CN214788446U

CN214788446U - Fastening pin

Info

Publication number: CN214788446U
Application number: CN202120323427.0U
Authority: CN
Inventors: 张新平
Original assignee: Changsha Runda Intelligent Equipment Co ltd
Current assignee: Changsha Runda Intelligent Equipment Co ltd
Priority date: 2021-02-04
Filing date: 2021-02-04
Publication date: 2021-11-19
Anticipated expiration: 2031-02-04

Abstract

The utility model discloses a fastening pin for with the part chucking on supporting platform, include: the bottom end of the clamping seat is arranged on the supporting platform, and the clamping seat is provided with a vertically extending and transversely penetrating clamping groove and a clamping column longitudinally penetrating through the clamping groove; the bayonet lock, the relative lower surface slope of bayonet lock upper surface sets up, and the bayonet lock can move about to wear to establish in the draw-in groove and the upper surface can offset with the card post lower extreme, and the bayonet lock lower surface can offset with the part in order to press from both sides tight part, and both ends are equipped with first limit structure and second limit structure respectively about the bayonet lock, and first limit structure and second limit structure homoenergetic move to offset with the card post to prevent that the bayonet lock from breaking away from the draw-in groove. According to the utility model discloses the holding pin through set up first limit structure and second limit structure respectively at the both ends of bayonet lock and can both move about to offset with the jack post to when the bayonet lock is not hard up, the bayonet lock can not break away from the draw-in groove so that become invalid completely, and the upper and lower displacement of below part still can be restricted to the bayonet lock, makes the structure more stable.

Description

Fastening pin

Technical Field

The utility model relates to the technical field of mechanical equipment, especially, relate to a fastening pin.

Background

At present, with the spare part chucking on supporting platform, generally adopt a base and a fixture block cooperation, the cassette is connected on supporting platform and is equipped with the draw-in groove, the fixture block generally sets up conically, through filling in the draw-in groove with the taper fixture block, the fixture block receives the power that comes from the draw-in groove upper end to compress tightly part and supporting platform that will be located the fixture block below together, but this kind of structure is not very stable, when the fixture block is not hard up, just breaks away from out from the draw-in groove very easily, completely loses efficacy.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a fastening pin, stable in structure is difficult for droing.

According to the utility model discloses a holding pin for with the part chucking on supporting platform, include: the bottom end of the clamping seat is installed on the supporting platform, and a clamping groove which extends vertically and penetrates transversely and a clamping column which penetrates through the clamping groove longitudinally are arranged on the clamping seat; the bayonet lock, the relative lower surface slope of bayonet lock upper surface sets up and left end thickness is greater than right-hand member thickness, the bayonet lock can move about to wear to establish in the bayonet lock and the upper surface can with the jack-post lower extreme offsets, the bayonet lock lower surface can with the part offsets in order to press from both sides tightly the part, both ends are equipped with first limit structure and second limit structure respectively about the bayonet lock, first limit structure with the second limit structure homoenergetic move to with the jack-post offsets, in order to prevent the bayonet lock breaks away from the bayonet lock.

According to the utility model discloses a fastening pin has following technological effect at least: through setting up the relative lower surface slope of bayonet lock upper surface, and set up the card post and make it offset with the bayonet lock upper surface, thereby make the bayonet lock receive the packing force of card post after filling in the bayonet lock with the part chucking of bayonet lock below on supporting platform, again through set up first limit structure and second limit structure respectively and can both move about to offset with the card post at the both ends of bayonet lock, thereby when the bayonet lock is not hard up, the bayonet lock can not break away from the bayonet lock so that completely inefficacy, the upper and lower displacement of part below still can be restricted to the bayonet lock, make the structure more stable.

According to some embodiments of the invention, the first limiting structure is an upwardly extending protrusion.

According to some embodiments of the present invention, the bayonet lock left end is provided with a striking surface perpendicular to the lower surface of the bayonet lock.

According to some embodiments of the present invention, the lower end of the striking surface is provided with a chamfer extending to the lower surface of the bayonet pin.

According to some embodiments of the utility model, the second limit structure does the kink that the bayonet pin right-hand member inwards buckled up and formed.

