CN214577996U

CN214577996U - Overflow valve with stabilizing function

Info

Publication number: CN214577996U
Application number: CN202023297703.5U
Authority: CN
Inventors: 杨雪中; 刘国华; 刘源海; 栗鹏杰
Original assignee: Shanxi Jingyi Hydraulic Manufacturing Co ltd
Current assignee: Shanxi Jingyi Hydraulic Manufacturing Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-11-02
Anticipated expiration: 2030-12-31

Abstract

The utility model relates to an overflow valve technical field specifically is an overflow valve with stabilizing function, which comprises a valve body, the top threaded connection of valve body has adjusting nut, adjusting nut's inside threaded connection has the locking post, the bottom welding of locking post has adjusting spring, adjusting spring's bottom welding has the fore-set, the bottom welding of fore-set has the case, the inside of oil inlet is provided with the mechanism of decompressing, the bottom of case is provided with buffer, the right side of keeping away from the oil inlet of the inside of valve body has seted up the oil-out. The utility model discloses a function each other between decompression mechanism and the buffer inner structure reaches the absorbing effect when carrying out oil pressure control and case motion to oil inlet department, further reaches the effect of avoiding the oil pressure too high to the internals impact and hit through the control oil pressure, reaches the effect of shock attenuation protection through the buffering to the case bottom, further reaches the effect of guarantee valve body overall stability.

Description

Overflow valve with stabilizing function

Technical Field

The utility model relates to an overflow valve technical field specifically is an overflow valve with stabilizing function.

Background

The overflow valve is a pressure control valve used for maintaining inlet pressure of the valve to be nearly constant, so that redundant fluid in the system flows back through the valve, the overflow valve is a normally closed valve, when the pressure of the system is increased, the flow demand can be reduced, the overflow valve is opened at the moment, redundant flow overflows to the oil tank, the inlet pressure of the overflow valve is ensured, namely, the pressure of a pump outlet is constant, the overflow valve is an important component part of a hydraulic system, and the pressure control valve has the effect of lifting the weight in the aspects of preventing the system from being overloaded, keeping the pressure of the system stable and the like.

The common overflow valve has the disadvantages that internal parts are subjected to corresponding collision due to different pressures, the stability of the whole valve body is changed due to the collision, and the change is caused along with the fluctuation of inlet pressure and flow, so that the pressure stability of the system in working is influenced, the pressure of a hydraulic system is fluctuated, the vibration of a system pipeline and the flow pulsation of other hydraulic elements are further caused, vibration noise is generated, the working stability of the hydraulic system is influenced, the comfort of the surrounding environment of the hydraulic system is reduced, the stability of the inlet pressure of the overflow valve is ensured, and the squeal phenomenon of the overflow valve can be effectively reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an overflow valve with stabilizing capability, this an overflow valve with stabilizing capability have solved the problem that can't guarantee that stability, the internals collision of overflow valve inlet pressure rock and squeal the phenomenon.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an overflow valve with stable function, includes the valve body, the top threaded connection of valve body has adjusting nut, adjusting nut's inside threaded connection has the locking post, the bottom welding of locking post has adjusting spring, adjusting spring's bottom welding has the fore-set, the bottom welding of fore-set has the case, the oil inlet has been seted up to the inside of valve body, the inside of oil inlet is provided with the decompression mechanism, the bottom of case is provided with buffer, the oil-out has been seted up on the right side that the oil inlet was kept away from to the inside of valve body.

Preferably, a rubber pad is bonded to the top of the inner wall of the valve body, and a sound absorption material layer is arranged on the inner wall of the valve body.

Preferably, the decompression mechanism is including the pivot, the both ends of pivot are connected with the internal rotation of valve body, the skin weld of pivot has the connecting seat, the top welding of connecting seat has the resistance board, the right side welding of resistance board has the resistance spring, the bottom welding of connecting seat has the carousel, the internal rotation of carousel is connected with the bull stick.

Preferably, the right end of the resistance spring is welded and fixed with the inner wall of the valve body, and the surface of the rotating rod is welded with the flow distribution plate.

Preferably, the buffering device comprises a buffering spring and a buffering cushion, the top end of the buffering spring is welded and fixed with the inner wall of the valve core, the bottom end of the buffering spring is welded with an elastic button, and the bottom of the buffering cushion is bonded and fixed with the bottom of the inner wall of the valve body.

Preferably, the surface of each elastic button is connected with the inner wall of the valve core in a sliding mode, the number of the elastic buttons is four, and the four elastic buttons are symmetrically distributed by taking the axial point of the valve core as a symmetry axis.

Borrow by above-mentioned technical scheme, the utility model provides an overflow valve with stable function. The method at least has the following beneficial effects:

(1) the utility model discloses a pressure reducing mechanism and buffer utilize the function of each other between the inside each structure of pressure reducing mechanism and buffer to reach the oil inlet department when carrying out oil pressure control and case motion absorbing effect, further reach the effect of avoiding the oil pressure too high to impact the collision to internals through the control oil pressure, reach the effect of shock attenuation protection through the buffering to the case bottom, further reach the effect of guarantee valve body overall stability.

