CN220726804U - Sheet metal fixing part with plug-in structure - Google Patents

Abstract

A sheet metal fixing part with an inserting structure comprises a fastening device and an inserting piece. The fastening device comprises a main body, a head section and a clamping part. The body includes an insert portion, a catch. The buckles all include the guide section, support the top section. The plug connector comprises a plug board and a connecting clamp. The connecting clamp body, the clamp bottom, the limiting piece and the fixing support leg. Compared with the prior art, the elastic buckle is arranged, so that the obvious force value is attenuated when the buckle is inserted, the feedback is strong, and therefore whether the fastening device is inserted in place can be clearly determined. By arranging the plug-in part and the clamping part, the sealing performance is ensured while the structural strength is optimized. Meanwhile, reliable connection is guaranteed through the arrangement of the connecting clamp, and the detachment risk is reduced.

Description

Sheet metal fixing part with plug-in structure

Technical Field

The utility model relates to the technical field of fasteners, in particular to a sheet metal fixing part with an inserting structure.

Background

The fastener clip assembly disclosed in chinese utility model CN201910132348.9 includes a barrel configured to engage and be secured to a slot in a chassis. The barrel is configured to be secured to the slot based at least on the barrel including two or more protrusions. The protrusions are attached to the barrel along a top of each protrusion, and each protrusion is configured to bend along the top of the protrusion. Each tab is configured to bend in response to the barrel being inserted into the slot and then bend back to an initial position of each tab. The bottom of each tab engages the chassis to secure the barrel to the slot.

The above design, while achieving one-step assembly, still has the following problems: (1) the buckle of this scheme sets up and is inconvenient for plug after inserting, is unfavorable for maintenance or change part, realizes buckle deformation through the secondary rubber coating simultaneously, does not have obvious feedback after inserting the panel beating, can't confirm whether the buckle screens in place; (2) the side waterproof rubber coating arranged around the buckle has the risk of water leakage after multiple plugging; (3) the hooks provided on the clip can only fix the connection of the clip to the rib, and cannot fix the connection of the clip to the barrel, with the risk of disengaging the rib and clip together from the barrel.

Disclosure of Invention

In view of the above, the present utility model provides a sheet metal fixing member with an insertion structure, which can solve the above-mentioned problems.

A sheet metal fixing part with an inserting structure comprises a fastening device used for being fixed on the sheet metal part and an inserting piece inserted into the fastening device. The fastening device comprises a main body with a hollow interior, a head section positioned at one end of the main body, and a clamping part positioned at the other end of the main body. The main body comprises an insert part and four buckles which are positioned on two sides of the insert part in pairs. The buckles all comprise a guide section and an abutting section. The guide section is a part extending outwards from the head section and is a bevel edge, and the bevel edge faces the head section. The propping end is positioned at the position of the buckle, which is close to the clamping part, is connected with the guide section, and forms a folding angle facing the elastic deformation direction at the connecting position. The plug connector comprises a plug board and a connecting clamp arranged on the plug board. The connecting clamp comprises two clamp bodies which are axially symmetrically arranged, a clamp bottom which is connected with the two clamp bodies, four limiting sheets which are respectively positioned at two sides of the clamp bodies, and two fixing support feet which are respectively positioned at the free ends of the clamp bodies, which are far away from the clamp bottom. The two clamp bodies are integrally formed, and are curled at the clamp bottom to form two structures which are arranged at intervals in a face-to-face mode, and the clamp bottoms are used as symmetry axes to form axisymmetry. The four limiting sheets are respectively arranged on two sides of the two clamp bodies. Every spacing piece is bar sheet structure, and center department connects on the clamp body, both ends are the free end and are provided with the tooth of chamfer form respectively, and two free ends are crooked towards opposite direction, be close to the one end of pressing from both sides the end orientation press from both sides the symmetry axis of the clamp body is crooked, is close to another free end of fixed stabilizer blade is crooked in opposite directions.

Further, the fastening means is injection molded from plastic and integrally formed.

Further, the plug-in part is of a rectangular cylindrical structure, the inside of the plug-in part is hollow, and a jack is formed in the clamping part.

Further, the buckles are respectively located at two sides of the insert part in the length direction, and are elastic pieces extending from the head section to the clamping part and connected with the head section.

