CN217558736U

CN217558736U - Structure for preventing upper cylinder cover bolt from being abraded

Info

Publication number: CN217558736U
Application number: CN202221643255.6U
Authority: CN
Inventors: 朱建林
Original assignee: Haiyan Shangjia Hardware Co ltd
Current assignee: Haiyan Shangjia Hardware Co ltd
Priority date: 2022-06-28
Filing date: 2022-06-28
Publication date: 2022-10-11
Anticipated expiration: 2032-06-28

Abstract

The utility model belongs to the technical field of the bolt abrasionproof decreases. Especially, prevent structure of upper cylinder cover bolt wearing and tearing, including the nut, the nut inner wall has set firmly the screw rod, the mounting groove has been seted up at the screw rod top, mounting groove inner wall both sides are the longitudinal symmetry structure respectively and have seted up a plurality of oilholes, the mounting groove bottom has set firmly spring one, spring one top has set firmly the stopper. Pour lubricating oil into inside the mounting groove, through inside injecting interior hexagonal spanner into the mounting groove, promote the stopper along mounting groove inner wall lapse, make lubricating oil flow to the junction between bolt and last cylinder cap and the cylinder body through the oilhole, block monkey wrench on the nut, through rotating interior hexagonal spanner and monkey wrench simultaneously, thereby dismantle the bolt, extend interior hexagonal spanner to inside the mounting groove, when rotating the bolt, make bolt overall structure's atress more stable, avoid only through the nut at rotation bolt top, lead to the nut atress too big, wear and tear appears.

Description

Structure for preventing upper cylinder cover bolt from being abraded

Technical Field

The utility model relates to a bolt abrasionproof decreases technical field, especially relates to a prevent structure of upper cylinder cover bolt wearing and tearing.

Background

The cylinder cover is generally cast by gray cast iron or alloy cast iron, and the aluminum alloy has good heat conductivity and is beneficial to improving the compression ratio. The cylinder head is mounted on the cylinder body, and seals the cylinder from the upper part to form a combustion chamber. It is often in contact with high temperature and pressure gas and is therefore subjected to significant thermal and mechanical loads. The cylinder cover of the water-cooled engine is internally provided with a cooling water jacket, and a cooling water hole on the lower end surface of the cylinder cover is communicated with a cooling water hole of the cylinder body. Circulating water is used to cool high temperature parts such as a combustion chamber.

Go up the installation between cylinder cap and the cylinder body and mainly be connected through the bolt, and required bolt length is longer relatively, when using, operating personnel rotates the nut through the spanner and screws in the cylinder cap inside with the screw rod precession, thereby accomplish the connection, can through the counter-rotation nut during dismantlement, when the bolt is connected more jail with last cylinder cap and cylinder body, rotate the nut through the spanner this moment, it is difficult to unscrew the screw rod, dismantle the in-process, because screw rod length is longer, in case when exerting oneself too big, lead to the nut edges and corners wearing and tearing to appear easily, thereby the phenomenon of skidding appears, lead to the more difficult dismantlement of bolt.

SUMMERY OF THE UTILITY MODEL

Based on current bolt abrasionproof decreases technical problem, the utility model provides a prevent structure of upper cylinder head bolt wearing and tearing.

The utility model provides a structure for prevent upper cylinder cover bolt wearing and tearing, the nut comprises a nut, the nut inner wall has set firmly the screw rod, the mounting groove has been seted up at the screw rod top, mounting groove inner wall both sides are the longitudinal symmetry structure respectively and have seted up a plurality of oilholes, the mounting groove bottom has set firmly spring one, a spring top has set firmly the stopper.

Preferably, the mounting groove is of an equilateral hexagonal structure, and the oil holes are respectively located on the side wall of the mounting groove.

Preferably, the stopper is including the slider, slider inner wall bottom has set firmly the slide bar, slide bar circumference outer wall cover is equipped with spring two, slide bar top sliding connection has the top cap.

Preferably, the top cover is connected with the inner wall of the sliding block in a sliding mode, one end of the second spring is fixedly connected with the inner wall of the sliding block, and the other end of the second spring is fixedly connected with the top cover.

Preferably, the top cover bottom is the annular symmetrical structure and has set firmly two push pedals, the push pedal has seted up the spout by outer one side.

Preferably, the slider inner wall is symmetrical structure and is equipped with two connecting rods, the connecting rod has set firmly the dop by outer one end, connecting rod circumference outer wall cover is equipped with spring three, connecting rod circumference outer wall sliding connection has the sliding sleeve, the connecting rod inner sets firmly the stop collar.

