CN210565674U

CN210565674U - Be applied to locking spring fastener of screw and section bar corner piece of plugging into

Info

Publication number: CN210565674U
Application number: CN201921008694.8U
Authority: CN
Inventors: 蒋均利; 李果
Original assignee: Guizhou Jincheng Aluminum Technology Co ltd
Current assignee: Guizhou Jincheng Aluminum Technology Co ltd
Priority date: 2019-07-01
Filing date: 2019-07-01
Publication date: 2020-05-19
Anticipated expiration: 2029-07-01

Abstract

The utility model provides a be applied to locking spring fastener of screw, spring fastener is formed by the spring wire is crooked, spring fastener includes the corrugated elastic segment that two intervals set up and establishes the linkage segment between two elastic segments, the one end at elastic segment is established to the linkage segment, the tip of two elastic segments is connected respectively at the both ends of linkage segment, elastic segment includes two trough units and establishes the crest unit between two trough units, the screw is the second screw, the second screw includes second screw head and second screw pole, form the screw pole installing zone that supplies the second screw pole to pass between two elastic segments. The utility model provides an adopt the section bar corner of aforementioned spring fastener to plug into piece, the corner plug into piece including the base of taking the open slot and establishing the second connecting hole on the base, is equipped with the second screw in the second connecting hole, and the spring fastener is established between the open slot lateral wall at second screw head and second connecting hole place. By adopting the technical scheme, the corner connecting piece and the section bar are high in connecting strength and high in connecting size precision.

Description

Be applied to locking spring fastener of screw and section bar corner piece of plugging into

Technical Field

The utility model belongs to the technical field of furniture and specifically relates to a be applied to locking spring fastener of screw and section bar corner piece of plugging into.

Background

In the field of furniture, the aluminum alloy cabinet body has the structure firm, the advantage of pleasing to the eye environmental protection, more and more receive the attention of market, the aluminum alloy cabinet body comprises aluminum alloy frame and ligneous shrouding usually, and aluminum alloy frame is formed by each aluminum alloy ex-trusions concatenation, the corner is plugged into the piece and is used in cabinet body section bar concatenation department, but current corner is plugged into piece and section bar joint strength not enough, and because fastening screw's manufacturing error, it has the clearance to lead to the corner to plug into piece and section bar joint department, thereby influence the bulk strength and the size precision of the cabinet body, consequently, need improve.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a can effectively solve the above-mentioned problem be applied to the locking spring fastener of screw and adopted the section bar corner of this spring fastener to plug into, for reaching above-mentioned purpose, the utility model discloses a following technical scheme:

the utility model provides a be applied to locking spring fastener of screw, spring fastener is formed by the spring wire is crooked, spring fastener includes the wavy elastic segment that two intervals set up and establishes two linkage segment between the elastic segment, the one end at the elastic segment is established to the linkage segment, the tip of two elastic segments is connected respectively at the both ends of linkage segment, the elastic segment includes two trough units and establishes two crest unit between the trough unit, the screw is the second screw, the second screw includes second screw head and second screw pole, forms the screw pole installing zone that supplies the second screw pole to pass between two elastic segments.

Further, the section of the spring steel wire is circular.

Further, the diameter of the spring steel wire is 1 mm.

Furthermore, the top of the wave crest unit is attached to the bottom of the second screw head.

Further, the one end of elasticity section extends to second screw head one side and forms the extension section, the tip of two extension sections is connected respectively at the both ends of linkage segment, form the screw head installing zone between elasticity section, linkage segment and the extension section.

The utility model provides an adopt the section bar corner of aforementioned spring fastener to plug into a piece, the corner is plugged into a piece and is included the base and is used for the second connecting portion be connected with the section bar, be equipped with the open slot that top and leading flank link up on the base, second connecting portion are established on the base, second connecting portion are including establishing second connecting hole on the open slot lateral wall, be equipped with in the second connecting hole the second screw, the second screw head is established in the open slot, the spring fastener is established between the open slot lateral wall at second screw head and second connecting hole place, the top of crest unit pastes with the bottom of second screw head, the bottom of trough unit pastes with the lateral wall of open slot mutually.

Further, the second screw is the second self tapping screw, the second self tapping screw is kept away from second screw head one end and is equipped with the second screw thread section, be equipped with second location section between second screw head and the second screw thread section, the second location section is established in the second connecting hole, the diameter and the second connecting hole phase-match of second location section.

By adopting the technical scheme, the following technical effects can be achieved:

(1) the section bar is locked with the corner connecting piece by the second screw, the spring clamping piece is clamped by the inner wall of the second screw head and the corner connecting piece to deform the section bar, the friction force between the thread section of the second screw and the threaded hole of the section bar of the cabinet body is increased, the second screw can be effectively prevented from loosening, and the connecting strength is improved.

