CN216241772U

CN216241772U - Reusable fastener for engine

Info

Publication number: CN216241772U
Application number: CN202120638182.0U
Authority: CN
Inventors: 曾智深; 喻高; 周民
Original assignee: Suzhou Yugao Fastening System Co ltd
Current assignee: Suzhou Yugao Fastening System Co ltd
Priority date: 2021-03-30
Filing date: 2021-03-30
Publication date: 2022-04-08
Anticipated expiration: 2031-03-30

Abstract

The utility model provides a repeatedly usable's fastener for engine, includes interior direction connecting rod, lock nut, outer double-screw bolt, connecting cylinder, a set of support turns over the board and turns over board upset adjustment assembly, the one end fixed connection of connecting cylinder and outer double-screw bolt axial direction, interior direction connecting rod and outer double-screw bolt threaded connection to interior direction connecting rod stretches into the tip in the outer double-screw bolt and turns over board upset adjustment assembly and connect, turn over board upset adjustment assembly and a set of support and turn over the board and connect, a set of support turns over the board and is articulated with connecting cylinder, a set of support turns over the board setting and is connecting in the cylinder. The reusable fastener for the engine is characterized in that the group of support turning plates and the locking nut are respectively pressed and fixed from two ends of the end cover of the engine, and the support turning plates are arranged, so that the connection mode can be reused while the aim of stable connection is fulfilled, the connection structure is simplified, the number of parts required by interface connection of the support turning plates and the locking nut is reduced, and the fastener is convenient to disassemble and assemble.

Description

Reusable fastener for engine

Technical Field

The utility model belongs to the technical field of mechanical basic parts and components, and particularly relates to a reusable fastener for an engine.

Background

The engine body is a framework which forms the engine, is a mounting base of each mechanism and each system of the engine, and is internally and externally provided with all main parts and accessories of the engine to bear various loads. Therefore, the body must have sufficient strength and rigidity.

The engine body group mainly comprises parts such as an air cylinder body, a cylinder sleeve, a cylinder cover, a cylinder gasket and the like, wherein the air cylinder body is a basic part of the engine, and the cylinder cover is one of main parts of the engine. All parts of the engine are assembled on the basis of the engine, so the technical condition directly influences the repair quality and the service life of the engine. The close fit between the cylinder cover and the plane of the cylinder body is realized by the function of the gasket and the correct screwing of the cylinder cover bolt and the cylinder cover nut.

In use, due to deformation of the gasket and extension of the bolt and the nut, the joint of the cylinder cover and the cylinder body becomes loose; the cylinder cover and the cylinder body of the existing engine are connected in a manner that the bolts are directly and rotatably inserted into the connecting holes, the cylinder cover and the cylinder body are fixedly connected through threads, the engine can vibrate during operation, certain displacement deviation can be generated between the cylinder body and the cylinder cover, the bolts are loosened, the firm degree of the connection between the cylinder body and the cylinder cover is reduced, the operation of the engine can be influenced, the oil and water leakage condition is caused, and the engine is damaged.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims to provide a reusable fastener for an engine, which solves the problem that the engine is damaged due to the fact that the fastener is loosened easily in the process of running of the engine in the prior art.

The technical scheme is as follows: the utility model provides a reusable fastener for an engine, which comprises an inner guide connecting rod, a locking nut, an outer stud, a connecting cylinder, a group of supporting turning plates and a turning plate overturning adjusting assembly, wherein the connecting cylinder is fixedly connected with one end of the outer stud in the axial direction, the connecting cylinder and the outer screw column are coaxially arranged, the inner guide connecting rod is in threaded connection with the outer screw column, the end part of the inner guide connecting rod extending into the outer stud is connected with a turning plate turning adjusting component which is arranged in the connecting cylinder, the turnover plate turning adjusting component is connected with a group of supporting turnover plates which are arranged in an annular array mode by taking the center of the connecting cylinder as the center of a circle, and a group of support turning plates are hinged with the connecting cylinder, the group of support turning plates are arranged in the connecting cylinder, and the locking nut is in threaded connection with the outer wall of the outer screw column. The reusable fastener for the engine adopts the set of support turning plates and the locking nut to lock and fix the outer stud, and the support turning plates can be retracted after use due to the rotatable structure of the set of support turning plates, so that the aim of repeated utilization is fulfilled.

