CN208204042U - A kind of throttle valve with detachable filter screen - Google Patents

Abstract

The utility model discloses a kind of throttle valves with detachable filter screen, including throttle body, shell, filter screen, connector and fixed device, the inside of throttle pipe is connected with filter screen, filter screen is connected in the shackle member inside connector, the inside of shackle member is equipped with two groups and symmetrically fixes device, fixed device includes extrusion, stripper plate, limit plate, bolt, spring, fixing piece and card slot, the right end of extrusion is fixedly connected with stripper plate, stripper plate is slidably connected on the inner wall of limit plate, limit plate is equipped with symmetrical above and below two groups, bolt is screwed onto inside the horizontal component of extrusion, the left end of spring is fixedly connected on stripper plate.One, is equipped with filter screen, and the liquid for flowing through throttle valve can be filtered, and unnecessary operating process is reduced, time saving and energy saving；Two, are equipped with connector, shackle member and fixed device, and the installation of filter screen is simple, and disassembly, cleaning are convenient, reduce labor force, are suitble to promote.

Description

A kind of throttle valve with detachable filter screen

Technical field

The utility model relates to valve technology field, specially a kind of throttle valve with detachable filter screen.

Background technique

Throttle valve is by changing throttling section or chock length to control the valve of fluid flow.By throttle valve and unidirectionally Valve parallel connection is then combined into one-way throttle valve.Throttle valve and one-way throttle valve are easy flow control valves, in quantitative pump hydraulic pressure In system, throttle valve and overflow valve cooperation constitute three kinds of Metering Flow Control Circuits, i.e. in-line Metering Flow Control Circuits, oil return line Metering Flow Control Circuits and bypass throttling speed governing system.Throttle valve does not have flow negative-feedback function, cannot compensate and change institute by load Caused by speed it is unstable, be typically only used for load variation less or the occasion of less demanding to speed stability.

In the prior art, it is generally then sent in throttle valve, but do not have mostly in throttle valve first by oil by the processing such as filtering There is installation filter screen, so that filter operation is cumbersome, it is time-consuming and laborious, lack a kind of filtrable throttle valve, filter screen is installed in part Throttle valve, the general installation and removal of internal filter screen are complicated, increase labor force, are not suitable for promoting.

Utility model content

The purpose of this utility model is to provide a kind of throttle valves with detachable filter screen, to solve above-mentioned background skill The problem of being proposed in art.

To achieve the above object, the utility model provides the following technical solutions: a kind of throttling with detachable filter screen Valve, including throttle body, shell, filter screen, connector and fixed device, the outside of the throttle body is connected with shell The inside of body, the throttle body is equipped with two groups of throttle pipes, and the inside of the throttle pipe is connected with filter screen, the mistake The both ends of strainer are connected to inside connector, and the filter screen is connected in the shackle member inside connector, the shackle member Inside be equipped with two groups symmetrically fix devices, the fixed device include extrusion, stripper plate, limit plate, bolt, spring, Fixing piece and card slot, the right end of the extrusion is fixedly connected with stripper plate, and the stripper plate is slidably connected at limit plate On inner wall, the limit plate is equipped with symmetrical above and below two groups, and the bolt is screwed onto inside the horizontal component of extrusion, the bullet The left end of spring is fixedly connected on stripper plate, and the right end of the spring is fixedly connected on fixing piece.

Preferably, the extrusion is in T-shaped structure, and the horizontal component of extrusion is internally threaded hole, and squeezes Part is welded on the left surface of stripper plate.

Preferably, the limit plate is in rectangular plate-like structure, and limit plate is symmetrical above and below two groups, and the fixed company of limit plate It connects on two outer wall of the left and right of filter screen, the limit plate of upper end is equipped with through-hole.

Preferably, the fixing piece and card slot structure in the shape of a " convex ", and fixing piece is connected to the inside of card slot.

Compared with prior art, the utility model has the beneficial effects that

1. being equipped with filter screen, the liquid for flowing through throttle valve can be filtered, and reduce unnecessary operating process, be saved Shi Shengli；

2. being equipped with connector, shackle member and fixed device, the installation of filter screen is simple, and disassembly, cleaning are convenient, reduce Labor force is suitble to promote.

Detailed description of the invention

Fig. 1 is the utility model schematic cross-sectional view；

Fig. 2 is the utility model filter screen connection relationship diagram；

Fig. 3 is the utility model connector internal structure cross-sectional view；

Fig. 4 is that the utility model filter screen installs pre-structure schematic diagram；

Fig. 5 is the utility model filter screen mounted configuration schematic diagram；

Fig. 6 is the utility model fixture structure schematic diagram.

In figure: 1 throttle body, 2 shells, 3 throttle pipes, 4 filter screens, 5 connectors, 6 shackle members, 7 fixed devices, 71 are squeezed Casting die, 72 stripper plates, 73 limit plates, 74 bolts, 75 springs, 76 fixing pieces, 77 card slots.

