CN212100791U - Pin shaft and pin shaft reversing device - Google Patents

Abstract

The utility model provides a pin shaft belongs to connecting piece technical field, include: the first shaft body is of a cylindrical structure; the second shaft body is of a cylindrical structure, the end part of the second shaft body is connected with the end part of the first shaft body, and the first shaft body and the second shaft body are coaxially arranged; still provide a round pin axle switching-over device, belong to switching-over frock technical field, include: the reversing seat is provided with a conversion cavity, a feeding hole and a discharging hole, and the feeding hole and the discharging hole are communicated with the conversion cavity; the screening plate is arranged on the feeding hole, screening holes are formed in the screening plate, and the shapes of the screening holes are the same as the outline shape of the pin shaft. The utility model has the advantages that: the stepped pin shaft is provided, and the tool for reversing arrangement of the pin shaft in the shape is also provided.

Description

Pin shaft and pin shaft reversing device

Technical Field

The utility model belongs to the technical field of connecting piece technique and switching-over frock thereof, a round pin axle is related to, still relate to a round pin axle switching-over device.

Background

The pin shaft is a common connecting piece, can be statically and fixedly connected, can also move relative to the connected piece, is mainly used for the hinged part of two parts to form a hinged connection, and the two ends of the structure of the existing pin shaft are generally symmetrical.

Specifically, the existing pin shaft is of a cylindrical structure, and two ends of the existing pin shaft are the same, so that after the existing pin shaft is machined, the direction does not need to be adjusted, but on some vehicle sliding door handles, pin shafts of some non-cylindrical structures need to be used, and the existing pin shaft with the special structure is lacked.

Moreover, after the pin shaft is manufactured, the diameters of two ends are different, so that one end is a large end and the other end is a small end, when the pin shaft is assembled on a product, the pin shaft needs to be arranged well and is convenient to take and use, and in actual production, the pin shaft often needs to be manually sorted and arranged, so that the large end and the small end of each pin shaft are arranged consistently, but the pin shaft is very troublesome, time-consuming and labor-consuming, and therefore a device specially used for reversing the specific pin shaft is needed.

Disclosure of Invention

The utility model aims at the above-mentioned problem that prior art exists, provide a round pin axle, still provided a round pin axle switching-over device.

The purpose of the utility model can be realized by the following technical proposal: a pin, comprising:

the first shaft body is of a cylindrical structure, and knurling is arranged on the first shaft body;

the second shaft body is of a cylindrical structure, the end part of the second shaft body is connected with the end part of the first shaft body to form a stepped shaft structure, and the first shaft body and the second shaft body are coaxially arranged.

Preferably, the diameter of the first shaft body is larger than that of the second shaft body.

Preferably, the first shaft body is longer than the second shaft body.

Secondly, still provide a round pin axle switching-over device, include:

the reversing seat is provided with a conversion cavity, a feeding hole and a discharging hole, the feeding hole and the discharging hole are communicated with the conversion cavity, and the feeding hole is positioned above the conversion cavity;

the screening board, it sets up on the feed inlet, and be provided with the screening hole on the screening board, the shape in screening hole is the same with the profile shape of round pin axle, the one end of screening hole is narrower and the other end broad, works as the orientation of round pin axle with when screening hole shape is unanimous the round pin axle is followed fall into in the screening hole to change the intracavity, works as the orientation of round pin axle with when the shape in screening hole is opposite the round pin axle falls into after rotating to thereby turn to in the screening hole.

Preferably, the reversing mechanism further comprises a feeding guide rail, the feeding guide rail is connected with the reversing seat, and the pin shaft moves to the reversing seat through the feeding guide rail.

Preferably, an arc-shaped sliding groove is formed in the conversion cavity, the feeding hole is located above the arc-shaped sliding groove, and the discharging hole is communicated with the arc-shaped sliding groove.

Preferably, the reversing seat comprises two side plates and an arc-shaped plate, the two side plates are arranged in parallel, the arc-shaped plate is connected with the lower ends of the two side plates, and the distance between the two side plates is larger than or equal to the diameter of the first shaft body.

