CN219317493U

CN219317493U - Vibration damper and rake

Info

Publication number: CN219317493U
Application number: CN202320580810.3U
Authority: CN
Inventors: 龙鹏
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-03-22
Filing date: 2023-03-22
Publication date: 2023-07-07
Anticipated expiration: 2033-03-22

Abstract

The application relates to a damping device and rake. The vibration damping device includes: a first connecting rod; the second connecting rod is provided with a sliding groove extending along the axial direction of the second connecting rod; the sliding sleeve is sleeved on the second connecting rod and is in sliding connection with the second connecting rod, and a through hole is formed in the sliding sleeve; the limiting rod penetrates through the through hole and the sliding groove respectively so as to limit the second connecting rod to rotate relative to the sliding sleeve; the damping spring is sleeved on the first connecting rod, the second connecting rod and the sliding sleeve respectively; when the vibration reduction spring is vibrated and stretched, the sliding sleeve slides relative to the second connecting rod, so that the limiting rod moves back and forth in the sliding groove. According to the scheme, the vibration damper can be prevented from falling off the supporting part in the vibration damper spring in the working process, so that the vibration damper is invalid, and the reliability of the vibration damper is improved.

Description

Vibration damper and rake

Technical Field

The application relates to the technical field of agricultural machinery, in particular to a vibration damper and a rake.

Background

The rake is a grass harvesting machine which is used for raking the pasture spread on the ground into the integrated grass strips, and the purpose of the rake is to enable the pasture to be sufficiently dry and facilitate the collection of hay.

Among the related art, rake includes main part frame and locates the return bend formula finger dish in the main part frame, and during operation finger dish rolls the rake on ground, and the vibration can take place when the finger dish rolls on the uneven ground of height, consequently is provided with vibration damper between finger dish and main part frame, and vibration damper usually has damping spring and support member, and damping spring cover is on support member. However, in the process of raking, the vibration of the finger disk is large, so that the support rod piece is easy to fall off from the damping spring, and the damping device is invalid.

Disclosure of Invention

For solving or partly solving the problem that exists among the related art, this application provides a damping device and rake, can prevent that damping device from making damping device inefficacy at the support component in the damping spring drops in the course of the work, improves damping device's reliability.

A first aspect of the present application provides a vibration damping device, comprising: a first connecting rod; the second connecting rod is provided with a sliding groove extending along the axial direction of the second connecting rod, and the sliding groove penetrates through the second connecting rod; the sliding sleeve is sleeved on the second connecting rod and is in sliding connection with the second connecting rod, and a through hole is formed in the sliding sleeve; the limiting rod penetrates through the through hole and the sliding groove respectively so as to limit the second connecting rod to rotate relative to the sliding sleeve; the damping spring is sleeved on the first connecting rod, the second connecting rod and the sliding sleeve respectively; when the vibration reduction spring is vibrated and stretched, the sliding sleeve slides relative to the second connecting rod, so that the limiting rod moves back and forth in the sliding groove.

Further, the chute is arranged at one end of the second connecting rod far away from the first connecting rod, and the limiting rod is limited to be capable of moving in an area between two ends of the chute.

Further, an internal thread is arranged at one end of the second connecting rod, an external thread is arranged on the first connecting rod, and the first connecting rod and the second connecting rod are detachably connected through the matching of the external thread and the internal thread.

Further, a first gland is arranged on the first connecting rod, a second gland is arranged on the sliding sleeve, and the damping spring is arranged between the first gland and the second gland.

Further, an external thread is arranged on the first connecting rod, a first nut matched with the external thread is sleeved on the first connecting rod, the first nut is positioned on one side of the first gland, which is away from the damping spring, and is abutted against the first gland, and the first gland can move along the axial direction of the first connecting rod; the second gland is fixedly connected with the sliding sleeve.

Further, a second nut matched with the external thread is sleeved on the first connecting rod, and the second nut is located at one side, away from the first gland, of the first nut and is abutted to the first nut.

Further, one end of the first connecting rod, which is far away from the second connecting rod, is provided with a connecting frame, and a pin shaft used for being connected with a finger disc of the rake is arranged on the connecting frame.

Further, the limiting rod is a bolt, a third nut is arranged on the bolt, and the third nut and the head of the bolt are relatively positioned on two sides of the sliding sleeve.

Further, a fourth nut is further arranged on the bolt and located on one side of the third nut, and the third nut and the fourth nut are used for installing the bolt on a main body frame of the rake.

A second aspect of the present application provides a rake comprising: a main body frame; finger disk; the damping device according to any one of the above claims, wherein the first connecting rod is hinged with the finger pad, and the limiting rod is connected with the main body frame.

