CN215908213U

CN215908213U - Anti-loosening multifunctional pin capable of drilling

Info

Publication number: CN215908213U
Application number: CN202122255208.6U
Authority: CN
Inventors: 杨伟
Original assignee: Suzhou Huirenyou Fastener Co ltd
Current assignee: Suzhou Huirenyou Fastener Co ltd
Priority date: 2021-09-17
Filing date: 2021-09-17
Publication date: 2022-02-25
Anticipated expiration: 2031-09-17

Abstract

The utility model discloses a multifunctional pin capable of preventing loosening and drilling, which comprises: the drill bit is arranged on one side of the pin rod, the pin rod penetrates through the pin sleeve, and the nut is matched with the drill bit. The multifunctional pin capable of preventing loosening and drilling provided by the utility model has the advantages that the structure of the pin is optimized, the drill bit is arranged on one side of the pin rod, the pin rod can play a role of a connecting piece, meanwhile, drilling can be carried out according to needs, the multifunctional effect is realized, meanwhile, the nut is matched with the pin rod, the drill bit does not need to be taken out after the connected piece is drilled, the nut is screwed into the drill bit, axial force is applied to the pin rod, the purpose of fixing two ends of the connected piece with the nut after the pin sleeve is deformed is achieved, the amount of manual labor is reduced, and the working efficiency is improved.

Description

Anti-loosening multifunctional pin capable of drilling

Technical Field

The utility model belongs to the field of mechanical structure assembling and positioning, and particularly relates to a multifunctional pin capable of preventing loosening and drilling.

Background

The pin fixes several independent articles together or hangs the support on another article as an article, and traditional pin is under the temperature variation or the vibration condition, and the risk that takes place the pine easily, and the pin needs to punch in advance when using, then assembles the pin into, and in the occasion that needs a large amount of pins to use, traditional pin assembly is inefficient.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: in order to overcome the defects, the utility model aims to provide the multifunctional pin capable of preventing loosening and drilling, the structure of the pin is optimized, the drill bit is arranged on one side of the pin rod, the pin rod can play a role of a connecting piece, meanwhile, the multifunctional pin can be drilled according to requirements, the multifunctional effect is realized, meanwhile, the nut is matched with the pin rod, the drill bit does not need to be taken out after the connected piece is drilled, the nut is screwed into the drill bit, the axial force is applied to the pin rod, and the purpose of fixing two ends of the connected piece with the nut after the pin sleeve is deformed is achieved.

The technical scheme is as follows: in order to achieve the above object, the present invention provides a multi-functional pin for preventing loosening and drilling, comprising: the drill bit is arranged on one side of the pin rod, the pin rod penetrates through the pin sleeve, and the nut is matched with the drill bit. The multifunctional pin capable of preventing loosening and drilling provided by the utility model has the advantages that the structure of the pin is optimized, the multifunctional pin can play a role of a connecting piece by arranging the drill bit on one side of the pin rod, meanwhile, drilling can be carried out according to needs, a multifunctional effect is realized, meanwhile, the nut is matched with the pin rod, the drill bit does not need to be taken out after the connected piece is drilled, the nut is screwed into the drill bit, axial force is applied to the pin rod, and the purpose of fixing two ends of the connected piece by the nut after the pin sleeve is deformed is achieved, so that the pin sleeve can better meet the market needs.

The drill bit is in a ladder shape and comprises a ladder drill bit section and a drill rod section, the ladder drill bit section is arranged at one end of the drill rod section, and one end, far away from the ladder drill bit section, of the drill rod section is connected with the pin rod.

Furthermore, the stepped drill bit section comprises a positioning guide section and a reaming section, the positioning guide section is arranged at one end of the reaming section, and one end, far away from the positioning guide section, of the reaming section is connected with the drill rod section. The setting of location direction section not only can the trompil, can also play the effect of location simultaneously, avoids appearing the problem of beating partially.

Preferably, the drill rod section is provided with a thread and a chip groove, and the thread extends from the cutting edge to the pin rod.

