Summary of the invention
Goal of the invention of the present invention is to solve the too single problem of valve transfer passage, a kind of multiple tracks valve is provided, this multiple tracks valve is managed by the corresponding tributary of a main flow pipe, and valve can carry out the control of various ways to the fluid on-off in the pipe of tributary, simultaneously, the valve rod of this multiple tracks valve can locking, increases artificial operability and the stability of valve.
In order to realize foregoing invention object, present invention employs following technological scheme:
Multiple tracks valve, comprise valve casing, main flow pipe and tributary pipe, valve gap internal fixtion has seal ring and fixed block, is also provided with rotating valve rod in described valve casing, and described valve rod wears seal ring and fixed block; Each tributary pipe sidewall described is all connected with the looped pipeline be connected with main flow pipe, is provided with the spool reciprocatingly slided in the pipe of tributary, and described spool is provided with and moves with spool the valve opening controlling looped pipeline break-make, is also provided with the elastic component for valve core reset in the pipe of described tributary; Described stem bottom is provided with and controls the eccentric structure of tributary pipe inner spool movement, and described eccentric structure comprises columned central block and the eccentric mass of outwardly convex on central block sidewall, and described spool is pressed on central block or eccentric mass by elastic component to the inside; The joint of described eccentric mass and central block is slow changeover portion, and the quantity of eccentric mass is less than spool quantity; Valve rod is provided with mounting hole, is arranged with the locking seat for locking valve rod outside the valve rod above valve casing; Locking seat comprises and is fixed on sleeve on valve casing and unlock button, and sleeve lining is provided with lockhole, and unlock button correspondence is arranged on the sleeve outside lockhole; Be provided with the first spring and locking bar in described mounting hole, the first spring fitting is passed through in mounting hole in locking bar the inner; During locking, locking bar outer end stretches into lockhole and elasticity is pressed on unlock button the inner; During unblock, interior pressure unlock button when driving locking bar outer end inwardly to leave lockhole.
Further, described valve rod prolongs valve gap and can move up and down, stem bottom is also provided with system opening structure and system closes structure, described system opening structure, system close structure and to be connected with eccentric structure and connection part is equipped with slow changeover portion, described spool closes structure or eccentric structure with the mobile system opening structure of conflicting of valve rod, system, and described system opening structure and system close structure all in cylindric and to arrange with one heart.
Further, described spool also includes top, and described top is positioned at inside spool, and the surface that top presses on system opening structure, system closes structure or eccentric structure, described top is also provided with the chamfering or fillet that match with slow changeover portion.
Further, described elastic component is spring, and the opening inwall of tributary pipe is provided with the baffle ring for placing spring, described spring one end conflict baffle ring, spring the other end conflict spool.
Further, described baffle ring is also provided with the barrel of the annular preventing spring from deviating from, described barrel extends inside the pipe of tributary.
Further, described tributary pipe, main flow pipe and valve casing are integrated formed structure.
Further, it is three right that unlock button and corresponding lockhole quantity have at least, and it is in the radial direction different that often pair of unlock button and corresponding lockhole are regularly distributed on sleeve.
Compared with prior art, have employed the multiple tracks valve of technique scheme, there is following beneficial effect:
Wherein, tributary pipe is connected with main flow pipe by looped pipeline, and valve opening together moves the keying for the tributary pipe controlled with spool, and when valve opening aims at looped pipeline opening, tributary pipe is connected with main flow pipe, and the fluid in main flow pipe gets final product in influent pipe.
Adopt multiple tracks valve of the present invention, pass through rotation valve rod, the eccentric mass on eccentric structure can be driven to rotate, spool can be carried out compression laterally by eccentric mass, spool is opened, fluid is finally flowed out through looped pipeline, valve opening by main flow pipe in the pipe of tributary, and the rotation of eccentric mass can be used for the keying controlling tributary pipe.
No matter valve rod rotates or moves up and down, in order to allow valve rod can be more stable, the present invention adds lockable mechanism on valve rod, valve rod of the present invention can be made to be stably fixed by locking bar and the sealed of positioning hole, prevent valve rod in use movable with hydraulic pressure, good stability and manual operation is very convenient.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described further.
