Quick split portable device for cotter pin

Abstract

The utility model provides a cotter pin quick splitting portable device which comprises a main body which is columnar and is provided with a head end and a tail end which are opposite to each other, and a handheld part is arranged between the head end and the tail end and is held by a user; the split head is arranged at the head end, a D-shaped split hole is formed in the tip end of the split head in the axial direction of the body, and a D-shaped supporting foot of the split pin can be inserted into the D-shaped split hole. The D-shaped supporting leg of the cotter pin is inserted into the D-shaped split hole, then the cotter pin is broken to a required angle, the broken supporting leg is separated from the D-shaped split hole, and the other D-shaped supporting leg of the cotter pin is broken to a proper angle by using the portable device for quickly splitting the cotter pin, so that the cotter pin can be quickly split.

Description

Technical Field

[0001] The present application relates to the field of mechanical assembly, and in particular to a portable device for quick splitting with a cotter pin. Background Art

[0002] Split pins are a kind of mechanical parts, mainly used for threaded connection to prevent loosening. The production of this part requires high-quality steel and rigid materials with good elasticity. Split pins are widely used in mechanical processing and assembly fields such as railways and automobiles.

[0003] The main way to assemble the cotter pin is to insert the cotter pin into the cylindrical pin by hand or pliers, open the cotter pin with a screwdriver, open the cotter pin at an angle (in principle, 60°, no uneven length, R shape and upper gap allowed), and twist it a few turns appropriately. However, if there is any obstruction with the surroundings or the insulation distance is insufficient, the cotter pin must be rolled up (the cotter pin can be rolled up when it collides with the workpiece).

[0004] Therefore, the splitting of the cotter pin is a necessary step in the assembly of the cotter pin. Existing assembly workers are usually not equipped with a handy cotter pin splitting tool, and the splitting efficiency is low. There are also some pneumatic cotter pin splitting tools, but the cost is high and it is difficult to adapt on a large scale. Utility Model Content

[0005] The purpose of the embodiment of the present application is to provide a portable device for quick splitting of a cotter pin, which is low in cost, simple and convenient to use, can achieve quick splitting of a cotter pin, and can be equipped to assembly personnel on a large scale to improve assembly efficiency.

[0006] In order to achieve the above purpose, the embodiments of the present application are implemented in the following manner:

[0007] In a first aspect, an embodiment of the present application provides a portable device for quick splitting with a cotter pin, comprising: a main body, which is cylindrical, having opposite head and tail ends, with a hand-holding portion between the head and tail ends for a user to hold; a splitting head, arranged at the head end, wherein a "D"-shaped splitting hole is provided at the tip of the splitting head along the axial direction of the main body, and the "D"-shaped splitting hole is used for inserting the "D"-shaped support leg of the cotter pin.

[0008] In combination with the first aspect, in a first possible implementation manner of the first aspect, the “D”-shaped split hole is provided with a wedge-shaped opening.

[0009] In combination with the first possible implementation manner of the first aspect, in a second possible implementation manner of the first aspect, the end of the splitting head located at the bottom of the wedge-shaped opening has an arc-shaped inner edge.

[0010] In combination with the first possible implementation manner of the first aspect, in a third possible implementation manner of the first aspect, the end of the splitting head located at the top of the wedge-shaped opening is a blade-shaped inner edge.

[0011] In combination with the first aspect, in a fourth possible implementation of the first aspect, the depth of the “D”-shaped split hole is 3 to 8 centimeters.

[0012] In combination with the first aspect, in a fifth possible implementation of the first aspect, a lanyard hole is provided at the tail end.

[0013] In combination with the first aspect, in a sixth possible implementation manner of the first aspect, the surface of the handheld part is covered with an anti-slip layer.

