CN105864474B

CN105864474B - A kind of throttle valve by Fluid pressure regulation stall

Info

Publication number: CN105864474B
Application number: CN201610357675.0A
Authority: CN
Inventors: 吴孟人; 高原
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-05-26
Filing date: 2016-05-26
Publication date: 2018-06-19
Anticipated expiration: 2036-05-26
Also published as: CN105864474A

Abstract

The invention discloses a kind of throttle valves by Fluid pressure regulation stall,It is characterized in that upper valve block is equipped in valve body,Lower disc and rotational valve core,Upper valve block is equipped with the flow-rate adjustment disk for being fixedly connected on valve body inner outlet side,Flow-rate adjustment disk border is equipped with the columnar upper side wall stretched downwards,Gap is circumferentially evenly distributed on upper side wall,Lower disc is equipped with the circular disk coaxial with flow-rate adjustment disk for being fixedly connected on entrance side in valve body,Circular disk edge is equipped with stretching upwards with columnar lower wall,Lower gap that is identical with upper gap quantity and being staggered with upper gap is circumferentially evenly distributed in lower wall,Rotational valve core, which is equipped with, is located at upper valve block,It can be by falling into the stem in lower wall between upper side wall between lower disc,Stem side is circumferentially with the consistent helical teeth for entering upper gap and lower gap of circumferential direction,Flow conciliation only needs fluid pressure itself that can implement,Without automatically controlled,It can be with remote control,It is more convenient.

Description

A kind of throttle valve by Fluid pressure regulation stall

Technical field

A kind of flow control valve when being conveyed the present invention relates to liquid or gas leans on Fluid pressure tune more particularly to one kind Save the throttle valve of gear.

Background technology

Liquid or gas are often required to use throttle valve when conveying, and throttle valve is mostly single diameter at present, is needing transform stream Throttle valve is needed replacing during amount, in order to be more convenient for operating, a small number of throttle valves can be operated closely or be controlled by electric device Can accomplish replace flow, but some distal end and without automatically controlled grade in special circumstances, using throttle valve adjustment flow just by very Big limitation is still solved up for technology.

Invention content

To solve the above-mentioned problems, the present invention provides a kind of throttle valves by Fluid pressure regulation stall.

The technical solution adopted by the present invention is：A kind of throttle valve by Fluid pressure regulation stall, including valve body, feature It is to be equipped with upper valve block, lower disc and rotational valve core in valve body, upper valve block is equipped with the flow for being fixedly connected on valve body inner outlet side Disk is adjusted, flow-rate adjustment disk border is equipped with the columnar upper side wall stretched downwards, is circumferentially evenly distributed on upper side wall Upper gap, forms upper arc pile between adjacent upper gap, and lower disc is equipped be fixedly connected on entrance side in valve body and flow-rate adjustment The coaxial circular disk of disk, circular disk edge be equipped with it is stretching upwards with columnar lower wall, in lower wall it is circumferential It is even that lower gap that is identical with upper gap quantity and being staggered with upper gap is distributed with, arc lower pile is formed between adjacent lower gap, is turned Movable valve plug is equipped with can be by falling into the stem in lower wall between upper valve block, lower disc between upper side wall, stem side is circumferentially set There is the helical teeth for entering upper gap and lower gap that circumferential direction is consistent, helical teeth has the opposite upper helicoid in direction and lower spiral Face, upper arc pile end face are the convex wheel face that can be coincide with upper helicoid, and arc lower pile end face can coincide with lower helicoid Lower cam face, stem are equipped with the stationary flowpath being staggered with circular disk core bore, and flow-rate adjustment circle is equipped with and upper gap quantity The equally distributed each shelves of identical circumferential direction adjust runner, and it is opposite that stationary flowpath can adjust runner with each shelves respectively.

Further, the upper gap is 2 to 25.

Further, the helical teeth quantity is the integer more than upper gap quantity half.

Further, 1.1 times to 2 of the upper arc pile end face and arc lower pile end face minimum perpendicular distance helical teeth height Times.

Further, between the helix angle of the upper helicoid and lower helicoid is 10 degree to 70 degree.

Further, the helical teeth falls into the circumferential gap after gap and lower gap and is less than two millimeters.

