CN212985699U - Positioning ring for tractor - Google Patents

Abstract

The utility model provides a holding ring for tractor, including the holding ring body, holding ring body one side evenly is equipped with a plurality of locating holes on the circumference surface of holding ring body with every the locating hole corresponds the department and all is equipped with the oil storage passageway, oil storage passageway and locating hole intercommunication the oil storage passageway is terminal to be equipped with along the cross-sectional position and hinders the oil film, be equipped with the piston piece in the oil storage passageway, be equipped with the thimble that the oil film was hindered to the orientation with hindering oil film correspondence department on the inner terminal surface of piston piece, the interior tip that lies in the piston piece in the oil storage passageway and hinder the filling between the oil film have lubricating oil. The utility model discloses beneficial effect: when the retaining ring is not detached well, the piston block is pressed inwards through manual operation, the thimble is driven to puncture the oil resistance film, lubricating oil permeates into the retaining hole, the lubricating oil lubricates the retaining hole, friction force between the bolt and the retaining hole is reduced, and the bolt connected to the retaining ring can be detached quickly and the retaining ring can be taken down from a tractor.

Description

Positioning ring for tractor

Technical Field

The utility model belongs to the technical field of the holding ring, especially, relate to a holding ring for tractor.

Background

The tractor is a self-propelled power machine used for towing and driving the operation machinery to complete various mobile operations. The positioning ring is used as a common connecting piece for the tractor, and the requirement of convenient disassembly is required to be met when the tractor is inspected and maintained; because the tractor is generally applied to in the agricultural, cultivates in the farmland, and it is thus obvious that the operational environment of tractor is comparatively abominable, always is in under the environment such as mire, wind and dust, humidity, consequently, the holding ring on the tractor always exists the condition of getting damp and rusty, being blocked by dust to it is hard to lead to the holding ring to dismantle, reduces the maintenance efficiency of tractor.

Disclosure of Invention

In view of this, the utility model aims at overcoming the inconvenient problem of dismantling of holding ring on the tractor among the prior art, provides a holding ring for tractor.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

the utility model provides a holding ring for tractor, includes the holding ring body, holding ring body one side evenly is equipped with a plurality of locating holes on the circumference surface of holding ring body with every the locating hole corresponds the department and all is equipped with the oil storage passageway, oil storage passageway and locating hole intercommunication the oil storage passageway is terminal to be equipped with along the cross-sectional position and hinders the oil film, be equipped with the piston piece in the oil storage passageway, correspond the department with hindering the oil film on the inner terminal surface of piston piece and be equipped with the thimble that hinders the oil film towards, the interior tip that lies in the piston piece in the oil storage passageway and hinder the filling between the oil film have lubricating oil.

Further, the oil storage channel comprises a first channel, a second channel and a third channel which are communicated in sequence, and the sectional dimension of the second channel is larger than that of the first channel and that of the second channel.

Furthermore, the piston block comprises a sealing boss capable of moving along the inner wall of the second channel and a convex block positioned in the first channel, the ejector pin is arranged at the inner end of the sealing boss, and the sum of the distance from the outer end face of the sealing boss to the tail end of the ejector pin is smaller than the distance from the outer end face of the second channel to the oil blocking film.

Furthermore, lug bilateral symmetry is equipped with the gag lever post, first passageway inner wall both sides are equipped with the type of falling L spacing groove respectively with the gag lever post correspondence department, the gag lever post joint is at the horizontal end in the type of falling L spacing groove to can follow the type of falling L spacing inslot and remove.

Furthermore, a sealing gasket is arranged on the inner wall of the second channel.

Further, the oil blocking film is adhered between the inner walls of the third passage.

Further, the oil resistance film is a rubber film.

Furthermore, the number of the positioning holes is 2-5.

Furthermore, the positioning hole is a counter bore with an internal thread.