Preferably, the connecting rod is connected with the inner wall of the sliding groove in a sliding mode, and one end, close to the outer side, of the clamping head extends to the outer side of the sliding block and is connected with the inner wall of the sliding block in a sliding mode.

Preferably, three one ends of the spring are connected and fixed with the sliding sleeve, and the other ends of the spring are connected and fixed with the clamping head.

Preferably, the sliding sleeve is fixedly connected with the inner wall of the sliding block, and the push plate is positioned between the sliding sleeve and the limiting sleeve.

The utility model provides a beneficial effect does:

1. pouring lubricating oil into the mounting groove, through inject hexagon socket wrench inside the mounting groove, produce the extrusion to spring one, promote the stopper along mounting groove inner wall lapse, make lubricating oil flow to the junction between bolt and last cylinder cap and the cylinder body through the oilhole, block the monkey wrench on the nut, through rotating hexagon socket wrench and monkey wrench simultaneously, thereby dismantle the bolt, inside this design extends to the mounting groove with hexagon socket wrench, when rotating the bolt, make bolt overall structure's atress more stable, avoid only the nut through rotating the bolt top, lead to the nut atress too big, the wearing and tearing appear, can play the lubrication action through lubricating oil simultaneously, reduce the friction between bolt and cylinder cap and the cylinder body.

2. Produce the extrusion through the top cap of round bar on to the slider for two push pedals in top cap bottom extrude the stop collar, the stop collar drives connecting rod and dop and slides to the slider inside this moment, remove the slider to the mounting groove bottom, through removing round bar to the slider on, the dop slides to the slider outside under the effect of spring three, thereby with the oilhole joint, fix the slider in the mounting groove below, this design can be convenient for fix the stopper, thereby be convenient for inside injecting the mounting groove with interior hexagonal spanner.

Drawings

Fig. 1 is a schematic view of the overall structure of a structure for preventing the wear of the upper cylinder head bolt provided by the present invention;

fig. 2 is a schematic view of an internal structure of a structure for preventing an upper cylinder head bolt from being worn according to the present invention;

fig. 3 is the utility model provides an inside schematic diagram of a structure slider that prevents upper cylinder head bolt wearing and tearing.

In the figure: 1. a nut; 2. a screw; 3. mounting grooves; 4. an oil hole; 5. a first spring; 6. a stopper; 601. a slider; 602. a slide bar; 603. a second spring; 604. a top cover; 605. pushing the plate; 606. a chute; 607. a connecting rod; 608. clamping a head; 609. a third spring; 610. a sliding sleeve; 611. a limiting sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, the present invention provides a technical solution:

the utility model provides a prevent structure of upper cylinder cover bolt wearing and tearing, includes

nut

1, and 1 inner wall of nut has set firmly screw rod 2, and mounting groove 3 has been seted up at 2 tops of screw rod, and 3 inner wall both sides of mounting groove are upper and lower symmetrical structure respectively and have seted up a plurality of

oilholes

4, and 3 bottoms of mounting groove have set firmly spring one 5, and 5 tops of spring have set firmly stopper 6.

Specifically, the mounting groove 3 is of an equilateral hexagonal structure, and the oil holes 4 are respectively formed in the side wall of the mounting groove 3.

Furthermore, the stopper 6 comprises a sliding block 601, a sliding rod 602 is fixedly arranged at the bottom of the inner wall of the sliding block 601, a second spring 603 is sleeved on the outer wall of the circumference of the sliding rod 602, and a top cover 604 is slidably connected to the top of the sliding rod 602.

Furthermore, the top cover 604 is connected with the inner wall of the sliding block 601 in a sliding manner, one end of the second spring 603 is fixedly connected with the inner wall of the sliding block 601, and the other end of the second spring 603 is fixedly connected with the top cover 604.

Furthermore, two push plates 605 are fixedly arranged at the bottom of the top cover 604 in an annular symmetrical structure, and a sliding groove 606 is formed at one outer side of each push plate 605.

It is worth to say that, the inner wall of the sliding block 601 is provided with two connecting rods 607 in a symmetrical structure, one end of the connecting rod 607 close to the outside is fixedly provided with a clamp 608, the outer wall of the circumference of the connecting rod 607 is sleeved with a spring third 609, the outer wall of the circumference of the connecting rod 607 is slidably connected with a sliding sleeve 610, and the inner end of the connecting rod 607 is fixedly provided with a limiting sleeve 611.

It should be noted that the connecting rod 607 is slidably connected to the inner wall of the sliding groove 606, and the clamp 608 extends to the outside of the sliding block 601 and is slidably connected to the inner wall thereof.

It is understood that one end of the spring tri 609 is fixedly connected to the sliding sleeve 610, and the other end of the spring tri 609 is fixedly connected to the chuck 608.

