CN2739430Y

CN2739430Y - Improving structure of pressure valve

Info

Publication number: CN2739430Y
Application number: CN 200420066232
Authority: CN
Inventors: 林进龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-06-24
Filing date: 2004-06-24
Publication date: 2005-11-09
Anticipated expiration: 2014-06-24

Abstract

The utility model relates to an improving structure of a pressure valve, mainly comprising a valve shaft and a valve body. The valve shaft is respectively provided with the first valve plug and the second valve plug, the bottom of which is provided with a valve plug block. The centre of the valve body is penetrated with a shaft hole, the middle bore diameter of which is smaller than the first and the second bore diameters, and the middle bore diameter is made to present an up and down corresponding V shaped hole wall. The outer side of the valve body is respectively provided with an air inlet hole and an air outlet hole, which are communicated with the shaft hole. When the valve shaft is inserted into the shaft hole, the first and the second valve plugs of the valve shaft are respectively placed at the upper and lower ends of the middle bore diameter and slide in the shaft hole up and down via the valve shaft. Due to the improved structure, the valve plugs are not worn and deteriorated easily in use for a long time and the air density, practicability and competitiveness of the device can be increased greatly.

Description

The pressure valve structure-improved

Technical field

The utility model is about a kind of pressure valve structure-improved, is meant a kind ofly except that can improving the valve plug air tightness especially, more can significantly reduce the frictional loss of valve plug, prolongs the valve plug pressure valve structure-improved in working life.

Background technique

Commonly use the pressure valve structure and see also shown in Figure 1A, Figure 1B, it consists predominantly of:

One valve body 1, the side of this valve body 1 is to be respectively equipped with an air intake 11 and relief opening 12, and valve body 1 central authorities then run through and are provided with an axis hole 13, this axis hole 13 be become one stepped, make it be convex, wherein 13 of this axis holes and air intake 11 and air outlet 12 are interconnected;

One valve shaft 2, the stage casing of this valve shaft 2 and bottom are respectively equipped with a groove, then are equipped with first valve plug 21 and second valve plug 22 on this groove respectively, and use in order to user's pressure holding to be provided on the top of valve shaft 2;

When valve shaft 2 inserts the axis hole 13 of

valve body

1,21,22 hole walls of first and second valve plug on the valve shaft 2 with axis hole 13 paste mutually and, this moment, gas was because of stopping of being subjected to that first and second valve plug 21,22 and hole wall fit mutually, made them can't 12 discharges from the air outlet; When the user pushed valve shaft 2 downwards, 22 of second valve plugs slided and are placed in the ladder-type axis hole 13, at this moment, then produce a slit between second valve shaft 22 and hole wall, gas then can make air outlet 12 produce an air pressure, so that the user to be provided operational applications by 12 discharges toward the air outlet of this slit; When the user stopped using, the bottom of valve shaft 2 and

valve plug

21,22 upwards pushed it because of being subjected to the effects of air pressure of air intake 11, and fitted mutually by first valve plug and

second valve plug

21,22 and hole wall, made gas can't be from the air outlet 12 discharge; In addition, also a spring 23 can be set, make it be able to more effective and intercept gas fast in the bottom of valve shaft 2.

Though above-mentioned pressure valve can reach user's demand, yet it is when manipulating, first valve plug and

second valve plug

21,22 be repeated friction on hole wall all, make it when long-term use, the valve plug wearing and tearing are big, and then build-up of pressure valve air tightness deficiency, can't use for a long time, in addition, though can be effectively and intercept gas fast by the setting of spring 23, yet, but significantly increase assembling difficulty and manufacture cost, significantly reduce its competitive ability.

Summary of the invention

The purpose of this utility model is exactly the defective that overcomes above-mentioned prior art, and a kind of pressure valve structure-improved that can significantly prolong valve plug working life, improve practicability is provided.

Of the present utility model time a purpose provides a kind of pressure valve structure-improved that can significantly reduce the valve plug abrasion.

Another purpose of the present utility model provides a kind of pressure valve structure-improved that can significantly increase the valve plug air tightness.

Another purpose of the present utility model provides a kind of simple structure, processing procedure is easy, and can significantly reduce the pressure valve structure-improved of fabricating cost.