The present invention is connected to when using in liquid or air shooter line vertically, and in no discharge pressure, rotational valve core exists Gravity falls on circular disk, and helical teeth is located in corresponding lower gap, when pipeline is rotated to when pressing under fluid matasomatism Spool overcomes to be risen in gravity, and helical teeth is detached from lower gap, and helicoid is contacted with convex wheel face corresponding thereto thereon, upper The lower rotational valve core of cam surface effect rotates and slips into upper gap accordingly, the stationary flowpath on stem and wherein one grade adjusting runner Alignment can keep the output of certain flow at this pressure, when the flow cannot meet production requirement, only need to close pipeline, Pipeline decompression rotational valve core falls under the effect of gravity, and helicoid is convex under falling on its opposite arc lower pile end face i.e. under helical teeth On wheel face, rotational valve core rotate and under slipping into once in gap under being acted in lower cam face, and phase changes, and need to give again Pressure rotational valve core moves upwards, and stop place changes with last time phase, and the stationary flowpath on stem is adjusted with next grade to flow Road is aligned, and and so on switch-mode regulation only needs the pressure that the break-make of fluid itself generates to the adjusting runner needed, the conciliation Power variation can be implemented, can be more convenient with remote control without automatically controlled.

Description of the drawings

Fig. 1 is schematic side view of the embodiment of the present invention.

Fig. 2 is stereoscopic schematic diagram of the embodiment of the present invention.

Reference numeral：

1 valve body；

Valve block on 2；21 flow-rate adjustment disks；Arc pile on 22；23 convex wheel faces；24 adjust runner；

3 lower discs；31 circular disks；32 arc lower piles；33 lower cam faces；

4 rotational valve cores；41 stems；42 helical teeth；Helicoid on 43；44 times helicoids；45 stationary flowpaths.

Specific embodiment

Preferred embodiment was as shown in Figure 1, valve body 1, this reality should be equipped with by the throttle valve of Fluid pressure regulation stall A valve body is applied as cylindrical shape, when implementation is alternatively other cavities for meeting installation requirements, and upper valve block 2, lower disc 3 are equipped in valve body With rotational valve core 4, upper valve block is equipped with the flow-rate adjustment disk 21 for being fixedly connected on valve body inner outlet side, flow-rate adjustment disk border Equipped with the columnar upper side wall stretched downwards, gap is circumferentially evenly distributed on upper side wall, gap number is gone up in the present embodiment It is 4 to measure, and upper gap quantity can as needed adjust between 2 to 25 during implementation, range that however, it is not limited to this, adjacent upper to slit Upper arc pile 22 is formed between mouthful, lower disc is equipped with the annular coaxial with flow-rate adjustment disk for being fixedly connected on entrance side in valve body Disk 31, circular disk edge be equipped with it is stretching upwards with columnar lower wall, be circumferentially evenly distributed in lower wall with it is upper Gap quantity is identical and the lower gap that is staggered with upper gap, and arc lower pile 32 is formed between adjacent lower gap, i.e., upper arc pile with Opposite, arc lower pile and upper gap are opposite up and down up and down for lower gap, and rotational valve core is equipped with can be by between upper valve block, lower disc The stem 41 in lower wall is fallen between upper side wall, can coincide above stem with flow-rate adjustment disk, annular can be covered below stem Disk core bore, stem side are circumferentially with the consistent helical teeth 42 for entering upper gap and lower gap of circumferential direction, and helical teeth has Between the helix angle of the opposite upper helicoid 43 in direction and lower helicoid 44, upper helicoid and lower helicoid is 10 degree to 70 degree Relatively it is suitble to, is not limited thereto range certainly, the helix angle of upper helicoid and lower helicoid can be identical, also can be different, main Will be to meet the guiding of component and be easy to based on slip, upper arc pile end face is the convex wheel face that can be coincide with upper helicoid 23, arc lower pile end face is the lower cam face 33 that can be coincide with lower helicoid, and stem is equipped with what is be staggered with circular disk core bore Axial stationary flowpath 45, it is equally distributed not of uniform size that flow-rate adjustment disk is equipped with the circumferential direction identical with upper gap quantity Each shelves adjust runner 24, and stationary flowpath can be opposite with each shelves adjusting runner respectively, and stationary flowpath can be completely included respectively respectively Shelves adjust runner or respectively with each shelves adjust runner section it is Chong Die, in a word be generation different flow gear.

