CN211073305U - Directional clamping device of flat square pin shaft - Google Patents
Directional clamping device of flat square pin shaft Download PDFInfo
- Publication number
- CN211073305U CN211073305U CN201921868653.6U CN201921868653U CN211073305U CN 211073305 U CN211073305 U CN 211073305U CN 201921868653 U CN201921868653 U CN 201921868653U CN 211073305 U CN211073305 U CN 211073305U
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- hole
- pin shaft
- side wall
- guide rod
- clamping device
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Abstract
The directional clamping device for the flat square pin shaft comprises a positioning guide rod, wherein a hole is formed in one end of the positioning guide rod along the length direction of the guide rod, at least one through groove is formed in one side wall of the hole, a pressing piece is arranged in the through groove, one part of the pressing piece is located in the hole, a spring plate covers one side, away from the hole, of the pressing piece, a limiting sleeve is further sleeved on the outer side wall of the end of the positioning guide rod, and a pin shaft abutted to the spring plate is arranged on the limiting sleeve. The utility model discloses when the assembly flat side round pin axle, the shell fragment produces elastic deformation under the pressure of round pin axle to compress tightly the casting die, final casting die compresses tightly flat side one side of flat side round pin axle through the precompression, makes the direction of flat side round pin axle fixed, simple structure, the assembly precision is high, and wearing and tearing are little, and the suitability is strong.
Description
Technical Field
The utility model relates to a round pin axle assembly technique of auto industry specifically is a directional clamping device of flat side's round pin axle.
Background
At present, when a flat square pin shaft is assembled, or the shape of an assembly hole is matched with that of the flat square pin shaft by adopting the maximum entity orientation of the flat square, but the precision of the orientation is poor; or the air cylinder clamping mode is adopted, but the guide surface of the clamping part is easy to wear, the mechanism size is large, and the adaptability is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that, overcome above-mentioned defect, provide a directional clamping device of flat square pin axle that directional precision is high, strong adaptability.
The utility model discloses the technical scheme who will adopt is: the directional clamping device for the flat square pin shaft comprises a positioning guide rod, wherein a hole is formed in one end of the positioning guide rod along the length direction of the guide rod, at least one through groove is formed in one side wall of the hole, a pressing piece is arranged in the through groove, one part of the pressing piece is located in the hole, a spring plate covers one side, away from the hole, of the pressing piece, a limiting sleeve is further sleeved on the outer side wall of the end of the positioning guide rod, and a pin shaft abutted to the spring plate is arranged on the limiting sleeve.
According to the scheme, when the flat square pin shaft is assembled, the flat square pin shaft is inserted into a hole of the positioning guide rod, one side of the flat square pin shaft is in contact with the pressing piece, then the pressing piece is sleeved with the limiting sleeve, the elastic piece generates elastic deformation under the pressure of the pin shaft, the pressing piece is pressed tightly, and finally the pressing piece presses one side of the flat square pin shaft through the pre-pressure force, so that the direction of the flat square pin shaft is fixed.
Preferably, the through groove is perpendicular to the axis of the positioning guide rod; the casting die is a roller, and the roller is arranged in the through groove.
In the arrangement, the through groove is vertical to the axis of the positioning guide rod, the pressing piece is arranged as the roller, and when the flat square pin shaft is inserted, the pressing piece and one flat side of the flat square pin shaft are in rolling friction, so that the abrasion of the flat square pin shaft can be reduced.
Preferably, the side wall of the hole provided with the through groove is a plane side wall, and the plane side wall is provided with two through grooves; the side wall of the limiting sleeve is provided with two through holes, the pin shaft penetrates through the two through holes and is fixed on the limiting sleeve, and the pin shaft is abutted against the elastic sheet and presses the middle part of the elastic sheet on the plane side wall; and two sides of the elastic sheet are respectively abutted against the rollers.
In the arrangement, the side wall corresponding to one flat side of the flat square pin shaft is set to be a plane side wall corresponding to the shape of the flat square pin shaft, so that the guide effect is achieved, and meanwhile, the pin shaft is favorable for abutting the elastic sheet on the side wall; the pin shaft is detachably arranged on the limiting sleeve, the flat square pin shaft can be fixed only by inserting the pin shaft into the limiting sleeve during assembly, and the pin shaft only needs to be pulled out during disassembly; the assembly is simple and convenient.
Preferably, a through hole penetrating through the bottom of the hole is formed in the positioning guide rod, a pressing rod is fixedly arranged in the through hole, and one end of the pressing rod is flush with the bottom of the hole.
In the above-mentioned setting, through setting up the through-hole in the location guide bar, only need at through-hole internal fixation depression bar, can form the hole of placing flat square round pin axle at the tip of location guide bar, compare in seting up the blind hole alone, it is more convenient to process.
Preferably, the other end of the positioning guide rod is installed in the center of the connecting plate, and a scale disc is connected to the connecting plate in a threaded mode.
In the arrangement, the scale disc is arranged, so that the installation angle of the flat side of the flat square pin shaft can be determined conveniently, and the installation angle of the flat square pin shaft can be adjusted conveniently.