Further, the head section is an insertion end of the fastening device, an end with a circular cross section is integrally adopted, and guide inclined planes are arranged on two sides in the length direction.

Further, a sealing ring is arranged around the clamping part, and the sealing ring is made of rubber or foam cotton pads.

Further, the inserting plate comprises a rib plate used for fixing the connecting clamp and a panel connected to the rib plate, the rib plate is a rectangular plate inserted on the connecting clamp, the free end of the rib plate is a round head, the panel is a plate perpendicular to the rib plate, the connecting clamp is integrally formed by metal through stamping, and the connecting clamp is integrally of an axisymmetric structure formed by bending the connecting part serving as a symmetric axis.

Further, the fixing support leg is a free end of the clamp body and is bent in a direction away from the symmetry axis of the clamp body.

Compared with the prior art, the sheet metal fixing part with the plug-in structure has the advantages that the elastic buckle is arranged, the guide section and the propping section are utilized to guide and propp against when the fastening device is inserted into the sheet metal part, so that the obvious force value is attenuated when the fastening device is inserted, the feedback is stronger, whether the fastening device is inserted into place can be clearly determined, in addition, the elastic buckle enables the fastening device to be plugged in and pulled out for multiple times, the maintenance, the replacement of parts or the secondary use are facilitated, and the risk of fracture of the buckle is eliminated. Through setting up plug-in components portion with joint portion uses the staving plug-in components portion for the risk of no water leakage of body side, top is through setting up the sealing washer increases the water tightness, thereby has guaranteed sealing performance when optimizing structural strength. Meanwhile, through the arrangement of the connecting clamp, the inner barb structures in two directions of the limiting piece are utilized, meanwhile, the reliable connection between the connecting clamp and the rib plate and the plug-in part is ensured, and the separation risk is reduced.

Drawings

Fig. 1 is a schematic product structure of a sheet metal fixing part with an inserting structure.

Fig. 2 is an exploded view of the sheet metal fixing part with the plugging structure in fig. 1.

Fig. 3 is a schematic side view of the sheet metal fixing part with the plugging structure in fig. 1.

Fig. 4 is a schematic cross-sectional view of fig. 3 taken along section A-A.

Detailed Description

Specific embodiments of the present utility model are described in further detail below. It should be understood that the description herein of the embodiments of the utility model is not intended to limit the scope of the utility model.

Fig. 1 to 4 show schematic structural views of a sheet metal fixing part with an inserting structure according to the present utility model. The sheet metal fixing part with the plug-in structure comprises a fastening device 10 for fixing on the sheet metal part and a plug-in piece 20 inserted into the fastening device 10. It is conceivable that the sheet metal fixing part with the plugging structure further includes other functional modules, such as sheet metal parts, which are known to those skilled in the art, and will not be described herein.

The fastening device 10 comprises a body 11 which is hollow in the interior, a head section 12 at one end of the body 11, and a clamping portion 13 at the other end of the body 11. The fastening device 10 may be injection molded from plastic and integrally formed, thereby reducing manufacturing processes, reducing manufacturing costs, and also increasing manufacturing efficiency.

The main body 11 includes an insert part 111, and four pairs of snaps 112 located on both sides of the insert part 111. The insert part 111 has a rectangular cylindrical structure, and a hole is formed in the insert part 13 to insert the plug 20, but it is also conceivable that the insert part 111 may be a circular cylinder. The buckles 112 are respectively located at two sides of the insert 111 in the length direction, are elastic members extending from the head section 12 to the clamping portion 13 and connected to each other, and each include a guiding section 1121 and a propping section 1122. The guiding section 1121 is a portion extending outwards from the head section 12, specifically, a bevel edge, and the bevel edge faces the head section 12, so that when the fastening device 10 is inserted into a sheet metal part, a guiding effect is generated to enable the fastener 112 to deform inwards, that is, two fasteners 112 located on the same side are close to each other, so that the fastening device 10 can be inserted into the sheet metal part smoothly. The propping end 1122 is located at the position of the buckle 112, which is close to the clamping part 13, and is connected with the guide section 1121, and forms a folding angle towards the elastic deformation direction at the connection position, the folding angle is preferably 90 ° -120 ° for propping against the edge of the inserted sheet metal part, so that the fastening device 10 cannot break away after the sheet metal part is inserted, and experiences obvious force attenuation in the insertion process, the possibility of fracture is reduced while feedback is enhanced, and in addition, the sheet metal part can be inserted and pulled for multiple times, and secondary disassembly is performed.