Preferably, still include the vibration dish, the vibration dish with the pay-off guide rail is connected, a plurality of the round pin axle has been placed in the vibration dish, and the vibration dish will the round pin axle is sent into to in the pay-off guide rail.

Preferably, the screening plate is provided with a guide inclined plane inclined towards the screening holes, and the guide inclined plane is used for guiding the pin shafts to the screening holes.

Preferably, an arc-shaped side plate is arranged on the side edge of the screening plate, the arc-shaped side plate is of a semi-tubular structure, the arc-shaped side plate is connected with the feeding guide rail, and the pin shaft moves into the arc-shaped side plate from the feeding guide rail and rolls onto the screening plate.

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

1. the second shaft body is less, and the first shaft body is great, and be provided with the shaft hole with second shaft body looks adaptation on handle casing base, and the round pin axle that is the echelonment passes the handle and the second shaft body wears to establish to the shaft hole in, and the tip of first shaft body can contradict on handle casing base this moment to play the effect that the location supported.

2. Through switching-over seat and screening hole complex structure, can make the orientation of each round pin axle unanimous, ingenious utilization screening hole makes the unanimous round pin axle of orientation automatic drop to the structural feature of utilizing the round pin axle makes the inconsistent round pin axle of orientation to commutate through the upset, and simple structure is ingenious, and need not manual operation, unusual convenience.

3. If the orientation of the pin shaft is inconsistent with the orientation of the screening holes, namely the orientations of the pin shaft and the screening holes are opposite, the second shaft body with the smaller diameter is located at the wider position of the screening holes, the first shaft body with the larger diameter is located at the narrower position of the screening holes, the pin shaft cannot directly drop at the moment, but the first shaft body part cannot drop, the second shaft body is located at the wider position, the second shaft body can pass through the wider position of the screening holes, so that the whole pin shaft rotates, when the shaft body turns over, the second shaft body faces downwards, so that the first shaft body is driven to fall from the wider position of the screening holes, the pin shaft finishes steering at the moment, namely, the orientation of the pin shaft is adjusted to be in a state consistent with the orientation of the.

4. The pin shafts can be continuously conveyed to the feeding guide rail by conveying the pin shafts to the feeding guide rail through the vibrating disc, and finally, the effect of automatic arrangement of the large batch of pin shafts is realized.

Drawings

Fig. 1 is the structural schematic diagram of the pin shaft reversing device of the present invention.

Fig. 2 is a schematic structural diagram of the pin shaft of the present invention.

Fig. 3 is a schematic structural diagram of the reversing seat of the present invention.

Fig. 4 is the schematic diagram of the utility model when the orientation of the pin shaft is opposite to that of the screening hole.

Fig. 5 is a schematic diagram of the pin shaft of the present invention during reversing.

In the figure, 100, a first shaft body; 200. a second shaft body; 300. a reversing seat; 310. a conversion chamber; 320. a feed inlet; 330. a discharge port; 340. an arc-shaped chute; 350. a side plate; 360. an arc-shaped plate; 400. screening the plate; 410. a screening well; 420. a guide slope; 430. An arc-shaped side plate; 500. a feeding guide rail.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 2, a pin includes: the first shaft body 100 and the second shaft body 200, and the first shaft body 100 and the second shaft body 200 are connected to form a stepped shaft structure, which has effects of axial positioning and supporting in addition to the function of hinge joint compared to a conventional cylindrical shaft pin.

Specifically, the first shaft 100 has a cylindrical structure and is provided with knurling (not shown), the first shaft 100 may be provided with knurling or the like, and the first shaft 100 mainly passes through the handle assembly.

The second shaft 200 is a cylindrical structure, an end of the second shaft 200 is connected to an end of the first shaft 100, and the first shaft 100 and the second shaft 200 are coaxially disposed.

Preferably, the second shaft body 200 is smaller, the first shaft body 100 is larger, a shaft hole matched with the second shaft body 200 is formed in the handle housing base, the stepped pin shaft penetrates through the handle, the second shaft body 200 penetrates into the shaft hole, and the end of the first shaft body 100 abuts against the handle housing base, so that the positioning and supporting effects are achieved.