According to some embodiments of the utility model, the second limit structure outer wall sets up to the arc surface.

According to some embodiments of the utility model, second limit structure one end court first limit structure direction extension is formed with the extension, the extension with be formed with one between the bayonet lock and supply the U type groove that the bayonet lock card was gone into.

According to the utility model discloses a some embodiments, the cassette top is equipped with the mounting hole, can dismantle in the mounting hole and be connected with columnar structure, it is the open-ended constant head tank to set up the upper end on the extension, the constant head tank is used for the card to go into columnar structure is in order to hang the bayonet lock.

According to the utility model discloses a some embodiments, the mounting groove has been seted up on the cassette top, the mounting hole is seted up the inner wall of mounting groove.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic view of an installation structure of a fastening pin according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of a fastening pin according to an embodiment of the present invention.

Reference numerals:

the card seat 100, the card slot 110, the card column 120, the mounting hole 130 and the mounting groove 140;

bayonet 200, first stop structure 210, striking surface 211, chamfer 212, second stop structure 220, extension 230, detent 231.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like 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 exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

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", "outer", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, 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, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 and 2, the utility model provides a fastening pin for with part chucking on supporting platform, include: clamping seat 100 and clamping pin 200.

The bottom end of the card seat 100 is arranged on a supporting platform, a part is placed on the supporting platform, and specifically, a through hole is penetrated on the part and sleeved on the card seat 100; the card seat 100 is provided with a vertically extending and transversely penetrating card slot 110 and a card column 120 longitudinally penetrating the card slot 110, specifically, the card seat 100 is cylindrical, the upper end of the card slot 110 is open, so that the processing is convenient, and the card column 120 is a pin shaft; bayonet 200 upper surface sets up and left end thickness is greater than right-hand member thickness to the lower surface slope relatively, bayonet lock 200 can move about to wear to establish in draw-in groove 110 and the upper surface can offset with calorie post 120 lower extreme, its lower surface can offset with the part when bayonet lock 200 is filled in draw-in groove 110 from a left side right side, thereby compress tightly the part, both ends are equipped with first limit structure 210 and second limit structure 220 respectively about bayonet lock 200, first limit structure 210 and second limit structure 220 homoenergetic move to offset with calorie post 120, break away from draw-in groove 110 after preventing that bayonet lock 200 is not hard up.

The embodiment of the utility model provides a fastening pin, through setting up bayonet lock 200 upper surface lower surface slope relatively, and set up card post 120 that vertically runs through draw-in groove 110 and make it can offset with bayonet lock 200 upper surface, thereby make bayonet lock 200 fill in draw-in groove 110 from a left side turn right the back and receive the packing force of card post 120 with the part chucking of bayonet lock 200 below on supporting platform, again through set up first limit structure 210 and second limit structure 220 respectively and can both move about to offset with card post 120 at bayonet lock 200's both ends, thereby when bayonet lock 200 is not hard up, bayonet lock 200 can not break away from draw-in groove 110 so that it is inefficacy completely, bayonet lock 200 still can restrict the upper and lower displacement of below part, the structure is more stable.

Referring to fig. 2, in some embodiments of the present invention, the first limiting structure 210 is an upwardly extending protrusion and is integrally formed with the locking pin 200 for easy processing.

Referring to fig. 2, in some embodiments of the present invention, a striking surface 211 perpendicular to the lower surface of the bayonet 200 is disposed at the left end of the bayonet 200, so that an operator can strike the bayonet 200 with a hammer to compress a part, and the striking force direction and the moving direction of the bayonet 200 are on the same horizontal line.

Referring to fig. 2, in some embodiments of the present invention, the lower end of the knocking surface 211 is provided with a chamfer 212 extending to the lower surface of the bayonet 200, specifically, the chamfer may be a rounded corner or a chamfered corner, when the knocking surface 211 is stressed for many times, the deformation is easily generated, and the chamfer 212 provides a deformation buffer zone to avoid the interference between the knocking surface 211 and the part.

Referring to fig. 1 and 2, in some embodiments of the present invention, the second limiting structure 220 is a bending portion formed by bending the right end of the bayonet lock 200 upwards, so that when the bayonet lock 200 is not flexible and slides leftwards, the bending portion can hook the bayonet post 120, and the bayonet lock 200 is prevented from being separated from the bayonet groove 110.

