CN210599719U

CN210599719U - Locking device

Info

Publication number: CN210599719U
Application number: CN201921146563.6U
Authority: CN
Inventors: 王凯军; 张小伟; 尤棠杰
Original assignee: Zhongshan Qingyi Metal Products Enterprise Co ltd
Current assignee: Zhongshan Qingyi Metal Products Enterprise Co ltd
Priority date: 2019-07-19
Filing date: 2019-07-19
Publication date: 2020-05-22
Anticipated expiration: 2029-07-19

Abstract

The utility model discloses a locking device, including installing the supporting seat on the layer frame, be equipped with the mounting hole on the supporting seat, be equipped with in the supporting seat and insert the mounting hole and connect the fixed pipe on the supporting seat, fixed intraductal connecting piece that is equipped with, be equipped with on the connecting piece and supply insert male jack, when the insert inserts in the connecting piece, the connecting piece is extruded and warp and supports tightly on the inner wall of fixed pipe. With the help of the structure, when the insert is inserted into the connecting piece, the connecting piece is extruded and deformed to support the inner wall of the fixed pipe, the connecting piece is fixed in the fixed pipe by utilizing friction force, and at the moment, larger friction force can be generated between the insert and the connecting piece, so that the insert is fixed in the connecting piece, the net rack can be fixed on the layer rack through the supporting seat, inconvenience and complexity in using screws are avoided, quick installation and disassembly are realized, and the structure is simple and practical.

Description

Locking device

[ technical field ] A method for producing a semiconductor device

The utility model relates to a locking device.

[ background of the invention ]

In order to more reasonably and effectively utilize the space, the commodity shelf is widely applied to daily life and work as a tool for supporting and storing articles.

The commodity shelf on the market has various structures, wherein, the net layer shelf is relatively common and widely applied. The net layer frame generally includes net piece, crossbeam and pillar etc to form through fasteners such as screw, pin combination, though adopt the screw can realize the equipment to net layer frame, the equipment is all more loaded down with trivial details with the dismantlement, and the screw is in the in-process of locking the easy condition that appears sliding tooth or fracture and is detained in the mounting hole, influences the reuse of net layer frame, can not satisfy the demand that the user fixed fast or dismantled, brings the inconvenience for the user. Therefore, it is necessary to design a device capable of assembling the net layer frame instead of the screw.

[ Utility model ] content

The utility model discloses the purpose is overcome prior art not enough, provides one kind and can avoid using the inconvenience and loaded down with trivial details of screw, realizes quick installation and dismantlement, simple structure's locking device.

The utility model discloses a realize through following technical scheme:

the utility model provides a locking device, is including installing supporting seat 1 on layer frame 5, is equipped with mounting hole 11 on supporting seat 1, is equipped with in supporting seat 1 and inserts mounting hole 11 and connect the fixed pipe 3 on supporting seat 1, is equipped with connecting piece 2 in the fixed pipe 3, is equipped with on the connecting piece 2 and supplies 4 male jacks 23 of insert, and when insert 4 inserted in connecting piece 2, connecting piece 2 was by extrusion deformation and support tightly on the inner wall of fixed pipe 3.

The locking device is characterized in that the connecting piece 2 comprises an insertion end 21 inserted into the fixed tube 3 and a flange 22 abutting against one side of the supporting seat 1, a plurality of annular protrusions 211 are arranged on the outer surface of the insertion end 21, and when the inserting piece is inserted into the connecting piece 2, the annular protrusions 211 abut against the inner wall of the fixed tube 3.

The locking device is characterized in that the inner wall of the insertion hole 23 is tapered, and the aperture of the insertion hole 23 gradually decreases from the flange 22 to the insertion end 21.

The locking device is characterized in that the two ends of the fixing tube 3 are provided with the riveting edges 31 which are abutted against the two sides of the supporting seat 1, and the flange 22 of the connecting piece 2 is abutted against the riveting edge 31 at one side.

The locking device is characterized in that the supporting seat 1 is formed by bending a sheet metal body and comprises a bottom plate 13 and a top plate 12 parallel to the bottom plate, a first side plate 14 and a second side plate 15 perpendicular to the bottom plate 13 are arranged between the bottom plate 13 and the top plate 12, and the bottom plate 13, the top plate 12, the first side plate 14 and the second side plate 15 are enclosed to form a triangular body with one side hollowed out.

The locker as described above is characterized in that the mounting holes 11 are symmetrically formed at the bottom plate 13 and the top plate 12.

The locking device is characterized in that the mounting hole 11 formed in the top plate 12 is a counter bore, one side riveting edge 31 of the fixed tube 3 connected with the flange 22 abuts against the counter bore, and the other side riveting edge 31 of the fixed tube 3 abuts against the bottom plate 13.

The locking device is characterized in that the first side plate 14 and the second side plate 15 are respectively provided with a hanging buckle 16 which can enable the supporting seat 1 to be installed on the layer frame 5.