The head section 12 is an insertion end of the fastening device 10, and is integrally provided with an end 121 with a circular cross section, and guide inclined planes 122 are provided on both sides in the length direction, so as to perform a guiding function during insertion, thereby facilitating insertion into the insertion hole of the sheet metal part.

The clamping portion 13 is located at the other end of the main body 11 away from the head section 12, and has a plate-shaped structure, so as to cooperate with the buckle 112 by abutting against the sheet metal part, so as to fix the fastening device 10 on the sheet metal part. Meanwhile, a sealing ring 14 may be disposed around the clamping portion 13, and made of rubber, foam pad and other materials with sealing and elasticity, so that when the sheet metal part is sealed, the elasticity of the sealing ring 14 can enable the fastening device 10 not to generate gaps when the sheet metal part is clamped, and therefore the possibility of abnormal sound is avoided.

The plug-in connector 20 comprises a plug-in board 21 and a connecting clip 22 arranged on the plug-in board 21.

The insert plate 21 includes a rib 211 for fixing the connecting clip 22, and a panel 212 connected to the rib 211. The rib 211 is a rectangular plate inserted in the connecting clip 22, and has a rounded free end to facilitate insertion into the connecting clip 22 and the insert portion 111. The panel 212 is a plate perpendicular to the rib 211, and may be integrally formed with the rib 211, or may be fixed to the rib 211 by other connection methods, and the plate surface may be a smooth surface, or may be provided with a pattern or a pattern, which is not particularly limited herein.

The connecting clip 22 may be integrally formed by stamping metal, and integrally has an axisymmetric structure formed by bending the connecting portion as a symmetry axis. The connecting clip 22 comprises two axisymmetrically arranged clip bodies 221, a clip bottom 222 connected with the two clip bodies 221, four limiting pieces 223 respectively positioned at two sides of the two clip bodies 221, and two fixing support legs 224 respectively positioned at free ends of the clip bodies 221 away from the clip bottom 222. The two clamp bodies 221 are integrally formed and curled at the clamp bottom 222 to form a structure in which the two clamp bodies 221 are arranged face to face at intervals, and the two clamp bodies are axisymmetric with respect to the clamp bottom 222 as a symmetry axis so as to be connected and fixed when the plug connector 20 is inserted into the fastening device 10. The bottom 222 is a curved structure connecting the two clamp bodies 221, and the curved angle can be just clamped on the round head of the free end of the rib plate 211, so as to connect the two clamp bodies 221. Four spacing pieces 223 are respectively disposed at two sides of the clip body 211, each spacing piece 223 is in a strip-shaped sheet structure, the center is connected to the clip body 221, two ends are free ends and are respectively provided with inverted triangle teeth, the two free ends are bent towards opposite directions, one end close to the clip bottom is bent towards the symmetry axis of the clip body 221, and the other free end close to the fixing support leg 224 is bent reversely, so that the free ends are clamped when the rib plate 211 is inserted into the insert part 111, and the rib plate 211 cannot be separated easily. The fixing leg 224 is a free end of the clip body 221 and is bent in a direction away from the symmetry axis of the clip body 221, and it is conceivable that when an opening groove for placing the fixing leg 224 is provided at the opening of the insert portion 111, stability of the connecting clip 22 in the insert portion 111 can be ensured, so as to be suitable for a case where the connecting clip 22 is fixed to the fastening device 10 first and then the rib 211 is inserted.