[0014] Beneficial effects:

[0015] 1. The portable device for quick splitting with a cotter pin of the present invention has a columnar main body with a head end and a tail end opposite to each other, with a hand-held portion between the head end and the tail end for the user to hold; a splitting head is arranged at the head end, and a "D"-shaped splitting hole is provided at the tip of the splitting head along the axial direction of the main body, by inserting the "D"-shaped leg of the cotter pin into the "D"-shaped splitting hole, then bending it to a required angle, separating the bent leg from the "D"-shaped splitting hole, and using the portable device for quick splitting with a cotter pin to bend the other "D"-shaped leg of the cotter pin to a suitable angle, thereby achieving quick splitting of the cotter pin.

[0016] 2. The "D"-shaped split hole is provided with a wedge-shaped opening. The end of the split head located at the bottom of the wedge-shaped opening has an arc-shaped inner edge, which can protect the split pin and avoid damage to the split pin during the split. The end of the split head located at the top of the wedge-shaped opening is a blade-shaped inner edge, which can easily separate the two legs of the split pin and insert the "D"-shaped leg of the split pin into the "D"-shaped split hole, greatly improving the efficiency of the split pin split. The "D"-shaped split hole design with the same shape as the single leg of the split pin makes the outer wall of the leg of the split pin fully fit with the "D"-shaped split hole, which can improve the split angle of the split pin and the service life of the device.

[0017] 3. The depth design of the "D"-shaped split hole can be suitable for scenarios with a variety of split pin split lengths, and can maximize the depth of the split pin's support leg inserted into the "D"-shaped split hole, increase the force-bearing area of ​​the support leg split, achieve rapid splits, and increase the service life of the device.

[0018] 4. The lanyard hole design at the tail end makes it easy for assemblers to carry and take it with the lanyard, and the anti-slip layer design on the handheld part can improve the assembler's experience when using it.

[0019] In order to make the above-mentioned objects, features and advantages of the present application more obvious and easy to understand, preferred embodiments are specifically cited below and described in detail with reference to the attached drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments of the present application will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 A top view of a cotter pin quick split portable device provided in an embodiment of the present application.

[0022] Figure 2 A side sectional view of a cotter pin quick split portable device provided in an embodiment of the present application.

[0023] Figure 3 An axial view of a portable device for quick splitting with a cotter pin provided in an embodiment of the present application.

[0024] Icons: 10-cotter pin quick split portable device; 11-main body; 12-split head; 121-"D" type split hole; 122-wedge-shaped opening; 13-hanging rope hole. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application.

[0026] In the description of this application, it should be noted that the terms "inside", "outside", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of the application is usually placed when in use, which is only for the convenience of describing this application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0027] It should also be noted that, unless otherwise clearly specified and limited, the terms "disposed" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0028] See also Figures 1 to 3 , Figure 1 A top view of a split pin quick split portable device 10 provided in an embodiment of the present application; Figure 2A side cross-sectional view of a split pin quick split portable device 10 provided in an embodiment of the present application; Figure 3 An axial view of the split pin quick-split portable device 10 provided in an embodiment of the present application.

[0029] In this embodiment, the main body 11 of the cotter pin quick split portable device 10 is columnar (similar to a cylinder, such as the handle of a screwdriver), having a head end and a tail end opposite to each other, and a hand-held portion is between the head end and the tail end for the user to hold.

[0030] The splitting head 12 of the split pin quick splitting portable device 10 is arranged at the head end, and the tip of the splitting head 12 is provided with a "D"-shaped splitting hole 121 (such as Figure 3 As shown in the figure, the "D"-shaped split hole 121 is used for inserting the "D"-shaped leg of the split pin. The depth of the "D"-shaped split hole 121 is 3 to 8 cm, which can be applicable to various scenarios of split lengths of the split pin, and can increase the depth of the split pin leg inserted into the "D"-shaped split hole 121 as much as possible, increase the force-bearing area of ​​the leg split, achieve rapid splitting, and improve the service life of the device.

[0031] In order to facilitate the “D”-shaped legs of the split pin (the two “D”-shaped legs of the split pin are usually adjacent to each other), the “D”-shaped split hole 121 is provided with a wedge-shaped opening 122 .