The locking device is characterized in that the supporting seat 1 is provided with a groove 17 for installing and positioning the insert 4 and a projection 18 for supporting the insert 4.

The locking device is characterized in that the insertion end 21 is provided with an opening.

Compared with the prior art, the utility model discloses there is following advantage:

1. the utility model discloses a locking device, when insert 4 inserts connecting piece 2, connecting piece 2 is by extrusion deformation and support the inner wall of tight fixed pipe 3, connecting piece 2 utilizes frictional force to fix in fixed pipe 3, also can produce great frictional force between insert 4 and the connecting piece 2 this moment, make insert 4 fix in connecting piece 2, thereby can pass through the supporting seat 1 with the rack and fix on layer frame 5, avoid using the inconvenience and loaded down with trivial details of screw, realize quick installation and dismantlement, simple structure and practicality.

2. The utility model discloses a locking device, the inner wall of jack 23 of connecting piece 2 is the conical surface, and from flange 22 to inserting the end 21 direction, the aperture of jack 23 reduces gradually, with the help of such structure, in insert 4 inserts connecting piece 2, the rack bearing is big more, insert 4 also can be inserted in jack 23 and got deeply, connecting piece 2 is big more because of the power that deformation extrudees insert 4, frictional force between insert 4 and the connecting piece 2 also increases gradually, the lock gets tighter.

3. The utility model discloses a locking device, supporting seat 1 is by the shaping of bending of a panel beating body, light in weight, low in manufacturing cost.

[ description of the drawings ]

FIG. 1 is a schematic view of a net rack structure with a locking device of the present invention;

fig. 2 is a partially enlarged view of a portion a in fig. 1.

Fig. 3 is a schematic structural view of the locking device of the present invention;

fig. 4 is an exploded view of the locking device of the present invention;

fig. 5 is a cross-sectional view of a connector of the present invention;

FIG. 6 is a schematic structural view of the support base of the present invention;

fig. 7 is a cross-sectional view of the present invention;

[ detailed description ] embodiments

The invention will be further described with reference to the accompanying drawings:

referring to fig. 1 to 7, a locking device comprises a support base 1 capable of being installed on a shelf 5, a mounting hole 11 is formed in the support base 1, a fixed pipe 3 inserted into the mounting hole 11 and connected to the support base 1 is arranged in the support base 1, a connecting piece 2 is arranged in the fixed pipe 3, a jack 23 for inserting an inserting piece 4 is formed in the connecting piece 2, and when the inserting piece 4 is inserted into the connecting piece 2, the connecting piece 2 is extruded and deformed to abut against the inner wall of the fixed pipe 3. With the help of the above structure, when the user inserts connecting piece 2 with insert 4 on the rack, connecting piece 2 is by extrusion deformation and support the inner wall of tight fixed pipe 3, connecting piece 2 utilizes frictional force to fix in fixed pipe 3, also can produce great frictional force between insert 4 and the connecting piece 2 this moment, make insert 4 fix in connecting piece 2, thereby can fix the rack on layer frame 5 through 1 hasp of supporting seat, avoid using the inconvenience and loaded down with trivial details of screw, realize quick installation and dismantlement, simple structure and practicality.

As shown in fig. 4 and 5, the connecting member 2 includes an insertion end 21 inserted into the fixed tube 3 and a flange 22 abutting against one side of the supporting seat 1, and a plurality of annular protrusions 211 are provided on an outer surface of the insertion end 21, and when the inserting member 4 is inserted into the connecting member 2, the annular protrusions 211 abut against an inner wall of the fixed tube 3, and an opening is further provided on the insertion end 21.

The inner wall of the insertion hole 23 is a conical surface, and the diameter of the insertion hole 23 gradually decreases from the flange 22 to the insertion end 21, so that when the insertion piece 4 is inserted into the connecting piece, the net rack bearing is larger, the insertion piece 4 is inserted deeper into the connecting piece 2, the force of the connecting piece 2 pressing the insertion piece 4 due to deformation is larger, the friction force between the insertion piece 4 and the connecting piece 2 is gradually increased, and the fastening is tighter. Of course, the annular protrusion 211 on the insertion end 21 may be designed to have a gradually increasing outer diameter in the insertion direction, and the same effect can be achieved.

As shown in fig. 4 and 7, both ends of the fixing tube 3 are provided with caulking edges 31 abutting against both sides of the support base 1, and the flange 22 of the connecting member 2 abuts against the caulking edge 31 on one side.

As shown in fig. 6, the supporting seat 1 is formed by bending a sheet metal body, and includes a bottom plate 13 and a top plate 12 parallel to the bottom plate, a first side plate 14 and a second side plate 15 perpendicular to the bottom plate 13 are arranged between the bottom plate 13 and the top plate 12, and the bottom plate 13, the top plate 12, the first side plate 14 and the second side plate 15 enclose a triangular body with one side hollowed out. The supporting seat formed by bending the metal plate body is light in weight and low in manufacturing cost.

