CN214081063U

CN214081063U - Novel spacing formula fixed spring round pin seat of not damaged

Info

Publication number: CN214081063U
Application number: CN202022949265.XU
Authority: CN
Inventors: 肖龙飞; 韩李梅; 孙瑞妮; 谢昌江
Original assignee: Cotex China Composite Materials Co ltd
Current assignee: Cotex China Composite Materials Co ltd
Priority date: 2020-12-08
Filing date: 2020-12-08
Publication date: 2021-08-31
Anticipated expiration: 2030-12-08

Abstract

The utility model discloses a novel spacing formula fixed spring key seat of not damaged. Comprises a pin boss body, an adjusting knob, a connecting rod and a positioning block; the pin seat body is of a U-shaped structure formed by connecting a first supporting plate, a transverse plate and a second supporting plate; the connecting rod penetrates through the transverse plate and is parallel to the second supporting plate; two ends of the connecting rod are respectively connected with the adjusting knob and the positioning block; the adjusting knob is used for driving the positioning block to move along the length direction of the connecting rod; the positioning block is connected with the second supporting plate in a sliding manner; the second supporting plate is provided with a convex structure used for generating force vertical to the movement direction of the positioning block; the positioning block generates pressure perpendicular to the moving direction of the workpiece to be fixed and is used for fixing the workpiece. The utility model changes the point contact of the traditional positioning pin into surface contact, which enlarges the contact area and reduces the surface abrasion of the parts; the utility model discloses a novel spacing fixed spring key seat of not damaged simple structure, low in manufacturing cost, and assembly convenient to use have promoted work efficiency greatly.

Description

Novel spacing formula fixed spring round pin seat of not damaged

Technical Field

The utility model relates to a locating pin technical field, concretely relates to novel spacing formula fixed spring key seat of not damaged.

Background

In the modern mechanical industry, a small fixing pin seat is required for clamping or fixing workpieces or parts in large and small parts, which are necessary during manufacturing or machine operation.

The existing fixing pin seat mainly uses screw threads, when the screw descends to gradually jack a workpiece in the process of screwing down the screw and coinciding and descending the threads, the workpiece is subjected to a point contact action of seizure, and therefore the purpose of fixing and limiting the workpiece parts is achieved. However, the working principle of screw jacking causes point contact with parts in direct contact, which inevitably causes high and large abrasion and deformation of the parts, and then causes unnecessary damage.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel nondestructive limiting type fixed spring pin seat with simple structure and low cost; the utility model discloses a novel spacing fixed spring key seat of not damaged can significantly reduce to the wearing and tearing of work piece, and improves work efficiency.

The utility model discloses a realize through following technical scheme:

a novel nondestructive limiting type fixed spring pin boss is characterized by comprising a pin boss body, an adjusting knob, a connecting rod and a positioning block; the pin boss body is of a U-shaped structure formed by connecting a first supporting plate, a transverse plate and a second supporting plate; the connecting rod penetrates through the transverse plate and is parallel to the second supporting plate; two ends of the connecting rod are respectively connected with the adjusting knob and the positioning block; the adjusting knob is used for driving the positioning block to move along the length direction of the connecting rod; the positioning block is connected with the second supporting plate in a sliding manner; the second supporting plate is provided with a protruding structure used for generating force perpendicular to the movement direction of the positioning block; the positioning block generates pressure perpendicular to the movement direction of a workpiece to be fixed and is used for fixing the workpiece. Specifically, the positioning block is arranged inside a U-shaped structure of the pin boss body; the positioning block is driven to move up and down along the length direction of the connecting rod (namely the positioning block is driven to move in the vertical direction) by rotating the adjusting knob; when the positioning block moves to the protruding structure, the protruding structure protrudes out of the plane of the second supporting plate, so that the protruding structure can generate extrusion force perpendicular to the movement direction of the positioning block, the positioning block applies the extrusion force generated by the protruding structure to a workpiece to be fixed, the purpose of extruding and fixing the workpiece is achieved, and the workpiece is convenient to process.

Furthermore, the pin boss body is a U-shaped structure integrally formed by a first supporting plate, a transverse plate and a second supporting plate made of steel materials. Preferably, will first backup pad, the diaphragm with the second backup pad adopts steel material integrated into one piece can greatly increased the structural strength of key seat body can not damage easily, can be durable for a long time.