The present invention is connected to when using in liquid or air shooter line vertically, and in no discharge pressure, rotational valve core exists Gravity falls on circular disk, and helical teeth is located in corresponding lower gap, when pipeline is rotated to when pressing under fluid matasomatism Spool overcomes to be risen in gravity, and helical teeth is detached from lower gap, and helicoid is contacted with convex wheel face corresponding thereto thereon, upper The lower rotational valve core of cam surface effect rotates and slips into upper gap accordingly, the stationary flowpath on stem and wherein one grade adjusting runner Alignment can keep the output of certain flow at this pressure, when the flow cannot meet production requirement, only need to close pipeline, Pipeline decompression rotational valve core falls under the effect of gravity, and helicoid is convex under falling on its opposite arc lower pile end face i.e. under helical teeth On wheel face, rotational valve core rotate and under slipping into once in gap under being acted in lower cam face, and phase changes, the present embodiment change It is 90 degree to change phase angle, need to only be moved upwards again to pressure rotational valve core, rotational valve core stop place becomes with last time phase Change and 90 degree of variation, the stationary flowpath on stem adjust runner with next grade and are aligned, and so on adjust to the adjusting needed Runner, which only needs fluid pressure itself that can implement, can be more convenient with remote control without automatically controlled.

During implementation, helical teeth quantity can also be less than upper gap quantity, can be more than the integer of upper gap quantity half To meet guide function；Helical teeth falls into the circumferential gap after gap and lower gap to meet subject to freely up and down activity, Clearance fit can be used, maximal clearance is constant with delivery channel smallest cross-section area in circumferential scope of activities, and helical teeth, which is fallen into, to slit Circumferential gap optimum range after mouth and lower gap is less than two millimeters；Upper arc pile end face bottom and arc lower pile end face are most 1.1 times to 2 times for the helical teeth height on rotational valve core of minimum perpendicular distance, ensure there are enough backlash freedom rotations between upper end Turn.

It is only present pre-ferred embodiments in summary, all equivalent modifications done according to the application and prior art addition are equal It is considered as the technology of the present invention scope.

Claims

1. a kind of throttle valve by Fluid pressure regulation stall, including valve body, it is characterised in that upper valve block, lower valve are equipped in valve body Piece and rotational valve core, upper valve block are equipped with the flow-rate adjustment disk for being fixedly connected on valve body inner outlet side, flow-rate adjustment disk border Equipped with the columnar upper side wall stretched downwards, gap is circumferentially evenly distributed on upper side wall, is formed between adjacent upper gap Arc pile, lower disc are equipped with the circular disk coaxial with flow-rate adjustment disk for being fixedly connected on entrance side in valve body, annular circle Plate edge is equipped with the columnar lower wall that stretches upwards, be circumferentially evenly distributed in lower wall it is identical with upper gap quantity and The lower gap being staggered with upper gap, forms arc lower pile between adjacent lower gap, rotational valve core be equipped with positioned at upper valve block, lower disc it Between can be by falling into the stem in lower wall between upper side wall, stem side, which is circumferentially with, consistent with circumferential direction enters upper gap With the helical teeth of lower gap, helical teeth has the opposite upper helicoid in direction and lower helicoid, and upper arc pile end face is can be with upper spiral The convex wheel face that face coincide, arc lower pile end face are the lower cam face that can be coincide with lower helicoid, and stem is equipped with to be justified with annular The stationary flowpath that disc core hole is staggered, flow-rate adjustment disk are equipped with the circumferential direction equally distributed each shelves tune identical with upper gap quantity Throttle road, and it is opposite that stationary flowpath can adjust runner with each shelves respectively.

A kind of 2. throttle valve by Fluid pressure regulation stall according to claim 1, it is characterised in that the upper gap It is 2 to 25.

A kind of 3. throttle valve by Fluid pressure regulation stall according to claim 1, it is characterised in that the helical teeth number It measures as the integer more than upper gap quantity half.

A kind of 4. throttle valve by Fluid pressure regulation stall according to claim 1, it is characterised in that the upper arc Pile end face and arc lower pile end face vertical range are 1.1 times to 2 times of helical teeth height.

A kind of 5. throttle valve by Fluid pressure regulation stall according to claim 1, it is characterised in that the upper spiral Between the helix angle of face and lower helicoid is 10 degree to 70 degree.

6. a kind of throttle valve by Fluid pressure regulation stall according to claim 1, it is characterised in that the helical teeth is fallen Enter the circumferential gap after upper gap and lower gap less than two millimeters.