Quick-change fastener for engines

Abstract

The utility model relates to the technical field of fastener for engine, and disclose a kind of fastener for engine of quick replacement, including cap portion, the bottom of cap portion is fixed with screw rod, the surface and inside of cap portion are provided with reminding assembly, the fastener for engine of quick replacement, by the reminding assembly of setting, when bottom plate contacts workpiece surface, continuously rotate cap portion, bottom plate drives slide rod to move into cavity, slide rod drives sliding ring to move close to fixed ring, simultaneously sliding ring drives short rod synchronous movement, the surface of short rod and the inner wall of connecting groove are in contact, fixed cylinder is positive, when tightening, bottom plate is completely entered into containing groove, green coating is parallel with observation hole, personnel can be reminded that it has been tightened at this time, avoid the occurrence of slip silk by continuous rotation, when screw rod loosens, spring releases, bottom plate, slide rod, short rod reset movement, through connecting groove, fixed cylinder reverses, red coating is displayed in observation hole, personnel can observe loosening condition from outside.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of fastener for engine, specifically to a fastener for engine of quick replacement. BACKGROUND

[0002] As the core power component in modern mechanical equipment, the stable operation of engine is very important for the performance of the whole mechanical system. During the assembly and maintenance of engine, the bolt as the key fastener plays an important role in connecting and fixing various components.

[0003] The existing bolt cannot know the fastening degree when installing, and will slip when continuously rotating, which affects the use. Meanwhile, when the bolt is loosened by external or internal factors during long-term use, personnel cannot observe from the outside, which affects the use. UTILITY MODEL CONTENT

[0004] The utility model discloses a fastener for engine of quick replacement, which solves the problems in the background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a fastener for engine of quick replacement, including cap portion, the bottom of cap portion is fixed with screw rod, the surface and inside of cap portion are provided with reminding component;

[0006] The reminding component includes:

[0007] Accommodation groove is used for accommodating bottom plate;

[0008] Slide rod is used for driving slide ring to move;

[0009] Bottom plate is used for driving slide rod and slide ring to move synchronously;

[0010] Linkage is used for reminding tightness.

[0011] Preferably, the accommodation groove is opened in the bottom of the cap portion, the surface of the cap portion is provided with the slide rod, the slide rod penetrates through the cap portion, and the slide rod is in sliding connection with the cap portion, the bottom of the slide rod is fixed with the bottom plate, the top of the slide rod is fixed with the slide ring, the inside of the cap portion is provided with the cavity, the slide ring is in sliding connection with the inner wall of the cavity, the side, away from the slide ring, of the slide ring is fixed with the spring, the end, away from the slide ring, of the spring is fixed with the fixed ring, the fixed ring is fixed on the inner wall of the cavity, the reminding component further includes the linkage, when the bottom plate contacts the surface of the workpiece, continuously rotating the cap portion, the bottom plate drives the slide rod to move into the cavity, and the slide rod drives the slide ring to move close to the fixed ring.

[0012] Preferably, the linkage comprises a short rod fixed on the surface of the sliding ring, the inner wall of the cavity is rotationally connected with a fixed cylinder, the inner side of the fixed cylinder is provided with a connecting groove, the end of the short rod away from the sliding ring extends into the connecting groove, and the short rod is in contact with the inner wall of the connecting groove, the top of the cap portion is provided with an observation hole, the side of the fixed cylinder close to the observation hole is coated with a green coating, the surface of the fixed cylinder away from the green coating is coated with a red coating, the short rod surface is in contact with the inner wall of the connecting groove, the fixed cylinder rotates in a positive direction, when tightened, the bottom plate completely enters the containing groove, the green coating is parallel to the observation hole, when the screw is loosened, the spring is released, the bottom plate, the sliding rod and the short rod are reset and moved, the fixed cylinder is reversed through the connecting groove, and the red coating is displayed in the observation hole.

[0013] Preferably, the inner side of the sliding ring is fixed with a positioning block, the inner side of the cavity is provided with a positioning groove, and the positioning block is slidingly connected to the inner wall of the positioning groove, so that the movement of the sliding ring is stabilized.

[0014] Preferably, the containing groove is consistent with the shape of the bottom plate, so that the bottom plate is conveniently entered.

[0015] Preferably, the connecting groove is arc-shaped, and the short rod can rotate the fixed cylinder when moving.