Furthermore, the adjusting knob and the connecting rod are integrally formed by adopting a steel material; the connecting rod is rotatably connected with the transverse plate; the connecting rod is provided with a thread structure; a threaded hole penetrating through the positioning block is formed in the positioning block; the connecting rod is connected in the threaded hole in a threaded mode. Preferably, the adjusting knob and the connecting rod are integrally formed by steel materials so as to greatly increase the structural strength of the adjusting knob and the connecting rod. Specifically, the connecting rod is in threaded connection in the threaded hole to form a screw rod structure, the adjusting knob drives the connecting rod to rotate, and the connecting rod drives the positioning block to move in the length direction of the connecting rod after rotating, namely, to move up and down in the vertical direction.

Furthermore, a rotating groove is also formed in the transverse plate; the connecting rod runs through the rotating groove, and one end of the adjusting knob is located in the rotating groove. Specifically, the inner diameter of the rotating groove is slightly larger than the diameter of the adjusting knob, the adjusting knob can be limited in the rotating groove by the design, the position of the adjusting knob is prevented from being deviated in the rotating process, and therefore the position of the limiting block can be adjusted conveniently through the adjusting knob.

Further, the connecting rod on still be equipped with the spring, just the spring is located the diaphragm with between the locating piece. Specifically, two ends of the spring respectively abut against the positioning block and the transverse plate, and the spring plays a buffering role and also plays a stabilizing role for the positioning block.

Furthermore, the positioning block is of a cylindrical structure. In the aviation industry and the mechanical manufacturing operation industry, the most important is the precision and the surface process of parts and materials, while the original old mechanical positioning pin uses the working principle of screw jacking, the traditional positioning pin and the part to be fixed are in point contact with each other directly, and the point contact can cause great abrasion and deformation of the part and cause unnecessary damage; the utility model discloses in with the structure of locating piece design for the cylinder with the fixed change into face contact of point contact in the traditional locating pin for area of contact is bigger, lets the surface wear damage of part be almost zero.

Further, the protruding structure is a step protruding towards the positioning block; the step is arranged close to the transverse plate; the step is used for generating force perpendicular to the movement direction of the positioning block. Specifically, when the adjusting knob is driven to drive the positioning block to move towards the transverse plate, when the positioning block slides to the step along the second supporting plate, the positioning block continues to move towards the transverse plate, at this time, the positioning block slides to the step, and under the extrusion action of the step protruding out of the plane of the second supporting plate, the positioning block is extruded by the step to generate a force towards the first supporting plate (i.e., a force perpendicular to the connecting rod is generated), and then the force is applied to a part to be fixed through the positioning block, so that the part can be extruded and fixed between the first supporting plate and the positioning block.

Further, the transition position of the step and the second support plate is set to be an inclined plane. The purpose of this design is to make the locating piece facilitate sliding from the plane of the first support plate onto the step. Specifically, originally, the transition position between the step and the second support plate is a right angle, so that the positioning block is easily blocked when sliding from the second support plate to the step, and therefore, an inclined surface is arranged at the transition position between the step and the second support plate, the inclined surface has a guiding function, and the process that the positioning block slides from the second support plate to the step is smoother through the inclined surface.

Furthermore, an anti-skid structure is arranged on the adjusting knob. Preferably, the anti-slip structure is a plurality of stripes vertically arranged on the circumference of the adjusting knob. The purpose of this design lies in increasing the roughness on adjust knob surface to increase frictional force, prevent to skid at the in-process of rotatory adjust knob, thereby be convenient for rotate adjust knob, then do benefit to the realization the locating piece removes in the vertical direction, reaches the purpose fixed to the work piece.

Furthermore, a fixing plate for fixing the workpiece is also arranged on the first supporting plate; and the fixing plate is arranged along the length direction of the workpiece. In the actual use process, because the length of the workpiece to be fixed is longer, the fixing plate is connected to the first supporting plate, the fixing plate is also in a long strip structure, and the fixing plate is arranged along the length of the workpiece to be fixed, so that when the workpiece is fixed, the fixing plate can further support the workpiece, and the workpiece can be fixed conveniently.