The purpose of this utility model realizes by following technical proposals, pressure valve structure-improved provided by the utility model, it mainly is made up of a valve shaft and valve body, be respectively equipped with first valve plug and second valve plug on this valve shaft, the bottom of second valve plug then is provided with a valve plug block, the upper limb of valve shaft then is arranged with an axle sleeve, manipulates so that the user to be provided; The central authorities of this valve body run through to be provided with an axis hole, the aperture, stage casing of this axis hole is then less than first and second aperture, make its stage casing inwall go to upper and lower the V shaped hole wall of mutual correspondence, the outside of valve body then is respectively equipped with a blowhole and air outlet hole, this blowhole and air outlet hole then are interconnected with axis hole, and this air outlet hole is to be the orthogonal setting that concerns with the aperture, stage casing; When valve shaft is inserted in axis hole, first valve plug of valve shaft and second valve plug then place respectively sector hole on, the lower end, when the user manipulates, be that valve shaft is pushed downwards, at this moment, first valve plug then fits in hole wall, gas then can be given vent to anger toward air outlet hole by blowhole by the slit of following hole wall, when the user stopped using, the air pressure of blowhole was then upwards pushed by the valve plug block, made second valve plug fit tightly in following hole wall, make it effectively be intercepted gas and lead to air outlet hole by blowhole, first valve plug and last hole wall produce the gap again, make the air pressure of air outlet hole end be able to be discharged by last hole wall, make the air pressure of air outlet hole end be able to the working state recovery; Therefore,, make valve plug not easy to wear, rotten when long-time the use, more can significantly increase its air tightness, significantly increase its practicability and competitive ability by above-mentioned structure.

In a kind of preferable mode of the present utility model, wherein said valve plug is the rubber material.

In a kind of preferable mode of the present utility model, the basal area of wherein said valve plug block is greater than valve plug, and forms a gap less than the axis hole hypomere.

In a kind of preferable mode of the present utility model, wherein this axle sleeve head side is to be provided with a locking hole, makes it can be fixed mutually by lock firmware and valve shaft.

In a kind of preferable mode of the present utility model, wherein this air outlet hole and blowhole are to be the orthogonal setting that concerns with axis hole.

In a kind of preferable mode of the present utility model, wherein this lock firmware is a screw.

In a kind of preferable mode of the present utility model, wherein the stage casing of this axis hole is the V shaped hole wall of upper and lower correspondence.

Given embodiment describes in further detail structure of the present utility model, characteristics and effect below in conjunction with accompanying drawing, and making it has further understanding to the utility model.

Description of drawings

Figure 1A, 1B are the enforcement illustrative view of commonly using pressure valve;

Fig. 2 is the structure improved three-dimensional section decomposing schematic representation of the utility model pressure valve;

Fig. 3 is that the structure improved three-dimensional section of the utility model pressure valve is in conjunction with schematic representation;

Fig. 4 is the structure improved schematic perspective view of the utility model pressure valve; And

Fig. 5 A, 5B are the structure improved enforcement illustrative view of model utility pressure valve.

Element numbers:

1 valve body; 11 air intakes; 12 air outlets; 13 axis holes; 2 valve shafts; 21 first valve plugs; 22 second valve plugs; 23 springs; 3 valve shafts; 31 first valve plugs; 32 second valve plugs; 33 valve plug blocks; 34 axle sleeves; 35 locking holes; 4 valve bodies; 41 axis holes; Aperture, 411 stage casing; 412 first apertures; 413 second apertures; 42 blowholes; 43 air outlet holes; Hole wall on the 411A V-type; Hole wall under the 411B V-type; 45 plug screws.

Embodiment

See also Fig. 2 to shown in Figure 4, shown the is structure improved three-dimensional decomposition of pressure valve provided by the utility model, section and section is in conjunction with schematic representation, and its pressure valve structure-improved mainly includes:

One valve shaft 3, the middle section of this valve shaft 3 is to be respectively equipped with rubber-like first valve plug 31 and second valve plug 32, the bottom of second valve plug 32 then is provided with a valve plug block 33, the basal area of this valve plug block 33 is greater than second valve plug 32, the top upper limb of valve shaft 3 then is arranged with an axle sleeve 34, side on this axle sleeve 34 then is provided with a locking hole 35, makes it can be fixed mutually by lock firmware and valve shaft 3, manipulates so that the user to be provided;

One valve body 4, the central authorities of this valve body 4 run through to be provided with an axis hole 41,411 in aperture, stage casing in this axis hole 41 is less than first aperture 412 and second aperture 413, make the footpath of sector hole wherein on, the lower end is on the V-type of mutual correspondence hole wall 411B under the hole wall 411A and V-type, the outside of valve body 4 then is respectively equipped with a blowhole 42 and air outlet hole 43, this blowhole 42 is interconnected with 43 of air outlet holes and axis hole 41, and this air outlet hole 43 is to be orthogonal position with aperture, stage casing 411 to be provided with, the bottom in this second aperture 413 is to be equipped with several screw threads, and pass through a plug screw 45 with its closure, discharge from the bottom in second aperture 413 to avoid gas;

When valve shaft 3 was inserted in axis hole 41, first valve plug 31 of

valve shaft

3 and 32 of second valve plugs placed on the V-type hole wall 411B under the hole wall 411A and V-type respectively, and can upper and lower slip in axis hole 41 by valve shaft 3.