A kind of multiple tracks valve as shown in Fig. 1 to 10, comprise integrated 1 main flow pipe 10,6 tributary pipes 11 and 1 valve casing, structural strength and the sealing of one-body molded rear three can be strengthened greatly, seal ring 6, fixed block 7 and valve rod 3 is provided with in valve casing, valve rod 3 wears seal ring 6 and fixed block 7, valve rod 3 can rotate and move up and down, seal ring 6 is for increasing the seal between valve casing and valve rod 3, liquid is avoided to flow out from the gap between valve rod 3 and valve body, fixed block 7, for the installation of valve rod 3, avoids valve rod 3 shake or come off.
The bottom of tributary pipe 11 is also provided with looped pipeline 110, and the sidewall of tributary pipe 11 is connected with main flow pipe 10 by looped pipeline 110.Spool 2 is provided with in tributary pipe 11, with valve opening 22 on spool 2, spool 2 can by the eccentric structure 32 bottom valve rod 3, system close structure 31 and system opening structure 33 compress, and move back and forth, spool 2 outer end is provided with spring 5, spring 5 is conflicted the opening of tributary pipe 11 and spool 2, for spool 2 provides an inside pressure, forces spool 2 inwardly to extrude.
In the movable process of spool 2, when the valve opening 22 of spool 2 is connected with looped pipeline 110, now spool 2 is pushed outwardly, and the fluid of main flow pipe 10 can flow through looped pipeline 110, spool 2 enters in tributary pipe 11.
The bottom of valve rod 3 is provided with eccentric structure 32, system closes structure 31 and system opening structure 33, do not limit in position relationship the present embodiment of three, according to permutation and combination, eccentric structure 32, system close structure 31 and system opening structure 33 can have 6 kinds of arranging methods, do not enumerate in the present embodiment, only get a kind of as the present embodiment: be arranged in sequence with system from top to bottom and close structure 31, eccentric structure 32 and system opening structure 33.The top of valve rod 3 is handle 4, and user can be rotated by handle 4 pairs of valve rods 3 or tension and compression up and down.
Eccentric structure 32, system close between structure 31 and system opening structure 33 three and are provided with slowly excessively section, and slowly excessively section is the smooth curved surface such as fillet or chamfering.Central block on eccentric structure 32 and be also provided with same slowly excessive section between eccentric mass, prevent eccentric structure 32 turn over spool 2 in journey be stuck and the eccentric structure 32 that cannot stretch, system close between structure 31 and system opening structure 33 slowly excessively section be also prevent from blocking.
The inner side of spool 2 has top 21, top 21 with valve rod 3 eccentric structure 32, system closes structure 31 or system opening structure 33 is inconsistent, top 21 is provided with chamfering or fillet, for bottom same valve rod 3 slowly excessively section match, realize the movable of spool 2.
As shown in Figure 9, the opening of tributary pipe 11 is provided with baffle ring 111, baffle ring 111 is also provided with the barrel 112 of the annular preventing spring 5 from deviating from, and barrel 112 extends inside tributary pipe 11.The effect of baffle ring 111 strengthens fixing of spring 5, and the effect of barrel 112 is that spring 5 is fixed on tributary pipe 11 inwall, increases its fixed effect.
The tension and compression up and down of valve rod 3 for adjusting the conflict position with spool 2 bottom valve rod 3, thus control the open/close states of spool 2:
User can rotate or pull valve rod 3 in use, in order to allow user pin valve rod 3 well or to unlock valve rod 3, more convenient to use stable.The present invention is provided with mounting hole 35 on valve rod 3, is arranged with the locking seat 8 for locking valve rod 3 outside the valve rod 3 above valve casing.Locking seat 8 comprises and is fixed on sleeve 81 on valve casing and unlock button 80, and sleeve 81 inwall is provided with lockhole 82, and unlock button 80 correspondence is arranged on the sleeve 81 outside lockhole 82.Be provided with the first spring 37 and locking bar 36 in mounting hole 35, locking bar 36 the inner is arranged in mounting hole 35 by the first spring 37.During locking, locking bar 36 outer end stretches into lockhole 82 and elasticity is pressed on unlock button 80 the inner; During unblock, interior pressure unlock button 80 when driving locking bar 36 outer end inwardly to leave lockhole 82.Lockhole 82 extends and through sleeve 81, unlock button 80 is arranged on lockhole 82 lateral part, lockhole 82 lateral part inwall is provided with the limited step 821 radially-inwardly protruded, and unlock button 80 the inner is provided with corresponding limited step 802, coordinate with the limited step 821 of described lockhole 82 lateral part, prevent unlock button 80 from deviating from.Unlock button 80 lateral part is provided with and unlocks step 801, press lower unlock button 80 to unblock step 801 be close to sleeve 81 time, just make unlock button 80 interior edge face and sleeve 81 inner side surface flush, unlock button 80 does not stretch into mounting hole 35, lockhole 82 is not stretched into just in locking bar 36 outer end yet, realizes unlocking.