The utility model has the advantages that:

the novel nondestructive limiting type fixed spring pin seat has the advantages that the accurate force fit with the threaded screws is achieved, the locating block with the cylindrical structure is used for limiting and fixing, the point contact fixing in the traditional locating pin is changed into surface contact, the contact area is larger, and the surface abrasion damage of the part is almost zero; the utility model discloses a novel spacing fixed spring key seat of not damaged its simple structure, low in manufacturing cost, and assembly convenient to use has promoted work efficiency greatly.

Drawings

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

FIG. 1 is a structural diagram of the novel nondestructive limiting type fixed spring pin boss of the present invention;

FIG. 2 is a diagram of the novel nondestructive limiting type fixed spring pin boss of the present invention used in cooperation with a workpiece;

FIG. 3 is a schematic structural view of the positioning block of the present invention;

fig. 4 is a schematic structural diagram of the middle pin boss body of the present invention.

In the figure: 1 pin boss body, 2 adjust knob, 3 connecting rods, 4 locating pieces, 5 springs, 6 workpieces, 7 fixed plates, 8 anti-skidding structures, 11 first supporting plates, 12 transverse plates, 13 second supporting plates, 14 inclined planes, 41 threaded holes, 121 rotating grooves and 131 steps.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in 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. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example 1

As shown in fig. 1-4, a novel damage-free limiting type fixed spring pin boss is characterized by comprising a pin boss body 1, an adjusting knob 2, a connecting rod 3 and a positioning block 4; the pin boss body 1 is of a U-shaped structure formed by integrally forming a first supporting plate 11, a transverse plate 12 and a second supporting plate 13 by adopting a steel material; the connecting rod 3 penetrates through the transverse plate 12 and is connected with the transverse plate in a rotating mode, and is parallel to the second supporting plate 13; the adjusting knob 2 and the connecting rod 3 are integrally formed by steel materials, and a threaded structure is arranged on the connecting rod 3; a threaded hole 41 is formed in the positioning block 4 in a penetrating mode, and the connecting rod 3 is connected in the threaded hole 41 in a threaded mode; the positioning block 4 can be driven to move along the length direction of the connecting rod 3 by rotating the adjusting knob 2; the positioning block 4 is connected with the second supporting plate 13 in a sliding manner; the second supporting plate 13 is provided with a convex structure for generating a force perpendicular to the movement direction of the positioning block 4; the positioning block 4 generates pressure perpendicular to the moving direction of the workpiece 6 to be fixed and is used for fixing the workpiece 6.

Preferably, the horizontal plate 12 is further provided with a rotating groove 121, the connecting rod 3 penetrates through the rotating groove 121, and one end of the adjusting knob 2 integrally formed with the connecting rod 3 is located in the rotating groove 121, so that the adjusting knob 2 can be limited to rotate only in the rotating groove 121, and the position deviation of the adjusting knob during the rotating process can be prevented. Preferably, the connecting rod 3 is further sleeved with a spring 5, and the spring 5 is located between the transverse plate 12 and the positioning block 4. Preferably, the positioning block 4 is of a cylindrical structure, the positioning block 4 of the cylindrical structure is used for limiting and fixing, point contact fixing in a traditional positioning pin is changed into surface contact, so that the contact area is larger, and the surface abrasion damage of the workpiece 6 is almost zero. Preferably, the above-mentioned protruding structure is a step 131 protruding towards the positioning block 4; the step 131 is arranged close to the transverse plate 12; the step 131 is used for generating a force perpendicular to the movement direction of the positioning block 4. Preferably, the transition between the step 131 and the second support plate 13 is set as a slope 14, and the process of sliding the positioning block from the second support plate to the step is smoother by setting the slope. Preferably, the adjusting knob 2 is further provided with an anti-slip structure 8, and the anti-slip structure 8 is a plurality of stripes vertically arranged on the circumference of the adjusting knob 2. Preferably, the first supporting plate 11 is further provided with a fixing plate 7 for fixing the workpiece 6; and the fixing plate 7 is arranged along the length direction of the workpiece 7.

