CN208670204U - A kind of porous pressure valve - Google Patents

Abstract

The utility model discloses a kind of porous pressure valves, including valve body, top on the left of the valve body offers air inlet, the inner surface of the valve body is provided with pneumatic tube, breather plug is fixedly connected at the top of the pneumatic tube surface of internal cavity, the inner cavity of the breather plug is provided with gas shutoff bolt, threaded rod is fixedly connected at the top of the gas shutoff bolt, turning handle is fixedly connected at the top of the threaded rod, the screw top on the threaded rod surface is connected with threaded block, the bottom of the threaded block is fixedly connected with the valve body, the two sides of the body base offer gas outlet, the bottom of body cavity is fixedly connected with fixed block.The utility model is by being provided with being used cooperatively for the first movable block, motion bar, the second movable block, extension spring, bearing block, pull rod, pull handle, mobile bar and positioning pin, solves the problems, such as existing porous pressure valve poor filtration effect, the practicability for improving the equipment facilitates the cleaning to filter screen.

Description

A kind of porous pressure valve

Technical field

The utility model relates to air pressure valve technical field, specially a kind of porous pressure valve.

Background technique

Air pressure valve is to flow to gas and changing using gas pressure come the movement of control bound core, control method difference point Three kinds are controlled for pressurized control, release control and differential pressure, pressurized control refers to that added control signal pressure is gradually increasing, When the operating pressure of pressure control to spool, main valve just commutates, and release control refers to that added gas control signal pressure is to reduce , when being reduced to a certain pressure value, main valve commutation, differential pressure control is that main valve plug is made to commutate under the action of pressure at two ends difference, Existing porous pressure valve lacks corresponding filter structure, is not only easy to make the impurity blocking airflow channel in air, Er Qiekong Impurity in gas is easy inside invasion equipment, causes equipment inner body to damage, for this purpose, it is proposed that a kind of porous pressure valve.

Utility model content

The purpose of this utility model is to provide a kind of porous pressure valves, have the advantages of being conveniently replaceable filter screen, solve The problem of existing porous pressure valve poor filtration effect.

To achieve the above object, the utility model provides the following technical solutions: a kind of porous pressure valve, including valve body, institute It states the top on the left of valve body and offers air inlet, the inner surface of the valve body is provided with pneumatic tube, the pneumatic tube surface of internal cavity Top be fixedly connected with breather plug, the inner cavity of the breather plug is provided with gas shutoff bolt, is fixedly connected at the top of the gas shutoff bolt There is threaded rod, turning handle is fixedly connected at the top of the threaded rod, the screw top on the threaded rod surface is connected with threaded block, The bottom of the threaded block is fixedly connected with the valve body, and the two sides of the body base offer gas outlet, the body cavity Bottom be fixedly connected with fixed block, fixed link, the top on the fixed link surface are fixedly connected at the top of the fixed block It is arranged with air pressure bolt, the surface of the fixed link is simultaneously arranged with reset spring, the air pressure tube cavity positioned at the bottom of air pressure bolt It is provided with filter screen at the axis on surface, pneumatic tube and valve body are sequentially passed through on the right side of the filter screen and extends to the right side of valve body Side, is fixedly connected with cabinet on the right side of the filter screen, and the top and bottom of the cabinets cavity is provided with mobile bar, and two The opposite side of mobile bar is fixedly connected to the first movable block, and first movable block is flexibly connected far from the side of mobile bar There is motion bar, the motion bar is connected with the second movable block far from the side of the first movable block, second movable block Right side is fixedly connected with pull rod, and the right side of the pull rod runs through cabinet and extends to the right side of cabinet, and the right side of the pull rod is solid Surely it is connected with pull handle, bearing block is arranged on the right side of the pull rod surface, the left side of the bearing block is fixedly connected with cabinet, and two The opposite side of a mobile bar is fixedly connected to positioning pin, and side of the positioning pin far from mobile bar is through cabinet and extends To the outside of cabinet, two opposite sides of positioning pin are connected with fixture block, are fixedly connected with the valve body on the left of the fixture block.

Preferably, extension spring is arranged on the left of the pull rod surface.

Preferably, the two sides of the two sides at the top of the cabinets cavity and bottom offer sliding slot, the inner cavity of the sliding slot Sliding block is slidably connected, the sliding block is fixedly connected far from the side of sliding slot with mobile bar.

Preferably, the top and bottom of the cabinet offers the through-hole that cooperation positioning pin uses.

Preferably, limited block is fixedly connected at the top of the fixed link.