Referring to fig. 1 and 2, in some embodiments of the present invention, the second limiting structure 220, i.e. the outer wall of the bending portion, is set to be an arc surface, when installing the bayonet lock 200, hooks the clamping column 120 with one end of the bending portion, and then rotates the bayonet lock 200 along the outer wall of the bending portion, so as to plug the bayonet lock 200 into the portion of the clamping groove 110 located below the clamping column 120, and the installation operation is convenient and fast.

Referring to fig. 2, in some embodiments of the present invention, an extension 230 is formed by extending one end of the second limiting structure 220 toward the first limiting structure 210, and a U-shaped groove for the clamping column 120 to be clamped in is formed between the extension 230 and the clamping pin 200, so that the limiting effect is enhanced, and the clamping pin 200 is more difficult to disengage from the clamping groove 110 from the right end to the left.

Referring to fig. 1, in some embodiments of the present invention, the top of the clamping seat 100 is provided with a mounting hole 130, a cylindrical structure is detachably connected in the mounting hole 130, an upper end of the extending portion 230 is provided with a positioning groove 231, specifically, the cylindrical structure is an elastic split pin, the positioning groove 231 is in a shape of a "convex" shape, and the upper end is small and the lower end is large, so that the positioning groove 231 can be clamped on the cylindrical structure to hang the clamping pin 200, and the clamping pin 200 can be prevented from being lost when the clamping pin 200 is not needed.

Referring to fig. 1, in some embodiments of the present invention, the mounting groove 140 is formed on the top end of the card seat 100, and the mounting hole 130 is formed on the inner wall of the mounting groove 140, so that the mounting hole 130 can be more conveniently processed.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example" or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A fastening pin for clamping a part to a support platform, comprising:

the bottom end of the clamping seat (100) is installed on the supporting platform, and a clamping groove (110) which extends vertically and penetrates transversely and a clamping column (120) which penetrates through the clamping groove (110) longitudinally are arranged on the clamping seat (100);

bayonet lock (200), the relative lower surface slope of bayonet lock (200) upper surface sets up and left end thickness is greater than right-hand member thickness, bayonet lock (200) can move about to wear to establish in draw-in groove (110) and the upper surface can with calorie post (120) lower extreme offsets, bayonet lock (200) lower surface can with the part offsets in order to press from both sides tightly the part, both ends are equipped with first limit structure (210) and second limit structure (220) respectively about bayonet lock (200), first limit structure (210) with second limit structure (220) homoenergetic move to with calorie post (120) offset, in order to prevent bayonet lock (200) break away from draw-in groove (110).

2. A fastening pin according to claim 1, wherein the first stop formation (210) is an upwardly extending projection.

3. A fastening pin according to claim 1, wherein said bayonet (200) is provided at its left end with a striking surface (211) perpendicular to the lower surface of said bayonet (200).

4. A fastening pin according to claim 3, wherein the lower end of the striking surface (211) is provided with a chamfer (212) extending to the lower surface of the bayonet (200).

5. The fastening pin according to claim 1, wherein the second limiting structure (220) is a bent portion formed by bending the right end of the locking pin (200) upwards and inwards.

6. The fastening pin according to claim 5, wherein the outer wall of the second limit structure (220) is configured as a circular arc surface.

7. The fastening pin according to claim 5, wherein an extension part (230) is formed at one end of the second limiting structure (220) extending towards the first limiting structure (210), and a U-shaped groove into which the clamping column (120) can be clamped is formed between the extension part (230) and the clamping pin (200).

8. The fastening pin according to claim 7, wherein a mounting hole (130) is formed at the top end of the clamping seat (100), a columnar structure is detachably connected in the mounting hole (130), a positioning groove (231) with an open upper end is formed in the extending portion (230), and the positioning groove (231) is used for being clamped into the columnar structure to hang the clamping pin (200).

9. The fastening pin according to claim 8, wherein a mounting groove (140) is formed at a top end of the clamping seat (100), and the mounting hole (130) is formed in an inner wall of the mounting groove (140).