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. 1-6 is please referred to, the utility model provides a kind of technical solution: a kind of throttle valve with detachable filter screen, Including throttle body 1, shell 2, filter screen 4, connector 5 and fixed device 7, the outside of throttle body 1 is connected with shell 2, the inside of throttle body 1 is equipped with two groups of throttle pipes 3, and the inside of throttle pipe 3 is connected with filter screen 4, and the two of filter screen 4 End is connected to inside connector 5, and filter screen 4 is connected in the shackle member 6 inside connector 5, and the inside of shackle member 6 is equipped with two The symmetrical fixed device 7 of group, fixed device 7 includes extrusion 71, stripper plate 72, limit plate 73, bolt 74, spring 75, fixed Part 76 and card slot 77, the right end of extrusion 71 is fixedly connected with stripper plate 72, and stripper plate 72 is slidably connected at limit plate 73 On inner wall, limit plate 73 is equipped with symmetrical above and below two groups, and bolt 74 is screwed onto inside the horizontal component of extrusion 71, spring 75 Left end is fixedly connected on stripper plate 72, and the right end of spring 75 is fixedly connected on fixing piece 76.

Further, limit plate 73 is in rectangular plate-like structure, and limit plate 73 is symmetrical above and below two groups, and limit plate 73 is solid Surely it is connected on two outer wall of left and right of filter screen 4, the limit plate 73 of upper end is equipped with through-hole；

Further, limit plate 73 is in rectangular plate-like structure, and limit plate 73 is symmetrical above and below two groups, and limit plate 73 is solid Surely it is connected on two outer wall of left and right of filter screen 4, the limit plate 73 of upper end is equipped with through-hole；

Further, fixing piece 76 and the structure in the shape of a " convex " of card slot 77, and fixing piece 76 is connected to the interior of card slot 77 Portion.

Filter screen 4: when installation filter screen 4, being first placed in the shackle member 6 inside connector 5 by working principle, then will Fixed device 7 lies in a horizontal plane in the left and right ends of filter screen 4, internally squeezes extrusion 71, and the extruding of extrusion 71 is slidably connected Stripper plate 72 on two groups of 73 inner walls of limit plate, while 72 compressed spring 75 of stripper plate drive fixing piece 76 to card slot 77 Direction is mobile, and is connected to the inside of card slot 77, bolt 74 is then passed through the through-hole inside upper end limit plate 73, and be screwed onto In threaded hole inside 71 horizontal component of extrusion, installation at this time is fixed to be completed, and installation is simple, in use, can be to flowing through Liquid is filtered, and reduces unnecessary operating process, time saving and energy saving, when needing disassembly, cleaning filter screen 4, will be first spirally connected Bolt 74 in threaded hole takes out, and then turns to extrusion 71 vertical with inceptive direction, and spring 75 resets after not stressing It stretches, then takes out fixing piece 76, and then filter screen 4 is dismantled, disassembly, cleaning are convenient, reduce labor force, are suitble to promote.

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 (4)

1. a kind of throttle valve with detachable filter screen, including throttle body (1), shell (2), filter screen (4), connector (5) and fixed device (7), it is characterised in that: the outside of the throttle body (1) is connected with shell (2), the throttle valve sheet The inside of body (1) is equipped with two groups of throttle pipes (3), and the inside of the throttle pipe (3) is connected with filter screen (4), the filtering The both ends of net (4) are connected to connector (5) inside, and the filter screen (4) is connected to the internal shackle member (6) of connector (5) On, the inside of the shackle member (6) is equipped with two groups and symmetrically fixes device (7), and the fixed device (7) includes extrusion (71), stripper plate (72), limit plate (73), bolt (74), spring (75), fixing piece (76) and card slot (77), the extruding The right end of part (71) is fixedly connected stripper plate (72), and the stripper plate (72) is slidably connected on the inner wall of limit plate (73), The limit plate (73) is equipped with symmetrical above and below two groups, and the bolt (74) is screwed onto inside the horizontal component of extrusion (71), The left end of the spring (75) is fixedly connected on stripper plate (72), and the right end of the spring (75) is fixedly connected on fixing piece (76) on.

2. a kind of throttle valve with detachable filter screen according to claim 1, it is characterised in that: the extrusion It (71) is in T-shaped structure, the horizontal component of extrusion (71) is internally threaded hole, and extrusion (71) is welded on stripper plate (72) left surface.

3. a kind of throttle valve with detachable filter screen according to claim 1, it is characterised in that: the limit plate It (73) is in rectangular plate-like structure, limit plate (73) is symmetrical above and below two groups, and limit plate (73) is fixedly connected on filter screen (4) Two outer wall of left and right on, the limit plate (73) of upper end is equipped with through-hole.

4. a kind of throttle valve with detachable filter screen according to claim 1, it is characterised in that: the fixing piece (76) with card slot (77) structure in the shape of a " convex ", and fixing piece (76) is connected to the inside of card slot (77).