CN209838888U - Projection welding type buckle positioning pin - Google Patents

Abstract

The utility model relates to a machine part technical field specifically is a projection welding formula buckle locating pin, including the flange base, the top surface edge of flange base installs a plurality of even equidistance and is the welding sand grip of cyclic annular range, and the welding sand grip is the cuboid form, and the center department of flange base inlays to establish and installs the joint post, and the joint post is kept away from a tip of flange base and is installed the footstock, and the quantity of welding sand grip is 3-4. The utility model discloses the draw-in groove that forms between well flange base and the footstock takes the clamping technology processing, wholly adopts cold extrusion one shot forming, and the technology is simpler when the assembly, and the quality is more stable, and production efficiency is higher, is suitable for batch production, and the structure is small and exquisite, save material, and production simple process, it is not high to the equipment power requirement, only need cooperate resistance welding machine to adopt the projection welding mode to realize the assembly, be fit for batch production, the steady quality is reliable, and the defect rate is extremely low.

Description

Projection welding type buckle positioning pin

Technical Field

The utility model relates to a machine part technical field specifically is a projection welding formula buckle locating pin.

Background

The positioning pin has the function of limiting the freedom degree of movement of the object, and has certain application in some mechanical movement equipment, and is mainly used for position determination based on two-dimensional space.

The positioning pin is also applied to a structural part on an automobile, the positioning pin of the traditional structure is generally applied to structural assembly in a riveting mode, but is required by riveting force, generally, the selected riveting equipment has large tonnage and low production efficiency, various appearance defects such as looseness, cracking and the like easily occur in production, the follow-up procedures need to be compensated by adopting full inspection and repair welding measures, the processing cost is high, unnecessary waste is caused, the positioning pin is of an integrated structure, and the positioning pin needs to be integrally replaced as long as damage occurs, and the cost is increased. In view of this, we provide a projection welding type snap positioning pin.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a projection welding formula buckle locating pin to it takes to examine entirely and repair welding measures to compensate now to present the locating pin to solve among the above-mentioned background art, and the processing cost is high, causes unnecessary extravagant, and the locating pin adopts the integral type structure, as long as the damage just must wholly change, increase cost's problem appears.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a projection welding formula buckle locating pin, includes the flange base, the top surface edge of flange base installs a plurality of even equidistance and is the welding sand grip of cyclic annular range, the welding sand grip is the cuboid form, the center department of flange base inlays to establish and installs the joint post, the joint post is kept away from the footstock is installed to a tip of flange base.

Preferably, the number of the welding convex strips is 3-4.

Preferably, the flange base comprises a lower disc body, a fixing seat is arranged at the top center shaft of the lower disc body, the inner side of the welding convex strip is connected with the outer wall of the fixing seat, a connecting through hole communicated with the fixing seat and the center of the lower disc body is formed in the center of the bottom of the lower disc body, and a fixing groove is formed in the center of the bottom of the lower disc body.

Preferably, the diameter of the fixing groove is larger than that of the connecting through hole, and the connecting through hole is coaxially arranged with and communicated with the fixing groove.

Preferably, the clamping column comprises a cylindrical rod, an embedded base is arranged at one end of the cylindrical rod, a threaded rod is connected to one end, away from the embedded base, of the cylindrical rod, and the cylindrical rod and the threaded rod are of an integrally formed structure.

Preferably, the size of the embedded base is matched with that of the fixing groove, the diameter of the cylindrical rod is matched with that of the connecting through hole, and the cylindrical rod is matched with the connecting through hole in an inserting mode.

Preferably, the inner wall of the fixing groove is provided with a limiting groove, the outer wall of the cylindrical rod is provided with a limiting strip, and the limiting strip corresponds to the limiting groove in position, is adaptive to the size and is in clamping fit with the limiting groove.

Preferably, the footstock comprises an upper tray body, a thread groove is formed in the center of the upper tray body, and a sealing cover is arranged at the top of the upper tray body.