Furthermore, a step blade is arranged on the reaming section, an auxiliary chip groove is formed in one side of the step blade and communicated with the chip groove. The design that the auxiliary chip removal groove is communicated with the chip removal groove enables the chip removal groove to remove chips in time in the machining process, and the problem of blockage is avoided.

Further preferably, the chip grooves and the auxiliary chip grooves are helical. The spiral chip removal groove and the auxiliary chip removal groove are designed, so that chip removal is smoother.

In addition, a guide blade is arranged on the positioning guide section and is coaxial with the stepped blade.

Furthermore, one side of the guide blade is provided with a guide chip groove which penetrates through the whole pin.

Furthermore, be equipped with the fixing base on the pin pole, the drill bit one end is kept away from at the pin pole to the fixing base setting, one side that the fixing base is close to the pin bushing is conical, just the radial cross sectional shape of fixing base is oblate.

Preferably, the pin bush is conical, and the diameter of the large end of the pin bush is larger than that of the fixed seat.

The technical scheme shows that the utility model has the following beneficial effects:

1. the multifunctional pin capable of preventing loosening and drilling provided by the utility model has the advantages that the structure of the pin is optimized, the drill bit is arranged on one side of the pin rod, the pin rod can play a role of a connecting piece, meanwhile, drilling can be carried out according to needs, the multifunctional effect is realized, meanwhile, the nut is matched with the pin rod, the drill bit does not need to be taken out after the connected piece is drilled, the nut is screwed into the drill bit, axial force is applied to the pin rod, the purpose of fixing two ends of the connected piece with the nut after the pin sleeve is deformed is achieved, the labor capacity is reduced, the working efficiency is improved, and therefore the pin rod can better meet the market needs.

2. The stepped drill bit section comprises a positioning guide section and a hole expanding section, the positioning guide section is arranged at one end of the hole expanding section, and one end, far away from the positioning guide section, of the hole expanding section is connected with the drill rod section. The setting of location direction section not only can the trompil, can also play the effect of location simultaneously, avoids appearing the problem of beating partially.

3. The design that the auxiliary chip groove is communicated with the chip groove enables the chip groove to discharge chips in time in the machining process, and the chip groove and the auxiliary chip groove are both spiral. The spiral chip removal groove and the auxiliary chip removal groove are designed, so that chip removal is smoother, and the problem of blockage is avoided.

4. The radial section of the fixing seat is oblate, and the oblate fixing seat is convenient to clamp and punch.

5. The guide blade is arranged on the step blade far away from the fixed seat, is coaxial with the step blade, and is smaller than the diameter of the drill bit, so that the punching correction is convenient to realize.

Drawings

FIG. 1 is a schematic structural view of a multi-functional anti-loosening drill-hole pin according to the present invention;

FIG. 2 is a schematic view of the construction of a drill bit and thread according to the present invention;

fig. 3 is a schematic structural view of the fixing base according to the present invention.

Detailed Description

The utility model is further elucidated with reference to the drawings and the embodiments.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Example 1

A multi-function pin for preventing loosening and drilling as shown in fig. 1 and 2, comprising: drill bit 1, pin rod 2, cotter 3 and nut 4, wherein, drill bit 1 is the echelonment, and it includes ladder drill bit section 11 and drilling rod section 12, the one end of drilling rod section 12 is located to ladder drill bit section 11, the one end that drilling rod section 12 kept away from ladder drill bit section 11 is connected with pin rod 2, drill bit 1 sets up the one side at pin rod 2, pin rod 2 passes pin sleeve 3, nut 4 cooperates with drill bit 1.

In this embodiment, the stepped drill bit section 11 includes a positioning guide section 111 and a reaming section 112, the positioning guide section 111 is disposed at one end of the reaming section 112, and one end of the reaming section 112 far away from the positioning guide section 111 is connected to the drill rod section 12.

The drill rod section 12 is provided with a thread 121 and a chip groove 122 in this embodiment, and the thread 121 extends from the cutting edge to the pin 2.

In this embodiment, the reaming section 112 is provided with a step blade 113, one side of the step blade 113 is provided with an auxiliary flute 114, and the auxiliary flute 114 is communicated with the flute 122.

