阅读说明：本技术 一种插拔式固定工装及工件的固定结构 (Fixed frock of plug-in and fixed structure of work piece ) 是由 冼世艺 严天 于 2021-07-13 设计创作，主要内容包括：本发明公开一种插拔式固定工装及工件的固定结构,插拔式固定工装用于将第二工件安装于第一工件且相互间隔设置,包括间隔体、第一连接部、以及第二连接部,其中,间隔体具有相对设置的第一端面和第二端面,第一端面和第二端面对应设置有第一抵接部和第二抵接部,第一抵接部和第二抵接部都具有呈曲面设置的抵接面,抵接面分别用以与对应的第一工件的第一工件端面和第二工件的第二工件端面抵接；第一连接部设置于第一端面,用以插入第一工件端面上的第一过孔；第二连接部设置于第二端面,用以伸出第二工件端面上的第二过孔。呈曲面设置的抵接面分别与两工件端面抵接,结构稳定且接触面积小,两工件电泳覆盖面广,抗腐蚀性好,且本工装可重复使用。(The invention discloses a plug-in fixing tool and a fixing structure of a workpiece, wherein the plug-in fixing tool is used for mounting a second workpiece on a first workpiece and is arranged at intervals, and comprises a spacing body, a first connecting part and a second connecting part, wherein the spacing body is provided with a first end surface and a second end surface which are arranged oppositely, the first end surface and the second end surface are correspondingly provided with a first abutting part and a second abutting part, the first abutting part and the second abutting part are both provided with abutting surfaces which are arranged in a curved surface manner, and the abutting surfaces are respectively used for abutting against the first workpiece end surface of the corresponding first workpiece and the second workpiece end surface of the corresponding second workpiece; the first connecting part is arranged on the first end surface and is used for being inserted into a first through hole on the end surface of the first workpiece; the second connecting part is arranged on the second end face and used for extending out of a second through hole in the end face of the second workpiece. The abutting surfaces arranged in a curved surface are abutted with the end surfaces of the two workpieces respectively, the structure is stable, the contact area is small, the electrophoresis covering surfaces of the two workpieces are wide, the corrosion resistance is good, and the tool can be repeatedly used.)

1. The utility model provides a frock is fixed to plug-in for install the second work piece in first work piece and mutual interval setting, its characterized in that, frock is fixed to plug-in includes:

the spacing body is provided with a first end face and a second end face which are oppositely arranged, a first abutting part and a second abutting part are correspondingly arranged on the first end face and the second end face, abutting faces which are arranged in a curved surface shape are arranged at free ends of the first abutting part and the second abutting part, and the abutting faces of the first abutting part and the second abutting part are respectively used for abutting against a first workpiece end face of the first workpiece and a second workpiece end face of the second workpiece;

the first connecting part is arranged on the first end face and is used for being matched with a first through hole in the end face of the first workpiece; and the number of the first and second groups,

and the second connecting part is arranged on the second end surface and is used for being matched with a second through hole on the end surface of the second workpiece.

2. The pluggable fixing tool according to claim 1, wherein a through connection hole is formed in the first end face, a connection rod is fixedly sleeved in the connection hole, a portion of the connection rod extending out of the first end face constitutes the first connection portion, and a portion of the connection rod extending out of the second end face constitutes the second connection portion.

3. The pluggable fixing tool according to claim 1, wherein a plurality of first abutting portions and a plurality of second abutting portions are provided;

the outer side of the spacing body is provided with a plurality of spheres, the parts of the spheres, which protrude out of the first end face, form a plurality of first abutting parts, and the parts of the spheres, which protrude out of the second end face, form a plurality of second abutting parts.

4. The pluggable fixing tool according to claim 1, wherein a first limiting portion is arranged at a free end of the first connecting portion, and the first limiting portion is used for limiting the first connecting portion to slide out of the first via hole.

5. The pluggable fixing tool according to claim 4, wherein the first connecting portion comprises two elastic arms disposed at a free end of the first connecting portion, the two elastic arms are disposed at intervals, and at least one of the elastic arms is disposed on the first limiting portion.

6. The pluggable fixing tool according to claim 5, wherein in an extending direction of the first connecting portion away from the spacing body, the two elastic arms include a first elastic section and a second elastic section which are arranged in a tapered manner, and the first limiting portion is arranged on the second elastic section.

7. The pluggable fixing tool according to claim 1, wherein a second limiting portion is disposed at a free end of the second connecting portion, and the second limiting portion is used for limiting the second workpiece to be separated from the second connecting portion.

