CN214404510U - Lift valve for tractor - Google Patents

Abstract

The utility model discloses a lift valve for a tractor, in particular to the technical field of lift valves, which comprises a valve body, wherein a rotary groove is formed in the outer wall of the valve body, a rotary ring is sleeved in the rotary groove in a rotary sleeve manner, a fixed sleeve rod is welded at the top of the outer wall of the rotary ring, a threaded hole is formed in one side, away from the rotary ring, of the fixed sleeve rod, a threaded rod is sleeved in the threaded hole in a threaded manner, a positioning rotary block is welded at one end of the threaded rod, a positioning plate is sleeved outside the positioning rotary block in a rotary manner, a reset spring is welded at one side of the positioning plate, and a pressing plate is welded at one end of the reset spring; the utility model discloses a clamp plate and anti-skidding rubber pad can contact with peripheral object under reset spring's elasticity to accessible reset spring's deformation comes to carry out the damping to the poppet valve, prolongs the life of poppet valve, and the swivel rotates still can adjust the clamp plate position, guarantees that the anti-skidding rubber pad can press at peripheral object surface, whole convenient and practical, suitable bulk production.

Description

Lift valve for tractor

Technical Field

The utility model relates to a poppet valve technical field, more specifically say, the utility model relates to a tractor is with poppet valve.

Background

A tractor is a self-propelled power machine used for towing and driving a working machine to complete various mobile operations. Can also be used as fixed operation power. The system or the device comprises an engine, a transmission system, a walking system, a steering system, a hydraulic suspension system, a power output system, an electric instrument system, a driving control system, a traction system and the like. The power of the engine is transmitted to the driving wheel by the transmission system, so that the tractor runs, and in real life, a rubber belt is commonly used as a medium for power transmission. Tractors classified into agricultural, industrial and special uses according to function and use; the tractor is divided into a wheel type tractor, a crawler type tractor, a boat-shaped tractor, a self-propelled chassis and the like according to the structure type. It is common to provide a poppet valve in a tractor, which poppet valve may be used in a piston engine to control the admission of air, the poppet valve operating in a valve guide.

However, the existing tractor often produces violent vibration during operation, and the vibration accelerates the abrasion of the inner part of the lift valve for the tractor, shortens the service life of the lift valve, influences the air intake of the tractor, and cannot meet the requirements of the prior art.

The above information disclosed in this background section is only for enhancement of understanding of the background of the disclosure and therefore it may contain information that does not constitute prior art that is already known to a person of ordinary skill in the art.

Disclosure of Invention

In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a lift valve for tractor, the utility model aims to solve the technical problem that: through the setting of change, fixed loop bar, threaded rod, reset spring and clamp plate, solved and to have carried out the problem of damping to the poppet valve.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a lift valve for tractor, includes the valve body, the runner has been seted up to the valve body outer wall, runner internal rotation cover has the swivel, the welding of swivel outer wall top has fixed loop bar, one side that the swivel was kept away from to fixed loop bar has the screw hole, screw hole internal thread cover has the threaded rod, the welding of threaded rod one end has the location commentaries on classics piece, location commentaries on classics piece external rotation cover has the locating plate, the welding of locating plate one side has reset spring, reset spring one end welding has the clamp plate, reset spring's one side is kept away from to the clamp plate one side bonding has anti-skidding rubber pad, swivel inner wall bottom thread cover has fixing bolt, fixing bolt one end bonds there is the block rubber, block one side contacts with the runner inner wall.

In a preferred embodiment, the fixing bolt is located directly below the fixing bar.

In a preferred embodiment, the outer wall of the threaded rod is welded with a rotating rod.

In a preferred embodiment, the rotating rod is located between the fixed sleeve rod and the positioning rotating block.

In a preferred embodiment, the positioning plate is located between the rotating rod and the return spring.

In a preferred embodiment, two symmetrically distributed pulling blocks are welded on one side of the pressing plate.

In a preferred embodiment, the pressure plate is located between the pull block and the non-slip rubber pad.

In a preferred embodiment, the swivel ring is in the shape of a circular ring, and the pull block is in the shape of an "L".

