw rod (21) sequentially penetrates or is inserted into the connecting holes (223) of the expansion joints (22), one end of the screw rod (21) is respectively connected or screwed with the expansion joints (22), and the other end of the screw rod abuts against or is screwed with the base.

2. A modular cabinet connector as defined in claim 1, wherein: one end of the screw rod (21) is integrally formed with a tensioning portion (211), the inner end face of the tensioning portion (211) abuts against the expansion joint (22) adjacent to the tensioning portion, and the outer end face of the tensioning portion (211) is formed with a fastening groove (212).

3. A modular cabinet connector as defined in claim 1, wherein: the base (1) is respectively provided with a through hole along the X-axis direction, the Y-axis direction and the Z-axis direction, the three through holes are mutually perpendicular and intersect at the central part of the base (1), and two ends of each through hole respectively penetrate through the surfaces of two opposite sides of the base (1) and form six mounting holes (11) on the surface of the base (1).

4. A modular cabinet connector as defined in claim 1, wherein: the shape of base (1) is spheroid shape, and the surface distribution of base (1) has six mounting hole (11), is provided with a mounting hole (11) respectively in front side, rear side, left side, right side, top side and the bottom side of base (1), and mounting hole (11) coaxial setting of two faces towards relatively, mounting hole (11) straight line intercommunication of two faces towards relatively.

5. A modular cabinet connector as defined in claim 4, wherein: the inner wall of the mounting hole (11) is provided with an internal thread for screwing the screw rod (21), the end parts of the two end parts of the screw rod (21) are respectively provided with a fastening groove (212), any mounting hole (11) of the base (1) is only screwed with one expansion locking mechanism (2), and one base (1) is screwed with one to six expansion locking mechanisms (2).

6. A modular cabinet connector as claimed in any one of claims 1 to 5, wherein: the expansion joint (22) comprises an upper expansion joint (221) and a lower expansion joint (222), an upper chamfer (224) is arranged at the bottom end of the upper expansion joint (221), a lower chamfer (225) is arranged at the top end of the lower expansion joint (222), and the upper chamfer (224) is abutted and matched with the lower chamfer (225).

7. A modular cabinet connector as defined in claim 6, wherein: the upper expansion joint (221) and the lower expansion joint (222) are movably sleeved on the screw rod (21) respectively, the diameter of the connecting hole (223) is larger than that of the screw rod (21), a movable space is arranged laterally or radially, and the upper expansion joint (221) and the lower expansion joint (222) are in clearance fit with the screw rod (21) so as to realize that the upper expansion joint (221) is staggered relative to the lower expansion joint (222).

8. A modular cabinet connector as defined in claim 7, wherein: one end of the screw rod (21) is integrally formed with a tensioning portion (211), the top surface of the upper expansion joint (221) is in abutting fit with the bottom surface of the tensioning portion (211), the bottom surface of the lower expansion joint (222) is in abutting fit with the base (1), and the screw rod (21) penetrates through the connecting hole (223) and is in threaded connection with the base (1).

9. A modular cabinet connector as defined in claim 8, wherein: the outer surface of the upper expansion joint (221) is provided with a plurality of ribs arranged at intervals along the circumferential direction, and the outer surface of the lower expansion joint (222) is provided with a plurality of ribs arranged at intervals along the circumferential direction.

10. A modular cabinet connector as defined in claim 9, wherein: the ribs are parallel to the axial direction of the upper expansion joint (221) and the lower expansion joint (222).