(2) The utility model discloses a function each other between inside each structure of buffer reaches the effect that reduces case and valve body diapire impact strength, reaches the effect to the case protection, reaches extension case life's effect simultaneously, reaches the effect that improves valve body stability through the reduction vibrations that produce when contacting between the valve body internals.

(3) The utility model discloses a set up sound absorbing material, adopt bio-fiber, mineral fiber etc. to combine other fire prevention agent, dampproofing, enzyme inhibitor etc. for the main raw materials, spout it together with the viscose agent through professional machinery, adhere to interior roofing, wall, form the apparent of 2~10mm thickness and have the cotton form coating material of porous gap, reach the effect of inhaling the sound when moving valve body internals contact, further reach the effect that reduces valve body noise.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application:

fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the valve body of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

fig. 4 is an enlarged schematic view of the structure at B in fig. 2.

In the figure: 1. a valve body; 2. adjusting the nut; 3. a locking post; 4. adjusting the spring; 5. a top pillar; 6. a valve core; 7. an oil inlet; 8. a pressure reducing mechanism; 81. a rotating shaft; 82. a connecting seat; 83. a resistance plate; 84. a resistance spring; 85. a turntable; 86. a rotating rod; 87. a flow distribution plate; 9. a buffer device; 91. a buffer spring; 92. a cushion pad; 93. snapping a button; 10. an oil outlet; 11. a rubber pad; 12. a sound absorbing material layer.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

The utility model provides an overflow valve with stabilizing function, as shown in fig. 1-3, including valve body 1, the top threaded connection of valve body 1 has adjusting nut 2, adjusting nut 2's inside threaded connection has locking post 3, the bottom welding of locking post 3 has adjusting spring 4, adjusting spring 4's bottom welding has fore-set 5, the bottom welding of fore-set 5 has case 6, oil inlet 7 has been seted up to valve body 1's inside, the inside of oil inlet 7 is provided with decompression mechanism 8, the bottom of case 6 is provided with buffer 9, the right side of keeping away from oil inlet 7 in valve body 1's inside has seted up oil-out 10.

In the embodiment, a rubber pad 11 is bonded on the top of the inner wall of the valve body 1, a sound-absorbing material layer 12 is arranged on the inner wall of the valve body 1, the rubber pad 11 is also arranged at the welding part of the locking column 3 and the adjusting spring 4, the collision between the locking column 3 and the bottom of the adjusting spring 4 is further reduced when the adjusting spring moves, the stability of the valve body 1 is further improved through the shock absorption, the rubber pad 11 is bonded on the top of the inner wall of the valve body 1, the collision degree between the spring and the inner wall of the valve body 1 under the change of elasticity is reduced, the sound-absorbing material is a sound-absorbing coating, also called sound-absorbing spraying, and is formed by adopting biological fibers, mineral fibers and the like as main raw materials, combining other fire retardants, moisture-proof, enzyme-proof agents and the like, spraying the material together with adhesive through a professional machine, attaching to an inner roof and a wall surface, and forming a porous cotton-shaped coating material with the apparent thickness of 2-10 mm, further reach the effect of inhaling the sound when moving the valve body 1 internals through inhaling sound material layer 12, further reach the effect of noise reduction.

Further, decompression mechanism 8 is including pivot 81, the both ends of pivot 81 are connected with the inside rotation of valve body 1, the skin weld of pivot 81 has connecting seat 82, the top welding of connecting seat 82 has drag flap 83, the right side welding of drag flap 83 has resistance spring 84, the bottom welding of connecting seat 82 has carousel 85, the inside rotation of carousel 85 is connected with bull stick 86, reach restriction drag flap 83 and use pivot 81 pivot point to be the scope of dot turned angle through setting up resistance spring 84, further reach restriction carousel 85 pivoted effect, thereby produce the effect that the impulsive force of resistance reduces the hydraulic oil under the too high condition of pressure through the elasticity of spring, further reach the stable effect of shock attenuation.

Further, resistance spring 84's right-hand member and valve body 1's inner wall welded fastening, bull stick 86's skin weld has flow distribution plate 87, flow distribution plate 87's quantity sets up to five, and five flow distribution plate 87's height all varies, further reach five flow distribution plate 87 at the effect of carousel 85 internal rotation, thereby reach the effect of shunting the hydraulic oil of circulation through its turned angle, further reach the problem that reduction pressure leads to the inside part striking of valve body 1 to rock when facing the too big impact of pressure.

Example 2

As shown in fig. 4, the buffering device 9 includes a buffering spring 91 and a buffering cushion 92, the top end of the buffering spring 91 is welded and fixed with the inner wall of the valve core 6, the bottom end of the buffering spring 91 is welded with an elastic button 93, the bottom of the buffering cushion 92 is bonded and fixed with the bottom of the inner wall of the valve body 1, the valve core 6 often collides with the bottom of the inner wall of the valve body 1 in the up-and-down process to influence the temperature of the whole valve body 1, the buffering cushion 92 is arranged on the bottom wall of the valve body 1, the damping effect is further achieved, the impact between the valve core 6 and the inner wall of the valve body 1 is reduced, the protection effect on the valve core 6 is further achieved, and the effect of prolonging the service life of the valve core 6 is achieved.