8. The pluggable fixing tool according to claim 7, wherein the second limiting portion is arranged in a long shape on a plane where the cross section of the second limiting portion is located, so as to protrude out of the second connecting portion at least in the direction of the long side of the second limiting portion and in the lateral direction of the long side of the second limiting portion.

9. A fixing structure of a workpiece, comprising:

a first workpiece;

the second workpiece is arranged on the first workpiece and is arranged at an interval with the first workpiece; and the number of the first and second groups,

the plug-in fixing tool according to any one of claims 1 to 8.

10. The fixing structure of a workpiece according to claim 9, wherein the first workpiece is a vehicle body, and the second workpiece is a radiator cross member.

Technical Field

The invention relates to the technical field of electrophoresis, in particular to a plug-in fixing tool and a fixing structure of a workpiece.

Background

When the automobile body is subjected to electrophoresis, a water tank upper cross beam module (common steel) needs to be assembled, the water tank upper cross beam module needs to be disassembled when the automobile body is subjected to final assembly, and the water tank upper cross beam is assembled again after the parts in the front cabin are assembled. The electrophoresis has been passed on to the adoption bolt assembles the automobile body with the water tank entablature to traditional scheme, and there is the electrophoresis shielding water tank entablature because inboard panel beating laminating with the automobile body overlap joint department, leads to the binding face between the two not have the electrophoresis lacquer. The water tank entablature is dismantled again to the final assembly, reassembles water tank entablature module after the part of cabin the inside has been adorned, if the water tank entablature takes place the dislocation than original assembly position, leads to its binding face that does not have the electrophoresis lacquer to cover to leak 1.0 ~ 2.0mm outward, does not have binding face contact steam and the air of electrophoresis lacquer protection, very easily takes place the corrosion, has the quality hidden danger, brings a series of after-sale problems.

Disclosure of Invention

The invention mainly aims to provide a plug-in type fixing tool and a fixing structure of a workpiece, and aims to solve the problem that the existing water tank cross beam and an automobile body are easy to rust.

In order to achieve the above object, the present invention provides a plug-in fixing tool for mounting a second workpiece on a first workpiece, the plug-in fixing tool being spaced apart from the first workpiece, the plug-in fixing tool comprising:

the spacing body is provided with a first end face and a second end face which are oppositely arranged, a first abutting part and a second abutting part are correspondingly arranged on the first end face and the second end face, abutting faces which are arranged in a curved surface shape are arranged at free ends of the first abutting part and the second abutting part, and the abutting faces of the first abutting part and the second abutting part are respectively used for abutting against a first workpiece end face of the first workpiece and a second workpiece end face of the second workpiece;

the first connecting part is arranged on the first end face and is used for being matched with a first through hole in the end face of the first workpiece; and the number of the first and second groups,

and the second connecting part is arranged on the second end surface and is used for being matched with a second through hole on the end surface of the second workpiece.

Optionally, a through connection hole is formed in the first end face, a connection rod is fixedly sleeved in the connection hole, a portion of the connection rod extending out of the first end face forms the first connection portion, and a portion of the connection rod extending out of the second end face forms the second connection portion.

Optionally, a plurality of the first abutting portions and a plurality of the second abutting portions are provided;

the outer side of the spacing body is provided with a plurality of spheres, the parts of the spheres, which protrude out of the first end face, form a plurality of first abutting parts, and the parts of the spheres, which protrude out of the second end face, form a plurality of second abutting parts.

Optionally, a first limiting portion is disposed at a free end of the first connecting portion, and the first limiting portion is used for limiting the first connecting portion to slide out of the first via hole.

Optionally, the first connecting portion includes two elastic arms disposed at a free end of the first connecting portion, the two elastic arms are disposed at an interval, and at least one of the elastic arms is disposed at the first limiting portion.

Optionally, in an extending direction of the first connecting portion away from the spacer, the two elastic arms include a first elastic section and a second elastic section that are arranged in a tapered manner, and the first limiting portion is disposed on the second elastic section.

Optionally, a second limiting portion is disposed at a free end of the second connecting portion, and the second limiting portion is configured to limit the second workpiece from separating from the second connecting portion.

Optionally, the second limiting portion is disposed on a plane where the cross section of the second limiting portion is located in a long shape, so as to protrude out of the second connecting portion at least in the direction of the long side of the second limiting portion and in the lateral direction.