The utility model has the advantages that: the assembly precision is high, the abrasion is small, and the assembly quality is improved; the device has stronger applicability and longer service life.
Drawings
Fig. 1 is a schematic view of the present invention;
FIG. 2 is an enlarged view of the point A of the present invention;
Fig. 3 is an exploded view of the present invention.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
As shown in fig. 1 to 3, a flat square pin shaft directional clamping device comprises a scale disc 1 and a connecting plate 2 mounted on the scale disc 1 through screws; there is location guide bar 3 in the middle of connecting plate 2 through screw connection, set up the through-hole in the middle of the location guide bar 3, install depression bar 4 in the through-hole, a tip of location guide bar 3 is equipped with hole 31, radially be equipped with two logical grooves 32 on a lateral wall of this hole 31, each leads to and all installs roller 6 in the groove 32, a part of roller 6 is located hole 31, the outside of roller 6 sets up shell fragment 7, encapsulate this tip of location guide bar 3 through stop collar 5, be equipped with through-hole 51 on the 5 lateral walls of stop collar, round pin axle 8 is installed in through-hole 51 department, round pin axle 8 compresses tightly shell fragment and roller 6.
In this embodiment, the side wall of the installation roller 6 is matched with the flat square pin shaft 9 and is set as a planar side wall 33, and correspondingly, the side wall of the position limiting sleeve 5 corresponding to the planar side wall 33 is also set as a plane.
The utility model discloses a working process does: when the flat square pin shaft 9 is inserted into the positioning guide rod 3, one flat square side of the flat square pin shaft is correspondingly placed with the plane side wall 33 of the hole 31 and is in rolling friction with the two rollers 6, and at the moment, the elastic sheet 7 deforms and gives way; the end part of the flat square pin shaft 9 is close to the end surface of the compression bar 4 to finish directional clamping.
At this time, the positioning guide rod 3 is packaged by the limiting sleeve 5, the pin shaft 8 is inserted, the elastic sheet 7 generates elastic deformation under the prepressing of the pin shaft 8, so that the roller 6 is pressed, and finally, the outer circle of the roller 6 presses one flat side of the flat pin shaft 9 through the prepressing force, so that the direction of the flat pin shaft 9 is fixed.
In addition, can also install scale disc 1 on equipment to when the central point of scale disc 1 fixes a position and adjusts the assembly angle of flat square pin axle 9, only need to rotate this device, can confirm the assembly angle through the pointer on the equipment and the scale of scale disc 1.
Claims (5)
1. The utility model provides a directional clamping device of flat side round pin axle, its characterized in that, includes location guide bar (3), a tip of location guide bar (3) is equipped with hole (31) along the length direction of guide bar, a lateral wall of hole (31) is equipped with at least one and leads to groove (32), be equipped with the casting die in leading to groove (32), a part of casting die is located hole (31), one side of keeping away from hole (31) of casting die covers there is shell fragment (7), the lateral wall of this tip of location guide bar (3) still overlaps and is equipped with stop collar (5), be equipped with round pin axle (8) with the shell fragment butt on stop collar (5).
2. The directional clamping device for the oblate pin shaft is characterized in that the through groove (32) is vertical to the axis of the positioning guide rod (3); the pressing piece is a roller (6), and the roller (6) is arranged in the through groove (32).
3. An apparatus as claimed in claim 2, wherein the side wall of said hole (31) where said through slot (32) is located is a planar side wall (33), and said planar side wall (33) has two through slots (32); two through holes (51) are formed in the side wall of the limiting sleeve (5), the pin shaft (8) penetrates through the two through holes (51) and is fixed on the limiting sleeve (5), and the pin shaft (8) is abutted against the elastic sheet (7) and presses the middle part of the elastic sheet (7) on the plane side wall (33); and two sides of the elastic sheet (7) are respectively abutted against the rollers (6).
4. The directional clamping device for the oblate pin shaft according to any one of claims 1 to 3, characterized in that a through hole penetrating through the bottom of the hole (31) is formed in the positioning guide rod (3), a pressing rod (4) is fixedly arranged in the through hole, and one end of the pressing rod (4) is flush with the bottom of the hole (31).
5. The directional clamping device for the oblate pin shaft according to any one of claims 1 to 3, characterized in that the other end of the positioning guide rod (3) is arranged at the center of the connecting plate (2), and the connecting plate (2) is in threaded connection with a scale disc (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921868653.6U CN211073305U (en) | 2019-11-01 | 2019-11-01 | Directional clamping device of flat square pin shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921868653.6U CN211073305U (en) | 2019-11-01 | 2019-11-01 | Directional clamping device of flat square pin shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211073305U true CN211073305U (en) | 2020-07-24 |
Family
ID=71637311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921868653.6U Active CN211073305U (en) | 2019-11-01 | 2019-11-01 | Directional clamping device of flat square pin shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211073305U (en) |
-
2019
- 2019-11-01 CN CN201921868653.6U patent/CN211073305U/en active Active
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| GR01 | Patent grant |