(2) Because manufacturing error, there is not perpendicular or the uneven phenomenon in second screw head bottom between the bottom surface of second screw head and the second screw rod, in the installation, can have the inhomogeneous phenomenon in clearance between second screw head bottom surface and the open slot lateral wall, the cross-section of spring fastener is circular, it has the characteristics of ductility, elasticity and high strength, it is stopped in the clearance between second screw head bottom surface and the open slot lateral wall, can effectively solve the problem that the joint strength and the assembly precision descend because of above-mentioned error brings between corner connection piece and the section bar.

Drawings

Fig. 1 is a schematic diagram of a first embodiment.

Fig. 2 is an exploded view of an embodiment of an application in a cabinet.

Fig. 3 is a schematic connection diagram of an embodiment of an application in a cabinet.

FIG. 4 is a diagram illustrating a second embodiment.

Fig. 5 is an exploded view of the cabinet according to the second embodiment.

Fig. 6 is a schematic view of a shield cover.

Fig. 7 is a schematic view of a cabinet.

Fig. 8 is a schematic view of a spring catch.

Detailed Description

The present invention will be described with reference to the accompanying drawings and embodiments.

The first embodiment is as follows:

as shown in fig. 1-3, a profile corner connector 1 for connecting with a cabinet profile comprises a base 2 and three connecting portions for connecting with the cabinet profile 3 in different directions, wherein the connecting portions are arranged on the base 2, and the three connecting portions are two first connecting portions and one second connecting portion respectively. An opening groove 4 with the top and the front side surface communicated with each other is arranged on the base 2, and a blocking cover 5 used for blocking the opening groove 4 is arranged at the opening groove 4.

In the present embodiment, the two first connecting portions are respectively disposed on the rear side and the bottom of the base 2, and the second connecting portion is disposed on one side wall of the base 2. Three directional cabinet profiles 3 can be connected.

First connecting portion stretch out outward and be used for pegging graft connector 6 on 3 terminal surfaces of cabinet body section bar and set up the first connecting hole 7 that is located this connector 6 on the lateral wall at base 2 including the one side from base 2, be equipped with first screw 8 in the first connecting hole 7, first connecting portion correspond first screw 8 and are equipped with and keep away dead slot 9, it is the circular arc groove to keep away dead slot 9, the terminal surface of cabinet body section bar 3 pastes with the lateral wall at connector 6 place mutually, first screw 8 is first self tapping screw, the terminal surface of cabinet body section bar 3 corresponds first self tapping screw and is equipped with first pre-tapping hole 20. The clearance groove 9 not only has the function of the first clearance screw 8, but also can be convenient for distinguishing the directionality of the connecting body 6, and the connecting body 6 can be conveniently inserted into the end face of the cabinet body section bar 3.

The second connecting portion includes a second connecting hole 10 formed in the sidewall of the open slot 4, the second connecting hole 10 and the first connecting hole 7 are formed in different sides of the base 2, and a second screw 11 is disposed in the second connecting hole 10. The second screw 11 is the second self tapping screw, the second self tapping screw includes second screw head 12, the second screw thread section and establishes the second location section 13 between second screw head 12 and the second screw thread section, second location section 13 is established in second connecting hole 10, the diameter and the second connecting hole 10 phase-match of second location section 13, second screw head 12 is established in open slot 4, be equipped with spring fastener 14 between the open slot 4 lateral wall at second screw head 12 and second connecting hole 10 place.

The corner connection piece utilizes the fixing mode of the second connecting part and the cabinet body section bar to be: the second self-tapping screw is arranged in the second connecting hole 10, a second thread section of the second self-tapping screw extends out of the outer side of the corner connecting piece and is in threaded connection with a threaded hole in the end face of the cabinet body section bar 3, and the second screw head 12 is located on the inner side of the open slot 4 of the corner connecting piece 1 and abuts against the inner wall of the open slot 4 through the spring clamping piece 14.

As shown in fig. 3 and 8, the spring clip 14 is formed by bending a spring steel wire with a circular cross section, the cross section of the spring steel wire is preferably 1mm, the spring clip 14 includes two wavy elastic sections 15 arranged at intervals and a connecting section 16 arranged at one end of the elastic section 15, two ends of the connecting section 16 are respectively connected with the ends of the two elastic sections 15, specifically, one end of the elastic section 15 extends to one side of the second screw head 12 to form an extending section 30, the tip of two extension sections 30 is connected respectively at the both ends of linkage segment 16, form the screw head installing zone between elastic segment 15, linkage segment 16 and the extension section 30, elastic segment 15 includes two trough units 32 and establishes crest unit 33 between two trough units 32, and the top of crest unit 33 is pasted mutually with the bottom of second screw head 12, and the bottom of trough unit 32 is pasted mutually with the lateral wall of open slot 4, forms the lead screw installing zone that supplies the second lead screw to pass between two elastic segment 15.

As shown in fig. 6, the blocking cover 5 includes a first sealing plate 17 and a second sealing plate 18 that are perpendicular to each other, a limiting circular truncated cone 19 is disposed on an inner side of one end of the first sealing plate 17, which is away from the second sealing plate 18, an insertion plate 20 that is parallel to the first sealing plate 17 is disposed on an inner side of the second sealing plate 18, two opposite side walls of an opening slot 4 of the corner connector 1 are respectively provided with an insertion slot 21, a top of the base 2 is provided with a limiting circular hole 22, two ends of the insertion plate 20 are respectively inserted into the two insertion slots 21, the first sealing plate 17 seals a top of the opening slot 4, the second sealing plate 18 seals a front side of the opening slot 4, and the limiting circular truncated cone 19.