The invention also provides a plug-in fixing tool, which comprises:

a first workpiece;

the second workpiece is arranged on the first workpiece and is arranged at an interval with the first workpiece; and the number of the first and second groups,

foretell fixed frock of plug-in, the fixed frock of plug-in includes:

the spacing body is provided with a first end face and a second end face which are oppositely arranged, a first abutting part and a second abutting part are correspondingly arranged on the first end face and the second end face, abutting faces which are arranged in a curved surface shape are arranged at free ends of the first abutting part and the second abutting part, and the abutting faces of the first abutting part and the second abutting part are respectively used for abutting against a first workpiece end face of the first workpiece and a second workpiece end face of the second workpiece;

the first connecting part is arranged on the first end face and is used for being matched with a first through hole in the end face of the first workpiece; and the number of the first and second groups,

and the second connecting part is arranged on the second end surface and is used for being matched with a second through hole on the end surface of the second workpiece.

Optionally, the first workpiece is a car body, and the second workpiece is a water tank cross beam.

In the technical scheme of the invention, the first connecting part is inserted into the first through hole to avoid loosening, the first abutting part abuts against the end face of the first workpiece, the plug-in type fixing tool is stably arranged on the first workpiece, then the second workpiece is sleeved in the second connecting part through the second through hole to avoid loosening, the second abutting part abuts against the end face of the second workpiece, the second workpiece is also mounted, because the abutting surfaces of the first abutting part and the second abutting part are arranged in a curved surface which is in contact with the end surface, the contact area is small, when the first workpiece and the second workpiece are subjected to electrophoresis, the electrophoresis coverage is sufficient, the corrosion resistance of the first workpiece and the second workpiece is improved, and this frock is because the fixed mode of plug-in, even glue electrophoretic paint and do not influence the function yet, repeatedly usable.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of a plug-in fixing tool provided in the present invention;

fig. 2 is a schematic front view of the plug-in fixing tool in fig. 1;

FIG. 3 is a schematic side view of the pluggable fixing tool shown in FIG. 1;

FIG. 4 is a schematic top view of the pluggable fixing tool shown in FIG. 1;

fig. 5 is a schematic structural view illustrating the plug-in fixing tool in fig. 1 installed in cooperation with a first workpiece and a second workpiece;

fig. 6 is a schematic structural view of the plug-in fixing tool in fig. 1, which is installed in cooperation with a water tank cross beam and a vehicle body.

The reference numbers illustrate:

the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that, if directional indication is involved in the embodiment of the present invention, the directional indication is only used for explaining the relative positional relationship, the motion situation, and the like between the components in a certain posture, and if the certain posture is changed, the directional indication is changed accordingly.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

When the automobile body is subjected to electrophoresis, a water tank upper cross beam module (common steel) needs to be assembled, the water tank upper cross beam module needs to be disassembled when the automobile body is subjected to final assembly, and the water tank upper cross beam is assembled again after the parts in the front cabin are assembled. The electrophoresis has been passed on to the adoption bolt assembles the automobile body with the water tank entablature to traditional scheme, and there is the electrophoresis shielding water tank entablature because inboard panel beating laminating with the automobile body overlap joint department, leads to the binding face between the two not have the electrophoresis lacquer. The water tank entablature is dismantled again to the final assembly, reassembles water tank entablature module after the part of cabin the inside has been adorned, if the water tank entablature takes place the dislocation than original assembly position, leads to its binding face that does not have the electrophoresis lacquer to cover to leak 1.0 ~ 2.0mm outward, does not have binding face contact steam and the air of electrophoresis lacquer protection, very easily takes place the corrosion, has the quality hidden danger, brings a series of after-sale problems.

In view of the above, the invention provides a plug-in fixing tool and a fixing structure of a workpiece, which solve the problem that the existing water tank beam and the automobile body are easy to rust. Fig. 1 to 5 are views showing an embodiment of a plug-in fixing tool provided by the present invention, and fig. 6 is a view showing an embodiment of a water tank beam provided by the present invention mounted on a vehicle body through the plug-in fixing tool.

Referring to fig. 1, the pluggable fixing tool 100 is used for mounting a second workpiece 300 on a first workpiece 200 at an interval, and includes a spacer 1, a first connecting portion 2, and a second connecting portion 3, wherein the spacer 1 has a first end surface 11 and a second end surface 12 that are oppositely disposed, the first end surface 11 and the second end surface 12 are correspondingly provided with a first abutting portion 111 and a second abutting portion 121, both the first abutting portion 111 and the second abutting portion 121 have abutting surfaces that are curved, and the abutting surfaces are respectively used for abutting against a first workpiece end surface 201 of the first workpiece 200 and a second workpiece end surface 301 of the second workpiece 300; the first connecting portion 2 is disposed on the first end surface 11, and the first connecting portion 2 is used for being inserted into a first via hole 202 on a first workpiece end surface 201; the second connecting portion 3 is disposed on the second end surface 12, and the second connecting portion 3 is used to extend out of the second via hole 302 on the second workpiece end surface 301.