Furthermore, according to the reusable fastener for the engine, the outer circumference of the connecting cylinder is provided with the first group of rectangular grooves, the first group of rectangular grooves are arranged in an annular array mode by taking the center of the connecting cylinder as the center of a circle, the first group of rectangular grooves and the first group of supporting turning plates are arranged in a one-to-one correspondence mode, and the supporting turning plates are arranged in the first group of rectangular grooves.

Furthermore, foretell fastener for engine repeatedly usable, be equipped with a set of pivot on the connection cylinder, a set of pivot and a set of rectangle recess one-to-one set up to the pivot sets up on the inner wall of rectangle recess one, the support turns over the tip cover that the board is close to and turns over board upset adjusting part and establish on the pivot. The volume of the rectangular groove is larger than that of the support turning plate, so that the support turning plate can be completely accommodated into the rectangular groove.

Furthermore, foretell engine is with repeatedly usable's fastener, the end connection that interior direction connecting rod stretches out outer double-screw bolt has the hand wheel. The hand wheel is arranged to facilitate the rotation adjustment of the inner guide connecting rod.

Furthermore, foretell repeatedly usable's fastener for engine, turn over board upset adjusting part and include fixed connection board, spring, turn over board connecting plate and position control cylinder, fixed connection board is fixed to be set up inside connecting the cylinder, the one end and the fixed connection board of spring are connected to the spring housing is established on the position control cylinder, turn over the one end fixed connection that board connecting plate and position control cylinder kept away from fixed connection board, the spring is located and turns over between board connecting plate and the fixed connection board, turn over board connecting plate and a set of support and turn over board fixed connection, the one end that interior direction connecting rod stretched into outer double-screw bolt can pass and turn over board connecting plate and position control cylinder counterbalance. The turning plate connecting plate is used for being connected with a group of supporting turning plates, and the arranged fixed connecting plate is used for connecting the spring, so that the spring can provide elastic restoring force when the supporting turning plates are restored.

Furthermore, according to the reusable fastener for the engine, the end face, close to the central shaft of the connecting cylinder, of the supporting turning plate is provided with the connecting convex part, and the turning plate connecting plate is fixedly connected with the connecting convex part.

Furthermore, the cross section of the turning plate connecting plate is larger than that of the position adjusting cylinder, and the turning plate connecting plate and the position adjusting cylinder are coaxially arranged. The sectional area of the turning plate connecting plate is set to be larger than that of the position adjusting cylinder, so that the spring sleeve is arranged on the position adjusting cylinder and can be abutted against the end face of the position adjusting cylinder extended from the turning plate connecting plate.

Furthermore, foretell fastener for engine repeatedly usable, the tip that interior direction connecting rod stretches into outer double-screw bolt is equipped with circular convex part, turn over and be equipped with circular through-hole one on the board connecting plate, the one end that the position control cylinder is close to turning over the board connecting plate is equipped with circular recess, circular convex part can pass circular through-hole one and offset with the bottom surface of circular recess. The round convex part is abutted against or separated from the bottom surface of the prototype groove, so that the position of the position adjusting cylinder is changed, and the turning plate connecting plate drives the supporting turning plate to rotate.

Furthermore, foretell fastener for engine repeatedly usable, the outside of interior direction connecting rod is equipped with the external screw thread, the inside of outer double-screw bolt is equipped with the internal thread. The threaded connection that the internal and external screw thread matches for the relative position between interior direction connecting rod and the outer post can carry out nimble change.

The technical scheme shows that the utility model has the following beneficial effects: according to the reusable fastener for the engine, the turnover plate overturning adjusting assembly drives the group of support turnover plates to rotate, the angles of the support turnover plates can be adjusted, and the support turnover plates can be arranged in a scattering shape, so that the group of support turnover plates and the locking nut are respectively compressed and fixed from two ends of an engine end cover when fixed connection is carried out.

