CN216519069U - Split pin shaft with conical section - Google Patents
Split pin shaft with conical section Download PDFInfo
- Publication number
- CN216519069U CN216519069U CN202123260331.3U CN202123260331U CN216519069U CN 216519069 U CN216519069 U CN 216519069U CN 202123260331 U CN202123260331 U CN 202123260331U CN 216519069 U CN216519069 U CN 216519069U
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- Prior art keywords
- pin shaft
- section
- shaft body
- hole
- conical section
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Abstract
The utility model discloses an open pin shaft with a conical section, which comprises a pin shaft body, wherein the pin shaft body is provided with a conical section area, a shaft hole is formed in the pin shaft body, the outer wall of one side of the pin shaft body is provided with an arc section notch, the arc section notch penetrates through the inner wall of the pin shaft body and is communicated with the shaft hole, the section of the pin shaft body after passing through the arc section notch is a groove surface, the inclination angle of the conical section area is 0-30 degrees, the length of the conical section area is 1/4-3/4 of the length of the pin shaft body, and both ends of the pin shaft body are provided with chamfer surfaces. The number of the cone section areas is at least one. The utility model discloses a set the conic section district to different length and set the both ends in conic section district to different sizes, can guarantee that the toper structure is light, convenient stretch into the assembly hole in, effectively promoted assembly efficiency and promoted the guidance quality, further promoted the stability of round pin body assembly in the assembly hole.
Description
Technical Field
The utility model particularly relates to the technical field of pin shafts, and particularly relates to an open pin shaft with a conical section.
Background
The chamfer length of straight flute type elasticity cylindric lock is short for the guidance quality is relatively poor. The operator therefore needs to perform the following operations before assembly and has the following problems:
the part is positioned and guided by holding the part by an operator, and the axial direction of the part cannot be ensured to be vertical to the mounting plane.
The axial direction of part (II) is not perpendicular with the mounting plane, leads to the part to incline easily when the assembly atress, makes the part easily be pounded the bending, the bending to easily pound the injury operation personnel's hand, make to have the potential safety hazard, serious even the problem that the part flew out appears, easily arouses the accident from this.
And (III) complex tools are adopted for assembly, so that the design cost of enterprises is increased.
In order to ensure that the pin shaft body can be simply and stably inserted into the assembly hole, a new pin shaft is urgently needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides an open pin shaft with a conical section.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides an opening round pin axle that contains conic section, includes the round pin axle body, be equipped with conic section district on the round pin axle body, it has the shaft hole to open in the round pin axle body, and round pin axle body one side outer wall is opened has the segmental arc notch, and the segmental arc notch runs through round pin axle body inner wall and shaft hole intercommunication.
Furthermore, the section of the pin shaft body after the arc-section notch is formed is a groove surface.
Further, the inclination angle of the cone section area is between 0 and 30 degrees.
Furthermore, the length of the taper section area is 1/4-3/4 of the length of the pin shaft body.
Furthermore, both ends of the pin shaft body are provided with chamfer surfaces.
Further, the number of the cone section area is at least one.
The utility model has the beneficial effects that:
1. through opening the setting that has segmental arc notch and last cone region and cone region maximum diameter down at round pin axle body outer wall for comparatively simple when round pin axle body installation, and make round pin axle body have elasticity, it is comparatively laborsaving, avoided external force to beat the condition of popping out or chapping the pilot hole, improved the security performance of operation.
2. Through setting the conic section district to different length and setting the both ends in conic section district to different sizes, can guarantee that the toper structure is light, convenient stretch into the pilot hole, effectively promoted assembly efficiency and promoted the guidance quality, further promoted the stability of round pin body assembly in the pilot hole.
3. Through setting up the cone section district of different quantity, can be when inserting the assembly hole with round pin axle body, furthest's assurance round pin axle body intensity itself has improved the life of device.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment 1 of an open pin shaft including a tapered section according to the present invention;
FIG. 2 is an assembly view of an embodiment 1 of a split pin shaft with a tapered section according to the present invention;
fig. 3 is a schematic structural view of an embodiment 2 of an open pin shaft including a tapered section according to the present invention;
fig. 4 is a schematic structural diagram of an embodiment 3 of the split pin shaft including a tapered section according to the present invention.
In the figure: 1. a pin shaft body; 101. an upper cone section; 102. a lower cone region; a top section 103, a bottom section 104; 2. chamfering; 3. a groove surface; 4. a shaft hole; 5. an arc segment notch; 6. an assembly member; 601. And (7) assembling holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. It should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and their meaning in the context of this patent may be understood by those skilled in the art as appropriate.
Example 1
Referring to fig. 1 and 2, an opening pin shaft containing a conical section comprises a pin shaft body 1, wherein the pin shaft body 1 is provided with a conical section area, a shaft hole 4 is formed in the pin shaft body 1, the outer wall of one side of the pin shaft body 1 is provided with an arc section notch 5, four vertexes on the cross section of the arc section notch 5 are connected to form an isosceles trapezoid structure, the included angle between the trapezoid waist and the height is 0-30 degrees, the arc section notch 5 penetrates through the inner wall of the pin shaft body 1 and is communicated with the shaft hole 4, and the cross section of the pin shaft body 1 after passing through the arc section notch 5 is a groove surface 3.