[0016] Compared with the prior art, the utility model provides a fast -replaceable fastener for engine has the following beneficial effects:

[0017] The fast -replaceable fastener for engine, through the setting of the reminding component, when the bottom plate contacts the surface of the workpiece, continuously rotates the cap portion, the bottom plate drives the sliding rod to move into the cavity, the sliding rod drives the sliding ring to move close to the fixed ring, and the sliding ring drives the short rod to move synchronously, the short rod surface is in contact with the inner wall of the connecting groove, the fixed cylinder rotates in a positive direction, when tightened, the bottom plate completely enters the containing groove, the green coating is parallel to the observation hole, personnel can be reminded that the screw is tightened at the moment, continuous rotation is avoided to occur silk, when the screw is loosened, the spring is released, the bottom plate, the sliding rod and the short rod are reset and moved, the fixed cylinder is reversed through the connecting groove, and the red coating is displayed in the observation hole, and personnel can observe the loosening condition from the outside. ACCURACY OF DRAWINGS

[0018] Figure 1 It is a front view structural schematic diagram of the utility model;

[0019] Figure 2 It is a bottom view structural schematic diagram of the utility model;

[0020] Figure 3 It is an explosion structural schematic diagram of the cap portion and the reminding component of the utility model;

[0021] Figure 4 It is an explosion structural schematic diagram of the cap portion, the cavity, the positioning groove, the fixed cylinder and the connecting groove of the utility model;

[0022] Figure 5 It is an explosion plan view structure schematic diagram of part reminding assembly.

[0023] In the figure: 1, cap part; 3, screw rod; 2, reminding assembly; 20, containing groove; 21, sliding rod; 22, bottom plate; 23, sliding ring; 24, spring; 25, fixed ring; 26, positioning block; 27, positioning groove; 28, linkage; 280, short rod; 281, fixed cylinder; 282, connecting groove; 283, observation hole; 284, green coating; 285, red coating; 29, cavity. DETAILED DESCRIPTION

[0024] As Figures 1-5 shown, the utility model provides a kind of fast replaceable fastener for engine, including cap part 1, the bottom of cap part 1 is fixed with screw rod 3, the surface and inside of cap part 1 are provided with reminding assembly 2, reminding assembly 2 includes: containing groove 20, sliding rod 21, bottom plate 22, sliding ring 23, spring 24, fixed ring 25, positioning block 26, positioning groove 27, linkage 28, cavity 29, short rod 280, fixed cylinder 281, connecting groove 282, observation hole 283, green coating 284, red coating 285.

[0025] Containing groove 20 is opened in the bottom of cap part 1, the surface of cap part 1 is provided with sliding rod 21, sliding rod 21 penetrates cap part 1, and sliding rod 21 is slidably connected with cap part 1, the bottom of sliding rod 21 is fixed with bottom plate 22, the top of sliding rod 21 is fixed with sliding ring 23, the inside of cap part 1 is opened with cavity 29, sliding ring 23 is slidably connected on the inner wall of cavity 29, the side of sliding ring 23 away from sliding rod 21 is fixed with spring 24, the end of spring 24 away from sliding ring 23 is fixed with fixed ring 25, fixed ring 25 is fixed on the inner wall of cavity 29, reminding assembly 2 further includes linkage 28, the inside of sliding ring 23 is fixed with positioning block 26, the inside of cavity 29 is opened with positioning groove 27, positioning block 26 is slidably connected on the inner wall of positioning groove 27, containing groove 20 is identical with the shape of bottom plate 22, when bottom plate 22 contacts workpiece surface, continuously rotating cap part 1, bottom plate 22 drives sliding rod 21 to move into cavity 29, sliding rod 21 drives sliding ring 23 to move close to fixed ring 25, simultaneously, sliding ring 23 drives short rod 280 to move synchronously.

[0026] The linkage 28 comprises a short rod 280 fixed on the surface of the sliding ring 23, the inner wall of the cavity 29 is rotationally connected with a fixed cylinder 281, the inner side of the fixed cylinder 281 is provided with a connecting groove 282, the end of the short rod 280 away from the sliding ring 23 extends into the connecting groove 282, and the short rod 280 is in abutment with the inner wall of the connecting groove 282, the top of the cap part 1 is provided with an observation hole 283, the side of the fixed cylinder 281 close to the observation hole 283 is coated with a green coating 284, the surface of the fixed cylinder 281 away from the green coating 284 is coated with a red coating 285, the connecting groove 282 is arc-shaped, the surface of the short rod 280 is in abutment with the inner wall of the connecting groove 282, the fixed cylinder 281 rotates in a positive direction, when being tightened, the bottom plate 22 is completely in the containing groove 20, the green coating 284 is parallel to the observation hole 283, so as to remind the personnel that the tightening has been completed, and continuous rotation is avoided to cause the screw thread to slip, when the screw rod 3 is loosened, the spring 24 is released, the bottom plate 22, the sliding rod 21 and the short rod 280 are reset and moved, the fixed cylinder 281 is reversed through the connecting groove 282, and the red coating 285 is displayed in the observation hole 283, so that the personnel can observe the loosening condition from the outside.