In the technical solution of the present invention, the first connecting portion 2 is inserted into the first via hole 202 to avoid loosening, the first abutting portion 111 abuts against the first workpiece end surface 201, the plug-in fixing tool 100 is stably mounted on the first workpiece 200, then the second workpiece 300 is sleeved into the second connecting portion 3 through the second via hole 302 to avoid loosening, the second abutting portion 121 abuts against the second workpiece end surface 301, and the second workpiece 300 is also mounted, because the abutting surfaces of the first abutting portion 111 and the second abutting portion 121 are curved, the curved surface contacts with the end surface, the contact area is small, when the first workpiece 200 and the second workpiece 300 are subjected to electrophoresis, the electrophoresis coverage is sufficient, the corrosion resistance of the first workpiece 200 and the second workpiece 300 is improved, and the tool is in a plug-in fixing manner, even if the electrophoretic paint is adhered, the function is not influenced, and the electrophoretic paint can be repeatedly used.

Specifically, referring to fig. 1 to 4, a through connection hole is disposed on the first end surface 11, the connection hole is fixedly sleeved on a connection rod, a portion of the connection rod extending out of the first end surface 11 forms the first connection portion 2, and a portion of the connection rod extending out of the second end surface 12 forms the second connection portion 3. Simple structure, small and exquisite, simple manufacture can be by the factory according to the demand self-control, and resources in the rational utilization factory reduce outsourcing processing cost and commodity circulation cost.

It should be noted that, the first connection portion 2 and the second connection portion 3 are disposed on the spacer 1, and the manner is not limited, and a plug pin may be inserted into the connection hole and then welded, or the connection hole is threaded and connected with a connection rod, of course, two connection rods may be welded to the first end surface 11 and the second end surface 12 respectively, and the two connection rods may be coaxial or non-coaxial, as long as the first connection portion 2 and the second connection portion 3 are inserted into the first via hole 202 and the second via hole 302 respectively, so as to ensure that the pluggable fixing tool 100 is not prone to shaking.

Referring to fig. 1 to 4, in an embodiment of the present invention, a plurality of the first abutting portions 111 and a plurality of the second abutting portions 121 are provided; a plurality of spherical bodies 13 are disposed on the outer side of the spacer 1, the portion of the plurality of spherical bodies 13 protruding from the first end surface 11 constitutes the first contact portion 111, the portion of the plurality of spherical bodies 13 protruding from the second end surface 12 constitutes the second contact portion 121, and the spherical surfaces of the plurality of spherical bodies 13 constitute the curved surface. According to the arrangement, the structure is simple, the tracks formed by the pressing between the spherical surface and the end surface are multiple, the contact area is small, after the second workpiece 300 is installed on the first workpiece 200, the electrophoresis coverage of the first workpiece 200 and the second workpiece 300 of the crusher is sufficient, and the possibility of rusting is reduced.

It should be noted that the number of the spheres 13 is not limited, in the present invention, three spheres 13 may be provided, so as to ensure that the first abutting portion 111 abuts against the first workpiece end surface 201 and is not prone to shake, and the second workpiece end surface 301 abuts against the second abutting portion 121 and is not prone to shake, thereby ensuring that the electrophoresis of the first workpiece 200 and the second workpiece 300 is stably performed.

It should be noted that, the specific form of the first abutting portion 111 and the second abutting portion 121 is not limited, and the first abutting portion 111 and the second abutting portion 121 may be provided with abutting surfaces that are arranged in a curved surface, for example, the first abutting portion 111 and the second abutting portion 121 may also be circular columns, the curved surface of the circular column is an abutting surface, and a track formed by the abutting surface abutting against the first workpiece end surface 201 and the second workpiece end surface 301 is a line.

Referring to fig. 1 and 5, in order to prevent the first connector from slipping out of the first via 202, a first position-limiting portion 22 is disposed at a free end of the first connection portion 2, and the first position-limiting portion 22 is used to limit the first connection portion 2 from slipping out of the first via 202, so as to ensure that electrophoresis of the first workpiece 200 and the second workpiece 300 is performed smoothly.