The technical scheme that this application provided can include following beneficial effect: through being equipped with the spout that extends along the axial of second connecting rod on the second connecting rod, the spout runs through the second connecting rod, the second connecting rod is located to the sliding sleeve cover and with second connecting rod sliding connection, be equipped with the through-hole on the sliding sleeve, the gag lever post runs through-hole and spout respectively, with the relative sliding sleeve rotation of restriction second connecting rod, the sliding sleeve only can slide in the axial relatively second connecting rod when damping spring receives vibration and stretches out and draws back like this, the gag lever post round trip movement in the spout simultaneously, and the second connecting rod can not rotate relatively the sliding sleeve, the second connecting rod also can not rotate relatively the head rod under the condition that head rod is connected with the finger pad, the sliding sleeve is connected with main part frame, consequently, can prevent that second connecting rod and head rod separation from making the second connecting rod drop in from damping spring and make damping device inefficacy, and then improve damping device's reliability.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

The foregoing and other objects, features and advantages of the application will be apparent from the following more particular descriptions of exemplary embodiments of the application as illustrated in the accompanying drawings wherein like reference numbers generally represent like parts throughout the exemplary embodiments of the application.

FIG. 1 is a schematic view of a vibration damping device according to an embodiment of the present application;

fig. 2 is an exploded view of a vibration damping device shown in an embodiment of the present application.

Reference numerals:

the device comprises a first connecting rod, a second connecting rod, a 21-sliding chute, a 3-sliding sleeve, a 31-through hole, a 4-limiting rod, a 5-vibration damping spring, a 6-first gland, a 7-second gland, an 8-first nut, a 9-second nut, a 10-connecting frame, a 20-pin shaft, a 30-third nut and a 40-fourth nut.

Detailed Description

Embodiments of the present application will be described in more detail below with reference to the accompanying drawings. While embodiments of the present application are shown in the drawings, it should be understood that the present application may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

It should be understood that although the terms "first," "second," "third," etc. may be used herein to describe various information, these information should not be limited by these terms. These terms are only used to distinguish one type of information from another. For example, a first message may also be referred to as a second message, and similarly, a second message may also be referred to as a first message, without departing from the scope of the present application. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present application, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.

Unless specifically stated or limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and may be, for example, fixedly connected or detachably connected or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

According to the vibration damper, the supporting component in the vibration damper can be prevented from falling off in the vibration damper in the working process, so that the vibration damper is invalid, and the reliability of the vibration damper is improved.

The following describes the technical scheme of the embodiments of the present application in detail with reference to the accompanying drawings.

Fig. 1 is a schematic structural view of a vibration damping device shown in an embodiment of the present application, and fig. 2 is an exploded view of a vibration damping device shown in an embodiment of the present application.

As shown in fig. 1 and 2, an embodiment of the present application provides a vibration damping device, which includes a first connecting rod 1, a second connecting rod 2, a sliding sleeve 3, a limiting rod 4 and a vibration damping spring 5.

One end of the second connecting rod 2 is in threaded connection with one end of the first connecting rod 1, a sliding groove 21 extending along the axial direction of the second connecting rod 2 is arranged on the second connecting rod 2, and the sliding groove 21 penetrates through the second connecting rod 2. One end of the first connecting rod 1, which is far away from the second connecting rod 2, is used for being connected with a finger pad of a rake.

The sliding sleeve 3 is sleeved on the second connecting rod 2 and is in sliding connection with the second connecting rod 2, and a through hole 31 is formed in the sliding sleeve 3. The sliding sleeve 3 is used for being connected with a main body frame of the rake.

The limiting rod 4 penetrates through the through hole 31 and the sliding groove 21 respectively to limit the rotation of the second connecting rod 2 relative to the sliding sleeve 3. The damping spring 5 is respectively sleeved on the first connecting rod 1, the second connecting rod 2 and the sliding sleeve 3.

Wherein, when the vibration reduction spring 5 is vibrated and stretched, the sliding sleeve 3 slides relative to the second connecting rod 2, so that the limit rod 4 moves back and forth in the chute 21.

Based on the above scheme, through being equipped with the spout 21 that extends along the axial of second connecting rod 2 on second connecting rod 2, spout 21 runs through second connecting rod 2, sliding sleeve 3 cover is located second connecting rod 2 and with second connecting rod 2 sliding connection, be equipped with through-hole 31 on the sliding sleeve 3, gag lever post 4 runs through-hole 31 and spout 21 respectively, with restriction second connecting rod 2 relative sliding sleeve 3 rotation, sliding sleeve 3 can only slide in the axial relative second connecting rod 2 when damping spring 5 is vibrated and stretches out and draws back like this, gag lever post 4 round trip movement in spout 21, and second connecting rod 2 can not rotate relative sliding sleeve 3, second connecting rod 2 also can not rotate relative first connecting rod 1 under the condition that first connecting rod 1 is connected with the finger plate, sliding sleeve 3 and main part frame are connected, consequently, can prevent that second connecting rod 2 and first connecting rod 1 separation make second connecting rod 2 drop and make damping device inefficacy from damping spring 5, and further improve damping device's reliability.