[0032] In order to prevent damage to the cotter pin during splitting, the end of the splitting head 12 located at the bottom of the wedge-shaped opening 122 (which can be understood as the remaining edges except the wedge-shaped opening 122) has an arc-shaped inner edge, and in order to facilitate the separation of the two legs of the cotter pin when inserting into the "D"-shaped splitting hole 121, the end of the splitting head 12 located at the top of the wedge-shaped opening 122 (which can be understood as the part of the wedge-shaped opening 122) is a blade-shaped inner edge.

[0033] The split pin quick split portable device 10 is provided with a lanyard hole 13 at the tail end of the main body 11, so that the assembler can carry and use it by the lanyard. The surface of the handheld part is covered with an anti-slip layer, which can improve the experience of the assembler when using it.

[0034] In summary, the present application provides a portable device 10 for quick splitting with a split pin:

[0035] 1. The split pin quick split portable device 10 of the present invention has a columnar main body 11 with a head end and a tail end opposite to each other, with a hand-held portion between the head end and the tail end for the user to hold; a split head 12 is arranged at the head end, and a "D"-shaped split hole 121 is provided at the tip of the split head 12 along the axial direction of the main body 11. The "D"-shaped leg of the split pin is inserted into the "D"-shaped split hole 121, then bent to a required angle, the bent leg is separated from the "D"-shaped split hole 121, and the split pin quick split portable device 10 is used to bend the other "D"-shaped leg of the split pin to a suitable angle, thereby achieving quick splitting of the split pin.

[0036] 2. The "D"-shaped split hole 121 is provided with a wedge-shaped opening 122. The end of the split head 12 at the bottom of the wedge-shaped opening 122 has an arc-shaped inner edge, which can protect the split pin and avoid damage to the split pin during splitting. The end of the split head 12 at the top of the wedge-shaped opening 122 is a blade-shaped inner edge, which can easily separate the two legs of the split pin and insert the "D"-shaped leg of the split pin into the "D"-shaped split hole 121, which greatly improves the efficiency of the split pin splitting. The "D"-shaped split hole 121 is designed with the same shape as the single leg of the split pin, so that the outer wall of the leg of the split pin is fully fitted with the "D"-shaped split hole 121, which can improve the splitting angle of the split pin and the service life of the device.

[0037] 3. The depth design of the "D"-shaped split hole 121 can be suitable for scenarios with a variety of split pin split lengths, and can maximize the depth of the split pin's support leg inserted into the "D"-shaped split hole 121, increase the force-bearing area of ​​the support leg split, achieve rapid splits, and increase the service life of the device.

[0038] 4. The lanyard hole 13 at the tail end is designed to facilitate the assembler to carry and take it with the lanyard, and the anti-slip layer design of the handheld part can improve the experience of the assembler when using it.

[0039] The above description is only an embodiment of the present application and is not intended to limit the protection scope of the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A portable device for quick splitting with a cotter pin, characterized in that: include: The main body is cylindrical and has a head end and a tail end opposite to each other, and a hand-held portion is between the head end and the tail end for the user to hold; A splitting head is arranged at the head end, wherein a "D"-shaped splitting hole is opened at the tip of the splitting head along the axial direction of the main body, and the "D"-shaped splitting hole is used for inserting the "D"-shaped leg of the split pin.

2. The portable device for quick splitting with a split pin according to claim 1, characterized in that: The "D" shaped split hole is provided with a wedge-shaped opening.

3. The portable device for quick splitting with a split pin according to claim 2, characterized in that: The end of the splitting head located at the bottom of the wedge-shaped opening has an arc-shaped inner edge.

4. The portable device for quick splitting with a split pin according to claim 2, characterized in that: The end of the splitting head located at the top of the wedge-shaped opening is a blade-shaped inner edge.

5. The split pin quick split portable device according to claim 1, characterized in that: The depth of the "D" shaped split hole is between 3 and 8 cm.

6. The portable device for quick splitting with a split pin according to claim 1, characterized in that: The tail end is provided with a hanging rope hole.

7. The portable device for quick splitting with a split pin according to claim 1, characterized in that: The outer surface of the hand-held part is covered with an anti-slip layer.

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