The utility model discloses a novel spacing fixed spring key seat theory of operation of not damaged: in the actual use process, as shown in fig. 2, firstly, the positioning block 4 is adjusted to the lowest end by the adjusting knob 2 (i.e. the distance between the positioning block 4 and the transverse plate 12 is adjusted to the largest), then the workpiece 10 to be fixed is placed in the pin seat body 1 with the U-shaped structure, at this time, one side of the workpiece 10 abuts against the fixing plate 7, and the other side of the workpiece 10 contacts with the positioning block 4 with the cylindrical structure, but at this time, the positioning block 4 does not generate a pressing force on the workpiece 10, after the workpiece 10 is placed, the positioning block 4 is moved (i.e. moved upwards) towards the transverse plate 12 along the second supporting plate 13 by rotating the adjusting knob 2 under the action of the connecting rod 3 (lead screw principle), after the positioning block 4 slides on the second supporting plate 13 for a certain distance, the positioning block 4 slides to the step 131 through the inclined surface 14 with a guiding effect, because the step 131 protrudes out of the plane of the second supporting plate 13, therefore, under the compression of the step 131, the step 131 generates a force perpendicular to the moving direction of the positioning block 4 (i.e. perpendicular to the connecting rod 3), the positioning block 4 applies the force to the workpiece 10, and the workpiece 10 is compressed between the first supporting plate 11, the fixing plate 7 and the positioning block 4, i.e. the compression of the workpiece 10 is completed and the workpiece is fixed.

The above is that the preferred embodiment of the present invention is only used for explaining the present invention, and is not used for limiting the present invention. All obvious changes or variations led by the technical proposal of the utility model are still within the protection scope of the utility model.

Claims

1. A novel nondestructive limiting type fixed spring pin boss is characterized by comprising a pin boss body (1), an adjusting knob (2), a connecting rod (3) and a positioning block (4); the pin boss body (1) is of a U-shaped structure formed by connecting a first supporting plate (11), a transverse plate (12) and a second supporting plate (13); the connecting rod (3) penetrates through the transverse plate (12) and is parallel to the second supporting plate (13); two ends of the connecting rod (3) are respectively connected with the adjusting knob (2) and the positioning block (4); the adjusting knob (2) is used for driving the positioning block (4) to move along the length direction of the connecting rod (3); the positioning block (4) is connected with the second supporting plate (13) in a sliding manner; the second supporting plate (13) is provided with a convex structure which is used for generating force perpendicular to the movement direction of the positioning block (4); the positioning block (4) generates pressure perpendicular to the movement direction of a workpiece (6) to be fixed and is used for fixing the workpiece (6).

2. The novel damage-free limiting type fixed spring pin boss as claimed in claim 1, wherein the pin boss body (1) is a U-shaped structure integrally formed by a first support plate (11), a transverse plate (12) and a second support plate (13) by using steel materials.

3. The novel damage-free limiting type fixed spring pin boss as claimed in claim 1, wherein the adjusting knob (2) and the connecting rod (3) are integrally formed by steel materials; the connecting rod (3) is rotatably connected with the transverse plate (12); the connecting rod (3) is provided with a thread structure; a threaded hole (41) penetrating through the positioning block (4) is formed in the positioning block; the connecting rod (3) is in threaded connection with the threaded hole (41).

4. The novel damage-free limiting type fixed spring pin boss as claimed in claim 3, wherein the transverse plate (12) is further provided with a rotating groove (121); the connecting rod (3) penetrates through the rotating groove (121), and one end of the adjusting knob (2) is located in the rotating groove (121).

5. The novel damage-free limiting type fixed spring pin boss as claimed in claim 3, wherein a spring (5) is further sleeved on the connecting rod (3), and the spring (5) is located between the transverse plate (12) and the positioning block (4).

6. The novel damage-free limiting type fixed spring pin boss as claimed in claim 3, wherein the positioning block (4) is a cylinder structure.

7. The novel damage-free limiting type fixed spring pin boss as claimed in claim 1, wherein the protruding structure is a step (131) protruding towards the positioning block (4); the step (131) is arranged close to the transverse plate (12); the step (131) is used for generating force perpendicular to the movement direction of the positioning block (4).

8. The novel damage-free limiting type fixed spring pin holder as claimed in claim 7, wherein the transition between the step (131) and the second support plate (13) is a bevel (14).

9. The novel damage-free limiting type fixed spring pin boss as claimed in claim 1, wherein the adjusting knob (2) is provided with an anti-skid structure (8).

10. The novel damage-free limiting type fixed spring pin boss as claimed in claim 1, wherein a fixing plate for fixing the workpiece (6) is further arranged on the first supporting plate (11); and the fixing plate is arranged along the length direction of the workpiece.