Compared with prior art, the beneficial effects of the utility model are as follows:

1, the utility model is by being provided with the first movable block, motion bar, the second movable block, extension spring, bearing block, drawing Bar, pull handle, mobile bar and positioning pin are used cooperatively, and are solved the problems, such as existing porous pressure valve poor filtration effect, are improved The practicability of the equipment, facilitates the cleaning to filter screen, is worthy to be popularized.

2, the utility model avoids what pull rod loosening can not work by being provided with extension spring, the work facilitated The phenomenon that phenomenon stabilizes the work of mobile bar by setting sliding slot and sliding block, shakes when avoiding mobile bar work, By setting through-hole, the work of positioning pin is facilitated, the phenomenon that positioning pin can not work is avoided, it is right by the way that limited block is arranged The moving range of air pressure bolt is defined, and avoids the phenomenon that air pressure bolt removes fixed link.

Detailed description of the invention

Fig. 1 is the utility model main view；

Fig. 2 is the utility model box inner structure schematic diagram；

Fig. 3 is the utility model gas shutoff bolt bottom view.

In figure: 1 valve body, 2 filter screens, 3 reset springs, 4 fixed links, 5 fixed blocks, 6 gas outlets, 7 cabinets, 8 fixture blocks, 9 lead to Vent plug, 10 gas shutoff bolts, 11 threaded rods, 12 turning handles, 13 threaded blocks, 14 air inlets, 15 air pressure bolts, 16 pneumatic tubes, 17 first activities Block, 18 motion bars, 19 second movable blocks, 20 sliding slots, 21 sliding blocks, 22 extension springs, 23 bearing blocks, 24 pull rods, 25 pull handles, 26 are moved Lever, 27 positioning pins.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-3, a kind of porous pressure valve, including valve body 1 are please referred to, the top in 1 left side of valve body offers air inlet 14, valve The inner surface of body 1 is provided with pneumatic tube 16, is fixedly connected with breather plug 9 at the top of 16 surface of internal cavity of pneumatic tube, breather plug 9 it is interior Chamber is provided with gas shutoff bolt 10, and the top of gas shutoff bolt 10 is fixedly connected with threaded rod 11, and the top of threaded rod 11, which is fixedly connected with, to be turned Handle 12, the screw top on 11 surface of threaded rod are connected with threaded block 13, and the bottom of threaded block 13 is fixedly connected with valve body 1, valve body 1 The two sides of bottom offer gas outlet 6, and the bottom of 1 inner cavity of valve body is fixedly connected with fixed block 5, and the top of fixed block 5 is fixed It is connected with fixed link 4, the top of fixed link 4 is fixedly connected with limited block, by the way that limited block is arranged, to the mobile model of air pressure bolt 15 It encloses and is defined, avoid the phenomenon that air pressure bolt 15 removes fixed link 4, fixed link is arranged with air pressure bolt 15 at the top of 4 surface, The surface of fixed link 4 and the bottom for being located at air pressure bolt 15 are arranged with reset spring 3, are arranged at the axis of 16 surface of internal cavity of pneumatic tube There is filter screen 2, the right side of filter screen 2 sequentially passes through pneumatic tube 16 and valve body 1 and extends to the right side of valve body 1, the right side of filter screen 2 Side is fixedly connected with cabinet 7, and the top and bottom of 7 inner cavity of cabinet is provided with mobile bar 26, the two sides of 7 inner cavity top of cabinet with The two sides of bottom offer sliding slot 20, and the inner cavity of sliding slot 20 slidably connects sliding block 21, side of the sliding block 21 far from sliding slot 20 It is fixedly connected with mobile bar 26, by setting sliding slot 20 and sliding block 21, stabilizes the work of mobile bar 26, avoid mobile bar 26 The phenomenon that shaking when work, two opposite sides of mobile bar 26 are fixedly connected to the first movable block 17, the first activity Block 17 is connected with motion bar 18 far from the side of mobile bar 26, and motion bar 18 connects far from the side activity of the first movable block 17 It is connected to the second movable block 19, the right side of the second movable block 19 is fixedly connected with pull rod 24, and pull rod is arranged with drawing on the left of 24 surface Spring 22 is stretched, by being provided with extension spring 22, the work facilitated avoids the phenomenon that loosening of pull rod 24 can not work, draws The right side of bar 24 runs through cabinet 7 and extends to the right side of cabinet 7, and the right side of pull rod 24 is fixedly connected with pull handle 25,24 table of pull rod Bearing block 23 is arranged on the right side of face, the left side of bearing block 23 is fixedly connected with cabinet 7, and two opposite sides of mobile bar 26 are equal It is fixedly connected with positioning pin 27, the top and bottom of cabinet 7 offers the through-hole that cooperation positioning pin 27 uses, logical by being arranged Hole facilitates the work of positioning pin 27, avoids the phenomenon that positioning pin 27 can not work, positioning pin 27 far from mobile bar 26 one Side runs through cabinet 7 and extends to the outside of cabinet 7, and the opposite side of two positioning pins 27 is connected with fixture block 8, a left side for fixture block 8 Side is fixedly connected with valve body 1.