Referring to fig. 1 and 2, in this embodiment, the tapered section area is divided into two upper tapered section areas 101 and two lower tapered section areas 102, the pin shaft body 1 is sequentially provided with the upper tapered section area 101 and the lower tapered section area 102 which are thin at the top and thick at the bottom, the specific inclination angle of the upper tapered section area 101 is between 0 and 20 degrees, the inclination angle of the lower tapered section area 102 is between 2 and 20 degrees, the length of the upper tapered section area 101 is 1/3 of the pin shaft body 1, the length of the lower tapered section area 102 is 2/3 of the pin shaft body 1, the maximum diameter of the upper tapered section area 101 is smaller than the diameter of the assembly hole 601, and the maximum diameter of the lower tapered section area 102 is larger than the diameter of the assembly hole 601.
The two ends of the pin shaft body 1 are provided with chamfer surfaces 2, and the chamfer surfaces 2 are in contact with the assembly holes 601.
The working principle of the embodiment is as follows: when the assembling pin is used, the top end of the pin body 1 is inserted into the assembling hole 601 of the assembling part 6, the maximum diameter of the upper conical section area 101 is smaller than the diameter of the assembling hole 601, so that the upper conical section area 101 can be easily inserted into the assembling hole 601, and the maximum diameter of the lower conical section area 102 is larger than the diameter of the assembling hole 601, so that part of a shaft body of the lower conical section area 102 is exposed outside the assembling part 6.
Example 2
Referring to fig. 3, the present embodiment is different from embodiment 1 in that the inclination angles of the upper tapered area 101 and the lower tapered area 102 are the same and are both between 0 and 20 degrees, the lengths of the upper tapered area 101 and the lower tapered area 102 are 1/2 of the length of the pin body 1, and the maximum diameter of the upper tapered area 101 and the maximum diameter of the lower tapered area 102 are both smaller than the diameter of the assembly hole 601, that is, the tapered areas can completely enter the assembly hole 601, that is, the pin body 1 can completely enter the assembly hole 601.
The working principle of the embodiment is as follows: when the pin shaft body 1 is used, the top end of the pin shaft body 1 is inserted into the assembly hole 601 of the assembly part 6, and the maximum diameter of the upper conical section area 101 and the maximum diameter of the lower conical section area 102 are smaller than the diameter of the assembly hole 601, so that the pin shaft body 1 can completely enter the assembly hole 601.
Example 3
Referring to fig. 4, the present embodiment is different from embodiments 1 and 2 in that only one conical section 105 is provided, specifically, the pin body 1 is divided into 3 sections, a top section 103, a bottom section 104 and a middle section, the conical section 105 is provided in the middle section, the length of the conical section 105 is 1/3 of the length of the pin body 1, the inclination angle of the conical section 105 is between 0 and 20 degrees, the maximum diameter of the top section 103 is smaller than the diameter of the assembly hole 601, the maximum diameter of the bottom section 104 is larger than the diameter of the assembly hole 601, and the diameter of the assembly hole 601 is between the minimum diameter and the maximum diameter of the conical section 105.
The working principle of the embodiment is as follows: when the assembling pin is used, the top end of the pin shaft body 1 is inserted into the assembling hole 601 of the assembling part 6, the top section 103 of the pin shaft body 1 can completely enter the assembling hole 601, the conical section area 105 partially enters the assembling hole 601, and the bottom section 104 is completely exposed out of the assembling hole 601.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. The utility model provides an opening round pin axle that contains conic section, includes round pin axle body (1), its characterized in that, be equipped with conic section district on round pin axle body (1), it has shaft hole (4) to open in round pin axle body (1), and the outer wall of round pin axle body (1) one side is opened has segmental arc notch (5), and segmental arc notch (5) run through round pin axle body (1) inner wall and shaft hole (4) intercommunication.
2. The split pin shaft comprising a tapered section as claimed in claim 1, wherein: the section of the pin shaft body (1) after the arc-section notch (5) is formed is a groove surface (3).
3. The split pin shaft comprising a tapered section as claimed in claim 1, wherein: the inclined angle of the cone section area is between 0 and 30 degrees.
4. A split pin having a tapered section as defined in claim 3, wherein: the length of the conical section area is 1/4-3/4 of the length of the pin shaft body (1).
5. The split pin shaft comprising a tapered section as claimed in claim 1, wherein: the two ends of the pin shaft body (1) are provided with chamfer surfaces (2).
6. The split pin shaft comprising a tapered section as claimed in claim 4, wherein: the number of the cone section area is at least one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123260331.3U CN216519069U (en) | 2021-12-23 | 2021-12-23 | Split pin shaft with conical section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123260331.3U CN216519069U (en) | 2021-12-23 | 2021-12-23 | Split pin shaft with conical section |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216519069U true CN216519069U (en) | 2022-05-13 |
Family
ID=81502543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123260331.3U Active CN216519069U (en) | 2021-12-23 | 2021-12-23 | Split pin shaft with conical section |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216519069U (en) |
-
2021
- 2021-12-23 CN CN202123260331.3U patent/CN216519069U/en active Active
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| GR01 | Patent grant |