Drawings

FIG. 1 is a schematic structural view of a reusable fastener for an engine according to the present invention;

FIG. 2 is a first schematic structural view of the engine of the present invention in use with a reusable fastener;

FIG. 3 is a second schematic structural view of the engine of the present invention in use with a reusable fastener;

FIG. 4 is a schematic structural view of the connecting cylinder, a set of support flaps and a flap-flip adjustment assembly of the present invention;

fig. 5 is a partial enlarged view of the utility model at a in fig. 2.

In the figure: the device comprises an inner guide connecting rod 1, a hand wheel 11, a circular convex part 12, a locking nut 2, an outer threaded column 3, a connecting cylinder 4, a first rectangular groove 41, a rotating shaft 42, a support turning plate 5, a connecting convex part 51, a turning plate overturning adjusting component 6, a fixed connecting plate 61, a spring 62, a turning plate connecting plate 63, a first circular through hole 631, a position adjusting cylinder 64 and a circular groove 641.

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 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 one

The reusable fastener for the engine shown in fig. 1-3 comprises an inner guide connecting rod 1, a locking nut 2, an outer stud 3, a connecting cylinder 4, a group of support turning plates 5 and a turning plate turning adjusting component 6, wherein the connecting cylinder 4 is fixedly connected with one end of the outer stud 3 in the axial direction, the connecting cylinder 4 is coaxially arranged with the outer stud 3, the inner guide connecting rod 1 is in threaded connection with the outer stud 3, the end part of the inner guide connecting rod 1 extending into the outer stud 3 is connected with the turning plate turning adjusting component 6, the turning plate turning adjusting component 6 is arranged in the connecting cylinder 4, the turning plate turning adjusting component 6 is connected with the group of support turning plates 5, the group of support turning plates 5 are arranged in an annular array by taking the center of the connecting cylinder 4 as the center of a circle, the group of support turning plates 5 are hinged with the connecting cylinder 4, the group of support turning plates 5 are arranged in the connecting cylinder 4, the locking nut 2 is in threaded connection with the outer wall of the outer threaded column 3. Interior direction connecting rod 1 and connecting cylinder 4 are located the both ends of 3 axis directions of outer double-screw bolt respectively, and interior direction connecting rod 1 stretches into outer double-screw bolt 3 inside from the one end that outer double-screw bolt 3 kept away from connecting cylinder 4 to outer double-screw bolt 3 and interior direction connecting rod 1 threaded connection have hand wheel 11 including the end connection that direction connecting rod 1 stretches out outer double-screw bolt 3, are convenient for rotatory interior direction connecting rod 1 through hand wheel 11. In the structure, the outer part of the inner guide connecting rod 1 is provided with an external thread, and the inner part of the outer stud 3 is provided with an internal thread.

As shown in fig. 4, a group of rectangular first grooves 41 is formed in the outer circumference of the connecting cylinder 4, the group of rectangular first grooves 41 is arranged in an annular array manner with the center of the connecting cylinder 4 as the center of a circle, the group of rectangular first grooves 41 and the group of supporting turning plates 5 are arranged in a one-to-one correspondence manner, and the supporting turning plates 5 are arranged in the rectangular first grooves 41. The connecting cylinder 4 is provided with a group of rotating shafts 42, the group of rotating shafts 42 and the group of rectangular grooves I41 are arranged in a one-to-one correspondence mode, the rotating shafts 42 are arranged on the inner walls of the rectangular grooves I41, and the end portion, close to the turning plate overturning adjusting assembly 6, of the supporting turning plate 5 is sleeved on the rotating shafts 42. The group of supporting turning plates 5 are connected with the turning plate turning adjusting assembly 6, the inner guide connecting rod 1 rotates clockwise, the inner guide connecting rod 1 gradually extends into the connecting cylinder 4, the end part of the inner guide connecting rod 1 extending into the connecting cylinder 4 pushes the turning plate turning adjusting assembly 6, so that the turning plate turning adjusting assembly 6 drives the supporting turning plates 5 to rotate around the rotating shaft 42, and the group of supporting turning plates 5 are accommodated in the group of rectangular grooves I41; interior direction connecting rod 1 anticlockwise rotation, interior direction connecting rod 1 is taken out from connecting cylinder 4 gradually, interior direction connecting rod 1 with turn over board upset adjusting part 6 separation, turn over board upset adjusting part 6 drive a set of support and turn over board 5 and revolve rotation of axis 42, turn over a set of support and turn over board 5 and overturn out in a set of rectangle recess 41, and a set of support turns over board 5 this moment and is outside transmission form setting with the center of connecting cylinder 4 as the centre of a circle.