In use, driving pull rod 24 to be moved by pull handle 25, pull rod 24 drives the second movable block 19 to be moved, the Two movable blocks 19 drive motion bar 18 to be moved, and motion bar 18 drives the first movable block 17 to be moved, the first movable block 17 Mobile bar 26 is driven to be moved, mobile bar 26 drives positioning pin 27 to be moved, and when positioning pin 27 removes fixture block 8, i.e., will Filter screen 2 can remove cleaning.

In summary: the porous pressure valve, by being provided with the first movable block 17, motion bar 18, the second movable block 19, drawing The cooperation for stretching spring 22, bearing block 23, pull rod 24, pull handle 25, mobile bar 26 and positioning pin 27 solves existing porous air pressure The problem of valve poor filtration effect.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of porous pressure valve, including valve body (1), it is characterised in that: the top on the left of the valve body (1) offers air inlet (14), the inner surface of the valve body (1) is provided with pneumatic tube (16), is fixedly connected at the top of pneumatic tube (16) surface of internal cavity Have breather plug (9), the inner cavity of the breather plug (9) is provided with gas shutoff bolt (10), is fixedly connected at the top of the gas shutoff bolt (10) Have threaded rod (11), is fixedly connected with turning handle (12) at the top of the threaded rod (11), the top on threaded rod (11) surface It is threaded with threaded block (13), the bottom of the threaded block (13) is fixedly connected with valve body (1), valve body (1) bottom Two sides offer gas outlet (6), and the bottom of valve body (1) inner cavity is fixedly connected with fixed block (5), the fixed block (5) Top be fixedly connected with fixed link (4), be arranged with air pressure bolt (15), the fixed link at the top of fixed link (4) surface (4) the surface and bottom for being located at air pressure bolt (15) is arranged with reset spring (3), the axis of pneumatic tube (16) surface of internal cavity Place is provided with filter screen (2), and pneumatic tube (16) and valve body (1) are sequentially passed through on the right side of the filter screen (2) and extend to valve body (1) right side is fixedly connected with cabinet (7) on the right side of the filter screen (2), and the top and bottom of cabinet (7) inner cavity is equal It being provided with mobile bar (26), two opposite sides of mobile bar (26) are fixedly connected to the first movable block (17), and described first Movable block (17) is connected with motion bar (18) far from the side of mobile bar (26), and the motion bar (18) is far from the first activity The side of block (17) is connected with the second movable block (19), is fixedly connected with pull rod on the right side of second movable block (19) (24), the right side of the pull rod (24) runs through cabinet (7) and extends to the right side of cabinet (7), and the right side of the pull rod (24) is solid Surely it is connected with pull handle (25), is arranged with bearing block (23) on the right side of pull rod (24) surface, the left side of the bearing block (23) It is fixedly connected with cabinet (7), two opposite sides of mobile bar (26) are fixedly connected to positioning pin (27), the positioning pin (27) side far from mobile bar (26) through cabinet (7) and extends to the outsides of cabinet (7), and two positioning pins (27) are opposite Side is connected with fixture block (8), and the left side of the fixture block (8) is fixedly connected with valve body (1).

2. a kind of porous pressure valve according to claim 1, it is characterised in that: be arranged on the left of pull rod (24) surface There are extension spring (22).

3. a kind of porous pressure valve according to claim 1, it is characterised in that: the two sides of cabinet (7) inner cavity top It is offered sliding slot (20) with the two sides of bottom, the inner cavity of the sliding slot (20) slidably connects sliding block (21), the sliding block (21) side far from sliding slot (20) is fixedly connected with mobile bar (26).

4. a kind of porous pressure valve according to claim 1, it is characterised in that: the top and bottom of the cabinet (7) is equal Offer the through-hole that cooperation positioning pin (27) uses.

5. a kind of porous pressure valve according to claim 1, it is characterised in that: the top of the fixed link (4) is fixed to be connected It is connected to limited block.