Preferably, the thread groove is matched with the size of the threaded rod, and the thread groove and the threaded rod are in threaded connection.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the clamping groove formed between the flange base and the top seat in the projection welding type buckle positioning pin is processed by adopting a clamping process, the whole process is formed in one step by adopting cold extrusion, the process is simpler during assembly, the quality is more stable, the production efficiency is higher, the projection welding type buckle positioning pin is suitable for batch production, the structure is small and exquisite, materials are saved, the production process is simple, the requirement on the power of equipment is not high, the assembly can be realized by only matching a resistance welding machine and adopting a projection welding mode, the projection welding type buckle positioning pin is suitable for batch production, the quality is stable and reliable.

2. According to the projection welding type buckle positioning pin, the cylindrical rod is in plug fit with the connecting through hole, so that the installation and the disassembly are convenient, and the angle locking is performed through the arranged limiting strip and the limiting groove, so that the relative rotation is prevented, and the structure is more stable; through the thread groove and the threaded rod threaded connection who sets up, will go up the disk body and be connected with the threaded rod, conveniently install and dismantle, can change alone after one of them part damages, practice thrift cost of maintenance, improve the speed of maintenance.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the flange base of the present invention;

fig. 3 is a schematic view of the flange base of the present invention;

fig. 4 is a schematic structural view of the clamping column of the present invention;

fig. 5 is a schematic structural view of the top seat of the present invention.

In the figure: 1. a flange base; 11. a lower tray body; 12. a fixed seat; 13. a connecting through hole; 14. fixing grooves; 15. a limiting groove; 2. welding the convex strips; 3. a clamping column; 31. a cylindrical rod; 32. an embedded base; 33. a threaded rod; 34. a limiting strip; 4. a top seat; 41. an upper tray body; 42. a thread groove; 43. and (7) sealing the cover.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Example 1

The utility model provides a projection welding formula buckle locating pin, as shown in figure 1 and figure 2, including flange base 1, flange base 1's top surface edge installs a plurality of even equidistance and is the welding sand grip 2 that cyclic annular was arranged, and welding sand grip 2 is the cuboid form, and flange base 1's center department inlays to establish and installs joint post 3, and joint post 3 keeps away from a tip of flange base 1 and installs footstock 4.

Further, the number of the welding protrusions 2 is 3 to 4, and it should be noted that, as a preferred embodiment, the number of the welding protrusions 2 is 4, and each welding protrusion 2 is formed by cold extrusion, which effectively ensures the consistency of the sizes of the protrusions, thereby ensuring the welding quality.

The draw-in groove that forms between flange base 1 and the footstock 4 in the projection welding formula buckle locating pin of this embodiment takes the clamping technology processing, wholly adopts cold extrusion one shot forming, and the technology is simpler when the assembly, and the quality is more stable, and production efficiency is higher, is suitable for batch production, and projection welding formula buckle locating pin structure is small and exquisite, and save material, and production technology is simple, and is not high to the equipment power requirement, only needs to cooperate resistance welder to adopt the projection welding mode to realize the assembly, is fit for batch production, and the steady quality is reliable, and the defect rate is extremely low.

Example 2

As a second embodiment of the present invention, as shown in fig. 2 and fig. 3, the flange base 1 includes a lower tray body 11, the top center axis of the lower tray body 11 is provided with a fixing seat 12, the inner side of the welding convex strip 2 is connected to the outer wall of the fixing seat 12, the center of the fixing seat 12 and the lower tray body 11 is provided with a connecting through hole 13 communicated with each other, and the bottom center of the lower tray body 11 is provided with a fixing groove 14.

Further, the diameter of the fixing groove 14 is larger than that of the connecting through hole 13, and the connecting through hole 13 and the fixing groove 14 are coaxially arranged and communicated, so that the installation is convenient.

As shown in fig. 4, the clamping column 3 includes a cylindrical rod 31, an embedded base 32 is disposed at one end of the cylindrical rod 31, a threaded rod 33 is connected to one end of the cylindrical rod 31 far away from the embedded base 32, and the cylindrical rod 31 and the threaded rod 33 are of an integrally formed structure, so that the structure is more stable.