Compared with the prior art, the sheet metal fixing part with the plug-in structure provided by the utility model has the advantages that the elastic buckle 112 is arranged, the guiding section 1121 and the propping section 1122 are utilized to conduct guiding and propping actions when the fastening device 10 is inserted into the sheet metal part, so that the obvious force value is attenuated when the fastening device 10 is inserted, the feedback is stronger, and therefore, whether the fastening device 10 is inserted into place can be clearly determined, in addition, the elastic buckle 112 enables the fastening device 10 to be plugged in and pulled out for multiple times, the maintenance, the replacement of parts or the secondary use are facilitated, and the risk of fracture of the buckle 112 is eliminated. Through setting up plug-in components portion 111 with joint portion 13, use the staving plug-in components portion 111 for the risk of body side no water leakage, the top is through setting up sealing washer 14 increases water tightness, thereby has guaranteed sealing performance when optimizing structural strength. Meanwhile, by arranging the connecting clip 22, the inner barb structures in two directions of the limiting piece 223 are utilized, and meanwhile, the reliable connection between the connecting clip 22 and the rib plate 211 and the plug-in part 111 is ensured, so that the separation risk is reduced.

The above is only a preferred embodiment of the present utility model and is not intended to limit the scope of the present utility model, and any modifications, equivalent substitutions or improvements within the spirit of the present utility model are intended to be covered by the claims of the present utility model.

Claims (8)

1. Sheet metal fixing part with plug-in structure, its characterized in that: the sheet metal fixing part with the plug-in structure comprises a fastening device used for being fixed on the sheet metal part and a plug-in part inserted into the fastening device, the fastening device comprises a main body with a hollow inside, a head section positioned at one end of the main body and a clamping part positioned at the other end of the main body, the main body comprises an plug-in part and four buckles positioned at two sides of the plug-in part in pairs, each buckle comprises a guide section and a propping section, the guide section is a part extending outwards from the head section, is a bevel edge, the bevel edge faces the head section, the propping end is positioned at the position of the buckle close to the clamping part, is connected with the guide section and forms a folding angle facing the elastic deformation direction at the connecting position, the plug-in part comprises a plug board, the connecting clamp comprises two clamp bodies which are axially symmetrically arranged, a clamp bottom which is connected with the two clamp bodies, four limiting sheets which are respectively positioned at two sides of the two clamp bodies, two fixing support legs which are respectively positioned at the free ends of the clamp bodies far away from the clamp bottom, the two clamp bodies are integrally formed and curled into a structure which is formed by the two clamp bodies at the clamp bottom in a surface-to-surface interval manner, the clamp bottom is axially symmetrical by taking the clamp bottom as a symmetrical axis, the four limiting sheets are respectively arranged at two sides of the two clamp bodies, each limiting sheet is of a strip-shaped sheet structure, the center of the limiting sheet is connected with the clamp bodies, the two ends of the limiting sheet are free ends and are respectively provided with inverted triangular teeth, the two free ends are bent towards opposite directions, one end which is close to the clamp bottom is bent towards the symmetrical axis of the clamp body, the other free end near the fixed leg is bent reversely.

2. The sheet metal fixing part with an insertion structure according to claim 1, wherein: the fastening device is injection molded from plastic and integrally formed.

3. The sheet metal fixing part with an insertion structure according to claim 1, wherein: the plug-in part is of a rectangular cylindrical structure, is hollow in the inside and is provided with a jack at the clamping part.

4. The sheet metal fixing part with an insertion structure according to claim 1, wherein: the buckles are respectively positioned at two sides of the plug-in part in the length direction and are elastic pieces which extend from the head section to the clamping part and are connected.

5. The sheet metal fixing part with an insertion structure according to claim 1, wherein: the head section is an insertion end of the fastening device, is integrally provided with an end with a circular section, and is provided with guide inclined planes at two sides in the length direction.

6. The sheet metal fixing part with an insertion structure according to claim 1, wherein: and a sealing ring is arranged around the clamping part and is made of rubber or foam cotton pads.

7. The sheet metal fixing part with an insertion structure according to claim 1, wherein: the inserting plate comprises a rib plate used for fixing the connecting clamp and a panel connected to the rib plate, the rib plate is a rectangular plate inserted into the connecting clamp, the free end of the rib plate is a round head, the panel is perpendicular to the plate arranged on the rib plate, the connecting clamp is integrally formed by metal through stamping, and the connecting clamp is integrally of an axisymmetric structure formed by bending the connecting part serving as a symmetric axis.

8. The sheet metal fixing part with an insertion structure according to claim 1, wherein: the fixed support leg is a free end of the clamp body and is bent towards a direction away from the symmetry axis of the clamp body.