In this embodiment, the surface of bullet button 93 and the inner wall sliding connection of case 6, the quantity of bullet button 93 is provided with four, and four bullet buttons 93 all use the pivot point of case 6 as symmetry axis symmetric distribution, through setting up bullet button 93 and buffer spring 91 reach absorbing effect when case 6 and the contact of valve body 1 diapire, and bullet button 93 is provided with the sealing washer with case 6 junction, further reaches the effect that prevents that oil from entering into in the case 6.

The utility model discloses an overflow valve with stabilizing function when using, when hydraulic oil flows into valve body 1 inside from oil inlet 7, oil flows from flow distribution plate 87 when the oil pressure is great, the effect of reposition of redundant personnel has been carried out to the restriction that receives flow distribution plate 87 in the flow process, further reach the effect that reduces oil pressure of oil inlet 7 through reposition of redundant personnel, avoid too big impact internals of oil pressure to lead to the effect of vibrations, influence the stability of valve body 1 operation, flow distribution plate 87 rotates in carousel 85 with the pivot point of bull stick 86 as the dot in the process of being strikeed by oil, when the oil pressure is too big, oil pressure strikes carousel 85, carousel 85 is rotated with the pivot point of pivot 81 as the dot by the pressure, resistance board 83 at connecting seat 82 top carries out the opposite direction rotation in the rotation process, receive the restriction of resistance spring 84 in the rotation process, then the rotation of carousel 85 receives corresponding restriction, the effect of reducing the oil pressure is achieved in the impact countermeasure of the limiting and the oil pressure, the effect of avoiding the vibration of the internal parts of the valve body 1 when the oil pressure is too high is further achieved, thereby achieving the effect of improving the overall stability of the valve body 1, when the valve core 6 moves up and down in the valve body 1, the elastic button 93 at the bottom of the valve core 6 is preferentially contacted and impacted with the rubber pad 11, the impact force of the impact of the valve core 6 and the inner wall of the valve body 1 is greatly reduced through the elastic influence of the rubber pad 11 and the buffer spring 91 in the elastic button 93, the effect of damping and buffering is further achieved, meanwhile, the bottom of the valve core 6 is protected, the effect of prolonging the service life of the valve core 6 is achieved, the rubber pad 11 is also arranged at the welding part of the locking column 3 and the adjusting spring 4, the effect of reducing the collision with the bottom of the locking column 3 when the adjusting spring 4 moves is further achieved, and the effect of improving the stability of the valve body 1 through the damping arrival, the rubber pad 11 is bonded on the top of the inner wall of the valve body 1, and the effect of reducing the collision degree of the spring with the inner wall of the valve body 1 under the elastic force change is achieved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An overflow valve with stabilization function, includes valve body (1), its characterized in that: the top threaded connection of valve body (1) has adjusting nut (2), the inside threaded connection of adjusting nut (2) has locking post (3), the bottom welding of locking post (3) has adjusting spring (4), the bottom welding of adjusting spring (4) has fore-set (5), the bottom welding of fore-set (5) has case (6), oil inlet (7) have been seted up to the inside of valve body (1), the inside of oil inlet (7) is provided with decompression mechanism (8), the bottom of case (6) is provided with buffer (9), oil-out (10) have been seted up on the right side that oil inlet (7) were kept away from to the inside of valve body (1).

2. A relief valve having a stabilizing function according to claim 1, characterized in that: the top of the inner wall of the valve body (1) is bonded with a rubber pad (11), and the inner wall of the valve body (1) is provided with a sound absorption material layer (12).

3. A relief valve having a stabilizing function according to claim 1, characterized in that: decompression mechanism (8) are including pivot (81), the both ends of pivot (81) are connected with the inside rotation of valve body (1), the skin weld of pivot (81) has connecting seat (82), the top welding of connecting seat (82) has resistance board (83), the right side welding of resistance board (83) has resistance spring (84), the bottom welding of connecting seat (82) has carousel (85), the inside rotation of carousel (85) is connected with bull stick (86).

4. A relief valve having a stabilizing function according to claim 3, characterized in that: the right end of the resistance spring (84) is welded and fixed with the inner wall of the valve body (1), and a shunt plate (87) is welded on the surface of the rotating rod (86).

5. A relief valve having a stabilizing function according to claim 1, characterized in that: buffer (9) including buffer spring (91) and cushion (92), the top of buffer spring (91) and the inner wall welded fastening of case (6), the bottom welding of buffer spring (91) has bullet button (93), the bottom of cushion (92) and the bottom bonding of valve body (1) inner wall are fixed.

6. A relief valve having a stabilizing function according to claim 5, characterized in that: the surface of each elastic button (93) is connected with the inner wall of the valve core (6) in a sliding mode, four elastic buttons (93) are arranged, and the four elastic buttons (93) are symmetrically distributed by taking the axial point of the valve core (6) as a symmetry axis.