Specifically, the size of the embedded base 32 is matched with the size of the fixing groove 14, the diameter of the cylindrical rod 31 is matched with that of the connecting through hole 13, and the cylindrical rod 31 is matched with the connecting through hole 13 in an inserted mode, so that the embedded base is convenient to mount and dismount.

In addition, seted up spacing groove 15 on the inner wall of fixed slot 14, installed spacing 34 on the outer wall of cylinder pole 31, spacing 34 is corresponding with spacing groove 15's position, size looks adaptation and joint cooperation, carries out the angle lock and dies, prevents to take place relative rotation.

As shown in fig. 5, the top seat 4 includes an upper disc 41, a thread groove 42 is formed in the center of the upper disc 41, and a sealing cover 43 is disposed on the top of the upper disc 41 for easy installation and removal.

It should be noted that the thread groove 42 is matched with the threaded rod 33 in size, and the two are in threaded connection, so that the upper disc body 41 with different models can be replaced conveniently.

The projection welding type buckle positioning pin is convenient to mount and dismount by inserting and matching the cylindrical rod 31 and the connecting through hole 13, and is locked at an angle by the limiting strip 34 and the limiting groove 15, so that relative rotation is prevented, and the structure is more stable; through the thread groove 42 and the threaded rod 33 threaded connection who sets up, be connected upper disc body 41 and threaded rod 33, conveniently install and dismantle, can change alone after one of them part damages, practice thrift cost of maintenance, improve the speed of maintenance.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (9)

1. The utility model provides a projection welding formula buckle locating pin which characterized in that: including flange base (1), the top surface edge of flange base (1) installs welding sand grip (2) that a plurality of even equidistance are cyclic annular range, welding sand grip (2) are the cuboid form, the center department of flange base (1) inlays to establish and installs joint post (3), keep away from joint post (3) footstock (4) are installed to a tip of flange base (1).

2. The projection welded snap locating pin of claim 1, wherein: the number of the welding convex strips (2) is 3-4.

3. The projection welded snap locating pin of claim 1, wherein: the flange base (1) comprises a lower disc body (11), a fixing seat (12) is arranged at the top center shaft of the lower disc body (11), the inner side of a welding convex strip (2) is connected with the outer wall of the fixing seat (12), a connecting through hole (13) communicated with the fixing seat (12) and the center of the lower disc body (11) is formed in the center of the fixing seat (12), and a fixing groove (14) is formed in the center of the bottom of the lower disc body (11).

4. The projection welded snap locating pin of claim 3, wherein: the diameter of the fixing groove (14) is larger than that of the connecting through hole (13), and the connecting through hole (13) and the fixing groove (14) are coaxially arranged and communicated.

5. The projection welded snap locating pin of claim 4, wherein: the clamping column (3) comprises a cylindrical rod (31), an embedded base (32) is arranged at one end of the cylindrical rod (31), a threaded rod (33) is connected to one end, far away from the embedded base (32), of the cylindrical rod (31), and the cylindrical rod (31) and the threaded rod (33) are of an integrally formed structure.

6. The projection welded snap locating pin of claim 5, wherein: the size of the embedded base (32) is matched with that of the fixing groove (14), the diameter of the cylindrical rod (31) is matched with that of the connecting through hole (13), and the cylindrical rod (31) is matched with the connecting through hole (13) in an inserted mode.

7. The projection welded snap locating pin of claim 6, wherein: the inner wall of the fixing groove (14) is provided with a limiting groove (15), the outer wall of the cylindrical rod (31) is provided with a limiting strip (34), and the limiting strip (34) corresponds to the limiting groove (15) in position, is adaptive to size and is in clamping fit with the limiting groove.

8. The projection welded snap locating pin of claim 7, wherein: the footstock (4) comprises an upper disc body (41), a thread groove (42) is formed in the center of the upper disc body (41), and a sealing cover (43) is arranged at the top of the upper disc body (41).

9. The projection welded snap locating pin of claim 8, wherein: the thread groove (42) is matched with the size of the threaded rod (33), and the two are in threaded connection.