Further, referring to fig. 1 to 4, the first connecting portion 2 includes two elastic arms 21 disposed at a free end of the first connecting portion 2, the two elastic arms 21 are disposed at an interval, wherein at least one of the elastic arms 21 is disposed with the first position-limiting portion 22. So set up, two elastic arms 21 are inserting first via hole 202's in-process warp and are close to each other, make first spacing portion 22 follow the one end of first via hole 202 removes to the other end, when needing to demolish, apply certain pulling force can, simple structure, easy dismounting.

Referring to fig. 1 to 5, in order to facilitate the first connector to be inserted into the first via 202, in the extending direction of the first connecting portion 2 away from the spacer 1, the two elastic arms 21 include a first elastic section 211 and a second elastic section 212 that are tapered, and the first position-limiting portion 22 is disposed on the second elastic section 212. With such an arrangement, the second elastic section 212 can be quickly inserted into the first via hole 202, thereby improving the installation efficiency.

Referring to fig. 5, in order to ensure that the first connecting element slides smoothly in the first via hole 202, a limiting sleeve 203 is disposed on the first workpiece end surface 201, and an inner hole of the limiting sleeve 203 is disposed opposite to the first via hole 202, so as to avoid that the first connecting element is shaken greatly due to the fact that the thickness of the first workpiece end surface 201 is small and the aperture of the first via hole 202 is large.

Referring to fig. 1 and 5, in order to prevent the second workpiece 300 from being separated from the second connecting portion 3 after the second via hole 302 is sleeved on the second connecting portion 3, a second limiting portion 31 is disposed at a free end of the second connecting portion 3, and the second limiting portion 31 is used for limiting the second workpiece 300 to be separated from the second connecting portion 3. The electrophoresis of the first workpiece 200 and the second workpiece 300 is ensured to be smoothly performed.

Specifically, referring to fig. 2 to 5, the second position-limiting portion 31 is disposed in a long shape on a plane where a cross section thereof is located, so as to protrude from the second connecting portion 3 at least in a direction where a long side thereof is located and laterally. So set up, need install during the second work piece 300, make the second via hole 302 is just right the spacing portion 31 of second guarantees the spacing portion 31 of second can pass the second via hole 302, the back of finishing the installation rotates the spacing portion 31 of second makes the long limit of the spacing portion 31 of second has the projection on the second work piece terminal surface 301, the installation and the fixed mode of second work piece 300 are simple, raise the efficiency.

The present invention further provides a fixing structure of a workpiece, which includes all technical features of the above-mentioned pluggable fixing tool 100, and therefore, the present invention also has technical effects brought by all the technical features, and details are not repeated herein.

Specifically, referring to fig. 6, in an embodiment of the fixing structure of the workpiece according to the present invention, the first workpiece 200 is a vehicle body, and the second workpiece 300 is a radiator cross beam, so that the electrophoretic coverage of the vehicle body and the radiator cross beam is wide, and the corrosion resistance of the vehicle body and the radiator cross beam is improved.

Compared with the prior art that the first workpiece 200 and the second workpiece 300 are fixedly connected through threads, the plug-in type installation mode of the plug-in type fixing tool 100 can ensure that the plug-in type fixing tool 100 can be repeatedly used, and cost is reduced.

Referring to fig. 2 to 5, the size of the pluggable fixing tool 100 according to the present invention will be described and limited. In the invention, the inner diameter of the limiting sleeve/nut 203 is r, the long side of the second via hole 302 is H, and the short side of the second via hole 302 is K. Specifically, it requires (D)₁－d₆)<r，d₂R ensures that the first connecting piece can be inserted into the inner hole of the limiting sleeve/nut 203; (D)₁+h₁-d₁)<r，d₂R ensures that the first limiting part 22 can smoothly pass through the limiting sleeve/nut 203;L₁＜L₂the weight of the first connecting part 2 can be reduced, the rigidity of the elastic arms 21 can be reduced, the two elastic arms 21 can be conveniently deformed and mutually closed, the connecting strength between the first connecting part and the second end face 12 of the spacing body can be ensured, and the welding is convenient; d₁＞r，(D₁－d₆)<r，d₂R, the first connecting part 2 can be clamped on the limiting sleeve 203, and the first connecting part 2 can smoothly slide in the first through hole 202. K<L₈<H，L₉<K to ensure that the second position-limiting portion 31 can pass through the second via hole 302, and meanwhile, to ensure that the second position-limiting portion 31 can clamp the second workpiece 300 after rotating.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.