The utility model discloses a technological effect and advantage:

1. the utility model discloses a clamp plate and anti-skidding rubber pad can contact with peripheral object under reset spring's elasticity to accessible reset spring's deformation comes to carry out the damping to the poppet valve, prolongs the life of poppet valve, and the swivel rotates still can adjust the clamp plate position, guarantees that the anti-skidding rubber pad can press at peripheral object surface, whole convenient and practical, suitable bulk production.

2. The utility model discloses a rotatory threaded rod still can drive reset spring and carry out lateral shifting, makes the clamp plate can contact farther object, still can control reset spring's compression length behind the lateral shifting, is convenient for control reset spring's elasticity when the damping, but the swivel after the fixed bolt cooperation block rubber to the pairing rotation is fixed, has improved the practicality of poppet valve.

Drawings

Fig. 1 is an overall structure front view of the present invention.

Fig. 2 is a front sectional view of the overall structure of the present invention.

Fig. 3 is an enlarged view of the structure a in fig. 2 according to the present invention.

Fig. 4 is a top view of the swivel of the present invention.

Fig. 5 is a front view of the positioning rotating block of the present invention.

The reference signs are: 1. a valve body; 11. rotating the groove; 2. rotating the ring; 21. fixing the bolt; 22. a rubber block; 3. fixing the loop bar; 31. a threaded hole; 32. a threaded rod; 33. positioning a rotating block; 34. a rotating rod; 4. positioning a plate; 41. a return spring; 42. pressing a plate; 43. an anti-skid rubber pad; 44. and (5) pulling the block.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these example embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted.

Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more example embodiments. In the following description, numerous specific details are provided to give a thorough understanding of example embodiments of the disclosure. One skilled in the relevant art will recognize, however, that the subject matter of the present disclosure can be practiced without one or more of the specific details, or with other methods, components, steps, and so forth. In other instances, well-known structures, methods, implementations, or operations are not shown or described in detail to avoid obscuring aspects of the disclosure.

Referring to fig. 1-5, the present invention provides a lift valve for a tractor, including a valve body 1, the valve body 1 is a common lift valve body, the internal structure of which is disclosed herein and not described herein, a rotary slot 11 is formed on the outer wall of the valve body 1, a rotary ring 2 is rotatably sleeved in the rotary slot 11, the rotary slot 11 allows the rotary ring 2 to rotate outside the valve body 1, a fixed sleeve rod 3 is welded on the top of the outer wall of the rotary ring 2 to support and connect the fixed sleeve rod 3, a threaded hole 31 is formed on the side of the fixed sleeve rod 3 away from the rotary ring 2, a threaded rod 32 is sleeved in the threaded hole 31, one end of the threaded rod 32 rotates in the fixed sleeve rod 3, a positioning rotary block 33 is welded on one end of the threaded rod 32, a positioning plate 4 is rotatably sleeved outside the positioning rotary block 33, the positioning rotary block 33 can connect the threaded rod 32 with the positioning plate 4, and can prevent the positioning plate 4 from rotating along with the positioning rod 32, 4 one side welding of locating plate has reset spring 41, be convenient for support reset spring 41, the welding of 41 one end of reset spring has clamp plate 42, one side that reset spring 41 was kept away from to clamp plate 42 bonds and has anti-skidding rubber pad 43, clamp plate 42 can be connected reset spring 41 and anti-skidding rubber pad 43, anti-skidding rubber pad 43 frictional force is great, frictional force when having increased with the object contact, 2 inner wall bottom thread bush of change has fixing bolt 21, be convenient for support and spacing fixing bolt 21, fixing bolt 21 one end bonds and has block rubber 22, be convenient for drive block rubber 22 and remove, block rubber 22 one side contacts with 11 inner walls of turn trough, be convenient for fix between change 2 and the valve body 1, prevent change 2 random rotations.