Compared with the prior art, the utility model discloses following advantage has:

the positioning ring for the tractor is provided with an oil storage channel communicated with the positioning hole on the positioning ring body, lubricating oil is filled in the oil storage channel, the tail end of the oil storage channel is provided with an oil resistance film, the front end of the oil storage channel is blocked by a piston block, and the tail end of the piston block is provided with a thimble; when the positioning ring is not detached well, the piston block is pressed inwards through manual operation to drive the thimble to puncture the oil resistance film, so that lubricating oil permeates into the positioning hole to lubricate the positioning hole and a bolt connected with the positioning hole, the friction force between the bolt and the positioning hole is reduced, the bolt connected with the positioning ring can be detached quickly, and the positioning ring can be detached from a tractor; this holding ring is from taking lubricating oil filling subassembly, and the convenience is dismantled the holding ring that is in under environment such as humidity, wind and dust for a long time, has improved the maintenance efficiency of tractor.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic view of a positioning ring structure for a tractor according to an embodiment of the present invention;

fig. 2 is a front view of a positioning ring for a tractor according to an embodiment of the present invention;

FIG. 3 is a cross-sectional view of the oil storage passage in the direction T-T of FIG. 2;

fig. 4 is a schematic structural view of a positioning ring for a tractor according to an embodiment of the present invention in another direction;

fig. 5 is a partial enlarged view of a portion a in fig. 4.

Description of reference numerals:

1-a positioning ring body; 2-positioning holes; 3-an oil storage channel; 31-a first channel; 311-inverted L-shaped limiting groove; 32-a second channel; 33-a third channel; 4-a piston block; 41-sealing boss; 42-a bump; 421-a limiting rod; 5-oil resistance film; 6-ejector pin.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for 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 therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. 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," "second," etc. 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 by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Example 1

As shown in fig. 1, a positioning ring for a tractor comprises a positioning ring body 1, wherein one side of the positioning ring body 1 is uniformly provided with a plurality of positioning holes 2, the positioning holes 2 are used for being connected with bolts, the positioning ring body 1 is fixed on other parts of the tractor through the bolts, an oil storage channel 3 is arranged on the circumferential outer surface of the positioning ring body 1 corresponding to each positioning hole 2, the oil storage channel 3 is communicated with the positioning holes 2, an oil resistance film 5 is arranged at the tail end of the oil storage channel 3 along the cross section, a piston block 4 is arranged in the oil storage channel 3, a thimble 6 facing the oil resistance film 5 is arranged on the inner end surface of the piston block 4 corresponding to the oil resistance film 5, and lubricating oil is filled between the inner end of the piston block 4 and the oil resistance film 5 in the oil storage channel 3;

the oil resistance film 5 is a rubber film;

the number of the positioning holes 2 is 2-5;

the positioning hole 2 is a counter bore with internal threads, and the positioning ring body 1 is installed on a tractor through the matching of a bolt and the positioning hole 2.

The working procedure of example 1 is as follows:

an oil storage channel 3 communicated with the positioning hole 2 is arranged on the positioning ring body 1, lubricating oil is filled in the oil storage channel 3, an oil resistance film 5 is arranged at the tail end of the oil storage channel 3, the front end of the oil resistance film is blocked by a piston block 4, and a thimble 6 is arranged at the tail end of the piston block 4; when the retaining ring is not detached well, the piston block 4 is pressed inwards through manual operation, the thimble 6 is driven to puncture the oil resistance film 5, lubricating oil permeates into the retaining hole 2, the retaining hole 2 and the bolt connected with the locating hole are lubricated, friction between the bolt and the retaining hole 2 is reduced, and the bolt connected with the retaining ring can be detached quickly and the retaining ring can be taken down from a tractor.

Example 2

On the basis of the embodiment 1, the following characteristics are added:

as shown in fig. 2 to 5, the oil reservoir passage 3 includes a first passage 31, a second passage 32, and a third passage 33 that are communicated in this order, and the second passage 32 has a larger cross-sectional size than the first passage 31 and the second passage 32;

the piston block 4 comprises a sealing boss 41 capable of moving along the inner wall of the second channel 32 and a projection 42 positioned in the first channel 31, the thimble 6 is arranged at the inner end of the sealing boss 41, and the sum of the distances from the outer end surface of the sealing boss 41 to the tail end of the thimble 6 is smaller than the distance from the outer end surface of the second channel 32 to the oil-blocking film 5;

limiting rods 421 are symmetrically arranged on two sides of the bump 42, inverted-L-shaped limiting grooves 311 are respectively arranged on two sides of the inner wall of the first channel 31 corresponding to the limiting rods 421, and the limiting rods 421 are clamped at the transverse ends of the inverted-L-shaped limiting grooves 311 and can move along the inverted-L-shaped limiting grooves 311;

a sealing gasket is arranged on the inner wall of the second channel 32 and matched with the sealing boss 41 to prevent the lubricating oil from leaking outwards;

the oil-blocking film 5 is adhered between the inner walls of the third passage 33 by an adhesive.