Specifically, the second connecting rod 2 may be of a hollow structure, so as to save materials and facilitate processing, the through hole 31 on the sliding sleeve 3 is circular, the diameter is slightly larger than that of the limiting rod 4, the limiting rod 4 is provided to pass through, and the limiting rod 4 and the sliding sleeve 3 synchronously move when the sliding sleeve 3 slides in the axial direction relative to the second connecting rod 2.

In one embodiment, as shown in fig. 1 and 2, the chute 21 is provided at an end of the second connecting rod 2 remote from the first connecting rod 1, and the stopper rod 4 is limited to be movable in a region between both ends of the chute 21. Specifically, the sliding groove 21 may be a long hole, penetrates through the second connecting rod 2, the limiting rod 4 penetrates through the sliding groove 21 and is perpendicular to the axial direction of the second connecting rod 2, and the limiting rod 4 limits the second connecting rod 2 to rotate relative to the sliding sleeve 3. When the damping spring 5 is not compressed, the end part of the second connecting rod 2 can be positioned in the sliding sleeve 3 and does not extend out of the sliding sleeve 3, when the damping spring 5 is compressed, the end part of the second connecting rod 2 can extend out of the sliding sleeve 3, and the distance that the second connecting rod 2 can slide back and forth relative to the sliding sleeve 3 is the length of the sliding groove 21.

In an embodiment, an internal thread is disposed at one end of the second connecting rod 2 near the first connecting rod 1, an external thread is disposed on the first connecting rod 1, and the first connecting rod 1 and the second connecting rod 2 are detachably connected through matching of the external thread and the internal thread.

Specifically, during installation, can be earlier with damping spring 5 cover on head rod 1, then stretch into damping spring 5 with second connecting rod 2 from damping spring 5's one end and with head rod 1's tip screw thread fit, establish sliding sleeve 3 cover on second connecting rod 2 again, pass through hole 31 and spout 21 with gag lever post 4 at last, this kind of mounting means easily operates, the dismouting of being convenient for, still can adjust damping spring 5's pretightning force through head rod 1 and the threaded connection of second connecting rod 2, the effect of adjusting the damping. The first connecting rod 1 can be a screw rod, the second connecting rod 2 is of a hollow tubular structure, and the end part of the second connecting rod is provided with internal threads and then is matched with the first connecting rod 1, so that the processing is facilitated.

In an embodiment, as shown in fig. 1 and 2, a first gland 6 is provided on the first connecting rod 1, a second gland 7 is provided on the sliding sleeve 3, and the damping spring 5 is provided between the first gland 6 and the second gland 7. Specifically, one end of the damper spring 5 abuts against the first gland 6, the other end abuts against the second gland 7, and the first gland 6 and the second gland 7 directly act on the damper spring 5 to compress the damper spring 5. Wherein, the first gland 6 is fixed relative to the first connecting rod 1 when the damping spring 5 is compressed, and the second gland 7 is fixed relative to the sliding sleeve 3 when the damping spring 5 is compressed.

In an embodiment, the first connecting rod 1 is provided with an external thread, for example, the first connecting rod 1 may be a screw, the first connecting rod 1 is sleeved with a first nut 8 matched with the external thread, the first nut 8 is located at one side of the first gland 6 away from the damping spring 5 and is abutted against the first gland 6, and the first gland 6 can move along the axial direction of the first connecting rod 1; the second gland 7 is fixedly connected with the sliding sleeve 3.

Specifically, the first nut 8 is used for limiting the first gland 6 to move towards the end of the first connecting rod 1 away from the second connecting rod 2, and the position of the first gland 6 on the first connecting rod 1 can be adjusted by rotating the first nut 8, so that the pretightening force of the damping spring 5 can be adjusted. The second gland 7 and the sliding sleeve 3 can be fixedly connected in a welding mode. The first gland 6 and the second gland 7 can be of sheet structures, the first gland 6 is sleeved on the first connecting rod 1, and the second gland 7 is sleeved on the sliding sleeve 3.

In order to prevent the first nut 8 from moving due to vibration during operation, in an embodiment, as shown in fig. 1 and 2, the first connecting rod 1 is further sleeved with a second nut 9 matched with the external thread, the second nut 9 is located at one side of the first nut 8 away from the first gland 6 and is abutted to the first nut 8, and the loose movement of the nuts can be effectively prevented by adopting double nuts.