The fixing bolt 21 is positioned under the fixed sleeve rod 3 to facilitate the rotation or fixation of the rotating ring 2, the rotating rod 34 is welded on the outer wall of the threaded rod 32, the rotating rod 34 facilitates people to rotate the threaded rod 32, the rotating rod 34 is in a cylinder shape to facilitate people to hold, the positioning rotating block 33 is formed by welding two cylinders with different sizes, the positioning rotating block 33 is convenient to rotate, the rotating rod 34 is positioned between the fixed sleeve rod 3 and the positioning rotating block 33, the positioning plate 4 is positioned between the rotating rod 34 and the reset spring 41, two pull blocks 44 which are symmetrically distributed are welded on one side of the pressing plate 42, the pull plates 44 facilitate people to pull the pressing plate 42 away from the surface of an object to facilitate the movement of the pressing plate 42, the pressing plate 42 is positioned between the pull blocks 44 and the anti-skid rubber pad 43, the rotating ring 2 is in a ring shape, the rotating rod 2 can circumferentially run outside the valve body 1, and the pulling block 44 is L-shaped, so that people can pull the pulling block 44 conveniently.

The utility model discloses the theory of operation: when in use, the rotating rod 2 outside the rotating groove 11 can be rotated, so that the anti-skid rubber pad 43 can be aligned to peripheral objects, then the rotating rod 34 can be held to rotate the threaded rod 32, after the threaded rod 32 rotates, the positioning plate 4 and the return spring 41 are driven to move transversely through the connection of the positioning rotating block 33, so that the pressing plate 42 and the anti-skid rubber pad 43 which move transversely can contact with the surface of an object under the elastic force of the return spring 41, therefore, the valve body 1 can be damped through the deformation of the return spring 41, the compression length of the return spring 41 can be controlled after the continuous transverse movement, the elasticity of the return spring 41 during damping is convenient to control, the rubber block 22 can be driven to transversely move by rotating the fixing bolt 21, after the rubber block 22 is contacted with the rotary groove 11, the rotating swivel 2 is fixed, and the pressing plate 42 can be pulled away from the surface of the object by pulling the pulling block 44, so that the position of the pressing plate 42 is convenient to move.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the 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 (8)

1. A lift valve for tractors, comprising a valve body (1), characterized in that: the anti-skid valve is characterized in that a rotary groove (11) is formed in the outer wall of the valve body (1), a rotary ring (2) is sleeved in the rotary groove (11) in a rotating manner, a fixed sleeve rod (3) is welded to the top of the outer wall of the rotary ring (2), a threaded hole (31) is formed in one side, away from the rotary ring (2), of the fixed sleeve rod (3), a threaded rod (32) is sleeved in the threaded hole (31) in an internal thread manner, a positioning rotary block (33) is welded to one end of the threaded rod (32), a positioning plate (4) is sleeved outside the positioning rotary block (33) in a rotating manner, a reset spring (41) is welded to one side of the positioning plate (4), a pressing plate (42) is welded to one end of the reset spring (41), an anti-skid rubber pad (43) is bonded to one side, away from the reset spring (41), a fixing bolt (21) is sleeved on the bottom of the inner wall of the rotary ring (2) in a threaded manner, and a rubber block (22) is bonded to one end of the fixing bolt (21), one side of the rubber block (22) is contacted with the inner wall of the rotary groove (11).

2. A lift valve for a tractor according to claim 1, wherein: the fixing bolt (21) is positioned under the fixing loop bar (3).

3. A lift valve for a tractor according to claim 1, wherein: the outer wall of the threaded rod (32) is welded with a rotating rod (34).

4. A lift valve for a tractor according to claim 3, wherein: the rotating rod (34) is positioned between the fixed loop bar (3) and the positioning rotating block (33).

5. A lift valve for a tractor according to claim 4, wherein: the positioning plate (4) is positioned between the rotating rod (34) and the return spring (41).

6. A lift valve for a tractor according to claim 1, wherein: two pull blocks (44) which are symmetrically distributed are welded on one side of the pressing plate (42).

7. A lift valve for a tractor according to claim 6, wherein: the pressing plate (42) is positioned between the pulling block (44) and the anti-skid rubber pad (43).

8. A lift valve for a tractor according to claim 7 wherein: the rotating ring (2) is in a circular ring shape, and the pulling block (44) is in an L shape.

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