In embodiment 2, the cross-sectional dimension of the second channel 32 is larger than the cross-sectional dimensions of the first channel 31 and the second channel 32, which limits the range of motion of the sealing boss 41, i.e. the sealing boss 41 can only move in the second channel 32, preventing the sealing boss 41 from falling off the retaining ring body 1 during the operation of the tractor; an inverted L-shaped limiting groove 311 is arranged in the first channel 31, and a limiting rod 421 on the lug 42 is clamped at the transverse end of the inverted L-shaped limiting groove 311, so that the sealing boss 41 is further prevented from moving inwards and outwards in the working process of the tractor; the limiting rod 421 can move along the inverted-L-shaped limiting groove 311 to limit the movement of the piston block 4; the sum of the distance from the outer end face of the sealing boss 41 to the tail end of the thimble 6 is smaller than the distance from the outer end face of the second channel 32 to the oil blocking film 5, so that the piston block 4 is not required to be disassembled, namely, the piston block 4 is in an initial state, the limiting rod 421 is clamped at the transverse end of the inverted L-shaped limiting groove 311, the piston block 4 cannot move inwards at the moment, and in this state, a certain distance is required to be reserved between the thimble 6 and the oil blocking film 5, so that the thimble 6 is prevented from puncturing the oil blocking film 5.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. The positioning ring for the tractor is characterized in that: including holding ring body (1), holding ring body (1) one side evenly is equipped with a plurality of locating holes (2) with every on the circumference surface of holding ring body (1) locating hole (2) correspond the department and all are equipped with oil storage passageway (3), oil storage passageway (3) and locating hole (2) intercommunication oil storage passageway (3) end is equipped with along the cross-sectional position and hinders oil film (5), be equipped with piston block (4) in oil storage passageway (3), correspond the department with hindering oil film (5) on the inner terminal surface of piston block (4) and be equipped with thimble (6) that the orientation hinders oil film (5), the filling has lubricating oil between the interior tip that lies in piston block (4) in oil storage passageway (3) and hindering oil film (5).

2. A retaining ring for a tractor according to claim 1, characterised in that: the oil storage channel (3) comprises a first channel (31), a second channel (32) and a third channel (33) which are communicated in sequence, and the sectional size of the second channel (32) is larger than that of the first channel (31) and that of the second channel (32).

3. A retaining ring for a tractor according to claim 2, wherein: the piston block (4) comprises a sealing boss (41) capable of moving along the inner wall of the second channel (32) and a convex block (42) positioned in the first channel (31), the ejector pin (6) is arranged at the inner end of the sealing boss (41), and the sum of the distances from the end face of the outer end of the sealing boss (41) to the tail end of the ejector pin (6) is smaller than the distance from the end face of the outer end of the second channel (32) to the oil blocking film (5).

4. A retaining ring for a tractor according to claim 3, characterised in that: lug (42) bilateral symmetry is equipped with gag lever post (421), first passageway (31) inner wall both sides do not are equipped with down L type spacing groove (311) with gag lever post (421) correspondence department, gag lever post (421) joint is at the horizontal end in the type of falling L spacing groove (311) to can follow and move in the type of falling L spacing groove (311).

5. A retaining ring for a tractor according to claim 2, wherein: and a sealing gasket is arranged on the inner wall of the second channel (32).

6. A retaining ring for a tractor according to claim 1, characterised in that: the oil resistance film (5) is arranged between the inner walls of the third channel (33).

7. A retaining ring for a tractor according to claim 1, characterised in that: the oil resistance film (5) is a rubber film.

8. A retaining ring for a tractor according to claim 1, characterised in that: the number of the positioning holes (2) is 2-5.

9. A retaining ring for a tractor according to claim 1, characterised in that: the positioning hole (2) is a counter bore with an internal thread.

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