During the application, at first interior direction connecting rod 1 clockwise turning, turn over a set of support and turn over in board 5 income a set of rectangle recess 41, a set of support turns over the appearance that board 5 and connection cylinder 4 wholly are a cylinder shape this moment, will connect cylinder 4 and pass and treat fixed position, make a set of support turn over board 5 and lock nut 2 and be located respectively and treat the both sides of fixed position, then interior direction connecting rod 1 anticlockwise rotation, turn over a set of support and turn over board 5 and overturn out from a set of rectangle recess 41, then rotatory lock nut 2, lock nut 2 rotates the in-process, outer post 3 removes, make a set of support turn over board 5 and the terminal surface of treating fixed position one side offset, until lock nut 2 locks.

Example two

The flap turnover adjusting assembly 6 shown in fig. 5 includes a fixed connection plate 61, a spring 62, a flap connection plate 63 and a position adjusting cylinder 64, the fixed connection plate 61 is fixedly disposed inside the connecting cylinder 4, one end of the spring 62 is connected with the fixed connection plate 61, the spring 62 is sleeved on the position adjusting cylinder 64, the flap connection plate 63 and the position adjusting cylinder 64 are fixedly connected with each other at the end far away from the fixed connection plate 61, the spring 62 is located between the flap connection plate 63 and the fixed connection plate 61, the flap connection plate 63 is fixedly connected with a group of supporting flaps 5, and the end of the inner guide connection rod 1 extending into the outer stud 3 can pass through the flap connection plate 63 and abut against the position adjusting cylinder 64.

Wherein, the end surface of the support turning plate 5 close to the central shaft of the connecting cylinder 4 is provided with a connecting convex part 51, and the turning plate connecting plate 63 is fixedly connected with the connecting convex part 51. The sectional area of the flap connecting plate 63 is larger than that of the position adjusting cylinder 64, and the flap connecting plate 63 and the position adjusting cylinder 64 are coaxially arranged.

In addition, the end of the guide connecting rod 1 extending into the outer stud 3 is provided with a circular convex part 12, the flap connecting plate 63 is provided with a first circular through hole 631, one end of the position adjusting cylinder 64 close to the flap connecting plate 63 is provided with a circular groove 641, and the circular convex part 12 can be abutted against the bottom surface of the circular groove 641 through the first circular through hole 631.

The principle of the turning plate overturning adjusting component 6 in the structure is as follows: the inner guide connecting rod 1 is rotated clockwise, the circular convex part 12 abuts against the bottom surface of the circular groove 641, the circular convex part 12 pushes the position adjusting cylinder 64 to move towards the fixed connecting plate 61, the spring 62 is compressed, the position adjusting cylinder 64 drives the turning plate connecting plate 63 to move, and then the group of support turning plates 5 are synchronously driven to rotate around the rotating shaft 42, and the support turning plates 5 are accommodated in the first rectangular groove 41; the connecting rod 1 is guided in the anticlockwise rotation, the circular convex part 12 is separated from the bottom surface of the circular groove 641, and under the action of the elastic restoring force of the spring 62, the turning plate connecting plate 63 and the position adjusting cylinder 64 are pushed to move towards the direction away from the fixed connecting plate 61, and meanwhile, a group of supporting turning plates 5 are driven to rotate around the rotating shaft 42, so that the supporting turning plates 5 rotate out from the first rectangular groove 41.