Be equipped with on base 2 and be used for dodging the groove 23 of dodging of cabinet body shrouding 24, when corner connector 1 assembles on the cabinet body, avoid the interference of cabinet body shrouding 24 and the cabinet body.

Example two:

as shown in fig. 4 and 5, in the second embodiment, on the basis of the first embodiment, one more second connecting portion is added, and the two second connecting portions are respectively disposed on two opposite side walls of the open slot 4, so that the cabinet profiles 3 in four directions can be connected, as shown in fig. 4, which is a schematic view of the second embodiment applied to a cabinet. Fig. 7 is an overall schematic view of the cabinet.

(2) Because manufacturing error, the bottom surface that has the second screw head and the non-perpendicular or the uneven phenomenon in second screw head bottom between the second screw rod, the cross-section of spring fastener is circular, and it has ductility, elasticity and high strength's characteristics, establishes between second screw head bottom and open slot lateral wall, can effectively solve the problem that the joint strength and the assembly precision that lead to between corner connection piece and the section bar because of above-mentioned error descend.

(3) The corner connecting piece 1 adopts the fixing mode of the first connecting part and the cabinet body section bar 3 as follows: the connecting body 6 is inserted into the slot 21 corresponding to the end face of the cabinet body section bar 3, then the corner connecting piece 1 and the cabinet body section bar 3 are locked by utilizing the first self-tapping screw, and the connecting strength of the corner connecting piece 1 and the cabinet body section bar 3 is ensured by adopting a dual-fastening mode.

(4) The second locking screw is provided with a positioning section which is matched with the second connecting hole 10 on the corner connecting piece 1, and the cabinet body section bar 3 connected with the second self-tapping screw can be effectively limited to move in the radial direction of the second connecting hole 10.

(5) The notch of open slot 4 sets up and keeps off lid 5, can shelter from inside screw position, keeps off lid 5 preferably with the corner piece of plugging into 1 plastic parts of homochromy, and the whole effect is pleasing to the eye.

(6) All can open first connecting portion and second connecting portion in the non-notch direction of base 2, for example top surface and the leading flank on the base 2 link up, then other four faces all can set up connecting portion, are connected with the ascending cabinet body section bar 3 of four directions simultaneously.

(7) The section bar that corner connector 1 connects need not carry out 45 cutting, has avoided the assembly that cutting error brought not pleasing to the eye scheduling problem, has improved the machining efficiency of cabinet body section bar 3.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, but is intended to cover various modifications, combinations, and alternatives, which will be apparent to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides a be applied to locking spring fastener of screw which characterized in that: the spring fastener is formed by the spring steel wire is crooked, the spring fastener includes the wavy elastic segment that two intervals set up and establishes two linkage segment between the elastic segment, the one end at the elastic segment is established to the linkage segment, the tip of two elastic segments is connected respectively at the both ends of linkage segment, the elastic segment includes two trough units and establishes two crest unit between the trough unit, the screw is the second screw, the second screw includes second screw head and second screw pole, forms the screw pole installing zone that supplies the second screw pole to pass between two elastic segments.

2. The spring fastener applied to the looseness prevention of the screw according to claim 1, wherein: the section of the spring steel wire is circular.

3. The spring fastener applied to screw looseness prevention according to claim 2, wherein: the diameter of the spring steel wire is 1 mm.

4. The spring fastener applied to the looseness prevention of the screw according to claim 1, wherein: the top of the wave crest unit is attached to the bottom of the second screw head.

5. The spring fastener applied to screw looseness prevention according to claim 4, wherein: the one end of elasticity section extends to second screw head one side and forms the extension section, the tip of two extension sections is connected respectively at the both ends of linkage segment, form the screw head installing zone between elasticity section, linkage segment and the extension section.

6. A profile corner connector using the spring clip of claim 2, wherein: the corner piece of plugging into includes the base and is used for the second connecting portion be connected with the section bar, be equipped with the open slot that top and leading flank link up on the base, the second connecting portion are established on the base, the second connecting portion are including establishing second connecting hole on the open slot lateral wall, be equipped with in the second connecting hole the second screw, the second screw head is established in the open slot, the spring fastener is established between the open slot lateral wall at second screw head and second connecting hole place, the top of crest unit pastes with the bottom of second screw head, the bottom of trough unit pastes with the lateral wall of open slot mutually.

7. The profile corner connector according to claim 6, wherein: the second screw is the second self tapping screw, second screw head one end is kept away from to the second self tapping screw and is equipped with the second screw thread section, be equipped with second location section between second screw head and the second screw thread section, the second location section is established in the second connecting hole, the diameter and the second connecting hole phase-match of second location section.