In this embodiment, the flutes 122 and the secondary flutes 114 are helical.

In this embodiment, the positioning guide section 111 is provided with a guide blade 1111, and the guide blade 1111 is disposed coaxially with the step blade 113.

In this embodiment, one side of the guide blade 1111 is provided with a guide chip groove 1112, and the guide chip groove 1112 penetrates through the whole pin.

Example 2

A multi-function anti-loosening drillable pin as shown in figures 1 to 3 comprising: drill bit 1, pin rod 2, cotter 3 and nut 4, wherein, drill bit 1 is the echelonment, and it includes ladder drill bit section 11 and drilling rod section 12, the one end of drilling rod section 12 is located to ladder drill bit section 11, the one end that drilling rod section 12 kept away from ladder drill bit section 11 is connected with pin rod 2, drill bit 1 sets up the one side at pin rod 2, pin rod 2 passes pin sleeve 3, nut 4 cooperates with drill bit 1.

In this embodiment, the flutes 122 and the secondary flutes 114 are helical.

In this embodiment, be equipped with fixing base 21 on pin pole 2, fixing base 21 sets up and keeps away from drill bit 1 one end at the pin pole, one side that fixing base 21 is close to cotter 3 is conical, just fixing base 21's radial cross-sectional shape is oblate.

In this embodiment, the pin bush 3 is conical, and the diameter of the large end of the pin bush 3 is larger than that of the fixed seat 21.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the present invention, and these modifications should also be construed as the protection scope of the present invention.

Claims

1. The utility model provides a multi-functional pin of locking pine can bore which characterized in that: the method comprises the following steps: a drill bit (1),

Pin pole (2), cotter (3) and nut (4), drill bit (1) sets up in one side of pin pole (2), pin pole (2) pass cotter (3), nut (4) and drill bit (1) cooperation.

2. The multi-functional anti-loosening drillable pin according to claim 1, characterized in that:

the drill bit (1) is in a step shape and comprises a step drill bit section (11) and a drill rod section (12), wherein the step drill bit section (11) is arranged at one end of the drill rod section (12), and one end, far away from the step drill bit section (11), of the drill rod section (12) is connected with the pin rod (2).

3. The multi-functional anti-loosening drillable pin according to claim 2, characterized in that: the stepped drill bit section (11) comprises a positioning guide section (111) and a reaming section (112), the positioning guide section (111) is arranged at one end of the reaming section (112), and one end, far away from the positioning guide section (111), of the reaming section (112) is connected with the drill rod section (12).

4. The multi-functional anti-loosening drillable pin according to claim 3, characterized in that: be equipped with screw thread (121) and chip groove (122) on drill rod section (12), screw thread (121) extend to pin rod (2) from the cutting edge.

5. The multi-functional anti-loosening drillable pin according to claim 4, characterized in that: the reaming section (112) is provided with a step blade (113), one side of the step blade (113) is provided with an auxiliary chip groove (114), and the auxiliary chip groove (114) is communicated with the chip groove (122).

6. The multi-functional anti-loosening drillable pin according to claim 5, characterized in that: the chip grooves (122) and the auxiliary chip grooves (114) are both spiral.

7. The multi-functional anti-loosening drillable pin according to claim 4, characterized in that: be equipped with direction sword (1111) on location direction section (111), and direction sword (1111) and ladder sword (113) coaxial setting.

8. The anti-loosening drillable multifunctional pin according to claim 7, characterized in that: one side of direction sword (1111) is equipped with direction chip groove (1112), whole pin is run through to direction chip groove (1112).

9. The multi-functional anti-loosening drillable pin according to claim 1, characterized in that: be equipped with fixing base (21) on pin pole (2), drill bit (1) one end is kept away from in fixing base (21) setting at the pin pole, one side that fixing base (21) are close to cotter (3) is conical, just the radial cross sectional shape of fixing base (21) is oblate.

10. The multi-functional anti-loosening drillable pin according to claim 1, characterized in that: the pin sleeve (3) is conical, and the diameter of the large end of the pin sleeve (3) is larger than that of the fixed seat (21).