In addition, the sliding sleeve 610 is fixedly connected with the inner wall of the sliding block 601, and the push plate 605 is located between the sliding sleeve 610 and the limiting sleeve 611.

The working principle is as follows: inserting a round rod into the mounting groove 3 inside the screw rod 2, pouring lubricating oil into the mounting groove 3, extruding a top cover 604 on the sliding block 601 through the round rod, enabling the top cover 604 to slide downwards along the sliding rod 602 and extrude the second spring 603, extruding a limiting sleeve 611 by two push plates 605 at the bottom of the top cover 604, enabling a sliding groove 606 on the push plate 605 to slide along a connecting rod 607, driving the connecting rod 607 and a clamping head 608 to slide towards the inside of the sliding block 601 by the limiting sleeve 611 at the moment and extruding the third spring 609, meanwhile, enabling the sliding block 601 to slide downwards along the inner wall of the mounting groove 3 and compress the first spring 5, enabling the lubricating oil on the sliding block 601 to flow downwards along the inner wall of the mounting groove 3 and flow to a connecting part between the bolt and the upper cylinder cover and the cylinder body through an oil hole 4, thereby play the lubrication action, through removing round bar to slider 601 on, this moment under the effect of spring two 603, top cap 604 drives push pedal 605 rebound, dop 608 is under the effect of spring three 609, slide to the slider 601 outside, thereby with oilhole 4 joint, thereby it fixes to remove slider 601 below mounting groove 3, operating personnel takes out the round bar, block hexagon socket wrench inside mounting groove 3, block adjustable spanner on nut 1, through rotating hexagon socket wrench and adjustable spanner simultaneously, thereby dismantle the bolt, through extrude top cap 604 once more with the round bar, make connecting rod 607 drive dop 608, slide to slider 601 inside once more, take out the round bar from mounting groove 3 inside, thereby make slider 601 reappear and slide to mounting groove 3 top.

Above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be included in the protection scope of the present invention.

Claims

1. The utility model provides a prevent structure of upper cylinder cover bolt wearing and tearing, includes nut (1), its characterized in that: nut (1) inner wall has set firmly screw rod (2), mounting groove (3) have been seted up at screw rod (2) top, a plurality of oilholes (4) have been seted up to mounting groove (3) inner wall both sides are the longitudinal symmetry structure respectively, mounting groove (3) bottom has set firmly spring (5), stopper (6) have set firmly at spring (5) top.

2. The structure for preventing wear of an upper head bolt according to claim 1, wherein: the mounting groove (3) is of an equilateral hexagonal structure, and the oil holes (4) are respectively formed in the side wall of the mounting groove (3).

3. The structure for preventing wear of an upper head bolt according to claim 1, wherein: stopper (6) are including slider (601), slider (601) inner wall bottom has set firmly slide bar (602), slide bar (602) circumference outer wall cover is equipped with spring two (603), slide bar (602) top sliding connection has top cap (604).

4. The structure for preventing wear of an upper head bolt according to claim 3, wherein: the top cover (604) is connected with the inner wall of the sliding block (601) in a sliding mode, one end of the second spring (603) is fixedly connected with the inner wall of the sliding block (601), and the other end of the second spring (603) is fixedly connected with the top cover (604).

5. The structure for preventing wear of an upper head bolt according to claim 4, wherein: the bottom of the top cover (604) is fixedly provided with two push plates (605) in an annular symmetrical structure, and one side of the push plates (605) close to the outside is provided with a sliding groove (606).

6. The structure for preventing wear of an upper head bolt according to claim 5, wherein: slider (601) inner wall is symmetrical structure and is equipped with two connecting rods (607), connecting rod (607) lean on outer one end to set firmly dop (608), connecting rod (607) circumference outer wall cover is equipped with three (609) of spring, connecting rod (607) circumference outer wall sliding connection has sliding sleeve (610), connecting rod (607) inner sets firmly stop collar (611).

7. The structure for preventing wear of an upper head bolt according to claim 6, wherein: connecting rod (607) and spout (606) inner wall sliding connection, dop (608) lean on outer one end to extend to the slider (601) outside and rather than inner wall sliding connection.

8. The structure for preventing wear of an upper head bolt according to claim 6, wherein: one end of the spring III (609) is fixedly connected with the sliding sleeve (610), and the other end of the spring III (609) is fixedly connected with the clamping head (608).

9. The structure for preventing wear of an upper head bolt according to claim 8, wherein: the sliding sleeve (610) is fixedly connected with the inner wall of the sliding block (601), and the push plate (605) is positioned between the sliding sleeve (610) and the limiting sleeve (611).