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. A reusable fastener for an engine, characterized in that: comprises an inner guide connecting rod (1), a locking nut (2), an outer stud (3), a connecting cylinder (4), a group of supporting turning plates (5) and a turning plate turning adjusting component (6), wherein one end of the connecting cylinder (4) and one end of the outer stud (3) in the axial direction are fixedly connected, the connecting cylinder (4) and the outer stud (3) are coaxially arranged, the inner guide connecting rod (1) is in threaded connection with the outer stud (3), the end part of the inner guide connecting rod (1) extending into the outer stud (3) is connected with the turning plate turning adjusting component (6), the turning plate turning adjusting component (6) is arranged in the connecting cylinder (4), the turning plate turning adjusting component (6) is connected with the group of supporting turning plates (5), the group of supporting turning plates (5) are arranged in an annular array mode by taking the center of the connecting cylinder (4) as the circle center, and the group of supporting turning plates (5) are hinged with the connecting cylinder (4), the group of support turning plates (5) are arranged in the connecting cylinder (4), and the locking nut (2) is in threaded connection with the outer wall of the outer threaded column (3).

2. The reusable fastener for an engine as set forth in claim 1, wherein: the outer circumference of the connecting cylinder (4) is provided with a group of first rectangular grooves (41), the group of first rectangular grooves (41) are arranged in an annular array mode by taking the center of the connecting cylinder (4) as the center of a circle, the group of first rectangular grooves (41) and the group of supporting turning plates (5) are arranged in a one-to-one correspondence mode, and the supporting turning plates (5) are arranged in the first rectangular grooves (41).

3. The reusable fastener for an engine as set forth in claim 2, wherein: the connecting cylinder (4) is provided with a group of rotating shafts (42), the group of rotating shafts (42) and the group of rectangular grooves I (41) are arranged in a one-to-one correspondence mode, the rotating shafts (42) are arranged on the inner walls of the rectangular grooves I (41), and the end portion, close to the turning plate overturning adjusting assembly (6), of the supporting turning plate (5) is sleeved on the rotating shafts (42).

4. The reusable fastener for an engine as set forth in claim 1, wherein: the end part of the inner guide connecting rod (1) extending out of the outer stud (3) is connected with a hand wheel (11).

5. The reusable fastener for an engine as set forth in claim 1, wherein: the turning plate overturning adjusting assembly (6) comprises a fixed connecting plate (61), a spring (62), a turning plate connecting plate (63) and a position adjusting cylinder (64), the fixed connecting plate (61) is fixedly arranged inside the connecting cylinder (4), one end of the spring (62) is connected with the fixed connecting plate (61), the spring (62) is sleeved on the position adjusting cylinder (64), the turning plate connecting plate (63) and the position adjusting cylinder (64) are far away from one end of the fixed connecting plate (61) and fixedly connected, the spring (62) is located between the turning plate connecting plate (63) and the fixed connecting plate (61), the turning plate connecting plate (63) is fixedly connected with a group of supporting turning plates (5), and one end, extending into the outer stud (3), of the inner guide connecting rod (1) can penetrate through the turning plate connecting plate (63) and the position adjusting cylinder (64) to be abutted against each other.

6. The reusable fastener for an engine as set forth in claim 5, wherein: the end face, close to the central shaft of the connecting cylinder (4), of the support turning plate (5) is provided with a connecting convex part (51), and the turning plate connecting plate (63) is fixedly connected with the connecting convex part (51).

7. The reusable fastener for an engine as set forth in claim 5, wherein: the sectional area of the turning plate connecting plate (63) is larger than that of the position adjusting cylinder (64), and the turning plate connecting plate (63) and the position adjusting cylinder (64) are coaxially arranged.

8. The reusable fastener for an engine as set forth in claim 5, wherein: the end that interior direction connecting rod (1) stretched into outer double-screw bolt (3) is equipped with circular convex part (12), turn over and be equipped with circular through-hole (631) on board connecting plate (63), one end that position control cylinder (64) are close to and turn over board connecting plate (63) is equipped with circular recess (641), circular convex part (12) can pass circular through-hole (631) and the bottom surface counterbalance of circular recess (641).

9. The reusable fastener for an engine as set forth in claim 1, wherein: the outer portion of the inner guide connecting rod (1) is provided with external threads, and the inner portion of the outer stud (3) is provided with internal threads.