As shown in fig. 2, based on the above embodiment, the diameter of the first shaft body 100 is larger than that of the second shaft body 200, preferably, the pin shaft has a stepped structure, so the sizes of the first shaft body 100 and the second shaft body 200 must be different, and here, the support of the first shaft body 100 is set to be slightly larger than the diameter of the second shaft body 200, so that not only the positioning and supporting effect of the stepped shaft structure can be achieved, but also the subsequent steering is facilitated to be smooth.

As shown in fig. 2, on the basis of the above embodiment, the first shaft body 100 is longer than the second shaft body 200, preferably, the first shaft body 100 has a larger diameter and a longer length, and the second shaft body 200 has a smaller diameter and a shorter length, because the second shaft body 200 is inserted into the shaft hole of the handle base housing, the second shaft body 200 only needs to be inserted into the shaft hole, and the length can be shorter, and in addition, the length setting can also make the reversing more convenient and smooth.

As shown in fig. 1, fig. 2, fig. 3, fig. 4, and fig. 5, a pin shaft reversing device includes: the direction changing base 300 and the screening plate 400 adjust the pin shafts with different directions to have the same direction through the direction changing base 300 and the screening plate 400, thereby realizing the effects of automatic arrangement, screening and direction changing.

It should be noted here that, for the convenience of assembly, the pins need to be arranged well, so that the orientations of the pins are consistent, especially in this embodiment, since the pins have the first shaft 100 and the second shaft 200, which have different diameters, if the pins are manually screened, then a large number of pins are arranged well, which is time-consuming and labor-consuming, and the pin reversing device is a device specially used for automatically arranging the stepped pins, specifically, all the pins passing through the reversing device can be changed into a state where the second shaft 200 faces forward and the first shaft 100 faces backward.

Preferably, the reversing seat 300 is provided with a conversion cavity 310, a feed port 320 and a discharge port 330, and the feed port 320 and the discharge port 330 are communicated with the conversion cavity 310; the diverter base 300 is actually a container-like structure, and therefore has a diversion chamber 310, and the inlet 320 and the outlet 330 are openings of the diversion chamber 310, and the inlet 320 is located above the diversion chamber 310.

That is, the pin can enter the switching chamber 310 through the inlet 320, and can be taken out from the switching chamber 310 through the outlet 330, and the switching chamber 310 mainly functions to reverse the pin and limit the rotation direction of the pin to prevent irregular movement.

The screening plate 400 is arranged on the feeding hole 320, the screening hole 410 is formed in the screening plate 400, the shape of the screening hole 410 is the same as the outline shape of a pin shaft, when the orientation of the pin shaft is consistent with the shape of the screening hole 410, the pin shaft falls into the switching cavity 310 from the screening hole 410, and when the orientation of the pin shaft is opposite to the shape of the screening hole 410, the pin shaft rotates and then falls into the screening hole 410 so as to steer.

Preferably, the screening plate 400 covers the feeding hole 320, the pin moves to the screening plate 400, and since the screening holes 410 are formed in the screening plate 400, and the shapes of the screening holes 410 are the same as the contours of the pin, one end of each screening hole 410 is narrow and the other end of each screening hole 410 is wide, if the pin is oriented in the same direction as the screening holes 410, the pin can fall into the conversion cavity 310 from the screening holes 410.

Preferably, one end of the screening hole 410 is a wide portion having a width adapted to the diameter of the first shaft, and the other end is a narrow portion having a width adapted to the diameter of the second shaft, the narrow portion being located in front of the wide portion.

Preferably, if the orientation of the pin is not consistent with the orientation of the screening holes 410, that is, if the orientation of the pin is opposite to the orientation of the screening holes 410, then the second shaft 200 with a smaller diameter is located at a wider position of the screening holes 410, and the first shaft 100 with a larger diameter is located at a narrower position of the screening holes 410, at this time, the pin cannot directly drop, but because the first shaft 100 cannot partially drop, and the second shaft 200 is located at a wider position, the second shaft 200 can pass through the wider position of the screening holes 410, so that the whole pin rotates, and when the shaft is turned over, the second shaft 200 faces downward, so as to drive the first shaft 100 to drop from the wider position of the screening holes 410, at this time, the pin turns around, that is, the orientation of the pin is adjusted to be consistent with the orientation of the screening holes 410.