In an embodiment, as shown in fig. 1 and 2, a connecting frame 10 is arranged at one end of the first connecting rod 1 far away from the second connecting rod 2, and a pin shaft 20 for connecting with a finger pad of a rake is arranged on the connecting frame 10. Specifically, the connecting frame 10 may be welded to an end of the first connecting rod 1, where the connecting frame 10 has two opposite supporting arms, and the pin 20 is disposed between the two supporting arms.

In an embodiment, the stop lever 4 is a bolt, the bolt is provided with a third nut 30, and the third nut 30 and the head of the bolt are relatively located at two sides of the sliding sleeve 3, so that the stop lever 4 can be limited to fall off from the sliding sleeve 3.

In one embodiment, a fourth nut 40 is also provided on the bolt on one side of the third nut 30, the third and

fourth nuts

30, 40 being used to mount the bolt to the main frame of the rake. Specifically, after the third nut 30 is installed, the bolt is passed through the installation hole of the main body frame, and then the fourth nut 40 is sleeved on the bolt.

The aspects of the present application have been described in detail hereinabove with reference to the accompanying drawings. In the foregoing embodiments, the descriptions of the embodiments are focused on, and for those portions of one embodiment that are not described in detail, reference may be made to the related descriptions of other embodiments. Those skilled in the art will also appreciate that the acts and modules referred to in the specification are not necessarily required in the present application. In addition, it can be understood that the steps in the method of the embodiment of the present application may be sequentially adjusted, combined and pruned according to actual needs, and the modules in the apparatus of the embodiment of the present application may be combined, divided and pruned according to actual needs.

The embodiments of the present application have been described above, the foregoing description is exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described. The terminology used herein was chosen in order to best explain the principles of the embodiments, the practical application, or the improvement of technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.

Claims

1. A vibration damping device, comprising:

a first connecting rod;

the second connecting rod is provided with a sliding groove extending along the axial direction of the second connecting rod, and the sliding groove penetrates through the second connecting rod;

the sliding sleeve is sleeved on the second connecting rod and is in sliding connection with the second connecting rod, and a through hole is formed in the sliding sleeve;

the limiting rod penetrates through the through hole and the sliding groove respectively so as to limit the second connecting rod to rotate relative to the sliding sleeve;

the damping spring is sleeved on the first connecting rod, the second connecting rod and the sliding sleeve respectively;

when the vibration reduction spring is vibrated and stretched, the sliding sleeve slides relative to the second connecting rod, so that the limiting rod moves back and forth in the sliding groove.

2. The vibration damping device according to claim 1, wherein:

the chute is arranged at one end of the second connecting rod far away from the first connecting rod, and the limiting rod is limited to be capable of moving in an area between two ends of the chute.

3. The vibration damping device according to claim 1, wherein:

one end of the second connecting rod is provided with an internal thread, the first connecting rod is provided with an external thread, and the first connecting rod and the second connecting rod are matched with the internal thread through the external thread to realize detachable connection.

4. The vibration damping device according to claim 1, wherein:

the connecting rod is provided with a first gland, the sliding sleeve is provided with a second gland, and the damping spring is arranged between the first gland and the second gland.

5. The vibration damping device according to claim 4, wherein:

the first connecting rod is provided with external threads, a first nut matched with the external threads is sleeved on the first connecting rod, the first nut is positioned on one side of the first gland, which is away from the damping spring, and is abutted against the first gland, and the first gland can move along the axial direction of the first connecting rod; the second gland is fixedly connected with the sliding sleeve.

6. The vibration damping device according to claim 5, wherein:

the first connecting rod is further sleeved with a second nut matched with the external thread, and the second nut is located on one side, away from the first gland, of the first nut and is abutted to the first nut.

7. The vibration damping device according to claim 1, wherein:

the one end that the head rod kept away from the second connecting rod is equipped with the link, be equipped with the round pin axle that is used for being connected with the finger pad of rake on the link.

8. The vibration damping device according to claim 1, wherein:

the limiting rod is a bolt, a third nut is arranged on the bolt, and the heads of the third nut and the bolt are oppositely positioned on two sides of the sliding sleeve.

9. The vibration damping device according to claim 8, wherein:

the screw bolt is further provided with a fourth nut positioned on one side of the third nut, and the third nut and the fourth nut are used for installing the screw bolt on a main body frame of the rake.

10. A rake, comprising:

a main body frame;

finger disk; and

the vibration damping device according to any one of claims 1-9, wherein the first connecting rod is hinged to the finger pad, and the limit rod is connected to the main body frame.