The mounting holes 11 are symmetrically arranged on the bottom plate 13 and the top plate 12, the mounting holes 11 arranged on the top plate 12 are counter bores, one side riveting edge 31 of the fixed pipe 3 connected with the connecting piece flange 22 abuts against the counter bores, and the other side riveting edge 31 of the fixed pipe 3 abuts against the bottom plate 13. The connector flange 22 and the riveting edge 31 are hidden in the counter bored hole, so that the interference of the protrusions is avoided, and the flatness and the attractiveness of the mounting plane are also ensured.

As shown in fig. 2 and 6, the first side plate 14 and the second side plate 15 are respectively provided with a hanging buckle 16 for mounting the supporting base 1 on the shelf 5.

The supporting seat 1 is provided with a groove 17 for installing and positioning the insert 4 and a projection 18 for supporting the insert 4.

The assembling method comprises the following steps: the riveting edge 31 at one end of the fixed pipe 3 is turned over and processed, then the fixed pipe 3 is inserted into the mounting hole 11 of the support seat, the riveting edge 31 abuts against a counter bore of the top plate 12, the riveting edge at the other end of the fixed pipe 3 is processed, the fixed pipe is installed in the support seat, the connecting piece 2 is inserted into the fixed pipe 3, and the flange 22 abuts against the riveting edge 31. When in use, as shown in fig. 1 and fig. 2, the support seat is hung on the layer frame 5 through the hanging buckle 16, the insertion piece 4 on the net rack can be inserted into the jack 23 of the connecting piece 2, at the moment, a larger friction force can be generated between the insertion piece 4 and the connecting piece 2, the insertion piece 4 is fixed in the connecting piece 2, the net rack can be fixed on the layer frame 5 through the locking buckle of the support seat 1, the inconvenience and the complexity of using screws are avoided, the quick installation and the disassembly are realized, the structure is simple and practical, the net rack bearing is larger, the insertion piece 4 can be inserted deeper into the connecting piece 2, the friction force between the insertion piece 4 and the connecting piece 2 is gradually increased, and the locking is tighter.

Claims

1. A locking device is characterized in that: including installing supporting seat (1) on layer frame (5), supporting seat (1) on be equipped with mounting hole (11), supporting seat (1) in be equipped with and insert mounting hole (11) and connect fixed pipe (3) on supporting seat (1), be equipped with connecting piece (2) in fixed pipe (3), connecting piece (2) on be equipped with and supply inserting piece (4) male jack (23), when inserting piece (4) inserts connecting piece (2), connecting piece (2) by extrusion deformation and support tightly on the inner wall of fixed pipe (3).

2. The latching device of claim 1, wherein: the connecting piece (2) including insert end (21) and support and lean on flange (22) in supporting seat (1) one side in inserting fixed pipe (3), the surface that inserts end (21) on be equipped with a plurality of annular bulge (211), when insert piece (4) insert in connecting piece (2), annular bulge (211) support tightly on the inner wall of fixed pipe (3).

3. The latching device of claim 2, wherein: the inner wall of the jack (23) is a conical surface, and the aperture of the jack (23) is gradually reduced from the flange (22) to the insertion end (21).

4. The latching device of claim 2, wherein: the both ends of fixed pipe (3) be equipped with and lean on riveting limit (31) of supporting seat (1) both sides, flange (22) of connecting piece (2) support and lean on one side riveting limit (31).

5. The latch of any one of claims 1 to 4, wherein: the supporting seat (1) is formed by bending a sheet metal body, and comprises a bottom plate (13) and a top plate (12) parallel to the bottom plate, wherein a first side plate (14) and a second side plate (15) which are perpendicular to the bottom plate (13) are arranged between the bottom plate (13) and the top plate (12), and the bottom plate (13), the top plate (12), the first side plate (14) and the second side plate (15) are enclosed to form a triangular body with one side hollowed out.

6. The latching device of claim 5, wherein: the mounting holes (11) are symmetrically arranged on the bottom plate (13) and the top plate (12).

7. The latching device of claim 6, wherein: the mounting hole (11) formed in the top plate (12) is a counter bore, one side of the fixed pipe (3) connected with the flange (22) is riveted with an edge (31) which abuts against the counter bore, and the other side of the fixed pipe (3) is riveted with the edge (31) which abuts against the bottom plate (13).

8. The latching device of claim 5, wherein: the first side plate (14) and the second side plate (15) are respectively provided with a hanging buckle (16) which can enable the supporting seat (1) to be installed on the layer frame (5).

9. The latching device of claim 1, wherein: the supporting seat (1) is provided with a groove (17) for installing and positioning the insert (4) and a convex block (18) for supporting the insert (4).

10. The latching device of claim 2, wherein: the insertion end (21) is provided with an opening.