The structure with the matching of the reversing seat 300 and the screening holes 410 can enable the orientation of each pin shaft to be consistent, the screening holes 410 are ingeniously utilized to enable the pin shafts with the consistent orientation to automatically drop, the structural characteristics of the pin shafts are utilized to enable the pin shafts with the inconsistent orientation to be reversed through overturning, the structure is simple and ingenious, manual operation is not needed, and great convenience is achieved.

As shown in fig. 1 and 3, on the basis of the above embodiment, the feeding guide rail 500 is further included, the feeding guide rail 500 is connected to the reversing seat 300, and the pin moves to the reversing seat 300 through the feeding guide rail 500.

Preferably, the feeding guide rail 500 is actually a groove structure, and the width of the feeding guide rail 500 can be set to be matched with the diameter of the second shaft 200, so that only a single pin shaft can exist in the feeding guide rail 500 in the width direction, thereby avoiding disturbing the rhythm of pin shaft reversing, and the main purpose of setting the feeding guide rail 500 is to continuously feed the pin shaft into the reversing seat 300, thereby arranging a large amount of pin shafts and meeting the actual requirements.

As shown in fig. 1, 3, 4, and 5, on the basis of the above embodiment, an arc chute 340 is disposed in the conversion cavity 310, the inlet 320 is located above the arc chute 340, and the outlet 330 is communicated with the arc chute 340.

Preferably, the arc chute 340 is used for receiving the pin shaft falling after rotation, and after the pin shaft rotates in the screening hole 410, the second shaft 200 faces downward and falls into the conversion cavity 310, so that the arc chute 340 is needed to guide the pin shaft, so that the pin shaft after falling moves along the arc chute 340, and because the second shaft 200 faces downward when the pin shaft falls, the pin shaft firstly touches the arc chute 340, and after being guided by the arc chute 340, the pin shaft is in a forward state of the second shaft 200 when reaching the discharge hole 330.

And, the direction of screening hole 410 can set up to be the shape that the front end is narrower rear end broad, if the round pin axle when unanimous with screening hole 410 direction, second axle body 200 is forward, and when the round pin axle dropped arc spout 340 this moment, also second axle body 200 was forward to all be the second axle body 200 state forward when making the round pin axle of different orientation come out from discharge gate 330.

As shown in fig. 1, 3, 4, and 5, on the basis of the above embodiment, the reversing seat 300 includes two side plates 350 and an arc-shaped plate 360, the two side plates 350 are disposed in parallel, the arc-shaped plate 360 is connected to lower ends of the two side plates 350, and a distance between the two side plates 350 is greater than or equal to a diameter of the first shaft 100.

Preferably, the space formed between the two side plates 350 and the arc plate 360 is the converting cavity 310, the arc plate 360 is the bottom of the reversing base 300, the arc plate 360 is mainly used for forming the arc chute 340, and two sides of the arc plate 360 are connected with the two side plates 350.

Preferably, the distance between the two side plates 350 of the reversing seat 300 is smaller, and the distance between the two side edges can be slightly larger than the diameter of the first shaft body 100, so that the pin shaft can be prevented from moving left and right by limiting the moving direction of the pin shaft when falling, and can only fall downwards along the gap between the two side plates 350, thereby ensuring the smoothness and reliability in adjusting the orientation of the pin shaft.

As shown in fig. 1, 3, 4, and 5, on the basis of the above embodiments, the feeding device further includes a vibration plate, the vibration plate (not shown) is connected to the feeding rail 500, a plurality of pins are placed in the vibration plate, and the pins are sent into the feeding rail 500 by the vibration plate.

Preferably, the pin shafts can be continuously transported to the feeding guide rail 500 by conveying the pin shafts to the feeding guide rail 500 through the vibrating plate, and finally, the effect of automatic arrangement of the pin shafts in large batches is achieved.