In order to control the position of valve rod 3 radial rotating better, it is three right that unlock button 80 and corresponding lockhole 82 quantity have at least, and it is in the radial direction different that often pair of unlock button 80 and corresponding lockhole 82 are regularly distributed on sleeve 81.Certainly, unlock button 80 and corresponding lockhole 82 axially equidistantly can also be uniformly distributed multiple at sleeve 81.
Full-shut position:
As shown in Figures 3 and 4, when pressing pressure handle hand 4 downwards, handle 4 valve casing top of conflicting cannot be continued to pressing down, after valve rod 3 presses down, the conflict system of valve rod 3 of spool 2 closes structure 31, it is a cylindrical section that system closes structure 31, is a part for valve rod 3, because spool 2 lacks inner outside extruding, the inner side of tributary pipe 11 is pressed at the effect lower valve core 2 of spring 5, now valve opening 22 and looped pipeline 110 be communicated with disconnection, all close in 6 all tributary pipes 11, as shown in FIG. 10 and 11, when lifting locking handle 80, valve rod 3 locking, when pressing down locking handle 80, unlocks.In order to ensure that positioning hole 35 is stretched in locking rod 84 the inner better, the effect of the second spring 82 is necessary, otherwise above valve rod 3, must draft rotation scale in advance and the scale that stretches up and down.As long as the existence of the second spring 82 allows, valve rod 3 is slightly mobile nearby just can be automatically found positioning hole 35, and allows locking rod 84 the inner stretch into positioning hole 35.
Full-gear:
As illustrated in Figures 5 and 6, when upwards pull handle 4 to ultimate range, move up equally bottom valve rod 3, the position that now spool 2 is conflicted is system opening structure 33, system opening structure 33 is the concentric cylindrical section of same valve rod 3, but the diameter of system opening structure 33 is greater than the diameter that valve rod 3 system closes structure 31, therefore now all spools 2 are outwards extruded by system opening structure 33, spring 5 compresses, and valve opening 22 just also aims at looped pipeline 110, fluid now in main flow pipe 10 flows through looped pipeline 110 and valve opening 22 flows out in tributary pipe 11, all water flowings in 6 tributary pipes 11.
Half-open position:
As illustrated in fig. 1 and 2, when the position of handle 4 is between full-shut position and half-open position, the position that tributary pipe 11 inner spool 2 is conflicted is eccentric structure 32, eccentric structure 32 comprises central block and eccentric mass, central block is for closing the identical cylindrical section of structure 31 valve rod 3 with system, and eccentric mass is positioned at the side of central block.
Eccentric mass is greater than central block to the distance at valve rod 3 center, and eccentric mass can extrude spool 2.Therefore, when spool 2 conflicts eccentric mass, spool 2 is in open mode, and the spool 2 of central block sidewall of conflicting then is in closed condition.
The rotation of eccentric mass, may be used for controlling different tributary pipes 11 and opens and closes, as shown in Figure 2, eccentric structure 32 upward arrow towards spool 2 be in opening state, spool 2 in other tributary pipes 11 is in closed condition, rotation valve rod 3, can control other tributary pipe 11 break-make.
The quantity of eccentric mass determines, the unlatching quantity of spool 2 during half-open position, and when eccentric mass quantity is 5, then the tributary pipe 11 simultaneously opened has 5, only has 1 tributary pipe 11 to be in closed condition; When eccentric mass quantity is 4, then the tributary pipe 11 simultaneously opened has 4, only has 2 tributary pipes 11 to be in closed condition, by that analogy.Eccentric mass quantity in the present embodiment gets 1.
The above makes the preferred embodiment of the present invention, and under not departing from the prerequisite of the principle of the invention for the person of ordinary skill of the art, can also make some modification and improvement, these also should be considered as protection scope of the present invention.