[0027] When being installed, the cap part 1 is used to continuously tighten the screw rod 3, when the bottom plate 22 contacts the surface of the workpiece, the cap part 1 is continuously rotated, at this time, the bottom plate 22 drives the sliding rod 21 to move into the cavity 29, and the sliding rod 21 drives the sliding ring 23 to move close to the fixed ring 25, the spring 24 is compressed, and at the same time, the sliding ring 23 drives the short rod 280 to synchronously move when the sliding ring 23 moves, the movement of the sliding ring 23 is stabilized through the positioning block 26 and the positioning groove 27, at this time, the surface of the short rod 280 is in abutment with the inner wall of the connecting groove 282, so as to drive the fixed cylinder 281 to rotate in a positive direction, when being tightened, the bottom plate 22 is completely in the containing groove 20, and the green coating 284 is parallel to the observation hole 283, so as to remind the personnel that the tightening has been completed, and continuous rotation is avoided to cause the screw thread to slip, when being used for a long time, the spring 24 is released when the screw rod 3 is loosened, so as to drive the bottom plate 22, the sliding rod 21 and the short rod 280 to reset and move, so that the fixed cylinder 281 is reversed through the connecting groove 282, at this time, the red coating 285 is displayed in the observation hole 283, so that the personnel can observe the loosening condition from the outside, and accidents are avoided, the combination of the cap part 1 and the screw rod 3 is convenient for quick dismounting and installation, and is convenient for quick replacement.

[0028] The above is a detailed description of the utility model, but some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, the modifications or improvements without departing from the spirit of the utility model are within the protection scope of the utility model.

Claims

1. A quick-replaceable engine fastener, comprising a cap (1), characterized in that: The bottom of the cap (1) is fixed with a screw (3), and a reminder component (2) is provided on the surface and inside of the cap (1); The reminder component (2) includes: A receiving groove (20) is used to receive a base plate (22); Slide rod (21) is used to drive the slip ring (23) to move; The base plate (22) is used to drive the slide rod (21) and the slip ring (23) to move synchronously; Linkage (28) is used to remind you of tightness.

2. The quick-replaceable engine fastener according to claim 1, characterized in that: The receiving groove (20) is opened at the bottom of the cap (1). A slide rod (21) is provided on the surface of the cap (1). The slide rod (21) passes through the cap (1) and is slidably connected to the cap (1). A base plate (22) is fixed at the bottom of the slide rod (21). A slip ring (23) is fixed at the top of the slide rod (21). A cavity (29) is opened inside the cap (1). The slip ring (23) is slidably connected to the inner wall of the cavity (29). A spring (24) is fixed on the side of the slip ring (23) away from the slide rod (21). A fixing ring (25) is fixed at the end of the spring (24) away from the slip ring (23). The fixing ring (25) is fixed on the inner wall of the cavity (29). The reminder component (2) also includes a linkage (28).

3. A quick-replaceable engine fastener according to claim 2, characterized in that: The linkage (28) includes a short rod (280) fixed to the surface of the slip ring (23). A fixed cylinder (281) is rotatably connected to the inner wall of the cavity (29). A connecting groove (282) is provided on the inner side of the fixed cylinder (281). The end of the short rod (280) away from the slip ring (23) extends into the connecting groove (282) and abuts against the inner wall of the connecting groove (282). An observation hole (283) is provided on the top of the cap (1). A green coating (284) is applied to the side of the fixed cylinder (281) near the observation hole (283). A red coating (285) is applied to the surface of the fixed cylinder (281) away from the green coating (284).

4. A quick-replaceable engine fastener according to claim 2, characterized in that: A positioning block (26) is fixed on the inner side of the slip ring (23), and a positioning groove (27) is provided on the inner side of the cavity (29). The positioning block (26) is slidably connected to the inner wall of the positioning groove (27).

5. A quick-replaceable engine fastener according to claim 1, characterized in that: The receiving groove (20) has the same shape as the bottom plate (22).

6. A quick-replaceable engine fastener according to claim 3, characterized in that: The connecting groove (282) is set to be arc-shaped.

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