As shown in fig. 1, in addition to the above embodiment, the screening plate 400 is provided with a guide slope 420 inclined toward the screening hole 410, and the guide slope 420 is used for guiding the pin to the screening hole 410.

Preferably, the pin shaft moves to the screening plate 400 through the feeding rail 500 or other conveying unit, and then rolls into the screening hole 410 after being guided by the guide slope, so as to ensure that the pin shaft can automatically move to the screening plate 400 for screening or reversing.

As shown in fig. 1 and 3, on the basis of the above embodiment, the screening plate 400 is provided with arc-shaped side plates 430 on the side edges, the arc-shaped side plates 430 are in a semi-tubular structure, and the arc-shaped side plates 430 are connected to the feeding rail 500, and the pin moves from the feeding rail 500 into the arc-shaped side plates 430 and rolls onto the screening plate 400.

Preferably, the arc-shaped side plates 430 are semi-tubular, the rear ends of the arc-shaped side plates 430 are connected with the feeding guide rails 500, the pin shafts can move to the arc-shaped side plates 430 from the feeding guide rails 500, roll into the screening plate 400 through the arcs of the arc-shaped side plates 430 and finally enter the screening holes 410, and in the actual working process, only the vibrating disc is needed to convey the pin shafts, the pin shafts can axially move through the feeding guide rails 500 and radially roll through the arc-shaped side plates 430, so that manual operation is not needed, and the automatic reversing arrangement effect is realized.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims (10)

1. A pin, comprising:

the first shaft body is of a cylindrical structure, and knurling is arranged on the first shaft body;

the second shaft body is of a cylindrical structure, the end part of the second shaft body is connected with the end part of the first shaft body to form a stepped shaft structure, and the first shaft body and the second shaft body are coaxially arranged.

2. A pin as claimed in claim 1, wherein: the diameter of the first shaft body is larger than that of the second shaft body.

3. A pin as claimed in claim 1, wherein: the first shaft body is longer than the second shaft body.

4. The utility model provides a round pin axle switching-over device which characterized in that includes:

the reversing seat is provided with a conversion cavity, a feeding hole and a discharging hole, the feeding hole and the discharging hole are communicated with the conversion cavity, and the feeding hole is positioned above the conversion cavity;

the screening board, it sets up on the feed inlet to be provided with the screening hole on the screening board, the shape of screening hole is the same with the profile shape of a round pin axle of any one of claims 1 to 3, the one end of screening hole is narrower and the other end is wider, when the orientation of round pin axle with screening hole shape is unanimous the round pin axle follow fall into in the screening hole to change the intracavity, when the orientation of round pin axle with the shape of screening hole is opposite the round pin axle falls into after rotating in the screening hole thereby turn to.

5. The pin reverser device according to claim 4, wherein: the feeding guide rail is connected with the reversing seat, and the pin shaft moves to the reversing seat through the feeding guide rail.

6. The pin reverser device according to claim 4, wherein: an arc-shaped sliding groove is formed in the conversion cavity, the feeding hole is located above the arc-shaped sliding groove, and the discharging hole is communicated with the arc-shaped sliding groove.

7. The pin reverser device according to claim 6, wherein: the reversing seat comprises two side plates and arc-shaped plates, the two side plates are arranged in parallel, the arc-shaped plates are connected with the lower ends of the two side plates, and the distance between the two side plates is larger than or equal to the diameter of the first shaft body.

8. The pin reverser device according to claim 5, wherein: still include the vibration dish, the vibration dish with the pay-off guide rail is connected, a plurality of have been placed in the vibration dish the round pin axle, and the vibration dish will the round pin axle is sent into to in the pay-off guide rail.

9. The pin reverser device according to claim 4, wherein: the screening plate is provided with a guide inclined plane which inclines towards the screening holes, and the guide inclined plane is used for guiding the pin shafts to the screening holes.

10. The pin reverser device according to claim 5, wherein: the side of the screening plate is provided with an arc-shaped side plate, the arc-shaped side plate is of a semi-tubular structure and is connected with the feeding guide rail, and the pin shaft moves into the arc-shaped side plate from the feeding guide rail and rolls onto the screening plate.

Images