See also shown in Fig. 5 A, the 5B, it is respectively the structure improved enforcement illustrative view of pressure valve of the present utility model; When the user manipulates, be that valve shaft 3 is pushed downwards, at this moment, 31 of first valve plugs fit in hole wall 411A on the V-type, make the gas in the pressure valve to discharge toward air outlet hole 43 by blowhole 42, make it produce an air pressure, use use so that the user to be provided by the slit in aperture, stage casing 411; When the user stops using, the air pressure of blowhole 42 is then upwards pushed by valve plug block 33, make second valve plug 32 fit tightly hole wall 411B under V-type, make it effectively be intercepted gas, in addition, the basal area of valve plug block 33 is greater than second valve plug 32, when making it pushed by air pressure, can quicker and efficient moving up, can exempt the setting of the spring of commonly using pressure valve, can significantly reduce manufacture cost, in addition, first valve plug 31 of the present utility model and second valve plug 32 are when sliding, and neither meeting produces friction with first aperture 412 and second aperture 413, can significantly prolong its working life; Therefore,, make the valve plug 31 of winning, second valve plug 32 not easy to wear, rotten when long-time the use, more can significantly increase its air tightness, significantly increase its practicability and competitive ability by above-mentioned structure.

Pressure valve structure-improved provided by the utility model is commonly used article mutually relatively the time with other, has more following advantage:

1, the utility model is by the design of the V shaped hole wall in the axis hole, makes and can significantly improve airtight effect between valve plug and hole wall, significantly improves practicability.

2, the utility model is the design by the V shaped hole wall in the axis hole, when its when opening circuit, the air pressure end pressure is bigger, then the air tightness of valve plug and hole wall is good more.

3, the utility model is the setting by the valve plug block, and it can be opened circuit it by air pressure, can save the setting of spring, significantly reduces manufacture cost.

When 4, opened circuit in air inlet end of the present utility model and outlet side, the outlet side also can be discharged air pressure, made it be able to working state and restored.

5, valve plug of the present utility model and axis hole wall are not have friction, can increase working life.

Above-listed detailed description is specifying at a possible embodiments of the present utility model; and this embodiment is not in order to limit claim of the present utility model; allly do not break away from the equivalence that the utility model skill spirit does and implement or change, all should be contained in this novel claimed claim.

Claims

1, a kind of pressure valve structure-improved is characterized in that it comprises:

One valve shaft, the middle section of this valve shaft are to be respectively equipped with rubber-like first valve plug and second valve plug, and the bottom of second valve plug then is provided with a valve plug block, and the top upper limb of valve shaft then is arranged with an axle sleeve;

One valve body, the central authorities of this valve body run through to be provided with an axis hole, and the aperture, stage casing in this axis hole is then less than first aperture and second aperture, and the outside of valve body then is respectively equipped with a blowhole and air outlet hole, and this blowhole and air outlet hole then are interconnected with axis hole; When valve shaft was inserted in axis hole, first valve plug of valve shaft and second valve plug then placed the upper and lower end in aperture, stage casing respectively, and by valve shaft upper and lower slip in axis hole.

2, pressure valve structure-improved according to claim 1 is characterized in that this valve plug is a rubber.

3, pressure valve structure-improved according to claim 1, the basal area that it is characterized in that this valve plug block be greater than valve plug, and form a gap less than the axis hole hypomere.

4, pressure valve structure-improved according to claim 1 is characterized in that this axle sleeve head side is to be provided with a locking hole, makes it can be fixed mutually by lock firmware and valve shaft.

5, pressure valve structure-improved according to claim 1 is characterized in that this air outlet hole and blowhole are to be the orthogonal setting that concerns with axis hole.

6, pressure valve structure-improved according to claim 4 is characterized in that this lock firmware is a screw.

7, pressure valve structure-improved according to claim 1, the stage casing that it is characterized in that this axis hole are the V shaped hole wall of upper and lower correspondence.